diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2024-01-02 22:03:04 +0300 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2024-01-02 22:03:04 +0300 |
| commit | 11c83932028714014e4259072bd230473d6db730 (patch) | |
| tree | ba5de3af7a65a6a60ebb1f0a36328fd853130ecd /drivers | |
| parent | 58f1e9d3a30438042fc9ed65b3dc56b2e5f7886a (diff) | |
| parent | 185c1a489f873cb71520fc089401e02dbf302dcd (diff) | |
| download | linux-11c83932028714014e4259072bd230473d6db730.tar.xz | |
Merge branch 'for-6.8/cxl-cdat' into for-6.8/cxl
Pick up the CDAT parsing and QOS class infrastructure for v6.8.
Diffstat (limited to 'drivers')
289 files changed, 4582 insertions, 1654 deletions
diff --git a/drivers/accel/ivpu/ivpu_hw_37xx.c b/drivers/accel/ivpu/ivpu_hw_37xx.c index 4ccf1994b97a..d530384f8d60 100644 --- a/drivers/accel/ivpu/ivpu_hw_37xx.c +++ b/drivers/accel/ivpu/ivpu_hw_37xx.c @@ -53,10 +53,12 @@ #define ICB_0_1_IRQ_MASK ((((u64)ICB_1_IRQ_MASK) << 32) | ICB_0_IRQ_MASK) -#define BUTTRESS_IRQ_MASK ((REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE)) | \ - (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \ +#define BUTTRESS_IRQ_MASK ((REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, ATS_ERR)) | \ (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, UFI_ERR))) +#define BUTTRESS_ALL_IRQ_MASK (BUTTRESS_IRQ_MASK | \ + (REG_FLD(VPU_37XX_BUTTRESS_INTERRUPT_STAT, FREQ_CHANGE))) + #define BUTTRESS_IRQ_ENABLE_MASK ((u32)~BUTTRESS_IRQ_MASK) #define BUTTRESS_IRQ_DISABLE_MASK ((u32)-1) @@ -74,8 +76,12 @@ static void ivpu_hw_wa_init(struct ivpu_device *vdev) vdev->wa.clear_runtime_mem = false; vdev->wa.d3hot_after_power_off = true; - if (ivpu_device_id(vdev) == PCI_DEVICE_ID_MTL && ivpu_revision(vdev) < 4) + REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, BUTTRESS_ALL_IRQ_MASK); + if (REGB_RD32(VPU_37XX_BUTTRESS_INTERRUPT_STAT) == BUTTRESS_ALL_IRQ_MASK) { + /* Writing 1s does not clear the interrupt status register */ vdev->wa.interrupt_clear_with_0 = true; + REGB_WR32(VPU_37XX_BUTTRESS_INTERRUPT_STAT, 0x0); + } IVPU_PRINT_WA(punit_disabled); IVPU_PRINT_WA(clear_runtime_mem); diff --git a/drivers/acpi/numa/hmat.c b/drivers/acpi/numa/hmat.c index 9ef5f1bdcfdb..d6b85f0f6082 100644 --- a/drivers/acpi/numa/hmat.c +++ b/drivers/acpi/numa/hmat.c @@ -58,14 +58,22 @@ struct target_cache { struct node_cache_attrs cache_attrs; }; +enum { + NODE_ACCESS_CLASS_0 = 0, + NODE_ACCESS_CLASS_1, + NODE_ACCESS_CLASS_GENPORT_SINK, + NODE_ACCESS_CLASS_MAX, +}; + struct memory_target { struct list_head node; unsigned int memory_pxm; unsigned int processor_pxm; struct resource memregions; - struct node_hmem_attrs hmem_attrs[2]; + struct access_coordinate coord[NODE_ACCESS_CLASS_MAX]; struct list_head caches; struct node_cache_attrs cache_attrs; + u8 gen_port_device_handle[ACPI_SRAT_DEVICE_HANDLE_SIZE]; bool registered; }; @@ -100,6 +108,47 @@ static struct memory_target *find_mem_target(unsigned int mem_pxm) return NULL; } +static struct memory_target *acpi_find_genport_target(u32 uid) +{ + struct memory_target *target; + u32 target_uid; + u8 *uid_ptr; + + list_for_each_entry(target, &targets, node) { + uid_ptr = target->gen_port_device_handle + 8; + target_uid = *(u32 *)uid_ptr; + if (uid == target_uid) + return target; + } + + return NULL; +} + +/** + * acpi_get_genport_coordinates - Retrieve the access coordinates for a generic port + * @uid: ACPI unique id + * @coord: The access coordinates written back out for the generic port + * + * Return: 0 on success. Errno on failure. + * + * Only supports device handles that are ACPI. Assume ACPI0016 HID for CXL. + */ +int acpi_get_genport_coordinates(u32 uid, + struct access_coordinate *coord) +{ + struct memory_target *target; + + guard(mutex)(&target_lock); + target = acpi_find_genport_target(uid); + if (!target) + return -ENOENT; + + *coord = target->coord[NODE_ACCESS_CLASS_GENPORT_SINK]; + + return 0; +} +EXPORT_SYMBOL_NS_GPL(acpi_get_genport_coordinates, CXL); + static __init void alloc_memory_initiator(unsigned int cpu_pxm) { struct memory_initiator *initiator; @@ -120,8 +169,7 @@ static __init void alloc_memory_initiator(unsigned int cpu_pxm) list_add_tail(&initiator->node, &initiators); } -static __init void alloc_memory_target(unsigned int mem_pxm, - resource_size_t start, resource_size_t len) +static __init struct memory_target *alloc_target(unsigned int mem_pxm) { struct memory_target *target; @@ -129,7 +177,7 @@ static __init void alloc_memory_target(unsigned int mem_pxm, if (!target) { target = kzalloc(sizeof(*target), GFP_KERNEL); if (!target) - return; + return NULL; target->memory_pxm = mem_pxm; target->processor_pxm = PXM_INVAL; target->memregions = (struct resource) { @@ -142,6 +190,19 @@ static __init void alloc_memory_target(unsigned int mem_pxm, INIT_LIST_HEAD(&target->caches); } + return target; +} + +static __init void alloc_memory_target(unsigned int mem_pxm, + resource_size_t start, + resource_size_t len) +{ + struct memory_target *target; + + target = alloc_target(mem_pxm); + if (!target) + return; + /* * There are potentially multiple ranges per PXM, so record each * in the per-target memregions resource tree. @@ -152,6 +213,18 @@ static __init void alloc_memory_target(unsigned int mem_pxm, start, start + len, mem_pxm); } +static __init void alloc_genport_target(unsigned int mem_pxm, u8 *handle) +{ + struct memory_target *target; + + target = alloc_target(mem_pxm); + if (!target) + return; + + memcpy(target->gen_port_device_handle, handle, + ACPI_SRAT_DEVICE_HANDLE_SIZE); +} + static __init const char *hmat_data_type(u8 type) { switch (type) { @@ -228,24 +301,24 @@ static void hmat_update_target_access(struct memory_target *target, { switch (type) { case ACPI_HMAT_ACCESS_LATENCY: - target->hmem_attrs[access].read_latency = value; - target->hmem_attrs[access].write_latency = value; + target->coord[access].read_latency = value; + target->coord[access].write_latency = value; break; case ACPI_HMAT_READ_LATENCY: - target->hmem_attrs[access].read_latency = value; + target->coord[access].read_latency = value; break; case ACPI_HMAT_WRITE_LATENCY: - target->hmem_attrs[access].write_latency = value; + target->coord[access].write_latency = value; break; case ACPI_HMAT_ACCESS_BANDWIDTH: - target->hmem_attrs[access].read_bandwidth = value; - target->hmem_attrs[access].write_bandwidth = value; + target->coord[access].read_bandwidth = value; + target->coord[access].write_bandwidth = value; break; case ACPI_HMAT_READ_BANDWIDTH: - target->hmem_attrs[access].read_bandwidth = value; + target->coord[access].read_bandwidth = value; break; case ACPI_HMAT_WRITE_BANDWIDTH: - target->hmem_attrs[access].write_bandwidth = value; + target->coord[access].write_bandwidth = value; break; default: break; @@ -291,11 +364,28 @@ static __init void hmat_add_locality(struct acpi_hmat_locality *hmat_loc) } } +static __init void hmat_update_target(unsigned int tgt_pxm, unsigned int init_pxm, + u8 mem_hier, u8 type, u32 value) +{ + struct memory_target *target = find_mem_target(tgt_pxm); + + if (mem_hier != ACPI_HMAT_MEMORY) + return; + + if (target && target->processor_pxm == init_pxm) { + hmat_update_target_access(target, type, value, + NODE_ACCESS_CLASS_0); + /* If the node has a CPU, update access 1 */ + if (node_state(pxm_to_node(init_pxm), N_CPU)) + hmat_update_target_access(target, type, value, + NODE_ACCESS_CLASS_1); + } +} + static __init int hmat_parse_locality(union acpi_subtable_headers *header, const unsigned long end) { struct acpi_hmat_locality *hmat_loc = (void *)header; - struct memory_target *target; unsigned int init, targ, total_size, ipds, tpds; u32 *inits, *targs, value; u16 *entries; @@ -336,15 +426,8 @@ static __init int hmat_parse_locality(union acpi_subtable_headers *header, inits[init], targs[targ], value, hmat_data_type_suffix(type)); - if (mem_hier == ACPI_HMAT_MEMORY) { - target = find_mem_target(targs[targ]); - if (target && target->processor_pxm == inits[init]) { - hmat_update_target_access(target, type, value, 0); - /* If the node has a CPU, update access 1 */ - if (node_state(pxm_to_node(inits[init]), N_CPU)) - hmat_update_target_access(target, type, value, 1); - } - } + hmat_update_target(targs[targ], inits[init], + mem_hier, type, value); } } @@ -491,6 +574,27 @@ static __init int srat_parse_mem_affinity(union acpi_subtable_headers *header, return 0; } +static __init int srat_parse_genport_affinity(union acpi_subtable_headers *header, + const unsigned long end) +{ + struct acpi_srat_generic_affinity *ga = (void *)header; + + if (!ga) + return -EINVAL; + + if (!(ga->flags & ACPI_SRAT_GENERIC_AFFINITY_ENABLED)) + return 0; + + /* Skip PCI device_handle for now */ + if (ga->device_handle_type != 0) + return 0; + + alloc_genport_target(ga->proximity_domain, + (u8 *)ga->device_handle); + + return 0; +} + static u32 hmat_initiator_perf(struct memory_target *target, struct memory_initiator *initiator, struct acpi_hmat_locality *hmat_loc) @@ -592,6 +696,11 @@ static void hmat_update_target_attrs(struct memory_target *target, u32 best = 0; int i; + /* Don't update for generic port if there's no device handle */ + if (access == NODE_ACCESS_CLASS_GENPORT_SINK && + !(*(u16 *)target->gen_port_device_handle)) + return; + bitmap_zero(p_nodes, MAX_NUMNODES); /* * If the Address Range Structure provides a local processor pxm, set @@ -661,6 +770,14 @@ static void __hmat_register_target_initiators(struct memory_target *target, } } +static void hmat_register_generic_target_initiators(struct memory_target *target) +{ + static DECLARE_BITMAP(p_nodes, MAX_NUMNODES); + + __hmat_register_target_initiators(target, p_nodes, + NODE_ACCESS_CLASS_GENPORT_SINK); +} + static void hmat_register_target_initiators(struct memory_target *target) { static DECLARE_BITMAP(p_nodes, MAX_NUMNODES); @@ -681,7 +798,7 @@ static void hmat_register_target_cache(struct memory_target *target) static void hmat_register_target_perf(struct memory_target *target, int access) { unsigned mem_nid = pxm_to_node(target->memory_pxm); - node_set_perf_attrs(mem_nid, &target->hmem_attrs[access], access); + node_set_perf_attrs(mem_nid, &target->coord[access], access); } static void hmat_register_target_devices(struct memory_target *target) @@ -713,6 +830,17 @@ static void hmat_register_target(struct memory_target *target) hmat_register_target_devices(target); /* + * Register generic port perf numbers. The nid may not be + * initialized and is still NUMA_NO_NODE. + */ + mutex_lock(&target_lock); + if (*(u16 *)target->gen_port_device_handle) { + hmat_register_generic_target_initiators(target); + target->registered = true; + } + mutex_unlock(&target_lock); + + /* * Skip offline nodes. This can happen when memory * marked EFI_MEMORY_SP, "specific purpose", is applied * to all the memory in a proximity domain leading to @@ -726,8 +854,8 @@ static void hmat_register_target(struct memory_target *target) if (!target->registered) { hmat_register_target_initiators(target); hmat_register_target_cache(target); - hmat_register_target_perf(target, 0); - hmat_register_target_perf(target, 1); + hmat_register_target_perf(target, NODE_ACCESS_CLASS_0); + hmat_register_target_perf(target, NODE_ACCESS_CLASS_1); target->registered = true; } mutex_unlock(&target_lock); @@ -765,7 +893,7 @@ static int hmat_set_default_dram_perf(void) int rc; int nid, pxm; struct memory_target *target; - struct node_hmem_attrs *attrs; + struct access_coordinate *attrs; if (!default_dram_type) return -EIO; @@ -775,7 +903,7 @@ static int hmat_set_default_dram_perf(void) target = find_mem_target(pxm); if (!target) continue; - attrs = &target->hmem_attrs[1]; + attrs = &target->coord[1]; rc = mt_set_default_dram_perf(nid, attrs, "ACPI HMAT"); if (rc) return rc; @@ -789,7 +917,7 @@ static int hmat_calculate_adistance(struct notifier_block *self, { static DECLARE_BITMAP(p_nodes, MAX_NUMNODES); struct memory_target *target; - struct node_hmem_attrs *perf; + struct access_coordinate *perf; int *adist = data; int pxm; @@ -802,7 +930,7 @@ static int hmat_calculate_adistance(struct notifier_block *self, hmat_update_target_attrs(target, p_nodes, 1); mutex_unlock(&target_lock); - perf = &target->hmem_attrs[1]; + perf = &target->coord[1]; if (mt_perf_to_adistance(perf, adist)) return NOTIFY_OK; @@ -870,6 +998,13 @@ static __init int hmat_init(void) ACPI_SRAT_TYPE_MEMORY_AFFINITY, srat_parse_mem_affinity, 0) < 0) goto out_put; + + if (acpi_table_parse_entries(ACPI_SIG_SRAT, + sizeof(struct acpi_table_srat), + ACPI_SRAT_TYPE_GENERIC_PORT_AFFINITY, + srat_parse_genport_affinity, 0) < 0) + goto out_put; + acpi_put_table(tbl); status = acpi_get_table(ACPI_SIG_HMAT, 0, &tbl); diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index c1516337f668..b07f7d091d13 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -251,8 +251,9 @@ int __init_or_acpilib acpi_table_parse_entries_array( return -ENODEV; } - count = acpi_parse_entries_array(id, table_size, table_header, - proc, proc_num, max_entries); + count = acpi_parse_entries_array(id, table_size, + (union fw_table_header *)table_header, + proc, proc_num, max_entries); acpi_put_table(table_header); return count; diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 28c75242fca9..62944e35fcee 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -399,13 +399,13 @@ acpi_evaluate_reference(acpi_handle handle, acpi_handle_debug(list->handles[i], "Found in reference list\n"); } -end: if (ACPI_FAILURE(status)) { list->count = 0; kfree(list->handles); list->handles = NULL; } +end: kfree(buffer.pointer); return status; diff --git a/drivers/atm/solos-pci.c b/drivers/atm/solos-pci.c index 94fbc3abe60e..d3c30a28c410 100644 --- a/drivers/atm/solos-pci.c +++ b/drivers/atm/solos-pci.c @@ -449,9 +449,9 @@ static ssize_t console_show(struct device *dev, struct device_attribute *attr, struct sk_buff *skb; unsigned int len; - spin_lock(&card->cli_queue_lock); + spin_lock_bh(&card->cli_queue_lock); skb = skb_dequeue(&card->cli_queue[SOLOS_CHAN(atmdev)]); - spin_unlock(&card->cli_queue_lock); + spin_unlock_bh(&card->cli_queue_lock); if(skb == NULL) return sprintf(buf, "No data.\n"); @@ -956,14 +956,14 @@ static void pclose(struct atm_vcc *vcc) struct pkt_hdr *header; /* Remove any yet-to-be-transmitted packets from the pending queue */ - spin_lock(&card->tx_queue_lock); + spin_lock_bh(&card->tx_queue_lock); skb_queue_walk_safe(&card->tx_queue[port], skb, tmpskb) { if (SKB_CB(skb)->vcc == vcc) { skb_unlink(skb, &card->tx_queue[port]); solos_pop(vcc, skb); } } - spin_unlock(&card->tx_queue_lock); + spin_unlock_bh(&card->tx_queue_lock); skb = alloc_skb(sizeof(*header), GFP_KERNEL); if (!skb) { diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c index 9ea22e165acd..548491de818e 100644 --- a/drivers/base/cpu.c +++ b/drivers/base/cpu.c @@ -144,7 +144,7 @@ static DEVICE_ATTR(release, S_IWUSR, NULL, cpu_release_store); #endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */ #endif /* CONFIG_HOTPLUG_CPU */ -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE #include <linux/kexec.h> static ssize_t crash_notes_show(struct device *dev, @@ -189,14 +189,14 @@ static const struct attribute_group crash_note_cpu_attr_group = { #endif static const struct attribute_group *common_cpu_attr_groups[] = { -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE &crash_note_cpu_attr_group, #endif NULL }; static const struct attribute_group *hotplugable_cpu_attr_groups[] = { -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE &crash_note_cpu_attr_group, #endif NULL diff --git a/drivers/base/devcoredump.c b/drivers/base/devcoredump.c index 91536ee05f14..7e2d1f0d903a 100644 --- a/drivers/base/devcoredump.c +++ b/drivers/base/devcoredump.c @@ -362,6 +362,7 @@ void dev_coredumpm(struct device *dev, struct module *owner, devcd->devcd_dev.class = &devcd_class; mutex_lock(&devcd->mutex); + dev_set_uevent_suppress(&devcd->devcd_dev, true); if (device_add(&devcd->devcd_dev)) goto put_device; @@ -376,6 +377,8 @@ void dev_coredumpm(struct device *dev, struct module *owner, "devcoredump")) dev_warn(dev, "devcoredump create_link failed\n"); + dev_set_uevent_suppress(&devcd->devcd_dev, false); + kobject_uevent(&devcd->devcd_dev.kobj, KOBJ_ADD); INIT_DELAYED_WORK(&devcd->del_wk, devcd_del); schedule_delayed_work(&devcd->del_wk, DEVCD_TIMEOUT); mutex_unlock(&devcd->mutex); diff --git a/drivers/base/memory.c b/drivers/base/memory.c index f3b9a4d0fa3b..8a13babd826c 100644 --- a/drivers/base/memory.c +++ b/drivers/base/memory.c @@ -180,6 +180,9 @@ static inline unsigned long memblk_nr_poison(struct memory_block *mem) } #endif +/* + * Must acquire mem_hotplug_lock in write mode. + */ static int memory_block_online(struct memory_block *mem) { unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr); @@ -204,10 +207,11 @@ static int memory_block_online(struct memory_block *mem) if (mem->altmap) nr_vmemmap_pages = mem->altmap->free; + mem_hotplug_begin(); if (nr_vmemmap_pages) { ret = mhp_init_memmap_on_memory(start_pfn, nr_vmemmap_pages, zone); if (ret) - return ret; + goto out; } ret = online_pages(start_pfn + nr_vmemmap_pages, @@ -215,7 +219,7 @@ static int memory_block_online(struct memory_block *mem) if (ret) { if (nr_vmemmap_pages) mhp_deinit_memmap_on_memory(start_pfn, nr_vmemmap_pages); - return ret; + goto out; } /* @@ -227,9 +231,14 @@ static int memory_block_online(struct memory_block *mem) nr_vmemmap_pages); mem->zone = zone; +out: + mem_hotplug_done(); return ret; } +/* + * Must acquire mem_hotplug_lock in write mode. + */ static int memory_block_offline(struct memory_block *mem) { unsigned long start_pfn = section_nr_to_pfn(mem->start_section_nr); @@ -247,6 +256,7 @@ static int memory_block_offline(struct memory_block *mem) if (mem->altmap) nr_vmemmap_pages = mem->altmap->free; + mem_hotplug_begin(); if (nr_vmemmap_pages) adjust_present_page_count(pfn_to_page(start_pfn), mem->group, -nr_vmemmap_pages); @@ -258,13 +268,15 @@ static int memory_block_offline(struct memory_block *mem) if (nr_vmemmap_pages) adjust_present_page_count(pfn_to_page(start_pfn), mem->group, nr_vmemmap_pages); - return ret; + goto out; } if (nr_vmemmap_pages) mhp_deinit_memmap_on_memory(start_pfn, nr_vmemmap_pages); mem->zone = NULL; +out: + mem_hotplug_done(); return ret; } diff --git a/drivers/base/node.c b/drivers/base/node.c index 493d533f8375..cb2b6cc7f6e6 100644 --- a/drivers/base/node.c +++ b/drivers/base/node.c @@ -74,14 +74,14 @@ static BIN_ATTR_RO(cpulist, CPULIST_FILE_MAX_BYTES); * @dev: Device for this memory access class * @list_node: List element in the node's access list * @access: The access class rank - * @hmem_attrs: Heterogeneous memory performance attributes + * @coord: Heterogeneous memory performance coordinates */ struct node_access_nodes { struct device dev; struct list_head list_node; unsigned int access; #ifdef CONFIG_HMEM_REPORTING - struct node_hmem_attrs hmem_attrs; + struct access_coordinate coord; #endif }; #define to_access_nodes(dev) container_of(dev, struct node_access_nodes, dev) @@ -167,7 +167,7 @@ static ssize_t property##_show(struct device *dev, \ char *buf) \ { \ return sysfs_emit(buf, "%u\n", \ - to_access_nodes(dev)->hmem_attrs.property); \ + to_access_nodes(dev)->coord.property); \ } \ static DEVICE_ATTR_RO(property) @@ -187,10 +187,10 @@ static struct attribute *access_attrs[] = { /** * node_set_perf_attrs - Set the performance values for given access class * @nid: Node identifier to be set - * @hmem_attrs: Heterogeneous memory performance attributes + * @coord: Heterogeneous memory performance coordinates * @access: The access class the for the given attributes */ -void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs, +void node_set_perf_attrs(unsigned int nid, struct access_coordinate *coord, unsigned int access) { struct node_access_nodes *c; @@ -205,7 +205,7 @@ void node_set_perf_attrs(unsigned int nid, struct node_hmem_attrs *hmem_attrs, if (!c) return; - c->hmem_attrs = *hmem_attrs; + c->coord = *coord; for (i = 0; access_attrs[i] != NULL; i++) { if (sysfs_add_file_to_group(&c->dev.kobj, access_attrs[i], "initiators")) { diff --git a/drivers/base/regmap/regcache.c b/drivers/base/regmap/regcache.c index 92592f944a3d..ac63a73ccdaa 100644 --- a/drivers/base/regmap/regcache.c +++ b/drivers/base/regmap/regcache.c @@ -410,8 +410,7 @@ out: rb_entry(node, struct regmap_range_node, node); /* If there's nothing in the cache there's nothing to sync */ - ret = regcache_read(map, this->selector_reg, &i); - if (ret != 0) + if (regcache_read(map, this->selector_reg, &i) != 0) continue; ret = _regmap_write(map, this->selector_reg, i); diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig index ad1acd9b7426..dbc3950c5960 100644 --- a/drivers/clk/qcom/Kconfig +++ b/drivers/clk/qcom/Kconfig @@ -767,6 +767,7 @@ config SM_CAMCC_8450 config SM_CAMCC_8550 tristate "SM8550 Camera Clock Controller" + depends on ARM64 || COMPILE_TEST select SM_GCC_8550 help Support for the camera clock controller on SM8550 devices. diff --git a/drivers/clk/rockchip/clk-rk3128.c b/drivers/clk/rockchip/clk-rk3128.c index aa53797dbfc1..75071e0cd321 100644 --- a/drivers/clk/rockchip/clk-rk3128.c +++ b/drivers/clk/rockchip/clk-rk3128.c @@ -138,7 +138,7 @@ PNAME(mux_pll_src_5plls_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3", "usb480 PNAME(mux_pll_src_4plls_p) = { "cpll", "gpll", "gpll_div2", "usb480m" }; PNAME(mux_pll_src_3plls_p) = { "cpll", "gpll", "gpll_div2" }; -PNAME(mux_aclk_peri_src_p) = { "gpll_peri", "cpll_peri", "gpll_div2_peri", "gpll_div3_peri" }; +PNAME(mux_clk_peri_src_p) = { "gpll", "cpll", "gpll_div2", "gpll_div3" }; PNAME(mux_mmc_src_p) = { "cpll", "gpll", "gpll_div2", "xin24m" }; PNAME(mux_clk_cif_out_src_p) = { "clk_cif_src", "xin24m" }; PNAME(mux_sclk_vop_src_p) = { "cpll", "gpll", "gpll_div2", "gpll_div3" }; @@ -275,23 +275,17 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { RK2928_CLKGATE_CON(0), 11, GFLAGS), /* PD_PERI */ - GATE(0, "gpll_peri", "gpll", CLK_IGNORE_UNUSED, + COMPOSITE(0, "clk_peri_src", mux_clk_peri_src_p, 0, + RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS, RK2928_CLKGATE_CON(2), 0, GFLAGS), - GATE(0, "cpll_peri", "cpll", CLK_IGNORE_UNUSED, - RK2928_CLKGATE_CON(2), 0, GFLAGS), - GATE(0, "gpll_div2_peri", "gpll_div2", CLK_IGNORE_UNUSED, - RK2928_CLKGATE_CON(2), 0, GFLAGS), - GATE(0, "gpll_div3_peri", "gpll_div3", CLK_IGNORE_UNUSED, - RK2928_CLKGATE_CON(2), 0, GFLAGS), - COMPOSITE_NOGATE(0, "aclk_peri_src", mux_aclk_peri_src_p, 0, - RK2928_CLKSEL_CON(10), 14, 2, MFLAGS, 0, 5, DFLAGS), - COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "aclk_peri_src", 0, + + COMPOSITE_NOMUX(PCLK_PERI, "pclk_peri", "clk_peri_src", 0, RK2928_CLKSEL_CON(10), 12, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, RK2928_CLKGATE_CON(2), 3, GFLAGS), - COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "aclk_peri_src", 0, + COMPOSITE_NOMUX(HCLK_PERI, "hclk_peri", "clk_peri_src", 0, RK2928_CLKSEL_CON(10), 8, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO, RK2928_CLKGATE_CON(2), 2, GFLAGS), - GATE(ACLK_PERI, "aclk_peri", "aclk_peri_src", 0, + GATE(ACLK_PERI, "aclk_peri", "clk_peri_src", 0, RK2928_CLKGATE_CON(2), 1, GFLAGS), GATE(SCLK_TIMER0, "sclk_timer0", "xin24m", 0, @@ -316,7 +310,7 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(SCLK_MIPI_24M, "clk_mipi_24m", "xin24m", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(2), 15, GFLAGS), - COMPOSITE(SCLK_SDMMC, "sclk_sdmmc0", mux_mmc_src_p, 0, + COMPOSITE(SCLK_SDMMC, "sclk_sdmmc", mux_mmc_src_p, 0, RK2928_CLKSEL_CON(11), 6, 2, MFLAGS, 0, 6, DFLAGS, RK2928_CLKGATE_CON(2), 11, GFLAGS), @@ -490,7 +484,7 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = { GATE(HCLK_I2S_2CH, "hclk_i2s_2ch", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 2, GFLAGS), GATE(0, "hclk_usb_peri", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 13, GFLAGS), GATE(HCLK_HOST2, "hclk_host2", "hclk_peri", 0, RK2928_CLKGATE_CON(7), 3, GFLAGS), - GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(3), 13, GFLAGS), + GATE(HCLK_OTG, "hclk_otg", "hclk_peri", 0, RK2928_CLKGATE_CON(5), 13, GFLAGS), GATE(0, "hclk_peri_ahb", "hclk_peri", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(9), 14, GFLAGS), GATE(HCLK_SPDIF, "hclk_spdif", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS), GATE(HCLK_TSP, "hclk_tsp", "hclk_peri", 0, RK2928_CLKGATE_CON(10), 12, GFLAGS), diff --git a/drivers/clk/rockchip/clk-rk3568.c b/drivers/clk/rockchip/clk-rk3568.c index 16dabe2b9c47..db713e1526cd 100644 --- a/drivers/clk/rockchip/clk-rk3568.c +++ b/drivers/clk/rockchip/clk-rk3568.c @@ -72,6 +72,7 @@ static struct rockchip_pll_rate_table rk3568_pll_rates[] = { RK3036_PLL_RATE(408000000, 1, 68, 2, 2, 1, 0), RK3036_PLL_RATE(312000000, 1, 78, 6, 1, 1, 0), RK3036_PLL_RATE(297000000, 2, 99, 4, 1, 1, 0), + RK3036_PLL_RATE(292500000, 1, 195, 4, 4, 1, 0), RK3036_PLL_RATE(241500000, 2, 161, 4, 2, 1, 0), RK3036_PLL_RATE(216000000, 1, 72, 4, 2, 1, 0), RK3036_PLL_RATE(200000000, 1, 100, 3, 4, 1, 0), diff --git a/drivers/cxl/Kconfig b/drivers/cxl/Kconfig index 8ea1d340e438..67998dbd1d46 100644 --- a/drivers/cxl/Kconfig +++ b/drivers/cxl/Kconfig @@ -5,6 +5,7 @@ menuconfig CXL_BUS select FW_LOADER select FW_UPLOAD select PCI_DOE + select FIRMWARE_TABLE help CXL is a bus that is electrically compatible with PCI Express, but layers three protocols on that signalling (CXL.io, CXL.cache, and @@ -54,8 +55,10 @@ config CXL_MEM_RAW_COMMANDS config CXL_ACPI tristate "CXL ACPI: Platform Support" depends on ACPI + depends on ACPI_NUMA default CXL_BUS select ACPI_TABLE_LIB + select ACPI_HMAT help Enable support for host managed device memory (HDM) resources published by a platform's ACPI CXL memory layout description. See diff --git a/drivers/cxl/acpi.c b/drivers/cxl/acpi.c index 2034eb4ce83f..afc712264d1c 100644 --- a/drivers/cxl/acpi.c +++ b/drivers/cxl/acpi.c @@ -6,6 +6,7 @@ #include <linux/kernel.h> #include <linux/acpi.h> #include <linux/pci.h> +#include <linux/node.h> #include <asm/div64.h> #include "cxlpci.h" #include "cxl.h" @@ -17,6 +18,10 @@ struct cxl_cxims_data { u64 xormaps[] __counted_by(nr_maps); }; +static const guid_t acpi_cxl_qtg_id_guid = + GUID_INIT(0xF365F9A6, 0xA7DE, 0x4071, + 0xA6, 0x6A, 0xB4, 0x0C, 0x0B, 0x4F, 0x8E, 0x52); + /* * Find a targets entry (n) in the host bridge interleave list. * CXL Specification 3.0 Table 9-22 @@ -194,6 +199,125 @@ struct cxl_cfmws_context { int id; }; +/** + * cxl_acpi_evaluate_qtg_dsm - Retrieve QTG ids via ACPI _DSM + * @handle: ACPI handle + * @coord: performance access coordinates + * @entries: number of QTG IDs to return + * @qos_class: int array provided by caller to return QTG IDs + * + * Return: number of QTG IDs returned, or -errno for errors + * + * Issue QTG _DSM with accompanied bandwidth and latency data in order to get + * the QTG IDs that are suitable for the performance point in order of most + * suitable to least suitable. Write back array of QTG IDs and return the + * actual number of QTG IDs written back. + */ +static int +cxl_acpi_evaluate_qtg_dsm(acpi_handle handle, struct access_coordinate *coord, + int entries, int *qos_class) +{ + union acpi_object *out_obj, *out_buf, *obj; + union acpi_object in_array[4] = { + [0].integer = { ACPI_TYPE_INTEGER, coord->read_latency }, + [1].integer = { ACPI_TYPE_INTEGER, coord->write_latency }, + [2].integer = { ACPI_TYPE_INTEGER, coord->read_bandwidth }, + [3].integer = { ACPI_TYPE_INTEGER, coord->write_bandwidth }, + }; + union acpi_object in_obj = { + .package = { + .type = ACPI_TYPE_PACKAGE, + .count = 4, + .elements = in_array, + }, + }; + int count, pkg_entries, i; + u16 max_qtg; + int rc; + + if (!entries) + return -EINVAL; + + out_obj = acpi_evaluate_dsm(handle, &acpi_cxl_qtg_id_guid, 1, 1, &in_obj); + if (!out_obj) + return -ENXIO; + + if (out_obj->type != ACPI_TYPE_PACKAGE) { + rc = -ENXIO; + goto out; + } + + /* Check Max QTG ID */ + obj = &out_obj->package.elements[0]; + if (obj->type != ACPI_TYPE_INTEGER) { + rc = -ENXIO; + goto out; + } + + max_qtg = obj->integer.value; + + /* It's legal to have 0 QTG entries */ + pkg_entries = out_obj->package.count; + if (pkg_entries <= 1) { + rc = 0; + goto out; + } + + /* Retrieve QTG IDs package */ + obj = &out_obj->package.elements[1]; + if (obj->type != ACPI_TYPE_PACKAGE) { + rc = -ENXIO; + goto out; + } + + pkg_entries = obj->package.count; + count = min(entries, pkg_entries); + for (i = 0; i < count; i++) { + u16 qtg_id; + + out_buf = &obj->package.elements[i]; + if (out_buf->type != ACPI_TYPE_INTEGER) { + rc = -ENXIO; + goto out; + } + + qtg_id = out_buf->integer.value; + if (qtg_id > max_qtg) + pr_warn("QTG ID %u greater than MAX %u\n", + qtg_id, max_qtg); + + qos_class[i] = qtg_id; + } + rc = count; + +out: + ACPI_FREE(out_obj); + return rc; +} + +static int cxl_acpi_qos_class(struct cxl_port *root_port, + struct access_coordinate *coord, int entries, + int *qos_class) +{ + acpi_handle handle; + struct device *dev; + + dev = root_port->uport_dev; + + if (!dev_is_platform(dev)) + return -ENODEV; + + handle = ACPI_HANDLE(dev); + if (!handle) + return -ENODEV; + + return cxl_acpi_evaluate_qtg_dsm(handle, coord, entries, qos_class); +} + +static const struct cxl_root_ops acpi_root_ops = { + .qos_class = cxl_acpi_qos_class, +}; + static int cxl_parse_cfmws(union acpi_subtable_headers *header, void *arg, const unsigned long end) { @@ -389,8 +513,29 @@ static int cxl_get_chbs(struct device *dev, struct acpi_device *hb, return 0; } +static int get_genport_coordinates(struct device *dev, struct cxl_dport *dport) +{ + struct acpi_device *hb = to_cxl_host_bridge(NULL, dev); + u32 uid; + int rc; + + if (kstrtou32(acpi_device_uid(hb), 0, &uid)) + return -EINVAL; + + rc = acpi_get_genport_coordinates(uid, &dport->hb_coord); + if (rc < 0) + return rc; + + /* Adjust back to picoseconds from nanoseconds */ + dport->hb_coord.read_latency *= 1000; + dport->hb_coord.write_latency *= 1000; + + return 0; +} + static int add_host_bridge_dport(struct device *match, void *arg) { + int ret; acpi_status rc; struct device *bridge; struct cxl_dport *dport; @@ -440,6 +585,10 @@ static int add_host_bridge_dport(struct device *match, void *arg) if (IS_ERR(dport)) return PTR_ERR(dport); + ret = get_genport_coordinates(match, dport); + if (ret) + dev_dbg(match, "Failed to get generic port perf coordinates.\n"); + return 0; } @@ -656,6 +805,7 @@ static int cxl_acpi_probe(struct platform_device *pdev) { int rc; struct resource *cxl_res; + struct cxl_root *cxl_root; struct cxl_port *root_port; struct device *host = &pdev->dev; struct acpi_device *adev = ACPI_COMPANION(host); @@ -675,9 +825,10 @@ static int cxl_acpi_probe(struct platform_device *pdev) cxl_res->end = -1; cxl_res->flags = IORESOURCE_MEM; - root_port = devm_cxl_add_port(host, host, CXL_RESOURCE_NONE, NULL); - if (IS_ERR(root_port)) - return PTR_ERR(root_port); + cxl_root = devm_cxl_add_root(host, &acpi_root_ops); + if (IS_ERR(cxl_root)) + return PTR_ERR(cxl_root); + root_port = &cxl_root->port; rc = bus_for_each_dev(adev->dev.bus, NULL, root_port, add_host_bridge_dport); diff --git a/drivers/cxl/core/Makefile b/drivers/cxl/core/Makefile index 1f66b5d4d935..9259bcc6773c 100644 --- a/drivers/cxl/core/Makefile +++ b/drivers/cxl/core/Makefile @@ -13,5 +13,6 @@ cxl_core-y += mbox.o cxl_core-y += pci.o cxl_core-y += hdm.o cxl_core-y += pmu.o +cxl_core-y += cdat.o cxl_core-$(CONFIG_TRACING) += trace.o cxl_core-$(CONFIG_CXL_REGION) += region.o diff --git a/drivers/cxl/core/cdat.c b/drivers/cxl/core/cdat.c new file mode 100644 index 000000000000..cd84d87f597a --- /dev/null +++ b/drivers/cxl/core/cdat.c @@ -0,0 +1,517 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* Copyright(c) 2023 Intel Corporation. All rights reserved. */ +#include <linux/acpi.h> +#include <linux/xarray.h> +#include <linux/fw_table.h> +#include <linux/node.h> +#include <linux/overflow.h> +#include "cxlpci.h" +#include "cxlmem.h" +#include "cxl.h" + +struct dsmas_entry { + struct range dpa_range; + u8 handle; + struct access_coordinate coord; + + int entries; + int qos_class; +}; + +static int cdat_dsmas_handler(union acpi_subtable_headers *header, void *arg, + const unsigned long end) +{ + struct acpi_cdat_header *hdr = &header->cdat; + struct acpi_cdat_dsmas *dsmas; + int size = sizeof(*hdr) + sizeof(*dsmas); + struct xarray *dsmas_xa = arg; + struct dsmas_entry *dent; + u16 len; + int rc; + + len = le16_to_cpu((__force __le16)hdr->length); + if (len != size || (unsigned long)hdr + len > end) { + pr_warn("Malformed DSMAS table length: (%u:%u)\n", size, len); + return -EINVAL; + } + + /* Skip common header */ + dsmas = (struct acpi_cdat_dsmas *)(hdr + 1); + + dent = kzalloc(sizeof(*dent), GFP_KERNEL); + if (!dent) + return -ENOMEM; + + dent->handle = dsmas->dsmad_handle; + dent->dpa_range.start = le64_to_cpu((__force __le64)dsmas->dpa_base_address); + dent->dpa_range.end = le64_to_cpu((__force __le64)dsmas->dpa_base_address) + + le64_to_cpu((__force __le64)dsmas->dpa_length) - 1; + + rc = xa_insert(dsmas_xa, dent->handle, dent, GFP_KERNEL); + if (rc) { + kfree(dent); + return rc; + } + + return 0; +} + +static void cxl_access_coordinate_set(struct access_coordinate *coord, + int access, unsigned int val) +{ + switch (access) { + case ACPI_HMAT_ACCESS_LATENCY: + coord->read_latency = val; + coord->write_latency = val; + break; + case ACPI_HMAT_READ_LATENCY: + coord->read_latency = val; + break; + case ACPI_HMAT_WRITE_LATENCY: + coord->write_latency = val; + break; + case ACPI_HMAT_ACCESS_BANDWIDTH: + coord->read_bandwidth = val; + coord->write_bandwidth = val; + break; + case ACPI_HMAT_READ_BANDWIDTH: + coord->read_bandwidth = val; + break; + case ACPI_HMAT_WRITE_BANDWIDTH: + coord->write_bandwidth = val; + break; + } +} + +static int cdat_dslbis_handler(union acpi_subtable_headers *header, void *arg, + const unsigned long end) +{ + struct acpi_cdat_header *hdr = &header->cdat; + struct acpi_cdat_dslbis *dslbis; + int size = sizeof(*hdr) + sizeof(*dslbis); + struct xarray *dsmas_xa = arg; + struct dsmas_entry *dent; + __le64 le_base; + __le16 le_val; + u64 val; + u16 len; + int rc; + + len = le16_to_cpu((__force __le16)hdr->length); + if (len != size || (unsigned long)hdr + len > end) { + pr_warn("Malformed DSLBIS table length: (%u:%u)\n", size, len); + return -EINVAL; + } + + /* Skip common header */ + dslbis = (struct acpi_cdat_dslbis *)(hdr + 1); + + /* Skip unrecognized data type */ + if (dslbis->data_type > ACPI_HMAT_WRITE_BANDWIDTH) + return 0; + + /* Not a memory type, skip */ + if ((dslbis->flags & ACPI_HMAT_MEMORY_HIERARCHY) != ACPI_HMAT_MEMORY) + return 0; + + dent = xa_load(dsmas_xa, dslbis->handle); + if (!dent) { + pr_warn("No matching DSMAS entry for DSLBIS entry.\n"); + return 0; + } + + le_base = (__force __le64)dslbis->entry_base_unit; + le_val = (__force __le16)dslbis->entry[0]; + rc = check_mul_overflow(le64_to_cpu(le_base), + le16_to_cpu(le_val), &val); + if (rc) + pr_warn("DSLBIS value overflowed.\n"); + + cxl_access_coordinate_set(&dent->coord, dslbis->data_type, val); + + return 0; +} + +static int cdat_table_parse_output(int rc) +{ + if (rc < 0) + return rc; + if (rc == 0) + return -ENOENT; + + return 0; +} + +static int cxl_cdat_endpoint_process(struct cxl_port *port, + struct xarray *dsmas_xa) +{ + int rc; + + rc = cdat_table_parse(ACPI_CDAT_TYPE_DSMAS, cdat_dsmas_handler, + dsmas_xa, port->cdat.table); + rc = cdat_table_parse_output(rc); + if (rc) + return rc; + + rc = cdat_table_parse(ACPI_CDAT_TYPE_DSLBIS, cdat_dslbis_handler, + dsmas_xa, port->cdat.table); + return cdat_table_parse_output(rc); +} + +static int cxl_port_perf_data_calculate(struct cxl_port *port, + struct xarray *dsmas_xa) +{ + struct access_coordinate c; + struct cxl_port *root_port; + struct cxl_root *cxl_root; + struct dsmas_entry *dent; + int valid_entries = 0; + unsigned long index; + int rc; + + rc = cxl_endpoint_get_perf_coordinates(port, &c); + if (rc) { + dev_dbg(&port->dev, "Failed to retrieve perf coordinates.\n"); + return rc; + } + + root_port = find_cxl_root(port); + cxl_root = to_cxl_root(root_port); + if (!cxl_root->ops || !cxl_root->ops->qos_class) + return -EOPNOTSUPP; + + xa_for_each(dsmas_xa, index, dent) { + int qos_class; + + dent->coord.read_latency = dent->coord.read_latency + + c.read_latency; + dent->coord.write_latency = dent->coord.write_latency + + c.write_latency; + dent->coord.read_bandwidth = min_t(int, c.read_bandwidth, + dent->coord.read_bandwidth); + dent->coord.write_bandwidth = min_t(int, c.write_bandwidth, + dent->coord.write_bandwidth); + + dent->entries = 1; + rc = cxl_root->ops->qos_class(root_port, &dent->coord, 1, &qos_class); + if (rc != 1) + continue; + + valid_entries++; + dent->qos_class = qos_class; + } + + if (!valid_entries) + return -ENOENT; + + return 0; +} + +static void add_perf_entry(struct device *dev, struct dsmas_entry *dent, + struct list_head *list) +{ + struct cxl_dpa_perf *dpa_perf; + + dpa_perf = kzalloc(sizeof(*dpa_perf), GFP_KERNEL); + if (!dpa_perf) + return; + + dpa_perf->dpa_range = dent->dpa_range; + dpa_perf->coord = dent->coord; + dpa_perf->qos_class = dent->qos_class; + list_add_tail(&dpa_perf->list, list); + dev_dbg(dev, + "DSMAS: dpa: %#llx qos: %d read_bw: %d write_bw %d read_lat: %d write_lat: %d\n", + dent->dpa_range.start, dpa_perf->qos_class, + dent->coord.read_bandwidth, dent->coord.write_bandwidth, + dent->coord.read_latency, dent->coord.write_latency); +} + +static void free_perf_ents(void *data) +{ + struct cxl_memdev_state *mds = data; + struct cxl_dpa_perf *dpa_perf, *n; + LIST_HEAD(discard); + + list_splice_tail_init(&mds->ram_perf_list, &discard); + list_splice_tail_init(&mds->pmem_perf_list, &discard); + list_for_each_entry_safe(dpa_perf, n, &discard, list) { + list_del(&dpa_perf->list); + kfree(dpa_perf); + } +} + +static void cxl_memdev_set_qos_class(struct cxl_dev_state *cxlds, + struct xarray *dsmas_xa) +{ + struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlds); + struct device *dev = cxlds->dev; + struct range pmem_range = { + .start = cxlds->pmem_res.start, + .end = cxlds->pmem_res.end, + }; + struct range ram_range = { + .start = cxlds->ram_res.start, + .end = cxlds->ram_res.end, + }; + struct dsmas_entry *dent; + unsigned long index; + + xa_for_each(dsmas_xa, index, dent) { + if (resource_size(&cxlds->ram_res) && + range_contains(&ram_range, &dent->dpa_range)) + add_perf_entry(dev, dent, &mds->ram_perf_list); + else if (resource_size(&cxlds->pmem_res) && + range_contains(&pmem_range, &dent->dpa_range)) + add_perf_entry(dev, dent, &mds->pmem_perf_list); + else + dev_dbg(dev, "no partition for dsmas dpa: %#llx\n", + dent->dpa_range.start); + } + + devm_add_action_or_reset(&cxlds->cxlmd->dev, free_perf_ents, mds); +} + +static int match_cxlrd_qos_class(struct device *dev, void *data) +{ + int dev_qos_class = *(int *)data; + struct cxl_root_decoder *cxlrd; + + if (!is_root_decoder(dev)) + return 0; + + cxlrd = to_cxl_root_decoder(dev); + if (cxlrd->qos_class == CXL_QOS_CLASS_INVALID) + return 0; + + if (cxlrd->qos_class == dev_qos_class) + return 1; + + return 0; +} + +static void cxl_qos_match(struct cxl_port *root_port, + struct list_head *work_list, + struct list_head *discard_list) +{ + struct cxl_dpa_perf *dpa_perf, *n; + + list_for_each_entry_safe(dpa_perf, n, work_list, list) { + int rc; + + if (dpa_perf->qos_class == CXL_QOS_CLASS_INVALID) + return; + + rc = device_for_each_child(&root_port->dev, + (void *)&dpa_perf->qos_class, + match_cxlrd_qos_class); + if (!rc) + list_move_tail(&dpa_perf->list, discard_list); + } +} + +static int match_cxlrd_hb(struct device *dev, void *data) +{ + struct device *host_bridge = data; + struct cxl_switch_decoder *cxlsd; + struct cxl_root_decoder *cxlrd; + unsigned int seq; + + if (!is_root_decoder(dev)) + return 0; + + cxlrd = to_cxl_root_decoder(dev); + cxlsd = &cxlrd->cxlsd; + + do { + seq = read_seqbegin(&cxlsd->target_lock); + for (int i = 0; i < cxlsd->nr_targets; i++) { + if (host_bridge == cxlsd->target[i]->dport_dev) + return 1; + } + } while (read_seqretry(&cxlsd->target_lock, seq)); + + return 0; +} + +static void discard_dpa_perf(struct list_head *list) +{ + struct cxl_dpa_perf *dpa_perf, *n; + + list_for_each_entry_safe(dpa_perf, n, list, list) { + list_del(&dpa_perf->list); + kfree(dpa_perf); + } +} +DEFINE_FREE(dpa_perf, struct list_head *, if (!list_empty(_T)) discard_dpa_perf(_T)) + +static int cxl_qos_class_verify(struct cxl_memdev *cxlmd) +{ + struct cxl_dev_state *cxlds = cxlmd->cxlds; + struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlds); + struct cxl_port *root_port __free(put_device) = NULL; + LIST_HEAD(__discard); + struct list_head *discard __free(dpa_perf) = &__discard; + int rc; + + root_port = find_cxl_root(cxlmd->endpoint); + if (!root_port) + return -ENODEV; + + /* Check that the QTG IDs are all sane between end device and root decoders */ + cxl_qos_match(root_port, &mds->ram_perf_list, discard); + cxl_qos_match(root_port, &mds->pmem_perf_list, discard); + + /* Check to make sure that the device's host bridge is under a root decoder */ + rc = device_for_each_child(&root_port->dev, + (void *)cxlmd->endpoint->host_bridge, + match_cxlrd_hb); + if (!rc) { + list_splice_tail_init(&mds->ram_perf_list, discard); + list_splice_tail_init(&mds->pmem_perf_list, discard); + } + + return rc; +} + +static void discard_dsmas(struct xarray *xa) +{ + unsigned long index; + void *ent; + + xa_for_each(xa, index, ent) { + xa_erase(xa, index); + kfree(ent); + } + xa_destroy(xa); +} +DEFINE_FREE(dsmas, struct xarray *, if (_T) discard_dsmas(_T)) + +void cxl_endpoint_parse_cdat(struct cxl_port *port) +{ + struct cxl_memdev *cxlmd = to_cxl_memdev(port->uport_dev); + struct cxl_dev_state *cxlds = cxlmd->cxlds; + struct xarray __dsmas_xa; + struct xarray *dsmas_xa __free(dsmas) = &__dsmas_xa; + int rc; + + xa_init(&__dsmas_xa); + if (!port->cdat.table) + return; + + rc = cxl_cdat_endpoint_process(port, dsmas_xa); + if (rc < 0) { + dev_dbg(&port->dev, "Failed to parse CDAT: %d\n", rc); + return; + } + + rc = cxl_port_perf_data_calculate(port, dsmas_xa); + if (rc) { + dev_dbg(&port->dev, "Failed to do perf coord calculations.\n"); + return; + } + + cxl_memdev_set_qos_class(cxlds, dsmas_xa); + cxl_qos_class_verify(cxlmd); +} +EXPORT_SYMBOL_NS_GPL(cxl_endpoint_parse_cdat, CXL); + +static int cdat_sslbis_handler(union acpi_subtable_headers *header, void *arg, + const unsigned long end) +{ + struct acpi_cdat_sslbis *sslbis; + int size = sizeof(header->cdat) + sizeof(*sslbis); + struct cxl_port *port = arg; + struct device *dev = &port->dev; + struct acpi_cdat_sslbe *entry; + int remain, entries, i; + u16 len; + + len = le16_to_cpu((__force __le16)header->cdat.length); + remain = len - size; + if (!remain || remain % sizeof(*entry) || + (unsigned long)header + len > end) { + dev_warn(dev, "Malformed SSLBIS table length: (%u)\n", len); + return -EINVAL; + } + + /* Skip common header */ + sslbis = (struct acpi_cdat_sslbis *)((unsigned long)header + + sizeof(header->cdat)); + + /* Unrecognized data type, we can skip */ + if (sslbis->data_type > ACPI_HMAT_WRITE_BANDWIDTH) + return 0; + + entries = remain / sizeof(*entry); + entry = (struct acpi_cdat_sslbe *)((unsigned long)header + sizeof(*sslbis)); + + for (i = 0; i < entries; i++) { + u16 x = le16_to_cpu((__force __le16)entry->portx_id); + u16 y = le16_to_cpu((__force __le16)entry->porty_id); + __le64 le_base; + __le16 le_val; + struct cxl_dport *dport; + unsigned long index; + u16 dsp_id; + u64 val; + + switch (x) { + case ACPI_CDAT_SSLBIS_US_PORT: + dsp_id = y; + break; + case ACPI_CDAT_SSLBIS_ANY_PORT: + switch (y) { + case ACPI_CDAT_SSLBIS_US_PORT: + dsp_id = x; + break; + case ACPI_CDAT_SSLBIS_ANY_PORT: + dsp_id = ACPI_CDAT_SSLBIS_ANY_PORT; + break; + default: + dsp_id = y; + break; + } + break; + default: + dsp_id = x; + break; + } + + le_base = (__force __le64)sslbis->entry_base_unit; + le_val = (__force __le16)entry->latency_or_bandwidth; + + if (check_mul_overflow(le64_to_cpu(le_base), + le16_to_cpu(le_val), &val)) + dev_warn(dev, "SSLBIS value overflowed!\n"); + + xa_for_each(&port->dports, index, dport) { + if (dsp_id == ACPI_CDAT_SSLBIS_ANY_PORT || + dsp_id == dport->port_id) + cxl_access_coordinate_set(&dport->sw_coord, + sslbis->data_type, + val); + } + + entry++; + } + + return 0; +} + +void cxl_switch_parse_cdat(struct cxl_port *port) +{ + int rc; + + if (!port->cdat.table) + return; + + rc = cdat_table_parse(ACPI_CDAT_TYPE_SSLBIS, cdat_sslbis_handler, + port, port->cdat.table); + rc = cdat_table_parse_output(rc); + if (rc) + dev_dbg(&port->dev, "Failed to parse SSLBIS: %d\n", rc); +} +EXPORT_SYMBOL_NS_GPL(cxl_switch_parse_cdat, CXL); + +MODULE_IMPORT_NS(CXL); diff --git a/drivers/cxl/core/core.h b/drivers/cxl/core/core.h index 86d7ba23235e..3b64fb1b9ed0 100644 --- a/drivers/cxl/core/core.h +++ b/drivers/cxl/core/core.h @@ -88,4 +88,6 @@ enum cxl_poison_trace_type { CXL_POISON_TRACE_CLEAR, }; +long cxl_pci_get_latency(struct pci_dev *pdev); + #endif /* __CXL_CORE_H__ */ diff --git a/drivers/cxl/core/hdm.c b/drivers/cxl/core/hdm.c index 1cc9be85ba4c..7d97790b893d 100644 --- a/drivers/cxl/core/hdm.c +++ b/drivers/cxl/core/hdm.c @@ -363,10 +363,9 @@ resource_size_t cxl_dpa_resource_start(struct cxl_endpoint_decoder *cxled) { resource_size_t base = -1; - down_read(&cxl_dpa_rwsem); + lockdep_assert_held(&cxl_dpa_rwsem); if (cxled->dpa_res) base = cxled->dpa_res->start; - up_read(&cxl_dpa_rwsem); return base; } @@ -839,6 +838,8 @@ static int init_hdm_decoder(struct cxl_port *port, struct cxl_decoder *cxld, cxld->target_type = CXL_DECODER_HOSTONLYMEM; else cxld->target_type = CXL_DECODER_DEVMEM; + + guard(rwsem_write)(&cxl_region_rwsem); if (cxld->id != cxl_num_decoders_committed(port)) { dev_warn(&port->dev, "decoder%d.%d: Committed out of order\n", diff --git a/drivers/cxl/core/mbox.c b/drivers/cxl/core/mbox.c index b86dbd25740c..d51a1f250c8c 100644 --- a/drivers/cxl/core/mbox.c +++ b/drivers/cxl/core/mbox.c @@ -1405,6 +1405,8 @@ struct cxl_memdev_state *cxl_memdev_state_create(struct device *dev) mds->cxlds.reg_map.host = dev; mds->cxlds.reg_map.resource = CXL_RESOURCE_NONE; mds->cxlds.type = CXL_DEVTYPE_CLASSMEM; + INIT_LIST_HEAD(&mds->ram_perf_list); + INIT_LIST_HEAD(&mds->pmem_perf_list); return mds; } diff --git a/drivers/cxl/core/memdev.c b/drivers/cxl/core/memdev.c index fc5c2b414793..2f43d368ba07 100644 --- a/drivers/cxl/core/memdev.c +++ b/drivers/cxl/core/memdev.c @@ -227,10 +227,16 @@ int cxl_trigger_poison_list(struct cxl_memdev *cxlmd) if (!port || !is_cxl_endpoint(port)) return -EINVAL; - rc = down_read_interruptible(&cxl_dpa_rwsem); + rc = down_read_interruptible(&cxl_region_rwsem); if (rc) return rc; + rc = down_read_interruptible(&cxl_dpa_rwsem); + if (rc) { + up_read(&cxl_region_rwsem); + return rc; + } + if (cxl_num_decoders_committed(port) == 0) { /* No regions mapped to this memdev */ rc = cxl_get_poison_by_memdev(cxlmd); @@ -239,6 +245,7 @@ int cxl_trigger_poison_list(struct cxl_memdev *cxlmd) rc = cxl_get_poison_by_endpoint(port); } up_read(&cxl_dpa_rwsem); + up_read(&cxl_region_rwsem); return rc; } @@ -324,10 +331,16 @@ int cxl_inject_poison(struct cxl_memdev *cxlmd, u64 dpa) if (!IS_ENABLED(CONFIG_DEBUG_FS)) return 0; - rc = down_read_interruptible(&cxl_dpa_rwsem); + rc = down_read_interruptible(&cxl_region_rwsem); if (rc) return rc; + rc = down_read_interruptible(&cxl_dpa_rwsem); + if (rc) { + up_read(&cxl_region_rwsem); + return rc; + } + rc = cxl_validate_poison_dpa(cxlmd, dpa); if (rc) goto out; @@ -355,6 +368,7 @@ int cxl_inject_poison(struct cxl_memdev *cxlmd, u64 dpa) trace_cxl_poison(cxlmd, cxlr, &record, 0, 0, CXL_POISON_TRACE_INJECT); out: up_read(&cxl_dpa_rwsem); + up_read(&cxl_region_rwsem); return rc; } @@ -372,10 +386,16 @@ int cxl_clear_poison(struct cxl_memdev *cxlmd, u64 dpa) if (!IS_ENABLED(CONFIG_DEBUG_FS)) return 0; - rc = down_read_interruptible(&cxl_dpa_rwsem); + rc = down_read_interruptible(&cxl_region_rwsem); if (rc) return rc; + rc = down_read_interruptible(&cxl_dpa_rwsem); + if (rc) { + up_read(&cxl_region_rwsem); + return rc; + } + rc = cxl_validate_poison_dpa(cxlmd, dpa); if (rc) goto out; @@ -412,6 +432,7 @@ int cxl_clear_poison(struct cxl_memdev *cxlmd, u64 dpa) trace_cxl_poison(cxlmd, cxlr, &record, 0, 0, CXL_POISON_TRACE_CLEAR); out: up_read(&cxl_dpa_rwsem); + up_read(&cxl_region_rwsem); return rc; } diff --git a/drivers/cxl/core/pci.c b/drivers/cxl/core/pci.c index eff20e83d0a6..6c9c8d92f8f7 100644 --- a/drivers/cxl/core/pci.c +++ b/drivers/cxl/core/pci.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* Copyright(c) 2021 Intel Corporation. All rights reserved. */ +#include <linux/units.h> #include <linux/io-64-nonatomic-lo-hi.h> #include <linux/device.h> #include <linux/delay.h> @@ -620,7 +621,7 @@ void read_cdat_data(struct cxl_port *port) struct pci_dev *pdev = NULL; struct cxl_memdev *cxlmd; size_t cdat_length; - void *cdat_table; + void *cdat_table, *cdat_buf; int rc; if (is_cxl_memdev(uport)) { @@ -651,16 +652,15 @@ void read_cdat_data(struct cxl_port *port) return; } - cdat_table = devm_kzalloc(dev, cdat_length + sizeof(__le32), - GFP_KERNEL); - if (!cdat_table) + cdat_buf = devm_kzalloc(dev, cdat_length + sizeof(__le32), GFP_KERNEL); + if (!cdat_buf) return; - rc = cxl_cdat_read_table(dev, cdat_doe, cdat_table, &cdat_length); + rc = cxl_cdat_read_table(dev, cdat_doe, cdat_buf, &cdat_length); if (rc) goto err; - cdat_table = cdat_table + sizeof(__le32); + cdat_table = cdat_buf + sizeof(__le32); if (cdat_checksum(cdat_table, cdat_length)) goto err; @@ -670,7 +670,7 @@ void read_cdat_data(struct cxl_port *port) err: /* Don't leave table data allocated on error */ - devm_kfree(dev, cdat_table); + devm_kfree(dev, cdat_buf); dev_err(dev, "Failed to read/validate CDAT.\n"); } EXPORT_SYMBOL_NS_GPL(read_cdat_data, CXL); @@ -980,3 +980,38 @@ pci_ers_result_t cxl_error_detected(struct pci_dev *pdev, return PCI_ERS_RESULT_NEED_RESET; } EXPORT_SYMBOL_NS_GPL(cxl_error_detected, CXL); + +static int cxl_flit_size(struct pci_dev *pdev) +{ + if (cxl_pci_flit_256(pdev)) + return 256; + + return 68; +} + +/** + * cxl_pci_get_latency - calculate the link latency for the PCIe link + * @pdev: PCI device + * + * return: calculated latency or 0 for no latency + * + * CXL Memory Device SW Guide v1.0 2.11.4 Link latency calculation + * Link latency = LinkPropagationLatency + FlitLatency + RetimerLatency + * LinkProgationLatency is negligible, so 0 will be used + * RetimerLatency is assumed to be negligible and 0 will be used + * FlitLatency = FlitSize / LinkBandwidth + * FlitSize is defined by spec. CXL rev3.0 4.2.1. + * 68B flit is used up to 32GT/s. >32GT/s, 256B flit size is used. + * The FlitLatency is converted to picoseconds. + */ +long cxl_pci_get_latency(struct pci_dev *pdev) +{ + long bw; + + bw = pcie_link_speed_mbps(pdev); + if (bw < 0) + return 0; + bw /= BITS_PER_BYTE; + + return cxl_flit_size(pdev) * MEGA / bw; +} diff --git a/drivers/cxl/core/pmu.c b/drivers/cxl/core/pmu.c index 7684c843e5a5..5d8e06b0ba6e 100644 --- a/drivers/cxl/core/pmu.c +++ b/drivers/cxl/core/pmu.c @@ -23,7 +23,7 @@ const struct device_type cxl_pmu_type = { static void remove_dev(void *dev) { - device_del(dev); + device_unregister(dev); } int devm_cxl_pmu_add(struct device *parent, struct cxl_pmu_regs *regs, diff --git a/drivers/cxl/core/port.c b/drivers/cxl/core/port.c index 38441634e4c6..8c00fd6be730 100644 --- a/drivers/cxl/core/port.c +++ b/drivers/cxl/core/port.c @@ -9,6 +9,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/idr.h> +#include <linux/node.h> #include <cxlmem.h> #include <cxlpci.h> #include <cxl.h> @@ -226,9 +227,9 @@ static ssize_t dpa_resource_show(struct device *dev, struct device_attribute *at char *buf) { struct cxl_endpoint_decoder *cxled = to_cxl_endpoint_decoder(dev); - u64 base = cxl_dpa_resource_start(cxled); - return sysfs_emit(buf, "%#llx\n", base); + guard(rwsem_read)(&cxl_dpa_rwsem); + return sysfs_emit(buf, "%#llx\n", (u64)cxl_dpa_resource_start(cxled)); } static DEVICE_ATTR_RO(dpa_resource); @@ -541,7 +542,10 @@ static void cxl_port_release(struct device *dev) xa_destroy(&port->dports); xa_destroy(&port->regions); ida_free(&cxl_port_ida, port->id); - kfree(port); + if (is_cxl_root(port)) + kfree(to_cxl_root(port)); + else + kfree(port); } static ssize_t decoders_committed_show(struct device *dev, @@ -669,17 +673,31 @@ static struct lock_class_key cxl_port_key; static struct cxl_port *cxl_port_alloc(struct device *uport_dev, struct cxl_dport *parent_dport) { - struct cxl_port *port; + struct cxl_root *cxl_root __free(kfree) = NULL; + struct cxl_port *port, *_port __free(kfree) = NULL; struct device *dev; int rc; - port = kzalloc(sizeof(*port), GFP_KERNEL); - if (!port) - return ERR_PTR(-ENOMEM); + /* No parent_dport, root cxl_port */ + if (!parent_dport) { + cxl_root = kzalloc(sizeof(*cxl_root), GFP_KERNEL); + if (!cxl_root) + return ERR_PTR(-ENOMEM); + } else { + _port = kzalloc(sizeof(*port), GFP_KERNEL); + if (!