diff options
| author | Jae Hyun Yoo <jae.hyun.yoo@intel.com> | 2021-07-01 21:49:45 +0300 |
|---|---|---|
| committer | Jae Hyun Yoo <jae.hyun.yoo@intel.com> | 2021-07-01 21:50:09 +0300 |
| commit | 9ec121d97a292628e01462df8f13b017add3b034 (patch) | |
| tree | f1abf6f81c13ce58bf04abf70e75fcbaf96935c3 | |
| parent | ab0d43fcc078edf3123887f9bff1e8ef7d87e641 (diff) | |
| parent | dd1e9367157f900616f0eae3cef897c23d4e7452 (diff) | |
| download | linux-dev-5.10.46-intel.tar.xz | |
Merge branch 'dev-5.10' into dev-5.10-inteldev-5.10.46-intel
This is the 5.10.46 stable release.
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@intel.com>
340 files changed, 4720 insertions, 2041 deletions
diff --git a/Documentation/ABI/testing/dev-raw-kcs b/Documentation/ABI/testing/dev-raw-kcs new file mode 100644 index 000000000000..06e7e2071562 --- /dev/null +++ b/Documentation/ABI/testing/dev-raw-kcs @@ -0,0 +1,25 @@ +What: /dev/raw-kcs* +Date: 2021-02-15 +KernelVersion: 5.13 +Contact: openbmc@lists.ozlabs.org +Contact: openipmi-developer@lists.sourceforge.net +Contact: Andrew Jeffery <andrew@aj.id.au> +Description: ``/dev/raw-kcs*`` exposes to userspace the data and + status registers of Keyboard-Controller-Style (KCS) IPMI + interfaces via read() and write() syscalls. Direct + exposure of the data and status registers enables + inefficient but arbitrary protocols to be implemented + over the device. A typical approach is to use KCS + devices for out-of-band signalling for bulk data + transfers over other interfaces between a Baseboard + Management Controller and its host. + + +--------+--------+---------+ + | Offset | read() | write() | + +--------+--------+---------+ + | 0 | IDR | ODR | + +--------+--------+---------+ + | 1 | STR | STR | + +--------+--------+---------+ + +Users: libmctp: https://github.com/openbmc/libmctp diff --git a/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml new file mode 100644 index 000000000000..6a6e4f6a772c --- /dev/null +++ b/Documentation/devicetree/bindings/ipmi/aspeed,ast2400-kcs-bmc.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ipmi/aspeed,ast2400-kcs-bmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED BMC KCS Devices + +maintainers: + - Andrew Jeffery <andrew@aj.id.au> + +description: | + The Aspeed BMC SoCs typically use the Keyboard-Controller-Style (KCS) + interfaces on the LPC bus for in-band IPMI communication with their host. + +properties: + compatible: + oneOf: + - description: Channel ID derived from reg + items: + enum: + - aspeed,ast2400-kcs-bmc-v2 + - aspeed,ast2500-kcs-bmc-v2 + - aspeed,ast2600-kcs-bmc + + - description: Old-style with explicit channel ID, no reg + deprecated: true + items: + enum: + - aspeed,ast2400-kcs-bmc + - aspeed,ast2500-kcs-bmc + + interrupts: + maxItems: 1 + + reg: + # maxItems: 3 + items: + - description: IDR register + - description: ODR register + - description: STR register + + clocks: + minItems: 1 + + aspeed,lpc-io-reg: + $ref: '/schemas/types.yaml#/definitions/uint32-array' + minItems: 1 + maxItems: 2 + description: | + The host CPU LPC IO data and status addresses for the device. For most + channels the status address is derived from the data address, but the + status address may be optionally provided. + + aspeed,lpc-interrupts: + $ref: "/schemas/types.yaml#/definitions/uint32-array" + minItems: 2 + maxItems: 2 + description: | + A 2-cell property expressing the LPC SerIRQ number and the interrupt + level/sense encoding (specified in the standard fashion). + + Note that the generated interrupt is issued from the BMC to the host, and + thus the target interrupt controller is not captured by the BMC's + devicetree. + + kcs_chan: + deprecated: true + $ref: '/schemas/types.yaml#/definitions/uint32' + description: The LPC channel number in the controller + + kcs_addr: + deprecated: true + $ref: '/schemas/types.yaml#/definitions/uint32' + description: The host CPU IO map address + +required: + - compatible + - interrupts + - clocks + +additionalProperties: false + +allOf: + - if: + properties: + compatible: + contains: + enum: + - aspeed,ast2400-kcs-bmc + - aspeed,ast2500-kcs-bmc + then: + required: + - kcs_chan + - kcs_addr + else: + required: + - reg + - aspeed,lpc-io-reg + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + kcs3: kcs@24 { + compatible = "aspeed,ast2600-kcs-bmc"; + reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>; + aspeed,lpc-io-reg = <0xca2>; + aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>; + interrupts = <8>; + clocks = <&syscon ASPEED_CLK_GATE_LCLK>; + }; diff --git a/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt b/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt deleted file mode 100644 index 45f3277dccbf..000000000000 --- a/Documentation/devicetree/bindings/ipmi/aspeed-kcs-bmc.txt +++ /dev/null @@ -1,38 +0,0 @@ -# Aspeed KCS (Keyboard Controller Style) IPMI interface - -The Aspeed SOCs (AST2400 and AST2500) are commonly used as BMCs -(Baseboard Management Controllers) and the KCS interface can be -used to perform in-band IPMI communication with their host. - -## v1 -Required properties: -- compatible : should be one of - "aspeed,ast2400-kcs-bmc" - "aspeed,ast2500-kcs-bmc" -- interrupts : interrupt generated by the controller -- clocks : contains a phandle to the syscon node describing the clocks. - There should then be one cell representing the clock to use. -- kcs_chan : The LPC channel number in the controller -- kcs_addr : The host CPU IO map address - -## v2 -Required properties: -- compatible : should be one of - "aspeed,ast2400-kcs-bmc-v2" - "aspeed,ast2500-kcs-bmc-v2" -- reg : The address and size of the IDR, ODR and STR registers -- interrupts : interrupt generated by the controller -- aspeed,lpc-io-reg : The host CPU LPC IO address for the device -- clocks : contains a phandle to the syscon node describing the clocks. - There should then be one cell representing the clock to use. - -Example: - - kcs3: kcs@24 { - compatible = "aspeed,ast2500-kcs-bmc-v2"; - reg = <0x24 0x1>, <0x30 0x1>, <0x3c 0x1>; - aspeed,lpc-reg = <0xca2>; - interrupts = <8>; - clocks = <&syscon ASPEED_CLK_GATE_LCLK>; - status = "okay"; - }; diff --git a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml index db61f0731a20..2e35aeaa8781 100644 --- a/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml +++ b/Documentation/devicetree/bindings/sound/amlogic,gx-sound-card.yaml @@ -57,7 +57,7 @@ patternProperties: rate sound-dai: - $ref: /schemas/types.yaml#/definitions/phandle + $ref: /schemas/types.yaml#/definitions/phandle-array description: phandle of the CPU DAI patternProperties: @@ -71,7 +71,7 @@ patternProperties: properties: sound-dai: - $ref: /schemas/types.yaml#/definitions/phandle + $ref: /schemas/types.yaml#/definitions/phandle-array description: phandle of the codec DAI required: diff --git a/Documentation/virt/kvm/mmu.rst b/Documentation/virt/kvm/mmu.rst index 5bfe28b0728e..20d85daed395 100644 --- a/Documentation/virt/kvm/mmu.rst +++ b/Documentation/virt/kvm/mmu.rst @@ -171,8 +171,8 @@ Shadow pages contain the following information: shadow pages) so role.quadrant takes values in the range 0..3. Each quadrant maps 1GB virtual address space. role.access: - Inherited guest access permissions in the form uwx. Note execute - permission is positive, not negative. + Inherited guest access permissions from the parent ptes in the form uwx. + Note execute permission is positive, not negative. role.invalid: The page is invalid and should not be used. It is a root page that is currently pinned (by a cpu hardware register pointing to it); once it is diff --git a/Documentation/vm/slub.rst b/Documentation/vm/slub.rst index 03f294a638bd..d3028554b1e9 100644 --- a/Documentation/vm/slub.rst +++ b/Documentation/vm/slub.rst @@ -181,7 +181,7 @@ SLUB Debug output Here is a sample of slub debug output:: ==================================================================== - BUG kmalloc-8: Redzone overwritten + BUG kmalloc-8: Right Redzone overwritten -------------------------------------------------------------------- INFO: 0xc90f6d28-0xc90f6d2b. First byte 0x00 instead of 0xcc @@ -189,10 +189,10 @@ Here is a sample of slub debug output:: INFO: Object 0xc90f6d20 @offset=3360 fp=0xc90f6d58 INFO: Allocated in get_modalias+0x61/0xf5 age=53 cpu=1 pid=554 - Bytes b4 0xc90f6d10: 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ - Object 0xc90f6d20: 31 30 31 39 2e 30 30 35 1019.005 - Redzone 0xc90f6d28: 00 cc cc cc . - Padding 0xc90f6d50: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ + Bytes b4 (0xc90f6d10): 00 00 00 00 00 00 00 00 5a 5a 5a 5a 5a 5a 5a 5a ........ZZZZZZZZ + Object (0xc90f6d20): 31 30 31 39 2e 30 30 35 1019.005 + Redzone (0xc90f6d28): 00 cc cc cc . + Padding (0xc90f6d50): 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ [<c010523d>] dump_trace+0x63/0x1eb [<c01053df>] show_trace_log_lvl+0x1a/0x2f @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 5 PATCHLEVEL = 10 -SUBLEVEL = 43 +SUBLEVEL = 46 EXTRAVERSION = NAME = Dare mighty things diff --git a/arch/arc/include/uapi/asm/sigcontext.h b/arch/arc/include/uapi/asm/sigcontext.h index 95f8a4380e11..7a5449dfcb29 100644 --- a/arch/arc/include/uapi/asm/sigcontext.h +++ b/arch/arc/include/uapi/asm/sigcontext.h @@ -18,6 +18,7 @@ */ struct sigcontext { struct user_regs_struct regs; + struct user_regs_arcv2 v2abi; }; #endif /* _ASM_ARC_SIGCONTEXT_H */ diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c index 98e575dbcce5..9d5996e014c0 100644 --- a/arch/arc/kernel/signal.c +++ b/arch/arc/kernel/signal.c @@ -61,6 +61,41 @@ struct rt_sigframe { unsigned int sigret_magic; }; +static int save_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs) +{ + int err = 0; +#ifndef CONFIG_ISA_ARCOMPACT + struct user_regs_arcv2 v2abi; + + v2abi.r30 = regs->r30; +#ifdef CONFIG_ARC_HAS_ACCL_REGS + v2abi.r58 = regs->r58; + v2abi.r59 = regs->r59; +#else + v2abi.r58 = v2abi.r59 = 0; +#endif + err = __copy_to_user(&mctx->v2abi, &v2abi, sizeof(v2abi)); +#endif + return err; +} + +static int restore_arcv2_regs(struct sigcontext *mctx, struct pt_regs *regs) +{ + int err = 0; +#ifndef CONFIG_ISA_ARCOMPACT + struct user_regs_arcv2 v2abi; + + err = __copy_from_user(&v2abi, &mctx->v2abi, sizeof(v2abi)); + + regs->r30 = v2abi.r30; +#ifdef CONFIG_ARC_HAS_ACCL_REGS + regs->r58 = v2abi.r58; + regs->r59 = v2abi.r59; +#endif +#endif + return err; +} + static int stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs, sigset_t *set) @@ -94,6 +129,10 @@ stash_usr_regs(struct rt_sigframe __user *sf, struct pt_regs *regs, err = __copy_to_user(&(sf->uc.uc_mcontext.regs.scratch), &uregs.scratch, sizeof(sf->uc.uc_mcontext.regs.scratch)); + + if (is_isa_arcv2()) + err |= save_arcv2_regs(&(sf->uc.uc_mcontext), regs); + err |= __copy_to_user(&sf->uc.uc_sigmask, set, sizeof(sigset_t)); return err ? -EFAULT : 0; @@ -109,6 +148,10 @@ static int restore_usr_regs(struct pt_regs *regs, struct rt_sigframe __user *sf) err |= __copy_from_user(&uregs.scratch, &(sf->uc.uc_mcontext.regs.scratch), sizeof(sf->uc.uc_mcontext.regs.scratch)); + + if (is_isa_arcv2()) + err |= restore_arcv2_regs(&(sf->uc.uc_mcontext), regs); + if (err) return -EFAULT; diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts index d26a9e16ff7c..7aaa92395b35 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-everest.dts @@ -406,9 +406,9 @@ reg = <0x69>; }; - power-supply@6a { + power-supply@6d { compatible = "ibm,cffps"; - reg = <0x6a>; + reg = <0x6d>; }; power-supply@6b { @@ -2832,6 +2832,7 @@ &emmc { status = "okay"; + clk-phase-mmc-hs200 = <180>, <180>; }; &fsim0 { @@ -4049,11 +4050,6 @@ memory-region = <&flash_memory>; }; -&kcs4 { - compatible = "openbmc,mctp-lpc"; - status = "okay"; -}; - &mac2 { status = "okay"; pinctrl-names = "default"; @@ -4092,3 +4088,14 @@ status = "okay"; memory-region = <&vga_memory>; }; + +&kcs2 { + status = "okay"; + aspeed,lpc-io-reg = <0xca8 0xcac>; +}; + +&kcs3 { + status = "okay"; + aspeed,lpc-io-reg = <0xca2>; + aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>; +}; diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts index 73e94be5424b..728855c5cb90 100644 --- a/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-rainier.dts @@ -116,34 +116,6 @@ }; }; - gpio-keys { - compatible = "gpio-keys"; - - ps0-presence { - label = "ps0-presence"; - gpios = <&gpio0 ASPEED_GPIO(S, 0) GPIO_ACTIVE_LOW>; - linux,code = <ASPEED_GPIO(S, 0)>; - }; - - ps1-presence { - label = "ps1-presence"; - gpios = <&gpio0 ASPEED_GPIO(S, 1) GPIO_ACTIVE_LOW>; - linux,code = <ASPEED_GPIO(S, 1)>; - }; - - ps2-presence { - label = "ps2-presence"; - gpios = <&gpio0 ASPEED_GPIO(S, 2) GPIO_ACTIVE_LOW>; - linux,code = <ASPEED_GPIO(S, 2)>; - }; - - ps3-presence { - label = "ps3-presence"; - gpios = <&gpio0 ASPEED_GPIO(S, 3) GPIO_ACTIVE_LOW>; - linux,code = <ASPEED_GPIO(S, 3)>; - }; - }; - i2c2mux: i2cmux { compatible = "i2c-mux-gpio"; #address-cells = <1>; @@ -280,10 +252,7 @@ /*W0-W7*/ "","","","","","","","", /*X0-X7*/ "","","","","","","","", /*Y0-Y7*/ "","","","","","","","", - /*Z0-Z7*/ "","","","","","","","", - /*AA0-AA7*/ "","","","","","","","", - /*AB0-AB7*/ "","","","","","","","", - /*AC0-AC7*/ "","","","","","","",""; + /*Z0-Z7*/ "","","","","","","",""; pin_mclr_vpp { gpio-hog; @@ -310,6 +279,7 @@ &emmc { status = "okay"; + clk-phase-mmc-hs200 = <180>, <180>; }; &fsim0 { @@ -1717,11 +1687,6 @@ memory-region = <&flash_memory>; }; -&kcs4 { - compatible = "openbmc,mctp-lpc"; - status = "okay"; -}; - &mac2 { status = "okay"; pinctrl-names = "default"; @@ -1784,3 +1749,14 @@ status = "okay"; memory-region = <&vga_memory>; }; + +&kcs2 { + status = "okay"; + aspeed,lpc-io-reg = <0xca8 0xcac>; +}; + +&kcs3 { + status = "okay"; + aspeed,lpc-io-reg = <0xca2>; + aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>; +}; diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts index 6b8930eeb90e..a3193bc62559 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-tacoma.dts @@ -136,10 +136,7 @@ /*W0-W7*/ "","","","","","","","", /*X0-X7*/ "","","","","","","","", /*Y0-Y7*/ "","","","","","","","", - /*Z0-Z7*/ "","","","","","","","", - /*AA0-AA7*/ "","","","","","","","", - /*AB0-AB7*/ "","","","","","","","", - /*AC0-AC7*/ "","","","","","","",""; + /*Z0-Z7*/ "","","","","","","",""; }; &fmc { @@ -189,6 +186,7 @@ &emmc { status = "okay"; + clk-phase-mmc-hs200 = <36>, <270>; }; &fsim0 { diff --git a/arch/arm/configs/aspeed_g5_defconfig b/arch/arm/configs/aspeed_g5_defconfig index abc4629256fc..41ef7aec990f 100644 --- a/arch/arm/configs/aspeed_g5_defconfig +++ b/arch/arm/configs/aspeed_g5_defconfig @@ -111,7 +111,6 @@ CONFIG_MTD_UBI_FASTMAP=y CONFIG_MTD_UBI_BLOCK=y CONFIG_BLK_DEV_LOOP=y CONFIG_BLK_DEV_NBD=y -CONFIG_MCTP_LPC=y CONFIG_EEPROM_AT24=y CONFIG_EEPROM_AT25=y CONFIG_MD=y @@ -165,7 +164,7 @@ CONFIG_KEYBOARD_GPIO_POLLED=y # CONFIG_INPUT_MOUSE is not set CONFIG_INPUT_MISC=y CONFIG_INPUT_IBM_PANEL=y -# CONFIG_SERIO is not set +CONFIG_SERIO_RAW=y # CONFIG_VT is not set # CONFIG_LEGACY_PTYS is not set CONFIG_SERIAL_8250=y @@ -179,6 +178,8 @@ CONFIG_SERIAL_8250_SHARE_IRQ=y CONFIG_SERIAL_8250_DW=y CONFIG_SERIAL_OF_PLATFORM=y CONFIG_ASPEED_KCS_IPMI_BMC=y +CONFIG_IPMI_KCS_BMC_SERIO=y +CONFIG_IPMI_KCS_BMC_CDEV_RAW=y CONFIG_ASPEED_BT_IPMI_BMC=y CONFIG_HW_RANDOM=y CONFIG_HW_RANDOM_TIMERIOMEM=y diff --git a/arch/arm/include/asm/cpuidle.h b/arch/arm/include/asm/cpuidle.h index 0d67ed682e07..bc4ffa7ca04c 100644 --- a/arch/arm/include/asm/cpuidle.h +++ b/arch/arm/include/asm/cpuidle.h @@ -7,9 +7,11 @@ #ifdef CONFIG_CPU_IDLE extern int arm_cpuidle_simple_enter(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); +#define __cpuidle_method_section __used __section("__cpuidle_method_of_table") #else static inline int arm_cpuidle_simple_enter(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { return -ENODEV; } +#define __cpuidle_method_section __maybe_unused /* drop silently */ #endif /* Common ARM WFI state */ @@ -42,8 +44,7 @@ struct of_cpuidle_method { #define CPUIDLE_METHOD_OF_DECLARE(name, _method, _ops) \ static const struct of_cpuidle_method __cpuidle_method_of_table_##name \ - __used __section("__cpuidle_method_of_table") \ - = { .method = _method, .ops = _ops } + __cpuidle_method_section = { .method = _method, .ops = _ops } extern int arm_cpuidle_suspend(int index); diff --git a/arch/arm/mach-omap1/pm.c b/arch/arm/mach-omap1/pm.c index 2c1e2b32b9b3..a745d64d4699 100644 --- a/arch/arm/mach-omap1/pm.c +++ b/arch/arm/mach-omap1/pm.c @@ -655,9 +655,13 @@ static int __init omap_pm_init(void) irq = INT_7XX_WAKE_UP_REQ; else if (cpu_is_omap16xx()) irq = INT_1610_WAKE_UP_REQ; - if (request_irq(irq, omap_wakeup_interrupt, 0, "peripheral wakeup", - NULL)) - pr_err("Failed to request irq %d (peripheral wakeup)\n", irq); + else + irq = -1; + + if (irq >= 0) { + if (request_irq(irq, omap_wakeup_interrupt, 0, "peripheral wakeup", NULL)) + pr_err("Failed to request irq %d (peripheral wakeup)\n", irq); + } /* Program new power ramp-up time * (0 for most boards since we don't lower voltage when in deep sleep) diff --git a/arch/arm/mach-omap2/board-n8x0.c b/arch/arm/mach-omap2/board-n8x0.c index 418a61ecb827..5e86145db0e2 100644 --- a/arch/arm/mach-omap2/board-n8x0.c +++ b/arch/arm/mach-omap2/board-n8x0.c @@ -322,6 +322,7 @@ static int n8x0_mmc_get_cover_state(struct device *dev, int slot) static void n8x0_mmc_callback(void *data, u8 card_mask) { +#ifdef CONFIG_MMC_OMAP int bit, *openp, index; if (board_is_n800()) { @@ -339,7 +340,6 @@ static void n8x0_mmc_callback(void *data, u8 card_mask) else *openp = 0; -#ifdef CONFIG_MMC_OMAP omap_mmc_notify_cover_event(mmc_device, index, *openp); #else pr_warn("MMC: notify cover event not available\n"); diff --git a/arch/mips/lib/mips-atomic.c b/arch/mips/lib/mips-atomic.c index de03838b343b..a9b72eacfc0b 100644 --- a/arch/mips/lib/mips-atomic.c +++ b/arch/mips/lib/mips-atomic.c @@ -37,7 +37,7 @@ */ notrace void arch_local_irq_disable(void) { - preempt_disable(); + preempt_disable_notrace(); __asm__ __volatile__( " .set push \n" @@ -53,7 +53,7 @@ notrace void arch_local_irq_disable(void) : /* no inputs */ : "memory"); - preempt_enable(); + preempt_enable_notrace(); } EXPORT_SYMBOL(arch_local_irq_disable); @@ -61,7 +61,7 @@ notrace unsigned long arch_local_irq_save(void) { unsigned long flags; - preempt_disable(); + preempt_disable_notrace(); __asm__ __volatile__( " .set push \n" @@ -78,7 +78,7 @@ notrace unsigned long arch_local_irq_save(void) : /* no inputs */ : "memory"); - preempt_enable(); + preempt_enable_notrace(); return flags; } @@ -88,7 +88,7 @@ notrace void arch_local_irq_restore(unsigned long flags) { unsigned long __tmp1; - preempt_disable(); + preempt_disable_notrace(); __asm__ __volatile__( " .set push \n" @@ -106,7 +106,7 @@ notrace void arch_local_irq_restore(unsigned long flags) : "0" (flags) : "memory"); - preempt_enable(); + preempt_enable_notrace(); } EXPORT_SYMBOL(arch_local_irq_restore); diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index 1b4aafc1f6a2..9716a0484ecf 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -122,7 +122,15 @@ }; /include/ "pq3-i2c-0.dtsi" + i2c@3000 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-i2c-1.dtsi" + i2c@3100 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-duart-0.dtsi" /include/ "pq3-espi-0.dtsi" spi0: spi@7000 { diff --git a/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi b/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi index 872e4485dc3f..ddc018d42252 100644 --- a/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p2041si-post.dtsi @@ -371,7 +371,23 @@ }; /include/ "qoriq-i2c-0.dtsi" + i2c@118000 { + fsl,i2c-erratum-a004447; + }; + + i2c@118100 { + fsl,i2c-erratum-a004447; + }; + /include/ "qoriq-i2c-1.dtsi" + i2c@119000 { + fsl,i2c-erratum-a004447; + }; + + i2c@119100 { + fsl,i2c-erratum-a004447; + }; + /include/ "qoriq-duart-0.dtsi" /include/ "qoriq-duart-1.dtsi" /include/ "qoriq-gpio-0.dtsi" diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 0289a97325d1..e241e0e85ac8 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -36,6 +36,15 @@ else KBUILD_LDFLAGS += -melf32lriscv endif +ifeq ($(CONFIG_LD_IS_LLD),y) + KBUILD_CFLAGS += -mno-relax + KBUILD_AFLAGS += -mno-relax +ifneq ($(LLVM_IAS),1) + KBUILD_CFLAGS += -Wa,-mno-relax + KBUILD_AFLAGS += -Wa,-mno-relax +endif +endif + # ISA string setting riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S index 81c458e996d9..963e8cb936e2 100644 --- a/arch/s390/kernel/entry.S +++ b/arch/s390/kernel/entry.S @@ -1284,7 +1284,7 @@ ENDPROC(stack_overflow) je 1f larl %r13,.Lsie_entry slgr %r9,%r13 - larl %r13,.Lsie_skip + lghi %r13,.Lsie_skip - .Lsie_entry clgr %r9,%r13 jh 1f oi __LC_CPU_FLAGS+7, _CIF_MCCK_GUEST diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index 3112186a4f4b..16159950fcf5 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -5067,9 +5067,10 @@ static struct intel_uncore_type icx_uncore_m2m = { .perf_ctr = SNR_M2M_PCI_PMON_CTR0, .event_ctl = SNR_M2M_PCI_PMON_CTL0, .event_mask = SNBEP_PMON_RAW_EVENT_MASK, + .event_mask_ext = SNR_M2M_PCI_PMON_UMASK_EXT, .box_ctl = SNR_M2M_PCI_PMON_BOX_CTL, .ops = &snr_m2m_uncore_pci_ops, - .format_group = &skx_uncore_format_group, + .format_group = &snr_m2m_uncore_format_group, }; static struct attribute *icx_upi_uncore_formats_attr[] = { diff --git a/arch/x86/include/asm/fpu/internal.h b/arch/x86/include/asm/fpu/internal.h index ceeba9f63172..fdee23ea4e17 100644 --- a/arch/x86/include/asm/fpu/internal.h +++ b/arch/x86/include/asm/fpu/internal.h @@ -578,10 +578,17 @@ static inline void switch_fpu_finish(struct fpu *new_fpu) * PKRU state is switched eagerly because it needs to be valid before we * return to userland e.g. for a copy_to_user() operation. */ - if (current->mm) { + if (!(current->flags & PF_KTHREAD)) { + /* + * If the PKRU bit in xsave.header.xfeatures is not set, + * then the PKRU component was in init state, which means + * XRSTOR will set PKRU to 0. If the bit is not set then + * get_xsave_addr() will return NULL because the PKRU value + * in memory is not valid. This means pkru_val has to be + * set to 0 and not to init_pkru_value. + */ pk = get_xsave_addr(&new_fpu->state.xsave, XFEATURE_PKRU); - if (pk) - pkru_val = pk->pkru; + pkru_val = pk ? pk->pkru : 0; } __write_pkru(pkru_val); } diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c index a5ee607a3b89..a548d9104604 100644 --- a/arch/x86/kernel/cpu/perfctr-watchdog.c +++ b/arch/x86/kernel/cpu/perfctr-watchdog.c @@ -63,7 +63,7 @@ static inline unsigned int nmi_perfctr_msr_to_bit(unsigned int msr) case 15: return msr - MSR_P4_BPU_PERFCTR0; } - fallthrough; + break; case X86_VENDOR_ZHAOXIN: case X86_VENDOR_CENTAUR: return msr - MSR_ARCH_PERFMON_PERFCTR0; @@ -96,7 +96,7 @@ static inline unsigned int nmi_evntsel_msr_to_bit(unsigned int msr) case 15: return msr - MSR_P4_BSU_ESCR0; } - fallthrough; + break; case X86_VENDOR_ZHAOXIN: case X86_VENDOR_CENTAUR: return msr - MSR_ARCH_PERFMON_EVENTSEL0; diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c index a4ec65317a7f..ec3ae3054792 100644 --- a/arch/x86/kernel/fpu/signal.c +++ b/arch/x86/kernel/fpu/signal.c @@ -307,13 +307,17 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) return 0; } - if (!access_ok(buf, size)) - return -EACCES; + if (!access_ok(buf, size)) { + ret = -EACCES; + goto out; + } - if (!static_cpu_has(X86_FEATURE_FPU)) - return fpregs_soft_set(current, NULL, - 0, sizeof(struct user_i387_ia32_struct), - NULL, buf) != 0; + if (!static_cpu_has(X86_FEATURE_FPU)) { + ret = fpregs_soft_set(current, NULL, 0, + sizeof(struct user_i387_ia32_struct), + NULL, buf); + goto out; + } if (use_xsave()) { struct _fpx_sw_bytes fx_sw_user; @@ -369,6 +373,25 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) fpregs_unlock(); return 0; } + + /* + * The above did an FPU restore operation, restricted to + * the user portion of the registers, and failed, but the + * microcode might have modified the FPU registers + * nevertheless. + * + * If the FPU registers do not belong to current, then + * invalidate the FPU register state otherwise the task might + * preempt current and return to user space with corrupted + * FPU registers. + * + * In case current owns the FPU registers then no further + * action is required. The fixup below will handle it + * correctly. + */ + if (test_thread_flag(TIF_NEED_FPU_LOAD)) + __cpu_invalidate_fpregs_state(); + fpregs_unlock(); } else { /* @@ -377,7 +400,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) */ ret = __copy_from_user(&env, buf, sizeof(env)); if (ret) - goto err_out; + goto out; envp = &env; } @@ -405,16 +428,9 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) if (use_xsave() && !fx_only) { u64 init_bv = xfeatures_mask_user() & ~user_xfeatures; - if (using_compacted_format()) { - ret = copy_user_to_xstate(&fpu->state.xsave, buf_fx); - } else { - ret = __copy_from_user(&fpu->state.xsave, buf_fx, state_size); - - if (!ret && state_size > offsetof(struct xregs_state, header)) - ret = validate_user_xstate_header(&fpu->state.xsave.header); - } + ret = copy_user_to_xstate(&fpu->state.xsave, buf_fx); if (ret) - goto err_out; + goto out; sanitize_restored_user_xstate(&fpu->state, envp, user_xfeatures, fx_only); @@ -434,7 +450,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) ret = __copy_from_user(&fpu->state.fxsave, buf_fx, state_size); if (ret) { ret = -EFAULT; - goto err_out; + goto out; } sanitize_restored_user_xstate(&fpu->state, envp, user_xfeatures, @@ -452,7 +468,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) } else { ret = __copy_from_user(&fpu->state.fsave, buf_fx, state_size); if (ret) - goto err_out; + goto out; fpregs_lock(); ret = copy_kernel_to_fregs_err(&fpu->state.fsave); @@ -463,7 +479,7 @@ static int __fpu__restore_sig(void __user *buf, void __user *buf_fx, int size) fpregs_deactivate(fpu); fpregs_unlock(); -err_out: +out: if (ret) fpu__clear_user_states(fpu); return ret; diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c index 5759eb075d2f..677d21082454 100644 --- a/arch/x86/kvm/lapic.c +++ b/arch/x86/kvm/lapic.c @@ -1405,6 +1405,9 @@ int kvm_lapic_reg_read(struct kvm_lapic *apic, u32 offset, int len, if (!apic_x2apic_mode(apic)) valid_reg_mask |= APIC_REG_MASK(APIC_ARBPRI); + if (alignment + len > 4) + return 1; + if (offset > 0x3f0 || !(valid_reg_mask & APIC_REG_MASK(offset))) return 1; diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c index ac5054763e38..6b794344c02d 100644 --- a/arch/x86/kvm/mmu/mmu.c +++ b/arch/x86/kvm/mmu/mmu.c @@ -4705,9 +4705,33 @@ static void init_kvm_softmmu(struct kvm_vcpu *vcpu) context->inject_page_fault = kvm_inject_page_fault; } +static union kvm_mmu_role kvm_calc_nested_mmu_role(struct kvm_vcpu *vcpu) +{ + union kvm_mmu_role role = kvm_calc_shadow_root_page_role_common(vcpu, false); + + /* + * Nested MMUs are used only for walking L2's gva->gpa, they never have + * shadow pages of their own and so "direct" has no meaning. Set it + * to "true" to try to detect bogus usage of the nested MMU. + */ + role.base.direct = true; + + if (!is_paging(vcpu)) + role.base.level = 0; + else if (is_long_mode(vcpu)) + role.base.level = is_la57_mode(vcpu) ? PT64_ROOT_5LEVEL : + PT64_ROOT_4LEVEL; + else if (is_pae(vcpu)) + role.base.level = PT32E_ROOT_LEVEL; + else + role.base.level = PT32_ROOT_LEVEL; + + return role; +} + static void init_kvm_nested_mmu(struct kvm_vcpu *vcpu) { - union kvm_mmu_role new_role = kvm_calc_mmu_role_common(vcpu, false); + union kvm_mmu_role new_role = kvm_calc_nested_mmu_role(vcpu); struct kvm_mmu *g_context = &vcpu->arch.nested_mmu; if (new_role.as_u64 == g_context->mmu_role.as_u64) diff --git a/arch/x86/kvm/mmu/paging_tmpl.h b/arch/x86/kvm/mmu/paging_tmpl.h index 50e268eb8e1a..00a0bfaed6e8 100644 --- a/arch/x86/kvm/mmu/paging_tmpl.h +++ b/arch/x86/kvm/mmu/paging_tmpl.h @@ -90,8 +90,8 @@ struct guest_walker { gpa_t pte_gpa[PT_MAX_FULL_LEVELS]; pt_element_t __user *ptep_user[PT_MAX_FULL_LEVELS]; bool pte_writable[PT_MAX_FULL_LEVELS]; - unsigned pt_access; - unsigned pte_access; + unsigned int pt_access[PT_MAX_FULL_LEVELS]; + unsigned int pte_access; gfn_t gfn; struct x86_exception fault; }; @@ -418,13 +418,15 @@ retry_walk: } walker->ptes[walker->level - 1] = pte; + + /* Convert to ACC_*_MASK flags for struct guest_walker. */ + walker->pt_access[walker->level - 1] = FNAME(gpte_access)(pt_access ^ walk_nx_mask); } while (!is_last_gpte(mmu, walker->level, pte)); pte_pkey = FNAME(gpte_pkeys)(vcpu, pte); accessed_dirty = have_ad ? pte_access & PT_GUEST_ACCESSED_MASK : 0; /* Convert to ACC_*_MASK flags for struct guest_walker. */ - walker->pt_access = FNAME(gpte_access)(pt_access ^ walk_nx_mask); walker->pte_access = FNAME(gpte_access)(pte_access ^ walk_nx_mask); errcode = permission_fault(vcpu, mmu, walker->pte_access, pte_pkey, access); if (unlikely(errcode)) @@ -463,7 +465,8 @@ retry_walk: } pgprintk("%s: pte %llx pte_access %x pt_access %x\n", - __func__, (u64)pte, walker->pte_access, walker->pt_access); + __func__, (u64)pte, walker->pte_access, + walker->pt_access[walker->level - 1]); return 1; error: @@ -635,7 +638,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gpa_t addr, bool huge_page_disallowed = exec && nx_huge_page_workaround_enabled; struct kvm_mmu_page *sp = NULL; struct kvm_shadow_walk_iterator it; - unsigned direct_access, access = gw->pt_access; + unsigned int direct_access, access; int top_level, level, req_level, ret; gfn_t base_gfn = gw->gfn; @@ -667,6 +670,7 @@ static int FNAME(fetch)(struct kvm_vcpu *vcpu, gpa_t addr, sp = NULL; if (!is_shadow_present_pte(*it.sptep)) { table_gfn = gw->table_gfn[it.level - 2]; + access = gw->pt_access[it.level - 2]; sp = kvm_mmu_get_page(vcpu, table_gfn, addr, it.level-1, false, access); } diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h index aef960f90f26..a2835d784f4b 100644 --- a/arch/x86/kvm/trace.h +++ b/arch/x86/kvm/trace.h @@ -1514,16 +1514,16 @@ TRACE_EVENT(kvm_nested_vmenter_failed, TP_ARGS(msg, err), TP_STRUCT__entry( - __field(const char *, msg) + __string(msg, msg) __field(u32, err) ), TP_fast_assign( - __entry->msg = msg; + __assign_str(msg, msg); __entry->err = err; ), - TP_printk("%s%s", __entry->msg, !__entry->err ? "" : + TP_printk("%s%s", __get_str(msg), !__entry->err ? "" : __print_symbolic(__entry->err, VMX_VMENTER_INSTRUCTION_ERRORS)) ); diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 109041630d30..d3372cb97307 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -6876,7 +6876,10 @@ static unsigned emulator_get_hflags(struct x86_emulate_ctxt *ctxt) static void emulator_set_hflags(struct x86_emulate_ctxt *ctxt, unsigned emul_flags) { - emul_to_vcpu(ctxt)->arch.hflags = emul_flags; + struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt); + + vcpu->arch.hflags = emul_flags; + kvm_mmu_reset_context(vcpu); } static int emulator_pre_leave_smm(struct x86_emulate_ctxt *ctxt, @@ -8018,6 +8021,7 @@ void kvm_arch_exit(void) kvm_x86_ops.hardware_enable = NULL; kvm_mmu_module_exit(); free_percpu(user_return_msrs); + kmem_cache_destroy(x86_emulator_cache); kmem_cache_destroy(x86_fpu_cache); } diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 9e5ccc56f8e0..356b746dfbe7 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -118,7 +118,9 @@ static void __ioremap_check_other(resource_size_t addr, struct ioremap_desc *des if (!IS_ENABLED(CONFIG_EFI)) return; - if (efi_mem_type(addr) == EFI_RUNTIME_SERVICES_DATA) + if (efi_mem_type(addr) == EFI_RUNTIME_SERVICES_DATA || + (efi_mem_type(addr) == EFI_BOOT_SERVICES_DATA && + efi_mem_attributes(addr) & EFI_MEMORY_RUNTIME)) desc->flags |= IORES_MAP_ENCRYPTED; } diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 5eb4dc2b97da..e94da744386f 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -254,7 +254,13 @@ int __init numa_cleanup_meminfo(struct numa_meminfo *mi) /* make sure all non-reserved blocks are inside the limits */ bi->start = max(bi->start, low); - bi->end = min(bi->end, high); + + /* preserve info for non-RAM areas above 'max_pfn': */ + if (bi->end > high) { + numa_add_memblk_to(bi->nid, high, bi->end, + &numa_reserved_meminfo); + bi->end = high; + } /* and there's no empty block */ if (bi->start >= bi->end) diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c index 6cd7f7025df4..d8a91521144e 100644 --- a/crypto/async_tx/async_xor.c +++ b/crypto/async_tx/async_xor.c @@ -233,7 +233,8 @@ async_xor_offs(struct page *dest, unsigned int offset, if (submit->flags & ASYNC_TX_XOR_DROP_DST) { src_cnt--; src_list++; - src_offs++; + if (src_offs) + src_offs++; } /* wait for any prerequisite operations */ diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index aff13bf4d947..31c9d0c8ae11 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -1290,10 +1290,8 @@ static void acpi_sleep_hibernate_setup(void) return; acpi_get_table(ACPI_SIG_FACS, 1, (struct acpi_table_header **)&facs); - if (facs) { + if (facs) s4_hardware_signature = facs->hardware_signature; - acpi_put_table((struct acpi_table_header *)facs); - } } #else /* !CONFIG_HIBERNATION */ static inline void acpi_sleep_hibernate_setup(void) {} diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 175cb1c0d569..b1f0b13cc8bc 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -385,6 +385,8 @@ static const struct usb_device_id blacklist_table[] = { /* Realtek 8822CE Bluetooth devices */ { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | BTUSB_WIDEBAND_SPEECH }, + { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | + BTUSB_WIDEBAND_SPEECH }, /* Realtek Bluetooth devices */ { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), diff --git a/drivers/char/ipmi/Kconfig b/drivers/char/ipmi/Kconfig index 07847d9a459a..19f1efc0bc3d 100644 --- a/drivers/char/ipmi/Kconfig +++ b/drivers/char/ipmi/Kconfig @@ -124,6 +124,50 @@ config NPCM7XX_KCS_IPMI_BMC This support is also available as a module. If so, the module will be called kcs_bmc_npcm7xx. +config IPMI_KCS_BMC_CDEV_IPMI + depends on IPMI_KCS_BMC + tristate "IPMI character device interface for BMC KCS devices" + help + Provides a BMC-side character device implementing IPMI + semantics for KCS IPMI devices. + + Say YES if you wish to expose KCS devices on the BMC for IPMI + purposes. + + This support is also available as a module. The module will be + called kcs_bmc_cdev_ipmi. + +config IPMI_KCS_BMC_SERIO + depends on IPMI_KCS_BMC && SERIO + tristate "SerIO adaptor for BMC KCS devices" + help + Adapts the BMC KCS device for the SerIO subsystem. This allows users + to take advantage of userspace interfaces provided by SerIO where + appropriate. + + Say YES if you wish to expose KCS devices on the BMC via SerIO + interfaces. + + This support is also available as a module. The module will be + called kcs_bmc_serio. + +config IPMI_KCS_BMC_CDEV_RAW + depends on IPMI_KCS_BMC + tristate "Raw character device interface for BMC KCS devices" + help + Provides a BMC-side character device directly exposing the + data and status registers of a KCS device to userspace. While + KCS devices are commonly used to implement IPMI message + passing, they provide a general interface for exchange of + interrupts, data and status information between the BMC and + its host. + + Say YES if you wish to use the KCS devices to implement + protocols that are not IPMI. + + This support is also available as a module. The module will be + called kcs_bmc_cdev_raw. + config ASPEED_BT_IPMI_BMC depends on ARCH_ASPEED || COMPILE_TEST depends on REGMAP && REGMAP_MMIO && MFD_SYSCON diff --git a/drivers/char/ipmi/Makefile b/drivers/char/ipmi/Makefile index 0822adc2ec41..3390985b4802 100644 --- a/drivers/char/ipmi/Makefile +++ b/drivers/char/ipmi/Makefile @@ -23,6 +23,9 @@ obj-$(CONFIG_IPMI_POWERNV) += ipmi_powernv.o obj-$(CONFIG_IPMI_WATCHDOG) += ipmi_watchdog.o obj-$(CONFIG_IPMI_POWEROFF) += ipmi_poweroff.o obj-$(CONFIG_IPMI_KCS_BMC) += kcs_bmc.o +obj-$(CONFIG_IPMI_KCS_BMC_SERIO) += kcs_bmc_serio.o +obj-$(CONFIG_IPMI_KCS_BMC_CDEV_IPMI) += kcs_bmc_cdev_ipmi.o +obj-$(CONFIG_IPMI_KCS_BMC_CDEV_RAW) += kcs_bmc_cdev_raw.o obj-$(CONFIG_ASPEED_BT_IPMI_BMC) += bt-bmc.o obj-$(CONFIG_ASPEED_KCS_IPMI_BMC) += kcs_bmc_aspeed.o obj-$(CONFIG_NPCM7XX_KCS_IPMI_BMC) += kcs_bmc_npcm7xx.o diff --git a/drivers/char/ipmi/kcs_bmc.c b/drivers/char/ipmi/kcs_bmc.c index f292e74bd4a5..03d02a848f3a 100644 --- a/drivers/char/ipmi/kcs_bmc.c +++ b/drivers/char/ipmi/kcs_bmc.c @@ -1,458 +1,189 @@ // SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) 2015-2018, Intel Corporation. + * Copyright (c) 2021, IBM Corp. */ -#define pr_fmt(fmt) "kcs-bmc: " fmt - -#include <linux/errno.h> -#include <linux/io.h> -#include <linux/ipmi_bmc.h> +#include <linux/device.h> +#include <linux/list.h> #include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/poll.h> -#include <linux/sched.h> -#include <linux/slab.h> +#include <linux/mutex.h> #include "kcs_bmc.h" -#define DEVICE_NAME "ipmi-kcs" - -#define KCS_MSG_BUFSIZ 1000 - -#define KCS_ZERO_DATA 0 +/* Implement both the device and client interfaces here */ +#include "kcs_bmc_device.h" +#include "kcs_bmc_client.h" +/* Record registered devices and drivers */ +static DEFINE_MUTEX(kcs_bmc_lock); +static LIST_HEAD(kcs_bmc_devices); +static LIST_HEAD(kcs_bmc_drivers); -/* IPMI 2.0 - Table 9-1, KCS Interface Status Register Bits */ -#define KCS_STATUS_STATE(state) (state << 6) -#define KCS_STATUS_STATE_MASK GENMASK(7, 6) -#define KCS_STATUS_CMD_DAT BIT(3) -#define KCS_STATUS_SMS_ATN BIT(2) -#define KCS_STATUS_IBF BIT(1) -#define KCS_STATUS_OBF BIT(0) +/* Consumer data access */ -/* IPMI 2.0 - Table 9-2, KCS Interface State Bits */ -enum kcs_states { - IDLE_STATE = 0, - READ_STATE = 1, - WRITE_STATE = 2, - ERROR_STATE = 3, -}; - -/* IPMI 2.0 - Table 9-3, KCS Interface Control Codes */ -#define KCS_CMD_GET_STATUS_ABORT 0x60 -#define KCS_CMD_WRITE_START 0x61 -#define KCS_CMD_WRITE_END 0x62 -#define KCS_CMD_READ_BYTE 0x68 - -static inline u8 read_data(struct kcs_bmc *kcs_bmc) +u8 kcs_bmc_read_data(struct kcs_bmc_device *kcs_bmc) { - return kcs_bmc->io_inputb(kcs_bmc, kcs_bmc->ioreg.idr); + return kcs_bmc->ops->io_inputb(kcs_bmc, kcs_bmc->ioreg.idr); } +EXPORT_SYMBOL(kcs_bmc_read_data); -static inline void write_data(struct kcs_bmc *kcs_bmc, u8 data) +void kcs_bmc_write_data(struct kcs_bmc_device *kcs_bmc, u8 data) { - kcs_bmc->io_outputb(kcs_bmc, kcs_bmc->ioreg.odr, data); + kcs_bmc->ops->io_outputb(kcs_bmc, kcs_bmc->ioreg.odr, data); } +EXPORT_SYMBOL(kcs_bmc_write_data); -static inline u8 read_status(struct kcs_bmc *kcs_bmc) +u8 kcs_bmc_read_status(struct kcs_bmc_device *kcs_bmc) { - return kcs_bmc->io_inputb(kcs_bmc, kcs_bmc->ioreg.str); + return kcs_bmc->ops->io_inputb(kcs_bmc, kcs_bmc->ioreg.str); } +EXPORT_SYMBOL(kcs_bmc_read_status); -static inline void write_status(struct kcs_bmc *kcs_bmc, u8 data) +void kcs_bmc_write_status(struct kcs_bmc_device *kcs_bmc, u8 data) { - kcs_bmc->io_outputb(kcs_bmc, kcs_bmc->ioreg.str, data); + kcs_bmc->ops->io_outputb(kcs_bmc, kcs_bmc->ioreg.str, data); } +EXPORT_SYMBOL(kcs_bmc_write_status); -static void update_status_bits(struct kcs_bmc *kcs_bmc, u8 mask, u8 val) +void kcs_bmc_update_status(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 val) { - u8 tmp = read_status(kcs_bmc); - - tmp &= ~mask; - tmp |= val & mask; - - write_status(kcs_bmc, tmp); + kcs_bmc->ops->io_updateb(kcs_bmc, kcs_bmc->ioreg.str, mask, val); } +EXPORT_SYMBOL(kcs_bmc_update_status); -static inline void set_state(struct kcs_bmc *kcs_bmc, u8 state) +irqreturn_t kcs_bmc_handle_event(struct kcs_bmc_device *kcs_bmc) { - update_status_bits(kcs_bmc, KCS_STATUS_STATE_MASK, - KCS_STATUS_STATE(state)); -} + struct kcs_bmc_client *client; + irqreturn_t rc = IRQ_NONE; -static void kcs_force_abort(struct kcs_bmc *kcs_bmc) -{ - set_state(kcs_bmc, ERROR_STATE); - read_data(kcs_bmc); - write_data(kcs_bmc, KCS_ZERO_DATA); + spin_lock(&kcs_bmc->lock); + client = kcs_bmc->client; + if (client) + rc = client->ops->event(client); + spin_unlock(&kcs_bmc->lock); - kcs_bmc->phase = KCS_PHASE_ERROR; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; -} - -static void kcs_bmc_handle_data(struct kcs_bmc *kcs_bmc) -{ - u8 data; - - switch (kcs_bmc->phase) { - case KCS_PHASE_WRITE_START: - kcs_bmc->phase = KCS_PHASE_WRITE_DATA; - fallthrough; - - case KCS_PHASE_WRITE_DATA: - if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) { - set_state(kcs_bmc, WRITE_STATE); - write_data(kcs_bmc, KCS_ZERO_DATA); - kcs_bmc->data_in[kcs_bmc->data_in_idx++] = - read_data(kcs_bmc); - } else { - kcs_force_abort(kcs_bmc); - kcs_bmc->error = KCS_LENGTH_ERROR; - } - break; - - case KCS_PHASE_WRITE_END_CMD: - if (kcs_bmc->data_in_idx < KCS_MSG_BUFSIZ) { - set_state(kcs_bmc, READ_STATE); - kcs_bmc->data_in[kcs_bmc->data_in_idx++] = - read_data(kcs_bmc); - kcs_bmc->phase = KCS_PHASE_WRITE_DONE; - kcs_bmc->data_in_avail = true; - wake_up_interruptible(&kcs_bmc->queue); - } else { - kcs_force_abort(kcs_bmc); - kcs_bmc->error = KCS_LENGTH_ERROR; - } - break; - - case KCS_PHASE_READ: - if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len) - set_state(kcs_bmc, IDLE_STATE); - - data = read_data(kcs_bmc); - if (data != KCS_CMD_READ_BYTE) { - set_state(kcs_bmc, ERROR_STATE); - write_data(kcs_bmc, KCS_ZERO_DATA); - break; - } - - if (kcs_bmc->data_out_idx == kcs_bmc->data_out_len) { - write_data(kcs_bmc, KCS_ZERO_DATA); - kcs_bmc->phase = KCS_PHASE_IDLE; - break; - } - - write_data(kcs_bmc, - kcs_bmc->data_out[kcs_bmc->data_out_idx++]); - break; - - case KCS_PHASE_ABORT_ERROR1: - set_state(kcs_bmc, READ_STATE); - read_data(kcs_bmc); - write_data(kcs_bmc, kcs_bmc->error); - kcs_bmc->phase = KCS_PHASE_ABORT_ERROR2; - break; - - case KCS_PHASE_ABORT_ERROR2: - set_state(kcs_bmc, IDLE_STATE); - read_data(kcs_bmc); - write_data(kcs_bmc, KCS_ZERO_DATA); - kcs_bmc->phase = KCS_PHASE_IDLE; - break; - - default: - kcs_force_abort(kcs_bmc); - break; - } -} - -static void kcs_bmc_handle_cmd(struct kcs_bmc *kcs_bmc) -{ - u8 cmd; - - set_state(kcs_bmc, WRITE_STATE); - write_data(kcs_bmc, KCS_ZERO_DATA); - - cmd = read_data(kcs_bmc); - switch (cmd) { - case KCS_CMD_WRITE_START: - kcs_bmc->phase = KCS_PHASE_WRITE_START; - kcs_bmc->error = KCS_NO_ERROR; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; - break; - - case KCS_CMD_WRITE_END: - if (kcs_bmc->phase != KCS_PHASE_WRITE_DATA) { - kcs_force_abort(kcs_bmc); - break; - } - - kcs_bmc->phase = KCS_PHASE_WRITE_END_CMD; - break; - - case KCS_CMD_GET_STATUS_ABORT: - if (kcs_bmc->error == KCS_NO_ERROR) - kcs_bmc->error = KCS_ABORTED_BY_COMMAND; - - kcs_bmc->phase = KCS_PHASE_ABORT_ERROR1; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; - break; - - default: - kcs_force_abort(kcs_bmc); - kcs_bmc->error = KCS_ILLEGAL_CONTROL_CODE; - break; - } -} - -int kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc) -{ - unsigned long flags; - int ret = -ENODATA; - u8 status; - - spin_lock_irqsave(&kcs_bmc->lock, flags); - - status = read_status(kcs_bmc); - if (status & KCS_STATUS_IBF) { - if (!kcs_bmc->running) - kcs_force_abort(kcs_bmc); - else if (status & KCS_STATUS_CMD_DAT) - kcs_bmc_handle_cmd(kcs_bmc); - else - kcs_bmc_handle_data(kcs_bmc); - - ret = 0; - } - - spin_unlock_irqrestore(&kcs_bmc->lock, flags); - - return ret; + return rc; } EXPORT_SYMBOL(kcs_bmc_handle_event); -static inline struct kcs_bmc *to_kcs_bmc(struct file *filp) -{ - return container_of(filp->private_data, struct kcs_bmc, miscdev); -} - -static int kcs_bmc_open(struct inode *inode, struct file *filp) +int kcs_bmc_enable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client) { - struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); - int ret = 0; + int rc; spin_lock_irq(&kcs_bmc->lock); - if (!kcs_bmc->running) - kcs_bmc->running = 1; - else - ret = -EBUSY; - spin_unlock_irq(&kcs_bmc->lock); - - return ret; -} - -static __poll_t kcs_bmc_poll(struct file *filp, poll_table *wait) -{ - struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); - __poll_t mask = 0; - - poll_wait(filp, &kcs_bmc->queue, wait); + if (kcs_bmc->client) { + rc = -EBUSY; + } else { + u8 mask = KCS_BMC_EVENT_TYPE_IBF; - spin_lock_irq(&kcs_bmc->lock); - if (kcs_bmc->data_in_avail) - mask |= EPOLLIN; + kcs_bmc->client = client; + kcs_bmc_update_event_mask(kcs_bmc, mask, mask); + rc = 0; + } spin_unlock_irq(&kcs_bmc->lock); - return mask; + return rc; } +EXPORT_SYMBOL(kcs_bmc_enable_device); -static ssize_t kcs_bmc_read(struct file *filp, char __user *buf, - size_t count, loff_t *ppos) +void kcs_bmc_disable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client) { - struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); - bool data_avail; - size_t data_len; - ssize_t ret; - - if (!(filp->f_flags & O_NONBLOCK)) - wait_event_interruptible(kcs_bmc->queue, - kcs_bmc->data_in_avail); - - mutex_lock(&kcs_bmc->mutex); - spin_lock_irq(&kcs_bmc->lock); - data_avail = kcs_bmc->data_in_avail; - if (data_avail) { - data_len = kcs_bmc->data_in_idx; - memcpy(kcs_bmc->kbuffer, kcs_bmc->data_in, data_len); - } - spin_unlock_irq(&kcs_bmc->lock); - - if (!data_avail) { - ret = -EAGAIN; - goto out_unlock; - } - - if (count < data_len) { - pr_err("channel=%u with too large data : %zu\n", - kcs_bmc->channel, data_len); - - spin_lock_irq(&kcs_bmc->lock); - kcs_force_abort(kcs_bmc); - spin_unlock_irq(&kcs_bmc->lock); + if (client == kcs_bmc->client) { + u8 mask = KCS_BMC_EVENT_TYPE_IBF | KCS_BMC_EVENT_TYPE_OBE; - ret = -EOVERFLOW; - goto out_unlock; - } - - if (copy_to_user(buf, kcs_bmc->kbuffer, data_len)) { - ret = -EFAULT; - goto out_unlock; - } - - ret = data_len; - - spin_lock_irq(&kcs_bmc->lock); - if (kcs_bmc->phase == KCS_PHASE_WRITE_DONE) { - kcs_bmc->phase = KCS_PHASE_WAIT_READ; - kcs_bmc->data_in_avail = false; - kcs_bmc->data_in_idx = 0; - } else { - ret = -EAGAIN; + kcs_bmc_update_event_mask(kcs_bmc, mask, 0); + kcs_bmc->client = NULL; } spin_unlock_irq(&kcs_bmc->lock); - -out_unlock: - mutex_unlock(&kcs_bmc->mutex); - - return ret; } +EXPORT_SYMBOL(kcs_bmc_disable_device); -static ssize_t kcs_bmc_write(struct file *filp, const char __user *buf, - size_t count, loff_t *ppos) +int kcs_bmc_add_device(struct kcs_bmc_device *kcs_bmc) { - struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); - ssize_t ret; - - /* a minimum response size '3' : netfn + cmd + ccode */ - if (count < 3 || count > KCS_MSG_BUFSIZ) - return -EINVAL; - - mutex_lock(&kcs_bmc->mutex); - - if (copy_from_user(kcs_bmc->kbuffer, buf, count)) { - ret = -EFAULT; - goto out_unlock; - } + struct kcs_bmc_driver *drv; + int error = 0; + int rc; - spin_lock_irq(&kcs_bmc->lock); - if (kcs_bmc->phase == KCS_PHASE_WAIT_READ) { - kcs_bmc->phase = KCS_PHASE_READ; - kcs_bmc->data_out_idx = 1; - kcs_bmc->data_out_len = count; - memcpy(kcs_bmc->data_out, kcs_bmc->kbuffer, count); - write_data(kcs_bmc, kcs_bmc->data_out[0]); - ret = count; - } else { - ret = -EINVAL; + spin_lock_init(&kcs_bmc->lock); + kcs_bmc->client = NULL; + + mutex_lock(&kcs_bmc_lock); + list_add(&kcs_bmc->entry, &kcs_bmc_devices); + list_for_each_entry(drv, &kcs_bmc_drivers, entry) { + rc = drv->ops->add_device(kcs_bmc); + if (!rc) + continue; + + dev_err(kcs_bmc->dev, "Failed to add chardev for KCS channel %d: %d", + kcs_bmc->channel, rc); + error = rc; } - spin_unlock_irq(&kcs_bmc->lock); - -out_unlock: - mutex_unlock(&kcs_bmc->mutex); + mutex_unlock(&kcs_bmc_lock); - return ret; + return error; } +EXPORT_SYMBOL(kcs_bmc_add_device); -static long kcs_bmc_ioctl(struct file *filp, unsigned int cmd, - unsigned long arg) +void kcs_bmc_remove_device(struct kcs_bmc_device *kcs_bmc) { - struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); - long ret = 0; + struct kcs_bmc_driver *drv; + int rc; - spin_lock_irq(&kcs_bmc->lock); - - switch (cmd) { - case IPMI_BMC_IOCTL_SET_SMS_ATN: - update_status_bits(kcs_bmc, KCS_STATUS_SMS_ATN, - KCS_STATUS_SMS_ATN); - break; - - case IPMI_BMC_IOCTL_CLEAR_SMS_ATN: - update_status_bits(kcs_bmc, KCS_STATUS_SMS_ATN, - 0); - break; - - case IPMI_BMC_IOCTL_FORCE_ABORT: - kcs_force_abort(kcs_bmc); - break; - - default: - ret = -EINVAL; - break; + mutex_lock(&kcs_bmc_lock); + list_del(&kcs_bmc->entry); + list_for_each_entry(drv, &kcs_bmc_drivers, entry) { + rc = drv->ops->remove_device(kcs_bmc); + if (rc) + dev_err(kcs_bmc->dev, "Failed to remove chardev for KCS channel %d: %d", + kcs_bmc->channel, rc); } - - spin_unlock_irq(&kcs_bmc->lock); - - return ret; + mutex_unlock(&kcs_bmc_lock); } +EXPORT_SYMBOL(kcs_bmc_remove_device); -static int kcs_bmc_release(struct inode *inode, struct file *filp) +void kcs_bmc_register_driver(struct kcs_bmc_driver *drv) { - struct kcs_bmc *kcs_bmc = to_kcs_bmc(filp); - - spin_lock_irq(&kcs_bmc->lock); - kcs_bmc->running = 0; - kcs_force_abort(kcs_bmc); - spin_unlock_irq(&kcs_bmc->lock); + struct kcs_bmc_device *kcs_bmc; + int rc; - return 0; + mutex_lock(&kcs_bmc_lock); + list_add(&drv->entry, &kcs_bmc_drivers); + list_for_each_entry(kcs_bmc, &kcs_bmc_devices, entry) { + rc = drv->ops->add_device(kcs_bmc); + if (rc) + dev_err(kcs_bmc->dev, "Failed to add driver for KCS channel %d: %d", + kcs_bmc->channel, rc); + } + mutex_unlock(&kcs_bmc_lock); } +EXPORT_SYMBOL(kcs_bmc_register_driver); -static const struct file_operations kcs_bmc_fops = { - .owner = THIS_MODULE, - .open = kcs_bmc_open, - .read = kcs_bmc_read, - .write = kcs_bmc_write, - .release = kcs_bmc_release, - .poll = kcs_bmc_poll, - .unlocked_ioctl = kcs_bmc_ioctl, -}; - -struct kcs_bmc *kcs_bmc_alloc(struct device *dev, int sizeof_priv, u32 channel) +void kcs_bmc_unregister_driver(struct kcs_bmc_driver *drv) { - struct kcs_bmc *kcs_bmc; - - kcs_bmc = devm_kzalloc(dev, sizeof(*kcs_bmc) + sizeof_priv, GFP_KERNEL); - if (!kcs_bmc) - return NULL; - - spin_lock_init(&kcs_bmc->lock); - kcs_bmc->channel = channel; + struct kcs_bmc_device *kcs_bmc; + int rc; - mutex_init(&kcs_bmc->mutex); - init_waitqueue_head(&kcs_bmc->queue); - - kcs_bmc->data_in = devm_kmalloc(dev, KCS_MSG_BUFSIZ, GFP_KERNEL); - kcs_bmc->data_out = devm_kmalloc(dev, KCS_MSG_BUFSIZ, GFP_KERNEL); - kcs_bmc->kbuffer = devm_kmalloc(dev, KCS_MSG_BUFSIZ, GFP_KERNEL); - - kcs_bmc->miscdev.minor = MISC_DYNAMIC_MINOR; - kcs_bmc->miscdev.name = devm_kasprintf(dev, GFP_KERNEL, "%s%u", - DEVICE_NAME, channel); - if (!kcs_bmc->data_in || !kcs_bmc->data_out || !kcs_bmc->kbuffer || - !kcs_bmc->miscdev.name) - return NULL; - kcs_bmc->miscdev.fops = &kcs_bmc_fops; + mutex_lock(&kcs_bmc_lock); + list_del(&drv->entry); + list_for_each_entry(kcs_bmc, &kcs_bmc_devices, entry) { + rc = drv->ops->remove_device(kcs_bmc); + if (rc) + dev_err(kcs_bmc->dev, "Failed to remove driver for KCS channel %d: %d", + kcs_bmc->channel, rc); + } + mutex_unlock(&kcs_bmc_lock); +} +EXPORT_SYMBOL(kcs_bmc_unregister_driver); - return kcs_bmc; +void kcs_bmc_update_event_mask(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 events) +{ + kcs_bmc->ops->irq_mask_update(kcs_bmc, mask, events); } -EXPORT_SYMBOL(kcs_bmc_alloc); +EXPORT_SYMBOL(kcs_bmc_update_event_mask); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Haiyue Wang <haiyue.wang@linux.intel.com>"); +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); MODULE_DESCRIPTION("KCS BMC to handle the IPMI request from system software"); diff --git a/drivers/char/ipmi/kcs_bmc.h b/drivers/char/ipmi/kcs_bmc.h index eb9ea4ce78b8..fa408b802c79 100644 --- a/drivers/char/ipmi/kcs_bmc.h +++ b/drivers/char/ipmi/kcs_bmc.h @@ -6,54 +6,14 @@ #ifndef __KCS_BMC_H__ #define __KCS_BMC_H__ -#include <linux/miscdevice.h> +#include <linux/list.h> -/* Different phases of the KCS BMC module. - * KCS_PHASE_IDLE: - * BMC should not be expecting nor sending any data. - * KCS_PHASE_WRITE_START: - * BMC is receiving a WRITE_START command from system software. - * KCS_PHASE_WRITE_DATA: - * BMC is receiving a data byte from system software. - * KCS_PHASE_WRITE_END_CMD: - * BMC is waiting a last data byte from system software. - * KCS_PHASE_WRITE_DONE: - * BMC has received the whole request from system software. - * KCS_PHASE_WAIT_READ: - * BMC is waiting the response from the upper IPMI service. - * KCS_PHASE_READ: - * BMC is transferring the response to system software. - * KCS_PHASE_ABORT_ERROR1: - * BMC is waiting error status request from system software. - * KCS_PHASE_ABORT_ERROR2: - * BMC is waiting for idle status afer error from system software. - * KCS_PHASE_ERROR: - * BMC has detected a protocol violation at the interface level. - */ -enum kcs_phases { - KCS_PHASE_IDLE, - - KCS_PHASE_WRITE_START, - KCS_PHASE_WRITE_DATA, - KCS_PHASE_WRITE_END_CMD, - KCS_PHASE_WRITE_DONE, +#define KCS_BMC_EVENT_TYPE_OBE BIT(0) +#define KCS_BMC_EVENT_TYPE_IBF BIT(1) - KCS_PHASE_WAIT_READ, - KCS_PHASE_READ, - - KCS_PHASE_ABORT_ERROR1, - KCS_PHASE_ABORT_ERROR2, - KCS_PHASE_ERROR -}; - -/* IPMI 2.0 - Table 9-4, KCS Interface Status Codes */ -enum kcs_errors { - KCS_NO_ERROR = 0x00, - KCS_ABORTED_BY_COMMAND = 0x01, - KCS_ILLEGAL_CONTROL_CODE = 0x02, - KCS_LENGTH_ERROR = 0x06, - KCS_UNSPECIFIED_ERROR = 0xFF -}; +#define KCS_BMC_STR_OBF BIT(0) +#define KCS_BMC_STR_IBF BIT(1) +#define KCS_BMC_STR_CMD_DAT BIT(3) /* IPMI 2.0 - 9.5, KCS Interface Registers * @idr: Input Data Register @@ -66,43 +26,21 @@ struct kcs_ioreg { u32 str; }; -struct kcs_bmc { - spinlock_t lock; +struct kcs_bmc_device_ops; +struct kcs_bmc_client; +struct kcs_bmc_device { + struct list_head entry; + + struct device *dev; u32 channel; - int running; - /* Setup by BMC KCS controller driver */ struct kcs_ioreg ioreg; - u8 (*io_inputb)(struct kcs_bmc *kcs_bmc, u32 reg); - void (*io_outputb)(struct kcs_bmc *kcs_bmc, u32 reg, u8 b); - - enum kcs_phases phase; - enum kcs_errors error; - - wait_queue_head_t queue; - bool data_in_avail; - int data_in_idx; - u8 *data_in; - - int data_out_idx; - int data_out_len; - u8 *data_out; - struct mutex mutex; - u8 *kbuffer; + const struct kcs_bmc_device_ops *ops; - struct miscdevice miscdev; - - unsigned long priv[]; + spinlock_t lock; + struct kcs_bmc_client *client; }; -static inline void *kcs_bmc_priv(struct kcs_bmc *kcs_bmc) -{ - return kcs_bmc->priv; -} - -int kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc); -struct kcs_bmc *kcs_bmc_alloc(struct device *dev, int sizeof_priv, - u32 channel); #endif /* __KCS_BMC_H__ */ diff --git a/drivers/char/ipmi/kcs_bmc_aspeed.c b/drivers/char/ipmi/kcs_bmc_aspeed.c index c8f7f7c430fd..6ab4eba99d6b 100644 --- a/drivers/char/ipmi/kcs_bmc_aspeed.c +++ b/drivers/char/ipmi/kcs_bmc_aspeed.c @@ -8,10 +8,12 @@ #include <linux/errno.h> #include <linux/interrupt.h> #include <linux/io.h> +#include <linux/irq.h> #include <linux/mfd/syscon.