diff options
author | 2022-01-15 12:09:44 -0800 | |
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committer | 2022-01-15 12:09:44 -0800 | |
commit | 762f99f4f3cb41a775b5157dd761217beba65873 (patch) | |
tree | 2e93410a577dfff1202ea5b0d109460b97650e58 /include/linux | |
parent | Input: zinitix - make sure the IRQ is allocated before it gets enabled (diff) | |
parent | Input: ti_am335x_tsc - fix a typo in a comment (diff) | |
download | wireguard-linux-762f99f4f3cb41a775b5157dd761217beba65873.tar.xz wireguard-linux-762f99f4f3cb41a775b5157dd761217beba65873.zip |
Merge branch 'next' into for-linus
Prepare input updates for 5.17 merge window.
Diffstat (limited to 'include/linux')
586 files changed, 17445 insertions, 11126 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index c60745f657e9..974d497a897d 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -132,6 +132,7 @@ enum acpi_address_range_id { union acpi_subtable_headers { struct acpi_subtable_header common; struct acpi_hmat_structure hmat; + struct acpi_prmt_module_header prmt; }; typedef int (*acpi_tbl_table_handler)(struct acpi_table_header *table); @@ -248,7 +249,7 @@ void acpi_table_print_madt_entry (struct acpi_subtable_header *madt); /* the following numa functions are architecture-dependent */ void acpi_numa_slit_init (struct acpi_table_slit *slit); -#if defined(CONFIG_X86) || defined(CONFIG_IA64) +#if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_LOONGARCH) void acpi_numa_processor_affinity_init (struct acpi_srat_cpu_affinity *pa); #else static inline void @@ -259,9 +260,12 @@ void acpi_numa_x2apic_affinity_init(struct acpi_srat_x2apic_cpu_affinity *pa); #ifdef CONFIG_ARM64 void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa); +void acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size); #else static inline void acpi_numa_gicc_affinity_init(struct acpi_srat_gicc_affinity *pa) { } +static inline void +acpi_arch_dma_setup(struct device *dev, u64 *dma_addr, u64 *dma_size) { } #endif int acpi_numa_memory_affinity_init (struct acpi_srat_mem_affinity *ma); @@ -551,6 +555,7 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context); #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT 0x00001000 #define OSC_SB_GENERIC_INITIATOR_SUPPORT 0x00002000 #define OSC_SB_NATIVE_USB4_SUPPORT 0x00040000 +#define OSC_SB_PRM_SUPPORT 0x00200000 extern bool osc_sb_apei_support_acked; extern bool osc_pc_lpi_support_confirmed; @@ -666,7 +671,6 @@ extern bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv); int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); int acpi_device_modalias(struct device *, char *, int); -void acpi_walk_dep_device_list(acpi_handle handle); struct platform_device *acpi_create_platform_device(struct acpi_device *, struct property_entry *); @@ -710,6 +714,8 @@ static inline u64 acpi_arch_get_root_pointer(void) } #endif +int acpi_get_local_address(acpi_handle handle, u32 *addr); + #else /* !CONFIG_ACPI */ #define acpi_disabled 1 @@ -765,7 +771,7 @@ static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) return false; } -static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) +static inline struct acpi_device *to_acpi_device_node(const struct fwnode_handle *fwnode) { return NULL; } @@ -775,12 +781,12 @@ static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) return false; } -static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) +static inline struct acpi_data_node *to_acpi_data_node(const struct fwnode_handle *fwnode) { return NULL; } -static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, +static inline bool acpi_data_node_match(const struct fwnode_handle *fwnode, const char *name) { return false; @@ -911,7 +917,7 @@ acpi_create_platform_device(struct acpi_device *adev, return NULL; } -static inline bool acpi_dma_supported(struct acpi_device *adev) +static inline bool acpi_dma_supported(const struct acpi_device *adev) { return false; } @@ -965,6 +971,11 @@ static inline struct acpi_device *acpi_resource_consumer(struct resource *res) return NULL; } +static inline int acpi_get_local_address(acpi_handle handle, u32 *addr) +{ + return -ENODEV; +} + #endif /* !CONFIG_ACPI */ #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC @@ -1004,6 +1015,7 @@ int acpi_dev_resume(struct device *dev); int acpi_subsys_runtime_suspend(struct device *dev); int acpi_subsys_runtime_resume(struct device *dev); int acpi_dev_pm_attach(struct device *dev, bool power_on); +bool acpi_storage_d3(struct device *dev); #else static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } @@ -1011,6 +1023,10 @@ static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) { return 0; } +static inline bool acpi_storage_d3(struct device *dev) +{ + return false; +} #endif #if defined(CONFIG_ACPI) && defined(CONFIG_PM_SLEEP) @@ -1096,6 +1112,8 @@ void __acpi_handle_debug(struct _ddebug *descriptor, acpi_handle handle, const c #if defined(CONFIG_ACPI) && defined(CONFIG_GPIOLIB) bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, struct acpi_resource_gpio **agpio); +bool acpi_gpio_get_io_resource(struct acpi_resource *ares, + struct acpi_resource_gpio **agpio); int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index); #else static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, @@ -1103,6 +1121,11 @@ static inline bool acpi_gpio_get_irq_resource(struct acpi_resource *ares, { return false; } +static inline bool acpi_gpio_get_io_resource(struct acpi_resource *ares, + struct acpi_resource_gpio **agpio) +{ + return false; +} static inline int acpi_dev_gpio_irq_get_by(struct acpi_device *adev, const char *name, int index) { @@ -1357,13 +1380,11 @@ static inline int find_acpi_cpu_cache_topology(unsigned int cpu, int level) #endif #ifdef CONFIG_ACPI -extern int acpi_platform_notify(struct device *dev, enum kobject_action action); +extern void acpi_device_notify(struct device *dev); +extern void acpi_device_notify_remove(struct device *dev); #else -static inline int -acpi_platform_notify(struct device *dev, enum kobject_action action) -{ - return 0; -} +static inline void acpi_device_notify(struct device *dev) { } +static inline void acpi_device_notify_remove(struct device *dev) { } #endif #endif /*_LINUX_ACPI_H*/ diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h index 1a12baa58e40..f1f0842a2cb2 100644 --- a/include/linux/acpi_iort.h +++ b/include/linux/acpi_iort.h @@ -34,9 +34,8 @@ struct irq_domain *iort_get_device_domain(struct device *dev, u32 id, void acpi_configure_pmsi_domain(struct device *dev); int iort_pmsi_get_dev_id(struct device *dev, u32 *dev_id); /* IOMMU interface */ -void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size); -const struct iommu_ops *iort_iommu_configure_id(struct device *dev, - const u32 *id_in); +int iort_dma_get_ranges(struct device *dev, u64 *size); +int iort_iommu_configure_id(struct device *dev, const u32 *id_in); int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head); phys_addr_t acpi_iort_dma_get_max_cpu_address(void); #else @@ -48,11 +47,10 @@ static inline struct irq_domain *iort_get_device_domain( { return NULL; } static inline void acpi_configure_pmsi_domain(struct device *dev) { } /* IOMMU interface */ -static inline void iort_dma_setup(struct device *dev, u64 *dma_addr, - u64 *size) { } -static inline const struct iommu_ops *iort_iommu_configure_id( - struct device *dev, const u32 *id_in) -{ return NULL; } +static inline int iort_dma_get_ranges(struct device *dev, u64 *size) +{ return -ENODEV; } +static inline int iort_iommu_configure_id(struct device *dev, const u32 *id_in) +{ return -ENODEV; } static inline int iort_iommu_msi_get_resv_regions(struct device *dev, struct list_head *head) { return 0; } diff --git a/include/linux/acpi_mdio.h b/include/linux/acpi_mdio.h new file mode 100644 index 000000000000..0a24ab7cb66f --- /dev/null +++ b/include/linux/acpi_mdio.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * ACPI helper for the MDIO (Ethernet PHY) API + */ + +#ifndef __LINUX_ACPI_MDIO_H +#define __LINUX_ACPI_MDIO_H + +#include <linux/phy.h> + +#if IS_ENABLED(CONFIG_ACPI_MDIO) +int acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode); +#else /* CONFIG_ACPI_MDIO */ +static inline int +acpi_mdiobus_register(struct mii_bus *mdio, struct fwnode_handle *fwnode) +{ + /* + * Fall back to mdiobus_register() function to register a bus. + * This way, we don't have to keep compat bits around in drivers. + */ + + return mdiobus_register(mdio); +} +#endif + +#endif /* __LINUX_ACPI_MDIO_H */ diff --git a/include/linux/acpi_viot.h b/include/linux/acpi_viot.h new file mode 100644 index 000000000000..1eb8ee5b0e5f --- /dev/null +++ b/include/linux/acpi_viot.h @@ -0,0 +1,19 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef __ACPI_VIOT_H__ +#define __ACPI_VIOT_H__ + +#include <linux/acpi.h> + +#ifdef CONFIG_ACPI_VIOT +void __init acpi_viot_init(void); +int viot_iommu_configure(struct device *dev); +#else +static inline void acpi_viot_init(void) {} +static inline int viot_iommu_configure(struct device *dev) +{ + return -ENODEV; +} +#endif + +#endif /* __ACPI_VIOT_H__ */ diff --git a/include/linux/adreno-smmu-priv.h b/include/linux/adreno-smmu-priv.h index a889f28afb42..c637e0997f6d 100644 --- a/include/linux/adreno-smmu-priv.h +++ b/include/linux/adreno-smmu-priv.h @@ -9,6 +9,32 @@ #include <linux/io-pgtable.h> /** + * struct adreno_smmu_fault_info - container for key fault information + * + * @far: The faulting IOVA from ARM_SMMU_CB_FAR + * @ttbr0: The current TTBR0 pagetable from ARM_SMMU_CB_TTBR0 + * @contextidr: The value of ARM_SMMU_CB_CONTEXTIDR + * @fsr: The fault status from ARM_SMMU_CB_FSR + * @fsynr0: The value of FSYNR0 from ARM_SMMU_CB_FSYNR0 + * @fsynr1: The value of FSYNR1 from ARM_SMMU_CB_FSYNR0 + * @cbfrsynra: The value of CBFRSYNRA from ARM_SMMU_GR1_CBFRSYNRA(idx) + * + * This struct passes back key page fault information to the GPU driver + * through the get_fault_info function pointer. + * The GPU driver can use this information to print informative + * log messages and provide deeper GPU specific insight into the fault. + */ +struct adreno_smmu_fault_info { + u64 far; + u64 ttbr0; + u32 contextidr; + u32 fsr; + u32 fsynr0; + u32 fsynr1; + u32 cbfrsynra; +}; + +/** * struct adreno_smmu_priv - private interface between adreno-smmu and GPU * * @cookie: An opque token provided by adreno-smmu and passed @@ -17,6 +43,13 @@ * @set_ttbr0_cfg: Set the TTBR0 config for the GPUs context bank. A * NULL config disables TTBR0 translation, otherwise * TTBR0 translation is enabled with the specified cfg + * @get_fault_info: Called by the GPU fault handler to get information about + * the fault + * @set_stall: Configure whether stall on fault (CFCFG) is enabled. Call + * before set_ttbr0_cfg(). If stalling on fault is enabled, + * the GPU driver must call resume_translation() + * @resume_translation: Resume translation after a fault + * * * The GPU driver (drm/msm) and adreno-smmu work together for controlling * the GPU's SMMU instance. This is by necessity, as the GPU is directly @@ -31,6 +64,9 @@ struct adreno_smmu_priv { const void *cookie; const struct io_pgtable_cfg *(*get_ttbr1_cfg)(const void *cookie); int (*set_ttbr0_cfg)(const void *cookie, const struct io_pgtable_cfg *cfg); + void (*get_fault_info)(const void *cookie, struct adreno_smmu_fault_info *info); + void (*set_stall)(const void *cookie, bool enabled); + void (*resume_translation)(const void *cookie, bool terminate); }; -#endif /* __ADRENO_SMMU_PRIV_H */
\ No newline at end of file +#endif /* __ADRENO_SMMU_PRIV_H */ diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index 11e555cfaecb..f180240dc95f 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -37,6 +37,7 @@ bool topology_scale_freq_invariant(void); enum scale_freq_source { SCALE_FREQ_SOURCE_CPUFREQ = 0, SCALE_FREQ_SOURCE_ARCH, + SCALE_FREQ_SOURCE_CPPC, }; struct scale_freq_data { diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index 6861489a1890..63ccb5252190 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -63,6 +63,9 @@ #define ARM_SMCCC_VERSION_1_0 0x10000 #define ARM_SMCCC_VERSION_1_1 0x10001 #define ARM_SMCCC_VERSION_1_2 0x10002 +#define ARM_SMCCC_VERSION_1_3 0x10003 + +#define ARM_SMCCC_1_3_SVE_HINT 0x10000 #define ARM_SMCCC_VERSION_FUNC_ID \ ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ @@ -216,6 +219,8 @@ u32 arm_smccc_get_version(void); void __init arm_smccc_version_init(u32 version, enum arm_smccc_conduit conduit); +extern u64 smccc_has_sve_hint; + /** * struct arm_smccc_res - Result from SMC/HVC call * @a0-a3 result values from registers 0 to 3 @@ -227,6 +232,61 @@ struct arm_smccc_res { unsigned long a3; }; +#ifdef CONFIG_ARM64 +/** + * struct arm_smccc_1_2_regs - Arguments for or Results from SMC/HVC call + * @a0-a17 argument values from registers 0 to 17 + */ +struct arm_smccc_1_2_regs { + unsigned long a0; + unsigned long a1; + unsigned long a2; + unsigned long a3; + unsigned long a4; + unsigned long a5; + unsigned long a6; + unsigned long a7; + unsigned long a8; + unsigned long a9; + unsigned long a10; + unsigned long a11; + unsigned long a12; + unsigned long a13; + unsigned long a14; + unsigned long a15; + unsigned long a16; + unsigned long a17; +}; + +/** + * arm_smccc_1_2_hvc() - make HVC calls + * @args: arguments passed via struct arm_smccc_1_2_regs + * @res: result values via struct arm_smccc_1_2_regs + * + * This function is used to make HVC calls following SMC Calling Convention + * v1.2 or above. The content of the supplied param are copied from the + * structure to registers prior to the HVC instruction. The return values + * are updated with the content from registers on return from the HVC + * instruction. + */ +asmlinkage void arm_smccc_1_2_hvc(const struct arm_smccc_1_2_regs *args, + struct arm_smccc_1_2_regs *res); + +/** + * arm_smccc_1_2_smc() - make SMC calls + * @args: arguments passed via struct arm_smccc_1_2_regs + * @res: result values via struct arm_smccc_1_2_regs + * + * This function is used to make SMC calls following SMC Calling Convention + * v1.2 or above. The content of the supplied param are copied from the + * structure to registers prior to the SMC instruction. The return values + * are updated with the content from registers on return from the SMC + * instruction. + */ +asmlinkage void arm_smccc_1_2_smc(const struct arm_smccc_1_2_regs *args, + struct arm_smccc_1_2_regs *res); +#endif + /** * struct arm_smccc_quirk - Contains quirk information * @id: quirk identification @@ -241,6 +301,15 @@ struct arm_smccc_quirk { }; /** + * __arm_smccc_sve_check() - Set the SVE hint bit when doing SMC calls + * + * Sets the SMCCC hint bit to indicate if there is live state in the SVE + * registers, this modifies x0 in place and should never be called from C + * code. + */ +asmlinkage unsigned long __arm_smccc_sve_check(unsigned long x0); + +/** * __arm_smccc_smc() - make SMC calls * @a0-a7: arguments passed in registers 0 to 7 * @res: result values from registers 0 to 3 @@ -252,10 +321,20 @@ struct arm_smccc_quirk { * from register 0 to 3 on return from the SMC instruction. An optional * quirk structure provides vendor specific behavior. */ +#ifdef CONFIG_HAVE_ARM_SMCCC asmlinkage void __arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, unsigned long a3, unsigned long a4, unsigned long a5, unsigned long a6, unsigned long a7, struct arm_smccc_res *res, struct arm_smccc_quirk *quirk); +#else +static inline void __arm_smccc_smc(unsigned long a0, unsigned long a1, + unsigned long a2, unsigned long a3, unsigned long a4, + unsigned long a5, unsigned long a6, unsigned long a7, + struct arm_smccc_res *res, struct arm_smccc_quirk *quirk) +{ + *res = (struct arm_smccc_res){}; +} +#endif /** * __arm_smccc_hvc() - make HVC calls @@ -297,6 +376,20 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, #endif +/* nVHE hypervisor doesn't have a current thread so needs separate checks */ +#if defined(CONFIG_ARM64_SVE) && !defined(__KVM_NVHE_HYPERVISOR__) + +#define SMCCC_SVE_CHECK ALTERNATIVE("nop \n", "bl __arm_smccc_sve_check \n", \ + ARM64_SVE) +#define smccc_sve_clobbers "x16", "x30", "cc", + +#else + +#define SMCCC_SVE_CHECK +#define smccc_sve_clobbers + +#endif + #define ___count_args(_0, _1, _2, _3, _4, _5, _6, _7, _8, x, ...) x #define __count_args(...) \ @@ -364,7 +457,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, #define ___constraints(count) \ : __constraint_read_ ## count \ - : "memory" + : smccc_sve_clobbers "memory" #define __constraints(count) ___constraints(count) /* @@ -379,7 +472,8 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, register unsigned long r2 asm("r2"); \ register unsigned long r3 asm("r3"); \ __declare_args(__count_args(__VA_ARGS__), __VA_ARGS__); \ - asm volatile(inst "\n" : \ + asm volatile(SMCCC_SVE_CHECK \ + inst "\n" : \ "=r" (r0), "=r" (r1), "=r" (r2), "=r" (r3) \ __constraints(__count_args(__VA_ARGS__))); \ if (___res) \ diff --git a/include/linux/arm_ffa.h b/include/linux/arm_ffa.h new file mode 100644 index 000000000000..505c679b6a9b --- /dev/null +++ b/include/linux/arm_ffa.h @@ -0,0 +1,267 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2021 ARM Ltd. + */ + +#ifndef _LINUX_ARM_FFA_H +#define _LINUX_ARM_FFA_H + +#include <linux/device.h> +#include <linux/module.h> +#include <linux/types.h> +#include <linux/uuid.h> + +/* FFA Bus/Device/Driver related */ +struct ffa_device { + int vm_id; + bool mode_32bit; + uuid_t uuid; + struct device dev; +}; + +#define to_ffa_dev(d) container_of(d, struct ffa_device, dev) + +struct ffa_device_id { + uuid_t uuid; +}; + +struct ffa_driver { + const char *name; + int (*probe)(struct ffa_device *sdev); + void (*remove)(struct ffa_device *sdev); + const struct ffa_device_id *id_table; + + struct device_driver driver; +}; + +#define to_ffa_driver(d) container_of(d, struct ffa_driver, driver) + +static inline void ffa_dev_set_drvdata(struct ffa_device *fdev, void *data) +{ + fdev->dev.driver_data = data; +} + +#if IS_REACHABLE(CONFIG_ARM_FFA_TRANSPORT) +struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id); +void ffa_device_unregister(struct ffa_device *ffa_dev); +int ffa_driver_register(struct ffa_driver *driver, struct module *owner, + const char *mod_name); +void ffa_driver_unregister(struct ffa_driver *driver); +bool ffa_device_is_valid(struct ffa_device *ffa_dev); +const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev); + +#else +static inline +struct ffa_device *ffa_device_register(const uuid_t *uuid, int vm_id) +{ + return NULL; +} + +static inline void ffa_device_unregister(struct ffa_device *dev) {} + +static inline int +ffa_driver_register(struct ffa_driver *driver, struct module *owner, + const char *mod_name) +{ + return -EINVAL; +} + +static inline void ffa_driver_unregister(struct ffa_driver *driver) {} + +static inline +bool ffa_device_is_valid(struct ffa_device *ffa_dev) { return false; } + +static inline +const struct ffa_dev_ops *ffa_dev_ops_get(struct ffa_device *dev) +{ + return NULL; +} +#endif /* CONFIG_ARM_FFA_TRANSPORT */ + +#define ffa_register(driver) \ + ffa_driver_register(driver, THIS_MODULE, KBUILD_MODNAME) +#define ffa_unregister(driver) \ + ffa_driver_unregister(driver) + +/** + * module_ffa_driver() - Helper macro for registering a psa_ffa driver + * @__ffa_driver: ffa_driver structure + * + * Helper macro for psa_ffa drivers to set up proper module init / exit + * functions. Replaces module_init() and module_exit() and keeps people from + * printing pointless things to the kernel log when their driver is loaded. + */ +#define module_ffa_driver(__ffa_driver) \ + module_driver(__ffa_driver, ffa_register, ffa_unregister) + +/* FFA transport related */ +struct ffa_partition_info { + u16 id; + u16 exec_ctxt; +/* partition supports receipt of direct requests */ +#define FFA_PARTITION_DIRECT_RECV BIT(0) +/* partition can send direct requests. */ +#define FFA_PARTITION_DIRECT_SEND BIT(1) +/* partition can send and receive indirect messages. */ +#define FFA_PARTITION_INDIRECT_MSG BIT(2) + u32 properties; +}; + +/* For use with FFA_MSG_SEND_DIRECT_{REQ,RESP} which pass data via registers */ +struct ffa_send_direct_data { + unsigned long data0; /* w3/x3 */ + unsigned long data1; /* w4/x4 */ + unsigned long data2; /* w5/x5 */ + unsigned long data3; /* w6/x6 */ + unsigned long data4; /* w7/x7 */ +}; + +struct ffa_mem_region_addr_range { + /* The base IPA of the constituent memory region, aligned to 4 kiB */ + u64 address; + /* The number of 4 kiB pages in the constituent memory region. */ + u32 pg_cnt; + u32 reserved; +}; + +struct ffa_composite_mem_region { + /* + * The total number of 4 kiB pages included in this memory region. This + * must be equal to the sum of page counts specified in each + * `struct ffa_mem_region_addr_range`. + */ + u32 total_pg_cnt; + /* The number of constituents included in this memory region range */ + u32 addr_range_cnt; + u64 reserved; + /** An array of `addr_range_cnt` memory region constituents. */ + struct ffa_mem_region_addr_range constituents[]; +}; + +struct ffa_mem_region_attributes { + /* The ID of the VM to which the memory is being given or shared. */ + u16 receiver; + /* + * The permissions with which the memory region should be mapped in the + * receiver's page table. + */ +#define FFA_MEM_EXEC BIT(3) +#define FFA_MEM_NO_EXEC BIT(2) +#define FFA_MEM_RW BIT(1) +#define FFA_MEM_RO BIT(0) + u8 attrs; + /* + * Flags used during FFA_MEM_RETRIEVE_REQ and FFA_MEM_RETRIEVE_RESP + * for memory regions with multiple borrowers. + */ +#define FFA_MEM_RETRIEVE_SELF_BORROWER BIT(0) + u8 flag; + u32 composite_off; + /* + * Offset in bytes from the start of the outer `ffa_memory_region` to + * an `struct ffa_mem_region_addr_range`. + */ + u64 reserved; +}; + +struct ffa_mem_region { + /* The ID of the VM/owner which originally sent the memory region */ + u16 sender_id; +#define FFA_MEM_NORMAL BIT(5) +#define FFA_MEM_DEVICE BIT(4) + +#define FFA_MEM_WRITE_BACK (3 << 2) +#define FFA_MEM_NON_CACHEABLE (1 << 2) + +#define FFA_DEV_nGnRnE (0 << 2) +#define FFA_DEV_nGnRE (1 << 2) +#define FFA_DEV_nGRE (2 << 2) +#define FFA_DEV_GRE (3 << 2) + +#define FFA_MEM_NON_SHAREABLE (0) +#define FFA_MEM_OUTER_SHAREABLE (2) +#define FFA_MEM_INNER_SHAREABLE (3) + u8 attributes; + u8 reserved_0; +/* + * Clear memory region contents after unmapping it from the sender and + * before mapping it for any receiver. + */ +#define FFA_MEM_CLEAR BIT(0) +/* + * Whether the hypervisor may time slice the memory sharing or retrieval + * operation. + */ +#define FFA_TIME_SLICE_ENABLE BIT(1) + +#define FFA_MEM_RETRIEVE_TYPE_IN_RESP (0 << 3) +#define FFA_MEM_RETRIEVE_TYPE_SHARE (1 << 3) +#define FFA_MEM_RETRIEVE_TYPE_LEND (2 << 3) +#define FFA_MEM_RETRIEVE_TYPE_DONATE (3 << 3) + +#define FFA_MEM_RETRIEVE_ADDR_ALIGN_HINT BIT(9) +#define FFA_MEM_RETRIEVE_ADDR_ALIGN(x) ((x) << 5) + /* Flags to control behaviour of the transaction. */ + u32 flags; +#define HANDLE_LOW_MASK GENMASK_ULL(31, 0) +#define HANDLE_HIGH_MASK GENMASK_ULL(63, 32) +#define HANDLE_LOW(x) ((u32)(FIELD_GET(HANDLE_LOW_MASK, (x)))) +#define HANDLE_HIGH(x) ((u32)(FIELD_GET(HANDLE_HIGH_MASK, (x)))) + +#define PACK_HANDLE(l, h) \ + (FIELD_PREP(HANDLE_LOW_MASK, (l)) | FIELD_PREP(HANDLE_HIGH_MASK, (h))) + /* + * A globally-unique ID assigned by the hypervisor for a region + * of memory being sent between VMs. + */ + u64 handle; + /* + * An implementation defined value associated with the receiver and the + * memory region. + */ + u64 tag; + u32 reserved_1; + /* + * The number of `ffa_mem_region_attributes` entries included in this + * transaction. + */ + u32 ep_count; + /* + * An array of endpoint memory access descriptors. + * Each one specifies a memory region offset, an endpoint and the + * attributes with which this memory region should be mapped in that + * endpoint's page table. + */ + struct ffa_mem_region_attributes ep_mem_access[]; +}; + +#define COMPOSITE_OFFSET(x) \ + (offsetof(struct ffa_mem_region, ep_mem_access[x])) +#define CONSTITUENTS_OFFSET(x) \ + (offsetof(struct ffa_composite_mem_region, constituents[x])) +#define COMPOSITE_CONSTITUENTS_OFFSET(x, y) \ + (COMPOSITE_OFFSET(x) + CONSTITUENTS_OFFSET(y)) + +struct ffa_mem_ops_args { + bool use_txbuf; + u32 nattrs; + u32 flags; + u64 tag; + u64 g_handle; + struct scatterlist *sg; + struct ffa_mem_region_attributes *attrs; +}; + +struct ffa_dev_ops { + u32 (*api_version_get)(void); + int (*partition_info_get)(const char *uuid_str, + struct ffa_partition_info *buffer); + void (*mode_32bit_set)(struct ffa_device *dev); + int (*sync_send_receive)(struct ffa_device *dev, + struct ffa_send_direct_data *data); + int (*memory_reclaim)(u64 g_handle, u32 flags); + int (*memory_share)(struct ffa_device *dev, + struct ffa_mem_ops_args *args); +}; + +#endif /* _LINUX_ARM_FFA_H */ diff --git a/include/linux/ascii85.h b/include/linux/ascii85.h index 4cc40201273e..83ad775ad0aa 100644 --- a/include/linux/ascii85.h +++ b/include/linux/ascii85.h @@ -8,7 +8,8 @@ #ifndef _ASCII85_H_ #define _ASCII85_H_ -#include <linux/kernel.h> +#include <linux/math.h> +#include <linux/types.h> #define ASCII85_BUFSZ 6 diff --git a/include/linux/ata.h b/include/linux/ata.h index 6e67aded28f8..1b44f40c7700 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -13,7 +13,7 @@ #ifndef __LINUX_ATA_H__ #define __LINUX_ATA_H__ -#include <linux/kernel.h> +#include <linux/bits.h> #include <linux/string.h> #include <linux/types.h> #include <asm/byteorder.h> diff --git a/include/linux/atomic-fallback.h b/include/linux/atomic-fallback.h deleted file mode 100644 index 2a3f55d98be9..000000000000 --- a/include/linux/atomic-fallback.h +++ /dev/null @@ -1,2595 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 - -// Generated by scripts/atomic/gen-atomic-fallback.sh -// DO NOT MODIFY THIS FILE DIRECTLY - -#ifndef _LINUX_ATOMIC_FALLBACK_H -#define _LINUX_ATOMIC_FALLBACK_H - -#include <linux/compiler.h> - -#ifndef xchg_relaxed -#define xchg_acquire xchg -#define xchg_release xchg -#define xchg_relaxed xchg -#else /* xchg_relaxed */ - -#ifndef xchg_acquire -#define xchg_acquire(...) \ - __atomic_op_acquire(xchg, __VA_ARGS__) -#endif - -#ifndef xchg_release -#define xchg_release(...) \ - __atomic_op_release(xchg, __VA_ARGS__) -#endif - -#ifndef xchg -#define xchg(...) \ - __atomic_op_fence(xchg, __VA_ARGS__) -#endif - -#endif /* xchg_relaxed */ - -#ifndef cmpxchg_relaxed -#define cmpxchg_acquire cmpxchg -#define cmpxchg_release cmpxchg -#define cmpxchg_relaxed cmpxchg -#else /* cmpxchg_relaxed */ - -#ifndef cmpxchg_acquire -#define cmpxchg_acquire(...) \ - __atomic_op_acquire(cmpxchg, __VA_ARGS__) -#endif - -#ifndef cmpxchg_release -#define cmpxchg_release(...) \ - __atomic_op_release(cmpxchg, __VA_ARGS__) -#endif - -#ifndef cmpxchg -#define cmpxchg(...) \ - __atomic_op_fence(cmpxchg, __VA_ARGS__) -#endif - -#endif /* cmpxchg_relaxed */ - -#ifndef cmpxchg64_relaxed -#define cmpxchg64_acquire cmpxchg64 -#define cmpxchg64_release cmpxchg64 -#define cmpxchg64_relaxed cmpxchg64 -#else /* cmpxchg64_relaxed */ - -#ifndef cmpxchg64_acquire -#define cmpxchg64_acquire(...) \ - __atomic_op_acquire(cmpxchg64, __VA_ARGS__) -#endif - -#ifndef cmpxchg64_release -#define cmpxchg64_release(...) \ - __atomic_op_release(cmpxchg64, __VA_ARGS__) -#endif - -#ifndef cmpxchg64 -#define cmpxchg64(...) \ - __atomic_op_fence(cmpxchg64, __VA_ARGS__) -#endif - -#endif /* cmpxchg64_relaxed */ - -#ifndef try_cmpxchg_relaxed -#ifdef try_cmpxchg -#define try_cmpxchg_acquire try_cmpxchg -#define try_cmpxchg_release try_cmpxchg -#define try_cmpxchg_relaxed try_cmpxchg -#endif /* try_cmpxchg */ - -#ifndef try_cmpxchg -#define try_cmpxchg(_ptr, _oldp, _new) \ -({ \ - typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ - ___r = cmpxchg((_ptr), ___o, (_new)); \ - if (unlikely(___r != ___o)) \ - *___op = ___r; \ - likely(___r == ___o); \ -}) -#endif /* try_cmpxchg */ - -#ifndef try_cmpxchg_acquire -#define try_cmpxchg_acquire(_ptr, _oldp, _new) \ -({ \ - typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ - ___r = cmpxchg_acquire((_ptr), ___o, (_new)); \ - if (unlikely(___r != ___o)) \ - *___op = ___r; \ - likely(___r == ___o); \ -}) -#endif /* try_cmpxchg_acquire */ - -#ifndef try_cmpxchg_release -#define try_cmpxchg_release(_ptr, _oldp, _new) \ -({ \ - typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ - ___r = cmpxchg_release((_ptr), ___o, (_new)); \ - if (unlikely(___r != ___o)) \ - *___op = ___r; \ - likely(___r == ___o); \ -}) -#endif /* try_cmpxchg_release */ - -#ifndef try_cmpxchg_relaxed -#define try_cmpxchg_relaxed(_ptr, _oldp, _new) \ -({ \ - typeof(*(_ptr)) *___op = (_oldp), ___o = *___op, ___r; \ - ___r = cmpxchg_relaxed((_ptr), ___o, (_new)); \ - if (unlikely(___r != ___o)) \ - *___op = ___r; \ - likely(___r == ___o); \ -}) -#endif /* try_cmpxchg_relaxed */ - -#else /* try_cmpxchg_relaxed */ - -#ifndef try_cmpxchg_acquire -#define try_cmpxchg_acquire(...) \ - __atomic_op_acquire(try_cmpxchg, __VA_ARGS__) -#endif - -#ifndef try_cmpxchg_release -#define try_cmpxchg_release(...) \ - __atomic_op_release(try_cmpxchg, __VA_ARGS__) -#endif - -#ifndef try_cmpxchg -#define try_cmpxchg(...) \ - __atomic_op_fence(try_cmpxchg, __VA_ARGS__) -#endif - -#endif /* try_cmpxchg_relaxed */ - -#define arch_atomic_read atomic_read -#define arch_atomic_read_acquire atomic_read_acquire - -#ifndef atomic_read_acquire -static __always_inline int -atomic_read_acquire(const atomic_t *v) -{ - return smp_load_acquire(&(v)->counter); -} -#define atomic_read_acquire atomic_read_acquire -#endif - -#define arch_atomic_set atomic_set -#define arch_atomic_set_release atomic_set_release - -#ifndef atomic_set_release -static __always_inline void -atomic_set_release(atomic_t *v, int i) -{ - smp_store_release(&(v)->counter, i); -} -#define atomic_set_release atomic_set_release -#endif - -#define arch_atomic_add atomic_add - -#define arch_atomic_add_return atomic_add_return -#define arch_atomic_add_return_acquire atomic_add_return_acquire -#define arch_atomic_add_return_release atomic_add_return_release -#define arch_atomic_add_return_relaxed atomic_add_return_relaxed - -#ifndef atomic_add_return_relaxed -#define atomic_add_return_acquire atomic_add_return -#define atomic_add_return_release atomic_add_return -#define atomic_add_return_relaxed atomic_add_return -#else /* atomic_add_return_relaxed */ - -#ifndef atomic_add_return_acquire -static __always_inline int -atomic_add_return_acquire(int i, atomic_t *v) -{ - int ret = atomic_add_return_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_add_return_acquire atomic_add_return_acquire -#endif - -#ifndef atomic_add_return_release -static __always_inline int -atomic_add_return_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_add_return_relaxed(i, v); -} -#define atomic_add_return_release atomic_add_return_release -#endif - -#ifndef atomic_add_return -static __always_inline int -atomic_add_return(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_add_return_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_add_return atomic_add_return -#endif - -#endif /* atomic_add_return_relaxed */ - -#define arch_atomic_fetch_add atomic_fetch_add -#define arch_atomic_fetch_add_acquire atomic_fetch_add_acquire -#define arch_atomic_fetch_add_release atomic_fetch_add_release -#define arch_atomic_fetch_add_relaxed atomic_fetch_add_relaxed - -#ifndef atomic_fetch_add_relaxed -#define atomic_fetch_add_acquire atomic_fetch_add -#define atomic_fetch_add_release atomic_fetch_add -#define atomic_fetch_add_relaxed atomic_fetch_add -#else /* atomic_fetch_add_relaxed */ - -#ifndef atomic_fetch_add_acquire -static __always_inline int -atomic_fetch_add_acquire(int i, atomic_t *v) -{ - int ret = atomic_fetch_add_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_add_acquire atomic_fetch_add_acquire -#endif - -#ifndef atomic_fetch_add_release -static __always_inline int -atomic_fetch_add_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_add_relaxed(i, v); -} -#define atomic_fetch_add_release atomic_fetch_add_release -#endif - -#ifndef atomic_fetch_add -static __always_inline int -atomic_fetch_add(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_add_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_add atomic_fetch_add -#endif - -#endif /* atomic_fetch_add_relaxed */ - -#define arch_atomic_sub atomic_sub - -#define arch_atomic_sub_return atomic_sub_return -#define arch_atomic_sub_return_acquire atomic_sub_return_acquire -#define arch_atomic_sub_return_release atomic_sub_return_release -#define arch_atomic_sub_return_relaxed atomic_sub_return_relaxed - -#ifndef atomic_sub_return_relaxed -#define atomic_sub_return_acquire atomic_sub_return -#define atomic_sub_return_release atomic_sub_return -#define atomic_sub_return_relaxed atomic_sub_return -#else /* atomic_sub_return_relaxed */ - -#ifndef atomic_sub_return_acquire -static __always_inline int -atomic_sub_return_acquire(int i, atomic_t *v) -{ - int ret = atomic_sub_return_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_sub_return_acquire atomic_sub_return_acquire -#endif - -#ifndef atomic_sub_return_release -static __always_inline int -atomic_sub_return_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_sub_return_relaxed(i, v); -} -#define atomic_sub_return_release atomic_sub_return_release -#endif - -#ifndef atomic_sub_return -static __always_inline int -atomic_sub_return(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_sub_return_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_sub_return atomic_sub_return -#endif - -#endif /* atomic_sub_return_relaxed */ - -#define arch_atomic_fetch_sub atomic_fetch_sub -#define arch_atomic_fetch_sub_acquire atomic_fetch_sub_acquire -#define arch_atomic_fetch_sub_release atomic_fetch_sub_release -#define arch_atomic_fetch_sub_relaxed atomic_fetch_sub_relaxed - -#ifndef atomic_fetch_sub_relaxed -#define atomic_fetch_sub_acquire atomic_fetch_sub -#define atomic_fetch_sub_release atomic_fetch_sub -#define atomic_fetch_sub_relaxed atomic_fetch_sub -#else /* atomic_fetch_sub_relaxed */ - -#ifndef atomic_fetch_sub_acquire -static __always_inline int -atomic_fetch_sub_acquire(int i, atomic_t *v) -{ - int ret = atomic_fetch_sub_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_sub_acquire atomic_fetch_sub_acquire -#endif - -#ifndef atomic_fetch_sub_release -static __always_inline int -atomic_fetch_sub_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_sub_relaxed(i, v); -} -#define atomic_fetch_sub_release atomic_fetch_sub_release -#endif - -#ifndef atomic_fetch_sub -static __always_inline int -atomic_fetch_sub(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_sub_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_sub atomic_fetch_sub -#endif - -#endif /* atomic_fetch_sub_relaxed */ - -#define arch_atomic_inc atomic_inc - -#ifndef atomic_inc -static __always_inline void -atomic_inc(atomic_t *v) -{ - atomic_add(1, v); -} -#define atomic_inc atomic_inc -#endif - -#define arch_atomic_inc_return atomic_inc_return -#define arch_atomic_inc_return_acquire atomic_inc_return_acquire -#define arch_atomic_inc_return_release atomic_inc_return_release -#define arch_atomic_inc_return_relaxed atomic_inc_return_relaxed - -#ifndef atomic_inc_return_relaxed -#ifdef atomic_inc_return -#define atomic_inc_return_acquire atomic_inc_return -#define atomic_inc_return_release atomic_inc_return -#define atomic_inc_return_relaxed atomic_inc_return -#endif /* atomic_inc_return */ - -#ifndef atomic_inc_return -static __always_inline int -atomic_inc_return(atomic_t *v) -{ - return atomic_add_return(1, v); -} -#define atomic_inc_return atomic_inc_return -#endif - -#ifndef atomic_inc_return_acquire -static __always_inline int -atomic_inc_return_acquire(atomic_t *v) -{ - return atomic_add_return_acquire(1, v); -} -#define atomic_inc_return_acquire atomic_inc_return_acquire -#endif - -#ifndef atomic_inc_return_release -static __always_inline int -atomic_inc_return_release(atomic_t *v) -{ - return atomic_add_return_release(1, v); -} -#define atomic_inc_return_release atomic_inc_return_release -#endif - -#ifndef atomic_inc_return_relaxed -static __always_inline int -atomic_inc_return_relaxed(atomic_t *v) -{ - return atomic_add_return_relaxed(1, v); -} -#define atomic_inc_return_relaxed atomic_inc_return_relaxed -#endif - -#else /* atomic_inc_return_relaxed */ - -#ifndef atomic_inc_return_acquire -static __always_inline int -atomic_inc_return_acquire(atomic_t *v) -{ - int ret = atomic_inc_return_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_inc_return_acquire atomic_inc_return_acquire -#endif - -#ifndef atomic_inc_return_release -static __always_inline int -atomic_inc_return_release(atomic_t *v) -{ - __atomic_release_fence(); - return atomic_inc_return_relaxed(v); -} -#define atomic_inc_return_release atomic_inc_return_release -#endif - -#ifndef atomic_inc_return -static __always_inline int -atomic_inc_return(atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_inc_return_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_inc_return atomic_inc_return -#endif - -#endif /* atomic_inc_return_relaxed */ - -#define arch_atomic_fetch_inc atomic_fetch_inc -#define arch_atomic_fetch_inc_acquire atomic_fetch_inc_acquire -#define arch_atomic_fetch_inc_release atomic_fetch_inc_release -#define arch_atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed - -#ifndef atomic_fetch_inc_relaxed -#ifdef atomic_fetch_inc -#define atomic_fetch_inc_acquire atomic_fetch_inc -#define atomic_fetch_inc_release atomic_fetch_inc -#define atomic_fetch_inc_relaxed atomic_fetch_inc -#endif /* atomic_fetch_inc */ - -#ifndef atomic_fetch_inc -static __always_inline int -atomic_fetch_inc(atomic_t *v) -{ - return atomic_fetch_add(1, v); -} -#define atomic_fetch_inc atomic_fetch_inc -#endif - -#ifndef atomic_fetch_inc_acquire -static __always_inline int -atomic_fetch_inc_acquire(atomic_t *v) -{ - return atomic_fetch_add_acquire(1, v); -} -#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire -#endif - -#ifndef atomic_fetch_inc_release -static __always_inline int -atomic_fetch_inc_release(atomic_t *v) -{ - return atomic_fetch_add_release(1, v); -} -#define atomic_fetch_inc_release atomic_fetch_inc_release -#endif - -#ifndef atomic_fetch_inc_relaxed -static __always_inline int -atomic_fetch_inc_relaxed(atomic_t *v) -{ - return atomic_fetch_add_relaxed(1, v); -} -#define atomic_fetch_inc_relaxed atomic_fetch_inc_relaxed -#endif - -#else /* atomic_fetch_inc_relaxed */ - -#ifndef atomic_fetch_inc_acquire -static __always_inline int -atomic_fetch_inc_acquire(atomic_t *v) -{ - int ret = atomic_fetch_inc_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_inc_acquire atomic_fetch_inc_acquire -#endif - -#ifndef atomic_fetch_inc_release -static __always_inline int -atomic_fetch_inc_release(atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_inc_relaxed(v); -} -#define atomic_fetch_inc_release atomic_fetch_inc_release -#endif - -#ifndef atomic_fetch_inc -static __always_inline int -atomic_fetch_inc(atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_inc_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_inc atomic_fetch_inc -#endif - -#endif /* atomic_fetch_inc_relaxed */ - -#define arch_atomic_dec atomic_dec - -#ifndef atomic_dec -static __always_inline void -atomic_dec(atomic_t *v) -{ - atomic_sub(1, v); -} -#define atomic_dec atomic_dec -#endif - -#define arch_atomic_dec_return atomic_dec_return -#define arch_atomic_dec_return_acquire atomic_dec_return_acquire -#define arch_atomic_dec_return_release atomic_dec_return_release -#define arch_atomic_dec_return_relaxed atomic_dec_return_relaxed - -#ifndef atomic_dec_return_relaxed -#ifdef atomic_dec_return -#define atomic_dec_return_acquire atomic_dec_return -#define atomic_dec_return_release atomic_dec_return -#define atomic_dec_return_relaxed atomic_dec_return -#endif /* atomic_dec_return */ - -#ifndef atomic_dec_return -static __always_inline int -atomic_dec_return(atomic_t *v) -{ - return atomic_sub_return(1, v); -} -#define atomic_dec_return atomic_dec_return -#endif - -#ifndef atomic_dec_return_acquire -static __always_inline int -atomic_dec_return_acquire(atomic_t *v) -{ - return atomic_sub_return_acquire(1, v); -} -#define atomic_dec_return_acquire atomic_dec_return_acquire -#endif - -#ifndef atomic_dec_return_release -static __always_inline int -atomic_dec_return_release(atomic_t *v) -{ - return atomic_sub_return_release(1, v); -} -#define atomic_dec_return_release atomic_dec_return_release -#endif - -#ifndef atomic_dec_return_relaxed -static __always_inline int -atomic_dec_return_relaxed(atomic_t *v) -{ - return atomic_sub_return_relaxed(1, v); -} -#define atomic_dec_return_relaxed atomic_dec_return_relaxed -#endif - -#else /* atomic_dec_return_relaxed */ - -#ifndef atomic_dec_return_acquire -static __always_inline int -atomic_dec_return_acquire(atomic_t *v) -{ - int ret = atomic_dec_return_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_dec_return_acquire atomic_dec_return_acquire -#endif - -#ifndef atomic_dec_return_release -static __always_inline int -atomic_dec_return_release(atomic_t *v) -{ - __atomic_release_fence(); - return atomic_dec_return_relaxed(v); -} -#define atomic_dec_return_release atomic_dec_return_release -#endif - -#ifndef atomic_dec_return -static __always_inline int -atomic_dec_return(atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_dec_return_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_dec_return atomic_dec_return -#endif - -#endif /* atomic_dec_return_relaxed */ - -#define arch_atomic_fetch_dec atomic_fetch_dec -#define arch_atomic_fetch_dec_acquire atomic_fetch_dec_acquire -#define arch_atomic_fetch_dec_release atomic_fetch_dec_release -#define arch_atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed - -#ifndef atomic_fetch_dec_relaxed -#ifdef atomic_fetch_dec -#define atomic_fetch_dec_acquire atomic_fetch_dec -#define atomic_fetch_dec_release atomic_fetch_dec -#define atomic_fetch_dec_relaxed atomic_fetch_dec -#endif /* atomic_fetch_dec */ - -#ifndef atomic_fetch_dec -static __always_inline int -atomic_fetch_dec(atomic_t *v) -{ - return atomic_fetch_sub(1, v); -} -#define atomic_fetch_dec atomic_fetch_dec -#endif - -#ifndef atomic_fetch_dec_acquire -static __always_inline int -atomic_fetch_dec_acquire(atomic_t *v) -{ - return atomic_fetch_sub_acquire(1, v); -} -#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire -#endif - -#ifndef atomic_fetch_dec_release -static __always_inline int -atomic_fetch_dec_release(atomic_t *v) -{ - return atomic_fetch_sub_release(1, v); -} -#define atomic_fetch_dec_release atomic_fetch_dec_release -#endif - -#ifndef atomic_fetch_dec_relaxed -static __always_inline int -atomic_fetch_dec_relaxed(atomic_t *v) -{ - return atomic_fetch_sub_relaxed(1, v); -} -#define atomic_fetch_dec_relaxed atomic_fetch_dec_relaxed -#endif - -#else /* atomic_fetch_dec_relaxed */ - -#ifndef atomic_fetch_dec_acquire -static __always_inline int -atomic_fetch_dec_acquire(atomic_t *v) -{ - int ret = atomic_fetch_dec_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_dec_acquire atomic_fetch_dec_acquire -#endif - -#ifndef atomic_fetch_dec_release -static __always_inline int -atomic_fetch_dec_release(atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_dec_relaxed(v); -} -#define atomic_fetch_dec_release atomic_fetch_dec_release -#endif - -#ifndef atomic_fetch_dec -static __always_inline int -atomic_fetch_dec(atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_dec_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_dec atomic_fetch_dec -#endif - -#endif /* atomic_fetch_dec_relaxed */ - -#define arch_atomic_and atomic_and - -#define arch_atomic_fetch_and atomic_fetch_and -#define arch_atomic_fetch_and_acquire atomic_fetch_and_acquire -#define arch_atomic_fetch_and_release atomic_fetch_and_release -#define arch_atomic_fetch_and_relaxed atomic_fetch_and_relaxed - -#ifndef atomic_fetch_and_relaxed -#define atomic_fetch_and_acquire atomic_fetch_and -#define atomic_fetch_and_release atomic_fetch_and -#define atomic_fetch_and_relaxed atomic_fetch_and -#else /* atomic_fetch_and_relaxed */ - -#ifndef atomic_fetch_and_acquire -static __always_inline int -atomic_fetch_and_acquire(int i, atomic_t *v) -{ - int ret = atomic_fetch_and_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_and_acquire atomic_fetch_and_acquire -#endif - -#ifndef atomic_fetch_and_release -static __always_inline int -atomic_fetch_and_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_and_relaxed(i, v); -} -#define atomic_fetch_and_release atomic_fetch_and_release -#endif - -#ifndef atomic_fetch_and -static __always_inline int -atomic_fetch_and(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_and_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_and atomic_fetch_and -#endif - -#endif /* atomic_fetch_and_relaxed */ - -#define arch_atomic_andnot atomic_andnot - -#ifndef atomic_andnot -static __always_inline void -atomic_andnot(int i, atomic_t *v) -{ - atomic_and(~i, v); -} -#define atomic_andnot atomic_andnot -#endif - -#define arch_atomic_fetch_andnot atomic_fetch_andnot -#define arch_atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire -#define arch_atomic_fetch_andnot_release atomic_fetch_andnot_release -#define arch_atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed - -#ifndef atomic_fetch_andnot_relaxed -#ifdef atomic_fetch_andnot -#define atomic_fetch_andnot_acquire atomic_fetch_andnot -#define atomic_fetch_andnot_release atomic_fetch_andnot -#define atomic_fetch_andnot_relaxed atomic_fetch_andnot -#endif /* atomic_fetch_andnot */ - -#ifndef atomic_fetch_andnot -static __always_inline int -atomic_fetch_andnot(int i, atomic_t *v) -{ - return atomic_fetch_and(~i, v); -} -#define atomic_fetch_andnot atomic_fetch_andnot -#endif - -#ifndef atomic_fetch_andnot_acquire -static __always_inline int -atomic_fetch_andnot_acquire(int i, atomic_t *v) -{ - return atomic_fetch_and_acquire(~i, v); -} -#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire -#endif - -#ifndef atomic_fetch_andnot_release -static __always_inline int -atomic_fetch_andnot_release(int i, atomic_t *v) -{ - return atomic_fetch_and_release(~i, v); -} -#define atomic_fetch_andnot_release atomic_fetch_andnot_release -#endif - -#ifndef atomic_fetch_andnot_relaxed -static __always_inline int -atomic_fetch_andnot_relaxed(int i, atomic_t *v) -{ - return atomic_fetch_and_relaxed(~i, v); -} -#define atomic_fetch_andnot_relaxed atomic_fetch_andnot_relaxed -#endif - -#else /* atomic_fetch_andnot_relaxed */ - -#ifndef atomic_fetch_andnot_acquire -static __always_inline int -atomic_fetch_andnot_acquire(int i, atomic_t *v) -{ - int ret = atomic_fetch_andnot_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_andnot_acquire atomic_fetch_andnot_acquire -#endif - -#ifndef atomic_fetch_andnot_release -static __always_inline int -atomic_fetch_andnot_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_andnot_relaxed(i, v); -} -#define atomic_fetch_andnot_release atomic_fetch_andnot_release -#endif - -#ifndef atomic_fetch_andnot -static __always_inline int -atomic_fetch_andnot(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_andnot_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_andnot atomic_fetch_andnot -#endif - -#endif /* atomic_fetch_andnot_relaxed */ - -#define arch_atomic_or atomic_or - -#define arch_atomic_fetch_or atomic_fetch_or -#define arch_atomic_fetch_or_acquire atomic_fetch_or_acquire -#define arch_atomic_fetch_or_release atomic_fetch_or_release -#define arch_atomic_fetch_or_relaxed atomic_fetch_or_relaxed - -#ifndef atomic_fetch_or_relaxed -#define atomic_fetch_or_acquire atomic_fetch_or -#define atomic_fetch_or_release atomic_fetch_or -#define atomic_fetch_or_relaxed atomic_fetch_or -#else /* atomic_fetch_or_relaxed */ - -#ifndef atomic_fetch_or_acquire -static __always_inline int -atomic_fetch_or_acquire(int i, atomic_t *v) -{ - int ret = atomic_fetch_or_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_or_acquire atomic_fetch_or_acquire -#endif - -#ifndef atomic_fetch_or_release -static __always_inline int -atomic_fetch_or_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_or_relaxed(i, v); -} -#define atomic_fetch_or_release atomic_fetch_or_release -#endif - -#ifndef atomic_fetch_or -static __always_inline int -atomic_fetch_or(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_or_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_or atomic_fetch_or -#endif - -#endif /* atomic_fetch_or_relaxed */ - -#define arch_atomic_xor atomic_xor - -#define arch_atomic_fetch_xor atomic_fetch_xor -#define arch_atomic_fetch_xor_acquire atomic_fetch_xor_acquire -#define arch_atomic_fetch_xor_release atomic_fetch_xor_release -#define arch_atomic_fetch_xor_relaxed atomic_fetch_xor_relaxed - -#ifndef atomic_fetch_xor_relaxed -#define atomic_fetch_xor_acquire atomic_fetch_xor -#define atomic_fetch_xor_release atomic_fetch_xor -#define atomic_fetch_xor_relaxed atomic_fetch_xor -#else /* atomic_fetch_xor_relaxed */ - -#ifndef atomic_fetch_xor_acquire -static __always_inline int -atomic_fetch_xor_acquire(int i, atomic_t *v) -{ - int ret = atomic_fetch_xor_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic_fetch_xor_acquire atomic_fetch_xor_acquire -#endif - -#ifndef atomic_fetch_xor_release -static __always_inline int -atomic_fetch_xor_release(int i, atomic_t *v) -{ - __atomic_release_fence(); - return atomic_fetch_xor_relaxed(i, v); -} -#define atomic_fetch_xor_release atomic_fetch_xor_release -#endif - -#ifndef atomic_fetch_xor -static __always_inline int -atomic_fetch_xor(int i, atomic_t *v) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_fetch_xor_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic_fetch_xor atomic_fetch_xor -#endif - -#endif /* atomic_fetch_xor_relaxed */ - -#define arch_atomic_xchg atomic_xchg -#define arch_atomic_xchg_acquire atomic_xchg_acquire -#define arch_atomic_xchg_release atomic_xchg_release -#define arch_atomic_xchg_relaxed atomic_xchg_relaxed - -#ifndef atomic_xchg_relaxed -#define atomic_xchg_acquire atomic_xchg -#define atomic_xchg_release atomic_xchg -#define atomic_xchg_relaxed atomic_xchg -#else /* atomic_xchg_relaxed */ - -#ifndef atomic_xchg_acquire -static __always_inline int -atomic_xchg_acquire(atomic_t *v, int i) -{ - int ret = atomic_xchg_relaxed(v, i); - __atomic_acquire_fence(); - return ret; -} -#define atomic_xchg_acquire atomic_xchg_acquire -#endif - -#ifndef atomic_xchg_release -static __always_inline int -atomic_xchg_release(atomic_t *v, int i) -{ - __atomic_release_fence(); - return atomic_xchg_relaxed(v, i); -} -#define atomic_xchg_release atomic_xchg_release -#endif - -#ifndef atomic_xchg -static __always_inline int -atomic_xchg(atomic_t *v, int i) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_xchg_relaxed(v, i); - __atomic_post_full_fence(); - return ret; -} -#define atomic_xchg atomic_xchg -#endif - -#endif /* atomic_xchg_relaxed */ - -#define arch_atomic_cmpxchg atomic_cmpxchg -#define arch_atomic_cmpxchg_acquire atomic_cmpxchg_acquire -#define arch_atomic_cmpxchg_release atomic_cmpxchg_release -#define arch_atomic_cmpxchg_relaxed atomic_cmpxchg_relaxed - -#ifndef atomic_cmpxchg_relaxed -#define atomic_cmpxchg_acquire atomic_cmpxchg -#define atomic_cmpxchg_release atomic_cmpxchg -#define atomic_cmpxchg_relaxed atomic_cmpxchg -#else /* atomic_cmpxchg_relaxed */ - -#ifndef atomic_cmpxchg_acquire -static __always_inline int -atomic_cmpxchg_acquire(atomic_t *v, int old, int new) -{ - int ret = atomic_cmpxchg_relaxed(v, old, new); - __atomic_acquire_fence(); - return ret; -} -#define atomic_cmpxchg_acquire atomic_cmpxchg_acquire -#endif - -#ifndef atomic_cmpxchg_release -static __always_inline int -atomic_cmpxchg_release(atomic_t *v, int old, int new) -{ - __atomic_release_fence(); - return atomic_cmpxchg_relaxed(v, old, new); -} -#define atomic_cmpxchg_release atomic_cmpxchg_release -#endif - -#ifndef atomic_cmpxchg -static __always_inline int -atomic_cmpxchg(atomic_t *v, int old, int new) -{ - int ret; - __atomic_pre_full_fence(); - ret = atomic_cmpxchg_relaxed(v, old, new); - __atomic_post_full_fence(); - return ret; -} -#define atomic_cmpxchg atomic_cmpxchg -#endif - -#endif /* atomic_cmpxchg_relaxed */ - -#define arch_atomic_try_cmpxchg atomic_try_cmpxchg -#define arch_atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire -#define arch_atomic_try_cmpxchg_release atomic_try_cmpxchg_release -#define arch_atomic_try_cmpxchg_relaxed atomic_try_cmpxchg_relaxed - -#ifndef atomic_try_cmpxchg_relaxed -#ifdef atomic_try_cmpxchg -#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg -#define atomic_try_cmpxchg_release atomic_try_cmpxchg -#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg -#endif /* atomic_try_cmpxchg */ - -#ifndef atomic_try_cmpxchg -static __always_inline bool -atomic_try_cmpxchg(atomic_t *v, int *old, int new) -{ - int r, o = *old; - r = atomic_cmpxchg(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic_try_cmpxchg atomic_try_cmpxchg -#endif - -#ifndef atomic_try_cmpxchg_acquire -static __always_inline bool -atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) -{ - int r, o = *old; - r = atomic_cmpxchg_acquire(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire -#endif - -#ifndef atomic_try_cmpxchg_release -static __always_inline bool -atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) -{ - int r, o = *old; - r = atomic_cmpxchg_release(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release -#endif - -#ifndef atomic_try_cmpxchg_relaxed -static __always_inline bool -atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) -{ - int r, o = *old; - r = atomic_cmpxchg_relaxed(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic_try_cmpxchg_relaxed atomic_try_cmpxchg_relaxed -#endif - -#else /* atomic_try_cmpxchg_relaxed */ - -#ifndef atomic_try_cmpxchg_acquire -static __always_inline bool -atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) -{ - bool ret = atomic_try_cmpxchg_relaxed(v, old, new); - __atomic_acquire_fence(); - return ret; -} -#define atomic_try_cmpxchg_acquire atomic_try_cmpxchg_acquire -#endif - -#ifndef atomic_try_cmpxchg_release -static __always_inline bool -atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) -{ - __atomic_release_fence(); - return atomic_try_cmpxchg_relaxed(v, old, new); -} -#define atomic_try_cmpxchg_release atomic_try_cmpxchg_release -#endif - -#ifndef atomic_try_cmpxchg -static __always_inline bool -atomic_try_cmpxchg(atomic_t *v, int *old, int new) -{ - bool ret; - __atomic_pre_full_fence(); - ret = atomic_try_cmpxchg_relaxed(v, old, new); - __atomic_post_full_fence(); - return ret; -} -#define atomic_try_cmpxchg atomic_try_cmpxchg -#endif - -#endif /* atomic_try_cmpxchg_relaxed */ - -#define arch_atomic_sub_and_test atomic_sub_and_test - -#ifndef atomic_sub_and_test -/** - * atomic_sub_and_test - subtract value from variable and test result - * @i: integer value to subtract - * @v: pointer of type atomic_t - * - * Atomically subtracts @i from @v and returns - * true if the result is zero, or false for all - * other cases. - */ -static __always_inline bool -atomic_sub_and_test(int i, atomic_t *v) -{ - return atomic_sub_return(i, v) == 0; -} -#define atomic_sub_and_test atomic_sub_and_test -#endif - -#define arch_atomic_dec_and_test atomic_dec_and_test - -#ifndef atomic_dec_and_test -/** - * atomic_dec_and_test - decrement and test - * @v: pointer of type atomic_t - * - * Atomically decrements @v by 1 and - * returns true if the result is 0, or false for all other - * cases. - */ -static __always_inline bool -atomic_dec_and_test(atomic_t *v) -{ - return atomic_dec_return(v) == 0; -} -#define atomic_dec_and_test atomic_dec_and_test -#endif - -#define arch_atomic_inc_and_test atomic_inc_and_test - -#ifndef atomic_inc_and_test -/** - * atomic_inc_and_test - increment and test - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. - */ -static __always_inline bool -atomic_inc_and_test(atomic_t *v) -{ - return atomic_inc_return(v) == 0; -} -#define atomic_inc_and_test atomic_inc_and_test -#endif - -#define arch_atomic_add_negative atomic_add_negative - -#ifndef atomic_add_negative -/** - * atomic_add_negative - add and test if negative - * @i: integer value to add - * @v: pointer of type atomic_t - * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. - */ -static __always_inline bool -atomic_add_negative(int i, atomic_t *v) -{ - return atomic_add_return(i, v) < 0; -} -#define atomic_add_negative atomic_add_negative -#endif - -#define arch_atomic_fetch_add_unless atomic_fetch_add_unless - -#ifndef atomic_fetch_add_unless -/** - * atomic_fetch_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, so long as @v was not already @u. - * Returns original value of @v - */ -static __always_inline int -atomic_fetch_add_unless(atomic_t *v, int a, int u) -{ - int c = atomic_read(v); - - do { - if (unlikely(c == u)) - break; - } while (!atomic_try_cmpxchg(v, &c, c + a)); - - return c; -} -#define atomic_fetch_add_unless atomic_fetch_add_unless -#endif - -#define arch_atomic_add_unless atomic_add_unless - -#ifndef atomic_add_unless -/** - * atomic_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, if @v was not already @u. - * Returns true if the addition was done. - */ -static __always_inline bool -atomic_add_unless(atomic_t *v, int a, int u) -{ - return atomic_fetch_add_unless(v, a, u) != u; -} -#define atomic_add_unless atomic_add_unless -#endif - -#define arch_atomic_inc_not_zero atomic_inc_not_zero - -#ifndef atomic_inc_not_zero -/** - * atomic_inc_not_zero - increment unless the number is zero - * @v: pointer of type atomic_t - * - * Atomically increments @v by 1, if @v is non-zero. - * Returns true if the increment was done. - */ -static __always_inline bool -atomic_inc_not_zero(atomic_t *v) -{ - return atomic_add_unless(v, 1, 0); -} -#define atomic_inc_not_zero atomic_inc_not_zero -#endif - -#define arch_atomic_inc_unless_negative atomic_inc_unless_negative - -#ifndef atomic_inc_unless_negative -static __always_inline bool -atomic_inc_unless_negative(atomic_t *v) -{ - int c = atomic_read(v); - - do { - if (unlikely(c < 0)) - return false; - } while (!atomic_try_cmpxchg(v, &c, c + 1)); - - return true; -} -#define atomic_inc_unless_negative atomic_inc_unless_negative -#endif - -#define arch_atomic_dec_unless_positive atomic_dec_unless_positive - -#ifndef atomic_dec_unless_positive -static __always_inline bool -atomic_dec_unless_positive(atomic_t *v) -{ - int c = atomic_read(v); - - do { - if (unlikely(c > 0)) - return false; - } while (!atomic_try_cmpxchg(v, &c, c - 1)); - - return true; -} -#define atomic_dec_unless_positive atomic_dec_unless_positive -#endif - -#define arch_atomic_dec_if_positive atomic_dec_if_positive - -#ifndef atomic_dec_if_positive -static __always_inline int -atomic_dec_if_positive(atomic_t *v) -{ - int dec, c = atomic_read(v); - - do { - dec = c - 1; - if (unlikely(dec < 0)) - break; - } while (!atomic_try_cmpxchg(v, &c, dec)); - - return dec; -} -#define atomic_dec_if_positive atomic_dec_if_positive -#endif - -#ifdef CONFIG_GENERIC_ATOMIC64 -#include <asm-generic/atomic64.h> -#endif - -#define arch_atomic64_read atomic64_read -#define arch_atomic64_read_acquire atomic64_read_acquire - -#ifndef atomic64_read_acquire -static __always_inline s64 -atomic64_read_acquire(const atomic64_t *v) -{ - return smp_load_acquire(&(v)->counter); -} -#define atomic64_read_acquire atomic64_read_acquire -#endif - -#define arch_atomic64_set atomic64_set -#define arch_atomic64_set_release atomic64_set_release - -#ifndef atomic64_set_release -static __always_inline void -atomic64_set_release(atomic64_t *v, s64 i) -{ - smp_store_release(&(v)->counter, i); -} -#define atomic64_set_release atomic64_set_release -#endif - -#define arch_atomic64_add atomic64_add - -#define arch_atomic64_add_return atomic64_add_return -#define arch_atomic64_add_return_acquire atomic64_add_return_acquire -#define arch_atomic64_add_return_release atomic64_add_return_release -#define arch_atomic64_add_return_relaxed atomic64_add_return_relaxed - -#ifndef atomic64_add_return_relaxed -#define atomic64_add_return_acquire atomic64_add_return -#define atomic64_add_return_release atomic64_add_return -#define atomic64_add_return_relaxed atomic64_add_return -#else /* atomic64_add_return_relaxed */ - -#ifndef atomic64_add_return_acquire -static __always_inline s64 -atomic64_add_return_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_add_return_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_add_return_acquire atomic64_add_return_acquire -#endif - -#ifndef atomic64_add_return_release -static __always_inline s64 -atomic64_add_return_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_add_return_relaxed(i, v); -} -#define atomic64_add_return_release atomic64_add_return_release -#endif - -#ifndef atomic64_add_return -static __always_inline s64 -atomic64_add_return(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_add_return_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_add_return atomic64_add_return -#endif - -#endif /* atomic64_add_return_relaxed */ - -#define arch_atomic64_fetch_add atomic64_fetch_add -#define arch_atomic64_fetch_add_acquire atomic64_fetch_add_acquire -#define arch_atomic64_fetch_add_release atomic64_fetch_add_release -#define arch_atomic64_fetch_add_relaxed atomic64_fetch_add_relaxed - -#ifndef atomic64_fetch_add_relaxed -#define atomic64_fetch_add_acquire atomic64_fetch_add -#define atomic64_fetch_add_release atomic64_fetch_add -#define atomic64_fetch_add_relaxed atomic64_fetch_add -#else /* atomic64_fetch_add_relaxed */ - -#ifndef atomic64_fetch_add_acquire -static __always_inline s64 -atomic64_fetch_add_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_fetch_add_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_add_acquire atomic64_fetch_add_acquire -#endif - -#ifndef atomic64_fetch_add_release -static __always_inline s64 -atomic64_fetch_add_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_add_relaxed(i, v); -} -#define atomic64_fetch_add_release atomic64_fetch_add_release -#endif - -#ifndef atomic64_fetch_add -static __always_inline s64 -atomic64_fetch_add(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_add_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_add atomic64_fetch_add -#endif - -#endif /* atomic64_fetch_add_relaxed */ - -#define arch_atomic64_sub atomic64_sub - -#define arch_atomic64_sub_return atomic64_sub_return -#define arch_atomic64_sub_return_acquire atomic64_sub_return_acquire -#define arch_atomic64_sub_return_release atomic64_sub_return_release -#define arch_atomic64_sub_return_relaxed atomic64_sub_return_relaxed - -#ifndef atomic64_sub_return_relaxed -#define atomic64_sub_return_acquire atomic64_sub_return -#define atomic64_sub_return_release atomic64_sub_return -#define atomic64_sub_return_relaxed atomic64_sub_return -#else /* atomic64_sub_return_relaxed */ - -#ifndef atomic64_sub_return_acquire -static __always_inline s64 -atomic64_sub_return_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_sub_return_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_sub_return_acquire atomic64_sub_return_acquire -#endif - -#ifndef atomic64_sub_return_release -static __always_inline s64 -atomic64_sub_return_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_sub_return_relaxed(i, v); -} -#define atomic64_sub_return_release atomic64_sub_return_release -#endif - -#ifndef atomic64_sub_return -static __always_inline s64 -atomic64_sub_return(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_sub_return_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_sub_return atomic64_sub_return -#endif - -#endif /* atomic64_sub_return_relaxed */ - -#define arch_atomic64_fetch_sub atomic64_fetch_sub -#define arch_atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire -#define arch_atomic64_fetch_sub_release atomic64_fetch_sub_release -#define arch_atomic64_fetch_sub_relaxed atomic64_fetch_sub_relaxed - -#ifndef atomic64_fetch_sub_relaxed -#define atomic64_fetch_sub_acquire atomic64_fetch_sub -#define atomic64_fetch_sub_release atomic64_fetch_sub -#define atomic64_fetch_sub_relaxed atomic64_fetch_sub -#else /* atomic64_fetch_sub_relaxed */ - -#ifndef atomic64_fetch_sub_acquire -static __always_inline s64 -atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_fetch_sub_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_sub_acquire atomic64_fetch_sub_acquire -#endif - -#ifndef atomic64_fetch_sub_release -static __always_inline s64 -atomic64_fetch_sub_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_sub_relaxed(i, v); -} -#define atomic64_fetch_sub_release atomic64_fetch_sub_release -#endif - -#ifndef atomic64_fetch_sub -static __always_inline s64 -atomic64_fetch_sub(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_sub_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_sub atomic64_fetch_sub -#endif - -#endif /* atomic64_fetch_sub_relaxed */ - -#define arch_atomic64_inc atomic64_inc - -#ifndef atomic64_inc -static __always_inline void -atomic64_inc(atomic64_t *v) -{ - atomic64_add(1, v); -} -#define atomic64_inc atomic64_inc -#endif - -#define arch_atomic64_inc_return atomic64_inc_return -#define arch_atomic64_inc_return_acquire atomic64_inc_return_acquire -#define arch_atomic64_inc_return_release atomic64_inc_return_release -#define arch_atomic64_inc_return_relaxed atomic64_inc_return_relaxed - -#ifndef atomic64_inc_return_relaxed -#ifdef atomic64_inc_return -#define atomic64_inc_return_acquire atomic64_inc_return -#define atomic64_inc_return_release atomic64_inc_return -#define atomic64_inc_return_relaxed atomic64_inc_return -#endif /* atomic64_inc_return */ - -#ifndef atomic64_inc_return -static __always_inline s64 -atomic64_inc_return(atomic64_t *v) -{ - return atomic64_add_return(1, v); -} -#define atomic64_inc_return atomic64_inc_return -#endif - -#ifndef atomic64_inc_return_acquire -static __always_inline s64 -atomic64_inc_return_acquire(atomic64_t *v) -{ - return atomic64_add_return_acquire(1, v); -} -#define atomic64_inc_return_acquire atomic64_inc_return_acquire -#endif - -#ifndef atomic64_inc_return_release -static __always_inline s64 -atomic64_inc_return_release(atomic64_t *v) -{ - return atomic64_add_return_release(1, v); -} -#define atomic64_inc_return_release atomic64_inc_return_release -#endif - -#ifndef atomic64_inc_return_relaxed -static __always_inline s64 -atomic64_inc_return_relaxed(atomic64_t *v) -{ - return atomic64_add_return_relaxed(1, v); -} -#define atomic64_inc_return_relaxed atomic64_inc_return_relaxed -#endif - -#else /* atomic64_inc_return_relaxed */ - -#ifndef atomic64_inc_return_acquire -static __always_inline s64 -atomic64_inc_return_acquire(atomic64_t *v) -{ - s64 ret = atomic64_inc_return_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_inc_return_acquire atomic64_inc_return_acquire -#endif - -#ifndef atomic64_inc_return_release -static __always_inline s64 -atomic64_inc_return_release(atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_inc_return_relaxed(v); -} -#define atomic64_inc_return_release atomic64_inc_return_release -#endif - -#ifndef atomic64_inc_return -static __always_inline s64 -atomic64_inc_return(atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_inc_return_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_inc_return atomic64_inc_return -#endif - -#endif /* atomic64_inc_return_relaxed */ - -#define arch_atomic64_fetch_inc atomic64_fetch_inc -#define arch_atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire -#define arch_atomic64_fetch_inc_release atomic64_fetch_inc_release -#define arch_atomic64_fetch_inc_relaxed atomic64_fetch_inc_relaxed - -#ifndef atomic64_fetch_inc_relaxed -#ifdef atomic64_fetch_inc -#define atomic64_fetch_inc_acquire atomic64_fetch_inc -#define atomic64_fetch_inc_release atomic64_fetch_inc -#define atomic64_fetch_inc_relaxed atomic64_fetch_inc -#endif /* atomic64_fetch_inc */ - -#ifndef atomic64_fetch_inc -static __always_inline s64 -atomic64_fetch_inc(atomic64_t *v) -{ - return atomic64_fetch_add(1, v); -} -#define atomic64_fetch_inc atomic64_fetch_inc -#endif - -#ifndef atomic64_fetch_inc_acquire -static __always_inline s64 -atomic64_fetch_inc_acquire(atomic64_t *v) -{ - return atomic64_fetch_add_acquire(1, v); -} -#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire -#endif - -#ifndef atomic64_fetch_inc_release -static __always_inline s64 -atomic64_fetch_inc_release(atomic64_t *v) -{ - return atomic64_fetch_add_release(1, v); -} -#define atomic64_fetch_inc_release atomic64_fetch_inc_release -#endif - -#ifndef atomic64_fetch_inc_relaxed -static __always_inline s64 -atomic64_fetch_inc_relaxed(atomic64_t *v) -{ - return atomic64_fetch_add_relaxed(1, v); -} -#define atomic64_fetch_inc_relaxed atomic64_fetch_inc_relaxed -#endif - -#else /* atomic64_fetch_inc_relaxed */ - -#ifndef atomic64_fetch_inc_acquire -static __always_inline s64 -atomic64_fetch_inc_acquire(atomic64_t *v) -{ - s64 ret = atomic64_fetch_inc_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_inc_acquire atomic64_fetch_inc_acquire -#endif - -#ifndef atomic64_fetch_inc_release -static __always_inline s64 -atomic64_fetch_inc_release(atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_inc_relaxed(v); -} -#define atomic64_fetch_inc_release atomic64_fetch_inc_release -#endif - -#ifndef atomic64_fetch_inc -static __always_inline s64 -atomic64_fetch_inc(atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_inc_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_inc atomic64_fetch_inc -#endif - -#endif /* atomic64_fetch_inc_relaxed */ - -#define arch_atomic64_dec atomic64_dec - -#ifndef atomic64_dec -static __always_inline void -atomic64_dec(atomic64_t *v) -{ - atomic64_sub(1, v); -} -#define atomic64_dec atomic64_dec -#endif - -#define arch_atomic64_dec_return atomic64_dec_return -#define arch_atomic64_dec_return_acquire atomic64_dec_return_acquire -#define arch_atomic64_dec_return_release atomic64_dec_return_release -#define arch_atomic64_dec_return_relaxed atomic64_dec_return_relaxed - -#ifndef atomic64_dec_return_relaxed -#ifdef atomic64_dec_return -#define atomic64_dec_return_acquire atomic64_dec_return -#define atomic64_dec_return_release atomic64_dec_return -#define atomic64_dec_return_relaxed atomic64_dec_return -#endif /* atomic64_dec_return */ - -#ifndef atomic64_dec_return -static __always_inline s64 -atomic64_dec_return(atomic64_t *v) -{ - return atomic64_sub_return(1, v); -} -#define atomic64_dec_return atomic64_dec_return -#endif - -#ifndef atomic64_dec_return_acquire -static __always_inline s64 -atomic64_dec_return_acquire(atomic64_t *v) -{ - return atomic64_sub_return_acquire(1, v); -} -#define atomic64_dec_return_acquire atomic64_dec_return_acquire -#endif - -#ifndef atomic64_dec_return_release -static __always_inline s64 -atomic64_dec_return_release(atomic64_t *v) -{ - return atomic64_sub_return_release(1, v); -} -#define atomic64_dec_return_release atomic64_dec_return_release -#endif - -#ifndef atomic64_dec_return_relaxed -static __always_inline s64 -atomic64_dec_return_relaxed(atomic64_t *v) -{ - return atomic64_sub_return_relaxed(1, v); -} -#define atomic64_dec_return_relaxed atomic64_dec_return_relaxed -#endif - -#else /* atomic64_dec_return_relaxed */ - -#ifndef atomic64_dec_return_acquire -static __always_inline s64 -atomic64_dec_return_acquire(atomic64_t *v) -{ - s64 ret = atomic64_dec_return_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_dec_return_acquire atomic64_dec_return_acquire -#endif - -#ifndef atomic64_dec_return_release -static __always_inline s64 -atomic64_dec_return_release(atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_dec_return_relaxed(v); -} -#define atomic64_dec_return_release atomic64_dec_return_release -#endif - -#ifndef atomic64_dec_return -static __always_inline s64 -atomic64_dec_return(atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_dec_return_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_dec_return atomic64_dec_return -#endif - -#endif /* atomic64_dec_return_relaxed */ - -#define arch_atomic64_fetch_dec atomic64_fetch_dec -#define arch_atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire -#define arch_atomic64_fetch_dec_release atomic64_fetch_dec_release -#define arch_atomic64_fetch_dec_relaxed atomic64_fetch_dec_relaxed - -#ifndef atomic64_fetch_dec_relaxed -#ifdef atomic64_fetch_dec -#define atomic64_fetch_dec_acquire atomic64_fetch_dec -#define atomic64_fetch_dec_release atomic64_fetch_dec -#define atomic64_fetch_dec_relaxed atomic64_fetch_dec -#endif /* atomic64_fetch_dec */ - -#ifndef atomic64_fetch_dec -static __always_inline s64 -atomic64_fetch_dec(atomic64_t *v) -{ - return atomic64_fetch_sub(1, v); -} -#define atomic64_fetch_dec atomic64_fetch_dec -#endif - -#ifndef atomic64_fetch_dec_acquire -static __always_inline s64 -atomic64_fetch_dec_acquire(atomic64_t *v) -{ - return atomic64_fetch_sub_acquire(1, v); -} -#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire -#endif - -#ifndef atomic64_fetch_dec_release -static __always_inline s64 -atomic64_fetch_dec_release(atomic64_t *v) -{ - return atomic64_fetch_sub_release(1, v); -} -#define atomic64_fetch_dec_release atomic64_fetch_dec_release -#endif - -#ifndef atomic64_fetch_dec_relaxed -static __always_inline s64 -atomic64_fetch_dec_relaxed(atomic64_t *v) -{ - return atomic64_fetch_sub_relaxed(1, v); -} -#define atomic64_fetch_dec_relaxed atomic64_fetch_dec_relaxed -#endif - -#else /* atomic64_fetch_dec_relaxed */ - -#ifndef atomic64_fetch_dec_acquire -static __always_inline s64 -atomic64_fetch_dec_acquire(atomic64_t *v) -{ - s64 ret = atomic64_fetch_dec_relaxed(v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_dec_acquire atomic64_fetch_dec_acquire -#endif - -#ifndef atomic64_fetch_dec_release -static __always_inline s64 -atomic64_fetch_dec_release(atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_dec_relaxed(v); -} -#define atomic64_fetch_dec_release atomic64_fetch_dec_release -#endif - -#ifndef atomic64_fetch_dec -static __always_inline s64 -atomic64_fetch_dec(atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_dec_relaxed(v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_dec atomic64_fetch_dec -#endif - -#endif /* atomic64_fetch_dec_relaxed */ - -#define arch_atomic64_and atomic64_and - -#define arch_atomic64_fetch_and atomic64_fetch_and -#define arch_atomic64_fetch_and_acquire atomic64_fetch_and_acquire -#define arch_atomic64_fetch_and_release atomic64_fetch_and_release -#define arch_atomic64_fetch_and_relaxed atomic64_fetch_and_relaxed - -#ifndef atomic64_fetch_and_relaxed -#define atomic64_fetch_and_acquire atomic64_fetch_and -#define atomic64_fetch_and_release atomic64_fetch_and -#define atomic64_fetch_and_relaxed atomic64_fetch_and -#else /* atomic64_fetch_and_relaxed */ - -#ifndef atomic64_fetch_and_acquire -static __always_inline s64 -atomic64_fetch_and_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_fetch_and_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_and_acquire atomic64_fetch_and_acquire -#endif - -#ifndef atomic64_fetch_and_release -static __always_inline s64 -atomic64_fetch_and_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_and_relaxed(i, v); -} -#define atomic64_fetch_and_release atomic64_fetch_and_release -#endif - -#ifndef atomic64_fetch_and -static __always_inline s64 -atomic64_fetch_and(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_and_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_and atomic64_fetch_and -#endif - -#endif /* atomic64_fetch_and_relaxed */ - -#define arch_atomic64_andnot atomic64_andnot - -#ifndef atomic64_andnot -static __always_inline void -atomic64_andnot(s64 i, atomic64_t *v) -{ - atomic64_and(~i, v); -} -#define atomic64_andnot atomic64_andnot -#endif - -#define arch_atomic64_fetch_andnot atomic64_fetch_andnot -#define arch_atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire -#define arch_atomic64_fetch_andnot_release atomic64_fetch_andnot_release -#define arch_atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed - -#ifndef atomic64_fetch_andnot_relaxed -#ifdef atomic64_fetch_andnot -#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot -#define atomic64_fetch_andnot_release atomic64_fetch_andnot -#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot -#endif /* atomic64_fetch_andnot */ - -#ifndef atomic64_fetch_andnot -static __always_inline s64 -atomic64_fetch_andnot(s64 i, atomic64_t *v) -{ - return atomic64_fetch_and(~i, v); -} -#define atomic64_fetch_andnot atomic64_fetch_andnot -#endif - -#ifndef atomic64_fetch_andnot_acquire -static __always_inline s64 -atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) -{ - return atomic64_fetch_and_acquire(~i, v); -} -#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire -#endif - -#ifndef atomic64_fetch_andnot_release -static __always_inline s64 -atomic64_fetch_andnot_release(s64 i, atomic64_t *v) -{ - return atomic64_fetch_and_release(~i, v); -} -#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release -#endif - -#ifndef atomic64_fetch_andnot_relaxed -static __always_inline s64 -atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) -{ - return atomic64_fetch_and_relaxed(~i, v); -} -#define atomic64_fetch_andnot_relaxed atomic64_fetch_andnot_relaxed -#endif - -#else /* atomic64_fetch_andnot_relaxed */ - -#ifndef atomic64_fetch_andnot_acquire -static __always_inline s64 -atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_fetch_andnot_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_andnot_acquire atomic64_fetch_andnot_acquire -#endif - -#ifndef atomic64_fetch_andnot_release -static __always_inline s64 -atomic64_fetch_andnot_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_andnot_relaxed(i, v); -} -#define atomic64_fetch_andnot_release atomic64_fetch_andnot_release -#endif - -#ifndef atomic64_fetch_andnot -static __always_inline s64 -atomic64_fetch_andnot(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_andnot_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_andnot atomic64_fetch_andnot -#endif - -#endif /* atomic64_fetch_andnot_relaxed */ - -#define arch_atomic64_or atomic64_or - -#define arch_atomic64_fetch_or atomic64_fetch_or -#define arch_atomic64_fetch_or_acquire atomic64_fetch_or_acquire -#define arch_atomic64_fetch_or_release atomic64_fetch_or_release -#define arch_atomic64_fetch_or_relaxed atomic64_fetch_or_relaxed - -#ifndef atomic64_fetch_or_relaxed -#define atomic64_fetch_or_acquire atomic64_fetch_or -#define atomic64_fetch_or_release atomic64_fetch_or -#define atomic64_fetch_or_relaxed atomic64_fetch_or -#else /* atomic64_fetch_or_relaxed */ - -#ifndef atomic64_fetch_or_acquire -static __always_inline s64 -atomic64_fetch_or_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_fetch_or_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_or_acquire atomic64_fetch_or_acquire -#endif - -#ifndef atomic64_fetch_or_release -static __always_inline s64 -atomic64_fetch_or_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_or_relaxed(i, v); -} -#define atomic64_fetch_or_release atomic64_fetch_or_release -#endif - -#ifndef atomic64_fetch_or -static __always_inline s64 -atomic64_fetch_or(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_or_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_or atomic64_fetch_or -#endif - -#endif /* atomic64_fetch_or_relaxed */ - -#define arch_atomic64_xor atomic64_xor - -#define arch_atomic64_fetch_xor atomic64_fetch_xor -#define arch_atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire -#define arch_atomic64_fetch_xor_release atomic64_fetch_xor_release -#define arch_atomic64_fetch_xor_relaxed atomic64_fetch_xor_relaxed - -#ifndef atomic64_fetch_xor_relaxed -#define atomic64_fetch_xor_acquire atomic64_fetch_xor -#define atomic64_fetch_xor_release atomic64_fetch_xor -#define atomic64_fetch_xor_relaxed atomic64_fetch_xor -#else /* atomic64_fetch_xor_relaxed */ - -#ifndef atomic64_fetch_xor_acquire -static __always_inline s64 -atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) -{ - s64 ret = atomic64_fetch_xor_relaxed(i, v); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_fetch_xor_acquire atomic64_fetch_xor_acquire -#endif - -#ifndef atomic64_fetch_xor_release -static __always_inline s64 -atomic64_fetch_xor_release(s64 i, atomic64_t *v) -{ - __atomic_release_fence(); - return atomic64_fetch_xor_relaxed(i, v); -} -#define atomic64_fetch_xor_release atomic64_fetch_xor_release -#endif - -#ifndef atomic64_fetch_xor -static __always_inline s64 -atomic64_fetch_xor(s64 i, atomic64_t *v) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_fetch_xor_relaxed(i, v); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_fetch_xor atomic64_fetch_xor -#endif - -#endif /* atomic64_fetch_xor_relaxed */ - -#define arch_atomic64_xchg atomic64_xchg -#define arch_atomic64_xchg_acquire atomic64_xchg_acquire -#define arch_atomic64_xchg_release atomic64_xchg_release -#define arch_atomic64_xchg_relaxed atomic64_xchg_relaxed - -#ifndef atomic64_xchg_relaxed -#define atomic64_xchg_acquire atomic64_xchg -#define atomic64_xchg_release atomic64_xchg -#define atomic64_xchg_relaxed atomic64_xchg -#else /* atomic64_xchg_relaxed */ - -#ifndef atomic64_xchg_acquire -static __always_inline s64 -atomic64_xchg_acquire(atomic64_t *v, s64 i) -{ - s64 ret = atomic64_xchg_relaxed(v, i); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_xchg_acquire atomic64_xchg_acquire -#endif - -#ifndef atomic64_xchg_release -static __always_inline s64 -atomic64_xchg_release(atomic64_t *v, s64 i) -{ - __atomic_release_fence(); - return atomic64_xchg_relaxed(v, i); -} -#define atomic64_xchg_release atomic64_xchg_release -#endif - -#ifndef atomic64_xchg -static __always_inline s64 -atomic64_xchg(atomic64_t *v, s64 i) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_xchg_relaxed(v, i); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_xchg atomic64_xchg -#endif - -#endif /* atomic64_xchg_relaxed */ - -#define arch_atomic64_cmpxchg atomic64_cmpxchg -#define arch_atomic64_cmpxchg_acquire atomic64_cmpxchg_acquire -#define arch_atomic64_cmpxchg_release atomic64_cmpxchg_release -#define arch_atomic64_cmpxchg_relaxed atomic64_cmpxchg_relaxed - -#ifndef atomic64_cmpxchg_relaxed -#define atomic64_cmpxchg_acquire atomic64_cmpxchg -#define atomic64_cmpxchg_release atomic64_cmpxchg -#define atomic64_cmpxchg_relaxed atomic64_cmpxchg -#else /* atomic64_cmpxchg_relaxed */ - -#ifndef atomic64_cmpxchg_acquire -static __always_inline s64 -atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) -{ - s64 ret = atomic64_cmpxchg_relaxed(v, old, new); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_cmpxchg_acquire atomic64_cmpxchg_acquire -#endif - -#ifndef atomic64_cmpxchg_release -static __always_inline s64 -atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) -{ - __atomic_release_fence(); - return atomic64_cmpxchg_relaxed(v, old, new); -} -#define atomic64_cmpxchg_release atomic64_cmpxchg_release -#endif - -#ifndef atomic64_cmpxchg -static __always_inline s64 -atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) -{ - s64 ret; - __atomic_pre_full_fence(); - ret = atomic64_cmpxchg_relaxed(v, old, new); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_cmpxchg atomic64_cmpxchg -#endif - -#endif /* atomic64_cmpxchg_relaxed */ - -#define arch_atomic64_try_cmpxchg atomic64_try_cmpxchg -#define arch_atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire -#define arch_atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release -#define arch_atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg_relaxed - -#ifndef atomic64_try_cmpxchg_relaxed -#ifdef atomic64_try_cmpxchg -#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg -#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg -#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg -#endif /* atomic64_try_cmpxchg */ - -#ifndef atomic64_try_cmpxchg -static __always_inline bool -atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) -{ - s64 r, o = *old; - r = atomic64_cmpxchg(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic64_try_cmpxchg atomic64_try_cmpxchg -#endif - -#ifndef atomic64_try_cmpxchg_acquire -static __always_inline bool -atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) -{ - s64 r, o = *old; - r = atomic64_cmpxchg_acquire(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire -#endif - -#ifndef atomic64_try_cmpxchg_release -static __always_inline bool -atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) -{ - s64 r, o = *old; - r = atomic64_cmpxchg_release(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release -#endif - -#ifndef atomic64_try_cmpxchg_relaxed -static __always_inline bool -atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) -{ - s64 r, o = *old; - r = atomic64_cmpxchg_relaxed(v, o, new); - if (unlikely(r != o)) - *old = r; - return likely(r == o); -} -#define atomic64_try_cmpxchg_relaxed atomic64_try_cmpxchg_relaxed -#endif - -#else /* atomic64_try_cmpxchg_relaxed */ - -#ifndef atomic64_try_cmpxchg_acquire -static __always_inline bool -atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) -{ - bool ret = atomic64_try_cmpxchg_relaxed(v, old, new); - __atomic_acquire_fence(); - return ret; -} -#define atomic64_try_cmpxchg_acquire atomic64_try_cmpxchg_acquire -#endif - -#ifndef atomic64_try_cmpxchg_release -static __always_inline bool -atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) -{ - __atomic_release_fence(); - return atomic64_try_cmpxchg_relaxed(v, old, new); -} -#define atomic64_try_cmpxchg_release atomic64_try_cmpxchg_release -#endif - -#ifndef atomic64_try_cmpxchg -static __always_inline bool -atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) -{ - bool ret; - __atomic_pre_full_fence(); - ret = atomic64_try_cmpxchg_relaxed(v, old, new); - __atomic_post_full_fence(); - return ret; -} -#define atomic64_try_cmpxchg atomic64_try_cmpxchg -#endif - -#endif /* atomic64_try_cmpxchg_relaxed */ - -#define arch_atomic64_sub_and_test atomic64_sub_and_test - -#ifndef atomic64_sub_and_test -/** - * atomic64_sub_and_test - subtract value from variable and test result - * @i: integer value to subtract - * @v: pointer of type atomic64_t - * - * Atomically subtracts @i from @v and returns - * true if the result is zero, or false for all - * other cases. - */ -static __always_inline bool -atomic64_sub_and_test(s64 i, atomic64_t *v) -{ - return atomic64_sub_return(i, v) == 0; -} -#define atomic64_sub_and_test atomic64_sub_and_test -#endif - -#define arch_atomic64_dec_and_test atomic64_dec_and_test - -#ifndef atomic64_dec_and_test -/** - * atomic64_dec_and_test - decrement and test - * @v: pointer of type atomic64_t - * - * Atomically decrements @v by 1 and - * returns true if the result is 0, or false for all other - * cases. - */ -static __always_inline bool -atomic64_dec_and_test(atomic64_t *v) -{ - return atomic64_dec_return(v) == 0; -} -#define atomic64_dec_and_test atomic64_dec_and_test -#endif - -#define arch_atomic64_inc_and_test atomic64_inc_and_test - -#ifndef atomic64_inc_and_test -/** - * atomic64_inc_and_test - increment and test - * @v: pointer of type atomic64_t - * - * Atomically increments @v by 1 - * and returns true if the result is zero, or false for all - * other cases. - */ -static __always_inline bool -atomic64_inc_and_test(atomic64_t *v) -{ - return atomic64_inc_return(v) == 0; -} -#define atomic64_inc_and_test atomic64_inc_and_test -#endif - -#define arch_atomic64_add_negative atomic64_add_negative - -#ifndef atomic64_add_negative -/** - * atomic64_add_negative - add and test if negative - * @i: integer value to add - * @v: pointer of type atomic64_t - * - * Atomically adds @i to @v and returns true - * if the result is negative, or false when - * result is greater than or equal to zero. - */ -static __always_inline bool -atomic64_add_negative(s64 i, atomic64_t *v) -{ - return atomic64_add_return(i, v) < 0; -} -#define atomic64_add_negative atomic64_add_negative -#endif - -#define arch_atomic64_fetch_add_unless atomic64_fetch_add_unless - -#ifndef atomic64_fetch_add_unless -/** - * atomic64_fetch_add_unless - add unless the number is already a given value - * @v: pointer of type atomic64_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, so long as @v was not already @u. - * Returns original value of @v - */ -static __always_inline s64 -atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) -{ - s64 c = atomic64_read(v); - - do { - if (unlikely(c == u)) - break; - } while (!atomic64_try_cmpxchg(v, &c, c + a)); - - return c; -} -#define atomic64_fetch_add_unless atomic64_fetch_add_unless -#endif - -#define arch_atomic64_add_unless atomic64_add_unless - -#ifndef atomic64_add_unless -/** - * atomic64_add_unless - add unless the number is already a given value - * @v: pointer of type atomic64_t - * @a: the amount to add to v... - * @u: ...unless v is equal to u. - * - * Atomically adds @a to @v, if @v was not already @u. - * Returns true if the addition was done. - */ -static __always_inline bool -atomic64_add_unless(atomic64_t *v, s64 a, s64 u) -{ - return atomic64_fetch_add_unless(v, a, u) != u; -} -#define atomic64_add_unless atomic64_add_unless -#endif - -#define arch_atomic64_inc_not_zero atomic64_inc_not_zero - -#ifndef atomic64_inc_not_zero -/** - * atomic64_inc_not_zero - increment unless the number is zero - * @v: pointer of type atomic64_t - * - * Atomically increments @v by 1, if @v is non-zero. - * Returns true if the increment was done. - */ -static __always_inline bool -atomic64_inc_not_zero(atomic64_t *v) -{ - return atomic64_add_unless(v, 1, 0); -} -#define atomic64_inc_not_zero atomic64_inc_not_zero -#endif - -#define arch_atomic64_inc_unless_negative atomic64_inc_unless_negative - -#ifndef atomic64_inc_unless_negative -static __always_inline bool -atomic64_inc_unless_negative(atomic64_t *v) -{ - s64 c = atomic64_read(v); - - do { - if (unlikely(c < 0)) - return false; - } while (!atomic64_try_cmpxchg(v, &c, c + 1)); - - return true; -} -#define atomic64_inc_unless_negative atomic64_inc_unless_negative -#endif - -#define arch_atomic64_dec_unless_positive atomic64_dec_unless_positive - -#ifndef atomic64_dec_unless_positive -static __always_inline bool -atomic64_dec_unless_positive(atomic64_t *v) -{ - s64 c = atomic64_read(v); - - do { - if (unlikely(c > 0)) - return false; - } while (!atomic64_try_cmpxchg(v, &c, c - 1)); - - return true; -} -#define atomic64_dec_unless_positive atomic64_dec_unless_positive -#endif - -#define arch_atomic64_dec_if_positive atomic64_dec_if_positive - -#ifndef atomic64_dec_if_positive -static __always_inline s64 -atomic64_dec_if_positive(atomic64_t *v) -{ - s64 dec, c = atomic64_read(v); - - do { - dec = c - 1; - if (unlikely(dec < 0)) - break; - } while (!atomic64_try_cmpxchg(v, &c, dec)); - - return dec; -} -#define atomic64_dec_if_positive atomic64_dec_if_positive -#endif - -#endif /* _LINUX_ATOMIC_FALLBACK_H */ -// d78e6c293c661c15188f0ec05bce45188c8d5892 diff --git a/include/linux/atomic.h b/include/linux/atomic.h index 571a11008ab5..8dd57c3a99e9 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -77,13 +77,8 @@ __ret; \ }) -#ifdef ARCH_ATOMIC -#include <linux/atomic-arch-fallback.h> -#include <asm-generic/atomic-instrumented.h> -#else -#include <linux/atomic-fallback.h> -#endif - -#include <asm-generic/atomic-long.h> +#include <linux/atomic/atomic-arch-fallback.h> +#include <linux/atomic/atomic-long.h> +#include <linux/atomic/atomic-instrumented.h> #endif /* _LINUX_ATOMIC_H */ diff --git a/include/linux/atomic-arch-fallback.h b/include/linux/atomic/atomic-arch-fallback.h index a3dba31df01e..a3dba31df01e 100644 --- a/include/linux/atomic-arch-fallback.h +++ b/include/linux/atomic/atomic-arch-fallback.h diff --git a/include/linux/atomic/atomic-instrumented.h b/include/linux/atomic/atomic-instrumented.h new file mode 100644 index 000000000000..a0f654370da3 --- /dev/null +++ b/include/linux/atomic/atomic-instrumented.h @@ -0,0 +1,1915 @@ +// SPDX-License-Identifier: GPL-2.0 + +// Generated by scripts/atomic/gen-atomic-instrumented.sh +// DO NOT MODIFY THIS FILE DIRECTLY + +/* + * This file provides wrappers with KASAN instrumentation for atomic operations. + * To use this functionality an arch's atomic.h file needs to define all + * atomic operations with arch_ prefix (e.g. arch_atomic_read()) and include + * this file at the end. This file provides atomic_read() that forwards to + * arch_atomic_read() for actual atomic operation. + * Note: if an arch atomic operation is implemented by means of other atomic + * operations (e.g. atomic_read()/atomic_cmpxchg() loop), then it needs to use + * arch_ variants (i.e. arch_atomic_read()/arch_atomic_cmpxchg()) to avoid + * double instrumentation. + */ +#ifndef _LINUX_ATOMIC_INSTRUMENTED_H +#define _LINUX_ATOMIC_INSTRUMENTED_H + +#include <linux/build_bug.h> +#include <linux/compiler.h> +#include <linux/instrumented.h> + +static __always_inline int +atomic_read(const atomic_t *v) +{ + instrument_atomic_read(v, sizeof(*v)); + return arch_atomic_read(v); +} + +static __always_inline int +atomic_read_acquire(const atomic_t *v) +{ + instrument_atomic_read(v, sizeof(*v)); + return arch_atomic_read_acquire(v); +} + +static __always_inline void +atomic_set(atomic_t *v, int i) +{ + instrument_atomic_write(v, sizeof(*v)); + arch_atomic_set(v, i); +} + +static __always_inline void +atomic_set_release(atomic_t *v, int i) +{ + instrument_atomic_write(v, sizeof(*v)); + arch_atomic_set_release(v, i); +} + +static __always_inline void +atomic_add(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_add(i, v); +} + +static __always_inline int +atomic_add_return(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_return(i, v); +} + +static __always_inline int +atomic_add_return_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_return_acquire(i, v); +} + +static __always_inline int +atomic_add_return_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_return_release(i, v); +} + +static __always_inline int +atomic_add_return_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_return_relaxed(i, v); +} + +static __always_inline int +atomic_fetch_add(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_add(i, v); +} + +static __always_inline int +atomic_fetch_add_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_add_acquire(i, v); +} + +static __always_inline int +atomic_fetch_add_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_add_release(i, v); +} + +static __always_inline int +atomic_fetch_add_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_add_relaxed(i, v); +} + +static __always_inline void +atomic_sub(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_sub(i, v); +} + +static __always_inline int +atomic_sub_return(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_sub_return(i, v); +} + +static __always_inline int +atomic_sub_return_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_sub_return_acquire(i, v); +} + +static __always_inline int +atomic_sub_return_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_sub_return_release(i, v); +} + +static __always_inline int +atomic_sub_return_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_sub_return_relaxed(i, v); +} + +static __always_inline int +atomic_fetch_sub(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_sub(i, v); +} + +static __always_inline int +atomic_fetch_sub_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_sub_acquire(i, v); +} + +static __always_inline int +atomic_fetch_sub_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_sub_release(i, v); +} + +static __always_inline int +atomic_fetch_sub_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_sub_relaxed(i, v); +} + +static __always_inline void +atomic_inc(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_inc(v); +} + +static __always_inline int +atomic_inc_return(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_return(v); +} + +static __always_inline int +atomic_inc_return_acquire(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_return_acquire(v); +} + +static __always_inline int +atomic_inc_return_release(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_return_release(v); +} + +static __always_inline int +atomic_inc_return_relaxed(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_return_relaxed(v); +} + +static __always_inline int +atomic_fetch_inc(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_inc(v); +} + +static __always_inline int +atomic_fetch_inc_acquire(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_inc_acquire(v); +} + +static __always_inline int +atomic_fetch_inc_release(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_inc_release(v); +} + +static __always_inline int +atomic_fetch_inc_relaxed(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_inc_relaxed(v); +} + +static __always_inline void +atomic_dec(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_dec(v); +} + +static __always_inline int +atomic_dec_return(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_return(v); +} + +static __always_inline int +atomic_dec_return_acquire(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_return_acquire(v); +} + +static __always_inline int +atomic_dec_return_release(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_return_release(v); +} + +static __always_inline int +atomic_dec_return_relaxed(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_return_relaxed(v); +} + +static __always_inline int +atomic_fetch_dec(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_dec(v); +} + +static __always_inline int +atomic_fetch_dec_acquire(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_dec_acquire(v); +} + +static __always_inline int +atomic_fetch_dec_release(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_dec_release(v); +} + +static __always_inline int +atomic_fetch_dec_relaxed(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_dec_relaxed(v); +} + +static __always_inline void +atomic_and(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_and(i, v); +} + +static __always_inline int +atomic_fetch_and(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_and(i, v); +} + +static __always_inline int +atomic_fetch_and_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_and_acquire(i, v); +} + +static __always_inline int +atomic_fetch_and_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_and_release(i, v); +} + +static __always_inline int +atomic_fetch_and_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_and_relaxed(i, v); +} + +static __always_inline void +atomic_andnot(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_andnot(i, v); +} + +static __always_inline int +atomic_fetch_andnot(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_andnot(i, v); +} + +static __always_inline int +atomic_fetch_andnot_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_andnot_acquire(i, v); +} + +static __always_inline int +atomic_fetch_andnot_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_andnot_release(i, v); +} + +static __always_inline int +atomic_fetch_andnot_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_andnot_relaxed(i, v); +} + +static __always_inline void +atomic_or(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_or(i, v); +} + +static __always_inline int +atomic_fetch_or(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_or(i, v); +} + +static __always_inline int +atomic_fetch_or_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_or_acquire(i, v); +} + +static __always_inline int +atomic_fetch_or_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_or_release(i, v); +} + +static __always_inline int +atomic_fetch_or_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_or_relaxed(i, v); +} + +static __always_inline void +atomic_xor(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_xor(i, v); +} + +static __always_inline int +atomic_fetch_xor(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_xor(i, v); +} + +static __always_inline int +atomic_fetch_xor_acquire(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_xor_acquire(i, v); +} + +static __always_inline int +atomic_fetch_xor_release(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_xor_release(i, v); +} + +static __always_inline int +atomic_fetch_xor_relaxed(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_xor_relaxed(i, v); +} + +static __always_inline int +atomic_xchg(atomic_t *v, int i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_xchg(v, i); +} + +static __always_inline int +atomic_xchg_acquire(atomic_t *v, int i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_xchg_acquire(v, i); +} + +static __always_inline int +atomic_xchg_release(atomic_t *v, int i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_xchg_release(v, i); +} + +static __always_inline int +atomic_xchg_relaxed(atomic_t *v, int i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_xchg_relaxed(v, i); +} + +static __always_inline int +atomic_cmpxchg(atomic_t *v, int old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_cmpxchg(v, old, new); +} + +static __always_inline int +atomic_cmpxchg_acquire(atomic_t *v, int old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_cmpxchg_acquire(v, old, new); +} + +static __always_inline int +atomic_cmpxchg_release(atomic_t *v, int old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_cmpxchg_release(v, old, new); +} + +static __always_inline int +atomic_cmpxchg_relaxed(atomic_t *v, int old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +atomic_try_cmpxchg(atomic_t *v, int *old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_try_cmpxchg(v, old, new); +} + +static __always_inline bool +atomic_try_cmpxchg_acquire(atomic_t *v, int *old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_try_cmpxchg_acquire(v, old, new); +} + +static __always_inline bool +atomic_try_cmpxchg_release(atomic_t *v, int *old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_try_cmpxchg_release(v, old, new); +} + +static __always_inline bool +atomic_try_cmpxchg_relaxed(atomic_t *v, int *old, int new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_try_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +atomic_sub_and_test(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_sub_and_test(i, v); +} + +static __always_inline bool +atomic_dec_and_test(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_and_test(v); +} + +static __always_inline bool +atomic_inc_and_test(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_and_test(v); +} + +static __always_inline bool +atomic_add_negative(int i, atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_negative(i, v); +} + +static __always_inline int +atomic_fetch_add_unless(atomic_t *v, int a, int u) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_fetch_add_unless(v, a, u); +} + +static __always_inline bool +atomic_add_unless(atomic_t *v, int a, int u) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_add_unless(v, a, u); +} + +static __always_inline bool +atomic_inc_not_zero(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_not_zero(v); +} + +static __always_inline bool +atomic_inc_unless_negative(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_inc_unless_negative(v); +} + +static __always_inline bool +atomic_dec_unless_positive(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_unless_positive(v); +} + +static __always_inline int +atomic_dec_if_positive(atomic_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_dec_if_positive(v); +} + +static __always_inline s64 +atomic64_read(const atomic64_t *v) +{ + instrument_atomic_read(v, sizeof(*v)); + return arch_atomic64_read(v); +} + +static __always_inline s64 +atomic64_read_acquire(const atomic64_t *v) +{ + instrument_atomic_read(v, sizeof(*v)); + return arch_atomic64_read_acquire(v); +} + +static __always_inline void +atomic64_set(atomic64_t *v, s64 i) +{ + instrument_atomic_write(v, sizeof(*v)); + arch_atomic64_set(v, i); +} + +static __always_inline void +atomic64_set_release(atomic64_t *v, s64 i) +{ + instrument_atomic_write(v, sizeof(*v)); + arch_atomic64_set_release(v, i); +} + +static __always_inline void +atomic64_add(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_add(i, v); +} + +static __always_inline s64 +atomic64_add_return(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_return(i, v); +} + +static __always_inline s64 +atomic64_add_return_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_return_acquire(i, v); +} + +static __always_inline s64 +atomic64_add_return_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_return_release(i, v); +} + +static __always_inline s64 +atomic64_add_return_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_return_relaxed(i, v); +} + +static __always_inline s64 +atomic64_fetch_add(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_add(i, v); +} + +static __always_inline s64 +atomic64_fetch_add_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_add_acquire(i, v); +} + +static __always_inline s64 +atomic64_fetch_add_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_add_release(i, v); +} + +static __always_inline s64 +atomic64_fetch_add_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_add_relaxed(i, v); +} + +static __always_inline void +atomic64_sub(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_sub(i, v); +} + +static __always_inline s64 +atomic64_sub_return(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_sub_return(i, v); +} + +static __always_inline s64 +atomic64_sub_return_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_sub_return_acquire(i, v); +} + +static __always_inline s64 +atomic64_sub_return_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_sub_return_release(i, v); +} + +static __always_inline s64 +atomic64_sub_return_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_sub_return_relaxed(i, v); +} + +static __always_inline s64 +atomic64_fetch_sub(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_sub(i, v); +} + +static __always_inline s64 +atomic64_fetch_sub_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_sub_acquire(i, v); +} + +static __always_inline s64 +atomic64_fetch_sub_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_sub_release(i, v); +} + +static __always_inline s64 +atomic64_fetch_sub_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_sub_relaxed(i, v); +} + +static __always_inline void +atomic64_inc(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_inc(v); +} + +static __always_inline s64 +atomic64_inc_return(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_return(v); +} + +static __always_inline s64 +atomic64_inc_return_acquire(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_return_acquire(v); +} + +static __always_inline s64 +atomic64_inc_return_release(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_return_release(v); +} + +static __always_inline s64 +atomic64_inc_return_relaxed(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_return_relaxed(v); +} + +static __always_inline s64 +atomic64_fetch_inc(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_inc(v); +} + +static __always_inline s64 +atomic64_fetch_inc_acquire(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_inc_acquire(v); +} + +static __always_inline s64 +atomic64_fetch_inc_release(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_inc_release(v); +} + +static __always_inline s64 +atomic64_fetch_inc_relaxed(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_inc_relaxed(v); +} + +static __always_inline void +atomic64_dec(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_dec(v); +} + +static __always_inline s64 +atomic64_dec_return(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_return(v); +} + +static __always_inline s64 +atomic64_dec_return_acquire(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_return_acquire(v); +} + +static __always_inline s64 +atomic64_dec_return_release(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_return_release(v); +} + +static __always_inline s64 +atomic64_dec_return_relaxed(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_return_relaxed(v); +} + +static __always_inline s64 +atomic64_fetch_dec(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_dec(v); +} + +static __always_inline s64 +atomic64_fetch_dec_acquire(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_dec_acquire(v); +} + +static __always_inline s64 +atomic64_fetch_dec_release(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_dec_release(v); +} + +static __always_inline s64 +atomic64_fetch_dec_relaxed(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_dec_relaxed(v); +} + +static __always_inline void +atomic64_and(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_and(i, v); +} + +static __always_inline s64 +atomic64_fetch_and(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_and(i, v); +} + +static __always_inline s64 +atomic64_fetch_and_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_and_acquire(i, v); +} + +static __always_inline s64 +atomic64_fetch_and_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_and_release(i, v); +} + +static __always_inline s64 +atomic64_fetch_and_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_and_relaxed(i, v); +} + +static __always_inline void +atomic64_andnot(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_andnot(i, v); +} + +static __always_inline s64 +atomic64_fetch_andnot(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_andnot(i, v); +} + +static __always_inline s64 +atomic64_fetch_andnot_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_andnot_acquire(i, v); +} + +static __always_inline s64 +atomic64_fetch_andnot_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_andnot_release(i, v); +} + +static __always_inline s64 +atomic64_fetch_andnot_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_andnot_relaxed(i, v); +} + +static __always_inline void +atomic64_or(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_or(i, v); +} + +static __always_inline s64 +atomic64_fetch_or(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_or(i, v); +} + +static __always_inline s64 +atomic64_fetch_or_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_or_acquire(i, v); +} + +static __always_inline s64 +atomic64_fetch_or_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_or_release(i, v); +} + +static __always_inline s64 +atomic64_fetch_or_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_or_relaxed(i, v); +} + +static __always_inline void +atomic64_xor(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic64_xor(i, v); +} + +static __always_inline s64 +atomic64_fetch_xor(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_xor(i, v); +} + +static __always_inline s64 +atomic64_fetch_xor_acquire(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_xor_acquire(i, v); +} + +static __always_inline s64 +atomic64_fetch_xor_release(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_xor_release(i, v); +} + +static __always_inline s64 +atomic64_fetch_xor_relaxed(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_xor_relaxed(i, v); +} + +static __always_inline s64 +atomic64_xchg(atomic64_t *v, s64 i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_xchg(v, i); +} + +static __always_inline s64 +atomic64_xchg_acquire(atomic64_t *v, s64 i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_xchg_acquire(v, i); +} + +static __always_inline s64 +atomic64_xchg_release(atomic64_t *v, s64 i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_xchg_release(v, i); +} + +static __always_inline s64 +atomic64_xchg_relaxed(atomic64_t *v, s64 i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_xchg_relaxed(v, i); +} + +static __always_inline s64 +atomic64_cmpxchg(atomic64_t *v, s64 old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_cmpxchg(v, old, new); +} + +static __always_inline s64 +atomic64_cmpxchg_acquire(atomic64_t *v, s64 old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_cmpxchg_acquire(v, old, new); +} + +static __always_inline s64 +atomic64_cmpxchg_release(atomic64_t *v, s64 old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_cmpxchg_release(v, old, new); +} + +static __always_inline s64 +atomic64_cmpxchg_relaxed(atomic64_t *v, s64 old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +atomic64_try_cmpxchg(atomic64_t *v, s64 *old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic64_try_cmpxchg(v, old, new); +} + +static __always_inline bool +atomic64_try_cmpxchg_acquire(atomic64_t *v, s64 *old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic64_try_cmpxchg_acquire(v, old, new); +} + +static __always_inline bool +atomic64_try_cmpxchg_release(atomic64_t *v, s64 *old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic64_try_cmpxchg_release(v, old, new); +} + +static __always_inline bool +atomic64_try_cmpxchg_relaxed(atomic64_t *v, s64 *old, s64 new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic64_try_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +atomic64_sub_and_test(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_sub_and_test(i, v); +} + +static __always_inline bool +atomic64_dec_and_test(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_and_test(v); +} + +static __always_inline bool +atomic64_inc_and_test(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_and_test(v); +} + +static __always_inline bool +atomic64_add_negative(s64 i, atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_negative(i, v); +} + +static __always_inline s64 +atomic64_fetch_add_unless(atomic64_t *v, s64 a, s64 u) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_fetch_add_unless(v, a, u); +} + +static __always_inline bool +atomic64_add_unless(atomic64_t *v, s64 a, s64 u) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_add_unless(v, a, u); +} + +static __always_inline bool +atomic64_inc_not_zero(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_not_zero(v); +} + +static __always_inline bool +atomic64_inc_unless_negative(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_inc_unless_negative(v); +} + +static __always_inline bool +atomic64_dec_unless_positive(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_unless_positive(v); +} + +static __always_inline s64 +atomic64_dec_if_positive(atomic64_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic64_dec_if_positive(v); +} + +static __always_inline long +atomic_long_read(const atomic_long_t *v) +{ + instrument_atomic_read(v, sizeof(*v)); + return arch_atomic_long_read(v); +} + +static __always_inline long +atomic_long_read_acquire(const atomic_long_t *v) +{ + instrument_atomic_read(v, sizeof(*v)); + return arch_atomic_long_read_acquire(v); +} + +static __always_inline void +atomic_long_set(atomic_long_t *v, long i) +{ + instrument_atomic_write(v, sizeof(*v)); + arch_atomic_long_set(v, i); +} + +static __always_inline void +atomic_long_set_release(atomic_long_t *v, long i) +{ + instrument_atomic_write(v, sizeof(*v)); + arch_atomic_long_set_release(v, i); +} + +static __always_inline void +atomic_long_add(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_add(i, v); +} + +static __always_inline long +atomic_long_add_return(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_return(i, v); +} + +static __always_inline long +atomic_long_add_return_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_return_acquire(i, v); +} + +static __always_inline long +atomic_long_add_return_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_return_release(i, v); +} + +static __always_inline long +atomic_long_add_return_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_return_relaxed(i, v); +} + +static __always_inline long +atomic_long_fetch_add(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_add(i, v); +} + +static __always_inline long +atomic_long_fetch_add_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_add_acquire(i, v); +} + +static __always_inline long +atomic_long_fetch_add_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_add_release(i, v); +} + +static __always_inline long +atomic_long_fetch_add_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_add_relaxed(i, v); +} + +static __always_inline void +atomic_long_sub(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_sub(i, v); +} + +static __always_inline long +atomic_long_sub_return(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_sub_return(i, v); +} + +static __always_inline long +atomic_long_sub_return_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_sub_return_acquire(i, v); +} + +static __always_inline long +atomic_long_sub_return_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_sub_return_release(i, v); +} + +static __always_inline long +atomic_long_sub_return_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_sub_return_relaxed(i, v); +} + +static __always_inline long +atomic_long_fetch_sub(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_sub(i, v); +} + +static __always_inline long +atomic_long_fetch_sub_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_sub_acquire(i, v); +} + +static __always_inline long +atomic_long_fetch_sub_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_sub_release(i, v); +} + +static __always_inline long +atomic_long_fetch_sub_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_sub_relaxed(i, v); +} + +static __always_inline void +atomic_long_inc(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_inc(v); +} + +static __always_inline long +atomic_long_inc_return(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_return(v); +} + +static __always_inline long +atomic_long_inc_return_acquire(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_return_acquire(v); +} + +static __always_inline long +atomic_long_inc_return_release(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_return_release(v); +} + +static __always_inline long +atomic_long_inc_return_relaxed(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_return_relaxed(v); +} + +static __always_inline long +atomic_long_fetch_inc(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_inc(v); +} + +static __always_inline long +atomic_long_fetch_inc_acquire(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_inc_acquire(v); +} + +static __always_inline long +atomic_long_fetch_inc_release(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_inc_release(v); +} + +static __always_inline long +atomic_long_fetch_inc_relaxed(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_inc_relaxed(v); +} + +static __always_inline void +atomic_long_dec(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_dec(v); +} + +static __always_inline long +atomic_long_dec_return(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_return(v); +} + +static __always_inline long +atomic_long_dec_return_acquire(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_return_acquire(v); +} + +static __always_inline long +atomic_long_dec_return_release(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_return_release(v); +} + +static __always_inline long +atomic_long_dec_return_relaxed(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_return_relaxed(v); +} + +static __always_inline long +atomic_long_fetch_dec(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_dec(v); +} + +static __always_inline long +atomic_long_fetch_dec_acquire(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_dec_acquire(v); +} + +static __always_inline long +atomic_long_fetch_dec_release(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_dec_release(v); +} + +static __always_inline long +atomic_long_fetch_dec_relaxed(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_dec_relaxed(v); +} + +static __always_inline void +atomic_long_and(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_and(i, v); +} + +static __always_inline long +atomic_long_fetch_and(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_and(i, v); +} + +static __always_inline long +atomic_long_fetch_and_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_and_acquire(i, v); +} + +static __always_inline long +atomic_long_fetch_and_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_and_release(i, v); +} + +static __always_inline long +atomic_long_fetch_and_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_and_relaxed(i, v); +} + +static __always_inline void +atomic_long_andnot(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_andnot(i, v); +} + +static __always_inline long +atomic_long_fetch_andnot(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_andnot(i, v); +} + +static __always_inline long +atomic_long_fetch_andnot_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_andnot_acquire(i, v); +} + +static __always_inline long +atomic_long_fetch_andnot_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_andnot_release(i, v); +} + +static __always_inline long +atomic_long_fetch_andnot_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_andnot_relaxed(i, v); +} + +static __always_inline void +atomic_long_or(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_or(i, v); +} + +static __always_inline long +atomic_long_fetch_or(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_or(i, v); +} + +static __always_inline long +atomic_long_fetch_or_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_or_acquire(i, v); +} + +static __always_inline long +atomic_long_fetch_or_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_or_release(i, v); +} + +static __always_inline long +atomic_long_fetch_or_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_or_relaxed(i, v); +} + +static __always_inline void +atomic_long_xor(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + arch_atomic_long_xor(i, v); +} + +static __always_inline long +atomic_long_fetch_xor(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_xor(i, v); +} + +static __always_inline long +atomic_long_fetch_xor_acquire(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_xor_acquire(i, v); +} + +static __always_inline long +atomic_long_fetch_xor_release(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_xor_release(i, v); +} + +static __always_inline long +atomic_long_fetch_xor_relaxed(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_xor_relaxed(i, v); +} + +static __always_inline long +atomic_long_xchg(atomic_long_t *v, long i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_xchg(v, i); +} + +static __always_inline long +atomic_long_xchg_acquire(atomic_long_t *v, long i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_xchg_acquire(v, i); +} + +static __always_inline long +atomic_long_xchg_release(atomic_long_t *v, long i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_xchg_release(v, i); +} + +static __always_inline long +atomic_long_xchg_relaxed(atomic_long_t *v, long i) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_xchg_relaxed(v, i); +} + +static __always_inline long +atomic_long_cmpxchg(atomic_long_t *v, long old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_cmpxchg(v, old, new); +} + +static __always_inline long +atomic_long_cmpxchg_acquire(atomic_long_t *v, long old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_cmpxchg_acquire(v, old, new); +} + +static __always_inline long +atomic_long_cmpxchg_release(atomic_long_t *v, long old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_cmpxchg_release(v, old, new); +} + +static __always_inline long +atomic_long_cmpxchg_relaxed(atomic_long_t *v, long old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +atomic_long_try_cmpxchg(atomic_long_t *v, long *old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_long_try_cmpxchg(v, old, new); +} + +static __always_inline bool +atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_long_try_cmpxchg_acquire(v, old, new); +} + +static __always_inline bool +atomic_long_try_cmpxchg_release(atomic_long_t *v, long *old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_long_try_cmpxchg_release(v, old, new); +} + +static __always_inline bool +atomic_long_try_cmpxchg_relaxed(atomic_long_t *v, long *old, long new) +{ + instrument_atomic_read_write(v, sizeof(*v)); + instrument_atomic_read_write(old, sizeof(*old)); + return arch_atomic_long_try_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +atomic_long_sub_and_test(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_sub_and_test(i, v); +} + +static __always_inline bool +atomic_long_dec_and_test(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_and_test(v); +} + +static __always_inline bool +atomic_long_inc_and_test(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_and_test(v); +} + +static __always_inline bool +atomic_long_add_negative(long i, atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_negative(i, v); +} + +static __always_inline long +atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_fetch_add_unless(v, a, u); +} + +static __always_inline bool +atomic_long_add_unless(atomic_long_t *v, long a, long u) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_add_unless(v, a, u); +} + +static __always_inline bool +atomic_long_inc_not_zero(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_not_zero(v); +} + +static __always_inline bool +atomic_long_inc_unless_negative(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_inc_unless_negative(v); +} + +static __always_inline bool +atomic_long_dec_unless_positive(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_unless_positive(v); +} + +static __always_inline long +atomic_long_dec_if_positive(atomic_long_t *v) +{ + instrument_atomic_read_write(v, sizeof(*v)); + return arch_atomic_long_dec_if_positive(v); +} + +#define xchg(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_xchg(__ai_ptr, __VA_ARGS__); \ +}) + +#define xchg_acquire(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_xchg_acquire(__ai_ptr, __VA_ARGS__); \ +}) + +#define xchg_release(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_xchg_release(__ai_ptr, __VA_ARGS__); \ +}) + +#define xchg_relaxed(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_xchg_relaxed(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg_acquire(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg_acquire(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg_release(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg_release(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg_relaxed(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg_relaxed(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg64(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg64(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg64_acquire(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg64_acquire(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg64_release(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg64_release(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg64_relaxed(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg64_relaxed(__ai_ptr, __VA_ARGS__); \ +}) + +#define try_cmpxchg(ptr, oldp, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + typeof(oldp) __ai_oldp = (oldp); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + arch_try_cmpxchg(__ai_ptr, __ai_oldp, __VA_ARGS__); \ +}) + +#define try_cmpxchg_acquire(ptr, oldp, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + typeof(oldp) __ai_oldp = (oldp); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + arch_try_cmpxchg_acquire(__ai_ptr, __ai_oldp, __VA_ARGS__); \ +}) + +#define try_cmpxchg_release(ptr, oldp, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + typeof(oldp) __ai_oldp = (oldp); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + arch_try_cmpxchg_release(__ai_ptr, __ai_oldp, __VA_ARGS__); \ +}) + +#define try_cmpxchg_relaxed(ptr, oldp, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + typeof(oldp) __ai_oldp = (oldp); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + instrument_atomic_write(__ai_oldp, sizeof(*__ai_oldp)); \ + arch_try_cmpxchg_relaxed(__ai_ptr, __ai_oldp, __VA_ARGS__); \ +}) + +#define cmpxchg_local(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg_local(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg64_local(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_cmpxchg64_local(__ai_ptr, __VA_ARGS__); \ +}) + +#define sync_cmpxchg(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, sizeof(*__ai_ptr)); \ + arch_sync_cmpxchg(__ai_ptr, __VA_ARGS__); \ +}) + +#define cmpxchg_double(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \ + arch_cmpxchg_double(__ai_ptr, __VA_ARGS__); \ +}) + + +#define cmpxchg_double_local(ptr, ...) \ +({ \ + typeof(ptr) __ai_ptr = (ptr); \ + instrument_atomic_write(__ai_ptr, 2 * sizeof(*__ai_ptr)); \ + arch_cmpxchg_double_local(__ai_ptr, __VA_ARGS__); \ +}) + +#endif /* _LINUX_ATOMIC_INSTRUMENTED_H */ +// 2a9553f0a9d5619f19151092df5cabbbf16ce835 diff --git a/include/linux/atomic/atomic-long.h b/include/linux/atomic/atomic-long.h new file mode 100644 index 000000000000..800b8c35992d --- /dev/null +++ b/include/linux/atomic/atomic-long.h @@ -0,0 +1,1014 @@ +// SPDX-License-Identifier: GPL-2.0 + +// Generated by scripts/atomic/gen-atomic-long.sh +// DO NOT MODIFY THIS FILE DIRECTLY + +#ifndef _LINUX_ATOMIC_LONG_H +#define _LINUX_ATOMIC_LONG_H + +#include <linux/compiler.h> +#include <asm/types.h> + +#ifdef CONFIG_64BIT +typedef atomic64_t atomic_long_t; +#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i) +#define atomic_long_cond_read_acquire atomic64_cond_read_acquire +#define atomic_long_cond_read_relaxed atomic64_cond_read_relaxed +#else +typedef atomic_t atomic_long_t; +#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i) +#define atomic_long_cond_read_acquire atomic_cond_read_acquire +#define atomic_long_cond_read_relaxed atomic_cond_read_relaxed +#endif + +#ifdef CONFIG_64BIT + +static __always_inline long +arch_atomic_long_read(const atomic_long_t *v) +{ + return arch_atomic64_read(v); +} + +static __always_inline long +arch_atomic_long_read_acquire(const atomic_long_t *v) +{ + return arch_atomic64_read_acquire(v); +} + +static __always_inline void +arch_atomic_long_set(atomic_long_t *v, long i) +{ + arch_atomic64_set(v, i); +} + +static __always_inline void +arch_atomic_long_set_release(atomic_long_t *v, long i) +{ + arch_atomic64_set_release(v, i); +} + +static __always_inline void +arch_atomic_long_add(long i, atomic_long_t *v) +{ + arch_atomic64_add(i, v); +} + +static __always_inline long +arch_atomic_long_add_return(long i, atomic_long_t *v) +{ + return arch_atomic64_add_return(i, v); +} + +static __always_inline long +arch_atomic_long_add_return_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_add_return_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_add_return_release(long i, atomic_long_t *v) +{ + return arch_atomic64_add_return_release(i, v); +} + +static __always_inline long +arch_atomic_long_add_return_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_add_return_relaxed(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_add(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_add_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_release(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_add_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_add_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_sub(long i, atomic_long_t *v) +{ + arch_atomic64_sub(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return(long i, atomic_long_t *v) +{ + return arch_atomic64_sub_return(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_sub_return_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return_release(long i, atomic_long_t *v) +{ + return arch_atomic64_sub_return_release(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_sub_return_relaxed(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_sub(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_sub_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub_release(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_sub_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_sub_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_inc(atomic_long_t *v) +{ + arch_atomic64_inc(v); +} + +static __always_inline long +arch_atomic_long_inc_return(atomic_long_t *v) +{ + return arch_atomic64_inc_return(v); +} + +static __always_inline long +arch_atomic_long_inc_return_acquire(atomic_long_t *v) +{ + return arch_atomic64_inc_return_acquire(v); +} + +static __always_inline long +arch_atomic_long_inc_return_release(atomic_long_t *v) +{ + return arch_atomic64_inc_return_release(v); +} + +static __always_inline long +arch_atomic_long_inc_return_relaxed(atomic_long_t *v) +{ + return arch_atomic64_inc_return_relaxed(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc(atomic_long_t *v) +{ + return arch_atomic64_fetch_inc(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc_acquire(atomic_long_t *v) +{ + return arch_atomic64_fetch_inc_acquire(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc_release(atomic_long_t *v) +{ + return arch_atomic64_fetch_inc_release(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc_relaxed(atomic_long_t *v) +{ + return arch_atomic64_fetch_inc_relaxed(v); +} + +static __always_inline void +arch_atomic_long_dec(atomic_long_t *v) +{ + arch_atomic64_dec(v); +} + +static __always_inline long +arch_atomic_long_dec_return(atomic_long_t *v) +{ + return arch_atomic64_dec_return(v); +} + +static __always_inline long +arch_atomic_long_dec_return_acquire(atomic_long_t *v) +{ + return arch_atomic64_dec_return_acquire(v); +} + +static __always_inline long +arch_atomic_long_dec_return_release(atomic_long_t *v) +{ + return arch_atomic64_dec_return_release(v); +} + +static __always_inline long +arch_atomic_long_dec_return_relaxed(atomic_long_t *v) +{ + return arch_atomic64_dec_return_relaxed(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec(atomic_long_t *v) +{ + return arch_atomic64_fetch_dec(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec_acquire(atomic_long_t *v) +{ + return arch_atomic64_fetch_dec_acquire(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec_release(atomic_long_t *v) +{ + return arch_atomic64_fetch_dec_release(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec_relaxed(atomic_long_t *v) +{ + return arch_atomic64_fetch_dec_relaxed(v); +} + +static __always_inline void +arch_atomic_long_and(long i, atomic_long_t *v) +{ + arch_atomic64_and(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_and(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_and_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and_release(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_and_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_and_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_andnot(long i, atomic_long_t *v) +{ + arch_atomic64_andnot(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_andnot(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_andnot_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot_release(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_andnot_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_andnot_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_or(long i, atomic_long_t *v) +{ + arch_atomic64_or(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_or(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_or_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or_release(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_or_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_or_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_xor(long i, atomic_long_t *v) +{ + arch_atomic64_xor(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_xor(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor_acquire(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_xor_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor_release(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_xor_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic64_fetch_xor_relaxed(i, v); +} + +static __always_inline long +arch_atomic_long_xchg(atomic_long_t *v, long i) +{ + return arch_atomic64_xchg(v, i); +} + +static __always_inline long +arch_atomic_long_xchg_acquire(atomic_long_t *v, long i) +{ + return arch_atomic64_xchg_acquire(v, i); +} + +static __always_inline long +arch_atomic_long_xchg_release(atomic_long_t *v, long i) +{ + return arch_atomic64_xchg_release(v, i); +} + +static __always_inline long +arch_atomic_long_xchg_relaxed(atomic_long_t *v, long i) +{ + return arch_atomic64_xchg_relaxed(v, i); +} + +static __always_inline long +arch_atomic_long_cmpxchg(atomic_long_t *v, long old, long new) +{ + return arch_atomic64_cmpxchg(v, old, new); +} + +static __always_inline long +arch_atomic_long_cmpxchg_acquire(atomic_long_t *v, long old, long new) +{ + return arch_atomic64_cmpxchg_acquire(v, old, new); +} + +static __always_inline long +arch_atomic_long_cmpxchg_release(atomic_long_t *v, long old, long new) +{ + return arch_atomic64_cmpxchg_release(v, old, new); +} + +static __always_inline long +arch_atomic_long_cmpxchg_relaxed(atomic_long_t *v, long old, long new) +{ + return arch_atomic64_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg(atomic_long_t *v, long *old, long new) +{ + return arch_atomic64_try_cmpxchg(v, (s64 *)old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new) +{ + return arch_atomic64_try_cmpxchg_acquire(v, (s64 *)old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg_release(atomic_long_t *v, long *old, long new) +{ + return arch_atomic64_try_cmpxchg_release(v, (s64 *)old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg_relaxed(atomic_long_t *v, long *old, long new) +{ + return arch_atomic64_try_cmpxchg_relaxed(v, (s64 *)old, new); +} + +static __always_inline bool +arch_atomic_long_sub_and_test(long i, atomic_long_t *v) +{ + return arch_atomic64_sub_and_test(i, v); +} + +static __always_inline bool +arch_atomic_long_dec_and_test(atomic_long_t *v) +{ + return arch_atomic64_dec_and_test(v); +} + +static __always_inline bool +arch_atomic_long_inc_and_test(atomic_long_t *v) +{ + return arch_atomic64_inc_and_test(v); +} + +static __always_inline bool +arch_atomic_long_add_negative(long i, atomic_long_t *v) +{ + return arch_atomic64_add_negative(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u) +{ + return arch_atomic64_fetch_add_unless(v, a, u); +} + +static __always_inline bool +arch_atomic_long_add_unless(atomic_long_t *v, long a, long u) +{ + return arch_atomic64_add_unless(v, a, u); +} + +static __always_inline bool +arch_atomic_long_inc_not_zero(atomic_long_t *v) +{ + return arch_atomic64_inc_not_zero(v); +} + +static __always_inline bool +arch_atomic_long_inc_unless_negative(atomic_long_t *v) +{ + return arch_atomic64_inc_unless_negative(v); +} + +static __always_inline bool +arch_atomic_long_dec_unless_positive(atomic_long_t *v) +{ + return arch_atomic64_dec_unless_positive(v); +} + +static __always_inline long +arch_atomic_long_dec_if_positive(atomic_long_t *v) +{ + return arch_atomic64_dec_if_positive(v); +} + +#else /* CONFIG_64BIT */ + +static __always_inline long +arch_atomic_long_read(const atomic_long_t *v) +{ + return arch_atomic_read(v); +} + +static __always_inline long +arch_atomic_long_read_acquire(const atomic_long_t *v) +{ + return arch_atomic_read_acquire(v); +} + +static __always_inline void +arch_atomic_long_set(atomic_long_t *v, long i) +{ + arch_atomic_set(v, i); +} + +static __always_inline void +arch_atomic_long_set_release(atomic_long_t *v, long i) +{ + arch_atomic_set_release(v, i); +} + +static __always_inline void +arch_atomic_long_add(long i, atomic_long_t *v) +{ + arch_atomic_add(i, v); +} + +static __always_inline long +arch_atomic_long_add_return(long i, atomic_long_t *v) +{ + return arch_atomic_add_return(i, v); +} + +static __always_inline long +arch_atomic_long_add_return_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_add_return_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_add_return_release(long i, atomic_long_t *v) +{ + return arch_atomic_add_return_release(i, v); +} + +static __always_inline long +arch_atomic_long_add_return_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_add_return_relaxed(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_add(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_add_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_release(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_add_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_add_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_sub(long i, atomic_long_t *v) +{ + arch_atomic_sub(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return(long i, atomic_long_t *v) +{ + return arch_atomic_sub_return(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_sub_return_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return_release(long i, atomic_long_t *v) +{ + return arch_atomic_sub_return_release(i, v); +} + +static __always_inline long +arch_atomic_long_sub_return_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_sub_return_relaxed(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_sub(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_sub_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub_release(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_sub_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_sub_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_sub_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_inc(atomic_long_t *v) +{ + arch_atomic_inc(v); +} + +static __always_inline long +arch_atomic_long_inc_return(atomic_long_t *v) +{ + return arch_atomic_inc_return(v); +} + +static __always_inline long +arch_atomic_long_inc_return_acquire(atomic_long_t *v) +{ + return arch_atomic_inc_return_acquire(v); +} + +static __always_inline long +arch_atomic_long_inc_return_release(atomic_long_t *v) +{ + return arch_atomic_inc_return_release(v); +} + +static __always_inline long +arch_atomic_long_inc_return_relaxed(atomic_long_t *v) +{ + return arch_atomic_inc_return_relaxed(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc(atomic_long_t *v) +{ + return arch_atomic_fetch_inc(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc_acquire(atomic_long_t *v) +{ + return arch_atomic_fetch_inc_acquire(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc_release(atomic_long_t *v) +{ + return arch_atomic_fetch_inc_release(v); +} + +static __always_inline long +arch_atomic_long_fetch_inc_relaxed(atomic_long_t *v) +{ + return arch_atomic_fetch_inc_relaxed(v); +} + +static __always_inline void +arch_atomic_long_dec(atomic_long_t *v) +{ + arch_atomic_dec(v); +} + +static __always_inline long +arch_atomic_long_dec_return(atomic_long_t *v) +{ + return arch_atomic_dec_return(v); +} + +static __always_inline long +arch_atomic_long_dec_return_acquire(atomic_long_t *v) +{ + return arch_atomic_dec_return_acquire(v); +} + +static __always_inline long +arch_atomic_long_dec_return_release(atomic_long_t *v) +{ + return arch_atomic_dec_return_release(v); +} + +static __always_inline long +arch_atomic_long_dec_return_relaxed(atomic_long_t *v) +{ + return arch_atomic_dec_return_relaxed(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec(atomic_long_t *v) +{ + return arch_atomic_fetch_dec(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec_acquire(atomic_long_t *v) +{ + return arch_atomic_fetch_dec_acquire(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec_release(atomic_long_t *v) +{ + return arch_atomic_fetch_dec_release(v); +} + +static __always_inline long +arch_atomic_long_fetch_dec_relaxed(atomic_long_t *v) +{ + return arch_atomic_fetch_dec_relaxed(v); +} + +static __always_inline void +arch_atomic_long_and(long i, atomic_long_t *v) +{ + arch_atomic_and(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_and(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_and_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and_release(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_and_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_and_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_and_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_andnot(long i, atomic_long_t *v) +{ + arch_atomic_andnot(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_andnot(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_andnot_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot_release(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_andnot_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_andnot_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_andnot_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_or(long i, atomic_long_t *v) +{ + arch_atomic_or(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_or(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_or_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or_release(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_or_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_or_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_or_relaxed(i, v); +} + +static __always_inline void +arch_atomic_long_xor(long i, atomic_long_t *v) +{ + arch_atomic_xor(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_xor(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor_acquire(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_xor_acquire(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor_release(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_xor_release(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_xor_relaxed(long i, atomic_long_t *v) +{ + return arch_atomic_fetch_xor_relaxed(i, v); +} + +static __always_inline long +arch_atomic_long_xchg(atomic_long_t *v, long i) +{ + return arch_atomic_xchg(v, i); +} + +static __always_inline long +arch_atomic_long_xchg_acquire(atomic_long_t *v, long i) +{ + return arch_atomic_xchg_acquire(v, i); +} + +static __always_inline long +arch_atomic_long_xchg_release(atomic_long_t *v, long i) +{ + return arch_atomic_xchg_release(v, i); +} + +static __always_inline long +arch_atomic_long_xchg_relaxed(atomic_long_t *v, long i) +{ + return arch_atomic_xchg_relaxed(v, i); +} + +static __always_inline long +arch_atomic_long_cmpxchg(atomic_long_t *v, long old, long new) +{ + return arch_atomic_cmpxchg(v, old, new); +} + +static __always_inline long +arch_atomic_long_cmpxchg_acquire(atomic_long_t *v, long old, long new) +{ + return arch_atomic_cmpxchg_acquire(v, old, new); +} + +static __always_inline long +arch_atomic_long_cmpxchg_release(atomic_long_t *v, long old, long new) +{ + return arch_atomic_cmpxchg_release(v, old, new); +} + +static __always_inline long +arch_atomic_long_cmpxchg_relaxed(atomic_long_t *v, long old, long new) +{ + return arch_atomic_cmpxchg_relaxed(v, old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg(atomic_long_t *v, long *old, long new) +{ + return arch_atomic_try_cmpxchg(v, (int *)old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg_acquire(atomic_long_t *v, long *old, long new) +{ + return arch_atomic_try_cmpxchg_acquire(v, (int *)old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg_release(atomic_long_t *v, long *old, long new) +{ + return arch_atomic_try_cmpxchg_release(v, (int *)old, new); +} + +static __always_inline bool +arch_atomic_long_try_cmpxchg_relaxed(atomic_long_t *v, long *old, long new) +{ + return arch_atomic_try_cmpxchg_relaxed(v, (int *)old, new); +} + +static __always_inline bool +arch_atomic_long_sub_and_test(long i, atomic_long_t *v) +{ + return arch_atomic_sub_and_test(i, v); +} + +static __always_inline bool +arch_atomic_long_dec_and_test(atomic_long_t *v) +{ + return arch_atomic_dec_and_test(v); +} + +static __always_inline bool +arch_atomic_long_inc_and_test(atomic_long_t *v) +{ + return arch_atomic_inc_and_test(v); +} + +static __always_inline bool +arch_atomic_long_add_negative(long i, atomic_long_t *v) +{ + return arch_atomic_add_negative(i, v); +} + +static __always_inline long +arch_atomic_long_fetch_add_unless(atomic_long_t *v, long a, long u) +{ + return arch_atomic_fetch_add_unless(v, a, u); +} + +static __always_inline bool +arch_atomic_long_add_unless(atomic_long_t *v, long a, long u) +{ + return arch_atomic_add_unless(v, a, u); +} + +static __always_inline bool +arch_atomic_long_inc_not_zero(atomic_long_t *v) +{ + return arch_atomic_inc_not_zero(v); +} + +static __always_inline bool +arch_atomic_long_inc_unless_negative(atomic_long_t *v) +{ + return arch_atomic_inc_unless_negative(v); +} + +static __always_inline bool +arch_atomic_long_dec_unless_positive(atomic_long_t *v) +{ + return arch_atomic_dec_unless_positive(v); +} + +static __always_inline long +arch_atomic_long_dec_if_positive(atomic_long_t *v) +{ + return arch_atomic_dec_if_positive(v); +} + +#endif /* CONFIG_64BIT */ +#endif /* _LINUX_ATOMIC_LONG_H */ +// e8f0e08ff072b74d180eabe2ad001282b38c2c88 diff --git a/include/linux/avf/virtchnl.h b/include/linux/avf/virtchnl.h index 8612f8fc86c1..db0e099c2399 100644 --- a/include/linux/avf/virtchnl.h +++ b/include/linux/avf/virtchnl.h @@ -412,9 +412,36 @@ VIRTCHNL_CHECK_STRUCT_LEN(12, virtchnl_queue_select); * PF removes the filters and returns status. */ +/* VIRTCHNL_ETHER_ADDR_LEGACY + * Prior to adding the @type member to virtchnl_ether_addr, there were 2 pad + * bytes. Moving forward all VF drivers should not set type to + * VIRTCHNL_ETHER_ADDR_LEGACY. This is only here to not break previous/legacy + * behavior. The control plane function (i.e. PF) can use a best effort method + * of tracking the primary/device unicast in this case, but there is no + * guarantee and functionality depends on the implementation of the PF. + */ + +/* VIRTCHNL_ETHER_ADDR_PRIMARY + * All VF drivers should set @type to VIRTCHNL_ETHER_ADDR_PRIMARY for the + * primary/device unicast MAC address filter for VIRTCHNL_OP_ADD_ETH_ADDR and + * VIRTCHNL_OP_DEL_ETH_ADDR. This allows for the underlying control plane + * function (i.e. PF) to accurately track and use this MAC address for + * displaying on the host and for VM/function reset. + */ + +/* VIRTCHNL_ETHER_ADDR_EXTRA + * All VF drivers should set @type to VIRTCHNL_ETHER_ADDR_EXTRA for any extra + * unicast and/or multicast filters that are being added/deleted via + * VIRTCHNL_OP_DEL_ETH_ADDR/VIRTCHNL_OP_ADD_ETH_ADDR respectively. + */ struct virtchnl_ether_addr { u8 addr[ETH_ALEN]; - u8 pad[2]; + u8 type; +#define VIRTCHNL_ETHER_ADDR_LEGACY 0 +#define VIRTCHNL_ETHER_ADDR_PRIMARY 1 +#define VIRTCHNL_ETHER_ADDR_EXTRA 2 +#define VIRTCHNL_ETHER_ADDR_TYPE_MASK 3 /* first two bits of type are valid */ + u8 pad; }; VIRTCHNL_CHECK_STRUCT_LEN(8, virtchnl_ether_addr); diff --git a/include/linux/backing-dev-defs.h b/include/linux/backing-dev-defs.h index fff9367a6348..33207004cfde 100644 --- a/include/linux/backing-dev-defs.h +++ b/include/linux/backing-dev-defs.h @@ -116,6 +116,7 @@ struct bdi_writeback { struct list_head b_dirty_time; /* time stamps are dirty */ spinlock_t list_lock; /* protects the b_* lists */ + atomic_t writeback_inodes; /* number of inodes under writeback */ struct percpu_counter stat[NR_WB_STAT_ITEMS]; unsigned long congested; /* WB_[a]sync_congested flags */ @@ -142,6 +143,7 @@ struct bdi_writeback { spinlock_t work_lock; /* protects work_list & dwork scheduling */ struct list_head work_list; struct delayed_work dwork; /* work item used for writeback */ + struct delayed_work bw_dwork; /* work item used for bandwidth estimate */ unsigned long dirty_sleep; /* last wait */ @@ -154,6 +156,8 @@ struct bdi_writeback { struct cgroup_subsys_state *blkcg_css; /* and blkcg */ struct list_head memcg_node; /* anchored at memcg->cgwb_list */ struct list_head blkcg_node; /* anchored at blkcg->cgwb_list */ + struct list_head b_attached; /* attached inodes, protected by list_lock */ + struct list_head offline_node; /* anchored at offline_cgwbs */ union { struct work_struct release_work; @@ -239,8 +243,9 @@ static inline void wb_get(struct bdi_writeback *wb) /** * wb_put - decrement a wb's refcount * @wb: bdi_writeback to put + * @nr: number of references to put */ -static inline void wb_put(struct bdi_writeback *wb) +static inline void wb_put_many(struct bdi_writeback *wb, unsigned long nr) { if (WARN_ON_ONCE(!wb->bdi)) { /* @@ -251,7 +256,16 @@ static inline void wb_put(struct bdi_writeback *wb) } if (wb != &wb->bdi->wb) - percpu_ref_put(&wb->refcnt); + percpu_ref_put_many(&wb->refcnt, nr); +} + +/** + * wb_put - decrement a wb's refcount + * @wb: bdi_writeback to put + */ +static inline void wb_put(struct bdi_writeback *wb) +{ + wb_put_many(wb, 1); } /** @@ -280,6 +294,10 @@ static inline void wb_put(struct bdi_writeback *wb) { } +static inline void wb_put_many(struct bdi_writeback *wb, unsigned long nr) +{ +} + static inline bool wb_dying(struct bdi_writeback *wb) { return false; diff --git a/include/linux/backing-dev.h b/include/linux/backing-dev.h index 44df4fcef65c..ac7f231b8825 100644 --- a/include/linux/backing-dev.h +++ b/include/linux/backing-dev.h @@ -143,7 +143,7 @@ static inline struct backing_dev_info *inode_to_bdi(struct inode *inode) sb = inode->i_sb; #ifdef CONFIG_BLOCK if (sb_is_blkdev_sb(sb)) - return I_BDEV(inode)->bd_bdi; + return I_BDEV(inode)->bd_disk->bdi; #endif return sb->s_bdi; } @@ -288,6 +288,17 @@ static inline struct bdi_writeback *inode_to_wb(const struct inode *inode) return inode->i_wb; } +static inline struct bdi_writeback *inode_to_wb_wbc( + struct inode *inode, + struct writeback_control *wbc) +{ + /* + * If wbc does not have inode attached, it means cgroup writeback was + * disabled when wbc started. Just use the default wb in that case. + */ + return wbc->wb ? wbc->wb : &inode_to_bdi(inode)->wb; +} + /** * unlocked_inode_to_wb_begin - begin unlocked inode wb access transaction * @inode: target inode @@ -366,6 +377,14 @@ static inline struct bdi_writeback *inode_to_wb(struct inode *inode) return &inode_to_bdi(inode)->wb; } +static inline struct bdi_writeback *inode_to_wb_wbc( + struct inode *inode, + struct writeback_control *wbc) +{ + return inode_to_wb(inode); +} + + static inline struct bdi_writeback * unlocked_inode_to_wb_begin(struct inode *inode, struct wb_lock_cookie *cookie) { diff --git a/include/linux/bio.h b/include/linux/bio.h index a0b4cfdf62a4..00952e92eae1 100644 --- a/include/linux/bio.h +++ b/include/linux/bio.h @@ -5,7 +5,6 @@ #ifndef __LINUX_BIO_H #define __LINUX_BIO_H -#include <linux/highmem.h> #include <linux/mempool.h> #include <linux/ioprio.h> /* struct bio, bio_vec and BIO_* flags are defined in blk_types.h */ @@ -44,9 +43,6 @@ static inline unsigned int bio_max_segs(unsigned int nr_segs) #define bio_offset(bio) bio_iter_offset((bio), (bio)->bi_iter) #define bio_iovec(bio) bio_iter_iovec((bio), (bio)->bi_iter) -#define bio_multiple_segments(bio) \ - ((bio)->bi_iter.bi_size != bio_iovec(bio).bv_len) - #define bvec_iter_sectors(iter) ((iter).bi_size >> 9) #define bvec_iter_end_sector(iter) ((iter).bi_sector + bvec_iter_sectors((iter))) @@ -271,7 +267,7 @@ static inline void bio_clear_flag(struct bio *bio, unsigned int bit) static inline void bio_get_first_bvec(struct bio *bio, struct bio_vec *bv) { - *bv = bio_iovec(bio); + *bv = mp_bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter); } static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv) @@ -279,10 +275,9 @@ static inline void bio_get_last_bvec(struct bio *bio, struct bio_vec *bv) struct bvec_iter iter = bio->bi_iter; int idx; - if (unlikely(!bio_multiple_segments(bio))) { - *bv = bio_iovec(bio); - return; - } + bio_get_first_bvec(bio, bv); + if (bv->bv_len == bio->bi_iter.bi_size) + return; /* this bio only has a single bvec */ bio_advance_iter(bio, &iter, iter.bi_size); @@ -379,7 +374,7 @@ static inline void bip_set_seed(struct bio_integrity_payload *bip, #endif /* CONFIG_BLK_DEV_INTEGRITY */ -extern void bio_trim(struct bio *bio, int offset, int size); +void bio_trim(struct bio *bio, sector_t offset, sector_t size); extern struct bio *bio_split(struct bio *bio, int sectors, gfp_t gfp, struct bio_set *bs); @@ -405,6 +400,7 @@ static inline struct bio *bio_next_split(struct bio *bio, int sectors, enum { BIOSET_NEED_BVECS = BIT(0), BIOSET_NEED_RESCUER = BIT(1), + BIOSET_PERCPU_CACHE = BIT(2), }; extern int bioset_init(struct bio_set *, unsigned int, unsigned int, int flags); extern void bioset_exit(struct bio_set *); @@ -413,6 +409,8 @@ extern int bioset_init_from_src(struct bio_set *bs, struct bio_set *src); struct bio *bio_alloc_bioset(gfp_t gfp, unsigned short nr_iovecs, struct bio_set *bs); +struct bio *bio_alloc_kiocb(struct kiocb *kiocb, unsigned short nr_vecs, + struct bio_set *bs); struct bio *bio_kmalloc(gfp_t gfp_mask, unsigned short nr_iovecs); extern void bio_put(struct bio *); @@ -523,47 +521,6 @@ static inline void bio_clone_blkg_association(struct bio *dst, struct bio *src) { } #endif /* CONFIG_BLK_CGROUP */ -#ifdef CONFIG_HIGHMEM -/* - * remember never ever reenable interrupts between a bvec_kmap_irq and - * bvec_kunmap_irq! - */ -static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags) -{ - unsigned long addr; - - /* - * might not be a highmem page, but the preempt/irq count - * balancing is a lot nicer this way - */ - local_irq_save(*flags); - addr = (unsigned long) kmap_atomic(bvec->bv_page); - - BUG_ON(addr & ~PAGE_MASK); - - return (char *) addr + bvec->bv_offset; -} - -static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags) -{ - unsigned long ptr = (unsigned long) buffer & PAGE_MASK; - - kunmap_atomic((void *) ptr); - local_irq_restore(*flags); -} - -#else -static inline char *bvec_kmap_irq(struct bio_vec *bvec, unsigned long *flags) -{ - return page_address(bvec->bv_page) + bvec->bv_offset; -} - -static inline void bvec_kunmap_irq(char *buffer, unsigned long *flags) -{ - *flags = 0; -} -#endif - /* * BIO list management for use by remapping drivers (e.g. DM or MD) and loop. * @@ -703,6 +660,11 @@ struct bio_set { struct kmem_cache *bio_slab; unsigned int front_pad; + /* + * per-cpu bio alloc cache + */ + struct bio_alloc_cache __percpu *cache; + mempool_t bio_pool; mempool_t bvec_pool; #if defined(CONFIG_BLK_DEV_INTEGRITY) @@ -719,6 +681,11 @@ struct bio_set { struct bio_list rescue_list; struct work_struct rescue_work; struct workqueue_struct *rescue_workqueue; + + /* + * Hot un-plug notifier for the per-cpu cache, if used + */ + struct hlist_node cpuhp_dead; }; static inline bool bioset_initialized(struct bio_set *bs) @@ -822,4 +789,6 @@ static inline void bio_set_polled(struct bio *bio, struct kiocb *kiocb) bio->bi_opf |= REQ_NOWAIT; } +struct bio *blk_next_bio(struct bio *bio, unsigned int nr_pages, gfp_t gfp); + #endif /* __LINUX_BIO_H */ diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index a36cfcec4e77..37f36dad18bd 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -227,6 +227,12 @@ unsigned int bitmap_ord_to_pos(const unsigned long *bitmap, unsigned int ord, un int bitmap_print_to_pagebuf(bool list, char *buf, const unsigned long *maskp, int nmaskbits); +extern int bitmap_print_bitmask_to_buf(char *buf, const unsigned long *maskp, + int nmaskbits, loff_t off, size_t count); + +extern int bitmap_print_list_to_buf(char *buf, const unsigned long *maskp, + int nmaskbits, loff_t off, size_t count); + #define BITMAP_FIRST_WORD_MASK(start) (~0UL << ((start) & (BITS_PER_LONG - 1))) #define BITMAP_LAST_WORD_MASK(nbits) (~0UL >> (-(nbits) & (BITS_PER_LONG - 1))) diff --git a/include/linux/bitops.h b/include/linux/bitops.h index 26bf15e6cd35..5e62e2383b7f 100644 --- a/include/linux/bitops.h +++ b/include/linux/bitops.h @@ -4,6 +4,7 @@ #include <asm/types.h> #include <linux/bits.h> +#include <linux/typecheck.h> #include <uapi/linux/kernel.h> @@ -253,6 +254,55 @@ static __always_inline void __assign_bit(long nr, volatile unsigned long *addr, __clear_bit(nr, addr); } +/** + * __ptr_set_bit - Set bit in a pointer's value + * @nr: the bit to set + * @addr: the address of the pointer variable + * + * Example: + * void *p = foo(); + * __ptr_set_bit(bit, &p); + */ +#define __ptr_set_bit(nr, addr) \ + ({ \ + typecheck_pointer(*(addr)); \ + __set_bit(nr, (unsigned long *)(addr)); \ + }) + +/** + * __ptr_clear_bit - Clear bit in a pointer's value + * @nr: the bit to clear + * @addr: the address of the pointer variable + * + * Example: + * void *p = foo(); + * __ptr_clear_bit(bit, &p); + */ +#define __ptr_clear_bit(nr, addr) \ + ({ \ + typecheck_pointer(*(addr)); \ + __clear_bit(nr, (unsigned long *)(addr)); \ + }) + +/** + * __ptr_test_bit - Test bit in a pointer's value + * @nr: the bit to test + * @addr: the address of the pointer variable + * + * Example: + * void *p = foo(); + * if (__ptr_test_bit(bit, &p)) { + * ... + * } else { + * ... + * } + */ +#define __ptr_test_bit(nr, addr) \ + ({ \ + typecheck_pointer(*(addr)); \ + test_bit(nr, (unsigned long *)(addr)); \ + }) + #ifdef __KERNEL__ #ifndef set_mask_bits diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h index b9f3c246c3c9..b4de2010fba5 100644 --- a/include/linux/blk-cgroup.h +++ b/include/linux/blk-cgroup.h @@ -30,6 +30,8 @@ /* Max limits for throttle policy */ #define THROTL_IOPS_MAX UINT_MAX +#define FC_APPID_LEN 129 + #ifdef CONFIG_BLK_CGROUP @@ -55,6 +57,9 @@ struct blkcg { struct blkcg_policy_data *cpd[BLKCG_MAX_POLS]; struct list_head all_blkcgs_node; +#ifdef CONFIG_BLK_CGROUP_FC_APPID + char fc_app_id[FC_APPID_LEN]; +#endif #ifdef CONFIG_CGROUP_WRITEBACK struct list_head cgwb_list; #endif @@ -147,8 +152,8 @@ typedef void (blkcg_pol_online_pd_fn)(struct blkg_policy_data *pd); typedef void (blkcg_pol_offline_pd_fn)(struct blkg_policy_data *pd); typedef void (blkcg_pol_free_pd_fn)(struct blkg_policy_data *pd); typedef void (blkcg_pol_reset_pd_stats_fn)(struct blkg_policy_data *pd); -typedef size_t (blkcg_pol_stat_pd_fn)(struct blkg_policy_data *pd, char *buf, - size_t size); +typedef bool (blkcg_pol_stat_pd_fn)(struct blkg_policy_data *pd, + struct seq_file *s); struct blkcg_policy { int plid; @@ -660,4 +665,62 @@ static inline void blk_cgroup_bio_start(struct bio *bio) { } #endif /* CONFIG_BLOCK */ #endif /* CONFIG_BLK_CGROUP */ + +#ifdef CONFIG_BLK_CGROUP_FC_APPID +/* + * Sets the fc_app_id field associted to blkcg + * @app_id: application identifier + * @cgrp_id: cgroup id + * @app_id_len: size of application identifier + */ +static inline int blkcg_set_fc_appid(char *app_id, u64 cgrp_id, size_t app_id_len) +{ + struct cgroup *cgrp; + struct cgroup_subsys_state *css; + struct blkcg *blkcg; + int ret = 0; + + if (app_id_len > FC_APPID_LEN) + return -EINVAL; + + cgrp = cgroup_get_from_id(cgrp_id); + if (!cgrp) + return -ENOENT; + css = cgroup_get_e_css(cgrp, &io_cgrp_subsys); + if (!css) { + ret = -ENOENT; + goto out_cgrp_put; + } + blkcg = css_to_blkcg(css); + /* + * There is a slight race condition on setting the appid. + * Worst case an I/O may not find the right id. + * This is no different from the I/O we let pass while obtaining + * the vmid from the fabric. + * Adding the overhead of a lock is not necessary. + */ + strlcpy(blkcg->fc_app_id, app_id, app_id_len); + css_put(css); +out_cgrp_put: + cgroup_put(cgrp); + return ret; +} + +/** + * blkcg_get_fc_appid - get the fc app identifier associated with a bio + * @bio: target bio + * + * On success return the fc_app_id, on failure return NULL + */ +static inline char *blkcg_get_fc_appid(struct bio *bio) +{ + if (bio && bio->bi_blkg && + (bio->bi_blkg->blkcg->fc_app_id[0] != '\0')) + return bio->bi_blkg->blkcg->fc_app_id; + return NULL; +} +#else +static inline int blkcg_set_fc_appid(char *buf, u64 id, size_t len) { return -EINVAL; } +static inline char *blkcg_get_fc_appid(struct bio *bio) { return NULL; } +#endif /*CONFIG_BLK_CGROUP_FC_APPID*/ #endif /* _BLK_CGROUP_H */ diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index 359486940fa0..13ba1861e688 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -404,7 +404,13 @@ enum { BLK_MQ_F_STACKING = 1 << 2, BLK_MQ_F_TAG_HCTX_SHARED = 1 << 3, BLK_MQ_F_BLOCKING = 1 << 5, + /* Do not allow an I/O scheduler to be configured. */ BLK_MQ_F_NO_SCHED = 1 << 6, + /* + * Select 'none' during queue registration in case of a single hwq + * or shared hwqs instead of 'mq-deadline'. + */ + BLK_MQ_F_NO_SCHED_BY_DEFAULT = 1 << 7, BLK_MQ_F_ALLOC_POLICY_START_BIT = 8, BLK_MQ_F_ALLOC_POLICY_BITS = 1, @@ -426,19 +432,23 @@ enum { ((policy & ((1 << BLK_MQ_F_ALLOC_POLICY_BITS) - 1)) \ << BLK_MQ_F_ALLOC_POLICY_START_BIT) +struct gendisk *__blk_mq_alloc_disk(struct blk_mq_tag_set *set, void *queuedata, + struct lock_class_key *lkclass); +#define blk_mq_alloc_disk(set, queuedata) \ +({ \ + static struct lock_class_key __key; \ + \ + __blk_mq_alloc_disk(set, queuedata, &__key); \ +}) struct request_queue *blk_mq_init_queue(struct blk_mq_tag_set *); -struct request_queue *blk_mq_init_queue_data(struct blk_mq_tag_set *set, - void *queuedata); -struct request_queue *blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, - struct request_queue *q, - bool elevator_init); -struct request_queue *blk_mq_init_sq_queue(struct blk_mq_tag_set *set, - const struct blk_mq_ops *ops, - unsigned int queue_depth, - unsigned int set_flags); +int blk_mq_init_allocated_queue(struct blk_mq_tag_set *set, + struct request_queue *q); void blk_mq_unregister_dev(struct device *, struct request_queue *); int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set); +int blk_mq_alloc_sq_tag_set(struct blk_mq_tag_set *set, + const struct blk_mq_ops *ops, unsigned int queue_depth, + unsigned int set_flags); void blk_mq_free_tag_set(struct blk_mq_tag_set *set); void blk_mq_flush_plug_list(struct blk_plug *plug, bool from_schedule); diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index db026b6ec15a..be622b5a21ed 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -29,23 +29,15 @@ struct block_device { int bd_openers; struct inode * bd_inode; /* will die */ struct super_block * bd_super; - struct mutex bd_mutex; /* open/close mutex */ void * bd_claiming; struct device bd_device; void * bd_holder; int bd_holders; bool bd_write_holder; -#ifdef CONFIG_SYSFS - struct list_head bd_holder_disks; -#endif struct kobject *bd_holder_dir; u8 bd_partno; - /* number of times partitions within this device have been opened. */ - unsigned bd_part_count; - spinlock_t bd_size_lock; /* for bd_inode->i_size updates */ struct gendisk * bd_disk; - struct backing_dev_info *bd_bdi; /* The counter of freeze processes */ int bd_fsfreeze_count; @@ -285,6 +277,7 @@ struct bio { }; #define BIO_RESET_BYTES offsetof(struct bio, bi_max_vecs) +#define BIO_MAX_SECTORS (UINT_MAX >> SECTOR_SHIFT) /* * bio flags @@ -304,6 +297,8 @@ enum { BIO_CGROUP_ACCT, /* has been accounted to a cgroup */ BIO_TRACKED, /* set if bio goes through the rq_qos path */ BIO_REMAPPED, + BIO_ZONE_WRITE_LOCKED, /* Owns a zoned device zone write lock */ + BIO_PERCPU_CACHE, /* can participate in per-cpu alloc cache */ BIO_FLAG_LAST }; @@ -354,9 +349,6 @@ enum req_opf { /* reset all the zone present on the device */ REQ_OP_ZONE_RESET_ALL = 17, - /* SCSI passthrough using struct scsi_request */ - REQ_OP_SCSI_IN = 32, - REQ_OP_SCSI_OUT = 33, /* Driver private requests */ REQ_OP_DRV_IN = 34, REQ_OP_DRV_OUT = 35, diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index f69c75bd6d27..12b9dbcc980e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -11,30 +11,26 @@ #include <linux/minmax.h> #include <linux/timer.h> #include <linux/workqueue.h> -#include <linux/backing-dev-defs.h> #include <linux/wait.h> #include <linux/mempool.h> #include <linux/pfn.h> #include <linux/bio.h> #include <linux/stringify.h> #include <linux/gfp.h> -#include <linux/bsg.h> #include <linux/smp.h> #include <linux/rcupdate.h> #include <linux/percpu-refcount.h> #include <linux/scatterlist.h> #include <linux/blkzoned.h> #include <linux/pm.h> +#include <linux/sbitmap.h> struct module; -struct scsi_ioctl_command; - struct request_queue; struct elevator_queue; struct blk_trace; struct request; struct sg_io_hdr; -struct bsg_job; struct blkcg_gq; struct blk_flush_queue; struct pr_ops; @@ -56,7 +52,7 @@ struct blk_keyslot_manager; * Maximum number of blkcg policies allowed to be registered concurrently. * Defined here to simplify include dependency. */ -#define BLKCG_MAX_POLS 5 +#define BLKCG_MAX_POLS 6 typedef void (rq_end_io_fn)(struct request *, blk_status_t); @@ -239,42 +235,15 @@ struct request { void *end_io_data; }; -static inline bool blk_op_is_scsi(unsigned int op) -{ - return op == REQ_OP_SCSI_IN || op == REQ_OP_SCSI_OUT; -} - -static inline bool blk_op_is_private(unsigned int op) +static inline bool blk_op_is_passthrough(unsigned int op) { + op &= REQ_OP_MASK; return op == REQ_OP_DRV_IN || op == REQ_OP_DRV_OUT; } -static inline bool blk_rq_is_scsi(struct request *rq) -{ - return blk_op_is_scsi(req_op(rq)); -} - -static inline bool blk_rq_is_private(struct request *rq) -{ - return blk_op_is_private(req_op(rq)); -} - static inline bool blk_rq_is_passthrough(struct request *rq) { - return blk_rq_is_scsi(rq) || blk_rq_is_private(rq); -} - -static inline bool bio_is_passthrough(struct bio *bio) -{ - unsigned op = bio_op(bio); - - return blk_op_is_scsi(op) || blk_op_is_private(op); -} - -static inline bool blk_op_is_passthrough(unsigned int op) -{ - return (blk_op_is_scsi(op & REQ_OP_MASK) || - blk_op_is_private(op & REQ_OP_MASK)); + return blk_op_is_passthrough(req_op(rq)); } static inline unsigned short req_get_ioprio(struct request *req) @@ -301,9 +270,6 @@ enum blk_queue_state { #define BLK_TAG_ALLOC_FIFO 0 /* allocate starting from 0 */ #define BLK_TAG_ALLOC_RR 1 /* allocate starting from last allocated tag */ -#define BLK_SCSI_MAX_CMDS (256) -#define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) - /* * Zoned block device models (zoned limit). * @@ -424,8 +390,6 @@ struct request_queue { struct blk_mq_hw_ctx **queue_hw_ctx; unsigned int nr_hw_queues; - struct backing_dev_info *backing_dev_info; - /* * The queue owner gets to use this for whatever they like. * ll_rw_blk doesn't touch it. @@ -450,6 +414,8 @@ struct request_queue { spinlock_t queue_lock; + struct gendisk *disk; + /* * queue kobject */ @@ -493,6 +459,9 @@ struct request_queue { atomic_t nr_active_requests_shared_sbitmap; + struct sbitmap_queue sched_bitmap_tags; + struct sbitmap_queue sched_breserved_tags; + struct list_head icq_list; #ifdef CONFIG_BLK_CGROUP DECLARE_BITMAP (blkcg_pols, BLKCG_MAX_POLS); @@ -529,11 +498,6 @@ struct request_queue { unsigned int max_active_zones; #endif /* CONFIG_BLK_DEV_ZONED */ - /* - * sg stuff - */ - unsigned int sg_timeout; - unsigned int sg_reserved_size; int node; struct mutex debugfs_mutex; #ifdef CONFIG_BLK_DEV_IO_TRACE @@ -560,10 +524,6 @@ struct request_queue { int mq_freeze_depth; -#if defined(CONFIG_BLK_DEV_BSG) - struct bsg_class_device bsg_dev; -#endif - #ifdef CONFIG_BLK_DEV_THROTTLING /* Throttle data */ struct throtl_data *td; @@ -687,8 +647,6 @@ extern void blk_clear_pm_only(struct request_queue *q); dma_map_page_attrs(dev, (bv)->bv_page, (bv)->bv_offset, (bv)->bv_len, \ (dir), (attrs)) -#define queue_to_disk(q) (dev_to_disk(kobj_to_dev((q)->kobj.parent))) - static inline bool queue_is_mq(struct request_queue *q) { return q->mq_ops; @@ -911,16 +869,6 @@ extern blk_status_t blk_insert_cloned_request(struct request_queue *q, struct request *rq); int blk_rq_append_bio(struct request *rq, struct bio *bio); extern void blk_queue_split(struct bio **); -extern int scsi_verify_blk_ioctl(struct block_device *, unsigned int); -extern int scsi_cmd_blk_ioctl(struct block_device *, fmode_t, - unsigned int, void __user *); -extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t, - unsigned int, void __user *); -extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t, - struct scsi_ioctl_command __user *); -extern int get_sg_io_hdr(struct sg_io_hdr *hdr, const void __user *argp); -extern int put_sg_io_hdr(const struct sg_io_hdr *hdr, void __user *argp); - extern int blk_queue_enter(struct request_queue *q, blk_mq_req_flags_t flags); extern void blk_queue_exit(struct request_queue *q); extern void blk_sync_queue(struct request_queue *q); @@ -932,10 +880,12 @@ extern int blk_rq_map_kern(struct request_queue *, struct request *, void *, uns extern int blk_rq_map_user_iov(struct request_queue *, struct request *, struct rq_map_data *, const struct iov_iter *, gfp_t); -extern void blk_execute_rq(struct gendisk *, struct request *, int); extern void blk_execute_rq_nowait(struct gendisk *, struct request *, int, rq_end_io_fn *); +blk_status_t blk_execute_rq(struct gendisk *bd_disk, struct request *rq, + int at_head); + /* Helper to convert REQ_OP_XXX to its string format XXX */ extern const char *blk_op_str(unsigned int op); @@ -962,6 +912,10 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) #define SECTOR_SIZE (1 << SECTOR_SHIFT) #endif +#define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) +#define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) +#define SECTOR_MASK (PAGE_SECTORS - 1) + /* * blk_rq_pos() : the current sector * blk_rq_bytes() : bytes left in the entire request @@ -1008,6 +962,18 @@ static inline unsigned int blk_rq_stats_sectors(const struct request *rq) /* Helper to convert BLK_ZONE_ZONE_XXX to its string format XXX */ const char *blk_zone_cond_str(enum blk_zone_cond zone_cond); +static inline unsigned int bio_zone_no(struct bio *bio) +{ + return blk_queue_zone_no(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + +static inline unsigned int bio_zone_is_seq(struct bio *bio) +{ + return blk_queue_zone_is_seq(bdev_get_queue(bio->bi_bdev), + bio->bi_iter.bi_sector); +} + static inline unsigned int blk_rq_zone_no(struct request *rq) { return blk_queue_zone_no(rq->q, blk_rq_pos(rq)); @@ -1148,7 +1114,7 @@ void blk_queue_zone_write_granularity(struct request_queue *q, unsigned int size); extern void blk_queue_alignment_offset(struct request_queue *q, unsigned int alignment); -void blk_queue_update_readahead(struct request_queue *q); +void disk_update_readahead(struct gendisk *disk); extern void blk_limits_io_min(struct queue_limits *limits, unsigned int min); extern void blk_queue_io_min(struct request_queue *q, unsigned int min); extern void blk_limits_io_opt(struct queue_limits *limits, unsigned int opt); @@ -1209,7 +1175,6 @@ static inline int blk_rq_map_sg(struct request_queue *q, struct request *rq, extern void blk_dump_rq_flags(struct request *, char *); bool __must_check blk_get_queue(struct request_queue *); -struct request_queue *blk_alloc_queue(int node_id); extern void blk_put_queue(struct request_queue *); extern void blk_set_queue_dying(struct request_queue *); @@ -1356,8 +1321,6 @@ static inline int sb_issue_zeroout(struct super_block *sb, sector_t block, gfp_mask, 0); } -extern int blk_verify_command(unsigned char *cmd, fmode_t mode); - static inline bool bdev_is_partition(struct block_device *bdev) { return bdev->bd_partno; @@ -1386,6 +1349,11 @@ static inline unsigned int queue_max_sectors(const struct request_queue *q) return q->limits.max_sectors; } +static inline unsigned int queue_max_bytes(struct request_queue *q) +{ + return min_t(unsigned int, queue_max_sectors(q), INT_MAX >> 9) << 9; +} + static inline unsigned int queue_max_hw_sectors(const struct request_queue *q) { return q->limits.max_hw_sectors; @@ -1531,6 +1499,22 @@ static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector return offset << SECTOR_SHIFT; } +/* + * Two cases of handling DISCARD merge: + * If max_discard_segments > 1, the driver takes every bio + * as a range and send them to controller together. The ranges + * needn't to be contiguous. + * Otherwise, the bios/requests will be handled as same as + * others which should be contiguous. + */ +static inline bool blk_discard_mergable(struct request *req) +{ + if (req_op(req) == REQ_OP_DISCARD && + queue_max_discard_segments(req->q) > 1) + return true; + return false; +} + static inline int bdev_discard_alignment(struct block_device *bdev) { struct request_queue *q = bdev_get_queue(bdev); @@ -1865,6 +1849,13 @@ struct block_device_operations { char *(*devnode)(struct gendisk *disk, umode_t *mode); struct module *owner; const struct pr_ops *pr_ops; + + /* + * Special callback for probing GPT entry at a given sector. + * Needed by Android devices, used by GPT scanner and MMC blk + * driver. + */ + int (*alternative_gpt_sector)(struct gendisk *disk, sector_t *sector); }; #ifdef CONFIG_COMPAT @@ -1994,8 +1985,6 @@ void blkdev_put_no_open(struct block_device *bdev); struct block_device *bdev_alloc(struct gendisk *disk, u8 partno); void bdev_add(struct block_device *bdev, dev_t dev); struct block_device *I_BDEV(struct inode *inode); -struct block_device *bdgrab(struct block_device *bdev); -void bdput(struct block_device *); int truncate_bdev_range(struct block_device *bdev, fmode_t mode, loff_t lstart, loff_t lend); diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h index 2696eb0fc149..537e1b991f11 100644 --- a/include/linux/bootconfig.h +++ b/include/linux/bootconfig.h @@ -16,6 +16,26 @@ #define BOOTCONFIG_ALIGN (1 << BOOTCONFIG_ALIGN_SHIFT) #define BOOTCONFIG_ALIGN_MASK (BOOTCONFIG_ALIGN - 1) +/** + * xbc_calc_checksum() - Calculate checksum of bootconfig + * @data: Bootconfig data. + * @size: The size of the bootconfig data. + * + * Calculate the checksum value of the bootconfig data. + * The checksum will be used with the BOOTCONFIG_MAGIC and the size for + * embedding the bootconfig in the initrd image. + */ +static inline __init u32 xbc_calc_checksum(void *data, u32 size) +{ + unsigned char *p = data; + u32 ret = 0; + + while (size--) + ret += *p++; + + return ret; +} + /* XBC tree node */ struct xbc_node { u16 next; @@ -71,7 +91,7 @@ static inline __init bool xbc_node_is_key(struct xbc_node *node) */ static inline __init bool xbc_node_is_array(struct xbc_node *node) { - return xbc_node_is_value(node) && node->next != 0; + return xbc_node_is_value(node) && node->child != 0; } /** @@ -80,6 +100,8 @@ static inline __init bool xbc_node_is_array(struct xbc_node *node) * * Test the @node is a leaf key node which is a key node and has a value node * or no child. Returns true if it is a leaf node, or false if not. + * Note that the leaf node can have subkey nodes in addition to the + * value node. */ static inline __init bool xbc_node_is_leaf(struct xbc_node *node) { @@ -88,7 +110,7 @@ static inline __init bool xbc_node_is_leaf(struct xbc_node *node) } /* Tree-based key-value access APIs */ -struct xbc_node * __init xbc_node_find_child(struct xbc_node *parent, +struct xbc_node * __init xbc_node_find_subkey(struct xbc_node *parent, const char *key); const char * __init xbc_node_find_value(struct xbc_node *parent, @@ -126,7 +148,24 @@ xbc_find_value(const char *key, struct xbc_node **vnode) */ static inline struct xbc_node * __init xbc_find_node(const char *key) { - return xbc_node_find_child(NULL, key); + return xbc_node_find_subkey(NULL, key); +} + +/** + * xbc_node_get_subkey() - Return the first subkey node if exists + * @node: Parent node + * + * Return the first subkey node of the @node. If the @node has no child + * or only value node, this will return NULL. + */ +static inline struct xbc_node * __init xbc_node_get_subkey(struct xbc_node *node) +{ + struct xbc_node *child = xbc_node_get_child(node); + + if (child && xbc_node_is_value(child)) + return xbc_node_get_next(child); + else + return child; } /** @@ -140,7 +179,7 @@ static inline struct xbc_node * __init xbc_find_node(const char *key) */ #define xbc_array_for_each_value(anode, value) \ for (value = xbc_node_get_data(anode); anode != NULL ; \ - anode = xbc_node_get_next(anode), \ + anode = xbc_node_get_child(anode), \ value = anode ? xbc_node_get_data(anode) : NULL) /** @@ -149,12 +188,25 @@ static inline struct xbc_node * __init xbc_find_node(const char *key) * @child: Iterated XBC node. * * Iterate child nodes of @parent. Each child nodes are stored to @child. + * The @child can be mixture of a value node and subkey nodes. */ #define xbc_node_for_each_child(parent, child) \ for (child = xbc_node_get_child(parent); child != NULL ; \ child = xbc_node_get_next(child)) /** + * xbc_node_for_each_subkey() - Iterate child subkey nodes + * @parent: An XBC node. + * @child: Iterated XBC node. + * + * Iterate subkey nodes of @parent. Each child nodes are stored to @child. + * The @child is only the subkey node. + */ +#define xbc_node_for_each_subkey(parent, child) \ + for (child = xbc_node_get_subkey(parent); child != NULL ; \ + child = xbc_node_get_next(child)) + +/** * xbc_node_for_each_array_value() - Iterate array entries of geven key * @node: An XBC node. * @key: A key string searched under @node @@ -162,16 +214,16 @@ static inline struct xbc_node * __init xbc_find_node(const char *key) * @value: Iterated value of array entry. * * Iterate array entries of given @key under @node. Each array entry node - * is stroed to @anode and @value. If the @node doesn't have @key node, + * is stored to @anode and @value. If the @node doesn't have @key node, * it does nothing. * Note that even if the found key node has only one value (not array) - * this executes block once. Hoever, if the found key node has no value + * this executes block once. However, if the found key node has no value * (key-only node), this does nothing. So don't use this for testing the * key-value pair existence. */ #define xbc_node_for_each_array_value(node, key, anode, value) \ for (value = xbc_node_find_value(node, key, &anode); value != NULL; \ - anode = xbc_node_get_next(anode), \ + anode = xbc_node_get_child(anode), \ value = anode ? xbc_node_get_data(anode) : NULL) /** diff --git a/include/linux/bootmem_info.h b/include/linux/bootmem_info.h new file mode 100644 index 000000000000..2bc8b1f69c93 --- /dev/null +++ b/include/linux/bootmem_info.h @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __LINUX_BOOTMEM_INFO_H +#define __LINUX_BOOTMEM_INFO_H + +#include <linux/mm.h> + +/* + * Types for free bootmem stored in page->lru.next. These have to be in + * some random range in unsigned long space for debugging purposes. + */ +enum { + MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE = 12, + SECTION_INFO = MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE, + MIX_SECTION_INFO, + NODE_INFO, + MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE = NODE_INFO, +}; + +#ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE +void __init register_page_bootmem_info_node(struct pglist_data *pgdat); + +void get_page_bootmem(unsigned long info, struct page *page, + unsigned long type); +void put_page_bootmem(struct page *page); + +/* + * Any memory allocated via the memblock allocator and not via the + * buddy will be marked reserved already in the memmap. For those + * pages, we can call this function to free it to buddy allocator. + */ +static inline void free_bootmem_page(struct page *page) +{ + unsigned long magic = (unsigned long)page->freelist; + + /* + * The reserve_bootmem_region sets the reserved flag on bootmem + * pages. + */ + VM_BUG_ON_PAGE(page_ref_count(page) != 2, page); + + if (magic == SECTION_INFO || magic == MIX_SECTION_INFO) + put_page_bootmem(page); + else + VM_BUG_ON_PAGE(1, page); +} +#else +static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) +{ +} + +static inline void put_page_bootmem(struct page *page) +{ +} + +static inline void get_page_bootmem(unsigned long info, struct page *page, + unsigned long type) +{ +} + +static inline void free_bootmem_page(struct page *page) +{ + free_reserved_page(page); +} +#endif + +#endif /* __LINUX_BOOTMEM_INFO_H */ diff --git a/include/linux/bpf-cgroup.h b/include/linux/bpf-cgroup.h index 8b77d08d4b47..2746fd804216 100644 --- a/include/linux/bpf-cgroup.h +++ b/include/linux/bpf-cgroup.h @@ -23,22 +23,73 @@ struct ctl_table_header; struct task_struct; #ifdef CONFIG_CGROUP_BPF +enum cgroup_bpf_attach_type { + CGROUP_BPF_ATTACH_TYPE_INVALID = -1, + CGROUP_INET_INGRESS = 0, + CGROUP_INET_EGRESS, + CGROUP_INET_SOCK_CREATE, + CGROUP_SOCK_OPS, + CGROUP_DEVICE, + CGROUP_INET4_BIND, + CGROUP_INET6_BIND, + CGROUP_INET4_CONNECT, + CGROUP_INET6_CONNECT, + CGROUP_INET4_POST_BIND, + CGROUP_INET6_POST_BIND, + CGROUP_UDP4_SENDMSG, + CGROUP_UDP6_SENDMSG, + CGROUP_SYSCTL, + CGROUP_UDP4_RECVMSG, + CGROUP_UDP6_RECVMSG, + CGROUP_GETSOCKOPT, + CGROUP_SETSOCKOPT, + CGROUP_INET4_GETPEERNAME, + CGROUP_INET6_GETPEERNAME, + CGROUP_INET4_GETSOCKNAME, + CGROUP_INET6_GETSOCKNAME, + CGROUP_INET_SOCK_RELEASE, + MAX_CGROUP_BPF_ATTACH_TYPE +}; -extern struct static_key_false cgroup_bpf_enabled_key[MAX_BPF_ATTACH_TYPE]; -#define cgroup_bpf_enabled(type) static_branch_unlikely(&cgroup_bpf_enabled_key[type]) +#define CGROUP_ATYPE(type) \ + case BPF_##type: return type -#define BPF_CGROUP_STORAGE_NEST_MAX 8 +static inline enum cgroup_bpf_attach_type +to_cgroup_bpf_attach_type(enum bpf_attach_type attach_type) +{ + switch (attach_type) { + CGROUP_ATYPE(CGROUP_INET_INGRESS); + CGROUP_ATYPE(CGROUP_INET_EGRESS); + CGROUP_ATYPE(CGROUP_INET_SOCK_CREATE); + CGROUP_ATYPE(CGROUP_SOCK_OPS); + CGROUP_ATYPE(CGROUP_DEVICE); + CGROUP_ATYPE(CGROUP_INET4_BIND); + CGROUP_ATYPE(CGROUP_INET6_BIND); + CGROUP_ATYPE(CGROUP_INET4_CONNECT); + CGROUP_ATYPE(CGROUP_INET6_CONNECT); + CGROUP_ATYPE(CGROUP_INET4_POST_BIND); + CGROUP_ATYPE(CGROUP_INET6_POST_BIND); + CGROUP_ATYPE(CGROUP_UDP4_SENDMSG); + CGROUP_ATYPE(CGROUP_UDP6_SENDMSG); + CGROUP_ATYPE(CGROUP_SYSCTL); + CGROUP_ATYPE(CGROUP_UDP4_RECVMSG); + CGROUP_ATYPE(CGROUP_UDP6_RECVMSG); + CGROUP_ATYPE(CGROUP_GETSOCKOPT); + CGROUP_ATYPE(CGROUP_SETSOCKOPT); + CGROUP_ATYPE(CGROUP_INET4_GETPEERNAME); + CGROUP_ATYPE(CGROUP_INET6_GETPEERNAME); + CGROUP_ATYPE(CGROUP_INET4_GETSOCKNAME); + CGROUP_ATYPE(CGROUP_INET6_GETSOCKNAME); + CGROUP_ATYPE(CGROUP_INET_SOCK_RELEASE); + default: + return CGROUP_BPF_ATTACH_TYPE_INVALID; + } +} -struct bpf_cgroup_storage_info { - struct task_struct *task; - struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]; -}; +#undef CGROUP_ATYPE -/* For each cpu, permit maximum BPF_CGROUP_STORAGE_NEST_MAX number of tasks - * to use bpf cgroup storage simultaneously. - */ -DECLARE_PER_CPU(struct bpf_cgroup_storage_info, - bpf_cgroup_storage_info[BPF_CGROUP_STORAGE_NEST_MAX]); +extern struct static_key_false cgroup_bpf_enabled_key[MAX_CGROUP_BPF_ATTACH_TYPE]; +#define cgroup_bpf_enabled(atype) static_branch_unlikely(&cgroup_bpf_enabled_key[atype]) #define for_each_cgroup_storage_type(stype) \ for (stype = 0; stype < MAX_BPF_CGROUP_STORAGE_TYPE; stype++) @@ -80,15 +131,15 @@ struct bpf_prog_array; struct cgroup_bpf { /* array of effective progs in this cgroup */ - struct bpf_prog_array __rcu *effective[MAX_BPF_ATTACH_TYPE]; + struct bpf_prog_array __rcu *effective[MAX_CGROUP_BPF_ATTACH_TYPE]; /* attached progs to this cgroup and attach flags * when flags == 0 or BPF_F_ALLOW_OVERRIDE the progs list will * have either zero or one element * when BPF_F_ALLOW_MULTI the list can have up to BPF_CGROUP_MAX_PROGS */ - struct list_head progs[MAX_BPF_ATTACH_TYPE]; - u32 flags[MAX_BPF_ATTACH_TYPE]; + struct list_head progs[MAX_CGROUP_BPF_ATTACH_TYPE]; + u32 flags[MAX_CGROUP_BPF_ATTACH_TYPE]; /* list of cgroup shared storages */ struct list_head storages; @@ -128,28 +179,28 @@ int cgroup_bpf_query(struct cgroup *cgrp, const union bpf_attr *attr, int __cgroup_bpf_run_filter_skb(struct sock *sk, struct sk_buff *skb, - enum bpf_attach_type type); + enum cgroup_bpf_attach_type atype); int __cgroup_bpf_run_filter_sk(struct sock *sk, - enum bpf_attach_type type); + enum cgroup_bpf_attach_type atype); int __cgroup_bpf_run_filter_sock_addr(struct sock *sk, struct sockaddr *uaddr, - enum bpf_attach_type type, + enum cgroup_bpf_attach_type atype, void *t_ctx, u32 *flags); int __cgroup_bpf_run_filter_sock_ops(struct sock *sk, struct bpf_sock_ops_kern *sock_ops, - enum bpf_attach_type type); + enum cgroup_bpf_attach_type atype); int __cgroup_bpf_check_dev_permission(short dev_type, u32 major, u32 minor, - short access, enum bpf_attach_type type); + short access, enum cgroup_bpf_attach_type atype); int __cgroup_bpf_run_filter_sysctl(struct ctl_table_header *head, struct ctl_table *table, int write, char **buf, size_t *pcount, loff_t *ppos, - enum bpf_attach_type type); + enum cgroup_bpf_attach_type atype); int __cgroup_bpf_run_filter_setsockopt(struct sock *sock, int *level, int *optname, char __user *optval, @@ -172,44 +223,6 @@ static inline enum bpf_cgroup_storage_type cgroup_storage_type( return BPF_CGROUP_STORAGE_SHARED; } -static inline int bpf_cgroup_storage_set(struct bpf_cgroup_storage - *storage[MAX_BPF_CGROUP_STORAGE_TYPE]) -{ - enum bpf_cgroup_storage_type stype; - int i, err = 0; - - preempt_disable(); - for (i = 0; i < BPF_CGROUP_STORAGE_NEST_MAX; i++) { - if (unlikely(this_cpu_read(bpf_cgroup_storage_info[i].task) != NULL)) - continue; - - this_cpu_write(bpf_cgroup_storage_info[i].task, current); - for_each_cgroup_storage_type(stype) - this_cpu_write(bpf_cgroup_storage_info[i].storage[stype], - storage[stype]); - goto out; - } - err = -EBUSY; - WARN_ON_ONCE(1); - -out: - preempt_enable(); - return err; -} - -static inline void bpf_cgroup_storage_unset(void) -{ - int i; - - for (i = 0; i < BPF_CGROUP_STORAGE_NEST_MAX; i++) { - if (unlikely(this_cpu_read(bpf_cgroup_storage_info[i].task) != current)) - continue; - - this_cpu_write(bpf_cgroup_storage_info[i].task, NULL); - return; - } -} - struct bpf_cgroup_storage * cgroup_storage_lookup(struct bpf_cgroup_storage_map *map, void *key, bool locked); @@ -230,9 +243,9 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk, skb) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_INET_INGRESS)) \ + if (cgroup_bpf_enabled(CGROUP_INET_INGRESS)) \ __ret = __cgroup_bpf_run_filter_skb(sk, skb, \ - BPF_CGROUP_INET_INGRESS); \ + CGROUP_INET_INGRESS); \ \ __ret; \ }) @@ -240,54 +253,54 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk, skb) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_INET_EGRESS) && sk && sk == skb->sk) { \ + if (cgroup_bpf_enabled(CGROUP_INET_EGRESS) && sk && sk == skb->sk) { \ typeof(sk) __sk = sk_to_full_sk(sk); \ if (sk_fullsock(__sk)) \ __ret = __cgroup_bpf_run_filter_skb(__sk, skb, \ - BPF_CGROUP_INET_EGRESS); \ + CGROUP_INET_EGRESS); \ } \ __ret; \ }) -#define BPF_CGROUP_RUN_SK_PROG(sk, type) \ +#define BPF_CGROUP_RUN_SK_PROG(sk, atype) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(type)) { \ - __ret = __cgroup_bpf_run_filter_sk(sk, type); \ + if (cgroup_bpf_enabled(atype)) { \ + __ret = __cgroup_bpf_run_filter_sk(sk, atype); \ } \ __ret; \ }) #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) \ - BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET_SOCK_CREATE) + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_CREATE) #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) \ - BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET_SOCK_RELEASE) + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET_SOCK_RELEASE) #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) \ - BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET4_POST_BIND) + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET4_POST_BIND) #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) \ - BPF_CGROUP_RUN_SK_PROG(sk, BPF_CGROUP_INET6_POST_BIND) + BPF_CGROUP_RUN_SK_PROG(sk, CGROUP_INET6_POST_BIND) -#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, type) \ +#define BPF_CGROUP_RUN_SA_PROG(sk, uaddr, atype) \ ({ \ u32 __unused_flags; \ int __ret = 0; \ - if (cgroup_bpf_enabled(type)) \ - __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \ + if (cgroup_bpf_enabled(atype)) \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, atype, \ NULL, \ &__unused_flags); \ __ret; \ }) -#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx) \ +#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, atype, t_ctx) \ ({ \ u32 __unused_flags; \ int __ret = 0; \ - if (cgroup_bpf_enabled(type)) { \ + if (cgroup_bpf_enabled(atype)) { \ lock_sock(sk); \ - __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, atype, \ t_ctx, \ &__unused_flags); \ release_sock(sk); \ @@ -300,13 +313,13 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, * (at bit position 0) is to indicate CAP_NET_BIND_SERVICE capability check * should be bypassed (BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE). */ -#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, type, bind_flags) \ +#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, atype, bind_flags) \ ({ \ u32 __flags = 0; \ int __ret = 0; \ - if (cgroup_bpf_enabled(type)) { \ + if (cgroup_bpf_enabled(atype)) { \ lock_sock(sk); \ - __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, type, \ + __ret = __cgroup_bpf_run_filter_sock_addr(sk, uaddr, atype, \ NULL, &__flags); \ release_sock(sk); \ if (__flags & BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE) \ @@ -316,33 +329,33 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, }) #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) \ - ((cgroup_bpf_enabled(BPF_CGROUP_INET4_CONNECT) || \ - cgroup_bpf_enabled(BPF_CGROUP_INET6_CONNECT)) && \ + ((cgroup_bpf_enabled(CGROUP_INET4_CONNECT) || \ + cgroup_bpf_enabled(CGROUP_INET6_CONNECT)) && \ (sk)->sk_prot->pre_connect) #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET4_CONNECT) + BPF_CGROUP_RUN_SA_PROG(sk, uaddr, CGROUP_INET4_CONNECT) #define BPF_CGROUP_RUN_PROG_INET6_CONNECT(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG(sk, uaddr, BPF_CGROUP_INET6_CONNECT) + BPF_CGROUP_RUN_SA_PROG(sk, uaddr, CGROUP_INET6_CONNECT) #define BPF_CGROUP_RUN_PROG_INET4_CONNECT_LOCK(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET4_CONNECT, NULL) + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_INET4_CONNECT, NULL) #define BPF_CGROUP_RUN_PROG_INET6_CONNECT_LOCK(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_INET6_CONNECT, NULL) + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_INET6_CONNECT, NULL) #define BPF_CGROUP_RUN_PROG_UDP4_SENDMSG_LOCK(sk, uaddr, t_ctx) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_SENDMSG, t_ctx) + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP4_SENDMSG, t_ctx) #define BPF_CGROUP_RUN_PROG_UDP6_SENDMSG_LOCK(sk, uaddr, t_ctx) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_SENDMSG, t_ctx) + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP6_SENDMSG, t_ctx) #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP4_RECVMSG, NULL) + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP4_RECVMSG, NULL) #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) \ - BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, BPF_CGROUP_UDP6_RECVMSG, NULL) + BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, CGROUP_UDP6_RECVMSG, NULL) /* The SOCK_OPS"_SK" macro should be used when sock_ops->sk is not a * fullsock and its parent fullsock cannot be traced by @@ -362,33 +375,33 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_SOCK_OPS_SK(sock_ops, sk) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_SOCK_OPS)) \ + if (cgroup_bpf_enabled(CGROUP_SOCK_OPS)) \ __ret = __cgroup_bpf_run_filter_sock_ops(sk, \ sock_ops, \ - BPF_CGROUP_SOCK_OPS); \ + CGROUP_SOCK_OPS); \ __ret; \ }) #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ + if (cgroup_bpf_enabled(CGROUP_SOCK_OPS) && (sock_ops)->sk) { \ typeof(sk) __sk = sk_to_full_sk((sock_ops)->sk); \ if (__sk && sk_fullsock(__sk)) \ __ret = __cgroup_bpf_run_filter_sock_ops(__sk, \ sock_ops, \ - BPF_CGROUP_SOCK_OPS); \ + CGROUP_SOCK_OPS); \ } \ __ret; \ }) -#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type, major, minor, access) \ +#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_DEVICE)) \ - __ret = __cgroup_bpf_check_dev_permission(type, major, minor, \ + if (cgroup_bpf_enabled(CGROUP_DEVICE)) \ + __ret = __cgroup_bpf_check_dev_permission(atype, major, minor, \ access, \ - BPF_CGROUP_DEVICE); \ + CGROUP_DEVICE); \ \ __ret; \ }) @@ -397,10 +410,10 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_RUN_PROG_SYSCTL(head, table, write, buf, count, pos) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_SYSCTL)) \ + if (cgroup_bpf_enabled(CGROUP_SYSCTL)) \ __ret = __cgroup_bpf_run_filter_sysctl(head, table, write, \ buf, count, pos, \ - BPF_CGROUP_SYSCTL); \ + CGROUP_SYSCTL); \ __ret; \ }) @@ -408,7 +421,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, kernel_optval) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_SETSOCKOPT)) \ + if (cgroup_bpf_enabled(CGROUP_SETSOCKOPT)) \ __ret = __cgroup_bpf_run_filter_setsockopt(sock, level, \ optname, optval, \ optlen, \ @@ -419,7 +432,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) \ ({ \ int __ret = 0; \ - if (cgroup_bpf_enabled(BPF_CGROUP_GETSOCKOPT)) \ + if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ get_user(__ret, optlen); \ __ret; \ }) @@ -428,7 +441,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, max_optlen, retval) \ ({ \ int __ret = retval; \ - if (cgroup_bpf_enabled(BPF_CGROUP_GETSOCKOPT)) \ + if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ if (!