_port) + return ERR_PTR(-ENOMEM); + } rc = ida_alloc(&cxl_port_ida, GFP_KERNEL); if (rc < 0) - goto err; + return ERR_PTR(rc); + + if (cxl_root) + port = &no_free_ptr(cxl_root)->port; + else + port = no_free_ptr(_port); + port->id = rc; port->uport_dev = uport_dev; @@ -731,10 +749,6 @@ static struct cxl_port *cxl_port_alloc(struct device *uport_dev, dev->type = &cxl_port_type; return port; - -err: - kfree(port); - return ERR_PTR(rc); } static int cxl_setup_comp_regs(struct device *host, struct cxl_register_map *map, @@ -841,6 +855,9 @@ static struct cxl_port *__devm_cxl_add_port(struct device *host, if (rc) return ERR_PTR(rc); + if (parent_dport && dev_is_pci(uport_dev)) + port->pci_latency = cxl_pci_get_latency(to_pci_dev(uport_dev)); + return port; err: @@ -884,6 +901,22 @@ struct cxl_port *devm_cxl_add_port(struct device *host, } EXPORT_SYMBOL_NS_GPL(devm_cxl_add_port, CXL); +struct cxl_root *devm_cxl_add_root(struct device *host, + const struct cxl_root_ops *ops) +{ + struct cxl_root *cxl_root; + struct cxl_port *port; + + port = devm_cxl_add_port(host, host, CXL_RESOURCE_NONE, NULL); + if (IS_ERR(port)) + return (struct cxl_root *)port; + + cxl_root = to_cxl_root(port); + cxl_root->ops = ops; + return cxl_root; +} +EXPORT_SYMBOL_NS_GPL(devm_cxl_add_root, CXL); + struct pci_bus *cxl_port_to_pci_bus(struct cxl_port *port) { /* There is no pci_bus associated with a CXL platform-root port */ @@ -1108,6 +1141,9 @@ __devm_cxl_add_dport(struct cxl_port *port, struct device *dport_dev, if (rc) return ERR_PTR(rc); + if (dev_is_pci(dport_dev)) + dport->link_latency = cxl_pci_get_latency(to_pci_dev(dport_dev)); + return dport; } @@ -2059,6 +2095,80 @@ bool schedule_cxl_memdev_detach(struct cxl_memdev *cxlmd) } EXPORT_SYMBOL_NS_GPL(schedule_cxl_memdev_detach, CXL); +static void combine_coordinates(struct access_coordinate *c1, + struct access_coordinate *c2) +{ + if (c2->write_bandwidth) + c1->write_bandwidth = min(c1->write_bandwidth, + c2->write_bandwidth); + c1->write_latency += c2->write_latency; + + if (c2->read_bandwidth) + c1->read_bandwidth = min(c1->read_bandwidth, + c2->read_bandwidth); + c1->read_latency += c2->read_latency; +} + +/** + * cxl_endpoint_get_perf_coordinates - Retrieve performance numbers stored in dports + * of CXL path + * @port: endpoint cxl_port + * @coord: output performance data + * + * Return: errno on failure, 0 on success. + */ +int cxl_endpoint_get_perf_coordinates(struct cxl_port *port, + struct access_coordinate *coord) +{ + struct access_coordinate c = { + .read_bandwidth = UINT_MAX, + .write_bandwidth = UINT_MAX, + }; + struct cxl_port *iter = port; + struct cxl_dport *dport; + struct pci_dev *pdev; + unsigned int bw; + + if (!is_cxl_endpoint(port)) + return -EINVAL; + + dport = iter->parent_dport; + + /* + * Exit the loop when the parent port of the current port is cxl root. + * The iterative loop starts at the endpoint and gathers the + * latency of the CXL link from the current iter to the next downstream + * port each iteration. If the parent is cxl root then there is + * nothing to gather. + */ + while (iter && !is_cxl_root(to_cxl_port(iter->dev.parent))) { + combine_coordinates(&c, &dport->sw_coord); + c.write_latency += dport->link_latency; + c.read_latency += dport->link_latency; + + iter = to_cxl_port(iter->dev.parent); + dport = iter->parent_dport; + } + + /* Augment with the generic port (host bridge) perf data */ + combine_coordinates(&c, &dport->hb_coord); + + /* Get the calculated PCI paths bandwidth */ + pdev = to_pci_dev(port->uport_dev->parent); + bw = pcie_bandwidth_available(pdev, NULL, NULL, NULL); + if (bw == 0) + return -ENXIO; + bw /= BITS_PER_BYTE; + + c.write_bandwidth = min(c.write_bandwidth, bw); + c.read_bandwidth = min(c.read_bandwidth, bw); + + *coord = c; + + return 0; +} +EXPORT_SYMBOL_NS_GPL(cxl_endpoint_get_perf_coordinates, CXL); + /* for user tooling to ensure port disable work has completed */ static ssize_t flush_store(const struct bus_type *bus, const char *buf, size_t count) { diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c index 0e88f1aed018..57a5901d5a60 100644 --- a/drivers/cxl/core/region.c +++ b/drivers/cxl/core/region.c @@ -2468,10 +2468,6 @@ int cxl_get_poison_by_endpoint(struct cxl_port *port) struct cxl_poison_context ctx; int rc = 0; - rc = down_read_interruptible(&cxl_region_rwsem); - if (rc) - return rc; - ctx = (struct cxl_poison_context) { .port = port }; @@ -2481,7 +2477,6 @@ int cxl_get_poison_by_endpoint(struct cxl_port *port) rc = cxl_get_poison_unmapped(to_cxl_memdev(port->uport_dev), &ctx); - up_read(&cxl_region_rwsem); return rc; } diff --git a/drivers/cxl/cxl.h b/drivers/cxl/cxl.h index 687043ece101..492dbf63935f 100644 --- a/drivers/cxl/cxl.h +++ b/drivers/cxl/cxl.h @@ -8,6 +8,7 @@ #include <linux/bitfield.h> #include <linux/bitops.h> #include <linux/log2.h> +#include <linux/node.h> #include <linux/io.h> /** @@ -590,6 +591,7 @@ struct cxl_dax_region { * @depth: How deep this port is relative to the root. depth 0 is the root. * @cdat: Cached CDAT data * @cdat_available: Should a CDAT attribute be available in sysfs + * @pci_latency: Upstream latency in picoseconds */ struct cxl_port { struct device dev; @@ -612,8 +614,32 @@ struct cxl_port { size_t length; } cdat; bool cdat_available; + long pci_latency; }; +struct cxl_root_ops { + int (*qos_class)(struct cxl_port *root_port, + struct access_coordinate *coord, int entries, + int *qos_class); +}; + +/** + * struct cxl_root - logical collection of root cxl_port items + * + * @port: cxl_port member + * @ops: cxl root operations + */ +struct cxl_root { + struct cxl_port port; + const struct cxl_root_ops *ops; +}; + +static inline struct cxl_root * +to_cxl_root(const struct cxl_port *port) +{ + return container_of(port, struct cxl_root, port); +} + static inline struct cxl_dport * cxl_find_dport_by_dev(struct cxl_port *port, const struct device *dport_dev) { @@ -634,6 +660,9 @@ struct cxl_rcrb_info { * @rch: Indicate whether this dport was enumerated in RCH or VH mode * @port: reference to cxl_port that contains this downstream port * @regs: Dport parsed register blocks + * @sw_coord: access coordinates (performance) for switch from CDAT + * @hb_coord: access coordinates (performance) from ACPI generic port (host bridge) + * @link_latency: calculated PCIe downstream latency */ struct cxl_dport { struct device *dport_dev; @@ -643,6 +672,9 @@ struct cxl_dport { bool rch; struct cxl_port *port; struct cxl_regs regs; + struct access_coordinate sw_coord; + struct access_coordinate hb_coord; + long link_latency; }; /** @@ -700,6 +732,8 @@ struct cxl_port *devm_cxl_add_port(struct device *host, struct device *uport_dev, resource_size_t component_reg_phys, struct cxl_dport *parent_dport); +struct cxl_root *devm_cxl_add_root(struct device *host, + const struct cxl_root_ops *ops); struct cxl_port *find_cxl_root(struct cxl_port *port); int devm_cxl_enumerate_ports(struct cxl_memdev *cxlmd); void cxl_bus_rescan(void); @@ -839,6 +873,12 @@ static inline struct cxl_dax_region *to_cxl_dax_region(struct device *dev) } #endif +void cxl_endpoint_parse_cdat(struct cxl_port *port); +void cxl_switch_parse_cdat(struct cxl_port *port); + +int cxl_endpoint_get_perf_coordinates(struct cxl_port *port, + struct access_coordinate *coord); + /* * Unit test builds overrides this to __weak, find the 'strong' version * of these symbols in tools/testing/cxl/. diff --git a/drivers/cxl/cxlmem.h b/drivers/cxl/cxlmem.h index 6a6becee402b..1125d4f988e1 100644 --- a/drivers/cxl/cxlmem.h +++ b/drivers/cxl/cxlmem.h @@ -6,6 +6,7 @@ #include <linux/cdev.h> #include <linux/uuid.h> #include <linux/rcuwait.h> +#include <linux/node.h> #include "cxl.h" /* CXL 2.0 8.2.8.5.1.1 Memory Device Status Register */ @@ -392,6 +393,20 @@ enum cxl_devtype { }; /** + * struct cxl_dpa_perf - DPA performance property entry + * @list - list entry + * @dpa_range - range for DPA address + * @coord - QoS performance data (i.e. latency, bandwidth) + * @qos_class - QoS Class cookies + */ +struct cxl_dpa_perf { + struct list_head list; + struct range dpa_range; + struct access_coordinate coord; + int qos_class; +}; + +/** * struct cxl_dev_state - The driver device state * * cxl_dev_state represents the CXL driver/device state. It provides an @@ -455,6 +470,8 @@ struct cxl_dev_state { * @security: security driver state info * @fw: firmware upload / activation state * @mbox_send: @dev specific transport for transmitting mailbox commands + * @ram_perf_list: performance data entries matched to RAM + * @pmem_perf_list: performance data entries matched to PMEM * * See CXL 3.0 8.2.9.8.2 Capacity Configuration and Label Storage for * details on capacity parameters. @@ -475,6 +492,10 @@ struct cxl_memdev_state { u64 active_persistent_bytes; u64 next_volatile_bytes; u64 next_persistent_bytes; + + struct list_head ram_perf_list; + struct list_head pmem_perf_list; + struct cxl_event_state event; struct cxl_poison_state poison; struct cxl_security_state security; diff --git a/drivers/cxl/cxlpci.h b/drivers/cxl/cxlpci.h index 0fa4799ea316..711b05d9a370 100644 --- a/drivers/cxl/cxlpci.h +++ b/drivers/cxl/cxlpci.h @@ -85,6 +85,19 @@ struct cdat_entry_header { __le16 length; } __packed; +/* + * CXL v3.0 6.2.3 Table 6-4 + * The table indicates that if PCIe Flit Mode is set, then CXL is in 256B flits + * mode, otherwise it's 68B flits mode. + */ +static inline bool cxl_pci_flit_256(struct pci_dev *pdev) +{ + u16 lnksta2; + + pcie_capability_read_word(pdev, PCI_EXP_LNKSTA2, &lnksta2); + return lnksta2 & PCI_EXP_LNKSTA2_FLIT; +} + int devm_cxl_port_enumerate_dports(struct cxl_port *port); struct cxl_dev_state; int cxl_hdm_decode_init(struct cxl_dev_state *cxlds, struct cxl_hdm *cxlhdm, diff --git a/drivers/cxl/mem.c b/drivers/cxl/mem.c index e087febf9af0..c5c9d8e0d88d 100644 --- a/drivers/cxl/mem.c +++ b/drivers/cxl/mem.c @@ -215,23 +215,78 @@ static ssize_t trigger_poison_list_store(struct device *dev, } static DEVICE_ATTR_WO(trigger_poison_list); +static ssize_t ram_qos_class_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cxl_memdev *cxlmd = to_cxl_memdev(dev); + struct cxl_dev_state *cxlds = cxlmd->cxlds; + struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlds); + struct cxl_dpa_perf *dpa_perf; + + if (!dev->driver) + return -ENOENT; + + if (list_empty(&mds->ram_perf_list)) + return -ENOENT; + + dpa_perf = list_first_entry(&mds->ram_perf_list, struct cxl_dpa_perf, + list); + + return sysfs_emit(buf, "%d\n", dpa_perf->qos_class); +} + +static struct device_attribute dev_attr_ram_qos_class = + __ATTR(qos_class, 0444, ram_qos_class_show, NULL); + +static ssize_t pmem_qos_class_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cxl_memdev *cxlmd = to_cxl_memdev(dev); + struct cxl_dev_state *cxlds = cxlmd->cxlds; + struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlds); + struct cxl_dpa_perf *dpa_perf; + + if (!dev->driver) + return -ENOENT; + + if (list_empty(&mds->pmem_perf_list)) + return -ENOENT; + + dpa_perf = list_first_entry(&mds->pmem_perf_list, struct cxl_dpa_perf, + list); + + return sysfs_emit(buf, "%d\n", dpa_perf->qos_class); +} + +static struct device_attribute dev_attr_pmem_qos_class = + __ATTR(qos_class, 0444, pmem_qos_class_show, NULL); + static umode_t cxl_mem_visible(struct kobject *kobj, struct attribute *a, int n) { - if (a == &dev_attr_trigger_poison_list.attr) { - struct device *dev = kobj_to_dev(kobj); - struct cxl_memdev *cxlmd = to_cxl_memdev(dev); - struct cxl_memdev_state *mds = - to_cxl_memdev_state(cxlmd->cxlds); + struct device *dev = kobj_to_dev(kobj); + struct cxl_memdev *cxlmd = to_cxl_memdev(dev); + struct cxl_memdev_state *mds = to_cxl_memdev_state(cxlmd->cxlds); + if (a == &dev_attr_trigger_poison_list.attr) if (!test_bit(CXL_POISON_ENABLED_LIST, mds->poison.enabled_cmds)) return 0; - } + + if (a == &dev_attr_pmem_qos_class.attr) + if (list_empty(&mds->pmem_perf_list)) + return 0; + + if (a == &dev_attr_ram_qos_class.attr) + if (list_empty(&mds->ram_perf_list)) + return 0; + return a->mode; } static struct attribute *cxl_mem_attrs[] = { &dev_attr_trigger_poison_list.attr, + &dev_attr_ram_qos_class.attr, + &dev_attr_pmem_qos_class.attr, NULL }; diff --git a/drivers/cxl/port.c b/drivers/cxl/port.c index 47bc8e0b8590..da3c3a08bd62 100644 --- a/drivers/cxl/port.c +++ b/drivers/cxl/port.c @@ -69,6 +69,8 @@ static int cxl_switch_port_probe(struct cxl_port *port) if (rc < 0) return rc; + cxl_switch_parse_cdat(port); + cxlhdm = devm_cxl_setup_hdm(port, NULL); if (!IS_ERR(cxlhdm)) return devm_cxl_enumerate_decoders(cxlhdm, NULL); @@ -109,6 +111,7 @@ static int cxl_endpoint_port_probe(struct cxl_port *port) /* Cache the data early to ensure is_visible() works */ read_cdat_data(port); + cxl_endpoint_parse_cdat(port); get_device(&cxlmd->dev); rc = devm_add_action_or_reset(&port->dev, schedule_detach, cxlmd); diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index 6a3abe5b1790..b53f46245c37 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -828,6 +828,7 @@ void fsl_edma_free_chan_resources(struct dma_chan *chan) dma_pool_destroy(fsl_chan->tcd_pool); fsl_chan->tcd_pool = NULL; fsl_chan->is_sw = false; + fsl_chan->srcid = 0; } void fsl_edma_cleanup_vchan(struct dma_device *dmadev) diff --git a/drivers/dma/fsl-edma-main.c b/drivers/dma/fsl-edma-main.c index 4635e16d7705..238a69bd0d6f 100644 --- a/drivers/dma/fsl-edma-main.c +++ b/drivers/dma/fsl-edma-main.c @@ -396,9 +396,8 @@ static int fsl_edma3_attach_pd(struct platform_device *pdev, struct fsl_edma_eng link = device_link_add(dev, pd_chan, DL_FLAG_STATELESS | DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); - if (IS_ERR(link)) { - dev_err(dev, "Failed to add device_link to %d: %ld\n", i, - PTR_ERR(link)); + if (!link) { + dev_err(dev, "Failed to add device_link to %d\n", i); return -EINVAL; } @@ -631,6 +630,8 @@ static int fsl_edma_suspend_late(struct device *dev) for (i = 0; i < fsl_edma->n_chans; i++) { fsl_chan = &fsl_edma->chans[i]; + if (fsl_edma->chan_masked & BIT(i)) + continue; spin_lock_irqsave(&fsl_chan->vchan.lock, flags); /* Make sure chan is idle or will force disable. */ if (unlikely(!fsl_chan->idle)) { @@ -655,13 +656,16 @@ static int fsl_edma_resume_early(struct device *dev) for (i = 0; i < fsl_edma->n_chans; i++) { fsl_chan = &fsl_edma->chans[i]; + if (fsl_edma->chan_masked & BIT(i)) + continue; fsl_chan->pm_state = RUNNING; edma_write_tcdreg(fsl_chan, 0, csr); if (fsl_chan->slave_id != 0) fsl_edma_chan_mux(fsl_chan, fsl_chan->slave_id, true); } - edma_writel(fsl_edma, EDMA_CR_ERGA | EDMA_CR_ERCA, regs->cr); + if (!(fsl_edma->drvdata->flags & FSL_EDMA_DRV_SPLIT_REG)) + edma_writel(fsl_edma, EDMA_CR_ERGA | EDMA_CR_ERCA, regs->cr); return 0; } diff --git a/drivers/dma/idxd/registers.h b/drivers/dma/idxd/registers.h index 7b54a3939ea1..315c004f58e4 100644 --- a/drivers/dma/idxd/registers.h +++ b/drivers/dma/idxd/registers.h @@ -440,12 +440,14 @@ union wqcfg { /* * This macro calculates the offset into the GRPCFG register * idxd - struct idxd * - * n - wq id - * ofs - the index of the 32b dword for the config register + * n - group id + * ofs - the index of the 64b qword for the config register * - * The WQCFG register block is divided into groups per each wq. The n index - * allows us to move to the register group that's for that particular wq. - * Each register is 32bits. The ofs gives us the number of register to access. + * The GRPCFG register block is divided into three sub-registers, which + * are GRPWQCFG, GRPENGCFG and GRPFLGCFG. The n index allows us to move + * to the register block that contains the three sub-registers. + * Each register block is 64bits. And the ofs gives us the offset + * within the GRPWQCFG register to access. */ #define GRPWQCFG_OFFSET(idxd_dev, n, ofs) ((idxd_dev)->grpcfg_offset +\ (n) * GRPCFG_SIZE + sizeof(u64) * (ofs)) diff --git a/drivers/dma/idxd/submit.c b/drivers/dma/idxd/submit.c index c01db23e3333..3f922518e3a5 100644 --- a/drivers/dma/idxd/submit.c +++ b/drivers/dma/idxd/submit.c @@ -183,13 +183,6 @@ int idxd_submit_desc(struct idxd_wq *wq, struct idxd_desc *desc) portal = idxd_wq_portal_addr(wq); /* - * The wmb() flushes writes to coherent DMA data before - * possibly triggering a DMA read. The wmb() is necessary - * even on UP because the recipient is a device. - */ - wmb(); - - /* * Pending the descriptor to the lockless list for the irq_entry * that we designated the descriptor to. */ @@ -199,6 +192,13 @@ int idxd_submit_desc(struct idxd_wq *wq, struct idxd_desc *desc) llist_add(&desc->llnode, &ie->pending_llist); } + /* + * The wmb() flushes writes to coherent DMA data before + * possibly triggering a DMA read. The wmb() is necessary + * even on UP because the recipient is a device. + */ + wmb(); + if (wq_dedicated(wq)) { iosubmit_cmds512(portal, desc->hw, 1); } else { diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32-dma.c index 72d83cd9ed6b..90857d08a1a7 100644 --- a/drivers/dma/stm32-dma.c +++ b/drivers/dma/stm32-dma.c @@ -1246,8 +1246,8 @@ static struct dma_async_tx_descriptor *stm32_dma_prep_dma_memcpy( enum dma_slave_buswidth max_width; struct stm32_dma_desc *desc; size_t xfer_count, offset; - u32 num_sgs, best_burst, dma_burst, threshold; - int i; + u32 num_sgs, best_burst, threshold; + int dma_burst, i; num_sgs = DIV_ROUND_UP(len, STM32_DMA_ALIGNED_MAX_DATA_ITEMS); desc = kzalloc(struct_size(desc, sg_req, num_sgs), GFP_NOWAIT); @@ -1266,6 +1266,10 @@ static struct dma_async_tx_descriptor *stm32_dma_prep_dma_memcpy( best_burst = stm32_dma_get_best_burst(len, STM32_DMA_MAX_BURST, threshold, max_width); dma_burst = stm32_dma_get_burst(chan, best_burst); + if (dma_burst < 0) { + kfree(desc); + return NULL; + } stm32_dma_clear_reg(&desc->sg_req[i].chan_reg); desc->sg_req[i].chan_reg.dma_scr = diff --git a/drivers/dma/ti/k3-psil-am62.c b/drivers/dma/ti/k3-psil-am62.c index 2b6fd6e37c61..1272b1541f61 100644 --- a/drivers/dma/ti/k3-psil-am62.c +++ b/drivers/dma/ti/k3-psil-am62.c @@ -74,7 +74,9 @@ static struct psil_ep am62_src_ep_map[] = { PSIL_SAUL(0x7505, 21, 35, 8, 36, 0), PSIL_SAUL(0x7506, 22, 43, 8, 43, 0), PSIL_SAUL(0x7507, 23, 43, 8, 44, 0), - /* PDMA_MAIN0 - SPI0-3 */ + /* PDMA_MAIN0 - SPI0-2 */ + PSIL_PDMA_XY_PKT(0x4300), + PSIL_PDMA_XY_PKT(0x4301), PSIL_PDMA_XY_PKT(0x4302), PSIL_PDMA_XY_PKT(0x4303), PSIL_PDMA_XY_PKT(0x4304), @@ -85,8 +87,6 @@ static struct psil_ep am62_src_ep_map[] = { PSIL_PDMA_XY_PKT(0x4309), PSIL_PDMA_XY_PKT(0x430a), PSIL_PDMA_XY_PKT(0x430b), - PSIL_PDMA_XY_PKT(0x430c), - PSIL_PDMA_XY_PKT(0x430d), /* PDMA_MAIN1 - UART0-6 */ PSIL_PDMA_XY_PKT(0x4400), PSIL_PDMA_XY_PKT(0x4401), @@ -141,7 +141,9 @@ static struct psil_ep am62_dst_ep_map[] = { /* SAUL */ PSIL_SAUL(0xf500, 27, 83, 8, 83, 1), PSIL_SAUL(0xf501, 28, 91, 8, 91, 1), - /* PDMA_MAIN0 - SPI0-3 */ + /* PDMA_MAIN0 - SPI0-2 */ + PSIL_PDMA_XY_PKT(0xc300), + PSIL_PDMA_XY_PKT(0xc301), PSIL_PDMA_XY_PKT(0xc302), PSIL_PDMA_XY_PKT(0xc303), PSIL_PDMA_XY_PKT(0xc304), @@ -152,8 +154,6 @@ static struct psil_ep am62_dst_ep_map[] = { PSIL_PDMA_XY_PKT(0xc309), PSIL_PDMA_XY_PKT(0xc30a), PSIL_PDMA_XY_PKT(0xc30b), - PSIL_PDMA_XY_PKT(0xc30c), - PSIL_PDMA_XY_PKT(0xc30d), /* PDMA_MAIN1 - UART0-6 */ PSIL_PDMA_XY_PKT(0xc400), PSIL_PDMA_XY_PKT(0xc401), diff --git a/drivers/dma/ti/k3-psil-am62a.c b/drivers/dma/ti/k3-psil-am62a.c index ca9d71f91422..4cf9123b0e93 100644 --- a/drivers/dma/ti/k3-psil-am62a.c +++ b/drivers/dma/ti/k3-psil-am62a.c @@ -84,7 +84,9 @@ static struct psil_ep am62a_src_ep_map[] = { PSIL_SAUL(0x7505, 21, 35, 8, 36, 0), PSIL_SAUL(0x7506, 22, 43, 8, 43, 0), PSIL_SAUL(0x7507, 23, 43, 8, 44, 0), - /* PDMA_MAIN0 - SPI0-3 */ + /* PDMA_MAIN0 - SPI0-2 */ + PSIL_PDMA_XY_PKT(0x4300), + PSIL_PDMA_XY_PKT(0x4301), PSIL_PDMA_XY_PKT(0x4302), PSIL_PDMA_XY_PKT(0x4303), PSIL_PDMA_XY_PKT(0x4304), @@ -95,8 +97,6 @@ static struct psil_ep am62a_src_ep_map[] = { PSIL_PDMA_XY_PKT(0x4309), PSIL_PDMA_XY_PKT(0x430a), PSIL_PDMA_XY_PKT(0x430b), - PSIL_PDMA_XY_PKT(0x430c), - PSIL_PDMA_XY_PKT(0x430d), /* PDMA_MAIN1 - UART0-6 */ PSIL_PDMA_XY_PKT(0x4400), PSIL_PDMA_XY_PKT(0x4401), @@ -151,7 +151,9 @@ static struct psil_ep am62a_dst_ep_map[] = { /* SAUL */ PSIL_SAUL(0xf500, 27, 83, 8, 83, 1), PSIL_SAUL(0xf501, 28, 91, 8, 91, 1), - /* PDMA_MAIN0 - SPI0-3 */ + /* PDMA_MAIN0 - SPI0-2 */ + PSIL_PDMA_XY_PKT(0xc300), + PSIL_PDMA_XY_PKT(0xc301), PSIL_PDMA_XY_PKT(0xc302), PSIL_PDMA_XY_PKT(0xc303), PSIL_PDMA_XY_PKT(0xc304), @@ -162,8 +164,6 @@ static struct psil_ep am62a_dst_ep_map[] = { PSIL_PDMA_XY_PKT(0xc309), PSIL_PDMA_XY_PKT(0xc30a), PSIL_PDMA_XY_PKT(0xc30b), - PSIL_PDMA_XY_PKT(0xc30c), - PSIL_PDMA_XY_PKT(0xc30d), /* PDMA_MAIN1 - UART0-6 */ PSIL_PDMA_XY_PKT(0xc400), PSIL_PDMA_XY_PKT(0xc401), diff --git a/drivers/dpll/dpll_netlink.c b/drivers/dpll/dpll_netlink.c index 442a0ebeb953..ce7cf736f020 100644 --- a/drivers/dpll/dpll_netlink.c +++ b/drivers/dpll/dpll_netlink.c @@ -925,7 +925,6 @@ dpll_pin_parent_pin_set(struct dpll_pin *pin, struct nlattr *parent_nest, struct netlink_ext_ack *extack) { struct nlattr *tb[DPLL_A_PIN_MAX + 1]; - enum dpll_pin_state state; u32 ppin_idx; int ret; @@ -936,10 +935,14 @@ dpll_pin_parent_pin_set(struct dpll_pin *pin, struct nlattr *parent_nest, return -EINVAL; } ppin_idx = nla_get_u32(tb[DPLL_A_PIN_PARENT_ID]); - state = nla_get_u32(tb[DPLL_A_PIN_STATE]); - ret = dpll_pin_on_pin_state_set(pin, ppin_idx, state, extack); - if (ret) - return ret; + + if (tb[DPLL_A_PIN_STATE]) { + enum dpll_pin_state state = nla_get_u32(tb[DPLL_A_PIN_STATE]); + + ret = dpll_pin_on_pin_state_set(pin, ppin_idx, state, extack); + if (ret) + return ret; + } return 0; } diff --git a/drivers/edac/versal_edac.c b/drivers/edac/versal_edac.c index 87e730dfefa0..8625de20fc71 100644 --- a/drivers/edac/versal_edac.c +++ b/drivers/edac/versal_edac.c @@ -966,10 +966,10 @@ static int mc_probe(struct platform_device *pdev) edac_mc_id = emif_get_id(pdev->dev.of_node); regval = readl(ddrmc_baseaddr + XDDR_REG_CONFIG0_OFFSET); - num_chans = FIELD_PREP(XDDR_REG_CONFIG0_NUM_CHANS_MASK, regval); + num_chans = FIELD_GET(XDDR_REG_CONFIG0_NUM_CHANS_MASK, regval); num_chans++; - num_csrows = FIELD_PREP(XDDR_REG_CONFIG0_NUM_RANKS_MASK, regval); + num_csrows = FIELD_GET(XDDR_REG_CONFIG0_NUM_RANKS_MASK, regval); num_csrows *= 2; if (!num_csrows) num_csrows = 1; diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c index 07b72c679247..6146b2927d5c 100644 --- a/drivers/firmware/arm_ffa/driver.c +++ b/drivers/firmware/arm_ffa/driver.c @@ -99,6 +99,7 @@ struct ffa_drv_info { void *tx_buffer; bool mem_ops_native; bool bitmap_created; + bool notif_enabled; unsigned int sched_recv_irq; unsigned int cpuhp_state; struct ffa_pcpu_irq __percpu *irq_pcpu; @@ -782,7 +783,7 @@ static void ffa_notification_info_get(void) if (ids_processed >= max_ids - 1) break; - part_id = packed_id_list[++ids_processed]; + part_id = packed_id_list[ids_processed++]; if (!ids_count[list]) { /* Global Notification */ __do_sched_recv_cb(part_id, 0, false); @@ -794,7 +795,7 @@ static void ffa_notification_info_get(void) if (ids_processed >= max_ids - 1) break; - vcpu_id = packed_id_list[++ids_processed]; + vcpu_id = packed_id_list[ids_processed++]; __do_sched_recv_cb(part_id, vcpu_id, true); } @@ -889,6 +890,8 @@ static int ffa_memory_lend(struct ffa_mem_ops_args *args) #define FFA_SECURE_PARTITION_ID_FLAG BIT(15) +#define ffa_notifications_disabled() (!drv_info->notif_enabled) + enum notify_type { NON_SECURE_VM, SECURE_PARTITION, @@ -908,6 +911,9 @@ static int ffa_sched_recv_cb_update(u16 part_id, ffa_sched_recv_cb callback, struct ffa_dev_part_info *partition; bool cb_valid; + if (ffa_notifications_disabled()) + return -EOPNOTSUPP; + partition = xa_load(&drv_info->partition_info, part_id); write_lock(&partition->rw_lock); @@ -1001,6 +1007,9 @@ static int ffa_notify_relinquish(struct ffa_device *dev, int notify_id) int rc; enum notify_type type = ffa_notify_type_get(dev->vm_id); + if (ffa_notifications_disabled()) + return -EOPNOTSUPP; + if (notify_id >= FFA_MAX_NOTIFICATIONS) return -EINVAL; @@ -1027,6 +1036,9 @@ static int ffa_notify_request(struct ffa_device *dev, bool is_per_vcpu, u32 flags = 0; enum notify_type type = ffa_notify_type_get(dev->vm_id); + if (ffa_notifications_disabled()) + return -EOPNOTSUPP; + if (notify_id >= FFA_MAX_NOTIFICATIONS) return -EINVAL; @@ -1057,6 +1069,9 @@ static int ffa_notify_send(struct ffa_device *dev, int notify_id, { u32 flags = 0; + if (ffa_notifications_disabled()) + return -EOPNOTSUPP; + if (is_per_vcpu) flags |= (PER_VCPU_NOTIFICATION_FLAG | vcpu << 16); @@ -1233,7 +1248,7 @@ static void ffa_partitions_cleanup(void) if (!count) return; - info = kcalloc(count, sizeof(**info), GFP_KERNEL); + info = kcalloc(count, sizeof(*info), GFP_KERNEL); if (!info) return; @@ -1311,8 +1326,10 @@ static int ffa_sched_recv_irq_map(void) static void ffa_sched_recv_irq_unmap(void) { - if (drv_info->sched_recv_irq) + if (drv_info->sched_recv_irq) { irq_dispose_mapping(drv_info->sched_recv_irq); + drv_info->sched_recv_irq = 0; + } } static int ffa_cpuhp_pcpu_irq_enable(unsigned int cpu) @@ -1329,17 +1346,23 @@ static int ffa_cpuhp_pcpu_irq_disable(unsigned int cpu) static void ffa_uninit_pcpu_irq(void) { - if (drv_info->cpuhp_state) + if (drv_info->cpuhp_state) { cpuhp_remove_state(drv_info->cpuhp_state); + drv_info->cpuhp_state = 0; + } - if (drv_info->notif_pcpu_wq) + if (drv_info->notif_pcpu_wq) { destroy_workqueue(drv_info->notif_pcpu_wq); + drv_info->notif_pcpu_wq = NULL; + } if (drv_info->sched_recv_irq) free_percpu_irq(drv_info->sched_recv_irq, drv_info->irq_pcpu); - if (drv_info->irq_pcpu) + if (drv_info->irq_pcpu) { free_percpu(drv_info->irq_pcpu); + drv_info->irq_pcpu = NULL; + } } static int ffa_init_pcpu_irq(unsigned int irq) @@ -1388,22 +1411,23 @@ static void ffa_notifications_cleanup(void) ffa_notification_bitmap_destroy(); drv_info->bitmap_created = false; } + drv_info->notif_enabled = false; } -static int ffa_notifications_setup(void) +static void ffa_notifications_setup(void) { int ret, irq; ret = ffa_features(FFA_NOTIFICATION_BITMAP_CREATE, 0, NULL, NULL); if (ret) { - pr_err("Notifications not supported, continuing with it ..\n"); - return 0; + pr_info("Notifications not supported, continuing with it ..\n"); + return; } ret = ffa_notification_bitmap_create(); if (ret) { - pr_err("notification_bitmap_create error %d\n", ret); - return ret; + pr_info("Notification bitmap create error %d\n", ret); + return; } drv_info->bitmap_created = true; @@ -1422,14 +1446,11 @@ static int ffa_notifications_setup(void) hash_init(drv_info->notifier_hash); mutex_init(&drv_info->notify_lock); - /* Register internal scheduling callback */ - ret = ffa_sched_recv_cb_update(drv_info->vm_id, ffa_self_notif_handle, - drv_info, true); - if (!ret) - return ret; + drv_info->notif_enabled = true; + return; cleanup: + pr_info("Notification setup failed %d, not enabled\n", ret); ffa_notifications_cleanup(); - return ret; } static int __init ffa_init(void) @@ -1483,17 +1504,18 @@ static int __init ffa_init(void) mutex_init(&drv_info->rx_lock); mutex_init(&drv_info->tx_lock); - ffa_setup_partitions(); - ffa_set_up_mem_ops_native_flag(); - ret = ffa_notifications_setup(); + ffa_notifications_setup(); + + ffa_setup_partitions(); + + ret = ffa_sched_recv_cb_update(drv_info->vm_id, ffa_self_notif_handle, + drv_info, true); if (ret) - goto partitions_cleanup; + pr_info("Failed to register driver sched callback %d\n", ret); return 0; -partitions_cleanup: - ffa_partitions_cleanup(); free_pages: if (drv_info->tx_buffer) free_pages_exact(drv_info->tx_buffer, RXTX_BUFFER_SIZE); diff --git a/drivers/firmware/arm_scmi/perf.c b/drivers/firmware/arm_scmi/perf.c index c2435be0ae1b..e11555de99ab 100644 --- a/drivers/firmware/arm_scmi/perf.c +++ b/drivers/firmware/arm_scmi/perf.c @@ -152,7 +152,7 @@ struct perf_dom_info { u32 opp_count; u32 sustained_freq_khz; u32 sustained_perf_level; - u32 mult_factor; + unsigned long mult_factor; struct scmi_perf_domain_info info; struct scmi_opp opp[MAX_OPPS]; struct scmi_fc_info *fc_info; @@ -268,13 +268,14 @@ scmi_perf_domain_attributes_get(const struct scmi_protocol_handle *ph, dom_info->sustained_perf_level = le32_to_cpu(attr->sustained_perf_level); if (!dom_info->sustained_freq_khz || - !dom_info->sustained_perf_level) + !dom_info->sustained_perf_level || + dom_info->level_indexing_mode) /* CPUFreq converts to kHz, hence default 1000 */ dom_info->mult_factor = 1000; else dom_info->mult_factor = - (dom_info->sustained_freq_khz * 1000) / - dom_info->sustained_perf_level; + (dom_info->sustained_freq_khz * 1000UL) + / dom_info->sustained_perf_level; strscpy(dom_info->info.name, attr->name, SCMI_SHORT_NAME_MAX_SIZE); } @@ -798,7 +799,7 @@ static int scmi_dvfs_device_opps_add(const struct scmi_protocol_handle *ph, if (!dom->level_indexing_mode) freq = dom->opp[idx].perf * dom->mult_factor; else - freq = dom->opp[idx].indicative_freq * 1000; + freq = dom->opp[idx].indicative_freq * dom->mult_factor; data.level = dom->opp[idx].perf; data.freq = freq; @@ -845,7 +846,8 @@ static int scmi_dvfs_freq_set(const struct scmi_protocol_handle *ph, u32 domain, } else { struct scmi_opp *opp; - opp = LOOKUP_BY_FREQ(dom->opps_by_freq, freq / 1000); + opp = LOOKUP_BY_FREQ(dom->opps_by_freq, + freq / dom->mult_factor); if (!opp) return -EIO; @@ -879,7 +881,7 @@ static int scmi_dvfs_freq_get(const struct scmi_protocol_handle *ph, u32 domain, if (!opp) return -EIO; - *freq = opp->indicative_freq * 1000; + *freq = opp->indicative_freq * dom->mult_factor; } return ret; @@ -902,7 +904,7 @@ static int scmi_dvfs_est_power_get(const struct scmi_protocol_handle *ph, if (!dom->level_indexing_mode) opp_freq = opp->perf * dom->mult_factor; else - opp_freq = opp->indicative_freq * 1000; + opp_freq = opp->indicative_freq * dom->mult_factor; if (opp_freq < *freq) continue; diff --git a/drivers/firmware/efi/libstub/loongarch-stub.c b/drivers/firmware/efi/libstub/loongarch-stub.c index 72c71ae201f0..d6ec5d4b8dbe 100644 --- a/drivers/firmware/efi/libstub/loongarch-stub.c +++ b/drivers/firmware/efi/libstub/loongarch-stub.c @@ -35,9 +35,9 @@ efi_status_t handle_kernel_image(unsigned long *image_addr, return status; } -unsigned long kernel_entry_address(void) +unsigned long kernel_entry_address(unsigned long kernel_addr) { unsigned long base = (unsigned long)&kernel_offset - kernel_offset; - return (unsigned long)&kernel_entry - base + VMLINUX_LOAD_ADDRESS; + return (unsigned long)&kernel_entry - base + kernel_addr; } diff --git a/drivers/firmware/efi/libstub/loongarch.c b/drivers/firmware/efi/libstub/loongarch.c index 807cba2693fc..0e0aa6cda73f 100644 --- a/drivers/firmware/efi/libstub/loongarch.c +++ b/drivers/firmware/efi/libstub/loongarch.c @@ -37,9 +37,9 @@ static efi_status_t exit_boot_func(struct efi_boot_memmap *map, void *priv) return EFI_SUCCESS; } -unsigned long __weak kernel_entry_address(void) +unsigned long __weak kernel_entry_address(unsigned long kernel_addr) { - return *(unsigned long *)(PHYSADDR(VMLINUX_LOAD_ADDRESS) + 8); + return *(unsigned long *)(kernel_addr + 8) - VMLINUX_LOAD_ADDRESS + kernel_addr; } efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image, @@ -73,7 +73,7 @@ efi_status_t efi_boot_kernel(void *handle, efi_loaded_image_t *image, csr_write64(CSR_DMW0_INIT, LOONGARCH_CSR_DMWIN0); csr_write64(CSR_DMW1_INIT, LOONGARCH_CSR_DMWIN1); - real_kernel_entry = (void *)kernel_entry_address(); + real_kernel_entry = (void *)kernel_entry_address(kernel_addr); real_kernel_entry(true, (unsigned long)cmdline_ptr, (unsigned long)efi_system_table); diff --git a/drivers/firmware/efi/libstub/x86-stub.c b/drivers/firmware/efi/libstub/x86-stub.c index 1bfdae34df39..da9b7b8d0716 100644 --- a/drivers/firmware/efi/libstub/x86-stub.c +++ b/drivers/firmware/efi/libstub/x86-stub.c @@ -307,17 +307,20 @@ static void setup_unaccepted_memory(void) efi_err("Memory acceptance protocol failed\n"); } +static efi_char16_t *efistub_fw_vendor(void) +{ + unsigned long vendor = efi_table_attr(efi_system_table, fw_vendor); + + return (efi_char16_t *)vendor; +} + static const efi_char16_t apple[] = L"Apple"; static void setup_quirks(struct boot_params *boot_params) { - efi_char16_t *fw_vendor = (efi_char16_t *)(unsigned long) - efi_table_attr(efi_system_table, fw_vendor); - - if (!memcmp(fw_vendor, apple, sizeof(apple))) { - if (IS_ENABLED(CONFIG_APPLE_PROPERTIES)) - retrieve_apple_device_properties(boot_params); - } + if (IS_ENABLED(CONFIG_APPLE_PROPERTIES) && + !memcmp(efistub_fw_vendor(), apple, sizeof(apple))) + retrieve_apple_device_properties(boot_params); } /* @@ -765,11 +768,25 @@ static efi_status_t efi_decompress_kernel(unsigned long *kernel_entry) if (IS_ENABLED(CONFIG_RANDOMIZE_BASE) && !efi_nokaslr) { u64 range = KERNEL_IMAGE_SIZE - LOAD_PHYSICAL_ADDR - kernel_total_size; + static const efi_char16_t ami[] = L"American Megatrends"; efi_get_seed(seed, sizeof(seed)); virt_addr += (range * seed[1]) >> 32; virt_addr &= ~(CONFIG_PHYSICAL_ALIGN - 1); + + /* + * Older Dell systems with AMI UEFI firmware v2.0 may hang + * while decompressing the kernel if physical address + * randomization is enabled. + * + * https://bugzilla.kernel.org/show_bug.cgi?id=218173 + */ + if (efi_system_table->hdr.revision <= EFI_2_00_SYSTEM_TABLE_REVISION && + !memcmp(efistub_fw_vendor(), ami, sizeof(ami))) { + efi_debug("AMI firmware v2.0 or older detected - disabling physical KASLR\n"); + seed[0] = 0; + } } status = efi_random_alloc(alloc_size, CONFIG_PHYSICAL_ALIGN, &addr, diff --git a/drivers/gpio/gpiolib-sysfs.c b/drivers/gpio/gpiolib-sysfs.c index 6f309a3b2d9a..12d853845bb8 100644 --- a/drivers/gpio/gpiolib-sysfs.c +++ b/drivers/gpio/gpiolib-sysfs.c @@ -474,14 +474,17 @@ static ssize_t export_store(const struct class *class, goto done; status = gpiod_set_transitory(desc, false); - if (!status) { - status = gpiod_export(desc, true); - if (status < 0) - gpiod_free(desc); - else - set_bit(FLAG_SYSFS, &desc->flags); + if (status) { + gpiod_free(desc); + goto done; } + status = gpiod_export(desc, true); + if (status < 0) + gpiod_free(desc); + else + set_bit(FLAG_SYSFS, &desc->flags); + done: if (status) pr_debug("%s: status %d\n", __func__, status); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 5c0817cbc7c2..8dee52ce26d0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -3791,10 +3791,6 @@ static void amdgpu_device_set_mcbp(struct amdgpu_device *adev) adev->gfx.mcbp = true; else if (amdgpu_mcbp == 0) adev->gfx.mcbp = false; - else if ((amdgpu_ip_version(adev, GC_HWIP, 0) >= IP_VERSION(9, 0, 0)) && - (amdgpu_ip_version(adev, GC_HWIP, 0) < IP_VERSION(10, 0, 0)) && - adev->gfx.num_gfx_rings) - adev->gfx.mcbp = true; if (amdgpu_sriov_vf(adev)) adev->gfx.mcbp = true; @@ -4520,8 +4516,6 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) amdgpu_ras_suspend(adev); - amdgpu_ttm_set_buffer_funcs_status(adev, false); - amdgpu_device_ip_suspend_phase1(adev); if (!adev->in_s0ix) @@ -4531,6 +4525,8 @@ int amdgpu_device_suspend(struct drm_device *dev, bool fbcon) if (r) return r; + amdgpu_ttm_set_buffer_funcs_status(adev, false); + amdgpu_fence_driver_hw_fini(adev); amdgpu_device_ip_suspend_phase2(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h index 2b488fcf2f95..e51e8918e667 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mca.h @@ -46,6 +46,8 @@ #define MCA_REG__STATUS__ERRORCODEEXT(x) MCA_REG_FIELD(x, 21, 16) #define MCA_REG__STATUS__ERRORCODE(x) MCA_REG_FIELD(x, 15, 0) +#define MCA_REG__SYND__ERRORINFORMATION(x) MCA_REG_FIELD(x, 17, 0) + enum amdgpu_mca_ip { AMDGPU_MCA_IP_UNKNOW = -1, AMDGPU_MCA_IP_PSP = 0, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c index d79b4ca1ecfc..5ad03f2afdb4 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -1343,6 +1343,8 @@ void amdgpu_bo_release_notify(struct ttm_buffer_object *bo) abo = ttm_to_amdgpu_bo(bo); + WARN_ON(abo->vm_bo); + if (abo->kfd_bo) amdgpu_amdkfd_release_notify(abo); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c index a3dc68e98910..63fb4cd85e53 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ras.c @@ -28,6 +28,7 @@ #include <linux/reboot.h> #include <linux/syscalls.h> #include <linux/pm_runtime.h> +#include <linux/list_sort.h> #include "amdgpu.h" #include "amdgpu_ras.h" @@ -3665,6 +3666,21 @@ static struct ras_err_node *amdgpu_ras_error_node_new(void) return err_node; } +static int ras_err_info_cmp(void *priv, const struct list_head *a, const struct list_head *b) +{ + struct ras_err_node *nodea = container_of(a, struct ras_err_node, node); + struct ras_err_node *nodeb = container_of(b, struct ras_err_node, node); + struct amdgpu_smuio_mcm_config_info *infoa = &nodea->err_info.mcm_info; + struct amdgpu_smuio_mcm_config_info *infob = &nodeb->err_info.mcm_info; + + if (unlikely(infoa->socket_id != infob->socket_id)) + return infoa->socket_id - infob->socket_id; + else + return infoa->die_id - infob->die_id; + + return 0; +} + static struct ras_err_info *amdgpu_ras_error_get_info(struct ras_err_data *err_data, struct amdgpu_smuio_mcm_config_info *mcm_info) { @@ -3682,6 +3698,7 @@ static struct ras_err_info *amdgpu_ras_error_get_info(struct ras_err_data *err_d err_data->err_list_count++; list_add_tail(&err_node->node, &err_data->err_node_list); + list_sort(NULL, &err_data->err_node_list, ras_err_info_cmp); return &err_node->err_info; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index a2287bb25223..a160265ddc07 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -642,13 +642,14 @@ static void amdgpu_vm_pt_free(struct amdgpu_vm_bo_base *entry) if (!entry->bo) return; + + entry->bo->vm_bo = NULL; shadow = amdgpu_bo_shadowed(entry->bo); if (shadow) { ttm_bo_set_bulk_move(&shadow->tbo, NULL); amdgpu_bo_unref(&shadow); } ttm_bo_set_bulk_move(&entry->bo->tbo, NULL); - entry->bo->vm_bo = NULL; spin_lock(&entry->vm->status_lock); list_del(&entry->vm_status); diff --git a/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c b/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c index 49e934975719..4db6bb73ead4 100644 --- a/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c +++ b/drivers/gpu/drm/amd/amdgpu/hdp_v4_0.c @@ -129,6 +129,11 @@ static void hdp_v4_0_get_clockgating_state(struct amdgpu_device *adev, { int data; + if (amdgpu_ip_version(adev, HDP_HWIP, 0) == IP_VERSION(4, 4, 2)) { + /* Default enabled */ + *flags |= AMD_CG_SUPPORT_HDP_MGCG; + return; + } /* AMD_CG_SUPPORT_HDP_LS */ data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS)); if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK) diff --git a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c index 9df011323d4b..6ede85b28cc8 100644 --- a/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c +++ b/drivers/gpu/drm/amd/amdgpu/jpeg_v4_0_5.c @@ -155,13 +155,6 @@ static int jpeg_v4_0_5_hw_init(void *handle) struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec; int r; - adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, - (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0); - - WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL, - ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT | - VCN_JPEG_DB_CTRL__EN_MASK); - r = amdgpu_ring_test_helper(ring); if (r) return r; @@ -336,6 +329,14 @@ static int jpeg_v4_0_5_start(struct amdgpu_device *adev) if (adev->pm.dpm_enabled) amdgpu_dpm_enable_jpeg(adev, true); + /* doorbell programming is done for every playback */ + adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, + (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0); + + WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL, + ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT | + VCN_JPEG_DB_CTRL__EN_MASK); + /* disable power gating */ r = jpeg_v4_0_5_disable_static_power_gating(adev); if (r) diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c index 3cf4684d0d3f..df1844d0800f 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v13_0.c @@ -60,7 +60,7 @@ MODULE_FIRMWARE("amdgpu/psp_14_0_0_ta.bin"); #define GFX_CMD_USB_PD_USE_LFB 0x480 /* Retry times for vmbx ready wait */ -#define PSP_VMBX_POLLING_LIMIT 20000 +#define PSP_VMBX_POLLING_LIMIT 3000 /* VBIOS gfl defines */ #define MBOX_READY_MASK 0x80000000 @@ -161,14 +161,18 @@ static int psp_v13_0_wait_for_vmbx_ready(struct psp_context *psp) static int psp_v13_0_wait_for_bootloader(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; - int retry_loop, ret; + int retry_loop, retry_cnt, ret; + retry_cnt = + (amdgpu_ip_version(adev, MP0_HWIP, 0) == IP_VERSION(13, 0, 6)) ? + PSP_VMBX_POLLING_LIMIT : + 10; /* Wait for bootloader to signify that it is ready having bit 31 of * C2PMSG_35 set to 1. All other bits are expected to be cleared. * If there is an error in processing command, bits[7:0] will be set. * This is applicable for PSP v13.0.6 and newer. */ - for (retry_loop = 0; retry_loop < PSP_VMBX_POLLING_LIMIT; retry_loop++) { + for (retry_loop = 0; retry_loop < retry_cnt; retry_loop++) { ret = psp_wait_for( psp, SOC15_REG_OFFSET(MP0, 0, regMP0_SMN_C2PMSG_35), 0x80000000, 0xffffffff, false); @@ -821,7 +825,7 @@ static int psp_v13_0_query_boot_status(struct psp_context *psp) if (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 6)) return 0; - if (RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_59) < 0x00a10007) + if (RREG32_SOC15(MP0, 0, regMP0_SMN_C2PMSG_59) < 0x00a10109) return 0; for_each_inst(i, inst_mask) { diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c index 45377a175250..8d5d86675a7f 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v2_4.c @@ -813,12 +813,12 @@ static int sdma_v2_4_early_init(void *handle) struct amdgpu_device *adev = (struct amdgpu_device *)handle; int r; + adev->sdma.num_instances = SDMA_MAX_INSTANCE; + r = sdma_v2_4_init_microcode(adev); if (r) return r; - adev->sdma.num_instances = SDMA_MAX_INSTANCE; - sdma_v2_4_set_ring_funcs(adev); sdma_v2_4_set_buffer_funcs(adev); sdma_v2_4_set_vm_pte_funcs(adev); diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c index 83c240f741b5..0058f3f7cf6e 100644 --- a/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c +++ b/drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c @@ -1643,6 +1643,32 @@ static void sdma_v5_2_get_clockgating_state(void *handle, u64 *flags) *flags |= AMD_CG_SUPPORT_SDMA_LS; } +static void sdma_v5_2_ring_begin_use(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + /* SDMA 5.2.3 (RMB) FW doesn't seem to properly + * disallow GFXOFF in some cases leading to + * hangs in SDMA. Disallow GFXOFF while SDMA is active. + * We can probably just limit this to 5.2.3, + * but it shouldn't hurt for other parts since + * this GFXOFF will be disallowed anyway when SDMA is + * active, this just makes it explicit. + */ + amdgpu_gfx_off_ctrl(adev, false); +} + +static void sdma_v5_2_ring_end_use(struct amdgpu_ring *ring) +{ + struct amdgpu_device *adev = ring->adev; + + /* SDMA 5.2.3 (RMB) FW doesn't seem to properly + * disallow GFXOFF in some cases leading to + * hangs in SDMA. Allow GFXOFF when SDMA is complete. + */ + amdgpu_gfx_off_ctrl(adev, true); +} + const struct amd_ip_funcs sdma_v5_2_ip_funcs = { .name = "sdma_v5_2", .early_init = sdma_v5_2_early_init, @@ -1690,6 +1716,8 @@ static const struct amdgpu_ring_funcs sdma_v5_2_ring_funcs = { .test_ib = sdma_v5_2_ring_test_ib, .insert_nop = sdma_v5_2_ring_insert_nop, .pad_ib = sdma_v5_2_ring_pad_ib, + .begin_use = sdma_v5_2_ring_begin_use, + .end_use = sdma_v5_2_ring_end_use, .emit_wreg = sdma_v5_2_ring_emit_wreg, .emit_reg_wait = sdma_v5_2_ring_emit_reg_wait, .emit_reg_write_reg_wait = sdma_v5_2_ring_emit_reg_write_reg_wait, diff --git a/drivers/gpu/drm/amd/amdgpu/soc15.c b/drivers/gpu/drm/amd/amdgpu/soc15.c index c82776e5e9aa..51342809af03 100644 --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1423,11 +1423,14 @@ static void soc15_common_get_clockgating_state(void *handle, u64 *flags) if (amdgpu_sriov_vf(adev)) *flags = 0; - adev->nbio.funcs->get_clockgating_state(adev, flags); + if (adev->nbio.funcs && adev->nbio.funcs->get_clockgating_state) + adev->nbio.funcs->get_clockgating_state(adev, flags); - adev->hdp.funcs->get_clock_gating_state(adev, flags); + if (adev->hdp.funcs && adev->hdp.funcs->get_clock_gating_state) + adev->hdp.funcs->get_clock_gating_state(adev, flags); - if (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 2)) { + if ((amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 2)) && + (amdgpu_ip_version(adev, MP0_HWIP, 0) != IP_VERSION(13, 0, 6))) { /* AMD_CG_SUPPORT_DRM_MGCG */ data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0)); if (!(data & 0x01000000)) @@ -1440,9 +1443,11 @@ static void soc15_common_get_clockgating_state(void *handle, u64 *flags) } /* AMD_CG_SUPPORT_ROM_MGCG */ - adev->smuio.funcs->get_clock_gating_state(adev, flags); + if (adev->smuio.funcs && adev->smuio.funcs->get_clock_gating_state) + adev->smuio.funcs->get_clock_gating_state(adev, flags); - adev->df.funcs->get_clockgating_state(adev, flags); + if (adev->df.funcs && adev->df.funcs->get_clockgating_state) + adev->df.funcs->get_clockgating_state(adev, flags); } static int soc15_common_set_powergating_state(void *handle, diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c index b452796fc6d3..c8c00c2a5224 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -5182,6 +5182,9 @@ static void fill_dc_dirty_rects(struct drm_plane *plane, if (plane->type == DRM_PLANE_TYPE_CURSOR) return; + if (new_plane_state->rotation != DRM_MODE_ROTATE_0) + goto ffu; + num_clips = drm_plane_get_damage_clips_count(new_plane_state); clips = drm_plane_get_damage_clips(new_plane_state); diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c index c7a29bb737e2..aac98f93545a 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_helpers.c @@ -63,6 +63,12 @@ static void apply_edid_quirks(struct edid *edid, struct dc_edid_caps *edid_caps) DRM_DEBUG_DRIVER("Disabling FAMS on monitor with panel id %X\n", panel_id); edid_caps->panel_patch.disable_fams = true; break; + /* Workaround for some monitors that do not clear DPCD 0x317 if FreeSync is unsupported */ + case drm_edid_encode_panel_id('A', 'U', 'O', 0xA7AB): + case drm_edid_encode_panel_id('A', 'U', 'O', 0xE69B): + DRM_DEBUG_DRIVER("Clearing DPCD 0x317 on monitor with panel id %X\n", panel_id); + edid_caps->panel_patch.remove_sink_ext_caps = true; + break; default: return; } diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c index 7cdb1a8a0ba0..6a96810a477e 100644 --- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c +++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser2.c @@ -2386,7 +2386,13 @@ static enum bp_result get_vram_info_v30( return BP_RESULT_BADBIOSTABLE; info->num_chans = info_v30->channel_num; - info->dram_channel_width_bytes = (1 << info_v30->channel_width) / 8; + /* As suggested by VBIOS we should always use + * dram_channel_width_bytes = 2 when using VRAM + * table version 3.0. This is because the channel_width + * param in the VRAM info table is changed in 7000 series and + * no longer represents the memory channel width. + */ + info->dram_channel_width_bytes = 2; return result; } diff --git a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h index 9649934ea186..e2a3aa8812df 100644 --- a/drivers/gpu/drm/amd/display/dc/dc_hw_types.h +++ b/drivers/gpu/drm/amd/display/dc/dc_hw_types.h @@ -465,6 +465,7 @@ struct dc_cursor_mi_param { struct fixed31_32 v_scale_ratio; enum dc_rotation_angle rotation; bool mirror; + struct dc_stream_state *stream; }; /* IPP related types */ diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c index 139cf31d2e45..89c3bf0fe0c9 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hubp.c @@ -1077,8 +1077,16 @@ void hubp2_cursor_set_position( if (src_y_offset < 0) src_y_offset = 0; /* Save necessary cursor info x, y position. w, h is saved in attribute func. */ - hubp->cur_rect.x = src_x_offset + param->viewport.x; - hubp->cur_rect.y = src_y_offset + param->viewport.y; + if (param->stream->link->psr_settings.psr_version >= DC_PSR_VERSION_SU_1 && + param->rotation != ROTATION_ANGLE_0) { + hubp->cur_rect.x = 0; + hubp->cur_rect.y = 0; + hubp->cur_rect.w = param->stream->timing.h_addressable; + hubp->cur_rect.h = param->stream->timing.v_addressable; + } else { + hubp->cur_rect.x = src_x_offset + param->viewport.x; + hubp->cur_rect.y = src_y_offset + param->viewport.y; + } } void hubp2_clk_cntl(struct hubp *hubp, bool enable) diff --git a/drivers/gpu/drm/amd/display/dc/dml/Makefile b/drivers/gpu/drm/amd/display/dc/dml/Makefile index ea7d60f9a9b4..6042a5a6a44f 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/Makefile +++ b/drivers/gpu/drm/amd/display/dc/dml/Makefile @@ -61,8 +61,12 @@ endif endif ifneq ($(CONFIG_FRAME_WARN),0) +ifeq ($(filter y,$(CONFIG_KASAN)$(CONFIG_KCSAN)),y) +frame_warn_flag := -Wframe-larger-than=3072 +else frame_warn_flag := -Wframe-larger-than=2048 endif +endif CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_lib.o := $(dml_ccflags) CFLAGS_$(AMDDALPATH)/dc/dml/display_mode_vba.o := $(dml_ccflags) diff --git a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c index 39cf1ae3a3e1..f154a3eb1d1a 100644 --- a/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c +++ b/drivers/gpu/drm/amd/display/dc/dml/dcn35/dcn35_fpu.c @@ -124,7 +124,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { .phyclk_mhz = 600.0, .phyclk_d18_mhz = 667.0, .dscclk_mhz = 186.0, - .dtbclk_mhz = 625.0, + .dtbclk_mhz = 600.0, }, { .state = 1, @@ -133,7 +133,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { .phyclk_mhz = 810.0, .phyclk_d18_mhz = 667.0, .dscclk_mhz = 209.0, - .dtbclk_mhz = 625.0, + .dtbclk_mhz = 600.0, }, { .state = 2, @@ -142,7 +142,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { .phyclk_mhz = 810.0, .phyclk_d18_mhz = 667.0, .dscclk_mhz = 209.0, - .dtbclk_mhz = 625.0, + .dtbclk_mhz = 600.0, }, { .state = 3, @@ -151,7 +151,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { .phyclk_mhz = 810.0, .phyclk_d18_mhz = 667.0, .dscclk_mhz = 371.0, - .dtbclk_mhz = 625.0, + .dtbclk_mhz = 600.0, }, { .state = 4, @@ -160,7 +160,7 @@ struct _vcs_dpi_soc_bounding_box_st dcn3_5_soc = { .phyclk_mhz = 810.0, .phyclk_d18_mhz = 667.0, .dscclk_mhz = 417.0, - .dtbclk_mhz = 625.0, + .dtbclk_mhz = 600.0, }, }, .num_states = 5, @@ -348,6 +348,8 @@ void dcn35_update_bw_bounding_box_fpu(struct dc *dc, clock_limits[i].socclk_mhz; dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].memclk_mhz = clk_table->entries[i].memclk_mhz * clk_table->entries[i].wck_ratio; + dc->dml2_options.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz = + clock_limits[i].dtbclk_mhz; dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dcfclk_levels = clk_table->num_entries; dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_fclk_levels = @@ -360,6 +362,8 @@ void dcn35_update_bw_bounding_box_fpu(struct dc *dc, clk_table->num_entries; dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_memclk_levels = clk_table->num_entries; + dc->dml2_options.bbox_overrides.clks_table.num_entries_per_clk.num_dtbclk_levels = + clk_table->num_entries; } } diff --git a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c index 59718ee33e51..180f8a98a361 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/display_mode_core.c @@ -6329,7 +6329,7 @@ static void dml_prefetch_check(struct display_mode_lib_st *mode_lib) mode_lib->ms.NoOfDPPThisState, mode_lib->ms.dpte_group_bytes, s->HostVMInefficiencyFactor, - mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024, + mode_lib->ms.soc.hostvm_min_page_size_kbytes, mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels); s->NextMaxVStartup = s->MaxVStartupAllPlanes[j]; @@ -6542,7 +6542,7 @@ static void dml_prefetch_check(struct display_mode_lib_st *mode_lib) mode_lib->ms.cache_display_cfg.plane.HostVMEnable, mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels, mode_lib->ms.cache_display_cfg.plane.GPUVMEnable, - mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024, + mode_lib->ms.soc.hostvm_min_page_size_kbytes, mode_lib->ms.PDEAndMetaPTEBytesPerFrame[j][k], mode_lib->ms.MetaRowBytes[j][k], mode_lib->ms.DPTEBytesPerRow[j][k], @@ -7687,7 +7687,7 @@ dml_bool_t dml_core_mode_support(struct display_mode_lib_st *mode_lib) CalculateVMRowAndSwath_params->HostVMMaxNonCachedPageTableLevels = mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels; CalculateVMRowAndSwath_params->GPUVMMaxPageTableLevels = mode_lib->ms.cache_display_cfg.plane.GPUVMMaxPageTableLevels; CalculateVMRowAndSwath_params->GPUVMMinPageSizeKBytes = mode_lib->ms.cache_display_cfg.plane.GPUVMMinPageSizeKBytes; - CalculateVMRowAndSwath_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024; + CalculateVMRowAndSwath_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes; CalculateVMRowAndSwath_params->PTEBufferModeOverrideEn = mode_lib->ms.cache_display_cfg.plane.PTEBufferModeOverrideEn; CalculateVMRowAndSwath_params->PTEBufferModeOverrideVal = mode_lib->ms.cache_display_cfg.plane.PTEBufferMode; CalculateVMRowAndSwath_params->PTEBufferSizeNotExceeded = mode_lib->ms.PTEBufferSizeNotExceededPerState; @@ -7957,7 +7957,7 @@ dml_bool_t dml_core_mode_support(struct display_mode_lib_st *mode_lib) UseMinimumDCFCLK_params->GPUVMMaxPageTableLevels = mode_lib->ms.cache_display_cfg.plane.GPUVMMaxPageTableLevels; UseMinimumDCFCLK_params->HostVMEnable = mode_lib->ms.cache_display_cfg.plane.HostVMEnable; UseMinimumDCFCLK_params->NumberOfActiveSurfaces = mode_lib->ms.num_active_planes; - UseMinimumDCFCLK_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024; + UseMinimumDCFCLK_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes; UseMinimumDCFCLK_params->HostVMMaxNonCachedPageTableLevels = mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels; UseMinimumDCFCLK_params->DynamicMetadataVMEnabled = mode_lib->ms.ip.dynamic_metadata_vm_enabled; UseMinimumDCFCLK_params->ImmediateFlipRequirement = s->ImmediateFlipRequiredFinal; @@ -8699,7 +8699,7 @@ void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struc CalculateVMRowAndSwath_params->HostVMMaxNonCachedPageTableLevels = mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels; CalculateVMRowAndSwath_params->GPUVMMaxPageTableLevels = mode_lib->ms.cache_display_cfg.plane.GPUVMMaxPageTableLevels; CalculateVMRowAndSwath_params->GPUVMMinPageSizeKBytes = mode_lib->ms.cache_display_cfg.plane.GPUVMMinPageSizeKBytes; - CalculateVMRowAndSwath_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024; + CalculateVMRowAndSwath_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes; CalculateVMRowAndSwath_params->PTEBufferModeOverrideEn = mode_lib->ms.cache_display_cfg.plane.PTEBufferModeOverrideEn; CalculateVMRowAndSwath_params->PTEBufferModeOverrideVal = mode_lib->ms.cache_display_cfg.plane.PTEBufferMode; CalculateVMRowAndSwath_params->PTEBufferSizeNotExceeded = s->dummy_boolean_array[0]; @@ -8805,7 +8805,7 @@ void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struc mode_lib->ms.cache_display_cfg.hw.DPPPerSurface, locals->dpte_group_bytes, s->HostVMInefficiencyFactor, - mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024, + mode_lib->ms.soc.hostvm_min_page_size_kbytes, mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels); locals->TCalc = 24.0 / locals->DCFCLKDeepSleep; @@ -8995,7 +8995,7 @@ void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struc CalculatePrefetchSchedule_params->GPUVMEnable = mode_lib->ms.cache_display_cfg.plane.GPUVMEnable; CalculatePrefetchSchedule_params->HostVMEnable = mode_lib->ms.cache_display_cfg.plane.HostVMEnable; CalculatePrefetchSchedule_params->HostVMMaxNonCachedPageTableLevels = mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels; - CalculatePrefetchSchedule_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024; + CalculatePrefetchSchedule_params->HostVMMinPageSize = mode_lib->ms.soc.hostvm_min_page_size_kbytes; CalculatePrefetchSchedule_params->DynamicMetadataEnable = mode_lib->ms.cache_display_cfg.plane.DynamicMetadataEnable[k]; CalculatePrefetchSchedule_params->DynamicMetadataVMEnabled = mode_lib->ms.ip.dynamic_metadata_vm_enabled; CalculatePrefetchSchedule_params->DynamicMetadataLinesBeforeActiveRequired = mode_lib->ms.cache_display_cfg.plane.DynamicMetadataLinesBeforeActiveRequired[k]; @@ -9240,7 +9240,7 @@ void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struc mode_lib->ms.cache_display_cfg.plane.HostVMEnable, mode_lib->ms.cache_display_cfg.plane.HostVMMaxPageTableLevels, mode_lib->ms.cache_display_cfg.plane.GPUVMEnable, - mode_lib->ms.soc.hostvm_min_page_size_kbytes * 1024, + mode_lib->ms.soc.hostvm_min_page_size_kbytes, locals->PDEAndMetaPTEBytesFrame[k], locals->MetaRowByte[k], locals->PixelPTEBytesPerRow[k], @@ -9447,12 +9447,12 @@ void dml_core_mode_programming(struct display_mode_lib_st *mode_lib, const struc // Output CalculateWatermarks_params->Watermark = &s->dummy_watermark; // Watermarks *Watermark - CalculateWatermarks_params->DRAMClockChangeSupport = &mode_lib->ms.support.DRAMClockChangeSupport[j]; + CalculateWatermarks_params->DRAMClockChangeSupport = &mode_lib->ms.support.DRAMClockChangeSupport[0]; CalculateWatermarks_params->MaxActiveDRAMClockChangeLatencySupported = &s->dummy_single_array[0][0]; // dml_float_t *MaxActiveDRAMClockChangeLatencySupported[] CalculateWatermarks_params->SubViewportLinesNeededInMALL = &mode_lib->ms.SubViewportLinesNeededInMALL[j]; // dml_uint_t SubViewportLinesNeededInMALL[] - CalculateWatermarks_params->FCLKChangeSupport = &mode_lib->ms.support.FCLKChangeSupport[j]; + CalculateWatermarks_params->FCLKChangeSupport = &mode_lib->ms.support.FCLKChangeSupport[0]; CalculateWatermarks_params->MaxActiveFCLKChangeLatencySupported = &s->dummy_single[0]; // dml_float_t *MaxActiveFCLKChangeLatencySupported - CalculateWatermarks_params->USRRetrainingSupport = &mode_lib->ms.support.USRRetrainingSupport[j]; + CalculateWatermarks_params->USRRetrainingSupport = &mode_lib->ms.support.USRRetrainingSupport[0]; CalculateWatermarksMALLUseAndDRAMSpeedChangeSupport( &mode_lib->scratch, diff --git a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c index fa8fe5bf7e57..db06a5b749b4 100644 --- a/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c +++ b/drivers/gpu/drm/amd/display/dc/dml2/dml2_translation_helper.c @@ -423,8 +423,9 @@ void dml2_init_soc_states(struct dml2_context *dml2, const struct dc *in_dc, } for (i = 0; i < dml2->config.bbox_overrides.clks_table.num_entries_per_clk.num_dtbclk_levels; i++) { - p->in_states->state_array[i].dtbclk_mhz = - dml2->config.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz; + if (dml2->config.