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_device.h> #include <linux/platform_device.h> #include <linux/poll.h> #include <linux/regmap.h> @@ -19,24 +21,53 @@ #include <linux/slab.h> #include <linux/timer.h> -#include "kcs_bmc.h" +#include "kcs_bmc_device.h" #define DEVICE_NAME "ast-kcs-bmc" #define KCS_CHANNEL_MAX 4 +/* + * Field class descriptions + * + * LPCyE Enable LPC channel y + * IBFIEy Input Buffer Full IRQ Enable for LPC channel y + * IRQxEy Assert SerIRQ x for LPC channel y (Deprecated, use IDyIRQX, IRQXEy) + * IDyIRQX Use the specified 4-bit SerIRQ for LPC channel y + * SELyIRQX SerIRQ polarity for LPC channel y (low: 0, high: 1) + * IRQXEy Assert the SerIRQ specified in IDyIRQX for LPC channel y + */ + +#define LPC_TYIRQX_LOW 0b00 +#define LPC_TYIRQX_HIGH 0b01 +#define LPC_TYIRQX_RSVD 0b10 +#define LPC_TYIRQX_RISING 0b11 + #define LPC_HICR0 0x000 #define LPC_HICR0_LPC3E BIT(7) #define LPC_HICR0_LPC2E BIT(6) #define LPC_HICR0_LPC1E BIT(5) #define LPC_HICR2 0x008 -#define LPC_HICR2_IBFIF3 BIT(3) -#define LPC_HICR2_IBFIF2 BIT(2) -#define LPC_HICR2_IBFIF1 BIT(1) +#define LPC_HICR2_IBFIE3 BIT(3) +#define LPC_HICR2_IBFIE2 BIT(2) +#define LPC_HICR2_IBFIE1 BIT(1) #define LPC_HICR4 0x010 #define LPC_HICR4_LADR12AS BIT(7) #define LPC_HICR4_KCSENBL BIT(2) +#define LPC_SIRQCR0 0x070 +/* IRQ{12,1}E1 are deprecated as of AST2600 A3 but necessary for prior chips */ +#define LPC_SIRQCR0_IRQ12E1 BIT(1) +#define LPC_SIRQCR0_IRQ1E1 BIT(0) +#define LPC_HICR5 0x080 +#define LPC_HICR5_ID3IRQX_MASK GENMASK(23, 20) +#define LPC_HICR5_ID3IRQX_SHIFT 20 +#define LPC_HICR5_ID2IRQX_MASK GENMASK(19, 16) +#define LPC_HICR5_ID2IRQX_SHIFT 16 +#define LPC_HICR5_SEL3IRQX BIT(15) +#define LPC_HICR5_IRQXE3 BIT(14) +#define LPC_HICR5_SEL2IRQX BIT(13) +#define LPC_HICR5_IRQXE2 BIT(12) #define LPC_LADR3H 0x014 #define LPC_LADR3L 0x018 #define LPC_LADR12H 0x01C @@ -51,22 +82,65 @@ #define LPC_STR2 0x040 #define LPC_STR3 0x044 #define LPC_HICRB 0x100 -#define LPC_HICRB_IBFIF4 BIT(1) +#define LPC_HICRB_EN16LADR2 BIT(5) +#define LPC_HICRB_EN16LADR1 BIT(4) +#define LPC_HICRB_IBFIE4 BIT(1) #define LPC_HICRB_LPC4E BIT(0) +#define LPC_HICRC 0x104 +#define LPC_HICRC_ID4IRQX_MASK GENMASK(7, 4) +#define LPC_HICRC_ID4IRQX_SHIFT 4 +#define LPC_HICRC_TY4IRQX_MASK GENMASK(3, 2) +#define LPC_HICRC_TY4IRQX_SHIFT 2 +#define LPC_HICRC_OBF4_AUTO_CLR BIT(1) +#define LPC_HICRC_IRQXE4 BIT(0) #define LPC_LADR4 0x110 #define LPC_IDR4 0x114 #define LPC_ODR4 0x118 #define LPC_STR4 0x11C +#define LPC_LSADR12 0x120 +#define LPC_LSADR12_LSADR2_MASK GENMASK(31, 16) +#define LPC_LSADR12_LSADR2_SHIFT 16 +#define LPC_LSADR12_LSADR1_MASK GENMASK(15, 0) +#define LPC_LSADR12_LSADR1_SHIFT 0 + +#define OBE_POLL_PERIOD (HZ / 2) + +enum aspeed_kcs_irq_mode { + aspeed_kcs_irq_none, + aspeed_kcs_irq_serirq, +}; struct aspeed_kcs_bmc { + struct kcs_bmc_device kcs_bmc; + struct regmap *map; - struct clk *clk; + struct clk *clk; + + struct { + enum aspeed_kcs_irq_mode mode; + int id; + } upstream_irq; + + struct { + spinlock_t lock; + bool remove; + struct timer_list timer; + } obe; +}; + +struct aspeed_kcs_of_ops { + int (*get_channel)(struct platform_device *pdev); + int (*get_io_address)(struct platform_device *pdev, u32 addrs[2]); }; +static inline struct aspeed_kcs_bmc *to_aspeed_kcs_bmc(struct kcs_bmc_device *kcs_bmc) +{ + return container_of(kcs_bmc, struct aspeed_kcs_bmc, kcs_bmc); +} -static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) +static u8 aspeed_kcs_inb(struct kcs_bmc_device *kcs_bmc, u32 reg) { - struct aspeed_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); u32 val = 0; int rc; @@ -76,15 +150,66 @@ static u8 aspeed_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) return rc == 0 ? (u8) val : 0; } -static void aspeed_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) +static void aspeed_kcs_outb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 data) { - struct aspeed_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); int rc; rc = regmap_write(priv->map, reg, data); WARN(rc != 0, "regmap_write() failed: %d\n", rc); + + /* Trigger the upstream IRQ on ODR writes, if enabled */ + + switch (reg) { + case LPC_ODR1: + case LPC_ODR2: + case LPC_ODR3: + case LPC_ODR4: + break; + default: + return; + } + + if (priv->upstream_irq.mode != aspeed_kcs_irq_serirq) + return; + + switch (kcs_bmc->channel) { + case 1: + switch (priv->upstream_irq.id) { + case 12: + regmap_update_bits(priv->map, LPC_SIRQCR0, LPC_SIRQCR0_IRQ12E1, + LPC_SIRQCR0_IRQ12E1); + break; + case 1: + regmap_update_bits(priv->map, LPC_SIRQCR0, LPC_SIRQCR0_IRQ1E1, + LPC_SIRQCR0_IRQ1E1); + break; + default: + break; + } + break; + case 2: + regmap_update_bits(priv->map, LPC_HICR5, LPC_HICR5_IRQXE2, LPC_HICR5_IRQXE2); + break; + case 3: + regmap_update_bits(priv->map, LPC_HICR5, LPC_HICR5_IRQXE3, LPC_HICR5_IRQXE3); + break; + case 4: + regmap_update_bits(priv->map, LPC_HICRC, LPC_HICRC_IRQXE4, LPC_HICRC_IRQXE4); + break; + default: + break; + } } +static void aspeed_kcs_updateb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 mask, u8 val) +{ + struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); + int rc; + + rc = regmap_update_bits(priv->map, reg, mask, val); + WARN(rc != 0, "regmap_update_bits() failed: %d\n", rc); +} /* * AST_usrGuide_KCS.pdf @@ -99,118 +224,237 @@ static void aspeed_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) * C. KCS4 * D / C : CA4h / CA5h */ -static void aspeed_kcs_set_address(struct kcs_bmc *kcs_bmc, u16 addr) +static int aspeed_kcs_set_address(struct kcs_bmc_device *kcs_bmc, u32 addrs[2], int nr_addrs) { - struct aspeed_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); - switch (kcs_bmc->channel) { + if (WARN_ON(nr_addrs < 1 || nr_addrs > 2)) + return -EINVAL; + + switch (priv->kcs_bmc.channel) { case 1: - regmap_update_bits(priv->map, LPC_HICR4, - LPC_HICR4_LADR12AS, 0); - regmap_write(priv->map, LPC_LADR12H, addr >> 8); - regmap_write(priv->map, LPC_LADR12L, addr & 0xFF); + regmap_update_bits(priv->map, LPC_HICR4, LPC_HICR4_LADR12AS, 0); + regmap_write(priv->map, LPC_LADR12H, addrs[0] >> 8); + regmap_write(priv->map, LPC_LADR12L, addrs[0] & 0xFF); + if (nr_addrs == 2) { + regmap_update_bits(priv->map, LPC_LSADR12, LPC_LSADR12_LSADR1_MASK, + addrs[1] << LPC_LSADR12_LSADR1_SHIFT); + + regmap_update_bits(priv->map, LPC_HICRB, LPC_HICRB_EN16LADR1, + LPC_HICRB_EN16LADR1); + } break; case 2: - regmap_update_bits(priv->map, LPC_HICR4, - LPC_HICR4_LADR12AS, LPC_HICR4_LADR12AS); - regmap_write(priv->map, LPC_LADR12H, addr >> 8); - regmap_write(priv->map, LPC_LADR12L, addr & 0xFF); + regmap_update_bits(priv->map, LPC_HICR4, LPC_HICR4_LADR12AS, LPC_HICR4_LADR12AS); + regmap_write(priv->map, LPC_LADR12H, addrs[0] >> 8); + regmap_write(priv->map, LPC_LADR12L, addrs[0] & 0xFF); + if (nr_addrs == 2) { + regmap_update_bits(priv->map, LPC_LSADR12, LPC_LSADR12_LSADR2_MASK, + addrs[1] << LPC_LSADR12_LSADR2_SHIFT); + + regmap_update_bits(priv->map, LPC_HICRB, LPC_HICRB_EN16LADR2, + LPC_HICRB_EN16LADR2); + } break; case 3: - regmap_write(priv->map, LPC_LADR3H, addr >> 8); - regmap_write(priv->map, LPC_LADR3L, addr & 0xFF); + if (nr_addrs == 2) { + dev_err(priv->kcs_bmc.dev, + "Channel 3 only supports inferred status IO address\n"); + return -EINVAL; + } + + regmap_write(priv->map, LPC_LADR3H, addrs[0] >> 8); + regmap_write(priv->map, LPC_LADR3L, addrs[0] & 0xFF); break; case 4: - regmap_write(priv->map, LPC_LADR4, ((addr + 1) << 16) | - addr); + if (nr_addrs == 1) + regmap_write(priv->map, LPC_LADR4, ((addrs[0] + 1) << 16) | addrs[0]); + else + regmap_write(priv->map, LPC_LADR4, (addrs[1] << 16) | addrs[0]); + break; default: - break; + return -EINVAL; + } + + return 0; +} + +static inline int aspeed_kcs_map_serirq_type(u32 dt_type) +{ + switch (dt_type) { + case IRQ_TYPE_EDGE_RISING: + return LPC_TYIRQX_RISING; + case IRQ_TYPE_LEVEL_HIGH: + return LPC_TYIRQX_HIGH; + case IRQ_TYPE_LEVEL_LOW: + return LPC_TYIRQX_LOW; + default: + return -EINVAL; } } -static void aspeed_kcs_enable_channel(struct kcs_bmc *kcs_bmc, bool enable) +static int aspeed_kcs_config_upstream_irq(struct aspeed_kcs_bmc *priv, u32 id, u32 dt_type) { - struct aspeed_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + unsigned int mask, val, hw_type; + int ret; - switch (kcs_bmc->channel) { + if (id > 15) + return -EINVAL; + + ret = aspeed_kcs_map_serirq_type(dt_type); + if (ret < 0) + return ret; + hw_type = ret; + + priv->upstream_irq.mode = aspeed_kcs_irq_serirq; + priv->upstream_irq.id = id; + + switch (priv->kcs_bmc.channel) { case 1: - if (enable) { - regmap_update_bits(priv->map, LPC_HICR2, - LPC_HICR2_IBFIF1, LPC_HICR2_IBFIF1); - regmap_update_bits(priv->map, LPC_HICR0, - LPC_HICR0_LPC1E, LPC_HICR0_LPC1E); - } else { - regmap_update_bits(priv->map, LPC_HICR0, - LPC_HICR0_LPC1E, 0); - regmap_update_bits(priv->map, LPC_HICR2, - LPC_HICR2_IBFIF1, 0); - } + /* Needs IRQxE1 rather than (ID1IRQX, SEL1IRQX, IRQXE1) before AST2600 A3 */ break; - case 2: - if (enable) { - regmap_update_bits(priv->map, LPC_HICR2, - LPC_HICR2_IBFIF2, LPC_HICR2_IBFIF2); - regmap_update_bits(priv->map, LPC_HICR0, - LPC_HICR0_LPC2E, LPC_HICR0_LPC2E); - } else { - regmap_update_bits(priv->map, LPC_HICR0, - LPC_HICR0_LPC2E, 0); - regmap_update_bits(priv->map, LPC_HICR2, - LPC_HICR2_IBFIF2, 0); - } - break; + if (!(hw_type == LPC_TYIRQX_LOW || hw_type == LPC_TYIRQX_HIGH)) + return -EINVAL; + + mask = LPC_HICR5_SEL2IRQX | LPC_HICR5_ID2IRQX_MASK; + val = (id << LPC_HICR5_ID2IRQX_SHIFT); + val |= (hw_type == LPC_TYIRQX_HIGH) ? LPC_HICR5_SEL2IRQX : 0; + regmap_update_bits(priv->map, LPC_HICR5, mask, val); - case 3: - if (enable) { - regmap_update_bits(priv->map, LPC_HICR2, - LPC_HICR2_IBFIF3, LPC_HICR2_IBFIF3); - regmap_update_bits(priv->map, LPC_HICR0, - LPC_HICR0_LPC3E, LPC_HICR0_LPC3E); - regmap_update_bits(priv->map, LPC_HICR4, - LPC_HICR4_KCSENBL, LPC_HICR4_KCSENBL); - } else { - regmap_update_bits(priv->map, LPC_HICR0, - LPC_HICR0_LPC3E, 0); - regmap_update_bits(priv->map, LPC_HICR4, - LPC_HICR4_KCSENBL, 0); - regmap_update_bits(priv->map, LPC_HICR2, - LPC_HICR2_IBFIF3, 0); - } break; + case 3: + if (!(hw_type == LPC_TYIRQX_LOW || hw_type == LPC_TYIRQX_HIGH)) + return -EINVAL; + + mask = LPC_HICR5_SEL3IRQX | LPC_HICR5_ID3IRQX_MASK; + val = (id << LPC_HICR5_ID3IRQX_SHIFT); + val |= (hw_type == LPC_TYIRQX_HIGH) ? LPC_HICR5_SEL3IRQX : 0; + regmap_update_bits(priv->map, LPC_HICR5, mask, val); + break; case 4: - if (enable) - regmap_update_bits(priv->map, LPC_HICRB, - LPC_HICRB_IBFIF4 | LPC_HICRB_LPC4E, - LPC_HICRB_IBFIF4 | LPC_HICRB_LPC4E); - else - regmap_update_bits(priv->map, LPC_HICRB, - LPC_HICRB_IBFIF4 | LPC_HICRB_LPC4E, - 0); + mask = LPC_HICRC_ID4IRQX_MASK | LPC_HICRC_TY4IRQX_MASK | LPC_HICRC_OBF4_AUTO_CLR; + val = (id << LPC_HICRC_ID4IRQX_SHIFT) | (hw_type << LPC_HICRC_TY4IRQX_SHIFT); + regmap_update_bits(priv->map, LPC_HICRC, mask, val); break; + default: + dev_warn(priv->kcs_bmc.dev, + "SerIRQ configuration not supported on KCS channel %d\n", + priv->kcs_bmc.channel); + return -EINVAL; + } + + return 0; +} + +static void aspeed_kcs_enable_channel(struct kcs_bmc_device *kcs_bmc, bool enable) +{ + struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); + switch (kcs_bmc->channel) { + case 1: + regmap_update_bits(priv->map, LPC_HICR0, LPC_HICR0_LPC1E, enable * LPC_HICR0_LPC1E); + return; + case 2: + regmap_update_bits(priv->map, LPC_HICR0, LPC_HICR0_LPC2E, enable * LPC_HICR0_LPC2E); + return; + case 3: + regmap_update_bits(priv->map, LPC_HICR0, LPC_HICR0_LPC3E, enable * LPC_HICR0_LPC3E); + regmap_update_bits(priv->map, LPC_HICR4, + LPC_HICR4_KCSENBL, enable * LPC_HICR4_KCSENBL); + return; + case 4: + regmap_update_bits(priv->map, LPC_HICRB, LPC_HICRB_LPC4E, enable * LPC_HICRB_LPC4E); + return; default: - break; + pr_warn("%s: Unsupported channel: %d", __func__, kcs_bmc->channel); + return; } } -static irqreturn_t aspeed_kcs_irq(int irq, void *arg) +static void aspeed_kcs_check_obe(struct timer_list *timer) +{ + struct aspeed_kcs_bmc *priv = container_of(timer, struct aspeed_kcs_bmc, obe.timer); + unsigned long flags; + u8 str; + + spin_lock_irqsave(&priv->obe.lock, flags); + if (priv->obe.remove) { + spin_unlock_irqrestore(&priv->obe.lock, flags); + return; + } + + str = aspeed_kcs_inb(&priv->kcs_bmc, priv->kcs_bmc.ioreg.str); + if (str & KCS_BMC_STR_OBF) { + mod_timer(timer, jiffies + OBE_POLL_PERIOD); + spin_unlock_irqrestore(&priv->obe.lock, flags); + return; + } + spin_unlock_irqrestore(&priv->obe.lock, flags); + + kcs_bmc_handle_event(&priv->kcs_bmc); +} + +static void aspeed_kcs_irq_mask_update(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 state) { - struct kcs_bmc *kcs_bmc = arg; + struct aspeed_kcs_bmc *priv = to_aspeed_kcs_bmc(kcs_bmc); - if (!kcs_bmc_handle_event(kcs_bmc)) - return IRQ_HANDLED; + /* We don't have an OBE IRQ, emulate it */ + if (mask & KCS_BMC_EVENT_TYPE_OBE) { + if (KCS_BMC_EVENT_TYPE_OBE & state) + mod_timer(&priv->obe.timer, jiffies + OBE_POLL_PERIOD); + else + del_timer(&priv->obe.timer); + } - return IRQ_NONE; + if (mask & KCS_BMC_EVENT_TYPE_IBF) { + const bool enable = !!(state & KCS_BMC_EVENT_TYPE_IBF); + + switch (kcs_bmc->channel) { + case 1: + regmap_update_bits(priv->map, LPC_HICR2, LPC_HICR2_IBFIE1, + enable * LPC_HICR2_IBFIE1); + return; + case 2: + regmap_update_bits(priv->map, LPC_HICR2, LPC_HICR2_IBFIE2, + enable * LPC_HICR2_IBFIE2); + return; + case 3: + regmap_update_bits(priv->map, LPC_HICR2, LPC_HICR2_IBFIE3, + enable * LPC_HICR2_IBFIE3); + return; + case 4: + regmap_update_bits(priv->map, LPC_HICRB, LPC_HICRB_IBFIE4, + enable * LPC_HICRB_IBFIE4); + return; + default: + pr_warn("%s: Unsupported channel: %d", __func__, kcs_bmc->channel); + return; + } + } } -static int aspeed_kcs_config_irq(struct kcs_bmc *kcs_bmc, +static const struct kcs_bmc_device_ops aspeed_kcs_ops = { + .irq_mask_update = aspeed_kcs_irq_mask_update, + .io_inputb = aspeed_kcs_inb, + .io_outputb = aspeed_kcs_outb, + .io_updateb = aspeed_kcs_updateb, +}; + +static irqreturn_t aspeed_kcs_irq(int irq, void *arg) +{ + struct kcs_bmc_device *kcs_bmc = arg; + + return kcs_bmc_handle_event(kcs_bmc); +} + +static int aspeed_kcs_config_downstream_irq(struct kcs_bmc_device *kcs_bmc, struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -231,13 +475,10 @@ static const struct kcs_ioreg ast_kcs_bmc_ioregs[KCS_CHANNEL_MAX] = { { .idr = LPC_IDR4, .odr = LPC_ODR4, .str = LPC_STR4 }, }; -static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) +static int aspeed_kcs_of_v1_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; - struct kcs_bmc *kcs; u32 channel; - u32 slave; int rc; np = pdev->dev.of_node; @@ -245,163 +486,188 @@ static struct kcs_bmc *aspeed_kcs_probe_of_v1(struct platform_device *pdev) rc = of_property_read_u32(np, "kcs_chan", &channel); if ((rc != 0) || (channel == 0 || channel > KCS_CHANNEL_MAX)) { dev_err(&pdev->dev, "no valid 'kcs_chan' configured\n"); - return ERR_PTR(-EINVAL); - } - - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); - - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); - } - - rc = of_property_read_u32(np, "kcs_addr", &slave); - if (rc) { - dev_err(&pdev->dev, "no valid 'kcs_addr' configured\n"); - return ERR_PTR(-EINVAL); + return -EINVAL; } - kcs->ioreg = ast_kcs_bmc_ioregs[channel - 1]; - aspeed_kcs_set_address(kcs, slave); - - return kcs; + return channel; } -static int aspeed_kcs_calculate_channel(const struct kcs_ioreg *regs) +static int +aspeed_kcs_of_v1_get_io_address(struct platform_device *pdev, u32 addrs[2]) { - int i; + int rc; - for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { - if (!memcmp(&ast_kcs_bmc_ioregs[i], regs, sizeof(*regs))) - return i + 1; + rc = of_property_read_u32(pdev->dev.of_node, "kcs_addr", addrs); + if (rc || addrs[0] > 0xffff) { + dev_err(&pdev->dev, "no valid 'kcs_addr' configured\n"); + return -EINVAL; } - return -EINVAL; + return 1; } -static struct kcs_bmc *aspeed_kcs_probe_of_v2(struct platform_device *pdev) +static int aspeed_kcs_of_v2_get_channel(struct platform_device *pdev) { - struct aspeed_kcs_bmc *priv; struct device_node *np; struct kcs_ioreg ioreg; - struct kcs_bmc *kcs; const __be32 *reg; - int channel; - u32 slave; - int rc; + int i; np = pdev->dev.of_node; /* Don't translate addresses, we want offsets for the regmaps */ reg = of_get_address(np, 0, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.idr = be32_to_cpup(reg); reg = of_get_address(np, 1, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.odr = be32_to_cpup(reg); reg = of_get_address(np, 2, NULL, NULL); if (!reg) - return ERR_PTR(-EINVAL); + return -EINVAL; ioreg.str = be32_to_cpup(reg); - channel = aspeed_kcs_calculate_channel(&ioreg); - if (channel < 0) - return ERR_PTR(channel); + for (i = 0; i < ARRAY_SIZE(ast_kcs_bmc_ioregs); i++) { + if (!memcmp(&ast_kcs_bmc_ioregs[i], &ioreg, sizeof(ioreg))) + return i + 1; + } - kcs = kcs_bmc_alloc(&pdev->dev, sizeof(struct aspeed_kcs_bmc), channel); - if (!kcs) - return ERR_PTR(-ENOMEM); + return -EINVAL; +} - kcs->ioreg = ioreg; +static int +aspeed_kcs_of_v2_get_io_address(struct platform_device *pdev, u32 addrs[2]) +{ + int rc; - priv = kcs_bmc_priv(kcs); - priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(&pdev->dev, "Couldn't get regmap\n"); - return ERR_PTR(-ENODEV); + rc = of_property_read_variable_u32_array(pdev->dev.of_node, + "aspeed,lpc-io-reg", + addrs, 1, 2); + if (rc < 0) { + dev_err(&pdev->dev, "No valid 'aspeed,lpc-io-reg' configured\n"); + return rc; } - rc = of_property_read_u32(np, "aspeed,lpc-io-reg", &slave); - if (rc) - return ERR_PTR(rc); + if (addrs[0] > 0xffff) { + dev_err(&pdev->dev, "Invalid data address in 'aspeed,lpc-io-reg'\n"); + return -EINVAL; + } - aspeed_kcs_set_address(kcs, slave); + if (rc == 2 && addrs[1] > 0xffff) { + dev_err(&pdev->dev, "Invalid status address in 'aspeed,lpc-io-reg'\n"); + return -EINVAL; + } - return kcs; + return rc; } static int aspeed_kcs_probe(struct platform_device *pdev) { - struct device *dev = &pdev->dev; + const struct aspeed_kcs_of_ops *ops; + struct kcs_bmc_device *kcs_bmc; struct aspeed_kcs_bmc *priv; - struct kcs_bmc *kcs_bmc; struct device_node *np; - int rc; + bool have_upstream_irq; + u32 upstream_irq[2]; + int rc, channel; + int nr_addrs; + u32 addrs[2]; - np = dev->of_node->parent; + np = pdev->dev.of_node->parent; if (!of_device_is_compatible(np, "aspeed,ast2400-lpc-v2") && !of_device_is_compatible(np, "aspeed,ast2500-lpc-v2") && !of_device_is_compatible(np, "aspeed,ast2600-lpc-v2")) { - dev_err(dev, "unsupported LPC device binding\n"); + dev_err(&pdev->dev, "unsupported LPC device binding\n"); return -ENODEV; } - np = dev->of_node; - if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc")) - kcs_bmc = aspeed_kcs_probe_of_v1(pdev); - else if (of_device_is_compatible(np, "aspeed,ast2400-kcs-bmc-v2") || - of_device_is_compatible(np, "aspeed,ast2500-kcs-bmc-v2")) - kcs_bmc = aspeed_kcs_probe_of_v2(pdev); - else + ops = of_device_get_match_data(&pdev->dev); + if (!ops) return -EINVAL; - if (IS_ERR(kcs_bmc)) - return PTR_ERR(kcs_bmc); + channel = ops->get_channel(pdev); + if (channel < 0) + return channel; + + nr_addrs = ops->get_io_address(pdev, addrs); + if (nr_addrs < 0) + return nr_addrs; + + np = pdev->dev.of_node; + rc = of_property_read_u32_array(np, "aspeed,lpc-interrupts", upstream_irq, 2); + if (rc && rc != -EINVAL) + return -EINVAL; + + have_upstream_irq = !rc; + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; - priv = kcs_bmc_priv(kcs_bmc); - priv->clk = devm_clk_get(dev, NULL); + kcs_bmc = &priv->kcs_bmc; + kcs_bmc->dev = &pdev->dev; + kcs_bmc->channel = channel; + kcs_bmc->ioreg = ast_kcs_bmc_ioregs[channel - 1]; + kcs_bmc->ops = &aspeed_kcs_ops; + + priv->map = syscon_node_to_regmap(pdev->dev.parent->of_node); + if (IS_ERR(priv->map)) { + dev_err(&pdev->dev, "Couldn't get regmap\n"); + return -ENODEV; + } + + priv->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(priv->clk)) { rc = PTR_ERR(priv->clk); if (rc != -EPROBE_DEFER) - dev_err(dev, "couldn't get clock\n"); + dev_err(&pdev->dev, "couldn't get clock\n"); return rc; } rc = clk_prepare_enable(priv->clk); if (rc) { - dev_err(dev, "couldn't enable clock\n"); + dev_err(&pdev->dev, "couldn't enable clock\n"); return rc; } - kcs_bmc->io_inputb = aspeed_kcs_inb; - kcs_bmc->io_outputb = aspeed_kcs_outb; + spin_lock_init(&priv->obe.lock); + priv->obe.remove = false; + timer_setup(&priv->obe.timer, aspeed_kcs_check_obe, 0); - rc = aspeed_kcs_config_irq(kcs_bmc, pdev); + rc = aspeed_kcs_set_address(kcs_bmc, addrs, nr_addrs); if (rc) goto err; - dev_set_drvdata(dev, kcs_bmc); + /* Host to BMC IRQ */ + rc = aspeed_kcs_config_downstream_irq(kcs_bmc, pdev); + if (rc) + return rc; + + /* BMC to Host IRQ */ + if (have_upstream_irq) { + rc = aspeed_kcs_config_upstream_irq(priv, upstream_irq[0], upstream_irq[1]); + if (rc < 0) + return rc; + } else { + priv->upstream_irq.mode = aspeed_kcs_irq_none; + } + + platform_set_drvdata(pdev, priv); + aspeed_kcs_irq_mask_update(kcs_bmc, (KCS_BMC_EVENT_TYPE_IBF | KCS_BMC_EVENT_TYPE_OBE), 0); aspeed_kcs_enable_channel(kcs_bmc, true); - rc = misc_register(&kcs_bmc->miscdev); + rc = kcs_bmc_add_device(&priv->kcs_bmc); if (rc) { - dev_err(dev, "Unable to register device\n"); - goto err; + dev_warn(&pdev->dev, "Failed to register channel %d: %d\n", kcs_bmc->channel, rc); + return rc; } - dev_dbg(&pdev->dev, - "Probed KCS device %d (IDR=0x%x, ODR=0x%x, STR=0x%x)\n", - kcs_bmc->channel, kcs_bmc->ioreg.idr, kcs_bmc->ioreg.odr, - kcs_bmc->ioreg.str); + dev_info(&pdev->dev, "Initialised channel %d at 0x%x\n", + kcs_bmc->channel, addrs[0]); return 0; @@ -414,22 +680,40 @@ err: static int aspeed_kcs_remove(struct platform_device *pdev) { - struct kcs_bmc *kcs_bmc = dev_get_drvdata(&pdev->dev); - struct aspeed_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + struct aspeed_kcs_bmc *priv = platform_get_drvdata(pdev); + struct kcs_bmc_device *kcs_bmc = &priv->kcs_bmc; - misc_deregister(&kcs_bmc->miscdev); - aspeed_kcs_enable_channel(kcs_bmc, false); clk_disable_unprepare(priv->clk); + kcs_bmc_remove_device(kcs_bmc); + + aspeed_kcs_enable_channel(kcs_bmc, false); + aspeed_kcs_irq_mask_update(kcs_bmc, (KCS_BMC_EVENT_TYPE_IBF | KCS_BMC_EVENT_TYPE_OBE), 0); + + /* Make sure it's proper dead */ + spin_lock_irq(&priv->obe.lock); + priv->obe.remove = true; + spin_unlock_irq(&priv->obe.lock); + del_timer_sync(&priv->obe.timer); return 0; } +static const struct aspeed_kcs_of_ops of_v1_ops = { + .get_channel = aspeed_kcs_of_v1_get_channel, + .get_io_address = aspeed_kcs_of_v1_get_io_address, +}; + +static const struct aspeed_kcs_of_ops of_v2_ops = { + .get_channel = aspeed_kcs_of_v2_get_channel, + .get_io_address = aspeed_kcs_of_v2_get_io_address, +}; + static const struct of_device_id ast_kcs_bmc_match[] = { - { .compatible = "aspeed,ast2400-kcs-bmc" }, - { .compatible = "aspeed,ast2500-kcs-bmc" }, - { .compatible = "aspeed,ast2400-kcs-bmc-v2" }, - { .compatible = "aspeed,ast2500-kcs-bmc-v2" }, - { .compatible = "aspeed,ast2600-kcs-bmc" }, + { .compatible = "aspeed,ast2400-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc", .data = &of_v1_ops }, + { .compatible = "aspeed,ast2400-kcs-bmc-v2", .data = &of_v2_ops }, + { .compatible = "aspeed,ast2500-kcs-bmc-v2", .data = &of_v2_ops }, + { .compatible = "aspeed,ast2600-kcs-bmc", .data = &of_v2_ops }, { } }; MODULE_DEVICE_TABLE(of, ast_kcs_bmc_match); @@ -446,4 +730,5 @@ module_platform_driver(ast_kcs_bmc_driver); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Haiyue Wang <haiyue.wang@linux.intel.com>"); +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); MODULE_DESCRIPTION("Aspeed device interface to the KCS BMC device"); diff --git a/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c b/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c new file mode 100644 index 000000000000..486834a962c3 --- /dev/null +++ b/drivers/char/ipmi/kcs_bmc_cdev_ipmi.c @@ -0,0 +1,568 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2015-2018, Intel Corporation. + */ + +#define pr_fmt(fmt) "kcs-bmc: " fmt + +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/ipmi_bmc.h> +#include <linux/list.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/mutex.h> +#include <linux/platform_device.h> +#include <linux/poll.h> +#include <linux/sched.h> +#include <linux/slab.h> + +#include "kcs_bmc_client.h" + +/* Different phases of the KCS BMC module. + * KCS_PHASE_IDLE: + * BMC should not be expecting nor sending any data. + * KCS_PHASE_WRITE_START: + * BMC is receiving a WRITE_START command from system software. + * KCS_PHASE_WRITE_DATA: + * BMC is receiving a data byte from system software. + * KCS_PHASE_WRITE_END_CMD: + * BMC is waiting a last data byte from system software. + * KCS_PHASE_WRITE_DONE: + * BMC has received the whole request from system software. + * KCS_PHASE_WAIT_READ: + * BMC is waiting the response from the upper IPMI service. + * KCS_PHASE_READ: + * BMC is transferring the response to system software. + * KCS_PHASE_ABORT_ERROR1: + * BMC is waiting error status request from system software. + * KCS_PHASE_ABORT_ERROR2: + * BMC is waiting for idle status afer error from system software. + * KCS_PHASE_ERROR: + * BMC has detected a protocol violation at the interface level. + */ +enum kcs_ipmi_phases { + KCS_PHASE_IDLE, + + KCS_PHASE_WRITE_START, + KCS_PHASE_WRITE_DATA, + KCS_PHASE_WRITE_END_CMD, + KCS_PHASE_WRITE_DONE, + + KCS_PHASE_WAIT_READ, + KCS_PHASE_READ, + + KCS_PHASE_ABORT_ERROR1, + KCS_PHASE_ABORT_ERROR2, + KCS_PHASE_ERROR +}; + +/* IPMI 2.0 - Table 9-4, KCS Interface Status Codes */ +enum kcs_ipmi_errors { + KCS_NO_ERROR = 0x00, + KCS_ABORTED_BY_COMMAND = 0x01, + KCS_ILLEGAL_CONTROL_CODE = 0x02, + KCS_LENGTH_ERROR = 0x06, + KCS_UNSPECIFIED_ERROR = 0xFF +}; + +struct kcs_bmc_ipmi { + struct list_head entry; + + struct kcs_bmc_client client; + + spinlock_t lock; + + enum kcs_ipmi_phases phase; + enum kcs_ipmi_errors error; + + wait_queue_head_t queue; + bool data_in_avail; + int data_in_idx; + u8 *data_in; + + int data_out_idx; + int data_out_len; + u8 *data_out; + + struct mutex mutex; + u8 *kbuffer; + + struct miscdevice miscdev; +}; + +#define DEVICE_NAME "ipmi-kcs" + +#define KCS_MSG_BUFSIZ 1000 + +#define KCS_ZERO_DATA 0 + +/* IPMI 2.0 - Table 9-1, KCS Interface Status Register Bits */ +#define KCS_STATUS_STATE(state) (state << 6) +#define KCS_STATUS_STATE_MASK GENMASK(7, 6) +#define KCS_STATUS_CMD_DAT BIT(3) +#define KCS_STATUS_SMS_ATN BIT(2) +#define KCS_STATUS_IBF BIT(1) +#define KCS_STATUS_OBF BIT(0) + +/* IPMI 2.0 - Table 9-2, KCS Interface State Bits */ +enum kcs_states { + IDLE_STATE = 0, + READ_STATE = 1, + WRITE_STATE = 2, + ERROR_STATE = 3, +}; + +/* IPMI 2.0 - Table 9-3, KCS Interface Control Codes */ +#define KCS_CMD_GET_STATUS_ABORT 0x60 +#define KCS_CMD_WRITE_START 0x61 +#define KCS_CMD_WRITE_END 0x62 +#define KCS_CMD_READ_BYTE 0x68 + +static inline void set_state(struct kcs_bmc_ipmi *priv, u8 state) +{ + kcs_bmc_update_status(priv->client.dev, KCS_STATUS_STATE_MASK, KCS_STATUS_STATE(state)); +} + +static void kcs_bmc_ipmi_force_abort(struct kcs_bmc_ipmi *priv) +{ + set_state(priv, ERROR_STATE); + kcs_bmc_read_data(priv->client.dev); + kcs_bmc_write_data(priv->client.dev, KCS_ZERO_DATA); + + priv->phase = KCS_PHASE_ERROR; + priv->data_in_avail = false; + priv->data_in_idx = 0; +} + +static void kcs_bmc_ipmi_handle_data(struct kcs_bmc_ipmi *priv) +{ + struct kcs_bmc_device *dev; + u8 data; + + dev = priv->client.dev; + + switch (priv->phase) { + case KCS_PHASE_WRITE_START: + priv->phase = KCS_PHASE_WRITE_DATA; + fallthrough; + + case KCS_PHASE_WRITE_DATA: + if (priv->data_in_idx < KCS_MSG_BUFSIZ) { + set_state(priv, WRITE_STATE); + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + priv->data_in[priv->data_in_idx++] = kcs_bmc_read_data(dev); + } else { + kcs_bmc_ipmi_force_abort(priv); + priv->error = KCS_LENGTH_ERROR; + } + break; + + case KCS_PHASE_WRITE_END_CMD: + if (priv->data_in_idx < KCS_MSG_BUFSIZ) { + set_state(priv, READ_STATE); + priv->data_in[priv->data_in_idx++] = kcs_bmc_read_data(dev); + priv->phase = KCS_PHASE_WRITE_DONE; + priv->data_in_avail = true; + wake_up_interruptible(&priv->queue); + } else { + kcs_bmc_ipmi_force_abort(priv); + priv->error = KCS_LENGTH_ERROR; + } + break; + + case KCS_PHASE_READ: + if (priv->data_out_idx == priv->data_out_len) + set_state(priv, IDLE_STATE); + + data = kcs_bmc_read_data(dev); + if (data != KCS_CMD_READ_BYTE) { + set_state(priv, ERROR_STATE); + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + break; + } + + if (priv->data_out_idx == priv->data_out_len) { + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + priv->phase = KCS_PHASE_IDLE; + break; + } + + kcs_bmc_write_data(dev, priv->data_out[priv->data_out_idx++]); + break; + + case KCS_PHASE_ABORT_ERROR1: + set_state(priv, READ_STATE); + kcs_bmc_read_data(dev); + kcs_bmc_write_data(dev, priv->error); + priv->phase = KCS_PHASE_ABORT_ERROR2; + break; + + case KCS_PHASE_ABORT_ERROR2: + set_state(priv, IDLE_STATE); + kcs_bmc_read_data(dev); + kcs_bmc_write_data(dev, KCS_ZERO_DATA); + priv->phase = KCS_PHASE_IDLE; + break; + + default: + kcs_bmc_ipmi_force_abort(priv); + break; + } +} + +static void kcs_bmc_ipmi_handle_cmd(struct kcs_bmc_ipmi *priv) +{ + u8 cmd; + + set_state(priv, WRITE_STATE); + kcs_bmc_write_data(priv->client.dev, KCS_ZERO_DATA); + + cmd = kcs_bmc_read_data(priv->client.dev); + switch (cmd) { + case KCS_CMD_WRITE_START: + priv->phase = KCS_PHASE_WRITE_START; + priv->error = KCS_NO_ERROR; + priv->data_in_avail = false; + priv->data_in_idx = 0; + break; + + case KCS_CMD_WRITE_END: + if (priv->phase != KCS_PHASE_WRITE_DATA) { + kcs_bmc_ipmi_force_abort(priv); + break; + } + + priv->phase = KCS_PHASE_WRITE_END_CMD; + break; + + case KCS_CMD_GET_STATUS_ABORT: + if (priv->error == KCS_NO_ERROR) + priv->error = KCS_ABORTED_BY_COMMAND; + + priv->phase = KCS_PHASE_ABORT_ERROR1; + priv->data_in_avail = false; + priv->data_in_idx = 0; + break; + + default: + kcs_bmc_ipmi_force_abort(priv); + priv->error = KCS_ILLEGAL_CONTROL_CODE; + break; + } +} + +static inline struct kcs_bmc_ipmi *client_to_kcs_bmc_ipmi(struct kcs_bmc_client *client) +{ + return container_of(client, struct kcs_bmc_ipmi, client); +} + +static irqreturn_t kcs_bmc_ipmi_event(struct kcs_bmc_client *client) +{ + struct kcs_bmc_ipmi *priv; + u8 status; + int ret; + + priv = client_to_kcs_bmc_ipmi(client); + if (!priv) + return IRQ_NONE; + + spin_lock(&priv->lock); + + status = kcs_bmc_read_status(client->dev); + if (status & KCS_STATUS_IBF) { + if (status & KCS_STATUS_CMD_DAT) + kcs_bmc_ipmi_handle_cmd(priv); + else + kcs_bmc_ipmi_handle_data(priv); + + ret = IRQ_HANDLED; + } else { + ret = IRQ_NONE; + } + + spin_unlock(&priv->lock); + + return ret; +} + +static const struct kcs_bmc_client_ops kcs_bmc_ipmi_client_ops = { + .event = kcs_bmc_ipmi_event, +}; + +static inline struct kcs_bmc_ipmi *to_kcs_bmc(struct file *filp) +{ + return container_of(filp->private_data, struct kcs_bmc_ipmi, miscdev); +} + +static int kcs_bmc_ipmi_open(struct inode *inode, struct file *filp) +{ + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); + + return kcs_bmc_enable_device(priv->client.dev, &priv->client); +} + +static __poll_t kcs_bmc_ipmi_poll(struct file *filp, poll_table *wait) +{ + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); + __poll_t mask = 0; + + poll_wait(filp, &priv->queue, wait); + + spin_lock_irq(&priv->lock); + if (priv->data_in_avail) + mask |= EPOLLIN; + spin_unlock_irq(&priv->lock); + + return mask; +} + +static ssize_t kcs_bmc_ipmi_read(struct file *filp, char __user *buf, + size_t count, loff_t *ppos) +{ + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); + bool data_avail; + size_t data_len; + ssize_t ret; + + if (!(filp->f_flags & O_NONBLOCK)) + wait_event_interruptible(priv->queue, + priv->data_in_avail); + + mutex_lock(&priv->mutex); + + spin_lock_irq(&priv->lock); + data_avail = priv->data_in_avail; + if (data_avail) { + data_len = priv->data_in_idx; + memcpy(priv->kbuffer, priv->data_in, data_len); + } + spin_unlock_irq(&priv->lock); + + if (!data_avail) { + ret = -EAGAIN; + goto out_unlock; + } + + if (count < data_len) { + pr_err("channel=%u with too large data : %zu\n", + priv->client.dev->channel, data_len); + + spin_lock_irq(&priv->lock); + kcs_bmc_ipmi_force_abort(priv); + spin_unlock_irq(&priv->lock); + + ret = -EOVERFLOW; + goto out_unlock; + } + + if (copy_to_user(buf, priv->kbuffer, data_len)) { + ret = -EFAULT; + goto out_unlock; + } + + ret = data_len; + + spin_lock_irq(&priv->lock); + if (priv->phase == KCS_PHASE_WRITE_DONE) { + priv->phase = KCS_PHASE_WAIT_READ; + priv->data_in_avail = false; + priv->data_in_idx = 0; + } else { + ret = -EAGAIN; + } + spin_unlock_irq(&priv->lock); + +out_unlock: + mutex_unlock(&priv->mutex); + + return ret; +} + +static ssize_t kcs_bmc_ipmi_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); + ssize_t ret; + + /* a minimum response size '3' : netfn + cmd + ccode */ + if (count < 3 || count > KCS_MSG_BUFSIZ) + return -EINVAL; + + mutex_lock(&priv->mutex); + + if (copy_from_user(priv->kbuffer, buf, count)) { + ret = -EFAULT; + goto out_unlock; + } + + spin_lock_irq(&priv->lock); + if (priv->phase == KCS_PHASE_WAIT_READ) { + priv->phase = KCS_PHASE_READ; + priv->data_out_idx = 1; + priv->data_out_len = count; + memcpy(priv->data_out, priv->kbuffer, count); + kcs_bmc_write_data(priv->client.dev, priv->data_out[0]); + ret = count; + } else { + ret = -EINVAL; + } + spin_unlock_irq(&priv->lock); + +out_unlock: + mutex_unlock(&priv->mutex); + + return ret; +} + +static long kcs_bmc_ipmi_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); + long ret = 0; + + spin_lock_irq(&priv->lock); + + switch (cmd) { + case IPMI_BMC_IOCTL_SET_SMS_ATN: + kcs_bmc_update_status(priv->client.dev, KCS_STATUS_SMS_ATN, KCS_STATUS_SMS_ATN); + break; + + case IPMI_BMC_IOCTL_CLEAR_SMS_ATN: + kcs_bmc_update_status(priv->client.dev, KCS_STATUS_SMS_ATN, 0); + break; + + case IPMI_BMC_IOCTL_FORCE_ABORT: + kcs_bmc_ipmi_force_abort(priv); + break; + + default: + ret = -EINVAL; + break; + } + + spin_unlock_irq(&priv->lock); + + return ret; +} + +static int kcs_bmc_ipmi_release(struct inode *inode, struct file *filp) +{ + struct kcs_bmc_ipmi *priv = to_kcs_bmc(filp); + + kcs_bmc_ipmi_force_abort(priv); + kcs_bmc_disable_device(priv->client.dev, &priv->client); + + return 0; +} + +static const struct file_operations kcs_bmc_ipmi_fops = { + .owner = THIS_MODULE, + .open = kcs_bmc_ipmi_open, + .read = kcs_bmc_ipmi_read, + .write = kcs_bmc_ipmi_write, + .release = kcs_bmc_ipmi_release, + .poll = kcs_bmc_ipmi_poll, + .unlocked_ioctl = kcs_bmc_ipmi_ioctl, +}; + +static DEFINE_SPINLOCK(kcs_bmc_ipmi_instances_lock); +static LIST_HEAD(kcs_bmc_ipmi_instances); + +static int kcs_bmc_ipmi_add_device(struct kcs_bmc_device *kcs_bmc) +{ + struct kcs_bmc_ipmi *priv; + int rc; + + priv = devm_kzalloc(kcs_bmc->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + spin_lock_init(&priv->lock); + mutex_init(&priv->mutex); + + init_waitqueue_head(&priv->queue); + + priv->client.dev = kcs_bmc; + priv->client.ops = &kcs_bmc_ipmi_client_ops; + priv->data_in = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); + priv->data_out = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); + priv->kbuffer = devm_kmalloc(kcs_bmc->dev, KCS_MSG_BUFSIZ, GFP_KERNEL); + + priv->miscdev.minor = MISC_DYNAMIC_MINOR; + priv->miscdev.name = devm_kasprintf(kcs_bmc->dev, GFP_KERNEL, "%s%u", DEVICE_NAME, + kcs_bmc->channel); + if (!priv->data_in || !priv->data_out || !priv->kbuffer || !priv->miscdev.name) + return -EINVAL; + + priv->miscdev.fops = &kcs_bmc_ipmi_fops; + + rc = misc_register(&priv->miscdev); + if (rc) { + dev_err(kcs_bmc->dev, "Unable to register device: %d\n", rc); + return rc; + } + + spin_lock_irq(&kcs_bmc_ipmi_instances_lock); + list_add(&priv->entry, &kcs_bmc_ipmi_instances); + spin_unlock_irq(&kcs_bmc_ipmi_instances_lock); + + dev_info(kcs_bmc->dev, "Initialised IPMI client for channel %d", kcs_bmc->channel); + + return 0; +} + +static int kcs_bmc_ipmi_remove_device(struct kcs_bmc_device *kcs_bmc) +{ + struct kcs_bmc_ipmi *priv = NULL, *pos; + + spin_lock_irq(&kcs_bmc_ipmi_instances_lock); + list_for_each_entry(pos, &kcs_bmc_ipmi_instances, entry) { + if (pos->client.dev == kcs_bmc) { + priv = pos; + list_del(&pos->entry); + break; + } + } + spin_unlock_irq(&kcs_bmc_ipmi_instances_lock); + + if (!priv) + return -ENODEV; + + misc_deregister(&priv->miscdev); + kcs_bmc_disable_device(priv->client.dev, &priv->client); + devm_kfree(kcs_bmc->dev, priv->kbuffer); + devm_kfree(kcs_bmc->dev, priv->data_out); + devm_kfree(kcs_bmc->dev, priv->data_in); + devm_kfree(kcs_bmc->dev, priv); + + return 0; +} + +static const struct kcs_bmc_driver_ops kcs_bmc_ipmi_driver_ops = { + .add_device = kcs_bmc_ipmi_add_device, + .remove_device = kcs_bmc_ipmi_remove_device, +}; + +static struct kcs_bmc_driver kcs_bmc_ipmi_driver = { + .ops = &kcs_bmc_ipmi_driver_ops, +}; + +static int kcs_bmc_ipmi_init(void) +{ + kcs_bmc_register_driver(&kcs_bmc_ipmi_driver); + + return 0; +} +module_init(kcs_bmc_ipmi_init); + +static void kcs_bmc_ipmi_exit(void) +{ + kcs_bmc_unregister_driver(&kcs_bmc_ipmi_driver); +} +module_exit(kcs_bmc_ipmi_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Haiyue Wang <haiyue.wang@linux.intel.com>"); +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); +MODULE_DESCRIPTION("KCS BMC to handle the IPMI request from system software"); diff --git a/drivers/char/ipmi/kcs_bmc_cdev_raw.c b/drivers/char/ipmi/kcs_bmc_cdev_raw.c new file mode 100644 index 000000000000..6865628476e1 --- /dev/null +++ b/drivers/char/ipmi/kcs_bmc_cdev_raw.c @@ -0,0 +1,447 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Copyright (c) 2021 IBM Corp. */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/fs.h> +#include <linux/list.h> +#include <linux/miscdevice.h> +#include <linux/module.h> +#include <linux/poll.h> + +#include "kcs_bmc_client.h" + +#define DEVICE_NAME "raw-kcs" + +struct kcs_bmc_raw { + struct list_head entry; + + struct kcs_bmc_client client; + + wait_queue_head_t queue; + u8 events; + bool writable; + bool readable; + u8 idr; + + struct miscdevice miscdev; +}; + +static inline struct kcs_bmc_raw *client_to_kcs_bmc_raw(struct kcs_bmc_client *client) +{ + return container_of(client, struct kcs_bmc_raw, client); +} + +/* Call under priv->queue.lock */ +static void kcs_bmc_raw_update_event_mask(struct kcs_bmc_raw *priv, u8 mask, u8 state) +{ + kcs_bmc_update_event_mask(priv->client.dev, mask, state); + priv->events &= ~mask; + priv->events |= state & mask; +} + +static irqreturn_t kcs_bmc_raw_event(struct kcs_bmc_client *client) +{ + struct kcs_bmc_raw *priv; + struct device *dev; + u8 status, handled; + + priv = client_to_kcs_bmc_raw(client); + dev = priv->miscdev.this_device; + + spin_lock(&priv->queue.lock); + + status = kcs_bmc_read_status(client->dev); + handled = 0; + + if ((priv->events & KCS_BMC_EVENT_TYPE_IBF) && (status & KCS_BMC_STR_IBF)) { + if (priv->readable) + dev_err(dev, "Unexpected IBF IRQ, dropping data"); + + dev_dbg(dev, "Disabling IDR events for back-pressure\n"); + kcs_bmc_raw_update_event_mask(priv, KCS_BMC_EVENT_TYPE_IBF, 0); + priv->idr = kcs_bmc_read_data(client->dev); + priv->readable = true; + + dev_dbg(dev, "IDR read, waking waiters\n"); + wake_up_locked(&priv->queue); + + handled |= KCS_BMC_EVENT_TYPE_IBF; + } + + if ((priv->events & KCS_BMC_EVENT_TYPE_OBE) && !(status & KCS_BMC_STR_OBF)) { + kcs_bmc_raw_update_event_mask(priv, KCS_BMC_EVENT_TYPE_OBE, 0); + priv->writable = true; + + dev_dbg(dev, "ODR writable, waking waiters\n"); + wake_up_locked(&priv->queue); + + handled |= KCS_BMC_EVENT_TYPE_OBE; + } + + spin_unlock(&priv->queue.lock); + + return handled ? IRQ_HANDLED : IRQ_NONE; +} + +static const struct kcs_bmc_client_ops kcs_bmc_raw_client_ops = { + .event = kcs_bmc_raw_event, +}; + +static inline struct kcs_bmc_raw *file_to_kcs_bmc_raw(struct file *filp) +{ + return container_of(filp->private_data, struct kcs_bmc_raw, miscdev); +} + +static int kcs_bmc_raw_open(struct inode *inode, struct file *filp) +{ + struct kcs_bmc_raw *priv = file_to_kcs_bmc_raw(filp); + int rc; + + priv->events = KCS_BMC_EVENT_TYPE_IBF; + rc = kcs_bmc_enable_device(priv->client.dev, &priv->client); + if (rc) + priv->events = 0; + + return rc; +} + +static bool kcs_bmc_raw_prepare_obe(struct kcs_bmc_raw *priv) +{ + bool writable; + + /* Enable the OBE event so we can catch the host clearing OBF */ + kcs_bmc_raw_update_event_mask(priv, KCS_BMC_EVENT_TYPE_OBE, KCS_BMC_EVENT_TYPE_OBE); + + /* Now that we'll catch an OBE event, check if it's already occurred */ + writable = !(kcs_bmc_read_status(priv->client.dev) & KCS_BMC_STR_OBF); + + /* If OBF is clear we've missed the OBE event, so disable it */ + if (writable) + kcs_bmc_raw_update_event_mask(priv, KCS_BMC_EVENT_TYPE_OBE, 0); + + return writable; +} + +static __poll_t kcs_bmc_raw_poll(struct file *filp, poll_table *wait) +{ + struct kcs_bmc_raw *priv; + __poll_t events = 0; + + priv = file_to_kcs_bmc_raw(filp); + + poll_wait(filp, &priv->queue, wait); + + spin_lock_irq(&priv->queue.lock); + if (kcs_bmc_raw_prepare_obe(priv)) + events |= (EPOLLOUT | EPOLLWRNORM); + + if (priv->readable || (kcs_bmc_read_status(priv->client.dev) & KCS_BMC_STR_IBF)) + events |= (EPOLLIN | EPOLLRDNORM); + spin_unlock_irq(&priv->queue.lock); + + return events; +} + +static ssize_t kcs_bmc_raw_read(struct file *filp, char __user *buf, + size_t count, loff_t *ppos) +{ + struct kcs_bmc_device *kcs_bmc; + struct kcs_bmc_raw *priv; + bool read_idr, read_str; + struct device *dev; + u8 idr, str; + ssize_t rc; + + priv = file_to_kcs_bmc_raw(filp); + kcs_bmc = priv->client.dev; + dev = priv->miscdev.this_device; + + if (!count) + return 0; + + if (count > 2 || *ppos > 1) + return -EINVAL; + + if (*ppos + count > 2) + return -EINVAL; + + read_idr = (*ppos == 0); + read_str = (*ppos == 1) || (count == 2); + + spin_lock_irq(&priv->queue.lock); + if (read_idr) { + dev_dbg(dev, "Waiting for IBF\n"); + str = kcs_bmc_read_status(kcs_bmc); + if ((filp->f_flags & O_NONBLOCK) && (str & KCS_BMC_STR_IBF)) { + rc = -EWOULDBLOCK; + goto out; + } + + rc = wait_event_interruptible_locked(priv->queue, + priv->readable || (str & KCS_BMC_STR_IBF)); + if (rc < 0) + goto out; + + if (signal_pending(current)) { + dev_dbg(dev, "Interrupted waiting for IBF\n"); + rc = -EINTR; + goto out; + } + + /* + * Re-enable events prior to possible read of IDR (which clears + * IBF) to ensure we receive interrupts for subsequent writes + * to IDR. Writes to IDR by the host should not occur while IBF + * is set. + */ + dev_dbg(dev, "Woken by IBF, enabling IRQ\n"); + kcs_bmc_raw_update_event_mask(priv, KCS_BMC_EVENT_TYPE_IBF, + KCS_BMC_EVENT_TYPE_IBF); + + /* Read data out of IDR into internal storage if necessary */ + if (!priv->readable) { + WARN(!(str & KCS_BMC_STR_IBF), "Unknown reason for wakeup!"); + + priv->idr = kcs_bmc_read_data(kcs_bmc); + } + + /* Copy data from internal storage to userspace */ + idr = priv->idr; + + /* We're done consuming the internally stored value */ + priv->readable = false; + } + + if (read_str) { + str = kcs_bmc_read_status(kcs_bmc); + if (*ppos == 0 || priv->readable) + /* + * If we got this far with `*ppos == 0` then we've read + * data out of IDR, so set IBF when reporting back to + * userspace so userspace knows the IDR value is valid. + */ + str |= KCS_BMC_STR_IBF; + + dev_dbg(dev, "Read status 0x%x\n", str); + + } + + rc = count; +out: + spin_unlock_irq(&priv->queue.lock); + + if (rc < 0) + return rc; + + /* Now copy the data in to the userspace buffer */ + + if (read_idr) + if (copy_to_user(buf++, &idr, sizeof(idr))) + return -EFAULT; + + if (read_str) + if (copy_to_user(buf, &str, sizeof(str))) + return -EFAULT; + + return count; +} + +static ssize_t kcs_bmc_raw_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct kcs_bmc_device *kcs_bmc; + bool write_odr, write_str; + struct kcs_bmc_raw *priv; + struct device *dev; + ssize_t result; + u8 data[2]; + u8 str; + + priv = file_to_kcs_bmc_raw(filp); + kcs_bmc = priv->client.dev; + dev = priv->miscdev.this_device; + + if (!count) + return count; + + if (count > 2) + return -EINVAL; + + if (*ppos >= 2) + return -EINVAL; + + if (*ppos + count > 2) + return -EINVAL; + + if (copy_from_user(data, buf, count)) + return -EFAULT; + + write_odr = (*ppos == 0); + write_str = (*ppos == 1) || (count == 2); + + spin_lock_irq(&priv->queue.lock); + + /* Always write status before data, we generate the SerIRQ by writing ODR */ + if (write_str) { + /* The index of STR in the userspace buffer depends on whether ODR is written */ + str = data[*ppos == 0]; + if (!(str & KCS_BMC_STR_OBF)) + dev_warn(dev, "Clearing OBF with status write: 0x%x\n", str); + dev_dbg(dev, "Writing status 0x%x\n", str); + kcs_bmc_write_status(kcs_bmc, str); + } + + if (write_odr) { + /* If we're writing ODR it's always the first byte in the buffer */ + u8 odr = data[0]; + + str = kcs_bmc_read_status(kcs_bmc); + if (str & KCS_BMC_STR_OBF) { + if (filp->f_flags & O_NONBLOCK) { + result = -EWOULDBLOCK; + goto out; + } + + priv->writable = kcs_bmc_raw_prepare_obe(priv); + + /* Now either OBF is already clear, or we'll get an OBE event to wake us */ + dev_dbg(dev, "Waiting for OBF to clear\n"); + wait_event_interruptible_locked(priv->queue, priv->writable); + + if (signal_pending(current)) { + kcs_bmc_raw_update_event_mask(priv, KCS_BMC_EVENT_TYPE_OBE, 0); + result = -EINTR; + goto out; + } + + WARN_ON(kcs_bmc_read_status(kcs_bmc) & KCS_BMC_STR_OBF); + } + + dev_dbg(dev, "Writing 0x%x to ODR\n", odr); + kcs_bmc_write_data(kcs_bmc, odr); + } + + result = count; +out: + spin_unlock_irq(&priv->queue.lock); + + return result; +} + +static int kcs_bmc_raw_release(struct inode *inode, struct file *filp) +{ + struct kcs_bmc_raw *priv = file_to_kcs_bmc_raw(filp); + + kcs_bmc_disable_device(priv->client.dev, &priv->client); + priv->events = 0; + + return 0; +} + +static const struct file_operations kcs_bmc_raw_fops = { + .owner = THIS_MODULE, + .open = kcs_bmc_raw_open, + .llseek = no_seek_end_llseek, + .read = kcs_bmc_raw_read, + .write = kcs_bmc_raw_write, + .poll = kcs_bmc_raw_poll, + .release = kcs_bmc_raw_release, +}; + +static DEFINE_SPINLOCK(kcs_bmc_raw_instances_lock); +static LIST_HEAD(kcs_bmc_raw_instances); + +static int kcs_bmc_raw_add_device(struct kcs_bmc_device *kcs_bmc) +{ + struct kcs_bmc_raw *priv; + int rc; + + priv = devm_kzalloc(kcs_bmc->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->client.dev = kcs_bmc; + priv->client.ops = &kcs_bmc_raw_client_ops; + + init_waitqueue_head(&priv->queue); + priv->writable = false; + priv->readable = false; + + priv->miscdev.minor = MISC_DYNAMIC_MINOR; + priv->miscdev.name = devm_kasprintf(kcs_bmc->dev, GFP_KERNEL, "%s%u", DEVICE_NAME, + kcs_bmc->channel); + if (!priv->miscdev.name) + return -EINVAL; + + priv->miscdev.fops = &kcs_bmc_raw_fops; + + /* Disable interrupts until userspace opens the the chardev */ + kcs_bmc_raw_update_event_mask(priv, (KCS_BMC_EVENT_TYPE_IBF | KCS_BMC_EVENT_TYPE_OBE), 0); + + rc = misc_register(&priv->miscdev); + if (rc) { + dev_err(kcs_bmc->dev, "Unable to register device\n"); + return rc; + } + + spin_lock_irq(&kcs_bmc_raw_instances_lock); + list_add(&priv->entry, &kcs_bmc_raw_instances); + spin_unlock_irq(&kcs_bmc_raw_instances_lock); + + dev_info(kcs_bmc->dev, "Initialised raw client for channel %d", kcs_bmc->channel); + + return 0; +} + +static int kcs_bmc_raw_remove_device(struct kcs_bmc_device *kcs_bmc) +{ + struct kcs_bmc_raw *priv = NULL, *pos; + + spin_lock_irq(&kcs_bmc_raw_instances_lock); + list_for_each_entry(pos, &kcs_bmc_raw_instances, entry) { + if (pos->client.dev == kcs_bmc) { + priv = pos; + list_del(&pos->entry); + break; + } + } + spin_unlock_irq(&kcs_bmc_raw_instances_lock); + + if (!priv) + return -ENODEV; + + misc_deregister(&priv->miscdev); + kcs_bmc_disable_device(kcs_bmc, &priv->client); + devm_kfree(priv->client.dev->dev, priv); + + return 0; +} + +static const struct kcs_bmc_driver_ops kcs_bmc_raw_driver_ops = { + .add_device = kcs_bmc_raw_add_device, + .remove_device = kcs_bmc_raw_remove_device, +}; + +static struct kcs_bmc_driver kcs_bmc_raw_driver = { + .ops = &kcs_bmc_raw_driver_ops, +}; + +static int kcs_bmc_raw_init(void) +{ + kcs_bmc_register_driver(&kcs_bmc_raw_driver); + + return 0; +} +module_init(kcs_bmc_raw_init); + +static void kcs_bmc_raw_exit(void) +{ + kcs_bmc_unregister_driver(&kcs_bmc_raw_driver); +} +module_exit(kcs_bmc_raw_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); +MODULE_DESCRIPTION("Character device for raw access to a KCS device"); diff --git a/drivers/char/ipmi/kcs_bmc_client.h b/drivers/char/ipmi/kcs_bmc_client.h new file mode 100644 index 000000000000..6fdcde0a7169 --- /dev/null +++ b/drivers/char/ipmi/kcs_bmc_client.