(sock)->sk_prot->bpf_bypass_getsockopt || \ !INDIRECT_CALL_INET_1((sock)->sk_prot->bpf_bypass_getsockopt, \ tcp_bpf_bypass_getsockopt, \ @@ -443,7 +456,7 @@ int bpf_percpu_cgroup_storage_update(struct bpf_map *map, void *key, optlen, retval) \ ({ \ int __ret = retval; \ - if (cgroup_bpf_enabled(BPF_CGROUP_GETSOCKOPT)) \ + if (cgroup_bpf_enabled(CGROUP_GETSOCKOPT)) \ __ret = __cgroup_bpf_run_filter_getsockopt_kern( \ sock, level, optname, optval, optlen, retval); \ __ret; \ @@ -487,9 +500,6 @@ static inline int cgroup_bpf_prog_query(const union bpf_attr *attr, return -EINVAL; } -static inline int bpf_cgroup_storage_set( - struct bpf_cgroup_storage *storage[MAX_BPF_CGROUP_STORAGE_TYPE]) { return 0; } -static inline void bpf_cgroup_storage_unset(void) {} static inline int bpf_cgroup_storage_assign(struct bpf_prog_aux *aux, struct bpf_map *map) { return 0; } static inline struct bpf_cgroup_storage *bpf_cgroup_storage_alloc( @@ -505,14 +515,14 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, return 0; } -#define cgroup_bpf_enabled(type) (0) -#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, type, t_ctx) ({ 0; }) +#define cgroup_bpf_enabled(atype) (0) +#define BPF_CGROUP_RUN_SA_PROG_LOCK(sk, uaddr, atype, t_ctx) ({ 0; }) #define BPF_CGROUP_PRE_CONNECT_ENABLED(sk) (0) #define BPF_CGROUP_RUN_PROG_INET_INGRESS(sk,skb) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET_EGRESS(sk,skb) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET_SOCK(sk) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET_SOCK_RELEASE(sk) ({ 0; }) -#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, type, flags) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_INET_BIND_LOCK(sk, uaddr, atype, flags) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET4_POST_BIND(sk) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET6_POST_BIND(sk) ({ 0; }) #define BPF_CGROUP_RUN_PROG_INET4_CONNECT(sk, uaddr) ({ 0; }) @@ -524,7 +534,7 @@ static inline int bpf_percpu_cgroup_storage_update(struct bpf_map *map, #define BPF_CGROUP_RUN_PROG_UDP4_RECVMSG_LOCK(sk, uaddr) ({ 0; }) #define BPF_CGROUP_RUN_PROG_UDP6_RECVMSG_LOCK(sk, uaddr) ({ 0; }) #define BPF_CGROUP_RUN_PROG_SOCK_OPS(sock_ops) ({ 0; }) -#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(type,major,minor,access) ({ 0; }) +#define BPF_CGROUP_RUN_PROG_DEVICE_CGROUP(atype, major, minor, access) ({ 0; }) #define BPF_CGROUP_RUN_PROG_SYSCTL(head,table,write,buf,count,pos) ({ 0; }) #define BPF_CGROUP_GETSOCKOPT_MAX_OPTLEN(optlen) ({ 0; }) #define BPF_CGROUP_RUN_PROG_GETSOCKOPT(sock, level, optname, optval, \ diff --git a/include/linux/bpf.h b/include/linux/bpf.h index 02b02cb29ce2..3db6f6c95489 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -22,6 +22,7 @@ #include <linux/sched/mm.h> #include <linux/slab.h> #include <linux/percpu-refcount.h> +#include <linux/bpfptr.h> struct bpf_verifier_env; struct bpf_verifier_log; @@ -69,6 +70,8 @@ struct bpf_map_ops { void *(*map_lookup_elem_sys_only)(struct bpf_map *map, void *key); int (*map_lookup_batch)(struct bpf_map *map, const union bpf_attr *attr, union bpf_attr __user *uattr); + int (*map_lookup_and_delete_elem)(struct bpf_map *map, void *key, + void *value, u64 flags); int (*map_lookup_and_delete_batch)(struct bpf_map *map, const union bpf_attr *attr, union bpf_attr __user *uattr); @@ -165,6 +168,7 @@ struct bpf_map { u32 max_entries; u32 map_flags; int spin_lock_off; /* >=0 valid offset, <0 error */ + int timer_off; /* >=0 valid offset, <0 error */ u32 id; int numa_node; u32 btf_key_type_id; @@ -194,30 +198,53 @@ static inline bool map_value_has_spin_lock(const struct bpf_map *map) return map->spin_lock_off >= 0; } -static inline void check_and_init_map_lock(struct bpf_map *map, void *dst) +static inline bool map_value_has_timer(const struct bpf_map *map) { - if (likely(!map_value_has_spin_lock(map))) - return; - *(struct bpf_spin_lock *)(dst + map->spin_lock_off) = - (struct bpf_spin_lock){}; + return map->timer_off >= 0; } -/* copy everything but bpf_spin_lock */ +static inline void check_and_init_map_value(struct bpf_map *map, void *dst) +{ + if (unlikely(map_value_has_spin_lock(map))) + *(struct bpf_spin_lock *)(dst + map->spin_lock_off) = + (struct bpf_spin_lock){}; + if (unlikely(map_value_has_timer(map))) + *(struct bpf_timer *)(dst + map->timer_off) = + (struct bpf_timer){}; +} + +/* copy everything but bpf_spin_lock and bpf_timer. There could be one of each. */ static inline void copy_map_value(struct bpf_map *map, void *dst, void *src) { + u32 s_off = 0, s_sz = 0, t_off = 0, t_sz = 0; + if (unlikely(map_value_has_spin_lock(map))) { - u32 off = map->spin_lock_off; + s_off = map->spin_lock_off; + s_sz = sizeof(struct bpf_spin_lock); + } else if (unlikely(map_value_has_timer(map))) { + t_off = map->timer_off; + t_sz = sizeof(struct bpf_timer); + } - memcpy(dst, src, off); - memcpy(dst + off + sizeof(struct bpf_spin_lock), - src + off + sizeof(struct bpf_spin_lock), - map->value_size - off - sizeof(struct bpf_spin_lock)); + if (unlikely(s_sz || t_sz)) { + if (s_off < t_off || !s_sz) { + swap(s_off, t_off); + swap(s_sz, t_sz); + } + memcpy(dst, src, t_off); + memcpy(dst + t_off + t_sz, + src + t_off + t_sz, + s_off - t_off - t_sz); + memcpy(dst + s_off + s_sz, + src + s_off + s_sz, + map->value_size - s_off - s_sz); } else { memcpy(dst, src, map->value_size); } } void copy_map_value_locked(struct bpf_map *map, void *dst, void *src, bool lock_src); +void bpf_timer_cancel_and_free(void *timer); int bpf_obj_name_cpy(char *dst, const char *src, unsigned int size); struct bpf_offload_dev; @@ -311,6 +338,7 @@ enum bpf_arg_type { ARG_PTR_TO_FUNC, /* pointer to a bpf program function */ ARG_PTR_TO_STACK_OR_NULL, /* pointer to stack or NULL */ ARG_PTR_TO_CONST_STR, /* pointer to a null terminated read-only string */ + ARG_PTR_TO_TIMER, /* pointer to bpf_timer */ __BPF_ARG_TYPE_MAX, }; @@ -550,6 +578,12 @@ struct btf_func_model { * programs only. Should not be used with normal calls and indirect calls. */ #define BPF_TRAMP_F_SKIP_FRAME BIT(2) +/* Store IP address of the caller on the trampoline stack, + * so it's available for trampoline's programs. + */ +#define BPF_TRAMP_F_IP_ARG BIT(3) +/* Return the return value of fentry prog. Only used by bpf_struct_ops. */ +#define BPF_TRAMP_F_RET_FENTRY_RET BIT(4) /* Each call __bpf_prog_enter + call bpf_func + call __bpf_prog_exit is ~50 * bytes on x86. Pick a number to fit into BPF_IMAGE_SIZE / 2 @@ -777,6 +811,7 @@ struct bpf_jit_poke_descriptor { void *tailcall_target; void *tailcall_bypass; void *bypass_addr; + void *aux; union { struct { struct bpf_map *map; @@ -894,8 +929,11 @@ struct bpf_array_aux { * stored in the map to make sure that all callers and callees have * the same prog type and JITed flag. */ - enum bpf_prog_type type; - bool jited; + struct { + spinlock_t lock; + enum bpf_prog_type type; + bool jited; + } owner; /* Programs with direct jumps into programs part of this array. */ struct list_head poke_progs; struct bpf_map *map; @@ -1069,7 +1107,7 @@ u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size, /* an array of programs to be executed under rcu_lock. * * Typical usage: - * ret = BPF_PROG_RUN_ARRAY(&bpf_prog_array, ctx, BPF_PROG_RUN); + * ret = BPF_PROG_RUN_ARRAY(&bpf_prog_array, ctx, bpf_prog_run); * * the structure returned by bpf_prog_array_alloc() should be populated * with program pointers and the last pointer must be NULL. @@ -1080,7 +1118,10 @@ u64 bpf_event_output(struct bpf_map *map, u64 flags, void *meta, u64 meta_size, */ struct bpf_prog_array_item { struct bpf_prog *prog; - struct bpf_cgroup_storage *cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE]; + union { + struct bpf_cgroup_storage *cgroup_storage[MAX_BPF_CGROUP_STORAGE_TYPE]; + u64 bpf_cookie; + }; }; struct bpf_prog_array { @@ -1106,73 +1147,133 @@ int bpf_prog_array_copy_info(struct bpf_prog_array *array, int bpf_prog_array_copy(struct bpf_prog_array *old_array, struct bpf_prog *exclude_prog, struct bpf_prog *include_prog, + u64 bpf_cookie, struct bpf_prog_array **new_array); +struct bpf_run_ctx {}; + +struct bpf_cg_run_ctx { + struct bpf_run_ctx run_ctx; + const struct bpf_prog_array_item *prog_item; +}; + +struct bpf_trace_run_ctx { + struct bpf_run_ctx run_ctx; + u64 bpf_cookie; +}; + +static inline struct bpf_run_ctx *bpf_set_run_ctx(struct bpf_run_ctx *new_ctx) +{ + struct bpf_run_ctx *old_ctx = NULL; + +#ifdef CONFIG_BPF_SYSCALL + old_ctx = current->bpf_ctx; + current->bpf_ctx = new_ctx; +#endif + return old_ctx; +} + +static inline void bpf_reset_run_ctx(struct bpf_run_ctx *old_ctx) +{ +#ifdef CONFIG_BPF_SYSCALL + current->bpf_ctx = old_ctx; +#endif +} + /* BPF program asks to bypass CAP_NET_BIND_SERVICE in bind. */ #define BPF_RET_BIND_NO_CAP_NET_BIND_SERVICE (1 << 0) /* BPF program asks to set CN on the packet. */ #define BPF_RET_SET_CN (1 << 0) -/* For BPF_PROG_RUN_ARRAY_FLAGS and __BPF_PROG_RUN_ARRAY, - * if bpf_cgroup_storage_set() failed, the rest of programs - * will not execute. This should be a really rare scenario - * as it requires BPF_CGROUP_STORAGE_NEST_MAX number of - * preemptions all between bpf_cgroup_storage_set() and - * bpf_cgroup_storage_unset() on the same cpu. - */ -#define BPF_PROG_RUN_ARRAY_FLAGS(array, ctx, func, ret_flags) \ - ({ \ - struct bpf_prog_array_item *_item; \ - struct bpf_prog *_prog; \ - struct bpf_prog_array *_array; \ - u32 _ret = 1; \ - u32 func_ret; \ - migrate_disable(); \ - rcu_read_lock(); \ - _array = rcu_dereference(array); \ - _item = &_array->items[0]; \ - while ((_prog = READ_ONCE(_item->prog))) { \ - if (unlikely(bpf_cgroup_storage_set(_item->cgroup_storage))) \ - break; \ - func_ret = func(_prog, ctx); \ - _ret &= (func_ret & 1); \ - *(ret_flags) |= (func_ret >> 1); \ - bpf_cgroup_storage_unset(); \ - _item++; \ - } \ - rcu_read_unlock(); \ - migrate_enable(); \ - _ret; \ - }) - -#define __BPF_PROG_RUN_ARRAY(array, ctx, func, check_non_null, set_cg_storage) \ - ({ \ - struct bpf_prog_array_item *_item; \ - struct bpf_prog *_prog; \ - struct bpf_prog_array *_array; \ - u32 _ret = 1; \ - migrate_disable(); \ - rcu_read_lock(); \ - _array = rcu_dereference(array); \ - if (unlikely(check_non_null && !_array))\ - goto _out; \ - _item = &_array->items[0]; \ - while ((_prog = READ_ONCE(_item->prog))) { \ - if (!set_cg_storage) { \ - _ret &= func(_prog, ctx); \ - } else { \ - if (unlikely(bpf_cgroup_storage_set(_item->cgroup_storage))) \ - break; \ - _ret &= func(_prog, ctx); \ - bpf_cgroup_storage_unset(); \ - } \ - _item++; \ - } \ -_out: \ - rcu_read_unlock(); \ - migrate_enable(); \ - _ret; \ - }) +typedef u32 (*bpf_prog_run_fn)(const struct bpf_prog *prog, const void *ctx); + +static __always_inline u32 +BPF_PROG_RUN_ARRAY_CG_FLAGS(const struct bpf_prog_array __rcu *array_rcu, + const void *ctx, bpf_prog_run_fn run_prog, + u32 *ret_flags) +{ + const struct bpf_prog_array_item *item; + const struct bpf_prog *prog; + const struct bpf_prog_array *array; + struct bpf_run_ctx *old_run_ctx; + struct bpf_cg_run_ctx run_ctx; + u32 ret = 1; + u32 func_ret; + + migrate_disable(); + rcu_read_lock(); + array = rcu_dereference(array_rcu); + item = &array->items[0]; + old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx); + while ((prog = READ_ONCE(item->prog))) { + run_ctx.prog_item = item; + func_ret = run_prog(prog, ctx); + ret &= (func_ret & 1); + *(ret_flags) |= (func_ret >> 1); + item++; + } + bpf_reset_run_ctx(old_run_ctx); + rcu_read_unlock(); + migrate_enable(); + return ret; +} + +static __always_inline u32 +BPF_PROG_RUN_ARRAY_CG(const struct bpf_prog_array __rcu *array_rcu, + const void *ctx, bpf_prog_run_fn run_prog) +{ + const struct bpf_prog_array_item *item; + const struct bpf_prog *prog; + const struct bpf_prog_array *array; + struct bpf_run_ctx *old_run_ctx; + struct bpf_cg_run_ctx run_ctx; + u32 ret = 1; + + migrate_disable(); + rcu_read_lock(); + array = rcu_dereference(array_rcu); + item = &array->items[0]; + old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx); + while ((prog = READ_ONCE(item->prog))) { + run_ctx.prog_item = item; + ret &= run_prog(prog, ctx); + item++; + } + bpf_reset_run_ctx(old_run_ctx); + rcu_read_unlock(); + migrate_enable(); + return ret; +} + +static __always_inline u32 +BPF_PROG_RUN_ARRAY(const struct bpf_prog_array __rcu *array_rcu, + const void *ctx, bpf_prog_run_fn run_prog) +{ + const struct bpf_prog_array_item *item; + const struct bpf_prog *prog; + const struct bpf_prog_array *array; + struct bpf_run_ctx *old_run_ctx; + struct bpf_trace_run_ctx run_ctx; + u32 ret = 1; + + migrate_disable(); + rcu_read_lock(); + array = rcu_dereference(array_rcu); + if (unlikely(!array)) + goto out; + old_run_ctx = bpf_set_run_ctx(&run_ctx.run_ctx); + item = &array->items[0]; + while ((prog = READ_ONCE(item->prog))) { + run_ctx.bpf_cookie = item->bpf_cookie; + ret &= run_prog(prog, ctx); + item++; + } + bpf_reset_run_ctx(old_run_ctx); +out: + rcu_read_unlock(); + migrate_enable(); + return ret; +} /* To be used by __cgroup_bpf_run_filter_skb for EGRESS BPF progs * so BPF programs can request cwr for TCP packets. @@ -1201,7 +1302,7 @@ _out: \ u32 _flags = 0; \ bool _cn; \ u32 _ret; \ - _ret = BPF_PROG_RUN_ARRAY_FLAGS(array, ctx, func, &_flags); \ + _ret = BPF_PROG_RUN_ARRAY_CG_FLAGS(array, ctx, func, &_flags); \ _cn = _flags & BPF_RET_SET_CN; \ if (_ret) \ _ret = (_cn ? NET_XMIT_CN : NET_XMIT_SUCCESS); \ @@ -1210,12 +1311,6 @@ _out: \ _ret; \ }) -#define BPF_PROG_RUN_ARRAY(array, ctx, func) \ - __BPF_PROG_RUN_ARRAY(array, ctx, func, false, true) - -#define BPF_PROG_RUN_ARRAY_CHECK(array, ctx, func) \ - __BPF_PROG_RUN_ARRAY(array, ctx, func, true, false) - #ifdef CONFIG_BPF_SYSCALL DECLARE_PER_CPU(int, bpf_prog_active); extern struct mutex bpf_stats_enabled_mutex; @@ -1394,6 +1489,9 @@ typedef void (*bpf_iter_show_fdinfo_t) (const struct bpf_iter_aux_info *aux, struct seq_file *seq); typedef int (*bpf_iter_fill_link_info_t)(const struct bpf_iter_aux_info *aux, struct bpf_link_info *info); +typedef const struct bpf_func_proto * +(*bpf_iter_get_func_proto_t)(enum bpf_func_id func_id, + const struct bpf_prog *prog); enum bpf_iter_feature { BPF_ITER_RESCHED = BIT(0), @@ -1406,6 +1504,7 @@ struct bpf_iter_reg { bpf_iter_detach_target_t detach_target; bpf_iter_show_fdinfo_t show_fdinfo; bpf_iter_fill_link_info_t fill_link_info; + bpf_iter_get_func_proto_t get_func_proto; u32 ctx_arg_info_size; u32 feature; struct bpf_ctx_arg_aux ctx_arg_info[BPF_ITER_CTX_ARG_MAX]; @@ -1428,7 +1527,9 @@ struct bpf_iter__bpf_map_elem { int bpf_iter_reg_target(const struct bpf_iter_reg *reg_info); void bpf_iter_unreg_target(const struct bpf_iter_reg *reg_info); bool bpf_iter_prog_supported(struct bpf_prog *prog); -int bpf_iter_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); +const struct bpf_func_proto * +bpf_iter_get_func_proto(enum bpf_func_id func_id, const struct bpf_prog *prog); +int bpf_iter_link_attach(const union bpf_attr *attr, bpfptr_t uattr, struct bpf_prog *prog); int bpf_iter_new_fd(struct bpf_link *link); bool bpf_link_is_iter(struct bpf_link *link); struct bpf_prog *bpf_iter_get_info(struct bpf_iter_meta *meta, bool in_stop); @@ -1459,7 +1560,7 @@ int bpf_fd_htab_map_update_elem(struct bpf_map *map, struct file *map_file, int bpf_fd_htab_map_lookup_elem(struct bpf_map *map, void *key, u32 *value); int bpf_get_file_flag(int flags); -int bpf_check_uarg_tail_zero(void __user *uaddr, size_t expected_size, +int bpf_check_uarg_tail_zero(bpfptr_t uaddr, size_t expected_size, size_t actual_size); /* memcpy that is used with 8-byte aligned pointers, power-of-8 size and @@ -1479,8 +1580,7 @@ static inline void bpf_long_memcpy(void *dst, const void *src, u32 size) } /* verify correctness of eBPF program */ -int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, - union bpf_attr __user *uattr); +int bpf_check(struct bpf_prog **fp, union bpf_attr *attr, bpfptr_t uattr); #ifndef CONFIG_BPF_JIT_ALWAYS_ON void bpf_patch_call_args(struct bpf_insn *insn, u32 stack_depth); @@ -1499,14 +1599,19 @@ int dev_xdp_enqueue(struct net_device *dev, struct xdp_buff *xdp, struct net_device *dev_rx); int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp, struct net_device *dev_rx); +int dev_map_enqueue_multi(struct xdp_buff *xdp, struct net_device *dev_rx, + struct bpf_map *map, bool exclude_ingress); int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, struct sk_buff *skb, struct bpf_prog *xdp_prog); -bool dev_map_can_have_prog(struct bpf_map *map); +int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb, + struct bpf_prog *xdp_prog, struct bpf_map *map, + bool exclude_ingress); void __cpu_map_flush(void); int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, struct xdp_buff *xdp, struct net_device *dev_rx); -bool cpu_map_prog_allowed(struct bpf_map *map); +int cpu_map_generic_redirect(struct bpf_cpu_map_entry *rcpu, + struct sk_buff *skb); /* Return map's numa specified by userspace */ static inline int bpf_map_attr_numa_node(const union bpf_attr *attr) @@ -1668,6 +1773,13 @@ int dev_map_enqueue(struct bpf_dtab_netdev *dst, struct xdp_buff *xdp, return 0; } +static inline +int dev_map_enqueue_multi(struct xdp_buff *xdp, struct net_device *dev_rx, + struct bpf_map *map, bool exclude_ingress) +{ + return 0; +} + struct sk_buff; static inline int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, @@ -1677,6 +1789,14 @@ static inline int dev_map_generic_redirect(struct bpf_dtab_netdev *dst, return 0; } +static inline +int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb, + struct bpf_prog *xdp_prog, struct bpf_map *map, + bool exclude_ingress) +{ + return 0; +} + static inline void __cpu_map_flush(void) { } @@ -1688,6 +1808,12 @@ static inline int cpu_map_enqueue(struct bpf_cpu_map_entry *rcpu, return 0; } +static inline int cpu_map_generic_redirect(struct bpf_cpu_map_entry *rcpu, + struct sk_buff *skb) +{ + return -EOPNOTSUPP; +} + static inline bool cpu_map_prog_allowed(struct bpf_map *map) { return false; @@ -1826,6 +1952,15 @@ static inline bool bpf_map_is_dev_bound(struct bpf_map *map) struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr); void bpf_map_offload_map_free(struct bpf_map *map); +int bpf_prog_test_run_syscall(struct bpf_prog *prog, + const union bpf_attr *kattr, + union bpf_attr __user *uattr); + +int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog); +int sock_map_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype); +int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value, u64 flags); +void sock_map_unhash(struct sock *sk); +void sock_map_close(struct sock *sk, long timeout); #else static inline int bpf_prog_offload_init(struct bpf_prog *prog, union bpf_attr *attr) @@ -1851,23 +1986,12 @@ static inline struct bpf_map *bpf_map_offload_map_alloc(union bpf_attr *attr) static inline void bpf_map_offload_map_free(struct bpf_map *map) { } -#endif /* CONFIG_NET && CONFIG_BPF_SYSCALL */ -#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL) -int sock_map_get_from_fd(const union bpf_attr *attr, struct bpf_prog *prog); -int sock_map_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype); -int sock_map_update_elem_sys(struct bpf_map *map, void *key, void *value, u64 flags); -void sock_map_unhash(struct sock *sk); -void sock_map_close(struct sock *sk, long timeout); - -void bpf_sk_reuseport_detach(struct sock *sk); -int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key, - void *value); -int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key, - void *value, u64 map_flags); -#else -static inline void bpf_sk_reuseport_detach(struct sock *sk) +static inline int bpf_prog_test_run_syscall(struct bpf_prog *prog, + const union bpf_attr *kattr, + union bpf_attr __user *uattr) { + return -ENOTSUPP; } #ifdef CONFIG_BPF_SYSCALL @@ -1888,7 +2012,21 @@ static inline int sock_map_update_elem_sys(struct bpf_map *map, void *key, void { return -EOPNOTSUPP; } +#endif /* CONFIG_BPF_SYSCALL */ +#endif /* CONFIG_NET && CONFIG_BPF_SYSCALL */ + +#if defined(CONFIG_INET) && defined(CONFIG_BPF_SYSCALL) +void bpf_sk_reuseport_detach(struct sock *sk); +int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key, + void *value); +int bpf_fd_reuseport_array_update_elem(struct bpf_map *map, void *key, + void *value, u64 map_flags); +#else +static inline void bpf_sk_reuseport_detach(struct sock *sk) +{ +} +#ifdef CONFIG_BPF_SYSCALL static inline int bpf_fd_reuseport_array_lookup_elem(struct bpf_map *map, void *key, void *value) { @@ -1964,9 +2102,9 @@ extern const struct bpf_func_proto bpf_get_socket_ptr_cookie_proto; extern const struct bpf_func_proto bpf_task_storage_get_proto; extern const struct bpf_func_proto bpf_task_storage_delete_proto; extern const struct bpf_func_proto bpf_for_each_map_elem_proto; - -const struct bpf_func_proto *bpf_tracing_func_proto( - enum bpf_func_id func_id, const struct bpf_prog *prog); +extern const struct bpf_func_proto bpf_btf_find_by_name_kind_proto; +extern const struct bpf_func_proto bpf_sk_setsockopt_proto; +extern const struct bpf_func_proto bpf_sk_getsockopt_proto; const struct bpf_func_proto *tracing_prog_func_proto( enum bpf_func_id func_id, const struct bpf_prog *prog); @@ -2015,6 +2153,7 @@ struct sk_reuseport_kern { struct sk_buff *skb; struct sock *sk; struct sock *selected_sk; + struct sock *migrating_sk; void *data_end; u32 hash; u32 reuseport_id; diff --git a/include/linux/bpf_local_storage.h b/include/linux/bpf_local_storage.h index b902c580c48d..24496bc28e7b 100644 --- a/include/linux/bpf_local_storage.h +++ b/include/linux/bpf_local_storage.h @@ -58,7 +58,7 @@ struct bpf_local_storage_data { * from the object's bpf_local_storage. * * Put it in the same cacheline as the data to minimize - * the number of cachelines access during the cache hit case. + * the number of cachelines accessed during the cache hit case. */ struct bpf_local_storage_map __rcu *smap; u8 data[] __aligned(8); @@ -71,7 +71,7 @@ struct bpf_local_storage_elem { struct bpf_local_storage __rcu *local_storage; struct rcu_head rcu; /* 8 bytes hole */ - /* The data is stored in aother cacheline to minimize + /* The data is stored in another cacheline to minimize * the number of cachelines access during a cache hit. */ struct bpf_local_storage_data sdata ____cacheline_aligned; diff --git a/include/linux/bpf_types.h b/include/linux/bpf_types.h index f883f01a5061..bbe1eefa4c8a 100644 --- a/include/linux/bpf_types.h +++ b/include/linux/bpf_types.h @@ -77,6 +77,8 @@ BPF_PROG_TYPE(BPF_PROG_TYPE_LSM, lsm, void *, void *) #endif /* CONFIG_BPF_LSM */ #endif +BPF_PROG_TYPE(BPF_PROG_TYPE_SYSCALL, bpf_syscall, + void *, void *) BPF_MAP_TYPE(BPF_MAP_TYPE_ARRAY, array_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_PERCPU_ARRAY, percpu_array_map_ops) @@ -99,14 +101,14 @@ BPF_MAP_TYPE(BPF_MAP_TYPE_STACK_TRACE, stack_trace_map_ops) #endif BPF_MAP_TYPE(BPF_MAP_TYPE_ARRAY_OF_MAPS, array_of_maps_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_HASH_OF_MAPS, htab_of_maps_map_ops) -#ifdef CONFIG_NET -BPF_MAP_TYPE(BPF_MAP_TYPE_DEVMAP, dev_map_ops) -BPF_MAP_TYPE(BPF_MAP_TYPE_DEVMAP_HASH, dev_map_hash_ops) -BPF_MAP_TYPE(BPF_MAP_TYPE_SK_STORAGE, sk_storage_map_ops) #ifdef CONFIG_BPF_LSM BPF_MAP_TYPE(BPF_MAP_TYPE_INODE_STORAGE, inode_storage_map_ops) #endif BPF_MAP_TYPE(BPF_MAP_TYPE_TASK_STORAGE, task_storage_map_ops) +#ifdef CONFIG_NET +BPF_MAP_TYPE(BPF_MAP_TYPE_DEVMAP, dev_map_ops) +BPF_MAP_TYPE(BPF_MAP_TYPE_DEVMAP_HASH, dev_map_hash_ops) +BPF_MAP_TYPE(BPF_MAP_TYPE_SK_STORAGE, sk_storage_map_ops) BPF_MAP_TYPE(BPF_MAP_TYPE_CPUMAP, cpu_map_ops) #if defined(CONFIG_XDP_SOCKETS) BPF_MAP_TYPE(BPF_MAP_TYPE_XSKMAP, xsk_map_ops) @@ -132,4 +134,8 @@ BPF_LINK_TYPE(BPF_LINK_TYPE_CGROUP, cgroup) BPF_LINK_TYPE(BPF_LINK_TYPE_ITER, iter) #ifdef CONFIG_NET BPF_LINK_TYPE(BPF_LINK_TYPE_NETNS, netns) +BPF_LINK_TYPE(BPF_LINK_TYPE_XDP, xdp) +#endif +#ifdef CONFIG_PERF_EVENTS +BPF_LINK_TYPE(BPF_LINK_TYPE_PERF_EVENT, perf) #endif diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index 06841517ab1e..5424124dbe36 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -53,7 +53,14 @@ struct bpf_reg_state { /* valid when type == CONST_PTR_TO_MAP | PTR_TO_MAP_VALUE | * PTR_TO_MAP_VALUE_OR_NULL */ - struct bpf_map *map_ptr; + struct { + struct bpf_map *map_ptr; + /* To distinguish map lookups from outer map + * the map_uid is non-zero for registers + * pointing to inner maps. + */ + u32 map_uid; + }; /* for PTR_TO_BTF_ID */ struct { @@ -201,12 +208,19 @@ struct bpf_func_state { * zero == main subprog */ u32 subprogno; + /* Every bpf_timer_start will increment async_entry_cnt. + * It's used to distinguish: + * void foo(void) { for(;;); } + * void foo(void) { bpf_timer_set_callback(,foo); } + */ + u32 async_entry_cnt; + bool in_callback_fn; + bool in_async_callback_fn; /* The following fields should be last. See copy_func_state() */ int acquired_refs; struct bpf_reference_state *refs; int allocated_stack; - bool in_callback_fn; struct bpf_stack_state *stack; }; @@ -215,6 +229,13 @@ struct bpf_idx_pair { u32 idx; }; +struct bpf_id_pair { + u32 old; + u32 cur; +}; + +/* Maximum number of register states that can exist at once */ +#define BPF_ID_MAP_SIZE (MAX_BPF_REG + MAX_BPF_STACK / BPF_REG_SIZE) #define MAX_CALL_FRAMES 8 struct bpf_verifier_state { /* call stack tracking */ @@ -333,8 +354,8 @@ struct bpf_insn_aux_data { }; u64 map_key_state; /* constant (32 bit) key tracking for maps */ int ctx_field_size; /* the ctx field size for load insn, maybe 0 */ - int sanitize_stack_off; /* stack slot to be cleared */ u32 seen; /* this insn was processed by the verifier at env->pass_cnt */ + bool sanitize_stack_spill; /* subject to Spectre v4 sanitation */ bool zext_dst; /* this insn zero extends dst reg */ u8 alu_state; /* used in combination with alu_limit */ @@ -385,6 +406,7 @@ struct bpf_subprog_info { bool has_tail_call; bool tail_call_reachable; bool has_ld_abs; + bool is_async_cb; }; /* single container for all structs @@ -407,6 +429,7 @@ struct bpf_verifier_env { u32 used_map_cnt; /* number of used maps */ u32 used_btf_cnt; /* number of used BTF objects */ u32 id_gen; /* used to generate unique reg IDs */ + bool explore_alu_limits; bool allow_ptr_leaks; bool allow_uninit_stack; bool allow_ptr_to_map_access; @@ -418,6 +441,7 @@ struct bpf_verifier_env { const struct bpf_line_info *prev_linfo; struct bpf_verifier_log log; struct bpf_subprog_info subprog_info[BPF_MAX_SUBPROGS + 1]; + struct bpf_id_pair idmap_scratch[BPF_ID_MAP_SIZE]; struct { int *insn_state; int *insn_stack; @@ -442,6 +466,7 @@ struct bpf_verifier_env { u32 peak_states; /* longest register parentage chain walked for liveness marking */ u32 longest_mark_read_walk; + bpfptr_t fd_array; }; __printf(2, 0) void bpf_verifier_vlog(struct bpf_verifier_log *log, diff --git a/include/linux/bpfptr.h b/include/linux/bpfptr.h new file mode 100644 index 000000000000..546e27fc6d46 --- /dev/null +++ b/include/linux/bpfptr.h @@ -0,0 +1,83 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* A pointer that can point to either kernel or userspace memory. */ +#ifndef _LINUX_BPFPTR_H +#define _LINUX_BPFPTR_H + +#include <linux/sockptr.h> + +typedef sockptr_t bpfptr_t; + +static inline bool bpfptr_is_kernel(bpfptr_t bpfptr) +{ + return bpfptr.is_kernel; +} + +static inline bpfptr_t KERNEL_BPFPTR(void *p) +{ + return (bpfptr_t) { .kernel = p, .is_kernel = true }; +} + +static inline bpfptr_t USER_BPFPTR(void __user *p) +{ + return (bpfptr_t) { .user = p }; +} + +static inline bpfptr_t make_bpfptr(u64 addr, bool is_kernel) +{ + if (is_kernel) + return KERNEL_BPFPTR((void*) (uintptr_t) addr); + else + return USER_BPFPTR(u64_to_user_ptr(addr)); +} + +static inline bool bpfptr_is_null(bpfptr_t bpfptr) +{ + if (bpfptr_is_kernel(bpfptr)) + return !bpfptr.kernel; + return !bpfptr.user; +} + +static inline void bpfptr_add(bpfptr_t *bpfptr, size_t val) +{ + if (bpfptr_is_kernel(*bpfptr)) + bpfptr->kernel += val; + else + bpfptr->user += val; +} + +static inline int copy_from_bpfptr_offset(void *dst, bpfptr_t src, + size_t offset, size_t size) +{ + return copy_from_sockptr_offset(dst, (sockptr_t) src, offset, size); +} + +static inline int copy_from_bpfptr(void *dst, bpfptr_t src, size_t size) +{ + return copy_from_bpfptr_offset(dst, src, 0, size); +} + +static inline int copy_to_bpfptr_offset(bpfptr_t dst, size_t offset, + const void *src, size_t size) +{ + return copy_to_sockptr_offset((sockptr_t) dst, offset, src, size); +} + +static inline void *kvmemdup_bpfptr(bpfptr_t src, size_t len) +{ + void *p = kvmalloc(len, GFP_USER | __GFP_NOWARN); + + if (!p) + return ERR_PTR(-ENOMEM); + if (copy_from_bpfptr(p, src, len)) { + kvfree(p); + return ERR_PTR(-EFAULT); + } + return p; +} + +static inline long strncpy_from_bpfptr(char *dst, bpfptr_t src, size_t count) +{ + return strncpy_from_sockptr(dst, (sockptr_t) src, count); +} + +#endif /* _LINUX_BPFPTR_H */ diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h index 960988d42f77..6b211323a489 100644 --- a/include/linux/bsg-lib.h +++ b/include/linux/bsg-lib.h @@ -12,6 +12,7 @@ #include <linux/blkdev.h> #include <scsi/scsi_request.h> +struct bsg_job; struct request; struct device; struct scatterlist; diff --git a/include/linux/bsg.h b/include/linux/bsg.h index dac37b6e00ec..1ac81c809da9 100644 --- a/include/linux/bsg.h +++ b/include/linux/bsg.h @@ -4,36 +4,16 @@ #include <uapi/linux/bsg.h> -struct request; +struct bsg_device; +struct device; +struct request_queue; -#ifdef CONFIG_BLK_DEV_BSG -struct bsg_ops { - int (*check_proto)(struct sg_io_v4 *hdr); - int (*fill_hdr)(struct request *rq, struct sg_io_v4 *hdr, - fmode_t mode); - int (*complete_rq)(struct request *rq, struct sg_io_v4 *hdr); - void (*free_rq)(struct request *rq); -}; +typedef int (bsg_sg_io_fn)(struct request_queue *, struct sg_io_v4 *hdr, + fmode_t mode, unsigned int timeout); -struct bsg_class_device { - struct device *class_dev; - int minor; - struct request_queue *queue; - const struct bsg_ops *ops; -}; +struct bsg_device *bsg_register_queue(struct request_queue *q, + struct device *parent, const char *name, + bsg_sg_io_fn *sg_io_fn); +void bsg_unregister_queue(struct bsg_device *bcd); -int bsg_register_queue(struct request_queue *q, struct device *parent, - const char *name, const struct bsg_ops *ops); -int bsg_scsi_register_queue(struct request_queue *q, struct device *parent); -void bsg_unregister_queue(struct request_queue *q); -#else -static inline int bsg_scsi_register_queue(struct request_queue *q, - struct device *parent) -{ - return 0; -} -static inline void bsg_unregister_queue(struct request_queue *q) -{ -} -#endif /* CONFIG_BLK_DEV_BSG */ #endif /* _LINUX_BSG_H */ diff --git a/include/linux/btf.h b/include/linux/btf.h index 3bac66e0183a..214fde93214b 100644 --- a/include/linux/btf.h +++ b/include/linux/btf.h @@ -21,7 +21,7 @@ extern const struct file_operations btf_fops; void btf_get(struct btf *btf); void btf_put(struct btf *btf); -int btf_new_fd(const union bpf_attr *attr); +int btf_new_fd(const union bpf_attr *attr, bpfptr_t uattr); struct btf *btf_get_by_fd(int fd); int btf_get_info_by_fd(const struct btf *btf, const union bpf_attr *attr, @@ -99,6 +99,7 @@ bool btf_member_is_reg_int(const struct btf *btf, const struct btf_type *s, const struct btf_member *m, u32 expected_offset, u32 expected_size); int btf_find_spin_lock(const struct btf *btf, const struct btf_type *t); +int btf_find_timer(const struct btf *btf, const struct btf_type *t); bool btf_type_is_void(const struct btf_type *t); s32 btf_find_by_name_kind(const struct btf *btf, const char *name, u8 kind); const struct btf_type *btf_type_skip_modifiers(const struct btf *btf, diff --git a/include/linux/btf_ids.h b/include/linux/btf_ids.h index 57890b357f85..47d9abfbdb55 100644 --- a/include/linux/btf_ids.h +++ b/include/linux/btf_ids.h @@ -82,6 +82,9 @@ __BTF_ID_LIST(name, globl) #define BTF_ID_LIST_SINGLE(name, prefix, typename) \ BTF_ID_LIST(name) \ BTF_ID(prefix, typename) +#define BTF_ID_LIST_GLOBAL_SINGLE(name, prefix, typename) \ + BTF_ID_LIST_GLOBAL(name) \ + BTF_ID(prefix, typename) /* * The BTF_ID_UNUSED macro defines 4 zero bytes. @@ -148,6 +151,7 @@ extern struct btf_id_set name; #define BTF_ID_UNUSED #define BTF_ID_LIST_GLOBAL(name) u32 name[1]; #define BTF_ID_LIST_SINGLE(name, prefix, typename) static u32 name[1]; +#define BTF_ID_LIST_GLOBAL_SINGLE(name, prefix, typename) u32 name[1]; #define BTF_SET_START(name) static struct btf_id_set name = { 0 }; #define BTF_SET_START_GLOBAL(name) static struct btf_id_set name = { 0 }; #define BTF_SET_END(name) @@ -172,7 +176,8 @@ extern struct btf_id_set name; BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP_TW, tcp_timewait_sock) \ BTF_SOCK_TYPE(BTF_SOCK_TYPE_TCP6, tcp6_sock) \ BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP, udp_sock) \ - BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6_sock) + BTF_SOCK_TYPE(BTF_SOCK_TYPE_UDP6, udp6_sock) \ + BTF_SOCK_TYPE(BTF_SOCK_TYPE_UNIX, unix_sock) enum { #define BTF_SOCK_TYPE(name, str) name, @@ -184,4 +189,6 @@ MAX_BTF_SOCK_TYPE, extern u32 btf_sock_ids[]; #endif +extern u32 btf_task_struct_ids[]; + #endif diff --git a/include/linux/buffer_head.h b/include/linux/buffer_head.h index e7e99da31349..36f33685c8c0 100644 --- a/include/linux/buffer_head.h +++ b/include/linux/buffer_head.h @@ -194,7 +194,7 @@ void __breadahead_gfp(struct block_device *, sector_t block, unsigned int size, struct buffer_head *__bread_gfp(struct block_device *, sector_t block, unsigned size, gfp_t gfp); void invalidate_bh_lrus(void); -void invalidate_bh_lrus_cpu(int cpu); +void invalidate_bh_lrus_cpu(void); bool has_bh_in_lru(int cpu, void *dummy); struct buffer_head *alloc_buffer_head(gfp_t gfp_flags); void free_buffer_head(struct buffer_head * bh); @@ -408,8 +408,8 @@ static inline int inode_has_buffers(struct inode *inode) { return 0; } static inline void invalidate_inode_buffers(struct inode *inode) {} static inline int remove_inode_buffers(struct inode *inode) { return 1; } static inline int sync_mapping_buffers(struct address_space *mapping) { return 0; } -static inline void invalidate_bh_lrus_cpu(int cpu) {} -static inline bool has_bh_in_lru(int cpu, void *dummy) { return 0; } +static inline void invalidate_bh_lrus_cpu(void) {} +static inline bool has_bh_in_lru(int cpu, void *dummy) { return false; } #define buffer_heads_over_limit 0 #endif /* CONFIG_BLOCK */ diff --git a/include/linux/buildid.h b/include/linux/buildid.h index 40232f90db6e..3b7a0ff4642f 100644 --- a/include/linux/buildid.h +++ b/include/linux/buildid.h @@ -8,5 +8,13 @@ int build_id_parse(struct vm_area_struct *vma, unsigned char *build_id, __u32 *size); +int build_id_parse_buf(const void *buf, unsigned char *build_id, u32 buf_size); + +#if IS_ENABLED(CONFIG_STACKTRACE_BUILD_ID) || IS_ENABLED(CONFIG_CRASH_CORE) +extern unsigned char vmlinux_build_id[BUILD_ID_SIZE_MAX]; +void init_vmlinux_build_id(void); +#else +static inline void init_vmlinux_build_id(void) { } +#endif #endif diff --git a/include/linux/bvec.h b/include/linux/bvec.h index ff832e698efb..0e9bdd42dafb 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -4,9 +4,10 @@ * * Copyright (C) 2001 Ming Lei <ming.lei@canonical.com> */ -#ifndef __LINUX_BVEC_ITER_H -#define __LINUX_BVEC_ITER_H +#ifndef __LINUX_BVEC_H +#define __LINUX_BVEC_H +#include <linux/highmem.h> #include <linux/bug.h> #include <linux/errno.h> #include <linux/limits.h> @@ -183,4 +184,61 @@ static inline void bvec_advance(const struct bio_vec *bvec, } } -#endif /* __LINUX_BVEC_ITER_H */ +/** + * bvec_kmap_local - map a bvec into the kernel virtual address space + * @bvec: bvec to map + * + * Must be called on single-page bvecs only. Call kunmap_local on the returned + * address to unmap. + */ +static inline void *bvec_kmap_local(struct bio_vec *bvec) +{ + return kmap_local_page(bvec->bv_page) + bvec->bv_offset; +} + +/** + * memcpy_from_bvec - copy data from a bvec + * @bvec: bvec to copy from + * + * Must be called on single-page bvecs only. + */ +static inline void memcpy_from_bvec(char *to, struct bio_vec *bvec) +{ + memcpy_from_page(to, bvec->bv_page, bvec->bv_offset, bvec->bv_len); +} + +/** + * memcpy_to_bvec - copy data to a bvec + * @bvec: bvec to copy to + * + * Must be called on single-page bvecs only. + */ +static inline void memcpy_to_bvec(struct bio_vec *bvec, const char *from) +{ + memcpy_to_page(bvec->bv_page, bvec->bv_offset, from, bvec->bv_len); +} + +/** + * memzero_bvec - zero all data in a bvec + * @bvec: bvec to zero + * + * Must be called on single-page bvecs only. + */ +static inline void memzero_bvec(struct bio_vec *bvec) +{ + memzero_page(bvec->bv_page, bvec->bv_offset, bvec->bv_len); +} + +/** + * bvec_virt - return the virtual address for a bvec + * @bvec: bvec to return the virtual address for + * + * Note: the caller must ensure that @bvec->bv_page is not a highmem page. + */ +static inline void *bvec_virt(struct bio_vec *bvec) +{ + WARN_ON_ONCE(PageHighMem(bvec->bv_page)); + return page_address(bvec->bv_page) + bvec->bv_offset; +} + +#endif /* __LINUX_BVEC_H */ diff --git a/include/linux/cacheinfo.h b/include/linux/cacheinfo.h index 4f72b47973c3..2f909ed084c6 100644 --- a/include/linux/cacheinfo.h +++ b/include/linux/cacheinfo.h @@ -79,24 +79,6 @@ struct cpu_cacheinfo { bool cpu_map_populated; }; -/* - * Helpers to make sure "func" is executed on the cpu whose cache - * attributes are being detected - */ -#define DEFINE_SMP_CALL_CACHE_FUNCTION(func) \ -static inline void _##func(void *ret) \ -{ \ - int cpu = smp_processor_id(); \ - *(int *)ret = __##func(cpu); \ -} \ - \ -int func(unsigned int cpu) \ -{ \ - int ret; \ - smp_call_function_single(cpu, _##func, &ret, true); \ - return ret; \ -} - struct cpu_cacheinfo *get_cpu_cacheinfo(unsigned int cpu); int init_cache_level(unsigned int cpu); int populate_cache_leaves(unsigned int cpu); diff --git a/include/linux/can/bittiming.h b/include/linux/can/bittiming.h index ae7a3411167c..9de6e9053e34 100644 --- a/include/linux/can/bittiming.h +++ b/include/linux/can/bittiming.h @@ -37,7 +37,7 @@ * quanta, from when the bit is sent on the TX pin to when it is * received on the RX pin of the transmitter. Possible options: * - * O: automatic mode. The controller dynamically measure @tdcv + * 0: automatic mode. The controller dynamically measures @tdcv * for each transmitted CAN FD frame. * * Other values: manual mode. Use the fixed provided value. @@ -45,7 +45,7 @@ * @tdco: Transmitter Delay Compensation Offset. Offset value, in time * quanta, defining the distance between the start of the bit * reception on the RX pin of the transceiver and the SSP - * position such as SSP = @tdcv + @tdco. + * position such that SSP = @tdcv + @tdco. * * If @tdco is zero, then TDC is disabled and both @tdcv and * @tdcf should be ignored. diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 27b275e463da..2413253e54c7 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -32,6 +32,12 @@ enum can_mode { CAN_MODE_SLEEP }; +enum can_termination_gpio { + CAN_TERMINATION_GPIO_DISABLED = 0, + CAN_TERMINATION_GPIO_ENABLED, + CAN_TERMINATION_GPIO_MAX, +}; + /* * CAN common private data */ @@ -55,6 +61,8 @@ struct can_priv { unsigned int termination_const_cnt; const u16 *termination_const; u16 termination; + struct gpio_desc *termination_gpio; + u16 termination_gpio_ohms[CAN_TERMINATION_GPIO_MAX]; enum can_state state; diff --git a/include/linux/can/platform/flexcan.h b/include/linux/can/platform/flexcan.h new file mode 100644 index 000000000000..1b536fb999de --- /dev/null +++ b/include/linux/can/platform/flexcan.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2021 Angelo Dureghello <angelo@kernel-space.org> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _CAN_PLATFORM_FLEXCAN_H +#define _CAN_PLATFORM_FLEXCAN_H + +struct flexcan_platform_data { + u32 clock_frequency; + u8 clk_src; +}; + +#endif /* _CAN_PLATFORM_FLEXCAN_H */ diff --git a/include/linux/can/rx-offload.h b/include/linux/can/rx-offload.h index 40882df7105e..c11477620403 100644 --- a/include/linux/can/rx-offload.h +++ b/include/linux/can/rx-offload.h @@ -20,6 +20,7 @@ struct can_rx_offload { bool drop); struct sk_buff_head skb_queue; + struct sk_buff_head skb_irq_queue; u32 skb_queue_len_max; unsigned int mb_first; @@ -48,14 +49,11 @@ unsigned int can_rx_offload_get_echo_skb(struct can_rx_offload *offload, unsigned int *frame_len_ptr); int can_rx_offload_queue_tail(struct can_rx_offload *offload, struct sk_buff *skb); +void can_rx_offload_irq_finish(struct can_rx_offload *offload); +void can_rx_offload_threaded_irq_finish(struct can_rx_offload *offload); void can_rx_offload_del(struct can_rx_offload *offload); void can_rx_offload_enable(struct can_rx_offload *offload); -static inline void can_rx_offload_schedule(struct can_rx_offload *offload) -{ - napi_schedule(&offload->napi); -} - static inline void can_rx_offload_disable(struct can_rx_offload *offload) { napi_disable(&offload->napi); diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h index f48d0a31deae..c4fef00abdf3 100644 --- a/include/linux/cdrom.h +++ b/include/linux/cdrom.h @@ -86,11 +86,13 @@ struct cdrom_device_ops { /* play stuff */ int (*audio_ioctl) (struct cdrom_device_info *,unsigned int, void *); -/* driver specifications */ - const int capability; /* capability flags */ /* handle uniform packets for scsi type devices (scsi,atapi) */ int (*generic_packet) (struct cdrom_device_info *, struct packet_command *); + int (*read_cdda_bpc)(struct cdrom_device_info *cdi, void __user *ubuf, + u32 lba, u32 nframes, u8 *last_sense); +/* driver specifications */ + const int capability; /* capability flags */ }; int cdrom_multisession(struct cdrom_device_info *cdi, diff --git a/include/linux/ceph/ceph_fs.h b/include/linux/ceph/ceph_fs.h index e41a811026f6..bc2699feddbe 100644 --- a/include/linux/ceph/ceph_fs.h +++ b/include/linux/ceph/ceph_fs.h @@ -299,6 +299,7 @@ enum { CEPH_SESSION_FLUSHMSG_ACK, CEPH_SESSION_FORCE_RO, CEPH_SESSION_REJECT, + CEPH_SESSION_REQUEST_FLUSH_MDLOG, }; extern const char *ceph_session_op_name(int op); diff --git a/include/linux/cgroup-defs.h b/include/linux/cgroup-defs.h index fb8f6d2cd104..db2e147e069f 100644 --- a/include/linux/cgroup-defs.h +++ b/include/linux/cgroup-defs.h @@ -71,6 +71,9 @@ enum { /* Cgroup is frozen. */ CGRP_FROZEN, + + /* Control group has to be killed. */ + CGRP_KILL, }; /* cgroup_root->flags */ @@ -110,6 +113,7 @@ enum { CFTYPE_NO_PREFIX = (1 << 3), /* (DON'T USE FOR NEW FILES) no subsys prefix */ CFTYPE_WORLD_WRITABLE = (1 << 4), /* (DON'T USE FOR NEW FILES) S_IWUGO */ CFTYPE_DEBUG = (1 << 5), /* create when cgroup_debug */ + CFTYPE_PRESSURE = (1 << 6), /* only if pressure feature is enabled */ /* internal flags, do not use outside cgroup core proper */ __CFTYPE_ONLY_ON_DFL = (1 << 16), /* only on default hierarchy */ @@ -748,107 +752,54 @@ static inline void cgroup_threadgroup_change_end(struct task_struct *tsk) {} * sock_cgroup_data is embedded at sock->sk_cgrp_data and contains * per-socket cgroup information except for memcg association. * - * On legacy hierarchies, net_prio and net_cls controllers directly set - * attributes on each sock which can then be tested by the network layer. - * On the default hierarchy, each sock is associated with the cgroup it was - * created in and the networking layer can match the cgroup directly. - * - * To avoid carrying all three cgroup related fields separately in sock, - * sock_cgroup_data overloads (prioidx, classid) and the cgroup pointer. - * On boot, sock_cgroup_data records the cgroup that the sock was created - * in so that cgroup2 matches can be made; however, once either net_prio or - * net_cls starts being used, the area is overridden to carry prioidx and/or - * classid. The two modes are distinguished by whether the lowest bit is - * set. Clear bit indicates cgroup pointer while set bit prioidx and - * classid. - * - * While userland may start using net_prio or net_cls at any time, once - * either is used, cgroup2 matching no longer works. There is no reason to - * mix the two and this is in line with how legacy and v2 compatibility is - * handled. On mode switch, cgroup references which are already being - * pointed to by socks may be leaked. While this can be remedied by adding - * synchronization around sock_cgroup_data, given that the number of leaked - * cgroups is bound and highly unlikely to be high, this seems to be the - * better trade-off. + * On legacy hierarchies, net_prio and net_cls controllers directly + * set attributes on each sock which can then be tested by the network + * layer. On the default hierarchy, each sock is associated with the + * cgroup it was created in and the networking layer can match the + * cgroup directly. */ struct sock_cgroup_data { - union { -#ifdef __LITTLE_ENDIAN - struct { - u8 is_data : 1; - u8 no_refcnt : 1; - u8 unused : 6; - u8 padding; - u16 prioidx; - u32 classid; - } __packed; -#else - struct { - u32 classid; - u16 prioidx; - u8 padding; - u8 unused : 6; - u8 no_refcnt : 1; - u8 is_data : 1; - } __packed; + struct cgroup *cgroup; /* v2 */ +#ifdef CONFIG_CGROUP_NET_CLASSID + u32 classid; /* v1 */ +#endif +#ifdef CONFIG_CGROUP_NET_PRIO + u16 prioidx; /* v1 */ #endif - u64 val; - }; }; -/* - * There's a theoretical window where the following accessors race with - * updaters and return part of the previous pointer as the prioidx or - * classid. Such races are short-lived and the result isn't critical. - */ static inline u16 sock_cgroup_prioidx(const struct sock_cgroup_data *skcd) { - /* fallback to 1 which is always the ID of the root cgroup */ - return (skcd->is_data & 1) ? skcd->prioidx : 1; +#ifdef CONFIG_CGROUP_NET_PRIO + return READ_ONCE(skcd->prioidx); +#else + return 1; +#endif } static inline u32 sock_cgroup_classid(const struct sock_cgroup_data *skcd) { - /* fallback to 0 which is the unconfigured default classid */ - return (skcd->is_data & 1) ? skcd->classid : 0; +#ifdef CONFIG_CGROUP_NET_CLASSID + return READ_ONCE(skcd->classid); +#else + return 0; +#endif } -/* - * If invoked concurrently, the updaters may clobber each other. The - * caller is responsible for synchronization. - */ static inline void sock_cgroup_set_prioidx(struct sock_cgroup_data *skcd, u16 prioidx) { - struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; - - if (sock_cgroup_prioidx(&skcd_buf) == prioidx) - return; - - if (!(skcd_buf.is_data & 1)) { - skcd_buf.val = 0; - skcd_buf.is_data = 1; - } - - skcd_buf.prioidx = prioidx; - WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +#ifdef CONFIG_CGROUP_NET_PRIO + WRITE_ONCE(skcd->prioidx, prioidx); +#endif } static inline void sock_cgroup_set_classid(struct sock_cgroup_data *skcd, u32 classid) { - struct sock_cgroup_data skcd_buf = {{ .val = READ_ONCE(skcd->val) }}; - - if (sock_cgroup_classid(&skcd_buf) == classid) - return; - - if (!(skcd_buf.is_data & 1)) { - skcd_buf.val = 0; - skcd_buf.is_data = 1; - } - - skcd_buf.classid = classid; - WRITE_ONCE(skcd->val, skcd_buf.val); /* see sock_cgroup_ptr() */ +#ifdef CONFIG_CGROUP_NET_CLASSID + WRITE_ONCE(skcd->classid, classid); +#endif } #else /* CONFIG_SOCK_CGROUP_DATA */ diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 6bc9c76680b2..75c151413fda 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -676,6 +676,8 @@ static inline struct psi_group *cgroup_psi(struct cgroup *cgrp) return &cgrp->psi; } +bool cgroup_psi_enabled(void); + static inline void cgroup_init_kthreadd(void) { /* @@ -696,6 +698,7 @@ static inline void cgroup_kthread_ready(void) } void cgroup_path_from_kernfs_id(u64 id, char *buf, size_t buflen); +struct cgroup *cgroup_get_from_id(u64 id); #else /* !CONFIG_CGROUPS */ struct cgroup_subsys_state; @@ -735,6 +738,11 @@ static inline struct psi_group *cgroup_psi(struct cgroup *cgrp) return NULL; } +static inline bool cgroup_psi_enabled(void) +{ + return false; +} + static inline bool task_under_cgroup_hierarchy(struct task_struct *task, struct cgroup *ancestor) { @@ -743,6 +751,11 @@ static inline bool task_under_cgroup_hierarchy(struct task_struct *task, static inline void cgroup_path_from_kernfs_id(u64 id, char *buf, size_t buflen) {} + +static inline struct cgroup *cgroup_get_from_id(u64 id) +{ + return NULL; +} #endif /* !CONFIG_CGROUPS */ #ifdef CONFIG_CGROUPS @@ -816,33 +829,13 @@ static inline void cgroup_account_cputime_field(struct task_struct *task, */ #ifdef CONFIG_SOCK_CGROUP_DATA -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) -extern spinlock_t cgroup_sk_update_lock; -#endif - -void cgroup_sk_alloc_disable(void); void cgroup_sk_alloc(struct sock_cgroup_data *skcd); void cgroup_sk_clone(struct sock_cgroup_data *skcd); void cgroup_sk_free(struct sock_cgroup_data *skcd); static inline struct cgroup *sock_cgroup_ptr(struct sock_cgroup_data *skcd) { -#if defined(CONFIG_CGROUP_NET_PRIO) || defined(CONFIG_CGROUP_NET_CLASSID) - unsigned long v; - - /* - * @skcd->val is 64bit but the following is safe on 32bit too as we - * just need the lower ulong to be written and read atomically. - */ - v = READ_ONCE(skcd->val); - - if (v & 3) - return &cgrp_dfl_root.cgrp; - - return (struct cgroup *)(unsigned long)v ?: &cgrp_dfl_root.cgrp; -#else - return (struct cgroup *)(unsigned long)skcd->val; -#endif + return skcd->cgroup; } #else /* CONFIG_CGROUP_DATA */ @@ -906,20 +899,6 @@ void cgroup_freeze(struct cgroup *cgrp, bool freeze); void cgroup_freezer_migrate_task(struct task_struct *task, struct cgroup *src, struct cgroup *dst); -static inline bool cgroup_task_freeze(struct task_struct *task) -{ - bool ret; - - if (task->flags & PF_KTHREAD) - return false; - - rcu_read_lock(); - ret = test_bit(CGRP_FREEZE, &task_dfl_cgroup(task)->flags); - rcu_read_unlock(); - - return ret; -} - static inline bool cgroup_task_frozen(struct task_struct *task) { return task->frozen; @@ -929,10 +908,6 @@ static inline bool cgroup_task_frozen(struct task_struct *task) static inline void cgroup_enter_frozen(void) { } static inline void cgroup_leave_frozen(bool always_leave) { } -static inline bool cgroup_task_freeze(struct task_struct *task) -{ - return false; -} static inline bool cgroup_task_frozen(struct task_struct *task) { return false; diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 162a2e5546a3..f59c875271a0 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -342,7 +342,7 @@ struct clk_fixed_rate { unsigned long flags; }; -#define CLK_FIXED_RATE_PARENT_ACCURACY BIT(0) +#define CLK_FIXED_RATE_PARENT_ACCURACY BIT(0) extern const struct clk_ops clk_fixed_rate_ops; struct clk_hw *__clk_hw_register_fixed_rate(struct device *dev, @@ -629,6 +629,12 @@ long divider_ro_round_rate_parent(struct clk_hw *hw, struct clk_hw *parent, unsigned long rate, unsigned long *prate, const struct clk_div_table *table, u8 width, unsigned long flags, unsigned int val); +int divider_determine_rate(struct clk_hw *hw, struct clk_rate_request *req, + const struct clk_div_table *table, u8 width, + unsigned long flags); +int divider_ro_determine_rate(struct clk_hw *hw, struct clk_rate_request *req, + const struct clk_div_table *table, u8 width, + unsigned long flags, unsigned int val); int divider_get_val(unsigned long rate, unsigned long parent_rate, const struct clk_div_table *table, u8 width, unsigned long flags); @@ -995,6 +1001,12 @@ struct clk_hw *devm_clk_hw_register_fixed_factor(struct device *dev, * CLK_FRAC_DIVIDER_BIG_ENDIAN - By default little endian register accesses are * used for the divider register. Setting this flag makes the register * accesses big endian. + * CLK_FRAC_DIVIDER_POWER_OF_TWO_PS - By default the resulting fraction might + * be saturated and the caller will get quite far from the good enough + * approximation. Instead the caller may require, by setting this flag, + * to shift left by a few bits in case, when the asked one is quite small + * to satisfy the desired range of denominator. It assumes that on the + * caller's side the power-of-two capable prescaler exists. */ struct clk_fractional_divider { struct clk_hw hw; @@ -1016,8 +1028,8 @@ struct clk_fractional_divider { #define CLK_FRAC_DIVIDER_ZERO_BASED BIT(0) #define CLK_FRAC_DIVIDER_BIG_ENDIAN BIT(1) +#define CLK_FRAC_DIVIDER_POWER_OF_TWO_PS BIT(2) -extern const struct clk_ops clk_fractional_divider_ops; struct clk *clk_register_fractional_divider(struct device *dev, const char *name, const char *parent_name, unsigned long flags, void __iomem *reg, u8 mshift, u8 mwidth, u8 nshift, u8 nwidth, @@ -1063,9 +1075,9 @@ struct clk_multiplier { #define to_clk_multiplier(_hw) container_of(_hw, struct clk_multiplier, hw) -#define CLK_MULTIPLIER_ZERO_BYPASS BIT(0) +#define CLK_MULTIPLIER_ZERO_BYPASS BIT(0) #define CLK_MULTIPLIER_ROUND_CLOSEST BIT(1) -#define CLK_MULTIPLIER_BIG_ENDIAN BIT(2) +#define CLK_MULTIPLIER_BIG_ENDIAN BIT(2) extern const struct clk_ops clk_multiplier_ops; diff --git a/include/linux/clk/at91_pmc.h b/include/linux/clk/at91_pmc.h index a4f82e836a7c..ccb3f034bfa9 100644 --- a/include/linux/clk/at91_pmc.h +++ b/include/linux/clk/at91_pmc.h @@ -137,6 +137,32 @@ #define AT91_PMC_PLLADIV2_ON (1 << 12) #define AT91_PMC_H32MXDIV BIT(24) +#define AT91_PMC_MCR_V2 0x30 /* Master Clock Register [SAMA7G5 only] */ +#define AT91_PMC_MCR_V2_ID_MSK (0xF) +#define AT91_PMC_MCR_V2_ID(_id) ((_id) & AT91_PMC_MCR_V2_ID_MSK) +#define AT91_PMC_MCR_V2_CMD (1 << 7) +#define AT91_PMC_MCR_V2_DIV (7 << 8) +#define AT91_PMC_MCR_V2_DIV1 (0 << 8) +#define AT91_PMC_MCR_V2_DIV2 (1 << 8) +#define AT91_PMC_MCR_V2_DIV4 (2 << 8) +#define AT91_PMC_MCR_V2_DIV8 (3 << 8) +#define AT91_PMC_MCR_V2_DIV16 (4 << 8) +#define AT91_PMC_MCR_V2_DIV32 (5 << 8) +#define AT91_PMC_MCR_V2_DIV64 (6 << 8) +#define AT91_PMC_MCR_V2_DIV3 (7 << 8) +#define AT91_PMC_MCR_V2_CSS (0x1F << 16) +#define AT91_PMC_MCR_V2_CSS_MD_SLCK (0 << 16) +#define AT91_PMC_MCR_V2_CSS_TD_SLCK (1 << 16) +#define AT91_PMC_MCR_V2_CSS_MAINCK (2 << 16) +#define AT91_PMC_MCR_V2_CSS_MCK0 (3 << 16) +#define AT91_PMC_MCR_V2_CSS_SYSPLL (5 << 16) +#define AT91_PMC_MCR_V2_CSS_DDRPLL (6 << 16) +#define AT91_PMC_MCR_V2_CSS_IMGPLL (7 << 16) +#define AT91_PMC_MCR_V2_CSS_BAUDPLL (8 << 16) +#define AT91_PMC_MCR_V2_CSS_AUDIOPLL (9 << 16) +#define AT91_PMC_MCR_V2_CSS_ETHPLL (10 << 16) +#define AT91_PMC_MCR_V2_EN (1 << 28) + #define AT91_PMC_XTALF 0x34 /* Main XTAL Frequency Register [SAMA7G5 only] */ #define AT91_PMC_USB 0x38 /* USB Clock Register [some SAM9 only] */ diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h index f7ff722a03dd..d128ad1570aa 100644 --- a/include/linux/clk/tegra.h +++ b/include/linux/clk/tegra.h @@ -123,20 +123,6 @@ static inline void tegra_cpu_clock_resume(void) } #endif -extern int tegra210_plle_hw_sequence_start(void); -extern bool tegra210_plle_hw_sequence_is_enabled(void); -extern void tegra210_xusb_pll_hw_control_enable(void); -extern void tegra210_xusb_pll_hw_sequence_start(void); -extern void tegra210_sata_pll_hw_control_enable(void); -extern void tegra210_sata_pll_hw_sequence_start(void); -extern void tegra210_set_sata_pll_seq_sw(bool state); -extern void tegra210_put_utmipll_in_iddq(void); -extern void tegra210_put_utmipll_out_iddq(void); -extern int tegra210_clk_handle_mbist_war(unsigned int id); -extern void tegra210_clk_emc_dll_enable(bool flag); -extern void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value); -extern void tegra210_clk_emc_update_setting(u32 emc_src_value); - struct clk; struct tegra_emc; @@ -144,17 +130,10 @@ typedef long (tegra20_clk_emc_round_cb)(unsigned long rate, unsigned long min_rate, unsigned long max_rate, void *arg); - -void tegra20_clk_set_emc_round_callback(tegra20_clk_emc_round_cb *round_cb, - void *cb_arg); -int tegra20_clk_prepare_emc_mc_same_freq(struct clk *emc_clk, bool same); - typedef int (tegra124_emc_prepare_timing_change_cb)(struct tegra_emc *emc, unsigned long rate); typedef void (tegra124_emc_complete_timing_change_cb)(struct tegra_emc *emc, unsigned long rate); -void tegra124_clk_set_emc_callbacks(tegra124_emc_prepare_timing_change_cb *prep_cb, - tegra124_emc_complete_timing_change_cb *complete_cb); struct tegra210_clk_emc_config { unsigned long rate; @@ -176,8 +155,87 @@ struct tegra210_clk_emc_provider { const struct tegra210_clk_emc_config *config); }; +#if defined(CONFIG_ARCH_TEGRA_2x_SOC) || defined(CONFIG_ARCH_TEGRA_3x_SOC) +void tegra20_clk_set_emc_round_callback(tegra20_clk_emc_round_cb *round_cb, + void *cb_arg); +int tegra20_clk_prepare_emc_mc_same_freq(struct clk *emc_clk, bool same); +#else +static inline void +tegra20_clk_set_emc_round_callback(tegra20_clk_emc_round_cb *round_cb, + void *cb_arg) +{ +} + +static inline int +tegra20_clk_prepare_emc_mc_same_freq(struct clk *emc_clk, bool same) +{ + return 0; +} +#endif + +#ifdef CONFIG_TEGRA124_CLK_EMC +void tegra124_clk_set_emc_callbacks(tegra124_emc_prepare_timing_change_cb *prep_cb, + tegra124_emc_complete_timing_change_cb *complete_cb); +#else +static inline void +tegra124_clk_set_emc_callbacks(tegra124_emc_prepare_timing_change_cb *prep_cb, + tegra124_emc_complete_timing_change_cb *complete_cb) +{ +} +#endif + +#ifdef CONFIG_ARCH_TEGRA_210_SOC +int tegra210_plle_hw_sequence_start(void); +bool tegra210_plle_hw_sequence_is_enabled(void); +void tegra210_xusb_pll_hw_control_enable(void); +void tegra210_xusb_pll_hw_sequence_start(void); +void tegra210_sata_pll_hw_control_enable(void); +void tegra210_sata_pll_hw_sequence_start(void); +void tegra210_set_sata_pll_seq_sw(bool state); +void tegra210_put_utmipll_in_iddq(void); +void tegra210_put_utmipll_out_iddq(void); +int tegra210_clk_handle_mbist_war(unsigned int id); +void tegra210_clk_emc_dll_enable(bool flag); +void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value); +void tegra210_clk_emc_update_setting(u32 emc_src_value); + int tegra210_clk_emc_attach(struct clk *clk, struct tegra210_clk_emc_provider *provider); void tegra210_clk_emc_detach(struct clk *clk); +#else +static inline int tegra210_plle_hw_sequence_start(void) +{ + return 0; +} + +static inline bool tegra210_plle_hw_sequence_is_enabled(void) +{ + return false; +} + +static inline int tegra210_clk_handle_mbist_war(unsigned int id) +{ + return 0; +} + +static inline int +tegra210_clk_emc_attach(struct clk *clk, + struct tegra210_clk_emc_provider *provider) +{ + return 0; +} + +static inline void tegra210_xusb_pll_hw_control_enable(void) {} +static inline void tegra210_xusb_pll_hw_sequence_start(void) {} +static inline void tegra210_sata_pll_hw_control_enable(void) {} +static inline void tegra210_sata_pll_hw_sequence_start(void) {} +static inline void tegra210_set_sata_pll_seq_sw(bool state) {} +static inline void tegra210_put_utmipll_in_iddq(void) {} +static inline void tegra210_put_utmipll_out_iddq(void) {} +static inline void tegra210_clk_emc_dll_enable(bool flag) {} +static inline void tegra210_clk_emc_dll_update_setting(u32 emc_dll_src_value) {} +static inline void tegra210_clk_emc_update_setting(u32 emc_src_value) {} +static inline void tegra210_clk_emc_detach(struct clk *clk) {} +#endif #endif /* __LINUX_CLK_TEGRA_H_ */ diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h index c62f6fa6763d..3486f20a3753 100644 --- a/include/linux/clk/ti.h +++ b/include/linux/clk/ti.h @@ -63,6 +63,17 @@ struct clk_omap_reg { * @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg * @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs * @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs + * @ssc_deltam_reg: register containing the DPLL SSC frequency spreading + * @ssc_modfreq_reg: register containing the DPLL SSC modulation frequency + * @ssc_modfreq_mant_mask: mask of the mantissa component in @ssc_modfreq_reg + * @ssc_modfreq_exp_mask: mask of the exponent component in @ssc_modfreq_reg + * @ssc_enable_mask: mask of the DPLL SSC enable bit in @control_reg + * @ssc_downspread_mask: mask of the DPLL SSC low frequency only bit in + * @control_reg + * @ssc_modfreq: the DPLL SSC frequency modulation in kHz + * @ssc_deltam: the DPLL SSC frequency spreading in permille (10th of percent) + * @ssc_downspread: require the only low frequency spread of the DPLL in SSC + * mode * @flags: DPLL type/features (see below) * * Possible values for @flags: @@ -110,6 +121,17 @@ struct dpll_data { u8 auto_recal_bit; u8 recal_en_bit; u8 recal_st_bit; + struct clk_omap_reg ssc_deltam_reg; + struct clk_omap_reg ssc_modfreq_reg; + u32 ssc_deltam_int_mask; + u32 ssc_deltam_frac_mask; + u32 ssc_modfreq_mant_mask; + u32 ssc_modfreq_exp_mask; + u32 ssc_enable_mask; + u32 ssc_downspread_mask; + u32 ssc_modfreq; + u32 ssc_deltam; + bool ssc_downspread; u8 flags; }; diff --git a/include/linux/clkdev.h b/include/linux/clkdev.h index fd06b2780a22..8a8423eb8e9a 100644 --- a/include/linux/clkdev.h +++ b/include/linux/clkdev.h @@ -30,11 +30,6 @@ struct clk_lookup { .clk = c, \ } -struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, - const char *dev_fmt, ...) __printf(3, 4); -struct clk_lookup *clkdev_hw_alloc(struct clk_hw *hw, const char *con_id, - const char *dev_fmt, ...) __printf(3, 4); - void clkdev_add(struct clk_lookup *cl); void clkdev_drop(struct clk_lookup *cl); diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h index d6ab416ee2d2..1d42d4b17327 100644 --- a/include/linux/clocksource.h +++ b/include/linux/clocksource.h @@ -43,6 +43,8 @@ struct module; * @shift: Cycle to nanosecond divisor (power of two) * @max_idle_ns: Maximum idle time permitted by the clocksource (nsecs) * @maxadj: Maximum adjustment value to mult (~11%) + * @uncertainty_margin: Maximum uncertainty in nanoseconds per half second. + * Zero says to use default WATCHDOG_THRESHOLD. * @archdata: Optional arch-specific data * @max_cycles: Maximum safe cycle value which won't overflow on * multiplication @@ -98,6 +100,7 @@ struct clocksource { u32 shift; u64 max_idle_ns; u32 maxadj; + u32 uncertainty_margin; #ifdef CONFIG_ARCH_CLOCKSOURCE_DATA struct arch_clocksource_data archdata; #endif @@ -137,7 +140,7 @@ struct clocksource { #define CLOCK_SOURCE_UNSTABLE 0x40 #define CLOCK_SOURCE_SUSPEND_NONSTOP 0x80 #define CLOCK_SOURCE_RESELECT 0x100 - +#define CLOCK_SOURCE_VERIFY_PERCPU 0x200 /* simplify initialization of mask field */ #define CLOCKSOURCE_MASK(bits) GENMASK_ULL((bits) - 1, 0) @@ -288,4 +291,7 @@ static inline void timer_probe(void) {} #define TIMER_ACPI_DECLARE(name, table_id, fn) \ ACPI_DECLARE_PROBE_ENTRY(timer, name, table_id, 0, NULL, 0, fn) +extern ulong max_cswd_read_retries; +void clocksource_verify_percpu(struct clocksource *cs); + #endif /* _LINUX_CLOCKSOURCE_H */ diff --git a/include/linux/cmdline-parser.h b/include/linux/cmdline-parser.h deleted file mode 100644 index 68a541807bdf..000000000000 --- a/include/linux/cmdline-parser.h +++ /dev/null @@ -1,46 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Parsing command line, get the partitions information. - * - * Written by Cai Zhiyong <caizhiyong@huawei.com> - * - */ -#ifndef CMDLINEPARSEH -#define CMDLINEPARSEH - -#include <linux/blkdev.h> -#include <linux/fs.h> -#include <linux/slab.h> - -/* partition flags */ -#define PF_RDONLY 0x01 /* Device is read only */ -#define PF_POWERUP_LOCK 0x02 /* Always locked after reset */ - -struct cmdline_subpart { - char name[BDEVNAME_SIZE]; /* partition name, such as 'rootfs' */ - sector_t from; - sector_t size; - int flags; - struct cmdline_subpart *next_subpart; -}; - -struct cmdline_parts { - char name[BDEVNAME_SIZE]; /* block device, such as 'mmcblk0' */ - unsigned int nr_subparts; - struct cmdline_subpart *subpart; - struct cmdline_parts *next_parts; -}; - -void cmdline_parts_free(struct cmdline_parts **parts); - -int cmdline_parts_parse(struct cmdline_parts **parts, const char *cmdline); - -struct cmdline_parts *cmdline_parts_find(struct cmdline_parts *parts, - const char *bdev); - -int cmdline_parts_set(struct cmdline_parts *parts, sector_t disk_size, - int slot, - int (*add_part)(int, struct cmdline_subpart *, void *), - void *param); - -#endif /* CMDLINEPARSEH */ diff --git a/include/linux/compaction.h b/include/linux/compaction.h index 4221888bdcd6..34bce35c808d 100644 --- a/include/linux/compaction.h +++ b/include/linux/compaction.h @@ -35,12 +35,12 @@ enum compact_result { COMPACT_CONTINUE, /* - * The full zone was compacted scanned but wasn't successfull to compact + * The full zone was compacted scanned but wasn't successful to compact * suitable pages. */ COMPACT_COMPLETE, /* - * direct compaction has scanned part of the zone but wasn't successfull + * direct compaction has scanned part of the zone but wasn't successful * to compact suitable pages. */ COMPACT_PARTIAL_SKIPPED, @@ -84,6 +84,8 @@ static inline unsigned long compact_gap(unsigned int order) extern unsigned int sysctl_compaction_proactiveness; extern int sysctl_compaction_handler(struct ctl_table *table, int write, void *buffer, size_t *length, loff_t *ppos); +extern int compaction_proactiveness_sysctl_handler(struct ctl_table *table, + int write, void *buffer, size_t *length, loff_t *ppos); extern int sysctl_extfrag_threshold; extern int sysctl_compact_unevictable_allowed; diff --git a/include/linux/compat.h b/include/linux/compat.h index 8855b1b702b2..1c758b0e0359 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -20,11 +20,8 @@ #include <linux/unistd.h> #include <asm/compat.h> - -#ifdef CONFIG_COMPAT #include <asm/siginfo.h> #include <asm/signal.h> -#endif #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER /* @@ -95,8 +92,6 @@ struct compat_iovec { compat_size_t iov_len; }; -#ifdef CONFIG_COMPAT - #ifndef compat_user_stack_pointer #define compat_user_stack_pointer() current_user_stack_pointer() #endif @@ -131,9 +126,11 @@ struct compat_tms { #define _COMPAT_NSIG_WORDS (_COMPAT_NSIG / _COMPAT_NSIG_BPW) +#ifndef compat_sigset_t typedef struct { compat_sigset_word sig[_COMPAT_NSIG_WORDS]; } compat_sigset_t; +#endif int set_compat_user_sigmask(const compat_sigset_t __user *umask, size_t sigsetsize); @@ -384,6 +381,7 @@ struct compat_keyctl_kdf_params { __u32 __spare[8]; }; +struct compat_stat; struct compat_statfs; struct compat_statfs64; struct compat_old_linux_dirent; @@ -397,14 +395,6 @@ struct compat_kexec_segment; struct compat_mq_attr; struct compat_msgbuf; -#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) - -#define BITS_TO_COMPAT_LONGS(bits) DIV_ROUND_UP(bits, BITS_PER_COMPAT_LONG) - -long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, - unsigned long bitmap_size); -long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, - unsigned long bitmap_size); void copy_siginfo_to_external32(struct compat_siginfo *to, const struct kernel_siginfo *from); int copy_siginfo_from_user32(kernel_siginfo_t *to, @@ -428,7 +418,7 @@ put_compat_sigset(compat_sigset_t __user *compat, const sigset_t *set, unsigned int size) { /* size <= sizeof(compat_sigset_t) <= sizeof(sigset_t) */ -#ifdef __BIG_ENDIAN +#if defined(__BIG_ENDIAN) && defined(CONFIG_64BIT) compat_sigset_t v; switch (_NSIG_WORDS) { case 4: v.sig[7] = (set->sig[3] >> 32); v.sig[6] = set->sig[3]; @@ -521,8 +511,6 @@ extern long compat_arch_ptrace(struct task_struct *child, compat_long_t request, struct epoll_event; /* fortunately, this one is fixed-layout */ -extern void __user *compat_alloc_user_space(unsigned long len); - int compat_restore_altstack(const compat_stack_t __user *uss); int __compat_save_altstack(compat_stack_t __user *, unsigned long); #define unsafe_compat_save_altstack(uss, sp, label) do { \ @@ -532,8 +520,6 @@ int __compat_save_altstack(compat_stack_t __user *, unsigned long); &__uss->ss_sp, label); \ unsafe_put_user(t->sas_ss_flags, &__uss->ss_flags, label); \ unsafe_put_user(t->sas_ss_size, &__uss->ss_size, label); \ - if (t->sas_ss_flags & SS_AUTODISARM) \ - sas_ss_reset(t); \ } while (0); /* @@ -811,26 +797,6 @@ asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr /* mm/fadvise.c: No generic prototype for fadvise64_64 */ /* mm/, CONFIG_MMU only */ -asmlinkage long compat_sys_mbind(compat_ulong_t start, compat_ulong_t len, - compat_ulong_t mode, - compat_ulong_t __user *nmask, - compat_ulong_t maxnode, compat_ulong_t flags); -asmlinkage long compat_sys_get_mempolicy(int __user *policy, - compat_ulong_t __user *nmask, - compat_ulong_t maxnode, - compat_ulong_t addr, - compat_ulong_t flags); -asmlinkage long compat_sys_set_mempolicy(int mode, compat_ulong_t __user *nmask, - compat_ulong_t maxnode); -asmlinkage long compat_sys_migrate_pages(compat_pid_t pid, - compat_ulong_t maxnode, const compat_ulong_t __user *old_nodes, - const compat_ulong_t __user *new_nodes); -asmlinkage long compat_sys_move_pages(pid_t pid, compat_ulong_t nr_pages, - __u32 __user *pages, - const int __user *nodes, - int __user *status, - int flags); - asmlinkage long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, struct compat_siginfo __user *uinfo); @@ -931,17 +897,6 @@ asmlinkage long compat_sys_socketcall(int call, u32 __user *args); #endif /* CONFIG_ARCH_HAS_SYSCALL_WRAPPER */ - -/* - * For most but not all architectures, "am I in a compat syscall?" and - * "am I a compat task?" are the same question. For architectures on which - * they aren't the same question, arch code can override in_compat_syscall. - */ - -#ifndef in_compat_syscall -static inline bool in_compat_syscall(void) { return is_compat_task(); } -#endif - /** * ns_to_old_timeval32 - Compat version of ns_to_timeval * @nsec: the nanoseconds value to be converted @@ -971,6 +926,17 @@ int kcompat_sys_statfs64(const char __user * pathname, compat_size_t sz, int kcompat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct compat_statfs64 __user * buf); +#ifdef CONFIG_COMPAT + +/* + * For most but not all architectures, "am I in a compat syscall?" and + * "am I a compat task?" are the same question. For architectures on which + * they aren't the same question, arch code can override in_compat_syscall. + */ +#ifndef in_compat_syscall +static inline bool in_compat_syscall(void) { return is_compat_task(); } +#endif + #else /* !CONFIG_COMPAT */ #define is_compat_task() (0) @@ -980,6 +946,15 @@ static inline bool in_compat_syscall(void) { return false; } #endif /* CONFIG_COMPAT */ +#define BITS_PER_COMPAT_LONG (8*sizeof(compat_long_t)) + +#define BITS_TO_COMPAT_LONGS(bits) DIV_ROUND_UP(bits, BITS_PER_COMPAT_LONG) + +long compat_get_bitmap(unsigned long *mask, const compat_ulong_t __user *umask, + unsigned long bitmap_size); +long compat_put_bitmap(compat_ulong_t __user *umask, unsigned long *mask, + unsigned long bitmap_size); + /* * Some legacy ABIs like the i386 one use less than natural alignment for 64-bit * types, and will need special compat treatment for that. Most architectures diff --git a/include/linux/compiler-clang.h b/include/linux/compiler-clang.h index adbe76b203e2..3c4de9b6c6e3 100644 --- a/include/linux/compiler-clang.h +++ b/include/linux/compiler-clang.h @@ -13,6 +13,12 @@ /* all clang versions usable with the kernel support KASAN ABI version 5 */ #define KASAN_ABI_VERSION 5 +/* + * Note: Checking __has_feature(*_sanitizer) is only true if the feature is + * enabled. Therefore it is not required to additionally check defined(CONFIG_*) + * to avoid adding redundant attributes in other configurations. + */ + #if __has_feature(address_sanitizer) || __has_feature(hwaddress_sanitizer) /* Emulate GCC's __SANITIZE_ADDRESS__ flag */ #define __SANITIZE_ADDRESS__ @@ -46,16 +52,14 @@ #endif /* - * Not all versions of clang implement the type-generic versions - * of the builtin overflow checkers. Fortunately, clang implements - * __has_builtin allowing us to avoid awkward version - * checks. Unfortunately, we don't know which version of gcc clang - * pretends to be, so the macro may or may not be defined. + * Support for __has_feature(coverage_sanitizer) was added in Clang 13 together + * with no_sanitize("coverage"). Prior versions of Clang support coverage + * instrumentation, but cannot be queried for support by the preprocessor. */ -#if __has_builtin(__builtin_mul_overflow) && \ - __has_builtin(__builtin_add_overflow) && \ - __has_builtin(__builtin_sub_overflow) -#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 +#if __has_feature(coverage_sanitizer) +#define __no_sanitize_coverage __attribute__((no_sanitize("coverage"))) +#else +#define __no_sanitize_coverage #endif #if __has_feature(shadow_call_stack) diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index 5d97ef738a57..bd2b881c6b63 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -43,9 +43,6 @@ #define __compiletime_object_size(obj) __builtin_object_size(obj, 0) -#define __compiletime_warning(message) __attribute__((__warning__(message))) -#define __compiletime_error(message) __attribute__((__error__(message))) - #if defined(LATENT_ENTROPY_PLUGIN) && !defined(__CHECKER__) #define __latent_entropy __attribute__((latent_entropy)) #endif @@ -98,10 +95,8 @@ #if GCC_VERSION >= 70000 #define KASAN_ABI_VERSION 5 -#elif GCC_VERSION >= 50000 +#else #define KASAN_ABI_VERSION 4 -#elif GCC_VERSION >= 40902 -#define KASAN_ABI_VERSION 3 #endif #if __has_attribute(__no_sanitize_address__) @@ -122,8 +117,10 @@ #define __no_sanitize_undefined #endif -#if GCC_VERSION >= 50100 -#define COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW 1 +#if defined(CONFIG_KCOV) && __has_attribute(__no_sanitize_coverage__) +#define __no_sanitize_coverage __attribute__((no_sanitize_coverage)) +#else +#define __no_sanitize_coverage #endif /* diff --git a/include/linux/compiler.h b/include/linux/compiler.h index df5b405e6305..3d5af56337bd 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -115,18 +115,24 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, * The __COUNTER__ based labels are a hack to make each instance of the macros * unique, to convince GCC not to merge duplicate inline asm statements. */ -#define annotate_reachable() ({ \ - asm volatile("%c0:\n\t" \ +#define __stringify_label(n) #n + +#define __annotate_reachable(c) ({ \ + asm volatile(__stringify_label(c) ":\n\t" \ ".pushsection .discard.reachable\n\t" \ - ".long %c0b - .\n\t" \ - ".popsection\n\t" : : "i" (__COUNTER__)); \ + ".long " __stringify_label(c) "b - .\n\t" \ + ".popsection\n\t"); \ }) -#define annotate_unreachable() ({ \ - asm volatile("%c0:\n\t" \ +#define annotate_reachable() __annotate_reachable(__COUNTER__) + +#define __annotate_unreachable(c) ({ \ + asm volatile(__stringify_label(c) ":\n\t" \ ".pushsection .discard.unreachable\n\t" \ - ".long %c0b - .\n\t" \ - ".popsection\n\t" : : "i" (__COUNTER__)); \ + ".long " __stringify_label(c) "b - .\n\t" \ + ".popsection\n\t"); \ }) +#define annotate_unreachable() __annotate_unreachable(__COUNTER__) + #define ASM_UNREACHABLE \ "999:\n\t" \ ".pushsection .discard.unreachable\n\t" \ @@ -182,6 +188,8 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, (typeof(ptr)) (__ptr + (off)); }) #endif +#define absolute_pointer(val) RELOC_HIDE((void *)(val), 0) + #ifndef OPTIMIZER_HIDE_VAR /* Make the optimizer believe the variable can be manipulated arbitrarily. */ #define OPTIMIZER_HIDE_VAR(var) \ @@ -213,6 +221,16 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, __v; \ }) +/* + * With CONFIG_CFI_CLANG, the compiler replaces function addresses in + * instrumented C code with jump table addresses. Architectures that + * support CFI can define this macro to return the actual function address + * when needed. + */ +#ifndef function_nocfi +#define function_nocfi(x) (x) +#endif + #endif /* __KERNEL__ */ /* diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h index 183ddd5fd072..e6ec63403965 100644 --- a/include/linux/compiler_attributes.h +++ b/include/linux/compiler_attributes.h @@ -21,25 +21,6 @@ */ /* - * __has_attribute is supported on gcc >= 5, clang >= 2.9 and icc >= 17. - * In the meantime, to support gcc < 5, we implement __has_attribute - * by hand. - */ -#ifndef __has_attribute -# define __has_attribute(x) __GCC4_has_attribute_##x -# define __GCC4_has_attribute___assume_aligned__ (__GNUC_MINOR__ >= 9) -# define __GCC4_has_attribute___copy__ 0 -# define __GCC4_has_attribute___designated_init__ 0 -# define __GCC4_has_attribute___externally_visible__ 1 -# define __GCC4_has_attribute___no_caller_saved_registers__ 0 -# define __GCC4_has_attribute___noclone__ 1 -# define __GCC4_has_attribute___nonstring__ 0 -# define __GCC4_has_attribute___no_sanitize_address__ (__GNUC_MINOR__ >= 8) -# define __GCC4_has_attribute___no_sanitize_undefined__ (__GNUC_MINOR__ >= 9) -# define __GCC4_has_attribute___fallthrough__ 0 -#endif - -/* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-alias-function-attribute */ #define __alias(symbol) __attribute__((__alias__(#symbol))) @@ -73,7 +54,6 @@ * compiler should see some alignment anyway, when the return value is * massaged by 'flags = ptr & 3; ptr &= ~3;'). * - * Optional: only supported since gcc >= 4.9 * Optional: not supported by icc * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-assume_005faligned-function-attribute @@ -137,6 +117,17 @@ #endif /* + * Optional: only supported since clang >= 14.0 + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-error-function-attribute + */ +#if __has_attribute(__error__) +# define __compiletime_error(msg) __attribute__((__error__(msg))) +#else +# define __compiletime_error(msg) +#endif + +/* * Optional: not supported by clang * * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-externally_005fvisible-function-attribute @@ -239,6 +230,18 @@ #endif /* + * Optional: only supported since GCC >= 7.1, clang >= 13.0. + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-no_005fprofile_005finstrument_005ffunction-function-attribute + * clang: https://clang.llvm.org/docs/AttributeReference.html#no-profile-instrument-function + */ +#if __has_attribute(__no_profile_instrument_function__) +# define __no_profile __attribute__((__no_profile_instrument_function__)) +#else +# define __no_profile +#endif + +/* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-noreturn-function-attribute * clang: https://clang.llvm.org/docs/AttributeReference.html#noreturn * clang: https://clang.llvm.org/docs/AttributeReference.html#id1 @@ -286,6 +289,17 @@ #define __must_check __attribute__((__warn_unused_result__)) /* + * Optional: only supported since clang >= 14.0 + * + * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-warning-function-attribute + */ +#if __has_attribute(__warning__) +# define __compiletime_warning(msg) __attribute__((__warning__(msg))) +#else +# define __compiletime_warning(msg) +#endif + +/* * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-weak-function-attribute * gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Variable-Attributes.html#index-weak-variable-attribute */ diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index d29bda7f6ebd..b6ff83a714ca 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -210,7 +210,7 @@ struct ftrace_likely_data { /* Section for code which can't be instrumented at all */ #define noinstr \ noinline notrace __attribute((__section__(".noinstr.text"))) \ - __no_kcsan __no_sanitize_address + __no_kcsan __no_sanitize_address __no_profile __no_sanitize_coverage #endif /* __KERNEL__ */ @@ -294,12 +294,6 @@ struct ftrace_likely_data { #ifndef __compiletime_object_size # define __compiletime_object_size(obj) -1 #endif -#ifndef __compiletime_warning -# define __compiletime_warning(message) -#endif -#ifndef __compiletime_error -# define __compiletime_error(message) -#endif #ifdef __OPTIMIZE__ # define __compiletime_assert(condition, msg, prefix, suffix) \ diff --git a/include/linux/coresight.h b/include/linux/coresight.h index 85008a65e21f..93a2922b7653 100644 --- a/include/linux/coresight.h +++ b/include/linux/coresight.h @@ -220,6 +220,10 @@ struct coresight_sysfs_link { * @nr_links: number of sysfs links created to other components from this * device. These will appear in the "connections" group. * @has_conns_grp: Have added a "connections" group for sysfs links. + * @feature_csdev_list: List of complex feature programming added to the device. + * @config_csdev_list: List of system configurations added to the device. + * @cscfg_csdev_lock: Protect the lists of configurations and features. + * @active_cscfg_ctxt: Context information for current active system configuration. */ struct coresight_device { struct coresight_platform_data *pdata; @@ -241,6 +245,11 @@ struct coresight_device { int nr_links; bool has_conns_grp; bool ect_enabled; /* true only if associated ect device is enabled */ + /* system configuration and feature lists */ + struct list_head feature_csdev_list; + struct list_head config_csdev_list; + spinlock_t cscfg_csdev_lock; + void *active_cscfg_ctxt; }; /* diff --git a/include/linux/counter.h b/include/linux/counter.h index 9dbd5df4cd34..d16ce2819b48 100644 --- a/include/linux/counter.h +++ b/include/linux/counter.h @@ -162,15 +162,15 @@ struct counter_count_ext { void *priv; }; -enum counter_count_function { - COUNTER_COUNT_FUNCTION_INCREASE = 0, - COUNTER_COUNT_FUNCTION_DECREASE, - COUNTER_COUNT_FUNCTION_PULSE_DIRECTION, - COUNTER_COUNT_FUNCTION_QUADRATURE_X1_A, - COUNTER_COUNT_FUNCTION_QUADRATURE_X1_B, - COUNTER_COUNT_FUNCTION_QUADRATURE_X2_A, - COUNTER_COUNT_FUNCTION_QUADRATURE_X2_B, - COUNTER_COUNT_FUNCTION_QUADRATURE_X4 +enum counter_function { + COUNTER_FUNCTION_INCREASE = 0, + COUNTER_FUNCTION_DECREASE, + COUNTER_FUNCTION_PULSE_DIRECTION, + COUNTER_FUNCTION_QUADRATURE_X1_A, + COUNTER_FUNCTION_QUADRATURE_X1_B, + COUNTER_FUNCTION_QUADRATURE_X2_A, + COUNTER_FUNCTION_QUADRATURE_X2_B, + COUNTER_FUNCTION_QUADRATURE_X4 }; /** @@ -192,7 +192,7 @@ struct counter_count { const char *name; size_t function; - const enum counter_count_function *functions_list; + const enum counter_function *functions_list; size_t num_functions; struct counter_synapse *synapses; @@ -290,16 +290,16 @@ struct counter_device_state { const struct attribute_group **groups; }; -enum counter_signal_value { - COUNTER_SIGNAL_LOW = 0, - COUNTER_SIGNAL_HIGH +enum counter_signal_level { + COUNTER_SIGNAL_LEVEL_LOW, + COUNTER_SIGNAL_LEVEL_HIGH, }; /** * struct counter_ops - Callbacks from driver * @signal_read: optional read callback for Signal attribute. The read - * value of the respective Signal should be passed back via - * the val parameter. + * level of the respective Signal should be passed back via + * the level parameter. * @count_read: optional read callback for Count attribute. The read * value of the respective Count should be passed back via * the val parameter. @@ -324,7 +324,7 @@ enum counter_signal_value { struct counter_ops { int (*signal_read)(struct counter_device *counter, struct counter_signal *signal, - enum counter_signal_value *val); + enum counter_signal_level *level); int (*count_read)(struct counter_device *counter, struct counter_count *count, unsigned long *val); int (*count_write)(struct counter_device *counter, diff --git a/include/linux/cpu.h b/include/linux/cpu.h index 94a578a96202..9cf51e41e697 100644 --- a/include/linux/cpu.h +++ b/include/linux/cpu.h @@ -143,12 +143,6 @@ static inline int remove_cpu(unsigned int cpu) { return -EPERM; } static inline void smp_shutdown_nonboot_cpus(unsigned int primary_cpu) { } #endif /* !CONFIG_HOTPLUG_CPU */ -/* Wrappers which go away once all code is converted */ -static inline void cpu_hotplug_begin(void) { cpus_write_lock(); } -static inline void cpu_hotplug_done(void) { cpus_write_unlock(); } -static inline void get_online_cpus(void) { cpus_read_lock(); } -static inline void put_online_cpus(void) { cpus_read_unlock(); } - #ifdef CONFIG_PM_SLEEP_SMP extern int freeze_secondary_cpus(int primary); extern void thaw_secondary_cpus(void); diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 353969c7acd3..ff88bb3e44fc 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -9,10 +9,14 @@ #define _LINUX_CPUFREQ_H #include <linux/clk.h> +#include <linux/cpu.h> #include <linux/cpumask.h> #include <linux/completion.h> #include <linux/kobject.h> #include <linux/notifier.h> +#include <linux/of.h> +#include <linux/of_device.h> +#include <linux/pm_opp.h> #include <linux/pm_qos.h> #include <linux/spinlock.h> #include <linux/sysfs.h> @@ -331,15 +335,6 @@ struct cpufreq_driver { unsigned long capacity); /* - * Caches and returns the lowest driver-supported frequency greater than - * or equal to the target frequency, subject to any driver limitations. - * Does not set the frequency. Only to be implemented for drivers with - * target(). - */ - unsigned int (*resolve_freq)(struct cpufreq_policy *policy, - unsigned int target_freq); - - /* * Only for drivers with target_index() and CPUFREQ_ASYNC_NOTIFICATION * unset. * @@ -371,18 +366,20 @@ struct cpufreq_driver { int (*online)(struct cpufreq_policy *policy); int (*offline)(struct cpufreq_policy *policy); int (*exit)(struct cpufreq_policy *policy); - void (*stop_cpu)(struct cpufreq_policy *policy); int (*suspend)(struct cpufreq_policy *policy); int (*resume)(struct cpufreq_policy *policy); - /* Will be called after the driver is fully initialized */ - void (*ready)(struct cpufreq_policy *policy); - struct freq_attr **attr; /* platform specific boost support code */ bool boost_enabled; int (*set_boost)(struct cpufreq_policy *policy, int state); + + /* + * Set by drivers that want to register with the energy model after the + * policy is properly initialized, but before the governor is started. + */ + void (*register_em)(struct cpufreq_policy *policy); }; /* flags */ @@ -1005,6 +1002,55 @@ static inline int cpufreq_table_count_valid_entries(const struct cpufreq_policy return count; } + +static inline int parse_perf_domain(int cpu, const char *list_name, + const char *cell_name) +{ + struct device_node *cpu_np; + struct of_phandle_args args; + int ret; + + cpu_np = of_cpu_device_node_get(cpu); + if (!cpu_np) + return -ENODEV; + + ret = of_parse_phandle_with_args(cpu_np, list_name, cell_name, 0, + &args); + if (ret < 0) + return ret; + + of_node_put(cpu_np); + + return args.args[0]; +} + +static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name, + const char *cell_name, struct cpumask *cpumask) +{ + int target_idx; + int cpu, ret; + + ret = parse_perf_domain(pcpu, list_name, cell_name); + if (ret < 0) + return ret; + + target_idx = ret; + cpumask_set_cpu(pcpu, cpumask); + + for_each_possible_cpu(cpu) { + if (cpu == pcpu) + continue; + + ret = parse_perf_domain(pcpu, list_name, cell_name); + if (ret < 0) + continue; + + if (target_idx == ret) + cpumask_set_cpu(cpu, cpumask); + } + + return target_idx; +} #else static inline int cpufreq_boost_trigger_state(int state) { @@ -1024,6 +1070,12 @@ static inline bool policy_has_boost_freq(struct cpufreq_policy *policy) { return false; } + +static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_name, + const char *cell_name, struct cpumask *cpumask) +{ + return -EOPNOTSUPP; +} #endif #if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) @@ -1045,7 +1097,6 @@ void arch_set_freq_scale(const struct cpumask *cpus, { } #endif - /* the following are really really optional */ extern struct freq_attr cpufreq_freq_attr_scaling_available_freqs; extern struct freq_attr cpufreq_freq_attr_scaling_boost_freqs; @@ -1056,4 +1107,10 @@ unsigned int cpufreq_generic_get(unsigned int cpu); void cpufreq_generic_init(struct cpufreq_policy *policy, struct cpufreq_frequency_table *table, unsigned int transition_latency); + +static inline void cpufreq_register_em_with_opp(struct cpufreq_policy *policy) +{ + dev_pm_opp_of_register_em(get_cpu_device(policy->cpu), + policy->related_cpus); +} #endif /* _LINUX_CPUFREQ_H */ diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 4a62b3980642..991911048857 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -22,8 +22,42 @@ * AP_ACTIVE AP_ACTIVE */ +/* + * CPU hotplug states. The state machine invokes the installed state + * startup callbacks sequentially from CPUHP_OFFLINE + 1 to CPUHP_ONLINE + * during a CPU online operation. During a CPU offline operation the + * installed teardown callbacks are invoked in the reverse order from + * CPU_ONLINE - 1 down to CPUHP_OFFLINE. + * + * The state space has three sections: PREPARE, STARTING and ONLINE. + * + * PREPARE: The callbacks are invoked on a control CPU before the + * hotplugged CPU is started up or after the hotplugged CPU has died. + * + * STARTING: The callbacks are invoked on the hotplugged CPU from the low level + * hotplug startup/teardown code with interrupts disabled. + * + * ONLINE: The callbacks are invoked on the hotplugged CPU from the per CPU + * hotplug thread with interrupts and preemption enabled. + * + * Adding explicit states to this enum is only necessary when: + * + * 1) The state is within the STARTING section + * + * 2) The state has ordering constraints vs. other states in the + * same section. + * + * If neither #1 nor #2 apply, please use the dynamic state space when + * setting up a state by using CPUHP_PREPARE_DYN or CPUHP_PREPARE_ONLINE + * for the @state argument of the setup function. + * + * See Documentation/core-api/cpu_hotplug.rst for further information and + * examples. + */ enum cpuhp_state { CPUHP_INVALID = -1, + + /* PREPARE section invoked on a control CPU */ CPUHP_OFFLINE = 0, CPUHP_CREATE_THREADS, CPUHP_PERF_PREPARE, @@ -38,6 +72,8 @@ enum cpuhp_state { CPUHP_SLUB_DEAD, CPUHP_DEBUG_OBJ_DEAD, CPUHP_MM_WRITEBACK_DEAD, + /* Must be after CPUHP_MM_VMSTAT_DEAD */ + CPUHP_MM_DEMOTION_DEAD, CPUHP_MM_VMSTAT_DEAD, CPUHP_SOFTIRQ_DEAD, CPUHP_NET_MVNETA_DEAD, @@ -46,15 +82,17 @@ enum cpuhp_state { CPUHP_ARM_OMAP_WAKE_DEAD, CPUHP_IRQ_POLL_DEAD, CPUHP_BLOCK_SOFTIRQ_DEAD, + CPUHP_BIO_DEAD, CPUHP_ACPI_CPUDRV_DEAD, CPUHP_S390_PFAULT_DEAD, CPUHP_BLK_MQ_DEAD, CPUHP_FS_BUFF_DEAD, CPUHP_PRINTK_DEAD, CPUHP_MM_MEMCQ_DEAD, + CPUHP_XFS_DEAD, CPUHP_PERCPU_CNT_DEAD, CPUHP_RADIX_DEAD, - CPUHP_PAGE_ALLOC_DEAD, + CPUHP_PAGE_ALLOC, CPUHP_NET_DEV_DEAD, CPUHP_PCI_XGENE_DEAD, CPUHP_IOMMU_IOVA_DEAD, @@ -93,6 +131,11 @@ enum cpuhp_state { CPUHP_BP_PREPARE_DYN, CPUHP_BP_PREPARE_DYN_END = CPUHP_BP_PREPARE_DYN + 20, CPUHP_BRINGUP_CPU, + + /* + * STARTING section invoked on the hotplugged CPU in low level + * bringup and teardown code. + */ CPUHP_AP_IDLE_DEAD, CPUHP_AP_OFFLINE, CPUHP_AP_SCHED_STARTING, @@ -153,6 +196,8 @@ enum cpuhp_state { CPUHP_AP_ARM_CACHE_B15_RAC_DYING, CPUHP_AP_ONLINE, CPUHP_TEARDOWN_CPU, + + /* Online section invoked on the hotplugged CPU from the hotplug thread */ CPUHP_AP_ONLINE_IDLE, CPUHP_AP_SCHED_WAIT_EMPTY, CPUHP_AP_SMPBOOT_THREADS, @@ -171,7 +216,6 @@ enum cpuhp_state { CPUHP_AP_PERF_X86_CSTATE_ONLINE, CPUHP_AP_PERF_X86_IDXD_ONLINE, CPUHP_AP_PERF_S390_CF_ONLINE, - CPUHP_AP_PERF_S390_CFD_ONLINE, CPUHP_AP_PERF_S390_SF_ONLINE, CPUHP_AP_PERF_ARM_CCI_ONLINE, CPUHP_AP_PERF_ARM_CCN_ONLINE, @@ -198,6 +242,8 @@ enum cpuhp_state { CPUHP_AP_BASE_CACHEINFO_ONLINE, CPUHP_AP_ONLINE_DYN, CPUHP_AP_ONLINE_DYN_END = CPUHP_AP_ONLINE_DYN + 30, + /* Must be after CPUHP_AP_ONLINE_DYN for node_states[N_CPU] update */ + CPUHP_AP_MM_DEMOTION_ONLINE, CPUHP_AP_X86_HPET_ONLINE, CPUHP_AP_X86_KVM_CLK_ONLINE, CPUHP_AP_DTPM_CPU_ONLINE, @@ -215,14 +261,15 @@ int __cpuhp_setup_state_cpuslocked(enum cpuhp_state state, const char *name, int (*teardown)(unsigned int cpu), bool multi_instance); /** - * cpuhp_setup_state - Setup hotplug state callbacks with calling the callbacks + * cpuhp_setup_state - Setup hotplug state callbacks with calling the @startup + * callback * @state: The state for which the calls are installed * @name: Name of the callback (will be used in debug output) - * @startup: startup callback function - * @teardown: teardown callback function + * @startup: startup callback function or NULL if not required + * @teardown: teardown callback function or NULL if not required * - * Installs the callback functions and invokes the startup callback on - * the present cpus which have already reached the @state. + * Installs the callback functions and invokes the @startup callback on + * the online cpus which have already reached the @state. */ static inline int cpuhp_setup_state(enum cpuhp_state state, const char *name, @@ -232,6 +279,18 @@ static inline int cpuhp_setup_state(enum cpuhp_state state, return __cpuhp_setup_state(state, name, true, startup, teardown, false); } +/** + * cpuhp_setup_state_cpuslocked - Setup hotplug state callbacks with calling + * @startup callback from a cpus_read_lock() + * held region + * @state: The state for which the calls are installed + * @name: Name of the callback (will be used in debug output) + * @startup: startup callback function or NULL if not required + * @teardown: teardown callback function or NULL if not required + * + * Same as cpuhp_setup_state() except that it must be invoked from within a + * cpus_read_lock() held region. + */ static inline int cpuhp_setup_state_cpuslocked(enum cpuhp_state state, const char *name, int (*startup)(unsigned int cpu), @@ -243,14 +302,14 @@ static inline int cpuhp_setup_state_cpuslocked(enum cpuhp_state state, /** * cpuhp_setup_state_nocalls - Setup hotplug state callbacks without calling the - * callbacks + * @startup callback * @state: The state for which the calls are installed * @name: Name of the callback. - * @startup: startup callback function - * @teardown: teardown callback function + * @startup: startup callback function or NULL if not required + * @teardown: teardown callback function or NULL if not required * - * Same as @cpuhp_setup_state except that no calls are executed are invoked - * during installation of this callback. NOP if SMP=n or HOTPLUG_CPU=n. + * Same as cpuhp_setup_state() except that the @startup callback is not + * invoked during installation. NOP if SMP=n or HOTPLUG_CPU=n. */ static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state, const char *name, @@ -261,6 +320,19 @@ static inline int cpuhp_setup_state_nocalls(enum cpuhp_state state, false); } +/** + * cpuhp_setup_state_nocalls_cpuslocked - Setup hotplug state callbacks without + * invoking the @startup callback from + * a cpus_read_lock() held region + * callbacks + * @state: The state for which the calls are installed + * @name: Name of the callback. + * @startup: startup callback function or NULL if not required + * @teardown: teardown callback function or NULL if not required + * + * Same as cpuhp_setup_state_nocalls() except that it must be invoked from + * within a cpus_read_lock() held region. + */ static inline int cpuhp_setup_state_nocalls_cpuslocked(enum cpuhp_state state, const char *name, int (*startup)(unsigned int cpu), @@ -274,13 +346,13 @@ static inline int cpuhp_setup_state_nocalls_cpuslocked(enum cpuhp_state state, * cpuhp_setup_state_multi - Add callbacks for multi state * @state: The state for which the calls are installed * @name: Name of the callback. - * @startup: startup callback function - * @teardown: teardown callback function + * @startup: startup callback function or NULL if not required + * @teardown: teardown callback function or NULL if not required * * Sets the internal multi_instance flag and prepares a state to work as a multi * instance callback. No callbacks are invoked at this point. The callbacks are * invoked once an instance for this state are registered via - * @cpuhp_state_add_instance or @cpuhp_state_add_instance_nocalls. + * cpuhp_state_add_instance() or cpuhp_state_add_instance_nocalls() */ static inline int cpuhp_setup_state_multi(enum cpuhp_state state, const char *name, @@ -305,9 +377,10 @@ int __cpuhp_state_add_instance_cpuslocked(enum cpuhp_state state, * @state: The state for which the instance is installed * @node: The node for this individual state. * - * Installs the instance for the @state and invokes the startup callback on - * the present cpus which have already reached the @state. The @state must have - * been earlier marked as multi-instance by @cpuhp_setup_state_multi. + * Installs the instance for the @state and invokes the registered startup + * callback on the online cpus which have already reached the @state. The + * @state must have been earlier marked as multi-instance by + * cpuhp_setup_state_multi(). */ static inline int cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node) @@ -321,8 +394,9 @@ static inline int cpuhp_state_add_instance(enum cpuhp_state state, * @state: The state for which the instance is installed * @node: The node for this individual state. * - * Installs the instance for the @state The @state must have been earlier - * marked as multi-instance by @cpuhp_setup_state_multi. + * Installs the instance for the @state. The @state must have been earlier + * marked as multi-instance by cpuhp_setup_state_multi. NOP if SMP=n or + * HOTPLUG_CPU=n. */ static inline int cpuhp_state_add_instance_nocalls(enum cpuhp_state state, struct hlist_node *node) @@ -330,6 +404,17 @@ static inline int cpuhp_state_add_instance_nocalls(enum cpuhp_state state, return __cpuhp_state_add_instance(state, node, false); } +/** + * cpuhp_state_add_instance_nocalls_cpuslocked - Add an instance for a state + * without invoking the startup + * callback from a cpus_read_lock() + * held region. + * @state: The state for which the instance is installed + * @node: The node for this individual state. + * + * Same as cpuhp_state_add_instance_nocalls() except that it must be + * invoked from within a cpus_read_lock() held region. + */ static inline int cpuhp_state_add_instance_nocalls_cpuslocked(enum cpuhp_state state, struct hlist_node *node) @@ -345,7 +430,7 @@ void __cpuhp_remove_state_cpuslocked(enum cpuhp_state state, bool invoke); * @state: The state for which the calls are removed * * Removes the callback functions and invokes the teardown callback on - * the present cpus which have already reached the @state. + * the online cpus which have already reached the @state. */ static inline void cpuhp_remove_state(enum cpuhp_state state) { @@ -354,7 +439,7 @@ static inline void cpuhp_remove_state(enum cpuhp_state state) /** * cpuhp_remove_state_nocalls - Remove hotplug state callbacks without invoking - * teardown + * the teardown callback * @state: The state for which the calls are removed */ static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state) @@ -362,6 +447,14 @@ static inline void cpuhp_remove_state_nocalls(enum cpuhp_state state) __cpuhp_remove_state(state, false); } +/** + * cpuhp_remove_state_nocalls_cpuslocked - Remove hotplug state callbacks without invoking + * teardown from a cpus_read_lock() held region. + * @state: The state for which the calls are removed + * + * Same as cpuhp_remove_state nocalls() except that it must be invoked + * from within a cpus_read_lock() held region. + */ static inline void cpuhp_remove_state_nocalls_cpuslocked(enum cpuhp_state state) { __cpuhp_remove_state_cpuslocked(state, false); @@ -389,8 +482,8 @@ int __cpuhp_state_remove_instance(enum cpuhp_state state, * @state: The state from which the instance is removed * @node: The node for this individual state. * - * Removes the instance and invokes the teardown callback on the present cpus - * which have already reached the @state. + * Removes the instance and invokes the teardown callback on the online cpus + * which have already reached @state. */ static inline int cpuhp_state_remove_instance(enum cpuhp_state state, struct hlist_node *node) @@ -400,7 +493,7 @@ static inline int cpuhp_state_remove_instance(enum cpuhp_state state, /** * cpuhp_state_remove_instance_nocalls - Remove hotplug instance from state - * without invoking the reatdown callback + * without invoking the teardown callback * @state: The state from which the instance is removed * @node: The node for this individual state. * diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h index bfc4690de4f4..1e7399fc69c0 100644 --- a/include/linux/cpumask.h +++ b/include/linux/cpumask.h @@ -259,7 +259,7 @@ extern int cpumask_next_wrap(int n, const struct cpumask *mask, int start, bool /** * for_each_cpu_wrap - iterate over every cpu in a mask, starting at a specified location * @cpu: the (optionally unsigned) integer iterator - * @mask: the cpumask poiter + * @mask: the cpumask pointer * @start: the start location * * The implementation does not assume any bit in @mask is set (including @start). @@ -983,6 +983,45 @@ cpumap_print_to_pagebuf(bool list, char *buf, const struct cpumask *mask) nr_cpu_ids); } +/** + * cpumap_print_bitmask_to_buf - copies the cpumask into the buffer as + * hex values of cpumask + * + * @buf: the buffer to copy into + * @mask: the cpumask to copy + * @off: in the string from which we are copying, we copy to @buf + * @count: the maximum number of bytes to print + * + * The function prints the cpumask into the buffer as hex values of + * cpumask; Typically used by bin_attribute to export cpumask bitmask + * ABI. + * + * Returns the length of how many bytes have been copied, excluding + * terminating '\0'. + */ +static inline ssize_t +cpumap_print_bitmask_to_buf(char *buf, const struct cpumask *mask, + loff_t off, size_t count) +{ + return bitmap_print_bitmask_to_buf(buf, cpumask_bits(mask), + nr_cpu_ids, off, count) - 1; +} + +/** + * cpumap_print_list_to_buf - copies the cpumask into the buffer as + * comma-separated list of cpus + * + * Everything is same with the above cpumap_print_bitmask_to_buf() + * except the print format. + */ +static inline ssize_t +cpumap_print_list_to_buf(char *buf, const struct cpumask *mask, + loff_t off, size_t count) +{ + return bitmap_print_list_to_buf(buf, cpumask_bits(mask), + nr_cpu_ids, off, count) - 1; +} + #if NR_CPUS <= BITS_PER_LONG #define CPU_MASK_ALL \ (cpumask_t) { { \ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 04c20de66afc..d2b9c41c8edf 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -15,6 +15,7 @@ #include <linux/cpumask.h> #include <linux/nodemask.h> #include <linux/mm.h> +#include <linux/mmu_context.h> #include <linux/jump_label.h> #ifdef CONFIG_CPUSETS @@ -58,7 +59,7 @@ extern void cpuset_wait_for_hotplug(void); extern void cpuset_read_lock(void); extern void cpuset_read_unlock(void); extern void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask); -extern void cpuset_cpus_allowed_fallback(struct task_struct *p); +extern bool cpuset_cpus_allowed_fallback(struct task_struct *p); extern nodemask_t cpuset_mems_allowed(struct task_struct *p); #define cpuset_current_mems_allowed (current->mems_allowed) void cpuset_init_current_mems_allowed(void); @@ -184,11 +185,12 @@ static inline void cpuset_read_unlock(void) { } static inline void cpuset_cpus_allowed(struct task_struct *p, struct cpumask *mask) { - cpumask_copy(mask, cpu_possible_mask); + cpumask_copy(mask, task_cpu_possible_mask(p)); } -static inline void cpuset_cpus_allowed_fallback(struct task_struct *p) +static inline bool cpuset_cpus_allowed_fallback(struct task_struct *p) { + return false; } static inline nodemask_t cpuset_mems_allowed(struct task_struct *p) diff --git a/include/linux/crash_core.h b/include/linux/crash_core.h index 206bde8308b2..de62a722431e 100644 --- a/include/linux/crash_core.h +++ b/include/linux/crash_core.h @@ -38,8 +38,12 @@ phys_addr_t paddr_vmcoreinfo_note(void); #define VMCOREINFO_OSRELEASE(value) \ vmcoreinfo_append_str("OSRELEASE=%s\n", value) -#define VMCOREINFO_BUILD_ID(value) \ - vmcoreinfo_append_str("BUILD-ID=%s\n", value) +#define VMCOREINFO_BUILD_ID() \ + ({ \ + static_assert(sizeof(vmlinux_build_id) == 20); \ + vmcoreinfo_append_str("BUILD-ID=%20phN\n", vmlinux_build_id); \ + }) + #define VMCOREINFO_PAGESIZE(value) \ vmcoreinfo_append_str("PAGESIZE=%ld\n", value) #define VMCOREINFO_SYMBOL(name) \ @@ -69,10 +73,6 @@ extern unsigned char *vmcoreinfo_data; extern size_t vmcoreinfo_size; extern u32 *vmcoreinfo_note; -/* raw contents of kernel .notes section */ -extern const void __start_notes __weak; -extern const void __stop_notes __weak; - Elf_Word *append_elf_note(Elf_Word *buf, char *name, unsigned int type, void *data, size_t data_len); void final_note(Elf_Word *buf); diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h index a5192b718dbe..2618577a4d6d 100644 --- a/include/linux/crash_dump.h +++ b/include/linux/crash_dump.h @@ -10,13 +10,14 @@ #include <linux/pgtable.h> /* for pgprot_t */ -#ifdef CONFIG_CRASH_DUMP +/* For IS_ENABLED(CONFIG_CRASH_DUMP) */ #define ELFCORE_ADDR_MAX (-1ULL) #define ELFCORE_ADDR_ERR (-2ULL) extern unsigned long long elfcorehdr_addr; extern unsigned long long elfcorehdr_size; +#ifdef CONFIG_CRASH_DUMP extern int elfcorehdr_alloc(unsigned long long *addr, unsigned long long *size); extern void elfcorehdr_free(unsigned long long addr); extern ssize_t elfcorehdr_read(char *buf, size_t count, u64 *ppos); diff --git a/include/linux/cred.h b/include/linux/cred.h index 14971322e1a0..fcbc6885cc09 100644 --- a/include/linux/cred.h +++ b/include/linux/cred.h @@ -143,6 +143,7 @@ struct cred { #endif struct user_struct *user; /* real user ID subscription */ struct user_namespace *user_ns; /* user_ns the caps and keyrings are relative to. */ + struct ucounts *ucounts; struct group_info *group_info; /* supplementary groups for euid/fsgid */ /* RCU deletion */ union { @@ -169,6 +170,7 @@ extern int set_security_override_from_ctx(struct cred *, const char *); extern int set_create_files_as(struct cred *, struct inode *); extern int cred_fscmp(const struct cred *, const struct cred *); extern void __init cred_init(void); +extern int set_cred_ucounts(struct cred *); /* * check for validity of credentials @@ -369,6 +371,7 @@ static inline void put_cred(const struct cred *_cred) #define task_uid(task) (task_cred_xxx((task), uid)) #define task_euid(task) (task_cred_xxx((task), euid)) +#define task_ucounts(task) (task_cred_xxx((task), ucounts)) #define current_cred_xxx(xxx) \ ({ \ @@ -385,6 +388,7 @@ static inline void put_cred(const struct cred *_cred) #define current_fsgid() (current_cred_xxx(fsgid)) #define current_cap() (current_cred_xxx(cap_effective)) #define current_user() (current_cred_xxx(user)) +#define current_ucounts() (current_cred_xxx(ucounts)) extern struct user_namespace init_user_ns; #ifdef CONFIG_USER_NS diff --git a/include/linux/crypto.h b/include/linux/crypto.h index da5e0d74bb2f..855869e1fd32 100644 --- a/include/linux/crypto.h +++ b/include/linux/crypto.h @@ -643,32 +643,6 @@ struct crypto_comp { struct crypto_tfm base; }; -enum { - CRYPTOA_UNSPEC, - CRYPTOA_ALG, - CRYPTOA_TYPE, - CRYPTOA_U32, - __CRYPTOA_MAX, -}; - -#define CRYPTOA_MAX (__CRYPTOA_MAX - 1) - -/* Maximum number of (rtattr) parameters for each template. */ -#define CRYPTO_MAX_ATTRS 32 - -struct crypto_attr_alg { - char name[CRYPTO_MAX_ALG_NAME]; -}; - -struct crypto_attr_type { - u32 type; - u32 mask; -}; - -struct crypto_attr_u32 { - u32 num; -}; - /* * Transform user interface. */ diff --git a/include/linux/damon.h b/include/linux/damon.h new file mode 100644 index 000000000000..d68b67b8d458 --- /dev/null +++ b/include/linux/damon.h @@ -0,0 +1,268 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * DAMON api + * + * Author: SeongJae Park <sjpark@amazon.de> + */ + +#ifndef _DAMON_H_ +#define _DAMON_H_ + +#include <linux/mutex.h> +#include <linux/time64.h> +#include <linux/types.h> + +/* Minimal region size. Every damon_region is aligned by this. */ +#define DAMON_MIN_REGION PAGE_SIZE + +/** + * struct damon_addr_range - Represents an address region of [@start, @end). + * @start: Start address of the region (inclusive). + * @end: End address of the region (exclusive). + */ +struct damon_addr_range { + unsigned long start; + unsigned long end; +}; + +/** + * struct damon_region - Represents a monitoring target region. + * @ar: The address range of the region. + * @sampling_addr: Address of the sample for the next access check. + * @nr_accesses: Access frequency of this region. + * @list: List head for siblings. + */ +struct damon_region { + struct damon_addr_range ar; + unsigned long sampling_addr; + unsigned int nr_accesses; + struct list_head list; +}; + +/** + * struct damon_target - Represents a monitoring target. + * @id: Unique identifier for this target. + * @nr_regions: Number of monitoring target regions of this target. + * @regions_list: Head of the monitoring target regions of this target. + * @list: List head for siblings. + * + * Each monitoring context could have multiple targets. For example, a context + * for virtual memory address spaces could have multiple target processes. The + * @id of each target should be unique among the targets of the context. For + * example, in the virtual address monitoring context, it could be a pidfd or + * an address of an mm_struct. + */ +struct damon_target { + unsigned long id; + unsigned int nr_regions; + struct list_head regions_list; + struct list_head list; +}; + +struct damon_ctx; + +/** + * struct damon_primitive Monitoring primitives for given use cases. + * + * @init: Initialize primitive-internal data structures. + * @update: Update primitive-internal data structures. + * @prepare_access_checks: Prepare next access check of target regions. + * @check_accesses: Check the accesses to target regions. + * @reset_aggregated: Reset aggregated accesses monitoring results. + * @target_valid: Determine if the target is valid. + * @cleanup: Clean up the context. + * + * DAMON can be extended for various address spaces and usages. For this, + * users should register the low level primitives for their target address + * space and usecase via the &damon_ctx.primitive. Then, the monitoring thread + * (&damon_ctx.kdamond) calls @init and @prepare_access_checks before starting + * the monitoring, @update after each &damon_ctx.primitive_update_interval, and + * @check_accesses, @target_valid and @prepare_access_checks after each + * &damon_ctx.sample_interval. Finally, @reset_aggregated is called after each + * &damon_ctx.aggr_interval. + * + * @init should initialize primitive-internal data structures. For example, + * this could be used to construct proper monitoring target regions and link + * those to @damon_ctx.adaptive_targets. + * @update should update the primitive-internal data structures. For example, + * this could be used to update monitoring target regions for current status. + * @prepare_access_checks should manipulate the monitoring regions to be + * prepared for the next access check. + * @check_accesses should check the accesses to each region that made after the + * last preparation and update the number of observed accesses of each region. + * It should also return max number of observed accesses that made as a result + * of its update. The value will be used for regions adjustment threshold. + * @reset_aggregated should reset the access monitoring results that aggregated + * by @check_accesses. + * @target_valid should check whether the target is still valid for the + * monitoring. + * @cleanup is called from @kdamond just before its termination. + */ +struct damon_primitive { + void (*init)(struct damon_ctx *context); + void (*update)(struct damon_ctx *context); + void (*prepare_access_checks)(struct damon_ctx *context); + unsigned int (*check_accesses)(struct damon_ctx *context); + void (*reset_aggregated)(struct damon_ctx *context); + bool (*target_valid)(void *target); + void (*cleanup)(struct damon_ctx *context); +}; + +/* + * struct damon_callback Monitoring events notification callbacks. + * + * @before_start: Called before starting the monitoring. + * @after_sampling: Called after each sampling. + * @after_aggregation: Called after each aggregation. + * @before_terminate: Called before terminating the monitoring. + * @private: User private data. + * + * The monitoring thread (&damon_ctx.kdamond) calls @before_start and + * @before_terminate just before starting and finishing the monitoring, + * respectively. Therefore, those are good places for installing and cleaning + * @private. + * + * The monitoring thread calls @after_sampling and @after_aggregation for each + * of the sampling intervals and aggregation intervals, respectively. + * Therefore, users can safely access the monitoring results without additional + * protection. For the reason, users are recommended to use these callback for + * the accesses to the results. + * + * If any callback returns non-zero, monitoring stops. + */ +struct damon_callback { + void *private; + + int (*before_start)(struct damon_ctx *context); + int (*after_sampling)(struct damon_ctx *context); + int (*after_aggregation)(struct damon_ctx *context); + int (*before_terminate)(struct damon_ctx *context); +}; + +/** + * struct damon_ctx - Represents a context for each monitoring. This is the + * main interface that allows users to set the attributes and get the results + * of the monitoring. + * + * @sample_interval: The time between access samplings. + * @aggr_interval: The time between monitor results aggregations. + * @primitive_update_interval: The time between monitoring primitive updates. + * + * For each @sample_interval, DAMON checks whether each region is accessed or + * not. It aggregates and keeps the access information (number of accesses to + * each region) for @aggr_interval time. DAMON also checks whether the target + * memory regions need update (e.g., by ``mmap()`` calls from the application, + * in case of virtual memory monitoring) and applies the changes for each + * @primitive_update_interval. All time intervals are in micro-seconds. + * Please refer to &struct damon_primitive and &struct damon_callback for more + * detail. + * + * @kdamond: Kernel thread who does the monitoring. + * @kdamond_stop: Notifies whether kdamond should stop. + * @kdamond_lock: Mutex for the synchronizations with @kdamond. + * + * For each monitoring context, one kernel thread for the monitoring is + * created. The pointer to the thread is stored in @kdamond. + * + * Once started, the monitoring thread runs until explicitly required to be + * terminated or every monitoring target is invalid. The validity of the + * targets is checked via the &damon_primitive.target_valid of @primitive. The + * termination can also be explicitly requested by writing non-zero to + * @kdamond_stop. The thread sets @kdamond to NULL when it terminates. + * Therefore, users can know whether the monitoring is ongoing or terminated by + * reading @kdamond. Reads and writes to @kdamond and @kdamond_stop from + * outside of the monitoring thread must be protected by @kdamond_lock. + * + * Note that the monitoring thread protects only @kdamond and @kdamond_stop via + * @kdamond_lock. Accesses to other fields must be protected by themselves. + * + * @primitive: Set of monitoring primitives for given use cases. + * @callback: Set of callbacks for monitoring events notifications. + * + * @min_nr_regions: The minimum number of adaptive monitoring regions. + * @max_nr_regions: The maximum number of adaptive monitoring regions. + * @adaptive_targets: Head of monitoring targets (&damon_target) list. + */ +struct damon_ctx { + unsigned long sample_interval; + unsigned long aggr_interval; + unsigned long primitive_update_interval; + +/* private: internal use only */ + struct timespec64 last_aggregation; + struct timespec64 last_primitive_update; + +/* public: */ + struct task_struct *kdamond; + bool kdamond_stop; + struct mutex kdamond_lock; + + struct damon_primitive primitive; + struct damon_callback callback; + + unsigned long min_nr_regions; + unsigned long max_nr_regions; + struct list_head adaptive_targets; +}; + +#define damon_next_region(r) \ + (container_of(r->list.next, struct damon_region, list)) + +#define damon_prev_region(r) \ + (container_of(r->list.prev, struct damon_region, list)) + +#define damon_for_each_region(r, t) \ + list_for_each_entry(r, &t->regions_list, list) + +#define damon_for_each_region_safe(r, next, t) \ + list_for_each_entry_safe(r, next, &t->regions_list, list) + +#define damon_for_each_target(t, ctx) \ + list_for_each_entry(t, &(ctx)->adaptive_targets, list) + +#define damon_for_each_target_safe(t, next, ctx) \ + list_for_each_entry_safe(t, next, &(ctx)->adaptive_targets, list) + +#ifdef CONFIG_DAMON + +struct damon_region *damon_new_region(unsigned long start, unsigned long end); +inline void damon_insert_region(struct damon_region *r, + struct damon_region *prev, struct damon_region *next, + struct damon_target *t); +void damon_add_region(struct damon_region *r, struct damon_target *t); +void damon_destroy_region(struct damon_region *r, struct damon_target *t); + +struct damon_target *damon_new_target(unsigned long id); +void damon_add_target(struct damon_ctx *ctx, struct damon_target *t); +void damon_free_target(struct damon_target *t); +void damon_destroy_target(struct damon_target *t); +unsigned int damon_nr_regions(struct damon_target *t); + +struct damon_ctx *damon_new_ctx(void); +void damon_destroy_ctx(struct damon_ctx *ctx); +int damon_set_targets(struct damon_ctx *ctx, + unsigned long *ids, ssize_t nr_ids); +int damon_set_attrs(struct damon_ctx *ctx, unsigned long sample_int, + unsigned long aggr_int, unsigned long primitive_upd_int, + unsigned long min_nr_reg, unsigned long max_nr_reg); +int damon_nr_running_ctxs(void); + +int damon_start(struct damon_ctx **ctxs, int nr_ctxs); +int damon_stop(struct damon_ctx **ctxs, int nr_ctxs); + +#endif /* CONFIG_DAMON */ + +#ifdef CONFIG_DAMON_VADDR + +/* Monitoring primitives for virtual memory address spaces */ +void damon_va_init(struct damon_ctx *ctx); +void damon_va_update(struct damon_ctx *ctx); +void damon_va_prepare_access_checks(struct damon_ctx *ctx); +unsigned int damon_va_check_accesses(struct damon_ctx *ctx); +bool damon_va_target_valid(void *t); +void damon_va_cleanup(struct damon_ctx *ctx); +void damon_va_set_primitives(struct damon_ctx *ctx); + +#endif /* CONFIG_DAMON_VADDR */ + +#endif /* _DAMON_H */ diff --git a/include/linux/dax.h b/include/linux/dax.h index b52f084aa643..2619d94c308d 100644 --- a/include/linux/dax.h +++ b/include/linux/dax.h @@ -41,7 +41,6 @@ struct dax_operations { extern struct attribute_group dax_attribute_group; #if IS_ENABLED(CONFIG_DAX) -struct dax_device *dax_get_by_host(const char *host); struct dax_device *alloc_dax(void *private, const char *host, const struct dax_operations *ops, unsigned long flags); void put_dax(struct dax_device *dax_dev); @@ -58,8 +57,6 @@ static inline void set_dax_synchronous(struct dax_device *dax_dev) { __set_dax_synchronous(dax_dev); } -bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, - int blocksize, sector_t start, sector_t len); /* * Check if given mapping is supported by the file / underlying device. */ @@ -73,10 +70,6 @@ static inline bool daxdev_mapping_supported(struct vm_area_struct *vma, return dax_synchronous(dax_dev); } #else -static inline struct dax_device *dax_get_by_host(const char *host) -{ - return NULL; -} static inline struct dax_device *alloc_dax(void *private, const char *host, const struct dax_operations *ops, unsigned long flags) { @@ -106,12 +99,6 @@ static inline bool dax_synchronous(struct dax_device *dax_dev) static inline void set_dax_synchronous(struct dax_device *dax_dev) { } -static inline bool dax_supported(struct dax_device *dax_dev, - struct block_device *bdev, int blocksize, sector_t start, - sector_t len) -{ - return false; -} static inline bool daxdev_mapping_supported(struct vm_area_struct *vma, struct dax_device *dax_dev) { @@ -122,22 +109,12 @@ static inline bool daxdev_mapping_supported(struct vm_area_struct *vma, struct writeback_control; int bdev_dax_pgoff(struct block_device *, sector_t, size_t, pgoff_t *pgoff); #if IS_ENABLED(CONFIG_FS_DAX) -bool __bdev_dax_supported(struct block_device *bdev, int blocksize); -static inline bool bdev_dax_supported(struct block_device *bdev, int blocksize) -{ - return __bdev_dax_supported(bdev, blocksize); -} - -bool __generic_fsdax_supported(struct dax_device *dax_dev, +bool generic_fsdax_supported(struct dax_device *dax_dev, struct block_device *bdev, int blocksize, sector_t start, sector_t sectors); -static inline bool generic_fsdax_supported(struct dax_device *dax_dev, - struct block_device *bdev, int blocksize, sector_t start, - sector_t sectors) -{ - return __generic_fsdax_supported(dax_dev, bdev, blocksize, start, - sectors); -} + +bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, + int blocksize, sector_t start, sector_t len); static inline void fs_put_dax(struct dax_device *dax_dev) { @@ -153,15 +130,11 @@ struct page *dax_layout_busy_page_range(struct address_space *mapping, loff_t st dax_entry_t dax_lock_page(struct page *page); void dax_unlock_page(struct page *page, dax_entry_t cookie); #else -static inline bool bdev_dax_supported(struct block_device *bdev, - int blocksize) -{ - return false; -} +#define generic_fsdax_supported NULL -static inline bool generic_fsdax_supported(struct dax_device *dax_dev, +static inline bool dax_supported(struct dax_device *dax_dev, struct block_device *bdev, int blocksize, sector_t start, - sector_t sectors) + sector_t len) { return false; } diff --git a/include/linux/debug_locks.h b/include/linux/debug_locks.h index edb5c186b0b7..3f49e65169c6 100644 --- a/include/linux/debug_locks.h +++ b/include/linux/debug_locks.h @@ -3,8 +3,7 @@ #define __LINUX_DEBUG_LOCKING_H #include <linux/atomic.h> -#include <linux/bug.h> -#include <linux/printk.h> +#include <linux/cache.h> struct task_struct; diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index 1fdb4343af9c..c869f1e73d75 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -112,8 +112,8 @@ void debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent, u32 *value); void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value); -struct dentry *debugfs_create_ulong(const char *name, umode_t mode, - struct dentry *parent, unsigned long *value); +void debugfs_create_ulong(const char *name, umode_t mode, struct dentry *parent, + unsigned long *value); void debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value); void debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, @@ -126,8 +126,8 @@ void debugfs_create_size_t(const char *name, umode_t mode, struct dentry *parent, size_t *value); void debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, atomic_t *value); -struct dentry *debugfs_create_bool(const char *name, umode_t mode, - struct dentry *parent, bool *value); +void debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, + bool *value); void debugfs_create_str(const char *name, umode_t mode, struct dentry *parent, char **value); @@ -266,13 +266,9 @@ static inline void debugfs_create_u32(const char *name, umode_t mode, static inline void debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value) { } -static inline struct dentry *debugfs_create_ulong(const char *name, - umode_t mode, - struct dentry *parent, - unsigned long *value) -{ - return ERR_PTR(-ENODEV); -} +static inline void debugfs_create_ulong(const char *name, umode_t mode, + struct dentry *parent, + unsigned long *value) { } static inline void debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value) { } @@ -295,12 +291,8 @@ static inline void debugfs_create_atomic_t(const char *name, umode_t mode, atomic_t *value) { } -static inline struct dentry *debugfs_create_bool(const char *name, umode_t mode, - struct dentry *parent, - bool *value) -{ - return ERR_PTR(-ENODEV); -} +static inline void debugfs_create_bool(const char *name, umode_t mode, + struct dentry *parent, bool *value) { } static inline void debugfs_create_str(const char *name, umode_t mode, struct dentry *parent, diff --git a/include/linux/debugobjects.h b/include/linux/debugobjects.h index 8d2dde23e9fb..32444686b6ff 100644 --- a/include/linux/debugobjects.h +++ b/include/linux/debugobjects.h @@ -18,7 +18,7 @@ enum debug_obj_state { struct debug_obj_descr; /** - * struct debug_obj - representaion of an tracked object + * struct debug_obj - representation of an tracked object * @node: hlist node to link the object into the tracker list * @state: tracked object state * @astate: current active state diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h index 21651f946751..af7e6eb50283 100644 --- a/include/linux/delayacct.h +++ b/include/linux/delayacct.h @@ -58,16 +58,22 @@ struct task_delay_info { #include <linux/sched.h> #include <linux/slab.h> +#include <linux/jump_label.h> #ifdef CONFIG_TASK_DELAY_ACCT +DECLARE_STATIC_KEY_FALSE(delayacct_key); extern int delayacct_on; /* Delay accounting turned on/off */ extern struct kmem_cache *delayacct_cache; extern void delayacct_init(void); + +extern int sysctl_delayacct(struct ctl_table *table, int write, void *buffer, + size_t *lenp, loff_t *ppos); + extern void __delayacct_tsk_init(struct task_struct *); extern void __delayacct_tsk_exit(struct task_struct *); extern void __delayacct_blkio_start(void); extern void __delayacct_blkio_end(struct task_struct *); -extern int __delayacct_add_tsk(struct taskstats *, struct task_struct *); +extern int delayacct_add_tsk(struct taskstats *, struct task_struct *); extern __u64 __delayacct_blkio_ticks(struct task_struct *); extern void __delayacct_freepages_start(void); extern void __delayacct_freepages_end(void); @@ -114,6 +120,9 @@ static inline void delayacct_tsk_free(struct task_struct *tsk) static inline void delayacct_blkio_start(void) { + if (!static_branch_unlikely(&delayacct_key)) + return; + delayacct_set_flag(current, DELAYACCT_PF_BLKIO); if (current->delays) __delayacct_blkio_start(); @@ -121,19 +130,14 @@ static inline void delayacct_blkio_start(void) static inline void delayacct_blkio_end(struct task_struct *p) { + if (!static_branch_unlikely(&delayacct_key)) + return; + if (p->delays) __delayacct_blkio_end(p); delayacct_clear_flag(p, DELAYACCT_PF_BLKIO); } -static inline int delayacct_add_tsk(struct taskstats *d, - struct task_struct *tsk) -{ - if (!delayacct_on || !tsk->delays) - return 0; - return __delayacct_add_tsk(d, tsk); -} - static inline __u64 delayacct_blkio_ticks(struct task_struct *tsk) { if (tsk->delays) diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h index 6f009559ee54..8904063d4c9f 100644 --- a/include/linux/dev_printk.h +++ b/include/linux/dev_printk.h @@ -38,8 +38,8 @@ __printf(3, 4) __cold int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...); __printf(3, 4) __cold -void dev_printk(const char *level, const struct device *dev, - const char *fmt, ...); +void _dev_printk(const char *level, const struct device *dev, + const char *fmt, ...); __printf(2, 3) __cold void _dev_emerg(const struct device *dev, const char *fmt, ...); __printf(2, 3) __cold @@ -69,7 +69,7 @@ static inline void __dev_printk(const char *level, const struct device *dev, struct va_format *vaf) {} static inline __printf(3, 4) -void dev_printk(const char *level, const struct device *dev, +void _dev_printk(const char *level, const struct device *dev, const char *fmt, ...) {} @@ -98,24 +98,56 @@ void _dev_info(const struct device *dev, const char *fmt, ...) #endif /* + * Need to take variadic arguments even though we don't use them, as dev_fmt() + * may only just have been expanded and may result in multiple arguments. + */ +#define dev_printk_index_emit(level, fmt, ...) \ + printk_index_subsys_emit("%s %s: ", level, fmt) + +#define dev_printk_index_wrap(_p_func, level, dev, fmt, ...) \ + ({ \ + dev_printk_index_emit(level, fmt); \ + _p_func(dev, fmt, ##__VA_ARGS__); \ + }) + +/* + * Some callsites directly call dev_printk rather than going through the + * dev_<level> infrastructure, so we need to emit here as well as inside those + * level-specific macros. Only one index entry will be produced, either way, + * since dev_printk's `fmt` isn't known at compile time if going through the + * dev_<level> macros. + * + * dev_fmt() isn't called for dev_printk when used directly, as it's used by + * the dev_<level> macros internally which already have dev_fmt() processed. + * + * We also can't use dev_printk_index_wrap directly, because we have a separate + * level to process. + */ +#define dev_printk(level, dev, fmt, ...) \ + ({ \ + dev_printk_index_emit(level, fmt); \ + _dev_printk(level, dev, fmt, ##__VA_ARGS__); \ + }) + +/* * #defines for all the dev_<level> macros to prefix with whatever * possible use of #define dev_fmt(fmt) ... */ -#define dev_emerg(dev, fmt, ...) \ - _dev_emerg(dev, dev_fmt(fmt), ##__VA_ARGS__) -#define dev_crit(dev, fmt, ...) \ - _dev_crit(dev, dev_fmt(fmt), ##__VA_ARGS__) -#define dev_alert(dev, fmt, ...) \ - _dev_alert(dev, dev_fmt(fmt), ##__VA_ARGS__) -#define dev_err(dev, fmt, ...) \ - _dev_err(dev, dev_fmt(fmt), ##__VA_ARGS__) -#define dev_warn(dev, fmt, ...) \ - _dev_warn(dev, dev_fmt(fmt), ##__VA_ARGS__) -#define dev_notice(dev, fmt, ...) \ - _dev_notice(dev, dev_fmt(fmt), ##__VA_ARGS__) -#define dev_info(dev, fmt, ...) \ - _dev_info(dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_emerg(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_emerg, KERN_EMERG, dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_crit(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_crit, KERN_CRIT, dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_alert(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_alert, KERN_ALERT, dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_err(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_warn(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_warn, KERN_WARNING, dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_notice(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_notice, KERN_NOTICE, dev, dev_fmt(fmt), ##__VA_ARGS__) +#define dev_info(dev, fmt, ...) \ + dev_printk_index_wrap(_dev_info, KERN_INFO, dev, dev_fmt(fmt), ##__VA_ARGS__) #if defined(CONFIG_DYNAMIC_DEBUG) || \ (defined(CONFIG_DYNAMIC_DEBUG_CORE) && defined(DYNAMIC_DEBUG_MODULE)) @@ -236,7 +268,7 @@ do { \ * using WARN/WARN_ONCE to include file/line information and a backtrace. */ #define dev_WARN(dev, format, arg...) \ - WARN(1, "%s %s: " format, dev_driver_string(dev), dev_name(dev), ## arg); + WARN(1, "%s %s: " format, dev_driver_string(dev), dev_name(dev), ## arg) #define dev_WARN_ONCE(dev, condition, format, arg...) \ WARN_ONCE(condition, "%s %s: " format, \ diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index ff700fb6ce1d..114553b487ef 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -31,7 +31,7 @@ enum dm_queue_mode { DM_TYPE_DAX_BIO_BASED = 3, }; -typedef enum { STATUSTYPE_INFO, STATUSTYPE_TABLE } status_type_t; +typedef enum { STATUSTYPE_INFO, STATUSTYPE_TABLE, STATUSTYPE_IMA } status_type_t; union map_info { void *ptr; @@ -151,7 +151,6 @@ typedef size_t (*dm_dax_copy_iter_fn)(struct dm_target *ti, pgoff_t pgoff, void *addr, size_t bytes, struct iov_iter *i); typedef int (*dm_dax_zero_page_range_fn)(struct dm_target *ti, pgoff_t pgoff, size_t nr_pages); -#define PAGE_SECTORS (PAGE_SIZE / 512) void dm_error(const char *message); @@ -361,6 +360,12 @@ struct dm_target { * Set if we need to limit the number of in-flight bios when swapping. */ bool limit_swap_bios:1; + + /* + * Set if this target implements a a zoned device and needs emulation of + * zone append operations using regular writes. + */ + bool emulate_zone_append:1; }; void *dm_per_bio_data(struct bio *bio, size_t data_size); @@ -478,7 +483,8 @@ struct dm_report_zones_args { /* must be filled by ->report_zones before calling dm_report_zones_cb */ sector_t start; }; -int dm_report_zones_cb(struct blk_zone *zone, unsigned int idx, void *data); +int dm_report_zones(struct block_device *bdev, sector_t start, sector_t sector, + struct dm_report_zones_args *args, unsigned int nr_zones); #endif /* CONFIG_BLK_DEV_ZONED */ /* @@ -596,6 +602,10 @@ void dm_destroy_keyslot_manager(struct blk_keyslot_manager *ksm); #define DMEMIT(x...) sz += ((sz >= maxlen) ? \ 0 : scnprintf(result + sz, maxlen - sz, x)) +#define DMEMIT_TARGET_NAME_VERSION(y) \ + DMEMIT("target_name=%s,target_version=%u.%u.%u", \ + (y)->name, (y)->version[0], (y)->version[1], (y)->version[2]) + /* * Definitions of return values from target end_io function. */ diff --git a/include/linux/device.h b/include/linux/device.h index f1a00040fa53..e270cb740b9e 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -165,21 +165,12 @@ void device_remove_bin_file(struct device *dev, typedef void (*dr_release_t)(struct device *dev, void *res); typedef int (*dr_match_t)(struct device *dev, void *res, void *match_data); -#ifdef CONFIG_DEBUG_DEVRES void *__devres_alloc_node(dr_release_t release, size_t size, gfp_t gfp, int nid, const char *name) __malloc; #define devres_alloc(release, size, gfp) \ __devres_alloc_node(release, size, gfp, NUMA_NO_NODE, #release) #define devres_alloc_node(release, size, gfp, nid) \ __devres_alloc_node(release, size, gfp, nid, #release) -#else -void *devres_alloc_node(dr_release_t release, size_t size, - gfp_t gfp, int nid) __malloc; -static inline void *devres_alloc(dr_release_t release, size_t size, gfp_t gfp) -{ - return devres_alloc_node(release, size, gfp, NUMA_NO_NODE); -} -#endif void devres_for_each_res(struct device *dev, dr_release_t release, dr_match_t match, void *match_data, @@ -351,6 +342,22 @@ enum dl_dev_state { }; /** + * enum device_removable - Whether the device is removable. The criteria for a + * device to be classified as removable is determined by its subsystem or bus. + * @DEVICE_REMOVABLE_NOT_SUPPORTED: This attribute is not supported for this + * device (default). + * @DEVICE_REMOVABLE_UNKNOWN: Device location is Unknown. + * @DEVICE_FIXED: Device is not removable by the user. + * @DEVICE_REMOVABLE: Device is removable by the user. + */ +enum device_removable { + DEVICE_REMOVABLE_NOT_SUPPORTED = 0, /* must be 0 */ + DEVICE_REMOVABLE_UNKNOWN, + DEVICE_FIXED, + DEVICE_REMOVABLE, +}; + +/** * struct dev_links_info - Device data related to device links. * @suppliers: List of links to supplier devices. * @consumers: List of links to consumer devices. @@ -399,7 +406,8 @@ struct dev_links_info { * along with subsystem-level and driver-level callbacks. * @em_pd: device's energy model performance domain * @pins: For device pin management. - * See Documentation/driver-api/pinctl.rst for details. + * See Documentation/driver-api/pin-control.rst for details. + * @msi_lock: Lock to protect MSI mask cache and mask register * @msi_list: Hosts MSI descriptors * @msi_domain: The generic MSI domain this device is using. * @numa_node: NUMA node this device is close to. @@ -416,6 +424,7 @@ struct dev_links_info { * @dma_pools: Dma pools (if dma'ble device). * @dma_mem: Internal for coherent mem override. * @cma_area: Contiguous memory area for dma allocations + * @dma_io_tlb_mem: Pointer to the swiotlb pool used. Not for driver use. * @archdata: For arch-specific additions. * @of_node: Associated device tree node. * @fwnode: Associated device node supplied by platform firmware. @@ -431,6 +440,9 @@ struct dev_links_info { * device (i.e. the bus driver that discovered the device). * @iommu_group: IOMMU group the device belongs to. * @iommu: Per device generic IOMMU runtime data + * @removable: Whether the device can be removed from the system. This + * should be set by the subsystem / bus driver that discovered + * the device. * * @offline_disabled: If set, the device is permanently online. * @offline: Set after successful invocation of bus type's .offline(). @@ -496,6 +508,7 @@ struct device { struct dev_pin_info *pins; #endif #ifdef CONFIG_GENERIC_MSI_IRQ + raw_spinlock_t msi_lock; struct list_head msi_list; #endif #ifdef CONFIG_DMA_OPS @@ -522,6 +535,9 @@ struct device { struct cma *cma_area; /* contiguous memory area for dma allocations */ #endif +#ifdef CONFIG_SWIOTLB + struct io_tlb_mem *dma_io_tlb_mem; +#endif /* arch specific additions */ struct dev_archdata archdata; @@ -544,6 +560,8 @@ struct device { struct iommu_group *iommu_group; struct dev_iommu *iommu; + enum device_removable removable; + bool offline_disabled:1; bool offline:1; bool of_node_reused:1; @@ -780,6 +798,22 @@ static inline bool dev_has_sync_state(struct device *dev) return false; } +static inline void dev_set_removable(struct device *dev, + enum device_removable removable) +{ + dev->removable = removable; +} + +static inline bool dev_is_removable(struct device *dev) +{ + return dev->removable == DEVICE_REMOVABLE; +} + +static inline bool dev_removable_is_valid(struct device *dev) +{ + return dev->removable != DEVICE_REMOVABLE_NOT_SUPPORTED; +} + /* * High level routines for use by the bus drivers */ @@ -817,6 +851,7 @@ int device_online(struct device *dev); void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode); void set_secondary_fwnode(struct device *dev, struct fwnode_handle *fwnode); void device_set_of_node_from_dev(struct device *dev, const struct device *dev2); +void device_set_node(struct device *dev, struct fwnode_handle *fwnode); static inline int dev_num_vf(struct device *dev) { @@ -845,6 +880,8 @@ static inline void *dev_get_platdata(const struct device *dev) * Manual binding of a device to driver. See drivers/base/bus.c * for information on use. */ +int __must_check device_driver_attach(struct device_driver *drv, + struct device *dev); int __must_check device_bind_driver(struct device *dev); void device_release_driver(struct device *dev); int __must_check device_attach(struct device *dev); diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h index 1ea5e1d1545b..062777a45a74 100644 --- a/include/linux/device/bus.h +++ b/include/linux/device/bus.h @@ -91,7 +91,7 @@ struct bus_type { int (*uevent)(struct device *dev, struct kobj_uevent_env *env); int (*probe)(struct device *dev); void (*sync_state)(struct device *dev); - int (*remove)(struct device *dev); + void (*remove)(struct device *dev); void (*shutdown)(struct device *dev); int (*online)(struct device *dev); diff --git a/include/linux/devm-helpers.h b/include/linux/devm-helpers.h index f40f77717a24..74891802200d 100644 --- a/include/linux/devm-helpers.h +++ b/include/linux/devm-helpers.h @@ -51,4 +51,29 @@ static inline int devm_delayed_work_autocancel(struct device *dev, return devm_add_action(dev, devm_delayed_work_drop, w); } +static inline void devm_work_drop(void *res) +{ + cancel_work_sync(res); +} + +/** + * devm_work_autocancel - Resource-managed work allocation + * @dev: Device which lifetime work is bound to + * @w: Work to be added (and automatically cancelled) + * @worker: Worker function + * + * Initialize work which is automatically cancelled when driver is detached. + * A few drivers need to queue work which must be cancelled before driver + * is detached to avoid accessing removed resources. + * devm_work_autocancel() can be used to omit the explicit + * cancelleation when driver is detached. + */ +static inline int devm_work_autocancel(struct device *dev, + struct work_struct *w, + work_func_t worker) +{ + INIT_WORK(w, worker); + return devm_add_action(dev, devm_work_drop, w); +} + #endif diff --git a/include/linux/dfl.h b/include/linux/dfl.h index 6cc10982351a..431636a0dc78 100644 --- a/include/linux/dfl.h +++ b/include/linux/dfl.h @@ -38,6 +38,7 @@ struct dfl_device { int id; u16 type; u16 feature_id; + u8 revision; struct resource mmio_res; int *irqs; unsigned int num_irqs; diff --git a/include/linux/dm-kcopyd.h b/include/linux/dm-kcopyd.h index e42de7750c88..c1707ee5b540 100644 --- a/include/linux/dm-kcopyd.h +++ b/include/linux/dm-kcopyd.h @@ -51,6 +51,7 @@ MODULE_PARM_DESC(name, description) struct dm_kcopyd_client; struct dm_kcopyd_client *dm_kcopyd_client_create(struct dm_kcopyd_throttle *throttle); void dm_kcopyd_client_destroy(struct dm_kcopyd_client *kc); +void dm_kcopyd_client_flush(struct dm_kcopyd_client *kc); /* * Submit a copy job to kcopyd. This is built on top of the diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index efdc56b9d95f..8b32b4bdd590 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -54,7 +54,7 @@ struct dma_buf_ops { * device), and otherwise need to fail the attach operation. * * The exporter should also in general check whether the current - * allocation fullfills the DMA constraints of the new device. If this + * allocation fulfills the DMA constraints of the new device. If this * is not the case, and the allocation cannot be moved, it should also * fail the attach operation. * @@ -96,6 +96,12 @@ struct dma_buf_ops { * This is called automatically for non-dynamic importers from * dma_buf_attach(). * + * Note that similar to non-dynamic exporters in their @map_dma_buf + * callback the driver must guarantee that the memory is available for + * use and cleared of any old data by the time this function returns. + * Drivers which pipeline their buffer moves internally must wait for + * all moves and clears to complete. + * * Returns: * * 0 on success, negative error code on failure. @@ -144,9 +150,18 @@ struct dma_buf_ops { * This is always called with the dmabuf->resv object locked when * the dynamic_mapping flag is true. * + * Note that for non-dynamic exporters the driver must guarantee that + * that the memory is available for use and cleared of any old data by + * the time this function returns. Drivers which pipeline their buffer + * moves internally must wait for all moves and clears to complete. + * Dynamic exporters do not need to follow this rule: For non-dynamic + * importers the buffer is already pinned through @pin, which has the + * same requirements. Dynamic importers otoh are required to obey the + * dma_resv fences. + * * Returns: * - * A &sg_table scatter list of or the backing storage of the DMA buffer, + * A &sg_table scatter list of the backing storage of the DMA buffer, * already mapped into the device address space of the &device attached * with the provided &dma_buf_attachment. The addresses and lengths in * the scatter list are PAGE_SIZE aligned. @@ -168,7 +183,7 @@ struct dma_buf_ops { * * This is called by dma_buf_unmap_attachment() and should unmap and * release the &sg_table allocated in @map_dma_buf, and it is mandatory. - * For static dma_buf handling this might also unpins the backing + * For static dma_buf handling this might also unpin the backing * storage if this is the last mapping of the DMA buffer. */ void (*unmap_dma_buf)(struct dma_buf_attachment *, @@ -237,7 +252,7 @@ struct dma_buf_ops { * This callback is used by the dma_buf_mmap() function * * Note that the mapping needs to be incoherent, userspace is expected - * to braket CPU access using the DMA_BUF_IOCTL_SYNC interface. + * to bracket CPU access using the DMA_BUF_IOCTL_SYNC interface. * * Because dma-buf buffers have invariant size over their lifetime, the * dma-buf core checks whether a vma is too large and rejects such @@ -274,27 +289,6 @@ struct dma_buf_ops { /** * struct dma_buf - shared buffer object - * @size: size of the buffer; invariant over the lifetime of the buffer. - * @file: file pointer used for sharing buffers across, and for refcounting. - * @attachments: list of dma_buf_attachment that denotes all devices attached, - * protected by dma_resv lock. - * @ops: dma_buf_ops associated with this buffer object. - * @lock: used internally to serialize list manipulation, attach/detach and - * vmap/unmap - * @vmapping_counter: used internally to refcnt the vmaps - * @vmap_ptr: the current vmap ptr if vmapping_counter > 0 - * @exp_name: name of the exporter; useful for debugging. - * @name: userspace-provided name; useful for accounting and debugging, - * protected by @resv. - * @name_lock: spinlock to protect name access - * @owner: pointer to exporter module; used for refcounting when exporter is a - * kernel module. - * @list_node: node for dma_buf accounting and debugging. - * @priv: exporter specific private data for this buffer object. - * @resv: reservation object linked to this dma-buf - * @poll: for userspace poll support - * @cb_excl: for userspace poll support - * @cb_shared: for userspace poll support * * This represents a shared buffer, created by calling dma_buf_export(). The * userspace representation is a normal file descriptor, which can be created by @@ -306,30 +300,152 @@ struct dma_buf_ops { * Device DMA access is handled by the separate &struct dma_buf_attachment. */ struct dma_buf { + /** + * @size: + * + * Size of the buffer; invariant over the lifetime of the buffer. + */ size_t size; + + /** + * @file: + * + * File pointer used for sharing buffers across, and for refcounting. + * See dma_buf_get() and dma_buf_put(). + */ struct file *file; + + /** + * @attachments: + * + * List of dma_buf_attachment that denotes all devices attached, + * protected by &dma_resv lock @resv. + */ struct list_head attachments; + + /** @ops: dma_buf_ops associated with this buffer object. */ const struct dma_buf_ops *ops; + + /** + * @lock: + * + * Used internally to serialize list manipulation, attach/detach and + * vmap/unmap. Note that in many cases this is superseeded by + * dma_resv_lock() on @resv. + */ struct mutex lock; + + /** + * @vmapping_counter: + * + * Used internally to refcnt the vmaps returned by dma_buf_vmap(). + * Protected by @lock. + */ unsigned vmapping_counter; + + /** + * @vmap_ptr: + * The current vmap ptr if @vmapping_counter > 0. Protected by @lock. + */ struct dma_buf_map vmap_ptr; + + /** + * @exp_name: + * + * Name of the exporter; useful for debugging. See the + * DMA_BUF_SET_NAME IOCTL. + */ const char *exp_name; + + /** + * @name: + * + * Userspace-provided name; useful for accounting and debugging, + * protected by dma_resv_lock() on @resv and @name_lock for read access. + */ const char *name; + + /** @name_lock: Spinlock to protect name acces for read access. */ spinlock_t name_lock; + + /** + * @owner: + * + * Pointer to exporter module; used for refcounting when exporter is a + * kernel module. + */ struct module *owner; + + /** @list_node: node for dma_buf accounting and debugging. */ struct list_head list_node; + + /** @priv: exporter specific private data for this buffer object. */ void *priv; + + /** + * @resv: + * + * Reservation object linked to this dma-buf. + * + * IMPLICIT SYNCHRONIZATION RULES: + * + * Drivers which support implicit synchronization of buffer access as + * e.g. exposed in `Implicit Fence Poll Support`_ must follow the + * below rules. + * + * - Drivers must add a shared fence through dma_resv_add_shared_fence() + * for anything the userspace API considers a read access. This highly + * depends upon the API and window system. + * + * - Similarly drivers must set the exclusive fence through + * dma_resv_add_excl_fence() for anything the userspace API considers + * write access. + * + * - Drivers may just always set the exclusive fence, since that only + * causes unecessarily synchronization, but no correctness issues. + * + * - Some drivers only expose a synchronous userspace API with no + * pipelining across drivers. These do not set any fences for their + * access. An example here is v4l. + * + * DYNAMIC IMPORTER RULES: + * + * Dynamic importers, see dma_buf_attachment_is_dynamic(), have + * additional constraints on how they set up fences: + * + * - Dynamic importers must obey the exclusive fence and wait for it to + * signal before allowing access to the buffer's underlying storage + * through the device. + * + * - Dynamic importers should set fences for any access that they can't + * disable immediately from their &dma_buf_attach_ops.move_notify + * callback. + */ struct dma_resv *resv; - /* poll support */ + /** @poll: for userspace poll support */ wait_queue_head_t poll; + /** @cb_excl: for userspace poll support */ + /** @cb_shared: for userspace poll support */ struct dma_buf_poll_cb_t { struct dma_fence_cb cb; wait_queue_head_t *poll; __poll_t active; } cb_excl, cb_shared; +#ifdef CONFIG_DMABUF_SYSFS_STATS + /** + * @sysfs_entry: + * + * For exposing information about this buffer in sysfs. See also + * `DMA-BUF statistics`_ for the uapi this enables. + */ + struct dma_buf_sysfs_entry { + struct kobject kobj; + struct dma_buf *dmabuf; + } *sysfs_entry; +#endif }; /** @@ -464,7 +580,7 @@ static inline bool dma_buf_is_dynamic(struct dma_buf *dmabuf) /** * dma_buf_attachment_is_dynamic - check if a DMA-buf attachment uses dynamic - * mappinsg + * mappings * @attach: the DMA-buf attachment to check * * Returns true if a DMA-buf importer wants to call the map/unmap functions with diff --git a/include/linux/dma-fence-chain.h b/include/linux/dma-fence-chain.h index 10462a029da2..54fe3443fd2c 100644 --- a/include/linux/dma-fence-chain.h +++ b/include/linux/dma-fence-chain.h @@ -12,25 +12,41 @@ #include <linux/dma-fence.h> #include <linux/irq_work.h> +#include <linux/slab.h> /** * struct dma_fence_chain - fence to represent an node of a fence chain * @base: fence base class - * @lock: spinlock for fence handling * @prev: previous fence of the chain * @prev_seqno: original previous seqno before garbage collection * @fence: encapsulated fence - * @cb: callback structure for signaling - * @work: irq work item for signaling + * @lock: spinlock for fence handling */ struct dma_fence_chain { struct dma_fence base; - spinlock_t lock; struct dma_fence __rcu *prev; u64 prev_seqno; struct dma_fence *fence; - struct dma_fence_cb cb; - struct irq_work work; + union { + /** + * @cb: callback for signaling + * + * This is used to add the callback for signaling the + * complection of the fence chain. Never used at the same time + * as the irq work. + */ + struct dma_fence_cb cb; + + /** + * @work: irq work item for signaling + * + * Irq work structure to allow us to add the callback without + * running into lock inversion. Never used at the same time as + * the callback. + */ + struct irq_work work; + }; + spinlock_t lock; }; extern const struct dma_fence_ops dma_fence_chain_ops; @@ -52,6 +68,30 @@ to_dma_fence_chain(struct dma_fence *fence) } /** + * dma_fence_chain_alloc + * + * Returns a new struct dma_fence_chain object or NULL on failure. + */ +static inline struct dma_fence_chain *dma_fence_chain_alloc(void) +{ + return kmalloc(sizeof(struct dma_fence_chain), GFP_KERNEL); +}; + +/** + * dma_fence_chain_free + * @chain: chain node to free + * + * Frees up an allocated but not used struct dma_fence_chain object. This + * doesn't need an RCU grace period since the fence was never initialized nor + * published. After dma_fence_chain_init() has been called the fence must be + * released by calling dma_fence_put(), and not through this function. + */ +static inline void dma_fence_chain_free(struct dma_fence_chain *chain) +{ + kfree(chain); +}; + +/** * dma_fence_chain_for_each - iterate over all fences in chain * @iter: current fence * @head: starting point diff --git a/include/linux/dma-iommu.h b/include/linux/dma-iommu.h index 6e75a2d689b4..24607dc3c2ac 100644 --- a/include/linux/dma-iommu.h +++ b/include/linux/dma-iommu.h @@ -19,7 +19,8 @@ int iommu_get_msi_cookie(struct iommu_domain *domain, dma_addr_t base); void iommu_put_dma_cookie(struct iommu_domain *domain); /* Setup call for arch DMA mapping code */ -void iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 size); +void iommu_setup_dma_ops(struct device *dev, u64 dma_base, u64 dma_limit); +int iommu_dma_init_fq(struct iommu_domain *domain); /* The DMA API isn't _quite_ the whole story, though... */ /* @@ -50,10 +51,15 @@ struct msi_msg; struct device; static inline void iommu_setup_dma_ops(struct device *dev, u64 dma_base, - u64 size) + u64 dma_limit) { } +static inline int iommu_dma_init_fq(struct iommu_domain *domain) +{ + return -EINVAL; +} + static inline int iommu_get_dma_cookie(struct iommu_domain *domain) { return -ENODEV; diff --git a/include/linux/dma-map-ops.h b/include/linux/dma-map-ops.h index 0d53a96a3d64..0d5b06b3a4a6 100644 --- a/include/linux/dma-map-ops.h +++ b/include/linux/dma-map-ops.h @@ -41,8 +41,9 @@ struct dma_map_ops { size_t size, enum dma_data_direction dir, unsigned long attrs); /* - * map_sg returns 0 on error and a value > 0 on success. - * It should never return a value < 0. + * map_sg should return a negative error code on error. See + * dma_map_sgtable() for a list of appropriate error codes + * and their meanings. */ int (*map_sg)(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs); @@ -170,13 +171,6 @@ int dma_alloc_from_dev_coherent(struct device *dev, ssize_t size, int dma_release_from_dev_coherent(struct device *dev, int order, void *vaddr); int dma_mmap_from_dev_coherent(struct device *dev, struct vm_area_struct *vma, void *cpu_addr, size_t size, int *ret); - -void *dma_alloc_from_global_coherent(struct device *dev, ssize_t size, - dma_addr_t *dma_handle); -int dma_release_from_global_coherent(int order, void *vaddr); -int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *cpu_addr, - size_t size, int *ret); - #else static inline int dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr, dma_addr_t device_addr, size_t size) @@ -186,7 +180,16 @@ static inline int dma_declare_coherent_memory(struct device *dev, #define dma_alloc_from_dev_coherent(dev, size, handle, ret) (0) #define dma_release_from_dev_coherent(dev, order, vaddr) (0) #define dma_mmap_from_dev_coherent(dev, vma, vaddr, order, ret) (0) +#endif /* CONFIG_DMA_DECLARE_COHERENT */ +#ifdef CONFIG_DMA_GLOBAL_POOL +void *dma_alloc_from_global_coherent(struct device *dev, ssize_t size, + dma_addr_t *dma_handle); +int dma_release_from_global_coherent(int order, void *vaddr); +int dma_mmap_from_global_coherent(struct vm_area_struct *vma, void *cpu_addr, + size_t size, int *ret); +int dma_init_global_coherent(phys_addr_t phys_addr, size_t size); +#else static inline void *dma_alloc_from_global_coherent(struct device *dev, ssize_t size, dma_addr_t *dma_handle) { @@ -201,7 +204,7 @@ static inline int dma_mmap_from_global_coherent(struct vm_area_struct *vma, { return 0; } -#endif /* CONFIG_DMA_DECLARE_COHERENT */ +#endif /* CONFIG_DMA_GLOBAL_POOL */ /* * This is the actual return value from the ->alloc_noncontiguous method. diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 183e7103a66d..dca2b1355bb1 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -105,11 +105,13 @@ dma_addr_t dma_map_page_attrs(struct device *dev, struct page *page, unsigned long attrs); void dma_unmap_page_attrs(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir, unsigned long attrs); -int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir, unsigned long attrs); +unsigned int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, + int nents, enum dma_data_direction dir, unsigned long attrs); void dma_unmap_sg_attrs(struct device *dev, struct scatterlist *sg, int nents, enum dma_data_direction dir, unsigned long attrs); +int dma_map_sgtable(struct device *dev, struct sg_table *sgt, + enum dma_data_direction dir, unsigned long attrs); dma_addr_t dma_map_resource(struct device *dev, phys_addr_t phys_addr, size_t size, enum dma_data_direction dir, unsigned long attrs); void dma_unmap_resource(struct device *dev, dma_addr_t addr, size_t size, @@ -164,8 +166,9 @@ static inline void dma_unmap_page_attrs(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir, unsigned long attrs) { } -static inline int dma_map_sg_attrs(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, unsigned long attrs) +static inline unsigned int dma_map_sg_attrs(struct device *dev, + struct scatterlist *sg, int nents, enum dma_data_direction dir, + unsigned long attrs) { return 0; } @@ -174,6 +177,11 @@ static inline void dma_unmap_sg_attrs(struct device *dev, unsigned long attrs) { } +static inline int dma_map_sgtable(struct device *dev, struct sg_table *sgt, + enum dma_data_direction dir, unsigned long attrs) +{ + return -EOPNOTSUPP; +} static inline dma_addr_t dma_map_resource(struct device *dev, phys_addr_t phys_addr, size_t size, enum dma_data_direction dir, unsigned long attrs) @@ -344,34 +352,6 @@ static inline void dma_sync_single_range_for_device(struct device *dev, } /** - * dma_map_sgtable - Map the given buffer for DMA - * @dev: The device for which to perform the DMA operation - * @sgt: The sg_table object describing the buffer - * @dir: DMA direction - * @attrs: Optional DMA attributes for the map operation - * - * Maps a buffer described by a scatterlist stored in the given sg_table - * object for the @dir DMA operation by the @dev device. After success the - * ownership for the buffer is transferred to the DMA domain. One has to - * call dma_sync_sgtable_for_cpu() or dma_unmap_sgtable() to move the - * ownership of the buffer back to the CPU domain before touching the - * buffer by the CPU. - * - * Returns 0 on success or -EINVAL on error during mapping the buffer. - */ -static inline int dma_map_sgtable(struct device *dev, struct sg_table *sgt, - enum dma_data_direction dir, unsigned long attrs) -{ - int nents; - - nents = dma_map_sg_attrs(dev, sgt->sgl, sgt->orig_nents, dir, attrs); - if (nents <= 0) - return -EINVAL; - sgt->nents = nents; - return 0; -} - -/** * dma_unmap_sgtable - Unmap the given buffer for DMA * @dev: The device for which to perform the DMA operation * @sgt: The sg_table object describing the buffer diff --git a/include/linux/dma-resv.h b/include/linux/dma-resv.h index d44a77e8a7e3..e1ca2080a1ff 100644 --- a/include/linux/dma-resv.h +++ b/include/linux/dma-resv.h @@ -78,19 +78,11 @@ struct dma_resv { #define dma_resv_held(obj) lockdep_is_held(&(obj)->lock.base) #define dma_resv_assert_held(obj) lockdep_assert_held(&(obj)->lock.base) -/** - * dma_resv_get_list - get the reservation object's - * shared fence list, with update-side lock held - * @obj: the reservation object - * - * Returns the shared fence list. Does NOT take references to - * the fence. The obj->lock must be held. - */ -static inline struct dma_resv_list *dma_resv_get_list(struct dma_resv *obj) -{ - return rcu_dereference_protected(obj->fence, - dma_resv_held(obj)); -} +#ifdef CONFIG_DEBUG_MUTEXES +void dma_resv_reset_shared_max(struct dma_resv *obj); +#else +static inline void dma_resv_reset_shared_max(struct dma_resv *obj) {} +#endif /** * dma_resv_lock - lock the reservation object @@ -215,38 +207,29 @@ static inline struct ww_acquire_ctx *dma_resv_locking_ctx(struct dma_resv *obj) */ static inline void dma_resv_unlock(struct dma_resv *obj) { -#ifdef CONFIG_DEBUG_MUTEXES - /* Test shared fence slot reservation */ - if (rcu_access_pointer(obj->fence)) { - struct dma_resv_list *fence = dma_resv_get_list(obj); - - fence->shared_max = fence->shared_count; - } -#endif + dma_resv_reset_shared_max(obj); ww_mutex_unlock(&obj->lock); } /** - * dma_resv_get_excl - get the reservation object's - * exclusive fence, with update-side lock held + * dma_resv_excl_fence - return the object's exclusive fence * @obj: the reservation object * - * Returns the exclusive fence (if any). Does NOT take a - * reference. Writers must hold obj->lock, readers may only - * hold a RCU read side lock. + * Returns the exclusive fence (if any). Caller must either hold the objects + * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(), + * or one of the variants of each * * RETURNS * The exclusive fence or NULL */ static inline struct dma_fence * -dma_resv_get_excl(struct dma_resv *obj) +dma_resv_excl_fence(struct dma_resv *obj) { - return rcu_dereference_protected(obj->fence_excl, - dma_resv_held(obj)); + return rcu_dereference_check(obj->fence_excl, dma_resv_held(obj)); } /** - * dma_resv_get_excl_rcu - get the reservation object's + * dma_resv_get_excl_unlocked - get the reservation object's * exclusive fence, without lock held. * @obj: the reservation object * @@ -257,7 +240,7 @@ dma_resv_get_excl(struct dma_resv *obj) * The exclusive fence or NULL if none */ static inline struct dma_fence * -dma_resv_get_excl_rcu(struct dma_resv *obj) +dma_resv_get_excl_unlocked(struct dma_resv *obj) { struct dma_fence *fence; @@ -271,23 +254,29 @@ dma_resv_get_excl_rcu(struct dma_resv *obj) return fence; } +/** + * dma_resv_shared_list - get the reservation object's shared fence list + * @obj: the reservation object + * + * Returns the shared fence list. Caller must either hold the objects + * through dma_resv_lock() or the RCU read side lock through rcu_read_lock(), + * or one of the variants of each + */ +static inline struct dma_resv_list *dma_resv_shared_list(struct dma_resv *obj) +{ + return rcu_dereference_check(obj->fence, dma_resv_held(obj)); +} + void dma_resv_init(struct dma_resv *obj); void dma_resv_fini(struct dma_resv *obj); int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences); void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence); - void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence); - -int dma_resv_get_fences_rcu(struct dma_resv *obj, - struct dma_fence **pfence_excl, - unsigned *pshared_count, - struct dma_fence ***pshared); - +int dma_resv_get_fences(struct dma_resv *obj, struct dma_fence **pfence_excl, + unsigned *pshared_count, struct dma_fence ***pshared); int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src); - -long dma_resv_wait_timeout_rcu(struct dma_resv *obj, bool wait_all, bool intr, - unsigned long timeout); - -bool dma_resv_test_signaled_rcu(struct dma_resv *obj, bool test_all); +long dma_resv_wait_timeout(struct dma_resv *obj, bool wait_all, bool intr, + unsigned long timeout); +bool dma_resv_test_signaled(struct dma_resv *obj, bool test_all); #endif /* _LINUX_RESERVATION_H */ diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 004736b6a9c8..e5c2c9e71bf1 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -230,12 +230,6 @@ enum sum_check_flags { typedef struct { DECLARE_BITMAP(bits, DMA_TX_TYPE_END); } dma_cap_mask_t; /** - * struct dma_chan_percpu - the per-CPU part of struct dma_chan - * @memcpy_count: transaction counter - * @bytes_transferred: byte counter - */ - -/** * enum dma_desc_metadata_mode - per descriptor metadata mode types supported * @DESC_METADATA_CLIENT - the metadata buffer is allocated/provided by the * client driver and it is attached (via the dmaengine_desc_attach_metadata() @@ -291,6 +285,11 @@ enum dma_desc_metadata_mode { DESC_METADATA_ENGINE = BIT(1), }; +/** + * struct dma_chan_percpu - the per-CPU part of struct dma_chan + * @memcpy_count: transaction counter + * @bytes_transferred: byte counter + */ struct dma_chan_percpu { /* stats */ unsigned long memcpy_count; @@ -381,6 +380,7 @@ enum dma_slave_buswidth { DMA_SLAVE_BUSWIDTH_16_BYTES = 16, DMA_SLAVE_BUSWIDTH_32_BYTES = 32, DMA_SLAVE_BUSWIDTH_64_BYTES = 64, + DMA_SLAVE_BUSWIDTH_128_BYTES = 128, }; /** @@ -399,7 +399,7 @@ enum dma_slave_buswidth { * @src_addr_width: this is the width in bytes of the source (RX) * register where DMA data shall be read. If the source * is memory this may be ignored depending on architecture. - * Legal values: 1, 2, 3, 4, 8, 16, 32, 64. + * Legal values: 1, 2, 3, 4, 8, 16, 32, 64, 128. * @dst_addr_width: same as src_addr_width but for destination * target (TX) mutatis mutandis. * @src_maxburst: the maximum number of words (note: words, as in diff --git a/include/linux/dsa/8021q.h b/include/linux/dsa/8021q.h index b12b05f1c8b4..c7fa4a3498fe 100644 --- a/include/linux/dsa/8021q.h +++ b/include/linux/dsa/8021q.h @@ -11,137 +11,52 @@ struct dsa_switch; struct sk_buff; struct net_device; -struct packet_type; -struct dsa_8021q_context; -struct dsa_8021q_crosschip_link { +struct dsa_tag_8021q_vlan { struct list_head list; int port; - struct dsa_8021q_context *other_ctx; - int other_port; + u16 vid; refcount_t refcount; }; -struct dsa_8021q_ops { - int (*vlan_add)(struct dsa_switch *ds, int port, u16 vid, u16 flags); - int (*vlan_del)(struct dsa_switch *ds, int port, u16 vid); -}; - struct dsa_8021q_context { - const struct dsa_8021q_ops *ops; struct dsa_switch *ds; - struct list_head crosschip_links; + struct list_head vlans; /* EtherType of RX VID, used for filtering on master interface */ __be16 proto; }; -#define DSA_8021Q_N_SUBVLAN 8 +int dsa_tag_8021q_register(struct dsa_switch *ds, __be16 proto); -#if IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) +void dsa_tag_8021q_unregister(struct dsa_switch *ds); + +struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, + u16 tpid, u16 tci); -int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled); +void dsa_8021q_rcv(struct sk_buff *skb, int *source_port, int *switch_id); -int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port, - struct dsa_8021q_context *other_ctx, - int other_port); +int dsa_tag_8021q_bridge_tx_fwd_offload(struct dsa_switch *ds, int port, + struct net_device *br, + int bridge_num); -int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port, - struct dsa_8021q_context *other_ctx, - int other_port); +void dsa_tag_8021q_bridge_tx_fwd_unoffload(struct dsa_switch *ds, int port, + struct net_device *br, + int bridge_num); -struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, - u16 tpid, u16 tci); +u16 dsa_8021q_bridge_tx_fwd_offload_vid(int bridge_num); u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port); u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port); -u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan); - int dsa_8021q_rx_switch_id(u16 vid); int dsa_8021q_rx_source_port(u16 vid); -u16 dsa_8021q_rx_subvlan(u16 vid); - bool vid_is_dsa_8021q_rxvlan(u16 vid); bool vid_is_dsa_8021q_txvlan(u16 vid); bool vid_is_dsa_8021q(u16 vid); -#else - -int dsa_8021q_setup(struct dsa_8021q_context *ctx, bool enabled) -{ - return 0; -} - -int dsa_8021q_crosschip_bridge_join(struct dsa_8021q_context *ctx, int port, - struct dsa_8021q_context *other_ctx, - int other_port) -{ - return 0; -} - -int dsa_8021q_crosschip_bridge_leave(struct dsa_8021q_context *ctx, int port, - struct dsa_8021q_context *other_ctx, - int other_port) -{ - return 0; -} - -struct sk_buff *dsa_8021q_xmit(struct sk_buff *skb, struct net_device *netdev, - u16 tpid, u16 tci) -{ - return NULL; -} - -u16 dsa_8021q_tx_vid(struct dsa_switch *ds, int port) -{ - return 0; -} - -u16 dsa_8021q_rx_vid(struct dsa_switch *ds, int port) -{ - return 0; -} - -u16 dsa_8021q_rx_vid_subvlan(struct dsa_switch *ds, int port, u16 subvlan) -{ - return 0; -} - -int dsa_8021q_rx_switch_id(u16 vid) -{ - return 0; -} - -int dsa_8021q_rx_source_port(u16 vid) -{ - return 0; -} - -u16 dsa_8021q_rx_subvlan(u16 vid) -{ - return 0; -} - -bool vid_is_dsa_8021q_rxvlan(u16 vid) -{ - return false; -} - -bool vid_is_dsa_8021q_txvlan(u16 vid) -{ - return false; -} - -bool vid_is_dsa_8021q(u16 vid) -{ - return false; -} - -#endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */ - #endif /* _NET_DSA_8021Q_H */ diff --git a/include/linux/dsa/mv88e6xxx.h b/include/linux/dsa/mv88e6xxx.h new file mode 100644 index 000000000000..8c3d45eca46b --- /dev/null +++ b/include/linux/dsa/mv88e6xxx.