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz > 0) + p->in_states->state_array[i].dtbclk_mhz = + dml2->config.bbox_overrides.clks_table.clk_entries[i].dtbclk_mhz; } for (i = 0; i < dml2->config.bbox_overrides.clks_table.num_entries_per_clk.num_dispclk_levels; i++) { diff --git a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c index 2b8b8366538e..cdb903116eb7 100644 --- a/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/hwss/dcn10/dcn10_hwseq.c @@ -3417,7 +3417,8 @@ void dcn10_set_cursor_position(struct pipe_ctx *pipe_ctx) .h_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.horz, .v_scale_ratio = pipe_ctx->plane_res.scl_data.ratios.vert, .rotation = pipe_ctx->plane_state->rotation, - .mirror = pipe_ctx->plane_state->horizontal_mirror + .mirror = pipe_ctx->plane_state->horizontal_mirror, + .stream = pipe_ctx->stream, }; bool pipe_split_on = false; bool odm_combine_on = (pipe_ctx->next_odm_pipe != NULL) || diff --git a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c index 996e4ee99023..e5cfaaef70b3 100644 --- a/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c +++ b/drivers/gpu/drm/amd/display/dc/link/protocols/link_edp_panel_control.c @@ -287,8 +287,8 @@ bool set_default_brightness_aux(struct dc_link *link) if (link && link->dpcd_sink_ext_caps.bits.oled == 1) { if (!read_default_bl_aux(link, &default_backlight)) default_backlight = 150000; - // if > 5000, it might be wrong readback - if (default_backlight > 5000000) + // if < 1 nits or > 5000, it might be wrong readback + if (default_backlight < 1000 || default_backlight > 5000000) default_backlight = 150000; return edp_set_backlight_level_nits(link, true, diff --git a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c index a522a7c02911..1675314a3ff2 100644 --- a/drivers/gpu/drm/amd/display/modules/power/power_helpers.c +++ b/drivers/gpu/drm/amd/display/modules/power/power_helpers.c @@ -839,6 +839,8 @@ bool is_psr_su_specific_panel(struct dc_link *link) ((dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x08) || (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x07))) isPSRSUSupported = false; + else if (dpcd_caps->sink_dev_id_str[1] == 0x08 && dpcd_caps->sink_dev_id_str[0] == 0x03) + isPSRSUSupported = false; else if (dpcd_caps->psr_info.force_psrsu_cap == 0x1) isPSRSUSupported = true; } diff --git a/drivers/gpu/drm/amd/include/kgd_pp_interface.h b/drivers/gpu/drm/amd/include/kgd_pp_interface.h index 0d1209f2cf31..1c5049e894e3 100644 --- a/drivers/gpu/drm/amd/include/kgd_pp_interface.h +++ b/drivers/gpu/drm/amd/include/kgd_pp_interface.h @@ -1085,6 +1085,10 @@ struct gpu_metrics_v3_0 { uint16_t average_dram_reads; /* time filtered DRAM write bandwidth [MB/sec] */ uint16_t average_dram_writes; + /* time filtered IPU read bandwidth [MB/sec] */ + uint16_t average_ipu_reads; + /* time filtered IPU write bandwidth [MB/sec] */ + uint16_t average_ipu_writes; /* Driver attached timestamp (in ns) */ uint64_t system_clock_counter; @@ -1104,6 +1108,8 @@ struct gpu_metrics_v3_0 { uint32_t average_all_core_power; /* calculated core power [mW] */ uint16_t average_core_power[16]; + /* time filtered total system power [mW] */ + uint16_t average_sys_power; /* maximum IRM defined STAPM power limit [mW] */ uint16_t stapm_power_limit; /* time filtered STAPM power limit [mW] */ @@ -1116,6 +1122,8 @@ struct gpu_metrics_v3_0 { uint16_t average_ipuclk_frequency; uint16_t average_fclk_frequency; uint16_t average_vclk_frequency; + uint16_t average_uclk_frequency; + uint16_t average_mpipu_frequency; /* Current clocks */ /* target core frequency [MHz] */ @@ -1125,6 +1133,15 @@ struct gpu_metrics_v3_0 { /* GFXCLK frequency limit enforced on GFX [MHz] */ uint16_t current_gfx_maxfreq; + /* Throttle Residency (ASIC dependent) */ + uint32_t throttle_residency_prochot; + uint32_t throttle_residency_spl; + uint32_t throttle_residency_fppt; + uint32_t throttle_residency_sppt; + uint32_t throttle_residency_thm_core; + uint32_t throttle_residency_thm_gfx; + uint32_t throttle_residency_thm_soc; + /* Metrics table alpha filter time constant [us] */ uint32_t time_filter_alphavalue; }; diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index ca2ece24e1e0..49028dde0f87 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2198,10 +2198,10 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_ } else if (DEVICE_ATTR_IS(xgmi_plpd_policy)) { if (amdgpu_dpm_get_xgmi_plpd_mode(adev, NULL) == XGMI_PLPD_NONE) *states = ATTR_STATE_UNSUPPORTED; - } else if (DEVICE_ATTR_IS(pp_dpm_mclk_od)) { + } else if (DEVICE_ATTR_IS(pp_mclk_od)) { if (amdgpu_dpm_get_mclk_od(adev) == -EOPNOTSUPP) *states = ATTR_STATE_UNSUPPORTED; - } else if (DEVICE_ATTR_IS(pp_dpm_sclk_od)) { + } else if (DEVICE_ATTR_IS(pp_sclk_od)) { if (amdgpu_dpm_get_sclk_od(adev) == -EOPNOTSUPP) *states = ATTR_STATE_UNSUPPORTED; } else if (DEVICE_ATTR_IS(apu_thermal_cap)) { diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h index 23fa71cafb14..f8b2e6cc2568 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h @@ -1408,6 +1408,16 @@ typedef enum { METRICS_PCIE_WIDTH, METRICS_CURR_FANPWM, METRICS_CURR_SOCKETPOWER, + METRICS_AVERAGE_VPECLK, + METRICS_AVERAGE_IPUCLK, + METRICS_AVERAGE_MPIPUCLK, + METRICS_THROTTLER_RESIDENCY_PROCHOT, + METRICS_THROTTLER_RESIDENCY_SPL, + METRICS_THROTTLER_RESIDENCY_FPPT, + METRICS_THROTTLER_RESIDENCY_SPPT, + METRICS_THROTTLER_RESIDENCY_THM_CORE, + METRICS_THROTTLER_RESIDENCY_THM_GFX, + METRICS_THROTTLER_RESIDENCY_THM_SOC, } MetricsMember_t; enum smu_cmn2asic_mapping_type { diff --git a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h index 22f88842a7fd..8f42771e1f0a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h +++ b/drivers/gpu/drm/amd/pm/swsmu/inc/pmfw_if/smu14_driver_if_v14_0_0.h @@ -27,7 +27,7 @@ // *** IMPORTANT *** // SMU TEAM: Always increment the interface version if // any structure is changed in this file -#define PMFW_DRIVER_IF_VERSION 6 +#define PMFW_DRIVER_IF_VERSION 7 typedef struct { int32_t value; @@ -150,37 +150,50 @@ typedef struct { } DpmClocks_t; typedef struct { - uint16_t CoreFrequency[16]; //Target core frequency [MHz] - uint16_t CorePower[16]; //CAC calculated core power [mW] - uint16_t CoreTemperature[16]; //TSEN measured core temperature [centi-C] - uint16_t GfxTemperature; //TSEN measured GFX temperature [centi-C] - uint16_t SocTemperature; //TSEN measured SOC temperature [centi-C] - uint16_t StapmOpnLimit; //Maximum IRM defined STAPM power limit [mW] - uint16_t StapmCurrentLimit; //Time filtered STAPM power limit [mW] - uint16_t InfrastructureCpuMaxFreq; //CCLK frequency limit enforced on classic cores [MHz] - uint16_t InfrastructureGfxMaxFreq; //GFXCLK frequency limit enforced on GFX [MHz] - uint16_t SkinTemp; //Maximum skin temperature reported by APU and HS2 chassis sensors [centi-C] - uint16_t GfxclkFrequency; //Time filtered target GFXCLK frequency [MHz] - uint16_t FclkFrequency; //Time filtered target FCLK frequency [MHz] - uint16_t GfxActivity; //Time filtered GFX busy % [0-100] - uint16_t SocclkFrequency; //Time filtered target SOCCLK frequency [MHz] - uint16_t VclkFrequency; //Time filtered target VCLK frequency [MHz] - uint16_t VcnActivity; //Time filtered VCN busy % [0-100] - uint16_t VpeclkFrequency; //Time filtered target VPECLK frequency [MHz] - uint16_t IpuclkFrequency; //Time filtered target IPUCLK frequency [MHz] - uint16_t IpuBusy[8]; //Time filtered IPU per-column busy % [0-100] - uint16_t DRAMReads; //Time filtered DRAM read bandwidth [MB/sec] - uint16_t DRAMWrites; //Time filtered DRAM write bandwidth [MB/sec] - uint16_t CoreC0Residency[16]; //Time filtered per-core C0 residency % [0-100] - uint16_t IpuPower; //Time filtered IPU power [mW] - uint32_t ApuPower; //Time filtered APU power [mW] - uint32_t GfxPower; //Time filtered GFX power [mW] - uint32_t dGpuPower; //Time filtered dGPU power [mW] - uint32_t SocketPower; //Time filtered power used for PPT/STAPM [APU+dGPU] [mW] - uint32_t AllCorePower; //Time filtered sum of core power across all cores in the socket [mW] - uint32_t FilterAlphaValue; //Metrics table alpha filter time constant [us] - uint32_t MetricsCounter; //Counter that is incremented on every metrics table update [PM_TIMER cycles] - uint32_t spare[16]; + uint16_t CoreFrequency[16]; //Target core frequency [MHz] + uint16_t CorePower[16]; //CAC calculated core power [mW] + uint16_t CoreTemperature[16]; //TSEN measured core temperature [centi-C] + uint16_t GfxTemperature; //TSEN measured GFX temperature [centi-C] + uint16_t SocTemperature; //TSEN measured SOC temperature [centi-C] + uint16_t StapmOpnLimit; //Maximum IRM defined STAPM power limit [mW] + uint16_t StapmCurrentLimit; //Time filtered STAPM power limit [mW] + uint16_t InfrastructureCpuMaxFreq; //CCLK frequency limit enforced on classic cores [MHz] + uint16_t InfrastructureGfxMaxFreq; //GFXCLK frequency limit enforced on GFX [MHz] + uint16_t SkinTemp; //Maximum skin temperature reported by APU and HS2 chassis sensors [centi-C] + uint16_t GfxclkFrequency; //Time filtered target GFXCLK frequency [MHz] + uint16_t FclkFrequency; //Time filtered target FCLK frequency [MHz] + uint16_t GfxActivity; //Time filtered GFX busy % [0-100] + uint16_t SocclkFrequency; //Time filtered target SOCCLK frequency [MHz] + uint16_t VclkFrequency; //Time filtered target VCLK frequency [MHz] + uint16_t VcnActivity; //Time filtered VCN busy % [0-100] + uint16_t VpeclkFrequency; //Time filtered target VPECLK frequency [MHz] + uint16_t IpuclkFrequency; //Time filtered target IPUCLK frequency [MHz] + uint16_t IpuBusy[8]; //Time filtered IPU per-column busy % [0-100] + uint16_t DRAMReads; //Time filtered DRAM read bandwidth [MB/sec] + uint16_t DRAMWrites; //Time filtered DRAM write bandwidth [MB/sec] + uint16_t CoreC0Residency[16]; //Time filtered per-core C0 residency % [0-100] + uint16_t IpuPower; //Time filtered IPU power [mW] + uint32_t ApuPower; //Time filtered APU power [mW] + uint32_t GfxPower; //Time filtered GFX power [mW] + uint32_t dGpuPower; //Time filtered dGPU power [mW] + uint32_t SocketPower; //Time filtered power used for PPT/STAPM [APU+dGPU] [mW] + uint32_t AllCorePower; //Time filtered sum of core power across all cores in the socket [mW] + uint32_t FilterAlphaValue; //Metrics table alpha filter time constant [us] + uint32_t MetricsCounter; //Counter that is incremented on every metrics table update [PM_TIMER cycles] + uint16_t MemclkFrequency; //Time filtered target MEMCLK frequency [MHz] + uint16_t MpipuclkFrequency; //Time filtered target MPIPUCLK frequency [MHz] + uint16_t IpuReads; //Time filtered IPU read bandwidth [MB/sec] + uint16_t IpuWrites; //Time filtered IPU write bandwidth [MB/sec] + uint32_t ThrottleResidency_PROCHOT; //Counter that is incremented on every metrics table update when PROCHOT was engaged [PM_TIMER cycles] + uint32_t ThrottleResidency_SPL; //Counter that is incremented on every metrics table update when SPL was engaged [PM_TIMER cycles] + uint32_t ThrottleResidency_FPPT; //Counter that is incremented on every metrics table update when fast PPT was engaged [PM_TIMER cycles] + uint32_t ThrottleResidency_SPPT; //Counter that is incremented on every metrics table update when slow PPT was engaged [PM_TIMER cycles] + uint32_t ThrottleResidency_THM_CORE; //Counter that is incremented on every metrics table update when CORE thermal throttling was engaged [PM_TIMER cycles] + uint32_t ThrottleResidency_THM_GFX; //Counter that is incremented on every metrics table update when GFX thermal throttling was engaged [PM_TIMER cycles] + uint32_t ThrottleResidency_THM_SOC; //Counter that is incremented on every metrics table update when SOC thermal throttling was engaged [PM_TIMER cycles] + uint16_t Psys; //Time filtered Psys power [mW] + uint16_t spare1; + uint32_t spare[6]; } SmuMetrics_t; //ISP tile definitions diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c index 0e5a77c3c2e2..900a2d9e6d85 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c @@ -2593,13 +2593,20 @@ static bool mca_gfx_smu_bank_is_valid(const struct mca_ras_info *mca_ras, struct static bool mca_smu_bank_is_valid(const struct mca_ras_info *mca_ras, struct amdgpu_device *adev, enum amdgpu_mca_error_type type, struct mca_bank_entry *entry) { + struct smu_context *smu = adev->powerplay.pp_handle; uint32_t errcode, instlo; instlo = REG_GET_FIELD(entry->regs[MCA_REG_IDX_IPID], MCMP1_IPIDT0, InstanceIdLo); if (instlo != 0x03b30400) return false; - errcode = REG_GET_FIELD(entry->regs[MCA_REG_IDX_STATUS], MCMP1_STATUST0, ErrorCode); + if (!(adev->flags & AMD_IS_APU) && smu->smc_fw_version >= 0x00555600) { + errcode = MCA_REG__SYND__ERRORINFORMATION(entry->regs[MCA_REG_IDX_SYND]); + errcode &= 0xff; + } else { + errcode = REG_GET_FIELD(entry->regs[MCA_REG_IDX_STATUS], MCMP1_STATUST0, ErrorCode); + } + return mca_smu_check_error_code(adev, mca_ras, errcode); } diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c index 03b38c3a9968..94ccdbfd7090 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu14/smu_v14_0_0_ppt.c @@ -246,11 +246,20 @@ static int smu_v14_0_0_get_smu_metrics_data(struct smu_context *smu, *value = 0; break; case METRICS_AVERAGE_UCLK: - *value = 0; + *value = metrics->MemclkFrequency; break; case METRICS_AVERAGE_FCLK: *value = metrics->FclkFrequency; break; + case METRICS_AVERAGE_VPECLK: + *value = metrics->VpeclkFrequency; + break; + case METRICS_AVERAGE_IPUCLK: + *value = metrics->IpuclkFrequency; + break; + case METRICS_AVERAGE_MPIPUCLK: + *value = metrics->MpipuclkFrequency; + break; case METRICS_AVERAGE_GFXACTIVITY: *value = metrics->GfxActivity / 100; break; @@ -270,8 +279,26 @@ static int smu_v14_0_0_get_smu_metrics_data(struct smu_context *smu, *value = metrics->SocTemperature / 100 * SMU_TEMPERATURE_UNITS_PER_CENTIGRADES; break; - case METRICS_THROTTLER_STATUS: - *value = 0; + case METRICS_THROTTLER_RESIDENCY_PROCHOT: + *value = metrics->ThrottleResidency_PROCHOT; + break; + case METRICS_THROTTLER_RESIDENCY_SPL: + *value = metrics->ThrottleResidency_SPL; + break; + case METRICS_THROTTLER_RESIDENCY_FPPT: + *value = metrics->ThrottleResidency_FPPT; + break; + case METRICS_THROTTLER_RESIDENCY_SPPT: + *value = metrics->ThrottleResidency_SPPT; + break; + case METRICS_THROTTLER_RESIDENCY_THM_CORE: + *value = metrics->ThrottleResidency_THM_CORE; + break; + case METRICS_THROTTLER_RESIDENCY_THM_GFX: + *value = metrics->ThrottleResidency_THM_GFX; + break; + case METRICS_THROTTLER_RESIDENCY_THM_SOC: + *value = metrics->ThrottleResidency_THM_SOC; break; case METRICS_VOLTAGE_VDDGFX: *value = 0; @@ -498,6 +525,8 @@ static ssize_t smu_v14_0_0_get_gpu_metrics(struct smu_context *smu, sizeof(uint16_t) * 16); gpu_metrics->average_dram_reads = metrics.DRAMReads; gpu_metrics->average_dram_writes = metrics.DRAMWrites; + gpu_metrics->average_ipu_reads = metrics.IpuReads; + gpu_metrics->average_ipu_writes = metrics.IpuWrites; gpu_metrics->average_socket_power = metrics.SocketPower; gpu_metrics->average_ipu_power = metrics.IpuPower; @@ -505,6 +534,7 @@ static ssize_t smu_v14_0_0_get_gpu_metrics(struct smu_context *smu, gpu_metrics->average_gfx_power = metrics.GfxPower; gpu_metrics->average_dgpu_power = metrics.dGpuPower; gpu_metrics->average_all_core_power = metrics.AllCorePower; + gpu_metrics->average_sys_power = metrics.Psys; memcpy(&gpu_metrics->average_core_power[0], &metrics.CorePower[0], sizeof(uint16_t) * 16); @@ -515,6 +545,8 @@ static ssize_t smu_v14_0_0_get_gpu_metrics(struct smu_context *smu, gpu_metrics->average_fclk_frequency = metrics.FclkFrequency; gpu_metrics->average_vclk_frequency = metrics.VclkFrequency; gpu_metrics->average_ipuclk_frequency = metrics.IpuclkFrequency; + gpu_metrics->average_uclk_frequency = metrics.MemclkFrequency; + gpu_metrics->average_mpipu_frequency = metrics.MpipuclkFrequency; memcpy(&gpu_metrics->current_coreclk[0], &metrics.CoreFrequency[0], @@ -522,6 +554,14 @@ static ssize_t smu_v14_0_0_get_gpu_metrics(struct smu_context *smu, gpu_metrics->current_core_maxfreq = metrics.InfrastructureCpuMaxFreq; gpu_metrics->current_gfx_maxfreq = metrics.InfrastructureGfxMaxFreq; + gpu_metrics->throttle_residency_prochot = metrics.ThrottleResidency_PROCHOT; + gpu_metrics->throttle_residency_spl = metrics.ThrottleResidency_SPL; + gpu_metrics->throttle_residency_fppt = metrics.ThrottleResidency_FPPT; + gpu_metrics->throttle_residency_sppt = metrics.ThrottleResidency_SPPT; + gpu_metrics->throttle_residency_thm_core = metrics.ThrottleResidency_THM_CORE; + gpu_metrics->throttle_residency_thm_gfx = metrics.ThrottleResidency_THM_GFX; + gpu_metrics->throttle_residency_thm_soc = metrics.ThrottleResidency_THM_SOC; + gpu_metrics->time_filter_alphavalue = metrics.FilterAlphaValue; gpu_metrics->system_clock_counter = ktime_get_boottime_ns(); diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index ba82a1142adf..3e6a4e2044c0 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -313,6 +313,7 @@ config DRM_TOSHIBA_TC358768 select REGMAP_I2C select DRM_PANEL select DRM_MIPI_DSI + select VIDEOMODE_HELPERS help Toshiba TC358768AXBG/TC358778XBG DSI bridge chip driver. diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c index 2444fc33dd7c..68ffcc0b00dc 100644 --- a/drivers/gpu/drm/drm_atomic_helper.c +++ b/drivers/gpu/drm/drm_atomic_helper.c @@ -2012,7 +2012,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, return ret; drm_atomic_helper_async_commit(dev, state); - drm_atomic_helper_cleanup_planes(dev, state); + drm_atomic_helper_unprepare_planes(dev, state); return 0; } @@ -2072,7 +2072,7 @@ int drm_atomic_helper_commit(struct drm_device *dev, return 0; err: - drm_atomic_helper_cleanup_planes(dev, state); + drm_atomic_helper_unprepare_planes(dev, state); return ret; } EXPORT_SYMBOL(drm_atomic_helper_commit); @@ -2650,6 +2650,39 @@ fail_prepare_fb: } EXPORT_SYMBOL(drm_atomic_helper_prepare_planes); +/** + * drm_atomic_helper_unprepare_planes - release plane resources on aborts + * @dev: DRM device + * @state: atomic state object with old state structures + * + * This function cleans up plane state, specifically framebuffers, from the + * atomic state. It undoes the effects of drm_atomic_helper_prepare_planes() + * when aborting an atomic commit. For cleaning up after a successful commit + * use drm_atomic_helper_cleanup_planes(). + */ +void drm_atomic_helper_unprepare_planes(struct drm_device *dev, + struct drm_atomic_state *state) +{ + struct drm_plane *plane; + struct drm_plane_state *new_plane_state; + int i; + + for_each_new_plane_in_state(state, plane, new_plane_state, i) { + const struct drm_plane_helper_funcs *funcs = plane->helper_private; + + if (funcs->end_fb_access) + funcs->end_fb_access(plane, new_plane_state); + } + + for_each_new_plane_in_state(state, plane, new_plane_state, i) { + const struct drm_plane_helper_funcs *funcs = plane->helper_private; + + if (funcs->cleanup_fb) + funcs->cleanup_fb(plane, new_plane_state); + } +} +EXPORT_SYMBOL(drm_atomic_helper_unprepare_planes); + static bool plane_crtc_active(const struct drm_plane_state *state) { return state->crtc && state->crtc->state->active; @@ -2784,6 +2817,17 @@ void drm_atomic_helper_commit_planes(struct drm_device *dev, funcs->atomic_flush(crtc, old_state); } + + /* + * Signal end of framebuffer access here before hw_done. After hw_done, + * a later commit might have already released the plane state. + */ + for_each_old_plane_in_state(old_state, plane, old_plane_state, i) { + const struct drm_plane_helper_funcs *funcs = plane->helper_private; + + if (funcs->end_fb_access) + funcs->end_fb_access(plane, old_plane_state); + } } EXPORT_SYMBOL(drm_atomic_helper_commit_planes); @@ -2911,40 +2955,22 @@ EXPORT_SYMBOL(drm_atomic_helper_disable_planes_on_crtc); * configuration. Hence the old configuration must be perserved in @old_state to * be able to call this function. * - * This function must also be called on the new state when the atomic update - * fails at any point after calling drm_atomic_helper_prepare_planes(). + * This function may not be called on the new state when the atomic update + * fails at any point after calling drm_atomic_helper_prepare_planes(). Use + * drm_atomic_helper_unprepare_planes() in this case. */ void drm_atomic_helper_cleanup_planes(struct drm_device *dev, struct drm_atomic_state *old_state) { struct drm_plane *plane; - struct drm_plane_state *old_plane_state, *new_plane_state; + struct drm_plane_state *old_plane_state; int i; - for_each_oldnew_plane_in_state(old_state, plane, old_plane_state, new_plane_state, i) { + for_each_old_plane_in_state(old_state, plane, old_plane_state, i) { const struct drm_plane_helper_funcs *funcs = plane->helper_private; - if (funcs->end_fb_access) - funcs->end_fb_access(plane, new_plane_state); - } - - for_each_oldnew_plane_in_state(old_state, plane, old_plane_state, new_plane_state, i) { - const struct drm_plane_helper_funcs *funcs; - struct drm_plane_state *plane_state; - - /* - * This might be called before swapping when commit is aborted, - * in which case we have to cleanup the new state. - */ - if (old_plane_state == plane->state) - plane_state = new_plane_state; - else - plane_state = old_plane_state; - - funcs = plane->helper_private; - if (funcs->cleanup_fb) - funcs->cleanup_fb(plane, plane_state); + funcs->cleanup_fb(plane, old_plane_state); } } EXPORT_SYMBOL(drm_atomic_helper_cleanup_planes); diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index 2ed2585ded37..6899b3dc1f12 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -236,7 +236,7 @@ static int drm_master_check_perm(struct drm_device *dev, struct drm_file *file_priv) { if (file_priv->was_master && - rcu_access_pointer(file_priv->pid) == task_pid(current)) + rcu_access_pointer(file_priv->pid) == task_tgid(current)) return 0; if (!capable(CAP_SYS_ADMIN)) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index df9bf3c9206e..cb90e70d85e8 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -715,8 +715,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, struct drm_mode_set set; uint32_t __user *set_connectors_ptr; struct drm_modeset_acquire_ctx ctx; - int ret; - int i; + int ret, i, num_connectors = 0; if (!drm_core_check_feature(dev, DRIVER_MODESET)) return -EOPNOTSUPP; @@ -871,6 +870,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, connector->name); connector_set[i] = connector; + num_connectors++; } } @@ -879,7 +879,7 @@ int drm_mode_setcrtc(struct drm_device *dev, void *data, set.y = crtc_req->y; set.mode = mode; set.connectors = connector_set; - set.num_connectors = crtc_req->count_connectors; + set.num_connectors = num_connectors; set.fb = fb; if (drm_drv_uses_atomic_modeset(dev)) @@ -892,7 +892,7 @@ out: drm_framebuffer_put(fb); if (connector_set) { - for (i = 0; i < crtc_req->count_connectors; i++) { + for (i = 0; i < num_connectors; i++) { if (connector_set[i]) drm_connector_put(connector_set[i]); } diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 39db08f803ea..3b4065099872 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -2309,7 +2309,8 @@ int drm_edid_override_connector_update(struct drm_connector *connector) override = drm_edid_override_get(connector); if (override) { - num_modes = drm_edid_connector_update(connector, override); + if (drm_edid_connector_update(connector, override) == 0) + num_modes = drm_edid_connector_add_modes(connector); drm_edid_free(override); diff --git a/drivers/gpu/drm/exynos/exynos_drm_dma.c b/drivers/gpu/drm/exynos/exynos_drm_dma.c index a971590b8132..e2c7373f20c6 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dma.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dma.c @@ -107,18 +107,16 @@ int exynos_drm_register_dma(struct drm_device *drm, struct device *dev, return 0; if (!priv->mapping) { - void *mapping; + void *mapping = NULL; if (IS_ENABLED(CONFIG_ARM_DMA_USE_IOMMU)) mapping = arm_iommu_create_mapping(&platform_bus_type, EXYNOS_DEV_ADDR_START, EXYNOS_DEV_ADDR_SIZE); else if (IS_ENABLED(CONFIG_IOMMU_DMA)) mapping = iommu_get_domain_for_dev(priv->dma_dev); - else - mapping = ERR_PTR(-ENODEV); - if (IS_ERR(mapping)) - return PTR_ERR(mapping); + if (!mapping) + return -ENODEV; priv->mapping = mapping; } diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index f3aaa4ea3e68..dd9903eab563 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -1861,6 +1861,8 @@ static int hdmi_bind(struct device *dev, struct device *master, void *data) return ret; crtc = exynos_drm_crtc_get_by_type(drm_dev, EXYNOS_DISPLAY_TYPE_HDMI); + if (IS_ERR(crtc)) + return PTR_ERR(crtc); crtc->pipe_clk = &hdata->phy_clk; ret = hdmi_create_connector(encoder); diff --git a/drivers/gpu/drm/i915/display/icl_dsi.c b/drivers/gpu/drm/i915/display/icl_dsi.c index c4585e445198..67143a0f5189 100644 --- a/drivers/gpu/drm/i915/display/icl_dsi.c +++ b/drivers/gpu/drm/i915/display/icl_dsi.c @@ -1440,6 +1440,13 @@ static void gen11_dsi_post_disable(struct intel_atomic_state *state, static enum drm_mode_status gen11_dsi_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_i915_private *i915 = to_i915(connector->dev); + enum drm_mode_status status; + + status = intel_cpu_transcoder_mode_valid(i915, mode); + if (status != MODE_OK) + return status; + /* FIXME: DSC? */ return intel_dsi_mode_valid(connector, mode); } diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index 913e5d230a4d..6f6b348b8a40 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -348,8 +348,13 @@ intel_crt_mode_valid(struct drm_connector *connector, struct drm_device *dev = connector->dev; struct drm_i915_private *dev_priv = to_i915(dev); int max_dotclk = dev_priv->max_dotclk_freq; + enum drm_mode_status status; int max_clock; + status = intel_cpu_transcoder_mode_valid(dev_priv, mode); + if (status != MODE_OK) + return status; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index a2a806262c9e..63ba4d54a715 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -906,12 +906,18 @@ static bool needs_async_flip_vtd_wa(const struct intel_crtc_state *crtc_state) static bool planes_enabling(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { + if (!new_crtc_state->hw.active) + return false; + return is_enabling(active_planes, old_crtc_state, new_crtc_state); } static bool planes_disabling(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { + if (!old_crtc_state->hw.active) + return false; + return is_disabling(active_planes, old_crtc_state, new_crtc_state); } @@ -928,6 +934,9 @@ static bool vrr_params_changed(const struct intel_crtc_state *old_crtc_state, static bool vrr_enabling(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { + if (!new_crtc_state->hw.active) + return false; + return is_enabling(vrr.enable, old_crtc_state, new_crtc_state) || (new_crtc_state->vrr.enable && (new_crtc_state->update_m_n || new_crtc_state->update_lrr || @@ -937,6 +946,9 @@ static bool vrr_enabling(const struct intel_crtc_state *old_crtc_state, static bool vrr_disabling(const struct intel_crtc_state *old_crtc_state, const struct intel_crtc_state *new_crtc_state) { + if (!old_crtc_state->hw.active) + return false; + return is_disabling(vrr.enable, old_crtc_state, new_crtc_state) || (old_crtc_state->vrr.enable && (new_crtc_state->update_m_n || new_crtc_state->update_lrr || @@ -7476,7 +7488,7 @@ int intel_atomic_commit(struct drm_device *dev, struct drm_atomic_state *_state, for_each_new_intel_crtc_in_state(state, crtc, new_crtc_state, i) intel_color_cleanup_commit(new_crtc_state); - drm_atomic_helper_cleanup_planes(dev, &state->base); + drm_atomic_helper_unprepare_planes(dev, &state->base); intel_runtime_pm_put(&dev_priv->runtime_pm, state->wakeref); return ret; } @@ -7857,6 +7869,16 @@ enum drm_mode_status intel_mode_valid(struct drm_device *dev, mode->vtotal > vtotal_max) return MODE_V_ILLEGAL; + return MODE_OK; +} + +enum drm_mode_status intel_cpu_transcoder_mode_valid(struct drm_i915_private *dev_priv, + const struct drm_display_mode *mode) +{ + /* + * Additional transcoder timing limits, + * excluding BXT/GLK DSI transcoders. + */ if (DISPLAY_VER(dev_priv) >= 5) { if (mode->hdisplay < 64 || mode->htotal - mode->hdisplay < 32) diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index 0e5dffe8f018..a05c7e2b782e 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -403,6 +403,9 @@ enum drm_mode_status intel_mode_valid_max_plane_size(struct drm_i915_private *dev_priv, const struct drm_display_mode *mode, bool bigjoiner); +enum drm_mode_status +intel_cpu_transcoder_mode_valid(struct drm_i915_private *i915, + const struct drm_display_mode *mode); enum phy intel_port_to_phy(struct drm_i915_private *i915, enum port port); bool is_trans_port_sync_mode(const struct intel_crtc_state *state); bool is_trans_port_sync_master(const struct intel_crtc_state *state); diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index 2852958dd4e7..b21bcd40f111 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1172,6 +1172,10 @@ intel_dp_mode_valid(struct drm_connector *_connector, enum drm_mode_status status; bool dsc = false, bigjoiner = false; + status = intel_cpu_transcoder_mode_valid(dev_priv, mode); + if (status != MODE_OK) + return status; + if (mode->flags & DRM_MODE_FLAG_DBLCLK) return MODE_H_ILLEGAL; diff --git a/drivers/gpu/drm/i915/display/intel_dp_link_training.c b/drivers/gpu/drm/i915/display/intel_dp_link_training.c index dbc1b66c8ee4..1abfafbbfa75 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/display/intel_dp_link_training.c @@ -650,19 +650,30 @@ intel_dp_update_link_bw_set(struct intel_dp *intel_dp, const struct intel_crtc_state *crtc_state, u8 link_bw, u8 rate_select) { - u8 link_config[2]; + u8 lane_count = crtc_state->lane_count; - /* Write the link configuration data */ - link_config[0] = link_bw; - link_config[1] = crtc_state->lane_count; if (crtc_state->enhanced_framing) - link_config[1] |= DP_LANE_COUNT_ENHANCED_FRAME_EN; - drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_BW_SET, link_config, 2); + lane_count |= DP_LANE_COUNT_ENHANCED_FRAME_EN; + + if (link_bw) { + /* DP and eDP v1.3 and earlier link bw set method. */ + u8 link_config[] = { link_bw, lane_count }; - /* eDP 1.4 rate select method. */ - if (!link_bw) - drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_RATE_SET, - &rate_select, 1); + drm_dp_dpcd_write(&intel_dp->aux, DP_LINK_BW_SET, link_config, + ARRAY_SIZE(link_config)); + } else { + /* + * eDP v1.4 and later link rate set method. + * + * eDP v1.4x sinks shall ignore DP_LINK_RATE_SET if + * DP_LINK_BW_SET is set. Avoid writing DP_LINK_BW_SET. + * + * eDP v1.5 sinks allow choosing either, and the last choice + * shall be active. + */ + drm_dp_dpcd_writeb(&intel_dp->aux, DP_LANE_COUNT_SET, lane_count); + drm_dp_dpcd_writeb(&intel_dp->aux, DP_LINK_RATE_SET, rate_select); + } } /* diff --git a/drivers/gpu/drm/i915/display/intel_dp_mst.c b/drivers/gpu/drm/i915/display/intel_dp_mst.c index 851b312bd844..aa1061262613 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_mst.c +++ b/drivers/gpu/drm/i915/display/intel_dp_mst.c @@ -959,6 +959,10 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, return 0; } + *status = intel_cpu_transcoder_mode_valid(dev_priv, mode); + if (*status != MODE_OK) + return 0; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) { *status = MODE_NO_DBLESCAN; return 0; @@ -993,6 +997,10 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, if (intel_dp_need_bigjoiner(intel_dp, mode->hdisplay, target_clock)) { bigjoiner = true; max_dotclk *= 2; + + /* TODO: add support for bigjoiner */ + *status = MODE_CLOCK_HIGH; + return 0; } if (DISPLAY_VER(dev_priv) >= 10 && @@ -1027,11 +1035,15 @@ intel_dp_mst_mode_valid_ctx(struct drm_connector *connector, * Big joiner configuration needs DSC for TGL which is not true for * XE_LPD where uncompressed joiner is supported. */ - if (DISPLAY_VER(dev_priv) < 13 && bigjoiner && !dsc) - return MODE_CLOCK_HIGH; + if (DISPLAY_VER(dev_priv) < 13 && bigjoiner && !dsc) { + *status = MODE_CLOCK_HIGH; + return 0; + } - if (mode_rate > max_rate && !dsc) - return MODE_CLOCK_HIGH; + if (mode_rate > max_rate && !dsc) { + *status = MODE_CLOCK_HIGH; + return 0; + } *status = intel_mode_valid_max_plane_size(dev_priv, mode, false); return 0; diff --git a/drivers/gpu/drm/i915/display/intel_dsb.c b/drivers/gpu/drm/i915/display/intel_dsb.c index 78b6fe24dcd8..7fd6280c54a7 100644 --- a/drivers/gpu/drm/i915/display/intel_dsb.c +++ b/drivers/gpu/drm/i915/display/intel_dsb.c @@ -340,7 +340,7 @@ static int intel_dsb_dewake_scanline(const struct intel_crtc_state *crtc_state) } static void _intel_dsb_commit(struct intel_dsb *dsb, u32 ctrl, - unsigned int dewake_scanline) + int dewake_scanline) { struct intel_crtc *crtc = dsb->crtc; struct drm_i915_private *dev_priv = to_i915(crtc->base.dev); diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c index 55d6743374bd..9111e9d46486 100644 --- a/drivers/gpu/drm/i915/display/intel_dvo.c +++ b/drivers/gpu/drm/i915/display/intel_dvo.c @@ -217,11 +217,17 @@ intel_dvo_mode_valid(struct drm_connector *_connector, struct drm_display_mode *mode) { struct intel_connector *connector = to_intel_connector(_connector); + struct drm_i915_private *i915 = to_i915(connector->base.dev); struct intel_dvo *intel_dvo = intel_attached_dvo(connector); const struct drm_display_mode *fixed_mode = intel_panel_fixed_mode(connector, mode); int max_dotclk = to_i915(connector->base.dev)->max_dotclk_freq; int target_clock = mode->clock; + enum drm_mode_status status; + + status = intel_cpu_transcoder_mode_valid(i915, mode); + if (status != MODE_OK) + return status; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; diff --git a/drivers/gpu/drm/i915/display/intel_fb.c b/drivers/gpu/drm/i915/display/intel_fb.c index 19b35ece31f1..646f367a13f5 100644 --- a/drivers/gpu/drm/i915/display/intel_fb.c +++ b/drivers/gpu/drm/i915/display/intel_fb.c @@ -1374,7 +1374,8 @@ plane_view_scanout_stride(const struct intel_framebuffer *fb, int color_plane, struct drm_i915_private *i915 = to_i915(fb->base.dev); unsigned int stride_tiles; - if (IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14) + if ((IS_ALDERLAKE_P(i915) || DISPLAY_VER(i915) >= 14) && + src_stride_tiles < dst_stride_tiles) stride_tiles = src_stride_tiles; else stride_tiles = dst_stride_tiles; @@ -1501,8 +1502,20 @@ static u32 calc_plane_remap_info(const struct intel_framebuffer *fb, int color_p size += remap_info->size; } else { - unsigned int dst_stride = plane_view_dst_stride_tiles(fb, color_plane, - remap_info->width); + unsigned int dst_stride; + + /* + * The hardware automagically calculates the CCS AUX surface + * stride from the main surface stride so can't really remap a + * smaller subset (unless we'd remap in whole AUX page units). + */ + if (intel_fb_needs_pot_stride_remap(fb) && + intel_fb_is_ccs_modifier(fb->base.modifier)) + dst_stride = remap_info->src_stride; + else + dst_stride = remap_info->width; + + dst_stride = plane_view_dst_stride_tiles(fb, color_plane, dst_stride); assign_chk_ovf(i915, remap_info->dst_stride, dst_stride); color_plane_info->mapping_stride = dst_stride * diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c index ac315f8e7820..bfa456fa7d25 100644 --- a/drivers/gpu/drm/i915/display/intel_hdmi.c +++ b/drivers/gpu/drm/i915/display/intel_hdmi.c @@ -1983,6 +1983,10 @@ intel_hdmi_mode_valid(struct drm_connector *connector, bool ycbcr_420_only; enum intel_output_format sink_format; + status = intel_cpu_transcoder_mode_valid(dev_priv, mode); + if (status != MODE_OK) + return status; + if ((mode->flags & DRM_MODE_FLAG_3D_MASK) == DRM_MODE_FLAG_3D_FRAME_PACKING) clock *= 2; diff --git a/drivers/gpu/drm/i915/display/intel_lvds.c b/drivers/gpu/drm/i915/display/intel_lvds.c index 2a4ca7e65775..bcbdd1984fd9 100644 --- a/drivers/gpu/drm/i915/display/intel_lvds.c +++ b/drivers/gpu/drm/i915/display/intel_lvds.c @@ -389,11 +389,16 @@ intel_lvds_mode_valid(struct drm_connector *_connector, struct drm_display_mode *mode) { struct intel_connector *connector = to_intel_connector(_connector); + struct drm_i915_private *i915 = to_i915(connector->base.dev); const struct drm_display_mode *fixed_mode = intel_panel_fixed_mode(connector, mode); int max_pixclk = to_i915(connector->base.dev)->max_dotclk_freq; enum drm_mode_status status; + status = intel_cpu_transcoder_mode_valid(i915, mode); + if (status != MODE_OK) + return status; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index a636f42ceae5..a9ac7d45d1f3 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -1921,13 +1921,19 @@ static enum drm_mode_status intel_sdvo_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_i915_private *i915 = to_i915(connector->dev); struct intel_sdvo *intel_sdvo = intel_attached_sdvo(to_intel_connector(connector)); struct intel_sdvo_connector *intel_sdvo_connector = to_intel_sdvo_connector(connector); - int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; bool has_hdmi_sink = intel_has_hdmi_sink(intel_sdvo_connector, connector->state); + int max_dotclk = i915->max_dotclk_freq; + enum drm_mode_status status; int clock = mode->clock; + status = intel_cpu_transcoder_mode_valid(i915, mode); + if (status != MODE_OK) + return status; + if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; diff --git a/drivers/gpu/drm/i915/display/intel_tv.c b/drivers/gpu/drm/i915/display/intel_tv.c index 31a79fdfc812..2ee4f0d95851 100644 --- a/drivers/gpu/drm/i915/display/intel_tv.c +++ b/drivers/gpu/drm/i915/display/intel_tv.c @@ -958,8 +958,14 @@ static enum drm_mode_status intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode) { + struct drm_i915_private *i915 = to_i915(connector->dev); const struct tv_mode *tv_mode = intel_tv_mode_find(connector->state); - int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; + int max_dotclk = i915->max_dotclk_freq; + enum drm_mode_status status; + + status = intel_cpu_transcoder_mode_valid(i915, mode); + if (status != MODE_OK) + return status; if (mode->flags & DRM_MODE_FLAG_DBLSCAN) return MODE_NO_DBLESCAN; diff --git a/drivers/gpu/drm/i915/display/skl_scaler.c b/drivers/gpu/drm/i915/display/skl_scaler.c index 1e7c97243fcf..8a934bada624 100644 --- a/drivers/gpu/drm/i915/display/skl_scaler.c +++ b/drivers/gpu/drm/i915/display/skl_scaler.c @@ -504,7 +504,6 @@ int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv, { struct drm_plane *plane = NULL; struct intel_plane *intel_plane; - struct intel_plane_state *plane_state = NULL; struct intel_crtc_scaler_state *scaler_state = &crtc_state->scaler_state; struct drm_atomic_state *drm_state = crtc_state->uapi.state; @@ -536,6 +535,7 @@ int intel_atomic_setup_scalers(struct drm_i915_private *dev_priv, /* walkthrough scaler_users bits and start assigning scalers */ for (i = 0; i < sizeof(scaler_state->scaler_users) * 8; i++) { + struct intel_plane_state *plane_state = NULL; int *scaler_id; const char *name; int idx, ret; diff --git a/drivers/gpu/drm/i915/display/vlv_dsi.c b/drivers/gpu/drm/i915/display/vlv_dsi.c index 55da627a8b8d..f488394d3108 100644 --- a/drivers/gpu/drm/i915/display/vlv_dsi.c +++ b/drivers/gpu/drm/i915/display/vlv_dsi.c @@ -1541,9 +1541,25 @@ static const struct drm_encoder_funcs intel_dsi_funcs = { .destroy = intel_dsi_encoder_destroy, }; +static enum drm_mode_status vlv_dsi_mode_valid(struct drm_connector *connector, + struct drm_display_mode *mode) +{ + struct drm_i915_private *i915 = to_i915(connector->dev); + + if (IS_VALLEYVIEW(i915) || IS_CHERRYVIEW(i915)) { + enum drm_mode_status status; + + status = intel_cpu_transcoder_mode_valid(i915, mode); + if (status != MODE_OK) + return status; + } + + return intel_dsi_mode_valid(connector, mode); +} + static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs = { .get_modes = intel_dsi_get_modes, - .mode_valid = intel_dsi_mode_valid, + .mode_valid = vlv_dsi_mode_valid, .atomic_check = intel_digital_connector_atomic_check, }; diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c index d5ed904f355d..6801f8b95c53 100644 --- a/drivers/gpu/drm/i915/gt/intel_reset.c +++ b/drivers/gpu/drm/i915/gt/intel_reset.c @@ -1293,7 +1293,7 @@ int __intel_engine_reset_bh(struct intel_engine_cs *engine, const char *msg) if (msg) drm_notice(&engine->i915->drm, "Resetting %s for %s\n", engine->name, msg); - atomic_inc(&engine->i915->gpu_error.reset_engine_count[engine->uabi_class]); + i915_increase_reset_engine_count(&engine->i915->gpu_error, engine); ret = intel_gt_reset_engine(engine); if (ret) { diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c index d37698bd6b91..17df71117cc7 100644 --- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c @@ -5001,7 +5001,8 @@ static void capture_error_state(struct intel_guc *guc, if (match) { intel_engine_set_hung_context(e, ce); engine_mask |= e->mask; - atomic_inc(&i915->gpu_error.reset_engine_count[e->uabi_class]); + i915_increase_reset_engine_count(&i915->gpu_error, + e); } } @@ -5013,7 +5014,7 @@ static void capture_error_state(struct intel_guc *guc, } else { intel_engine_set_hung_context(ce->engine, ce); engine_mask = ce->engine->mask; - atomic_inc(&i915->gpu_error.reset_engine_count[ce->engine->uabi_class]); + i915_increase_reset_engine_count(&i915->gpu_error, ce->engine); } with_intel_runtime_pm(&i915->runtime_pm, wakeref) diff --git a/drivers/gpu/drm/i915/i915_gpu_error.h b/drivers/gpu/drm/i915/i915_gpu_error.h index 9f5971f5e980..48f6c00402c4 100644 --- a/drivers/gpu/drm/i915/i915_gpu_error.h +++ b/drivers/gpu/drm/i915/i915_gpu_error.h @@ -16,6 +16,7 @@ #include "display/intel_display_device.h" #include "gt/intel_engine.h" +#include "gt/intel_engine_types.h" #include "gt/intel_gt_types.h" #include "gt/uc/intel_uc_fw.h" @@ -232,7 +233,7 @@ struct i915_gpu_error { atomic_t reset_count; /** Number of times an engine has been reset */ - atomic_t reset_engine_count[I915_NUM_ENGINES]; + atomic_t reset_engine_count[MAX_ENGINE_CLASS]; }; struct drm_i915_error_state_buf { @@ -255,7 +256,14 @@ static inline u32 i915_reset_count(struct i915_gpu_error *error) static inline u32 i915_reset_engine_count(struct i915_gpu_error *error, const struct intel_engine_cs *engine) { - return atomic_read(&error->reset_engine_count[engine->uabi_class]); + return atomic_read(&error->reset_engine_count[engine->class]); +} + +static inline void +i915_increase_reset_engine_count(struct i915_gpu_error *error, + const struct intel_engine_cs *engine) +{ + atomic_inc(&error->reset_engine_count[engine->class]); } #define CORE_DUMP_FLAG_NONE 0x0 diff --git a/drivers/gpu/drm/i915/selftests/igt_live_test.c b/drivers/gpu/drm/i915/selftests/igt_live_test.c index 4ddc6d902752..7d41874a49c5 100644 --- a/drivers/gpu/drm/i915/selftests/igt_live_test.c +++ b/drivers/gpu/drm/i915/selftests/igt_live_test.c @@ -37,8 +37,9 @@ int igt_live_test_begin(struct igt_live_test *t, } for_each_engine(engine, gt, id) - t->reset_engine[id] = - i915_reset_engine_count(&i915->gpu_error, engine); + t->reset_engine[i][id] = + i915_reset_engine_count(&i915->gpu_error, + engine); } t->reset_global = i915_reset_count(&i915->gpu_error); @@ -66,14 +67,14 @@ int igt_live_test_end(struct igt_live_test *t) for_each_gt(gt, i915, i) { for_each_engine(engine, gt, id) { - if (t->reset_engine[id] == + if (t->reset_engine[i][id] == i915_reset_engine_count(&i915->gpu_error, engine)) continue; gt_err(gt, "%s(%s): engine '%s' was reset %d times!\n", t->func, t->name, engine->name, i915_reset_engine_count(&i915->gpu_error, engine) - - t->reset_engine[id]); + t->reset_engine[i][id]); return -EIO; } } diff --git a/drivers/gpu/drm/i915/selftests/igt_live_test.h b/drivers/gpu/drm/i915/selftests/igt_live_test.h index 36ed42736c52..83e3ad430922 100644 --- a/drivers/gpu/drm/i915/selftests/igt_live_test.h +++ b/drivers/gpu/drm/i915/selftests/igt_live_test.h @@ -7,6 +7,7 @@ #ifndef IGT_LIVE_TEST_H #define IGT_LIVE_TEST_H +#include "gt/intel_gt_defines.h" /* for I915_MAX_GT */ #include "gt/intel_engine.h" /* for I915_NUM_ENGINES */ struct drm_i915_private; @@ -17,7 +18,7 @@ struct igt_live_test { const char *name; unsigned int reset_global; - unsigned int reset_engine[I915_NUM_ENGINES]; + unsigned int reset_engine[I915_MAX_GT][I915_NUM_ENGINES]; }; /* diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c index f81dc34c9c3e..c1bc8b00d938 100644 --- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c +++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c @@ -203,7 +203,7 @@ void mtk_gamma_set(struct device *dev, struct drm_crtc_state *state) /* Disable RELAY mode to pass the processed image */ cfg_val &= ~GAMMA_RELAY_MODE; - cfg_val = readl(gamma->regs + DISP_GAMMA_CFG); + writel(cfg_val, gamma->regs + DISP_GAMMA_CFG); } void mtk_gamma_config(struct device *dev, unsigned int w, diff --git a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c index c277b9fae950..db43f9dff912 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_crtc.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_crtc.c @@ -788,6 +788,7 @@ static void mtk_drm_crtc_atomic_begin(struct drm_crtc *crtc, crtc); struct mtk_crtc_state *mtk_crtc_state = to_mtk_crtc_state(crtc_state); struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + unsigned long flags; if (mtk_crtc->event && mtk_crtc_state->base.event) DRM_ERROR("new event while there is still a pending event\n"); @@ -795,7 +796,11 @@ static void mtk_drm_crtc_atomic_begin(struct drm_crtc *crtc, if (mtk_crtc_state->base.event) { mtk_crtc_state->base.event->pipe = drm_crtc_index(crtc); WARN_ON(drm_crtc_vblank_get(crtc) != 0); + + spin_lock_irqsave(&crtc->dev->event_lock, flags); mtk_crtc->event = mtk_crtc_state->base.event; + spin_unlock_irqrestore(&crtc->dev->event_lock, flags); + mtk_crtc_state->base.event = NULL; } } @@ -921,7 +926,14 @@ static int mtk_drm_crtc_init_comp_planes(struct drm_device *drm_dev, struct device *mtk_drm_crtc_dma_dev_get(struct drm_crtc *crtc) { - struct mtk_drm_crtc *mtk_crtc = to_mtk_crtc(crtc); + struct mtk_drm_crtc *mtk_crtc = NULL; + + if (!crtc) + return NULL; + + mtk_crtc = to_mtk_crtc(crtc); + if (!mtk_crtc) + return NULL; return mtk_crtc->dma_dev; } diff --git a/drivers/gpu/drm/mediatek/mtk_drm_drv.c b/drivers/gpu/drm/mediatek/mtk_drm_drv.c index 2dfaa613276a..2b0c35cacbc6 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_drv.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_drv.c @@ -443,6 +443,7 @@ static int mtk_drm_kms_init(struct drm_device *drm) struct mtk_drm_private *private = drm->dev_private; struct mtk_drm_private *priv_n; struct device *dma_dev = NULL; + struct drm_crtc *crtc; int ret, i, j; if (drm_firmware_drivers_only()) @@ -519,7 +520,9 @@ static int mtk_drm_kms_init(struct drm_device *drm) } /* Use OVL device for all DMA memory allocations */ - dma_dev = mtk_drm_crtc_dma_dev_get(drm_crtc_from_index(drm, 0)); + crtc = drm_crtc_from_index(drm, 0); + if (crtc) + dma_dev = mtk_drm_crtc_dma_dev_get(crtc); if (!dma_dev) { ret = -ENODEV; dev_err(drm->dev, "Need at least one OVL device\n"); diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c index 7840b6428afb..118807e38422 100644 --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c @@ -2474,7 +2474,7 @@ nv50_disp_atomic_commit(struct drm_device *dev, err_cleanup: if (ret) - drm_atomic_helper_cleanup_planes(dev, state); + drm_atomic_helper_unprepare_planes(dev, state); done: pm_runtime_put_autosuspend(dev->dev); return ret; diff --git a/drivers/gpu/drm/nouveau/include/nvrm/535.113.01/common/shared/msgq/inc/msgq/msgq_priv.h b/drivers/gpu/drm/nouveau/include/nvrm/535.113.01/common/shared/msgq/inc/msgq/msgq_priv.h index 5a2f273d95c8..0e32e71e123f 100644 --- a/drivers/gpu/drm/nouveau/include/nvrm/535.113.01/common/shared/msgq/inc/msgq/msgq_priv.h +++ b/drivers/gpu/drm/nouveau/include/nvrm/535.113.01/common/shared/msgq/inc/msgq/msgq_priv.h @@ -26,6 +26,49 @@ * DEALINGS IN THE SOFTWARE. */ +/** + * msgqTxHeader -- TX queue data structure + * @version: the version of this structure, must be 0 + * @size: the size of the entire queue, including this header + * @msgSize: the padded size of queue element, 16 is minimum + * @msgCount: the number of elements in this queue + * @writePtr: head index of this queue + * @flags: 1 = swap the RX pointers + * @rxHdrOff: offset of readPtr in this structure + * @entryOff: offset of beginning of queue (msgqRxHeader), relative to + * beginning of this structure + * + * The command queue is a queue of RPCs that are sent from the driver to the + * GSP. The status queue is a queue of messages/responses from GSP-RM to the + * driver. Although the driver allocates memory for both queues, the command + * queue is owned by the driver and the status queue is owned by GSP-RM. In + * addition, the headers of the two queues must not share the same 4K page. + * + * Each queue is prefixed with this data structure. The idea is that a queue + * and its header are written to only by their owner. That is, only the + * driver writes to the command queue and command queue header, and only the + * GSP writes to the status (receive) queue and its header. + * + * This is enforced by the concept of "swapping" the RX pointers. This is + * why the 'flags' field must be set to 1. 'rxHdrOff' is how the GSP knows + * where the where the tail pointer of its status queue. + * + * When the driver writes a new RPC to the command queue, it updates writePtr. + * When it reads a new message from the status queue, it updates readPtr. In + * this way, the GSP knows when a new command is in the queue (it polls + * writePtr) and it knows how much free space is in the status queue (it + * checks readPtr). The driver never cares about how much free space is in + * the status queue. + * + * As usual, producers write to the head pointer, and consumers read from the + * tail pointer. When head == tail, the queue is empty. + * + * So to summarize: + * command.writePtr = head of command queue + * command.readPtr = tail of status queue + * status.writePtr = head of status queue + * status.readPtr = tail of command queue + */ typedef struct { NvU32 version; // queue version @@ -38,6 +81,14 @@ typedef struct NvU32 entryOff; // Offset of entries from start of backing store. } msgqTxHeader; +/** + * msgqRxHeader - RX queue data structure + * @readPtr: tail index of the other queue + * + * Although this is a separate struct, it could easily be merged into + * msgqTxHeader. msgqTxHeader.rxHdrOff is simply the offset of readPtr + * from the beginning of msgqTxHeader. + */ typedef struct { NvU32 readPtr; // message id of last message read diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c index e4279f1772a1..377d0e0cef84 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/uoutp.c @@ -385,7 +385,7 @@ nvkm_uoutp_mthd_inherit(struct nvkm_outp *outp, void *argv, u32 argc) /* Ensure an ior is hooked up to this outp already */ ior = outp->func->inherit(outp); - if (!ior) + if (!ior || !ior->arm.head) return -ENODEV; /* With iors, there will be a separate output path for each type of connector - and all of diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c index f6725a5f5bfb..44fb86841c05 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/gsp/r535.c @@ -1377,6 +1377,13 @@ r535_gsp_msg_post_event(void *priv, u32 fn, void *repv, u32 repc) return 0; } +/** + * r535_gsp_msg_run_cpu_sequencer() -- process I/O commands from the GSP + * + * The GSP sequencer is a list of I/O commands that the GSP can send to + * the driver to perform for various purposes. The most common usage is to + * perform a special mid-initialization reset. + */ static int r535_gsp_msg_run_cpu_sequencer(void *priv, u32 fn, void *repv, u32 repc) { @@ -1716,6 +1723,23 @@ r535_gsp_libos_id8(const char *name) return id; } +/** + * create_pte_array() - creates a PTE array of a physically contiguous buffer + * @ptes: pointer to the array + * @addr: base address of physically contiguous buffer (GSP_PAGE_SIZE aligned) + * @size: size of the buffer + * + * GSP-RM sometimes expects physically-contiguous buffers to have an array of + * "PTEs" for each page in that buffer. Although in theory that allows for + * the buffer to be physically discontiguous, GSP-RM does not currently + * support that. + * + * In this case, the PTEs are DMA addresses of each page of the buffer. Since + * the buffer is physically contiguous, calculating all the PTEs is simple + * math. + * + * See memdescGetPhysAddrsForGpu() + */ static void create_pte_array(u64 *ptes, dma_addr_t addr, size_t size) { unsigned int num_pages = DIV_ROUND_UP_ULL(size, GSP_PAGE_SIZE); @@ -1725,6 +1749,35 @@ static void create_pte_array(u64 *ptes, dma_addr_t addr, size_t size) ptes[i] = (u64)addr + (i << GSP_PAGE_SHIFT); } +/** + * r535_gsp_libos_init() -- create the libos arguments structure + * + * The logging buffers are byte queues that contain encoded printf-like + * messages from GSP-RM. They need to be decoded by a special application + * that can parse the buffers. + * + * The 'loginit' buffer contains logs from early GSP-RM init and + * exception dumps. The 'logrm' buffer contains the subsequent logs. Both are + * written to directly by GSP-RM and can be any multiple of GSP_PAGE_SIZE. + * + * The physical address map for the log buffer is stored in the buffer + * itself, starting with offset 1. Offset 0 contains the "put" pointer. + * + * The GSP only understands 4K pages (GSP_PAGE_SIZE), so even if the kernel is + * configured for a larger page size (e.g. 64K pages), we need to give + * the GSP an array of 4K pages. Fortunately, since the buffer is + * physically contiguous, it's simple math to calculate the addresses. + * + * The buffers must be a multiple of GSP_PAGE_SIZE. GSP-RM also currently + * ignores the @kind field for LOGINIT, LOGINTR, and LOGRM, but expects the + * buffers to be physically contiguous anyway. + * + * The memory allocated for the arguments must remain until the GSP sends the + * init_done RPC. + * + * See _kgspInitLibosLoggingStructures (allocates memory for buffers) + * See kgspSetupLibosInitArgs_IMPL (creates pLibosInitArgs[] array) + */ static int r535_gsp_libos_init(struct nvkm_gsp *gsp) { @@ -1835,6 +1888,35 @@ nvkm_gsp_radix3_dtor(struct nvkm_gsp *gsp, struct nvkm_gsp_radix3 *rx3) nvkm_gsp_mem_dtor(gsp, &rx3->mem[i]); } +/** + * nvkm_gsp_radix3_sg - build a radix3 table from a S/G list + * + * The GSP uses a three-level page table, called radix3, to map the firmware. + * Each 64-bit "pointer" in the table is either the bus address of an entry in + * the next table (for levels 0 and 1) or the bus address of the next page in + * the GSP firmware image itself. + * + * Level 0 contains a single entry in one page that points to the first page + * of level 1. + * + * Level 1, since it's also only one page in size, contains up to 512 entries, + * one for each page in Level 2. + * + * Level 2 can be up to 512 pages in size, and each of those entries points to + * the next page of the firmware image. Since there can be up to 512*512 + * pages, that limits the size of the firmware to 512*512*GSP_PAGE_SIZE = 1GB. + * + * Internally, the GSP has its window into system memory, but the base + * physical address of the aperture is not 0. In fact, it varies depending on + * the GPU architecture. Since the GPU is a PCI device, this window is + * accessed via DMA and is therefore bound by IOMMU translation. The end + * result is that GSP-RM must translate the bus addresses in the table to GSP + * physical addresses. All this should happen transparently. + * + * Returns 0 on success, or negative error code + * + * See kgspCreateRadix3_IMPL + */ static int nvkm_gsp_radix3_sg(struct nvkm_device *device, struct sg_table *sgt, u64 size, struct nvkm_gsp_radix3 *rx3) diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c index 1b811d6972a1..201022ae9214 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/instmem/gk20a.c @@ -49,14 +49,14 @@ #include <subdev/mmu.h> struct gk20a_instobj { - struct nvkm_memory memory; + struct nvkm_instobj base; struct nvkm_mm_node *mn; struct gk20a_instmem *imem; /* CPU mapping */ u32 *vaddr; }; -#define gk20a_instobj(p) container_of((p), struct gk20a_instobj, memory) +#define gk20a_instobj(p) container_of((p), struct gk20a_instobj, base.memory) /* * Used for objects allocated using the DMA API @@ -148,7 +148,7 @@ gk20a_instobj_iommu_recycle_vaddr(struct gk20a_instobj_iommu *obj) list_del(&obj->vaddr_node); vunmap(obj->base.vaddr); obj->base.vaddr = NULL; - imem->vaddr_use -= nvkm_memory_size(&obj->base.memory); + imem->vaddr_use -= nvkm_memory_size(&obj->base.base.memory); nvkm_debug(&imem->base.subdev, "vaddr used: %x/%x\n", imem->vaddr_use, imem->vaddr_max); } @@ -283,7 +283,7 @@ gk20a_instobj_map(struct nvkm_memory *memory, u64 offset, struct nvkm_vmm *vmm, { struct gk20a_instobj *node = gk20a_instobj(memory); struct nvkm_vmm_map map = { - .memory = &node->memory, + .memory = &node->base.memory, .offset = offset, .mem = node->mn, }; @@ -391,8 +391,8 @@ gk20a_instobj_ctor_dma(struct gk20a_instmem *imem, u32 npages, u32 align, return -ENOMEM; *_node = &node->base; - nvkm_memory_ctor(&gk20a_instobj_func_dma, &node->base.memory); - node->base.memory.ptrs = &gk20a_instobj_ptrs; + nvkm_memory_ctor(&gk20a_instobj_func_dma, &node->base.base.memory); + node->base.base.memory.ptrs = &gk20a_instobj_ptrs; node->base.vaddr = dma_alloc_attrs(dev, npages << PAGE_SHIFT, &node->handle, GFP_KERNEL, @@ -438,8 +438,8 @@ gk20a_instobj_ctor_iommu(struct gk20a_instmem *imem, u32 npages, u32 align, *_node = &node->base; node->dma_addrs = (void *)(node->pages + npages); - nvkm_memory_ctor(&gk20a_instobj_func_iommu, &node->base.memory); - node->base.memory.ptrs = &gk20a_instobj_ptrs; + nvkm_memory_ctor(&gk20a_instobj_func_iommu, &node->base.base.memory); + node->base.base.memory.ptrs = &gk20a_instobj_ptrs; /* Allocate backing memory */ for (i = 0; i < npages; i++) { @@ -533,7 +533,7 @@ gk20a_instobj_new(struct nvkm_instmem *base, u32 size, u32 align, bool zero, else ret = gk20a_instobj_ctor_dma(imem, size >> PAGE_SHIFT, align, &node); - *pmemory = node ? &node->memory : NULL; + *pmemory = node ? &node->base.memory : NULL; if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c index e34bc6076401..8379e72d77ab 100644 --- a/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/mmu/vmmtu102.c @@ -31,7 +31,7 @@ tu102_vmm_flush(struct nvkm_vmm *vmm, int depth) type |= 0x00000001; /* PAGE_ALL */ if (atomic_read(&vmm->engref[NVKM_SUBDEV_BAR])) - type |= 0x00000004; /* HUB_ONLY */ + type |= 0x00000006; /* HUB_ONLY | ALL PDB (hack) */ mutex_lock(&vmm->mmu->mutex); diff --git a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c index 6e3670508e3a..30919c872ac8 100644 --- a/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c +++ b/drivers/gpu/drm/panel/panel-leadtek-ltk050h3146w.c @@ -326,7 +326,7 @@ static const struct drm_display_mode ltk050h3148w_mode = { static const struct ltk050h3146w_desc ltk050h3148w_data = { .mode = <k050h3148w_mode, .init = ltk050h3148w_init_sequence, - .