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021, IBM Corp. */ + +#ifndef __KCS_BMC_CONSUMER_H__ +#define __KCS_BMC_CONSUMER_H__ + +#include <linux/irqreturn.h> + +#include "kcs_bmc.h" + +struct kcs_bmc_driver_ops { + int (*add_device)(struct kcs_bmc_device *kcs_bmc); + int (*remove_device)(struct kcs_bmc_device *kcs_bmc); +}; + +struct kcs_bmc_driver { + struct list_head entry; + + const struct kcs_bmc_driver_ops *ops; +}; + +struct kcs_bmc_client_ops { + irqreturn_t (*event)(struct kcs_bmc_client *client); +}; + +struct kcs_bmc_client { + const struct kcs_bmc_client_ops *ops; + + struct kcs_bmc_device *dev; +}; + +void kcs_bmc_register_driver(struct kcs_bmc_driver *drv); +void kcs_bmc_unregister_driver(struct kcs_bmc_driver *drv); + +int kcs_bmc_enable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client); +void kcs_bmc_disable_device(struct kcs_bmc_device *kcs_bmc, struct kcs_bmc_client *client); + +void kcs_bmc_update_event_mask(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 events); + +u8 kcs_bmc_read_data(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_write_data(struct kcs_bmc_device *kcs_bmc, u8 data); +u8 kcs_bmc_read_status(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_write_status(struct kcs_bmc_device *kcs_bmc, u8 data); +void kcs_bmc_update_status(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 val); +#endif diff --git a/drivers/char/ipmi/kcs_bmc_device.h b/drivers/char/ipmi/kcs_bmc_device.h new file mode 100644 index 000000000000..17c572f25c54 --- /dev/null +++ b/drivers/char/ipmi/kcs_bmc_device.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2021, IBM Corp. */ + +#ifndef __KCS_BMC_DEVICE_H__ +#define __KCS_BMC_DEVICE_H__ + +#include <linux/irqreturn.h> + +#include "kcs_bmc.h" + +struct kcs_bmc_device_ops { + void (*irq_mask_update)(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 enable); + u8 (*io_inputb)(struct kcs_bmc_device *kcs_bmc, u32 reg); + void (*io_outputb)(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 b); + void (*io_updateb)(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 mask, u8 b); +}; + +irqreturn_t kcs_bmc_handle_event(struct kcs_bmc_device *kcs_bmc); +int kcs_bmc_add_device(struct kcs_bmc_device *kcs_bmc); +void kcs_bmc_remove_device(struct kcs_bmc_device *kcs_bmc); + +#endif diff --git a/drivers/char/ipmi/kcs_bmc_npcm7xx.c b/drivers/char/ipmi/kcs_bmc_npcm7xx.c index 722f7391fe1f..7961fec56476 100644 --- a/drivers/char/ipmi/kcs_bmc_npcm7xx.c +++ b/drivers/char/ipmi/kcs_bmc_npcm7xx.c @@ -17,7 +17,7 @@ #include <linux/regmap.h> #include <linux/slab.h> -#include "kcs_bmc.h" +#include "kcs_bmc_device.h" #define DEVICE_NAME "npcm-kcs-bmc" #define KCS_CHANNEL_MAX 3 @@ -38,6 +38,7 @@ #define KCS2CTL 0x2A #define KCS3CTL 0x3C #define KCS_CTL_IBFIE BIT(0) +#define KCS_CTL_OBEIE BIT(1) #define KCS1IE 0x1C #define KCS2IE 0x2E @@ -65,6 +66,8 @@ struct npcm7xx_kcs_reg { }; struct npcm7xx_kcs_bmc { + struct kcs_bmc_device kcs_bmc; + struct regmap *map; const struct npcm7xx_kcs_reg *reg; @@ -76,9 +79,14 @@ static const struct npcm7xx_kcs_reg npcm7xx_kcs_reg_tbl[KCS_CHANNEL_MAX] = { { .sts = KCS3ST, .dob = KCS3DO, .dib = KCS3DI, .ctl = KCS3CTL, .ie = KCS3IE }, }; -static u8 npcm7xx_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) +static inline struct npcm7xx_kcs_bmc *to_npcm7xx_kcs_bmc(struct kcs_bmc_device *kcs_bmc) { - struct npcm7xx_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + return container_of(kcs_bmc, struct npcm7xx_kcs_bmc, kcs_bmc); +} + +static u8 npcm7xx_kcs_inb(struct kcs_bmc_device *kcs_bmc, u32 reg) +{ + struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); u32 val = 0; int rc; @@ -88,37 +96,53 @@ static u8 npcm7xx_kcs_inb(struct kcs_bmc *kcs_bmc, u32 reg) return rc == 0 ? (u8)val : 0; } -static void npcm7xx_kcs_outb(struct kcs_bmc *kcs_bmc, u32 reg, u8 data) +static void npcm7xx_kcs_outb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 data) { - struct npcm7xx_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); int rc; rc = regmap_write(priv->map, reg, data); WARN(rc != 0, "regmap_write() failed: %d\n", rc); } -static void npcm7xx_kcs_enable_channel(struct kcs_bmc *kcs_bmc, bool enable) +static void npcm7xx_kcs_updateb(struct kcs_bmc_device *kcs_bmc, u32 reg, u8 mask, u8 data) { - struct npcm7xx_kcs_bmc *priv = kcs_bmc_priv(kcs_bmc); + struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); + int rc; - regmap_update_bits(priv->map, priv->reg->ctl, KCS_CTL_IBFIE, - enable ? KCS_CTL_IBFIE : 0); + rc = regmap_update_bits(priv->map, reg, mask, data); + WARN(rc != 0, "regmap_update_bits() failed: %d\n", rc); +} + +static void npcm7xx_kcs_enable_channel(struct kcs_bmc_device *kcs_bmc, bool enable) +{ + struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); regmap_update_bits(priv->map, priv->reg->ie, KCS_IE_IRQE | KCS_IE_HIRQE, enable ? KCS_IE_IRQE | KCS_IE_HIRQE : 0); } -static irqreturn_t npcm7xx_kcs_irq(int irq, void *arg) +static void npcm7xx_kcs_irq_mask_update(struct kcs_bmc_device *kcs_bmc, u8 mask, u8 state) { - struct kcs_bmc *kcs_bmc = arg; + struct npcm7xx_kcs_bmc *priv = to_npcm7xx_kcs_bmc(kcs_bmc); + + if (mask & KCS_BMC_EVENT_TYPE_OBE) + regmap_update_bits(priv->map, priv->reg->ctl, KCS_CTL_OBEIE, + !!(state & KCS_BMC_EVENT_TYPE_OBE) * KCS_CTL_OBEIE); - if (!kcs_bmc_handle_event(kcs_bmc)) - return IRQ_HANDLED; + if (mask & KCS_BMC_EVENT_TYPE_IBF) + regmap_update_bits(priv->map, priv->reg->ctl, KCS_CTL_IBFIE, + !!(state & KCS_BMC_EVENT_TYPE_IBF) * KCS_CTL_IBFIE); +} - return IRQ_NONE; +static irqreturn_t npcm7xx_kcs_irq(int irq, void *arg) +{ + struct kcs_bmc_device *kcs_bmc = arg; + + return kcs_bmc_handle_event(kcs_bmc); } -static int npcm7xx_kcs_config_irq(struct kcs_bmc *kcs_bmc, +static int npcm7xx_kcs_config_irq(struct kcs_bmc_device *kcs_bmc, struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -132,11 +156,18 @@ static int npcm7xx_kcs_config_irq(struct kcs_bmc *kcs_bmc, dev_name(dev), kcs_bmc); } +static const struct kcs_bmc_device_ops npcm7xx_kcs_ops = { + .irq_mask_update = npcm7xx_kcs_irq_mask_update, + .io_inputb = npcm7xx_kcs_inb, + .io_outputb = npcm7xx_kcs_outb, + .io_updateb = npcm7xx_kcs_updateb, +}; + static int npcm7xx_kcs_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct npcm7xx_kcs_bmc *priv; - struct kcs_bmc *kcs_bmc; + struct kcs_bmc_device *kcs_bmc; u32 chan; int rc; @@ -146,11 +177,10 @@ static int npcm7xx_kcs_probe(struct platform_device *pdev) return -ENODEV; } - kcs_bmc = kcs_bmc_alloc(dev, sizeof(*priv), chan); - if (!kcs_bmc) + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) return -ENOMEM; - priv = kcs_bmc_priv(kcs_bmc); priv->map = syscon_node_to_regmap(dev->parent->of_node); if (IS_ERR(priv->map)) { dev_err(dev, "Couldn't get regmap\n"); @@ -158,22 +188,26 @@ static int npcm7xx_kcs_probe(struct platform_device *pdev) } priv->reg = &npcm7xx_kcs_reg_tbl[chan - 1]; + kcs_bmc = &priv->kcs_bmc; + kcs_bmc->dev = &pdev->dev; + kcs_bmc->channel = chan; kcs_bmc->ioreg.idr = priv->reg->dib; kcs_bmc->ioreg.odr = priv->reg->dob; kcs_bmc->ioreg.str = priv->reg->sts; - kcs_bmc->io_inputb = npcm7xx_kcs_inb; - kcs_bmc->io_outputb = npcm7xx_kcs_outb; + kcs_bmc->ops = &npcm7xx_kcs_ops; - dev_set_drvdata(dev, kcs_bmc); + platform_set_drvdata(pdev, priv); - npcm7xx_kcs_enable_channel(kcs_bmc, true); rc = npcm7xx_kcs_config_irq(kcs_bmc, pdev); if (rc) return rc; - rc = misc_register(&kcs_bmc->miscdev); + npcm7xx_kcs_irq_mask_update(kcs_bmc, (KCS_BMC_EVENT_TYPE_IBF | KCS_BMC_EVENT_TYPE_OBE), 0); + npcm7xx_kcs_enable_channel(kcs_bmc, true); + + rc = kcs_bmc_add_device(kcs_bmc); if (rc) { - dev_err(dev, "Unable to register device\n"); + dev_warn(&pdev->dev, "Failed to register channel %d: %d\n", kcs_bmc->channel, rc); return rc; } @@ -186,9 +220,13 @@ static int npcm7xx_kcs_probe(struct platform_device *pdev) static int npcm7xx_kcs_remove(struct platform_device *pdev) { - struct kcs_bmc *kcs_bmc = dev_get_drvdata(&pdev->dev); + struct npcm7xx_kcs_bmc *priv = platform_get_drvdata(pdev); + struct kcs_bmc_device *kcs_bmc = &priv->kcs_bmc; + + kcs_bmc_remove_device(kcs_bmc); - misc_deregister(&kcs_bmc->miscdev); + npcm7xx_kcs_enable_channel(kcs_bmc, false); + npcm7xx_kcs_irq_mask_update(kcs_bmc, (KCS_BMC_EVENT_TYPE_IBF | KCS_BMC_EVENT_TYPE_OBE), 0); return 0; } diff --git a/drivers/char/ipmi/kcs_bmc_serio.c b/drivers/char/ipmi/kcs_bmc_serio.c new file mode 100644 index 000000000000..7948cabde50b --- /dev/null +++ b/drivers/char/ipmi/kcs_bmc_serio.c @@ -0,0 +1,157 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* Copyright (c) 2021 IBM Corp. */ + +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/errno.h> +#include <linux/list.h> +#include <linux/module.h> +#include <linux/sched/signal.h> +#include <linux/serio.h> +#include <linux/slab.h> + +#include "kcs_bmc_client.h" + +struct kcs_bmc_serio { + struct list_head entry; + + struct kcs_bmc_client client; + struct serio *port; + + spinlock_t lock; +}; + +static inline struct kcs_bmc_serio *client_to_kcs_bmc_serio(struct kcs_bmc_client *client) +{ + return container_of(client, struct kcs_bmc_serio, client); +} + +static irqreturn_t kcs_bmc_serio_event(struct kcs_bmc_client *client) +{ + struct kcs_bmc_serio *priv; + u8 handled = IRQ_NONE; + u8 status; + + priv = client_to_kcs_bmc_serio(client); + + spin_lock(&priv->lock); + + status = kcs_bmc_read_status(client->dev); + + if (status & KCS_BMC_STR_IBF) + handled = serio_interrupt(priv->port, kcs_bmc_read_data(client->dev), 0); + + spin_unlock(&priv->lock); + + return handled; +} + +static const struct kcs_bmc_client_ops kcs_bmc_serio_client_ops = { + .event = kcs_bmc_serio_event, +}; + +static int kcs_bmc_serio_open(struct serio *port) +{ + struct kcs_bmc_serio *priv = port->port_data; + + return kcs_bmc_enable_device(priv->client.dev, &priv->client); +} + +static void kcs_bmc_serio_close(struct serio *port) +{ + struct kcs_bmc_serio *priv = port->port_data; + + kcs_bmc_disable_device(priv->client.dev, &priv->client); +} + +static DEFINE_SPINLOCK(kcs_bmc_serio_instances_lock); +static LIST_HEAD(kcs_bmc_serio_instances); + +static int kcs_bmc_serio_add_device(struct kcs_bmc_device *kcs_bmc) +{ + struct kcs_bmc_serio *priv; + struct serio *port; + + priv = devm_kzalloc(kcs_bmc->dev, sizeof(*priv), GFP_KERNEL); + + /* Use kzalloc() as the allocation is cleaned up with kfree() via serio_unregister_port() */ + port = kzalloc(sizeof(*port), GFP_KERNEL); + if (!(priv && port)) + return -ENOMEM; + + port->id.type = SERIO_8042; + port->open = kcs_bmc_serio_open; + port->close = kcs_bmc_serio_close; + port->port_data = priv; + port->dev.parent = kcs_bmc->dev; + + spin_lock_init(&priv->lock); + priv->port = port; + priv->client.dev = kcs_bmc; + priv->client.ops = &kcs_bmc_serio_client_ops; + + spin_lock_irq(&kcs_bmc_serio_instances_lock); + list_add(&priv->entry, &kcs_bmc_serio_instances); + spin_unlock_irq(&kcs_bmc_serio_instances_lock); + + serio_register_port(port); + + dev_info(kcs_bmc->dev, "Initialised serio client for channel %d", kcs_bmc->channel); + + return 0; +} + +static int kcs_bmc_serio_remove_device(struct kcs_bmc_device *kcs_bmc) +{ + struct kcs_bmc_serio *priv = NULL, *pos; + + spin_lock_irq(&kcs_bmc_serio_instances_lock); + list_for_each_entry(pos, &kcs_bmc_serio_instances, entry) { + if (pos->client.dev == kcs_bmc) { + priv = pos; + list_del(&pos->entry); + break; + } + } + spin_unlock_irq(&kcs_bmc_serio_instances_lock); + + if (!priv) + return -ENODEV; + + /* kfree()s priv->port via put_device() */ + serio_unregister_port(priv->port); + + /* Ensure the IBF IRQ is disabled if we were the active client */ + kcs_bmc_disable_device(kcs_bmc, &priv->client); + + devm_kfree(priv->client.dev->dev, priv); + + return 0; +} + +static const struct kcs_bmc_driver_ops kcs_bmc_serio_driver_ops = { + .add_device = kcs_bmc_serio_add_device, + .remove_device = kcs_bmc_serio_remove_device, +}; + +static struct kcs_bmc_driver kcs_bmc_serio_driver = { + .ops = &kcs_bmc_serio_driver_ops, +}; + +static int kcs_bmc_serio_init(void) +{ + kcs_bmc_register_driver(&kcs_bmc_serio_driver); + + return 0; +} +module_init(kcs_bmc_serio_init); + +static void kcs_bmc_serio_exit(void) +{ + kcs_bmc_unregister_driver(&kcs_bmc_serio_driver); +} +module_exit(kcs_bmc_serio_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); +MODULE_DESCRIPTION("Adapter driver for serio access to BMC KCS devices"); diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 90284ffda58a..f2db761ee548 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -59,6 +59,7 @@ config DMA_OF #devices config ALTERA_MSGDMA tristate "Altera / Intel mSGDMA Engine" + depends on HAS_IOMEM select DMA_ENGINE help Enable support for Altera / Intel mSGDMA controller. diff --git a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c index 4ec909e0b810..4ae057922ef1 100644 --- a/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c +++ b/drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c @@ -332,6 +332,7 @@ static int __cold dpaa2_qdma_setup(struct fsl_mc_device *ls_dev) } if (priv->dpdmai_attr.version.major > DPDMAI_VER_MAJOR) { + err = -EINVAL; dev_err(dev, "DPDMAI major version mismatch\n" "Found %u.%u, supported version is %u.%u\n", priv->dpdmai_attr.version.major, @@ -341,6 +342,7 @@ static int __cold dpaa2_qdma_setup(struct fsl_mc_device *ls_dev) } if (priv->dpdmai_attr.version.minor > DPDMAI_VER_MINOR) { + err = -EINVAL; dev_err(dev, "DPDMAI minor version mismatch\n" "Found %u.%u, supported version is %u.%u\n", priv->dpdmai_attr.version.major, @@ -475,6 +477,7 @@ static int __cold dpaa2_qdma_dpio_setup(struct dpaa2_qdma_priv *priv) ppriv->store = dpaa2_io_store_create(DPAA2_QDMA_STORE_SIZE, dev); if (!ppriv->store) { + err = -ENOMEM; dev_err(dev, "dpaa2_io_store_create() failed\n"); goto err_store; } diff --git a/drivers/dma/idxd/init.c b/drivers/dma/idxd/init.c index f4c7ce8cb399..048a23018a3d 100644 --- a/drivers/dma/idxd/init.c +++ b/drivers/dma/idxd/init.c @@ -518,6 +518,7 @@ module_init(idxd_init_module); static void __exit idxd_exit_module(void) { + idxd_unregister_driver(); pci_unregister_driver(&idxd_pci_driver); idxd_cdev_remove(); idxd_unregister_bus_type(); diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 0f5c19370f6d..dfbf514188f3 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2696,13 +2696,15 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( for (i = 0; i < len / period_len; i++) { desc = pl330_get_desc(pch); if (!desc) { + unsigned long iflags; + dev_err(pch->dmac->ddma.dev, "%s:%d Unable to fetch desc\n", __func__, __LINE__); if (!first) return NULL; - spin_lock_irqsave(&pl330->pool_lock, flags); + spin_lock_irqsave(&pl330->pool_lock, iflags); while (!list_empty(&first->node)) { desc = list_entry(first->node.next, @@ -2712,7 +2714,7 @@ static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( list_move_tail(&first->node, &pl330->desc_pool); - spin_unlock_irqrestore(&pl330->pool_lock, flags); + spin_unlock_irqrestore(&pl330->pool_lock, iflags); return NULL; } diff --git a/drivers/dma/qcom/Kconfig b/drivers/dma/qcom/Kconfig index 3bcb689162c6..ef038f3c5e32 100644 --- a/drivers/dma/qcom/Kconfig +++ b/drivers/dma/qcom/Kconfig @@ -10,6 +10,7 @@ config QCOM_BAM_DMA config QCOM_HIDMA_MGMT tristate "Qualcomm Technologies HIDMA Management support" + depends on HAS_IOMEM select DMA_ENGINE help Enable support for the Qualcomm Technologies HIDMA Management. diff --git a/drivers/dma/sf-pdma/Kconfig b/drivers/dma/sf-pdma/Kconfig index f8ffa02e279f..ba46a0a15a93 100644 --- a/drivers/dma/sf-pdma/Kconfig +++ b/drivers/dma/sf-pdma/Kconfig @@ -1,5 +1,6 @@ config SF_PDMA tristate "Sifive PDMA controller driver" + depends on HAS_IOMEM select DMA_ENGINE select DMA_VIRTUAL_CHANNELS help diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index 77ab1f4730be..b35b97cb8fd2 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3676,6 +3676,9 @@ static int __init d40_probe(struct platform_device *pdev) kfree(base->lcla_pool.base_unaligned); + if (base->lcpa_base) + iounmap(base->lcpa_base); + if (base->phy_lcpa) release_mem_region(base->phy_lcpa, base->lcpa_size); diff --git a/drivers/dma/xilinx/xilinx_dpdma.c b/drivers/dma/xilinx/xilinx_dpdma.c index 70b29bd079c9..ff7dfb3fdeb4 100644 --- a/drivers/dma/xilinx/xilinx_dpdma.c +++ b/drivers/dma/xilinx/xilinx_dpdma.c @@ -1459,7 +1459,7 @@ static void xilinx_dpdma_enable_irq(struct xilinx_dpdma_device *xdev) */ static void xilinx_dpdma_disable_irq(struct xilinx_dpdma_device *xdev) { - dpdma_write(xdev->reg, XILINX_DPDMA_IDS, XILINX_DPDMA_INTR_ERR_ALL); + dpdma_write(xdev->reg, XILINX_DPDMA_IDS, XILINX_DPDMA_INTR_ALL); dpdma_write(xdev->reg, XILINX_DPDMA_EIDS, XILINX_DPDMA_EINTR_ALL); } @@ -1596,6 +1596,26 @@ static struct dma_chan *of_dma_xilinx_xlate(struct of_phandle_args *dma_spec, return dma_get_slave_channel(&xdev->chan[chan_id]->vchan.chan); } +static void dpdma_hw_init(struct xilinx_dpdma_device *xdev) +{ + unsigned int i; + void __iomem *reg; + + /* Disable all interrupts */ + xilinx_dpdma_disable_irq(xdev); + + /* Stop all channels */ + for (i = 0; i < ARRAY_SIZE(xdev->chan); i++) { + reg = xdev->reg + XILINX_DPDMA_CH_BASE + + XILINX_DPDMA_CH_OFFSET * i; + dpdma_clr(reg, XILINX_DPDMA_CH_CNTL, XILINX_DPDMA_CH_CNTL_ENABLE); + } + + /* Clear the interrupt status registers */ + dpdma_write(xdev->reg, XILINX_DPDMA_ISR, XILINX_DPDMA_INTR_ALL); + dpdma_write(xdev->reg, XILINX_DPDMA_EISR, XILINX_DPDMA_EINTR_ALL); +} + static int xilinx_dpdma_probe(struct platform_device *pdev) { struct xilinx_dpdma_device *xdev; @@ -1622,6 +1642,8 @@ static int xilinx_dpdma_probe(struct platform_device *pdev) if (IS_ERR(xdev->reg)) return PTR_ERR(xdev->reg); + dpdma_hw_init(xdev); + xdev->irq = platform_get_irq(pdev, 0); if (xdev->irq < 0) { dev_err(xdev->dev, "failed to get platform irq\n"); diff --git a/drivers/gpio/gpio-wcd934x.c b/drivers/gpio/gpio-wcd934x.c index 1cbce5990855..97e6caedf1f3 100644 --- a/drivers/gpio/gpio-wcd934x.c +++ b/drivers/gpio/gpio-wcd934x.c @@ -7,7 +7,7 @@ #include <linux/slab.h> #include <linux/of_device.h> -#define WCD_PIN_MASK(p) BIT(p - 1) +#define WCD_PIN_MASK(p) BIT(p) #define WCD_REG_DIR_CTL_OFFSET 0x42 #define WCD_REG_VAL_CTL_OFFSET 0x43 #define WCD934X_NPINS 5 diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c index 8f4a8f8d8146..39b6c6bfab45 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fru_eeprom.c @@ -101,7 +101,8 @@ static int amdgpu_fru_read_eeprom(struct amdgpu_device *adev, uint32_t addrptr, int amdgpu_fru_get_product_info(struct amdgpu_device *adev) { unsigned char buff[34]; - int addrptr = 0, size = 0; + int addrptr, size; + int len; if (!is_fru_eeprom_supported(adev)) return 0; @@ -109,7 +110,7 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev) /* If algo exists, it means that the i2c_adapter's initialized */ if (!adev->pm.smu_i2c.algo) { DRM_WARN("Cannot access FRU, EEPROM accessor not initialized"); - return 0; + return -ENODEV; } /* There's a lot of repetition here. This is due to the FRU having @@ -128,7 +129,7 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev) size = amdgpu_fru_read_eeprom(adev, addrptr, buff); if (size < 1) { DRM_ERROR("Failed to read FRU Manufacturer, ret:%d", size); - return size; + return -EINVAL; } /* Increment the addrptr by the size of the field, and 1 due to the @@ -138,43 +139,45 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev) size = amdgpu_fru_read_eeprom(adev, addrptr, buff); if (size < 1) { DRM_ERROR("Failed to read FRU product name, ret:%d", size); - return size; + return -EINVAL; } + len = size; /* Product name should only be 32 characters. Any more, * and something could be wrong. Cap it at 32 to be safe */ - if (size > 32) { + if (len >= sizeof(adev->product_name)) { DRM_WARN("FRU Product Number is larger than 32 characters. This is likely a mistake"); - size = 32; + len = sizeof(adev->product_name) - 1; } /* Start at 2 due to buff using fields 0 and 1 for the address */ - memcpy(adev->product_name, &buff[2], size); - adev->product_name[size] = '\0'; + memcpy(adev->product_name, &buff[2], len); + adev->product_name[len] = '\0'; addrptr += size + 1; size = amdgpu_fru_read_eeprom(adev, addrptr, buff); if (size < 1) { DRM_ERROR("Failed to read FRU product number, ret:%d", size); - return size; + return -EINVAL; } + len = size; /* Product number should only be 16 characters. Any more, * and something could be wrong. Cap it at 16 to be safe */ - if (size > 16) { + if (len >= sizeof(adev->product_number)) { DRM_WARN("FRU Product Number is larger than 16 characters. This is likely a mistake"); - size = 16; + len = sizeof(adev->product_number) - 1; } - memcpy(adev->product_number, &buff[2], size); - adev->product_number[size] = '\0'; + memcpy(adev->product_number, &buff[2], len); + adev->product_number[len] = '\0'; addrptr += size + 1; size = amdgpu_fru_read_eeprom(adev, addrptr, buff); if (size < 1) { DRM_ERROR("Failed to read FRU product version, ret:%d", size); - return size; + return -EINVAL; } addrptr += size + 1; @@ -182,18 +185,19 @@ int amdgpu_fru_get_product_info(struct amdgpu_device *adev) if (size < 1) { DRM_ERROR("Failed to read FRU serial number, ret:%d", size); - return size; + return -EINVAL; } + len = size; /* Serial number should only be 16 characters. Any more, * and something could be wrong. Cap it at 16 to be safe */ - if (size > 16) { + if (len >= sizeof(adev->serial)) { DRM_WARN("FRU Serial Number is larger than 16 characters. This is likely a mistake"); - size = 16; + len = sizeof(adev->serial) - 1; } - memcpy(adev->serial, &buff[2], size); - adev->serial[size] = '\0'; + memcpy(adev->serial, &buff[2], len); + adev->serial[len] = '\0'; return 0; } diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 919d2fb7427b..60b7563f4c05 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -73,6 +73,7 @@ struct psp_ring uint64_t ring_mem_mc_addr; void *ring_mem_handle; uint32_t ring_size; + uint32_t ring_wptr; }; /* More registers may will be supported */ diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c index fc8da5fed779..3c92dacbc24a 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c @@ -6590,8 +6590,12 @@ static int gfx_v10_0_kiq_init_register(struct amdgpu_ring *ring) if (ring->use_doorbell) { WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER, (adev->doorbell_index.kiq * 2) << 2); + /* If GC has entered CGPG, ringing doorbell > first page doesn't + * wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround + * this issue. + */ WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER, - (adev->doorbell_index.userqueue_end * 2) << 2); + (adev->doorbell.size - 4)); } WREG32_SOC15(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c index fb15e8b5af32..1859d293ef71 100644 --- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c @@ -3619,8 +3619,12 @@ static int gfx_v9_0_kiq_init_register(struct amdgpu_ring *ring) if (ring->use_doorbell) { WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_LOWER, (adev->doorbell_index.kiq * 2) << 2); + /* If GC has entered CGPG, ringing doorbell > first page doesn't + * wakeup GC. Enlarge CP_MEC_DOORBELL_RANGE_UPPER to workaround + * this issue. + */ WREG32_SOC15(GC, 0, mmCP_MEC_DOORBELL_RANGE_UPPER, - (adev->doorbell_index.userqueue_end * 2) << 2); + (adev->doorbell.size - 4)); } WREG32_SOC15_RLC(GC, 0, mmCP_HQD_PQ_DOORBELL_CONTROL, diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index 6c5d9612abcb..cb764b554552 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -732,7 +732,7 @@ static uint32_t psp_v11_0_ring_get_wptr(struct psp_context *psp) struct amdgpu_device *adev = psp->adev; if (amdgpu_sriov_vf(adev)) - data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102); + data = psp->km_ring.ring_wptr; else data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); @@ -746,6 +746,7 @@ static void psp_v11_0_ring_set_wptr(struct psp_context *psp, uint32_t value) if (amdgpu_sriov_vf(adev)) { WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102, value); WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD); + psp->km_ring.ring_wptr = value; } else WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); } diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c index f2e725f72d2f..908664a5774b 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v3_1.c @@ -379,7 +379,7 @@ static uint32_t psp_v3_1_ring_get_wptr(struct psp_context *psp) struct amdgpu_device *adev = psp->adev; if (amdgpu_sriov_vf(adev)) - data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_102); + data = psp->km_ring.ring_wptr; else data = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67); return data; @@ -394,6 +394,7 @@ static void psp_v3_1_ring_set_wptr(struct psp_context *psp, uint32_t value) /* send interrupt to PSP for SRIOV ring write pointer update */ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_101, GFX_CTRL_CMD_ID_CONSUME_CMD); + psp->km_ring.ring_wptr = value; } else WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value); } 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 fbbb1bde6b06..df26c07cb912 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c @@ -870,7 +870,8 @@ static int dm_dmub_hw_init(struct amdgpu_device *adev) abm->dmcu_is_running = dmcu->funcs->is_dmcu_initialized(dmcu); } - adev->dm.dc->ctx->dmub_srv = dc_dmub_srv_create(adev->dm.dc, dmub_srv); + if (!adev->dm.dc->ctx->dmub_srv) + adev->dm.dc->ctx->dmub_srv = dc_dmub_srv_create(adev->dm.dc, dmub_srv); if (!adev->dm.dc->ctx->dmub_srv) { DRM_ERROR("Couldn't allocate DC DMUB server!\n"); return -ENOMEM; @@ -1755,7 +1756,6 @@ static int dm_suspend(void *handle) amdgpu_dm_irq_suspend(adev); - dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3); return 0; diff --git a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c index 33488b3c5c3c..1812ec7ee11b 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_resource.c @@ -3232,7 +3232,7 @@ static noinline bool dcn20_validate_bandwidth_fp(struct dc *dc, voltage_supported = dcn20_validate_bandwidth_internal(dc, context, false); dummy_pstate_supported = context->bw_ctx.bw.dcn.clk.p_state_change_support; - if (voltage_supported && dummy_pstate_supported) { + if (voltage_supported && (dummy_pstate_supported || !(context->stream_count))) { context->bw_ctx.bw.dcn.clk.p_state_change_support = false; goto restore_dml_state; } diff --git a/drivers/gpu/drm/drm_auth.c b/drivers/gpu/drm/drm_auth.c index f2d46b7ac6f9..232abbba3686 100644 --- a/drivers/gpu/drm/drm_auth.c +++ b/drivers/gpu/drm/drm_auth.c @@ -314,9 +314,10 @@ int drm_master_open(struct drm_file *file_priv) void drm_master_release(struct drm_file *file_priv) { struct drm_device *dev = file_priv->minor->dev; - struct drm_master *master = file_priv->master; + struct drm_master *master; mutex_lock(&dev->master_mutex); + master = file_priv->master; if (file_priv->magic) idr_remove(&file_priv->master->magic_map, file_priv->magic); diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 789ee65ac1f5..ae647be4a49f 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -118,17 +118,18 @@ int drm_getunique(struct drm_device *dev, void *data, struct drm_file *file_priv) { struct drm_unique *u = data; - struct drm_master *master = file_priv->master; + struct drm_master *master; - mutex_lock(&master->dev->master_mutex); + mutex_lock(&dev->master_mutex); + master = file_priv->master; if (u->unique_len >= master->unique_len) { if (copy_to_user(u->unique, master->unique, master->unique_len)) { - mutex_unlock(&master->dev->master_mutex); + mutex_unlock(&dev->master_mutex); return -EFAULT; } } u->unique_len = master->unique_len; - mutex_unlock(&master->dev->master_mutex); + mutex_unlock(&dev->master_mutex); return 0; } diff --git a/drivers/gpu/drm/mcde/mcde_dsi.c b/drivers/gpu/drm/mcde/mcde_dsi.c index b3fd3501c412..5275b2723293 100644 --- a/drivers/gpu/drm/mcde/mcde_dsi.c +++ b/drivers/gpu/drm/mcde/mcde_dsi.c @@ -577,7 +577,7 @@ static void mcde_dsi_setup_video_mode(struct mcde_dsi *d, * porches and sync. */ /* (ps/s) / (pixels/s) = ps/pixels */ - pclk = DIV_ROUND_UP_ULL(1000000000000, mode->clock); + pclk = DIV_ROUND_UP_ULL(1000000000000, (mode->clock * 1000)); dev_dbg(d->dev, "picoseconds between two pixels: %llu\n", pclk); diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c index 722c2fe3bfd5..2dcbe02846cd 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.c @@ -154,7 +154,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) * GPU registers so we need to add 0x1a800 to the register value on A630 * to get the right value from PM4. */ - get_stats_counter(ring, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L + 0x1a800, + get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO, rbmemptr_stats(ring, index, alwayson_start)); /* Invalidate CCU depth and color */ @@ -184,7 +184,7 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) get_stats_counter(ring, REG_A6XX_RBBM_PERFCTR_CP_0_LO, rbmemptr_stats(ring, index, cpcycles_end)); - get_stats_counter(ring, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L + 0x1a800, + get_stats_counter(ring, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO, rbmemptr_stats(ring, index, alwayson_end)); /* Write the fence to the scratch register */ @@ -203,8 +203,8 @@ static void a6xx_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) OUT_RING(ring, submit->seqno); trace_msm_gpu_submit_flush(submit, - gmu_read64(&a6xx_gpu->gmu, REG_A6XX_GMU_ALWAYS_ON_COUNTER_L, - REG_A6XX_GMU_ALWAYS_ON_COUNTER_H)); + gpu_read64(gpu, REG_A6XX_CP_ALWAYS_ON_COUNTER_LO, + REG_A6XX_CP_ALWAYS_ON_COUNTER_HI)); a6xx_flush(gpu, ring); } @@ -459,6 +459,113 @@ static void a6xx_set_hwcg(struct msm_gpu *gpu, bool state) gpu_write(gpu, REG_A6XX_RBBM_CLOCK_CNTL, state ? clock_cntl_on : 0); } +/* For a615, a616, a618, A619, a630, a640 and a680 */ +static const u32 a6xx_protect[] = { + A6XX_PROTECT_RDONLY(0x00000, 0x04ff), + A6XX_PROTECT_RDONLY(0x00501, 0x0005), + A6XX_PROTECT_RDONLY(0x0050b, 0x02f4), + A6XX_PROTECT_NORDWR(0x0050e, 0x0000), + A6XX_PROTECT_NORDWR(0x00510, 0x0000), + A6XX_PROTECT_NORDWR(0x00534, 0x0000), + A6XX_PROTECT_NORDWR(0x00800, 0x0082), + A6XX_PROTECT_NORDWR(0x008a0, 0x0008), + A6XX_PROTECT_NORDWR(0x008ab, 0x0024), + A6XX_PROTECT_RDONLY(0x008de, 0x00ae), + A6XX_PROTECT_NORDWR(0x00900, 0x004d), + A6XX_PROTECT_NORDWR(0x0098d, 0x0272), + A6XX_PROTECT_NORDWR(0x00e00, 0x0001), + A6XX_PROTECT_NORDWR(0x00e03, 0x000c), + A6XX_PROTECT_NORDWR(0x03c00, 0x00c3), + A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff), + A6XX_PROTECT_NORDWR(0x08630, 0x01cf), + A6XX_PROTECT_NORDWR(0x08e00, 0x0000), + A6XX_PROTECT_NORDWR(0x08e08, 0x0000), + A6XX_PROTECT_NORDWR(0x08e50, 0x001f), + A6XX_PROTECT_NORDWR(0x09624, 0x01db), + A6XX_PROTECT_NORDWR(0x09e70, 0x0001), + A6XX_PROTECT_NORDWR(0x09e78, 0x0187), + A6XX_PROTECT_NORDWR(0x0a630, 0x01cf), + A6XX_PROTECT_NORDWR(0x0ae02, 0x0000), + A6XX_PROTECT_NORDWR(0x0ae50, 0x032f), + A6XX_PROTECT_NORDWR(0x0b604, 0x0000), + A6XX_PROTECT_NORDWR(0x0be02, 0x0001), + A6XX_PROTECT_NORDWR(0x0be20, 0x17df), + A6XX_PROTECT_NORDWR(0x0f000, 0x0bff), + A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff), + A6XX_PROTECT_NORDWR(0x11c00, 0x0000), /* note: infinite range */ +}; + +/* These are for a620 and a650 */ +static const u32 a650_protect[] = { + A6XX_PROTECT_RDONLY(0x00000, 0x04ff), + A6XX_PROTECT_RDONLY(0x00501, 0x0005), + A6XX_PROTECT_RDONLY(0x0050b, 0x02f4), + A6XX_PROTECT_NORDWR(0x0050e, 0x0000), + A6XX_PROTECT_NORDWR(0x00510, 0x0000), + A6XX_PROTECT_NORDWR(0x00534, 0x0000), + A6XX_PROTECT_NORDWR(0x00800, 0x0082), + A6XX_PROTECT_NORDWR(0x008a0, 0x0008), + A6XX_PROTECT_NORDWR(0x008ab, 0x0024), + A6XX_PROTECT_RDONLY(0x008de, 0x00ae), + A6XX_PROTECT_NORDWR(0x00900, 0x004d), + A6XX_PROTECT_NORDWR(0x0098d, 0x0272), + A6XX_PROTECT_NORDWR(0x00e00, 0x0001), + A6XX_PROTECT_NORDWR(0x00e03, 0x000c), + A6XX_PROTECT_NORDWR(0x03c00, 0x00c3), + A6XX_PROTECT_RDONLY(0x03cc4, 0x1fff), + A6XX_PROTECT_NORDWR(0x08630, 0x01cf), + A6XX_PROTECT_NORDWR(0x08e00, 0x0000), + A6XX_PROTECT_NORDWR(0x08e08, 0x0000), + A6XX_PROTECT_NORDWR(0x08e50, 0x001f), + A6XX_PROTECT_NORDWR(0x08e80, 0x027f), + A6XX_PROTECT_NORDWR(0x09624, 0x01db), + A6XX_PROTECT_NORDWR(0x09e60, 0x0011), + A6XX_PROTECT_NORDWR(0x09e78, 0x0187), + A6XX_PROTECT_NORDWR(0x0a630, 0x01cf), + A6XX_PROTECT_NORDWR(0x0ae02, 0x0000), + A6XX_PROTECT_NORDWR(0x0ae50, 0x032f), + A6XX_PROTECT_NORDWR(0x0b604, 0x0000), + A6XX_PROTECT_NORDWR(0x0b608, 0x0007), + A6XX_PROTECT_NORDWR(0x0be02, 0x0001), + A6XX_PROTECT_NORDWR(0x0be20, 0x17df), + A6XX_PROTECT_NORDWR(0x0f000, 0x0bff), + A6XX_PROTECT_RDONLY(0x0fc00, 0x1fff), + A6XX_PROTECT_NORDWR(0x18400, 0x1fff), + A6XX_PROTECT_NORDWR(0x1a800, 0x1fff), + A6XX_PROTECT_NORDWR(0x1f400, 0x0443), + A6XX_PROTECT_RDONLY(0x1f844, 0x007b), + A6XX_PROTECT_NORDWR(0x1f887, 0x001b), + A6XX_PROTECT_NORDWR(0x1f8c0, 0x0000), /* note: infinite range */ +}; + +static void a6xx_set_cp_protect(struct msm_gpu *gpu) +{ + struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); + const u32 *regs = a6xx_protect; + unsigned i, count = ARRAY_SIZE(a6xx_protect), count_max = 32; + + BUILD_BUG_ON(ARRAY_SIZE(a6xx_protect) > 32); + BUILD_BUG_ON(ARRAY_SIZE(a650_protect) > 48); + + if (adreno_is_a650(adreno_gpu)) { + regs = a650_protect; + count = ARRAY_SIZE(a650_protect); + count_max = 48; + } + + /* + * Enable access protection to privileged registers, fault on an access + * protect violation and select the last span to protect from the start + * address all the way to the end of the register address space + */ + gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, BIT(0) | BIT(1) | BIT(3)); + + for (i = 0; i < count - 1; i++) + gpu_write(gpu, REG_A6XX_CP_PROTECT(i), regs[i]); + /* last CP_PROTECT to have "infinite" length on the last entry */ + gpu_write(gpu, REG_A6XX_CP_PROTECT(count_max - 1), regs[i]); +} + static void a6xx_set_ubwc_config(struct msm_gpu *gpu) { struct adreno_gpu *adreno_gpu = to_adreno_gpu(gpu); @@ -486,7 +593,7 @@ static void a6xx_set_ubwc_config(struct msm_gpu *gpu) rgb565_predicator << 11 | amsbc << 4 | lower_bit << 1); gpu_write(gpu, REG_A6XX_TPL1_NC_MODE_CNTL, lower_bit << 1); gpu_write(gpu, REG_A6XX_SP_NC_MODE_CNTL, - uavflagprd_inv >> 4 | lower_bit << 1); + uavflagprd_inv << 4 | lower_bit << 1); gpu_write(gpu, REG_A6XX_UCHE_MODE_CNTL, lower_bit << 21); } @@ -722,41 +829,7 @@ static int a6xx_hw_init(struct msm_gpu *gpu) } /* Protect registers from the CP */ - gpu_write(gpu, REG_A6XX_CP_PROTECT_CNTL, 0x00000003); - - gpu_write(gpu, REG_A6XX_CP_PROTECT(0), - A6XX_PROTECT_RDONLY(0x600, 0x51)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(1), A6XX_PROTECT_RW(0xae50, 0x2)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(2), A6XX_PROTECT_RW(0x9624, 0x13)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(3), A6XX_PROTECT_RW(0x8630, 0x8)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(4), A6XX_PROTECT_RW(0x9e70, 0x1)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(5), A6XX_PROTECT_RW(0x9e78, 0x187)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(6), A6XX_PROTECT_RW(0xf000, 0x810)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(7), - A6XX_PROTECT_RDONLY(0xfc00, 0x3)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(8), A6XX_PROTECT_RW(0x50e, 0x0)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(9), A6XX_PROTECT_RDONLY(0x50f, 0x0)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(10), A6XX_PROTECT_RW(0x510, 0x0)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(11), - A6XX_PROTECT_RDONLY(0x0, 0x4f9)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(12), - A6XX_PROTECT_RDONLY(0x501, 0xa)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(13), - A6XX_PROTECT_RDONLY(0x511, 0x44)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(14), A6XX_PROTECT_RW(0xe00, 0xe)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(15), A6XX_PROTECT_RW(0x8e00, 0x0)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(16), A6XX_PROTECT_RW(0x8e50, 0xf)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(17), A6XX_PROTECT_RW(0xbe02, 0x0)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(18), - A6XX_PROTECT_RW(0xbe20, 0x11f3)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(19), A6XX_PROTECT_RW(0x800, 0x82)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(20), A6XX_PROTECT_RW(0x8a0, 0x8)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(21), A6XX_PROTECT_RW(0x8ab, 0x19)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(22), A6XX_PROTECT_RW(0x900, 0x4d)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(23), A6XX_PROTECT_RW(0x98d, 0x76)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(24), - A6XX_PROTECT_RDONLY(0x980, 0x4)); - gpu_write(gpu, REG_A6XX_CP_PROTECT(25), A6XX_PROTECT_RW(0xa630, 0x0)); + a6xx_set_cp_protect(gpu); /* Enable expanded apriv for targets that support it */ if (gpu->hw_apriv) { @@ -1055,7 +1128,7 @@ static int a6xx_pm_suspend(struct msm_gpu *gpu) if (ret) return ret; - if (adreno_gpu->base.hw_apriv || a6xx_gpu->has_whereami) + if (a6xx_gpu->shadow_bo) for (i = 0; i < gpu->nr_rings; i++) a6xx_gpu->shadow[i] = 0; diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h index 3eeebf6a754b..69765a722cae 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h @@ -37,7 +37,7 @@ struct a6xx_gpu { * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len * registers starting at _reg. */ -#define A6XX_PROTECT_RW(_reg, _len) \ +#define A6XX_PROTECT_NORDWR(_reg, _len) \ ((1 << 31) | \ (((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF)) diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c index 57fb3eb3a4b4..1f4e3396d097 100644 --- a/drivers/gpu/drm/radeon/radeon_uvd.c +++ b/drivers/gpu/drm/radeon/radeon_uvd.c @@ -286,7 +286,7 @@ int radeon_uvd_resume(struct radeon_device *rdev) if (rdev->uvd.vcpu_bo == NULL) return -EINVAL; - memcpy(rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); + memcpy_toio((void __iomem *)rdev->uvd.cpu_addr, rdev->uvd_fw->data, rdev->uvd_fw->size); size = radeon_bo_size(rdev->uvd.vcpu_bo); size -= rdev->uvd_fw->size; @@ -294,7 +294,7 @@ int radeon_uvd_resume(struct radeon_device *rdev) ptr = rdev->uvd.cpu_addr; ptr += rdev->uvd_fw->size; - memset(ptr, 0, size); + memset_io((void __iomem *)ptr, 0, size); return 0; } diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c index bbdfd5e26ec8..f75fb157f2ff 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c @@ -209,7 +209,7 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, goto err_disable_clk_tmds; } - ret = sun8i_hdmi_phy_probe(hdmi, phy_node); + ret = sun8i_hdmi_phy_get(hdmi, phy_node); of_node_put(phy_node); if (ret) { dev_err(dev, "Couldn't get the HDMI PHY\n"); @@ -242,7 +242,6 @@ static int sun8i_dw_hdmi_bind(struct device *dev, struct device *master, cleanup_encoder: drm_encoder_cleanup(encoder); - sun8i_hdmi_phy_remove(hdmi); err_disable_clk_tmds: clk_disable_unprepare(hdmi->clk_tmds); err_assert_ctrl_reset: @@ -263,7 +262,6 @@ static void sun8i_dw_hdmi_unbind(struct device *dev, struct device *master, struct sun8i_dw_hdmi *hdmi = dev_get_drvdata(dev); dw_hdmi_unbind(hdmi->hdmi); - sun8i_hdmi_phy_remove(hdmi); clk_disable_unprepare(hdmi->clk_tmds); reset_control_assert(hdmi->rst_ctrl); gpiod_set_value(hdmi->ddc_en, 0); @@ -320,7 +318,32 @@ static struct platform_driver sun8i_dw_hdmi_pltfm_driver = { .of_match_table = sun8i_dw_hdmi_dt_ids, }, }; -module_platform_driver(sun8i_dw_hdmi_pltfm_driver); + +static int __init sun8i_dw_hdmi_init(void) +{ + int ret; + + ret = platform_driver_register(&sun8i_dw_hdmi_pltfm_driver); + if (ret) + return ret; + + ret = platform_driver_register(&sun8i_hdmi_phy_driver); + if (ret) { + platform_driver_unregister(&sun8i_dw_hdmi_pltfm_driver); + return ret; + } + + return ret; +} + +static void __exit sun8i_dw_hdmi_exit(void) +{ + platform_driver_unregister(&sun8i_dw_hdmi_pltfm_driver); + platform_driver_unregister(&sun8i_hdmi_phy_driver); +} + +module_init(sun8i_dw_hdmi_init); +module_exit(sun8i_dw_hdmi_exit); MODULE_AUTHOR("Jernej Skrabec <jernej.skrabec@siol.net>"); MODULE_DESCRIPTION("Allwinner DW HDMI bridge"); diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h index d4b55af0592f..74f6ed0e2570 100644 --- a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h @@ -195,14 +195,15 @@ struct sun8i_dw_hdmi { struct gpio_desc *ddc_en; }; +extern struct platform_driver sun8i_hdmi_phy_driver; + static inline struct sun8i_dw_hdmi * encoder_to_sun8i_dw_hdmi(struct drm_encoder *encoder) { return container_of(encoder, struct sun8i_dw_hdmi, encoder); } -int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node); -void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi); +int sun8i_hdmi_phy_get(struct sun8i_dw_hdmi *hdmi, struct device_node *node); void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy); void sun8i_hdmi_phy_set_ops(struct sun8i_hdmi_phy *phy, diff --git a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c index 9994edf67509..c9239708d398 100644 --- a/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c +++ b/drivers/gpu/drm/sun4i/sun8i_hdmi_phy.c @@ -5,6 +5,7 @@ #include <linux/delay.h> #include <linux/of_address.h> +#include <linux/of_platform.h> #include "sun8i_dw_hdmi.h" @@ -597,10 +598,30 @@ static const struct of_device_id sun8i_hdmi_phy_of_table[] = { { /* sentinel */ } }; -int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node) +int sun8i_hdmi_phy_get(struct sun8i_dw_hdmi *hdmi, struct device_node *node) +{ + struct platform_device *pdev = of_find_device_by_node(node); + struct sun8i_hdmi_phy *phy; + + if (!pdev) + return -EPROBE_DEFER; + + phy = platform_get_drvdata(pdev); + if (!phy) + return -EPROBE_DEFER; + + hdmi->phy = phy; + + put_device(&pdev->dev); + + return 0; +} + +static int sun8i_hdmi_phy_probe(struct platform_device *pdev) { const struct of_device_id *match; - struct device *dev = hdmi->dev; + struct device *dev = &pdev->dev; + struct device_node *node = dev->of_node; struct sun8i_hdmi_phy *phy; struct resource res; void __iomem *regs; @@ -704,7 +725,7 @@ int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node) clk_prepare_enable(phy->clk_phy); } - hdmi->phy = phy; + platform_set_drvdata(pdev, phy); return 0; @@ -728,9 +749,9 @@ err_put_clk_bus: return ret; } -void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi) +static int sun8i_hdmi_phy_remove(struct platform_device *pdev) { - struct sun8i_hdmi_phy *phy = hdmi->phy; + struct sun8i_hdmi_phy *phy = platform_get_drvdata(pdev); clk_disable_unprepare(phy->clk_mod); clk_disable_unprepare(phy->clk_bus); @@ -744,4 +765,14 @@ void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi) clk_put(phy->clk_pll1); clk_put(phy->clk_mod); clk_put(phy->clk_bus); + return 0; } + +struct platform_driver sun8i_hdmi_phy_driver = { + .probe = sun8i_hdmi_phy_probe, + .remove = sun8i_hdmi_phy_remove, + .driver = { + .name = "sun8i-hdmi-phy", + .of_match_table = sun8i_hdmi_phy_of_table, + }, +}; diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c index 7b88261f57bb..32c83f2e386c 100644 --- a/drivers/gpu/drm/tegra/sor.c +++ b/drivers/gpu/drm/tegra/sor.c @@ -3125,21 +3125,21 @@ static int tegra_sor_init(struct host1x_client *client) if (err < 0) { dev_err(sor->dev, "failed to acquire SOR reset: %d\n", err); - return err; + goto rpm_put; } err = reset_control_assert(sor->rst); if (err < 0) { dev_err(sor->dev, "failed to assert SOR reset: %d\n", err); - return err; + goto rpm_put; } } err = clk_prepare_enable(sor->clk); if (err < 0) { dev_err(sor->dev, "failed to enable clock: %d\n", err); - return err; + goto rpm_put; } usleep_range(1000, 3000); @@ -3150,7 +3150,7 @@ static int tegra_sor_init(struct host1x_client *client) dev_err(sor->dev, "failed to deassert SOR reset: %d\n", err); clk_disable_unprepare(sor->clk); - return err; + goto rpm_put; } reset_control_release(sor->rst); @@ -3171,6 +3171,12 @@ static int tegra_sor_init(struct host1x_client *client) } return 0; + +rpm_put: + if (sor->rst) + pm_runtime_put(sor->dev); + + return err; } static int tegra_sor_exit(struct host1x_client *client) @@ -3916,17 +3922,10 @@ static int tegra_sor_probe(struct platform_device *pdev) platform_set_drvdata(pdev, sor); pm_runtime_enable(&pdev->dev); - INIT_LIST_HEAD(&sor->client.list); + host1x_client_init(&sor->client); sor->client.ops = &sor_client_ops; sor->client.dev = &pdev->dev; - err = host1x_client_register(&sor->client); - if (err < 0) { - dev_err(&pdev->dev, "failed to register host1x client: %d\n", - err); - goto rpm_disable; - } - /* * On Tegra210 and earlier, provide our own implementation for the * pad output clock. @@ -3938,13 +3937,13 @@ static int tegra_sor_probe(struct platform_device *pdev) sor->index); if (!name) { err = -ENOMEM; - goto unregister; + goto uninit; } err = host1x_client_resume(&sor->client); if (err < 0) { dev_err(sor->dev, "failed to resume: %d\n", err); - goto unregister; + goto uninit; } sor->clk_pad = tegra_clk_sor_pad_register(sor, name); @@ -3955,14 +3954,20 @@ static int tegra_sor_probe(struct platform_device *pdev) err = PTR_ERR(sor->clk_pad); dev_err(sor->dev, "failed to register SOR pad clock: %d\n", err); - goto unregister; + goto uninit; + } + + err = __host1x_client_register(&sor->client); + if (err < 0) { + dev_err(&pdev->dev, "failed to register host1x client: %d\n", + err); + goto uninit; } return 0; -unregister: - host1x_client_unregister(&sor->client); -rpm_disable: +uninit: + host1x_client_exit(&sor->client); pm_runtime_disable(&pdev->dev); remove: tegra_output_remove(&sor->output); diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c index 9e2cb6968819..6e3b49d0de66 100644 --- a/drivers/gpu/host1x/bus.c +++ b/drivers/gpu/host1x/bus.c @@ -704,6 +704,29 @@ void host1x_driver_unregister(struct host1x_driver *driver) EXPORT_SYMBOL(host1x_driver_unregister); /** + * __host1x_client_init() - initialize a host1x client + * @client: host1x client + * @key: lock class key for the client-specific mutex + */ +void __host1x_client_init(struct host1x_client *client, struct lock_class_key *key) +{ + INIT_LIST_HEAD(&client->list); + __mutex_init(&client->lock, "host1x client lock", key); + client->usecount = 0; +} +EXPORT_SYMBOL(__host1x_client_init); + +/** + * host1x_client_exit() - uninitialize a host1x client + * @client: host1x client + */ +void host1x_client_exit(struct host1x_client *client) +{ + mutex_destroy(&client->lock); +} +EXPORT_SYMBOL(host1x_client_exit); + +/** * __host1x_client_register() - register a host1x client * @client: host1x client * @key: lock class key for the client-specific mutex @@ -715,16 +738,11 @@ EXPORT_SYMBOL(host1x_driver_unregister); * device and call host1x_device_init(), which will in turn call each client's * &host1x_client_ops.init implementation. */ -int __host1x_client_register(struct host1x_client *client, - struct lock_class_key *key) +int __host1x_client_register(struct host1x_client *client) { struct host1x *host1x; int err; - INIT_LIST_HEAD(&client->list); - __mutex_init(&client->lock, "host1x client lock", key); - client->usecount = 0; - mutex_lock(&devices_lock); list_for_each_entry(host1x, &devices, list) { diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 9b56226ce0d1..54bc563a8dff 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -93,11 +93,11 @@ menu "Special HID drivers" depends on HID config HID_A4TECH - tristate "A4 tech mice" + tristate "A4TECH mice" depends on HID default !EXPERT help - Support for A4 tech X5 and WOP-35 / Trust 450L mice. + Support for some A4TECH mice with two scroll wheels. config HID_ACCUTOUCH tristate "Accutouch touch device" diff --git a/drivers/hid/hid-a4tech.c b/drivers/hid/hid-a4tech.c index 3a8c4a5971f7..2cbc32dda7f7 100644 --- a/drivers/hid/hid-a4tech.c +++ b/drivers/hid/hid-a4tech.c @@ -147,6 +147,8 @@ static const struct hid_device_id a4_devices[] = { .driver_data = A4_2WHEEL_MOUSE_HACK_B8 }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649), .driver_data = A4_2WHEEL_MOUSE_HACK_B8 }, + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_NB_95), + .driver_data = A4_2WHEEL_MOUSE_HACK_B8 }, { } }; MODULE_DEVICE_TABLE(hid, a4_devices); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 097cb1ee3126..0f69f35f2957 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -2005,6 +2005,9 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) case BUS_I2C: bus = "I2C"; break; + case BUS_VIRTUAL: + bus = "VIRTUAL"; + break; default: bus = "<UNKNOWN>"; } diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index d7eaf9100370..982737827b87 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -929,6 +929,7 @@ static const char *keys[KEY_MAX + 1] = { [KEY_APPSELECT] = "AppSelect", [KEY_SCREENSAVER] = "ScreenSaver", [KEY_VOICECOMMAND] = "VoiceCommand", + [KEY_EMOJI_PICKER] = "EmojiPicker", [KEY_BRIGHTNESS_MIN] = "BrightnessMin", [KEY_BRIGHTNESS_MAX] = "BrightnessMax", [KEY_BRIGHTNESS_AUTO] = "BrightnessAuto", diff --git a/drivers/hid/hid-gt683r.c b/drivers/hid/hid-gt683r.c index 898871c8c768..29ccb0accfba 100644 --- a/drivers/hid/hid-gt683r.c +++ b/drivers/hid/hid-gt683r.c @@ -54,6 +54,7 @@ static const struct hid_device_id gt683r_led_id[] = { { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) }, { } }; +MODULE_DEVICE_TABLE(hid, gt683r_led_id); static void gt683r_brightness_set(struct led_classdev *led_cdev, enum led_brightness brightness) diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index e220a05a05b4..136b58a91c04 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -26,6 +26,7 @@ #define USB_DEVICE_ID_A4TECH_WCP32PU 0x0006 #define USB_DEVICE_ID_A4TECH_X5_005D 0x000a #define USB_DEVICE_ID_A4TECH_RP_649 0x001a +#define USB_DEVICE_ID_A4TECH_NB_95 0x022b #define USB_VENDOR_ID_AASHIMA 0x06d6 #define USB_DEVICE_ID_AASHIMA_GAMEPAD 0x0025 @@ -741,6 +742,7 @@ #define USB_DEVICE_ID_LENOVO_X1_COVER 0x6085 #define USB_DEVICE_ID_LENOVO_X1_TAB 0x60a3 #define USB_DEVICE_ID_LENOVO_X1_TAB3 0x60b5 +#define USB_DEVICE_ID_LENOVO_OPTICAL_USB_MOUSE_600E 0x600e #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_608D 0x608d #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_6019 0x6019 #define USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_602E 0x602e @@ -1034,6 +1036,7 @@ #define USB_DEVICE_ID_SAITEK_X52 0x075c #define USB_DEVICE_ID_SAITEK_X52_2 0x0255 #define USB_DEVICE_ID_SAITEK_X52_PRO 0x0762 +#define USB_DEVICE_ID_SAITEK_X65 0x0b6a #define USB_VENDOR_ID_SAMSUNG 0x0419 #define USB_DEVICE_ID_SAMSUNG_IR_REMOTE 0x0001 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 32024905fd70..d1ab2dccf6fd 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -957,6 +957,9 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break; case 0x0cf: map_key_clear(KEY_VOICECOMMAND); break; + + case 0x0d9: map_key_clear(KEY_EMOJI_PICKER); break; + case 0x0e0: map_abs_clear(ABS_VOLUME); break; case 0x0e2: map_key_clear(KEY_MUTE); break; case 0x0e5: map_key_clear(KEY_BASSBOOST); break; diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 8580ace596c2..e5a3704b9fe8 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -1580,13 +1580,13 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi) /* we do not set suffix = "Touchscreen" */ hi->input->name = hdev->name; break; - case HID_DG_STYLUS: - /* force BTN_STYLUS to allow tablet matching in udev */ - __set_bit(BTN_STYLUS, hi->input->keybit); - break; case HID_VD_ASUS_CUSTOM_MEDIA_KEYS: suffix = "Custom Media Keys"; break; + case HID_DG_STYLUS: + /* force BTN_STYLUS to allow tablet matching in udev */ + __set_bit(BTN_STYLUS, hi->input->keybit); + fallthrough; case HID_DG_PEN: suffix = "Stylus"; break; diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c index 2e38340e19df..be53c723c729 100644 --- a/drivers/hid/hid-quirks.c +++ b/drivers/hid/hid-quirks.c @@ -110,6 +110,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912), HID_QUIRK_MULTI_INPUT }, { 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_PIXART_USB_OPTICAL_MOUSE_ID2), 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 }, { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_PIXART_USB_MOUSE_602E), HID_QUIRK_ALWAYS_POLL }, @@ -158,6 +159,7 @@ static const struct hid_device_id hid_quirks[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52_2), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X52_PRO), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, + { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_X65), HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE }, { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD2), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_SEMICO, USB_DEVICE_ID_SEMICO_USB_KEYKOARD), HID_QUIRK_NO_INIT_REPORTS }, { HID_USB_DEVICE(USB_VENDOR_ID_SENNHEISER, USB_DEVICE_ID_SENNHEISER_BTD500USB), HID_QUIRK_NOGET }, @@ -212,6 +214,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) }, + { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_NB_95) }, #endif #if IS_ENABLED(CONFIG_HID_ACCUTOUCH) { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) }, diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c index 3dd7d3246737..f9983145d4e7 100644 --- a/drivers/hid/hid-sensor-hub.c +++ b/drivers/hid/hid-sensor-hub.c @@ -210,16 +210,21 @@ int sensor_hub_set_feature(struct hid_sensor_hub_device *hsdev, u32 report_id, buffer_size = buffer_size / sizeof(__s32); if (buffer_size) { for (i = 0; i < buffer_size; ++i) { - hid_set_field(report->field[field_index], i, - (__force __s32)cpu_to_le32(*buf32)); + ret = hid_set_field(report->field[field_index], i, + (__force __s32)cpu_to_le32(*buf32)); + if (ret) + goto done_proc; + ++buf32; } } if (remaining_bytes) { value = 0; memcpy(&value, (u8 *)buf32, remaining_bytes); - hid_set_field(report->field[field_index], i, - (__force __s32)cpu_to_le32(value)); + ret = hid_set_field(report->field[field_index], i, + (__force __s32)cpu_to_le32(value)); + if (ret) + goto done_proc; } hid_hw_request(hsdev->hdev, report, HID_REQ_SET_REPORT); hid_hw_wait(hsdev->hdev); diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c index 17a29ee0ac6c..8d4ac4b9fb9d 100644 --- a/drivers/hid/usbhid/hid-core.c +++ b/drivers/hid/usbhid/hid-core.c @@ -374,7 +374,7 @@ static int hid_submit_ctrl(struct hid_device *hid) raw_report = usbhid->ctrl[usbhid->ctrltail].raw_report; dir = usbhid->ctrl[usbhid->ctrltail].dir; - len = ((report->size - 1) >> 3) + 1 + (report->id > 0); + len = hid_report_len(report); if (dir == USB_DIR_OUT) { usbhid->urbctrl->pipe = usb_sndctrlpipe(hid_to_usb_dev(hid), 0); usbhid->urbctrl->transfer_buffer_length = len; diff --git a/drivers/hwmon/scpi-hwmon.c b/drivers/hwmon/scpi-hwmon.c index 25aac40f2764..919877970ae3 100644 --- a/drivers/hwmon/scpi-hwmon.c +++ b/drivers/hwmon/scpi-hwmon.c @@ -99,6 +99,15 @@ scpi_show_sensor(struct device *dev, struct device_attribute *attr, char *buf) scpi_scale_reading(&value, sensor); + /* + * Temperature sensor values are treated as signed values based on + * observation even though that is not explicitly specified, and + * because an unsigned u64 temperature does not really make practical + * sense especially when the temperature is below zero degrees Celsius. + */ + if (sensor->info.class == TEMPERATURE) + return sprintf(buf, "%lld\n", (s64)value); + return sprintf(buf, "%llu\n", value); } diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index d94f05c8b8b7..af349661fd76 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -23,6 +23,7 @@ #include <linux/clk.h> #include <linux/io.h> +#include <linux/iopoll.h> #include <linux/fsl_devices.h> #include <linux/i2c.h> #include <linux/interrupt.h> @@ -49,6 +50,7 @@ #define CCR_MTX 0x10 #define CCR_TXAK 0x08 #define CCR_RSTA 0x04 +#define CCR_RSVD 0x02 #define CSR_MCF 0x80 #define CSR_MAAS 0x40 @@ -70,6 +72,7 @@ struct mpc_i2c { u8 fdr, dfsrr; #endif struct clk *clk_per; + bool has_errata_A004447; }; struct mpc_i2c_divider { @@ -176,6 +179,75 @@ static int i2c_wait(struct mpc_i2c *i2c, unsigned timeout, int writing) return 0; } +static int i2c_mpc_wait_sr(struct mpc_i2c *i2c, int mask) +{ + void __iomem *addr = i2c->base + MPC_I2C_SR; + u8 val; + + return readb_poll_timeout(addr, val, val & mask, 0, 100); +} + +/* + * Workaround for Erratum A004447. From the P2040CE Rev Q + * + * 1. Set up the frequency divider and sampling rate. + * 2. I2CCR - a0h + * 3. Poll for I2CSR[MBB] to get set. + * 4. If I2CSR[MAL] is set (an indication that SDA is stuck low), then go to + * step 5. If MAL is not set, then go to step 13. + * 5. I2CCR - 00h + * 6. I2CCR - 22h + * 7. I2CCR - a2h + * 8. Poll for I2CSR[MBB] to get set. + * 9. Issue read to I2CDR. + * 10. Poll for I2CSR[MIF] to be set. + * 11. I2CCR - 82h + * 12. Workaround complete. Skip the next steps. + * 13. Issue read to I2CDR. + * 14. Poll for I2CSR[MIF] to be set. + * 15. I2CCR - 80h + */ +static void mpc_i2c_fixup_A004447(struct mpc_i2c *i2c) +{ + int ret; + u32 val; + + writeccr(i2c, CCR_MEN | CCR_MSTA); + ret = i2c_mpc_wait_sr(i2c, CSR_MBB); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MBB\n"); + return; + } + + val = readb(i2c->base + MPC_I2C_SR); + + if (val & CSR_MAL) { + writeccr(i2c, 0x00); + writeccr(i2c, CCR_MSTA | CCR_RSVD); + writeccr(i2c, CCR_MEN | CCR_MSTA | CCR_RSVD); + ret = i2c_mpc_wait_sr(i2c, CSR_MBB); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MBB\n"); + return; + } + val = readb(i2c->base + MPC_I2C_DR); + ret = i2c_mpc_wait_sr(i2c, CSR_MIF); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MIF\n"); + return; + } + writeccr(i2c, CCR_MEN | CCR_RSVD); + } else { + val = readb(i2c->base + MPC_I2C_DR); + ret = i2c_mpc_wait_sr(i2c, CSR_MIF); + if (ret) { + dev_err(i2c->dev, "timeout waiting for CSR_MIF\n"); + return; + } + writeccr(i2c, CCR_MEN); + } +} + #if defined(CONFIG_PPC_MPC52xx) || defined(CONFIG_PPC_MPC512x) static const struct mpc_i2c_divider mpc_i2c_dividers_52xx[] = { {20, 0x20}, {22, 0x21}, {24, 0x22}, {26, 0x23}, @@ -586,7 +658,7 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if ((status & (CSR_MCF | CSR_MBB | CSR_RXAK)) != 0) { writeb(status & ~CSR_MAL, i2c->base + MPC_I2C_SR); - mpc_i2c_fixup(i2c); + i2c_recover_bus(&i2c->adap); } return -EIO; } @@ -622,7 +694,7 @@ static int mpc_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) if ((status & (CSR_MCF | CSR_MBB | CSR_RXAK)) != 0) { writeb(status & ~CSR_MAL, i2c->base + MPC_I2C_SR); - mpc_i2c_fixup(i2c); + i2c_recover_bus(&i2c->adap); } return -EIO; } @@ -637,6 +709,18 @@ static u32 mpc_functionality(struct i2c_adapter *adap) | I2C_FUNC_SMBUS_READ_BLOCK_DATA | I2C_FUNC_SMBUS_BLOCK_PROC_CALL; } +static int fsl_i2c_bus_recovery(struct i2c_adapter *adap) +{ + struct mpc_i2c *i2c = i2c_get_adapdata(adap); + + if (i2c->has_errata_A004447) + mpc_i2c_fixup_A004447(i2c); + else + mpc_i2c_fixup(i2c); + + return 0; +} + static const struct i2c_algorithm mpc_algo = { .master_xfer = mpc_xfer, .functionality = mpc_functionality, @@ -648,6 +732,10 @@ static struct i2c_adapter mpc_ops = { .timeout = HZ, }; +static struct i2c_bus_recovery_info fsl_i2c_recovery_info = { + .recover_bus = fsl_i2c_bus_recovery, +}; + static const struct of_device_id mpc_i2c_of_match[]; static int fsl_i2c_probe(struct platform_device *op) { @@ -732,6 +820,8 @@ static int fsl_i2c_probe(struct platform_device *op) dev_info(i2c->dev, "timeout %u us\n", mpc_ops.timeout * 1000000 / HZ); platform_set_drvdata(op, i2c); + if (of_property_read_bool(op->dev.of_node, "fsl,i2c-erratum-a004447")) + i2c->has_errata_A004447 = true; i2c->adap = mpc_ops; of_address_to_resource(op->dev.of_node, 0, &res); @@ -740,6 +830,7 @@ static int fsl_i2c_probe(struct platform_device *op) i2c_set_adapdata(&i2c->adap, i2c); i2c->adap.dev.parent = &op->dev; i2c->adap.dev.of_node = of_node_get(op->dev.of_node); + i2c->adap.bus_recovery_info = &fsl_i2c_recovery_info; result = i2c_add_adapter(&i2c->adap); if (result < 0) diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c index cd0fba6b0964..7b11aff8a5ea 100644 --- a/drivers/infiniband/hw/mlx4/main.c +++ b/drivers/infiniband/hw/mlx4/main.c @@ -580,12 +580,9 @@ static int mlx4_ib_query_device(struct ib_device *ibdev, props->cq_caps.max_cq_moderation_count = MLX4_MAX_CQ_COUNT; props->cq_caps.max_cq_moderation_period = MLX4_MAX_CQ_PERIOD; - if (!mlx4_is_slave(dev->dev)) - err = mlx4_get_internal_clock_params(dev->dev, &clock_params); - if (uhw->outlen >= resp.response_length + sizeof(resp.hca_core_clock_offset)) { resp.response_length += sizeof(resp.hca_core_clock_offset); - if (!err && !mlx4_is_slave(dev->dev)) { + if (!mlx4_get_internal_clock_params(dev->dev, &clock_params)) { resp.comp_mask |= MLX4_IB_QUERY_DEV_RESP_MASK_CORE_CLOCK_OFFSET; resp.hca_core_clock_offset = clock_params.offset % PAGE_SIZE; } diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c index fb62f1d04afa..372adb7ceb74 100644 --- a/drivers/infiniband/hw/mlx5/cq.c +++ b/drivers/infiniband/hw/mlx5/cq.c @@ -838,15 +838,14 @@ static void destroy_cq_user(struct mlx5_ib_cq *cq, struct ib_udata *udata) ib_umem_release(cq->buf.umem); } -static void init_cq_frag_buf(struct mlx5_ib_cq *cq, - struct mlx5_ib_cq_buf *buf) +static void init_cq_frag_buf(struct mlx5_ib_cq_buf *buf) { int i; void *cqe; struct mlx5_cqe64 *cqe64; for (i = 0; i < buf->nent; i++) { - cqe = get_cqe(cq, i); + cqe = mlx5_frag_buf_get_wqe(&buf->fbc, i); cqe64 = buf->cqe_size == 64 ? cqe : cqe + 64; cqe64->op_own = MLX5_CQE_INVALID << 4; } @@ -872,7 +871,7 @@ static int create_cq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq, if (err) goto err_db; - init_cq_frag_buf(cq, &cq->buf); + init_cq_frag_buf(&cq->buf); *inlen = MLX5_ST_SZ_BYTES(create_cq_in) + MLX5_FLD_SZ_BYTES(create_cq_in, pas[0]) * @@ -1177,7 +1176,7 @@ static int resize_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_cq *cq, if (err) goto ex; - init_cq_frag_buf(cq, cq->resize_buf); + init_cq_frag_buf(cq->resize_buf); return 0; diff --git a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c index d5a90a66b45c..5b05cf3837da 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_netlink.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_netlink.c @@ -163,6 +163,7 @@ static size_t ipoib_get_size(const struct net_device *dev) static struct rtnl_link_ops ipoib_link_ops __read_mostly = { .kind = "ipoib", + .netns_refund = true, .maxtype = IFLA_IPOIB_MAX, .policy = ipoib_policy, .priv_size = sizeof(struct ipoib_dev_priv), diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c index 7929bf12651c..1005b182bab4 100644 --- a/drivers/irqchip/irq-gic-v3.c +++ b/drivers/irqchip/irq-gic-v3.c @@ -642,11 +642,45 @@ static inline void gic_handle_nmi(u32 irqnr, struct pt_regs *regs) nmi_exit(); } +static u32 do_read_iar(struct pt_regs *regs) +{ + u32 iar; + + if (gic_supports_nmi() && unlikely(!interrupts_enabled(regs))) { + u64 pmr; + + /* + * We were in a context with IRQs disabled. However, the + * entry code has set PMR to a value that allows any + * interrupt to be acknowledged, and not just NMIs. This can + * lead to surprising effects if the NMI has been retired in + * the meantime, and that there is an IRQ pending. The IRQ + * would then be taken in NMI context, something that nobody + * wants to debug twice. + * + * Until we sort this, drop PMR again to a level that will + * actually only allow NMIs before reading IAR, and then + * restore it to what it was. + */ + pmr = gic_read_pmr(); + gic_pmr_mask_irqs(); + isb(); + + iar = gic_read_iar(); + + gic_write_pmr(pmr); + } else { + iar = gic_read_iar(); + } + + return iar; +} + static asmlinkage void __exception_irq_entry gic_handle_irq(struct pt_regs *regs) { u32 irqnr; - irqnr = gic_read_iar(); + irqnr = do_read_iar(regs); /* Check for special IDs first */ if ((irqnr >= 1020 && irqnr <= 1023)) diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index ee925b58bbce..2a1ddd47a096 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -1100,7 +1100,6 @@ nj_probe(struct pci_dev *pdev, const struct pci_device_id *ent) card->typ = NETJET_S_TJ300; card->base = pci_resource_start(pdev, 0); - card->irq = pdev->irq; pci_set_drvdata(pdev, card); err = setup_instance(card); if (err) diff --git a/drivers/md/dm-verity-verify-sig.c b/drivers/md/dm-verity-verify-sig.c index 614e43db93aa..919154ae4cae 100644 --- a/drivers/md/dm-verity-verify-sig.c +++ b/drivers/md/dm-verity-verify-sig.c @@ -15,7 +15,7 @@ #define DM_VERITY_VERIFY_ERR(s) DM_VERITY_ROOT_HASH_VERIFICATION " " s static bool require_signatures; -module_param(require_signatures, bool, false); +module_param(require_signatures, bool, 0444); MODULE_PARM_DESC(require_signatures, "Verify the roothash of dm-verity hash tree"); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index a78d60f32880..c47d2c22e182 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -450,13 +450,6 @@ config XILINX_SDFEC If unsure, say N. -config MCTP_LPC - tristate "MCTP LPC binding implementation for ASPEED BMCs" - depends on REGMAP - help - Implements the MCTP LPC binding via KCS LPC IO cycles for control and - LPC FWH cycles for data - config MISC_RTSX tristate default MISC_RTSX_PCI || MISC_RTSX_USB diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index 36818e21f336..22b503be14a3 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -61,4 +61,3 @@ obj-$(CONFIG_HISI_HIKEY_USB) += hisi_hikey_usb.o obj-$(CONFIG_NPCM7XX_LPC_BPC) += npcm7xx-lpc-bpc.o obj-$(CONFIG_NPCM7XX_PCI_MBOX) += npcm7xx-pci-mbox.o obj-$(CONFIG_NPCM7XX_JTAG_MASTER) += npcm7xx-jtag-master.o -obj-$(CONFIG_MCTP_LPC) += mctp-lpc.o diff --git a/drivers/misc/mctp-lpc.c b/drivers/misc/mctp-lpc.c deleted file mode 100644 index 0228f6bbf1a7..000000000000 --- a/drivers/misc/mctp-lpc.c +++ /dev/null @@ -1,443 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Copyright (c) 2019, IBM Corp. - */ - -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/mfd/syscon.h> -#include <linux/miscdevice.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/platform_device.h> -#include <linux/poll.h> -#include <linux/regmap.h> -#include <linux/sched/signal.h> -#include <linux/uaccess.h> -#include <linux/wait.h> - -#define LPC_HICRB 0x100 -#define LPC_HICRB_IBFIF4 BIT(1) -#define LPC_HICRB_LPC4E BIT(0) -#define LPC_HICRC 0x104 -#define LPC_KCS4_IRQSEL_MASK GENMASK(7, 4) -#define LPC_KCS4_IRQSEL_SHIFT 4 -#define LPC_KCS4_IRQTYPE_MASK GENMASK(3, 2) -#define LPC_KCS4_IRQTYPE_SHIFT 2 -#define LPC_KCS4_IRQTYPE_LOW 0b00 -#define LPC_KCS4_IRQTYPE_HIGH 0b01 -#define LPC_KCS4_IRQTYPE_RSVD 0b10 -#define LPC_KCS4_IRQTYPE_RISING 0b11 -#define LPC_KCS4_OBF4_AUTO_CLR BIT(1) -#define LPC_KCS4_IRQ_HOST BIT(0) -#define LPC_LADR4 0x110 -#define LPC_IDR4 0x114 -#define LPC_ODR4 0x118 -#define LPC_STR4 0x11C -#define STR4_IBF (1 << 1) -#define STR4_OBF (1 << 0) - -#define HOST_ODR 0xca2 -#define HOST_STR 0xca3 -#define HOST_SERIRQ_ID 11 -#define HOST_SERIRQ_TYPE LPC_KCS4_IRQTYPE_LOW - -#define RX_BUF_SIZE 1024 - -struct mctp_lpc { - struct miscdevice miscdev; - struct regmap *map; - - wait_queue_head_t rx; - bool pending; - u8 idr; -}; - -static irqreturn_t mctp_lpc_irq(int irq, void *data) -{ - struct mctp_lpc *priv = data; - unsigned long flags; - unsigned int hicrb; - struct device *dev; - unsigned int str; - irqreturn_t ret; - - dev = priv->miscdev.this_device; - - spin_lock_irqsave(&priv->rx.lock, flags); - - regmap_read(priv->map, LPC_STR4, &str); - regmap_read(priv->map, LPC_HICRB, &hicrb); - - if ((str & STR4_IBF) && (hicrb & LPC_HICRB_IBFIF4)) { - unsigned int val; - - if (priv->pending) - dev_err(dev, "Storm brewing!"); - - /* Mask the IRQ / Enter polling mode */ - dev_dbg(dev, "Received IRQ %d, disabling to provide back-pressure\n", - irq); - regmap_update_bits(priv->map, LPC_HICRB, LPC_HICRB_IBFIF4, 0); - - /* - * Extract the IDR4 value to ack the IRQ. Reading IDR clears - * IBF and allows the host to write another value, however as - * we have disabled IRQs the back-pressure is still applied - * until userspace starts servicing the interface. - */ - regmap_read(priv->map, LPC_IDR4, &val); - priv->idr = val & 0xff; - priv->pending = true; - - dev_dbg(dev, "Set pending, waking waiters\n"); - wake_up_locked(&priv->rx); - ret = IRQ_HANDLED; - } else { - dev_dbg(dev, "LPC IRQ triggered, but not for us (str=0x%x, hicrb=0x%x)\n", - str, hicrb); - ret = IRQ_NONE; - } - - spin_unlock_irqrestore(&priv->rx.lock, flags); - - return ret; -} - -static inline struct mctp_lpc *to_mctp_lpc(struct file *filp) -{ - return container_of(filp->private_data, struct mctp_lpc, miscdev); -} - -static ssize_t mctp_lpc_read(struct file *filp, char __user *buf, - size_t count, loff_t *ppos) -{ - struct mctp_lpc *priv; - struct device *dev; - size_t remaining; - ssize_t rc; - - priv = to_mctp_lpc(filp); - dev = priv->miscdev.this_device; - - if (!count) - return 0; - - if (count > 2 || *ppos > 1) - return -EINVAL; - - remaining = count; - - spin_lock_irq(&priv->rx.lock); - if (*ppos == 0) { - unsigned int val; - u8 str; - - /* YOLO blocking, non-block not supported */ - dev_dbg(dev, "Waiting for IBF\n"); - regmap_read(priv->map, LPC_STR4, &val); - str = val & 0xff; - rc = wait_event_interruptible_locked(priv->rx, (priv->pending || str & STR4_IBF)); - if (rc < 0) - goto out; - - if (signal_pending(current)) { - dev_dbg(dev, "Interrupted waiting for IBF\n"); - rc = -EINTR; - goto out; - } - - /* - * Re-enable IRQs prior to possible read of IDR (which clears - * IBF) to ensure we receive interrupts for subsequent writes - * to IDR. Writes to IDR by the host should not occur while IBF - * is set. - */ - dev_dbg(dev, "Woken by IBF, enabling IRQ\n"); - regmap_update_bits(priv->map, LPC_HICRB, LPC_HICRB_IBFIF4, - LPC_HICRB_IBFIF4); - - /* Read data out of IDR into internal storage if necessary */ - if (!priv->pending) { - WARN(!(str & STR4_IBF), "Unknown reason for wakeup!"); - - /* Extract the IDR4 value to ack the IRQ */ - regmap_read(priv->map, LPC_IDR4, &val); - priv->idr = val & 0xff; - } - - /* Copy data from internal storage to userspace */ - if (copy_to_user(buf, &priv->idr, sizeof(priv->idr))) { - rc = -EFAULT; - goto out; - } - - /* We're done consuming the internally stored value */ - priv->pending = false; - - remaining--; - buf++; - } - - if (remaining) { - /* Either: - * - * 1. (count == 1 && *ppos == 1) - * 2. (count == 2 && *ppos == 0) - */ - unsigned int val; - u8 str; - - regmap_read(priv->map, LPC_STR4, &val); - str = val & 0xff; - if (*ppos == 0 || priv->pending) - /* - * If we got this far with `*ppos == 0` then we've read - * data out of IDR, so set IBF when reporting back to - * userspace so userspace knows the IDR value is valid. - */ - str |= STR4_IBF; - - dev_dbg(dev, "Read status 0x%x\n", str); - if (copy_to_user(buf, &str, sizeof(str))) { - rc = -EFAULT; - goto out; - } - - remaining--; - } - - WARN_ON(remaining); - - rc = count; - -out: - spin_unlock_irq(&priv->rx.lock); - - return rc; -} - -static ssize_t mctp_lpc_write(struct file *filp, const char __user *buf, - size_t count, loff_t *ppos) -{ - uint8_t _data[2], *data = &_data[0]; - struct mctp_lpc *priv; - struct device *dev; - size_t remaining; - unsigned int str; - - priv = to_mctp_lpc(filp); - dev = priv->miscdev.this_device; - - if (!count) - return count; - - if (count > 2) - return -EINVAL; - - if (*ppos >= 2) - return -EINVAL; - - if (*ppos + count > 2) - return -EINVAL; - - if (copy_from_user(data, buf, count)) - return -EFAULT; - - remaining = count; - - if (*ppos == 0) { - /* Wait until OBF is clear - we don't get an IRQ */ - dev_dbg(dev, "Waiting for OBF to clear\n"); - for (;;) { - if (signal_pending(current)) - return -EINTR; - - regmap_read(priv->map, LPC_STR4, &str); - if (!(str & STR4_OBF)) - break; - - msleep(1); - } - - dev_dbg(dev, "Writing 0x%x to ODR\n", *data); - regmap_write(priv->map, LPC_ODR4, *data); - remaining--; - data++; - } - - if (remaining) { - if (!(*data & STR4_OBF)) - dev_err(dev, "Clearing OBF with status write: 0x%x\n", - *data); - dev_dbg(dev, "Writing status 0x%x\n", *data); - regmap_write(priv->map, LPC_STR4, *data); - remaining--; - } - - WARN_ON(remaining); - - regmap_read(priv->map, LPC_STR4, &str); - dev_dbg(dev, "Triggering SerIRQ (current str=0x%x)\n", str); - - /* - * Trigger Host IRQ on ODR write. Do this after any STR write in case - * we need to write ODR to indicate an STR update (which we do). - */ - if (*ppos == 0) - regmap_update_bits(priv->map, LPC_HICRC, LPC_KCS4_IRQ_HOST, - LPC_KCS4_IRQ_HOST); - - return count; -} - -static __poll_t mctp_lpc_poll(struct file *filp, poll_table *wait) -{ - struct mctp_lpc *priv; - struct device *dev; - unsigned int val; - bool ibf; - - priv = to_mctp_lpc(filp); - dev = priv->miscdev.this_device; - - regmap_read(priv->map, LPC_STR4, &val); - - spin_lock_irq(&priv->rx.lock); - - ibf = priv->pending || val & STR4_IBF; - - if (!ibf) { - dev_dbg(dev, "Polling on IBF\n"); - - spin_unlock_irq(&priv->rx.lock); - - poll_wait(filp, &priv->rx, wait); - if (signal_pending(current)) { - dev_dbg(dev, "Polling IBF was interrupted\n"); - goto out; - } - - spin_lock_irq(&priv->rx.lock); - - regmap_read(priv->map, LPC_STR4, &val); - - ibf = priv->pending || val & STR4_IBF; - } - - spin_unlock_irq(&priv->rx.lock); - -out: - dev_dbg(dev, "Polled IBF state: %s\n", ibf ? "set" : "clear"); - - return ibf ? EPOLLIN : 0; -} - -static const struct file_operations mctp_lpc_fops = { - .owner = THIS_MODULE, - .llseek = no_seek_end_llseek, - .read = mctp_lpc_read, - .write = mctp_lpc_write, - .poll = mctp_lpc_poll, -}; - -static int mctp_lpc_probe(struct platform_device *pdev) -{ - struct device *dev = &pdev->dev; - unsigned int mask, val; - struct mctp_lpc *priv; - int irq; - int rc; - - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->map = syscon_node_to_regmap(dev->parent->of_node); - if (IS_ERR(priv->map)) { - dev_err(dev, "Couldn't get regmap\n"); - return -ENODEV; - } - - /* - * Set the LPC address. Simultaneously, test our MMIO regmap works. All - * subsequent accesses are assumed to work - */ - rc = regmap_write(priv->map, LPC_LADR4, ((HOST_STR) << 16) | HOST_ODR); - if (rc < 0) - return rc; - - /* Set up the SerIRQ */ - mask = LPC_KCS4_IRQSEL_MASK - | LPC_KCS4_IRQTYPE_MASK - | LPC_KCS4_OBF4_AUTO_CLR; - val = (HOST_SERIRQ_ID << LPC_KCS4_IRQSEL_SHIFT) - | (HOST_SERIRQ_TYPE << LPC_KCS4_IRQTYPE_SHIFT); - val &= ~LPC_KCS4_OBF4_AUTO_CLR; /* Unnecessary, just documentation */ - regmap_update_bits(priv->map, LPC_HICRC, mask, val); - - /* Trigger waiters from IRQ */ - init_waitqueue_head(&priv->rx); - - dev_set_drvdata(dev, priv); - - /* Set up the miscdevice */ - priv->miscdev.minor = MISC_DYNAMIC_MINOR; - priv->miscdev.name = "mctp0"; - priv->miscdev.fops = &mctp_lpc_fops; - - /* Configure the IRQ handler */ - irq = platform_get_irq(pdev, 0); - if (irq < 0) - return irq; - - rc = devm_request_irq(dev, irq, mctp_lpc_irq, IRQF_SHARED, - dev_name(dev), priv); - if (rc < 0) - return rc; - - /* Register the device */ - rc = misc_register(&priv->miscdev); - if (rc) { - dev_err(dev, "Unable to register device\n"); - return rc; - } - - /* Enable the channel */ - regmap_update_bits(priv->map, LPC_HICRB, - LPC_HICRB_IBFIF4 | LPC_HICRB_LPC4E, - LPC_HICRB_IBFIF4 | LPC_HICRB_LPC4E); - - return 0; -} - -static int mctp_lpc_remove(struct platform_device *pdev) -{ - struct mctp_lpc *ctx = dev_get_drvdata(&pdev->dev); - - misc_deregister(&ctx->miscdev); - - return 0; -} - -static const struct of_device_id mctp_lpc_match[] = { - { .compatible = "openbmc,mctp-lpc" }, - { } -}; -MODULE_DEVICE_TABLE(of, mctp_lpc_match); - -static struct platform_driver mctp_lpc = { - .driver = { - .name = "mctp-lpc", - .of_match_table = mctp_lpc_match, - }, - .probe = mctp_lpc_probe, - .remove = mctp_lpc_remove, -}; -module_platform_driver(mctp_lpc); - -MODULE_LICENSE("GPL v2+"); -MODULE_AUTHOR("Andrew Jeffery <andrew@aj.id.au>"); -MODULE_DESCRIPTION("OpenBMC MCTP LPC binding on ASPEED KCS"); diff --git a/drivers/mmc/host/renesas_sdhi_core.c b/drivers/mmc/host/renesas_sdhi_core.c index acb9c81a4e45..addaaf2810e2 100644 --- a/drivers/mmc/host/renesas_sdhi_core.c +++ b/drivers/mmc/host/renesas_sdhi_core.c @@ -660,14 +660,19 @@ static int renesas_sdhi_execute_tuning(struct mmc_host *mmc, u32 opcode) /* Issue CMD19 twice for each tap */ for (i = 0; i < 2 * priv->tap_num; i++) { + int cmd_error; + /* Set sampling clock position */ sd_scc_write32(host, priv, SH_MOBILE_SDHI_SCC_TAPSET, i % priv->tap_num); - if (mmc_send_tuning(mmc, opcode, NULL) == 0) + if (mmc_send_tuning(mmc, opcode, &cmd_error) == 0) set_bit(i, priv->taps); if (sd_scc_read32(host, priv, SH_MOBILE_SDHI_SCC_SMPCMP) == 0) set_bit(i, priv->smpcmp); + + if (cmd_error) + mmc_abort_tuning(mmc, opcode); } ret = renesas_sdhi_select_tuning(host); @@ -897,7 +902,7 @@ static const struct soc_device_attribute sdhi_quirks_match[] = { { .soc_id = "r8a7795", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps2367 }, { .soc_id = "r8a7796", .revision = "ES1.[012]", .data = &sdhi_quirks_4tap_nohs400 }, { .soc_id = "r8a7796", .revision = "ES1.*", .data = &sdhi_quirks_r8a7796_es13 }, - { .soc_id = "r8a7796", .revision = "ES3.*", .data = &sdhi_quirks_bad_taps1357 }, + { .soc_id = "r8a77961", .data = &sdhi_quirks_bad_taps1357 }, { .soc_id = "r8a77965", .data = &sdhi_quirks_r8a77965 }, { .soc_id = "r8a77980", .data = &sdhi_quirks_nohs400 }, { .soc_id = "r8a77990", .data = &sdhi_quirks_r8a77990 }, diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c index ba8e70a8e312..6b12ce822e51 100644 --- a/drivers/net/appletalk/cops.c +++ b/drivers/net/appletalk/cops.c @@ -327,6 +327,8 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr) break; } + dev->base_addr = ioaddr; + /* Reserve any actual interrupt. */ if (dev->irq) { retval = request_irq(dev->irq, cops_interrupt, 0, dev->name, dev); @@ -334,8 +336,6 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr) goto err_out; } - dev->base_addr = ioaddr; - lp = netdev_priv(dev); spin_lock_init(&lp->lock); diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 47afc5938c26..345a3f61c723 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1502,6 +1502,7 @@ static struct slave *bond_alloc_slave(struct bonding *bond, slave->bond = bond; slave->dev = slave_dev; + INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work); if (bond_kobj_init(slave)) return NULL; @@ -1514,7 +1515,6 @@ static struct slave *bond_alloc_slave(struct bonding *bond, return NULL; } } - INIT_DELAYED_WORK(&slave->notify_work, bond_netdev_notify_work); return slave; } diff --git a/drivers/net/can/usb/mcba_usb.c b/drivers/net/can/usb/mcba_usb.c index e97f2e0da6b0..6d03f1d6c4d3 100644 --- a/drivers/net/can/usb/mcba_usb.c +++ b/drivers/net/can/usb/mcba_usb.c @@ -82,6 +82,8 @@ struct mcba_priv { bool can_ka_first_pass; bool can_speed_check; atomic_t free_ctx_cnt; + void *rxbuf[MCBA_MAX_RX_URBS]; + dma_addr_t rxbuf_dma[MCBA_MAX_RX_URBS]; }; /* CAN frame */ @@ -633,6 +635,7 @@ static int mcba_usb_start(struct mcba_priv *priv) for (i = 0; i < MCBA_MAX_RX_URBS; i++) { struct urb *urb = NULL; u8 *buf; + dma_addr_t buf_dma; /* create a URB, and a buffer for it */ urb = usb_alloc_urb(0, GFP_KERNEL); @@ -642,7 +645,7 @@ static int mcba_usb_start(struct mcba_priv *priv) } buf = usb_alloc_coherent(priv->udev, MCBA_USB_RX_BUFF_SIZE, - GFP_KERNEL, &urb->transfer_dma); + GFP_KERNEL, &buf_dma); if (!buf) { netdev_err(netdev, "No memory left for USB buffer\n"); usb_free_urb(urb); @@ -661,11 +664,14 @@ static int mcba_usb_start(struct mcba_priv *priv) if (err) { usb_unanchor_urb(urb); usb_free_coherent(priv->udev, MCBA_USB_RX_BUFF_SIZE, - buf, urb->transfer_dma); + buf, buf_dma); usb_free_urb(urb); break; } + priv->rxbuf[i] = buf; + priv->rxbuf_dma[i] = buf_dma; + /* Drop reference, USB core will take care of freeing it */ usb_free_urb(urb); } @@ -708,7 +714,14 @@ static int mcba_usb_open(struct net_device *netdev) static void mcba_urb_unlink(struct mcba_priv *priv) { + int i; + usb_kill_anchored_urbs(&priv->rx_submitted); + + for (i = 0; i < MCBA_MAX_RX_URBS; ++i) + usb_free_coherent(priv->udev, MCBA_USB_RX_BUFF_SIZE, + priv->rxbuf[i], priv->rxbuf_dma[i]); + usb_kill_anchored_urbs(&priv->tx_submitted); } diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c index abfd3802bb51..b3aa99eb6c2c 100644 --- a/drivers/net/dsa/microchip/ksz9477.c +++ b/drivers/net/dsa/microchip/ksz9477.c @@ -1532,6 +1532,7 @@ static const struct ksz_chip_data ksz9477_switch_chips[] = { .num_statics = 16, .cpu_ports = 0x7F, /* can be configured as cpu port */ .port_cnt = 7, /* total physical port count */ + .phy_errata_9477 = true, }, }; diff --git a/drivers/net/ethernet/atheros/alx/main.c b/drivers/net/ethernet/atheros/alx/main.c index 9e02f8864593..5e90df42b201 100644 --- a/drivers/net/ethernet/atheros/alx/main.c +++ b/drivers/net/ethernet/atheros/alx/main.c @@ -1849,6 +1849,7 @@ out_free_netdev: free_netdev(netdev); out_pci_release: pci_release_mem_regions(pdev); + pci_disable_pcie_error_reporting(pdev); out_pci_disable: pci_disable_device(pdev); return err; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 9c2f51f23035..9108b497b3c9 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -1224,8 +1224,10 @@ int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, goto failed; /* SR-IOV capability was enabled but there are no VFs*/ - if (iov->total == 0) + if (iov->total == 0) { + err = -EINVAL; goto failed; + } iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param); diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index adfaa9a850dd..db1b89f57079 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -7184,7 +7184,7 @@ skip_rdma: entries_sp = ctx->vnic_max_vnic_entries + ctx->qp_max_l2_entries + 2 * (extra_qps + ctx->qp_min_qp1_entries) + min; entries_sp = roundup(entries_sp, ctx->tqm_entries_multiple); - entries = ctx->qp_max_l2_entries + extra_qps + ctx->qp_min_qp1_entries; + entries = ctx->qp_max_l2_entries + 2 * (extra_qps + ctx->qp_min_qp1_entries); entries = roundup(entries, ctx->tqm_entries_multiple); entries = clamp_t(u32, entries, min, ctx->tqm_max_entries_per_ring); for (i = 0; i < ctx->tqm_fp_rings_count + 1; i++) { @@ -11353,6 +11353,8 @@ static void bnxt_fw_init_one_p3(struct bnxt *bp) bnxt_hwrm_coal_params_qcaps(bp); } +static int bnxt_probe_phy(struct bnxt *bp, bool fw_dflt); + static int bnxt_fw_init_one(struct bnxt *bp) { int rc; @@ -11367,6 +11369,9 @@ static int bnxt_fw_init_one(struct bnxt *bp) netdev_err(bp->dev, "Firmware init phase 2 failed\n"); return rc; } + rc = bnxt_probe_phy(bp, false); + if (rc) + return rc; rc = bnxt_approve_mac(bp, bp->dev->dev_addr, false); if (rc) return rc; @@ -12741,6 +12746,7 @@ init_err_pci_clean: bnxt_hwrm_func_drv_unrgtr(bp); bnxt_free_hwrm_short_cmd_req(bp); bnxt_free_hwrm_resources(bp); + bnxt_ethtool_free(bp); kfree(bp->fw_health); bp->fw_health = NULL; bnxt_cleanup_pci(bp); diff --git a/drivers/net/ethernet/cadence/macb_main.c b/drivers/net/ethernet/cadence/macb_main.c index 390f45e49eaf..1e8bf6b9834b 100644 --- a/drivers/net/ethernet/cadence/macb_main.c +++ b/drivers/net/ethernet/cadence/macb_main.c @@ -2709,6 +2709,9 @@ static struct net_device_stats *gem_get_stats(struct macb *bp) struct gem_stats *hwstat = &bp->hw_stats.gem; struct net_device_stats *nstat = &bp->dev->stats; + if (!netif_running(bp->dev)) + return nstat; + gem_update_stats(bp); nstat->rx_errors = (hwstat->rx_frame_check_sequence_errors + diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c index 61ea3ec5c3fc..83ed10ac8660 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c @@ -1337,13 +1337,27 @@ static int cxgb4_ethtool_flash_phy(struct net_device *netdev, return ret; } - spin_lock_bh(&adap->win0_lock); + /* We have to RESET the chip/firmware because we need the + * chip in uninitialized state for loading new PHY image. + * Otherwise, the running firmware will only store the PHY + * image in local RAM which will be lost after next reset. + */ + ret = t4_fw_reset(adap, adap->mbox, PIORSTMODE_F | PIORST_F); + if (ret < 0) { + dev_err(adap->pdev_dev, + "Set FW to RESET for flashing PHY FW failed. ret: %d\n", + ret); + return ret; + } + ret = t4_load_phy_fw(adap, MEMWIN_NIC, NULL, data, size); - spin_unlock_bh(&adap->win0_lock); - if (ret) - dev_err(adap->pdev_dev, "Failed to load PHY FW\n"); + if (ret < 0) { + dev_err(adap->pdev_dev, "Failed to load PHY FW. ret: %d\n", + ret); + return ret; + } - return ret; + return 0; } static int cxgb4_ethtool_flash_fw(struct net_device *netdev, @@ -1610,16 +1624,14 @@ static struct filter_entry *cxgb4_get_filter_entry(struct adapter *adap, u32 ftid) { struct tid_info *t = &adap->tids; - struct filter_entry *f; - if (ftid < t->nhpftids) - f = &adap->tids.hpftid_tab[ftid]; - else if (ftid < t->nftids) - f = &adap->tids.ftid_tab[ftid - t->nhpftids]; - else - f = lookup_tid(&adap->tids, ftid); + if (ftid >= t->hpftid_base && ftid < t->hpftid_base + t->nhpftids) + return &t->hpftid_tab[ftid - t->hpftid_base]; - return f; + if (ftid >= t->ftid_base && ftid < t->ftid_base + t->nftids) + return &t->ftid_tab[ftid - t->ftid_base]; + + return lookup_tid(t, ftid); } static void cxgb4_fill_filter_rule(struct ethtool_rx_flow_spec *fs, @@ -1826,6 +1838,11 @@ static int cxgb4_ntuple_del_filter(struct net_device *dev, filter_id = filter_info->loc_array[cmd->fs.location]; f = cxgb4_get_filter_entry(adapter, filter_id); + if (f->fs.prio) + filter_id -= adapter->tids.hpftid_base; + else if (!f->fs.hash) + filter_id -= (adapter->tids.ftid_base - adapter->tids.nhpftids); + ret = cxgb4_flow_rule_destroy(dev, f->fs.tc_prio, &f->fs, filter_id); if (ret) goto err; @@ -1885,6 +1902,11 @@ static int cxgb4_ntuple_set_filter(struct net_device *netdev, filter_info = &adapter->ethtool_filters->port[pi->port_id]; + if (fs.prio) + tid += adapter->tids.hpftid_base; + else if (!fs.hash) + tid += (adapter->tids.ftid_base - adapter->tids.nhpftids); + filter_info->loc_array[cmd->fs.location] = tid; set_bit(cmd->fs.location, filter_info->bmap); filter_info->in_use++; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c index e664e05b9f02..5fbc087268db 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_filter.c @@ -198,7 +198,7 @@ static void set_nat_params(struct adapter *adap, struct filter_entry *f, WORD_MASK, f->fs.nat_lip[3] | f->fs.nat_lip[2] << 8 | f->fs.nat_lip[1] << 16 | - (u64)f->fs.nat_lip[0] << 25, 1); + (u64)f->fs.nat_lip[0] << 24, 1); } } diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 04dcb5e4b316..8be525c5e2e4 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -4428,10 +4428,8 @@ static int adap_init0_phy(struct adapter *adap) /* Load PHY Firmware onto adapter. */ - spin_lock_bh(&adap->win0_lock); ret = t4_load_phy_fw(adap, MEMWIN_NIC, phy_info->phy_fw_version, (u8 *)phyf->data, phyf->size); - spin_unlock_bh(&adap->win0_lock); if (ret < 0) dev_err(adap->pdev_dev, "PHY Firmware transfer error %d\n", -ret); diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 581670dced6e..964ea3491b80 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3067,16 +3067,19 @@ int t4_read_flash(struct adapter *adapter, unsigned int addr, * @addr: the start address to write * @n: length of data to write in bytes * @data: the data to write + * @byte_oriented: whether to store data as bytes or as words * * Writes up to a page of data (256 bytes) to the serial flash starting * at the given address. All the data must be written to the same page. + * If @byte_oriented is set the write data is stored as byte stream + * (i.e. matches what on disk), otherwise in big-endian. */ static int t4_write_flash(struct adapter *adapter, unsigned int addr, - unsigned int n, const u8 *data) + unsigned int n, const u8 *data, bool byte_oriented) { - int ret; - u32 buf[64]; unsigned int i, c, left, val, offset = addr & 0xff; + u32 buf[64]; + int ret; if (addr >= adapter->params.sf_size || offset + n > SF_PAGE_SIZE) return -EINVAL; @@ -3087,10 +3090,14 @@ static int t4_write_flash(struct adapter *adapter, unsigned int addr, (ret = sf1_write(adapter, 4, 1, 1, val)) != 0) goto unlock; - for (left = n; left; left -= c) { + for (left = n; left; left -= c, data += c) { c = min(left, 4U); - for (val = 0, i = 0; i < c; ++i) - val = (val << 8) + *data++; + for (val = 0, i = 0; i < c; ++i) { + if (byte_oriented) + val = (val << 8) + data[i]; + else + val = (val << 8) + data[c - i - 1]; + } ret = sf1_write(adapter, c, c != left, 1, val); if (ret) @@ -3103,7 +3110,8 @@ static int t4_write_flash(struct adapter *adapter, unsigned int addr, t4_write_reg(adapter, SF_OP_A, 0); /* unlock SF */ /* Read the page to verify the write succeeded */ - ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf, 1); + ret = t4_read_flash(adapter, addr & ~0xff, ARRAY_SIZE(buf), buf, + byte_oriented); if (ret) return ret; @@ -3699,7 +3707,7 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size) */ memcpy(first_page, fw_data, SF_PAGE_SIZE); ((struct fw_hdr *)first_page)->fw_ver = cpu_to_be32(0xffffffff); - ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page); + ret = t4_write_flash(adap, fw_start, SF_PAGE_SIZE, first_page, true); if (ret) goto out; @@ -3707,14 +3715,14 @@ int t4_load_fw(struct adapter *adap, const u8 *fw_data, unsigned int size) for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) { addr += SF_PAGE_SIZE; fw_data += SF_PAGE_SIZE; - ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data); + ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, fw_data, true); if (ret) goto out; } - ret = t4_write_flash(adap, - fw_start + offsetof(struct fw_hdr, fw_ver), - sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver); + ret = t4_write_flash(adap, fw_start + offsetof(struct fw_hdr, fw_ver), + sizeof(hdr->fw_ver), (const u8 *)&hdr->fw_ver, + true); out: if (ret) dev_err(adap->pdev_dev, "firmware download failed, error %d\n", @@ -3819,9 +3827,11 @@ int t4_load_phy_fw(struct adapter *adap, int win, /* Copy the supplied PHY Firmware image to the adapter memory location * allocated by the adapter firmware. */ + spin_lock_bh(&adap->win0_lock); ret = t4_memory_rw(adap, win, mtype, maddr, phy_fw_size, (__be32 *)phy_fw_data, T4_MEMORY_WRITE); + spin_unlock_bh(&adap->win0_lock); if (ret) return ret; @@ -10215,7 +10225,7 @@ int t4_load_cfg(struct adapter *adap, const u8 *cfg_data, unsigned int size) n = size - i; else n = SF_PAGE_SIZE; - ret = t4_write_flash(adap, addr, n, cfg_data); + ret = t4_write_flash(adap, addr, n, cfg_data, true); if (ret) goto out; @@ -10684,13 +10694,14 @@ int t4_load_boot(struct adapter *adap, u8 *boot_data, for (size -= SF_PAGE_SIZE; size; size -= SF_PAGE_SIZE) { addr += SF_PAGE_SIZE; boot_data += SF_PAGE_SIZE; - ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data); + ret = t4_write_flash(adap, addr, SF_PAGE_SIZE, boot_data, + false); if (ret) goto out; } ret = t4_write_flash(adap, boot_sector, SF_PAGE_SIZE, - (const u8 *)header); + (const u8 *)header, false); out: if (ret) @@ -10765,7 +10776,7 @@ int t4_load_bootcfg(struct adapter *adap, const u8 *cfg_data, unsigned int size) for (i = 0; i < size; i += SF_PAGE_SIZE) { n = min_t(u32, size - i, SF_PAGE_SIZE); - ret = t4_write_flash(adap, addr, n, cfg_data); + ret = t4_write_flash(adap, addr, n, cfg_data, false); if (ret) goto out; @@ -10777,7 +10788,8 @@ int t4_load_bootcfg(struct adapter *adap, const u8 *cfg_data, unsigned int size) for (i = 0; i < npad; i++) { u8 data = 0; - ret = t4_write_flash(adap, cfg_addr + size + i, 1, &data); + ret = t4_write_flash(adap, cfg_addr + size + i, 1, &data, + false); if (ret) goto out; } diff --git a/drivers/net/ethernet/ec_bhf.c b/drivers/net/ethernet/ec_bhf.c index 46b0dbab8aad..7c992172933b 100644 --- a/drivers/net/ethernet/ec_bhf.c +++ b/drivers/net/ethernet/ec_bhf.c @@ -576,10 +576,12 @@ static void ec_bhf_remove(struct pci_dev *dev) struct ec_bhf_priv *priv = netdev_priv(net_dev); unregister_netdev(net_dev); - free_netdev(net_dev); pci_iounmap(dev, priv->dma_io); pci_iounmap(dev, priv->io); + + free_netdev(net_dev); + pci_release_regions(dev); pci_clear_master(dev); pci_disable_device(dev); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index 676e437d78f6..cb1e1ad652d0 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5905,6 +5905,7 @@ drv_cleanup: unmap_bars: be_unmap_pci_bars(adapter); free_netdev: + pci_disable_pcie_error_reporting(pdev); free_netdev(netdev); rel_reg: pci_release_regions(pdev); diff --git a/drivers/net/ethernet/freescale/fec_ptp.c b/drivers/net/ethernet/freescale/fec_ptp.c index 1753807cbf97..d71eac7e1924 100644 --- a/drivers/net/ethernet/freescale/fec_ptp.c +++ b/drivers/net/ethernet/freescale/fec_ptp.c @@ -215,15 +215,13 @@ static u64 fec_ptp_read(const struct cyclecounter *cc) { struct fec_enet_private *fep = container_of(cc, struct fec_enet_private, cc); - const struct platform_device_id *id_entry = - platform_get_device_id(fep->pdev); u32 tempval; tempval = readl(fep->hwp + FEC_ATIME_CTRL); tempval |= FEC_T_CTRL_CAPTURE; writel(tempval, fep->hwp + FEC_ATIME_CTRL); - if (id_entry->driver_data & FEC_QUIRK_BUG_CAPTURE) + if (fep->quirks & FEC_QUIRK_BUG_CAPTURE) udelay(1); return readl(fep->hwp + FEC_ATIME); @@ -604,6 +602,10 @@ void fec_ptp_init(struct platform_device *pdev, int irq_idx) fep->ptp_caps.enable = fec_ptp_enable; fep->cycle_speed = clk_get_rate(fep->clk_ptp); + if (!fep->cycle_speed) { + fep->cycle_speed = NSEC_PER_SEC; + dev_err(&fep->pdev->dev, "clk_ptp clock rate is zero\n"); + } fep->ptp_inc = NSEC_PER_SEC / fep->cycle_speed; spin_lock_init(&fep->tmreg_lock); diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index fb20c6971f4c..dc944d605a74 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -1705,12 +1705,13 @@ setup_rings: * ice_vsi_cfg_txqs - Configure the VSI for Tx * @vsi: the VSI being configured * @rings: Tx ring array to be configured + * @count: number of Tx ring array elements * * Return 0 on success and a negative value on error * Configure the Tx VSI for operation. */ static int -ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings) +ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings, u16 count) { struct ice_aqc_add_tx_qgrp *qg_buf; u16 q_idx = 0; @@ -1722,7 +1723,7 @@ ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings) qg_buf->num_txqs = 1; - for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { + for (q_idx = 0; q_idx < count; q_idx++) { err = ice_vsi_cfg_txq(vsi, rings[q_idx], qg_buf); if (err) goto err_cfg_txqs; @@ -1742,7 +1743,7 @@ err_cfg_txqs: */ int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi) { - return ice_vsi_cfg_txqs(vsi, vsi->tx_rings); + return ice_vsi_cfg_txqs(vsi, vsi->tx_rings, vsi->num_txq); } /** @@ -1757,7 +1758,7 @@ int ice_vsi_cfg_xdp_txqs(struct ice_vsi *vsi) int ret; int i; - ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings); + ret = ice_vsi_cfg_txqs(vsi, vsi->xdp_rings, vsi->num_xdp_txq); if (ret) return ret; @@ -1955,17 +1956,18 @@ int ice_vsi_stop_all_rx_rings(struct ice_vsi *vsi) * @rst_src: reset source * @rel_vmvf_num: Relative ID of VF/VM * @rings: Tx ring array to be stopped + * @count: number of Tx ring array elements */ static int ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, - u16 rel_vmvf_num, struct ice_ring **rings) + u16 rel_vmvf_num, struct ice_ring **rings, u16 count) { u16 q_idx; if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) return -EINVAL; - for (q_idx = 0; q_idx < vsi->num_txq; q_idx++) { + for (q_idx = 0; q_idx < count; q_idx++) { struct ice_txq_meta txq_meta = { }; int status; @@ -1993,7 +1995,7 @@ int ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, u16 rel_vmvf_num) { - return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings); + return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings, vsi->num_txq); } /** @@ -2002,7 +2004,7 @@ ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, */ int ice_vsi_stop_xdp_tx_rings(struct ice_vsi *vsi) { - return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings); + return ice_vsi_stop_tx_rings(vsi, ICE_NO_RESET, 0, vsi->xdp_rings, vsi->num_xdp_txq); } /** diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index 6f30aad7695f..1567ddd4c5b8 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -2540,6 +2540,20 @@ ice_xdp_setup_prog(struct ice_vsi *vsi, struct bpf_prog *prog, } /** + * ice_xdp_safe_mode - XDP handler for safe mode + * @dev: netdevice + * @xdp: XDP command + */ +static int ice_xdp_safe_mode(struct net_device __always_unused *dev, + struct netdev_bpf *xdp) +{ + NL_SET_ERR_MSG_MOD(xdp->extack, + "Please provide working DDP firmware package in order to use XDP\n" + "Refer to Documentation/networking/device_drivers/ethernet/intel/ice.rst"); + return -EOPNOTSUPP; +} + +/** * ice_xdp - implements XDP handler * @dev: netdevice * @xdp: XDP command @@ -6786,6 +6800,7 @@ static const struct net_device_ops ice_netdev_safe_mode_ops = { .ndo_change_mtu = ice_change_mtu, .ndo_get_stats64 = ice_get_stats64, .ndo_tx_timeout = ice_tx_timeout, + .ndo_bpf = ice_xdp_safe_mode, }; static const struct net_device_ops ice_netdev_ops = { diff --git a/drivers/net/ethernet/lantiq_xrx200.c b/drivers/net/ethernet/lantiq_xrx200.c index 135ba5b6ae98..072075bc60ee 100644 --- a/drivers/net/ethernet/lantiq_xrx200.c +++ b/drivers/net/ethernet/lantiq_xrx200.c @@ -154,6 +154,7 @@ static int xrx200_close(struct net_device *net_dev) static int xrx200_alloc_skb(struct xrx200_chan *ch) { + struct sk_buff *skb = ch->skb[ch->dma.desc]; dma_addr_t mapping; int ret = 0; @@ -168,6 +169,7 @@ static int xrx200_alloc_skb(struct xrx200_chan *ch) XRX200_DMA_DATA_LEN, DMA_FROM_DEVICE); if (unlikely(dma_mapping_error(ch->priv->dev, mapping))) { dev_kfree_skb_any(ch->skb[ch->dma.desc]); + ch->skb[ch->dma.desc] = skb; ret = -ENOMEM; goto skip; } @@ -198,7 +200,6 @@ static int xrx200_hw_receive(struct xrx200_chan *ch) ch->dma.desc %= LTQ_DESC_NUM; if (ret) { - ch->skb[ch->dma.desc] = skb; net_dev->stats.rx_dropped++; netdev_err(net_dev, "failed to allocate new rx buffer\n"); return ret; @@ -352,8 +353,8 @@ static irqreturn_t xrx200_dma_irq(int irq, void *ptr) struct xrx200_chan *ch = ptr; if (napi_schedule_prep(&ch->napi)) { - __napi_schedule(&ch->napi); ltq_dma_disable_irq(&ch->dma); + __napi_schedule(&ch->napi); } ltq_dma_ack_irq(&ch->dma); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.c b/drivers/net/ethernet/mellanox/mlx4/fw.c index f6cfec81ccc3..dc4ac1a2b6b6 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.c +++ b/drivers/net/ethernet/mellanox/mlx4/fw.c @@ -823,6 +823,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) #define QUERY_DEV_CAP_MAD_DEMUX_OFFSET 0xb0 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_BASE_OFFSET 0xa8 #define QUERY_DEV_CAP_DMFS_HIGH_RATE_QPN_RANGE_OFFSET 0xac +#define QUERY_DEV_CAP_MAP_CLOCK_TO_USER 0xc1 #define QUERY_DEV_CAP_QP_RATE_LIMIT_NUM_OFFSET 0xcc #define QUERY_DEV_CAP_QP_RATE_LIMIT_MAX_OFFSET 0xd0 #define QUERY_DEV_CAP_QP_RATE_LIMIT_MIN_OFFSET 0xd2 @@ -841,6 +842,8 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) if (mlx4_is_mfunc(dev)) disable_unsupported_roce_caps(outbox); + MLX4_GET(field, outbox, QUERY_DEV_CAP_MAP_CLOCK_TO_USER); + dev_cap->map_clock_to_user = field & 0x80; MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_QP_OFFSET); dev_cap->reserved_qps = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_QP_OFFSET); diff --git a/drivers/net/ethernet/mellanox/mlx4/fw.h b/drivers/net/ethernet/mellanox/mlx4/fw.h index 8f020f26ebf5..cf64e54eecb0 100644 --- a/drivers/net/ethernet/mellanox/mlx4/fw.h +++ b/drivers/net/ethernet/mellanox/mlx4/fw.h @@ -131,6 +131,7 @@ struct mlx4_dev_cap { u32 health_buffer_addrs; struct mlx4_port_cap port_cap[MLX4_MAX_PORTS + 1]; bool wol_port[MLX4_MAX_PORTS + 1]; + bool map_clock_to_user; }; struct mlx4_func_cap { diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index c326b434734e..00c84656b2e7 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -498,6 +498,7 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) } } + dev->caps.map_clock_to_user = dev_cap->map_clock_to_user; dev->caps.uar_page_size = PAGE_SIZE; dev->caps.num_uars = dev_cap->uar_size / PAGE_SIZE; dev->caps.local_ca_ack_delay = dev_cap->local_ca_ack_delay; @@ -1948,6 +1949,11 @@ int mlx4_get_internal_clock_params(struct mlx4_dev *dev, if (mlx4_is_slave(dev)) return -EOPNOTSUPP; + if (!dev->caps.map_clock_to_user) { + mlx4_dbg(dev, "Map clock to user is not supported.\n"); + return -EOPNOTSUPP; + } + if (!params) return -EINVAL; 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 3d45341e2216..26f7fab109d9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c @@ -532,9 +532,6 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv) struct mlx5_core_dev *mdev = priv->mdev; struct net_device *netdev = priv->netdev; - if (!priv->ipsec) - return; - if (!(mlx5_accel_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_ESP) || !MLX5_CAP_ETH(mdev, swp)) { mlx5_core_dbg(mdev, "mlx5e: ESP and SWP offload not supported\n"); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index f18b52be32e9..d81fa8e56199 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -4958,13 +4958,9 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev) } if (mlx5_vxlan_allowed(mdev->vxlan) || mlx5_geneve_tx_allowed(mdev)) { - netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_GSO_UDP_TUNNEL_CSUM; - netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_GSO_UDP_TUNNEL_CSUM; - netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; - netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL | - NETIF_F_GSO_UDP_TUNNEL_CSUM; + netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL; + netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; + netdev->vlan_features |= NETIF_F_GSO_UDP_TUNNEL; } if (mlx5e_tunnel_proto_supported(mdev, IPPROTO_GRE)) { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 80abdb0b47d7..59837af959d0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -5206,7 +5206,7 @@ static void mlx5e_tc_hairpin_update_dead_peer(struct mlx5e_priv *priv, list_for_each_entry_safe(hpe, tmp, &init_wait_list, dead_peer_wait_list) { wait_for_completion(&hpe->res_ready); if (!IS_ERR_OR_NULL(hpe->hp) && hpe->peer_vhca_id == peer_vhca_id) - hpe->hp->pair->peer_gone = true; + mlx5_core_hairpin_clear_dead_peer(hpe->hp->pair); mlx5e_hairpin_put(priv, hpe); } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index d61539b5567c..401b2f5128dd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1302,6 +1302,12 @@ static int esw_enable_vport(struct mlx5_eswitch *esw, u16 vport_num, (!vport_num && mlx5_core_is_ecpf(esw->dev))) vport->info.trusted = true; + /* External controller host PF has factory programmed MAC. + * Read it from the device. + */ + if (mlx5_core_is_ecpf(esw->dev) && vport_num == MLX5_VPORT_PF) + mlx5_query_nic_vport_mac_address(esw->dev, vport_num, true, vport->info.mac); + esw_vport_change_handle_locked(vport); esw->enabled_vports++; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/mr.c b/drivers/net/ethernet/mellanox/mlx5/core/mr.c index 9eb51f06d3ae..d1972508338c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/mr.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/mr.c @@ -54,7 +54,7 @@ int mlx5_core_create_mkey(struct mlx5_core_dev *dev, mkey_index = MLX5_GET(create_mkey_out, lout, mkey_index); mkey->iova = MLX5_GET64(mkc, mkc, start_addr); mkey->size = MLX5_GET64(mkc, mkc, len); - mkey->key |= mlx5_idx_to_mkey(mkey_index); + mkey->key = (u32)mlx5_mkey_variant(mkey->key) | mlx5_idx_to_mkey(mkey_index); mkey->pd = MLX5_GET(mkc, mkc, pd); mlx5_core_dbg(dev, "out 0x%x, mkey 0x%x\n", mkey_index, mkey->key); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c index 8e0dddc6383f..2389239acadc 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/rdma.