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 + * Copyright 2021 NXP + */ + +#ifndef _NET_DSA_TAG_MV88E6XXX_H +#define _NET_DSA_TAG_MV88E6XXX_H + +#include <linux/if_vlan.h> + +#define MV88E6XXX_VID_STANDALONE 0 +#define MV88E6XXX_VID_BRIDGED (VLAN_N_VID - 1) + +#endif diff --git a/include/linux/dsa/ocelot.h b/include/linux/dsa/ocelot.h index c6bc45ae5e03..8ae999f587c4 100644 --- a/include/linux/dsa/ocelot.h +++ b/include/linux/dsa/ocelot.h @@ -1,11 +1,32 @@ /* SPDX-License-Identifier: GPL-2.0 - * Copyright 2019-2021 NXP Semiconductors + * Copyright 2019-2021 NXP */ #ifndef _NET_DSA_TAG_OCELOT_H #define _NET_DSA_TAG_OCELOT_H +#include <linux/kthread.h> #include <linux/packing.h> +#include <linux/skbuff.h> + +struct ocelot_skb_cb { + struct sk_buff *clone; + unsigned int ptp_class; /* valid only for clones */ + u8 ptp_cmd; + u8 ts_id; +}; + +#define OCELOT_SKB_CB(skb) \ + ((struct ocelot_skb_cb *)((skb)->cb)) + +#define IFH_TAG_TYPE_C 0 +#define IFH_TAG_TYPE_S 1 + +#define IFH_REW_OP_NOOP 0x0 +#define IFH_REW_OP_DSCP 0x1 +#define IFH_REW_OP_ONE_STEP_PTP 0x2 +#define IFH_REW_OP_TWO_STEP_PTP 0x3 +#define IFH_REW_OP_ORIGIN_PTP 0x5 #define OCELOT_TAG_LEN 16 #define OCELOT_SHORT_PREFIX_LEN 4 @@ -140,6 +161,17 @@ * +------+------+------+------+------+------+------+------+ */ +struct felix_deferred_xmit_work { + struct dsa_port *dp; + struct sk_buff *skb; + struct kthread_work work; +}; + +struct felix_port { + void (*xmit_work_fn)(struct kthread_work *work); + struct kthread_worker *xmit_worker; +}; + static inline void ocelot_xfh_get_rew_val(void *extraction, u64 *rew_val) { packing(extraction, rew_val, 116, 85, OCELOT_TAG_LEN, UNPACK, 0); @@ -215,4 +247,21 @@ static inline void ocelot_ifh_set_vid(void *injection, u64 vid) packing(injection, &vid, 11, 0, OCELOT_TAG_LEN, PACK, 0); } +/* Determine the PTP REW_OP to use for injecting the given skb */ +static inline u32 ocelot_ptp_rew_op(struct sk_buff *skb) +{ + struct sk_buff *clone = OCELOT_SKB_CB(skb)->clone; + u8 ptp_cmd = OCELOT_SKB_CB(skb)->ptp_cmd; + u32 rew_op = 0; + + if (ptp_cmd == IFH_REW_OP_TWO_STEP_PTP && clone) { + rew_op = ptp_cmd; + rew_op |= OCELOT_SKB_CB(clone)->ts_id << 3; + } else if (ptp_cmd == IFH_REW_OP_ORIGIN_PTP) { + rew_op = ptp_cmd; + } + + return rew_op; +} + #endif diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h index 1eb84562b311..9e07079528a5 100644 --- a/include/linux/dsa/sja1105.h +++ b/include/linux/dsa/sja1105.h @@ -14,6 +14,9 @@ #define ETH_P_SJA1105 ETH_P_DSA_8021Q #define ETH_P_SJA1105_META 0x0008 +#define ETH_P_SJA1110 0xdadc + +#define SJA1105_DEFAULT_VLAN (VLAN_N_VID - 1) /* IEEE 802.3 Annex 57A: Slow Protocols PDUs (01:80:C2:xx:xx:xx) */ #define SJA1105_LINKLOCAL_FILTER_A 0x0180C2000000ull @@ -44,25 +47,50 @@ struct sja1105_tagger_data { */ spinlock_t meta_lock; unsigned long state; + u8 ts_id; + /* Used on SJA1110 where meta frames are generated only for + * 2-step TX timestamps + */ + struct sk_buff_head skb_txtstamp_queue; }; struct sja1105_skb_cb { struct sk_buff *clone; - u32 meta_tstamp; + u64 tstamp; + /* Only valid for packets cloned for 2-step TX timestamping */ + u8 ts_id; }; #define SJA1105_SKB_CB(skb) \ ((struct sja1105_skb_cb *)((skb)->cb)) struct sja1105_port { - u16 subvlan_map[DSA_8021Q_N_SUBVLAN]; struct kthread_worker *xmit_worker; struct kthread_work xmit_work; struct sk_buff_head xmit_queue; struct sja1105_tagger_data *data; struct dsa_port *dp; bool hwts_tx_en; - u16 xmit_tpid; }; +/* Timestamps are in units of 8 ns clock ticks (equivalent to + * a fixed 125 MHz clock). + */ +#define SJA1105_TICK_NS 8 + +static inline s64 ns_to_sja1105_ticks(s64 ns) +{ + return ns / SJA1105_TICK_NS; +} + +static inline s64 sja1105_ticks_to_ns(s64 ticks) +{ + return ticks * SJA1105_TICK_NS; +} + +static inline bool dsa_port_is_sja1105(struct dsa_port *dp) +{ + return true; +} + #endif /* _NET_DSA_SJA1105_H */ diff --git a/include/linux/edac.h b/include/linux/edac.h index 76d3562d3006..4207d06996a4 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -184,6 +184,7 @@ static inline char *mc_event_error_type(const unsigned int err_type) * @MEM_DDR5: Unbuffered DDR5 RAM * @MEM_NVDIMM: Non-volatile RAM * @MEM_WIO2: Wide I/O 2. + * @MEM_HBM2: High bandwidth Memory Gen 2. */ enum mem_type { MEM_EMPTY = 0, @@ -212,6 +213,7 @@ enum mem_type { MEM_DDR5, MEM_NVDIMM, MEM_WIO2, + MEM_HBM2, }; #define MEM_FLAG_EMPTY BIT(MEM_EMPTY) @@ -239,6 +241,7 @@ enum mem_type { #define MEM_FLAG_DDR5 BIT(MEM_DDR5) #define MEM_FLAG_NVDIMM BIT(MEM_NVDIMM) #define MEM_FLAG_WIO2 BIT(MEM_WIO2) +#define MEM_FLAG_HBM2 BIT(MEM_HBM2) /** * enum edac_type - Error Detection and Correction capabilities and mode diff --git a/include/linux/eeprom_93xx46.h b/include/linux/eeprom_93xx46.h index 99580c22f91a..34c2175e6a1e 100644 --- a/include/linux/eeprom_93xx46.h +++ b/include/linux/eeprom_93xx46.h @@ -10,6 +10,9 @@ struct eeprom_93xx46_platform_data { #define EE_ADDR8 0x01 /* 8 bit addr. cfg */ #define EE_ADDR16 0x02 /* 16 bit addr. cfg */ #define EE_READONLY 0x08 /* forbid writing */ +#define EE_SIZE1K 0x10 /* 1 kb of data, that is a 93xx46 */ +#define EE_SIZE2K 0x20 /* 2 kb of data, that is a 93xx56 */ +#define EE_SIZE4K 0x40 /* 4 kb of data, that is a 93xx66 */ unsigned int quirks; /* Single word read transfers only; no sequential read. */ diff --git a/include/linux/elevator.h b/include/linux/elevator.h index dcb2f9022c1d..ef9ceead3db1 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -117,9 +117,11 @@ extern void elv_merge_requests(struct request_queue *, struct request *, struct request *); extern void elv_merged_request(struct request_queue *, struct request *, enum elv_merge); -extern bool elv_attempt_insert_merge(struct request_queue *, struct request *); +extern bool elv_attempt_insert_merge(struct request_queue *, struct request *, + struct list_head *); extern struct request *elv_former_request(struct request_queue *, struct request *); extern struct request *elv_latter_request(struct request_queue *, struct request *); +void elevator_init_mq(struct request_queue *q); /* * io scheduler registration diff --git a/include/linux/elfcore.h b/include/linux/elfcore.h index 2aaa15779d50..957ebec35aad 100644 --- a/include/linux/elfcore.h +++ b/include/linux/elfcore.h @@ -109,7 +109,7 @@ static inline int elf_core_copy_task_fpregs(struct task_struct *t, struct pt_reg #endif } -#if defined(CONFIG_UM) || defined(CONFIG_IA64) +#if (defined(CONFIG_UML) && defined(CONFIG_X86_32)) || defined(CONFIG_IA64) /* * These functions parameterize elf_core_dump in fs/binfmt_elf.c to write out * extra segments containing the gate DSO contents. Dumping its diff --git a/include/linux/energy_model.h b/include/linux/energy_model.h index 757fc60658fa..39dcadd492b5 100644 --- a/include/linux/energy_model.h +++ b/include/linux/energy_model.h @@ -11,7 +11,7 @@ #include <linux/types.h> /** - * em_perf_state - Performance state of a performance domain + * struct em_perf_state - Performance state of a performance domain * @frequency: The frequency in KHz, for consistency with CPUFreq * @power: The power consumed at this level (by 1 CPU or by a registered * device). It can be a total power: static and dynamic. @@ -25,7 +25,7 @@ struct em_perf_state { }; /** - * em_perf_domain - Performance domain + * struct em_perf_domain - Performance domain * @table: List of performance states, in ascending order * @nr_perf_states: Number of performance states * @milliwatts: Flag indicating the power values are in milli-Watts @@ -53,6 +53,22 @@ struct em_perf_domain { #ifdef CONFIG_ENERGY_MODEL #define EM_MAX_POWER 0xFFFF +/* + * Increase resolution of energy estimation calculations for 64-bit + * architectures. The extra resolution improves decision made by EAS for the + * task placement when two Performance Domains might provide similar energy + * estimation values (w/o better resolution the values could be equal). + * + * We increase resolution only if we have enough bits to allow this increased + * resolution (i.e. 64-bit). The costs for increasing resolution when 32-bit + * are pretty high and the returns do not justify the increased costs. + */ +#ifdef CONFIG_64BIT +#define em_scale_power(p) ((p) * 1000) +#else +#define em_scale_power(p) (p) +#endif + struct em_data_callback { /** * active_power() - Provide power at the next performance state of @@ -87,10 +103,12 @@ void em_dev_unregister_perf_domain(struct device *dev); /** * em_cpu_energy() - Estimates the energy consumed by the CPUs of a - performance domain + * performance domain * @pd : performance domain for which energy has to be estimated * @max_util : highest utilization among CPUs of the domain * @sum_util : sum of the utilization of all CPUs in the domain + * @allowed_cpu_cap : maximum allowed CPU capacity for the @pd, which + * might reflect reduced frequency (due to thermal) * * This function must be used only for CPU devices. There is no validation, * i.e. if the EM is a CPU type and has cpumask allocated. It is called from @@ -100,7 +118,8 @@ void em_dev_unregister_perf_domain(struct device *dev); * a capacity state satisfying the max utilization of the domain. */ static inline unsigned long em_cpu_energy(struct em_perf_domain *pd, - unsigned long max_util, unsigned long sum_util) + unsigned long max_util, unsigned long sum_util, + unsigned long allowed_cpu_cap) { unsigned long freq, scale_cpu; struct em_perf_state *ps; @@ -112,11 +131,17 @@ static inline unsigned long em_cpu_energy(struct em_perf_domain *pd, /* * In order to predict the performance state, map the utilization of * the most utilized CPU of the performance domain to a requested - * frequency, like schedutil. + * frequency, like schedutil. Take also into account that the real + * frequency might be set lower (due to thermal capping). Thus, clamp + * max utilization to the allowed CPU capacity before calculating + * effective frequency. */ cpu = cpumask_first(to_cpumask(pd->cpus)); scale_cpu = arch_scale_cpu_capacity(cpu); ps = &pd->table[pd->nr_perf_states - 1]; + + max_util = map_util_perf(max_util); + max_util = min(max_util, allowed_cpu_cap); freq = map_util_freq(max_util, ps->frequency, scale_cpu); /* @@ -209,7 +234,8 @@ static inline struct em_perf_domain *em_pd_get(struct device *dev) return NULL; } static inline unsigned long em_cpu_energy(struct em_perf_domain *pd, - unsigned long max_util, unsigned long sum_util) + unsigned long max_util, unsigned long sum_util, + unsigned long allowed_cpu_cap) { return 0; } diff --git a/include/linux/entry-kvm.h b/include/linux/entry-kvm.h index 136b8d97d8c0..0d7865a0731c 100644 --- a/include/linux/entry-kvm.h +++ b/include/linux/entry-kvm.h @@ -2,7 +2,11 @@ #ifndef __LINUX_ENTRYKVM_H #define __LINUX_ENTRYKVM_H -#include <linux/entry-common.h> +#include <linux/static_call_types.h> +#include <linux/tracehook.h> +#include <linux/syscalls.h> +#include <linux/seccomp.h> +#include <linux/sched.h> #include <linux/tick.h> /* Transfer to guest mode work */ diff --git a/include/linux/errno.h b/include/linux/errno.h index d73f597a2484..8b0c754bab02 100644 --- a/include/linux/errno.h +++ b/include/linux/errno.h @@ -31,5 +31,6 @@ #define EJUKEBOX 528 /* Request initiated, but will not complete before timeout */ #define EIOCBQUEUED 529 /* iocb queued, will get completion event */ #define ERECALLCONFLICT 530 /* conflict with recalled state */ +#define ENOGRACE 531 /* NFS file lock reclaim refused */ #endif diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h index 330345b1be54..c58d50451485 100644 --- a/include/linux/etherdevice.h +++ b/include/linux/etherdevice.h @@ -300,6 +300,18 @@ static inline void ether_addr_copy(u8 *dst, const u8 *src) } /** + * eth_hw_addr_set - Assign Ethernet address to a net_device + * @dev: pointer to net_device structure + * @addr: address to assign + * + * Assign given address to the net_device, addr_assign_type is not changed. + */ +static inline void eth_hw_addr_set(struct net_device *dev, const u8 *addr) +{ + __dev_addr_set(dev, addr, ETH_ALEN); +} + +/** * eth_hw_addr_inherit - Copy dev_addr from another net_device * @dst: pointer to net_device to copy dev_addr to * @src: pointer to net_device to copy dev_addr from diff --git a/include/linux/ethtool.h b/include/linux/ethtool.h index e030f7510cd3..849524b55d89 100644 --- a/include/linux/ethtool.h +++ b/include/linux/ethtool.h @@ -15,10 +15,9 @@ #include <linux/bitmap.h> #include <linux/compat.h> +#include <linux/netlink.h> #include <uapi/linux/ethtool.h> -#ifdef CONFIG_COMPAT - struct compat_ethtool_rx_flow_spec { u32 flow_type; union ethtool_flow_union h_u; @@ -38,8 +37,6 @@ struct compat_ethtool_rxnfc { u32 rule_locs[]; }; -#endif /* CONFIG_COMPAT */ - #include <linux/rculist.h> /** @@ -176,6 +173,11 @@ extern int __ethtool_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *link_ksettings); +struct kernel_ethtool_coalesce { + u8 use_cqe_mode_tx; + u8 use_cqe_mode_rx; +}; + /** * ethtool_intersect_link_masks - Given two link masks, AND them together * @dst: first mask and where result is stored @@ -215,7 +217,9 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, #define ETHTOOL_COALESCE_TX_USECS_HIGH BIT(19) #define ETHTOOL_COALESCE_TX_MAX_FRAMES_HIGH BIT(20) #define ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL BIT(21) -#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(21, 0) +#define ETHTOOL_COALESCE_USE_CQE_RX BIT(22) +#define ETHTOOL_COALESCE_USE_CQE_TX BIT(23) +#define ETHTOOL_COALESCE_ALL_PARAMS GENMASK(23, 0) #define ETHTOOL_COALESCE_USECS \ (ETHTOOL_COALESCE_RX_USECS | ETHTOOL_COALESCE_TX_USECS) @@ -241,6 +245,8 @@ bool ethtool_convert_link_mode_to_legacy_u32(u32 *legacy_u32, ETHTOOL_COALESCE_RX_USECS_LOW | ETHTOOL_COALESCE_RX_USECS_HIGH | \ ETHTOOL_COALESCE_PKT_RATE_LOW | ETHTOOL_COALESCE_PKT_RATE_HIGH | \ ETHTOOL_COALESCE_RATE_SAMPLE_INTERVAL) +#define ETHTOOL_COALESCE_USE_CQE \ + (ETHTOOL_COALESCE_USE_CQE_RX | ETHTOOL_COALESCE_USE_CQE_TX) #define ETHTOOL_STAT_NOT_SET (~0ULL) @@ -401,12 +407,12 @@ struct ethtool_rmon_stats { * required information to the driver. */ struct ethtool_module_eeprom { - __u32 offset; - __u32 length; - __u8 page; - __u8 bank; - __u8 i2c_address; - __u8 *data; + u32 offset; + u32 length; + u8 page; + u8 bank; + u8 i2c_address; + u8 *data; }; /** @@ -606,8 +612,14 @@ struct ethtool_ops { struct ethtool_eeprom *, u8 *); int (*set_eeprom)(struct net_device *, struct ethtool_eeprom *, u8 *); - int (*get_coalesce)(struct net_device *, struct ethtool_coalesce *); - int (*set_coalesce)(struct net_device *, struct ethtool_coalesce *); + int (*get_coalesce)(struct net_device *, + struct ethtool_coalesce *, + struct kernel_ethtool_coalesce *, + struct netlink_ext_ack *); + int (*set_coalesce)(struct net_device *, + struct ethtool_coalesce *, + struct kernel_ethtool_coalesce *, + struct netlink_ext_ack *); void (*get_ringparam)(struct net_device *, struct ethtool_ringparam *); int (*set_ringparam)(struct net_device *, @@ -758,6 +770,16 @@ ethtool_params_from_link_mode(struct ethtool_link_ksettings *link_ksettings, enum ethtool_link_mode_bit_indices link_mode); /** + * ethtool_get_phc_vclocks - Derive phc vclocks information, and caller + * is responsible to free memory of vclock_index + * @dev: pointer to net_device structure + * @vclock_index: pointer to pointer of vclock index + * + * Return number of phc vclocks + */ +int ethtool_get_phc_vclocks(struct net_device *dev, int **vclock_index); + +/** * ethtool_sprintf - Write formatted string to ethtool string data * @data: Pointer to start of string to update * @fmt: Format of string to write diff --git a/include/linux/eventfd.h b/include/linux/eventfd.h index fa0a524baed0..305d5f19093b 100644 --- a/include/linux/eventfd.h +++ b/include/linux/eventfd.h @@ -14,6 +14,7 @@ #include <linux/err.h> #include <linux/percpu-defs.h> #include <linux/percpu.h> +#include <linux/sched.h> /* * CAREFUL: Check include/uapi/asm-generic/fcntl.h when defining @@ -43,11 +44,9 @@ int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, wait_queue_entry_t *w __u64 *cnt); void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt); -DECLARE_PER_CPU(int, eventfd_wake_count); - -static inline bool eventfd_signal_count(void) +static inline bool eventfd_signal_allowed(void) { - return this_cpu_read(eventfd_wake_count); + return !current->in_eventfd_signal; } #else /* CONFIG_EVENTFD */ @@ -78,9 +77,9 @@ static inline int eventfd_ctx_remove_wait_queue(struct eventfd_ctx *ctx, return -ENOSYS; } -static inline bool eventfd_signal_count(void) +static inline bool eventfd_signal_allowed(void) { - return false; + return true; } static inline void eventfd_ctx_do_read(struct eventfd_ctx *ctx, __u64 *cnt) diff --git a/include/linux/eventpoll.h b/include/linux/eventpoll.h index 593322c946e6..3337745d81bd 100644 --- a/include/linux/eventpoll.h +++ b/include/linux/eventpoll.h @@ -68,4 +68,22 @@ static inline void eventpoll_release(struct file *file) {} #endif +#if defined(CONFIG_ARM) && defined(CONFIG_OABI_COMPAT) +/* ARM OABI has an incompatible struct layout and needs a special handler */ +extern struct epoll_event __user * +epoll_put_uevent(__poll_t revents, __u64 data, + struct epoll_event __user *uevent); +#else +static inline struct epoll_event __user * +epoll_put_uevent(__poll_t revents, __u64 data, + struct epoll_event __user *uevent) +{ + if (__put_user(revents, &uevent->events) || + __put_user(data, &uevent->data)) + return NULL; + + return uevent+1; +} +#endif + #endif /* #ifndef _LINUX_EVENTPOLL_H */ diff --git a/include/linux/evm.h b/include/linux/evm.h index 8302bc29bb35..4c374be70247 100644 --- a/include/linux/evm.h +++ b/include/linux/evm.h @@ -23,18 +23,25 @@ extern enum integrity_status evm_verifyxattr(struct dentry *dentry, struct integrity_iint_cache *iint); extern int evm_inode_setattr(struct dentry *dentry, struct iattr *attr); extern void evm_inode_post_setattr(struct dentry *dentry, int ia_valid); -extern int evm_inode_setxattr(struct dentry *dentry, const char *name, +extern int evm_inode_setxattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name, const void *value, size_t size); extern void evm_inode_post_setxattr(struct dentry *dentry, const char *xattr_name, const void *xattr_value, size_t xattr_value_len); -extern int evm_inode_removexattr(struct dentry *dentry, const char *xattr_name); +extern int evm_inode_removexattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *xattr_name); extern void evm_inode_post_removexattr(struct dentry *dentry, const char *xattr_name); extern int evm_inode_init_security(struct inode *inode, const struct xattr *xattr_array, struct xattr *evm); +extern bool evm_revalidate_status(const char *xattr_name); +extern int evm_protected_xattr_if_enabled(const char *req_xattr_name); +extern int evm_read_protected_xattrs(struct dentry *dentry, u8 *buffer, + int buffer_size, char type, + bool canonical_fmt); #ifdef CONFIG_FS_POSIX_ACL extern int posix_xattr_acl(const char *xattrname); #else @@ -71,7 +78,8 @@ static inline void evm_inode_post_setattr(struct dentry *dentry, int ia_valid) return; } -static inline int evm_inode_setxattr(struct dentry *dentry, const char *name, +static inline int evm_inode_setxattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *name, const void *value, size_t size) { return 0; @@ -85,7 +93,8 @@ static inline void evm_inode_post_setxattr(struct dentry *dentry, return; } -static inline int evm_inode_removexattr(struct dentry *dentry, +static inline int evm_inode_removexattr(struct user_namespace *mnt_userns, + struct dentry *dentry, const char *xattr_name) { return 0; @@ -104,5 +113,22 @@ static inline int evm_inode_init_security(struct inode *inode, return 0; } +static inline bool evm_revalidate_status(const char *xattr_name) +{ + return false; +} + +static inline int evm_protected_xattr_if_enabled(const char *req_xattr_name) +{ + return false; +} + +static inline int evm_read_protected_xattrs(struct dentry *dentry, u8 *buffer, + int buffer_size, char type, + bool canonical_fmt) +{ + return -EOPNOTSUPP; +} + #endif /* CONFIG_EVM */ #endif /* LINUX_EVM_H */ diff --git a/include/linux/export.h b/include/linux/export.h index 6271a5d9c988..27d848712b90 100644 --- a/include/linux/export.h +++ b/include/linux/export.h @@ -140,7 +140,12 @@ struct kernel_symbol { #define ___cond_export_sym(sym, sec, ns, enabled) \ __cond_export_sym_##enabled(sym, sec, ns) #define __cond_export_sym_1(sym, sec, ns) ___EXPORT_SYMBOL(sym, sec, ns) + +#ifdef __GENKSYMS__ +#define __cond_export_sym_0(sym, sec, ns) __GENKSYMS_EXPORT_SYMBOL(sym) +#else #define __cond_export_sym_0(sym, sec, ns) /* nothing */ +#endif #else diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index fe848901fcc3..3260fe714846 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -221,6 +221,8 @@ struct export_operations { #define EXPORT_OP_NOATOMIC_ATTR (0x10) /* Filesystem cannot supply atomic attribute updates */ +#define EXPORT_OP_SYNC_LOCKS (0x20) /* Filesystem can't do + asychronous blocking locks */ unsigned long flags; }; diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index 5487a80617a3..d445150c5350 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -34,6 +34,7 @@ #define F2FS_ROOT_INO(sbi) ((sbi)->root_ino_num) #define F2FS_NODE_INO(sbi) ((sbi)->node_ino_num) #define F2FS_META_INO(sbi) ((sbi)->meta_ino_num) +#define F2FS_COMPRESS_INO(sbi) (NM_I(sbi)->max_nid) #define F2FS_MAX_QUOTAS 3 @@ -229,6 +230,7 @@ struct f2fs_extent { #define F2FS_INLINE_DOTS 0x10 /* file having implicit dot dentries */ #define F2FS_EXTRA_ATTR 0x20 /* file having extra attribute */ #define F2FS_PIN_FILE 0x40 /* file should not be gced */ +#define F2FS_COMPRESS_RELEASED 0x80 /* file released compressed blocks */ struct f2fs_inode { __le16 i_mode; /* file mode */ diff --git a/include/linux/fanotify.h b/include/linux/fanotify.h index a16dbeced152..eec3b7c40811 100644 --- a/include/linux/fanotify.h +++ b/include/linux/fanotify.h @@ -27,6 +27,8 @@ extern struct ctl_table fanotify_table[]; /* for sysctl */ #define FANOTIFY_FID_BITS (FAN_REPORT_FID | FAN_REPORT_DFID_NAME) +#define FANOTIFY_INFO_MODES (FANOTIFY_FID_BITS | FAN_REPORT_PIDFD) + /* * fanotify_init() flags that require CAP_SYS_ADMIN. * We do not allow unprivileged groups to request permission events. @@ -35,6 +37,7 @@ extern struct ctl_table fanotify_table[]; /* for sysctl */ */ #define FANOTIFY_ADMIN_INIT_FLAGS (FANOTIFY_PERM_CLASSES | \ FAN_REPORT_TID | \ + FAN_REPORT_PIDFD | \ FAN_UNLIMITED_QUEUE | \ FAN_UNLIMITED_MARKS) diff --git a/include/linux/fb.h b/include/linux/fb.h index ecfbcc0553a5..5950f8f5dc74 100644 --- a/include/linux/fb.h +++ b/include/linux/fb.h @@ -2,6 +2,7 @@ #ifndef _LINUX_FB_H #define _LINUX_FB_H +#include <linux/refcount.h> #include <linux/kgdb.h> #include <uapi/linux/fb.h> @@ -435,7 +436,7 @@ struct fb_tile_ops { struct fb_info { - atomic_t count; + refcount_t count; int node; int flags; /* diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h index 766fcd973beb..a332e79b3207 100644 --- a/include/linux/fcntl.h +++ b/include/linux/fcntl.h @@ -12,10 +12,6 @@ FASYNC | O_DIRECT | O_LARGEFILE | O_DIRECTORY | O_NOFOLLOW | \ O_NOATIME | O_CLOEXEC | O_PATH | __O_TMPFILE) -/* List of all valid flags for the how->upgrade_mask argument: */ -#define VALID_UPGRADE_FLAGS \ - (UPGRADE_NOWRITE | UPGRADE_NOREAD) - /* List of all valid flags for the how->resolve argument: */ #define VALID_RESOLVE_FLAGS \ (RESOLVE_NO_XDEV | RESOLVE_NO_MAGICLINKS | RESOLVE_NO_SYMLINKS | \ diff --git a/include/linux/fiemap.h b/include/linux/fiemap.h index 4e624c466583..c50882f19235 100644 --- a/include/linux/fiemap.h +++ b/include/linux/fiemap.h @@ -18,8 +18,4 @@ int fiemap_prep(struct inode *inode, struct fiemap_extent_info *fieinfo, int fiemap_fill_next_extent(struct fiemap_extent_info *info, u64 logical, u64 phys, u64 len, u32 flags); -int generic_block_fiemap(struct inode *inode, - struct fiemap_extent_info *fieinfo, u64 start, u64 len, - get_block_t *get_block); - #endif /* _LINUX_FIEMAP_H 1 */ diff --git a/include/linux/file.h b/include/linux/file.h index 2de2e4613d7b..51e830b4fe3a 100644 --- a/include/linux/file.h +++ b/include/linux/file.h @@ -94,6 +94,9 @@ extern void fd_install(unsigned int fd, struct file *file); extern int __receive_fd(struct file *file, int __user *ufd, unsigned int o_flags); + +extern int receive_fd(struct file *file, unsigned int o_flags); + static inline int receive_fd_user(struct file *file, int __user *ufd, unsigned int o_flags) { @@ -101,10 +104,6 @@ static inline int receive_fd_user(struct file *file, int __user *ufd, return -EFAULT; return __receive_fd(file, ufd, o_flags); } -static inline int receive_fd(struct file *file, unsigned int o_flags) -{ - return __receive_fd(file, NULL, o_flags); -} int receive_fd_replace(int new_fd, struct file *file, unsigned int o_flags); extern void flush_delayed_fput(void); diff --git a/include/linux/filter.h b/include/linux/filter.h index 9a09547bc7ba..ef03ff34234d 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -5,8 +5,6 @@ #ifndef __LINUX_FILTER_H__ #define __LINUX_FILTER_H__ -#include <stdarg.h> - #include <linux/atomic.h> #include <linux/refcount.h> #include <linux/compat.h> @@ -73,6 +71,11 @@ struct ctl_table_header; /* unused opcode to mark call to interpreter with arguments */ #define BPF_CALL_ARGS 0xe0 +/* unused opcode to mark speculation barrier for mitigating + * Speculative Store Bypass + */ +#define BPF_NOSPEC 0xc0 + /* As per nm, we expose JITed images as text (code) section for * kallsyms. That way, tools like perf can find it to match * addresses. @@ -390,6 +393,16 @@ static inline bool insn_is_zext(const struct bpf_insn *insn) .off = 0, \ .imm = 0 }) +/* Speculation barrier */ + +#define BPF_ST_NOSPEC() \ + ((struct bpf_insn) { \ + .code = BPF_ST | BPF_NOSPEC, \ + .dst_reg = 0, \ + .src_reg = 0, \ + .off = 0, \ + .imm = 0 }) + /* Internal classic blocks for direct assignment */ #define __BPF_STMT(CODE, K) \ @@ -559,7 +572,8 @@ struct bpf_prog { kprobe_override:1, /* Do we override a kprobe? */ has_callchain_buf:1, /* callchain buffer allocated? */ enforce_expected_attach_type:1, /* Enforce expected_attach_type checking at attach time */ - call_get_stack:1; /* Do we call bpf_get_stack() or bpf_get_stackid() */ + call_get_stack:1, /* Do we call bpf_get_stack() or bpf_get_stackid() */ + call_get_func_ip:1; /* Do we call get_func_ip() */ enum bpf_prog_type type; /* Type of BPF program */ enum bpf_attach_type expected_attach_type; /* For some prog types */ u32 len; /* Number of filter blocks */ @@ -584,25 +598,38 @@ struct sk_filter { DECLARE_STATIC_KEY_FALSE(bpf_stats_enabled_key); -#define __BPF_PROG_RUN(prog, ctx, dfunc) ({ \ - u32 __ret; \ - cant_migrate(); \ - if (static_branch_unlikely(&bpf_stats_enabled_key)) { \ - struct bpf_prog_stats *__stats; \ - u64 __start = sched_clock(); \ - __ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \ - __stats = this_cpu_ptr(prog->stats); \ - u64_stats_update_begin(&__stats->syncp); \ - __stats->cnt++; \ - __stats->nsecs += sched_clock() - __start; \ - u64_stats_update_end(&__stats->syncp); \ - } else { \ - __ret = dfunc(ctx, (prog)->insnsi, (prog)->bpf_func); \ - } \ - __ret; }) - -#define BPF_PROG_RUN(prog, ctx) \ - __BPF_PROG_RUN(prog, ctx, bpf_dispatcher_nop_func) +typedef unsigned int (*bpf_dispatcher_fn)(const void *ctx, + const struct bpf_insn *insnsi, + unsigned int (*bpf_func)(const void *, + const struct bpf_insn *)); + +static __always_inline u32 __bpf_prog_run(const struct bpf_prog *prog, + const void *ctx, + bpf_dispatcher_fn dfunc) +{ + u32 ret; + + cant_migrate(); + if (static_branch_unlikely(&bpf_stats_enabled_key)) { + struct bpf_prog_stats *stats; + u64 start = sched_clock(); + + ret = dfunc(ctx, prog->insnsi, prog->bpf_func); + stats = this_cpu_ptr(prog->stats); + u64_stats_update_begin(&stats->syncp); + stats->cnt++; + stats->nsecs += sched_clock() - start; + u64_stats_update_end(&stats->syncp); + } else { + ret = dfunc(ctx, prog->insnsi, prog->bpf_func); + } + return ret; +} + +static __always_inline u32 bpf_prog_run(const struct bpf_prog *prog, const void *ctx) +{ + return __bpf_prog_run(prog, ctx, bpf_dispatcher_nop_func); +} /* * Use in preemptible and therefore migratable context to make sure that @@ -621,7 +648,7 @@ static inline u32 bpf_prog_run_pin_on_cpu(const struct bpf_prog *prog, u32 ret; migrate_disable(); - ret = __BPF_PROG_RUN(prog, ctx, bpf_dispatcher_nop_func); + ret = bpf_prog_run(prog, ctx); migrate_enable(); return ret; } @@ -646,6 +673,7 @@ struct bpf_redirect_info { u32 flags; u32 tgt_index; void *tgt_value; + struct bpf_map *map; u32 map_id; enum bpf_map_type map_type; u32 kern_flags; @@ -693,7 +721,7 @@ static inline void bpf_restore_data_end( cb->data_end = saved_data_end; } -static inline u8 *bpf_skb_cb(struct sk_buff *skb) +static inline u8 *bpf_skb_cb(const struct sk_buff *skb) { /* eBPF programs may read/write skb->cb[] area to transfer meta * data between tail calls. Since this also needs to work with @@ -714,8 +742,9 @@ static inline u8 *bpf_skb_cb(struct sk_buff *skb) /* Must be invoked with migration disabled */ static inline u32 __bpf_prog_run_save_cb(const struct bpf_prog *prog, - struct sk_buff *skb) + const void *ctx) { + const struct sk_buff *skb = ctx; u8 *cb_data = bpf_skb_cb(skb); u8 cb_saved[BPF_SKB_CB_LEN]; u32 res; @@ -725,7 +754,7 @@ static inline u32 __bpf_prog_run_save_cb(const struct bpf_prog *prog, memset(cb_data, 0, sizeof(cb_saved)); } - res = BPF_PROG_RUN(prog, skb); + res = bpf_prog_run(prog, skb); if (unlikely(prog->cb_access)) memcpy(cb_data, cb_saved, sizeof(cb_saved)); @@ -759,16 +788,25 @@ static inline u32 bpf_prog_run_clear_cb(const struct bpf_prog *prog, DECLARE_BPF_DISPATCHER(xdp) +DECLARE_STATIC_KEY_FALSE(bpf_master_redirect_enabled_key); + +u32 xdp_master_redirect(struct xdp_buff *xdp); + static __always_inline u32 bpf_prog_run_xdp(const struct bpf_prog *prog, struct xdp_buff *xdp) { - /* Caller needs to hold rcu_read_lock() (!), otherwise program - * can be released while still running, or map elements could be - * freed early while still having concurrent users. XDP fastpath - * already takes rcu_read_lock() when fetching the program, so - * it's not necessary here anymore. + /* Driver XDP hooks are invoked within a single NAPI poll cycle and thus + * under local_bh_disable(), which provides the needed RCU protection + * for accessing map entries. */ - return __BPF_PROG_RUN(prog, xdp, BPF_DISPATCHER_FUNC(xdp)); + u32 act = __bpf_prog_run(prog, xdp, BPF_DISPATCHER_FUNC(xdp)); + + if (static_branch_unlikely(&bpf_master_redirect_enabled_key)) { + if (act == XDP_TX && netif_is_bond_slave(xdp->rxq->dev)) + act = xdp_master_redirect(xdp); + } + + return act; } void bpf_prog_change_xdp(struct bpf_prog *prev_prog, struct bpf_prog *prog); @@ -995,11 +1033,13 @@ void bpf_warn_invalid_xdp_action(u32 act); #ifdef CONFIG_INET struct sock *bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk, struct bpf_prog *prog, struct sk_buff *skb, + struct sock *migrating_sk, u32 hash); #else static inline struct sock * bpf_run_sk_reuseport(struct sock_reuseport *reuse, struct sock *sk, struct bpf_prog *prog, struct sk_buff *skb, + struct sock *migrating_sk, u32 hash) { return NULL; @@ -1011,6 +1051,7 @@ extern int bpf_jit_enable; extern int bpf_jit_harden; extern int bpf_jit_kallsyms; extern long bpf_jit_limit; +extern long bpf_jit_limit_max; typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size); @@ -1412,7 +1453,7 @@ static inline bool bpf_sk_lookup_run_v4(struct net *net, int protocol, }; u32 act; - act = BPF_PROG_SK_LOOKUP_RUN_ARRAY(run_array, ctx, BPF_PROG_RUN); + act = BPF_PROG_SK_LOOKUP_RUN_ARRAY(run_array, ctx, bpf_prog_run); if (act == SK_PASS) { selected_sk = ctx.selected_sk; no_reuseport = ctx.no_reuseport; @@ -1450,7 +1491,7 @@ static inline bool bpf_sk_lookup_run_v6(struct net *net, int protocol, }; u32 act; - act = BPF_PROG_SK_LOOKUP_RUN_ARRAY(run_array, ctx, BPF_PROG_RUN); + act = BPF_PROG_SK_LOOKUP_RUN_ARRAY(run_array, ctx, bpf_prog_run); if (act == SK_PASS) { selected_sk = ctx.selected_sk; no_reuseport = ctx.no_reuseport; @@ -1464,17 +1505,19 @@ static inline bool bpf_sk_lookup_run_v6(struct net *net, int protocol, } #endif /* IS_ENABLED(CONFIG_IPV6) */ -static __always_inline int __bpf_xdp_redirect_map(struct bpf_map *map, u32 ifindex, u64 flags, +static __always_inline int __bpf_xdp_redirect_map(struct bpf_map *map, u32 ifindex, + u64 flags, const u64 flag_mask, void *lookup_elem(struct bpf_map *map, u32 key)) { struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info); + const u64 action_mask = XDP_ABORTED | XDP_DROP | XDP_PASS | XDP_TX; /* Lower bits of the flags are used as return code on lookup failure */ - if (unlikely(flags > XDP_TX)) + if (unlikely(flags & ~(action_mask | flag_mask))) return XDP_ABORTED; ri->tgt_value = lookup_elem(map, ifindex); - if (unlikely(!ri->tgt_value)) { + if (unlikely(!ri->tgt_value) && !(flags & BPF_F_BROADCAST)) { /* If the lookup fails we want to clear out the state in the * redirect_info struct completely, so that if an eBPF program * performs multiple lookups, the last one always takes @@ -1482,13 +1525,21 @@ static __always_inline int __bpf_xdp_redirect_map(struct bpf_map *map, u32 ifind */ ri->map_id = INT_MAX; /* Valid map id idr range: [1,INT_MAX[ */ ri->map_type = BPF_MAP_TYPE_UNSPEC; - return flags; + return flags & action_mask; } ri->tgt_index = ifindex; ri->map_id = map->id; ri->map_type = map->map_type; + if (flags & BPF_F_BROADCAST) { + WRITE_ONCE(ri->map, map); + ri->flags = flags; + } else { + WRITE_ONCE(ri->map, NULL); + ri->flags = 0; + } + return XDP_REDIRECT; } diff --git a/include/linux/firmware.h b/include/linux/firmware.h index 84e346ae766e..25109192cebe 100644 --- a/include/linux/firmware.h +++ b/include/linux/firmware.h @@ -6,8 +6,8 @@ #include <linux/compiler.h> #include <linux/gfp.h> -#define FW_ACTION_NOHOTPLUG 0 -#define FW_ACTION_HOTPLUG 1 +#define FW_ACTION_NOUEVENT 0 +#define FW_ACTION_UEVENT 1 struct firmware { size_t size; diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 9d1a5c175065..56b426fe020c 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -52,6 +52,10 @@ #define ZYNQMP_PM_CAPABILITY_WAKEUP 0x4U #define ZYNQMP_PM_CAPABILITY_UNUSABLE 0x8U +/* Loader commands */ +#define PM_LOAD_PDI 0x701 +#define PDI_SRC_DDR 0xF + /* * Firmware FPGA Manager flags * XILINX_ZYNQMP_PM_FPGA_FULL: FPGA full reconfiguration @@ -411,6 +415,7 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param, u32 *value); int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, u32 value); +int zynqmp_pm_load_pdi(const u32 src, const u64 address); #else static inline int zynqmp_pm_get_api_version(u32 *version) { @@ -622,6 +627,11 @@ static inline int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, { return -ENODEV; } + +static inline int zynqmp_pm_load_pdi(const u32 src, const u64 address) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */ diff --git a/include/linux/fpga/altera-pr-ip-core.h b/include/linux/fpga/altera-pr-ip-core.h index 0b08ac20ab16..a6b4c07858cc 100644 --- a/include/linux/fpga/altera-pr-ip-core.h +++ b/include/linux/fpga/altera-pr-ip-core.h @@ -13,6 +13,5 @@ #include <linux/io.h> int alt_pr_register(struct device *dev, void __iomem *reg_base); -void alt_pr_unregister(struct device *dev); #endif /* _ALT_PR_IP_CORE_H */ diff --git a/include/linux/fpga/fpga-bridge.h b/include/linux/fpga/fpga-bridge.h index 817600a32c93..6c3c28806ff1 100644 --- a/include/linux/fpga/fpga-bridge.h +++ b/include/linux/fpga/fpga-bridge.h @@ -11,7 +11,7 @@ struct fpga_bridge; /** * struct fpga_bridge_ops - ops for low level FPGA bridge drivers * @enable_show: returns the FPGA bridge's status - * @enable_set: set a FPGA bridge as enabled or disabled + * @enable_set: set an FPGA bridge as enabled or disabled * @fpga_bridge_remove: set FPGA into a specific state during driver remove * @groups: optional attribute groups. */ diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h index 2bc3030a69e5..474c1f506307 100644 --- a/include/linux/fpga/fpga-mgr.h +++ b/include/linux/fpga/fpga-mgr.h @@ -75,7 +75,7 @@ enum fpga_mgr_states { #define FPGA_MGR_COMPRESSED_BITSTREAM BIT(4) /** - * struct fpga_image_info - information specific to a FPGA image + * struct fpga_image_info - information specific to an FPGA image * @flags: boolean flags as defined above * @enable_timeout_us: maximum time to enable traffic through bridge (uSec) * @disable_timeout_us: maximum time to disable traffic through bridge (uSec) @@ -110,7 +110,7 @@ struct fpga_image_info { * @initial_header_size: Maximum number of bytes that should be passed into write_init * @state: returns an enum value of the FPGA's state * @status: returns status of the FPGA, including reconfiguration error code - * @write_init: prepare the FPGA to receive confuration data + * @write_init: prepare the FPGA to receive configuration data * @write: write count bytes of configuration data to the FPGA * @write_sg: write the scatter list of configuration data to the FPGA * @write_complete: set FPGA to operating state after writing is done diff --git a/include/linux/fs.h b/include/linux/fs.h index c3c88fdb9b2a..e7a633353fd2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -319,6 +319,8 @@ enum rw_hint { /* iocb->ki_waitq is valid */ #define IOCB_WAITQ (1 << 19) #define IOCB_NOIO (1 << 20) +/* can use bio alloc cache */ +#define IOCB_ALLOC_CACHE (1 << 21) struct kiocb { struct file *ki_filp; @@ -436,6 +438,10 @@ int pagecache_write_end(struct file *, struct address_space *mapping, * struct address_space - Contents of a cacheable, mappable object. * @host: Owner, either the inode or the block_device. * @i_pages: Cached pages. + * @invalidate_lock: Guards coherency between page cache contents and + * file offset->disk block mappings in the filesystem during invalidates. + * It is also used to block modification of page cache contents through + * memory mappings. * @gfp_mask: Memory allocation flags to use for allocating pages. * @i_mmap_writable: Number of VM_SHARED mappings. * @nr_thps: Number of THPs in the pagecache (non-shmem only). @@ -453,6 +459,7 @@ int pagecache_write_end(struct file *, struct address_space *mapping, struct address_space { struct inode *host; struct xarray i_pages; + struct rw_semaphore invalidate_lock; gfp_t gfp_mask; atomic_t i_mmap_writable; #ifdef CONFIG_READ_ONLY_THP_FOR_FS @@ -581,6 +588,11 @@ static inline void mapping_allow_writable(struct address_space *mapping) struct posix_acl; #define ACL_NOT_CACHED ((void *)(-1)) +/* + * ACL_DONT_CACHE is for stacked filesystems, that rely on underlying fs to + * cache the ACL. This also means that ->get_acl() can be called in RCU mode + * with the LOOKUP_RCU flag. + */ #define ACL_DONT_CACHE ((void *)(-3)) static inline struct posix_acl * @@ -814,9 +826,42 @@ static inline void inode_lock_shared_nested(struct inode *inode, unsigned subcla down_read_nested(&inode->i_rwsem, subclass); } +static inline void filemap_invalidate_lock(struct address_space *mapping) +{ + down_write(&mapping->invalidate_lock); +} + +static inline void filemap_invalidate_unlock(struct address_space *mapping) +{ + up_write(&mapping->invalidate_lock); +} + +static inline void filemap_invalidate_lock_shared(struct address_space *mapping) +{ + down_read(&mapping->invalidate_lock); +} + +static inline int filemap_invalidate_trylock_shared( + struct address_space *mapping) +{ + return down_read_trylock(&mapping->invalidate_lock); +} + +static inline void filemap_invalidate_unlock_shared( + struct address_space *mapping) +{ + up_read(&mapping->invalidate_lock); +} + void lock_two_nondirectories(struct inode *, struct inode*); void unlock_two_nondirectories(struct inode *, struct inode*); +void filemap_invalidate_lock_two(struct address_space *mapping1, + struct address_space *mapping2); +void filemap_invalidate_unlock_two(struct address_space *mapping1, + struct address_space *mapping2); + + /* * NOTE: in a 32bit arch with a preemptable kernel and * an UP compile the i_size_read/write must be atomic @@ -997,6 +1042,7 @@ static inline struct file *get_file(struct file *f) #define FL_UNLOCK_PENDING 512 /* Lease is being broken */ #define FL_OFDLCK 1024 /* lock is "owned" by struct file */ #define FL_LAYOUT 2048 /* outstanding pNFS layout */ +#define FL_RECLAIM 4096 /* reclaiming from a reboot server */ #define FL_CLOSE_POSIX (FL_POSIX | FL_CLOSE) @@ -1507,8 +1553,11 @@ struct super_block { /* Number of inodes with nlink == 0 but still referenced */ atomic_long_t s_remove_count; - /* Pending fsnotify inode refs */ - atomic_long_t s_fsnotify_inode_refs; + /* + * Number of inode/mount/sb objects that are being watched, note that + * inodes objects are currently double-accounted. + */ + atomic_long_t s_fsnotify_connectors; /* Being remounted read-only */ int s_readonly_remount; @@ -2065,7 +2114,7 @@ struct inode_operations { struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int); const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *); int (*permission) (struct user_namespace *, struct inode *, int); - struct posix_acl * (*get_acl)(struct inode *, int); + struct posix_acl * (*get_acl)(struct inode *, int, bool); int (*readlink) (struct dentry *, char __user *,int); @@ -2171,7 +2220,6 @@ struct super_operations { ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); struct dquot **(*get_dquots)(struct inode *); #endif - int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); long (*nr_cached_objects)(struct super_block *, struct shrink_control *); long (*free_cached_objects)(struct super_block *, @@ -2458,7 +2506,6 @@ static inline void file_accessed(struct file *file) extern int file_modified(struct file *file); -int sync_inode(struct inode *inode, struct writeback_control *wbc); int sync_inode_metadata(struct inode *inode, int wait); struct file_system_type { @@ -2488,6 +2535,7 @@ struct file_system_type { struct lock_class_key i_lock_key; struct lock_class_key i_mutex_key; + struct lock_class_key invalidate_lock_key; struct lock_class_key i_mutex_dir_key; }; @@ -2571,90 +2619,6 @@ extern struct kobject *fs_kobj; #define MAX_RW_COUNT (INT_MAX & PAGE_MASK) -#ifdef CONFIG_MANDATORY_FILE_LOCKING -extern int locks_mandatory_locked(struct file *); -extern int locks_mandatory_area(struct inode *, struct file *, loff_t, loff_t, unsigned char); - -/* - * Candidates for mandatory locking have the setgid bit set - * but no group execute bit - an otherwise meaningless combination. - */ - -static inline int __mandatory_lock(struct inode *ino) -{ - return (ino->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID; -} - -/* - * ... and these candidates should be on SB_MANDLOCK mounted fs, - * otherwise these will be advisory locks - */ - -static inline int mandatory_lock(struct inode *ino) -{ - return IS_MANDLOCK(ino) && __mandatory_lock(ino); -} - -static inline int locks_verify_locked(struct file *file) -{ - if (mandatory_lock(locks_inode(file))) - return locks_mandatory_locked(file); - return 0; -} - -static inline int locks_verify_truncate(struct inode *inode, - struct file *f, - loff_t size) -{ - if (!inode->i_flctx || !mandatory_lock(inode)) - return 0; - - if (size < inode->i_size) { - return locks_mandatory_area(inode, f, size, inode->i_size - 1, - F_WRLCK); - } else { - return locks_mandatory_area(inode, f, inode->i_size, size - 1, - F_WRLCK); - } -} - -#else /* !CONFIG_MANDATORY_FILE_LOCKING */ - -static inline int locks_mandatory_locked(struct file *file) -{ - return 0; -} - -static inline int locks_mandatory_area(struct inode *inode, struct file *filp, - loff_t start, loff_t end, unsigned char type) -{ - return 0; -} - -static inline int __mandatory_lock(struct inode *inode) -{ - return 0; -} - -static inline int mandatory_lock(struct inode *inode) -{ - return 0; -} - -static inline int locks_verify_locked(struct file *file) -{ - return 0; -} - -static inline int locks_verify_truncate(struct inode *inode, struct file *filp, - size_t size) -{ - return 0; -} - -#endif /* CONFIG_MANDATORY_FILE_LOCKING */ - - #ifdef CONFIG_FILE_LOCKING static inline int break_lease(struct inode *inode, unsigned int mode) { @@ -2769,8 +2733,14 @@ extern long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode); extern struct file *file_open_name(struct filename *, int, umode_t); extern struct file *filp_open(const char *, int, umode_t); -extern struct file *file_open_root(struct dentry *, struct vfsmount *, +extern struct file *file_open_root(const struct path *, const char *, int, umode_t); +static inline struct file *file_open_root_mnt(struct vfsmount *mnt, + const char *name, int flags, umode_t mode) +{ + return file_open_root(&(struct path){.mnt = mnt, .dentry = mnt->mnt_root}, + name, flags, mode); +} extern struct file * dentry_open(const struct path *, int, const struct cred *); extern struct file * open_with_fake_path(const struct path *, int, struct inode*, const struct cred *); @@ -2781,6 +2751,7 @@ static inline struct file *file_clone_open(struct file *file) extern int filp_close(struct file *, fl_owner_t id); extern struct filename *getname_flags(const char __user *, int, int *); +extern struct filename *getname_uflags(const char __user *, int); extern struct filename *getname(const char __user *); extern struct filename *getname_kernel(const char *); extern void putname(struct filename *name); @@ -2886,6 +2857,8 @@ extern int filemap_fdatawrite_range(struct address_space *mapping, loff_t start, loff_t end); extern int filemap_check_errors(struct address_space *mapping); extern void __filemap_set_wb_err(struct address_space *mapping, int err); +int filemap_fdatawrite_wbc(struct address_space *mapping, + struct writeback_control *wbc); static inline int filemap_write_and_wait(struct address_space *mapping) { @@ -3050,15 +3023,20 @@ static inline void file_end_write(struct file *file) } /* + * This is used for regular files where some users -- especially the + * currently executed binary in a process, previously handled via + * VM_DENYWRITE -- cannot handle concurrent write (and maybe mmap + * read-write shared) accesses. + * * get_write_access() gets write permission for a file. * put_write_access() releases this write permission. - * This is used for regular files. - * We cannot support write (and maybe mmap read-write shared) accesses and - * MAP_DENYWRITE mmappings simultaneously. The i_writecount field of an inode - * can have the following values: - * 0: no writers, no VM_DENYWRITE mappings - * < 0: (-i_writecount) vm_area_structs with VM_DENYWRITE set exist - * > 0: (i_writecount) users are writing to the file. + * deny_write_access() denies write access to a file. + * allow_write_access() re-enables write access to a file. + * + * The i_writecount field of an inode can have the following values: + * 0: no write access, no denied write access + * < 0: (-i_writecount) users that denied write access to the file. + * > 0: (i_writecount) users that have write access to the file. * * Normally we operate on that counter with atomic_{inc,dec} and it's safe * except for the cases where we don't hold i_writecount yet. Then we need to @@ -3241,13 +3219,6 @@ ssize_t vfs_iocb_iter_read(struct file *file, struct kiocb *iocb, ssize_t vfs_iocb_iter_write(struct file *file, struct kiocb *iocb, struct iov_iter *iter); -/* fs/block_dev.c */ -extern ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to); -extern ssize_t blkdev_write_iter(struct kiocb *iocb, struct iov_iter *from); -extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end, - int datasync); -extern void block_sync_page(struct page *page); - /* fs/splice.c */ extern ssize_t generic_file_splice_read(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int); @@ -3353,6 +3324,7 @@ extern int page_symlink(struct inode *inode, const char *symname, int len); extern const struct inode_operations page_symlink_inode_operations; extern void kfree_link(void *); void generic_fillattr(struct user_namespace *, struct inode *, struct kstat *); +void generic_fill_statx_attr(struct inode *inode, struct kstat *stat); extern int vfs_getattr_nosec(const struct path *, struct kstat *, u32, unsigned int); extern int vfs_getattr(const struct path *, struct kstat *, u32, unsigned int); void __inode_add_bytes(struct inode *inode, loff_t bytes); @@ -3417,18 +3389,14 @@ extern int simple_rename(struct user_namespace *, struct inode *, extern void simple_recursive_removal(struct dentry *, void (*callback)(struct dentry *)); extern int noop_fsync(struct file *, loff_t, loff_t, int); -extern int noop_set_page_dirty(struct page *page); extern void noop_invalidatepage(struct page *page, unsigned int offset, unsigned int length); extern ssize_t noop_direct_IO(struct kiocb *iocb, struct iov_iter *iter); extern int simple_empty(struct dentry *); -extern int simple_readpage(struct file *file, struct page *page); extern int simple_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata); -extern int simple_write_end(struct file *file, struct address_space *mapping, - loff_t pos, unsigned len, unsigned copied, - struct page *page, void *fsdata); +extern const struct address_space_operations ram_aops; extern int always_delete_dentry(const struct dentry *); extern struct inode *alloc_anon_inode(struct super_block *); extern int simple_nosetlease(struct file *, long, struct file_lock **, void **); @@ -3471,6 +3439,8 @@ extern int buffer_migrate_page_norefs(struct address_space *, #define buffer_migrate_page_norefs NULL #endif +int may_setattr(struct user_namespace *mnt_userns, struct inode *inode, + unsigned int ia_valid); int setattr_prepare(struct user_namespace *, struct dentry *, struct iattr *); extern int inode_newsize_ok(const struct inode *, loff_t offset); void setattr_copy(struct user_namespace *, struct inode *inode, @@ -3624,7 +3594,7 @@ int proc_nr_dentry(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos); int proc_nr_inodes(struct ctl_table *table, int write, void *buffer, size_t *lenp, loff_t *ppos); -int __init get_filesystem_list(char *buf); +int __init list_bdev_fs_names(char *buf, size_t size); #define __FMODE_EXEC ((__force int) FMODE_EXEC) #define __FMODE_NONOTIFY ((__force int) FMODE_NONOTIFY) diff --git a/include/linux/fs_context.h b/include/linux/fs_context.h index 37e1e8f7f08d..6b54982fc5f3 100644 --- a/include/linux/fs_context.h +++ b/include/linux/fs_context.h @@ -139,6 +139,9 @@ extern int vfs_parse_fs_string(struct fs_context *fc, const char *key, extern int generic_parse_monolithic(struct fs_context *fc, void *data); extern int vfs_get_tree(struct fs_context *fc); extern void put_fs_context(struct fs_context *fc); +extern int vfs_parse_fs_param_source(struct fs_context *fc, + struct fs_parameter *param); +extern void fc_drop_locked(struct fs_context *fc); /* * sget() wrappers to be called from the ->get_tree() op. diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h index 3235ddbdcc09..8d39491c5f9f 100644 --- a/include/linux/fscache-cache.h +++ b/include/linux/fscache-cache.h @@ -147,7 +147,6 @@ struct fscache_retrieval { fscache_rw_complete_t end_io_func; /* function to call on I/O completion */ void *context; /* netfs read context (pinned) */ struct list_head to_do; /* list of things to be done by the backend */ - unsigned long start_time; /* time at which retrieval started */ atomic_t n_pages; /* number of pages to be retrieved */ }; @@ -385,9 +384,6 @@ struct fscache_object { struct list_head dependents; /* FIFO of dependent objects */ struct list_head dep_link; /* link in parent's dependents list */ struct list_head pending_ops; /* unstarted operations on this object */ -#ifdef CONFIG_FSCACHE_OBJECT_LIST - struct rb_node objlist_link; /* link in global object list */ -#endif pgoff_t store_limit; /* current storage limit */ loff_t store_limit_l; /* current storage limit */ }; diff --git a/include/linux/fscache.h b/include/linux/fscache.h index abc1c4737fb8..a4dab5998613 100644 --- a/include/linux/fscache.h +++ b/include/linux/fscache.h @@ -123,15 +123,17 @@ struct fscache_netfs { * - indices are created on disk just-in-time */ struct fscache_cookie { - atomic_t usage; /* number of users of this cookie */ + refcount_t ref; /* number of users of this cookie */ atomic_t n_children; /* number of children of this cookie */ atomic_t n_active; /* number of active users of netfs ptrs */ + unsigned int debug_id; spinlock_t lock; spinlock_t stores_lock; /* lock on page store tree */ struct hlist_head backing_objects; /* object(s) backing this file/index */ const struct fscache_cookie_def *def; /* definition */ struct fscache_cookie *parent; /* parent of this entry */ struct hlist_bl_node hash_link; /* Link in hash table */ + struct list_head proc_link; /* Link in proc list */ void *netfs_data; /* back pointer to netfs */ struct radix_tree_root stores; /* pages to be stored on this cookie */ #define FSCACHE_COOKIE_PENDING_TAG 0 /* pages tag: pending write to cache */ diff --git a/include/linux/fscrypt.h b/include/linux/fscrypt.h index 2ea1387bb497..e912ed9141d9 100644 --- a/include/linux/fscrypt.h +++ b/include/linux/fscrypt.h @@ -47,27 +47,128 @@ struct fscrypt_name { #define FSCRYPT_SET_CONTEXT_MAX_SIZE 40 #ifdef CONFIG_FS_ENCRYPTION + /* - * fscrypt superblock flags + * If set, the fscrypt bounce page pool won't be allocated (unless another + * filesystem needs it). Set this if the filesystem always uses its own bounce + * pages for writes and therefore won't need the fscrypt bounce page pool. */ #define FS_CFLG_OWN_PAGES (1U << 1) -/* - * crypto operations for filesystems - */ +/* Crypto operations for filesystems */ struct fscrypt_operations { + + /* Set of optional flags; see above for allowed flags */ unsigned int flags; + + /* + * If set, this is a filesystem-specific key description prefix that + * will be accepted for "logon" keys for v1 fscrypt policies, in + * addition to the generic prefix "fscrypt:". This functionality is + * deprecated, so new filesystems shouldn't set this field. + */ const char *key_prefix; + + /* + * Get the fscrypt context of the given inode. + * + * @inode: the inode whose context to get + * @ctx: the buffer into which to get the context + * @len: length of the @ctx buffer in bytes + * + * Return: On success, returns the length of the context in bytes; this + * may be less than @len. On failure, returns -ENODATA if the + * inode doesn't have a context, -ERANGE if the context is + * longer than @len, or another -errno code. + */ int (*get_context)(struct inode *inode, void *ctx, size_t len); + + /* + * Set an fscrypt context on the given inode. + * + * @inode: the inode whose context to set. The inode won't already have + * an fscrypt context. + * @ctx: the context to set + * @len: length of @ctx in bytes (at most FSCRYPT_SET_CONTEXT_MAX_SIZE) + * @fs_data: If called from fscrypt_set_context(), this will be the + * value the filesystem passed to fscrypt_set_context(). + * Otherwise (i.e. when called from + * FS_IOC_SET_ENCRYPTION_POLICY) this will be NULL. + * + * i_rwsem will be held for write. + * + * Return: 0 on success, -errno on failure. + */ int (*set_context)(struct inode *inode, const void *ctx, size_t len, void *fs_data); + + /* + * Get the dummy fscrypt policy in use on the filesystem (if any). + * + * Filesystems only need to implement this function if they support the + * test_dummy_encryption mount option. + * + * Return: A pointer to the dummy fscrypt policy, if the filesystem is + * mounted with test_dummy_encryption; otherwise NULL. + */ const union fscrypt_policy *(*get_dummy_policy)(struct super_block *sb); + + /* + * Check whether a directory is empty. i_rwsem will be held for write. + */ bool (*empty_dir)(struct inode *inode); + + /* The filesystem's maximum ciphertext filename length, in bytes */ unsigned int max_namelen; + + /* + * Check whether the filesystem's inode numbers and UUID are stable, + * meaning that they will never be changed even by offline operations + * such as filesystem shrinking and therefore can be used in the + * encryption without the possibility of files becoming unreadable. + * + * Filesystems only need to implement this function if they want to + * support the FSCRYPT_POLICY_FLAG_IV_INO_LBLK_{32,64} flags. These + * flags are designed to work around the limitations of UFS and eMMC + * inline crypto hardware, and they shouldn't be used in scenarios where + * such hardware isn't being used. + * + * Leaving this NULL is equivalent to always returning false. + */ bool (*has_stable_inodes)(struct super_block *sb); + + /* + * Get the number of bits that the filesystem uses to represent inode + * numbers and file logical block numbers. + * + * By default, both of these are assumed to be 64-bit. This function + * can be implemented to declare that either or both of these numbers is + * shorter, which may allow the use of the + * FSCRYPT_POLICY_FLAG_IV_INO_LBLK_{32,64} flags and/or the use of + * inline crypto hardware whose maximum DUN length is less than 64 bits + * (e.g., eMMC v5.2 spec compliant hardware). This function only needs + * to be implemented if support for one of these features is needed. + */ void (*get_ino_and_lblk_bits)(struct super_block *sb, int *ino_bits_ret, int *lblk_bits_ret); + + /* + * Return the number of block devices to which the filesystem may write + * encrypted file contents. + * + * If the filesystem can use multiple block devices (other than block + * devices that aren't used for encrypted file contents, such as + * external journal devices), and wants to support inline encryption, + * then it must implement this function. Otherwise it's not needed. + */ int (*get_num_devices)(struct super_block *sb); + + /* + * If ->get_num_devices() returns a value greater than 1, then this + * function is called to get the array of request_queues that the + * filesystem is using -- one per block device. (There may be duplicate + * entries in this array, as block devices can share a request_queue.) + */ void (*get_devices)(struct super_block *sb, struct request_queue **devs); }; @@ -253,6 +354,7 @@ int __fscrypt_encrypt_symlink(struct inode *inode, const char *target, const char *fscrypt_get_symlink(struct inode *inode, const void *caddr, unsigned int max_size, struct delayed_call *done); +int fscrypt_symlink_getattr(const struct path *path, struct kstat *stat); static inline void fscrypt_set_ops(struct super_block *sb, const struct fscrypt_operations *s_cop) { @@ -583,6 +685,12 @@ static inline const char *fscrypt_get_symlink(struct inode *inode, return ERR_PTR(-EOPNOTSUPP); } +static inline int fscrypt_symlink_getattr(const struct path *path, + struct kstat *stat) +{ + return -EOPNOTSUPP; +} + static inline void fscrypt_set_ops(struct super_block *sb, const struct fscrypt_operations *s_cop) { diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h index 63b56aba925a..30ece3ae6df7 100644 --- a/include/linux/fsl/mc.h +++ b/include/linux/fsl/mc.h @@ -423,7 +423,8 @@ int __must_check fsl_mc_allocate_irqs(struct fsl_mc_device *mc_dev); void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev); -struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev); +struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev, + u16 if_id); extern struct bus_type fsl_mc_bus_type; diff --git a/include/linux/fsnotify.h b/include/linux/fsnotify.h index f8acddcf54fb..12d3a7d308ab 100644 --- a/include/linux/fsnotify.h +++ b/include/linux/fsnotify.h @@ -30,6 +30,9 @@ static inline void fsnotify_name(struct inode *dir, __u32 mask, struct inode *child, const struct qstr *name, u32 cookie) { + if (atomic_long_read(&dir->i_sb->s_fsnotify_connectors) == 0) + return; + fsnotify(mask, child, FSNOTIFY_EVENT_INODE, dir, name, NULL, cookie); } @@ -41,6 +44,9 @@ static inline void fsnotify_dirent(struct inode *dir, struct dentry *dentry, static inline void fsnotify_inode(struct inode *inode, __u32 mask) { + if (atomic_long_read(&inode->i_sb->s_fsnotify_connectors) == 0) + return; + if (S_ISDIR(inode->i_mode)) mask |= FS_ISDIR; @@ -53,6 +59,9 @@ static inline int fsnotify_parent(struct dentry *dentry, __u32 mask, { struct inode *inode = d_inode(dentry); + if (atomic_long_read(&inode->i_sb->s_fsnotify_connectors) == 0) + return 0; + if (S_ISDIR(inode->i_mode)) { mask |= FS_ISDIR; diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h index a69f363b61bf..832e65f06754 100644 --- a/include/linux/ftrace.h +++ b/include/linux/ftrace.h @@ -643,6 +643,22 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; } extern int ftrace_make_nop(struct module *mod, struct dyn_ftrace *rec, unsigned long addr); +/** + * ftrace_need_init_nop - return whether nop call sites should be initialized + * + * Normally the compiler's -mnop-mcount generates suitable nops, so we don't + * need to call ftrace_init_nop() if the code is built with that flag. + * Architectures where this is not always the case may define their own + * condition. + * + * Return must be: + * 0 if ftrace_init_nop() should be called + * Nonzero if ftrace_init_nop() should not be called + */ + +#ifndef ftrace_need_init_nop +#define ftrace_need_init_nop() (!__is_defined(CC_USING_NOP_MCOUNT)) +#endif /** * ftrace_init_nop - initialize a nop call site diff --git a/include/linux/ftrace_irq.h b/include/linux/ftrace_irq.h index 0abd9a1d2852..f6faa31289ba 100644 --- a/include/linux/ftrace_irq.h +++ b/include/linux/ftrace_irq.h @@ -7,12 +7,21 @@ extern bool trace_hwlat_callback_enabled; extern void trace_hwlat_callback(bool enter); #endif +#ifdef CONFIG_OSNOISE_TRACER +extern bool trace_osnoise_callback_enabled; +extern void trace_osnoise_callback(bool enter); +#endif + static inline void ftrace_nmi_enter(void) { #ifdef CONFIG_HWLAT_TRACER if (trace_hwlat_callback_enabled) trace_hwlat_callback(true); #endif +#ifdef CONFIG_OSNOISE_TRACER + if (trace_osnoise_callback_enabled) + trace_osnoise_callback(true); +#endif } static inline void ftrace_nmi_exit(void) @@ -21,6 +30,10 @@ static inline void ftrace_nmi_exit(void) if (trace_hwlat_callback_enabled) trace_hwlat_callback(false); #endif +#ifdef CONFIG_OSNOISE_TRACER + if (trace_osnoise_callback_enabled) + trace_osnoise_callback(false); +#endif } #endif /* _LINUX_FTRACE_IRQ_H */ diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 59828516ebaf..9f4ad719bfe3 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -22,10 +22,15 @@ struct device; * LINKS_ADDED: The fwnode has already be parsed to add fwnode links. * NOT_DEVICE: The fwnode will never be populated as a struct device. * INITIALIZED: The hardware corresponding to fwnode has been initialized. + * NEEDS_CHILD_BOUND_ON_ADD: For this fwnode/device to probe successfully, its + * driver needs its child devices to be bound with + * their respective drivers as soon as they are + * added. */ -#define FWNODE_FLAG_LINKS_ADDED BIT(0) -#define FWNODE_FLAG_NOT_DEVICE BIT(1) -#define FWNODE_FLAG_INITIALIZED BIT(2) +#define FWNODE_FLAG_LINKS_ADDED BIT(0) +#define FWNODE_FLAG_NOT_DEVICE BIT(1) +#define FWNODE_FLAG_INITIALIZED BIT(2) +#define FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD BIT(3) struct fwnode_handle { struct fwnode_handle *secondary; diff --git a/include/linux/fwnode_mdio.h b/include/linux/fwnode_mdio.h new file mode 100644 index 000000000000..faf603c48c86 --- /dev/null +++ b/include/linux/fwnode_mdio.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * FWNODE helper for the MDIO (Ethernet PHY) API + */ + +#ifndef __LINUX_FWNODE_MDIO_H +#define __LINUX_FWNODE_MDIO_H + +#include <linux/phy.h> + +#if IS_ENABLED(CONFIG_FWNODE_MDIO) +int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio, + struct phy_device *phy, + struct fwnode_handle *child, u32 addr); + +int fwnode_mdiobus_register_phy(struct mii_bus *bus, + struct fwnode_handle *child, u32 addr); + +#else /* CONFIG_FWNODE_MDIO */ +int fwnode_mdiobus_phy_device_register(struct mii_bus *mdio, + struct phy_device *phy, + struct fwnode_handle *child, u32 addr) +{ + return -EINVAL; +} + +static inline int fwnode_mdiobus_register_phy(struct mii_bus *bus, + struct fwnode_handle *child, + u32 addr) +{ + return -EINVAL; +} +#endif + +#endif /* __LINUX_FWNODE_MDIO_H */ diff --git a/include/linux/genetlink.h b/include/linux/genetlink.h index bc738504ab4a..c285968e437a 100644 --- a/include/linux/genetlink.h +++ b/include/linux/genetlink.h @@ -8,34 +8,11 @@ /* All generic netlink requests are serialized by a global lock. */ extern void genl_lock(void); extern void genl_unlock(void); -#ifdef CONFIG_LOCKDEP -extern bool lockdep_genl_is_held(void); -#endif /* for synchronisation between af_netlink and genetlink */ extern atomic_t genl_sk_destructing_cnt; extern wait_queue_head_t genl_sk_destructing_waitq; -/** - * rcu_dereference_genl - rcu_dereference with debug checking - * @p: The pointer to read, prior to dereferencing - * - * Do an rcu_dereference(p), but check caller either holds rcu_read_lock() - * or genl mutex. Note : Please prefer genl_dereference() or rcu_dereference() - */ -#define rcu_dereference_genl(p) \ - rcu_dereference_check(p, lockdep_genl_is_held()) - -/** - * genl_dereference - fetch RCU pointer when updates are prevented by genl mutex - * @p: The pointer to read, prior to dereferencing - * - * Return the value of the specified RCU-protected pointer, but omit - * the READ_ONCE(), because caller holds genl mutex. - */ -#define genl_dereference(p) \ - rcu_dereference_protected(p, lockdep_genl_is_held()) - #define MODULE_ALIAS_GENL_FAMILY(family)\ MODULE_ALIAS_NET_PF_PROTO_NAME(PF_NETLINK, NETLINK_GENERIC, "-family-" family) diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 6fc26f7bdf71..0f5315c2b5a3 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -60,9 +60,6 @@ struct partition_meta_info { * device. * Affects responses to the ``CDROM_GET_CAPABILITY`` ioctl. * - * ``GENHD_FL_UP`` (0x0010): indicates that the block device is "up", - * with a similar meaning to network interfaces. - * * ``GENHD_FL_SUPPRESS_PARTITION_INFO`` (0x0020): don't include * partition information in ``/proc/partitions`` or in the output of * printk_all_partitions(). @@ -97,7 +94,6 @@ struct partition_meta_info { /* 2 is unused (used to be GENHD_FL_DRIVERFS) */ /* 4 is unused (used to be GENHD_FL_MEDIA_CHANGE_NOTIFY) */ #define GENHD_FL_CD 0x0008 -#define GENHD_FL_UP 0x0010 #define GENHD_FL_SUPPRESS_PARTITION_INFO 0x0020 #define GENHD_FL_EXT_DEVT 0x0040 #define GENHD_FL_NATIVE_CAPACITY 0x0080 @@ -153,8 +149,16 @@ struct gendisk { unsigned long state; #define GD_NEED_PART_SCAN 0 #define GD_READ_ONLY 1 - struct kobject *slave_dir; +#define GD_DEAD 2 + + struct mutex open_mutex; /* open/close mutex */ + unsigned open_partitions; /* number of open partitions */ + struct backing_dev_info *bdi; + struct kobject *slave_dir; +#ifdef CONFIG_BLOCK_HOLDER_DEPRECATED + struct list_head slave_bdevs; +#endif struct timer_rand_state *random; atomic_t sync_io; /* RAID */ struct disk_events *ev; @@ -167,8 +171,14 @@ struct gendisk { int node_id; struct badblocks *bb; struct lockdep_map lockdep_map; + u64 diskseq; }; +static inline bool disk_live(struct gendisk *disk) +{ + return !inode_unhashed(disk->part0->bd_inode); +} + /* * The gendisk is refcounted by the part0 block_device, and the bd_device * therein is also used for device model presentation in sysfs. @@ -205,20 +215,13 @@ static inline dev_t disk_devt(struct gendisk *disk) void disk_uevent(struct gendisk *disk, enum kobject_action action); /* block/genhd.c */ -extern void device_add_disk(struct device *parent, struct gendisk *disk, - const struct attribute_group **groups); -static inline void add_disk(struct gendisk *disk) +int device_add_disk(struct device *parent, struct gendisk *disk, + const struct attribute_group **groups); +static inline int add_disk(struct gendisk *disk) { - device_add_disk(NULL, disk, NULL); + return device_add_disk(NULL, disk, NULL); } -extern void device_add_disk_no_queue_reg(struct device *parent, struct gendisk *disk); -static inline void add_disk_no_queue_reg(struct gendisk *disk) -{ - device_add_disk_no_queue_reg(NULL, disk); -} - extern void del_gendisk(struct gendisk *gp); -extern struct block_device *bdget_disk(struct gendisk *disk, int partno); void set_disk_ro(struct gendisk *disk, bool read_only); @@ -232,6 +235,7 @@ extern void disk_block_events(struct gendisk *disk); extern void disk_unblock_events(struct gendisk *disk); extern void disk_flush_events(struct gendisk *disk, unsigned int mask); bool set_capacity_and_notify(struct gendisk *disk, sector_t size); +bool disk_force_media_change(struct gendisk *disk, unsigned int events); /* drivers/char/random.c */ extern void add_disk_randomness(struct gendisk *disk) __latent_entropy; @@ -252,30 +256,30 @@ static inline sector_t get_capacity(struct gendisk *disk) return bdev_nr_sectors(disk->part0); } -int bdev_disk_changed(struct block_device *bdev, bool invalidate); -int blk_add_partitions(struct gendisk *disk, struct block_device *bdev); +int bdev_disk_changed(struct gendisk *disk, bool invalidate); void blk_drop_partitions(struct gendisk *disk); -extern struct gendisk *__alloc_disk_node(int minors, int node_id); +struct gendisk *__alloc_disk_node(struct request_queue *q, int node_id, + struct lock_class_key *lkclass); extern void put_disk(struct gendisk *disk); +struct gendisk *__blk_alloc_disk(int node, struct lock_class_key *lkclass); -#define alloc_disk_node(minors, node_id) \ +/** + * blk_alloc_disk - allocate a gendisk structure + * @node_id: numa node to allocate on + * + * Allocate and pre-initialize a gendisk structure for use with BIO based + * drivers. + * + * Context: can sleep + */ +#define blk_alloc_disk(node_id) \ ({ \ static struct lock_class_key __key; \ - const char *__name; \ - struct gendisk *__disk; \ - \ - __name = "(gendisk_completion)"#minors"("#node_id")"; \ - \ - __disk = __alloc_disk_node(minors, node_id); \ \ - if (__disk) \ - lockdep_init_map(&__disk->lockdep_map, __name, &__key, 0); \ - \ - __disk; \ + __blk_alloc_disk(node_id, &__key); \ }) - -#define alloc_disk(minors) alloc_disk_node(minors, NUMA_NO_NODE) +void blk_cleanup_disk(struct gendisk *disk); int __register_blkdev(unsigned int major, const char *name, void (*probe)(dev_t devt)); @@ -291,9 +295,10 @@ void set_capacity(struct gendisk *disk, sector_t size); int blkdev_ioctl(struct block_device *, fmode_t, unsigned, unsigned long); long compat_blkdev_ioctl(struct file *, unsigned, unsigned long); -#ifdef CONFIG_SYSFS +#ifdef CONFIG_BLOCK_HOLDER_DEPRECATED int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk); void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk); +int bd_register_pending_holders(struct gendisk *disk); #else static inline int bd_link_disk_holder(struct block_device *bdev, struct gendisk *disk) @@ -304,8 +309,14 @@ static inline void bd_unlink_disk_holder(struct block_device *bdev, struct gendisk *disk) { } -#endif /* CONFIG_SYSFS */ +static inline int bd_register_pending_holders(struct gendisk *disk) +{ + return 0; +} +#endif /* CONFIG_BLOCK_HOLDER_DEPRECATED */ +dev_t part_devt(struct gendisk *disk, u8 partno); +void inc_diskseq(struct gendisk *disk); dev_t blk_lookup_devt(const char *name, int partno); void blk_request_module(dev_t devt); #ifdef CONFIG_BLOCK diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 11da8af06704..55b2ec1f965a 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -53,8 +53,10 @@ struct vm_area_struct; #define ___GFP_HARDWALL 0x100000u #define ___GFP_THISNODE 0x200000u #define ___GFP_ACCOUNT 0x400000u +#define ___GFP_ZEROTAGS 0x800000u +#define ___GFP_SKIP_KASAN_POISON 0x1000000u #ifdef CONFIG_LOCKDEP -#define ___GFP_NOLOCKDEP 0x800000u +#define ___GFP_NOLOCKDEP 0x2000000u #else #define ___GFP_NOLOCKDEP 0 #endif @@ -229,16 +231,25 @@ struct vm_area_struct; * %__GFP_COMP address compound page metadata. * * %__GFP_ZERO returns a zeroed page on success. + * + * %__GFP_ZEROTAGS returns a page with zeroed memory tags on success, if + * __GFP_ZERO is set. + * + * %__GFP_SKIP_KASAN_POISON returns a page which does not need to be poisoned + * on deallocation. Typically used for userspace pages. Currently only has an + * effect in HW tags mode. */ #define __GFP_NOWARN ((__force gfp_t)___GFP_NOWARN) #define __GFP_COMP ((__force gfp_t)___GFP_COMP) #define __GFP_ZERO ((__force gfp_t)___GFP_ZERO) +#define __GFP_ZEROTAGS ((__force gfp_t)___GFP_ZEROTAGS) +#define __GFP_SKIP_KASAN_POISON ((__force gfp_t)___GFP_SKIP_KASAN_POISON) /* Disable lockdep for GFP context tracking */ #define __GFP_NOLOCKDEP ((__force gfp_t)___GFP_NOLOCKDEP) /* Room for N __GFP_FOO bits */ -#define __GFP_BITS_SHIFT (23 + IS_ENABLED(CONFIG_LOCKDEP)) +#define __GFP_BITS_SHIFT (25 + IS_ENABLED(CONFIG_LOCKDEP)) #define __GFP_BITS_MASK ((__force gfp_t)((1 << __GFP_BITS_SHIFT) - 1)) /** @@ -319,7 +330,8 @@ struct vm_area_struct; #define GFP_DMA __GFP_DMA #define GFP_DMA32 __GFP_DMA32 #define GFP_HIGHUSER (GFP_USER | __GFP_HIGHMEM) -#define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE) +#define GFP_HIGHUSER_MOVABLE (GFP_HIGHUSER | __GFP_MOVABLE | \ + __GFP_SKIP_KASAN_POISON) #define GFP_TRANSHUGE_LIGHT ((GFP_HIGHUSER_MOVABLE | __GFP_COMP | \ __GFP_NOMEMALLOC | __GFP_NOWARN) & ~__GFP_RECLAIM) #define GFP_TRANSHUGE (GFP_TRANSHUGE_LIGHT | __GFP_DIRECT_RECLAIM) @@ -494,8 +506,8 @@ static inline int gfp_zonelist(gfp_t flags) * There are two zonelists per node, one for all zones with memory and * one containing just zones from the node the zonelist belongs to. * - * For the normal case of non-DISCONTIGMEM systems the NODE_DATA() gets - * optimized to &contig_page_data at compile-time. + * For the case of non-NUMA systems the NODE_DATA() gets optimized to + * &contig_page_data at compile-time. */ static inline struct zonelist *node_zonelist(int nid, gfp_t flags) { @@ -536,6 +548,15 @@ alloc_pages_bulk_array(gfp_t gfp, unsigned long nr_pages, struct page **page_arr return __alloc_pages_bulk(gfp, numa_mem_id(), NULL, nr_pages, NULL, page_array); } +static inline unsigned long +alloc_pages_bulk_array_node(gfp_t gfp, int nid, unsigned long nr_pages, struct page **page_array) +{ + if (nid == NUMA_NO_NODE) + nid = numa_mem_id(); + + return __alloc_pages_bulk(gfp, nid, NULL, nr_pages, NULL, page_array); +} + /* * Allocate pages, preferring the node given as nid. The node must be valid and * online. For more general interface, see alloc_pages_node(). diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index c73b25bc9213..97a28ad3393b 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -609,7 +609,7 @@ struct gpio_desc *devm_fwnode_get_gpiod_from_child(struct device *dev, #if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_OF_GPIO) struct device_node; -struct gpio_desc *gpiod_get_from_of_node(struct device_node *node, +struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node, const char *propname, int index, enum gpiod_flags dflags, const char *label); @@ -619,7 +619,7 @@ struct gpio_desc *gpiod_get_from_of_node(struct device_node *node, struct device_node; static inline -struct gpio_desc *gpiod_get_from_of_node(struct device_node *node, +struct gpio_desc *gpiod_get_from_of_node(const struct device_node *node, const char *propname, int index, enum gpiod_flags dflags, const char *label) @@ -633,7 +633,7 @@ struct gpio_desc *gpiod_get_from_of_node(struct device_node *node, struct device_node; struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev, - struct device_node *node, + const struct device_node *node, const char *propname, int index, enum gpiod_flags dflags, const char *label); @@ -644,7 +644,7 @@ struct device_node; static inline struct gpio_desc *devm_gpiod_get_from_of_node(struct device *dev, - struct device_node *node, + const struct device_node *node, const char *propname, int index, enum gpiod_flags dflags, const char *label) @@ -680,10 +680,10 @@ struct acpi_gpio_mapping { unsigned int quirks; }; -#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_ACPI) - struct acpi_device; +#if IS_ENABLED(CONFIG_GPIOLIB) && IS_ENABLED(CONFIG_ACPI) + int acpi_dev_add_driver_gpios(struct acpi_device *adev, const struct acpi_gpio_mapping *gpios); void acpi_dev_remove_driver_gpios(struct acpi_device *adev); @@ -692,9 +692,9 @@ int devm_acpi_dev_add_driver_gpios(struct device *dev, const struct acpi_gpio_mapping *gpios); void devm_acpi_dev_remove_driver_gpios(struct device *dev); -#else /* CONFIG_GPIOLIB && CONFIG_ACPI */ +struct gpio_desc *acpi_get_and_request_gpiod(char *path, int pin, char *label); -struct acpi_device; +#else /* CONFIG_GPIOLIB && CONFIG_ACPI */ static inline int acpi_dev_add_driver_gpios(struct acpi_device *adev, const struct acpi_gpio_mapping *gpios) diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index 3a268781fcec..a0f9901dcae6 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -312,6 +312,9 @@ struct gpio_irq_chip { * get rid of the static GPIO number space in the long run. * @ngpio: the number of GPIOs handled by this controller; the last GPIO * handled is (base + ngpio - 1). + * @offset: when multiple gpio chips belong to the same device this + * can be used as offset within the device so friendly names can + * be properly assigned. * @names: if set, must be an array of strings to use as alternative * names for the GPIOs in this chip. Any entry in the array * may be NULL if there is no alias for the GPIO, however the @@ -398,6 +401,7 @@ struct gpio_chip { int base; u16 ngpio; + u16 offset; const char *const *names; bool can_sleep; diff --git a/include/linux/gpio/regmap.h b/include/linux/gpio/regmap.h index 334dd928042b..a9f7b7faf57b 100644 --- a/include/linux/gpio/regmap.h +++ b/include/linux/gpio/regmap.h @@ -37,6 +37,9 @@ struct regmap; * offset to a register/bitmask pair. If not * given the default gpio_regmap_simple_xlate() * is used. + * @drvdata: (Optional) Pointer to driver specific data which is + * not used by gpio-remap but is provided "as is" to the + * driver callback(s). * * The ->reg_mask_xlate translates a given base address and GPIO offset to * register and mask pair. The base address is one of the given register @@ -78,13 +81,14 @@ struct gpio_regmap_config { int (*reg_mask_xlate)(struct gpio_regmap *gpio, unsigned int base, unsigned int offset, unsigned int *reg, unsigned int *mask); + + void *drvdata; }; struct gpio_regmap *gpio_regmap_register(const struct gpio_regmap_config *config); void gpio_regmap_unregister(struct gpio_regmap *gpio); struct gpio_regmap *devm_gpio_regmap_register(struct device *dev, const struct gpio_regmap_config *config); -void gpio_regmap_set_drvdata(struct gpio_regmap *gpio, void *data); void *gpio_regmap_get_drvdata(struct gpio_regmap *gpio); #endif /* _LINUX_GPIO_REGMAP_H */ diff --git a/include/linux/hardirq.h b/include/linux/hardirq.h index 69bc86ea382c..76878b357ffa 100644 --- a/include/linux/hardirq.h +++ b/include/linux/hardirq.h @@ -116,7 +116,6 @@ extern void rcu_nmi_exit(void); do { \ lockdep_off(); \ arch_nmi_enter(); \ - printk_nmi_enter(); \ BUG_ON(in_nmi() == NMI_MASK); \ __preempt_count_add(NMI_OFFSET + HARDIRQ_OFFSET); \ } while (0) @@ -135,7 +134,6 @@ extern void rcu_nmi_exit(void); do { \ BUG_ON(!in_nmi()); \ __preempt_count_sub(NMI_OFFSET + HARDIRQ_OFFSET); \ - printk_nmi_exit(); \ arch_nmi_exit(); \ lockdep_on(); \ } while (0) diff --git a/include/linux/hdlc.h b/include/linux/hdlc.h index cacc4dd27794..630a388035f1 100644 --- a/include/linux/hdlc.h +++ b/include/linux/hdlc.h @@ -22,7 +22,7 @@ struct hdlc_proto { void (*start)(struct net_device *dev); /* if open & DCD */ void (*stop)(struct net_device *dev); /* if open & !DCD */ void (*detach)(struct net_device *dev); - int (*ioctl)(struct net_device *dev, struct ifreq *ifr); + int (*ioctl)(struct net_device *dev, struct if_settings *ifs); __be16 (*type_trans)(struct sk_buff *skb, struct net_device *dev); int (*netif_rx)(struct sk_buff *skb); netdev_tx_t (*xmit)(struct sk_buff *skb, struct net_device *dev); @@ -54,7 +54,7 @@ typedef struct hdlc_device { /* Exported from hdlc module */ /* Called by hardware driver when a user requests HDLC service */ -int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd); +int hdlc_ioctl(struct net_device *dev, struct if_settings *ifs); /* Must be used by hardware driver on module startup/exit */ #define register_hdlc_device(dev) register_netdev(dev) diff --git a/include/linux/hdlcdrv.h b/include/linux/hdlcdrv.h index d4d633a49d36..5d70c3f98f5b 100644 --- a/include/linux/hdlcdrv.h +++ b/include/linux/hdlcdrv.h @@ -79,7 +79,7 @@ struct hdlcdrv_ops { */ int (*open)(struct net_device *); int (*close)(struct net_device *); - int (*ioctl)(struct net_device *, struct ifreq *, + int (*ioctl)(struct net_device *, void __user *, struct hdlcdrv_ioctl *, int); }; diff --git a/include/linux/hid.h b/include/linux/hid.h index 10e922cee4eb..9e067f937dbc 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -102,6 +102,7 @@ struct hid_item { #define HID_COLLECTION_PHYSICAL 0 #define HID_COLLECTION_APPLICATION 1 #define HID_COLLECTION_LOGICAL 2 +#define HID_COLLECTION_NAMED_ARRAY 4 /* * HID report descriptor global item tags @@ -800,6 +801,7 @@ struct hid_driver { * @raw_request: send raw report request to device (e.g. feature report) * @output_report: send output report to device * @idle: send idle request to device + * @may_wakeup: return if device may act as a wakeup source during system-suspend */ struct hid_ll_driver { int (*start)(struct hid_device *hdev); @@ -824,6 +826,7 @@ struct hid_ll_driver { int (*output_report) (struct hid_device *hdev, __u8 *buf, size_t len); int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); + bool (*may_wakeup)(struct hid_device *hdev); }; extern struct hid_ll_driver i2c_hid_ll_driver; @@ -1150,6 +1153,22 @@ static inline int hid_hw_idle(struct hid_device *hdev, int report, int idle, } /** + * hid_may_wakeup - return if the hid device may act as a wakeup source during system-suspend + * + * @hdev: hid device + */ +static inline bool hid_hw_may_wakeup(struct hid_device *hdev) +{ + if (hdev->ll_driver->may_wakeup) + return hdev->ll_driver->may_wakeup(hdev); + + if (hdev->dev.parent) + return device_may_wakeup(hdev->dev.parent); + + return false; +} + +/** * hid_hw_wait - wait for buffered io to complete * * @hdev: hid device diff --git a/include/linux/highmem-internal.h b/include/linux/highmem-internal.h index 7902c7d8b55f..4aa1031d3e4c 100644 --- a/include/linux/highmem-internal.h +++ b/include/linux/highmem-internal.h @@ -90,7 +90,11 @@ static inline void __kunmap_local(void *vaddr) static inline void *kmap_atomic_prot(struct page *page, pgprot_t prot) { - preempt_disable(); + if (IS_ENABLED(CONFIG_PREEMPT_RT)) + migrate_disable(); + else + preempt_disable(); + pagefault_disable(); return __kmap_local_page_prot(page, prot); } @@ -102,7 +106,11 @@ static inline void *kmap_atomic(struct page *page) static inline void *kmap_atomic_pfn(unsigned long pfn) { - preempt_disable(); + if (IS_ENABLED(CONFIG_PREEMPT_RT)) + migrate_disable(); + else + preempt_disable(); + pagefault_disable(); return __kmap_local_pfn_prot(pfn, kmap_prot); } @@ -111,7 +119,10 @@ static inline void __kunmap_atomic(void *addr) { kunmap_local_indexed(addr); pagefault_enable(); - preempt_enable(); + if (IS_ENABLED(CONFIG_PREEMPT_RT)) + migrate_enable(); + else + preempt_enable(); } unsigned int __nr_free_highpages(void); @@ -179,7 +190,10 @@ static inline void __kunmap_local(void *addr) static inline void *kmap_atomic(struct page *page) { - preempt_disable(); + if (IS_ENABLED(CONFIG_PREEMPT_RT)) + migrate_disable(); + else + preempt_disable(); pagefault_disable(); return page_address(page); } @@ -200,7 +214,10 @@ static inline void __kunmap_atomic(void *addr) kunmap_flush_on_unmap(addr); #endif pagefault_enable(); - preempt_enable(); + if (IS_ENABLED(CONFIG_PREEMPT_RT)) + migrate_enable(); + else + preempt_enable(); } static inline unsigned int nr_free_highpages(void) { return 0; } diff --git a/include/linux/highmem.h b/include/linux/highmem.h index 832b49b50c7b..b4c49f9cc379 100644 --- a/include/linux/highmem.h +++ b/include/linux/highmem.h @@ -130,10 +130,7 @@ static inline void flush_anon_page(struct vm_area_struct *vma, struct page *page } #endif -#ifndef ARCH_HAS_FLUSH_KERNEL_DCACHE_PAGE -static inline void flush_kernel_dcache_page(struct page *page) -{ -} +#ifndef ARCH_IMPLEMENTS_FLUSH_KERNEL_VMAP_RANGE static inline void flush_kernel_vmap_range(void *vaddr, int size) { } @@ -152,28 +149,24 @@ static inline void clear_user_highpage(struct page *page, unsigned long vaddr) } #endif -#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE +#ifndef __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE /** - * __alloc_zeroed_user_highpage - Allocate a zeroed HIGHMEM page for a VMA with caller-specified movable GFP flags - * @movableflags: The GFP flags related to the pages future ability to move like __GFP_MOVABLE + * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move * @vma: The VMA the page is to be allocated for * @vaddr: The virtual address the page will be inserted into * - * This function will allocate a page for a VMA but the caller is expected - * to specify via movableflags whether the page will be movable in the - * future or not + * This function will allocate a page for a VMA that the caller knows will + * be able to migrate in the future using move_pages() or reclaimed * * An architecture may override this function by defining - * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE and providing their own + * __HAVE_ARCH_ALLOC_ZEROED_USER_HIGHPAGE_MOVABLE and providing their own * implementation. */ static inline struct page * -__alloc_zeroed_user_highpage(gfp_t movableflags, - struct vm_area_struct *vma, - unsigned long vaddr) +alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma, + unsigned long vaddr) { - struct page *page = alloc_page_vma(GFP_HIGHUSER | movableflags, - vma, vaddr); + struct page *page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, vaddr); if (page) clear_user_highpage(page, vaddr); @@ -182,21 +175,6 @@ __alloc_zeroed_user_highpage(gfp_t movableflags, } #endif -/** - * alloc_zeroed_user_highpage_movable - Allocate a zeroed HIGHMEM page for a VMA that the caller knows can move - * @vma: The VMA the page is to be allocated for - * @vaddr: The virtual address the page will be inserted into - * - * This function will allocate a page for a VMA that the caller knows will - * be able to migrate in the future using move_pages() or reclaimed - */ -static inline struct page * -alloc_zeroed_user_highpage_movable(struct vm_area_struct *vma, - unsigned long vaddr) -{ - return __alloc_zeroed_user_highpage(__GFP_MOVABLE, vma, vaddr); -} - static inline void clear_highpage(struct page *page) { void *kaddr = kmap_atomic(page); @@ -204,6 +182,14 @@ static inline void clear_highpage(struct page *page) kunmap_atomic(kaddr); } +#ifndef __HAVE_ARCH_TAG_CLEAR_HIGHPAGE + +static inline void tag_clear_highpage(struct page *page) +{ +} + +#endif + /* * If we pass in a base or tail page, we can zero up to PAGE_SIZE. * If we pass in a head page, we can zero up to the size of the compound page. @@ -329,14 +315,16 @@ static inline void memcpy_to_page(struct page *page, size_t offset, VM_BUG_ON(offset + len > PAGE_SIZE); memcpy(to + offset, from, len); + flush_dcache_page(page); kunmap_local(to); } static inline void memzero_page(struct page *page, size_t offset, size_t len) { - char *addr = kmap_atomic(page); + char *addr = kmap_local_page(page); memset(addr + offset, 0, len); - kunmap_atomic(addr); + flush_dcache_page(page); + kunmap_local(addr); } #endif /* _LINUX_HIGHMEM_H */ diff --git a/include/linux/hmm.h b/include/linux/hmm.h index 866a0fa104c4..2fd2e91d5107 100644 --- a/include/linux/hmm.h +++ b/include/linux/hmm.h @@ -113,7 +113,7 @@ int hmm_range_fault(struct hmm_range *range); * HMM_RANGE_DEFAULT_TIMEOUT - default timeout (ms) when waiting for a range * * When waiting for mmu notifiers we need some kind of time out otherwise we - * could potentialy wait for ever, 1000ms ie 1s sounds like a long time to + * could potentially wait for ever, 1000ms ie 1s sounds like a long time to * wait already. */ #define HMM_RANGE_DEFAULT_TIMEOUT 1000 diff --git a/include/linux/host1x.h b/include/linux/host1x.h index 9b0487c88571..7bccf589aba7 100644 --- a/include/linux/host1x.h +++ b/include/linux/host1x.h @@ -170,6 +170,8 @@ u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base); void host1x_syncpt_release_vblank_reservation(struct host1x_client *client, u32 syncpt_id); +struct dma_fence *host1x_fence_create(struct host1x_syncpt *sp, u32 threshold); + /* * host1x channel */ @@ -216,8 +218,8 @@ struct host1x_job { struct host1x_client *client; /* Gathers and their memory */ - struct host1x_job_gather *gathers; - unsigned int num_gathers; + struct host1x_job_cmd *cmds; + unsigned int num_cmds; /* Array of handles to be pinned & unpinned */ struct host1x_reloc *relocs; @@ -234,9 +236,15 @@ struct host1x_job { u32 syncpt_incrs; u32 syncpt_end; + /* Completion waiter ref */ + void *waiter; + /* Maximum time to wait for this job */ unsigned int timeout; + /* Job has timed out and should be released */ + bool cancelled; + /* Index and number of slots used in the push buffer */ unsigned int first_get; unsigned int num_slots; @@ -257,12 +265,25 @@ struct host1x_job { /* Add a channel wait for previous ops to complete */ bool serialize; + + /* Fast-forward syncpoint increments on job timeout */ + bool syncpt_recovery; + + /* Callback called when job is freed */ + void (*release)(struct host1x_job *job); + void *user_data; + + /* Whether host1x-side firewall should be ran for this job or not */ + bool enable_firewall; }; struct host1x_job *host1x_job_alloc(struct host1x_channel *ch, - u32 num_cmdbufs, u32 num_relocs); + u32 num_cmdbufs, u32 num_relocs, + bool skip_firewall); void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *bo, unsigned int words, unsigned int offset); +void host1x_job_add_wait(struct host1x_job *job, u32 id, u32 thresh, + bool relative, u32 next_class); struct host1x_job *host1x_job_get(struct host1x_job *job); void host1x_job_put(struct host1x_job *job); int host1x_job_pin(struct host1x_job *job, struct device *dev); diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index bb5e7b0a4274..0ee140176f10 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -318,16 +318,12 @@ struct clock_event_device; extern void hrtimer_interrupt(struct clock_event_device *dev); -extern void clock_was_set_delayed(void); - extern unsigned int hrtimer_resolution; #else #define hrtimer_resolution (unsigned int)LOW_RES_NSEC -static inline void clock_was_set_delayed(void) { } - #endif static inline ktime_t @@ -351,13 +347,13 @@ hrtimer_expires_remaining_adjusted(const struct hrtimer *timer) timer->base->get_time()); } -extern void clock_was_set(void); #ifdef CONFIG_TIMERFD extern void timerfd_clock_was_set(void); +extern void timerfd_resume(void); #else static inline void timerfd_clock_was_set(void) { } +static inline void timerfd_resume(void) { } #endif -extern void hrtimers_resume(void); DECLARE_PER_CPU(struct tick_device, tick_cpu_device); diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h index 2a8ebe6c222e..f123e15d966e 100644 --- a/include/linux/huge_mm.h +++ b/include/linux/huge_mm.h @@ -10,8 +10,8 @@ vm_fault_t do_huge_pmd_anonymous_page(struct vm_fault *vmf); int copy_huge_pmd(struct mm_struct *dst_mm, struct mm_struct *src_mm, pmd_t *dst_pmd, pmd_t *src_pmd, unsigned long addr, - struct vm_area_struct *vma); -void huge_pmd_set_accessed(struct vm_fault *vmf, pmd_t orig_pmd); + struct vm_area_struct *dst_vma, struct vm_area_struct *src_vma); +void huge_pmd_set_accessed(struct vm_fault *vmf); int copy_huge_pud(struct mm_struct *dst_mm, struct mm_struct *src_mm, pud_t *dst_pud, pud_t *src_pud, unsigned long addr, struct vm_area_struct *vma); @@ -24,7 +24,7 @@ static inline void huge_pud_set_accessed(struct vm_fault *vmf, pud_t orig_pud) } #endif -vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd); +vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf); struct page *follow_trans_huge_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmd, unsigned int flags); @@ -115,9 +115,34 @@ extern struct kobj_attribute shmem_enabled_attr; extern unsigned long transparent_hugepage_flags; +static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, + unsigned long haddr) +{ + /* Don't have to check pgoff for anonymous vma */ + if (!vma_is_anonymous(vma)) { + if (!IS_ALIGNED((vma->vm_start >> PAGE_SHIFT) - vma->vm_pgoff, + HPAGE_PMD_NR)) + return false; + } + + if (haddr < vma->vm_start || haddr + HPAGE_PMD_SIZE > vma->vm_end) + return false; + return true; +} + +static inline bool transhuge_vma_enabled(struct vm_area_struct *vma, + unsigned long vm_flags) +{ + /* Explicitly disabled through madvise. */ + if ((vm_flags & VM_NOHUGEPAGE) || + test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags)) + return false; + return true; +} + /* * to be used on vmas which are known to support THP. - * Use transparent_hugepage_enabled otherwise + * Use transparent_hugepage_active otherwise */ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) { @@ -128,15 +153,12 @@ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) if (transparent_hugepage_flags & (1 << TRANSPARENT_HUGEPAGE_NEVER_DAX)) return false; - if (vma->vm_flags & VM_NOHUGEPAGE) + if (!transhuge_vma_enabled(vma, vma->vm_flags)) return false; if (vma_is_temporary_stack(vma)) return false; - if (test_bit(MMF_DISABLE_THP, &vma->vm_mm->flags)) - return false; - if (transparent_hugepage_flags & (1 << TRANSPARENT_HUGEPAGE_FLAG)) return true; @@ -150,24 +172,7 @@ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) return false; } -bool transparent_hugepage_enabled(struct vm_area_struct *vma); - -#define HPAGE_CACHE_INDEX_MASK (HPAGE_PMD_NR - 1) - -static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, - unsigned long haddr) -{ - /* Don't have to check pgoff for anonymous vma */ - if (!vma_is_anonymous(vma)) { - if (((vma->vm_start >> PAGE_SHIFT) & HPAGE_CACHE_INDEX_MASK) != - (vma->vm_pgoff & HPAGE_CACHE_INDEX_MASK)) - return false; - } - - if (haddr < vma->vm_start || haddr + HPAGE_PMD_SIZE > vma->vm_end) - return false; - return true; -} +bool transparent_hugepage_active(struct vm_area_struct *vma); #define transparent_hugepage_use_zero_page() \ (transparent_hugepage_flags & \ @@ -283,7 +288,7 @@ struct page *follow_devmap_pmd(struct vm_area_struct *vma, unsigned long addr, struct page *follow_devmap_pud(struct vm_area_struct *vma, unsigned long addr, pud_t *pud, int flags, struct dev_pagemap **pgmap); -vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, pmd_t orig_pmd); +vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf); extern struct page *huge_zero_page; extern unsigned long huge_zero_pfn; @@ -354,7 +359,7 @@ static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma) return false; } -static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma) +static inline bool transparent_hugepage_active(struct vm_area_struct *vma) { return false; } @@ -365,6 +370,12 @@ static inline bool transhuge_vma_suitable(struct vm_area_struct *vma, return false; } +static inline bool transhuge_vma_enabled(struct vm_area_struct *vma, + unsigned long vm_flags) +{ + return false; +} + static inline void prep_transhuge_page(struct page *page) {} static inline bool is_transparent_hugepage(struct page *page) @@ -430,8 +441,7 @@ static inline spinlock_t *pud_trans_huge_lock(pud_t *pud, return NULL; } -static inline vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf, - pmd_t orig_pmd) +static inline vm_fault_t do_huge_pmd_numa_page(struct vm_fault *vmf) { return 0; } diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 3c0117656745..1faebe1cd0ed 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -29,12 +29,29 @@ typedef struct { unsigned long pd; } hugepd_t; #include <linux/shm.h> #include <asm/tlbflush.h> +/* + * For HugeTLB page, there are more metadata to save in the struct page. But + * the head struct page cannot meet our needs, so we have to abuse other tail + * struct page to store the metadata. In order to avoid conflicts caused by + * subsequent use of more tail struct pages, we gather these discrete indexes + * of tail struct page here. + */ +enum { + SUBPAGE_INDEX_SUBPOOL = 1, /* reuse page->private */ +#ifdef CONFIG_CGROUP_HUGETLB + SUBPAGE_INDEX_CGROUP, /* reuse page->private */ + SUBPAGE_INDEX_CGROUP_RSVD, /* reuse page->private */ + __MAX_CGROUP_SUBPAGE_INDEX = SUBPAGE_INDEX_CGROUP_RSVD, +#endif + __NR_USED_SUBPAGE, +}; + struct hugepage_subpool { spinlock_t lock; long count; long max_hpages; /* Maximum huge pages or -1 if no maximum. */ long used_hpages; /* Used count against maximum, includes */ - /* both alloced and reserved pages. */ + /* both allocated and reserved pages. */ struct hstate *hstate; long min_hpages; /* Minimum huge pages or -1 if no minimum. */ long rsv_hpages; /* Pages reserved against global pool to */ @@ -68,7 +85,7 @@ struct resv_map { * by a resv_map's lock. The set of regions within the resv_map represent * reservations for huge pages, or huge pages that have already been * instantiated within the map. The from and to elements are huge page - * indicies into the associated mapping. from indicates the starting index + * indices into the associated mapping. from indicates the starting index * of the region. to represents the first index past the end of the region. * * For example, a file region structure with from == 0 and to == 4 represents @@ -451,7 +468,7 @@ static inline struct hugetlbfs_inode_info *HUGETLBFS_I(struct inode *inode) extern const struct file_operations hugetlbfs_file_operations; extern const struct vm_operations_struct hugetlb_vm_ops; struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct, - struct user_struct **user, int creat_flags, + struct ucounts **ucounts, int creat_flags, int page_size_log); static inline bool is_file_hugepages(struct file *file) @@ -471,7 +488,7 @@ static inline struct hstate *hstate_inode(struct inode *i) #define is_file_hugepages(file) false static inline struct file * hugetlb_file_setup(const char *name, size_t size, vm_flags_t acctflag, - struct user_struct **user, int creat_flags, + struct ucounts **ucounts, int creat_flags, int page_size_log) { return ERR_PTR(-ENOSYS); @@ -515,12 +532,14 @@ unsigned long hugetlb_get_unmapped_area(struct file *file, unsigned long addr, * modifications require hugetlb_lock. * HPG_freed - Set when page is on the free lists. * Synchronization: hugetlb_lock held for examination and modification. + * HPG_vmemmap_optimized - Set when the vmemmap pages of the page are freed. */ enum hugetlb_page_flags { HPG_restore_reserve = 0, HPG_migratable, HPG_temporary, HPG_freed, + HPG_vmemmap_optimized, __NR_HPAGEFLAGS, }; @@ -566,6 +585,7 @@ HPAGEFLAG(RestoreReserve, restore_reserve) HPAGEFLAG(Migratable, migratable) HPAGEFLAG(Temporary, temporary) HPAGEFLAG(Freed, freed) +HPAGEFLAG(VmemmapOptimized, vmemmap_optimized) #ifdef CONFIG_HUGETLB_PAGE @@ -588,6 +608,9 @@ struct hstate { unsigned int nr_huge_pages_node[MAX_NUMNODES]; unsigned int free_huge_pages_node[MAX_NUMNODES]; unsigned int surplus_huge_pages_node[MAX_NUMNODES]; +#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP + unsigned int nr_free_vmemmap_pages; +#endif #ifdef CONFIG_CGROUP_HUGETLB /* cgroup control files */ struct cftype cgroup_files_dfl[7]; @@ -635,13 +658,13 @@ extern unsigned int default_hstate_idx; */ static inline struct hugepage_subpool *hugetlb_page_subpool(struct page *hpage) { - return (struct hugepage_subpool *)(hpage+1)->private; + return (void *)page_private(hpage + SUBPAGE_INDEX_SUBPOOL); } static inline void hugetlb_set_page_subpool(struct page *hpage, struct hugepage_subpool *subpool) { - set_page_private(hpage+1, (unsigned long)subpool); + set_page_private(hpage + SUBPAGE_INDEX_SUBPOOL, (unsigned long)subpool); } static inline struct hstate *hstate_file(struct file *f) @@ -718,8 +741,8 @@ static inline void arch_clear_hugepage_flags(struct page *page) { } #endif #ifndef arch_make_huge_pte -static inline pte_t arch_make_huge_pte(pte_t entry, struct vm_area_struct *vma, - struct page *page, int writable) +static inline pte_t arch_make_huge_pte(pte_t entry, unsigned int shift, + vm_flags_t flags) { return entry; } @@ -774,7 +797,7 @@ static inline bool hugepage_migration_supported(struct hstate *h) * It determines whether or not a huge page should be placed on * movable zone or not. Movability of any huge page should be * required only if huge page size is supported for migration. - * There wont be any reason for the huge page to be movable if + * There won't be any reason for the huge page to be movable if * it is not migratable to start with. Also the size of the huge * page should be large enough to be placed under a movable zone * and still feasible enough to be migratable. Just the presence @@ -835,6 +858,11 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, void hugetlb_report_usage(struct seq_file *m, struct mm_struct *mm); +static inline void hugetlb_count_init(struct mm_struct *mm) +{ + atomic_long_set(&mm->hugetlb_usage, 0); +} + static inline void hugetlb_count_add(long l, struct mm_struct *mm) { atomic_long_add(l, &mm->hugetlb_usage); @@ -875,6 +903,11 @@ static inline void huge_ptep_modify_prot_commit(struct vm_area_struct *vma, #else /* CONFIG_HUGETLB_PAGE */ struct hstate {}; +static inline struct hugepage_subpool *hugetlb_page_subpool(struct page *hpage) +{ + return NULL; +} + static inline int isolate_or_dissolve_huge_page(struct page *page, struct list_head *list) { @@ -1014,6 +1047,10 @@ static inline spinlock_t *huge_pte_lockptr(struct hstate *h, return &mm->page_table_lock; } +static inline void hugetlb_count_init(struct mm_struct *mm) +{ +} + static inline void hugetlb_report_usage(struct seq_file *f, struct mm_struct *m) { } @@ -1028,6 +1065,12 @@ static inline void set_huge_swap_pte_at(struct mm_struct *mm, unsigned long addr } #endif /* CONFIG_HUGETLB_PAGE */ +#ifdef CONFIG_HUGETLB_PAGE_FREE_VMEMMAP +extern bool hugetlb_free_vmemmap_enabled; +#else +#define hugetlb_free_vmemmap_enabled false +#endif + static inline spinlock_t *huge_pte_lock(struct hstate *h, struct mm_struct *mm, pte_t *pte) { diff --git a/include/linux/hugetlb_cgroup.h b/include/linux/hugetlb_cgroup.h index 0bff345c4bc6..c137396129db 100644 --- a/include/linux/hugetlb_cgroup.h +++ b/include/linux/hugetlb_cgroup.h @@ -21,15 +21,16 @@ struct hugetlb_cgroup; struct resv_map; struct file_region; +#ifdef CONFIG_CGROUP_HUGETLB /* * Minimum page order trackable by hugetlb cgroup. * At least 4 pages are necessary for all the tracking information. - * The second tail page (hpage[2]) is the fault usage cgroup. - * The third tail page (hpage[3]) is the reservation usage cgroup. + * The second tail page (hpage[SUBPAGE_INDEX_CGROUP]) is the fault + * usage cgroup. The third tail page (hpage[SUBPAGE_INDEX_CGROUP_RSVD]) + * is the reservation usage cgroup. */ -#define HUGETLB_CGROUP_MIN_ORDER 2 +#define HUGETLB_CGROUP_MIN_ORDER order_base_2(__MAX_CGROUP_SUBPAGE_INDEX + 1) -#ifdef CONFIG_CGROUP_HUGETLB enum hugetlb_memory_event { HUGETLB_MAX, HUGETLB_NR_MEMORY_EVENTS, @@ -66,9 +67,9 @@ __hugetlb_cgroup_from_page(struct page *page, bool rsvd) if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER) return NULL; if (rsvd) - return (struct hugetlb_cgroup *)page[3].private; + return (void *)page_private(page + SUBPAGE_INDEX_CGROUP_RSVD); else - return (struct hugetlb_cgroup *)page[2].private; + return (void *)page_private(page + SUBPAGE_INDEX_CGROUP); } static inline struct hugetlb_cgroup *hugetlb_cgroup_from_page(struct page *page) @@ -90,9 +91,11 @@ static inline int __set_hugetlb_cgroup(struct page *page, if (compound_order(page) < HUGETLB_CGROUP_MIN_ORDER) return -1; if (rsvd) - page[3].private = (unsigned long)h_cg; + set_page_private(page + SUBPAGE_INDEX_CGROUP_RSVD, + (unsigned long)h_cg); else - page[2].private = (unsigned long)h_cg; + set_page_private(page + SUBPAGE_INDEX_CGROUP, + (unsigned long)h_cg); return 0; } @@ -118,6 +121,13 @@ static inline void hugetlb_cgroup_put_rsvd_cgroup(struct hugetlb_cgroup *h_cg) css_put(&h_cg->css); } +static inline void resv_map_dup_hugetlb_cgroup_uncharge_info( + struct resv_map *resv_map) +{ + if (resv_map->css) + css_get(resv_map->css); +} + extern int hugetlb_cgroup_charge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup **ptr); extern int hugetlb_cgroup_charge_cgroup_rsvd(int idx, unsigned long nr_pages, @@ -196,6 +206,11 @@ static inline void hugetlb_cgroup_put_rsvd_cgroup(struct hugetlb_cgroup *h_cg) { } +static inline void resv_map_dup_hugetlb_cgroup_uncharge_info( + struct resv_map *resv_map) +{ +} + static inline int hugetlb_cgroup_charge_cgroup(int idx, unsigned long nr_pages, struct hugetlb_cgroup **ptr) { diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index d1e59dbef1dd..ddc8713ce57b 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -181,6 +181,10 @@ struct hv_ring_buffer_info { * being freed while the ring buffer is being accessed. */ struct mutex ring_buffer_mutex; + + /* Buffer that holds a copy of an incoming host packet */ + void *pkt_buffer; + u32 pkt_buffer_size; }; @@ -534,12 +538,6 @@ struct vmbus_channel_rescind_offer { u32 child_relid; } __packed; -static inline u32 -hv_ringbuffer_pending_size(const struct hv_ring_buffer_info *rbi) -{ - return rbi->ring_buffer->pending_send_sz; -} - /* * Request Offer -- no parameters, SynIC message contains the partition ID * Set Snoop -- no parameters, SynIC message contains the partition ID @@ -790,7 +788,11 @@ struct vmbus_requestor { #define VMBUS_NO_RQSTOR U64_MAX #define VMBUS_RQST_ERROR (U64_MAX - 1) +/* NetVSC-specific */ #define VMBUS_RQST_ID_NO_RESPONSE (U64_MAX - 2) +/* StorVSC-specific */ +#define VMBUS_RQST_INIT (U64_MAX - 2) +#define VMBUS_RQST_RESET (U64_MAX - 3) struct vmbus_device { u16 dev_type; @@ -799,6 +801,8 @@ struct vmbus_device { bool allowed_in_isolated; }; +#define VMBUS_DEFAULT_MAX_PKT_SIZE 4096 + struct vmbus_channel { struct list_head listentry; @@ -1018,13 +1022,21 @@ struct vmbus_channel { u32 fuzz_testing_interrupt_delay; u32 fuzz_testing_message_delay; + /* callback to generate a request ID from a request address */ + u64 (*next_request_id_callback)(struct vmbus_channel *channel, u64 rqst_addr); + /* callback to retrieve a request address from a request ID */ + u64 (*request_addr_callback)(struct vmbus_channel *channel, u64 rqst_id); + /* request/transaction ids for VMBus */ struct vmbus_requestor requestor; u32 rqstor_size; + + /* The max size of a packet on this channel */ + u32 max_pkt_size; }; -u64 vmbus_next_request_id(struct vmbus_requestor *rqstor, u64 rqst_addr); -u64 vmbus_request_addr(struct vmbus_requestor *rqstor, u64 trans_id); +u64 vmbus_next_request_id(struct vmbus_channel *channel, u64 rqst_addr); +u64 vmbus_request_addr(struct vmbus_channel *channel, u64 trans_id); static inline bool is_hvsock_channel(const struct vmbus_channel *c) { @@ -1074,16 +1086,6 @@ static inline void set_channel_pending_send_size(struct vmbus_channel *c, c->outbound.ring_buffer->pending_send_sz = size; } -static inline void set_low_latency_mode(struct vmbus_channel *c) -{ - c->low_latency = true; -} - -static inline void clear_low_latency_mode(struct vmbus_channel *c) -{ - c->low_latency = false; -} - void vmbus_onmessage(struct vmbus_channel_message_header *hdr); int vmbus_request_offers(void); @@ -1663,31 +1665,54 @@ static inline u32 hv_pkt_datalen(const struct vmpacket_descriptor *desc) struct vmpacket_descriptor * +hv_pkt_iter_first_raw(struct vmbus_channel *channel); + +struct vmpacket_descriptor * hv_pkt_iter_first(struct vmbus_channel *channel); struct vmpacket_descriptor * __hv_pkt_iter_next(struct vmbus_channel *channel, - const struct vmpacket_descriptor *pkt); + const struct vmpacket_descriptor *pkt, + bool copy); void hv_pkt_iter_close(struct vmbus_channel *channel); -/* - * Get next packet descriptor from iterator - * If at end of list, return NULL and update host. - */ static inline struct vmpacket_descriptor * -hv_pkt_iter_next(struct vmbus_channel *channel, - const struct vmpacket_descriptor *pkt) +hv_pkt_iter_next_pkt(struct vmbus_channel *channel, + const struct vmpacket_descriptor *pkt, + bool copy) { struct vmpacket_descriptor *nxt; - nxt = __hv_pkt_iter_next(channel, pkt); + nxt = __hv_pkt_iter_next(channel, pkt, copy); if (!nxt) hv_pkt_iter_close(channel); return nxt; } +/* + * Get next packet descriptor without copying it out of the ring buffer + * If at end of list, return NULL and update host. + */ +static inline struct vmpacket_descriptor * +hv_pkt_iter_next_raw(struct vmbus_channel *channel, + const struct vmpacket_descriptor *pkt) +{ + return hv_pkt_iter_next_pkt(channel, pkt, false); +} + +/* + * Get next packet descriptor from iterator + * If at end of list, return NULL and update host. + */ +static inline struct vmpacket_descriptor * +hv_pkt_iter_next(struct vmbus_channel *channel, + const struct vmpacket_descriptor *pkt) +{ + return hv_pkt_iter_next_pkt(channel, pkt, true); +} + #define foreach_vmbus_pkt(pkt, channel) \ for (pkt = hv_pkt_iter_first(channel); pkt; \ pkt = hv_pkt_iter_next(channel, pkt)) diff --git a/include/linux/i2c.h b/include/linux/i2c.h index e8f2ac8c9c3d..2ce3efbe9198 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -15,6 +15,7 @@ #include <linux/device.h> /* for struct device */ #include <linux/sched.h> /* for completion */ #include <linux/mutex.h> +#include <linux/regulator/consumer.h> #include <linux/rtmutex.h> #include <linux/irqdomain.h> /* for Host Notify IRQ */ #include <linux/of.h> /* for struct device_node */ @@ -147,6 +148,7 @@ s32 __i2c_smbus_xfer(struct i2c_adapter *adapter, u16 addr, /* Now follow the 'nice' access routines. These also document the calling conventions of i2c_smbus_xfer. */ +u8 i2c_smbus_pec(u8 crc, u8 *p, size_t count); s32 i2c_smbus_read_byte(const struct i2c_client *client); s32 i2c_smbus_write_byte(const struct i2c_client *client, u8 value); s32 i2c_smbus_read_byte_data(const struct i2c_client *client, u8 command); @@ -343,7 +345,6 @@ struct i2c_client { }; #define to_i2c_client(d) container_of(d, struct i2c_client, dev) -struct i2c_client *i2c_verify_client(struct device *dev); struct i2c_adapter *i2c_verify_adapter(struct device *dev); const struct i2c_device_id *i2c_match_id(const struct i2c_device_id *id, const struct i2c_client *client); @@ -477,6 +478,13 @@ i2c_new_ancillary_device(struct i2c_client *client, u16 default_addr); void i2c_unregister_device(struct i2c_client *client); + +struct i2c_client *i2c_verify_client(struct device *dev); +#else +static inline struct i2c_client *i2c_verify_client(struct device *dev) +{ + return NULL; +} #endif /* I2C */ /* Mainboard arch_initcall() code should register all its I2C devices. @@ -729,6 +737,7 @@ struct i2c_adapter { const struct i2c_adapter_quirks *quirks; struct irq_domain *host_notify_domain; + struct regulator *bus_regulator; }; #define to_i2c_adapter(d) container_of(d, struct i2c_adapter, dev) @@ -1001,6 +1010,7 @@ struct acpi_resource_i2c_serialbus; #if IS_ENABLED(CONFIG_ACPI) bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, struct acpi_resource_i2c_serialbus **i2c); +int i2c_acpi_client_count(struct acpi_device *adev); u32 i2c_acpi_find_bus_speed(struct device *dev); struct i2c_client *i2c_acpi_new_device(struct device *dev, int index, struct i2c_board_info *info); @@ -1011,6 +1021,10 @@ static inline bool i2c_acpi_get_i2c_resource(struct acpi_resource *ares, { return false; } +static inline int i2c_acpi_client_count(struct acpi_device *adev) +{ + return 0; +} static inline u32 i2c_acpi_find_bus_speed(struct device *dev) { return 0; diff --git a/include/linux/ide.h b/include/linux/ide.h deleted file mode 100644 index 2c300689a51a..000000000000 --- a/include/linux/ide.h +++ /dev/null @@ -1,1623 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _IDE_H -#define _IDE_H -/* - * linux/include/linux/ide.h - * - * Copyright (C) 1994-2002 Linus Torvalds & authors - */ - -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/ata.h> -#include <linux/blk-mq.h> -#include <linux/proc_fs.h> -#include <linux/interrupt.h> -#include <linux/bitops.h> -#include <linux/bio.h> -#include <linux/pci.h> -#include <linux/completion.h> -#include <linux/pm.h> -#include <linux/mutex.h> -/* for request_sense */ -#include <linux/cdrom.h> -#include <scsi/scsi_cmnd.h> -#include <asm/byteorder.h> -#include <asm/io.h> - -/* - * Probably not wise to fiddle with these - */ -#define SUPPORT_VLB_SYNC 1 -#define IDE_DEFAULT_MAX_FAILURES 1 -#define ERROR_MAX 8 /* Max read/write errors per sector */ -#define ERROR_RESET 3 /* Reset controller every 4th retry */ -#define ERROR_RECAL 1 /* Recalibrate every 2nd retry */ - -struct device; - -/* values for ide_request.type */ -enum ata_priv_type { - ATA_PRIV_MISC, - ATA_PRIV_TASKFILE, - ATA_PRIV_PC, - ATA_PRIV_SENSE, /* sense request */ - ATA_PRIV_PM_SUSPEND, /* suspend request */ - ATA_PRIV_PM_RESUME, /* resume request */ -}; - -struct ide_request { - struct scsi_request sreq; - u8 sense[SCSI_SENSE_BUFFERSIZE]; - u8 type; - void *special; -}; - -static inline struct ide_request *ide_req(struct request *rq) -{ - return blk_mq_rq_to_pdu(rq); -} - -static inline bool ata_misc_request(struct request *rq) -{ - return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_MISC; -} - -static inline bool ata_taskfile_request(struct request *rq) -{ - return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_TASKFILE; -} - -static inline bool ata_pc_request(struct request *rq) -{ - return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_PC; -} - -static inline bool ata_sense_request(struct request *rq) -{ - return blk_rq_is_private(rq) && ide_req(rq)->type == ATA_PRIV_SENSE; -} - -static inline bool ata_pm_request(struct request *rq) -{ - return blk_rq_is_private(rq) && - (ide_req(rq)->type == ATA_PRIV_PM_SUSPEND || - ide_req(rq)->type == ATA_PRIV_PM_RESUME); -} - -/* Error codes returned in result to the higher part of the driver. */ -enum { - IDE_DRV_ERROR_GENERAL = 101, - IDE_DRV_ERROR_FILEMARK = 102, - IDE_DRV_ERROR_EOD = 103, -}; - -/* - * Definitions for accessing IDE controller registers - */ -#define IDE_NR_PORTS (10) - -struct ide_io_ports { - unsigned long data_addr; - - union { - unsigned long error_addr; /* read: error */ - unsigned long feature_addr; /* write: feature */ - }; - - unsigned long nsect_addr; - unsigned long lbal_addr; - unsigned long lbam_addr; - unsigned long lbah_addr; - - unsigned long device_addr; - - union { - unsigned long status_addr; /* read: status */ - unsigned long command_addr; /* write: command */ - }; - - unsigned long ctl_addr; - - unsigned long irq_addr; -}; - -#define OK_STAT(stat,good,bad) (((stat)&((good)|(bad)))==(good)) - -#define BAD_R_STAT (ATA_BUSY | ATA_ERR) -#define BAD_W_STAT (BAD_R_STAT | ATA_DF) -#define BAD_STAT (BAD_R_STAT | ATA_DRQ) -#define DRIVE_READY (ATA_DRDY | ATA_DSC) - -#define BAD_CRC (ATA_ABORTED | ATA_ICRC) - -#define SATA_NR_PORTS (3) /* 16 possible ?? */ - -#define SATA_STATUS_OFFSET (0) -#define SATA_ERROR_OFFSET (1) -#define SATA_CONTROL_OFFSET (2) - -/* - * Our Physical Region Descriptor (PRD) table should be large enough - * to handle the biggest I/O request we are likely to see. Since requests - * can have no more than 256 sectors, and since the typical blocksize is - * two or more sectors, we could get by with a limit of 128 entries here for - * the usual worst case. Most requests seem to include some contiguous blocks, - * further reducing the number of table entries required. - * - * The driver reverts to PIO mode for individual requests that exceed - * this limit (possible with 512 byte blocksizes, eg. MSDOS f/s), so handling - * 100% of all crazy scenarios here is not necessary. - * - * As it turns out though, we must allocate a full 4KB page for this, - * so the two PRD tables (ide0 & ide1) will each get half of that, - * allowing each to have about 256 entries (8 bytes each) from this. - */ -#define PRD_BYTES 8 -#define PRD_ENTRIES 256 - -/* - * Some more useful definitions - */ -#define PARTN_BITS 6 /* number of minor dev bits for partitions */ -#define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */ - -/* - * Timeouts for various operations: - */ -enum { - /* spec allows up to 20ms, but CF cards and SSD drives need more */ - WAIT_DRQ = 1 * HZ, /* 1s */ - /* some laptops are very slow */ - WAIT_READY = 5 * HZ, /* 5s */ - /* should be less than 3ms (?), if all ATAPI CD is closed at boot */ - WAIT_PIDENTIFY = 10 * HZ, /* 10s */ - /* worst case when spinning up */ - WAIT_WORSTCASE = 30 * HZ, /* 30s */ - /* maximum wait for an IRQ to happen */ - WAIT_CMD = 10 * HZ, /* 10s */ - /* Some drives require a longer IRQ timeout. */ - WAIT_FLOPPY_CMD = 50 * HZ, /* 50s */ - /* - * Some drives (for example, Seagate STT3401A Travan) require a very - * long timeout, because they don't return an interrupt or clear their - * BSY bit until after the command completes (even retension commands). - */ - WAIT_TAPE_CMD = 900 * HZ, /* 900s */ - /* minimum sleep time */ - WAIT_MIN_SLEEP = HZ / 50, /* 20ms */ -}; - -/* - * Op codes for special requests to be handled by ide_special_rq(). - * Values should be in the range of 0x20 to 0x3f. - */ -#define REQ_DRIVE_RESET 0x20 -#define REQ_DEVSET_EXEC 0x21 -#define REQ_PARK_HEADS 0x22 -#define REQ_UNPARK_HEADS 0x23 - -/* - * hwif_chipset_t is used to keep track of the specific hardware - * chipset used by each IDE interface, if known. - */ -enum { ide_unknown, ide_generic, ide_pci, - ide_cmd640, ide_dtc2278, ide_ali14xx, - ide_qd65xx, ide_umc8672, ide_ht6560b, - ide_4drives, ide_pmac, ide_acorn, - ide_au1xxx, ide_palm3710 -}; - -typedef u8 hwif_chipset_t; - -/* - * Structure to hold all information about the location of this port - */ -struct ide_hw { - union { - struct ide_io_ports io_ports; - unsigned long io_ports_array[IDE_NR_PORTS]; - }; - - int irq; /* our irq number */ - struct device *dev, *parent; - unsigned long config; -}; - -static inline void ide_std_init_ports(struct ide_hw *hw, - unsigned long io_addr, - unsigned long ctl_addr) -{ - unsigned int i; - - for (i = 0; i <= 7; i++) - hw->io_ports_array[i] = io_addr++; - - hw->io_ports.ctl_addr = ctl_addr; -} - -#define MAX_HWIFS 10 - -/* - * Now for the data we need to maintain per-drive: ide_drive_t - */ - -#define ide_scsi 0x21 -#define ide_disk 0x20 -#define ide_optical 0x7 -#define ide_cdrom 0x5 -#define ide_tape 0x1 -#define ide_floppy 0x0 - -/* - * Special Driver Flags - */ -enum { - IDE_SFLAG_SET_GEOMETRY = BIT(0), - IDE_SFLAG_RECALIBRATE = BIT(1), - IDE_SFLAG_SET_MULTMODE = BIT(2), -}; - -/* - * Status returned from various ide_ functions - */ -typedef enum { - ide_stopped, /* no drive operation was started */ - ide_started, /* a drive operation was started, handler was set */ -} ide_startstop_t; - -enum { - IDE_VALID_ERROR = BIT(1), - IDE_VALID_FEATURE = IDE_VALID_ERROR, - IDE_VALID_NSECT = BIT(2), - IDE_VALID_LBAL = BIT(3), - IDE_VALID_LBAM = BIT(4), - IDE_VALID_LBAH = BIT(5), - IDE_VALID_DEVICE = BIT(6), - IDE_VALID_LBA = IDE_VALID_LBAL | - IDE_VALID_LBAM | - IDE_VALID_LBAH, - IDE_VALID_OUT_TF = IDE_VALID_FEATURE | - IDE_VALID_NSECT | - IDE_VALID_LBA, - IDE_VALID_IN_TF = IDE_VALID_NSECT | - IDE_VALID_LBA, - IDE_VALID_OUT_HOB = IDE_VALID_OUT_TF, - IDE_VALID_IN_HOB = IDE_VALID_ERROR | - IDE_VALID_NSECT | - IDE_VALID_LBA, -}; - -enum { - IDE_TFLAG_LBA48 = BIT(0), - IDE_TFLAG_WRITE = BIT(1), - IDE_TFLAG_CUSTOM_HANDLER = BIT(2), - IDE_TFLAG_DMA_PIO_FALLBACK = BIT(3), - /* force 16-bit I/O operations */ - IDE_TFLAG_IO_16BIT = BIT(4), - /* struct ide_cmd was allocated using kmalloc() */ - IDE_TFLAG_DYN = BIT(5), - IDE_TFLAG_FS = BIT(6), - IDE_TFLAG_MULTI_PIO = BIT(7), - IDE_TFLAG_SET_XFER = BIT(8), -}; - -enum { - IDE_FTFLAG_FLAGGED = BIT(0), - IDE_FTFLAG_SET_IN_FLAGS = BIT(1), - IDE_FTFLAG_OUT_DATA = BIT(2), - IDE_FTFLAG_IN_DATA = BIT(3), -}; - -struct ide_taskfile { - u8 data; /* 0: data byte (for TASKFILE ioctl) */ - union { /* 1: */ - u8 error; /* read: error */ - u8 feature; /* write: feature */ - }; - u8 nsect; /* 2: number of sectors */ - u8 lbal; /* 3: LBA low */ - u8 lbam; /* 4: LBA mid */ - u8 lbah; /* 5: LBA high */ - u8 device; /* 6: device select */ - union { /* 7: */ - u8 status; /* read: status */ - u8 command; /* write: command */ - }; -}; - -struct ide_cmd { - struct ide_taskfile tf; - struct ide_taskfile hob; - struct { - struct { - u8 tf; - u8 hob; - } out, in; - } valid; - - u16 tf_flags; - u8 ftf_flags; /* for TASKFILE ioctl */ - int protocol; - - int sg_nents; /* number of sg entries */ - int orig_sg_nents; - int sg_dma_direction; /* DMA transfer direction */ - - unsigned int nbytes; - unsigned int nleft; - unsigned int last_xfer_len; - - struct scatterlist *cursg; - unsigned int cursg_ofs; - - struct request *rq; /* copy of request */ -}; - -/* ATAPI packet command flags */ -enum { - /* set when an error is considered normal - no retry (ide-tape) */ - PC_FLAG_ABORT = BIT(0), - PC_FLAG_SUPPRESS_ERROR = BIT(1), - PC_FLAG_WAIT_FOR_DSC = BIT(2), - PC_FLAG_DMA_OK = BIT(3), - PC_FLAG_DMA_IN_PROGRESS = BIT(4), - PC_FLAG_DMA_ERROR = BIT(5), - PC_FLAG_WRITING = BIT(6), -}; - -#define ATAPI_WAIT_PC (60 * HZ) - -struct ide_atapi_pc { - /* actual packet bytes */ - u8 c[12]; - /* incremented on each retry */ - int retries; - int error; - - /* bytes to transfer */ - int req_xfer; - - /* the corresponding request */ - struct request *rq; - - unsigned long flags; - - /* - * those are more or less driver-specific and some of them are subject - * to change/removal later. - */ - unsigned long timeout; -}; - -struct ide_devset; -struct ide_driver; - -#ifdef CONFIG_BLK_DEV_IDEACPI -struct ide_acpi_drive_link; -struct ide_acpi_hwif_link; -#endif - -struct ide_drive_s; - -struct ide_disk_ops { - int (*check)(struct ide_drive_s *, const char *); - int (*get_capacity)(struct ide_drive_s *); - void (*unlock_native_capacity)(struct ide_drive_s *); - void (*setup)(struct ide_drive_s *); - void (*flush)(struct ide_drive_s *); - int (*init_media)(struct ide_drive_s *, struct gendisk *); - int (*set_doorlock)(struct ide_drive_s *, struct gendisk *, - int); - ide_startstop_t (*do_request)(struct ide_drive_s *, struct request *, - sector_t); - int (*ioctl)(struct ide_drive_s *, struct block_device *, - fmode_t, unsigned int, unsigned long); - int (*compat_ioctl)(struct ide_drive_s *, struct block_device *, - fmode_t, unsigned int, unsigned long); -}; - -/* ATAPI device flags */ -enum { - IDE_AFLAG_DRQ_INTERRUPT = BIT(0), - - /* ide-cd */ - /* Drive cannot eject the disc. */ - IDE_AFLAG_NO_EJECT = BIT(1), - /* Drive is a pre ATAPI 1.2 drive. */ - IDE_AFLAG_PRE_ATAPI12 = BIT(2), - /* TOC addresses are in BCD. */ - IDE_AFLAG_TOCADDR_AS_BCD = BIT(3), - /* TOC track numbers are in BCD. */ - IDE_AFLAG_TOCTRACKS_AS_BCD = BIT(4), - /* Saved TOC information is current. */ - IDE_AFLAG_TOC_VALID = BIT(6), - /* We think that the drive door is locked. */ - IDE_AFLAG_DOOR_LOCKED = BIT(7), - /* SET_CD_SPEED command is unsupported. */ - IDE_AFLAG_NO_SPEED_SELECT = BIT(8), - IDE_AFLAG_VERTOS_300_SSD = BIT(9), - IDE_AFLAG_VERTOS_600_ESD = BIT(10), - IDE_AFLAG_SANYO_3CD = BIT(11), - IDE_AFLAG_FULL_CAPS_PAGE = BIT(12), - IDE_AFLAG_PLAY_AUDIO_OK = BIT(13), - IDE_AFLAG_LE_SPEED_FIELDS = BIT(14), - - /* ide-floppy */ - /* Avoid commands not supported in Clik drive */ - IDE_AFLAG_CLIK_DRIVE = BIT(15), - /* Requires BH algorithm for packets */ - IDE_AFLAG_ZIP_DRIVE = BIT(16), - /* Supports format progress report */ - IDE_AFLAG_SRFP = BIT(17), - - /* ide-tape */ - IDE_AFLAG_IGNORE_DSC = BIT(18), - /* 0 When the tape position is unknown */ - IDE_AFLAG_ADDRESS_VALID = BIT(19), - /* Device already opened */ - IDE_AFLAG_BUSY = BIT(20), - /* Attempt to auto-detect the current user block size */ - IDE_AFLAG_DETECT_BS = BIT(21), - /* Currently on a filemark */ - IDE_AFLAG_FILEMARK = BIT(22), - /* 0 = no tape is loaded, so we don't rewind after ejecting */ - IDE_AFLAG_MEDIUM_PRESENT = BIT(23), - - IDE_AFLAG_NO_AUTOCLOSE = BIT(24), -}; - -/* device flags */ -enum { - /* restore settings after device reset */ - IDE_DFLAG_KEEP_SETTINGS = BIT(0), - /* device is using DMA for read/write */ - IDE_DFLAG_USING_DMA = BIT(1), - /* okay to unmask other IRQs */ - IDE_DFLAG_UNMASK = BIT(2), - /* don't attempt flushes */ - IDE_DFLAG_NOFLUSH = BIT(3), - /* DSC overlap */ - IDE_DFLAG_DSC_OVERLAP = BIT(4), - /* give potential excess bandwidth */ - IDE_DFLAG_NICE1 = BIT(5), - /* device is physically present */ - IDE_DFLAG_PRESENT = BIT(6), - /* disable Host Protected Area */ - IDE_DFLAG_NOHPA = BIT(7), - /* id read from device (synthetic if not set) */ - IDE_DFLAG_ID_READ = BIT(8), - IDE_DFLAG_NOPROBE = BIT(9), - /* need to do check_media_change() */ - IDE_DFLAG_REMOVABLE = BIT(10), - IDE_DFLAG_FORCED_GEOM = BIT(12), - /* disallow setting unmask bit */ - IDE_DFLAG_NO_UNMASK = BIT(13), - /* disallow enabling 32-bit I/O */ - IDE_DFLAG_NO_IO_32BIT = BIT(14), - /* for removable only: door lock/unlock works */ - IDE_DFLAG_DOORLOCKING = BIT(15), - /* disallow DMA */ - IDE_DFLAG_NODMA = BIT(16), - /* powermanagement told us not to do anything, so sleep nicely */ - IDE_DFLAG_BLOCKED = BIT(17), - /* sleeping & sleep field valid */ - IDE_DFLAG_SLEEPING = BIT(18), - IDE_DFLAG_POST_RESET = BIT(19), - IDE_DFLAG_UDMA33_WARNED = BIT(20), - IDE_DFLAG_LBA48 = BIT(21), - /* status of write cache */ - IDE_DFLAG_WCACHE = BIT(22), - /* used for ignoring ATA_DF */ - IDE_DFLAG_NOWERR = BIT(23), - /* retrying in PIO */ - IDE_DFLAG_DMA_PIO_RETRY = BIT(24), - IDE_DFLAG_LBA = BIT(25), - /* don't unload heads */ - IDE_DFLAG_NO_UNLOAD = BIT(26), - /* heads unloaded, please don't reset port */ - IDE_DFLAG_PARKED = BIT(27), - IDE_DFLAG_MEDIA_CHANGED = BIT(28), - /* write protect */ - IDE_DFLAG_WP = BIT(29), - IDE_DFLAG_FORMAT_IN_PROGRESS = BIT(30), - IDE_DFLAG_NIEN_QUIRK = BIT(31), -}; - -struct ide_drive_s { - char name[4]; /* drive name, such as "hda" */ - char driver_req[10]; /* requests specific driver */ - - struct request_queue *queue; /* request queue */ - - bool (*prep_rq)(struct ide_drive_s *, struct request *); - - struct blk_mq_tag_set tag_set; - - struct request *rq; /* current request */ - void *driver_data; /* extra driver data */ - u16 *id; /* identification info */ -#ifdef CONFIG_IDE_PROC_FS - struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ - const struct ide_proc_devset *settings; /* /proc/ide/ drive settings */ -#endif - struct hwif_s *hwif; /* actually (ide_hwif_t *) */ - - const struct ide_disk_ops *disk_ops; - - unsigned long dev_flags; - - unsigned long sleep; /* sleep until this time */ - unsigned long timeout; /* max time to wait for irq */ - - u8 special_flags; /* special action flags */ - - u8 select; /* basic drive/head select reg value */ - u8 retry_pio; /* retrying dma capable host in pio */ - u8 waiting_for_dma; /* dma currently in progress */ - u8 dma; /* atapi dma flag */ - - u8 init_speed; /* transfer rate set at boot */ - u8 current_speed; /* current transfer rate set */ - u8 desired_speed; /* desired transfer rate set */ - u8 pio_mode; /* for ->set_pio_mode _only_ */ - u8 dma_mode; /* for ->set_dma_mode _only_ */ - u8 dn; /* now wide spread use */ - u8 acoustic; /* acoustic management */ - u8 media; /* disk, cdrom, tape, floppy, ... */ - u8 ready_stat; /* min status value for drive ready */ - u8 mult_count; /* current multiple sector setting */ - u8 mult_req; /* requested multiple sector setting */ - u8 io_32bit; /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */ - u8 bad_wstat; /* used for ignoring ATA_DF */ - u8 head; /* "real" number of heads */ - u8 sect; /* "real" sectors per track */ - u8 bios_head; /* BIOS/fdisk/LILO number of heads */ - u8 bios_sect; /* BIOS/fdisk/LILO sectors per track */ - - /* delay this long before sending packet command */ - u8 pc_delay; - - unsigned int bios_cyl; /* BIOS/fdisk/LILO number of cyls */ - unsigned int cyl; /* "real" number of cyls */ - void *drive_data; /* used by set_pio_mode/dev_select() */ - unsigned int failures; /* current failure count */ - unsigned int max_failures; /* maximum allowed failure count */ - u64 probed_capacity;/* initial/native media capacity */ - u64 capacity64; /* total number of sectors */ - - int lun; /* logical unit */ - int crc_count; /* crc counter to reduce drive speed */ - - unsigned long debug_mask; /* debugging levels switch */ - -#ifdef CONFIG_BLK_DEV_IDEACPI - struct ide_acpi_drive_link *acpidata; -#endif - struct list_head list; - struct device gendev; - struct completion gendev_rel_comp; /* to deal with device release() */ - - /* current packet command */ - struct ide_atapi_pc *pc; - - /* last failed packet command */ - struct ide_atapi_pc *failed_pc; - - /* callback for packet commands */ - int (*pc_callback)(struct ide_drive_s *, int); - - ide_startstop_t (*irq_handler)(struct ide_drive_s *); - - unsigned long atapi_flags; - - struct ide_atapi_pc request_sense_pc; - - /* current sense rq and buffer */ - bool sense_rq_armed; - bool sense_rq_active; - struct request *sense_rq; - struct request_sense sense_data; - - /* async sense insertion */ - struct work_struct rq_work; - struct list_head rq_list; -}; - -typedef struct ide_drive_s ide_drive_t; - -#define to_ide_device(dev) container_of(dev, ide_drive_t, gendev) - -#define to_ide_drv(obj, cont_type) \ - container_of(obj, struct cont_type, dev) - -#define ide_drv_g(disk, cont_type) \ - container_of((disk)->private_data, struct cont_type, driver) - -struct ide_port_info; - -struct ide_tp_ops { - void (*exec_command)(struct hwif_s *, u8); - u8 (*read_status)(struct hwif_s *); - u8 (*read_altstatus)(struct hwif_s *); - void (*write_devctl)(struct hwif_s *, u8); - - void (*dev_select)(ide_drive_t *); - void (*tf_load)(ide_drive_t *, struct ide_taskfile *, u8); - void (*tf_read)(ide_drive_t *, struct ide_taskfile *, u8); - - void (*input_data)(ide_drive_t *, struct ide_cmd *, - void *, unsigned int); - void (*output_data)(ide_drive_t *, struct ide_cmd *, - void *, unsigned int); -}; - -extern const struct ide_tp_ops default_tp_ops; - -/** - * struct ide_port_ops - IDE port operations - * - * @init_dev: host specific initialization of a device - * @set_pio_mode: routine to program host for PIO mode - * @set_dma_mode: routine to program host for DMA mode - * @reset_poll: chipset polling based on hba specifics - * @pre_reset: chipset specific changes to default for device-hba resets - * @resetproc: routine to reset controller after a disk reset - * @maskproc: special host masking for drive selection - * @quirkproc: check host's drive quirk list - * @clear_irq: clear IRQ - * - * @mdma_filter: filter MDMA modes - * @udma_filter: filter UDMA modes - * - * @cable_detect: detect cable type - */ -struct ide_port_ops { - void (*init_dev)(ide_drive_t *); - void (*set_pio_mode)(struct hwif_s *, ide_drive_t *); - void (*set_dma_mode)(struct hwif_s *, ide_drive_t *); - blk_status_t (*reset_poll)(ide_drive_t *); - void (*pre_reset)(ide_drive_t *); - void (*resetproc)(ide_drive_t *); - void (*maskproc)(ide_drive_t *, int); - void (*quirkproc)(ide_drive_t *); - void (*clear_irq)(ide_drive_t *); - int (*test_irq)(struct hwif_s *); - - u8 (*mdma_filter)(ide_drive_t *); - u8 (*udma_filter)(ide_drive_t *); - - u8 (*cable_detect)(struct hwif_s *); -}; - -struct ide_dma_ops { - void (*dma_host_set)(struct ide_drive_s *, int); - int (*dma_setup)(struct ide_drive_s *, struct ide_cmd *); - void (*dma_start)(struct ide_drive_s *); - int (*dma_end)(struct ide_drive_s *); - int (*dma_test_irq)(struct ide_drive_s *); - void (*dma_lost_irq)(struct ide_drive_s *); - /* below ones are optional */ - int (*dma_check)(struct ide_drive_s *, struct ide_cmd *); - int (*dma_timer_expiry)(struct ide_drive_s *); - void (*dma_clear)(struct ide_drive_s *); - /* - * The following method is optional and only required to be - * implemented for the SFF-8038i compatible controllers. - */ - u8 (*dma_sff_read_status)(struct hwif_s *); -}; - -enum { - IDE_PFLAG_PROBING = BIT(0), -}; - -struct ide_host; - -typedef struct hwif_s { - struct hwif_s *mate; /* other hwif from same PCI chip */ - struct proc_dir_entry *proc; /* /proc/ide/ directory entry */ - - struct ide_host *host; - - char name[6]; /* name of interface, eg. "ide0" */ - - struct ide_io_ports io_ports; - - unsigned long sata_scr[SATA_NR_PORTS]; - - ide_drive_t *devices[MAX_DRIVES + 1]; - - unsigned long port_flags; - - u8 major; /* our major number */ - u8 index; /* 0 for ide0; 1 for ide1; ... */ - u8 channel; /* for dual-port chips: 0=primary, 1=secondary */ - - u32 host_flags; - - u8 pio_mask; - - u8 ultra_mask; - u8 mwdma_mask; - u8 swdma_mask; - - u8 cbl; /* cable type */ - - hwif_chipset_t chipset; /* sub-module for tuning.. */ - - struct device *dev; - - void (*rw_disk)(ide_drive_t *, struct request *); - - const struct ide_tp_ops *tp_ops; - const struct ide_port_ops *port_ops; - const struct ide_dma_ops *dma_ops; - - /* dma physical region descriptor table (cpu view) */ - unsigned int *dmatable_cpu; - /* dma physical region descriptor table (dma view) */ - dma_addr_t dmatable_dma; - - /* maximum number of PRD table entries */ - int prd_max_nents; - /* PRD entry size in bytes */ - int prd_ent_size; - - /* Scatter-gather list used to build the above */ - struct scatterlist *sg_table; - int sg_max_nents; /* Maximum number of entries in it */ - - struct ide_cmd cmd; /* current command */ - - int rqsize; /* max sectors per request */ - int irq; /* our irq number */ - - unsigned long dma_base; /* base addr for dma ports */ - - unsigned long config_data; /* for use by chipset-specific code */ - unsigned long select_data; /* for use by chipset-specific code */ - - unsigned long extra_base; /* extra addr for dma ports */ - unsigned extra_ports; /* number of extra dma ports */ - - unsigned present : 1; /* this interface exists */ - unsigned busy : 1; /* serializes devices on a port */ - - struct device gendev; - struct device *portdev; - - struct completion gendev_rel_comp; /* To deal with device release() */ - - void *hwif_data; /* extra hwif data */ - -#ifdef CONFIG_BLK_DEV_IDEACPI - struct ide_acpi_hwif_link *acpidata; -#endif - - /* IRQ handler, if active */ - ide_startstop_t (*handler)(ide_drive_t *); - - /* BOOL: polling active & poll_timeout field valid */ - unsigned int polling : 1; - - /* current drive */ - ide_drive_t *cur_dev; - - /* current request */ - struct request *rq; - - /* failsafe timer */ - struct timer_list timer; - /* timeout value during long polls */ - unsigned long poll_timeout; - /* queried upon timeouts */ - int (*expiry)(ide_drive_t *); - - int req_gen; - int req_gen_timer; - - spinlock_t lock; -} ____cacheline_internodealigned_in_smp ide_hwif_t; - -#define MAX_HOST_PORTS 4 - -struct ide_host { - ide_hwif_t *ports[MAX_HOST_PORTS + 1]; - unsigned int n_ports; - struct device *dev[2]; - - int (*init_chipset)(struct pci_dev *); - - void (*get_lock)(irq_handler_t, void *); - void (*release_lock)(void); - - irq_handler_t irq_handler; - - unsigned long host_flags; - - int irq_flags; - - void *host_priv; - ide_hwif_t *cur_port; /* for hosts requiring serialization */ - - /* used for hosts requiring serialization */ - volatile unsigned long host_busy; -}; - -#define IDE_HOST_BUSY 0 - -/* - * internal ide interrupt handler type - */ -typedef ide_startstop_t (ide_handler_t)(ide_drive_t *); -typedef int (ide_expiry_t)(ide_drive_t *); - -/* used by ide-cd, ide-floppy, etc. */ -typedef void (xfer_func_t)(ide_drive_t *, struct ide_cmd *, void *, unsigned); - -extern struct mutex ide_setting_mtx; - -/* - * configurable drive settings - */ - -#define DS_SYNC BIT(0) - -struct ide_devset { - int (*get)(ide_drive_t *); - int (*set)(ide_drive_t *, int); - unsigned int flags; -}; - -#define __DEVSET(_flags, _get, _set) { \ - .flags = _flags, \ - .get = _get, \ - .set = _set, \ -} - -#define ide_devset_get(name, field) \ -static int get_##name(ide_drive_t *drive) \ -{ \ - return drive->field; \ -} - -#define ide_devset_set(name, field) \ -static int set_##name(ide_drive_t *drive, int arg) \ -{ \ - drive->field = arg; \ - return 0; \ -} - -#define ide_devset_get_flag(name, flag) \ -static int get_##name(ide_drive_t *drive) \ -{ \ - return !!(drive->dev_flags & flag); \ -} - -#define ide_devset_set_flag(name, flag) \ -static int set_##name(ide_drive_t *drive, int arg) \ -{ \ - if (arg) \ - drive->dev_flags |= flag; \ - else \ - drive->dev_flags &= ~flag; \ - return 0; \ -} - -#define __IDE_DEVSET(_name, _flags, _get, _set) \ -const struct ide_devset ide_devset_##_name = \ - __DEVSET(_flags, _get, _set) - -#define IDE_DEVSET(_name, _flags, _get, _set) \ -static __IDE_DEVSET(_name, _flags, _get, _set) - -#define ide_devset_rw(_name, _func) \ -IDE_DEVSET(_name, 0, get_##_func, set_##_func) - -#define ide_devset_w(_name, _func) \ -IDE_DEVSET(_name, 0, NULL, set_##_func) - -#define ide_ext_devset_rw(_name, _func) \ -__IDE_DEVSET(_name, 0, get_##_func, set_##_func) - -#define ide_ext_devset_rw_sync(_name, _func) \ -__IDE_DEVSET(_name, DS_SYNC, get_##_func, set_##_func) - -#define ide_decl_devset(_name) \ -extern const struct ide_devset ide_devset_##_name - -ide_decl_devset(io_32bit); -ide_decl_devset(keepsettings); -ide_decl_devset(pio_mode); -ide_decl_devset(unmaskirq); -ide_decl_devset(using_dma); - -#ifdef CONFIG_IDE_PROC_FS -/* - * /proc/ide interface - */ - -#define ide_devset_rw_field(_name, _field) \ -ide_devset_get(_name, _field); \ -ide_devset_set(_name, _field); \ -IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name) - -#define ide_devset_ro_field(_name, _field) \ -ide_devset_get(_name, _field); \ -IDE_DEVSET(_name, 0, get_##_name, NULL) - -#define ide_devset_rw_flag(_name, _field) \ -ide_devset_get_flag(_name, _field); \ -ide_devset_set_flag(_name, _field); \ -IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name) - -struct ide_proc_devset { - const char *name; - const struct ide_devset *setting; - int min, max; - int (*mulf)(ide_drive_t *); - int (*divf)(ide_drive_t *); -}; - -#define __IDE_PROC_DEVSET(_name, _min, _max, _mulf, _divf) { \ - .name = __stringify(_name), \ - .setting = &ide_devset_##_name, \ - .min = _min, \ - .max = _max, \ - .mulf = _mulf, \ - .divf = _divf, \ -} - -#define IDE_PROC_DEVSET(_name, _min, _max) \ -__IDE_PROC_DEVSET(_name, _min, _max, NULL, NULL) - -typedef struct { - const char *name; - umode_t mode; - int (*show)(struct seq_file *, void *); -} ide_proc_entry_t; - -void proc_ide_create(void); -void proc_ide_destroy(void); -void ide_proc_register_port(ide_hwif_t *); -void ide_proc_port_register_devices(ide_hwif_t *); -void ide_proc_unregister_device(ide_drive_t *); -void ide_proc_unregister_port(ide_hwif_t *); -void ide_proc_register_driver(ide_drive_t *, struct ide_driver *); -void ide_proc_unregister_driver(ide_drive_t *, struct ide_driver *); - -int ide_capacity_proc_show(struct seq_file *m, void *v); -int ide_geometry_proc_show(struct seq_file *m, void *v); -#else -static inline void proc_ide_create(void) { ; } -static inline void proc_ide_destroy(void) { ; } -static inline void ide_proc_register_port(ide_hwif_t *hwif) { ; } -static inline void ide_proc_port_register_devices(ide_hwif_t *hwif) { ; } -static inline void ide_proc_unregister_device(ide_drive_t *drive) { ; } -static inline void ide_proc_unregister_port(ide_hwif_t *hwif) { ; } -static inline void ide_proc_register_driver(ide_drive_t *drive, - struct ide_driver *driver) { ; } -static inline void ide_proc_unregister_driver(ide_drive_t *drive, - struct ide_driver *driver) { ; } -#endif - -enum { - /* enter/exit functions */ - IDE_DBG_FUNC = BIT(0), - /* sense key/asc handling */ - IDE_DBG_SENSE = BIT(1), - /* packet commands handling */ - IDE_DBG_PC = BIT(2), - /* request handling */ - IDE_DBG_RQ = BIT(3), - /* driver probing/setup */ - IDE_DBG_PROBE = BIT(4), -}; - -/* DRV_NAME has to be defined in the driver before using the macro below */ -#define __ide_debug_log(lvl, fmt, args...) \ -{ \ - if (unlikely(drive->debug_mask & lvl)) \ - printk(KERN_INFO DRV_NAME ": %s: " fmt "\n", \ - __func__, ## args); \ -} - -/* - * Power Management state machine (rq->pm->pm_step). - * - * For each step, the core calls ide_start_power_step() first. - * This can return: - * - ide_stopped : In this case, the core calls us back again unless - * step have been set to ide_power_state_completed. - * - ide_started : In this case, the channel is left busy until an - * async event (interrupt) occurs. - * Typically, ide_start_power_step() will issue a taskfile request with - * do_rw_taskfile(). - * - * Upon reception of the interrupt, the core will call ide_complete_power_step() - * with the error code if any. This routine should update the step value - * and return. It should not start a new request. The core will call - * ide_start_power_step() for the new step value, unless step have been - * set to IDE_PM_COMPLETED. - */ -enum { - IDE_PM_START_SUSPEND, - IDE_PM_FLUSH_CACHE = IDE_PM_START_SUSPEND, - IDE_PM_STANDBY, - - IDE_PM_START_RESUME, - IDE_PM_RESTORE_PIO = IDE_PM_START_RESUME, - IDE_PM_IDLE, - IDE_PM_RESTORE_DMA, - - IDE_PM_COMPLETED, -}; - -int generic_ide_suspend(struct device *, pm_message_t); -int generic_ide_resume(struct device *); - -void ide_complete_power_step(ide_drive_t *, struct request *); -ide_startstop_t ide_start_power_step(ide_drive_t *, struct request *); -void ide_complete_pm_rq(ide_drive_t *, struct request *); -void ide_check_pm_state(ide_drive_t *, struct request *); - -/* - * Subdrivers support. - * - * The gendriver.owner field should be set to the module owner of this driver. - * The gendriver.name field should be set to the name of this driver - */ -struct ide_driver { - const char *version; - ide_startstop_t (*do_request)(ide_drive_t *, struct request *, sector_t); - struct device_driver gen_driver; - int (*probe)(ide_drive_t *); - void (*remove)(ide_drive_t *); - void (*resume)(ide_drive_t *); - void (*shutdown)(ide_drive_t *); -#ifdef CONFIG_IDE_PROC_FS - ide_proc_entry_t * (*proc_entries)(ide_drive_t *); - const struct ide_proc_devset * (*proc_devsets)(ide_drive_t *); -#endif -}; - -#define to_ide_driver(drv) container_of(drv, struct ide_driver, gen_driver) - -int ide_device_get(ide_drive_t *); -void ide_device_put(ide_drive_t *); - -struct ide_ioctl_devset { - unsigned int get_ioctl; - unsigned int set_ioctl; - const struct ide_devset *setting; -}; - -int ide_setting_ioctl(ide_drive_t *, struct block_device *, unsigned int, - unsigned long, const struct ide_ioctl_devset *); - -int generic_ide_ioctl(ide_drive_t *, struct block_device *, unsigned, unsigned long); - -extern int ide_vlb_clk; -extern int ide_pci_clk; - -int ide_end_rq(ide_drive_t *, struct request *, blk_status_t, unsigned int); -void ide_kill_rq(ide_drive_t *, struct request *); -void ide_insert_request_head(ide_drive_t *, struct request *); - -void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int); -void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int); - -void ide_execute_command(ide_drive_t *, struct ide_cmd *, ide_handler_t *, - unsigned int); - -void ide_pad_transfer(ide_drive_t *, int, int); - -ide_startstop_t ide_error(ide_drive_t *, const char *, u8); - -void ide_fix_driveid(u16 *); - -extern void ide_fixstring(u8 *, const int, const int); - -int ide_busy_sleep(ide_drive_t *, unsigned long, int); - -int __ide_wait_stat(ide_drive_t *, u8, u8, unsigned long, u8 *); -int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long); - -ide_startstop_t ide_do_park_unpark(ide_drive_t *, struct request *); -ide_startstop_t ide_do_devset(ide_drive_t *, struct request *); - -extern ide_startstop_t ide_do_reset (ide_drive_t *); - -extern int ide_devset_execute(ide_drive_t *drive, - const struct ide_devset *setting, int arg); - -void ide_complete_cmd(ide_drive_t *, struct ide_cmd *, u8, u8); -int ide_complete_rq(ide_drive_t *, blk_status_t, unsigned int); - -void ide_tf_readback(ide_drive_t *drive, struct ide_cmd *cmd); -void ide_tf_dump(const char *, struct ide_cmd *); - -void ide_exec_command(ide_hwif_t *, u8); -u8 ide_read_status(ide_hwif_t *); -u8 ide_read_altstatus(ide_hwif_t *); -void ide_write_devctl(ide_hwif_t *, u8); - -void ide_dev_select(ide_drive_t *); -void ide_tf_load(ide_drive_t *, struct ide_taskfile *, u8); -void ide_tf_read(ide_drive_t *, struct ide_taskfile *, u8); - -void ide_input_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int); -void ide_output_data(ide_drive_t *, struct ide_cmd *, void *, unsigned int); - -void SELECT_MASK(ide_drive_t *, int); - -u8 ide_read_error(ide_drive_t *); -void ide_read_bcount_and_ireason(ide_drive_t *, u16 *, u8 *); - -int ide_check_ireason(ide_drive_t *, struct request *, int, int, int); - -int ide_check_atapi_device(ide_drive_t *, const char *); - -void ide_init_pc(struct ide_atapi_pc *); - -/* Disk head parking */ -extern wait_queue_head_t ide_park_wq; -ssize_t ide_park_show(struct device *dev, struct device_attribute *attr, - char *buf); -ssize_t ide_park_store(struct device *dev, struct device_attribute *attr, - const char *buf, size_t len); - -/* - * Special requests for ide-tape block device strategy routine. - * - * In order to service a character device command, we add special requests to - * the tail of our block device request queue and wait for their completion. - */ -enum { - REQ_IDETAPE_PC1 = BIT(0), /* packet command (first stage) */ - REQ_IDETAPE_PC2 = BIT(1), /* packet command (second stage) */ - REQ_IDETAPE_READ = BIT(2), - REQ_IDETAPE_WRITE = BIT(3), -}; - -int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *, - void *, unsigned int); - -int ide_do_test_unit_ready(ide_drive_t *, struct gendisk *); -int ide_do_start_stop(ide_drive_t *, struct gendisk *, int); -int ide_set_media_lock(ide_drive_t *, struct gendisk *, int); -void ide_create_request_sense_cmd(ide_drive_t *, struct ide_atapi_pc *); -void ide_retry_pc(ide_drive_t *drive); - -void ide_prep_sense(ide_drive_t *drive, struct request *rq); -int ide_queue_sense_rq(ide_drive_t *drive, void *special); - -int ide_cd_expiry(ide_drive_t *); - -int ide_cd_get_xferlen(struct request *); - -ide_startstop_t ide_issue_pc(ide_drive_t *, struct ide_cmd *); - -ide_startstop_t do_rw_taskfile(ide_drive_t *, struct ide_cmd *); - -void ide_pio_bytes(ide_drive_t *, struct ide_cmd *, unsigned int, unsigned int); - -void ide_finish_cmd(ide_drive_t *, struct ide_cmd *, u8); - -int ide_raw_taskfile(ide_drive_t *, struct ide_cmd *, u8 *, u16); -int ide_no_data_taskfile(ide_drive_t *, struct ide_cmd *); - -int ide_taskfile_ioctl(ide_drive_t *, unsigned long); - -int ide_dev_read_id(ide_drive_t *, u8, u16 *, int); - -extern int ide_driveid_update(ide_drive_t *); -extern int ide_config_drive_speed(ide_drive_t *, u8); -extern u8 eighty_ninty_three (ide_drive_t *); -extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *); - -extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout); - -extern void ide_stall_queue(ide_drive_t *drive, unsigned long timeout); - -extern void ide_timer_expiry(struct timer_list *t); -extern irqreturn_t ide_intr(int irq, void *dev_id); -extern blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *, const struct blk_mq_queue_data *); -extern blk_status_t ide_issue_rq(ide_drive_t *, struct request *, bool); -extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq); - -void ide_init_disk(struct gendisk *, ide_drive_t *); - -#ifdef CONFIG_IDEPCI_PCIBUS_ORDER -extern int __ide_pci_register_driver(struct pci_driver *driver, struct module *owner, const char *mod_name); -#define ide_pci_register_driver(d) __ide_pci_register_driver(d, THIS_MODULE, KBUILD_MODNAME) -#else -#define ide_pci_register_driver(d) pci_register_driver(d) -#endif - -static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev) -{ - if ((dev->class >> 8) == PCI_CLASS_STORAGE_IDE && (dev->class & 5) != 5) - return 1; - return 0; -} - -void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, - struct ide_hw *, struct ide_hw **); -void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *); - -#ifdef CONFIG_BLK_DEV_IDEDMA_PCI -int ide_pci_set_master(struct pci_dev *, const char *); -unsigned long ide_pci_dma_base(ide_hwif_t *, const struct ide_port_info *); -int ide_pci_check_simplex(ide_hwif_t *, const struct ide_port_info *); -int ide_hwif_setup_dma(ide_hwif_t *, const struct ide_port_info *); -#else -static inline int ide_hwif_setup_dma(ide_hwif_t *hwif, - const struct ide_port_info *d) -{ - return -EINVAL; -} -#endif - -struct ide_pci_enablebit { - u8 reg; /* byte pci reg holding the enable-bit */ - u8 mask; /* mask to isolate the enable-bit */ - u8 val; /* value of masked reg when "enabled" */ -}; - -enum { - /* Uses ISA control ports not PCI ones. */ - IDE_HFLAG_ISA_PORTS = BIT(0), - /* single port device */ - IDE_HFLAG_SINGLE = BIT(1), - /* don't use legacy PIO blacklist */ - IDE_HFLAG_PIO_NO_BLACKLIST = BIT(2), - /* set for the second port of QD65xx */ - IDE_HFLAG_QD_2ND_PORT = BIT(3), - /* use PIO8/9 for prefetch off/on */ - IDE_HFLAG_ABUSE_PREFETCH = BIT(4), - /* use PIO6/7 for fast-devsel off/on */ - IDE_HFLAG_ABUSE_FAST_DEVSEL = BIT(5), - /* use 100-102 and 200-202 PIO values to set DMA modes */ - IDE_HFLAG_ABUSE_DMA_MODES = BIT(6), - /* - * keep DMA setting when programming PIO mode, may be used only - * for hosts which have separate PIO and DMA timings (ie. PMAC) - */ - IDE_HFLAG_SET_PIO_MODE_KEEP_DMA = BIT(7), - /* program host for the transfer mode after programming device */ - IDE_HFLAG_POST_SET_MODE = BIT(8), - /* don't program host/device for the transfer mode ("smart" hosts) */ - IDE_HFLAG_NO_SET_MODE = BIT(9), - /* trust BIOS for programming chipset/device for DMA */ - IDE_HFLAG_TRUST_BIOS_FOR_DMA = BIT(10), - /* host is CS5510/CS5520 */ - IDE_HFLAG_CS5520 = BIT(11), - /* ATAPI DMA is unsupported */ - IDE_HFLAG_NO_ATAPI_DMA = BIT(12), - /* set if host is a "non-bootable" controller */ - IDE_HFLAG_NON_BOOTABLE = BIT(13), - /* host doesn't support DMA */ - IDE_HFLAG_NO_DMA = BIT(14), - /* check if host is PCI IDE device before allowing DMA */ - IDE_HFLAG_NO_AUTODMA = BIT(15), - /* host uses MMIO */ - IDE_HFLAG_MMIO = BIT(16), - /* no LBA48 */ - IDE_HFLAG_NO_LBA48 = BIT(17), - /* no LBA48 DMA */ - IDE_HFLAG_NO_LBA48_DMA = BIT(18), - /* data FIFO is cleared by an error */ - IDE_HFLAG_ERROR_STOPS_FIFO = BIT(19), - /* serialize ports */ - IDE_HFLAG_SERIALIZE = BIT(20), - /* host is DTC2278 */ - IDE_HFLAG_DTC2278 = BIT(21), - /* 4 devices on a single set of I/O ports */ - IDE_HFLAG_4DRIVES = BIT(22), - /* host is TRM290 */ - IDE_HFLAG_TRM290 = BIT(23), - /* use 32-bit I/O ops */ - IDE_HFLAG_IO_32BIT = BIT(24), - /* unmask IRQs */ - IDE_HFLAG_UNMASK_IRQS = BIT(25), - IDE_HFLAG_BROKEN_ALTSTATUS = BIT(26), - /* serialize ports if DMA is possible (for sl82c105) */ - IDE_HFLAG_SERIALIZE_DMA = BIT(27), - /* force host out of "simplex" mode */ - IDE_HFLAG_CLEAR_SIMPLEX = BIT(28), - /* DSC overlap is unsupported */ - IDE_HFLAG_NO_DSC = BIT(29), - /* never use 32-bit I/O ops */ - IDE_HFLAG_NO_IO_32BIT = BIT(30), - /* never unmask IRQs */ - IDE_HFLAG_NO_UNMASK_IRQS = BIT(31), -}; - -#ifdef CONFIG_BLK_DEV_OFFBOARD -# define IDE_HFLAG_OFF_BOARD 0 -#else -# define IDE_HFLAG_OFF_BOARD IDE_HFLAG_NON_BOOTABLE -#endif - -struct ide_port_info { - char *name; - - int (*init_chipset)(struct pci_dev *); - - void (*get_lock)(irq_handler_t, void *); - void (*release_lock)(void); - - void (*init_iops)(ide_hwif_t *); - void (*init_hwif)(ide_hwif_t *); - int (*init_dma)(ide_hwif_t *, - const struct ide_port_info *); - - const struct ide_tp_ops *tp_ops; - const struct ide_port_ops *port_ops; - const struct ide_dma_ops *dma_ops; - - struct ide_pci_enablebit enablebits[2]; - - hwif_chipset_t chipset; - - u16 max_sectors; /* if < than the default one */ - - u32 host_flags; - - int irq_flags; - - u8 pio_mask; - u8 swdma_mask; - u8 mwdma_mask; - u8 udma_mask; -}; - -/* - * State information carried for REQ_TYPE_ATA_PM_SUSPEND and REQ_TYPE_ATA_PM_RESUME - * requests. - */ -struct ide_pm_state { - /* PM state machine step value, currently driver specific */ - int pm_step; - /* requested PM state value (S1, S2, S3, S4, ...) */ - u32 pm_state; - void* data; /* for driver use */ -}; - - -int ide_pci_init_one(struct pci_dev *, const struct ide_port_info *, void *); -int ide_pci_init_two(struct pci_dev *, struct pci_dev *, - const struct ide_port_info *, void *); -void ide_pci_remove(struct pci_dev *); - -#ifdef CONFIG_PM -int ide_pci_suspend(struct pci_dev *, pm_message_t); -int ide_pci_resume(struct pci_dev *); -#else -#define ide_pci_suspend NULL -#define ide_pci_resume NULL -#endif - -void ide_map_sg(ide_drive_t *, struct ide_cmd *); -void ide_init_sg_cmd(struct ide_cmd *, unsigned int); - -#define BAD_DMA_DRIVE 0 -#define GOOD_DMA_DRIVE 1 - -struct drive_list_entry { - const char *id_model; - const char *id_firmware; -}; - -int ide_in_drive_list(u16 *, const struct drive_list_entry *); - -#ifdef CONFIG_BLK_DEV_IDEDMA -int ide_dma_good_drive(ide_drive_t *); -int __ide_dma_bad_drive(ide_drive_t *); - -u8 ide_find_dma_mode(ide_drive_t *, u8); - -static inline u8 ide_max_dma_mode(ide_drive_t *drive) -{ - return ide_find_dma_mode(drive, XFER_UDMA_6); -} - -void ide_dma_off_quietly(ide_drive_t *); -void ide_dma_off(ide_drive_t *); -void ide_dma_on(ide_drive_t *); -int ide_set_dma(ide_drive_t *); -void ide_check_dma_crc(ide_drive_t *); -ide_startstop_t ide_dma_intr(ide_drive_t *); - -int ide_allocate_dma_engine(ide_hwif_t *); -void ide_release_dma_engine(ide_hwif_t *); - -int ide_dma_prepare(ide_drive_t *, struct ide_cmd *); -void ide_dma_unmap_sg(ide_drive_t *, struct ide_cmd *); - -#ifdef CONFIG_BLK_DEV_IDEDMA_SFF -int config_drive_for_dma(ide_drive_t *); -int ide_build_dmatable(ide_drive_t *, struct ide_cmd *); -void ide_dma_host_set(ide_drive_t *, int); -int ide_dma_setup(ide_drive_t *, struct ide_cmd *); -extern void ide_dma_start(ide_drive_t *); -int ide_dma_end(ide_drive_t *); -int ide_dma_test_irq(ide_drive_t *); -int ide_dma_sff_timer_expiry(ide_drive_t *); -u8 ide_dma_sff_read_status(ide_hwif_t *); -extern const struct ide_dma_ops sff_dma_ops; -#else -static inline int config_drive_for_dma(ide_drive_t *drive) { return 0; } -#endif /* CONFIG_BLK_DEV_IDEDMA_SFF */ - -void ide_dma_lost_irq(ide_drive_t *); -ide_startstop_t ide_dma_timeout_retry(ide_drive_t *, int); - -#else -static inline u8 ide_find_dma_mode(ide_drive_t *drive, u8 speed) { return 0; } -static inline u8 ide_max_dma_mode(ide_drive_t *drive) { return 0; } -static inline void ide_dma_off_quietly(ide_drive_t *drive) { ; } -static inline void ide_dma_off(ide_drive_t *drive) { ; } -static inline void ide_dma_on(ide_drive_t *drive) { ; } -static inline void ide_dma_verbose(ide_drive_t *drive) { ; } -static inline int ide_set_dma(ide_drive_t *drive) { return 1; } -static inline void ide_check_dma_crc(ide_drive_t *drive) { ; } -static inline ide_startstop_t ide_dma_intr(ide_drive_t *drive) { return ide_stopped; } -static inline ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error) { return ide_stopped; } -static inline void ide_release_dma_engine(ide_hwif_t *hwif) { ; } -static inline int ide_dma_prepare(ide_drive_t *drive, - struct ide_cmd *cmd) { return 1; } -static inline void ide_dma_unmap_sg(ide_drive_t *drive, - struct ide_cmd *cmd) { ; } -#endif /* CONFIG_BLK_DEV_IDEDMA */ - -#ifdef CONFIG_BLK_DEV_IDEACPI -int ide_acpi_init(void); -bool ide_port_acpi(ide_hwif_t *hwif); -extern int ide_acpi_exec_tfs(ide_drive_t *drive); -extern void ide_acpi_get_timing(ide_hwif_t *hwif); -extern void ide_acpi_push_timing(ide_hwif_t *hwif); -void ide_acpi_init_port(ide_hwif_t *); -void ide_acpi_port_init_devices(ide_hwif_t *); -extern void ide_acpi_set_state(ide_hwif_t *hwif, int on); -#else -static inline int ide_acpi_init(void) { return 0; } -static inline bool ide_port_acpi(ide_hwif_t *hwif) { return 0; } -static inline int ide_acpi_exec_tfs(ide_drive_t *drive) { return 0; } -static inline void ide_acpi_get_timing(ide_hwif_t *hwif) { ; } -static inline void ide_acpi_push_timing(ide_hwif_t *hwif) { ; } -static inline void ide_acpi_init_port(ide_hwif_t *hwif) { ; } -static inline void ide_acpi_port_init_devices(ide_hwif_t *hwif) { ; } -static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} -#endif - -void ide_check_nien_quirk_list(ide_drive_t *); -void ide_undecoded_slave(ide_drive_t *); - -void ide_port_apply_params(ide_hwif_t *); -int ide_sysfs_register_port(ide_hwif_t *); - -struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **, - unsigned int); -void ide_host_free(struct ide_host *); -int ide_host_register(struct ide_host *, const struct ide_port_info *, - struct ide_hw **); -int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int, - struct ide_host **); -void ide_host_remove(struct ide_host *); -int ide_legacy_device_add(const struct ide_port_info *, unsigned long); -void ide_port_unregister_devices(ide_hwif_t *); -void ide_port_scan(ide_hwif_t *); - -static inline void *ide_get_hwifdata (ide_hwif_t * hwif) -{ - return hwif->hwif_data; -} - -static inline void ide_set_hwifdata (ide_hwif_t * hwif, void *data) -{ - hwif->hwif_data = data; -} - -u64 ide_get_lba_addr(struct ide_cmd *, int); -u8 ide_dump_status(ide_drive_t *, const char *, u8); - -struct ide_timing { - u8 mode; - u8 setup; /* t1 */ - u16 act8b; /* t2 for 8-bit io */ - u16 rec8b; /* t2i for 8-bit io */ - u16 cyc8b; /* t0 for 8-bit io */ - u16 active; /* t2 or tD */ - u16 recover; /* t2i or tK */ - u16 cycle; /* t0 */ - u16 udma; /* t2CYCTYP/2 */ -}; - -enum { - IDE_TIMING_SETUP = BIT(0), - IDE_TIMING_ACT8B = BIT(1), - IDE_TIMING_REC8B = BIT(2), - IDE_TIMING_CYC8B = BIT(3), - IDE_TIMING_8BIT = IDE_TIMING_ACT8B | IDE_TIMING_REC8B | - IDE_TIMING_CYC8B, - IDE_TIMING_ACTIVE = BIT(4), - IDE_TIMING_RECOVER = BIT(5), - IDE_TIMING_CYCLE = BIT(6), - IDE_TIMING_UDMA = BIT(7), - IDE_TIMING_ALL = IDE_TIMING_SETUP | IDE_TIMING_8BIT | - IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER | - IDE_TIMING_CYCLE | IDE_TIMING_UDMA, -}; - -struct ide_timing *ide_timing_find_mode(u8); -u16 ide_pio_cycle_time(ide_drive_t *, u8); -void ide_timing_merge(struct ide_timing *, struct ide_timing *, - struct ide_timing *, unsigned int); -int ide_timing_compute(ide_drive_t *, u8, struct ide_timing *, int, int); - -#ifdef CONFIG_IDE_XFER_MODE -int ide_scan_pio_blacklist(char *); -const char *ide_xfer_verbose(u8); -int ide_pio_need_iordy(ide_drive_t *, const u8); -int ide_set_pio_mode(ide_drive_t *, u8); -int ide_set_dma_mode(ide_drive_t *, u8); -void ide_set_pio(ide_drive_t *, u8); -int ide_set_xfer_rate(ide_drive_t *, u8); -#else -static inline void ide_set_pio(ide_drive_t *drive, u8 pio) { ; } -static inline int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) { return -1; } -#endif - -static inline void ide_set_max_pio(ide_drive_t *drive) -{ - ide_set_pio(drive, 255); -} - -char *ide_media_string(ide_drive_t *); - -extern const struct attribute_group *ide_dev_groups[]; -extern struct bus_type ide_bus_type; -extern struct class *ide_port_class; - -static inline void ide_dump_identify(u8 *id) -{ - print_hex_dump(KERN_INFO, "", DUMP_PREFIX_NONE, 16, 2, id, 512, 0); -} - -static inline int hwif_to_node(ide_hwif_t *hwif) -{ - return hwif->dev ? dev_to_node(hwif->dev) : -1; -} - -static inline ide_drive_t *ide_get_pair_dev(ide_drive_t *drive) -{ - ide_drive_t *peer = drive->hwif->devices[(drive->dn ^ 1) & 1]; - - return (peer->dev_flags & IDE_DFLAG_PRESENT) ? peer : NULL; -} - -static inline void *ide_get_drivedata(ide_drive_t *drive) -{ - return drive->drive_data; -} - -static inline void ide_set_drivedata(ide_drive_t *drive, void *data) -{ - drive->drive_data = data; -} - -#define ide_port_for_each_dev(i, dev, port) \ - for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++) - -#define ide_port_for_each_present_dev(i, dev, port) \ - for ((i) = 0; ((dev) = (port)->devices[i]) || (i) < MAX_DRIVES; (i)++) \ - if ((dev)->dev_flags & IDE_DFLAG_PRESENT) - -#define ide_host_for_each_port(i, port, host) \ - for ((i) = 0; ((port) = (host)->ports[i]) || (i) < MAX_HOST_PORTS; (i)++) - - -#endif /* _IDE_H */ diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 2967437f1b11..694264503119 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -9,7 +9,7 @@ * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net> * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH * Copyright (c) 2016 - 2017 Intel Deutschland GmbH - * Copyright (c) 2018 - 2020 Intel Corporation + * Copyright (c) 2018 - 2021 Intel Corporation */ #ifndef LINUX_IEEE80211_H @@ -1088,6 +1088,48 @@ struct ieee80211_ext { } u; } __packed __aligned(2); +#define IEEE80211_TWT_CONTROL_NDP BIT(0) +#define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1) +#define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3) +#define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4) +#define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5) + +#define IEEE80211_TWT_REQTYPE_REQUEST BIT(0) +#define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1) +#define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4) +#define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5) +#define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6) +#define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7) +#define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10) +#define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15) + +enum ieee80211_twt_setup_cmd { + TWT_SETUP_CMD_REQUEST, + TWT_SETUP_CMD_SUGGEST, + TWT_SETUP_CMD_DEMAND, + TWT_SETUP_CMD_GROUPING, + TWT_SETUP_CMD_ACCEPT, + TWT_SETUP_CMD_ALTERNATE, + TWT_SETUP_CMD_DICTATE, + TWT_SETUP_CMD_REJECT, +}; + +struct ieee80211_twt_params { + __le16 req_type; + __le64 twt; + u8 min_twt_dur; + __le16 mantissa; + u8 channel; +} __packed; + +struct ieee80211_twt_setup { + u8 dialog_token; + u8 element_id; + u8 length; + u8 control; + u8 params[]; +} __packed; + struct ieee80211_mgmt { __le16 frame_control; __le16 duration; @@ -1252,6 +1294,10 @@ struct ieee80211_mgmt { __le16 toa_error; u8 variable[0]; } __packed ftm; + struct { + u8 action_code; + u8 variable[]; + } __packed s1g; } u; } __packed action; } u; @@ -2179,6 +2225,8 @@ int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap, #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0 +#define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01 + /* 802.11ax HE TX/RX MCS NSS Support */ #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3) #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6) @@ -2264,6 +2312,9 @@ ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info) #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000 +#define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0 +#define IEEE80211_6GHZ_CTRL_REG_SP_AP 1 + /** * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field * @primary: primary channel @@ -2280,6 +2331,7 @@ struct ieee80211_he_6ghz_oper { #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4 +#define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38 u8 control; u8 ccfs0; u8 ccfs1; @@ -2287,6 +2339,44 @@ struct ieee80211_he_6ghz_oper { } __packed; /* + * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021", + * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation + * subfield encoding", and two category for each type in "Table E-12-Regulatory + * Info subfield encoding in the United States". + * So it it totally max 8 Transmit Power Envelope element. + */ +#define IEEE80211_TPE_MAX_IE_COUNT 8 +/* + * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield" + * of "IEEE Std 802.11ax™‐2021", the max power level is 8. + */ +#define IEEE80211_MAX_NUM_PWR_LEVEL 8 + +#define IEEE80211_TPE_MAX_POWER_COUNT 8 + +/* transmit power interpretation type of transmit power envelope element */ +enum ieee80211_tx_power_intrpt_type { + IEEE80211_TPE_LOCAL_EIRP, + IEEE80211_TPE_LOCAL_EIRP_PSD, + IEEE80211_TPE_REG_CLIENT_EIRP, + IEEE80211_TPE_REG_CLIENT_EIRP_PSD, +}; + +/** + * struct ieee80211_tx_pwr_env + * + * This structure represents the "Transmit Power Envelope element" + */ +struct ieee80211_tx_pwr_env { + u8 tx_power_info; + s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT]; +} __packed; + +#define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7 +#define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38 +#define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0 + +/* * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size * @he_oper_ie: byte data of the He Operations IE, stating from the byte * after the ext ID byte. It is assumed that he_oper_ie has at least @@ -2867,7 +2957,7 @@ enum ieee80211_eid { WLAN_EID_VHT_OPERATION = 192, WLAN_EID_EXTENDED_BSS_LOAD = 193, WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194, - WLAN_EID_VHT_TX_POWER_ENVELOPE = 195, + WLAN_EID_TX_POWER_ENVELOPE = 195, WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196, WLAN_EID_AID = 197, WLAN_EID_QUIET_CHANNEL = 198, @@ -2879,6 +2969,7 @@ enum ieee80211_eid { WLAN_EID_AID_RESPONSE = 211, WLAN_EID_S1G_BCN_COMPAT = 213, WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214, + WLAN_EID_S1G_TWT = 216, WLAN_EID_S1G_CAPABILITIES = 217, WLAN_EID_VENDOR_SPECIFIC = 221, WLAN_EID_QOS_PARAMETER = 222, @@ -2933,6 +3024,7 @@ enum ieee80211_category { WLAN_CATEGORY_BACK = 3, WLAN_CATEGORY_PUBLIC = 4, WLAN_CATEGORY_RADIO_MEASUREMENT = 5, + WLAN_CATEGORY_FAST_BBS_TRANSITION = 6, WLAN_CATEGORY_HT = 7, WLAN_CATEGORY_SA_QUERY = 8, WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9, @@ -2947,6 +3039,7 @@ enum ieee80211_category { WLAN_CATEGORY_FST = 18, WLAN_CATEGORY_UNPROT_DMG = 20, WLAN_CATEGORY_VHT = 21, + WLAN_CATEGORY_S1G = 22, WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126, WLAN_CATEGORY_VENDOR_SPECIFIC = 127, }; @@ -3020,6 +3113,20 @@ enum ieee80211_key_len { WLAN_KEY_LEN_BIP_GMAC_256 = 32, }; +enum ieee80211_s1g_actioncode { + WLAN_S1G_AID_SWITCH_REQUEST, + WLAN_S1G_AID_SWITCH_RESPONSE, + WLAN_S1G_SYNC_CONTROL, + WLAN_S1G_STA_INFO_ANNOUNCE, + WLAN_S1G_EDCA_PARAM_SET, + WLAN_S1G_EL_OPERATION, + WLAN_S1G_TWT_SETUP, + WLAN_S1G_TWT_TEARDOWN, + WLAN_S1G_SECT_GROUP_ID_LIST, + WLAN_S1G_SECT_ID_FEEDBACK, + WLAN_S1G_TWT_INFORMATION = 11, +}; + #define IEEE80211_WEP_IV_LEN 4 #define IEEE80211_WEP_ICV_LEN 4 #define IEEE80211_CCMP_HDR_LEN 8 @@ -3110,6 +3217,11 @@ enum ieee80211_tdls_actioncode { */ #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6) +/* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte + * of the @WLAN_EID_EXT_CAPABILITY information element + */ +#define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7) + /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */ #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4) #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5) diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h index bf5c5f32c65e..b712217f7030 100644 --- a/include/linux/if_arp.h +++ b/include/linux/if_arp.h @@ -48,6 +48,7 @@ static inline bool dev_is_mac_header_xmit(const struct net_device *dev) case ARPHRD_TUNNEL6: case ARPHRD_SIT: case ARPHRD_IPGRE: + case ARPHRD_IP6GRE: case ARPHRD_VOID: case ARPHRD_NONE: case ARPHRD_RAWIP: diff --git a/include/linux/if_bridge.h b/include/linux/if_bridge.h index 2cc35038a8ca..509e18c7e740 100644 --- a/include/linux/if_bridge.h +++ b/include/linux/if_bridge.h @@ -57,20 +57,25 @@ struct br_ip_list { #define BR_MRP_AWARE BIT(17) #define BR_MRP_LOST_CONT BIT(18) #define BR_MRP_LOST_IN_CONT BIT(19) +#define BR_TX_FWD_OFFLOAD BIT(20) #define BR_DEFAULT_AGEING_TIME (300 * HZ) -extern void brioctl_set(int (*ioctl_hook)(struct net *, unsigned int, void __user *)); +struct net_bridge; +void brioctl_set(int (*hook)(struct net *net, struct net_bridge *br, + unsigned int cmd, struct ifreq *ifr, + void __user *uarg)); +int br_ioctl_call(struct net *net, struct net_bridge *br, unsigned int cmd, + struct ifreq *ifr, void __user *uarg); #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_IGMP_SNOOPING) int br_multicast_list_adjacent(struct net_device *dev, struct list_head *br_ip_list); bool br_multicast_has_querier_anywhere(struct net_device *dev, int proto); bool br_multicast_has_querier_adjacent(struct net_device *dev, int proto); +bool br_multicast_has_router_adjacent(struct net_device *dev, int proto); bool br_multicast_enabled(const struct net_device *dev); bool br_multicast_router(const struct net_device *dev); -int br_mdb_replay(struct net_device *br_dev, struct net_device *dev, - struct notifier_block *nb, struct netlink_ext_ack *extack); #else static inline int br_multicast_list_adjacent(struct net_device *dev, struct list_head *br_ip_list) @@ -87,6 +92,13 @@ static inline bool br_multicast_has_querier_adjacent(struct net_device *dev, { return false; } + +static inline bool br_multicast_has_router_adjacent(struct net_device *dev, + int proto) +{ + return true; +} + static inline bool br_multicast_enabled(const struct net_device *dev) { return false; @@ -95,13 +107,6 @@ static inline bool br_multicast_router(const struct net_device *dev) { return false; } -static inline int br_mdb_replay(struct net_device *br_dev, - struct net_device *dev, - struct notifier_block *nb, - struct netlink_ext_ack *extack) -{ - return -EOPNOTSUPP; -} #endif #if IS_ENABLED(CONFIG_BRIDGE) && IS_ENABLED(CONFIG_BRIDGE_VLAN_FILTERING) @@ -111,8 +116,8 @@ int br_vlan_get_pvid_rcu(const struct net_device *dev, u16 *p_pvid); int br_vlan_get_proto(const struct net_device *dev, u16 *p_proto); int br_vlan_get_info(const struct net_device *dev, u16 vid, struct bridge_vlan_info *p_vinfo); -int br_vlan_replay(struct net_device *br_dev, struct net_device *dev, - struct notifier_block *nb, struct netlink_ext_ack *extack); +int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid, + struct bridge_vlan_info *p_vinfo); #else static inline bool br_vlan_enabled(const struct net_device *dev) { @@ -140,12 +145,10 @@ static inline int br_vlan_get_info(const struct net_device *dev, u16 vid, return -EINVAL; } -static inline int br_vlan_replay(struct net_device *br_dev, - struct net_device *dev, - struct notifier_block *nb, - struct netlink_ext_ack *extack) +static inline int br_vlan_get_info_rcu(const struct net_device *dev, u16 vid, + struct bridge_vlan_info *p_vinfo) { - return -EOPNOTSUPP; + return -EINVAL; } #endif @@ -156,9 +159,7 @@ struct net_device *br_fdb_find_port(const struct net_device *br_dev, void br_fdb_clear_offload(const struct net_device *dev, u16 vid); bool br_port_flag_is_set(const struct net_device *dev, unsigned long flag); u8 br_port_get_stp_state(const struct net_device *dev); -clock_t br_get_ageing_time(struct net_device *br_dev); -int br_fdb_replay(struct net_device *br_dev, struct net_device *dev, - struct notifier_block *nb); +clock_t br_get_ageing_time(const struct net_device *br_dev); #else static inline struct net_device * br_fdb_find_port(const struct net_device *br_dev, @@ -183,17 +184,10 @@ static inline u8 br_port_get_stp_state(const struct net_device *dev) return BR_STATE_DISABLED; } -static inline clock_t br_get_ageing_time(struct net_device *br_dev) +static inline clock_t br_get_ageing_time(const struct net_device *br_dev) { return 0; } - -static inline int br_fdb_replay(struct net_device *br_dev, - struct net_device *dev, - struct notifier_block *nb) -{ - return -EOPNOTSUPP; -} #endif #endif diff --git a/include/linux/if_rmnet.h b/include/linux/if_rmnet.h index 4efb537f57f3..10e7521ecb6c 100644 --- a/include/linux/if_rmnet.h +++ b/include/linux/if_rmnet.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0-only - * Copyright (c) 2013-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2013-2019, 2021 The Linux Foundation. All rights reserved. */ #ifndef _LINUX_IF_RMNET_H_ @@ -12,10 +12,12 @@ struct rmnet_map_header { } __aligned(1); /* rmnet_map_header flags field: - * PAD_LEN: number of pad bytes following packet data - * CMD: 1 = packet contains a MAP command; 0 = packet contains data + * PAD_LEN: number of pad bytes following packet data + * CMD: 1 = packet contains a MAP command; 0 = packet contains data + * NEXT_HEADER: 1 = packet contains V5 CSUM header 0 = no V5 CSUM header */ #define MAP_PAD_LEN_MASK GENMASK(5, 0) +#define MAP_NEXT_HEADER_FLAG BIT(6) #define MAP_CMD_FLAG BIT(7) struct rmnet_map_dl_csum_trailer { @@ -23,7 +25,7 @@ struct rmnet_map_dl_csum_trailer { u8 flags; /* MAP_CSUM_DL_VALID_FLAG */ __be16 csum_start_offset; __be16 csum_length; - __be16 csum_value; + __sum16 csum_value; } __aligned(1); /* rmnet_map_dl_csum_trailer flags field: @@ -45,4 +47,26 @@ struct rmnet_map_ul_csum_header { #define MAP_CSUM_UL_UDP_FLAG BIT(14) #define MAP_CSUM_UL_ENABLED_FLAG BIT(15) +/* MAP CSUM headers */ +struct rmnet_map_v5_csum_header { + u8 header_info; + u8 csum_info; + __be16 reserved; +} __aligned(1); + +/* v5 header_info field + * NEXT_HEADER: represents whether there is any next header + * HEADER_TYPE: represents the type of this header + * + * csum_info field + * CSUM_VALID_OR_REQ: + * 1 = for UL, checksum computation is requested. + * 1 = for DL, validated the checksum and has found it valid + */ + +#define MAPV5_HDRINFO_NXT_HDR_FLAG BIT(0) +#define MAPV5_HDRINFO_HDR_TYPE_FMASK GENMASK(7, 1) +#define MAPV5_CSUMINFO_VALID_FLAG BIT(7) + +#define RMNET_MAP_HEADER_TYPE_CSUM_OFFLOAD 2 #endif /* !