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE, + .mode_flags = MIPI_DSI_MODE_VIDEO_SYNC_PULSE | MIPI_DSI_MODE_VIDEO_BURST, }; static int ltk050h3146w_init_sequence(struct ltk050h3146w *ctx) diff --git a/drivers/gpu/drm/panfrost/panfrost_devfreq.c b/drivers/gpu/drm/panfrost/panfrost_devfreq.c index f59c82ea8870..2d30da38c2c3 100644 --- a/drivers/gpu/drm/panfrost/panfrost_devfreq.c +++ b/drivers/gpu/drm/panfrost/panfrost_devfreq.c @@ -29,14 +29,20 @@ static void panfrost_devfreq_update_utilization(struct panfrost_devfreq *pfdevfr static int panfrost_devfreq_target(struct device *dev, unsigned long *freq, u32 flags) { + struct panfrost_device *ptdev = dev_get_drvdata(dev); struct dev_pm_opp *opp; + int err; opp = devfreq_recommended_opp(dev, freq, flags); if (IS_ERR(opp)) return PTR_ERR(opp); dev_pm_opp_put(opp); - return dev_pm_opp_set_rate(dev, *freq); + err = dev_pm_opp_set_rate(dev, *freq); + if (!err) + ptdev->pfdevfreq.current_frequency = *freq; + + return err; } static void panfrost_devfreq_reset(struct panfrost_devfreq *pfdevfreq) @@ -58,7 +64,6 @@ static int panfrost_devfreq_get_dev_status(struct device *dev, spin_lock_irqsave(&pfdevfreq->lock, irqflags); panfrost_devfreq_update_utilization(pfdevfreq); - pfdevfreq->current_frequency = status->current_frequency; status->total_time = ktime_to_ns(ktime_add(pfdevfreq->busy_time, pfdevfreq->idle_time)); @@ -165,6 +170,14 @@ int panfrost_devfreq_init(struct panfrost_device *pfdev) panfrost_devfreq_profile.initial_freq = cur_freq; /* + * We could wait until panfrost_devfreq_target() to set this value, but + * since the simple_ondemand governor works asynchronously, there's a + * chance by the time someone opens the device's fdinfo file, current + * frequency hasn't been updated yet, so let's just do an early set. + */ + pfdevfreq->current_frequency = cur_freq; + + /* * Set the recommend OPP this will enable and configure the regulator * if any and will avoid a switch off by regulator_late_cleanup() */ diff --git a/drivers/gpu/drm/panfrost/panfrost_gem.c b/drivers/gpu/drm/panfrost/panfrost_gem.c index 0cf64456e29a..d47b40b82b0b 100644 --- a/drivers/gpu/drm/panfrost/panfrost_gem.c +++ b/drivers/gpu/drm/panfrost/panfrost_gem.c @@ -200,7 +200,7 @@ static enum drm_gem_object_status panfrost_gem_status(struct drm_gem_object *obj struct panfrost_gem_object *bo = to_panfrost_bo(obj); enum drm_gem_object_status res = 0; - if (bo->base.pages) + if (bo->base.base.import_attach || bo->base.pages) res |= DRM_GEM_OBJECT_RESIDENT; if (bo->base.madv == PANFROST_MADV_DONTNEED) diff --git a/drivers/greybus/Kconfig b/drivers/greybus/Kconfig index 033d31dbf3b8..ab81ceceb337 100644 --- a/drivers/greybus/Kconfig +++ b/drivers/greybus/Kconfig @@ -20,6 +20,7 @@ if GREYBUS config GREYBUS_BEAGLEPLAY tristate "Greybus BeaglePlay driver" depends on SERIAL_DEV_BUS + select CRC_CCITT help Select this option if you have a BeaglePlay where CC1352 co-processor acts as Greybus SVC. diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index d9e9829b2200..b9c7c0ed7bcc 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -347,6 +347,8 @@ static const struct apple_non_apple_keyboard non_apple_keyboards[] = { { "Hailuck" }, { "Jamesdonkey" }, { "A3R" }, + { "hfd.cn" }, + { "WKB603" }, }; static bool apple_is_non_apple_keyboard(struct hid_device *hdev) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index c6e4e0d1f214..72046039d1be 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -740,6 +740,7 @@ #define USB_VENDOR_ID_LABTEC 0x1020 #define USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD 0x0006 +#define USB_DEVICE_ID_LABTEC_ODDOR_HANDBRAKE 0x8888 #define USB_VENDOR_ID_LAVIEW 0x22D4 #define USB_DEVICE_ID_GLORIOUS_MODEL_I 0x1503 diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c index 7c1b33be9d13..149a3c74346b 100644 --- a/drivers/hid/hid-lenovo.c +++ b/drivers/hid/hid-lenovo.c @@ -692,7 +692,8 @@ static int lenovo_event_cptkbd(struct hid_device *hdev, * so set middlebutton_state to 3 * to never apply workaround anymore */ - if (cptkbd_data->middlebutton_state == 1 && + if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD && + cptkbd_data->middlebutton_state == 1 && usage->type == EV_REL && (usage->code == REL_X || usage->code == REL_Y)) { cptkbd_data->middlebutton_state = 3; diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index ea472923fab0..e0bbf0c6345d 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -121,6 +121,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M406XE), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2), HID_QUIRK_MULTI_INPUT }, { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_T609A), HID_QUIRK_MULTI_INPUT }, + { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_ODDOR_HANDBRAKE), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D), HID_QUIRK_ALWAYS_POLL }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019), HID_QUIRK_ALWAYS_POLL }, diff --git a/drivers/hid/i2c-hid/i2c-hid-acpi.c b/drivers/hid/i2c-hid/i2c-hid-acpi.c index ac918a9ea8d3..1b49243adb16 100644 --- a/drivers/hid/i2c-hid/i2c-hid-acpi.c +++ b/drivers/hid/i2c-hid/i2c-hid-acpi.c @@ -40,6 +40,11 @@ static const struct acpi_device_id i2c_hid_acpi_blacklist[] = { * ICN8505 controller, has a _CID of PNP0C50 but is not HID compatible. */ { "CHPN0001" }, + /* + * The IDEA5002 ACPI device causes high interrupt usage and spurious + * wakeups from suspend. + */ + { "IDEA5002" }, { } }; diff --git a/drivers/hwmon/acpi_power_meter.c b/drivers/hwmon/acpi_power_meter.c index 8db740214ffd..703666b95bf4 100644 --- a/drivers/hwmon/acpi_power_meter.c +++ b/drivers/hwmon/acpi_power_meter.c @@ -31,6 +31,7 @@ #define POWER_METER_CAN_NOTIFY (1 << 3) #define POWER_METER_IS_BATTERY (1 << 8) #define UNKNOWN_HYSTERESIS 0xFFFFFFFF +#define UNKNOWN_POWER 0xFFFFFFFF #define METER_NOTIFY_CONFIG 0x80 #define METER_NOTIFY_TRIP 0x81 @@ -348,6 +349,9 @@ static ssize_t show_power(struct device *dev, update_meter(resource); mutex_unlock(&resource->lock); + if (resource->power == UNKNOWN_POWER) + return -ENODATA; + return sprintf(buf, "%llu\n", resource->power * 1000); } diff --git a/drivers/hwmon/corsair-psu.c b/drivers/hwmon/corsair-psu.c index 904890598c11..2c7c92272fe3 100644 --- a/drivers/hwmon/corsair-psu.c +++ b/drivers/hwmon/corsair-psu.c @@ -899,7 +899,23 @@ static struct hid_driver corsairpsu_driver = { .reset_resume = corsairpsu_resume, #endif }; -module_hid_driver(corsairpsu_driver); + +static int __init corsair_init(void) +{ + return hid_register_driver(&corsairpsu_driver); +} + +static void __exit corsair_exit(void) +{ + hid_unregister_driver(&corsairpsu_driver); +} + +/* + * With module_init() the driver would load before the HID bus when + * built-in, so use late_initcall() instead. + */ +late_initcall(corsair_init); +module_exit(corsair_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Wilken Gottwalt <wilken.gottwalt@posteo.net>"); diff --git a/drivers/hwmon/ltc2991.c b/drivers/hwmon/ltc2991.c index bd63c61129a9..fc53fdcb2b6c 100644 --- a/drivers/hwmon/ltc2991.c +++ b/drivers/hwmon/ltc2991.c @@ -373,7 +373,7 @@ static int ltc2991_init(struct ltc2991_state *st) LTC2991_REPEAT_ACQ_EN); if (ret) return dev_err_probe(st->dev, ret, - "Error: Failed to set contiuous mode.\n"); + "Error: Failed to set continuous mode.\n"); /* Enable all channels and trigger conversions */ return regmap_write(st->regmap, LTC2991_CH_EN_TRIGGER, diff --git a/drivers/hwmon/max31827.c b/drivers/hwmon/max31827.c index fd1fed1a797c..a1ce65145669 100644 --- a/drivers/hwmon/max31827.c +++ b/drivers/hwmon/max31827.c @@ -12,6 +12,7 @@ #include <linux/i2c.h> #include <linux/mutex.h> #include <linux/regmap.h> +#include <linux/regulator/consumer.h> #define MAX31827_T_REG 0x0 #define MAX31827_CONFIGURATION_REG 0x2 diff --git a/drivers/hwmon/nzxt-kraken2.c b/drivers/hwmon/nzxt-kraken2.c index 428c77b5fce5..7caf387eb144 100644 --- a/drivers/hwmon/nzxt-kraken2.c +++ b/drivers/hwmon/nzxt-kraken2.c @@ -161,13 +161,13 @@ static int kraken2_probe(struct hid_device *hdev, ret = hid_hw_start(hdev, HID_CONNECT_HIDRAW); if (ret) { hid_err(hdev, "hid hw start failed with %d\n", ret); - goto fail_and_stop; + return ret; } ret = hid_hw_open(hdev); if (ret) { hid_err(hdev, "hid hw open failed with %d\n", ret); - goto fail_and_close; + goto fail_and_stop; } priv->hwmon_dev = hwmon_device_register_with_info(&hdev->dev, "kraken2", diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c index 5ca6278baff4..89e8ed214ea4 100644 --- a/drivers/hwtracing/coresight/coresight-etm-perf.c +++ b/drivers/hwtracing/coresight/coresight-etm-perf.c @@ -493,7 +493,7 @@ static void etm_event_start(struct perf_event *event, int flags) goto fail_end_stop; /* Finally enable the tracer */ - if (coresight_enable_source(csdev, CS_MODE_PERF, event)) + if (source_ops(csdev)->enable(csdev, event, CS_MODE_PERF)) goto fail_disable_path; /* @@ -587,7 +587,7 @@ static void etm_event_stop(struct perf_event *event, int mode) return; /* stop tracer */ - coresight_disable_source(csdev, event); + source_ops(csdev)->disable(csdev, event); /* tell the core */ event->hw.state = PERF_HES_STOPPED; diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c index 77b0271ce6eb..34aee59dd147 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c @@ -2224,7 +2224,7 @@ static void clear_etmdrvdata(void *info) per_cpu(delayed_probe, cpu) = NULL; } -static void __exit etm4_remove_dev(struct etmv4_drvdata *drvdata) +static void etm4_remove_dev(struct etmv4_drvdata *drvdata) { bool had_delayed_probe; /* @@ -2253,7 +2253,7 @@ static void __exit etm4_remove_dev(struct etmv4_drvdata *drvdata) } } -static void __exit etm4_remove_amba(struct amba_device *adev) +static void etm4_remove_amba(struct amba_device *adev) { struct etmv4_drvdata *drvdata = dev_get_drvdata(&adev->dev); @@ -2261,7 +2261,7 @@ static void __exit etm4_remove_amba(struct amba_device *adev) etm4_remove_dev(drvdata); } -static int __exit etm4_remove_platform_dev(struct platform_device *pdev) +static int etm4_remove_platform_dev(struct platform_device *pdev) { struct etmv4_drvdata *drvdata = dev_get_drvdata(&pdev->dev); diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.c b/drivers/hwtracing/coresight/ultrasoc-smb.c index e9a32a97fbee..6e32d31a95fe 100644 --- a/drivers/hwtracing/coresight/ultrasoc-smb.c +++ b/drivers/hwtracing/coresight/ultrasoc-smb.c @@ -99,7 +99,7 @@ static int smb_open(struct inode *inode, struct file *file) struct smb_drv_data, miscdev); int ret = 0; - mutex_lock(&drvdata->mutex); + spin_lock(&drvdata->spinlock); if (drvdata->reading) { ret = -EBUSY; @@ -115,7 +115,7 @@ static int smb_open(struct inode *inode, struct file *file) drvdata->reading = true; out: - mutex_unlock(&drvdata->mutex); + spin_unlock(&drvdata->spinlock); return ret; } @@ -132,10 +132,8 @@ static ssize_t smb_read(struct file *file, char __user *data, size_t len, if (!len) return 0; - mutex_lock(&drvdata->mutex); - if (!sdb->data_size) - goto out; + return 0; to_copy = min(sdb->data_size, len); @@ -145,20 +143,15 @@ static ssize_t smb_read(struct file *file, char __user *data, size_t len, if (copy_to_user(data, sdb->buf_base + sdb->buf_rdptr, to_copy)) { dev_dbg(dev, "Failed to copy data to user\n"); - to_copy = -EFAULT; - goto out; + return -EFAULT; } *ppos += to_copy; - smb_update_read_ptr(drvdata, to_copy); - - dev_dbg(dev, "%zu bytes copied\n", to_copy); -out: if (!sdb->data_size) smb_reset_buffer(drvdata); - mutex_unlock(&drvdata->mutex); + dev_dbg(dev, "%zu bytes copied\n", to_copy); return to_copy; } @@ -167,9 +160,9 @@ static int smb_release(struct inode *inode, struct file *file) struct smb_drv_data *drvdata = container_of(file->private_data, struct smb_drv_data, miscdev); - mutex_lock(&drvdata->mutex); + spin_lock(&drvdata->spinlock); drvdata->reading = false; - mutex_unlock(&drvdata->mutex); + spin_unlock(&drvdata->spinlock); return 0; } @@ -262,7 +255,7 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode, struct smb_drv_data *drvdata = dev_get_drvdata(csdev->dev.parent); int ret = 0; - mutex_lock(&drvdata->mutex); + spin_lock(&drvdata->spinlock); /* Do nothing, the trace data is reading by other interface now */ if (drvdata->reading) { @@ -294,7 +287,7 @@ static int smb_enable(struct coresight_device *csdev, enum cs_mode mode, dev_dbg(&csdev->dev, "Ultrasoc SMB enabled\n"); out: - mutex_unlock(&drvdata->mutex); + spin_unlock(&drvdata->spinlock); return ret; } @@ -304,7 +297,7 @@ static int smb_disable(struct coresight_device *csdev) struct smb_drv_data *drvdata = dev_get_drvdata(csdev->dev.parent); int ret = 0; - mutex_lock(&drvdata->mutex); + spin_lock(&drvdata->spinlock); if (drvdata->reading) { ret = -EBUSY; @@ -327,7 +320,7 @@ static int smb_disable(struct coresight_device *csdev) dev_dbg(&csdev->dev, "Ultrasoc SMB disabled\n"); out: - mutex_unlock(&drvdata->mutex); + spin_unlock(&drvdata->spinlock); return ret; } @@ -408,7 +401,7 @@ static unsigned long smb_update_buffer(struct coresight_device *csdev, if (!buf) return 0; - mutex_lock(&drvdata->mutex); + spin_lock(&drvdata->spinlock); /* Don't do anything if another tracer is using this sink. */ if (atomic_read(&csdev->refcnt) != 1) @@ -432,7 +425,7 @@ static unsigned long smb_update_buffer(struct coresight_device *csdev, if (!buf->snapshot && lost) perf_aux_output_flag(handle, PERF_AUX_FLAG_TRUNCATED); out: - mutex_unlock(&drvdata->mutex); + spin_unlock(&drvdata->spinlock); return data_size; } @@ -484,7 +477,6 @@ static int smb_init_data_buffer(struct platform_device *pdev, static void smb_init_hw(struct smb_drv_data *drvdata) { smb_disable_hw(drvdata); - smb_reset_buffer(drvdata); writel(SMB_LB_CFG_LO_DEFAULT, drvdata->base + SMB_LB_CFG_LO_REG); writel(SMB_LB_CFG_HI_DEFAULT, drvdata->base + SMB_LB_CFG_HI_REG); @@ -590,37 +582,33 @@ static int smb_probe(struct platform_device *pdev) return ret; } - mutex_init(&drvdata->mutex); + ret = smb_config_inport(dev, true); + if (ret) + return ret; + + smb_reset_buffer(drvdata); + platform_set_drvdata(pdev, drvdata); + spin_lock_init(&drvdata->spinlock); drvdata->pid = -1; ret = smb_register_sink(pdev, drvdata); if (ret) { + smb_config_inport(&pdev->dev, false); dev_err(dev, "Failed to register SMB sink\n"); return ret; } - ret = smb_config_inport(dev, true); - if (ret) { - smb_unregister_sink(drvdata); - return ret; - } - - platform_set_drvdata(pdev, drvdata); - return 0; } static int smb_remove(struct platform_device *pdev) { struct smb_drv_data *drvdata = platform_get_drvdata(pdev); - int ret; - - ret = smb_config_inport(&pdev->dev, false); - if (ret) - return ret; smb_unregister_sink(drvdata); + smb_config_inport(&pdev->dev, false); + return 0; } diff --git a/drivers/hwtracing/coresight/ultrasoc-smb.h b/drivers/hwtracing/coresight/ultrasoc-smb.h index d2e14e8d2c8a..82a44c14a882 100644 --- a/drivers/hwtracing/coresight/ultrasoc-smb.h +++ b/drivers/hwtracing/coresight/ultrasoc-smb.h @@ -8,7 +8,7 @@ #define _ULTRASOC_SMB_H #include <linux/miscdevice.h> -#include <linux/mutex.h> +#include <linux/spinlock.h> /* Offset of SMB global registers */ #define SMB_GLB_CFG_REG 0x00 @@ -105,7 +105,7 @@ struct smb_data_buffer { * @csdev: Component vitals needed by the framework. * @sdb: Data buffer for SMB. * @miscdev: Specifics to handle "/dev/xyz.smb" entry. - * @mutex: Control data access to one at a time. + * @spinlock: Control data access to one at a time. * @reading: Synchronise user space access to SMB buffer. * @pid: Process ID of the process being monitored by the * session that is using this component. @@ -116,7 +116,7 @@ struct smb_drv_data { struct coresight_device *csdev; struct smb_data_buffer sdb; struct miscdevice miscdev; - struct mutex mutex; + spinlock_t spinlock; bool reading; pid_t pid; enum cs_mode mode; diff --git a/drivers/hwtracing/ptt/hisi_ptt.c b/drivers/hwtracing/ptt/hisi_ptt.c index 49ea1b0f7489..a991ecb7515a 100644 --- a/drivers/hwtracing/ptt/hisi_ptt.c +++ b/drivers/hwtracing/ptt/hisi_ptt.c @@ -342,9 +342,9 @@ static int hisi_ptt_register_irq(struct hisi_ptt *hisi_ptt) return ret; hisi_ptt->trace_irq = pci_irq_vector(pdev, HISI_PTT_TRACE_DMA_IRQ); - ret = devm_request_threaded_irq(&pdev->dev, hisi_ptt->trace_irq, - NULL, hisi_ptt_isr, 0, - DRV_NAME, hisi_ptt); + ret = devm_request_irq(&pdev->dev, hisi_ptt->trace_irq, hisi_ptt_isr, + IRQF_NOBALANCING | IRQF_NO_THREAD, DRV_NAME, + hisi_ptt); if (ret) { pci_err(pdev, "failed to request irq %d, ret = %d\n", hisi_ptt->trace_irq, ret); @@ -1000,6 +1000,9 @@ static int hisi_ptt_pmu_event_init(struct perf_event *event) return -EOPNOTSUPP; } + if (event->attach_state & PERF_ATTACH_TASK) + return -EOPNOTSUPP; + if (event->attr.type != hisi_ptt->hisi_ptt_pmu.type) return -ENOENT; @@ -1178,6 +1181,10 @@ static void hisi_ptt_pmu_del(struct perf_event *event, int flags) hisi_ptt_pmu_stop(event, PERF_EF_UPDATE); } +static void hisi_ptt_pmu_read(struct perf_event *event) +{ +} + static void hisi_ptt_remove_cpuhp_instance(void *hotplug_node) { cpuhp_state_remove_instance_nocalls(hisi_ptt_pmu_online, hotplug_node); @@ -1221,6 +1228,7 @@ static int hisi_ptt_register_pmu(struct hisi_ptt *hisi_ptt) .stop = hisi_ptt_pmu_stop, .add = hisi_ptt_pmu_add, .del = hisi_ptt_pmu_del, + .read = hisi_ptt_pmu_read, }; reg = readl(hisi_ptt->iobase + HISI_PTT_LOCATION); diff --git a/drivers/infiniband/core/umem.c b/drivers/infiniband/core/umem.c index f9ab671c8eda..07c571c7b699 100644 --- a/drivers/infiniband/core/umem.c +++ b/drivers/infiniband/core/umem.c @@ -96,12 +96,6 @@ unsigned long ib_umem_find_best_pgsz(struct ib_umem *umem, return page_size; } - /* rdma_for_each_block() has a bug if the page size is smaller than the - * page size used to build the umem. For now prevent smaller page sizes - * from being returned. - */ - pgsz_bitmap &= GENMASK(BITS_PER_LONG - 1, PAGE_SHIFT); - /* The best result is the smallest page size that results in the minimum * number of required pages. Compute the largest page size that could * work based on VA address bits that don't change. diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c index 8a6da87f464b..94a7f3b0c71c 100644 --- a/drivers/infiniband/core/verbs.c +++ b/drivers/infiniband/core/verbs.c @@ -1971,7 +1971,7 @@ int ib_get_eth_speed(struct ib_device *dev, u32 port_num, u16 *speed, u8 *width) int rc; u32 netdev_speed; struct net_device *netdev; - struct ethtool_link_ksettings lksettings; + struct ethtool_link_ksettings lksettings = {}; if (rdma_port_get_link_layer(dev, port_num) != IB_LINK_LAYER_ETHERNET) return -EINVAL; diff --git a/drivers/infiniband/hw/bnxt_re/main.c b/drivers/infiniband/hw/bnxt_re/main.c index f79369c8360a..a99c68247af0 100644 --- a/drivers/infiniband/hw/bnxt_re/main.c +++ b/drivers/infiniband/hw/bnxt_re/main.c @@ -71,7 +71,7 @@ static char version[] = BNXT_RE_DESC "\n"; MODULE_AUTHOR("Eddie Wai <eddie.wai@broadcom.com>"); -MODULE_DESCRIPTION(BNXT_RE_DESC " Driver"); +MODULE_DESCRIPTION(BNXT_RE_DESC); MODULE_LICENSE("Dual BSD/GPL"); /* globals */ diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c index 0cd2612a4987..2bca9560f32d 100644 --- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c +++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c @@ -4760,10 +4760,15 @@ static int check_cong_type(struct ib_qp *ibqp, cong_alg->wnd_mode_sel = WND_LIMIT; break; default: - ibdev_err(&hr_dev->ib_dev, - "error type(%u) for congestion selection.\n", - hr_dev->caps.cong_type); - return -EINVAL; + ibdev_warn(&hr_dev->ib_dev, + "invalid type(%u) for congestion selection.\n", + hr_dev->caps.cong_type); + hr_dev->caps.cong_type = CONG_TYPE_DCQCN; + cong_alg->alg_sel = CONG_DCQCN; + cong_alg->alg_sub_sel = UNSUPPORT_CONG_LEVEL; + cong_alg->dip_vld = DIP_INVALID; + cong_alg->wnd_mode_sel = WND_LIMIT; + break; } return 0; diff --git a/drivers/infiniband/hw/irdma/hw.c b/drivers/infiniband/hw/irdma/hw.c index 8fa7e4a18e73..bd4b2b896444 100644 --- a/drivers/infiniband/hw/irdma/hw.c +++ b/drivers/infiniband/hw/irdma/hw.c @@ -321,7 +321,11 @@ static void irdma_process_aeq(struct irdma_pci_f *rf) break; case IRDMA_AE_QP_SUSPEND_COMPLETE: if (iwqp->iwdev->vsi.tc_change_pending) { - atomic_dec(&iwqp->sc_qp.vsi->qp_suspend_reqs); + if (!atomic_dec_return(&qp->vsi->qp_suspend_reqs)) + wake_up(&iwqp->iwdev->suspend_wq); + } + if (iwqp->suspend_pending) { + iwqp->suspend_pending = false; wake_up(&iwqp->iwdev->suspend_wq); } break; @@ -581,9 +585,6 @@ static void irdma_destroy_cqp(struct irdma_pci_f *rf) struct irdma_cqp *cqp = &rf->cqp; int status = 0; - if (rf->cqp_cmpl_wq) - destroy_workqueue(rf->cqp_cmpl_wq); - status = irdma_sc_cqp_destroy(dev->cqp); if (status) ibdev_dbg(to_ibdev(dev), "ERR: Destroy CQP failed %d\n", status); @@ -748,6 +749,9 @@ static void irdma_destroy_ccq(struct irdma_pci_f *rf) struct irdma_ccq *ccq = &rf->ccq; int status = 0; + if (rf->cqp_cmpl_wq) + destroy_workqueue(rf->cqp_cmpl_wq); + if (!rf->reset) status = irdma_sc_ccq_destroy(dev->ccq, 0, true); if (status) @@ -1180,7 +1184,6 @@ static int irdma_create_ceq(struct irdma_pci_f *rf, struct irdma_ceq *iwceq, int status; struct irdma_ceq_init_info info = {}; struct irdma_sc_dev *dev = &rf->sc_dev; - u64 scratch; u32 ceq_size; info.ceq_id = ceq_id; @@ -1201,14 +1204,13 @@ static int irdma_create_ceq(struct irdma_pci_f *rf, struct irdma_ceq *iwceq, iwceq->sc_ceq.ceq_id = ceq_id; info.dev = dev; info.vsi = vsi; - scratch = (uintptr_t)&rf->cqp.sc_cqp; status = irdma_sc_ceq_init(&iwceq->sc_ceq, &info); if (!status) { if (dev->ceq_valid) status = irdma_cqp_ceq_cmd(&rf->sc_dev, &iwceq->sc_ceq, IRDMA_OP_CEQ_CREATE); else - status = irdma_sc_cceq_create(&iwceq->sc_ceq, scratch); + status = irdma_sc_cceq_create(&iwceq->sc_ceq, 0); } if (status) { diff --git a/drivers/infiniband/hw/irdma/main.c b/drivers/infiniband/hw/irdma/main.c index 9ac48b4dab41..3f13200ff71b 100644 --- a/drivers/infiniband/hw/irdma/main.c +++ b/drivers/infiniband/hw/irdma/main.c @@ -48,7 +48,7 @@ static void irdma_prep_tc_change(struct irdma_device *iwdev) /* Wait for all qp's to suspend */ wait_event_timeout(iwdev->suspend_wq, !atomic_read(&iwdev->vsi.qp_suspend_reqs), - IRDMA_EVENT_TIMEOUT); + msecs_to_jiffies(IRDMA_EVENT_TIMEOUT_MS)); irdma_ws_reset(&iwdev->vsi); } diff --git a/drivers/infiniband/hw/irdma/main.h b/drivers/infiniband/hw/irdma/main.h index d66d87bb8bc4..b65bc2ea542f 100644 --- a/drivers/infiniband/hw/irdma/main.h +++ b/drivers/infiniband/hw/irdma/main.h @@ -78,7 +78,7 @@ extern struct auxiliary_driver i40iw_auxiliary_drv; #define MAX_DPC_ITERATIONS 128 -#define IRDMA_EVENT_TIMEOUT 50000 +#define IRDMA_EVENT_TIMEOUT_MS 5000 #define IRDMA_VCHNL_EVENT_TIMEOUT 100000 #define IRDMA_RST_TIMEOUT_HZ 4 diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index 2138f0a2ff85..b5eb8d421988 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -1157,6 +1157,21 @@ exit: return prio; } +static int irdma_wait_for_suspend(struct irdma_qp *iwqp) +{ + if (!wait_event_timeout(iwqp->iwdev->suspend_wq, + !iwqp->suspend_pending, + msecs_to_jiffies(IRDMA_EVENT_TIMEOUT_MS))) { + iwqp->suspend_pending = false; + ibdev_warn(&iwqp->iwdev->ibdev, + "modify_qp timed out waiting for suspend. qp_id = %d, last_ae = 0x%x\n", + iwqp->ibqp.qp_num, iwqp->last_aeq); + return -EBUSY; + } + + return 0; +} + /** * irdma_modify_qp_roce - modify qp request * @ibqp: qp's pointer for modify @@ -1420,17 +1435,11 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr, info.next_iwarp_state = IRDMA_QP_STATE_SQD; issue_modify_qp = 1; + iwqp->suspend_pending = true; break; case IB_QPS_SQE: case IB_QPS_ERR: case IB_QPS_RESET: - if (iwqp->iwarp_state == IRDMA_QP_STATE_RTS) { - spin_unlock_irqrestore(&iwqp->lock, flags); - info.next_iwarp_state = IRDMA_QP_STATE_SQD; - irdma_hw_modify_qp(iwdev, iwqp, &info, true); - spin_lock_irqsave(&iwqp->lock, flags); - } - if (iwqp->iwarp_state == IRDMA_QP_STATE_ERROR) { spin_unlock_irqrestore(&iwqp->lock, flags); if (udata && udata->inlen) { @@ -1467,6 +1476,11 @@ int irdma_modify_qp_roce(struct ib_qp *ibqp, struct ib_qp_attr *attr, ctx_info->rem_endpoint_idx = udp_info->arp_idx; if (irdma_hw_modify_qp(iwdev, iwqp, &info, true)) return -EINVAL; + if (info.next_iwarp_state == IRDMA_QP_STATE_SQD) { + ret = irdma_wait_for_suspend(iwqp); + if (ret) + return ret; + } spin_lock_irqsave(&iwqp->lock, flags); if (iwqp->iwarp_state == info.curr_iwarp_state) { iwqp->iwarp_state = info.next_iwarp_state; @@ -2900,7 +2914,7 @@ static struct irdma_mr *irdma_alloc_iwmr(struct ib_umem *region, iwmr->type = reg_type; pgsz_bitmap = (reg_type == IRDMA_MEMREG_TYPE_MEM) ? - iwdev->rf->sc_dev.hw_attrs.page_size_cap : PAGE_SIZE; + iwdev->rf->sc_dev.hw_attrs.page_size_cap : SZ_4K; iwmr->page_size = ib_umem_find_best_pgsz(region, pgsz_bitmap, virt); if (unlikely(!iwmr->page_size)) { @@ -2932,6 +2946,11 @@ static int irdma_reg_user_mr_type_qp(struct irdma_mem_reg_req req, int err; u8 lvl; + /* iWarp: Catch page not starting on OS page boundary */ + if (!rdma_protocol_roce(&iwdev->ibdev, 1) && + ib_umem_offset(iwmr->region)) + return -EINVAL; + total = req.sq_pages + req.rq_pages + 1; if (total > iwmr->page_cnt) return -EINVAL; diff --git a/drivers/infiniband/hw/irdma/verbs.h b/drivers/infiniband/hw/irdma/verbs.h index c42ac22de00e..cfa140b36395 100644 --- a/drivers/infiniband/hw/irdma/verbs.h +++ b/drivers/infiniband/hw/irdma/verbs.h @@ -198,6 +198,7 @@ struct irdma_qp { u8 flush_issued : 1; u8 sig_all : 1; u8 pau_mode : 1; + u8 suspend_pending : 1; u8 rsvd : 1; u8 iwarp_state; u16 term_sq_flush_code; diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c index 07261523c554..7f3167ce2972 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c @@ -384,7 +384,7 @@ static void complete_rdma_req(struct rtrs_clt_io_req *req, int errno, struct rtrs_clt_path *clt_path; int err; - if (WARN_ON(!req->in_use)) + if (!req->in_use) return; if (WARN_ON(!req->con)) return; @@ -1699,7 +1699,7 @@ static int create_con_cq_qp(struct rtrs_clt_con *con) clt_path->s.dev_ref++; max_send_wr = min_t(int, wr_limit, /* QD * (REQ + RSP + FR REGS or INVS) + drain */ - clt_path->queue_depth * 3 + 1); + clt_path->queue_depth * 4 + 1); max_recv_wr = min_t(int, wr_limit, clt_path->queue_depth * 3 + 1); max_send_sge = 2; @@ -2350,8 +2350,6 @@ static int init_conns(struct rtrs_clt_path *clt_path) if (err) goto destroy; - rtrs_start_hb(&clt_path->s); - return 0; destroy: @@ -2625,6 +2623,7 @@ static int init_path(struct rtrs_clt_path *clt_path) goto out; } rtrs_clt_path_up(clt_path); + rtrs_start_hb(&clt_path->s); out: mutex_unlock(&clt_path->init_mutex); diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv.c b/drivers/infiniband/ulp/rtrs/rtrs-srv.c index 75e56604e462..1d33efb8fb03 100644 --- a/drivers/infiniband/ulp/rtrs/rtrs-srv.c +++ b/drivers/infiniband/ulp/rtrs/rtrs-srv.c @@ -65,8 +65,9 @@ static bool rtrs_srv_change_state(struct rtrs_srv_path *srv_path, { enum rtrs_srv_state old_state; bool changed = false; + unsigned long flags; - spin_lock_irq(&srv_path->state_lock); + spin_lock_irqsave(&srv_path->state_lock, flags); old_state = srv_path->state; switch (new_state) { case RTRS_SRV_CONNECTED: @@ -87,7 +88,7 @@ static bool rtrs_srv_change_state(struct rtrs_srv_path *srv_path, } if (changed) srv_path->state = new_state; - spin_unlock_irq(&srv_path->state_lock); + spin_unlock_irqrestore(&srv_path->state_lock, flags); return changed; } @@ -550,7 +551,10 @@ static void unmap_cont_bufs(struct rtrs_srv_path *srv_path) struct rtrs_srv_mr *srv_mr; srv_mr = &srv_path->mrs[i]; - rtrs_iu_free(srv_mr->iu, srv_path->s.dev->ib_dev, 1); + + if (always_invalidate) + rtrs_iu_free(srv_mr->iu, srv_path->s.dev->ib_dev, 1); + ib_dereg_mr(srv_mr->mr); ib_dma_unmap_sg(srv_path->s.dev->ib_dev, srv_mr->sgt.sgl, srv_mr->sgt.nents, DMA_BIDIRECTIONAL); @@ -709,20 +713,23 @@ static void rtrs_srv_info_rsp_done(struct ib_cq *cq, struct ib_wc *wc) WARN_ON(wc->opcode != IB_WC_SEND); } -static void rtrs_srv_path_up(struct rtrs_srv_path *srv_path) +static int rtrs_srv_path_up(struct rtrs_srv_path *srv_path) { struct rtrs_srv_sess *srv = srv_path->srv; struct rtrs_srv_ctx *ctx = srv->ctx; - int up; + int up, ret = 0; mutex_lock(&srv->paths_ev_mutex); up = ++srv->paths_up; if (up == 1) - ctx->ops.link_ev(srv, RTRS_SRV_LINK_EV_CONNECTED, NULL); + ret = ctx->ops.link_ev(srv, RTRS_SRV_LINK_EV_CONNECTED, NULL); mutex_unlock(&srv->paths_ev_mutex); /* Mark session as established */ - srv_path->established = true; + if (!ret) + srv_path->established = true; + + return ret; } static void rtrs_srv_path_down(struct rtrs_srv_path *srv_path) @@ -851,7 +858,12 @@ static int process_info_req(struct rtrs_srv_con *con, goto iu_free; kobject_get(&srv_path->kobj); get_device(&srv_path->srv->dev); - rtrs_srv_change_state(srv_path, RTRS_SRV_CONNECTED); + err = rtrs_srv_change_state(srv_path, RTRS_SRV_CONNECTED); + if (!err) { + rtrs_err(s, "rtrs_srv_change_state(), err: %d\n", err); + goto iu_free; + } + rtrs_srv_start_hb(srv_path); /* @@ -860,7 +872,11 @@ static int process_info_req(struct rtrs_srv_con *con, * all connections are successfully established. Thus, simply notify * listener with a proper event if we are the first path. */ - rtrs_srv_path_up(srv_path); + err = rtrs_srv_path_up(srv_path); + if (err) { + rtrs_err(s, "rtrs_srv_path_up(), err: %d\n", err); + goto iu_free; + } ib_dma_sync_single_for_device(srv_path->s.dev->ib_dev, tx_iu->dma_addr, @@ -1516,7 +1532,6 @@ static void rtrs_srv_close_work(struct work_struct *work) srv_path = container_of(work, typeof(*srv_path), close_work); - rtrs_srv_destroy_path_files(srv_path); rtrs_srv_stop_hb(srv_path); for (i = 0; i < srv_path->s.con_num; i++) { @@ -1536,6 +1551,8 @@ static void rtrs_srv_close_work(struct work_struct *work) /* Wait for all completion */ wait_for_completion(&srv_path->complete_done); + rtrs_srv_destroy_path_files(srv_path); + /* Notify upper layer if we are the last path */ rtrs_srv_path_down(srv_path); diff --git a/drivers/iommu/iommufd/device.c b/drivers/iommu/iommufd/device.c index 59d3a07300d9..873630c111c1 100644 --- a/drivers/iommu/iommufd/device.c +++ b/drivers/iommu/iommufd/device.c @@ -571,7 +571,7 @@ iommufd_device_auto_get_domain(struct iommufd_device *idev, continue; destroy_hwpt = (*do_attach)(idev, hwpt); if (IS_ERR(destroy_hwpt)) { - iommufd_put_object(&hwpt->obj); + iommufd_put_object(idev->ictx, &hwpt->obj); /* * -EINVAL means the domain is incompatible with the * device. Other error codes should propagate to @@ -583,7 +583,7 @@ iommufd_device_auto_get_domain(struct iommufd_device *idev, goto out_unlock; } *pt_id = hwpt->obj.id; - iommufd_put_object(&hwpt->obj); + iommufd_put_object(idev->ictx, &hwpt->obj); goto out_unlock; } @@ -652,7 +652,7 @@ static int iommufd_device_change_pt(struct iommufd_device *idev, u32 *pt_id, destroy_hwpt = ERR_PTR(-EINVAL); goto out_put_pt_obj; } - iommufd_put_object(pt_obj); + iommufd_put_object(idev->ictx, pt_obj); /* This destruction has to be after we unlock everything */ if (destroy_hwpt) @@ -660,7 +660,7 @@ static int iommufd_device_change_pt(struct iommufd_device *idev, u32 *pt_id, return 0; out_put_pt_obj: - iommufd_put_object(pt_obj); + iommufd_put_object(idev->ictx, pt_obj); return PTR_ERR(destroy_hwpt); } @@ -792,7 +792,7 @@ static int iommufd_access_change_ioas_id(struct iommufd_access *access, u32 id) if (IS_ERR(ioas)) return PTR_ERR(ioas); rc = iommufd_access_change_ioas(access, ioas); - iommufd_put_object(&ioas->obj); + iommufd_put_object(access->ictx, &ioas->obj); return rc; } @@ -941,7 +941,7 @@ void iommufd_access_notify_unmap(struct io_pagetable *iopt, unsigned long iova, access->ops->unmap(access->data, iova, length); - iommufd_put_object(&access->obj); + iommufd_put_object(access->ictx, &access->obj); xa_lock(&ioas->iopt.access_list); } xa_unlock(&ioas->iopt.access_list); @@ -1243,6 +1243,6 @@ int iommufd_get_hw_info(struct iommufd_ucmd *ucmd) out_free: kfree(data); out_put: - iommufd_put_object(&idev->obj); + iommufd_put_object(ucmd->ictx, &idev->obj); return rc; } diff --git a/drivers/iommu/iommufd/hw_pagetable.c b/drivers/iommu/iommufd/hw_pagetable.c index 2abbeafdbd22..cbb5df0a6c32 100644 --- a/drivers/iommu/iommufd/hw_pagetable.c +++ b/drivers/iommu/iommufd/hw_pagetable.c @@ -318,9 +318,9 @@ out_unlock: if (ioas) mutex_unlock(&ioas->mutex); out_put_pt: - iommufd_put_object(pt_obj); + iommufd_put_object(ucmd->ictx, pt_obj); out_put_idev: - iommufd_put_object(&idev->obj); + iommufd_put_object(ucmd->ictx, &idev->obj); return rc; } @@ -345,7 +345,7 @@ int iommufd_hwpt_set_dirty_tracking(struct iommufd_ucmd *ucmd) rc = iopt_set_dirty_tracking(&ioas->iopt, hwpt_paging->common.domain, enable); - iommufd_put_object(&hwpt_paging->common.obj); + iommufd_put_object(ucmd->ictx, &hwpt_paging->common.obj); return rc; } @@ -368,6 +368,6 @@ int iommufd_hwpt_get_dirty_bitmap(struct iommufd_ucmd *ucmd) rc = iopt_read_and_clear_dirty_data( &ioas->iopt, hwpt_paging->common.domain, cmd->flags, cmd); - iommufd_put_object(&hwpt_paging->common.obj); + iommufd_put_object(ucmd->ictx, &hwpt_paging->common.obj); return rc; } diff --git a/drivers/iommu/iommufd/ioas.c b/drivers/iommu/iommufd/ioas.c index d5624577f79f..742248276548 100644 --- a/drivers/iommu/iommufd/ioas.c +++ b/drivers/iommu/iommufd/ioas.c @@ -105,7 +105,7 @@ int iommufd_ioas_iova_ranges(struct iommufd_ucmd *ucmd) rc = -EMSGSIZE; out_put: up_read(&ioas->iopt.iova_rwsem); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return rc; } @@ -175,7 +175,7 @@ out_free: interval_tree_remove(node, &allowed_iova); kfree(container_of(node, struct iopt_allowed, node)); } - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return rc; } @@ -228,7 +228,7 @@ int iommufd_ioas_map(struct iommufd_ucmd *ucmd) cmd->iova = iova; rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd)); out_put: - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return rc; } @@ -258,7 +258,7 @@ int iommufd_ioas_copy(struct iommufd_ucmd *ucmd) return PTR_ERR(src_ioas); rc = iopt_get_pages(&src_ioas->iopt, cmd->src_iova, cmd->length, &pages_list); - iommufd_put_object(&src_ioas->obj); + iommufd_put_object(ucmd->ictx, &src_ioas->obj); if (rc) return rc; @@ -279,7 +279,7 @@ int iommufd_ioas_copy(struct iommufd_ucmd *ucmd) cmd->dst_iova = iova; rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd)); out_put_dst: - iommufd_put_object(&dst_ioas->obj); + iommufd_put_object(ucmd->ictx, &dst_ioas->obj); out_pages: iopt_free_pages_list(&pages_list); return rc; @@ -315,7 +315,7 @@ int iommufd_ioas_unmap(struct iommufd_ucmd *ucmd) rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd)); out_put: - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return rc; } @@ -393,6 +393,6 @@ int iommufd_ioas_option(struct iommufd_ucmd *ucmd) rc = -EOPNOTSUPP; } - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return rc; } diff --git a/drivers/iommu/iommufd/iommufd_private.h b/drivers/iommu/iommufd/iommufd_private.h index a74cfefffbc6..abae041e256f 100644 --- a/drivers/iommu/iommufd/iommufd_private.h +++ b/drivers/iommu/iommufd/iommufd_private.h @@ -21,6 +21,7 @@ struct iommufd_ctx { struct file *file; struct xarray objects; struct xarray groups; + wait_queue_head_t destroy_wait; u8 account_mode; /* Compatibility with VFIO no iommu */ @@ -135,7 +136,7 @@ enum iommufd_object_type { /* Base struct for all objects with a userspace ID handle. */ struct iommufd_object { - struct rw_semaphore destroy_rwsem; + refcount_t shortterm_users; refcount_t users; enum iommufd_object_type type; unsigned int id; @@ -143,10 +144,15 @@ struct iommufd_object { static inline bool iommufd_lock_obj(struct iommufd_object *obj) { - if (!down_read_trylock(&obj->destroy_rwsem)) + if (!refcount_inc_not_zero(&obj->users)) return false; - if (!refcount_inc_not_zero(&obj->users)) { - up_read(&obj->destroy_rwsem); + if (!refcount_inc_not_zero(&obj->shortterm_users)) { + /* + * If the caller doesn't already have a ref on obj this must be + * called under the xa_lock. Otherwise the caller is holding a + * ref on users. Thus it cannot be one before this decrement. + */ + refcount_dec(&obj->users); return false; } return true; @@ -154,10 +160,16 @@ static inline bool iommufd_lock_obj(struct iommufd_object *obj) struct iommufd_object *iommufd_get_object(struct iommufd_ctx *ictx, u32 id, enum iommufd_object_type type); -static inline void iommufd_put_object(struct iommufd_object *obj) +static inline void iommufd_put_object(struct iommufd_ctx *ictx, + struct iommufd_object *obj) { + /* + * Users first, then shortterm so that REMOVE_WAIT_SHORTTERM never sees + * a spurious !0 users with a 0 shortterm_users. + */ refcount_dec(&obj->users); - up_read(&obj->destroy_rwsem); + if (refcount_dec_and_test(&obj->shortterm_users)) + wake_up_interruptible_all(&ictx->destroy_wait); } void iommufd_object_abort(struct iommufd_ctx *ictx, struct iommufd_object *obj); @@ -165,17 +177,49 @@ void iommufd_object_abort_and_destroy(struct iommufd_ctx *ictx, struct iommufd_object *obj); void iommufd_object_finalize(struct iommufd_ctx *ictx, struct iommufd_object *obj); -void __iommufd_object_destroy_user(struct iommufd_ctx *ictx, - struct iommufd_object *obj, bool allow_fail); + +enum { + REMOVE_WAIT_SHORTTERM = 1, +}; +int iommufd_object_remove(struct iommufd_ctx *ictx, + struct iommufd_object *to_destroy, u32 id, + unsigned int flags); + +/* + * The caller holds a users refcount and wants to destroy the object. At this + * point the caller has no shortterm_users reference and at least the xarray + * will be holding one. + */ static inline void iommufd_object_destroy_user(struct iommufd_ctx *ictx, struct iommufd_object *obj) { - __iommufd_object_destroy_user(ictx, obj, false); + int ret; + + ret = iommufd_object_remove(ictx, obj, obj->id, REMOVE_WAIT_SHORTTERM); + + /* + * If there is a bug and we couldn't destroy the object then we did put + * back the caller's users refcount and will eventually try to free it + * again during close. + */ + WARN_ON(ret); } -static inline void iommufd_object_deref_user(struct iommufd_ctx *ictx, - struct iommufd_object *obj) + +/* + * The HWPT allocated by autodomains is used in possibly many devices and + * is automatically destroyed when its refcount reaches zero. + * + * If userspace uses the HWPT manually, even for a short term, then it will + * disrupt this refcounting and the auto-free in the kernel will not work. + * Userspace that tries to use the automatically allocated HWPT must be careful + * to ensure that it is consistently destroyed, eg by not racing accesses + * and by not attaching an automatic HWPT to a device manually. + */ +static inline void +iommufd_object_put_and_try_destroy(struct iommufd_ctx *ictx, + struct iommufd_object *obj) { - __iommufd_object_destroy_user(ictx, obj, true); + iommufd_object_remove(ictx, obj, obj->id, 0); } struct iommufd_object *_iommufd_object_alloc(struct iommufd_ctx *ictx, @@ -311,7 +355,7 @@ static inline void iommufd_hw_pagetable_put(struct iommufd_ctx *ictx, lockdep_assert_not_held(&hwpt_paging->ioas->mutex); if (hwpt_paging->auto_domain) { - iommufd_object_deref_user(ictx, &hwpt->obj); + iommufd_object_put_and_try_destroy(ictx, &hwpt->obj); return; } } diff --git a/drivers/iommu/iommufd/main.c b/drivers/iommu/iommufd/main.c index 45b9d40773b1..c9091e46d208 100644 --- a/drivers/iommu/iommufd/main.c +++ b/drivers/iommu/iommufd/main.c @@ -33,7 +33,6 @@ struct iommufd_object *_iommufd_object_alloc(struct iommufd_ctx *ictx, size_t size, enum iommufd_object_type type) { - static struct lock_class_key obj_keys[IOMMUFD_OBJ_MAX]; struct iommufd_object *obj; int rc; @@ -41,15 +40,8 @@ struct iommufd_object *_iommufd_object_alloc(struct iommufd_ctx *ictx, if (!obj) return ERR_PTR(-ENOMEM); obj->type = type; - /* - * In most cases the destroy_rwsem is obtained with try so it doesn't - * interact with lockdep, however on destroy we have to sleep. This - * means if we have to destroy an object while holding a get on another - * object it triggers lockdep. Using one locking class per object type - * is a simple and reasonable way to avoid this. - */ - __init_rwsem(&obj->destroy_rwsem, "iommufd_object::destroy_rwsem", - &obj_keys[type]); + /* Starts out bias'd by 1 until it is removed from the xarray */ + refcount_set(&obj->shortterm_users, 1); refcount_set(&obj->users, 1); /* @@ -129,92 +121,113 @@ struct iommufd_object *iommufd_get_object(struct iommufd_ctx *ictx, u32 id, return obj; } +static int iommufd_object_dec_wait_shortterm(struct iommufd_ctx *ictx, + struct iommufd_object *to_destroy) +{ + if (refcount_dec_and_test(&to_destroy->shortterm_users)) + return 0; + + if (wait_event_timeout(ictx->destroy_wait, + refcount_read(&to_destroy->shortterm_users) == + 0, + msecs_to_jiffies(10000))) + return 0; + + pr_crit("Time out waiting for iommufd object to become free\n"); + refcount_inc(&to_destroy->shortterm_users); + return -EBUSY; +} + /* * Remove the given object id from the xarray if the only reference to the - * object is held by the xarray. The caller must call ops destroy(). + * object is held by the xarray. */ -static struct iommufd_object *iommufd_object_remove(struct iommufd_ctx *ictx, - u32 id, bool extra_put) +int iommufd_object_remove(struct iommufd_ctx *ictx, + struct iommufd_object *to_destroy, u32 id, + unsigned int flags) { struct iommufd_object *obj; XA_STATE(xas, &ictx->objects, id); - - xa_lock(&ictx->objects); - obj = xas_load(&xas); - if (xa_is_zero(obj) || !obj) { - obj = ERR_PTR(-ENOENT); - goto out_xa; - } + bool zerod_shortterm = false; + int ret; /* - * If the caller is holding a ref on obj we put it here under the - * spinlock. + * The purpose of the shortterm_users is to ensure deterministic + * destruction of objects used by external drivers and destroyed by this + * function. Any temporary increment of the refcount must increment + * shortterm_users, such as during ioctl execution. */ - if (extra_put) + if (flags & REMOVE_WAIT_SHORTTERM) { + ret = iommufd_object_dec_wait_shortterm(ictx, to_destroy); + if (ret) { + /* + * We have a bug. Put back the callers reference and + * defer cleaning this object until close. + */ + refcount_dec(&to_destroy->users); + return ret; + } + zerod_shortterm = true; + } + + xa_lock(&ictx->objects); + obj = xas_load(&xas); + if (to_destroy) { + /* + * If the caller is holding a ref on obj we put it here under + * the spinlock. + */ refcount_dec(&obj->users); + if (WARN_ON(obj != to_destroy)) { + ret = -ENOENT; + goto err_xa; + } + } else if (xa_is_zero(obj) || !obj) { + ret = -ENOENT; + goto err_xa; + } + if (!refcount_dec_if_one(&obj->users)) { - obj = ERR_PTR(-EBUSY); - goto out_xa; + ret = -EBUSY; + goto err_xa; } xas_store(&xas, NULL); if (ictx->vfio_ioas == container_of(obj, struct iommufd_ioas, obj)) ictx->vfio_ioas = NULL; - -out_xa: xa_unlock(&ictx->objects); - /* The returned object reference count is zero */ - return obj; -} - -/* - * The caller holds a users refcount and wants to destroy the object. Returns - * true if the object was destroyed. In all cases the caller no longer has a - * reference on obj. - */ -void __iommufd_object_destroy_user(struct iommufd_ctx *ictx, - struct iommufd_object *obj, bool allow_fail) -{ - struct iommufd_object *ret; - /* - * The purpose of the destroy_rwsem is to ensure deterministic - * destruction of objects used by external drivers and destroyed by this - * function. Any temporary increment of the refcount must hold the read - * side of this, such as during ioctl execution. - */ - down_write(&obj->destroy_rwsem); - ret = iommufd_object_remove(ictx, obj->id, true); - up_write(&obj->destroy_rwsem); - - if (allow_fail && IS_ERR(ret)) - return; - - /* - * If there is a bug and we couldn't destroy the object then we did put - * back the caller's refcount and will eventually try to free it again - * during close. + * Since users is zero any positive users_shortterm must be racing + * iommufd_put_object(), or we have a bug. */ - if (WARN_ON(IS_ERR(ret))) - return; + if (!zerod_shortterm) { + ret = iommufd_object_dec_wait_shortterm(ictx, obj); + if (WARN_ON(ret)) + return ret; + } iommufd_object_ops[obj->type].destroy(obj); kfree(obj); + return 0; + +err_xa: + if (zerod_shortterm) { + /* Restore the xarray owned reference */ + refcount_set(&obj->shortterm_users, 1); + } + xa_unlock(&ictx->objects); + + /* The returned object reference count is zero */ + return ret; } static int iommufd_destroy(struct iommufd_ucmd *ucmd) { struct iommu_destroy *cmd = ucmd->cmd; - struct iommufd_object *obj; - obj = iommufd_object_remove(ucmd->ictx, cmd->id, false); - if (IS_ERR(obj)) - return PTR_ERR(obj); - iommufd_object_ops[obj->type].destroy(obj); - kfree(obj); - return 0; + return iommufd_object_remove(ucmd->ictx, NULL, cmd->id, 0); } static int iommufd_fops_open(struct inode *inode, struct file *filp) @@ -238,6 +251,7 @@ static int iommufd_fops_open(struct inode *inode, struct file *filp) xa_init_flags(&ictx->objects, XA_FLAGS_ALLOC1 | XA_FLAGS_ACCOUNT); xa_init(&ictx->groups); ictx->file = filp; + init_waitqueue_head(&ictx->destroy_wait); filp->private_data = ictx; return 0; } diff --git a/drivers/iommu/iommufd/selftest.c b/drivers/iommu/iommufd/selftest.c index 5d93434003d8..022ef8f55088 100644 --- a/drivers/iommu/iommufd/selftest.c +++ b/drivers/iommu/iommufd/selftest.c @@ -86,7 +86,7 @@ void iommufd_test_syz_conv_iova_id(struct iommufd_ucmd *ucmd, if (IS_ERR(ioas)) return; *iova = iommufd_test_syz_conv_iova(&ioas->iopt, iova); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); } struct mock_iommu_domain { @@ -500,7 +500,7 @@ get_md_pagetable(struct iommufd_ucmd *ucmd, u32 mockpt_id, return hwpt; if (hwpt->domain->type != IOMMU_DOMAIN_UNMANAGED || hwpt->domain->ops != mock_ops.default_domain_ops) { - iommufd_put_object(&hwpt->obj); + iommufd_put_object(ucmd->ictx, &hwpt->obj); return ERR_PTR(-EINVAL); } *mock = container_of(hwpt->domain, struct mock_iommu_domain, domain); @@ -518,7 +518,7 @@ get_md_pagetable_nested(struct iommufd_ucmd *ucmd, u32 mockpt_id, return hwpt; if (hwpt->domain->type != IOMMU_DOMAIN_NESTED || hwpt->domain->ops != &domain_nested_ops) { - iommufd_put_object(&hwpt->obj); + iommufd_put_object(ucmd->ictx, &hwpt->obj); return ERR_PTR(-EINVAL); } *mock_nested = container_of(hwpt->domain, @@ -681,7 +681,7 @@ static int iommufd_test_mock_domain_replace(struct iommufd_ucmd *ucmd, rc = iommufd_ucmd_respond(ucmd, sizeof(*cmd)); out_dev_obj: - iommufd_put_object(dev_obj); + iommufd_put_object(ucmd->ictx, dev_obj); return rc; } @@ -699,7 +699,7 @@ static int iommufd_test_add_reserved(struct iommufd_ucmd *ucmd, down_write(&ioas->iopt.iova_rwsem); rc = iopt_reserve_iova(&ioas->iopt, start, start + length - 1, NULL); up_write(&ioas->iopt.iova_rwsem); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return rc; } @@ -754,7 +754,7 @@ static int iommufd_test_md_check_pa(struct iommufd_ucmd *ucmd, rc = 0; out_put: - iommufd_put_object(&hwpt->obj); + iommufd_put_object(ucmd->ictx, &hwpt->obj); return rc; } @@ -1233,7 +1233,7 @@ static int iommufd_test_dirty(struct iommufd_ucmd *ucmd, unsigned int mockpt_id, out_free: kvfree(tmp); out_put: - iommufd_put_object(&hwpt->obj); + iommufd_put_object(ucmd->ictx, &hwpt->obj); return rc; } diff --git a/drivers/iommu/iommufd/vfio_compat.c b/drivers/iommu/iommufd/vfio_compat.c index 538fbf76354d..a3ad5f0b6c59 100644 --- a/drivers/iommu/iommufd/vfio_compat.c +++ b/drivers/iommu/iommufd/vfio_compat.c @@ -41,7 +41,7 @@ int iommufd_vfio_compat_ioas_get_id(struct iommufd_ctx *ictx, u32 *out_ioas_id) if (IS_ERR(ioas)) return PTR_ERR(ioas); *out_ioas_id = ioas->obj.id; - iommufd_put_object(&ioas->obj); + iommufd_put_object(ictx, &ioas->obj); return 0; } EXPORT_SYMBOL_NS_GPL(iommufd_vfio_compat_ioas_get_id, IOMMUFD_VFIO); @@ -98,7 +98,7 @@ int iommufd_vfio_compat_ioas_create(struct iommufd_ctx *ictx) if (ictx->vfio_ioas && iommufd_lock_obj(&ictx->vfio_ioas->obj)) { ret = 0; - iommufd_put_object(&ictx->vfio_ioas->obj); + iommufd_put_object(ictx, &ictx->vfio_ioas->obj); goto out_abort; } ictx->vfio_ioas = ioas; @@ -133,7 +133,7 @@ int iommufd_vfio_ioas(struct iommufd_ucmd *ucmd) if (IS_ERR(ioas)) return PTR_ERR(ioas); cmd->ioas_id = ioas->obj.id; - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return iommufd_ucmd_respond(ucmd, sizeof(*cmd)); case IOMMU_VFIO_IOAS_SET: @@ -143,7 +143,7 @@ int iommufd_vfio_ioas(struct iommufd_ucmd *ucmd) xa_lock(&ucmd->ictx->objects); ucmd->ictx->vfio_ioas = ioas; xa_unlock(&ucmd->ictx->objects); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ucmd->ictx, &ioas->obj); return 0; case IOMMU_VFIO_IOAS_CLEAR: @@ -190,7 +190,7 @@ static int iommufd_vfio_map_dma(struct iommufd_ctx *ictx, unsigned int cmd, iova = map.iova; rc = iopt_map_user_pages(ictx, &ioas->iopt, &iova, u64_to_user_ptr(map.vaddr), map.size, iommu_prot, 0); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ictx, &ioas->obj); return rc; } @@ -249,7 +249,7 @@ static int iommufd_vfio_unmap_dma(struct iommufd_ctx *ictx, unsigned int cmd, rc = -EFAULT; err_put: - iommufd_put_object(&ioas->obj); + iommufd_put_object(ictx, &ioas->obj); return rc; } @@ -272,7 +272,7 @@ static int iommufd_vfio_cc_iommu(struct iommufd_ctx *ictx) } mutex_unlock(&ioas->mutex); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ictx, &ioas->obj); return rc; } @@ -349,7 +349,7 @@ static int iommufd_vfio_set_iommu(struct iommufd_ctx *ictx, unsigned long type) */ if (type == VFIO_TYPE1_IOMMU) rc = iopt_disable_large_pages(&ioas->iopt); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ictx, &ioas->obj); return rc; } @@ -511,7 +511,7 @@ static int iommufd_vfio_iommu_get_info(struct iommufd_ctx *ictx, out_put: up_read(&ioas->iopt.iova_rwsem); - iommufd_put_object(&ioas->obj); + iommufd_put_object(ictx, &ioas->obj); return rc; } diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c index e358e77e4b38..d76214fa9ad8 100644 --- a/drivers/leds/trigger/ledtrig-netdev.c +++ b/drivers/leds/trigger/ledtrig-netdev.c @@ -226,6 +226,11 @@ static int set_device_name(struct led_netdev_data *trigger_data, cancel_delayed_work_sync(&trigger_data->work); + /* + * Take RTNL lock before trigger_data lock to prevent potential + * deadlock with netdev notifier registration. + */ + rtnl_lock(); mutex_lock(&trigger_data->lock); if (trigger_data->net_dev) { @@ -245,16 +250,14 @@ static int set_device_name(struct led_netdev_data *trigger_data, trigger_data->carrier_link_up = false; trigger_data->link_speed = SPEED_UNKNOWN; trigger_data->duplex = DUPLEX_UNKNOWN; - if (trigger_data->net_dev != NULL) { - rtnl_lock(); + if (trigger_data->net_dev) get_device_state(trigger_data); - rtnl_unlock(); - } trigger_data->last_activity = 0; set_baseline_state(trigger_data); mutex_unlock(&trigger_data->lock); + rtnl_unlock(); return 0; } diff --git a/drivers/md/md.c b/drivers/md/md.c index c94373d64f2c..b066abbffd10 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -490,7 +490,7 @@ int mddev_suspend(struct mddev *mddev, bool interruptible) } EXPORT_SYMBOL_GPL(mddev_suspend); -void mddev_resume(struct mddev *mddev) +static void __mddev_resume(struct mddev *mddev, bool recovery_needed) { lockdep_assert_not_held(&mddev->reconfig_mutex); @@ -507,12 +507,18 @@ void mddev_resume(struct mddev *mddev) percpu_ref_resurrect(&mddev->active_io); wake_up(&mddev->sb_wait); - set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); + if (recovery_needed) + set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); md_wakeup_thread(mddev->sync_thread); /* possibly kick off a reshape */ mutex_unlock(&mddev->suspend_mutex); } + +void mddev_resume(struct mddev *mddev) +{ + return __mddev_resume(mddev, true); +} EXPORT_SYMBOL_GPL(mddev_resume); /* @@ -4840,25 +4846,29 @@ action_show(struct mddev *mddev, char *page) return sprintf(page, "%s\n", type); } -static void stop_sync_thread(struct mddev *mddev) +/** + * stop_sync_thread() - wait for sync_thread to stop if it's running. + * @mddev: the array. + * @locked: if set, reconfig_mutex will still be held after this function + * return; if not set, reconfig_mutex will be released after this + * function return. + * @check_seq: if set, only wait for curent running sync_thread to stop, noted + * that new sync_thread can still start. + */ +static void stop_sync_thread(struct mddev *mddev, bool locked, bool check_seq) { - if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) - return; + int sync_seq; - if (mddev_lock(mddev)) - return; + if (check_seq) + sync_seq = atomic_read(&mddev->sync_seq); - /* - * Check again in case MD_RECOVERY_RUNNING is cleared before lock is - * held. - */ if (!test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) { - mddev_unlock(mddev); + if (!locked) + mddev_unlock(mddev); return; } - if (work_pending(&mddev->del_work)) - flush_workqueue(md_misc_wq); + mddev_unlock(mddev); set_bit(MD_RECOVERY_INTR, &mddev->recovery); /* @@ -4866,21 +4876,28 @@ static void stop_sync_thread(struct mddev *mddev) * never happen */ md_wakeup_thread_directly(mddev->sync_thread); + if (work_pending(&mddev->sync_work)) + flush_work(&mddev->sync_work); - mddev_unlock(mddev); + wait_event(resync_wait, + !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) || + (check_seq && sync_seq != atomic_read(&mddev->sync_seq))); + + if (locked) + mddev_lock_nointr(mddev); } static void idle_sync_thread(struct mddev *mddev) { - int sync_seq = atomic_read(&mddev->sync_seq); - mutex_lock(&mddev->sync_mutex); clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - stop_sync_thread(mddev); - wait_event(resync_wait, sync_seq != atomic_read(&mddev->sync_seq) || - !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)); + if (mddev_lock(mddev)) { + mutex_unlock(&mddev->sync_mutex); + return; + } + stop_sync_thread(mddev, false, true); mutex_unlock(&mddev->sync_mutex); } @@ -4888,11 +4905,13 @@ static void frozen_sync_thread(struct mddev *mddev) { mutex_lock(&mddev->sync_mutex); set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - stop_sync_thread(mddev); - wait_event(resync_wait, mddev->sync_thread == NULL && - !test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)); + if (mddev_lock(mddev)) { + mutex_unlock(&mddev->sync_mutex); + return; + } + stop_sync_thread(mddev, false, false); mutex_unlock(&mddev->sync_mutex); } @@ -6264,14 +6283,7 @@ static void md_clean(struct mddev *mddev) static void __md_stop_writes(struct mddev *mddev) { - set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - if (work_pending(&mddev->del_work)) - flush_workqueue(md_misc_wq); - if (mddev->sync_thread) { - set_bit(MD_RECOVERY_INTR, &mddev->recovery); - md_reap_sync_thread(mddev); - } - + stop_sync_thread(mddev, true, false); del_timer_sync(&mddev->safemode_timer); if (mddev->pers && mddev->pers->quiesce) { @@ -6355,25 +6367,16 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) int err = 0; int did_freeze = 0; + if (mddev->external && test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags)) + return -EBUSY; + if (!test_bit(MD_RECOVERY_FROZEN, &mddev->recovery)) { did_freeze = 1; set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); md_wakeup_thread(mddev->thread); } - if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) - set_bit(MD_RECOVERY_INTR, &mddev->recovery); - /* - * Thread might be blocked waiting for metadata update which will now - * never happen - */ - md_wakeup_thread_directly(mddev->sync_thread); - - if (mddev->external && test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags)) - return -EBUSY; - mddev_unlock(mddev); - wait_event(resync_wait, !test_bit(MD_RECOVERY_RUNNING, - &mddev->recovery)); + stop_sync_thread(mddev, false, false); wait_event(mddev->sb_wait, !test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags)); mddev_lock_nointr(mddev); @@ -6383,29 +6386,30 @@ static int md_set_readonly(struct mddev *mddev, struct block_device *bdev) mddev->sync_thread || test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) { pr_warn("md: %s still in use.\n",mdname(mddev)); - if (did_freeze) { - clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); - set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); - md_wakeup_thread(mddev->thread); - } err = -EBUSY; goto out; } + if (mddev->pers) { __md_stop_writes(mddev); - err = -ENXIO; - if (mddev->ro == MD_RDONLY) + if (mddev->ro == MD_RDONLY) { + err = -ENXIO; goto out; + } + mddev->ro = MD_RDONLY; set_disk_ro(mddev->gendisk, 1); + } + +out: + if ((mddev->pers && !err) || did_freeze) { clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery); set_bit(MD_RECOVERY_NEEDED, &mddev->recovery); md_wakeup_thread(mddev->thread); sysfs_notify_dirent_safe(mddev->sysfs_state); - err = 0; } -out: + mutex_unlock(&mddev->open_mutex); return err; } @@ -6426,20 +6430,8 @@ static int do_md_stop(struct mddev *mddev, int mode, set_bit(MD_RECOVERY_FROZEN, &mddev->recovery); md_wakeup_thread(mddev->thread); } - if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery)) - set_bit(MD_RECOVERY_INTR, &mddev->recovery); - - /* - * Thread might be blocked waiting for metadata update which will now - * never happen - */ - md_wakeup_thread_directly(mddev->sync_thread); - mddev_unlock(mddev); - wait_event(resync_wait, (mddev->sync_thread == NULL && - !test_bit(MD_RECOVERY_RUNNING, - &mddev->recovery))); - mddev_lock_nointr(mddev); + stop_sync_thread(mddev, true, false); mutex_lock(&mddev->open_mutex); if ((mddev->pers && atomic_read(&mddev->openers) > !!bdev) || @@ -9403,7 +9395,15 @@ static void md_start_sync(struct work_struct *ws) goto not_running; } - suspend ? mddev_unlock_and_resume(mddev) : mddev_unlock(mddev); + mddev_unlock(mddev); + /* + * md_start_sync was triggered by MD_RECOVERY_NEEDED, so we should + * not set it again. Otherwise, we may cause issue like this one: + * https://bugzilla.kernel.org/show_bug.cgi?id=218200 + * Therefore, use __mddev_resume(mddev, false). + */ + if (suspend) + __mddev_resume(mddev, false); md_wakeup_thread(mddev->sync_thread); sysfs_notify_dirent_safe(mddev->sysfs_action); md_new_event(); @@ -9415,7 +9415,15 @@ not_running: clear_bit(MD_RECOVERY_REQUESTED, &mddev->recovery); clear_bit(MD_RECOVERY_CHECK, &mddev->recovery); clear_bit(MD_RECOVERY_RUNNING, &mddev->recovery); - suspend ? mddev_unlock_and_resume(mddev) : mddev_unlock(mddev); + mddev_unlock(mddev); + /* + * md_start_sync was triggered by MD_RECOVERY_NEEDED, so we should + * not set it again. Otherwise, we may cause issue like this one: + * https://bugzilla.kernel.org/show_bug.cgi?id=218200 + * Therefore, use __mddev_resume(mddev, false). + */ + if (suspend) + __mddev_resume(mddev, false); wake_up(&resync_wait); if (test_and_clear_bit(MD_RECOVERY_RECOVER, &mddev->recovery) && diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index dc031d42f53b..26e1e8a5e941 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -5892,11 +5892,11 @@ static bool stripe_ahead_of_reshape(struct mddev *mddev, struct r5conf *conf, int dd_idx; for (dd_idx = 0; dd_idx < sh->disks; dd_idx++) { - if (dd_idx == sh->pd_idx) + if (dd_idx == sh->pd_idx || dd_idx == sh->qd_idx) continue; min_sector = min(min_sector, sh->dev[dd_idx].sector); - max_sector = min(max_sector, sh->dev[dd_idx].sector); + max_sector = max(max_sector, sh->dev[dd_idx].sector); } spin_lock_irq(&conf->device_lock); diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 9c8fc87938a7..9d090fa07516 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -2011,7 +2011,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, unsigned long time mei_hdr = mei_msg_hdr_init(cb); if (IS_ERR(mei_hdr)) { - rets = -PTR_ERR(mei_hdr); + rets = PTR_ERR(mei_hdr); mei_hdr = NULL; goto err; } @@ -2032,7 +2032,7 @@ ssize_t mei_cl_write(struct mei_cl *cl, struct mei_cl_cb *cb, unsigned long time hbuf_slots = mei_hbuf_empty_slots(dev); if (hbuf_slots < 0) { - rets = -EOVERFLOW; + buf_len = -EOVERFLOW; goto out; } diff --git a/drivers/misc/mei/pxp/mei_pxp.c b/drivers/misc/mei/pxp/mei_pxp.c index f77d78fa5054..787c6a27a4be 100644 --- a/drivers/misc/mei/pxp/mei_pxp.c +++ b/drivers/misc/mei/pxp/mei_pxp.c @@ -84,9 +84,10 @@ mei_pxp_send_message(struct device *dev, const void *message, size_t size, unsig byte = ret; break; } + return byte; } - return byte; + return 0; } /** diff --git a/drivers/net/arcnet/arcdevice.h b/drivers/net/arcnet/arcdevice.h index 19e996a829c9..b54275389f8a 100644 --- a/drivers/net/arcnet/arcdevice.h +++ b/drivers/net/arcnet/arcdevice.h @@ -186,6 +186,8 @@ do { \ #define ARC_IS_5MBIT 1 /* card default speed is 5MBit */ #define ARC_CAN_10MBIT 2 /* card uses COM20022, supporting 10MBit, but default is 2.5MBit. */ +#define ARC_HAS_LED 4 /* card has software controlled LEDs */ +#define ARC_HAS_ROTARY 8 /* card has rotary encoder */ /* information needed to define an encapsulation driver */ struct ArcProto { diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c index c580acb8b1d3..7b5c8bb02f11 100644 --- a/drivers/net/arcnet/com20020-pci.c +++ b/drivers/net/arcnet/com20020-pci.c @@ -213,12 +213,13 @@ static int com20020pci_probe(struct pci_dev *pdev, if (!strncmp(ci->name, "EAE PLX-PCI FB2", 15)) lp->backplane = 1; - /* Get the dev_id from the PLX rotary coder */ - if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) - dev_id_mask = 0x3; - dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask; - - snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i); + if (ci->flags & ARC_HAS_ROTARY) { + /* Get the dev_id from the PLX rotary coder */ + if (!strncmp(ci->name, "EAE PLX-PCI MA1", 15)) + dev_id_mask = 0x3; + dev->dev_id = (inb(priv->misc + ci->rotary) >> 4) & dev_id_mask; + snprintf(dev->name, sizeof(dev->name), "arc%d-%d", dev->dev_id, i); + } if (arcnet_inb(ioaddr, COM20020_REG_R_STATUS) == 0xFF) { pr_err("IO address %Xh is empty!