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/rdma.c @@ -156,6 +156,9 @@ void mlx5_rdma_enable_roce(struct mlx5_core_dev *dev) { int err; + if (!MLX5_CAP_GEN(dev, roce)) + return; + err = mlx5_nic_vport_enable_roce(dev); if (err) { mlx5_core_err(dev, "Failed to enable RoCE: %d\n", err); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c index 51bbd88ff021..fd56cae0d54f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_cmd.c @@ -78,9 +78,9 @@ int mlx5dr_cmd_query_esw_caps(struct mlx5_core_dev *mdev, caps->uplink_icm_address_tx = MLX5_CAP64_ESW_FLOWTABLE(mdev, sw_steering_uplink_icm_address_tx); - caps->sw_owner = - MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, - sw_owner); + caps->sw_owner_v2 = MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, sw_owner_v2); + if (!caps->sw_owner_v2) + caps->sw_owner = MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, sw_owner); return 0; } @@ -113,10 +113,15 @@ int mlx5dr_cmd_query_device(struct mlx5_core_dev *mdev, caps->nic_tx_allow_address = MLX5_CAP64_FLOWTABLE(mdev, sw_steering_nic_tx_action_allow_icm_address); - caps->rx_sw_owner = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, sw_owner); - caps->max_ft_level = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_ft_level); + caps->rx_sw_owner_v2 = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, sw_owner_v2); + caps->tx_sw_owner_v2 = MLX5_CAP_FLOWTABLE_NIC_TX(mdev, sw_owner_v2); + + if (!caps->rx_sw_owner_v2) + caps->rx_sw_owner = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, sw_owner); + if (!caps->tx_sw_owner_v2) + caps->tx_sw_owner = MLX5_CAP_FLOWTABLE_NIC_TX(mdev, sw_owner); - caps->tx_sw_owner = MLX5_CAP_FLOWTABLE_NIC_TX(mdev, sw_owner); + caps->max_ft_level = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, max_ft_level); caps->log_icm_size = MLX5_CAP_DEV_MEM(mdev, log_steering_sw_icm_size); caps->hdr_modify_icm_addr = diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c index aa2c2d6c44e6..00d861361428 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_domain.c @@ -4,6 +4,11 @@ #include <linux/mlx5/eswitch.h> #include "dr_types.h" +#define DR_DOMAIN_SW_STEERING_SUPPORTED(dmn, dmn_type) \ + ((dmn)->info.caps.dmn_type##_sw_owner || \ + ((dmn)->info.caps.dmn_type##_sw_owner_v2 && \ + (dmn)->info.caps.sw_format_ver <= MLX5_STEERING_FORMAT_CONNECTX_6DX)) + static int dr_domain_init_cache(struct mlx5dr_domain *dmn) { /* Per vport cached FW FT for checksum recalculation, this @@ -181,6 +186,7 @@ static int dr_domain_query_fdb_caps(struct mlx5_core_dev *mdev, return ret; dmn->info.caps.fdb_sw_owner = dmn->info.caps.esw_caps.sw_owner; + dmn->info.caps.fdb_sw_owner_v2 = dmn->info.caps.esw_caps.sw_owner_v2; dmn->info.caps.esw_rx_drop_address = dmn->info.caps.esw_caps.drop_icm_address_rx; dmn->info.caps.esw_tx_drop_address = dmn->info.caps.esw_caps.drop_icm_address_tx; @@ -223,18 +229,13 @@ static int dr_domain_caps_init(struct mlx5_core_dev *mdev, if (ret) return ret; - if (dmn->info.caps.sw_format_ver != MLX5_STEERING_FORMAT_CONNECTX_5) { - mlx5dr_err(dmn, "SW steering is not supported on this device\n"); - return -EOPNOTSUPP; - } - ret = dr_domain_query_fdb_caps(mdev, dmn); if (ret) return ret; switch (dmn->type) { case MLX5DR_DOMAIN_TYPE_NIC_RX: - if (!dmn->info.caps.rx_sw_owner) + if (!DR_DOMAIN_SW_STEERING_SUPPORTED(dmn, rx)) return -ENOTSUPP; dmn->info.supp_sw_steering = true; @@ -243,7 +244,7 @@ static int dr_domain_caps_init(struct mlx5_core_dev *mdev, dmn->info.rx.drop_icm_addr = dmn->info.caps.nic_rx_drop_address; break; case MLX5DR_DOMAIN_TYPE_NIC_TX: - if (!dmn->info.caps.tx_sw_owner) + if (!DR_DOMAIN_SW_STEERING_SUPPORTED(dmn, tx)) return -ENOTSUPP; dmn->info.supp_sw_steering = true; @@ -255,7 +256,7 @@ static int dr_domain_caps_init(struct mlx5_core_dev *mdev, if (!dmn->info.caps.eswitch_manager) return -ENOTSUPP; - if (!dmn->info.caps.fdb_sw_owner) + if (!DR_DOMAIN_SW_STEERING_SUPPORTED(dmn, fdb)) return -ENOTSUPP; dmn->info.rx.ste_type = MLX5DR_STE_TYPE_RX; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h index cf62ea4f882e..42c49f09e9d3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/dr_types.h @@ -597,7 +597,8 @@ struct mlx5dr_esw_caps { u64 drop_icm_address_tx; u64 uplink_icm_address_rx; u64 uplink_icm_address_tx; - bool sw_owner; + u8 sw_owner:1; + u8 sw_owner_v2:1; }; struct mlx5dr_cmd_vport_cap { @@ -630,6 +631,9 @@ struct mlx5dr_cmd_caps { bool rx_sw_owner; bool tx_sw_owner; bool fdb_sw_owner; + u8 rx_sw_owner_v2:1; + u8 tx_sw_owner_v2:1; + u8 fdb_sw_owner_v2:1; u32 num_vports; struct mlx5dr_esw_caps esw_caps; struct mlx5dr_cmd_vport_cap *vports_caps; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h index 7914fe3fc68d..454968ba6831 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/steering/mlx5dr.h @@ -124,7 +124,11 @@ int mlx5dr_action_destroy(struct mlx5dr_action *action); static inline bool mlx5dr_is_supported(struct mlx5_core_dev *dev) { - return MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner); + return MLX5_CAP_GEN(dev, roce) && + (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner) || + (MLX5_CAP_ESW_FLOWTABLE_FDB(dev, sw_owner_v2) && + (MLX5_CAP_GEN(dev, steering_format_version) <= + MLX5_STEERING_FORMAT_CONNECTX_6DX))); } #endif /* _MLX5DR_H_ */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c index 01cc00ad8acf..b6931bbe52d2 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/transobj.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/transobj.c @@ -424,6 +424,15 @@ err_modify_sq: return err; } +static void mlx5_hairpin_unpair_peer_sq(struct mlx5_hairpin *hp) +{ + int i; + + for (i = 0; i < hp->num_channels; i++) + mlx5_hairpin_modify_sq(hp->peer_mdev, hp->sqn[i], MLX5_SQC_STATE_RDY, + MLX5_SQC_STATE_RST, 0, 0); +} + static void mlx5_hairpin_unpair_queues(struct mlx5_hairpin *hp) { int i; @@ -432,13 +441,9 @@ static void mlx5_hairpin_unpair_queues(struct mlx5_hairpin *hp) for (i = 0; i < hp->num_channels; i++) mlx5_hairpin_modify_rq(hp->func_mdev, hp->rqn[i], MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_RST, 0, 0); - /* unset peer SQs */ - if (hp->peer_gone) - return; - for (i = 0; i < hp->num_channels; i++) - mlx5_hairpin_modify_sq(hp->peer_mdev, hp->sqn[i], MLX5_SQC_STATE_RDY, - MLX5_SQC_STATE_RST, 0, 0); + if (!hp->peer_gone) + mlx5_hairpin_unpair_peer_sq(hp); } struct mlx5_hairpin * @@ -485,3 +490,16 @@ void mlx5_core_hairpin_destroy(struct mlx5_hairpin *hp) mlx5_hairpin_destroy_queues(hp); kfree(hp); } + +void mlx5_core_hairpin_clear_dead_peer(struct mlx5_hairpin *hp) +{ + int i; + + mlx5_hairpin_unpair_peer_sq(hp); + + /* destroy peer SQ */ + for (i = 0; i < hp->num_channels; i++) + mlx5_core_destroy_sq(hp->peer_mdev, hp->sqn[i]); + + hp->peer_gone = true; +} diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c index bdafc85fd874..fc91bbf7d0c3 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c @@ -464,8 +464,6 @@ int mlx5_modify_nic_vport_node_guid(struct mlx5_core_dev *mdev, void *in; int err; - if (!vport) - return -EINVAL; if (!MLX5_CAP_GEN(mdev, vport_group_manager)) return -EACCES; diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c index bf85ce9835d7..42e4437ac3c1 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core_thermal.c @@ -708,7 +708,8 @@ mlxsw_thermal_module_tz_init(struct mlxsw_thermal_module *module_tz) MLXSW_THERMAL_TRIP_MASK, module_tz, &mlxsw_thermal_module_ops, - NULL, 0, 0); + NULL, 0, + module_tz->parent->polling_delay); if (IS_ERR(module_tz->tzdev)) { err = PTR_ERR(module_tz->tzdev); return err; @@ -830,7 +831,8 @@ mlxsw_thermal_gearbox_tz_init(struct mlxsw_thermal_module *gearbox_tz) MLXSW_THERMAL_TRIP_MASK, gearbox_tz, &mlxsw_thermal_gearbox_ops, - NULL, 0, 0); + NULL, 0, + gearbox_tz->parent->polling_delay); if (IS_ERR(gearbox_tz->tzdev)) return PTR_ERR(gearbox_tz->tzdev); diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 3c3069afc0a3..c670bf3464c2 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -3641,7 +3641,7 @@ MLXSW_ITEM32(reg, qeec, max_shaper_bs, 0x1C, 0, 6); #define MLXSW_REG_QEEC_HIGHEST_SHAPER_BS 25 #define MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP1 5 #define MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP2 11 -#define MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3 5 +#define MLXSW_REG_QEEC_LOWEST_SHAPER_BS_SP3 11 static inline void mlxsw_reg_qeec_pack(char *payload, u8 local_port, enum mlxsw_reg_qeec_hr hr, u8 index, diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index aa400b925b08..5bfc7acfd13a 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -355,6 +355,7 @@ static u32 ocelot_read_eq_avail(struct ocelot *ocelot, int port) int ocelot_port_flush(struct ocelot *ocelot, int port) { + unsigned int pause_ena; int err, val; /* Disable dequeuing from the egress queues */ @@ -363,6 +364,7 @@ int ocelot_port_flush(struct ocelot *ocelot, int port) QSYS_PORT_MODE, port); /* Disable flow control */ + ocelot_fields_read(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, &pause_ena); ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, 0); /* Disable priority flow control */ @@ -398,6 +400,9 @@ int ocelot_port_flush(struct ocelot *ocelot, int port) /* Clear flushing again. */ ocelot_rmw_gix(ocelot, 0, REW_PORT_CFG_FLUSH_ENA, REW_PORT_CFG, port); + /* Re-enable flow control */ + ocelot_fields_write(ocelot, port, SYS_PAUSE_CFG_PAUSE_ENA, pause_ena); + return err; } EXPORT_SYMBOL(ocelot_port_flush); diff --git a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c index c84c8bf2bc20..fc99ad8e4a38 100644 --- a/drivers/net/ethernet/myricom/myri10ge/myri10ge.c +++ b/drivers/net/ethernet/myricom/myri10ge/myri10ge.c @@ -3815,6 +3815,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev_err(&pdev->dev, "invalid sram_size %dB or board span %ldB\n", mgp->sram_size, mgp->board_span); + status = -EINVAL; goto abort_with_ioremap; } memcpy_fromio(mgp->eeprom_strings, diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index d258e0ccf946..e2046b6d65a3 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -1602,6 +1602,8 @@ err_out_free_netdev: free_netdev(netdev); err_out_free_res: + if (NX_IS_REVISION_P3(pdev->revision)) + pci_disable_pcie_error_reporting(pdev); pci_release_regions(pdev); err_out_disable_pdev: diff --git a/drivers/net/ethernet/qlogic/qla3xxx.c b/drivers/net/ethernet/qlogic/qla3xxx.c index 27740c027681..a83b3d69a656 100644 --- a/drivers/net/ethernet/qlogic/qla3xxx.c +++ b/drivers/net/ethernet/qlogic/qla3xxx.c @@ -114,7 +114,7 @@ static int ql_sem_spinlock(struct ql3_adapter *qdev, value = readl(&port_regs->CommonRegs.semaphoreReg); if ((value & (sem_mask >> 16)) == sem_bits) return 0; - ssleep(1); + mdelay(1000); } while (--seconds); return -1; } diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index c2faf96fcade..27c07b2412f4 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c @@ -2692,6 +2692,7 @@ err_out_free_hw_res: kfree(ahw); err_out_free_res: + pci_disable_pcie_error_reporting(pdev); pci_release_regions(pdev); err_out_disable_pdev: diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c index fcdecddb2812..8d51b0cb545c 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c @@ -26,7 +26,7 @@ static int rmnet_is_real_dev_registered(const struct net_device *real_dev) } /* Needs rtnl lock */ -static struct rmnet_port* +struct rmnet_port* rmnet_get_port_rtnl(const struct net_device *real_dev) { return rtnl_dereference(real_dev->rx_handler_data); @@ -253,7 +253,10 @@ static int rmnet_config_notify_cb(struct notifier_block *nb, netdev_dbg(real_dev, "Kernel unregister\n"); rmnet_force_unassociate_device(real_dev); break; - + case NETDEV_CHANGEMTU: + if (rmnet_vnd_validate_real_dev_mtu(real_dev)) + return NOTIFY_BAD; + break; default: break; } @@ -329,9 +332,17 @@ static int rmnet_changelink(struct net_device *dev, struct nlattr *tb[], if (data[IFLA_RMNET_FLAGS]) { struct ifla_rmnet_flags *flags; + u32 old_data_format; + old_data_format = port->data_format; flags = nla_data(data[IFLA_RMNET_FLAGS]); port->data_format = flags->flags & flags->mask; + + if (rmnet_vnd_update_dev_mtu(port, real_dev)) { + port->data_format = old_data_format; + NL_SET_ERR_MSG_MOD(extack, "Invalid MTU on real dev"); + return -EINVAL; + } } return 0; diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h index be515982d628..8d8d4690a074 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.h @@ -73,4 +73,6 @@ int rmnet_add_bridge(struct net_device *rmnet_dev, struct netlink_ext_ack *extack); int rmnet_del_bridge(struct net_device *rmnet_dev, struct net_device *slave_dev); +struct rmnet_port* +rmnet_get_port_rtnl(const struct net_device *real_dev); #endif /* _RMNET_CONFIG_H_ */ diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c index d58b51d277f1..2adcf24848a4 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.c @@ -58,9 +58,30 @@ static netdev_tx_t rmnet_vnd_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; } +static int rmnet_vnd_headroom(struct rmnet_port *port) +{ + u32 headroom; + + headroom = sizeof(struct rmnet_map_header); + + if (port->data_format & RMNET_FLAGS_EGRESS_MAP_CKSUMV4) + headroom += sizeof(struct rmnet_map_ul_csum_header); + + return headroom; +} + static int rmnet_vnd_change_mtu(struct net_device *rmnet_dev, int new_mtu) { - if (new_mtu < 0 || new_mtu > RMNET_MAX_PACKET_SIZE) + struct rmnet_priv *priv = netdev_priv(rmnet_dev); + struct rmnet_port *port; + u32 headroom; + + port = rmnet_get_port_rtnl(priv->real_dev); + + headroom = rmnet_vnd_headroom(port); + + if (new_mtu < 0 || new_mtu > RMNET_MAX_PACKET_SIZE || + new_mtu > (priv->real_dev->mtu - headroom)) return -EINVAL; rmnet_dev->mtu = new_mtu; @@ -104,24 +125,24 @@ static void rmnet_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *s) { struct rmnet_priv *priv = netdev_priv(dev); - struct rmnet_vnd_stats total_stats; + struct rmnet_vnd_stats total_stats = { }; struct rmnet_pcpu_stats *pcpu_ptr; + struct rmnet_vnd_stats snapshot; unsigned int cpu, start; - memset(&total_stats, 0, sizeof(struct rmnet_vnd_stats)); - for_each_possible_cpu(cpu) { pcpu_ptr = per_cpu_ptr(priv->pcpu_stats, cpu); do { start = u64_stats_fetch_begin_irq(&pcpu_ptr->syncp); - total_stats.rx_pkts += pcpu_ptr->stats.rx_pkts; - total_stats.rx_bytes += pcpu_ptr->stats.rx_bytes; - total_stats.tx_pkts += pcpu_ptr->stats.tx_pkts; - total_stats.tx_bytes += pcpu_ptr->stats.tx_bytes; + snapshot = pcpu_ptr->stats; /* struct assignment */ } while (u64_stats_fetch_retry_irq(&pcpu_ptr->syncp, start)); - total_stats.tx_drops += pcpu_ptr->stats.tx_drops; + total_stats.rx_pkts += snapshot.rx_pkts; + total_stats.rx_bytes += snapshot.rx_bytes; + total_stats.tx_pkts += snapshot.tx_pkts; + total_stats.tx_bytes += snapshot.tx_bytes; + total_stats.tx_drops += snapshot.tx_drops; } s->rx_packets = total_stats.rx_pkts; @@ -229,6 +250,7 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, { struct rmnet_priv *priv = netdev_priv(rmnet_dev); + u32 headroom; int rc; if (rmnet_get_endpoint(port, id)) { @@ -242,6 +264,13 @@ int rmnet_vnd_newlink(u8 id, struct net_device *rmnet_dev, priv->real_dev = real_dev; + headroom = rmnet_vnd_headroom(port); + + if (rmnet_vnd_change_mtu(rmnet_dev, real_dev->mtu - headroom)) { + NL_SET_ERR_MSG_MOD(extack, "Invalid MTU on real dev"); + return -EINVAL; + } + rc = register_netdevice(rmnet_dev); if (!rc) { ep->egress_dev = rmnet_dev; @@ -283,3 +312,45 @@ int rmnet_vnd_do_flow_control(struct net_device *rmnet_dev, int enable) return 0; } + +int rmnet_vnd_validate_real_dev_mtu(struct net_device *real_dev) +{ + struct hlist_node *tmp_ep; + struct rmnet_endpoint *ep; + struct rmnet_port *port; + unsigned long bkt_ep; + u32 headroom; + + port = rmnet_get_port_rtnl(real_dev); + + headroom = rmnet_vnd_headroom(port); + + hash_for_each_safe(port->muxed_ep, bkt_ep, tmp_ep, ep, hlnode) { + if (ep->egress_dev->mtu > (real_dev->mtu - headroom)) + return -1; + } + + return 0; +} + +int rmnet_vnd_update_dev_mtu(struct rmnet_port *port, + struct net_device *real_dev) +{ + struct hlist_node *tmp_ep; + struct rmnet_endpoint *ep; + unsigned long bkt_ep; + u32 headroom; + + headroom = rmnet_vnd_headroom(port); + + hash_for_each_safe(port->muxed_ep, bkt_ep, tmp_ep, ep, hlnode) { + if (ep->egress_dev->mtu <= (real_dev->mtu - headroom)) + continue; + + if (rmnet_vnd_change_mtu(ep->egress_dev, + real_dev->mtu - headroom)) + return -1; + } + + return 0; +} diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h index 4967f3461ed1..dc3a4443ef0a 100644 --- a/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h +++ b/drivers/net/ethernet/qualcomm/rmnet/rmnet_vnd.h @@ -18,4 +18,7 @@ int rmnet_vnd_dellink(u8 id, struct rmnet_port *port, void rmnet_vnd_rx_fixup(struct sk_buff *skb, struct net_device *dev); void rmnet_vnd_tx_fixup(struct sk_buff *skb, struct net_device *dev); void rmnet_vnd_setup(struct net_device *dev); +int rmnet_vnd_validate_real_dev_mtu(struct net_device *real_dev); +int rmnet_vnd_update_dev_mtu(struct rmnet_port *port, + struct net_device *real_dev); #endif /* _RMNET_VND_H_ */ diff --git a/drivers/net/ethernet/sfc/nic.c b/drivers/net/ethernet/sfc/nic.c index d1e908846f5d..22fbb0ae77fb 100644 --- a/drivers/net/ethernet/sfc/nic.c +++ b/drivers/net/ethernet/sfc/nic.c @@ -90,6 +90,7 @@ int efx_nic_init_interrupt(struct efx_nic *efx) efx->pci_dev->irq); goto fail1; } + efx->irqs_hooked = true; return 0; } diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h index b70d44ac0990..3c73453725f9 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac1000.h @@ -76,10 +76,10 @@ enum power_event { #define LPI_CTRL_STATUS_TLPIEN 0x00000001 /* Transmit LPI Entry */ /* GMAC HW ADDR regs */ -#define GMAC_ADDR_HIGH(reg) (((reg > 15) ? 0x00000800 : 0x00000040) + \ - (reg * 8)) -#define GMAC_ADDR_LOW(reg) (((reg > 15) ? 0x00000804 : 0x00000044) + \ - (reg * 8)) +#define GMAC_ADDR_HIGH(reg) ((reg > 15) ? 0x00000800 + (reg - 16) * 8 : \ + 0x00000040 + (reg * 8)) +#define GMAC_ADDR_LOW(reg) ((reg > 15) ? 0x00000804 + (reg - 16) * 8 : \ + 0x00000044 + (reg * 8)) #define GMAC_MAX_PERFECT_ADDRESSES 1 #define GMAC_PCS_BASE 0x000000c0 /* PCS register base */ diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index af34a4cadbb0..ff95400594fc 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -626,6 +626,8 @@ error_pclk_get: void stmmac_remove_config_dt(struct platform_device *pdev, struct plat_stmmacenet_data *plat) { + clk_disable_unprepare(plat->stmmac_clk); + clk_disable_unprepare(plat->pclk); of_node_put(plat->phy_node); of_node_put(plat->mdio_node); } diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c index 030185301014..01bb36e7cff0 100644 --- a/drivers/net/ethernet/xilinx/ll_temac_main.c +++ b/drivers/net/ethernet/xilinx/ll_temac_main.c @@ -849,7 +849,7 @@ temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) smp_mb(); /* Space might have just been freed - check again */ - if (temac_check_tx_bd_space(lp, num_frag)) + if (temac_check_tx_bd_space(lp, num_frag + 1)) return NETDEV_TX_BUSY; netif_wake_queue(ndev); @@ -876,7 +876,6 @@ temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) return NETDEV_TX_OK; } cur_p->phys = cpu_to_be32(skb_dma_addr); - ptr_to_txbd((void *)skb, cur_p); for (ii = 0; ii < num_frag; ii++) { if (++lp->tx_bd_tail >= lp->tx_bd_num) @@ -915,6 +914,11 @@ temac_start_xmit(struct sk_buff *skb, struct net_device *ndev) } cur_p->app0 |= cpu_to_be32(STS_CTRL_APP0_EOP); + /* Mark last fragment with skb address, so it can be consumed + * in temac_start_xmit_done() + */ + ptr_to_txbd((void *)skb, cur_p); + tail_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * lp->tx_bd_tail; lp->tx_bd_tail++; if (lp->tx_bd_tail >= lp->tx_bd_num) diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c index 17be2bb2985c..920e9f888cc3 100644 --- a/drivers/net/hamradio/mkiss.c +++ b/drivers/net/hamradio/mkiss.c @@ -799,6 +799,7 @@ static void mkiss_close(struct tty_struct *tty) ax->tty = NULL; unregister_netdev(ax->dev); + free_netdev(ax->dev); } /* Perform I/O control on an active ax25 channel. */ diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 757e950fb745..b848439fa837 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -608,7 +608,8 @@ void mdiobus_unregister(struct mii_bus *bus) struct mdio_device *mdiodev; int i; - BUG_ON(bus->state != MDIOBUS_REGISTERED); + if (WARN_ON_ONCE(bus->state != MDIOBUS_REGISTERED)) + return; bus->state = MDIOBUS_UNREGISTERED; for (i = 0; i < PHY_MAX_ADDR; i++) { diff --git a/drivers/net/usb/cdc_eem.c b/drivers/net/usb/cdc_eem.c index 0eeec80bec31..e4a570366646 100644 --- a/drivers/net/usb/cdc_eem.c +++ b/drivers/net/usb/cdc_eem.c @@ -123,10 +123,10 @@ static struct sk_buff *eem_tx_fixup(struct usbnet *dev, struct sk_buff *skb, } skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags); + dev_kfree_skb_any(skb); if (!skb2) return NULL; - dev_kfree_skb_any(skb); skb = skb2; done: diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c index 1d3bf810f2ca..04c4f1570bc8 100644 --- a/drivers/net/usb/cdc_ncm.c +++ b/drivers/net/usb/cdc_ncm.c @@ -1900,7 +1900,7 @@ static void cdc_ncm_status(struct usbnet *dev, struct urb *urb) static const struct driver_info cdc_ncm_info = { .description = "CDC NCM", .flags = FLAG_POINTTOPOINT | FLAG_NO_SETINT | FLAG_MULTI_PACKET - | FLAG_LINK_INTR, + | FLAG_LINK_INTR | FLAG_ETHER, .bind = cdc_ncm_bind, .unbind = cdc_ncm_unbind, .manage_power = usbnet_manage_power, diff --git a/drivers/net/usb/smsc75xx.c b/drivers/net/usb/smsc75xx.c index d44657b54d2b..378a12ae2d95 100644 --- a/drivers/net/usb/smsc75xx.c +++ b/drivers/net/usb/smsc75xx.c @@ -1483,7 +1483,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) ret = smsc75xx_wait_ready(dev, 0); if (ret < 0) { netdev_warn(dev->net, "device not ready in smsc75xx_bind\n"); - goto err; + goto free_pdata; } smsc75xx_init_mac_address(dev); @@ -1492,7 +1492,7 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) ret = smsc75xx_reset(dev); if (ret < 0) { netdev_warn(dev->net, "smsc75xx_reset error %d\n", ret); - goto err; + goto cancel_work; } dev->net->netdev_ops = &smsc75xx_netdev_ops; @@ -1503,8 +1503,11 @@ static int smsc75xx_bind(struct usbnet *dev, struct usb_interface *intf) dev->net->max_mtu = MAX_SINGLE_PACKET_SIZE; return 0; -err: +cancel_work: + cancel_work_sync(&pdata->set_multicast); +free_pdata: kfree(pdata); + dev->data[0] = 0; return ret; } @@ -1515,7 +1518,6 @@ static void smsc75xx_unbind(struct usbnet *dev, struct usb_interface *intf) cancel_work_sync(&pdata->set_multicast); netif_dbg(dev, ifdown, dev->net, "free pdata\n"); kfree(pdata); - pdata = NULL; dev->data[0] = 0; } } diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index b9b7e00b72a8..bc96ac0c5769 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1184,9 +1184,6 @@ static int vrf_dev_init(struct net_device *dev) dev->flags = IFF_MASTER | IFF_NOARP; - /* MTU is irrelevant for VRF device; set to 64k similar to lo */ - dev->mtu = 64 * 1024; - /* similarly, oper state is irrelevant; set to up to avoid confusion */ dev->operstate = IF_OPER_UP; netdev_lockdep_set_classes(dev); @@ -1620,7 +1617,8 @@ static void vrf_setup(struct net_device *dev) * which breaks networking. */ dev->min_mtu = IPV6_MIN_MTU; - dev->max_mtu = ETH_MAX_MTU; + dev->max_mtu = IP6_MAX_MTU; + dev->mtu = dev->max_mtu; } static int vrf_validate(struct nlattr *tb[], struct nlattr *data[], diff --git a/drivers/nvme/host/Kconfig b/drivers/nvme/host/Kconfig index a44d49d63968..494675aeaaad 100644 --- a/drivers/nvme/host/Kconfig +++ b/drivers/nvme/host/Kconfig @@ -71,7 +71,8 @@ config NVME_FC config NVME_TCP tristate "NVM Express over Fabrics TCP host driver" depends on INET - depends on BLK_DEV_NVME + depends on BLOCK + select NVME_CORE select NVME_FABRICS select CRYPTO select CRYPTO_CRC32C diff --git a/drivers/nvme/host/fabrics.c b/drivers/nvme/host/fabrics.c index 8575724734e0..7015fba2e512 100644 --- a/drivers/nvme/host/fabrics.c +++ b/drivers/nvme/host/fabrics.c @@ -336,6 +336,11 @@ static void nvmf_log_connect_error(struct nvme_ctrl *ctrl, cmd->connect.recfmt); break; + case NVME_SC_HOST_PATH_ERROR: + dev_err(ctrl->device, + "Connect command failed: host path error\n"); + break; + default: dev_err(ctrl->device, "Connect command failed, error wo/DNR bit: %d\n", diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 8b939e9db470..9a8fa2e582d5 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -379,10 +379,10 @@ static void nvmet_keep_alive_timer(struct work_struct *work) { struct nvmet_ctrl *ctrl = container_of(to_delayed_work(work), struct nvmet_ctrl, ka_work); - bool cmd_seen = ctrl->cmd_seen; + bool reset_tbkas = ctrl->reset_tbkas; - ctrl->cmd_seen = false; - if (cmd_seen) { + ctrl->reset_tbkas = false; + if (reset_tbkas) { pr_debug("ctrl %d reschedule traffic based keep-alive timer\n", ctrl->cntlid); schedule_delayed_work(&ctrl->ka_work, ctrl->kato * HZ); @@ -792,6 +792,13 @@ void nvmet_sq_destroy(struct nvmet_sq *sq) percpu_ref_exit(&sq->ref); if (ctrl) { + /* + * The teardown flow may take some time, and the host may not + * send us keep-alive during this period, hence reset the + * traffic based keep-alive timer so we don't trigger a + * controller teardown as a result of a keep-alive expiration. + */ + ctrl->reset_tbkas = true; nvmet_ctrl_put(ctrl); sq->ctrl = NULL; /* allows reusing the queue later */ } @@ -942,7 +949,7 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq, } if (sq->ctrl) - sq->ctrl->cmd_seen = true; + sq->ctrl->reset_tbkas = true; return true; diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index b869b686e962..16d71cc5a50e 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -251,7 +251,8 @@ static const struct blk_mq_ops nvme_loop_admin_mq_ops = { static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl) { - clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); + if (!test_and_clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags)) + return; nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); blk_cleanup_queue(ctrl->ctrl.admin_q); blk_cleanup_queue(ctrl->ctrl.fabrics_q); @@ -287,6 +288,7 @@ static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl) clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[i].flags); nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); } + ctrl->ctrl.queue_count = 1; } static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl) @@ -393,6 +395,7 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) return 0; out_cleanup_queue: + clear_bit(NVME_LOOP_Q_LIVE, &ctrl->queues[0].flags); blk_cleanup_queue(ctrl->ctrl.admin_q); out_cleanup_fabrics_q: blk_cleanup_queue(ctrl->ctrl.fabrics_q); @@ -450,8 +453,10 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work) nvme_loop_shutdown_ctrl(ctrl); if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING)) { - /* state change failure should never happen */ - WARN_ON_ONCE(1); + if (ctrl->ctrl.state != NVME_CTRL_DELETING && + ctrl->ctrl.state != NVME_CTRL_DELETING_NOIO) + /* state change failure for non-deleted ctrl? */ + WARN_ON_ONCE(1); return; } diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index ea96487b5424..4bf6d21290c2 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -166,7 +166,7 @@ struct nvmet_ctrl { struct nvmet_subsys *subsys; struct nvmet_sq **sqs; - bool cmd_seen; + bool reset_tbkas; struct mutex lock; u64 cap; diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c index 0be485a25327..41be72c74e3a 100644 --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -514,7 +514,7 @@ static int advk_pcie_wait_pio(struct advk_pcie *pcie) udelay(PIO_RETRY_DELAY); } - dev_err(dev, "config read/write timed out\n"); + dev_err(dev, "PIO read/write transfer time out\n"); return -ETIMEDOUT; } @@ -657,6 +657,35 @@ static bool advk_pcie_valid_device(struct advk_pcie *pcie, struct pci_bus *bus, return true; } +static bool advk_pcie_pio_is_running(struct advk_pcie *pcie) +{ + struct device *dev = &pcie->pdev->dev; + + /* + * Trying to start a new PIO transfer when previous has not completed + * cause External Abort on CPU which results in kernel panic: + * + * SError Interrupt on CPU0, code 0xbf000002 -- SError + * Kernel panic - not syncing: Asynchronous SError Interrupt + * + * Functions advk_pcie_rd_conf() and advk_pcie_wr_conf() are protected + * by raw_spin_lock_irqsave() at pci_lock_config() level to prevent + * concurrent calls at the same time. But because PIO transfer may take + * about 1.5s when link is down or card is disconnected, it means that + * advk_pcie_wait_pio() does not always have to wait for completion. + * + * Some versions of ARM Trusted Firmware handles this External Abort at + * EL3 level and mask it to prevent kernel panic. Relevant TF-A commit: + * https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/commit/?id=3c7dcdac5c50 + */ + if (advk_readl(pcie, PIO_START)) { + dev_err(dev, "Previous PIO read/write transfer is still running\n"); + return true; + } + + return false; +} + static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, int size, u32 *val) { @@ -673,9 +702,10 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, return pci_bridge_emul_conf_read(&pcie->bridge, where, size, val); - /* Start PIO */ - advk_writel(pcie, 0, PIO_START); - advk_writel(pcie, 1, PIO_ISR); + if (advk_pcie_pio_is_running(pcie)) { + *val = 0xffffffff; + return PCIBIOS_SET_FAILED; + } /* Program the control register */ reg = advk_readl(pcie, PIO_CTRL); @@ -694,7 +724,8 @@ static int advk_pcie_rd_conf(struct pci_bus *bus, u32 devfn, /* Program the data strobe */ advk_writel(pcie, 0xf, PIO_WR_DATA_STRB); - /* Start the transfer */ + /* Clear PIO DONE ISR and start the transfer */ + advk_writel(pcie, 1, PIO_ISR); advk_writel(pcie, 1, PIO_START); ret = advk_pcie_wait_pio(pcie); @@ -734,9 +765,8 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, if (where % size) return PCIBIOS_SET_FAILED; - /* Start PIO */ - advk_writel(pcie, 0, PIO_START); - advk_writel(pcie, 1, PIO_ISR); + if (advk_pcie_pio_is_running(pcie)) + return PCIBIOS_SET_FAILED; /* Program the control register */ reg = advk_readl(pcie, PIO_CTRL); @@ -763,7 +793,8 @@ static int advk_pcie_wr_conf(struct pci_bus *bus, u32 devfn, /* Program the data strobe */ advk_writel(pcie, data_strobe, PIO_WR_DATA_STRB); - /* Start the transfer */ + /* Clear PIO DONE ISR and start the transfer */ + advk_writel(pcie, 1, PIO_ISR); advk_writel(pcie, 1, PIO_START); ret = advk_pcie_wait_pio(pcie); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index b570f297e3ec..16fb3d7714d5 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3558,6 +3558,18 @@ static void quirk_no_bus_reset(struct pci_dev *dev) } /* + * Some NVIDIA GPU devices do not work with bus reset, SBR needs to be + * prevented for those affected devices. + */ +static void quirk_nvidia_no_bus_reset(struct pci_dev *dev) +{ + if ((dev->device & 0xffc0) == 0x2340) + quirk_no_bus_reset(dev); +} +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID, + quirk_nvidia_no_bus_reset); + +/* * Some Atheros AR9xxx and QCA988x chips do not behave after a bus reset. * The device will throw a Link Down error on AER-capable systems and * regardless of AER, config space of the device is never accessible again @@ -3577,6 +3589,16 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset); */ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_CAVIUM, 0xa100, quirk_no_bus_reset); +/* + * Some TI KeyStone C667X devices do not support bus/hot reset. The PCIESS + * automatically disables LTSSM when Secondary Bus Reset is received and + * the device stops working. Prevent bus reset for these devices. With + * this change, the device can be assigned to VMs with VFIO, but it will + * leak state between VMs. Reference + * https://e2e.ti.com/support/processors/f/791/t/954382 + */ +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_TI, 0xb005, quirk_no_bus_reset); + static void quirk_no_pm_reset(struct pci_dev *dev) { /* @@ -3912,6 +3934,69 @@ static int delay_250ms_after_flr(struct pci_dev *dev, int probe) return 0; } +#define PCI_DEVICE_ID_HINIC_VF 0x375E +#define HINIC_VF_FLR_TYPE 0x1000 +#define HINIC_VF_FLR_CAP_BIT (1UL << 30) +#define HINIC_VF_OP 0xE80 +#define HINIC_VF_FLR_PROC_BIT (1UL << 18) +#define HINIC_OPERATION_TIMEOUT 15000 /* 15 seconds */ + +/* Device-specific reset method for Huawei Intelligent NIC virtual functions */ +static int reset_hinic_vf_dev(struct pci_dev *pdev, int probe) +{ + unsigned long timeout; + void __iomem *bar; + u32 val; + + if (probe) + return 0; + + bar = pci_iomap(pdev, 0, 0); + if (!bar) + return -ENOTTY; + + /* Get and check firmware capabilities */ + val = ioread32be(bar + HINIC_VF_FLR_TYPE); + if (!(val & HINIC_VF_FLR_CAP_BIT)) { + pci_iounmap(pdev, bar); + return -ENOTTY; + } + + /* Set HINIC_VF_FLR_PROC_BIT for the start of FLR */ + val = ioread32be(bar + HINIC_VF_OP); + val = val | HINIC_VF_FLR_PROC_BIT; + iowrite32be(val, bar + HINIC_VF_OP); + + pcie_flr(pdev); + + /* + * The device must recapture its Bus and Device Numbers after FLR + * in order generate Completions. Issue a config write to let the + * device capture this information. + */ + pci_write_config_word(pdev, PCI_VENDOR_ID, 0); + + /* Firmware clears HINIC_VF_FLR_PROC_BIT when reset is complete */ + timeout = jiffies + msecs_to_jiffies(HINIC_OPERATION_TIMEOUT); + do { + val = ioread32be(bar + HINIC_VF_OP); + if (!(val & HINIC_VF_FLR_PROC_BIT)) + goto reset_complete; + msleep(20); + } while (time_before(jiffies, timeout)); + + val = ioread32be(bar + HINIC_VF_OP); + if (!(val & HINIC_VF_FLR_PROC_BIT)) + goto reset_complete; + + pci_warn(pdev, "Reset dev timeout, FLR ack reg: %#010x\n", val); + +reset_complete: + pci_iounmap(pdev, bar); + + return 0; +} + static const struct pci_dev_reset_methods pci_dev_reset_methods[] = { { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82599_SFP_VF, reset_intel_82599_sfp_virtfn }, @@ -3923,6 +4008,8 @@ static const struct pci_dev_reset_methods pci_dev_reset_methods[] = { { PCI_VENDOR_ID_INTEL, 0x0953, delay_250ms_after_flr }, { PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, reset_chelsio_generic_dev }, + { PCI_VENDOR_ID_HUAWEI, PCI_DEVICE_ID_HINIC_VF, + reset_hinic_vf_dev }, { 0 } }; @@ -4763,6 +4850,8 @@ static const struct pci_dev_acs_enabled { { PCI_VENDOR_ID_AMPERE, 0xE00A, pci_quirk_xgene_acs }, { PCI_VENDOR_ID_AMPERE, 0xE00B, pci_quirk_xgene_acs }, { PCI_VENDOR_ID_AMPERE, 0xE00C, pci_quirk_xgene_acs }, + /* Broadcom multi-function device */ + { PCI_VENDOR_ID_BROADCOM, 0x16D7, pci_quirk_mf_endpoint_acs }, { PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs }, /* Amazon Annapurna Labs */ { PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs }, diff --git a/drivers/phy/broadcom/phy-brcm-usb-init.h b/drivers/phy/broadcom/phy-brcm-usb-init.h index 899b9eb43fad..a39f30fa2e99 100644 --- a/drivers/phy/broadcom/phy-brcm-usb-init.h +++ b/drivers/phy/broadcom/phy-brcm-usb-init.h @@ -78,7 +78,7 @@ static inline u32 brcm_usb_readl(void __iomem *addr) * Other architectures (e.g., ARM) either do not support big endian, or * else leave I/O in little endian mode. */ - if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) return __raw_readl(addr); else return readl_relaxed(addr); @@ -87,7 +87,7 @@ static inline u32 brcm_usb_readl(void __iomem *addr) static inline void brcm_usb_writel(u32 val, void __iomem *addr) { /* See brcmnand_readl() comments */ - if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(__BIG_ENDIAN)) + if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) __raw_writel(val, addr); else writel_relaxed(val, addr); diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c index aaa0bbe473f7..7d990613ce83 100644 --- a/drivers/phy/cadence/phy-cadence-sierra.c +++ b/drivers/phy/cadence/phy-cadence-sierra.c @@ -614,6 +614,7 @@ static int cdns_sierra_phy_probe(struct platform_device *pdev) sp->nsubnodes = node; if (sp->num_lanes > SIERRA_MAX_LANES) { + ret = -EINVAL; dev_err(dev, "Invalid lane configuration\n"); goto put_child2; } diff --git a/drivers/phy/mediatek/phy-mtk-tphy.c b/drivers/phy/mediatek/phy-mtk-tphy.c index cdbcc49f7115..731c483a04de 100644 --- a/drivers/phy/mediatek/phy-mtk-tphy.c +++ b/drivers/phy/mediatek/phy-mtk-tphy.c @@ -949,6 +949,8 @@ static int mtk_phy_init(struct phy *phy) break; default: dev_err(tphy->dev, "incompatible PHY type\n"); + clk_disable_unprepare(instance->ref_clk); + clk_disable_unprepare(instance->da_ref_clk); return -EINVAL; } diff --git a/drivers/phy/ti/phy-j721e-wiz.c b/drivers/phy/ti/phy-j721e-wiz.c index e28e25f98708..dceac7714872 100644 --- a/drivers/phy/ti/phy-j721e-wiz.c +++ b/drivers/phy/ti/phy-j721e-wiz.c @@ -894,6 +894,7 @@ static int wiz_probe(struct platform_device *pdev) if (wiz->typec_dir_delay < WIZ_TYPEC_DIR_DEBOUNCE_MIN || wiz->typec_dir_delay > WIZ_TYPEC_DIR_DEBOUNCE_MAX) { + ret = -EINVAL; dev_err(dev, "Invalid typec-dir-debounce property\n"); goto err_addr_to_resource; } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 1c25af28a723..5c2f2e337b57 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -8806,6 +8806,7 @@ static const struct tpacpi_quirk fan_quirk_table[] __initconst = { TPACPI_Q_LNV3('N', '2', 'O', TPACPI_FAN_2CTL), /* P1 / X1 Extreme (2nd gen) */ TPACPI_Q_LNV3('N', '2', 'V', TPACPI_FAN_2CTL), /* P1 / X1 Extreme (3nd gen) */ TPACPI_Q_LNV3('N', '3', '0', TPACPI_FAN_2CTL), /* P15 (1st gen) / P15v (1st gen) */ + TPACPI_Q_LNV3('N', '3', '2', TPACPI_FAN_2CTL), /* X1 Carbon (9th gen) */ }; static int __init fan_init(struct ibm_init_struct *iibm) diff --git a/drivers/ptp/ptp_clock.c b/drivers/ptp/ptp_clock.c index 03a246e60fd9..21c4c34c52d8 100644 --- a/drivers/ptp/ptp_clock.c +++ b/drivers/ptp/ptp_clock.c @@ -63,7 +63,7 @@ static void enqueue_external_timestamp(struct timestamp_event_queue *queue, spin_unlock_irqrestore(&queue->lock, flags); } -s32 scaled_ppm_to_ppb(long ppm) +long scaled_ppm_to_ppb(long ppm) { /* * The 'freq' field in the 'struct timex' is in parts per @@ -80,7 +80,7 @@ s32 scaled_ppm_to_ppb(long ppm) s64 ppb = 1 + ppm; ppb *= 125; ppb >>= 13; - return (s32) ppb; + return (long) ppb; } EXPORT_SYMBOL(scaled_ppm_to_ppb); @@ -138,7 +138,7 @@ static int ptp_clock_adjtime(struct posix_clock *pc, struct __kernel_timex *tx) delta = ktime_to_ns(kt); err = ops->adjtime(ops, delta); } else if (tx->modes & ADJ_FREQUENCY) { - s32 ppb = scaled_ppm_to_ppb(tx->freq); + long ppb = scaled_ppm_to_ppb(tx->freq); if (ppb > ops->max_adj || ppb < -ops->max_adj) return -ERANGE; if (ops->adjfine) diff --git a/drivers/regulator/bd718x7-regulator.c b/drivers/regulator/bd718x7-regulator.c index 3333b8905f1b..2c097ee6cb02 100644 --- a/drivers/regulator/bd718x7-regulator.c +++ b/drivers/regulator/bd718x7-regulator.c @@ -364,7 +364,7 @@ BD718XX_OPS(bd71837_buck_regulator_ops, regulator_list_voltage_linear_range, NULL); BD718XX_OPS(bd71837_buck_regulator_nolinear_ops, regulator_list_voltage_table, - regulator_map_voltage_ascend, bd718xx_set_voltage_sel_restricted, + regulator_map_voltage_ascend, bd71837_set_voltage_sel_restricted, regulator_get_voltage_sel_regmap, regulator_set_voltage_time_sel, NULL); /* diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c index 7b3de8b0b1ca..043b5f63b94a 100644 --- a/drivers/regulator/core.c +++ b/drivers/regulator/core.c @@ -1422,6 +1422,12 @@ static int set_machine_constraints(struct regulator_dev *rdev) * and we have control then make sure it is enabled. */ if (rdev->constraints->always_on || rdev->constraints->boot_on) { + /* If we want to enable this regulator, make sure that we know + * the supplying regulator. + */ + if (rdev->supply_name && !rdev->supply) + return -EPROBE_DEFER; + if (rdev->supply) { ret = regulator_enable(rdev->supply); if (ret < 0) { diff --git a/drivers/regulator/cros-ec-regulator.c b/drivers/regulator/cros-ec-regulator.c index eb3fc1db4edc..c4754f3cf233 100644 --- a/drivers/regulator/cros-ec-regulator.c +++ b/drivers/regulator/cros-ec-regulator.c @@ -225,8 +225,9 @@ static int cros_ec_regulator_probe(struct platform_device *pdev) drvdata->dev = devm_regulator_register(dev, &drvdata->desc, &cfg); if (IS_ERR(drvdata->dev)) { + ret = PTR_ERR(drvdata->dev); dev_err(&pdev->dev, "Failed to register regulator: %d\n", ret); - return PTR_ERR(drvdata->dev); + return ret; } platform_set_drvdata(pdev, drvdata); diff --git a/drivers/regulator/fan53880.c b/drivers/regulator/fan53880.c index e83eb4fb1876..1684faf82ed2 100644 --- a/drivers/regulator/fan53880.c +++ b/drivers/regulator/fan53880.c @@ -51,6 +51,7 @@ static const struct regulator_ops fan53880_ops = { REGULATOR_LINEAR_RANGE(800000, 0xf, 0x73, 25000), \ }, \ .n_linear_ranges = 2, \ + .n_voltages = 0x74, \ .vsel_reg = FAN53880_LDO ## _num ## VOUT, \ .vsel_mask = 0x7f, \ .enable_reg = FAN53880_ENABLE, \ @@ -76,6 +77,7 @@ static const struct regulator_desc fan53880_regulators[] = { REGULATOR_LINEAR_RANGE(600000, 0x1f, 0xf7, 12500), }, .n_linear_ranges = 2, + .n_voltages = 0xf8, .vsel_reg = FAN53880_BUCKVOUT, .vsel_mask = 0x7f, .enable_reg = FAN53880_ENABLE, @@ -95,6 +97,7 @@ static const struct regulator_desc fan53880_regulators[] = { REGULATOR_LINEAR_RANGE(3000000, 0x4, 0x70, 25000), }, .n_linear_ranges = 2, + .n_voltages = 0x71, .vsel_reg = FAN53880_BOOSTVOUT, .vsel_mask = 0x7f, .enable_reg = FAN53880_ENABLE_BOOST, diff --git a/drivers/regulator/max77620-regulator.c b/drivers/regulator/max77620-regulator.c index 8d9731e4052b..5c439c850d09 100644 --- a/drivers/regulator/max77620-regulator.c +++ b/drivers/regulator/max77620-regulator.c @@ -814,6 +814,13 @@ static int max77620_regulator_probe(struct platform_device *pdev) config.dev = dev; config.driver_data = pmic; + /* + * Set of_node_reuse flag to prevent driver core from attempting to + * claim any pinmux resources already claimed by the parent device. + * Otherwise PMIC driver will fail to re-probe. + */ + device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent); + for (id = 0; id < MAX77620_NUM_REGS; id++) { struct regulator_dev *rdev; struct regulator_desc *rdesc; diff --git a/drivers/regulator/rt4801-regulator.c b/drivers/regulator/rt4801-regulator.c index 2055a9cb13ba..7a87788d3f09 100644 --- a/drivers/regulator/rt4801-regulator.c +++ b/drivers/regulator/rt4801-regulator.c @@ -66,7 +66,7 @@ static int rt4801_enable(struct regulator_dev *rdev) struct gpio_descs *gpios = priv->enable_gpios; int id = rdev_get_id(rdev), ret; - if (gpios->ndescs <= id) { + if (!gpios || gpios->ndescs <= id) { dev_warn(&rdev->dev, "no dedicated gpio can control\n"); goto bypass_gpio; } @@ -88,7 +88,7 @@ static int rt4801_disable(struct regulator_dev *rdev) struct gpio_descs *gpios = priv->enable_gpios; int id = rdev_get_id(rdev); - if (gpios->ndescs <= id) { + if (!gpios || gpios->ndescs <= id) { dev_warn(&rdev->dev, "no dedicated gpio can control\n"); goto bypass_gpio; } diff --git a/drivers/regulator/rtmv20-regulator.c b/drivers/regulator/rtmv20-regulator.c index 852fb2596ffd..4bca64de0f67 100644 --- a/drivers/regulator/rtmv20-regulator.c +++ b/drivers/regulator/rtmv20-regulator.c @@ -27,6 +27,7 @@ #define RTMV20_REG_LDIRQ 0x30 #define RTMV20_REG_LDSTAT 0x40 #define RTMV20_REG_LDMASK 0x50 +#define RTMV20_MAX_REGS (RTMV20_REG_LDMASK + 1) #define RTMV20_VID_MASK GENMASK(7, 4) #define RICHTEK_VID 0x80 @@ -103,9 +104,47 @@ static int rtmv20_lsw_disable(struct regulator_dev *rdev) return 0; } +static int rtmv20_lsw_set_current_limit(struct regulator_dev *rdev, int min_uA, + int max_uA) +{ + int sel; + + if (min_uA > RTMV20_LSW_MAXUA || max_uA < RTMV20_LSW_MINUA) + return -EINVAL; + + if (max_uA > RTMV20_LSW_MAXUA) + max_uA = RTMV20_LSW_MAXUA; + + sel = (max_uA - RTMV20_LSW_MINUA) / RTMV20_LSW_STEPUA; + + /* Ensure the selected setting is still in range */ + if ((sel * RTMV20_LSW_STEPUA + RTMV20_LSW_MINUA) < min_uA) + return -EINVAL; + + sel <<= ffs(rdev->desc->csel_mask) - 1; + + return regmap_update_bits(rdev->regmap, rdev->desc->csel_reg, + rdev->desc->csel_mask, sel); +} + +static int rtmv20_lsw_get_current_limit(struct regulator_dev *rdev) +{ + unsigned int val; + int ret; + + ret = regmap_read(rdev->regmap, rdev->desc->csel_reg, &val); + if (ret) + return ret; + + val &= rdev->desc->csel_mask; + val >>= ffs(rdev->desc->csel_mask) - 1; + + return val * RTMV20_LSW_STEPUA + RTMV20_LSW_MINUA; +} + static const struct regulator_ops rtmv20_regulator_ops = { - .set_current_limit = regulator_set_current_limit_regmap, - .get_current_limit = regulator_get_current_limit_regmap, + .set_current_limit = rtmv20_lsw_set_current_limit, + .get_current_limit = rtmv20_lsw_get_current_limit, .enable = rtmv20_lsw_enable, .disable = rtmv20_lsw_disable, .is_enabled = regulator_is_enabled_regmap, @@ -275,6 +314,7 @@ static const struct regmap_config rtmv20_regmap_config = { .val_bits = 8, .cache_type = REGCACHE_RBTREE, .max_register = RTMV20_REG_LDMASK, + .num_reg_defaults_raw = RTMV20_MAX_REGS, .writeable_reg = rtmv20_is_accessible_reg, .readable_reg = rtmv20_is_accessible_reg, diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c index 8c625b530035..9b61e9b131ad 100644 --- a/drivers/s390/cio/vfio_ccw_drv.c +++ b/drivers/s390/cio/vfio_ccw_drv.c @@ -86,6 +86,7 @@ static void vfio_ccw_sch_io_todo(struct work_struct *work) struct vfio_ccw_private *private; struct irb *irb; bool is_final; + bool cp_is_finished = false; private = container_of(work, struct vfio_ccw_private, io_work); irb = &private->irb; @@ -94,14 +95,21 @@ static void vfio_ccw_sch_io_todo(struct work_struct *work) (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT)); if (scsw_is_solicited(&irb->scsw)) { cp_update_scsw(&private->cp, &irb->scsw); - if (is_final && private->state == VFIO_CCW_STATE_CP_PENDING) + if (is_final && private->state == VFIO_CCW_STATE_CP_PENDING) { cp_free(&private->cp); + cp_is_finished = true; + } } mutex_lock(&private->io_mutex); memcpy(private->io_region->irb_area, irb, sizeof(*irb)); mutex_unlock(&private->io_mutex); - if (private->mdev && is_final) + /* + * Reset to IDLE only if processing of a channel program + * has finished. Do not overwrite a possible processing + * state if the final interrupt was for HSCH or CSCH. + */ + if (private->mdev && cp_is_finished) private->state = VFIO_CCW_STATE_IDLE; if (private->io_trigger) diff --git a/drivers/s390/cio/vfio_ccw_fsm.c b/drivers/s390/cio/vfio_ccw_fsm.c index 23e61aa638e4..e435a9cd92da 100644 --- a/drivers/s390/cio/vfio_ccw_fsm.c +++ b/drivers/s390/cio/vfio_ccw_fsm.c @@ -318,6 +318,7 @@ static void fsm_io_request(struct vfio_ccw_private *private, } err_out: + private->state = VFIO_CCW_STATE_IDLE; trace_vfio_ccw_fsm_io_request(scsw->cmd.fctl, schid, io_region->ret_code, errstr); } diff --git a/drivers/s390/cio/vfio_ccw_ops.c b/drivers/s390/cio/vfio_ccw_ops.c index 1ad5f7018ec2..2280f51dd679 100644 --- a/drivers/s390/cio/vfio_ccw_ops.c +++ b/drivers/s390/cio/vfio_ccw_ops.c @@ -276,8 +276,6 @@ static ssize_t vfio_ccw_mdev_write_io_region(struct vfio_ccw_private *private, } vfio_ccw_fsm_event(private, VFIO_CCW_EVENT_IO_REQ); - if (region->ret_code != 0) - private->state = VFIO_CCW_STATE_IDLE; ret = (region->ret_code != 0) ? region->ret_code : count; out_unlock: diff --git a/drivers/s390/crypto/ap_queue.c b/drivers/s390/crypto/ap_queue.c index ecefc25eff0c..337353c9655e 100644 --- a/drivers/s390/crypto/ap_queue.c +++ b/drivers/s390/crypto/ap_queue.c @@ -135,12 +135,13 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq) { struct ap_queue_status status; struct ap_message *ap_msg; + bool found = false; status = ap_dqap(aq->qid, &aq->reply->psmid, aq->reply->msg, aq->reply->len); switch (status.response_code) { case AP_RESPONSE_NORMAL: - aq->queue_count--; + aq->queue_count = max_t(int, 0, aq->queue_count - 1); if (aq->queue_count > 0) mod_timer(&aq->timeout, jiffies + aq->request_timeout); @@ -150,8 +151,14 @@ static struct ap_queue_status ap_sm_recv(struct ap_queue *aq) list_del_init(&ap_msg->list); aq->pendingq_count--; ap_msg->receive(aq, ap_msg, aq->reply); + found = true; break; } + if (!found) { + AP_DBF_WARN("%s unassociated reply psmid=0x%016llx on 0x%02x.%04x\n", + __func__, aq->reply->psmid, + AP_QID_CARD(aq->qid), AP_QID_QUEUE(aq->qid)); + } fallthrough; case AP_RESPONSE_NO_PENDING_REPLY: if (!status.queue_empty || aq->queue_count <= 0) @@ -232,7 +239,7 @@ static enum ap_sm_wait ap_sm_write(struct ap_queue *aq) ap_msg->flags & AP_MSG_FLAG_SPECIAL); switch (status.response_code) { case AP_RESPONSE_NORMAL: - aq->queue_count++; + aq->queue_count = max_t(int, 1, aq->queue_count + 1); if (aq->queue_count == 1) mod_timer(&aq->timeout, jiffies + aq->request_timeout); list_move_tail(&ap_msg->list, &aq->pendingq); diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 1a0dc18d6915..ed300a279a38 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1220,6 +1220,7 @@ int bnx2fc_eh_abort(struct scsi_cmnd *sc_cmd) was a result from the ABTS request rather than the CLEANUP request */ set_bit(BNX2FC_FLAG_IO_CLEANUP, &io_req->req_flags); + rc = FAILED; goto done; } diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c index 19170c7ac336..e9a82a390672 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c @@ -3359,14 +3359,14 @@ hisi_sas_v3_destroy_irqs(struct pci_dev *pdev, struct hisi_hba *hisi_hba) { int i; - free_irq(pci_irq_vector(pdev, 1), hisi_hba); - free_irq(pci_irq_vector(pdev, 2), hisi_hba); - free_irq(pci_irq_vector(pdev, 11), hisi_hba); + devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 1), hisi_hba); + devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 2), hisi_hba); + devm_free_irq(&pdev->dev, pci_irq_vector(pdev, 11), hisi_hba); for (i = 0; i < hisi_hba->cq_nvecs; i++) { struct hisi_sas_cq *cq = &hisi_hba->cq[i]; int nr = hisi_sas_intr_conv ? 16 : 16 + i; - free_irq(pci_irq_vector(pdev, nr), cq); + devm_free_irq(&pdev->dev, pci_irq_vector(pdev, nr), cq); } pci_free_irq_vectors(pdev); } diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c index 2f162603876f..b93dd8ef4ac8 100644 --- a/drivers/scsi/hosts.c +++ b/drivers/scsi/hosts.c @@ -254,12 +254,11 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, device_enable_async_suspend(&shost->shost_dev); + get_device(&shost->shost_gendev); error = device_add(&shost->shost_dev); if (error) goto out_del_gendev; - get_device(&shost->shost_gendev); - if (shost->transportt->host_size) { shost->shost_data = kzalloc(shost->transportt->host_size, GFP_KERNEL); @@ -278,33 +277,36 @@ int scsi_add_host_with_dma(struct Scsi_Host *shost, struct device *dev, if (!shost->work_q) { error = -EINVAL; - goto out_free_shost_data; + goto out_del_dev; } } error = scsi_sysfs_add_host(shost); if (error) - goto out_destroy_host; + goto out_del_dev; scsi_proc_host_add(shost); scsi_autopm_put_host(shost); return error; - out_destroy_host: - if (shost->work_q) - destroy_workqueue(shost->work_q); - out_free_shost_data: - kfree(shost->shost_data); + /* + * Any host allocation in this function will be freed in + * scsi_host_dev_release(). + */ out_del_dev: device_del(&shost->shost_dev); out_del_gendev: + /* + * Host state is SHOST_RUNNING so we have to explicitly release + * ->shost_dev. + */ + put_device(&shost->shost_dev); device_del(&shost->shost_gendev); out_disable_runtime_pm: device_disable_async_suspend(&shost->shost_gendev); pm_runtime_disable(&shost->shost_gendev); pm_runtime_set_suspended(&shost->shost_gendev); pm_runtime_put_noidle(&shost->shost_gendev); - scsi_mq_destroy_tags(shost); fail: return error; } @@ -345,7 +347,7 @@ static void scsi_host_dev_release(struct device *dev) ida_simple_remove(&host_index_ida, shost->host_no); - if (parent) + if (shost->shost_state != SHOST_CREATED) put_device(parent); kfree(shost); } @@ -392,8 +394,10 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) mutex_init(&shost->scan_mutex); index = ida_simple_get(&host_index_ida, 0, 0, GFP_KERNEL); - if (index < 0) - goto fail_kfree; + if (index < 0) { + kfree(shost); + return NULL; + } shost->host_no = index; shost->dma_channel = 0xff; @@ -486,7 +490,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) shost_printk(KERN_WARNING, shost, "error handler thread failed to spawn, error = %ld\n", PTR_ERR(shost->ehandler)); - goto fail_index_remove; + goto fail; } shost->tmf_work_q = alloc_workqueue("scsi_tmf_%d", @@ -495,17 +499,18 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize) if (!shost->tmf_work_q) { shost_printk(KERN_WARNING, shost, "failed to create tmf workq\n"); - goto fail_kthread; + goto fail; } scsi_proc_hostdir_add(shost->hostt); return shost; + fail: + /* + * Host state is still SHOST_CREATED and that is enough to release + * ->shost_gendev. scsi_host_dev_release() will free + * dev_name(&shost->shost_dev). + */ + put_device(&shost->shost_gendev); - fail_kthread: - kthread_stop(shost->ehandler); - fail_index_remove: - ida_simple_remove(&host_index_ida, shost->host_no); - fail_kfree: - kfree(shost); return NULL; } EXPORT_SYMBOL(scsi_host_alloc); diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index a464d0a4f465..846a02de4d51 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -1827,22 +1827,20 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); QEDF_WARN(&(base_qedf->dbg_ctx), "Failed to create vport, " "WWPN (0x%s) already exists.\n", buf); - goto err1; + return rc; } if (atomic_read(&base_qedf->link_state) != QEDF_LINK_UP) { QEDF_WARN(&(base_qedf->dbg_ctx), "Cannot create vport " "because link is not up.\n"); - rc = -EIO; - goto err1; + return -EIO; } vn_port = libfc_vport_create(vport, sizeof(struct qedf_ctx)); if (!vn_port) { QEDF_WARN(&(base_qedf->dbg_ctx), "Could not create lport " "for vport.