(_LINUX_IF_RMNET_H_) */ diff --git a/include/linux/igmp.h b/include/linux/igmp.h index 64ce8cd1cfaf..93c262ecbdc9 100644 --- a/include/linux/igmp.h +++ b/include/linux/igmp.h @@ -41,9 +41,6 @@ struct ip_sf_socklist { __be32 sl_addr[]; }; -#define IP_SFLSIZE(count) (sizeof(struct ip_sf_socklist) + \ - (count) * sizeof(__be32)) - #define IP_SFBLOCK 10 /* allocate this many at once */ /* ip_mc_socklist is real list now. Speed is not argument; diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc/ad_sigma_delta.h index 7199280d89ca..c525fd51652f 100644 --- a/include/linux/iio/adc/ad_sigma_delta.h +++ b/include/linux/iio/adc/ad_sigma_delta.h @@ -26,6 +26,7 @@ struct ad_sd_calib_data { }; struct ad_sigma_delta; +struct device; struct iio_dev; /** @@ -132,8 +133,7 @@ int ad_sd_calibrate_all(struct ad_sigma_delta *sigma_delta, int ad_sd_init(struct ad_sigma_delta *sigma_delta, struct iio_dev *indio_dev, struct spi_device *spi, const struct ad_sigma_delta_info *info); -int ad_sd_setup_buffer_and_trigger(struct iio_dev *indio_dev); -void ad_sd_cleanup_buffer_and_trigger(struct iio_dev *indio_dev); +int devm_ad_sd_setup_buffer_and_trigger(struct device *dev, struct iio_dev *indio_dev); int ad_sd_validate_trigger(struct iio_dev *indio_dev, struct iio_trigger *trig); diff --git a/include/linux/iio/common/cros_ec_sensors_core.h b/include/linux/iio/common/cros_ec_sensors_core.h index 7ce8a8adad58..c582e1a14232 100644 --- a/include/linux/iio/common/cros_ec_sensors_core.h +++ b/include/linux/iio/common/cros_ec_sensors_core.h @@ -77,7 +77,7 @@ struct cros_ec_sensors_core_state { u16 scale; } calib[CROS_EC_SENSOR_MAX_AXIS]; s8 sign[CROS_EC_SENSOR_MAX_AXIS]; - u8 samples[CROS_EC_SAMPLE_SIZE]; + u8 samples[CROS_EC_SAMPLE_SIZE] __aligned(8); int (*read_ec_sensors_data)(struct iio_dev *indio_dev, unsigned long scan_mask, s16 *data); diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 33e939977444..8bdbaf3f3796 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -13,6 +13,7 @@ #include <linux/i2c.h> #include <linux/spi/spi.h> #include <linux/irqreturn.h> +#include <linux/iio/iio.h> #include <linux/iio/trigger.h> #include <linux/bitops.h> #include <linux/regulator/consumer.h> @@ -20,6 +21,8 @@ #include <linux/platform_data/st_sensors_pdata.h> +#define LSM9DS0_IMU_DEV_NAME "lsm9ds0" + /* * Buffer size max case: 2bytes per channel, 3 channels in total + * 8bytes timestamp channel (s64) @@ -46,8 +49,8 @@ #define ST_SENSORS_MAX_NAME 17 #define ST_SENSORS_MAX_4WAI 8 -#define ST_SENSORS_LSM_CHANNELS(device_type, mask, index, mod, \ - ch2, s, endian, rbits, sbits, addr) \ +#define ST_SENSORS_LSM_CHANNELS_EXT(device_type, mask, index, mod, \ + ch2, s, endian, rbits, sbits, addr, ext) \ { \ .type = device_type, \ .modified = mod, \ @@ -63,8 +66,14 @@ .storagebits = sbits, \ .endianness = endian, \ }, \ + .ext_info = ext, \ } +#define ST_SENSORS_LSM_CHANNELS(device_type, mask, index, mod, \ + ch2, s, endian, rbits, sbits, addr) \ + ST_SENSORS_LSM_CHANNELS_EXT(device_type, mask, index, mod, \ + ch2, s, endian, rbits, sbits, addr, NULL) + #define ST_SENSORS_DEV_ATTR_SAMP_FREQ_AVAIL() \ IIO_DEV_ATTR_SAMP_FREQ_AVAIL( \ st_sensors_sysfs_sampling_frequency_avail) @@ -213,6 +222,7 @@ struct st_sensor_settings { * struct st_sensor_data - ST sensor device status * @dev: Pointer to instance of struct device (I2C or SPI). * @trig: The trigger in use by the core driver. + * @mount_matrix: The mounting matrix of the sensor. * @sensor_settings: Pointer to the specific sensor settings in use. * @current_fullscale: Maximum range of measure by the sensor. * @vdd: Pointer to sensor's Vdd power supply @@ -232,7 +242,7 @@ struct st_sensor_settings { struct st_sensor_data { struct device *dev; struct iio_trigger *trig; - struct iio_mount_matrix *mount_matrix; + struct iio_mount_matrix mount_matrix; struct st_sensor_settings *sensor_settings; struct st_sensor_fullscale_avl *current_fullscale; struct regulator *vdd; @@ -317,4 +327,24 @@ ssize_t st_sensors_sysfs_scale_avail(struct device *dev, void st_sensors_dev_name_probe(struct device *dev, char *name, int len); +/* Accelerometer */ +const struct st_sensor_settings *st_accel_get_settings(const char *name); +int st_accel_common_probe(struct iio_dev *indio_dev); +void st_accel_common_remove(struct iio_dev *indio_dev); + +/* Gyroscope */ +const struct st_sensor_settings *st_gyro_get_settings(const char *name); +int st_gyro_common_probe(struct iio_dev *indio_dev); +void st_gyro_common_remove(struct iio_dev *indio_dev); + +/* Magnetometer */ +const struct st_sensor_settings *st_magn_get_settings(const char *name); +int st_magn_common_probe(struct iio_dev *indio_dev); +void st_magn_common_remove(struct iio_dev *indio_dev); + +/* Pressure */ +const struct st_sensor_settings *st_press_get_settings(const char *name); +int st_press_common_probe(struct iio_dev *indio_dev); +void st_press_common_remove(struct iio_dev *indio_dev); + #endif /* ST_SENSORS_H */ diff --git a/include/linux/iio/iio-opaque.h b/include/linux/iio/iio-opaque.h index 32addd5e790e..c9504e9da571 100644 --- a/include/linux/iio/iio-opaque.h +++ b/include/linux/iio/iio-opaque.h @@ -6,6 +6,10 @@ /** * struct iio_dev_opaque - industrial I/O device opaque information * @indio_dev: public industrial I/O device information + * @id: used to identify device internally + * @driver_module: used to make it harder to undercut users + * @info_exist_lock: lock to prevent use during removal + * @trig_readonly: mark the current trigger immutable * @event_interface: event chrdevs associated with interrupt lines * @attached_buffers: array of buffers statically attached by the driver * @attached_buffers_cnt: number of buffers in the array of statically attached buffers @@ -19,6 +23,10 @@ * @groupcounter: index of next attribute group * @legacy_scan_el_group: attribute group for legacy scan elements attribute group * @legacy_buffer_group: attribute group for legacy buffer attributes group + * @scan_index_timestamp: cache of the index to the timestamp + * @clock_id: timestamping clock posix identifier + * @chrdev: associated character device + * @flags: file ops related flags including busy flag. * @debugfs_dentry: device specific debugfs dentry * @cached_reg_addr: cached register address for debugfs reads * @read_buf: read buffer to be used for the initial reg read @@ -26,6 +34,10 @@ */ struct iio_dev_opaque { struct iio_dev indio_dev; + int id; + struct module *driver_module; + struct mutex info_exist_lock; + bool trig_readonly; struct iio_event_interface *event_interface; struct iio_buffer **attached_buffers; unsigned int attached_buffers_cnt; @@ -38,6 +50,12 @@ struct iio_dev_opaque { int groupcounter; struct attribute_group legacy_scan_el_group; struct attribute_group legacy_buffer_group; + + unsigned int scan_index_timestamp; + clockid_t clock_id; + struct cdev chrdev; + unsigned long flags; + #if defined(CONFIG_DEBUG_FS) struct dentry *debugfs_dentry; unsigned cached_reg_addr; @@ -46,7 +64,7 @@ struct iio_dev_opaque { #endif }; -#define to_iio_dev_opaque(indio_dev) \ - container_of(indio_dev, struct iio_dev_opaque, indio_dev) +#define to_iio_dev_opaque(_indio_dev) \ + container_of((_indio_dev), struct iio_dev_opaque, indio_dev) #endif diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h index f2d65e2e88b6..324561b7a5e8 100644 --- a/include/linux/iio/iio.h +++ b/include/linux/iio/iio.h @@ -127,8 +127,7 @@ struct iio_mount_matrix { ssize_t iio_show_mount_matrix(struct iio_dev *indio_dev, uintptr_t priv, const struct iio_chan_spec *chan, char *buf); -int iio_read_mount_matrix(struct device *dev, const char *propname, - struct iio_mount_matrix *matrix); +int iio_read_mount_matrix(struct device *dev, struct iio_mount_matrix *matrix); typedef const struct iio_mount_matrix * (iio_get_mount_matrix_t)(const struct iio_dev *indio_dev, @@ -488,8 +487,6 @@ struct iio_buffer_setup_ops { /** * struct iio_dev - industrial I/O device - * @id: [INTERN] used to identify device internally - * @driver_module: [INTERN] used to make it harder to undercut users * @modes: [DRIVER] operating modes supported by device * @currentmode: [DRIVER] current operating mode * @dev: [DRIVER] device structure, should be assigned a parent @@ -503,9 +500,7 @@ struct iio_buffer_setup_ops { * channels * @active_scan_mask: [INTERN] union of all scan masks requested by buffers * @scan_timestamp: [INTERN] set if any buffers have requested timestamp - * @scan_index_timestamp:[INTERN] cache of the index to the timestamp * @trig: [INTERN] current device trigger (buffer modes) - * @trig_readonly: [INTERN] mark the current trigger immutable * @pollfunc: [DRIVER] function run on trigger being received * @pollfunc_event: [DRIVER] function run on events trigger being received * @channels: [DRIVER] channel specification structure table @@ -513,19 +508,12 @@ struct iio_buffer_setup_ops { * @name: [DRIVER] name of the device. * @label: [DRIVER] unique name to identify which device this is * @info: [DRIVER] callbacks and constant info from driver - * @clock_id: [INTERN] timestamping clock posix identifier - * @info_exist_lock: [INTERN] lock to prevent use during removal * @setup_ops: [DRIVER] callbacks to call before and after buffer * enable/disable - * @chrdev: [INTERN] associated character device - * @flags: [INTERN] file ops related flags including busy flag. * @priv: [DRIVER] reference to driver's private information * **MUST** be accessed **ONLY** via iio_priv() helper */ struct iio_dev { - int id; - struct module *driver_module; - int modes; int currentmode; struct device dev; @@ -538,9 +526,7 @@ struct iio_dev { unsigned masklength; const unsigned long *active_scan_mask; bool scan_timestamp; - unsigned scan_index_timestamp; struct iio_trigger *trig; - bool trig_readonly; struct iio_poll_func *pollfunc; struct iio_poll_func *pollfunc_event; @@ -550,15 +536,13 @@ struct iio_dev { const char *name; const char *label; const struct iio_info *info; - clockid_t clock_id; - struct mutex info_exist_lock; const struct iio_buffer_setup_ops *setup_ops; - struct cdev chrdev; - unsigned long flags; void *priv; }; +int iio_device_id(struct iio_dev *indio_dev); + const struct iio_chan_spec *iio_find_channel_from_si(struct iio_dev *indio_dev, int si); /** @@ -602,15 +586,7 @@ static inline void iio_device_put(struct iio_dev *indio_dev) put_device(&indio_dev->dev); } -/** - * iio_device_get_clock() - Retrieve current timestamping clock for the device - * @indio_dev: IIO device structure containing the device - */ -static inline clockid_t iio_device_get_clock(const struct iio_dev *indio_dev) -{ - return indio_dev->clock_id; -} - +clockid_t iio_device_get_clock(const struct iio_dev *indio_dev); int iio_device_set_clock(struct iio_dev *indio_dev, clockid_t clock_id); /** diff --git a/include/linux/iio/imu/adis.h b/include/linux/iio/imu/adis.h index f9b728d490b1..cf49997d5903 100644 --- a/include/linux/iio/imu/adis.h +++ b/include/linux/iio/imu/adis.h @@ -55,6 +55,7 @@ struct adis_timeout { * this should be the minimum size supported by the device. * @burst_max_len: Holds the maximum burst size when the device supports * more than one burst mode with different sizes + * @burst_max_speed_hz: Maximum spi speed that can be used in burst mode */ struct adis_data { unsigned int read_delay; @@ -83,6 +84,7 @@ struct adis_data { unsigned int burst_reg_cmd; unsigned int burst_len; unsigned int burst_max_len; + unsigned int burst_max_speed_hz; }; /** diff --git a/include/linux/ima.h b/include/linux/ima.h index 61d5723ec303..b6ab66a546ae 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -11,9 +11,11 @@ #include <linux/fs.h> #include <linux/security.h> #include <linux/kexec.h> +#include <crypto/hash_info.h> struct linux_binprm; #ifdef CONFIG_IMA +extern enum hash_algo ima_get_current_hash_algo(void); extern int ima_bprm_check(struct linux_binprm *bprm); extern int ima_file_check(struct file *file, int mask); extern void ima_post_create_tmpfile(struct user_namespace *mnt_userns, @@ -33,10 +35,10 @@ extern void ima_post_path_mknod(struct user_namespace *mnt_userns, extern int ima_file_hash(struct file *file, char *buf, size_t buf_size); extern int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size); extern void ima_kexec_cmdline(int kernel_fd, const void *buf, int size); -extern void ima_measure_critical_data(const char *event_label, - const char *event_name, - const void *buf, size_t buf_len, - bool hash); +extern int ima_measure_critical_data(const char *event_label, + const char *event_name, + const void *buf, size_t buf_len, + bool hash, u8 *digest, size_t digest_len); #ifdef CONFIG_IMA_APPRAISE_BOOTPARAM extern void ima_appraise_parse_cmdline(void); @@ -64,6 +66,11 @@ static inline const char * const *arch_get_ima_policy(void) #endif #else +static inline enum hash_algo ima_get_current_hash_algo(void) +{ + return HASH_ALGO__LAST; +} + static inline int ima_bprm_check(struct linux_binprm *bprm) { return 0; @@ -137,10 +144,14 @@ static inline int ima_inode_hash(struct inode *inode, char *buf, size_t buf_size static inline void ima_kexec_cmdline(int kernel_fd, const void *buf, int size) {} -static inline void ima_measure_critical_data(const char *event_label, +static inline int ima_measure_critical_data(const char *event_label, const char *event_name, const void *buf, size_t buf_len, - bool hash) {} + bool hash, u8 *digest, + size_t digest_len) +{ + return -ENOENT; +} #endif /* CONFIG_IMA */ diff --git a/include/linux/inetdevice.h b/include/linux/inetdevice.h index 53aa0343bf69..a038feb63f23 100644 --- a/include/linux/inetdevice.h +++ b/include/linux/inetdevice.h @@ -41,7 +41,7 @@ struct in_device { unsigned long mr_qri; /* Query Response Interval */ unsigned char mr_qrv; /* Query Robustness Variable */ unsigned char mr_gq_running; - unsigned char mr_ifc_count; + u32 mr_ifc_count; struct timer_list mr_gq_timer; /* general query timer */ struct timer_list mr_ifc_timer; /* interface change timer */ @@ -178,6 +178,15 @@ static inline struct net_device *ip_dev_find(struct net *net, __be32 addr) int inet_addr_onlink(struct in_device *in_dev, __be32 a, __be32 b); int devinet_ioctl(struct net *net, unsigned int cmd, struct ifreq *); +#ifdef CONFIG_INET +int inet_gifconf(struct net_device *dev, char __user *buf, int len, int size); +#else +static inline int inet_gifconf(struct net_device *dev, char __user *buf, + int len, int size) +{ + return 0; +} +#endif void devinet_init(void); struct in_device *inetdev_by_index(struct net *, int); __be32 inet_select_addr(const struct net_device *dev, __be32 dst, int scope); diff --git a/include/linux/instrumentation.h b/include/linux/instrumentation.h index 93e2ad67fc10..fa2cd8c63dcc 100644 --- a/include/linux/instrumentation.h +++ b/include/linux/instrumentation.h @@ -4,13 +4,16 @@ #if defined(CONFIG_DEBUG_ENTRY) && defined(CONFIG_STACK_VALIDATION) +#include <linux/stringify.h> + /* Begin/end of an instrumentation safe region */ -#define instrumentation_begin() ({ \ - asm volatile("%c0: nop\n\t" \ +#define __instrumentation_begin(c) ({ \ + asm volatile(__stringify(c) ": nop\n\t" \ ".pushsection .discard.instr_begin\n\t" \ - ".long %c0b - .\n\t" \ - ".popsection\n\t" : : "i" (__COUNTER__)); \ + ".long " __stringify(c) "b - .\n\t" \ + ".popsection\n\t"); \ }) +#define instrumentation_begin() __instrumentation_begin(__COUNTER__) /* * Because instrumentation_{begin,end}() can nest, objtool validation considers @@ -43,12 +46,13 @@ * To avoid this, have _end() be a NOP instruction, this ensures it will be * part of the condition block and does not escape. */ -#define instrumentation_end() ({ \ - asm volatile("%c0: nop\n\t" \ +#define __instrumentation_end(c) ({ \ + asm volatile(__stringify(c) ": nop\n\t" \ ".pushsection .discard.instr_end\n\t" \ - ".long %c0b - .\n\t" \ - ".popsection\n\t" : : "i" (__COUNTER__)); \ + ".long " __stringify(c) "b - .\n\t" \ + ".popsection\n\t"); \ }) +#define instrumentation_end() __instrumentation_end(__COUNTER__) #else # define instrumentation_begin() do { } while(0) # define instrumentation_end() do { } while(0) diff --git a/include/linux/integrity.h b/include/linux/integrity.h index 2271939c5c31..2ea0f2f65ab6 100644 --- a/include/linux/integrity.h +++ b/include/linux/integrity.h @@ -13,6 +13,7 @@ enum integrity_status { INTEGRITY_PASS = 0, INTEGRITY_PASS_IMMUTABLE, INTEGRITY_FAIL, + INTEGRITY_FAIL_IMMUTABLE, INTEGRITY_NOLABEL, INTEGRITY_NOXATTRS, INTEGRITY_UNKNOWN, diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 03faf20a6817..05a65eb155f7 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -124,9 +124,9 @@ #define DMAR_MTRR_PHYSMASK8_REG 0x208 #define DMAR_MTRR_PHYSBASE9_REG 0x210 #define DMAR_MTRR_PHYSMASK9_REG 0x218 -#define DMAR_VCCAP_REG 0xe00 /* Virtual command capability register */ -#define DMAR_VCMD_REG 0xe10 /* Virtual command register */ -#define DMAR_VCRSP_REG 0xe20 /* Virtual command response register */ +#define DMAR_VCCAP_REG 0xe30 /* Virtual command capability register */ +#define DMAR_VCMD_REG 0xe00 /* Virtual command register */ +#define DMAR_VCRSP_REG 0xe10 /* Virtual command response register */ #define DMAR_IQER_REG_IQEI(reg) FIELD_GET(GENMASK_ULL(3, 0), reg) #define DMAR_IQER_REG_ITESID(reg) FIELD_GET(GENMASK_ULL(47, 32), reg) @@ -537,7 +537,7 @@ struct context_entry { struct dmar_domain { int nid; /* node id */ - unsigned iommu_refcnt[DMAR_UNITS_SUPPORTED]; + unsigned int iommu_refcnt[DMAR_UNITS_SUPPORTED]; /* Refcount of devices per iommu */ @@ -546,7 +546,10 @@ struct dmar_domain { * domain ids are 16 bit wide according * to VT-d spec, section 9.3 */ - bool has_iotlb_device; + u8 has_iotlb_device: 1; + u8 iommu_coherency: 1; /* indicate coherency of iommu access */ + u8 iommu_snooping: 1; /* indicate snooping control feature */ + struct list_head devices; /* all devices' list */ struct list_head subdevices; /* all subdevices' list */ struct iova_domain iovad; /* iova's that belong to this domain */ @@ -558,10 +561,6 @@ struct dmar_domain { int agaw; int flags; /* flags to find out type of domain */ - - int iommu_coherency;/* indicate coherency of iommu access */ - int iommu_snooping; /* indicate snooping control feature*/ - int iommu_count; /* reference count of iommu */ int iommu_superpage;/* Level of superpages supported: 0 == 4KiB (no superpages), 1 == 2MiB, 2 == 1GiB, 3 == 512GiB, 4 == 1TiB */ @@ -606,6 +605,8 @@ struct intel_iommu { struct completion prq_complete; struct ioasid_allocator_ops pasid_allocator; /* Custom allocator for PASIDs */ #endif + struct iopf_queue *iopf_queue; + unsigned char iopfq_name[16]; struct q_inval *qi; /* Queued invalidation info */ u32 *iommu_state; /* Store iommu states between suspend and resume.*/ @@ -619,6 +620,7 @@ struct intel_iommu { u32 flags; /* Software defined flags */ struct dmar_drhd_unit *drhd; + void *perf_statistic; }; /* Per subdevice private data */ @@ -776,6 +778,7 @@ struct intel_svm_dev { struct device *dev; struct intel_iommu *iommu; struct iommu_sva sva; + unsigned long prq_seq_number; u32 pasid; int users; u16 did; @@ -791,7 +794,6 @@ struct intel_svm { u32 pasid; int gpasid; /* In case that guest PASID is different from host PASID */ struct list_head devs; - struct list_head list; }; #else static inline void intel_svm_check(struct intel_iommu *iommu) {} @@ -827,4 +829,32 @@ static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu) #define intel_iommu_enabled (0) #endif +static inline const char *decode_prq_descriptor(char *str, size_t size, + u64 dw0, u64 dw1, u64 dw2, u64 dw3) +{ + char *buf = str; + int bytes; + + bytes = snprintf(buf, size, + "rid=0x%llx addr=0x%llx %c%c%c%c%c pasid=0x%llx index=0x%llx", + FIELD_GET(GENMASK_ULL(31, 16), dw0), + FIELD_GET(GENMASK_ULL(63, 12), dw1), + dw1 & BIT_ULL(0) ? 'r' : '-', + dw1 & BIT_ULL(1) ? 'w' : '-', + dw0 & BIT_ULL(52) ? 'x' : '-', + dw0 & BIT_ULL(53) ? 'p' : '-', + dw1 & BIT_ULL(2) ? 'l' : '-', + FIELD_GET(GENMASK_ULL(51, 32), dw0), + FIELD_GET(GENMASK_ULL(11, 3), dw1)); + + /* Private Data */ + if (dw0 & BIT_ULL(9)) { + size -= bytes; + buf += bytes; + snprintf(buf, size, " private=0x%llx/0x%llx\n", dw2, dw3); + } + + return str; +} + #endif diff --git a/include/linux/intel-ish-client-if.h b/include/linux/intel-ish-client-if.h index 0d6b4bc191c5..aee8ff4739b1 100644 --- a/include/linux/intel-ish-client-if.h +++ b/include/linux/intel-ish-client-if.h @@ -8,11 +8,17 @@ #ifndef _INTEL_ISH_CLIENT_IF_H_ #define _INTEL_ISH_CLIENT_IF_H_ +#include <linux/device.h> +#include <linux/uuid.h> + struct ishtp_cl_device; struct ishtp_device; struct ishtp_cl; struct ishtp_fw_client; +typedef __printf(2, 3) void (*ishtp_print_log)(struct ishtp_device *dev, + const char *format, ...); + /* Client state */ enum cl_state { ISHTP_CL_INITIALIZING = 0, @@ -36,7 +42,7 @@ struct ishtp_cl_driver { const char *name; const guid_t *guid; int (*probe)(struct ishtp_cl_device *dev); - int (*remove)(struct ishtp_cl_device *dev); + void (*remove)(struct ishtp_cl_device *dev); int (*reset)(struct ishtp_cl_device *dev); const struct dev_pm_ops *pm; }; @@ -75,8 +81,10 @@ int ishtp_register_event_cb(struct ishtp_cl_device *device, /* Get the device * from ishtp device instance */ struct device *ishtp_device(struct ishtp_cl_device *cl_device); +/* wait for IPC resume */ +bool ishtp_wait_resume(struct ishtp_device *dev); /* Trace interface for clients */ -void *ishtp_trace_callback(struct ishtp_cl_device *cl_device); +ishtp_print_log ishtp_trace_callback(struct ishtp_cl_device *cl_device); /* Get device pointer of PCI device for DMA acces */ struct device *ishtp_get_pci_device(struct ishtp_cl_device *cl_device); diff --git a/include/linux/intel-svm.h b/include/linux/intel-svm.h index 10fa80eef13a..57cceecbe37f 100644 --- a/include/linux/intel-svm.h +++ b/include/linux/intel-svm.h @@ -14,6 +14,11 @@ #define SVM_REQ_EXEC (1<<1) #define SVM_REQ_PRIV (1<<0) +/* Page Request Queue depth */ +#define PRQ_ORDER 2 +#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x20) +#define PRQ_DEPTH ((0x1000 << PRQ_ORDER) >> 5) + /* * The SVM_FLAG_SUPERVISOR_MODE flag requests a PASID which can be used only * for access to kernel addresses. No IOTLB flushes are automatically done diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index 4777850a6dc7..1f22a30c0963 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -13,6 +13,7 @@ #include <linux/hrtimer.h> #include <linux/kref.h> #include <linux/workqueue.h> +#include <linux/jump_label.h> #include <linux/atomic.h> #include <asm/ptrace.h> @@ -64,6 +65,8 @@ * IRQF_NO_AUTOEN - Don't enable IRQ or NMI automatically when users request it. * Users will enable it explicitly by enable_irq() or enable_nmi() * later. + * IRQF_NO_DEBUG - Exclude from runnaway detection for IPI and similar handlers, + * depends on IRQF_PERCPU. */ #define IRQF_SHARED 0x00000080 #define IRQF_PROBE_SHARED 0x00000100 @@ -78,6 +81,7 @@ #define IRQF_EARLY_RESUME 0x00020000 #define IRQF_COND_SUSPEND 0x00040000 #define IRQF_NO_AUTOEN 0x00080000 +#define IRQF_NO_DEBUG 0x00100000 #define IRQF_TIMER (__IRQF_TIMER | IRQF_NO_SUSPEND | IRQF_NO_THREAD) @@ -319,39 +323,8 @@ struct irq_affinity_desc { extern cpumask_var_t irq_default_affinity; -/* Internal implementation. Use the helpers below */ -extern int __irq_set_affinity(unsigned int irq, const struct cpumask *cpumask, - bool force); - -/** - * irq_set_affinity - Set the irq affinity of a given irq - * @irq: Interrupt to set affinity - * @cpumask: cpumask - * - * Fails if cpumask does not contain an online CPU - */ -static inline int -irq_set_affinity(unsigned int irq, const struct cpumask *cpumask) -{ - return __irq_set_affinity(irq, cpumask, false); -} - -/** - * irq_force_affinity - Force the irq affinity of a given irq - * @irq: Interrupt to set affinity - * @cpumask: cpumask - * - * Same as irq_set_affinity, but without checking the mask against - * online cpus. - * - * Solely for low level cpu hotplug code, where we need to make per - * cpu interrupts affine before the cpu becomes online. - */ -static inline int -irq_force_affinity(unsigned int irq, const struct cpumask *cpumask) -{ - return __irq_set_affinity(irq, cpumask, true); -} +extern int irq_set_affinity(unsigned int irq, const struct cpumask *cpumask); +extern int irq_force_affinity(unsigned int irq, const struct cpumask *cpumask); extern int irq_can_set_affinity(unsigned int irq); extern int irq_select_affinity(unsigned int irq); @@ -502,12 +475,13 @@ extern int irq_set_irqchip_state(unsigned int irq, enum irqchip_irq_state which, #ifdef CONFIG_IRQ_FORCED_THREADING # ifdef CONFIG_PREEMPT_RT -# define force_irqthreads (true) +# define force_irqthreads() (true) # else -extern bool force_irqthreads; +DECLARE_STATIC_KEY_FALSE(force_irqthreads_key); +# define force_irqthreads() (static_branch_unlikely(&force_irqthreads_key)) # endif #else -#define force_irqthreads (0) +#define force_irqthreads() (false) #endif #ifndef local_softirq_pending diff --git a/include/linux/io-pgtable.h b/include/linux/io-pgtable.h index 4d40dfa75b55..86af6f0a00a2 100644 --- a/include/linux/io-pgtable.h +++ b/include/linux/io-pgtable.h @@ -16,6 +16,7 @@ enum io_pgtable_fmt { ARM_V7S, ARM_MALI_LPAE, AMD_IOMMU_V1, + APPLE_DART, IO_PGTABLE_NUM_FMTS, }; @@ -73,10 +74,6 @@ struct io_pgtable_cfg { * to support up to 35 bits PA where the bit32, bit33 and bit34 are * encoded in the bit9, bit4 and bit5 of the PTE respectively. * - * IO_PGTABLE_QUIRK_NON_STRICT: Skip issuing synchronous leaf TLBIs - * on unmap, for DMA domains using the flush queue mechanism for - * delayed invalidation. - * * IO_PGTABLE_QUIRK_ARM_TTBR1: (ARM LPAE format) Configure the table * for use in the upper half of a split address space. * @@ -86,7 +83,6 @@ struct io_pgtable_cfg { #define IO_PGTABLE_QUIRK_ARM_NS BIT(0) #define IO_PGTABLE_QUIRK_NO_PERMS BIT(1) #define IO_PGTABLE_QUIRK_ARM_MTK_EXT BIT(3) - #define IO_PGTABLE_QUIRK_NON_STRICT BIT(4) #define IO_PGTABLE_QUIRK_ARM_TTBR1 BIT(5) #define IO_PGTABLE_QUIRK_ARM_OUTER_WBWA BIT(6) unsigned long quirks; @@ -136,6 +132,11 @@ struct io_pgtable_cfg { u64 transtab; u64 memattr; } arm_mali_lpae_cfg; + + struct { + u64 ttbr[4]; + u32 n_ttbrs; + } apple_dart_cfg; }; }; @@ -143,7 +144,9 @@ struct io_pgtable_cfg { * struct io_pgtable_ops - Page table manipulation API for IOMMU drivers. * * @map: Map a physically contiguous memory region. + * @map_pages: Map a physically contiguous range of pages of the same size. * @unmap: Unmap a physically contiguous memory region. + * @unmap_pages: Unmap a range of virtually contiguous pages of the same size. * @iova_to_phys: Translate iova to physical address. * * These functions map directly onto the iommu_ops member functions with @@ -152,8 +155,14 @@ struct io_pgtable_cfg { struct io_pgtable_ops { int (*map)(struct io_pgtable_ops *ops, unsigned long iova, phys_addr_t paddr, size_t size, int prot, gfp_t gfp); + int (*map_pages)(struct io_pgtable_ops *ops, unsigned long iova, + phys_addr_t paddr, size_t pgsize, size_t pgcount, + int prot, gfp_t gfp, size_t *mapped); size_t (*unmap)(struct io_pgtable_ops *ops, unsigned long iova, size_t size, struct iommu_iotlb_gather *gather); + size_t (*unmap_pages)(struct io_pgtable_ops *ops, unsigned long iova, + size_t pgsize, size_t pgcount, + struct iommu_iotlb_gather *gather); phys_addr_t (*iova_to_phys)(struct io_pgtable_ops *ops, unsigned long iova); }; @@ -246,5 +255,6 @@ extern struct io_pgtable_init_fns io_pgtable_arm_64_lpae_s2_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_v7s_init_fns; extern struct io_pgtable_init_fns io_pgtable_arm_mali_lpae_init_fns; extern struct io_pgtable_init_fns io_pgtable_amd_iommu_v1_init_fns; +extern struct io_pgtable_init_fns io_pgtable_apple_dart_init_fns; #endif /* __IO_PGTABLE_H */ diff --git a/include/linux/io_uring.h b/include/linux/io_uring.h index 04b650bcbbe5..649a4d7c241b 100644 --- a/include/linux/io_uring.h +++ b/include/linux/io_uring.h @@ -7,17 +7,18 @@ #if defined(CONFIG_IO_URING) struct sock *io_uring_get_socket(struct file *file); -void __io_uring_cancel(struct files_struct *files); +void __io_uring_cancel(bool cancel_all); void __io_uring_free(struct task_struct *tsk); -static inline void io_uring_files_cancel(struct files_struct *files) +static inline void io_uring_files_cancel(void) { if (current->io_uring) - __io_uring_cancel(files); + __io_uring_cancel(false); } static inline void io_uring_task_cancel(void) { - return io_uring_files_cancel(NULL); + if (current->io_uring) + __io_uring_cancel(true); } static inline void io_uring_free(struct task_struct *tsk) { @@ -32,7 +33,7 @@ static inline struct sock *io_uring_get_socket(struct file *file) static inline void io_uring_task_cancel(void) { } -static inline void io_uring_files_cancel(struct files_struct *files) +static inline void io_uring_files_cancel(void) { } static inline void io_uring_free(struct task_struct *tsk) diff --git a/include/linux/ioam6.h b/include/linux/ioam6.h new file mode 100644 index 000000000000..94a24b36998f --- /dev/null +++ b/include/linux/ioam6.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * IPv6 IOAM + * + * Author: + * Justin Iurman <justin.iurman@uliege.be> + */ +#ifndef _LINUX_IOAM6_H +#define _LINUX_IOAM6_H + +#include <uapi/linux/ioam6.h> + +#endif /* _LINUX_IOAM6_H */ diff --git a/include/linux/ioam6_genl.h b/include/linux/ioam6_genl.h new file mode 100644 index 000000000000..176e67919de3 --- /dev/null +++ b/include/linux/ioam6_genl.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * IPv6 IOAM Generic Netlink API + * + * Author: + * Justin Iurman <justin.iurman@uliege.be> + */ +#ifndef _LINUX_IOAM6_GENL_H +#define _LINUX_IOAM6_GENL_H + +#include <uapi/linux/ioam6_genl.h> + +#endif /* _LINUX_IOAM6_GENL_H */ diff --git a/include/linux/ioam6_iptunnel.h b/include/linux/ioam6_iptunnel.h new file mode 100644 index 000000000000..07d9dfedd29d --- /dev/null +++ b/include/linux/ioam6_iptunnel.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * IPv6 IOAM Lightweight Tunnel API + * + * Author: + * Justin Iurman <justin.iurman@uliege.be> + */ +#ifndef _LINUX_IOAM6_IPTUNNEL_H +#define _LINUX_IOAM6_IPTUNNEL_H + +#include <uapi/linux/ioam6_iptunnel.h> + +#endif /* _LINUX_IOAM6_IPTUNNEL_H */ diff --git a/include/linux/iomap.h b/include/linux/iomap.h index c87d0cb0de6d..24f8489583ca 100644 --- a/include/linux/iomap.h +++ b/include/linux/iomap.h @@ -91,13 +91,30 @@ struct iomap { const struct iomap_page_ops *page_ops; }; -static inline sector_t -iomap_sector(struct iomap *iomap, loff_t pos) +static inline sector_t iomap_sector(const struct iomap *iomap, loff_t pos) { return (iomap->addr + pos - iomap->offset) >> SECTOR_SHIFT; } /* + * Returns the inline data pointer for logical offset @pos. + */ +static inline void *iomap_inline_data(const struct iomap *iomap, loff_t pos) +{ + return iomap->inline_data + pos - iomap->offset; +} + +/* + * Check if the mapping's length is within the valid range for inline data. + * This is used to guard against accessing data beyond the page inline_data + * points at. + */ +static inline bool iomap_inline_data_valid(const struct iomap *iomap) +{ + return iomap->length <= PAGE_SIZE - offset_in_page(iomap->inline_data); +} + +/* * When a filesystem sets page_ops in an iomap mapping it returns, page_prepare * and page_done will be called for each page written to. This only applies to * buffered writes as unbuffered writes will not typically have pages @@ -108,10 +125,9 @@ iomap_sector(struct iomap *iomap, loff_t pos) * associated page could not be obtained. */ struct iomap_page_ops { - int (*page_prepare)(struct inode *inode, loff_t pos, unsigned len, - struct iomap *iomap); + int (*page_prepare)(struct inode *inode, loff_t pos, unsigned len); void (*page_done)(struct inode *inode, loff_t pos, unsigned copied, - struct page *page, struct iomap *iomap); + struct page *page); }; /* @@ -124,6 +140,7 @@ struct iomap_page_ops { #define IOMAP_DIRECT (1 << 4) /* direct I/O */ #define IOMAP_NOWAIT (1 << 5) /* do not block */ #define IOMAP_OVERWRITE_ONLY (1 << 6) /* only pure overwrites allowed */ +#define IOMAP_UNSHARE (1 << 7) /* unshare_file_range */ struct iomap_ops { /* @@ -145,21 +162,66 @@ struct iomap_ops { ssize_t written, unsigned flags, struct iomap *iomap); }; -/* - * Main iomap iterator function. +/** + * struct iomap_iter - Iterate through a range of a file + * @inode: Set at the start of the iteration and should not change. + * @pos: The current file position we are operating on. It is updated by + * calls to iomap_iter(). Treat as read-only in the body. + * @len: The remaining length of the file segment we're operating on. + * It is updated at the same time as @pos. + * @processed: The number of bytes processed by the body in the most recent + * iteration, or a negative errno. 0 causes the iteration to stop. + * @flags: Zero or more of the iomap_begin flags above. + * @iomap: Map describing the I/O iteration + * @srcmap: Source map for COW operations */ -typedef loff_t (*iomap_actor_t)(struct inode *inode, loff_t pos, loff_t len, - void *data, struct iomap *iomap, struct iomap *srcmap); +struct iomap_iter { + struct inode *inode; + loff_t pos; + u64 len; + s64 processed; + unsigned flags; + struct iomap iomap; + struct iomap srcmap; +}; -loff_t iomap_apply(struct inode *inode, loff_t pos, loff_t length, - unsigned flags, const struct iomap_ops *ops, void *data, - iomap_actor_t actor); +int iomap_iter(struct iomap_iter *iter, const struct iomap_ops *ops); + +/** + * iomap_length - length of the current iomap iteration + * @iter: iteration structure + * + * Returns the length that the operation applies to for the current iteration. + */ +static inline u64 iomap_length(const struct iomap_iter *iter) +{ + u64 end = iter->iomap.offset + iter->iomap.length; + + if (iter->srcmap.type != IOMAP_HOLE) + end = min(end, iter->srcmap.offset + iter->srcmap.length); + return min(iter->len, end - iter->pos); +} + +/** + * iomap_iter_srcmap - return the source map for the current iomap iteration + * @i: iteration structure + * + * Write operations on file systems with reflink support might require a + * source and a destination map. This function retourns the source map + * for a given operation, which may or may no be identical to the destination + * map in &i->iomap. + */ +static inline const struct iomap *iomap_iter_srcmap(const struct iomap_iter *i) +{ + if (i->srcmap.type != IOMAP_HOLE) + return &i->srcmap; + return &i->iomap; +} ssize_t iomap_file_buffered_write(struct kiocb *iocb, struct iov_iter *from, const struct iomap_ops *ops); int iomap_readpage(struct page *page, const struct iomap_ops *ops); void iomap_readahead(struct readahead_control *, const struct iomap_ops *ops); -int iomap_set_page_dirty(struct page *page); int iomap_is_partially_uptodate(struct page *page, unsigned long from, unsigned long count); int iomap_releasepage(struct page *page, gfp_t gfp_mask); @@ -251,8 +313,8 @@ int iomap_writepages(struct address_space *mapping, struct iomap_dio_ops { int (*end_io)(struct kiocb *iocb, ssize_t size, int error, unsigned flags); - blk_qc_t (*submit_io)(struct inode *inode, struct iomap *iomap, - struct bio *bio, loff_t file_offset); + blk_qc_t (*submit_io)(const struct iomap_iter *iter, struct bio *bio, + loff_t file_offset); }; /* diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 32d448050bf7..d2f3435e7d17 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -40,6 +40,7 @@ struct iommu_domain; struct notifier_block; struct iommu_sva; struct iommu_fault_event; +struct iommu_dma_cookie; /* iommu fault flags */ #define IOMMU_FAULT_READ 0x0 @@ -60,6 +61,7 @@ struct iommu_domain_geometry { #define __IOMMU_DOMAIN_DMA_API (1U << 1) /* Domain for use in DMA-API implementation */ #define __IOMMU_DOMAIN_PT (1U << 2) /* Domain is identity mapped */ +#define __IOMMU_DOMAIN_DMA_FQ (1U << 3) /* DMA-API uses flush queue */ /* * This are the possible domain-types @@ -72,12 +74,17 @@ struct iommu_domain_geometry { * IOMMU_DOMAIN_DMA - Internally used for DMA-API implementations. * This flag allows IOMMU drivers to implement * certain optimizations for these domains + * IOMMU_DOMAIN_DMA_FQ - As above, but definitely using batched TLB + * invalidation. */ #define IOMMU_DOMAIN_BLOCKED (0U) #define IOMMU_DOMAIN_IDENTITY (__IOMMU_DOMAIN_PT) #define IOMMU_DOMAIN_UNMANAGED (__IOMMU_DOMAIN_PAGING) #define IOMMU_DOMAIN_DMA (__IOMMU_DOMAIN_PAGING | \ __IOMMU_DOMAIN_DMA_API) +#define IOMMU_DOMAIN_DMA_FQ (__IOMMU_DOMAIN_PAGING | \ + __IOMMU_DOMAIN_DMA_API | \ + __IOMMU_DOMAIN_DMA_FQ) struct iommu_domain { unsigned type; @@ -86,9 +93,14 @@ struct iommu_domain { iommu_fault_handler_t handler; void *handler_token; struct iommu_domain_geometry geometry; - void *iova_cookie; + struct iommu_dma_cookie *iova_cookie; }; +static inline bool iommu_is_dma_domain(struct iommu_domain *domain) +{ + return domain->type & __IOMMU_DOMAIN_DMA_API; +} + enum iommu_cap { IOMMU_CAP_CACHE_COHERENCY, /* IOMMU can enforce cache coherent DMA transactions */ @@ -160,16 +172,22 @@ enum iommu_dev_features { * @start: IOVA representing the start of the range to be flushed * @end: IOVA representing the end of the range to be flushed (inclusive) * @pgsize: The interval at which to perform the flush + * @freelist: Removed pages to free after sync + * @queued: Indicates that the flush will be queued * * This structure is intended to be updated by multiple calls to the * ->unmap() function in struct iommu_ops before eventually being passed - * into ->iotlb_sync(). + * into ->iotlb_sync(). Drivers can add pages to @freelist to be freed after + * ->iotlb_sync() or ->iotlb_flush_all() have cleared all cached references to + * them. @queued is set to indicate when ->iotlb_flush_all() will be called + * later instead of ->iotlb_sync(), so drivers may optimise accordingly. */ struct iommu_iotlb_gather { unsigned long start; unsigned long end; size_t pgsize; struct page *freelist; + bool queued; }; /** @@ -180,7 +198,10 @@ struct iommu_iotlb_gather { * @attach_dev: attach device to an iommu domain * @detach_dev: detach device from an iommu domain * @map: map a physically contiguous memory region to an iommu domain + * @map_pages: map a physically contiguous set of pages of the same size to + * an iommu domain. * @unmap: unmap a physically contiguous memory region from an iommu domain + * @unmap_pages: unmap a number of pages of the same size from an iommu domain * @flush_iotlb_all: Synchronously flush all hardware TLBs for this domain * @iotlb_sync_map: Sync mappings created recently using @map to the hardware * @iotlb_sync: Flush all queued ranges from the hardware TLBs and empty flush @@ -229,8 +250,14 @@ struct iommu_ops { void (*detach_dev)(struct iommu_domain *domain, struct device *dev); int (*map)(struct iommu_domain *domain, unsigned long iova, phys_addr_t paddr, size_t size, int prot, gfp_t gfp); + int (*map_pages)(struct iommu_domain *domain, unsigned long iova, + phys_addr_t paddr, size_t pgsize, size_t pgcount, + int prot, gfp_t gfp, size_t *mapped); size_t (*unmap)(struct iommu_domain *domain, unsigned long iova, size_t size, struct iommu_iotlb_gather *iotlb_gather); + size_t (*unmap_pages)(struct iommu_domain *domain, unsigned long iova, + size_t pgsize, size_t pgcount, + struct iommu_iotlb_gather *iotlb_gather); void (*flush_iotlb_all)(struct iommu_domain *domain); void (*iotlb_sync_map)(struct iommu_domain *domain, unsigned long iova, size_t size); @@ -414,11 +441,11 @@ extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova, extern size_t iommu_unmap_fast(struct iommu_domain *domain, unsigned long iova, size_t size, struct iommu_iotlb_gather *iotlb_gather); -extern size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova, - struct scatterlist *sg,unsigned int nents, int prot); -extern size_t iommu_map_sg_atomic(struct iommu_domain *domain, - unsigned long iova, struct scatterlist *sg, - unsigned int nents, int prot); +extern ssize_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova, + struct scatterlist *sg, unsigned int nents, int prot); +extern ssize_t iommu_map_sg_atomic(struct iommu_domain *domain, + unsigned long iova, struct scatterlist *sg, + unsigned int nents, int prot); extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova); extern void iommu_set_fault_handler(struct iommu_domain *domain, iommu_fault_handler_t handler, void *token); @@ -476,8 +503,7 @@ int iommu_enable_nesting(struct iommu_domain *domain); int iommu_set_pgtable_quirks(struct iommu_domain *domain, unsigned long quirks); -void iommu_set_dma_strict(bool val); -bool iommu_get_dma_strict(struct iommu_domain *domain); +void iommu_set_dma_strict(void); extern int report_iommu_fault(struct iommu_domain *domain, struct device *dev, unsigned long iova, int flags); @@ -497,29 +523,80 @@ static inline void iommu_iotlb_sync(struct iommu_domain *domain, iommu_iotlb_gather_init(iotlb_gather); } +/** + * iommu_iotlb_gather_is_disjoint - Checks whether a new range is disjoint + * + * @gather: TLB gather data + * @iova: start of page to invalidate + * @size: size of page to invalidate + * + * Helper for IOMMU drivers to check whether a new range and the gathered range + * are disjoint. For many IOMMUs, flushing the IOMMU in this case is better + * than merging the two, which might lead to unnecessary invalidations. + */ +static inline +bool iommu_iotlb_gather_is_disjoint(struct iommu_iotlb_gather *gather, + unsigned long iova, size_t size) +{ + unsigned long start = iova, end = start + size - 1; + + return gather->end != 0 && + (end + 1 < gather->start || start > gather->end + 1); +} + + +/** + * iommu_iotlb_gather_add_range - Gather for address-based TLB invalidation + * @gather: TLB gather data + * @iova: start of page to invalidate + * @size: size of page to invalidate + * + * Helper for IOMMU drivers to build arbitrarily-sized invalidation commands + * where only the address range matters, and simply minimising intermediate + * syncs is preferred. + */ +static inline void iommu_iotlb_gather_add_range(struct iommu_iotlb_gather *gather, + unsigned long iova, size_t size) +{ + unsigned long end = iova + size - 1; + + if (gather->start > iova) + gather->start = iova; + if (gather->end < end) + gather->end = end; +} + +/** + * iommu_iotlb_gather_add_page - Gather for page-based TLB invalidation + * @domain: IOMMU domain to be invalidated + * @gather: TLB gather data + * @iova: start of page to invalidate + * @size: size of page to invalidate + * + * Helper for IOMMU drivers to build invalidation commands based on individual + * pages, or with page size/table level hints which cannot be gathered if they + * differ. + */ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain, struct iommu_iotlb_gather *gather, unsigned long iova, size_t size) { - unsigned long start = iova, end = start + size - 1; - /* * If the new page is disjoint from the current range or is mapped at * a different granularity, then sync the TLB so that the gather * structure can be rewritten. */ - if (gather->pgsize != size || - end + 1 < gather->start || start > gather->end + 1) { - if (gather->pgsize) - iommu_iotlb_sync(domain, gather); - gather->pgsize = size; - } + if ((gather->pgsize && gather->pgsize != size) || + iommu_iotlb_gather_is_disjoint(gather, iova, size)) + iommu_iotlb_sync(domain, gather); - if (gather->end < end) - gather->end = end; + gather->pgsize = size; + iommu_iotlb_gather_add_range(gather, iova, size); +} - if (gather->start > start) - gather->start = start; +static inline bool iommu_iotlb_gather_queued(struct iommu_iotlb_gather *gather) +{ + return gather && gather->queued; } /* PCI device grouping function */ @@ -679,18 +756,18 @@ static inline size_t iommu_unmap_fast(struct iommu_domain *domain, return 0; } -static inline size_t iommu_map_sg(struct iommu_domain *domain, - unsigned long iova, struct scatterlist *sg, - unsigned int nents, int prot) +static inline ssize_t iommu_map_sg(struct iommu_domain *domain, + unsigned long iova, struct scatterlist *sg, + unsigned int nents, int prot) { - return 0; + return -ENODEV; } -static inline size_t iommu_map_sg_atomic(struct iommu_domain *domain, +static inline ssize_t iommu_map_sg_atomic(struct iommu_domain *domain, unsigned long iova, struct scatterlist *sg, unsigned int nents, int prot) { - return 0; + return -ENODEV; } static inline void iommu_flush_iotlb_all(struct iommu_domain *domain) @@ -870,6 +947,11 @@ static inline void iommu_iotlb_gather_add_page(struct iommu_domain *domain, { } +static inline bool iommu_iotlb_gather_queued(struct iommu_iotlb_gather *gather) +{ + return false; +} + static inline void iommu_device_unregister(struct iommu_device *iommu) { } diff --git a/include/linux/ioprio.h b/include/linux/ioprio.h index e9bfe6972aed..3f53bc27a19b 100644 --- a/include/linux/ioprio.h +++ b/include/linux/ioprio.h @@ -6,46 +6,22 @@ #include <linux/sched/rt.h> #include <linux/iocontext.h> -/* - * Gives us 8 prio classes with 13-bits of data for each class - */ -#define IOPRIO_CLASS_SHIFT (13) -#define IOPRIO_PRIO_MASK ((1UL << IOPRIO_CLASS_SHIFT) - 1) - -#define IOPRIO_PRIO_CLASS(mask) ((mask) >> IOPRIO_CLASS_SHIFT) -#define IOPRIO_PRIO_DATA(mask) ((mask) & IOPRIO_PRIO_MASK) -#define IOPRIO_PRIO_VALUE(class, data) (((class) << IOPRIO_CLASS_SHIFT) | data) - -#define ioprio_valid(mask) (IOPRIO_PRIO_CLASS((mask)) != IOPRIO_CLASS_NONE) +#include <uapi/linux/ioprio.h> /* - * These are the io priority groups as implemented by CFQ. RT is the realtime - * class, it always gets premium service. BE is the best-effort scheduling - * class, the default for any process. IDLE is the idle scheduling class, it - * is only served when no one else is using the disk. + * Default IO priority. */ -enum { - IOPRIO_CLASS_NONE, - IOPRIO_CLASS_RT, - IOPRIO_CLASS_BE, - IOPRIO_CLASS_IDLE, -}; +#define IOPRIO_DEFAULT IOPRIO_PRIO_VALUE(IOPRIO_CLASS_BE, IOPRIO_BE_NORM) /* - * 8 best effort priority levels are supported + * Check that a priority value has a valid class. */ -#define IOPRIO_BE_NR (8) - -enum { - IOPRIO_WHO_PROCESS = 1, - IOPRIO_WHO_PGRP, - IOPRIO_WHO_USER, -}; +static inline bool ioprio_valid(unsigned short ioprio) +{ + unsigned short class = IOPRIO_PRIO_CLASS(ioprio); -/* - * Fallback BE priority - */ -#define IOPRIO_NORM (4) + return class > IOPRIO_CLASS_NONE && class <= IOPRIO_CLASS_IDLE; +} /* * if process has set io priority explicitly, use that. if not, convert @@ -80,7 +56,7 @@ static inline int get_current_ioprio(void) if (ioc) return ioc->ioprio; - return IOPRIO_PRIO_VALUE(IOPRIO_CLASS_NONE, 0); + return IOPRIO_DEFAULT; } /* diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 70b2ad3b9884..ef4a69865737 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -76,6 +76,9 @@ struct ipv6_devconf { __s32 disable_policy; __s32 ndisc_tclass; __s32 rpl_seg_enabled; + __u32 ioam6_id; + __u32 ioam6_id_wide; + __u8 ioam6_enabled; struct ctl_table_header *sysctl_header; }; diff --git a/include/linux/irq.h b/include/linux/irq.h index 31b347c9f8dd..c8293c817646 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -72,6 +72,7 @@ enum irqchip_irq_state; * mechanism and from core side polling. * IRQ_DISABLE_UNLAZY - Disable lazy irq disable * IRQ_HIDDEN - Don't show up in /proc/interrupts + * IRQ_NO_DEBUG - Exclude from note_interrupt() debugging */ enum { IRQ_TYPE_NONE = 0x00000000, @@ -99,6 +100,7 @@ enum { IRQ_IS_POLLED = (1 << 18), IRQ_DISABLE_UNLAZY = (1 << 19), IRQ_HIDDEN = (1 << 20), + IRQ_NO_DEBUG = (1 << 21), }; #define IRQF_MODIFY_MASK \ @@ -567,6 +569,7 @@ struct irq_chip { * IRQCHIP_SUPPORTS_NMI: Chip can deliver NMIs, only for root irqchips * IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND: Invokes __enable_irq()/__disable_irq() for wake irqs * in the suspend path if they are in disabled state + * IRQCHIP_AFFINITY_PRE_STARTUP: Default affinity update before startup */ enum { IRQCHIP_SET_TYPE_MASKED = (1 << 0), @@ -579,6 +582,7 @@ enum { IRQCHIP_SUPPORTS_LEVEL_MSI = (1 << 7), IRQCHIP_SUPPORTS_NMI = (1 << 8), IRQCHIP_ENABLE_WAKEUP_ON_SUSPEND = (1 << 9), + IRQCHIP_AFFINITY_PRE_STARTUP = (1 << 10), }; #include <linux/irqdesc.h> diff --git a/include/linux/irqchip/arm-gic-common.h b/include/linux/irqchip/arm-gic-common.h index fa8c0455c352..1177f3a1aed5 100644 --- a/include/linux/irqchip/arm-gic-common.h +++ b/include/linux/irqchip/arm-gic-common.h @@ -7,8 +7,7 @@ #ifndef __LINUX_IRQCHIP_ARM_GIC_COMMON_H #define __LINUX_IRQCHIP_ARM_GIC_COMMON_H -#include <linux/types.h> -#include <linux/ioport.h> +#include <linux/irqchip/arm-vgic-info.h> #define GICD_INT_DEF_PRI 0xa0 #define GICD_INT_DEF_PRI_X4 ((GICD_INT_DEF_PRI << 24) |\ @@ -16,28 +15,6 @@ (GICD_INT_DEF_PRI << 8) |\ GICD_INT_DEF_PRI) -enum gic_type { - GIC_V2, - GIC_V3, -}; - -struct gic_kvm_info { - /* GIC type */ - enum gic_type type; - /* Virtual CPU interface */ - struct resource vcpu; - /* Interrupt number */ - unsigned int maint_irq; - /* Virtual control interface */ - struct resource vctrl; - /* vlpi support */ - bool has_v4; - /* rvpeid support */ - bool has_v4_1; -}; - -const struct gic_kvm_info *gic_get_kvm_info(void); - struct irq_domain; struct fwnode_handle; int gicv2m_init(struct fwnode_handle *parent_handle, diff --git a/include/linux/irqchip/arm-vgic-info.h b/include/linux/irqchip/arm-vgic-info.h new file mode 100644 index 000000000000..a75b2c7de69d --- /dev/null +++ b/include/linux/irqchip/arm-vgic-info.h @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * include/linux/irqchip/arm-vgic-info.h + * + * Copyright (C) 2016 ARM Limited, All Rights Reserved. + */ +#ifndef __LINUX_IRQCHIP_ARM_VGIC_INFO_H +#define __LINUX_IRQCHIP_ARM_VGIC_INFO_H + +#include <linux/types.h> +#include <linux/ioport.h> + +enum gic_type { + /* Full GICv2 */ + GIC_V2, + /* Full GICv3, optionally with v2 compat */ + GIC_V3, +}; + +struct gic_kvm_info { + /* GIC type */ + enum gic_type type; + /* Virtual CPU interface */ + struct resource vcpu; + /* Interrupt number */ + unsigned int maint_irq; + /* No interrupt mask, no need to use the above field */ + bool no_maint_irq_mask; + /* Virtual control interface */ + struct resource vctrl; + /* vlpi support */ + bool has_v4; + /* rvpeid support */ + bool has_v4_1; + /* Deactivation impared, subpar stuff */ + bool no_hw_deactivation; +}; + +#ifdef CONFIG_KVM +void vgic_set_kvm_info(const struct gic_kvm_info *info); +#else +static inline void vgic_set_kvm_info(const struct gic_kvm_info *info) {} +#endif + +#endif diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index df4651250785..59aea39785bf 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -158,25 +158,21 @@ static inline void generic_handle_irq_desc(struct irq_desc *desc) desc->handle_irq(desc); } +int handle_irq_desc(struct irq_desc *desc); int generic_handle_irq(unsigned int irq); -#ifdef CONFIG_HANDLE_DOMAIN_IRQ +#ifdef CONFIG_IRQ_DOMAIN /* * Convert a HW interrupt number to a logical one using a IRQ domain, * and handle the result interrupt number. Return -EINVAL if - * conversion failed. Providing a NULL domain indicates that the - * conversion has already been done. + * conversion failed. */ -int __handle_domain_irq(struct irq_domain *domain, unsigned int hwirq, - bool lookup, struct pt_regs *regs); +int generic_handle_domain_irq(struct irq_domain *domain, unsigned int hwirq); -static inline int handle_domain_irq(struct irq_domain *domain, - unsigned int hwirq, struct pt_regs *regs) -{ - return __handle_domain_irq(domain, hwirq, true, regs); -} +#ifdef CONFIG_HANDLE_DOMAIN_IRQ +int handle_domain_irq(struct irq_domain *domain, + unsigned int hwirq, struct pt_regs *regs); -#ifdef CONFIG_IRQ_DOMAIN int handle_domain_nmi(struct irq_domain *domain, unsigned int hwirq, struct pt_regs *regs); #endif diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 62a8e3d23829..9ee238ad29ce 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -41,13 +41,11 @@ struct fwnode_handle; struct irq_domain; struct irq_chip; struct irq_data; +struct irq_desc; struct cpumask; struct seq_file; struct irq_affinity_desc; -/* Number of irqs reserved for a legacy isa controller */ -#define NUM_ISA_INTERRUPTS 16 - #define IRQ_DOMAIN_IRQ_SPEC_PARAMS 16 /** @@ -152,11 +150,10 @@ struct irq_domain_chip_generic; * @parent: Pointer to parent irq_domain to support hierarchy irq_domains * * Revmap data, used internally by irq_domain - * @revmap_direct_max_irq: The largest hwirq that can be set for controllers that - * support direct mapping - * @revmap_size: Size of the linear map table @linear_revmap[] + * @revmap_size: Size of the linear map table @revmap[] * @revmap_tree: Radix map tree for hwirqs that don't fit in the linear map - * @linear_revmap: Linear table of hwirq->virq reverse mappings + * @revmap_mutex: Lock for the revmap + * @revmap: Linear table of irq_data pointers */ struct irq_domain { struct list_head link; @@ -176,11 +173,10 @@ struct irq_domain { /* reverse map data. The linear map gets appended to the irq_domain */ irq_hw_number_t hwirq_max; - unsigned int revmap_direct_max_irq; unsigned int revmap_size; struct radix_tree_root revmap_tree; - struct mutex revmap_tree_mutex; - unsigned int linear_revmap[]; + struct mutex revmap_mutex; + struct irq_data __rcu *revmap[]; }; /* Irq domain flags */ @@ -210,6 +206,9 @@ enum { */ IRQ_DOMAIN_MSI_NOMASK_QUIRK = (1 << 6), + /* Irq domain doesn't translate anything */ + IRQ_DOMAIN_FLAG_NO_MAP = (1 << 7), + /* * Flags starting from IRQ_DOMAIN_FLAG_NONCORE are reserved * for implementation specific purposes and ignored by the @@ -252,7 +251,7 @@ static inline struct fwnode_handle *irq_domain_alloc_fwnode(phys_addr_t *pa) } void irq_domain_free_fwnode(struct fwnode_handle *fwnode); -struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, int size, +struct irq_domain *__irq_domain_add(struct fwnode_handle *fwnode, unsigned int size, irq_hw_number_t hwirq_max, int direct_max, const struct irq_domain_ops *ops, void *host_data); @@ -348,6 +347,8 @@ static inline struct irq_domain *irq_domain_add_linear(struct device_node *of_no { return __irq_domain_add(of_node_to_fwnode(of_node), size, size, 0, ops, host_data); } + +#ifdef CONFIG_IRQ_DOMAIN_NOMAP static inline struct irq_domain *irq_domain_add_nomap(struct device_node *of_node, unsigned int max_irq, const struct irq_domain_ops *ops, @@ -355,14 +356,10 @@ static inline struct irq_domain *irq_domain_add_nomap(struct device_node *of_nod { return __irq_domain_add(of_node_to_fwnode(of_node), 0, max_irq, max_irq, ops, host_data); } -static inline struct irq_domain *irq_domain_add_legacy_isa( - struct device_node *of_node, - const struct irq_domain_ops *ops, - void *host_data) -{ - return irq_domain_add_legacy(of_node, NUM_ISA_INTERRUPTS, 0, 0, ops, - host_data); -} + +extern unsigned int irq_create_direct_mapping(struct irq_domain *host); +#endif + static inline struct irq_domain *irq_domain_add_tree(struct device_node *of_node, const struct irq_domain_ops *ops, void *host_data) @@ -405,25 +402,37 @@ static inline unsigned int irq_create_mapping(struct irq_domain *host, return irq_create_mapping_affinity(host, hwirq, NULL); } +extern struct irq_desc *__irq_resolve_mapping(struct irq_domain *domain, + irq_hw_number_t hwirq, + unsigned int *irq); + +static inline struct irq_desc *irq_resolve_mapping(struct irq_domain *domain, + irq_hw_number_t hwirq) +{ + return __irq_resolve_mapping(domain, hwirq, NULL); +} /** - * irq_linear_revmap() - Find a linux irq from a hw irq number. + * irq_find_mapping() - Find a linux irq from a hw irq number. * @domain: domain owning this hardware interrupt * @hwirq: hardware irq number in that domain space - * - * This is a fast path alternative to irq_find_mapping() that can be - * called directly by irq controller code to save a handful of - * instructions. It is always safe to call, but won't find irqs mapped - * using the radix tree. */ +static inline unsigned int irq_find_mapping(struct irq_domain *domain, + irq_hw_number_t hwirq) +{ + unsigned int irq; + + if (__irq_resolve_mapping(domain, hwirq, &irq)) + return irq; + + return 0; +} + static inline unsigned int irq_linear_revmap(struct irq_domain *domain, irq_hw_number_t hwirq) { - return hwirq < domain->revmap_size ? domain->linear_revmap[hwirq] : 0; + return irq_find_mapping(domain, hwirq); } -extern unsigned int irq_find_mapping(struct irq_domain *host, - irq_hw_number_t hwirq); -extern unsigned int irq_create_direct_mapping(struct irq_domain *host); extern const struct irq_domain_ops irq_domain_simple_ops; diff --git a/include/linux/iscsi_ibft.h b/include/linux/iscsi_ibft.h index b7b45ca82bea..790e7fcfc1a6 100644 --- a/include/linux/iscsi_ibft.h +++ b/include/linux/iscsi_ibft.h @@ -13,26 +13,22 @@ #ifndef ISCSI_IBFT_H #define ISCSI_IBFT_H -#include <linux/acpi.h> +#include <linux/types.h> /* - * Logical location of iSCSI Boot Format Table. - * If the value is NULL there is no iBFT on the machine. + * Physical location of iSCSI Boot Format Table. + * If the value is 0 there is no iBFT on the machine. */ -extern struct acpi_table_ibft *ibft_addr; +extern phys_addr_t ibft_phys_addr; /* * Routine used to find and reserve the iSCSI Boot Format Table. The - * mapped address is set in the ibft_addr variable. + * physical address is set in the ibft_phys_addr variable. */ #ifdef CONFIG_ISCSI_IBFT_FIND -unsigned long find_ibft_region(unsigned long *sizep); +void reserve_ibft_region(void); #else -static inline unsigned long find_ibft_region(unsigned long *sizep) -{ - *sizep = 0; - return 0; -} +static inline void reserve_ibft_region(void) {} #endif #endif /* ISCSI_IBFT_H */ diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index db0e1920cb12..fd933c45281a 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -780,6 +780,11 @@ struct journal_s unsigned long j_flags; /** + * @j_atomic_flags: Atomic journaling state flags. + */ + unsigned long j_atomic_flags; + + /** * @j_errno: * * Is there an outstanding uncleared error on the journal (from a prior @@ -905,6 +910,29 @@ struct journal_s struct buffer_head *j_chkpt_bhs[JBD2_NR_BATCH]; /** + * @j_shrinker: + * + * Journal head shrinker, reclaim buffer's journal head which + * has been written back. + */ + struct shrinker j_shrinker; + + /** + * @j_checkpoint_jh_count: + * + * Number of journal buffers on the checkpoint list. [j_list_lock] + */ + struct percpu_counter j_checkpoint_jh_count; + + /** + * @j_shrink_transaction: + * + * Record next transaction will shrink on the checkpoint list. + * [j_list_lock] + */ + transaction_t *j_shrink_transaction; + + /** * @j_head: * * Journal head: identifies the first unused block in the journal. @@ -1370,6 +1398,16 @@ JBD2_FEATURE_INCOMPAT_FUNCS(fast_commit, FAST_COMMIT) * mode */ #define JBD2_FAST_COMMIT_ONGOING 0x100 /* Fast commit is ongoing */ #define JBD2_FULL_COMMIT_ONGOING 0x200 /* Full commit is ongoing */ +#define JBD2_JOURNAL_FLUSH_DISCARD 0x0001 +#define JBD2_JOURNAL_FLUSH_ZEROOUT 0x0002 +#define JBD2_JOURNAL_FLUSH_VALID (JBD2_JOURNAL_FLUSH_DISCARD | \ + JBD2_JOURNAL_FLUSH_ZEROOUT) + +/* + * Journal atomic flag definitions + */ +#define JBD2_CHECKPOINT_IO_ERROR 0x001 /* Detect io error while writing + * buffer back to disk */ /* * Function declarations for the journaling transaction and buffer @@ -1407,6 +1445,7 @@ extern void jbd2_journal_commit_transaction(journal_t *); /* Checkpoint list management */ void __jbd2_journal_clean_checkpoint_list(journal_t *journal, bool destroy); +unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, unsigned long *nr_to_scan); int __jbd2_journal_remove_checkpoint(struct journal_head *); void jbd2_journal_destroy_checkpoint(journal_t *journal); void __jbd2_journal_insert_checkpoint(struct journal_head *, transaction_t *); @@ -1500,7 +1539,7 @@ extern int jbd2_journal_invalidatepage(journal_t *, struct page *, unsigned int, unsigned int); extern int jbd2_journal_try_to_free_buffers(journal_t *journal, struct page *page); extern int jbd2_journal_stop(handle_t *); -extern int jbd2_journal_flush (journal_t *); +extern int jbd2_journal_flush(journal_t *journal, unsigned int flags); extern void jbd2_journal_lock_updates (journal_t *); extern void jbd2_journal_unlock_updates (journal_t *); diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 05f5554d860f..48b9b2a82767 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -171,9 +171,21 @@ static inline bool jump_entry_is_init(const struct jump_entry *entry) return (unsigned long)entry->key & 2UL; } -static inline void jump_entry_set_init(struct jump_entry *entry) +static inline void jump_entry_set_init(struct jump_entry *entry, bool set) { - entry->key |= 2; + if (set) + entry->key |= 2; + else + entry->key &= ~2; +} + +static inline int jump_entry_size(struct jump_entry *entry) +{ +#ifdef JUMP_LABEL_NOP_SIZE + return JUMP_LABEL_NOP_SIZE; +#else + return arch_jump_entry_size(entry); +#endif } #endif diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 465060acc981..a1d6fc82d7f0 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -7,6 +7,7 @@ #define _LINUX_KALLSYMS_H #include <linux/errno.h> +#include <linux/buildid.h> #include <linux/kernel.h> #include <linux/stddef.h> #include <linux/mm.h> @@ -15,8 +16,10 @@ #include <asm/sections.h> #define KSYM_NAME_LEN 128 -#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s]") + (KSYM_NAME_LEN - 1) + \ - 2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + 1) +#define KSYM_SYMBOL_LEN (sizeof("%s+%#lx/%#lx [%s %s]") + \ + (KSYM_NAME_LEN - 1) + \ + 2*(BITS_PER_LONG*3/10) + (MODULE_NAME_LEN - 1) + \ + (BUILD_ID_SIZE_MAX * 2) + 1) struct cred; struct module; @@ -91,8 +94,10 @@ const char *kallsyms_lookup(unsigned long addr, /* Look up a kernel symbol and return it in a text buffer. */ extern int sprint_symbol(char *buffer, unsigned long address); +extern int sprint_symbol_build_id(char *buffer, unsigned long address); extern int sprint_symbol_no_offset(char *buffer, unsigned long address); extern int sprint_backtrace(char *buffer, unsigned long address); +extern int sprint_backtrace_build_id(char *buffer, unsigned long address); int lookup_symbol_name(unsigned long addr, char *symname); int lookup_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); @@ -128,6 +133,12 @@ static inline int sprint_symbol(char *buffer, unsigned long addr) return 0; } +static inline int sprint_symbol_build_id(char *buffer, unsigned long address) +{ + *buffer = '\0'; + return 0; +} + static inline int sprint_symbol_no_offset(char *buffer, unsigned long addr) { *buffer = '\0'; @@ -140,6 +151,12 @@ static inline int sprint_backtrace(char *buffer, unsigned long addr) return 0; } +static inline int sprint_backtrace_build_id(char *buffer, unsigned long addr) +{ + *buffer = '\0'; + return 0; +} + static inline int lookup_symbol_name(unsigned long addr, char *symname) { return -ERANGE; diff --git a/include/linux/kasan-tags.h b/include/linux/kasan-tags.h new file mode 100644 index 000000000000..4f85f562512c --- /dev/null +++ b/include/linux/kasan-tags.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_KASAN_TAGS_H +#define _LINUX_KASAN_TAGS_H + +#define KASAN_TAG_KERNEL 0xFF /* native kernel pointers tag */ +#define KASAN_TAG_INVALID 0xFE /* inaccessible memory tag */ +#define KASAN_TAG_MAX 0xFD /* maximum value for random tags */ + +#ifdef CONFIG_KASAN_HW_TAGS +#define KASAN_TAG_MIN 0xF0 /* minimum value for random tags */ +#else +#define KASAN_TAG_MIN 0x00 /* minimum value for random tags */ +#endif + +#endif /* LINUX_KASAN_TAGS_H */ diff --git a/include/linux/kasan.h b/include/linux/kasan.h index b1678a61e6a7..dd874a1ee862 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -2,6 +2,8 @@ #ifndef _LINUX_KASAN_H #define _LINUX_KASAN_H +#include <linux/bug.h> +#include <linux/kernel.h> #include <linux/static_key.h> #include <linux/types.h> @@ -17,7 +19,6 @@ struct task_struct; /* kasan_data struct is used in KUnit tests for KASAN expected failures */ struct kunit_kasan_expectation { - bool report_expected; bool report_found; }; @@ -41,9 +42,9 @@ struct kunit_kasan_expectation { #endif extern unsigned char kasan_early_shadow_page[PAGE_SIZE]; -extern pte_t kasan_early_shadow_pte[PTRS_PER_PTE + PTE_HWTABLE_PTRS]; -extern pmd_t kasan_early_shadow_pmd[PTRS_PER_PMD]; -extern pud_t kasan_early_shadow_pud[PTRS_PER_PUD]; +extern pte_t kasan_early_shadow_pte[MAX_PTRS_PER_PTE + PTE_HWTABLE_PTRS]; +extern pmd_t kasan_early_shadow_pmd[MAX_PTRS_PER_PMD]; +extern pud_t kasan_early_shadow_pud[MAX_PTRS_PER_PUD]; extern p4d_t kasan_early_shadow_p4d[MAX_PTRS_PER_P4D]; int kasan_populate_early_shadow(const void *shadow_start, @@ -79,14 +80,6 @@ static inline void kasan_disable_current(void) {} #endif /* CONFIG_KASAN_GENERIC || CONFIG_KASAN_SW_TAGS */ -#ifdef CONFIG_KASAN - -struct kasan_cache { - int alloc_meta_offset; - int free_meta_offset; - bool is_kmalloc; -}; - #ifdef CONFIG_KASAN_HW_TAGS DECLARE_STATIC_KEY_FALSE(kasan_flag_enabled); @@ -101,11 +94,14 @@ static inline bool kasan_has_integrated_init(void) return kasan_enabled(); } +void kasan_alloc_pages(struct page *page, unsigned int order, gfp_t flags); +void kasan_free_pages(struct page *page, unsigned int order); + #else /* CONFIG_KASAN_HW_TAGS */ static inline bool kasan_enabled(void) { - return true; + return IS_ENABLED(CONFIG_KASAN); } static inline bool kasan_has_integrated_init(void) @@ -113,8 +109,30 @@ static inline bool kasan_has_integrated_init(void) return false; } +static __always_inline void kasan_alloc_pages(struct page *page, + unsigned int order, gfp_t flags) +{ + /* Only available for integrated init. */ + BUILD_BUG(); +} + +static __always_inline void kasan_free_pages(struct page *page, + unsigned int order) +{ + /* Only available for integrated init. */ + BUILD_BUG(); +} + #endif /* CONFIG_KASAN_HW_TAGS */ +#ifdef CONFIG_KASAN + +struct kasan_cache { + int alloc_meta_offset; + int free_meta_offset; + bool is_kmalloc; +}; + slab_flags_t __kasan_never_merge(void); static __always_inline slab_flags_t kasan_never_merge(void) { @@ -130,20 +148,20 @@ static __always_inline void kasan_unpoison_range(const void *addr, size_t size) __kasan_unpoison_range(addr, size); } -void __kasan_alloc_pages(struct page *page, unsigned int order, bool init); -static __always_inline void kasan_alloc_pages(struct page *page, +void __kasan_poison_pages(struct page *page, unsigned int order, bool init); +static __always_inline void kasan_poison_pages(struct page *page, unsigned int order, bool init) { if (kasan_enabled()) - __kasan_alloc_pages(page, order, init); + __kasan_poison_pages(page, order, init); } -void __kasan_free_pages(struct page *page, unsigned int order, bool init); -static __always_inline void kasan_free_pages(struct page *page, - unsigned int order, bool init) +void __kasan_unpoison_pages(struct page *page, unsigned int order, bool init); +static __always_inline void kasan_unpoison_pages(struct page *page, + unsigned int order, bool init) { if (kasan_enabled()) - __kasan_free_pages(page, order, init); + __kasan_unpoison_pages(page, order, init); } void __kasan_cache_create(struct kmem_cache *cache, unsigned int *size, @@ -285,21 +303,15 @@ void kasan_restore_multi_shot(bool enabled); #else /* CONFIG_KASAN */ -static inline bool kasan_enabled(void) -{ - return false; -} -static inline bool kasan_has_integrated_init(void) -{ - return false; -} static inline slab_flags_t kasan_never_merge(void) { return 0; } static inline void kasan_unpoison_range(const void *address, size_t size) {} -static inline void kasan_alloc_pages(struct page *page, unsigned int order, bool init) {} -static inline void kasan_free_pages(struct page *page, unsigned int order, bool init) {} +static inline void kasan_poison_pages(struct page *page, unsigned int order, + bool init) {} +static inline void kasan_unpoison_pages(struct page *page, unsigned int order, + bool init) {} static inline void kasan_cache_create(struct kmem_cache *cache, unsigned int *size, slab_flags_t *flags) {} diff --git a/include/linux/kconfig.h b/include/linux/kconfig.h index cc8fa109cfa3..20d1079e92b4 100644 --- a/include/linux/kconfig.h +++ b/include/linux/kconfig.h @@ -51,7 +51,8 @@ /* * IS_MODULE(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'm', 0 - * otherwise. + * otherwise. CONFIG_FOO=m results in "#define CONFIG_FOO_MODULE 1" in + * autoconf.h. */ #define IS_MODULE(option) __is_defined(option##_MODULE) @@ -66,7 +67,8 @@ /* * IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm', - * 0 otherwise. + * 0 otherwise. Note that CONFIG_FOO=y results in "#define CONFIG_FOO 1" in + * autoconf.h, while CONFIG_FOO=m results in "#define CONFIG_FOO_MODULE 1". */ #define IS_ENABLED(option) __or(IS_BUILTIN(option), IS_MODULE(option)) diff --git a/include/linux/kcore.h b/include/linux/kcore.h index da676cdbd727..86c0f1d18998 100644 --- a/include/linux/kcore.h +++ b/include/linux/kcore.h @@ -11,14 +11,11 @@ enum kcore_type { KCORE_RAM, KCORE_VMEMMAP, KCORE_USER, - KCORE_OTHER, - KCORE_REMAP, }; struct kcore_list { struct list_head list; unsigned long addr; - unsigned long vaddr; size_t size; int type; }; diff --git a/include/linux/kdb.h b/include/linux/kdb.h index 0125a677b67f..ea0f5e580fac 100644 --- a/include/linux/kdb.h +++ b/include/linux/kdb.h @@ -13,6 +13,8 @@ * Copyright (C) 2009 Jason Wessel <jason.wessel@windriver.com> */ +#include <linux/list.h> + /* Shifted versions of the command enable bits are be used if the command * has no arguments (see kdb_check_flags). This allows commands, such as * go, to have different permissions depending upon whether it is called @@ -64,6 +66,17 @@ typedef enum { typedef int (*kdb_func_t)(int, const char **); +/* The KDB shell command table */ +typedef struct _kdbtab { + char *name; /* Command name */ + kdb_func_t func; /* Function to execute command */ + char *usage; /* Usage String for this command */ + char *help; /* Help message for this command */ + short minlen; /* Minimum legal # cmd chars required */ + kdb_cmdflags_t flags; /* Command behaviour flags */ + struct list_head list_node; /* Command list */ +} kdbtab_t; + #ifdef CONFIG_KGDB_KDB #include <linux/init.h> #include <linux/sched.h> @@ -193,19 +206,13 @@ static inline const char *kdb_walk_kallsyms(loff_t *pos) #endif /* ! CONFIG_KALLSYMS */ /* Dynamic kdb shell command registration */ -extern int kdb_register(char *, kdb_func_t, char *, char *, short); -extern int kdb_register_flags(char *, kdb_func_t, char *, char *, - short, kdb_cmdflags_t); -extern int kdb_unregister(char *); +extern int kdb_register(kdbtab_t *cmd); +extern void kdb_unregister(kdbtab_t *cmd); #else /* ! CONFIG_KGDB_KDB */ static inline __printf(1, 2) int kdb_printf(const char *fmt, ...) { return 0; } static inline void kdb_init(int level) {} -static inline int kdb_register(char *cmd, kdb_func_t func, char *usage, - char *help, short minlen) { return 0; } -static inline int kdb_register_flags(char *cmd, kdb_func_t func, char *usage, - char *help, short minlen, - kdb_cmdflags_t flags) { return 0; } -static inline int kdb_unregister(char *cmd) { return 0; } +static inline int kdb_register(kdbtab_t *cmd) { return 0; } +static inline void kdb_unregister(kdbtab_t *cmd) {} #endif /* CONFIG_KGDB_KDB */ enum { KDB_NOT_INITIALIZED, diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 15d8bad3d2f2..2776423a587e 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -2,7 +2,7 @@ #ifndef _LINUX_KERNEL_H #define _LINUX_KERNEL_H -#include <stdarg.h> +#include <linux/stdarg.h> #include <linux/align.h> #include <linux/limits.h> #include <linux/linkage.h> @@ -10,10 +10,12 @@ #include <linux/types.h> #include <linux/compiler.h> #include <linux/bitops.h> +#include <linux/kstrtox.h> #include <linux/log2.h> #include <linux/math.h> #include <linux/minmax.h> #include <linux/typecheck.h> +#include <linux/panic.h> #include <linux/printk.h> #include <linux/build_bug.h> #include <linux/static_call_types.h> @@ -71,8 +73,19 @@ */ #define lower_32_bits(n) ((u32)((n) & 0xffffffff)) +/** + * upper_16_bits - return bits 16-31 of a number + * @n: the number we're accessing + */ +#define upper_16_bits(n) ((u16)((n) >> 16)) + +/** + * lower_16_bits - return bits 0-15 of a number + * @n: the number we're accessing + */ +#define lower_16_bits(n) ((u16)((n) & 0xffff)) + struct completion; -struct pt_regs; struct user; #ifdef CONFIG_PREEMPT_VOLUNTARY @@ -177,159 +190,9 @@ void __might_fault(const char *file, int line); static inline void might_fault(void) { } #endif -extern struct atomic_notifier_head panic_notifier_list; -extern long (*panic_blink)(int state); -__printf(1, 2) -void panic(const char *fmt, ...) __noreturn __cold; -void nmi_panic(struct pt_regs *regs, const char *msg); -extern void oops_enter(void); -extern void oops_exit(void); -extern bool oops_may_print(void); void do_exit(long error_code) __noreturn; void complete_and_exit(struct completion *, long) __noreturn; -/* Internal, do not use. */ -int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res); -int __must_check _kstrtol(const char *s, unsigned int base, long *res); - -int __must_check kstrtoull(const char *s, unsigned int base, unsigned long long *res); -int __must_check kstrtoll(const char *s, unsigned int base, long long *res); - -/** - * kstrtoul - convert a string to an unsigned long - * @s: The start of the string. The string must be null-terminated, and may also - * include a single newline before its terminating null. The first character - * may also be a plus sign, but not a minus sign. - * @base: The number base to use. The maximum supported base is 16. If base is - * given as 0, then the base of the string is automatically detected with the - * conventional semantics - If it begins with 0x the number will be parsed as a - * hexadecimal (case insensitive), if it otherwise begins with 0, it will be - * parsed as an octal number. Otherwise it will be parsed as a decimal. - * @res: Where to write the result of the conversion on success. - * - * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error. - * Preferred over simple_strtoul(). Return code must be checked. -*/ -static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res) -{ - /* - * We want to shortcut function call, but - * __builtin_types_compatible_p(unsigned long, unsigned long long) = 0. - */ - if (sizeof(unsigned long) == sizeof(unsigned long long) && - __alignof__(unsigned long) == __alignof__(unsigned long long)) - return kstrtoull(s, base, (unsigned long long *)res); - else - return _kstrtoul(s, base, res); -} - -/** - * kstrtol - convert a string to a long - * @s: The start of the string. The string must be null-terminated, and may also - * include a single newline before its terminating null. The first character - * may also be a plus sign or a minus sign. - * @base: The number base to use. The maximum supported base is 16. If base is - * given as 0, then the base of the string is automatically detected with the - * conventional semantics - If it begins with 0x the number will be parsed as a - * hexadecimal (case insensitive), if it otherwise begins with 0, it will be - * parsed as an octal number. Otherwise it will be parsed as a decimal. - * @res: Where to write the result of the conversion on success. - * - * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error. - * Preferred over simple_strtol(). Return code must be checked. - */ -static inline int __must_check kstrtol(const char *s, unsigned int base, long *res) -{ - /* - * We want to shortcut function call, but - * __builtin_types_compatible_p(long, long long) = 0. - */ - if (sizeof(long) == sizeof(long long) && - __alignof__(long) == __alignof__(long long)) - return kstrtoll(s, base, (long long *)res); - else - return _kstrtol(s, base, res); -} - -int __must_check kstrtouint(const char *s, unsigned int base, unsigned int *res); -int __must_check kstrtoint(const char *s, unsigned int base, int *res); - -static inline int __must_check kstrtou64(const char *s, unsigned int base, u64 *res) -{ - return kstrtoull(s, base, res); -} - -static inline int __must_check kstrtos64(const char *s, unsigned int base, s64 *res) -{ - return kstrtoll(s, base, res); -} - -static inline int __must_check kstrtou32(const char *s, unsigned int base, u32 *res) -{ - return kstrtouint(s, base, res); -} - -static inline int __must_check kstrtos32(const char *s, unsigned int base, s32 *res) -{ - return kstrtoint(s, base, res); -} - -int __must_check kstrtou16(const char *s, unsigned int base, u16 *res); -int __must_check kstrtos16(const char *s, unsigned int base, s16 *res); -int __must_check kstrtou8(const char *s, unsigned int base, u8 *res); -int __must_check kstrtos8(const char *s, unsigned int base, s8 *res); -int __must_check kstrtobool(const char *s, bool *res); - -int __must_check kstrtoull_from_user(const char __user *s, size_t count, unsigned int base, unsigned long long *res); -int __must_check kstrtoll_from_user(const char __user *s, size_t count, unsigned int base, long long *res); -int __must_check kstrtoul_from_user(const char __user *s, size_t count, unsigned int base, unsigned long *res); -int __must_check kstrtol_from_user(const char __user *s, size_t count, unsigned int base, long *res); -int __must_check kstrtouint_from_user(const char __user *s, size_t count, unsigned int base, unsigned int *res); -int __must_check kstrtoint_from_user(const char __user *s, size_t count, unsigned int base, int *res); -int __must_check kstrtou16_from_user(const char __user *s, size_t count, unsigned int base, u16 *res); -int __must_check kstrtos16_from_user(const char __user *s, size_t count, unsigned int base, s16 *res); -int __must_check kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, u8 *res); -int __must_check kstrtos8_from_user(const char __user *s, size_t count, unsigned int base, s8 *res); -int __must_check kstrtobool_from_user(const char __user *s, size_t count, bool *res); - -static inline int __must_check kstrtou64_from_user(const char __user *s, size_t count, unsigned int base, u64 *res) -{ - return kstrtoull_from_user(s, count, base, res); -} - -static inline int __must_check kstrtos64_from_user(const char __user *s, size_t count, unsigned int base, s64 *res) -{ - return kstrtoll_from_user(s, count, base, res); -} - -static inline int __must_check kstrtou32_from_user(const char __user *s, size_t count, unsigned int base, u32 *res) -{ - return kstrtouint_from_user(s, count, base, res); -} - -static inline int __must_check kstrtos32_from_user(const char __user *s, size_t count, unsigned int base, s32 *res) -{ - return kstrtoint_from_user(s, count, base, res); -} - -/* - * Use kstrto<foo> instead. - * - * NOTE: simple_strto<foo> does not check for the range overflow and, - * depending on the input, may give interesting results. - * - * Use these functions if and only if you cannot use kstrto<foo>, because - * the conversion ends on the first non-digit character, which may be far - * beyond the supported range. It might be useful to parse the strings like - * 10x50 or 12:21 without altering original string or temporary buffer in use. - * Keep in mind above caveat. - */ - -extern unsigned long simple_strtoul(const char *,char **,unsigned int); -extern long simple_strtol(const char *,char **,unsigned int); -extern unsigned long long simple_strtoull(const char *,char **,unsigned int); -extern long long simple_strtoll(const char *,char **,unsigned int); - extern int num_to_str(char *buf, int size, unsigned long long num, unsigned int width); @@ -357,6 +220,8 @@ int sscanf(const char *, const char *, ...); extern __scanf(2, 0) int vsscanf(const char *, const char *, va_list); +extern int no_hash_pointers_enable(char *str); + extern int get_option(char **str, int *pint); extern char *get_options(const char *str, int nints, int *ints); extern unsigned long long memparse(const char *ptr, char **retptr); @@ -370,52 +235,8 @@ extern int __kernel_text_address(unsigned long addr); extern int kernel_text_address(unsigned long addr); extern int func_ptr_is_kernel_text(void *ptr); -#ifdef CONFIG_SMP -extern unsigned int sysctl_oops_all_cpu_backtrace; -#else -#define sysctl_oops_all_cpu_backtrace 0 -#endif /* CONFIG_SMP */ - extern void bust_spinlocks(int yes); -extern int panic_timeout; -extern unsigned long panic_print; -extern int panic_on_oops; -extern int panic_on_unrecovered_nmi; -extern int panic_on_io_nmi; -extern int panic_on_warn; -extern unsigned long panic_on_taint; -extern bool panic_on_taint_nousertaint; -extern int sysctl_panic_on_rcu_stall; -extern int sysctl_max_rcu_stall_to_panic; -extern int sysctl_panic_on_stackoverflow; - -extern bool crash_kexec_post_notifiers; - -/* - * panic_cpu is used for synchronizing panic() and crash_kexec() execution. It - * holds a CPU number which is executing panic() currently. A value of - * PANIC_CPU_INVALID means no CPU has entered panic() or crash_kexec(). - */ -extern atomic_t panic_cpu; -#define PANIC_CPU_INVALID -1 -/* - * Only to be used by arch init code. If the user over-wrote the default - * CONFIG_PANIC_TIMEOUT, honor it. - */ -static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) -{ - if (panic_timeout == arch_default_timeout) - panic_timeout = timeout; -} -extern const char *print_tainted(void); -enum lockdep_ok { - LOCKDEP_STILL_OK, - LOCKDEP_NOW_UNRELIABLE -}; -extern void add_taint(unsigned flag, enum lockdep_ok); -extern int test_taint(unsigned flag); -extern unsigned long get_taint(void); extern int root_mountflags; extern bool early_boot_irqs_disabled; @@ -434,36 +255,6 @@ extern enum system_states { SYSTEM_SUSPEND, } system_state; -/* This cannot be an enum because some may be used in assembly source. */ -#define TAINT_PROPRIETARY_MODULE 0 -#define TAINT_FORCED_MODULE 1 -#define TAINT_CPU_OUT_OF_SPEC 2 -#define TAINT_FORCED_RMMOD 3 -#define TAINT_MACHINE_CHECK 4 -#define TAINT_BAD_PAGE 5 -#define TAINT_USER 6 -#define TAINT_DIE 7 -#define TAINT_OVERRIDDEN_ACPI_TABLE 8 -#define TAINT_WARN 9 -#define TAINT_CRAP 10 -#define TAINT_FIRMWARE_WORKAROUND 11 -#define TAINT_OOT_MODULE 12 -#define TAINT_UNSIGNED_MODULE 13 -#define TAINT_SOFTLOCKUP 14 -#define TAINT_LIVEPATCH 15 -#define TAINT_AUX 16 -#define TAINT_RANDSTRUCT 17 -#define TAINT_FLAGS_COUNT 18 -#define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1) - -struct taint_flag { - char c_true; /* character printed when tainted */ - char c_false; /* character printed when not tainted */ - bool module; /* also show as a per-module taint flag */ -}; - -extern const struct taint_flag taint_flags[TAINT_FLAGS_COUNT]; - extern const char hex_asc[]; #define hex_asc_lo(x) hex_asc[((x) & 0x0f)] #define hex_asc_hi(x) hex_asc[((x) & 0xf0) >> 4] diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h index 9e8ca8743c26..1093abf7c28c 100644 --- a/include/linux/kernfs.h +++ b/include/linux/kernfs.h @@ -98,6 +98,11 @@ struct kernfs_elem_dir { * better directly in kernfs_node but is here to save space. */ struct kernfs_root *root; + /* + * Monotonic revision counter, used to identify if a directory + * node has changed during negative dentry revalidation. + */ + unsigned long rev; }; struct kernfs_elem_symlink { @@ -188,7 +193,7 @@ struct kernfs_root { u32 id_highbits; struct kernfs_syscall_ops *syscall_ops; - /* list of kernfs_super_info of this root, protected by kernfs_mutex */ + /* list of kernfs_super_info of this root, protected by kernfs_rwsem */ struct list_head supers; wait_queue_head_t deactivate_waitq; diff --git a/include/linux/kfence.h b/include/linux/kfence.h index a70d1ea03532..3fe6dd8a18c1 100644 --- a/include/linux/kfence.h +++ b/include/linux/kfence.h @@ -51,10 +51,11 @@ extern atomic_t kfence_allocation_gate; static __always_inline bool is_kfence_address(const void *addr) { /* - * The non-NULL check is required in case the __kfence_pool pointer was - * never initialized; keep it in the slow-path after the range-check. + * The __kfence_pool != NULL check is required to deal with the case + * where __kfence_pool == NULL && addr < KFENCE_POOL_SIZE. Keep it in + * the slow-path after the range-check! */ - return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && addr); + return unlikely((unsigned long)((char *)addr - __kfence_pool) < KFENCE_POOL_SIZE && __kfence_pool); } /** diff --git a/include/linux/kgdb.h b/include/linux/kgdb.h index 392a3670944c..258cdde8d356 100644 --- a/include/linux/kgdb.h +++ b/include/linux/kgdb.h @@ -105,9 +105,9 @@ extern int dbg_set_reg(int regno, void *mem, struct pt_regs *regs); */ /** - * kgdb_arch_init - Perform any architecture specific initalization. + * kgdb_arch_init - Perform any architecture specific initialization. * - * This function will handle the initalization of any architecture + * This function will handle the initialization of any architecture * specific callbacks. */ extern int kgdb_arch_init(void); @@ -229,9 +229,9 @@ extern int kgdb_arch_set_breakpoint(struct kgdb_bkpt *bpt); extern int kgdb_arch_remove_breakpoint(struct kgdb_bkpt *bpt); /** - * kgdb_arch_late - Perform any architecture specific initalization. + * kgdb_arch_late - Perform any architecture specific initialization. * - * This function will handle the late initalization of any + * This function will handle the late initialization of any * architecture specific callbacks. This is an optional function for * handling things like late initialization of hw breakpoints. The * default implementation does nothing. diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h index 1883a4a9f16a..e4f3bfe08757 100644 --- a/include/linux/kprobes.h +++ b/include/linux/kprobes.h @@ -54,8 +54,6 @@ struct kretprobe_instance; typedef int (*kprobe_pre_handler_t) (struct kprobe *, struct pt_regs *); typedef void (*kprobe_post_handler_t) (struct kprobe *, struct pt_regs *, unsigned long flags); -typedef int (*kprobe_fault_handler_t) (struct kprobe *, struct pt_regs *, - int trapnr); typedef int (*kretprobe_handler_t) (struct kretprobe_instance *, struct pt_regs *); @@ -83,12 +81,6 @@ struct kprobe { /* Called after addr is executed, unless... */ kprobe_post_handler_t post_handler; - /* - * ... called if executing addr causes a fault (eg. page fault). - * Return 1 if it handled fault, otherwise kernel will see it. - */ - kprobe_fault_handler_t fault_handler; - /* Saved opcode (which has been replaced with breakpoint) */ kprobe_opcode_t opcode; @@ -407,7 +399,9 @@ int enable_kprobe(struct kprobe *kp); void dump_kprobe(struct kprobe *kp); void *alloc_insn_page(void); -void free_insn_page(void *page); + +void *alloc_optinsn_page(void); +void free_optinsn_page(void *page); int kprobe_get_kallsym(unsigned int symnum, unsigned long *value, char *type, char *sym); diff --git a/include/linux/kstrtox.h b/include/linux/kstrtox.h new file mode 100644 index 000000000000..529974e22ea7 --- /dev/null +++ b/include/linux/kstrtox.h @@ -0,0 +1,155 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_KSTRTOX_H +#define _LINUX_KSTRTOX_H + +#include <linux/compiler.h> +#include <linux/types.h> + +/* Internal, do not use. */ +int __must_check _kstrtoul(const char *s, unsigned int base, unsigned long *res); +int __must_check _kstrtol(const char *s, unsigned int base, long *res); + +int __must_check kstrtoull(const char *s, unsigned int base, unsigned long long *res); +int __must_check kstrtoll(const char *s, unsigned int base, long long *res); + +/** + * kstrtoul - convert a string to an unsigned long + * @s: The start of the string. The string must be null-terminated, and may also + * include a single newline before its terminating null. The first character + * may also be a plus sign, but not a minus sign. + * @base: The number base to use. The maximum supported base is 16. If base is + * given as 0, then the base of the string is automatically detected with the + * conventional semantics - If it begins with 0x the number will be parsed as a + * hexadecimal (case insensitive), if it otherwise begins with 0, it will be + * parsed as an octal number. Otherwise it will be parsed as a decimal. + * @res: Where to write the result of the conversion on success. + * + * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error. + * Preferred over simple_strtoul(). Return code must be checked. +*/ +static inline int __must_check kstrtoul(const char *s, unsigned int base, unsigned long *res) +{ + /* + * We want to shortcut function call, but + * __builtin_types_compatible_p(unsigned long, unsigned long long) = 0. + */ + if (sizeof(unsigned long) == sizeof(unsigned long long) && + __alignof__(unsigned long) == __alignof__(unsigned long long)) + return kstrtoull(s, base, (unsigned long long *)res); + else + return _kstrtoul(s, base, res); +} + +/** + * kstrtol - convert a string to a long + * @s: The start of the string. The string must be null-terminated, and may also + * include a single newline before its terminating null. The first character + * may also be a plus sign or a minus sign. + * @base: The number base to use. The maximum supported base is 16. If base is + * given as 0, then the base of the string is automatically detected with the + * conventional semantics - If it begins with 0x the number will be parsed as a + * hexadecimal (case insensitive), if it otherwise begins with 0, it will be + * parsed as an octal number. Otherwise it will be parsed as a decimal. + * @res: Where to write the result of the conversion on success. + * + * Returns 0 on success, -ERANGE on overflow and -EINVAL on parsing error. + * Preferred over simple_strtol(). Return code must be checked. + */ +static inline int __must_check kstrtol(const char *s, unsigned int base, long *res) +{ + /* + * We want to shortcut function call, but + * __builtin_types_compatible_p(long, long long) = 0. + */ + if (sizeof(long) == sizeof(long long) && + __alignof__(long) == __alignof__(long long)) + return kstrtoll(s, base, (long long *)res); + else + return _kstrtol(s, base, res); +} + +int __must_check kstrtouint(const char *s, unsigned int base, unsigned int *res); +int __must_check kstrtoint(const char *s, unsigned int base, int *res); + +static inline int __must_check kstrtou64(const char *s, unsigned int base, u64 *res) +{ + return kstrtoull(s, base, res); +} + +static inline int __must_check kstrtos64(const char *s, unsigned int base, s64 *res) +{ + return kstrtoll(s, base, res); +} + +static inline int __must_check kstrtou32(const char *s, unsigned int base, u32 *res) +{ + return kstrtouint(s, base, res); +} + +static inline int __must_check kstrtos32(const char *s, unsigned int base, s32 *res) +{ + return kstrtoint(s, base, res); +} + +int __must_check kstrtou16(const char *s, unsigned int base, u16 *res); +int __must_check kstrtos16(const char *s, unsigned int base, s16 *res); +int __must_check kstrtou8(const char *s, unsigned int base, u8 *res); +int __must_check kstrtos8(const char *s, unsigned int base, s8 *res); +int __must_check kstrtobool(const char *s, bool *res); + +int __must_check kstrtoull_from_user(const char __user *s, size_t count, unsigned int base, unsigned long long *res); +int __must_check kstrtoll_from_user(const char __user *s, size_t count, unsigned int base, long long *res); +int __must_check kstrtoul_from_user(const char __user *s, size_t count, unsigned int base, unsigned long *res); +int __must_check kstrtol_from_user(const char __user *s, size_t count, unsigned int base, long *res); +int __must_check kstrtouint_from_user(const char __user *s, size_t count, unsigned int base, unsigned int *res); +int __must_check kstrtoint_from_user(const char __user *s, size_t count, unsigned int base, int *res); +int __must_check kstrtou16_from_user(const char __user *s, size_t count, unsigned int base, u16 *res); +int __must_check kstrtos16_from_user(const char __user *s, size_t count, unsigned int base, s16 *res); +int __must_check kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, u8 *res); +int __must_check kstrtos8_from_user(const char __user *s, size_t count, unsigned int base, s8 *res); +int __must_check kstrtobool_from_user(const char __user *s, size_t count, bool *res); + +static inline int __must_check kstrtou64_from_user(const char __user *s, size_t count, unsigned int base, u64 *res) +{ + return kstrtoull_from_user(s, count, base, res); +} + +static inline int __must_check kstrtos64_from_user(const char __user *s, size_t count, unsigned int base, s64 *res) +{ + return kstrtoll_from_user(s, count, base, res); +} + +static inline int __must_check kstrtou32_from_user(const char __user *s, size_t count, unsigned int base, u32 *res) +{ + return kstrtouint_from_user(s, count, base, res); +} + +static inline int __must_check kstrtos32_from_user(const char __user *s, size_t count, unsigned int base, s32 *res) +{ + return kstrtoint_from_user(s, count, base, res); +} + +/* + * Use kstrto<foo> instead. + * + * NOTE: simple_strto<foo> does not check for the range overflow and, + * depending on the input, may give interesting results. + * + * Use these functions if and only if you cannot use kstrto<foo>, because + * the conversion ends on the first non-digit character, which may be far + * beyond the supported range. It might be useful to parse the strings like + * 10x50 or 12:21 without altering original string or temporary buffer in use. + * Keep in mind above caveat. + */ + +extern unsigned long simple_strtoul(const char *,char **,unsigned int); +extern long simple_strtol(const char *,char **,unsigned int); +extern unsigned long long simple_strtoull(const char *,char **,unsigned int); +extern long long simple_strtoll(const char *,char **,unsigned int); + +static inline int strtobool(const char *s, bool *res) +{ + return kstrtobool(s, res); +} + +#endif /* _LINUX_KSTRTOX_H */ diff --git a/include/linux/kthread.h b/include/linux/kthread.h index 2484ed97e72f..346b0f269161 100644 --- a/include/linux/kthread.h +++ b/include/linux/kthread.h @@ -18,7 +18,7 @@ struct task_struct *kthread_create_on_node(int (*threadfn)(void *data), * @threadfn: the function to run in the thread * @data: data pointer for @threadfn() * @namefmt: printf-style format string for the thread name - * @arg...: arguments for @namefmt. + * @arg: arguments for @namefmt. * * This macro will create a kthread on the current node, leaving it in * the stopped state. This is just a helper for kthread_create_on_node(); @@ -33,6 +33,8 @@ struct task_struct *kthread_create_on_cpu(int (*threadfn)(void *data), unsigned int cpu, const char *namefmt); +void set_kthread_struct(struct task_struct *p); + void kthread_set_per_cpu(struct task_struct *k, int cpu); bool kthread_is_per_cpu(struct task_struct *k); diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 8583ed3ff344..0f18df7fe874 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -28,6 +28,7 @@ #include <linux/rcuwait.h> #include <linux/refcount.h> #include <linux/nospec.h> +#include <linux/notifier.h> #include <asm/signal.h> #include <linux/kvm.h> @@ -149,6 +150,7 @@ static inline bool is_error_page(struct page *page) #define KVM_REQ_MMU_RELOAD (1 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) #define KVM_REQ_UNBLOCK 2 #define KVM_REQ_UNHALT 3 +#define KVM_REQ_VM_BUGGED (4 | KVM_REQUEST_WAIT | KVM_REQUEST_NO_WAKEUP) #define KVM_REQUEST_ARCH_BASE 8 #define KVM_ARCH_REQ_FLAGS(nr, flags) ({ \ @@ -157,6 +159,15 @@ static inline bool is_error_page(struct page *page) }) #define KVM_ARCH_REQ(nr) KVM_ARCH_REQ_FLAGS(nr, 0) +bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req, + struct kvm_vcpu *except, + unsigned long *vcpu_bitmap, cpumask_var_t tmp); +bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req); +bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req, + struct kvm_vcpu *except); +bool kvm_make_cpus_request_mask(struct kvm *kvm, unsigned int req, + unsigned long *vcpu_bitmap); + #define KVM_USERSPACE_IRQ_SOURCE_ID 0 #define KVM_IRQFD_RESAMPLE_IRQ_SOURCE_ID 1 @@ -304,7 +315,6 @@ struct kvm_vcpu { struct pid __rcu *pid; int sigset_active; sigset_t sigset; - struct kvm_vcpu_stat stat; unsigned int halt_poll_ns; bool valid_wakeup; @@ -341,7 +351,16 @@ struct kvm_vcpu { bool preempted; bool ready; struct kvm_vcpu_arch arch; + struct kvm_vcpu_stat stat; + char stats_id[KVM_STATS_NAME_SIZE]; struct kvm_dirty_ring dirty_ring; + + /* + * The index of the most recently used memslot by this vCPU. It's ok + * if this becomes stale due to memslot changes since we always check + * it is a valid slot. + */ + int last_used_slot; }; /* must be called with irqs disabled */ @@ -510,7 +529,7 @@ struct kvm_memslots { u64 generation; /* The mapping table from slot id to the index in memslots[]. */ short id_to_index[KVM_MEM_SLOTS_NUM]; - atomic_t lru_slot; + atomic_t last_used_slot; int used_slots; struct kvm_memory_slot memslots[]; }; @@ -523,10 +542,24 @@ struct kvm { #endif /* KVM_HAVE_MMU_RWLOCK */ struct mutex slots_lock; + + /* + * Protects the arch-specific fields of struct kvm_memory_slots in + * use by the VM. To be used under the slots_lock (above) or in a + * kvm->srcu critical section where acquiring the slots_lock would + * lead to deadlock with the synchronize_srcu in + * install_new_memslots. + */ + struct mutex slots_arch_lock; struct mm_struct *mm; /* userspace tied to this vm */ struct kvm_memslots __rcu *memslots[KVM_ADDRESS_SPACE_NUM]; struct kvm_vcpu *vcpus[KVM_MAX_VCPUS]; + /* Used to wait for completion of MMU notifiers. */ + spinlock_t mn_invalidate_lock; + unsigned long mn_active_invalidate_count; + struct rcuwait mn_memslots_update_rcuwait; + /* * created_vcpus is protected by kvm->lock, and is incremented * at the beginning of KVM_CREATE_VCPU. online_vcpus is only @@ -575,7 +608,6 @@ struct kvm { unsigned long mmu_notifier_range_start; unsigned long mmu_notifier_range_end; #endif - long tlbs_dirty; struct list_head devices; u64 manual_dirty_log_protect; struct dentry *debugfs_dentry; @@ -585,6 +617,12 @@ struct kvm { pid_t userspace_pid; unsigned int max_halt_poll_ns; u32 dirty_ring_size; + bool vm_bugged; + +#ifdef CONFIG_HAVE_KVM_PM_NOTIFIER + struct notifier_block pm_notifier; +#endif + char stats_id[KVM_STATS_NAME_SIZE]; }; #define kvm_err(fmt, ...) \ @@ -613,6 +651,30 @@ struct kvm { #define vcpu_err(vcpu, fmt, ...) \ kvm_err("vcpu%i " fmt, (vcpu)->vcpu_id, ## __VA_ARGS__) +static inline void kvm_vm_bugged(struct kvm *kvm) +{ + kvm->vm_bugged = true; + kvm_make_all_cpus_request(kvm, KVM_REQ_VM_BUGGED); +} + +#define KVM_BUG(cond, kvm, fmt...) \ +({ \ + int __ret = (cond); \ + \ + if (WARN_ONCE(__ret && !(kvm)->vm_bugged, fmt)) \ + kvm_vm_bugged(kvm); \ + unlikely(__ret); \ +}) + +#define KVM_BUG_ON(cond, kvm) \ +({ \ + int __ret = (cond); \ + \ + if (WARN_ON_ONCE(__ret && !(kvm)->vm_bugged)) \ + kvm_vm_bugged(kvm); \ + unlikely(__ret); \ +}) + static inline bool kvm_dirty_log_manual_protect_and_init_set(struct kvm *kvm) { return !!(kvm->manual_dirty_log_protect & KVM_DIRTY_LOG_INITIALLY_SET); @@ -658,11 +720,6 @@ static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id) return NULL; } -static inline int kvm_vcpu_get_idx(struct kvm_vcpu *vcpu) -{ - return vcpu->vcpu_idx; -} - #define kvm_for_each_memslot(memslot, slots) \ for (memslot = &slots->memslots[0]; \ memslot < slots->memslots + slots->used_slots; memslot++) \ @@ -704,6 +761,7 @@ int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, void kvm_exit(void); void kvm_get_kvm(struct kvm *kvm); +bool kvm_get_kvm_safe(struct kvm *kvm); void kvm_put_kvm(struct kvm *kvm); bool file_is_kvm(struct file *file); void kvm_put_kvm_no_destroy(struct kvm *kvm); @@ -808,7 +866,6 @@ void kvm_release_pfn_clean(kvm_pfn_t pfn); void kvm_release_pfn_dirty(kvm_pfn_t pfn); void kvm_set_pfn_dirty(kvm_pfn_t pfn); void kvm_set_pfn_accessed(kvm_pfn_t pfn); -void kvm_get_pfn(kvm_pfn_t pfn); void kvm_release_pfn(kvm_pfn_t pfn, bool dirty, struct gfn_to_pfn_cache *cache); int kvm_read_guest_page(struct kvm *kvm, gfn_t gfn, void *data, int offset, @@ -927,14 +984,10 @@ void kvm_mmu_free_memory_cache(struct kvm_mmu_memory_cache *mc); void *kvm_mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc); #endif -bool kvm_make_vcpus_request_mask(struct kvm *kvm, unsigned int req, - struct kvm_vcpu *except, - unsigned long *vcpu_bitmap, cpumask_var_t tmp); -bool kvm_make_all_cpus_request(struct kvm *kvm, unsigned int req); -bool kvm_make_all_cpus_request_except(struct kvm *kvm, unsigned int req, - struct kvm_vcpu *except); -bool kvm_make_cpus_request_mask(struct kvm *kvm, unsigned int req, - unsigned long *vcpu_bitmap); +void kvm_inc_notifier_count(struct kvm *kvm, unsigned long start, + unsigned long end); +void kvm_dec_notifier_count(struct kvm *kvm, unsigned long start, + unsigned long end); long kvm_arch_dev_ioctl(struct file *filp, unsigned int ioctl, unsigned long arg); @@ -998,6 +1051,10 @@ int kvm_arch_vcpu_create(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_postcreate(struct kvm_vcpu *vcpu); void kvm_arch_vcpu_destroy(struct kvm_vcpu *vcpu); +#ifdef CONFIG_HAVE_KVM_PM_NOTIFIER +int kvm_arch_pm_notifier(struct kvm *kvm, unsigned long state); +#endif + #ifdef __KVM_HAVE_ARCH_VCPU_DEBUGFS void kvm_arch_create_vcpu_debugfs(struct kvm_vcpu *vcpu, struct dentry *debugfs_dentry); #endif @@ -1014,6 +1071,7 @@ bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu); bool kvm_arch_dy_has_pending_interrupt(struct kvm_vcpu *vcpu); int kvm_arch_post_init_vm(struct kvm *kvm); void kvm_arch_pre_destroy_vm(struct kvm *kvm); +int kvm_arch_create_vm_debugfs(struct kvm *kvm); #ifndef __KVM_HAVE_ARCH_VM_ALLOC /* @@ -1137,29 +1195,49 @@ void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id); bool kvm_arch_irqfd_allowed(struct kvm *kvm, struct kvm_irqfd *args); /* - * search_memslots() and __gfn_to_memslot() are here because they are - * used in non-modular code in arch/powerpc/kvm/book3s_hv_rm_mmu.c. - * gfn_to_memslot() itself isn't here as an inline because that would - * bloat other code too much. + * Returns a pointer to the memslot at slot_index if it contains gfn. + * Otherwise returns NULL. + */ +static inline struct kvm_memory_slot * +try_get_memslot(struct kvm_memslots *slots, int slot_index, gfn_t gfn) +{ + struct kvm_memory_slot *slot; + + if (slot_index < 0 || slot_index >= slots->used_slots) + return NULL; + + /* + * slot_index can come from vcpu->last_used_slot which is not kept + * in sync with userspace-controllable memslot deletion. So use nospec + * to prevent the CPU from speculating past the end of memslots[]. + */ + slot_index = array_index_nospec(slot_index, slots->used_slots); + slot = &slots->memslots[slot_index]; + + if (gfn >= slot->base_gfn && gfn < slot->base_gfn + slot->npages) + return slot; + else + return NULL; +} + +/* + * Returns a pointer to the memslot that contains gfn and records the index of + * the slot in index. Otherwise returns NULL. * * IMPORTANT: Slots are sorted from highest GFN to lowest GFN! */ static inline struct kvm_memory_slot * -search_memslots(struct kvm_memslots *slots, gfn_t gfn) +search_memslots(struct kvm_memslots *slots, gfn_t gfn, int *index) { int start = 0, end = slots->used_slots; - int slot = atomic_read(&slots->lru_slot); struct kvm_memory_slot *memslots = slots->memslots; + struct kvm_memory_slot *slot; if (unlikely(!slots->used_slots)) return NULL; - if (gfn >= memslots[slot].base_gfn && - gfn < memslots[slot].base_gfn + memslots[slot].npages) - return &memslots[slot]; - while (start < end) { - slot = start + (end - start) / 2; + int slot = start + (end - start) / 2; if (gfn >= memslots[slot].base_gfn) end = slot; @@ -1167,19 +1245,37 @@ search_memslots(struct kvm_memslots *slots, gfn_t gfn) start = slot + 1; } - if (start < slots->used_slots && gfn >= memslots[start].base_gfn && - gfn < memslots[start].base_gfn + memslots[start].npages) { - atomic_set(&slots->lru_slot, start); - return &memslots[start]; + slot = try_get_memslot(slots, start, gfn); + if (slot) { + *index = start; + return slot; } return NULL; } +/* + * __gfn_to_memslot() and its descendants are here because it is called from + * non-modular code in arch/powerpc/kvm/book3s_64_vio{,_hv}.c. gfn_to_memslot() + * itself isn't here as an inline because that would bloat other code too much. + */ static inline struct kvm_memory_slot * __gfn_to_memslot(struct kvm_memslots *slots, gfn_t gfn) { - return search_memslots(slots, gfn); + struct kvm_memory_slot *slot; + int slot_index = atomic_read(&slots->last_used_slot); + + slot = try_get_memslot(slots, slot_index, gfn); + if (slot) + return slot; + + slot = search_memslots(slots, gfn, &slot_index); + if (slot) { + atomic_set(&slots->last_used_slot, slot_index); + return slot; + } + + return NULL; } static inline unsigned long @@ -1244,27 +1340,173 @@ enum kvm_stat_kind { struct kvm_stat_data { struct kvm *kvm; - struct kvm_stats_debugfs_item *dbgfs_item; -}; - -struct kvm_stats_debugfs_item { - const char *name; - int offset; + const struct _kvm_stats_desc *desc; enum kvm_stat_kind kind; - int mode; }; -#define KVM_DBGFS_GET_MODE(dbgfs_item) \ - ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) +struct _kvm_stats_desc { + struct kvm_stats_desc desc; + char name[KVM_STATS_NAME_SIZE]; +}; -#define VM_STAT(n, x, ...) \ - { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } -#define VCPU_STAT(n, x, ...) \ - { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } +#define STATS_DESC_COMMON(type, unit, base, exp, sz, bsz) \ + .flags = type | unit | base | \ + BUILD_BUG_ON_ZERO(type & ~KVM_STATS_TYPE_MASK) | \ + BUILD_BUG_ON_ZERO(unit & ~KVM_STATS_UNIT_MASK) | \ + BUILD_BUG_ON_ZERO(base & ~KVM_STATS_BASE_MASK), \ + .exponent = exp, \ + .size = sz, \ + .bucket_size = bsz + +#define VM_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ + { \ + { \ + STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ + .offset = offsetof(struct kvm_vm_stat, generic.stat) \ + }, \ + .name = #stat, \ + } +#define VCPU_GENERIC_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ + { \ + { \ + STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ + .offset = offsetof(struct kvm_vcpu_stat, generic.stat) \ + }, \ + .name = #stat, \ + } +#define VM_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ + { \ + { \ + STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ + .offset = offsetof(struct kvm_vm_stat, stat) \ + }, \ + .name = #stat, \ + } +#define VCPU_STATS_DESC(stat, type, unit, base, exp, sz, bsz) \ + { \ + { \ + STATS_DESC_COMMON(type, unit, base, exp, sz, bsz), \ + .offset = offsetof(struct kvm_vcpu_stat, stat) \ + }, \ + .name = #stat, \ + } +/* SCOPE: VM, VM_GENERIC, VCPU, VCPU_GENERIC */ +#define STATS_DESC(SCOPE, stat, type, unit, base, exp, sz, bsz) \ + SCOPE##_STATS_DESC(stat, type, unit, base, exp, sz, bsz) + +#define STATS_DESC_CUMULATIVE(SCOPE, name, unit, base, exponent) \ + STATS_DESC(SCOPE, name, KVM_STATS_TYPE_CUMULATIVE, \ + unit, base, exponent, 1, 0) +#define STATS_DESC_INSTANT(SCOPE, name, unit, base, exponent) \ + STATS_DESC(SCOPE, name, KVM_STATS_TYPE_INSTANT, \ + unit, base, exponent, 1, 0) +#define STATS_DESC_PEAK(SCOPE, name, unit, base, exponent) \ + STATS_DESC(SCOPE, name, KVM_STATS_TYPE_PEAK, \ + unit, base, exponent, 1, 0) +#define STATS_DESC_LINEAR_HIST(SCOPE, name, unit, base, exponent, sz, bsz) \ + STATS_DESC(SCOPE, name, KVM_STATS_TYPE_LINEAR_HIST, \ + unit, base, exponent, sz, bsz) +#define STATS_DESC_LOG_HIST(SCOPE, name, unit, base, exponent, sz) \ + STATS_DESC(SCOPE, name, KVM_STATS_TYPE_LOG_HIST, \ + unit, base, exponent, sz, 0) + +/* Cumulative counter, read/write */ +#define STATS_DESC_COUNTER(SCOPE, name) \ + STATS_DESC_CUMULATIVE(SCOPE, name, KVM_STATS_UNIT_NONE, \ + KVM_STATS_BASE_POW10, 0) +/* Instantaneous counter, read only */ +#define STATS_DESC_ICOUNTER(SCOPE, name) \ + STATS_DESC_INSTANT(SCOPE, name, KVM_STATS_UNIT_NONE, \ + KVM_STATS_BASE_POW10, 0) +/* Peak counter, read/write */ +#define STATS_DESC_PCOUNTER(SCOPE, name) \ + STATS_DESC_PEAK(SCOPE, name, KVM_STATS_UNIT_NONE, \ + KVM_STATS_BASE_POW10, 0) + +/* Cumulative time in nanosecond */ +#define STATS_DESC_TIME_NSEC(SCOPE, name) \ + STATS_DESC_CUMULATIVE(SCOPE, name, KVM_STATS_UNIT_SECONDS, \ + KVM_STATS_BASE_POW10, -9) +/* Linear histogram for time in nanosecond */ +#define STATS_DESC_LINHIST_TIME_NSEC(SCOPE, name, sz, bsz) \ + STATS_DESC_LINEAR_HIST(SCOPE, name, KVM_STATS_UNIT_SECONDS, \ + KVM_STATS_BASE_POW10, -9, sz, bsz) +/* Logarithmic histogram for time in nanosecond */ +#define STATS_DESC_LOGHIST_TIME_NSEC(SCOPE, name, sz) \ + STATS_DESC_LOG_HIST(SCOPE, name, KVM_STATS_UNIT_SECONDS, \ + KVM_STATS_BASE_POW10, -9, sz) + +#define KVM_GENERIC_VM_STATS() \ + STATS_DESC_COUNTER(VM_GENERIC, remote_tlb_flush), \ + STATS_DESC_COUNTER(VM_GENERIC, remote_tlb_flush_requests) + +#define KVM_GENERIC_VCPU_STATS() \ + STATS_DESC_COUNTER(VCPU_GENERIC, halt_successful_poll), \ + STATS_DESC_COUNTER(VCPU_GENERIC, halt_attempted_poll), \ + STATS_DESC_COUNTER(VCPU_GENERIC, halt_poll_invalid), \ + STATS_DESC_COUNTER(VCPU_GENERIC, halt_wakeup), \ + STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_success_ns), \ + STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_poll_fail_ns), \ + STATS_DESC_TIME_NSEC(VCPU_GENERIC, halt_wait_ns), \ + STATS_DESC_LOGHIST_TIME_NSEC(VCPU_GENERIC, halt_poll_success_hist, \ + HALT_POLL_HIST_COUNT), \ + STATS_DESC_LOGHIST_TIME_NSEC(VCPU_GENERIC, halt_poll_fail_hist, \ + HALT_POLL_HIST_COUNT), \ + STATS_DESC_LOGHIST_TIME_NSEC(VCPU_GENERIC, halt_wait_hist, \ + HALT_POLL_HIST_COUNT) -extern struct kvm_stats_debugfs_item debugfs_entries[]; extern struct dentry *kvm_debugfs_dir; +ssize_t kvm_stats_read(char *id, const struct kvm_stats_header *header, + const struct _kvm_stats_desc *desc, + void *stats, size_t size_stats, + char __user *user_buffer, size_t size, loff_t *offset); + +/** + * kvm_stats_linear_hist_update() - Update bucket value for linear histogram + * statistics data. + * + * @data: start address of the stats data + * @size: the number of bucket of the stats data + * @value: the new value used to update the linear histogram's bucket + * @bucket_size: the size (width) of a bucket + */ +static inline void kvm_stats_linear_hist_update(u64 *data, size_t size, + u64 value, size_t bucket_size) +{ + size_t index = div64_u64(value, bucket_size); + + index = min(index, size - 1); + ++data[index]; +} + +/** + * kvm_stats_log_hist_update() - Update bucket value for logarithmic histogram + * statistics data. + * + * @data: start address of the stats data + * @size: the number of bucket of the stats data + * @value: the new value used to update the logarithmic histogram's bucket + */ +static inline void kvm_stats_log_hist_update(u64 *data, size_t size, u64 value) +{ + size_t index = fls64(value); + + index = min(index, size - 1); + ++data[index]; +} + +#define KVM_STATS_LINEAR_HIST_UPDATE(array, value, bsize) \ + kvm_stats_linear_hist_update(array, ARRAY_SIZE(array), value, bsize) +#define KVM_STATS_LOG_HIST_UPDATE(array, value) \ + kvm_stats_log_hist_update(array, ARRAY_SIZE(array), value) + + +extern const struct kvm_stats_header kvm_vm_stats_header; +extern const struct _kvm_stats_desc kvm_vm_stats_desc[]; +extern const struct kvm_stats_header kvm_vcpu_stats_header; +extern const struct _kvm_stats_desc kvm_vcpu_stats_desc[]; + #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) static inline int mmu_notifier_retry(struct kvm *kvm, unsigned long mmu_seq) { diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h index a7580f69dda0..2237abb93ccd 100644 --- a/include/linux/kvm_types.h +++ b/include/linux/kvm_types.h @@ -76,5 +76,26 @@ struct kvm_mmu_memory_cache { }; #endif +#define HALT_POLL_HIST_COUNT 32 + +struct kvm_vm_stat_generic { + u64 remote_tlb_flush; + u64 remote_tlb_flush_requests; +}; + +struct kvm_vcpu_stat_generic { + u64 halt_successful_poll; + u64 halt_attempted_poll; + u64 halt_poll_invalid; + u64 halt_wakeup; + u64 halt_poll_success_ns; + u64 halt_poll_fail_ns; + u64 halt_wait_ns; + u64 halt_poll_success_hist[HALT_POLL_HIST_COUNT]; + u64 halt_poll_fail_hist[HALT_POLL_HIST_COUNT]; + u64 halt_wait_hist[HALT_POLL_HIST_COUNT]; +}; + +#define KVM_STATS_NAME_SIZE 48 #endif /* __KVM_TYPES_H__ */ diff --git a/include/linux/leds.h b/include/linux/leds.h index 329fd914cf24..a0b730be40ad 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -33,6 +33,12 @@ enum led_brightness { LED_FULL = 255, }; +enum led_default_state { + LEDS_DEFSTATE_OFF = 0, + LEDS_DEFSTATE_ON = 1, + LEDS_DEFSTATE_KEEP = 2, +}; + struct led_init_data { /* device fwnode handle */ struct fwnode_handle *fwnode; @@ -520,9 +526,9 @@ struct gpio_led { /* default_state should be one of LEDS_GPIO_DEFSTATE_(ON|OFF|KEEP) */ struct gpio_desc *gpiod; }; -#define LEDS_GPIO_DEFSTATE_OFF 0 -#define LEDS_GPIO_DEFSTATE_ON 1 -#define LEDS_GPIO_DEFSTATE_KEEP 2 +#define LEDS_GPIO_DEFSTATE_OFF LEDS_DEFSTATE_OFF +#define LEDS_GPIO_DEFSTATE_ON LEDS_DEFSTATE_ON +#define LEDS_GPIO_DEFSTATE_KEEP LEDS_DEFSTATE_KEEP struct gpio_led_platform_data { int num_leds; diff --git a/include/linux/libata.h b/include/linux/libata.h index 5f550eb27f81..c0c64f03e107 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -161,6 +161,10 @@ enum { ATA_DFLAG_D_SENSE = (1 << 29), /* Descriptor sense requested */ ATA_DFLAG_ZAC = (1 << 30), /* ZAC device */ + ATA_DFLAG_FEATURES_MASK = ATA_DFLAG_TRUSTED | ATA_DFLAG_DA | \ + ATA_DFLAG_DEVSLP | ATA_DFLAG_NCQ_SEND_RECV | \ + ATA_DFLAG_NCQ_PRIO, + ATA_DEV_UNKNOWN = 0, /* unknown device */ ATA_DEV_ATA = 1, /* ATA device */ ATA_DEV_ATA_UNSUP = 2, /* ATA device (unsupported) */ @@ -422,6 +426,7 @@ enum { ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ ATA_HORKAGE_MAX_TRIM_128M = (1 << 26), /* Limit max trim size to 128M */ + ATA_HORKAGE_NO_NCQ_ON_ATI = (1 << 27), /* Disable NCQ on ATI chipset */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ @@ -535,6 +540,7 @@ typedef void (*ata_postreset_fn_t)(struct ata_link *link, unsigned int *classes) extern struct device_attribute dev_attr_unload_heads; #ifdef CONFIG_SATA_HOST extern struct device_attribute dev_attr_link_power_management_policy; +extern struct device_attribute dev_attr_ncq_prio_supported; extern struct device_attribute dev_attr_ncq_prio_enable; extern struct device_attribute dev_attr_em_message_type; extern struct device_attribute dev_attr_em_message; @@ -1397,25 +1403,28 @@ extern struct device_attribute *ata_common_sdev_attrs[]; ATA_SCSI_COMPAT_IOCTL \ .queuecommand = ata_scsi_queuecmd, \ .dma_need_drain = ata_scsi_dma_need_drain, \ - .can_queue = ATA_DEF_QUEUE, \ - .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ .this_id = ATA_SHT_THIS_ID, \ .emulated = ATA_SHT_EMULATED, \ .proc_name = drv_name, \ - .slave_configure = ata_scsi_slave_config, \ .slave_destroy = ata_scsi_slave_destroy, \ .bios_param = ata_std_bios_param, \ .unlock_native_capacity = ata_scsi_unlock_native_capacity -#define ATA_BASE_SHT(drv_name) \ +#define ATA_SUBBASE_SHT(drv_name) \ __ATA_BASE_SHT(drv_name), \ + .can_queue = ATA_DEF_QUEUE, \ + .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ + .slave_configure = ata_scsi_slave_config + +#define ATA_BASE_SHT(drv_name) \ + ATA_SUBBASE_SHT(drv_name), \ .sdev_attrs = ata_common_sdev_attrs #ifdef CONFIG_SATA_HOST extern struct device_attribute *ata_ncq_sdev_attrs[]; #define ATA_NCQ_SHT(drv_name) \ - __ATA_BASE_SHT(drv_name), \ + ATA_SUBBASE_SHT(drv_name), \ .sdev_attrs = ata_ncq_sdev_attrs, \ .change_queue_depth = ata_scsi_change_queue_depth #endif @@ -1451,7 +1460,7 @@ static inline bool sata_pmp_attached(struct ata_port *ap) static inline bool ata_is_host_link(const struct ata_link *link) { - return 1; + return true; } #endif /* CONFIG_SATA_PMP */ diff --git a/include/linux/libnvdimm.h b/include/linux/libnvdimm.h index 89b69e645ac7..7074aa9af525 100644 --- a/include/linux/libnvdimm.h +++ b/include/linux/libnvdimm.h @@ -278,6 +278,7 @@ static inline struct nvdimm *nvdimm_create(struct nvdimm_bus *nvdimm_bus, return __nvdimm_create(nvdimm_bus, provider_data, groups, flags, cmd_mask, num_flush, flush_wpq, NULL, NULL, NULL); } +void nvdimm_delete(struct nvdimm *nvdimm); const struct nd_cmd_desc *nd_cmd_dimm_desc(int cmd); const struct nd_cmd_desc *nd_cmd_bus_desc(int cmd); diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h deleted file mode 100644 index 0908abda9c1b..000000000000 --- a/include/linux/lightnvm.h +++ /dev/null @@ -1,697 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef NVM_H -#define NVM_H - -#include <linux/blkdev.h> -#include <linux/types.h> -#include <uapi/linux/lightnvm.h> - -enum { - NVM_IO_OK = 0, - NVM_IO_REQUEUE = 1, - NVM_IO_DONE = 2, - NVM_IO_ERR = 3, - - NVM_IOTYPE_NONE = 0, - NVM_IOTYPE_GC = 1, -}; - -/* common format */ -#define NVM_GEN_CH_BITS (8) -#define NVM_GEN_LUN_BITS (8) -#define NVM_GEN_BLK_BITS (16) -#define NVM_GEN_RESERVED (32) - -/* 1.2 format */ -#define NVM_12_PG_BITS (16) -#define NVM_12_PL_BITS (4) -#define NVM_12_SEC_BITS (4) -#define NVM_12_RESERVED (8) - -/* 2.0 format */ -#define NVM_20_SEC_BITS (24) -#define NVM_20_RESERVED (8) - -enum { - NVM_OCSSD_SPEC_12 = 12, - NVM_OCSSD_SPEC_20 = 20, -}; - -struct ppa_addr { - /* Generic structure for all addresses */ - union { - /* generic device format */ - struct { - u64 ch : NVM_GEN_CH_BITS; - u64 lun : NVM_GEN_LUN_BITS; - u64 blk : NVM_GEN_BLK_BITS; - u64 reserved : NVM_GEN_RESERVED; - } a; - - /* 1.2 device format */ - struct { - u64 ch : NVM_GEN_CH_BITS; - u64 lun : NVM_GEN_LUN_BITS; - u64 blk : NVM_GEN_BLK_BITS; - u64 pg : NVM_12_PG_BITS; - u64 pl : NVM_12_PL_BITS; - u64 sec : NVM_12_SEC_BITS; - u64 reserved : NVM_12_RESERVED; - } g; - - /* 2.0 device format */ - struct { - u64 grp : NVM_GEN_CH_BITS; - u64 pu : NVM_GEN_LUN_BITS; - u64 chk : NVM_GEN_BLK_BITS; - u64 sec : NVM_20_SEC_BITS; - u64 reserved : NVM_20_RESERVED; - } m; - - struct { - u64 line : 63; - u64 is_cached : 1; - } c; - - u64 ppa; - }; -}; - -struct nvm_rq; -struct nvm_id; -struct nvm_dev; -struct nvm_tgt_dev; -struct nvm_chk_meta; - -typedef int (nvm_id_fn)(struct nvm_dev *); -typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, u8 *); -typedef int (nvm_op_set_bb_fn)(struct nvm_dev *, struct ppa_addr *, int, int); -typedef int (nvm_get_chk_meta_fn)(struct nvm_dev *, sector_t, int, - struct nvm_chk_meta *); -typedef int (nvm_submit_io_fn)(struct nvm_dev *, struct nvm_rq *, void *); -typedef void *(nvm_create_dma_pool_fn)(struct nvm_dev *, char *, int); -typedef void (nvm_destroy_dma_pool_fn)(void *); -typedef void *(nvm_dev_dma_alloc_fn)(struct nvm_dev *, void *, gfp_t, - dma_addr_t *); -typedef void (nvm_dev_dma_free_fn)(void *, void*, dma_addr_t); - -struct nvm_dev_ops { - nvm_id_fn *identity; - nvm_op_bb_tbl_fn *get_bb_tbl; - nvm_op_set_bb_fn *set_bb_tbl; - - nvm_get_chk_meta_fn *get_chk_meta; - - nvm_submit_io_fn *submit_io; - - nvm_create_dma_pool_fn *create_dma_pool; - nvm_destroy_dma_pool_fn *destroy_dma_pool; - nvm_dev_dma_alloc_fn *dev_dma_alloc; - nvm_dev_dma_free_fn *dev_dma_free; -}; - -#ifdef CONFIG_NVM - -#include <linux/file.h> -#include <linux/dmapool.h> - -enum { - /* HW Responsibilities */ - NVM_RSP_L2P = 1 << 0, - NVM_RSP_ECC = 1 << 1, - - /* Physical Adressing Mode */ - NVM_ADDRMODE_LINEAR = 0, - NVM_ADDRMODE_CHANNEL = 1, - - /* Plane programming mode for LUN */ - NVM_PLANE_SINGLE = 1, - NVM_PLANE_DOUBLE = 2, - NVM_PLANE_QUAD = 4, - - /* Status codes */ - NVM_RSP_SUCCESS = 0x0, - NVM_RSP_NOT_CHANGEABLE = 0x1, - NVM_RSP_ERR_FAILWRITE = 0x40ff, - NVM_RSP_ERR_EMPTYPAGE = 0x42ff, - NVM_RSP_ERR_FAILECC = 0x4281, - NVM_RSP_ERR_FAILCRC = 0x4004, - NVM_RSP_WARN_HIGHECC = 0x4700, - - /* Device opcodes */ - NVM_OP_PWRITE = 0x91, - NVM_OP_PREAD = 0x92, - NVM_OP_ERASE = 0x90, - - /* PPA Command Flags */ - NVM_IO_SNGL_ACCESS = 0x0, - NVM_IO_DUAL_ACCESS = 0x1, - NVM_IO_QUAD_ACCESS = 0x2, - - /* NAND Access Modes */ - NVM_IO_SUSPEND = 0x80, - NVM_IO_SLC_MODE = 0x100, - NVM_IO_SCRAMBLE_ENABLE = 0x200, - - /* Block Types */ - NVM_BLK_T_FREE = 0x0, - NVM_BLK_T_BAD = 0x1, - NVM_BLK_T_GRWN_BAD = 0x2, - NVM_BLK_T_DEV = 0x4, - NVM_BLK_T_HOST = 0x8, - - /* Memory capabilities */ - NVM_ID_CAP_SLC = 0x1, - NVM_ID_CAP_CMD_SUSPEND = 0x2, - NVM_ID_CAP_SCRAMBLE = 0x4, - NVM_ID_CAP_ENCRYPT = 0x8, - - /* Memory types */ - NVM_ID_FMTYPE_SLC = 0, - NVM_ID_FMTYPE_MLC = 1, - - /* Device capabilities */ - NVM_ID_DCAP_BBLKMGMT = 0x1, - NVM_UD_DCAP_ECC = 0x2, -}; - -struct nvm_id_lp_mlc { - u16 num_pairs; - u8 pairs[886]; -}; - -struct nvm_id_lp_tbl { - __u8 id[8]; - struct nvm_id_lp_mlc mlc; -}; - -struct nvm_addrf_12 { - u8 ch_len; - u8 lun_len; - u8 blk_len; - u8 pg_len; - u8 pln_len; - u8 sec_len; - - u8 ch_offset; - u8 lun_offset; - u8 blk_offset; - u8 pg_offset; - u8 pln_offset; - u8 sec_offset; - - u64 ch_mask; - u64 lun_mask; - u64 blk_mask; - u64 pg_mask; - u64 pln_mask; - u64 sec_mask; -}; - -struct nvm_addrf { - u8 ch_len; - u8 lun_len; - u8 chk_len; - u8 sec_len; - u8 rsv_len[2]; - - u8 ch_offset; - u8 lun_offset; - u8 chk_offset; - u8 sec_offset; - u8 rsv_off[2]; - - u64 ch_mask; - u64 lun_mask; - u64 chk_mask; - u64 sec_mask; - u64 rsv_mask[2]; -}; - -enum { - /* Chunk states */ - NVM_CHK_ST_FREE = 1 << 0, - NVM_CHK_ST_CLOSED = 1 << 1, - NVM_CHK_ST_OPEN = 1 << 2, - NVM_CHK_ST_OFFLINE = 1 << 3, - - /* Chunk types */ - NVM_CHK_TP_W_SEQ = 1 << 0, - NVM_CHK_TP_W_RAN = 1 << 1, - NVM_CHK_TP_SZ_SPEC = 1 << 4, -}; - -/* - * Note: The structure size is linked to nvme_nvm_chk_meta such that the same - * buffer can be used when converting from little endian to cpu addressing. - */ -struct nvm_chk_meta { - u8 state; - u8 type; - u8 wi; - u8 rsvd[5]; - u64 slba; - u64 cnlb; - u64 wp; -}; - -struct nvm_target { - struct list_head list; - struct nvm_tgt_dev *dev; - struct nvm_tgt_type *type; - struct gendisk *disk; -}; - -#define ADDR_EMPTY (~0ULL) - -#define NVM_TARGET_DEFAULT_OP (101) -#define NVM_TARGET_MIN_OP (3) -#define NVM_TARGET_MAX_OP (80) - -#define NVM_VERSION_MAJOR 1 -#define NVM_VERSION_MINOR 0 -#define NVM_VERSION_PATCH 0 - -#define NVM_MAX_VLBA (64) /* max logical blocks in a vector command */ - -struct nvm_rq; -typedef void (nvm_end_io_fn)(struct nvm_rq *); - -struct nvm_rq { - struct nvm_tgt_dev *dev; - - struct bio *bio; - - union { - struct ppa_addr ppa_addr; - dma_addr_t dma_ppa_list; - }; - - struct ppa_addr *ppa_list; - - void *meta_list; - dma_addr_t dma_meta_list; - - nvm_end_io_fn *end_io; - - uint8_t opcode; - uint16_t nr_ppas; - uint16_t flags; - - u64 ppa_status; /* ppa media status */ - int error; - - int is_seq; /* Sequential hint flag. 1.2 only */ - - void *private; -}; - -static inline struct nvm_rq *nvm_rq_from_pdu(void *pdu) -{ - return pdu - sizeof(struct nvm_rq); -} - -static inline void *nvm_rq_to_pdu(struct nvm_rq *rqdata) -{ - return rqdata + 1; -} - -static inline struct ppa_addr *nvm_rq_to_ppa_list(struct nvm_rq *rqd) -{ - return (rqd->nr_ppas > 1) ? rqd->ppa_list : &rqd->ppa_addr; -} - -enum { - NVM_BLK_ST_FREE = 0x1, /* Free block */ - NVM_BLK_ST_TGT = 0x2, /* Block in use by target */ - NVM_BLK_ST_BAD = 0x8, /* Bad block */ -}; - -/* Instance geometry */ -struct nvm_geo { - /* device reported version */ - u8 major_ver_id; - u8 minor_ver_id; - - /* kernel short version */ - u8 version; - - /* instance specific geometry */ - int num_ch; - int num_lun; /* per channel */ - - /* calculated values */ - int all_luns; /* across channels */ - int all_chunks; /* across channels */ - - int op; /* over-provision in instance */ - - sector_t total_secs; /* across channels */ - - /* chunk geometry */ - u32 num_chk; /* chunks per lun */ - u32 clba; /* sectors per chunk */ - u16 csecs; /* sector size */ - u16 sos; /* out-of-band area size */ - bool ext; /* metadata in extended data buffer */ - u32 mdts; /* Max data transfer size*/ - - /* device write constrains */ - u32 ws_min; /* minimum write size */ - u32 ws_opt; /* optimal write size */ - u32 mw_cunits; /* distance required for successful read */ - u32 maxoc; /* maximum open chunks */ - u32 maxocpu; /* maximum open chunks per parallel unit */ - - /* device capabilities */ - u32 mccap; - - /* device timings */ - u32 trdt; /* Avg. Tread (ns) */ - u32 trdm; /* Max Tread (ns) */ - u32 tprt; /* Avg. Tprog (ns) */ - u32 tprm; /* Max Tprog (ns) */ - u32 tbet; /* Avg. Terase (ns) */ - u32 tbem; /* Max Terase (ns) */ - - /* generic address format */ - struct nvm_addrf addrf; - - /* 1.2 compatibility */ - u8 vmnt; - u32 cap; - u32 dom; - - u8 mtype; - u8 fmtype; - - u16 cpar; - u32 mpos; - - u8 num_pln; - u8 pln_mode; - u16 num_pg; - u16 fpg_sz; -}; - -/* sub-device structure */ -struct nvm_tgt_dev { - /* Device information */ - struct nvm_geo geo; - - /* Base ppas for target LUNs */ - struct ppa_addr *luns; - - struct request_queue *q; - - struct nvm_dev *parent; - void *map; -}; - -struct nvm_dev { - struct nvm_dev_ops *ops; - - struct list_head devices; - - /* Device information */ - struct nvm_geo geo; - - unsigned long *lun_map; - void *dma_pool; - - /* Backend device */ - struct request_queue *q; - char name[DISK_NAME_LEN]; - void *private_data; - - struct kref ref; - void *rmap; - - struct mutex mlock; - spinlock_t lock; - - /* target management */ - struct list_head area_list; - struct list_head targets; -}; - -static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev, - struct ppa_addr r) -{ - struct nvm_geo *geo = &dev->geo; - struct ppa_addr l; - - if (geo->version == NVM_OCSSD_SPEC_12) { - struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&geo->addrf; - - l.ppa = ((u64)r.g.ch) << ppaf->ch_offset; - l.ppa |= ((u64)r.g.lun) << ppaf->lun_offset; - l.ppa |= ((u64)r.g.blk) << ppaf->blk_offset; - l.ppa |= ((u64)r.g.pg) << ppaf->pg_offset; - l.ppa |= ((u64)r.g.pl) << ppaf->pln_offset; - l.ppa |= ((u64)r.g.sec) << ppaf->sec_offset; - } else { - struct nvm_addrf *lbaf = &geo->addrf; - - l.ppa = ((u64)r.m.grp) << lbaf->ch_offset; - l.ppa |= ((u64)r.m.pu) << lbaf->lun_offset; - l.ppa |= ((u64)r.m.chk) << lbaf->chk_offset; - l.ppa |= ((u64)r.m.sec) << lbaf->sec_offset; - } - - return l; -} - -static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev, - struct ppa_addr r) -{ - struct nvm_geo *geo = &dev->geo; - struct ppa_addr l; - - l.ppa = 0; - - if (geo->version == NVM_OCSSD_SPEC_12) { - struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)&geo->addrf; - - l.g.ch = (r.ppa & ppaf->ch_mask) >> ppaf->ch_offset; - l.g.lun = (r.ppa & ppaf->lun_mask) >> ppaf->lun_offset; - l.g.blk = (r.ppa & ppaf->blk_mask) >> ppaf->blk_offset; - l.g.pg = (r.ppa & ppaf->pg_mask) >> ppaf->pg_offset; - l.g.pl = (r.ppa & ppaf->pln_mask) >> ppaf->pln_offset; - l.g.sec = (r.ppa & ppaf->sec_mask) >> ppaf->sec_offset; - } else { - struct nvm_addrf *lbaf = &geo->addrf; - - l.m.grp = (r.ppa & lbaf->ch_mask) >> lbaf->ch_offset; - l.m.pu = (r.ppa & lbaf->lun_mask) >> lbaf->lun_offset; - l.m.chk = (r.ppa & lbaf->chk_mask) >> lbaf->chk_offset; - l.m.sec = (r.ppa & lbaf->sec_mask) >> lbaf->sec_offset; - } - - return l; -} - -static inline u64 dev_to_chunk_addr(struct nvm_dev *dev, void *addrf, - struct ppa_addr p) -{ - struct nvm_geo *geo = &dev->geo; - u64 caddr; - - if (geo->version == NVM_OCSSD_SPEC_12) { - struct nvm_addrf_12 *ppaf = (struct nvm_addrf_12 *)addrf; - - caddr = (u64)p.g.pg << ppaf->pg_offset; - caddr |= (u64)p.g.pl << ppaf->pln_offset; - caddr |= (u64)p.g.sec << ppaf->sec_offset; - } else { - caddr = p.m.sec; - } - - return caddr; -} - -static inline struct ppa_addr nvm_ppa32_to_ppa64(struct nvm_dev *dev, - void *addrf, u32 ppa32) -{ - struct ppa_addr ppa64; - - ppa64.ppa = 0; - - if (ppa32 == -1) { - ppa64.ppa = ADDR_EMPTY; - } else if (ppa32 & (1U << 31)) { - ppa64.c.line = ppa32 & ((~0U) >> 1); - ppa64.c.is_cached = 1; - } else { - struct nvm_geo *geo = &dev->geo; - - if (geo->version == NVM_OCSSD_SPEC_12) { - struct nvm_addrf_12 *ppaf = addrf; - - ppa64.g.ch = (ppa32 & ppaf->ch_mask) >> - ppaf->ch_offset; - ppa64.g.lun = (ppa32 & ppaf->lun_mask) >> - ppaf->lun_offset; - ppa64.g.blk = (ppa32 & ppaf->blk_mask) >> - ppaf->blk_offset; - ppa64.g.pg = (ppa32 & ppaf->pg_mask) >> - ppaf->pg_offset; - ppa64.g.pl = (ppa32 & ppaf->pln_mask) >> - ppaf->pln_offset; - ppa64.g.sec = (ppa32 & ppaf->sec_mask) >> - ppaf->sec_offset; - } else { - struct nvm_addrf *lbaf = addrf; - - ppa64.m.grp = (ppa32 & lbaf->ch_mask) >> - lbaf->ch_offset; - ppa64.m.pu = (ppa32 & lbaf->lun_mask) >> - lbaf->lun_offset; - ppa64.m.chk = (ppa32 & lbaf->chk_mask) >> - lbaf->chk_offset; - ppa64.m.sec = (ppa32 & lbaf->sec_mask) >> - lbaf->sec_offset; - } - } - - return ppa64; -} - -static inline u32 nvm_ppa64_to_ppa32(struct nvm_dev *dev, - void *addrf, struct ppa_addr ppa64) -{ - u32 ppa32 = 0; - - if (ppa64.ppa == ADDR_EMPTY) { - ppa32 = ~0U; - } else if (ppa64.c.is_cached) { - ppa32 |= ppa64.c.line; - ppa32 |= 1U << 31; - } else { - struct nvm_geo *geo = &dev->geo; - - if (geo->version == NVM_OCSSD_SPEC_12) { - struct nvm_addrf_12 *ppaf = addrf; - - ppa32 |= ppa64.g.ch << ppaf->ch_offset; - ppa32 |= ppa64.g.lun << ppaf->lun_offset; - ppa32 |= ppa64.g.blk << ppaf->blk_offset; - ppa32 |= ppa64.g.pg << ppaf->pg_offset; - ppa32 |= ppa64.g.pl << ppaf->pln_offset; - ppa32 |= ppa64.g.sec << ppaf->sec_offset; - } else { - struct nvm_addrf *lbaf = addrf; - - ppa32 |= ppa64.m.grp << lbaf->ch_offset; - ppa32 |= ppa64.m.pu << lbaf->lun_offset; - ppa32 |= ppa64.m.chk << lbaf->chk_offset; - ppa32 |= ppa64.m.sec << lbaf->sec_offset; - } - } - - return ppa32; -} - -static inline int nvm_next_ppa_in_chk(struct nvm_tgt_dev *dev, - struct ppa_addr *ppa) -{ - struct nvm_geo *geo = &dev->geo; - int last = 0; - - if (geo->version == NVM_OCSSD_SPEC_12) { - int sec = ppa->g.sec; - - sec++; - if (sec == geo->ws_min) { - int pg = ppa->g.pg; - - sec = 0; - pg++; - if (pg == geo->num_pg) { - int pl = ppa->g.pl; - - pg = 0; - pl++; - if (pl == geo->num_pln) - last = 1; - - ppa->g.pl = pl; - } - ppa->g.pg = pg; - } - ppa->g.sec = sec; - } else { - ppa->m.sec++; - if (ppa->m.sec == geo->clba) - last = 1; - } - - return last; -} - -typedef sector_t (nvm_tgt_capacity_fn)(void *); -typedef void *(nvm_tgt_init_fn)(struct nvm_tgt_dev *, struct gendisk *, - int flags); -typedef void (nvm_tgt_exit_fn)(void *, bool); -typedef int (nvm_tgt_sysfs_init_fn)(struct gendisk *); -typedef void (nvm_tgt_sysfs_exit_fn)(struct gendisk *); - -enum { - NVM_TGT_F_DEV_L2P = 0, - NVM_TGT_F_HOST_L2P = 1 << 0, -}; - -struct nvm_tgt_type { - const char *name; - unsigned int version[3]; - int flags; - - /* target entry points */ - const struct block_device_operations *bops; - nvm_tgt_capacity_fn *capacity; - - /* module-specific init/teardown */ - nvm_tgt_init_fn *init; - nvm_tgt_exit_fn *exit; - - /* sysfs */ - nvm_tgt_sysfs_init_fn *sysfs_init; - nvm_tgt_sysfs_exit_fn *sysfs_exit; - - /* For internal use */ - struct list_head list; - struct module *owner; -}; - -extern int nvm_register_tgt_type(struct nvm_tgt_type *); -extern void nvm_unregister_tgt_type(struct nvm_tgt_type *); - -extern void *nvm_dev_dma_alloc(struct nvm_dev *, gfp_t, dma_addr_t *); -extern void nvm_dev_dma_free(struct nvm_dev *, void *, dma_addr_t); - -extern struct nvm_dev *nvm_alloc_dev(int); -extern int nvm_register(struct nvm_dev *); -extern void nvm_unregister(struct nvm_dev *); - -extern int nvm_get_chunk_meta(struct nvm_tgt_dev *, struct ppa_addr, - int, struct nvm_chk_meta *); -extern int nvm_set_chunk_meta(struct nvm_tgt_dev *, struct ppa_addr *, - int, int); -extern int nvm_submit_io(struct nvm_tgt_dev *, struct nvm_rq *, void *); -extern int nvm_submit_io_sync(struct nvm_tgt_dev *, struct nvm_rq *, void *); -extern void nvm_end_io(struct nvm_rq *); - -#else /* CONFIG_NVM */ -struct nvm_dev_ops; - -static inline struct nvm_dev *nvm_alloc_dev(int node) -{ - return ERR_PTR(-EINVAL); -} -static inline int nvm_register(struct nvm_dev *dev) -{ - return -EINVAL; -} -static inline void nvm_unregister(struct nvm_dev *dev) {} -#endif /* CONFIG_NVM */ -#endif /* LIGHTNVM.H */ diff --git a/include/linux/linear_range.h b/include/linux/linear_range.h index 17b5943727d5..fd3d0b358f22 100644 --- a/include/linux/linear_range.h +++ b/include/linux/linear_range.h @@ -41,6 +41,8 @@ int linear_range_get_selector_low(const struct linear_range *r, int linear_range_get_selector_high(const struct linear_range *r, unsigned int val, unsigned int *selector, bool *found); +void linear_range_get_selector_within(const struct linear_range *r, + unsigned int val, unsigned int *selector); int linear_range_get_selector_low_array(const struct linear_range *r, int ranges, unsigned int val, unsigned int *selector, bool *found); diff --git a/include/linux/list_lru.h b/include/linux/list_lru.h index 9dcaa3e582c9..1b5fceb565df 100644 --- a/include/linux/list_lru.h +++ b/include/linux/list_lru.h @@ -146,7 +146,7 @@ typedef enum lru_status (*list_lru_walk_cb)(struct list_head *item, * @lru: the lru pointer. * @nid: the node id to scan from. * @memcg: the cgroup to scan from. - * @isolate: callback function that is resposible for deciding what to do with + * @isolate: callback function that is responsible for deciding what to do with * the item currently being scanned * @cb_arg: opaque type that will be passed to @isolate * @nr_to_walk: how many items to scan. @@ -172,7 +172,7 @@ unsigned long list_lru_walk_one(struct list_lru *lru, * @lru: the lru pointer. * @nid: the node id to scan from. * @memcg: the cgroup to scan from. - * @isolate: callback function that is resposible for deciding what to do with + * @isolate: callback function that is responsible for deciding what to do with * the item currently being scanned * @cb_arg: opaque type that will be passed to @isolate * @nr_to_walk: how many items to scan. diff --git a/include/linux/litex.h b/include/linux/litex.h index 5ea9ccf5cce4..f2edb86d5f44 100644 --- a/include/linux/litex.h +++ b/include/linux/litex.h @@ -11,18 +11,6 @@ #include <linux/io.h> -/* LiteX SoCs support 8- or 32-bit CSR Bus data width (i.e., subreg. size) */ -#if defined(CONFIG_LITEX_SUBREG_SIZE) && \ - (CONFIG_LITEX_SUBREG_SIZE == 1 || CONFIG_LITEX_SUBREG_SIZE == 4) -#define LITEX_SUBREG_SIZE CONFIG_LITEX_SUBREG_SIZE -#else -#error LiteX subregister size (LITEX_SUBREG_SIZE) must be 4 or 1! -#endif -#define LITEX_SUBREG_SIZE_BIT (LITEX_SUBREG_SIZE * 8) - -/* LiteX subregisters of any width are always aligned on a 4-byte boundary */ -#define LITEX_SUBREG_ALIGN 0x4 - static inline void _write_litex_subregister(u32 val, void __iomem *addr) { writel((u32 __force)cpu_to_le32(val), addr); @@ -42,115 +30,54 @@ static inline u32 _read_litex_subregister(void __iomem *addr) * 32-bit wide logical CSR will be laid out as four 32-bit physical * subregisters, each one containing one byte of meaningful data. * - * For details see: https://github.com/enjoy-digital/litex/wiki/CSR-Bus - */ - -/* number of LiteX subregisters needed to store a register of given reg_size */ -#define _litex_num_subregs(reg_size) \ - (((reg_size) - 1) / LITEX_SUBREG_SIZE + 1) - -/* - * since the number of 4-byte aligned subregisters required to store a single - * LiteX CSR (MMIO) register varies with LITEX_SUBREG_SIZE, the offset of the - * next adjacent LiteX CSR register w.r.t. the offset of the current one also - * depends on how many subregisters the latter is spread across - */ -#define _next_reg_off(off, size) \ - ((off) + _litex_num_subregs(size) * LITEX_SUBREG_ALIGN) - -/* - * The purpose of `_litex_[set|get]_reg()` is to implement the logic of - * writing to/reading from the LiteX CSR in a single place that can be then - * reused by all LiteX drivers via the `litex_[write|read][8|16|32|64]()` - * accessors for the appropriate data width. - * NOTE: direct use of `_litex_[set|get]_reg()` by LiteX drivers is strongly - * discouraged, as they perform no error checking on the requested data width! - */ - -/** - * _litex_set_reg() - Writes a value to the LiteX CSR (Control&Status Register) - * @reg: Address of the CSR - * @reg_size: The width of the CSR expressed in the number of bytes - * @val: Value to be written to the CSR + * For Linux support, upstream LiteX enforces a 32-bit wide CSR bus, which + * means that only larger-than-32-bit CSRs will be split across multiple + * subregisters (e.g., a 64-bit CSR will be spread across two consecutive + * 32-bit subregisters). * - * This function splits a single (possibly multi-byte) LiteX CSR write into - * a series of subregister writes with a proper offset. - * NOTE: caller is responsible for ensuring (0 < reg_size <= sizeof(u64)). - */ -static inline void _litex_set_reg(void __iomem *reg, size_t reg_size, u64 val) -{ - u8 shift = _litex_num_subregs(reg_size) * LITEX_SUBREG_SIZE_BIT; - - while (shift > 0) { - shift -= LITEX_SUBREG_SIZE_BIT; - _write_litex_subregister(val >> shift, reg); - reg += LITEX_SUBREG_ALIGN; - } -} - -/** - * _litex_get_reg() - Reads a value of the LiteX CSR (Control&Status Register) - * @reg: Address of the CSR - * @reg_size: The width of the CSR expressed in the number of bytes - * - * Return: Value read from the CSR - * - * This function generates a series of subregister reads with a proper offset - * and joins their results into a single (possibly multi-byte) LiteX CSR value. - * NOTE: caller is responsible for ensuring (0 < reg_size <= sizeof(u64)). + * For details see: https://github.com/enjoy-digital/litex/wiki/CSR-Bus */ -static inline u64 _litex_get_reg(void __iomem *reg, size_t reg_size) -{ - u64 r; - u8 i; - - r = _read_litex_subregister(reg); - for (i = 1; i < _litex_num_subregs(reg_size); i++) { - r <<= LITEX_SUBREG_SIZE_BIT; - reg += LITEX_SUBREG_ALIGN; - r |= _read_litex_subregister(reg); - } - return r; -} static inline void litex_write8(void __iomem *reg, u8 val) { - _litex_set_reg(reg, sizeof(u8), val); + _write_litex_subregister(val, reg); } static inline void litex_write16(void __iomem *reg, u16 val) { - _litex_set_reg(reg, sizeof(u16), val); + _write_litex_subregister(val, reg); } static inline void litex_write32(void __iomem *reg, u32 val) { - _litex_set_reg(reg, sizeof(u32), val); + _write_litex_subregister(val, reg); } static inline void litex_write64(void __iomem *reg, u64 val) { - _litex_set_reg(reg, sizeof(u64), val); + _write_litex_subregister(val >> 32, reg); + _write_litex_subregister(val, reg + 4); } static inline u8 litex_read8(void __iomem *reg) { - return _litex_get_reg(reg, sizeof(u8)); + return _read_litex_subregister(reg); } static inline u16 litex_read16(void __iomem *reg) { - return _litex_get_reg(reg, sizeof(u16)); + return _read_litex_subregister(reg); } static inline u32 litex_read32(void __iomem *reg) { - return _litex_get_reg(reg, sizeof(u32)); + return _read_litex_subregister(reg); } static inline u64 litex_read64(void __iomem *reg) { - return _litex_get_reg(reg, sizeof(u64)); + return ((u64)_read_litex_subregister(reg) << 32) | + _read_litex_subregister(reg + 4); } #endif /* _LINUX_LITEX_H */ diff --git a/include/linux/local_lock_internal.h b/include/linux/local_lock_internal.h index ded90b097e6e..975e33b793a7 100644 --- a/include/linux/local_lock_internal.h +++ b/include/linux/local_lock_internal.h @@ -6,6 +6,8 @@ #include <linux/percpu-defs.h> #include <linux/lockdep.h> +#ifndef CONFIG_PREEMPT_RT + typedef struct { #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; @@ -14,29 +16,14 @@ typedef struct { } local_lock_t; #ifdef CONFIG_DEBUG_LOCK_ALLOC -# define LL_DEP_MAP_INIT(lockname) \ +# define LOCAL_LOCK_DEBUG_INIT(lockname) \ .dep_map = { \ .name = #lockname, \ .wait_type_inner = LD_WAIT_CONFIG, \ - .lock_type = LD_LOCK_PERCPU, \ - } -#else -# define LL_DEP_MAP_INIT(lockname) -#endif - -#define INIT_LOCAL_LOCK(lockname) { LL_DEP_MAP_INIT(lockname) } - -#define __local_lock_init(lock) \ -do { \ - static struct lock_class_key __key; \ - \ - debug_check_no_locks_freed((void *)lock, sizeof(*lock));\ - lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, 0, \ - LD_WAIT_CONFIG, LD_WAIT_INV, \ - LD_LOCK_PERCPU); \ -} while (0) + .lock_type = LD_LOCK_PERCPU, \ + }, \ + .owner = NULL, -#ifdef CONFIG_DEBUG_LOCK_ALLOC static inline void local_lock_acquire(local_lock_t *l) { lock_map_acquire(&l->dep_map); @@ -51,11 +38,30 @@ static inline void local_lock_release(local_lock_t *l) lock_map_release(&l->dep_map); } +static inline void local_lock_debug_init(local_lock_t *l) +{ + l->owner = NULL; +} #else /* CONFIG_DEBUG_LOCK_ALLOC */ +# define LOCAL_LOCK_DEBUG_INIT(lockname) static inline void local_lock_acquire(local_lock_t *l) { } static inline void local_lock_release(local_lock_t *l) { } +static inline void local_lock_debug_init(local_lock_t *l) { } #endif /* !CONFIG_DEBUG_LOCK_ALLOC */ +#define INIT_LOCAL_LOCK(lockname) { LOCAL_LOCK_DEBUG_INIT(lockname) } + +#define __local_lock_init(lock) \ +do { \ + static struct lock_class_key __key; \ + \ + debug_check_no_locks_freed((void *)lock, sizeof(*lock));\ + lockdep_init_map_type(&(lock)->dep_map, #lock, &__key, \ + 0, LD_WAIT_CONFIG, LD_WAIT_INV, \ + LD_LOCK_PERCPU); \ + local_lock_debug_init(lock); \ +} while (0) + #define __local_lock(lock) \ do { \ preempt_disable(); \ @@ -91,3 +97,45 @@ static inline void local_lock_release(local_lock_t *l) { } local_lock_release(this_cpu_ptr(lock)); \ local_irq_restore(flags); \ } while (0) + +#else /* !CONFIG_PREEMPT_RT */ + +/* + * On PREEMPT_RT local_lock maps to a per CPU spinlock, which protects the + * critical section while staying preemptible. + */ +typedef spinlock_t local_lock_t; + +#define INIT_LOCAL_LOCK(lockname) __LOCAL_SPIN_LOCK_UNLOCKED((lockname)) + +#define __local_lock_init(l) \ + do { \ + local_spin_lock_init((l)); \ + } while (0) + +#define __local_lock(__lock) \ + do { \ + migrate_disable(); \ + spin_lock(this_cpu_ptr((__lock))); \ + } while (0) + +#define __local_lock_irq(lock) __local_lock(lock) + +#define __local_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + flags = 0; \ + __local_lock(lock); \ + } while (0) + +#define __local_unlock(__lock) \ + do { \ + spin_unlock(this_cpu_ptr((__lock))); \ + migrate_enable(); \ + } while (0) + +#define __local_unlock_irq(lock) __local_unlock(lock) + +#define __local_unlock_irqrestore(lock, flags) __local_unlock(lock) + +#endif /* CONFIG_PREEMPT_RT */ diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h index 0520c0cd73f4..3bc9f7410e21 100644 --- a/include/linux/lockd/bind.h +++ b/include/linux/lockd/bind.h @@ -27,7 +27,8 @@ struct rpc_task; struct nlmsvc_binding { __be32 (*fopen)(struct svc_rqst *, struct nfs_fh *, - struct file **); + struct file **, + int mode); void (*fclose)(struct file *); }; diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h index 666f5f310a04..c4ae6506b8b3 100644 --- a/include/linux/lockd/lockd.h +++ b/include/linux/lockd/lockd.h @@ -10,6 +10,8 @@ #ifndef LINUX_LOCKD_LOCKD_H #define LINUX_LOCKD_LOCKD_H +/* XXX: a lot of this should really be under fs/lockd. */ + #include <linux/in.h> #include <linux/in6.h> #include <net/ipv6.h> @@ -154,7 +156,8 @@ struct nlm_rqst { struct nlm_file { struct hlist_node f_list; /* linked list */ struct nfs_fh f_handle; /* NFS file handle */ - struct file * f_file; /* VFS file pointer */ + struct file * f_file[2]; /* VFS file pointers, + indexed by O_ flags */ struct nlm_share * f_shares; /* DOS shares */ struct list_head f_blocks; /* blocked locks */ unsigned int f_locks; /* guesstimate # of locks */ @@ -267,6 +270,7 @@ typedef int (*nlm_host_match_fn_t)(void *cur, struct nlm_host *ref); /* * Server-side lock handling */ +int lock_to_openmode(struct file_lock *); __be32 nlmsvc_lock(struct svc_rqst *, struct nlm_file *, struct nlm_host *, struct nlm_lock *, int, struct nlm_cookie *, int); @@ -286,7 +290,7 @@ void nlmsvc_locks_init_private(struct file_lock *, struct nlm_host *, pid_t); * File handling for the server personality */ __be32 nlm_lookup_file(struct svc_rqst *, struct nlm_file **, - struct nfs_fh *); + struct nlm_lock *); void nlm_release_file(struct nlm_file *); void nlmsvc_release_lockowner(struct nlm_lock *); void nlmsvc_mark_resources(struct net *); @@ -301,7 +305,8 @@ int nlmsvc_unlock_all_by_ip(struct sockaddr *server_addr); static inline struct inode *nlmsvc_file_inode(struct nlm_file *file) { - return locks_inode(file->f_file); + return locks_inode(file->f_file[O_RDONLY] ? + file->f_file[O_RDONLY] : file->f_file[O_WRONLY]); } static inline int __nlm_privileged_request4(const struct sockaddr *sap) diff --git a/include/linux/lockd/xdr.h b/include/linux/lockd/xdr.h index 7ab9f264313f..a98309c0121c 100644 --- a/include/linux/lockd/xdr.h +++ b/include/linux/lockd/xdr.h @@ -109,11 +109,5 @@ int nlmsvc_decode_shareargs(struct svc_rqst *, __be32 *); int nlmsvc_encode_shareres(struct svc_rqst *, __be32 *); int nlmsvc_decode_notify(struct svc_rqst *, __be32 *); int nlmsvc_decode_reboot(struct svc_rqst *, __be32 *); -/* -int nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *); -int nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *); -int nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *); -int nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *); - */ #endif /* LOCKD_XDR_H */ diff --git a/include/linux/lockd/xdr4.h b/include/linux/lockd/xdr4.h index e709fe5924f2..5ae766f26e04 100644 --- a/include/linux/lockd/xdr4.h +++ b/include/linux/lockd/xdr4.h @@ -37,12 +37,7 @@ int nlm4svc_decode_shareargs(struct svc_rqst *, __be32 *); int nlm4svc_encode_shareres(struct svc_rqst *, __be32 *); int nlm4svc_decode_notify(struct svc_rqst *, __be32 *); int nlm4svc_decode_reboot(struct svc_rqst *, __be32 *); -/* -int nlmclt_encode_testargs(struct rpc_rqst *, u32 *, struct nlm_args *); -int nlmclt_encode_lockargs(struct rpc_rqst *, u32 *, struct nlm_args *); -int nlmclt_encode_cancargs(struct rpc_rqst *, u32 *, struct nlm_args *); -int nlmclt_encode_unlockargs(struct rpc_rqst *, u32 *, struct nlm_args *); - */ + extern const struct rpc_version nlm_version4; #endif /* LOCKD_XDR4_H */ diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index 5cf387813754..9fe165beb0f9 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -306,31 +306,29 @@ extern void lock_unpin_lock(struct lockdep_map *lock, struct pin_cookie); #define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0) -#define lockdep_assert_held(l) do { \ - WARN_ON(debug_locks && \ - lockdep_is_held(l) == LOCK_STATE_NOT_HELD); \ - } while (0) +#define lockdep_assert(cond) \ + do { WARN_ON(debug_locks && !(cond)); } while (0) -#define lockdep_assert_not_held(l) do { \ - WARN_ON(debug_locks && \ - lockdep_is_held(l) == LOCK_STATE_HELD); \ - } while (0) +#define lockdep_assert_once(cond) \ + do { WARN_ON_ONCE(debug_locks && !(cond)); } while (0) -#define lockdep_assert_held_write(l) do { \ - WARN_ON(debug_locks && !lockdep_is_held_type(l, 0)); \ - } while (0) +#define lockdep_assert_held(l) \ + lockdep_assert(lockdep_is_held(l) != LOCK_STATE_NOT_HELD) -#define lockdep_assert_held_read(l) do { \ - WARN_ON(debug_locks && !lockdep_is_held_type(l, 1)); \ - } while (0) +#define lockdep_assert_not_held(l) \ + lockdep_assert(lockdep_is_held(l) != LOCK_STATE_HELD) -#define lockdep_assert_held_once(l) do { \ - WARN_ON_ONCE(debug_locks && !lockdep_is_held(l)); \ - } while (0) +#define lockdep_assert_held_write(l) \ + lockdep_assert(lockdep_is_held_type(l, 0)) -#define lockdep_assert_none_held_once() do { \ - WARN_ON_ONCE(debug_locks && current->lockdep_depth); \ - } while (0) +#define lockdep_assert_held_read(l) \ + lockdep_assert(lockdep_is_held_type(l, 1)) + +#define lockdep_assert_held_once(l) \ + lockdep_assert_once(lockdep_is_held(l) != LOCK_STATE_NOT_HELD) + +#define lockdep_assert_none_held_once() \ + lockdep_assert_once(!current->lockdep_depth) #define lockdep_recursing(tsk) ((tsk)->lockdep_recursion) @@ -407,6 +405,9 @@ extern int lock_is_held(const void *); extern int lockdep_is_held(const void *); #define lockdep_is_held_type(l, r) (1) +#define lockdep_assert(c) do { } while (0) +#define lockdep_assert_once(c) do { } while (0) + #define lockdep_assert_held(l) do { (void)(l); } while (0) #define lockdep_assert_not_held(l) do { (void)(l); } while (0) #define lockdep_assert_held_write(l) do { (void)(l); } while (0) diff --git a/include/linux/lockdep_types.h b/include/linux/lockdep_types.h index 2ec9ff5a7fff..3e726ace5c62 100644 --- a/include/linux/lockdep_types.h +++ b/include/linux/lockdep_types.h @@ -52,7 +52,7 @@ enum lockdep_lock_type { * NR_LOCKDEP_CACHING_CLASSES ... Number of classes * cached in the instance of lockdep_map * - * Currently main class (subclass == 0) and signle depth subclass + * Currently main class (subclass == 0) and single depth subclass * are cached in lockdep_map. This optimization is mainly targeting * on rq->lock. double_rq_lock() acquires this highly competitive with * single depth. diff --git a/include/linux/logic_iomem.h b/include/linux/logic_iomem.h new file mode 100644 index 000000000000..3fa65c964379 --- /dev/null +++ b/include/linux/logic_iomem.h @@ -0,0 +1,62 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2021 Intel Corporation + * Author: johannes@sipsolutions.net + */ +#ifndef __LOGIC_IOMEM_H +#define __LOGIC_IOMEM_H +#include <linux/types.h> +#include <linux/ioport.h> + +/** + * struct logic_iomem_ops - emulated IO memory ops + * @read: read an 8, 16, 32 or 64 bit quantity from the given offset, + * size is given in bytes (1, 2, 4 or 8) + * (64-bit only necessary if CONFIG_64BIT is set) + * @write: write an 8, 16 32 or 64 bit quantity to the given offset, + * size is given in bytes (1, 2, 4 or 8) + * (64-bit only necessary if CONFIG_64BIT is set) + * @set: optional, for memset_io() + * @copy_from: optional, for memcpy_fromio() + * @copy_to: optional, for memcpy_toio() + * @unmap: optional, this region is getting unmapped + */ +struct logic_iomem_ops { + unsigned long (*read)(void *priv, unsigned int offset, int size); + void (*write)(void *priv, unsigned int offset, int size, + unsigned long val); + + void (*set)(void *priv, unsigned int offset, u8 value, int size); + void (*copy_from)(void *priv, void *buffer, unsigned int offset, + int size); + void (*copy_to)(void *priv, unsigned int offset, const void *buffer, + int size); + + void (*unmap)(void *priv); +}; + +/** + * struct logic_iomem_region_ops - ops for an IO memory handler + * @map: map a range in the registered IO memory region, must + * fill *ops with the ops and may fill *priv to be passed + * to the ops. The offset is given as the offset into the + * registered resource region. + * The return value is negative for errors, or >= 0 for + * success. On success, the return value is added to the + * offset for later ops, to allow for partial mappings. + */ +struct logic_iomem_region_ops { + long (*map)(unsigned long offset, size_t size, + const struct logic_iomem_ops **ops, + void **priv); +}; + +/** + * logic_iomem_add_region - register an IO memory region + * @resource: the resource description for this region + * @ops: the IO memory mapping ops for this resource + */ +int logic_iomem_add_region(struct resource *resource, + const struct logic_iomem_region_ops *ops); + +#endif /* __LOGIC_IOMEM_H */ diff --git a/include/linux/lru_cache.h b/include/linux/lru_cache.h index 429d67d815ce..07add7882a5d 100644 --- a/include/linux/lru_cache.h +++ b/include/linux/lru_cache.h @@ -32,7 +32,7 @@ This header file (and its .c file; kernel-doc of functions see there) Because of this later property, it is called "lru_cache". As it actually Tracks Objects in an Active SeT, we could also call it toast (incidentally that is what may happen to the data on the - backend storage uppon next resync, if we don't get it right). + backend storage upon next resync, if we don't get it right). What for? @@ -152,7 +152,7 @@ struct lc_element { * for paranoia, and for "lc_element_to_index" */ unsigned lc_index; /* if we want to track a larger set of objects, - * it needs to become arch independend u64 */ + * it needs to become an architecture independent u64 */ unsigned lc_number; /* special label when on free list */ #define LC_FREE (~0U) @@ -263,7 +263,7 @@ extern void lc_seq_dump_details(struct seq_file *seq, struct lru_cache *lc, char * * Allows (expects) the set to be "dirty". Note that the reference counts and * order on the active and lru lists may still change. Used to serialize - * changing transactions. Returns true if we aquired the lock. + * changing transactions. Returns true if we acquired the lock. */ static inline int lc_try_lock_for_transaction(struct lru_cache *lc) { @@ -275,7 +275,7 @@ static inline int lc_try_lock_for_transaction(struct lru_cache *lc) * @lc: the lru cache to operate on * * Note that the reference counts and order on the active and lru lists may - * still change. Only works on a "clean" set. Returns true if we aquired the + * still change. Only works on a "clean" set. Returns true if we acquired the * lock, which means there are no pending changes, and any further attempt to * change the set will not succeed until the next lc_unlock(). */ diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h index cd23355d2271..17d02eda9538 100644 --- a/include/linux/lsm_audit.h +++ b/include/linux/lsm_audit.h @@ -48,13 +48,13 @@ struct lsm_ioctlop_audit { }; struct lsm_ibpkey_audit { - u64 subnet_prefix; - u16 pkey; + u64 subnet_prefix; + u16 pkey; }; struct lsm_ibendport_audit { - char dev_name[IB_DEVICE_NAME_MAX]; - u8 port; + const char *dev_name; + u8 port; }; /* Auxiliary data to use in generating the audit record. */ diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h index 04c01794de83..2adeea44c0d5 100644 --- a/include/linux/lsm_hook_defs.h +++ b/include/linux/lsm_hook_defs.h @@ -358,8 +358,7 @@ LSM_HOOK(int, 0, xfrm_state_alloc_acquire, struct xfrm_state *x, struct xfrm_sec_ctx *polsec, u32 secid) LSM_HOOK(void, LSM_RET_VOID, xfrm_state_free_security, struct xfrm_state *x) LSM_HOOK(int, 0, xfrm_state_delete_security, struct xfrm_state *x) -LSM_HOOK(int, 0, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid, - u8 dir) +LSM_HOOK(int, 0, xfrm_policy_lookup, struct xfrm_sec_ctx *ctx, u32 fl_secid) LSM_HOOK(int, 1, xfrm_state_pol_flow_match, struct xfrm_state *x, struct xfrm_policy *xp, const struct flowi_common *flic) LSM_HOOK(int, 0, xfrm_decode_session, struct sk_buff *skb, u32 *secid, diff --git a/include/linux/mISDNif.h b/include/linux/mISDNif.h index a7330eb3ec64..7dd1f01ec4f9 100644 --- a/include/linux/mISDNif.h +++ b/include/linux/mISDNif.h @@ -18,7 +18,6 @@ #ifndef mISDNIF_H #define mISDNIF_H -#include <stdarg.h> #include <linux/types.h> #include <linux/errno.h> #include <linux/socket.h> diff --git a/include/linux/mailbox/mtk-cmdq-mailbox.h b/include/linux/mailbox/mtk-cmdq-mailbox.h index d5a983d65f05..44365aab043c 100644 --- a/include/linux/mailbox/mtk-cmdq-mailbox.h +++ b/include/linux/mailbox/mtk-cmdq-mailbox.h @@ -65,14 +65,10 @@ enum cmdq_code { CMDQ_CODE_LOGIC = 0xa0, }; -enum cmdq_cb_status { - CMDQ_CB_NORMAL = 0, - CMDQ_CB_ERROR -}; - struct cmdq_cb_data { - enum cmdq_cb_status sta; + int sta; void *data; + struct cmdq_pkt *pkt; }; typedef void (*cmdq_async_flush_cb)(struct cmdq_cb_data data); diff --git a/include/linux/marvell_phy.h b/include/linux/marvell_phy.h index acee44b9db26..0f06c2287b52 100644 --- a/include/linux/marvell_phy.h +++ b/include/linux/marvell_phy.h @@ -22,14 +22,10 @@ #define MARVELL_PHY_ID_88E1545 0x01410ea0 #define MARVELL_PHY_ID_88E1548P 0x01410ec0 #define MARVELL_PHY_ID_88E3016 0x01410e60 +#define MARVELL_PHY_ID_88X3310 0x002b09a0 #define MARVELL_PHY_ID_88E2110 0x002b09b0 #define MARVELL_PHY_ID_88X2222 0x01410f10 -/* PHY IDs and mask for Alaska 10G PHYs */ -#define MARVELL_PHY_ID_88X33X0_MASK 0xfffffff8 -#define MARVELL_PHY_ID_88X3310 0x002b09a0 -#define MARVELL_PHY_ID_88X3340 0x002b09a8 - /* Marvel 88E1111 in Finisar SFP module with modified PHY ID */ #define MARVELL_PHY_ID_88E1111_FINISAR 0x01ff0cc0 diff --git a/include/linux/math64.h b/include/linux/math64.h index 66deb1fdc2ef..2928f03d6d46 100644 --- a/include/linux/math64.h +++ b/include/linux/math64.h @@ -3,6 +3,7 @@ #define _LINUX_MATH64_H #include <linux/types.h> +#include <linux/math.h> #include <vdso/math64.h> #include <asm/div64.h> @@ -234,6 +235,24 @@ static inline u64 mul_u64_u64_shr(u64 a, u64 b, unsigned int shift) #endif +#ifndef mul_s64_u64_shr +static inline u64 mul_s64_u64_shr(s64 a, u64 b, unsigned int shift) +{ + u64 ret; + + /* + * Extract the sign before the multiplication and put it back + * afterwards if needed. + */ + ret = mul_u64_u64_shr(abs(a), b, shift); + + if (a < 0) + ret = -((s64) ret); + + return ret; +} +#endif /* mul_s64_u64_shr */ + #ifndef mul_u64_u32_div static inline u64 mul_u64_u32_div(u64 a, u32 mul, u32 divisor) { diff --git a/include/linux/max17040_battery.h b/include/linux/max17040_battery.h deleted file mode 100644 index 593602fc9317..000000000000 --- a/include/linux/max17040_battery.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) 2009 Samsung Electronics - * Minkyu Kang <mk7.kang@samsung.com> - */ - -#ifndef __MAX17040_BATTERY_H_ -#define __MAX17040_BATTERY_H_ - -struct max17040_platform_data { - int (*battery_online)(void); - int (*charger_online)(void); - int (*charger_enable)(void); -}; - -#endif diff --git a/include/linux/mcb.h b/include/linux/mcb.h index 71dd10a3d928..f6efb16f9d1b 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -120,7 +120,7 @@ extern int __must_check __mcb_register_driver(struct mcb_driver *drv, __mcb_register_driver(driver, THIS_MODULE, KBUILD_MODNAME) extern void mcb_unregister_driver(struct mcb_driver *driver); #define module_mcb_driver(__mcb_driver) \ - module_driver(__mcb_driver, mcb_register_driver, mcb_unregister_driver); + module_driver(__mcb_driver, mcb_register_driver, mcb_unregister_driver) extern void mcb_bus_add_devices(const struct mcb_bus *bus); extern int mcb_device_register(struct mcb_bus *bus, struct mcb_device *dev); extern struct mcb_bus *mcb_alloc_bus(struct device *carrier); diff --git a/include/linux/mdev.h b/include/linux/mdev.h index 1fb34ea394ad..68427e8fadeb 100644 --- a/include/linux/mdev.h +++ b/include/linux/mdev.h @@ -55,6 +55,7 @@ struct device *mtype_get_parent_dev(struct mdev_type *mtype); * register the device to mdev module. * * @owner: The module owner. + * @device_driver: Which device driver to probe() on newly created devices * @dev_attr_groups: Attributes of the parent device. * @mdev_attr_groups: Attributes of the mediated device. * @supported_type_groups: Attributes to define supported types. It is mandatory @@ -71,11 +72,6 @@ struct device *mtype_get_parent_dev(struct mdev_type *mtype); * @mdev: mdev_device device structure which is being * destroyed * Returns integer: success (0) or error (< 0) - * @open: Open mediated device. - * @mdev: mediated device. - * Returns integer: success (0) or error (< 0) - * @release: release mediated device - * @mdev: mediated device. * @read: Read emulation callback * @mdev: mediated device structure * @buf: read buffer @@ -103,14 +99,15 @@ struct device *mtype_get_parent_dev(struct mdev_type *mtype); **/ struct mdev_parent_ops { struct module *owner; + struct mdev_driver *device_driver; const struct attribute_group **dev_attr_groups; const struct attribute_group **mdev_attr_groups; struct attribute_group **supported_type_groups; int (*create)(struct mdev_device *mdev); int (*remove)(struct mdev_device *mdev); - int (*open)(struct mdev_device *mdev); - void (*release)(struct mdev_device *mdev); + int (*open_device)(struct mdev_device *mdev); + void (*close_device)(struct mdev_device *mdev); ssize_t (*read)(struct mdev_device *mdev, char __user *buf, size_t count, loff_t *ppos); ssize_t (*write)(struct mdev_device *mdev, const char __user *buf, diff --git a/include/linux/mdio.h b/include/linux/mdio.h index ffb787d5ebde..5e6dc38f418e 100644 --- a/include/linux/mdio.h +++ b/include/linux/mdio.h @@ -80,6 +80,9 @@ struct mdio_driver { /* Clears up any memory if needed */ void (*remove)(struct mdio_device *mdiodev); + + /* Quiesces the device on system shutdown, turns off interrupts etc */ + void (*shutdown)(struct mdio_device *mdiodev); }; static inline struct mdio_driver * diff --git a/include/linux/mei_cl_bus.h b/include/linux/mei_cl_bus.h index 07f5ef8fc456..c6786c12b207 100644 --- a/include/linux/mei_cl_bus.h +++ b/include/linux/mei_cl_bus.h @@ -91,12 +91,13 @@ void mei_cldev_driver_unregister(struct mei_cl_driver *cldrv); mei_cldev_driver_register,\ mei_cldev_driver_unregister) -ssize_t mei_cldev_send(struct mei_cl_device *cldev, u8 *buf, size_t length); +ssize_t mei_cldev_send(struct mei_cl_device *cldev, const u8 *buf, + size_t length); ssize_t mei_cldev_recv(struct mei_cl_device *cldev, u8 *buf, size_t length); ssize_t mei_cldev_recv_nonblock(struct mei_cl_device *cldev, u8 *buf, size_t length); -ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length, - u8 vtag); +ssize_t mei_cldev_send_vtag(struct mei_cl_device *cldev, const u8 *buf, + size_t length, u8 vtag); ssize_t mei_cldev_recv_vtag(struct mei_cl_device *cldev, u8 *buf, size_t length, u8 *vtag); ssize_t mei_cldev_recv_nonblock_vtag(struct mei_cl_device *cldev, u8 *buf, @@ -114,6 +115,6 @@ void mei_cldev_set_drvdata(struct mei_cl_device *cldev, void *data); int mei_cldev_enable(struct mei_cl_device *cldev); int mei_cldev_disable(struct mei_cl_device *cldev); -bool mei_cldev_enabled(struct mei_cl_device *cldev); +bool mei_cldev_enabled(const struct mei_cl_device *cldev); #endif /* _LINUX_MEI_CL_BUS_H */ diff --git a/include/linux/memblock.h b/include/linux/memblock.h index 5984fff3f175..34de69b3b8ba 100644 --- a/include/linux/memblock.h +++ b/include/linux/memblock.h @@ -30,7 +30,9 @@ extern unsigned long long max_possible_pfn; * @MEMBLOCK_NONE: no special request * @MEMBLOCK_HOTPLUG: hotpluggable region * @MEMBLOCK_MIRROR: mirrored region - * @MEMBLOCK_NOMAP: don't add to kernel direct mapping + * @MEMBLOCK_NOMAP: don't add to kernel direct mapping and treat as + * reserved in the memory map; refer to memblock_mark_nomap() description + * for further details */ enum memblock_flags { MEMBLOCK_NONE = 0x0, /* No special request */ @@ -50,7 +52,7 @@ struct memblock_region { phys_addr_t base; phys_addr_t size; enum memblock_flags flags; -#ifdef CONFIG_NEED_MULTIPLE_NODES +#ifdef CONFIG_NUMA int nid; #endif }; @@ -97,8 +99,6 @@ void memblock_discard(void); static inline void memblock_discard(void) {} #endif -phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end, - phys_addr_t size, phys_addr_t align); void memblock_allow_resize(void); int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid); int memblock_add(phys_addr_t base, phys_addr_t size); @@ -118,6 +118,7 @@ int memblock_mark_nomap(phys_addr_t base, phys_addr_t size); int memblock_clear_nomap(phys_addr_t base, phys_addr_t size); void memblock_free_all(void); +void memblock_free_ptr(void *ptr, size_t size); void reset_node_managed_pages(pg_data_t *pgdat); void reset_all_zones_managed_pages(void); @@ -207,7 +208,7 @@ static inline void __next_physmem_range(u64 *idx, struct memblock_type *type, */ #define for_each_mem_range(i, p_start, p_end) \ __for_each_mem_range(i, &memblock.memory, NULL, NUMA_NO_NODE, \ - MEMBLOCK_NONE, p_start, p_end, NULL) + MEMBLOCK_HOTPLUG, p_start, p_end, NULL) /** * for_each_mem_range_rev - reverse iterate through memblock areas from @@ -218,7 +219,7 @@ static inline void __next_physmem_range(u64 *idx, struct memblock_type *type, */ #define for_each_mem_range_rev(i, p_start, p_end) \ __for_each_mem_range_rev(i, &memblock.memory, NULL, NUMA_NO_NODE, \ - MEMBLOCK_NONE, p_start, p_end, NULL) + MEMBLOCK_HOTPLUG, p_start, p_end, NULL) /** * for_each_reserved_mem_range - iterate over all reserved memblock areas @@ -347,7 +348,7 @@ int __init deferred_page_init_max_threads(const struct cpumask *node_cpumask); int memblock_set_node(phys_addr_t base, phys_addr_t size, struct memblock_type *type, int nid); -#ifdef CONFIG_NEED_MULTIPLE_NODES +#ifdef CONFIG_NUMA static inline void memblock_set_region_node(struct memblock_region *r, int nid) { r->nid = nid; @@ -366,7 +367,7 @@ static inline int memblock_get_region_node(const struct memblock_region *r) { return 0; } -#endif /* CONFIG_NEED_MULTIPLE_NODES */ +#endif /* CONFIG_NUMA */ /* Flags for memblock allocation APIs */ #define MEMBLOCK_ALLOC_ANYWHERE (~(phys_addr_t)0) diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index c193be760709..3096c9a0ee01 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -105,14 +105,6 @@ struct mem_cgroup_reclaim_iter { unsigned int generation; }; -struct lruvec_stat { - long count[NR_VM_NODE_STAT_ITEMS]; -}; - -struct batched_lruvec_stat { - s32 count[NR_VM_NODE_STAT_ITEMS]; -}; - /* * Bitmap and deferred work of shrinker::id corresponding to memcg-aware * shrinkers, which have elements charged to this memcg. @@ -123,24 +115,30 @@ struct shrinker_info { unsigned long *map; }; +struct lruvec_stats_percpu { + /* Local (CPU and cgroup) state */ + long state[NR_VM_NODE_STAT_ITEMS]; + + /* Delta calculation for lockless upward propagation */ + long state_prev[NR_VM_NODE_STAT_ITEMS]; +}; + +struct lruvec_stats { + /* Aggregated (CPU and subtree) state */ + long state[NR_VM_NODE_STAT_ITEMS]; + + /* Pending child counts during tree propagation */ + long state_pending[NR_VM_NODE_STAT_ITEMS]; +}; + /* * per-node information in memory controller. */ struct mem_cgroup_per_node { struct lruvec lruvec; - /* - * Legacy local VM stats. This should be struct lruvec_stat and - * cannot be optimized to struct batched_lruvec_stat. Because - * the threshold of the lruvec_stat_cpu can be as big as - * MEMCG_CHARGE_BATCH * PAGE_SIZE. It can fit into s32. But this - * filed has no upper limit. - */ - struct lruvec_stat __percpu *lruvec_stat_local; - - /* Subtree VM stats (batched updates) */ - struct batched_lruvec_stat __percpu *lruvec_stat_cpu; - atomic_long_t lruvec_stat[NR_VM_NODE_STAT_ITEMS]; + struct lruvec_stats_percpu __percpu *lruvec_stats_percpu; + struct lruvec_stats lruvec_stats; unsigned long lru_zone_size[MAX_NR_ZONES][NR_LRU_LISTS]; @@ -192,7 +190,7 @@ enum memcg_kmem_state { struct memcg_padding { char x[0]; } ____cacheline_internodealigned_in_smp; -#define MEMCG_PADDING(name) struct memcg_padding name; +#define MEMCG_PADDING(name) struct memcg_padding name #else #define MEMCG_PADDING(name) #endif @@ -349,8 +347,7 @@ struct mem_cgroup { struct deferred_split deferred_split_queue; #endif - struct mem_cgroup_per_node *nodeinfo[0]; - /* WARNING: nodeinfo must be the last member here */ + struct mem_cgroup_per_node *nodeinfo[]; }; /* @@ -596,13 +593,6 @@ static inline struct obj_cgroup **page_objcgs_check(struct page *page) } #endif -static __always_inline bool memcg_stat_item_in_bytes(int idx) -{ - if (idx == MEMCG_PERCPU_B) - return true; - return vmstat_item_in_bytes(idx); -} - static inline bool mem_cgroup_is_root(struct mem_cgroup *memcg) { return (memcg == root_mem_cgroup); @@ -613,12 +603,15 @@ static inline bool mem_cgroup_disabled(void) return !cgroup_subsys_enabled(memory_cgrp_subsys); } -static inline unsigned long mem_cgroup_protection(struct mem_cgroup *root, - struct mem_cgroup *memcg, - bool in_low_reclaim) +static inline void mem_cgroup_protection(struct mem_cgroup *root, + struct mem_cgroup *memcg, + unsigned long *min, + unsigned long *low) { + *min = *low = 0; + if (mem_cgroup_disabled()) - return 0; + return; /* * There is no reclaim protection applied to a targeted reclaim. @@ -654,13 +647,10 @@ static inline unsigned long mem_cgroup_protection(struct mem_cgroup *root, * */ if (root == memcg) - return 0; - - if (in_low_reclaim) - return READ_ONCE(memcg->memory.emin); + return; - return max(READ_ONCE(memcg->memory.emin), - READ_ONCE(memcg->memory.elow)); + *min = READ_ONCE(memcg->memory.emin); + *low = READ_ONCE(memcg->memory.elow); } void mem_cgroup_calculate_protection(struct mem_cgroup *root, @@ -694,13 +684,35 @@ static inline bool mem_cgroup_below_min(struct mem_cgroup *memcg) page_counter_read(&memcg->memory); } -int mem_cgroup_charge(struct page *page, struct mm_struct *mm, gfp_t gfp_mask); +int __mem_cgroup_charge(struct page *page, struct mm_struct *mm, + gfp_t gfp_mask); +static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm, + gfp_t gfp_mask) +{ + if (mem_cgroup_disabled()) + return 0; + return __mem_cgroup_charge(page, mm, gfp_mask); +} + int mem_cgroup_swapin_charge_page(struct page *page, struct mm_struct *mm, gfp_t gfp, swp_entry_t entry); void mem_cgroup_swapin_uncharge_swap(swp_entry_t entry); -void mem_cgroup_uncharge(struct page *page); -void mem_cgroup_uncharge_list(struct list_head *page_list); +void __mem_cgroup_uncharge(struct page *page); +static inline void mem_cgroup_uncharge(struct page *page) +{ + if (mem_cgroup_disabled()) + return; + __mem_cgroup_uncharge(page); +} + +void __mem_cgroup_uncharge_list(struct list_head *page_list); +static inline void mem_cgroup_uncharge_list(struct list_head *page_list) +{ + if (mem_cgroup_disabled()) + return; + __mem_cgroup_uncharge_list(page_list); +} void mem_cgroup_migrate(struct page *oldpage, struct page *newpage); @@ -743,35 +755,18 @@ out: /** * mem_cgroup_page_lruvec - return lruvec for isolating/putting an LRU page * @page: the page - * @pgdat: pgdat of the page * * This function relies on page->mem_cgroup being stable. */ -static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page, - struct pglist_data *pgdat) +static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page) { + pg_data_t *pgdat = page_pgdat(page); struct mem_cgroup *memcg = page_memcg(page); VM_WARN_ON_ONCE_PAGE(!memcg && !mem_cgroup_disabled(), page); return mem_cgroup_lruvec(memcg, pgdat); } -static inline bool lruvec_holds_page_lru_lock(struct page *page, - struct lruvec *lruvec) -{ - pg_data_t *pgdat = page_pgdat(page); - const struct mem_cgroup *memcg; - struct mem_cgroup_per_node *mz; - - if (mem_cgroup_disabled()) - return lruvec == &pgdat->__lruvec; - - mz = container_of(lruvec, struct mem_cgroup_per_node, lruvec); - memcg = page_memcg(page) ? : root_mem_cgroup; - - return lruvec->pgdat == pgdat && mz->memcg == memcg; -} - struct mem_cgroup *mem_cgroup_from_task(struct task_struct *p); struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm); @@ -902,11 +897,6 @@ static inline bool mem_cgroup_online(struct mem_cgroup *memcg) return !!