\n", ioaddr); @@ -230,6 +231,10 @@ static int com20020pci_probe(struct pci_dev *pdev, goto err_free_arcdev; } + ret = com20020_found(dev, IRQF_SHARED); + if (ret) + goto err_free_arcdev; + card = devm_kzalloc(&pdev->dev, sizeof(struct com20020_dev), GFP_KERNEL); if (!card) { @@ -239,41 +244,39 @@ static int com20020pci_probe(struct pci_dev *pdev, card->index = i; card->pci_priv = priv; - card->tx_led.brightness_set = led_tx_set; - card->tx_led.default_trigger = devm_kasprintf(&pdev->dev, - GFP_KERNEL, "arc%d-%d-tx", - dev->dev_id, i); - card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "pci:green:tx:%d-%d", - dev->dev_id, i); - - card->tx_led.dev = &dev->dev; - card->recon_led.brightness_set = led_recon_set; - card->recon_led.default_trigger = devm_kasprintf(&pdev->dev, - GFP_KERNEL, "arc%d-%d-recon", - dev->dev_id, i); - card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, - "pci:red:recon:%d-%d", - dev->dev_id, i); - card->recon_led.dev = &dev->dev; - card->dev = dev; - - ret = devm_led_classdev_register(&pdev->dev, &card->tx_led); - if (ret) - goto err_free_arcdev; - ret = devm_led_classdev_register(&pdev->dev, &card->recon_led); - if (ret) - goto err_free_arcdev; - - dev_set_drvdata(&dev->dev, card); - - ret = com20020_found(dev, IRQF_SHARED); - if (ret) - goto err_free_arcdev; - - devm_arcnet_led_init(dev, dev->dev_id, i); + if (ci->flags & ARC_HAS_LED) { + card->tx_led.brightness_set = led_tx_set; + card->tx_led.default_trigger = devm_kasprintf(&pdev->dev, + GFP_KERNEL, "arc%d-%d-tx", + dev->dev_id, i); + card->tx_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, + "pci:green:tx:%d-%d", + dev->dev_id, i); + + card->tx_led.dev = &dev->dev; + card->recon_led.brightness_set = led_recon_set; + card->recon_led.default_trigger = devm_kasprintf(&pdev->dev, + GFP_KERNEL, "arc%d-%d-recon", + dev->dev_id, i); + card->recon_led.name = devm_kasprintf(&pdev->dev, GFP_KERNEL, + "pci:red:recon:%d-%d", + dev->dev_id, i); + card->recon_led.dev = &dev->dev; + + ret = devm_led_classdev_register(&pdev->dev, &card->tx_led); + if (ret) + goto err_free_arcdev; + + ret = devm_led_classdev_register(&pdev->dev, &card->recon_led); + if (ret) + goto err_free_arcdev; + + dev_set_drvdata(&dev->dev, card); + devm_arcnet_led_init(dev, dev->dev_id, i); + } + card->dev = dev; list_add(&card->list, &priv->list_dev); continue; @@ -329,7 +332,7 @@ static struct com20020_pci_card_info card_info_5mbit = { }; static struct com20020_pci_card_info card_info_sohard = { - .name = "PLX-PCI", + .name = "SOHARD SH ARC-PCI", .devcount = 1, /* SOHARD needs PCI base addr 4 */ .chan_map_tbl = { @@ -364,7 +367,7 @@ static struct com20020_pci_card_info card_info_eae_arc1 = { }, }, .rotary = 0x0, - .flags = ARC_CAN_10MBIT, + .flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT, }; static struct com20020_pci_card_info card_info_eae_ma1 = { @@ -396,7 +399,7 @@ static struct com20020_pci_card_info card_info_eae_ma1 = { }, }, .rotary = 0x0, - .flags = ARC_CAN_10MBIT, + .flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT, }; static struct com20020_pci_card_info card_info_eae_fb2 = { @@ -421,7 +424,7 @@ static struct com20020_pci_card_info card_info_eae_fb2 = { }, }, .rotary = 0x0, - .flags = ARC_CAN_10MBIT, + .flags = ARC_HAS_ROTARY | ARC_HAS_LED | ARC_CAN_10MBIT, }; static const struct pci_device_id com20020pci_id_table[] = { diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c index 3fed406fb46a..ff4b39601c93 100644 --- a/drivers/net/dsa/microchip/ksz_common.c +++ b/drivers/net/dsa/microchip/ksz_common.c @@ -2713,10 +2713,18 @@ static int ksz_connect_tag_protocol(struct dsa_switch *ds, { struct ksz_tagger_data *tagger_data; - tagger_data = ksz_tagger_data(ds); - tagger_data->xmit_work_fn = ksz_port_deferred_xmit; - - return 0; + switch (proto) { + case DSA_TAG_PROTO_KSZ8795: + return 0; + case DSA_TAG_PROTO_KSZ9893: + case DSA_TAG_PROTO_KSZ9477: + case DSA_TAG_PROTO_LAN937X: + tagger_data = ksz_tagger_data(ds); + tagger_data->xmit_work_fn = ksz_port_deferred_xmit; + return 0; + default: + return -EPROTONOSUPPORT; + } } static int ksz_port_vlan_filtering(struct dsa_switch *ds, int port, diff --git a/drivers/net/dsa/mv88e6xxx/pcs-639x.c b/drivers/net/dsa/mv88e6xxx/pcs-639x.c index 9a8429f5d09c..d758a6c1b226 100644 --- a/drivers/net/dsa/mv88e6xxx/pcs-639x.c +++ b/drivers/net/dsa/mv88e6xxx/pcs-639x.c @@ -465,6 +465,7 @@ mv88e639x_pcs_select(struct mv88e6xxx_chip *chip, int port, case PHY_INTERFACE_MODE_10GBASER: case PHY_INTERFACE_MODE_XAUI: case PHY_INTERFACE_MODE_RXAUI: + case PHY_INTERFACE_MODE_USXGMII: return &mpcs->xg_pcs; default: @@ -873,7 +874,8 @@ static int mv88e6393x_xg_pcs_post_config(struct phylink_pcs *pcs, struct mv88e639x_pcs *mpcs = xg_pcs_to_mv88e639x_pcs(pcs); int err; - if (interface == PHY_INTERFACE_MODE_10GBASER) { + if (interface == PHY_INTERFACE_MODE_10GBASER || + interface == PHY_INTERFACE_MODE_USXGMII) { err = mv88e6393x_erratum_5_2(mpcs); if (err) return err; @@ -886,12 +888,37 @@ static int mv88e6393x_xg_pcs_post_config(struct phylink_pcs *pcs, return mv88e639x_xg_pcs_enable(mpcs); } +static void mv88e6393x_xg_pcs_get_state(struct phylink_pcs *pcs, + struct phylink_link_state *state) +{ + struct mv88e639x_pcs *mpcs = xg_pcs_to_mv88e639x_pcs(pcs); + u16 status, lp_status; + int err; + + if (state->interface != PHY_INTERFACE_MODE_USXGMII) + return mv88e639x_xg_pcs_get_state(pcs, state); + + state->link = false; + + err = mv88e639x_read(mpcs, MV88E6390_USXGMII_PHY_STATUS, &status); + err = err ? : mv88e639x_read(mpcs, MV88E6390_USXGMII_LP_STATUS, &lp_status); + if (err) { + dev_err(mpcs->mdio.dev.parent, + "can't read USXGMII status: %pe\n", ERR_PTR(err)); + return; + } + + state->link = !!(status & MDIO_USXGMII_LINK); + state->an_complete = state->link; + phylink_decode_usxgmii_word(state, lp_status); +} + static const struct phylink_pcs_ops mv88e6393x_xg_pcs_ops = { .pcs_enable = mv88e6393x_xg_pcs_enable, .pcs_disable = mv88e6393x_xg_pcs_disable, .pcs_pre_config = mv88e6393x_xg_pcs_pre_config, .pcs_post_config = mv88e6393x_xg_pcs_post_config, - .pcs_get_state = mv88e639x_xg_pcs_get_state, + .pcs_get_state = mv88e6393x_xg_pcs_get_state, .pcs_config = mv88e639x_xg_pcs_config, }; diff --git a/drivers/net/ethernet/amazon/ena/ena_eth_com.c b/drivers/net/ethernet/amazon/ena/ena_eth_com.c index 3d6f0a466a9e..f9f886289b97 100644 --- a/drivers/net/ethernet/amazon/ena/ena_eth_com.c +++ b/drivers/net/ethernet/amazon/ena/ena_eth_com.c @@ -328,9 +328,6 @@ static int ena_com_create_and_store_tx_meta_desc(struct ena_com_io_sq *io_sq, * compare it to the stored version, just create the meta */ if (io_sq->disable_meta_caching) { - if (unlikely(!ena_tx_ctx->meta_valid)) - return -EINVAL; - *have_meta = true; return ena_com_create_meta(io_sq, ena_meta); } diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c index b5bca4814830..c44c44e26ddf 100644 --- a/drivers/net/ethernet/amazon/ena/ena_netdev.c +++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c @@ -74,6 +74,8 @@ static void ena_unmap_tx_buff(struct ena_ring *tx_ring, struct ena_tx_buffer *tx_info); static int ena_create_io_tx_queues_in_range(struct ena_adapter *adapter, int first_index, int count); +static void ena_free_all_io_tx_resources_in_range(struct ena_adapter *adapter, + int first_index, int count); /* Increase a stat by cnt while holding syncp seqlock on 32bit machines */ static void ena_increase_stat(u64 *statp, u64 cnt, @@ -457,23 +459,22 @@ static void ena_init_all_xdp_queues(struct ena_adapter *adapter) static int ena_setup_and_create_all_xdp_queues(struct ena_adapter *adapter) { + u32 xdp_first_ring = adapter->xdp_first_ring; + u32 xdp_num_queues = adapter->xdp_num_queues; int rc = 0; - rc = ena_setup_tx_resources_in_range(adapter, adapter->xdp_first_ring, - adapter->xdp_num_queues); + rc = ena_setup_tx_resources_in_range(adapter, xdp_first_ring, xdp_num_queues); if (rc) goto setup_err; - rc = ena_create_io_tx_queues_in_range(adapter, - adapter->xdp_first_ring, - adapter->xdp_num_queues); + rc = ena_create_io_tx_queues_in_range(adapter, xdp_first_ring, xdp_num_queues); if (rc) goto create_err; return 0; create_err: - ena_free_all_io_tx_resources(adapter); + ena_free_all_io_tx_resources_in_range(adapter, xdp_first_ring, xdp_num_queues); setup_err: return rc; } @@ -1492,11 +1493,6 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring, if (unlikely(!skb)) return NULL; - /* sync this buffer for CPU use */ - dma_sync_single_for_cpu(rx_ring->dev, - dma_unmap_addr(&rx_info->ena_buf, paddr) + pkt_offset, - len, - DMA_FROM_DEVICE); skb_copy_to_linear_data(skb, buf_addr + buf_offset, len); dma_sync_single_for_device(rx_ring->dev, dma_unmap_addr(&rx_info->ena_buf, paddr) + pkt_offset, @@ -1515,17 +1511,10 @@ static struct sk_buff *ena_rx_skb(struct ena_ring *rx_ring, buf_len = SKB_DATA_ALIGN(len + buf_offset + tailroom); - pre_reuse_paddr = dma_unmap_addr(&rx_info->ena_buf, paddr); - /* If XDP isn't loaded try to reuse part of the RX buffer */ reuse_rx_buf_page = !is_xdp_loaded && ena_try_rx_buf_page_reuse(rx_info, buf_len, len, pkt_offset); - dma_sync_single_for_cpu(rx_ring->dev, - pre_reuse_paddr + pkt_offset, - len, - DMA_FROM_DEVICE); - if (!reuse_rx_buf_page) ena_unmap_rx_buff_attrs(rx_ring, rx_info, DMA_ATTR_SKIP_CPU_SYNC); @@ -1671,20 +1660,23 @@ static void ena_set_rx_hash(struct ena_ring *rx_ring, } } -static int ena_xdp_handle_buff(struct ena_ring *rx_ring, struct xdp_buff *xdp) +static int ena_xdp_handle_buff(struct ena_ring *rx_ring, struct xdp_buff *xdp, u16 num_descs) { struct ena_rx_buffer *rx_info; int ret; + /* XDP multi-buffer packets not supported */ + if (unlikely(num_descs > 1)) { + netdev_err_once(rx_ring->adapter->netdev, + "xdp: dropped unsupported multi-buffer packets\n"); + ena_increase_stat(&rx_ring->rx_stats.xdp_drop, 1, &rx_ring->syncp); + return ENA_XDP_DROP; + } + rx_info = &rx_ring->rx_buffer_info[rx_ring->ena_bufs[0].req_id]; xdp_prepare_buff(xdp, page_address(rx_info->page), rx_info->buf_offset, rx_ring->ena_bufs[0].len, false); - /* If for some reason we received a bigger packet than - * we expect, then we simply drop it - */ - if (unlikely(rx_ring->ena_bufs[0].len > ENA_XDP_MAX_MTU)) - return ENA_XDP_DROP; ret = ena_xdp_execute(rx_ring, xdp); @@ -1719,6 +1711,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, int xdp_flags = 0; int total_len = 0; int xdp_verdict; + u8 pkt_offset; int rc = 0; int i; @@ -1745,15 +1738,21 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, /* First descriptor might have an offset set by the device */ rx_info = &rx_ring->rx_buffer_info[rx_ring->ena_bufs[0].req_id]; - rx_info->buf_offset += ena_rx_ctx.pkt_offset; + pkt_offset = ena_rx_ctx.pkt_offset; + rx_info->buf_offset += pkt_offset; netif_dbg(rx_ring->adapter, rx_status, rx_ring->netdev, "rx_poll: q %d got packet from ena. descs #: %d l3 proto %d l4 proto %d hash: %x\n", rx_ring->qid, ena_rx_ctx.descs, ena_rx_ctx.l3_proto, ena_rx_ctx.l4_proto, ena_rx_ctx.hash); + dma_sync_single_for_cpu(rx_ring->dev, + dma_unmap_addr(&rx_info->ena_buf, paddr) + pkt_offset, + rx_ring->ena_bufs[0].len, + DMA_FROM_DEVICE); + if (ena_xdp_present_ring(rx_ring)) - xdp_verdict = ena_xdp_handle_buff(rx_ring, &xdp); + xdp_verdict = ena_xdp_handle_buff(rx_ring, &xdp, ena_rx_ctx.descs); /* allocate skb and fill it */ if (xdp_verdict == ENA_XDP_PASS) @@ -1777,7 +1776,7 @@ static int ena_clean_rx_irq(struct ena_ring *rx_ring, struct napi_struct *napi, if (xdp_verdict & ENA_XDP_FORWARDED) { ena_unmap_rx_buff_attrs(rx_ring, &rx_ring->rx_buffer_info[req_id], - 0); + DMA_ATTR_SKIP_CPU_SYNC); rx_ring->rx_buffer_info[req_id].page = NULL; } } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c index 80b44043e6c5..28c9b6f1a54f 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.c @@ -553,17 +553,17 @@ void aq_ptp_tx_hwtstamp(struct aq_nic_s *aq_nic, u64 timestamp) /* aq_ptp_rx_hwtstamp - utility function which checks for RX time stamp * @adapter: pointer to adapter struct - * @skb: particular skb to send timestamp with + * @shhwtstamps: particular skb_shared_hwtstamps to save timestamp * * if the timestamp is valid, we convert it into the timecounter ns * value, then store that result into the hwtstamps structure which * is passed up the network stack */ -static void aq_ptp_rx_hwtstamp(struct aq_ptp_s *aq_ptp, struct sk_buff *skb, +static void aq_ptp_rx_hwtstamp(struct aq_ptp_s *aq_ptp, struct skb_shared_hwtstamps *shhwtstamps, u64 timestamp) { timestamp -= atomic_read(&aq_ptp->offset_ingress); - aq_ptp_convert_to_hwtstamp(aq_ptp, skb_hwtstamps(skb), timestamp); + aq_ptp_convert_to_hwtstamp(aq_ptp, shhwtstamps, timestamp); } void aq_ptp_hwtstamp_config_get(struct aq_ptp_s *aq_ptp, @@ -639,7 +639,7 @@ bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring) &aq_ptp->ptp_rx == ring || &aq_ptp->hwts_rx == ring; } -u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct sk_buff *skb, u8 *p, +u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct skb_shared_hwtstamps *shhwtstamps, u8 *p, unsigned int len) { struct aq_ptp_s *aq_ptp = aq_nic->aq_ptp; @@ -648,7 +648,7 @@ u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct sk_buff *skb, u8 *p, p, len, ×tamp); if (ret > 0) - aq_ptp_rx_hwtstamp(aq_ptp, skb, timestamp); + aq_ptp_rx_hwtstamp(aq_ptp, shhwtstamps, timestamp); return ret; } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h index 28ccb7ca2df9..210b723f2207 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ptp.h @@ -67,7 +67,7 @@ int aq_ptp_hwtstamp_config_set(struct aq_ptp_s *aq_ptp, /* Return either ring is belong to PTP or not*/ bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring); -u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct sk_buff *skb, u8 *p, +u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, struct skb_shared_hwtstamps *shhwtstamps, u8 *p, unsigned int len); struct ptp_clock *aq_ptp_get_ptp_clock(struct aq_ptp_s *aq_ptp); @@ -143,7 +143,7 @@ static inline bool aq_ptp_ring(struct aq_nic_s *aq_nic, struct aq_ring_s *ring) } static inline u16 aq_ptp_extract_ts(struct aq_nic_s *aq_nic, - struct sk_buff *skb, u8 *p, + struct skb_shared_hwtstamps *shhwtstamps, u8 *p, unsigned int len) { return 0; diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 4de22eed099a..e1885c1eb100 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -647,7 +647,7 @@ static int __aq_ring_rx_clean(struct aq_ring_s *self, struct napi_struct *napi, } if (is_ptp_ring) buff->len -= - aq_ptp_extract_ts(self->aq_nic, skb, + aq_ptp_extract_ts(self->aq_nic, skb_hwtstamps(skb), aq_buf_vaddr(&buff->rxdata), buff->len); @@ -742,6 +742,8 @@ static int __aq_ring_xdp_clean(struct aq_ring_s *rx_ring, struct aq_ring_buff_s *buff = &rx_ring->buff_ring[rx_ring->sw_head]; bool is_ptp_ring = aq_ptp_ring(rx_ring->aq_nic, rx_ring); struct aq_ring_buff_s *buff_ = NULL; + u16 ptp_hwtstamp_len = 0; + struct skb_shared_hwtstamps shhwtstamps; struct sk_buff *skb = NULL; unsigned int next_ = 0U; struct xdp_buff xdp; @@ -810,11 +812,12 @@ static int __aq_ring_xdp_clean(struct aq_ring_s *rx_ring, hard_start = page_address(buff->rxdata.page) + buff->rxdata.pg_off - rx_ring->page_offset; - if (is_ptp_ring) - buff->len -= - aq_ptp_extract_ts(rx_ring->aq_nic, skb, - aq_buf_vaddr(&buff->rxdata), - buff->len); + if (is_ptp_ring) { + ptp_hwtstamp_len = aq_ptp_extract_ts(rx_ring->aq_nic, &shhwtstamps, + aq_buf_vaddr(&buff->rxdata), + buff->len); + buff->len -= ptp_hwtstamp_len; + } xdp_init_buff(&xdp, frame_sz, &rx_ring->xdp_rxq); xdp_prepare_buff(&xdp, hard_start, rx_ring->page_offset, @@ -834,6 +837,9 @@ static int __aq_ring_xdp_clean(struct aq_ring_s *rx_ring, if (IS_ERR(skb) || !skb) continue; + if (ptp_hwtstamp_len > 0) + *skb_hwtstamps(skb) = shhwtstamps; + if (buff->is_vlan) __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), buff->vlan_rx_tag); @@ -932,11 +938,14 @@ void aq_ring_free(struct aq_ring_s *self) return; kfree(self->buff_ring); + self->buff_ring = NULL; - if (self->dx_ring) + if (self->dx_ring) { dma_free_coherent(aq_nic_get_dev(self->aq_nic), self->size * self->dx_size, self->dx_ring, self->dx_ring_pa); + self->dx_ring = NULL; + } } unsigned int aq_ring_fill_stats_data(struct aq_ring_s *self, u64 *data) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index d0359b569afe..579eebb6fc56 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1748,16 +1748,32 @@ static void bnxt_tpa_agg(struct bnxt *bp, struct bnxt_rx_ring_info *rxr, static void bnxt_deliver_skb(struct bnxt *bp, struct bnxt_napi *bnapi, struct sk_buff *skb) { + skb_mark_for_recycle(skb); + if (skb->dev != bp->dev) { /* this packet belongs to a vf-rep */ bnxt_vf_rep_rx(bp, skb); return; } skb_record_rx_queue(skb, bnapi->index); - skb_mark_for_recycle(skb); napi_gro_receive(&bnapi->napi, skb); } +static bool bnxt_rx_ts_valid(struct bnxt *bp, u32 flags, + struct rx_cmp_ext *rxcmp1, u32 *cmpl_ts) +{ + u32 ts = le32_to_cpu(rxcmp1->rx_cmp_timestamp); + + if (BNXT_PTP_RX_TS_VALID(flags)) + goto ts_valid; + if (!bp->ptp_all_rx_tstamp || !ts || !BNXT_ALL_RX_TS_VALID(flags)) + return false; + +ts_valid: + *cmpl_ts = ts; + return true; +} + /* returns the following: * 1 - 1 packet successfully received * 0 - successful TPA_START, packet not completed yet @@ -1783,6 +1799,7 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, struct sk_buff *skb; struct xdp_buff xdp; u32 flags, misc; + u32 cmpl_ts; void *data; int rc = 0; @@ -2005,10 +2022,8 @@ static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_cp_ring_info *cpr, } } - if (unlikely((flags & RX_CMP_FLAGS_ITYPES_MASK) == - RX_CMP_FLAGS_ITYPE_PTP_W_TS) || bp->ptp_all_rx_tstamp) { + if (bnxt_rx_ts_valid(bp, flags, rxcmp1, &cmpl_ts)) { if (bp->flags & BNXT_FLAG_CHIP_P5) { - u32 cmpl_ts = le32_to_cpu(rxcmp1->rx_cmp_timestamp); u64 ns, ts; if (!bnxt_get_rx_ts_p5(bp, &ts, cmpl_ts)) { @@ -10731,10 +10746,8 @@ static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bnxt_free_mem(bp, irq_re_init); } -int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) +void bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) { - int rc = 0; - if (test_bit(BNXT_STATE_IN_FW_RESET, &bp->state)) { /* If we get here, it means firmware reset is in progress * while we are trying to close. We can safely proceed with @@ -10749,15 +10762,18 @@ int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init) #ifdef CONFIG_BNXT_SRIOV if (bp->sriov_cfg) { + int rc; + rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait, !bp->sriov_cfg, BNXT_SRIOV_CFG_WAIT_TMO); - if (rc) - netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n"); + if (!rc) + netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete, proceeding to close!\n"); + else if (rc < 0) + netdev_warn(bp->dev, "SRIOV config operation interrupted, proceeding to close!\n"); } #endif __bnxt_close_nic(bp, irq_re_init, link_re_init); - return rc; } static int bnxt_close(struct net_device *dev) @@ -13940,6 +13956,8 @@ static int bnxt_resume(struct device *device) if (rc) goto resume_exit; + bnxt_clear_reservations(bp, true); + if (bnxt_hwrm_func_drv_rgtr(bp, NULL, 0, false)) { rc = -ENODEV; goto resume_exit; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index e702dbc3e6b1..a7d7b09ea162 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -161,7 +161,7 @@ struct rx_cmp { #define RX_CMP_FLAGS_ERROR (1 << 6) #define RX_CMP_FLAGS_PLACEMENT (7 << 7) #define RX_CMP_FLAGS_RSS_VALID (1 << 10) - #define RX_CMP_FLAGS_UNUSED (1 << 11) + #define RX_CMP_FLAGS_PKT_METADATA_PRESENT (1 << 11) #define RX_CMP_FLAGS_ITYPES_SHIFT 12 #define RX_CMP_FLAGS_ITYPES_MASK 0xf000 #define RX_CMP_FLAGS_ITYPE_UNKNOWN (0 << 12) @@ -188,6 +188,12 @@ struct rx_cmp { __le32 rx_cmp_rss_hash; }; +#define BNXT_PTP_RX_TS_VALID(flags) \ + (((flags) & RX_CMP_FLAGS_ITYPES_MASK) == RX_CMP_FLAGS_ITYPE_PTP_W_TS) + +#define BNXT_ALL_RX_TS_VALID(flags) \ + !((flags) & RX_CMP_FLAGS_PKT_METADATA_PRESENT) + #define RX_CMP_HASH_VALID(rxcmp) \ ((rxcmp)->rx_cmp_len_flags_type & cpu_to_le32(RX_CMP_FLAGS_RSS_VALID)) @@ -2375,7 +2381,7 @@ int bnxt_open_nic(struct bnxt *, bool, bool); int bnxt_half_open_nic(struct bnxt *bp); void bnxt_half_close_nic(struct bnxt *bp); void bnxt_reenable_sriov(struct bnxt *bp); -int bnxt_close_nic(struct bnxt *, bool, bool); +void bnxt_close_nic(struct bnxt *, bool, bool); void bnxt_get_ring_err_stats(struct bnxt *bp, struct bnxt_total_ring_err_stats *stats); int bnxt_dbg_hwrm_rd_reg(struct bnxt *bp, u32 reg_off, u16 num_words, diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c index f302dac56599..89809f1b129c 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_devlink.c @@ -449,15 +449,8 @@ static int bnxt_dl_reload_down(struct devlink *dl, bool netns_change, return -ENODEV; } bnxt_ulp_stop(bp); - if (netif_running(bp->dev)) { - rc = bnxt_close_nic(bp, true, true); - if (rc) { - NL_SET_ERR_MSG_MOD(extack, "Failed to close"); - dev_close(bp->dev); - rtnl_unlock(); - break; - } - } + if (netif_running(bp->dev)) + bnxt_close_nic(bp, true, true); bnxt_vf_reps_free(bp); rc = bnxt_hwrm_func_drv_unrgtr(bp); if (rc) { diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index f3f384773ac0..5f67a7f94e7d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -165,9 +165,8 @@ static int bnxt_set_coalesce(struct net_device *dev, reset_coalesce: if (test_bit(BNXT_STATE_OPEN, &bp->state)) { if (update_stats) { - rc = bnxt_close_nic(bp, true, false); - if (!rc) - rc = bnxt_open_nic(bp, true, false); + bnxt_close_nic(bp, true, false); + rc = bnxt_open_nic(bp, true, false); } else { rc = bnxt_hwrm_set_coal(bp); } @@ -972,12 +971,7 @@ static int bnxt_set_channels(struct net_device *dev, * before PF unload */ } - rc = bnxt_close_nic(bp, true, false); - if (rc) { - netdev_err(bp->dev, "Set channel failure rc :%x\n", - rc); - return rc; - } + bnxt_close_nic(bp, true, false); } if (sh) { @@ -4042,12 +4036,7 @@ static void bnxt_self_test(struct net_device *dev, struct ethtool_test *etest, bnxt_run_fw_tests(bp, test_mask, &test_results); } else { bnxt_ulp_stop(bp); - rc = bnxt_close_nic(bp, true, false); - if (rc) { - etest->flags |= ETH_TEST_FL_FAILED; - bnxt_ulp_start(bp, rc); - return; - } + bnxt_close_nic(bp, true, false); bnxt_run_fw_tests(bp, test_mask, &test_results); buf[BNXT_MACLPBK_TEST_IDX] = 1; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c index f3886710e778..6e3da3362bd6 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ptp.c @@ -521,9 +521,8 @@ static int bnxt_hwrm_ptp_cfg(struct bnxt *bp) if (netif_running(bp->dev)) { if (ptp->rx_filter == HWTSTAMP_FILTER_ALL) { - rc = bnxt_close_nic(bp, false, false); - if (!rc) - rc = bnxt_open_nic(bp, false, false); + bnxt_close_nic(bp, false, false); + rc = bnxt_open_nic(bp, false, false); } else { bnxt_ptp_cfg_tstamp_filters(bp); } diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c index 38d89d80b4a9..273c9ba48f09 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c @@ -2075,6 +2075,7 @@ destroy_flow_table: rhashtable_destroy(&tc_info->flow_table); free_tc_info: kfree(tc_info); + bp->tc_info = NULL; return rc; } diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index 48b6191efa56..f52830dfb26a 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -6474,6 +6474,14 @@ static void tg3_dump_state(struct tg3 *tp) int i; u32 *regs; + /* If it is a PCI error, all registers will be 0xffff, + * we don't dump them out, just report the error and return + */ + if (tp->pdev->error_state != pci_channel_io_normal) { + netdev_err(tp->dev, "PCI channel ERROR!\n"); + return; + } + regs = kzalloc(TG3_REG_BLK_SIZE, GFP_ATOMIC); if (!regs) return; @@ -11259,7 +11267,8 @@ static void tg3_reset_task(struct work_struct *work) rtnl_lock(); tg3_full_lock(tp, 0); - if (tp->pcierr_recovery || !netif_running(tp->dev)) { + if (tp->pcierr_recovery || !netif_running(tp->dev) || + tp->pdev->error_state != pci_channel_io_normal) { tg3_flag_clear(tp, RESET_TASK_PENDING); tg3_full_unlock(tp); rtnl_unlock(); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c index 4798fb7fe35d..b6a534a3e0b1 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch-flower.c @@ -139,7 +139,8 @@ int dpaa2_switch_acl_entry_add(struct dpaa2_switch_filter_block *filter_block, err = dpsw_acl_add_entry(ethsw->mc_io, 0, ethsw->dpsw_handle, filter_block->acl_id, acl_entry_cfg); - dma_unmap_single(dev, acl_entry_cfg->key_iova, sizeof(cmd_buff), + dma_unmap_single(dev, acl_entry_cfg->key_iova, + DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE, DMA_TO_DEVICE); if (err) { dev_err(dev, "dpsw_acl_add_entry() failed %d\n", err); @@ -181,8 +182,8 @@ dpaa2_switch_acl_entry_remove(struct dpaa2_switch_filter_block *block, err = dpsw_acl_remove_entry(ethsw->mc_io, 0, ethsw->dpsw_handle, block->acl_id, acl_entry_cfg); - dma_unmap_single(dev, acl_entry_cfg->key_iova, sizeof(cmd_buff), - DMA_TO_DEVICE); + dma_unmap_single(dev, acl_entry_cfg->key_iova, + DPAA2_ETHSW_PORT_ACL_CMD_BUF_SIZE, DMA_TO_DEVICE); if (err) { dev_err(dev, "dpsw_acl_remove_entry() failed %d\n", err); kfree(cmd_buff); diff --git a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c index 97d3151076d5..e01a246124ac 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c @@ -1998,9 +1998,6 @@ static int dpaa2_switch_port_attr_set_event(struct net_device *netdev, return notifier_from_errno(err); } -static struct notifier_block dpaa2_switch_port_switchdev_nb; -static struct notifier_block dpaa2_switch_port_switchdev_blocking_nb; - static int dpaa2_switch_port_bridge_join(struct net_device *netdev, struct net_device *upper_dev, struct netlink_ext_ack *extack) @@ -2043,9 +2040,7 @@ static int dpaa2_switch_port_bridge_join(struct net_device *netdev, goto err_egress_flood; err = switchdev_bridge_port_offload(netdev, netdev, NULL, - &dpaa2_switch_port_switchdev_nb, - &dpaa2_switch_port_switchdev_blocking_nb, - false, extack); + NULL, NULL, false, extack); if (err) goto err_switchdev_offload; @@ -2079,9 +2074,7 @@ static int dpaa2_switch_port_restore_rxvlan(struct net_device *vdev, int vid, vo static void dpaa2_switch_port_pre_bridge_leave(struct net_device *netdev) { - switchdev_bridge_port_unoffload(netdev, NULL, - &dpaa2_switch_port_switchdev_nb, - &dpaa2_switch_port_switchdev_blocking_nb); + switchdev_bridge_port_unoffload(netdev, NULL, NULL, NULL); } static int dpaa2_switch_port_bridge_leave(struct net_device *netdev) diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index c3b7694a7485..e08c7b572497 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3731,31 +3731,26 @@ static int fec_set_features(struct net_device *netdev, return 0; } -static u16 fec_enet_get_raw_vlan_tci(struct sk_buff *skb) -{ - struct vlan_ethhdr *vhdr; - unsigned short vlan_TCI = 0; - - if (skb->protocol == htons(ETH_P_ALL)) { - vhdr = (struct vlan_ethhdr *)(skb->data); - vlan_TCI = ntohs(vhdr->h_vlan_TCI); - } - - return vlan_TCI; -} - static u16 fec_enet_select_queue(struct net_device *ndev, struct sk_buff *skb, struct net_device *sb_dev) { struct fec_enet_private *fep = netdev_priv(ndev); - u16 vlan_tag; + u16 vlan_tag = 0; if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) return netdev_pick_tx(ndev, skb, NULL); - vlan_tag = fec_enet_get_raw_vlan_tci(skb); - if (!vlan_tag) + /* VLAN is present in the payload.*/ + if (eth_type_vlan(skb->protocol)) { + struct vlan_ethhdr *vhdr = skb_vlan_eth_hdr(skb); + + vlan_tag = ntohs(vhdr->h_vlan_TCI); + /* VLAN is present in the skb but not yet pushed in the payload.*/ + } else if (skb_vlan_tag_present(skb)) { + vlan_tag = skb->vlan_tci; + } else { return vlan_tag; + } return fec_enet_vlan_pri_to_queue[vlan_tag >> 13]; } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 928d934cb21a..f75668c47935 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -66,6 +66,27 @@ static enum mac_mode hns_get_enet_interface(const struct hns_mac_cb *mac_cb) } } +static u32 hns_mac_link_anti_shake(struct mac_driver *mac_ctrl_drv) +{ +#define HNS_MAC_LINK_WAIT_TIME 5 +#define HNS_MAC_LINK_WAIT_CNT 40 + + u32 link_status = 0; + int i; + + if (!mac_ctrl_drv->get_link_status) + return link_status; + + for (i = 0; i < HNS_MAC_LINK_WAIT_CNT; i++) { + msleep(HNS_MAC_LINK_WAIT_TIME); + mac_ctrl_drv->get_link_status(mac_ctrl_drv, &link_status); + if (!link_status) + break; + } + + return link_status; +} + void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) { struct mac_driver *mac_ctrl_drv; @@ -83,6 +104,14 @@ void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) &sfp_prsnt); if (!ret) *link_status = *link_status && sfp_prsnt; + + /* for FIBER port, it may have a fake link up. + * when the link status changes from down to up, we need to do + * anti-shake. the anti-shake time is base on tests. + * only FIBER port need to do this. + */ + if (*link_status && !mac_cb->link) + *link_status = hns_mac_link_anti_shake(mac_ctrl_drv); } mac_cb->link = *link_status; diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 0900abf5c508..8a713eed4465 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -142,7 +142,8 @@ MODULE_DEVICE_TABLE(acpi, hns_enet_acpi_match); static void fill_desc(struct hnae_ring *ring, void *priv, int size, dma_addr_t dma, int frag_end, - int buf_num, enum hns_desc_type type, int mtu) + int buf_num, enum hns_desc_type type, int mtu, + bool is_gso) { struct hnae_desc *desc = &ring->desc[ring->next_to_use]; struct hnae_desc_cb *desc_cb = &ring->desc_cb[ring->next_to_use]; @@ -275,6 +276,15 @@ static int hns_nic_maybe_stop_tso( return 0; } +static int hns_nic_maybe_stop_tx_v2(struct sk_buff **out_skb, int *bnum, + struct hnae_ring *ring) +{ + if (skb_is_gso(*out_skb)) + return hns_nic_maybe_stop_tso(out_skb, bnum, ring); + else + return hns_nic_maybe_stop_tx(out_skb, bnum, ring); +} + static void fill_tso_desc(struct hnae_ring *ring, void *priv, int size, dma_addr_t dma, int frag_end, int buf_num, enum hns_desc_type type, int mtu) @@ -300,6 +310,19 @@ static void fill_tso_desc(struct hnae_ring *ring, void *priv, mtu); } +static void fill_desc_v2(struct hnae_ring *ring, void *priv, + int size, dma_addr_t dma, int frag_end, + int buf_num, enum hns_desc_type type, int mtu, + bool is_gso) +{ + if (is_gso) + fill_tso_desc(ring, priv, size, dma, frag_end, buf_num, type, + mtu); + else + fill_v2_desc(ring, priv, size, dma, frag_end, buf_num, type, + mtu); +} + netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev, struct sk_buff *skb, struct hns_nic_ring_data *ring_data) @@ -313,6 +336,7 @@ netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev, int seg_num; dma_addr_t dma; int size, next_to_use; + bool is_gso; int i; switch (priv->ops.maybe_stop_tx(&skb, &buf_num, ring)) { @@ -339,8 +363,9 @@ netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev, ring->stats.sw_err_cnt++; goto out_err_tx_ok; } + is_gso = skb_is_gso(skb); priv->ops.fill_desc(ring, skb, size, dma, seg_num == 1 ? 1 : 0, - buf_num, DESC_TYPE_SKB, ndev->mtu); + buf_num, DESC_TYPE_SKB, ndev->mtu, is_gso); /* fill the fragments */ for (i = 1; i < seg_num; i++) { @@ -354,7 +379,7 @@ netdev_tx_t hns_nic_net_xmit_hw(struct net_device *ndev, } priv->ops.fill_desc(ring, skb_frag_page(frag), size, dma, seg_num - 1 == i ? 1 : 0, buf_num, - DESC_TYPE_PAGE, ndev->mtu); + DESC_TYPE_PAGE, ndev->mtu, is_gso); } /*complete translate all packets*/ @@ -1776,15 +1801,6 @@ static int hns_nic_set_features(struct net_device *netdev, netdev_info(netdev, "enet v1 do not support tso!\n"); break; default: - if (features & (NETIF_F_TSO | NETIF_F_TSO6)) { - priv->ops.fill_desc = fill_tso_desc; - priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tso; - /* The chip only support 7*4096 */ - netif_set_tso_max_size(netdev, 7 * 4096); - } else { - priv->ops.fill_desc = fill_v2_desc; - priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tx; - } break; } netdev->features = features; @@ -2159,16 +2175,9 @@ static void hns_nic_set_priv_ops(struct net_device *netdev) priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tx; } else { priv->ops.get_rxd_bnum = get_v2rx_desc_bnum; - if ((netdev->features & NETIF_F_TSO) || - (netdev->features & NETIF_F_TSO6)) { - priv->ops.fill_desc = fill_tso_desc; - priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tso; - /* This chip only support 7*4096 */ - netif_set_tso_max_size(netdev, 7 * 4096); - } else { - priv->ops.fill_desc = fill_v2_desc; - priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tx; - } + priv->ops.fill_desc = fill_desc_v2; + priv->ops.maybe_stop_tx = hns_nic_maybe_stop_tx_v2; + netif_set_tso_max_size(netdev, 7 * 4096); /* enable tso when init * control tso on/off through TSE bit in bd */ diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.h b/drivers/net/ethernet/hisilicon/hns/hns_enet.h index ffa9d6573f54..3f3ee032f631 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.h +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.h @@ -44,7 +44,8 @@ struct hns_nic_ring_data { struct hns_nic_ops { void (*fill_desc)(struct hnae_ring *ring, void *priv, int size, dma_addr_t dma, int frag_end, - int buf_num, enum hns_desc_type type, int mtu); + int buf_num, enum hns_desc_type type, int mtu, + bool is_gso); int (*maybe_stop_tx)(struct sk_buff **out_skb, int *bnum, struct hnae_ring *ring); void (*get_rxd_bnum)(u32 bnum_flag, int *out_bnum); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index f7a332e51524..1ab8dbe2d880 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -16224,7 +16224,7 @@ static int i40e_probe(struct pci_dev *pdev, const struct pci_device_id *ent) I40E_PRTGL_SAH_MFS_MASK) >> I40E_PRTGL_SAH_MFS_SHIFT; if (val < MAX_FRAME_SIZE_DEFAULT) dev_warn(&pdev->dev, "MFS for port %x has been set below the default: %x\n", - i, val); + pf->hw.port, val); /* Add a filter to drop all Flow control frames from any VSI from being * transmitted. By doing so we stop a malicious VF from sending out diff --git a/drivers/net/ethernet/intel/iavf/iavf.h b/drivers/net/ethernet/intel/iavf/iavf.h index e7ab89dc883a..63b45c61cc4a 100644 --- a/drivers/net/ethernet/intel/iavf/iavf.h +++ b/drivers/net/ethernet/intel/iavf/iavf.h @@ -292,6 +292,7 @@ struct iavf_adapter { #define IAVF_FLAG_QUEUES_DISABLED BIT(17) #define IAVF_FLAG_SETUP_NETDEV_FEATURES BIT(18) #define IAVF_FLAG_REINIT_MSIX_NEEDED BIT(20) +#define IAVF_FLAG_FDIR_ENABLED BIT(21) /* duplicates for common code */ #define IAVF_FLAG_DCB_ENABLED 0 /* flags for admin queue service task */ diff --git a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c index 6f236d1a6444..dc499fe7734e 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_ethtool.c +++ b/drivers/net/ethernet/intel/iavf/iavf_ethtool.c @@ -827,18 +827,10 @@ static int __iavf_set_coalesce(struct net_device *netdev, struct iavf_adapter *adapter = netdev_priv(netdev); int i; - if (ec->rx_coalesce_usecs == 0) { - if (ec->use_adaptive_rx_coalesce) - netif_info(adapter, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n"); - } else if ((ec->rx_coalesce_usecs < IAVF_MIN_ITR) || - (ec->rx_coalesce_usecs > IAVF_MAX_ITR)) { + if (ec->rx_coalesce_usecs > IAVF_MAX_ITR) { netif_info(adapter, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n"); return -EINVAL; - } else if (ec->tx_coalesce_usecs == 0) { - if (ec->use_adaptive_tx_coalesce) - netif_info(adapter, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n"); - } else if ((ec->tx_coalesce_usecs < IAVF_MIN_ITR) || - (ec->tx_coalesce_usecs > IAVF_MAX_ITR)) { + } else if (ec->tx_coalesce_usecs > IAVF_MAX_ITR) { netif_info(adapter, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n"); return -EINVAL; } @@ -1069,7 +1061,7 @@ iavf_get_ethtool_fdir_entry(struct iavf_adapter *adapter, struct iavf_fdir_fltr *rule = NULL; int ret = 0; - if (!FDIR_FLTR_SUPPORT(adapter)) + if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED)) return -EOPNOTSUPP; spin_lock_bh(&adapter->fdir_fltr_lock); @@ -1211,7 +1203,7 @@ iavf_get_fdir_fltr_ids(struct iavf_adapter *adapter, struct ethtool_rxnfc *cmd, unsigned int cnt = 0; int val = 0; - if (!FDIR_FLTR_SUPPORT(adapter)) + if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED)) return -EOPNOTSUPP; cmd->data = IAVF_MAX_FDIR_FILTERS; @@ -1403,7 +1395,7 @@ static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx int count = 50; int err; - if (!FDIR_FLTR_SUPPORT(adapter)) + if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED)) return -EOPNOTSUPP; if (fsp->flow_type & FLOW_MAC_EXT) @@ -1444,12 +1436,16 @@ static int iavf_add_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx spin_lock_bh(&adapter->fdir_fltr_lock); iavf_fdir_list_add_fltr(adapter, fltr); adapter->fdir_active_fltr++; - fltr->state = IAVF_FDIR_FLTR_ADD_REQUEST; - adapter->aq_required |= IAVF_FLAG_AQ_ADD_FDIR_FILTER; + if (adapter->link_up) { + fltr->state = IAVF_FDIR_FLTR_ADD_REQUEST; + adapter->aq_required |= IAVF_FLAG_AQ_ADD_FDIR_FILTER; + } else { + fltr->state = IAVF_FDIR_FLTR_INACTIVE; + } spin_unlock_bh(&adapter->fdir_fltr_lock); - mod_delayed_work(adapter->wq, &adapter->watchdog_task, 0); - + if (adapter->link_up) + mod_delayed_work(adapter->wq, &adapter->watchdog_task, 0); ret: if (err && fltr) kfree(fltr); @@ -1471,7 +1467,7 @@ static int iavf_del_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx struct iavf_fdir_fltr *fltr = NULL; int err = 0; - if (!FDIR_FLTR_SUPPORT(adapter)) + if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED)) return -EOPNOTSUPP; spin_lock_bh(&adapter->fdir_fltr_lock); @@ -1480,6 +1476,11 @@ static int iavf_del_fdir_ethtool(struct iavf_adapter *adapter, struct ethtool_rx if (fltr->state == IAVF_FDIR_FLTR_ACTIVE) { fltr->state = IAVF_FDIR_FLTR_DEL_REQUEST; adapter->aq_required |= IAVF_FLAG_AQ_DEL_FDIR_FILTER; + } else if (fltr->state == IAVF_FDIR_FLTR_INACTIVE) { + list_del(&fltr->list); + kfree(fltr); + adapter->fdir_active_fltr--; + fltr = NULL; } else { err = -EBUSY; } @@ -1788,7 +1789,7 @@ static int iavf_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, ret = 0; break; case ETHTOOL_GRXCLSRLCNT: - if (!FDIR_FLTR_SUPPORT(adapter)) + if (!(adapter->flags & IAVF_FLAG_FDIR_ENABLED)) break; spin_lock_bh(&adapter->fdir_fltr_lock); cmd->rule_cnt = adapter->fdir_active_fltr; diff --git a/drivers/net/ethernet/intel/iavf/iavf_fdir.h b/drivers/net/ethernet/intel/iavf/iavf_fdir.h index 9eb9f73f6adf..d31bd923ba8c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_fdir.h +++ b/drivers/net/ethernet/intel/iavf/iavf_fdir.h @@ -6,12 +6,25 @@ struct iavf_adapter; -/* State of Flow Director filter */ +/* State of Flow Director filter + * + * *_REQUEST states are used to mark filter to be sent to PF driver to perform + * an action (either add or delete filter). *_PENDING states are an indication + * that request was sent to PF and the driver is waiting for response. + * + * Both DELETE and DISABLE states are being used to delete a filter in PF. + * The difference is that after a successful response filter in DEL_PENDING + * state is being deleted from VF driver as well and filter in DIS_PENDING state + * is being changed to INACTIVE state. + */ enum iavf_fdir_fltr_state_t { IAVF_FDIR_FLTR_ADD_REQUEST, /* User requests to add filter */ IAVF_FDIR_FLTR_ADD_PENDING, /* Filter pending add by the PF */ IAVF_FDIR_FLTR_DEL_REQUEST, /* User requests to delete filter */ IAVF_FDIR_FLTR_DEL_PENDING, /* Filter pending delete by the PF */ + IAVF_FDIR_FLTR_DIS_REQUEST, /* Filter scheduled to be disabled */ + IAVF_FDIR_FLTR_DIS_PENDING, /* Filter pending disable by the PF */ + IAVF_FDIR_FLTR_INACTIVE, /* Filter inactive on link down */ IAVF_FDIR_FLTR_ACTIVE, /* Filter is active */ }; diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c index c862ebcd2e39..e8d5b889addc 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_main.c +++ b/drivers/net/ethernet/intel/iavf/iavf_main.c @@ -277,27 +277,6 @@ void iavf_free_virt_mem(struct iavf_hw *hw, struct iavf_virt_mem *mem) } /** - * iavf_lock_timeout - try to lock mutex but give up after timeout - * @lock: mutex that should be locked - * @msecs: timeout in msecs - * - * Returns 0 on success, negative on failure - **/ -static int iavf_lock_timeout(struct mutex *lock, unsigned int msecs) -{ - unsigned int wait, delay = 10; - - for (wait = 0; wait < msecs; wait += delay) { - if (mutex_trylock(lock)) - return 0; - - msleep(delay); - } - - return -1; -} - -/** * iavf_schedule_reset - Set the flags and schedule a reset event * @adapter: board private structure * @flags: IAVF_FLAG_RESET_PENDING or IAVF_FLAG_RESET_NEEDED @@ -1353,18 +1332,20 @@ static void iavf_clear_cloud_filters(struct iavf_adapter *adapter) **/ static void iavf_clear_fdir_filters(struct iavf_adapter *adapter) { - struct iavf_fdir_fltr *fdir, *fdirtmp; + struct iavf_fdir_fltr *fdir; /* remove all Flow Director filters */ spin_lock_bh(&adapter->fdir_fltr_lock); - list_for_each_entry_safe(fdir, fdirtmp, &adapter->fdir_list_head, - list) { + list_for_each_entry(fdir, &adapter->fdir_list_head, list) { if (fdir->state == IAVF_FDIR_FLTR_ADD_REQUEST) { - list_del(&fdir->list); - kfree(fdir); - adapter->fdir_active_fltr--; - } else { - fdir->state = IAVF_FDIR_FLTR_DEL_REQUEST; + /* Cancel a request, keep filter as inactive */ + fdir->state = IAVF_FDIR_FLTR_INACTIVE; + } else if (fdir->state == IAVF_FDIR_FLTR_ADD_PENDING || + fdir->state == IAVF_FDIR_FLTR_ACTIVE) { + /* Disable filters which are active or have a pending + * request to PF to be added + */ + fdir->state = IAVF_FDIR_FLTR_DIS_REQUEST; } } spin_unlock_bh(&adapter->fdir_fltr_lock); @@ -4113,6 +4094,33 @@ static int iavf_setup_tc(struct net_device *netdev, enum tc_setup_type type, } /** + * iavf_restore_fdir_filters + * @adapter: board private structure + * + * Restore existing FDIR filters when VF netdev comes back up. + **/ +static void iavf_restore_fdir_filters(struct iavf_adapter *adapter) +{ + struct iavf_fdir_fltr *f; + + spin_lock_bh(&adapter->fdir_fltr_lock); + list_for_each_entry(f, &adapter->fdir_list_head, list) { + if (f->state == IAVF_FDIR_FLTR_DIS_REQUEST) { + /* Cancel a request, keep filter as active */ + f->state = IAVF_FDIR_FLTR_ACTIVE; + } else if (f->state == IAVF_FDIR_FLTR_DIS_PENDING || + f->state == IAVF_FDIR_FLTR_INACTIVE) { + /* Add filters which are inactive or have a pending + * request to PF to be deleted + */ + f->state = IAVF_FDIR_FLTR_ADD_REQUEST; + adapter->aq_required |= IAVF_FLAG_AQ_ADD_FDIR_FILTER; + } + } + spin_unlock_bh(&adapter->fdir_fltr_lock); +} + +/** * iavf_open - Called when a network interface is made active * @netdev: network interface device structure * @@ -4179,8 +4187,9 @@ static int iavf_open(struct net_device *netdev) spin_unlock_bh(&adapter->mac_vlan_list_lock); - /* Restore VLAN filters that were removed with IFF_DOWN */ + /* Restore filters that were removed with IFF_DOWN */ iavf_restore_filters(adapter); + iavf_restore_fdir_filters(adapter); iavf_configure(adapter); @@ -4311,6 +4320,49 @@ static int iavf_change_mtu(struct net_device *netdev, int new_mtu) return ret; } +/** + * iavf_disable_fdir - disable Flow Director and clear existing filters + * @adapter: board private structure + **/ +static void iavf_disable_fdir(struct iavf_adapter *adapter) +{ + struct iavf_fdir_fltr *fdir, *fdirtmp; + bool del_filters = false; + + adapter->flags &= ~IAVF_FLAG_FDIR_ENABLED; + + /* remove all Flow Director filters */ + spin_lock_bh(&adapter->fdir_fltr_lock); + list_for_each_entry_safe(fdir, fdirtmp, &adapter->fdir_list_head, + list) { + if (fdir->state == IAVF_FDIR_FLTR_ADD_REQUEST || + fdir->state == IAVF_FDIR_FLTR_INACTIVE) { + /* Delete filters not registered in PF */ + list_del(&fdir->list); + kfree(fdir); + adapter->fdir_active_fltr--; + } else if (fdir->state == IAVF_FDIR_FLTR_ADD_PENDING || + fdir->state == IAVF_FDIR_FLTR_DIS_REQUEST || + fdir->state == IAVF_FDIR_FLTR_ACTIVE) { + /* Filters registered in PF, schedule their deletion */ + fdir->state = IAVF_FDIR_FLTR_DEL_REQUEST; + del_filters = true; + } else if (fdir->state == IAVF_FDIR_FLTR_DIS_PENDING) { + /* Request to delete filter already sent to PF, change + * state to DEL_PENDING to delete filter after PF's + * response, not set as INACTIVE + */ + fdir->state = IAVF_FDIR_FLTR_DEL_PENDING; + } + } + spin_unlock_bh(&adapter->fdir_fltr_lock); + + if (del_filters) { + adapter->aq_required |= IAVF_FLAG_AQ_DEL_FDIR_FILTER; + mod_delayed_work(adapter->wq, &adapter->watchdog_task, 0); + } +} + #define NETIF_VLAN_OFFLOAD_FEATURES (NETIF_F_HW_VLAN_CTAG_RX | \ NETIF_F_HW_VLAN_CTAG_TX | \ NETIF_F_HW_VLAN_STAG_RX | \ @@ -4336,6 +4388,13 @@ static int iavf_set_features(struct net_device *netdev, ((netdev->features & NETIF_F_RXFCS) ^ (features & NETIF_F_RXFCS))) iavf_schedule_reset(adapter, IAVF_FLAG_RESET_NEEDED); + if ((netdev->features & NETIF_F_NTUPLE) ^ (features & NETIF_F_NTUPLE)) { + if (features & NETIF_F_NTUPLE) + adapter->flags |= IAVF_FLAG_FDIR_ENABLED; + else + iavf_disable_fdir(adapter); + } + return 0; } @@ -4685,6 +4744,9 @@ static netdev_features_t iavf_fix_features(struct net_device *netdev, features = iavf_fix_netdev_vlan_features(adapter, features); + if (!FDIR_FLTR_SUPPORT(adapter)) + features &= ~NETIF_F_NTUPLE; + return iavf_fix_strip_features(adapter, features); } @@ -4802,6 +4864,12 @@ int iavf_process_config(struct iavf_adapter *adapter) if (vfres->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + if (FDIR_FLTR_SUPPORT(adapter)) { + netdev->hw_features |= NETIF_F_NTUPLE; + netdev->features |= NETIF_F_NTUPLE; + adapter->flags |= IAVF_FLAG_FDIR_ENABLED; + } + netdev->priv_flags |= IFF_UNICAST_FLT; /* Do not turn on offloads when they are requested to be turned off. @@ -4826,34 +4894,6 @@ int iavf_process_config(struct iavf_adapter *adapter) } /** - * iavf_shutdown - Shutdown the device in preparation for a reboot - * @pdev: pci device structure - **/ -static void iavf_shutdown(struct pci_dev *pdev) -{ - struct iavf_adapter *adapter = iavf_pdev_to_adapter(pdev); - struct net_device *netdev = adapter->netdev; - - netif_device_detach(netdev); - - if (netif_running(netdev)) - iavf_close(netdev); - - if (iavf_lock_timeout(&adapter->crit_lock, 5000)) - dev_warn(&adapter->pdev->dev, "%s: failed to acquire crit_lock\n", __func__); - /* Prevent the watchdog from running. */ - iavf_change_state(adapter, __IAVF_REMOVE); - adapter->aq_required = 0; - mutex_unlock(&adapter->crit_lock); - -#ifdef CONFIG_PM - pci_save_state(pdev); - -#endif - pci_disable_device(pdev); -} - -/** * iavf_probe - Device Initialization Routine * @pdev: PCI device information struct * @ent: entry in iavf_pci_tbl @@ -5063,16 +5103,21 @@ static int __maybe_unused iavf_resume(struct device *dev_d) **/ static void iavf_remove(struct pci_dev *pdev) { - struct iavf_adapter *adapter = iavf_pdev_to_adapter(pdev); struct iavf_fdir_fltr *fdir, *fdirtmp; struct iavf_vlan_filter *vlf, *vlftmp; struct iavf_cloud_filter *cf, *cftmp; struct iavf_adv_rss *rss, *rsstmp; struct iavf_mac_filter *f, *ftmp; + struct iavf_adapter *adapter; struct net_device *netdev; struct iavf_hw *hw; - netdev = adapter->netdev; + /* Don't proceed with remove if netdev is already freed */ + netdev = pci_get_drvdata(pdev); + if (!netdev) + return; + + adapter = iavf_pdev_to_adapter(pdev); hw = &adapter->hw; if (test_and_set_bit(__IAVF_IN_REMOVE_TASK, &adapter->crit_section)) @@ -5184,11 +5229,25 @@ static void iavf_remove(struct pci_dev *pdev) destroy_workqueue(adapter->wq); + pci_set_drvdata(pdev, NULL); + free_netdev(netdev); pci_disable_device(pdev); } +/** + * iavf_shutdown - Shutdown the device in preparation for a reboot + * @pdev: pci device structure + **/ +static void iavf_shutdown(struct pci_dev *pdev) +{ + iavf_remove(pdev); + + if (system_state == SYSTEM_POWER_OFF) + pci_set_power_state(pdev, PCI_D3hot); +} + static SIMPLE_DEV_PM_OPS(iavf_pm_ops, iavf_suspend, iavf_resume); static struct pci_driver iavf_driver = { diff --git a/drivers/net/ethernet/intel/iavf/iavf_txrx.h b/drivers/net/ethernet/intel/iavf/iavf_txrx.h index 7e6ee32d19b6..10ba36602c0c 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_txrx.h +++ b/drivers/net/ethernet/intel/iavf/iavf_txrx.h @@ -15,7 +15,6 @@ */ #define IAVF_ITR_DYNAMIC 0x8000 /* use top bit as a flag */ #define IAVF_ITR_MASK 0x1FFE /* mask for ITR register value */ -#define IAVF_MIN_ITR 2 /* reg uses 2 usec resolution */ #define IAVF_ITR_100K 10 /* all values below must be even */ #define IAVF_ITR_50K 20 #define IAVF_ITR_20K 50 diff --git a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c index 64c4443dbef9..2d9366be0ec5 100644 --- a/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c +++ b/drivers/net/ethernet/intel/iavf/iavf_virtchnl.c @@ -1735,8 +1735,8 @@ void iavf_add_fdir_filter(struct iavf_adapter *adapter) **/ void iavf_del_fdir_filter(struct iavf_adapter *adapter) { + struct virtchnl_fdir_del f = {}; struct iavf_fdir_fltr *fdir; - struct virtchnl_fdir_del f; bool process_fltr = false; int len; @@ -1753,11 +1753,16 @@ void iavf_del_fdir_filter(struct iavf_adapter *adapter) list_for_each_entry(fdir, &adapter->fdir_list_head, list) { if (fdir->state == IAVF_FDIR_FLTR_DEL_REQUEST) { process_fltr = true; - memset(&f, 0, len); f.vsi_id = fdir->vc_add_msg.vsi_id; f.flow_id = fdir->flow_id; fdir->state = IAVF_FDIR_FLTR_DEL_PENDING; break; + } else if (fdir->state == IAVF_FDIR_FLTR_DIS_REQUEST) { + process_fltr = true; + f.vsi_id = fdir->vc_add_msg.vsi_id; + f.flow_id = fdir->flow_id; + fdir->state = IAVF_FDIR_FLTR_DIS_PENDING; + break; } } spin_unlock_bh(&adapter->fdir_fltr_lock); @@ -1902,6 +1907,48 @@ static void iavf_netdev_features_vlan_strip_set(struct net_device *netdev, } /** + * iavf_activate_fdir_filters - Reactivate all FDIR filters after a reset + * @adapter: private adapter structure + * + * Called after a reset to re-add all FDIR filters and delete some of them + * if they were pending to be deleted. + */ +static void iavf_activate_fdir_filters(struct iavf_adapter *adapter) +{ + struct iavf_fdir_fltr *f, *ftmp; + bool add_filters = false; + + spin_lock_bh(&adapter->fdir_fltr_lock); + list_for_each_entry_safe(f, ftmp, &adapter->fdir_list_head, list) { + if (f->state == IAVF_FDIR_FLTR_ADD_REQUEST || + f->state == IAVF_FDIR_FLTR_ADD_PENDING || + f->state == IAVF_FDIR_FLTR_ACTIVE) { + /* All filters and requests have been removed in PF, + * restore them + */ + f->state = IAVF_FDIR_FLTR_ADD_REQUEST; + add_filters = true; + } else if (f->state == IAVF_FDIR_FLTR_DIS_REQUEST || + f->state == IAVF_FDIR_FLTR_DIS_PENDING) { + /* Link down state, leave filters as inactive */ + f->state = IAVF_FDIR_FLTR_INACTIVE; + } else if (f->state == IAVF_FDIR_FLTR_DEL_REQUEST || + f->state == IAVF_FDIR_FLTR_DEL_PENDING) { + /* Delete filters that were pending to be deleted, the + * list on PF is already cleared after a reset + */ + list_del(&f->list); + kfree(f); + adapter->fdir_active_fltr--; + } + } + spin_unlock_bh(&adapter->fdir_fltr_lock); + + if (add_filters) + adapter->aq_required |= IAVF_FLAG_AQ_ADD_FDIR_FILTER; +} + +/** * iavf_virtchnl_completion * @adapter: adapter structure * @v_opcode: opcode sent by PF @@ -2078,7 +2125,8 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, spin_lock_bh(&adapter->fdir_fltr_lock); list_for_each_entry(fdir, &adapter->fdir_list_head, list) { - if (fdir->state == IAVF_FDIR_FLTR_DEL_PENDING) { + if (fdir->state == IAVF_FDIR_FLTR_DEL_PENDING || + fdir->state == IAVF_FDIR_FLTR_DIS_PENDING) { fdir->state = IAVF_FDIR_FLTR_ACTIVE; dev_info(&adapter->pdev->dev, "Failed to del Flow Director filter, error %s\n", iavf_stat_str(&adapter->hw, @@ -2214,6 +2262,8 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, spin_unlock_bh(&adapter->mac_vlan_list_lock); + iavf_activate_fdir_filters(adapter); + iavf_parse_vf_resource_msg(adapter); /* negotiated VIRTCHNL_VF_OFFLOAD_VLAN_V2, so wait for the @@ -2390,7 +2440,9 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, list_for_each_entry_safe(fdir, fdir_tmp, &adapter->fdir_list_head, list) { if (fdir->state == IAVF_FDIR_FLTR_DEL_PENDING) { - if (del_fltr->status == VIRTCHNL_FDIR_SUCCESS) { + if (del_fltr->status == VIRTCHNL_FDIR_SUCCESS || + del_fltr->status == + VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST) { dev_info(&adapter->pdev->dev, "Flow Director filter with location %u is deleted\n", fdir->loc); list_del(&fdir->list); @@ -2402,6 +2454,17 @@ void iavf_virtchnl_completion(struct iavf_adapter *adapter, del_fltr->status); iavf_print_fdir_fltr(adapter, fdir); } + } else if (fdir->state == IAVF_FDIR_FLTR_DIS_PENDING) { + if (del_fltr->status == VIRTCHNL_FDIR_SUCCESS || + del_fltr->status == + VIRTCHNL_FDIR_FAILURE_RULE_NONEXIST) { + fdir->state = IAVF_FDIR_FLTR_INACTIVE; + } else { + fdir->state = IAVF_FDIR_FLTR_ACTIVE; + dev_info(&adapter->pdev->dev, "Failed to disable Flow Director filter with status: %d\n", + del_fltr->status); + iavf_print_fdir_fltr(adapter, fdir); + } } } spin_unlock_bh(&adapter->fdir_fltr_lock); diff --git a/drivers/net/ethernet/intel/ice/ice_sriov.c b/drivers/net/ethernet/intel/ice/ice_sriov.c index 2a5e6616cc0a..e1494f24f661 100644 --- a/drivers/net/ethernet/intel/ice/ice_sriov.c +++ b/drivers/net/ethernet/intel/ice/ice_sriov.c @@ -374,16 +374,11 @@ static void ice_ena_vf_mappings(struct ice_vf *vf) */ int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector) { - struct ice_pf *pf; - if (!vf || !q_vector) return -EINVAL; - pf = vf->pf; - /* always add one to account for the OICR being the first MSIX */ - return pf->sriov_base_vector + pf->vfs.num_msix_per * vf->vf_id + - q_vector->v_idx + 1; + return vf->first_vector_idx + q_vector->v_idx + 1; } /** diff --git a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c index d7b10dc67f03..80dc4bcdd3a4 100644 --- a/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c +++ b/drivers/net/ethernet/intel/ice/ice_vf_vsi_vlan_ops.c @@ -32,7 +32,6 @@ static void ice_port_vlan_on(struct ice_vsi *vsi) /* setup outer VLAN ops */ vlan_ops->set_port_vlan = ice_vsi_set_outer_port_vlan; vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan; - vlan_ops->clear_port_vlan = ice_vsi_clear_outer_port_vlan; /* setup inner VLAN ops */ vlan_ops = &vsi->inner_vlan_ops; @@ -47,8 +46,13 @@ static void ice_port_vlan_on(struct ice_vsi *vsi) vlan_ops->set_port_vlan = ice_vsi_set_inner_port_vlan; vlan_ops->clear_port_vlan = ice_vsi_clear_inner_port_vlan; - vlan_ops->clear_port_vlan = ice_vsi_clear_inner_port_vlan; } + + /* all Rx traffic should be in the domain of the assigned port VLAN, + * so prevent disabling Rx VLAN filtering + */ + vlan_ops->dis_rx_filtering = noop_vlan; + vlan_ops->ena_rx_filtering = ice_vsi_ena_rx_vlan_filtering; } @@ -77,6 +81,8 @@ static void ice_port_vlan_off(struct ice_vsi *vsi) vlan_ops->del_vlan = ice_vsi_del_vlan; } + vlan_ops->dis_rx_filtering = ice_vsi_dis_rx_vlan_filtering; + if (!test_bit(ICE_FLAG_VF_VLAN_PRUNING, pf->flags)) vlan_ops->ena_rx_filtering = noop_vlan; else @@ -141,7 +147,6 @@ void ice_vf_vsi_init_vlan_ops(struct ice_vsi *vsi) &vsi->outer_vlan_ops : &vsi->inner_vlan_ops; vlan_ops->add_vlan = ice_vsi_add_vlan; - vlan_ops->dis_rx_filtering = ice_vsi_dis_rx_vlan_filtering; vlan_ops->ena_tx_filtering = ice_vsi_ena_tx_vlan_filtering; vlan_ops->dis_tx_filtering = ice_vsi_dis_tx_vlan_filtering; } diff --git a/drivers/net/ethernet/intel/ice/ice_virtchnl.c b/drivers/net/ethernet/intel/ice/ice_virtchnl.c index de11b3186bd7..1c7b4ded948b 100644 --- a/drivers/net/ethernet/intel/ice/ice_virtchnl.c +++ b/drivers/net/ethernet/intel/ice/ice_virtchnl.c @@ -1523,7 +1523,6 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) u16 num_q_vectors_mapped, vsi_id, vector_id; struct virtchnl_irq_map_info *irqmap_info; struct virtchnl_vector_map *map; - struct ice_pf *pf = vf->pf; struct ice_vsi *vsi; int i; @@ -1535,7 +1534,7 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) * there is actually at least a single VF queue vector mapped */ if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || - pf->vfs.num_msix_per < num_q_vectors_mapped || + vf->num_msix < num_q_vectors_mapped || !num_q_vectors_mapped) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; goto error_param; @@ -1557,7 +1556,7 @@ static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) /* vector_id is always 0-based for each VF, and can never be * larger than or equal to the max allowed interrupts per VF */ - if (!(vector_id < pf->vfs.num_msix_per) || + if (!