\n"); - rc = -ENOMEM; - goto err1; + return -ENOMEM; } fcoe_wwn_to_str(vport->port_name, buf, sizeof(buf)); @@ -1866,7 +1864,7 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) if (rc) { QEDF_ERR(&(base_qedf->dbg_ctx), "Could not allocate memory " "for lport stats.\n"); - goto err2; + goto err; } fc_set_wwnn(vn_port, vport->node_name); @@ -1884,7 +1882,7 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) if (rc) { QEDF_WARN(&base_qedf->dbg_ctx, "Error adding Scsi_Host rc=0x%x.\n", rc); - goto err2; + goto err; } /* Set default dev_loss_tmo based on module parameter */ @@ -1925,9 +1923,10 @@ static int qedf_vport_create(struct fc_vport *vport, bool disabled) vport_qedf->dbg_ctx.host_no = vn_port->host->host_no; vport_qedf->dbg_ctx.pdev = base_qedf->pdev; -err2: + return 0; + +err: scsi_host_put(vn_port->host); -err1: return rc; } @@ -1968,8 +1967,7 @@ static int qedf_vport_destroy(struct fc_vport *vport) fc_lport_free_stats(vn_port); /* Release Scsi_Host */ - if (vn_port->host) - scsi_host_put(vn_port->host); + scsi_host_put(vn_port->host); out: return 0; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index dcae8f071c35..8d4976725a75 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1559,10 +1559,12 @@ void qlt_stop_phase2(struct qla_tgt *tgt) return; } + mutex_lock(&tgt->ha->optrom_mutex); mutex_lock(&vha->vha_tgt.tgt_mutex); tgt->tgt_stop = 0; tgt->tgt_stopped = 1; mutex_unlock(&vha->vha_tgt.tgt_mutex); + mutex_unlock(&tgt->ha->optrom_mutex); ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00c, "Stop of tgt %p finished\n", tgt); diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c index ba84244c1b4f..9a8f9f902f3b 100644 --- a/drivers/scsi/scsi_devinfo.c +++ b/drivers/scsi/scsi_devinfo.c @@ -184,6 +184,7 @@ static struct { {"HP", "C3323-300", "4269", BLIST_NOTQ}, {"HP", "C5713A", NULL, BLIST_NOREPORTLUN}, {"HP", "DISK-SUBSYSTEM", "*", BLIST_REPORTLUN2}, + {"HPE", "OPEN-", "*", BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES}, {"IBM", "AuSaV1S2", NULL, BLIST_FORCELUN}, {"IBM", "ProFibre 4000R", "*", BLIST_SPARSELUN | BLIST_LARGELUN}, {"IBM", "2105", NULL, BLIST_RETRY_HWERROR}, diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 081f54ab7d86..1421b1394d81 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -587,7 +587,13 @@ static void pvscsi_complete_request(struct pvscsi_adapter *adapter, case BTSTAT_SUCCESS: case BTSTAT_LINKED_COMMAND_COMPLETED: case BTSTAT_LINKED_COMMAND_COMPLETED_WITH_FLAG: - /* If everything went fine, let's move on.. */ + /* + * Commands like INQUIRY may transfer less data than + * requested by the initiator via bufflen. Set residual + * count to make upper layer aware of the actual amount + * of data returned. + */ + scsi_set_resid(cmd, scsi_bufflen(cmd) - e->dataLen); cmd->result = (DID_OK << 16); break; diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index 197485f2c2b2..29ee555a42f9 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -68,7 +68,7 @@ #define BCM2835_SPI_FIFO_SIZE 64 #define BCM2835_SPI_FIFO_SIZE_3_4 48 #define BCM2835_SPI_DMA_MIN_LENGTH 96 -#define BCM2835_SPI_NUM_CS 4 /* raise as necessary */ +#define BCM2835_SPI_NUM_CS 24 /* raise as necessary */ #define BCM2835_SPI_MODE_BITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \ | SPI_NO_CS | SPI_3WIRE) @@ -1195,6 +1195,12 @@ static int bcm2835_spi_setup(struct spi_device *spi) struct gpio_chip *chip; u32 cs; + if (spi->chip_select >= BCM2835_SPI_NUM_CS) { + dev_err(&spi->dev, "only %d chip-selects supported\n", + BCM2835_SPI_NUM_CS - 1); + return -EINVAL; + } + /* * Precalculate SPI slave's CS register value for ->prepare_message(): * The driver always uses software-controlled GPIO chip select, hence @@ -1288,7 +1294,7 @@ static int bcm2835_spi_probe(struct platform_device *pdev) ctlr->use_gpio_descriptors = true; ctlr->mode_bits = BCM2835_SPI_MODE_BITS; ctlr->bits_per_word_mask = SPI_BPW_MASK(8); - ctlr->num_chipselect = BCM2835_SPI_NUM_CS; + ctlr->num_chipselect = 3; ctlr->setup = bcm2835_spi_setup; ctlr->transfer_one = bcm2835_spi_transfer_one; ctlr->handle_err = bcm2835_spi_handle_err; diff --git a/drivers/spi/spi-bitbang.c b/drivers/spi/spi-bitbang.c index 1a7352abd878..3d8948a17095 100644 --- a/drivers/spi/spi-bitbang.c +++ b/drivers/spi/spi-bitbang.c @@ -181,6 +181,8 @@ int spi_bitbang_setup(struct spi_device *spi) { struct spi_bitbang_cs *cs = spi->controller_state; struct spi_bitbang *bitbang; + bool initial_setup = false; + int retval; bitbang = spi_master_get_devdata(spi->master); @@ -189,22 +191,30 @@ int spi_bitbang_setup(struct spi_device *spi) if (!cs) return -ENOMEM; spi->controller_state = cs; + initial_setup = true; } /* per-word shift register access, in hardware or bitbanging */ cs->txrx_word = bitbang->txrx_word[spi->mode & (SPI_CPOL|SPI_CPHA)]; - if (!cs->txrx_word) - return -EINVAL; + if (!cs->txrx_word) { + retval = -EINVAL; + goto err_free; + } if (bitbang->setup_transfer) { - int retval = bitbang->setup_transfer(spi, NULL); + retval = bitbang->setup_transfer(spi, NULL); if (retval < 0) - return retval; + goto err_free; } dev_dbg(&spi->dev, "%s, %u nsec/bit\n", __func__, 2 * cs->nsecs); return 0; + +err_free: + if (initial_setup) + kfree(cs); + return retval; } EXPORT_SYMBOL_GPL(spi_bitbang_setup); diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index d0e5aa18b7ba..bdf94cc7be1a 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -440,6 +440,7 @@ static int fsl_spi_setup(struct spi_device *spi) { struct mpc8xxx_spi *mpc8xxx_spi; struct fsl_spi_reg __iomem *reg_base; + bool initial_setup = false; int retval; u32 hw_mode; struct spi_mpc8xxx_cs *cs = spi_get_ctldata(spi); @@ -452,6 +453,7 @@ static int fsl_spi_setup(struct spi_device *spi) if (!cs) return -ENOMEM; spi_set_ctldata(spi, cs); + initial_setup = true; } mpc8xxx_spi = spi_master_get_devdata(spi->master); @@ -475,6 +477,8 @@ static int fsl_spi_setup(struct spi_device *spi) retval = fsl_spi_setup_transfer(spi, NULL); if (retval < 0) { cs->hw_mode = hw_mode; /* Restore settings */ + if (initial_setup) + kfree(cs); return retval; } diff --git a/drivers/spi/spi-omap-uwire.c b/drivers/spi/spi-omap-uwire.c index 71402f71ddd8..df28c6664aba 100644 --- a/drivers/spi/spi-omap-uwire.c +++ b/drivers/spi/spi-omap-uwire.c @@ -424,15 +424,22 @@ done: static int uwire_setup(struct spi_device *spi) { struct uwire_state *ust = spi->controller_state; + bool initial_setup = false; + int status; if (ust == NULL) { ust = kzalloc(sizeof(*ust), GFP_KERNEL); if (ust == NULL) return -ENOMEM; spi->controller_state = ust; + initial_setup = true; } - return uwire_setup_transfer(spi, NULL); + status = uwire_setup_transfer(spi, NULL); + if (status && initial_setup) + kfree(ust); + + return status; } static void uwire_cleanup(struct spi_device *spi) diff --git a/drivers/spi/spi-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c index d4c9510af393..3596bbe4b776 100644 --- a/drivers/spi/spi-omap2-mcspi.c +++ b/drivers/spi/spi-omap2-mcspi.c @@ -1032,8 +1032,22 @@ static void omap2_mcspi_release_dma(struct spi_master *master) } } +static void omap2_mcspi_cleanup(struct spi_device *spi) +{ + struct omap2_mcspi_cs *cs; + + if (spi->controller_state) { + /* Unlink controller state from context save list */ + cs = spi->controller_state; + list_del(&cs->node); + + kfree(cs); + } +} + static int omap2_mcspi_setup(struct spi_device *spi) { + bool initial_setup = false; int ret; struct omap2_mcspi *mcspi = spi_master_get_devdata(spi->master); struct omap2_mcspi_regs *ctx = &mcspi->ctx; @@ -1051,35 +1065,28 @@ static int omap2_mcspi_setup(struct spi_device *spi) spi->controller_state = cs; /* Link this to context save list */ list_add_tail(&cs->node, &ctx->cs); + initial_setup = true; } ret = pm_runtime_get_sync(mcspi->dev); if (ret < 0) { pm_runtime_put_noidle(mcspi->dev); + if (initial_setup) + omap2_mcspi_cleanup(spi); return ret; } ret = omap2_mcspi_setup_transfer(spi, NULL); + if (ret && initial_setup) + omap2_mcspi_cleanup(spi); + pm_runtime_mark_last_busy(mcspi->dev); pm_runtime_put_autosuspend(mcspi->dev); return ret; } -static void omap2_mcspi_cleanup(struct spi_device *spi) -{ - struct omap2_mcspi_cs *cs; - - if (spi->controller_state) { - /* Unlink controller state from context save list */ - cs = spi->controller_state; - list_del(&cs->node); - - kfree(cs); - } -} - static irqreturn_t omap2_mcspi_irq_handler(int irq, void *data) { struct omap2_mcspi *mcspi = data; diff --git a/drivers/spi/spi-pxa2xx.c b/drivers/spi/spi-pxa2xx.c index d6b534d38e5d..56a62095ec8c 100644 --- a/drivers/spi/spi-pxa2xx.c +++ b/drivers/spi/spi-pxa2xx.c @@ -1254,6 +1254,8 @@ static int setup_cs(struct spi_device *spi, struct chip_data *chip, chip->gpio_cs_inverted = spi->mode & SPI_CS_HIGH; err = gpiod_direction_output(gpiod, !chip->gpio_cs_inverted); + if (err) + gpiod_put(chip->gpiod_cs); } return err; @@ -1267,6 +1269,7 @@ static int setup(struct spi_device *spi) struct driver_data *drv_data = spi_controller_get_devdata(spi->controller); uint tx_thres, tx_hi_thres, rx_thres; + int err; switch (drv_data->ssp_type) { case QUARK_X1000_SSP: @@ -1413,7 +1416,11 @@ static int setup(struct spi_device *spi) if (drv_data->ssp_type == CE4100_SSP) return 0; - return setup_cs(spi, chip, chip_info); + err = setup_cs(spi, chip, chip_info); + if (err) + kfree(chip); + + return err; } static void cleanup(struct spi_device *spi) diff --git a/drivers/spi/spi-sprd.c b/drivers/spi/spi-sprd.c index b41a75749b49..28e70db9bbba 100644 --- a/drivers/spi/spi-sprd.c +++ b/drivers/spi/spi-sprd.c @@ -1068,6 +1068,7 @@ static const struct of_device_id sprd_spi_of_match[] = { { .compatible = "sprd,sc9860-spi", }, { /* sentinel */ } }; +MODULE_DEVICE_TABLE(of, sprd_spi_of_match); static struct platform_driver sprd_spi_driver = { .driver = { diff --git a/drivers/spi/spi-stm32-qspi.c b/drivers/spi/spi-stm32-qspi.c index 2786470a5201..4f24f6392212 100644 --- a/drivers/spi/spi-stm32-qspi.c +++ b/drivers/spi/spi-stm32-qspi.c @@ -293,7 +293,7 @@ static int stm32_qspi_wait_cmd(struct stm32_qspi *qspi, int err = 0; if (!op->data.nbytes) - return stm32_qspi_wait_nobusy(qspi); + goto wait_nobusy; if (readl_relaxed(qspi->io_base + QSPI_SR) & SR_TCF) goto out; @@ -314,6 +314,9 @@ static int stm32_qspi_wait_cmd(struct stm32_qspi *qspi, out: /* clear flags */ writel_relaxed(FCR_CTCF | FCR_CTEF, qspi->io_base + QSPI_FCR); +wait_nobusy: + if (!err) + err = stm32_qspi_wait_nobusy(qspi); return err; } diff --git a/drivers/spi/spi-zynq-qspi.c b/drivers/spi/spi-zynq-qspi.c index 5d8a5ee62fa2..68193db8b2e3 100644 --- a/drivers/spi/spi-zynq-qspi.c +++ b/drivers/spi/spi-zynq-qspi.c @@ -528,18 +528,17 @@ static int zynq_qspi_exec_mem_op(struct spi_mem *mem, struct zynq_qspi *xqspi = spi_controller_get_devdata(mem->spi->master); int err = 0, i; u8 *tmpbuf; - u8 opcode = op->cmd.opcode; dev_dbg(xqspi->dev, "cmd:%#x mode:%d.%d.%d.%d\n", - opcode, op->cmd.buswidth, op->addr.buswidth, + op->cmd.opcode, op->cmd.buswidth, op->addr.buswidth, op->dummy.buswidth, op->data.buswidth); zynq_qspi_chipselect(mem->spi, true); zynq_qspi_config_op(xqspi, mem->spi); - if (op->cmd.nbytes) { + if (op->cmd.opcode) { reinit_completion(&xqspi->data_completion); - xqspi->txbuf = &opcode; + xqspi->txbuf = (u8 *)&op->cmd.opcode; xqspi->rxbuf = NULL; xqspi->tx_bytes = op->cmd.nbytes; xqspi->rx_bytes = op->cmd.nbytes; @@ -679,14 +678,14 @@ static int zynq_qspi_probe(struct platform_device *pdev) xqspi->irq = platform_get_irq(pdev, 0); if (xqspi->irq <= 0) { ret = -ENXIO; - goto remove_master; + goto clk_dis_all; } ret = devm_request_irq(&pdev->dev, xqspi->irq, zynq_qspi_irq, 0, pdev->name, xqspi); if (ret != 0) { ret = -ENXIO; dev_err(&pdev->dev, "request_irq failed\n"); - goto remove_master; + goto clk_dis_all; } ret = of_property_read_u32(np, "num-cs", @@ -694,8 +693,9 @@ static int zynq_qspi_probe(struct platform_device *pdev) if (ret < 0) { ctlr->num_chipselect = 1; } else if (num_cs > ZYNQ_QSPI_MAX_NUM_CS) { + ret = -EINVAL; dev_err(&pdev->dev, "only 2 chip selects are available\n"); - goto remove_master; + goto clk_dis_all; } else { ctlr->num_chipselect = num_cs; } diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index a6f1e94af13c..0cf67de741e7 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -47,10 +47,6 @@ static void spidev_release(struct device *dev) { struct spi_device *spi = to_spi_device(dev); - /* spi controllers may cleanup for released devices */ - if (spi->controller->cleanup) - spi->controller->cleanup(spi); - spi_controller_put(spi->controller); kfree(spi->driver_override); kfree(spi); @@ -550,6 +546,12 @@ static int spi_dev_check(struct device *dev, void *data) return 0; } +static void spi_cleanup(struct spi_device *spi) +{ + if (spi->controller->cleanup) + spi->controller->cleanup(spi); +} + /** * spi_add_device - Add spi_device allocated with spi_alloc_device * @spi: spi_device to register @@ -614,11 +616,13 @@ int spi_add_device(struct spi_device *spi) /* Device may be bound to an active driver when this returns */ status = device_add(&spi->dev); - if (status < 0) + if (status < 0) { dev_err(dev, "can't add %s, status %d\n", dev_name(&spi->dev), status); - else + spi_cleanup(spi); + } else { dev_dbg(dev, "registered child %s\n", dev_name(&spi->dev)); + } done: mutex_unlock(&spi_add_lock); @@ -711,7 +715,9 @@ void spi_unregister_device(struct spi_device *spi) } if (ACPI_COMPANION(&spi->dev)) acpi_device_clear_enumerated(ACPI_COMPANION(&spi->dev)); - device_unregister(&spi->dev); + device_del(&spi->dev); + spi_cleanup(spi); + put_device(&spi->dev); } EXPORT_SYMBOL_GPL(spi_unregister_device); diff --git a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c index caaf9e34f1ee..09b0b8a16e99 100644 --- a/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c +++ b/drivers/staging/mt7621-pinctrl/pinctrl-rt2880.c @@ -127,7 +127,7 @@ static int rt2880_pmx_group_enable(struct pinctrl_dev *pctrldev, if (p->groups[group].enabled) { dev_err(p->dev, "%s is already enabled\n", p->groups[group].name); - return -EBUSY; + return 0; } p->groups[group].enabled = 1; diff --git a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c index ea3ae3d38337..b7993e25764d 100644 --- a/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c +++ b/drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c @@ -2384,7 +2384,7 @@ void rtw_cfg80211_indicate_sta_assoc(struct adapter *padapter, u8 *pmgmt_frame, DBG_871X(FUNC_ADPT_FMT"\n", FUNC_ADPT_ARG(padapter)); { - struct station_info sinfo; + struct station_info sinfo = {}; u8 ie_offset; if (GetFrameSubType(pmgmt_frame) == WIFI_ASSOCREQ) ie_offset = _ASOCREQ_IE_OFFSET_; diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 484f0ba0a65b..61b79804d462 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -3038,9 +3038,7 @@ __transport_wait_for_tasks(struct se_cmd *cmd, bool fabric_stop, __releases(&cmd->t_state_lock) __acquires(&cmd->t_state_lock) { - - assert_spin_locked(&cmd->t_state_lock); - WARN_ON_ONCE(!irqs_disabled()); + lockdep_assert_held(&cmd->t_state_lock); if (fabric_stop) cmd->transport_state |= CMD_T_FABRIC_STOP; diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 0aa85cc07ff1..c24c0e3440e3 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -3255,8 +3255,10 @@ static int __cdns3_gadget_init(struct cdns3 *cdns) pm_runtime_get_sync(cdns->dev); ret = cdns3_gadget_start(cdns); - if (ret) + if (ret) { + pm_runtime_put_sync(cdns->dev); return ret; + } /* * Because interrupt line can be shared with other components in diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 60ea932afe2b..5f35cdd2cf1d 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -2055,6 +2055,7 @@ static int udc_start(struct ci_hdrc *ci) ci->gadget.name = ci->platdata->name; ci->gadget.otg_caps = otg_caps; ci->gadget.sg_supported = 1; + ci->gadget.irq = ci->irq; if (ci->platdata->flags & CI_HDRC_REQUIRES_ALIGNED_DMA) ci->gadget.quirk_avoids_skb_reserve = 1; diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c index 6d8331e7da99..425b29168b4d 100644 --- a/drivers/usb/chipidea/usbmisc_imx.c +++ b/drivers/usb/chipidea/usbmisc_imx.c @@ -686,6 +686,16 @@ static int imx7d_charger_secondary_detection(struct imx_usbmisc_data *data) int val; unsigned long flags; + /* Clear VDATSRCENB0 to disable VDP_SRC and IDM_SNK required by BC 1.2 spec */ + spin_lock_irqsave(&usbmisc->lock, flags); + val = readl(usbmisc->base + MX7D_USB_OTG_PHY_CFG2); + val &= ~MX7D_USB_OTG_PHY_CFG2_CHRG_VDATSRCENB0; + writel(val, usbmisc->base + MX7D_USB_OTG_PHY_CFG2); + spin_unlock_irqrestore(&usbmisc->lock, flags); + + /* TVDMSRC_DIS */ + msleep(20); + /* VDM_SRC is connected to D- and IDP_SINK is connected to D+ */ spin_lock_irqsave(&usbmisc->lock, flags); val = readl(usbmisc->base + MX7D_USB_OTG_PHY_CFG2); @@ -695,7 +705,8 @@ static int imx7d_charger_secondary_detection(struct imx_usbmisc_data *data) usbmisc->base + MX7D_USB_OTG_PHY_CFG2); spin_unlock_irqrestore(&usbmisc->lock, flags); - usleep_range(1000, 2000); + /* TVDMSRC_ON */ + msleep(40); /* * Per BC 1.2, check voltage of D+: @@ -798,7 +809,8 @@ static int imx7d_charger_primary_detection(struct imx_usbmisc_data *data) usbmisc->base + MX7D_USB_OTG_PHY_CFG2); spin_unlock_irqrestore(&usbmisc->lock, flags); - usleep_range(1000, 2000); + /* TVDPSRC_ON */ + msleep(40); /* Check if D- is less than VDAT_REF to determine an SDP per BC 1.2 */ val = readl(usbmisc->base + MX7D_USB_OTG_PHY_STATUS); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 228e3d4e1a9f..357730e8f52f 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -40,6 +40,8 @@ #define USB_VENDOR_GENESYS_LOGIC 0x05e3 #define USB_VENDOR_SMSC 0x0424 #define USB_PRODUCT_USB5534B 0x5534 +#define USB_VENDOR_CYPRESS 0x04b4 +#define USB_PRODUCT_CY7C65632 0x6570 #define HUB_QUIRK_CHECK_PORT_AUTOSUSPEND 0x01 #define HUB_QUIRK_DISABLE_AUTOSUSPEND 0x02 @@ -5644,6 +5646,11 @@ static const struct usb_device_id hub_id_table[] = { .bInterfaceClass = USB_CLASS_HUB, .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND}, { .match_flags = USB_DEVICE_ID_MATCH_VENDOR + | USB_DEVICE_ID_MATCH_PRODUCT, + .idVendor = USB_VENDOR_CYPRESS, + .idProduct = USB_PRODUCT_CY7C65632, + .driver_info = HUB_QUIRK_DISABLE_AUTOSUSPEND}, + { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_CLASS, .idVendor = USB_VENDOR_GENESYS_LOGIC, .bInterfaceClass = USB_CLASS_HUB, diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index e07fd5ee8ed9..7537dd50ad53 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1642,8 +1642,8 @@ static int dwc3_remove(struct platform_device *pdev) pm_runtime_get_sync(&pdev->dev); - dwc3_debugfs_exit(dwc); dwc3_core_exit_mode(dwc); + dwc3_debugfs_exit(dwc); dwc3_core_exit(dwc); dwc3_ulpi_exit(dwc); diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 8ab394942360..74d9c2c38193 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -413,9 +413,12 @@ static inline const char *dwc3_gadget_generic_cmd_status_string(int status) #ifdef CONFIG_DEBUG_FS +extern void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep); extern void dwc3_debugfs_init(struct dwc3 *d); extern void dwc3_debugfs_exit(struct dwc3 *d); #else +static inline void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep) +{ } static inline void dwc3_debugfs_init(struct dwc3 *d) { } static inline void dwc3_debugfs_exit(struct dwc3 *d) diff --git a/drivers/usb/dwc3/debugfs.c b/drivers/usb/dwc3/debugfs.c index 5da4f6082d93..3ebe3e6c284d 100644 --- a/drivers/usb/dwc3/debugfs.c +++ b/drivers/usb/dwc3/debugfs.c @@ -890,30 +890,14 @@ static void dwc3_debugfs_create_endpoint_files(struct dwc3_ep *dep, } } -static void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep, - struct dentry *parent) +void dwc3_debugfs_create_endpoint_dir(struct dwc3_ep *dep) { struct dentry *dir; - dir = debugfs_create_dir(dep->name, parent); + dir = debugfs_create_dir(dep->name, dep->dwc->root); dwc3_debugfs_create_endpoint_files(dep, dir); } -static void dwc3_debugfs_create_endpoint_dirs(struct dwc3 *dwc, - struct dentry *parent) -{ - int i; - - for (i = 0; i < dwc->num_eps; i++) { - struct dwc3_ep *dep = dwc->eps[i]; - - if (!dep) - continue; - - dwc3_debugfs_create_endpoint_dir(dep, parent); - } -} - void dwc3_debugfs_init(struct dwc3 *dwc) { struct dentry *root; @@ -944,7 +928,6 @@ void dwc3_debugfs_init(struct dwc3 *dwc) &dwc3_testmode_fops); debugfs_create_file("link_state", 0644, root, dwc, &dwc3_link_state_fops); - dwc3_debugfs_create_endpoint_dirs(dwc, root); } } diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c index bdf1f98dfad8..ffe301d6ea35 100644 --- a/drivers/usb/dwc3/dwc3-meson-g12a.c +++ b/drivers/usb/dwc3/dwc3-meson-g12a.c @@ -651,7 +651,7 @@ static int dwc3_meson_g12a_setup_regmaps(struct dwc3_meson_g12a *priv, return PTR_ERR(priv->usb_glue_regmap); /* Create a regmap for each USB2 PHY control register set */ - for (i = 0; i < priv->usb2_ports; i++) { + for (i = 0; i < priv->drvdata->num_phys; i++) { struct regmap_config u2p_regmap_config = { .reg_bits = 8, .val_bits = 32, @@ -659,6 +659,9 @@ static int dwc3_meson_g12a_setup_regmaps(struct dwc3_meson_g12a *priv, .max_register = U2P_R1, }; + if (!strstr(priv->drvdata->phy_names[i], "usb2")) + continue; + u2p_regmap_config.name = devm_kasprintf(priv->dev, GFP_KERNEL, "u2p-%d", i); if (!u2p_regmap_config.name) @@ -772,13 +775,13 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev) ret = priv->drvdata->usb_init(priv); if (ret) - goto err_disable_clks; + goto err_disable_regulator; /* Init PHYs */ for (i = 0 ; i < PHY_COUNT ; ++i) { ret = phy_init(priv->phys[i]); if (ret) - goto err_disable_clks; + goto err_disable_regulator; } /* Set PHY Power */ @@ -816,6 +819,10 @@ err_phys_exit: for (i = 0 ; i < PHY_COUNT ; ++i) phy_exit(priv->phys[i]); +err_disable_regulator: + if (priv->vbus) + regulator_disable(priv->vbus); + err_disable_clks: clk_bulk_disable_unprepare(priv->drvdata->num_clks, priv->drvdata->clks); diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 8b668ef46f7f..3cd294264372 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -292,6 +292,9 @@ static struct dwc3_ep *dwc3_wIndex_to_dep(struct dwc3 *dwc, __le16 wIndex_le) epnum |= 1; dep = dwc->eps[epnum]; + if (dep == NULL) + return NULL; + if (dep->flags & DWC3_EP_ENABLED) return dep; diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index ead877e7c87f..14a7c05abfe8 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2143,13 +2143,10 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on) } /* - * Synchronize any pending event handling before executing the controller - * halt routine. + * Synchronize and disable any further event handling while controller + * is being enabled/disabled. */ - if (!is_on) { - dwc3_gadget_disable_irq(dwc); - synchronize_irq(dwc->irq_gadget); - } + disable_irq(dwc->irq_gadget); spin_lock_irqsave(&dwc->lock, flags); @@ -2187,6 +2184,8 @@ static int dwc3_gadget_pullup(struct usb_gadget *g, int is_on) ret = dwc3_gadget_run_stop(dwc, is_on, false); spin_unlock_irqrestore(&dwc->lock, flags); + enable_irq(dwc->irq_gadget); + pm_runtime_put(dwc->dev); return ret; @@ -2665,6 +2664,8 @@ static int dwc3_gadget_init_endpoint(struct dwc3 *dwc, u8 epnum) INIT_LIST_HEAD(&dep->started_list); INIT_LIST_HEAD(&dep->cancelled_list); + dwc3_debugfs_create_endpoint_dir(dep); + return 0; } @@ -2708,6 +2709,7 @@ static void dwc3_gadget_free_endpoints(struct dwc3 *dwc) list_del(&dep->endpoint.ep_list); } + debugfs_remove_recursive(debugfs_lookup(dep->name, dwc->root)); kfree(dep); } } @@ -3936,6 +3938,7 @@ err5: dwc3_gadget_free_endpoints(dwc); err4: usb_put_gadget(dwc->gadget); + dwc->gadget = NULL; err3: dma_free_coherent(dwc->sysdev, DWC3_BOUNCE_SIZE, dwc->bounce, dwc->bounce_addr); @@ -3955,6 +3958,9 @@ err0: void dwc3_gadget_exit(struct dwc3 *dwc) { + if (!dwc->gadget) + return; + usb_del_gadget(dwc->gadget); dwc3_gadget_free_endpoints(dwc); usb_put_gadget(dwc->gadget); diff --git a/drivers/usb/gadget/config.c b/drivers/usb/gadget/config.c index 8bb25773b61e..05507606b2b4 100644 --- a/drivers/usb/gadget/config.c +++ b/drivers/usb/gadget/config.c @@ -164,6 +164,14 @@ int usb_assign_descriptors(struct usb_function *f, { struct usb_gadget *g = f->config->cdev->gadget; + /* super-speed-plus descriptor falls back to super-speed one, + * if such a descriptor was provided, thus avoiding a NULL + * pointer dereference if a 5gbps capable gadget is used with + * a 10gbps capable config (device port + cable + host port) + */ + if (!ssp) + ssp = ss; + if (fs) { f->fs_descriptors = usb_copy_descriptors(fs); if (!f->fs_descriptors) diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c index 7f5cf488b2b1..ffe2486fce71 100644 --- a/drivers/usb/gadget/function/f_ecm.c +++ b/drivers/usb/gadget/function/f_ecm.c @@ -791,7 +791,7 @@ ecm_bind(struct usb_configuration *c, struct usb_function *f) fs_ecm_notify_desc.bEndpointAddress; status = usb_assign_descriptors(f, ecm_fs_function, ecm_hs_function, - ecm_ss_function, NULL); + ecm_ss_function, ecm_ss_function); if (status) goto fail; diff --git a/drivers/usb/gadget/function/f_eem.c b/drivers/usb/gadget/function/f_eem.c index cfcc4e81fb77..2cd9942707b4 100644 --- a/drivers/usb/gadget/function/f_eem.c +++ b/drivers/usb/gadget/function/f_eem.c @@ -302,7 +302,7 @@ static int eem_bind(struct usb_configuration *c, struct usb_function *f) eem_ss_out_desc.bEndpointAddress = eem_fs_out_desc.bEndpointAddress; status = usb_assign_descriptors(f, eem_fs_function, eem_hs_function, - eem_ss_function, NULL); + eem_ss_function, eem_ss_function); if (status) goto fail; @@ -495,7 +495,7 @@ static int eem_unwrap(struct gether *port, skb2 = skb_clone(skb, GFP_ATOMIC); if (unlikely(!skb2)) { DBG(cdev, "unable to unframe EEM packet\n"); - continue; + goto next; } skb_trim(skb2, len - ETH_FCS_LEN); @@ -505,7 +505,7 @@ static int eem_unwrap(struct gether *port, GFP_ATOMIC); if (unlikely(!skb3)) { dev_kfree_skb_any(skb2); - continue; + goto next; } dev_kfree_skb_any(skb2); skb_queue_tail(list, skb3); diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c index ffe67d836b0c..7df180b110af 100644 --- a/drivers/usb/gadget/function/f_fs.c +++ b/drivers/usb/gadget/function/f_fs.c @@ -3566,6 +3566,9 @@ static void ffs_func_unbind(struct usb_configuration *c, ffs->func = NULL; } + /* Drain any pending AIO completions */ + drain_workqueue(ffs->io_completion_wq); + if (!--opts->refcnt) functionfs_unbind(ffs); diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index e522c4828ee2..1341802f773e 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -804,7 +804,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f) hidg_fs_out_ep_desc.bEndpointAddress; status = usb_assign_descriptors(f, hidg_fs_descriptors, - hidg_hs_descriptors, hidg_ss_descriptors, NULL); + hidg_hs_descriptors, hidg_ss_descriptors, + hidg_ss_descriptors); if (status) goto fail; diff --git a/drivers/usb/gadget/function/f_loopback.c b/drivers/usb/gadget/function/f_loopback.c index 1803646b3678..90215a81c178 100644 --- a/drivers/usb/gadget/function/f_loopback.c +++ b/drivers/usb/gadget/function/f_loopback.c @@ -207,7 +207,7 @@ autoconf_fail: ss_loop_sink_desc.bEndpointAddress = fs_loop_sink_desc.bEndpointAddress; ret = usb_assign_descriptors(f, fs_loopback_descs, hs_loopback_descs, - ss_loopback_descs, NULL); + ss_loopback_descs, ss_loopback_descs); if (ret) return ret; diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 019bea8e09cc..855127249f24 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -583,7 +583,7 @@ static void ncm_do_notify(struct f_ncm *ncm) data[0] = cpu_to_le32(ncm_bitrate(cdev->gadget)); data[1] = data[0]; - DBG(cdev, "notify speed %d\n", ncm_bitrate(cdev->gadget)); + DBG(cdev, "notify speed %u\n", ncm_bitrate(cdev->gadget)); ncm->notify_state = NCM_NOTIFY_CONNECT; break; } @@ -1101,11 +1101,11 @@ static struct sk_buff *ncm_wrap_ntb(struct gether *port, ncm->ndp_dgram_count = 1; /* Note: we skip opts->next_ndp_index */ - } - /* Delay the timer. */ - hrtimer_start(&ncm->task_timer, TX_TIMEOUT_NSECS, - HRTIMER_MODE_REL_SOFT); + /* Start the timer. */ + hrtimer_start(&ncm->task_timer, TX_TIMEOUT_NSECS, + HRTIMER_MODE_REL_SOFT); + } /* Add the datagram position entries */ ntb_ndp = skb_put_zero(ncm->skb_tx_ndp, dgram_idx_len); diff --git a/drivers/usb/gadget/function/f_printer.c b/drivers/usb/gadget/function/f_printer.c index 2f1eb2e81d30..236ecc968998 100644 --- a/drivers/usb/gadget/function/f_printer.c +++ b/drivers/usb/gadget/function/f_printer.c @@ -1099,7 +1099,8 @@ autoconf_fail: ss_ep_out_desc.bEndpointAddress = fs_ep_out_desc.bEndpointAddress; ret = usb_assign_descriptors(f, fs_printer_function, - hs_printer_function, ss_printer_function, NULL); + hs_printer_function, ss_printer_function, + ss_printer_function); if (ret) return ret; diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c index 0739b05a0ef7..ee95e8f5f9d4 100644 --- a/drivers/usb/gadget/function/f_rndis.c +++ b/drivers/usb/gadget/function/f_rndis.c @@ -789,7 +789,7 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f) ss_notify_desc.bEndpointAddress = fs_notify_desc.bEndpointAddress; status = usb_assign_descriptors(f, eth_fs_function, eth_hs_function, - eth_ss_function, NULL); + eth_ss_function, eth_ss_function); if (status) goto fail; diff --git a/drivers/usb/gadget/function/f_serial.c b/drivers/usb/gadget/function/f_serial.c index e62713846350..1ed8ff0ac2d3 100644 --- a/drivers/usb/gadget/function/f_serial.c +++ b/drivers/usb/gadget/function/f_serial.c @@ -233,7 +233,7 @@ static int gser_bind(struct usb_configuration *c, struct usb_function *f) gser_ss_out_desc.bEndpointAddress = gser_fs_out_desc.bEndpointAddress; status = usb_assign_descriptors(f, gser_fs_function, gser_hs_function, - gser_ss_function, NULL); + gser_ss_function, gser_ss_function); if (status) goto fail; dev_dbg(&cdev->gadget->dev, "generic ttyGS%d: %s speed IN/%s OUT/%s\n", diff --git a/drivers/usb/gadget/function/f_sourcesink.c b/drivers/usb/gadget/function/f_sourcesink.c index ed68a4860b7d..282737e4609c 100644 --- a/drivers/usb/gadget/function/f_sourcesink.c +++ b/drivers/usb/gadget/function/f_sourcesink.c @@ -431,7 +431,8 @@ no_iso: ss_iso_sink_desc.bEndpointAddress = fs_iso_sink_desc.bEndpointAddress; ret = usb_assign_descriptors(f, fs_source_sink_descs, - hs_source_sink_descs, ss_source_sink_descs, NULL); + hs_source_sink_descs, ss_source_sink_descs, + ss_source_sink_descs); if (ret) return ret; diff --git a/drivers/usb/gadget/function/f_subset.c b/drivers/usb/gadget/function/f_subset.c index 4d945254905d..51c1cae162d9 100644 --- a/drivers/usb/gadget/function/f_subset.c +++ b/drivers/usb/gadget/function/f_subset.c @@ -358,7 +358,7 @@ geth_bind(struct usb_configuration *c, struct usb_function *f) fs_subset_out_desc.bEndpointAddress; status = usb_assign_descriptors(f, fs_eth_function, hs_eth_function, - ss_eth_function, NULL); + ss_eth_function, ss_eth_function); if (status) goto fail; diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index 410fa89eae8f..5a2e9ce2bc35 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -2061,7 +2061,8 @@ static int tcm_bind(struct usb_configuration *c, struct usb_function *f) uasp_fs_cmd_desc.bEndpointAddress = uasp_ss_cmd_desc.bEndpointAddress; ret = usb_assign_descriptors(f, uasp_fs_function_desc, - uasp_hs_function_desc, uasp_ss_function_desc, NULL); + uasp_hs_function_desc, uasp_ss_function_desc, + uasp_ss_function_desc); if (ret) goto ep_fail; diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 8f09a387b773..4c8f0112481f 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2009,9 +2009,8 @@ static void musb_pm_runtime_check_session(struct musb *musb) schedule_delayed_work(&musb->irq_work, msecs_to_jiffies(1000)); musb->quirk_retries--; - break; } - fallthrough; + break; case MUSB_QUIRK_B_INVALID_VBUS_91: if (musb->quirk_retries && !musb->flush_irq_work) { musb_dbg(musb, diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c index b5f4e584f3c9..28a728f883bc 100644 --- a/drivers/usb/serial/cp210x.c +++ b/drivers/usb/serial/cp210x.c @@ -533,6 +533,12 @@ struct cp210x_single_port_config { #define CP210X_2NCONFIG_GPIO_RSTLATCH_IDX 587 #define CP210X_2NCONFIG_GPIO_CONTROL_IDX 600 +/* CP2102N QFN20 port configuration values */ +#define CP2102N_QFN20_GPIO2_TXLED_MODE BIT(2) +#define CP2102N_QFN20_GPIO3_RXLED_MODE BIT(3) +#define CP2102N_QFN20_GPIO1_RS485_MODE BIT(4) +#define CP2102N_QFN20_GPIO0_CLK_MODE BIT(6) + /* CP210X_VENDOR_SPECIFIC, CP210X_WRITE_LATCH call writes these 0x2 bytes. */ struct cp210x_gpio_write { u8 mask; @@ -1884,7 +1890,19 @@ static int cp2102n_gpioconf_init(struct usb_serial *serial) priv->gpio_pushpull = (gpio_pushpull >> 3) & 0x0f; /* 0 indicates GPIO mode, 1 is alternate function */ - priv->gpio_altfunc = (gpio_ctrl >> 2) & 0x0f; + if (priv->partnum == CP210X_PARTNUM_CP2102N_QFN20) { + /* QFN20 is special... */ + if (gpio_ctrl & CP2102N_QFN20_GPIO0_CLK_MODE) /* GPIO 0 */ + priv->gpio_altfunc |= BIT(0); + if (gpio_ctrl & CP2102N_QFN20_GPIO1_RS485_MODE) /* GPIO 1 */ + priv->gpio_altfunc |= BIT(1); + if (gpio_ctrl & CP2102N_QFN20_GPIO2_TXLED_MODE) /* GPIO 2 */ + priv->gpio_altfunc |= BIT(2); + if (gpio_ctrl & CP2102N_QFN20_GPIO3_RXLED_MODE) /* GPIO 3 */ + priv->gpio_altfunc |= BIT(3); + } else { + priv->gpio_altfunc = (gpio_ctrl >> 2) & 0x0f; + } if (priv->partnum == CP210X_PARTNUM_CP2102N_QFN28) { /* diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 7c64b6ee5c19..1aef9b1e1c4e 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -611,6 +611,7 @@ static const struct usb_device_id id_table_combined[] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONLX_PLUS_PID) }, { USB_DEVICE(FTDI_VID, FTDI_NT_ORION_IO_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NT_ORIONMX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SYNAPSE_SS200_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CUSTOMWARE_MINIPLEX2_PID) }, diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index d854e04a4286..add602bebd82 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -581,6 +581,7 @@ #define FTDI_NT_ORIONLXM_PID 0x7c90 /* OrionLXm Substation Automation Platform */ #define FTDI_NT_ORIONLX_PLUS_PID 0x7c91 /* OrionLX+ Substation Automation Platform */ #define FTDI_NT_ORION_IO_PID 0x7c92 /* Orion I/O */ +#define FTDI_NT_ORIONMX_PID 0x7c93 /* OrionMX */ /* * Synapse Wireless product ids (FTDI_VID) diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c index 5b6e982a9376..ff02eff70416 100644 --- a/drivers/usb/serial/omninet.c +++ b/drivers/usb/serial/omninet.c @@ -26,6 +26,7 @@ #define ZYXEL_VENDOR_ID 0x0586 #define ZYXEL_OMNINET_ID 0x1000 +#define ZYXEL_OMNI_56K_PLUS_ID 0x1500 /* This one seems to be a re-branded ZyXEL device */ #define BT_IGNITIONPRO_ID 0x2000 @@ -40,6 +41,7 @@ static int omninet_port_remove(struct usb_serial_port *port); static const struct usb_device_id id_table[] = { { USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNINET_ID) }, + { USB_DEVICE(ZYXEL_VENDOR_ID, ZYXEL_OMNI_56K_PLUS_ID) }, { USB_DEVICE(ZYXEL_VENDOR_ID, BT_IGNITIONPRO_ID) }, { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/quatech2.c b/drivers/usb/serial/quatech2.c index 872d1bc86ab4..a2c3c0944f99 100644 --- a/drivers/usb/serial/quatech2.c +++ b/drivers/usb/serial/quatech2.c @@ -416,7 +416,7 @@ static void qt2_close(struct usb_serial_port *port) /* flush the port transmit buffer */ i = usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), + usb_sndctrlpipe(serial->dev, 0), QT2_FLUSH_DEVICE, 0x40, 1, port_priv->device_port, NULL, 0, QT2_USB_TIMEOUT); @@ -426,7 +426,7 @@ static void qt2_close(struct usb_serial_port *port) /* flush the port receive buffer */ i = usb_control_msg(serial->dev, - usb_rcvctrlpipe(serial->dev, 0), + usb_sndctrlpipe(serial->dev, 0), QT2_FLUSH_DEVICE, 0x40, 0, port_priv->device_port, NULL, 0, QT2_USB_TIMEOUT); @@ -654,7 +654,7 @@ static int qt2_attach(struct usb_serial *serial) int status; /* power on unit */ - status = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0), + status = usb_control_msg(serial->dev, usb_sndctrlpipe(serial->dev, 0), 0xc2, 0x40, 0x8000, 0, NULL, 0, QT2_USB_TIMEOUT); if (status < 0) { diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c index 42acdc8b684f..b9035c3407b5 100644 --- a/drivers/usb/typec/mux.c +++ b/drivers/usb/typec/mux.c @@ -239,7 +239,7 @@ find_mux: dev = class_find_device(&typec_mux_class, NULL, fwnode, mux_fwnode_match); - return dev ? to_typec_switch(dev) : ERR_PTR(-EPROBE_DEFER); + return dev ? to_typec_mux(dev) : ERR_PTR(-EPROBE_DEFER); } /** diff --git a/drivers/usb/typec/mux/intel_pmc_mux.c b/drivers/usb/typec/mux/intel_pmc_mux.c index 17896bd87fc3..acdef6fbb85e 100644 --- a/drivers/usb/typec/mux/intel_pmc_mux.c +++ b/drivers/usb/typec/mux/intel_pmc_mux.c @@ -573,6 +573,11 @@ static int pmc_usb_probe_iom(struct pmc_usb *pmc) return -ENOMEM; } + if (IS_ERR(pmc->iom_base)) { + put_device(&adev->dev); + return PTR_ERR(pmc->iom_base); + } + pmc->iom_adev = adev; return 0; @@ -623,8 +628,10 @@ static int pmc_usb_probe(struct platform_device *pdev) break; ret = pmc_usb_register_port(pmc, i, fwnode); - if (ret) + if (ret) { + fwnode_handle_put(fwnode); goto err_remove_ports; + } } platform_set_drvdata(pdev, pmc); diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index bdbd346dc59f..61929d37d7fc 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -5187,6 +5187,10 @@ void tcpm_unregister_port(struct tcpm_port *port) { int i; + hrtimer_cancel(&port->enable_frs_timer); + hrtimer_cancel(&port->vdm_state_machine_timer); + hrtimer_cancel(&port->state_machine_timer); + tcpm_reset_port(port); for (i = 0; i < ARRAY_SIZE(port->port_altmode); i++) typec_unregister_altmode(port->port_altmode[i]); diff --git a/drivers/usb/typec/tcpm/wcove.c b/drivers/usb/typec/tcpm/wcove.c index 9b745f432c91..7e9c279bf49d 100644 --- a/drivers/usb/typec/tcpm/wcove.c +++ b/drivers/usb/typec/tcpm/wcove.c @@ -377,7 +377,7 @@ static int wcove_pd_transmit(struct tcpc_dev *tcpc, const u8 *data = (void *)msg; int i; - for (i = 0; i < pd_header_cnt(msg->header) * 4 + 2; i++) { + for (i = 0; i < pd_header_cnt_le(msg->header) * 4 + 2; i++) { ret = regmap_write(wcove->regmap, USBC_TX_DATA + i, data[i]); if (ret) diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index b4615bb5daab..310b5caeb05a 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -1118,6 +1118,7 @@ err_unregister: } err_reset: + memset(&ucsi->cap, 0, sizeof(ucsi->cap)); ucsi_reset_ppm(ucsi); err: return ret; diff --git a/fs/afs/main.c b/fs/afs/main.c index b2975256dadb..179004b15566 100644 --- a/fs/afs/main.c +++ b/fs/afs/main.c @@ -203,8 +203,8 @@ static int __init afs_init(void) goto error_fs; afs_proc_symlink = proc_symlink("fs/afs", NULL, "../self/net/afs"); - if (IS_ERR(afs_proc_symlink)) { - ret = PTR_ERR(afs_proc_symlink); + if (!afs_proc_symlink) { + ret = -ENOMEM; goto error_proc; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 56f3b9acd215..e025cd8f3f07 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2467,6 +2467,24 @@ static int validate_super(struct btrfs_fs_info *fs_info, ret = -EINVAL; } + if (memcmp(fs_info->fs_devices->fsid, fs_info->super_copy->fsid, + BTRFS_FSID_SIZE)) { + btrfs_err(fs_info, + "superblock fsid doesn't match fsid of fs_devices: %pU != %pU", + fs_info->super_copy->fsid, fs_info->fs_devices->fsid); + ret = -EINVAL; + } + + if (btrfs_fs_incompat(fs_info, METADATA_UUID) && + memcmp(fs_info->fs_devices->metadata_uuid, + fs_info->super_copy->metadata_uuid, BTRFS_FSID_SIZE)) { + btrfs_err(fs_info, +"superblock metadata_uuid doesn't match metadata uuid of fs_devices: %pU != %pU", + fs_info->super_copy->metadata_uuid, + fs_info->fs_devices->metadata_uuid); + ret = -EINVAL; + } + if (memcmp(fs_info->fs_devices->metadata_uuid, sb->dev_item.fsid, BTRFS_FSID_SIZE) != 0) { btrfs_err(fs_info, @@ -2969,14 +2987,6 @@ int __cold open_ctree(struct super_block *sb, struct btrfs_fs_devices *fs_device disk_super = fs_info->super_copy; - ASSERT(!memcmp(fs_info->fs_devices->fsid, fs_info->super_copy->fsid, - BTRFS_FSID_SIZE)); - - if (btrfs_fs_incompat(fs_info, METADATA_UUID)) { - ASSERT(!memcmp(fs_info->fs_devices->metadata_uuid, - fs_info->super_copy->metadata_uuid, - BTRFS_FSID_SIZE)); - } features = btrfs_super_flags(disk_super); if (features & BTRFS_SUPER_FLAG_CHANGING_FSID_V2) { diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 7e87549c5eda..ffa48ac98d1e 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1088,7 +1088,7 @@ int btrfs_mark_extent_written(struct btrfs_trans_handle *trans, int del_nr = 0; int del_slot = 0; int recow; - int ret; + int ret = 0; u64 ino = btrfs_ino(inode); path = btrfs_alloc_path(); @@ -1309,7 +1309,7 @@ again: } out: btrfs_free_path(path); - return 0; + return ret; } /* diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index b39b339feddc..16fb0184ce5e 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -938,8 +938,11 @@ static ssize_t gfs2_file_write_iter(struct kiocb *iocb, struct iov_iter *from) current->backing_dev_info = inode_to_bdi(inode); buffered = iomap_file_buffered_write(iocb, from, &gfs2_iomap_ops); current->backing_dev_info = NULL; - if (unlikely(buffered <= 0)) + if (unlikely(buffered <= 0)) { + if (!ret) + ret = buffered; goto out_unlock; + } /* * We need to ensure that the page cache pages are written to diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c index ea2f2de44806..cd43c481df4b 100644 --- a/fs/gfs2/glock.c +++ b/fs/gfs2/glock.c @@ -569,6 +569,16 @@ out_locked: spin_unlock(&gl->gl_lockref.lock); } +static bool is_system_glock(struct gfs2_glock *gl) +{ + struct gfs2_sbd *sdp = gl->gl_name.ln_sbd; + struct gfs2_inode *m_ip = GFS2_I(sdp->sd_statfs_inode); + + if (gl == m_ip->i_gl) + return true; + return false; +} + /** * do_xmote - Calls the DLM to change the state of a lock * @gl: The lock state @@ -658,17 +668,25 @@ skip_inval: * to see sd_log_error and withdraw, and in the meantime, requeue the * work for later. * + * We make a special exception for some system glocks, such as the + * system statfs inode glock, which needs to be granted before the + * gfs2_quotad daemon can exit, and that exit needs to finish before + * we can unmount the withdrawn file system. + * * However, if we're just unlocking the lock (say, for unmount, when * gfs2_gl_hash_clear calls clear_glock) and recovery is complete * then it's okay to tell dlm to unlock it. */ if (unlikely(sdp->sd_log_error && !gfs2_withdrawn(sdp))) gfs2_withdraw_delayed(sdp); - if (glock_blocked_by_withdraw(gl)) { - if (target != LM_ST_UNLOCKED || - test_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags)) { + if (glock_blocked_by_withdraw(gl) && + (target != LM_ST_UNLOCKED || + test_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags))) { + if (!is_system_glock(gl)) { gfs2_glock_queue_work(gl, GL_GLOCK_DFT_HOLD); goto out; + } else { + clear_bit(GLF_INVALIDATE_IN_PROGRESS, &gl->gl_flags); } } @@ -1766,6 +1784,7 @@ __acquires(&lru_lock) while(!list_empty(list)) { gl = list_first_entry(list, struct gfs2_glock, gl_lru); list_del_init(&gl->gl_lru); + clear_bit(GLF_LRU, &gl->gl_flags); if (!spin_trylock(&gl->gl_lockref.lock)) { add_back_to_lru: list_add(&gl->gl_lru, &lru_list); @@ -1811,7 +1830,6 @@ static long gfs2_scan_glock_lru(int nr) if (!test_bit(GLF_LOCK, &gl->gl_flags)) { list_move(&gl->gl_lru, &dispose); atomic_dec(&lru_count); - clear_bit(GLF_LRU, &gl->gl_flags); freed++; continue; } diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 4b8cc93913f7..723d425796cc 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -406,7 +406,7 @@ struct nfs_client *nfs_get_client(const struct nfs_client_initdata *cl_init) if (cl_init->hostname == NULL) { WARN_ON(1); - return NULL; + return ERR_PTR(-EINVAL); } /* see if the client already exists */ diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 065cb04222a1..543d916f79ab 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -205,6 +205,7 @@ struct nfs4_exception { struct inode *inode; nfs4_stateid *stateid; long timeout; + unsigned char task_is_privileged : 1; unsigned char delay : 1, recovering : 1, retry : 1; diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index be7915c861ce..7491323a5820 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -435,8 +435,8 @@ struct nfs_client *nfs4_init_client(struct nfs_client *clp, */ nfs_mark_client_ready(clp, -EPERM); } - nfs_put_client(clp); clear_bit(NFS_CS_TSM_POSSIBLE, &clp->cl_flags); + nfs_put_client(clp); return old; error: diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index c92d6ff0fcea..5365000e83bd 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -592,6 +592,8 @@ int nfs4_handle_exception(struct nfs_server *server, int errorcode, struct nfs4_ goto out_retry; } if (exception->recovering) { + if (exception->task_is_privileged) + return -EDEADLOCK; ret = nfs4_wait_clnt_recover(clp); if (test_bit(NFS_MIG_FAILED, &server->mig_status)) return -EIO; @@ -617,6 +619,8 @@ nfs4_async_handle_exception(struct rpc_task *task, struct nfs_server *server, goto out_retry; } if (exception->recovering) { + if (exception->task_is_privileged) + return -EDEADLOCK; rpc_sleep_on(&clp->cl_rpcwaitq, task, NULL); if (test_bit(NFS4CLNT_MANAGER_RUNNING, &clp->cl_state) == 0) rpc_wake_up_queued_task(&clp->cl_rpcwaitq, task); @@ -5942,6 +5946,14 @@ static int nfs4_proc_set_acl(struct inode *inode, const void *buf, size_t buflen do { err = __nfs4_proc_set_acl(inode, buf, buflen); trace_nfs4_set_acl(inode, err); + if (err == -NFS4ERR_BADOWNER || err == -NFS4ERR_BADNAME) { + /* + * no need to retry since the kernel + * isn't involved in encoding the ACEs. + */ + err = -EINVAL; + break; + } err = nfs4_handle_exception(NFS_SERVER(inode), err, &exception); } while (exception.retry); @@ -6383,6 +6395,7 @@ static void nfs4_delegreturn_done(struct rpc_task *task, void *calldata) struct nfs4_exception exception = { .inode = data->inode, .stateid = &data->stateid, + .task_is_privileged = data->args.seq_args.sa_privileged, }; if (!nfs4_sequence_done(task, &data->res.seq_res)) @@ -6506,7 +6519,6 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, data = kzalloc(sizeof(*data), GFP_NOFS); if (data == NULL) return -ENOMEM; - nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1, 0); nfs4_state_protect(server->nfs_client, NFS_SP4_MACH_CRED_CLEANUP, @@ -6537,6 +6549,12 @@ static int _nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, } } + if (!data->inode) + nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1, + 1); + else + nfs4_init_sequence(&data->args.seq_args, &data->res.seq_res, 1, + 0); task_setup_data.callback_data = data; msg.rpc_argp = &data->args; msg.rpc_resp = &data->res; @@ -9619,15 +9637,20 @@ int nfs4_proc_layoutreturn(struct nfs4_layoutreturn *lrp, bool sync) &task_setup_data.rpc_client, &msg); dprintk("--> %s\n", __func__); + lrp->inode = nfs_igrab_and_active(lrp->args.inode); if (!sync) { - lrp->inode = nfs_igrab_and_active(lrp->args.inode); if (!lrp->inode) { nfs4_layoutreturn_release(lrp); return -EAGAIN; } task_setup_data.flags |= RPC_TASK_ASYNC; } - nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1, 0); + if (!lrp->inode) + nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1, + 1); + else + nfs4_init_sequence(&lrp->args.seq_args, &lrp->res.seq_res, 1, + 0); task = rpc_run_task(&task_setup_data); if (IS_ERR(task)) return PTR_ERR(task); diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index dcab112e1f00..086b6bacbad1 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -378,7 +378,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group, info_type, fanotify_info_name(info), info->name_len, buf, count); if (ret < 0) - return ret; + goto out_close_fd; buf += ret; count -= ret; @@ -426,7 +426,7 @@ static ssize_t copy_event_to_user(struct fsnotify_group *group, fanotify_event_object_fh(event), info_type, dot, dot_len, buf, count); if (ret < 0) - return ret; + goto out_close_fd; buf += ret; count -= ret; diff --git a/fs/proc/base.c b/fs/proc/base.c index 297ea12b3cfd..df9b17dd92cb 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -2675,6 +2675,13 @@ out: } #ifdef CONFIG_SECURITY +static int proc_pid_attr_open(struct inode *inode, struct file *file) +{ + file->private_data = NULL; + __mem_open(inode, file, PTRACE_MODE_READ_FSCREDS); + return 0; +} + static ssize_t proc_pid_attr_read(struct file * file, char __user * buf, size_t count, loff_t *ppos) { @@ -2705,7 +2712,7 @@ static ssize_t proc_pid_attr_write(struct file * file, const char __user * buf, int rv; /* A task may only write when it was the opener. */ - if (file->f_cred != current_real_cred()) + if (file->private_data != current->mm) return -EPERM; rcu_read_lock(); @@ -2755,9 +2762,11 @@ out: } static const struct file_operations proc_pid_attr_operations = { + .open = proc_pid_attr_open, .read = proc_pid_attr_read, .write = proc_pid_attr_write, .llseek = generic_file_llseek, + .release = mem_release, }; #define LSM_DIR_OPS(LSM) \ diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index d7efbc5490e8..18468b46c450 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -971,6 +971,7 @@ #ifdef CONFIG_AMD_MEM_ENCRYPT #define PERCPU_DECRYPTED_SECTION \ . = ALIGN(PAGE_SIZE); \ + *(.data..decrypted) \ *(.data..percpu..decrypted) \ . = ALIGN(PAGE_SIZE); #else diff --git a/include/linux/hid.h b/include/linux/hid.h index 8578db50ad73..6ed2a97eb55f 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -1156,8 +1156,7 @@ static inline void hid_hw_wait(struct hid_device *hdev) */ static inline u32 hid_report_len(struct hid_report *report) { - /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */ - return ((report->size - 1) >> 3) + 1 + (report->id > 0); + return DIV_ROUND_UP(report->size, 8) + (report->id > 0); } int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, diff --git a/include/linux/host1x.h b/include/linux/host1x.h index 9eb77c87a83b..ed0005ce4285 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -320,12 +320,30 @@ static inline struct host1x_device *to_host1x_device(struct device *dev) int host1x_device_init(struct host1x_device *device); int host1x_device_exit(struct host1x_device *device); -int __host1x_client_register(struct host1x_client *client, - struct lock_class_key *key); -#define host1x_client_register(class) \ - ({ \ - static struct lock_class_key __key; \ - __host1x_client_register(class, &__key); \ +void __host1x_client_init(struct host1x_client *client, struct lock_class_key *key); +void host1x_client_exit(struct host1x_client *client); + +#define host1x_client_init(client) \ + ({ \ + static struct lock_class_key __key; \ + __host1x_client_init(client, &__key); \ + }) + +int __host1x_client_register(struct host1x_client *client); + +/* + * Note that this wrapper calls __host1x_client_init() for compatibility + * with existing callers. Callers that want to separately initialize and + * register a host1x client must first initialize using either of the + * __host1x_client_init() or host1x_client_init() functions and then use + * the low-level __host1x_client_register() function to avoid the client + * getting reinitialized. + */ +#define host1x_client_register(client) \ + ({ \ + static struct lock_class_key __key; \ + __host1x_client_init(client, &__key); \ + __host1x_client_register(client); \ }) int host1x_client_unregister(struct host1x_client *client); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index a2278b9ff57d..c66c702a4f07 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1104,7 +1104,15 @@ __gfn_to_memslot(struct kvm_memslots *slots, gfn_t gfn) static inline unsigned long __gfn_to_hva_memslot(struct kvm_memory_slot *slot, gfn_t gfn) { - return slot->userspace_addr + (gfn - slot->base_gfn) * PAGE_SIZE; + /* + * The index was checked originally in search_memslots. To avoid + * that a malicious guest builds a Spectre gadget out of e.g. page + * table walks, do not let the processor speculate loads outside + * the guest's registered memslots. + */ + unsigned long offset = gfn - slot->base_gfn; + offset = array_index_nospec(offset, slot->npages); + return slot->userspace_addr + offset * PAGE_SIZE; } static