(memcg->css.flags & CSS_ONLINE); } -/* - * For memory reclaim. - */ -int mem_cgroup_select_victim_node(struct mem_cgroup *memcg); - void mem_cgroup_update_lru_size(struct lruvec *lruvec, enum lru_list lru, int zid, int nr_pages); @@ -973,22 +963,21 @@ static inline void mod_memcg_state(struct mem_cgroup *memcg, local_irq_restore(flags); } +static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) +{ + return READ_ONCE(memcg->vmstats.state[idx]); +} + static inline unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx) { struct mem_cgroup_per_node *pn; - long x; if (mem_cgroup_disabled()) return node_page_state(lruvec_pgdat(lruvec), idx); pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); - x = atomic_long_read(&pn->lruvec_stat[idx]); -#ifdef CONFIG_SMP - if (x < 0) - x = 0; -#endif - return x; + return READ_ONCE(pn->lruvec_stats.state[idx]); } static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, @@ -1003,7 +992,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, pn = container_of(lruvec, struct mem_cgroup_per_node, lruvec); for_each_possible_cpu(cpu) - x += per_cpu(pn->lruvec_stat_local->count[idx], cpu); + x += per_cpu(pn->lruvec_stats_percpu->state[idx], cpu); #ifdef CONFIG_SMP if (x < 0) x = 0; @@ -1011,6 +1000,8 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, return x; } +void mem_cgroup_flush_stats(void); + void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, int val); void __mod_lruvec_kmem_state(void *p, enum node_stat_item idx, int val); @@ -1165,11 +1156,12 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm, { } -static inline unsigned long mem_cgroup_protection(struct mem_cgroup *root, - struct mem_cgroup *memcg, - bool in_low_reclaim) +static inline void mem_cgroup_protection(struct mem_cgroup *root, + struct mem_cgroup *memcg, + unsigned long *min, + unsigned long *low) { - return 0; + *min = *low = 0; } static inline void mem_cgroup_calculate_protection(struct mem_cgroup *root, @@ -1221,18 +1213,11 @@ static inline struct lruvec *mem_cgroup_lruvec(struct mem_cgroup *memcg, return &pgdat->__lruvec; } -static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page, - struct pglist_data *pgdat) -{ - return &pgdat->__lruvec; -} - -static inline bool lruvec_holds_page_lru_lock(struct page *page, - struct lruvec *lruvec) +static inline struct lruvec *mem_cgroup_page_lruvec(struct page *page) { pg_data_t *pgdat = page_pgdat(page); - return lruvec == &pgdat->__lruvec; + return &pgdat->__lruvec; } static inline void lruvec_memcg_debug(struct lruvec *lruvec, struct page *page) @@ -1255,6 +1240,12 @@ static inline struct mem_cgroup *get_mem_cgroup_from_mm(struct mm_struct *mm) return NULL; } +static inline +struct mem_cgroup *mem_cgroup_from_css(struct cgroup_subsys_state *css) +{ + return NULL; +} + static inline void mem_cgroup_put(struct mem_cgroup *memcg) { } @@ -1409,6 +1400,11 @@ static inline void mod_memcg_state(struct mem_cgroup *memcg, { } +static inline unsigned long memcg_page_state(struct mem_cgroup *memcg, int idx) +{ + return 0; +} + static inline unsigned long lruvec_page_state(struct lruvec *lruvec, enum node_stat_item idx) { @@ -1421,6 +1417,10 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec, return node_page_state(lruvec_pgdat(lruvec), idx); } +static inline void mem_cgroup_flush_stats(void) +{ +} + static inline void __mod_memcg_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx, int val) { @@ -1516,12 +1516,19 @@ static inline void unlock_page_lruvec_irqrestore(struct lruvec *lruvec, spin_unlock_irqrestore(&lruvec->lru_lock, flags); } +/* Test requires a stable page->memcg binding, see page_memcg() */ +static inline bool page_matches_lruvec(struct page *page, struct lruvec *lruvec) +{ + return lruvec_pgdat(lruvec) == page_pgdat(page) && + lruvec_memcg(lruvec) == page_memcg(page); +} + /* Don't lock again iff page's lruvec locked */ static inline struct lruvec *relock_page_lruvec_irq(struct page *page, struct lruvec *locked_lruvec) { if (locked_lruvec) { - if (lruvec_holds_page_lru_lock(page, locked_lruvec)) + if (page_matches_lruvec(page, locked_lruvec)) return locked_lruvec; unlock_page_lruvec_irq(locked_lruvec); @@ -1535,7 +1542,7 @@ static inline struct lruvec *relock_page_lruvec_irqsave(struct page *page, struct lruvec *locked_lruvec, unsigned long *flags) { if (locked_lruvec) { - if (lruvec_holds_page_lru_lock(page, locked_lruvec)) + if (page_matches_lruvec(page, locked_lruvec)) return locked_lruvec; unlock_page_lruvec_irqrestore(locked_lruvec, *flags); @@ -1593,7 +1600,8 @@ static inline void mem_cgroup_flush_foreign(struct bdi_writeback *wb) #endif /* CONFIG_CGROUP_WRITEBACK */ struct sock; -bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages); +bool mem_cgroup_charge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages, + gfp_t gfp_mask); void mem_cgroup_uncharge_skmem(struct mem_cgroup *memcg, unsigned int nr_pages); #ifdef CONFIG_MEMCG extern struct static_key_false memcg_sockets_enabled_key; @@ -1631,6 +1639,7 @@ static inline void set_shrinker_bit(struct mem_cgroup *memcg, #endif #ifdef CONFIG_MEMCG_KMEM +bool mem_cgroup_kmem_disabled(void); int __memcg_kmem_charge_page(struct page *page, gfp_t gfp, int order); void __memcg_kmem_uncharge_page(struct page *page, int order); @@ -1684,6 +1693,10 @@ static inline int memcg_cache_id(struct mem_cgroup *memcg) struct mem_cgroup *mem_cgroup_from_obj(void *p); #else +static inline bool mem_cgroup_kmem_disabled(void) +{ + return true; +} static inline int memcg_kmem_charge_page(struct page *page, gfp_t gfp, int order) diff --git a/include/linux/memory.h b/include/linux/memory.h index 97e92e8b556a..182c606adb06 100644 --- a/include/linux/memory.h +++ b/include/linux/memory.h @@ -23,6 +23,48 @@ #define MIN_MEMORY_BLOCK_SIZE (1UL << SECTION_SIZE_BITS) +/** + * struct memory_group - a logical group of memory blocks + * @nid: The node id for all memory blocks inside the memory group. + * @blocks: List of all memory blocks belonging to this memory group. + * @present_kernel_pages: Present (online) memory outside ZONE_MOVABLE of this + * memory group. + * @present_movable_pages: Present (online) memory in ZONE_MOVABLE of this + * memory group. + * @is_dynamic: The memory group type: static vs. dynamic + * @s.max_pages: Valid with &memory_group.is_dynamic == false. The maximum + * number of pages we'll have in this static memory group. + * @d.unit_pages: Valid with &memory_group.is_dynamic == true. Unit in pages + * in which memory is added/removed in this dynamic memory group. + * This granularity defines the alignment of a unit in physical + * address space; it has to be at least as big as a single + * memory block. + * + * A memory group logically groups memory blocks; each memory block + * belongs to at most one memory group. A memory group corresponds to + * a memory device, such as a DIMM or a NUMA node, which spans multiple + * memory blocks and might even span multiple non-contiguous physical memory + * ranges. + * + * Modification of members after registration is serialized by memory + * hot(un)plug code. + */ +struct memory_group { + int nid; + struct list_head memory_blocks; + unsigned long present_kernel_pages; + unsigned long present_movable_pages; + bool is_dynamic; + union { + struct { + unsigned long max_pages; + } s; + struct { + unsigned long unit_pages; + } d; + }; +}; + struct memory_block { unsigned long start_section_nr; unsigned long state; /* serialized by the dev->lock */ @@ -34,6 +76,8 @@ struct memory_block { * lay at the beginning of the memory block. */ unsigned long nr_vmemmap_pages; + struct memory_group *group; /* group (if any) for this block */ + struct list_head group_next; /* next block inside memory group */ }; int arch_get_memory_phys_device(unsigned long start_pfn); @@ -86,16 +130,25 @@ static inline int memory_notify(unsigned long val, void *v) extern int register_memory_notifier(struct notifier_block *nb); extern void unregister_memory_notifier(struct notifier_block *nb); int create_memory_block_devices(unsigned long start, unsigned long size, - unsigned long vmemmap_pages); + unsigned long vmemmap_pages, + struct memory_group *group); void remove_memory_block_devices(unsigned long start, unsigned long size); extern void memory_dev_init(void); extern int memory_notify(unsigned long val, void *v); -extern struct memory_block *find_memory_block(struct mem_section *); +extern struct memory_block *find_memory_block(unsigned long section_nr); typedef int (*walk_memory_blocks_func_t)(struct memory_block *, void *); extern int walk_memory_blocks(unsigned long start, unsigned long size, void *arg, walk_memory_blocks_func_t func); extern int for_each_memory_block(void *arg, walk_memory_blocks_func_t func); #define CONFIG_MEM_BLOCK_SIZE (PAGES_PER_SECTION<<PAGE_SHIFT) + +extern int memory_group_register_static(int nid, unsigned long max_pages); +extern int memory_group_register_dynamic(int nid, unsigned long unit_pages); +extern int memory_group_unregister(int mgid); +struct memory_group *memory_group_find_by_id(int mgid); +typedef int (*walk_memory_groups_func_t)(struct memory_group *, void *); +int walk_dynamic_memory_groups(int nid, walk_memory_groups_func_t func, + struct memory_group *excluded, void *arg); #endif /* CONFIG_MEMORY_HOTPLUG_SPARSE */ #ifdef CONFIG_MEMORY_HOTPLUG @@ -107,7 +160,10 @@ extern int for_each_memory_block(void *arg, walk_memory_blocks_func_t func); #define register_hotmemory_notifier(nb) register_memory_notifier(nb) #define unregister_hotmemory_notifier(nb) unregister_memory_notifier(nb) #else -#define hotplug_memory_notifier(fn, pri) ({ 0; }) +static inline int hotplug_memory_notifier(notifier_fn_t fn, int pri) +{ + return 0; +} /* These aren't inline functions due to a GCC bug. */ #define register_hotmemory_notifier(nb) ({ (void)(nb); 0; }) #define unregister_hotmemory_notifier(nb) ({ (void)(nb); }) diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index 28f32fd00fe9..e5a867c950b2 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -12,24 +12,13 @@ struct zone; struct pglist_data; struct mem_section; struct memory_block; +struct memory_group; struct resource; struct vmem_altmap; #ifdef CONFIG_MEMORY_HOTPLUG struct page *pfn_to_online_page(unsigned long pfn); -/* - * Types for free bootmem stored in page->lru.next. These have to be in - * some random range in unsigned long space for debugging purposes. - */ -enum { - MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE = 12, - SECTION_INFO = MEMORY_HOTPLUG_MIN_BOOTMEM_TYPE, - MIX_SECTION_INFO, - NODE_INFO, - MEMORY_HOTPLUG_MAX_BOOTMEM_TYPE = NODE_INFO, -}; - /* Types for control the zone type of onlined and offlined memory */ enum { /* Offline the memory. */ @@ -62,6 +51,11 @@ typedef int __bitwise mhp_t; * Only selected architectures support it with SPARSE_VMEMMAP. */ #define MHP_MEMMAP_ON_MEMORY ((__force mhp_t)BIT(1)) +/* + * The nid field specifies a memory group id (mgid) instead. The memory group + * implies the node id (nid). + */ +#define MHP_NID_IS_MGID ((__force mhp_t)BIT(2)) /* * Extended parameters for memory hotplug: @@ -107,13 +101,15 @@ static inline void zone_seqlock_init(struct zone *zone) extern int zone_grow_free_lists(struct zone *zone, unsigned long new_nr_pages); extern int zone_grow_waitqueues(struct zone *zone, unsigned long nr_pages); extern int add_one_highpage(struct page *page, int pfn, int bad_ppro); -extern void adjust_present_page_count(struct zone *zone, long nr_pages); +extern void adjust_present_page_count(struct page *page, + struct memory_group *group, + long nr_pages); /* VM interface that may be used by firmware interface */ extern int mhp_init_memmap_on_memory(unsigned long pfn, unsigned long nr_pages, struct zone *zone); extern void mhp_deinit_memmap_on_memory(unsigned long pfn, unsigned long nr_pages); extern int online_pages(unsigned long pfn, unsigned long nr_pages, - struct zone *zone); + struct zone *zone, struct memory_group *group); extern struct zone *test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn); extern void __offline_isolated_pages(unsigned long start_pfn, @@ -142,8 +138,7 @@ static inline bool movable_node_is_enabled(void) return movable_node_enabled; } -extern void arch_remove_memory(int nid, u64 start, u64 size, - struct vmem_altmap *altmap); +extern void arch_remove_memory(u64 start, u64 size, struct vmem_altmap *altmap); extern void __remove_pages(unsigned long start_pfn, unsigned long nr_pages, struct vmem_altmap *altmap); @@ -222,17 +217,6 @@ static inline void arch_refresh_nodedata(int nid, pg_data_t *pgdat) #endif /* CONFIG_NUMA */ #endif /* CONFIG_HAVE_ARCH_NODEDATA_EXTENSION */ -#ifdef CONFIG_HAVE_BOOTMEM_INFO_NODE -extern void __init register_page_bootmem_info_node(struct pglist_data *pgdat); -#else -static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) -{ -} -#endif -extern void put_page_bootmem(struct page *page); -extern void get_page_bootmem(unsigned long ingo, struct page *page, - unsigned long type); - void get_online_mems(void); void put_online_mems(void); @@ -260,10 +244,6 @@ static inline void zone_span_writelock(struct zone *zone) {} static inline void zone_span_writeunlock(struct zone *zone) {} static inline void zone_seqlock_init(struct zone *zone) {} -static inline void register_page_bootmem_info_node(struct pglist_data *pgdat) -{ -} - static inline int try_online_node(int nid) { return 0; @@ -319,25 +299,27 @@ static inline void pgdat_resize_init(struct pglist_data *pgdat) {} #ifdef CONFIG_MEMORY_HOTREMOVE extern void try_offline_node(int nid); -extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages); -extern int remove_memory(int nid, u64 start, u64 size); -extern void __remove_memory(int nid, u64 start, u64 size); -extern int offline_and_remove_memory(int nid, u64 start, u64 size); +extern int offline_pages(unsigned long start_pfn, unsigned long nr_pages, + struct memory_group *group); +extern int remove_memory(u64 start, u64 size); +extern void __remove_memory(u64 start, u64 size); +extern int offline_and_remove_memory(u64 start, u64 size); #else static inline void try_offline_node(int nid) {} -static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages) +static inline int offline_pages(unsigned long start_pfn, unsigned long nr_pages, + struct memory_group *group) { return -EINVAL; } -static inline int remove_memory(int nid, u64 start, u64 size) +static inline int remove_memory(u64 start, u64 size) { return -EBUSY; } -static inline void __remove_memory(int nid, u64 start, u64 size) {} +static inline void __remove_memory(u64 start, u64 size) {} #endif /* CONFIG_MEMORY_HOTREMOVE */ extern void set_zone_contiguous(struct zone *zone); @@ -366,7 +348,8 @@ extern void sparse_remove_section(struct mem_section *ms, unsigned long map_offset, struct vmem_altmap *altmap); extern struct page *sparse_decode_mem_map(unsigned long coded_mem_map, unsigned long pnum); -extern struct zone *zone_for_pfn_range(int online_type, int nid, unsigned start_pfn, +extern struct zone *zone_for_pfn_range(int online_type, int nid, + struct memory_group *group, unsigned long start_pfn, unsigned long nr_pages); extern int arch_create_linear_mapping(int nid, u64 start, u64 size, struct mhp_params *params); diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 5f1c74df264d..4091692bed8c 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -46,11 +46,8 @@ struct mempolicy { atomic_t refcnt; unsigned short mode; /* See MPOL_* above */ unsigned short flags; /* See set_mempolicy() MPOL_F_* above */ - union { - short preferred_node; /* preferred */ - nodemask_t nodes; /* interleave/bind */ - /* undefined for default */ - } v; + nodemask_t nodes; /* interleave/bind/perfer */ + union { nodemask_t cpuset_mems_allowed; /* relative to these nodes */ nodemask_t user_nodemask; /* nodemask passed by user */ @@ -150,7 +147,7 @@ extern int huge_node(struct vm_area_struct *vma, unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol, nodemask_t **nodemask); extern bool init_nodemask_of_mempolicy(nodemask_t *mask); -extern bool mempolicy_nodemask_intersects(struct task_struct *tsk, +extern bool mempolicy_in_oom_domain(struct task_struct *tsk, const nodemask_t *mask); extern nodemask_t *policy_nodemask(gfp_t gfp, struct mempolicy *policy); @@ -187,6 +184,14 @@ extern bool vma_migratable(struct vm_area_struct *vma); extern int mpol_misplaced(struct page *, struct vm_area_struct *, unsigned long); extern void mpol_put_task_policy(struct task_struct *); +extern bool numa_demotion_enabled; + +static inline bool mpol_is_preferred_many(struct mempolicy *pol) +{ + return (pol->mode == MPOL_PREFERRED_MANY); +} + + #else struct mempolicy {}; @@ -295,5 +300,13 @@ static inline nodemask_t *policy_nodemask_current(gfp_t gfp) { return NULL; } + +#define numa_demotion_enabled false + +static inline bool mpol_is_preferred_many(struct mempolicy *pol) +{ + return false; +} + #endif /* CONFIG_NUMA */ #endif diff --git a/include/linux/memremap.h b/include/linux/memremap.h index 45a79da89c5f..c0e9d35889e8 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -26,7 +26,7 @@ struct vmem_altmap { }; /* - * Specialize ZONE_DEVICE memory into multiple types each having differents + * Specialize ZONE_DEVICE memory into multiple types each has a different * usage. * * MEMORY_DEVICE_PRIVATE: diff --git a/include/linux/mfd/dbx500-prcmu.h b/include/linux/mfd/dbx500-prcmu.h index e6ee2ec35de9..cbf9d7619493 100644 --- a/include/linux/mfd/dbx500-prcmu.h +++ b/include/linux/mfd/dbx500-prcmu.h @@ -186,10 +186,11 @@ enum ddr_pwrst { #define PRCMU_FW_PROJECT_U8500_C3 8 #define PRCMU_FW_PROJECT_U8500_C4 9 #define PRCMU_FW_PROJECT_U9500_MBL 10 -#define PRCMU_FW_PROJECT_U8500_MBL 11 /* Customer specific */ +#define PRCMU_FW_PROJECT_U8500_SSG1 11 /* Samsung specific */ #define PRCMU_FW_PROJECT_U8500_MBL2 12 /* Customer specific */ #define PRCMU_FW_PROJECT_U8520 13 #define PRCMU_FW_PROJECT_U8420 14 +#define PRCMU_FW_PROJECT_U8500_SSG2 15 /* Samsung specific */ #define PRCMU_FW_PROJECT_U8420_SYSCLK 17 #define PRCMU_FW_PROJECT_A9420 20 /* [32..63] 9540 and derivatives */ diff --git a/include/linux/mfd/hi6421-spmi-pmic.h b/include/linux/mfd/hi6421-spmi-pmic.h index 2660226138b8..e5b8dbf828b6 100644 --- a/include/linux/mfd/hi6421-spmi-pmic.h +++ b/include/linux/mfd/hi6421-spmi-pmic.h @@ -19,11 +19,6 @@ struct hi6421_spmi_pmic { struct resource *res; struct device *dev; void __iomem *regs; - spinlock_t lock; - struct irq_domain *domain; - int irq; - int gpio; - unsigned int *irqs; struct regmap *regmap; }; diff --git a/include/linux/mfd/hi655x-pmic.h b/include/linux/mfd/hi655x-pmic.h index b06171322178..af5d97239c0d 100644 --- a/include/linux/mfd/hi655x-pmic.h +++ b/include/linux/mfd/hi655x-pmic.h @@ -2,7 +2,7 @@ /* * Device driver for regulators in hi655x IC * - * Copyright (c) 2016 Hisilicon. + * Copyright (c) 2016 HiSilicon Ltd. * * Authors: * Chen Feng <puck.chen@hisilicon.com> diff --git a/include/linux/mfd/idt82p33_reg.h b/include/linux/mfd/idt82p33_reg.h new file mode 100644 index 000000000000..129a6c078221 --- /dev/null +++ b/include/linux/mfd/idt82p33_reg.h @@ -0,0 +1,112 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Register Map - Based on AN888_SMUforIEEE_SynchEther_82P33xxx_RevH.pdf + * + * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company. + */ +#ifndef HAVE_IDT82P33_REG +#define HAVE_IDT82P33_REG + +/* Register address */ +#define DPLL1_TOD_CNFG 0x134 +#define DPLL2_TOD_CNFG 0x1B4 + +#define DPLL1_TOD_STS 0x10B +#define DPLL2_TOD_STS 0x18B + +#define DPLL1_TOD_TRIGGER 0x115 +#define DPLL2_TOD_TRIGGER 0x195 + +#define DPLL1_OPERATING_MODE_CNFG 0x120 +#define DPLL2_OPERATING_MODE_CNFG 0x1A0 + +#define DPLL1_HOLDOVER_FREQ_CNFG 0x12C +#define DPLL2_HOLDOVER_FREQ_CNFG 0x1AC + +#define DPLL1_PHASE_OFFSET_CNFG 0x143 +#define DPLL2_PHASE_OFFSET_CNFG 0x1C3 + +#define DPLL1_SYNC_EDGE_CNFG 0x140 +#define DPLL2_SYNC_EDGE_CNFG 0x1C0 + +#define DPLL1_INPUT_MODE_CNFG 0x116 +#define DPLL2_INPUT_MODE_CNFG 0x196 + +#define DPLL1_OPERATING_STS 0x102 +#define DPLL2_OPERATING_STS 0x182 + +#define DPLL1_CURRENT_FREQ_STS 0x103 +#define DPLL2_CURRENT_FREQ_STS 0x183 + +#define REG_SOFT_RESET 0X381 + +#define OUT_MUX_CNFG(outn) REG_ADDR(0x6, (0xC * (outn))) + +/* Register bit definitions */ +#define SYNC_TOD BIT(1) +#define PH_OFFSET_EN BIT(7) +#define SQUELCH_ENABLE BIT(5) + +/* Bit definitions for the DPLL_MODE register */ +#define PLL_MODE_SHIFT (0) +#define PLL_MODE_MASK (0x1F) +#define COMBO_MODE_EN BIT(5) +#define COMBO_MODE_SHIFT (6) +#define COMBO_MODE_MASK (0x3) + +/* Bit definitions for DPLL_OPERATING_STS register */ +#define OPERATING_STS_MASK (0x7) +#define OPERATING_STS_SHIFT (0x0) + +/* Bit definitions for DPLL_TOD_TRIGGER register */ +#define READ_TRIGGER_MASK (0xF) +#define READ_TRIGGER_SHIFT (0x0) +#define WRITE_TRIGGER_MASK (0xF0) +#define WRITE_TRIGGER_SHIFT (0x4) + +/* Bit definitions for REG_SOFT_RESET register */ +#define SOFT_RESET_EN BIT(7) + +enum pll_mode { + PLL_MODE_MIN = 0, + PLL_MODE_AUTOMATIC = PLL_MODE_MIN, + PLL_MODE_FORCE_FREERUN = 1, + PLL_MODE_FORCE_HOLDOVER = 2, + PLL_MODE_FORCE_LOCKED = 4, + PLL_MODE_FORCE_PRE_LOCKED2 = 5, + PLL_MODE_FORCE_PRE_LOCKED = 6, + PLL_MODE_FORCE_LOST_PHASE = 7, + PLL_MODE_DCO = 10, + PLL_MODE_WPH = 18, + PLL_MODE_MAX = PLL_MODE_WPH, +}; + +enum hw_tod_trig_sel { + HW_TOD_TRIG_SEL_MIN = 0, + HW_TOD_TRIG_SEL_NO_WRITE = HW_TOD_TRIG_SEL_MIN, + HW_TOD_TRIG_SEL_NO_READ = HW_TOD_TRIG_SEL_MIN, + HW_TOD_TRIG_SEL_SYNC_SEL = 1, + HW_TOD_TRIG_SEL_IN12 = 2, + HW_TOD_TRIG_SEL_IN13 = 3, + HW_TOD_TRIG_SEL_IN14 = 4, + HW_TOD_TRIG_SEL_TOD_PPS = 5, + HW_TOD_TRIG_SEL_TIMER_INTERVAL = 6, + HW_TOD_TRIG_SEL_MSB_PHASE_OFFSET_CNFG = 7, + HW_TOD_TRIG_SEL_MSB_HOLDOVER_FREQ_CNFG = 8, + HW_TOD_WR_TRIG_SEL_MSB_TOD_CNFG = 9, + HW_TOD_RD_TRIG_SEL_LSB_TOD_STS = HW_TOD_WR_TRIG_SEL_MSB_TOD_CNFG, + WR_TRIG_SEL_MAX = HW_TOD_WR_TRIG_SEL_MSB_TOD_CNFG, +}; + +/** @brief Enumerated type listing DPLL operational modes */ +enum dpll_state { + DPLL_STATE_FREERUN = 1, + DPLL_STATE_HOLDOVER = 2, + DPLL_STATE_LOCKED = 4, + DPLL_STATE_PRELOCKED2 = 5, + DPLL_STATE_PRELOCKED = 6, + DPLL_STATE_LOSTPHASE = 7, + DPLL_STATE_MAX +}; + +#endif diff --git a/include/linux/mfd/idt8a340_reg.h b/include/linux/mfd/idt8a340_reg.h new file mode 100644 index 000000000000..92d763230bdf --- /dev/null +++ b/include/linux/mfd/idt8a340_reg.h @@ -0,0 +1,729 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Based on 5.2.0, Family Programming Guide (Sept 30, 2020) + * + * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company. + */ +#ifndef HAVE_IDT8A340_REG +#define HAVE_IDT8A340_REG + +#define PAGE_ADDR_BASE 0x0000 +#define PAGE_ADDR 0x00fc + +#define HW_REVISION 0x8180 +#define REV_ID 0x007a + +#define HW_DPLL_0 (0x8a00) +#define HW_DPLL_1 (0x8b00) +#define HW_DPLL_2 (0x8c00) +#define HW_DPLL_3 (0x8d00) +#define HW_DPLL_4 (0x8e00) +#define HW_DPLL_5 (0x8f00) +#define HW_DPLL_6 (0x9000) +#define HW_DPLL_7 (0x9100) + +#define HW_DPLL_TOD_SW_TRIG_ADDR__0 (0x080) +#define HW_DPLL_TOD_CTRL_1 (0x089) +#define HW_DPLL_TOD_CTRL_2 (0x08A) +#define HW_DPLL_TOD_OVR__0 (0x098) +#define HW_DPLL_TOD_OUT_0__0 (0x0B0) + +#define HW_Q0_Q1_CH_SYNC_CTRL_0 (0xa740) +#define HW_Q0_Q1_CH_SYNC_CTRL_1 (0xa741) +#define HW_Q2_Q3_CH_SYNC_CTRL_0 (0xa742) +#define HW_Q2_Q3_CH_SYNC_CTRL_1 (0xa743) +#define HW_Q4_Q5_CH_SYNC_CTRL_0 (0xa744) +#define HW_Q4_Q5_CH_SYNC_CTRL_1 (0xa745) +#define HW_Q6_Q7_CH_SYNC_CTRL_0 (0xa746) +#define HW_Q6_Q7_CH_SYNC_CTRL_1 (0xa747) +#define HW_Q8_CH_SYNC_CTRL_0 (0xa748) +#define HW_Q8_CH_SYNC_CTRL_1 (0xa749) +#define HW_Q9_CH_SYNC_CTRL_0 (0xa74a) +#define HW_Q9_CH_SYNC_CTRL_1 (0xa74b) +#define HW_Q10_CH_SYNC_CTRL_0 (0xa74c) +#define HW_Q10_CH_SYNC_CTRL_1 (0xa74d) +#define HW_Q11_CH_SYNC_CTRL_0 (0xa74e) +#define HW_Q11_CH_SYNC_CTRL_1 (0xa74f) + +#define SYNC_SOURCE_DPLL0_TOD_PPS 0x14 +#define SYNC_SOURCE_DPLL1_TOD_PPS 0x15 +#define SYNC_SOURCE_DPLL2_TOD_PPS 0x16 +#define SYNC_SOURCE_DPLL3_TOD_PPS 0x17 + +#define SYNCTRL1_MASTER_SYNC_RST BIT(7) +#define SYNCTRL1_MASTER_SYNC_TRIG BIT(5) +#define SYNCTRL1_TOD_SYNC_TRIG BIT(4) +#define SYNCTRL1_FBDIV_FRAME_SYNC_TRIG BIT(3) +#define SYNCTRL1_FBDIV_SYNC_TRIG BIT(2) +#define SYNCTRL1_Q1_DIV_SYNC_TRIG BIT(1) +#define SYNCTRL1_Q0_DIV_SYNC_TRIG BIT(0) + +#define HW_Q8_CTRL_SPARE (0xa7d4) +#define HW_Q11_CTRL_SPARE (0xa7ec) + +/** + * Select FOD5 as sync_trigger for Q8 divider. + * Transition from logic zero to one + * sets trigger to sync Q8 divider. + * + * Unused when FOD4 is driving Q8 divider (normal operation). + */ +#define Q9_TO_Q8_SYNC_TRIG BIT(1) + +/** + * Enable FOD5 as driver for clock and sync for Q8 divider. + * Enable fanout buffer for FOD5. + * + * Unused when FOD4 is driving Q8 divider (normal operation). + */ +#define Q9_TO_Q8_FANOUT_AND_CLOCK_SYNC_ENABLE_MASK (BIT(0) | BIT(2)) + +/** + * Select FOD6 as sync_trigger for Q11 divider. + * Transition from logic zero to one + * sets trigger to sync Q11 divider. + * + * Unused when FOD7 is driving Q11 divider (normal operation). + */ +#define Q10_TO_Q11_SYNC_TRIG BIT(1) + +/** + * Enable FOD6 as driver for clock and sync for Q11 divider. + * Enable fanout buffer for FOD6. + * + * Unused when FOD7 is driving Q11 divider (normal operation). + */ +#define Q10_TO_Q11_FANOUT_AND_CLOCK_SYNC_ENABLE_MASK (BIT(0) | BIT(2)) + +#define RESET_CTRL 0xc000 +#define SM_RESET 0x0012 +#define SM_RESET_V520 0x0013 +#define SM_RESET_CMD 0x5A + +#define GENERAL_STATUS 0xc014 +#define BOOT_STATUS 0x0000 +#define HW_REV_ID 0x000A +#define BOND_ID 0x000B +#define HW_CSR_ID 0x000C +#define HW_IRQ_ID 0x000E +#define MAJ_REL 0x0010 +#define MIN_REL 0x0011 +#define HOTFIX_REL 0x0012 +#define PIPELINE_ID 0x0014 +#define BUILD_ID 0x0018 +#define JTAG_DEVICE_ID 0x001c +#define PRODUCT_ID 0x001e +#define OTP_SCSR_CONFIG_SELECT 0x0022 + +#define STATUS 0xc03c +#define DPLL0_STATUS 0x0018 +#define DPLL1_STATUS 0x0019 +#define DPLL2_STATUS 0x001a +#define DPLL3_STATUS 0x001b +#define DPLL4_STATUS 0x001c +#define DPLL5_STATUS 0x001d +#define DPLL6_STATUS 0x001e +#define DPLL7_STATUS 0x001f +#define DPLL_SYS_STATUS 0x0020 +#define DPLL_SYS_APLL_STATUS 0x0021 +#define DPLL0_FILTER_STATUS 0x0044 +#define DPLL1_FILTER_STATUS 0x004c +#define DPLL2_FILTER_STATUS 0x0054 +#define DPLL3_FILTER_STATUS 0x005c +#define DPLL4_FILTER_STATUS 0x0064 +#define DPLL5_FILTER_STATUS 0x006c +#define DPLL6_FILTER_STATUS 0x0074 +#define DPLL7_FILTER_STATUS 0x007c +#define DPLLSYS_FILTER_STATUS 0x0084 +#define USER_GPIO0_TO_7_STATUS 0x008a +#define USER_GPIO8_TO_15_STATUS 0x008b + +#define GPIO_USER_CONTROL 0xc160 +#define GPIO0_TO_7_OUT 0x0000 +#define GPIO8_TO_15_OUT 0x0001 +#define GPIO0_TO_7_OUT_V520 0x0002 +#define GPIO8_TO_15_OUT_V520 0x0003 + +#define STICKY_STATUS_CLEAR 0xc164 + +#define GPIO_TOD_NOTIFICATION_CLEAR 0xc16c + +#define ALERT_CFG 0xc188 + +#define SYS_DPLL_XO 0xc194 + +#define SYS_APLL 0xc19c + +#define INPUT_0 0xc1b0 +#define INPUT_1 0xc1c0 +#define INPUT_2 0xc1d0 +#define INPUT_3 0xc200 +#define INPUT_4 0xc210 +#define INPUT_5 0xc220 +#define INPUT_6 0xc230 +#define INPUT_7 0xc240 +#define INPUT_8 0xc250 +#define INPUT_9 0xc260 +#define INPUT_10 0xc280 +#define INPUT_11 0xc290 +#define INPUT_12 0xc2a0 +#define INPUT_13 0xc2b0 +#define INPUT_14 0xc2c0 +#define INPUT_15 0xc2d0 + +#define REF_MON_0 0xc2e0 +#define REF_MON_1 0xc2ec +#define REF_MON_2 0xc300 +#define REF_MON_3 0xc30c +#define REF_MON_4 0xc318 +#define REF_MON_5 0xc324 +#define REF_MON_6 0xc330 +#define REF_MON_7 0xc33c +#define REF_MON_8 0xc348 +#define REF_MON_9 0xc354 +#define REF_MON_10 0xc360 +#define REF_MON_11 0xc36c +#define REF_MON_12 0xc380 +#define REF_MON_13 0xc38c +#define REF_MON_14 0xc398 +#define REF_MON_15 0xc3a4 + +#define DPLL_0 0xc3b0 +#define DPLL_CTRL_REG_0 0x0002 +#define DPLL_CTRL_REG_1 0x0003 +#define DPLL_CTRL_REG_2 0x0004 +#define DPLL_TOD_SYNC_CFG 0x0031 +#define DPLL_COMBO_SLAVE_CFG_0 0x0032 +#define DPLL_COMBO_SLAVE_CFG_1 0x0033 +#define DPLL_SLAVE_REF_CFG 0x0034 +#define DPLL_REF_MODE 0x0035 +#define DPLL_PHASE_MEASUREMENT_CFG 0x0036 +#define DPLL_MODE 0x0037 +#define DPLL_MODE_V520 0x003B +#define DPLL_1 0xc400 +#define DPLL_2 0xc438 +#define DPLL_2_V520 0xc43c +#define DPLL_3 0xc480 +#define DPLL_4 0xc4b8 +#define DPLL_4_V520 0xc4bc +#define DPLL_5 0xc500 +#define DPLL_6 0xc538 +#define DPLL_6_V520 0xc53c +#define DPLL_7 0xc580 +#define SYS_DPLL 0xc5b8 +#define SYS_DPLL_V520 0xc5bc + +#define DPLL_CTRL_0 0xc600 +#define DPLL_CTRL_DPLL_MANU_REF_CFG 0x0001 +#define DPLL_CTRL_DPLL_FOD_FREQ 0x001c +#define DPLL_CTRL_COMBO_MASTER_CFG 0x003a +#define DPLL_CTRL_1 0xc63c +#define DPLL_CTRL_2 0xc680 +#define DPLL_CTRL_3 0xc6bc +#define DPLL_CTRL_4 0xc700 +#define DPLL_CTRL_5 0xc73c +#define DPLL_CTRL_6 0xc780 +#define DPLL_CTRL_7 0xc7bc +#define SYS_DPLL_CTRL 0xc800 + +#define DPLL_PHASE_0 0xc818 +/* Signed 42-bit FFO in units of 2^(-53) */ +#define DPLL_WR_PHASE 0x0000 +#define DPLL_PHASE_1 0xc81c +#define DPLL_PHASE_2 0xc820 +#define DPLL_PHASE_3 0xc824 +#define DPLL_PHASE_4 0xc828 +#define DPLL_PHASE_5 0xc82c +#define DPLL_PHASE_6 0xc830 +#define DPLL_PHASE_7 0xc834 + +#define DPLL_FREQ_0 0xc838 +/* Signed 42-bit FFO in units of 2^(-53) */ +#define DPLL_WR_FREQ 0x0000 +#define DPLL_FREQ_1 0xc840 +#define DPLL_FREQ_2 0xc848 +#define DPLL_FREQ_3 0xc850 +#define DPLL_FREQ_4 0xc858 +#define DPLL_FREQ_5 0xc860 +#define DPLL_FREQ_6 0xc868 +#define DPLL_FREQ_7 0xc870 + +#define DPLL_PHASE_PULL_IN_0 0xc880 +#define PULL_IN_OFFSET 0x0000 /* Signed 32 bit */ +#define PULL_IN_SLOPE_LIMIT 0x0004 /* Unsigned 24 bit */ +#define PULL_IN_CTRL 0x0007 +#define DPLL_PHASE_PULL_IN_1 0xc888 +#define DPLL_PHASE_PULL_IN_2 0xc890 +#define DPLL_PHASE_PULL_IN_3 0xc898 +#define DPLL_PHASE_PULL_IN_4 0xc8a0 +#define DPLL_PHASE_PULL_IN_5 0xc8a8 +#define DPLL_PHASE_PULL_IN_6 0xc8b0 +#define DPLL_PHASE_PULL_IN_7 0xc8b8 + +#define GPIO_CFG 0xc8c0 +#define GPIO_CFG_GBL 0x0000 +#define GPIO_0 0xc8c2 +#define GPIO_DCO_INC_DEC 0x0000 +#define GPIO_OUT_CTRL_0 0x0001 +#define GPIO_OUT_CTRL_1 0x0002 +#define GPIO_TOD_TRIG 0x0003 +#define GPIO_DPLL_INDICATOR 0x0004 +#define GPIO_LOS_INDICATOR 0x0005 +#define GPIO_REF_INPUT_DSQ_0 0x0006 +#define GPIO_REF_INPUT_DSQ_1 0x0007 +#define GPIO_REF_INPUT_DSQ_2 0x0008 +#define GPIO_REF_INPUT_DSQ_3 0x0009 +#define GPIO_MAN_CLK_SEL_0 0x000a +#define GPIO_MAN_CLK_SEL_1 0x000b +#define GPIO_MAN_CLK_SEL_2 0x000c +#define GPIO_SLAVE 0x000d +#define GPIO_ALERT_OUT_CFG 0x000e +#define GPIO_TOD_NOTIFICATION_CFG 0x000f +#define GPIO_CTRL 0x0010 +#define GPIO_CTRL_V520 0x0011 +#define GPIO_1 0xc8d4 +#define GPIO_2 0xc8e6 +#define GPIO_3 0xc900 +#define GPIO_4 0xc912 +#define GPIO_5 0xc924 +#define GPIO_6 0xc936 +#define GPIO_7 0xc948 +#define GPIO_8 0xc95a +#define GPIO_9 0xc980 +#define GPIO_10 0xc992 +#define GPIO_11 0xc9a4 +#define GPIO_12 0xc9b6 +#define GPIO_13 0xc9c8 +#define GPIO_14 0xc9da +#define GPIO_15 0xca00 + +#define OUT_DIV_MUX 0xca12 +#define OUTPUT_0 0xca14 +#define OUTPUT_0_V520 0xca20 +/* FOD frequency output divider value */ +#define OUT_DIV 0x0000 +#define OUT_DUTY_CYCLE_HIGH 0x0004 +#define OUT_CTRL_0 0x0008 +#define OUT_CTRL_1 0x0009 +/* Phase adjustment in FOD cycles */ +#define OUT_PHASE_ADJ 0x000c +#define OUTPUT_1 0xca24 +#define OUTPUT_1_V520 0xca30 +#define OUTPUT_2 0xca34 +#define OUTPUT_2_V520 0xca40 +#define OUTPUT_3 0xca44 +#define OUTPUT_3_V520 0xca50 +#define OUTPUT_4 0xca54 +#define OUTPUT_4_V520 0xca60 +#define OUTPUT_5 0xca64 +#define OUTPUT_5_V520 0xca80 +#define OUTPUT_6 0xca80 +#define OUTPUT_6_V520 0xca90 +#define OUTPUT_7 0xca90 +#define OUTPUT_7_V520 0xcaa0 +#define OUTPUT_8 0xcaa0 +#define OUTPUT_8_V520 0xcab0 +#define OUTPUT_9 0xcab0 +#define OUTPUT_9_V520 0xcac0 +#define OUTPUT_10 0xcac0 +#define OUTPUT_10_V520 0xcad0 +#define OUTPUT_11 0xcad0 +#define OUTPUT_11_V520 0xcae0 + +#define SERIAL 0xcae0 +#define SERIAL_V520 0xcaf0 + +#define PWM_ENCODER_0 0xcb00 +#define PWM_ENCODER_1 0xcb08 +#define PWM_ENCODER_2 0xcb10 +#define PWM_ENCODER_3 0xcb18 +#define PWM_ENCODER_4 0xcb20 +#define PWM_ENCODER_5 0xcb28 +#define PWM_ENCODER_6 0xcb30 +#define PWM_ENCODER_7 0xcb38 +#define PWM_DECODER_0 0xcb40 +#define PWM_DECODER_1 0xcb48 +#define PWM_DECODER_1_V520 0xcb4a +#define PWM_DECODER_2 0xcb50 +#define PWM_DECODER_2_V520 0xcb54 +#define PWM_DECODER_3 0xcb58 +#define PWM_DECODER_3_V520 0xcb5e +#define PWM_DECODER_4 0xcb60 +#define PWM_DECODER_4_V520 0xcb68 +#define PWM_DECODER_5 0xcb68 +#define PWM_DECODER_5_V520 0xcb80 +#define PWM_DECODER_6 0xcb70 +#define PWM_DECODER_6_V520 0xcb8a +#define PWM_DECODER_7 0xcb80 +#define PWM_DECODER_7_V520 0xcb94 +#define PWM_DECODER_8 0xcb88 +#define PWM_DECODER_8_V520 0xcb9e +#define PWM_DECODER_9 0xcb90 +#define PWM_DECODER_9_V520 0xcba8 +#define PWM_DECODER_10 0xcb98 +#define PWM_DECODER_10_V520 0xcbb2 +#define PWM_DECODER_11 0xcba0 +#define PWM_DECODER_11_V520 0xcbbc +#define PWM_DECODER_12 0xcba8 +#define PWM_DECODER_12_V520 0xcbc6 +#define PWM_DECODER_13 0xcbb0 +#define PWM_DECODER_13_V520 0xcbd0 +#define PWM_DECODER_14 0xcbb8 +#define PWM_DECODER_14_V520 0xcbda +#define PWM_DECODER_15 0xcbc0 +#define PWM_DECODER_15_V520 0xcbe4 +#define PWM_USER_DATA 0xcbc8 +#define PWM_USER_DATA_V520 0xcbf0 + +#define TOD_0 0xcbcc +#define TOD_0_V520 0xcc00 +/* Enable TOD counter, output channel sync and even-PPS mode */ +#define TOD_CFG 0x0000 +#define TOD_CFG_V520 0x0001 +#define TOD_1 0xcbce +#define TOD_1_V520 0xcc02 +#define TOD_2 0xcbd0 +#define TOD_2_V520 0xcc04 +#define TOD_3 0xcbd2 +#define TOD_3_V520 0xcc06 + +#define TOD_WRITE_0 0xcc00 +#define TOD_WRITE_0_V520 0xcc10 +/* 8-bit subns, 32-bit ns, 48-bit seconds */ +#define TOD_WRITE 0x0000 +/* Counter increments after TOD write is completed */ +#define TOD_WRITE_COUNTER 0x000c +/* TOD write trigger configuration */ +#define TOD_WRITE_SELECT_CFG_0 0x000d +/* TOD write trigger selection */ +#define TOD_WRITE_CMD 0x000f +#define TOD_WRITE_1 0xcc10 +#define TOD_WRITE_1_V520 0xcc20 +#define TOD_WRITE_2 0xcc20 +#define TOD_WRITE_2_V520 0xcc30 +#define TOD_WRITE_3 0xcc30 +#define TOD_WRITE_3_V520 0xcc40 + +#define TOD_READ_PRIMARY_0 0xcc40 +#define TOD_READ_PRIMARY_0_V520 0xcc50 +/* 8-bit subns, 32-bit ns, 48-bit seconds */ +#define TOD_READ_PRIMARY 0x0000 +/* Counter increments after TOD write is completed */ +#define TOD_READ_PRIMARY_COUNTER 0x000b +/* Read trigger configuration */ +#define TOD_READ_PRIMARY_SEL_CFG_0 0x000c +/* Read trigger selection */ +#define TOD_READ_PRIMARY_CMD 0x000e +#define TOD_READ_PRIMARY_CMD_V520 0x000f +#define TOD_READ_PRIMARY_1 0xcc50 +#define TOD_READ_PRIMARY_1_V520 0xcc60 +#define TOD_READ_PRIMARY_2 0xcc60 +#define TOD_READ_PRIMARY_2_V520 0xcc80 +#define TOD_READ_PRIMARY_3 0xcc80 +#define TOD_READ_PRIMARY_3_V520 0xcc90 + +#define TOD_READ_SECONDARY_0 0xcc90 +#define TOD_READ_SECONDARY_0_V520 0xcca0 +#define TOD_READ_SECONDARY_1 0xcca0 +#define TOD_READ_SECONDARY_1_V520 0xccb0 +#define TOD_READ_SECONDARY_2 0xccb0 +#define TOD_READ_SECONDARY_2_V520 0xccc0 +#define TOD_READ_SECONDARY_3 0xccc0 +#define TOD_READ_SECONDARY_3_V520 0xccd0 + +#define OUTPUT_TDC_CFG 0xccd0 +#define OUTPUT_TDC_CFG_V520 0xcce0 +#define OUTPUT_TDC_0 0xcd00 +#define OUTPUT_TDC_1 0xcd08 +#define OUTPUT_TDC_2 0xcd10 +#define OUTPUT_TDC_3 0xcd18 +#define INPUT_TDC 0xcd20 + +#define SCRATCH 0xcf50 +#define SCRATCH_V520 0xcf4c + +#define EEPROM 0xcf68 +#define EEPROM_V520 0xcf64 + +#define OTP 0xcf70 + +#define BYTE 0xcf80 + +/* Bit definitions for the MAJ_REL register */ +#define MAJOR_SHIFT (1) +#define MAJOR_MASK (0x7f) +#define PR_BUILD BIT(0) + +/* Bit definitions for the USER_GPIO0_TO_7_STATUS register */ +#define GPIO0_LEVEL BIT(0) +#define GPIO1_LEVEL BIT(1) +#define GPIO2_LEVEL BIT(2) +#define GPIO3_LEVEL BIT(3) +#define GPIO4_LEVEL BIT(4) +#define GPIO5_LEVEL BIT(5) +#define GPIO6_LEVEL BIT(6) +#define GPIO7_LEVEL BIT(7) + +/* Bit definitions for the USER_GPIO8_TO_15_STATUS register */ +#define GPIO8_LEVEL BIT(0) +#define GPIO9_LEVEL BIT(1) +#define GPIO10_LEVEL BIT(2) +#define GPIO11_LEVEL BIT(3) +#define GPIO12_LEVEL BIT(4) +#define GPIO13_LEVEL BIT(5) +#define GPIO14_LEVEL BIT(6) +#define GPIO15_LEVEL BIT(7) + +/* Bit definitions for the GPIO0_TO_7_OUT register */ +#define GPIO0_DRIVE_LEVEL BIT(0) +#define GPIO1_DRIVE_LEVEL BIT(1) +#define GPIO2_DRIVE_LEVEL BIT(2) +#define GPIO3_DRIVE_LEVEL BIT(3) +#define GPIO4_DRIVE_LEVEL BIT(4) +#define GPIO5_DRIVE_LEVEL BIT(5) +#define GPIO6_DRIVE_LEVEL BIT(6) +#define GPIO7_DRIVE_LEVEL BIT(7) + +/* Bit definitions for the GPIO8_TO_15_OUT register */ +#define GPIO8_DRIVE_LEVEL BIT(0) +#define GPIO9_DRIVE_LEVEL BIT(1) +#define GPIO10_DRIVE_LEVEL BIT(2) +#define GPIO11_DRIVE_LEVEL BIT(3) +#define GPIO12_DRIVE_LEVEL BIT(4) +#define GPIO13_DRIVE_LEVEL BIT(5) +#define GPIO14_DRIVE_LEVEL BIT(6) +#define GPIO15_DRIVE_LEVEL BIT(7) + +/* Bit definitions for the DPLL_TOD_SYNC_CFG register */ +#define TOD_SYNC_SOURCE_SHIFT (1) +#define TOD_SYNC_SOURCE_MASK (0x3) +#define TOD_SYNC_EN BIT(0) + +/* Bit definitions for the DPLL_MODE register */ +#define WRITE_TIMER_MODE BIT(6) +#define PLL_MODE_SHIFT (3) +#define PLL_MODE_MASK (0x7) +#define STATE_MODE_SHIFT (0) +#define STATE_MODE_MASK (0x7) + +/* Bit definitions for the GPIO_CFG_GBL register */ +#define SUPPLY_MODE_SHIFT (0) +#define SUPPLY_MODE_MASK (0x3) + +/* Bit definitions for the GPIO_DCO_INC_DEC register */ +#define INCDEC_DPLL_INDEX_SHIFT (0) +#define INCDEC_DPLL_INDEX_MASK (0x7) + +/* Bit definitions for the GPIO_OUT_CTRL_0 register */ +#define CTRL_OUT_0 BIT(0) +#define CTRL_OUT_1 BIT(1) +#define CTRL_OUT_2 BIT(2) +#define CTRL_OUT_3 BIT(3) +#define CTRL_OUT_4 BIT(4) +#define CTRL_OUT_5 BIT(5) +#define CTRL_OUT_6 BIT(6) +#define CTRL_OUT_7 BIT(7) + +/* Bit definitions for the GPIO_OUT_CTRL_1 register */ +#define CTRL_OUT_8 BIT(0) +#define CTRL_OUT_9 BIT(1) +#define CTRL_OUT_10 BIT(2) +#define CTRL_OUT_11 BIT(3) +#define CTRL_OUT_12 BIT(4) +#define CTRL_OUT_13 BIT(5) +#define CTRL_OUT_14 BIT(6) +#define CTRL_OUT_15 BIT(7) + +/* Bit definitions for the GPIO_TOD_TRIG register */ +#define TOD_TRIG_0 BIT(0) +#define TOD_TRIG_1 BIT(1) +#define TOD_TRIG_2 BIT(2) +#define TOD_TRIG_3 BIT(3) + +/* Bit definitions for the GPIO_DPLL_INDICATOR register */ +#define IND_DPLL_INDEX_SHIFT (0) +#define IND_DPLL_INDEX_MASK (0x7) + +/* Bit definitions for the GPIO_LOS_INDICATOR register */ +#define REFMON_INDEX_SHIFT (0) +#define REFMON_INDEX_MASK (0xf) +/* Active level of LOS indicator, 0=low 1=high */ +#define ACTIVE_LEVEL BIT(4) + +/* Bit definitions for the GPIO_REF_INPUT_DSQ_0 register */ +#define DSQ_INP_0 BIT(0) +#define DSQ_INP_1 BIT(1) +#define DSQ_INP_2 BIT(2) +#define DSQ_INP_3 BIT(3) +#define DSQ_INP_4 BIT(4) +#define DSQ_INP_5 BIT(5) +#define DSQ_INP_6 BIT(6) +#define DSQ_INP_7 BIT(7) + +/* Bit definitions for the GPIO_REF_INPUT_DSQ_1 register */ +#define DSQ_INP_8 BIT(0) +#define DSQ_INP_9 BIT(1) +#define DSQ_INP_10 BIT(2) +#define DSQ_INP_11 BIT(3) +#define DSQ_INP_12 BIT(4) +#define DSQ_INP_13 BIT(5) +#define DSQ_INP_14 BIT(6) +#define DSQ_INP_15 BIT(7) + +/* Bit definitions for the GPIO_REF_INPUT_DSQ_2 register */ +#define DSQ_DPLL_0 BIT(0) +#define DSQ_DPLL_1 BIT(1) +#define DSQ_DPLL_2 BIT(2) +#define DSQ_DPLL_3 BIT(3) +#define DSQ_DPLL_4 BIT(4) +#define DSQ_DPLL_5 BIT(5) +#define DSQ_DPLL_6 BIT(6) +#define DSQ_DPLL_7 BIT(7) + +/* Bit definitions for the GPIO_REF_INPUT_DSQ_3 register */ +#define DSQ_DPLL_SYS BIT(0) +#define GPIO_DSQ_LEVEL BIT(1) + +/* Bit definitions for the GPIO_TOD_NOTIFICATION_CFG register */ +#define DPLL_TOD_SHIFT (0) +#define DPLL_TOD_MASK (0x3) +#define TOD_READ_SECONDARY BIT(2) +#define GPIO_ASSERT_LEVEL BIT(3) + +/* Bit definitions for the GPIO_CTRL register */ +#define GPIO_FUNCTION_EN BIT(0) +#define GPIO_CMOS_OD_MODE BIT(1) +#define GPIO_CONTROL_DIR BIT(2) +#define GPIO_PU_PD_MODE BIT(3) +#define GPIO_FUNCTION_SHIFT (4) +#define GPIO_FUNCTION_MASK (0xf) + +/* Bit definitions for the OUT_CTRL_1 register */ +#define OUT_SYNC_DISABLE BIT(7) +#define SQUELCH_VALUE BIT(6) +#define SQUELCH_DISABLE BIT(5) +#define PAD_VDDO_SHIFT (2) +#define PAD_VDDO_MASK (0x7) +#define PAD_CMOSDRV_SHIFT (0) +#define PAD_CMOSDRV_MASK (0x3) + +/* Bit definitions for the TOD_CFG register */ +#define TOD_EVEN_PPS_MODE BIT(2) +#define TOD_OUT_SYNC_ENABLE BIT(1) +#define TOD_ENABLE BIT(0) + +/* Bit definitions for the TOD_WRITE_SELECT_CFG_0 register */ +#define WR_PWM_DECODER_INDEX_SHIFT (4) +#define WR_PWM_DECODER_INDEX_MASK (0xf) +#define WR_REF_INDEX_SHIFT (0) +#define WR_REF_INDEX_MASK (0xf) + +/* Bit definitions for the TOD_WRITE_CMD register */ +#define TOD_WRITE_SELECTION_SHIFT (0) +#define TOD_WRITE_SELECTION_MASK (0xf) +/* 4.8.7 */ +#define TOD_WRITE_TYPE_SHIFT (4) +#define TOD_WRITE_TYPE_MASK (0x3) + +/* Bit definitions for the TOD_READ_PRIMARY_SEL_CFG_0 register */ +#define RD_PWM_DECODER_INDEX_SHIFT (4) +#define RD_PWM_DECODER_INDEX_MASK (0xf) +#define RD_REF_INDEX_SHIFT (0) +#define RD_REF_INDEX_MASK (0xf) + +/* Bit definitions for the TOD_READ_PRIMARY_CMD register */ +#define TOD_READ_TRIGGER_MODE BIT(4) +#define TOD_READ_TRIGGER_SHIFT (0) +#define TOD_READ_TRIGGER_MASK (0xf) + +/* Bit definitions for the DPLL_CTRL_COMBO_MASTER_CFG register */ +#define COMBO_MASTER_HOLD BIT(0) + +/* Bit definitions for DPLL_SYS_STATUS register */ +#define DPLL_SYS_STATE_MASK (0xf) + +/* Bit definitions for SYS_APLL_STATUS register */ +#define SYS_APLL_LOSS_LOCK_LIVE_MASK BIT(0) +#define SYS_APLL_LOSS_LOCK_LIVE_LOCKED 0 +#define SYS_APLL_LOSS_LOCK_LIVE_UNLOCKED 1 + +/* Bit definitions for the DPLL0_STATUS register */ +#define DPLL_STATE_MASK (0xf) +#define DPLL_STATE_SHIFT (0x0) + +/* Values of DPLL_N.DPLL_MODE.PLL_MODE */ +enum pll_mode { + PLL_MODE_MIN = 0, + PLL_MODE_NORMAL = PLL_MODE_MIN, + PLL_MODE_WRITE_PHASE = 1, + PLL_MODE_WRITE_FREQUENCY = 2, + PLL_MODE_GPIO_INC_DEC = 3, + PLL_MODE_SYNTHESIS = 4, + PLL_MODE_PHASE_MEASUREMENT = 5, + PLL_MODE_DISABLED = 6, + PLL_MODE_MAX = PLL_MODE_DISABLED, +}; + +enum hw_tod_write_trig_sel { + HW_TOD_WR_TRIG_SEL_MIN = 0, + HW_TOD_WR_TRIG_SEL_MSB = HW_TOD_WR_TRIG_SEL_MIN, + HW_TOD_WR_TRIG_SEL_RESERVED = 1, + HW_TOD_WR_TRIG_SEL_TOD_PPS = 2, + HW_TOD_WR_TRIG_SEL_IRIGB_PPS = 3, + HW_TOD_WR_TRIG_SEL_PWM_PPS = 4, + HW_TOD_WR_TRIG_SEL_GPIO = 5, + HW_TOD_WR_TRIG_SEL_FOD_SYNC = 6, + WR_TRIG_SEL_MAX = HW_TOD_WR_TRIG_SEL_FOD_SYNC, +}; + +enum scsr_read_trig_sel { + /* CANCEL CURRENT TOD READ; MODULE BECOMES IDLE - NO TRIGGER OCCURS */ + SCSR_TOD_READ_TRIG_SEL_DISABLE = 0, + /* TRIGGER IMMEDIATELY */ + SCSR_TOD_READ_TRIG_SEL_IMMEDIATE = 1, + /* TRIGGER ON RISING EDGE OF INTERNAL TOD PPS SIGNAL */ + SCSR_TOD_READ_TRIG_SEL_TODPPS = 2, + /* TRGGER ON RISING EDGE OF SELECTED REFERENCE INPUT */ + SCSR_TOD_READ_TRIG_SEL_REFCLK = 3, + /* TRIGGER ON RISING EDGE OF SELECTED PWM DECODER 1PPS OUTPUT */ + SCSR_TOD_READ_TRIG_SEL_PWMPPS = 4, + SCSR_TOD_READ_TRIG_SEL_RESERVED = 5, + /* TRIGGER WHEN WRITE FREQUENCY EVENT OCCURS */ + SCSR_TOD_READ_TRIG_SEL_WRITEFREQUENCYEVENT = 6, + /* TRIGGER ON SELECTED GPIO */ + SCSR_TOD_READ_TRIG_SEL_GPIO = 7, + SCSR_TOD_READ_TRIG_SEL_MAX = SCSR_TOD_READ_TRIG_SEL_GPIO, +}; + +/* Values STATUS.DPLL_SYS_STATUS.DPLL_SYS_STATE */ +enum dpll_state { + DPLL_STATE_MIN = 0, + DPLL_STATE_FREERUN = DPLL_STATE_MIN, + DPLL_STATE_LOCKACQ = 1, + DPLL_STATE_LOCKREC = 2, + DPLL_STATE_LOCKED = 3, + DPLL_STATE_HOLDOVER = 4, + DPLL_STATE_OPEN_LOOP = 5, + DPLL_STATE_MAX = DPLL_STATE_OPEN_LOOP, +}; + +/* 4.8.7 only */ +enum scsr_tod_write_trig_sel { + SCSR_TOD_WR_TRIG_SEL_DISABLE = 0, + SCSR_TOD_WR_TRIG_SEL_IMMEDIATE = 1, + SCSR_TOD_WR_TRIG_SEL_REFCLK = 2, + SCSR_TOD_WR_TRIG_SEL_PWMPPS = 3, + SCSR_TOD_WR_TRIG_SEL_TODPPS = 4, + SCSR_TOD_WR_TRIG_SEL_SYNCFOD = 5, + SCSR_TOD_WR_TRIG_SEL_GPIO = 6, + SCSR_TOD_WR_TRIG_SEL_MAX = SCSR_TOD_WR_TRIG_SEL_GPIO, +}; + +/* 4.8.7 only */ +enum scsr_tod_write_type_sel { + SCSR_TOD_WR_TYPE_SEL_ABSOLUTE = 0, + SCSR_TOD_WR_TYPE_SEL_DELTA_PLUS = 1, + SCSR_TOD_WR_TYPE_SEL_DELTA_MINUS = 2, + SCSR_TOD_WR_TYPE_SEL_MAX = SCSR_TOD_WR_TYPE_SEL_DELTA_MINUS, +}; +#endif diff --git a/include/linux/mfd/lp87565.h b/include/linux/mfd/lp87565.h index 5640e6088fe6..4c895072d91b 100644 --- a/include/linux/mfd/lp87565.h +++ b/include/linux/mfd/lp87565.h @@ -222,31 +222,20 @@ enum lp87565_device_type { #define LP87565_GPIO2_SEL BIT(1) #define LP87565_GPIO1_SEL BIT(0) -#define LP87565_GOIO3_OD BIT(6) -#define LP87565_GOIO2_OD BIT(5) -#define LP87565_GOIO1_OD BIT(4) -#define LP87565_GOIO3_DIR BIT(2) -#define LP87565_GOIO2_DIR BIT(1) -#define LP87565_GOIO1_DIR BIT(0) - -#define LP87565_GOIO3_IN BIT(2) -#define LP87565_GOIO2_IN BIT(1) -#define LP87565_GOIO1_IN BIT(0) - -#define LP87565_GOIO3_OUT BIT(2) -#define LP87565_GOIO2_OUT BIT(1) -#define LP87565_GOIO1_OUT BIT(0) - -enum LP87565_regulator_id { - /* BUCK's */ - LP87565_BUCK_0, - LP87565_BUCK_1, - LP87565_BUCK_2, - LP87565_BUCK_3, - LP87565_BUCK_10, - LP87565_BUCK_23, - LP87565_BUCK_3210, -}; +#define LP87565_GPIO3_OD BIT(6) +#define LP87565_GPIO2_OD BIT(5) +#define LP87565_GPIO1_OD BIT(4) +#define LP87565_GPIO3_DIR BIT(2) +#define LP87565_GPIO2_DIR BIT(1) +#define LP87565_GPIO1_DIR BIT(0) + +#define LP87565_GPIO3_IN BIT(2) +#define LP87565_GPIO2_IN BIT(1) +#define LP87565_GPIO1_IN BIT(0) + +#define LP87565_GPIO3_OUT BIT(2) +#define LP87565_GPIO2_OUT BIT(1) +#define LP87565_GPIO1_OUT BIT(0) /** * struct LP87565 - state holder for the LP87565 driver @@ -263,5 +252,6 @@ struct lp87565 { u8 rev; u8 dev_type; struct regmap *regmap; + struct gpio_desc *reset_gpio; }; #endif /* __LINUX_MFD_LP87565_H */ diff --git a/include/linux/mfd/madera/pdata.h b/include/linux/mfd/madera/pdata.h index 601cbbc10370..32e3470708ed 100644 --- a/include/linux/mfd/madera/pdata.h +++ b/include/linux/mfd/madera/pdata.h @@ -31,7 +31,7 @@ struct pinctrl_map; * @irq_flags: Mode for primary IRQ (defaults to active low) * @gpio_base: Base GPIO number * @gpio_configs: Array of GPIO configurations (See - * Documentation/driver-api/pinctl.rst) + * Documentation/driver-api/pin-control.rst) * @n_gpio_configs: Number of entries in gpio_configs * @gpsw: General purpose switch mode setting. Depends on the external * hardware connected to the switch. (See the SW1_MODE field diff --git a/include/linux/mfd/mt6358/core.h b/include/linux/mfd/mt6358/core.h index c5a11b7458d4..68578e2019b0 100644 --- a/include/linux/mfd/mt6358/core.h +++ b/include/linux/mfd/mt6358/core.h @@ -6,12 +6,9 @@ #ifndef __MFD_MT6358_CORE_H__ #define __MFD_MT6358_CORE_H__ -#define MT6358_REG_WIDTH 16 - struct irq_top_t { int hwirq_base; unsigned int num_int_regs; - unsigned int num_int_bits; unsigned int en_reg; unsigned int en_reg_shift; unsigned int sta_reg; @@ -25,6 +22,7 @@ struct pmic_irq_data { unsigned short top_int_status_reg; bool *enable_hwirq; bool *cache_hwirq; + const struct irq_top_t *pmic_ints; }; enum mt6358_irq_top_status_shift { @@ -146,8 +144,8 @@ enum mt6358_irq_numbers { { \ .hwirq_base = MT6358_IRQ_##sp##_BASE, \ .num_int_regs = \ - ((MT6358_IRQ_##sp##_BITS - 1) / MT6358_REG_WIDTH) + 1, \ - .num_int_bits = MT6358_IRQ_##sp##_BITS, \ + ((MT6358_IRQ_##sp##_BITS - 1) / \ + MTK_PMIC_REG_WIDTH) + 1, \ .en_reg = MT6358_##sp##_TOP_INT_CON0, \ .en_reg_shift = 0x6, \ .sta_reg = MT6358_##sp##_TOP_INT_STATUS0, \ diff --git a/include/linux/mfd/mt6358/registers.h b/include/linux/mfd/mt6358/registers.h index 2ad0b312aa28..201139b12140 100644 --- a/include/linux/mfd/mt6358/registers.h +++ b/include/linux/mfd/mt6358/registers.h @@ -8,6 +8,8 @@ /* PMIC Registers */ #define MT6358_SWCID 0xa +#define MT6358_TOPSTATUS 0x28 +#define MT6358_TOP_RST_MISC 0x14c #define MT6358_MISC_TOP_INT_CON0 0x188 #define MT6358_MISC_TOP_INT_STATUS0 0x194 #define MT6358_TOP_INT_STATUS0 0x19e diff --git a/include/linux/mfd/mt6359/core.h b/include/linux/mfd/mt6359/core.h new file mode 100644 index 000000000000..8d298868126d --- /dev/null +++ b/include/linux/mfd/mt6359/core.h @@ -0,0 +1,133 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __MFD_MT6359_CORE_H__ +#define __MFD_MT6359_CORE_H__ + +enum mt6359_irq_top_status_shift { + MT6359_BUCK_TOP = 0, + MT6359_LDO_TOP, + MT6359_PSC_TOP, + MT6359_SCK_TOP, + MT6359_BM_TOP, + MT6359_HK_TOP, + MT6359_AUD_TOP = 7, + MT6359_MISC_TOP, +}; + +enum mt6359_irq_numbers { + MT6359_IRQ_VCORE_OC = 1, + MT6359_IRQ_VGPU11_OC, + MT6359_IRQ_VGPU12_OC, + MT6359_IRQ_VMODEM_OC, + MT6359_IRQ_VPROC1_OC, + MT6359_IRQ_VPROC2_OC, + MT6359_IRQ_VS1_OC, + MT6359_IRQ_VS2_OC, + MT6359_IRQ_VPA_OC = 9, + MT6359_IRQ_VFE28_OC = 16, + MT6359_IRQ_VXO22_OC, + MT6359_IRQ_VRF18_OC, + MT6359_IRQ_VRF12_OC, + MT6359_IRQ_VEFUSE_OC, + MT6359_IRQ_VCN33_1_OC, + MT6359_IRQ_VCN33_2_OC, + MT6359_IRQ_VCN13_OC, + MT6359_IRQ_VCN18_OC, + MT6359_IRQ_VA09_OC, + MT6359_IRQ_VCAMIO_OC, + MT6359_IRQ_VA12_OC, + MT6359_IRQ_VAUX18_OC, + MT6359_IRQ_VAUD18_OC, + MT6359_IRQ_VIO18_OC, + MT6359_IRQ_VSRAM_PROC1_OC, + MT6359_IRQ_VSRAM_PROC2_OC, + MT6359_IRQ_VSRAM_OTHERS_OC, + MT6359_IRQ_VSRAM_MD_OC, + MT6359_IRQ_VEMC_OC, + MT6359_IRQ_VSIM1_OC, + MT6359_IRQ_VSIM2_OC, + MT6359_IRQ_VUSB_OC, + MT6359_IRQ_VRFCK_OC, + MT6359_IRQ_VBBCK_OC, + MT6359_IRQ_VBIF28_OC, + MT6359_IRQ_VIBR_OC, + MT6359_IRQ_VIO28_OC, + MT6359_IRQ_VM18_OC, + MT6359_IRQ_VUFS_OC = 45, + MT6359_IRQ_PWRKEY = 48, + MT6359_IRQ_HOMEKEY, + MT6359_IRQ_PWRKEY_R, + MT6359_IRQ_HOMEKEY_R, + MT6359_IRQ_NI_LBAT_INT, + MT6359_IRQ_CHRDET_EDGE = 53, + MT6359_IRQ_RTC = 64, + MT6359_IRQ_FG_BAT_H = 80, + MT6359_IRQ_FG_BAT_L, + MT6359_IRQ_FG_CUR_H, + MT6359_IRQ_FG_CUR_L, + MT6359_IRQ_FG_ZCV = 84, + MT6359_IRQ_FG_N_CHARGE_L = 87, + MT6359_IRQ_FG_IAVG_H, + MT6359_IRQ_FG_IAVG_L = 89, + MT6359_IRQ_FG_DISCHARGE = 91, + MT6359_IRQ_FG_CHARGE, + MT6359_IRQ_BATON_LV = 96, + MT6359_IRQ_BATON_BAT_IN = 98, + MT6359_IRQ_BATON_BAT_OU, + MT6359_IRQ_BIF = 100, + MT6359_IRQ_BAT_H = 112, + MT6359_IRQ_BAT_L, + MT6359_IRQ_BAT2_H, + MT6359_IRQ_BAT2_L, + MT6359_IRQ_BAT_TEMP_H, + MT6359_IRQ_BAT_TEMP_L, + MT6359_IRQ_THR_H, + MT6359_IRQ_THR_L, + MT6359_IRQ_AUXADC_IMP, + MT6359_IRQ_NAG_C_DLTV = 121, + MT6359_IRQ_AUDIO = 128, + MT6359_IRQ_ACCDET = 133, + MT6359_IRQ_ACCDET_EINT0, + MT6359_IRQ_ACCDET_EINT1, + MT6359_IRQ_SPI_CMD_ALERT = 144, + MT6359_IRQ_NR, +}; + +#define MT6359_IRQ_BUCK_BASE MT6359_IRQ_VCORE_OC +#define MT6359_IRQ_LDO_BASE MT6359_IRQ_VFE28_OC +#define MT6359_IRQ_PSC_BASE MT6359_IRQ_PWRKEY +#define MT6359_IRQ_SCK_BASE MT6359_IRQ_RTC +#define MT6359_IRQ_BM_BASE MT6359_IRQ_FG_BAT_H +#define MT6359_IRQ_HK_BASE MT6359_IRQ_BAT_H +#define MT6359_IRQ_AUD_BASE MT6359_IRQ_AUDIO +#define MT6359_IRQ_MISC_BASE MT6359_IRQ_SPI_CMD_ALERT + +#define MT6359_IRQ_BUCK_BITS (MT6359_IRQ_VPA_OC - MT6359_IRQ_BUCK_BASE + 1) +#define MT6359_IRQ_LDO_BITS (MT6359_IRQ_VUFS_OC - MT6359_IRQ_LDO_BASE + 1) +#define MT6359_IRQ_PSC_BITS \ + (MT6359_IRQ_CHRDET_EDGE - MT6359_IRQ_PSC_BASE + 1) +#define MT6359_IRQ_SCK_BITS (MT6359_IRQ_RTC - MT6359_IRQ_SCK_BASE + 1) +#define MT6359_IRQ_BM_BITS (MT6359_IRQ_BIF - MT6359_IRQ_BM_BASE + 1) +#define MT6359_IRQ_HK_BITS (MT6359_IRQ_NAG_C_DLTV - MT6359_IRQ_HK_BASE + 1) +#define MT6359_IRQ_AUD_BITS \ + (MT6359_IRQ_ACCDET_EINT1 - MT6359_IRQ_AUD_BASE + 1) +#define MT6359_IRQ_MISC_BITS \ + (MT6359_IRQ_SPI_CMD_ALERT - MT6359_IRQ_MISC_BASE + 1) + +#define MT6359_TOP_GEN(sp) \ +{ \ + .hwirq_base = MT6359_IRQ_##sp##_BASE, \ + .num_int_regs = \ + ((MT6359_IRQ_##sp##_BITS - 1) / \ + MTK_PMIC_REG_WIDTH) + 1, \ + .en_reg = MT6359_##sp##_TOP_INT_CON0, \ + .en_reg_shift = 0x6, \ + .sta_reg = MT6359_##sp##_TOP_INT_STATUS0, \ + .sta_reg_shift = 0x2, \ + .top_offset = MT6359_##sp##_TOP, \ +} + +#endif /* __MFD_MT6359_CORE_H__ */ diff --git a/include/linux/mfd/mt6359/registers.h b/include/linux/mfd/mt6359/registers.h new file mode 100644 index 000000000000..2135c9695918 --- /dev/null +++ b/include/linux/mfd/mt6359/registers.h @@ -0,0 +1,529 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __MFD_MT6359_REGISTERS_H__ +#define __MFD_MT6359_REGISTERS_H__ + +/* PMIC Registers */ +#define MT6359_SWCID 0xa +#define MT6359_MISC_TOP_INT_CON0 0x188 +#define MT6359_MISC_TOP_INT_STATUS0 0x194 +#define MT6359_TOP_INT_STATUS0 0x19e +#define MT6359_SCK_TOP_INT_CON0 0x528 +#define MT6359_SCK_TOP_INT_STATUS0 0x534 +#define MT6359_EOSC_CALI_CON0 0x53a +#define MT6359_EOSC_CALI_CON1 0x53c +#define MT6359_RTC_MIX_CON0 0x53e +#define MT6359_RTC_MIX_CON1 0x540 +#define MT6359_RTC_MIX_CON2 0x542 +#define MT6359_RTC_DSN_ID 0x580 +#define MT6359_RTC_DSN_REV0 0x582 +#define MT6359_RTC_DBI 0x584 +#define MT6359_RTC_DXI 0x586 +#define MT6359_RTC_BBPU 0x588 +#define MT6359_RTC_IRQ_STA 0x58a +#define MT6359_RTC_IRQ_EN 0x58c +#define MT6359_RTC_CII_EN 0x58e +#define MT6359_RTC_AL_MASK 0x590 +#define MT6359_RTC_TC_SEC 0x592 +#define MT6359_RTC_TC_MIN 0x594 +#define MT6359_RTC_TC_HOU 0x596 +#define MT6359_RTC_TC_DOM 0x598 +#define MT6359_RTC_TC_DOW 0x59a +#define MT6359_RTC_TC_MTH 0x59c +#define MT6359_RTC_TC_YEA 0x59e +#define MT6359_RTC_AL_SEC 0x5a0 +#define MT6359_RTC_AL_MIN 0x5a2 +#define MT6359_RTC_AL_HOU 0x5a4 +#define MT6359_RTC_AL_DOM 0x5a6 +#define MT6359_RTC_AL_DOW 0x5a8 +#define MT6359_RTC_AL_MTH 0x5aa +#define MT6359_RTC_AL_YEA 0x5ac +#define MT6359_RTC_OSC32CON 0x5ae +#define MT6359_RTC_POWERKEY1 0x5b0 +#define MT6359_RTC_POWERKEY2 0x5b2 +#define MT6359_RTC_PDN1 0x5b4 +#define MT6359_RTC_PDN2 0x5b6 +#define MT6359_RTC_SPAR0 0x5b8 +#define MT6359_RTC_SPAR1 0x5ba +#define MT6359_RTC_PROT 0x5bc +#define MT6359_RTC_DIFF 0x5be +#define MT6359_RTC_CALI 0x5c0 +#define MT6359_RTC_WRTGR 0x5c2 +#define MT6359_RTC_CON 0x5c4 +#define MT6359_RTC_SEC_CTRL 0x5c6 +#define MT6359_RTC_INT_CNT 0x5c8 +#define MT6359_RTC_SEC_DAT0 0x5ca +#define MT6359_RTC_SEC_DAT1 0x5cc +#define MT6359_RTC_SEC_DAT2 0x5ce +#define MT6359_RTC_SEC_DSN_ID 0x600 +#define MT6359_RTC_SEC_DSN_REV0 0x602 +#define MT6359_RTC_SEC_DBI 0x604 +#define MT6359_RTC_SEC_DXI 0x606 +#define MT6359_RTC_TC_SEC_SEC 0x608 +#define MT6359_RTC_TC_MIN_SEC 0x60a +#define MT6359_RTC_TC_HOU_SEC 0x60c +#define MT6359_RTC_TC_DOM_SEC 0x60e +#define MT6359_RTC_TC_DOW_SEC 0x610 +#define MT6359_RTC_TC_MTH_SEC 0x612 +#define MT6359_RTC_TC_YEA_SEC 0x614 +#define MT6359_RTC_SEC_CK_PDN 0x616 +#define MT6359_RTC_SEC_WRTGR 0x618 +#define MT6359_PSC_TOP_INT_CON0 0x910 +#define MT6359_PSC_TOP_INT_STATUS0 0x91c +#define MT6359_BM_TOP_INT_CON0 0xc32 +#define MT6359_BM_TOP_INT_CON1 0xc38 +#define MT6359_BM_TOP_INT_STATUS0 0xc4a +#define MT6359_BM_TOP_INT_STATUS1 0xc4c +#define MT6359_HK_TOP_INT_CON0 0xf92 +#define MT6359_HK_TOP_INT_STATUS0 0xf9e +#define MT6359_BUCK_TOP_INT_CON0 0x1418 +#define MT6359_BUCK_TOP_INT_STATUS0 0x1424 +#define MT6359_BUCK_VPU_CON0 0x1488 +#define MT6359_BUCK_VPU_DBG0 0x14a6 +#define MT6359_BUCK_VPU_DBG1 0x14a8 +#define MT6359_BUCK_VPU_ELR0 0x14ac +#define MT6359_BUCK_VCORE_CON0 0x1508 +#define MT6359_BUCK_VCORE_DBG0 0x1526 +#define MT6359_BUCK_VCORE_DBG1 0x1528 +#define MT6359_BUCK_VCORE_SSHUB_CON0 0x152a +#define MT6359_BUCK_VCORE_ELR0 0x1534 +#define MT6359_BUCK_VGPU11_CON0 0x1588 +#define MT6359_BUCK_VGPU11_DBG0 0x15a6 +#define MT6359_BUCK_VGPU11_DBG1 0x15a8 +#define MT6359_BUCK_VGPU11_ELR0 0x15ac +#define MT6359_BUCK_VMODEM_CON0 0x1688 +#define MT6359_BUCK_VMODEM_DBG0 0x16a6 +#define MT6359_BUCK_VMODEM_DBG1 0x16a8 +#define MT6359_BUCK_VMODEM_ELR0 0x16ae +#define MT6359_BUCK_VPROC1_CON0 0x1708 +#define MT6359_BUCK_VPROC1_DBG0 0x1726 +#define MT6359_BUCK_VPROC1_DBG1 0x1728 +#define MT6359_BUCK_VPROC1_ELR0 0x172e +#define MT6359_BUCK_VPROC2_CON0 0x1788 +#define MT6359_BUCK_VPROC2_DBG0 0x17a6 +#define MT6359_BUCK_VPROC2_DBG1 0x17a8 +#define MT6359_BUCK_VPROC2_ELR0 0x17b2 +#define MT6359_BUCK_VS1_CON0 0x1808 +#define MT6359_BUCK_VS1_DBG0 0x1826 +#define MT6359_BUCK_VS1_DBG1 0x1828 +#define MT6359_BUCK_VS1_ELR0 0x1834 +#define MT6359_BUCK_VS2_CON0 0x1888 +#define MT6359_BUCK_VS2_DBG0 0x18a6 +#define MT6359_BUCK_VS2_DBG1 0x18a8 +#define MT6359_BUCK_VS2_ELR0 0x18b4 +#define MT6359_BUCK_VPA_CON0 0x1908 +#define MT6359_BUCK_VPA_CON1 0x190e +#define MT6359_BUCK_VPA_CFG0 0x1910 +#define MT6359_BUCK_VPA_CFG1 0x1912 +#define MT6359_BUCK_VPA_DBG0 0x1914 +#define MT6359_BUCK_VPA_DBG1 0x1916 +#define MT6359_VGPUVCORE_ANA_CON2 0x198e +#define MT6359_VGPUVCORE_ANA_CON13 0x19a4 +#define MT6359_VPROC1_ANA_CON3 0x19b2 +#define MT6359_VPROC2_ANA_CON3 0x1a0e +#define MT6359_VMODEM_ANA_CON3 0x1a1a +#define MT6359_VPU_ANA_CON3 0x1a26 +#define MT6359_VS1_ANA_CON0 0x1a2c +#define MT6359_VS2_ANA_CON0 0x1a34 +#define MT6359_VPA_ANA_CON0 0x1a3c +#define MT6359_LDO_TOP_INT_CON0 0x1b14 +#define MT6359_LDO_TOP_INT_CON1 0x1b1a +#define MT6359_LDO_TOP_INT_STATUS0 0x1b28 +#define MT6359_LDO_TOP_INT_STATUS1 0x1b2a +#define MT6359_LDO_VSRAM_PROC1_ELR 0x1b40 +#define MT6359_LDO_VSRAM_PROC2_ELR 0x1b42 +#define MT6359_LDO_VSRAM_OTHERS_ELR 0x1b44 +#define MT6359_LDO_VSRAM_MD_ELR 0x1b46 +#define MT6359_LDO_VFE28_CON0 0x1b88 +#define MT6359_LDO_VFE28_MON 0x1b8a +#define MT6359_LDO_VXO22_CON0 0x1b98 +#define MT6359_LDO_VXO22_MON 0x1b9a +#define MT6359_LDO_VRF18_CON0 0x1ba8 +#define MT6359_LDO_VRF18_MON 0x1baa +#define MT6359_LDO_VRF12_CON0 0x1bb8 +#define MT6359_LDO_VRF12_MON 0x1bba +#define MT6359_LDO_VEFUSE_CON0 0x1bc8 +#define MT6359_LDO_VEFUSE_MON 0x1bca +#define MT6359_LDO_VCN33_1_CON0 0x1bd8 +#define MT6359_LDO_VCN33_1_MON 0x1bda +#define MT6359_LDO_VCN33_1_MULTI_SW 0x1be8 +#define MT6359_LDO_VCN33_2_CON0 0x1c08 +#define MT6359_LDO_VCN33_2_MON 0x1c0a +#define MT6359_LDO_VCN33_2_MULTI_SW 0x1c18 +#define MT6359_LDO_VCN13_CON0 0x1c1a +#define MT6359_LDO_VCN13_MON 0x1c1c +#define MT6359_LDO_VCN18_CON0 0x1c2a +#define MT6359_LDO_VCN18_MON 0x1c2c +#define MT6359_LDO_VA09_CON0 0x1c3a +#define MT6359_LDO_VA09_MON 0x1c3c +#define MT6359_LDO_VCAMIO_CON0 0x1c4a +#define MT6359_LDO_VCAMIO_MON 0x1c4c +#define MT6359_LDO_VA12_CON0 0x1c5a +#define MT6359_LDO_VA12_MON 0x1c5c +#define MT6359_LDO_VAUX18_CON0 0x1c88 +#define MT6359_LDO_VAUX18_MON 0x1c8a +#define MT6359_LDO_VAUD18_CON0 0x1c98 +#define MT6359_LDO_VAUD18_MON 0x1c9a +#define MT6359_LDO_VIO18_CON0 0x1ca8 +#define MT6359_LDO_VIO18_MON 0x1caa +#define MT6359_LDO_VEMC_CON0 0x1cb8 +#define MT6359_LDO_VEMC_MON 0x1cba +#define MT6359_LDO_VSIM1_CON0 0x1cc8 +#define MT6359_LDO_VSIM1_MON 0x1cca +#define MT6359_LDO_VSIM2_CON0 0x1cd8 +#define MT6359_LDO_VSIM2_MON 0x1cda +#define MT6359_LDO_VUSB_CON0 0x1d08 +#define MT6359_LDO_VUSB_MON 0x1d0a +#define MT6359_LDO_VUSB_MULTI_SW 0x1d18 +#define MT6359_LDO_VRFCK_CON0 0x1d1a +#define MT6359_LDO_VRFCK_MON 0x1d1c +#define MT6359_LDO_VBBCK_CON0 0x1d2a +#define MT6359_LDO_VBBCK_MON 0x1d2c +#define MT6359_LDO_VBIF28_CON0 0x1d3a +#define MT6359_LDO_VBIF28_MON 0x1d3c +#define MT6359_LDO_VIBR_CON0 0x1d4a +#define MT6359_LDO_VIBR_MON 0x1d4c +#define MT6359_LDO_VIO28_CON0 0x1d5a +#define MT6359_LDO_VIO28_MON 0x1d5c +#define MT6359_LDO_VM18_CON0 0x1d88 +#define MT6359_LDO_VM18_MON 0x1d8a +#define MT6359_LDO_VUFS_CON0 0x1d98 +#define MT6359_LDO_VUFS_MON 0x1d9a +#define MT6359_LDO_VSRAM_PROC1_CON0 0x1e88 +#define MT6359_LDO_VSRAM_PROC1_MON 0x1e8a +#define MT6359_LDO_VSRAM_PROC1_VOSEL1 0x1e8e +#define MT6359_LDO_VSRAM_PROC2_CON0 0x1ea6 +#define MT6359_LDO_VSRAM_PROC2_MON 0x1ea8 +#define MT6359_LDO_VSRAM_PROC2_VOSEL1 0x1eac +#define MT6359_LDO_VSRAM_OTHERS_CON0 0x1f08 +#define MT6359_LDO_VSRAM_OTHERS_MON 0x1f0a +#define MT6359_LDO_VSRAM_OTHERS_VOSEL1 0x1f0e +#define MT6359_LDO_VSRAM_OTHERS_SSHUB 0x1f26 +#define MT6359_LDO_VSRAM_MD_CON0 0x1f2c +#define MT6359_LDO_VSRAM_MD_MON 0x1f2e +#define MT6359_LDO_VSRAM_MD_VOSEL1 0x1f32 +#define MT6359_VFE28_ANA_CON0 0x1f88 +#define MT6359_VAUX18_ANA_CON0 0x1f8c +#define MT6359_VUSB_ANA_CON0 0x1f90 +#define MT6359_VBIF28_ANA_CON0 0x1f94 +#define MT6359_VCN33_1_ANA_CON0 0x1f98 +#define MT6359_VCN33_2_ANA_CON0 0x1f9c +#define MT6359_VEMC_ANA_CON0 0x1fa0 +#define MT6359_VSIM1_ANA_CON0 0x1fa4 +#define MT6359_VSIM2_ANA_CON0 0x1fa8 +#define MT6359_VIO28_ANA_CON0 0x1fac +#define MT6359_VIBR_ANA_CON0 0x1fb0 +#define MT6359_VRF18_ANA_CON0 0x2008 +#define MT6359_VEFUSE_ANA_CON0 0x200c +#define MT6359_VCN18_ANA_CON0 0x2010 +#define MT6359_VCAMIO_ANA_CON0 0x2014 +#define MT6359_VAUD18_ANA_CON0 0x2018 +#define MT6359_VIO18_ANA_CON0 0x201c +#define MT6359_VM18_ANA_CON0 0x2020 +#define MT6359_VUFS_ANA_CON0 0x2024 +#define MT6359_VRF12_ANA_CON0 0x202a +#define MT6359_VCN13_ANA_CON0 0x202e +#define MT6359_VA09_ANA_CON0 0x2032 +#define MT6359_VA12_ANA_CON0 0x2036 +#define MT6359_VXO22_ANA_CON0 0x2088 +#define MT6359_VRFCK_ANA_CON0 0x208c +#define MT6359_VBBCK_ANA_CON0 0x2094 +#define MT6359_AUD_TOP_INT_CON0 0x2328 +#define MT6359_AUD_TOP_INT_STATUS0 0x2334 + +#define MT6359_RG_BUCK_VPU_EN_ADDR MT6359_BUCK_VPU_CON0 +#define MT6359_RG_BUCK_VPU_LP_ADDR MT6359_BUCK_VPU_CON0 +#define MT6359_RG_BUCK_VPU_LP_SHIFT 1 +#define MT6359_DA_VPU_VOSEL_ADDR MT6359_BUCK_VPU_DBG0 +#define MT6359_DA_VPU_VOSEL_MASK 0x7F +#define MT6359_DA_VPU_VOSEL_SHIFT 0 +#define MT6359_DA_VPU_EN_ADDR MT6359_BUCK_VPU_DBG1 +#define MT6359_RG_BUCK_VPU_VOSEL_ADDR MT6359_BUCK_VPU_ELR0 +#define MT6359_RG_BUCK_VPU_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VPU_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VCORE_EN_ADDR MT6359_BUCK_VCORE_CON0 +#define MT6359_RG_BUCK_VCORE_LP_ADDR MT6359_BUCK_VCORE_CON0 +#define MT6359_RG_BUCK_VCORE_LP_SHIFT 1 +#define MT6359_DA_VCORE_VOSEL_ADDR MT6359_BUCK_VCORE_DBG0 +#define MT6359_DA_VCORE_VOSEL_MASK 0x7F +#define MT6359_DA_VCORE_VOSEL_SHIFT 0 +#define MT6359_DA_VCORE_EN_ADDR MT6359_BUCK_VCORE_DBG1 +#define MT6359_RG_BUCK_VCORE_SSHUB_EN_ADDR MT6359_BUCK_VCORE_SSHUB_CON0 +#define MT6359_RG_BUCK_VCORE_SSHUB_VOSEL_ADDR MT6359_BUCK_VCORE_SSHUB_CON0 +#define MT6359_RG_BUCK_VCORE_SSHUB_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VCORE_SSHUB_VOSEL_SHIFT 4 +#define MT6359_RG_BUCK_VCORE_VOSEL_ADDR MT6359_BUCK_VCORE_ELR0 +#define MT6359_RG_BUCK_VCORE_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VCORE_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VGPU11_EN_ADDR MT6359_BUCK_VGPU11_CON0 +#define MT6359_RG_BUCK_VGPU11_LP_ADDR MT6359_BUCK_VGPU11_CON0 +#define MT6359_RG_BUCK_VGPU11_LP_SHIFT 1 +#define MT6359_DA_VGPU11_VOSEL_ADDR MT6359_BUCK_VGPU11_DBG0 +#define MT6359_DA_VGPU11_VOSEL_MASK 0x7F +#define MT6359_DA_VGPU11_VOSEL_SHIFT 0 +#define MT6359_DA_VGPU11_EN_ADDR MT6359_BUCK_VGPU11_DBG1 +#define MT6359_RG_BUCK_VGPU11_VOSEL_ADDR MT6359_BUCK_VGPU11_ELR0 +#define MT6359_RG_BUCK_VGPU11_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VGPU11_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VMODEM_EN_ADDR MT6359_BUCK_VMODEM_CON0 +#define MT6359_RG_BUCK_VMODEM_LP_ADDR MT6359_BUCK_VMODEM_CON0 +#define MT6359_RG_BUCK_VMODEM_LP_SHIFT 1 +#define MT6359_DA_VMODEM_VOSEL_ADDR MT6359_BUCK_VMODEM_DBG0 +#define MT6359_DA_VMODEM_VOSEL_MASK 0x7F +#define MT6359_DA_VMODEM_VOSEL_SHIFT 0 +#define MT6359_DA_VMODEM_EN_ADDR MT6359_BUCK_VMODEM_DBG1 +#define MT6359_RG_BUCK_VMODEM_VOSEL_ADDR MT6359_BUCK_VMODEM_ELR0 +#define MT6359_RG_BUCK_VMODEM_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VMODEM_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VPROC1_EN_ADDR MT6359_BUCK_VPROC1_CON0 +#define MT6359_RG_BUCK_VPROC1_LP_ADDR MT6359_BUCK_VPROC1_CON0 +#define MT6359_RG_BUCK_VPROC1_LP_SHIFT 1 +#define MT6359_DA_VPROC1_VOSEL_ADDR MT6359_BUCK_VPROC1_DBG0 +#define MT6359_DA_VPROC1_VOSEL_MASK 0x7F +#define MT6359_DA_VPROC1_VOSEL_SHIFT 0 +#define MT6359_DA_VPROC1_EN_ADDR MT6359_BUCK_VPROC1_DBG1 +#define MT6359_RG_BUCK_VPROC1_VOSEL_ADDR MT6359_BUCK_VPROC1_ELR0 +#define MT6359_RG_BUCK_VPROC1_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VPROC1_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VPROC2_EN_ADDR MT6359_BUCK_VPROC2_CON0 +#define MT6359_RG_BUCK_VPROC2_LP_ADDR MT6359_BUCK_VPROC2_CON0 +#define MT6359_RG_BUCK_VPROC2_LP_SHIFT 1 +#define MT6359_DA_VPROC2_VOSEL_ADDR MT6359_BUCK_VPROC2_DBG0 +#define MT6359_DA_VPROC2_VOSEL_MASK 0x7F +#define MT6359_DA_VPROC2_VOSEL_SHIFT 0 +#define MT6359_DA_VPROC2_EN_ADDR MT6359_BUCK_VPROC2_DBG1 +#define MT6359_RG_BUCK_VPROC2_VOSEL_ADDR MT6359_BUCK_VPROC2_ELR0 +#define MT6359_RG_BUCK_VPROC2_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VPROC2_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VS1_EN_ADDR MT6359_BUCK_VS1_CON0 +#define MT6359_RG_BUCK_VS1_LP_ADDR MT6359_BUCK_VS1_CON0 +#define MT6359_RG_BUCK_VS1_LP_SHIFT 1 +#define MT6359_DA_VS1_VOSEL_ADDR MT6359_BUCK_VS1_DBG0 +#define MT6359_DA_VS1_VOSEL_MASK 0x7F +#define MT6359_DA_VS1_VOSEL_SHIFT 0 +#define MT6359_DA_VS1_EN_ADDR MT6359_BUCK_VS1_DBG1 +#define MT6359_RG_BUCK_VS1_VOSEL_ADDR MT6359_BUCK_VS1_ELR0 +#define MT6359_RG_BUCK_VS1_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VS1_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VS2_EN_ADDR MT6359_BUCK_VS2_CON0 +#define MT6359_RG_BUCK_VS2_LP_ADDR MT6359_BUCK_VS2_CON0 +#define MT6359_RG_BUCK_VS2_LP_SHIFT 1 +#define MT6359_DA_VS2_VOSEL_ADDR MT6359_BUCK_VS2_DBG0 +#define MT6359_DA_VS2_VOSEL_MASK 0x7F +#define MT6359_DA_VS2_VOSEL_SHIFT 0 +#define MT6359_DA_VS2_EN_ADDR MT6359_BUCK_VS2_DBG1 +#define MT6359_RG_BUCK_VS2_VOSEL_ADDR MT6359_BUCK_VS2_ELR0 +#define MT6359_RG_BUCK_VS2_VOSEL_MASK 0x7F +#define MT6359_RG_BUCK_VS2_VOSEL_SHIFT 0 +#define MT6359_RG_BUCK_VPA_EN_ADDR MT6359_BUCK_VPA_CON0 +#define MT6359_RG_BUCK_VPA_LP_ADDR MT6359_BUCK_VPA_CON0 +#define MT6359_RG_BUCK_VPA_LP_SHIFT 1 +#define MT6359_RG_BUCK_VPA_VOSEL_ADDR MT6359_BUCK_VPA_CON1 +#define MT6359_RG_BUCK_VPA_VOSEL_MASK 0x3F +#define MT6359_RG_BUCK_VPA_VOSEL_SHIFT 0 +#define MT6359_DA_VPA_VOSEL_ADDR MT6359_BUCK_VPA_DBG0 +#define MT6359_DA_VPA_VOSEL_MASK 0x3F +#define MT6359_DA_VPA_VOSEL_SHIFT 0 +#define MT6359_DA_VPA_EN_ADDR MT6359_BUCK_VPA_DBG1 +#define MT6359_RG_VGPU11_FCCM_ADDR MT6359_VGPUVCORE_ANA_CON2 +#define MT6359_RG_VGPU11_FCCM_SHIFT 9 +#define MT6359_RG_VCORE_FCCM_ADDR MT6359_VGPUVCORE_ANA_CON13 +#define MT6359_RG_VCORE_FCCM_SHIFT 5 +#define MT6359_RG_VPROC1_FCCM_ADDR MT6359_VPROC1_ANA_CON3 +#define MT6359_RG_VPROC1_FCCM_SHIFT 1 +#define MT6359_RG_VPROC2_FCCM_ADDR MT6359_VPROC2_ANA_CON3 +#define MT6359_RG_VPROC2_FCCM_SHIFT 1 +#define MT6359_RG_VMODEM_FCCM_ADDR MT6359_VMODEM_ANA_CON3 +#define MT6359_RG_VMODEM_FCCM_SHIFT 1 +#define MT6359_RG_VPU_FCCM_ADDR MT6359_VPU_ANA_CON3 +#define MT6359_RG_VPU_FCCM_SHIFT 1 +#define MT6359_RG_VS1_FPWM_ADDR MT6359_VS1_ANA_CON0 +#define MT6359_RG_VS1_FPWM_SHIFT 3 +#define MT6359_RG_VS2_FPWM_ADDR MT6359_VS2_ANA_CON0 +#define MT6359_RG_VS2_FPWM_SHIFT 3 +#define MT6359_RG_VPA_MODESET_ADDR MT6359_VPA_ANA_CON0 +#define MT6359_RG_VPA_MODESET_SHIFT 1 +#define MT6359_RG_LDO_VSRAM_PROC1_VOSEL_ADDR MT6359_LDO_VSRAM_PROC1_ELR +#define MT6359_RG_LDO_VSRAM_PROC1_VOSEL_MASK 0x7F +#define MT6359_RG_LDO_VSRAM_PROC1_VOSEL_SHIFT 0 +#define MT6359_RG_LDO_VSRAM_PROC2_VOSEL_ADDR MT6359_LDO_VSRAM_PROC2_ELR +#define MT6359_RG_LDO_VSRAM_PROC2_VOSEL_MASK 0x7F +#define MT6359_RG_LDO_VSRAM_PROC2_VOSEL_SHIFT 0 +#define MT6359_RG_LDO_VSRAM_OTHERS_VOSEL_ADDR MT6359_LDO_VSRAM_OTHERS_ELR +#define MT6359_RG_LDO_VSRAM_OTHERS_VOSEL_MASK 0x7F +#define MT6359_RG_LDO_VSRAM_OTHERS_VOSEL_SHIFT 0 +#define MT6359_RG_LDO_VSRAM_MD_VOSEL_ADDR MT6359_LDO_VSRAM_MD_ELR +#define MT6359_RG_LDO_VSRAM_MD_VOSEL_MASK 0x7F +#define MT6359_RG_LDO_VSRAM_MD_VOSEL_SHIFT 0 +#define MT6359_RG_LDO_VFE28_EN_ADDR MT6359_LDO_VFE28_CON0 +#define MT6359_DA_VFE28_B_EN_ADDR MT6359_LDO_VFE28_MON +#define MT6359_RG_LDO_VXO22_EN_ADDR MT6359_LDO_VXO22_CON0 +#define MT6359_RG_LDO_VXO22_EN_SHIFT 0 +#define MT6359_DA_VXO22_B_EN_ADDR MT6359_LDO_VXO22_MON +#define MT6359_RG_LDO_VRF18_EN_ADDR MT6359_LDO_VRF18_CON0 +#define MT6359_RG_LDO_VRF18_EN_SHIFT 0 +#define MT6359_DA_VRF18_B_EN_ADDR MT6359_LDO_VRF18_MON +#define MT6359_RG_LDO_VRF12_EN_ADDR MT6359_LDO_VRF12_CON0 +#define MT6359_RG_LDO_VRF12_EN_SHIFT 0 +#define MT6359_DA_VRF12_B_EN_ADDR MT6359_LDO_VRF12_MON +#define MT6359_RG_LDO_VEFUSE_EN_ADDR MT6359_LDO_VEFUSE_CON0 +#define MT6359_RG_LDO_VEFUSE_EN_SHIFT 0 +#define MT6359_DA_VEFUSE_B_EN_ADDR MT6359_LDO_VEFUSE_MON +#define MT6359_RG_LDO_VCN33_1_EN_0_ADDR MT6359_LDO_VCN33_1_CON0 +#define MT6359_RG_LDO_VCN33_1_EN_0_MASK 0x1 +#define MT6359_RG_LDO_VCN33_1_EN_0_SHIFT 0 +#define MT6359_DA_VCN33_1_B_EN_ADDR MT6359_LDO_VCN33_1_MON +#define MT6359_RG_LDO_VCN33_1_EN_1_ADDR MT6359_LDO_VCN33_1_MULTI_SW +#define MT6359_RG_LDO_VCN33_1_EN_1_SHIFT 15 +#define MT6359_RG_LDO_VCN33_2_EN_0_ADDR MT6359_LDO_VCN33_2_CON0 +#define MT6359_RG_LDO_VCN33_2_EN_0_SHIFT 0 +#define MT6359_DA_VCN33_2_B_EN_ADDR MT6359_LDO_VCN33_2_MON +#define MT6359_RG_LDO_VCN33_2_EN_1_ADDR MT6359_LDO_VCN33_2_MULTI_SW +#define MT6359_RG_LDO_VCN33_2_EN_1_MASK 0x1 +#define MT6359_RG_LDO_VCN33_2_EN_1_SHIFT 15 +#define MT6359_RG_LDO_VCN13_EN_ADDR MT6359_LDO_VCN13_CON0 +#define MT6359_RG_LDO_VCN13_EN_SHIFT 0 +#define MT6359_DA_VCN13_B_EN_ADDR MT6359_LDO_VCN13_MON +#define MT6359_RG_LDO_VCN18_EN_ADDR MT6359_LDO_VCN18_CON0 +#define MT6359_DA_VCN18_B_EN_ADDR MT6359_LDO_VCN18_MON +#define MT6359_RG_LDO_VA09_EN_ADDR MT6359_LDO_VA09_CON0 +#define MT6359_RG_LDO_VA09_EN_SHIFT 0 +#define MT6359_DA_VA09_B_EN_ADDR MT6359_LDO_VA09_MON +#define MT6359_RG_LDO_VCAMIO_EN_ADDR MT6359_LDO_VCAMIO_CON0 +#define MT6359_RG_LDO_VCAMIO_EN_SHIFT 0 +#define MT6359_DA_VCAMIO_B_EN_ADDR MT6359_LDO_VCAMIO_MON +#define MT6359_RG_LDO_VA12_EN_ADDR MT6359_LDO_VA12_CON0 +#define MT6359_RG_LDO_VA12_EN_SHIFT 0 +#define MT6359_DA_VA12_B_EN_ADDR MT6359_LDO_VA12_MON +#define MT6359_RG_LDO_VAUX18_EN_ADDR MT6359_LDO_VAUX18_CON0 +#define MT6359_DA_VAUX18_B_EN_ADDR MT6359_LDO_VAUX18_MON +#define MT6359_RG_LDO_VAUD18_EN_ADDR MT6359_LDO_VAUD18_CON0 +#define MT6359_DA_VAUD18_B_EN_ADDR MT6359_LDO_VAUD18_MON +#define MT6359_RG_LDO_VIO18_EN_ADDR MT6359_LDO_VIO18_CON0 +#define MT6359_RG_LDO_VIO18_EN_SHIFT 0 +#define MT6359_DA_VIO18_B_EN_ADDR MT6359_LDO_VIO18_MON +#define MT6359_RG_LDO_VEMC_EN_ADDR MT6359_LDO_VEMC_CON0 +#define MT6359_RG_LDO_VEMC_EN_SHIFT 0 +#define MT6359_DA_VEMC_B_EN_ADDR MT6359_LDO_VEMC_MON +#define MT6359_RG_LDO_VSIM1_EN_ADDR MT6359_LDO_VSIM1_CON0 +#define MT6359_RG_LDO_VSIM1_EN_SHIFT 0 +#define MT6359_DA_VSIM1_B_EN_ADDR MT6359_LDO_VSIM1_MON +#define MT6359_RG_LDO_VSIM2_EN_ADDR MT6359_LDO_VSIM2_CON0 +#define MT6359_RG_LDO_VSIM2_EN_SHIFT 0 +#define MT6359_DA_VSIM2_B_EN_ADDR MT6359_LDO_VSIM2_MON +#define MT6359_RG_LDO_VUSB_EN_0_ADDR MT6359_LDO_VUSB_CON0 +#define MT6359_RG_LDO_VUSB_EN_0_MASK 0x1 +#define MT6359_RG_LDO_VUSB_EN_0_SHIFT 0 +#define MT6359_DA_VUSB_B_EN_ADDR MT6359_LDO_VUSB_MON +#define MT6359_RG_LDO_VUSB_EN_1_ADDR MT6359_LDO_VUSB_MULTI_SW +#define MT6359_RG_LDO_VUSB_EN_1_MASK 0x1 +#define MT6359_RG_LDO_VUSB_EN_1_SHIFT 15 +#define MT6359_RG_LDO_VRFCK_EN_ADDR MT6359_LDO_VRFCK_CON0 +#define MT6359_RG_LDO_VRFCK_EN_SHIFT 0 +#define MT6359_DA_VRFCK_B_EN_ADDR MT6359_LDO_VRFCK_MON +#define MT6359_RG_LDO_VBBCK_EN_ADDR MT6359_LDO_VBBCK_CON0 +#define MT6359_RG_LDO_VBBCK_EN_SHIFT 0 +#define MT6359_DA_VBBCK_B_EN_ADDR MT6359_LDO_VBBCK_MON +#define MT6359_RG_LDO_VBIF28_EN_ADDR MT6359_LDO_VBIF28_CON0 +#define MT6359_DA_VBIF28_B_EN_ADDR MT6359_LDO_VBIF28_MON +#define MT6359_RG_LDO_VIBR_EN_ADDR MT6359_LDO_VIBR_CON0 +#define MT6359_RG_LDO_VIBR_EN_SHIFT 0 +#define MT6359_DA_VIBR_B_EN_ADDR MT6359_LDO_VIBR_MON +#define MT6359_RG_LDO_VIO28_EN_ADDR MT6359_LDO_VIO28_CON0 +#define MT6359_RG_LDO_VIO28_EN_SHIFT 0 +#define MT6359_DA_VIO28_B_EN_ADDR MT6359_LDO_VIO28_MON +#define MT6359_RG_LDO_VM18_EN_ADDR MT6359_LDO_VM18_CON0 +#define MT6359_RG_LDO_VM18_EN_SHIFT 0 +#define MT6359_DA_VM18_B_EN_ADDR MT6359_LDO_VM18_MON +#define MT6359_RG_LDO_VUFS_EN_ADDR MT6359_LDO_VUFS_CON0 +#define MT6359_RG_LDO_VUFS_EN_SHIFT 0 +#define MT6359_DA_VUFS_B_EN_ADDR MT6359_LDO_VUFS_MON +#define MT6359_RG_LDO_VSRAM_PROC1_EN_ADDR MT6359_LDO_VSRAM_PROC1_CON0 +#define MT6359_DA_VSRAM_PROC1_B_EN_ADDR MT6359_LDO_VSRAM_PROC1_MON +#define MT6359_DA_VSRAM_PROC1_VOSEL_ADDR MT6359_LDO_VSRAM_PROC1_VOSEL1 +#define MT6359_DA_VSRAM_PROC1_VOSEL_MASK 0x7F +#define MT6359_DA_VSRAM_PROC1_VOSEL_SHIFT 8 +#define MT6359_RG_LDO_VSRAM_PROC2_EN_ADDR MT6359_LDO_VSRAM_PROC2_CON0 +#define MT6359_DA_VSRAM_PROC2_B_EN_ADDR MT6359_LDO_VSRAM_PROC2_MON +#define MT6359_DA_VSRAM_PROC2_VOSEL_ADDR MT6359_LDO_VSRAM_PROC2_VOSEL1 +#define MT6359_DA_VSRAM_PROC2_VOSEL_MASK 0x7F +#define MT6359_DA_VSRAM_PROC2_VOSEL_SHIFT 8 +#define MT6359_RG_LDO_VSRAM_OTHERS_EN_ADDR MT6359_LDO_VSRAM_OTHERS_CON0 +#define MT6359_DA_VSRAM_OTHERS_B_EN_ADDR MT6359_LDO_VSRAM_OTHERS_MON +#define MT6359_DA_VSRAM_OTHERS_VOSEL_ADDR MT6359_LDO_VSRAM_OTHERS_VOSEL1 +#define MT6359_DA_VSRAM_OTHERS_VOSEL_MASK 0x7F +#define MT6359_DA_VSRAM_OTHERS_VOSEL_SHIFT 8 +#define MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_EN_ADDR MT6359_LDO_VSRAM_OTHERS_SSHUB +#define MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_ADDR MT6359_LDO_VSRAM_OTHERS_SSHUB +#define MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_MASK 0x7F +#define MT6359_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_SHIFT 1 +#define MT6359_RG_LDO_VSRAM_MD_EN_ADDR MT6359_LDO_VSRAM_MD_CON0 +#define MT6359_DA_VSRAM_MD_B_EN_ADDR MT6359_LDO_VSRAM_MD_MON +#define MT6359_DA_VSRAM_MD_VOSEL_ADDR MT6359_LDO_VSRAM_MD_VOSEL1 +#define MT6359_DA_VSRAM_MD_VOSEL_MASK 0x7F +#define MT6359_DA_VSRAM_MD_VOSEL_SHIFT 8 +#define MT6359_RG_VCN33_1_VOSEL_ADDR MT6359_VCN33_1_ANA_CON0 +#define MT6359_RG_VCN33_1_VOSEL_MASK 0xF +#define MT6359_RG_VCN33_1_VOSEL_SHIFT 8 +#define MT6359_RG_VCN33_2_VOSEL_ADDR MT6359_VCN33_2_ANA_CON0 +#define MT6359_RG_VCN33_2_VOSEL_MASK 0xF +#define MT6359_RG_VCN33_2_VOSEL_SHIFT 8 +#define MT6359_RG_VEMC_VOSEL_ADDR MT6359_VEMC_ANA_CON0 +#define MT6359_RG_VEMC_VOSEL_MASK 0xF +#define MT6359_RG_VEMC_VOSEL_SHIFT 8 +#define MT6359_RG_VSIM1_VOSEL_ADDR MT6359_VSIM1_ANA_CON0 +#define MT6359_RG_VSIM1_VOSEL_MASK 0xF +#define MT6359_RG_VSIM1_VOSEL_SHIFT 8 +#define MT6359_RG_VSIM2_VOSEL_ADDR MT6359_VSIM2_ANA_CON0 +#define MT6359_RG_VSIM2_VOSEL_MASK 0xF +#define MT6359_RG_VSIM2_VOSEL_SHIFT 8 +#define MT6359_RG_VIO28_VOSEL_ADDR MT6359_VIO28_ANA_CON0 +#define MT6359_RG_VIO28_VOSEL_MASK 0xF +#define MT6359_RG_VIO28_VOSEL_SHIFT 8 +#define MT6359_RG_VIBR_VOSEL_ADDR MT6359_VIBR_ANA_CON0 +#define MT6359_RG_VIBR_VOSEL_MASK 0xF +#define MT6359_RG_VIBR_VOSEL_SHIFT 8 +#define MT6359_RG_VRF18_VOSEL_ADDR MT6359_VRF18_ANA_CON0 +#define MT6359_RG_VRF18_VOSEL_MASK 0xF +#define MT6359_RG_VRF18_VOSEL_SHIFT 8 +#define MT6359_RG_VEFUSE_VOSEL_ADDR MT6359_VEFUSE_ANA_CON0 +#define MT6359_RG_VEFUSE_VOSEL_MASK 0xF +#define MT6359_RG_VEFUSE_VOSEL_SHIFT 8 +#define MT6359_RG_VCAMIO_VOSEL_ADDR MT6359_VCAMIO_ANA_CON0 +#define MT6359_RG_VCAMIO_VOSEL_MASK 0xF +#define MT6359_RG_VCAMIO_VOSEL_SHIFT 8 +#define MT6359_RG_VIO18_VOSEL_ADDR MT6359_VIO18_ANA_CON0 +#define MT6359_RG_VIO18_VOSEL_MASK 0xF +#define MT6359_RG_VIO18_VOSEL_SHIFT 8 +#define MT6359_RG_VM18_VOSEL_ADDR MT6359_VM18_ANA_CON0 +#define MT6359_RG_VM18_VOSEL_MASK 0xF +#define MT6359_RG_VM18_VOSEL_SHIFT 8 +#define MT6359_RG_VUFS_VOSEL_ADDR MT6359_VUFS_ANA_CON0 +#define MT6359_RG_VUFS_VOSEL_MASK 0xF +#define MT6359_RG_VUFS_VOSEL_SHIFT 8 +#define MT6359_RG_VRF12_VOSEL_ADDR MT6359_VRF12_ANA_CON0 +#define MT6359_RG_VRF12_VOSEL_MASK 0xF +#define MT6359_RG_VRF12_VOSEL_SHIFT 8 +#define MT6359_RG_VCN13_VOSEL_ADDR MT6359_VCN13_ANA_CON0 +#define MT6359_RG_VCN13_VOSEL_MASK 0xF +#define MT6359_RG_VCN13_VOSEL_SHIFT 8 +#define MT6359_RG_VA09_VOSEL_ADDR MT6359_VA09_ANA_CON0 +#define MT6359_RG_VA09_VOSEL_MASK 0xF +#define MT6359_RG_VA09_VOSEL_SHIFT 8 +#define MT6359_RG_VA12_VOSEL_ADDR MT6359_VA12_ANA_CON0 +#define MT6359_RG_VA12_VOSEL_MASK 0xF +#define MT6359_RG_VA12_VOSEL_SHIFT 8 +#define MT6359_RG_VXO22_VOSEL_ADDR MT6359_VXO22_ANA_CON0 +#define MT6359_RG_VXO22_VOSEL_MASK 0xF +#define MT6359_RG_VXO22_VOSEL_SHIFT 8 +#define MT6359_RG_VRFCK_VOSEL_ADDR MT6359_VRFCK_ANA_CON0 +#define MT6359_RG_VRFCK_VOSEL_MASK 0xF +#define MT6359_RG_VRFCK_VOSEL_SHIFT 8 +#define MT6359_RG_VBBCK_VOSEL_ADDR MT6359_VBBCK_ANA_CON0 +#define MT6359_RG_VBBCK_VOSEL_MASK 0xF +#define MT6359_RG_VBBCK_VOSEL_SHIFT 8 + +#endif /* __MFD_MT6359_REGISTERS_H__ */ diff --git a/include/linux/mfd/mt6359p/registers.h b/include/linux/mfd/mt6359p/registers.h new file mode 100644 index 000000000000..3d97c1885171 --- /dev/null +++ b/include/linux/mfd/mt6359p/registers.h @@ -0,0 +1,249 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __MFD_MT6359P_REGISTERS_H__ +#define __MFD_MT6359P_REGISTERS_H__ + +#define MT6359P_CHIP_VER 0x5930 + +/* PMIC Registers */ +#define MT6359P_HWCID 0x8 +#define MT6359P_TOP_TRAP 0x50 +#define MT6359P_TOP_TMA_KEY 0x3a8 +#define MT6359P_BUCK_VCORE_ELR_NUM 0x152a +#define MT6359P_BUCK_VCORE_ELR0 0x152c +#define MT6359P_BUCK_VGPU11_SSHUB_CON0 0x15aa +#define MT6359P_BUCK_VGPU11_ELR0 0x15b4 +#define MT6359P_LDO_VSRAM_PROC1_ELR 0x1b44 +#define MT6359P_LDO_VSRAM_PROC2_ELR 0x1b46 +#define MT6359P_LDO_VSRAM_OTHERS_ELR 0x1b48 +#define MT6359P_LDO_VSRAM_MD_ELR 0x1b4a +#define MT6359P_LDO_VEMC_ELR_0 0x1b4c +#define MT6359P_LDO_VFE28_CON0 0x1b88 +#define MT6359P_LDO_VFE28_MON 0x1b8c +#define MT6359P_LDO_VXO22_CON0 0x1b9a +#define MT6359P_LDO_VXO22_MON 0x1b9e +#define MT6359P_LDO_VRF18_CON0 0x1bac +#define MT6359P_LDO_VRF18_MON 0x1bb0 +#define MT6359P_LDO_VRF12_CON0 0x1bbe +#define MT6359P_LDO_VRF12_MON 0x1bc2 +#define MT6359P_LDO_VEFUSE_CON0 0x1bd0 +#define MT6359P_LDO_VEFUSE_MON 0x1bd4 +#define MT6359P_LDO_VCN33_1_CON0 0x1be2 +#define MT6359P_LDO_VCN33_1_MON 0x1be6 +#define MT6359P_LDO_VCN33_1_MULTI_SW 0x1bf4 +#define MT6359P_LDO_VCN33_2_CON0 0x1c08 +#define MT6359P_LDO_VCN33_2_MON 0x1c0c +#define MT6359P_LDO_VCN33_2_MULTI_SW 0x1c1a +#define MT6359P_LDO_VCN13_CON0 0x1c1c +#define MT6359P_LDO_VCN13_MON 0x1c20 +#define MT6359P_LDO_VCN18_CON0 0x1c2e +#define MT6359P_LDO_VCN18_MON 0x1c32 +#define MT6359P_LDO_VA09_CON0 0x1c40 +#define MT6359P_LDO_VA09_MON 0x1c44 +#define MT6359P_LDO_VCAMIO_CON0 0x1c52 +#define MT6359P_LDO_VCAMIO_MON 0x1c56 +#define MT6359P_LDO_VA12_CON0 0x1c64 +#define MT6359P_LDO_VA12_MON 0x1c68 +#define MT6359P_LDO_VAUX18_CON0 0x1c88 +#define MT6359P_LDO_VAUX18_MON 0x1c8c +#define MT6359P_LDO_VAUD18_CON0 0x1c9a +#define MT6359P_LDO_VAUD18_MON 0x1c9e +#define MT6359P_LDO_VIO18_CON0 0x1cac +#define MT6359P_LDO_VIO18_MON 0x1cb0 +#define MT6359P_LDO_VEMC_CON0 0x1cbe +#define MT6359P_LDO_VEMC_MON 0x1cc2 +#define MT6359P_LDO_VSIM1_CON0 0x1cd0 +#define MT6359P_LDO_VSIM1_MON 0x1cd4 +#define MT6359P_LDO_VSIM2_CON0 0x1ce2 +#define MT6359P_LDO_VSIM2_MON 0x1ce6 +#define MT6359P_LDO_VUSB_CON0 0x1d08 +#define MT6359P_LDO_VUSB_MON 0x1d0c +#define MT6359P_LDO_VUSB_MULTI_SW 0x1d1a +#define MT6359P_LDO_VRFCK_CON0 0x1d1c +#define MT6359P_LDO_VRFCK_MON 0x1d20 +#define MT6359P_LDO_VBBCK_CON0 0x1d2e +#define MT6359P_LDO_VBBCK_MON 0x1d32 +#define MT6359P_LDO_VBIF28_CON0 0x1d40 +#define MT6359P_LDO_VBIF28_MON 0x1d44 +#define MT6359P_LDO_VIBR_CON0 0x1d52 +#define MT6359P_LDO_VIBR_MON 0x1d56 +#define MT6359P_LDO_VIO28_CON0 0x1d64 +#define MT6359P_LDO_VIO28_MON 0x1d68 +#define MT6359P_LDO_VM18_CON0 0x1d88 +#define MT6359P_LDO_VM18_MON 0x1d8c +#define MT6359P_LDO_VUFS_CON0 0x1d9a +#define MT6359P_LDO_VUFS_MON 0x1d9e +#define MT6359P_LDO_VSRAM_PROC1_CON0 0x1e88 +#define MT6359P_LDO_VSRAM_PROC1_MON 0x1e8c +#define MT6359P_LDO_VSRAM_PROC1_VOSEL1 0x1e90 +#define MT6359P_LDO_VSRAM_PROC2_CON0 0x1ea8 +#define MT6359P_LDO_VSRAM_PROC2_MON 0x1eac +#define MT6359P_LDO_VSRAM_PROC2_VOSEL1 0x1eb0 +#define MT6359P_LDO_VSRAM_OTHERS_CON0 0x1f08 +#define MT6359P_LDO_VSRAM_OTHERS_MON 0x1f0c +#define MT6359P_LDO_VSRAM_OTHERS_VOSEL1 0x1f10 +#define MT6359P_LDO_VSRAM_OTHERS_SSHUB 0x1f28 +#define MT6359P_LDO_VSRAM_MD_CON0 0x1f2e +#define MT6359P_LDO_VSRAM_MD_MON 0x1f32 +#define MT6359P_LDO_VSRAM_MD_VOSEL1 0x1f36 +#define MT6359P_VFE28_ANA_CON0 0x1f88 +#define MT6359P_VAUX18_ANA_CON0 0x1f8c +#define MT6359P_VUSB_ANA_CON0 0x1f90 +#define MT6359P_VBIF28_ANA_CON0 0x1f94 +#define MT6359P_VCN33_1_ANA_CON0 0x1f98 +#define MT6359P_VCN33_2_ANA_CON0 0x1f9c +#define MT6359P_VEMC_ANA_CON0 0x1fa0 +#define MT6359P_VSIM1_ANA_CON0 0x1fa2 +#define MT6359P_VSIM2_ANA_CON0 0x1fa6 +#define MT6359P_VIO28_ANA_CON0 0x1faa +#define MT6359P_VIBR_ANA_CON0 0x1fae +#define MT6359P_VFE28_ELR_4 0x1fc0 +#define MT6359P_VRF18_ANA_CON0 0x2008 +#define MT6359P_VEFUSE_ANA_CON0 0x200c +#define MT6359P_VCN18_ANA_CON0 0x2010 +#define MT6359P_VCAMIO_ANA_CON0 0x2014 +#define MT6359P_VAUD18_ANA_CON0 0x2018 +#define MT6359P_VIO18_ANA_CON0 0x201c +#define MT6359P_VM18_ANA_CON0 0x2020 +#define MT6359P_VUFS_ANA_CON0 0x2024 +#define MT6359P_VRF12_ANA_CON0 0x202a +#define MT6359P_VCN13_ANA_CON0 0x202e +#define MT6359P_VA09_ANA_CON0 0x2032 +#define MT6359P_VRF18_ELR_3 0x204e +#define MT6359P_VXO22_ANA_CON0 0x2088 +#define MT6359P_VRFCK_ANA_CON0 0x208c +#define MT6359P_VBBCK_ANA_CON0 0x2096 + +#define MT6359P_RG_BUCK_VCORE_VOSEL_ADDR MT6359P_BUCK_VCORE_ELR0 +#define MT6359P_RG_BUCK_VGPU11_SSHUB_EN_ADDR MT6359P_BUCK_VGPU11_SSHUB_CON0 +#define MT6359P_RG_BUCK_VGPU11_VOSEL_ADDR MT6359P_BUCK_VGPU11_ELR0 +#define MT6359P_RG_BUCK_VGPU11_SSHUB_VOSEL_ADDR MT6359P_BUCK_VGPU11_SSHUB_CON0 +#define MT6359P_RG_BUCK_VGPU11_SSHUB_VOSEL_MASK 0x7F +#define MT6359P_RG_BUCK_VGPU11_SSHUB_VOSEL_SHIFT 4 +#define MT6359P_RG_LDO_VSRAM_PROC1_VOSEL_ADDR MT6359P_LDO_VSRAM_PROC1_ELR +#define MT6359P_RG_LDO_VSRAM_PROC2_VOSEL_ADDR MT6359P_LDO_VSRAM_PROC2_ELR +#define MT6359P_RG_LDO_VSRAM_OTHERS_VOSEL_ADDR MT6359P_LDO_VSRAM_OTHERS_ELR +#define MT6359P_RG_LDO_VSRAM_MD_VOSEL_ADDR MT6359P_LDO_VSRAM_MD_ELR +#define MT6359P_RG_LDO_VEMC_VOSEL_0_ADDR MT6359P_LDO_VEMC_ELR_0 +#define MT6359P_RG_LDO_VEMC_VOSEL_0_MASK 0xF +#define MT6359P_RG_LDO_VEMC_VOSEL_0_SHIFT 0 +#define MT6359P_RG_LDO_VFE28_EN_ADDR MT6359P_LDO_VFE28_CON0 +#define MT6359P_DA_VFE28_B_EN_ADDR MT6359P_LDO_VFE28_MON +#define MT6359P_RG_LDO_VXO22_EN_ADDR MT6359P_LDO_VXO22_CON0 +#define MT6359P_RG_LDO_VXO22_EN_SHIFT 0 +#define MT6359P_DA_VXO22_B_EN_ADDR MT6359P_LDO_VXO22_MON +#define MT6359P_RG_LDO_VRF18_EN_ADDR MT6359P_LDO_VRF18_CON0 +#define MT6359P_RG_LDO_VRF18_EN_SHIFT 0 +#define MT6359P_DA_VRF18_B_EN_ADDR MT6359P_LDO_VRF18_MON +#define MT6359P_RG_LDO_VRF12_EN_ADDR MT6359P_LDO_VRF12_CON0 +#define MT6359P_RG_LDO_VRF12_EN_SHIFT 0 +#define MT6359P_DA_VRF12_B_EN_ADDR MT6359P_LDO_VRF12_MON +#define MT6359P_RG_LDO_VEFUSE_EN_ADDR MT6359P_LDO_VEFUSE_CON0 +#define MT6359P_RG_LDO_VEFUSE_EN_SHIFT 0 +#define MT6359P_DA_VEFUSE_B_EN_ADDR MT6359P_LDO_VEFUSE_MON +#define MT6359P_RG_LDO_VCN33_1_EN_0_ADDR MT6359P_LDO_VCN33_1_CON0 +#define MT6359P_DA_VCN33_1_B_EN_ADDR MT6359P_LDO_VCN33_1_MON +#define MT6359P_RG_LDO_VCN33_1_EN_1_ADDR MT6359P_LDO_VCN33_1_MULTI_SW +#define MT6359P_RG_LDO_VCN33_1_EN_1_SHIFT 15 +#define MT6359P_RG_LDO_VCN33_2_EN_0_ADDR MT6359P_LDO_VCN33_2_CON0 +#define MT6359P_RG_LDO_VCN33_2_EN_0_SHIFT 0 +#define MT6359P_DA_VCN33_2_B_EN_ADDR MT6359P_LDO_VCN33_2_MON +#define MT6359P_RG_LDO_VCN33_2_EN_1_ADDR MT6359P_LDO_VCN33_2_MULTI_SW +#define MT6359P_RG_LDO_VCN13_EN_ADDR MT6359P_LDO_VCN13_CON0 +#define MT6359P_RG_LDO_VCN13_EN_SHIFT 0 +#define MT6359P_DA_VCN13_B_EN_ADDR MT6359P_LDO_VCN13_MON +#define MT6359P_RG_LDO_VCN18_EN_ADDR MT6359P_LDO_VCN18_CON0 +#define MT6359P_DA_VCN18_B_EN_ADDR MT6359P_LDO_VCN18_MON +#define MT6359P_RG_LDO_VA09_EN_ADDR MT6359P_LDO_VA09_CON0 +#define MT6359P_RG_LDO_VA09_EN_SHIFT 0 +#define MT6359P_DA_VA09_B_EN_ADDR MT6359P_LDO_VA09_MON +#define MT6359P_RG_LDO_VCAMIO_EN_ADDR MT6359P_LDO_VCAMIO_CON0 +#define MT6359P_RG_LDO_VCAMIO_EN_SHIFT 0 +#define MT6359P_DA_VCAMIO_B_EN_ADDR MT6359P_LDO_VCAMIO_MON +#define MT6359P_RG_LDO_VA12_EN_ADDR MT6359P_LDO_VA12_CON0 +#define MT6359P_RG_LDO_VA12_EN_SHIFT 0 +#define MT6359P_DA_VA12_B_EN_ADDR MT6359P_LDO_VA12_MON +#define MT6359P_RG_LDO_VAUX18_EN_ADDR MT6359P_LDO_VAUX18_CON0 +#define MT6359P_DA_VAUX18_B_EN_ADDR MT6359P_LDO_VAUX18_MON +#define MT6359P_RG_LDO_VAUD18_EN_ADDR MT6359P_LDO_VAUD18_CON0 +#define MT6359P_DA_VAUD18_B_EN_ADDR MT6359P_LDO_VAUD18_MON +#define MT6359P_RG_LDO_VIO18_EN_ADDR MT6359P_LDO_VIO18_CON0 +#define MT6359P_RG_LDO_VIO18_EN_SHIFT 0 +#define MT6359P_DA_VIO18_B_EN_ADDR MT6359P_LDO_VIO18_MON +#define MT6359P_RG_LDO_VEMC_EN_ADDR MT6359P_LDO_VEMC_CON0 +#define MT6359P_RG_LDO_VEMC_EN_SHIFT 0 +#define MT6359P_DA_VEMC_B_EN_ADDR MT6359P_LDO_VEMC_MON +#define MT6359P_RG_LDO_VSIM1_EN_ADDR MT6359P_LDO_VSIM1_CON0 +#define MT6359P_RG_LDO_VSIM1_EN_SHIFT 0 +#define MT6359P_DA_VSIM1_B_EN_ADDR MT6359P_LDO_VSIM1_MON +#define MT6359P_RG_LDO_VSIM2_EN_ADDR MT6359P_LDO_VSIM2_CON0 +#define MT6359P_RG_LDO_VSIM2_EN_SHIFT 0 +#define MT6359P_DA_VSIM2_B_EN_ADDR MT6359P_LDO_VSIM2_MON +#define MT6359P_RG_LDO_VUSB_EN_0_ADDR MT6359P_LDO_VUSB_CON0 +#define MT6359P_DA_VUSB_B_EN_ADDR MT6359P_LDO_VUSB_MON +#define MT6359P_RG_LDO_VUSB_EN_1_ADDR MT6359P_LDO_VUSB_MULTI_SW +#define MT6359P_RG_LDO_VRFCK_EN_ADDR MT6359P_LDO_VRFCK_CON0 +#define MT6359P_RG_LDO_VRFCK_EN_SHIFT 0 +#define MT6359P_DA_VRFCK_B_EN_ADDR MT6359P_LDO_VRFCK_MON +#define MT6359P_RG_LDO_VBBCK_EN_ADDR MT6359P_LDO_VBBCK_CON0 +#define MT6359P_RG_LDO_VBBCK_EN_SHIFT 0 +#define MT6359P_DA_VBBCK_B_EN_ADDR MT6359P_LDO_VBBCK_MON +#define MT6359P_RG_LDO_VBIF28_EN_ADDR MT6359P_LDO_VBIF28_CON0 +#define MT6359P_DA_VBIF28_B_EN_ADDR MT6359P_LDO_VBIF28_MON +#define MT6359P_RG_LDO_VIBR_EN_ADDR MT6359P_LDO_VIBR_CON0 +#define MT6359P_RG_LDO_VIBR_EN_SHIFT 0 +#define MT6359P_DA_VIBR_B_EN_ADDR MT6359P_LDO_VIBR_MON +#define MT6359P_RG_LDO_VIO28_EN_ADDR MT6359P_LDO_VIO28_CON0 +#define MT6359P_RG_LDO_VIO28_EN_SHIFT 0 +#define MT6359P_DA_VIO28_B_EN_ADDR MT6359P_LDO_VIO28_MON +#define MT6359P_RG_LDO_VM18_EN_ADDR MT6359P_LDO_VM18_CON0 +#define MT6359P_RG_LDO_VM18_EN_SHIFT 0 +#define MT6359P_DA_VM18_B_EN_ADDR MT6359P_LDO_VM18_MON +#define MT6359P_RG_LDO_VUFS_EN_ADDR MT6359P_LDO_VUFS_CON0 +#define MT6359P_RG_LDO_VUFS_EN_SHIFT 0 +#define MT6359P_DA_VUFS_B_EN_ADDR MT6359P_LDO_VUFS_MON +#define MT6359P_RG_LDO_VSRAM_PROC1_EN_ADDR MT6359P_LDO_VSRAM_PROC1_CON0 +#define MT6359P_DA_VSRAM_PROC1_B_EN_ADDR MT6359P_LDO_VSRAM_PROC1_MON +#define MT6359P_DA_VSRAM_PROC1_VOSEL_ADDR MT6359P_LDO_VSRAM_PROC1_VOSEL1 +#define MT6359P_RG_LDO_VSRAM_PROC2_EN_ADDR MT6359P_LDO_VSRAM_PROC2_CON0 +#define MT6359P_DA_VSRAM_PROC2_B_EN_ADDR MT6359P_LDO_VSRAM_PROC2_MON +#define MT6359P_DA_VSRAM_PROC2_VOSEL_ADDR MT6359P_LDO_VSRAM_PROC2_VOSEL1 +#define MT6359P_RG_LDO_VSRAM_OTHERS_EN_ADDR MT6359P_LDO_VSRAM_OTHERS_CON0 +#define MT6359P_DA_VSRAM_OTHERS_B_EN_ADDR MT6359P_LDO_VSRAM_OTHERS_MON +#define MT6359P_DA_VSRAM_OTHERS_VOSEL_ADDR MT6359P_LDO_VSRAM_OTHERS_VOSEL1 +#define MT6359P_RG_LDO_VSRAM_OTHERS_SSHUB_EN_ADDR MT6359P_LDO_VSRAM_OTHERS_SSHUB +#define MT6359P_RG_LDO_VSRAM_OTHERS_SSHUB_VOSEL_ADDR MT6359P_LDO_VSRAM_OTHERS_SSHUB +#define MT6359P_RG_LDO_VSRAM_MD_EN_ADDR MT6359P_LDO_VSRAM_MD_CON0 +#define MT6359P_DA_VSRAM_MD_B_EN_ADDR MT6359P_LDO_VSRAM_MD_MON +#define MT6359P_DA_VSRAM_MD_VOSEL_ADDR MT6359P_LDO_VSRAM_MD_VOSEL1 +#define MT6359P_RG_VCN33_1_VOSEL_ADDR MT6359P_VCN33_1_ANA_CON0 +#define MT6359P_RG_VCN33_2_VOSEL_ADDR MT6359P_VCN33_2_ANA_CON0 +#define MT6359P_RG_VEMC_VOSEL_ADDR MT6359P_VEMC_ANA_CON0 +#define MT6359P_RG_VSIM1_VOSEL_ADDR MT6359P_VSIM1_ANA_CON0 +#define MT6359P_RG_VSIM2_VOSEL_ADDR MT6359P_VSIM2_ANA_CON0 +#define MT6359P_RG_VIO28_VOSEL_ADDR MT6359P_VIO28_ANA_CON0 +#define MT6359P_RG_VIBR_VOSEL_ADDR MT6359P_VIBR_ANA_CON0 +#define MT6359P_RG_VRF18_VOSEL_ADDR MT6359P_VRF18_ANA_CON0 +#define MT6359P_RG_VEFUSE_VOSEL_ADDR MT6359P_VEFUSE_ANA_CON0 +#define MT6359P_RG_VCAMIO_VOSEL_ADDR MT6359P_VCAMIO_ANA_CON0 +#define MT6359P_RG_VIO18_VOSEL_ADDR MT6359P_VIO18_ANA_CON0 +#define MT6359P_RG_VM18_VOSEL_ADDR MT6359P_VM18_ANA_CON0 +#define MT6359P_RG_VUFS_VOSEL_ADDR MT6359P_VUFS_ANA_CON0 +#define MT6359P_RG_VRF12_VOSEL_ADDR MT6359P_VRF12_ANA_CON0 +#define MT6359P_RG_VCN13_VOSEL_ADDR MT6359P_VCN13_ANA_CON0 +#define MT6359P_RG_VA09_VOSEL_ADDR MT6359P_VRF18_ELR_3 +#define MT6359P_RG_VA12_VOSEL_ADDR MT6359P_VFE28_ELR_4 +#define MT6359P_RG_VXO22_VOSEL_ADDR MT6359P_VXO22_ANA_CON0 +#define MT6359P_RG_VRFCK_VOSEL_ADDR MT6359P_VRFCK_ANA_CON0 +#define MT6359P_RG_VBBCK_VOSEL_ADDR MT6359P_VBBCK_ANA_CON0 +#define MT6359P_RG_VBBCK_VOSEL_MASK 0xF +#define MT6359P_RG_VBBCK_VOSEL_SHIFT 4 +#define MT6359P_VM_MODE_ADDR MT6359P_TOP_TRAP +#define MT6359P_TMA_KEY_ADDR MT6359P_TOP_TMA_KEY + +#define TMA_KEY 0x9CA6 + +#endif /* __MFD_MT6359P_REGISTERS_H__ */ diff --git a/include/linux/mfd/mt6360.h b/include/linux/mfd/mt6360.h deleted file mode 100644 index ea1304035d4d..000000000000 --- a/include/linux/mfd/mt6360.h +++ /dev/null @@ -1,240 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Copyright (c) 2020 MediaTek Inc. - */ - -#ifndef __MT6360_H__ -#define __MT6360_H__ - -#include <linux/regmap.h> - -enum { - MT6360_SLAVE_PMU = 0, - MT6360_SLAVE_PMIC, - MT6360_SLAVE_LDO, - MT6360_SLAVE_TCPC, - MT6360_SLAVE_MAX, -}; - -#define MT6360_PMU_SLAVEID (0x34) -#define MT6360_PMIC_SLAVEID (0x1A) -#define MT6360_LDO_SLAVEID (0x64) -#define MT6360_TCPC_SLAVEID (0x4E) - -struct mt6360_pmu_data { - struct i2c_client *i2c[MT6360_SLAVE_MAX]; - struct device *dev; - struct regmap *regmap; - struct regmap_irq_chip_data *irq_data; - unsigned int chip_rev; -}; - -/* PMU register defininition */ -#define MT6360_PMU_DEV_INFO (0x00) -#define MT6360_PMU_CORE_CTRL1 (0x01) -#define MT6360_PMU_RST1 (0x02) -#define MT6360_PMU_CRCEN (0x03) -#define MT6360_PMU_RST_PAS_CODE1 (0x04) -#define MT6360_PMU_RST_PAS_CODE2 (0x05) -#define MT6360_PMU_CORE_CTRL2 (0x06) -#define MT6360_PMU_TM_PAS_CODE1 (0x07) -#define MT6360_PMU_TM_PAS_CODE2 (0x08) -#define MT6360_PMU_TM_PAS_CODE3 (0x09) -#define MT6360_PMU_TM_PAS_CODE4 (0x0A) -#define MT6360_PMU_IRQ_IND (0x0B) -#define MT6360_PMU_IRQ_MASK (0x0C) -#define MT6360_PMU_IRQ_SET (0x0D) -#define MT6360_PMU_SHDN_CTRL (0x0E) -#define MT6360_PMU_TM_INF (0x0F) -#define MT6360_PMU_I2C_CTRL (0x10) -#define MT6360_PMU_CHG_CTRL1 (0x11) -#define MT6360_PMU_CHG_CTRL2 (0x12) -#define MT6360_PMU_CHG_CTRL3 (0x13) -#define MT6360_PMU_CHG_CTRL4 (0x14) -#define MT6360_PMU_CHG_CTRL5 (0x15) -#define MT6360_PMU_CHG_CTRL6 (0x16) -#define MT6360_PMU_CHG_CTRL7 (0x17) -#define MT6360_PMU_CHG_CTRL8 (0x18) -#define MT6360_PMU_CHG_CTRL9 (0x19) -#define MT6360_PMU_CHG_CTRL10 (0x1A) -#define MT6360_PMU_CHG_CTRL11 (0x1B) -#define MT6360_PMU_CHG_CTRL12 (0x1C) -#define MT6360_PMU_CHG_CTRL13 (0x1D) -#define MT6360_PMU_CHG_CTRL14 (0x1E) -#define MT6360_PMU_CHG_CTRL15 (0x1F) -#define MT6360_PMU_CHG_CTRL16 (0x20) -#define MT6360_PMU_CHG_AICC_RESULT (0x21) -#define MT6360_PMU_DEVICE_TYPE (0x22) -#define MT6360_PMU_QC_CONTROL1 (0x23) -#define MT6360_PMU_QC_CONTROL2 (0x24) -#define MT6360_PMU_QC30_CONTROL1 (0x25) -#define MT6360_PMU_QC30_CONTROL2 (0x26) -#define MT6360_PMU_USB_STATUS1 (0x27) -#define MT6360_PMU_QC_STATUS1 (0x28) -#define MT6360_PMU_QC_STATUS2 (0x29) -#define MT6360_PMU_CHG_PUMP (0x2A) -#define MT6360_PMU_CHG_CTRL17 (0x2B) -#define MT6360_PMU_CHG_CTRL18 (0x2C) -#define MT6360_PMU_CHRDET_CTRL1 (0x2D) -#define MT6360_PMU_CHRDET_CTRL2 (0x2E) -#define MT6360_PMU_DPDN_CTRL (0x2F) -#define MT6360_PMU_CHG_HIDDEN_CTRL1 (0x30) -#define MT6360_PMU_CHG_HIDDEN_CTRL2 (0x31) -#define MT6360_PMU_CHG_HIDDEN_CTRL3 (0x32) -#define MT6360_PMU_CHG_HIDDEN_CTRL4 (0x33) -#define MT6360_PMU_CHG_HIDDEN_CTRL5 (0x34) -#define MT6360_PMU_CHG_HIDDEN_CTRL6 (0x35) -#define MT6360_PMU_CHG_HIDDEN_CTRL7 (0x36) -#define MT6360_PMU_CHG_HIDDEN_CTRL8 (0x37) -#define MT6360_PMU_CHG_HIDDEN_CTRL9 (0x38) -#define MT6360_PMU_CHG_HIDDEN_CTRL10 (0x39) -#define MT6360_PMU_CHG_HIDDEN_CTRL11 (0x3A) -#define MT6360_PMU_CHG_HIDDEN_CTRL12 (0x3B) -#define MT6360_PMU_CHG_HIDDEN_CTRL13 (0x3C) -#define MT6360_PMU_CHG_HIDDEN_CTRL14 (0x3D) -#define MT6360_PMU_CHG_HIDDEN_CTRL15 (0x3E) -#define MT6360_PMU_CHG_HIDDEN_CTRL16 (0x3F) -#define MT6360_PMU_CHG_HIDDEN_CTRL17 (0x40) -#define MT6360_PMU_CHG_HIDDEN_CTRL18 (0x41) -#define MT6360_PMU_CHG_HIDDEN_CTRL19 (0x42) -#define MT6360_PMU_CHG_HIDDEN_CTRL20 (0x43) -#define MT6360_PMU_CHG_HIDDEN_CTRL21 (0x44) -#define MT6360_PMU_CHG_HIDDEN_CTRL22 (0x45) -#define MT6360_PMU_CHG_HIDDEN_CTRL23 (0x46) -#define MT6360_PMU_CHG_HIDDEN_CTRL24 (0x47) -#define MT6360_PMU_CHG_HIDDEN_CTRL25 (0x48) -#define MT6360_PMU_BC12_CTRL (0x49) -#define MT6360_PMU_CHG_STAT (0x4A) -#define MT6360_PMU_RESV1 (0x4B) -#define MT6360_PMU_TYPEC_OTP_TH_SEL_CODEH (0x4E) -#define MT6360_PMU_TYPEC_OTP_TH_SEL_CODEL (0x4F) -#define MT6360_PMU_TYPEC_OTP_HYST_TH (0x50) -#define MT6360_PMU_TYPEC_OTP_CTRL (0x51) -#define MT6360_PMU_ADC_BAT_DATA_H (0x52) -#define MT6360_PMU_ADC_BAT_DATA_L (0x53) -#define MT6360_PMU_IMID_BACKBST_ON (0x54) -#define MT6360_PMU_IMID_BACKBST_OFF (0x55) -#define MT6360_PMU_ADC_CONFIG (0x56) -#define MT6360_PMU_ADC_EN2 (0x57) -#define MT6360_PMU_ADC_IDLE_T (0x58) -#define MT6360_PMU_ADC_RPT_1 (0x5A) -#define MT6360_PMU_ADC_RPT_2 (0x5B) -#define MT6360_PMU_ADC_RPT_3 (0x5C) -#define MT6360_PMU_ADC_RPT_ORG1 (0x5D) -#define MT6360_PMU_ADC_RPT_ORG2 (0x5E) -#define MT6360_PMU_BAT_OVP_TH_SEL_CODEH (0x5F) -#define MT6360_PMU_BAT_OVP_TH_SEL_CODEL (0x60) -#define MT6360_PMU_CHG_CTRL19 (0x61) -#define MT6360_PMU_VDDASUPPLY (0x62) -#define MT6360_PMU_BC12_MANUAL (0x63) -#define MT6360_PMU_CHGDET_FUNC (0x64) -#define MT6360_PMU_FOD_CTRL (0x65) -#define MT6360_PMU_CHG_CTRL20 (0x66) -#define MT6360_PMU_CHG_HIDDEN_CTRL26 (0x67) -#define MT6360_PMU_CHG_HIDDEN_CTRL27 (0x68) -#define MT6360_PMU_RESV2 (0x69) -#define MT6360_PMU_USBID_CTRL1 (0x6D) -#define MT6360_PMU_USBID_CTRL2 (0x6E) -#define MT6360_PMU_USBID_CTRL3 (0x6F) -#define MT6360_PMU_FLED_CFG (0x70) -#define MT6360_PMU_RESV3 (0x71) -#define MT6360_PMU_FLED1_CTRL (0x72) -#define MT6360_PMU_FLED_STRB_CTRL (0x73) -#define MT6360_PMU_FLED1_STRB_CTRL2 (0x74) -#define MT6360_PMU_FLED1_TOR_CTRL (0x75) -#define MT6360_PMU_FLED2_CTRL (0x76) -#define MT6360_PMU_RESV4 (0x77) -#define MT6360_PMU_FLED2_STRB_CTRL2 (0x78) -#define MT6360_PMU_FLED2_TOR_CTRL (0x79) -#define MT6360_PMU_FLED_VMIDTRK_CTRL1 (0x7A) -#define MT6360_PMU_FLED_VMID_RTM (0x7B) -#define MT6360_PMU_FLED_VMIDTRK_CTRL2 (0x7C) -#define MT6360_PMU_FLED_PWSEL (0x7D) -#define MT6360_PMU_FLED_EN (0x7E) -#define MT6360_PMU_FLED_Hidden1 (0x7F) -#define MT6360_PMU_RGB_EN (0x80) -#define MT6360_PMU_RGB1_ISNK (0x81) -#define MT6360_PMU_RGB2_ISNK (0x82) -#define MT6360_PMU_RGB3_ISNK (0x83) -#define MT6360_PMU_RGB_ML_ISNK (0x84) -#define MT6360_PMU_RGB1_DIM (0x85) -#define MT6360_PMU_RGB2_DIM (0x86) -#define MT6360_PMU_RGB3_DIM (0x87) -#define MT6360_PMU_RESV5 (0x88) -#define MT6360_PMU_RGB12_Freq (0x89) -#define MT6360_PMU_RGB34_Freq (0x8A) -#define MT6360_PMU_RGB1_Tr (0x8B) -#define MT6360_PMU_RGB1_Tf (0x8C) -#define MT6360_PMU_RGB1_TON_TOFF (0x8D) -#define MT6360_PMU_RGB2_Tr (0x8E) -#define MT6360_PMU_RGB2_Tf (0x8F) -#define MT6360_PMU_RGB2_TON_TOFF (0x90) -#define MT6360_PMU_RGB3_Tr (0x91) -#define MT6360_PMU_RGB3_Tf (0x92) -#define MT6360_PMU_RGB3_TON_TOFF (0x93) -#define MT6360_PMU_RGB_Hidden_CTRL1 (0x94) -#define MT6360_PMU_RGB_Hidden_CTRL2 (0x95) -#define MT6360_PMU_RESV6 (0x97) -#define MT6360_PMU_SPARE1 (0x9A) -#define MT6360_PMU_SPARE2 (0xA0) -#define MT6360_PMU_SPARE3 (0xB0) -#define MT6360_PMU_SPARE4 (0xC0) -#define MT6360_PMU_CHG_IRQ1 (0xD0) -#define MT6360_PMU_CHG_IRQ2 (0xD1) -#define MT6360_PMU_CHG_IRQ3 (0xD2) -#define MT6360_PMU_CHG_IRQ4 (0xD3) -#define MT6360_PMU_CHG_IRQ5 (0xD4) -#define MT6360_PMU_CHG_IRQ6 (0xD5) -#define MT6360_PMU_QC_IRQ (0xD6) -#define MT6360_PMU_FOD_IRQ (0xD7) -#define MT6360_PMU_BASE_IRQ (0xD8) -#define MT6360_PMU_FLED_IRQ1 (0xD9) -#define MT6360_PMU_FLED_IRQ2 (0xDA) -#define MT6360_PMU_RGB_IRQ (0xDB) -#define MT6360_PMU_BUCK1_IRQ (0xDC) -#define MT6360_PMU_BUCK2_IRQ (0xDD) -#define MT6360_PMU_LDO_IRQ1 (0xDE) -#define MT6360_PMU_LDO_IRQ2 (0xDF) -#define MT6360_PMU_CHG_STAT1 (0xE0) -#define MT6360_PMU_CHG_STAT2 (0xE1) -#define MT6360_PMU_CHG_STAT3 (0xE2) -#define MT6360_PMU_CHG_STAT4 (0xE3) -#define MT6360_PMU_CHG_STAT5 (0xE4) -#define MT6360_PMU_CHG_STAT6 (0xE5) -#define MT6360_PMU_QC_STAT (0xE6) -#define MT6360_PMU_FOD_STAT (0xE7) -#define MT6360_PMU_BASE_STAT (0xE8) -#define MT6360_PMU_FLED_STAT1 (0xE9) -#define MT6360_PMU_FLED_STAT2 (0xEA) -#define MT6360_PMU_RGB_STAT (0xEB) -#define MT6360_PMU_BUCK1_STAT (0xEC) -#define MT6360_PMU_BUCK2_STAT (0xED) -#define MT6360_PMU_LDO_STAT1 (0xEE) -#define MT6360_PMU_LDO_STAT2 (0xEF) -#define MT6360_PMU_CHG_MASK1 (0xF0) -#define MT6360_PMU_CHG_MASK2 (0xF1) -#define MT6360_PMU_CHG_MASK3 (0xF2) -#define MT6360_PMU_CHG_MASK4 (0xF3) -#define MT6360_PMU_CHG_MASK5 (0xF4) -#define MT6360_PMU_CHG_MASK6 (0xF5) -#define MT6360_PMU_QC_MASK (0xF6) -#define MT6360_PMU_FOD_MASK (0xF7) -#define MT6360_PMU_BASE_MASK (0xF8) -#define MT6360_PMU_FLED_MASK1 (0xF9) -#define MT6360_PMU_FLED_MASK2 (0xFA) -#define MT6360_PMU_FAULTB_MASK (0xFB) -#define MT6360_PMU_BUCK1_MASK (0xFC) -#define MT6360_PMU_BUCK2_MASK (0xFD) -#define MT6360_PMU_LDO_MASK1 (0xFE) -#define MT6360_PMU_LDO_MASK2 (0xFF) -#define MT6360_PMU_MAXREG (MT6360_PMU_LDO_MASK2) - -/* MT6360_PMU_IRQ_SET */ -#define MT6360_PMU_IRQ_REGNUM (MT6360_PMU_LDO_IRQ2 - MT6360_PMU_CHG_IRQ1 + 1) -#define MT6360_IRQ_RETRIG BIT(2) - -#define CHIP_VEN_MASK (0xF0) -#define CHIP_VEN_MT6360 (0x50) -#define CHIP_REV_MASK (0x0F) - -#endif /* __MT6360_H__ */ diff --git a/include/linux/mfd/mt6397/core.h b/include/linux/mfd/mt6397/core.h index 949268581b36..56f210eebc54 100644 --- a/include/linux/mfd/mt6397/core.h +++ b/include/linux/mfd/mt6397/core.h @@ -13,6 +13,7 @@ enum chip_id { MT6323_CHIP_ID = 0x23, MT6358_CHIP_ID = 0x58, + MT6359_CHIP_ID = 0x59, MT6391_CHIP_ID = 0x91, MT6397_CHIP_ID = 0x97, }; diff --git a/include/linux/mfd/mt6397/rtc.h b/include/linux/mfd/mt6397/rtc.h index c3748b53bf7d..068ae1c0f0e8 100644 --- a/include/linux/mfd/mt6397/rtc.h +++ b/include/linux/mfd/mt6397/rtc.h @@ -36,6 +36,7 @@ #define RTC_AL_MASK_DOW BIT(4) #define RTC_TC_SEC 0x000a +#define RTC_TC_MTH_MASK 0x000f /* Min, Hour, Dom... register offset to RTC_TC_SEC */ #define RTC_OFFSET_SEC 0 #define RTC_OFFSET_MIN 1 diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h index e07f6e61cd38..a96e6d43ca06 100644 --- a/include/linux/mfd/rk808.h +++ b/include/linux/mfd/rk808.h @@ -437,6 +437,87 @@ enum rk809_reg_id { #define RK817_RTC_COMP_LSB_REG 0x10 #define RK817_RTC_COMP_MSB_REG 0x11 +/* RK817 Codec Registers */ +#define RK817_CODEC_DTOP_VUCTL 0x12 +#define RK817_CODEC_DTOP_VUCTIME 0x13 +#define RK817_CODEC_DTOP_LPT_SRST 0x14 +#define RK817_CODEC_DTOP_DIGEN_CLKE 0x15 +#define RK817_CODEC_AREF_RTCFG0 0x16 +#define RK817_CODEC_AREF_RTCFG1 0x17 +#define RK817_CODEC_AADC_CFG0 0x18 +#define RK817_CODEC_AADC_CFG1 0x19 +#define RK817_CODEC_DADC_VOLL 0x1a +#define RK817_CODEC_DADC_VOLR 0x1b +#define RK817_CODEC_DADC_SR_ACL0 0x1e +#define RK817_CODEC_DADC_ALC1 0x1f +#define RK817_CODEC_DADC_ALC2 0x20 +#define RK817_CODEC_DADC_NG 0x21 +#define RK817_CODEC_DADC_HPF 0x22 +#define RK817_CODEC_DADC_RVOLL 0x23 +#define RK817_CODEC_DADC_RVOLR 0x24 +#define RK817_CODEC_AMIC_CFG0 0x27 +#define RK817_CODEC_AMIC_CFG1 0x28 +#define RK817_CODEC_DMIC_PGA_GAIN 0x29 +#define RK817_CODEC_DMIC_LMT1 0x2a +#define RK817_CODEC_DMIC_LMT2 0x2b +#define RK817_CODEC_DMIC_NG1 0x2c +#define RK817_CODEC_DMIC_NG2 0x2d +#define RK817_CODEC_ADAC_CFG0 0x2e +#define RK817_CODEC_ADAC_CFG1 0x2f +#define RK817_CODEC_DDAC_POPD_DACST 0x30 +#define RK817_CODEC_DDAC_VOLL 0x31 +#define RK817_CODEC_DDAC_VOLR 0x32 +#define RK817_CODEC_DDAC_SR_LMT0 0x35 +#define RK817_CODEC_DDAC_LMT1 0x36 +#define RK817_CODEC_DDAC_LMT2 0x37 +#define RK817_CODEC_DDAC_MUTE_MIXCTL 0x38 +#define RK817_CODEC_DDAC_RVOLL 0x39 +#define RK817_CODEC_DDAC_RVOLR 0x3a +#define RK817_CODEC_AHP_ANTI0 0x3b +#define RK817_CODEC_AHP_ANTI1 0x3c +#define RK817_CODEC_AHP_CFG0 0x3d +#define RK817_CODEC_AHP_CFG1 0x3e +#define RK817_CODEC_AHP_CP 0x3f +#define RK817_CODEC_ACLASSD_CFG1 0x40 +#define RK817_CODEC_ACLASSD_CFG2 0x41 +#define RK817_CODEC_APLL_CFG0 0x42 +#define RK817_CODEC_APLL_CFG1 0x43 +#define RK817_CODEC_APLL_CFG2 0x44 +#define RK817_CODEC_APLL_CFG3 0x45 +#define RK817_CODEC_APLL_CFG4 0x46 +#define RK817_CODEC_APLL_CFG5 0x47 +#define RK817_CODEC_DI2S_CKM 0x48 +#define RK817_CODEC_DI2S_RSD 0x49 +#define RK817_CODEC_DI2S_RXCR1 0x4a +#define RK817_CODEC_DI2S_RXCR2 0x4b +#define RK817_CODEC_DI2S_RXCMD_TSD 0x4c +#define RK817_CODEC_DI2S_TXCR1 0x4d +#define RK817_CODEC_DI2S_TXCR2 0x4e +#define RK817_CODEC_DI2S_TXCR3_TXCMD 0x4f + +/* RK817_CODEC_DI2S_CKM */ +#define RK817_I2S_MODE_MASK (0x1 << 0) +#define RK817_I2S_MODE_MST (0x1 << 0) +#define RK817_I2S_MODE_SLV (0x0 << 0) + +/* RK817_CODEC_DDAC_MUTE_MIXCTL */ +#define DACMT_MASK (0x1 << 0) +#define DACMT_ENABLE (0x1 << 0) +#define DACMT_DISABLE (0x0 << 0) + +/* RK817_CODEC_DI2S_RXCR2 */ +#define VDW_RX_24BITS (0x17) +#define VDW_RX_16BITS (0x0f) + +/* RK817_CODEC_DI2S_TXCR2 */ +#define VDW_TX_24BITS (0x17) +#define VDW_TX_16BITS (0x0f) + +/* RK817_CODEC_AMIC_CFG0 */ +#define MIC_DIFF_MASK (0x1 << 7) +#define MIC_DIFF_DIS (0x0 << 7) +#define MIC_DIFF_EN (0x1 << 7) + #define RK817_POWER_EN_REG(i) (0xb1 + (i)) #define RK817_POWER_SLP_EN_REG(i) (0xb5 + (i)) diff --git a/include/linux/mfd/rsmu.h b/include/linux/mfd/rsmu.h new file mode 100644 index 000000000000..6870de608233 --- /dev/null +++ b/include/linux/mfd/rsmu.h @@ -0,0 +1,36 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Core interface for Renesas Synchronization Management Unit (SMU) devices. + * + * Copyright (C) 2021 Integrated Device Technology, Inc., a Renesas Company. + */ + +#ifndef __LINUX_MFD_RSMU_H +#define __LINUX_MFD_RSMU_H + +/* The supported devices are ClockMatrix, Sabre and SnowLotus */ +enum rsmu_type { + RSMU_CM = 0x34000, + RSMU_SABRE = 0x33810, + RSMU_SL = 0x19850, +}; + +/** + * + * struct rsmu_ddata - device data structure for sub devices. + * + * @dev: i2c/spi device. + * @regmap: i2c/spi bus access. + * @lock: mutex used by sub devices to make sure a series of + * bus access requests are not interrupted. + * @type: RSMU device type. + * @page: i2c/spi bus driver internal use only. + */ +struct rsmu_ddata { + struct device *dev; + struct regmap *regmap; + struct mutex lock; + enum rsmu_type type; + u16 page; +}; +#endif /* __LINUX_MFD_RSMU_H */ diff --git a/include/linux/mfd/samsung/core.h b/include/linux/mfd/samsung/core.h index f1631a39acfc..f92fe090473d 100644 --- a/include/linux/mfd/samsung/core.h +++ b/include/linux/mfd/samsung/core.h @@ -67,11 +67,8 @@ struct sec_pmic_dev { struct i2c_client *i2c; unsigned long device_type; - int irq_base; int irq; struct regmap_irq_chip_data *irq_data; - - bool wakeup; }; int sec_irq_init(struct sec_pmic_dev *sec_pmic); @@ -81,15 +78,8 @@ int sec_irq_resume(struct sec_pmic_dev *sec_pmic); struct sec_platform_data { struct sec_regulator_data *regulators; struct sec_opmode_data *opmode; - int device_type; int num_regulators; - int irq_base; - int (*cfg_pmic_irq)(void); - - bool wakeup; - bool buck_voltage_lock; - int buck_gpios[3]; int buck_ds[3]; unsigned int buck2_voltage[8]; @@ -99,35 +89,12 @@ struct sec_platform_data { unsigned int buck4_voltage[8]; bool buck4_gpiodvs; - int buck_set1; - int buck_set2; - int buck_set3; - int buck2_enable; - int buck3_enable; - int buck4_enable; int buck_default_idx; - int buck2_default_idx; - int buck3_default_idx; - int buck4_default_idx; - int buck_ramp_delay; - int buck2_ramp_delay; - int buck34_ramp_delay; - int buck5_ramp_delay; - int buck16_ramp_delay; - int buck7810_ramp_delay; - int buck9_ramp_delay; - int buck24_ramp_delay; - int buck3_ramp_delay; - int buck7_ramp_delay; - int buck8910_ramp_delay; - - bool buck1_ramp_enable; bool buck2_ramp_enable; bool buck3_ramp_enable; bool buck4_ramp_enable; - bool buck6_ramp_enable; int buck2_init; int buck3_init; diff --git a/include/linux/mfd/wcd934x/registers.h b/include/linux/mfd/wcd934x/registers.h index bb8d2e276668..76a943c83c63 100644 --- a/include/linux/mfd/wcd934x/registers.h +++ b/include/linux/mfd/wcd934x/registers.h @@ -18,6 +18,8 @@ #define WCD934X_EFUSE_SENSE_STATE_DEF 0x10 #define WCD934X_EFUSE_SENSE_EN_MASK BIT(0) #define WCD934X_EFUSE_SENSE_ENABLE BIT(0) +#define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT1 0x002a +#define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT2 0x002b #define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT14 0x0037 #define WCD934X_CHIP_TIER_CTRL_EFUSE_VAL_OUT15 0x0038 #define WCD934X_CHIP_TIER_CTRL_EFUSE_STATUS 0x0039 @@ -103,21 +105,58 @@ #define WCD934X_ANA_AMIC3 0x0610 #define WCD934X_ANA_AMIC4 0x0611 #define WCD934X_ANA_MBHC_MECH 0x0614 +#define WCD934X_MBHC_L_DET_EN_MASK BIT(7) +#define WCD934X_MBHC_L_DET_EN BIT(7) +#define WCD934X_MBHC_GND_DET_EN_MASK BIT(6) +#define WCD934X_MBHC_MECH_DETECT_TYPE_MASK BIT(5) +#define WCD934X_MBHC_MECH_DETECT_TYPE_INS 1 +#define WCD934X_MBHC_HPHL_PLUG_TYPE_MASK BIT(4) +#define WCD934X_MBHC_HPHL_PLUG_TYPE_NO 1 +#define WCD934X_MBHC_GND_PLUG_TYPE_MASK BIT(3) +#define WCD934X_MBHC_GND_PLUG_TYPE_NO 1 +#define WCD934X_MBHC_HSL_PULLUP_COMP_EN BIT(2) +#define WCD934X_MBHC_HSG_PULLUP_COMP_EN BIT(1) +#define WCD934X_MBHC_HPHL_100K_TO_GND_EN BIT(0) #define WCD934X_ANA_MBHC_ELECT 0x0615 +#define WCD934X_ANA_MBHC_BIAS_EN_MASK BIT(0) +#define WCD934X_ANA_MBHC_BIAS_EN BIT(0) #define WCD934X_ANA_MBHC_ZDET 0x0616 #define WCD934X_ANA_MBHC_RESULT_1 0x0617 #define WCD934X_ANA_MBHC_RESULT_2 0x0618 #define WCD934X_ANA_MBHC_RESULT_3 0x0619 +#define WCD934X_ANA_MBHC_BTN0 0x061a +#define WCD934X_VTH_MASK GENMASK(7, 2) +#define WCD934X_ANA_MBHC_BTN1 0x061b +#define WCD934X_ANA_MBHC_BTN2 0x061c +#define WCD934X_ANA_MBHC_BTN3 0x061d +#define WCD934X_ANA_MBHC_BTN4 0x061e +#define WCD934X_ANA_MBHC_BTN5 0x061f +#define WCD934X_ANA_MBHC_BTN6 0x0620 +#define WCD934X_ANA_MBHC_BTN7 0x0621 +#define WCD934X_MBHC_BTN_VTH_MASK GENMASK(7, 2) #define WCD934X_ANA_MICB1 0x0622 #define WCD934X_MICB_VAL_MASK GENMASK(5, 0) #define WCD934X_ANA_MICB_EN_MASK GENMASK(7, 6) +#define WCD934X_MICB_DISABLE 0 +#define WCD934X_MICB_ENABLE 1 +#define WCD934X_MICB_PULL_UP 2 +#define WCD934X_MICB_PULL_DOWN 3 #define WCD934X_ANA_MICB_PULL_UP 0x80 #define WCD934X_ANA_MICB_ENABLE 0x40 #define WCD934X_ANA_MICB_DISABLE 0x0 #define WCD934X_ANA_MICB2 0x0623 +#define WCD934X_ANA_MICB2_ENABLE BIT(6) +#define WCD934X_ANA_MICB2_ENABLE_MASK GENMASK(7, 6) +#define WCD934X_ANA_MICB2_VOUT_MASK GENMASK(5, 0) +#define WCD934X_ANA_MICB2_RAMP 0x0624 +#define WCD934X_RAMP_EN_MASK BIT(7) +#define WCD934X_RAMP_SHIFT_CTRL_MASK GENMASK(4, 2) #define WCD934X_ANA_MICB3 0x0625 #define WCD934X_ANA_MICB4 0x0626 #define WCD934X_BIAS_VBG_FINE_ADJ 0x0629 +#define WCD934X_MBHC_CTL_CLK 0x0656 +#define WCD934X_MBHC_CTL_BCS 0x065a +#define WCD934X_MBHC_STATUS_SPARE_1 0x065b #define WCD934X_MICB1_TEST_CTL_1 0x066b #define WCD934X_MICB1_TEST_CTL_2 0x066c #define WCD934X_MICB2_TEST_CTL_1 0x066e @@ -141,7 +180,11 @@ #define WCD934X_HPH_CNP_WG_CTL 0x06cc #define WCD934X_HPH_GM3_BOOST_EN_MASK BIT(7) #define WCD934X_HPH_GM3_BOOST_ENABLE BIT(7) +#define WCD934X_HPH_CNP_WG_TIME 0x06cd #define WCD934X_HPH_OCP_CTL 0x06ce +#define WCD934X_HPH_PA_CTL2 0x06d2 +#define WCD934X_HPHPA_GND_R_MASK BIT(6) +#define WCD934X_HPHPA_GND_L_MASK BIT(4) #define WCD934X_HPH_L_EN 0x06d3 #define WCD934X_HPH_GAIN_SRC_SEL_MASK BIT(5) #define WCD934X_HPH_GAIN_SRC_SEL_COMPANDER 0 @@ -152,6 +195,8 @@ #define WCD934X_HPH_OCP_DET_MASK BIT(0) #define WCD934X_HPH_OCP_DET_ENABLE BIT(0) #define WCD934X_HPH_OCP_DET_DISABLE 0 +#define WCD934X_HPH_R_ATEST 0x06d8 +#define WCD934X_HPHPA_GND_OVR_MASK BIT(1) #define WCD934X_DIFF_LO_LO2_COMPANDER 0x06ea #define WCD934X_DIFF_LO_LO1_COMPANDER 0x06eb #define WCD934X_CLK_SYS_MCLK_PRG 0x0711 @@ -172,7 +217,19 @@ #define WCD934X_SIDO_NEW_VOUT_D_FREQ2 0x071e #define WCD934X_SIDO_RIPPLE_FREQ_EN_MASK BIT(0) #define WCD934X_SIDO_RIPPLE_FREQ_ENABLE BIT(0) +#define WCD934X_MBHC_NEW_CTL_1 0x0720 +#define WCD934X_MBHC_CTL_RCO_EN_MASK BIT(7) +#define WCD935X_MBHC_CTL_RCO_EN BIT(7) #define WCD934X_MBHC_NEW_CTL_2 0x0721 +#define WCD934X_M_RTH_CTL_MASK GENMASK(3, 2) +#define WCD934X_MBHC_NEW_PLUG_DETECT_CTL 0x0722 +#define WCD934X_HSDET_PULLUP_C_MASK GENMASK(7, 6) +#define WCD934X_MBHC_NEW_ZDET_ANA_CTL 0x0723 +#define WCD934X_ZDET_RANGE_CTL_MASK GENMASK(3, 0) +#define WCD934X_ZDET_MAXV_CTL_MASK GENMASK(6, 4) +#define WCD934X_MBHC_NEW_ZDET_RAMP_CTL 0x0724 +#define WCD934X_MBHC_NEW_FSM_STATUS 0x0725 +#define WCD934X_MBHC_NEW_ADC_RESULT 0x0726 #define WCD934X_TX_NEW_AMIC_4_5_SEL 0x0727 #define WCD934X_HPH_NEW_INT_RDAC_HD2_CTL_L 0x0733 #define WCD934X_HPH_NEW_INT_RDAC_OVERRIDE_CTL 0x0735 diff --git a/include/linux/mhi.h b/include/linux/mhi.h index 944aa3aa3035..723985879035 100644 --- a/include/linux/mhi.h +++ b/include/linux/mhi.h @@ -303,6 +303,7 @@ struct mhi_controller_config { * @rddm_size: RAM dump size that host should allocate for debugging purpose * @sbl_size: SBL image size downloaded through BHIe (optional) * @seg_len: BHIe vector size (optional) + * @reg_len: Length of the MHI MMIO region (required) * @fbc_image: Points to firmware image buffer * @rddm_image: Points to RAM dump buffer * @mhi_chan: Points to the channel configuration table @@ -356,6 +357,7 @@ struct mhi_controller_config { * @fbc_download: MHI host needs to do complete image transfer (optional) * @wake_set: Device wakeup set flag * @irq_flags: irq flags passed to request_irq (optional) + * @mru: the default MRU for the MHI device * * Fields marked as (required) need to be populated by the controller driver * before calling mhi_register_controller(). For the fields marked as (optional) @@ -386,6 +388,7 @@ struct mhi_controller { size_t rddm_size; size_t sbl_size; size_t seg_len; + size_t reg_len; struct image_info *fbc_image; struct image_info *rddm_image; struct mhi_chan *mhi_chan; @@ -448,6 +451,7 @@ struct mhi_controller { bool fbc_download; bool wake_set; unsigned long irq_flags; + u32 mru; }; /** diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h index 416ee6dd2574..3d43c60b49fa 100644 --- a/include/linux/micrel_phy.h +++ b/include/linux/micrel_phy.h @@ -39,10 +39,26 @@ /* struct phy_device dev_flags definitions */ #define MICREL_PHY_50MHZ_CLK 0x00000001 #define MICREL_PHY_FXEN 0x00000002 +#define MICREL_KSZ8_P1_ERRATA 0x00000003 #define MICREL_KSZ9021_EXTREG_CTRL 0xB #define MICREL_KSZ9021_EXTREG_DATA_WRITE 0xC #define MICREL_KSZ9021_RGMII_CLK_CTRL_PAD_SCEW 0x104 #define MICREL_KSZ9021_RGMII_RX_DATA_PAD_SCEW 0x105 +/* Device specific MII_BMCR (Reg 0) bits */ +/* 1 = HP Auto MDI/MDI-X mode, 0 = Microchip Auto MDI/MDI-X mode */ +#define KSZ886X_BMCR_HP_MDIX BIT(5) +/* 1 = Force MDI (transmit on RXP/RXM pins), 0 = Normal operation + * (transmit on TXP/TXM pins) + */ +#define KSZ886X_BMCR_FORCE_MDI BIT(4) +/* 1 = Disable auto MDI-X */ +#define KSZ886X_BMCR_DISABLE_AUTO_MDIX BIT(3) +#define KSZ886X_BMCR_DISABLE_FAR_END_FAULT BIT(2) +#define KSZ886X_BMCR_DISABLE_TRANSMIT BIT(1) +#define KSZ886X_BMCR_DISABLE_LED BIT(0) + +#define KSZ886X_CTRL_MDIX_STAT BIT(4) + #endif /* _MICREL_PHY_H */ diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 4bb4e519e3f5..c8077e936691 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -19,6 +19,11 @@ struct migration_target_control; */ #define MIGRATEPAGE_SUCCESS 0 +/* + * Keep sync with: + * - macro MIGRATE_REASON in include/trace/events/migrate.h + * - migrate_reason_names[MR_TYPES] in mm/debug.c + */ enum migrate_reason { MR_COMPACTION, MR_MEMORY_FAILURE, @@ -28,10 +33,10 @@ enum migrate_reason { MR_NUMA_MISPLACED, MR_CONTIG_RANGE, MR_LONGTERM_PIN, + MR_DEMOTION, MR_TYPES }; -/* In mm/debug.c; also keep sync with include/trace/events/migrate.h */ extern const char *migrate_reason_names[MR_TYPES]; #ifdef CONFIG_MIGRATION @@ -41,7 +46,8 @@ extern int migrate_page(struct address_space *mapping, struct page *newpage, struct page *page, enum migrate_mode mode); extern int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, - unsigned long private, enum migrate_mode mode, int reason); + unsigned long private, enum migrate_mode mode, int reason, + unsigned int *ret_succeeded); extern struct page *alloc_migration_target(struct page *page, unsigned long private); extern int isolate_movable_page(struct page *page, isolate_mode_t mode); @@ -56,7 +62,7 @@ extern int migrate_page_move_mapping(struct address_space *mapping, static inline void putback_movable_pages(struct list_head *l) {} static inline int migrate_pages(struct list_head *l, new_page_t new, free_page_t free, unsigned long private, enum migrate_mode mode, - int reason) + int reason, unsigned int *ret_succeeded) { return -ENOSYS; } static inline struct page *alloc_migration_target(struct page *page, unsigned long private) @@ -76,7 +82,6 @@ static inline int migrate_huge_page_move_mapping(struct address_space *mapping, { return -ENOSYS; } - #endif /* CONFIG_MIGRATION */ #ifdef CONFIG_COMPACTION @@ -95,14 +100,9 @@ static inline void __ClearPageMovable(struct page *page) #endif #ifdef CONFIG_NUMA_BALANCING -extern bool pmd_trans_migrating(pmd_t pmd); extern int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node); #else -static inline bool pmd_trans_migrating(pmd_t pmd) -{ - return false; -} static inline int migrate_misplaced_page(struct page *page, struct vm_area_struct *vma, int node) { @@ -110,24 +110,6 @@ static inline int migrate_misplaced_page(struct page *page, } #endif /* CONFIG_NUMA_BALANCING */ -#if defined(CONFIG_NUMA_BALANCING) && defined(CONFIG_TRANSPARENT_HUGEPAGE) -extern int migrate_misplaced_transhuge_page(struct mm_struct *mm, - struct vm_area_struct *vma, - pmd_t *pmd, pmd_t entry, - unsigned long address, - struct page *page, int node); -#else -static inline int migrate_misplaced_transhuge_page(struct mm_struct *mm, - struct vm_area_struct *vma, - pmd_t *pmd, pmd_t entry, - unsigned long address, - struct page *page, int node) -{ - return -EAGAIN; -} -#endif /* CONFIG_NUMA_BALANCING && CONFIG_TRANSPARENT_HUGEPAGE*/ - - #ifdef CONFIG_MIGRATION /* @@ -190,6 +172,14 @@ struct migrate_vma { int migrate_vma_setup(struct migrate_vma *args); void migrate_vma_pages(struct migrate_vma *migrate); void migrate_vma_finalize(struct migrate_vma *migrate); +int next_demotion_node(int node); + +#else /* CONFIG_MIGRATION disabled: */ + +static inline int next_demotion_node(int node) +{ + return NUMA_NO_NODE; +} #endif /* CONFIG_MIGRATION */ diff --git a/include/linux/mii.h b/include/linux/mii.h index 219b93cad1dd..12ea29e04293 100644 --- a/include/linux/mii.h +++ b/include/linux/mii.h @@ -32,7 +32,7 @@ struct mii_if_info { extern int mii_link_ok (struct mii_if_info *mii); extern int mii_nway_restart (struct mii_if_info *mii); -extern int mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); +extern void mii_ethtool_gset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); extern void mii_ethtool_get_link_ksettings( struct mii_if_info *mii, struct ethtool_link_ksettings *cmd); extern int mii_ethtool_sset(struct mii_if_info *mii, struct ethtool_cmd *ecmd); diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 578c4ccae91c..66eaf0aa7f69 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -1038,7 +1038,7 @@ enum { struct mlx5_mkey_seg { /* This is a two bit field occupying bits 31-30. * bit 31 is always 0, - * bit 30 is zero for regular MRs and 1 (e.g free) for UMRs that do not have tanslation + * bit 30 is zero for regular MRs and 1 (e.g free) for UMRs that do not have translation */ u8 status; u8 pcie_control; @@ -1157,6 +1157,9 @@ enum mlx5_cap_mode { HCA_CAP_OPMOD_GET_CUR = 1, }; +/* Any new cap addition must update mlx5_hca_caps_alloc() to allocate + * capability memory. + */ enum mlx5_cap_type { MLX5_CAP_GENERAL = 0, MLX5_CAP_ETHERNET_OFFLOADS, @@ -1179,6 +1182,7 @@ enum mlx5_cap_type { MLX5_CAP_VDPA_EMULATION = 0x13, MLX5_CAP_DEV_EVENT = 0x14, MLX5_CAP_IPSEC, + MLX5_CAP_GENERAL_2 = 0x20, /* NUM OF CAP Types */ MLX5_CAP_NUM }; @@ -1212,46 +1216,55 @@ enum mlx5_qcam_feature_groups { /* GET Dev Caps macros */ #define MLX5_CAP_GEN(mdev, cap) \ - MLX5_GET(cmd_hca_cap, mdev->caps.hca_cur[MLX5_CAP_GENERAL], cap) + MLX5_GET(cmd_hca_cap, mdev->caps.hca[MLX5_CAP_GENERAL]->cur, cap) #define MLX5_CAP_GEN_64(mdev, cap) \ - MLX5_GET64(cmd_hca_cap, mdev->caps.hca_cur[MLX5_CAP_GENERAL], cap) + MLX5_GET64(cmd_hca_cap, mdev->caps.hca[MLX5_CAP_GENERAL]->cur, cap) #define MLX5_CAP_GEN_MAX(mdev, cap) \ - MLX5_GET(cmd_hca_cap, mdev->caps.hca_max[MLX5_CAP_GENERAL], cap) + MLX5_GET(cmd_hca_cap, mdev->caps.hca[MLX5_CAP_GENERAL]->max, cap) + +#define MLX5_CAP_GEN_2(mdev, cap) \ + MLX5_GET(cmd_hca_cap_2, mdev->caps.hca[MLX5_CAP_GENERAL_2]->cur, cap) + +#define MLX5_CAP_GEN_2_64(mdev, cap) \ + MLX5_GET64(cmd_hca_cap_2, mdev->caps.hca[MLX5_CAP_GENERAL_2]->cur, cap) + +#define MLX5_CAP_GEN_2_MAX(mdev, cap) \ + MLX5_GET(cmd_hca_cap_2, mdev->caps.hca[MLX5_CAP_GENERAL_2]->max, cap) #define MLX5_CAP_ETH(mdev, cap) \ MLX5_GET(per_protocol_networking_offload_caps,\ - mdev->caps.hca_cur[MLX5_CAP_ETHERNET_OFFLOADS], cap) + mdev->caps.hca[MLX5_CAP_ETHERNET_OFFLOADS]->cur, cap) #define MLX5_CAP_ETH_MAX(mdev, cap) \ MLX5_GET(per_protocol_networking_offload_caps,\ - mdev->caps.hca_max[MLX5_CAP_ETHERNET_OFFLOADS], cap) + mdev->caps.hca[MLX5_CAP_ETHERNET_OFFLOADS]->max, cap) #define MLX5_CAP_IPOIB_ENHANCED(mdev, cap) \ MLX5_GET(per_protocol_networking_offload_caps,\ - mdev->caps.hca_cur[MLX5_CAP_IPOIB_ENHANCED_OFFLOADS], cap) + mdev->caps.hca[MLX5_CAP_IPOIB_ENHANCED_OFFLOADS]->cur, cap) #define MLX5_CAP_ROCE(mdev, cap) \ - MLX5_GET(roce_cap, mdev->caps.hca_cur[MLX5_CAP_ROCE], cap) + MLX5_GET(roce_cap, mdev->caps.hca[MLX5_CAP_ROCE]->cur, cap) #define MLX5_CAP_ROCE_MAX(mdev, cap) \ - MLX5_GET(roce_cap, mdev->caps.hca_max[MLX5_CAP_ROCE], cap) + MLX5_GET(roce_cap, mdev->caps.hca[MLX5_CAP_ROCE]->max, cap) #define MLX5_CAP_ATOMIC(mdev, cap) \ - MLX5_GET(atomic_caps, mdev->caps.hca_cur[MLX5_CAP_ATOMIC], cap) + MLX5_GET(atomic_caps, mdev->caps.hca[MLX5_CAP_ATOMIC]->cur, cap) #define MLX5_CAP_ATOMIC_MAX(mdev, cap) \ - MLX5_GET(atomic_caps, mdev->caps.hca_max[MLX5_CAP_ATOMIC], cap) + MLX5_GET(atomic_caps, mdev->caps.hca[MLX5_CAP_ATOMIC]->max, cap) #define MLX5_CAP_FLOWTABLE(mdev, cap) \ - MLX5_GET(flow_table_nic_cap, mdev->caps.hca_cur[MLX5_CAP_FLOW_TABLE], cap) + MLX5_GET(flow_table_nic_cap, mdev->caps.hca[MLX5_CAP_FLOW_TABLE]->cur, cap) #define MLX5_CAP64_FLOWTABLE(mdev, cap) \ - MLX5_GET64(flow_table_nic_cap, (mdev)->caps.hca_cur[MLX5_CAP_FLOW_TABLE], cap) + MLX5_GET64(flow_table_nic_cap, (mdev)->caps.hca[MLX5_CAP_FLOW_TABLE]->cur, cap) #define MLX5_CAP_FLOWTABLE_MAX(mdev, cap) \ - MLX5_GET(flow_table_nic_cap, mdev->caps.hca_max[MLX5_CAP_FLOW_TABLE], cap) + MLX5_GET(flow_table_nic_cap, mdev->caps.hca[MLX5_CAP_FLOW_TABLE]->max, cap) #define MLX5_CAP_FLOWTABLE_NIC_RX(mdev, cap) \ MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.cap) @@ -1291,11 +1304,11 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_ESW_FLOWTABLE(mdev, cap) \ MLX5_GET(flow_table_eswitch_cap, \ - mdev->caps.hca_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH_FLOW_TABLE]->cur, cap) #define MLX5_CAP_ESW_FLOWTABLE_MAX(mdev, cap) \ MLX5_GET(flow_table_eswitch_cap, \ - mdev->caps.hca_max[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH_FLOW_TABLE]->max, cap) #define MLX5_CAP_ESW_FLOWTABLE_FDB(mdev, cap) \ MLX5_CAP_ESW_FLOWTABLE(mdev, flow_table_properties_nic_esw_fdb.cap) @@ -1317,31 +1330,31 @@ enum mlx5_qcam_feature_groups { #define MLX5_CAP_ESW(mdev, cap) \ MLX5_GET(e_switch_cap, \ - mdev->caps.hca_cur[MLX5_CAP_ESWITCH], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH]->cur, cap) #define MLX5_CAP64_ESW_FLOWTABLE(mdev, cap) \ MLX5_GET64(flow_table_eswitch_cap, \ - (mdev)->caps.hca_cur[MLX5_CAP_ESWITCH_FLOW_TABLE], cap) + (mdev)->caps.hca[MLX5_CAP_ESWITCH_FLOW_TABLE]->cur, cap) #define MLX5_CAP_ESW_MAX(mdev, cap) \ MLX5_GET(e_switch_cap, \ - mdev->caps.hca_max[MLX5_CAP_ESWITCH], cap) + mdev->caps.hca[MLX5_CAP_ESWITCH]->max, cap) #define MLX5_CAP_ODP(mdev, cap)\ - MLX5_GET(odp_cap, mdev->caps.hca_cur[MLX5_CAP_ODP], cap) + MLX5_GET(odp_cap, mdev->caps.hca[MLX5_CAP_ODP]->cur, cap) #define MLX5_CAP_ODP_MAX(mdev, cap)\ - MLX5_GET(odp_cap, mdev->caps.hca_max[MLX5_CAP_ODP], cap) + MLX5_GET(odp_cap, mdev->caps.hca[MLX5_CAP_ODP]->max, cap) #define MLX5_CAP_VECTOR_CALC(mdev, cap) \ MLX5_GET(vector_calc_cap, \ - mdev->caps.hca_cur[MLX5_CAP_VECTOR_CALC], cap) + mdev->caps.hca[MLX5_CAP_VECTOR_CALC]->cur, cap) #define MLX5_CAP_QOS(mdev, cap)\ - MLX5_GET(qos_cap, mdev->caps.hca_cur[MLX5_CAP_QOS], cap) + MLX5_GET(qos_cap, mdev->caps.hca[MLX5_CAP_QOS]->cur, cap) #define MLX5_CAP_DEBUG(mdev, cap)\ - MLX5_GET(debug_cap, mdev->caps.hca_cur[MLX5_CAP_DEBUG], cap) + MLX5_GET(debug_cap, mdev->caps.hca[MLX5_CAP_DEBUG]->cur, cap) #define MLX5_CAP_PCAM_FEATURE(mdev, fld) \ MLX5_GET(pcam_reg, (mdev)->caps.pcam, feature_cap_mask.enhanced_features.fld) @@ -1377,27 +1390,27 @@ enum mlx5_qcam_feature_groups { MLX5_GET64(fpga_cap, (mdev)->caps.fpga, cap) #define MLX5_CAP_DEV_MEM(mdev, cap)\ - MLX5_GET(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap) + MLX5_GET(device_mem_cap, mdev->caps.hca[MLX5_CAP_DEV_MEM]->cur, cap) #define MLX5_CAP64_DEV_MEM(mdev, cap)\ - MLX5_GET64(device_mem_cap, mdev->caps.hca_cur[MLX5_CAP_DEV_MEM], cap) + MLX5_GET64(device_mem_cap, mdev->caps.hca[MLX5_CAP_DEV_MEM]->cur, cap) #define MLX5_CAP_TLS(mdev, cap) \ - MLX5_GET(tls_cap, (mdev)->caps.hca_cur[MLX5_CAP_TLS], cap) + MLX5_GET(tls_cap, (mdev)->caps.hca[MLX5_CAP_TLS]->cur, cap) #define MLX5_CAP_DEV_EVENT(mdev, cap)\ - MLX5_ADDR_OF(device_event_cap, (mdev)->caps.hca_cur[MLX5_CAP_DEV_EVENT], cap) + MLX5_ADDR_OF(device_event_cap, (mdev)->caps.hca[MLX5_CAP_DEV_EVENT]->cur, cap) #define MLX5_CAP_DEV_VDPA_EMULATION(mdev, cap)\ MLX5_GET(virtio_emulation_cap, \ - (mdev)->caps.hca_cur[MLX5_CAP_VDPA_EMULATION], cap) + (mdev)->caps.hca[MLX5_CAP_VDPA_EMULATION]->cur, cap) #define MLX5_CAP64_DEV_VDPA_EMULATION(mdev, cap)\ MLX5_GET64(virtio_emulation_cap, \ - (mdev)->caps.hca_cur[MLX5_CAP_VDPA_EMULATION], cap) + (mdev)->caps.hca[MLX5_CAP_VDPA_EMULATION]->cur, cap) #define MLX5_CAP_IPSEC(mdev, cap)\ - MLX5_GET(ipsec_cap, (mdev)->caps.hca_cur[MLX5_CAP_IPSEC], cap) + MLX5_GET(ipsec_cap, (mdev)->caps.hca[MLX5_CAP_IPSEC]->cur, cap) enum { MLX5_CMD_STAT_OK = 0x0, diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index f8902bcd91e2..f17d2101af7a 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -554,6 +554,7 @@ struct mlx5_adev { int idx; }; +struct mlx5_ft_pool; struct mlx5_priv { /* IRQ table valid only for real pci devices PF or VF */ struct mlx5_irq_table *irq_table; @@ -580,7 +581,7 @@ struct mlx5_priv { /* end: qp staff */ /* start: alloc staff */ - /* protect buffer alocation according to numa node */ + /* protect buffer allocation according to numa node */ struct mutex alloc_mutex; int numa_node; @@ -606,6 +607,7 @@ struct mlx5_priv { struct mlx5_core_roce roce; struct mlx5_fc_stats fc_stats; struct mlx5_rl_table rl_table; + struct mlx5_ft_pool *ft_pool; struct mlx5_bfreg_data bfregs; struct mlx5_uars_page *uar; @@ -621,8 +623,7 @@ struct mlx5_priv { }; enum mlx5_device_state { - MLX5_DEVICE_STATE_UNINITIALIZED, - MLX5_DEVICE_STATE_UP, + MLX5_DEVICE_STATE_UP = 1, MLX5_DEVICE_STATE_INTERNAL_ERROR, }; @@ -728,6 +729,11 @@ struct mlx5_profile { } mr_cache[MAX_MR_CACHE_ENTRIES]; }; +struct mlx5_hca_cap { + u32 cur[MLX5_UN_SZ_DW(hca_cap_union)]; + u32 max[MLX5_UN_SZ_DW(hca_cap_union)]; +}; + struct mlx5_core_dev { struct device *device; enum mlx5_coredev_type coredev_type; @@ -739,8 +745,7 @@ struct mlx5_core_dev { char board_id[MLX5_BOARD_ID_LEN]; struct mlx5_cmd cmd; struct { - u32 hca_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; - u32 hca_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)]; + struct mlx5_hca_cap *hca[MLX5_CAP_NUM]; u32 pcam[MLX5_ST_SZ_DW(pcam_reg)]; u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)]; u32 fpga[MLX5_ST_SZ_DW(fpga_cap)]; @@ -1042,8 +1047,7 @@ void mlx5_unregister_debugfs(void); void mlx5_fill_page_array(struct mlx5_frag_buf *buf, __be64 *pas); void mlx5_fill_page_frag_array_perm(struct mlx5_frag_buf *buf, __be64 *pas, u8 perm); void mlx5_fill_page_frag_array(struct mlx5_frag_buf *frag_buf, __be64 *pas); -int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn, - unsigned int *irqn); +int mlx5_vector2eqn(struct mlx5_core_dev *dev, int vector, int *eqn); int mlx5_core_attach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); int mlx5_core_detach_mcg(struct mlx5_core_dev *dev, union ib_gid *mgid, u32 qpn); @@ -1109,7 +1113,7 @@ static inline u8 mlx5_mkey_variant(u32 mkey) } /* Async-atomic event notifier used by mlx5 core to forward FW - * evetns recived from event queue to mlx5 consumers. + * evetns received from event queue to mlx5 consumers. * Optimise event queue dipatching. */ int mlx5_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb); @@ -1134,8 +1138,9 @@ int mlx5_cmd_create_vport_lag(struct mlx5_core_dev *dev); int mlx5_cmd_destroy_vport_lag(struct mlx5_core_dev *dev); bool mlx5_lag_is_roce(struct mlx5_core_dev *dev); bool mlx5_lag_is_sriov(struct mlx5_core_dev *dev); -bool mlx5_lag_is_multipath(struct mlx5_core_dev *dev); bool mlx5_lag_is_active(struct mlx5_core_dev *dev); +bool mlx5_lag_is_master(struct mlx5_core_dev *dev); +bool mlx5_lag_is_shared_fdb(struct mlx5_core_dev *dev); struct net_device *mlx5_lag_get_roce_netdev(struct mlx5_core_dev *dev); u8 mlx5_lag_get_slave_port(struct mlx5_core_dev *dev, struct net_device *slave); @@ -1143,6 +1148,7 @@ int mlx5_lag_query_cong_counters(struct mlx5_core_dev *dev, u64 *values, int num_counters, size_t *offsets); +struct mlx5_core_dev *mlx5_lag_get_peer_mdev(struct mlx5_core_dev *dev); struct mlx5_uars_page *mlx5_get_uars_page(struct mlx5_core_dev *mdev); void mlx5_put_uars_page(struct mlx5_core_dev *mdev, struct mlx5_uars_page *up); int mlx5_dm_sw_icm_alloc(struct mlx5_core_dev *dev, enum mlx5_sw_icm_type type, diff --git a/include/linux/mlx5/eq.h b/include/linux/mlx5/eq.h index e49d8c0d4f26..cea6ecb4b73e 100644 --- a/include/linux/mlx5/eq.h +++ b/include/linux/mlx5/eq.h @@ -16,6 +16,7 @@ struct mlx5_eq_param { u8 irq_index; int nent; u64 mask[4]; + cpumask_var_t affinity; }; struct mlx5_eq * diff --git a/include/linux/mlx5/eswitch.h b/include/linux/mlx5/eswitch.h index 17109b65c1ac..4ab5c1fc1270 100644 --- a/include/linux/mlx5/eswitch.h +++ b/include/linux/mlx5/eswitch.h @@ -29,11 +29,20 @@ enum { REP_LOADED, }; +enum mlx5_switchdev_event { + MLX5_SWITCHDEV_EVENT_PAIR, + MLX5_SWITCHDEV_EVENT_UNPAIR, +}; + struct mlx5_eswitch_rep; struct mlx5_eswitch_rep_ops { int (*load)(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep); void (*unload)(struct mlx5_eswitch_rep *rep); void *(*get_proto_dev)(struct mlx5_eswitch_rep *rep); + int (*event)(struct mlx5_eswitch *esw, + struct mlx5_eswitch_rep *rep, + enum mlx5_switchdev_event event, + void *data); }; struct mlx5_eswitch_rep_data { @@ -63,6 +72,7 @@ struct mlx5_eswitch_rep *mlx5_eswitch_vport_rep(struct mlx5_eswitch *esw, void *mlx5_eswitch_uplink_get_proto_dev(struct mlx5_eswitch *esw, u8 rep_type); struct mlx5_flow_handle * mlx5_eswitch_add_send_to_vport_rule(struct mlx5_eswitch *on_esw, + struct mlx5_eswitch *from_esw, struct mlx5_eswitch_rep *rep, u32 sqn); #ifdef CONFIG_MLX5_ESWITCH @@ -98,10 +108,11 @@ u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw, u16 vport_num); /* Reg C1 usage: - * Reg C1 = < ESW_TUN_ID(12) | ESW_TUN_OPTS(12) | ESW_ZONE_ID(8) > + * Reg C1 = < Reserved(1) | ESW_TUN_ID(12) | ESW_TUN_OPTS(11) | ESW_ZONE_ID(8) > * - * Highest 12 bits of reg c1 is the encapsulation tunnel id, next 12 bits is - * encapsulation tunnel options, and the lowest 8 bits are used for zone id. + * Highest bit is reserved for other offloads as marker bit, next 12 bits of reg c1 + * is the encapsulation tunnel id, next 11 bits is encapsulation tunnel options, + * and the lowest 8 bits are used for zone id. * * Zone id is used to restore CT flow when packet misses on chain. * @@ -109,22 +120,25 @@ u32 mlx5_eswitch_get_vport_metadata_for_set(struct mlx5_eswitch *esw, * on miss and to support inner header rewrite by means of implicit chain 0 * flows. */ +#define ESW_RESERVED_BITS 1 #define ESW_ZONE_ID_BITS 8 -#define ESW_TUN_OPTS_BITS 12 +#define ESW_TUN_OPTS_BITS 11 #define ESW_TUN_ID_BITS 12 #define ESW_TUN_OPTS_OFFSET ESW_ZONE_ID_BITS #define ESW_TUN_OFFSET ESW_TUN_OPTS_OFFSET #define ESW_ZONE_ID_MASK GENMASK(ESW_ZONE_ID_BITS - 1, 0) -#define ESW_TUN_OPTS_MASK GENMASK(32 - ESW_TUN_ID_BITS - 1, ESW_TUN_OPTS_OFFSET) -#define ESW_TUN_MASK GENMASK(31, ESW_TUN_OFFSET) +#define ESW_TUN_OPTS_MASK GENMASK(31 - ESW_TUN_ID_BITS - ESW_RESERVED_BITS, ESW_TUN_OPTS_OFFSET) +#define ESW_TUN_MASK GENMASK(31 - ESW_RESERVED_BITS, ESW_TUN_OFFSET) #define ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT 0 /* 0 is not a valid tunnel id */ -#define ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT 0xFFF /* 0xFFF is a reserved mapping */ +/* 0x7FF is a reserved mapping */ +#define ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT GENMASK(ESW_TUN_OPTS_BITS - 1, 0) #define ESW_TUN_SLOW_TABLE_GOTO_VPORT ((ESW_TUN_ID_SLOW_TABLE_GOTO_VPORT << ESW_TUN_OPTS_BITS) | \ ESW_TUN_OPTS_SLOW_TABLE_GOTO_VPORT) #define ESW_TUN_SLOW_TABLE_GOTO_VPORT_MARK ESW_TUN_OPTS_MASK u8 mlx5_eswitch_mode(struct mlx5_core_dev *dev); u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev); +struct mlx5_core_dev *mlx5_eswitch_get_core_dev(struct mlx5_eswitch *esw); #else /* CONFIG_MLX5_ESWITCH */ @@ -168,6 +182,11 @@ static inline u16 mlx5_eswitch_get_total_vports(const struct mlx5_core_dev *dev) return 0; } +static inline struct mlx5_core_dev *mlx5_eswitch_get_core_dev(struct mlx5_eswitch *esw) +{ + return NULL; +} + #endif /* CONFIG_MLX5_ESWITCH */ static inline bool is_mdev_switchdev_mode(struct mlx5_core_dev *dev) diff --git a/include/linux/mlx5/fs.h b/include/linux/mlx5/fs.h index 1f51f4c3b1af..0106c67e8ccb 100644 --- a/include/linux/mlx5/fs.h +++ b/include/linux/mlx5/fs.h @@ -38,6 +38,8 @@ #define MLX5_FS_DEFAULT_FLOW_TAG 0x0 +#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v) + enum { MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO = 1 << 16, MLX5_FLOW_CONTEXT_ACTION_ENCRYPT = 1 << 17, @@ -87,6 +89,8 @@ enum { FDB_BYPASS_PATH, FDB_TC_OFFLOAD, FDB_FT_OFFLOAD, + FDB_TC_MISS, + FDB_BR_OFFLOAD, FDB_SLOW_PATH, FDB_PER_VPORT, }; @@ -254,10 +258,16 @@ struct mlx5_modify_hdr *mlx5_modify_header_alloc(struct mlx5_core_dev *dev, void mlx5_modify_header_dealloc(struct mlx5_core_dev *dev, struct mlx5_modify_hdr *modify_hdr); +struct mlx5_pkt_reformat_params { + int type; + u8 param_0; + u8 param_1; + size_t size; + void *data; +}; + struct mlx5_pkt_reformat *mlx5_packet_reformat_alloc(struct mlx5_core_dev *dev, - int reformat_type, - size_t size, - void *reformat_data, + struct mlx5_pkt_reformat_params *params, enum mlx5_flow_namespace_type ns_type); void mlx5_packet_reformat_dealloc(struct mlx5_core_dev *dev, struct mlx5_pkt_reformat *reformat); diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index eb86e80e4643..993204a6c1a1 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -435,7 +435,10 @@ struct mlx5_ifc_flow_table_prop_layout_bits { u8 reserved_at_40[0x20]; - u8 reserved_at_60[0x18]; + u8 reserved_at_60[0x2]; + u8 reformat_insert[0x1]; + u8 reformat_remove[0x1]; + u8 reserver_at_64[0x14]; u8 log_max_ft_num[0x8]; u8 reserved_at_80[0x10]; @@ -862,7 +865,8 @@ struct mlx5_ifc_qos_cap_bits { u8 nic_bw_share[0x1]; u8 nic_rate_limit[0x1]; u8 packet_pacing_uid[0x1]; - u8 reserved_at_c[0x14]; + u8 log_esw_max_sched_depth[0x4]; + u8 reserved_at_10[0x10]; u8 reserved_at_20[0xb]; u8 log_max_qos_nic_queue_group[0x5]; @@ -918,7 +922,8 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 scatter_fcs[0x1]; u8 enhanced_multi_pkt_send_wqe[0x1]; u8 tunnel_lso_const_out_ip_id[0x1]; - u8 reserved_at_1c[0x2]; + u8 tunnel_lro_gre[0x1]; + u8 tunnel_lro_vxlan[0x1]; u8 tunnel_stateless_gre[0x1]; u8 tunnel_stateless_vxlan[0x1]; @@ -953,9 +958,9 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { }; enum { - MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, - MLX5_QP_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, - MLX5_QP_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, + MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, + MLX5_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, + MLX5_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, }; struct mlx5_ifc_roce_cap_bits { @@ -1296,23 +1301,12 @@ enum { MLX5_STEERING_FORMAT_CONNECTX_6DX = 1, }; -enum { - MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, - MLX5_SQ_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, - MLX5_SQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, -}; - -enum { - MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING = 0x0, - MLX5_RQ_TIMESTAMP_FORMAT_CAP_REAL_TIME = 0x1, - MLX5_RQ_TIMESTAMP_FORMAT_CAP_FREE_RUNNING_AND_REAL_TIME = 0x2, -}; - struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_0[0x1f]; u8 vhca_resource_manager[0x1]; - u8 reserved_at_20[0x3]; + u8 hca_cap_2[0x1]; + u8 reserved_at_21[0x2]; u8 event_on_vhca_state_teardown_request[0x1]; u8 event_on_vhca_state_in_use[0x1]; u8 event_on_vhca_state_active[0x1]; @@ -1520,7 +1514,9 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 uar_4k[0x1]; u8 reserved_at_241[0x9]; u8 uar_sz[0x6]; - u8 reserved_at_250[0x8]; + u8 reserved_at_248[0x2]; + u8 umem_uid_0[0x1]; + u8 reserved_at_250[0x5]; u8 log_pg_sz[0x8]; u8 bf[0x1]; @@ -1657,7 +1653,13 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 max_geneve_tlv_option_data_len[0x5]; u8 reserved_at_570[0x10]; - u8 reserved_at_580[0x33]; + u8 reserved_at_580[0xb]; + u8 log_max_dci_stream_channels[0x5]; + u8 reserved_at_590[0x3]; + u8 log_max_dci_errored_streams[0x5]; + u8 reserved_at_598[0x8]; + + u8 reserved_at_5a0[0x13]; u8 log_max_dek[0x5]; u8 reserved_at_5b8[0x4]; u8 mini_cqe_resp_stride_index[0x1]; @@ -1732,6 +1734,17 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 reserved_at_7c0[0x40]; }; +struct mlx5_ifc_cmd_hca_cap_2_bits { + u8 reserved_at_0[0xa0]; + + u8 max_reformat_insert_size[0x8]; + u8 max_reformat_insert_offset[0x8]; + u8 max_reformat_remove_size[0x8]; + u8 max_reformat_remove_offset[0x8]; + + u8 reserved_at_c0[0x740]; +}; + enum mlx5_flow_destination_type { MLX5_FLOW_DESTINATION_TYPE_VPORT = 0x0, MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE = 0x1, @@ -2944,9 +2957,9 @@ enum { }; enum { - MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, - MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT = 0x1, - MLX5_QPC_TIMESTAMP_FORMAT_REAL_TIME = 0x2, + MLX5_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, + MLX5_TIMESTAMP_FORMAT_DEFAULT = 0x1, + MLX5_TIMESTAMP_FORMAT_REAL_TIME = 0x2, }; struct mlx5_ifc_qpc_bits { @@ -3015,10 +3028,12 @@ struct mlx5_ifc_qpc_bits { u8 reserved_at_3c0[0x8]; u8 next_send_psn[0x18]; - u8 reserved_at_3e0[0x8]; + u8 reserved_at_3e0[0x3]; + u8 log_num_dci_stream_channels[0x5]; u8 cqn_snd[0x18]; - u8 reserved_at_400[0x8]; + u8 reserved_at_400[0x3]; + u8 log_num_dci_errored_streams[0x5]; u8 deth_sqpn[0x18]; u8 reserved_at_420[0x20]; @@ -3105,6 +3120,7 @@ struct mlx5_ifc_roce_addr_layout_bits { union mlx5_ifc_hca_cap_union_bits { struct mlx5_ifc_cmd_hca_cap_bits cmd_hca_cap; + struct mlx5_ifc_cmd_hca_cap_2_bits cmd_hca_cap_2; struct mlx5_ifc_odp_cap_bits odp_cap; struct mlx5_ifc_atomic_caps_bits atomic_caps; struct mlx5_ifc_roce_cap_bits roce_cap; @@ -3396,12 +3412,6 @@ enum { MLX5_SQC_STATE_ERR = 0x3, }; -enum { - MLX5_SQC_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, - MLX5_SQC_TIMESTAMP_FORMAT_DEFAULT = 0x1, - MLX5_SQC_TIMESTAMP_FORMAT_REAL_TIME = 0x2, -}; - struct mlx5_ifc_sqc_bits { u8 rlky[0x1]; u8 cd_master[0x1]; @@ -3507,12 +3517,6 @@ enum { MLX5_RQC_STATE_ERR = 0x3, }; -enum { - MLX5_RQC_TIMESTAMP_FORMAT_FREE_RUNNING = 0x0, - MLX5_RQC_TIMESTAMP_FORMAT_DEFAULT = 0x1, - MLX5_RQC_TIMESTAMP_FORMAT_REAL_TIME = 0x2, -}; - struct mlx5_ifc_rqc_bits { u8 rlky[0x1]; u8 delay_drop_en[0x1]; @@ -3790,8 +3794,8 @@ struct mlx5_ifc_eqc_bits { u8 reserved_at_80[0x20]; - u8 reserved_at_a0[0x18]; - u8 intr[0x8]; + u8 reserved_at_a0[0x14]; + u8 intr[0xc]; u8 reserved_at_c0[0x3]; u8 log_page_size[0x5]; @@ -3917,7 +3921,7 @@ struct mlx5_ifc_cqc_bits { u8 status[0x4]; u8 reserved_at_4[0x2]; u8 dbr_umem_valid[0x1]; - u8 apu_thread_cq[0x1]; + u8 apu_cq[0x1]; u8 cqe_sz[0x3]; u8 cc[0x1]; u8 reserved_at_c[0x1]; @@ -3943,8 +3947,7 @@ struct mlx5_ifc_cqc_bits { u8 cq_period[0xc]; u8 cq_max_count[0x10]; - u8 reserved_at_a0[0x18]; - u8 c_eqn[0x8]; + u8 c_eqn_or_apu_element[0x20]; u8 reserved_at_c0[0x3]; u8 log_page_size[0x5]; @@ -5785,12 +5788,14 @@ struct mlx5_ifc_query_eq_in_bits { }; struct mlx5_ifc_packet_reformat_context_in_bits { - u8 reserved_at_0[0x5]; - u8 reformat_type[0x3]; - u8 reserved_at_8[0xe]; + u8 reformat_type[0x8]; + u8 reserved_at_8[0x4]; + u8 reformat_param_0[0x4]; + u8 reserved_at_10[0x6]; u8 reformat_data_size[0xa]; - u8 reserved_at_20[0x10]; + u8 reformat_param_1[0x8]; + u8 reserved_at_28[0x8]; u8 reformat_data[2][0x8]; u8 more_reformat_data[][0x8]; @@ -5830,12 +5835,20 @@ struct mlx5_ifc_alloc_packet_reformat_context_out_bits { u8 reserved_at_60[0x20]; }; +enum { + MLX5_REFORMAT_CONTEXT_ANCHOR_MAC_START = 0x1, + MLX5_REFORMAT_CONTEXT_ANCHOR_IP_START = 0x7, + MLX5_REFORMAT_CONTEXT_ANCHOR_TCP_UDP_START = 0x9, +}; + enum mlx5_reformat_ctx_type { MLX5_REFORMAT_TYPE_L2_TO_VXLAN = 0x0, MLX5_REFORMAT_TYPE_L2_TO_NVGRE = 0x1, MLX5_REFORMAT_TYPE_L2_TO_L2_TUNNEL = 0x2, MLX5_REFORMAT_TYPE_L3_TUNNEL_TO_L2 = 0x3, MLX5_REFORMAT_TYPE_L2_TO_L3_TUNNEL = 0x4, + MLX5_REFORMAT_TYPE_INSERT_HDR = 0xf, + MLX5_REFORMAT_TYPE_REMOVE_HDR = 0x10, }; struct mlx5_ifc_alloc_packet_reformat_context_in_bits { @@ -5956,6 +5969,8 @@ enum { MLX5_ACTION_IN_FIELD_OUT_TCP_SEQ_NUM = 0x59, MLX5_ACTION_IN_FIELD_OUT_TCP_ACK_NUM = 0x5B, MLX5_ACTION_IN_FIELD_IPSEC_SYNDROME = 0x5D, + MLX5_ACTION_IN_FIELD_OUT_EMD_47_32 = 0x6F, + MLX5_ACTION_IN_FIELD_OUT_EMD_31_0 = 0x70, }; struct mlx5_ifc_alloc_modify_header_context_out_bits { @@ -9460,16 +9475,22 @@ struct mlx5_ifc_pcmr_reg_bits { u8 reserved_at_0[0x8]; u8 local_port[0x8]; u8 reserved_at_10[0x10]; + u8 entropy_force_cap[0x1]; u8 entropy_calc_cap[0x1]; u8 entropy_gre_calc_cap[0x1]; - u8 reserved_at_23[0x1b]; + u8 reserved_at_23[0xf]; + u8 rx_ts_over_crc_cap[0x1]; + u8 reserved_at_33[0xb]; u8 fcs_cap[0x1]; u8 reserved_at_3f[0x1]; + u8 entropy_force[0x1]; u8 entropy_calc[0x1]; u8 entropy_gre_calc[0x1]; - u8 reserved_at_43[0x1b]; + u8 reserved_at_43[0xf]; + u8 rx_ts_over_crc[0x1]; + u8 reserved_at_53[0xb]; u8 fcs_chk[0x1]; u8 reserved_at_5f[0x1]; }; @@ -11055,6 +11076,11 @@ struct mlx5_ifc_create_sampler_obj_in_bits { struct mlx5_ifc_sampler_obj_bits sampler_object; }; +struct mlx5_ifc_query_sampler_obj_out_bits { + struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr; + struct mlx5_ifc_sampler_obj_bits sampler_object; +}; + enum { MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_KEY_SIZE_128 = 0x0, MLX5_GENERAL_OBJECT_TYPE_ENCRYPTION_KEY_KEY_SIZE_256 = 0x1, diff --git a/include/linux/mlx5/mlx5_ifc_vdpa.h b/include/linux/mlx5/mlx5_ifc_vdpa.h index 98b56b75c625..1a9c9d94cb59 100644 --- a/include/linux/mlx5/mlx5_ifc_vdpa.h +++ b/include/linux/mlx5/mlx5_ifc_vdpa.h @@ -11,13 +11,15 @@ enum { }; enum { - MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT = 0x1, // do I check this caps? - MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED = 0x2, + MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT = 0, + MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED = 1, }; enum { - MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT = 0, - MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED = 1, + MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_SPLIT = + BIT(MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_SPLIT), + MLX5_VIRTIO_EMULATION_CAP_VIRTIO_QUEUE_TYPE_PACKED = + BIT(MLX5_VIRTIO_EMULATION_VIRTIO_QUEUE_TYPE_PACKED), }; struct mlx5_ifc_virtio_q_bits { diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index b7deb790f257..61e48d459b23 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -550,8 +550,8 @@ static inline const char *mlx5_qp_state_str(int state) static inline int mlx5_get_qp_default_ts(struct mlx5_core_dev *dev) { return !MLX5_CAP_ROCE(dev, qp_ts_format) ? - MLX5_QPC_TIMESTAMP_FORMAT_FREE_RUNNING : - MLX5_QPC_TIMESTAMP_FORMAT_DEFAULT; + MLX5_TIMESTAMP_FORMAT_FREE_RUNNING : + MLX5_TIMESTAMP_FORMAT_DEFAULT; } #endif /* MLX5_QP_H */ diff --git a/include/linux/mm.h b/include/linux/mm.h index 8ae31622deef..73a52aba448f 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -46,7 +46,7 @@ extern int sysctl_page_lock_unfairness; void init_mm_internals(void); -#ifndef CONFIG_NEED_MULTIPLE_NODES /* Don't use mapnrs, do it properly */ +#ifndef CONFIG_NUMA /* Don't use mapnrs, do it properly */ extern unsigned long max_mapnr; static inline void set_max_mapnr(unsigned long limit) @@ -125,16 +125,6 @@ extern int mmap_rnd_compat_bits __read_mostly; #endif /* - * With CONFIG_CFI_CLANG, the compiler replaces function addresses in - * instrumented C code with jump table addresses. Architectures that - * support CFI can define this macro to return the actual function address - * when needed. - */ -#ifndef function_nocfi -#define function_nocfi(x) (x) -#endif - -/* * To prevent common memory management code establishing * a zero page mapping on a read fault. * This macro should be defined within <asm/pgtable.h>. @@ -155,7 +145,7 @@ extern int mmap_rnd_compat_bits __read_mostly; /* This function must be updated when the size of struct page grows above 80 * or reduces below 56. The idea that compiler optimizes out switch() * statement, and only leaves move/store instructions. Also the compiler can - * combine write statments if they are both assignments and can be reordered, + * combine write statements if they are both assignments and can be reordered, * this can result in several of the writes here being dropped. */ #define mm_zero_struct_page(pp) __mm_zero_struct_page(pp) @@ -234,7 +224,11 @@ int overcommit_policy_handler(struct ctl_table *, int, void *, size_t *, int __add_to_page_cache_locked(struct page *page, struct address_space *mapping, pgoff_t index, gfp_t gfp, void **shadowp); +#if defined(CONFIG_SPARSEMEM) && !defined(CONFIG_SPARSEMEM_VMEMMAP) #define nth_page(page,n) pfn_to_page(page_to_pfn((page)) + (n)) +#else +#define nth_page(page,n) ((page) + (n)) +#endif /* to align the pointer to the (next) page boundary */ #define PAGE_ALIGN(addr) ALIGN(addr, PAGE_SIZE) @@ -244,6 +238,9 @@ int __add_to_page_cache_locked(struct page *page, struct address_space *mapping, #define lru_to_page(head) (list_entry((head)->prev, struct page, lru)) +void setup_initial_init_mm(void *start_code, void *end_code, + void *end_data, void *brk); + /* * Linux kernel virtual memory manager primitives. * The idea being to have a "virtual" mm in the same way @@ -284,7 +281,6 @@ extern unsigned int kobjsize(const void *objp); #define VM_GROWSDOWN 0x00000100 /* general info on the segment */ #define VM_UFFD_MISSING 0x00000200 /* missing pages tracking */ #define VM_PFNMAP 0x00000400 /* Page-ranges managed without "struct page", just pure PFN */ -#define VM_DENYWRITE 0x00000800 /* ETXTBSY on write attempts.. */ #define VM_UFFD_WP 0x00001000 /* wrprotect pages tracking */ #define VM_LOCKED 0x00002000 @@ -546,7 +542,12 @@ struct vm_fault { pud_t *pud; /* Pointer to pud entry matching * the 'address' */ - pte_t orig_pte; /* Value of PTE at the time of fault */ + union { + pte_t orig_pte; /* Value of PTE at the time of fault */ + pmd_t orig_pmd; /* Value of PMD at the time of fault, + * used by PMD fault only. + */ + }; struct page *cow_page; /* Page handler may use for COW fault */ struct page *page; /* ->fault handlers should return a @@ -827,6 +828,8 @@ static inline void *kvcalloc(size_t n, size_t size, gfp_t flags) return kvmalloc_array(n, size, flags | __GFP_ZERO); } +extern void *kvrealloc(const void *p, size_t oldsize, size_t newsize, + gfp_t flags); extern void kvfree(const void *addr); extern void kvfree_sensitive(const void *addr, size_t len); @@ -904,6 +907,7 @@ void __put_page(struct page *page); void put_pages_list(struct list_head *pages); void split_page(struct page *page, unsigned int order); +void copy_huge_page(struct page *dst, struct page *src); /* * Compound pages have a destructor function. Provide a @@ -1211,8 +1215,8 @@ static inline void get_page(struct page *page) } bool __must_check try_grab_page(struct page *page, unsigned int flags); -__maybe_unused struct page *try_grab_compound_head(struct page *page, int refs, - unsigned int flags); +struct page *try_grab_compound_head(struct page *page, int refs, + unsigned int flags); static inline __must_check bool try_get_page(struct page *page) @@ -1341,7 +1345,7 @@ static inline bool page_needs_cow_for_dma(struct vm_area_struct *vma, if (!is_cow_mapping(vma->vm_flags)) return false; - if (!atomic_read(&vma->vm_mm->has_pinned)) + if (!test_bit(MMF_HAS_PINNED, &vma->vm_mm->flags)) return false; return page_maybe_dma_pinned(page); @@ -1668,10 +1672,11 @@ struct address_space *page_mapping(struct page *page); static inline bool page_is_pfmemalloc(const struct page *page) { /* - * Page index cannot be this large so this must be - * a pfmemalloc page. + * lru.next has bit 1 set if the page is allocated from the + * pfmemalloc reserves. Callers may simply overwrite it if + * they do not need to preserve that information. */ - return page->index == -1UL; + return (uintptr_t)page->lru.next & BIT(1); } /* @@ -1680,12 +1685,12 @@ static inline bool page_is_pfmemalloc(const struct page *page) */ static inline void set_page_pfmemalloc(struct page *page) { - page->index = -1UL; + page->lru.next = (void *)BIT(1); } static inline void clear_page_pfmemalloc(struct page *page) { - page->index = 0; + page->lru.next = NULL; } /* @@ -1709,8 +1714,8 @@ extern bool can_do_mlock(void); #else static inline bool can_do_mlock(void) { return false; } #endif -extern int user_shm_lock(size_t, struct user_struct *); -extern void user_shm_unlock(size_t, struct user_struct *); +extern int user_shm_lock(size_t, struct ucounts *); +extern void user_shm_unlock(size_t, struct ucounts *); /* * Parameter block passed down to zap_pte_range in exceptional cases. @@ -1843,19 +1848,14 @@ int __account_locked_vm(struct mm_struct *mm, unsigned long pages, bool inc, struct kvec; int get_kernel_pages(const struct kvec *iov, int nr_pages, int write, struct page **pages); -int get_kernel_page(unsigned long start, int write, struct page **pages); struct page *get_dump_page(unsigned long addr); extern int try_to_release_page(struct page * page, gfp_t gfp_mask); extern void do_invalidatepage(struct page *page, unsigned int offset, unsigned int length); -void __set_page_dirty(struct page *, struct address_space *, int warn); -int __set_page_dirty_nobuffers(struct page *page); -int __set_page_dirty_no_writeback(struct page *page); int redirty_page_for_writepage(struct writeback_control *wbc, struct page *page); -void account_page_dirtied(struct page *page, struct address_space *mapping); void account_page_cleaned(struct page *page, struct address_space *mapping, struct bdi_writeback *wb); int set_page_dirty(struct page *page); @@ -2420,7 +2420,7 @@ static inline unsigned long free_initmem_default(int poison) extern char __init_begin[], __init_end[]; return free_reserved_area(&__init_begin, &__init_end, - poison, "unused kernel"); + poison, "unused kernel image (initmem)"); } static inline unsigned long get_num_physpages(void) @@ -2460,7 +2460,7 @@ extern void get_pfn_range_for_nid(unsigned int nid, unsigned long *start_pfn, unsigned long *end_pfn); extern unsigned long find_min_pfn_with_active_regions(void); -#ifndef CONFIG_NEED_MULTIPLE_NODES +#ifndef CONFIG_NUMA static inline int early_pfn_to_nid(unsigned long pfn) { return 0; @@ -2474,7 +2474,6 @@ extern void set_dma_reserve(unsigned long new_dma_reserve); extern void memmap_init_range(unsigned long, int, unsigned long, unsigned long, unsigned long, enum meminit_context, struct vmem_altmap *, int migratetype); -extern void memmap_init_zone(struct zone *zone); extern void setup_per_zone_wmarks(void); extern int __meminit init_per_zone_wmark_min(void); extern void mem_init(void); @@ -2581,7 +2580,8 @@ static inline int check_data_rlimit(unsigned long rlim, extern int mm_take_all_locks(struct mm_struct *mm); extern void mm_drop_all_locks(struct mm_struct *mm); -extern void set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file); +extern int set_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file); +extern int replace_mm_exe_file(struct mm_struct *mm, struct file *new_exe_file); extern struct file *get_mm_exe_file(struct mm_struct *mm); extern struct file *get_task_exe_file(struct task_struct *task); @@ -2681,17 +2681,45 @@ extern struct vm_area_struct * find_vma(struct mm_struct * mm, unsigned long add extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr, struct vm_area_struct **pprev); -/* Look up the first VMA which intersects the interval start_addr..end_addr-1, - NULL if none. Assume start_addr < end_addr. */ -static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr) +/** + * find_vma_intersection() - Look up the first VMA which intersects the interval + * @mm: The process address space. + * @start_addr: The inclusive start user address. + * @end_addr: The exclusive end user address. + * + * Returns: The first VMA within the provided range, %NULL otherwise. Assumes + * start_addr < end_addr. + */ +static inline +struct vm_area_struct *find_vma_intersection(struct mm_struct *mm, + unsigned long start_addr, + unsigned long end_addr) { - struct vm_area_struct * vma = find_vma(mm,start_addr); + struct vm_area_struct *vma = find_vma(mm, start_addr); if (vma && end_addr <= vma->vm_start) vma = NULL; return vma; } +/** + * vma_lookup() - Find a VMA at a specific address + * @mm: The process address space. + * @addr: The user address. + * + * Return: The vm_area_struct at the given address, %NULL otherwise. + */ +static inline +struct vm_area_struct *vma_lookup(struct mm_struct *mm, unsigned long addr) +{ + struct vm_area_struct *vma = find_vma(mm, addr); + + if (vma && addr < vma->vm_start) + vma = NULL; + + return vma; +} + static inline unsigned long vm_start_gap(struct vm_area_struct *vma) { unsigned long vm_start = vma->vm_start; @@ -3049,6 +3077,11 @@ static inline void print_vma_addr(char *prefix, unsigned long rip) } #endif +int vmemmap_remap_free(unsigned long start, unsigned long end, + unsigned long reuse); +int vmemmap_remap_alloc(unsigned long start, unsigned long end, + unsigned long reuse, gfp_t gfp_mask); + void *sparse_buffer_alloc(unsigned long size); struct page * __populate_section_memmap(unsigned long pfn, unsigned long nr_pages, int nid, struct vmem_altmap *altmap); @@ -3087,7 +3120,7 @@ extern void memory_failure_queue_kick(int cpu); extern int unpoison_memory(unsigned long pfn); extern int sysctl_memory_failure_early_kill; extern int sysctl_memory_failure_recovery; -extern void shake_page(struct page *p, int access); +extern void shake_page(struct page *p); extern atomic_long_t num_poisoned_pages __read_mostly; extern int soft_offline_page(unsigned long pfn, int flags); diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 8f0fb62e8975..7f8ee09c711f 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -97,10 +97,25 @@ struct page { }; struct { /* page_pool used by netstack */ /** - * @dma_addr: might require a 64-bit value on - * 32-bit architectures. + * @pp_magic: magic value to avoid recycling non + * page_pool allocated pages. */ - unsigned long dma_addr[2]; + unsigned long pp_magic; + struct page_pool *pp; + unsigned long _pp_mapping_pad; + unsigned long dma_addr; + union { + /** + * dma_addr_upper: might require a 64-bit + * value on 32-bit architectures. + */ + unsigned long dma_addr_upper; + /** + * For frag page support, not supported in + * 32-bit architectures with 64-bit DMA. + */ + atomic_long_t pp_frag_count; + }; }; struct { /* slab, slob and slub */ union { @@ -397,7 +412,7 @@ struct mm_struct { unsigned long mmap_base; /* base of mmap area */ unsigned long mmap_legacy_base; /* base of mmap area in bottom-up allocations */ #ifdef CONFIG_HAVE_ARCH_COMPAT_MMAP_BASES - /* Base adresses for compatible mmap() */ + /* Base addresses for compatible mmap() */ unsigned long mmap_compat_base; unsigned long mmap_compat_legacy_base; #endif @@ -435,16 +450,6 @@ struct mm_struct { */ atomic_t mm_count; - /** - * @has_pinned: Whether this mm has pinned any pages. This can - * be either replaced in the future by @pinned_vm when it - * becomes stable, or grow into a counter on its own. We're - * aggresive on this bit now - even if the pinned pages were - * unpinned later on, we'll still keep this bit set for the - * lifecycle of this mm just for simplicity. - */ - atomic_t has_pinned; - #ifdef CONFIG_MMU atomic_long_t pgtables_bytes; /* PTE page table pages */ #endif diff --git a/include/linux/mman.h b/include/linux/mman.h index 629cefc4ecba..b66e91b8176c 100644 --- a/include/linux/mman.h +++ b/include/linux/mman.h @@ -31,6 +31,9 @@ /* * The historical set of flags that all mmap implementations implicitly * support when a ->mmap_validate() op is not provided in file_operations. + * + * MAP_EXECUTABLE and MAP_DENYWRITE are completely ignored throughout the + * kernel. */ #define LEGACY_MAP_MASK (MAP_SHARED \ | MAP_PRIVATE \ @@ -151,7 +154,6 @@ static inline unsigned long calc_vm_flag_bits(unsigned long flags) { return _calc_vm_trans(flags, MAP_GROWSDOWN, VM_GROWSDOWN ) | - _calc_vm_trans(flags, MAP_DENYWRITE, VM_DENYWRITE ) | _calc_vm_trans(flags, MAP_LOCKED, VM_LOCKED ) | _calc_vm_trans(flags, MAP_SYNC, VM_SYNC ) | arch_calc_vm_flag_bits(flags); diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h index 0540f0156f58..96e113e23d04 100644 --- a/include/linux/mmap_lock.h +++ b/include/linux/mmap_lock.h @@ -101,14 +101,14 @@ static inline bool mmap_write_trylock(struct mm_struct *mm) static inline void mmap_write_unlock(struct mm_struct *mm) { - up_write(&mm->mmap_lock); __mmap_lock_trace_released(mm, true); + up_write(&mm->mmap_lock); } static inline void mmap_write_downgrade(struct mm_struct *mm) { - downgrade_write(&mm->mmap_lock); __mmap_lock_trace_acquire_returned(mm, false, true); + downgrade_write(&mm->mmap_lock); } static inline void mmap_read_lock(struct mm_struct *mm) @@ -140,23 +140,14 @@ static inline bool mmap_read_trylock(struct mm_struct *mm) static inline void mmap_read_unlock(struct mm_struct *mm) { - up_read(&mm->mmap_lock); __mmap_lock_trace_released(mm, false); -} - -static inline bool mmap_read_trylock_non_owner(struct mm_struct *mm) -{ - if (mmap_read_trylock(mm)) { - rwsem_release(&mm->mmap_lock.dep_map, _RET_IP_); - return true; - } - return false; + up_read(&mm->mmap_lock); } static inline void mmap_read_unlock_non_owner(struct mm_struct *mm) { - up_read_non_owner(&mm->mmap_lock); __mmap_lock_trace_released(mm, false); + up_read_non_owner(&mm->mmap_lock); } static inline void mmap_assert_locked(struct mm_struct *mm) diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h index f9ad35dd6012..37f975875102 100644 --- a/include/linux/mmc/card.h +++ b/include/linux/mmc/card.h @@ -109,6 +109,7 @@ struct mmc_ext_csd { u8 raw_hc_erase_gap_size; /* 221 */ u8 raw_erase_timeout_mult; /* 223 */ u8 raw_hc_erase_grp_size; /* 224 */ + u8 raw_boot_mult; /* 226 */ u8 raw_sec_trim_mult; /* 229 */ u8 raw_sec_erase_mult; /* 230 */ u8 raw_sec_feature_support;/* 231 */ @@ -139,6 +140,8 @@ struct sd_scr { unsigned char cmds; #define SD_SCR_CMD20_SUPPORT (1<<0) #define SD_SCR_CMD23_SUPPORT (1<<1) +#define SD_SCR_CMD48_SUPPORT (1<<2) +#define SD_SCR_CMD58_SUPPORT (1<<3) }; struct sd_ssr { @@ -189,6 +192,25 @@ struct sd_switch_caps { #define SD_MAX_CURRENT_800 (1 << SD_SET_CURRENT_LIMIT_800) }; +struct sd_ext_reg { + u8 fno; + u8 page; + u16 offset; + u8 rev; + u8 feature_enabled; + u8 feature_support; +/* Power Management Function. */ +#define SD_EXT_POWER_OFF_NOTIFY (1<<0) +#define SD_EXT_POWER_SUSTENANCE (1<<1) +#define SD_EXT_POWER_DOWN_MODE (1<<2) +/* Performance Enhancement Function. */ +#define SD_EXT_PERF_FX_EVENT (1<<0) +#define SD_EXT_PERF_CARD_MAINT (1<<1) +#define SD_EXT_PERF_HOST_MAINT (1<<2) +#define SD_EXT_PERF_CACHE (1<<3) +#define SD_EXT_PERF_CMD_QUEUE (1<<4) +}; + struct sdio_cccr { unsigned int sdio_vsn; unsigned int sd_vsn; @@ -290,6 +312,8 @@ struct mmc_card { struct sd_scr scr; /* extra SD information */ struct sd_ssr ssr; /* yet more SD information */ struct sd_switch_caps sw_caps; /* switch (CMD6) caps */ + struct sd_ext_reg ext_power; /* SD extension reg for PM */ + struct sd_ext_reg ext_perf; /* SD extension reg for PERF */ unsigned int sdio_funcs; /* number of SDIO functions */ atomic_t sdio_funcs_probed; /* number of probed SDIO funcs */ diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h index ab19245e9945..71101d1ec825 100644 --- a/include/linux/mmc/core.h +++ b/include/linux/mmc/core.h @@ -164,9 +164,8 @@ struct mmc_request { int tag; #ifdef CONFIG_MMC_CRYPTO - bool crypto_enabled; + const struct bio_crypt_ctx *crypto_ctx; int crypto_key_slot; - u32 data_unit_num; #endif }; diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h index c7e7b43600e9..0c0c9a0fdf57 100644 --- a/include/linux/mmc/host.h +++ b/include/linux/mmc/host.h @@ -153,7 +153,7 @@ struct mmc_host_ops { int (*start_signal_voltage_switch)(struct mmc_host *host, struct mmc_ios *ios); - /* Check if the card is pulling dat[0:3] low */ + /* Check if the card is pulling dat[0] low */ int (*card_busy)(struct mmc_host *host); /* The tuning command opcode value is different for SD and eMMC cards */ @@ -398,6 +398,7 @@ struct mmc_host { #else #define MMC_CAP2_CRYPTO 0 #endif +#define MMC_CAP2_ALT_GPT_TEGRA (1 << 28) /* Host with eMMC that has GPT entry at a non-standard location */ int fixed_drv_type; /* fixed driver type for non-removable media */ @@ -632,6 +633,6 @@ static inline enum dma_data_direction mmc_get_dma_dir(struct mmc_data *data) } int mmc_send_tuning(struct mmc_host *host, u32 opcode, int *cmd_error); -int mmc_abort_tuning(struct mmc_host *host, u32 opcode); +int mmc_send_abort_tuning(struct mmc_host *host, u32 opcode); #endif /* LINUX_MMC_HOST_H */ diff --git a/include/linux/mmc/sd.h b/include/linux/mmc/sd.h index 2236aa540faa..6727576a8755 100644 --- a/include/linux/mmc/sd.h +++ b/include/linux/mmc/sd.h @@ -29,6 +29,10 @@ #define SD_APP_OP_COND 41 /* bcr [31:0] OCR R3 */ #define SD_APP_SEND_SCR 51 /* adtc R1 */ + /* class 11 */ +#define SD_READ_EXTR_SINGLE 48 /* adtc [31:0] R1 */ +#define SD_WRITE_EXTR_SINGLE 49 /* adtc [31:0] R1 */ + /* OCR bit definitions */ #define SD_OCR_S18R (1 << 24) /* 1.8V switching request */ #define SD_ROCR_S18A SD_OCR_S18R /* 1.8V switching accepted by card */ diff --git a/include/linux/mmc/sdio_ids.h b/include/linux/mmc/sdio_ids.h index 12036619346c..a85c9f0bd470 100644 --- a/include/linux/mmc/sdio_ids.h +++ b/include/linux/mmc/sdio_ids.h @@ -75,6 +75,7 @@ #define SDIO_DEVICE_ID_BROADCOM_43364 0xa9a4 #define SDIO_DEVICE_ID_BROADCOM_43430 0xa9a6 #define SDIO_DEVICE_ID_BROADCOM_43455 0xa9bf +#define SDIO_DEVICE_ID_BROADCOM_CYPRESS_43752 0xaae8 #define SDIO_VENDOR_ID_MARVELL 0x02df #define SDIO_DEVICE_ID_MARVELL_LIBERTAS 0x9103 diff --git a/include/linux/mmdebug.h b/include/linux/mmdebug.h index 5d0767cb424a..1935d4c72d10 100644 --- a/include/linux/mmdebug.h +++ b/include/linux/mmdebug.h @@ -9,8 +9,7 @@ struct page; struct vm_area_struct; struct mm_struct; -extern void dump_page(struct page *page, const char *reason); -extern void __dump_page(struct page *page, const char *reason); +void dump_page(struct page *page, const char *reason); void dump_vma(const struct vm_area_struct *vma); void dump_mm(const struct mm_struct *mm); diff --git a/include/linux/mmu_context.h b/include/linux/mmu_context.h index 03dee12d2b61..b9b970f7ab45 100644 --- a/include/linux/mmu_context.h +++ b/include/linux/mmu_context.h @@ -14,4 +14,18 @@ static inline void leave_mm(int cpu) { } #endif +/* + * CPUs that are capable of running user task @p. Must contain at least one + * active CPU. It is assumed that the kernel can run on all CPUs, so calling + * this for a kernel thread is pointless. + * + * By default, we assume a sane, homogeneous system. + */ +#ifndef task_cpu_possible_mask +# define task_cpu_possible_mask(p) cpu_possible_mask +# define task_cpu_possible(cpu, p) true +#else +# define task_cpu_possible(cpu, p) cpumask_test_cpu((cpu), task_cpu_possible_mask(p)) +#endif + #endif diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 1a6a9eb6d3fa..45fc2c81e370 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -33,7 +33,7 @@ struct mmu_interval_notifier; * * @MMU_NOTIFY_SOFT_DIRTY: soft dirty accounting (still same page and same * access flags). User should soft dirty the page in the end callback to make - * sure that anyone relying on soft dirtyness catch pages that might be written + * sure that anyone relying on soft dirtiness catch pages that might be written * through non CPU mappings. * * @MMU_NOTIFY_RELEASE: used during mmu_interval_notifier invalidate to signal @@ -41,7 +41,12 @@ struct mmu_interval_notifier; * * @MMU_NOTIFY_MIGRATE: used during migrate_vma_collect() invalidate to signal * a device driver to possibly ignore the invalidation if the - * migrate_pgmap_owner field matches the driver's device private pgmap owner. + * owner field matches the driver's device private pgmap owner. + * + * @MMU_NOTIFY_EXCLUSIVE: to signal a device driver that the device will no + * longer have exclusive access to the page. When sent during creation of an + * exclusive range the owner will be initialised to the value provided by the + * caller of make_device_exclusive_range(), otherwise the owner will be NULL. */ enum mmu_notifier_event { MMU_NOTIFY_UNMAP = 0, @@ -51,6 +56,7 @@ enum mmu_notifier_event { MMU_NOTIFY_SOFT_DIRTY, MMU_NOTIFY_RELEASE, MMU_NOTIFY_MIGRATE, + MMU_NOTIFY_EXCLUSIVE, }; #define MMU_NOTIFIER_RANGE_BLOCKABLE (1 << 0) @@ -161,7 +167,7 @@ struct mmu_notifier_ops { * decrease the refcount. If the refcount is decreased on * invalidate_range_start() then the VM can free pages as page * table entries are removed. If the refcount is only - * droppped on invalidate_range_end() then the driver itself + * dropped on invalidate_range_end() then the driver itself * will drop the last refcount but it must take care to flush * any secondary tlb before doing the final free on the * page. Pages will no longer be referenced by the linux @@ -190,7 +196,7 @@ struct mmu_notifier_ops { * If invalidate_range() is used to manage a non-CPU TLB with * shared page-tables, it not necessary to implement the * invalidate_range_start()/end() notifiers, as - * invalidate_range() alread catches the points in time when an + * invalidate_range() already catches the points in time when an * external TLB range needs to be flushed. For more in depth * discussion on this see Documentation/vm/mmu_notifier.rst * @@ -269,7 +275,7 @@ struct mmu_notifier_range { unsigned long end; unsigned flags; enum mmu_notifier_event event; - void *migrate_pgmap_owner; + void *owner; }; static inline int mm_has_notifiers(struct mm_struct *mm) @@ -363,7 +369,7 @@ mmu_interval_read_retry(struct mmu_interval_notifier *interval_sub, * mmu_interval_read_retry() will return true. * * False is not reliable and only suggests a collision may not have - * occured. It can be called many times and does not have to hold the user + * occurred. It can be called many times and does not have to hold the user * provided lock. * * This call can be used as part of loops and other expensive operations to @@ -521,14 +527,14 @@ static inline void mmu_notifier_range_init(struct mmu_notifier_range *range, range->flags = flags; } -static inline void mmu_notifier_range_init_migrate( - struct mmu_notifier_range *range, unsigned int flags, +static inline void mmu_notifier_range_init_owner( + struct mmu_notifier_range *range, + enum mmu_notifier_event event, unsigned int flags, struct vm_area_struct *vma, struct mm_struct *mm, - unsigned long start, unsigned long end, void *pgmap) + unsigned long start, unsigned long end, void *owner) { - mmu_notifier_range_init(range, MMU_NOTIFY_MIGRATE, flags, vma, mm, - start, end); - range->migrate_pgmap_owner = pgmap; + mmu_notifier_range_init(range, event, flags, vma, mm, start, end); + range->owner = owner; } #define ptep_clear_flush_young_notify(__vma, __address, __ptep) \ @@ -655,8 +661,8 @@ static inline void _mmu_notifier_range_init(struct mmu_notifier_range *range, #define mmu_notifier_range_init(range,event,flags,vma,mm,start,end) \ _mmu_notifier_range_init(range, start, end) -#define mmu_notifier_range_init_migrate(range, flags, vma, mm, start, end, \ - pgmap) \ +#define mmu_notifier_range_init_owner(range, event, flags, vma, mm, start, \ + end, owner) \ _mmu_notifier_range_init(range, start, end) static inline bool diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h index 0d53eba1c383..6a1d79d84675 100644 --- a/include/linux/mmzone.h +++ b/include/linux/mmzone.h @@ -20,6 +20,7 @@ #include <linux/atomic.h> #include <linux/mm_types.h> #include <linux/page-flags.h> +#include <linux/local_lock.h> #include <asm/page.h> /* Free memory management - zoned buddy allocator. */ @@ -113,7 +114,7 @@ static inline bool free_area_empty(struct free_area *area, int migratetype) struct pglist_data; /* - * Add a wild amount of padding here to ensure datas fall into separate + * Add a wild amount of padding here to ensure data fall into separate * cachelines. There are very few zone structures in the machine, so space * consumption is not a concern here. */ @@ -134,10 +135,10 @@ enum numa_stat_item { NUMA_INTERLEAVE_HIT, /* interleaver preferred this zone */ NUMA_LOCAL, /* allocation from local node */ NUMA_OTHER, /* allocation from other node */ - NR_VM_NUMA_STAT_ITEMS + NR_VM_NUMA_EVENT_ITEMS }; #else -#define NR_VM_NUMA_STAT_ITEMS 0 +#define NR_VM_NUMA_EVENT_ITEMS 0 #endif enum zone_stat_item { @@ -332,29 +333,55 @@ enum zone_watermarks { NR_WMARK }; +/* + * One per migratetype for each PAGE_ALLOC_COSTLY_ORDER plus one additional + * for pageblock size for THP if configured. + */ +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +#define NR_PCP_THP 1 +#else +#define NR_PCP_THP 0 +#endif +#define NR_PCP_LISTS (MIGRATE_PCPTYPES * (PAGE_ALLOC_COSTLY_ORDER + 1 + NR_PCP_THP)) + +/* + * Shift to encode migratetype and order in the same integer, with order + * in the least significant bits. + */ +#define NR_PCP_ORDER_WIDTH 8 +#define NR_PCP_ORDER_MASK ((1<<NR_PCP_ORDER_WIDTH) - 1) + #define min_wmark_pages(z) (z->_watermark[WMARK_MIN] + z->watermark_boost) #define low_wmark_pages(z) (z->_watermark[WMARK_LOW] + z->watermark_boost) #define high_wmark_pages(z) (z->_watermark[WMARK_HIGH] + z->watermark_boost) #define wmark_pages(z, i) (z->_watermark[i] + z->watermark_boost) +/* Fields and list protected by pagesets local_lock in page_alloc.c */ struct per_cpu_pages { int count; /* number of pages in the list */ int high; /* high watermark, emptying needed */ int batch; /* chunk size for buddy add/remove */ + short free_factor; /* batch scaling factor during free */ +#ifdef CONFIG_NUMA + short expire; /* When 0, remote pagesets are drained */ +#endif /* Lists of pages, one per migrate type stored on the pcp-lists */ - struct list_head lists[MIGRATE_PCPTYPES]; + struct list_head lists[NR_PCP_LISTS]; }; -struct per_cpu_pageset { - struct per_cpu_pages pcp; -#ifdef CONFIG_NUMA - s8 expire; - u16 vm_numa_stat_diff[NR_VM_NUMA_STAT_ITEMS]; -#endif +struct per_cpu_zonestat { #ifdef CONFIG_SMP - s8 stat_threshold; s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS]; + s8 stat_threshold; +#endif +#ifdef CONFIG_NUMA + /* + * Low priority inaccurate counters that are only folded + * on demand. Use a large type to avoid the overhead of + * folding during refresh_cpu_vm_stats. + */ + unsigned long vm_numa_event[NR_VM_NUMA_EVENT_ITEMS]; #endif }; @@ -484,7 +511,8 @@ struct zone { int node; #endif struct pglist_data *zone_pgdat; - struct per_cpu_pageset __percpu *pageset; + struct per_cpu_pages __percpu *per_cpu_pageset; + struct per_cpu_zonestat __percpu *per_cpu_zonestats; /* * the high and batch values are copied to individual pagesets for * faster access @@ -512,6 +540,10 @@ struct zone { * is calculated as: * present_pages = spanned_pages - absent_pages(pages in holes); * + * present_early_pages is present pages existing within the zone + * located on memory available since early boot, excluding hotplugged + * memory. + * * managed_pages is present pages managed by the buddy system, which * is calculated as (reserved_pages includes pages allocated by the * bootmem allocator): @@ -544,6 +576,9 @@ struct zone { atomic_long_t managed_pages; unsigned long spanned_pages; unsigned long present_pages; +#if defined(CONFIG_MEMORY_HOTPLUG) + unsigned long present_early_pages; +#endif #ifdef CONFIG_CMA unsigned long cma_pages; #endif @@ -619,7 +654,7 @@ struct zone { ZONE_PADDING(_pad3_) /* Zone statistics */ atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - atomic_long_t vm_numa_stat[NR_VM_NUMA_STAT_ITEMS]; + atomic_long_t vm_numa_event[NR_VM_NUMA_EVENT_ITEMS]; } ____cacheline_internodealigned_in_smp; enum pgdat_flags { @@ -637,6 +672,7 @@ enum zone_flags { ZONE_BOOSTED_WATERMARK, /* zone recently boosted watermarks. * Cleared when kswapd is woken. */ + ZONE_RECLAIM_ACTIVE, /* kswapd may be scanning the zone. */ }; static inline unsigned long zone_managed_pages(struct zone *zone) @@ -738,10 +774,12 @@ struct zonelist { struct zoneref _zonerefs[MAX_ZONES_PER_ZONELIST + 1]; }; -#ifndef CONFIG_DISCONTIGMEM -/* The array of struct pages - for discontigmem use pgdat->lmem_map */ +/* + * The array of struct pages for flatmem. + * It must be declared for SPARSEMEM as well because there are configurations + * that rely on that. + */ extern struct page *mem_map; -#endif #ifdef CONFIG_TRANSPARENT_HUGEPAGE struct deferred_split { @@ -775,7 +813,7 @@ typedef struct pglist_data { struct zonelist node_zonelists[MAX_ZONELISTS]; int nr_zones; /* number of populated zones in this node */ -#ifdef CONFIG_FLAT_NODE_MEM_MAP /* means !SPARSEMEM */ +#ifdef CONFIG_FLATMEM /* means !SPARSEMEM */ struct page *node_mem_map; #ifdef CONFIG_PAGE_EXTENSION struct page_ext *node_page_ext; @@ -815,6 +853,7 @@ typedef struct pglist_data { enum zone_type kcompactd_highest_zoneidx; wait_queue_head_t kcompactd_wait; struct task_struct *kcompactd; + bool proactive_compact_trigger; #endif /* * This is a per-node reserve of pages that are not available @@ -865,7 +904,7 @@ typedef struct pglist_data { #define node_present_pages(nid) (NODE_DATA(nid)->node_present_pages) #define node_spanned_pages(nid) (NODE_DATA(nid)->node_spanned_pages) -#ifdef CONFIG_FLAT_NODE_MEM_MAP +#ifdef CONFIG_FLATMEM #define pgdat_page_nr(pgdat, pagenr) ((pgdat)->node_mem_map + (pagenr)) #else #define pgdat_page_nr(pgdat, pagenr) pfn_to_page((pgdat)->node_start_pfn + (pagenr)) @@ -982,22 +1021,11 @@ static inline void zone_set_nid(struct zone *zone, int nid) {} extern int movable_zone; -#ifdef CONFIG_HIGHMEM -static inline int zone_movable_is_highmem(void) -{ -#ifdef CONFIG_NEED_MULTIPLE_NODES - return movable_zone == ZONE_HIGHMEM; -#else - return (ZONE_MOVABLE - 1) == ZONE_HIGHMEM; -#endif -} -#endif - static inline int is_highmem_idx(enum zone_type idx) { #ifdef CONFIG_HIGHMEM return (idx == ZONE_HIGHMEM || - (idx == ZONE_MOVABLE && zone_movable_is_highmem())); + (idx == ZONE_MOVABLE && movable_zone == ZONE_HIGHMEM)); #else return 0; #endif @@ -1029,7 +1057,7 @@ int watermark_scale_factor_sysctl_handler(struct ctl_table *, int, void *, extern int sysctl_lowmem_reserve_ratio[MAX_NR_ZONES]; int lowmem_reserve_ratio_sysctl_handler(struct ctl_table *, int, void *, size_t *, loff_t *); -int percpu_pagelist_fraction_sysctl_handler(struct ctl_table *, int, +int percpu_pagelist_high_fraction_sysctl_handler(struct ctl_table *, int, void *, size_t *, loff_t *); int sysctl_min_unmapped_ratio_sysctl_handler(struct ctl_table *, int, void *, size_t *, loff_t *); @@ -1037,21 +1065,24 @@ int sysctl_min_slab_ratio_sysctl_handler(struct ctl_table *, int, void *, size_t *, loff_t *); int numa_zonelist_order_handler(struct ctl_table *, int, void *, size_t *, loff_t *); -extern int percpu_pagelist_fraction; +extern int percpu_pagelist_high_fraction; extern char numa_zonelist_order[]; #define NUMA_ZONELIST_ORDER_LEN 16 -#ifndef CONFIG_NEED_MULTIPLE_NODES +#ifndef CONFIG_NUMA extern struct pglist_data contig_page_data; -#define NODE_DATA(nid) (&contig_page_data) +static inline struct pglist_data *NODE_DATA(int nid) +{ + return &contig_page_data; +} #define NODE_MEM_MAP(nid) mem_map -#else /* CONFIG_NEED_MULTIPLE_NODES */ +#else /* CONFIG_NUMA */ #include <asm/mmzone.h> -#endif /* !CONFIG_NEED_MULTIPLE_NODES */ +#endif /* !CONFIG_NUMA */ extern struct pglist_data *first_online_pgdat(void); extern struct pglist_data *next_online_pgdat(struct pglist_data *pgdat); @@ -1200,8 +1231,6 @@ static inline struct zoneref *first_zones_zonelist(struct zonelist *zonelist, #ifdef CONFIG_SPARSEMEM /* - * SECTION_SHIFT #bits space required to store a section # - * * PA_SECTION_SHIFT physical address to/from section number * PFN_SECTION_SHIFT pfn to/from section number */ @@ -1321,7 +1350,6 @@ static inline struct mem_section *__nr_to_section(unsigned long nr) return NULL; return &mem_section[SECTION_NR_TO_ROOT(nr)][nr & SECTION_ROOT_MASK]; } -extern unsigned long __section_nr(struct mem_section *ms); extern size_t mem_section_usage_size(void); /* @@ -1344,7 +1372,7 @@ extern size_t mem_section_usage_size(void); #define SECTION_TAINT_ZONE_DEVICE (1UL<<4) #define SECTION_MAP_LAST_BIT (1UL<<5) #define SECTION_MAP_MASK (~(SECTION_MAP_LAST_BIT-1)) -#define SECTION_NID_SHIFT 3 +#define SECTION_NID_SHIFT 6 static inline struct page *__section_mem_map_addr(struct mem_section *section) { @@ -1427,10 +1455,30 @@ static inline int pfn_section_valid(struct mem_section *ms, unsigned long pfn) #endif #ifndef CONFIG_HAVE_ARCH_PFN_VALID +/** + * pfn_valid - check if there is a valid memory map entry for a PFN + * @pfn: the page frame number to check + * + * Check if there is a valid memory map entry aka struct page for the @pfn. + * Note, that availability of the memory map entry does not imply that + * there is actual usable memory at that @pfn. The struct page may + * represent a hole or an unusable page frame. + * + * Return: 1 for PFNs that have memory map entries and 0 otherwise + */ static inline int pfn_valid(unsigned long pfn) { struct mem_section *ms; + /* + * Ensure the upper PAGE_SHIFT bits are clear in the + * pfn. Else it might lead to false positives when + * some of the upper bits are set, but the lower bits + * match a valid pfn. + */ + if (PHYS_PFN(PFN_PHYS(pfn)) != pfn) + return 0; + if (pfn_to_section_nr(pfn) >= NR_MEM_SECTIONS) return 0; ms = __nr_to_section(pfn_to_section_nr(pfn)); @@ -1484,18 +1532,6 @@ void sparse_init(void); #define subsection_map_init(_pfn, _nr_pages) do {} while (0) #endif /* CONFIG_SPARSEMEM */ -/* - * If it is possible to have holes within a MAX_ORDER_NR_PAGES, then we - * need to check pfn validity within that MAX_ORDER_NR_PAGES block. - * pfn_valid_within() should be used in this case; we optimise this away - * when we have no holes within a MAX_ORDER_NR_PAGES block. - */ -#ifdef CONFIG_HOLES_IN_ZONE -#define pfn_valid_within(pfn) pfn_valid(pfn) -#else -#define pfn_valid_within(pfn) (1) -#endif - #endif /* !__GENERATING_BOUNDS.H */ #endif /* !__ASSEMBLY__ */ #endif /* _LINUX_MMZONE_H */ diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 7d45b5f989b0..ae2e75d15b21 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -16,6 +16,10 @@ typedef unsigned long kernel_ulong_t; #define PCI_ANY_ID (~0) +enum { + PCI_ID_F_VFIO_DRIVER_OVERRIDE = 1, +}; + /** * struct pci_device_id - PCI device ID structure * @vendor: Vendor ID to match (or PCI_ANY_ID) @@ -34,12 +38,14 @@ typedef unsigned long kernel_ulong_t; * Best practice is to use driver_data as an index * into a static list of equivalent device types, * instead of using it as a pointer. + * @override_only: Match only when dev->driver_override is this driver. */ struct pci_device_id { __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ __u32 subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ __u32 class, class_mask; /* (class,subclass,prog-if) triplet */ kernel_ulong_t driver_data; /* Data private to the driver */ + __u32 override_only; }; @@ -447,6 +453,7 @@ struct hv_vmbus_device_id { struct rpmsg_device_id { char name[RPMSG_NAME_SIZE]; + kernel_ulong_t driver_data; }; /* i2c */ diff --git a/include/linux/module.h b/include/linux/module.h index 8100bb477d86..c9f1200b2312 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -11,6 +11,7 @@ #include <linux/list.h> #include <linux/stat.h> +#include <linux/buildid.h> #include <linux/compiler.h> #include <linux/cache.h> #include <linux/kmod.h> @@ -369,6 +370,11 @@ struct module { /* Unique handle for this module */ char name[MODULE_NAME_LEN]; +#ifdef CONFIG_STACKTRACE_BUILD_ID + /* Module build ID */ + unsigned char build_id[BUILD_ID_SIZE_MAX]; +#endif + /* Sysfs stuff. */ struct module_kobject mkobj; struct module_attribute *modinfo_attrs; @@ -505,6 +511,11 @@ struct module { struct klp_modinfo *klp_info; #endif +#ifdef CONFIG_PRINTK_INDEX + unsigned int printk_index_size; + struct pi_entry **printk_index_start; +#endif + #ifdef CONFIG_MODULE_UNLOAD /* What modules depend on me? */ struct list_head source_list; @@ -636,7 +647,7 @@ void *dereference_module_function_descriptor(struct module *mod, void *ptr); const char *module_address_lookup(unsigned long addr, unsigned long *symbolsize, unsigned long *offset, - char **modname, + char **modname, const unsigned char **modbuildid, char *namebuf); int lookup_module_symbol_name(unsigned long addr, char *symname); int lookup_module_symbol_attrs(unsigned long addr, unsigned long *size, unsigned long *offset, char *modname, char *name); @@ -740,6 +751,7 @@ static inline const char *module_address_lookup(unsigned long addr, unsigned long *symbolsize, unsigned long *offset, char **modname, + const unsigned char **modbuildid, char *namebuf) { return NULL; diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index eed280fae433..962cd41a2cb5 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -431,6 +431,8 @@ extern int param_get_int(char *buffer, const struct kernel_param *kp); extern const struct kernel_param_ops param_ops_uint; extern int param_set_uint(const char *val, const struct kernel_param *kp); extern int param_get_uint(char *buffer, const struct kernel_param *kp); +int param_set_uint_minmax(const char *val, const struct kernel_param *kp, + unsigned int min, unsigned int max); #define param_check_uint(name, p) __param_check(name, p, unsigned int) extern const struct kernel_param_ops param_ops_long; diff --git a/include/linux/mpi.h b/include/linux/mpi.h index 3e5358f4de2f..eb0d1c1db208 100644 --- a/include/linux/mpi.h +++ b/include/linux/mpi.h @@ -200,7 +200,7 @@ struct mpi_ec_ctx { unsigned int nbits; /* Number of bits. */ /* Domain parameters. Note that they may not all be set and if set - * the MPIs may be flaged as constant. + * the MPIs may be flagged as constant. */ MPI p; /* Prime specifying the field GF(p). */ MPI a; /* First coefficient of the Weierstrass equation. */ @@ -267,7 +267,7 @@ int mpi_ec_curve_point(MPI_POINT point, struct mpi_ec_ctx *ctx); /** * mpi_get_size() - returns max size required to store the number * - * @a: A multi precision integer for which we want to allocate a bufer + * @a: A multi precision integer for which we want to allocate a buffer * * Return: size required to store the number */ diff --git a/include/linux/msi.h b/include/linux/msi.h index 6aff469e511d..49cf6eb222e7 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -107,7 +107,8 @@ struct ti_sci_inta_msi_desc { * address or data changes * @write_msi_msg_data: Data parameter for the callback. * - * @masked: [PCI MSI/X] Mask bits + * @msi_mask: [PCI MSI] MSI cached mask bits + * @msix_ctrl: [PCI MSI-X] MSI-X cached per vector control bits * @is_msix: [PCI MSI/X] True if MSI-X * @multiple: [PCI MSI/X] log2 num of messages allocated * @multi_cap: [PCI MSI/X] log2 num of messages supported @@ -139,7 +140,10 @@ struct msi_desc { union { /* PCI MSI/X specific data */ struct { - u32 masked; + union { + u32 msi_mask; + u32 msix_ctrl; + }; struct { u8 is_msix : 1; u8 multiple : 3; @@ -232,11 +236,13 @@ void free_msi_entry(struct msi_desc *entry); void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg); void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg); -u32 __pci_msix_desc_mask_irq(struct msi_desc *desc, u32 flag); -u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag); void pci_msi_mask_irq(struct irq_data *data); void pci_msi_unmask_irq(struct irq_data *data); +const struct attribute_group **msi_populate_sysfs(struct device *dev); +void msi_destroy_sysfs(struct device *dev, + const struct attribute_group **msi_irq_groups); + /* * The arch hooks to setup up msi irqs. Default functions are implemented * as weak symbols so that they /can/ be overriden by architecture specific diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h index a89955f3cbc8..88227044fc86 100644 --- a/include/linux/mtd/mtd.h +++ b/include/linux/mtd/mtd.h @@ -380,6 +380,8 @@ struct mtd_info { int usecount; struct mtd_debug_info dbg; struct nvmem_device *nvmem; + struct nvmem_device *otp_user_nvmem; + struct nvmem_device *otp_factory_nvmem; /* * Parent device from the MTD partition point of view. diff --git a/include/linux/mtd/onfi.h b/include/linux/mtd/onfi.h index 339ac798568e..a7376f9beddf 100644 --- a/include/linux/mtd/onfi.h +++ b/include/linux/mtd/onfi.h @@ -11,6 +11,7 @@ #define __LINUX_MTD_ONFI_H #include <linux/types.h> +#include <linux/bitfield.h> /* ONFI version bits */ #define ONFI_VERSION_1_0 BIT(1) @@ -24,17 +25,22 @@ #define ONFI_VERSION_4_0 BIT(9) /* ONFI features */ -#define ONFI_FEATURE_16_BIT_BUS (1 << 0) -#define ONFI_FEATURE_EXT_PARAM_PAGE (1 << 7) +#define ONFI_FEATURE_16_BIT_BUS BIT(0) +#define ONFI_FEATURE_NV_DDR BIT(5) +#define ONFI_FEATURE_EXT_PARAM_PAGE BIT(7) /* ONFI timing mode, used in both asynchronous and synchronous mode */ -#define ONFI_TIMING_MODE_0 (1 << 0) -#define ONFI_TIMING_MODE_1 (1 << 1) -#define ONFI_TIMING_MODE_2 (1 << 2) -#define ONFI_TIMING_MODE_3 (1 << 3) -#define ONFI_TIMING_MODE_4 (1 << 4) -#define ONFI_TIMING_MODE_5 (1 << 5) -#define ONFI_TIMING_MODE_UNKNOWN (1 << 6) +#define ONFI_DATA_INTERFACE_SDR 0 +#define ONFI_DATA_INTERFACE_NVDDR BIT(4) +#define ONFI_DATA_INTERFACE_NVDDR2 BIT(5) +#define ONFI_TIMING_MODE_0 BIT(0) +#define ONFI_TIMING_MODE_1 BIT(1) +#define ONFI_TIMING_MODE_2 BIT(2) +#define ONFI_TIMING_MODE_3 BIT(3) +#define ONFI_TIMING_MODE_4 BIT(4) +#define ONFI_TIMING_MODE_5 BIT(5) +#define ONFI_TIMING_MODE_UNKNOWN BIT(6) +#define ONFI_TIMING_MODE_PARAM(x) FIELD_GET(GENMASK(3, 0), (x)) /* ONFI feature number/address */ #define ONFI_FEATURE_NUMBER 256 @@ -49,7 +55,7 @@ #define ONFI_SUBFEATURE_PARAM_LEN 4 /* ONFI optional commands SET/GET FEATURES supported? */ -#define ONFI_OPT_CMD_SET_GET_FEATURES (1 << 2) +#define ONFI_OPT_CMD_SET_GET_FEATURES BIT(2) struct nand_onfi_params { /* rev info and features block */ @@ -93,14 +99,15 @@ struct nand_onfi_params { /* electrical parameter block */ u8 io_pin_capacitance_max; - __le16 async_timing_mode; + __le16 sdr_timing_modes; __le16 program_cache_timing_mode; __le16 t_prog; __le16 t_bers; __le16 t_r; __le16 t_ccs; - __le16 src_sync_timing_mode; - u8 src_ssync_features; + u8 nvddr_timing_modes; + u8 nvddr2_timing_modes; + u8 nvddr_nvddr2_features; __le16 clk_pin_capacitance_typ; __le16 io_pin_capacitance_typ; __le16 input_pin_capacitance_typ; @@ -160,7 +167,9 @@ struct onfi_ext_param_page { * @tBERS: Block erase time * @tR: Page read time * @tCCS: Change column setup time - * @async_timing_mode: Supported asynchronous timing mode + * @fast_tCAD: Command/Address/Data slow or fast delay (NV-DDR only) + * @sdr_timing_modes: Supported asynchronous/SDR timing modes + * @nvddr_timing_modes: Supported source synchronous/NV-DDR timing modes * @vendor_revision: Vendor specific revision number * @vendor: Vendor specific data */ @@ -170,7 +179,9 @@ struct onfi_params { u16 tBERS; u16 tR; u16 tCCS; - u16 async_timing_mode; + bool fast_tCAD; + u16 sdr_timing_modes; + u16 nvddr_timing_modes; u16 vendor_revision; u8 vendor[88]; }; diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h index 29df2f43dcb5..b2f9dd3cbd69 100644 --- a/include/linux/mtd/rawnand.h +++ b/include/linux/mtd/rawnand.h @@ -24,6 +24,7 @@ #include <linux/types.h> struct nand_chip; +struct gpio_desc; /* The maximum number of NAND chips in an array */ #define NAND_MAX_CHIPS 8 @@ -385,8 +386,8 @@ struct nand_ecc_ctrl { * This struct defines the timing requirements of a SDR NAND chip. * These information can be found in every NAND datasheets and the timings * meaning are described in the ONFI specifications: - * www.onfi.org/~/media/ONFI/specs/onfi_3_1_spec.pdf (chapter 4.15 Timing - * Parameters) + * https://media-www.micron.com/-/media/client/onfi/specs/onfi_3_1_spec.pdf + * (chapter 4.15 Timing Parameters) * * All these timings are expressed in picoseconds. * @@ -472,11 +473,127 @@ struct nand_sdr_timings { }; /** + * struct nand_nvddr_timings - NV-DDR NAND chip timings + * + * This struct defines the timing requirements of a NV-DDR NAND data interface. + * These information can be found in every NAND datasheets and the timings + * meaning are described in the ONFI specifications: + * https://media-www.micron.com/-/media/client/onfi/specs/onfi_4_1_gold.pdf + * (chapter 4.18.2 NV-DDR) + * + * All these timings are expressed in picoseconds. + * + * @tBERS_max: Block erase time + * @tCCS_min: Change column setup time + * @tPROG_max: Page program time + * @tR_max: Page read time + * @tAC_min: Access window of DQ[7:0] from CLK + * @tAC_max: Access window of DQ[7:0] from CLK + * @tADL_min: ALE to data loading time + * @tCAD_min: Command, Address, Data delay + * @tCAH_min: Command/Address DQ hold time + * @tCALH_min: W/R_n, CLE and ALE hold time + * @tCALS_min: W/R_n, CLE and ALE setup time + * @tCAS_min: Command/address DQ setup time + * @tCEH_min: CE# high hold time + * @tCH_min: CE# hold time + * @tCK_min: Average clock cycle time + * @tCS_min: CE# setup time + * @tDH_min: Data hold time + * @tDQSCK_min: Start of the access window of DQS from CLK + * @tDQSCK_max: End of the access window of DQS from CLK + * @tDQSD_min: Min W/R_n low to DQS/DQ driven by device + * @tDQSD_max: Max W/R_n low to DQS/DQ driven by device + * @tDQSHZ_max: W/R_n high to DQS/DQ tri-state by device + * @tDQSQ_max: DQS-DQ skew, DQS to last DQ valid, per access + * @tDS_min: Data setup time + * @tDSC_min: DQS cycle time + * @tFEAT_max: Busy time for Set Features and Get Features + * @tITC_max: Interface and Timing Mode Change time + * @tQHS_max: Data hold skew factor + * @tRHW_min: Data output cycle to command, address, or data input cycle + * @tRR_min: Ready to RE# low (data only) + * @tRST_max: Device reset time, measured from the falling edge of R/B# to the + * rising edge of R/B#. + * @tWB_max: WE# high to SR[6] low + * @tWHR_min: WE# high to RE# low + * @tWRCK_min: W/R_n low to data output cycle + * @tWW_min: WP# transition to WE# low + */ +struct nand_nvddr_timings { + u64 tBERS_max; + u32 tCCS_min; + u64 tPROG_max; + u64 tR_max; + u32 tAC_min; + u32 tAC_max; + u32 tADL_min; + u32 tCAD_min; + u32 tCAH_min; + u32 tCALH_min; + u32 tCALS_min; + u32 tCAS_min; + u32 tCEH_min; + u32 tCH_min; + u32 tCK_min; + u32 tCS_min; + u32 tDH_min; + u32 tDQSCK_min; + u32 tDQSCK_max; + u32 tDQSD_min; + u32 tDQSD_max; + u32 tDQSHZ_max; + u32 tDQSQ_max; + u32 tDS_min; + u32 tDSC_min; + u32 tFEAT_max; + u32 tITC_max; + u32 tQHS_max; + u32 tRHW_min; + u32 tRR_min; + u32 tRST_max; + u32 tWB_max; + u32 tWHR_min; + u32 tWRCK_min; + u32 tWW_min; +}; + +/* + * While timings related to the data interface itself are mostly different + * between SDR and NV-DDR, timings related to the internal chip behavior are + * common. IOW, the following entries which describe the internal delays have + * the same definition and are shared in both SDR and NV-DDR timing structures: + * - tADL_min + * - tBERS_max + * - tCCS_min + * - tFEAT_max + * - tPROG_max + * - tR_max + * - tRR_min + * - tRST_max + * - tWB_max + * + * The below macros return the value of a given timing, no matter the interface. + */ +#define NAND_COMMON_TIMING_PS(conf, timing_name) \ + nand_interface_is_sdr(conf) ? \ + nand_get_sdr_timings(conf)->timing_name : \ + nand_get_nvddr_timings(conf)->timing_name + +#define NAND_COMMON_TIMING_MS(conf, timing_name) \ + PSEC_TO_MSEC(NAND_COMMON_TIMING_PS((conf), timing_name)) + +#define NAND_COMMON_TIMING_NS(conf, timing_name) \ + PSEC_TO_NSEC(NAND_COMMON_TIMING_PS((conf), timing_name)) + +/** * enum nand_interface_type - NAND interface type * @NAND_SDR_IFACE: Single Data Rate interface + * @NAND_NVDDR_IFACE: Double Data Rate interface */ enum nand_interface_type { NAND_SDR_IFACE, + NAND_NVDDR_IFACE, }; /** @@ -485,6 +602,7 @@ enum nand_interface_type { * @timings: The timing information * @timings.mode: Timing mode as defined in the specification * @timings.sdr: Use it when @type is %NAND_SDR_IFACE. + * @timings.nvddr: Use it when @type is %NAND_NVDDR_IFACE. */ struct nand_interface_config { enum nand_interface_type type; @@ -492,24 +610,56 @@ struct nand_interface_config { unsigned int mode; union { struct nand_sdr_timings sdr; + struct nand_nvddr_timings nvddr; }; } timings; }; /** + * nand_interface_is_sdr - get the interface type + * @conf: The data interface + */ +static bool nand_interface_is_sdr(const struct nand_interface_config *conf) +{ + return conf->type == NAND_SDR_IFACE; +} + +/** + * nand_interface_is_nvddr - get the interface type + * @conf: The data interface + */ +static bool nand_interface_is_nvddr(const struct nand_interface_config *conf) +{ + return conf->type == NAND_NVDDR_IFACE; +} + +/** * nand_get_sdr_timings - get SDR timing from data interface * @conf: The data interface */ static inline const struct nand_sdr_timings * nand_get_sdr_timings(const struct nand_interface_config *conf) { - if (conf->type != NAND_SDR_IFACE) + if (!nand_interface_is_sdr(conf)) return ERR_PTR(-EINVAL); return &conf->timings.sdr; } /** + * nand_get_nvddr_timings - get NV-DDR timing from data interface + * @conf: The data interface + */ +static inline const struct nand_nvddr_timings * +nand_get_nvddr_timings(const struct nand_interface_config *conf) +{ + if (!nand_interface_is_nvddr(conf)) + return ERR_PTR(-EINVAL); + + return &conf->timings.nvddr; +} + +/** * struct nand_op_cmd_instr - Definition of a command instruction * @opcode: the command to issue in one cycle */ @@ -1413,7 +1563,6 @@ void nand_cleanup(struct nand_chip *chip); * instruction and have no physical pin to check it. */ int nand_soft_waitrdy(struct nand_chip *chip, unsigned long timeout_ms); -struct gpio_desc; int nand_gpio_waitrdy(struct nand_chip *chip, struct gpio_desc *gpiod, unsigned long timeout_ms); @@ -1446,4 +1595,8 @@ static inline void *nand_get_data_buf(struct nand_chip *chip) return chip->data_buf; } +/* Parse the gpio-cs property */ +int rawnand_dt_parse_gpio_cs(struct device *dev, struct gpio_desc ***cs_array, + unsigned int *ncs_array); + #endif /* __LINUX_MTD_RAWNAND_H */ diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h index 98ed91b529ea..f67457748ed8 100644 --- a/include/linux/mtd/spi-nor.h +++ b/include/linux/mtd/spi-nor.h @@ -383,6 +383,7 @@ struct spi_nor_flash_parameter; * @read_proto: the SPI protocol for read operations * @write_proto: the SPI protocol for write operations * @reg_proto: the SPI protocol for read_reg/write_reg/erase operations + * @sfdp: the SFDP data of the flash * @controller_ops: SPI NOR controller driver specific operations. * @params: [FLASH-SPECIFIC] SPI NOR flash parameters and settings. * The structure includes legacy flash parameters and @@ -412,6 +413,7 @@ struct spi_nor { bool sst_write_second; u32 flags; enum spi_nor_cmd_ext cmd_ext_type; + struct sfdp *sfdp; const struct spi_nor_controller_ops *controller_ops; diff --git a/include/linux/mtd/spinand.h b/include/linux/mtd/spinand.h index 6bb92f26833e..6988956b8492 100644 --- a/include/linux/mtd/spinand.h +++ b/include/linux/mtd/spinand.h @@ -170,6 +170,28 @@ struct spinand_op; struct spinand_device; #define SPINAND_MAX_ID_LEN 4 +/* + * For erase, write and read operation, we got the following timings : + * tBERS (erase) 1ms to 4ms + * tPROG 300us to 400us + * tREAD 25us to 100us + * In order to minimize latency, the min value is divided by 4 for the + * initial delay, and dividing by 20 for the poll delay. + * For reset, 5us/10us/500us if the device is respectively + * reading/programming/erasing when the RESET occurs. Since we always + * issue a RESET when the device is IDLE, 5us is selected for both initial + * and poll delay. + */ +#define SPINAND_READ_INITIAL_DELAY_US 6 +#define SPINAND_READ_POLL_DELAY_US 5 +#define SPINAND_RESET_INITIAL_DELAY_US 5 +#define SPINAND_RESET_POLL_DELAY_US 5 +#define SPINAND_WRITE_INITIAL_DELAY_US 75 +#define SPINAND_WRITE_POLL_DELAY_US 15 +#define SPINAND_ERASE_INITIAL_DELAY_US 250 +#define SPINAND_ERASE_POLL_DELAY_US 50 + +#define SPINAND_WAITRDY_TIMEOUT_MS 400 /** * struct spinand_id - SPI NAND id structure diff --git a/include/linux/mutex.h b/include/linux/mutex.h index e19323521f9c..8f226d460f51 100644 --- a/include/linux/mutex.h +++ b/include/linux/mutex.h @@ -20,8 +20,17 @@ #include <linux/osq_lock.h> #include <linux/debug_locks.h> -struct ww_class; -struct ww_acquire_ctx; +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \ + , .dep_map = { \ + .name = #lockname, \ + .wait_type_inner = LD_WAIT_SLEEP, \ + } +#else +# define __DEP_MAP_MUTEX_INITIALIZER(lockname) +#endif + +#ifndef CONFIG_PREEMPT_RT /* * Simple, straightforward mutexes with strict semantics: @@ -53,7 +62,7 @@ struct ww_acquire_ctx; */ struct mutex { atomic_long_t owner; - spinlock_t wait_lock; + raw_spinlock_t wait_lock; #ifdef CONFIG_MUTEX_SPIN_ON_OWNER struct optimistic_spin_queue osq; /* Spinner MCS lock */ #endif @@ -66,27 +75,6 @@ struct mutex { #endif }; -struct ww_mutex { - struct mutex base; - struct ww_acquire_ctx *ctx; -#ifdef CONFIG_DEBUG_MUTEXES - struct ww_class *ww_class; -#endif -}; - -/* - * This is the control structure for tasks blocked on mutex, - * which resides on the blocked task's kernel stack: - */ -struct mutex_waiter { - struct list_head list; - struct task_struct *task; - struct ww_acquire_ctx *ww_ctx; -#ifdef CONFIG_DEBUG_MUTEXES - void *magic; -#endif -}; - #ifdef CONFIG_DEBUG_MUTEXES #define __DEBUG_MUTEX_INITIALIZER(lockname) \ @@ -117,19 +105,9 @@ do { \ __mutex_init((mutex), #mutex, &__key); \ } while (0) -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define __DEP_MAP_MUTEX_INITIALIZER(lockname) \ - , .dep_map = { \ - .name = #lockname, \ - .wait_type_inner = LD_WAIT_SLEEP, \ - } -#else -# define __DEP_MAP_MUTEX_INITIALIZER(lockname) -#endif - #define __MUTEX_INITIALIZER(lockname) \ { .owner = ATOMIC_LONG_INIT(0) \ - , .wait_lock = __SPIN_LOCK_UNLOCKED(lockname.wait_lock) \ + , .