(vector_id < vf->num_msix) || !ice_vc_isvalid_vsi_id(vf, vsi_id) || (!vector_id && (map->rxq_map || map->txq_map))) { v_ret = VIRTCHNL_STATUS_ERR_PARAM; diff --git a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c index 552970c7dec0..a9bdf3283a85 100644 --- a/drivers/net/ethernet/marvell/octeon_ep/octep_main.c +++ b/drivers/net/ethernet/marvell/octeon_ep/octep_main.c @@ -1193,6 +1193,13 @@ int octep_device_setup(struct octep_device *oct) if (ret) return ret; + INIT_WORK(&oct->tx_timeout_task, octep_tx_timeout_task); + INIT_WORK(&oct->ctrl_mbox_task, octep_ctrl_mbox_task); + INIT_DELAYED_WORK(&oct->intr_poll_task, octep_intr_poll_task); + oct->poll_non_ioq_intr = true; + queue_delayed_work(octep_wq, &oct->intr_poll_task, + msecs_to_jiffies(OCTEP_INTR_POLL_TIME_MSECS)); + atomic_set(&oct->hb_miss_cnt, 0); INIT_DELAYED_WORK(&oct->hb_task, octep_hb_timeout_task); @@ -1258,7 +1265,8 @@ static bool get_fw_ready_status(struct pci_dev *pdev) pci_read_config_byte(pdev, (pos + 8), &status); dev_info(&pdev->dev, "Firmware ready status = %u\n", status); - return status; +#define FW_STATUS_READY 1ULL + return status == FW_STATUS_READY; } return false; } @@ -1325,21 +1333,18 @@ static int octep_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_octep_config; } - octep_ctrl_net_get_info(octep_dev, OCTEP_CTRL_NET_INVALID_VFID, - &octep_dev->conf->fw_info); + err = octep_ctrl_net_get_info(octep_dev, OCTEP_CTRL_NET_INVALID_VFID, + &octep_dev->conf->fw_info); + if (err) { + dev_err(&pdev->dev, "Failed to get firmware info\n"); + goto register_dev_err; + } dev_info(&octep_dev->pdev->dev, "Heartbeat interval %u msecs Heartbeat miss count %u\n", octep_dev->conf->fw_info.hb_interval, octep_dev->conf->fw_info.hb_miss_count); queue_delayed_work(octep_wq, &octep_dev->hb_task, msecs_to_jiffies(octep_dev->conf->fw_info.hb_interval)); - INIT_WORK(&octep_dev->tx_timeout_task, octep_tx_timeout_task); - INIT_WORK(&octep_dev->ctrl_mbox_task, octep_ctrl_mbox_task); - INIT_DELAYED_WORK(&octep_dev->intr_poll_task, octep_intr_poll_task); - octep_dev->poll_non_ioq_intr = true; - queue_delayed_work(octep_wq, &octep_dev->intr_poll_task, - msecs_to_jiffies(OCTEP_INTR_POLL_TIME_MSECS)); - netdev->netdev_ops = &octep_netdev_ops; octep_set_ethtool_ops(netdev); netif_carrier_off(netdev); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h index 6845556581c3..5df42634ceb8 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mbox.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mbox.h @@ -1945,7 +1945,7 @@ struct mcs_hw_info { u8 tcam_entries; /* RX/TX Tcam entries per mcs block */ u8 secy_entries; /* RX/TX SECY entries per mcs block */ u8 sc_entries; /* RX/TX SC CAM entries per mcs block */ - u8 sa_entries; /* PN table entries = SA entries */ + u16 sa_entries; /* PN table entries = SA entries */ u64 rsvd[16]; }; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs.c b/drivers/net/ethernet/marvell/octeontx2/af/mcs.c index c43f19dfbd74..c1775bd01c2b 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs.c @@ -117,7 +117,7 @@ void mcs_get_rx_secy_stats(struct mcs *mcs, struct mcs_secy_stats *stats, int id reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYTAGGEDCTLX(id); stats->pkt_tagged_ctl_cnt = mcs_reg_read(mcs, reg); - reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYUNTAGGEDORNOTAGX(id); + reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYUNTAGGEDX(id); stats->pkt_untaged_cnt = mcs_reg_read(mcs, reg); reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYCTLX(id); @@ -215,7 +215,7 @@ void mcs_get_sc_stats(struct mcs *mcs, struct mcs_sc_stats *stats, reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSCNOTVALIDX(id); stats->pkt_notvalid_cnt = mcs_reg_read(mcs, reg); - reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSCUNCHECKEDOROKX(id); + reg = MCSX_CSE_RX_MEM_SLAVE_INPKTSSCUNCHECKEDX(id); stats->pkt_unchecked_cnt = mcs_reg_read(mcs, reg); if (mcs->hw->mcs_blks > 1) { @@ -1219,6 +1219,17 @@ struct mcs *mcs_get_pdata(int mcs_id) return NULL; } +bool is_mcs_bypass(int mcs_id) +{ + struct mcs *mcs_dev; + + list_for_each_entry(mcs_dev, &mcs_list, mcs_list) { + if (mcs_dev->mcs_id == mcs_id) + return mcs_dev->bypass; + } + return true; +} + void mcs_set_port_cfg(struct mcs *mcs, struct mcs_port_cfg_set_req *req) { u64 val = 0; @@ -1436,7 +1447,7 @@ static int mcs_x2p_calibration(struct mcs *mcs) return err; } -static void mcs_set_external_bypass(struct mcs *mcs, u8 bypass) +static void mcs_set_external_bypass(struct mcs *mcs, bool bypass) { u64 val; @@ -1447,6 +1458,7 @@ static void mcs_set_external_bypass(struct mcs *mcs, u8 bypass) else val &= ~BIT_ULL(6); mcs_reg_write(mcs, MCSX_MIL_GLOBAL, val); + mcs->bypass = bypass; } static void mcs_global_cfg(struct mcs *mcs) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs.h b/drivers/net/ethernet/marvell/octeontx2/af/mcs.h index 0f89dcb76465..f927cc61dfd2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs.h @@ -149,6 +149,7 @@ struct mcs { u16 num_vec; void *rvu; u16 *tx_sa_active; + bool bypass; }; struct mcs_ops { @@ -206,6 +207,7 @@ void mcs_get_custom_tag_cfg(struct mcs *mcs, struct mcs_custom_tag_cfg_get_req * int mcs_alloc_ctrlpktrule(struct rsrc_bmap *rsrc, u16 *pf_map, u16 offset, u16 pcifunc); int mcs_free_ctrlpktrule(struct mcs *mcs, struct mcs_free_ctrl_pkt_rule_req *req); int mcs_ctrlpktrule_write(struct mcs *mcs, struct mcs_ctrl_pkt_rule_write_req *req); +bool is_mcs_bypass(int mcs_id); /* CN10K-B APIs */ void cn10kb_mcs_set_hw_capabilities(struct mcs *mcs); diff --git a/drivers/net/ethernet/marvell/octeontx2/af/mcs_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/mcs_reg.h index f3ab01fc363c..f4c6de89002c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/mcs_reg.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/mcs_reg.h @@ -810,14 +810,37 @@ offset = 0x9d8ull; \ offset; }) +#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSCUNCHECKEDX(a) ({ \ + u64 offset; \ + \ + offset = 0xee80ull; \ + if (mcs->hw->mcs_blks > 1) \ + offset = 0xe818ull; \ + offset += (a) * 0x8ull; \ + offset; }) + +#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYUNTAGGEDX(a) ({ \ + u64 offset; \ + \ + offset = 0xa680ull; \ + if (mcs->hw->mcs_blks > 1) \ + offset = 0xd018ull; \ + offset += (a) * 0x8ull; \ + offset; }) + +#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSCLATEORDELAYEDX(a) ({ \ + u64 offset; \ + \ + offset = 0xf680ull; \ + if (mcs->hw->mcs_blks > 1) \ + offset = 0xe018ull; \ + offset += (a) * 0x8ull; \ + offset; }) + #define MCSX_CSE_RX_MEM_SLAVE_INOCTETSSCDECRYPTEDX(a) (0xe680ull + (a) * 0x8ull) #define MCSX_CSE_RX_MEM_SLAVE_INOCTETSSCVALIDATEX(a) (0xde80ull + (a) * 0x8ull) -#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYUNTAGGEDORNOTAGX(a) (0xa680ull + (a) * 0x8ull) #define MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYNOTAGX(a) (0xd218 + (a) * 0x8ull) -#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYUNTAGGEDX(a) (0xd018ull + (a) * 0x8ull) -#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSCUNCHECKEDOROKX(a) (0xee80ull + (a) * 0x8ull) #define MCSX_CSE_RX_MEM_SLAVE_INPKTSSECYCTLX(a) (0xb680ull + (a) * 0x8ull) -#define MCSX_CSE_RX_MEM_SLAVE_INPKTSSCLATEORDELAYEDX(a) (0xf680ull + (a) * 0x8ull) #define MCSX_CSE_RX_MEM_SLAVE_INPKTSSAINVALIDX(a) (0x12680ull + (a) * 0x8ull) #define MCSX_CSE_RX_MEM_SLAVE_INPKTSSANOTUSINGSAERRORX(a) (0x15680ull + (a) * 0x8ull) #define MCSX_CSE_RX_MEM_SLAVE_INPKTSSANOTVALIDX(a) (0x13680ull + (a) * 0x8ull) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c index af21e2030cff..4728ba34b0e3 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rpm.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rpm.c @@ -373,6 +373,11 @@ void rpm_lmac_pause_frm_config(void *rpmd, int lmac_id, bool enable) cfg |= RPMX_MTI_MAC100X_COMMAND_CONFIG_TX_P_DISABLE; rpm_write(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG, cfg); + /* Disable forward pause to driver */ + cfg = rpm_read(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG); + cfg &= ~RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_FWD; + rpm_write(rpm, lmac_id, RPMX_MTI_MAC100X_COMMAND_CONFIG, cfg); + /* Enable channel mask for all LMACS */ if (is_dev_rpm2(rpm)) rpm_write(rpm, lmac_id, RPM2_CMR_CHAN_MSK_OR, 0xffff); @@ -616,12 +621,10 @@ int rpm_lmac_pfc_config(void *rpmd, int lmac_id, u8 tx_pause, u8 rx_pause, u16 p if (rx_pause) { cfg &= ~(RPMX_MTI_MAC100X_COMMAND_CONFIG_RX_P_DISABLE | - RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_IGNORE | - RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_FWD); + RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_IGNORE); } else { cfg |= (RPMX_MTI_MAC100X_COMMAND_CONFIG_RX_P_DISABLE | - RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_IGNORE | - RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_FWD); + RPMX_MTI_MAC100X_COMMAND_CONFIG_PAUSE_IGNORE); } if (tx_pause) { diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c index 22c395c7d040..731bb82b577c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.c @@ -2631,6 +2631,9 @@ static void __rvu_flr_handler(struct rvu *rvu, u16 pcifunc) rvu_npc_free_mcam_entries(rvu, pcifunc, -1); rvu_mac_reset(rvu, pcifunc); + if (rvu->mcs_blk_cnt) + rvu_mcs_flr_handler(rvu, pcifunc); + mutex_unlock(&rvu->flr_lock); } diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h index c4d999ef5ab4..cce2806aaa50 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu.h @@ -345,6 +345,7 @@ struct nix_hw { struct nix_txvlan txvlan; struct nix_ipolicer *ipolicer; u64 *tx_credits; + u8 cc_mcs_cnt; }; /* RVU block's capabilities or functionality, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c index c70932625d0d..21b5d71c1e37 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_devlink.c @@ -538,7 +538,7 @@ static int rvu_nix_register_reporters(struct rvu_devlink *rvu_dl) rvu_dl->devlink_wq = create_workqueue("rvu_devlink_wq"); if (!rvu_dl->devlink_wq) - goto err; + return -ENOMEM; INIT_WORK(&rvu_reporters->intr_work, rvu_nix_intr_work); INIT_WORK(&rvu_reporters->gen_work, rvu_nix_gen_work); @@ -546,9 +546,6 @@ static int rvu_nix_register_reporters(struct rvu_devlink *rvu_dl) INIT_WORK(&rvu_reporters->ras_work, rvu_nix_ras_work); return 0; -err: - rvu_nix_health_reporters_destroy(rvu_dl); - return -ENOMEM; } static int rvu_nix_health_reporters_create(struct rvu_devlink *rvu_dl) @@ -1087,7 +1084,7 @@ static int rvu_npa_register_reporters(struct rvu_devlink *rvu_dl) rvu_dl->devlink_wq = create_workqueue("rvu_devlink_wq"); if (!rvu_dl->devlink_wq) - goto err; + return -ENOMEM; INIT_WORK(&rvu_reporters->intr_work, rvu_npa_intr_work); INIT_WORK(&rvu_reporters->err_work, rvu_npa_err_work); @@ -1095,9 +1092,6 @@ static int rvu_npa_register_reporters(struct rvu_devlink *rvu_dl) INIT_WORK(&rvu_reporters->ras_work, rvu_npa_ras_work); return 0; -err: - rvu_npa_health_reporters_destroy(rvu_dl); - return -ENOMEM; } static int rvu_npa_health_reporters_create(struct rvu_devlink *rvu_dl) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c index c112c71ff576..4227ebb4a758 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c @@ -12,6 +12,7 @@ #include "rvu_reg.h" #include "rvu.h" #include "npc.h" +#include "mcs.h" #include "cgx.h" #include "lmac_common.h" #include "rvu_npc_hash.h" @@ -4389,6 +4390,12 @@ static void nix_link_config(struct rvu *rvu, int blkaddr, SDP_HW_MAX_FRS << 16 | NIC_HW_MIN_FRS); } + /* Get MCS external bypass status for CN10K-B */ + if (mcs_get_blkcnt() == 1) { + /* Adjust for 2 credits when external bypass is disabled */ + nix_hw->cc_mcs_cnt = is_mcs_bypass(0) ? 0 : 2; + } + /* Set credits for Tx links assuming max packet length allowed. * This will be reconfigured based on MTU set for PF/VF. */ @@ -4412,6 +4419,7 @@ static void nix_link_config(struct rvu *rvu, int blkaddr, tx_credits = (lmac_fifo_len - lmac_max_frs) / 16; /* Enable credits and set credit pkt count to max allowed */ cfg = (tx_credits << 12) | (0x1FF << 2) | BIT_ULL(1); + cfg |= FIELD_PREP(NIX_AF_LINKX_MCS_CNT_MASK, nix_hw->cc_mcs_cnt); link = iter + slink; nix_hw->tx_credits[link] = tx_credits; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c index 16cfc802e348..0bcf3e559280 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_npc.c @@ -389,7 +389,13 @@ static u64 npc_get_default_entry_action(struct rvu *rvu, struct npc_mcam *mcam, int bank, nixlf, index; /* get ucast entry rule entry index */ - nix_get_nixlf(rvu, pf_func, &nixlf, NULL); + if (nix_get_nixlf(rvu, pf_func, &nixlf, NULL)) { + dev_err(rvu->dev, "%s: nixlf not attached to pcifunc:0x%x\n", + __func__, pf_func); + /* Action 0 is drop */ + return 0; + } + index = npc_get_nixlf_mcam_index(mcam, pf_func, nixlf, NIXLF_UCAST_ENTRY); bank = npc_get_bank(mcam, index); @@ -665,6 +671,7 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, int blkaddr, ucast_idx, index; struct nix_rx_action action = { 0 }; u64 relaxed_mask; + u8 flow_key_alg; if (!hw->cap.nix_rx_multicast && is_cgx_vf(rvu, pcifunc)) return; @@ -695,6 +702,8 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, action.op = NIX_RX_ACTIONOP_UCAST; } + flow_key_alg = action.flow_key_alg; + /* RX_ACTION set to MCAST for CGX PF's */ if (hw->cap.nix_rx_multicast && pfvf->use_mce_list && is_pf_cgxmapped(rvu, rvu_get_pf(pcifunc))) { @@ -734,7 +743,7 @@ void rvu_npc_install_promisc_entry(struct rvu *rvu, u16 pcifunc, req.vf = pcifunc; req.index = action.index; req.match_id = action.match_id; - req.flow_key_alg = action.flow_key_alg; + req.flow_key_alg = flow_key_alg; rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); } @@ -848,6 +857,7 @@ void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, u8 mac_addr[ETH_ALEN] = { 0 }; struct nix_rx_action action = { 0 }; struct rvu_pfvf *pfvf; + u8 flow_key_alg; u16 vf_func; /* Only CGX PF/VF can add allmulticast entry */ @@ -882,6 +892,7 @@ void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, *(u64 *)&action = npc_get_mcam_action(rvu, mcam, blkaddr, ucast_idx); + flow_key_alg = action.flow_key_alg; if (action.op != NIX_RX_ACTIONOP_RSS) { *(u64 *)&action = 0; action.op = NIX_RX_ACTIONOP_UCAST; @@ -918,7 +929,7 @@ void rvu_npc_install_allmulti_entry(struct rvu *rvu, u16 pcifunc, int nixlf, req.vf = pcifunc | vf_func; req.index = action.index; req.match_id = action.match_id; - req.flow_key_alg = action.flow_key_alg; + req.flow_key_alg = flow_key_alg; rvu_mbox_handler_npc_install_flow(rvu, &req, &rsp); } @@ -984,11 +995,38 @@ static void npc_update_vf_flow_entry(struct rvu *rvu, struct npc_mcam *mcam, mutex_unlock(&mcam->lock); } +static void npc_update_rx_action_with_alg_idx(struct rvu *rvu, struct nix_rx_action action, + struct rvu_pfvf *pfvf, int mcam_index, int blkaddr, + int alg_idx) + +{ + struct npc_mcam *mcam = &rvu->hw->mcam; + struct rvu_hwinfo *hw = rvu->hw; + int bank, op_rss; + + if (!is_mcam_entry_enabled(rvu, mcam, blkaddr, mcam_index)) + return; + + op_rss = (!hw->cap.nix_rx_multicast || !pfvf->use_mce_list); + + bank = npc_get_bank(mcam, mcam_index); + mcam_index &= (mcam->banksize - 1); + + /* If Rx action is MCAST update only RSS algorithm index */ + if (!op_rss) { + *(u64 *)&action = rvu_read64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_ACTION(mcam_index, bank)); + + action.flow_key_alg = alg_idx; + } + rvu_write64(rvu, blkaddr, + NPC_AF_MCAMEX_BANKX_ACTION(mcam_index, bank), *(u64 *)&action); +} + void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, int group, int alg_idx, int mcam_index) { struct npc_mcam *mcam = &rvu->hw->mcam; - struct rvu_hwinfo *hw = rvu->hw; struct nix_rx_action action; int blkaddr, index, bank; struct rvu_pfvf *pfvf; @@ -1044,15 +1082,16 @@ void rvu_npc_update_flowkey_alg_idx(struct rvu *rvu, u16 pcifunc, int nixlf, /* If PF's promiscuous entry is enabled, * Set RSS action for that entry as well */ - if ((!hw->cap.nix_rx_multicast || !pfvf->use_mce_list) && - is_mcam_entry_enabled(rvu, mcam, blkaddr, index)) { - bank = npc_get_bank(mcam, index); - index &= (mcam->banksize - 1); + npc_update_rx_action_with_alg_idx(rvu, action, pfvf, index, blkaddr, + alg_idx); - rvu_write64(rvu, blkaddr, - NPC_AF_MCAMEX_BANKX_ACTION(index, bank), - *(u64 *)&action); - } + index = npc_get_nixlf_mcam_index(mcam, pcifunc, + nixlf, NIXLF_ALLMULTI_ENTRY); + /* If PF's allmulti entry is enabled, + * Set RSS action for that entry as well + */ + npc_update_rx_action_with_alg_idx(rvu, action, pfvf, index, blkaddr, + alg_idx); } void npc_enadis_default_mce_entry(struct rvu *rvu, u16 pcifunc, diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c index b3150f053291..d46ac29adb96 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.c @@ -31,8 +31,8 @@ static struct hw_reg_map txsch_reg_map[NIX_TXSCH_LVL_CNT] = { {NIX_TXSCH_LVL_TL4, 3, 0xFFFF, {{0x0B00, 0x0B08}, {0x0B10, 0x0B18}, {0x1200, 0x12E0} } }, {NIX_TXSCH_LVL_TL3, 4, 0xFFFF, {{0x1000, 0x10E0}, {0x1600, 0x1608}, - {0x1610, 0x1618}, {0x1700, 0x17B0} } }, - {NIX_TXSCH_LVL_TL2, 2, 0xFFFF, {{0x0E00, 0x0EE0}, {0x1700, 0x17B0} } }, + {0x1610, 0x1618}, {0x1700, 0x17C8} } }, + {NIX_TXSCH_LVL_TL2, 2, 0xFFFF, {{0x0E00, 0x0EE0}, {0x1700, 0x17C8} } }, {NIX_TXSCH_LVL_TL1, 1, 0xFFFF, {{0x0C00, 0x0D98} } }, }; diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h index b42e631e52d0..18c1c9f361cc 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_reg.h @@ -437,6 +437,7 @@ #define NIX_AF_LINKX_BASE_MASK GENMASK_ULL(11, 0) #define NIX_AF_LINKX_RANGE_MASK GENMASK_ULL(19, 16) +#define NIX_AF_LINKX_MCS_CNT_MASK GENMASK_ULL(33, 32) /* SSO */ #define SSO_AF_CONST (0x1000) diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c index 9efcec549834..53f6258a973c 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_ethtool.c @@ -334,9 +334,12 @@ static void otx2_get_pauseparam(struct net_device *netdev, if (is_otx2_lbkvf(pfvf->pdev)) return; + mutex_lock(&pfvf->mbox.lock); req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(&pfvf->mbox); - if (!req) + if (!req) { + mutex_unlock(&pfvf->mbox.lock); return; + } if (!otx2_sync_mbox_msg(&pfvf->mbox)) { rsp = (struct cgx_pause_frm_cfg *) @@ -344,6 +347,7 @@ static void otx2_get_pauseparam(struct net_device *netdev, pause->rx_pause = rsp->rx_pause; pause->tx_pause = rsp->tx_pause; } + mutex_unlock(&pfvf->mbox.lock); } static int otx2_set_pauseparam(struct net_device *netdev, diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c index 532e324bdcc8..a57455aebff6 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_pf.c @@ -1650,6 +1650,21 @@ static void otx2_free_hw_resources(struct otx2_nic *pf) mutex_unlock(&mbox->lock); } +static bool otx2_promisc_use_mce_list(struct otx2_nic *pfvf) +{ + int vf; + + /* The AF driver will determine whether to allow the VF netdev or not */ + if (is_otx2_vf(pfvf->pcifunc)) + return true; + + /* check if there are any trusted VFs associated with the PF netdev */ + for (vf = 0; vf < pci_num_vf(pfvf->pdev); vf++) + if (pfvf->vf_configs[vf].trusted) + return true; + return false; +} + static void otx2_do_set_rx_mode(struct otx2_nic *pf) { struct net_device *netdev = pf->netdev; @@ -1682,12 +1697,21 @@ static void otx2_do_set_rx_mode(struct otx2_nic *pf) if (netdev->flags & (IFF_ALLMULTI | IFF_MULTICAST)) req->mode |= NIX_RX_MODE_ALLMULTI; - req->mode |= NIX_RX_MODE_USE_MCE; + if (otx2_promisc_use_mce_list(pf)) + req->mode |= NIX_RX_MODE_USE_MCE; otx2_sync_mbox_msg(&pf->mbox); mutex_unlock(&pf->mbox.lock); } +static void otx2_set_irq_coalesce(struct otx2_nic *pfvf) +{ + int cint; + + for (cint = 0; cint < pfvf->hw.cint_cnt; cint++) + otx2_config_irq_coalescing(pfvf, cint); +} + static void otx2_dim_work(struct work_struct *w) { struct dim_cq_moder cur_moder; @@ -1703,6 +1727,7 @@ static void otx2_dim_work(struct work_struct *w) CQ_TIMER_THRESH_MAX : cur_moder.usec; pfvf->hw.cq_ecount_wait = (cur_moder.pkts > NAPI_POLL_WEIGHT) ? NAPI_POLL_WEIGHT : cur_moder.pkts; + otx2_set_irq_coalesce(pfvf); dim->state = DIM_START_MEASURE; } @@ -2682,11 +2707,14 @@ static int otx2_ndo_set_vf_trust(struct net_device *netdev, int vf, pf->vf_configs[vf].trusted = enable; rc = otx2_set_vf_permissions(pf, vf, OTX2_TRUSTED_VF); - if (rc) + if (rc) { pf->vf_configs[vf].trusted = !enable; - else + } else { netdev_info(pf->netdev, "VF %d is %strusted\n", vf, enable ? "" : "not "); + otx2_set_rx_mode(netdev); + } + return rc; } diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c index 6ee15f3c25ed..4d519ea833b2 100644 --- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c +++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_txrx.c @@ -512,11 +512,18 @@ static void otx2_adjust_adaptive_coalese(struct otx2_nic *pfvf, struct otx2_cq_p { struct dim_sample dim_sample; u64 rx_frames, rx_bytes; + u64 tx_frames, tx_bytes; rx_frames = OTX2_GET_RX_STATS(RX_BCAST) + OTX2_GET_RX_STATS(RX_MCAST) + OTX2_GET_RX_STATS(RX_UCAST); rx_bytes = OTX2_GET_RX_STATS(RX_OCTS); - dim_update_sample(pfvf->napi_events, rx_frames, rx_bytes, &dim_sample); + tx_bytes = OTX2_GET_TX_STATS(TX_OCTS); + tx_frames = OTX2_GET_TX_STATS(TX_UCAST); + + dim_update_sample(pfvf->napi_events, + rx_frames + tx_frames, + rx_bytes + tx_bytes, + &dim_sample); net_dim(&cq_poll->dim, dim_sample); } @@ -558,16 +565,9 @@ int otx2_napi_handler(struct napi_struct *napi, int budget) if (pfvf->flags & OTX2_FLAG_INTF_DOWN) return workdone; - /* Check for adaptive interrupt coalesce */ - if (workdone != 0 && - ((pfvf->flags & OTX2_FLAG_ADPTV_INT_COAL_ENABLED) == - OTX2_FLAG_ADPTV_INT_COAL_ENABLED)) { - /* Adjust irq coalese using net_dim */ + /* Adjust irq coalese using net_dim */ + if (pfvf->flags & OTX2_FLAG_ADPTV_INT_COAL_ENABLED) otx2_adjust_adaptive_coalese(pfvf, cq_poll); - /* Update irq coalescing */ - for (i = 0; i < pfvf->hw.cint_cnt; i++) - otx2_config_irq_coalescing(pfvf, i); - } if (unlikely(!filled_cnt)) { struct refill_work *work; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index b2a5da9739d2..729a11b5fb25 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -826,6 +826,7 @@ enum { MLX5E_STATE_DESTROYING, MLX5E_STATE_XDP_TX_ENABLED, MLX5E_STATE_XDP_ACTIVE, + MLX5E_STATE_CHANNELS_ACTIVE, }; struct mlx5e_modify_sq_param { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c index 4e923a2874ae..86bf007fd05b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/tc/post_act.c @@ -83,6 +83,9 @@ mlx5e_tc_post_act_offload(struct mlx5e_post_act *post_act, struct mlx5_flow_spec *spec; int err; + if (IS_ERR(post_act)) + return PTR_ERR(post_act); + spec = kvzalloc(sizeof(*spec), GFP_KERNEL); if (!spec) return -ENOMEM; @@ -111,6 +114,9 @@ mlx5e_tc_post_act_add(struct mlx5e_post_act *post_act, struct mlx5_flow_attr *po struct mlx5e_post_act_handle *handle; int err; + if (IS_ERR(post_act)) + return ERR_CAST(post_act); + handle = kzalloc(sizeof(*handle), GFP_KERNEL); if (!handle) return ERR_PTR(-ENOMEM); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c index 655496598c68..161c5190c236 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -121,7 +121,14 @@ static bool mlx5e_ipsec_update_esn_state(struct mlx5e_ipsec_sa_entry *sa_entry) if (x->xso.type == XFRM_DEV_OFFLOAD_CRYPTO) esn_msb = xfrm_replay_seqhi(x, htonl(seq_bottom)); - sa_entry->esn_state.esn = esn; + if (sa_entry->esn_state.esn_msb) + sa_entry->esn_state.esn = esn; + else + /* According to RFC4303, section "3.3.3. Sequence Number Generation", + * the first packet sent using a given SA will contain a sequence + * number of 1. + */ + sa_entry->esn_state.esn = max_t(u32, esn, 1); sa_entry->esn_state.esn_msb = esn_msb; if (unlikely(overlap && seq_bottom < MLX5E_IPSEC_ESN_SCOPE_MID)) { @@ -335,6 +342,27 @@ void mlx5e_ipsec_build_accel_xfrm_attrs(struct mlx5e_ipsec_sa_entry *sa_entry, attrs->replay_esn.esn = sa_entry->esn_state.esn; attrs->replay_esn.esn_msb = sa_entry->esn_state.esn_msb; attrs->replay_esn.overlap = sa_entry->esn_state.overlap; + switch (x->replay_esn->replay_window) { + case 32: + attrs->replay_esn.replay_window = + MLX5_IPSEC_ASO_REPLAY_WIN_32BIT; + break; + case 64: + attrs->replay_esn.replay_window = + MLX5_IPSEC_ASO_REPLAY_WIN_64BIT; + break; + case 128: + attrs->replay_esn.replay_window = + MLX5_IPSEC_ASO_REPLAY_WIN_128BIT; + break; + case 256: + attrs->replay_esn.replay_window = + MLX5_IPSEC_ASO_REPLAY_WIN_256BIT; + break; + default: + WARN_ON(true); + return; + } } attrs->dir = x->xso.dir; @@ -907,9 +935,11 @@ void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv) return; mlx5e_accel_ipsec_fs_cleanup(ipsec); - if (mlx5_ipsec_device_caps(priv->mdev) & MLX5_IPSEC_CAP_TUNNEL) + if (ipsec->netevent_nb.notifier_call) { unregister_netevent_notifier(&ipsec->netevent_nb); - if (mlx5_ipsec_device_caps(priv->mdev) & MLX5_IPSEC_CAP_PACKET_OFFLOAD) + ipsec->netevent_nb.notifier_call = NULL; + } + if (ipsec->aso) mlx5e_ipsec_aso_cleanup(ipsec); destroy_workqueue(ipsec->wq); kfree(ipsec); @@ -1018,6 +1048,12 @@ static int mlx5e_xfrm_validate_policy(struct mlx5_core_dev *mdev, } } + if (x->xdo.type == XFRM_DEV_OFFLOAD_PACKET && + !(mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_PACKET_OFFLOAD)) { + NL_SET_ERR_MSG_MOD(extack, "Packet offload is not supported"); + return -EINVAL; + } + return 0; } @@ -1113,14 +1149,6 @@ static const struct xfrmdev_ops mlx5e_ipsec_xfrmdev_ops = { .xdo_dev_state_free = mlx5e_xfrm_free_state, .xdo_dev_offload_ok = mlx5e_ipsec_offload_ok, .xdo_dev_state_advance_esn = mlx5e_xfrm_advance_esn_state, -}; - -static const struct xfrmdev_ops mlx5e_ipsec_packet_xfrmdev_ops = { - .xdo_dev_state_add = mlx5e_xfrm_add_state, - .xdo_dev_state_delete = mlx5e_xfrm_del_state, - .xdo_dev_state_free = mlx5e_xfrm_free_state, - .xdo_dev_offload_ok = mlx5e_ipsec_offload_ok, - .xdo_dev_state_advance_esn = mlx5e_xfrm_advance_esn_state, .xdo_dev_state_update_curlft = mlx5e_xfrm_update_curlft, .xdo_dev_policy_add = mlx5e_xfrm_add_policy, @@ -1138,11 +1166,7 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv) mlx5_core_info(mdev, "mlx5e: IPSec ESP acceleration enabled\n"); - if (mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_PACKET_OFFLOAD) - netdev->xfrmdev_ops = &mlx5e_ipsec_packet_xfrmdev_ops; - else - netdev->xfrmdev_ops = &mlx5e_ipsec_xfrmdev_ops; - + netdev->xfrmdev_ops = &mlx5e_ipsec_xfrmdev_ops; netdev->features |= NETIF_F_HW_ESP; netdev->hw_enc_features |= NETIF_F_HW_ESP; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h index 8f4a37bceaf4..adaea3493193 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h @@ -189,11 +189,19 @@ struct mlx5e_ipsec_ft { u32 refcnt; }; +struct mlx5e_ipsec_drop { + struct mlx5_flow_handle *rule; + struct mlx5_fc *fc; +}; + struct mlx5e_ipsec_rule { struct mlx5_flow_handle *rule; struct mlx5_modify_hdr *modify_hdr; struct mlx5_pkt_reformat *pkt_reformat; struct mlx5_fc *fc; + struct mlx5e_ipsec_drop replay; + struct mlx5e_ipsec_drop auth; + struct mlx5e_ipsec_drop trailer; }; struct mlx5e_ipsec_miss { @@ -201,19 +209,6 @@ struct mlx5e_ipsec_miss { struct mlx5_flow_handle *rule; }; -struct mlx5e_ipsec_rx { - struct mlx5e_ipsec_ft ft; - struct mlx5e_ipsec_miss pol; - struct mlx5e_ipsec_miss sa; - struct mlx5e_ipsec_rule status; - struct mlx5e_ipsec_miss status_drop; - struct mlx5_fc *status_drop_cnt; - struct mlx5e_ipsec_fc *fc; - struct mlx5_fs_chains *chains; - u8 allow_tunnel_mode : 1; - struct xarray ipsec_obj_id_map; -}; - struct mlx5e_ipsec_tx_create_attr { int prio; int pol_level; @@ -248,6 +243,7 @@ struct mlx5e_ipsec { struct mlx5_ipsec_fs *roce; u8 is_uplink_rep: 1; struct mlx5e_ipsec_mpv_work mpv_work; + struct xarray ipsec_obj_id_map; }; struct mlx5e_ipsec_esn_state { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c index f41c976dc33f..c1e89dc77db9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c @@ -32,6 +32,22 @@ struct mlx5e_ipsec_tx { u8 allow_tunnel_mode : 1; }; +struct mlx5e_ipsec_status_checks { + struct mlx5_flow_group *drop_all_group; + struct mlx5e_ipsec_drop all; +}; + +struct mlx5e_ipsec_rx { + struct mlx5e_ipsec_ft ft; + struct mlx5e_ipsec_miss pol; + struct mlx5e_ipsec_miss sa; + struct mlx5e_ipsec_rule status; + struct mlx5e_ipsec_status_checks status_drops; + struct mlx5e_ipsec_fc *fc; + struct mlx5_fs_chains *chains; + u8 allow_tunnel_mode : 1; +}; + /* IPsec RX flow steering */ static enum mlx5_traffic_types family2tt(u32 family) { @@ -128,14 +144,37 @@ static struct mlx5_flow_table *ipsec_ft_create(struct mlx5_flow_namespace *ns, return mlx5_create_auto_grouped_flow_table(ns, &ft_attr); } -static int ipsec_status_rule(struct mlx5_core_dev *mdev, - struct mlx5e_ipsec_rx *rx, - struct mlx5_flow_destination *dest) +static void ipsec_rx_status_drop_destroy(struct mlx5e_ipsec *ipsec, + struct mlx5e_ipsec_rx *rx) +{ + mlx5_del_flow_rules(rx->status_drops.all.rule); + mlx5_fc_destroy(ipsec->mdev, rx->status_drops.all.fc); + mlx5_destroy_flow_group(rx->status_drops.drop_all_group); +} + +static void ipsec_rx_status_pass_destroy(struct mlx5e_ipsec *ipsec, + struct mlx5e_ipsec_rx *rx) { - u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {}; + mlx5_del_flow_rules(rx->status.rule); + + if (rx != ipsec->rx_esw) + return; + +#ifdef CONFIG_MLX5_ESWITCH + mlx5_chains_put_table(esw_chains(ipsec->mdev->priv.eswitch), 0, 1, 0); +#endif +} + +static int rx_add_rule_drop_auth_trailer(struct mlx5e_ipsec_sa_entry *sa_entry, + struct mlx5e_ipsec_rx *rx) +{ + struct mlx5e_ipsec *ipsec = sa_entry->ipsec; + struct mlx5_flow_table *ft = rx->ft.status; + struct mlx5_core_dev *mdev = ipsec->mdev; + struct mlx5_flow_destination dest = {}; struct mlx5_flow_act flow_act = {}; - struct mlx5_modify_hdr *modify_hdr; - struct mlx5_flow_handle *fte; + struct mlx5_flow_handle *rule; + struct mlx5_fc *flow_counter; struct mlx5_flow_spec *spec; int err; @@ -143,48 +182,273 @@ static int ipsec_status_rule(struct mlx5_core_dev *mdev, if (!spec) return -ENOMEM; - /* Action to copy 7 bit ipsec_syndrome to regB[24:30] */ - MLX5_SET(copy_action_in, action, action_type, MLX5_ACTION_TYPE_COPY); - MLX5_SET(copy_action_in, action, src_field, MLX5_ACTION_IN_FIELD_IPSEC_SYNDROME); - MLX5_SET(copy_action_in, action, src_offset, 0); - MLX5_SET(copy_action_in, action, length, 7); - MLX5_SET(copy_action_in, action, dst_field, MLX5_ACTION_IN_FIELD_METADATA_REG_B); - MLX5_SET(copy_action_in, action, dst_offset, 24); + flow_counter = mlx5_fc_create(mdev, true); + if (IS_ERR(flow_counter)) { + err = PTR_ERR(flow_counter); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule counter, err=%d\n", err); + goto err_cnt; + } + sa_entry->ipsec_rule.auth.fc = flow_counter; - modify_hdr = mlx5_modify_header_alloc(mdev, MLX5_FLOW_NAMESPACE_KERNEL, - 1, action); + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP | MLX5_FLOW_CONTEXT_ACTION_COUNT; + flow_act.flags = FLOW_ACT_NO_APPEND; + dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; + dest.counter_id = mlx5_fc_id(flow_counter); + if (rx == ipsec->rx_esw) + spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; - if (IS_ERR(modify_hdr)) { - err = PTR_ERR(modify_hdr); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, misc_parameters_2.ipsec_syndrome); + MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.ipsec_syndrome, 1); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, misc_parameters_2.metadata_reg_c_2); + MLX5_SET(fte_match_param, spec->match_value, + misc_parameters_2.metadata_reg_c_2, + sa_entry->ipsec_obj_id | BIT(31)); + spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; + rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1); + if (IS_ERR(rule)) { + err = PTR_ERR(rule); mlx5_core_err(mdev, - "fail to alloc ipsec copy modify_header_id err=%d\n", err); - goto out_spec; + "Failed to add ipsec rx status drop rule, err=%d\n", err); + goto err_rule; } + sa_entry->ipsec_rule.auth.rule = rule; - /* create fte */ - flow_act.action = MLX5_FLOW_CONTEXT_ACTION_MOD_HDR | - MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | + flow_counter = mlx5_fc_create(mdev, true); + if (IS_ERR(flow_counter)) { + err = PTR_ERR(flow_counter); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule counter, err=%d\n", err); + goto err_cnt_2; + } + sa_entry->ipsec_rule.trailer.fc = flow_counter; + + dest.counter_id = mlx5_fc_id(flow_counter); + MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.ipsec_syndrome, 2); + rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1); + if (IS_ERR(rule)) { + err = PTR_ERR(rule); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule, err=%d\n", err); + goto err_rule_2; + } + sa_entry->ipsec_rule.trailer.rule = rule; + + kvfree(spec); + return 0; + +err_rule_2: + mlx5_fc_destroy(mdev, sa_entry->ipsec_rule.trailer.fc); +err_cnt_2: + mlx5_del_flow_rules(sa_entry->ipsec_rule.auth.rule); +err_rule: + mlx5_fc_destroy(mdev, sa_entry->ipsec_rule.auth.fc); +err_cnt: + kvfree(spec); + return err; +} + +static int rx_add_rule_drop_replay(struct mlx5e_ipsec_sa_entry *sa_entry, struct mlx5e_ipsec_rx *rx) +{ + struct mlx5e_ipsec *ipsec = sa_entry->ipsec; + struct mlx5_flow_table *ft = rx->ft.status; + struct mlx5_core_dev *mdev = ipsec->mdev; + struct mlx5_flow_destination dest = {}; + struct mlx5_flow_act flow_act = {}; + struct mlx5_flow_handle *rule; + struct mlx5_fc *flow_counter; + struct mlx5_flow_spec *spec; + int err; + + spec = kvzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + + flow_counter = mlx5_fc_create(mdev, true); + if (IS_ERR(flow_counter)) { + err = PTR_ERR(flow_counter); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule counter, err=%d\n", err); + goto err_cnt; + } + + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP | MLX5_FLOW_CONTEXT_ACTION_COUNT; + flow_act.flags = FLOW_ACT_NO_APPEND; + dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; + dest.counter_id = mlx5_fc_id(flow_counter); + if (rx == ipsec->rx_esw) + spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; + + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, misc_parameters_2.metadata_reg_c_4); + MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.metadata_reg_c_4, 1); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, misc_parameters_2.metadata_reg_c_2); + MLX5_SET(fte_match_param, spec->match_value, misc_parameters_2.metadata_reg_c_2, + sa_entry->ipsec_obj_id | BIT(31)); + spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; + rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1); + if (IS_ERR(rule)) { + err = PTR_ERR(rule); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule, err=%d\n", err); + goto err_rule; + } + + sa_entry->ipsec_rule.replay.rule = rule; + sa_entry->ipsec_rule.replay.fc = flow_counter; + + kvfree(spec); + return 0; + +err_rule: + mlx5_fc_destroy(mdev, flow_counter); +err_cnt: + kvfree(spec); + return err; +} + +static int ipsec_rx_status_drop_all_create(struct mlx5e_ipsec *ipsec, + struct mlx5e_ipsec_rx *rx) +{ + int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); + struct mlx5_flow_table *ft = rx->ft.status; + struct mlx5_core_dev *mdev = ipsec->mdev; + struct mlx5_flow_destination dest = {}; + struct mlx5_flow_act flow_act = {}; + struct mlx5_flow_handle *rule; + struct mlx5_fc *flow_counter; + struct mlx5_flow_spec *spec; + struct mlx5_flow_group *g; + u32 *flow_group_in; + int err = 0; + + flow_group_in = kvzalloc(inlen, GFP_KERNEL); + spec = kvzalloc(sizeof(*spec), GFP_KERNEL); + if (!flow_group_in || !spec) { + err = -ENOMEM; + goto err_out; + } + + MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ft->max_fte - 1); + MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ft->max_fte - 1); + g = mlx5_create_flow_group(ft, flow_group_in); + if (IS_ERR(g)) { + err = PTR_ERR(g); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop flow group, err=%d\n", err); + goto err_out; + } + + flow_counter = mlx5_fc_create(mdev, false); + if (IS_ERR(flow_counter)) { + err = PTR_ERR(flow_counter); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule counter, err=%d\n", err); + goto err_cnt; + } + + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP | MLX5_FLOW_CONTEXT_ACTION_COUNT; + dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; + dest.counter_id = mlx5_fc_id(flow_counter); + if (rx == ipsec->rx_esw) + spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; + rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1); + if (IS_ERR(rule)) { + err = PTR_ERR(rule); + mlx5_core_err(mdev, + "Failed to add ipsec rx status drop rule, err=%d\n", err); + goto err_rule; + } + + rx->status_drops.drop_all_group = g; + rx->status_drops.all.rule = rule; + rx->status_drops.all.fc = flow_counter; + + kvfree(flow_group_in); + kvfree(spec); + return 0; + +err_rule: + mlx5_fc_destroy(mdev, flow_counter); +err_cnt: + mlx5_destroy_flow_group(g); +err_out: + kvfree(flow_group_in); + kvfree(spec); + return err; +} + +static int ipsec_rx_status_pass_create(struct mlx5e_ipsec *ipsec, + struct mlx5e_ipsec_rx *rx, + struct mlx5_flow_destination *dest) +{ + struct mlx5_flow_act flow_act = {}; + struct mlx5_flow_handle *rule; + struct mlx5_flow_spec *spec; + int err; + + spec = kvzalloc(sizeof(*spec), GFP_KERNEL); + if (!spec) + return -ENOMEM; + + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + misc_parameters_2.ipsec_syndrome); + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + misc_parameters_2.metadata_reg_c_4); + MLX5_SET(fte_match_param, spec->match_value, + misc_parameters_2.ipsec_syndrome, 0); + MLX5_SET(fte_match_param, spec->match_value, + misc_parameters_2.metadata_reg_c_4, 0); + if (rx == ipsec->rx_esw) + spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; + spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; + flow_act.flags = FLOW_ACT_NO_APPEND; + flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | MLX5_FLOW_CONTEXT_ACTION_COUNT; - flow_act.modify_hdr = modify_hdr; - fte = mlx5_add_flow_rules(rx->ft.status, spec, &flow_act, dest, 2); - if (IS_ERR(fte)) { - err = PTR_ERR(fte); - mlx5_core_err(mdev, "fail to add ipsec rx err copy rule err=%d\n", err); - goto out; + rule = mlx5_add_flow_rules(rx->ft.status, spec, &flow_act, dest, 2); + if (IS_ERR(rule)) { + err = PTR_ERR(rule); + mlx5_core_warn(ipsec->mdev, + "Failed to add ipsec rx status pass rule, err=%d\n", err); + goto err_rule; } + rx->status.rule = rule; kvfree(spec); - rx->status.rule = fte; - rx->status.modify_hdr = modify_hdr; return 0; -out: - mlx5_modify_header_dealloc(mdev, modify_hdr); -out_spec: +err_rule: kvfree(spec); return err; } +static void mlx5_ipsec_rx_status_destroy(struct mlx5e_ipsec *ipsec, + struct mlx5e_ipsec_rx *rx) +{ + ipsec_rx_status_pass_destroy(ipsec, rx); + ipsec_rx_status_drop_destroy(ipsec, rx); +} + +static int mlx5_ipsec_rx_status_create(struct mlx5e_ipsec *ipsec, + struct mlx5e_ipsec_rx *rx, + struct mlx5_flow_destination *dest) +{ + int err; + + err = ipsec_rx_status_drop_all_create(ipsec, rx); + if (err) + return err; + + err = ipsec_rx_status_pass_create(ipsec, rx, dest); + if (err) + goto err_pass_create; + + return 0; + +err_pass_create: + ipsec_rx_status_drop_destroy(ipsec, rx); + return err; +} + static int ipsec_miss_create(struct mlx5_core_dev *mdev, struct mlx5_flow_table *ft, struct mlx5e_ipsec_miss *miss, @@ -333,12 +597,7 @@ static void rx_destroy(struct mlx5_core_dev *mdev, struct mlx5e_ipsec *ipsec, mlx5_destroy_flow_table(rx->ft.sa); if (rx->allow_tunnel_mode) mlx5_eswitch_unblock_encap(mdev); - if (rx == ipsec->rx_esw) { - mlx5_esw_ipsec_rx_status_destroy(ipsec, rx); - } else { - mlx5_del_flow_rules(rx->status.rule); - mlx5_modify_header_dealloc(mdev, rx->status.modify_hdr); - } + mlx5_ipsec_rx_status_destroy(ipsec, rx); mlx5_destroy_flow_table(rx->ft.status); mlx5_ipsec_fs_roce_rx_destroy(ipsec->roce, family, mdev); @@ -419,7 +678,7 @@ static int rx_create(struct mlx5_core_dev *mdev, struct mlx5e_ipsec *ipsec, if (err) return err; - ft = ipsec_ft_create(attr.ns, attr.status_level, attr.prio, 1, 0); + ft = ipsec_ft_create(attr.ns, attr.status_level, attr.prio, 3, 0); if (IS_ERR(ft)) { err = PTR_ERR(ft); goto err_fs_ft_status; @@ -428,10 +687,7 @@ static int rx_create(struct mlx5_core_dev *mdev, struct mlx5e_ipsec *ipsec, dest[1].type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; dest[1].counter_id = mlx5_fc_id(rx->fc->cnt); - if (rx == ipsec->rx_esw) - err = mlx5_esw_ipsec_rx_status_create(ipsec, rx, dest); - else - err = ipsec_status_rule(mdev, rx, dest); + err = mlx5_ipsec_rx_status_create(ipsec, rx, dest); if (err) goto err_add; @@ -956,13 +1212,22 @@ static void setup_fte_esp(struct mlx5_flow_spec *spec) MLX5_SET(fte_match_param, spec->match_value, outer_headers.ip_protocol, IPPROTO_ESP); } -static void setup_fte_spi(struct mlx5_flow_spec *spec, u32 spi) +static void setup_fte_spi(struct mlx5_flow_spec *spec, u32 spi, bool encap) { /* SPI number */ spec->match_criteria_enable |= MLX5_MATCH_MISC_PARAMETERS; - MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, misc_parameters.outer_esp_spi); - MLX5_SET(fte_match_param, spec->match_value, misc_parameters.outer_esp_spi, spi); + if (encap) { + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + misc_parameters.inner_esp_spi); + MLX5_SET(fte_match_param, spec->match_value, + misc_parameters.inner_esp_spi, spi); + } else { + MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, + misc_parameters.outer_esp_spi); + MLX5_SET(fte_match_param, spec->match_value, + misc_parameters.outer_esp_spi, spi); + } } static void setup_fte_no_frags(struct mlx5_flow_spec *spec) @@ -1052,29 +1317,48 @@ static int setup_modify_header(struct mlx5e_ipsec *ipsec, int type, u32 val, u8 struct mlx5_flow_act *flow_act) { enum mlx5_flow_namespace_type ns_type = ipsec_fs_get_ns(ipsec, type, dir); - u8 action[MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {}; + u8 action[3][MLX5_UN_SZ_BYTES(set_add_copy_action_in_auto)] = {}; struct mlx5_core_dev *mdev = ipsec->mdev; struct mlx5_modify_hdr *modify_hdr; + u8 num_of_actions = 1; - MLX5_SET(set_action_in, action, action_type, MLX5_ACTION_TYPE_SET); + MLX5_SET(set_action_in, action[0], action_type, MLX5_ACTION_TYPE_SET); switch (dir) { case XFRM_DEV_OFFLOAD_IN: - MLX5_SET(set_action_in, action, field, + MLX5_SET(set_action_in, action[0], field, MLX5_ACTION_IN_FIELD_METADATA_REG_B); + + num_of_actions++; + MLX5_SET(set_action_in, action[1], action_type, MLX5_ACTION_TYPE_SET); + MLX5_SET(set_action_in, action[1], field, MLX5_ACTION_IN_FIELD_METADATA_REG_C_2); + MLX5_SET(set_action_in, action[1], data, val); + MLX5_SET(set_action_in, action[1], offset, 0); + MLX5_SET(set_action_in, action[1], length, 32); + + if (type == XFRM_DEV_OFFLOAD_CRYPTO) { + num_of_actions++; + MLX5_SET(set_action_in, action[2], action_type, + MLX5_ACTION_TYPE_SET); + MLX5_SET(set_action_in, action[2], field, + MLX5_ACTION_IN_FIELD_METADATA_REG_C_4); + MLX5_SET(set_action_in, action[2], data, 0); + MLX5_SET(set_action_in, action[2], offset, 0); + MLX5_SET(set_action_in, action[2], length, 32); + } break; case XFRM_DEV_OFFLOAD_OUT: - MLX5_SET(set_action_in, action, field, + MLX5_SET(set_action_in, action[0], field, MLX5_ACTION_IN_FIELD_METADATA_REG_C_4); break; default: return -EINVAL; } - MLX5_SET(set_action_in, action, data, val); - MLX5_SET(set_action_in, action, offset, 0); - MLX5_SET(set_action_in, action, length, 32); + MLX5_SET(set_action_in, action[0], data, val); + MLX5_SET(set_action_in, action[0], offset, 0); + MLX5_SET(set_action_in, action[0], length, 32); - modify_hdr = mlx5_modify_header_alloc(mdev, ns_type, 1, action); + modify_hdr = mlx5_modify_header_alloc(mdev, ns_type, num_of_actions, action); if (IS_ERR(modify_hdr)) { mlx5_core_err(mdev, "Failed to allocate modify_header %ld\n", PTR_ERR(modify_hdr)); @@ -1321,8 +1605,9 @@ static int rx_add_rule(struct mlx5e_ipsec_sa_entry *sa_entry) else setup_fte_addr6(spec, attrs->saddr.a6, attrs->daddr.a6); - setup_fte_spi(spec, attrs->spi); - setup_fte_esp(spec); + setup_fte_spi(spec, attrs->spi, attrs->encap); + if (!attrs->encap) + setup_fte_esp(spec); setup_fte_no_frags(spec); setup_fte_upper_proto_match(spec, &attrs->upspec); @@ -1372,6 +1657,15 @@ static int rx_add_rule(struct mlx5e_ipsec_sa_entry *sa_entry) mlx5_core_err(mdev, "fail to add RX ipsec rule err=%d\n", err); goto err_add_flow; } + if (attrs->type == XFRM_DEV_OFFLOAD_PACKET) + err = rx_add_rule_drop_replay(sa_entry, rx); + if (err) + goto err_add_replay; + + err = rx_add_rule_drop_auth_trailer(sa_entry, rx); + if (err) + goto err_drop_reason; + kvfree(spec); sa_entry->ipsec_rule.rule = rule; @@ -1380,6 +1674,13 @@ static int rx_add_rule(struct mlx5e_ipsec_sa_entry *sa_entry) sa_entry->ipsec_rule.pkt_reformat = flow_act.pkt_reformat; return 0; +err_drop_reason: + if (sa_entry->ipsec_rule.replay.rule) { + mlx5_del_flow_rules(sa_entry->ipsec_rule.replay.rule); + mlx5_fc_destroy(mdev, sa_entry->ipsec_rule.replay.fc); + } +err_add_replay: + mlx5_del_flow_rules(rule); err_add_flow: mlx5_fc_destroy(mdev, counter); err_add_cnt: @@ -1428,7 +1729,7 @@ static int tx_add_rule(struct mlx5e_ipsec_sa_entry *sa_entry) switch (attrs->type) { case XFRM_DEV_OFFLOAD_CRYPTO: - setup_fte_spi(spec, attrs->spi); + setup_fte_spi(spec, attrs->spi, false); setup_fte_esp(spec); setup_fte_reg_a(spec); break; @@ -1809,8 +2110,11 @@ static int mlx5e_ipsec_block_tc_offload(struct mlx5_core_dev *mdev) struct mlx5_eswitch *esw = mdev->priv.eswitch; int err = 0; - if (esw) - down_write(&esw->mode_lock); + if (esw) { + err = mlx5_esw_lock(esw); + if (err) + return err; + } if (mdev->num_block_ipsec) { err = -EBUSY; @@ -1821,7 +2125,7 @@ static int mlx5e_ipsec_block_tc_offload(struct mlx5_core_dev *mdev) unlock: if (esw) - up_write(&esw->mode_lock); + mlx5_esw_unlock(esw); return err; } @@ -1887,6 +2191,17 @@ void mlx5e_accel_ipsec_fs_del_rule(struct mlx5e_ipsec_sa_entry *sa_entry) if (ipsec_rule->modify_hdr) mlx5_modify_header_dealloc(mdev, ipsec_rule->modify_hdr); + + mlx5_del_flow_rules(ipsec_rule->trailer.rule); + mlx5_fc_destroy(mdev, ipsec_rule->trailer.fc); + + mlx5_del_flow_rules(ipsec_rule->auth.rule); + mlx5_fc_destroy(mdev, ipsec_rule->auth.fc); + + if (ipsec_rule->replay.rule) { + mlx5_del_flow_rules(ipsec_rule->replay.rule); + mlx5_fc_destroy(mdev, ipsec_rule->replay.fc); + } mlx5_esw_ipsec_rx_id_mapping_remove(sa_entry); rx_ft_put(sa_entry->ipsec, sa_entry->attrs.family, sa_entry->attrs.type); } @@ -1957,7 +2272,7 @@ void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_ipsec *ipsec) kfree(ipsec->rx_ipv6); if (ipsec->is_uplink_rep) { - xa_destroy(&ipsec->rx_esw->ipsec_obj_id_map); + xa_destroy(&ipsec->ipsec_obj_id_map); mutex_destroy(&ipsec->tx_esw->ft.mutex); WARN_ON(ipsec->tx_esw->ft.refcnt); @@ -2020,7 +2335,7 @@ int mlx5e_accel_ipsec_fs_init(struct mlx5e_ipsec *ipsec, mutex_init(&ipsec->tx_esw->ft.mutex); mutex_init(&ipsec->rx_esw->ft.mutex); ipsec->tx_esw->ns = ns_esw; - xa_init_flags(&ipsec->rx_esw->ipsec_obj_id_map, XA_FLAGS_ALLOC1); + xa_init_flags(&ipsec->ipsec_obj_id_map, XA_FLAGS_ALLOC1); } else if (mlx5_ipsec_device_caps(mdev) & MLX5_IPSEC_CAP_ROCE) { ipsec->roce = mlx5_ipsec_fs_roce_init(mdev, devcom); } else { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c index a91f772dc981..6e00afe4671b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c @@ -6,6 +6,8 @@ #include "ipsec.h" #include "lib/crypto.h" #include "lib/ipsec_fs_roce.h" +#include "fs_core.h" +#include "eswitch.h" enum { MLX5_IPSEC_ASO_REMOVE_FLOW_PKT_CNT_OFFSET, @@ -38,7 +40,10 @@ u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev) MLX5_CAP_ETH(mdev, insert_trailer) && MLX5_CAP_ETH(mdev, swp)) caps |= MLX5_IPSEC_CAP_CRYPTO; - if (MLX5_CAP_IPSEC(mdev, ipsec_full_offload)) { + if (MLX5_CAP_IPSEC(mdev, ipsec_full_offload) && + (mdev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_DMFS || + (mdev->priv.steering->mode == MLX5_FLOW_STEERING_MODE_SMFS && + is_mdev_legacy_mode(mdev)))) { if (MLX5_CAP_FLOWTABLE_NIC_TX(mdev, reformat_add_esp_trasport) && MLX5_CAP_FLOWTABLE_NIC_RX(mdev, @@ -95,7 +100,7 @@ static void mlx5e_ipsec_packet_setup(void *obj, u32 pdn, if (attrs->dir == XFRM_DEV_OFFLOAD_IN) { MLX5_SET(ipsec_aso, aso_ctx, window_sz, - attrs->replay_esn.replay_window / 64); + attrs->replay_esn.replay_window); MLX5_SET(ipsec_aso, aso_ctx, mode, MLX5_IPSEC_ASO_REPLAY_PROTECTION); } @@ -559,6 +564,7 @@ void mlx5e_ipsec_aso_cleanup(struct mlx5e_ipsec *ipsec) dma_unmap_single(pdev, aso->dma_addr, sizeof(aso->ctx), DMA_BIDIRECTIONAL); kfree(aso); + ipsec->aso = NULL; } static void mlx5e_ipsec_aso_copy(struct mlx5_wqe_aso_ctrl_seg *ctrl, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index ea58c6917433..0c87ddb8a7a2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -2731,6 +2731,7 @@ void mlx5e_close_channels(struct mlx5e_channels *chs) { int i; + ASSERT_RTNL(); if (chs->ptp) { mlx5e_ptp_close(chs->ptp); chs->ptp = NULL; @@ -3012,17 +3013,29 @@ void mlx5e_activate_priv_channels(struct mlx5e_priv *priv) if (mlx5e_is_vport_rep(priv)) mlx5e_rep_activate_channels(priv); + set_bit(MLX5E_STATE_CHANNELS_ACTIVE, &priv->state); + mlx5e_wait_channels_min_rx_wqes(&priv->channels); if (priv->rx_res) mlx5e_rx_res_channels_activate(priv->rx_res, &priv->channels); } +static void mlx5e_cancel_tx_timeout_work(struct mlx5e_priv *priv) +{ + WARN_ON_ONCE(test_bit(MLX5E_STATE_CHANNELS_ACTIVE, &priv->state)); + if (current_work() != &priv->tx_timeout_work) + cancel_work_sync(&priv->tx_timeout_work); +} + void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv) { if (priv->rx_res) mlx5e_rx_res_channels_deactivate(priv->rx_res); + clear_bit(MLX5E_STATE_CHANNELS_ACTIVE, &priv->state); + mlx5e_cancel_tx_timeout_work(priv); + if (mlx5e_is_vport_rep(priv)) mlx5e_rep_deactivate_channels(priv); @@ -4801,8 +4814,17 @@ static void mlx5e_tx_timeout_work(struct work_struct *work) struct net_device *netdev = priv->netdev; int i; - rtnl_lock(); - mutex_lock(&priv->state_lock); + /* Take rtnl_lock to ensure no change in netdev->real_num_tx_queues + * through this flow. However, channel closing flows have to wait for + * this work to finish while holding rtnl lock too. So either get the + * lock or find that channels are being closed for other reason and + * this work is not relevant anymore. + */ + while (!rtnl_trylock()) { + if (!test_bit(MLX5E_STATE_CHANNELS_ACTIVE, &priv->state)) + return; + msleep(20); + } if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) goto unlock; @@ -4821,7 +4843,6 @@ static void mlx5e_tx_timeout_work(struct work_struct *work) } unlock: - mutex_unlock(&priv->state_lock); rtnl_unlock(); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 3ab682bbcf86..1bf7540a65ad 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -1497,7 +1497,7 @@ mlx5e_vport_vf_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep) dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport); - if (dl_port) { + if (!IS_ERR(dl_port)) { SET_NETDEV_DEVLINK_PORT(netdev, dl_port); mlx5e_rep_vnic_reporter_create(priv, dl_port); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 7ca9e5b86778..4809a66f3491 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -444,6 +444,9 @@ mlx5e_tc_add_flow_meter(struct mlx5e_priv *priv, struct mlx5e_flow_meter_handle *meter; enum mlx5e_post_meter_type type; + if (IS_ERR(post_act)) + return PTR_ERR(post_act); + meter = mlx5e_tc_meter_replace(priv->mdev, &attr->meter_attr.params); if (IS_ERR(meter)) { mlx5_core_err(priv->mdev, "Failed to get flow meter\n"); @@ -3739,6 +3742,20 @@ out_free: } static int +set_branch_dest_ft(struct mlx5e_priv *priv, struct mlx5_flow_attr *attr) +{ + struct mlx5e_post_act *post_act = get_post_action(priv); + + if (IS_ERR(post_act)) + return PTR_ERR(post_act); + + attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; + attr->dest_ft = mlx5e_tc_post_act_get_ft(post_act); + + return 0; +} + +static int alloc_branch_attr(struct mlx5e_tc_flow *flow, struct mlx5e_tc_act_branch_ctrl *cond, struct mlx5_flow_attr **cond_attr, @@ -3761,8 +3778,8 @@ alloc_branch_attr(struct mlx5e_tc_flow *flow, break; case FLOW_ACTION_ACCEPT: case FLOW_ACTION_PIPE: - attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; - attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); + if (set_branch_dest_ft(flow->priv, attr)) + goto out_err; break; case FLOW_ACTION_JUMP: if (*jump_count) { @@ -3771,8 +3788,8 @@ alloc_branch_attr(struct mlx5e_tc_flow *flow, goto out_err; } *jump_count = cond->extval; - attr->action |= MLX5_FLOW_CONTEXT_ACTION_FWD_DEST; - attr->dest_ft = mlx5e_tc_post_act_get_ft(get_post_action(flow->priv)); + if (set_branch_dest_ft(flow->priv, attr)) + goto out_err; break; default: err = -EOPNOTSUPP; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c index 095f31f380fa..190f10aba170 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.c @@ -21,158 +21,6 @@ enum { MLX5_ESW_IPSEC_TX_ESP_FT_CNT_LEVEL, }; -static void esw_ipsec_rx_status_drop_destroy(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx) -{ - mlx5_del_flow_rules(rx->status_drop.rule); - mlx5_destroy_flow_group(rx->status_drop.group); - mlx5_fc_destroy(ipsec->mdev, rx->status_drop_cnt); -} - -static void esw_ipsec_rx_status_pass_destroy(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx) -{ - mlx5_del_flow_rules(rx->status.rule); - mlx5_chains_put_table(esw_chains(ipsec->mdev->priv.eswitch), 0, 1, 0); -} - -static int esw_ipsec_rx_status_drop_create(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx) -{ - int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); - struct mlx5_flow_table *ft = rx->ft.status; - struct mlx5_core_dev *mdev = ipsec->mdev; - struct mlx5_flow_destination dest = {}; - struct mlx5_flow_act flow_act = {}; - struct mlx5_flow_handle *rule; - struct mlx5_fc *flow_counter; - struct mlx5_flow_spec *spec; - struct mlx5_flow_group *g; - u32 *flow_group_in; - int err = 0; - - flow_group_in = kvzalloc(inlen, GFP_KERNEL); - spec = kvzalloc(sizeof(*spec), GFP_KERNEL); - if (!flow_group_in || !spec) { - err = -ENOMEM; - goto err_out; - } - - MLX5_SET(create_flow_group_in, flow_group_in, start_flow_index, ft->max_fte - 1); - MLX5_SET(create_flow_group_in, flow_group_in, end_flow_index, ft->max_fte - 1); - g = mlx5_create_flow_group(ft, flow_group_in); - if (IS_ERR(g)) { - err = PTR_ERR(g); - mlx5_core_err(mdev, - "Failed to add ipsec rx status drop flow group, err=%d\n", err); - goto err_out; - } - - flow_counter = mlx5_fc_create(mdev, false); - if (IS_ERR(flow_counter)) { - err = PTR_ERR(flow_counter); - mlx5_core_err(mdev, - "Failed to add ipsec rx status drop rule counter, err=%d\n", err); - goto err_cnt; - } - - flow_act.action = MLX5_FLOW_CONTEXT_ACTION_DROP | MLX5_FLOW_CONTEXT_ACTION_COUNT; - dest.type = MLX5_FLOW_DESTINATION_TYPE_COUNTER; - dest.counter_id = mlx5_fc_id(flow_counter); - spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; - rule = mlx5_add_flow_rules(ft, spec, &flow_act, &dest, 1); - if (IS_ERR(rule)) { - err = PTR_ERR(rule); - mlx5_core_err(mdev, - "Failed to add ipsec rx status drop rule, err=%d\n", err); - goto err_rule; - } - - rx->status_drop.group = g; - rx->status_drop.rule = rule; - rx->status_drop_cnt = flow_counter; - - kvfree(flow_group_in); - kvfree(spec); - return 0; - -err_rule: - mlx5_fc_destroy(mdev, flow_counter); -err_cnt: - mlx5_destroy_flow_group(g); -err_out: - kvfree(flow_group_in); - kvfree(spec); - return err; -} - -static int esw_ipsec_rx_status_pass_create(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx, - struct mlx5_flow_destination *dest) -{ - struct mlx5_flow_act flow_act = {}; - struct mlx5_flow_handle *rule; - struct mlx5_flow_spec *spec; - int err; - - spec = kvzalloc(sizeof(*spec), GFP_KERNEL); - if (!spec) - return -ENOMEM; - - MLX5_SET_TO_ONES(fte_match_param, spec->match_criteria, - misc_parameters_2.ipsec_syndrome); - MLX5_SET(fte_match_param, spec->match_value, - misc_parameters_2.ipsec_syndrome, 0); - spec->flow_context.flow_source = MLX5_FLOW_CONTEXT_FLOW_SOURCE_UPLINK; - spec->match_criteria_enable = MLX5_MATCH_MISC_PARAMETERS_2; - flow_act.flags = FLOW_ACT_NO_APPEND; - flow_act.action = MLX5_FLOW_CONTEXT_ACTION_FWD_DEST | - MLX5_FLOW_CONTEXT_ACTION_COUNT; - rule = mlx5_add_flow_rules(rx->ft.status, spec, &flow_act, dest, 2); - if (IS_ERR(rule)) { - err = PTR_ERR(rule); - mlx5_core_warn(ipsec->mdev, - "Failed to add ipsec rx status pass rule, err=%d\n", err); - goto err_rule; - } - - rx->status.rule = rule; - kvfree(spec); - return 0; - -err_rule: - kvfree(spec); - return err; -} - -void mlx5_esw_ipsec_rx_status_destroy(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx) -{ - esw_ipsec_rx_status_pass_destroy(ipsec, rx); - esw_ipsec_rx_status_drop_destroy(ipsec, rx); -} - -int mlx5_esw_ipsec_rx_status_create(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx, - struct mlx5_flow_destination *dest) -{ - int err; - - err = esw_ipsec_rx_status_drop_create(ipsec, rx); - if (err) - return err; - - err = esw_ipsec_rx_status_pass_create(ipsec, rx, dest); - if (err) - goto err_pass_create; - - return 0; - -err_pass_create: - esw_ipsec_rx_status_drop_destroy(ipsec, rx); - return err; -} - void mlx5_esw_ipsec_rx_create_attr_set(struct mlx5e_ipsec *ipsec, struct mlx5e_ipsec_rx_create_attr *attr) { @@ -202,7 +50,7 @@ int mlx5_esw_ipsec_rx_setup_modify_header(struct mlx5e_ipsec_sa_entry *sa_entry, u32 mapped_id; int err; - err = xa_alloc_bh(&ipsec->rx_esw->ipsec_obj_id_map, &mapped_id, + err = xa_alloc_bh(&ipsec->ipsec_obj_id_map, &mapped_id, xa_mk_value(sa_entry->ipsec_obj_id), XA_LIMIT(1, ESW_IPSEC_RX_MAPPED_ID_MASK), 0); if (err) @@ -233,7 +81,7 @@ int mlx5_esw_ipsec_rx_setup_modify_header(struct mlx5e_ipsec_sa_entry *sa_entry, return 0; err_header_alloc: - xa_erase_bh(&ipsec->rx_esw->ipsec_obj_id_map, mapped_id); + xa_erase_bh(&ipsec->ipsec_obj_id_map, mapped_id); return err; } @@ -242,7 +90,7 @@ void mlx5_esw_ipsec_rx_id_mapping_remove(struct mlx5e_ipsec_sa_entry *sa_entry) struct mlx5e_ipsec *ipsec = sa_entry->ipsec; if (sa_entry->rx_mapped_id) - xa_erase_bh(&ipsec->rx_esw->ipsec_obj_id_map, + xa_erase_bh(&ipsec->ipsec_obj_id_map, sa_entry->rx_mapped_id); } @@ -252,7 +100,7 @@ int mlx5_esw_ipsec_rx_ipsec_obj_id_search(struct mlx5e_priv *priv, u32 id, struct mlx5e_ipsec *ipsec = priv->ipsec; void *val; - val = xa_load(&ipsec->rx_esw->ipsec_obj_id_map, id); + val = xa_load(&ipsec->ipsec_obj_id_map, id); if (!val) return -ENOENT; @@ -304,7 +152,7 @@ void mlx5_esw_ipsec_restore_dest_uplink(struct mlx5_core_dev *mdev) xa_for_each(&esw->offloads.vport_reps, i, rep) { rpriv = rep->rep_data[REP_ETH].priv; - if (!rpriv || !rpriv->netdev) + if (!rpriv || !rpriv->netdev || !atomic_read(&rpriv->tc_ht.nelems)) continue; rhashtable_walk_enter(&rpriv->tc_ht, &iter); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.h b/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.h index 0c90f7a8b0d3..ac9c65b89166 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/ipsec_fs.h @@ -8,11 +8,6 @@ struct mlx5e_ipsec; struct mlx5e_ipsec_sa_entry; #ifdef CONFIG_MLX5_ESWITCH -void mlx5_esw_ipsec_rx_status_destroy(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx); -int mlx5_esw_ipsec_rx_status_create(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx, - struct mlx5_flow_destination *dest); void mlx5_esw_ipsec_rx_create_attr_set(struct mlx5e_ipsec *ipsec, struct mlx5e_ipsec_rx_create_attr *attr); int mlx5_esw_ipsec_rx_status_pass_dest_get(struct mlx5e_ipsec *ipsec, @@ -26,16 +21,6 @@ void mlx5_esw_ipsec_tx_create_attr_set(struct mlx5e_ipsec *ipsec, struct mlx5e_ipsec_tx_create_attr *attr); void mlx5_esw_ipsec_restore_dest_uplink(struct mlx5_core_dev *mdev); #else -static inline void mlx5_esw_ipsec_rx_status_destroy(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx) {} - -static inline int mlx5_esw_ipsec_rx_status_create(struct mlx5e_ipsec *ipsec, - struct mlx5e_ipsec_rx *rx, - struct mlx5_flow_destination *dest) -{ - return -EINVAL; -} - static inline void mlx5_esw_ipsec_rx_create_attr_set(struct mlx5e_ipsec *ipsec, struct mlx5e_ipsec_rx_create_attr *attr) {} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index 8d0b915a3121..3047d7015c52 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1463,7 +1463,7 @@ int mlx5_eswitch_enable_locked(struct mlx5_eswitch *esw, int num_vfs) { int err; - lockdep_assert_held(&esw->mode_lock); + devl_assert_locked(priv_to_devlink(esw->dev)); if (!MLX5_CAP_ESW_FLOWTABLE_FDB(esw->dev, ft_support)) { esw_warn(esw->dev, "FDB is not supported, aborting ...