inline int memslot_id(struct kvm *kvm, gfn_t gfn) diff --git a/include/linux/mfd/rohm-bd70528.h b/include/linux/mfd/rohm-bd70528.h index a57af878fd0c..4a5966475a35 100644 --- a/include/linux/mfd/rohm-bd70528.h +++ b/include/linux/mfd/rohm-bd70528.h @@ -26,9 +26,7 @@ struct bd70528_data { struct mutex rtc_timer_lock; }; -#define BD70528_BUCK_VOLTS 17 -#define BD70528_BUCK_VOLTS 17 -#define BD70528_BUCK_VOLTS 17 +#define BD70528_BUCK_VOLTS 0x10 #define BD70528_LDO_VOLTS 0x20 #define BD70528_REG_BUCK1_EN 0x0F diff --git a/include/linux/mfd/rohm-bd71828.h b/include/linux/mfd/rohm-bd71828.h index 017a4c01cb31..61f0974c33d7 100644 --- a/include/linux/mfd/rohm-bd71828.h +++ b/include/linux/mfd/rohm-bd71828.h @@ -26,11 +26,11 @@ enum { BD71828_REGULATOR_AMOUNT, }; -#define BD71828_BUCK1267_VOLTS 0xEF -#define BD71828_BUCK3_VOLTS 0x10 -#define BD71828_BUCK4_VOLTS 0x20 -#define BD71828_BUCK5_VOLTS 0x10 -#define BD71828_LDO_VOLTS 0x32 +#define BD71828_BUCK1267_VOLTS 0x100 +#define BD71828_BUCK3_VOLTS 0x20 +#define BD71828_BUCK4_VOLTS 0x40 +#define BD71828_BUCK5_VOLTS 0x20 +#define BD71828_LDO_VOLTS 0x40 /* LDO6 is fixed 1.8V voltage */ #define BD71828_LDO_6_VOLTAGE 1800000 diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 06e066e04a4b..eb8169c03d89 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -631,6 +631,7 @@ struct mlx4_caps { bool wol_port[MLX4_MAX_PORTS + 1]; struct mlx4_rate_limit_caps rl_caps; u32 health_buffer_addrs; + bool map_clock_to_user; }; struct mlx4_buf_list { diff --git a/include/linux/mlx5/transobj.h b/include/linux/mlx5/transobj.h index 028f442530cf..60ffeb6b67ae 100644 --- a/include/linux/mlx5/transobj.h +++ b/include/linux/mlx5/transobj.h @@ -85,4 +85,5 @@ mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev, struct mlx5_hairpin_params *params); void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair); +void mlx5_core_hairpin_clear_dead_peer(struct mlx5_hairpin *hp); #endif /* __TRANSOBJ_H__ */ diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index a4fff7d7abe5..4eb38918da8f 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -448,13 +448,6 @@ struct mm_struct { */ atomic_t has_pinned; - /** - * @write_protect_seq: Locked when any thread is write - * protecting pages mapped by this mm to enforce a later COW, - * for instance during page table copying for fork(). - */ - seqcount_t write_protect_seq; - #ifdef CONFIG_MMU atomic_long_t pgtables_bytes; /* PTE page table pages */ #endif @@ -463,6 +456,18 @@ struct mm_struct { spinlock_t page_table_lock; /* Protects page tables and some * counters */ + /* + * With some kernel config, the current mmap_lock's offset + * inside 'mm_struct' is at 0x120, which is very optimal, as + * its two hot fields 'count' and 'owner' sit in 2 different + * cachelines, and when mmap_lock is highly contended, both + * of the 2 fields will be accessed frequently, current layout + * will help to reduce cache bouncing. + * + * So please be careful with adding new fields before + * mmap_lock, which can easily push the 2 fields into one + * cacheline. + */ struct rw_semaphore mmap_lock; struct list_head mmlist; /* List of maybe swapped mm's. These @@ -483,7 +488,15 @@ struct mm_struct { unsigned long stack_vm; /* VM_STACK */ unsigned long def_flags; + /** + * @write_protect_seq: Locked when any thread is write + * protecting pages mapped by this mm to enforce a later COW, + * for instance during page table copying for fork(). + */ + seqcount_t write_protect_seq; + spinlock_t arg_lock; /* protect the below fields */ + unsigned long start_code, end_code, start_data, end_data; unsigned long start_brk, brk, start_stack; unsigned long arg_start, arg_end, env_start, env_end; diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index d3e8ba5c7125..6d6b42143eff 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -222,7 +222,7 @@ extern int ptp_clock_index(struct ptp_clock *ptp); * @ppm: Parts per million, but with a 16 bit binary fractional field */ -extern s32 scaled_ppm_to_ppb(long ppm); +extern long scaled_ppm_to_ppb(long ppm); /** * ptp_find_pin() - obtain the pin index of a given auxiliary function diff --git a/include/linux/sched.h b/include/linux/sched.h index 76cd21fa5501..2660ee4b08ad 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -348,11 +348,19 @@ struct load_weight { * Only for tasks we track a moving average of the past instantaneous * estimated utilization. This allows to absorb sporadic drops in utilization * of an otherwise almost periodic task. + * + * The UTIL_AVG_UNCHANGED flag is used to synchronize util_est with util_avg + * updates. When a task is dequeued, its util_est should not be updated if its + * util_avg has not been updated in the meantime. + * This information is mapped into the MSB bit of util_est.enqueued at dequeue + * time. Since max value of util_est.enqueued for a task is 1024 (PELT util_avg + * for a task) it is safe to use MSB. */ struct util_est { unsigned int enqueued; unsigned int ewma; #define UTIL_EST_WEIGHT_SHIFT 2 +#define UTIL_AVG_UNCHANGED 0x80000000 } __attribute__((__aligned__(sizeof(u64)))); /* diff --git a/include/linux/socket.h b/include/linux/socket.h index e9cb30d8cbfb..9aa530d497da 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -437,6 +437,4 @@ extern int __sys_getpeername(int fd, struct sockaddr __user *usockaddr, extern int __sys_socketpair(int family, int type, int protocol, int __user *usockvec); extern int __sys_shutdown(int fd, int how); - -extern struct ns_common *get_net_ns(struct ns_common *ns); #endif /* _LINUX_SOCKET_H */ diff --git a/include/linux/swapops.h b/include/linux/swapops.h index d9b7c9132c2f..6430a94c6981 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -23,6 +23,16 @@ #define SWP_TYPE_SHIFT (BITS_PER_XA_VALUE - MAX_SWAPFILES_SHIFT) #define SWP_OFFSET_MASK ((1UL << SWP_TYPE_SHIFT) - 1) +/* Clear all flags but only keep swp_entry_t related information */ +static inline pte_t pte_swp_clear_flags(pte_t pte) +{ + if (pte_swp_soft_dirty(pte)) + pte = pte_swp_clear_soft_dirty(pte); + if (pte_swp_uffd_wp(pte)) + pte = pte_swp_clear_uffd_wp(pte); + return pte; +} + /* * Store a type+offset into a swp_entry_t in an arch-independent format */ @@ -66,10 +76,7 @@ static inline swp_entry_t pte_to_swp_entry(pte_t pte) { swp_entry_t arch_entry; - if (pte_swp_soft_dirty(pte)) - pte = pte_swp_clear_soft_dirty(pte); - if (pte_swp_uffd_wp(pte)) - pte = pte_swp_clear_uffd_wp(pte); + pte = pte_swp_clear_flags(pte); arch_entry = __pte_to_swp_entry(pte); return swp_entry(__swp_type(arch_entry), __swp_offset(arch_entry)); } diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h index 3a805e2ecbc9..433040ff840a 100644 --- a/include/linux/usb/pd.h +++ b/include/linux/usb/pd.h @@ -459,7 +459,7 @@ static inline unsigned int rdo_max_power(u32 rdo) #define PD_T_RECEIVER_RESPONSE 15 /* 15ms max */ #define PD_T_SOURCE_ACTIVITY 45 #define PD_T_SINK_ACTIVITY 135 -#define PD_T_SINK_WAIT_CAP 240 +#define PD_T_SINK_WAIT_CAP 310 /* 310 - 620 ms */ #define PD_T_PS_TRANSITION 500 #define PD_T_SRC_TRANSITION 35 #define PD_T_DRP_SNK 40 diff --git a/include/net/mac80211.h b/include/net/mac80211.h index dcdba96814a2..6ff49c13717b 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -6335,7 +6335,12 @@ bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw, /** * ieee80211_parse_tx_radiotap - Sanity-check and parse the radiotap header - * of injected frames + * of injected frames. + * + * To accurately parse and take into account rate and retransmission fields, + * you must initialize the chandef field in the ieee80211_tx_info structure + * of the skb before calling this function. + * * @skb: packet injected by userspace * @dev: the &struct device of this 802.11 device */ diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h index 22bc07f4b043..eb0e7731f3b1 100644 --- a/include/net/net_namespace.h +++ b/include/net/net_namespace.h @@ -203,6 +203,8 @@ struct net *copy_net_ns(unsigned long flags, struct user_namespace *user_ns, void net_ns_get_ownership(const struct net *net, kuid_t *uid, kgid_t *gid); void net_ns_barrier(void); + +struct ns_common *get_net_ns(struct ns_common *ns); #else /* CONFIG_NET_NS */ #include <linux/sched.h> #include <linux/nsproxy.h> @@ -222,6 +224,11 @@ static inline void net_ns_get_ownership(const struct net *net, } static inline void net_ns_barrier(void) {} + +static inline struct ns_common *get_net_ns(struct ns_common *ns) +{ + return ERR_PTR(-EINVAL); +} #endif /* CONFIG_NET_NS */ diff --git a/include/uapi/linux/in.h b/include/uapi/linux/in.h index 7d6687618d80..d1b327036ae4 100644 --- a/include/uapi/linux/in.h +++ b/include/uapi/linux/in.h @@ -289,6 +289,9 @@ struct sockaddr_in { /* Address indicating an error return. */ #define INADDR_NONE ((unsigned long int) 0xffffffff) +/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */ +#define INADDR_DUMMY ((unsigned long int) 0xc0000008) + /* Network number for local host loopback. */ #define IN_LOOPBACKNET 127 diff --git a/include/uapi/linux/input-event-codes.h b/include/uapi/linux/input-event-codes.h index ee93428ced9a..225ec87d4f22 100644 --- a/include/uapi/linux/input-event-codes.h +++ b/include/uapi/linux/input-event-codes.h @@ -611,6 +611,7 @@ #define KEY_VOICECOMMAND 0x246 /* Listening Voice Command */ #define KEY_ASSISTANT 0x247 /* AL Context-aware desktop assistant */ #define KEY_KBD_LAYOUT_NEXT 0x248 /* AC Next Keyboard Layout Select */ +#define KEY_EMOJI_PICKER 0x249 /* Show/hide emoji picker (HUTRR101) */ #define KEY_BRIGHTNESS_MIN 0x250 /* Set Brightness to Minimum */ #define KEY_BRIGHTNESS_MAX 0x251 /* Set Brightness to Maximum */ diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index ed7d02e8bc93..aaf2fbaa0cc7 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -4960,6 +4960,12 @@ int btf_distill_func_proto(struct bpf_verifier_log *log, m->ret_size = ret; for (i = 0; i < nargs; i++) { + if (i == nargs - 1 && args[i].type == 0) { + bpf_log(log, + "The function %s with variable args is unsupported.\n", + tname); + return -EINVAL; + } ret = __get_type_size(btf, args[i].type, &t); if (ret < 0) { bpf_log(log, @@ -4967,6 +4973,12 @@ int btf_distill_func_proto(struct bpf_verifier_log *log, tname, i, btf_kind_str[BTF_INFO_KIND(t->info)]); return -EINVAL; } + if (ret == 0) { + bpf_log(log, + "The function %s has malformed void argument.\n", + tname); + return -EINVAL; + } m->arg_size[i] = ret; } m->nr_args = nargs; diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 4f50d6f128be..e97724e36dfb 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -5740,6 +5740,27 @@ struct bpf_sanitize_info { bool mask_to_left; }; +static struct bpf_verifier_state * +sanitize_speculative_path(struct bpf_verifier_env *env, + const struct bpf_insn *insn, + u32 next_idx, u32 curr_idx) +{ + struct bpf_verifier_state *branch; + struct bpf_reg_state *regs; + + branch = push_stack(env, next_idx, curr_idx, true); + if (branch && insn) { + regs = branch->frame[branch->curframe]->regs; + if (BPF_SRC(insn->code) == BPF_K) { + mark_reg_unknown(env, regs, insn->dst_reg); + } else if (BPF_SRC(insn->code) == BPF_X) { + mark_reg_unknown(env, regs, insn->dst_reg); + mark_reg_unknown(env, regs, insn->src_reg); + } + } + return branch; +} + static int sanitize_ptr_alu(struct bpf_verifier_env *env, struct bpf_insn *insn, const struct bpf_reg_state *ptr_reg, @@ -5823,12 +5844,26 @@ do_sim: tmp = *dst_reg; *dst_reg = *ptr_reg; } - ret = push_stack(env, env->insn_idx + 1, env->insn_idx, true); + ret = sanitize_speculative_path(env, NULL, env->insn_idx + 1, + env->insn_idx); if (!ptr_is_dst_reg && ret) *dst_reg = tmp; return !ret ? REASON_STACK : 0; } +static void sanitize_mark_insn_seen(struct bpf_verifier_env *env) +{ + struct bpf_verifier_state *vstate = env->cur_state; + + /* If we simulate paths under speculation, we don't update the + * insn as 'seen' such that when we verify unreachable paths in + * the non-speculative domain, sanitize_dead_code() can still + * rewrite/sanitize them. + */ + if (!vstate->speculative) + env->insn_aux_data[env->insn_idx].seen = env->pass_cnt; +} + static int sanitize_err(struct bpf_verifier_env *env, const struct bpf_insn *insn, int reason, const struct bpf_reg_state *off_reg, @@ -7974,14 +8009,28 @@ static int check_cond_jmp_op(struct bpf_verifier_env *env, if (err) return err; } + if (pred == 1) { - /* only follow the goto, ignore fall-through */ + /* Only follow the goto, ignore fall-through. If needed, push + * the fall-through branch for simulation under speculative + * execution. + */ + if (!env->bypass_spec_v1 && + !sanitize_speculative_path(env, insn, *insn_idx + 1, + *insn_idx)) + return -EFAULT; *insn_idx += insn->off; return 0; } else if (pred == 0) { - /* only follow fall-through branch, since - * that's where the program will go + /* Only follow the fall-through branch, since that's where the + * program will go. If needed, push the goto branch for + * simulation under speculative execution. */ + if (!env->bypass_spec_v1 && + !sanitize_speculative_path(env, insn, + *insn_idx + insn->off + 1, + *insn_idx)) + return -EFAULT; return 0; } @@ -9811,7 +9860,7 @@ static int do_check(struct bpf_verifier_env *env) } regs = cur_regs(env); - env->insn_aux_data[env->insn_idx].seen = env->pass_cnt; + sanitize_mark_insn_seen(env); prev_insn_idx = env->insn_idx; if (class == BPF_ALU || class == BPF_ALU64) { @@ -10031,7 +10080,7 @@ process_bpf_exit: return err; env->insn_idx++; - env->insn_aux_data[env->insn_idx].seen = env->pass_cnt; + sanitize_mark_insn_seen(env); } else { verbose(env, "invalid BPF_LD mode\n"); return -EINVAL; @@ -10439,6 +10488,7 @@ static int adjust_insn_aux_data(struct bpf_verifier_env *env, { struct bpf_insn_aux_data *new_data, *old_data = env->insn_aux_data; struct bpf_insn *insn = new_prog->insnsi; + u32 old_seen = old_data[off].seen; u32 prog_len; int i; @@ -10459,7 +10509,8 @@ static int adjust_insn_aux_data(struct bpf_verifier_env *env, memcpy(new_data + off + cnt - 1, old_data + off, sizeof(struct bpf_insn_aux_data) * (prog_len - off - cnt + 1)); for (i = off; i < off + cnt - 1; i++) { - new_data[i].seen = env->pass_cnt; + /* Expand insni[off]'s seen count to the patched range. */ + new_data[i].seen = old_seen; new_data[i].zext_dst = insn_has_def32(env, insn + i); } env->insn_aux_data = new_data; @@ -11703,6 +11754,9 @@ static void free_states(struct bpf_verifier_env *env) * insn_aux_data was touched. These variables are compared to clear temporary * data from failed pass. For testing and experiments do_check_common() can be * run multiple times even when prior attempt to verify is unsuccessful. + * + * Note that special handling is needed on !env->bypass_spec_v1 if this is + * ever called outside of error path with subsequent program rejection. */ static void sanitize_insn_aux_data(struct bpf_verifier_env *env) { diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index a5751784ad74..f6dddb3a8f4a 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -820,6 +820,10 @@ static int cgroup1_rename(struct kernfs_node *kn, struct kernfs_node *new_parent struct cgroup *cgrp = kn->priv; int ret; + /* do not accept '\n' to prevent making /proc/<pid>/cgroup unparsable */ + if (strchr(new_name_str, '\n')) + return -EINVAL; + if (kernfs_type(kn) != KERNFS_DIR) return -ENOTDIR; if (kn->parent != new_parent) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 5d1fdf7c3ec6..c8b811e039cc 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -5665,8 +5665,6 @@ int __init cgroup_init_early(void) return 0; } -static u16 cgroup_disable_mask __initdata; - /** * cgroup_init - cgroup initialization * @@ -5725,12 +5723,8 @@ int __init cgroup_init(void) * disabled flag and cftype registration needs kmalloc, * both of which aren't available during early_init. */ - if (cgroup_disable_mask & (1 << ssid)) { - static_branch_disable(cgroup_subsys_enabled_key[ssid]); - printk(KERN_INFO "Disabling %s control group subsystem\n", - ss->name); + if (!cgroup_ssid_enabled(ssid)) continue; - } if (cgroup1_ssid_disabled(ssid)) printk(KERN_INFO "Disabling %s control group subsystem in v1 mounts\n", @@ -6245,7 +6239,10 @@ static int __init cgroup_disable(char *str) if (strcmp(token, ss->name) && strcmp(token, ss->legacy_name)) continue; - cgroup_disable_mask |= 1 << i; + + static_branch_disable(cgroup_subsys_enabled_key[i]); + pr_info("Disabling %s control group subsystem\n", + ss->name); } } return 1; diff --git a/kernel/crash_core.c b/kernel/crash_core.c index 106e4500fd53..4a5fed2f497b 100644 --- a/kernel/crash_core.c +++ b/kernel/crash_core.c @@ -463,6 +463,7 @@ static int __init crash_save_vmcoreinfo_init(void) VMCOREINFO_LENGTH(mem_section, NR_SECTION_ROOTS); VMCOREINFO_STRUCT_SIZE(mem_section); VMCOREINFO_OFFSET(mem_section, section_mem_map); + VMCOREINFO_NUMBER(SECTION_SIZE_BITS); VMCOREINFO_NUMBER(MAX_PHYSMEM_BITS); #endif VMCOREINFO_STRUCT_SIZE(page); diff --git a/kernel/events/core.c b/kernel/events/core.c index 45fa7167cee2..7e0fdc19043e 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4547,7 +4547,9 @@ find_get_context(struct pmu *pmu, struct task_struct *task, cpuctx = per_cpu_ptr(pmu->pmu_cpu_context, cpu); ctx = &cpuctx->ctx; get_ctx(ctx); + raw_spin_lock_irqsave(&ctx->lock, flags); ++ctx->pin_count; + raw_spin_unlock_irqrestore(&ctx->lock, flags); return ctx; } diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c index 6264584b51c2..70a578272436 100644 --- a/kernel/sched/debug.c +++ b/kernel/sched/debug.c @@ -888,6 +888,7 @@ __initcall(init_sched_debug_procfs); #define __PS(S, F) SEQ_printf(m, "%-45s:%21Ld\n", S, (long long)(F)) #define __P(F) __PS(#F, F) #define P(F) __PS(#F, p->F) +#define PM(F, M) __PS(#F, p->F & (M)) #define __PSN(S, F) SEQ_printf(m, "%-45s:%14Ld.%06ld\n", S, SPLIT_NS((long long)(F))) #define __PN(F) __PSN(#F, F) #define PN(F) __PSN(#F, p->F) @@ -1014,7 +1015,7 @@ void proc_sched_show_task(struct task_struct *p, struct pid_namespace *ns, P(se.avg.util_avg); P(se.avg.last_update_time); P(se.avg.util_est.ewma); - P(se.avg.util_est.enqueued); + PM(se.avg.util_est.enqueued, ~UTIL_AVG_UNCHANGED); #endif #ifdef CONFIG_UCLAMP_TASK __PS("uclamp.min", p->uclamp_req[UCLAMP_MIN].value); diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index 1ad0e52487f6..d6e1c90de570 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -3501,10 +3501,9 @@ update_tg_cfs_runnable(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cf static inline void update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq *gcfs_rq) { - long delta_avg, running_sum, runnable_sum = gcfs_rq->prop_runnable_sum; + long delta, running_sum, runnable_sum = gcfs_rq->prop_runnable_sum; unsigned long load_avg; u64 load_sum = 0; - s64 delta_sum; u32 divider; if (!runnable_sum) @@ -3551,13 +3550,13 @@ update_tg_cfs_load(struct cfs_rq *cfs_rq, struct sched_entity *se, struct cfs_rq load_sum = (s64)se_weight(se) * runnable_sum; load_avg = div_s64(load_sum, divider); - delta_sum = load_sum - (s64)se_weight(se) * se->avg.load_sum; - delta_avg = load_avg - se->avg.load_avg; + delta = load_avg - se->avg.load_avg; se->avg.load_sum = runnable_sum; se->avg.load_avg = load_avg; - add_positive(&cfs_rq->avg.load_avg, delta_avg); - add_positive(&cfs_rq->avg.load_sum, delta_sum); + + add_positive(&cfs_rq->avg.load_avg, delta); + cfs_rq->avg.load_sum = cfs_rq->avg.load_avg * divider; } static inline void add_tg_cfs_propagate(struct cfs_rq *cfs_rq, long runnable_sum) @@ -3768,11 +3767,17 @@ static void attach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *s */ static void detach_entity_load_avg(struct cfs_rq *cfs_rq, struct sched_entity *se) { + /* + * cfs_rq->avg.period_contrib can be used for both cfs_rq and se. + * See ___update_load_avg() for details. + */ + u32 divider = get_pelt_divider(&cfs_rq->avg); + dequeue_load_avg(cfs_rq, se); sub_positive(&cfs_rq->avg.util_avg, se->avg.util_avg); - sub_positive(&cfs_rq->avg.util_sum, se->avg.util_sum); + cfs_rq->avg.util_sum = cfs_rq->avg.util_avg * divider; sub_positive(&cfs_rq->avg.runnable_avg, se->avg.runnable_avg); - sub_positive(&cfs_rq->avg.runnable_sum, se->avg.runnable_sum); + cfs_rq->avg.runnable_sum = cfs_rq->avg.runnable_avg * divider; add_tg_cfs_propagate(cfs_rq, -se->avg.load_sum); @@ -3904,7 +3909,7 @@ static inline unsigned long _task_util_est(struct task_struct *p) { struct util_est ue = READ_ONCE(p->se.avg.util_est); - return (max(ue.ewma, ue.enqueued) | UTIL_AVG_UNCHANGED); + return max(ue.ewma, (ue.enqueued & ~UTIL_AVG_UNCHANGED)); } static inline unsigned long task_util_est(struct task_struct *p) @@ -4004,7 +4009,7 @@ static inline void util_est_update(struct cfs_rq *cfs_rq, * Reset EWMA on utilization increases, the moving average is used only * to smooth utilization decreases. */ - ue.enqueued = (task_util(p) | UTIL_AVG_UNCHANGED); + ue.enqueued = task_util(p); if (sched_feat(UTIL_EST_FASTUP)) { if (ue.ewma < ue.enqueued) { ue.ewma = ue.enqueued; @@ -4053,6 +4058,7 @@ static inline void util_est_update(struct cfs_rq *cfs_rq, ue.ewma += last_ewma_diff; ue.ewma >>= UTIL_EST_WEIGHT_SHIFT; done: + ue.enqueued |= UTIL_AVG_UNCHANGED; WRITE_ONCE(p->se.avg.util_est, ue); trace_sched_util_est_se_tp(&p->se); @@ -7961,7 +7967,7 @@ static bool __update_blocked_fair(struct rq *rq, bool *done) /* Propagate pending load changes to the parent, if any: */ se = cfs_rq->tg->se[cpu]; if (se && !skip_blocked_update(se)) - update_load_avg(cfs_rq_of(se), se, 0); + update_load_avg(cfs_rq_of(se), se, UPDATE_TG); /* * There can be a lot of idle CPU cgroups. Don't let fully diff --git a/kernel/sched/pelt.h b/kernel/sched/pelt.h index 795e43e02afc..0b9aeebb9c32 100644 --- a/kernel/sched/pelt.h +++ b/kernel/sched/pelt.h @@ -42,15 +42,6 @@ static inline u32 get_pelt_divider(struct sched_avg *avg) return LOAD_AVG_MAX - 1024 + avg->period_contrib; } -/* - * When a task is dequeued, its estimated utilization should not be update if - * its util_avg has not been updated at least once. - * This flag is used to synchronize util_avg updates with util_est updates. - * We map this information into the LSB bit of the utilization saved at - * dequeue time (i.e. util_est.dequeued). - */ -#define UTIL_AVG_UNCHANGED 0x1 - static inline void cfs_se_util_change(struct sched_avg *avg) { unsigned int enqueued; @@ -58,7 +49,7 @@ static inline void cfs_se_util_change(struct sched_avg *avg) if (!sched_feat(UTIL_EST)) return; - /* Avoid store if the flag has been already set */ + /* Avoid store if the flag has been already reset */ enqueued = avg->util_est.enqueued; if (!(enqueued & UTIL_AVG_UNCHANGED)) return; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index a6d15a3187d0..30010614b923 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1968,12 +1968,18 @@ static int ftrace_hash_ipmodify_update(struct ftrace_ops *ops, static void print_ip_ins(const char *fmt, const unsigned char *p) { + char ins[MCOUNT_INSN_SIZE]; int i; + if (copy_from_kernel_nofault(ins, p, MCOUNT_INSN_SIZE)) { + printk(KERN_CONT "%s[FAULT] %px\n", fmt, p); + return; + } + printk(KERN_CONT "%s", fmt); for (i = 0; i < MCOUNT_INSN_SIZE; i++) - printk(KERN_CONT "%s%02x", i ? ":" : "", p[i]); + printk(KERN_CONT "%s%02x", i ? ":" : "", ins[i]); } enum ftrace_bug_type ftrace_bug_type; diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 321f7f7a29b4..b09c59806501 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -2195,9 +2195,6 @@ struct saved_cmdlines_buffer { }; static struct saved_cmdlines_buffer *savedcmd; -/* temporary disable recording */ -static atomic_t trace_record_taskinfo_disabled __read_mostly; - static inline char *get_saved_cmdlines(int idx) { return &savedcmd->saved_cmdlines[idx * TASK_COMM_LEN]; @@ -2483,8 +2480,6 @@ static bool tracing_record_taskinfo_skip(int flags) { if (unlikely(!(flags & (TRACE_RECORD_CMDLINE | TRACE_RECORD_TGID)))) return true; - if (atomic_read(&trace_record_taskinfo_disabled) || !tracing_is_on()) - return true; if (!__this_cpu_read(trace_taskinfo_save)) return true; return false; @@ -2734,7 +2729,7 @@ trace_event_buffer_lock_reserve(struct trace_buffer **current_rb, (entry = this_cpu_read(trace_buffered_event))) { /* Try to use the per cpu buffer first */ val = this_cpu_inc_return(trace_buffered_event_cnt); - if ((len < (PAGE_SIZE - sizeof(*entry))) && val == 1) { + if ((len < (PAGE_SIZE - sizeof(*entry) - sizeof(entry->array[0]))) && val == 1) { trace_event_setup(entry, type, flags, pc); entry->array[0] = len; return entry; @@ -3685,9 +3680,6 @@ static void *s_start(struct seq_file *m, loff_t *pos) return ERR_PTR(-EBUSY); #endif - if (!iter->snapshot) - atomic_inc(&trace_record_taskinfo_disabled); - if (*pos != iter->pos) { iter->ent = NULL; iter->cpu = 0; @@ -3730,9 +3722,6 @@ static void s_stop(struct seq_file *m, void *p) return; #endif - if (!iter->snapshot) - atomic_dec(&trace_record_taskinfo_disabled); - trace_access_unlock(iter->cpu_file); trace_event_read_unlock(); } diff --git a/kernel/trace/trace_clock.c b/kernel/trace/trace_clock.c index c1637f90c8a3..4702efb00ff2 100644 --- a/kernel/trace/trace_clock.c +++ b/kernel/trace/trace_clock.c @@ -115,9 +115,9 @@ u64 notrace trace_clock_global(void) prev_time = READ_ONCE(trace_clock_struct.prev_time); now = sched_clock_cpu(this_cpu); - /* Make sure that now is always greater than prev_time */ + /* Make sure that now is always greater than or equal to prev_time */ if ((s64)(now - prev_time) < 0) - now = prev_time + 1; + now = prev_time; /* * If in an NMI context then dont risk lockups and simply return @@ -131,7 +131,7 @@ u64 notrace trace_clock_global(void) /* Reread prev_time in case it was already updated */ prev_time = READ_ONCE(trace_clock_struct.prev_time); if ((s64)(now - prev_time) < 0) - now = prev_time + 1; + now = prev_time; trace_clock_struct.prev_time = now; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 1e2ca744dadb..b23f7d1044be 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -50,6 +50,7 @@ #include <linux/uaccess.h> #include <linux/sched/isolation.h> #include <linux/nmi.h> +#include <linux/kvm_para.h> #include "workqueue_internal.h" @@ -5758,6 +5759,7 @@ static void wq_watchdog_timer_fn(struct timer_list *unused) { unsigned long thresh = READ_ONCE(wq_watchdog_thresh) * HZ; bool lockup_detected = false; + unsigned long now = jiffies; struct worker_pool *pool; int pi; @@ -5772,6 +5774,12 @@ static void wq_watchdog_timer_fn(struct timer_list *unused) if (list_empty(&pool->worklist)) continue; + /* + * If a virtual machine is stopped by the host it can look to + * the watchdog like a stall. + */ + kvm_check_and_clear_guest_paused(); + /* get the latest of pool and touched timestamps */ pool_ts = READ_ONCE(pool->watchdog_ts); touched = READ_ONCE(wq_watchdog_touched); @@ -5790,12 +5798,12 @@ static void wq_watchdog_timer_fn(struct timer_list *unused) } /* did we stall? */ - if (time_after(jiffies, ts + thresh)) { + if (time_after(now, ts + thresh)) { lockup_detected = true; pr_emerg("BUG: workqueue lockup - pool"); pr_cont_pool_info(pool); pr_cont(" stuck for %us!\n", - jiffies_to_msecs(jiffies - pool_ts) / 1000); + jiffies_to_msecs(now - pool_ts) / 1000); } } diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 2d7a667f8e60..25fb82320e3d 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -1445,7 +1445,12 @@ int memory_failure(unsigned long pfn, int flags) return 0; } - if (!PageTransTail(p) && !PageLRU(p)) + /* + * __munlock_pagevec may clear a writeback page's LRU flag without + * page_lock. We need wait writeback completion for this page or it + * may trigger vfs BUG while evict inode. + */ + if (!PageTransTail(p) && !PageLRU(p) && !PageWriteback(p)) goto identify_page_state; /* diff --git a/mm/slab_common.c b/mm/slab_common.c index 8f27ccf9f7f3..ec832904f408 100644 --- a/mm/slab_common.c +++ b/mm/slab_common.c @@ -87,8 +87,7 @@ EXPORT_SYMBOL(kmem_cache_size); #ifdef CONFIG_DEBUG_VM static int kmem_cache_sanity_check(const char *name, unsigned int size) { - if (!name || in_interrupt() || size < sizeof(void *) || - size > KMALLOC_MAX_SIZE) { + if (!name || in_interrupt() || size > KMALLOC_MAX_SIZE) { pr_err("kmem_cache_create(%s) integrity check failed\n", name); return -EINVAL; } diff --git a/mm/slub.c b/mm/slub.c index 05a501b67cd5..f5fc44208bdc 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -15,6 +15,7 @@ #include <linux/module.h> #include <linux/bit_spinlock.h> #include <linux/interrupt.h> +#include <linux/swab.h> #include <linux/bitops.h> #include <linux/slab.h> #include "slab.h" @@ -698,15 +699,15 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p) p, p - addr, get_freepointer(s, p)); if (s->flags & SLAB_RED_ZONE) - print_section(KERN_ERR, "Redzone ", p - s->red_left_pad, + print_section(KERN_ERR, "Redzone ", p - s->red_left_pad, s->red_left_pad); else if (p > addr + 16) print_section(KERN_ERR, "Bytes b4 ", p - 16, 16); - print_section(KERN_ERR, "Object ", p, + print_section(KERN_ERR, "Object ", p, min_t(unsigned int, s->object_size, PAGE_SIZE)); if (s->flags & SLAB_RED_ZONE) - print_section(KERN_ERR, "Redzone ", p + s->object_size, + print_section(KERN_ERR, "Redzone ", p + s->object_size, s->inuse - s->object_size); off = get_info_end(s); @@ -718,7 +719,7 @@ static void print_trailer(struct kmem_cache *s, struct page *page, u8 *p) if (off != size_from_object(s)) /* Beginning of the filler is the free pointer */ - print_section(KERN_ERR, "Padding ", p + off, + print_section(KERN_ERR, "Padding ", p + off, size_from_object(s) - off); dump_stack(); @@ -895,11 +896,11 @@ static int check_object(struct kmem_cache *s, struct page *page, u8 *endobject = object + s->object_size; if (s->flags & SLAB_RED_ZONE) { - if (!check_bytes_and_report(s, page, object, "Redzone", + if (!check_bytes_and_report(s, page, object, "Left Redzone", object - s->red_left_pad, val, s->red_left_pad)) return 0; - if (!check_bytes_and_report(s, page, object, "Redzone", + if (!check_bytes_and_report(s, page, object, "Right Redzone", endobject, val, s->inuse - s->object_size)) return 0; } else { @@ -914,7 +915,7 @@ static int check_object(struct kmem_cache *s, struct page *page, if (val != SLUB_RED_ACTIVE && (s->flags & __OBJECT_POISON) && (!check_bytes_and_report(s, page, p, "Poison", p, POISON_FREE, s->object_size - 1) || - !check_bytes_and_report(s, page, p, "Poison", + !check_bytes_and_report(s, page, p, "End Poison", p + s->object_size - 1, POISON_END, 1))) return 0; /* @@ -3639,7 +3640,6 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) { slab_flags_t flags = s->flags; unsigned int size = s->object_size; - unsigned int freepointer_area; unsigned int order; /* @@ -3648,13 +3648,6 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) * the possible location of the free pointer. */ size = ALIGN(size, sizeof(void *)); - /* - * This is the area of the object where a freepointer can be - * safely written. If redzoning adds more to the inuse size, we - * can't use that portion for writing the freepointer, so - * s->offset must be limited within this for the general case. - */ - freepointer_area = size; #ifdef CONFIG_SLUB_DEBUG /* @@ -3680,19 +3673,21 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) /* * With that we have determined the number of bytes in actual use - * by the object. This is the potential offset to the free pointer. + * by the object and redzoning. */ s->inuse = size; - if (((flags & (SLAB_TYPESAFE_BY_RCU | SLAB_POISON)) || - s->ctor)) { + if ((flags & (SLAB_TYPESAFE_BY_RCU | SLAB_POISON)) || + ((flags & SLAB_RED_ZONE) && s->object_size < sizeof(void *)) || + s->ctor) { /* * Relocate free pointer after the object if it is not * permitted to overwrite the first word of the object on * kmem_cache_free. * * This is the case if we do RCU, have a constructor or - * destructor or are poisoning the objects. + * destructor, are poisoning the objects, or are + * redzoning an object smaller than sizeof(void *). * * The assumption that s->offset >= s->inuse means free * pointer is outside of the object is used in the @@ -3701,13 +3696,13 @@ static int calculate_sizes(struct kmem_cache *s, int forced_order) */ s->offset = size; size += sizeof(void *); - } else if (freepointer_area > sizeof(void *)) { + } else { /* * Store freelist pointer near middle of object to keep * it away from the edges of the object to avoid small * sized over/underflows from neighboring allocations. */ - s->offset = ALIGN(freepointer_area / 2, sizeof(void *)); + s->offset = ALIGN_DOWN(s->object_size / 2, sizeof(void *)); } #ifdef CONFIG_SLUB_DEBUG diff --git a/mm/swapfile.c b/mm/swapfile.c index 5256c10049b0..5af6b0f770de 100644 --- a/mm/swapfile.c +++ b/mm/swapfile.c @@ -1903,7 +1903,7 @@ unsigned int count_swap_pages(int type, int free) static inline int pte_same_as_swp(pte_t pte, pte_t swp_pte) { - return pte_same(pte_swp_clear_soft_dirty(pte), swp_pte); + return pte_same(pte_swp_clear_flags(pte), swp_pte); } /* diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 206d0b424712..c0aa54d21c64 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -410,8 +410,10 @@ static void batadv_iv_ogm_emit(struct batadv_forw_packet *forw_packet) if (WARN_ON(!forw_packet->if_outgoing)) return; - if (WARN_ON(forw_packet->if_outgoing->soft_iface != soft_iface)) + if (forw_packet->if_outgoing->soft_iface != soft_iface) { + pr_warn("%s: soft interface switch for queued OGM\n", __func__); return; + } if (forw_packet->if_incoming->if_status != BATADV_IF_ACTIVE) return; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 8424464186a6..5e5726048a1a 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -98,8 +98,8 @@ struct br_vlan_stats { }; struct br_tunnel_info { - __be64 tunnel_id; - struct metadata_dst *tunnel_dst; + __be64 tunnel_id; + struct metadata_dst __rcu *tunnel_dst; }; /* private vlan flags */ diff --git a/net/bridge/br_vlan_tunnel.c b/net/bridge/br_vlan_tunnel.c index 169e005fbda2..debe16720278 100644 --- a/net/bridge/br_vlan_tunnel.c +++ b/net/bridge/br_vlan_tunnel.c @@ -41,26 +41,33 @@ static struct net_bridge_vlan *br_vlan_tunnel_lookup(struct rhashtable *tbl, br_vlan_tunnel_rht_params); } +static void vlan_tunnel_info_release(struct net_bridge_vlan *vlan) +{ + struct metadata_dst *tdst = rtnl_dereference(vlan->tinfo.tunnel_dst); + + WRITE_ONCE(vlan->tinfo.tunnel_id, 0); + RCU_INIT_POINTER(vlan->tinfo.tunnel_dst, NULL); + dst_release(&tdst->dst); +} + void vlan_tunnel_info_del(struct net_bridge_vlan_group *vg, struct net_bridge_vlan *vlan) { - if (!vlan->tinfo.tunnel_dst) + if (!rcu_access_pointer(vlan->tinfo.tunnel_dst)) return; rhashtable_remove_fast(&vg->tunnel_hash, &vlan->tnode, br_vlan_tunnel_rht_params); - vlan->tinfo.tunnel_id = 0; - dst_release(&vlan->tinfo.tunnel_dst->dst); - vlan->tinfo.tunnel_dst = NULL; + vlan_tunnel_info_release(vlan); } static int __vlan_tunnel_info_add(struct net_bridge_vlan_group *vg, struct net_bridge_vlan *vlan, u32 tun_id) { - struct metadata_dst *metadata = NULL; + struct metadata_dst *metadata = rtnl_dereference(vlan->tinfo.tunnel_dst); __be64 key = key32_to_tunnel_id(cpu_to_be32(tun_id)); int err; - if (vlan->tinfo.tunnel_dst) + if (metadata) return -EEXIST; metadata = __ip_tun_set_dst(0, 0, 0, 0, 0, TUNNEL_KEY, @@ -69,8 +76,8 @@ static int __vlan_tunnel_info_add(struct net_bridge_vlan_group *vg, return -EINVAL; metadata->u.tun_info.mode |= IP_TUNNEL_INFO_TX | IP_TUNNEL_INFO_BRIDGE; - vlan->tinfo.tunnel_dst = metadata; - vlan->tinfo.tunnel_id = key; + rcu_assign_pointer(vlan->tinfo.tunnel_dst, metadata); + WRITE_ONCE(vlan->tinfo.tunnel_id, key); err = rhashtable_lookup_insert_fast(&vg->tunnel_hash, &vlan->tnode, br_vlan_tunnel_rht_params); @@ -79,9 +86,7 @@ static int __vlan_tunnel_info_add(struct net_bridge_vlan_group *vg, return 0; out: - dst_release(&vlan->tinfo.tunnel_dst->dst); - vlan->tinfo.tunnel_dst = NULL; - vlan->tinfo.tunnel_id = 0; + vlan_tunnel_info_release(vlan); return err; } @@ -182,12 +187,15 @@ int br_handle_ingress_vlan_tunnel(struct sk_buff *skb, int br_handle_egress_vlan_tunnel(struct sk_buff *skb, struct net_bridge_vlan *vlan) { + struct metadata_dst *tunnel_dst; + __be64 tunnel_id; int err; - if (!vlan || !vlan->tinfo.tunnel_id) + if (!vlan) return 0; - if (unlikely(!skb_vlan_tag_present(skb))) + tunnel_id = READ_ONCE(vlan->tinfo.tunnel_id); + if (!tunnel_id || unlikely(!skb_vlan_tag_present(skb))) return 0; skb_dst_drop(skb); @@ -195,7 +203,9 @@ int br_handle_egress_vlan_tunnel(struct sk_buff *skb, if (err) return err; - skb_dst_set(skb, dst_clone(&vlan->tinfo.tunnel_dst->dst)); + tunnel_dst = rcu_dereference(vlan->tinfo.tunnel_dst); + if (tunnel_dst && dst_hold_safe(&tunnel_dst->dst)) + skb_dst_set(skb, &tunnel_dst->dst); return 0; } diff --git a/net/can/bcm.c b/net/can/bcm.c index 909b9e684e04..f3e4d9528fa3 100644 --- a/net/can/bcm.c +++ b/net/can/bcm.c @@ -125,7 +125,7 @@ struct bcm_sock { struct sock sk; int bound; int ifindex; - struct notifier_block notifier; + struct list_head notifier; struct list_head rx_ops; struct list_head tx_ops; unsigned long dropped_usr_msgs; @@ -133,6 +133,10 @@ struct bcm_sock { char procname [32]; /* inode number in decimal with \0 */ }; +static LIST_HEAD(bcm_notifier_list); +static DEFINE_SPINLOCK(bcm_notifier_lock); +static struct bcm_sock *bcm_busy_notifier; + static inline struct bcm_sock *bcm_sk(const struct sock *sk) { return (struct bcm_sock *)sk; @@ -402,6 +406,7 @@ static enum hrtimer_restart bcm_tx_timeout_handler(struct hrtimer *hrtimer) if (!op->count && (op->flags & TX_COUNTEVT)) { /* create notification to user */ + memset(&msg_head, 0, sizeof(msg_head)); msg_head.opcode = TX_EXPIRED; msg_head.flags = op->flags; msg_head.count = op->count; @@ -439,6 +444,7 @@ static void bcm_rx_changed(struct bcm_op *op, struct canfd_frame *data) /* this element is not throttled anymore */ data->flags &= (BCM_CAN_FLAGS_MASK|RX_RECV); + memset(&head, 0, sizeof(head)); head.opcode = RX_CHANGED; head.flags = op->flags; head.count = op->count; @@ -560,6 +566,7 @@ static enum hrtimer_restart bcm_rx_timeout_handler(struct hrtimer *hrtimer) } /* create notification to user */ + memset(&msg_head, 0, sizeof(msg_head)); msg_head.opcode = RX_TIMEOUT; msg_head.flags = op->flags; msg_head.count = op->count; @@ -1378,20 +1385,15 @@ static int bcm_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) /* * notification handler for netdevice status changes */ -static int bcm_notifier(struct notifier_block *nb, unsigned long msg, - void *ptr) +static void bcm_notify(struct bcm_sock *bo, unsigned long msg, + struct net_device *dev) { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); - struct bcm_sock *bo = container_of(nb, struct bcm_sock, notifier); struct sock *sk = &bo->sk; struct bcm_op *op; int notify_enodev = 0; if (!net_eq(dev_net(dev), sock_net(sk))) - return NOTIFY_DONE; - - if (dev->type != ARPHRD_CAN) - return NOTIFY_DONE; + return; switch (msg) { @@ -1426,7 +1428,28 @@ static int bcm_notifier(struct notifier_block *nb, unsigned long msg, sk->sk_error_report(sk); } } +} +static int bcm_notifier(struct notifier_block *nb, unsigned long msg, + void *ptr) +{ + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + + if (dev->type != ARPHRD_CAN) + return NOTIFY_DONE; + if (msg != NETDEV_UNREGISTER && msg != NETDEV_DOWN) + return NOTIFY_DONE; + if (unlikely(bcm_busy_notifier)) /* Check for reentrant bug. */ + return NOTIFY_DONE; + + spin_lock(&bcm_notifier_lock); + list_for_each_entry(bcm_busy_notifier, &bcm_notifier_list, notifier) { + spin_unlock(&bcm_notifier_lock); + bcm_notify(bcm_busy_notifier, msg, dev); + spin_lock(&bcm_notifier_lock); + } + bcm_busy_notifier = NULL; + spin_unlock(&bcm_notifier_lock); return NOTIFY_DONE; } @@ -1446,9 +1469,9 @@ static int bcm_init(struct sock *sk) INIT_LIST_HEAD(&bo->rx_ops); /* set notifier */ - bo->notifier.notifier_call = bcm_notifier; - - register_netdevice_notifier(&bo->notifier); + spin_lock(&bcm_notifier_lock); + list_add_tail(&bo->notifier, &bcm_notifier_list); + spin_unlock(&bcm_notifier_lock); return 0; } @@ -1471,7 +1494,14 @@ static int bcm_release(struct socket *sock) /* remove bcm_ops, timer, rx_unregister(), etc. */ - unregister_netdevice_notifier(&bo->notifier); + spin_lock(&bcm_notifier_lock); + while (bcm_busy_notifier == bo) { + spin_unlock(&bcm_notifier_lock); + schedule_timeout_uninterruptible(1); + spin_lock(&bcm_notifier_lock); + } + list_del(&bo->notifier); + spin_unlock(&bcm_notifier_lock); lock_sock(sk); @@ -1692,6 +1722,10 @@ static struct pernet_operations canbcm_pernet_ops __read_mostly = { .exit = canbcm_pernet_exit, }; +static struct notifier_block canbcm_notifier = { + .notifier_call = bcm_notifier +}; + static int __init bcm_module_init(void) { int err; @@ -1705,12 +1739,14 @@ static int __init bcm_module_init(void) } register_pernet_subsys(&canbcm_pernet_ops); + register_netdevice_notifier(&canbcm_notifier); return 0; } static void __exit bcm_module_exit(void) { can_proto_unregister(&bcm_can_proto); + unregister_netdevice_notifier(&canbcm_notifier); unregister_pernet_subsys(&canbcm_pernet_ops); } diff --git a/net/can/isotp.c b/net/can/isotp.c index d5780ab29e09..1adefb14527d 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -143,10 +143,14 @@ struct isotp_sock { u32 force_tx_stmin; u32 force_rx_stmin; struct tpcon rx, tx; - struct notifier_block notifier; + struct list_head notifier; wait_queue_head_t wait; }; +static LIST_HEAD(isotp_notifier_list); +static DEFINE_SPINLOCK(isotp_notifier_lock); +static struct isotp_sock *isotp_busy_notifier; + static inline struct isotp_sock *isotp_sk(const struct sock *sk) { return (struct isotp_sock *)sk; @@ -1008,7 +1012,14 @@ static int isotp_release(struct socket *sock) /* wait for complete transmission of current pdu */ wait_event_interruptible(so->wait, so->tx.state == ISOTP_IDLE); - unregister_netdevice_notifier(&so->notifier); + spin_lock(&isotp_notifier_lock); + while (isotp_busy_notifier == so) { + spin_unlock(&isotp_notifier_lock); + schedule_timeout_uninterruptible(1); + spin_lock(&isotp_notifier_lock); + } + list_del(&so->notifier); + spin_unlock(&isotp_notifier_lock); lock_sock(sk); @@ -1284,21 +1295,16 @@ static int isotp_getsockopt(struct socket *sock, int level, int optname, return 0; } -static int isotp_notifier(struct notifier_block *nb, unsigned long msg, - void *ptr) +static void isotp_notify(struct isotp_sock *so, unsigned long msg, + struct net_device *dev) { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); - struct isotp_sock *so = container_of(nb, struct isotp_sock, notifier); struct sock *sk = &so->sk; if (!net_eq(dev_net(dev), sock_net(sk))) - return NOTIFY_DONE; - - if (dev->type != ARPHRD_CAN) - return NOTIFY_DONE; + return; if (so->ifindex != dev->ifindex) - return NOTIFY_DONE; + return; switch (msg) { case NETDEV_UNREGISTER: @@ -1324,7 +1330,28 @@ static int isotp_notifier(struct notifier_block *nb, unsigned long msg, sk->sk_error_report(sk); break; } +} +static int isotp_notifier(struct notifier_block *nb, unsigned long msg, + void *ptr) +{ + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + + if (dev->type != ARPHRD_CAN) + return NOTIFY_DONE; + if (msg != NETDEV_UNREGISTER && msg != NETDEV_DOWN) + return NOTIFY_DONE; + if (unlikely(isotp_busy_notifier)) /* Check for reentrant bug. */ + return NOTIFY_DONE; + + spin_lock(&isotp_notifier_lock); + list_for_each_entry(isotp_busy_notifier, &isotp_notifier_list, notifier) { + spin_unlock(&isotp_notifier_lock); + isotp_notify(isotp_busy_notifier, msg, dev); + spin_lock(&isotp_notifier_lock); + } + isotp_busy_notifier = NULL; + spin_unlock(&isotp_notifier_lock); return NOTIFY_DONE; } @@ -1361,8 +1388,9 @@ static int isotp_init(struct sock *sk) init_waitqueue_head(&so->wait); - so->notifier.notifier_call = isotp_notifier; - register_netdevice_notifier(&so->notifier); + spin_lock(&isotp_notifier_lock); + list_add_tail(&so->notifier, &isotp_notifier_list); + spin_unlock(&isotp_notifier_lock); return 0; } @@ -1409,6 +1437,10 @@ static const struct can_proto isotp_can_proto = { .prot = &isotp_proto, }; +static struct notifier_block canisotp_notifier = { + .notifier_call = isotp_notifier +}; + static __init int isotp_module_init(void) { int err; @@ -1418,6 +1450,8 @@ static __init int isotp_module_init(void) err = can_proto_register(&isotp_can_proto); if (err < 0) pr_err("can: registration of isotp protocol failed\n"); + else + register_netdevice_notifier(&canisotp_notifier); return err; } @@ -1425,6 +1459,7 @@ static __init int isotp_module_init(void) static __exit void isotp_module_exit(void) { can_proto_unregister(&isotp_can_proto); + unregister_netdevice_notifier(&canisotp_notifier); } module_init(isotp_module_init); diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c index e09d087ba240..c3946c355882 100644 --- a/net/can/j1939/transport.c +++ b/net/can/j1939/transport.c @@ -330,6 +330,9 @@ static void j1939_session_skb_drop_old(struct j1939_session *session) if ((do_skcb->offset + do_skb->len) < offset_start) { __skb_unlink(do_skb, &session->skb_queue); + /* drop ref taken in j1939_session_skb_queue() */ + skb_unref(do_skb); + kfree_skb(do_skb); } spin_unlock_irqrestore(&session->skb_queue.lock, flags); @@ -349,12 +352,13 @@ void j1939_session_skb_queue(struct j1939_session *session, skcb->flags |= J1939_ECU_LOCAL_SRC; + skb_get(skb); skb_queue_tail(&session->skb_queue, skb); } static struct -sk_buff *j1939_session_skb_find_by_offset(struct j1939_session *session, - unsigned int offset_start) +sk_buff *j1939_session_skb_get_by_offset(struct j1939_session *session, + unsigned int offset_start) { struct j1939_priv *priv = session->priv; struct j1939_sk_buff_cb *do_skcb; @@ -371,6 +375,10 @@ sk_buff *j1939_session_skb_find_by_offset(struct j1939_session *session, skb = do_skb; } } + + if (skb) + skb_get(skb); + spin_unlock_irqrestore(&session->skb_queue.lock, flags); if (!skb) @@ -381,12 +389,12 @@ sk_buff *j1939_session_skb_find_by_offset(struct j1939_session *session, return skb; } -static struct sk_buff *j1939_session_skb_find(struct j1939_session *session) +static struct sk_buff *j1939_session_skb_get(struct j1939_session *session) { unsigned int offset_start; offset_start = session->pkt.dpo * 7; - return j1939_session_skb_find_by_offset(session, offset_start); + return j1939_session_skb_get_by_offset(session, offset_start); } /* see if we are receiver @@ -776,7 +784,7 @@ static int j1939_session_tx_dat(struct j1939_session *session) int ret = 0; u8 dat[8]; - se_skb = j1939_session_skb_find_by_offset(session, session->pkt.tx * 7); + se_skb = j1939_session_skb_get_by_offset(session, session->pkt.tx * 7); if (!se_skb) return -ENOBUFS; @@ -801,7 +809,8 @@ static int j1939_session_tx_dat(struct j1939_session *session) netdev_err_once(priv->ndev, "%s: 0x%p: requested data outside of queued buffer: offset %i, len %i, pkt.tx: %i\n", __func__, session, skcb->offset, se_skb->len , session->pkt.tx); - return -EOVERFLOW; + ret = -EOVERFLOW; + goto out_free; } if (!len) { @@ -835,6 +844,12 @@ static int j1939_session_tx_dat(struct j1939_session *session) if (pkt_done) j1939_tp_set_rxtimeout(session, 250); + out_free: + if (ret) + kfree_skb(se_skb); + else + consume_skb(se_skb); + return ret; } @@ -1007,7 +1022,7 @@ static int j1939_xtp_txnext_receiver(struct j1939_session *session) static int j1939_simple_txnext(struct j1939_session *session) { struct j1939_priv *priv = session->priv; - struct sk_buff *se_skb = j1939_session_skb_find(session); + struct sk_buff *se_skb = j1939_session_skb_get(session); struct sk_buff *skb; int ret; @@ -1015,8 +1030,10 @@ static int j1939_simple_txnext(struct j1939_session *session) return 0; skb = skb_clone(se_skb, GFP_ATOMIC); - if (!skb) - return -ENOMEM; + if (!skb) { + ret = -ENOMEM; + goto out_free; + } can_skb_set_owner(skb, se_skb->sk); @@ -1024,12 +1041,18 @@ static int j1939_simple_txnext(struct j1939_session *session) ret = j1939_send_one(priv, skb); if (ret) - return ret; + goto out_free; j1939_sk_errqueue(session, J1939_ERRQUEUE_SCHED); j1939_sk_queue_activate_next(session); - return 0; + out_free: + if (ret) + kfree_skb(se_skb); + else + consume_skb(se_skb); + + return ret; } static bool j1939_session_deactivate_locked(struct j1939_session *session) @@ -1170,9 +1193,10 @@ static void j1939_session_completed(struct j1939_session *session) struct sk_buff *skb; if (!session->transmission) { - skb = j1939_session_skb_find(session); + skb = j1939_session_skb_get(session); /* distribute among j1939 receivers */ j1939_sk_recv(session->priv, skb); + consume_skb(skb); } j1939_session_deactivate_activate_next(session); @@ -1744,7 +1768,7 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session, { struct j1939_priv *priv = session->priv; struct j1939_sk_buff_cb *skcb; - struct sk_buff *se_skb; + struct sk_buff *se_skb = NULL; const u8 *dat; u8 *tpdat; int offset; @@ -1786,7 +1810,7 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session, goto out_session_cancel; } - se_skb = j1939_session_skb_find_by_offset(session, packet * 7); + se_skb = j1939_session_skb_get_by_offset(session, packet * 7); if (!se_skb) { netdev_warn(priv->ndev, "%s: 0x%p: no skb found\n", __func__, session); @@ -1848,11 +1872,13 @@ static void j1939_xtp_rx_dat_one(struct j1939_session *session, j1939_tp_set_rxtimeout(session, 250); } session->last_cmd = 0xff; + consume_skb(se_skb); j1939_session_put(session); return; out_session_cancel: + kfree_skb(se_skb); j1939_session_timers_cancel(session); j1939_session_cancel(session, J1939_XTP_ABORT_FAULT); j1939_session_put(session); diff --git a/net/can/raw.c b/net/can/raw.c index 95113b0898b2..4a7c063deb6c 100644 --- a/net/can/raw.c +++ b/net/can/raw.c @@ -83,7 +83,7 @@ struct raw_sock { struct sock sk; int bound; int ifindex; - struct notifier_block notifier; + struct list_head notifier; int loopback; int recv_own_msgs; int fd_frames; @@ -95,6 +95,10 @@ struct raw_sock { struct uniqframe __percpu *uniq; }; +static LIST_HEAD(raw_notifier_list); +static DEFINE_SPINLOCK(raw_notifier_lock); +static struct raw_sock *raw_busy_notifier; + /* Return pointer to store the extra msg flags for raw_recvmsg(). * We use the space of one unsigned int beyond the 'struct sockaddr_can' * in skb->cb. @@ -263,21 +267,16 @@ static int raw_enable_allfilters(struct net *net, struct net_device *dev, return err; } -static int raw_notifier(struct notifier_block *nb, - unsigned long msg, void *ptr) +static void raw_notify(struct raw_sock *ro, unsigned long msg, + struct net_device *dev) { - struct net_device *dev = netdev_notifier_info_to_dev(ptr); - struct raw_sock *ro = container_of(nb, struct raw_sock, notifier); struct sock *sk = &ro->sk; if (!net_eq(dev_net(dev), sock_net(sk))) - return NOTIFY_DONE; - - if (dev->type != ARPHRD_CAN) - return NOTIFY_DONE; + return; if (ro->ifindex != dev->ifindex) - return NOTIFY_DONE; + return; switch (msg) { case NETDEV_UNREGISTER: @@ -305,7 +304,28 @@ static int raw_notifier(struct notifier_block *nb, sk->sk_error_report(sk); break; } +} + +static int raw_notifier(struct notifier_block *nb, unsigned long msg, + void *ptr) +{ + struct net_device *dev = netdev_notifier_info_to_dev(ptr); + + if (dev->type != ARPHRD_CAN) + return NOTIFY_DONE; + if (msg != NETDEV_UNREGISTER && msg != NETDEV_DOWN) + return NOTIFY_DONE; + if (unlikely(raw_busy_notifier)) /* Check for reentrant bug. */ + return NOTIFY_DONE; + spin_lock(&raw_notifier_lock); + list_for_each_entry(raw_busy_notifier, &raw_notifier_list, notifier) { + spin_unlock(&raw_notifier_lock); + raw_notify(raw_busy_notifier, msg, dev); + spin_lock(&raw_notifier_lock); + } + raw_busy_notifier = NULL; + spin_unlock(&raw_notifier_lock); return NOTIFY_DONE; } @@ -334,9 +354,9 @@ static int raw_init(struct sock *sk) return -ENOMEM; /* set notifier */ - ro->notifier.notifier_call = raw_notifier; - - register_netdevice_notifier(&ro->notifier); + spin_lock(&raw_notifier_lock); + list_add_tail(&ro->notifier, &raw_notifier_list); + spin_unlock(&raw_notifier_lock); return 0; } @@ -351,7 +371,14 @@ static int raw_release(struct socket *sock) ro = raw_sk(sk); - unregister_netdevice_notifier(&ro->notifier); + spin_lock(&raw_notifier_lock); + while (raw_busy_notifier == ro) { + spin_unlock(&raw_notifier_lock); + schedule_timeout_uninterruptible(1); + spin_lock(&raw_notifier_lock); + } + list_del(&ro->notifier); + spin_unlock(&raw_notifier_lock); lock_sock(sk); @@ -881,6 +908,10 @@ static const struct can_proto raw_can_proto = { .prot = &raw_proto, }; +static struct notifier_block canraw_notifier = { + .notifier_call = raw_notifier +}; + static __init int raw_module_init(void) { int err; @@ -890,6 +921,8 @@ static __init int raw_module_init(void) err = can_proto_register(&raw_can_proto); if (err < 0) pr_err("can: registration of raw protocol failed\n"); + else + register_netdevice_notifier(&canraw_notifier); return err; } @@ -897,6 +930,7 @@ static __init int raw_module_init(void) static __exit void raw_module_exit(void) { can_proto_unregister(&raw_can_proto); + unregister_netdevice_notifier(&canraw_notifier); } module_init(raw_module_init); diff --git a/net/compat.c b/net/compat.c index ddd15af3a283..210fc3b4d0d8 100644 --- a/net/compat.c +++ b/net/compat.c @@ -177,7 +177,7 @@ int cmsghdr_from_user_compat_to_kern(struct msghdr *kmsg, struct sock *sk, if (kcmlen > stackbuf_size) kcmsg_base = kcmsg = sock_kmalloc(sk, kcmlen, GFP_KERNEL); if (kcmsg == NULL) - return -ENOBUFS; + return -ENOMEM; /* Now copy them over neatly. */ memset(kcmsg, 0, kcmlen); diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index 7bcfb16854cb..9258ffc4ebff 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -1168,7 +1168,7 @@ static void notify_rule_change(int event, struct fib_rule *rule, { struct net *net; struct sk_buff *skb; - int err = -ENOBUFS; + int err = -ENOMEM; net = ops->fro_net; skb = nlmsg_new(fib_rule_nlmsg_size(ops, rule), GFP_KERNEL); diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index dbc66b896287..5c9d95f30be6 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -650,6 +650,18 @@ void __put_net(struct net *net) } EXPORT_SYMBOL_GPL(__put_net); +/** + * get_net_ns - increment the refcount of the network namespace + * @ns: common namespace (net) + * + * Returns the net's common namespace. + */ +struct ns_common *get_net_ns(struct ns_common *ns) +{ + return &get_net(container_of(ns, struct net, ns))->ns; +} +EXPORT_SYMBOL_GPL(get_net_ns); + struct net *get_net_ns_by_fd(int fd) { struct file *file; diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index eae8e87930cd..dd4659246405 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -4842,6 +4842,10 @@ static int rtnl_bridge_notify(struct net_device *dev) if (err < 0) goto errout; + /* Notification info is only filled for bridge ports, not the bridge + * device itself. Therefore, a zero notification length is valid and + * should not result in an error. + */ if (!skb->len) goto errout; diff --git a/net/ethtool/strset.c b/net/ethtool/strset.c index c3a5489964cd..9908b922cce8 100644 --- a/net/ethtool/strset.c +++ b/net/ethtool/strset.c @@ -328,6 +328,8 @@ static int strset_reply_size(const struct ethnl_req_info *req_base, int len = 0; int ret; + len += nla_total_size(0); /* ETHTOOL_A_STRSET_STRINGSETS */ + for (i = 0; i < ETH_SS_COUNT; i++) { const struct strset_info *set_info = &data->sets[i]; diff --git a/net/ieee802154/nl802154.c b/net/ieee802154/nl802154.c index f0b47d43c9f6..b34e4f827e75 100644 --- a/net/ieee802154/nl802154.c +++ b/net/ieee802154/nl802154.c @@ -1298,19 +1298,20 @@ ieee802154_llsec_parse_dev_addr(struct nlattr *nla, if (!nla || nla_parse_nested_deprecated(attrs, NL802154_DEV_ADDR_ATTR_MAX, nla, nl802154_dev_addr_policy, NULL)) return -EINVAL; - if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || - !attrs[NL802154_DEV_ADDR_ATTR_MODE] || - !