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(lockname.wait_lock) \ , .wait_list = LIST_HEAD_INIT(lockname.wait_list) \ __DEBUG_MUTEX_INITIALIZER(lockname) \ __DEP_MAP_MUTEX_INITIALIZER(lockname) } @@ -148,6 +126,50 @@ extern void __mutex_init(struct mutex *lock, const char *name, */ extern bool mutex_is_locked(struct mutex *lock); +#else /* !CONFIG_PREEMPT_RT */ +/* + * Preempt-RT variant based on rtmutexes. + */ +#include <linux/rtmutex.h> + +struct mutex { + struct rt_mutex_base rtmutex; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +}; + +#define __MUTEX_INITIALIZER(mutexname) \ +{ \ + .rtmutex = __RT_MUTEX_BASE_INITIALIZER(mutexname.rtmutex) \ + __DEP_MAP_MUTEX_INITIALIZER(mutexname) \ +} + +#define DEFINE_MUTEX(mutexname) \ + struct mutex mutexname = __MUTEX_INITIALIZER(mutexname) + +extern void __mutex_rt_init(struct mutex *lock, const char *name, + struct lock_class_key *key); +extern int mutex_trylock(struct mutex *lock); + +static inline void mutex_destroy(struct mutex *lock) { } + +#define mutex_is_locked(l) rt_mutex_base_is_locked(&(l)->rtmutex) + +#define __mutex_init(mutex, name, key) \ +do { \ + rt_mutex_base_init(&(mutex)->rtmutex); \ + __mutex_rt_init((mutex), name, key); \ +} while (0) + +#define mutex_init(mutex) \ +do { \ + static struct lock_class_key __key; \ + \ + __mutex_init((mutex), #mutex, &__key); \ +} while (0) +#endif /* CONFIG_PREEMPT_RT */ + /* * See kernel/locking/mutex.c for detailed documentation of these APIs. * Also see Documentation/locking/mutex-design.rst. diff --git a/include/linux/mv643xx.h b/include/linux/mv643xx.h index 47e5679b48e1..000b126acfb6 100644 --- a/include/linux/mv643xx.h +++ b/include/linux/mv643xx.h @@ -918,12 +918,4 @@ extern void mv64340_irq_init(unsigned int base); -/* Watchdog Platform Device, Driver Data */ -#define MV64x60_WDT_NAME "mv64x60_wdt" - -struct mv64x60_wdt_pdata { - int timeout; /* watchdog expiry in seconds, default 10 */ - int bus_clk; /* bus clock in MHz, default 133 */ -}; - #endif /* __ASM_MV643XX_H */ diff --git a/include/linux/n_r3964.h b/include/linux/n_r3964.h deleted file mode 100644 index 90a803aa42e8..000000000000 --- a/include/linux/n_r3964.h +++ /dev/null @@ -1,175 +0,0 @@ -/* r3964 linediscipline for linux - * - * ----------------------------------------------------------- - * Copyright by - * Philips Automation Projects - * Kassel (Germany) - * ----------------------------------------------------------- - * This software may be used and distributed according to the terms of - * the GNU General Public License, incorporated herein by reference. - * - * Author: - * L. Haag - * - * $Log: r3964.h,v $ - * Revision 1.4 2005/12/21 19:54:24 Kurt Huwig <kurt huwig de> - * Fixed HZ usage on 2.6 kernels - * Removed unnecessary include - * - * Revision 1.3 2001/03/18 13:02:24 dwmw2 - * Fix timer usage, use spinlocks properly. - * - * Revision 1.2 2001/03/18 12:53:15 dwmw2 - * Merge changes in 2.4.2 - * - * Revision 1.1.1.1 1998/10/13 16:43:14 dwmw2 - * This'll screw the version control - * - * Revision 1.6 1998/09/30 00:40:38 dwmw2 - * Updated to use kernel's N_R3964 if available - * - * Revision 1.4 1998/04/02 20:29:44 lhaag - * select, blocking, ... - * - * Revision 1.3 1998/02/12 18:58:43 root - * fixed some memory leaks - * calculation of checksum characters - * - * Revision 1.2 1998/02/07 13:03:17 root - * ioctl read_telegram - * - * Revision 1.1 1998/02/06 19:19:43 root - * Initial revision - * - * - */ -#ifndef __LINUX_N_R3964_H__ -#define __LINUX_N_R3964_H__ - - -#include <linux/param.h> -#include <uapi/linux/n_r3964.h> - -/* - * Common ascii handshake characters: - */ - -#define STX 0x02 -#define ETX 0x03 -#define DLE 0x10 -#define NAK 0x15 - -/* - * Timeouts (from milliseconds to jiffies) - */ - -#define R3964_TO_QVZ ((550)*HZ/1000) -#define R3964_TO_ZVZ ((220)*HZ/1000) -#define R3964_TO_NO_BUF ((400)*HZ/1000) -#define R3964_NO_TX_ROOM ((100)*HZ/1000) -#define R3964_TO_RX_PANIC ((4000)*HZ/1000) -#define R3964_MAX_RETRIES 5 - - -enum { R3964_IDLE, - R3964_TX_REQUEST, R3964_TRANSMITTING, - R3964_WAIT_ZVZ_BEFORE_TX_RETRY, R3964_WAIT_FOR_TX_ACK, - R3964_WAIT_FOR_RX_BUF, - R3964_RECEIVING, R3964_WAIT_FOR_BCC, R3964_WAIT_FOR_RX_REPEAT - }; - -/* - * All open file-handles are 'clients' and are stored in a linked list: - */ - -struct r3964_message; - -struct r3964_client_info { - spinlock_t lock; - struct pid *pid; - unsigned int sig_flags; - - struct r3964_client_info *next; - - struct r3964_message *first_msg; - struct r3964_message *last_msg; - struct r3964_block_header *next_block_to_read; - int msg_count; -}; - - - -struct r3964_block_header; - -/* internal version of client_message: */ -struct r3964_message { - int msg_id; - int arg; - int error_code; - struct r3964_block_header *block; - struct r3964_message *next; -}; - -/* - * Header of received block in rx_buf/tx_buf: - */ - -struct r3964_block_header -{ - unsigned int length; /* length in chars without header */ - unsigned char *data; /* usually data is located - immediately behind this struct */ - unsigned int locks; /* only used in rx_buffer */ - - struct r3964_block_header *next; - struct r3964_client_info *owner; /* =NULL in rx_buffer */ -}; - -/* - * If rx_buf hasn't enough space to store R3964_MTU chars, - * we will reject all incoming STX-requests by sending NAK. - */ - -#define RX_BUF_SIZE 4000 -#define TX_BUF_SIZE 4000 -#define R3964_MAX_BLOCKS_IN_RX_QUEUE 100 - -#define R3964_PARITY 0x0001 -#define R3964_FRAME 0x0002 -#define R3964_OVERRUN 0x0004 -#define R3964_UNKNOWN 0x0008 -#define R3964_BREAK 0x0010 -#define R3964_CHECKSUM 0x0020 -#define R3964_ERROR 0x003f -#define R3964_BCC 0x4000 -#define R3964_DEBUG 0x8000 - - -struct r3964_info { - spinlock_t lock; - struct tty_struct *tty; - unsigned char priority; - unsigned char *rx_buf; /* ring buffer */ - unsigned char *tx_buf; - - struct r3964_block_header *rx_first; - struct r3964_block_header *rx_last; - struct r3964_block_header *tx_first; - struct r3964_block_header *tx_last; - unsigned int tx_position; - unsigned int rx_position; - unsigned char last_rx; - unsigned char bcc; - unsigned int blocks_in_rx_queue; - - struct mutex read_lock; /* serialize r3964_read */ - - struct r3964_client_info *firstClient; - unsigned int state; - unsigned int flags; - - struct timer_list tmr; - int nRetry; -}; - -#endif diff --git a/include/linux/namei.h b/include/linux/namei.h index b9605b2b46e7..e89329bb3134 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -36,9 +36,6 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT}; /* internal use only */ #define LOOKUP_PARENT 0x0010 -#define LOOKUP_JUMPED 0x1000 -#define LOOKUP_ROOT 0x2000 -#define LOOKUP_ROOT_GRABBED 0x0008 /* Scoping flags for lookup. */ #define LOOKUP_NO_SYMLINKS 0x010000 /* No symlink crossing. */ @@ -71,6 +68,7 @@ extern struct dentry *try_lookup_one_len(const char *, struct dentry *, int); extern struct dentry *lookup_one_len(const char *, struct dentry *, int); extern struct dentry *lookup_one_len_unlocked(const char *, struct dentry *, int); extern struct dentry *lookup_positive_unlocked(const char *, struct dentry *, int); +struct dentry *lookup_one(struct user_namespace *, const char *, struct dentry *, int); extern int follow_down_one(struct path *); extern int follow_down(struct path *); diff --git a/include/linux/net/intel/i40e_client.h b/include/linux/net/intel/i40e_client.h index f41387a8969f..6b3267b49755 100644 --- a/include/linux/net/intel/i40e_client.h +++ b/include/linux/net/intel/i40e_client.h @@ -4,6 +4,8 @@ #ifndef _I40E_CLIENT_H_ #define _I40E_CLIENT_H_ +#include <linux/auxiliary_bus.h> + #define I40E_CLIENT_STR_LENGTH 10 /* Client interface version should be updated anytime there is a change in the @@ -48,7 +50,7 @@ struct i40e_qv_info { struct i40e_qvlist_info { u32 num_vectors; - struct i40e_qv_info qv_info[1]; + struct i40e_qv_info qv_info[]; }; @@ -78,6 +80,7 @@ struct i40e_info { u8 lanmac[6]; struct net_device *netdev; struct pci_dev *pcidev; + struct auxiliary_device *aux_dev; u8 __iomem *hw_addr; u8 fid; /* function id, PF id or VF id */ #define I40E_CLIENT_FTYPE_PF 0 @@ -100,6 +103,11 @@ struct i40e_info { u32 fw_build; /* firmware build number */ }; +struct i40e_auxiliary_device { + struct auxiliary_device aux_dev; + struct i40e_info *ldev; +}; + #define I40E_CLIENT_RESET_LEVEL_PF 1 #define I40E_CLIENT_RESET_LEVEL_CORE 2 #define I40E_CLIENT_VSI_FLAG_TCP_ENABLE BIT(1) @@ -187,8 +195,7 @@ static inline bool i40e_client_is_registered(struct i40e_client *client) return test_bit(__I40E_CLIENT_REGISTERED, &client->state); } -/* used by clients */ -int i40e_register_client(struct i40e_client *client); -int i40e_unregister_client(struct i40e_client *client); +void i40e_client_device_register(struct i40e_info *ldev, struct i40e_client *client); +void i40e_client_device_unregister(struct i40e_info *ldev); #endif /* _I40E_CLIENT_H_ */ diff --git a/include/linux/net/intel/iidc.h b/include/linux/net/intel/iidc.h new file mode 100644 index 000000000000..e32f6712aee0 --- /dev/null +++ b/include/linux/net/intel/iidc.h @@ -0,0 +1,100 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2021, Intel Corporation. */ + +#ifndef _IIDC_H_ +#define _IIDC_H_ + +#include <linux/auxiliary_bus.h> +#include <linux/dcbnl.h> +#include <linux/device.h> +#include <linux/if_ether.h> +#include <linux/kernel.h> +#include <linux/netdevice.h> + +enum iidc_event_type { + IIDC_EVENT_BEFORE_MTU_CHANGE, + IIDC_EVENT_AFTER_MTU_CHANGE, + IIDC_EVENT_BEFORE_TC_CHANGE, + IIDC_EVENT_AFTER_TC_CHANGE, + IIDC_EVENT_CRIT_ERR, + IIDC_EVENT_NBITS /* must be last */ +}; + +enum iidc_reset_type { + IIDC_PFR, + IIDC_CORER, + IIDC_GLOBR, +}; + +#define IIDC_MAX_USER_PRIORITY 8 + +/* Struct to hold per RDMA Qset info */ +struct iidc_rdma_qset_params { + /* Qset TEID returned to the RDMA driver in + * ice_add_rdma_qset and used by RDMA driver + * for calls to ice_del_rdma_qset + */ + u32 teid; /* Qset TEID */ + u16 qs_handle; /* RDMA driver provides this */ + u16 vport_id; /* VSI index */ + u8 tc; /* TC branch the Qset should belong to */ +}; + +struct iidc_qos_info { + u64 tc_ctx; + u8 rel_bw; + u8 prio_type; + u8 egress_virt_up; + u8 ingress_virt_up; +}; + +/* Struct to pass QoS info */ +struct iidc_qos_params { + struct iidc_qos_info tc_info[IEEE_8021QAZ_MAX_TCS]; + u8 up2tc[IIDC_MAX_USER_PRIORITY]; + u8 vport_relative_bw; + u8 vport_priority_type; + u8 num_tc; +}; + +struct iidc_event { + DECLARE_BITMAP(type, IIDC_EVENT_NBITS); + u32 reg; +}; + +struct ice_pf; + +int ice_add_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset); +int ice_del_rdma_qset(struct ice_pf *pf, struct iidc_rdma_qset_params *qset); +int ice_rdma_request_reset(struct ice_pf *pf, enum iidc_reset_type reset_type); +int ice_rdma_update_vsi_filter(struct ice_pf *pf, u16 vsi_id, bool enable); +void ice_get_qos_params(struct ice_pf *pf, struct iidc_qos_params *qos); + +#define IIDC_RDMA_ROCE_NAME "roce" + +/* Structure representing auxiliary driver tailored information about the core + * PCI dev, each auxiliary driver using the IIDC interface will have an + * instance of this struct dedicated to it. + */ + +struct iidc_auxiliary_dev { + struct auxiliary_device adev; + struct ice_pf *pf; +}; + +/* structure representing the auxiliary driver. This struct is to be + * allocated and populated by the auxiliary driver's owner. The core PCI + * driver will access these ops by performing a container_of on the + * auxiliary_device->dev.driver. + */ +struct iidc_auxiliary_drv { + struct auxiliary_driver adrv; + /* This event_handler is meant to be a blocking call. For instance, + * when a BEFORE_MTU_CHANGE event comes in, the event_handler will not + * return until the auxiliary driver is ready for the MTU change to + * happen. + */ + void (*event_handler)(struct ice_pf *pf, struct iidc_event *event); +}; + +#endif /* _IIDC_H_*/ diff --git a/include/linux/netdev_features.h b/include/linux/netdev_features.h index 3de38d6a0aea..2c6b9e416225 100644 --- a/include/linux/netdev_features.h +++ b/include/linux/netdev_features.h @@ -93,7 +93,7 @@ enum { /* * Add your fresh new feature above and remember to update - * netdev_features_strings[] in net/core/ethtool.c and maybe + * netdev_features_strings[] in net/ethtool/common.c and maybe * some feature mask #defines below. Please also describe it * in Documentation/networking/netdev-features.rst. */ diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 5cbc950b34df..d79163208dfd 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -47,6 +47,7 @@ #include <uapi/linux/if_bonding.h> #include <uapi/linux/pkt_cls.h> #include <linux/hashtable.h> +#include <linux/rbtree.h> struct netpoll_info; struct device; @@ -208,6 +209,7 @@ struct sk_buff; struct netdev_hw_addr { struct list_head list; + struct rb_node node; unsigned char addr[MAX_ADDR_LEN]; unsigned char type; #define NETDEV_HW_ADDR_T_LAN 1 @@ -224,6 +226,9 @@ struct netdev_hw_addr { struct netdev_hw_addr_list { struct list_head list; int count; + + /* Auxiliary tree for faster lookup on addition and deletion */ + struct rb_root tree; }; #define netdev_hw_addr_list_count(l) ((l)->count) @@ -295,18 +300,6 @@ enum netdev_state_t { }; -/* - * This structure holds boot-time configured netdevice settings. They - * are then used in the device probing. - */ -struct netdev_boot_setup { - char name[IFNAMSIZ]; - struct ifmap map; -}; -#define NETDEV_BOOT_SETUP_MAX 8 - -int __init netdev_boot_setup(char *str); - struct gro_list { struct list_head list; int count; @@ -734,13 +727,13 @@ bool rps_may_expire_flow(struct net_device *dev, u16 rxq_index, u32 flow_id, /* This structure contains an instance of an RX queue. */ struct netdev_rx_queue { + struct xdp_rxq_info xdp_rxq; #ifdef CONFIG_RPS struct rps_map __rcu *rps_map; struct rps_dev_flow_table __rcu *rps_flow_table; #endif struct kobject kobj; struct net_device *dev; - struct xdp_rxq_info xdp_rxq; #ifdef CONFIG_XDP_SOCKETS struct xsk_buff_pool *pool; #endif @@ -1086,9 +1079,18 @@ struct netdev_net_notifier { * Test if Media Access Control address is valid for the device. * * int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); - * Called when a user requests an ioctl which can't be handled by - * the generic interface code. If not defined ioctls return - * not supported error code. + * Old-style ioctl entry point. This is used internally by the + * appletalk and ieee802154 subsystems but is no longer called by + * the device ioctl handler. + * + * int (*ndo_siocbond)(struct net_device *dev, struct ifreq *ifr, int cmd); + * Used by the bonding driver for its device specific ioctls: + * SIOCBONDENSLAVE, SIOCBONDRELEASE, SIOCBONDSETHWADDR, SIOCBONDCHANGEACTIVE, + * SIOCBONDSLAVEINFOQUERY, and SIOCBONDINFOQUERY + * + * * int (*ndo_eth_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); + * Called for ethernet specific ioctls: SIOCGMIIPHY, SIOCGMIIREG, + * SIOCSMIIREG, SIOCSHWTSTAMP and SIOCGHWTSTAMP. * * int (*ndo_set_config)(struct net_device *dev, struct ifmap *map); * Used to set network devices bus interface parameters. This interface @@ -1321,6 +1323,9 @@ struct netdev_net_notifier { * that got dropped are freed/returned via xdp_return_frame(). * Returns negative number, means general error invoking ndo, meaning * no frames were xmit'ed and core-caller will free all frames. + * struct net_device *(*ndo_xdp_get_xmit_slave)(struct net_device *dev, + * struct xdp_buff *xdp); + * Get the xmit slave of master device based on the xdp_buff. * int (*ndo_xsk_wakeup)(struct net_device *dev, u32 queue_id, u32 flags); * This function is used to wake up the softirq, ksoftirqd or kthread * responsible for sending and/or receiving packets on a specific @@ -1361,6 +1366,15 @@ struct net_device_ops { int (*ndo_validate_addr)(struct net_device *dev); int (*ndo_do_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd); + int (*ndo_eth_ioctl)(struct net_device *dev, + struct ifreq *ifr, int cmd); + int (*ndo_siocbond)(struct net_device *dev, + struct ifreq *ifr, int cmd); + int (*ndo_siocwandev)(struct net_device *dev, + struct if_settings *ifs); + int (*ndo_siocdevprivate)(struct net_device *dev, + struct ifreq *ifr, + void __user *data, int cmd); int (*ndo_set_config)(struct net_device *dev, struct ifmap *map); int (*ndo_change_mtu)(struct net_device *dev, @@ -1539,6 +1553,8 @@ struct net_device_ops { int (*ndo_xdp_xmit)(struct net_device *dev, int n, struct xdp_frame **xdp, u32 flags); + struct net_device * (*ndo_xdp_get_xmit_slave)(struct net_device *dev, + struct xdp_buff *xdp); int (*ndo_xsk_wakeup)(struct net_device *dev, u32 queue_id, u32 flags); struct devlink_port * (*ndo_get_devlink_port)(struct net_device *dev); @@ -1805,6 +1821,7 @@ enum netdev_ml_priv_type { * @ieee802154_ptr: IEEE 802.15.4 low-rate Wireless Personal Area Network * device struct * @mpls_ptr: mpls_dev struct pointer + * @mctp_ptr: MCTP specific data * * @dev_addr: Hw address (before bcast, * because most packets are unicast) @@ -2092,6 +2109,9 @@ struct net_device { #if IS_ENABLED(CONFIG_MPLS_ROUTING) struct mpls_dev __rcu *mpls_ptr; #endif +#if IS_ENABLED(CONFIG_MCTP) + struct mctp_dev __rcu *mctp_ptr; +#endif /* * Cache lines mostly used on receive path (including eth_type_trans()) @@ -2917,7 +2937,6 @@ static inline struct net_device *first_net_device_rcu(struct net *net) } int netdev_boot_setup_check(struct net_device *dev); -unsigned long netdev_boot_base(const char *prefix, int unit); struct net_device *dev_getbyhwaddr_rcu(struct net *net, unsigned short type, const char *hwaddr); struct net_device *dev_getfirstbyhwtype(struct net *net, unsigned short type); @@ -3289,14 +3308,6 @@ static inline bool dev_has_header(const struct net_device *dev) return dev->header_ops && dev->header_ops->create; } -typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, - int len, int size); -int register_gifconf(unsigned int family, gifconf_func_t *gifconf); -static inline int unregister_gifconf(unsigned int family) -{ - return register_gifconf(family, NULL); -} - #ifdef CONFIG_NET_FLOW_LIMIT #define FLOW_LIMIT_HISTORY (1 << 7) /* must be ^2 and !overflow buckets */ struct sd_flow_limit { @@ -3915,6 +3926,8 @@ static inline int netif_set_real_num_rx_queues(struct net_device *dev, return 0; } #endif +int netif_set_real_num_queues(struct net_device *dev, + unsigned int txq, unsigned int rxq); static inline struct netdev_rx_queue * __netif_get_rx_queue(struct net_device *dev, unsigned int rxq) @@ -3948,7 +3961,7 @@ void __dev_kfree_skb_any(struct sk_buff *skb, enum skb_free_reason reason); /* * It is not allowed to call kfree_skb() or consume_skb() from hardware * interrupt context or with hardware interrupts being disabled. - * (in_irq() || irqs_disabled()) + * (in_hardirq() || irqs_disabled()) * * We provide four helpers that can be used in following contexts : * @@ -3984,6 +3997,8 @@ static inline void dev_consume_skb_any(struct sk_buff *skb) __dev_kfree_skb_any(skb, SKB_REASON_CONSUMED); } +u32 bpf_prog_run_generic_xdp(struct sk_buff *skb, struct xdp_buff *xdp, + struct bpf_prog *xdp_prog); void generic_xdp_tx(struct sk_buff *skb, struct bpf_prog *xdp_prog); int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff *skb); int netif_rx(struct sk_buff *skb); @@ -4012,10 +4027,16 @@ int netdev_rx_handler_register(struct net_device *dev, void netdev_rx_handler_unregister(struct net_device *dev); bool dev_valid_name(const char *name); +static inline bool is_socket_ioctl_cmd(unsigned int cmd) +{ + return _IOC_TYPE(cmd) == SOCK_IOC_TYPE; +} +int get_user_ifreq(struct ifreq *ifr, void __user **ifrdata, void __user *arg); +int put_user_ifreq(struct ifreq *ifr, void __user *arg); int dev_ioctl(struct net *net, unsigned int cmd, struct ifreq *ifr, - bool *need_copyout); -int dev_ifconf(struct net *net, struct ifconf *, int); -int dev_ethtool(struct net *net, struct ifreq *); + void __user *data, bool *need_copyout); +int dev_ifconf(struct net *net, struct ifconf __user *ifc); +int dev_ethtool(struct net *net, struct ifreq *ifr, void __user *userdata); unsigned int dev_get_flags(const struct net_device *); int __dev_change_flags(struct net_device *dev, unsigned int flags, struct netlink_ext_ack *extack); @@ -4069,6 +4090,7 @@ typedef int (*bpf_op_t)(struct net_device *dev, struct netdev_bpf *bpf); int dev_change_xdp_fd(struct net_device *dev, struct netlink_ext_ack *extack, int fd, int expected_fd, u32 flags); int bpf_xdp_link_attach(const union bpf_attr *attr, struct bpf_prog *prog); +u8 dev_xdp_prog_count(struct net_device *dev); u32 dev_xdp_prog_id(struct net_device *dev, enum bpf_xdp_mode mode); int __dev_forward_skb(struct net_device *dev, struct sk_buff *skb); @@ -4114,7 +4136,7 @@ static __always_inline int ____dev_forward_skb(struct net_device *dev, return NET_RX_DROP; } - skb_scrub_packet(skb, true); + skb_scrub_packet(skb, !net_eq(dev_net(dev), dev_net(skb->dev))); skb->priority = 0; return 0; } @@ -4136,11 +4158,13 @@ void netdev_run_todo(void); */ static inline void dev_put(struct net_device *dev) { + if (dev) { #ifdef CONFIG_PCPU_DEV_REFCNT - this_cpu_dec(*dev->pcpu_refcnt); + this_cpu_dec(*dev->pcpu_refcnt); #else - refcount_dec(&dev->dev_refcnt); + refcount_dec(&dev->dev_refcnt); #endif + } } /** @@ -4151,11 +4175,13 @@ static inline void dev_put(struct net_device *dev) */ static inline void dev_hold(struct net_device *dev) { + if (dev) { #ifdef CONFIG_PCPU_DEV_REFCNT - this_cpu_inc(*dev->pcpu_refcnt); + this_cpu_inc(*dev->pcpu_refcnt); #else - refcount_inc(&dev->dev_refcnt); + refcount_inc(&dev->dev_refcnt); #endif + } } /* Carrier loss detection, dial on demand. The functions netif_carrier_on @@ -4187,8 +4213,8 @@ unsigned long dev_trans_start(struct net_device *dev); void __netdev_watchdog_up(struct net_device *dev); void netif_carrier_on(struct net_device *dev); - void netif_carrier_off(struct net_device *dev); +void netif_carrier_event(struct net_device *dev); /** * netif_dormant_on - mark device as dormant. @@ -4615,6 +4641,24 @@ void __hw_addr_unsync_dev(struct netdev_hw_addr_list *list, void __hw_addr_init(struct netdev_hw_addr_list *list); /* Functions used for device addresses handling */ +static inline void +__dev_addr_set(struct net_device *dev, const u8 *addr, size_t len) +{ + memcpy(dev->dev_addr, addr, len); +} + +static inline void dev_addr_set(struct net_device *dev, const u8 *addr) +{ + __dev_addr_set(dev, addr, dev->addr_len); +} + +static inline void +dev_addr_mod(struct net_device *dev, unsigned int offset, + const u8 *addr, size_t len) +{ + memcpy(&dev->dev_addr[offset], addr, len); +} + int dev_addr_add(struct net_device *dev, const unsigned char *addr, unsigned char addr_type); int dev_addr_del(struct net_device *dev, const unsigned char *addr, diff --git a/include/linux/netfilter.h b/include/linux/netfilter.h index f0f3a8354c3c..3fda1a508733 100644 --- a/include/linux/netfilter.h +++ b/include/linux/netfilter.h @@ -65,8 +65,8 @@ struct nf_hook_ops; struct sock; struct nf_hook_state { - unsigned int hook; - u_int8_t pf; + u8 hook; + u8 pf; struct net_device *in; struct net_device *out; struct sock *sk; @@ -77,12 +77,18 @@ struct nf_hook_state { typedef unsigned int nf_hookfn(void *priv, struct sk_buff *skb, const struct nf_hook_state *state); +enum nf_hook_ops_type { + NF_HOOK_OP_UNDEFINED, + NF_HOOK_OP_NF_TABLES, +}; + struct nf_hook_ops { /* User fills in from here down. */ nf_hookfn *hook; struct net_device *dev; void *priv; - u_int8_t pf; + u8 pf; + enum nf_hook_ops_type hook_ops_type:8; unsigned int hooknum; /* Hooks are ordered in ascending priority. */ int priority; diff --git a/include/linux/netfilter/ipset/ip_set.h b/include/linux/netfilter/ipset/ip_set.h index 10279c4830ac..ada1296c87d5 100644 --- a/include/linux/netfilter/ipset/ip_set.h +++ b/include/linux/netfilter/ipset/ip_set.h @@ -196,6 +196,9 @@ struct ip_set_region { u32 elements; /* Number of elements vs timeout */ }; +/* Max range where every element is added/deleted in one step */ +#define IPSET_MAX_RANGE (1<<20) + /* The max revision number supported by any set type + 1 */ #define IPSET_REVISION_MAX 9 diff --git a/include/linux/netfilter/nf_conntrack_common.h b/include/linux/netfilter/nf_conntrack_common.h index 0c7d8d1e945d..700ea077ce2d 100644 --- a/include/linux/netfilter/nf_conntrack_common.h +++ b/include/linux/netfilter/nf_conntrack_common.h @@ -18,6 +18,7 @@ struct ip_conntrack_stat { unsigned int expect_create; unsigned int expect_delete; unsigned int search_restart; + unsigned int chaintoolong; }; #define NFCT_INFOMASK 7UL diff --git a/include/linux/netfilter/nfnetlink.h b/include/linux/netfilter/nfnetlink.h index 515ce53aa20d..241e005f290a 100644 --- a/include/linux/netfilter/nfnetlink.h +++ b/include/linux/netfilter/nfnetlink.h @@ -11,6 +11,7 @@ struct nfnl_info { struct net *net; struct sock *sk; const struct nlmsghdr *nlh; + const struct nfgenmsg *nfmsg; struct netlink_ext_ack *extack; }; diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h index 07c6ad8f2a02..5897f3dbaf7c 100644 --- a/include/linux/netfilter/x_tables.h +++ b/include/linux/netfilter/x_tables.h @@ -36,8 +36,8 @@ struct xt_action_param { const void *matchinfo, *targinfo; }; const struct nf_hook_state *state; - int fragoff; unsigned int thoff; + u16 fragoff; bool hotdrop; }; @@ -238,9 +238,6 @@ struct xt_table { u_int8_t af; /* address/protocol family */ int priority; /* hook order */ - /* called when table is needed in the given netns */ - int (*table_init)(struct net *net); - /* A unique name... */ const char name[XT_TABLE_MAXNAMELEN]; }; @@ -452,6 +449,9 @@ xt_get_per_cpu_counter(struct xt_counters *cnt, unsigned int cpu) struct nf_hook_ops *xt_hook_ops_alloc(const struct xt_table *, nf_hookfn *); +int xt_register_template(const struct xt_table *t, int(*table_init)(struct net *net)); +void xt_unregister_template(const struct xt_table *t); + #ifdef CONFIG_NETFILTER_XTABLES_COMPAT #include <net/compat.h> diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h index a8178253ce53..10a01978bc0d 100644 --- a/include/linux/netfilter_bridge/ebtables.h +++ b/include/linux/netfilter_bridge/ebtables.h @@ -127,4 +127,6 @@ static inline bool ebt_invalid_target(int target) return (target < -NUM_STANDARD_TARGETS || target >= 0); } +int ebt_register_template(const struct ebt_table *t, int(*table_init)(struct net *net)); +void ebt_unregister_template(const struct ebt_table *t); #endif diff --git a/include/linux/netfs.h b/include/linux/netfs.h index 9062adfa2fb9..5d6a4158a9a6 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -102,6 +102,7 @@ struct netfs_cache_resources { const struct netfs_cache_ops *ops; void *cache_priv; void *cache_priv2; + unsigned int debug_id; /* Cookie debug ID */ }; /* @@ -137,7 +138,6 @@ struct netfs_read_request { struct list_head subrequests; /* Requests to fetch I/O from disk or net */ void *netfs_priv; /* Private data for the netfs */ unsigned int debug_id; - unsigned int cookie_debug_id; atomic_t nr_rd_ops; /* Number of read ops in progress */ atomic_t nr_wr_ops; /* Number of write ops in progress */ size_t submitted; /* Amount submitted for I/O so far */ diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index ffba254d2098..b9a8b925db43 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -41,6 +41,11 @@ #include <linux/mempool.h> /* + * These are the default for number of transports to different server IPs + */ +#define NFS_MAX_TRANSPORTS 16 + +/* * These are the default flags for swap requests */ #define NFS_RPC_SWAPFLAGS (RPC_TASK_SWAPPER|RPC_TASK_ROOTCREDS) @@ -84,6 +89,7 @@ struct nfs_open_context { #define NFS_CONTEXT_RESEND_WRITES (1) #define NFS_CONTEXT_BAD (2) #define NFS_CONTEXT_UNLOCK (3) +#define NFS_CONTEXT_FILE_OPEN (4) int error; struct list_head list; diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h index d71a0e90faeb..2a9acbfe00f0 100644 --- a/include/linux/nfs_fs_sb.h +++ b/include/linux/nfs_fs_sb.h @@ -62,6 +62,7 @@ struct nfs_client { u32 cl_minorversion;/* NFSv4 minorversion */ unsigned int cl_nconnect; /* Number of connections */ + unsigned int cl_max_connect; /* max number of xprts allowed */ const char * cl_principal; /* used for machine cred */ #if IS_ENABLED(CONFIG_NFS_V4) diff --git a/include/linux/nfs_ssc.h b/include/linux/nfs_ssc.h index f5ba0fbff72f..222ae8883e85 100644 --- a/include/linux/nfs_ssc.h +++ b/include/linux/nfs_ssc.h @@ -8,6 +8,7 @@ */ #include <linux/nfs_fs.h> +#include <linux/sunrpc/svc.h> extern struct nfs_ssc_client_ops_tbl nfs_ssc_client_tbl; @@ -52,6 +53,19 @@ static inline void nfs42_ssc_close(struct file *filep) if (nfs_ssc_client_tbl.ssc_nfs4_ops) (*nfs_ssc_client_tbl.ssc_nfs4_ops->sco_close)(filep); } + +struct nfsd4_ssc_umount_item { + struct list_head nsui_list; + bool nsui_busy; + /* + * nsui_refcnt inited to 2, 1 on list and 1 for consumer. Entry + * is removed when refcnt drops to 1 and nsui_expire expires. + */ + refcount_t nsui_refcnt; + unsigned long nsui_expire; + struct vfsmount *nsui_vfsmount; + char nsui_ipaddr[RPC_MAX_ADDRBUFLEN]; +}; #endif /* diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 717ecc87c9e7..e9698b6278a5 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -277,6 +277,7 @@ struct nfs4_layoutget { struct nfs4_layoutget_args args; struct nfs4_layoutget_res res; const struct cred *cred; + struct pnfs_layout_hdr *lo; gfp_t gfp_flags; }; diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index ac398e143c9a..567c3ddba2c4 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -119,7 +119,7 @@ static inline const unsigned long *__nodemask_pr_bits(const nodemask_t *m) * The inline keyword gives the compiler room to decide to inline, or * not inline a function as it sees best. However, as these functions * are called in both __init and non-__init functions, if they are not - * inlined we will end up with a section mis-match error (of the type of + * inlined we will end up with a section mismatch error (of the type of * freeable items not being freed). So we must use __always_inline here * to fix the problem. If other functions in the future also end up in * this situation they will also need to be annotated as __always_inline @@ -515,7 +515,7 @@ static inline int node_random(const nodemask_t *mask) #define for_each_online_node(node) for_each_node_state(node, N_ONLINE) /* - * For nodemask scrach area. + * For nodemask scratch area. * NODEMASK_ALLOC(type, name) allocates an object with a specified type and * name. */ @@ -528,7 +528,7 @@ static inline int node_random(const nodemask_t *mask) #define NODEMASK_FREE(m) do {} while (0) #endif -/* A example struture for using NODEMASK_ALLOC, used in mempolicy. */ +/* Example structure for using NODEMASK_ALLOC, used in mempolicy. */ struct nodemask_scratch { nodemask_t mask1; nodemask_t mask2; diff --git a/include/linux/notifier.h b/include/linux/notifier.h index 2fb373a5c1ed..87069b8459af 100644 --- a/include/linux/notifier.h +++ b/include/linux/notifier.h @@ -168,8 +168,6 @@ extern int raw_notifier_call_chain(struct raw_notifier_head *nh, extern int srcu_notifier_call_chain(struct srcu_notifier_head *nh, unsigned long val, void *v); -extern int atomic_notifier_call_chain_robust(struct atomic_notifier_head *nh, - unsigned long val_up, unsigned long val_down, void *v); extern int blocking_notifier_call_chain_robust(struct blocking_notifier_head *nh, unsigned long val_up, unsigned long val_down, void *v); extern int raw_notifier_call_chain_robust(struct raw_notifier_head *nh, diff --git a/include/linux/nubus.h b/include/linux/nubus.h index eba50b057f6f..392fc6c53e96 100644 --- a/include/linux/nubus.h +++ b/include/linux/nubus.h @@ -86,7 +86,7 @@ extern struct list_head nubus_func_rsrcs; struct nubus_driver { struct device_driver driver; int (*probe)(struct nubus_board *board); - int (*remove)(struct nubus_board *board); + void (*remove)(struct nubus_board *board); }; extern struct bus_type nubus_bus_type; diff --git a/include/linux/nvme.h b/include/linux/nvme.h index edcbd60b88b9..b7c4c4130b65 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -636,8 +636,8 @@ struct nvme_lba_range_type { __u8 type; __u8 attributes; __u8 rsvd2[14]; - __u64 slba; - __u64 nlb; + __le64 slba; + __le64 nlb; __u8 guid[16]; __u8 rsvd48[16]; }; @@ -944,6 +944,13 @@ struct nvme_zone_mgmt_recv_cmd { enum { NVME_ZRA_ZONE_REPORT = 0, NVME_ZRASF_ZONE_REPORT_ALL = 0, + NVME_ZRASF_ZONE_STATE_EMPTY = 0x01, + NVME_ZRASF_ZONE_STATE_IMP_OPEN = 0x02, + NVME_ZRASF_ZONE_STATE_EXP_OPEN = 0x03, + NVME_ZRASF_ZONE_STATE_CLOSED = 0x04, + NVME_ZRASF_ZONE_STATE_READONLY = 0x05, + NVME_ZRASF_ZONE_STATE_FULL = 0x06, + NVME_ZRASF_ZONE_STATE_OFFLINE = 0x07, NVME_REPORT_ZONE_PARTIAL = 1, }; @@ -1504,6 +1511,7 @@ enum { NVME_SC_NS_WRITE_PROTECTED = 0x20, NVME_SC_CMD_INTERRUPTED = 0x21, NVME_SC_TRANSIENT_TR_ERR = 0x22, + NVME_SC_INVALID_IO_CMD_SET = 0x2C, NVME_SC_LBA_RANGE = 0x80, NVME_SC_CAP_EXCEEDED = 0x81, diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 923dada24eb4..c0c0cefc3b92 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -150,6 +150,20 @@ static inline int nvmem_cell_read_u64(struct device *dev, return -EOPNOTSUPP; } +static inline int nvmem_cell_read_variable_le_u32(struct device *dev, + const char *cell_id, + u32 *val) +{ + return -EOPNOTSUPP; +} + +static inline int nvmem_cell_read_variable_le_u64(struct device *dev, + const char *cell_id, + u64 *val) +{ + return -EOPNOTSUPP; +} + static inline struct nvmem_device *nvmem_device_get(struct device *dev, const char *name) { diff --git a/include/linux/nvmem-provider.h b/include/linux/nvmem-provider.h index e162b757b6d5..104505e9028f 100644 --- a/include/linux/nvmem-provider.h +++ b/include/linux/nvmem-provider.h @@ -25,6 +25,7 @@ enum nvmem_type { NVMEM_TYPE_EEPROM, NVMEM_TYPE_OTP, NVMEM_TYPE_BATTERY_BACKED, + NVMEM_TYPE_FRAM, }; #define NVMEM_DEVID_NONE (-1) @@ -57,6 +58,7 @@ struct nvmem_keepout { * @type: Type of the nvmem storage * @read_only: Device is read-only. * @root_only: Device is accessibly to root only. + * @of_node: If given, this will be used instead of the parent's of_node. * @no_of_node: Device should not use the parent's of_node even if it's !NULL. * @reg_read: Callback to read data. * @reg_write: Callback to write data. @@ -86,6 +88,7 @@ struct nvmem_config { enum nvmem_type type; bool read_only; bool root_only; + struct device_node *of_node; bool no_of_node; nvmem_reg_read_t reg_read; nvmem_reg_write_t reg_write; diff --git a/include/linux/of.h b/include/linux/of.h index d8db8d3592fd..6f1c41f109bb 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -896,7 +896,7 @@ static inline int of_parse_phandle_with_fixed_args(const struct device_node *np, return -ENOSYS; } -static inline int of_count_phandle_with_args(struct device_node *np, +static inline int of_count_phandle_with_args(const struct device_node *np, const char *list_name, const char *cells_name) { @@ -946,6 +946,11 @@ static inline int of_machine_is_compatible(const char *compat) return 0; } +static inline int of_add_property(struct device_node *np, struct property *prop) +{ + return 0; +} + static inline int of_remove_property(struct device_node *np, struct property *prop) { return 0; @@ -1329,6 +1334,12 @@ static inline int of_get_available_child_count(const struct device_node *np) return num; } +#define _OF_DECLARE_STUB(table, name, compat, fn, fn_type) \ + static const struct of_device_id __of_table_##name \ + __attribute__((unused)) \ + = { .compatible = compat, \ + .data = (fn == (fn_type)NULL) ? fn : fn } + #if defined(CONFIG_OF) && !defined(MODULE) #define _OF_DECLARE(table, name, compat, fn, fn_type) \ static const struct of_device_id __of_table_##name \ @@ -1338,10 +1349,7 @@ static inline int of_get_available_child_count(const struct device_node *np) .data = (fn == (fn_type)NULL) ? fn : fn } #else #define _OF_DECLARE(table, name, compat, fn, fn_type) \ - static const struct of_device_id __of_table_##name \ - __attribute__((unused)) \ - = { .compatible = compat, \ - .data = (fn == (fn_type)NULL) ? fn : fn } + _OF_DECLARE_STUB(table, name, compat, fn, fn_type) #endif typedef int (*of_init_fn_2)(struct device_node *, struct device_node *); diff --git a/include/linux/of_address.h b/include/linux/of_address.h index 88bc943405cd..45598dbec269 100644 --- a/include/linux/of_address.h +++ b/include/linux/of_address.h @@ -51,8 +51,8 @@ void __iomem *of_io_request_and_map(struct device_node *device, * the address space flags too. The PCI version uses a BAR number * instead of an absolute index */ -extern const __be32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags); +extern const __be32 *__of_get_address(struct device_node *dev, int index, int bar_no, + u64 *size, unsigned int *flags); extern int of_pci_range_parser_init(struct of_pci_range_parser *parser, struct device_node *node); @@ -61,6 +61,11 @@ extern int of_pci_dma_range_parser_init(struct of_pci_range_parser *parser, extern struct of_pci_range *of_pci_range_parser_one( struct of_pci_range_parser *parser, struct of_pci_range *range); +extern int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r); +extern int of_pci_range_to_resource(struct of_pci_range *range, + struct device_node *np, + struct resource *res); extern bool of_dma_is_coherent(struct device_node *np); #else /* CONFIG_OF_ADDRESS */ static inline void __iomem *of_io_request_and_map(struct device_node *device, @@ -75,8 +80,8 @@ static inline u64 of_translate_address(struct device_node *np, return OF_BAD_ADDR; } -static inline const __be32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags) +static inline const __be32 *__of_get_address(struct device_node *dev, int index, int bar_no, + u64 *size, unsigned int *flags) { return NULL; } @@ -100,6 +105,19 @@ static inline struct of_pci_range *of_pci_range_parser_one( return NULL; } +static inline int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r) +{ + return -ENOSYS; +} + +static inline int of_pci_range_to_resource(struct of_pci_range *range, + struct device_node *np, + struct resource *res) +{ + return -ENOSYS; +} + static inline bool of_dma_is_coherent(struct device_node *np) { return false; @@ -124,32 +142,16 @@ static inline void __iomem *of_iomap(struct device_node *device, int index) #endif #define of_range_parser_init of_pci_range_parser_init -#if defined(CONFIG_OF_ADDRESS) && defined(CONFIG_PCI) -extern const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, - u64 *size, unsigned int *flags); -extern int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r); -extern int of_pci_range_to_resource(struct of_pci_range *range, - struct device_node *np, - struct resource *res); -#else /* CONFIG_OF_ADDRESS && CONFIG_PCI */ -static inline int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r) +static inline const __be32 *of_get_address(struct device_node *dev, int index, + u64 *size, unsigned int *flags) { - return -ENOSYS; + return __of_get_address(dev, index, -1, size, flags); } -static inline const __be32 *of_get_pci_address(struct device_node *dev, - int bar_no, u64 *size, unsigned int *flags) -{ - return NULL; -} -static inline int of_pci_range_to_resource(struct of_pci_range *range, - struct device_node *np, - struct resource *res) +static inline const __be32 *of_get_pci_address(struct device_node *dev, int bar_no, + u64 *size, unsigned int *flags) { - return -ENOSYS; + return __of_get_address(dev, -1, bar_no, size, flags); } -#endif /* CONFIG_OF_ADDRESS && CONFIG_PCI */ #endif /* __OF_ADDRESS_H */ diff --git a/include/linux/of_fdt.h b/include/linux/of_fdt.h index acf820e88952..cf6a65b94d40 100644 --- a/include/linux/of_fdt.h +++ b/include/linux/of_fdt.h @@ -67,9 +67,6 @@ extern void early_init_fdt_scan_reserved_mem(void); extern void early_init_fdt_reserve_self(void); extern void __init early_init_dt_scan_chosen_arch(unsigned long node); extern void early_init_dt_add_memory_arch(u64 base, u64 size); -extern int early_init_dt_mark_hotplug_memory_arch(u64 base, u64 size); -extern int early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, - bool no_map); extern u64 dt_mem_next_cell(int s, const __be32 **cellp); /* Early flat tree scan hooks */ diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index f821095218b0..8bf2ea859653 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -49,7 +49,7 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) return container_of(gc, struct of_mm_gpio_chip, gc); } -extern int of_get_named_gpio_flags(struct device_node *np, +extern int of_get_named_gpio_flags(const struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags); extern int of_mm_gpiochip_add_data(struct device_node *np, @@ -67,7 +67,7 @@ extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc); #include <linux/errno.h> /* Drivers may not strictly depend on the GPIO support, so let them link. */ -static inline int of_get_named_gpio_flags(struct device_node *np, +static inline int of_get_named_gpio_flags(const struct device_node *np, const char *list_name, int index, enum of_gpio_flags *flags) { if (flags) @@ -98,7 +98,8 @@ static inline int of_get_named_gpio_flags(struct device_node *np, * The above example defines four GPIOs, two of which are not specified. * This function will return '4' */ -static inline int of_gpio_named_count(struct device_node *np, const char* propname) +static inline int of_gpio_named_count(const struct device_node *np, + const char *propname) { return of_count_phandle_with_args(np, propname, "#gpio-cells"); } @@ -109,12 +110,12 @@ static inline int of_gpio_named_count(struct device_node *np, const char* propna * * Same as of_gpio_named_count, but hard coded to use the 'gpios' property */ -static inline int of_gpio_count(struct device_node *np) +static inline int of_gpio_count(const struct device_node *np) { return of_gpio_named_count(np, "gpios"); } -static inline int of_get_gpio_flags(struct device_node *np, int index, +static inline int of_get_gpio_flags(const struct device_node *np, int index, enum of_gpio_flags *flags) { return of_get_named_gpio_flags(np, "gpios", index, flags); @@ -129,7 +130,7 @@ static inline int of_get_gpio_flags(struct device_node *np, int index, * Returns GPIO number to use with Linux generic GPIO API, or one of the errno * value on the error condition. */ -static inline int of_get_named_gpio(struct device_node *np, +static inline int of_get_named_gpio(const struct device_node *np, const char *propname, int index) { return of_get_named_gpio_flags(np, propname, index, NULL); @@ -143,7 +144,7 @@ static inline int of_get_named_gpio(struct device_node *np, * Returns GPIO number to use with Linux generic GPIO API, or one of the errno * value on the error condition. */ -static inline int of_get_gpio(struct device_node *np, int index) +static inline int of_get_gpio(const struct device_node *np, int index) { return of_get_gpio_flags(np, index, NULL); } diff --git a/include/linux/of_iommu.h b/include/linux/of_iommu.h index 16f4b3e87f20..55c1eb300a86 100644 --- a/include/linux/of_iommu.h +++ b/include/linux/of_iommu.h @@ -2,29 +2,18 @@ #ifndef __OF_IOMMU_H #define __OF_IOMMU_H -#include <linux/device.h> -#include <linux/iommu.h> -#include <linux/of.h> +struct device; +struct device_node; +struct iommu_ops; #ifdef CONFIG_OF_IOMMU -extern int of_get_dma_window(struct device_node *dn, const char *prefix, - int index, unsigned long *busno, dma_addr_t *addr, - size_t *size); - extern const struct iommu_ops *of_iommu_configure(struct device *dev, struct device_node *master_np, const u32 *id); #else -static inline int of_get_dma_window(struct device_node *dn, const char *prefix, - int index, unsigned long *busno, dma_addr_t *addr, - size_t *size) -{ - return -EINVAL; -} - static inline const struct iommu_ops *of_iommu_configure(struct device *dev, struct device_node *master_np, const u32 *id) diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h index 2b05e7f7c238..da633d34ab86 100644 --- a/include/linux/of_mdio.h +++ b/include/linux/of_mdio.h @@ -72,6 +72,13 @@ static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node * return mdiobus_register(mdio); } +static inline int devm_of_mdiobus_register(struct device *dev, + struct mii_bus *mdio, + struct device_node *np) +{ + return devm_mdiobus_register(dev, mdio); +} + static inline struct mdio_device *of_mdio_find_device(struct device_node *np) { return NULL; diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h index 8216a4156263..4de2a24cadc9 100644 --- a/include/linux/of_reserved_mem.h +++ b/include/linux/of_reserved_mem.h @@ -27,11 +27,11 @@ struct reserved_mem_ops { typedef int (*reservedmem_of_init_fn)(struct reserved_mem *rmem); +#ifdef CONFIG_OF_RESERVED_MEM + #define RESERVEDMEM_OF_DECLARE(name, compat, init) \ _OF_DECLARE(reservedmem, name, compat, init, reservedmem_of_init_fn) -#ifdef CONFIG_OF_RESERVED_MEM - int of_reserved_mem_device_init_by_idx(struct device *dev, struct device_node *np, int idx); int of_reserved_mem_device_init_by_name(struct device *dev, @@ -39,11 +39,12 @@ int of_reserved_mem_device_init_by_name(struct device *dev, const char *name); void of_reserved_mem_device_release(struct device *dev); -void fdt_init_reserved_mem(void); -void fdt_reserved_mem_save_node(unsigned long node, const char *uname, - phys_addr_t base, phys_addr_t size); struct reserved_mem *of_reserved_mem_lookup(struct device_node *np); #else + +#define RESERVEDMEM_OF_DECLARE(name, compat, init) \ + _OF_DECLARE_STUB(reservedmem, name, compat, init, reservedmem_of_init_fn) + static inline int of_reserved_mem_device_init_by_idx(struct device *dev, struct device_node *np, int idx) { @@ -59,9 +60,6 @@ static inline int of_reserved_mem_device_init_by_name(struct device *dev, static inline void of_reserved_mem_device_release(struct device *pdev) { } -static inline void fdt_init_reserved_mem(void) { } -static inline void fdt_reserved_mem_save_node(unsigned long node, - const char *uname, phys_addr_t base, phys_addr_t size) { } static inline struct reserved_mem *of_reserved_mem_lookup(struct device_node *np) { return NULL; diff --git a/include/linux/oid_registry.h b/include/linux/oid_registry.h index 461b7aa587ba..0f4a8903922a 100644 --- a/include/linux/oid_registry.h +++ b/include/linux/oid_registry.h @@ -54,6 +54,10 @@ enum OID { OID_md4, /* 1.2.840.113549.2.4 */ OID_md5, /* 1.2.840.113549.2.5 */ + OID_mskrb5, /* 1.2.840.48018.1.2.2 */ + OID_krb5, /* 1.2.840.113554.1.2.2 */ + OID_krb5u2u, /* 1.2.840.113554.1.2.2.3 */ + /* Microsoft Authenticode & Software Publishing */ OID_msIndirectData, /* 1.3.6.1.4.1.311.2.1.4 */ OID_msStatementType, /* 1.3.6.1.4.1.311.2.1.11 */ @@ -62,6 +66,13 @@ enum OID { OID_msIndividualSPKeyPurpose, /* 1.3.6.1.4.1.311.2.1.21 */ OID_msOutlookExpress, /* 1.3.6.1.4.1.311.16.4 */ + OID_ntlmssp, /* 1.3.6.1.4.1.311.2.2.10 */ + + OID_spnego, /* 1.3.6.1.5.5.2 */ + + OID_IAKerb, /* 1.3.6.1.5.2.5 */ + OID_PKU2U, /* 1.3.5.1.5.2.7 */ + OID_Scram, /* 1.3.6.1.5.5.14 */ OID_certAuthInfoAccess, /* 1.3.6.1.5.5.7.1.1 */ OID_sha1, /* 1.3.14.3.2.26 */ OID_id_ansip384r1, /* 1.3.132.0.34 */ @@ -96,6 +107,10 @@ enum OID { OID_authorityKeyIdentifier, /* 2.5.29.35 */ OID_extKeyUsage, /* 2.5.29.37 */ + /* Heimdal mechanisms */ + OID_NetlogonMechanism, /* 1.2.752.43.14.2 */ + OID_appleLocalKdcSupported, /* 1.2.752.43.14.3 */ + /* EC-RDSA */ OID_gostCPSignA, /* 1.2.643.2.2.35.1 */ OID_gostCPSignB, /* 1.2.643.2.2.35.2 */ diff --git a/include/linux/omap-gpmc.h b/include/linux/omap-gpmc.h index b7bf735960c2..082841908fe7 100644 --- a/include/linux/omap-gpmc.h +++ b/include/linux/omap-gpmc.h @@ -81,9 +81,6 @@ extern int gpmc_configure(int cmd, int wval); extern void gpmc_read_settings_dt(struct device_node *np, struct gpmc_settings *p); -extern void omap3_gpmc_save_context(void); -extern void omap3_gpmc_restore_context(void); - struct gpmc_timings; struct omap_nand_platform_data; struct omap_onenand_platform_data; diff --git a/include/linux/once.h b/include/linux/once.h index 9225ee6d96c7..d361fb14ac3a 100644 --- a/include/linux/once.h +++ b/include/linux/once.h @@ -7,7 +7,7 @@ bool __do_once_start(bool *done, unsigned long *flags); void __do_once_done(bool *done, struct static_key_true *once_key, - unsigned long *flags); + unsigned long *flags, struct module *mod); /* Call a function exactly once. The idea of DO_ONCE() is to perform * a function call such as initialization of random seeds, etc, only @@ -16,7 +16,7 @@ void __do_once_done(bool *done, struct static_key_true *once_key, * out the condition into a nop. DO_ONCE() guarantees type safety of * arguments! * - * Not that the following is not equivalent ... + * Note that the following is not equivalent ... * * DO_ONCE(func, arg); * DO_ONCE(func, arg); @@ -46,7 +46,7 @@ void __do_once_done(bool *done, struct static_key_true *once_key, if (unlikely(___ret)) { \ func(__VA_ARGS__); \ __do_once_done(&___done, &___once_key, \ - &___flags); \ + &___flags, THIS_MODULE); \ } \ } \ ___ret; \ diff --git a/include/linux/once_lite.h b/include/linux/once_lite.h new file mode 100644 index 000000000000..861e606b820f --- /dev/null +++ b/include/linux/once_lite.h @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_ONCE_LITE_H +#define _LINUX_ONCE_LITE_H + +#include <linux/types.h> + +/* Call a function once. Similar to DO_ONCE(), but does not use jump label + * patching via static keys. + */ +#define DO_ONCE_LITE(func, ...) \ + DO_ONCE_LITE_IF(true, func, ##__VA_ARGS__) +#define DO_ONCE_LITE_IF(condition, func, ...) \ + ({ \ + static bool __section(".data.once") __already_done; \ + bool __ret_do_once = !!(condition); \ + \ + if (unlikely(__ret_do_once && !__already_done)) { \ + __already_done = true; \ + func(__VA_ARGS__); \ + } \ + unlikely(__ret_do_once); \ + }) + +#endif /* _LINUX_ONCE_LITE_H */ diff --git a/include/linux/overflow.h b/include/linux/overflow.h index 0f12345c21fb..4669632bd72b 100644 --- a/include/linux/overflow.h +++ b/include/linux/overflow.h @@ -6,12 +6,9 @@ #include <linux/limits.h> /* - * In the fallback code below, we need to compute the minimum and - * maximum values representable in a given type. These macros may also - * be useful elsewhere, so we provide them outside the - * COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW block. - * - * It would seem more obvious to do something like + * We need to compute the minimum and maximum values representable in a given + * type. These macros may also be useful elsewhere. It would seem more obvious + * to do something like: * * #define type_min(T) (T)(is_signed_type(T) ? (T)1 << (8*sizeof(T)-1) : 0) * #define type_max(T) (T)(is_signed_type(T) ? ((T)1 << (8*sizeof(T)-1)) - 1 : ~(T)0) @@ -54,7 +51,6 @@ static inline bool __must_check __must_check_overflow(bool overflow) return unlikely(overflow); } -#ifdef COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW /* * For simplicity and code hygiene, the fallback code below insists on * a, b and *d having the same type (similar to the min() and max() @@ -90,134 +86,6 @@ static inline bool __must_check __must_check_overflow(bool overflow) __builtin_mul_overflow(__a, __b, __d); \ })) -#else - - -/* Checking for unsigned overflow is relatively easy without causing UB. */ -#define __unsigned_add_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a + __b; \ - *__d < __a; \ -}) -#define __unsigned_sub_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a - __b; \ - __a < __b; \ -}) -/* - * If one of a or b is a compile-time constant, this avoids a division. - */ -#define __unsigned_mul_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = __a * __b; \ - __builtin_constant_p(__b) ? \ - __b > 0 && __a > type_max(typeof(__a)) / __b : \ - __a > 0 && __b > type_max(typeof(__b)) / __a; \ -}) - -/* - * For signed types, detecting overflow is much harder, especially if - * we want to avoid UB. But the interface of these macros is such that - * we must provide a result in *d, and in fact we must produce the - * result promised by gcc's builtins, which is simply the possibly - * wrapped-around value. Fortunately, we can just formally do the - * operations in the widest relevant unsigned type (u64) and then - * truncate the result - gcc is smart enough to generate the same code - * with and without the (u64) casts. - */ - -/* - * Adding two signed integers can overflow only if they have the same - * sign, and overflow has happened iff the result has the opposite - * sign. - */ -#define __signed_add_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a + (u64)__b; \ - (((~(__a ^ __b)) & (*__d ^ __a)) \ - & type_min(typeof(__a))) != 0; \ -}) - -/* - * Subtraction is similar, except that overflow can now happen only - * when the signs are opposite. In this case, overflow has happened if - * the result has the opposite sign of a. - */ -#define __signed_sub_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a - (u64)__b; \ - ((((__a ^ __b)) & (*__d ^ __a)) \ - & type_min(typeof(__a))) != 0; \ -}) - -/* - * Signed multiplication is rather hard. gcc always follows C99, so - * division is truncated towards 0. This means that we can write the - * overflow check like this: - * - * (a > 0 && (b > MAX/a || b < MIN/a)) || - * (a < -1 && (b > MIN/a || b < MAX/a) || - * (a == -1 && b == MIN) - * - * The redundant casts of -1 are to silence an annoying -Wtype-limits - * (included in -Wextra) warning: When the type is u8 or u16, the - * __b_c_e in check_mul_overflow obviously selects - * __unsigned_mul_overflow, but unfortunately gcc still parses this - * code and warns about the limited range of __b. - */ - -#define __signed_mul_overflow(a, b, d) ({ \ - typeof(a) __a = (a); \ - typeof(b) __b = (b); \ - typeof(d) __d = (d); \ - typeof(a) __tmax = type_max(typeof(a)); \ - typeof(a) __tmin = type_min(typeof(a)); \ - (void) (&__a == &__b); \ - (void) (&__a == __d); \ - *__d = (u64)__a * (u64)__b; \ - (__b > 0 && (__a > __tmax/__b || __a < __tmin/__b)) || \ - (__b < (typeof(__b))-1 && (__a > __tmin/__b || __a < __tmax/__b)) || \ - (__b == (typeof(__b))-1 && __a == __tmin); \ -}) - - -#define check_add_overflow(a, b, d) __must_check_overflow( \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_add_overflow(a, b, d), \ - __unsigned_add_overflow(a, b, d))) - -#define check_sub_overflow(a, b, d) __must_check_overflow( \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_sub_overflow(a, b, d), \ - __unsigned_sub_overflow(a, b, d))) - -#define check_mul_overflow(a, b, d) __must_check_overflow( \ - __builtin_choose_expr(is_signed_type(typeof(a)), \ - __signed_mul_overflow(a, b, d), \ - __unsigned_mul_overflow(a, b, d))) - -#endif /* COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW */ - /** check_shl_overflow() - Calculate a left-shifted value and check overflow * * @a: Value to be shifted diff --git a/include/linux/packing.h b/include/linux/packing.h index 54667735cc67..8d6571feb95d 100644 --- a/include/linux/packing.h +++ b/include/linux/packing.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: BSD-3-Clause - * Copyright (c) 2016-2018, NXP Semiconductors + * Copyright 2016-2018 NXP * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com> */ #ifndef _LINUX_PACKING_H diff --git a/include/linux/padata.h b/include/linux/padata.h index a433f13fc4bf..495b16b6b4d7 100644 --- a/include/linux/padata.h +++ b/include/linux/padata.h @@ -12,6 +12,7 @@ #ifndef PADATA_H #define PADATA_H +#include <linux/refcount.h> #include <linux/compiler_types.h> #include <linux/workqueue.h> #include <linux/spinlock.h> @@ -96,7 +97,7 @@ struct parallel_data { struct padata_shell *ps; struct padata_list __percpu *reorder_list; struct padata_serial_queue __percpu *squeue; - atomic_t refcnt; + refcount_t refcnt; unsigned int seq_nr; unsigned int processed; int cpu; diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 04a34c08e0a6..fbfd3fad48f2 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -131,13 +131,16 @@ enum pageflags { #ifdef CONFIG_MEMORY_FAILURE PG_hwpoison, /* hardware poisoned page. Don't touch */ #endif -#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT) +#if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT) PG_young, PG_idle, #endif #ifdef CONFIG_64BIT PG_arch_2, #endif +#ifdef CONFIG_KASAN_HW_TAGS + PG_skip_kasan_poison, +#endif __NR_PAGEFLAGS, /* Filesystems */ @@ -168,6 +171,15 @@ enum pageflags { /* Compound pages. Stored in first tail page's flags */ PG_double_map = PG_workingset, +#ifdef CONFIG_MEMORY_FAILURE + /* + * Compound pages. Stored in first tail page's flags. + * Indicates that at least one subpage is hwpoisoned in the + * THP. + */ + PG_has_hwpoisoned = PG_mappedtodisk, +#endif + /* non-lru isolated movable page */ PG_isolated = PG_reclaim, @@ -175,19 +187,21 @@ enum pageflags { PG_reported = PG_uptodate, }; -#ifndef __GENERATING_BOUNDS_H +#define PAGEFLAGS_MASK ((1UL << NR_PAGEFLAGS) - 1) -struct page; /* forward declaration */ +#ifndef __GENERATING_BOUNDS_H -static inline struct page *compound_head(struct page *page) +static inline unsigned long _compound_head(const struct page *page) { unsigned long head = READ_ONCE(page->compound_head); if (unlikely(head & 1)) - return (struct page *) (head - 1); - return page; + return head - 1; + return (unsigned long)page; } +#define compound_head(page) ((typeof(page))_compound_head(page)) + static __always_inline int PageTail(struct page *page) { return READ_ONCE(page->compound_head) & 1; @@ -436,13 +450,19 @@ PAGEFLAG_FALSE(HWPoison) #define __PG_HWPOISON 0 #endif -#if defined(CONFIG_IDLE_PAGE_TRACKING) && defined(CONFIG_64BIT) +#if defined(CONFIG_PAGE_IDLE_FLAG) && defined(CONFIG_64BIT) TESTPAGEFLAG(Young, young, PF_ANY) SETPAGEFLAG(Young, young, PF_ANY) TESTCLEARFLAG(Young, young, PF_ANY) PAGEFLAG(Idle, idle, PF_ANY) #endif +#ifdef CONFIG_KASAN_HW_TAGS +PAGEFLAG(SkipKASanPoison, skip_kasan_poison, PF_HEAD) +#else +PAGEFLAG_FALSE(SkipKASanPoison) +#endif + /* * PageReported() is used to track reported free pages within the Buddy * allocator. We can use the non-atomic version of the test and set @@ -624,43 +644,6 @@ static inline int PageTransCompound(struct page *page) } /* - * PageTransCompoundMap is the same as PageTransCompound, but it also - * guarantees the primary MMU has the entire compound page mapped - * through pmd_trans_huge, which in turn guarantees the secondary MMUs - * can also map the entire compound page. This allows the secondary - * MMUs to call get_user_pages() only once for each compound page and - * to immediately map the entire compound page with a single secondary - * MMU fault. If there will be a pmd split later, the secondary MMUs - * will get an update through the MMU notifier invalidation through - * split_huge_pmd(). - * - * Unlike PageTransCompound, this is safe to be called only while - * split_huge_pmd() cannot run from under us, like if protected by the - * MMU notifier, otherwise it may result in page->_mapcount check false - * positives. - * - * We have to treat page cache THP differently since every subpage of it - * would get _mapcount inc'ed once it is PMD mapped. But, it may be PTE - * mapped in the current process so comparing subpage's _mapcount to - * compound_mapcount to filter out PTE mapped case. - */ -static inline int PageTransCompoundMap(struct page *page) -{ - struct page *head; - - if (!PageTransCompound(page)) - return 0; - - if (PageAnon(page)) - return atomic_read(&page->_mapcount) < 0; - - head = compound_head(page); - /* File THP is PMD mapped and not PTE mapped */ - return atomic_read(&page->_mapcount) == - atomic_read(compound_mapcount_ptr(head)); -} - -/* * PageTransTail returns true for both transparent huge pages * and hugetlbfs pages, so it should only be called when it's known * that hugetlbfs pages aren't involved. @@ -694,6 +677,32 @@ PAGEFLAG_FALSE(DoubleMap) TESTSCFLAG_FALSE(DoubleMap) #endif +#if defined(CONFIG_MEMORY_FAILURE) && defined(CONFIG_TRANSPARENT_HUGEPAGE) +/* + * PageHasHWPoisoned indicates that at least one subpage is hwpoisoned in the + * compound page. + * + * This flag is set by hwpoison handler. Cleared by THP split or free page. + */ +PAGEFLAG(HasHWPoisoned, has_hwpoisoned, PF_SECOND) + TESTSCFLAG(HasHWPoisoned, has_hwpoisoned, PF_SECOND) +#else +PAGEFLAG_FALSE(HasHWPoisoned) + TESTSCFLAG_FALSE(HasHWPoisoned) +#endif + +/* + * Check if a page is currently marked HWPoisoned. Note that this check is + * best effort only and inherently racy: there is no way to synchronize with + * failing hardware. + */ +static inline bool is_page_hwpoison(struct page *page) +{ + if (PageHWPoison(page)) + return true; + return PageHuge(page) && PageHWPoison(compound_head(page)); +} + /* * For pages that are never mapped to userspace (and aren't PageSlab), * page_type may be used. Because it is initialised to -1, we invert the @@ -757,9 +766,19 @@ PAGE_TYPE_OPS(Buddy, buddy) * relies on this feature is aware that re-onlining the memory block will * require to re-set the pages PageOffline() and not giving them to the * buddy via online_page_callback_t. + * + * There are drivers that mark a page PageOffline() and expect there won't be + * any further access to page content. PFN walkers that read content of random + * pages should check PageOffline() and synchronize with such drivers using + * page_offline_freeze()/page_offline_thaw(). */ PAGE_TYPE_OPS(Offline, offline) +extern void page_offline_freeze(void); +extern void page_offline_thaw(void); +extern void page_offline_begin(void); +extern void page_offline_end(void); + /* * Marks pages in use as page tables. */ @@ -784,6 +803,15 @@ static inline int PageSlabPfmemalloc(struct page *page) return PageActive(page); } +/* + * A version of PageSlabPfmemalloc() for opportunistic checks where the page + * might have been freed under us and not be a PageSlab anymore. + */ +static inline int __PageSlabPfmemalloc(struct page *page) +{ + return PageActive(page); +} + static inline void SetPageSlabPfmemalloc(struct page *page) { VM_BUG_ON_PAGE(!PageSlab(page), page); @@ -828,7 +856,7 @@ static inline void ClearPageSlabPfmemalloc(struct page *page) * alloc-free cycle to prevent from reusing the page. */ #define PAGE_FLAGS_CHECK_AT_PREP \ - (((1UL << NR_PAGEFLAGS) - 1) & ~__PG_HWPOISON) + (PAGEFLAGS_MASK & ~__PG_HWPOISON) #define PAGE_FLAGS_PRIVATE \ (1UL << PG_private | 1UL << PG_private_2) diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h index aff81ba31bd8..fabb2e1e087f 100644 --- a/include/linux/page_ext.h +++ b/include/linux/page_ext.h @@ -19,7 +19,7 @@ struct page_ext_operations { enum page_ext_flags { PAGE_EXT_OWNER, PAGE_EXT_OWNER_ALLOCATED, -#if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT) +#if defined(CONFIG_PAGE_IDLE_FLAG) && !defined(CONFIG_64BIT) PAGE_EXT_YOUNG, PAGE_EXT_IDLE, #endif diff --git a/include/linux/page_idle.h b/include/linux/page_idle.h index 1e894d34bdce..d8a6aecf99cb 100644 --- a/include/linux/page_idle.h +++ b/include/linux/page_idle.h @@ -6,7 +6,7 @@ #include <linux/page-flags.h> #include <linux/page_ext.h> -#ifdef CONFIG_IDLE_PAGE_TRACKING +#ifdef CONFIG_PAGE_IDLE_FLAG #ifdef CONFIG_64BIT static inline bool page_is_young(struct page *page) @@ -106,7 +106,7 @@ static inline void clear_page_idle(struct page *page) } #endif /* CONFIG_64BIT */ -#else /* !CONFIG_IDLE_PAGE_TRACKING */ +#else /* !CONFIG_PAGE_IDLE_FLAG */ static inline bool page_is_young(struct page *page) { @@ -135,6 +135,6 @@ static inline void clear_page_idle(struct page *page) { } -#endif /* CONFIG_IDLE_PAGE_TRACKING */ +#endif /* CONFIG_PAGE_IDLE_FLAG */ #endif /* _LINUX_MM_PAGE_IDLE_H */ diff --git a/include/linux/page_owner.h b/include/linux/page_owner.h index 3468794f83d2..719bfe5108c5 100644 --- a/include/linux/page_owner.h +++ b/include/linux/page_owner.h @@ -14,7 +14,7 @@ extern void __set_page_owner(struct page *page, extern void __split_page_owner(struct page *page, unsigned int nr); extern void __copy_page_owner(struct page *oldpage, struct page *newpage); extern void __set_page_owner_migrate_reason(struct page *page, int reason); -extern void __dump_page_owner(struct page *page); +extern void __dump_page_owner(const struct page *page); extern void pagetypeinfo_showmixedcount_print(struct seq_file *m, pg_data_t *pgdat, struct zone *zone); @@ -46,7 +46,7 @@ static inline void set_page_owner_migrate_reason(struct page *page, int reason) if (static_branch_unlikely(&page_owner_inited)) __set_page_owner_migrate_reason(page, reason); } -static inline void dump_page_owner(struct page *page) +static inline void dump_page_owner(const struct page *page) { if (static_branch_unlikely(&page_owner_inited)) __dump_page_owner(page); @@ -69,7 +69,7 @@ static inline void copy_page_owner(struct page *oldpage, struct page *newpage) static inline void set_page_owner_migrate_reason(struct page *page, int reason) { } -static inline void dump_page_owner(struct page *page) +static inline void dump_page_owner(const struct page *page) { } #endif /* CONFIG_PAGE_OWNER */ diff --git a/include/linux/page_ref.h b/include/linux/page_ref.h index f3318f34fc54..7ad46f45df39 100644 --- a/include/linux/page_ref.h +++ b/include/linux/page_ref.h @@ -62,12 +62,12 @@ static inline void __page_ref_unfreeze(struct page *page, int v) #endif -static inline int page_ref_count(struct page *page) +static inline int page_ref_count(const struct page *page) { return atomic_read(&page->_refcount); } -static inline int page_count(struct page *page) +static inline int page_count(const struct page *page) { return atomic_read(&compound_head(page)->_refcount); } diff --git a/include/linux/page_reporting.h b/include/linux/page_reporting.h index 3b99e0ec24f2..fe648dfa3a7c 100644 --- a/include/linux/page_reporting.h +++ b/include/linux/page_reporting.h @@ -18,6 +18,9 @@ struct page_reporting_dev_info { /* Current state of page reporting */ atomic_t state; + + /* Minimal order of page reporting */ + unsigned int order; }; /* Tear-down and bring-up for page reporting devices */ diff --git a/include/linux/pageblock-flags.h b/include/linux/pageblock-flags.h index fff52ad370c1..973fd731a520 100644 --- a/include/linux/pageblock-flags.h +++ b/include/linux/pageblock-flags.h @@ -54,7 +54,7 @@ extern unsigned int pageblock_order; /* Forward declaration */ struct page; -unsigned long get_pfnblock_flags_mask(struct page *page, +unsigned long get_pfnblock_flags_mask(const struct page *page, unsigned long pfn, unsigned long mask); diff --git a/include/linux/pagemap.h b/include/linux/pagemap.h index 0f1b34dbf3a2..62db6b0176b9 100644 --- a/include/linux/pagemap.h +++ b/include/linux/pagemap.h @@ -521,18 +521,17 @@ static inline struct page *read_mapping_page(struct address_space *mapping, */ static inline pgoff_t page_to_index(struct page *page) { - pgoff_t pgoff; + struct page *head; if (likely(!PageTransTail(page))) return page->index; + head = compound_head(page); /* * We don't initialize ->index for tail pages: calculate based on * head page */ - pgoff = compound_head(page)->index; - pgoff += page - compound_head(page); - return pgoff; + return head->index + page - head; } extern pgoff_t hugetlb_basepage_index(struct page *page); @@ -702,6 +701,10 @@ int wait_on_page_writeback_killable(struct page *page); extern void end_page_writeback(struct page *page); void wait_for_stable_page(struct page *page); +void __set_page_dirty(struct page *, struct address_space *, int warn); +int __set_page_dirty_nobuffers(struct page *page); +int __set_page_dirty_no_writeback(struct page *page); + void page_endio(struct page *page, bool is_write, int err); /** @@ -732,7 +735,7 @@ extern void add_page_wait_queue(struct page *page, wait_queue_entry_t *waiter); /* * Fault everything in given userspace address range in. */ -static inline int fault_in_pages_writeable(char __user *uaddr, int size) +static inline int fault_in_pages_writeable(char __user *uaddr, size_t size) { char __user *end = uaddr + size - 1; @@ -759,7 +762,7 @@ static inline int fault_in_pages_writeable(char __user *uaddr, int size) return 0; } -static inline int fault_in_pages_readable(const char __user *uaddr, int size) +static inline int fault_in_pages_readable(const char __user *uaddr, size_t size) { volatile char c; const char __user *end = uaddr + size - 1; diff --git a/include/linux/panic.h b/include/linux/panic.h new file mode 100644 index 000000000000..f5844908a089 --- /dev/null +++ b/include/linux/panic.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_PANIC_H +#define _LINUX_PANIC_H + +#include <linux/compiler_attributes.h> +#include <linux/types.h> + +struct pt_regs; + +extern long (*panic_blink)(int state); +__printf(1, 2) +void panic(const char *fmt, ...) __noreturn __cold; +void nmi_panic(struct pt_regs *regs, const char *msg); +extern void oops_enter(void); +extern void oops_exit(void); +extern bool oops_may_print(void); + +#ifdef CONFIG_SMP +extern unsigned int sysctl_oops_all_cpu_backtrace; +#else +#define sysctl_oops_all_cpu_backtrace 0 +#endif /* CONFIG_SMP */ + +extern int panic_timeout; +extern unsigned long panic_print; +extern int panic_on_oops; +extern int panic_on_unrecovered_nmi; +extern int panic_on_io_nmi; +extern int panic_on_warn; + +extern unsigned long panic_on_taint; +extern bool panic_on_taint_nousertaint; + +extern int sysctl_panic_on_rcu_stall; +extern int sysctl_max_rcu_stall_to_panic; +extern int sysctl_panic_on_stackoverflow; + +extern bool crash_kexec_post_notifiers; + +/* + * panic_cpu is used for synchronizing panic() and crash_kexec() execution. It + * holds a CPU number which is executing panic() currently. A value of + * PANIC_CPU_INVALID means no CPU has entered panic() or crash_kexec(). + */ +extern atomic_t panic_cpu; +#define PANIC_CPU_INVALID -1 + +/* + * Only to be used by arch init code. If the user over-wrote the default + * CONFIG_PANIC_TIMEOUT, honor it. + */ +static inline void set_arch_panic_timeout(int timeout, int arch_default_timeout) +{ + if (panic_timeout == arch_default_timeout) + panic_timeout = timeout; +} + +/* This cannot be an enum because some may be used in assembly source. */ +#define TAINT_PROPRIETARY_MODULE 0 +#define TAINT_FORCED_MODULE 1 +#define TAINT_CPU_OUT_OF_SPEC 2 +#define TAINT_FORCED_RMMOD 3 +#define TAINT_MACHINE_CHECK 4 +#define TAINT_BAD_PAGE 5 +#define TAINT_USER 6 +#define TAINT_DIE 7 +#define TAINT_OVERRIDDEN_ACPI_TABLE 8 +#define TAINT_WARN 9 +#define TAINT_CRAP 10 +#define TAINT_FIRMWARE_WORKAROUND 11 +#define TAINT_OOT_MODULE 12 +#define TAINT_UNSIGNED_MODULE 13 +#define TAINT_SOFTLOCKUP 14 +#define TAINT_LIVEPATCH 15 +#define TAINT_AUX 16 +#define TAINT_RANDSTRUCT 17 +#define TAINT_FLAGS_COUNT 18 +#define TAINT_FLAGS_MAX ((1UL << TAINT_FLAGS_COUNT) - 1) + +struct taint_flag { + char c_true; /* character printed when tainted */ + char c_false; /* character printed when not tainted */ + bool module; /* also show as a per-module taint flag */ +}; + +extern const struct taint_flag taint_flags[TAINT_FLAGS_COUNT]; + +enum lockdep_ok { + LOCKDEP_STILL_OK, + LOCKDEP_NOW_UNRELIABLE, +}; + +extern const char *print_tainted(void); +extern void add_taint(unsigned flag, enum lockdep_ok); +extern int test_taint(unsigned flag); +extern unsigned long get_taint(void); + +#endif /* _LINUX_PANIC_H */ diff --git a/include/linux/panic_notifier.h b/include/linux/panic_notifier.h new file mode 100644 index 000000000000..41e32483d7a7 --- /dev/null +++ b/include/linux/panic_notifier.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_PANIC_NOTIFIERS_H +#define _LINUX_PANIC_NOTIFIERS_H + +#include <linux/notifier.h> +#include <linux/types.h> + +extern struct atomic_notifier_head panic_notifier_list; + +extern bool crash_kexec_post_notifiers; + +#endif /* _LINUX_PANIC_NOTIFIERS_H */ diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h index 5ba475ca9078..f16de399d2de 100644 --- a/include/linux/pci-acpi.h +++ b/include/linux/pci-acpi.h @@ -122,6 +122,9 @@ static inline void pci_acpi_add_edr_notifier(struct pci_dev *pdev) { } static inline void pci_acpi_remove_edr_notifier(struct pci_dev *pdev) { } #endif /* CONFIG_PCIE_EDR */ +int pci_acpi_set_companion_lookup_hook(struct acpi_device *(*func)(struct pci_dev *)); +void pci_acpi_clear_companion_lookup_hook(void); + #else /* CONFIG_ACPI */ static inline void acpi_pci_add_bus(struct pci_bus *bus) { } static inline void acpi_pci_remove_bus(struct pci_bus *bus) { } diff --git a/include/linux/pci-ecam.h b/include/linux/pci-ecam.h index fbdadd4d8377..adea5a4771cf 100644 --- a/include/linux/pci-ecam.h +++ b/include/linux/pci-ecam.h @@ -55,6 +55,7 @@ struct pci_ecam_ops { struct pci_config_window { struct resource res; struct resource busr; + unsigned int bus_shift; void *priv; const struct pci_ecam_ops *ops; union { diff --git a/include/linux/pci-ep-cfs.h b/include/linux/pci-ep-cfs.h index 662881335c7e..3e2140d7e31d 100644 --- a/include/linux/pci-ep-cfs.h +++ b/include/linux/pci-ep-cfs.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0+ */ -/** +/* * PCI Endpoint ConfigFS header file * * Copyright (C) 2017 Texas Instruments diff --git a/include/linux/pci-epc.h b/include/linux/pci-epc.h index b82c9b100e97..a48778e1a4ee 100644 --- a/include/linux/pci-epc.h +++ b/include/linux/pci-epc.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/** +/* * PCI Endpoint *Controller* (EPC) header file * * Copyright (C) 2017 Texas Instruments @@ -58,34 +58,36 @@ pci_epc_interface_string(enum pci_epc_interface_type type) * @map_msi_irq: ops to map physical address to MSI address and return MSI data * @start: ops to start the PCI link * @stop: ops to stop the PCI link + * @get_features: ops to get the features supported by the EPC * @owner: the module owner containing the ops */ struct pci_epc_ops { - int (*write_header)(struct pci_epc *epc, u8 func_no, + int (*write_header)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_header *hdr); - int (*set_bar)(struct pci_epc *epc, u8 func_no, + int (*set_bar)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_bar *epf_bar); - void (*clear_bar)(struct pci_epc *epc, u8 func_no, + void (*clear_bar)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_bar *epf_bar); - int (*map_addr)(struct pci_epc *epc, u8 func_no, + int (*map_addr)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t addr, u64 pci_addr, size_t size); - void (*unmap_addr)(struct pci_epc *epc, u8 func_no, + void (*unmap_addr)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t addr); - int (*set_msi)(struct pci_epc *epc, u8 func_no, u8 interrupts); - int (*get_msi)(struct pci_epc *epc, u8 func_no); - int (*set_msix)(struct pci_epc *epc, u8 func_no, u16 interrupts, - enum pci_barno, u32 offset); - int (*get_msix)(struct pci_epc *epc, u8 func_no); - int (*raise_irq)(struct pci_epc *epc, u8 func_no, + int (*set_msi)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, + u8 interrupts); + int (*get_msi)(struct pci_epc *epc, u8 func_no, u8 vfunc_no); + int (*set_msix)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, + u16 interrupts, enum pci_barno, u32 offset); + int (*get_msix)(struct pci_epc *epc, u8 func_no, u8 vfunc_no); + int (*raise_irq)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, enum pci_epc_irq_type type, u16 interrupt_num); - int (*map_msi_irq)(struct pci_epc *epc, u8 func_no, + int (*map_msi_irq)(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t phys_addr, u8 interrupt_num, u32 entry_size, u32 *msi_data, u32 *msi_addr_offset); int (*start)(struct pci_epc *epc); void (*stop)(struct pci_epc *epc); const struct pci_epc_features* (*get_features)(struct pci_epc *epc, - u8 func_no); + u8 func_no, u8 vfunc_no); struct module *owner; }; @@ -127,6 +129,8 @@ struct pci_epc_mem { * single window. * @num_windows: number of windows supported by device * @max_functions: max number of functions that can be configured in this EPC + * @max_vfs: Array indicating the maximum number of virtual functions that can + * be associated with each physical function * @group: configfs group representing the PCI EPC device * @lock: mutex to protect pci_epc ops * @function_num_map: bitmap to manage physical function number @@ -140,6 +144,7 @@ struct pci_epc { struct pci_epc_mem *mem; unsigned int num_windows; u8 max_functions; + u8 *max_vfs; struct config_group *group; /* mutex to protect against concurrent access of EP controller */ struct mutex lock; @@ -150,6 +155,8 @@ struct pci_epc { /** * struct pci_epc_features - features supported by a EPC device per function * @linkup_notifier: indicate if the EPC device can notify EPF driver on link up + * @core_init_notifier: indicate cores that can notify about their availability + * for initialization * @msi_capable: indicate if the endpoint function has MSI capability * @msix_capable: indicate if the endpoint function has MSI-X capability * @reserved_bar: bitmap to indicate reserved BAR unavailable to function driver @@ -205,31 +212,32 @@ void pci_epc_linkup(struct pci_epc *epc); void pci_epc_init_notify(struct pci_epc *epc); void pci_epc_remove_epf(struct pci_epc *epc, struct pci_epf *epf, enum pci_epc_interface_type type); -int pci_epc_write_header(struct pci_epc *epc, u8 func_no, +int pci_epc_write_header(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_header *hdr); -int pci_epc_set_bar(struct pci_epc *epc, u8 func_no, +int pci_epc_set_bar(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_bar *epf_bar); -void pci_epc_clear_bar(struct pci_epc *epc, u8 func_no, +void pci_epc_clear_bar(struct pci_epc *epc, u8 func_no, u8 vfunc_no, struct pci_epf_bar *epf_bar); -int pci_epc_map_addr(struct pci_epc *epc, u8 func_no, +int pci_epc_map_addr(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t phys_addr, u64 pci_addr, size_t size); -void pci_epc_unmap_addr(struct pci_epc *epc, u8 func_no, +void pci_epc_unmap_addr(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t phys_addr); -int pci_epc_set_msi(struct pci_epc *epc, u8 func_no, u8 interrupts); -int pci_epc_get_msi(struct pci_epc *epc, u8 func_no); -int pci_epc_set_msix(struct pci_epc *epc, u8 func_no, u16 interrupts, - enum pci_barno, u32 offset); -int pci_epc_get_msix(struct pci_epc *epc, u8 func_no); -int pci_epc_map_msi_irq(struct pci_epc *epc, u8 func_no, +int pci_epc_set_msi(struct pci_epc *epc, u8 func_no, u8 vfunc_no, + u8 interrupts); +int pci_epc_get_msi(struct pci_epc *epc, u8 func_no, u8 vfunc_no); +int pci_epc_set_msix(struct pci_epc *epc, u8 func_no, u8 vfunc_no, + u16 interrupts, enum pci_barno, u32 offset); +int pci_epc_get_msix(struct pci_epc *epc, u8 func_no, u8 vfunc_no); +int pci_epc_map_msi_irq(struct pci_epc *epc, u8 func_no, u8 vfunc_no, phys_addr_t phys_addr, u8 interrupt_num, u32 entry_size, u32 *msi_data, u32 *msi_addr_offset); -int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no, +int pci_epc_raise_irq(struct pci_epc *epc, u8 func_no, u8 vfunc_no, enum pci_epc_irq_type type, u16 interrupt_num); int pci_epc_start(struct pci_epc *epc); void pci_epc_stop(struct pci_epc *epc); const struct pci_epc_features *pci_epc_get_features(struct pci_epc *epc, - u8 func_no); + u8 func_no, u8 vfunc_no); enum pci_barno pci_epc_get_first_free_bar(const struct pci_epc_features *epc_features); enum pci_barno pci_epc_get_next_free_bar(const struct pci_epc_features diff --git a/include/linux/pci-epf.h b/include/linux/pci-epf.h index 6833e2160ef1..009a07147c61 100644 --- a/include/linux/pci-epf.h +++ b/include/linux/pci-epf.h @@ -1,5 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ -/** +/* * PCI Endpoint *Function* (EPF) header file * * Copyright (C) 2017 Texas Instruments @@ -85,7 +85,7 @@ struct pci_epf_ops { */ struct pci_epf_driver { int (*probe)(struct pci_epf *epf); - int (*remove)(struct pci_epf *epf); + void (*remove)(struct pci_epf *epf); struct device_driver driver; struct pci_epf_ops *ops; @@ -102,6 +102,8 @@ struct pci_epf_driver { * @phys_addr: physical address that should be mapped to the BAR * @addr: virtual address corresponding to the @phys_addr * @size: the size of the address space present in BAR + * @barno: BAR number + * @flags: flags that are set for the BAR */ struct pci_epf_bar { dma_addr_t phys_addr; @@ -118,8 +120,11 @@ struct pci_epf_bar { * @header: represents standard configuration header * @bar: represents the BAR of EPF device * @msi_interrupts: number of MSI interrupts required by this function - * @func_no: unique function number within this endpoint device + * @msix_interrupts: number of MSI-X interrupts required by this function + * @func_no: unique (physical) function number within this endpoint device + * @vfunc_no: unique virtual function number within a physical function * @epc: the EPC device to which this EPF device is bound + * @epf_pf: the physical EPF device to which this virtual EPF device is bound * @driver: the EPF driver to which this EPF device is bound * @list: to add pci_epf as a list of PCI endpoint functions to pci_epc * @nb: notifier block to notify EPF of any EPC events (like linkup) @@ -130,6 +135,10 @@ struct pci_epf_bar { * @sec_epc_bar: represents the BAR of EPF device associated with secondary EPC * @sec_epc_func_no: unique (physical) function number within the secondary EPC * @group: configfs group associated with the EPF device + * @is_bound: indicates if bind notification to function driver has been invoked + * @is_vf: true - virtual function, false - physical function + * @vfunction_num_map: bitmap to manage virtual function number + * @pci_vepf: list of virtual endpoint functions associated with this function */ struct pci_epf { struct device dev; @@ -139,8 +148,10 @@ struct pci_epf { u8 msi_interrupts; u16 msix_interrupts; u8 func_no; + u8 vfunc_no; struct pci_epc *epc; + struct pci_epf *epf_pf; struct pci_epf_driver *driver; struct list_head list; struct notifier_block nb; @@ -153,6 +164,10 @@ struct pci_epf { struct pci_epf_bar sec_epc_bar[6]; u8 sec_epc_func_no; struct config_group *group; + unsigned int is_bound; + unsigned int is_vf; + unsigned long vfunction_num_map; + struct list_head pci_vepf; }; /** @@ -196,4 +211,6 @@ int pci_epf_bind(struct pci_epf *epf); void pci_epf_unbind(struct pci_epf *epf); struct config_group *pci_epf_type_add_cfs(struct pci_epf *epf, struct config_group *group); +int pci_epf_add_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf); +void pci_epf_remove_vepf(struct pci_epf *epf_pf, struct pci_epf *epf_vf); #endif /* __LINUX_PCI_EPF_H */ diff --git a/include/linux/pci.h b/include/linux/pci.h index 24306504226a..cd8aa6fce204 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -49,6 +49,12 @@ PCI_STATUS_SIG_TARGET_ABORT | \ PCI_STATUS_PARITY) +/* Number of reset methods used in pci_reset_fn_methods array in pci.c */ +#define PCI_NUM_RESET_METHODS 7 + +#define PCI_RESET_PROBE true +#define PCI_RESET_DO_RESET false + /* * The PCI interface treats multi-function devices as independent * devices. The slot/function address of each device is encoded @@ -288,21 +294,14 @@ enum pci_bus_speed { enum pci_bus_speed pcie_get_speed_cap(struct pci_dev *dev); enum pcie_link_width pcie_get_width_cap(struct pci_dev *dev); -struct pci_cap_saved_data { - u16 cap_nr; - bool cap_extended; - unsigned int size; - u32 data[]; -}; - -struct pci_cap_saved_state { - struct hlist_node next; - struct pci_cap_saved_data cap; +struct pci_vpd { + struct mutex lock; + unsigned int len; + u8 cap; }; struct irq_affinity; struct pcie_link_state; -struct pci_vpd; struct pci_sriov; struct pci_p2pdma; struct rcec_ea; @@ -333,6 +332,7 @@ struct pci_dev { struct rcec_ea *rcec_ea; /* RCEC cached endpoint association */ struct pci_dev *rcec; /* Associated RCEC device */ #endif + u32 devcap; /* PCIe Device Capabilities */ u8 pcie_cap; /* PCIe capability offset */ u8 msi_cap; /* MSI capability offset */ u8 msix_cap; /* MSI-X capability offset */ @@ -388,6 +388,7 @@ struct pci_dev { supported from root to here */ u16 l1ss; /* L1SS Capability pointer */ #endif + unsigned int pasid_no_tlp:1; /* PASID works without TLP Prefix */ unsigned int eetlp_prefix_path:1; /* End-to-End TLP Prefix */ pci_channel_state_t error_state; /* Current connectivity state */ @@ -427,7 +428,6 @@ struct pci_dev { unsigned int state_saved:1; unsigned int is_physfn:1; unsigned int is_virtfn:1; - unsigned int reset_fn:1; unsigned int is_hotplug_bridge:1; unsigned int shpc_managed:1; /* SHPC owned by shpchp */ unsigned int is_thunderbolt:1; /* Thunderbolt controller */ @@ -473,7 +473,7 @@ struct pci_dev { #ifdef CONFIG_PCI_MSI const struct attribute_group **msi_irq_groups; #endif - struct pci_vpd *vpd; + struct pci_vpd vpd; #ifdef CONFIG_PCIE_DPC u16 dpc_cap; unsigned int dpc_rp_extensions:1; @@ -497,7 +497,7 @@ struct pci_dev { u16 pasid_features; #endif #ifdef CONFIG_PCI_P2PDMA - struct pci_p2pdma *p2pdma; + struct pci_p2pdma __rcu *p2pdma; #endif u16 acs_cap; /* ACS Capability offset */ phys_addr_t rom; /* Physical address if not from BAR */ @@ -505,6 +505,9 @@ struct pci_dev { char *driver_override; /* Driver name to force a match */ unsigned long priv_flags; /* Private flags for the PCI driver */ + + /* These methods index pci_reset_fn_methods[] */ + u8 reset_methods[PCI_NUM_RESET_METHODS]; /* In priority order */ }; static inline struct pci_dev *pci_physfn(struct pci_dev *dev) @@ -526,6 +529,16 @@ static inline int pci_channel_offline(struct pci_dev *pdev) return (pdev->error_state != pci_channel_io_normal); } +/* + * Currently in ACPI spec, for each PCI host bridge, PCI Segment + * Group number is limited to a 16-bit value, therefore (int)-1 is + * not a valid PCI domain number, and can be used as a sentinel + * value indicating ->domain_nr is not set by the driver (and + * CONFIG_PCI_DOMAINS_GENERIC=y archs will set it with + * pci_bus_find_domain_nr()). + */ +#define PCI_DOMAIN_NR_NOT_SET (-1) + struct pci_host_bridge { struct device dev; struct pci_bus *bus; /* Root bus */ @@ -533,6 +546,7 @@ struct pci_host_bridge { struct pci_ops *child_ops; void *sysdata; int busnr; + int domain_nr; struct list_head windows; /* resource_entry */ struct list_head dma_ranges; /* dma ranges resource list */ u8 (*swizzle_irq)(struct pci_dev *, u8 *); /* Platform IRQ swizzler */ @@ -862,6 +876,8 @@ struct module; * MSI-X vectors available for distribution to the VFs. * @err_handler: See Documentation/PCI/pci-error-recovery.rst * @groups: Sysfs attribute groups. + * @dev_groups: Attributes attached to the device that will be + * created once it is bound to the driver. * @driver: Driver model structure. * @dynids: List of dynamically added device IDs. */ @@ -879,6 +895,7 @@ struct pci_driver { u32 (*sriov_get_vf_total_msix)(struct pci_dev *pf); const struct pci_error_handlers *err_handler; const struct attribute_group **groups; + const struct attribute_group **dev_groups; struct device_driver driver; struct pci_dynids dynids; }; @@ -899,6 +916,35 @@ struct pci_driver { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID /** + * PCI_DEVICE_DRIVER_OVERRIDE - macro used to describe a PCI device with + * override_only flags. + * @vend: the 16 bit PCI Vendor ID + * @dev: the 16 bit PCI Device ID + * @driver_override: the 32 bit PCI Device override_only + * + * This macro is used to create a struct pci_device_id that matches only a + * driver_override device. The subvendor and subdevice fields will be set to + * PCI_ANY_ID. + */ +#define PCI_DEVICE_DRIVER_OVERRIDE(vend, dev, driver_override) \ + .vendor = (vend), .device = (dev), .subvendor = PCI_ANY_ID, \ + .subdevice = PCI_ANY_ID, .override_only = (driver_override) + +/** + * PCI_DRIVER_OVERRIDE_DEVICE_VFIO - macro used to describe a VFIO + * "driver_override" PCI device. + * @vend: the 16 bit PCI Vendor ID + * @dev: the 16 bit PCI Device ID + * + * This macro is used to create a struct pci_device_id that matches a + * specific device. The subvendor and subdevice fields will be set to + * PCI_ANY_ID and the driver_override will be set to + * PCI_ID_F_VFIO_DRIVER_OVERRIDE. + */ +#define PCI_DRIVER_OVERRIDE_DEVICE_VFIO(vend, dev) \ + PCI_DEVICE_DRIVER_OVERRIDE(vend, dev, PCI_ID_F_VFIO_DRIVER_OVERRIDE) + +/** * PCI_DEVICE_SUB - macro used to describe a specific PCI device with subsystem * @vend: the 16 bit PCI Vendor ID * @dev: the 16 bit PCI Device ID @@ -1225,7 +1271,7 @@ u32 pcie_bandwidth_available(struct pci_dev *dev, struct pci_dev **limiting_dev, enum pci_bus_speed *speed, enum pcie_link_width *width); void pcie_print_link_status(struct pci_dev *dev); -bool pcie_has_flr(struct pci_dev *dev); +int pcie_reset_flr(struct pci_dev *dev, bool probe); int pcie_flr(struct pci_dev *dev); int __pci_reset_function_locked(struct pci_dev *dev); int pci_reset_function(struct pci_dev *dev); @@ -1275,12 +1321,6 @@ int pci_load_saved_state(struct pci_dev *dev, struct pci_saved_state *state); int pci_load_and_free_saved_state(struct pci_dev *dev, struct pci_saved_state **state); -struct pci_cap_saved_state *pci_find_saved_cap(struct pci_dev *dev, char cap); -struct pci_cap_saved_state *pci_find_saved_ext_cap(struct pci_dev *dev, - u16 cap); -int pci_add_cap_save_buffer(struct pci_dev *dev, char cap, unsigned int size); -int pci_add_ext_cap_save_buffer(struct pci_dev *dev, - u16 cap, unsigned int size); int pci_platform_power_transition(struct pci_dev *dev, pci_power_t state); int pci_set_power_state(struct pci_dev *dev, pci_power_t state); pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state); @@ -1617,10 +1657,23 @@ static inline bool pci_aer_available(void) { return false; } bool pci_ats_disabled(void); +#ifdef CONFIG_PCIE_PTM +int pci_enable_ptm(struct pci_dev *dev, u8 *granularity); +bool pcie_ptm_enabled(struct pci_dev *dev); +#else +static inline int pci_enable_ptm(struct pci_dev *dev, u8 *granularity) +{ return -EINVAL; } +static inline bool pcie_ptm_enabled(struct pci_dev *dev) +{ return false; } +#endif + void pci_cfg_access_lock(struct pci_dev *dev); bool pci_cfg_access_trylock(struct pci_dev *dev); void pci_cfg_access_unlock(struct pci_dev *dev); +int pci_dev_trylock(struct pci_dev *dev); +void pci_dev_unlock(struct pci_dev *dev); + /* * PCI domain support. Sometimes called PCI segment (eg by ACPI), * a PCI domain is defined to be a set of PCI buses which share @@ -1734,8 +1787,9 @@ static inline void pci_disable_device(struct pci_dev *dev) { } static inline int pcim_enable_device(struct pci_dev *pdev) { return -EIO; } static inline int pci_assign_resource(struct pci_dev *dev, int i) { return -EBUSY; } -static inline int __pci_register_driver(struct pci_driver *drv, - struct module *owner) +static inline int __must_check __pci_register_driver(struct pci_driver *drv, + struct module *owner, + const char *mod_name) { return 0; } static inline int pci_register_driver(struct pci_driver *drv) { return 0; } @@ -1772,6 +1826,10 @@ static inline int pci_request_regions(struct pci_dev *dev, const char *res_name) { return -EIO; } static inline void pci_release_regions(struct pci_dev *dev) { } +static inline int pci_register_io_range(struct fwnode_handle *fwnode, + phys_addr_t addr, resource_size_t size) +{ return -EINVAL; } + static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } static inline struct pci_bus *pci_find_next_bus(const struct pci_bus *from) @@ -1871,9 +1929,7 @@ int pci_iobar_pfn(struct pci_dev *pdev, int bar, struct vm_area_struct *vma); #define pci_resource_end(dev, bar) ((dev)->resource[(bar)].end) #define pci_resource_flags(dev, bar) ((dev)->resource[(bar)].flags) #define pci_resource_len(dev,bar) \ - ((pci_resource_start((dev), (bar)) == 0 && \ - pci_resource_end((dev), (bar)) == \ - pci_resource_start((dev), (bar))) ? 0 : \ + ((pci_resource_end((dev), (bar)) == 0) ? 0 : \ \ (pci_resource_end((dev), (bar)) - \ pci_resource_start((dev), (bar)) + 1)) @@ -2240,20 +2296,6 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask); #define PCI_VPD_LRDT_RO_DATA PCI_VPD_LRDT_ID(PCI_VPD_LTIN_RO_DATA) #define PCI_VPD_LRDT_RW_DATA PCI_VPD_LRDT_ID(PCI_VPD_LTIN_RW_DATA) -/* Small Resource Data Type Tag Item Names */ -#define PCI_VPD_STIN_END 0x0f /* End */ - -#define PCI_VPD_SRDT_END (PCI_VPD_STIN_END << 3) - -#define PCI_VPD_SRDT_TIN_MASK 0x78 -#define PCI_VPD_SRDT_LEN_MASK 0x07 -#define PCI_VPD_LRDT_TIN_MASK 0x7f - -#define PCI_VPD_LRDT_TAG_SIZE 3 -#define PCI_VPD_SRDT_TAG_SIZE 1 - -#define PCI_VPD_INFO_FLD_HDR_SIZE 3 - #define PCI_VPD_RO_KEYWORD_PARTNO "PN" #define PCI_VPD_RO_KEYWORD_SERIALNO "SN" #define PCI_VPD_RO_KEYWORD_MFR_ID "MN" @@ -2261,83 +2303,45 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask); #define PCI_VPD_RO_KEYWORD_CHKSUM "RV" /** - * pci_vpd_lrdt_size - Extracts the Large Resource Data Type length - * @lrdt: Pointer to the beginning of the Large Resource Data Type tag - * - * Returns the extracted Large Resource Data Type length. - */ -static inline u16 pci_vpd_lrdt_size(const u8 *lrdt) -{ - return (u16)lrdt[1] + ((u16)lrdt[2] << 8); -} - -/** - * pci_vpd_lrdt_tag - Extracts the Large Resource Data Type Tag Item - * @lrdt: Pointer to the beginning of the Large Resource Data Type tag - * - * Returns the extracted Large Resource Data Type Tag item. - */ -static inline u16 pci_vpd_lrdt_tag(const u8 *lrdt) -{ - return (u16)(lrdt[0] & PCI_VPD_LRDT_TIN_MASK); -} - -/** - * pci_vpd_srdt_size - Extracts the Small Resource Data Type length - * @srdt: Pointer to the beginning of the Small Resource Data Type tag - * - * Returns the extracted Small Resource Data Type length. - */ -static inline u8 pci_vpd_srdt_size(const u8 *srdt) -{ - return (*srdt) & PCI_VPD_SRDT_LEN_MASK; -} - -/** - * pci_vpd_srdt_tag - Extracts the Small Resource Data Type Tag Item - * @srdt: Pointer to the beginning of the Small Resource Data Type tag + * pci_vpd_alloc - Allocate buffer and read VPD into it + * @dev: PCI device + * @size: pointer to field where VPD length is returned * - * Returns the extracted Small Resource Data Type Tag Item. + * Returns pointer to allocated buffer or an ERR_PTR in case of failure */ -static inline u8 pci_vpd_srdt_tag(const u8 *srdt) -{ - return ((*srdt) & PCI_VPD_SRDT_TIN_MASK) >> 3; -} +void *pci_vpd_alloc(struct pci_dev *dev, unsigned int *size); /** - * pci_vpd_info_field_size - Extracts the information field length - * @info_field: Pointer to the beginning of an information field header + * pci_vpd_find_id_string - Locate id string in VPD + * @buf: Pointer to buffered VPD data + * @len: The length of the buffer area in which to search + * @size: Pointer to field where length of id string is returned * - * Returns the extracted information field length. + * Returns the index of the id string or -ENOENT if not found. */ -static inline u8 pci_vpd_info_field_size(const u8 *info_field) -{ - return info_field[2]; -} +int pci_vpd_find_id_string(const u8 *buf, unsigned int len, unsigned int *size); /** - * pci_vpd_find_tag - Locates the Resource Data Type tag provided - * @buf: Pointer to buffered vpd data - * @len: The length of the vpd buffer - * @rdt: The Resource Data Type to search for + * pci_vpd_find_ro_info_keyword - Locate info field keyword in VPD RO section + * @buf: Pointer to buffered VPD data + * @len: The length of the buffer area in which to search + * @kw: The keyword to search for + * @size: Pointer to field where length of found keyword data is returned * - * Returns the index where the Resource Data Type was found or - * -ENOENT otherwise. + * Returns the index of the information field keyword data or -ENOENT if + * not found. */ -int pci_vpd_find_tag(const u8 *buf, unsigned int len, u8 rdt); +int pci_vpd_find_ro_info_keyword(const void *buf, unsigned int len, + const char *kw, unsigned int *size); /** - * pci_vpd_find_info_keyword - Locates an information field keyword in the VPD - * @buf: Pointer to buffered vpd data - * @off: The offset into the buffer at which to begin the search - * @len: The length of the buffer area, relative to off, in which to search - * @kw: The keyword to search for + * pci_vpd_check_csum - Check VPD checksum + * @buf: Pointer to buffered VPD data + * @len: VPD size * - * Returns the index where the information field keyword was found or - * -ENOENT otherwise. + * Returns 1 if VPD has no checksum, otherwise 0 or an errno */ -int pci_vpd_find_info_keyword(const u8 *buf, unsigned int off, - unsigned int len, const char *kw); +int pci_vpd_check_csum(const void *buf, unsigned int len); /* PCI <-> OF binding helpers */ #ifdef CONFIG_OF diff --git a/include/linux/pci_hotplug.h b/include/linux/pci_hotplug.h index b482e42d7153..3a10d6ec3ee7 100644 --- a/include/linux/pci_hotplug.h +++ b/include/linux/pci_hotplug.h @@ -44,12 +44,14 @@ struct hotplug_slot_ops { int (*get_attention_status) (struct hotplug_slot *slot, u8 *value); int (*get_latch_status) (struct hotplug_slot *slot, u8 *value); int (*get_adapter_status) (struct hotplug_slot *slot, u8 *value); - int (*reset_slot) (struct hotplug_slot *slot, int probe); + int (*reset_slot) (struct hotplug_slot *slot, bool probe); }; /** * struct hotplug_slot - used to register a physical slot with the hotplug pci core * @ops: pointer to the &struct hotplug_slot_ops to be used for this slot + * @slot_list: internal list used to track hotplug PCI slots + * @pci_slot: represents a physical slot * @owner: The module owner of this structure * @mod_name: The module name (KBUILD_MODNAME) of this structure */ diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 4c3fa5293d76..011f2f1ea5bb 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -555,6 +555,8 @@ #define PCI_DEVICE_ID_AMD_17H_M60H_DF_F3 0x144b #define PCI_DEVICE_ID_AMD_17H_M70H_DF_F3 0x1443 #define PCI_DEVICE_ID_AMD_19H_DF_F3 0x1653 +#define PCI_DEVICE_ID_AMD_19H_M40H_DF_F3 0x167c +#define PCI_DEVICE_ID_AMD_19H_M50H_DF_F3 0x166d #define PCI_DEVICE_ID_AMD_CNB17H_F3 0x1703 #define PCI_DEVICE_ID_AMD_LANCE 0x2000 #define PCI_DEVICE_ID_AMD_LANCE_HOME 0x2001 @@ -631,6 +633,8 @@ #define PCI_DEVICE_ID_DELL_RAC4 0x0012 #define PCI_DEVICE_ID_DELL_PERC5 0x0015 +#define PCI_SUBVENDOR_ID_DELL 0x1028 + #define PCI_VENDOR_ID_MATROX 0x102B #define PCI_DEVICE_ID_MATROX_MGA_2 0x0518 #define PCI_DEVICE_ID_MATROX_MIL 0x0519 @@ -1118,6 +1122,7 @@ #define PCI_DEVICE_ID_3COM_3CR990SVR 0x990a #define PCI_VENDOR_ID_AL 0x10b9 +#define PCI_DEVICE_ID_AL_M1489 0x1489 #define PCI_DEVICE_ID_AL_M1533 0x1533 #define PCI_DEVICE_ID_AL_M1535 0x1535 #define PCI_DEVICE_ID_AL_M1541 0x1541 @@ -2448,7 +2453,8 @@ #define PCI_VENDOR_ID_TDI 0x192E #define PCI_DEVICE_ID_TDI_EHCI 0x0101 -#define PCI_VENDOR_ID_FREESCALE 0x1957 +#define PCI_VENDOR_ID_FREESCALE 0x1957 /* duplicate: NXP */ +#define PCI_VENDOR_ID_NXP 0x1957 /* duplicate: FREESCALE */ #define PCI_DEVICE_ID_MPC8308 0xc006 #define PCI_DEVICE_ID_MPC8315E 0x00b4 #define PCI_DEVICE_ID_MPC8315 0x00b5 @@ -2640,6 +2646,7 @@ #define PCI_DEVICE_ID_INTEL_82375 0x0482 #define PCI_DEVICE_ID_INTEL_82424 0x0483 #define PCI_DEVICE_ID_INTEL_82378 0x0484 +#define PCI_DEVICE_ID_INTEL_82425 0x0486 #define PCI_DEVICE_ID_INTEL_MRST_SD0 0x0807 #define PCI_DEVICE_ID_INTEL_MRST_SD1 0x0808 #define PCI_DEVICE_ID_INTEL_MFD_SD 0x0820 diff --git a/include/linux/pcs/pcs-xpcs.h b/include/linux/pcs/pcs-xpcs.h index 2cb5188a7ef1..add077a81b21 100644 --- a/include/linux/pcs/pcs-xpcs.h +++ b/include/linux/pcs/pcs-xpcs.h @@ -10,37 +10,33 @@ #include <linux/phy.h> #include <linux/phylink.h> +#define NXP_SJA1105_XPCS_ID 0x00000010 +#define NXP_SJA1110_XPCS_ID 0x00000020 + /* AN mode */ #define DW_AN_C73 1 #define DW_AN_C37_SGMII 2 +#define DW_2500BASEX 3 -struct mdio_xpcs_args { - __ETHTOOL_DECLARE_LINK_MODE_MASK(supported); - struct mii_bus *bus; - int addr; - int an_mode; -}; +struct xpcs_id; -struct mdio_xpcs_ops { - int (*validate)(struct mdio_xpcs_args *xpcs, - unsigned long *supported, - struct phylink_link_state *state); - int (*config)(struct mdio_xpcs_args *xpcs, - const struct phylink_link_state *state); - int (*get_state)(struct mdio_xpcs_args *xpcs, - struct phylink_link_state *state); - int (*link_up)(struct mdio_xpcs_args *xpcs, int speed, - phy_interface_t interface); - int (*probe)(struct mdio_xpcs_args *xpcs, phy_interface_t interface); +struct dw_xpcs { + struct mdio_device *mdiodev; + const struct xpcs_id *id; + struct phylink_pcs pcs; }; -#if IS_ENABLED(CONFIG_PCS_XPCS) -struct mdio_xpcs_ops *mdio_xpcs_get_ops(void); -#else -static inline struct mdio_xpcs_ops *mdio_xpcs_get_ops(void) -{ - return NULL; -} -#endif +int xpcs_get_an_mode(struct dw_xpcs *xpcs, phy_interface_t interface); +void xpcs_link_up(struct phylink_pcs *pcs, unsigned int mode, + phy_interface_t interface, int speed, int duplex); +int xpcs_do_config(struct dw_xpcs *xpcs, phy_interface_t interface, + unsigned int mode); +void xpcs_validate(struct dw_xpcs *xpcs, unsigned long *supported, + struct phylink_link_state *state); +int xpcs_config_eee(struct dw_xpcs *xpcs, int mult_fact_100ns, + int enable); +struct dw_xpcs *xpcs_create(struct mdio_device *mdiodev, + phy_interface_t interface); +void xpcs_destroy(struct dw_xpcs *xpcs); #endif /* __LINUX_PCS_XPCS_H */ diff --git a/include/linux/percpu-defs.h b/include/linux/percpu-defs.h index dff7040f629a..af1071535de8 100644 --- a/include/linux/percpu-defs.h +++ b/include/linux/percpu-defs.h @@ -412,7 +412,7 @@ do { \ * instead. * * If there is no other protection through preempt disable and/or disabling - * interupts then one of these RMW operations can show unexpected behavior + * interrupts then one of these RMW operations can show unexpected behavior * because the execution thread was rescheduled on another processor or an * interrupt occurred and the same percpu variable was modified from the * interrupt context. diff --git a/include/linux/percpu-refcount.h b/include/linux/percpu-refcount.h index 16c35a728b4c..ae16a9856305 100644 --- a/include/linux/percpu-refcount.h +++ b/include/linux/percpu-refcount.h @@ -213,7 +213,7 @@ static inline void percpu_ref_get_many(struct percpu_ref *ref, unsigned long nr) * percpu_ref_get - increment a percpu refcount * @ref: percpu_ref to get * - * Analagous to atomic_long_inc(). + * Analogous to atomic_long_inc(). * * This function is safe to call as long as @ref is between init and exit. */ diff --git a/include/linux/perf/arm_pmu.h b/include/linux/perf/arm_pmu.h index 505480217cf1..2512e2f9cd4e 100644 --- a/include/linux/perf/arm_pmu.h +++ b/include/linux/perf/arm_pmu.h @@ -163,6 +163,12 @@ int arm_pmu_acpi_probe(armpmu_init_fn init_fn); static inline int arm_pmu_acpi_probe(armpmu_init_fn init_fn) { return 0; } #endif +#ifdef CONFIG_KVM +void kvm_host_pmu_init(struct arm_pmu *pmu); +#else +#define kvm_host_pmu_init(x) do { } while(0) +#endif + /* Internal functions only for core arm_pmu code */ struct arm_pmu *armpmu_alloc(void); struct arm_pmu *armpmu_alloc_atomic(void); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index f5a6a2f069ed..9b60bb89d86a 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -683,7 +683,9 @@ struct perf_event { /* * timestamp shadows the actual context timing but it can * be safely used in NMI interrupt context. It reflects the - * context time as it was when the event was last scheduled in. + * context time as it was when the event was last scheduled in, + * or when ctx_sched_in failed to schedule the event because we + * run out of PMC. * * ctx_time already accounts for ctx->timestamp. Therefore to * compute ctx_time for a sample, simply add perf_clock(). @@ -762,6 +764,7 @@ struct perf_event { #ifdef CONFIG_BPF_SYSCALL perf_overflow_handler_t orig_overflow_handler; struct bpf_prog *prog; + u64 bpf_cookie; #endif #ifdef CONFIG_EVENT_TRACING @@ -1576,6 +1579,12 @@ static struct perf_pmu_events_attr _var = { \ .event_str = _str, \ }; +#define PMU_EVENT_ATTR_ID(_name, _show, _id) \ + (&((struct perf_pmu_events_attr[]) { \ + { .attr = __ATTR(_name, 0444, _show, NULL), \ + .id = _id, } \ + })[0].attr.attr) + #define PMU_FORMAT_ATTR(_name, _format) \ static ssize_t \ _name##_show(struct device *dev, \ diff --git a/include/linux/pgtable.h b/include/linux/pgtable.h index a43047b1030d..e24d2c992b11 100644 --- a/include/linux/pgtable.h +++ b/include/linux/pgtable.h @@ -29,6 +29,24 @@ #endif /* + * This defines the first usable user address. Platforms + * can override its value with custom FIRST_USER_ADDRESS + * defined in their respective <asm/pgtable.h>. + */ +#ifndef FIRST_USER_ADDRESS +#define FIRST_USER_ADDRESS 0UL +#endif + +/* + * This defines the generic helper for accessing PMD page + * table page. Although platforms can still override this + * via their respective <asm/pgtable.h>. + */ +#ifndef pmd_pgtable +#define pmd_pgtable(pmd) pmd_page(pmd) +#endif + +/* * A page table page can be thought of an array like this: pXd_t[PTRS_PER_PxD] * * The pXx_index() functions return the index of the entry in the page @@ -88,7 +106,7 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) #ifndef pmd_offset static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) { - return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); + return pud_pgtable(*pud) + pmd_index(address); } #define pmd_offset pmd_offset #endif @@ -96,7 +114,7 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) #ifndef pud_offset static inline pud_t *pud_offset(p4d_t *p4d, unsigned long address) { - return (pud_t *)p4d_page_vaddr(*p4d) + pud_index(address); + return p4d_pgtable(*p4d) + pud_index(address); } #define pud_offset pud_offset #endif @@ -1592,4 +1610,26 @@ typedef unsigned int pgtbl_mod_mask; #define pte_leaf_size(x) PAGE_SIZE #endif +/* + * Some architectures have MMUs that are configurable or selectable at boot + * time. These lead to variable PTRS_PER_x. For statically allocated arrays it + * helps to have a static maximum value. + */ + +#ifndef MAX_PTRS_PER_PTE +#define MAX_PTRS_PER_PTE PTRS_PER_PTE +#endif + +#ifndef MAX_PTRS_PER_PMD +#define MAX_PTRS_PER_PMD PTRS_PER_PMD +#endif + +#ifndef MAX_PTRS_PER_PUD +#define MAX_PTRS_PER_PUD PTRS_PER_PUD +#endif + +#ifndef MAX_PTRS_PER_P4D +#define MAX_PTRS_PER_P4D PTRS_PER_P4D +#endif + #endif /* _LINUX_PGTABLE_H */ diff --git a/include/linux/phy.h b/include/linux/phy.h index 852743f07e3e..736e1d1a47c4 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -93,6 +93,7 @@ extern const int phy_10gbit_features_array[1]; * @PHY_INTERFACE_MODE_TBI: Ten Bit Interface * @PHY_INTERFACE_MODE_REVMII: Reverse Media Independent Interface * @PHY_INTERFACE_MODE_RMII: Reduced Media Independent Interface + * @PHY_INTERFACE_MODE_REVRMII: Reduced Media Independent Interface in PHY role * @PHY_INTERFACE_MODE_RGMII: Reduced gigabit media-independent interface * @PHY_INTERFACE_MODE_RGMII_ID: RGMII with Internal RX+TX delay * @PHY_INTERFACE_MODE_RGMII_RXID: RGMII with Internal RX delay @@ -111,6 +112,7 @@ extern const int phy_10gbit_features_array[1]; * @PHY_INTERFACE_MODE_RXAUI: Reduced XAUI * @PHY_INTERFACE_MODE_XAUI: 10 Gigabit Attachment Unit Interface * @PHY_INTERFACE_MODE_10GBASER: 10G BaseR + * @PHY_INTERFACE_MODE_25GBASER: 25G BaseR * @PHY_INTERFACE_MODE_USXGMII: Universal Serial 10GE MII * @PHY_INTERFACE_MODE_10GKR: 10GBASE-KR - with Clause 73 AN * @PHY_INTERFACE_MODE_MAX: Book keeping @@ -126,6 +128,7 @@ typedef enum { PHY_INTERFACE_MODE_TBI, PHY_INTERFACE_MODE_REVMII, PHY_INTERFACE_MODE_RMII, + PHY_INTERFACE_MODE_REVRMII, PHY_INTERFACE_MODE_RGMII, PHY_INTERFACE_MODE_RGMII_ID, PHY_INTERFACE_MODE_RGMII_RXID, @@ -145,6 +148,7 @@ typedef enum { PHY_INTERFACE_MODE_XAUI, /* 10GBASE-R, XFI, SFI - single lane 10G Serdes */ PHY_INTERFACE_MODE_10GBASER, + PHY_INTERFACE_MODE_25GBASER, PHY_INTERFACE_MODE_USXGMII, /* 10GBASE-KR - with Clause 73 AN */ PHY_INTERFACE_MODE_10GKR, @@ -185,6 +189,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "rev-mii"; case PHY_INTERFACE_MODE_RMII: return "rmii"; + case PHY_INTERFACE_MODE_REVRMII: + return "rev-rmii"; case PHY_INTERFACE_MODE_RGMII: return "rgmii"; case PHY_INTERFACE_MODE_RGMII_ID: @@ -219,6 +225,8 @@ static inline const char *phy_modes(phy_interface_t interface) return "xaui"; case PHY_INTERFACE_MODE_10GBASER: return "10gbase-r"; + case PHY_INTERFACE_MODE_25GBASER: + return "25gbase-r"; case PHY_INTERFACE_MODE_USXGMII: return "usxgmii"; case PHY_INTERFACE_MODE_10GKR: @@ -1373,10 +1381,42 @@ struct phy_device *phy_device_create(struct mii_bus *bus, int addr, u32 phy_id, bool is_c45, struct phy_c45_device_ids *c45_ids); #if IS_ENABLED(CONFIG_PHYLIB) +int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id); +struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode); +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode); +struct phy_device *device_phy_find_device(struct device *dev); +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode); struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45); int phy_device_register(struct phy_device *phy); void phy_device_free(struct phy_device *phydev); #else +static inline int fwnode_get_phy_id(struct fwnode_handle *fwnode, u32 *phy_id) +{ + return 0; +} +static inline +struct mdio_device *fwnode_mdio_find_device(struct fwnode_handle *fwnode) +{ + return 0; +} + +static inline +struct phy_device *fwnode_phy_find_device(struct fwnode_handle *phy_fwnode) +{ + return NULL; +} + +static inline struct phy_device *device_phy_find_device(struct device *dev) +{ + return NULL; +} + +static inline +struct fwnode_handle *fwnode_get_phy_node(struct fwnode_handle *fwnode) +{ + return NULL; +} + static inline struct phy_device *get_phy_device(struct mii_bus *bus, int addr, bool is_c45) { @@ -1391,6 +1431,7 @@ static inline int phy_device_register(struct phy_device *phy) static inline void phy_device_free(struct phy_device *phydev) { } #endif /* CONFIG_PHYLIB */ void phy_device_remove(struct phy_device *phydev); +int phy_get_c45_ids(struct phy_device *phydev); int phy_init_hw(struct phy_device *phydev); int phy_suspend(struct phy_device *phydev); int phy_resume(struct phy_device *phydev); diff --git a/include/linux/phy/phy.h b/include/linux/phy/phy.h index 0ed434d02196..f3286f4cd306 100644 --- a/include/linux/phy/phy.h +++ b/include/linux/phy/phy.h @@ -125,7 +125,7 @@ struct phy_ops { /** * struct phy_attrs - represents phy attributes * @bus_width: Data path width implemented by PHY - * @max_link_rate: Maximum link rate supported by PHY (in Mbps) + * @max_link_rate: Maximum link rate supported by PHY (units to be decided by producer and consumer) * @mode: PHY mode */ struct phy_attrs { diff --git a/include/linux/phy/tegra/xusb.h b/include/linux/phy/tegra/xusb.h index 71d956935405..3a35e74cdc61 100644 --- a/include/linux/phy/tegra/xusb.h +++ b/include/linux/phy/tegra/xusb.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2016-2020, NVIDIA CORPORATION. All rights reserved. */ #ifndef PHY_TEGRA_XUSB_H @@ -8,6 +8,7 @@ struct tegra_xusb_padctl; struct device; +enum usb_device_speed; struct tegra_xusb_padctl *tegra_xusb_padctl_get(struct device *dev); void tegra_xusb_padctl_put(struct tegra_xusb_padctl *padctl); @@ -23,4 +24,11 @@ int tegra_xusb_padctl_set_vbus_override(struct tegra_xusb_padctl *padctl, int tegra_phy_xusb_utmi_port_reset(struct phy *phy); int tegra_xusb_padctl_get_usb3_companion(struct tegra_xusb_padctl *padctl, unsigned int port); +int tegra_xusb_padctl_enable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy, + enum usb_device_speed speed); +int tegra_xusb_padctl_disable_phy_sleepwalk(struct tegra_xusb_padctl *padctl, struct phy *phy); +int tegra_xusb_padctl_enable_phy_wake(struct tegra_xusb_padctl *padctl, struct phy *phy); +int tegra_xusb_padctl_disable_phy_wake(struct tegra_xusb_padctl *padctl, struct phy *phy); +bool tegra_xusb_padctl_remote_wake_detected(struct tegra_xusb_padctl *padctl, struct phy *phy); + #endif /* PHY_TEGRA_XUSB_H */ diff --git a/include/linux/phylink.h b/include/linux/phylink.h index fd2acfd9b597..237291196ce2 100644 --- a/include/linux/phylink.h +++ b/include/linux/phylink.h @@ -441,6 +441,9 @@ void phylink_destroy(struct phylink *); int phylink_connect_phy(struct phylink *, struct phy_device *); int phylink_of_phy_connect(struct phylink *, struct device_node *, u32 flags); +int phylink_fwnode_phy_connect(struct phylink *pl, + struct fwnode_handle *fwnode, + u32 flags); void phylink_disconnect_phy(struct phylink *); void phylink_mac_change(struct phylink *, bool up); @@ -448,6 +451,9 @@ void phylink_mac_change(struct phylink *, bool up); void phylink_start(struct phylink *); void phylink_stop(struct phylink *); +void phylink_suspend(struct phylink *pl, bool mac_wol); +void phylink_resume(struct phylink *pl); + void phylink_ethtool_get_wol(struct phylink *, struct ethtool_wolinfo *); int phylink_ethtool_set_wol(struct phylink *, struct ethtool_wolinfo *); diff --git a/include/linux/pid.h b/include/linux/pid.h index fa10acb8d6a4..af308e15f174 100644 --- a/include/linux/pid.h +++ b/include/linux/pid.h @@ -78,6 +78,7 @@ struct file; extern struct pid *pidfd_pid(const struct file *file); struct pid *pidfd_get_pid(unsigned int fd, unsigned int *flags); +int pidfd_create(struct pid *pid, unsigned int flags); static inline struct pid *get_pid(struct pid *pid) { diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index e18ab3d5908f..eee0e3948537 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -81,28 +81,28 @@ struct pinctrl_map; * passed in the argument on a custom form, else just use argument 1 * to indicate low power mode, argument 0 turns low power mode off. * @PIN_CONFIG_MODE_PWM: this will configure the pin for PWM + * @PIN_CONFIG_OUTPUT: this will configure the pin as an output and drive a + * value on the line. Use argument 1 to indicate high level, argument 0 to + * indicate low level. (Please see Documentation/driver-api/pin-control.rst, + * section "GPIO mode pitfalls" for a discussion around this parameter.) * @PIN_CONFIG_OUTPUT_ENABLE: this will enable the pin's output mode * without driving a value there. For most platforms this reduces to * enable the output buffers and then let the pin controller current * configuration (eg. the currently selected mux function) drive values on * the line. Use argument 1 to enable output mode, argument 0 to disable * it. - * @PIN_CONFIG_OUTPUT: this will configure the pin as an output and drive a - * value on the line. Use argument 1 to indicate high level, argument 0 to - * indicate low level. (Please see Documentation/driver-api/pinctl.rst, - * section "GPIO mode pitfalls" for a discussion around this parameter.) * @PIN_CONFIG_PERSIST_STATE: retain pin state across sleep or controller reset * @PIN_CONFIG_POWER_SOURCE: if the pin can select between different power * supplies, the argument to this parameter (on a custom format) tells * the driver which alternative power source to use. - * @PIN_CONFIG_SLEEP_HARDWARE_STATE: indicate this is sleep related state. - * @PIN_CONFIG_SLEW_RATE: if the pin can select slew rate, the argument to - * this parameter (on a custom format) tells the driver which alternative - * slew rate to use. * @PIN_CONFIG_SKEW_DELAY: if the pin has programmable skew rate (on inputs) * or latch delay (on outputs) this parameter (in a custom format) * specifies the clock skew or latch delay. It typically controls how * many double inverters are put in front of the line. + * @PIN_CONFIG_SLEEP_HARDWARE_STATE: indicate this is sleep related state. + * @PIN_CONFIG_SLEW_RATE: if the pin can select slew rate, the argument to + * this parameter (on a custom format) tells the driver which alternative + * slew rate to use. * @PIN_CONFIG_END: this is the last enumerator for pin configurations, if * you need to pass in custom configurations to the pin controller, use * PIN_CONFIG_END+1 as the base offset. @@ -127,13 +127,13 @@ enum pin_config_param { PIN_CONFIG_INPUT_SCHMITT_ENABLE, PIN_CONFIG_MODE_LOW_POWER, PIN_CONFIG_MODE_PWM, - PIN_CONFIG_OUTPUT_ENABLE, PIN_CONFIG_OUTPUT, + PIN_CONFIG_OUTPUT_ENABLE, PIN_CONFIG_PERSIST_STATE, PIN_CONFIG_POWER_SOURCE, + PIN_CONFIG_SKEW_DELAY, PIN_CONFIG_SLEEP_HARDWARE_STATE, PIN_CONFIG_SLEW_RATE, - PIN_CONFIG_SKEW_DELAY, PIN_CONFIG_END = 0x7F, PIN_CONFIG_MAX = 0xFF, }; diff --git a/include/linux/pipe_fs_i.h b/include/linux/pipe_fs_i.h index 5d2705f1d01c..fc5642431b92 100644 --- a/include/linux/pipe_fs_i.h +++ b/include/linux/pipe_fs_i.h @@ -48,6 +48,7 @@ struct pipe_buffer { * @files: number of struct file referring this pipe (protected by ->i_lock) * @r_counter: reader counter * @w_counter: writer counter + * @poll_usage: is this pipe used for epoll, which has crazy wakeups? * @fasync_readers: reader side fasync * @fasync_writers: writer side fasync * @bufs: the circular array of pipe buffers @@ -70,6 +71,7 @@ struct pipe_inode_info { unsigned int files; unsigned int r_counter; unsigned int w_counter; + unsigned int poll_usage; struct page *tmp_page; struct fasync_struct *fasync_readers; struct fasync_struct *fasync_writers; diff --git a/include/linux/pkeys.h b/include/linux/pkeys.h index 2955ba976048..86be8bf27b41 100644 --- a/include/linux/pkeys.h +++ b/include/linux/pkeys.h @@ -4,6 +4,8 @@ #include <linux/mm.h> +#define ARCH_DEFAULT_PKEY 0 + #ifdef CONFIG_ARCH_HAS_PKEYS #include <asm/pkeys.h> #else /* ! CONFIG_ARCH_HAS_PKEYS */ @@ -44,10 +46,6 @@ static inline bool arch_pkeys_enabled(void) return false; } -static inline void copy_init_pkru_to_fpregs(void) -{ -} - #endif /* ! CONFIG_ARCH_HAS_PKEYS */ #endif /* _LINUX_PKEYS_H */ diff --git a/include/linux/pl353-smc.h b/include/linux/pl353-smc.h deleted file mode 100644 index 0e0d3df9bf72..000000000000 --- a/include/linux/pl353-smc.h +++ /dev/null @@ -1,30 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * ARM PL353 SMC Driver Header - * - * Copyright (C) 2012 - 2018 Xilinx, Inc - */ - -#ifndef __LINUX_PL353_SMC_H -#define __LINUX_PL353_SMC_H - -enum pl353_smc_ecc_mode { - PL353_SMC_ECCMODE_BYPASS = 0, - PL353_SMC_ECCMODE_APB = 1, - PL353_SMC_ECCMODE_MEM = 2 -}; - -enum pl353_smc_mem_width { - PL353_SMC_MEM_WIDTH_8 = 0, - PL353_SMC_MEM_WIDTH_16 = 1 -}; - -u32 pl353_smc_get_ecc_val(int ecc_reg); -bool pl353_smc_ecc_is_busy(void); -int pl353_smc_get_nand_int_status_raw(void); -void pl353_smc_clr_nand_int(void); -int pl353_smc_set_ecc_mode(enum pl353_smc_ecc_mode mode); -int pl353_smc_set_ecc_pg_size(unsigned int pg_sz); -int pl353_smc_set_buswidth(unsigned int bw); -void pl353_smc_set_cycles(u32 timings[]); -#endif diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h index 45f53afc46e2..271bd87bff0a 100644 --- a/include/linux/platform_data/cros_ec_commands.h +++ b/include/linux/platform_data/cros_ec_commands.h @@ -4228,6 +4228,7 @@ enum ec_device_event { EC_DEVICE_EVENT_TRACKPAD, EC_DEVICE_EVENT_DSP, EC_DEVICE_EVENT_WIFI, + EC_DEVICE_EVENT_WLC, }; enum ec_device_event_param { @@ -5460,6 +5461,72 @@ struct ec_response_rollback_info { /* Issue AP reset */ #define EC_CMD_AP_RESET 0x0125 +/** + * Get the number of peripheral charge ports + */ +#define EC_CMD_PCHG_COUNT 0x0134 + +#define EC_PCHG_MAX_PORTS 8 + +struct ec_response_pchg_count { + uint8_t port_count; +} __ec_align1; + +/** + * Get the status of a peripheral charge port + */ +#define EC_CMD_PCHG 0x0135 + +struct ec_params_pchg { + uint8_t port; +} __ec_align1; + +struct ec_response_pchg { + uint32_t error; /* enum pchg_error */ + uint8_t state; /* enum pchg_state state */ + uint8_t battery_percentage; + uint8_t unused0; + uint8_t unused1; + /* Fields added in version 1 */ + uint32_t fw_version; + uint32_t dropped_event_count; +} __ec_align2; + +enum pchg_state { + /* Charger is reset and not initialized. */ + PCHG_STATE_RESET = 0, + /* Charger is initialized or disabled. */ + PCHG_STATE_INITIALIZED, + /* Charger is enabled and ready to detect a device. */ + PCHG_STATE_ENABLED, + /* Device is in proximity. */ + PCHG_STATE_DETECTED, + /* Device is being charged. */ + PCHG_STATE_CHARGING, + /* Device is fully charged. It implies DETECTED (& not charging). */ + PCHG_STATE_FULL, + /* In download (a.k.a. firmware update) mode */ + PCHG_STATE_DOWNLOAD, + /* In download mode. Ready for receiving data. */ + PCHG_STATE_DOWNLOADING, + /* Device is ready for data communication. */ + PCHG_STATE_CONNECTED, + /* Put no more entry below */ + PCHG_STATE_COUNT, +}; + +#define EC_PCHG_STATE_TEXT { \ + [PCHG_STATE_RESET] = "RESET", \ + [PCHG_STATE_INITIALIZED] = "INITIALIZED", \ + [PCHG_STATE_ENABLED] = "ENABLED", \ + [PCHG_STATE_DETECTED] = "DETECTED", \ + [PCHG_STATE_CHARGING] = "CHARGING", \ + [PCHG_STATE_FULL] = "FULL", \ + [PCHG_STATE_DOWNLOAD] = "DOWNLOAD", \ + [PCHG_STATE_DOWNLOADING] = "DOWNLOADING", \ + [PCHG_STATE_CONNECTED] = "CONNECTED", \ + } + /*****************************************************************************/ /* Voltage regulator controls */ diff --git a/include/linux/platform_data/davinci_asp.h b/include/linux/platform_data/davinci_asp.h index 5d1fb0d78a22..76b13ef67562 100644 --- a/include/linux/platform_data/davinci_asp.h +++ b/include/linux/platform_data/davinci_asp.h @@ -96,6 +96,7 @@ enum { MCASP_VERSION_2, /* DA8xx/OMAPL1x */ MCASP_VERSION_3, /* TI81xx/AM33xx */ MCASP_VERSION_4, /* DRA7xxx */ + MCASP_VERSION_OMAP, /* OMAP4/5 */ }; enum mcbsp_clk_input_pin { diff --git a/include/linux/platform_data/dma-dw.h b/include/linux/platform_data/dma-dw.h index b34a094b2258..860ba4bc5ead 100644 --- a/include/linux/platform_data/dma-dw.h +++ b/include/linux/platform_data/dma-dw.h @@ -41,36 +41,39 @@ struct dw_dma_slave { /** * struct dw_dma_platform_data - Controller configuration parameters + * @nr_masters: Number of AHB masters supported by the controller * @nr_channels: Number of channels supported by hardware (max 8) * @chan_allocation_order: Allocate channels starting from 0 or 7 * @chan_priority: Set channel priority increasing from 0 to 7 or 7 to 0. * @block_size: Maximum block size supported by the controller - * @nr_masters: Number of AHB masters supported by the controller * @data_width: Maximum data width supported by hardware per AHB master * (in bytes, power of 2) * @multi_block: Multi block transfers supported by hardware per channel. * @max_burst: Maximum value of burst transaction size supported by hardware * per channel (in units of CTL.SRC_TR_WIDTH/CTL.DST_TR_WIDTH). * @protctl: Protection control signals setting per channel. + * @quirks: Optional platform quirks. */ struct dw_dma_platform_data { - unsigned int nr_channels; + u32 nr_masters; + u32 nr_channels; #define CHAN_ALLOCATION_ASCENDING 0 /* zero to seven */ #define CHAN_ALLOCATION_DESCENDING 1 /* seven to zero */ - unsigned char chan_allocation_order; + u32 chan_allocation_order; #define CHAN_PRIORITY_ASCENDING 0 /* chan0 highest */ #define CHAN_PRIORITY_DESCENDING 1 /* chan7 highest */ - unsigned char chan_priority; - unsigned int block_size; - unsigned char nr_masters; - unsigned char data_width[DW_DMA_MAX_NR_MASTERS]; - unsigned char multi_block[DW_DMA_MAX_NR_CHANNELS]; + u32 chan_priority; + u32 block_size; + u32 data_width[DW_DMA_MAX_NR_MASTERS]; + u32 multi_block[DW_DMA_MAX_NR_CHANNELS]; u32 max_burst[DW_DMA_MAX_NR_CHANNELS]; #define CHAN_PROTCTL_PRIVILEGED BIT(0) #define CHAN_PROTCTL_BUFFERABLE BIT(1) #define CHAN_PROTCTL_CACHEABLE BIT(2) #define CHAN_PROTCTL_MASK GENMASK(2, 0) - unsigned char protctl; + u32 protctl; +#define DW_DMA_QUIRK_XBAR_PRESENT BIT(0) + u32 quirks; }; #endif /* _PLATFORM_DATA_DMA_DW_H */ diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h deleted file mode 100644 index 725602d9df91..000000000000 --- a/include/linux/platform_data/dma-imx-sdma.h +++ /dev/null @@ -1,60 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef __MACH_MXC_SDMA_H__ -#define __MACH_MXC_SDMA_H__ - -/** - * struct sdma_script_start_addrs - SDMA script start pointers - * - * start addresses of the different functions in the physical - * address space of the SDMA engine. - */ -struct sdma_script_start_addrs { - s32 ap_2_ap_addr; - s32 ap_2_bp_addr; - s32 ap_2_ap_fixed_addr; - s32 bp_2_ap_addr; - s32 loopback_on_dsp_side_addr; - s32 mcu_interrupt_only_addr; - s32 firi_2_per_addr; - s32 firi_2_mcu_addr; - s32 per_2_firi_addr; - s32 mcu_2_firi_addr; - s32 uart_2_per_addr; - s32 uart_2_mcu_addr; - s32 per_2_app_addr; - s32 mcu_2_app_addr; - s32 per_2_per_addr; - s32 uartsh_2_per_addr; - s32 uartsh_2_mcu_addr; - s32 per_2_shp_addr; - s32 mcu_2_shp_addr; - s32 ata_2_mcu_addr; - s32 mcu_2_ata_addr; - s32 app_2_per_addr; - s32 app_2_mcu_addr; - s32 shp_2_per_addr; - s32 shp_2_mcu_addr; - s32 mshc_2_mcu_addr; - s32 mcu_2_mshc_addr; - s32 spdif_2_mcu_addr; - s32 mcu_2_spdif_addr; - s32 asrc_2_mcu_addr; - s32 ext_mem_2_ipu_addr; - s32 descrambler_addr; - s32 dptc_dvfs_addr; - s32 utra_addr; - s32 ram_code_start_addr; - /* End of v1 array */ - s32 mcu_2_ssish_addr; - s32 ssish_2_mcu_addr; - s32 hdmi_dma_addr; - /* End of v2 array */ - s32 zcanfd_2_mcu_addr; - s32 zqspi_2_mcu_addr; - s32 mcu_2_ecspi_addr; - /* End of v3 array */ - s32 mcu_2_zqspi_addr; - /* End of v4 array */ -}; - -#endif /* __MACH_MXC_SDMA_H__ */ diff --git a/include/linux/platform_data/gpio-dwapb.h b/include/linux/platform_data/gpio-dwapb.h deleted file mode 100644 index 0aa5c6720259..000000000000 --- a/include/linux/platform_data/gpio-dwapb.h +++ /dev/null @@ -1,25 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright(c) 2014 Intel Corporation. - */ - -#ifndef GPIO_DW_APB_H -#define GPIO_DW_APB_H - -#define DWAPB_MAX_GPIOS 32 - -struct dwapb_port_property { - struct fwnode_handle *fwnode; - unsigned int idx; - unsigned int ngpio; - unsigned int gpio_base; - int irq[DWAPB_MAX_GPIOS]; - bool irq_shared; -}; - -struct dwapb_platform_data { - struct dwapb_port_property *properties; - unsigned int nports; -}; - -#endif diff --git a/include/linux/platform_data/mmc-esdhc-imx.h b/include/linux/platform_data/mmc-esdhc-imx.h deleted file mode 100644 index cba1184b364c..000000000000 --- a/include/linux/platform_data/mmc-esdhc-imx.h +++ /dev/null @@ -1,42 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright 2010 Wolfram Sang <kernel@pengutronix.de> - */ - -#ifndef __ASM_ARCH_IMX_ESDHC_H -#define __ASM_ARCH_IMX_ESDHC_H - -#include <linux/types.h> - -enum wp_types { - ESDHC_WP_NONE, /* no WP, neither controller nor gpio */ - ESDHC_WP_CONTROLLER, /* mmc controller internal WP */ - ESDHC_WP_GPIO, /* external gpio pin for WP */ -}; - -enum cd_types { - ESDHC_CD_NONE, /* no CD, neither controller nor gpio */ - ESDHC_CD_CONTROLLER, /* mmc controller internal CD */ - ESDHC_CD_GPIO, /* external gpio pin for CD */ - ESDHC_CD_PERMANENT, /* no CD, card permanently wired to host */ -}; - -/** - * struct esdhc_platform_data - platform data for esdhc on i.MX - * - * ESDHC_WP(CD)_CONTROLLER type is not available on i.MX25/35. - * - * @wp_type: type of write_protect method (see wp_types enum above) - * @cd_type: type of card_detect method (see cd_types enum above) - */ - -struct esdhc_platform_data { - enum wp_types wp_type; - enum cd_types cd_type; - int max_bus_width; - unsigned int delay_line; - unsigned int tuning_step; /* The delay cell steps in tuning procedure */ - unsigned int tuning_start_tap; /* The start delay cell point in tuning procedure */ - unsigned int strobe_dll_delay_target; /* The delay cell for strobe pad (read clock) */ -}; -#endif /* __ASM_ARCH_IMX_ESDHC_H */ diff --git a/include/linux/platform_data/pata_ixp4xx_cf.h b/include/linux/platform_data/pata_ixp4xx_cf.h new file mode 100644 index 000000000000..e60fa41da4a5 --- /dev/null +++ b/include/linux/platform_data/pata_ixp4xx_cf.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __PLATFORM_DATA_PATA_IXP4XX_H +#define __PLATFORM_DATA_PATA_IXP4XX_H + +#include <linux/types.h> + +/* + * This structure provide a means for the board setup code + * to give information to th pata_ixp4xx driver. It is + * passed as platform_data. + */ +struct ixp4xx_pata_data { + volatile u32 *cs0_cfg; + volatile u32 *cs1_cfg; + unsigned long cs0_bits; + unsigned long cs1_bits; + void __iomem *cmd; + void __iomem *ctl; +}; + +#endif diff --git a/include/linux/platform_data/spi-ath79.h b/include/linux/platform_data/spi-ath79.h deleted file mode 100644 index 81a388ff58cc..000000000000 --- a/include/linux/platform_data/spi-ath79.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Platform data definition for Atheros AR71XX/AR724X/AR913X SPI controller - * - * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> - */ - -#ifndef _ATH79_SPI_PLATFORM_H -#define _ATH79_SPI_PLATFORM_H - -struct ath79_spi_platform_data { - unsigned bus_num; - unsigned num_chipselect; -}; - -#endif /* _ATH79_SPI_PLATFORM_H */ diff --git a/include/linux/platform_data/spi-mt65xx.h b/include/linux/platform_data/spi-mt65xx.h index 65fd5ffd257c..f0db674f07b8 100644 --- a/include/linux/platform_data/spi-mt65xx.h +++ b/include/linux/platform_data/spi-mt65xx.h @@ -12,5 +12,6 @@ /* Board specific platform_data */ struct mtk_chip_config { u32 sample_sel; + u32 tick_delay; }; #endif diff --git a/include/linux/platform_data/st_sensors_pdata.h b/include/linux/platform_data/st_sensors_pdata.h index e40b28ca892e..897051e51b78 100644 --- a/include/linux/platform_data/st_sensors_pdata.h +++ b/include/linux/platform_data/st_sensors_pdata.h @@ -13,8 +13,9 @@ /** * struct st_sensors_platform_data - Platform data for the ST sensors * @drdy_int_pin: Redirect DRDY on pin 1 (1) or pin 2 (2). - * Available only for accelerometer and pressure sensors. + * Available only for accelerometer, magnetometer and pressure sensors. * Accelerometer DRDY on LSM330 available only on pin 1 (see datasheet). + * Magnetometer DRDY is supported only on LSM9DS0. * @open_drain: set the interrupt line to be open drain if possible. * @spi_3wire: enable spi-3wire mode. * @pullups: enable/disable i2c controller pullup resistors. diff --git a/include/linux/platform_data/usb-omap1.h b/include/linux/platform_data/usb-omap1.h index 43b5ce139c37..878e572a78bf 100644 --- a/include/linux/platform_data/usb-omap1.h +++ b/include/linux/platform_data/usb-omap1.h @@ -48,6 +48,8 @@ struct omap_usb_config { u32 (*usb2_init)(unsigned nwires, unsigned alt_pingroup); int (*ocpi_enable)(void); + + void (*lb_reset)(void); }; #endif /* __LINUX_USB_OMAP1_H */ diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h index 2f274cf52805..17dc5cb6f3f2 100644 --- a/include/linux/platform_data/x86/asus-wmi.h +++ b/include/linux/platform_data/x86/asus-wmi.h @@ -61,6 +61,7 @@ #define ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY 0x00120075 /* Misc */ +#define ASUS_WMI_DEVID_PANEL_OD 0x00050019 #define ASUS_WMI_DEVID_CAMERA 0x00060013 #define ASUS_WMI_DEVID_LID_FLIP 0x00060062 @@ -89,6 +90,12 @@ /* Keyboard dock */ #define ASUS_WMI_DEVID_KBD_DOCK 0x00120063 +/* dgpu on/off */ +#define ASUS_WMI_DEVID_EGPU 0x00090019 + +/* dgpu on/off */ +#define ASUS_WMI_DEVID_DGPU 0x00090020 + /* DSTS masks */ #define ASUS_WMI_DSTS_STATUS_BIT 0x00000001 #define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002 diff --git a/include/linux/platform_data/x86/clk-lpss.h b/include/linux/platform_data/x86/clk-lpss.h index 207e1a317800..41df326583f9 100644 --- a/include/linux/platform_data/x86/clk-lpss.h +++ b/include/linux/platform_data/x86/clk-lpss.h @@ -15,6 +15,6 @@ struct lpss_clk_data { struct clk *clk; }; -extern int lpt_clk_init(void); +extern int lpss_atom_clk_init(void); #endif /* __CLK_LPSS_H */ diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index cd81e060863c..7c96f169d274 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -66,9 +66,6 @@ extern void __iomem * devm_platform_ioremap_resource(struct platform_device *pdev, unsigned int index); extern void __iomem * -devm_platform_ioremap_resource_wc(struct platform_device *pdev, - unsigned int index); -extern void __iomem * devm_platform_ioremap_resource_byname(struct platform_device *pdev, const char *name); extern int platform_get_irq(struct platform_device *, unsigned int); @@ -200,8 +197,6 @@ extern int platform_device_add_resources(struct platform_device *pdev, unsigned int num); extern int platform_device_add_data(struct platform_device *pdev, const void *data, size_t size); -extern int platform_device_add_properties(struct platform_device *pdev, - const struct property_entry *properties); extern int platform_device_add(struct platform_device *pdev); extern void platform_device_del(struct platform_device *pdev); extern void platform_device_put(struct platform_device *pdev); diff --git a/include/linux/platform_profile.h b/include/linux/platform_profile.h index a6329003aee7..e5cbb6841f3a 100644 --- a/include/linux/platform_profile.h +++ b/include/linux/platform_profile.h @@ -2,7 +2,7 @@ /* * Platform profile sysfs interface * - * See Documentation/ABI/testing/sysfs-platform_profile.rst for more + * See Documentation/userspace-api/sysfs-platform_profile.rst for more * information. */ diff --git a/include/linux/pm2301_charger.h b/include/linux/pm2301_charger.h deleted file mode 100644 index b8fac96f05aa..000000000000 --- a/include/linux/pm2301_charger.h +++ /dev/null @@ -1,48 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * PM2301 charger driver. - * - * Copyright (C) 2012 ST Ericsson Corporation - * - * Contact: Olivier LAUNAY (olivier.launay@stericsson.com - */ - -#ifndef __LINUX_PM2301_H -#define __LINUX_PM2301_H - -/** - * struct pm2xxx_bm_charger_parameters - Charger specific parameters - * @ac_volt_max: maximum allowed AC charger voltage in mV - * @ac_curr_max: maximum allowed AC charger current in mA - */ -struct pm2xxx_bm_charger_parameters { - int ac_volt_max; - int ac_curr_max; -}; - -/** - * struct pm2xxx_bm_data - pm2xxx battery management data - * @enable_overshoot flag to enable VBAT overshoot control - * @chg_params charger parameters - */ -struct pm2xxx_bm_data { - bool enable_overshoot; - const struct pm2xxx_bm_charger_parameters *chg_params; -}; - -struct pm2xxx_charger_platform_data { - char **supplied_to; - size_t num_supplicants; - int i2c_bus; - const char *label; - int gpio_irq_number; - unsigned int lpn_gpio; - int irq_type; -}; - -struct pm2xxx_platform_data { - struct pm2xxx_charger_platform_data *wall_charger; - struct pm2xxx_bm_data *battery; -}; - -#endif /* __LINUX_PM2301_H */ diff --git a/include/linux/pm_clock.h b/include/linux/pm_clock.h index 8ddc7860e131..ada3a0ab10bf 100644 --- a/include/linux/pm_clock.h +++ b/include/linux/pm_clock.h @@ -47,6 +47,7 @@ extern void pm_clk_remove(struct device *dev, const char *con_id); extern void pm_clk_remove_clk(struct device *dev, struct clk *clk); extern int pm_clk_suspend(struct device *dev); extern int pm_clk_resume(struct device *dev); +extern int devm_pm_clk_create(struct device *dev); #else static inline bool pm_clk_no_clocks(struct device *dev) { @@ -83,6 +84,10 @@ static inline void pm_clk_remove(struct device *dev, const char *con_id) static inline void pm_clk_remove_clk(struct device *dev, struct clk *clk) { } +static inline int devm_pm_clk_create(struct device *dev) +{ + return -EINVAL; +} #endif #ifdef CONFIG_HAVE_CLK diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index dfcfbcecc34b..67017c9390c8 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -198,6 +198,8 @@ struct generic_pm_domain_data { struct notifier_block *power_nb; int cpu; unsigned int performance_state; + unsigned int default_pstate; + unsigned int rpm_pstate; ktime_t next_wakeup; void *data; }; diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 6c08a085367b..222da43b7096 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -59,6 +59,8 @@ extern void pm_runtime_put_suppliers(struct device *dev); extern void pm_runtime_new_link(struct device *dev); extern void pm_runtime_drop_link(struct device_link *link); +extern int devm_pm_runtime_enable(struct device *dev); + /** * pm_runtime_get_if_in_use - Conditionally bump up runtime PM usage counter. * @dev: Target device. @@ -253,6 +255,8 @@ static inline void __pm_runtime_disable(struct device *dev, bool c) {} static inline void pm_runtime_allow(struct device *dev) {} static inline void pm_runtime_forbid(struct device *dev) {} +static inline int devm_pm_runtime_enable(struct device *dev) { return 0; } + static inline void pm_suspend_ignore_children(struct device *dev, bool enable) {} static inline void pm_runtime_get_noresume(struct device *dev) {} static inline void pm_runtime_put_noidle(struct device *dev) {} @@ -380,6 +384,9 @@ static inline int pm_runtime_get(struct device *dev) * The possible return values of this function are the same as for * pm_runtime_resume() and the runtime PM usage counter of @dev remains * incremented in all cases, even if it returns an error code. + * Consider using pm_runtime_resume_and_get() instead of it, especially + * if its return value is checked by the caller, as this is likely to result + * in cleaner code. */ static inline int pm_runtime_get_sync(struct device *dev) { diff --git a/include/linux/pmbus.h b/include/linux/pmbus.h index 12cbbf305969..fa9f08164c36 100644 --- a/include/linux/pmbus.h +++ b/include/linux/pmbus.h @@ -43,6 +43,36 @@ */ #define PMBUS_NO_CAPABILITY BIT(2) +/* + * PMBUS_READ_STATUS_AFTER_FAILED_CHECK + * + * Some PMBus chips end up in an undefined state when trying to read an + * unsupported register. For such chips, it is necessary to reset the + * chip pmbus controller to a known state after a failed register check. + * This can be done by reading a known register. By setting this flag the + * driver will try to read the STATUS register after each failed + * register check. This read may fail, but it will put the chip in a + * known state. + */ +#define PMBUS_READ_STATUS_AFTER_FAILED_CHECK BIT(3) + +/* + * PMBUS_NO_WRITE_PROTECT + * + * Some PMBus chips respond with invalid data when reading the WRITE_PROTECT + * register. For such chips, this flag should be set so that the PMBus core + * driver doesn't use the WRITE_PROTECT command to determine its behavior. + */ +#define PMBUS_NO_WRITE_PROTECT BIT(4) + +/* + * PMBUS_USE_COEFFICIENTS_CMD + * + * When this flag is set the PMBus core driver will use the COEFFICIENTS + * register to initialize the coefficients for the direct mode format. + */ +#define PMBUS_USE_COEFFICIENTS_CMD BIT(5) + struct pmbus_platform_data { u32 flags; /* Device specific flags */ diff --git a/include/linux/poison.h b/include/linux/poison.h index aff1c9250c82..d62ef5a6b4e9 100644 --- a/include/linux/poison.h +++ b/include/linux/poison.h @@ -78,4 +78,7 @@ /********** security/ **********/ #define KEY_DESTROY 0xbd +/********** net/core/page_pool.c **********/ +#define PP_SIGNATURE (0x40 + POISON_POINTER_DELTA) + #endif diff --git a/include/linux/posix-timers.h b/include/linux/posix-timers.h index 896c16d2c5fb..00fef0064355 100644 --- a/include/linux/posix-timers.h +++ b/include/linux/posix-timers.h @@ -82,12 +82,19 @@ static inline bool cpu_timer_enqueue(struct timerqueue_head *head, return timerqueue_add(head, &ctmr->node); } -static inline void cpu_timer_dequeue(struct cpu_timer *ctmr) +static inline bool cpu_timer_queued(struct cpu_timer *ctmr) { - if (ctmr->head) { + return !!ctmr->head; +} + +static inline bool cpu_timer_dequeue(struct cpu_timer *ctmr) +{ + if (cpu_timer_queued(ctmr)) { timerqueue_del(ctmr->head, &ctmr->node); ctmr->head = NULL; + return true; } + return false; } static inline u64 cpu_timer_getexpires(struct cpu_timer *ctmr) diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h index 307094ebb88c..b65c877d92b8 100644 --- a/include/linux/posix_acl.h +++ b/include/linux/posix_acl.h @@ -72,6 +72,8 @@ extern struct posix_acl *get_posix_acl(struct inode *, int); extern int set_posix_acl(struct user_namespace *, struct inode *, int, struct posix_acl *); +struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type); + #ifdef CONFIG_FS_POSIX_ACL int posix_acl_chmod(struct user_namespace *, struct inode *, umode_t); extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **, @@ -84,7 +86,6 @@ extern int simple_set_acl(struct user_namespace *, struct inode *, extern int simple_acl_create(struct inode *, struct inode *); struct posix_acl *get_cached_acl(struct inode *inode, int type); -struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type); void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl); void forget_cached_acl(struct inode *inode, int type); void forget_all_cached_acls(struct inode *inode); diff --git a/include/linux/power/ab8500.h b/include/linux/power/ab8500.h deleted file mode 100644 index 51976b52f373..000000000000 --- a/include/linux/power/ab8500.h +++ /dev/null @@ -1,16 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copyright (C) ST-Ericsson 2013 - * Author: Hongbo Zhang <hongbo.zhang@linaro.com> - */ - -#ifndef PWR_AB8500_H -#define PWR_AB8500_H - -extern const struct abx500_res_to_temp ab8500_temp_tbl_a_thermistor[]; -extern const int ab8500_temp_tbl_a_size; - -extern const struct abx500_res_to_temp ab8500_temp_tbl_b_thermistor[]; -extern const int ab8500_temp_tbl_b_size; - -#endif /* PWR_AB8500_H */ diff --git a/include/linux/power/max17042_battery.h b/include/linux/power/max17042_battery.h index d55c746ac56e..dd24756a8af7 100644 --- a/include/linux/power/max17042_battery.h +++ b/include/linux/power/max17042_battery.h @@ -69,7 +69,7 @@ enum max17042_register { MAX17042_RelaxCFG = 0x2A, MAX17042_MiscCFG = 0x2B, MAX17042_TGAIN = 0x2C, - MAx17042_TOFF = 0x2D, + MAX17042_TOFF = 0x2D, MAX17042_CGAIN = 0x2E, MAX17042_COFF = 0x2F, @@ -110,13 +110,14 @@ enum max17042_register { MAX17042_VFSOC = 0xFF, }; +/* Registers specific to max17055 only */ enum max17055_register { MAX17055_QRes = 0x0C, + MAX17055_RCell = 0x14, MAX17055_TTF = 0x20, - MAX17055_V_empty = 0x3A, - MAX17055_TIMER = 0x3E, + MAX17055_DieTemp = 0x34, MAX17055_USER_MEM = 0x40, - MAX17055_RGAIN = 0x42, + MAX17055_RGAIN = 0x43, MAX17055_ConvgCfg = 0x49, MAX17055_VFRemCap = 0x4A, @@ -155,13 +156,14 @@ enum max17055_register { MAX17055_AtAvCap = 0xDF, }; -/* Registers specific to max17047/50 */ +/* Registers specific to max17047/50/55 */ enum max17047_register { MAX17047_QRTbl00 = 0x12, MAX17047_FullSOCThr = 0x13, MAX17047_QRTbl10 = 0x22, MAX17047_QRTbl20 = 0x32, MAX17047_V_empty = 0x3A, + MAX17047_TIMER = 0x3E, MAX17047_QRTbl30 = 0x42, }; diff --git a/include/linux/power/smartreflex.h b/include/linux/power/smartreflex.h index 971c9264179e..167b9b040091 100644 --- a/include/linux/power/smartreflex.h +++ b/include/linux/power/smartreflex.h @@ -155,6 +155,7 @@ struct omap_sr { struct voltagedomain *voltdm; struct dentry *dbg_dir; unsigned int irq; + struct clk *fck; int srid; int ip_type; int nvalue_count; @@ -169,6 +170,7 @@ struct omap_sr { u32 senp_mod; u32 senn_mod; void __iomem *base; + unsigned long enabled:1; }; /** diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index be203985ecdd..9ca1f120a211 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -352,6 +352,7 @@ struct power_supply_resistance_temp_table { */ struct power_supply_battery_info { + unsigned int technology; /* from the enum above */ int energy_full_design_uwh; /* microWatt-hours */ int charge_full_design_uah; /* microAmp-hours */ int voltage_min_design_uv; /* microVolts */ diff --git a/include/linux/prandom.h b/include/linux/prandom.h index bbf4b4ad61df..056d31317e49 100644 --- a/include/linux/prandom.h +++ b/include/linux/prandom.h @@ -111,7 +111,7 @@ static inline u32 __seed(u32 x, u32 m) */ static inline void prandom_seed_state(struct rnd_state *state, u64 seed) { - u32 i = (seed >> 32) ^ (seed << 10) ^ seed; + u32 i = ((seed >> 32) ^ (seed << 10) ^ seed) & 0xffffffffUL; state->s1 = __seed(i, 2U); state->s2 = __seed(i, 8U); diff --git a/include/linux/preempt.h b/include/linux/preempt.h index 9881eac0698f..4d244e295e85 100644 --- a/include/linux/preempt.h +++ b/include/linux/preempt.h @@ -121,7 +121,11 @@ /* * The preempt_count offset after spin_lock() */ +#if !defined(CONFIG_PREEMPT_RT) #define PREEMPT_LOCK_OFFSET PREEMPT_DISABLE_OFFSET +#else +#define PREEMPT_LOCK_OFFSET 0 +#endif /* * The preempt_count offset needed for things like: diff --git a/include/linux/printk.h b/include/linux/printk.h index fe7eb2351610..85b656f82d75 100644 --- a/include/linux/printk.h +++ b/include/linux/printk.h @@ -2,12 +2,13 @@ #ifndef __KERNEL_PRINTK__ #define __KERNEL_PRINTK__ -#include <stdarg.h> +#include <linux/stdarg.h> #include <linux/init.h> #include <linux/kern_levels.h> #include <linux/linkage.h> #include <linux/cache.h> #include <linux/ratelimit_types.h> +#include <linux/once_lite.h> extern const char linux_banner[]; extern const char linux_proc_banner[]; @@ -69,16 +70,7 @@ extern int console_printk[]; #define minimum_console_loglevel (console_printk[2]) #define default_console_loglevel (console_printk[3]) -static inline void console_silent(void) -{ - console_loglevel = CONSOLE_LOGLEVEL_SILENT; -} - -static inline void console_verbose(void) -{ - if (console_loglevel) - console_loglevel = CONSOLE_LOGLEVEL_MOTORMOUTH; -} +extern void console_verbose(void); /* strlen("ratelimit") + 1 */ #define DEVKMSG_STR_MAX_SIZE 10 @@ -149,18 +141,6 @@ static inline __printf(1, 2) __cold void early_printk(const char *s, ...) { } #endif -#ifdef CONFIG_PRINTK_NMI -extern void printk_nmi_enter(void); -extern void printk_nmi_exit(void); -extern void printk_nmi_direct_enter(void); -extern void printk_nmi_direct_exit(void); -#else -static inline void printk_nmi_enter(void) { } -static inline void printk_nmi_exit(void) { } -static inline void printk_nmi_direct_enter(void) { } -static inline void printk_nmi_direct_exit(void) { } -#endif /* PRINTK_NMI */ - struct dev_printk_info; #ifdef CONFIG_PRINTK @@ -173,12 +153,22 @@ asmlinkage __printf(1, 0) int vprintk(const char *fmt, va_list args); asmlinkage __printf(1, 2) __cold -int printk(const char *fmt, ...); +int _printk(const char *fmt, ...); /* * Special printk facility for scheduler/timekeeping use only, _DO_NOT_USE_ ! */ -__printf(1, 2) __cold int printk_deferred(const char *fmt, ...); +__printf(1, 2) __cold int _printk_deferred(const char *fmt, ...); + +extern void __printk_safe_enter(void); +extern void __printk_safe_exit(void); +/* + * The printk_deferred_enter/exit macros are available only as a hack for + * some code paths that need to defer all printk console printing. Interrupts + * must be disabled for the deferred duration. + */ +#define printk_deferred_enter __printk_safe_enter +#define printk_deferred_exit __printk_safe_exit /* * Please don't use printk_ratelimit(), because it shares ratelimiting state @@ -206,9 +196,8 @@ void __init setup_log_buf(int early); __printf(1, 2) void dump_stack_set_arch_desc(const char *fmt, ...); void dump_stack_print_info(const char *log_lvl); void show_regs_print_info(const char *log_lvl); +extern asmlinkage void dump_stack_lvl(const char *log_lvl) __cold; extern asmlinkage void dump_stack(void) __cold; -extern void printk_safe_flush(void); -extern void printk_safe_flush_on_panic(void); #else static inline __printf(1, 0) int vprintk(const char *s, va_list args) @@ -216,15 +205,24 @@ int vprintk(const char *s, va_list args) return 0; } static inline __printf(1, 2) __cold -int printk(const char *s, ...) +int _printk(const char *s, ...) { return 0; } static inline __printf(1, 2) __cold -int printk_deferred(const char *s, ...) +int _printk_deferred(const char *s, ...) { return 0; } + +static inline void printk_deferred_enter(void) +{ +} + +static inline void printk_deferred_exit(void) +{ +} + static inline int printk_ratelimit(void) { return 0; @@ -269,19 +267,56 @@ static inline void show_regs_print_info(const char *log_lvl) { } -static inline void dump_stack(void) +static inline void dump_stack_lvl(const char *log_lvl) { } -static inline void printk_safe_flush(void) -{ -} - -static inline void printk_safe_flush_on_panic(void) +static inline void dump_stack(void) { } #endif +#ifdef CONFIG_SMP +extern int __printk_cpu_trylock(void); +extern void __printk_wait_on_cpu_lock(void); +extern void __printk_cpu_unlock(void); + +/** + * printk_cpu_lock_irqsave() - Acquire the printk cpu-reentrant spinning + * lock and disable interrupts. + * @flags: Stack-allocated storage for saving local interrupt state, + * to be passed to printk_cpu_unlock_irqrestore(). + * + * If the lock is owned by another CPU, spin until it becomes available. + * Interrupts are restored while spinning. + */ +#define printk_cpu_lock_irqsave(flags) \ + for (;;) { \ + local_irq_save(flags); \ + if (__printk_cpu_trylock()) \ + break; \ + local_irq_restore(flags); \ + __printk_wait_on_cpu_lock(); \ + } + +/** + * printk_cpu_unlock_irqrestore() - Release the printk cpu-reentrant spinning + * lock and restore interrupts. + * @flags: Caller's saved interrupt state, from printk_cpu_lock_irqsave(). + */ +#define printk_cpu_unlock_irqrestore(flags) \ + do { \ + __printk_cpu_unlock(); \ + local_irq_restore(flags); \ + } while (0) \ + +#else + +#define printk_cpu_lock_irqsave(flags) ((void)flags) +#define printk_cpu_unlock_irqrestore(flags) ((void)flags) + +#endif /* CONFIG_SMP */ + extern int kptr_restrict; /** @@ -301,6 +336,117 @@ extern int kptr_restrict; #define pr_fmt(fmt) fmt #endif +struct module; + +#ifdef CONFIG_PRINTK_INDEX +struct pi_entry { + const char *fmt; + const char *func; + const char *file; + unsigned int line; + + /* + * While printk and pr_* have the level stored in the string at compile + * time, some subsystems dynamically add it at runtime through the + * format string. For these dynamic cases, we allow the subsystem to + * tell us the level at compile time. + * + * NULL indicates that the level, if any, is stored in fmt. + */ + const char *level; + + /* + * The format string used by various subsystem specific printk() + * wrappers to prefix the message. + * + * Note that the static prefix defined by the pr_fmt() macro is stored + * directly in the message format (@fmt), not here. + */ + const char *subsys_fmt_prefix; +} __packed; + +#define __printk_index_emit(_fmt, _level, _subsys_fmt_prefix) \ + do { \ + if (__builtin_constant_p(_fmt) && __builtin_constant_p(_level)) { \ + /* + * We check __builtin_constant_p multiple times here + * for the same input because GCC will produce an error + * if we try to assign a static variable to fmt if it + * is not a constant, even with the outer if statement. + */ \ + static const struct pi_entry _entry \ + __used = { \ + .fmt = __builtin_constant_p(_fmt) ? (_fmt) : NULL, \ + .func = __func__, \ + .file = __FILE__, \ + .line = __LINE__, \ + .level = __builtin_constant_p(_level) ? (_level) : NULL, \ + .subsys_fmt_prefix = _subsys_fmt_prefix,\ + }; \ + static const struct pi_entry *_entry_ptr \ + __used __section(".printk_index") = &_entry; \ + } \ + } while (0) + +#else /* !CONFIG_PRINTK_INDEX */ +#define __printk_index_emit(...) do {} while (0) +#endif /* CONFIG_PRINTK_INDEX */ + +/* + * Some subsystems have their own custom printk that applies a va_format to a + * generic format, for example, to include a device number or other metadata + * alongside the format supplied by the caller. + * + * In order to store these in the way they would be emitted by the printk + * infrastructure, the subsystem provides us with the start, fixed string, and + * any subsequent text in the format string. + * + * We take a variable argument list as pr_fmt/dev_fmt/etc are sometimes passed + * as multiple arguments (eg: `"%s: ", "blah"`), and we must only take the + * first one. + * + * subsys_fmt_prefix must be known at compile time, or compilation will fail + * (since this is a mistake). If fmt or level is not known at compile time, no + * index entry will be made (since this can legitimately happen). + */ +#define printk_index_subsys_emit(subsys_fmt_prefix, level, fmt, ...) \ + __printk_index_emit(fmt, level, subsys_fmt_prefix) + +#define printk_index_wrap(_p_func, _fmt, ...) \ + ({ \ + __printk_index_emit(_fmt, NULL, NULL); \ + _p_func(_fmt, ##__VA_ARGS__); \ + }) + + +/** + * printk - print a kernel message + * @fmt: format string + * + * This is printk(). It can be called from any context. We want it to work. + * + * If printk indexing is enabled, _printk() is called from printk_index_wrap. + * Otherwise, printk is simply #defined to _printk. + * + * We try to grab the console_lock. If we succeed, it's easy - we log the + * output and call the console drivers. If we fail to get the semaphore, we + * place the output into the log buffer and return. The current holder of + * the console_sem will notice the new output in console_unlock(); and will + * send it to the consoles before releasing the lock. + * + * One effect of this deferred printing is that code which calls printk() and + * then changes console_loglevel may break. This is because console_loglevel + * is inspected when the actual printing occurs. + * + * See also: + * printf(3) + * + * See the vsnprintf() documentation for format string extensions over C99. + */ +#define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) +#define printk_deferred(fmt, ...) \ + printk_index_wrap(_printk_deferred, fmt, ##__VA_ARGS__) + /** * pr_emerg - Print an emergency-level message * @fmt: format string @@ -436,27 +582,9 @@ extern int kptr_restrict; #ifdef CONFIG_PRINTK #define printk_once(fmt, ...) \ -({ \ - static bool __section(".data.once") __print_once; \ - bool __ret_print_once = !__print_once; \ - \ - if (!__print_once) { \ - __print_once = true; \ - printk(fmt, ##__VA_ARGS__); \ - } \ - unlikely(__ret_print_once); \ -}) + DO_ONCE_LITE(printk, fmt, ##__VA_ARGS__) #define printk_deferred_once(fmt, ...) \ -({ \ - static bool __section(".data.once") __print_once; \ - bool __ret_print_once = !__print_once; \ - \ - if (!__print_once) { \ - __print_once = true; \ - printk_deferred(fmt, ##__VA_ARGS__); \ - } \ - unlikely(__ret_print_once); \ -}) + DO_ONCE_LITE(printk_deferred, fmt, ##__VA_ARGS__) #else #define printk_once(fmt, ...) \ no_printk(fmt, ##__VA_ARGS__) diff --git a/include/linux/prmt.h b/include/linux/prmt.h new file mode 100644 index 000000000000..24da8364b919 --- /dev/null +++ b/include/linux/prmt.h @@ -0,0 +1,7 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifdef CONFIG_ACPI_PRMT +void init_prmt(void); +#else +static inline void init_prmt(void) { } +#endif diff --git a/include/linux/property.h b/include/linux/property.h index 0d876316e61d..357513a977e5 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -119,7 +119,7 @@ struct fwnode_handle *device_get_named_child_node(struct device *dev, struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode); void fwnode_handle_put(struct fwnode_handle *fwnode); -int fwnode_irq_get(struct fwnode_handle *fwnode, unsigned int index); +int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index); unsigned int device_get_child_node_count(struct device *dev); @@ -484,8 +484,6 @@ void software_node_unregister_node_group(const struct software_node **node_group int software_node_register(const struct software_node *node); void software_node_unregister(const struct software_node *node); -int software_node_notify(struct device *dev, unsigned long action); - struct fwnode_handle * fwnode_create_software_node(const struct property_entry *properties, const struct fwnode_handle *parent); diff --git a/include/linux/pstore_blk.h b/include/linux/pstore_blk.h index 99564f93d774..924ca07aafbd 100644 --- a/include/linux/pstore_blk.h +++ b/include/linux/pstore_blk.h @@ -10,36 +10,15 @@ /** * struct pstore_device_info - back-end pstore/blk driver structure. * - * @total_size: The total size in bytes pstore/blk can use. It must be greater - * than 4096 and be multiple of 4096. * @flags: Refer to macro starting with PSTORE_FLAGS defined in * linux/pstore.h. It means what front-ends this device support. * Zero means all backends for compatible. - * @read: The general read operation. Both of the function parameters - * @size and @offset are relative value to bock device (not the - * whole disk). - * On success, the number of bytes should be returned, others - * means error. - * @write: The same as @read, but the following error number: - * -EBUSY means try to write again later. - * -ENOMSG means to try next zone. - * @erase: The general erase operation for device with special removing - * job. Both of the function parameters @size and @offset are - * relative value to storage. - * Return 0 on success and others on failure. - * @panic_write:The write operation only used for panic case. It's optional - * if you do not care panic log. The parameters are relative - * value to storage. - * On success, the number of bytes should be returned, others - * excluding -ENOMSG mean error. -ENOMSG means to try next zone. + * @zone: The struct pstore_zone_info details. + * */ struct pstore_device_info { - unsigned long total_size; unsigned int flags; - pstore_zone_read_op read; - pstore_zone_write_op write; - pstore_zone_erase_op erase; - pstore_zone_write_op panic_write; + struct pstore_zone_info zone; }; int register_pstore_device(struct pstore_device_info *dev); diff --git a/include/linux/ptp_clock_kernel.h b/include/linux/ptp_clock_kernel.h index 51d7f1b8b32a..2e5565067355 100644 --- a/include/linux/ptp_clock_kernel.h +++ b/include/linux/ptp_clock_kernel.h @@ -11,7 +11,10 @@ #include <linux/device.h> #include <linux/pps_kernel.h> #include <linux/ptp_clock.h> +#include <linux/timecounter.h> +#include <linux/skbuff.h> +#define PTP_CLOCK_NAME_LEN 32 /** * struct ptp_clock_request - request PTP clock event * @@ -134,7 +137,7 @@ struct ptp_system_timestamp { struct ptp_clock_info { struct module *owner; - char name[16]; + char name[PTP_CLOCK_NAME_LEN]; s32 max_adj; int n_alarm; int n_ext_ts; @@ -186,7 +189,33 @@ struct ptp_clock_event { }; }; -#if IS_REACHABLE(CONFIG_PTP_1588_CLOCK) +/** + * scaled_ppm_to_ppb() - convert scaled ppm to ppb + * + * @ppm: Parts per million, but with a 16 bit binary fractional field + */ +static inline long scaled_ppm_to_ppb(long ppm) +{ + /* + * The 'freq' field in the 'struct timex' is in parts per + * million, but with a 16 bit binary fractional field. + * + * We want to calculate + * + * ppb = scaled_ppm * 1000 / 2^16 + * + * which simplifies to + * + * ppb = scaled_ppm * 125 / 2^13 + */ + s64 ppb = 1 + ppm; + + ppb *= 125; + ppb >>= 13; + return (long)ppb; +} + +#if IS_ENABLED(CONFIG_PTP_1588_CLOCK) /** * ptp_clock_register() - register a PTP hardware clock driver @@ -230,14 +259,6 @@ extern void ptp_clock_event(struct ptp_clock *ptp, extern int ptp_clock_index(struct ptp_clock *ptp); /** - * scaled_ppm_to_ppb() - convert scaled ppm to ppb - * - * @ppm: Parts per million, but with a 16 bit binary fractional field - */ - -extern long scaled_ppm_to_ppb(long ppm); - -/** * ptp_find_pin() - obtain the pin index of a given auxiliary function * * The caller must hold ptp_clock::pincfg_mux. Drivers do not have @@ -305,6 +326,40 @@ static inline int ptp_schedule_worker(struct ptp_clock *ptp, { return -EOPNOTSUPP; } static inline void ptp_cancel_worker_sync(struct ptp_clock *ptp) { } +#endif + +#if IS_BUILTIN(CONFIG_PTP_1588_CLOCK) +/* + * These are called by the network core, and don't work if PTP is in + * a loadable module. + */ + +/** + * ptp_get_vclocks_index() - get all vclocks index on pclock, and + * caller is responsible to free memory + * of vclock_index + * + * @pclock_index: phc index of ptp pclock. + * @vclock_index: pointer to pointer of vclock index. + * + * return number of vclocks. + */ +int ptp_get_vclocks_index(int pclock_index, int **vclock_index); + +/** + * ptp_convert_timestamp() - convert timestamp to a ptp vclock time + * + * @hwtstamps: skb_shared_hwtstamps structure pointer + * @vclock_index: phc index of ptp vclock. + */ +void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps, + int vclock_index); +#else +static inline int ptp_get_vclocks_index(int pclock_index, int **vclock_index) +{ return 0; } +static inline void ptp_convert_timestamp(struct skb_shared_hwtstamps *hwtstamps, + int vclock_index) +{ } #endif diff --git a/include/linux/pwm.h b/include/linux/pwm.h index 5bb90af4997e..725c9b784e60 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -54,12 +54,17 @@ enum { * @duty_cycle: PWM duty cycle (in nanoseconds) * @polarity: PWM polarity * @enabled: PWM enabled status + * @usage_power: If set, the PWM driver is only required to maintain the power + * output but has more freedom regarding signal form. + * If supported, the signal can be optimized, for example to + * improve EMI by phase shifting individual channels. */ struct pwm_state { u64 period; u64 duty_cycle; enum pwm_polarity polarity; bool enabled; + bool usage_power; }; /** @@ -188,6 +193,7 @@ static inline void pwm_init_state(const struct pwm_device *pwm, state->period = args.period; state->polarity = args.polarity; state->duty_cycle = 0; + state->usage_power = false; } /** @@ -398,7 +404,10 @@ int pwm_set_chip_data(struct pwm_device *pwm, void *data); void *pwm_get_chip_data(struct pwm_device *pwm); int pwmchip_add(struct pwm_chip *chip); -int pwmchip_remove(struct pwm_chip *chip); +void pwmchip_remove(struct pwm_chip *chip); + +int devm_pwmchip_add(struct device *dev, struct pwm_chip *chip); + struct pwm_device *pwm_request_from_chip(struct pwm_chip *chip, unsigned int index, const char *label); @@ -417,7 +426,6 @@ struct pwm_device *devm_of_pwm_get(struct device *dev, struct device_node *np, struct pwm_device *devm_fwnode_pwm_get(struct device *dev, struct fwnode_handle *fwnode, const char *con_id); -void devm_pwm_put(struct device *dev, struct pwm_device *pwm); #else static inline struct pwm_device *pwm_request(int pwm_id, const char *label) { @@ -524,10 +532,6 @@ devm_fwnode_pwm_get(struct device *dev, struct fwnode_handle *fwnode, { return ERR_PTR(-ENODEV); } - -static inline void devm_pwm_put(struct device *dev, struct pwm_device *pwm) -{ -} #endif static inline void pwm_apply_args(struct pwm_device *pwm) @@ -558,6 +562,7 @@ static inline void pwm_apply_args(struct pwm_device *pwm) state.enabled = false; state.polarity = pwm->args.polarity; state.period = pwm->args.period; + state.usage_power = false; pwm_apply_state(pwm, &state); } diff --git a/include/linux/pxa2xx_ssp.h b/include/linux/pxa2xx_ssp.h index 7f73b26ed22e..a3fec2de512f 100644 --- a/include/linux/pxa2xx_ssp.h +++ b/include/linux/pxa2xx_ssp.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0-only */ /* - * Copyright (C) 2003 Russell King, All Rights Reserved. + * Copyright (C) 2003 Russell King, All Rights Reserved. * * This driver supports the following PXA CPU/SSP ports:- * @@ -11,8 +11,8 @@ * PXA3xx SSP1, SSP2, SSP3, SSP4 */ -#ifndef __LINUX_SSP_H -#define __LINUX_SSP_H +#ifndef __LINUX_PXA2XX_SSP_H +#define __LINUX_PXA2XX_SSP_H #include <linux/bits.h> #include <linux/compiler_types.h> @@ -38,7 +38,6 @@ struct device_node; #define SSDR (0x10) /* SSP Data Write/Data Read Register */ #define SSTO (0x28) /* SSP Time Out Register */ -#define DDS_RATE (0x28) /* SSP DDS Clock Rate Register (Intel Quark) */ #define SSPSP (0x2C) /* SSP Programmable Serial Protocol */ #define SSTSA (0x30) /* SSP Tx Timeslot Active */ #define SSRSA (0x34) /* SSP Rx Timeslot Active */ @@ -60,7 +59,7 @@ struct device_node; /* PXA27x, PXA3xx */ #define SSCR0_EDSS BIT(20) /* Extended data size select */ #define SSCR0_NCS BIT(21) /* Network clock select */ -#define SSCR0_RIM BIT(22) /* Receive FIFO overrrun interrupt mask */ +#define SSCR0_RIM BIT(22) /* Receive FIFO overrun interrupt mask */ #define SSCR0_TUM BIT(23) /* Transmit FIFO underrun interrupt mask */ #define SSCR0_FRDC GENMASK(26, 24) /* Frame rate divider control (mask) */ #define SSCR0_SlotsPerFrm(x) (((x) - 1) << 24) /* Time slots per frame [1..8] */ @@ -105,6 +104,9 @@ struct device_node; #define CE4100_SSCR1_RFT GENMASK(11, 10) /* Receive FIFO Threshold (mask) */ #define CE4100_SSCR1_RxTresh(x) (((x) - 1) << 10) /* level [1..4] */ +/* Intel Quark X1000 */ +#define DDS_RATE 0x28 /* SSP DDS Clock Rate Register */ + /* QUARK_X1000 SSCR0 bit definition */ #define QUARK_X1000_SSCR0_DSS GENMASK(4, 0) /* Data Size Select (mask) */ #define QUARK_X1000_SSCR0_DataSize(x) ((x) - 1) /* Data Size Select [4..32] */ @@ -124,7 +126,7 @@ struct device_node; #define QUARK_X1000_SSCR1_EFWR BIT(16) /* Enable FIFO Write/Read */ #define QUARK_X1000_SSCR1_STRF BIT(17) /* Select FIFO or EFWR */ -/* extra bits in PXA255, PXA26x and PXA27x SSP ports */ +/* Extra bits in PXA255, PXA26x and PXA27x SSP ports */ #define SSCR0_TISSP (1 << 4) /* TI Sync Serial Protocol */ #define SSCR0_PSP (3 << 4) /* PSP - Programmable Serial Protocol */ @@ -181,6 +183,21 @@ struct device_node; #define SSACD_ACPS(x) ((x) << 4) /* Audio clock PLL select */ #define SSACD_SCDX8 BIT(7) /* SYSCLK division ratio select */ +/* Intel Merrifield SSP */ +#define SFIFOL 0x68 /* FIFO level */ +#define SFIFOTT 0x6c /* FIFO trigger threshold */ + +#define RX_THRESH_MRFLD_DFLT 16 +#define TX_THRESH_MRFLD_DFLT 16 + +#define SFIFOL_TFL_MASK GENMASK(15, 0) /* Transmit FIFO Level mask */ +#define SFIFOL_RFL_MASK GENMASK(31, 16) /* Receive FIFO Level mask */ + +#define SFIFOTT_TFT GENMASK(15, 0) /* Transmit FIFO Threshold (mask) */ +#define SFIFOTT_TxThresh(x) (((x) - 1) << 0) /* TX FIFO trigger threshold / level */ +#define SFIFOTT_RFT GENMASK(31, 16) /* Receive FIFO Threshold (mask) */ +#define SFIFOTT_RxThresh(x) (((x) - 1) << 16) /* RX FIFO trigger threshold / level */ + /* LPSS SSP */ #define SSITF 0x44 /* TX FIFO trigger level */ #define SSITF_TxHiThresh(x) (((x) - 1) << 0) @@ -203,8 +220,10 @@ enum pxa_ssp_type { MMP2_SSP, PXA910_SSP, CE4100_SSP, + MRFLD_SSP, QUARK_X1000_SSP, - LPSS_LPT_SSP, /* Keep LPSS types sorted with lpss_platforms[] */ + /* Keep LPSS types sorted with lpss_platforms[] */ + LPSS_LPT_SSP, LPSS_BYT_SSP, LPSS_BSW_SSP, LPSS_SPT_SSP, @@ -252,6 +271,22 @@ static inline u32 pxa_ssp_read_reg(struct ssp_device *dev, u32 reg) return __raw_readl(dev->mmio_base + reg); } +static inline void pxa_ssp_enable(struct ssp_device *ssp) +{ + u32 sscr0; + + sscr0 = pxa_ssp_read_reg(ssp, SSCR0) | SSCR0_SSE; + pxa_ssp_write_reg(ssp, SSCR0, sscr0); +} + +static inline void pxa_ssp_disable(struct ssp_device *ssp) +{ + u32 sscr0; + + sscr0 = pxa_ssp_read_reg(ssp, SSCR0) & ~SSCR0_SSE; + pxa_ssp_write_reg(ssp, SSCR0, sscr0); +} + #if IS_ENABLED(CONFIG_PXA_SSP) struct ssp_device *pxa_ssp_request(int port, const char *label); void pxa_ssp_free(struct ssp_device *); @@ -270,4 +305,4 @@ static inline struct ssp_device *pxa_ssp_request_of(const struct device_node *n, static inline void pxa_ssp_free(struct ssp_device *ssp) {} #endif -#endif +#endif /* __LINUX_PXA2XX_SSP_H */ diff --git a/include/linux/qcom-geni-se.h b/include/linux/qcom-geni-se.h index 7c811eebcaab..f5672785c0c4 100644 --- a/include/linux/qcom-geni-se.h +++ b/include/linux/qcom-geni-se.h @@ -8,11 +8,24 @@ #include <linux/interconnect.h> -/* Transfer mode supported by GENI Serial Engines */ +/** + * enum geni_se_xfer_mode: Transfer modes supported by Serial Engines + * + * @GENI_SE_INVALID: Invalid mode + * @GENI_SE_FIFO: FIFO mode. Data is transferred with SE FIFO + * by programmed IO method + * @GENI_SE_DMA: Serial Engine DMA mode. Data is transferred + * with SE by DMAengine internal to SE + * @GENI_GPI_DMA: GPI DMA mode. Data is transferred using a DMAengine + * configured by a firmware residing on a GSI engine. This DMA name is + * interchangeably used as GSI or GPI which seem to imply the same DMAengine + */ + enum geni_se_xfer_mode { GENI_SE_INVALID, GENI_SE_FIFO, GENI_SE_DMA, + GENI_GPI_DMA, }; /* Protocols supported by GENI Serial Engines */ @@ -63,6 +76,7 @@ struct geni_se { #define SE_GENI_STATUS 0x40 #define GENI_SER_M_CLK_CFG 0x48 #define GENI_SER_S_CLK_CFG 0x4c +#define GENI_IF_DISABLE_RO 0x64 #define GENI_FW_REVISION_RO 0x68 #define SE_GENI_CLK_SEL 0x7c #define SE_GENI_DMA_MODE_EN 0x258 @@ -105,6 +119,9 @@ struct geni_se { #define CLK_DIV_MSK GENMASK(15, 4) #define CLK_DIV_SHFT 4 +/* GENI_IF_DISABLE_RO fields */ +#define FIFO_IF_DISABLE (BIT(0)) + /* GENI_FW_REVISION_RO fields */ #define FW_REV_PROTOCOL_MSK GENMASK(15, 8) #define FW_REV_PROTOCOL_SHFT 8 diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index 0165824c5128..81cad9e1e412 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -61,7 +61,6 @@ enum qcom_scm_ice_cipher { #define QCOM_SCM_PERM_RW (QCOM_SCM_PERM_READ | QCOM_SCM_PERM_WRITE) #define QCOM_SCM_PERM_RWX (QCOM_SCM_PERM_RW | QCOM_SCM_PERM_EXEC) -#if IS_ENABLED(CONFIG_QCOM_SCM) extern bool qcom_scm_is_available(void); extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus); @@ -109,66 +108,10 @@ extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, u32 *resp); extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en); -#else - -#include <linux/errno.h> - -static inline bool qcom_scm_is_available(void) { return false; } - -static inline int qcom_scm_set_cold_boot_addr(void *entry, - const cpumask_t *cpus) { return -ENODEV; } -static inline int qcom_scm_set_warm_boot_addr(void *entry, - const cpumask_t *cpus) { return -ENODEV; } -static inline void qcom_scm_cpu_power_down(u32 flags) {} -static inline u32 qcom_scm_set_remote_state(u32 state,u32 id) - { return -ENODEV; } - -static inline int qcom_scm_pas_init_image(u32 peripheral, const void *metadata, - size_t size) { return -ENODEV; } -static inline int qcom_scm_pas_mem_setup(u32 peripheral, phys_addr_t addr, - phys_addr_t size) { return -ENODEV; } -static inline int qcom_scm_pas_auth_and_reset(u32 peripheral) - { return -ENODEV; } -static inline int qcom_scm_pas_shutdown(u32 peripheral) { return -ENODEV; } -static inline bool qcom_scm_pas_supported(u32 peripheral) { return false; } - -static inline int qcom_scm_io_readl(phys_addr_t addr, unsigned int *val) - { return -ENODEV; } -static inline int qcom_scm_io_writel(phys_addr_t addr, unsigned int val) - { return -ENODEV; } - -static inline bool qcom_scm_restore_sec_cfg_available(void) { return false; } -static inline int qcom_scm_restore_sec_cfg(u32 device_id, u32 spare) - { return -ENODEV; } -static inline int qcom_scm_iommu_secure_ptbl_size(u32 spare, size_t *size) - { return -ENODEV; } -static inline int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) - { return -ENODEV; } -extern inline int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, - u32 cp_nonpixel_start, - u32 cp_nonpixel_size) - { return -ENODEV; } -static inline int qcom_scm_assign_mem(phys_addr_t mem_addr, size_t mem_sz, - unsigned int *src, const struct qcom_scm_vmperm *newvm, - unsigned int dest_cnt) { return -ENODEV; } - -static inline bool qcom_scm_ocmem_lock_available(void) { return false; } -static inline int qcom_scm_ocmem_lock(enum qcom_scm_ocmem_client id, u32 offset, - u32 size, u32 mode) { return -ENODEV; } -static inline int qcom_scm_ocmem_unlock(enum qcom_scm_ocmem_client id, - u32 offset, u32 size) { return -ENODEV; } - -static inline bool qcom_scm_ice_available(void) { return false; } -static inline int qcom_scm_ice_invalidate_key(u32 index) { return -ENODEV; } -static inline int qcom_scm_ice_set_key(u32 index, const u8 *key, u32 key_size, - enum qcom_scm_ice_cipher cipher, - u32 data_unit_size) { return -ENODEV; } - -static inline bool qcom_scm_hdcp_available(void) { return false; } -static inline int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt, - u32 *resp) { return -ENODEV; } - -static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en) - { return -ENODEV; } -#endif + +extern int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val, + u64 limit_node, u32 node_id, u64 version); +extern int qcom_scm_lmh_profile_change(u32 profile_id); +extern bool qcom_scm_lmh_dcvsh_available(void); + #endif diff --git a/include/linux/qed/common_hsi.h b/include/linux/qed/common_hsi.h index 977807e1be53..0a3807e927c5 100644 --- a/include/linux/qed/common_hsi.h +++ b/include/linux/qed/common_hsi.h @@ -702,7 +702,7 @@ enum mf_mode { /* Per-protocol connection types */ enum protocol_type { - PROTOCOLID_ISCSI, + PROTOCOLID_TCP_ULP, PROTOCOLID_FCOE, PROTOCOLID_ROCE, PROTOCOLID_CORE, diff --git a/include/linux/qed/nvmetcp_common.h b/include/linux/qed/nvmetcp_common.h new file mode 100644 index 000000000000..5a2ab0606308 --- /dev/null +++ b/include/linux/qed/nvmetcp_common.h @@ -0,0 +1,531 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* Copyright 2021 Marvell. All rights reserved. */ + +#ifndef __NVMETCP_COMMON__ +#define __NVMETCP_COMMON__ + +#include "tcp_common.h" +#include <linux/nvme-tcp.h> + +#define NVMETCP_SLOW_PATH_LAYER_CODE (6) +#define NVMETCP_WQE_NUM_SGES_SLOWIO (0xf) + +/* NVMeTCP firmware function init parameters */ +struct nvmetcp_spe_func_init { + __le16 half_way_close_timeout; + u8 num_sq_pages_in_ring; + u8 num_r2tq_pages_in_ring; + u8 num_uhq_pages_in_ring; + u8 ll2_rx_queue_id; + u8 flags; +#define NVMETCP_SPE_FUNC_INIT_COUNTERS_EN_MASK 0x1 +#define NVMETCP_SPE_FUNC_INIT_COUNTERS_EN_SHIFT 0 +#define NVMETCP_SPE_FUNC_INIT_NVMETCP_MODE_MASK 0x1 +#define NVMETCP_SPE_FUNC_INIT_NVMETCP_MODE_SHIFT 1 +#define NVMETCP_SPE_FUNC_INIT_RESERVED0_MASK 0x3F +#define NVMETCP_SPE_FUNC_INIT_RESERVED0_SHIFT 2 + u8 debug_flags; + __le16 reserved1; + u8 params; +#define NVMETCP_SPE_FUNC_INIT_MAX_SYN_RT_MASK 0xF +#define NVMETCP_SPE_FUNC_INIT_MAX_SYN_RT_SHIFT 0 +#define NVMETCP_SPE_FUNC_INIT_RESERVED1_MASK 0xF +#define NVMETCP_SPE_FUNC_INIT_RESERVED1_SHIFT 4 + u8 reserved2[5]; + struct scsi_init_func_params func_params; + struct scsi_init_func_queues q_params; +}; + +/* NVMeTCP init params passed by driver to FW in NVMeTCP init ramrod. */ +struct nvmetcp_init_ramrod_params { + struct nvmetcp_spe_func_init nvmetcp_init_spe; + struct tcp_init_params tcp_init; +}; + +/* NVMeTCP Ramrod Command IDs */ +enum nvmetcp_ramrod_cmd_id { + NVMETCP_RAMROD_CMD_ID_UNUSED = 0, + NVMETCP_RAMROD_CMD_ID_INIT_FUNC = 1, + NVMETCP_RAMROD_CMD_ID_DESTROY_FUNC = 2, + NVMETCP_RAMROD_CMD_ID_OFFLOAD_CONN = 3, + NVMETCP_RAMROD_CMD_ID_UPDATE_CONN = 4, + NVMETCP_RAMROD_CMD_ID_TERMINATION_CONN = 5, + NVMETCP_RAMROD_CMD_ID_CLEAR_SQ = 6, + MAX_NVMETCP_RAMROD_CMD_ID +}; + +struct nvmetcp_glbl_queue_entry { + struct regpair cq_pbl_addr; + struct regpair reserved; +}; + +/* NVMeTCP conn level EQEs */ +enum nvmetcp_eqe_opcode { + NVMETCP_EVENT_TYPE_INIT_FUNC = 0, /* Response after init Ramrod */ + NVMETCP_EVENT_TYPE_DESTROY_FUNC, /* Response after destroy Ramrod */ + NVMETCP_EVENT_TYPE_OFFLOAD_CONN,/* Response after option 2 offload Ramrod */ + NVMETCP_EVENT_TYPE_UPDATE_CONN, /* Response after update Ramrod */ + NVMETCP_EVENT_TYPE_CLEAR_SQ, /* Response after clear sq Ramrod */ + NVMETCP_EVENT_TYPE_TERMINATE_CONN, /* Response after termination Ramrod */ + NVMETCP_EVENT_TYPE_RESERVED0, + NVMETCP_EVENT_TYPE_RESERVED1, + NVMETCP_EVENT_TYPE_ASYN_CONNECT_COMPLETE, /* Connect completed (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_TERMINATE_DONE, /* Termination completed (A-syn EQE) */ + NVMETCP_EVENT_TYPE_START_OF_ERROR_TYPES = 10, /* Separate EQs from err EQs */ + NVMETCP_EVENT_TYPE_ASYN_ABORT_RCVD, /* TCP RST packet receive (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_CLOSE_RCVD, /* TCP FIN packet receive (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_SYN_RCVD, /* TCP SYN+ACK packet receive (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_MAX_RT_TIME, /* TCP max retransmit time (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_MAX_RT_CNT, /* TCP max retransmit count (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_MAX_KA_PROBES_CNT, /* TCP ka probes count (A-syn EQE) */ + NVMETCP_EVENT_TYPE_ASYN_FIN_WAIT2, /* TCP fin wait 2 (A-syn EQE) */ + NVMETCP_EVENT_TYPE_NVMETCP_CONN_ERROR, /* NVMeTCP error response (A-syn EQE) */ + NVMETCP_EVENT_TYPE_TCP_CONN_ERROR, /* NVMeTCP error - tcp error (A-syn EQE) */ + MAX_NVMETCP_EQE_OPCODE +}; + +struct nvmetcp_conn_offload_section { + struct regpair cccid_itid_table_addr; /* CCCID to iTID table address */ + __le16 cccid_max_range; /* CCCID max value - used for validation */ + __le16 reserved[3]; +}; + +/* NVMe TCP connection offload params passed by driver to FW in NVMeTCP offload ramrod */ +struct nvmetcp_conn_offload_params { + struct regpair sq_pbl_addr; + struct regpair r2tq_pbl_addr; + struct regpair xhq_pbl_addr; + struct regpair uhq_pbl_addr; + __le16 physical_q0; + __le16 physical_q1; + u8 flags; +#define NVMETCP_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_MASK 0x1 +#define NVMETCP_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B_SHIFT 0 +#define NVMETCP_CONN_OFFLOAD_PARAMS_TARGET_MODE_MASK 0x1 +#define NVMETCP_CONN_OFFLOAD_PARAMS_TARGET_MODE_SHIFT 1 +#define NVMETCP_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_MASK 0x1 +#define NVMETCP_CONN_OFFLOAD_PARAMS_RESTRICTED_MODE_SHIFT 2 +#define NVMETCP_CONN_OFFLOAD_PARAMS_NVMETCP_MODE_MASK 0x1 +#define NVMETCP_CONN_OFFLOAD_PARAMS_NVMETCP_MODE_SHIFT 3 +#define NVMETCP_CONN_OFFLOAD_PARAMS_RESERVED1_MASK 0xF +#define NVMETCP_CONN_OFFLOAD_PARAMS_RESERVED1_SHIFT 4 + u8 default_cq; + __le16 reserved0; + __le32 reserved1; + __le32 initial_ack; + + struct nvmetcp_conn_offload_section nvmetcp; /* NVMe/TCP section */ +}; + +/* NVMe TCP and TCP connection offload params passed by driver to FW in NVMeTCP offload ramrod. */ +struct nvmetcp_spe_conn_offload { + __le16 reserved; + __le16 conn_id; + __le32 fw_cid; + struct nvmetcp_conn_offload_params nvmetcp; + struct tcp_offload_params_opt2 tcp; +}; + +/* NVMeTCP connection update params passed by driver to FW in NVMETCP update ramrod. */ +struct nvmetcp_conn_update_ramrod_params { + __le16 reserved0; + __le16 conn_id; + __le32 reserved1; + u8 flags; +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_HD_EN_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_HD_EN_SHIFT 0 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_DD_EN_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_DD_EN_SHIFT 1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED0_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED0_SHIFT 2 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED1_DATA_SHIFT 3 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED2_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED2_SHIFT 4 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED3_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED3_SHIFT 5 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED4_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED4_SHIFT 6 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED5_MASK 0x1 +#define NVMETCP_CONN_UPDATE_RAMROD_PARAMS_RESERVED5_SHIFT 7 + u8 reserved3[3]; + __le32 max_seq_size; + __le32 max_send_pdu_length; + __le32 max_recv_pdu_length; + __le32 first_seq_length; + __le32 reserved4[5]; +}; + +/* NVMeTCP connection termination request */ +struct nvmetcp_spe_conn_termination { + __le16 reserved0; + __le16 conn_id; + __le32 reserved1; + u8 abortive; + u8 reserved2[7]; + struct regpair reserved3; + struct regpair reserved4; +}; + +struct nvmetcp_dif_flags { + u8 flags; +}; + +enum nvmetcp_wqe_type { + NVMETCP_WQE_TYPE_NORMAL, + NVMETCP_WQE_TYPE_TASK_CLEANUP, + NVMETCP_WQE_TYPE_MIDDLE_PATH, + NVMETCP_WQE_TYPE_IC, + MAX_NVMETCP_WQE_TYPE +}; + +struct nvmetcp_wqe { + __le16 task_id; + u8 flags; +#define NVMETCP_WQE_WQE_TYPE_MASK 0x7 /* [use nvmetcp_wqe_type] */ +#define NVMETCP_WQE_WQE_TYPE_SHIFT 0 +#define NVMETCP_WQE_NUM_SGES_MASK 0xF +#define NVMETCP_WQE_NUM_SGES_SHIFT 3 +#define NVMETCP_WQE_RESPONSE_MASK 0x1 +#define NVMETCP_WQE_RESPONSE_SHIFT 7 + struct nvmetcp_dif_flags prot_flags; + __le32 contlen_cdbsize; +#define NVMETCP_WQE_CONT_LEN_MASK 0xFFFFFF +#define NVMETCP_WQE_CONT_LEN_SHIFT 0 +#define NVMETCP_WQE_CDB_SIZE_OR_NVMETCP_CMD_MASK 0xFF +#define NVMETCP_WQE_CDB_SIZE_OR_NVMETCP_CMD_SHIFT 24 +}; + +struct nvmetcp_host_cccid_itid_entry { + __le16 itid; +}; + +struct nvmetcp_connect_done_results { + __le16 icid; + __le16 conn_id; + struct tcp_ulp_connect_done_params params; +}; + +struct nvmetcp_eqe_data { + __le16 icid; + __le16 conn_id; + __le16 reserved; + u8 error_code; + u8 error_pdu_opcode_reserved; +#define NVMETCP_EQE_DATA_ERROR_PDU_OPCODE_MASK 0x3F +#define NVMETCP_EQE_DATA_ERROR_PDU_OPCODE_SHIFT 0 +#define NVMETCP_EQE_DATA_ERROR_PDU_OPCODE_VALID_MASK 0x1 +#define NVMETCP_EQE_DATA_ERROR_PDU_OPCODE_VALID_SHIFT 6 +#define NVMETCP_EQE_DATA_RESERVED0_MASK 0x1 +#define NVMETCP_EQE_DATA_RESERVED0_SHIFT 7 +}; + +enum nvmetcp_task_type { + NVMETCP_TASK_TYPE_HOST_WRITE, + NVMETCP_TASK_TYPE_HOST_READ, + NVMETCP_TASK_TYPE_INIT_CONN_REQUEST, + NVMETCP_TASK_TYPE_RESERVED0, + NVMETCP_TASK_TYPE_CLEANUP, + NVMETCP_TASK_TYPE_HOST_READ_NO_CQE, + MAX_NVMETCP_TASK_TYPE +}; + +struct nvmetcp_db_data { + u8 params; +#define NVMETCP_DB_DATA_DEST_MASK 0x3 /* destination of doorbell (use enum db_dest) */ +#define NVMETCP_DB_DATA_DEST_SHIFT 0 +#define NVMETCP_DB_DATA_AGG_CMD_MASK 0x3 /* aggregative command to CM (use enum db_agg_cmd_sel) */ +#define NVMETCP_DB_DATA_AGG_CMD_SHIFT 2 +#define NVMETCP_DB_DATA_BYPASS_EN_MASK 0x1 /* enable QM bypass */ +#define NVMETCP_DB_DATA_BYPASS_EN_SHIFT 4 +#define NVMETCP_DB_DATA_RESERVED_MASK 0x1 +#define NVMETCP_DB_DATA_RESERVED_SHIFT 5 +#define NVMETCP_DB_DATA_AGG_VAL_SEL_MASK 0x3 /* aggregative value selection */ +#define NVMETCP_DB_DATA_AGG_VAL_SEL_SHIFT 6 + u8 agg_flags; /* bit for every DQ counter flags in CM context that DQ can increment */ + __le16 sq_prod; +}; + +struct nvmetcp_fw_nvmf_cqe { + __le32 reserved[4]; +}; + +struct nvmetcp_icresp_mdata { + u8 digest; + u8 cpda; + __le16 pfv; + __le32 maxdata; + __le16 rsvd[4]; +}; + +union nvmetcp_fw_cqe_data { + struct nvmetcp_fw_nvmf_cqe nvme_cqe; + struct nvmetcp_icresp_mdata icresp_mdata; +}; + +struct nvmetcp_fw_cqe { + __le16 conn_id; + u8 cqe_type; + u8 cqe_error_status_bits; +#define CQE_ERROR_BITMAP_DIF_ERR_BITS_MASK 0x7 +#define CQE_ERROR_BITMAP_DIF_ERR_BITS_SHIFT 0 +#define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_MASK 0x1 +#define CQE_ERROR_BITMAP_DATA_DIGEST_ERR_SHIFT 3 +#define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_MASK 0x1 +#define CQE_ERROR_BITMAP_RCV_ON_INVALID_CONN_SHIFT 4 + __le16 itid; + u8 task_type; + u8 fw_dbg_field; + u8 caused_conn_err; + u8 reserved0[3]; + __le32 reserved1; + union nvmetcp_fw_cqe_data cqe_data; + struct regpair task_opaque; + __le32 reserved[6]; +}; + +enum nvmetcp_fw_cqes_type { + NVMETCP_FW_CQE_TYPE_NORMAL = 1, + NVMETCP_FW_CQE_TYPE_RESERVED0, + NVMETCP_FW_CQE_TYPE_RESERVED1, + NVMETCP_FW_CQE_TYPE_CLEANUP, + NVMETCP_FW_CQE_TYPE_DUMMY, + MAX_NVMETCP_FW_CQES_TYPE +}; + +struct ystorm_nvmetcp_task_state { + struct scsi_cached_sges data_desc; + struct scsi_sgl_params sgl_params; + __le32 resrved0; + __le32 buffer_offset; + __le16 cccid; + struct nvmetcp_dif_flags dif_flags; + u8 flags; +#define YSTORM_NVMETCP_TASK_STATE_LOCAL_COMP_MASK 0x1 +#define YSTORM_NVMETCP_TASK_STATE_LOCAL_COMP_SHIFT 0 +#define YSTORM_NVMETCP_TASK_STATE_SLOW_IO_MASK 0x1 +#define YSTORM_NVMETCP_TASK_STATE_SLOW_IO_SHIFT 1 +#define YSTORM_NVMETCP_TASK_STATE_SET_DIF_OFFSET_MASK 0x1 +#define YSTORM_NVMETCP_TASK_STATE_SET_DIF_OFFSET_SHIFT 2 +#define YSTORM_NVMETCP_TASK_STATE_SEND_W_RSP_MASK 0x1 +#define YSTORM_NVMETCP_TASK_STATE_SEND_W_RSP_SHIFT 3 +}; + +struct ystorm_nvmetcp_task_rxmit_opt { + __le32 reserved[4]; +}; + +struct nvmetcp_task_hdr { + __le32 reg[18]; +}; + +struct nvmetcp_task_hdr_aligned { + struct nvmetcp_task_hdr task_hdr; + __le32 reserved[2]; /* HSI_COMMENT: Align to QREG */ +}; + +struct e5_tdif_task_context { + __le32 reserved[16]; +}; + +struct e5_rdif_task_context { + __le32 reserved[12]; +}; + +struct ystorm_nvmetcp_task_st_ctx { + struct ystorm_nvmetcp_task_state state; + struct ystorm_nvmetcp_task_rxmit_opt rxmit_opt; + struct nvmetcp_task_hdr_aligned pdu_hdr; +}; + +struct mstorm_nvmetcp_task_st_ctx { + struct scsi_cached_sges data_desc; + struct scsi_sgl_params sgl_params; + __le32 rem_task_size; + __le32 data_buffer_offset; + u8 task_type; + struct nvmetcp_dif_flags dif_flags; + __le16 dif_task_icid; + struct regpair reserved0; + __le32 expected_itt; + __le32 reserved1; +}; + +struct ustorm_nvmetcp_task_st_ctx { + __le32 rem_rcv_len; + __le32 exp_data_transfer_len; + __le32 exp_data_sn; + struct regpair reserved0; + __le32 reg1_map; +#define REG1_NUM_SGES_MASK 0xF +#define REG1_NUM_SGES_SHIFT 0 +#define REG1_RESERVED1_MASK 0xFFFFFFF +#define REG1_RESERVED1_SHIFT 4 + u8 flags2; +#define USTORM_NVMETCP_TASK_ST_CTX_AHS_EXIST_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_AHS_EXIST_SHIFT 0 +#define USTORM_NVMETCP_TASK_ST_CTX_RESERVED1_MASK 0x7F +#define USTORM_NVMETCP_TASK_ST_CTX_RESERVED1_SHIFT 1 + struct nvmetcp_dif_flags dif_flags; + __le16 reserved3; + __le16 tqe_opaque[2]; + __le32 reserved5; + __le32 nvme_tcp_opaque_lo; + __le32 nvme_tcp_opaque_hi; + u8 task_type; + u8 error_flags; +#define USTORM_NVMETCP_TASK_ST_CTX_DATA_DIGEST_ERROR_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_DATA_DIGEST_ERROR_SHIFT 0 +#define USTORM_NVMETCP_TASK_ST_CTX_DATA_TRUNCATED_ERROR_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_DATA_TRUNCATED_ERROR_SHIFT 1 +#define USTORM_NVMETCP_TASK_ST_CTX_UNDER_RUN_ERROR_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_UNDER_RUN_ERROR_SHIFT 2 +#define USTORM_NVMETCP_TASK_ST_CTX_NVME_TCP_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_NVME_TCP_SHIFT 3 + u8 flags; +#define USTORM_NVMETCP_TASK_ST_CTX_CQE_WRITE_MASK 0x3 +#define USTORM_NVMETCP_TASK_ST_CTX_CQE_WRITE_SHIFT 0 +#define USTORM_NVMETCP_TASK_ST_CTX_LOCAL_COMP_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_LOCAL_COMP_SHIFT 2 +#define USTORM_NVMETCP_TASK_ST_CTX_Q0_R2TQE_WRITE_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_Q0_R2TQE_WRITE_SHIFT 3 +#define USTORM_NVMETCP_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_TOTAL_DATA_ACKED_DONE_SHIFT 4 +#define USTORM_NVMETCP_TASK_ST_CTX_HQ_SCANNED_DONE_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_HQ_SCANNED_DONE_SHIFT 5 +#define USTORM_NVMETCP_TASK_ST_CTX_R2T2RECV_DONE_MASK 0x1 +#define USTORM_NVMETCP_TASK_ST_CTX_R2T2RECV_DONE_SHIFT 6 + u8 cq_rss_number; +}; + +struct e5_ystorm_nvmetcp_task_ag_ctx { + u8 reserved /* cdu_validation */; + u8 byte1 /* state_and_core_id */; + __le16 word0 /* icid */; + u8 flags0; + u8 flags1; + u8 flags2; + u8 flags3; + __le32 TTT; + u8 byte2; + u8 byte3; + u8 byte4; + u8 e4_reserved7; +}; + +struct e5_mstorm_nvmetcp_task_ag_ctx { + u8 cdu_validation; + u8 byte1; + __le16 task_cid; + u8 flags0; +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_VALID_MASK 0x1 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_VALID_SHIFT 6 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_TASK_CLEANUP_FLAG_MASK 0x1 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_TASK_CLEANUP_FLAG_SHIFT 7 + u8 flags1; +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_TASK_CLEANUP_CF_MASK 0x3 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_TASK_CLEANUP_CF_SHIFT 0 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CF1_MASK 0x3 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CF1_SHIFT 2 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CF2_MASK 0x3 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CF2_SHIFT 4 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_TASK_CLEANUP_CF_EN_MASK 0x1 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_TASK_CLEANUP_CF_EN_SHIFT 6 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CF1EN_MASK 0x1 +#define E5_MSTORM_NVMETCP_TASK_AG_CTX_CF1EN_SHIFT 7 + u8 flags2; + u8 flags3; + __le32 reg0; + u8 byte2; + u8 byte3; + u8 byte4; + u8 e4_reserved7; +}; + +struct e5_ustorm_nvmetcp_task_ag_ctx { + u8 reserved; + u8 state_and_core_id; + __le16 icid; + u8 flags0; +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CONNECTION_TYPE_MASK 0xF +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CONNECTION_TYPE_SHIFT 0 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_EXIST_IN_QM0_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_EXIST_IN_QM0_SHIFT 4 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CONN_CLEAR_SQ_FLAG_SHIFT 5 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_HQ_SCANNED_CF_MASK 0x3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_HQ_SCANNED_CF_SHIFT 6 + u8 flags1; +#define E5_USTORM_NVMETCP_TASK_AG_CTX_RESERVED1_MASK 0x3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_RESERVED1_SHIFT 0 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_R2T2RECV_MASK 0x3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_R2T2RECV_SHIFT 2 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CF3_MASK 0x3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CF3_SHIFT 4 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DIF_ERROR_CF_MASK 0x3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DIF_ERROR_CF_SHIFT 6 + u8 flags2; +#define E5_USTORM_NVMETCP_TASK_AG_CTX_HQ_SCANNED_CF_EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_HQ_SCANNED_CF_EN_SHIFT 0 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DISABLE_DATA_ACKED_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DISABLE_DATA_ACKED_SHIFT 1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_R2T2RECV_EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_R2T2RECV_EN_SHIFT 2 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CF3EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CF3EN_SHIFT 3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DIF_ERROR_CF_EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DIF_ERROR_CF_EN_SHIFT 4 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CMP_DATA_TOTAL_EXP_EN_SHIFT 5 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_RULE1EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_RULE1EN_SHIFT 6 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_CMP_CONT_RCV_EXP_EN_SHIFT 7 + u8 flags3; + u8 flags4; +#define E5_USTORM_NVMETCP_TASK_AG_CTX_E4_RESERVED5_MASK 0x3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_E4_RESERVED5_SHIFT 0 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_E4_RESERVED6_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_E4_RESERVED6_SHIFT 2 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_E4_RESERVED7_MASK 0x1 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_E4_RESERVED7_SHIFT 3 +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DIF_ERROR_TYPE_MASK 0xF +#define E5_USTORM_NVMETCP_TASK_AG_CTX_DIF_ERROR_TYPE_SHIFT 4 + u8 byte2; + u8 byte3; + u8 e4_reserved8; + __le32 dif_err_intervals; + __le32 dif_error_1st_interval; + __le32 rcv_cont_len; + __le32 exp_cont_len; + __le32 total_data_acked; + __le32 exp_data_acked; + __le16 word1; + __le16 next_tid; + __le32 hdr_residual_count; + __le32 exp_r2t_sn; +}; + +struct e5_nvmetcp_task_context { + struct ystorm_nvmetcp_task_st_ctx ystorm_st_context; + struct e5_ystorm_nvmetcp_task_ag_ctx ystorm_ag_context; + struct regpair ystorm_ag_padding[2]; + struct e5_tdif_task_context tdif_context; + struct e5_mstorm_nvmetcp_task_ag_ctx mstorm_ag_context; + struct regpair mstorm_ag_padding[2]; + struct e5_ustorm_nvmetcp_task_ag_ctx ustorm_ag_context; + struct regpair ustorm_ag_padding[2]; + struct mstorm_nvmetcp_task_st_ctx mstorm_st_context; + struct regpair mstorm_st_padding[2]; + struct ustorm_nvmetcp_task_st_ctx ustorm_st_context; + struct regpair ustorm_st_padding[2]; + struct e5_rdif_task_context rdif_context; +}; + +#endif /* __NVMETCP_COMMON__*/ diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h index 68d17a4fbf20..850b98991670 100644 --- a/include/linux/qed/qed_if.h +++ b/include/linux/qed/qed_if.h @@ -542,6 +542,22 @@ struct qed_iscsi_pf_params { u8 bdq_pbl_num_entries[3]; }; +struct qed_nvmetcp_pf_params { + u64 glbl_q_params_addr; + u16 cq_num_entries; + u16 num_cons; + u16 num_tasks; + u8 num_sq_pages_in_ring; + u8 num_r2tq_pages_in_ring; + u8 num_uhq_pages_in_ring; + u8 num_queues; + u8 gl_rq_pi; + u8 gl_cmd_pi; + u8 debug_mode; + u8 ll2_ooo_queue_id; + u16 min_rto; +}; + struct qed_rdma_pf_params { /* Supplied to QED during resource allocation (may affect the ILT and * the doorbell BAR). @@ -560,6 +576,7 @@ struct qed_pf_params { struct qed_eth_pf_params eth_pf_params; struct qed_fcoe_pf_params fcoe_pf_params; struct qed_iscsi_pf_params iscsi_pf_params; + struct qed_nvmetcp_pf_params nvmetcp_pf_params; struct qed_rdma_pf_params rdma_pf_params; }; @@ -662,6 +679,7 @@ enum qed_sb_type { enum qed_protocol { QED_PROTOCOL_ETH, QED_PROTOCOL_ISCSI, + QED_PROTOCOL_NVMETCP = QED_PROTOCOL_ISCSI, QED_PROTOCOL_FCOE, }; diff --git a/include/linux/qed/qed_ll2_if.h b/include/linux/qed/qed_ll2_if.h index ea273ba1c991..ff808d248883 100644 --- a/include/linux/qed/qed_ll2_if.h +++ b/include/linux/qed/qed_ll2_if.h @@ -18,7 +18,7 @@ enum qed_ll2_conn_type { QED_LL2_TYPE_FCOE, - QED_LL2_TYPE_ISCSI, + QED_LL2_TYPE_TCP_ULP, QED_LL2_TYPE_TEST, QED_LL2_TYPE_OOO, QED_LL2_TYPE_RESERVED2, diff --git a/include/linux/qed/qed_nvmetcp_if.h b/include/linux/qed/qed_nvmetcp_if.h new file mode 100644 index 000000000000..14671bc19ed1 --- /dev/null +++ b/include/linux/qed/qed_nvmetcp_if.h @@ -0,0 +1,240 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* Copyright 2021 Marvell. All rights reserved. */ + +#ifndef _QED_NVMETCP_IF_H +#define _QED_NVMETCP_IF_H +#include <linux/types.h> +#include <linux/qed/qed_if.h> +#include <linux/qed/storage_common.h> +#include <linux/qed/nvmetcp_common.h> + +#define QED_NVMETCP_MAX_IO_SIZE 0x800000 +#define QED_NVMETCP_CMN_HDR_SIZE (sizeof(struct nvme_tcp_hdr)) +#define QED_NVMETCP_CMD_HDR_SIZE (sizeof(struct nvme_tcp_cmd_pdu)) +#define QED_NVMETCP_NON_IO_HDR_SIZE ((QED_NVMETCP_CMN_HDR_SIZE + 16)) + +typedef int (*nvmetcp_event_cb_t) (void *context, + u8 fw_event_code, void *fw_handle); + +struct qed_dev_nvmetcp_info { + struct qed_dev_info common; + u8 port_id; /* Physical port */ + u8 num_cqs; +}; + +#define MAX_TID_BLOCKS_NVMETCP (512) +struct qed_nvmetcp_tid { + u32 size; /* In bytes per task */ + u32 num_tids_per_block; + u8 *blocks[MAX_TID_BLOCKS_NVMETCP]; +}; + +struct qed_nvmetcp_id_params { + u8 mac[ETH_ALEN]; + u32 ip[4]; + u16 port; +}; + +struct qed_nvmetcp_params_offload { + /* FW initializations */ + dma_addr_t sq_pbl_addr; + dma_addr_t nvmetcp_cccid_itid_table_addr; + u16 nvmetcp_cccid_max_range; + u8 default_cq; + + /* Networking and TCP stack initializations */ + struct qed_nvmetcp_id_params src; + struct qed_nvmetcp_id_params dst; + u32 ka_timeout; + u32 ka_interval; + u32 max_rt_time; + u32 cwnd; + u16 mss; + u16 vlan_id; + bool timestamp_en; + bool delayed_ack_en; + bool tcp_keep_alive_en; + bool ecn_en; + u8 ip_version; + u8 ka_max_probe_cnt; + u8 ttl; + u8 tos_or_tc; + u8 rcv_wnd_scale; +}; + +struct qed_nvmetcp_params_update { + u32 max_io_size; + u32 max_recv_pdu_length; + u32 max_send_pdu_length; + + /* Placeholder: pfv, cpda, hpda */ + + bool hdr_digest_en; + bool data_digest_en; +}; + +struct qed_nvmetcp_cb_ops { + struct qed_common_cb_ops common; +}; + +struct nvmetcp_sge { + struct regpair sge_addr; /* SGE address */ + __le32 sge_len; /* SGE length */ + __le32 reserved; +}; + +/* IO path HSI function SGL params */ +struct storage_sgl_task_params { + struct nvmetcp_sge *sgl; + struct regpair sgl_phys_addr; + u32 total_buffer_size; + u16 num_sges; + bool small_mid_sge; +}; + +/* IO path HSI function FW task context params */ +struct nvmetcp_task_params { + void *context; /* Output parameter - set/filled by the HSI function */ + struct nvmetcp_wqe *sqe; + u32 tx_io_size; /* in bytes (Without DIF, if exists) */ + u32 rx_io_size; /* in bytes (Without DIF, if exists) */ + u16 conn_icid; + u16 itid; + struct regpair opq; /* qedn_task_ctx address */ + u16 host_cccid; + u8 cq_rss_number; + bool send_write_incapsule; +}; + +/** + * struct qed_nvmetcp_ops - qed NVMeTCP operations. + * @common: common operations pointer + * @ll2: light L2 operations pointer + * @fill_dev_info: fills NVMeTCP specific information + * @param cdev + * @param info + * @return 0 on success, otherwise error value. + * @register_ops: register nvmetcp operations + * @param cdev + * @param ops - specified using qed_nvmetcp_cb_ops + * @param cookie - driver private + * @start: nvmetcp in FW + * @param cdev + * @param tasks - qed will fill information about tasks + * return 0 on success, otherwise error value. + * @stop: nvmetcp in FW + * @param cdev + * return 0 on success, otherwise error value. + * @acquire_conn: acquire a new nvmetcp connection + * @param cdev + * @param handle - qed will fill handle that should be + * used henceforth as identifier of the + * connection. + * @param p_doorbell - qed will fill the address of the + * doorbell. + * @return 0 on sucesss, otherwise error value. + * @release_conn: release a previously acquired nvmetcp connection + * @param cdev + * @param handle - the connection handle. + * @return 0 on success, otherwise error value. + * @offload_conn: configures an offloaded connection + * @param cdev + * @param handle - the connection handle. + * @param conn_info - the configuration to use for the + * offload. + * @return 0 on success, otherwise error value. + * @update_conn: updates an offloaded connection + * @param cdev + * @param handle - the connection handle. + * @param conn_info - the configuration to use for the + * offload. + * @return 0 on success, otherwise error value. + * @destroy_conn: stops an offloaded connection + * @param cdev + * @param handle - the connection handle. + * @return 0 on success, otherwise error value. + * @clear_sq: clear all task in sq + * @param cdev + * @param handle - the connection handle. + * @return 0 on success, otherwise error value. + * @add_src_tcp_port_filter: Add source tcp port filter + * @param cdev + * @param src_port + * @remove_src_tcp_port_filter: Remove source tcp port filter + * @param cdev + * @param src_port + * @add_dst_tcp_port_filter: Add destination tcp port filter + * @param cdev + * @param dest_port + * @remove_dst_tcp_port_filter: Remove destination tcp port filter + * @param cdev + * @param dest_port + * @clear_all_filters: Clear all filters. + * @param cdev + */ +struct qed_nvmetcp_ops { + const struct qed_common_ops *common; + + const struct qed_ll2_ops *ll2; + + int (*fill_dev_info)(struct qed_dev *cdev, + struct qed_dev_nvmetcp_info *info); + + void (*register_ops)(struct qed_dev *cdev, + struct qed_nvmetcp_cb_ops *ops, void *cookie); + + int (*start)(struct qed_dev *cdev, + struct qed_nvmetcp_tid *tasks, + void *event_context, nvmetcp_event_cb_t async_event_cb); + + int (*stop)(struct qed_dev *cdev); + + int (*acquire_conn)(struct qed_dev *cdev, + u32 *handle, + u32 *fw_cid, void __iomem **p_doorbell); + + int (*release_conn)(struct qed_dev *cdev, u32 handle); + + int (*offload_conn)(struct qed_dev *cdev, + u32 handle, + struct qed_nvmetcp_params_offload *conn_info); + + int (*update_conn)(struct qed_dev *cdev, + u32 handle, + struct qed_nvmetcp_params_update *conn_info); + + int (*destroy_conn)(struct qed_dev *cdev, u32 handle, u8 abrt_conn); + + int (*clear_sq)(struct qed_dev *cdev, u32 handle); + + int (*add_src_tcp_port_filter)(struct qed_dev *cdev, u16 src_port); + + void (*remove_src_tcp_port_filter)(struct qed_dev *cdev, u16 src_port); + + int (*add_dst_tcp_port_filter)(struct qed_dev *cdev, u16 dest_port); + + void (*remove_dst_tcp_port_filter)(struct qed_dev *cdev, u16 dest_port); + + void (*clear_all_filters)(struct qed_dev *cdev); + + void (*init_read_io)(struct nvmetcp_task_params *task_params, + struct nvme_tcp_cmd_pdu *cmd_pdu_header, + struct nvme_command *nvme_cmd, + struct storage_sgl_task_params *sgl_task_params); + + void (*init_write_io)(struct nvmetcp_task_params *task_params, + struct nvme_tcp_cmd_pdu *cmd_pdu_header, + struct nvme_command *nvme_cmd, + struct storage_sgl_task_params *sgl_task_params); + + void (*init_icreq_exchange)(struct nvmetcp_task_params *task_params, + struct nvme_tcp_icreq_pdu *init_conn_req_pdu_hdr, + struct storage_sgl_task_params *tx_sgl_task_params, + struct storage_sgl_task_params *rx_sgl_task_params); + + void (*init_task_cleanup)(struct nvmetcp_task_params *task_params); +}; + +const struct qed_nvmetcp_ops *qed_get_nvmetcp_ops(void); +void qed_put_nvmetcp_ops(void); +#endif diff --git a/include/linux/qed/qed_nvmetcp_ip_services_if.h b/include/linux/qed/qed_nvmetcp_ip_services_if.h new file mode 100644 index 000000000000..3604aee53796 --- /dev/null +++ b/include/linux/qed/qed_nvmetcp_ip_services_if.