\n"); @@ -1531,7 +1531,6 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) if (toggle_lag) mlx5_lag_disable_change(esw->dev); - down_write(&esw->mode_lock); if (!mlx5_esw_is_fdb_created(esw)) { ret = mlx5_eswitch_enable_locked(esw, num_vfs); } else { @@ -1554,8 +1553,6 @@ int mlx5_eswitch_enable(struct mlx5_eswitch *esw, int num_vfs) } } - up_write(&esw->mode_lock); - if (toggle_lag) mlx5_lag_enable_change(esw->dev); @@ -1569,12 +1566,11 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf) return; devl_assert_locked(priv_to_devlink(esw->dev)); - down_write(&esw->mode_lock); /* If driver is unloaded, this function is called twice by remove_one() * and mlx5_unload(). Prevent the second call. */ if (!esw->esw_funcs.num_vfs && !esw->esw_funcs.num_ec_vfs && !clear_vf) - goto unlock; + return; esw_info(esw->dev, "Unload vfs: mode(%s), nvfs(%d), necvfs(%d), active vports(%d)\n", esw->mode == MLX5_ESWITCH_LEGACY ? "LEGACY" : "OFFLOADS", @@ -1603,9 +1599,6 @@ void mlx5_eswitch_disable_sriov(struct mlx5_eswitch *esw, bool clear_vf) esw->esw_funcs.num_vfs = 0; else esw->esw_funcs.num_ec_vfs = 0; - -unlock: - up_write(&esw->mode_lock); } /* Free resources for corresponding eswitch mode. It is called by devlink @@ -1647,10 +1640,8 @@ void mlx5_eswitch_disable(struct mlx5_eswitch *esw) devl_assert_locked(priv_to_devlink(esw->dev)); mlx5_lag_disable_change(esw->dev); - down_write(&esw->mode_lock); mlx5_eswitch_disable_locked(esw); esw->mode = MLX5_ESWITCH_LEGACY; - up_write(&esw->mode_lock); mlx5_lag_enable_change(esw->dev); } @@ -2254,8 +2245,13 @@ bool mlx5_esw_hold(struct mlx5_core_dev *mdev) if (!mlx5_esw_allowed(esw)) return true; - if (down_read_trylock(&esw->mode_lock) != 0) + if (down_read_trylock(&esw->mode_lock) != 0) { + if (esw->eswitch_operation_in_progress) { + up_read(&esw->mode_lock); + return false; + } return true; + } return false; } @@ -2312,7 +2308,8 @@ int mlx5_esw_try_lock(struct mlx5_eswitch *esw) if (down_write_trylock(&esw->mode_lock) == 0) return -EINVAL; - if (atomic64_read(&esw->user_count) > 0) { + if (esw->eswitch_operation_in_progress || + atomic64_read(&esw->user_count) > 0) { up_write(&esw->mode_lock); return -EBUSY; } @@ -2320,6 +2317,18 @@ int mlx5_esw_try_lock(struct mlx5_eswitch *esw) return esw->mode; } +int mlx5_esw_lock(struct mlx5_eswitch *esw) +{ + down_write(&esw->mode_lock); + + if (esw->eswitch_operation_in_progress) { + up_write(&esw->mode_lock); + return -EBUSY; + } + + return 0; +} + /** * mlx5_esw_unlock() - Release write lock on esw mode lock * @esw: eswitch device. diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 37ab66e7b403..b674b57d05aa 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -383,6 +383,7 @@ struct mlx5_eswitch { struct xarray paired; struct mlx5_devcom_comp_dev *devcom; u16 enabled_ipsec_vf_count; + bool eswitch_operation_in_progress; }; void esw_offloads_disable(struct mlx5_eswitch *esw); @@ -827,6 +828,7 @@ void mlx5_esw_release(struct mlx5_core_dev *dev); void mlx5_esw_get(struct mlx5_core_dev *dev); void mlx5_esw_put(struct mlx5_core_dev *dev); int mlx5_esw_try_lock(struct mlx5_eswitch *esw); +int mlx5_esw_lock(struct mlx5_eswitch *esw); void mlx5_esw_unlock(struct mlx5_eswitch *esw); void esw_vport_change_handle_locked(struct mlx5_vport *vport); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 88236e75fd90..bb8bcb448ae9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -3653,14 +3653,18 @@ static int esw_inline_mode_to_devlink(u8 mlx5_mode, u8 *mode) static bool esw_offloads_devlink_ns_eq_netdev_ns(struct devlink *devlink) { + struct mlx5_core_dev *dev = devlink_priv(devlink); struct net *devl_net, *netdev_net; - struct mlx5_eswitch *esw; - - esw = mlx5_devlink_eswitch_nocheck_get(devlink); - netdev_net = dev_net(esw->dev->mlx5e_res.uplink_netdev); - devl_net = devlink_net(devlink); + bool ret = false; - return net_eq(devl_net, netdev_net); + mutex_lock(&dev->mlx5e_res.uplink_netdev_lock); + if (dev->mlx5e_res.uplink_netdev) { + netdev_net = dev_net(dev->mlx5e_res.uplink_netdev); + devl_net = devlink_net(devlink); + ret = net_eq(devl_net, netdev_net); + } + mutex_unlock(&dev->mlx5e_res.uplink_netdev_lock); + return ret; } int mlx5_eswitch_block_mode(struct mlx5_core_dev *dev) @@ -3733,13 +3737,16 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, goto unlock; } + esw->eswitch_operation_in_progress = true; + up_write(&esw->mode_lock); + mlx5_eswitch_disable_locked(esw); if (mode == DEVLINK_ESWITCH_MODE_SWITCHDEV) { if (mlx5_devlink_trap_get_num_active(esw->dev)) { NL_SET_ERR_MSG_MOD(extack, "Can't change mode while devlink traps are active"); err = -EOPNOTSUPP; - goto unlock; + goto skip; } err = esw_offloads_start(esw, extack); } else if (mode == DEVLINK_ESWITCH_MODE_LEGACY) { @@ -3749,6 +3756,9 @@ int mlx5_devlink_eswitch_mode_set(struct devlink *devlink, u16 mode, err = -EINVAL; } +skip: + down_write(&esw->mode_lock); + esw->eswitch_operation_in_progress = false; unlock: mlx5_esw_unlock(esw); enable_lag: @@ -3759,16 +3769,12 @@ enable_lag: int mlx5_devlink_eswitch_mode_get(struct devlink *devlink, u16 *mode) { struct mlx5_eswitch *esw; - int err; esw = mlx5_devlink_eswitch_get(devlink); if (IS_ERR(esw)) return PTR_ERR(esw); - down_read(&esw->mode_lock); - err = esw_mode_to_devlink(esw->mode, mode); - up_read(&esw->mode_lock); - return err; + return esw_mode_to_devlink(esw->mode, mode); } static int mlx5_esw_vports_inline_set(struct mlx5_eswitch *esw, u8 mlx5_mode, @@ -3862,11 +3868,15 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode, if (err) goto out; + esw->eswitch_operation_in_progress = true; + up_write(&esw->mode_lock); + err = mlx5_esw_vports_inline_set(esw, mlx5_mode, extack); - if (err) - goto out; + if (!err) + esw->offloads.inline_mode = mlx5_mode; - esw->offloads.inline_mode = mlx5_mode; + down_write(&esw->mode_lock); + esw->eswitch_operation_in_progress = false; up_write(&esw->mode_lock); return 0; @@ -3878,16 +3888,12 @@ out: int mlx5_devlink_eswitch_inline_mode_get(struct devlink *devlink, u8 *mode) { struct mlx5_eswitch *esw; - int err; esw = mlx5_devlink_eswitch_get(devlink); if (IS_ERR(esw)) return PTR_ERR(esw); - down_read(&esw->mode_lock); - err = esw_inline_mode_to_devlink(esw->offloads.inline_mode, mode); - up_read(&esw->mode_lock); - return err; + return esw_inline_mode_to_devlink(esw->offloads.inline_mode, mode); } bool mlx5_eswitch_block_encap(struct mlx5_core_dev *dev) @@ -3969,6 +3975,9 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, goto unlock; } + esw->eswitch_operation_in_progress = true; + up_write(&esw->mode_lock); + esw_destroy_offloads_fdb_tables(esw); esw->offloads.encap = encap; @@ -3982,6 +3991,9 @@ int mlx5_devlink_eswitch_encap_mode_set(struct devlink *devlink, (void)esw_create_offloads_fdb_tables(esw); } + down_write(&esw->mode_lock); + esw->eswitch_operation_in_progress = false; + unlock: up_write(&esw->mode_lock); return err; @@ -3996,9 +4008,7 @@ int mlx5_devlink_eswitch_encap_mode_get(struct devlink *devlink, if (IS_ERR(esw)) return PTR_ERR(esw); - down_read(&esw->mode_lock); *encap = esw->offloads.encap; - up_read(&esw->mode_lock); return 0; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c index b568988e92e3..c4e19d627da2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fw_reset.c @@ -325,6 +325,29 @@ static void mlx5_fw_live_patch_event(struct work_struct *work) mlx5_core_err(dev, "Failed to reload FW tracer\n"); } +#if IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE) +static int mlx5_check_hotplug_interrupt(struct mlx5_core_dev *dev) +{ + struct pci_dev *bridge = dev->pdev->bus->self; + u16 reg16; + int err; + + if (!bridge) + return -EOPNOTSUPP; + + err = pcie_capability_read_word(bridge, PCI_EXP_SLTCTL, ®16); + if (err) + return err; + + if ((reg16 & PCI_EXP_SLTCTL_HPIE) && (reg16 & PCI_EXP_SLTCTL_DLLSCE)) { + mlx5_core_warn(dev, "FW reset is not supported as HotPlug is enabled\n"); + return -EOPNOTSUPP; + } + + return 0; +} +#endif + static int mlx5_check_dev_ids(struct mlx5_core_dev *dev, u16 dev_id) { struct pci_bus *bridge_bus = dev->pdev->bus; @@ -357,6 +380,12 @@ static bool mlx5_is_reset_now_capable(struct mlx5_core_dev *dev) return false; } +#if IS_ENABLED(CONFIG_HOTPLUG_PCI_PCIE) + err = mlx5_check_hotplug_interrupt(dev); + if (err) + return false; +#endif + err = pci_read_config_word(dev->pdev, PCI_DEVICE_ID, &dev_id); if (err) return false; diff --git a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c index 060a77f2265d..e522845c7c21 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c +++ b/drivers/net/ethernet/netronome/nfp/flower/tunnel_conf.c @@ -160,6 +160,18 @@ struct nfp_tun_mac_addr_offload { u8 addr[ETH_ALEN]; }; +/** + * struct nfp_neigh_update_work - update neighbour information to nfp + * @work: Work queue for writing neigh to the nfp + * @n: neighbour entry + * @app: Back pointer to app + */ +struct nfp_neigh_update_work { + struct work_struct work; + struct neighbour *n; + struct nfp_app *app; +}; + enum nfp_flower_mac_offload_cmd { NFP_TUNNEL_MAC_OFFLOAD_ADD = 0, NFP_TUNNEL_MAC_OFFLOAD_DEL = 1, @@ -607,38 +619,30 @@ err: nfp_flower_cmsg_warn(app, "Neighbour configuration failed.\n"); } -static int -nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event, - void *ptr) +static void +nfp_tun_release_neigh_update_work(struct nfp_neigh_update_work *update_work) { - struct nfp_flower_priv *app_priv; - struct netevent_redirect *redir; - struct neighbour *n; + neigh_release(update_work->n); + kfree(update_work); +} + +static void nfp_tun_neigh_update(struct work_struct *work) +{ + struct nfp_neigh_update_work *update_work; struct nfp_app *app; + struct neighbour *n; bool neigh_invalid; int err; - switch (event) { - case NETEVENT_REDIRECT: - redir = (struct netevent_redirect *)ptr; - n = redir->neigh; - break; - case NETEVENT_NEIGH_UPDATE: - n = (struct neighbour *)ptr; - break; - default: - return NOTIFY_DONE; - } - - neigh_invalid = !(n->nud_state & NUD_VALID) || n->dead; - - app_priv = container_of(nb, struct nfp_flower_priv, tun.neigh_nb); - app = app_priv->app; + update_work = container_of(work, struct nfp_neigh_update_work, work); + app = update_work->app; + n = update_work->n; if (!nfp_flower_get_port_id_from_netdev(app, n->dev)) - return NOTIFY_DONE; + goto out; #if IS_ENABLED(CONFIG_INET) + neigh_invalid = !(n->nud_state & NUD_VALID) || n->dead; if (n->tbl->family == AF_INET6) { #if IS_ENABLED(CONFIG_IPV6) struct flowi6 flow6 = {}; @@ -655,13 +659,11 @@ nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event, dst = ip6_dst_lookup_flow(dev_net(n->dev), NULL, &flow6, NULL); if (IS_ERR(dst)) - return NOTIFY_DONE; + goto out; dst_release(dst); } nfp_tun_write_neigh(n->dev, app, &flow6, n, true, false); -#else - return NOTIFY_DONE; #endif /* CONFIG_IPV6 */ } else { struct flowi4 flow4 = {}; @@ -678,17 +680,71 @@ nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event, rt = ip_route_output_key(dev_net(n->dev), &flow4); err = PTR_ERR_OR_ZERO(rt); if (err) - return NOTIFY_DONE; + goto out; ip_rt_put(rt); } nfp_tun_write_neigh(n->dev, app, &flow4, n, false, false); } -#else - return NOTIFY_DONE; #endif /* CONFIG_INET */ +out: + nfp_tun_release_neigh_update_work(update_work); +} - return NOTIFY_OK; +static struct nfp_neigh_update_work * +nfp_tun_alloc_neigh_update_work(struct nfp_app *app, struct neighbour *n) +{ + struct nfp_neigh_update_work *update_work; + + update_work = kzalloc(sizeof(*update_work), GFP_ATOMIC); + if (!update_work) + return NULL; + + INIT_WORK(&update_work->work, nfp_tun_neigh_update); + neigh_hold(n); + update_work->n = n; + update_work->app = app; + + return update_work; +} + +static int +nfp_tun_neigh_event_handler(struct notifier_block *nb, unsigned long event, + void *ptr) +{ + struct nfp_neigh_update_work *update_work; + struct nfp_flower_priv *app_priv; + struct netevent_redirect *redir; + struct neighbour *n; + struct nfp_app *app; + + switch (event) { + case NETEVENT_REDIRECT: + redir = (struct netevent_redirect *)ptr; + n = redir->neigh; + break; + case NETEVENT_NEIGH_UPDATE: + n = (struct neighbour *)ptr; + break; + default: + return NOTIFY_DONE; + } +#if IS_ENABLED(CONFIG_IPV6) + if (n->tbl != ipv6_stub->nd_tbl && n->tbl != &arp_tbl) +#else + if (n->tbl != &arp_tbl) +#endif + return NOTIFY_DONE; + + app_priv = container_of(nb, struct nfp_flower_priv, tun.neigh_nb); + app = app_priv->app; + update_work = nfp_tun_alloc_neigh_update_work(app, n); + if (!update_work) + return NOTIFY_DONE; + + queue_work(system_highpri_wq, &update_work->work); + + return NOTIFY_DONE; } void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb) @@ -706,6 +762,7 @@ void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb) netdev = nfp_app_dev_get(app, be32_to_cpu(payload->ingress_port), NULL); if (!netdev) goto fail_rcu_unlock; + dev_hold(netdev); flow.daddr = payload->ipv4_addr; flow.flowi4_proto = IPPROTO_UDP; @@ -725,13 +782,16 @@ void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb) ip_rt_put(rt); if (!n) goto fail_rcu_unlock; + rcu_read_unlock(); + nfp_tun_write_neigh(n->dev, app, &flow, n, false, true); neigh_release(n); - rcu_read_unlock(); + dev_put(netdev); return; fail_rcu_unlock: rcu_read_unlock(); + dev_put(netdev); nfp_flower_cmsg_warn(app, "Requested route not found.\n"); } @@ -749,6 +809,7 @@ void nfp_tunnel_request_route_v6(struct nfp_app *app, struct sk_buff *skb) netdev = nfp_app_dev_get(app, be32_to_cpu(payload->ingress_port), NULL); if (!netdev) goto fail_rcu_unlock; + dev_hold(netdev); flow.daddr = payload->ipv6_addr; flow.flowi6_proto = IPPROTO_UDP; @@ -766,14 +827,16 @@ void nfp_tunnel_request_route_v6(struct nfp_app *app, struct sk_buff *skb) dst_release(dst); if (!n) goto fail_rcu_unlock; + rcu_read_unlock(); nfp_tun_write_neigh(n->dev, app, &flow, n, true, true); neigh_release(n); - rcu_read_unlock(); + dev_put(netdev); return; fail_rcu_unlock: rcu_read_unlock(); + dev_put(netdev); nfp_flower_cmsg_warn(app, "Requested IPv6 route not found.\n"); } diff --git a/drivers/net/ethernet/pensando/ionic/ionic_dev.h b/drivers/net/ethernet/pensando/ionic/ionic_dev.h index 1dbc3cb50b1d..9b5463040075 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_dev.h +++ b/drivers/net/ethernet/pensando/ionic/ionic_dev.h @@ -223,7 +223,7 @@ struct ionic_desc_info { void *cb_arg; }; -#define IONIC_QUEUE_NAME_MAX_SZ 32 +#define IONIC_QUEUE_NAME_MAX_SZ 16 struct ionic_queue { struct device *dev; diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c index edc14730ce88..bad919343180 100644 --- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c +++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c @@ -49,24 +49,24 @@ static void ionic_lif_queue_identify(struct ionic_lif *lif); static void ionic_dim_work(struct work_struct *work) { struct dim *dim = container_of(work, struct dim, work); + struct ionic_intr_info *intr; struct dim_cq_moder cur_moder; struct ionic_qcq *qcq; + struct ionic_lif *lif; u32 new_coal; cur_moder = net_dim_get_rx_moderation(dim->mode, dim->profile_ix); qcq = container_of(dim, struct ionic_qcq, dim); - new_coal = ionic_coal_usec_to_hw(qcq->q.lif->ionic, cur_moder.usec); + lif = qcq->q.lif; + new_coal = ionic_coal_usec_to_hw(lif->ionic, cur_moder.usec); new_coal = new_coal ? new_coal : 1; - if (qcq->intr.dim_coal_hw != new_coal) { - unsigned int qi = qcq->cq.bound_q->index; - struct ionic_lif *lif = qcq->q.lif; - - qcq->intr.dim_coal_hw = new_coal; + intr = &qcq->intr; + if (intr->dim_coal_hw != new_coal) { + intr->dim_coal_hw = new_coal; ionic_intr_coal_init(lif->ionic->idev.intr_ctrl, - lif->rxqcqs[qi]->intr.index, - qcq->intr.dim_coal_hw); + intr->index, intr->dim_coal_hw); } dim->state = DIM_START_MEASURE; diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index 65e20693c549..33f4f58ee51c 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -933,6 +933,7 @@ static void qed_ilt_shadow_free(struct qed_hwfn *p_hwfn) p_dma->virt_addr = NULL; } kfree(p_mngr->ilt_shadow); + p_mngr->ilt_shadow = NULL; } static int qed_ilt_blk_alloc(struct qed_hwfn *p_hwfn, diff --git a/drivers/net/ethernet/qualcomm/qca_debug.c b/drivers/net/ethernet/qualcomm/qca_debug.c index 6f2fa2a42770..1822f2ad8f0d 100644 --- a/drivers/net/ethernet/qualcomm/qca_debug.c +++ b/drivers/net/ethernet/qualcomm/qca_debug.c @@ -30,6 +30,8 @@ #define QCASPI_MAX_REGS 0x20 +#define QCASPI_RX_MAX_FRAMES 4 + static const u16 qcaspi_spi_regs[] = { SPI_REG_BFR_SIZE, SPI_REG_WRBUF_SPC_AVA, @@ -252,9 +254,9 @@ qcaspi_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring, { struct qcaspi *qca = netdev_priv(dev); - ring->rx_max_pending = 4; + ring->rx_max_pending = QCASPI_RX_MAX_FRAMES; ring->tx_max_pending = TX_RING_MAX_LEN; - ring->rx_pending = 4; + ring->rx_pending = QCASPI_RX_MAX_FRAMES; ring->tx_pending = qca->txr.count; } @@ -263,22 +265,21 @@ qcaspi_set_ringparam(struct net_device *dev, struct ethtool_ringparam *ring, struct kernel_ethtool_ringparam *kernel_ring, struct netlink_ext_ack *extack) { - const struct net_device_ops *ops = dev->netdev_ops; struct qcaspi *qca = netdev_priv(dev); - if ((ring->rx_pending) || + if (ring->rx_pending != QCASPI_RX_MAX_FRAMES || (ring->rx_mini_pending) || (ring->rx_jumbo_pending)) return -EINVAL; - if (netif_running(dev)) - ops->ndo_stop(dev); + if (qca->spi_thread) + kthread_park(qca->spi_thread); qca->txr.count = max_t(u32, ring->tx_pending, TX_RING_MIN_LEN); qca->txr.count = min_t(u16, qca->txr.count, TX_RING_MAX_LEN); - if (netif_running(dev)) - ops->ndo_open(dev); + if (qca->spi_thread) + kthread_unpark(qca->spi_thread); return 0; } diff --git a/drivers/net/ethernet/qualcomm/qca_spi.c b/drivers/net/ethernet/qualcomm/qca_spi.c index bec723028e96..5f3c11fb3fa2 100644 --- a/drivers/net/ethernet/qualcomm/qca_spi.c +++ b/drivers/net/ethernet/qualcomm/qca_spi.c @@ -580,6 +580,18 @@ qcaspi_spi_thread(void *data) netdev_info(qca->net_dev, "SPI thread created\n"); while (!kthread_should_stop()) { set_current_state(TASK_INTERRUPTIBLE); + if (kthread_should_park()) { + netif_tx_disable(qca->net_dev); + netif_carrier_off(qca->net_dev); + qcaspi_flush_tx_ring(qca); + kthread_parkme(); + if (qca->sync == QCASPI_SYNC_READY) { + netif_carrier_on(qca->net_dev); + netif_wake_queue(qca->net_dev); + } + continue; + } + if ((qca->intr_req == qca->intr_svc) && !qca->txr.skb[qca->txr.head]) schedule(); @@ -608,11 +620,17 @@ qcaspi_spi_thread(void *data) if (intr_cause & SPI_INT_CPU_ON) { qcaspi_qca7k_sync(qca, QCASPI_EVENT_CPUON); + /* Frame decoding in progress */ + if (qca->frm_handle.state != qca->frm_handle.init) + qca->net_dev->stats.rx_dropped++; + + qcafrm_fsm_init_spi(&qca->frm_handle); + qca->stats.device_reset++; + /* not synced. */ if (qca->sync != QCASPI_SYNC_READY) continue; - qca->stats.device_reset++; netif_wake_queue(qca->net_dev); netif_carrier_on(qca->net_dev); } diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 62cabeeb842a..bb787a52bc75 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -196,6 +196,7 @@ enum rtl_registers { /* No threshold before first PCI xfer */ #define RX_FIFO_THRESH (7 << RXCFG_FIFO_SHIFT) #define RX_EARLY_OFF (1 << 11) +#define RX_PAUSE_SLOT_ON (1 << 11) /* 8125b and later */ #define RXCFG_DMA_SHIFT 8 /* Unlimited maximum PCI burst. */ #define RX_DMA_BURST (7 << RXCFG_DMA_SHIFT) @@ -2306,9 +2307,13 @@ static void rtl_init_rxcfg(struct rtl8169_private *tp) case RTL_GIGA_MAC_VER_40 ... RTL_GIGA_MAC_VER_53: RTL_W32(tp, RxConfig, RX128_INT_EN | RX_MULTI_EN | RX_DMA_BURST | RX_EARLY_OFF); break; - case RTL_GIGA_MAC_VER_61 ... RTL_GIGA_MAC_VER_63: + case RTL_GIGA_MAC_VER_61: RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST); break; + case RTL_GIGA_MAC_VER_63: + RTL_W32(tp, RxConfig, RX_FETCH_DFLT_8125 | RX_DMA_BURST | + RX_PAUSE_SLOT_ON); + break; default: RTL_W32(tp, RxConfig, RX128_INT_EN | RX_DMA_BURST); break; diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c index 2cd6fce5c993..9e40c28d453a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c @@ -59,26 +59,19 @@ static int loongson_dwmac_probe(struct pci_dev *pdev, const struct pci_device_id return -ENODEV; } - if (!of_device_is_compatible(np, "loongson, pci-gmac")) { - pr_info("dwmac_loongson_pci: Incompatible OF node\n"); - return -ENODEV; - } - plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); if (!plat) return -ENOMEM; + plat->mdio_bus_data = devm_kzalloc(&pdev->dev, + sizeof(*plat->mdio_bus_data), + GFP_KERNEL); + if (!plat->mdio_bus_data) + return -ENOMEM; + plat->mdio_node = of_get_child_by_name(np, "mdio"); if (plat->mdio_node) { dev_info(&pdev->dev, "Found MDIO subnode\n"); - - plat->mdio_bus_data = devm_kzalloc(&pdev->dev, - sizeof(*plat->mdio_bus_data), - GFP_KERNEL); - if (!plat->mdio_bus_data) { - ret = -ENOMEM; - goto err_put_node; - } plat->mdio_bus_data->needs_reset = true; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c index d3bf42d0fceb..31631e3f89d0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c @@ -34,6 +34,7 @@ #define RGMII_CONFIG_LOOPBACK_EN BIT(2) #define RGMII_CONFIG_PROG_SWAP BIT(1) #define RGMII_CONFIG_DDR_MODE BIT(0) +#define RGMII_CONFIG_SGMII_CLK_DVDR GENMASK(18, 10) /* SDCC_HC_REG_DLL_CONFIG fields */ #define SDCC_DLL_CONFIG_DLL_RST BIT(30) @@ -78,6 +79,8 @@ #define ETHQOS_MAC_CTRL_SPEED_MODE BIT(14) #define ETHQOS_MAC_CTRL_PORT_SEL BIT(15) +#define SGMII_10M_RX_CLK_DVDR 0x31 + struct ethqos_emac_por { unsigned int offset; unsigned int value; @@ -598,6 +601,9 @@ static int ethqos_configure_rgmii(struct qcom_ethqos *ethqos) return 0; } +/* On interface toggle MAC registers gets reset. + * Configure MAC block for SGMII on ethernet phy link up + */ static int ethqos_configure_sgmii(struct qcom_ethqos *ethqos) { int val; @@ -617,6 +623,10 @@ static int ethqos_configure_sgmii(struct qcom_ethqos *ethqos) case SPEED_10: val |= ETHQOS_MAC_CTRL_PORT_SEL; val &= ~ETHQOS_MAC_CTRL_SPEED_MODE; + rgmii_updatel(ethqos, RGMII_CONFIG_SGMII_CLK_DVDR, + FIELD_PREP(RGMII_CONFIG_SGMII_CLK_DVDR, + SGMII_10M_RX_CLK_DVDR), + RGMII_IO_MACRO_CONFIG); break; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c index e95d35f1e5a0..8fd167501fa0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c @@ -710,28 +710,22 @@ void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, } } -void dwmac5_fpe_configure(void __iomem *ioaddr, u32 num_txq, u32 num_rxq, +void dwmac5_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg, + u32 num_txq, u32 num_rxq, bool enable) { u32 value; - if (!enable) { - value = readl(ioaddr + MAC_FPE_CTRL_STS); - - value &= ~EFPE; - - writel(value, ioaddr + MAC_FPE_CTRL_STS); - return; + if (enable) { + cfg->fpe_csr = EFPE; + value = readl(ioaddr + GMAC_RXQ_CTRL1); + value &= ~GMAC_RXQCTRL_FPRQ; + value |= (num_rxq - 1) << GMAC_RXQCTRL_FPRQ_SHIFT; + writel(value, ioaddr + GMAC_RXQ_CTRL1); + } else { + cfg->fpe_csr = 0; } - - value = readl(ioaddr + GMAC_RXQ_CTRL1); - value &= ~GMAC_RXQCTRL_FPRQ; - value |= (num_rxq - 1) << GMAC_RXQCTRL_FPRQ_SHIFT; - writel(value, ioaddr + GMAC_RXQ_CTRL1); - - value = readl(ioaddr + MAC_FPE_CTRL_STS); - value |= EFPE; - writel(value, ioaddr + MAC_FPE_CTRL_STS); + writel(cfg->fpe_csr, ioaddr + MAC_FPE_CTRL_STS); } int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev) @@ -741,6 +735,9 @@ int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev) status = FPE_EVENT_UNKNOWN; + /* Reads from the MAC_FPE_CTRL_STS register should only be performed + * here, since the status flags of MAC_FPE_CTRL_STS are "clear on read" + */ value = readl(ioaddr + MAC_FPE_CTRL_STS); if (value & TRSP) { @@ -766,19 +763,15 @@ int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev) return status; } -void dwmac5_fpe_send_mpacket(void __iomem *ioaddr, enum stmmac_mpacket_type type) +void dwmac5_fpe_send_mpacket(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg, + enum stmmac_mpacket_type type) { - u32 value; + u32 value = cfg->fpe_csr; - value = readl(ioaddr + MAC_FPE_CTRL_STS); - - if (type == MPACKET_VERIFY) { - value &= ~SRSP; + if (type == MPACKET_VERIFY) value |= SVER; - } else { - value &= ~SVER; + else if (type == MPACKET_RESPONSE) value |= SRSP; - } writel(value, ioaddr + MAC_FPE_CTRL_STS); } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h index 53c138d0ff48..34e620790eb3 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.h @@ -153,9 +153,11 @@ int dwmac5_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg, unsigned int ptp_rate); void dwmac5_est_irq_status(void __iomem *ioaddr, struct net_device *dev, struct stmmac_extra_stats *x, u32 txqcnt); -void dwmac5_fpe_configure(void __iomem *ioaddr, u32 num_txq, u32 num_rxq, +void dwmac5_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg, + u32 num_txq, u32 num_rxq, bool enable); void dwmac5_fpe_send_mpacket(void __iomem *ioaddr, + struct stmmac_fpe_cfg *cfg, enum stmmac_mpacket_type type); int dwmac5_fpe_irq_status(void __iomem *ioaddr, struct net_device *dev); diff --git a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c index 453e88b75be0..a74e71db79f9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c @@ -1484,7 +1484,8 @@ static int dwxgmac3_est_configure(void __iomem *ioaddr, struct stmmac_est *cfg, return 0; } -static void dwxgmac3_fpe_configure(void __iomem *ioaddr, u32 num_txq, +static void dwxgmac3_fpe_configure(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg, + u32 num_txq, u32 num_rxq, bool enable) { u32 value; diff --git a/drivers/net/ethernet/stmicro/stmmac/hwif.h b/drivers/net/ethernet/stmicro/stmmac/hwif.h index b95d3e137813..68aa2d5ca6e5 100644 --- a/drivers/net/ethernet/stmicro/stmmac/hwif.h +++ b/drivers/net/ethernet/stmicro/stmmac/hwif.h @@ -412,9 +412,11 @@ struct stmmac_ops { unsigned int ptp_rate); void (*est_irq_status)(void __iomem *ioaddr, struct net_device *dev, struct stmmac_extra_stats *x, u32 txqcnt); - void (*fpe_configure)(void __iomem *ioaddr, u32 num_txq, u32 num_rxq, + void (*fpe_configure)(void __iomem *ioaddr, struct stmmac_fpe_cfg *cfg, + u32 num_txq, u32 num_rxq, bool enable); void (*fpe_send_mpacket)(void __iomem *ioaddr, + struct stmmac_fpe_cfg *cfg, enum stmmac_mpacket_type type); int (*fpe_irq_status)(void __iomem *ioaddr, struct net_device *dev); }; diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 2afb2bd25977..37e64283f910 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -964,7 +964,8 @@ static void stmmac_fpe_link_state_handle(struct stmmac_priv *priv, bool is_up) bool *hs_enable = &fpe_cfg->hs_enable; if (is_up && *hs_enable) { - stmmac_fpe_send_mpacket(priv, priv->ioaddr, MPACKET_VERIFY); + stmmac_fpe_send_mpacket(priv, priv->ioaddr, fpe_cfg, + MPACKET_VERIFY); } else { *lo_state = FPE_STATE_OFF; *lp_state = FPE_STATE_OFF; @@ -5839,6 +5840,7 @@ static void stmmac_fpe_event_status(struct stmmac_priv *priv, int status) /* If user has requested FPE enable, quickly response */ if (*hs_enable) stmmac_fpe_send_mpacket(priv, priv->ioaddr, + fpe_cfg, MPACKET_RESPONSE); } @@ -7263,6 +7265,7 @@ static void stmmac_fpe_lp_task(struct work_struct *work) if (*lo_state == FPE_STATE_ENTERING_ON && *lp_state == FPE_STATE_ENTERING_ON) { stmmac_fpe_configure(priv, priv->ioaddr, + fpe_cfg, priv->plat->tx_queues_to_use, priv->plat->rx_queues_to_use, *enable); @@ -7281,6 +7284,7 @@ static void stmmac_fpe_lp_task(struct work_struct *work) netdev_info(priv->dev, SEND_VERIFY_MPAKCET_FMT, *lo_state, *lp_state); stmmac_fpe_send_mpacket(priv, priv->ioaddr, + fpe_cfg, MPACKET_VERIFY); } /* Sleep then retry */ @@ -7295,6 +7299,7 @@ void stmmac_fpe_handshake(struct stmmac_priv *priv, bool enable) if (priv->plat->fpe_cfg->hs_enable != enable) { if (enable) { stmmac_fpe_send_mpacket(priv, priv->ioaddr, + priv->plat->fpe_cfg, MPACKET_VERIFY); } else { priv->plat->fpe_cfg->lo_fpe_state = FPE_STATE_OFF; @@ -7755,6 +7760,7 @@ int stmmac_suspend(struct device *dev) if (priv->dma_cap.fpesel) { /* Disable FPE */ stmmac_fpe_configure(priv, priv->ioaddr, + priv->plat->fpe_cfg, priv->plat->tx_queues_to_use, priv->plat->rx_queues_to_use, false); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index fa9e7e7040b9..0542cfd1817e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -591,7 +591,11 @@ int stmmac_mdio_register(struct net_device *ndev) new_bus->parent = priv->device; err = of_mdiobus_register(new_bus, mdio_node); - if (err != 0) { + if (err == -ENODEV) { + err = 0; + dev_info(dev, "MDIO bus is disabled\n"); + goto bus_register_fail; + } else if (err) { dev_err_probe(dev, err, "Cannot register the MDIO bus\n"); goto bus_register_fail; } diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c index ac41ef4cbd2f..6ad3e0a11936 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_tc.c @@ -1079,6 +1079,7 @@ disable: priv->plat->fpe_cfg->enable = false; stmmac_fpe_configure(priv, priv->ioaddr, + priv->plat->fpe_cfg, priv->plat->tx_queues_to_use, priv->plat->rx_queues_to_use, false); diff --git a/drivers/net/hyperv/Kconfig b/drivers/net/hyperv/Kconfig index ca7bf7f897d3..c8cbd85adcf9 100644 --- a/drivers/net/hyperv/Kconfig +++ b/drivers/net/hyperv/Kconfig @@ -3,5 +3,6 @@ config HYPERV_NET tristate "Microsoft Hyper-V virtual network driver" depends on HYPERV select UCS2_STRING + select NLS help Select this option to enable the Hyper-V virtual network driver. diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 508d9a392ab1..f575f225d417 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -281,8 +281,10 @@ static int __team_options_register(struct team *team, return 0; inst_rollback: - for (i--; i >= 0; i--) + for (i--; i >= 0; i--) { __team_option_inst_del_option(team, dst_opts[i]); + list_del(&dst_opts[i]->list); + } i = option_count; alloc_rollback: diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 2c5c1e91ded6..9bf2140fd0a1 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -3000,6 +3000,8 @@ static void rtl8152_nic_reset(struct r8152 *tp) ocp_write_byte(tp, MCU_TYPE_PLA, PLA_CR, CR_RST); for (i = 0; i < 1000; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + break; if (!(ocp_read_byte(tp, MCU_TYPE_PLA, PLA_CR) & CR_RST)) break; usleep_range(100, 400); @@ -3329,6 +3331,8 @@ static void rtl_disable(struct r8152 *tp) rxdy_gated_en(tp, true); for (i = 0; i < 1000; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + break; ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if ((ocp_data & FIFO_EMPTY) == FIFO_EMPTY) break; @@ -3336,6 +3340,8 @@ static void rtl_disable(struct r8152 *tp) } for (i = 0; i < 1000; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + break; if (ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0) & TCR0_TX_EMPTY) break; usleep_range(1000, 2000); @@ -5499,6 +5505,8 @@ static void wait_oob_link_list_ready(struct r8152 *tp) int i; for (i = 0; i < 1000; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + break; ocp_data = ocp_read_byte(tp, MCU_TYPE_PLA, PLA_OOB_CTRL); if (ocp_data & LINK_LIST_READY) break; @@ -5513,6 +5521,8 @@ static void r8156b_wait_loading_flash(struct r8152 *tp) int i; for (i = 0; i < 100; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + break; if (ocp_read_word(tp, MCU_TYPE_USB, USB_GPHY_CTRL) & GPHY_PATCH_DONE) break; usleep_range(1000, 2000); @@ -5635,6 +5645,8 @@ static int r8153_pre_firmware_1(struct r8152 *tp) for (i = 0; i < 104; i++) { u32 ocp_data = ocp_read_byte(tp, MCU_TYPE_USB, USB_WDT1_CTRL); + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return -ENODEV; if (!(ocp_data & WTD1_EN)) break; usleep_range(1000, 2000); @@ -5791,6 +5803,8 @@ static void r8153_aldps_en(struct r8152 *tp, bool enable) data &= ~EN_ALDPS; ocp_reg_write(tp, OCP_POWER_CFG, data); for (i = 0; i < 20; i++) { + if (test_bit(RTL8152_INACCESSIBLE, &tp->flags)) + return; usleep_range(1000, 2000); if (ocp_read_word(tp, MCU_TYPE_PLA, 0xe000) & 0x0100) break; @@ -8397,6 +8411,8 @@ static int rtl8152_pre_reset(struct usb_interface *intf) struct r8152 *tp = usb_get_intfdata(intf); struct net_device *netdev; + rtnl_lock(); + if (!tp || !test_bit(PROBED_WITH_NO_ERRORS, &tp->flags)) return 0; @@ -8428,20 +8444,17 @@ static int rtl8152_post_reset(struct usb_interface *intf) struct sockaddr sa; if (!tp || !test_bit(PROBED_WITH_NO_ERRORS, &tp->flags)) - return 0; + goto exit; rtl_set_accessible(tp); /* reset the MAC address in case of policy change */ - if (determine_ethernet_addr(tp, &sa) >= 0) { - rtnl_lock(); + if (determine_ethernet_addr(tp, &sa) >= 0) dev_set_mac_address (tp->netdev, &sa, NULL); - rtnl_unlock(); - } netdev = tp->netdev; if (!netif_running(netdev)) - return 0; + goto exit; set_bit(WORK_ENABLE, &tp->flags); if (netif_carrier_ok(netdev)) { @@ -8460,6 +8473,8 @@ static int rtl8152_post_reset(struct usb_interface *intf) if (!list_empty(&tp->rx_done)) napi_schedule(&tp->napi); +exit: + rtnl_unlock(); return 0; } @@ -10034,6 +10049,7 @@ static const struct usb_device_id rtl8152_table[] = { { USB_DEVICE(VENDOR_ID_NVIDIA, 0x09ff) }, { USB_DEVICE(VENDOR_ID_TPLINK, 0x0601) }, { USB_DEVICE(VENDOR_ID_DLINK, 0xb301) }, + { USB_DEVICE(VENDOR_ID_ASUS, 0x1976) }, {} }; diff --git a/drivers/net/veth.c b/drivers/net/veth.c index 57efb3454c57..977861c46b1f 100644 --- a/drivers/net/veth.c +++ b/drivers/net/veth.c @@ -790,7 +790,8 @@ static int veth_convert_skb_to_xdp_buff(struct veth_rq *rq, skb_add_rx_frag(nskb, i, page, page_offset, size, truesize); - if (skb_copy_bits(skb, off, page_address(page), + if (skb_copy_bits(skb, off, + page_address(page) + page_offset, size)) { consume_skb(nskb); goto drop; diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig index 8fe2dd619e80..b309c8be720f 100644 --- a/drivers/nvme/host/Kconfig +++ b/drivers/nvme/host/Kconfig @@ -107,11 +107,12 @@ config NVME_TCP_TLS If unsure, say N. config NVME_HOST_AUTH - bool "NVM Express over Fabrics In-Band Authentication" + bool "NVMe over Fabrics In-Band Authentication in host side" depends on NVME_CORE select NVME_AUTH help - This provides support for NVMe over Fabrics In-Band Authentication. + This provides support for NVMe over Fabrics In-Band Authentication in + host side. If unsure, say N. diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 1be1ce522896..8ebdfd623e0f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -131,7 +131,7 @@ void nvme_queue_scan(struct nvme_ctrl *ctrl) /* * Only new queue scan work when admin and IO queues are both alive */ - if (ctrl->state == NVME_CTRL_LIVE && ctrl->tagset) + if (nvme_ctrl_state(ctrl) == NVME_CTRL_LIVE && ctrl->tagset) queue_work(nvme_wq, &ctrl->scan_work); } @@ -143,7 +143,7 @@ void nvme_queue_scan(struct nvme_ctrl *ctrl) */ int nvme_try_sched_reset(struct nvme_ctrl *ctrl) { - if (ctrl->state != NVME_CTRL_RESETTING) + if (nvme_ctrl_state(ctrl) != NVME_CTRL_RESETTING) return -EBUSY; if (!queue_work(nvme_reset_wq, &ctrl->reset_work)) return -EBUSY; @@ -156,7 +156,7 @@ static void nvme_failfast_work(struct work_struct *work) struct nvme_ctrl *ctrl = container_of(to_delayed_work(work), struct nvme_ctrl, failfast_work); - if (ctrl->state != NVME_CTRL_CONNECTING) + if (nvme_ctrl_state(ctrl) != NVME_CTRL_CONNECTING) return; set_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); @@ -200,7 +200,7 @@ int nvme_reset_ctrl_sync(struct nvme_ctrl *ctrl) ret = nvme_reset_ctrl(ctrl); if (!ret) { flush_work(&ctrl->reset_work); - if (ctrl->state != NVME_CTRL_LIVE) + if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE) ret = -ENETRESET; } @@ -499,7 +499,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, spin_lock_irqsave(&ctrl->lock, flags); - old_state = ctrl->state; + old_state = nvme_ctrl_state(ctrl); switch (new_state) { case NVME_CTRL_LIVE: switch (old_state) { @@ -567,7 +567,7 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, } if (changed) { - ctrl->state = new_state; + WRITE_ONCE(ctrl->state, new_state); wake_up_all(&ctrl->state_wq); } @@ -575,11 +575,11 @@ bool nvme_change_ctrl_state(struct nvme_ctrl *ctrl, if (!changed) return false; - if (ctrl->state == NVME_CTRL_LIVE) { + if (new_state == NVME_CTRL_LIVE) { if (old_state == NVME_CTRL_CONNECTING) nvme_stop_failfast_work(ctrl); nvme_kick_requeue_lists(ctrl); - } else if (ctrl->state == NVME_CTRL_CONNECTING && + } else if (new_state == NVME_CTRL_CONNECTING && old_state == NVME_CTRL_RESETTING) { nvme_start_failfast_work(ctrl); } @@ -592,7 +592,7 @@ EXPORT_SYMBOL_GPL(nvme_change_ctrl_state); */ static bool nvme_state_terminal(struct nvme_ctrl *ctrl) { - switch (ctrl->state) { + switch (nvme_ctrl_state(ctrl)) { case NVME_CTRL_NEW: case NVME_CTRL_LIVE: case NVME_CTRL_RESETTING: @@ -617,7 +617,7 @@ bool nvme_wait_reset(struct nvme_ctrl *ctrl) wait_event(ctrl->state_wq, nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING) || nvme_state_terminal(ctrl)); - return ctrl->state == NVME_CTRL_RESETTING; + return nvme_ctrl_state(ctrl) == NVME_CTRL_RESETTING; } EXPORT_SYMBOL_GPL(nvme_wait_reset); @@ -704,9 +704,11 @@ EXPORT_SYMBOL_GPL(nvme_init_request); blk_status_t nvme_fail_nonready_command(struct nvme_ctrl *ctrl, struct request *rq) { - if (ctrl->state != NVME_CTRL_DELETING_NOIO && - ctrl->state != NVME_CTRL_DELETING && - ctrl->state != NVME_CTRL_DEAD && + enum nvme_ctrl_state state = nvme_ctrl_state(ctrl); + + if (state != NVME_CTRL_DELETING_NOIO && + state != NVME_CTRL_DELETING && + state != NVME_CTRL_DEAD && !test_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags) && !blk_noretry_request(rq) && !(rq->cmd_flags & REQ_NVME_MPATH)) return BLK_STS_RESOURCE; @@ -736,7 +738,7 @@ bool __nvme_check_ready(struct nvme_ctrl *ctrl, struct request *rq, * command, which is require to set the queue live in the * appropinquate states. */ - switch (ctrl->state) { + switch (nvme_ctrl_state(ctrl)) { case NVME_CTRL_CONNECTING: if (blk_rq_is_passthrough(rq) && nvme_is_fabrics(req->cmd) && (req->cmd->fabrics.fctype == nvme_fabrics_type_connect || @@ -2550,7 +2552,7 @@ static void nvme_set_latency_tolerance(struct device *dev, s32 val) if (ctrl->ps_max_latency_us != latency) { ctrl->ps_max_latency_us = latency; - if (ctrl->state == NVME_CTRL_LIVE) + if (nvme_ctrl_state(ctrl) == NVME_CTRL_LIVE) nvme_configure_apst(ctrl); } } @@ -3238,7 +3240,7 @@ static int nvme_dev_open(struct inode *inode, struct file *file) struct nvme_ctrl *ctrl = container_of(inode->i_cdev, struct nvme_ctrl, cdev); - switch (ctrl->state) { + switch (nvme_ctrl_state(ctrl)) { case NVME_CTRL_LIVE: break; default: @@ -3660,6 +3662,14 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, struct nvme_ns_info *info) goto out_unlink_ns; down_write(&ctrl->namespaces_rwsem); + /* + * Ensure that no namespaces are added to the ctrl list after the queues + * are frozen, thereby avoiding a deadlock between scan and reset. + */ + if (test_bit(NVME_CTRL_FROZEN, &ctrl->flags)) { + up_write(&ctrl->namespaces_rwsem); + goto out_unlink_ns; + } nvme_ns_add_to_ctrl_list(ns); up_write(&ctrl->namespaces_rwsem); nvme_get_ctrl(ctrl); @@ -3924,7 +3934,7 @@ static void nvme_scan_work(struct work_struct *work) int ret; /* No tagset on a live ctrl means IO queues could not created */ - if (ctrl->state != NVME_CTRL_LIVE || !ctrl->tagset) + if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE || !ctrl->tagset) return; /* @@ -3994,7 +4004,7 @@ void nvme_remove_namespaces(struct nvme_ctrl *ctrl) * removing the namespaces' disks; fail all the queues now to avoid * potentially having to clean up the failed sync later. */ - if (ctrl->state == NVME_CTRL_DEAD) + if (nvme_ctrl_state(ctrl) == NVME_CTRL_DEAD) nvme_mark_namespaces_dead(ctrl); /* this is a no-op when called from the controller reset handler */ @@ -4076,7 +4086,7 @@ static void nvme_async_event_work(struct work_struct *work) * flushing ctrl async_event_work after changing the controller state * from LIVE and before freeing the admin queue. */ - if (ctrl->state == NVME_CTRL_LIVE) + if (nvme_ctrl_state(ctrl) == NVME_CTRL_LIVE) ctrl->ops->submit_async_event(ctrl); } @@ -4471,7 +4481,7 @@ int nvme_init_ctrl(struct nvme_ctrl *ctrl, struct device *dev, { int ret; - ctrl->state = NVME_CTRL_NEW; + WRITE_ONCE(ctrl->state, NVME_CTRL_NEW); clear_bit(NVME_CTRL_FAILFAST_EXPIRED, &ctrl->flags); spin_lock_init(&ctrl->lock); mutex_init(&ctrl->scan_lock); @@ -4581,6 +4591,7 @@ void nvme_unfreeze(struct nvme_ctrl *ctrl) list_for_each_entry(ns, &ctrl->namespaces, list) blk_mq_unfreeze_queue(ns->queue); up_read(&ctrl->namespaces_rwsem); + clear_bit(NVME_CTRL_FROZEN, &ctrl->flags); } EXPORT_SYMBOL_GPL(nvme_unfreeze); @@ -4614,6 +4625,7 @@ void nvme_start_freeze(struct nvme_ctrl *ctrl) { struct nvme_ns *ns; + set_bit(NVME_CTRL_FROZEN, &ctrl->flags); down_read(&ctrl->namespaces_rwsem); list_for_each_entry(ns, &ctrl->namespaces, list) blk_freeze_queue_start(ns->queue); diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 9f9a3b35dc64..fb22976a36a8 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -557,7 +557,7 @@ nvme_fc_rport_get(struct nvme_fc_rport *rport) static void nvme_fc_resume_controller(struct nvme_fc_ctrl *ctrl) { - switch (ctrl->ctrl.state) { + switch (nvme_ctrl_state(&ctrl->ctrl)) { case NVME_CTRL_NEW: case NVME_CTRL_CONNECTING: /* @@ -793,7 +793,7 @@ nvme_fc_ctrl_connectivity_loss(struct nvme_fc_ctrl *ctrl) "NVME-FC{%d}: controller connectivity lost. Awaiting " "Reconnect", ctrl->cnum); - switch (ctrl->ctrl.state) { + switch (nvme_ctrl_state(&ctrl->ctrl)) { case NVME_CTRL_NEW: case NVME_CTRL_LIVE: /* @@ -3319,7 +3319,7 @@ nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status) unsigned long recon_delay = ctrl->ctrl.opts->reconnect_delay * HZ; bool recon = true; - if (ctrl->ctrl.state != NVME_CTRL_CONNECTING) + if (nvme_ctrl_state(&ctrl->ctrl) != NVME_CTRL_CONNECTING) return; if (portptr->port_state == FC_OBJSTATE_ONLINE) { diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 529b9954d2b8..4939ed35638f 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -18,15 +18,12 @@ static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c, { u32 effects; - if (capable(CAP_SYS_ADMIN)) - return true; - /* * Do not allow unprivileged passthrough on partitions, as that allows an * escape from the containment of the partition. */ if (flags & NVME_IOCTL_PARTITION) - return false; + goto admin; /* * Do not allow unprivileged processes to send vendor specific or fabrics @@ -34,7 +31,7 @@ static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c, */ if (c->common.opcode >= nvme_cmd_vendor_start || c->common.opcode == nvme_fabrics_command) - return false; + goto admin; /* * Do not allow unprivileged passthrough of admin commands except @@ -53,7 +50,7 @@ static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c, return true; } } - return false; + goto admin; } /* @@ -63,7 +60,7 @@ static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c, */ effects = nvme_command_effects(ns->ctrl, ns, c->common.opcode); if (!(effects & NVME_CMD_EFFECTS_CSUPP)) - return false; + goto admin; /* * Don't allow passthrough for command that have intrusive (or unknown) @@ -72,16 +69,20 @@ static bool nvme_cmd_allowed(struct nvme_ns *ns, struct nvme_command *c, if (effects & ~(NVME_CMD_EFFECTS_CSUPP | NVME_CMD_EFFECTS_LBCC | NVME_CMD_EFFECTS_UUID_SEL | NVME_CMD_EFFECTS_SCOPE_MASK)) - return false; + goto admin; /* * Only allow I/O commands that transfer data to the controller or that * change the logical block contents if the file descriptor is open for * writing. */ - if (nvme_is_write(c) || (effects & NVME_CMD_EFFECTS_LBCC)) - return open_for_write; + if ((nvme_is_write(c) || (effects & NVME_CMD_EFFECTS_LBCC)) && + !open_for_write) + goto admin; + return true; +admin: + return capable(CAP_SYS_ADMIN); } /* diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 39a90b7cb125..e7411dac00f7 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -156,6 +156,11 @@ enum nvme_quirks { * No temperature thresholds for channels other than 0 (Composite). */ NVME_QUIRK_NO_SECONDARY_TEMP_THRESH = (1 << 19), + + /* + * Disables simple suspend/resume path. + */ + NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND = (1 << 20), }; /* @@ -251,6 +256,7 @@ enum nvme_ctrl_flags { NVME_CTRL_STOPPED = 3, NVME_CTRL_SKIP_ID_CNS_CS = 4, NVME_CTRL_DIRTY_CAPABILITY = 5, + NVME_CTRL_FROZEN = 6, }; struct nvme_ctrl { @@ -387,6 +393,11 @@ struct nvme_ctrl { enum nvme_dctype dctype; }; +static inline enum nvme_ctrl_state nvme_ctrl_state(struct nvme_ctrl *ctrl) +{ + return READ_ONCE(ctrl->state); +} + enum nvme_iopolicy { NVME_IOPOLICY_NUMA, NVME_IOPOLICY_RR, diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 507bc149046d..61af7ff1a9d6 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1233,7 +1233,7 @@ static bool nvme_should_reset(struct nvme_dev *dev, u32 csts) bool nssro = dev->subsystem && (csts & NVME_CSTS_NSSRO); /* If there is a reset/reinit ongoing, we shouldn't reset again. */ - switch (dev->ctrl.state) { + switch (nvme_ctrl_state(&dev->ctrl)) { case NVME_CTRL_RESETTING: case NVME_CTRL_CONNECTING: return false; @@ -1321,7 +1321,7 @@ static enum blk_eh_timer_return nvme_timeout(struct request *req) * cancellation error. All outstanding requests are completed on * shutdown, so we return BLK_EH_DONE. */ - switch (dev->ctrl.state) { + switch (nvme_ctrl_state(&dev->ctrl)) { case NVME_CTRL_CONNECTING: nvme_change_ctrl_state(&dev->ctrl, NVME_CTRL_DELETING); fallthrough; @@ -1593,7 +1593,7 @@ static int nvme_setup_io_queues_trylock(struct nvme_dev *dev) /* * Controller is in wrong state, fail early. */ - if (dev->ctrl.state != NVME_CTRL_CONNECTING) { + if (nvme_ctrl_state(&dev->ctrl) != NVME_CTRL_CONNECTING) { mutex_unlock(&dev->shutdown_lock); return -ENODEV; } @@ -2573,13 +2573,13 @@ static bool nvme_pci_ctrl_is_dead(struct nvme_dev *dev) static void nvme_dev_disable(struct nvme_dev *dev, bool shutdown) { + enum nvme_ctrl_state state = nvme_ctrl_state(&dev->ctrl); struct pci_dev *pdev = to_pci_dev(dev->dev); bool dead; mutex_lock(&dev->shutdown_lock); dead = nvme_pci_ctrl_is_dead(dev); - if (dev->ctrl.state == NVME_CTRL_LIVE || - dev->ctrl.state == NVME_CTRL_RESETTING) { + if (state == NVME_CTRL_LIVE || state == NVME_CTRL_RESETTING) { if (pci_is_enabled(pdev)) nvme_start_freeze(&dev->ctrl); /* @@ -2690,7 +2690,7 @@ static void nvme_reset_work(struct work_struct *work) bool was_suspend = !!(dev->ctrl.ctrl_config & NVME_CC_SHN_NORMAL); int result; - if (dev->ctrl.state != NVME_CTRL_RESETTING) { + if (nvme_ctrl_state(&dev->ctrl) != NVME_CTRL_RESETTING) { dev_warn(dev->ctrl.device, "ctrl state %d is not RESETTING\n", dev->ctrl.state); result = -ENODEV; @@ -2902,6 +2902,18 @@ static unsigned long check_vendor_combination_bug(struct pci_dev *pdev) if ((dmi_match(DMI_BOARD_VENDOR, "LENOVO")) && dmi_match(DMI_BOARD_NAME, "LNVNB161216")) return NVME_QUIRK_SIMPLE_SUSPEND; + } else if (pdev->vendor == 0x2646 && (pdev->device == 0x2263 || + pdev->device == 0x500f)) { + /* + * Exclude some Kingston NV1 and A2000 devices from + * NVME_QUIRK_SIMPLE_SUSPEND. Do a full suspend to save a + * lot fo energy with s2idle sleep on some TUXEDO platforms. + */ + if (dmi_match(DMI_BOARD_NAME, "NS5X_NS7XAU") || + dmi_match(DMI_BOARD_NAME, "NS5x_7xAU") || + dmi_match(DMI_BOARD_NAME, "NS5x_7xPU") || + dmi_match(DMI_BOARD_NAME, "PH4PRX1_PH6PRX1")) + return NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND; } return 0; @@ -2932,7 +2944,9 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev, dev->dev = get_device(&pdev->dev); quirks |= check_vendor_combination_bug(pdev); - if (!noacpi && acpi_storage_d3(&pdev->dev)) { + if (!noacpi && + !(quirks & NVME_QUIRK_FORCE_NO_SIMPLE_SUSPEND) && + acpi_storage_d3(&pdev->dev)) { /* * Some systems use a bios work around to ask for D3 on * platforms that support kernel managed suspend. @@ -3192,7 +3206,7 @@ static int nvme_suspend(struct device *dev) nvme_wait_freeze(ctrl); nvme_sync_queues(ctrl); - if (ctrl->state != NVME_CTRL_LIVE) + if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE) goto unfreeze; /* diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 6d178d555920..81e2621169e5 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -984,10 +984,11 @@ free_ctrl: static void nvme_rdma_reconnect_or_remove(struct nvme_rdma_ctrl *ctrl) { + enum nvme_ctrl_state state = nvme_ctrl_state(&ctrl->ctrl); + /* If we are resetting/deleting then do nothing */ - if (ctrl->ctrl.state != NVME_CTRL_CONNECTING) { - WARN_ON_ONCE(ctrl->ctrl.state == NVME_CTRL_NEW || - ctrl->ctrl.state == NVME_CTRL_LIVE); + if (state != NVME_CTRL_CONNECTING) { + WARN_ON_ONCE(state == NVME_CTRL_NEW || state == NVME_CTRL_LIVE); return; } @@ -1059,8 +1060,10 @@ static int nvme_rdma_setup_ctrl(struct nvme_rdma_ctrl *ctrl, bool new) * unless we're during creation of a new controller to * avoid races with teardown flow. */ - WARN_ON_ONCE(ctrl->ctrl.state != NVME_CTRL_DELETING && - ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO); + enum nvme_ctrl_state state = nvme_ctrl_state(&ctrl->ctrl); + + WARN_ON_ONCE(state != NVME_CTRL_DELETING && + state != NVME_CTRL_DELETING_NOIO); WARN_ON_ONCE(new); ret = -EINVAL; goto destroy_io; @@ -1129,8 +1132,10 @@ static void nvme_rdma_error_recovery_work(struct work_struct *work) if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { /* state change failure is ok if we started ctrl delete */ - WARN_ON_ONCE(ctrl->ctrl.state != NVME_CTRL_DELETING && - ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO); + enum nvme_ctrl_state state = nvme_ctrl_state(&ctrl->ctrl); + + WARN_ON_ONCE(state != NVME_CTRL_DELETING && + state != NVME_CTRL_DELETING_NOIO); return; } @@ -1162,7 +1167,7 @@ static void nvme_rdma_wr_error(struct ib_cq *cq, struct ib_wc *wc, struct nvme_rdma_queue *queue = wc->qp->qp_context; struct nvme_rdma_ctrl *ctrl = queue->ctrl; - if (ctrl->ctrl.state == NVME_CTRL_LIVE) + if (nvme_ctrl_state(&ctrl->ctrl) == NVME_CTRL_LIVE) dev_info(ctrl->ctrl.device, "%s for CQE 0x%p failed with status %s (%d)\n", op, wc->wr_cqe, @@ -1945,7 +1950,7 @@ static enum blk_eh_timer_return nvme_rdma_timeout(struct request *rq) dev_warn(ctrl->ctrl.device, "I/O %d QID %d timeout\n", rq->tag, nvme_rdma_queue_idx(queue)); - if (ctrl->ctrl.state != NVME_CTRL_LIVE) { + if (nvme_ctrl_state(&ctrl->ctrl) != NVME_CTRL_LIVE) { /* * If we are resetting, connecting or deleting we should * complete immediately because we may block controller diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index d79811cfa0ce..08805f027810 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2152,10 +2152,11 @@ static void nvme_tcp_teardown_io_queues(struct nvme_ctrl *ctrl, static void nvme_tcp_reconnect_or_remove(struct nvme_ctrl *ctrl) { + enum nvme_ctrl_state state = nvme_ctrl_state(ctrl); + /* If we are resetting/deleting then do nothing */ - if (ctrl->state != NVME_CTRL_CONNECTING) { - WARN_ON_ONCE(ctrl->state == NVME_CTRL_NEW || - ctrl->state == NVME_CTRL_LIVE); + if (state != NVME_CTRL_CONNECTING) { + WARN_ON_ONCE(state == NVME_CTRL_NEW || state == NVME_CTRL_LIVE); return; } @@ -2215,8 +2216,10 @@ static int nvme_tcp_setup_ctrl(struct nvme_ctrl *ctrl, bool new) * unless we're during creation of a new controller to * avoid races with teardown flow. */ - WARN_ON_ONCE(ctrl->state != NVME_CTRL_DELETING && - ctrl->state != NVME_CTRL_DELETING_NOIO); + enum nvme_ctrl_state state = nvme_ctrl_state(ctrl); + + WARN_ON_ONCE(state != NVME_CTRL_DELETING && + state != NVME_CTRL_DELETING_NOIO); WARN_ON_ONCE(new); ret = -EINVAL; goto destroy_io; @@ -2280,8 +2283,10 @@ static void nvme_tcp_error_recovery_work(struct work_struct *work) if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING)) { /* state change failure is ok if we started ctrl delete */ - WARN_ON_ONCE(ctrl->state != NVME_CTRL_DELETING && - ctrl->state != NVME_CTRL_DELETING_NOIO); + enum nvme_ctrl_state state = nvme_ctrl_state(ctrl); + + WARN_ON_ONCE(state != NVME_CTRL_DELETING && + state != NVME_CTRL_DELETING_NOIO); return; } @@ -2311,8 +2316,10 @@ static void nvme_reset_ctrl_work(struct work_struct *work) if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_CONNECTING)) { /* state change failure is ok if we started ctrl delete */ - WARN_ON_ONCE(ctrl->state != NVME_CTRL_DELETING && - ctrl->state != NVME_CTRL_DELETING_NOIO); + enum nvme_ctrl_state state = nvme_ctrl_state(ctrl); + + WARN_ON_ONCE(state != NVME_CTRL_DELETING && + state != NVME_CTRL_DELETING_NOIO); return; } @@ -2430,7 +2437,7 @@ static enum blk_eh_timer_return nvme_tcp_timeout(struct request *rq) nvme_tcp_queue_id(req->queue), nvme_cid(rq), pdu->hdr.type, opc, nvme_opcode_str(qid, opc, fctype)); - if (ctrl->state != NVME_CTRL_LIVE) { + if (nvme_ctrl_state(ctrl) != NVME_CTRL_LIVE) { /* * If we are resetting, connecting or deleting we should * complete immediately because we may block controller diff --git a/drivers/nvme/target/Kconfig b/drivers/nvme/target/Kconfig index e1ebc73f3e5e..872dd1a0acd8 100644 --- a/drivers/nvme/target/Kconfig +++ b/drivers/nvme/target/Kconfig @@ -99,10 +99,11 @@ config NVME_TARGET_TCP_TLS If unsure, say N. config NVME_TARGET_AUTH - bool "NVMe over Fabrics In-band Authentication support" + bool "NVMe over Fabrics In-band Authentication in target side" depends on NVME_TARGET select NVME_AUTH help - This enables support for NVMe over Fabrics In-band Authentication + This enables support for NVMe over Fabrics In-band Authentication in + target side. If unsure, say N. diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c index e307a044b1a1..d937fe05129e 100644 --- a/drivers/nvme/target/configfs.c +++ b/drivers/nvme/target/configfs.c @@ -18,6 +18,7 @@ #include <linux/nvme-keyring.h> #include <crypto/hash.h> #include <crypto/kpp.h> +#include <linux/nospec.h> #include "nvmet.h" @@ -621,6 +622,7 @@ static ssize_t nvmet_ns_ana_grpid_store(struct config_item *item, down_write(&nvmet_ana_sem); oldgrpid = ns->anagrpid; + newgrpid = array_index_nospec(newgrpid, NVMET_MAX_ANAGRPS); nvmet_ana_group_enabled[newgrpid]++; ns->anagrpid = newgrpid; nvmet_ana_group_enabled[oldgrpid]--; @@ -1812,6 +1814,7 @@ static struct config_group *nvmet_ana_groups_make_group( grp->grpid = grpid; down_write(&nvmet_ana_sem); + grpid = array_index_nospec(grpid, NVMET_MAX_ANAGRPS); nvmet_ana_group_enabled[grpid]++; up_write(&nvmet_ana_sem); diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index bf42b7e826db..608b352a7d91 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -796,6 +796,12 @@ static struct nvmem_layout *nvmem_layout_get(struct nvmem_device *nvmem) if (!layout_np) return NULL; + /* Fixed layouts don't have a matching driver */ + if (of_device_is_compatible(layout_np, "fixed-layout")) { + of_node_put(layout_np); + return NULL; + } + /* * In case the nvmem device was built-in while the layout was built as a * module, we shall manually request the layout driver loading otherwise diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index f63250c650ca..3bf27052832f 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -98,8 +98,9 @@ int of_reconfig_notify(unsigned long action, struct of_reconfig_data *p) * * Returns the new state of a device based on the notifier used. * - * Return: 0 on device going from enabled to disabled, 1 on device - * going from disabled to enabled and -1 on no change. + * Return: OF_RECONFIG_CHANGE_REMOVE on device going from enabled to + * disabled, OF_RECONFIG_CHANGE_ADD on device going from disabled to + * enabled and OF_RECONFIG_NO_CHANGE on no change. */ int of_reconfig_get_state_change(unsigned long action, struct of_reconfig_data *pr) { diff --git a/drivers/parport/parport_pc.c b/drivers/parport/parport_pc.c index 1f236aaf7867..f33b5d1ddfc1 100644 --- a/drivers/parport/parport_pc.c +++ b/drivers/parport/parport_pc.c @@ -2658,6 +2658,8 @@ enum parport_pc_pci_cards { asix_ax99100, quatech_sppxp100, wch_ch382l, + brainboxes_uc146, + brainboxes_px203, }; @@ -2737,6 +2739,8 @@ static struct parport_pc_pci { /* asix_ax99100 */ { 1, { { 0, 1 }, } }, /* quatech_sppxp100 */ { 1, { { 0, 1 }, } }, /* wch_ch382l */ { 1, { { 2, -1 }, } }, + /* brainboxes_uc146 */ { 1, { { 3, -1 }, } }, + /* brainboxes_px203 */ { 1, { { 0, -1 }, } }, }; static const struct pci_device_id parport_pc_pci_tbl[] = { @@ -2833,6 +2837,23 @@ static const struct pci_device_id parport_pc_pci_tbl[] = { PCI_ANY_ID, PCI_ANY_ID, 0, 0, quatech_sppxp100 }, /* WCH CH382L PCI-E single parallel port card */ { 0x1c00, 0x3050, 0x1c00, 0x3050, 0, 0, wch_ch382l }, + /* Brainboxes IX-500/550 */ + { PCI_VENDOR_ID_INTASHIELD, 0x402a, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport }, + /* Brainboxes UC-146/UC-157 */ + { PCI_VENDOR_ID_INTASHIELD, 0x0be1, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 }, + { PCI_VENDOR_ID_INTASHIELD, 0x0be2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_uc146 }, + /* Brainboxes PX-146/PX-257 */ + { PCI_VENDOR_ID_INTASHIELD, 0x401c, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport }, + /* Brainboxes PX-203 */ + { PCI_VENDOR_ID_INTASHIELD, 0x4007, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, brainboxes_px203 }, + /* Brainboxes PX-475 */ + { PCI_VENDOR_ID_INTASHIELD, 0x401f, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, oxsemi_pcie_pport }, { 0, } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, parport_pc_pci_tbl); diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c index 6902e97719d1..11c80555d975 100644 --- a/drivers/pci/controller/dwc/pcie-qcom.c +++ b/drivers/pci/controller/dwc/pcie-qcom.c @@ -968,9 +968,12 @@ static int qcom_pcie_post_init_2_7_0(struct qcom_pcie *pcie) static int qcom_pcie_enable_aspm(struct pci_dev *pdev, void *userdata) { - /* Downstream devices need to be in D0 state before enabling PCI PM substates */ + /* + * Downstream devices need to be in D0 state before enabling PCI PM + * substates. + */ pci_set_power_state(pdev, PCI_D0); - pci_enable_link_state(pdev, PCIE_LINK_STATE_ALL); + pci_enable_link_state_locked(pdev, PCIE_LINK_STATE_ALL); return 0; } diff --git a/drivers/pci/controller/pci-loongson.c b/drivers/pci/controller/pci-loongson.c index d45e7b8dc530..8b34ccff073a 100644 --- a/drivers/pci/controller/pci-loongson.c +++ b/drivers/pci/controller/pci-loongson.c @@ -80,13 +80,49 @@ DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, DECLARE_PCI_FIXUP_EARLY(PCI_VENDOR_ID_LOONGSON, DEV_LS7A_LPC, system_bus_quirk); +/* + * Some Loongson PCIe ports have hardware limitations on their Maximum Read + * Request Size. They can't handle anything larger than this. Sane + * firmware will set proper MRRS at boot, so we only need no_inc_mrrs for + * bridges. However, some MIPS Loongson firmware doesn't set MRRS properly, + * so we have to enforce maximum safe MRRS, which is 256 bytes. + */ +#ifdef CONFIG_MIPS +static void loongson_set_min_mrrs_quirk(struct pci_dev *pdev) +{ + struct pci_bus *bus = pdev->bus; + struct pci_dev *bridge; + static const struct pci_device_id bridge_devids[] = { + { PCI_VDEVICE(LOONGSON, DEV_LS2K_PCIE_PORT0) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT0) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT1) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT2) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT3) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT4) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT5) }, + { PCI_VDEVICE(LOONGSON, DEV_LS7A_PCIE_PORT6) }, + { 0, }, + }; + + /* look for the matching bridge */ + while (!pci_is_root_bus(bus)) { + bridge = bus->self; + bus = bus->parent; + + if (pci_match_id(bridge_devids, bridge)) { + if (pcie_get_readrq(pdev) > 256) { + pci_info(pdev, "limiting MRRS to 256\n"); + pcie_set_readrq(pdev, 256); + } + break; + } + } +} +DECLARE_PCI_FIXUP_ENABLE(PCI_ANY_ID, PCI_ANY_ID, loongson_set_min_mrrs_quirk); +#endif + static void loongson_mrrs_quirk(struct pci_dev *pdev) { - /* - * Some Loongson PCIe ports have h/w limitations of maximum read - * request size. They can't handle anything larger than this. So - * force this limit on any devices attached under these ports. - */ struct pci_host_bridge *bridge = pci_find_host_bridge(pdev->bus); bridge->no_inc_mrrs = 1; diff --git a/drivers/pci/controller/vmd.c b/drivers/pci/controller/vmd.c index 94ba61fe1c44..0452cbc362ee 100644 --- a/drivers/pci/controller/vmd.c +++ b/drivers/pci/controller/vmd.c @@ -751,7 +751,7 @@ static int vmd_pm_enable_quirk(struct pci_dev *pdev, void *userdata) if (!