(attrs[NL802154_DEV_ADDR_ATTR_SHORT] || - attrs[NL802154_DEV_ADDR_ATTR_EXTENDED])) + if (!attrs[NL802154_DEV_ADDR_ATTR_PAN_ID] || !attrs[NL802154_DEV_ADDR_ATTR_MODE]) return -EINVAL; addr->pan_id = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_PAN_ID]); addr->mode = nla_get_u32(attrs[NL802154_DEV_ADDR_ATTR_MODE]); switch (addr->mode) { case NL802154_DEV_ADDR_SHORT: + if (!attrs[NL802154_DEV_ADDR_ATTR_SHORT]) + return -EINVAL; addr->short_addr = nla_get_le16(attrs[NL802154_DEV_ADDR_ATTR_SHORT]); break; case NL802154_DEV_ADDR_EXTENDED: + if (!attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]) + return -EINVAL; addr->extended_addr = nla_get_le64(attrs[NL802154_DEV_ADDR_ATTR_EXTENDED]); break; default: diff --git a/net/ipv4/cipso_ipv4.c b/net/ipv4/cipso_ipv4.c index be09c7669a79..ca217a6f488f 100644 --- a/net/ipv4/cipso_ipv4.c +++ b/net/ipv4/cipso_ipv4.c @@ -472,6 +472,7 @@ void cipso_v4_doi_free(struct cipso_v4_doi *doi_def) kfree(doi_def->map.std->lvl.local); kfree(doi_def->map.std->cat.cipso); kfree(doi_def->map.std->cat.local); + kfree(doi_def->map.std); break; } kfree(doi_def); diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index ff3818333fcf..b71b836cc7d1 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -759,6 +759,13 @@ void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, icmp_param.data_len = room; icmp_param.head_len = sizeof(struct icmphdr); + /* if we don't have a source address at this point, fall back to the + * dummy address instead of sending out a packet with a source address + * of 0.0.0.0 + */ + if (!fl4.saddr) + fl4.saddr = htonl(INADDR_DUMMY); + icmp_push_reply(&icmp_param, &fl4, &ipc, &rt); ende: ip_rt_put(rt); diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c index 7b272bbed2b4..6b3c558a4f23 100644 --- a/net/ipv4/igmp.c +++ b/net/ipv4/igmp.c @@ -1801,6 +1801,7 @@ void ip_mc_destroy_dev(struct in_device *in_dev) while ((i = rtnl_dereference(in_dev->mc_list)) != NULL) { in_dev->mc_list = i->next_rcu; in_dev->mc_count--; + ip_mc_clear_src(i); ip_ma_put(i); } } diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index 3cd13e1bc6a7..213a1c91507d 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -870,7 +870,7 @@ static void __init ic_bootp_send_if(struct ic_device *d, unsigned long jiffies_d /* - * Copy BOOTP-supplied string if not already set. + * Copy BOOTP-supplied string */ static int __init ic_bootp_string(char *dest, char *src, int len, int max) { @@ -919,12 +919,15 @@ static void __init ic_do_bootp_ext(u8 *ext) } break; case 12: /* Host name */ - ic_bootp_string(utsname()->nodename, ext+1, *ext, - __NEW_UTS_LEN); - ic_host_name_set = 1; + if (!ic_host_name_set) { + ic_bootp_string(utsname()->nodename, ext+1, *ext, + __NEW_UTS_LEN); + ic_host_name_set = 1; + } break; case 15: /* Domain name (DNS) */ - ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain)); + if (!ic_domain[0]) + ic_bootp_string(ic_domain, ext+1, *ext, sizeof(ic_domain)); break; case 17: /* Root path */ if (!root_server_path[0]) diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 798dc85bde5b..e968bb47d5bd 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2076,6 +2076,19 @@ martian_source: return err; } +/* get device for dst_alloc with local routes */ +static struct net_device *ip_rt_get_dev(struct net *net, + const struct fib_result *res) +{ + struct fib_nh_common *nhc = res->fi ? res->nhc : NULL; + struct net_device *dev = NULL; + + if (nhc) + dev = l3mdev_master_dev_rcu(nhc->nhc_dev); + + return dev ? : net->loopback_dev; +} + /* * NOTE. We drop all the packets that has local source * addresses, because every properly looped back packet @@ -2232,7 +2245,7 @@ local_input: } } - rth = rt_dst_alloc(l3mdev_master_dev_rcu(dev) ? : net->loopback_dev, + rth = rt_dst_alloc(ip_rt_get_dev(net, res), flags | RTCF_LOCAL, res->type, IN_DEV_CONF_GET(in_dev, NOPOLICY), false); if (!rth) diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index 9d28b2778e8f..fbb9a11fe4a3 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -2569,6 +2569,9 @@ void udp_destroy_sock(struct sock *sk) { struct udp_sock *up = udp_sk(sk); bool slow = lock_sock_fast(sk); + + /* protects from races with udp_abort() */ + sock_set_flag(sk, SOCK_DEAD); udp_flush_pending_frames(sk); unlock_sock_fast(sk, slow); if (static_branch_unlikely(&udp_encap_needed_key)) { @@ -2819,10 +2822,17 @@ int udp_abort(struct sock *sk, int err) { lock_sock(sk); + /* udp{v6}_destroy_sock() sets it under the sk lock, avoid racing + * with close() + */ + if (sock_flag(sk, SOCK_DEAD)) + goto out; + sk->sk_err = err; sk->sk_error_report(sk); __udp_disconnect(sk, 0); +out: release_sock(sk); return 0; diff --git a/net/ipv6/netfilter/nft_fib_ipv6.c b/net/ipv6/netfilter/nft_fib_ipv6.c index e204163c7036..92f3235fa287 100644 --- a/net/ipv6/netfilter/nft_fib_ipv6.c +++ b/net/ipv6/netfilter/nft_fib_ipv6.c @@ -135,6 +135,17 @@ void nft_fib6_eval_type(const struct nft_expr *expr, struct nft_regs *regs, } EXPORT_SYMBOL_GPL(nft_fib6_eval_type); +static bool nft_fib_v6_skip_icmpv6(const struct sk_buff *skb, u8 next, const struct ipv6hdr *iph) +{ + if (likely(next != IPPROTO_ICMPV6)) + return false; + + if (ipv6_addr_type(&iph->saddr) != IPV6_ADDR_ANY) + return false; + + return ipv6_addr_type(&iph->daddr) & IPV6_ADDR_LINKLOCAL; +} + void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) { @@ -163,10 +174,13 @@ void nft_fib6_eval(const struct nft_expr *expr, struct nft_regs *regs, lookup_flags = nft_fib6_flowi_init(&fl6, priv, pkt, oif, iph); - if (nft_hook(pkt) == NF_INET_PRE_ROUTING && - nft_fib_is_loopback(pkt->skb, nft_in(pkt))) { - nft_fib_store_result(dest, priv, nft_in(pkt)); - return; + if (nft_hook(pkt) == NF_INET_PRE_ROUTING || + nft_hook(pkt) == NF_INET_INGRESS) { + if (nft_fib_is_loopback(pkt->skb, nft_in(pkt)) || + nft_fib_v6_skip_icmpv6(pkt->skb, pkt->tprot, iph)) { + nft_fib_store_result(dest, priv, nft_in(pkt)); + return; + } } *dest = 0; diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 29d9691359b9..e2de58d6cdce 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1596,6 +1596,9 @@ void udpv6_destroy_sock(struct sock *sk) { struct udp_sock *up = udp_sk(sk); lock_sock(sk); + + /* protects from races with udp_abort() */ + sock_set_flag(sk, SOCK_DEAD); udp_v6_flush_pending_frames(sk); release_sock(sk); diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index d4cc9ac2d703..6b50cb5e0e3c 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -251,13 +251,24 @@ void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb) struct ieee80211_mgmt *mgmt = (void *)skb->data; struct ieee80211_bss *bss; struct ieee80211_channel *channel; + size_t min_hdr_len = offsetof(struct ieee80211_mgmt, + u.probe_resp.variable); + + if (!ieee80211_is_probe_resp(mgmt->frame_control) && + !ieee80211_is_beacon(mgmt->frame_control) && + !ieee80211_is_s1g_beacon(mgmt->frame_control)) + return; if (ieee80211_is_s1g_beacon(mgmt->frame_control)) { - if (skb->len < 15) - return; - } else if (skb->len < 24 || - (!ieee80211_is_probe_resp(mgmt->frame_control) && - !ieee80211_is_beacon(mgmt->frame_control))) + if (ieee80211_is_s1g_short_beacon(mgmt->frame_control)) + min_hdr_len = offsetof(struct ieee80211_ext, + u.s1g_short_beacon.variable); + else + min_hdr_len = offsetof(struct ieee80211_ext, + u.s1g_beacon); + } + + if (skb->len < min_hdr_len) return; sdata1 = rcu_dereference(local->scan_sdata); diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 1d8526d89505..20b3581a1c43 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2030,6 +2030,26 @@ void ieee80211_xmit(struct ieee80211_sub_if_data *sdata, ieee80211_tx(sdata, sta, skb, false); } +static bool ieee80211_validate_radiotap_len(struct sk_buff *skb) +{ + struct ieee80211_radiotap_header *rthdr = + (struct ieee80211_radiotap_header *)skb->data; + + /* check for not even having the fixed radiotap header part */ + if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header))) + return false; /* too short to be possibly valid */ + + /* is it a header version we can trust to find length from? */ + if (unlikely(rthdr->it_version)) + return false; /* only version 0 is supported */ + + /* does the skb contain enough to deliver on the alleged length? */ + if (unlikely(skb->len < ieee80211_get_radiotap_len(skb->data))) + return false; /* skb too short for claimed rt header extent */ + + return true; +} + bool ieee80211_parse_tx_radiotap(struct sk_buff *skb, struct net_device *dev) { @@ -2038,8 +2058,6 @@ bool ieee80211_parse_tx_radiotap(struct sk_buff *skb, struct ieee80211_radiotap_header *rthdr = (struct ieee80211_radiotap_header *) skb->data; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_supported_band *sband = - local->hw.wiphy->bands[info->band]; int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len, NULL); u16 txflags; @@ -2052,17 +2070,8 @@ bool ieee80211_parse_tx_radiotap(struct sk_buff *skb, u8 vht_mcs = 0, vht_nss = 0; int i; - /* check for not even having the fixed radiotap header part */ - if (unlikely(skb->len < sizeof(struct ieee80211_radiotap_header))) - return false; /* too short to be possibly valid */ - - /* is it a header version we can trust to find length from? */ - if (unlikely(rthdr->it_version)) - return false; /* only version 0 is supported */ - - /* does the skb contain enough to deliver on the alleged length? */ - if (unlikely(skb->len < ieee80211_get_radiotap_len(skb->data))) - return false; /* skb too short for claimed rt header extent */ + if (!ieee80211_validate_radiotap_len(skb)) + return false; info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | IEEE80211_TX_CTL_DONTFRAG; @@ -2186,6 +2195,9 @@ bool ieee80211_parse_tx_radiotap(struct sk_buff *skb, return false; if (rate_found) { + struct ieee80211_supported_band *sband = + local->hw.wiphy->bands[info->band]; + info->control.flags |= IEEE80211_TX_CTRL_RATE_INJECT; for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) { @@ -2199,7 +2211,7 @@ bool ieee80211_parse_tx_radiotap(struct sk_buff *skb, } else if (rate_flags & IEEE80211_TX_RC_VHT_MCS) { ieee80211_rate_set_vht(info->control.rates, vht_mcs, vht_nss); - } else { + } else if (sband) { for (i = 0; i < sband->n_bitrates; i++) { if (rate * 5 != sband->bitrates[i].bitrate) continue; @@ -2236,8 +2248,8 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, info->flags = IEEE80211_TX_CTL_REQ_TX_STATUS | IEEE80211_TX_CTL_INJECTED; - /* Sanity-check and process the injection radiotap header */ - if (!ieee80211_parse_tx_radiotap(skb, dev)) + /* Sanity-check the length of the radiotap header */ + if (!ieee80211_validate_radiotap_len(skb)) goto fail; /* we now know there is a radiotap header with a length we can use */ @@ -2353,6 +2365,14 @@ netdev_tx_t ieee80211_monitor_start_xmit(struct sk_buff *skb, info->band = chandef->chan->band; + /* + * Process the radiotap header. This will now take into account the + * selected chandef above to accurately set injection rates and + * retransmissions. + */ + if (!ieee80211_parse_tx_radiotap(skb, dev)) + goto fail_rcu; + /* remove the injection radiotap header */ skb_pull(skb, len_rthdr); diff --git a/net/mptcp/options.c b/net/mptcp/options.c index 91034a221983..ac0233c9cd34 100644 --- a/net/mptcp/options.c +++ b/net/mptcp/options.c @@ -314,6 +314,8 @@ void mptcp_get_options(const struct sk_buff *skb, length--; continue; default: + if (length < 2) + return; opsize = *ptr++; if (opsize < 2) /* "silly options" */ return; diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c index 7832b20baac2..3ca8b359e399 100644 --- a/net/mptcp/protocol.c +++ b/net/mptcp/protocol.c @@ -276,11 +276,13 @@ static bool __mptcp_move_skb(struct mptcp_sock *msk, struct sock *ssk, /* try to fetch required memory from subflow */ if (!sk_rmem_schedule(sk, skb, skb->truesize)) { - if (ssk->sk_forward_alloc < skb->truesize) - goto drop; - __sk_mem_reclaim(ssk, skb->truesize); - if (!sk_rmem_schedule(sk, skb, skb->truesize)) + int amount = sk_mem_pages(skb->truesize) << SK_MEM_QUANTUM_SHIFT; + + if (ssk->sk_forward_alloc < amount) goto drop; + + ssk->sk_forward_alloc -= amount; + sk->sk_forward_alloc += amount; } /* the skb map_seq accounts for the skb offset: diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 96b6aca9d0ae..851fb3d8c791 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -655,10 +655,10 @@ static u64 expand_seq(u64 old_seq, u16 old_data_len, u64 seq) return seq | ((old_seq + old_data_len + 1) & GENMASK_ULL(63, 32)); } -static void warn_bad_map(struct mptcp_subflow_context *subflow, u32 ssn) +static void dbg_bad_map(struct mptcp_subflow_context *subflow, u32 ssn) { - WARN_ONCE(1, "Bad mapping: ssn=%d map_seq=%d map_data_len=%d", - ssn, subflow->map_subflow_seq, subflow->map_data_len); + pr_debug("Bad mapping: ssn=%d map_seq=%d map_data_len=%d", + ssn, subflow->map_subflow_seq, subflow->map_data_len); } static bool skb_is_fully_mapped(struct sock *ssk, struct sk_buff *skb) @@ -683,13 +683,13 @@ static bool validate_mapping(struct sock *ssk, struct sk_buff *skb) /* Mapping covers data later in the subflow stream, * currently unsupported. */ - warn_bad_map(subflow, ssn); + dbg_bad_map(subflow, ssn); return false; } if (unlikely(!before(ssn, subflow->map_subflow_seq + subflow->map_data_len))) { /* Mapping does covers past subflow data, invalid */ - warn_bad_map(subflow, ssn + skb->len); + dbg_bad_map(subflow, ssn); return false; } return true; diff --git a/net/netfilter/nf_synproxy_core.c b/net/netfilter/nf_synproxy_core.c index d7d34a62d3bf..2fc4ae960769 100644 --- a/net/netfilter/nf_synproxy_core.c +++ b/net/netfilter/nf_synproxy_core.c @@ -31,6 +31,9 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, int length = (th->doff * 4) - sizeof(*th); u8 buf[40], *ptr; + if (unlikely(length < 0)) + return false; + ptr = skb_header_pointer(skb, doff + sizeof(*th), length, buf); if (ptr == NULL) return false; @@ -47,6 +50,8 @@ synproxy_parse_options(const struct sk_buff *skb, unsigned int doff, length--; continue; default: + if (length < 2) + return true; opsize = *ptr++; if (opsize < 2) return true; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index daca50d6bb12..e527f5686e2b 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -453,11 +453,13 @@ void netlink_table_ungrab(void) static inline void netlink_lock_table(void) { + unsigned long flags; + /* read_lock() synchronizes us to netlink_table_grab */ - read_lock(&nl_table_lock); + read_lock_irqsave(&nl_table_lock, flags); atomic_inc(&nl_table_users); - read_unlock(&nl_table_lock); + read_unlock_irqrestore(&nl_table_lock, flags); } static inline void diff --git a/net/nfc/rawsock.c b/net/nfc/rawsock.c index 9c7eb8455ba8..5f1d438a0a23 100644 --- a/net/nfc/rawsock.c +++ b/net/nfc/rawsock.c @@ -329,7 +329,7 @@ static int rawsock_create(struct net *net, struct socket *sock, return -ESOCKTNOSUPPORT; if (sock->type == SOCK_RAW) { - if (!capable(CAP_NET_RAW)) + if (!ns_capable(net->user_ns, CAP_NET_RAW)) return -EPERM; sock->ops = &rawsock_raw_ops; } else { diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c index 93a7edcff11e..0d9baddb9cd4 100644 --- a/net/qrtr/qrtr.c +++ b/net/qrtr/qrtr.c @@ -429,7 +429,7 @@ int qrtr_endpoint_post(struct qrtr_endpoint *ep, const void *data, size_t len) struct qrtr_sock *ipc; struct sk_buff *skb; struct qrtr_cb *cb; - unsigned int size; + size_t size; unsigned int ver; size_t hdrlen; diff --git a/net/rds/connection.c b/net/rds/connection.c index f2fcab182095..a3bc4b54d491 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -240,12 +240,23 @@ static struct rds_connection *__rds_conn_create(struct net *net, if (loop_trans) { rds_trans_put(loop_trans); conn->c_loopback = 1; - if (is_outgoing && trans->t_prefer_loopback) { - /* "outgoing" connection - and the transport - * says it wants the connection handled by the - * loopback transport. This is what TCP does. - */ - trans = &rds_loop_transport; + if (trans->t_prefer_loopback) { + if (likely(is_outgoing)) { + /* "outgoing" connection to local address. + * Protocol says it wants the connection + * handled by the loopback transport. + * This is what TCP does. + */ + trans = &rds_loop_transport; + } else { + /* No transport currently in use + * should end up here, but if it + * does, reset/destroy the connection. + */ + kmem_cache_free(rds_conn_slab, conn); + conn = ERR_PTR(-EOPNOTSUPP); + goto out; + } } } diff --git a/net/rds/recv.c b/net/rds/recv.c index aba4afe4dfed..967d115f97ef 100644 --- a/net/rds/recv.c +++ b/net/rds/recv.c @@ -714,7 +714,7 @@ int rds_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, if (rds_cmsg_recv(inc, msg, rs)) { ret = -EFAULT; - goto out; + break; } rds_recvmsg_zcookie(rs, msg); diff --git a/net/rds/tcp.c b/net/rds/tcp.c index 43db0eca911f..abf19c0e3ba0 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -313,8 +313,8 @@ out: } #endif -static int rds_tcp_laddr_check(struct net *net, const struct in6_addr *addr, - __u32 scope_id) +int rds_tcp_laddr_check(struct net *net, const struct in6_addr *addr, + __u32 scope_id) { struct net_device *dev = NULL; #if IS_ENABLED(CONFIG_IPV6) diff --git a/net/rds/tcp.h b/net/rds/tcp.h index bad9cf49d565..dc8d745d6857 100644 --- a/net/rds/tcp.h +++ b/net/rds/tcp.h @@ -59,7 +59,8 @@ u32 rds_tcp_snd_una(struct rds_tcp_connection *tc); u64 rds_tcp_map_seq(struct rds_tcp_connection *tc, u32 seq); extern struct rds_transport rds_tcp_transport; void rds_tcp_accept_work(struct sock *sk); - +int rds_tcp_laddr_check(struct net *net, const struct in6_addr *addr, + __u32 scope_id); /* tcp_connect.c */ int rds_tcp_conn_path_connect(struct rds_conn_path *cp); void rds_tcp_conn_path_shutdown(struct rds_conn_path *conn); diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 101cf14215a0..09cadd556d1e 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -167,6 +167,12 @@ int rds_tcp_accept_one(struct socket *sock) } #endif + if (!rds_tcp_laddr_check(sock_net(sock->sk), peer_addr, dev_if)) { + /* local address connection is only allowed via loopback */ + ret = -EOPNOTSUPP; + goto out; + } + conn = rds_conn_create(sock_net(sock->sk), my_addr, peer_addr, &rds_tcp_transport, 0, GFP_KERNEL, dev_if); diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c index 315a5b2f3add..7ef074c6dd16 100644 --- a/net/sched/act_ct.c +++ b/net/sched/act_ct.c @@ -900,14 +900,19 @@ static int tcf_ct_act_nat(struct sk_buff *skb, } err = ct_nat_execute(skb, ct, ctinfo, range, maniptype); - if (err == NF_ACCEPT && - ct->status & IPS_SRC_NAT && ct->status & IPS_DST_NAT) { - if (maniptype == NF_NAT_MANIP_SRC) - maniptype = NF_NAT_MANIP_DST; - else - maniptype = NF_NAT_MANIP_SRC; - - err = ct_nat_execute(skb, ct, ctinfo, range, maniptype); + if (err == NF_ACCEPT && ct->status & IPS_DST_NAT) { + if (ct->status & IPS_SRC_NAT) { + if (maniptype == NF_NAT_MANIP_SRC) + maniptype = NF_NAT_MANIP_DST; + else + maniptype = NF_NAT_MANIP_SRC; + + err = ct_nat_execute(skb, ct, ctinfo, range, + maniptype); + } else if (CTINFO2DIR(ctinfo) == IP_CT_DIR_ORIGINAL) { + err = ct_nat_execute(skb, ct, ctinfo, NULL, + NF_NAT_MANIP_SRC); + } } return err; #else diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c index 7d37638ee1c7..5c15968b5155 100644 --- a/net/sched/sch_cake.c +++ b/net/sched/sch_cake.c @@ -943,7 +943,7 @@ static struct tcphdr *cake_get_tcphdr(const struct sk_buff *skb, } tcph = skb_header_pointer(skb, offset, sizeof(_tcph), &_tcph); - if (!tcph) + if (!tcph || tcph->doff < 5) return NULL; return skb_header_pointer(skb, offset, @@ -967,6 +967,8 @@ static const void *cake_get_tcpopt(const struct tcphdr *tcph, length--; continue; } + if (length < 2) + break; opsize = *ptr++; if (opsize < 2 || opsize > length) break; @@ -1104,6 +1106,8 @@ static bool cake_tcph_may_drop(const struct tcphdr *tcph, length--; continue; } + if (length < 2) + break; opsize = *ptr++; if (opsize < 2 || opsize > length) break; diff --git a/net/socket.c b/net/socket.c index 6e6cccc2104f..002d5952ae5d 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1080,19 +1080,6 @@ static long sock_do_ioctl(struct net *net, struct socket *sock, * what to do with it - that's up to the protocol still. */ -/** - * get_net_ns - increment the refcount of the network namespace - * @ns: common namespace (net) - * - * Returns the net's common namespace. - */ - -struct ns_common *get_net_ns(struct ns_common *ns) -{ - return &get_net(container_of(ns, struct net, ns))->ns; -} -EXPORT_SYMBOL_GPL(get_net_ns); - static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg) { struct socket *sock; diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 41c3303c3357..39be4b52329b 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -535,12 +535,14 @@ static void unix_release_sock(struct sock *sk, int embrion) u->path.mnt = NULL; state = sk->sk_state; sk->sk_state = TCP_CLOSE; + + skpair = unix_peer(sk); + unix_peer(sk) = NULL; + unix_state_unlock(sk); wake_up_interruptible_all(&u->peer_wait); - skpair = unix_peer(sk); - if (skpair != NULL) { if (sk->sk_type == SOCK_STREAM || sk->sk_type == SOCK_SEQPACKET) { unix_state_lock(skpair); @@ -555,7 +557,6 @@ static void unix_release_sock(struct sock *sk, int embrion) unix_dgram_peer_wake_disconnect(sk, skpair); sock_put(skpair); /* It may now die */ - unix_peer(sk) = NULL; } /* Try to flush out this socket. Throw out buffers at least */ diff --git a/net/wireless/Makefile b/net/wireless/Makefile index 2eee93985ab0..af590ae606b6 100644 --- a/net/wireless/Makefile +++ b/net/wireless/Makefile @@ -28,7 +28,7 @@ $(obj)/shipped-certs.c: $(wildcard $(srctree)/$(src)/certs/*.hex) @$(kecho) " GEN $@" @(echo '#include "reg.h"'; \ echo 'const u8 shipped_regdb_certs[] = {'; \ - cat $^ ; \ + echo | cat - $^ ; \ echo '};'; \ echo 'unsigned int shipped_regdb_certs_len = sizeof(shipped_regdb_certs);'; \ ) > $@ diff --git a/net/wireless/pmsr.c b/net/wireless/pmsr.c index a95c79d18349..a817d8e3e4b3 100644 --- a/net/wireless/pmsr.c +++ b/net/wireless/pmsr.c @@ -324,6 +324,7 @@ void cfg80211_pmsr_complete(struct wireless_dev *wdev, gfp_t gfp) { struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); + struct cfg80211_pmsr_request *tmp, *prev, *to_free = NULL; struct sk_buff *msg; void *hdr; @@ -354,9 +355,20 @@ free_msg: nlmsg_free(msg); free_request: spin_lock_bh(&wdev->pmsr_lock); - list_del(&req->list); + /* + * cfg80211_pmsr_process_abort() may have already moved this request + * to the free list, and will free it later. In this case, don't free + * it here. + */ + list_for_each_entry_safe(tmp, prev, &wdev->pmsr_list, list) { + if (tmp == req) { + list_del(&req->list); + to_free = req; + break; + } + } spin_unlock_bh(&wdev->pmsr_lock); - kfree(req); + kfree(to_free); } EXPORT_SYMBOL_GPL(cfg80211_pmsr_complete); diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index e65a50192432..03ed170b8125 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -546,7 +546,7 @@ static int x25_create(struct net *net, struct socket *sock, int protocol, if (protocol) goto out; - rc = -ENOBUFS; + rc = -ENOMEM; if ((sk = x25_alloc_socket(net, kern)) == NULL) goto out; diff --git a/sound/core/seq/seq_timer.c b/sound/core/seq/seq_timer.c index 1645e4142e30..9863be6fd43e 100644 --- a/sound/core/seq/seq_timer.c +++ b/sound/core/seq/seq_timer.c @@ -297,8 +297,16 @@ int snd_seq_timer_open(struct snd_seq_queue *q) return err; } spin_lock_irq(&tmr->lock); - tmr->timeri = t; + if (tmr->timeri) + err = -EBUSY; + else + tmr->timeri = t; spin_unlock_irq(&tmr->lock); + if (err < 0) { + snd_timer_close(t); + snd_timer_instance_free(t); + return err; + } return 0; } diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c index e0faa6601966..5805c5de39fb 100644 --- a/sound/firewire/amdtp-stream.c +++ b/sound/firewire/amdtp-stream.c @@ -804,7 +804,7 @@ static void generate_pkt_descs(struct amdtp_stream *s, struct pkt_desc *descs, static inline void cancel_stream(struct amdtp_stream *s) { s->packet_index = -1; - if (current_work() == &s->period_work) + if (in_interrupt()) amdtp_stream_pcm_abort(s); WRITE_ONCE(s->pcm_buffer_pointer, SNDRV_PCM_POS_XRUN); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index cc13a68197f3..e46e43dac6bf 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -6560,6 +6560,7 @@ enum { ALC285_FIXUP_HP_SPECTRE_X360, ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP, ALC623_FIXUP_LENOVO_THINKSTATION_P340, + ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, }; static const struct hda_fixup alc269_fixups[] = { @@ -8132,6 +8133,15 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC283_FIXUP_HEADSET_MIC, }, + [ALC255_FIXUP_ACER_HEADPHONE_AND_MIC] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x21, 0x03211030 }, /* Change the Headphone location to Left */ + { } + }, + .chained = true, + .chain_id = ALC255_FIXUP_XIAOMI_HEADSET_MIC + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -8168,6 +8178,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x1025, 0x132a, "Acer TravelMate B114-21", ALC233_FIXUP_ACER_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x1330, "Acer TravelMate X514-51T", ALC255_FIXUP_ACER_HEADSET_MIC), SND_PCI_QUIRK(0x1025, 0x1430, "Acer TravelMate B311R-31", ALC256_FIXUP_ACER_MIC_NO_PRESENCE), + SND_PCI_QUIRK(0x1025, 0x1466, "Acer Aspire A515-56", ALC255_FIXUP_ACER_HEADPHONE_AND_MIC), SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z), SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS), SND_PCI_QUIRK(0x1028, 0x05bd, "Dell Latitude E6440", ALC292_FIXUP_DELL_E7X), @@ -8296,6 +8307,8 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x8519, "HP Spectre x360 15-df0xxx", ALC285_FIXUP_HP_SPECTRE_X360), SND_PCI_QUIRK(0x103c, 0x869d, "HP", ALC236_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x103c, 0x86c7, "HP Envy AiO 32", ALC274_FIXUP_HP_ENVY_GPIO), + SND_PCI_QUIRK(0x103c, 0x8716, "HP Elite Dragonfly G2 Notebook PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), + SND_PCI_QUIRK(0x103c, 0x8720, "HP EliteBook x360 1040 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8724, "HP EliteBook 850 G7", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8729, "HP", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8730, "HP ProBook 445 G7", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF), @@ -8314,10 +8327,12 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x87f5, "HP", ALC287_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x87f7, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP), SND_PCI_QUIRK(0x103c, 0x8846, "HP EliteBook 850 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED), + SND_PCI_QUIRK(0x103c, 0x884b, "HP EliteBook 840 Aero G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x884c, "HP EliteBook 840 G8 Notebook PC", ALC285_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x886d, "HP ZBook Fury 17.3 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8870, "HP ZBook Fury 15.6 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), SND_PCI_QUIRK(0x103c, 0x8873, "HP ZBook Studio 15.6 Inch G8 Mobile Workstation PC", ALC285_FIXUP_HP_GPIO_AMP_INIT), + SND_PCI_QUIRK(0x103c, 0x888d, "HP ZBook Power 15.6 inch G8 Mobile Workstation PC", ALC236_FIXUP_HP_GPIO_LED), SND_PCI_QUIRK(0x103c, 0x8896, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_MUTE_LED), SND_PCI_QUIRK(0x1043, 0x103e, "ASUS X540SA", ALC256_FIXUP_ASUS_MIC), SND_PCI_QUIRK(0x1043, 0x103f, "ASUS TX300", ALC282_FIXUP_ASUS_TX300), @@ -8722,6 +8737,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC285_FIXUP_HP_SPECTRE_X360, .name = "alc285-hp-spectre-x360"}, {.id = ALC287_FIXUP_IDEAPAD_BASS_SPK_AMP, .name = "alc287-ideapad-bass-spk-amp"}, {.id = ALC623_FIXUP_LENOVO_THINKSTATION_P340, .name = "alc623-lenovo-thinkstation-p340"}, + {.id = ALC255_FIXUP_ACER_HEADPHONE_AND_MIC, .name = "alc255-acer-headphone-and-mic"}, {} }; #define ALC225_STANDARD_PINS \ diff --git a/sound/soc/amd/raven/acp3x-pcm-dma.c b/sound/soc/amd/raven/acp3x-pcm-dma.c index 417cda24030c..2447a1e6e913 100644 --- a/sound/soc/amd/raven/acp3x-pcm-dma.c +++ b/sound/soc/amd/raven/acp3x-pcm-dma.c @@ -237,10 +237,6 @@ static int acp3x_dma_open(struct snd_soc_component *component, return ret; } - if (!adata->play_stream && !adata->capture_stream && - !adata->i2ssp_play_stream && !adata->i2ssp_capture_stream) - rv_writel(1, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB); - i2s_data->acp3x_base = adata->acp3x_base; runtime->private_data = i2s_data; return ret; @@ -367,12 +363,6 @@ static int acp3x_dma_close(struct snd_soc_component *component, } } - /* Disable ACP irq, when the current stream is being closed and - * another stream is also not active. - */ - if (!adata->play_stream && !adata->capture_stream && - !adata->i2ssp_play_stream && !adata->i2ssp_capture_stream) - rv_writel(0, adata->acp3x_base + mmACP_EXTERNAL_INTR_ENB); return 0; } diff --git a/sound/soc/amd/raven/acp3x.h b/sound/soc/amd/raven/acp3x.h index 03fe93913e12..c3f0c8b7545d 100644 --- a/sound/soc/amd/raven/acp3x.h +++ b/sound/soc/amd/raven/acp3x.h @@ -77,6 +77,7 @@ #define ACP_POWER_OFF_IN_PROGRESS 0x03 #define ACP3x_ITER_IRER_SAMP_LEN_MASK 0x38 +#define ACP_EXT_INTR_STAT_CLEAR_MASK 0xFFFFFFFF struct acp3x_platform_info { u16 play_i2s_instance; diff --git a/sound/soc/amd/raven/pci-acp3x.c b/sound/soc/amd/raven/pci-acp3x.c index 77f2d9389606..df83d2ce75ea 100644 --- a/sound/soc/amd/raven/pci-acp3x.c +++ b/sound/soc/amd/raven/pci-acp3x.c @@ -76,6 +76,19 @@ static int acp3x_reset(void __iomem *acp3x_base) return -ETIMEDOUT; } +static void acp3x_enable_interrupts(void __iomem *acp_base) +{ + rv_writel(0x01, acp_base + mmACP_EXTERNAL_INTR_ENB); +} + +static void acp3x_disable_interrupts(void __iomem *acp_base) +{ + rv_writel(ACP_EXT_INTR_STAT_CLEAR_MASK, acp_base + + mmACP_EXTERNAL_INTR_STAT); + rv_writel(0x00, acp_base + mmACP_EXTERNAL_INTR_CNTL); + rv_writel(0x00, acp_base + mmACP_EXTERNAL_INTR_ENB); +} + static int acp3x_init(struct acp3x_dev_data *adata) { void __iomem *acp3x_base = adata->acp3x_base; @@ -93,6 +106,7 @@ static int acp3x_init(struct acp3x_dev_data *adata) pr_err("ACP3x reset failed\n"); return ret; } + acp3x_enable_interrupts(acp3x_base); return 0; } @@ -100,6 +114,7 @@ static int acp3x_deinit(void __iomem *acp3x_base) { int ret; + acp3x_disable_interrupts(acp3x_base); /* Reset */ ret = acp3x_reset(acp3x_base); if (ret) { diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c index 4be24e7f51c8..f8e49e45ce33 100644 --- a/sound/soc/codecs/max98088.c +++ b/sound/soc/codecs/max98088.c @@ -41,6 +41,7 @@ struct max98088_priv { enum max98088_type devtype; struct max98088_pdata *pdata; struct clk *mclk; + unsigned char mclk_prescaler; unsigned int sysclk; struct max98088_cdata dai[2]; int eq_textcnt; @@ -998,13 +999,16 @@ static int max98088_dai1_hw_params(struct snd_pcm_substream *substream, /* Configure NI when operating as master */ if (snd_soc_component_read(component, M98088_REG_14_DAI1_FORMAT) & M98088_DAI_MAS) { + unsigned long pclk; + if (max98088->sysclk == 0) { dev_err(component->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; - do_div(ni, (unsigned long long int)max98088->sysclk); + pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler); + ni = DIV_ROUND_CLOSEST_ULL(ni, pclk); snd_soc_component_write(component, M98088_REG_12_DAI1_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_component_write(component, M98088_REG_13_DAI1_CLKCFG_LO, @@ -1065,13 +1069,16 @@ static int max98088_dai2_hw_params(struct snd_pcm_substream *substream, /* Configure NI when operating as master */ if (snd_soc_component_read(component, M98088_REG_1C_DAI2_FORMAT) & M98088_DAI_MAS) { + unsigned long pclk; + if (max98088->sysclk == 0) { dev_err(component->dev, "Invalid system clock frequency\n"); return -EINVAL; } ni = 65536ULL * (rate < 50000 ? 96ULL : 48ULL) * (unsigned long long int)rate; - do_div(ni, (unsigned long long int)max98088->sysclk); + pclk = DIV_ROUND_CLOSEST(max98088->sysclk, max98088->mclk_prescaler); + ni = DIV_ROUND_CLOSEST_ULL(ni, pclk); snd_soc_component_write(component, M98088_REG_1A_DAI2_CLKCFG_HI, (ni >> 8) & 0x7F); snd_soc_component_write(component, M98088_REG_1B_DAI2_CLKCFG_LO, @@ -1113,8 +1120,10 @@ static int max98088_dai_set_sysclk(struct snd_soc_dai *dai, */ if ((freq >= 10000000) && (freq < 20000000)) { snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x10); + max98088->mclk_prescaler = 1; } else if ((freq >= 20000000) && (freq < 30000000)) { snd_soc_component_write(component, M98088_REG_10_SYS_CLK, 0x20); + max98088->mclk_prescaler = 2; } else { dev_err(component->dev, "Invalid master clock frequency\n"); return -EINVAL; diff --git a/sound/soc/codecs/rt5659.c b/sound/soc/codecs/rt5659.c index 91a4ef7f620c..a9b079d56fd6 100644 --- a/sound/soc/codecs/rt5659.c +++ b/sound/soc/codecs/rt5659.c @@ -2433,13 +2433,18 @@ static int set_dmic_power(struct snd_soc_dapm_widget *w, return 0; } -static const struct snd_soc_dapm_widget rt5659_dapm_widgets[] = { +static const struct snd_soc_dapm_widget rt5659_particular_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("LDO2", RT5659_PWR_ANLG_3, RT5659_PWR_LDO2_BIT, 0, NULL, 0), - SND_SOC_DAPM_SUPPLY("PLL", RT5659_PWR_ANLG_3, RT5659_PWR_PLL_BIT, 0, - NULL, 0), + SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5659_PWR_ANLG_2, RT5659_PWR_MB1_BIT, + 0, NULL, 0), SND_SOC_DAPM_SUPPLY("Mic Det Power", RT5659_PWR_VOL, RT5659_PWR_MIC_DET_BIT, 0, NULL, 0), +}; + +static const struct snd_soc_dapm_widget rt5659_dapm_widgets[] = { + SND_SOC_DAPM_SUPPLY("PLL", RT5659_PWR_ANLG_3, RT5659_PWR_PLL_BIT, 0, + NULL, 0), SND_SOC_DAPM_SUPPLY("Mono Vref", RT5659_PWR_ANLG_1, RT5659_PWR_VREF3_BIT, 0, NULL, 0), @@ -2464,8 +2469,6 @@ static const struct snd_soc_dapm_widget rt5659_dapm_widgets[] = { RT5659_ADC_MONO_R_ASRC_SFT, 0, NULL, 0), /* Input Side */ - SND_SOC_DAPM_SUPPLY("MICBIAS1", RT5659_PWR_ANLG_2, RT5659_PWR_MB1_BIT, - 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MICBIAS2", RT5659_PWR_ANLG_2, RT5659_PWR_MB2_BIT, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("MICBIAS3", RT5659_PWR_ANLG_2, RT5659_PWR_MB3_BIT, @@ -3660,10 +3663,23 @@ static int rt5659_set_bias_level(struct snd_soc_component *component, static int rt5659_probe(struct snd_soc_component *component) { + struct snd_soc_dapm_context *dapm = + snd_soc_component_get_dapm(component); struct rt5659_priv *rt5659 = snd_soc_component_get_drvdata(component); rt5659->component = component; + switch (rt5659->pdata.jd_src) { + case RT5659_JD_HDA_HEADER: + break; + + default: + snd_soc_dapm_new_controls(dapm, + rt5659_particular_dapm_widgets, + ARRAY_SIZE(rt5659_particular_dapm_widgets)); + break; + } + return 0; } diff --git a/sound/soc/codecs/rt5682-sdw.c b/sound/soc/codecs/rt5682-sdw.c index 58fb13132602..aa6c325faeab 100644 --- a/sound/soc/codecs/rt5682-sdw.c +++ b/sound/soc/codecs/rt5682-sdw.c @@ -455,7 +455,8 @@ static int rt5682_io_init(struct device *dev, struct sdw_slave *slave) regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2, RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL); - regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd042); + regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd142); + regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_5, 0x0700, 0x0600); regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_3, RT5682_CBJ_IN_BUF_EN, RT5682_CBJ_IN_BUF_EN); regmap_update_bits(rt5682->regmap, RT5682_SAR_IL_CMD_1, diff --git a/sound/soc/codecs/sti-sas.c b/sound/soc/codecs/sti-sas.c index ec9933b054ad..423daac9d5a9 100644 --- a/sound/soc/codecs/sti-sas.c +++ b/sound/soc/codecs/sti-sas.c @@ -411,6 +411,7 @@ static const struct of_device_id sti_sas_dev_match[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, sti_sas_dev_match); static int sti_sas_driver_probe(struct platform_device *pdev) { diff --git a/sound/soc/codecs/tas2562.h b/sound/soc/codecs/tas2562.h index 81866aeb3fbf..55b2a1f52ca3 100644 --- a/sound/soc/codecs/tas2562.h +++ b/sound/soc/codecs/tas2562.h @@ -57,13 +57,13 @@ #define TAS2562_TDM_CFG0_RAMPRATE_MASK BIT(5) #define TAS2562_TDM_CFG0_RAMPRATE_44_1 BIT(5) #define TAS2562_TDM_CFG0_SAMPRATE_MASK GENMASK(3, 1) -#define TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ 0x0 -#define TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ 0x1 -#define TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ 0x2 -#define TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ 0x3 -#define TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ 0x4 -#define TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ 0x5 -#define TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ 0x6 +#define TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ (0x0 << 1) +#define TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ (0x1 << 1) +#define TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ (0x2 << 1) +#define TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ (0x3 << 1) +#define TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ (0x4 << 1) +#define TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ (0x5 << 1) +#define TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ (0x6 << 1) #define TAS2562_TDM_CFG2_RIGHT_JUSTIFY BIT(6) diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index a2dd3b6b7fec..7cd14d6b9436 100644 --- a/sound/soc/fsl/fsl-asoc-card.c +++ b/sound/soc/fsl/fsl-asoc-card.c @@ -720,6 +720,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) /* Initialize sound card */ priv->pdev = pdev; priv->card.dev = &pdev->dev; + priv->card.owner = THIS_MODULE; ret = snd_soc_of_parse_card_name(&priv->card, "model"); if (ret) { snprintf(priv->name, sizeof(priv->name), "%s-audio", diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c index 1ef0464249d1..ca14730232ba 100644 --- a/sound/soc/intel/boards/bytcr_rt5640.c +++ b/sound/soc/intel/boards/bytcr_rt5640.c @@ -570,6 +570,17 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { BYT_RT5640_SSP0_AIF1 | BYT_RT5640_MCLK_EN), }, + { /* Glavey TM800A550L */ + .matches = { + DMI_MATCH(DMI_BOARD_VENDOR, "AMI Corporation"), + DMI_MATCH(DMI_BOARD_NAME, "Aptio CRB"), + /* Above strings are too generic, also match on BIOS version */ + DMI_MATCH(DMI_BIOS_VERSION, "ZY-8-BI-PX4S70VTR400-X423B-005-D"), + }, + .driver_data = (void *)(BYTCR_INPUT_DEFAULTS | + BYT_RT5640_SSP0_AIF1 | + BYT_RT5640_MCLK_EN), + }, { .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), @@ -648,6 +659,20 @@ static const struct dmi_system_id byt_rt5640_quirk_table[] = { BYT_RT5640_MONO_SPEAKER | BYT_RT5640_MCLK_EN), }, + { /* Lenovo Miix 3-830 */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LENOVO"), + DMI_EXACT_MATCH(DMI_PRODUCT_VERSION, "Lenovo MIIX 3-830"), + }, + .driver_data = (void *)(BYT_RT5640_IN1_MAP | + BYT_RT5640_JD_SRC_JD2_IN4N | + BYT_RT5640_OVCD_TH_2000UA | + BYT_RT5640_OVCD_SF_0P75 | + BYT_RT5640_MONO_SPEAKER | + BYT_RT5640_DIFF_MIC | + BYT_RT5640_SSP0_AIF1 | + BYT_RT5640_MCLK_EN), + }, { /* Linx Linx7 tablet */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "LINX"), diff --git a/sound/soc/qcom/lpass-cpu.c b/sound/soc/qcom/lpass-cpu.c index 7a30a12519a7..e620a62ef534 100644 --- a/sound/soc/qcom/lpass-cpu.c +++ b/sound/soc/qcom/lpass-cpu.c @@ -93,8 +93,30 @@ static void lpass_cpu_daiops_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + struct lpaif_i2sctl *i2sctl = drvdata->i2sctl; + unsigned int id = dai->driver->id; clk_disable_unprepare(drvdata->mi2s_osr_clk[dai->driver->id]); + /* + * Ensure LRCLK is disabled even in device node validation. + * Will not impact if disabled in lpass_cpu_daiops_trigger() + * suspend. + */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + regmap_fields_write(i2sctl->spken, id, LPAIF_I2SCTL_SPKEN_DISABLE); + else + regmap_fields_write(i2sctl->micen, id, LPAIF_I2SCTL_MICEN_DISABLE); + + /* + * BCLK may not be enabled if lpass_cpu_daiops_prepare is called before + * lpass_cpu_daiops_shutdown. It's paired with the clk_enable in + * lpass_cpu_daiops_prepare. + */ + if (drvdata->mi2s_was_prepared[dai->driver->id]) { + drvdata->mi2s_was_prepared[dai->driver->id] = false; + clk_disable(drvdata->mi2s_bit_clk[dai->driver->id]); + } + clk_unprepare(drvdata->mi2s_bit_clk[dai->driver->id]); } @@ -275,6 +297,18 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + /* + * Ensure lpass BCLK/LRCLK is enabled during + * device resume as lpass_cpu_daiops_prepare() is not called + * after the device resumes. We don't check mi2s_was_prepared before + * enable/disable BCLK in trigger events because: + * 1. These trigger events are paired, so the BCLK + * enable_count is balanced. + * 2. the BCLK can be shared (ex: headset and headset mic), + * we need to increase the enable_count so that we don't + * turn off the shared BCLK while other devices are using + * it. + */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { ret = regmap_fields_write(i2sctl->spken, id, LPAIF_I2SCTL_SPKEN_ENABLE); @@ -296,6 +330,10 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + /* + * To ensure lpass BCLK/LRCLK is disabled during + * device suspend. + */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { ret = regmap_fields_write(i2sctl->spken, id, LPAIF_I2SCTL_SPKEN_DISABLE); @@ -315,12 +353,53 @@ static int lpass_cpu_daiops_trigger(struct snd_pcm_substream *substream, return ret; } +static int lpass_cpu_daiops_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct lpass_data *drvdata = snd_soc_dai_get_drvdata(dai); + struct lpaif_i2sctl *i2sctl = drvdata->i2sctl; + unsigned int id = dai->driver->id; + int ret; + + /* + * Ensure lpass BCLK/LRCLK is enabled bit before playback/capture + * data flow starts. This allows other codec to have some delay before + * the data flow. + * (ex: to drop start up pop noise before capture starts). + */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + ret = regmap_fields_write(i2sctl->spken, id, LPAIF_I2SCTL_SPKEN_ENABLE); + else + ret = regmap_fields_write(i2sctl->micen, id, LPAIF_I2SCTL_MICEN_ENABLE); + + if (ret) { + dev_err(dai->dev, "error writing to i2sctl reg: %d\n", ret); + return ret; + } + + /* + * Check mi2s_was_prepared before enabling BCLK as lpass_cpu_daiops_prepare can + * be called multiple times. It's paired with the clk_disable in + * lpass_cpu_daiops_shutdown. + */ + if (!drvdata->mi2s_was_prepared[dai->driver->id]) { + ret = clk_enable(drvdata->mi2s_bit_clk[id]); + if (ret) { + dev_err(dai->dev, "error in enabling mi2s bit clk: %d\n", ret); + return ret; + } + drvdata->mi2s_was_prepared[dai->driver->id] = true; + } + return 0; +} + const struct snd_soc_dai_ops asoc_qcom_lpass_cpu_dai_ops = { .set_sysclk = lpass_cpu_daiops_set_sysclk, .startup = lpass_cpu_daiops_startup, .shutdown = lpass_cpu_daiops_shutdown, .hw_params = lpass_cpu_daiops_hw_params, .trigger = lpass_cpu_daiops_trigger, + .prepare = lpass_cpu_daiops_prepare, }; EXPORT_SYMBOL_GPL(asoc_qcom_lpass_cpu_dai_ops); diff --git a/sound/soc/qcom/lpass.h b/sound/soc/qcom/lpass.h index 1d926dd5f590..0484ad39b3dc 100644 --- a/sound/soc/qcom/lpass.h +++ b/sound/soc/qcom/lpass.h @@ -67,6 +67,10 @@ struct lpass_data { /* MI2S SD lines to use for playback/capture */ unsigned int mi2s_playback_sd_mode[LPASS_MAX_MI2S_PORTS]; unsigned int mi2s_capture_sd_mode[LPASS_MAX_MI2S_PORTS]; + + /* The state of MI2S prepare dai_ops was called */ + bool mi2s_was_prepared[LPASS_MAX_MI2S_PORTS]; + int hdmi_port_enable; /* low-power audio interface (LPAIF) registers */ diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index bf65cba232e6..b22674e3a89c 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -2231,6 +2231,8 @@ static char *fmt_single_name(struct device *dev, int *id) return NULL; name = devm_kstrdup(dev, devname, GFP_KERNEL); + if (!name) + return NULL; /* are we a "%s.%d" name (platform and SPI components) */ found = strstr(name, dev->driver->name); diff --git a/tools/bootconfig/main.c b/tools/bootconfig/main.c index 7362bef1a368..6cd6080cac04 100644 --- a/tools/bootconfig/main.c +++ b/tools/bootconfig/main.c @@ -399,6 +399,7 @@ static int apply_xbc(const char *path, const char *xbc_path) } /* TODO: Ensure the @path is initramfs/initrd image */ if (fstat(fd, &stat) < 0) { + ret = -errno; pr_err("Failed to get the size of %s\n", path); goto out; } diff --git a/tools/include/uapi/linux/in.h b/tools/include/uapi/linux/in.h index 7d6687618d80..d1b327036ae4 100644 --- a/tools/include/uapi/linux/in.h +++ b/tools/include/uapi/linux/in.h @@ -289,6 +289,9 @@ struct sockaddr_in { /* Address indicating an error return. */ #define INADDR_NONE ((unsigned long int) 0xffffffff) +/* Dummy address for src of ICMP replies if no real address is set (RFC7600). */ +#define INADDR_DUMMY ((unsigned long int) 0xc0000008) + /* Network number for local host loopback. */ #define IN_LOOPBACKNET 127 diff --git a/tools/lib/bpf/xsk.c b/tools/lib/bpf/xsk.c index 7150e34cf2af..3028f932e10c 100644 --- a/tools/lib/bpf/xsk.c +++ b/tools/lib/bpf/xsk.c @@ -779,7 +779,7 @@ int xsk_socket__create_shared(struct xsk_socket **xsk_ptr, goto out_put_ctx; } if (xsk->fd == umem->fd) - umem->rx_ring_setup_done = true; + umem->tx_ring_setup_done = true; } err = xsk_get_mmap_offsets(xsk->fd, &off); diff --git a/tools/perf/trace/beauty/include/linux/socket.h b/tools/perf/trace/beauty/include/linux/socket.h index e9cb30d8cbfb..9aa530d497da 100644 --- a/tools/perf/trace/beauty/include/linux/socket.h +++ b/tools/perf/trace/beauty/include/linux/socket.h @@ -437,6 +437,4 @@ extern int __sys_getpeername(int fd, struct sockaddr __user *usockaddr, extern int __sys_socketpair(int family, int type, int protocol, int __user *usockvec); extern int __sys_shutdown(int fd, int how); - -extern struct ns_common *get_net_ns(struct ns_common *ns); #endif /* _LINUX_SOCKET_H */ diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 63b619084b34..9dddec19a494 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1699,6 +1699,7 @@ int perf_session__peek_event(struct perf_session *session, off_t file_offset, if (event->header.size < hdr_sz || event->header.size > buf_sz) return -1; + buf += hdr_sz; rest = event->header.size - hdr_sz; if (readn(fd, buf, rest) != (ssize_t)rest) diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh index 2b5707738609..6fad54c7ecb4 100755 --- a/tools/testing/selftests/net/fib_tests.sh +++ b/tools/testing/selftests/net/fib_tests.sh @@ -1384,12 +1384,37 @@ ipv4_rt_replace() ipv4_rt_replace_mpath } +# checks that cached input route on VRF port is deleted +# when VRF is deleted +ipv4_local_rt_cache() +{ + run_cmd "ip addr add 10.0.0.1/32 dev lo" + run_cmd "ip netns add test-ns" + run_cmd "ip link add veth-outside type veth peer name veth-inside" + run_cmd "ip link add vrf-100 type vrf table 1100" + run_cmd "ip link set veth-outside master vrf-100" + run_cmd "ip link set veth-inside netns test-ns" + run_cmd "ip link set veth-outside up" + run_cmd "ip link set vrf-100 up" + run_cmd "ip route add 10.1.1.1/32 dev veth-outside table 1100" + run_cmd "ip netns exec test-ns ip link set veth-inside up" + run_cmd "ip netns exec test-ns ip addr add 10.1.1.1/32 dev veth-inside" + run_cmd "ip netns exec test-ns ip route add 10.0.0.1/32 dev veth-inside" + run_cmd "ip netns exec test-ns ip route add default via 10.0.0.1" + run_cmd "ip netns exec test-ns ping 10.0.0.1 -c 1 -i 1" + run_cmd "ip link delete vrf-100" + + # if we do not hang test is a success + log_test $? 0 "Cached route removed from VRF port device" +} + ipv4_route_test() { route_setup ipv4_rt_add ipv4_rt_replace + ipv4_local_rt_cache route_cleanup } diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.sh b/tools/testing/selftests/net/mptcp/mptcp_connect.sh index e927df83efb9..987a914ee0df 100755 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.sh +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.sh @@ -195,9 +195,6 @@ ip -net "$ns4" link set ns4eth3 up ip -net "$ns4" route add default via 10.0.3.2 ip -net "$ns4" route add default via dead:beef:3::2 -# use TCP syn cookies, even if no flooding was detected. -ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=2 - set_ethtool_flags() { local ns="$1" local dev="$2" @@ -666,6 +663,14 @@ for sender in $ns1 $ns2 $ns3 $ns4;do exit $ret fi + # ns1<->ns2 is not subject to reordering/tc delays. Use it to test + # mptcp syncookie support. + if [ $sender = $ns1 ]; then + ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=2 + else + ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=1 + fi + run_tests "$ns2" $sender 10.0.1.2 run_tests "$ns2" $sender dead:beef:1::2 run_tests "$ns2" $sender 10.0.2.1 |