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ +/* + * Copyright 2021 Marvell. All rights reserved. + */ + +#ifndef _QED_IP_SERVICES_IF_H +#define _QED_IP_SERVICES_IF_H + +#include <linux/types.h> +#include <net/route.h> +#include <net/ip6_route.h> +#include <linux/inetdevice.h> + +int qed_route_ipv4(struct sockaddr_storage *local_addr, + struct sockaddr_storage *remote_addr, + struct sockaddr *hardware_address, + struct net_device **ndev); +int qed_route_ipv6(struct sockaddr_storage *local_addr, + struct sockaddr_storage *remote_addr, + struct sockaddr *hardware_address, + struct net_device **ndev); +void qed_vlan_get_ndev(struct net_device **ndev, u16 *vlan_id); +struct pci_dev *qed_validate_ndev(struct net_device *ndev); +void qed_return_tcp_port(struct socket *sock); +int qed_fetch_tcp_port(struct sockaddr_storage local_ip_addr, + struct socket **sock, u16 *port); +__be16 qed_get_in_port(struct sockaddr_storage *sa); + +#endif /* _QED_IP_SERVICES_IF_H */ diff --git a/include/linux/rbtree.h b/include/linux/rbtree.h index d31ecaf4fdd3..235047d7a1b5 100644 --- a/include/linux/rbtree.h +++ b/include/linux/rbtree.h @@ -17,24 +17,14 @@ #ifndef _LINUX_RBTREE_H #define _LINUX_RBTREE_H +#include <linux/rbtree_types.h> + #include <linux/kernel.h> #include <linux/stddef.h> #include <linux/rcupdate.h> -struct rb_node { - unsigned long __rb_parent_color; - struct rb_node *rb_right; - struct rb_node *rb_left; -} __attribute__((aligned(sizeof(long)))); - /* The alignment might seem pointless, but allegedly CRIS needs it */ - -struct rb_root { - struct rb_node *rb_node; -}; - #define rb_parent(r) ((struct rb_node *)((r)->__rb_parent_color & ~3)) -#define RB_ROOT (struct rb_root) { NULL, } #define rb_entry(ptr, type, member) container_of(ptr, type, member) #define RB_EMPTY_ROOT(root) (READ_ONCE((root)->rb_node) == NULL) @@ -112,23 +102,6 @@ static inline void rb_link_node_rcu(struct rb_node *node, struct rb_node *parent typeof(*pos), field); 1; }); \ pos = n) -/* - * Leftmost-cached rbtrees. - * - * We do not cache the rightmost node based on footprint - * size vs number of potential users that could benefit - * from O(1) rb_last(). Just not worth it, users that want - * this feature can always implement the logic explicitly. - * Furthermore, users that want to cache both pointers may - * find it a bit asymmetric, but that's ok. - */ -struct rb_root_cached { - struct rb_root rb_root; - struct rb_node *rb_leftmost; -}; - -#define RB_ROOT_CACHED (struct rb_root_cached) { {NULL, }, NULL } - /* Same as rb_first(), but O(1) */ #define rb_first_cached(root) (root)->rb_leftmost diff --git a/include/linux/rbtree_types.h b/include/linux/rbtree_types.h new file mode 100644 index 000000000000..45b6ecde3665 --- /dev/null +++ b/include/linux/rbtree_types.h @@ -0,0 +1,34 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _LINUX_RBTREE_TYPES_H +#define _LINUX_RBTREE_TYPES_H + +struct rb_node { + unsigned long __rb_parent_color; + struct rb_node *rb_right; + struct rb_node *rb_left; +} __attribute__((aligned(sizeof(long)))); +/* The alignment might seem pointless, but allegedly CRIS needs it */ + +struct rb_root { + struct rb_node *rb_node; +}; + +/* + * Leftmost-cached rbtrees. + * + * We do not cache the rightmost node based on footprint + * size vs number of potential users that could benefit + * from O(1) rb_last(). Just not worth it, users that want + * this feature can always implement the logic explicitly. + * Furthermore, users that want to cache both pointers may + * find it a bit asymmetric, but that's ok. + */ +struct rb_root_cached { + struct rb_root rb_root; + struct rb_node *rb_leftmost; +}; + +#define RB_ROOT (struct rb_root) { NULL, } +#define RB_ROOT_CACHED (struct rb_root_cached) { {NULL, }, NULL } + +#endif diff --git a/include/linux/rculist.h b/include/linux/rculist.h index f8633d37e358..d29740be4833 100644 --- a/include/linux/rculist.h +++ b/include/linux/rculist.h @@ -11,15 +11,6 @@ #include <linux/rcupdate.h> /* - * Why is there no list_empty_rcu()? Because list_empty() serves this - * purpose. The list_empty() function fetches the RCU-protected pointer - * and compares it to the address of the list head, but neither dereferences - * this pointer itself nor provides this pointer to the caller. Therefore, - * it is not necessary to use rcu_dereference(), so that list_empty() can - * be used anywhere you would want to use a list_empty_rcu(). - */ - -/* * INIT_LIST_HEAD_RCU - Initialize a list_head visible to RCU readers * @list: list to be initialized * @@ -318,21 +309,29 @@ static inline void list_splice_tail_init_rcu(struct list_head *list, /* * Where are list_empty_rcu() and list_first_entry_rcu()? * - * Implementing those functions following their counterparts list_empty() and - * list_first_entry() is not advisable because they lead to subtle race - * conditions as the following snippet shows: + * They do not exist because they would lead to subtle race conditions: * * if (!list_empty_rcu(mylist)) { * struct foo *bar = list_first_entry_rcu(mylist, struct foo, list_member); * do_something(bar); * } * - * The list may not be empty when list_empty_rcu checks it, but it may be when - * list_first_entry_rcu rereads the ->next pointer. - * - * Rereading the ->next pointer is not a problem for list_empty() and - * list_first_entry() because they would be protected by a lock that blocks - * writers. + * The list might be non-empty when list_empty_rcu() checks it, but it + * might have become empty by the time that list_first_entry_rcu() rereads + * the ->next pointer, which would result in a SEGV. + * + * When not using RCU, it is OK for list_first_entry() to re-read that + * pointer because both functions should be protected by some lock that + * blocks writers. + * + * When using RCU, list_empty() uses READ_ONCE() to fetch the + * RCU-protected ->next pointer and then compares it to the address of the + * list head. However, it neither dereferences this pointer nor provides + * this pointer to its caller. Thus, READ_ONCE() suffices (that is, + * rcu_dereference() is not needed), which means that list_empty() can be + * used anywhere you would want to use list_empty_rcu(). Just don't + * expect anything useful to happen if you do a subsequent lockless + * call to list_first_entry_rcu()!!! * * See list_first_or_null_rcu for an alternative. */ diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index 9455476c5ba2..434d12fe2d4f 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -53,7 +53,7 @@ void __rcu_read_unlock(void); * nesting depth, but makes sense only if CONFIG_PREEMPT_RCU -- in other * types of kernel builds, the rcu_read_lock() nesting depth is unknowable. */ -#define rcu_preempt_depth() (current->rcu_read_lock_nesting) +#define rcu_preempt_depth() READ_ONCE(current->rcu_read_lock_nesting) #else /* #ifdef CONFIG_PREEMPT_RCU */ @@ -167,7 +167,7 @@ void synchronize_rcu_tasks(void); # define synchronize_rcu_tasks synchronize_rcu # endif -# ifdef CONFIG_TASKS_RCU_TRACE +# ifdef CONFIG_TASKS_TRACE_RCU # define rcu_tasks_trace_qs(t) \ do { \ if (!likely(READ_ONCE((t)->trc_reader_checked)) && \ @@ -315,7 +315,7 @@ static inline int rcu_read_lock_any_held(void) #define RCU_LOCKDEP_WARN(c, s) \ do { \ static bool __section(".data.unlikely") __warned; \ - if (debug_lockdep_rcu_enabled() && !__warned && (c)) { \ + if ((c) && debug_lockdep_rcu_enabled() && !__warned) { \ __warned = true; \ lockdep_rcu_suspicious(__FILE__, __LINE__, s); \ } \ @@ -363,6 +363,20 @@ static inline void rcu_preempt_sleep_check(void) { } #define rcu_check_sparse(p, space) #endif /* #else #ifdef __CHECKER__ */ +/** + * unrcu_pointer - mark a pointer as not being RCU protected + * @p: pointer needing to lose its __rcu property + * + * Converts @p from an __rcu pointer to a __kernel pointer. + * This allows an __rcu pointer to be used with xchg() and friends. + */ +#define unrcu_pointer(p) \ +({ \ + typeof(*p) *_________p1 = (typeof(*p) *__force)(p); \ + rcu_check_sparse(p, __rcu); \ + ((typeof(*p) __force __kernel *)(_________p1)); \ +}) + #define __rcu_access_pointer(p, space) \ ({ \ typeof(*p) *_________p1 = (typeof(*p) *__force)READ_ONCE(p); \ @@ -518,7 +532,12 @@ do { \ * @p: The pointer to read, prior to dereferencing * @c: The conditions under which the dereference will take place * - * This is the RCU-bh counterpart to rcu_dereference_check(). + * This is the RCU-bh counterpart to rcu_dereference_check(). However, + * please note that starting in v5.0 kernels, vanilla RCU grace periods + * wait for local_bh_disable() regions of code in addition to regions of + * code demarked by rcu_read_lock() and rcu_read_unlock(). This means + * that synchronize_rcu(), call_rcu, and friends all take not only + * rcu_read_lock() but also rcu_read_lock_bh() into account. */ #define rcu_dereference_bh_check(p, c) \ __rcu_dereference_check((p), (c) || rcu_read_lock_bh_held(), __rcu) @@ -529,6 +548,11 @@ do { \ * @c: The conditions under which the dereference will take place * * This is the RCU-sched counterpart to rcu_dereference_check(). + * However, please note that starting in v5.0 kernels, vanilla RCU grace + * periods wait for preempt_disable() regions of code in addition to + * regions of code demarked by rcu_read_lock() and rcu_read_unlock(). + * This means that synchronize_rcu(), call_rcu, and friends all take not + * only rcu_read_lock() but also rcu_read_lock_sched() into account. */ #define rcu_dereference_sched_check(p, c) \ __rcu_dereference_check((p), (c) || rcu_read_lock_sched_held(), \ @@ -620,6 +644,12 @@ do { \ * sections, invocation of the corresponding RCU callback is deferred * until after the all the other CPUs exit their critical sections. * + * In v5.0 and later kernels, synchronize_rcu() and call_rcu() also + * wait for regions of code with preemption disabled, including regions of + * code with interrupts or softirqs disabled. In pre-v5.0 kernels, which + * define synchronize_sched(), only code enclosed within rcu_read_lock() + * and rcu_read_unlock() are guaranteed to be waited for. + * * Note, however, that RCU callbacks are permitted to run concurrently * with new RCU read-side critical sections. One way that this can happen * is via the following sequence of events: (1) CPU 0 enters an RCU @@ -672,33 +702,12 @@ static __always_inline void rcu_read_lock(void) /** * rcu_read_unlock() - marks the end of an RCU read-side critical section. * - * In most situations, rcu_read_unlock() is immune from deadlock. - * However, in kernels built with CONFIG_RCU_BOOST, rcu_read_unlock() - * is responsible for deboosting, which it does via rt_mutex_unlock(). - * Unfortunately, this function acquires the scheduler's runqueue and - * priority-inheritance spinlocks. This means that deadlock could result - * if the caller of rcu_read_unlock() already holds one of these locks or - * any lock that is ever acquired while holding them. - * - * That said, RCU readers are never priority boosted unless they were - * preempted. Therefore, one way to avoid deadlock is to make sure - * that preemption never happens within any RCU read-side critical - * section whose outermost rcu_read_unlock() is called with one of - * rt_mutex_unlock()'s locks held. Such preemption can be avoided in - * a number of ways, for example, by invoking preempt_disable() before - * critical section's outermost rcu_read_lock(). - * - * Given that the set of locks acquired by rt_mutex_unlock() might change - * at any time, a somewhat more future-proofed approach is to make sure - * that that preemption never happens within any RCU read-side critical - * section whose outermost rcu_read_unlock() is called with irqs disabled. - * This approach relies on the fact that rt_mutex_unlock() currently only - * acquires irq-disabled locks. - * - * The second of these two approaches is best in most situations, - * however, the first approach can also be useful, at least to those - * developers willing to keep abreast of the set of locks acquired by - * rt_mutex_unlock(). + * In almost all situations, rcu_read_unlock() is immune from deadlock. + * In recent kernels that have consolidated synchronize_sched() and + * synchronize_rcu_bh() into synchronize_rcu(), this deadlock immunity + * also extends to the scheduler's runqueue and priority-inheritance + * spinlocks, courtesy of the quiescent-state deferral that is carried + * out when rcu_read_unlock() is invoked with interrupts disabled. * * See rcu_read_lock() for more information. */ @@ -714,9 +723,11 @@ static inline void rcu_read_unlock(void) /** * rcu_read_lock_bh() - mark the beginning of an RCU-bh critical section * - * This is equivalent of rcu_read_lock(), but also disables softirqs. - * Note that anything else that disables softirqs can also serve as - * an RCU read-side critical section. + * This is equivalent to rcu_read_lock(), but also disables softirqs. + * Note that anything else that disables softirqs can also serve as an RCU + * read-side critical section. However, please note that this equivalence + * applies only to v5.0 and later. Before v5.0, rcu_read_lock() and + * rcu_read_lock_bh() were unrelated. * * Note that rcu_read_lock_bh() and the matching rcu_read_unlock_bh() * must occur in the same context, for example, it is illegal to invoke @@ -749,9 +760,12 @@ static inline void rcu_read_unlock_bh(void) /** * rcu_read_lock_sched() - mark the beginning of a RCU-sched critical section * - * This is equivalent of rcu_read_lock(), but disables preemption. - * Read-side critical sections can also be introduced by anything else - * that disables preemption, including local_irq_disable() and friends. + * This is equivalent to rcu_read_lock(), but also disables preemption. + * Read-side critical sections can also be introduced by anything else that + * disables preemption, including local_irq_disable() and friends. However, + * please note that the equivalence to rcu_read_lock() applies only to + * v5.0 and later. Before v5.0, rcu_read_lock() and rcu_read_lock_sched() + * were unrelated. * * Note that rcu_read_lock_sched() and the matching rcu_read_unlock_sched() * must occur in the same context, for example, it is illegal to invoke diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 35e0be326ffc..9be015305f9f 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -14,9 +14,6 @@ #include <asm/param.h> /* for HZ */ -/* Never flag non-existent other CPUs! */ -static inline bool rcu_eqs_special_set(int cpu) { return false; } - unsigned long get_state_synchronize_rcu(void); unsigned long start_poll_synchronize_rcu(void); bool poll_state_synchronize_rcu(unsigned long oldstate); @@ -86,7 +83,6 @@ static inline void rcu_irq_enter(void) { } static inline void rcu_irq_exit_irqson(void) { } static inline void rcu_irq_enter_irqson(void) { } static inline void rcu_irq_exit(void) { } -static inline void rcu_irq_exit_preempt(void) { } static inline void rcu_irq_exit_check_preempt(void) { } #define rcu_is_idle_cpu(cpu) \ (is_idle_task(current) && !in_nmi() && !in_irq() && !in_serving_softirq()) diff --git a/include/linux/rcutree.h b/include/linux/rcutree.h index b89b54130f49..53209d669400 100644 --- a/include/linux/rcutree.h +++ b/include/linux/rcutree.h @@ -49,7 +49,6 @@ void rcu_idle_enter(void); void rcu_idle_exit(void); void rcu_irq_enter(void); void rcu_irq_exit(void); -void rcu_irq_exit_preempt(void); void rcu_irq_enter_irqson(void); void rcu_irq_exit_irqson(void); bool rcu_is_idle_cpu(int cpu); diff --git a/include/linux/reboot.h b/include/linux/reboot.h index 3734cd8f38a8..af907a3d68d1 100644 --- a/include/linux/reboot.h +++ b/include/linux/reboot.h @@ -79,6 +79,7 @@ extern char poweroff_cmd[POWEROFF_CMD_PATH_LEN]; extern void orderly_poweroff(bool force); extern void orderly_reboot(void); +void hw_protection_shutdown(const char *reason, int ms_until_forced); /* * Emergency restart, callable from an interrupt handler. diff --git a/include/linux/regmap.h b/include/linux/regmap.h index f87a11a5cc4a..e3c9a25a853a 100644 --- a/include/linux/regmap.h +++ b/include/linux/regmap.h @@ -27,6 +27,7 @@ struct device_node; struct i2c_client; struct i3c_device; struct irq_domain; +struct mdio_device; struct slim_device; struct spi_device; struct spmi_device; @@ -343,6 +344,7 @@ typedef void (*regmap_unlock)(void *); * @ranges: Array of configuration entries for virtual address ranges. * @num_ranges: Number of range configuration entries. * @use_hwlock: Indicate if a hardware spinlock should be used. + * @use_raw_spinlock: Indicate if a raw spinlock should be used. * @hwlock_id: Specify the hardware spinlock id. * @hwlock_mode: The hardware spinlock mode, should be HWLOCK_IRQSTATE, * HWLOCK_IRQ or 0. @@ -402,6 +404,7 @@ struct regmap_config { unsigned int num_ranges; bool use_hwlock; + bool use_raw_spinlock; unsigned int hwlock_id; unsigned int hwlock_mode; @@ -502,6 +505,7 @@ typedef void (*regmap_hw_free_context)(void *context); * DEFAULT, BIG is assumed. * @max_raw_read: Max raw read size that can be used on the bus. * @max_raw_write: Max raw write size that can be used on the bus. + * @free_on_exit: kfree this on exit of regmap */ struct regmap_bus { bool fast_io; @@ -519,6 +523,7 @@ struct regmap_bus { enum regmap_endian val_format_endian_default; size_t max_raw_read; size_t max_raw_write; + bool free_on_exit; }; /* @@ -538,6 +543,10 @@ struct regmap *__regmap_init_i2c(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name); +struct regmap *__regmap_init_mdio(struct mdio_device *mdio_dev, + const struct regmap_config *config, + struct lock_class_key *lock_key, + const char *lock_name); struct regmap *__regmap_init_sccb(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, @@ -594,6 +603,10 @@ struct regmap *__devm_regmap_init_i2c(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, const char *lock_name); +struct regmap *__devm_regmap_init_mdio(struct mdio_device *mdio_dev, + const struct regmap_config *config, + struct lock_class_key *lock_key, + const char *lock_name); struct regmap *__devm_regmap_init_sccb(struct i2c_client *i2c, const struct regmap_config *config, struct lock_class_key *lock_key, @@ -698,6 +711,19 @@ int regmap_attach_dev(struct device *dev, struct regmap *map, i2c, config) /** + * regmap_init_mdio() - Initialise register map + * + * @mdio_dev: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer to + * a struct regmap. + */ +#define regmap_init_mdio(mdio_dev, config) \ + __regmap_lockdep_wrapper(__regmap_init_mdio, #config, \ + mdio_dev, config) + +/** * regmap_init_sccb() - Initialise register map * * @i2c: Device that will be interacted with @@ -889,6 +915,20 @@ bool regmap_ac97_default_volatile(struct device *dev, unsigned int reg); i2c, config) /** + * devm_regmap_init_mdio() - Initialise managed register map + * + * @mdio_dev: Device that will be interacted with + * @config: Configuration for register map + * + * The return value will be an ERR_PTR() on error or a valid pointer + * to a struct regmap. The regmap will be automatically freed by the + * device management code. + */ +#define devm_regmap_init_mdio(mdio_dev, config) \ + __regmap_lockdep_wrapper(__devm_regmap_init_mdio, #config, \ + mdio_dev, config) + +/** * devm_regmap_init_sccb() - Initialise managed register map * * @i2c: Device that will be interacted with @@ -1231,12 +1271,13 @@ void devm_regmap_field_free(struct device *dev, struct regmap_field *field); int regmap_field_bulk_alloc(struct regmap *regmap, struct regmap_field **rm_field, - struct reg_field *reg_field, + const struct reg_field *reg_field, int num_fields); void regmap_field_bulk_free(struct regmap_field *field); int devm_regmap_field_bulk_alloc(struct device *dev, struct regmap *regmap, struct regmap_field **field, - struct reg_field *reg_field, int num_fields); + const struct reg_field *reg_field, + int num_fields); void devm_regmap_field_bulk_free(struct device *dev, struct regmap_field *field); @@ -1411,6 +1452,7 @@ struct regmap_irq_sub_irq_map { * @not_fixed_stride: Used when chip peripherals are not laid out with fixed * stride. Must be used with sub_reg_offsets containing the * offsets to each peripheral. + * @status_invert: Inverted status register: cleared bits are active interrupts. * @runtime_pm: Hold a runtime PM lock on the device when accessing it. * * @num_regs: Number of registers in each control bank. @@ -1463,6 +1505,7 @@ struct regmap_irq_chip { bool type_in_mask:1; bool clear_on_unmask:1; bool not_fixed_stride:1; + bool status_invert:1; int num_regs; diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index 20e84a84fb77..bbf6590a6dec 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -119,6 +119,16 @@ struct regulator_dev; #define REGULATOR_EVENT_PRE_DISABLE 0x400 #define REGULATOR_EVENT_ABORT_DISABLE 0x800 #define REGULATOR_EVENT_ENABLE 0x1000 +/* + * Following notifications should be emitted only if detected condition + * is such that the HW is likely to still be working but consumers should + * take a recovery action to prevent problems esacalating into errors. + */ +#define REGULATOR_EVENT_UNDER_VOLTAGE_WARN 0x2000 +#define REGULATOR_EVENT_OVER_CURRENT_WARN 0x4000 +#define REGULATOR_EVENT_OVER_VOLTAGE_WARN 0x8000 +#define REGULATOR_EVENT_OVER_TEMP_WARN 0x10000 +#define REGULATOR_EVENT_WARN_MASK 0x1E000 /* * Regulator errors that can be queried using regulator_get_error_flags @@ -138,6 +148,10 @@ struct regulator_dev; #define REGULATOR_ERROR_FAIL BIT(4) #define REGULATOR_ERROR_OVER_TEMP BIT(5) +#define REGULATOR_ERROR_UNDER_VOLTAGE_WARN BIT(6) +#define REGULATOR_ERROR_OVER_CURRENT_WARN BIT(7) +#define REGULATOR_ERROR_OVER_VOLTAGE_WARN BIT(8) +#define REGULATOR_ERROR_OVER_TEMP_WARN BIT(9) /** * struct pre_voltage_change_data - Data sent with PRE_VOLTAGE_CHANGE event @@ -208,17 +222,12 @@ void regulator_bulk_unregister_supply_alias(struct device *dev, int devm_regulator_register_supply_alias(struct device *dev, const char *id, struct device *alias_dev, const char *alias_id); -void devm_regulator_unregister_supply_alias(struct device *dev, - const char *id); int devm_regulator_bulk_register_supply_alias(struct device *dev, const char *const *id, struct device *alias_dev, const char *const *alias_id, int num_id); -void devm_regulator_bulk_unregister_supply_alias(struct device *dev, - const char *const *id, - int num_id); /* regulator output control and status */ int __must_check regulator_enable(struct regulator *regulator); @@ -394,11 +403,6 @@ static inline int devm_regulator_register_supply_alias(struct device *dev, return 0; } -static inline void devm_regulator_unregister_supply_alias(struct device *dev, - const char *id) -{ -} - static inline int devm_regulator_bulk_register_supply_alias(struct device *dev, const char *const *id, struct device *alias_dev, @@ -408,11 +412,6 @@ static inline int devm_regulator_bulk_register_supply_alias(struct device *dev, return 0; } -static inline void devm_regulator_bulk_unregister_supply_alias( - struct device *dev, const char *const *id, int num_id) -{ -} - static inline int regulator_enable(struct regulator *regulator) { return 0; diff --git a/include/linux/regulator/coupler.h b/include/linux/regulator/coupler.h index 5f86824bd117..73291f280a23 100644 --- a/include/linux/regulator/coupler.h +++ b/include/linux/regulator/coupler.h @@ -52,7 +52,6 @@ struct regulator_coupler { #ifdef CONFIG_REGULATOR int regulator_coupler_register(struct regulator_coupler *coupler); -const char *rdev_get_name(struct regulator_dev *rdev); int regulator_check_consumers(struct regulator_dev *rdev, int *min_uV, int *max_uV, suspend_state_t state); @@ -69,10 +68,6 @@ static inline int regulator_coupler_register(struct regulator_coupler *coupler) { return 0; } -static inline const char *rdev_get_name(struct regulator_dev *rdev) -{ - return NULL; -} static inline int regulator_check_consumers(struct regulator_dev *rdev, int *min_uV, int *max_uV, suspend_state_t state) diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h index 4ea520c248e9..bd7a73db2e66 100644 --- a/include/linux/regulator/driver.h +++ b/include/linux/regulator/driver.h @@ -40,6 +40,15 @@ enum regulator_status { REGULATOR_STATUS_UNDEFINED, }; +enum regulator_detection_severity { + /* Hardware shut down voltage outputs if condition is detected */ + REGULATOR_SEVERITY_PROT, + /* Hardware is probably damaged/inoperable */ + REGULATOR_SEVERITY_ERR, + /* Hardware is still recoverable but recovery action must be taken */ + REGULATOR_SEVERITY_WARN, +}; + /* Initialize struct linear_range for regulators */ #define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV) \ { \ @@ -78,8 +87,25 @@ enum regulator_status { * @get_current_limit: Get the configured limit for a current-limited regulator. * @set_input_current_limit: Configure an input limit. * - * @set_over_current_protection: Support capability of automatically shutting - * down when detecting an over current event. + * @set_over_current_protection: Support enabling of and setting limits for over + * current situation detection. Detection can be configured for three + * levels of severity. + * REGULATOR_SEVERITY_PROT should automatically shut down the regulator(s). + * REGULATOR_SEVERITY_ERR should indicate that over-current situation is + * caused by an unrecoverable error but HW does not perform + * automatic shut down. + * REGULATOR_SEVERITY_WARN should indicate situation where hardware is + * still believed to not be damaged but that a board sepcific + * recovery action is needed. If lim_uA is 0 the limit should not + * be changed but the detection should just be enabled/disabled as + * is requested. + * @set_over_voltage_protection: Support enabling of and setting limits for over + * voltage situation detection. Detection can be configured for same + * severities as over current protection. + * @set_under_voltage_protection: Support enabling of and setting limits for + * under situation detection. + * @set_thermal_protection: Support enabling of and setting limits for over + * temperature situation detection. * * @set_active_discharge: Set active discharge enable/disable of regulators. * @@ -143,8 +169,15 @@ struct regulator_ops { int (*get_current_limit) (struct regulator_dev *); int (*set_input_current_limit) (struct regulator_dev *, int lim_uA); - int (*set_over_current_protection) (struct regulator_dev *); - int (*set_active_discharge) (struct regulator_dev *, bool enable); + int (*set_over_current_protection)(struct regulator_dev *, int lim_uA, + int severity, bool enable); + int (*set_over_voltage_protection)(struct regulator_dev *, int lim_uV, + int severity, bool enable); + int (*set_under_voltage_protection)(struct regulator_dev *, int lim_uV, + int severity, bool enable); + int (*set_thermal_protection)(struct regulator_dev *, int lim, + int severity, bool enable); + int (*set_active_discharge)(struct regulator_dev *, bool enable); /* enable/disable regulator */ int (*enable) (struct regulator_dev *); @@ -304,6 +337,12 @@ enum regulator_type { * @pull_down_val_on: Enabling value for control when using regmap * set_pull_down * + * @ramp_reg: Register for controlling the regulator ramp-rate. + * @ramp_mask: Bitmask for the ramp-rate control register. + * @ramp_delay_table: Table for mapping the regulator ramp-rate values. Values + * should be given in units of V/S (uV/uS). See the + * regulator_set_ramp_delay_regmap(). + * * @enable_time: Time taken for initial enable of regulator (in uS). * @off_on_delay: guard time (in uS), before re-enabling a regulator * @@ -413,6 +452,129 @@ struct regulator_config { struct gpio_desc *ena_gpiod; }; +/** + * struct regulator_err_state - regulator error/notification status + * + * @rdev: Regulator which status the struct indicates. + * @notifs: Events which have occurred on the regulator. + * @errors: Errors which are active on the regulator. + * @possible_errs: Errors which can be signaled (by given IRQ). + */ +struct regulator_err_state { + struct regulator_dev *rdev; + unsigned long notifs; + unsigned long errors; + int possible_errs; +}; + +/** + * struct regulator_irq_data - regulator error/notification status data + * + * @states: Status structs for each of the associated regulators. + * @num_states: Amount of associated regulators. + * @data: Driver data pointer given at regulator_irq_desc. + * @opaque: Value storage for IC driver. Core does not update this. ICs + * may want to store status register value here at map_event and + * compare contents at 'renable' callback to see if new problems + * have been added to status. If that is the case it may be + * desirable to return REGULATOR_ERROR_CLEARED and not + * REGULATOR_ERROR_ON to allow IRQ fire again and to generate + * notifications also for the new issues. + * + * This structure is passed to 'map_event' and 'renable' callbacks for + * reporting regulator status to core. + */ +struct regulator_irq_data { + struct regulator_err_state *states; + int num_states; + void *data; + long opaque; +}; + +/** + * struct regulator_irq_desc - notification sender for IRQ based events. + * + * @name: The visible name for the IRQ + * @fatal_cnt: If this IRQ is used to signal HW damaging condition it may be + * best to shut-down regulator(s) or reboot the SOC if error + * handling is repeatedly failing. If fatal_cnt is given the IRQ + * handling is aborted if it fails for fatal_cnt times and die() + * callback (if populated) or BUG() is called to try to prevent + * further damage. + * @reread_ms: The time which is waited before attempting to re-read status + * at the worker if IC reading fails. Immediate re-read is done + * if time is not specified. + * @irq_off_ms: The time which IRQ is kept disabled before re-evaluating the + * status for devices which keep IRQ disabled for duration of the + * error. If this is not given the IRQ is left enabled and renable + * is not called. + * @skip_off: If set to true the IRQ handler will attempt to check if any of + * the associated regulators are enabled prior to taking other + * actions. If no regulators are enabled and this is set to true + * a spurious IRQ is assumed and IRQ_NONE is returned. + * @high_prio: Boolean to indicate that high priority WQ should be used. + * @data: Driver private data pointer which will be passed as such to + * the renable, map_event and die callbacks in regulator_irq_data. + * @die: Protection callback. If IC status reading or recovery actions + * fail fatal_cnt times this callback or BUG() is called. This + * callback should implement a final protection attempt like + * disabling the regulator. If protection succeeded this may + * return 0. If anything else is returned the core assumes final + * protection failed and calls BUG() as a last resort. + * @map_event: Driver callback to map IRQ status into regulator devices with + * events / errors. NOTE: callback MUST initialize both the + * errors and notifs for all rdevs which it signals having + * active events as core does not clean the map data. + * REGULATOR_FAILED_RETRY can be returned to indicate that the + * status reading from IC failed. If this is repeated for + * fatal_cnt times the core will call die() callback or power-off + * the system as a last resort to protect the HW. + * @renable: Optional callback to check status (if HW supports that) before + * re-enabling IRQ. If implemented this should clear the error + * flags so that errors fetched by regulator_get_error_flags() + * are updated. If callback is not implemented then errors are + * assumed to be cleared and IRQ is re-enabled. + * REGULATOR_FAILED_RETRY can be returned to + * indicate that the status reading from IC failed. If this is + * repeated for 'fatal_cnt' times the core will call die() + * callback or if die() is not populated then attempt to power-off + * the system as a last resort to protect the HW. + * Returning zero indicates that the problem in HW has been solved + * and IRQ will be re-enabled. Returning REGULATOR_ERROR_ON + * indicates the error condition is still active and keeps IRQ + * disabled. Please note that returning REGULATOR_ERROR_ON does + * not retrigger evaluating what events are active or resending + * notifications. If this is needed you probably want to return + * zero and allow IRQ to retrigger causing events to be + * re-evaluated and re-sent. + * + * This structure is used for registering regulator IRQ notification helper. + */ +struct regulator_irq_desc { + const char *name; + int irq_flags; + int fatal_cnt; + int reread_ms; + int irq_off_ms; + bool skip_off; + bool high_prio; + void *data; + + int (*die)(struct regulator_irq_data *rid); + int (*map_event)(int irq, struct regulator_irq_data *rid, + unsigned long *dev_mask); + int (*renable)(struct regulator_irq_data *rid); +}; + +/* + * Return values for regulator IRQ helpers. + */ +enum { + REGULATOR_ERROR_CLEARED, + REGULATOR_FAILED_RETRY, + REGULATOR_ERROR_ON, +}; + /* * struct coupling_desc * @@ -477,6 +639,9 @@ struct regulator_dev { /* time when this regulator was disabled last time */ ktime_t last_off; + int cached_err; + bool use_cached_err; + spinlock_t err_lock; }; struct regulator_dev * @@ -487,10 +652,19 @@ devm_regulator_register(struct device *dev, const struct regulator_desc *regulator_desc, const struct regulator_config *config); void regulator_unregister(struct regulator_dev *rdev); -void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev); int regulator_notifier_call_chain(struct regulator_dev *rdev, unsigned long event, void *data); +void *devm_regulator_irq_helper(struct device *dev, + const struct regulator_irq_desc *d, int irq, + int irq_flags, int common_errs, + int *per_rdev_errs, struct regulator_dev **rdev, + int rdev_amount); +void *regulator_irq_helper(struct device *dev, + const struct regulator_irq_desc *d, int irq, + int irq_flags, int common_errs, int *per_rdev_errs, + struct regulator_dev **rdev, int rdev_amount); +void regulator_irq_helper_cancel(void **handle); void *rdev_get_drvdata(struct regulator_dev *rdev); struct device *rdev_get_dev(struct regulator_dev *rdev); @@ -540,6 +714,7 @@ int regulator_set_current_limit_regmap(struct regulator_dev *rdev, int regulator_get_current_limit_regmap(struct regulator_dev *rdev); void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data); int regulator_set_ramp_delay_regmap(struct regulator_dev *rdev, int ramp_delay); +int regulator_sync_voltage_rdev(struct regulator_dev *rdev); /* * Helper functions intended to be used by regulator drivers prior registering @@ -550,4 +725,14 @@ int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc, int regulator_desc_list_voltage_linear(const struct regulator_desc *desc, unsigned int selector); + +#ifdef CONFIG_REGULATOR +const char *rdev_get_name(struct regulator_dev *rdev); +#else +static inline const char *rdev_get_name(struct regulator_dev *rdev) +{ + return NULL; +} +#endif + #endif diff --git a/include/linux/regulator/machine.h b/include/linux/regulator/machine.h index 8a56f033b6cd..621b7f4a3639 100644 --- a/include/linux/regulator/machine.h +++ b/include/linux/regulator/machine.h @@ -83,6 +83,14 @@ struct regulator_state { bool changeable; }; +#define REGULATOR_NOTIF_LIMIT_DISABLE -1 +#define REGULATOR_NOTIF_LIMIT_ENABLE -2 +struct notification_limit { + int prot; + int err; + int warn; +}; + /** * struct regulation_constraints - regulator operating constraints. * @@ -100,6 +108,11 @@ struct regulator_state { * @ilim_uA: Maximum input current. * @system_load: Load that isn't captured by any consumer requests. * + * @over_curr_limits: Limits for acting on over current. + * @over_voltage_limits: Limits for acting on over voltage. + * @under_voltage_limits: Limits for acting on under voltage. + * @temp_limits: Limits for acting on over temperature. + * * @max_spread: Max possible spread between coupled regulators * @max_uV_step: Max possible step change in voltage * @valid_modes_mask: Mask of modes which may be configured by consumers. @@ -116,6 +129,11 @@ struct regulator_state { * @pull_down: Enable pull down when regulator is disabled. * @over_current_protection: Auto disable on over current event. * + * @over_current_detection: Configure over current limits. + * @over_voltage_detection: Configure over voltage limits. + * @under_voltage_detection: Configure under voltage limits. + * @over_temp_detection: Configure over temperature limits. + * * @input_uV: Input voltage for regulator when supplied by another regulator. * * @state_disk: State for regulator when system is suspended in disk mode. @@ -172,6 +190,10 @@ struct regulation_constraints { struct regulator_state state_disk; struct regulator_state state_mem; struct regulator_state state_standby; + struct notification_limit over_curr_limits; + struct notification_limit over_voltage_limits; + struct notification_limit under_voltage_limits; + struct notification_limit temp_limits; suspend_state_t initial_state; /* suspend state to set at init */ /* mode to set on startup */ @@ -193,6 +215,10 @@ struct regulation_constraints { unsigned soft_start:1; /* ramp voltage slowly */ unsigned pull_down:1; /* pull down resistor when regulator off */ unsigned over_current_protection:1; /* auto disable on over current */ + unsigned over_current_detection:1; /* notify on over current */ + unsigned over_voltage_detection:1; /* notify on over voltage */ + unsigned under_voltage_detection:1; /* notify on under voltage */ + unsigned over_temp_detection:1; /* notify on over temperature */ }; /** diff --git a/include/linux/regulator/mt6359-regulator.h b/include/linux/regulator/mt6359-regulator.h new file mode 100644 index 000000000000..6d6e5a58f482 --- /dev/null +++ b/include/linux/regulator/mt6359-regulator.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2021 MediaTek Inc. + */ + +#ifndef __LINUX_REGULATOR_MT6359_H +#define __LINUX_REGULATOR_MT6359_H + +enum { + MT6359_ID_VS1 = 0, + MT6359_ID_VGPU11, + MT6359_ID_VMODEM, + MT6359_ID_VPU, + MT6359_ID_VCORE, + MT6359_ID_VS2, + MT6359_ID_VPA, + MT6359_ID_VPROC2, + MT6359_ID_VPROC1, + MT6359_ID_VCORE_SSHUB, + MT6359_ID_VGPU11_SSHUB = MT6359_ID_VCORE_SSHUB, + MT6359_ID_VAUD18 = 10, + MT6359_ID_VSIM1, + MT6359_ID_VIBR, + MT6359_ID_VRF12, + MT6359_ID_VUSB, + MT6359_ID_VSRAM_PROC2, + MT6359_ID_VIO18, + MT6359_ID_VCAMIO, + MT6359_ID_VCN18, + MT6359_ID_VFE28, + MT6359_ID_VCN13, + MT6359_ID_VCN33_1_BT, + MT6359_ID_VCN33_1_WIFI, + MT6359_ID_VAUX18, + MT6359_ID_VSRAM_OTHERS, + MT6359_ID_VEFUSE, + MT6359_ID_VXO22, + MT6359_ID_VRFCK, + MT6359_ID_VBIF28, + MT6359_ID_VIO28, + MT6359_ID_VEMC, + MT6359_ID_VCN33_2_BT, + MT6359_ID_VCN33_2_WIFI, + MT6359_ID_VA12, + MT6359_ID_VA09, + MT6359_ID_VRF18, + MT6359_ID_VSRAM_MD, + MT6359_ID_VUFS, + MT6359_ID_VM18, + MT6359_ID_VBBCK, + MT6359_ID_VSRAM_PROC1, + MT6359_ID_VSIM2, + MT6359_ID_VSRAM_OTHERS_SSHUB, + MT6359_ID_RG_MAX, +}; + +#define MT6359_MAX_REGULATOR MT6359_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_MT6359_H */ diff --git a/include/linux/remoteproc.h b/include/linux/remoteproc.h index 8b795b544f75..83c09ac36b13 100644 --- a/include/linux/remoteproc.h +++ b/include/linux/remoteproc.h @@ -243,7 +243,7 @@ struct fw_rsc_trace { * @da: device address * @align: the alignment between the consumer and producer parts of the vring * @num: num of buffers supported by this vring (must be power of two) - * @notifyid is a unique rproc-wide notify index for this vring. This notify + * @notifyid: a unique rproc-wide notify index for this vring. This notify * index is used when kicking a remote processor, to let it know that this * vring is triggered. * @pa: physical address @@ -266,18 +266,18 @@ struct fw_rsc_vdev_vring { /** * struct fw_rsc_vdev - virtio device header * @id: virtio device id (as in virtio_ids.h) - * @notifyid is a unique rproc-wide notify index for this vdev. This notify + * @notifyid: a unique rproc-wide notify index for this vdev. This notify * index is used when kicking a remote processor, to let it know that the * status/features of this vdev have changes. - * @dfeatures specifies the virtio device features supported by the firmware - * @gfeatures is a place holder used by the host to write back the + * @dfeatures: specifies the virtio device features supported by the firmware + * @gfeatures: a place holder used by the host to write back the * negotiated features that are supported by both sides. - * @config_len is the size of the virtio config space of this vdev. The config + * @config_len: the size of the virtio config space of this vdev. The config * space lies in the resource table immediate after this vdev header. - * @status is a place holder where the host will indicate its virtio progress. - * @num_of_vrings indicates how many vrings are described in this vdev header + * @status: a place holder where the host will indicate its virtio progress. + * @num_of_vrings: indicates how many vrings are described in this vdev header * @reserved: reserved (must be zero) - * @vring is an array of @num_of_vrings entries of 'struct fw_rsc_vdev_vring'. + * @vring: an array of @num_of_vrings entries of 'struct fw_rsc_vdev_vring'. * * This resource is a virtio device header: it provides information about * the vdev, and is then used by the host and its peer remote processors @@ -287,16 +287,17 @@ struct fw_rsc_vdev_vring { * to statically allocate a vdev upon registration of the rproc (dynamic vdev * allocation is not yet supported). * - * Note: unlike virtualization systems, the term 'host' here means - * the Linux side which is running remoteproc to control the remote - * processors. We use the name 'gfeatures' to comply with virtio's terms, - * though there isn't really any virtualized guest OS here: it's the host - * which is responsible for negotiating the final features. - * Yeah, it's a bit confusing. - * - * Note: immediately following this structure is the virtio config space for - * this vdev (which is specific to the vdev; for more info, read the virtio - * spec). the size of the config space is specified by @config_len. + * Note: + * 1. unlike virtualization systems, the term 'host' here means + * the Linux side which is running remoteproc to control the remote + * processors. We use the name 'gfeatures' to comply with virtio's terms, + * though there isn't really any virtualized guest OS here: it's the host + * which is responsible for negotiating the final features. + * Yeah, it's a bit confusing. + * + * 2. immediately following this structure is the virtio config space for + * this vdev (which is specific to the vdev; for more info, read the virtio + * spec). The size of the config space is specified by @config_len. */ struct fw_rsc_vdev { u32 id; @@ -368,9 +369,8 @@ enum rsc_handling_status { * @da_to_va: optional platform hook to perform address translations * @parse_fw: parse firmware to extract information (e.g. resource table) * @handle_rsc: optional platform hook to handle vendor resources. Should return - * RSC_HANDLED if resource was handled, RSC_IGNORED if not handled and a - * negative value on error - * @load_rsc_table: load resource table from firmware image + * RSC_HANDLED if resource was handled, RSC_IGNORED if not handled + * and a negative value on error * @find_loaded_rsc_table: find the loaded resource table from firmware image * @get_loaded_rsc_table: get resource table installed in memory * by external entity @@ -440,7 +440,7 @@ enum rproc_state { * enum rproc_crash_type - remote processor crash types * @RPROC_MMUFAULT: iommu fault * @RPROC_WATCHDOG: watchdog bite - * @RPROC_FATAL_ERROR fatal error + * @RPROC_FATAL_ERROR: fatal error * * Each element of the enum is used as an array index. So that, the value of * the elements should be always something sane. @@ -457,9 +457,9 @@ enum rproc_crash_type { * enum rproc_dump_mechanism - Coredump options for core * @RPROC_COREDUMP_DISABLED: Don't perform any dump * @RPROC_COREDUMP_ENABLED: Copy dump to separate buffer and carry on with - recovery + * recovery * @RPROC_COREDUMP_INLINE: Read segments directly from device memory. Stall - recovery until all segments are read + * recovery until all segments are read */ enum rproc_dump_mechanism { RPROC_COREDUMP_DISABLED, @@ -475,6 +475,7 @@ enum rproc_dump_mechanism { * @priv: private data associated with the dump_segment * @dump: custom dump function to fill device memory segment associated * with coredump + * @offset: offset of the segment */ struct rproc_dump_segment { struct list_head node; @@ -524,7 +525,9 @@ struct rproc_dump_segment { * @auto_boot: flag to indicate if remote processor should be auto-started * @dump_segments: list of segments in the firmware * @nb_vdev: number of vdev currently handled by rproc - * @char_dev: character device of the rproc + * @elf_class: firmware ELF class + * @elf_machine: firmware ELF machine + * @cdev: character device of the rproc * @cdev_put_on_release: flag to indicate if remoteproc should be shutdown on @char_dev release */ struct rproc { @@ -613,10 +616,10 @@ struct rproc_vring { * struct rproc_vdev - remoteproc state for a supported virtio device * @refcount: reference counter for the vdev and vring allocations * @subdev: handle for registering the vdev as a rproc subdevice + * @dev: device struct used for reference count semantics * @id: virtio device id (as in virtio_ids.h) * @node: list node * @rproc: the rproc handle - * @vdev: the virio device * @vring: the vrings for this vdev * @rsc_offset: offset of the vdev's resource entry * @index: vdev position versus other vdev declared in resource table diff --git a/include/linux/resctrl.h b/include/linux/resctrl.h index 9b05af9b3e28..21deb5212bbd 100644 --- a/include/linux/resctrl.h +++ b/include/linux/resctrl.h @@ -2,6 +2,8 @@ #ifndef _RESCTRL_H #define _RESCTRL_H +#include <linux/kernel.h> +#include <linux/list.h> #include <linux/pid.h> #ifdef CONFIG_PROC_CPU_RESCTRL @@ -13,4 +15,186 @@ int proc_resctrl_show(struct seq_file *m, #endif +/** + * enum resctrl_conf_type - The type of configuration. + * @CDP_NONE: No prioritisation, both code and data are controlled or monitored. + * @CDP_CODE: Configuration applies to instruction fetches. + * @CDP_DATA: Configuration applies to reads and writes. + */ +enum resctrl_conf_type { + CDP_NONE, + CDP_CODE, + CDP_DATA, +}; + +#define CDP_NUM_TYPES (CDP_DATA + 1) + +/** + * struct resctrl_staged_config - parsed configuration to be applied + * @new_ctrl: new ctrl value to be loaded + * @have_new_ctrl: whether the user provided new_ctrl is valid + */ +struct resctrl_staged_config { + u32 new_ctrl; + bool have_new_ctrl; +}; + +/** + * struct rdt_domain - group of CPUs sharing a resctrl resource + * @list: all instances of this resource + * @id: unique id for this instance + * @cpu_mask: which CPUs share this resource + * @rmid_busy_llc: bitmap of which limbo RMIDs are above threshold + * @mbm_total: saved state for MBM total bandwidth + * @mbm_local: saved state for MBM local bandwidth + * @mbm_over: worker to periodically read MBM h/w counters + * @cqm_limbo: worker to periodically read CQM h/w counters + * @mbm_work_cpu: worker CPU for MBM h/w counters + * @cqm_work_cpu: worker CPU for CQM h/w counters + * @plr: pseudo-locked region (if any) associated with domain + * @staged_config: parsed configuration to be applied + */ +struct rdt_domain { + struct list_head list; + int id; + struct cpumask cpu_mask; + unsigned long *rmid_busy_llc; + struct mbm_state *mbm_total; + struct mbm_state *mbm_local; + struct delayed_work mbm_over; + struct delayed_work cqm_limbo; + int mbm_work_cpu; + int cqm_work_cpu; + struct pseudo_lock_region *plr; + struct resctrl_staged_config staged_config[CDP_NUM_TYPES]; +}; + +/** + * struct resctrl_cache - Cache allocation related data + * @cbm_len: Length of the cache bit mask + * @min_cbm_bits: Minimum number of consecutive bits to be set + * @shareable_bits: Bitmask of shareable resource with other + * executing entities + * @arch_has_sparse_bitmaps: True if a bitmap like f00f is valid. + * @arch_has_empty_bitmaps: True if the '0' bitmap is valid. + * @arch_has_per_cpu_cfg: True if QOS_CFG register for this cache + * level has CPU scope. + */ +struct resctrl_cache { + unsigned int cbm_len; + unsigned int min_cbm_bits; + unsigned int shareable_bits; + bool arch_has_sparse_bitmaps; + bool arch_has_empty_bitmaps; + bool arch_has_per_cpu_cfg; +}; + +/** + * enum membw_throttle_mode - System's memory bandwidth throttling mode + * @THREAD_THROTTLE_UNDEFINED: Not relevant to the system + * @THREAD_THROTTLE_MAX: Memory bandwidth is throttled at the core + * always using smallest bandwidth percentage + * assigned to threads, aka "max throttling" + * @THREAD_THROTTLE_PER_THREAD: Memory bandwidth is throttled at the thread + */ +enum membw_throttle_mode { + THREAD_THROTTLE_UNDEFINED = 0, + THREAD_THROTTLE_MAX, + THREAD_THROTTLE_PER_THREAD, +}; + +/** + * struct resctrl_membw - Memory bandwidth allocation related data + * @min_bw: Minimum memory bandwidth percentage user can request + * @bw_gran: Granularity at which the memory bandwidth is allocated + * @delay_linear: True if memory B/W delay is in linear scale + * @arch_needs_linear: True if we can't configure non-linear resources + * @throttle_mode: Bandwidth throttling mode when threads request + * different memory bandwidths + * @mba_sc: True if MBA software controller(mba_sc) is enabled + * @mb_map: Mapping of memory B/W percentage to memory B/W delay + */ +struct resctrl_membw { + u32 min_bw; + u32 bw_gran; + u32 delay_linear; + bool arch_needs_linear; + enum membw_throttle_mode throttle_mode; + bool mba_sc; + u32 *mb_map; +}; + +struct rdt_parse_data; +struct resctrl_schema; + +/** + * struct rdt_resource - attributes of a resctrl resource + * @rid: The index of the resource + * @alloc_enabled: Is allocation enabled on this machine + * @mon_enabled: Is monitoring enabled for this feature + * @alloc_capable: Is allocation available on this machine + * @mon_capable: Is monitor feature available on this machine + * @num_rmid: Number of RMIDs available + * @cache_level: Which cache level defines scope of this resource + * @cache: Cache allocation related data + * @membw: If the component has bandwidth controls, their properties. + * @domains: All domains for this resource + * @name: Name to use in "schemata" file. + * @data_width: Character width of data when displaying + * @default_ctrl: Specifies default cache cbm or memory B/W percent. + * @format_str: Per resource format string to show domain value + * @parse_ctrlval: Per resource function pointer to parse control values + * @evt_list: List of monitoring events + * @fflags: flags to choose base and info files + * @cdp_capable: Is the CDP feature available on this resource + */ +struct rdt_resource { + int rid; + bool alloc_enabled; + bool mon_enabled; + bool alloc_capable; + bool mon_capable; + int num_rmid; + int cache_level; + struct resctrl_cache cache; + struct resctrl_membw membw; + struct list_head domains; + char *name; + int data_width; + u32 default_ctrl; + const char *format_str; + int (*parse_ctrlval)(struct rdt_parse_data *data, + struct resctrl_schema *s, + struct rdt_domain *d); + struct list_head evt_list; + unsigned long fflags; + bool cdp_capable; +}; + +/** + * struct resctrl_schema - configuration abilities of a resource presented to + * user-space + * @list: Member of resctrl_schema_all. + * @name: The name to use in the "schemata" file. + * @conf_type: Whether this schema is specific to code/data. + * @res: The resource structure exported by the architecture to describe + * the hardware that is configured by this schema. + * @num_closid: The number of closid that can be used with this schema. When + * features like CDP are enabled, this will be lower than the + * hardware supports for the resource. + */ +struct resctrl_schema { + struct list_head list; + char name[8]; + enum resctrl_conf_type conf_type; + struct rdt_resource *res; + u32 num_closid; +}; + +/* The number of closid supported by this resource regardless of CDP */ +u32 resctrl_arch_get_num_closid(struct rdt_resource *r); +int resctrl_arch_update_domains(struct rdt_resource *r, u32 closid); +u32 resctrl_arch_get_config(struct rdt_resource *r, struct rdt_domain *d, + u32 closid, enum resctrl_conf_type type); + #endif /* _RESCTRL_H */ diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h index ec35814e0bbb..0fa4f60e1186 100644 --- a/include/linux/reset-controller.h +++ b/include/linux/reset-controller.h @@ -79,6 +79,7 @@ struct reset_controller_dev { unsigned int nr_resets; }; +#if IS_ENABLED(CONFIG_RESET_CONTROLLER) int reset_controller_register(struct reset_controller_dev *rcdev); void reset_controller_unregister(struct reset_controller_dev *rcdev); @@ -88,5 +89,26 @@ int devm_reset_controller_register(struct device *dev, void reset_controller_add_lookup(struct reset_control_lookup *lookup, unsigned int num_entries); +#else +static inline int reset_controller_register(struct reset_controller_dev *rcdev) +{ + return 0; +} + +static inline void reset_controller_unregister(struct reset_controller_dev *rcdev) +{ +} + +static inline int devm_reset_controller_register(struct device *dev, + struct reset_controller_dev *rcdev) +{ + return 0; +} + +static inline void reset_controller_add_lookup(struct reset_control_lookup *lookup, + unsigned int num_entries) +{ +} +#endif #endif diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 8d04e7deedc6..c976cc6de257 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -86,9 +86,6 @@ struct anon_vma_chain { }; enum ttu_flags { - TTU_MIGRATION = 0x1, /* migration mode */ - TTU_MUNLOCK = 0x2, /* munlock mode */ - TTU_SPLIT_HUGE_PMD = 0x4, /* split huge PMD if any */ TTU_IGNORE_MLOCK = 0x8, /* ignore mlock */ TTU_SYNC = 0x10, /* avoid racy checks with PVMW_SYNC */ @@ -98,7 +95,6 @@ enum ttu_flags { * do a final flush if necessary */ TTU_RMAP_LOCKED = 0x80, /* do not grab rmap lock: * caller holds it */ - TTU_SPLIT_FREEZE = 0x100, /* freeze pte under splitting thp */ }; #ifdef CONFIG_MMU @@ -195,7 +191,12 @@ static inline void page_dup_rmap(struct page *page, bool compound) int page_referenced(struct page *, int is_locked, struct mem_cgroup *memcg, unsigned long *vm_flags); -bool try_to_unmap(struct page *, enum ttu_flags flags); +void try_to_migrate(struct page *page, enum ttu_flags flags); +void try_to_unmap(struct page *, enum ttu_flags flags); + +int make_device_exclusive_range(struct mm_struct *mm, unsigned long start, + unsigned long end, struct page **pages, + void *arg); /* Avoid racy checks */ #define PVMW_SYNC (1 << 0) @@ -240,7 +241,7 @@ int page_mkclean(struct page *); * called in munlock()/munmap() path to check for other vmas holding * the page mlocked. */ -void try_to_munlock(struct page *); +void page_mlock(struct page *page); void remove_migration_ptes(struct page *old, struct page *new, bool locked); @@ -290,7 +291,9 @@ static inline int page_referenced(struct page *page, int is_locked, return 0; } -#define try_to_unmap(page, refs) false +static inline void try_to_unmap(struct page *page, enum ttu_flags flags) +{ +} static inline int page_mkclean(struct page *page) { diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index d1672de9ca89..9deedfeec2b1 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -13,12 +13,39 @@ #ifndef __LINUX_RT_MUTEX_H #define __LINUX_RT_MUTEX_H +#include <linux/compiler.h> #include <linux/linkage.h> -#include <linux/rbtree.h> -#include <linux/spinlock_types.h> +#include <linux/rbtree_types.h> +#include <linux/spinlock_types_raw.h> extern int max_lock_depth; /* for sysctl */ +struct rt_mutex_base { + raw_spinlock_t wait_lock; + struct rb_root_cached waiters; + struct task_struct *owner; +}; + +#define __RT_MUTEX_BASE_INITIALIZER(rtbasename) \ +{ \ + .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(rtbasename.wait_lock), \ + .waiters = RB_ROOT_CACHED, \ + .owner = NULL \ +} + +/** + * rt_mutex_base_is_locked - is the rtmutex locked + * @lock: the mutex to be queried + * + * Returns true if the mutex is locked, false if unlocked. + */ +static inline bool rt_mutex_base_is_locked(struct rt_mutex_base *lock) +{ + return READ_ONCE(lock->owner) != NULL; +} + +extern void rt_mutex_base_init(struct rt_mutex_base *rtb); + /** * The rt_mutex structure * @@ -28,9 +55,7 @@ extern int max_lock_depth; /* for sysctl */ * @owner: the mutex owner */ struct rt_mutex { - raw_spinlock_t wait_lock; - struct rb_root_cached waiters; - struct task_struct *owner; + struct rt_mutex_base rtmutex; #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; #endif @@ -52,32 +77,24 @@ do { \ } while (0) #ifdef CONFIG_DEBUG_LOCK_ALLOC -#define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \ - , .dep_map = { .name = #mutexname } +#define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \ + .dep_map = { \ + .name = #mutexname, \ + .wait_type_inner = LD_WAIT_SLEEP, \ + } #else #define __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) #endif -#define __RT_MUTEX_INITIALIZER(mutexname) \ - { .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(mutexname.wait_lock) \ - , .waiters = RB_ROOT_CACHED \ - , .owner = NULL \ - __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname)} +#define __RT_MUTEX_INITIALIZER(mutexname) \ +{ \ + .rtmutex = __RT_MUTEX_BASE_INITIALIZER(mutexname.rtmutex), \ + __DEP_MAP_RT_MUTEX_INITIALIZER(mutexname) \ +} #define DEFINE_RT_MUTEX(mutexname) \ struct rt_mutex mutexname = __RT_MUTEX_INITIALIZER(mutexname) -/** - * rt_mutex_is_locked - is the mutex locked - * @lock: the mutex to be queried - * - * Returns 1 if the mutex is locked, 0 if unlocked. - */ -static inline int rt_mutex_is_locked(struct rt_mutex *lock) -{ - return lock->owner != NULL; -} - extern void __rt_mutex_init(struct rt_mutex *lock, const char *name, struct lock_class_key *key); #ifdef CONFIG_DEBUG_LOCK_ALLOC diff --git a/include/linux/rwbase_rt.h b/include/linux/rwbase_rt.h new file mode 100644 index 000000000000..1d264dd08625 --- /dev/null +++ b/include/linux/rwbase_rt.h @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0-only +#ifndef _LINUX_RWBASE_RT_H +#define _LINUX_RWBASE_RT_H + +#include <linux/rtmutex.h> +#include <linux/atomic.h> + +#define READER_BIAS (1U << 31) +#define WRITER_BIAS (1U << 30) + +struct rwbase_rt { + atomic_t readers; + struct rt_mutex_base rtmutex; +}; + +#define __RWBASE_INITIALIZER(name) \ +{ \ + .readers = ATOMIC_INIT(READER_BIAS), \ + .rtmutex = __RT_MUTEX_BASE_INITIALIZER(name.rtmutex), \ +} + +#define init_rwbase_rt(rwbase) \ + do { \ + rt_mutex_base_init(&(rwbase)->rtmutex); \ + atomic_set(&(rwbase)->readers, READER_BIAS); \ + } while (0) + + +static __always_inline bool rw_base_is_locked(struct rwbase_rt *rwb) +{ + return atomic_read(&rwb->readers) != READER_BIAS; +} + +static __always_inline bool rw_base_is_contended(struct rwbase_rt *rwb) +{ + return atomic_read(&rwb->readers) > 0; +} + +#endif /* _LINUX_RWBASE_RT_H */ diff --git a/include/linux/rwlock_rt.h b/include/linux/rwlock_rt.h new file mode 100644 index 000000000000..49c1f3842ed5 --- /dev/null +++ b/include/linux/rwlock_rt.h @@ -0,0 +1,140 @@ +// SPDX-License-Identifier: GPL-2.0-only +#ifndef __LINUX_RWLOCK_RT_H +#define __LINUX_RWLOCK_RT_H + +#ifndef __LINUX_SPINLOCK_RT_H +#error Do not #include directly. Use <linux/spinlock.h>. +#endif + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +extern void __rt_rwlock_init(rwlock_t *rwlock, const char *name, + struct lock_class_key *key); +#else +static inline void __rt_rwlock_init(rwlock_t *rwlock, char *name, + struct lock_class_key *key) +{ +} +#endif + +#define rwlock_init(rwl) \ +do { \ + static struct lock_class_key __key; \ + \ + init_rwbase_rt(&(rwl)->rwbase); \ + __rt_rwlock_init(rwl, #rwl, &__key); \ +} while (0) + +extern void rt_read_lock(rwlock_t *rwlock); +extern int rt_read_trylock(rwlock_t *rwlock); +extern void rt_read_unlock(rwlock_t *rwlock); +extern void rt_write_lock(rwlock_t *rwlock); +extern int rt_write_trylock(rwlock_t *rwlock); +extern void rt_write_unlock(rwlock_t *rwlock); + +static __always_inline void read_lock(rwlock_t *rwlock) +{ + rt_read_lock(rwlock); +} + +static __always_inline void read_lock_bh(rwlock_t *rwlock) +{ + local_bh_disable(); + rt_read_lock(rwlock); +} + +static __always_inline void read_lock_irq(rwlock_t *rwlock) +{ + rt_read_lock(rwlock); +} + +#define read_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + rt_read_lock(lock); \ + flags = 0; \ + } while (0) + +#define read_trylock(lock) __cond_lock(lock, rt_read_trylock(lock)) + +static __always_inline void read_unlock(rwlock_t *rwlock) +{ + rt_read_unlock(rwlock); +} + +static __always_inline void read_unlock_bh(rwlock_t *rwlock) +{ + rt_read_unlock(rwlock); + local_bh_enable(); +} + +static __always_inline void read_unlock_irq(rwlock_t *rwlock) +{ + rt_read_unlock(rwlock); +} + +static __always_inline void read_unlock_irqrestore(rwlock_t *rwlock, + unsigned long flags) +{ + rt_read_unlock(rwlock); +} + +static __always_inline void write_lock(rwlock_t *rwlock) +{ + rt_write_lock(rwlock); +} + +static __always_inline void write_lock_bh(rwlock_t *rwlock) +{ + local_bh_disable(); + rt_write_lock(rwlock); +} + +static __always_inline void write_lock_irq(rwlock_t *rwlock) +{ + rt_write_lock(rwlock); +} + +#define write_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + rt_write_lock(lock); \ + flags = 0; \ + } while (0) + +#define write_trylock(lock) __cond_lock(lock, rt_write_trylock(lock)) + +#define write_trylock_irqsave(lock, flags) \ +({ \ + int __locked; \ + \ + typecheck(unsigned long, flags); \ + flags = 0; \ + __locked = write_trylock(lock); \ + __locked; \ +}) + +static __always_inline void write_unlock(rwlock_t *rwlock) +{ + rt_write_unlock(rwlock); +} + +static __always_inline void write_unlock_bh(rwlock_t *rwlock) +{ + rt_write_unlock(rwlock); + local_bh_enable(); +} + +static __always_inline void write_unlock_irq(rwlock_t *rwlock) +{ + rt_write_unlock(rwlock); +} + +static __always_inline void write_unlock_irqrestore(rwlock_t *rwlock, + unsigned long flags) +{ + rt_write_unlock(rwlock); +} + +#define rwlock_is_contended(lock) (((void)(lock), 0)) + +#endif /* __LINUX_RWLOCK_RT_H */ diff --git a/include/linux/rwlock_types.h b/include/linux/rwlock_types.h index 3bd03e18061c..1948442e7750 100644 --- a/include/linux/rwlock_types.h +++ b/include/linux/rwlock_types.h @@ -1,9 +1,23 @@ #ifndef __LINUX_RWLOCK_TYPES_H #define __LINUX_RWLOCK_TYPES_H +#if !defined(__LINUX_SPINLOCK_TYPES_H) +# error "Do not include directly, include spinlock_types.h" +#endif + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define RW_DEP_MAP_INIT(lockname) \ + .dep_map = { \ + .name = #lockname, \ + .wait_type_inner = LD_WAIT_CONFIG, \ + } +#else +# define RW_DEP_MAP_INIT(lockname) +#endif + +#ifndef CONFIG_PREEMPT_RT /* - * include/linux/rwlock_types.h - generic rwlock type definitions - * and initializers + * generic rwlock type definitions and initializers * * portions Copyright 2005, Red Hat, Inc., Ingo Molnar * Released under the General Public License (GPL). @@ -21,16 +35,6 @@ typedef struct { #define RWLOCK_MAGIC 0xdeaf1eed -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define RW_DEP_MAP_INIT(lockname) \ - .dep_map = { \ - .name = #lockname, \ - .wait_type_inner = LD_WAIT_CONFIG, \ - } -#else -# define RW_DEP_MAP_INIT(lockname) -#endif - #ifdef CONFIG_DEBUG_SPINLOCK #define __RW_LOCK_UNLOCKED(lockname) \ (rwlock_t) { .raw_lock = __ARCH_RW_LOCK_UNLOCKED, \ @@ -46,4 +50,29 @@ typedef struct { #define DEFINE_RWLOCK(x) rwlock_t x = __RW_LOCK_UNLOCKED(x) +#else /* !CONFIG_PREEMPT_RT */ + +#include <linux/rwbase_rt.h> + +typedef struct { + struct rwbase_rt rwbase; + atomic_t readers; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +} rwlock_t; + +#define __RWLOCK_RT_INITIALIZER(name) \ +{ \ + .rwbase = __RWBASE_INITIALIZER(name), \ + RW_DEP_MAP_INIT(name) \ +} + +#define __RW_LOCK_UNLOCKED(name) __RWLOCK_RT_INITIALIZER(name) + +#define DEFINE_RWLOCK(name) \ + rwlock_t name = __RW_LOCK_UNLOCKED(name) + +#endif /* CONFIG_PREEMPT_RT */ + #endif /* __LINUX_RWLOCK_TYPES_H */ diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index a66038d88878..352c6127cb90 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -16,6 +16,19 @@ #include <linux/spinlock.h> #include <linux/atomic.h> #include <linux/err.h> + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define __RWSEM_DEP_MAP_INIT(lockname) \ + .dep_map = { \ + .name = #lockname, \ + .wait_type_inner = LD_WAIT_SLEEP, \ + }, +#else +# define __RWSEM_DEP_MAP_INIT(lockname) +#endif + +#ifndef CONFIG_PREEMPT_RT + #ifdef CONFIG_RWSEM_SPIN_ON_OWNER #include <linux/osq_lock.h> #endif @@ -64,16 +77,6 @@ static inline int rwsem_is_locked(struct rw_semaphore *sem) /* Common initializer macros and functions */ -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define __RWSEM_DEP_MAP_INIT(lockname) \ - .dep_map = { \ - .name = #lockname, \ - .wait_type_inner = LD_WAIT_SLEEP, \ - }, -#else -# define __RWSEM_DEP_MAP_INIT(lockname) -#endif - #ifdef CONFIG_DEBUG_RWSEMS # define __RWSEM_DEBUG_INIT(lockname) .magic = &lockname, #else @@ -119,6 +122,53 @@ static inline int rwsem_is_contended(struct rw_semaphore *sem) return !list_empty(&sem->wait_list); } +#else /* !CONFIG_PREEMPT_RT */ + +#include <linux/rwbase_rt.h> + +struct rw_semaphore { + struct rwbase_rt rwbase; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +}; + +#define __RWSEM_INITIALIZER(name) \ + { \ + .rwbase = __RWBASE_INITIALIZER(name), \ + __RWSEM_DEP_MAP_INIT(name) \ + } + +#define DECLARE_RWSEM(lockname) \ + struct rw_semaphore lockname = __RWSEM_INITIALIZER(lockname) + +extern void __init_rwsem(struct rw_semaphore *rwsem, const char *name, + struct lock_class_key *key); + +#define init_rwsem(sem) \ +do { \ + static struct lock_class_key __key; \ + \ + __init_rwsem((sem), #sem, &__key); \ +} while (0) + +static __always_inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return rw_base_is_locked(&sem->rwbase); +} + +static __always_inline int rwsem_is_contended(struct rw_semaphore *sem) +{ + return rw_base_is_contended(&sem->rwbase); +} + +#endif /* CONFIG_PREEMPT_RT */ + +/* + * The functions below are the same for all rwsem implementations including + * the RT specific variant. + */ + /* * lock for reading */ diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h index 6f70572b2938..266754a55327 100644 --- a/include/linux/scatterlist.h +++ b/include/linux/scatterlist.h @@ -39,6 +39,12 @@ struct sg_table { unsigned int orig_nents; /* original size of list */ }; +struct sg_append_table { + struct sg_table sgt; /* The scatter list table */ + struct scatterlist *prv; /* last populated sge in the table */ + unsigned int total_nents; /* Total entries in the table */ +}; + /* * Notes on SG table design. * @@ -280,19 +286,51 @@ typedef struct scatterlist *(sg_alloc_fn)(unsigned int, gfp_t); typedef void (sg_free_fn)(struct scatterlist *, unsigned int); void __sg_free_table(struct sg_table *, unsigned int, unsigned int, - sg_free_fn *); + sg_free_fn *, unsigned int); void sg_free_table(struct sg_table *); +void sg_free_append_table(struct sg_append_table *sgt); int __sg_alloc_table(struct sg_table *, unsigned int, unsigned int, struct scatterlist *, unsigned int, gfp_t, sg_alloc_fn *); int sg_alloc_table(struct sg_table *, unsigned int, gfp_t); -struct scatterlist *__sg_alloc_table_from_pages(struct sg_table *sgt, - struct page **pages, unsigned int n_pages, unsigned int offset, - unsigned long size, unsigned int max_segment, - struct scatterlist *prv, unsigned int left_pages, - gfp_t gfp_mask); -int sg_alloc_table_from_pages(struct sg_table *sgt, struct page **pages, - unsigned int n_pages, unsigned int offset, - unsigned long size, gfp_t gfp_mask); +int sg_alloc_append_table_from_pages(struct sg_append_table *sgt, + struct page **pages, unsigned int n_pages, + unsigned int offset, unsigned long size, + unsigned int max_segment, + unsigned int left_pages, gfp_t gfp_mask); +int sg_alloc_table_from_pages_segment(struct sg_table *sgt, struct page **pages, + unsigned int n_pages, unsigned int offset, + unsigned long size, + unsigned int max_segment, gfp_t gfp_mask); + +/** + * sg_alloc_table_from_pages - Allocate and initialize an sg table from + * an array of pages + * @sgt: The sg table header to use + * @pages: Pointer to an array of page pointers + * @n_pages: Number of pages in the pages array + * @offset: Offset from start of the first page to the start of a buffer + * @size: Number of valid bytes in the buffer (after offset) + * @gfp_mask: GFP allocation mask + * + * Description: + * Allocate and initialize an sg table from a list of pages. Contiguous + * ranges of the pages are squashed into a single scatterlist node. A user + * may provide an offset at a start and a size of valid data in a buffer + * specified by the page array. The returned sg table is released by + * sg_free_table. + * + * Returns: + * 0 on success, negative error on failure + */ +static inline int sg_alloc_table_from_pages(struct sg_table *sgt, + struct page **pages, + unsigned int n_pages, + unsigned int offset, + unsigned long size, gfp_t gfp_mask) +{ + return sg_alloc_table_from_pages_segment(sgt, pages, n_pages, offset, + size, UINT_MAX, gfp_mask); +} #ifdef CONFIG_SGL_ALLOC struct scatterlist *sgl_alloc_order(unsigned long long length, @@ -474,7 +512,7 @@ sg_page_iter_dma_address(struct sg_dma_page_iter *dma_iter) * Iterates over sg entries mapping page-by-page. On each successful * iteration, @miter->page points to the mapped page and * @miter->length bytes of data can be accessed at @miter->addr. As - * long as an interation is enclosed between start and stop, the user + * long as an iteration is enclosed between start and stop, the user * is free to choose control structure and when to stop. * * @miter->consumed is set to @miter->length on each iteration. It diff --git a/include/linux/sched.h b/include/linux/sched.h index 32813c345115..c1a927ddec64 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -42,6 +42,7 @@ struct backing_dev_info; struct bio_list; struct blk_plug; struct bpf_local_storage; +struct bpf_run_ctx; struct capture_control; struct cfs_rq; struct fs_struct; @@ -95,7 +96,9 @@ struct task_group; #define TASK_WAKING 0x0200 #define TASK_NOLOAD 0x0400 #define TASK_NEW 0x0800 -#define TASK_STATE_MAX 0x1000 +/* RT specific auxilliary flag to mark RT lock waiters */ +#define TASK_RTLOCK_WAIT 0x1000 +#define TASK_STATE_MAX 0x2000 /* Convenience macros for the sake of set_current_state: */ #define TASK_KILLABLE (TASK_WAKEKILL | TASK_UNINTERRUPTIBLE) @@ -113,13 +116,13 @@ struct task_group; __TASK_TRACED | EXIT_DEAD | EXIT_ZOMBIE | \ TASK_PARKED) -#define task_is_traced(task) ((task->state & __TASK_TRACED) != 0) +#define task_is_running(task) (READ_ONCE((task)->__state) == TASK_RUNNING) -#define task_is_stopped(task) ((task->state & __TASK_STOPPED) != 0) +#define task_is_traced(task) ((READ_ONCE(task->__state) & __TASK_TRACED) != 0) -#define task_is_stopped_or_traced(task) ((task->state & (__TASK_STOPPED | __TASK_TRACED)) != 0) +#define task_is_stopped(task) ((READ_ONCE(task->__state) & __TASK_STOPPED) != 0) -#ifdef CONFIG_DEBUG_ATOMIC_SLEEP +#define task_is_stopped_or_traced(task) ((READ_ONCE(task->__state) & (__TASK_STOPPED | __TASK_TRACED)) != 0) /* * Special states are those that do not use the normal wait-loop pattern. See @@ -128,30 +131,37 @@ struct task_group; #define is_special_task_state(state) \ ((state) & (__TASK_STOPPED | __TASK_TRACED | TASK_PARKED | TASK_DEAD)) -#define __set_current_state(state_value) \ - do { \ - WARN_ON_ONCE(is_special_task_state(state_value));\ - current->task_state_change = _THIS_IP_; \ - current->state = (state_value); \ - } while (0) - -#define set_current_state(state_value) \ - do { \ - WARN_ON_ONCE(is_special_task_state(state_value));\ - current->task_state_change = _THIS_IP_; \ - smp_store_mb(current->state, (state_value)); \ +#ifdef CONFIG_DEBUG_ATOMIC_SLEEP +# define debug_normal_state_change(state_value) \ + do { \ + WARN_ON_ONCE(is_special_task_state(state_value)); \ + current->task_state_change = _THIS_IP_; \ } while (0) -#define set_special_state(state_value) \ +# define debug_special_state_change(state_value) \ do { \ - unsigned long flags; /* may shadow */ \ WARN_ON_ONCE(!is_special_task_state(state_value)); \ - raw_spin_lock_irqsave(¤t->pi_lock, flags); \ current->task_state_change = _THIS_IP_; \ - current->state = (state_value); \ - raw_spin_unlock_irqrestore(¤t->pi_lock, flags); \ } while (0) + +# define debug_rtlock_wait_set_state() \ + do { \ + current->saved_state_change = current->task_state_change;\ + current->task_state_change = _THIS_IP_; \ + } while (0) + +# define debug_rtlock_wait_restore_state() \ + do { \ + current->task_state_change = current->saved_state_change;\ + } while (0) + #else +# define debug_normal_state_change(cond) do { } while (0) +# define debug_special_state_change(cond) do { } while (0) +# define debug_rtlock_wait_set_state() do { } while (0) +# define debug_rtlock_wait_restore_state() do { } while (0) +#endif + /* * set_current_state() includes a barrier so that the write of current->state * is correctly serialised wrt the caller's subsequent test of whether to @@ -190,26 +200,79 @@ struct task_group; * Also see the comments of try_to_wake_up(). */ #define __set_current_state(state_value) \ - current->state = (state_value) + do { \ + debug_normal_state_change((state_value)); \ + WRITE_ONCE(current->__state, (state_value)); \ + } while (0) #define set_current_state(state_value) \ - smp_store_mb(current->state, (state_value)) + do { \ + debug_normal_state_change((state_value)); \ + smp_store_mb(current->__state, (state_value)); \ + } while (0) /* * set_special_state() should be used for those states when the blocking task * can not use the regular condition based wait-loop. In that case we must - * serialize against wakeups such that any possible in-flight TASK_RUNNING stores - * will not collide with our state change. + * serialize against wakeups such that any possible in-flight TASK_RUNNING + * stores will not collide with our state change. */ #define set_special_state(state_value) \ do { \ unsigned long flags; /* may shadow */ \ + \ raw_spin_lock_irqsave(¤t->pi_lock, flags); \ - current->state = (state_value); \ + debug_special_state_change((state_value)); \ + WRITE_ONCE(current->__state, (state_value)); \ raw_spin_unlock_irqrestore(¤t->pi_lock, flags); \ } while (0) -#endif +/* + * PREEMPT_RT specific variants for "sleeping" spin/rwlocks + * + * RT's spin/rwlock substitutions are state preserving. The state of the + * task when blocking on the lock is saved in task_struct::saved_state and + * restored after the lock has been acquired. These operations are + * serialized by task_struct::pi_lock against try_to_wake_up(). Any non RT + * lock related wakeups while the task is blocked on the lock are + * redirected to operate on task_struct::saved_state to ensure that these + * are not dropped. On restore task_struct::saved_state is set to + * TASK_RUNNING so any wakeup attempt redirected to saved_state will fail. + * + * The lock operation looks like this: + * + * current_save_and_set_rtlock_wait_state(); + * for (;;) { + * if (try_lock()) + * break; + * raw_spin_unlock_irq(&lock->wait_lock); + * schedule_rtlock(); + * raw_spin_lock_irq(&lock->wait_lock); + * set_current_state(TASK_RTLOCK_WAIT); + * } + * current_restore_rtlock_saved_state(); + */ +#define current_save_and_set_rtlock_wait_state() \ + do { \ + lockdep_assert_irqs_disabled(); \ + raw_spin_lock(¤t->pi_lock); \ + current->saved_state = current->__state; \ + debug_rtlock_wait_set_state(); \ + WRITE_ONCE(current->__state, TASK_RTLOCK_WAIT); \ + raw_spin_unlock(¤t->pi_lock); \ + } while (0); + +#define current_restore_rtlock_saved_state() \ + do { \ + lockdep_assert_irqs_disabled(); \ + raw_spin_lock(¤t->pi_lock); \ + debug_rtlock_wait_restore_state(); \ + WRITE_ONCE(current->__state, current->saved_state); \ + current->saved_state = TASK_RUNNING; \ + raw_spin_unlock(¤t->pi_lock); \ + } while (0); + +#define get_current_state() READ_ONCE(current->__state) /* Task command name length: */ #define TASK_COMM_LEN 16 @@ -226,6 +289,9 @@ extern long schedule_timeout_idle(long timeout); asmlinkage void schedule(void); extern void schedule_preempt_disabled(void); asmlinkage void preempt_schedule_irq(void); +#ifdef CONFIG_PREEMPT_RT + extern void schedule_rtlock(void); +#endif extern int __must_check io_schedule_prepare(void); extern void io_schedule_finish(int token); @@ -662,8 +728,12 @@ struct task_struct { */ struct thread_info thread_info; #endif - /* -1 unrunnable, 0 runnable, >0 stopped: */ - volatile long state; + unsigned int __state; + +#ifdef CONFIG_PREEMPT_RT + /* saved state for "spinlock sleepers" */ + unsigned int saved_state; +#endif /* * This begins the randomizable portion of task_struct. Only @@ -708,10 +778,17 @@ struct task_struct { const struct sched_class *sched_class; struct sched_entity se; struct sched_rt_entity rt; + struct sched_dl_entity dl; + +#ifdef CONFIG_SCHED_CORE + struct rb_node core_node; + unsigned long core_cookie; + unsigned int core_occupation; +#endif + #ifdef CONFIG_CGROUP_SCHED struct task_group *sched_task_group; #endif - struct sched_dl_entity dl; #ifdef CONFIG_UCLAMP_TASK /* @@ -738,6 +815,7 @@ struct task_struct { unsigned int policy; int nr_cpus_allowed; const cpumask_t *cpus_ptr; + cpumask_t *user_cpus_ptr; cpumask_t cpus_mask; void *migration_pending; #ifdef CONFIG_SMP @@ -853,6 +931,10 @@ struct task_struct { /* Used by page_owner=on to detect recursion in page tracking. */ unsigned in_page_owner:1; #endif +#ifdef CONFIG_EVENTFD + /* Recursion prevention for eventfd_signal() */ + unsigned in_eventfd_signal:1; +#endif unsigned long atomic_flags; /* Flags requiring atomic access. */ @@ -1347,6 +1429,9 @@ struct task_struct { struct kmap_ctrl kmap_ctrl; #ifdef CONFIG_DEBUG_ATOMIC_SLEEP unsigned long task_state_change; +# ifdef CONFIG_PREEMPT_RT + unsigned long saved_state_change; +# endif #endif int pagefault_disabled; #ifdef CONFIG_MMU @@ -1369,6 +1454,8 @@ struct task_struct { #ifdef CONFIG_BPF_SYSCALL /* Used by BPF task local storage */ struct bpf_local_storage __rcu *bpf_storage; + /* Used for BPF run context */ + struct bpf_run_ctx *bpf_ctx; #endif #ifdef CONFIG_GCC_PLUGIN_STACKLEAK @@ -1384,12 +1471,23 @@ struct task_struct { mce_whole_page : 1, __mce_reserved : 62; struct callback_head mce_kill_me; + int mce_count; #endif #ifdef CONFIG_KRETPROBES struct llist_head kretprobe_instances; #endif +#ifdef CONFIG_ARCH_HAS_PARANOID_L1D_FLUSH + /* + * If L1D flush is supported on mm context switch + * then we use this callback head to queue kill work + * to kill tasks that are not running on SMT disabled + * cores + */ + struct callback_head l1d_flush_kill; +#endif + /* * New fields for task_struct should be added above here, so that * they are included in the randomized portion of task_struct. @@ -1520,7 +1618,7 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk) static inline unsigned int task_state_index(struct task_struct *tsk) { - unsigned int tsk_state = READ_ONCE(tsk->state); + unsigned int tsk_state = READ_ONCE(tsk->__state); unsigned int state = (tsk_state | tsk->exit_state) & TASK_REPORT; BUILD_BUG_ON_NOT_POWER_OF_2(TASK_REPORT_MAX); @@ -1622,7 +1720,7 @@ extern struct pid *cad_pid; #define tsk_used_math(p) ((p)->flags & PF_USED_MATH) #define used_math() tsk_used_math(current) -static inline bool is_percpu_thread(void) +static __always_inline bool is_percpu_thread(void) { #ifdef CONFIG_SMP return (current->flags & PF_NO_SETAFFINITY) && @@ -1695,6 +1793,11 @@ extern int task_can_attach(struct task_struct *p, const struct cpumask *cs_cpus_ #ifdef CONFIG_SMP extern void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask); extern int set_cpus_allowed_ptr(struct task_struct *p, const struct cpumask *new_mask); +extern int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src, int node); +extern void release_user_cpus_ptr(struct task_struct *p); +extern int dl_task_check_affinity(struct task_struct *p, const struct cpumask *mask); +extern void force_compatible_cpus_allowed_ptr(struct task_struct *p); +extern void relax_compatible_cpus_allowed_ptr(struct task_struct *p); #else static inline void do_set_cpus_allowed(struct task_struct *p, const struct cpumask *new_mask) { @@ -1705,6 +1808,21 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p, const struct cpuma return -EINVAL; return 0; } +static inline int dup_user_cpus_ptr(struct task_struct *dst, struct task_struct *src, int node) +{ + if (src->user_cpus_ptr) + return -EINVAL; + return 0; +} +static inline void release_user_cpus_ptr(struct task_struct *p) +{ + WARN_ON(p->user_cpus_ptr); +} + +static inline int dl_task_check_affinity(struct task_struct *p, const struct cpumask *mask) +{ + return 0; +} #endif extern int yield_to(struct task_struct *p, bool preempt); @@ -1828,10 +1946,10 @@ static __always_inline void scheduler_ipi(void) */ preempt_fold_need_resched(); } -extern unsigned long wait_task_inactive(struct task_struct *, long match_state); +extern unsigned long wait_task_inactive(struct task_struct *, unsigned int match_state); #else static inline void scheduler_ipi(void) { } -static inline unsigned long wait_task_inactive(struct task_struct *p, long match_state) +static inline unsigned long wait_task_inactive(struct task_struct *p, unsigned int match_state) { return 1; } @@ -2018,6 +2136,8 @@ static inline void set_task_cpu(struct task_struct *p, unsigned int cpu) #endif /* CONFIG_SMP */ +extern bool sched_task_on_rq(struct task_struct *p); + /* * In order to reduce various lock holder preemption latencies provide an * interface to see if a vCPU is currently running or not. @@ -2179,4 +2299,14 @@ int sched_trace_rq_nr_running(struct rq *rq); const struct cpumask *sched_trace_rd_span(struct root_domain *rd); +#ifdef CONFIG_SCHED_CORE +extern void sched_core_free(struct task_struct *tsk); +extern void sched_core_fork(struct task_struct *p); +extern int sched_core_share_pid(unsigned int cmd, pid_t pid, enum pid_type type, + unsigned long uaddr); +#else +static inline void sched_core_free(struct task_struct *tsk) { } +static inline void sched_core_fork(struct task_struct *p) { } +#endif + #endif diff --git a/include/linux/sched/coredump.h b/include/linux/sched/coredump.h index dfd82eab2902..4d9e3a656875 100644 --- a/include/linux/sched/coredump.h +++ b/include/linux/sched/coredump.h @@ -73,6 +73,14 @@ static inline int get_dumpable(struct mm_struct *mm) #define MMF_OOM_VICTIM 25 /* mm is the oom victim */ #define MMF_OOM_REAP_QUEUED 26 /* mm was queued for oom_reaper */ #define MMF_MULTIPROCESS 27 /* mm is shared between processes */ +/* + * MMF_HAS_PINNED: Whether this mm has pinned any pages. This can be either + * replaced in the future by mm.pinned_vm when it becomes stable, or grow into + * a counter on its own. We're aggresive on this bit for now: even if the + * pinned pages were unpinned later on, we'll still keep this bit set for the + * lifecycle of this mm, just for simplicity. + */ +#define MMF_HAS_PINNED 28 /* FOLL_PIN has run, never cleared */ #define MMF_DISABLE_THP_MASK (1 << MMF_DISABLE_THP) #define MMF_INIT_MASK (MMF_DUMPABLE_MASK | MMF_DUMP_FILTER_MASK |\ diff --git a/include/linux/sched/cpufreq.h b/include/linux/sched/cpufreq.h index 6205578ab6ee..bdd31ab93bc5 100644 --- a/include/linux/sched/cpufreq.h +++ b/include/linux/sched/cpufreq.h @@ -26,7 +26,7 @@ bool cpufreq_this_cpu_can_update(struct cpufreq_policy *policy); static inline unsigned long map_util_freq(unsigned long util, unsigned long freq, unsigned long cap) { - return (freq + (freq >> 2)) * util / cap; + return freq * util / cap; } static inline unsigned long map_util_perf(unsigned long util) diff --git a/include/linux/sched/debug.h b/include/linux/sched/debug.h index ae51f4529fc9..b5035afa2396 100644 --- a/include/linux/sched/debug.h +++ b/include/linux/sched/debug.h @@ -14,7 +14,7 @@ extern void dump_cpu_task(int cpu); /* * Only dump TASK_* tasks. (0 for all tasks) */ -extern void show_state_filter(unsigned long state_filter); +extern void show_state_filter(unsigned int state_filter); static inline void show_state(void) { diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index e24b1fe348e3..5561486fddef 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -174,13 +174,13 @@ static inline gfp_t current_gfp_context(gfp_t flags) } #ifdef CONFIG_LOCKDEP -extern void __fs_reclaim_acquire(void); -extern void __fs_reclaim_release(void); +extern void __fs_reclaim_acquire(unsigned long ip); +extern void __fs_reclaim_release(unsigned long ip); extern void fs_reclaim_acquire(gfp_t gfp_mask); extern void fs_reclaim_release(gfp_t gfp_mask); #else -static inline void __fs_reclaim_acquire(void) { } -static inline void __fs_reclaim_release(void) { } +static inline void __fs_reclaim_acquire(unsigned long ip) { } +static inline void __fs_reclaim_release(unsigned long ip) { } static inline void fs_reclaim_acquire(gfp_t gfp_mask) { } static inline void fs_reclaim_release(gfp_t gfp_mask) { } #endif @@ -306,7 +306,7 @@ set_active_memcg(struct mem_cgroup *memcg) { struct mem_cgroup *old; - if (in_interrupt()) { + if (!in_task()) { old = this_cpu_read(int_active_memcg); this_cpu_write(int_active_memcg, memcg); } else { diff --git a/include/linux/sched/sd_flags.h b/include/linux/sched/sd_flags.h index 34b21e971d77..57bde66d95f7 100644 --- a/include/linux/sched/sd_flags.h +++ b/include/linux/sched/sd_flags.h @@ -91,6 +91,16 @@ SD_FLAG(SD_WAKE_AFFINE, SDF_SHARED_CHILD) SD_FLAG(SD_ASYM_CPUCAPACITY, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS) /* + * Domain members have different CPU capacities spanning all unique CPU + * capacity values. + * + * SHARED_PARENT: Set from the topmost domain down to the first domain where + * all available CPU capacities are visible + * NEEDS_GROUPS: Per-CPU capacity is asymmetric between groups. + */ +SD_FLAG(SD_ASYM_CPUCAPACITY_FULL, SDF_SHARED_PARENT | SDF_NEEDS_GROUPS) + +/* * Domain members share CPU capacity (i.e. SMT) * * SHARED_CHILD: Set from the base domain up until spanned CPUs no longer share diff --git a/include/linux/sched/signal.h b/include/linux/sched/signal.h index 7f4278fa21fe..e5f4ce622ee6 100644 --- a/include/linux/sched/signal.h +++ b/include/linux/sched/signal.h @@ -298,11 +298,6 @@ static inline void kernel_signal_stop(void) schedule(); } -#ifdef __ARCH_SI_TRAPNO -# define ___ARCH_SI_TRAPNO(_a1) , _a1 -#else -# define ___ARCH_SI_TRAPNO(_a1) -#endif #ifdef __ia64__ # define ___ARCH_SI_IA64(_a1, _a2, _a3) , _a1, _a2, _a3 #else @@ -310,14 +305,11 @@ static inline void kernel_signal_stop(void) #endif int force_sig_fault_to_task(int sig, int code, void __user *addr - ___ARCH_SI_TRAPNO(int trapno) ___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr) , struct task_struct *t); int force_sig_fault(int sig, int code, void __user *addr - ___ARCH_SI_TRAPNO(int trapno) ___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr)); int send_sig_fault(int sig, int code, void __user *addr - ___ARCH_SI_TRAPNO(int trapno) ___ARCH_SI_IA64(int imm, unsigned int flags, unsigned long isr) , struct task_struct *t); @@ -329,6 +321,10 @@ int force_sig_pkuerr(void __user *addr, u32 pkey); int force_sig_perf(void __user *addr, u32 type, u64 sig_data); int force_sig_ptrace_errno_trap(int errno, void __user *addr); +int force_sig_fault_trapno(int sig, int code, void __user *addr, int trapno); +int send_sig_fault_trapno(int sig, int code, void __user *addr, int trapno, + struct task_struct *t); +int force_sig_seccomp(int syscall, int reason, bool force_coredump); extern int send_sig_info(int, struct kernel_siginfo *, struct task_struct *); extern void force_sigsegv(int sig); @@ -382,7 +378,7 @@ static inline int fatal_signal_pending(struct task_struct *p) return task_sigpending(p) && __fatal_signal_pending(p); } -static inline int signal_pending_state(long state, struct task_struct *p) +static inline int signal_pending_state(unsigned int state, struct task_struct *p) { if (!(state & (TASK_INTERRUPTIBLE | TASK_WAKEKILL))) return 0; @@ -538,6 +534,17 @@ static inline int kill_cad_pid(int sig, int priv) #define SEND_SIG_NOINFO ((struct kernel_siginfo *) 0) #define SEND_SIG_PRIV ((struct kernel_siginfo *) 1) +static inline int __on_sig_stack(unsigned long sp) +{ +#ifdef CONFIG_STACK_GROWSUP + return sp >= current->sas_ss_sp && + sp - current->sas_ss_sp < current->sas_ss_size; +#else + return sp > current->sas_ss_sp && + sp - current->sas_ss_sp <= current->sas_ss_size; +#endif +} + /* * True if we are on the alternate signal stack. */ @@ -555,13 +562,7 @@ static inline int on_sig_stack(unsigned long sp) if (current->sas_ss_flags & SS_AUTODISARM) return 0; -#ifdef CONFIG_STACK_GROWSUP - return sp >= current->sas_ss_sp && - sp - current->sas_ss_sp < current->sas_ss_size; -#else - return sp > current->sas_ss_sp && - sp - current->sas_ss_sp <= current->sas_ss_size; -#endif + return __on_sig_stack(sp); } static inline int sas_ss_flags(unsigned long sp) @@ -709,6 +710,12 @@ static inline void unlock_task_sighand(struct task_struct *task, spin_unlock_irqrestore(&task->sighand->siglock, *flags); } +#ifdef CONFIG_LOCKDEP +extern void lockdep_assert_task_sighand_held(struct task_struct *task); +#else +static inline void lockdep_assert_task_sighand_held(struct task_struct *task) { } +#endif + static inline unsigned long task_rlimit(const struct task_struct *task, unsigned int limit) { diff --git a/include/linux/sched/stat.h b/include/linux/sched/stat.h index 568286411b43..0108a38bb64d 100644 --- a/include/linux/sched/stat.h +++ b/include/linux/sched/stat.h @@ -3,6 +3,7 @@ #define _LINUX_SCHED_STAT_H #include <linux/percpu.h> +#include <linux/kconfig.h> /* * Various counters maintained by the scheduler and fork(), @@ -16,21 +17,14 @@ extern unsigned long total_forks; extern int nr_threads; DECLARE_PER_CPU(unsigned long, process_counts); extern int nr_processes(void); -extern unsigned long nr_running(void); +extern unsigned int nr_running(void); extern bool single_task_running(void); -extern unsigned long nr_iowait(void); -extern unsigned long nr_iowait_cpu(int cpu); +extern unsigned int nr_iowait(void); +extern unsigned int nr_iowait_cpu(int cpu); static inline int sched_info_on(void) { -#ifdef CONFIG_SCHEDSTATS - return 1; -#elif defined(CONFIG_TASK_DELAY_ACCT) - extern int delayacct_on; - return delayacct_on; -#else - return 0; -#endif + return IS_ENABLED(CONFIG_SCHED_INFO); } #ifdef CONFIG_SCHEDSTATS diff --git a/include/linux/sched/sysctl.h b/include/linux/sched/sysctl.h index db2c0f34aaaf..304f431178fd 100644 --- a/include/linux/sched/sysctl.h +++ b/include/linux/sched/sysctl.h @@ -28,30 +28,12 @@ enum { sysctl_hung_task_timeout_secs = 0 }; extern unsigned int sysctl_sched_child_runs_first; -extern unsigned int sysctl_sched_latency; -extern unsigned int sysctl_sched_min_granularity; -extern unsigned int sysctl_sched_wakeup_granularity; - enum sched_tunable_scaling { SCHED_TUNABLESCALING_NONE, SCHED_TUNABLESCALING_LOG, SCHED_TUNABLESCALING_LINEAR, SCHED_TUNABLESCALING_END, }; -extern unsigned int sysctl_sched_tunable_scaling; - -extern unsigned int sysctl_numa_balancing_scan_delay; -extern unsigned int sysctl_numa_balancing_scan_period_min; -extern unsigned int sysctl_numa_balancing_scan_period_max; -extern unsigned int sysctl_numa_balancing_scan_size; - -#ifdef CONFIG_SCHED_DEBUG -extern __read_mostly unsigned int sysctl_sched_migration_cost; -extern __read_mostly unsigned int sysctl_sched_nr_migrate; - -extern int sysctl_resched_latency_warn_ms; -extern int sysctl_resched_latency_warn_once; -#endif /* * control realtime throttling: diff --git a/include/linux/sched/user.h b/include/linux/sched/user.h index 3632c5d6ec55..00ed419dd464 100644 --- a/include/linux/sched/user.h +++ b/include/linux/sched/user.h @@ -4,6 +4,7 @@ #include <linux/uidgid.h> #include <linux/atomic.h> +#include <linux/percpu_counter.h> #include <linux/refcount.h> #include <linux/ratelimit.h> @@ -12,16 +13,9 @@ */ struct user_struct { refcount_t __count; /* reference count */ - atomic_t processes; /* How many processes does this user have? */ - atomic_t sigpending; /* How many pending signals does this user have? */ #ifdef CONFIG_EPOLL - atomic_long_t epoll_watches; /* The number of file descriptors currently watched */ + struct percpu_counter epoll_watches; /* The number of file descriptors currently watched */ #endif -#ifdef CONFIG_POSIX_MQUEUE - /* protected by mq_lock */ - unsigned long mq_bytes; /* How many bytes can be allocated to mqueue? */ -#endif - unsigned long locked_shm; /* How many pages of mlocked shm ? */ unsigned long unix_inflight; /* How many files in flight in unix sockets */ atomic_long_t pipe_bufs; /* how many pages are allocated in pipe buffers */ diff --git a/include/linux/sched/wake_q.h b/include/linux/sched/wake_q.h index 26a2013ac39c..06cd8fb2f409 100644 --- a/include/linux/sched/wake_q.h +++ b/include/linux/sched/wake_q.h @@ -42,8 +42,11 @@ struct wake_q_head { #define WAKE_Q_TAIL ((struct wake_q_node *) 0x01) -#define DEFINE_WAKE_Q(name) \ - struct wake_q_head name = { WAKE_Q_TAIL, &name.first } +#define WAKE_Q_HEAD_INITIALIZER(name) \ + { WAKE_Q_TAIL, &name.first } + +#define DEFINE_WAKE_Q(name) \ + struct wake_q_head name = WAKE_Q_HEAD_INITIALIZER(name) static inline void wake_q_init(struct wake_q_head *head) { diff --git a/include/linux/sched_clock.h b/include/linux/sched_clock.h index 528718e4ed52..835ee87ed792 100644 --- a/include/linux/sched_clock.h +++ b/include/linux/sched_clock.h @@ -14,7 +14,7 @@ * @sched_clock_mask: Bitmask for two's complement subtraction of non 64bit * clocks. * @read_sched_clock: Current clock source (or dummy source when suspended). - * @mult: Multipler for scaled math conversion. + * @mult: Multiplier for scaled math conversion. * @shift: Shift value for scaled math conversion. * * Care must be taken when updating this structure; it is read by diff --git a/include/linux/scmi_protocol.h b/include/linux/scmi_protocol.h index 79d0a1237e6c..80e781c51ddc 100644 --- a/include/linux/scmi_protocol.h +++ b/include/linux/scmi_protocol.h @@ -101,6 +101,10 @@ struct scmi_clk_proto_ops { * to sustained performance level mapping * @est_power_get: gets the estimated power cost for a given performance domain * at a given frequency + * @fast_switch_possible: indicates if fast DVFS switching is possible or not + * for a given device + * @power_scale_mw_get: indicates if the power values provided are in milliWatts + * or in some other (abstract) scale */ struct scmi_perf_proto_ops { int (*limits_set)(const struct scmi_protocol_handle *ph, u32 domain, @@ -153,7 +157,7 @@ struct scmi_power_proto_ops { }; /** - * scmi_sensor_reading - represent a timestamped read + * struct scmi_sensor_reading - represent a timestamped read * * Used by @reading_get_timestamped method. * @@ -167,7 +171,7 @@ struct scmi_sensor_reading { }; /** - * scmi_range_attrs - specifies a sensor or axis values' range + * struct scmi_range_attrs - specifies a sensor or axis values' range * @min_range: The minimum value which can be represented by the sensor/axis. * @max_range: The maximum value which can be represented by the sensor/axis. */ @@ -177,7 +181,7 @@ struct scmi_range_attrs { }; /** - * scmi_sensor_axis_info - describes one sensor axes + * struct scmi_sensor_axis_info - describes one sensor axes * @id: The axes ID. * @type: Axes type. Chosen amongst one of @enum scmi_sensor_class. * @scale: Power-of-10 multiplier applied to the axis unit. @@ -205,8 +209,8 @@ struct scmi_sensor_axis_info { }; /** - * scmi_sensor_intervals_info - describes number and type of available update - * intervals + * struct scmi_sensor_intervals_info - describes number and type of available + * update intervals * @segmented: Flag for segmented intervals' representation. When True there * will be exactly 3 intervals in @desc, with each entry * representing a member of a segment in this order: diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h index afbf8037d8db..d2176a56828a 100644 --- a/include/linux/scpi_protocol.h +++ b/include/linux/scpi_protocol.h @@ -51,6 +51,14 @@ struct scpi_sensor_info { * OPP is an index to the list return by @dvfs_get_info * @dvfs_get_info: returns the DVFS capabilities of the given power * domain. It includes the OPP list and the latency information + * @device_domain_id: gets the scpi domain id for a given device + * @get_transition_latency: gets the DVFS transition latency for a given device + * @add_opps_to_device: adds all the OPPs for a given device + * @sensor_get_capability: get the list of capabilities for the sensors + * @sensor_get_info: get the information of the specified sensor + * @sensor_get_value: gets the current value of the sensor + * @device_get_power_state: gets the power state of a power domain + * @device_set_power_state: sets the power state of a power domain */ struct scpi_ops { u32 (*get_version)(void); diff --git a/include/linux/sctp.h b/include/linux/sctp.h index bb1926589693..a86e852507b3 100644 --- a/include/linux/sctp.h +++ b/include/linux/sctp.h @@ -98,6 +98,7 @@ enum sctp_cid { SCTP_CID_I_FWD_TSN = 0xC2, SCTP_CID_ASCONF_ACK = 0x80, SCTP_CID_RECONF = 0x82, + SCTP_CID_PAD = 0x84, }; /* enum */ @@ -410,6 +411,12 @@ struct sctp_heartbeat_chunk { }; +/* PAD chunk could be bundled with heartbeat chunk to probe pmtu */ +struct sctp_pad_chunk { + struct sctp_chunkhdr uh; +}; + + /* For the abort and shutdown ACK we must carry the init tag in the * common header. Just the common header is all that is needed with a * chunk descriptor. diff --git a/include/linux/secretmem.h b/include/linux/secretmem.h new file mode 100644 index 000000000000..988528b5da43 --- /dev/null +++ b/include/linux/secretmem.h @@ -0,0 +1,54 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +#ifndef _LINUX_SECRETMEM_H +#define _LINUX_SECRETMEM_H + +#ifdef CONFIG_SECRETMEM + +extern const struct address_space_operations secretmem_aops; + +static inline bool page_is_secretmem(struct page *page) +{ + struct address_space *mapping; + + /* + * Using page_mapping() is quite slow because of the actual call + * instruction and repeated compound_head(page) inside the + * page_mapping() function. + * We know that secretmem pages are not compound and LRU so we can + * save a couple of cycles here. + */ + if (PageCompound(page) || !PageLRU(page)) + return false; + + mapping = (struct address_space *) + ((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS); + + if (!mapping || mapping != page->mapping) + return false; + + return mapping->a_ops == &secretmem_aops; +} + +bool vma_is_secretmem(struct vm_area_struct *vma); +bool secretmem_active(void); + +#else + +static inline bool vma_is_secretmem(struct vm_area_struct *vma) +{ + return false; +} + +static inline bool page_is_secretmem(struct page *page) +{ + return false; +} + +static inline bool secretmem_active(void) +{ + return false; +} + +#endif /* CONFIG_SECRETMEM */ + +#endif /* _LINUX_SECRETMEM_H */ diff --git a/include/linux/security.h b/include/linux/security.h index 06f7c50ce77f..5b7288521300 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -120,10 +120,11 @@ enum lockdown_reason { LOCKDOWN_MMIOTRACE, LOCKDOWN_DEBUGFS, LOCKDOWN_XMON_WR, + LOCKDOWN_BPF_WRITE_USER, LOCKDOWN_INTEGRITY_MAX, LOCKDOWN_KCORE, LOCKDOWN_KPROBES, - LOCKDOWN_BPF_READ, + LOCKDOWN_BPF_READ_KERNEL, LOCKDOWN_PERF, LOCKDOWN_TRACEFS, LOCKDOWN_XMON_RW, @@ -1681,7 +1682,7 @@ int security_xfrm_state_alloc_acquire(struct xfrm_state *x, struct xfrm_sec_ctx *polsec, u32 secid); int security_xfrm_state_delete(struct xfrm_state *x); void security_xfrm_state_free(struct xfrm_state *x); -int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir); +int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid); int security_xfrm_state_pol_flow_match(struct xfrm_state *x, struct xfrm_policy *xp, const struct flowi_common *flic); @@ -1732,7 +1733,7 @@ static inline int security_xfrm_state_delete(struct xfrm_state *x) return 0; } -static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) +static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid) { return 0; } diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index 723b1fa1177e..dd99569595fd 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -126,8 +126,16 @@ void seq_put_decimal_ll(struct seq_file *m, const char *delimiter, long long num void seq_put_hex_ll(struct seq_file *m, const char *delimiter, unsigned long long v, unsigned int width); +void seq_escape_mem(struct seq_file *m, const char *src, size_t len, + unsigned int flags, const char *esc); + +static inline void seq_escape_str(struct seq_file *m, const char *src, + unsigned int flags, const char *esc) +{ + seq_escape_mem(m, src, strlen(src), flags, esc); +} + void seq_escape(struct seq_file *m, const char *s, const char *esc); -void seq_escape_mem_ascii(struct seq_file *m, const char *src, size_t isz); void seq_hex_dump(struct seq_file *m, const char *prefix_str, int prefix_type, int rowsize, int groupsize, const void *buf, size_t len, diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h index f61e34fbaaea..37ded6b8fee6 100644 --- a/include/linux/seqlock.h +++ b/include/linux/seqlock.h @@ -182,9 +182,9 @@ static inline void seqcount_lockdep_reader_access(const seqcount_t *s) #define seqcount_raw_spinlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, raw_spinlock) #define seqcount_spinlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, spinlock) -#define seqcount_rwlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, rwlock); -#define seqcount_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, mutex); -#define seqcount_ww_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, ww_mutex); +#define seqcount_rwlock_init(s, lock) seqcount_LOCKNAME_init(s, lock, rwlock) +#define seqcount_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, mutex) +#define seqcount_ww_mutex_init(s, lock) seqcount_LOCKNAME_init(s, lock, ww_mutex) /* * SEQCOUNT_LOCKNAME() - Instantiate seqcount_LOCKNAME_t and helpers diff --git a/include/linux/serdev.h b/include/linux/serdev.h index 9f14f9c12ec4..3368c261ab62 100644 --- a/include/linux/serdev.h +++ b/include/linux/serdev.h @@ -327,4 +327,18 @@ static inline int serdev_tty_port_unregister(struct tty_port *port) } #endif /* CONFIG_SERIAL_DEV_CTRL_TTYPORT */ +struct acpi_resource; +struct acpi_resource_uart_serialbus; + +#ifdef CONFIG_ACPI +bool serdev_acpi_get_uart_resource(struct acpi_resource *ares, + struct acpi_resource_uart_serialbus **uart); +#else +static inline bool serdev_acpi_get_uart_resource(struct acpi_resource *ares, + struct acpi_resource_uart_serialbus **uart) +{ + return false; +} +#endif /* CONFIG_ACPI */ + #endif /*_LINUX_SERDEV_H */ diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 9e655055112d..5db211f43b29 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -146,7 +146,7 @@ static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up) return container_of(up, struct uart_8250_port, port); } -int serial8250_register_8250_port(struct uart_8250_port *); +int serial8250_register_8250_port(const struct uart_8250_port *); void serial8250_unregister_port(int line); void serial8250_suspend_port(int line); void serial8250_resume_port(int line); diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index d7ed00f1594e..c58cc142d23f 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -408,7 +408,8 @@ int uart_register_driver(struct uart_driver *uart); void uart_unregister_driver(struct uart_driver *uart); int uart_add_one_port(struct uart_driver *reg, struct uart_port *port); int uart_remove_one_port(struct uart_driver *reg, struct uart_port *port); -int uart_match_port(struct uart_port *port1, struct uart_port *port2); +bool uart_match_port(const struct uart_port *port1, + const struct uart_port *port2); /* * Power Management @@ -428,7 +429,7 @@ int uart_resume_port(struct uart_driver *reg, struct uart_port *port); static inline int uart_tx_stopped(struct uart_port *port) { struct tty_struct *tty = port->state->port.tty; - if ((tty && tty->stopped) || port->hw_stopped) + if ((tty && tty->flow.stopped) || port->hw_stopped) return 1; return 0; } @@ -517,6 +518,25 @@ static inline void uart_unlock_and_check_sysrq(struct uart_port *port) if (sysrq_ch) handle_sysrq(sysrq_ch); } + +static inline void uart_unlock_and_check_sysrq_irqrestore(struct uart_port *port, + unsigned long flags) +{ + int sysrq_ch; + + if (!port->has_sysrq) { + spin_unlock_irqrestore(&port->lock, flags); + return; + } + + sysrq_ch = port->sysrq_ch; + port->sysrq_ch = 0; + + spin_unlock_irqrestore(&port->lock, flags); + + if (sysrq_ch) + handle_sysrq(sysrq_ch); +} #else /* CONFIG_MAGIC_SYSRQ_SERIAL */ static inline int uart_handle_sysrq_char(struct uart_port *port, unsigned int ch) { @@ -530,6 +550,11 @@ static inline void uart_unlock_and_check_sysrq(struct uart_port *port) { spin_unlock(&port->lock); } +static inline void uart_unlock_and_check_sysrq_irqrestore(struct uart_port *port, + unsigned long flags) +{ + spin_unlock_irqrestore(&port->lock, flags); +} #endif /* CONFIG_MAGIC_SYSRQ_SERIAL */ /* diff --git a/include/linux/serial_s3c.h b/include/linux/serial_s3c.h index f6c3323fc4c5..cf0de4a86640 100644 --- a/include/linux/serial_s3c.h +++ b/include/linux/serial_s3c.h @@ -27,6 +27,15 @@ #define S3C2410_UERSTAT (0x14) #define S3C2410_UFSTAT (0x18) #define S3C2410_UMSTAT (0x1C) +#define USI_CON (0xC4) +#define USI_OPTION (0xC8) + +#define USI_CON_RESET (1<<0) +#define USI_CON_RESET_MASK (1<<0) + +#define USI_OPTION_HWACG_CLKREQ_ON (1<<1) +#define USI_OPTION_HWACG_CLKSTOP_ON (1<<2) +#define USI_OPTION_HWACG_MASK (3<<1) #define S3C2410_LCON_CFGMASK ((0xF<<3)|(0x3)) diff --git a/include/linux/set_memory.h b/include/linux/set_memory.h index fe1aa4e54680..f36be5166c19 100644 --- a/include/linux/set_memory.h +++ b/include/linux/set_memory.h @@ -28,7 +28,19 @@ static inline bool kernel_page_present(struct page *page) { return true; } +#else /* CONFIG_ARCH_HAS_SET_DIRECT_MAP */ +/* + * Some architectures, e.g. ARM64 can disable direct map modifications at + * boot time. Let them overrive this query. + */ +#ifndef can_set_direct_map +static inline bool can_set_direct_map(void) +{ + return true; +} +#define can_set_direct_map can_set_direct_map #endif +#endif /* CONFIG_ARCH_HAS_SET_DIRECT_MAP */ #ifndef set_mce_nospec static inline int set_mce_nospec(unsigned long pfn, bool unmap) diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index d82b6f396588..166158b6e917 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -18,6 +18,7 @@ struct shmem_inode_info { unsigned long flags; unsigned long alloced; /* data pages alloced to file */ unsigned long swapped; /* subtotal assigned to swap */ + pgoff_t fallocend; /* highest fallocate endindex */ struct list_head shrinklist; /* shrinkable hpage inodes */ struct list_head swaplist; /* chain of maybes on swap */ struct shared_policy policy; /* NUMA memory alloc policy */ @@ -31,7 +32,7 @@ struct shmem_sb_info { struct percpu_counter used_blocks; /* How many are allocated */ unsigned long max_inodes; /* How many inodes are allowed */ unsigned long free_inodes; /* How many are left for allocation */ - spinlock_t stat_lock; /* Serialize shmem_sb_info changes */ + raw_spinlock_t stat_lock; /* Serialize shmem_sb_info changes */ umode_t mode; /* Mount mode for root directory */ unsigned char huge; /* Whether to try for hugepages */ kuid_t uid; /* Mount uid for root directory */ @@ -65,7 +66,7 @@ extern struct file *shmem_file_setup_with_mnt(struct vfsmount *mnt, extern int shmem_zero_setup(struct vm_area_struct *); extern unsigned long shmem_get_unmapped_area(struct file *, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags); -extern int shmem_lock(struct file *file, int lock, struct user_struct *user); +extern int shmem_lock(struct file *file, int lock, struct ucounts *ucounts); #ifdef CONFIG_SHMEM extern const struct address_space_operations shmem_aops; static inline bool shmem_mapping(struct address_space *mapping) @@ -85,7 +86,12 @@ extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end); extern int shmem_unuse(unsigned int type, bool frontswap, unsigned long *fs_pages_to_unuse); -extern bool shmem_huge_enabled(struct vm_area_struct *vma); +extern bool shmem_is_huge(struct vm_area_struct *vma, + struct inode *inode, pgoff_t index); +static inline bool shmem_huge_enabled(struct vm_area_struct *vma) +{ + return shmem_is_huge(vma, file_inode(vma->vm_file), vma->vm_pgoff); +} extern unsigned long shmem_swap_usage(struct vm_area_struct *vma); extern unsigned long shmem_partial_swap_usage(struct address_space *mapping, pgoff_t start, pgoff_t end); @@ -93,9 +99,8 @@ extern unsigned long shmem_partial_swap_usage(struct address_space *mapping, /* Flag allocation requirements to shmem_getpage */ enum sgp_type { SGP_READ, /* don't exceed i_size, don't allocate page */ + SGP_NOALLOC, /* similar, but fail on hole or use fallocated page */ SGP_CACHE, /* don't exceed i_size, may allocate page */ - SGP_NOHUGE, /* like SGP_CACHE, but no huge pages */ - SGP_HUGE, /* like SGP_CACHE, huge pages preferred */ SGP_WRITE, /* may exceed i_size, may allocate !Uptodate page */ SGP_FALLOC, /* like SGP_WRITE, but make existing page Uptodate */ }; @@ -119,24 +124,33 @@ static inline bool shmem_file(struct file *file) return shmem_mapping(file->f_mapping); } +/* + * If fallocate(FALLOC_FL_KEEP_SIZE) has been used, there may be pages + * beyond i_size's notion of EOF, which fallocate has committed to reserving: + * which split_huge_page() must therefore not delete. This use of a single + * "fallocend" per inode errs on the side of not deleting a reservation when + * in doubt: there are plenty of cases when it preserves unreserved pages. + */ +static inline pgoff_t shmem_fallocend(struct inode *inode, pgoff_t eof) +{ + return max(eof, SHMEM_I(inode)->fallocend); +} + extern bool shmem_charge(struct inode *inode, long pages); extern void shmem_uncharge(struct inode *inode, long pages); +#ifdef CONFIG_USERFAULTFD #ifdef CONFIG_SHMEM -extern int shmem_mcopy_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd, +extern int shmem_mfill_atomic_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd, struct vm_area_struct *dst_vma, unsigned long dst_addr, unsigned long src_addr, + bool zeropage, struct page **pagep); -extern int shmem_mfill_zeropage_pte(struct mm_struct *dst_mm, - pmd_t *dst_pmd, - struct vm_area_struct *dst_vma, - unsigned long dst_addr); -#else -#define shmem_mcopy_atomic_pte(dst_mm, dst_pte, dst_vma, dst_addr, \ - src_addr, pagep) ({ BUG(); 0; }) -#define shmem_mfill_zeropage_pte(dst_mm, dst_pmd, dst_vma, \ - dst_addr) ({ BUG(); 0; }) -#endif +#else /* !CONFIG_SHMEM */ +#define shmem_mfill_atomic_pte(dst_mm, dst_pmd, dst_vma, dst_addr, \ + src_addr, zeropage, pagep) ({ BUG(); 0; }) +#endif /* CONFIG_SHMEM */ +#endif /* CONFIG_USERFAULTFD */ #endif diff --git a/include/linux/shrinker.h b/include/linux/shrinker.h index 1eac79ce57d4..9814fff58a69 100644 --- a/include/linux/shrinker.h +++ b/include/linux/shrinker.h @@ -4,7 +4,7 @@ /* * This struct is used to pass information from page reclaim to the shrinkers. - * We consolidate the values for easier extention later. + * We consolidate the values for easier extension later. * * The 'gfpmask' refers to the allocation we are currently trying to * fulfil. diff --git a/include/linux/signal.h b/include/linux/signal.h index 5160fd45e5ca..3f96a6374e4f 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -44,7 +44,7 @@ enum siginfo_layout { SIL_FAULT_MCEERR, SIL_FAULT_BNDERR, SIL_FAULT_PKUERR, - SIL_PERF_EVENT, + SIL_FAULT_PERF_EVENT, SIL_CHLD, SIL_RT, SIL_SYS, @@ -462,8 +462,6 @@ int __save_altstack(stack_t __user *, unsigned long); unsafe_put_user((void __user *)t->sas_ss_sp, &__uss->ss_sp, label); \ unsafe_put_user(t->sas_ss_flags, &__uss->ss_flags, label); \ unsafe_put_user(t->sas_ss_size, &__uss->ss_size, label); \ - if (t->sas_ss_flags & SS_AUTODISARM) \ - sas_ss_reset(t); \ } while (0); #ifdef CONFIG_PROC_FS diff --git a/include/linux/signal_types.h b/include/linux/signal_types.h index 68e06c75c5b2..34cb28b8f16c 100644 --- a/include/linux/signal_types.h +++ b/include/linux/signal_types.h @@ -13,6 +13,8 @@ typedef struct kernel_siginfo { __SIGINFO; } kernel_siginfo_t; +struct ucounts; + /* * Real Time signals may be queued. */ @@ -21,7 +23,7 @@ struct sigqueue { struct list_head list; int flags; kernel_siginfo_t info; - struct user_struct *user; + struct ucounts *ucounts; }; /* flags values. */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index dbf820a50a39..841e2f0f5240 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -37,6 +37,7 @@ #include <linux/in6.h> #include <linux/if_packet.h> #include <net/flow.h> +#include <net/page_pool.h> #if IS_ENABLED(CONFIG_NF_CONNTRACK) #include <linux/netfilter/nf_conntrack_common.h> #endif @@ -667,6 +668,8 @@ typedef unsigned char *sk_buff_data_t; * @head_frag: skb was allocated from page fragments, * not allocated by kmalloc() or vmalloc(). * @pfmemalloc: skbuff was allocated from PFMEMALLOC reserves + * @pp_recycle: mark the packet for recycling instead of freeing (implies + * page_pool support on driver) * @active_extensions: active extensions (skb_ext_id types) * @ndisc_nodetype: router type (from link layer) * @ooo_okay: allow the mapping of a socket to a queue to be changed @@ -686,6 +689,7 @@ typedef unsigned char *sk_buff_data_t; * CHECKSUM_UNNECESSARY (max 3) * @dst_pending_confirm: need to confirm neighbour * @decrypted: Decrypted SKB + * @slow_gro: state present at GRO time, slower prepare step required * @napi_id: id of the NAPI struct this skb came from * @sender_cpu: (aka @napi_id) source CPU in XPS * @secmark: security marking @@ -791,10 +795,12 @@ struct sk_buff { fclone:2, peeked:1, head_frag:1, - pfmemalloc:1; + pfmemalloc:1, + pp_recycle:1; /* page_pool recycle indicator */ #ifdef CONFIG_SKB_EXTENSIONS __u8 active_extensions; #endif + /* fields enclosed in headers_start/headers_end are copied * using a single memcpy() in __copy_skb_header() */ @@ -858,13 +864,14 @@ struct sk_buff { __u8 tc_skip_classify:1; __u8 tc_at_ingress:1; #endif -#ifdef CONFIG_NET_REDIRECT __u8 redirected:1; +#ifdef CONFIG_NET_REDIRECT __u8 from_ingress:1; #endif #ifdef CONFIG_TLS_DEVICE __u8 decrypted:1; #endif + __u8 slow_gro:1; #ifdef CONFIG_NET_SCHED __u16 tc_index; /* traffic control index */ @@ -985,6 +992,7 @@ static inline struct dst_entry *skb_dst(const struct sk_buff *skb) */ static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) { + skb->slow_gro |= !!dst; skb->_skb_refdst = (unsigned long)dst; } @@ -1001,6 +1009,7 @@ static inline void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst) static inline void skb_dst_set_noref(struct sk_buff *skb, struct dst_entry *dst) { WARN_ON(!rcu_read_lock_held() && !rcu_read_lock_bh_held()); + skb->slow_gro |= !!dst; skb->_skb_refdst = (unsigned long)dst | SKB_DST_NOREF; } @@ -1174,6 +1183,7 @@ static inline struct sk_buff *__pskb_copy(struct sk_buff *skb, int headroom, int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, gfp_t gfp_mask); struct sk_buff *skb_realloc_headroom(struct sk_buff *skb, unsigned int headroom); +struct sk_buff *skb_expand_head(struct sk_buff *skb, unsigned int headroom); struct sk_buff *skb_copy_expand(const struct sk_buff *skb, int newheadroom, int newtailroom, gfp_t priority); int __must_check skb_to_sgvec_nomark(struct sk_buff *skb, struct scatterlist *sg, @@ -1930,7 +1940,7 @@ static inline void __skb_insert(struct sk_buff *newsk, WRITE_ONCE(newsk->prev, prev); WRITE_ONCE(next->prev, newsk); WRITE_ONCE(prev->next, newsk); - list->qlen++; + WRITE_ONCE(list->qlen, list->qlen + 1); } static inline void __skb_queue_splice(const struct sk_buff_head *list, @@ -3081,12 +3091,20 @@ static inline void skb_frag_ref(struct sk_buff *skb, int f) /** * __skb_frag_unref - release a reference on a paged fragment. * @frag: the paged fragment + * @recycle: recycle the page if allocated via page_pool * - * Releases a reference on the paged fragment @frag. + * Releases a reference on the paged fragment @frag + * or recycles the page via the page_pool API. */ -static inline void __skb_frag_unref(skb_frag_t *frag) +static inline void __skb_frag_unref(skb_frag_t *frag, bool recycle) { - put_page(skb_frag_page(frag)); + struct page *page = skb_frag_page(frag); + +#ifdef CONFIG_PAGE_POOL + if (recycle && page_pool_return_skb_page(page)) + return; +#endif + put_page(page); } /** @@ -3098,7 +3116,7 @@ static inline void __skb_frag_unref(skb_frag_t *frag) */ static inline void skb_frag_unref(struct sk_buff *skb, int f) { - __skb_frag_unref(&skb_shinfo(skb)->frags[f]); + __skb_frag_unref(&skb_shinfo(skb)->frags[f], skb->pp_recycle); } /** @@ -4203,6 +4221,7 @@ static inline unsigned long skb_get_nfct(const struct sk_buff *skb) static inline void skb_set_nfct(struct sk_buff *skb, unsigned long nfct) { #if IS_ENABLED(CONFIG_NF_CONNTRACK) + skb->slow_gro |= !!nfct; skb->_nfct = nfct; #endif } @@ -4362,6 +4381,7 @@ static inline void nf_copy(struct sk_buff *dst, const struct sk_buff *src) #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE) nf_conntrack_put(skb_nfct(dst)); #endif + dst->slow_gro = src->slow_gro; __nf_copy(dst, src, true); } @@ -4651,17 +4671,13 @@ static inline __wsum lco_csum(struct sk_buff *skb) static inline bool skb_is_redirected(const struct sk_buff *skb) { -#ifdef CONFIG_NET_REDIRECT return skb->redirected; -#else - return false; -#endif } static inline void skb_set_redirected(struct sk_buff *skb, bool from_ingress) { -#ifdef CONFIG_NET_REDIRECT skb->redirected = 1; +#ifdef CONFIG_NET_REDIRECT skb->from_ingress = from_ingress; if (skb->from_ingress) skb->tstamp = 0; @@ -4670,9 +4686,7 @@ static inline void skb_set_redirected(struct sk_buff *skb, bool from_ingress) static inline void skb_reset_redirect(struct sk_buff *skb) { -#ifdef CONFIG_NET_REDIRECT skb->redirected = 0; -#endif } static inline bool skb_csum_is_sctp(struct sk_buff *skb) @@ -4697,5 +4711,19 @@ static inline u64 skb_get_kcov_handle(struct sk_buff *skb) #endif } +#ifdef CONFIG_PAGE_POOL +static inline void skb_mark_for_recycle(struct sk_buff *skb) +{ + skb->pp_recycle = 1; +} +#endif + +static inline bool skb_pp_recycle(struct sk_buff *skb, void *data) +{ + if (!IS_ENABLED(CONFIG_PAGE_POOL) || !skb->pp_recycle) + return false; + return page_pool_return_skb_page(virt_to_page(data)); +} + #endif /* __KERNEL__ */ #endif /* _LINUX_SKBUFF_H */ diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h index aba0f0f429be..1ce9a9eb223b 100644 --- a/include/linux/skmsg.h +++ b/include/linux/skmsg.h @@ -126,10 +126,9 @@ int sk_msg_zerocopy_from_iter(struct sock *sk, struct iov_iter *from, struct sk_msg *msg, u32 bytes); int sk_msg_memcopy_from_iter(struct sock *sk, struct iov_iter *from, struct sk_msg *msg, u32 bytes); -int sk_msg_wait_data(struct sock *sk, struct sk_psock *psock, int flags, - long timeo, int *err); int sk_msg_recvmsg(struct sock *sk, struct sk_psock *psock, struct msghdr *msg, int len, int flags); +bool sk_msg_is_readable(struct sock *sk); static inline void sk_msg_check_to_free(struct sk_msg *msg, u32 i, u32 bytes) { @@ -287,11 +286,45 @@ static inline struct sk_psock *sk_psock(const struct sock *sk) return rcu_dereference_sk_user_data(sk); } +static inline void sk_psock_set_state(struct sk_psock *psock, + enum sk_psock_state_bits bit) +{ + set_bit(bit, &psock->state); +} + +static inline void sk_psock_clear_state(struct sk_psock *psock, + enum sk_psock_state_bits bit) +{ + clear_bit(bit, &psock->state); +} + +static inline bool sk_psock_test_state(const struct sk_psock *psock, + enum sk_psock_state_bits bit) +{ + return test_bit(bit, &psock->state); +} + +static inline void sock_drop(struct sock *sk, struct sk_buff *skb) +{ + sk_drops_add(sk, skb); + kfree_skb(skb); +} + +static inline void drop_sk_msg(struct sk_psock *psock, struct sk_msg *msg) +{ + if (msg->skb) + sock_drop(psock->sk, msg->skb); + kfree(msg); +} + static inline void sk_psock_queue_msg(struct sk_psock *psock, struct sk_msg *msg) { spin_lock_bh(&psock->ingress_lock); - list_add_tail(&msg->list, &psock->ingress_msg); + if (sk_psock_test_state(psock, SK_PSOCK_TX_ENABLED)) + list_add_tail(&msg->list, &psock->ingress_msg); + else + drop_sk_msg(psock, msg); spin_unlock_bh(&psock->ingress_lock); } @@ -348,7 +381,7 @@ static inline void sk_psock_report_error(struct sk_psock *psock, int err) struct sock *sk = psock->sk; sk->sk_err = err; - sk->sk_error_report(sk); + sk_error_report(sk); } struct sk_psock *sk_psock_init(struct sock *sk, int node); @@ -408,24 +441,6 @@ static inline void sk_psock_restore_proto(struct sock *sk, psock->psock_update_sk_prot(sk, psock, true); } -static inline void sk_psock_set_state(struct sk_psock *psock, - enum sk_psock_state_bits bit) -{ - set_bit(bit, &psock->state); -} - -static inline void sk_psock_clear_state(struct sk_psock *psock, - enum sk_psock_state_bits bit) -{ - clear_bit(bit, &psock->state); -} - -static inline bool sk_psock_test_state(const struct sk_psock *psock, - enum sk_psock_state_bits bit) -{ - return test_bit(bit, &psock->state); -} - static inline struct sk_psock *sk_psock_get(struct sock *sk) { struct sk_psock *psock; diff --git a/include/linux/slab.h b/include/linux/slab.h index 0c97d788762c..083f3ce550bc 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -305,9 +305,21 @@ static inline void __check_heap_object(const void *ptr, unsigned long n, /* * Whenever changing this, take care of that kmalloc_type() and * create_kmalloc_caches() still work as intended. + * + * KMALLOC_NORMAL can contain only unaccounted objects whereas KMALLOC_CGROUP + * is for accounted but unreclaimable and non-dma objects. All the other + * kmem caches can have both accounted and unaccounted objects. */ enum kmalloc_cache_type { KMALLOC_NORMAL = 0, +#ifndef CONFIG_ZONE_DMA + KMALLOC_DMA = KMALLOC_NORMAL, +#endif +#ifndef CONFIG_MEMCG_KMEM + KMALLOC_CGROUP = KMALLOC_NORMAL, +#else + KMALLOC_CGROUP, +#endif KMALLOC_RECLAIM, #ifdef CONFIG_ZONE_DMA KMALLOC_DMA, @@ -319,24 +331,36 @@ enum kmalloc_cache_type { extern struct kmem_cache * kmalloc_caches[NR_KMALLOC_TYPES][KMALLOC_SHIFT_HIGH + 1]; +/* + * Define gfp bits that should not be set for KMALLOC_NORMAL. + */ +#define KMALLOC_NOT_NORMAL_BITS \ + (__GFP_RECLAIMABLE | \ + (IS_ENABLED(CONFIG_ZONE_DMA) ? __GFP_DMA : 0) | \ + (IS_ENABLED(CONFIG_MEMCG_KMEM) ? __GFP_ACCOUNT : 0)) + static __always_inline enum kmalloc_cache_type kmalloc_type(gfp_t flags) { -#ifdef CONFIG_ZONE_DMA /* * The most common case is KMALLOC_NORMAL, so test for it - * with a single branch for both flags. + * with a single branch for all the relevant flags. */ - if (likely((flags & (__GFP_DMA | __GFP_RECLAIMABLE)) == 0)) + if (likely((flags & KMALLOC_NOT_NORMAL_BITS) == 0)) return KMALLOC_NORMAL; /* - * At least one of the flags has to be set. If both are, __GFP_DMA - * is more important. + * At least one of the flags has to be set. Their priorities in + * decreasing order are: + * 1) __GFP_DMA + * 2) __GFP_RECLAIMABLE + * 3) __GFP_ACCOUNT */ - return flags & __GFP_DMA ? KMALLOC_DMA : KMALLOC_RECLAIM; -#else - return flags & __GFP_RECLAIMABLE ? KMALLOC_RECLAIM : KMALLOC_NORMAL; -#endif + if (IS_ENABLED(CONFIG_ZONE_DMA) && (flags & __GFP_DMA)) + return KMALLOC_DMA; + if (!IS_ENABLED(CONFIG_MEMCG_KMEM) || (flags & __GFP_RECLAIMABLE)) + return KMALLOC_RECLAIM; + else + return KMALLOC_CGROUP; } /* @@ -346,8 +370,14 @@ static __always_inline enum kmalloc_cache_type kmalloc_type(gfp_t flags) * 1 = 65 .. 96 bytes * 2 = 129 .. 192 bytes * n = 2^(n-1)+1 .. 2^n + * + * Note: __kmalloc_index() is compile-time optimized, and not runtime optimized; + * typical usage is via kmalloc_index() and therefore evaluated at compile-time. + * Callers where !size_is_constant should only be test modules, where runtime + * overheads of __kmalloc_index() can be tolerated. Also see kmalloc_slab(). */ -static __always_inline unsigned int kmalloc_index(size_t size) +static __always_inline unsigned int __kmalloc_index(size_t size, + bool size_is_constant) { if (!size) return 0; @@ -382,12 +412,17 @@ static __always_inline unsigned int kmalloc_index(size_t size) if (size <= 8 * 1024 * 1024) return 23; if (size <= 16 * 1024 * 1024) return 24; if (size <= 32 * 1024 * 1024) return 25; - if (size <= 64 * 1024 * 1024) return 26; - BUG(); + + if ((IS_ENABLED(CONFIG_CC_IS_GCC) || CONFIG_CLANG_VERSION >= 110000) + && !IS_ENABLED(CONFIG_PROFILE_ALL_BRANCHES) && size_is_constant) + BUILD_BUG_ON_MSG(1, "unexpected size in kmalloc_index()"); + else + BUG(); /* Will never be reached. Needed because the compiler may complain */ return -1; } +#define kmalloc_index(s) __kmalloc_index(s, true) #endif /* !CONFIG_SLOB */ void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment __malloc; diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index dcde82a4434c..85499f0586b0 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -10,6 +10,7 @@ #include <linux/kfence.h> #include <linux/kobject.h> #include <linux/reciprocal_div.h> +#include <linux/local_lock.h> enum stat_item { ALLOC_FASTPATH, /* Allocation from cpu slab */ @@ -40,6 +41,10 @@ enum stat_item { CPU_PARTIAL_DRAIN, /* Drain cpu partial to node partial */ NR_SLUB_STAT_ITEMS }; +/* + * When changing the layout, make sure freelist and tid are still compatible + * with this_cpu_cmpxchg_double() alignment requirements. + */ struct kmem_cache_cpu { void **freelist; /* Pointer to next available object */ unsigned long tid; /* Globally unique transaction id */ @@ -47,6 +52,7 @@ struct kmem_cache_cpu { #ifdef CONFIG_SLUB_CPU_PARTIAL struct page *partial; /* Partially allocated frozen slabs */ #endif + local_lock_t lock; /* Protects the fields above */ #ifdef CONFIG_SLUB_STATS unsigned stat[NR_SLUB_STAT_ITEMS]; #endif diff --git a/include/linux/soc/ixp4xx/cpu.h b/include/linux/soc/ixp4xx/cpu.h new file mode 100644 index 000000000000..88bd8de0e803 --- /dev/null +++ b/include/linux/soc/ixp4xx/cpu.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * IXP4XX cpu type detection + * + * Copyright (C) 2007 MontaVista Software, Inc. + */ + +#ifndef __SOC_IXP4XX_CPU_H__ +#define __SOC_IXP4XX_CPU_H__ + +#include <linux/io.h> +#ifdef CONFIG_ARM +#include <asm/cputype.h> +#endif + +/* Processor id value in CP15 Register 0 */ +#define IXP42X_PROCESSOR_ID_VALUE 0x690541c0 /* including unused 0x690541Ex */ +#define IXP42X_PROCESSOR_ID_MASK 0xffffffc0 + +#define IXP43X_PROCESSOR_ID_VALUE 0x69054040 +#define IXP43X_PROCESSOR_ID_MASK 0xfffffff0 + +#define IXP46X_PROCESSOR_ID_VALUE 0x69054200 /* including IXP455 */ +#define IXP46X_PROCESSOR_ID_MASK 0xfffffff0 + +/* "fuse" bits of IXP_EXP_CFG2 */ +/* All IXP4xx CPUs */ +#define IXP4XX_FEATURE_RCOMP (1 << 0) +#define IXP4XX_FEATURE_USB_DEVICE (1 << 1) +#define IXP4XX_FEATURE_HASH (1 << 2) +#define IXP4XX_FEATURE_AES (1 << 3) +#define IXP4XX_FEATURE_DES (1 << 4) +#define IXP4XX_FEATURE_HDLC (1 << 5) +#define IXP4XX_FEATURE_AAL (1 << 6) +#define IXP4XX_FEATURE_HSS (1 << 7) +#define IXP4XX_FEATURE_UTOPIA (1 << 8) +#define IXP4XX_FEATURE_NPEB_ETH0 (1 << 9) +#define IXP4XX_FEATURE_NPEC_ETH (1 << 10) +#define IXP4XX_FEATURE_RESET_NPEA (1 << 11) +#define IXP4XX_FEATURE_RESET_NPEB (1 << 12) +#define IXP4XX_FEATURE_RESET_NPEC (1 << 13) +#define IXP4XX_FEATURE_PCI (1 << 14) +#define IXP4XX_FEATURE_UTOPIA_PHY_LIMIT (3 << 16) +#define IXP4XX_FEATURE_XSCALE_MAX_FREQ (3 << 22) +#define IXP42X_FEATURE_MASK (IXP4XX_FEATURE_RCOMP | \ + IXP4XX_FEATURE_USB_DEVICE | \ + IXP4XX_FEATURE_HASH | \ + IXP4XX_FEATURE_AES | \ + IXP4XX_FEATURE_DES | \ + IXP4XX_FEATURE_HDLC | \ + IXP4XX_FEATURE_AAL | \ + IXP4XX_FEATURE_HSS | \ + IXP4XX_FEATURE_UTOPIA | \ + IXP4XX_FEATURE_NPEB_ETH0 | \ + IXP4XX_FEATURE_NPEC_ETH | \ + IXP4XX_FEATURE_RESET_NPEA | \ + IXP4XX_FEATURE_RESET_NPEB | \ + IXP4XX_FEATURE_RESET_NPEC | \ + IXP4XX_FEATURE_PCI | \ + IXP4XX_FEATURE_UTOPIA_PHY_LIMIT | \ + IXP4XX_FEATURE_XSCALE_MAX_FREQ) + + +/* IXP43x/46x CPUs */ +#define IXP4XX_FEATURE_ECC_TIMESYNC (1 << 15) +#define IXP4XX_FEATURE_USB_HOST (1 << 18) +#define IXP4XX_FEATURE_NPEA_ETH (1 << 19) +#define IXP43X_FEATURE_MASK (IXP42X_FEATURE_MASK | \ + IXP4XX_FEATURE_ECC_TIMESYNC | \ + IXP4XX_FEATURE_USB_HOST | \ + IXP4XX_FEATURE_NPEA_ETH) + +/* IXP46x CPU (including IXP455) only */ +#define IXP4XX_FEATURE_NPEB_ETH_1_TO_3 (1 << 20) +#define IXP4XX_FEATURE_RSA (1 << 21) +#define IXP46X_FEATURE_MASK (IXP43X_FEATURE_MASK | \ + IXP4XX_FEATURE_NPEB_ETH_1_TO_3 | \ + IXP4XX_FEATURE_RSA) + +#ifdef CONFIG_ARCH_IXP4XX +#define cpu_is_ixp42x_rev_a0() ((read_cpuid_id() & (IXP42X_PROCESSOR_ID_MASK | 0xF)) == \ + IXP42X_PROCESSOR_ID_VALUE) +#define cpu_is_ixp42x() ((read_cpuid_id() & IXP42X_PROCESSOR_ID_MASK) == \ + IXP42X_PROCESSOR_ID_VALUE) +#define cpu_is_ixp43x() ((read_cpuid_id() & IXP43X_PROCESSOR_ID_MASK) == \ + IXP43X_PROCESSOR_ID_VALUE) +#define cpu_is_ixp46x() ((read_cpuid_id() & IXP46X_PROCESSOR_ID_MASK) == \ + IXP46X_PROCESSOR_ID_VALUE) + +u32 ixp4xx_read_feature_bits(void); +void ixp4xx_write_feature_bits(u32 value); +#else +#define cpu_is_ixp42x_rev_a0() 0 +#define cpu_is_ixp42x() 0 +#define cpu_is_ixp43x() 0 +#define cpu_is_ixp46x() 0 +static inline u32 ixp4xx_read_feature_bits(void) +{ + return 0; +} +static inline void ixp4xx_write_feature_bits(u32 value) +{ +} +#endif + +#endif /* _ASM_ARCH_CPU_H */ diff --git a/include/linux/soc/marvell/octeontx2/asm.h b/include/linux/soc/marvell/octeontx2/asm.h index 28c04d918f0f..fa1d6af0164e 100644 --- a/include/linux/soc/marvell/octeontx2/asm.h +++ b/include/linux/soc/marvell/octeontx2/asm.h @@ -22,12 +22,17 @@ : [rs]"r" (ioaddr)); \ (result); \ }) +/* + * STEORL store to memory with release semantics. + * This will avoid using DMB barrier after each LMTST + * operation. + */ #define cn10k_lmt_flush(val, addr) \ ({ \ __asm__ volatile(".cpu generic+lse\n" \ - "steor %x[rf],[%[rs]]" \ - : [rf]"+r"(val) \ - : [rs]"r"(addr)); \ + "steorl %x[rf],[%[rs]]" \ + : [rf] "+r"(val) \ + : [rs] "r"(addr)); \ }) #else #define otx2_lmt_flush(ioaddr) ({ 0; }) diff --git a/include/linux/soc/qcom/smd-rpm.h b/include/linux/soc/qcom/smd-rpm.h index f2645ec52520..60e66fc9b6bf 100644 --- a/include/linux/soc/qcom/smd-rpm.h +++ b/include/linux/soc/qcom/smd-rpm.h @@ -29,6 +29,7 @@ struct qcom_smd_rpm; #define QCOM_SMD_RPM_NCPB 0x6270636E #define QCOM_SMD_RPM_OCMEM_PWR 0x706d636f #define QCOM_SMD_RPM_QPIC_CLK 0x63697071 +#define QCOM_SMD_RPM_QUP_CLK 0x707571 #define QCOM_SMD_RPM_SMPA 0x61706d73 #define QCOM_SMD_RPM_SMPB 0x62706d73 #define QCOM_SMD_RPM_SPDM 0x63707362 diff --git a/include/linux/soc/qcom/smem_state.h b/include/linux/soc/qcom/smem_state.h index 63ad8cddad14..652c0158baac 100644 --- a/include/linux/soc/qcom/smem_state.h +++ b/include/linux/soc/qcom/smem_state.h @@ -14,6 +14,7 @@ struct qcom_smem_state_ops { #ifdef CONFIG_QCOM_SMEM_STATE struct qcom_smem_state *qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); +struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev, const char *con_id, unsigned *bit); void qcom_smem_state_put(struct qcom_smem_state *); int qcom_smem_state_update_bits(struct qcom_smem_state *state, u32 mask, u32 value); @@ -29,6 +30,13 @@ static inline struct qcom_smem_state *qcom_smem_state_get(struct device *dev, return ERR_PTR(-EINVAL); } +static inline struct qcom_smem_state *devm_qcom_smem_state_get(struct device *dev, + const char *con_id, + unsigned *bit) +{ + return ERR_PTR(-EINVAL); +} + static inline void qcom_smem_state_put(struct qcom_smem_state *state) { } diff --git a/include/linux/soc/samsung/exynos-regs-pmu.h b/include/linux/soc/samsung/exynos-regs-pmu.h index fc9250fb3133..aa840ed043e1 100644 --- a/include/linux/soc/samsung/exynos-regs-pmu.h +++ b/include/linux/soc/samsung/exynos-regs-pmu.h @@ -611,12 +611,6 @@ #define EXYNOS5420_FSYS2_OPTION 0x4168 #define EXYNOS5420_PSGEN_OPTION 0x4188 -/* For EXYNOS_CENTRAL_SEQ_OPTION */ -#define EXYNOS5_USE_STANDBYWFI_ARM_CORE0 BIT(16) -#define EXYNOS5_USE_STANDBYWFI_ARM_CORE1 BUT(17) -#define EXYNOS5_USE_STANDBYWFE_ARM_CORE0 BIT(24) -#define EXYNOS5_USE_STANDBYWFE_ARM_CORE1 BIT(25) - #define EXYNOS5420_ARM_USE_STANDBY_WFI0 BIT(4) #define EXYNOS5420_ARM_USE_STANDBY_WFI1 BIT(5) #define EXYNOS5420_ARM_USE_STANDBY_WFI2 BIT(6) diff --git a/include/linux/socket.h b/include/linux/socket.h index 0d8e3dcb7f88..041d6032a348 100644 --- a/include/linux/socket.h +++ b/include/linux/socket.h @@ -223,8 +223,11 @@ struct ucred { * reuses AF_INET address family */ #define AF_XDP 44 /* XDP sockets */ +#define AF_MCTP 45 /* Management component + * transport protocol + */ -#define AF_MAX 45 /* For now.. */ +#define AF_MAX 46 /* For now.. */ /* Protocol families, same as address families. */ #define PF_UNSPEC AF_UNSPEC @@ -274,6 +277,7 @@ struct ucred { #define PF_QIPCRTR AF_QIPCRTR #define PF_SMC AF_SMC #define PF_XDP AF_XDP +#define PF_MCTP AF_MCTP #define PF_MAX AF_MAX /* Maximum queue length specifiable by listen. */ @@ -421,6 +425,9 @@ extern int __sys_accept4_file(struct file *file, unsigned file_flags, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags, unsigned long nofile); +extern struct file *do_accept(struct file *file, unsigned file_flags, + struct sockaddr __user *upeer_sockaddr, + int __user *upeer_addrlen, int flags); extern int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr, int __user *upeer_addrlen, int flags); extern int __sys_socket(int family, int type, int protocol); diff --git a/include/linux/soundwire/sdw.h b/include/linux/soundwire/sdw.h index ced07f8fde87..76ce3f3ac0f2 100644 --- a/include/linux/soundwire/sdw.h +++ b/include/linux/soundwire/sdw.h @@ -612,6 +612,7 @@ struct sdw_bus_params { * @update_status: Update Slave status * @bus_config: Update the bus config for Slave * @port_prep: Prepare the port with parameters + * @clk_stop: handle imp-def sequences before and after prepare and de-prepare */ struct sdw_slave_ops { int (*read_prop)(struct sdw_slave *sdw); @@ -624,7 +625,6 @@ struct sdw_slave_ops { int (*port_prep)(struct sdw_slave *slave, struct sdw_prepare_ch *prepare_ch, enum sdw_port_prep_ops pre_ops); - int (*get_clk_stop_mode)(struct sdw_slave *slave); int (*clk_stop)(struct sdw_slave *slave, enum sdw_clk_stop_mode mode, enum sdw_clk_stop_type type); @@ -661,6 +661,8 @@ struct sdw_slave_ops { * initialized * @first_interrupt_done: status flag tracking if the interrupt handling * for a Slave happens for the first time after enumeration + * @is_mockup_device: status flag used to squelch errors in the command/control + * protocol for SoundWire mockup devices */ struct sdw_slave { struct sdw_slave_id id; @@ -675,7 +677,6 @@ struct sdw_slave { struct list_head node; struct completion port_ready[SDW_MAX_PORTS]; unsigned int m_port_map[SDW_MAX_PORTS]; - enum sdw_clk_stop_mode curr_clk_stop_mode; u16 dev_num; u16 dev_num_sticky; bool probed; @@ -684,6 +685,7 @@ struct sdw_slave { struct completion initialization_complete; u32 unattach_request; bool first_interrupt_done; + bool is_mockup_device; }; #define dev_to_sdw_dev(_dev) container_of(_dev, struct sdw_slave, dev) @@ -1040,7 +1042,10 @@ int sdw_write(struct sdw_slave *slave, u32 addr, u8 value); int sdw_write_no_pm(struct sdw_slave *slave, u32 addr, u8 value); int sdw_read_no_pm(struct sdw_slave *slave, u32 addr); int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); -int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val); +int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, const u8 *val); +int sdw_update(struct sdw_slave *slave, u32 addr, u8 mask, u8 val); +int sdw_update_no_pm(struct sdw_slave *slave, u32 addr, u8 mask, u8 val); + int sdw_compare_devid(struct sdw_slave *slave, struct sdw_slave_id id); void sdw_extract_slave_id(struct sdw_bus *bus, u64 addr, struct sdw_slave_id *id); diff --git a/include/linux/soundwire/sdw_intel.h b/include/linux/soundwire/sdw_intel.h index 3a5446ac014a..8a463b8fc12a 100644 --- a/include/linux/soundwire/sdw_intel.h +++ b/include/linux/soundwire/sdw_intel.h @@ -7,6 +7,85 @@ #include <linux/irqreturn.h> #include <linux/soundwire/sdw.h> +#define SDW_SHIM_BASE 0x2C000 +#define SDW_ALH_BASE 0x2C800 +#define SDW_LINK_BASE 0x30000 +#define SDW_LINK_SIZE 0x10000 + +/* Intel SHIM Registers Definition */ +#define SDW_SHIM_LCAP 0x0 +#define SDW_SHIM_LCTL 0x4 +#define SDW_SHIM_IPPTR 0x8 +#define SDW_SHIM_SYNC 0xC + +#define SDW_SHIM_CTLSCAP(x) (0x010 + 0x60 * (x)) +#define SDW_SHIM_CTLS0CM(x) (0x012 + 0x60 * (x)) +#define SDW_SHIM_CTLS1CM(x) (0x014 + 0x60 * (x)) +#define SDW_SHIM_CTLS2CM(x) (0x016 + 0x60 * (x)) +#define SDW_SHIM_CTLS3CM(x) (0x018 + 0x60 * (x)) +#define SDW_SHIM_PCMSCAP(x) (0x020 + 0x60 * (x)) + +#define SDW_SHIM_PCMSYCHM(x, y) (0x022 + (0x60 * (x)) + (0x2 * (y))) +#define SDW_SHIM_PCMSYCHC(x, y) (0x042 + (0x60 * (x)) + (0x2 * (y))) +#define SDW_SHIM_PDMSCAP(x) (0x062 + 0x60 * (x)) +#define SDW_SHIM_IOCTL(x) (0x06C + 0x60 * (x)) +#define SDW_SHIM_CTMCTL(x) (0x06E + 0x60 * (x)) + +#define SDW_SHIM_WAKEEN 0x190 +#define SDW_SHIM_WAKESTS 0x192 + +#define SDW_SHIM_LCTL_SPA BIT(0) +#define SDW_SHIM_LCTL_SPA_MASK GENMASK(3, 0) +#define SDW_SHIM_LCTL_CPA BIT(8) +#define SDW_SHIM_LCTL_CPA_MASK GENMASK(11, 8) + +#define SDW_SHIM_SYNC_SYNCPRD_VAL_24 (24000 / SDW_CADENCE_GSYNC_KHZ - 1) +#define SDW_SHIM_SYNC_SYNCPRD_VAL_38_4 (38400 / SDW_CADENCE_GSYNC_KHZ - 1) +#define SDW_SHIM_SYNC_SYNCPRD GENMASK(14, 0) +#define SDW_SHIM_SYNC_SYNCCPU BIT(15) +#define SDW_SHIM_SYNC_CMDSYNC_MASK GENMASK(19, 16) +#define SDW_SHIM_SYNC_CMDSYNC BIT(16) +#define SDW_SHIM_SYNC_SYNCGO BIT(24) + +#define SDW_SHIM_PCMSCAP_ISS GENMASK(3, 0) +#define SDW_SHIM_PCMSCAP_OSS GENMASK(7, 4) +#define SDW_SHIM_PCMSCAP_BSS GENMASK(12, 8) + +#define SDW_SHIM_PCMSYCM_LCHN GENMASK(3, 0) +#define SDW_SHIM_PCMSYCM_HCHN GENMASK(7, 4) +#define SDW_SHIM_PCMSYCM_STREAM GENMASK(13, 8) +#define SDW_SHIM_PCMSYCM_DIR BIT(15) + +#define SDW_SHIM_PDMSCAP_ISS GENMASK(3, 0) +#define SDW_SHIM_PDMSCAP_OSS GENMASK(7, 4) +#define SDW_SHIM_PDMSCAP_BSS GENMASK(12, 8) +#define SDW_SHIM_PDMSCAP_CPSS GENMASK(15, 13) + +#define SDW_SHIM_IOCTL_MIF BIT(0) +#define SDW_SHIM_IOCTL_CO BIT(1) +#define SDW_SHIM_IOCTL_COE BIT(2) +#define SDW_SHIM_IOCTL_DO BIT(3) +#define SDW_SHIM_IOCTL_DOE BIT(4) +#define SDW_SHIM_IOCTL_BKE BIT(5) +#define SDW_SHIM_IOCTL_WPDD BIT(6) +#define SDW_SHIM_IOCTL_CIBD BIT(8) +#define SDW_SHIM_IOCTL_DIBD BIT(9) + +#define SDW_SHIM_CTMCTL_DACTQE BIT(0) +#define SDW_SHIM_CTMCTL_DODS BIT(1) +#define SDW_SHIM_CTMCTL_DOAIS GENMASK(4, 3) + +#define SDW_SHIM_WAKEEN_ENABLE BIT(0) +#define SDW_SHIM_WAKESTS_STATUS BIT(0) + +/* Intel ALH Register definitions */ +#define SDW_ALH_STRMZCFG(x) (0x000 + (0x4 * (x))) +#define SDW_ALH_NUM_STREAMS 64 + +#define SDW_ALH_STRMZCFG_DMAT_VAL 0x3 +#define SDW_ALH_STRMZCFG_DMAT GENMASK(7, 0) +#define SDW_ALH_STRMZCFG_CHN GENMASK(19, 16) + /** * struct sdw_intel_stream_params_data: configuration passed during * the @params_stream callback, e.g. for interaction with DSP @@ -58,7 +137,7 @@ struct sdw_intel_acpi_info { u32 link_mask; }; -struct sdw_intel_link_res; +struct sdw_intel_link_dev; /* Intel clock-stop/pm_runtime quirk definitions */ @@ -109,13 +188,15 @@ struct sdw_intel_slave_id { * Controller * @num_slaves: total number of devices exposed across all enabled links * @handle: ACPI parent handle - * @links: information for each link (controller-specific and kept + * @ldev: information for each link (controller-specific and kept * opaque here) * @ids: array of slave_id, representing Slaves exposed across all enabled * links * @link_list: list to handle interrupts across all links * @shim_lock: mutex to handle concurrent rmw access to shared SHIM registers. * @shim_mask: flags to track initialization of SHIM shared registers + * @shim_base: sdw shim base. + * @alh_base: sdw alh base. */ struct sdw_intel_ctx { int count; @@ -123,11 +204,13 @@ struct sdw_intel_ctx { u32 link_mask; int num_slaves; acpi_handle handle; - struct sdw_intel_link_res *links; + struct sdw_intel_link_dev **ldev; struct sdw_intel_slave_id *ids; struct list_head link_list; struct mutex shim_lock; /* lock for access to shared SHIM registers */ u32 shim_mask; + u32 shim_base; + u32 alh_base; }; /** @@ -146,6 +229,8 @@ struct sdw_intel_ctx { * machine-specific quirks are handled in the DSP driver. * @clock_stop_quirks: mask array of possible behaviors requested by the * DSP driver. The quirks are common for all links for now. + * @shim_base: sdw shim base. + * @alh_base: sdw alh base. */ struct sdw_intel_res { int count; @@ -157,6 +242,8 @@ struct sdw_intel_res { struct device *dev; u32 link_mask; u32 clock_stop_quirks; + u32 shim_base; + u32 alh_base; }; /* diff --git a/include/linux/spi/max7301.h b/include/linux/spi/max7301.h index 433c20e2f46e..21449067aedb 100644 --- a/include/linux/spi/max7301.h +++ b/include/linux/spi/max7301.h @@ -2,7 +2,7 @@ #ifndef LINUX_SPI_MAX7301_H #define LINUX_SPI_MAX7301_H -#include <linux/gpio.h> +#include <linux/gpio/driver.h> /* * Some registers must be read back to modify. diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h index 31f00c7f4f59..eaab121ee575 100644 --- a/include/linux/spi/pxa2xx_spi.h +++ b/include/linux/spi/pxa2xx_spi.h @@ -2,8 +2,10 @@ /* * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs */ -#ifndef __linux_pxa2xx_spi_h -#define __linux_pxa2xx_spi_h +#ifndef __LINUX_SPI_PXA2XX_SPI_H +#define __LINUX_SPI_PXA2XX_SPI_H + +#include <linux/types.h> #include <linux/pxa2xx_ssp.h> @@ -12,7 +14,10 @@ struct dma_chan; -/* device.platform_data for SSP controller devices */ +/* + * The platform data for SSP controller devices + * (resides in device.platform_data). + */ struct pxa2xx_spi_controller { u16 num_chipselect; u8 enable_dma; @@ -28,8 +33,11 @@ struct pxa2xx_spi_controller { struct ssp_device ssp; }; -/* spi_board_info.controller_data for SPI slave devices, - * copied to spi_device.platform_data ... mostly for dma tuning +/* + * The controller specific data for SPI slave devices + * (resides in spi_board_info.controller_data), + * copied to spi_device.platform_data ... mostly for + * DMA tuning. */ struct pxa2xx_spi_chip { u8 tx_threshold; @@ -49,4 +57,5 @@ struct pxa2xx_spi_chip { extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_controller *info); #endif -#endif + +#endif /* __LINUX_SPI_PXA2XX_SPI_H */ diff --git a/include/linux/spi/spi-mem.h b/include/linux/spi/spi-mem.h index 2b65c9edc34e..85e2ff7b840d 100644 --- a/include/linux/spi/spi-mem.h +++ b/include/linux/spi/spi-mem.h @@ -250,6 +250,9 @@ static inline void *spi_mem_get_drvdata(struct spi_mem *mem) * the currently mapped area), and the caller of * spi_mem_dirmap_write() is responsible for calling it again in * this case. + * @poll_status: poll memory device status until (status & mask) == match or + * when the timeout has expired. It fills the data buffer with + * the last status value. * * This interface should be implemented by SPI controllers providing an * high-level interface to execute SPI memory operation, which is usually the @@ -274,6 +277,12 @@ struct spi_controller_mem_ops { u64 offs, size_t len, void *buf); ssize_t (*dirmap_write)(struct spi_mem_dirmap_desc *desc, u64 offs, size_t len, const void *buf); + int (*poll_status)(struct spi_mem *mem, + const struct spi_mem_op *op, + u16 mask, u16 match, + unsigned long initial_delay_us, + unsigned long polling_rate_us, + unsigned long timeout_ms); }; /** @@ -369,6 +378,13 @@ devm_spi_mem_dirmap_create(struct device *dev, struct spi_mem *mem, void devm_spi_mem_dirmap_destroy(struct device *dev, struct spi_mem_dirmap_desc *desc); +int spi_mem_poll_status(struct spi_mem *mem, + const struct spi_mem_op *op, + u16 mask, u16 match, + unsigned long initial_delay_us, + unsigned long polling_delay_us, + u16 timeout_ms); + int spi_mem_driver_register_with_owner(struct spi_mem_driver *drv, struct module *owner); diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index 74239d65c7fd..6b0b686f6f90 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -147,7 +147,11 @@ extern int spi_delay_exec(struct spi_delay *_delay, struct spi_transfer *xfer); * not using a GPIO line) * @word_delay: delay to be inserted between consecutive * words of a transfer - * + * @cs_setup: delay to be introduced by the controller after CS is asserted + * @cs_hold: delay to be introduced by the controller before CS is deasserted + * @cs_inactive: delay to be introduced by the controller after CS is + * deasserted. If @cs_change_delay is used from @spi_transfer, then the + * two delays will be added up. * @statistics: statistics for the spi_device * * A @spi_device is used to interchange data between an SPI slave @@ -188,6 +192,10 @@ struct spi_device { int cs_gpio; /* LEGACY: chip select gpio */ struct gpio_desc *cs_gpiod; /* chip select gpio desc */ struct spi_delay word_delay; /* inter-word delay */ + /* CS delays */ + struct spi_delay cs_setup; + struct spi_delay cs_hold; + struct spi_delay cs_inactive; /* the statistics */ struct spi_statistics statistics; @@ -299,6 +307,8 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) driver_unregister(&sdrv->driver); } +extern struct spi_device *spi_new_ancillary_device(struct spi_device *spi, u8 chip_select); + /* use a define to avoid include chaining to get THIS_MODULE */ #define spi_register_driver(driver) \ __spi_register_driver(THIS_MODULE, driver) @@ -337,6 +347,7 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * @max_speed_hz: Highest supported transfer speed * @flags: other constraints relevant to this driver * @slave: indicates that this is an SPI slave controller + * @devm_allocated: whether the allocation of this struct is devres-managed * @max_transfer_size: function that returns the max transfer size for * a &spi_device; may be %NULL, so the default %SIZE_MAX will be used. * @max_message_size: function that returns the max message size for @@ -410,11 +421,6 @@ static inline void spi_unregister_driver(struct spi_driver *sdrv) * controller has native support for memory like operations. * @unprepare_message: undo any work done by prepare_message(). * @slave_abort: abort the ongoing transfer request on an SPI slave controller - * @cs_setup: delay to be introduced by the controller after CS is asserted - * @cs_hold: delay to be introduced by the controller before CS is deasserted - * @cs_inactive: delay to be introduced by the controller after CS is - * deasserted. If @cs_change_delay is used from @spi_transfer, then the - * two delays will be added up. * @cs_gpios: LEGACY: array of GPIO descs to use as chip select lines; one per * CS number. Any individual value may be -ENOENT for CS lines that * are not GPIOs (driven by the SPI controller itself). Use the cs_gpiods @@ -509,7 +515,7 @@ struct spi_controller { #define SPI_MASTER_GPIO_SS BIT(5) /* GPIO CS must select slave */ - /* flag indicating this is a non-devres managed controller */ + /* flag indicating if the allocation of this struct is devres-managed */ bool devm_allocated; /* flag indicating this is an SPI slave controller */ @@ -525,6 +531,9 @@ struct spi_controller { /* I/O mutex */ struct mutex io_mutex; + /* Used to avoid adding the same CS twice */ + struct mutex add_lock; + /* lock and mutex for SPI bus locking */ spinlock_t bus_lock_spinlock; struct mutex bus_lock_mutex; @@ -548,8 +557,7 @@ struct spi_controller { * to configure specific CS timing through spi_set_cs_timing() after * spi_setup(). */ - int (*set_cs_timing)(struct spi_device *spi, struct spi_delay *setup, - struct spi_delay *hold, struct spi_delay *inactive); + int (*set_cs_timing)(struct spi_device *spi); /* bidirectional bulk transfers * @@ -586,6 +594,7 @@ struct spi_controller { bool (*can_dma)(struct spi_controller *ctlr, struct spi_device *spi, struct spi_transfer *xfer); + struct device *dma_map_dev; /* * These hooks are for drivers that want to use the generic @@ -635,11 +644,6 @@ struct spi_controller { /* Optimized handlers for SPI memory-like operations. */ const struct spi_controller_mem_ops *mem_ops; - /* CS delays */ - struct spi_delay cs_setup; - struct spi_delay cs_hold; - struct spi_delay cs_inactive; - /* gpio chip select */ int *cs_gpios; struct gpio_desc **cs_gpiods; @@ -1108,11 +1112,6 @@ static inline void spi_message_free(struct spi_message *m) kfree(m); } -extern int spi_set_cs_timing(struct spi_device *spi, - struct spi_delay *setup, - struct spi_delay *hold, - struct spi_delay *inactive); - extern int spi_setup(struct spi_device *spi); extern int spi_async(struct spi_device *spi, struct spi_message *message); extern int spi_async_locked(struct spi_device *spi, diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 79897841a2cc..45310ea1b1d7 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -12,6 +12,8 @@ * asm/spinlock_types.h: contains the arch_spinlock_t/arch_rwlock_t and the * initializers * + * linux/spinlock_types_raw: + * The raw types and initializers * linux/spinlock_types.h: * defines the generic type and initializers * @@ -31,6 +33,8 @@ * contains the generic, simplified UP spinlock type. * (which is an empty structure on non-debug builds) * + * linux/spinlock_types_raw: + * The raw RT types and initializers * linux/spinlock_types.h: * defines the generic type and initializers * @@ -308,8 +312,10 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock) 1 : ({ local_irq_restore(flags); 0; }); \ }) -/* Include rwlock functions */ +#ifndef CONFIG_PREEMPT_RT +/* Include rwlock functions for !RT */ #include <linux/rwlock.h> +#endif /* * Pull the _spin_*()/_read_*()/_write_*() functions/declarations: @@ -320,6 +326,9 @@ static inline void do_raw_spin_unlock(raw_spinlock_t *lock) __releases(lock) # include <linux/spinlock_api_up.h> #endif +/* Non PREEMPT_RT kernel, map to raw spinlocks: */ +#ifndef CONFIG_PREEMPT_RT + /* * Map the spin_lock functions to the raw variants for PREEMPT_RT=n */ @@ -454,6 +463,10 @@ static __always_inline int spin_is_contended(spinlock_t *lock) #define assert_spin_locked(lock) assert_raw_spin_locked(&(lock)->rlock) +#else /* !CONFIG_PREEMPT_RT */ +# include <linux/spinlock_rt.h> +#endif /* CONFIG_PREEMPT_RT */ + /* * Pull the atomic_t declaration: * (asm-mips/atomic.h needs above definitions) diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h index 19a9be9d97ee..6b8e1a0b137b 100644 --- a/include/linux/spinlock_api_smp.h +++ b/include/linux/spinlock_api_smp.h @@ -187,6 +187,9 @@ static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock) return 0; } +/* PREEMPT_RT has its own rwlock implementation */ +#ifndef CONFIG_PREEMPT_RT #include <linux/rwlock_api_smp.h> +#endif #endif /* __LINUX_SPINLOCK_API_SMP_H */ diff --git a/include/linux/spinlock_rt.h b/include/linux/spinlock_rt.h new file mode 100644 index 000000000000..835aedaf68ac --- /dev/null +++ b/include/linux/spinlock_rt.h @@ -0,0 +1,159 @@ +// SPDX-License-Identifier: GPL-2.0-only +#ifndef __LINUX_SPINLOCK_RT_H +#define __LINUX_SPINLOCK_RT_H + +#ifndef __LINUX_SPINLOCK_H +#error Do not include directly. Use spinlock.h +#endif + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +extern void __rt_spin_lock_init(spinlock_t *lock, const char *name, + struct lock_class_key *key, bool percpu); +#else +static inline void __rt_spin_lock_init(spinlock_t *lock, const char *name, + struct lock_class_key *key, bool percpu) +{ +} +#endif + +#define spin_lock_init(slock) \ +do { \ + static struct lock_class_key __key; \ + \ + rt_mutex_base_init(&(slock)->lock); \ + __rt_spin_lock_init(slock, #slock, &__key, false); \ +} while (0) + +#define local_spin_lock_init(slock) \ +do { \ + static struct lock_class_key __key; \ + \ + rt_mutex_base_init(&(slock)->lock); \ + __rt_spin_lock_init(slock, #slock, &__key, true); \ +} while (0) + +extern void rt_spin_lock(spinlock_t *lock); +extern void rt_spin_lock_nested(spinlock_t *lock, int subclass); +extern void rt_spin_lock_nest_lock(spinlock_t *lock, struct lockdep_map *nest_lock); +extern void rt_spin_unlock(spinlock_t *lock); +extern void rt_spin_lock_unlock(spinlock_t *lock); +extern int rt_spin_trylock_bh(spinlock_t *lock); +extern int rt_spin_trylock(spinlock_t *lock); + +static __always_inline void spin_lock(spinlock_t *lock) +{ + rt_spin_lock(lock); +} + +#ifdef CONFIG_LOCKDEP +# define __spin_lock_nested(lock, subclass) \ + rt_spin_lock_nested(lock, subclass) + +# define __spin_lock_nest_lock(lock, nest_lock) \ + do { \ + typecheck(struct lockdep_map *, &(nest_lock)->dep_map); \ + rt_spin_lock_nest_lock(lock, &(nest_lock)->dep_map); \ + } while (0) +# define __spin_lock_irqsave_nested(lock, flags, subclass) \ + do { \ + typecheck(unsigned long, flags); \ + flags = 0; \ + __spin_lock_nested(lock, subclass); \ + } while (0) + +#else + /* + * Always evaluate the 'subclass' argument to avoid that the compiler + * warns about set-but-not-used variables when building with + * CONFIG_DEBUG_LOCK_ALLOC=n and with W=1. + */ +# define __spin_lock_nested(lock, subclass) spin_lock(((void)(subclass), (lock))) +# define __spin_lock_nest_lock(lock, subclass) spin_lock(((void)(subclass), (lock))) +# define __spin_lock_irqsave_nested(lock, flags, subclass) \ + spin_lock_irqsave(((void)(subclass), (lock)), flags) +#endif + +#define spin_lock_nested(lock, subclass) \ + __spin_lock_nested(lock, subclass) + +#define spin_lock_nest_lock(lock, nest_lock) \ + __spin_lock_nest_lock(lock, nest_lock) + +#define spin_lock_irqsave_nested(lock, flags, subclass) \ + __spin_lock_irqsave_nested(lock, flags, subclass) + +static __always_inline void spin_lock_bh(spinlock_t *lock) +{ + /* Investigate: Drop bh when blocking ? */ + local_bh_disable(); + rt_spin_lock(lock); +} + +static __always_inline void spin_lock_irq(spinlock_t *lock) +{ + rt_spin_lock(lock); +} + +#define spin_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + flags = 0; \ + spin_lock(lock); \ + } while (0) + +static __always_inline void spin_unlock(spinlock_t *lock) +{ + rt_spin_unlock(lock); +} + +static __always_inline void spin_unlock_bh(spinlock_t *lock) +{ + rt_spin_unlock(lock); + local_bh_enable(); +} + +static __always_inline void spin_unlock_irq(spinlock_t *lock) +{ + rt_spin_unlock(lock); +} + +static __always_inline void spin_unlock_irqrestore(spinlock_t *lock, + unsigned long flags) +{ + rt_spin_unlock(lock); +} + +#define spin_trylock(lock) \ + __cond_lock(lock, rt_spin_trylock(lock)) + +#define spin_trylock_bh(lock) \ + __cond_lock(lock, rt_spin_trylock_bh(lock)) + +#define spin_trylock_irq(lock) \ + __cond_lock(lock, rt_spin_trylock(lock)) + +#define __spin_trylock_irqsave(lock, flags) \ +({ \ + int __locked; \ + \ + typecheck(unsigned long, flags); \ + flags = 0; \ + __locked = spin_trylock(lock); \ + __locked; \ +}) + +#define spin_trylock_irqsave(lock, flags) \ + __cond_lock(lock, __spin_trylock_irqsave(lock, flags)) + +#define spin_is_contended(lock) (((void)(lock), 0)) + +static inline int spin_is_locked(spinlock_t *lock) +{ + return rt_mutex_base_is_locked(&lock->lock); +} + +#define assert_spin_locked(lock) BUG_ON(!spin_is_locked(lock)) + +#include <linux/rwlock_rt.h> + +#endif diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h index b981caafe8bf..2dfa35ffec76 100644 --- a/include/linux/spinlock_types.h +++ b/include/linux/spinlock_types.h @@ -9,65 +9,11 @@ * Released under the General Public License (GPL). */ -#if defined(CONFIG_SMP) -# include <asm/spinlock_types.h> -#else -# include <linux/spinlock_types_up.h> -#endif - -#include <linux/lockdep_types.h> +#include <linux/spinlock_types_raw.h> -typedef struct raw_spinlock { - arch_spinlock_t raw_lock; -#ifdef CONFIG_DEBUG_SPINLOCK - unsigned int magic, owner_cpu; - void *owner; -#endif -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map dep_map; -#endif -} raw_spinlock_t; - -#define SPINLOCK_MAGIC 0xdead4ead - -#define SPINLOCK_OWNER_INIT ((void *)-1L) - -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define RAW_SPIN_DEP_MAP_INIT(lockname) \ - .dep_map = { \ - .name = #lockname, \ - .wait_type_inner = LD_WAIT_SPIN, \ - } -# define SPIN_DEP_MAP_INIT(lockname) \ - .dep_map = { \ - .name = #lockname, \ - .wait_type_inner = LD_WAIT_CONFIG, \ - } -#else -# define RAW_SPIN_DEP_MAP_INIT(lockname) -# define SPIN_DEP_MAP_INIT(lockname) -#endif - -#ifdef CONFIG_DEBUG_SPINLOCK -# define SPIN_DEBUG_INIT(lockname) \ - .magic = SPINLOCK_MAGIC, \ - .owner_cpu = -1, \ - .owner = SPINLOCK_OWNER_INIT, -#else -# define SPIN_DEBUG_INIT(lockname) -#endif - -#define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ - { \ - .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ - SPIN_DEBUG_INIT(lockname) \ - RAW_SPIN_DEP_MAP_INIT(lockname) } - -#define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ - (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) - -#define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) +#ifndef CONFIG_PREEMPT_RT +/* Non PREEMPT_RT kernels map spinlock to raw_spinlock */ typedef struct spinlock { union { struct raw_spinlock rlock; @@ -96,6 +42,35 @@ typedef struct spinlock { #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) +#else /* !CONFIG_PREEMPT_RT */ + +/* PREEMPT_RT kernels map spinlock to rt_mutex */ +#include <linux/rtmutex.h> + +typedef struct spinlock { + struct rt_mutex_base lock; +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +} spinlock_t; + +#define __SPIN_LOCK_UNLOCKED(name) \ + { \ + .lock = __RT_MUTEX_BASE_INITIALIZER(name.lock), \ + SPIN_DEP_MAP_INIT(name) \ + } + +#define __LOCAL_SPIN_LOCK_UNLOCKED(name) \ + { \ + .lock = __RT_MUTEX_BASE_INITIALIZER(name.lock), \ + LOCAL_SPIN_DEP_MAP_INIT(name) \ + } + +#define DEFINE_SPINLOCK(name) \ + spinlock_t name = __SPIN_LOCK_UNLOCKED(name) + +#endif /* CONFIG_PREEMPT_RT */ + #include <linux/rwlock_types.h> #endif /* __LINUX_SPINLOCK_TYPES_H */ diff --git a/include/linux/spinlock_types_raw.h b/include/linux/spinlock_types_raw.h new file mode 100644 index 000000000000..91cb36b65a17 --- /dev/null +++ b/include/linux/spinlock_types_raw.h @@ -0,0 +1,73 @@ +#ifndef __LINUX_SPINLOCK_TYPES_RAW_H +#define __LINUX_SPINLOCK_TYPES_RAW_H + +#include <linux/types.h> + +#if defined(CONFIG_SMP) +# include <asm/spinlock_types.h> +#else +# include <linux/spinlock_types_up.h> +#endif + +#include <linux/lockdep_types.h> + +typedef struct raw_spinlock { + arch_spinlock_t raw_lock; +#ifdef CONFIG_DEBUG_SPINLOCK + unsigned int magic, owner_cpu; + void *owner; +#endif +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +} raw_spinlock_t; + +#define SPINLOCK_MAGIC 0xdead4ead + +#define SPINLOCK_OWNER_INIT ((void *)-1L) + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define RAW_SPIN_DEP_MAP_INIT(lockname) \ + .dep_map = { \ + .name = #lockname, \ + .wait_type_inner = LD_WAIT_SPIN, \ + } +# define SPIN_DEP_MAP_INIT(lockname) \ + .dep_map = { \ + .name = #lockname, \ + .wait_type_inner = LD_WAIT_CONFIG, \ + } + +# define LOCAL_SPIN_DEP_MAP_INIT(lockname) \ + .dep_map = { \ + .name = #lockname, \ + .wait_type_inner = LD_WAIT_CONFIG, \ + .lock_type = LD_LOCK_PERCPU, \ + } +#else +# define RAW_SPIN_DEP_MAP_INIT(lockname) +# define SPIN_DEP_MAP_INIT(lockname) +# define LOCAL_SPIN_DEP_MAP_INIT(lockname) +#endif + +#ifdef CONFIG_DEBUG_SPINLOCK +# define SPIN_DEBUG_INIT(lockname) \ + .magic = SPINLOCK_MAGIC, \ + .owner_cpu = -1, \ + .owner = SPINLOCK_OWNER_INIT, +#else +# define SPIN_DEBUG_INIT(lockname) +#endif + +#define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ +{ \ + .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ + SPIN_DEBUG_INIT(lockname) \ + RAW_SPIN_DEP_MAP_INIT(lockname) } + +#define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ + (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) + +#define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) + +#endif /* __LINUX_SPINLOCK_TYPES_RAW_H */ diff --git a/include/linux/srcu.h b/include/linux/srcu.h index a0895bbf71ce..e6011a9975af 100644 --- a/include/linux/srcu.h +++ b/include/linux/srcu.h @@ -64,6 +64,12 @@ unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp); unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp); bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie); +#ifdef CONFIG_SRCU +void srcu_init(void); +#else /* #ifdef CONFIG_SRCU */ +static inline void srcu_init(void) { } +#endif /* #else #ifdef CONFIG_SRCU */ + #ifdef CONFIG_DEBUG_LOCK_ALLOC /** diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index 0e0cf4d6a72a..6cfaa0a9a9b9 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -61,7 +61,7 @@ static inline int __srcu_read_lock(struct srcu_struct *ssp) int idx; idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1; - WRITE_ONCE(ssp->srcu_lock_nesting[idx], ssp->srcu_lock_nesting[idx] + 1); + WRITE_ONCE(ssp->srcu_lock_nesting[idx], READ_ONCE(ssp->srcu_lock_nesting[idx]) + 1); return idx; } @@ -81,11 +81,11 @@ static inline void srcu_torture_stats_print(struct srcu_struct *ssp, { int idx; - idx = ((READ_ONCE(ssp->srcu_idx) + 1) & 0x2) >> 1; + idx = ((data_race(READ_ONCE(ssp->srcu_idx)) + 1) & 0x2) >> 1; pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n", tt, tf, idx, - READ_ONCE(ssp->srcu_lock_nesting[!idx]), - READ_ONCE(ssp->srcu_lock_nesting[idx])); + data_race(READ_ONCE(ssp->srcu_lock_nesting[!idx])), + data_race(READ_ONCE(ssp->srcu_lock_nesting[idx]))); } #endif diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h index 9cfcc8a756ae..cb1f4351e8ba 100644 --- a/include/linux/srcutree.h +++ b/include/linux/srcutree.h @@ -82,9 +82,7 @@ struct srcu_struct { /* callback for the barrier */ /* operation. */ struct delayed_work work; -#ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; -#endif /* #ifdef CONFIG_DEBUG_LOCK_ALLOC */ }; /* Values for state variable (bottom bits of ->srcu_gp_seq). */ diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index 0d5a2691e7e9..f9b53acb4e02 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -7,7 +7,7 @@ #include <linux/types.h> #include <linux/spinlock.h> #include <linux/pci.h> -#include <linux/gpio.h> +#include <linux/gpio/driver.h> #include <linux/mod_devicetable.h> #include <linux/dma-mapping.h> #include <linux/platform_device.h> diff --git a/include/linux/ssb/ssb_driver_extif.h b/include/linux/ssb/ssb_driver_extif.h index 3f8bc973d67d..19253bfacd1a 100644 --- a/include/linux/ssb/ssb_driver_extif.h +++ b/include/linux/ssb/ssb_driver_extif.h @@ -197,7 +197,7 @@ struct ssb_extif { static inline bool ssb_extif_available(struct ssb_extif *extif) { - return 0; + return false; } static inline diff --git a/include/linux/stat.h b/include/linux/stat.h index fff27e603814..7df06931f25d 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -34,6 +34,10 @@ struct kstat { STATX_ATTR_ENCRYPTED | \ STATX_ATTR_VERITY \ )/* Attrs corresponding to FS_*_FL flags */ +#define KSTAT_ATTR_VFS_FLAGS \ + (STATX_ATTR_IMMUTABLE | \ + STATX_ATTR_APPEND \ + ) /* Attrs corresponding to S_* flags that are enforced by the VFS */ u64 ino; dev_t dev; dev_t rdev; diff --git a/include/linux/static_call.h b/include/linux/static_call.h index fc94faa53b5b..3e56a9751c06 100644 --- a/include/linux/static_call.h +++ b/include/linux/static_call.h @@ -17,11 +17,17 @@ * DECLARE_STATIC_CALL(name, func); * DEFINE_STATIC_CALL(name, func); * DEFINE_STATIC_CALL_NULL(name, typename); + * DEFINE_STATIC_CALL_RET0(name, typename); + * + * __static_call_return0; + * * static_call(name)(args...); * static_call_cond(name)(args...); * static_call_update(name, func); * static_call_query(name); * + * EXPORT_STATIC_CALL{,_TRAMP}{,_GPL}() + * * Usage example: * * # Start with the following functions (with identical prototypes): @@ -96,6 +102,33 @@ * To query which function is currently set to be called, use: * * func = static_call_query(name); + * + * + * DEFINE_STATIC_CALL_RET0 / __static_call_return0: + * + * Just like how DEFINE_STATIC_CALL_NULL() / static_call_cond() optimize the + * conditional void function call, DEFINE_STATIC_CALL_RET0 / + * __static_call_return0 optimize the do nothing return 0 function. + * + * This feature is strictly UB per the C standard (since it casts a function + * pointer to a different signature) and relies on the architecture ABI to + * make things work. In particular it relies on Caller Stack-cleanup and the + * whole return register being clobbered for short return values. All normal + * CDECL style ABIs conform. + * + * In particular the x86_64 implementation replaces the 5 byte CALL + * instruction at the callsite with a 5 byte clear of the RAX register, + * completely eliding any function call overhead. + * + * Notably argument setup is unconditional. + * + * + * EXPORT_STATIC_CALL() vs EXPORT_STATIC_CALL_TRAMP(): + * + * The difference is that the _TRAMP variant tries to only export the + * trampoline with the result that a module can use static_call{,_cond}() but + * not static_call_update(). + * */ #include <linux/types.h> diff --git a/include/linux/stdarg.h b/include/linux/stdarg.h new file mode 100644 index 000000000000..c8dc7f4f390c --- /dev/null +++ b/include/linux/stdarg.h @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +#ifndef _LINUX_STDARG_H +#define _LINUX_STDARG_H + +typedef __builtin_va_list va_list; +#define va_start(v, l) __builtin_va_start(v, l) +#define va_end(v) __builtin_va_end(v) +#define va_arg(v, T) __builtin_va_arg(v, T) +#define va_copy(d, s) __builtin_va_copy(d, s) + +#endif diff --git a/include/linux/stm.h b/include/linux/stm.h index c6f577ab6f21..3b22689512be 100644 --- a/include/linux/stm.h +++ b/include/linux/stm.h @@ -57,7 +57,7 @@ struct stm_device; * * Normally, an STM device will have a range of masters available to software * and the rest being statically assigned to various hardware trace sources. - * The former is defined by the the range [@sw_start..@sw_end] of the device + * The former is defined by the range [@sw_start..