(features & VMD_FEAT_BIOS_PM_QUIRK)) return 0; - pci_enable_link_state(pdev, PCIE_LINK_STATE_ALL); + pci_enable_link_state_locked(pdev, PCIE_LINK_STATE_ALL); pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_LTR); if (!pos) diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index 601129772b2d..5b1f271c6034 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -512,15 +512,12 @@ static void enable_slot(struct acpiphp_slot *slot, bool bridge) if (pass && dev->subordinate) { check_hotplug_bridge(slot, dev); pcibios_resource_survey_bus(dev->subordinate); - if (pci_is_root_bus(bus)) - __pci_bus_size_bridges(dev->subordinate, &add_list); + __pci_bus_size_bridges(dev->subordinate, + &add_list); } } } - if (pci_is_root_bus(bus)) - __pci_bus_assign_resources(bus, &add_list, NULL); - else - pci_assign_unassigned_bridge_resources(bus->self); + __pci_bus_assign_resources(bus, &add_list, NULL); } acpiphp_sanitize_bus(bus); diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 55bc3576a985..00817d403ad4 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -6224,6 +6224,41 @@ int pcie_set_mps(struct pci_dev *dev, int mps) } EXPORT_SYMBOL(pcie_set_mps); +static enum pci_bus_speed to_pcie_link_speed(u16 lnksta) +{ + return pcie_link_speed[FIELD_GET(PCI_EXP_LNKSTA_CLS, lnksta)]; +} + +int pcie_link_speed_mbps(struct pci_dev *pdev) +{ + u16 lnksta; + int err; + + err = pcie_capability_read_word(pdev, PCI_EXP_LNKSTA, &lnksta); + if (err) + return err; + + switch (to_pcie_link_speed(lnksta)) { + case PCIE_SPEED_2_5GT: + return 2500; + case PCIE_SPEED_5_0GT: + return 5000; + case PCIE_SPEED_8_0GT: + return 8000; + case PCIE_SPEED_16_0GT: + return 16000; + case PCIE_SPEED_32_0GT: + return 32000; + case PCIE_SPEED_64_0GT: + return 64000; + default: + break; + } + + return -EINVAL; +} +EXPORT_SYMBOL(pcie_link_speed_mbps); + /** * pcie_bandwidth_available - determine minimum link settings of a PCIe * device and its bandwidth limitation @@ -6257,8 +6292,7 @@ u32 pcie_bandwidth_available(struct pci_dev *dev, struct pci_dev **limiting_dev, while (dev) { pcie_capability_read_word(dev, PCI_EXP_LNKSTA, &lnksta); - next_speed = pcie_link_speed[FIELD_GET(PCI_EXP_LNKSTA_CLS, - lnksta)]; + next_speed = to_pcie_link_speed(lnksta); next_width = FIELD_GET(PCI_EXP_LNKSTA_NLW, lnksta); next_bw = next_width * PCIE_SPEED2MBS_ENC(next_speed); diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 50b04ae5c394..5dab531c8654 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -1041,7 +1041,7 @@ static struct pcie_link_state *pcie_aspm_get_link(struct pci_dev *pdev) return bridge->link_state; } -static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem) +static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool locked) { struct pcie_link_state *link = pcie_aspm_get_link(pdev); @@ -1060,7 +1060,7 @@ static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem) return -EPERM; } - if (sem) + if (!locked) down_read(&pci_bus_sem); mutex_lock(&aspm_lock); if (state & PCIE_LINK_STATE_L0S) @@ -1082,7 +1082,7 @@ static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem) link->clkpm_disable = 1; pcie_set_clkpm(link, policy_to_clkpm_state(link)); mutex_unlock(&aspm_lock); - if (sem) + if (!locked) up_read(&pci_bus_sem); return 0; @@ -1090,7 +1090,9 @@ static int __pci_disable_link_state(struct pci_dev *pdev, int state, bool sem) int pci_disable_link_state_locked(struct pci_dev *pdev, int state) { - return __pci_disable_link_state(pdev, state, false); + lockdep_assert_held_read(&pci_bus_sem); + + return __pci_disable_link_state(pdev, state, true); } EXPORT_SYMBOL(pci_disable_link_state_locked); @@ -1105,21 +1107,11 @@ EXPORT_SYMBOL(pci_disable_link_state_locked); */ int pci_disable_link_state(struct pci_dev *pdev, int state) { - return __pci_disable_link_state(pdev, state, true); + return __pci_disable_link_state(pdev, state, false); } EXPORT_SYMBOL(pci_disable_link_state); -/** - * pci_enable_link_state - Clear and set the default device link state so that - * the link may be allowed to enter the specified states. Note that if the - * BIOS didn't grant ASPM control to the OS, this does nothing because we can't - * touch the LNKCTL register. Also note that this does not enable states - * disabled by pci_disable_link_state(). Return 0 or a negative errno. - * - * @pdev: PCI device - * @state: Mask of ASPM link states to enable - */ -int pci_enable_link_state(struct pci_dev *pdev, int state) +static int __pci_enable_link_state(struct pci_dev *pdev, int state, bool locked) { struct pcie_link_state *link = pcie_aspm_get_link(pdev); @@ -1136,7 +1128,8 @@ int pci_enable_link_state(struct pci_dev *pdev, int state) return -EPERM; } - down_read(&pci_bus_sem); + if (!locked) + down_read(&pci_bus_sem); mutex_lock(&aspm_lock); link->aspm_default = 0; if (state & PCIE_LINK_STATE_L0S) @@ -1157,12 +1150,48 @@ int pci_enable_link_state(struct pci_dev *pdev, int state) link->clkpm_default = (state & PCIE_LINK_STATE_CLKPM) ? 1 : 0; pcie_set_clkpm(link, policy_to_clkpm_state(link)); mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); + if (!locked) + up_read(&pci_bus_sem); return 0; } + +/** + * pci_enable_link_state - Clear and set the default device link state so that + * the link may be allowed to enter the specified states. Note that if the + * BIOS didn't grant ASPM control to the OS, this does nothing because we can't + * touch the LNKCTL register. Also note that this does not enable states + * disabled by pci_disable_link_state(). Return 0 or a negative errno. + * + * @pdev: PCI device + * @state: Mask of ASPM link states to enable + */ +int pci_enable_link_state(struct pci_dev *pdev, int state) +{ + return __pci_enable_link_state(pdev, state, false); +} EXPORT_SYMBOL(pci_enable_link_state); +/** + * pci_enable_link_state_locked - Clear and set the default device link state + * so that the link may be allowed to enter the specified states. Note that if + * the BIOS didn't grant ASPM control to the OS, this does nothing because we + * can't touch the LNKCTL register. Also note that this does not enable states + * disabled by pci_disable_link_state(). Return 0 or a negative errno. + * + * @pdev: PCI device + * @state: Mask of ASPM link states to enable + * + * Context: Caller holds pci_bus_sem read lock. + */ +int pci_enable_link_state_locked(struct pci_dev *pdev, int state) +{ + lockdep_assert_held_read(&pci_bus_sem); + + return __pci_enable_link_state(pdev, state, true); +} +EXPORT_SYMBOL(pci_enable_link_state_locked); + static int pcie_aspm_set_policy(const char *val, const struct kernel_param *kp) { diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index 014010d03588..847b0dc41293 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -1816,7 +1816,7 @@ static int arm_cmn_event_add(struct perf_event *event, int flags) idx = 0; while (cmn->dtc[j].counters[idx]) if (++idx == CMN_DT_NUM_COUNTERS) - goto free_dtms; + return -ENOSPC; } hw->dtc_idx[j] = idx; } diff --git a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c index f021ec5a70e5..553725e1269c 100644 --- a/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c +++ b/drivers/phy/mediatek/phy-mtk-mipi-dsi-mt8183.c @@ -100,7 +100,7 @@ static void mtk_mipi_tx_pll_disable(struct clk_hw *hw) static long mtk_mipi_tx_pll_round_rate(struct clk_hw *hw, unsigned long rate, unsigned long *prate) { - return clamp_val(rate, 50000000, 1600000000); + return clamp_val(rate, 125000000, 1600000000); } static const struct clk_ops mtk_mipi_tx_pll_ops = { diff --git a/drivers/phy/sunplus/phy-sunplus-usb2.c b/drivers/phy/sunplus/phy-sunplus-usb2.c index 0efe74ac9c6a..637a5fbae6d9 100644 --- a/drivers/phy/sunplus/phy-sunplus-usb2.c +++ b/drivers/phy/sunplus/phy-sunplus-usb2.c @@ -275,7 +275,7 @@ static int sp_usb_phy_probe(struct platform_device *pdev) phy = devm_phy_create(&pdev->dev, NULL, &sp_uphy_ops); if (IS_ERR(phy)) { - ret = -PTR_ERR(phy); + ret = PTR_ERR(phy); return ret; } diff --git a/drivers/phy/ti/phy-gmii-sel.c b/drivers/phy/ti/phy-gmii-sel.c index 555b323f45da..bc847d3879f7 100644 --- a/drivers/phy/ti/phy-gmii-sel.c +++ b/drivers/phy/ti/phy-gmii-sel.c @@ -64,6 +64,7 @@ struct phy_gmii_sel_priv { u32 num_ports; u32 reg_offset; u32 qsgmii_main_ports; + bool no_offset; }; static int phy_gmii_sel_mode(struct phy *phy, enum phy_mode mode, int submode) @@ -402,7 +403,8 @@ static int phy_gmii_sel_init_ports(struct phy_gmii_sel_priv *priv) priv->num_ports = size / sizeof(u32); if (!priv->num_ports) return -EINVAL; - priv->reg_offset = __be32_to_cpu(*offset); + if (!priv->no_offset) + priv->reg_offset = __be32_to_cpu(*offset); } if_phys = devm_kcalloc(dev, priv->num_ports, @@ -471,6 +473,7 @@ static int phy_gmii_sel_probe(struct platform_device *pdev) dev_err(dev, "Failed to get syscon %d\n", ret); return ret; } + priv->no_offset = true; } ret = phy_gmii_sel_init_ports(priv); diff --git a/drivers/platform/mellanox/mlxbf-bootctl.c b/drivers/platform/mellanox/mlxbf-bootctl.c index 1ac7dab22c63..c1aef3a8fb2d 100644 --- a/drivers/platform/mellanox/mlxbf-bootctl.c +++ b/drivers/platform/mellanox/mlxbf-bootctl.c @@ -20,6 +20,7 @@ #define MLXBF_BOOTCTL_SB_SECURE_MASK 0x03 #define MLXBF_BOOTCTL_SB_TEST_MASK 0x0c +#define MLXBF_BOOTCTL_SB_DEV_MASK BIT(4) #define MLXBF_SB_KEY_NUM 4 @@ -40,11 +41,18 @@ static struct mlxbf_bootctl_name boot_names[] = { { MLXBF_BOOTCTL_NONE, "none" }, }; +enum { + MLXBF_BOOTCTL_SB_LIFECYCLE_PRODUCTION = 0, + MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE = 1, + MLXBF_BOOTCTL_SB_LIFECYCLE_GA_NON_SECURE = 2, + MLXBF_BOOTCTL_SB_LIFECYCLE_RMA = 3 +}; + static const char * const mlxbf_bootctl_lifecycle_states[] = { - [0] = "Production", - [1] = "GA Secured", - [2] = "GA Non-Secured", - [3] = "RMA", + [MLXBF_BOOTCTL_SB_LIFECYCLE_PRODUCTION] = "Production", + [MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE] = "GA Secured", + [MLXBF_BOOTCTL_SB_LIFECYCLE_GA_NON_SECURE] = "GA Non-Secured", + [MLXBF_BOOTCTL_SB_LIFECYCLE_RMA] = "RMA", }; /* Log header format. */ @@ -247,25 +255,30 @@ static ssize_t second_reset_action_store(struct device *dev, static ssize_t lifecycle_state_show(struct device *dev, struct device_attribute *attr, char *buf) { + int status_bits; + int use_dev_key; + int test_state; int lc_state; - lc_state = mlxbf_bootctl_smc(MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS, - MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE); - if (lc_state < 0) - return lc_state; + status_bits = mlxbf_bootctl_smc(MLXBF_BOOTCTL_GET_TBB_FUSE_STATUS, + MLXBF_BOOTCTL_FUSE_STATUS_LIFECYCLE); + if (status_bits < 0) + return status_bits; - lc_state &= - MLXBF_BOOTCTL_SB_TEST_MASK | MLXBF_BOOTCTL_SB_SECURE_MASK; + use_dev_key = status_bits & MLXBF_BOOTCTL_SB_DEV_MASK; + test_state = status_bits & MLXBF_BOOTCTL_SB_TEST_MASK; + lc_state = status_bits & MLXBF_BOOTCTL_SB_SECURE_MASK; /* * If the test bits are set, we specify that the current state may be * due to using the test bits. */ - if (lc_state & MLXBF_BOOTCTL_SB_TEST_MASK) { - lc_state &= MLXBF_BOOTCTL_SB_SECURE_MASK; - + if (test_state) { return sprintf(buf, "%s(test)\n", mlxbf_bootctl_lifecycle_states[lc_state]); + } else if (use_dev_key && + (lc_state == MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE)) { + return sprintf(buf, "Secured (development)\n"); } return sprintf(buf, "%s\n", mlxbf_bootctl_lifecycle_states[lc_state]); diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index 0b427fc24a96..1dd84c7a79de 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -1771,6 +1771,8 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, int blk_num) attr->dev_attr.show = mlxbf_pmc_event_list_show; attr->nr = blk_num; attr->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL, "event_list"); + if (!attr->dev_attr.attr.name) + return -ENOMEM; pmc->block[blk_num].block_attr[i] = &attr->dev_attr.attr; attr = NULL; @@ -1784,6 +1786,8 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, int blk_num) attr->nr = blk_num; attr->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL, "enable"); + if (!attr->dev_attr.attr.name) + return -ENOMEM; pmc->block[blk_num].block_attr[++i] = &attr->dev_attr.attr; attr = NULL; } @@ -1810,6 +1814,8 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, int blk_num) attr->nr = blk_num; attr->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL, "counter%d", j); + if (!attr->dev_attr.attr.name) + return -ENOMEM; pmc->block[blk_num].block_attr[++i] = &attr->dev_attr.attr; attr = NULL; @@ -1821,6 +1827,8 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, int blk_num) attr->nr = blk_num; attr->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL, "event%d", j); + if (!attr->dev_attr.attr.name) + return -ENOMEM; pmc->block[blk_num].block_attr[++i] = &attr->dev_attr.attr; attr = NULL; } @@ -1853,6 +1861,8 @@ static int mlxbf_pmc_init_perftype_reg(struct device *dev, int blk_num) attr->nr = blk_num; attr->dev_attr.attr.name = devm_kasprintf(dev, GFP_KERNEL, events[j].evt_name); + if (!attr->dev_attr.attr.name) + return -ENOMEM; pmc->block[blk_num].block_attr[i] = &attr->dev_attr.attr; attr = NULL; i++; @@ -1882,6 +1892,8 @@ static int mlxbf_pmc_create_groups(struct device *dev, int blk_num) pmc->block[blk_num].block_attr_grp.attrs = pmc->block[blk_num].block_attr; pmc->block[blk_num].block_attr_grp.name = devm_kasprintf( dev, GFP_KERNEL, pmc->block_name[blk_num]); + if (!pmc->block[blk_num].block_attr_grp.name) + return -ENOMEM; pmc->groups[pmc->group_num] = &pmc->block[blk_num].block_attr_grp; pmc->group_num++; @@ -2063,6 +2075,8 @@ static int mlxbf_pmc_probe(struct platform_device *pdev) pmc->hwmon_dev = devm_hwmon_device_register_with_groups( dev, "bfperf", pmc, pmc->groups); + if (IS_ERR(pmc->hwmon_dev)) + return PTR_ERR(pmc->hwmon_dev); platform_set_drvdata(pdev, pmc); return 0; diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c index 1a6373dea109..6152be38398c 100644 --- a/drivers/platform/surface/aggregator/core.c +++ b/drivers/platform/surface/aggregator/core.c @@ -231,9 +231,12 @@ static int ssam_receive_buf(struct serdev_device *dev, const unsigned char *buf, size_t n) { struct ssam_controller *ctrl; + int ret; ctrl = serdev_device_get_drvdata(dev); - return ssam_controller_receive_buf(ctrl, buf, n); + ret = ssam_controller_receive_buf(ctrl, buf, n); + + return ret < 0 ? 0 : ret; } static void ssam_write_wakeup(struct serdev_device *dev) diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 7e69fdaccdd5..c94f31a5c6a3 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -263,6 +263,7 @@ config ASUS_WMI depends on RFKILL || RFKILL = n depends on HOTPLUG_PCI depends on ACPI_VIDEO || ACPI_VIDEO = n + depends on SERIO_I8042 || SERIO_I8042 = n select INPUT_SPARSEKMAP select LEDS_CLASS select NEW_LEDS @@ -279,7 +280,6 @@ config ASUS_WMI config ASUS_NB_WMI tristate "Asus Notebook WMI Driver" depends on ASUS_WMI - depends on SERIO_I8042 || SERIO_I8042 = n help This is a driver for newer Asus notebooks. It adds extra features like wireless radio and bluetooth control, leds, hotkeys, backlight... diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index 9aa1226e74e6..fceffe2082ec 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -48,25 +48,43 @@ module_param(tablet_mode_sw, uint, 0444); MODULE_PARM_DESC(tablet_mode_sw, "Tablet mode detect: -1:auto 0:disable 1:kbd-dock 2:lid-flip 3:lid-flip-rog"); static struct quirk_entry *quirks; +static bool atkbd_reports_vol_keys; -static bool asus_q500a_i8042_filter(unsigned char data, unsigned char str, - struct serio *port) +static bool asus_i8042_filter(unsigned char data, unsigned char str, struct serio *port) { - static bool extended; - bool ret = false; + static bool extended_e0; + static bool extended_e1; if (str & I8042_STR_AUXDATA) return false; - if (unlikely(data == 0xe1)) { - extended = true; - ret = true; - } else if (unlikely(extended)) { - extended = false; - ret = true; + if (quirks->filter_i8042_e1_extended_codes) { + if (data == 0xe1) { + extended_e1 = true; + return true; + } + + if (extended_e1) { + extended_e1 = false; + return true; + } } - return ret; + if (data == 0xe0) { + extended_e0 = true; + } else if (extended_e0) { + extended_e0 = false; + + switch (data & 0x7f) { + case 0x20: /* e0 20 / e0 a0, Volume Mute press / release */ + case 0x2e: /* e0 2e / e0 ae, Volume Down press / release */ + case 0x30: /* e0 30 / e0 b0, Volume Up press / release */ + atkbd_reports_vol_keys = true; + break; + } + } + + return false; } static struct quirk_entry quirk_asus_unknown = { @@ -75,7 +93,7 @@ static struct quirk_entry quirk_asus_unknown = { }; static struct quirk_entry quirk_asus_q500a = { - .i8042_filter = asus_q500a_i8042_filter, + .filter_i8042_e1_extended_codes = true, .wmi_backlight_set_devstate = true, }; @@ -503,8 +521,6 @@ static const struct dmi_system_id asus_quirks[] = { static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver) { - int ret; - quirks = &quirk_asus_unknown; dmi_check_system(asus_quirks); @@ -519,15 +535,6 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver) if (tablet_mode_sw != -1) quirks->tablet_switch_mode = tablet_mode_sw; - - if (quirks->i8042_filter) { - ret = i8042_install_filter(quirks->i8042_filter); - if (ret) { - pr_warn("Unable to install key filter\n"); - return; - } - pr_info("Using i8042 filter function for receiving events\n"); - } } static const struct key_entry asus_nb_wmi_keymap[] = { @@ -618,6 +625,13 @@ static void asus_nb_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, *code = ASUS_WMI_KEY_IGNORE; break; + case 0x30: /* Volume Up */ + case 0x31: /* Volume Down */ + case 0x32: /* Volume Mute */ + if (atkbd_reports_vol_keys) + *code = ASUS_WMI_KEY_IGNORE; + + break; } } @@ -630,6 +644,7 @@ static struct asus_wmi_driver asus_nb_wmi_driver = { .input_phys = ASUS_NB_WMI_FILE "/input0", .detect_quirks = asus_nb_wmi_quirks, .key_filter = asus_nb_wmi_key_filter, + .i8042_filter = asus_i8042_filter, }; diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 6a79f16233ab..9f7e23c5c6b4 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -16,6 +16,7 @@ #include <linux/acpi.h> #include <linux/backlight.h> #include <linux/debugfs.h> +#include <linux/delay.h> #include <linux/dmi.h> #include <linux/fb.h> #include <linux/hwmon.h> @@ -132,6 +133,11 @@ module_param(fnlock_default, bool, 0444); #define ASUS_SCREENPAD_BRIGHT_MAX 255 #define ASUS_SCREENPAD_BRIGHT_DEFAULT 60 +/* Controls the power state of the USB0 hub on ROG Ally which input is on */ +#define ASUS_USB0_PWR_EC0_CSEE "\\_SB.PCI0.SBRG.EC0.CSEE" +/* 300ms so far seems to produce a reliable result on AC and battery */ +#define ASUS_USB0_PWR_EC0_CSEE_WAIT 300 + static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL }; static int throttle_thermal_policy_write(struct asus_wmi *); @@ -300,6 +306,9 @@ struct asus_wmi { bool fnlock_locked; + /* The ROG Ally device requires the MCU USB device be disconnected before suspend */ + bool ally_mcu_usb_switch; + struct asus_wmi_debug debug; struct asus_wmi_driver *driver; @@ -4488,6 +4497,8 @@ static int asus_wmi_add(struct platform_device *pdev) asus->nv_temp_tgt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_THERM_TARGET); asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD); asus->mini_led_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE); + asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE) + && dmi_match(DMI_BOARD_NAME, "RC71L"); err = fan_boost_mode_check_present(asus); if (err) @@ -4567,6 +4578,12 @@ static int asus_wmi_add(struct platform_device *pdev) goto fail_wmi_handler; } + if (asus->driver->i8042_filter) { + err = i8042_install_filter(asus->driver->i8042_filter); + if (err) + pr_warn("Unable to install key filter - %d\n", err); + } + asus_wmi_battery_init(asus); asus_wmi_debugfs_init(asus); @@ -4603,6 +4620,8 @@ static int asus_wmi_remove(struct platform_device *device) struct asus_wmi *asus; asus = platform_get_drvdata(device); + if (asus->driver->i8042_filter) + i8042_remove_filter(asus->driver->i8042_filter); wmi_remove_notify_handler(asus->driver->event_guid); asus_wmi_backlight_exit(asus); asus_screenpad_exit(asus); @@ -4654,6 +4673,43 @@ static int asus_hotk_resume(struct device *device) asus_wmi_fnlock_update(asus); asus_wmi_tablet_mode_get_state(asus); + + return 0; +} + +static int asus_hotk_resume_early(struct device *device) +{ + struct asus_wmi *asus = dev_get_drvdata(device); + + if (asus->ally_mcu_usb_switch) { + if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB8))) + dev_err(device, "ROG Ally MCU failed to connect USB dev\n"); + else + msleep(ASUS_USB0_PWR_EC0_CSEE_WAIT); + } + return 0; +} + +static int asus_hotk_prepare(struct device *device) +{ + struct asus_wmi *asus = dev_get_drvdata(device); + int result, err; + + if (asus->ally_mcu_usb_switch) { + /* When powersave is enabled it causes many issues with resume of USB hub */ + result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MCU_POWERSAVE); + if (result == 1) { + dev_warn(device, "MCU powersave enabled, disabling to prevent resume issues"); + err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MCU_POWERSAVE, 0, &result); + if (err || result != 1) + dev_err(device, "Failed to set MCU powersave mode: %d\n", err); + } + /* sleep required to ensure USB0 is disabled before sleep continues */ + if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB7))) + dev_err(device, "ROG Ally MCU failed to disconnect USB dev\n"); + else + msleep(ASUS_USB0_PWR_EC0_CSEE_WAIT); + } return 0; } @@ -4701,6 +4757,8 @@ static const struct dev_pm_ops asus_pm_ops = { .thaw = asus_hotk_thaw, .restore = asus_hotk_restore, .resume = asus_hotk_resume, + .resume_early = asus_hotk_resume_early, + .prepare = asus_hotk_prepare, }; /* Registration ***************************************************************/ diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index adb67c925724..cc30f1853847 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -39,6 +39,7 @@ struct quirk_entry { bool wmi_backlight_set_devstate; bool wmi_force_als_set; bool wmi_ignore_fan; + bool filter_i8042_e1_extended_codes; enum asus_wmi_tablet_switch_mode tablet_switch_mode; int wapf; /* @@ -49,9 +50,6 @@ struct quirk_entry { */ int no_display_toggle; u32 xusb2pr; - - bool (*i8042_filter)(unsigned char data, unsigned char str, - struct serio *serio); }; struct asus_wmi_driver { @@ -73,6 +71,9 @@ struct asus_wmi_driver { * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */ void (*key_filter) (struct asus_wmi_driver *driver, int *code, unsigned int *value, bool *autorelease); + /* Optional standard i8042 filter */ + bool (*i8042_filter)(unsigned char data, unsigned char str, + struct serio *serio); int (*probe) (struct platform_device *device); void (*detect_quirks) (struct asus_wmi_driver *driver); diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c index 6fa1735ad7a4..210b0a81b7ec 100644 --- a/drivers/platform/x86/intel/vbtn.c +++ b/drivers/platform/x86/intel/vbtn.c @@ -73,10 +73,10 @@ struct intel_vbtn_priv { bool wakeup_mode; }; -static void detect_tablet_mode(struct platform_device *device) +static void detect_tablet_mode(struct device *dev) { - struct intel_vbtn_priv *priv = dev_get_drvdata(&device->dev); - acpi_handle handle = ACPI_HANDLE(&device->dev); + struct intel_vbtn_priv *priv = dev_get_drvdata(dev); + acpi_handle handle = ACPI_HANDLE(dev); unsigned long long vgbs; acpi_status status; int m; @@ -89,6 +89,8 @@ static void detect_tablet_mode(struct platform_device *device) input_report_switch(priv->switches_dev, SW_TABLET_MODE, m); m = (vgbs & VGBS_DOCK_MODE_FLAG) ? 1 : 0; input_report_switch(priv->switches_dev, SW_DOCK, m); + + input_sync(priv->switches_dev); } /* @@ -134,7 +136,7 @@ static int intel_vbtn_input_setup(struct platform_device *device) priv->switches_dev->id.bustype = BUS_HOST; if (priv->has_switches) { - detect_tablet_mode(device); + detect_tablet_mode(&device->dev); ret = input_register_device(priv->switches_dev); if (ret) @@ -198,6 +200,9 @@ static void notify_handler(acpi_handle handle, u32 event, void *context) autorelease = val && (!ke_rel || ke_rel->type == KE_IGNORE); sparse_keymap_report_event(input_dev, event, val, autorelease); + + /* Some devices need this to report further events */ + acpi_evaluate_object(handle, "VBDL", NULL, NULL); } /* @@ -352,7 +357,13 @@ static void intel_vbtn_pm_complete(struct device *dev) static int intel_vbtn_pm_resume(struct device *dev) { + struct intel_vbtn_priv *priv = dev_get_drvdata(dev); + intel_vbtn_pm_complete(dev); + + if (priv->has_switches) + detect_tablet_mode(dev); + return 0; } diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index 4dfdbfca6841..c66808601fdd 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -590,6 +590,8 @@ static void ips_disable_gpu_turbo(struct ips_driver *ips) * @ips: IPS driver struct * * Check whether the MCP is over its thermal or power budget. + * + * Returns: %true if the temp or power has exceeded its maximum, else %false */ static bool mcp_exceeded(struct ips_driver *ips) { @@ -619,6 +621,8 @@ static bool mcp_exceeded(struct ips_driver *ips) * @cpu: CPU number to check * * Check a given CPU's average temp or power is over its limit. + * + * Returns: %true if the temp or power has exceeded its maximum, else %false */ static bool cpu_exceeded(struct ips_driver *ips, int cpu) { @@ -645,6 +649,8 @@ static bool cpu_exceeded(struct ips_driver *ips, int cpu) * @ips: IPS driver struct * * Check the MCH temp & power against their maximums. + * + * Returns: %true if the temp or power has exceeded its maximum, else %false */ static bool mch_exceeded(struct ips_driver *ips) { @@ -742,12 +748,13 @@ static void update_turbo_limits(struct ips_driver *ips) * - down (at TDP limit) * - adjust both CPU and GPU down if possible * - cpu+ gpu+ cpu+gpu- cpu-gpu+ cpu-gpu- -cpu < gpu < cpu+gpu+ cpu+ gpu+ nothing -cpu < gpu >= cpu+gpu-(mcp<) cpu+gpu-(mcp<) gpu- gpu- -cpu >= gpu < cpu-gpu+(mcp<) cpu- cpu-gpu+(mcp<) cpu- -cpu >= gpu >= cpu-gpu- cpu-gpu- cpu-gpu- cpu-gpu- + * |cpu+ gpu+ cpu+gpu- cpu-gpu+ cpu-gpu- + * cpu < gpu < |cpu+gpu+ cpu+ gpu+ nothing + * cpu < gpu >= |cpu+gpu-(mcp<) cpu+gpu-(mcp<) gpu- gpu- + * cpu >= gpu < |cpu-gpu+(mcp<) cpu- cpu-gpu+(mcp<) cpu- + * cpu >= gpu >=|cpu-gpu- cpu-gpu- cpu-gpu- cpu-gpu- * + * Returns: %0 */ static int ips_adjust(void *data) { @@ -935,11 +942,13 @@ static void monitor_timeout(struct timer_list *t) * @data: ips driver structure * * This is the main function for the IPS driver. It monitors power and - * tempurature in the MCP and adjusts CPU and GPU power clams accordingly. + * temperature in the MCP and adjusts CPU and GPU power clamps accordingly. * - * We keep a 5s moving average of power consumption and tempurature. Using + * We keep a 5s moving average of power consumption and temperature. Using * that data, along with CPU vs GPU preference, we adjust the power clamps * up or down. + * + * Returns: %0 on success or -errno on error */ static int ips_monitor(void *data) { @@ -1146,6 +1155,8 @@ static void dump_thermal_info(struct ips_driver *ips) * Handle temperature limit trigger events, generally by lowering the clamps. * If we're at a critical limit, we clamp back to the lowest possible value * to prevent emergency shutdown. + * + * Returns: IRQ_NONE or IRQ_HANDLED */ static irqreturn_t ips_irq_handler(int irq, void *arg) { @@ -1293,9 +1304,12 @@ static void ips_debugfs_init(struct ips_driver *ips) /** * ips_detect_cpu - detect whether CPU supports IPS + * @ips: IPS driver struct * * Walk our list and see if we're on a supported CPU. If we find one, * return the limits for it. + * + * Returns: the &ips_mcp_limits struct that matches the boot CPU or %NULL */ static struct ips_mcp_limits *ips_detect_cpu(struct ips_driver *ips) { @@ -1352,6 +1366,8 @@ static struct ips_mcp_limits *ips_detect_cpu(struct ips_driver *ips) * monitor and control graphics turbo mode. If we can find them, we can * enable graphics turbo, otherwise we must disable it to avoid exceeding * thermal and power limits in the MCP. + * + * Returns: %true if the required symbols are found, else %false */ static bool ips_get_i915_syms(struct ips_driver *ips) { diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index d0b5fd4137bc..3392ae99ac3f 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -512,10 +512,10 @@ struct tpacpi_quirk { * Iterates over a quirks list until one is found that matches the * ThinkPad's vendor, BIOS and EC model. * - * Returns 0 if nothing matches, otherwise returns the quirks field of + * Returns: %0 if nothing matches, otherwise returns the quirks field of * the matching &struct tpacpi_quirk entry. * - * The match criteria is: vendor, ec and bios much match. + * The match criteria is: vendor, ec and bios must match. */ static unsigned long __init tpacpi_check_quirks( const struct tpacpi_quirk *qlist, @@ -9303,7 +9303,7 @@ static struct tpacpi_battery_driver_data battery_info; /* ACPI helpers/functions/probes */ -/** +/* * This evaluates a ACPI method call specific to the battery * ACPI extension. The specifics are that an error is marked * in the 32rd bit of the response, so we just check that here. diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 5c27b4aa9690..5dd22258cb3b 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -1340,6 +1340,11 @@ static int parse_wdg(struct device *wmi_bus_dev, struct platform_device *pdev) if (debug_dump_wdg) wmi_dump_wdg(&gblock[i]); + if (!gblock[i].instance_count) { + dev_info(wmi_bus_dev, FW_INFO "%pUL has zero instances\n", &gblock[i].guid); + continue; + } + if (guid_already_parsed_for_legacy(device, &gblock[i].guid)) continue; diff --git a/drivers/powercap/dtpm_cpu.c b/drivers/powercap/dtpm_cpu.c index 8a2f18fa3faf..9193c3b8edeb 100644 --- a/drivers/powercap/dtpm_cpu.c +++ b/drivers/powercap/dtpm_cpu.c @@ -140,6 +140,8 @@ static void pd_release(struct dtpm *dtpm) if (policy) { for_each_cpu(dtpm_cpu->cpu, policy->related_cpus) per_cpu(dtpm_per_cpu, dtpm_cpu->cpu) = NULL; + + cpufreq_cpu_put(policy); } kfree(dtpm_cpu); @@ -191,12 +193,16 @@ static int __dtpm_cpu_setup(int cpu, struct dtpm *parent) return 0; pd = em_cpu_get(cpu); - if (!pd || em_is_artificial(pd)) - return -EINVAL; + if (!pd || em_is_artificial(pd)) { + ret = -EINVAL; + goto release_policy; + } dtpm_cpu = kzalloc(sizeof(*dtpm_cpu), GFP_KERNEL); - if (!dtpm_cpu) - return -ENOMEM; + if (!dtpm_cpu) { + ret = -ENOMEM; + goto release_policy; + } dtpm_init(&dtpm_cpu->dtpm, &dtpm_ops); dtpm_cpu->cpu = cpu; @@ -216,6 +222,7 @@ static int __dtpm_cpu_setup(int cpu, struct dtpm *parent) if (ret) goto out_dtpm_unregister; + cpufreq_cpu_put(policy); return 0; out_dtpm_unregister: @@ -227,6 +234,8 @@ out_kfree_dtpm_cpu: per_cpu(dtpm_per_cpu, cpu) = NULL; kfree(dtpm_cpu); +release_policy: + cpufreq_cpu_put(policy); return ret; } diff --git a/drivers/pwm/pwm-bcm2835.c b/drivers/pwm/pwm-bcm2835.c index 9777babd5b95..ab30667f4f95 100644 --- a/drivers/pwm/pwm-bcm2835.c +++ b/drivers/pwm/pwm-bcm2835.c @@ -155,6 +155,8 @@ static int bcm2835_pwm_probe(struct platform_device *pdev) pc->chip.ops = &bcm2835_pwm_ops; pc->chip.npwm = 2; + platform_set_drvdata(pdev, pc); + ret = devm_pwmchip_add(&pdev->dev, &pc->chip); if (ret < 0) return dev_err_probe(&pdev->dev, ret, diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index e48f14ad6dfd..06acb5ff609e 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -2710,6 +2710,7 @@ init_wrb_hndl_failed: kfree(pwrb_context->pwrb_handle_base); kfree(pwrb_context->pwrb_handle_basestd); } + kfree(phwi_ctxt->be_wrbq); return -ENOMEM; } diff --git a/drivers/soundwire/intel_ace2x.c b/drivers/soundwire/intel_ace2x.c index 82672fcbc2aa..8280baa3254b 100644 --- a/drivers/soundwire/intel_ace2x.c +++ b/drivers/soundwire/intel_ace2x.c @@ -23,8 +23,9 @@ static void intel_shim_vs_init(struct sdw_intel *sdw) { void __iomem *shim_vs = sdw->link_res->shim_vs; - u16 act = 0; + u16 act; + act = intel_readw(shim_vs, SDW_SHIM2_INTEL_VS_ACTMCTL); u16p_replace_bits(&act, 0x1, SDW_SHIM2_INTEL_VS_ACTMCTL_DOAIS); act |= SDW_SHIM2_INTEL_VS_ACTMCTL_DACTQE; act |= SDW_SHIM2_INTEL_VS_ACTMCTL_DODS; diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c index 69719b335bcb..f048b3d55b2e 100644 --- a/drivers/soundwire/stream.c +++ b/drivers/soundwire/stream.c @@ -742,14 +742,15 @@ error_1: * sdw_ml_sync_bank_switch: Multilink register bank switch * * @bus: SDW bus instance + * @multi_link: whether this is a multi-link stream with hardware-based sync * * Caller function should free the buffers on error */ -static int sdw_ml_sync_bank_switch(struct sdw_bus *bus) +static int sdw_ml_sync_bank_switch(struct sdw_bus *bus, bool multi_link) { unsigned long time_left; - if (!bus->multi_link) + if (!multi_link) return 0; /* Wait for completion of transfer */ @@ -847,7 +848,7 @@ static int do_bank_switch(struct sdw_stream_runtime *stream) bus->bank_switch_timeout = DEFAULT_BANK_SWITCH_TIMEOUT; /* Check if bank switch was successful */ - ret = sdw_ml_sync_bank_switch(bus); + ret = sdw_ml_sync_bank_switch(bus, multi_link); if (ret < 0) { dev_err(bus->dev, "multi link bank switch failed: %d\n", ret); diff --git a/drivers/tee/optee/device.c b/drivers/tee/optee/device.c index 64f0e047c23d..4b1092127694 100644 --- a/drivers/tee/optee/device.c +++ b/drivers/tee/optee/device.c @@ -60,7 +60,16 @@ static void optee_release_device(struct device *dev) kfree(optee_device); } -static int optee_register_device(const uuid_t *device_uuid) +static ssize_t need_supplicant_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return 0; +} + +static DEVICE_ATTR_RO(need_supplicant); + +static int optee_register_device(const uuid_t *device_uuid, u32 func) { struct tee_client_device *optee_device = NULL; int rc; @@ -83,6 +92,10 @@ static int optee_register_device(const uuid_t *device_uuid) put_device(&optee_device->dev); } + if (func == PTA_CMD_GET_DEVICES_SUPP) + device_create_file(&optee_device->dev, + &dev_attr_need_supplicant); + return rc; } @@ -142,7 +155,7 @@ static int __optee_enumerate_devices(u32 func) num_devices = shm_size / sizeof(uuid_t); for (idx = 0; idx < num_devices; idx++) { - rc = optee_register_device(&device_uuid[idx]); + rc = optee_register_device(&device_uuid[idx], func); if (rc) goto out_shm; } diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index b94f567647cb..e6218766d0c8 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -777,6 +777,7 @@ static const struct acpi_device_id dw8250_acpi_match[] = { { "INT33C5", (kernel_ulong_t)&dw8250_dw_apb }, { "INT3434", (kernel_ulong_t)&dw8250_dw_apb }, { "INT3435", (kernel_ulong_t)&dw8250_dw_apb }, + { "INTC10EE", (kernel_ulong_t)&dw8250_dw_apb }, { }, }; MODULE_DEVICE_TABLE(acpi, dw8250_acpi_match); diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c index 9837a27739fd..e3f482fd3de4 100644 --- a/drivers/tty/serial/8250/8250_early.c +++ b/drivers/tty/serial/8250/8250_early.c @@ -189,5 +189,6 @@ static int __init early_omap8250_setup(struct earlycon_device *device, OF_EARLYCON_DECLARE(omap8250, "ti,omap2-uart", early_omap8250_setup); OF_EARLYCON_DECLARE(omap8250, "ti,omap3-uart", early_omap8250_setup); OF_EARLYCON_DECLARE(omap8250, "ti,omap4-uart", early_omap8250_setup); +OF_EARLYCON_DECLARE(omap8250, "ti,am654-uart", early_omap8250_setup); #endif diff --git a/drivers/tty/serial/8250/8250_omap.c b/drivers/tty/serial/8250/8250_omap.c index 2d42f485c987..578f35895b27 100644 --- a/drivers/tty/serial/8250/8250_omap.c +++ b/drivers/tty/serial/8250/8250_omap.c @@ -933,7 +933,7 @@ static void __dma_rx_do_complete(struct uart_8250_port *p) if (priv->habit & UART_HAS_RHR_IT_DIS) { reg = serial_in(p, UART_OMAP_IER2); reg &= ~UART_OMAP_IER2_RHR_IT_DIS; - serial_out(p, UART_OMAP_IER2, UART_OMAP_IER2_RHR_IT_DIS); + serial_out(p, UART_OMAP_IER2, reg); } dmaengine_tx_status(rxchan, cookie, &state); @@ -1079,7 +1079,7 @@ static int omap_8250_rx_dma(struct uart_8250_port *p) if (priv->habit & UART_HAS_RHR_IT_DIS) { reg = serial_in(p, UART_OMAP_IER2); reg |= UART_OMAP_IER2_RHR_IT_DIS; - serial_out(p, UART_OMAP_IER2, UART_OMAP_IER2_RHR_IT_DIS); + serial_out(p, UART_OMAP_IER2, reg); } dma_async_issue_pending(dma->rxchan); @@ -1298,10 +1298,12 @@ static int omap_8250_dma_handle_irq(struct uart_port *port) status = serial_port_in(port, UART_LSR); - if (priv->habit & UART_HAS_EFR2) - am654_8250_handle_rx_dma(up, iir, status); - else - status = omap_8250_handle_rx_dma(up, iir, status); + if ((iir & 0x3f) != UART_IIR_THRI) { + if (priv->habit & UART_HAS_EFR2) + am654_8250_handle_rx_dma(up, iir, status); + else + status = omap_8250_handle_rx_dma(up, iir, status); + } serial8250_modem_status(up); if (status & UART_LSR_THRE && up->dma->tx_err) { diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 61cc24cd90e4..b7635363373e 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -218,17 +218,18 @@ static struct vendor_data vendor_st = { /* Deals with DMA transactions */ -struct pl011_sgbuf { - struct scatterlist sg; - char *buf; +struct pl011_dmabuf { + dma_addr_t dma; + size_t len; + char *buf; }; struct pl011_dmarx_data { struct dma_chan *chan; struct completion complete; bool use_buf_b; - struct pl011_sgbuf sgbuf_a; - struct pl011_sgbuf sgbuf_b; + struct pl011_dmabuf dbuf_a; + struct pl011_dmabuf dbuf_b; dma_cookie_t cookie; bool running; struct timer_list timer; @@ -241,7 +242,8 @@ struct pl011_dmarx_data { struct pl011_dmatx_data { struct dma_chan *chan; - struct scatterlist sg; + dma_addr_t dma; + size_t len; char *buf; bool queued; }; @@ -366,32 +368,24 @@ static int pl011_fifo_to_tty(struct uart_amba_port *uap) #define PL011_DMA_BUFFER_SIZE PAGE_SIZE -static int pl011_sgbuf_init(struct dma_chan *chan, struct pl011_sgbuf *sg, +static int pl011_dmabuf_init(struct dma_chan *chan, struct pl011_dmabuf *db, enum dma_data_direction dir) { - dma_addr_t dma_addr; - - sg->buf = dma_alloc_coherent(chan->device->dev, - PL011_DMA_BUFFER_SIZE, &dma_addr, GFP_KERNEL); - if (!sg->buf) + db->buf = dma_alloc_coherent(chan->device->dev, PL011_DMA_BUFFER_SIZE, + &db->dma, GFP_KERNEL); + if (!db->buf) return -ENOMEM; - - sg_init_table(&sg->sg, 1); - sg_set_page(&sg->sg, phys_to_page(dma_addr), - PL011_DMA_BUFFER_SIZE, offset_in_page(dma_addr)); - sg_dma_address(&sg->sg) = dma_addr; - sg_dma_len(&sg->sg) = PL011_DMA_BUFFER_SIZE; + db->len = PL011_DMA_BUFFER_SIZE; return 0; } -static void pl011_sgbuf_free(struct dma_chan *chan, struct pl011_sgbuf *sg, +static void pl011_dmabuf_free(struct dma_chan *chan, struct pl011_dmabuf *db, enum dma_data_direction dir) { - if (sg->buf) { + if (db->buf) { dma_free_coherent(chan->device->dev, - PL011_DMA_BUFFER_SIZE, sg->buf, - sg_dma_address(&sg->sg)); + PL011_DMA_BUFFER_SIZE, db->buf, db->dma); } } @@ -552,8 +546,8 @@ static void pl011_dma_tx_callback(void *data) uart_port_lock_irqsave(&uap->port, &flags); if (uap->dmatx.queued) - dma_unmap_sg(dmatx->chan->device->dev, &dmatx->sg, 1, - DMA_TO_DEVICE); + dma_unmap_single(dmatx->chan->device->dev, dmatx->dma, + dmatx->len, DMA_TO_DEVICE); dmacr = uap->dmacr; uap->dmacr = dmacr & ~UART011_TXDMAE; @@ -639,18 +633,19 @@ static int pl011_dma_tx_refill(struct uart_amba_port *uap) memcpy(&dmatx->buf[first], &xmit->buf[0], second); } - dmatx->sg.length = count; - - if (dma_map_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE) != 1) { + dmatx->len = count; + dmatx->dma = dma_map_single(dma_dev->dev, dmatx->buf, count, + DMA_TO_DEVICE); + if (dmatx->dma == DMA_MAPPING_ERROR) { uap->dmatx.queued = false; dev_dbg(uap->port.dev, "unable to map TX DMA\n"); return -EBUSY; } - desc = dmaengine_prep_slave_sg(chan, &dmatx->sg, 1, DMA_MEM_TO_DEV, + desc = dmaengine_prep_slave_single(chan, dmatx->dma, dmatx->len, DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); if (!desc) { - dma_unmap_sg(dma_dev->dev, &dmatx->sg, 1, DMA_TO_DEVICE); + dma_unmap_single(dma_dev->dev, dmatx->dma, dmatx->len, DMA_TO_DEVICE); uap->dmatx.queued = false; /* * If DMA cannot be used right now, we complete this @@ -813,8 +808,8 @@ __acquires(&uap->port.lock) dmaengine_terminate_async(uap->dmatx.chan); if (uap->dmatx.queued) { - dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1, - DMA_TO_DEVICE); + dma_unmap_single(uap->dmatx.chan->device->dev, uap->dmatx.dma, + uap->dmatx.len, DMA_TO_DEVICE); uap->dmatx.queued = false; uap->dmacr &= ~UART011_TXDMAE; pl011_write(uap->dmacr, uap, REG_DMACR); @@ -828,15 +823,15 @@ static int pl011_dma_rx_trigger_dma(struct uart_amba_port *uap) struct dma_chan *rxchan = uap->dmarx.chan; struct pl011_dmarx_data *dmarx = &uap->dmarx; struct dma_async_tx_descriptor *desc; - struct pl011_sgbuf *sgbuf; + struct pl011_dmabuf *dbuf; if (!rxchan) return -EIO; /* Start the RX DMA job */ - sgbuf = uap->dmarx.use_buf_b ? - &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a; - desc = dmaengine_prep_slave_sg(rxchan, &sgbuf->sg, 1, + dbuf = uap->dmarx.use_buf_b ? + &uap->dmarx.dbuf_b : &uap->dmarx.dbuf_a; + desc = dmaengine_prep_slave_single(rxchan, dbuf->dma, dbuf->len, DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | DMA_CTRL_ACK); /* @@ -876,8 +871,8 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, bool readfifo) { struct tty_port *port = &uap->port.state->port; - struct pl011_sgbuf *sgbuf = use_buf_b ? - &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a; + struct pl011_dmabuf *dbuf = use_buf_b ? + &uap->dmarx.dbuf_b : &uap->dmarx.dbuf_a; int dma_count = 0; u32 fifotaken = 0; /* only used for vdbg() */ @@ -886,7 +881,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, if (uap->dmarx.poll_rate) { /* The data can be taken by polling */ - dmataken = sgbuf->sg.length - dmarx->last_residue; + dmataken = dbuf->len - dmarx->last_residue; /* Recalculate the pending size */ if (pending >= dmataken) pending -= dmataken; @@ -900,7 +895,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, * Note that tty_insert_flip_buf() tries to take as many chars * as it can. */ - dma_count = tty_insert_flip_string(port, sgbuf->buf + dmataken, + dma_count = tty_insert_flip_string(port, dbuf->buf + dmataken, pending); uap->port.icount.rx += dma_count; @@ -911,7 +906,7 @@ static void pl011_dma_rx_chars(struct uart_amba_port *uap, /* Reset the last_residue for Rx DMA poll */ if (uap->dmarx.poll_rate) - dmarx->last_residue = sgbuf->sg.length; + dmarx->last_residue = dbuf->len; /* * Only continue with trying to read the FIFO if all DMA chars have @@ -946,8 +941,8 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) { struct pl011_dmarx_data *dmarx = &uap->dmarx; struct dma_chan *rxchan = dmarx->chan; - struct pl011_sgbuf *sgbuf = dmarx->use_buf_b ? - &dmarx->sgbuf_b : &dmarx->sgbuf_a; + struct pl011_dmabuf *dbuf = dmarx->use_buf_b ? + &dmarx->dbuf_b : &dmarx->dbuf_a; size_t pending; struct dma_tx_state state; enum dma_status dmastat; @@ -969,7 +964,7 @@ static void pl011_dma_rx_irq(struct uart_amba_port *uap) pl011_write(uap->dmacr, uap, REG_DMACR); uap->dmarx.running = false; - pending = sgbuf->sg.length - state.residue; + pending = dbuf->len - state.residue; BUG_ON(pending > PL011_DMA_BUFFER_SIZE); /* Then we terminate the transfer - we now know our residue */ dmaengine_terminate_all(rxchan); @@ -996,8 +991,8 @@ static void pl011_dma_rx_callback(void *data) struct pl011_dmarx_data *dmarx = &uap->dmarx; struct dma_chan *rxchan = dmarx->chan; bool lastbuf = dmarx->use_buf_b; - struct pl011_sgbuf *sgbuf = dmarx->use_buf_b ? - &dmarx->sgbuf_b : &dmarx->sgbuf_a; + struct pl011_dmabuf *dbuf = dmarx->use_buf_b ? + &dmarx->dbuf_b : &dmarx->dbuf_a; size_t pending; struct dma_tx_state state; int ret; @@ -1015,7 +1010,7 @@ static void pl011_dma_rx_callback(void *data) * the DMA irq handler. So we check the residue here. */ rxchan->device->device_tx_status(rxchan, dmarx->cookie, &state); - pending = sgbuf->sg.length - state.residue; + pending = dbuf->len - state.residue; BUG_ON(pending > PL011_DMA_BUFFER_SIZE); /* Then we terminate the transfer - we now know our residue */ dmaengine_terminate_all(rxchan); @@ -1067,16 +1062,16 @@ static void pl011_dma_rx_poll(struct timer_list *t) unsigned long flags; unsigned int dmataken = 0; unsigned int size = 0; - struct pl011_sgbuf *sgbuf; + struct pl011_dmabuf *dbuf; int dma_count; struct dma_tx_state state; - sgbuf = dmarx->use_buf_b ? &uap->dmarx.sgbuf_b : &uap->dmarx.sgbuf_a; + dbuf = dmarx->use_buf_b ? &uap->dmarx.dbuf_b : &uap->dmarx.dbuf_a; rxchan->device->device_tx_status(rxchan, dmarx->cookie, &state); if (likely(state.residue < dmarx->last_residue)) { - dmataken = sgbuf->sg.length - dmarx->last_residue; + dmataken = dbuf->len - dmarx->last_residue; size = dmarx->last_residue - state.residue; - dma_count = tty_insert_flip_string(port, sgbuf->buf + dmataken, + dma_count = tty_insert_flip_string(port, dbuf->buf + dmataken, size); if (dma_count == size) dmarx->last_residue = state.residue; @@ -1123,7 +1118,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) return; } - sg_init_one(&uap->dmatx.sg, uap->dmatx.buf, PL011_DMA_BUFFER_SIZE); + uap->dmatx.len = PL011_DMA_BUFFER_SIZE; /* The DMA buffer is now the FIFO the TTY subsystem can use */ uap->port.fifosize = PL011_DMA_BUFFER_SIZE; @@ -1133,7 +1128,7 @@ static void pl011_dma_startup(struct uart_amba_port *uap) goto skip_rx; /* Allocate and map DMA RX buffers */ - ret = pl011_sgbuf_init(uap->dmarx.chan, &uap->dmarx.sgbuf_a, + ret = pl011_dmabuf_init(uap->dmarx.chan, &uap->dmarx.dbuf_a, DMA_FROM_DEVICE); if (ret) { dev_err(uap->port.dev, "failed to init DMA %s: %d\n", @@ -1141,12 +1136,12 @@ static void pl011_dma_startup(struct uart_amba_port *uap) goto skip_rx; } - ret = pl011_sgbuf_init(uap->dmarx.chan, &uap->dmarx.sgbuf_b, + ret = pl011_dmabuf_init(uap->dmarx.chan, &uap->dmarx.dbuf_b, DMA_FROM_DEVICE); if (ret) { dev_err(uap->port.dev, "failed to init DMA %s: %d\n", "RX buffer B", ret); - pl011_sgbuf_free(uap->dmarx.chan, &uap->dmarx.sgbuf_a, + pl011_dmabuf_free(uap->dmarx.chan, &uap->dmarx.dbuf_a, DMA_FROM_DEVICE); goto skip_rx; } @@ -1200,8 +1195,9 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap) /* In theory, this should already be done by pl011_dma_flush_buffer */ dmaengine_terminate_all(uap->dmatx.chan); if (uap->dmatx.queued) { - dma_unmap_sg(uap->dmatx.chan->device->dev, &uap->dmatx.sg, 1, - DMA_TO_DEVICE); + dma_unmap_single(uap->dmatx.chan->device->dev, + uap->dmatx.dma, uap->dmatx.len, + DMA_TO_DEVICE); uap->dmatx.queued = false; } @@ -1212,8 +1208,8 @@ static void pl011_dma_shutdown(struct uart_amba_port *uap) if (uap->using_rx_dma) { dmaengine_terminate_all(uap->dmarx.chan); /* Clean up the RX DMA */ - pl011_sgbuf_free(uap->dmarx.chan, &uap->dmarx.sgbuf_a, DMA_FROM_DEVICE); - pl011_sgbuf_free(uap->dmarx.chan, &uap->dmarx.sgbuf_b, DMA_FROM_DEVICE); + pl011_dmabuf_free(uap->dmarx.chan, &uap->dmarx.dbuf_a, DMA_FROM_DEVICE); + pl011_dmabuf_free(uap->dmarx.chan, &uap->dmarx.dbuf_b, DMA_FROM_DEVICE); if (uap->dmarx.poll_rate) del_timer_sync(&uap->dmarx.timer); uap->using_rx_dma = false; diff --git a/drivers/tty/serial/ma35d1_serial.c b/drivers/tty/serial/ma35d1_serial.c index a6a7c405892e..21b574f78b86 100644 --- a/drivers/tty/serial/ma35d1_serial.c +++ b/drivers/tty/serial/ma35d1_serial.c @@ -552,11 +552,19 @@ static void ma35d1serial_console_putchar(struct uart_port *port, unsigned char c */ static void ma35d1serial_console_write(struct console *co, const char *s, u32 count) { - struct uart_ma35d1_port *up = &ma35d1serial_ports[co->index]; + struct uart_ma35d1_port *up; unsigned long flags; int locked = 1; u32 ier; + if ((co->index < 0) || (co->index >= MA35_UART_NR)) { + pr_warn("Failed to write on ononsole port %x, out of range\n", + co->index); + return; + } + + up = &ma35d1serial_ports[co->index]; + if (up->port.sysrq) locked = 0; else if (oops_in_progress) diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c index db2bb1c0d36c..cf0c6120d30e 100644 --- a/drivers/tty/serial/sc16is7xx.c +++ b/drivers/tty/serial/sc16is7xx.c @@ -766,6 +766,18 @@ static bool sc16is7xx_port_irq(struct sc16is7xx_port *s, int portno) case SC16IS7XX_IIR_RTOI_SRC: case SC16IS7XX_IIR_XOFFI_SRC: rxlen = sc16is7xx_port_read(port, SC16IS7XX_RXLVL_REG); + + /* + * There is a silicon bug that makes the chip report a + * time-out interrupt but no data in the FIFO. This is + * described in errata section 18.1.4. + * + * When this happens, read one byte from the FIFO to + * clear the interrupt. + */ + if (iir == SC16IS7XX_IIR_RTOI_SRC && !rxlen) + rxlen = 1; + if (rxlen) sc16is7xx_handle_rx(port, rxlen, iir); break; diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index ea85e2c701a1..3c8a9dd585c0 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -92,6 +92,7 @@ static void hidg_release(struct device *dev) { struct f_hidg *hidg = container_of(dev, struct f_hidg, dev); + kfree(hidg->report_desc); kfree(hidg->set_report_buf); kfree(hidg); } @@ -1287,9 +1288,9 @@ static struct usb_function *hidg_alloc(struct usb_function_instance *fi) hidg->report_length = opts->report_length; hidg->report_desc_length = opts->report_desc_length; if (opts->report_desc) { - hidg->report_desc = devm_kmemdup(&hidg->dev, opts->report_desc, - opts->report_desc_length, - GFP_KERNEL); + hidg->report_desc = kmemdup(opts->report_desc, + opts->report_desc_length, + GFP_KERNEL); if (!hidg->report_desc) { ret = -ENOMEM; goto err_put_device; diff --git a/drivers/usb/gadget/udc/core.c b/drivers/usb/gadget/udc/core.c index ded9531f141b..d59f94464b87 100644 --- a/drivers/usb/gadget/udc/core.c +++ b/drivers/usb/gadget/udc/core.c @@ -1646,8 +1646,6 @@ static void gadget_unbind_driver(struct device *dev) dev_dbg(&udc->dev, "unbinding gadget driver [%s]\n", driver->function); - kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE); - udc->allow_connect = false; cancel_work_sync(&udc->vbus_work); mutex_lock(&udc->connect_lock); @@ -1667,6 +1665,8 @@ static void gadget_unbind_driver(struct device *dev) driver->is_bound = false; udc->driver = NULL; mutex_unlock(&udc_lock); + + kobject_uevent(&udc->dev.kobj, KOBJ_CHANGE); } /* ------------------------------------------------------------------------- */ diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c index 95ed9404f6f8..d6fc08e5db8f 100644 --- a/drivers/usb/host/xhci-pci.c +++ b/drivers/usb/host/xhci-pci.c @@ -535,8 +535,6 @@ static void xhci_pci_quirks(struct device *dev, struct xhci_hcd *xhci) /* xHC spec requires PCI devices to support D3hot and D3cold */ if (xhci->hci_version >= 0x120) xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; - else if (pdev->vendor == PCI_VENDOR_ID_AMD && xhci->hci_version >= 0x110) - xhci->quirks |= XHCI_DEFAULT_PM_RUNTIME_ALLOW; if (xhci->quirks & XHCI_RESET_ON_RESUME) xhci_dbg_trace(xhci, trace_xhci_dbg_quirks, diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 2e0451bd336e..16a670828dde 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -267,7 +267,7 @@ static void typec_altmode_put_partner(struct altmode *altmode) if (!partner) return; - adev = &partner->adev; + adev = &altmode->adev; if (is_typec_plug(adev->dev.parent)) { struct typec_plug *plug = to_typec_plug(adev->dev.parent); @@ -497,7 +497,8 @@ static void typec_altmode_release(struct device *dev) { struct altmode *alt = to_altmode(to_typec_altmode(dev)); - typec_altmode_put_partner(alt); + if (!is_typec_port(dev->parent)) + typec_altmode_put_partner(alt); altmode_id_remove(alt->adev.dev.parent, alt->id); kfree(alt); diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c index 12ac3397f39b..26ba7da6b410 100644 --- a/drivers/vdpa/mlx5/net/mlx5_vnet.c +++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c @@ -2815,13 +2815,18 @@ static int setup_cvq_vring(struct mlx5_vdpa_dev *mvdev) struct mlx5_control_vq *cvq = &mvdev->cvq; int err = 0; - if (mvdev->actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)) + if (mvdev->actual_features & BIT_ULL(VIRTIO_NET_F_CTRL_VQ)) { + u16 idx = cvq->vring.last_avail_idx; + err = vringh_init_iotlb(&cvq->vring, mvdev->actual_features, MLX5_CVQ_MAX_ENT, false, (struct vring_desc *)(uintptr_t)cvq->desc_addr, (struct vring_avail *)(uintptr_t)cvq->driver_addr, (struct vring_used *)(uintptr_t)cvq->device_addr); + if (!err) + cvq->vring.last_avail_idx = cvq->vring.last_used_idx = idx; + } return err; } diff --git a/drivers/vdpa/pds/debugfs.c b/drivers/vdpa/pds/debugfs.c index 9b04aad6ec35..c328e694f6e7 100644 --- a/drivers/vdpa/pds/debugfs.c +++ b/drivers/vdpa/pds/debugfs.c @@ -261,7 +261,7 @@ void pds_vdpa_debugfs_add_vdpadev(struct pds_vdpa_aux *vdpa_aux) debugfs_create_file("config", 0400, vdpa_aux->dentry, vdpa_aux->pdsv, &config_fops); for (i = 0; i < vdpa_aux->pdsv->num_vqs; i++) { - char name[8]; + char name[16]; snprintf(name, sizeof(name), "vq%02d", i); debugfs_create_file(name, 0400, vdpa_aux->dentry, diff --git a/drivers/vdpa/pds/vdpa_dev.c b/drivers/vdpa/pds/vdpa_dev.c index 52b2449182ad..25c0fe5ec3d5 100644 --- a/drivers/vdpa/pds/vdpa_dev.c +++ b/drivers/vdpa/pds/vdpa_dev.c @@ -318,9 +318,8 @@ static int pds_vdpa_set_driver_features(struct vdpa_device *vdpa_dev, u64 featur return -EOPNOTSUPP; } - pdsv->negotiated_features = nego_features; - driver_features = pds_vdpa_get_driver_features(vdpa_dev); + pdsv->negotiated_features = nego_features; dev_dbg(dev, "%s: %#llx => %#llx\n", __func__, driver_features, nego_features); @@ -461,8 +460,10 @@ static void pds_vdpa_set_status(struct vdpa_device *vdpa_dev, u8 status) pds_vdpa_cmd_set_status(pdsv, status); - /* Note: still working with FW on the need for this reset cmd */ if (status == 0) { + struct vdpa_callback null_cb = { }; + + pds_vdpa_set_config_cb(vdpa_dev, &null_cb); pds_vdpa_cmd_reset(pdsv); for (i = 0; i < pdsv->num_vqs; i++) { |