@sw_end] of the device * description. That is, the lowest master that can be allocated to software * writers is @sw_start and data from this writer will appear is @sw_start * master in the STP stream. diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h index 0db36360ef21..a6f03b36fc4f 100644 --- a/include/linux/stmmac.h +++ b/include/linux/stmmac.h @@ -115,7 +115,9 @@ struct stmmac_axi { #define EST_GCL 1024 struct stmmac_est { + struct mutex lock; int enable; + u32 btr_reserve[2]; u32 btr_offset[2]; u32 btr[2]; u32 ctr[2]; @@ -172,6 +174,18 @@ struct stmmac_fpe_cfg { enum stmmac_fpe_state lo_fpe_state; /* Local station FPE state */ }; +struct stmmac_safety_feature_cfg { + u32 tsoee; + u32 mrxpee; + u32 mestee; + u32 mrxee; + u32 mtxee; + u32 epsi; + u32 edpp; + u32 prtyen; + u32 tmouten; +}; + struct plat_stmmacenet_data { int bus_id; int phy_addr; @@ -184,6 +198,7 @@ struct plat_stmmacenet_data { struct stmmac_dma_cfg *dma_cfg; struct stmmac_est *est; struct stmmac_fpe_cfg *fpe_cfg; + struct stmmac_safety_feature_cfg *safety_feat_cfg; int clk_csr; int has_gmac; int enh_desc; @@ -210,6 +225,7 @@ struct plat_stmmacenet_data { void (*fix_mac_speed)(void *priv, unsigned int speed); int (*serdes_powerup)(struct net_device *ndev, void *priv); void (*serdes_powerdown)(struct net_device *ndev, void *priv); + void (*speed_mode_2500)(struct net_device *ndev, void *priv); void (*ptp_clk_freq_config)(void *priv); int (*init)(struct platform_device *pdev, void *priv); void (*exit)(struct platform_device *pdev, void *priv); @@ -223,8 +239,10 @@ struct plat_stmmacenet_data { struct clk *clk_ptp_ref; unsigned int clk_ptp_rate; unsigned int clk_ref_rate; + unsigned int mult_fact_100ns; s32 ptp_max_adj; struct reset_control *stmmac_rst; + struct reset_control *stmmac_ahb_rst; struct stmmac_axi *axi; int has_gmac4; bool has_sun8i; @@ -249,5 +267,6 @@ struct plat_stmmacenet_data { int msi_sfty_ue_vec; int msi_rx_base_vec; int msi_tx_base_vec; + bool use_phy_wol; }; #endif diff --git a/include/linux/string.h b/include/linux/string.h index 9521d8cab18e..5e96d656be7a 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -2,12 +2,11 @@ #ifndef _LINUX_STRING_H_ #define _LINUX_STRING_H_ - #include <linux/compiler.h> /* for inline */ #include <linux/types.h> /* for size_t */ #include <linux/stddef.h> /* for NULL */ #include <linux/errno.h> /* for E2BIG */ -#include <stdarg.h> +#include <linux/stdarg.h> #include <uapi/linux/string.h> extern char *strndup_user(const char __user *, long); @@ -184,12 +183,6 @@ extern char **argv_split(gfp_t gfp, const char *str, int *argcp); extern void argv_free(char **argv); extern bool sysfs_streq(const char *s1, const char *s2); -extern int kstrtobool(const char *s, bool *res); -static inline int strtobool(const char *s, bool *res) -{ - return kstrtobool(s, res); -} - int match_string(const char * const *array, size_t n, const char *string); int __sysfs_match_string(const char * const *array, size_t n, const char *s); diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index fa06dcdc481e..68189c4a2eb1 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -2,6 +2,7 @@ #ifndef _LINUX_STRING_HELPERS_H_ #define _LINUX_STRING_HELPERS_H_ +#include <linux/bits.h> #include <linux/ctype.h> #include <linux/types.h> @@ -18,13 +19,15 @@ enum string_size_units { void string_get_size(u64 size, u64 blk_size, enum string_size_units units, char *buf, int len); -#define UNESCAPE_SPACE 0x01 -#define UNESCAPE_OCTAL 0x02 -#define UNESCAPE_HEX 0x04 -#define UNESCAPE_SPECIAL 0x08 +#define UNESCAPE_SPACE BIT(0) +#define UNESCAPE_OCTAL BIT(1) +#define UNESCAPE_HEX BIT(2) +#define UNESCAPE_SPECIAL BIT(3) #define UNESCAPE_ANY \ (UNESCAPE_SPACE | UNESCAPE_OCTAL | UNESCAPE_HEX | UNESCAPE_SPECIAL) +#define UNESCAPE_ALL_MASK GENMASK(3, 0) + int string_unescape(char *src, char *dst, size_t size, unsigned int flags); static inline int string_unescape_inplace(char *buf, unsigned int flags) @@ -42,22 +45,24 @@ static inline int string_unescape_any_inplace(char *buf) return string_unescape_any(buf, buf, 0); } -#define ESCAPE_SPACE 0x01 -#define ESCAPE_SPECIAL 0x02 -#define ESCAPE_NULL 0x04 -#define ESCAPE_OCTAL 0x08 +#define ESCAPE_SPACE BIT(0) +#define ESCAPE_SPECIAL BIT(1) +#define ESCAPE_NULL BIT(2) +#define ESCAPE_OCTAL BIT(3) #define ESCAPE_ANY \ (ESCAPE_SPACE | ESCAPE_OCTAL | ESCAPE_SPECIAL | ESCAPE_NULL) -#define ESCAPE_NP 0x10 +#define ESCAPE_NP BIT(4) #define ESCAPE_ANY_NP (ESCAPE_ANY | ESCAPE_NP) -#define ESCAPE_HEX 0x20 +#define ESCAPE_HEX BIT(5) +#define ESCAPE_NA BIT(6) +#define ESCAPE_NAP BIT(7) +#define ESCAPE_APPEND BIT(8) + +#define ESCAPE_ALL_MASK GENMASK(8, 0) int string_escape_mem(const char *src, size_t isz, char *dst, size_t osz, unsigned int flags, const char *only); -int string_escape_mem_ascii(const char *src, size_t isz, char *dst, - size_t osz); - static inline int string_escape_mem_any_np(const char *src, size_t isz, char *dst, size_t osz, const char *only) { diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index d0965e2997b0..b134b2b3371c 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -14,6 +14,7 @@ #include <linux/kref.h> #include <linux/slab.h> #include <linux/atomic.h> +#include <linux/kstrtox.h> #include <linux/proc_fs.h> /* diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h index 02e7a5863d28..a4661646adc9 100644 --- a/include/linux/sunrpc/clnt.h +++ b/include/linux/sunrpc/clnt.h @@ -14,6 +14,7 @@ #include <linux/socket.h> #include <linux/in.h> #include <linux/in6.h> +#include <linux/refcount.h> #include <linux/sunrpc/msg_prot.h> #include <linux/sunrpc/sched.h> @@ -29,12 +30,13 @@ #include <linux/sunrpc/xprtmultipath.h> struct rpc_inode; +struct rpc_sysfs_client; /* * The high-level client handle */ struct rpc_clnt { - atomic_t cl_count; /* Number of references */ + refcount_t cl_count; /* Number of references */ unsigned int cl_clid; /* client id */ struct list_head cl_clients; /* Global list of clients */ struct list_head cl_tasks; /* List of tasks */ @@ -71,6 +73,7 @@ struct rpc_clnt { #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) struct dentry *cl_debugfs; /* debugfs directory */ #endif + struct rpc_sysfs_client *cl_sysfs; /* sysfs directory */ /* cl_work is only needed after cl_xpi is no longer used, * and that are of similar size */ @@ -79,6 +82,7 @@ struct rpc_clnt { struct work_struct cl_work; }; const struct cred *cl_cred; + unsigned int cl_max_connect; /* max number of transports not to the same IP */ }; /* @@ -133,6 +137,7 @@ struct rpc_create_args { char *client_name; struct svc_xprt *bc_xprt; /* NFSv4.1 backchannel */ const struct cred *cred; + unsigned int max_connect; }; struct rpc_add_xprt_test { diff --git a/include/linux/sunrpc/msg_prot.h b/include/linux/sunrpc/msg_prot.h index 938c2bf29db8..02117ed0fa2e 100644 --- a/include/linux/sunrpc/msg_prot.h +++ b/include/linux/sunrpc/msg_prot.h @@ -20,6 +20,7 @@ enum rpc_auth_flavors { RPC_AUTH_DES = 3, RPC_AUTH_KRB = 4, RPC_AUTH_GSS = 6, + RPC_AUTH_TLS = 7, RPC_AUTH_MAXFLAVOR = 8, /* pseudoflavors: */ RPC_AUTH_GSS_KRB5 = 390003, diff --git a/include/linux/sunrpc/sched.h b/include/linux/sunrpc/sched.h index df696efdd675..a237b8dbf608 100644 --- a/include/linux/sunrpc/sched.h +++ b/include/linux/sunrpc/sched.h @@ -121,6 +121,7 @@ struct rpc_task_setup { */ #define RPC_TASK_ASYNC 0x0001 /* is an async task */ #define RPC_TASK_SWAPPER 0x0002 /* is swapping in/out */ +#define RPC_TASK_MOVEABLE 0x0004 /* nfs4.1+ rpc tasks */ #define RPC_TASK_NULLCREDS 0x0010 /* Use AUTH_NULL credential */ #define RPC_CALL_MAJORSEEN 0x0020 /* major timeout seen */ #define RPC_TASK_ROOTCREDS 0x0040 /* force root creds */ @@ -139,6 +140,7 @@ struct rpc_task_setup { #define RPC_IS_SOFT(t) ((t)->tk_flags & (RPC_TASK_SOFT|RPC_TASK_TIMEOUT)) #define RPC_IS_SOFTCONN(t) ((t)->tk_flags & RPC_TASK_SOFTCONN) #define RPC_WAS_SENT(t) ((t)->tk_flags & RPC_TASK_SENT) +#define RPC_IS_MOVEABLE(t) ((t)->tk_flags & RPC_TASK_MOVEABLE) #define RPC_TASK_RUNNING 0 #define RPC_TASK_QUEUED 1 diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index e91d51ea028b..064c96157d1f 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -19,6 +19,7 @@ #include <linux/sunrpc/svcauth.h> #include <linux/wait.h> #include <linux/mm.h> +#include <linux/pagevec.h> /* statistics for svc_pool structures */ struct svc_pool_stats { @@ -256,6 +257,7 @@ struct svc_rqst { struct page * *rq_next_page; /* next reply page to use */ struct page * *rq_page_end; /* one past the last page */ + struct pagevec rq_pvec; struct kvec rq_vec[RPCSVC_MAXPAGES]; /* generally useful.. */ struct bio_vec rq_bvec[RPCSVC_MAXPAGES]; @@ -275,13 +277,13 @@ struct svc_rqst { #define RQ_VICTIM (5) /* about to be shut down */ #define RQ_BUSY (6) /* request is busy */ #define RQ_DATA (7) /* request has data */ -#define RQ_AUTHERR (8) /* Request status is auth error */ unsigned long rq_flags; /* flags field */ ktime_t rq_qtime; /* enqueue time */ void * rq_argp; /* decoded arguments */ void * rq_resp; /* xdr'd results */ void * rq_auth_data; /* flavor-specific data */ + __be32 rq_auth_stat; /* authentication status */ int rq_auth_slack; /* extra space xdr code * should leave in head * for krb5i, krb5p. @@ -502,6 +504,8 @@ struct svc_rqst *svc_rqst_alloc(struct svc_serv *serv, struct svc_pool *pool, int node); struct svc_rqst *svc_prepare_thread(struct svc_serv *serv, struct svc_pool *pool, int node); +void svc_rqst_replace_page(struct svc_rqst *rqstp, + struct page *page); void svc_rqst_free(struct svc_rqst *); void svc_exit_thread(struct svc_rqst *); unsigned int svc_pool_map_get(void); @@ -523,6 +527,7 @@ void svc_wake_up(struct svc_serv *); void svc_reserve(struct svc_rqst *rqstp, int space); struct svc_pool * svc_pool_for_cpu(struct svc_serv *serv, int cpu); char * svc_print_addr(struct svc_rqst *, char *, size_t); +const char * svc_proc_name(const struct svc_rqst *rqstp); int svc_encode_result_payload(struct svc_rqst *rqstp, unsigned int offset, unsigned int length); @@ -532,7 +537,6 @@ unsigned int svc_fill_write_vector(struct svc_rqst *rqstp, char *svc_fill_symlink_pathname(struct svc_rqst *rqstp, struct kvec *first, void *p, size_t total); -__be32 svc_return_autherr(struct svc_rqst *rqstp, __be32 auth_err); __be32 svc_generic_init_request(struct svc_rqst *rqstp, const struct svc_program *progp, struct svc_process_info *procinfo); diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h index 3184465de3a0..24aa159d29a7 100644 --- a/include/linux/sunrpc/svc_rdma.h +++ b/include/linux/sunrpc/svc_rdma.h @@ -90,9 +90,9 @@ struct svcxprt_rdma { struct ib_pd *sc_pd; spinlock_t sc_send_lock; - struct list_head sc_send_ctxts; + struct llist_head sc_send_ctxts; spinlock_t sc_rw_ctxt_lock; - struct list_head sc_rw_ctxts; + struct llist_head sc_rw_ctxts; u32 sc_pending_recvs; u32 sc_recv_batch; @@ -150,7 +150,7 @@ struct svc_rdma_recv_ctxt { }; struct svc_rdma_send_ctxt { - struct list_head sc_list; + struct llist_node sc_node; struct rpc_rdma_cid sc_cid; struct ib_send_wr sc_send_wr; @@ -207,6 +207,7 @@ extern void svc_rdma_send_error_msg(struct svcxprt_rdma *rdma, struct svc_rdma_send_ctxt *sctxt, struct svc_rdma_recv_ctxt *rctxt, int status); +extern void svc_rdma_wake_send_waiters(struct svcxprt_rdma *rdma, int avail); extern int svc_rdma_sendto(struct svc_rqst *); extern int svc_rdma_result_payload(struct svc_rqst *rqstp, unsigned int offset, unsigned int length); diff --git a/include/linux/sunrpc/svcauth.h b/include/linux/sunrpc/svcauth.h index b0003866a249..6d9cc9080aca 100644 --- a/include/linux/sunrpc/svcauth.h +++ b/include/linux/sunrpc/svcauth.h @@ -127,7 +127,7 @@ struct auth_ops { char * name; struct module *owner; int flavour; - int (*accept)(struct svc_rqst *rq, __be32 *authp); + int (*accept)(struct svc_rqst *rq); int (*release)(struct svc_rqst *rq); void (*domain_release)(struct auth_domain *); int (*set_client)(struct svc_rqst *rq); @@ -149,7 +149,7 @@ struct auth_ops { struct svc_xprt; -extern int svc_authenticate(struct svc_rqst *rqstp, __be32 *authp); +extern int svc_authenticate(struct svc_rqst *rqstp); extern int svc_authorise(struct svc_rqst *rqstp); extern int svc_set_client(struct svc_rqst *rqstp); extern int svc_auth_register(rpc_authflavor_t flavor, struct auth_ops *aops); diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h index a965cbc136ad..b519609af1d0 100644 --- a/include/linux/sunrpc/xdr.h +++ b/include/linux/sunrpc/xdr.h @@ -95,6 +95,7 @@ xdr_buf_init(struct xdr_buf *buf, void *start, size_t len) #define rpc_auth_unix cpu_to_be32(RPC_AUTH_UNIX) #define rpc_auth_short cpu_to_be32(RPC_AUTH_SHORT) #define rpc_auth_gss cpu_to_be32(RPC_AUTH_GSS) +#define rpc_auth_tls cpu_to_be32(RPC_AUTH_TLS) #define rpc_call cpu_to_be32(RPC_CALL) #define rpc_reply cpu_to_be32(RPC_REPLY) diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h index 61b622e334ee..955ea4d7af0b 100644 --- a/include/linux/sunrpc/xprt.h +++ b/include/linux/sunrpc/xprt.h @@ -53,6 +53,7 @@ enum rpc_display_format_t { struct rpc_task; struct rpc_xprt; +struct xprt_class; struct seq_file; struct svc_serv; struct net; @@ -182,9 +183,11 @@ enum xprt_transports { XPRT_TRANSPORT_LOCAL = 257, }; +struct rpc_sysfs_xprt; struct rpc_xprt { struct kref kref; /* Reference count */ const struct rpc_xprt_ops *ops; /* transport methods */ + unsigned int id; /* transport id */ const struct rpc_timeout *timeout; /* timeout parms */ struct sockaddr_storage addr; /* server address */ @@ -285,9 +288,11 @@ struct rpc_xprt { const char *address_strings[RPC_DISPLAY_MAX]; #if IS_ENABLED(CONFIG_SUNRPC_DEBUG) struct dentry *debugfs; /* debugfs directory */ - atomic_t inject_disconnect; #endif struct rcu_head rcu; + const struct xprt_class *xprt_class; + struct rpc_sysfs_xprt *xprt_sysfs; + bool main; /*mark if this is the 1st transport */ }; #if defined(CONFIG_SUNRPC_BACKCHANNEL) @@ -370,6 +375,7 @@ struct rpc_xprt * xprt_alloc(struct net *net, size_t size, void xprt_free(struct rpc_xprt *); void xprt_add_backlog(struct rpc_xprt *xprt, struct rpc_task *task); bool xprt_wake_up_backlog(struct rpc_xprt *xprt, struct rpc_rqst *req); +void xprt_cleanup_ids(void); static inline int xprt_enable_swap(struct rpc_xprt *xprt) @@ -408,6 +414,7 @@ void xprt_conditional_disconnect(struct rpc_xprt *xprt, unsigned int cookie); bool xprt_lock_connect(struct rpc_xprt *, struct rpc_task *, void *); void xprt_unlock_connect(struct rpc_xprt *, void *); +void xprt_release_write(struct rpc_xprt *, struct rpc_task *); /* * Reserved bit positions in xprt->state @@ -419,9 +426,12 @@ void xprt_unlock_connect(struct rpc_xprt *, void *); #define XPRT_BOUND (4) #define XPRT_BINDING (5) #define XPRT_CLOSING (6) +#define XPRT_OFFLINE (7) +#define XPRT_REMOVE (8) #define XPRT_CONGESTED (9) #define XPRT_CWND_WAIT (10) #define XPRT_WRITE_SPACE (11) +#define XPRT_SND_IS_COOKIE (12) static inline void xprt_set_connected(struct rpc_xprt *xprt) { @@ -492,21 +502,4 @@ static inline int xprt_test_and_set_binding(struct rpc_xprt *xprt) return test_and_set_bit(XPRT_BINDING, &xprt->state); } -#if IS_ENABLED(CONFIG_SUNRPC_DEBUG) -extern unsigned int rpc_inject_disconnect; -static inline void xprt_inject_disconnect(struct rpc_xprt *xprt) -{ - if (!rpc_inject_disconnect) - return; - if (atomic_dec_return(&xprt->inject_disconnect)) - return; - atomic_set(&xprt->inject_disconnect, rpc_inject_disconnect); - xprt->ops->inject_disconnect(xprt); -} -#else -static inline void xprt_inject_disconnect(struct rpc_xprt *xprt) -{ -} -#endif - #endif /* _LINUX_SUNRPC_XPRT_H */ diff --git a/include/linux/sunrpc/xprtmultipath.h b/include/linux/sunrpc/xprtmultipath.h index c6cce3fbf29d..bbb8a5fa0816 100644 --- a/include/linux/sunrpc/xprtmultipath.h +++ b/include/linux/sunrpc/xprtmultipath.h @@ -10,12 +10,15 @@ #define _NET_SUNRPC_XPRTMULTIPATH_H struct rpc_xprt_iter_ops; +struct rpc_sysfs_xprt_switch; struct rpc_xprt_switch { spinlock_t xps_lock; struct kref xps_kref; + unsigned int xps_id; unsigned int xps_nxprts; unsigned int xps_nactive; + unsigned int xps_nunique_destaddr_xprts; atomic_long_t xps_queuelen; struct list_head xps_xprt_list; @@ -23,6 +26,7 @@ struct rpc_xprt_switch { const struct rpc_xprt_iter_ops *xps_iter_ops; + struct rpc_sysfs_xprt_switch *xps_sysfs; struct rcu_head xps_rcu; }; @@ -71,4 +75,7 @@ extern struct rpc_xprt *xprt_iter_get_next(struct rpc_xprt_iter *xpi); extern bool rpc_xprt_switch_has_addr(struct rpc_xprt_switch *xps, const struct sockaddr *sap); + +extern void xprt_multipath_cleanup_ids(void); + #endif diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h index 3c1423ee74b4..8c2a712cb242 100644 --- a/include/linux/sunrpc/xprtsock.h +++ b/include/linux/sunrpc/xprtsock.h @@ -10,6 +10,7 @@ int init_socket_xprt(void); void cleanup_socket_xprt(void); +unsigned short get_srcport(struct rpc_xprt *); #define RPC_MIN_RESVPORT (1U) #define RPC_MAX_RESVPORT (65535U) diff --git a/include/linux/surface_aggregator/controller.h b/include/linux/surface_aggregator/controller.h index 0806796eabcb..068e1982ad37 100644 --- a/include/linux/surface_aggregator/controller.h +++ b/include/linux/surface_aggregator/controller.h @@ -6,7 +6,7 @@ * managing access and communication to and from the SSAM EC, as well as main * communication structures and definitions. * - * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com> */ #ifndef _LINUX_SURFACE_AGGREGATOR_CONTROLLER_H @@ -796,6 +796,20 @@ enum ssam_event_mask { SSAM_EVENT_REGISTRY(SSAM_SSH_TC_REG, 0x02, 0x01, 0x02) /** + * enum ssam_event_notifier_flags - Flags for event notifiers. + * @SSAM_EVENT_NOTIFIER_OBSERVER: + * The corresponding notifier acts as observer. Registering a notifier + * with this flag set will not attempt to enable any event. Equally, + * unregistering will not attempt to disable any event. Note that a + * notifier with this flag may not even correspond to a certain event at + * all, only to a specific event target category. Event matching will not + * be influenced by this flag. + */ +enum ssam_event_notifier_flags { + SSAM_EVENT_NOTIFIER_OBSERVER = BIT(0), +}; + +/** * struct ssam_event_notifier - Notifier block for SSAM events. * @base: The base notifier block with callback function and priority. * @event: The event for which this block will receive notifications. @@ -803,6 +817,7 @@ enum ssam_event_mask { * @event.id: ID specifying the event. * @event.mask: Flags determining how events are matched to the notifier. * @event.flags: Flags used for enabling the event. + * @flags: Notifier flags (see &enum ssam_event_notifier_flags). */ struct ssam_event_notifier { struct ssam_notifier_block base; @@ -813,6 +828,8 @@ struct ssam_event_notifier { enum ssam_event_mask mask; u8 flags; } event; + + unsigned long flags; }; int ssam_notifier_register(struct ssam_controller *ctrl, @@ -821,4 +838,12 @@ int ssam_notifier_register(struct ssam_controller *ctrl, int ssam_notifier_unregister(struct ssam_controller *ctrl, struct ssam_event_notifier *n); +int ssam_controller_event_enable(struct ssam_controller *ctrl, + struct ssam_event_registry reg, + struct ssam_event_id id, u8 flags); + +int ssam_controller_event_disable(struct ssam_controller *ctrl, + struct ssam_event_registry reg, + struct ssam_event_id id, u8 flags); + #endif /* _LINUX_SURFACE_AGGREGATOR_CONTROLLER_H */ diff --git a/include/linux/surface_aggregator/device.h b/include/linux/surface_aggregator/device.h index 6ff9c58b3e17..f636c5310321 100644 --- a/include/linux/surface_aggregator/device.h +++ b/include/linux/surface_aggregator/device.h @@ -7,7 +7,7 @@ * Provides support for non-platform/non-ACPI SSAM clients via dedicated * subsystem. * - * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com> */ #ifndef _LINUX_SURFACE_AGGREGATOR_DEVICE_H diff --git a/include/linux/surface_aggregator/serial_hub.h b/include/linux/surface_aggregator/serial_hub.h index 64276fbfa1d5..c3de43edcffa 100644 --- a/include/linux/surface_aggregator/serial_hub.h +++ b/include/linux/surface_aggregator/serial_hub.h @@ -6,7 +6,7 @@ * Surface System Aggregator Module (SSAM). Provides the interface for basic * packet- and request-based communication with the SSAM EC via SSH. * - * Copyright (C) 2019-2020 Maximilian Luz <luzmaximilian@gmail.com> + * Copyright (C) 2019-2021 Maximilian Luz <luzmaximilian@gmail.com> */ #ifndef _LINUX_SURFACE_AGGREGATOR_SERIAL_HUB_H diff --git a/include/linux/swap.h b/include/linux/swap.h index 144727041e78..ba52f3a3478e 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -62,12 +62,17 @@ static inline int current_is_kswapd(void) * migrate part of a process memory to device memory. * * When a page is migrated from CPU to device, we set the CPU page table entry - * to a special SWP_DEVICE_* entry. + * to a special SWP_DEVICE_{READ|WRITE} entry. + * + * When a page is mapped by the device for exclusive access we set the CPU page + * table entries to special SWP_DEVICE_EXCLUSIVE_* entries. */ #ifdef CONFIG_DEVICE_PRIVATE -#define SWP_DEVICE_NUM 2 +#define SWP_DEVICE_NUM 4 #define SWP_DEVICE_WRITE (MAX_SWAPFILES+SWP_HWPOISON_NUM+SWP_MIGRATION_NUM) #define SWP_DEVICE_READ (MAX_SWAPFILES+SWP_HWPOISON_NUM+SWP_MIGRATION_NUM+1) +#define SWP_DEVICE_EXCLUSIVE_WRITE (MAX_SWAPFILES+SWP_HWPOISON_NUM+SWP_MIGRATION_NUM+2) +#define SWP_DEVICE_EXCLUSIVE_READ (MAX_SWAPFILES+SWP_HWPOISON_NUM+SWP_MIGRATION_NUM+3) #else #define SWP_DEVICE_NUM 0 #endif @@ -177,7 +182,6 @@ enum { SWP_PAGE_DISCARD = (1 << 10), /* freed swap page-cluster discards */ SWP_STABLE_WRITES = (1 << 11), /* no overwrite PG_writeback pages */ SWP_SYNCHRONOUS_IO = (1 << 12), /* synchronous IO is efficient */ - SWP_VALID = (1 << 13), /* swap is valid to be operated on? */ /* add others here before... */ SWP_SCANNING = (1 << 14), /* refcount in scan_swap_map */ }; @@ -240,6 +244,7 @@ struct swap_cluster_list { * The in-memory structure used to track swap areas. */ struct swap_info_struct { + struct percpu_ref users; /* indicate and keep swap device valid. */ unsigned long flags; /* SWP_USED etc: see above */ signed short prio; /* swap priority of this type */ struct plist_node list; /* entry in swap_active_head */ @@ -260,6 +265,7 @@ struct swap_info_struct { struct block_device *bdev; /* swap device or bdev of swap file */ struct file *swap_file; /* seldom referenced */ unsigned int old_block_size; /* seldom referenced */ + struct completion comp; /* seldom referenced */ #ifdef CONFIG_FRONTSWAP unsigned long *frontswap_map; /* frontswap in-use, one bit per page */ atomic_t frontswap_pages; /* frontswap pages in-use counter */ @@ -402,7 +408,7 @@ static inline bool node_reclaim_enabled(void) extern void check_move_unevictable_pages(struct pagevec *pvec); -extern int kswapd_run(int nid); +extern void kswapd_run(int nid); extern void kswapd_stop(int nid); #ifdef CONFIG_SWAP @@ -445,6 +451,7 @@ extern void __delete_from_swap_cache(struct page *page, extern void delete_from_swap_cache(struct page *); extern void clear_shadow_from_swap_cache(int type, unsigned long begin, unsigned long end); +extern void free_swap_cache(struct page *); extern void free_page_and_swap_cache(struct page *); extern void free_pages_and_swap_cache(struct page **, int); extern struct page *lookup_swap_cache(swp_entry_t entry, @@ -511,7 +518,7 @@ sector_t swap_page_sector(struct page *page); static inline void put_swap_device(struct swap_info_struct *si) { - rcu_read_unlock(); + percpu_ref_put(&si->users); } #else /* CONFIG_SWAP */ @@ -526,7 +533,20 @@ static inline struct swap_info_struct *swp_swap_info(swp_entry_t entry) return NULL; } -#define swap_address_space(entry) (NULL) +static inline struct swap_info_struct *get_swap_device(swp_entry_t entry) +{ + return NULL; +} + +static inline void put_swap_device(struct swap_info_struct *si) +{ +} + +static inline struct address_space *swap_address_space(swp_entry_t entry) +{ + return NULL; +} + #define get_nr_swap_pages() 0L #define total_swap_pages 0L #define total_swapcache_pages() 0UL @@ -541,12 +561,16 @@ static inline struct swap_info_struct *swp_swap_info(swp_entry_t entry) #define free_pages_and_swap_cache(pages, nr) \ release_pages((pages), (nr)); +static inline void free_swap_cache(struct page *page) +{ +} + static inline void show_swap_cache_info(void) { } -#define free_swap_and_cache(e) ({(is_migration_entry(e) || is_device_private_entry(e));}) -#define swapcache_prepare(e) ({(is_migration_entry(e) || is_device_private_entry(e));}) +/* used to sanity check ptes in zap_pte_range when CONFIG_SWAP=0 */ +#define free_swap_and_cache(e) is_pfn_swap_entry(e) static inline int add_swap_count_continuation(swp_entry_t swp, gfp_t gfp_mask) { @@ -697,7 +721,13 @@ static inline int mem_cgroup_swappiness(struct mem_cgroup *mem) #endif #if defined(CONFIG_SWAP) && defined(CONFIG_MEMCG) && defined(CONFIG_BLK_CGROUP) -extern void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask); +extern void __cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask); +static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask) +{ + if (mem_cgroup_disabled()) + return; + __cgroup_throttle_swaprate(page, gfp_mask); +} #else static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask) { @@ -706,8 +736,22 @@ static inline void cgroup_throttle_swaprate(struct page *page, gfp_t gfp_mask) #ifdef CONFIG_MEMCG_SWAP extern void mem_cgroup_swapout(struct page *page, swp_entry_t entry); -extern int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry); -extern void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages); +extern int __mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry); +static inline int mem_cgroup_try_charge_swap(struct page *page, swp_entry_t entry) +{ + if (mem_cgroup_disabled()) + return 0; + return __mem_cgroup_try_charge_swap(page, entry); +} + +extern void __mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages); +static inline void mem_cgroup_uncharge_swap(swp_entry_t entry, unsigned int nr_pages) +{ + if (mem_cgroup_disabled()) + return; + __mem_cgroup_uncharge_swap(entry, nr_pages); +} + extern long mem_cgroup_get_nr_swap_pages(struct mem_cgroup *memcg); extern bool mem_cgroup_swap_full(struct page *page); #else diff --git a/include/linux/swapops.h b/include/linux/swapops.h index 6430a94c6981..d356ab4047f7 100644 --- a/include/linux/swapops.h +++ b/include/linux/swapops.h @@ -107,10 +107,14 @@ static inline void *swp_to_radix_entry(swp_entry_t entry) } #if IS_ENABLED(CONFIG_DEVICE_PRIVATE) -static inline swp_entry_t make_device_private_entry(struct page *page, bool write) +static inline swp_entry_t make_readable_device_private_entry(pgoff_t offset) { - return swp_entry(write ? SWP_DEVICE_WRITE : SWP_DEVICE_READ, - page_to_pfn(page)); + return swp_entry(SWP_DEVICE_READ, offset); +} + +static inline swp_entry_t make_writable_device_private_entry(pgoff_t offset) +{ + return swp_entry(SWP_DEVICE_WRITE, offset); } static inline bool is_device_private_entry(swp_entry_t entry) @@ -119,33 +123,40 @@ static inline bool is_device_private_entry(swp_entry_t entry) return type == SWP_DEVICE_READ || type == SWP_DEVICE_WRITE; } -static inline void make_device_private_entry_read(swp_entry_t *entry) +static inline bool is_writable_device_private_entry(swp_entry_t entry) { - *entry = swp_entry(SWP_DEVICE_READ, swp_offset(*entry)); + return unlikely(swp_type(entry) == SWP_DEVICE_WRITE); } -static inline bool is_write_device_private_entry(swp_entry_t entry) +static inline swp_entry_t make_readable_device_exclusive_entry(pgoff_t offset) { - return unlikely(swp_type(entry) == SWP_DEVICE_WRITE); + return swp_entry(SWP_DEVICE_EXCLUSIVE_READ, offset); } -static inline unsigned long device_private_entry_to_pfn(swp_entry_t entry) +static inline swp_entry_t make_writable_device_exclusive_entry(pgoff_t offset) { - return swp_offset(entry); + return swp_entry(SWP_DEVICE_EXCLUSIVE_WRITE, offset); } -static inline struct page *device_private_entry_to_page(swp_entry_t entry) +static inline bool is_device_exclusive_entry(swp_entry_t entry) { - return pfn_to_page(swp_offset(entry)); + return swp_type(entry) == SWP_DEVICE_EXCLUSIVE_READ || + swp_type(entry) == SWP_DEVICE_EXCLUSIVE_WRITE; +} + +static inline bool is_writable_device_exclusive_entry(swp_entry_t entry) +{ + return unlikely(swp_type(entry) == SWP_DEVICE_EXCLUSIVE_WRITE); } #else /* CONFIG_DEVICE_PRIVATE */ -static inline swp_entry_t make_device_private_entry(struct page *page, bool write) +static inline swp_entry_t make_readable_device_private_entry(pgoff_t offset) { return swp_entry(0, 0); } -static inline void make_device_private_entry_read(swp_entry_t *entry) +static inline swp_entry_t make_writable_device_private_entry(pgoff_t offset) { + return swp_entry(0, 0); } static inline bool is_device_private_entry(swp_entry_t entry) @@ -153,61 +164,52 @@ static inline bool is_device_private_entry(swp_entry_t entry) return false; } -static inline bool is_write_device_private_entry(swp_entry_t entry) +static inline bool is_writable_device_private_entry(swp_entry_t entry) { return false; } -static inline unsigned long device_private_entry_to_pfn(swp_entry_t entry) +static inline swp_entry_t make_readable_device_exclusive_entry(pgoff_t offset) { - return 0; + return swp_entry(0, 0); } -static inline struct page *device_private_entry_to_page(swp_entry_t entry) +static inline swp_entry_t make_writable_device_exclusive_entry(pgoff_t offset) { - return NULL; + return swp_entry(0, 0); } -#endif /* CONFIG_DEVICE_PRIVATE */ -#ifdef CONFIG_MIGRATION -static inline swp_entry_t make_migration_entry(struct page *page, int write) +static inline bool is_device_exclusive_entry(swp_entry_t entry) { - BUG_ON(!PageLocked(compound_head(page))); + return false; +} - return swp_entry(write ? SWP_MIGRATION_WRITE : SWP_MIGRATION_READ, - page_to_pfn(page)); +static inline bool is_writable_device_exclusive_entry(swp_entry_t entry) +{ + return false; } +#endif /* CONFIG_DEVICE_PRIVATE */ +#ifdef CONFIG_MIGRATION static inline int is_migration_entry(swp_entry_t entry) { return unlikely(swp_type(entry) == SWP_MIGRATION_READ || swp_type(entry) == SWP_MIGRATION_WRITE); } -static inline int is_write_migration_entry(swp_entry_t entry) +static inline int is_writable_migration_entry(swp_entry_t entry) { return unlikely(swp_type(entry) == SWP_MIGRATION_WRITE); } -static inline unsigned long migration_entry_to_pfn(swp_entry_t entry) +static inline swp_entry_t make_readable_migration_entry(pgoff_t offset) { - return swp_offset(entry); + return swp_entry(SWP_MIGRATION_READ, offset); } -static inline struct page *migration_entry_to_page(swp_entry_t entry) +static inline swp_entry_t make_writable_migration_entry(pgoff_t offset) { - struct page *p = pfn_to_page(swp_offset(entry)); - /* - * Any use of migration entries may only occur while the - * corresponding page is locked - */ - BUG_ON(!PageLocked(compound_head(p))); - return p; -} - -static inline void make_migration_entry_read(swp_entry_t *entry) -{ - *entry = swp_entry(SWP_MIGRATION_READ, swp_offset(*entry)); + return swp_entry(SWP_MIGRATION_WRITE, offset); } extern void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep, @@ -217,37 +219,58 @@ extern void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, extern void migration_entry_wait_huge(struct vm_area_struct *vma, struct mm_struct *mm, pte_t *pte); #else - -#define make_migration_entry(page, write) swp_entry(0, 0) -static inline int is_migration_entry(swp_entry_t swp) +static inline swp_entry_t make_readable_migration_entry(pgoff_t offset) { - return 0; + return swp_entry(0, 0); } -static inline unsigned long migration_entry_to_pfn(swp_entry_t entry) +static inline swp_entry_t make_writable_migration_entry(pgoff_t offset) { - return 0; + return swp_entry(0, 0); } -static inline struct page *migration_entry_to_page(swp_entry_t entry) +static inline int is_migration_entry(swp_entry_t swp) { - return NULL; + return 0; } -static inline void make_migration_entry_read(swp_entry_t *entryp) { } static inline void __migration_entry_wait(struct mm_struct *mm, pte_t *ptep, spinlock_t *ptl) { } static inline void migration_entry_wait(struct mm_struct *mm, pmd_t *pmd, unsigned long address) { } static inline void migration_entry_wait_huge(struct vm_area_struct *vma, struct mm_struct *mm, pte_t *pte) { } -static inline int is_write_migration_entry(swp_entry_t entry) +static inline int is_writable_migration_entry(swp_entry_t entry) { return 0; } #endif +static inline struct page *pfn_swap_entry_to_page(swp_entry_t entry) +{ + struct page *p = pfn_to_page(swp_offset(entry)); + + /* + * Any use of migration entries may only occur while the + * corresponding page is locked + */ + BUG_ON(is_migration_entry(entry) && !PageLocked(p)); + + return p; +} + +/* + * A pfn swap entry is a special type of swap entry that always has a pfn stored + * in the swap offset. They are used to represent unaddressable device memory + * and to restrict access to a page undergoing migration. + */ +static inline bool is_pfn_swap_entry(swp_entry_t entry) +{ + return is_migration_entry(entry) || is_device_private_entry(entry) || + is_device_exclusive_entry(entry); +} + struct page_vma_mapped_walk; #ifdef CONFIG_ARCH_ENABLE_THP_MIGRATION @@ -265,6 +288,8 @@ static inline swp_entry_t pmd_to_swp_entry(pmd_t pmd) if (pmd_swp_soft_dirty(pmd)) pmd = pmd_swp_clear_soft_dirty(pmd); + if (pmd_swp_uffd_wp(pmd)) + pmd = pmd_swp_clear_uffd_wp(pmd); arch_entry = __pmd_to_swp_entry(pmd); return swp_entry(__swp_type(arch_entry), __swp_offset(arch_entry)); } @@ -330,6 +355,11 @@ static inline int is_hwpoison_entry(swp_entry_t entry) return swp_type(entry) == SWP_HWPOISON; } +static inline unsigned long hwpoison_entry_to_pfn(swp_entry_t entry) +{ + return swp_offset(entry); +} + static inline void num_poisoned_pages_inc(void) { atomic_long_inc(&num_poisoned_pages); diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 216854a5e513..b0cb2a9973f4 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -2,6 +2,7 @@ #ifndef __LINUX_SWIOTLB_H #define __LINUX_SWIOTLB_H +#include <linux/device.h> #include <linux/dma-direction.h> #include <linux/init.h> #include <linux/types.h> @@ -72,7 +73,8 @@ extern enum swiotlb_force swiotlb_force; * range check to see if the memory was in fact allocated by this * API. * @nslabs: The number of IO TLB blocks (in groups of 64) between @start and - * @end. This is command line adjustable via setup_io_tlb_npages. + * @end. For default swiotlb, this is command line adjustable via + * setup_io_tlb_npages. * @used: The number of used IO TLB block. * @list: The free list describing the number of free entries available * from each index. @@ -83,6 +85,8 @@ extern enum swiotlb_force swiotlb_force; * unmap calls. * @debugfs: The dentry to debugfs. * @late_alloc: %true if allocated using the page allocator + * @force_bounce: %true if swiotlb bouncing is forced + * @for_alloc: %true if the pool is used for memory allocation */ struct io_tlb_mem { phys_addr_t start; @@ -93,29 +97,42 @@ struct io_tlb_mem { spinlock_t lock; struct dentry *debugfs; bool late_alloc; + bool force_bounce; + bool for_alloc; struct io_tlb_slot { phys_addr_t orig_addr; size_t alloc_size; unsigned int list; - } slots[]; + } *slots; }; -extern struct io_tlb_mem *io_tlb_default_mem; +extern struct io_tlb_mem io_tlb_default_mem; -static inline bool is_swiotlb_buffer(phys_addr_t paddr) +static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr) { - struct io_tlb_mem *mem = io_tlb_default_mem; + struct io_tlb_mem *mem = dev->dma_io_tlb_mem; return mem && paddr >= mem->start && paddr < mem->end; } +static inline bool is_swiotlb_force_bounce(struct device *dev) +{ + struct io_tlb_mem *mem = dev->dma_io_tlb_mem; + + return mem && mem->force_bounce; +} + void __init swiotlb_exit(void); unsigned int swiotlb_max_segment(void); size_t swiotlb_max_mapping_size(struct device *dev); -bool is_swiotlb_active(void); +bool is_swiotlb_active(struct device *dev); void __init swiotlb_adjust_size(unsigned long size); #else #define swiotlb_force SWIOTLB_NO_FORCE -static inline bool is_swiotlb_buffer(phys_addr_t paddr) +static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr) +{ + return false; +} +static inline bool is_swiotlb_force_bounce(struct device *dev) { return false; } @@ -131,7 +148,7 @@ static inline size_t swiotlb_max_mapping_size(struct device *dev) return SIZE_MAX; } -static inline bool is_swiotlb_active(void) +static inline bool is_swiotlb_active(struct device *dev) { return false; } @@ -144,4 +161,28 @@ static inline void swiotlb_adjust_size(unsigned long size) extern void swiotlb_print_info(void); extern void swiotlb_set_max_segment(unsigned int); +#ifdef CONFIG_DMA_RESTRICTED_POOL +struct page *swiotlb_alloc(struct device *dev, size_t size); +bool swiotlb_free(struct device *dev, struct page *page, size_t size); + +static inline bool is_swiotlb_for_alloc(struct device *dev) +{ + return dev->dma_io_tlb_mem->for_alloc; +} +#else +static inline struct page *swiotlb_alloc(struct device *dev, size_t size) +{ + return NULL; +} +static inline bool swiotlb_free(struct device *dev, struct page *page, + size_t size) +{ + return false; +} +static inline bool is_swiotlb_for_alloc(struct device *dev) +{ + return false; +} +#endif /* CONFIG_DMA_RESTRICTED_POOL */ + #endif /* __LINUX_SWIOTLB_H */ diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 050511e8f1f8..252243c7783d 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -485,8 +485,8 @@ asmlinkage long sys_pipe2(int __user *fildes, int flags); /* fs/quota.c */ asmlinkage long sys_quotactl(unsigned int cmd, const char __user *special, qid_t id, void __user *addr); -asmlinkage long sys_quotactl_path(unsigned int cmd, const char __user *mountpoint, - qid_t id, void __user *addr); +asmlinkage long sys_quotactl_fd(unsigned int fd, unsigned int cmd, qid_t id, + void __user *addr); /* fs/readdir.c */ asmlinkage long sys_getdents64(unsigned int fd, @@ -915,6 +915,7 @@ asmlinkage long sys_mincore(unsigned long start, size_t len, asmlinkage long sys_madvise(unsigned long start, size_t len, int behavior); asmlinkage long sys_process_madvise(int pidfd, const struct iovec __user *vec, size_t vlen, int behavior, unsigned int flags); +asmlinkage long sys_process_mrelease(int pidfd, unsigned int flags); asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size, unsigned long prot, unsigned long pgoff, unsigned long flags); @@ -1050,6 +1051,7 @@ asmlinkage long sys_landlock_create_ruleset(const struct landlock_ruleset_attr _ asmlinkage long sys_landlock_add_rule(int ruleset_fd, enum landlock_rule_type rule_type, const void __user *rule_attr, __u32 flags); asmlinkage long sys_landlock_restrict_self(int ruleset_fd, __u32 flags); +asmlinkage long sys_memfd_secret(unsigned int flags); /* * Architecture-specific system calls @@ -1157,7 +1159,6 @@ asmlinkage long sys_ustat(unsigned dev, struct ustat __user *ubuf); asmlinkage long sys_vfork(void); asmlinkage long sys_recv(int, void __user *, size_t, unsigned); asmlinkage long sys_send(int, void __user *, size_t, unsigned); -asmlinkage long sys_bdflush(int func, long data); asmlinkage long sys_oldumount(char __user *name); asmlinkage long sys_uselib(const char __user *library); asmlinkage long sys_sysfs(int option, @@ -1372,6 +1373,9 @@ long ksys_old_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); long compat_ksys_semtimedop(int semid, struct sembuf __user *tsems, unsigned int nsops, const struct old_timespec32 __user *timeout); +long __do_semtimedop(int semid, struct sembuf *tsems, unsigned int nsops, + const struct timespec64 *timeout, + struct ipc_namespace *ns); int __sys_getsockopt(int fd, int level, int optname, char __user *optval, int __user *optlen); diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index d99ca99837de..1fa2b69c6fc3 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -48,6 +48,8 @@ typedef int proc_handler(struct ctl_table *ctl, int write, void *buffer, size_t *lenp, loff_t *ppos); int proc_dostring(struct ctl_table *, int, void *, size_t *, loff_t *); +int proc_dobool(struct ctl_table *table, int write, void *buffer, + size_t *lenp, loff_t *ppos); int proc_dointvec(struct ctl_table *, int, void *, size_t *, loff_t *); int proc_douintvec(struct ctl_table *, int, void *, size_t *, loff_t *); int proc_dointvec_minmax(struct ctl_table *, int, void *, size_t *, loff_t *); diff --git a/include/linux/sysfb.h b/include/linux/sysfb.h new file mode 100644 index 000000000000..b0dcfa26d07b --- /dev/null +++ b/include/linux/sysfb.h @@ -0,0 +1,94 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#ifndef _LINUX_SYSFB_H +#define _LINUX_SYSFB_H + +/* + * Generic System Framebuffers on x86 + * Copyright (c) 2012-2013 David Herrmann <dh.herrmann@gmail.com> + */ + +#include <linux/kernel.h> +#include <linux/platform_data/simplefb.h> +#include <linux/screen_info.h> + +enum { + M_I17, /* 17-Inch iMac */ + M_I20, /* 20-Inch iMac */ + M_I20_SR, /* 20-Inch iMac (Santa Rosa) */ + M_I24, /* 24-Inch iMac */ + M_I24_8_1, /* 24-Inch iMac, 8,1th gen */ + M_I24_10_1, /* 24-Inch iMac, 10,1th gen */ + M_I27_11_1, /* 27-Inch iMac, 11,1th gen */ + M_MINI, /* Mac Mini */ + M_MINI_3_1, /* Mac Mini, 3,1th gen */ + M_MINI_4_1, /* Mac Mini, 4,1th gen */ + M_MB, /* MacBook */ + M_MB_2, /* MacBook, 2nd rev. */ + M_MB_3, /* MacBook, 3rd rev. */ + M_MB_5_1, /* MacBook, 5th rev. */ + M_MB_6_1, /* MacBook, 6th rev. */ + M_MB_7_1, /* MacBook, 7th rev. */ + M_MB_SR, /* MacBook, 2nd gen, (Santa Rosa) */ + M_MBA, /* MacBook Air */ + M_MBA_3, /* Macbook Air, 3rd rev */ + M_MBP, /* MacBook Pro */ + M_MBP_2, /* MacBook Pro 2nd gen */ + M_MBP_2_2, /* MacBook Pro 2,2nd gen */ + M_MBP_SR, /* MacBook Pro (Santa Rosa) */ + M_MBP_4, /* MacBook Pro, 4th gen */ + M_MBP_5_1, /* MacBook Pro, 5,1th gen */ + M_MBP_5_2, /* MacBook Pro, 5,2th gen */ + M_MBP_5_3, /* MacBook Pro, 5,3rd gen */ + M_MBP_6_1, /* MacBook Pro, 6,1th gen */ + M_MBP_6_2, /* MacBook Pro, 6,2th gen */ + M_MBP_7_1, /* MacBook Pro, 7,1th gen */ + M_MBP_8_2, /* MacBook Pro, 8,2nd gen */ + M_UNKNOWN /* placeholder */ +}; + +struct efifb_dmi_info { + char *optname; + unsigned long base; + int stride; + int width; + int height; + int flags; +}; + +#ifdef CONFIG_EFI + +extern struct efifb_dmi_info efifb_dmi_list[]; +void sysfb_apply_efi_quirks(struct platform_device *pd); + +#else /* CONFIG_EFI */ + +static inline void sysfb_apply_efi_quirks(struct platform_device *pd) +{ +} + +#endif /* CONFIG_EFI */ + +#ifdef CONFIG_SYSFB_SIMPLEFB + +bool sysfb_parse_mode(const struct screen_info *si, + struct simplefb_platform_data *mode); +int sysfb_create_simplefb(const struct screen_info *si, + const struct simplefb_platform_data *mode); + +#else /* CONFIG_SYSFB_SIMPLE */ + +static inline bool sysfb_parse_mode(const struct screen_info *si, + struct simplefb_platform_data *mode) +{ + return false; +} + +static inline int sysfb_create_simplefb(const struct screen_info *si, + const struct simplefb_platform_data *mode) +{ + return -EINVAL; +} + +#endif /* CONFIG_SYSFB_SIMPLE */ + +#endif /* _LINUX_SYSFB_H */ diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index d76a1ddf83a3..e3f1e8ac1f85 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -162,6 +162,12 @@ static const struct attribute_group _name##_group = { \ }; \ __ATTRIBUTE_GROUPS(_name) +#define BIN_ATTRIBUTE_GROUPS(_name) \ +static const struct attribute_group _name##_group = { \ + .bin_attrs = _name##_attrs, \ +}; \ +__ATTRIBUTE_GROUPS(_name) + struct file; struct vm_area_struct; struct address_space; @@ -170,7 +176,7 @@ struct bin_attribute { struct attribute attr; size_t size; void *private; - struct address_space *mapping; + struct address_space *(*f_mapping)(void); ssize_t (*read)(struct file *, struct kobject *, struct bin_attribute *, char *, loff_t, size_t); ssize_t (*write)(struct file *, struct kobject *, struct bin_attribute *, diff --git a/include/linux/tee_drv.h b/include/linux/tee_drv.h index 54269e47ac9a..3ebfea0781f1 100644 --- a/include/linux/tee_drv.h +++ b/include/linux/tee_drv.h @@ -27,6 +27,7 @@ #define TEE_SHM_USER_MAPPED BIT(4) /* Memory mapped in user space */ #define TEE_SHM_POOL BIT(5) /* Memory allocated from pool */ #define TEE_SHM_KERNEL_MAPPED BIT(6) /* Memory mapped in kernel space */ +#define TEE_SHM_PRIV BIT(7) /* Memory private to TEE driver */ struct device; struct tee_device; @@ -332,6 +333,7 @@ void *tee_get_drvdata(struct tee_device *teedev); * @returns a pointer to 'struct tee_shm' */ struct tee_shm *tee_shm_alloc(struct tee_context *ctx, size_t size, u32 flags); +struct tee_shm *tee_shm_alloc_kernel_buf(struct tee_context *ctx, size_t size); /** * tee_shm_register() - Register shared memory buffer diff --git a/include/linux/thermal.h b/include/linux/thermal.h index d296f3b88fb9..c314893970b3 100644 --- a/include/linux/thermal.h +++ b/include/linux/thermal.h @@ -285,7 +285,7 @@ struct thermal_zone_params { }; /** - * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones + * struct thermal_zone_of_device_ops - callbacks for handling DT based zones * * Mandatory: * @get_temp: a pointer to a function that reads the sensor temperature. @@ -404,12 +404,13 @@ static inline void thermal_zone_device_unregister( struct thermal_zone_device *tz) { } static inline struct thermal_cooling_device * -thermal_cooling_device_register(char *type, void *devdata, +thermal_cooling_device_register(const char *type, void *devdata, const struct thermal_cooling_device_ops *ops) { return ERR_PTR(-ENODEV); } static inline struct thermal_cooling_device * thermal_of_cooling_device_register(struct device_node *np, - char *type, void *devdata, const struct thermal_cooling_device_ops *ops) + const char *type, void *devdata, + const struct thermal_cooling_device_ops *ops) { return ERR_PTR(-ENODEV); } static inline struct thermal_cooling_device * devm_thermal_of_cooling_device_register(struct device *dev, diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 157762db9d4b..0999f6317978 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -9,6 +9,7 @@ #define _LINUX_THREAD_INFO_H #include <linux/types.h> +#include <linux/limits.h> #include <linux/bug.h> #include <linux/restart_block.h> #include <linux/errno.h> diff --git a/include/linux/threads.h b/include/linux/threads.h index 18d5a74bcc3d..c34173e6c5f1 100644 --- a/include/linux/threads.h +++ b/include/linux/threads.h @@ -38,7 +38,7 @@ * Define a minimum number of pids per cpu. Heuristically based * on original pid max of 32k for 32 cpus. Also, increase the * minimum settable value for pid_max on the running system based - * on similar defaults. See kernel/pid.c:pidmap_init() for details. + * on similar defaults. See kernel/pid.c:pid_idr_init() for details. */ #define PIDS_PER_CPU_DEFAULT 1024 #define PIDS_PER_CPU_MIN 8 diff --git a/include/linux/thunderbolt.h b/include/linux/thunderbolt.h index e7c96c37174f..124e13cb1469 100644 --- a/include/linux/thunderbolt.h +++ b/include/linux/thunderbolt.h @@ -468,6 +468,7 @@ static inline struct tb_xdomain *tb_service_parent(struct tb_service *svc) * @interrupt_work: Work scheduled to handle ring interrupt when no * MSI-X is used. * @hop_count: Number of rings (end point hops) supported by NHI. + * @quirks: NHI specific quirks if any */ struct tb_nhi { spinlock_t lock; @@ -480,6 +481,7 @@ struct tb_nhi { bool going_away; struct work_struct interrupt_work; u32 hop_count; + unsigned long quirks; }; /** diff --git a/include/linux/tick.h b/include/linux/tick.h index 1a0ff88fa107..bfd571f18cfd 100644 --- a/include/linux/tick.h +++ b/include/linux/tick.h @@ -186,13 +186,17 @@ static inline bool tick_nohz_full_enabled(void) return tick_nohz_full_running; } -static inline bool tick_nohz_full_cpu(int cpu) -{ - if (!tick_nohz_full_enabled()) - return false; - - return cpumask_test_cpu(cpu, tick_nohz_full_mask); -} +/* + * Check if a CPU is part of the nohz_full subset. Arrange for evaluating + * the cpu expression (typically smp_processor_id()) _after_ the static + * key. + */ +#define tick_nohz_full_cpu(_cpu) ({ \ + bool __ret = false; \ + if (tick_nohz_full_enabled()) \ + __ret = cpumask_test_cpu((_cpu), tick_nohz_full_mask); \ + __ret; \ +}) static inline void tick_nohz_full_add_cpus_to(struct cpumask *mask) { @@ -208,7 +212,7 @@ extern void tick_nohz_dep_set_task(struct task_struct *tsk, enum tick_dep_bits bit); extern void tick_nohz_dep_clear_task(struct task_struct *tsk, enum tick_dep_bits bit); -extern void tick_nohz_dep_set_signal(struct signal_struct *signal, +extern void tick_nohz_dep_set_signal(struct task_struct *tsk, enum tick_dep_bits bit); extern void tick_nohz_dep_clear_signal(struct signal_struct *signal, enum tick_dep_bits bit); @@ -253,11 +257,11 @@ static inline void tick_dep_clear_task(struct task_struct *tsk, if (tick_nohz_full_enabled()) tick_nohz_dep_clear_task(tsk, bit); } -static inline void tick_dep_set_signal(struct signal_struct *signal, +static inline void tick_dep_set_signal(struct task_struct *tsk, enum tick_dep_bits bit) { if (tick_nohz_full_enabled()) - tick_nohz_dep_set_signal(signal, bit); + tick_nohz_dep_set_signal(tsk, bit); } static inline void tick_dep_clear_signal(struct signal_struct *signal, enum tick_dep_bits bit) @@ -285,7 +289,7 @@ static inline void tick_dep_set_task(struct task_struct *tsk, enum tick_dep_bits bit) { } static inline void tick_dep_clear_task(struct task_struct *tsk, enum tick_dep_bits bit) { } -static inline void tick_dep_set_signal(struct signal_struct *signal, +static inline void tick_dep_set_signal(struct task_struct *tsk, enum tick_dep_bits bit) { } static inline void tick_dep_clear_signal(struct signal_struct *signal, enum tick_dep_bits bit) { } diff --git a/include/linux/time64.h b/include/linux/time64.h index 5117cb5b5656..81b9686a2079 100644 --- a/include/linux/time64.h +++ b/include/linux/time64.h @@ -25,7 +25,9 @@ struct itimerspec64 { #define TIME64_MIN (-TIME64_MAX - 1) #define KTIME_MAX ((s64)~((u64)1 << 63)) +#define KTIME_MIN (-KTIME_MAX - 1) #define KTIME_SEC_MAX (KTIME_MAX / NSEC_PER_SEC) +#define KTIME_SEC_MIN (KTIME_MIN / NSEC_PER_SEC) /* * Limits for settimeofday(): @@ -124,10 +126,13 @@ static inline bool timespec64_valid_settod(const struct timespec64 *ts) */ static inline s64 timespec64_to_ns(const struct timespec64 *ts) { - /* Prevent multiplication overflow */ - if ((unsigned long long)ts->tv_sec >= KTIME_SEC_MAX) + /* Prevent multiplication overflow / underflow */ + if (ts->tv_sec >= KTIME_SEC_MAX) return KTIME_MAX; + if (ts->tv_sec <= KTIME_SEC_MIN) + return KTIME_MIN; + return ((s64) ts->tv_sec * NSEC_PER_SEC) + ts->tv_nsec; } diff --git a/include/linux/timer.h b/include/linux/timer.h index 4118a97e62fb..fda13c9d1256 100644 --- a/include/linux/timer.h +++ b/include/linux/timer.h @@ -192,8 +192,6 @@ extern int try_to_del_timer_sync(struct timer_list *timer); #define del_singleshot_timer_sync(t) del_timer_sync(t) -extern bool timer_curr_running(struct timer_list *timer); - extern void init_timers(void); struct hrtimer; extern enum hrtimer_restart it_real_fn(struct hrtimer *); diff --git a/include/linux/trace.h b/include/linux/trace.h index be1e130ed87c..bf169612ffe1 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -41,6 +41,13 @@ int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); struct trace_array *trace_array_get_by_name(const char *name); int trace_array_destroy(struct trace_array *tr); + +/* For osnoise tracer */ +int osnoise_arch_register(void); +void osnoise_arch_unregister(void); +void osnoise_trace_irq_entry(int id); +void osnoise_trace_irq_exit(int id, const char *desc); + #endif /* CONFIG_TRACING */ #endif /* _LINUX_TRACE_H */ diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index ad413b382a3c..3e475eeb5a99 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -310,8 +310,10 @@ enum { TRACE_EVENT_FL_NO_SET_FILTER_BIT, TRACE_EVENT_FL_IGNORE_ENABLE_BIT, TRACE_EVENT_FL_TRACEPOINT_BIT, + TRACE_EVENT_FL_DYNAMIC_BIT, TRACE_EVENT_FL_KPROBE_BIT, TRACE_EVENT_FL_UPROBE_BIT, + TRACE_EVENT_FL_EPROBE_BIT, }; /* @@ -321,8 +323,10 @@ enum { * NO_SET_FILTER - Set when filter has error and is to be ignored * IGNORE_ENABLE - For trace internal events, do not enable with debugfs file * TRACEPOINT - Event is a tracepoint + * DYNAMIC - Event is a dynamic event (created at run time) * KPROBE - Event is a kprobe * UPROBE - Event is a uprobe + * EPROBE - Event is an event probe */ enum { TRACE_EVENT_FL_FILTERED = (1 << TRACE_EVENT_FL_FILTERED_BIT), @@ -330,8 +334,10 @@ enum { TRACE_EVENT_FL_NO_SET_FILTER = (1 << TRACE_EVENT_FL_NO_SET_FILTER_BIT), TRACE_EVENT_FL_IGNORE_ENABLE = (1 << TRACE_EVENT_FL_IGNORE_ENABLE_BIT), TRACE_EVENT_FL_TRACEPOINT = (1 << TRACE_EVENT_FL_TRACEPOINT_BIT), + TRACE_EVENT_FL_DYNAMIC = (1 << TRACE_EVENT_FL_DYNAMIC_BIT), TRACE_EVENT_FL_KPROBE = (1 << TRACE_EVENT_FL_KPROBE_BIT), TRACE_EVENT_FL_UPROBE = (1 << TRACE_EVENT_FL_UPROBE_BIT), + TRACE_EVENT_FL_EPROBE = (1 << TRACE_EVENT_FL_EPROBE_BIT), }; #define TRACE_EVENT_FL_UKPROBE (TRACE_EVENT_FL_KPROBE | TRACE_EVENT_FL_UPROBE) @@ -347,7 +353,14 @@ struct trace_event_call { struct trace_event event; char *print_fmt; struct event_filter *filter; - void *mod; + /* + * Static events can disappear with modules, + * where as dynamic ones need their own ref count. + */ + union { + void *module; + atomic_t refcnt; + }; void *data; /* See the TRACE_EVENT_FL_* flags above */ @@ -363,6 +376,42 @@ struct trace_event_call { #endif }; +#ifdef CONFIG_DYNAMIC_EVENTS +bool trace_event_dyn_try_get_ref(struct trace_event_call *call); +void trace_event_dyn_put_ref(struct trace_event_call *call); +bool trace_event_dyn_busy(struct trace_event_call *call); +#else +static inline bool trace_event_dyn_try_get_ref(struct trace_event_call *call) +{ + /* Without DYNAMIC_EVENTS configured, nothing should be calling this */ + return false; +} +static inline void trace_event_dyn_put_ref(struct trace_event_call *call) +{ +} +static inline bool trace_event_dyn_busy(struct trace_event_call *call) +{ + /* Nothing should call this without DYNAIMIC_EVENTS configured. */ + return true; +} +#endif + +static inline bool trace_event_try_get_ref(struct trace_event_call *call) +{ + if (call->flags & TRACE_EVENT_FL_DYNAMIC) + return trace_event_dyn_try_get_ref(call); + else + return try_module_get(call->module); +} + +static inline void trace_event_put_ref(struct trace_event_call *call) +{ + if (call->flags & TRACE_EVENT_FL_DYNAMIC) + trace_event_dyn_put_ref(call); + else + module_put(call->module); +} + #ifdef CONFIG_PERF_EVENTS static inline bool bpf_prog_array_valid(struct trace_event_call *call) { @@ -634,6 +683,7 @@ enum event_trigger_type { ETT_EVENT_ENABLE = (1 << 3), ETT_EVENT_HIST = (1 << 4), ETT_HIST_ENABLE = (1 << 5), + ETT_EVENT_EPROBE = (1 << 6), }; extern int filter_match_preds(struct event_filter *filter, void *rec); @@ -675,7 +725,7 @@ trace_trigger_soft_disabled(struct trace_event_file *file) #ifdef CONFIG_BPF_EVENTS unsigned int trace_call_bpf(struct trace_event_call *call, void *ctx); -int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog); +int perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie); void perf_event_detach_bpf_prog(struct perf_event *event); int perf_event_query_prog_array(struct perf_event *event, void __user *info); int bpf_probe_register(struct bpf_raw_event_map *btp, struct bpf_prog *prog); @@ -692,7 +742,7 @@ static inline unsigned int trace_call_bpf(struct trace_event_call *call, void *c } static inline int -perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog) +perf_event_attach_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie) { return -EOPNOTSUPP; } @@ -803,6 +853,9 @@ extern void ftrace_profile_free_filter(struct perf_event *event); void perf_trace_buf_update(void *record, u16 type); void *perf_trace_buf_alloc(int size, struct pt_regs **regs, int *rctxp); +int perf_event_set_bpf_prog(struct perf_event *event, struct bpf_prog *prog, u64 bpf_cookie); +void perf_event_free_bpf_prog(struct perf_event *event); + void bpf_trace_run1(struct bpf_prog *prog, u64 arg1); void bpf_trace_run2(struct bpf_prog *prog, u64 arg1, u64 arg2); void bpf_trace_run3(struct bpf_prog *prog, u64 arg1, u64 arg2, diff --git a/include/linux/trace_recursion.h b/include/linux/trace_recursion.h index a9f9c5714e65..fe95f0922526 100644 --- a/include/linux/trace_recursion.h +++ b/include/linux/trace_recursion.h @@ -16,23 +16,8 @@ * When function tracing occurs, the following steps are made: * If arch does not support a ftrace feature: * call internal function (uses INTERNAL bits) which calls... - * If callback is registered to the "global" list, the list - * function is called and recursion checks the GLOBAL bits. - * then this function calls... * The function callback, which can use the FTRACE bits to * check for recursion. - * - * Now if the arch does not support a feature, and it calls - * the global list function which calls the ftrace callback - * all three of these steps will do a recursion protection. - * There's no reason to do one if the previous caller already - * did. The recursion that we are protecting against will - * go through the same steps again. - * - * To prevent the multiple recursion checks, if a recursion - * bit is set that is higher than the MAX bit of the current - * check, then we know that the check was made by the previous - * caller, and we can skip the current check. */ enum { /* Function recursion bits */ @@ -40,12 +25,14 @@ enum { TRACE_FTRACE_NMI_BIT, TRACE_FTRACE_IRQ_BIT, TRACE_FTRACE_SIRQ_BIT, + TRACE_FTRACE_TRANSITION_BIT, - /* INTERNAL_BITs must be greater than FTRACE_BITs */ + /* Internal use recursion bits */ TRACE_INTERNAL_BIT, TRACE_INTERNAL_NMI_BIT, TRACE_INTERNAL_IRQ_BIT, TRACE_INTERNAL_SIRQ_BIT, + TRACE_INTERNAL_TRANSITION_BIT, TRACE_BRANCH_BIT, /* @@ -86,12 +73,6 @@ enum { */ TRACE_GRAPH_NOTRACE_BIT, - /* - * When transitioning between context, the preempt_count() may - * not be correct. Allow for a single recursion to cover this case. - */ - TRACE_TRANSITION_BIT, - /* Used to prevent recursion recording from recursing. */ TRACE_RECORD_RECURSION_BIT, }; @@ -113,12 +94,10 @@ enum { #define TRACE_CONTEXT_BITS 4 #define TRACE_FTRACE_START TRACE_FTRACE_BIT -#define TRACE_FTRACE_MAX ((1 << (TRACE_FTRACE_START + TRACE_CONTEXT_BITS)) - 1) #define TRACE_LIST_START TRACE_INTERNAL_BIT -#define TRACE_LIST_MAX ((1 << (TRACE_LIST_START + TRACE_CONTEXT_BITS)) - 1) -#define TRACE_CONTEXT_MASK TRACE_LIST_MAX +#define TRACE_CONTEXT_MASK ((1 << (TRACE_LIST_START + TRACE_CONTEXT_BITS)) - 1) /* * Used for setting context @@ -132,6 +111,7 @@ enum { TRACE_CTX_IRQ, TRACE_CTX_SOFTIRQ, TRACE_CTX_NORMAL, + TRACE_CTX_TRANSITION, }; static __always_inline int trace_get_context_bit(void) @@ -160,45 +140,34 @@ extern void ftrace_record_recursion(unsigned long ip, unsigned long parent_ip); #endif static __always_inline int trace_test_and_set_recursion(unsigned long ip, unsigned long pip, - int start, int max) + int start) { unsigned int val = READ_ONCE(current->trace_recursion); int bit; - /* A previous recursion check was made */ - if ((val & TRACE_CONTEXT_MASK) > max) - return 0; - bit = trace_get_context_bit() + start; if (unlikely(val & (1 << bit))) { /* * It could be that preempt_count has not been updated during * a switch between contexts. Allow for a single recursion. */ - bit = TRACE_TRANSITION_BIT; + bit = TRACE_CTX_TRANSITION + start; if (val & (1 << bit)) { do_ftrace_record_recursion(ip, pip); return -1; } - } else { - /* Normal check passed, clear the transition to allow it again */ - val &= ~(1 << TRACE_TRANSITION_BIT); } val |= 1 << bit; current->trace_recursion = val; barrier(); - return bit + 1; + return bit; } static __always_inline void trace_clear_recursion(int bit) { - if (!bit) - return; - barrier(); - bit--; trace_recursion_clear(bit); } @@ -214,7 +183,7 @@ static __always_inline void trace_clear_recursion(int bit) static __always_inline int ftrace_test_recursion_trylock(unsigned long ip, unsigned long parent_ip) { - return trace_test_and_set_recursion(ip, parent_ip, TRACE_FTRACE_START, TRACE_FTRACE_MAX); + return trace_test_and_set_recursion(ip, parent_ip, TRACE_FTRACE_START); } /** diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index 3e80c4bc66f7..2564b7434b4d 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -197,6 +197,8 @@ static inline void tracehook_notify_resume(struct pt_regs *regs) mem_cgroup_handle_over_high(); blkcg_maybe_throttle_current(); + + rseq_handle_notify_resume(NULL, regs); } /* diff --git a/include/linux/tracepoint.h b/include/linux/tracepoint.h index 13f65420f188..28031b15f878 100644 --- a/include/linux/tracepoint.h +++ b/include/linux/tracepoint.h @@ -41,7 +41,17 @@ extern int tracepoint_probe_register_prio(struct tracepoint *tp, void *probe, void *data, int prio); extern int +tracepoint_probe_register_prio_may_exist(struct tracepoint *tp, void *probe, void *data, + int prio); +extern int tracepoint_probe_unregister(struct tracepoint *tp, void *probe, void *data); +static inline int +tracepoint_probe_register_may_exist(struct tracepoint *tp, void *probe, + void *data) +{ + return tracepoint_probe_register_prio_may_exist(tp, probe, data, + TRACEPOINT_DEFAULT_PRIO); +} extern void for_each_kernel_tracepoint(void (*fct)(struct tracepoint *tp, void *priv), void *priv); @@ -465,7 +475,7 @@ static inline struct tracepoint *tracepoint_ptr_deref(tracepoint_ptr_t *p) * * * * The declared 'local variable' is called '__entry' * * - * * __field(pid_t, prev_prid) is equivalent to a standard declaration: + * * __field(pid_t, prev_pid) is equivalent to a standard declaration: * * * * pid_t prev_pid; * * diff --git a/include/linux/tty.h b/include/linux/tty.h index e5d6b1f28823..168e57e40bbb 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -6,11 +6,12 @@ #include <linux/major.h> #include <linux/termios.h> #include <linux/workqueue.h> +#include <linux/tty_buffer.h> #include <linux/tty_driver.h> #include <linux/tty_ldisc.h> +#include <linux/tty_port.h> #include <linux/mutex.h> #include <linux/tty_flags.h> -#include <linux/seq_file.h> #include <uapi/linux/tty.h> #include <linux/rwsem.h> #include <linux/llist.h> @@ -31,54 +32,6 @@ */ #define __DISABLED_CHAR '\0' -struct tty_buffer { - union { - struct tty_buffer *next; - struct llist_node free; - }; - int used; - int size; - int commit; - int read; - int flags; - /* Data points here */ - unsigned long data[]; -}; - -/* Values for .flags field of tty_buffer */ -#define TTYB_NORMAL 1 /* buffer has no flags buffer */ - -static inline unsigned char *char_buf_ptr(struct tty_buffer *b, int ofs) -{ - return ((unsigned char *)b->data) + ofs; -} - -static inline char *flag_buf_ptr(struct tty_buffer *b, int ofs) -{ - return (char *)char_buf_ptr(b, ofs) + b->size; -} - -struct tty_bufhead { - struct tty_buffer *head; /* Queue head */ - struct work_struct work; - struct mutex lock; - atomic_t priority; - struct tty_buffer sentinel; - struct llist_head free; /* Free queue head */ - atomic_t mem_used; /* In-use buffers excluding free list */ - int mem_limit; - struct tty_buffer *tail; /* Active buffer */ -}; -/* - * When a break, frame error, or parity error happens, these codes are - * stuffed into the flags buffer. - */ -#define TTY_NORMAL 0 -#define TTY_BREAK 1 -#define TTY_FRAME 2 -#define TTY_PARITY 3 -#define TTY_OVERRUN 4 - #define INTR_CHAR(tty) ((tty)->termios.c_cc[VINTR]) #define QUIT_CHAR(tty) ((tty)->termios.c_cc[VQUIT]) #define ERASE_CHAR(tty) ((tty)->termios.c_cc[VERASE]) @@ -164,99 +117,29 @@ struct tty_bufhead { struct device; struct signal_struct; +struct tty_operations; -/* - * Port level information. Each device keeps its own port level information - * so provide a common structure for those ports wanting to use common support - * routines. +/** + * struct tty_struct - state associated with a tty while open * - * The tty port has a different lifetime to the tty so must be kept apart. - * In addition be careful as tty -> port mappings are valid for the life - * of the tty object but in many cases port -> tty mappings are valid only - * until a hangup so don't use the wrong path. - */ - -struct tty_port; - -struct tty_port_operations { - /* Return 1 if the carrier is raised */ - int (*carrier_raised)(struct tty_port *port); - /* Control the DTR line */ - void (*dtr_rts)(struct tty_port *port, int raise); - /* Called when the last close completes or a hangup finishes - IFF the port was initialized. Do not use to free resources. Called - under the port mutex to serialize against activate/shutdowns */ - void (*shutdown)(struct tty_port *port); - /* Called under the port mutex from tty_port_open, serialized using - the port mutex */ - /* FIXME: long term getting the tty argument *out* of this would be - good for consoles */ - int (*activate)(struct tty_port *port, struct tty_struct *tty); - /* Called on the final put of a port */ - void (*destruct)(struct tty_port *port); -}; - -struct tty_port_client_operations { - int (*receive_buf)(struct tty_port *port, const unsigned char *, const unsigned char *, size_t); - void (*write_wakeup)(struct tty_port *port); -}; - -extern const struct tty_port_client_operations tty_port_default_client_ops; - -struct tty_port { - struct tty_bufhead buf; /* Locked internally */ - struct tty_struct *tty; /* Back pointer */ - struct tty_struct *itty; /* internal back ptr */ - const struct tty_port_operations *ops; /* Port operations */ - const struct tty_port_client_operations *client_ops; /* Port client operations */ - spinlock_t lock; /* Lock protecting tty field */ - int blocked_open; /* Waiting to open */ - int count; /* Usage count */ - wait_queue_head_t open_wait; /* Open waiters */ - wait_queue_head_t delta_msr_wait; /* Modem status change */ - unsigned long flags; /* User TTY flags ASYNC_ */ - unsigned long iflags; /* Internal flags TTY_PORT_ */ - unsigned char console:1; /* port is a console */ - struct mutex mutex; /* Locking */ - struct mutex buf_mutex; /* Buffer alloc lock */ - unsigned char *xmit_buf; /* Optional buffer */ - unsigned int close_delay; /* Close port delay */ - unsigned int closing_wait; /* Delay for output */ - int drain_delay; /* Set to zero if no pure time - based drain is needed else - set to size of fifo */ - struct kref kref; /* Ref counter */ - void *client_data; -}; - -/* tty_port::iflags bits -- use atomic bit ops */ -#define TTY_PORT_INITIALIZED 0 /* device is initialized */ -#define TTY_PORT_SUSPENDED 1 /* device is suspended */ -#define TTY_PORT_ACTIVE 2 /* device is open */ - -/* - * uart drivers: use the uart_port::status field and the UPSTAT_* defines - * for s/w-based flow control steering and carrier detection status - */ -#define TTY_PORT_CTS_FLOW 3 /* h/w flow control enabled */ -#define TTY_PORT_CHECK_CD 4 /* carrier detect enabled */ -#define TTY_PORT_KOPENED 5 /* device exclusively opened by - kernel */ - -/* - * Where all of the state associated with a tty is kept while the tty - * is open. Since the termios state should be kept even if the tty - * has been closed --- for things like the baud rate, etc --- it is - * not stored here, but rather a pointer to the real state is stored - * here. Possible the winsize structure should have the same - * treatment, but (1) the default 80x24 is usually right and (2) it's - * most often used by a windowing system, which will set the correct - * size each time the window is created or resized anyway. - * - TYT, 9/14/92 + * @flow.lock: lock for flow members + * @flow.stopped: tty stopped/started by tty_stop/tty_start + * @flow.tco_stopped: tty stopped/started by TCOOFF/TCOON ioctls (it has + * precedense over @flow.stopped) + * @flow.unused: alignment for Alpha, so that no members other than @flow.* are + * modified by the same 64b word store. The @flow's __aligned is + * there for the very same reason. + * @ctrl.lock: lock for ctrl members + * @ctrl.pgrp: process group of this tty (setpgrp(2)) + * @ctrl.session: session of this tty (setsid(2)). Writes are protected by both + * @ctrl.lock and legacy mutex, readers must use at least one of + * them. + * @ctrl.pktstatus: packet mode status (bitwise OR of TIOCPKT_* constants) + * @ctrl.packet: packet mode enabled + * + * All of the state associated with a tty while the tty is open. Persistent + * storage for tty devices is referenced here as @port in struct tty_port. */ - -struct tty_operations; - struct tty_struct { int magic; struct kref kref; @@ -274,27 +157,30 @@ struct tty_struct { struct mutex throttle_mutex; struct rw_semaphore termios_rwsem; struct mutex winsize_mutex; - spinlock_t ctrl_lock; - spinlock_t flow_lock; /* Termios values are protected by the termios rwsem */ struct ktermios termios, termios_locked; char name[64]; - struct pid *pgrp; /* Protected by ctrl lock */ - /* - * Writes protected by both ctrl lock and legacy mutex, readers must use - * at least one of them. - */ - struct pid *session; unsigned long flags; int count; struct winsize winsize; /* winsize_mutex */ - unsigned long stopped:1, /* flow_lock */ - flow_stopped:1, - unused:BITS_PER_LONG - 2; + + struct { + spinlock_t lock; + bool stopped; + bool tco_stopped; + unsigned long unused[0]; + } __aligned(sizeof(unsigned long)) flow; + + struct { + spinlock_t lock; + struct pid *pgrp; + struct pid *session; + unsigned char pktstatus; + bool packet; + unsigned long unused[0]; + } __aligned(sizeof(unsigned long)) ctrl; + int hw_stopped; - unsigned long ctrl_status:8, /* ctrl_lock */ - packet:1, - unused_ctrl:BITS_PER_LONG - 9; unsigned int receive_room; /* Bytes free for queue */ int flow_change; @@ -434,22 +320,12 @@ extern const char *tty_driver_name(const struct tty_struct *tty); extern void tty_wait_until_sent(struct tty_struct *tty, long timeout); extern void stop_tty(struct tty_struct *tty); extern void start_tty(struct tty_struct *tty); -extern int tty_register_driver(struct tty_driver *driver); -extern void tty_unregister_driver(struct tty_driver *driver); -extern struct device *tty_register_device(struct tty_driver *driver, - unsigned index, struct device *dev); -extern struct device *tty_register_device_attr(struct tty_driver *driver, - unsigned index, struct device *device, - void *drvdata, - const struct attribute_group **attr_grp); -extern void tty_unregister_device(struct tty_driver *driver, unsigned index); extern void tty_write_message(struct tty_struct *tty, char *msg); extern int tty_send_xchar(struct tty_struct *tty, char ch); extern int tty_put_char(struct tty_struct *tty, unsigned char c); -extern int tty_chars_in_buffer(struct tty_struct *tty); -extern int tty_write_room(struct tty_struct *tty); +extern unsigned int tty_chars_in_buffer(struct tty_struct *tty); +extern unsigned int tty_write_room(struct tty_struct *tty); extern void tty_driver_flush_buffer(struct tty_struct *tty); -extern void tty_throttle(struct tty_struct *tty); extern void tty_unthrottle(struct tty_struct *tty); extern int tty_throttle_safe(struct tty_struct *tty); extern int tty_unthrottle_safe(struct tty_struct *tty); @@ -484,17 +360,14 @@ static inline speed_t tty_get_baud_rate(struct tty_struct *tty) return tty_termios_baud_rate(&tty->termios); } +unsigned char tty_get_char_size(unsigned int cflag); +unsigned char tty_get_frame_size(unsigned int cflag); + extern void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old); extern int tty_termios_hw_change(const struct ktermios *a, const struct ktermios *b); extern int tty_set_termios(struct tty_struct *tty, struct ktermios *kt); -extern struct tty_ldisc *tty_ldisc_ref(struct tty_struct *); -extern void tty_ldisc_deref(struct tty_ldisc *); -extern struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *); -extern const struct seq_operations tty_ldiscs_seq_ops; - extern void tty_wakeup(struct tty_struct *tty); -extern void tty_ldisc_flush(struct tty_struct *tty); extern int tty_mode_ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); @@ -508,128 +381,6 @@ extern int tty_standard_install(struct tty_driver *driver, extern struct mutex tty_mutex; -extern void tty_port_init(struct tty_port *port); -extern void tty_port_link_device(struct tty_port *port, - struct tty_driver *driver, unsigned index); -extern struct device *tty_port_register_device(struct tty_port *port, - struct tty_driver *driver, unsigned index, - struct device *device); -extern struct device *tty_port_register_device_attr(struct tty_port *port, - struct tty_driver *driver, unsigned index, - struct device *device, void *drvdata, - const struct attribute_group **attr_grp); -extern struct device *tty_port_register_device_serdev(struct tty_port *port, - struct tty_driver *driver, unsigned index, - struct device *device); -extern struct device *tty_port_register_device_attr_serdev(struct tty_port *port, - struct tty_driver *driver, unsigned index, - struct device *device, void *drvdata, - const struct attribute_group **attr_grp); -extern void tty_port_unregister_device(struct tty_port *port, - struct tty_driver *driver, unsigned index); -extern int tty_port_alloc_xmit_buf(struct tty_port *port); -extern void tty_port_free_xmit_buf(struct tty_port *port); -extern void tty_port_destroy(struct tty_port *port); -extern void tty_port_put(struct tty_port *port); - -static inline struct tty_port *tty_port_get(struct tty_port *port) -{ - if (port && kref_get_unless_zero(&port->kref)) - return port; - return NULL; -} - -/* If the cts flow control is enabled, return true. */ -static inline bool tty_port_cts_enabled(const struct tty_port *port) -{ - return test_bit(TTY_PORT_CTS_FLOW, &port->iflags); -} - -static inline void tty_port_set_cts_flow(struct tty_port *port, bool val) -{ - assign_bit(TTY_PORT_CTS_FLOW, &port->iflags, val); -} - -static inline bool tty_port_active(const struct tty_port *port) -{ - return test_bit(TTY_PORT_ACTIVE, &port->iflags); -} - -static inline void tty_port_set_active(struct tty_port *port, bool val) -{ - assign_bit(TTY_PORT_ACTIVE, &port->iflags, val); -} - -static inline bool tty_port_check_carrier(const struct tty_port *port) -{ - return test_bit(TTY_PORT_CHECK_CD, &port->iflags); -} - -static inline void tty_port_set_check_carrier(struct tty_port *port, bool val) -{ - assign_bit(TTY_PORT_CHECK_CD, &port->iflags, val); -} - -static inline bool tty_port_suspended(const struct tty_port *port) -{ - return test_bit(TTY_PORT_SUSPENDED, &port->iflags); -} - -static inline void tty_port_set_suspended(struct tty_port *port, bool val) -{ - assign_bit(TTY_PORT_SUSPENDED, &port->iflags, val); -} - -static inline bool tty_port_initialized(const struct tty_port *port) -{ - return test_bit(TTY_PORT_INITIALIZED, &port->iflags); -} - -static inline void tty_port_set_initialized(struct tty_port *port, bool val) -{ - assign_bit(TTY_PORT_INITIALIZED, &port->iflags, val); -} - -static inline bool tty_port_kopened(const struct tty_port *port) -{ - return test_bit(TTY_PORT_KOPENED, &port->iflags); -} - -static inline void tty_port_set_kopened(struct tty_port *port, bool val) -{ - assign_bit(TTY_PORT_KOPENED, &port->iflags, val); -} - -extern struct tty_struct *tty_port_tty_get(struct tty_port *port); -extern void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty); -extern int tty_port_carrier_raised(struct tty_port *port); -extern void tty_port_raise_dtr_rts(struct tty_port *port); -extern void tty_port_lower_dtr_rts(struct tty_port *port); -extern void tty_port_hangup(struct tty_port *port); -extern void tty_port_tty_hangup(struct tty_port *port, bool check_clocal); -extern void tty_port_tty_wakeup(struct tty_port *port); -extern int tty_port_block_til_ready(struct tty_port *port, - struct tty_struct *tty, struct file *filp); -extern int tty_port_close_start(struct tty_port *port, - struct tty_struct *tty, struct file *filp); -extern void tty_port_close_end(struct tty_port *port, struct tty_struct *tty); -extern void tty_port_close(struct tty_port *port, - struct tty_struct *tty, struct file *filp); -extern int tty_port_install(struct tty_port *port, struct tty_driver *driver, - struct tty_struct *tty); -extern int tty_port_open(struct tty_port *port, - struct tty_struct *tty, struct file *filp); -static inline int tty_port_users(struct tty_port *port) -{ - return port->count + port->blocked_open; -} - -extern int tty_register_ldisc(int disc, struct tty_ldisc_ops *new_ldisc); -extern int tty_unregister_ldisc(int disc); -extern int tty_set_ldisc(struct tty_struct *tty, int disc); -extern int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, - char *f, int count); - /* n_tty.c */ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops); #ifdef CONFIG_TTY @@ -677,12 +428,4 @@ extern void tty_lock_slave(struct tty_struct *tty); extern void tty_unlock_slave(struct tty_struct *tty); extern void tty_set_lock_subclass(struct tty_struct *tty); -#ifdef CONFIG_PROC_FS -extern void proc_tty_register_driver(struct tty_driver *); -extern void proc_tty_unregister_driver(struct tty_driver *); -#else -static inline void proc_tty_register_driver(struct tty_driver *d) {} -static inline void proc_tty_unregister_driver(struct tty_driver *d) {} -#endif - #endif diff --git a/include/linux/tty_buffer.h b/include/linux/tty_buffer.h new file mode 100644 index 000000000000..3b9d77604291 --- /dev/null +++ b/include/linux/tty_buffer.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_TTY_BUFFER_H +#define _LINUX_TTY_BUFFER_H + +#include <linux/atomic.h> +#include <linux/llist.h> +#include <linux/mutex.h> +#include <linux/workqueue.h> + +struct tty_buffer { + union { + struct tty_buffer *next; + struct llist_node free; + }; + int used; + int size; + int commit; + int read; + int flags; + /* Data points here */ + unsigned long data[]; +}; + +/* Values for .flags field of tty_buffer */ +#define TTYB_NORMAL 1 /* buffer has no flags buffer */ + +static inline unsigned char *char_buf_ptr(struct tty_buffer *b, int ofs) +{ + return ((unsigned char *)b->data) + ofs; +} + +static inline char *flag_buf_ptr(struct tty_buffer *b, int ofs) +{ + return (char *)char_buf_ptr(b, ofs) + b->size; +} + +struct tty_bufhead { + struct tty_buffer *head; /* Queue head */ + struct work_struct work; + struct mutex lock; + atomic_t priority; + struct tty_buffer sentinel; + struct llist_head free; /* Free queue head */ + atomic_t mem_used; /* In-use buffers excluding free list */ + int mem_limit; + struct tty_buffer *tail; /* Active buffer */ +}; + +/* + * When a break, frame error, or parity error happens, these codes are + * stuffed into the flags buffer. + */ +#define TTY_NORMAL 0 +#define TTY_BREAK 1 +#define TTY_FRAME 2 +#define TTY_PARITY 3 +#define TTY_OVERRUN 4 + +#endif diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 2f719b471d52..c20431d8def8 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -89,7 +89,7 @@ * * Note: Do not call this function directly, call tty_driver_flush_chars * - * int (*write_room)(struct tty_struct *tty); + * unsigned int (*write_room)(struct tty_struct *tty); * * This routine returns the numbers of characters the tty driver * will accept for queuing to be written. This number is subject @@ -136,7 +136,7 @@ * the line discipline are close to full, and it should somehow * signal that no more characters should be sent to the tty. * - * Optional: Always invoke via tty_throttle(), called under the + * Optional: Always invoke via tty_throttle_safe(), called under the * termios lock. * * void (*unthrottle)(struct tty_struct * tty); @@ -153,7 +153,7 @@ * This routine notifies the tty driver that it should stop * outputting characters to the tty device. * - * Called with ->flow_lock held. Serialized with start() method. + * Called with ->flow.lock held. Serialized with start() method. * * Optional: * @@ -164,7 +164,7 @@ * This routine notifies the tty driver that it resume sending * characters to the tty device. * - * Called with ->flow_lock held. Serialized with stop() method. + * Called with ->flow.lock held. Serialized with stop() method. * * Optional: * @@ -233,6 +233,7 @@ #include <linux/export.h> #include <linux/fs.h> +#include <linux/kref.h> #include <linux/list.h> #include <linux/cdev.h> #include <linux/termios.h> @@ -256,8 +257,8 @@ struct tty_operations { const unsigned char *buf, int count); int (*put_char)(struct tty_struct *tty, unsigned char ch); void (*flush_chars)(struct tty_struct *tty); - int (*write_room)(struct tty_struct *tty); - int (*chars_in_buffer)(struct tty_struct *tty); + unsigned int (*write_room)(struct tty_struct *tty); + unsigned int (*chars_in_buffer)(struct tty_struct *tty); int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); long (*compat_ioctl)(struct tty_struct *tty, @@ -328,9 +329,6 @@ extern struct list_head tty_drivers; extern struct tty_driver *__tty_alloc_driver(unsigned int lines, struct module *owner, unsigned long flags); -extern void put_tty_driver(struct tty_driver *driver); -extern void tty_set_operations(struct tty_driver *driver, - const struct tty_operations *op); extern struct tty_driver *tty_find_polling_driver(char *name, int *line); extern void tty_driver_kref_put(struct tty_driver *driver); @@ -339,24 +337,18 @@ extern void tty_driver_kref_put(struct tty_driver *driver); #define tty_alloc_driver(lines, flags) \ __tty_alloc_driver(lines, THIS_MODULE, flags) -/* - * DEPRECATED Do not use this in new code, use tty_alloc_driver instead. - * (And change the return value checks.) - */ -static inline struct tty_driver *alloc_tty_driver(unsigned int lines) -{ - struct tty_driver *ret = tty_alloc_driver(lines, 0); - if (IS_ERR(ret)) - return NULL; - return ret; -} - static inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d) { kref_get(&d->kref); return d; } +static inline void tty_set_operations(struct tty_driver *driver, + const struct tty_operations *op) +{ + driver->ops = op; +} + /* tty driver magic number */ #define TTY_DRIVER_MAGIC 0x5402 @@ -434,4 +426,21 @@ static inline struct tty_driver *tty_driver_kref_get(struct tty_driver *d) /* serial subtype definitions */ #define SERIAL_TYPE_NORMAL 1 +int tty_register_driver(struct tty_driver *driver); +void tty_unregister_driver(struct tty_driver *driver); +struct device *tty_register_device(struct tty_driver *driver, unsigned index, + struct device *dev); +struct device *tty_register_device_attr(struct tty_driver *driver, + unsigned index, struct device *device, void *drvdata, + const struct attribute_group **attr_grp); +void tty_unregister_device(struct tty_driver *driver, unsigned index); + +#ifdef CONFIG_PROC_FS +void proc_tty_register_driver(struct tty_driver *); +void proc_tty_unregister_driver(struct tty_driver *); +#else +static inline void proc_tty_register_driver(struct tty_driver *d) {} +static inline void proc_tty_unregister_driver(struct tty_driver *d) {} +#endif + #endif /* #ifdef _LINUX_TTY_DRIVER_H */ diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h index 767f62086bd9..32284992b31a 100644 --- a/include/linux/tty_flip.h +++ b/include/linux/tty_flip.h @@ -2,8 +2,13 @@ #ifndef _LINUX_TTY_FLIP_H #define _LINUX_TTY_FLIP_H +#include <linux/tty_buffer.h> +#include <linux/tty_port.h> + +struct tty_ldisc; + extern int tty_buffer_set_limit(struct tty_port *port, int limit); -extern int tty_buffer_space_avail(struct tty_port *port); +extern unsigned int tty_buffer_space_avail(struct tty_port *port); extern int tty_buffer_request_room(struct tty_port *port, size_t size); extern int tty_insert_flip_string_flags(struct tty_port *port, const unsigned char *chars, const char *flags, size_t size); @@ -37,6 +42,9 @@ static inline int tty_insert_flip_string(struct tty_port *port, return tty_insert_flip_string_fixed_flag(port, chars, TTY_NORMAL, size); } +int tty_ldisc_receive_buf(struct tty_ldisc *ld, const unsigned char *p, + const char *f, int count); + extern void tty_buffer_lock_exclusive(struct tty_port *port); extern void tty_buffer_unlock_exclusive(struct tty_port *port); diff --git a/include/linux/tty_ldisc.h b/include/linux/tty_ldisc.h index 31284b55bd4f..b1d812e902aa 100644 --- a/include/linux/tty_ldisc.h +++ b/include/linux/tty_ldisc.h @@ -2,6 +2,8 @@ #ifndef _LINUX_TTY_LDISC_H #define _LINUX_TTY_LDISC_H +struct tty_struct; + /* * This structure defines the interface between the tty line discipline * implementation and the tty routines. The following routines can be @@ -126,6 +128,9 @@ #include <linux/fs.h> #include <linux/wait.h> #include <linux/atomic.h> +#include <linux/list.h> +#include <linux/lockdep.h> +#include <linux/seq_file.h> /* * the semaphore definition @@ -201,15 +206,13 @@ struct tty_ldisc_ops { * The following routines are called from below. */ void (*receive_buf)(struct tty_struct *, const unsigned char *cp, - char *fp, int count); + const char *fp, int count); void (*write_wakeup)(struct tty_struct *); void (*dcd_change)(struct tty_struct *, unsigned int); int (*receive_buf2)(struct tty_struct *, const unsigned char *cp, - char *fp, int count); + const char *fp, int count); struct module *owner; - - int refcount; }; struct tty_ldisc { @@ -222,4 +225,16 @@ struct tty_ldisc { #define MODULE_ALIAS_LDISC(ldisc) \ MODULE_ALIAS("tty-ldisc-" __stringify(ldisc)) +extern const struct seq_operations tty_ldiscs_seq_ops; + +struct tty_ldisc *tty_ldisc_ref(struct tty_struct *); +void tty_ldisc_deref(struct tty_ldisc *); +struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *); + +void tty_ldisc_flush(struct tty_struct *tty); + +int tty_register_ldisc(struct tty_ldisc_ops *new_ldisc); +void tty_unregister_ldisc(struct tty_ldisc_ops *ldisc); +int tty_set_ldisc(struct tty_struct *tty, int disc); + #endif /* _LINUX_TTY_LDISC_H */ diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h new file mode 100644 index 000000000000..6e86e9e118b6 --- /dev/null +++ b/include/linux/tty_port.h @@ -0,0 +1,208 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _LINUX_TTY_PORT_H +#define _LINUX_TTY_PORT_H + +#include <linux/kref.h> +#include <linux/mutex.h> +#include <linux/tty_buffer.h> +#include <linux/wait.h> + +/* + * Port level information. Each device keeps its own port level information + * so provide a common structure for those ports wanting to use common support + * routines. + * + * The tty port has a different lifetime to the tty so must be kept apart. + * In addition be careful as tty -> port mappings are valid for the life + * of the tty object but in many cases port -> tty mappings are valid only + * until a hangup so don't use the wrong path. + */ + +struct attribute_group; +struct tty_driver; +struct tty_port; +struct tty_struct; + +struct tty_port_operations { + /* Return 1 if the carrier is raised */ + int (*carrier_raised)(struct tty_port *port); + /* Control the DTR line */ + void (*dtr_rts)(struct tty_port *port, int raise); + /* Called when the last close completes or a hangup finishes + IFF the port was initialized. Do not use to free resources. Called + under the port mutex to serialize against activate/shutdowns */ + void (*shutdown)(struct tty_port *port); + /* Called under the port mutex from tty_port_open, serialized using + the port mutex */ + /* FIXME: long term getting the tty argument *out* of this would be + good for consoles */ + int (*activate)(struct tty_port *port, struct tty_struct *tty); + /* Called on the final put of a port */ + void (*destruct)(struct tty_port *port); +}; + +struct tty_port_client_operations { + int (*receive_buf)(struct tty_port *port, const unsigned char *, const unsigned char *, size_t); + void (*write_wakeup)(struct tty_port *port); +}; + +extern const struct tty_port_client_operations tty_port_default_client_ops; + +struct tty_port { + struct tty_bufhead buf; /* Locked internally */ + struct tty_struct *tty; /* Back pointer */ + struct tty_struct *itty; /* internal back ptr */ + const struct tty_port_operations *ops; /* Port operations */ + const struct tty_port_client_operations *client_ops; /* Port client operations */ + spinlock_t lock; /* Lock protecting tty field */ + int blocked_open; /* Waiting to open */ + int count; /* Usage count */ + wait_queue_head_t open_wait; /* Open waiters */ + wait_queue_head_t delta_msr_wait; /* Modem status change */ + unsigned long flags; /* User TTY flags ASYNC_ */ + unsigned long iflags; /* Internal flags TTY_PORT_ */ + unsigned char console:1; /* port is a console */ + struct mutex mutex; /* Locking */ + struct mutex buf_mutex; /* Buffer alloc lock */ + unsigned char *xmit_buf; /* Optional buffer */ + unsigned int close_delay; /* Close port delay */ + unsigned int closing_wait; /* Delay for output */ + int drain_delay; /* Set to zero if no pure time + based drain is needed else + set to size of fifo */ + struct kref kref; /* Ref counter */ + void *client_data; +}; + +/* tty_port::iflags bits -- use atomic bit ops */ +#define TTY_PORT_INITIALIZED 0 /* device is initialized */ +#define TTY_PORT_SUSPENDED 1 /* device is suspended */ +#define TTY_PORT_ACTIVE 2 /* device is open */ + +/* + * uart drivers: use the uart_port::status field and the UPSTAT_* defines + * for s/w-based flow control steering and carrier detection status + */ +#define TTY_PORT_CTS_FLOW 3 /* h/w flow control enabled */ +#define TTY_PORT_CHECK_CD 4 /* carrier detect enabled */ +#define TTY_PORT_KOPENED 5 /* device exclusively opened by + kernel */ + +void tty_port_init(struct tty_port *port); +void tty_port_link_device(struct tty_port *port, struct tty_driver *driver, + unsigned index); +struct device *tty_port_register_device(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device); +struct device *tty_port_register_device_attr(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device, void *drvdata, + const struct attribute_group **attr_grp); +struct device *tty_port_register_device_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device); +struct device *tty_port_register_device_attr_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device, void *drvdata, + const struct attribute_group **attr_grp); +void tty_port_unregister_device(struct tty_port *port, + struct tty_driver *driver, unsigned index); +int tty_port_alloc_xmit_buf(struct tty_port *port); +void tty_port_free_xmit_buf(struct tty_port *port); +void tty_port_destroy(struct tty_port *port); +void tty_port_put(struct tty_port *port); + +static inline struct tty_port *tty_port_get(struct tty_port *port) +{ + if (port && kref_get_unless_zero(&port->kref)) + return port; + return NULL; +} + +/* If the cts flow control is enabled, return true. */ +static inline bool tty_port_cts_enabled(const struct tty_port *port) +{ + return test_bit(TTY_PORT_CTS_FLOW, &port->iflags); +} + +static inline void tty_port_set_cts_flow(struct tty_port *port, bool val) +{ + assign_bit(TTY_PORT_CTS_FLOW, &port->iflags, val); +} + +static inline bool tty_port_active(const struct tty_port *port) +{ + return test_bit(TTY_PORT_ACTIVE, &port->iflags); +} + +static inline void tty_port_set_active(struct tty_port *port, bool val) +{ + assign_bit(TTY_PORT_ACTIVE, &port->iflags, val); +} + +static inline bool tty_port_check_carrier(const struct tty_port *port) +{ + return test_bit(TTY_PORT_CHECK_CD, &port->iflags); +} + +static inline void tty_port_set_check_carrier(struct tty_port *port, bool val) +{ + assign_bit(TTY_PORT_CHECK_CD, &port->iflags, val); +} + +static inline bool tty_port_suspended(const struct tty_port *port) +{ + return test_bit(TTY_PORT_SUSPENDED, &port->iflags); +} + +static inline void tty_port_set_suspended(struct tty_port *port, bool val) +{ + assign_bit(TTY_PORT_SUSPENDED, &port->iflags, val); +} + +static inline bool tty_port_initialized(const struct tty_port *port) +{ + return test_bit(TTY_PORT_INITIALIZED, &port->iflags); +} + +static inline void tty_port_set_initialized(struct tty_port *port, bool val) +{ + assign_bit(TTY_PORT_INITIALIZED, &port->iflags, val); +} + +static inline bool tty_port_kopened(const struct tty_port *port) +{ + return test_bit(TTY_PORT_KOPENED, &port->iflags); +} + +static inline void tty_port_set_kopened(struct tty_port *port, bool val) +{ + assign_bit(TTY_PORT_KOPENED, &port->iflags, val); +} + +struct tty_struct *tty_port_tty_get(struct tty_port *port); +void tty_port_tty_set(struct tty_port *port, struct tty_struct *tty); +int tty_port_carrier_raised(struct tty_port *port); +void tty_port_raise_dtr_rts(struct tty_port *port); +void tty_port_lower_dtr_rts(struct tty_port *port); +void tty_port_hangup(struct tty_port *port); +void tty_port_tty_hangup(struct tty_port *port, bool check_clocal); +void tty_port_tty_wakeup(struct tty_port *port); +int tty_port_block_til_ready(struct tty_port *port, struct tty_struct *tty, + struct file *filp); +int tty_port_close_start(struct tty_port *port, struct tty_struct *tty, + struct file *filp); +void tty_port_close_end(struct tty_port *port, struct tty_struct *tty); +void tty_port_close(struct tty_port *port, struct tty_struct *tty, + struct file *filp); +int tty_port_install(struct tty_port *port, struct tty_driver *driver, + struct tty_struct *tty); +int tty_port_open(struct tty_port *port, struct tty_struct *tty, + struct file *filp); + +static inline int tty_port_users(struct tty_port *port) +{ + return port->count + port->blocked_open; +} + +#endif diff --git a/include/linux/typecheck.h b/include/linux/typecheck.h index 20d310331eb5..46b15e2aaefb 100644 --- a/include/linux/typecheck.h +++ b/include/linux/typecheck.h @@ -22,4 +22,13 @@ (void)__tmp; \ }) +/* + * Check at compile time that something is a pointer type. + */ +#define typecheck_pointer(x) \ +({ typeof(x) __dummy; \ + (void)sizeof(*__dummy); \ + 1; \ +}) + #endif /* TYPECHECK_H_INCLUDED */ diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index c05e903cef02..ac0394087f7d 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -200,16 +200,6 @@ copy_to_user(void __user *to, const void *from, unsigned long n) n = _copy_to_user(to, from, n); return n; } -#ifdef CONFIG_COMPAT -static __always_inline unsigned long __must_check -copy_in_user(void __user *to, const void __user *from, unsigned long n) -{ - might_fault(); - if (access_ok(to, n) && access_ok(from, n)) - n = raw_copy_in_user(to, from, n); - return n; -} -#endif #ifndef copy_mc_to_kernel /* diff --git a/include/linux/uio.h b/include/linux/uio.h index d3ec87706d75..207101a9c5c3 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -19,21 +19,23 @@ struct kvec { enum iter_type { /* iter types */ - ITER_IOVEC = 4, - ITER_KVEC = 8, - ITER_BVEC = 16, - ITER_PIPE = 32, - ITER_DISCARD = 64, - ITER_XARRAY = 128, + ITER_IOVEC, + ITER_KVEC, + ITER_BVEC, + ITER_PIPE, + ITER_XARRAY, + ITER_DISCARD, +}; + +struct iov_iter_state { + size_t iov_offset; + size_t count; + unsigned long nr_segs; }; struct iov_iter { - /* - * Bit 0 is the read/write bit, set if we're writing. - * Bit 1 is the BVEC_FLAG_NO_REF bit, set if type is a bvec and - * the caller isn't expecting to drop a page reference when done. - */ - unsigned int type; + u8 iter_type; + bool data_source; size_t iov_offset; size_t count; union { @@ -55,7 +57,15 @@ struct iov_iter { static inline enum iter_type iov_iter_type(const struct iov_iter *i) { - return i->type & ~(READ | WRITE); + return i->iter_type; +} + +static inline void iov_iter_save_state(struct iov_iter *iter, + struct iov_iter_state *state) +{ + state->iov_offset = iter->iov_offset; + state->count = iter->count; + state->nr_segs = iter->nr_segs; } static inline bool iter_is_iovec(const struct iov_iter *i) @@ -90,7 +100,7 @@ static inline bool iov_iter_is_xarray(const struct iov_iter *i) static inline unsigned char iov_iter_rw(const struct iov_iter *i) { - return i->type & (READ | WRITE); + return i->data_source ? WRITE : READ; } /* @@ -119,11 +129,11 @@ static inline struct iovec iov_iter_iovec(const struct iov_iter *iter) }; } -size_t iov_iter_copy_from_user_atomic(struct page *page, - struct iov_iter *i, unsigned long offset, size_t bytes); +size_t copy_page_from_iter_atomic(struct page *page, unsigned offset, + size_t bytes, struct iov_iter *i); void iov_iter_advance(struct iov_iter *i, size_t bytes); void iov_iter_revert(struct iov_iter *i, size_t bytes); -int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); +int iov_iter_fault_in_readable(const struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, struct iov_iter *i); @@ -132,9 +142,7 @@ size_t copy_page_from_iter(struct page *page, size_t offset, size_t bytes, size_t _copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i); size_t _copy_from_iter(void *addr, size_t bytes, struct iov_iter *i); -bool _copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i); size_t _copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i); -bool _copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i); static __always_inline __must_check size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i) @@ -157,10 +165,11 @@ size_t copy_from_iter(void *addr, size_t bytes, struct iov_iter *i) static __always_inline __must_check bool copy_from_iter_full(void *addr, size_t bytes, struct iov_iter *i) { - if (unlikely(!check_copy_size(addr, bytes, false))) - return false; - else - return _copy_from_iter_full(addr, bytes, i); + size_t copied = copy_from_iter(addr, bytes, i); + if (likely(copied == bytes)) + return true; + iov_iter_revert(i, copied); + return false; } static __always_inline __must_check @@ -175,10 +184,11 @@ size_t copy_from_iter_nocache(void *addr, size_t bytes, struct iov_iter *i) static __always_inline __must_check bool copy_from_iter_full_nocache(void *addr, size_t bytes, struct iov_iter *i) { - if (unlikely(!check_copy_size(addr, bytes, false))) - return false; - else - return _copy_from_iter_full_nocache(addr, bytes, i); + size_t copied = copy_from_iter_nocache(addr, bytes, i); + if (likely(copied == bytes)) + return true; + iov_iter_revert(i, copied); + return false; } #ifdef CONFIG_ARCH_HAS_UACCESS_FLUSHCACHE @@ -236,6 +246,7 @@ ssize_t iov_iter_get_pages(struct iov_iter *i, struct page **pages, ssize_t iov_iter_get_pages_alloc(struct iov_iter *i, struct page ***pages, size_t maxsize, size_t *start); int iov_iter_npages(const struct iov_iter *i, int maxpages); +void iov_iter_restore(struct iov_iter *i, struct iov_iter_state *state); const void *dup_iter(struct iov_iter *new, struct iov_iter *old, gfp_t flags); @@ -278,7 +289,17 @@ struct csum_state { size_t csum_and_copy_to_iter(const void *addr, size_t bytes, void *csstate, struct iov_iter *i); size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); -bool csum_and_copy_from_iter_full(void *addr, size_t bytes, __wsum *csum, struct iov_iter *i); + +static __always_inline __must_check +bool csum_and_copy_from_iter_full(void *addr, size_t bytes, + __wsum *csum, struct iov_iter *i) +{ + size_t copied = csum_and_copy_from_iter(addr, bytes, csum, i); + if (likely(copied == bytes)) + return true; + iov_iter_revert(i, copied); + return false; +} size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp, struct iov_iter *i); @@ -294,8 +315,4 @@ ssize_t __import_iovec(int type, const struct iovec __user *uvec, int import_single_range(int type, void __user *buf, size_t len, struct iovec *iov, struct iov_iter *i); -int iov_iter_for_each_range(struct iov_iter *i, size_t bytes, - int (*f)(struct kvec *vec, void *context), - void *context); - #endif diff --git a/include/linux/unaligned/access_ok.h b/include/linux/unaligned/access_ok.h deleted file mode 100644 index 167aa849c0ce..000000000000 --- a/include/linux/unaligned/access_ok.h +++ /dev/null @@ -1,68 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_ACCESS_OK_H -#define _LINUX_UNALIGNED_ACCESS_OK_H - -#include <linux/kernel.h> -#include <asm/byteorder.h> - -static __always_inline u16 get_unaligned_le16(const void *p) -{ - return le16_to_cpup((__le16 *)p); -} - -static __always_inline u32 get_unaligned_le32(const void *p) -{ - return le32_to_cpup((__le32 *)p); -} - -static __always_inline u64 get_unaligned_le64(const void *p) -{ - return le64_to_cpup((__le64 *)p); -} - -static __always_inline u16 get_unaligned_be16(const void *p) -{ - return be16_to_cpup((__be16 *)p); -} - -static __always_inline u32 get_unaligned_be32(const void *p) -{ - return be32_to_cpup((__be32 *)p); -} - -static __always_inline u64 get_unaligned_be64(const void *p) -{ - return be64_to_cpup((__be64 *)p); -} - -static __always_inline void put_unaligned_le16(u16 val, void *p) -{ - *((__le16 *)p) = cpu_to_le16(val); -} - -static __always_inline void put_unaligned_le32(u32 val, void *p) -{ - *((__le32 *)p) = cpu_to_le32(val); -} - -static __always_inline void put_unaligned_le64(u64 val, void *p) -{ - *((__le64 *)p) = cpu_to_le64(val); -} - -static __always_inline void put_unaligned_be16(u16 val, void *p) -{ - *((__be16 *)p) = cpu_to_be16(val); -} - -static __always_inline void put_unaligned_be32(u32 val, void *p) -{ - *((__be32 *)p) = cpu_to_be32(val); -} - -static __always_inline void put_unaligned_be64(u64 val, void *p) -{ - *((__be64 *)p) = cpu_to_be64(val); -} - -#endif /* _LINUX_UNALIGNED_ACCESS_OK_H */ diff --git a/include/linux/unaligned/be_byteshift.h b/include/linux/unaligned/be_byteshift.h deleted file mode 100644 index c43ff5918c8a..000000000000 --- a/include/linux/unaligned/be_byteshift.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_BE_BYTESHIFT_H -#define _LINUX_UNALIGNED_BE_BYTESHIFT_H - -#include <linux/types.h> - -static inline u16 __get_unaligned_be16(const u8 *p) -{ - return p[0] << 8 | p[1]; -} - -static inline u32 __get_unaligned_be32(const u8 *p) -{ - return p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3]; -} - -static inline u64 __get_unaligned_be64(const u8 *p) -{ - return (u64)__get_unaligned_be32(p) << 32 | - __get_unaligned_be32(p + 4); -} - -static inline void __put_unaligned_be16(u16 val, u8 *p) -{ - *p++ = val >> 8; - *p++ = val; -} - -static inline void __put_unaligned_be32(u32 val, u8 *p) -{ - __put_unaligned_be16(val >> 16, p); - __put_unaligned_be16(val, p + 2); -} - -static inline void __put_unaligned_be64(u64 val, u8 *p) -{ - __put_unaligned_be32(val >> 32, p); - __put_unaligned_be32(val, p + 4); -} - -static inline u16 get_unaligned_be16(const void *p) -{ - return __get_unaligned_be16(p); -} - -static inline u32 get_unaligned_be32(const void *p) -{ - return __get_unaligned_be32(p); -} - -static inline u64 get_unaligned_be64(const void *p) -{ - return __get_unaligned_be64(p); -} - -static inline void put_unaligned_be16(u16 val, void *p) -{ - __put_unaligned_be16(val, p); -} - -static inline void put_unaligned_be32(u32 val, void *p) -{ - __put_unaligned_be32(val, p); -} - -static inline void put_unaligned_be64(u64 val, void *p) -{ - __put_unaligned_be64(val, p); -} - -#endif /* _LINUX_UNALIGNED_BE_BYTESHIFT_H */ diff --git a/include/linux/unaligned/be_memmove.h b/include/linux/unaligned/be_memmove.h deleted file mode 100644 index 7164214a4ba1..000000000000 --- a/include/linux/unaligned/be_memmove.h +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_BE_MEMMOVE_H -#define _LINUX_UNALIGNED_BE_MEMMOVE_H - -#include <linux/unaligned/memmove.h> - -static inline u16 get_unaligned_be16(const void *p) -{ - return __get_unaligned_memmove16((const u8 *)p); -} - -static inline u32 get_unaligned_be32(const void *p) -{ - return __get_unaligned_memmove32((const u8 *)p); -} - -static inline u64 get_unaligned_be64(const void *p) -{ - return __get_unaligned_memmove64((const u8 *)p); -} - -static inline void put_unaligned_be16(u16 val, void *p) -{ - __put_unaligned_memmove16(val, p); -} - -static inline void put_unaligned_be32(u32 val, void *p) -{ - __put_unaligned_memmove32(val, p); -} - -static inline void put_unaligned_be64(u64 val, void *p) -{ - __put_unaligned_memmove64(val, p); -} - -#endif /* _LINUX_UNALIGNED_LE_MEMMOVE_H */ diff --git a/include/linux/unaligned/be_struct.h b/include/linux/unaligned/be_struct.h deleted file mode 100644 index 15ea503a13fc..000000000000 --- a/include/linux/unaligned/be_struct.h +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_BE_STRUCT_H -#define _LINUX_UNALIGNED_BE_STRUCT_H - -#include <linux/unaligned/packed_struct.h> - -static inline u16 get_unaligned_be16(const void *p) -{ - return __get_unaligned_cpu16((const u8 *)p); -} - -static inline u32 get_unaligned_be32(const void *p) -{ - return __get_unaligned_cpu32((const u8 *)p); -} - -static inline u64 get_unaligned_be64(const void *p) -{ - return __get_unaligned_cpu64((const u8 *)p); -} - -static inline void put_unaligned_be16(u16 val, void *p) -{ - __put_unaligned_cpu16(val, p); -} - -static inline void put_unaligned_be32(u32 val, void *p) -{ - __put_unaligned_cpu32(val, p); -} - -static inline void put_unaligned_be64(u64 val, void *p) -{ - __put_unaligned_cpu64(val, p); -} - -#endif /* _LINUX_UNALIGNED_BE_STRUCT_H */ diff --git a/include/linux/unaligned/generic.h b/include/linux/unaligned/generic.h deleted file mode 100644 index 303289492859..000000000000 --- a/include/linux/unaligned/generic.h +++ /dev/null @@ -1,115 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_GENERIC_H -#define _LINUX_UNALIGNED_GENERIC_H - -#include <linux/types.h> - -/* - * Cause a link-time error if we try an unaligned access other than - * 1,2,4 or 8 bytes long - */ -extern void __bad_unaligned_access_size(void); - -#define __get_unaligned_le(ptr) ((__force typeof(*(ptr)))({ \ - __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \ - __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_le16((ptr)), \ - __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_le32((ptr)), \ - __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_le64((ptr)), \ - __bad_unaligned_access_size())))); \ - })) - -#define __get_unaligned_be(ptr) ((__force typeof(*(ptr)))({ \ - __builtin_choose_expr(sizeof(*(ptr)) == 1, *(ptr), \ - __builtin_choose_expr(sizeof(*(ptr)) == 2, get_unaligned_be16((ptr)), \ - __builtin_choose_expr(sizeof(*(ptr)) == 4, get_unaligned_be32((ptr)), \ - __builtin_choose_expr(sizeof(*(ptr)) == 8, get_unaligned_be64((ptr)), \ - __bad_unaligned_access_size())))); \ - })) - -#define __put_unaligned_le(val, ptr) ({ \ - void *__gu_p = (ptr); \ - switch (sizeof(*(ptr))) { \ - case 1: \ - *(u8 *)__gu_p = (__force u8)(val); \ - break; \ - case 2: \ - put_unaligned_le16((__force u16)(val), __gu_p); \ - break; \ - case 4: \ - put_unaligned_le32((__force u32)(val), __gu_p); \ - break; \ - case 8: \ - put_unaligned_le64((__force u64)(val), __gu_p); \ - break; \ - default: \ - __bad_unaligned_access_size(); \ - break; \ - } \ - (void)0; }) - -#define __put_unaligned_be(val, ptr) ({ \ - void *__gu_p = (ptr); \ - switch (sizeof(*(ptr))) { \ - case 1: \ - *(u8 *)__gu_p = (__force u8)(val); \ - break; \ - case 2: \ - put_unaligned_be16((__force u16)(val), __gu_p); \ - break; \ - case 4: \ - put_unaligned_be32((__force u32)(val), __gu_p); \ - break; \ - case 8: \ - put_unaligned_be64((__force u64)(val), __gu_p); \ - break; \ - default: \ - __bad_unaligned_access_size(); \ - break; \ - } \ - (void)0; }) - -static inline u32 __get_unaligned_be24(const u8 *p) -{ - return p[0] << 16 | p[1] << 8 | p[2]; -} - -static inline u32 get_unaligned_be24(const void *p) -{ - return __get_unaligned_be24(p); -} - -static inline u32 __get_unaligned_le24(const u8 *p) -{ - return p[0] | p[1] << 8 | p[2] << 16; -} - -static inline u32 get_unaligned_le24(const void *p) -{ - return __get_unaligned_le24(p); -} - -static inline void __put_unaligned_be24(const u32 val, u8 *p) -{ - *p++ = val >> 16; - *p++ = val >> 8; - *p++ = val; -} - -static inline void put_unaligned_be24(const u32 val, void *p) -{ - __put_unaligned_be24(val, p); -} - -static inline void __put_unaligned_le24(const u32 val, u8 *p) -{ - *p++ = val; - *p++ = val >> 8; - *p++ = val >> 16; -} - -static inline void put_unaligned_le24(const u32 val, void *p) -{ - __put_unaligned_le24(val, p); -} - -#endif /* _LINUX_UNALIGNED_GENERIC_H */ diff --git a/include/linux/unaligned/le_byteshift.h b/include/linux/unaligned/le_byteshift.h deleted file mode 100644 index 2248dcb0df76..000000000000 --- a/include/linux/unaligned/le_byteshift.h +++ /dev/null @@ -1,71 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_LE_BYTESHIFT_H -#define _LINUX_UNALIGNED_LE_BYTESHIFT_H - -#include <linux/types.h> - -static inline u16 __get_unaligned_le16(const u8 *p) -{ - return p[0] | p[1] << 8; -} - -static inline u32 __get_unaligned_le32(const u8 *p) -{ - return p[0] | p[1] << 8 | p[2] << 16 | p[3] << 24; -} - -static inline u64 __get_unaligned_le64(const u8 *p) -{ - return (u64)__get_unaligned_le32(p + 4) << 32 | - __get_unaligned_le32(p); -} - -static inline void __put_unaligned_le16(u16 val, u8 *p) -{ - *p++ = val; - *p++ = val >> 8; -} - -static inline void __put_unaligned_le32(u32 val, u8 *p) -{ - __put_unaligned_le16(val >> 16, p + 2); - __put_unaligned_le16(val, p); -} - -static inline void __put_unaligned_le64(u64 val, u8 *p) -{ - __put_unaligned_le32(val >> 32, p + 4); - __put_unaligned_le32(val, p); -} - -static inline u16 get_unaligned_le16(const void *p) -{ - return __get_unaligned_le16(p); -} - -static inline u32 get_unaligned_le32(const void *p) -{ - return __get_unaligned_le32(p); -} - -static inline u64 get_unaligned_le64(const void *p) -{ - return __get_unaligned_le64(p); -} - -static inline void put_unaligned_le16(u16 val, void *p) -{ - __put_unaligned_le16(val, p); -} - -static inline void put_unaligned_le32(u32 val, void *p) -{ - __put_unaligned_le32(val, p); -} - -static inline void put_unaligned_le64(u64 val, void *p) -{ - __put_unaligned_le64(val, p); -} - -#endif /* _LINUX_UNALIGNED_LE_BYTESHIFT_H */ diff --git a/include/linux/unaligned/le_memmove.h b/include/linux/unaligned/le_memmove.h deleted file mode 100644 index 9202e864d026..000000000000 --- a/include/linux/unaligned/le_memmove.h +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_LE_MEMMOVE_H -#define _LINUX_UNALIGNED_LE_MEMMOVE_H - -#include <linux/unaligned/memmove.h> - -static inline u16 get_unaligned_le16(const void *p) -{ - return __get_unaligned_memmove16((const u8 *)p); -} - -static inline u32 get_unaligned_le32(const void *p) -{ - return __get_unaligned_memmove32((const u8 *)p); -} - -static inline u64 get_unaligned_le64(const void *p) -{ - return __get_unaligned_memmove64((const u8 *)p); -} - -static inline void put_unaligned_le16(u16 val, void *p) -{ - __put_unaligned_memmove16(val, p); -} - -static inline void put_unaligned_le32(u32 val, void *p) -{ - __put_unaligned_memmove32(val, p); -} - -static inline void put_unaligned_le64(u64 val, void *p) -{ - __put_unaligned_memmove64(val, p); -} - -#endif /* _LINUX_UNALIGNED_LE_MEMMOVE_H */ diff --git a/include/linux/unaligned/le_struct.h b/include/linux/unaligned/le_struct.h deleted file mode 100644 index 9977987883a6..000000000000 --- a/include/linux/unaligned/le_struct.h +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_LE_STRUCT_H -#define _LINUX_UNALIGNED_LE_STRUCT_H - -#include <linux/unaligned/packed_struct.h> - -static inline u16 get_unaligned_le16(const void *p) -{ - return __get_unaligned_cpu16((const u8 *)p); -} - -static inline u32 get_unaligned_le32(const void *p) -{ - return __get_unaligned_cpu32((const u8 *)p); -} - -static inline u64 get_unaligned_le64(const void *p) -{ - return __get_unaligned_cpu64((const u8 *)p); -} - -static inline void put_unaligned_le16(u16 val, void *p) -{ - __put_unaligned_cpu16(val, p); -} - -static inline void put_unaligned_le32(u32 val, void *p) -{ - __put_unaligned_cpu32(val, p); -} - -static inline void put_unaligned_le64(u64 val, void *p) -{ - __put_unaligned_cpu64(val, p); -} - -#endif /* _LINUX_UNALIGNED_LE_STRUCT_H */ diff --git a/include/linux/unaligned/memmove.h b/include/linux/unaligned/memmove.h deleted file mode 100644 index ac71b53bc6dc..000000000000 --- a/include/linux/unaligned/memmove.h +++ /dev/null @@ -1,46 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _LINUX_UNALIGNED_MEMMOVE_H -#define _LINUX_UNALIGNED_MEMMOVE_H - -#include <linux/kernel.h> -#include <linux/string.h> - -/* Use memmove here, so gcc does not insert a __builtin_memcpy. */ - -static inline u16 __get_unaligned_memmove16(const void *p) -{ - u16 tmp; - memmove(&tmp, p, 2); - return tmp; -} - -static inline u32 __get_unaligned_memmove32(const void *p) -{ - u32 tmp; - memmove(&tmp, p, 4); - return tmp; -} - -static inline u64 __get_unaligned_memmove64(const void *p) -{ - u64 tmp; - memmove(&tmp, p, 8); - return tmp; -} - -static inline void __put_unaligned_memmove16(u16 val, void *p) -{ - memmove(p, &val, 2); -} - -static inline void __put_unaligned_memmove32(u32 val, void *p) -{ - memmove(p, &val, 4); -} - -static inline void __put_unaligned_memmove64(u64 val, void *p) -{ - memmove(p, &val, 8); -} - -#endif /* _LINUX_UNALIGNED_MEMMOVE_H */ diff --git a/include/linux/units.h b/include/linux/units.h index dcc30a53fa93..681fc652e3d7 100644 --- a/include/linux/units.h +++ b/include/linux/units.h @@ -4,9 +4,29 @@ #include <linux/math.h> -#define MILLIWATT_PER_WATT 1000L -#define MICROWATT_PER_MILLIWATT 1000L -#define MICROWATT_PER_WATT 1000000L +/* Metric prefixes in accordance with Système international (d'unités) */ +#define PETA 1000000000000000ULL +#define TERA 1000000000000ULL +#define GIGA 1000000000UL +#define MEGA 1000000UL +#define KILO 1000UL +#define HECTO 100UL +#define DECA 10UL +#define DECI 10UL +#define CENTI 100UL +#define MILLI 1000UL +#define MICRO 1000000UL +#define NANO 1000000000UL +#define PICO 1000000000000ULL +#define FEMTO 1000000000000000ULL + +#define HZ_PER_KHZ 1000UL +#define KHZ_PER_MHZ 1000UL +#define HZ_PER_MHZ 1000000UL + +#define MILLIWATT_PER_WATT 1000UL +#define MICROWATT_PER_MILLIWATT 1000UL +#define MICROWATT_PER_WATT 1000000UL #define ABSOLUTE_ZERO_MILLICELSIUS -273150 diff --git a/include/linux/usb.h b/include/linux/usb.h index eaae24217e8a..7ccaa76a9a96 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -473,12 +473,6 @@ struct usb_dev_state; struct usb_tt; -enum usb_device_removable { - USB_DEVICE_REMOVABLE_UNKNOWN = 0, - USB_DEVICE_REMOVABLE, - USB_DEVICE_FIXED, -}; - enum usb_port_connect_type { USB_PORT_CONNECT_TYPE_UNKNOWN = 0, USB_PORT_CONNECT_TYPE_HOT_PLUG, @@ -703,7 +697,6 @@ struct usb_device { #endif struct wusb_dev *wusb_dev; int slot_id; - enum usb_device_removable removable; struct usb2_lpm_parameters l1_params; struct usb3_lpm_parameters u1_params; struct usb3_lpm_parameters u2_params; @@ -1485,7 +1478,7 @@ typedef void (*usb_complete_t)(struct urb *); * * Note that transfer_buffer must still be set if the controller * does not support DMA (as indicated by hcd_uses_dma()) and when talking - * to root hub. If you have to trasfer between highmem zone and the device + * to root hub. If you have to transfer between highmem zone and the device * on such controller, create a bounce buffer or bail out with an error. * If transfer_buffer cannot be set (is in highmem) and the controller is DMA * capable, assign NULL to it, so that usbmon knows not to use the value. diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index ead8c9a47c6a..8fc2abd7aecb 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -156,6 +156,20 @@ struct uac2_feature_unit_descriptor { __u8 bmaControls[]; /* variable length */ } __attribute__((packed)); +#define UAC2_DT_FEATURE_UNIT_SIZE(ch) (6 + ((ch) + 1) * 4) + +/* As above, but more useful for defining your own descriptors: */ +#define DECLARE_UAC2_FEATURE_UNIT_DESCRIPTOR(ch) \ +struct uac2_feature_unit_descriptor_##ch { \ + __u8 bLength; \ + __u8 bDescriptorType; \ + __u8 bDescriptorSubtype; \ + __u8 bUnitID; \ + __u8 bSourceID; \ + __le32 bmaControls[ch + 1]; \ + __u8 iFeature; \ +} __packed + /* 4.7.2.10 Effect Unit Descriptor */ struct uac2_effect_unit_descriptor { diff --git a/include/linux/usb/cdc-wdm.h b/include/linux/usb/cdc-wdm.h index 9b895f93d8de..9f5a51f79ba5 100644 --- a/include/linux/usb/cdc-wdm.h +++ b/include/linux/usb/cdc-wdm.h @@ -12,11 +12,12 @@ #ifndef __LINUX_USB_CDC_WDM_H #define __LINUX_USB_CDC_WDM_H +#include <linux/wwan.h> #include <uapi/linux/usb/cdc-wdm.h> extern struct usb_driver *usb_cdc_wdm_register(struct usb_interface *intf, struct usb_endpoint_descriptor *ep, - int bufsize, + int bufsize, enum wwan_port_type type, int (*manage_power)(struct usb_interface *, int)); #endif /* __LINUX_USB_CDC_WDM_H */ diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index c71150f2c639..9d2762279286 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -271,7 +271,7 @@ int config_ep_by_speed(struct usb_gadget *g, struct usb_function *f, * @bConfigurationValue: Copied into configuration descriptor. * @iConfiguration: Copied into configuration descriptor. * @bmAttributes: Copied into configuration descriptor. - * @MaxPower: Power consumtion in mA. Used to compute bMaxPower in the + * @MaxPower: Power consumption in mA. Used to compute bMaxPower in the * configuration descriptor after considering the bus speed. * @cdev: assigned by @usb_add_config() before calling @bind(); this is * the device associated with this configuration. diff --git a/include/linux/usb/ehci_def.h b/include/linux/usb/ehci_def.h index 78e006355557..c892c5bc6638 100644 --- a/include/linux/usb/ehci_def.h +++ b/include/linux/usb/ehci_def.h @@ -45,6 +45,7 @@ struct ehci_caps { #define HCS_PORTROUTED(p) ((p)&(1 << 7)) /* true: port routing */ #define HCS_PPC(p) ((p)&(1 << 4)) /* true: port power control */ #define HCS_N_PORTS(p) (((p)>>0)&0xf) /* bits 3:0, ports on HC */ +#define HCS_N_PORTS_MAX 15 /* N_PORTS valid 0x1-0xF */ u32 hcc_params; /* HCCPARAMS - offset 0x8 */ /* EHCI 1.1 addendum */ @@ -126,8 +127,9 @@ struct ehci_regs { u32 configured_flag; #define FLAG_CF (1<<0) /* true: we'll support "high speed" */ - /* PORTSC: offset 0x44 */ - u32 port_status[0]; /* up to N_PORTS */ + union { + /* PORTSC: offset 0x44 */ + u32 port_status[HCS_N_PORTS_MAX]; /* up to N_PORTS */ /* EHCI 1.1 addendum */ #define PORTSC_SUSPEND_STS_ACK 0 #define PORTSC_SUSPEND_STS_NYET 1 @@ -164,28 +166,35 @@ struct ehci_regs { #define PORT_CSC (1<<1) /* connect status change */ #define PORT_CONNECT (1<<0) /* device connected */ #define PORT_RWC_BITS (PORT_CSC | PORT_PEC | PORT_OCC) - - u32 reserved3[9]; - - /* USBMODE: offset 0x68 */ - u32 usbmode; /* USB Device mode */ + struct { + u32 reserved3[9]; + /* USBMODE: offset 0x68 */ + u32 usbmode; /* USB Device mode */ + }; #define USBMODE_SDIS (1<<3) /* Stream disable */ #define USBMODE_BE (1<<2) /* BE/LE endianness select */ #define USBMODE_CM_HC (3<<0) /* host controller mode */ #define USBMODE_CM_IDLE (0<<0) /* idle state */ - - u32 reserved4[6]; + }; /* Moorestown has some non-standard registers, partially due to the fact that * its EHCI controller has both TT and LPM support. HOSTPCx are extensions to * PORTSCx */ - /* HOSTPC: offset 0x84 */ - u32 hostpc[0]; /* HOSTPC extension */ + union { + struct { + u32 reserved4; + /* HOSTPC: offset 0x84 */ + u32 hostpc[HCS_N_PORTS_MAX]; #define HOSTPC_PHCD (1<<22) /* Phy clock disable */ #define HOSTPC_PSPD (3<<25) /* Port speed detection */ + }; + + /* Broadcom-proprietary USB_EHCI_INSNREG00 @ 0x80 */ + u32 brcm_insnreg[4]; + }; - u32 reserved5[17]; + u32 reserved5[2]; /* USBMODE_EX: offset 0xc8 */ u32 usbmode_ex; /* USB Device mode extension */ diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index ee04ef214ce8..10fe57cf40be 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -197,7 +197,7 @@ struct usb_ep_caps { * @name:identifier for the endpoint, such as "ep-a" or "ep9in-bulk" * @ops: Function pointers used to access hardware-specific operations. * @ep_list:the gadget's ep_list holds all of its endpoints - * @caps:The structure describing types and directions supported by endoint. + * @caps:The structure describing types and directions supported by endpoint. * @enabled: The current endpoint enabled/disabled state. * @claimed: True if this endpoint is claimed by a function. * @maxpacket:The maximum packet size used on this endpoint. The initial @@ -325,9 +325,11 @@ struct usb_gadget_ops { void (*udc_set_speed)(struct usb_gadget *, enum usb_device_speed); void (*udc_set_ssp_rate)(struct usb_gadget *gadget, enum usb_ssp_rate rate); + void (*udc_async_callbacks)(struct usb_gadget *gadget, bool enable); struct usb_ep *(*match_ep)(struct usb_gadget *, struct usb_endpoint_descriptor *, struct usb_ss_ep_comp_descriptor *); + int (*check_config)(struct usb_gadget *gadget); }; /** @@ -490,7 +492,7 @@ extern char *usb_get_gadget_udc_name(void); */ static inline size_t usb_ep_align(struct usb_ep *ep, size_t len) { - int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc) & 0x7ff; + int max_packet_size = (size_t)usb_endpoint_maxp(ep->desc); return round_up(len, max_packet_size); } @@ -607,6 +609,7 @@ int usb_gadget_connect(struct usb_gadget *gadget); int usb_gadget_disconnect(struct usb_gadget *gadget); int usb_gadget_deactivate(struct usb_gadget *gadget); int usb_gadget_activate(struct usb_gadget *gadget); +int usb_gadget_check_config(struct usb_gadget *gadget); #else static inline int usb_gadget_frame_number(struct usb_gadget *gadget) { return 0; } @@ -630,6 +633,8 @@ static inline int usb_gadget_deactivate(struct usb_gadget *gadget) { return 0; } static inline int usb_gadget_activate(struct usb_gadget *gadget) { return 0; } +static inline int usb_gadget_check_config(struct usb_gadget *gadget) +{ return 0; } #endif /* CONFIG_USB_GADGET */ /*-------------------------------------------------------------------------*/ diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h index 96281cd50ff6..2c1fc9212cf2 100644 --- a/include/linux/usb/hcd.h +++ b/include/linux/usb/hcd.h @@ -59,7 +59,7 @@ * USB Host Controller Driver (usb_hcd) framework * * Since "struct usb_bus" is so thin, you can't share much code in it. - * This framework is a layer over that, and should be more sharable. + * This framework is a layer over that, and should be more shareable. */ /*-------------------------------------------------------------------------*/ @@ -124,6 +124,7 @@ struct usb_hcd { #define HCD_FLAG_RH_RUNNING 5 /* root hub is running? */ #define HCD_FLAG_DEAD 6 /* controller has died? */ #define HCD_FLAG_INTF_AUTHORIZED 7 /* authorize interfaces? */ +#define HCD_FLAG_DEFER_RH_REGISTER 8 /* Defer roothub registration */ /* The flags can be tested using these macros; they are likely to * be slightly faster than test_bit(). @@ -134,6 +135,7 @@ struct usb_hcd { #define HCD_WAKEUP_PENDING(hcd) ((hcd)->flags & (1U << HCD_FLAG_WAKEUP_PENDING)) #define HCD_RH_RUNNING(hcd) ((hcd)->flags & (1U << HCD_FLAG_RH_RUNNING)) #define HCD_DEAD(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEAD)) +#define HCD_DEFER_RH_REGISTER(hcd) ((hcd)->flags & (1U << HCD_FLAG_DEFER_RH_REGISTER)) /* * Specifies if interfaces are authorized by default @@ -299,7 +301,7 @@ struct hc_driver { * (optional) these hooks allow an HCD to override the default DMA * mapping and unmapping routines. In general, they shouldn't be * necessary unless the host controller has special DMA requirements, - * such as alignment contraints. If these are not specified, the + * such as alignment constraints. If these are not specified, the * general usb_hcd_(un)?map_urb_for_dma functions will be used instead * (and it may be a good idea to call these functions in your HCD * implementation) @@ -409,7 +411,10 @@ struct hc_driver { int (*find_raw_port_number)(struct usb_hcd *, int); /* Call for power on/off the port if necessary */ int (*port_power)(struct usb_hcd *hcd, int portnum, bool enable); - + /* Call for SINGLE_STEP_SET_FEATURE Test for USB2 EH certification */ +#define EHSET_TEST_SINGLE_STEP_SET_FEATURE 0x06 + int (*submit_single_step_set_feature)(struct usb_hcd *, + struct urb *, int); }; static inline int hcd_giveback_urb_in_bh(struct usb_hcd *hcd) @@ -474,6 +479,14 @@ int usb_hcd_setup_local_mem(struct usb_hcd *hcd, phys_addr_t phys_addr, struct platform_device; extern void usb_hcd_platform_shutdown(struct platform_device *dev); +#ifdef CONFIG_USB_HCD_TEST_MODE +extern int ehset_single_step_set_feature(struct usb_hcd *hcd, int port); +#else +static inline int ehset_single_step_set_feature(struct usb_hcd *hcd, int port) +{ + return 0; +} +#endif /* CONFIG_USB_HCD_TEST_MODE */ #ifdef CONFIG_USB_PCI struct pci_dev; diff --git a/include/linux/usb/isp1760.h b/include/linux/usb/isp1760.h deleted file mode 100644 index b75ded28db81..000000000000 --- a/include/linux/usb/isp1760.h +++ /dev/null @@ -1,19 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * board initialization should put one of these into dev->platform_data - * and place the isp1760 onto platform_bus named "isp1760-hcd". - */ - -#ifndef __LINUX_USB_ISP1760_H -#define __LINUX_USB_ISP1760_H - -struct isp1760_platform_data { - unsigned is_isp1761:1; /* Chip is ISP1761 */ - unsigned bus_width_16:1; /* 16/32-bit data bus width */ - unsigned port1_otg:1; /* Port 1 supports OTG */ - unsigned analog_oc:1; /* Analog overcurrent */ - unsigned dack_polarity_high:1; /* DACK active high */ - unsigned dreq_polarity_high:1; /* DREQ active high */ -}; - -#endif /* __LINUX_USB_ISP1760_H */ diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h index e78eb577d0fa..784659d4dc99 100644 --- a/include/linux/usb/otg-fsm.h +++ b/include/linux/usb/otg-fsm.h @@ -98,7 +98,7 @@ enum otg_fsm_timer { * @b_bus_req: TRUE during the time that the Application running on the * B-device wants to use the bus * - * Auxilary inputs (OTG v1.3 only. Obsolete now.) + * Auxiliary inputs (OTG v1.3 only. Obsolete now.) * @a_sess_vld: TRUE if the A-device detects that VBUS is above VA_SESS_VLD * @b_bus_suspend: TRUE when the A-device detects that the B-device has put * the bus into suspend @@ -153,7 +153,7 @@ struct otg_fsm { int a_bus_req; int b_bus_req; - /* Auxilary inputs */ + /* Auxiliary inputs */ int a_sess_vld; int b_bus_resume; int b_bus_suspend; @@ -177,7 +177,7 @@ struct otg_fsm { int a_bus_req_inf; int a_clr_err_inf; int b_bus_req_inf; - /* Auxilary informative variables */ + /* Auxiliary informative variables */ int a_suspend_req_inf; /* Timeout indicator for timers */ @@ -196,6 +196,7 @@ struct otg_fsm { struct mutex lock; u8 *host_req_flag; struct delayed_work hnp_polling_work; + bool hnp_work_inited; bool state_changed; }; diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h index 69f1b6328532..6475f880be37 100644 --- a/include/linux/usb/otg.h +++ b/include/linux/usb/otg.h @@ -125,8 +125,9 @@ enum usb_dr_mode { * @dev: Pointer to the given device * * The function gets phy interface string from property 'dr_mode', - * and returns the correspondig enum usb_dr_mode + * and returns the corresponding enum usb_dr_mode */ extern enum usb_dr_mode usb_get_dr_mode(struct device *dev); +extern enum usb_dr_mode usb_get_role_switch_default_mode(struct device *dev); #endif /* __LINUX_USB_OTG_H */ diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 5e4c497f54d6..eeb7c2157c72 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -32,7 +32,7 @@ #define USB_QUIRK_DELAY_INIT BIT(6) /* - * For high speed and super speed interupt endpoints, the USB 2.0 and + * For high speed and super speed interrupt endpoints, the USB 2.0 and * USB 3.0 spec require the interval in microframes * (1 microframe = 125 microseconds) to be calculated as * interval = 2 ^ (bInterval-1). diff --git a/include/linux/usb/role.h b/include/linux/usb/role.h index 0164fed31b06..031f148ab373 100644 --- a/include/linux/usb/role.h +++ b/include/linux/usb/role.h @@ -65,6 +65,7 @@ void usb_role_switch_unregister(struct usb_role_switch *sw); void usb_role_switch_set_drvdata(struct usb_role_switch *sw, void *data); void *usb_role_switch_get_drvdata(struct usb_role_switch *sw); +const char *usb_role_string(enum usb_role role); #else static inline int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role) @@ -109,6 +110,11 @@ static inline void *usb_role_switch_get_drvdata(struct usb_role_switch *sw) return NULL; } +static inline const char *usb_role_string(enum usb_role role) +{ + return "unknown"; +} + #endif #endif /* __LINUX_USB_ROLE_H */ diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h index 8c63fa9bfc74..16ea5a4cc586 100644 --- a/include/linux/usb/serial.h +++ b/include/linux/usb/serial.h @@ -276,7 +276,7 @@ struct usb_serial_driver { int (*write)(struct tty_struct *tty, struct usb_serial_port *port, const unsigned char *buf, int count); /* Called only by the tty layer */ - int (*write_room)(struct tty_struct *tty); + unsigned int (*write_room)(struct tty_struct *tty); int (*ioctl)(struct tty_struct *tty, unsigned int cmd, unsigned long arg); void (*get_serial)(struct tty_struct *tty, struct serial_struct *ss); @@ -284,7 +284,7 @@ struct usb_serial_driver { void (*set_termios)(struct tty_struct *tty, struct usb_serial_port *port, struct ktermios *old); void (*break_ctl)(struct tty_struct *tty, int break_state); - int (*chars_in_buffer)(struct tty_struct *tty); + unsigned int (*chars_in_buffer)(struct tty_struct *tty); void (*wait_until_sent)(struct tty_struct *tty, long timeout); bool (*tx_empty)(struct usb_serial_port *port); void (*throttle)(struct tty_struct *tty); @@ -347,8 +347,8 @@ int usb_serial_generic_write(struct tty_struct *tty, struct usb_serial_port *por const unsigned char *buf, int count); void usb_serial_generic_close(struct usb_serial_port *port); int usb_serial_generic_resume(struct usb_serial *serial); -int usb_serial_generic_write_room(struct tty_struct *tty); -int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); +unsigned int usb_serial_generic_write_room(struct tty_struct *tty); +unsigned int usb_serial_generic_chars_in_buffer(struct tty_struct *tty); void usb_serial_generic_wait_until_sent(struct tty_struct *tty, long timeout); void usb_serial_generic_read_bulk_callback(struct urb *urb); void usb_serial_generic_write_bulk_callback(struct urb *urb); @@ -395,7 +395,7 @@ static inline void usb_serial_debug_data(struct device *dev, } /* - * Macro for reporting errors in write path to avoid inifinite loop + * Macro for reporting errors in write path to avoid infinite loop * when port is used as a console. */ #define dev_err_console(usport, fmt, ...) \ diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index 42fcfbe10590..bffc8d3e14ad 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -66,6 +66,8 @@ enum tcpm_transmit_type { * For example, some tcpcs may include BC1.2 charger detection * and use that in this case. * @set_cc: Called to set value of CC pins + * @apply_rc: Optional; Needed to move TCPCI based chipset to APPLY_RC state + * as stated by the TCPCI specification. * @get_cc: Called to read current CC pin values * @set_polarity: * Called to set polarity @@ -120,6 +122,8 @@ struct tcpc_dev { int (*get_vbus)(struct tcpc_dev *dev); int (*get_current_limit)(struct tcpc_dev *dev); int (*set_cc)(struct tcpc_dev *dev, enum typec_cc_status cc); + int (*apply_rc)(struct tcpc_dev *dev, enum typec_cc_status cc, + enum typec_cc_polarity polarity); int (*get_cc)(struct tcpc_dev *dev, enum typec_cc_status *cc1, enum typec_cc_status *cc2); int (*set_polarity)(struct tcpc_dev *dev, diff --git a/include/linux/usb/typec_dp.h b/include/linux/usb/typec_dp.h index fc4c7edb2e8a..cfb916cccd31 100644 --- a/include/linux/usb/typec_dp.h +++ b/include/linux/usb/typec_dp.h @@ -97,7 +97,7 @@ enum { #define DP_CONF_PIN_ASSIGNEMENT_SHIFT 8 #define DP_CONF_PIN_ASSIGNEMENT_MASK GENMASK(15, 8) -/* Helper for setting/getting the pin assignement value to the configuration */ +/* Helper for setting/getting the pin assignment value to the configuration */ #define DP_CONF_SET_PIN_ASSIGN(_a_) ((_a_) << 8) #define DP_CONF_GET_PIN_ASSIGN(_conf_) (((_conf_) & GENMASK(15, 8)) >> 8) diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index 1d08dbbcfe32..33a4240e6a6f 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -54,9 +54,15 @@ enum ucount_type { UCOUNT_FANOTIFY_GROUPS, UCOUNT_FANOTIFY_MARKS, #endif + UCOUNT_RLIMIT_NPROC, + UCOUNT_RLIMIT_MSGQUEUE, + UCOUNT_RLIMIT_SIGPENDING, + UCOUNT_RLIMIT_MEMLOCK, UCOUNT_COUNTS, }; +#define MAX_PER_NAMESPACE_UCOUNTS UCOUNT_RLIMIT_NPROC + struct user_namespace { struct uid_gid_map uid_map; struct uid_gid_map gid_map; @@ -92,23 +98,44 @@ struct user_namespace { struct ctl_table_header *sysctls; #endif struct ucounts *ucounts; - int ucount_max[UCOUNT_COUNTS]; + long ucount_max[UCOUNT_COUNTS]; } __randomize_layout; struct ucounts { struct hlist_node node; struct user_namespace *ns; kuid_t uid; - int count; - atomic_t ucount[UCOUNT_COUNTS]; + atomic_t count; + atomic_long_t ucount[UCOUNT_COUNTS]; }; extern struct user_namespace init_user_ns; +extern struct ucounts init_ucounts; bool setup_userns_sysctls(struct user_namespace *ns); void retire_userns_sysctls(struct user_namespace *ns); struct ucounts *inc_ucount(struct user_namespace *ns, kuid_t uid, enum ucount_type type); void dec_ucount(struct ucounts *ucounts, enum ucount_type type); +struct ucounts *alloc_ucounts(struct user_namespace *ns, kuid_t uid); +struct ucounts * __must_check get_ucounts(struct ucounts *ucounts); +void put_ucounts(struct ucounts *ucounts); + +static inline long get_ucounts_value(struct ucounts *ucounts, enum ucount_type type) +{ + return atomic_long_read(&ucounts->ucount[type]); +} + +long inc_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v); +bool dec_rlimit_ucounts(struct ucounts *ucounts, enum ucount_type type, long v); +long inc_rlimit_get_ucounts(struct ucounts *ucounts, enum ucount_type type); +void dec_rlimit_put_ucounts(struct ucounts *ucounts, enum ucount_type type); +bool is_ucounts_overlimit(struct ucounts *ucounts, enum ucount_type type, unsigned long max); + +static inline void set_rlimit_ucount_max(struct user_namespace *ns, + enum ucount_type type, unsigned long max) +{ + ns->ucount_max[type] = max <= LONG_MAX ? max : LONG_MAX; +} #ifdef CONFIG_USER_NS diff --git a/include/linux/userfaultfd_k.h b/include/linux/userfaultfd_k.h index 794d1538b8ba..33cea484d1ad 100644 --- a/include/linux/userfaultfd_k.h +++ b/include/linux/userfaultfd_k.h @@ -53,18 +53,23 @@ enum mcopy_atomic_mode { MCOPY_ATOMIC_CONTINUE, }; +extern int mfill_atomic_install_pte(struct mm_struct *dst_mm, pmd_t *dst_pmd, + struct vm_area_struct *dst_vma, + unsigned long dst_addr, struct page *page, + bool newly_allocated, bool wp_copy); + extern ssize_t mcopy_atomic(struct mm_struct *dst_mm, unsigned long dst_start, unsigned long src_start, unsigned long len, - bool *mmap_changing, __u64 mode); + atomic_t *mmap_changing, __u64 mode); extern ssize_t mfill_zeropage(struct mm_struct *dst_mm, unsigned long dst_start, unsigned long len, - bool *mmap_changing); + atomic_t *mmap_changing); extern ssize_t mcopy_continue(struct mm_struct *dst_mm, unsigned long dst_start, - unsigned long len, bool *mmap_changing); + unsigned long len, atomic_t *mmap_changing); extern int mwriteprotect_range(struct mm_struct *dst_mm, unsigned long start, unsigned long len, - bool enable_wp, bool *mmap_changing); + bool enable_wp, atomic_t *mmap_changing); /* mm helpers */ static inline bool is_mergeable_vm_userfaultfd_ctx(struct vm_area_struct *vma, diff --git a/include/linux/vdpa.h b/include/linux/vdpa.h index f311d227aa1b..3972ab765de1 100644 --- a/include/linux/vdpa.h +++ b/include/linux/vdpa.h @@ -28,13 +28,34 @@ struct vdpa_notification_area { }; /** - * struct vdpa_vq_state - vDPA vq_state definition + * struct vdpa_vq_state_split - vDPA split virtqueue state * @avail_index: available index */ -struct vdpa_vq_state { +struct vdpa_vq_state_split { u16 avail_index; }; +/** + * struct vdpa_vq_state_packed - vDPA packed virtqueue state + * @last_avail_counter: last driver ring wrap counter observed by device + * @last_avail_idx: device available index + * @last_used_counter: device ring wrap counter + * @last_used_idx: used index + */ +struct vdpa_vq_state_packed { + u16 last_avail_counter:1; + u16 last_avail_idx:15; + u16 last_used_counter:1; + u16 last_used_idx:15; +}; + +struct vdpa_vq_state { + union { + struct vdpa_vq_state_split split; + struct vdpa_vq_state_packed packed; + }; +}; + struct vdpa_mgmt_dev; /** @@ -44,6 +65,7 @@ struct vdpa_mgmt_dev; * @config: the configuration ops for this device. * @index: device index * @features_valid: were features initialized? for legacy guests + * @use_va: indicate whether virtual address must be used by this device * @nvqs: maximum number of supported virtqueues * @mdev: management device pointer; caller must setup when registering device as part * of dev_add() mgmtdev ops callback before invoking _vdpa_register_device(). @@ -54,6 +76,7 @@ struct vdpa_device { const struct vdpa_config_ops *config; unsigned int index; bool features_valid; + bool use_va; int nvqs; struct vdpa_mgmt_dev *mdev; }; @@ -69,6 +92,16 @@ struct vdpa_iova_range { }; /** + * Corresponding file area for device memory mapping + * @file: vma->vm_file for the mapping + * @offset: mapping offset in the vm_file + */ +struct vdpa_map_file { + struct file *file; + u64 offset; +}; + +/** * struct vdpa_config_ops - operations for configuring a vDPA device. * Note: vDPA device drivers are required to implement all of the * operations unless it is mentioned to be optional in the following @@ -110,7 +143,7 @@ struct vdpa_iova_range { * @vdev: vdpa device * @idx: virtqueue index * @state: pointer to returned state (last_avail_idx) - * @get_vq_notification: Get the notification area for a virtqueue + * @get_vq_notification: Get the notification area for a virtqueue * @vdev: vdpa device * @idx: virtqueue index * Returns the notifcation area @@ -150,6 +183,9 @@ struct vdpa_iova_range { * @set_status: Set the device status * @vdev: vdpa device * @status: virtio device status + * @reset: Reset device + * @vdev: vdpa device + * Returns integer: success (0) or error (< 0) * @get_config_size: Get the size of the configuration space * @vdev: vdpa device * Returns size_t: configuration size @@ -234,6 +270,7 @@ struct vdpa_config_ops { u32 (*get_vendor_id)(struct vdpa_device *vdev); u8 (*get_status)(struct vdpa_device *vdev); void (*set_status)(struct vdpa_device *vdev, u8 status); + int (*reset)(struct vdpa_device *vdev); size_t (*get_config_size)(struct vdpa_device *vdev); void (*get_config)(struct vdpa_device *vdev, unsigned int offset, void *buf, unsigned int len); @@ -245,7 +282,7 @@ struct vdpa_config_ops { /* DMA ops */ int (*set_map)(struct vdpa_device *vdev, struct vhost_iotlb *iotlb); int (*dma_map)(struct vdpa_device *vdev, u64 iova, u64 size, - u64 pa, u32 perm); + u64 pa, u32 perm, void *opaque); int (*dma_unmap)(struct vdpa_device *vdev, u64 iova, u64 size); /* Free device resources */ @@ -254,14 +291,27 @@ struct vdpa_config_ops { struct vdpa_device *__vdpa_alloc_device(struct device *parent, const struct vdpa_config_ops *config, - size_t size, const char *name); + size_t size, const char *name, + bool use_va); -#define vdpa_alloc_device(dev_struct, member, parent, config, name) \ +/** + * vdpa_alloc_device - allocate and initilaize a vDPA device + * + * @dev_struct: the type of the parent structure + * @member: the name of struct vdpa_device within the @dev_struct + * @parent: the parent device + * @config: the bus operations that is supported by this device + * @name: name of the vdpa device + * @use_va: indicate whether virtual address must be used by this device + * + * Return allocated data structure or ERR_PTR upon error + */ +#define vdpa_alloc_device(dev_struct, member, parent, config, name, use_va) \ container_of(__vdpa_alloc_device( \ parent, config, \ sizeof(dev_struct) + \ BUILD_BUG_ON_ZERO(offsetof( \ - dev_struct, member)), name), \ + dev_struct, member)), name, use_va), \ dev_struct, member) int vdpa_register_device(struct vdpa_device *vdev, int nvqs); @@ -316,27 +366,27 @@ static inline struct device *vdpa_get_dma_dev(struct vdpa_device *vdev) return vdev->dma_dev; } -static inline void vdpa_reset(struct vdpa_device *vdev) +static inline int vdpa_reset(struct vdpa_device *vdev) { - const struct vdpa_config_ops *ops = vdev->config; + const struct vdpa_config_ops *ops = vdev->config; vdev->features_valid = false; - ops->set_status(vdev, 0); + return ops->reset(vdev); } static inline int vdpa_set_features(struct vdpa_device *vdev, u64 features) { - const struct vdpa_config_ops *ops = vdev->config; + const struct vdpa_config_ops *ops = vdev->config; vdev->features_valid = true; - return ops->set_features(vdev, features); + return ops->set_features(vdev, features); } - -static inline void vdpa_get_config(struct vdpa_device *vdev, unsigned offset, - void *buf, unsigned int len) +static inline void vdpa_get_config(struct vdpa_device *vdev, + unsigned int offset, void *buf, + unsigned int len) { - const struct vdpa_config_ops *ops = vdev->config; + const struct vdpa_config_ops *ops = vdev->config; /* * Config accesses aren't supposed to trigger before features are set. diff --git a/include/linux/vfio.h b/include/linux/vfio.h index a2c5b30e1763..b53a9557884a 100644 --- a/include/linux/vfio.h +++ b/include/linux/vfio.h @@ -15,13 +15,28 @@ #include <linux/poll.h> #include <uapi/linux/vfio.h> +/* + * VFIO devices can be placed in a set, this allows all devices to share this + * structure and the VFIO core will provide a lock that is held around + * open_device()/close_device() for all devices in the set. + */ +struct vfio_device_set { + void *set_id; + struct mutex lock; + struct list_head device_list; + unsigned int device_count; +}; + struct vfio_device { struct device *dev; const struct vfio_device_ops *ops; struct vfio_group *group; + struct vfio_device_set *dev_set; + struct list_head dev_set_list; /* Members below here are private, not for driver use */ refcount_t refcount; + unsigned int open_count; struct completion comp; struct list_head group_next; }; @@ -29,8 +44,8 @@ struct vfio_device { /** * struct vfio_device_ops - VFIO bus driver device callbacks * - * @open: Called when userspace creates new file descriptor for device - * @release: Called when userspace releases file descriptor for device + * @open_device: Called when the first file descriptor is opened for this device + * @close_device: Opposite of open_device * @read: Perform read(2) on device file descriptor * @write: Perform write(2) on device file descriptor * @ioctl: Perform ioctl(2) on device file descriptor, supporting VFIO_DEVICE_* @@ -43,8 +58,8 @@ struct vfio_device { */ struct vfio_device_ops { char *name; - int (*open)(struct vfio_device *vdev); - void (*release)(struct vfio_device *vdev); + int (*open_device)(struct vfio_device *vdev); + void (*close_device)(struct vfio_device *vdev); ssize_t (*read)(struct vfio_device *vdev, char __user *buf, size_t count, loff_t *ppos); ssize_t (*write)(struct vfio_device *vdev, const char __user *buf, @@ -61,11 +76,14 @@ extern void vfio_iommu_group_put(struct iommu_group *group, struct device *dev); void vfio_init_group_dev(struct vfio_device *device, struct device *dev, const struct vfio_device_ops *ops); +void vfio_uninit_group_dev(struct vfio_device *device); int vfio_register_group_dev(struct vfio_device *device); void vfio_unregister_group_dev(struct vfio_device *device); extern struct vfio_device *vfio_device_get_from_dev(struct device *dev); extern void vfio_device_put(struct vfio_device *device); +int vfio_assign_device_set(struct vfio_device *device, void *set_id); + /* events for the backend driver notify callback */ enum vfio_iommu_notify_type { VFIO_IOMMU_CONTAINER_CLOSE = 0, diff --git a/include/linux/vfio_pci_core.h b/include/linux/vfio_pci_core.h new file mode 100644 index 000000000000..ef9a44b6cf5d --- /dev/null +++ b/include/linux/vfio_pci_core.h @@ -0,0 +1,239 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (C) 2012 Red Hat, Inc. All rights reserved. + * Author: Alex Williamson <alex.williamson@redhat.com> + * + * Derived from original vfio: + * Copyright 2010 Cisco Systems, Inc. All rights reserved. + * Author: Tom Lyon, pugs@cisco.com + */ + +#include <linux/mutex.h> +#include <linux/pci.h> +#include <linux/vfio.h> +#include <linux/irqbypass.h> +#include <linux/types.h> +#include <linux/uuid.h> +#include <linux/notifier.h> + +#ifndef VFIO_PCI_CORE_H +#define VFIO_PCI_CORE_H + +#define VFIO_PCI_OFFSET_SHIFT 40 + +#define VFIO_PCI_OFFSET_TO_INDEX(off) (off >> VFIO_PCI_OFFSET_SHIFT) +#define VFIO_PCI_INDEX_TO_OFFSET(index) ((u64)(index) << VFIO_PCI_OFFSET_SHIFT) +#define VFIO_PCI_OFFSET_MASK (((u64)(1) << VFIO_PCI_OFFSET_SHIFT) - 1) + +/* Special capability IDs predefined access */ +#define PCI_CAP_ID_INVALID 0xFF /* default raw access */ +#define PCI_CAP_ID_INVALID_VIRT 0xFE /* default virt access */ + +/* Cap maximum number of ioeventfds per device (arbitrary) */ +#define VFIO_PCI_IOEVENTFD_MAX 1000 + +struct vfio_pci_ioeventfd { + struct list_head next; + struct vfio_pci_core_device *vdev; + struct virqfd *virqfd; + void __iomem *addr; + uint64_t data; + loff_t pos; + int bar; + int count; + bool test_mem; +}; + +struct vfio_pci_irq_ctx { + struct eventfd_ctx *trigger; + struct virqfd *unmask; + struct virqfd *mask; + char *name; + bool masked; + struct irq_bypass_producer producer; +}; + +struct vfio_pci_core_device; +struct vfio_pci_region; + +struct vfio_pci_regops { + ssize_t (*rw)(struct vfio_pci_core_device *vdev, char __user *buf, + size_t count, loff_t *ppos, bool iswrite); + void (*release)(struct vfio_pci_core_device *vdev, + struct vfio_pci_region *region); + int (*mmap)(struct vfio_pci_core_device *vdev, + struct vfio_pci_region *region, + struct vm_area_struct *vma); + int (*add_capability)(struct vfio_pci_core_device *vdev, + struct vfio_pci_region *region, + struct vfio_info_cap *caps); +}; + +struct vfio_pci_region { + u32 type; + u32 subtype; + const struct vfio_pci_regops *ops; + void *data; + size_t size; + u32 flags; +}; + +struct vfio_pci_dummy_resource { + struct resource resource; + int index; + struct list_head res_next; +}; + +struct vfio_pci_vf_token { + struct mutex lock; + uuid_t uuid; + int users; +}; + +struct vfio_pci_mmap_vma { + struct vm_area_struct *vma; + struct list_head vma_next; +}; + +struct vfio_pci_core_device { + struct vfio_device vdev; + struct pci_dev *pdev; + void __iomem *barmap[PCI_STD_NUM_BARS]; + bool bar_mmap_supported[PCI_STD_NUM_BARS]; + u8 *pci_config_map; + u8 *vconfig; + struct perm_bits *msi_perm; + spinlock_t irqlock; + struct mutex igate; + struct vfio_pci_irq_ctx *ctx; + int num_ctx; + int irq_type; + int num_regions; + struct vfio_pci_region *region; + u8 msi_qmax; + u8 msix_bar; + u16 msix_size; + u32 msix_offset; + u32 rbar[7]; + bool pci_2_3; + bool virq_disabled; + bool reset_works; + bool extended_caps; + bool bardirty; + bool has_vga; + bool needs_reset; + bool nointx; + bool needs_pm_restore; + struct pci_saved_state *pci_saved_state; + struct pci_saved_state *pm_save; + int ioeventfds_nr; + struct eventfd_ctx *err_trigger; + struct eventfd_ctx *req_trigger; + struct list_head dummy_resources_list; + struct mutex ioeventfds_lock; + struct list_head ioeventfds_list; + struct vfio_pci_vf_token *vf_token; + struct notifier_block nb; + struct mutex vma_lock; + struct list_head vma_list; + struct rw_semaphore memory_lock; +}; + +#define is_intx(vdev) (vdev->irq_type == VFIO_PCI_INTX_IRQ_INDEX) +#define is_msi(vdev) (vdev->irq_type == VFIO_PCI_MSI_IRQ_INDEX) +#define is_msix(vdev) (vdev->irq_type == VFIO_PCI_MSIX_IRQ_INDEX) +#define is_irq_none(vdev) (!(is_intx(vdev) || is_msi(vdev) || is_msix(vdev))) +#define irq_is(vdev, type) (vdev->irq_type == type) + +extern void vfio_pci_intx_mask(struct vfio_pci_core_device *vdev); +extern void vfio_pci_intx_unmask(struct vfio_pci_core_device *vdev); + +extern int vfio_pci_set_irqs_ioctl(struct vfio_pci_core_device *vdev, + uint32_t flags, unsigned index, + unsigned start, unsigned count, void *data); + +extern ssize_t vfio_pci_config_rw(struct vfio_pci_core_device *vdev, + char __user *buf, size_t count, + loff_t *ppos, bool iswrite); + +extern ssize_t vfio_pci_bar_rw(struct vfio_pci_core_device *vdev, char __user *buf, + size_t count, loff_t *ppos, bool iswrite); + +extern ssize_t vfio_pci_vga_rw(struct vfio_pci_core_device *vdev, char __user *buf, + size_t count, loff_t *ppos, bool iswrite); + +extern long vfio_pci_ioeventfd(struct vfio_pci_core_device *vdev, loff_t offset, + uint64_t data, int count, int fd); + +extern int vfio_pci_init_perm_bits(void); +extern void vfio_pci_uninit_perm_bits(void); + +extern int vfio_config_init(struct vfio_pci_core_device *vdev); +extern void vfio_config_free(struct vfio_pci_core_device *vdev); + +extern int vfio_pci_register_dev_region(struct vfio_pci_core_device *vdev, + unsigned int type, unsigned int subtype, + const struct vfio_pci_regops *ops, + size_t size, u32 flags, void *data); + +extern int vfio_pci_set_power_state(struct vfio_pci_core_device *vdev, + pci_power_t state); + +extern bool __vfio_pci_memory_enabled(struct vfio_pci_core_device *vdev); +extern void vfio_pci_zap_and_down_write_memory_lock(struct vfio_pci_core_device + *vdev); +extern u16 vfio_pci_memory_lock_and_enable(struct vfio_pci_core_device *vdev); +extern void vfio_pci_memory_unlock_and_restore(struct vfio_pci_core_device *vdev, + u16 cmd); + +#ifdef CONFIG_VFIO_PCI_IGD +extern int vfio_pci_igd_init(struct vfio_pci_core_device *vdev); +#else +static inline int vfio_pci_igd_init(struct vfio_pci_core_device *vdev) +{ + return -ENODEV; +} +#endif + +#ifdef CONFIG_S390 +extern int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev, + struct vfio_info_cap *caps); +#else +static inline int vfio_pci_info_zdev_add_caps(struct vfio_pci_core_device *vdev, + struct vfio_info_cap *caps) +{ + return -ENODEV; +} +#endif + +/* Will be exported for vfio pci drivers usage */ +void vfio_pci_core_set_params(bool nointxmask, bool is_disable_vga, + bool is_disable_idle_d3); +void vfio_pci_core_close_device(struct vfio_device *core_vdev); +void vfio_pci_core_init_device(struct vfio_pci_core_device *vdev, + struct pci_dev *pdev, + const struct vfio_device_ops *vfio_pci_ops); +int vfio_pci_core_register_device(struct vfio_pci_core_device *vdev); +void vfio_pci_core_uninit_device(struct vfio_pci_core_device *vdev); +void vfio_pci_core_unregister_device(struct vfio_pci_core_device *vdev); +int vfio_pci_core_sriov_configure(struct pci_dev *pdev, int nr_virtfn); +extern const struct pci_error_handlers vfio_pci_core_err_handlers; +long vfio_pci_core_ioctl(struct vfio_device *core_vdev, unsigned int cmd, + unsigned long arg); +ssize_t vfio_pci_core_read(struct vfio_device *core_vdev, char __user *buf, + size_t count, loff_t *ppos); +ssize_t vfio_pci_core_write(struct vfio_device *core_vdev, const char __user *buf, + size_t count, loff_t *ppos); +int vfio_pci_core_mmap(struct vfio_device *core_vdev, struct vm_area_struct *vma); +void vfio_pci_core_request(struct vfio_device *core_vdev, unsigned int count); +int vfio_pci_core_match(struct vfio_device *core_vdev, char *buf); +int vfio_pci_core_enable(struct vfio_pci_core_device *vdev); +void vfio_pci_core_disable(struct vfio_pci_core_device *vdev); +void vfio_pci_core_finish_enable(struct vfio_pci_core_device *vdev); + +static inline bool vfio_pci_is_vga(struct pci_dev *pdev) +{ + return (pdev->class >> 8) == PCI_CLASS_DISPLAY_VGA; +} + +#endif /* VFIO_PCI_CORE_H */ diff --git a/include/linux/vgaarb.h b/include/linux/vgaarb.h index dc6ddce92066..b4b9137f9792 100644 --- a/include/linux/vgaarb.h +++ b/include/linux/vgaarb.h @@ -33,6 +33,8 @@ #include <video/vga.h> +struct pci_dev; + /* Legacy VGA regions */ #define VGA_RSRC_NONE 0x00 #define VGA_RSRC_LEGACY_IO 0x01 @@ -42,42 +44,45 @@ #define VGA_RSRC_NORMAL_IO 0x04 #define VGA_RSRC_NORMAL_MEM 0x08 -/* Passing that instead of a pci_dev to use the system "default" - * device, that is the one used by vgacon. Archs will probably - * have to provide their own vga_default_device(); - */ -#define VGA_DEFAULT_DEVICE (NULL) - -struct pci_dev; - -/* For use by clients */ - -/** - * vga_set_legacy_decoding - * - * @pdev: pci device of the VGA card - * @decodes: bit mask of what legacy regions the card decodes - * - * Indicates to the arbiter if the card decodes legacy VGA IOs, - * legacy VGA Memory, both, or none. All cards default to both, - * the card driver (fbdev for example) should tell the arbiter - * if it has disabled legacy decoding, so the card can be left - * out of the arbitration process (and can be safe to take - * interrupts at any time. - */ -#if defined(CONFIG_VGA_ARB) -extern void vga_set_legacy_decoding(struct pci_dev *pdev, - unsigned int decodes); -#else +#ifdef CONFIG_VGA_ARB +void vga_set_legacy_decoding(struct pci_dev *pdev, unsigned int decodes); +int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible); +void vga_put(struct pci_dev *pdev, unsigned int rsrc); +struct pci_dev *vga_default_device(void); +void vga_set_default_device(struct pci_dev *pdev); +int vga_remove_vgacon(struct pci_dev *pdev); +int vga_client_register(struct pci_dev *pdev, + unsigned int (*set_decode)(struct pci_dev *pdev, bool state)); +#else /* CONFIG_VGA_ARB */ static inline void vga_set_legacy_decoding(struct pci_dev *pdev, - unsigned int decodes) { }; -#endif - -#if defined(CONFIG_VGA_ARB) -extern int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible); -#else -static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc, int interruptible) { return 0; } -#endif + unsigned int decodes) +{ +}; +static inline int vga_get(struct pci_dev *pdev, unsigned int rsrc, + int interruptible) +{ + return 0; +} +static inline void vga_put(struct pci_dev *pdev, unsigned int rsrc) +{ +} +static inline struct pci_dev *vga_default_device(void) +{ + return NULL; +} +static inline void vga_set_default_device(struct pci_dev *pdev) +{ +} +static inline int vga_remove_vgacon(struct pci_dev *pdev) +{ + return 0; +} +static inline int vga_client_register(struct pci_dev *pdev, + unsigned int (*set_decode)(struct pci_dev *pdev, bool state)) +{ + return 0; +} +#endif /* CONFIG_VGA_ARB */ /** * vga_get_interruptible @@ -109,48 +114,9 @@ static inline int vga_get_uninterruptible(struct pci_dev *pdev, return vga_get(pdev, rsrc, 0); } -#if defined(CONFIG_VGA_ARB) -extern void vga_put(struct pci_dev *pdev, unsigned int rsrc); -#else -static inline void vga_put(struct pci_dev *pdev, unsigned int rsrc) +static inline void vga_client_unregister(struct pci_dev *pdev) { + vga_client_register(pdev, NULL); } -#endif - - -#ifdef CONFIG_VGA_ARB -extern struct pci_dev *vga_default_device(void); -extern void vga_set_default_device(struct pci_dev *pdev); -extern int vga_remove_vgacon(struct pci_dev *pdev); -#else -static inline struct pci_dev *vga_default_device(void) { return NULL; } -static inline void vga_set_default_device(struct pci_dev *pdev) { } -static inline int vga_remove_vgacon(struct pci_dev *pdev) { return 0; } -#endif - -/* - * Architectures should define this if they have several - * independent PCI domains that can afford concurrent VGA - * decoding - */ -#ifndef __ARCH_HAS_VGA_CONFLICT -static inline int vga_conflicts(struct pci_dev *p1, struct pci_dev *p2) -{ - return 1; -} -#endif - -#if defined(CONFIG_VGA_ARB) -int vga_client_register(struct pci_dev *pdev, void *cookie, - void (*irq_set_state)(void *cookie, bool state), - unsigned int (*set_vga_decode)(void *cookie, bool state)); -#else -static inline int vga_client_register(struct pci_dev *pdev, void *cookie, - void (*irq_set_state)(void *cookie, bool state), - unsigned int (*set_vga_decode)(void *cookie, bool state)) -{ - return 0; -} -#endif #endif /* LINUX_VGA_H */ diff --git a/include/linux/vhost_iotlb.h b/include/linux/vhost_iotlb.h index 6b09b786a762..2d0e2f52f938 100644 --- a/include/linux/vhost_iotlb.h +++ b/include/linux/vhost_iotlb.h @@ -17,6 +17,7 @@ struct vhost_iotlb_map { u32 perm; u32 flags_padding; u64 __subtree_last; + void *opaque; }; #define VHOST_IOTLB_FLAG_RETIRE 0x1 @@ -29,6 +30,8 @@ struct vhost_iotlb { unsigned int flags; }; +int vhost_iotlb_add_range_ctx(struct vhost_iotlb *iotlb, u64 start, u64 last, + u64 addr, unsigned int perm, void *opaque); int vhost_iotlb_add_range(struct vhost_iotlb *iotlb, u64 start, u64 last, u64 addr, unsigned int perm); void vhost_iotlb_del_range(struct vhost_iotlb *iotlb, u64 start, u64 last); diff --git a/include/linux/virtio.h b/include/linux/virtio.h index b1894e0323fa..41edbc01ffa4 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -110,6 +110,7 @@ struct virtio_device { bool config_enabled; bool config_change_pending; spinlock_t config_lock; + spinlock_t vqs_list_lock; /* Protects VQs list access */ struct device dev; struct virtio_device_id id; const struct virtio_config_ops *config; diff --git a/include/linux/virtio_pci_modern.h b/include/linux/virtio_pci_modern.h index 6a95b58fd0f4..eb2bd9b4077d 100644 --- a/include/linux/virtio_pci_modern.h +++ b/include/linux/virtio_pci_modern.h @@ -79,6 +79,7 @@ static inline void vp_iowrite64_twopart(u64 val, } u64 vp_modern_get_features(struct virtio_pci_modern_device *mdev); +u64 vp_modern_get_driver_features(struct virtio_pci_modern_device *mdev); void vp_modern_set_features(struct virtio_pci_modern_device *mdev, u64 features); u32 vp_modern_generation(struct virtio_pci_modern_device *mdev); diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index dc636b727179..35d7eedb5e8e 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -36,6 +36,7 @@ struct virtio_vsock_sock { u32 rx_bytes; u32 buf_alloc; struct list_head rx_queue; + u32 msg_count; }; struct virtio_vsock_pkt { @@ -80,8 +81,17 @@ virtio_transport_dgram_dequeue(struct vsock_sock *vsk, struct msghdr *msg, size_t len, int flags); +int +virtio_transport_seqpacket_enqueue(struct vsock_sock *vsk, + struct msghdr *msg, + size_t len); +ssize_t +virtio_transport_seqpacket_dequeue(struct vsock_sock *vsk, + struct msghdr *msg, + int flags); s64 virtio_transport_stream_has_data(struct vsock_sock *vsk); s64 virtio_transport_stream_has_space(struct vsock_sock *vsk); +u32 virtio_transport_seqpacket_has_data(struct vsock_sock *vsk); int virtio_transport_do_socket_init(struct vsock_sock *vsk, struct vsock_sock *psk); diff --git a/include/linux/vm_event_item.h b/include/linux/vm_event_item.h index ae0dd1948c2b..a185cc75ff52 100644 --- a/include/linux/vm_event_item.h +++ b/include/linux/vm_event_item.h @@ -33,6 +33,8 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, PGREUSE, PGSTEAL_KSWAPD, PGSTEAL_DIRECT, + PGDEMOTE_KSWAPD, + PGDEMOTE_DIRECT, PGSCAN_KSWAPD, PGSCAN_DIRECT, PGSCAN_DIRECT_THROTTLE, diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index bfaaf0b6fa76..671d402c3778 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -29,7 +29,7 @@ struct notifier_block; /* in notifier.h */ #define VM_NO_HUGE_VMAP 0x00000400 /* force PAGE_SIZE pte mapping */ /* - * VM_KASAN is used slighly differently depending on CONFIG_KASAN_VMALLOC. + * VM_KASAN is used slightly differently depending on CONFIG_KASAN_VMALLOC. * * If IS_ENABLED(CONFIG_KASAN_VMALLOC), VM_KASAN is set on a vm_struct after * shadow memory has been mapped. It's used to handle allocation errors so that @@ -104,6 +104,21 @@ static inline bool arch_vmap_pmd_supported(pgprot_t prot) } #endif +#ifndef arch_vmap_pte_range_map_size +static inline unsigned long arch_vmap_pte_range_map_size(unsigned long addr, unsigned long end, + u64 pfn, unsigned int max_page_shift) +{ + return PAGE_SIZE; +} +#endif + +#ifndef arch_vmap_pte_supported_shift +static inline int arch_vmap_pte_supported_shift(unsigned long size) +{ + return PAGE_SHIFT; +} +#endif + /* * Highlevel APIs for driver use */ @@ -210,9 +225,6 @@ static inline bool is_vm_area_hugepages(const void *addr) } #ifdef CONFIG_MMU -int vmap_range(unsigned long addr, unsigned long end, - phys_addr_t phys_addr, pgprot_t prot, - unsigned int max_page_shift); void vunmap_range(unsigned long addr, unsigned long end); static inline void set_vm_flush_reset_perms(void *addr) { @@ -232,7 +244,7 @@ static inline void set_vm_flush_reset_perms(void *addr) extern long vread(char *buf, char *addr, unsigned long count); /* - * Internals. Dont't use.. + * Internals. Don't use.. */ extern struct list_head vmap_area_list; extern __init void vm_area_add_early(struct vm_struct *vm); diff --git a/include/linux/vmpressure.h b/include/linux/vmpressure.h index 6d28bc433c1c..6a2f51ebbfd3 100644 --- a/include/linux/vmpressure.h +++ b/include/linux/vmpressure.h @@ -37,7 +37,7 @@ extern void vmpressure_prio(gfp_t gfp, struct mem_cgroup *memcg, int prio); extern void vmpressure_init(struct vmpressure *vmpr); extern void vmpressure_cleanup(struct vmpressure *vmpr); extern struct vmpressure *memcg_to_vmpressure(struct mem_cgroup *memcg); -extern struct cgroup_subsys_state *vmpressure_to_css(struct vmpressure *vmpr); +extern struct mem_cgroup *vmpressure_to_memcg(struct vmpressure *vmpr); extern int vmpressure_register_event(struct mem_cgroup *memcg, struct eventfd_ctx *eventfd, const char *args); diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index 3299cd69e4ca..d6a6cf53b127 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -138,34 +138,27 @@ static inline void vm_events_fold_cpu(int cpu) * Zone and node-based page accounting with per cpu differentials. */ extern atomic_long_t vm_zone_stat[NR_VM_ZONE_STAT_ITEMS]; -extern atomic_long_t vm_numa_stat[NR_VM_NUMA_STAT_ITEMS]; extern atomic_long_t vm_node_stat[NR_VM_NODE_STAT_ITEMS]; +extern atomic_long_t vm_numa_event[NR_VM_NUMA_EVENT_ITEMS]; #ifdef CONFIG_NUMA -static inline void zone_numa_state_add(long x, struct zone *zone, - enum numa_stat_item item) +static inline void zone_numa_event_add(long x, struct zone *zone, + enum numa_stat_item item) { - atomic_long_add(x, &zone->vm_numa_stat[item]); - atomic_long_add(x, &vm_numa_stat[item]); + atomic_long_add(x, &zone->vm_numa_event[item]); + atomic_long_add(x, &vm_numa_event[item]); } -static inline unsigned long global_numa_state(enum numa_stat_item item) +static inline unsigned long zone_numa_event_state(struct zone *zone, + enum numa_stat_item item) { - long x = atomic_long_read(&vm_numa_stat[item]); - - return x; + return atomic_long_read(&zone->vm_numa_event[item]); } -static inline unsigned long zone_numa_state_snapshot(struct zone *zone, - enum numa_stat_item item) +static inline unsigned long +global_numa_event_state(enum numa_stat_item item) { - long x = atomic_long_read(&zone->vm_numa_stat[item]); - int cpu; - - for_each_online_cpu(cpu) - x += per_cpu_ptr(zone->pageset, cpu)->vm_numa_stat_diff[item]; - - return x; + return atomic_long_read(&vm_numa_event[item]); } #endif /* CONFIG_NUMA */ @@ -236,7 +229,7 @@ static inline unsigned long zone_page_state_snapshot(struct zone *zone, #ifdef CONFIG_SMP int cpu; for_each_online_cpu(cpu) - x += per_cpu_ptr(zone->pageset, cpu)->vm_stat_diff[item]; + x += per_cpu_ptr(zone->per_cpu_zonestats, cpu)->vm_stat_diff[item]; if (x < 0) x = 0; @@ -245,18 +238,38 @@ static inline unsigned long zone_page_state_snapshot(struct zone *zone, } #ifdef CONFIG_NUMA -extern void __inc_numa_state(struct zone *zone, enum numa_stat_item item); +/* See __count_vm_event comment on why raw_cpu_inc is used. */ +static inline void +__count_numa_event(struct zone *zone, enum numa_stat_item item) +{ + struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats; + + raw_cpu_inc(pzstats->vm_numa_event[item]); +} + +static inline void +__count_numa_events(struct zone *zone, enum numa_stat_item item, long delta) +{ + struct per_cpu_zonestat __percpu *pzstats = zone->per_cpu_zonestats; + + raw_cpu_add(pzstats->vm_numa_event[item], delta); +} + extern unsigned long sum_zone_node_page_state(int node, enum zone_stat_item item); -extern unsigned long sum_zone_numa_state(int node, enum numa_stat_item item); +extern unsigned long sum_zone_numa_event_state(int node, enum numa_stat_item item); extern unsigned long node_page_state(struct pglist_data *pgdat, enum node_stat_item item); extern unsigned long node_page_state_pages(struct pglist_data *pgdat, enum node_stat_item item); +extern void fold_vm_numa_events(void); #else #define sum_zone_node_page_state(node, item) global_zone_page_state(item) #define node_page_state(node, item) global_node_page_state(item) #define node_page_state_pages(node, item) global_node_page_state_pages(item) +static inline void fold_vm_numa_events(void) +{ +} #endif /* CONFIG_NUMA */ #ifdef CONFIG_SMP @@ -291,7 +304,7 @@ struct ctl_table; int vmstat_refresh(struct ctl_table *, int write, void *buffer, size_t *lenp, loff_t *ppos); -void drain_zonestat(struct zone *zone, struct per_cpu_pageset *); +void drain_zonestat(struct zone *zone, struct per_cpu_zonestat *); int calculate_pressure_threshold(struct zone *zone); int calculate_normal_threshold(struct zone *zone); @@ -399,7 +412,7 @@ static inline void cpu_vm_stats_fold(int cpu) { } static inline void quiet_vmstat(void) { } static inline void drain_zonestat(struct zone *zone, - struct per_cpu_pageset *pset) { } + struct per_cpu_zonestat *pzstats) { } #endif /* CONFIG_SMP */ static inline void __mod_zone_freepage_state(struct zone *zone, int nr_pages, @@ -428,7 +441,7 @@ static inline const char *numa_stat_name(enum numa_stat_item item) static inline const char *node_stat_name(enum node_stat_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + - NR_VM_NUMA_STAT_ITEMS + + NR_VM_NUMA_EVENT_ITEMS + item]; } @@ -440,7 +453,7 @@ static inline const char *lru_list_name(enum lru_list lru) static inline const char *writeback_stat_name(enum writeback_stat_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + - NR_VM_NUMA_STAT_ITEMS + + NR_VM_NUMA_EVENT_ITEMS + NR_VM_NODE_STAT_ITEMS + item]; } @@ -449,7 +462,7 @@ static inline const char *writeback_stat_name(enum writeback_stat_item item) static inline const char *vm_event_name(enum vm_event_item item) { return vmstat_text[NR_VM_ZONE_STAT_ITEMS + - NR_VM_NUMA_STAT_ITEMS + + NR_VM_NUMA_EVENT_ITEMS + NR_VM_NODE_STAT_ITEMS + NR_VM_WRITEBACK_STAT_ITEMS + item]; diff --git a/include/linux/vringh.h b/include/linux/vringh.h index 84db7b8f912f..212892cf9822 100644 --- a/include/linux/vringh.h +++ b/include/linux/vringh.h @@ -14,6 +14,7 @@ #include <linux/virtio_byteorder.h> #include <linux/uio.h> #include <linux/slab.h> +#include <linux/spinlock.h> #if IS_REACHABLE(CONFIG_VHOST_IOTLB) #include <linux/dma-direction.h> #include <linux/vhost_iotlb.h> diff --git a/include/linux/vt_kern.h b/include/linux/vt_kern.h index 94e7a315479c..b5ab452fca5b 100644 --- a/include/linux/vt_kern.h +++ b/include/linux/vt_kern.h @@ -148,27 +148,26 @@ void hide_boot_cursor(bool hide); /* keyboard provided interfaces */ int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm); -int vt_do_kdskbmode(int console, unsigned int arg); -int vt_do_kdskbmeta(int console, unsigned int arg); +int vt_do_kdskbmode(unsigned int console, unsigned int arg); +int vt_do_kdskbmeta(unsigned int console, unsigned int arg); int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, int perm); int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, - int console); + unsigned int console); int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm); -int vt_do_kdskled(int console, int cmd, unsigned long arg, int perm); -int vt_do_kdgkbmode(int console); -int vt_do_kdgkbmeta(int console); -void vt_reset_unicode(int console); +int vt_do_kdskled(unsigned int console, int cmd, unsigned long arg, int perm); +int vt_do_kdgkbmode(unsigned int console); +int vt_do_kdgkbmeta(unsigned int console); +void vt_reset_unicode(unsigned int console); int vt_get_shift_state(void); -void vt_reset_keyboard(int console); -int vt_get_leds(int console, int flag); -int vt_get_kbd_mode_bit(int console, int bit); -void vt_set_kbd_mode_bit(int console, int bit); -void vt_clr_kbd_mode_bit(int console, int bit); -void vt_set_led_state(int console, int leds); -void vt_set_led_state(int console, int leds); -void vt_kbd_con_start(int console); -void vt_kbd_con_stop(int console); +void vt_reset_keyboard(unsigned int console); +int vt_get_leds(unsigned int console, int flag); +int vt_get_kbd_mode_bit(unsigned int console, int bit); +void vt_set_kbd_mode_bit(unsigned int console, int bit); +void vt_clr_kbd_mode_bit(unsigned int console, int bit); +void vt_set_led_state(unsigned int console, int leds); +void vt_kbd_con_start(unsigned int console); +void vt_kbd_con_stop(unsigned int console); void vc_scrolldelta_helper(struct vc_data *c, int lines, unsigned int rolled_over, void *_base, unsigned int size); diff --git a/include/linux/wait.h b/include/linux/wait.h index fe10e8570a52..93dab0e9580f 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -56,7 +56,7 @@ struct task_struct; #define __WAIT_QUEUE_HEAD_INITIALIZER(name) { \ .lock = __SPIN_LOCK_UNLOCKED(name.lock), \ - .head = { &(name).head, &(name).head } } + .head = LIST_HEAD_INIT(name.head) } #define DECLARE_WAIT_QUEUE_HEAD(name) \ struct wait_queue_head name = __WAIT_QUEUE_HEAD_INITIALIZER(name) @@ -1136,7 +1136,7 @@ do { \ * Waitqueues which are removed from the waitqueue_head at wakeup time */ void prepare_to_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state); -void prepare_to_wait_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state); +bool prepare_to_wait_exclusive(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state); long prepare_to_wait_event(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry, int state); void finish_wait(struct wait_queue_head *wq_head, struct wait_queue_entry *wq_entry); long wait_woken(struct wait_queue_entry *wq_entry, unsigned mode, long timeout); diff --git a/include/linux/watchdog.h b/include/linux/watchdog.h index 9b19e6bb68b5..99660197a36c 100644 --- a/include/linux/watchdog.h +++ b/include/linux/watchdog.h @@ -107,6 +107,7 @@ struct watchdog_device { unsigned int max_hw_heartbeat_ms; struct notifier_block reboot_nb; struct notifier_block restart_nb; + struct notifier_block pm_nb; void *driver_data; struct watchdog_core_data *wd_data; unsigned long status; @@ -116,6 +117,7 @@ struct watchdog_device { #define WDOG_STOP_ON_REBOOT 2 /* Should be stopped on reboot */ #define WDOG_HW_RUNNING 3 /* True if HW watchdog running */ #define WDOG_STOP_ON_UNREGISTER 4 /* Should be stopped on unregister */ +#define WDOG_NO_PING_ON_SUSPEND 5 /* Ping worker should be stopped on suspend */ struct list_head deferred; }; @@ -156,6 +158,12 @@ static inline void watchdog_stop_on_unregister(struct watchdog_device *wdd) set_bit(WDOG_STOP_ON_UNREGISTER, &wdd->status); } +/* Use the following function to stop the wdog ping worker when suspending */ +static inline void watchdog_stop_ping_on_suspend(struct watchdog_device *wdd) +{ + set_bit(WDOG_NO_PING_ON_SUSPEND, &wdd->status); +} + /* Use the following function to check if a timeout value is invalid */ static inline bool watchdog_timeout_invalid(struct watchdog_device *wdd, unsigned int t) { @@ -209,6 +217,8 @@ extern int watchdog_init_timeout(struct watchdog_device *wdd, unsigned int timeout_parm, struct device *dev); extern int watchdog_register_device(struct watchdog_device *); extern void watchdog_unregister_device(struct watchdog_device *); +int watchdog_dev_suspend(struct watchdog_device *wdd); +int watchdog_dev_resume(struct watchdog_device *wdd); int watchdog_set_last_hw_keepalive(struct watchdog_device *, unsigned int); diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h index d15a7730ee18..74d3c1efd9bb 100644 --- a/include/linux/workqueue.h +++ b/include/linux/workqueue.h @@ -29,7 +29,7 @@ void delayed_work_timer_fn(struct timer_list *t); enum { WORK_STRUCT_PENDING_BIT = 0, /* work item is pending execution */ - WORK_STRUCT_DELAYED_BIT = 1, /* work item is delayed */ + WORK_STRUCT_INACTIVE_BIT= 1, /* work item is inactive */ WORK_STRUCT_PWQ_BIT = 2, /* data points to pwq */ WORK_STRUCT_LINKED_BIT = 3, /* next work is linked to this one */ #ifdef CONFIG_DEBUG_OBJECTS_WORK @@ -42,7 +42,7 @@ enum { WORK_STRUCT_COLOR_BITS = 4, WORK_STRUCT_PENDING = 1 << WORK_STRUCT_PENDING_BIT, - WORK_STRUCT_DELAYED = 1 << WORK_STRUCT_DELAYED_BIT, + WORK_STRUCT_INACTIVE = 1 << WORK_STRUCT_INACTIVE_BIT, WORK_STRUCT_PWQ = 1 << WORK_STRUCT_PWQ_BIT, WORK_STRUCT_LINKED = 1 << WORK_STRUCT_LINKED_BIT, #ifdef CONFIG_DEBUG_OBJECTS_WORK @@ -51,19 +51,14 @@ enum { WORK_STRUCT_STATIC = 0, #endif - /* - * The last color is no color used for works which don't - * participate in workqueue flushing. - */ - WORK_NR_COLORS = (1 << WORK_STRUCT_COLOR_BITS) - 1, - WORK_NO_COLOR = WORK_NR_COLORS, + WORK_NR_COLORS = (1 << WORK_STRUCT_COLOR_BITS), /* not bound to any CPU, prefer the local CPU */ WORK_CPU_UNBOUND = NR_CPUS, /* * Reserve 8 bits off of pwq pointer w/ debugobjects turned off. - * This makes pwqs aligned to 256 bytes and allows 15 workqueue + * This makes pwqs aligned to 256 bytes and allows 16 workqueue * flush colors. */ WORK_STRUCT_FLAG_BITS = WORK_STRUCT_COLOR_SHIFT + @@ -324,7 +319,7 @@ enum { * to execute and tries to keep idle cores idle to conserve power; * however, for example, a per-cpu work item scheduled from an * interrupt handler on an idle CPU will force the scheduler to - * excute the work item on that CPU breaking the idleness, which in + * execute the work item on that CPU breaking the idleness, which in * turn may lead to more scheduling choices which are sub-optimal * in terms of power consumption. * @@ -404,9 +399,8 @@ extern struct workqueue_struct *system_freezable_power_efficient_wq; * RETURNS: * Pointer to the allocated workqueue on success, %NULL on failure. */ -struct workqueue_struct *alloc_workqueue(const char *fmt, - unsigned int flags, - int max_active, ...); +__printf(1, 4) struct workqueue_struct * +alloc_workqueue(const char *fmt, unsigned int flags, int max_active, ...); /** * alloc_ordered_workqueue - allocate an ordered workqueue diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 8e5c5bb16e2d..d1f65adf6a26 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -218,9 +218,10 @@ void wbc_attach_and_unlock_inode(struct writeback_control *wbc, void wbc_detach_inode(struct writeback_control *wbc); void wbc_account_cgroup_owner(struct writeback_control *wbc, struct page *page, size_t bytes); -int cgroup_writeback_by_id(u64 bdi_id, int memcg_id, unsigned long nr_pages, +int cgroup_writeback_by_id(u64 bdi_id, int memcg_id, enum wb_reason reason, struct wb_completion *done); void cgroup_writeback_umount(void); +bool cleanup_offline_cgwb(struct bdi_writeback *wb); /** * inode_attach_wb - associate an inode with its wb @@ -335,14 +336,9 @@ static inline void cgroup_writeback_umount(void) /* * mm/page-writeback.c */ -#ifdef CONFIG_BLOCK void laptop_io_completion(struct backing_dev_info *info); void laptop_sync_completion(void); -void laptop_mode_sync(struct work_struct *work); void laptop_mode_timer_fn(struct timer_list *t); -#else -static inline void laptop_sync_completion(void) { } -#endif bool node_dirty_ok(struct pglist_data *pgdat); int wb_domain_init(struct wb_domain *dom, gfp_t gfp); #ifdef CONFIG_CGROUP_WRITEBACK @@ -360,7 +356,6 @@ extern unsigned int dirty_writeback_interval; extern unsigned int dirty_expire_interval; extern unsigned int dirtytime_expire_interval; extern int vm_highmem_is_dirtyable; -extern int block_dump; extern int laptop_mode; int dirty_background_ratio_handler(struct ctl_table *table, int write, @@ -379,7 +374,7 @@ int dirty_writeback_centisecs_handler(struct ctl_table *table, int write, void global_dirty_limits(unsigned long *pbackground, unsigned long *pdirty); unsigned long wb_calc_thresh(struct bdi_writeback *wb, unsigned long thresh); -void wb_update_bandwidth(struct bdi_writeback *wb, unsigned long start_time); +void wb_update_bandwidth(struct bdi_writeback *wb); void balance_dirty_pages_ratelimited(struct address_space *mapping); bool wb_over_bg_thresh(struct bdi_writeback *wb); diff --git a/include/linux/ww_mutex.h b/include/linux/ww_mutex.h index b77f39f319ad..29db736af86d 100644 --- a/include/linux/ww_mutex.h +++ b/include/linux/ww_mutex.h @@ -18,6 +18,24 @@ #define __LINUX_WW_MUTEX_H #include <linux/mutex.h> +#include <linux/rtmutex.h> + +#if defined(CONFIG_DEBUG_MUTEXES) || \ + (defined(CONFIG_PREEMPT_RT) && defined(CONFIG_DEBUG_RT_MUTEXES)) +#define DEBUG_WW_MUTEXES +#endif + +#ifndef CONFIG_PREEMPT_RT +#define WW_MUTEX_BASE mutex +#define ww_mutex_base_init(l,n,k) __mutex_init(l,n,k) +#define ww_mutex_base_trylock(l) mutex_trylock(l) +#define ww_mutex_base_is_locked(b) mutex_is_locked((b)) +#else +#define WW_MUTEX_BASE rt_mutex +#define ww_mutex_base_init(l,n,k) __rt_mutex_init(l,n,k) +#define ww_mutex_base_trylock(l) rt_mutex_trylock(l) +#define ww_mutex_base_is_locked(b) rt_mutex_base_is_locked(&(b)->rtmutex) +#endif struct ww_class { atomic_long_t stamp; @@ -28,16 +46,24 @@ struct ww_class { unsigned int is_wait_die; }; +struct ww_mutex { + struct WW_MUTEX_BASE base; + struct ww_acquire_ctx *ctx; +#ifdef DEBUG_WW_MUTEXES + struct ww_class *ww_class; +#endif +}; + struct ww_acquire_ctx { struct task_struct *task; unsigned long stamp; unsigned int acquired; unsigned short wounded; unsigned short is_wait_die; -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES unsigned int done_acquire; struct ww_class *ww_class; - struct ww_mutex *contending_lock; + void *contending_lock; #endif #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; @@ -74,9 +100,9 @@ struct ww_acquire_ctx { static inline void ww_mutex_init(struct ww_mutex *lock, struct ww_class *ww_class) { - __mutex_init(&lock->base, ww_class->mutex_name, &ww_class->mutex_key); + ww_mutex_base_init(&lock->base, ww_class->mutex_name, &ww_class->mutex_key); lock->ctx = NULL; -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES lock->ww_class = ww_class; #endif } @@ -113,7 +139,7 @@ static inline void ww_acquire_init(struct ww_acquire_ctx *ctx, ctx->acquired = 0; ctx->wounded = false; ctx->is_wait_die = ww_class->is_wait_die; -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES ctx->ww_class = ww_class; ctx->done_acquire = 0; ctx->contending_lock = NULL; @@ -143,7 +169,7 @@ static inline void ww_acquire_init(struct ww_acquire_ctx *ctx, */ static inline void ww_acquire_done(struct ww_acquire_ctx *ctx) { -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES lockdep_assert_held(ctx); DEBUG_LOCKS_WARN_ON(ctx->done_acquire); @@ -163,7 +189,7 @@ static inline void ww_acquire_fini(struct ww_acquire_ctx *ctx) #ifdef CONFIG_DEBUG_LOCK_ALLOC mutex_release(&ctx->dep_map, _THIS_IP_); #endif -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES DEBUG_LOCKS_WARN_ON(ctx->acquired); if (!IS_ENABLED(CONFIG_PROVE_LOCKING)) /* @@ -269,7 +295,7 @@ static inline void ww_mutex_lock_slow(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) { int ret; -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES DEBUG_LOCKS_WARN_ON(!ctx->contending_lock); #endif ret = ww_mutex_lock(lock, ctx); @@ -305,7 +331,7 @@ static inline int __must_check ww_mutex_lock_slow_interruptible(struct ww_mutex *lock, struct ww_acquire_ctx *ctx) { -#ifdef CONFIG_DEBUG_MUTEXES +#ifdef DEBUG_WW_MUTEXES DEBUG_LOCKS_WARN_ON(!ctx->contending_lock); #endif return ww_mutex_lock_interruptible(lock, ctx); @@ -322,7 +348,7 @@ extern void ww_mutex_unlock(struct ww_mutex *lock); */ static inline int __must_check ww_mutex_trylock(struct ww_mutex *lock) { - return mutex_trylock(&lock->base); + return ww_mutex_base_trylock(&lock->base); } /*** @@ -335,7 +361,9 @@ static inline int __must_check ww_mutex_trylock(struct ww_mutex *lock) */ static inline void ww_mutex_destroy(struct ww_mutex *lock) { +#ifndef CONFIG_PREEMPT_RT mutex_destroy(&lock->base); +#endif } /** @@ -346,7 +374,7 @@ static inline void ww_mutex_destroy(struct ww_mutex *lock) */ static inline bool ww_mutex_is_locked(struct ww_mutex *lock) { - return mutex_is_locked(&lock->base); + return ww_mutex_base_is_locked(&lock->base); } #endif diff --git a/include/linux/wwan.h b/include/linux/wwan.h index aa05a253dcf9..9fac819f92e3 100644 --- a/include/linux/wwan.h +++ b/include/linux/wwan.h @@ -6,7 +6,10 @@ #include <linux/device.h> #include <linux/kernel.h> +#include <linux/poll.h> #include <linux/skbuff.h> +#include <linux/netlink.h> +#include <linux/netdevice.h> /** * enum wwan_port_type - WWAN port types @@ -15,7 +18,10 @@ * @WWAN_PORT_QMI: Qcom modem/MSM interface for modem control * @WWAN_PORT_QCDM: Qcom Modem diagnostic interface * @WWAN_PORT_FIREHOSE: XML based command protocol - * @WWAN_PORT_MAX: Number of supported port types + * + * @WWAN_PORT_MAX: Highest supported port types + * @WWAN_PORT_UNKNOWN: Special value to indicate an unknown port type + * @__WWAN_PORT_MAX: Internal use */ enum wwan_port_type { WWAN_PORT_AT, @@ -23,7 +29,12 @@ enum wwan_port_type { WWAN_PORT_QMI, WWAN_PORT_QCDM, WWAN_PORT_FIREHOSE, - WWAN_PORT_MAX, + + /* Add new port types above this line */ + + __WWAN_PORT_MAX, + WWAN_PORT_MAX = __WWAN_PORT_MAX - 1, + WWAN_PORT_UNKNOWN, }; struct wwan_port; @@ -31,15 +42,23 @@ struct wwan_port; /** struct wwan_port_ops - The WWAN port operations * @start: The routine for starting the WWAN port device. * @stop: The routine for stopping the WWAN port device. - * @tx: The routine that sends WWAN port protocol data to the device. + * @tx: Non-blocking routine that sends WWAN port protocol data to the device. + * @tx_blocking: Optional blocking routine that sends WWAN port protocol data + * to the device. + * @tx_poll: Optional routine that sets additional TX poll flags. * * The wwan_port_ops structure contains a list of low-level operations - * that control a WWAN port device. All functions are mandatory. + * that control a WWAN port device. All functions are mandatory unless specified. */ struct wwan_port_ops { int (*start)(struct wwan_port *port); void (*stop)(struct wwan_port *port); int (*tx)(struct wwan_port *port, struct sk_buff *skb); + + /* Optional operations */ + int (*tx_blocking)(struct wwan_port *port, struct sk_buff *skb); + __poll_t (*tx_poll)(struct wwan_port *port, struct file *filp, + poll_table *wait); }; /** @@ -108,4 +127,48 @@ void wwan_port_txon(struct wwan_port *port); */ void *wwan_port_get_drvdata(struct wwan_port *port); +/** + * struct wwan_netdev_priv - WWAN core network device private data + * @link_id: WWAN device data link id + * @drv_priv: driver private data area, size is determined in &wwan_ops + */ +struct wwan_netdev_priv { + u32 link_id; + + /* must be last */ + u8 drv_priv[] __aligned(sizeof(void *)); +}; + +static inline void *wwan_netdev_drvpriv(struct net_device *dev) +{ + return ((struct wwan_netdev_priv *)netdev_priv(dev))->drv_priv; +} + +/* + * Used to indicate that the WWAN core should not create a default network + * link. + */ +#define WWAN_NO_DEFAULT_LINK U32_MAX + +/** + * struct wwan_ops - WWAN device ops + * @priv_size: size of private netdev data area + * @setup: set up a new netdev + * @newlink: register the new netdev + * @dellink: remove the given netdev + */ +struct wwan_ops { + unsigned int priv_size; + void (*setup)(struct net_device *dev); + int (*newlink)(void *ctxt, struct net_device *dev, + u32 if_id, struct netlink_ext_ack *extack); + void (*dellink)(void *ctxt, struct net_device *dev, + struct list_head *head); +}; + +int wwan_register_ops(struct device *parent, const struct wwan_ops *ops, + void *ctxt, u32 def_link_id); + +void wwan_unregister_ops(struct device *parent); + #endif /* __WWAN_H */ diff --git a/include/linux/zbud.h b/include/linux/zbud.h deleted file mode 100644 index b1eaf6e31735..000000000000 --- a/include/linux/zbud.h +++ /dev/null @@ -1,23 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _ZBUD_H_ -#define _ZBUD_H_ - -#include <linux/types.h> - -struct zbud_pool; - -struct zbud_ops { - int (*evict)(struct zbud_pool *pool, unsigned long handle); -}; - -struct zbud_pool *zbud_create_pool(gfp_t gfp, const struct zbud_ops *ops); -void zbud_destroy_pool(struct zbud_pool *pool); -int zbud_alloc(struct zbud_pool *pool, size_t size, gfp_t gfp, - unsigned long *handle); -void zbud_free(struct zbud_pool *pool, unsigned long handle); -int zbud_reclaim_page(struct zbud_pool *pool, unsigned int retries); -void *zbud_map(struct zbud_pool *pool, unsigned long handle); -void zbud_unmap(struct zbud_pool *pool, unsigned long handle); -u64 zbud_get_pool_size(struct zbud_pool *pool); - -#endif /* _ZBUD_H_ */ diff --git a/include/linux/zorro.h b/include/linux/zorro.h index e2e4de188d84..db7416ed6057 100644 --- a/include/linux/zorro.h +++ b/include/linux/zorro.h @@ -29,7 +29,6 @@ struct zorro_dev { struct ExpansionRom rom; zorro_id id; - struct zorro_driver *driver; /* which driver has allocated this device */ struct device dev; /* Generic device interface */ u16 slotaddr; u16 slotsize; |