diff options
Diffstat (limited to 'include')
219 files changed, 4465 insertions, 1440 deletions
diff --git a/include/acpi/acnames.h b/include/acpi/acnames.h index b421584033a5..d8dd3bf51ca7 100644 --- a/include/acpi/acnames.h +++ b/include/acpi/acnames.h @@ -54,6 +54,7 @@ #define METHOD_NAME__CLS "_CLS" #define METHOD_NAME__CRS "_CRS" #define METHOD_NAME__DDN "_DDN" +#define METHOD_NAME__DMA "_DMA" #define METHOD_NAME__HID "_HID" #define METHOD_NAME__INI "_INI" #define METHOD_NAME__PLD "_PLD" diff --git a/include/acpi/acpi.h b/include/acpi/acpi.h index ca036620703c..0887d7cbb7e1 100644 --- a/include/acpi/acpi.h +++ b/include/acpi/acpi.h @@ -58,10 +58,10 @@ #include <acpi/actypes.h> /* ACPICA data types and structures */ #include <acpi/acexcep.h> /* ACPICA exceptions */ #include <acpi/actbl.h> /* ACPI table definitions */ -#include <acpi/acoutput.h> /* Error output and Debug macros */ #include <acpi/acrestyp.h> /* Resource Descriptor structs */ +#include <acpi/platform/acenvex.h> /* Extra environment-specific items */ +#include <acpi/acoutput.h> /* Error output and Debug macros */ #include <acpi/acpiosxf.h> /* OSL interfaces (ACPICA-to-OS) */ #include <acpi/acpixf.h> /* ACPI core subsystem external interfaces */ -#include <acpi/platform/acenvex.h> /* Extra environment-specific items */ #endif /* __ACPI_H__ */ diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 68bc6be447fd..dedf9d789166 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -316,7 +316,6 @@ struct acpi_device_perf { struct acpi_device_wakeup_flags { u8 valid:1; /* Can successfully enable wakeup? */ u8 notifier_present:1; /* Wake-up notify handler has been installed */ - u8 enabled:1; /* Enabled for wakeup */ }; struct acpi_device_wakeup_context { @@ -333,6 +332,7 @@ struct acpi_device_wakeup { struct acpi_device_wakeup_context context; struct wakeup_source *ws; int prepare_count; + int enable_count; }; struct acpi_device_physical_node { @@ -395,35 +395,55 @@ struct acpi_data_node { struct completion kobj_done; }; -static inline bool is_acpi_node(struct fwnode_handle *fwnode) -{ - return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI - || fwnode->type == FWNODE_ACPI_DATA); -} +extern const struct fwnode_operations acpi_device_fwnode_ops; +extern const struct fwnode_operations acpi_data_fwnode_ops; +extern const struct fwnode_operations acpi_static_fwnode_ops; -static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) +static inline bool is_acpi_node(const struct fwnode_handle *fwnode) { - return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI; + return !IS_ERR_OR_NULL(fwnode) && + (fwnode->ops == &acpi_device_fwnode_ops + || fwnode->ops == &acpi_data_fwnode_ops); } -static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) +static inline bool is_acpi_device_node(const struct fwnode_handle *fwnode) { - return is_acpi_device_node(fwnode) ? - container_of(fwnode, struct acpi_device, fwnode) : NULL; + return !IS_ERR_OR_NULL(fwnode) && + fwnode->ops == &acpi_device_fwnode_ops; } -static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) +#define to_acpi_device_node(__fwnode) \ + ({ \ + typeof(__fwnode) __to_acpi_device_node_fwnode = __fwnode; \ + \ + is_acpi_device_node(__to_acpi_device_node_fwnode) ? \ + container_of(__to_acpi_device_node_fwnode, \ + struct acpi_device, fwnode) : \ + NULL; \ + }) + +static inline bool is_acpi_data_node(const struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_ACPI_DATA; + return !IS_ERR_OR_NULL(fwnode) && fwnode->ops == &acpi_data_fwnode_ops; } -static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) +#define to_acpi_data_node(__fwnode) \ + ({ \ + typeof(__fwnode) __to_acpi_data_node_fwnode = __fwnode; \ + \ + is_acpi_data_node(__to_acpi_data_node_fwnode) ? \ + container_of(__to_acpi_data_node_fwnode, \ + struct acpi_data_node, fwnode) : \ + NULL; \ + }) + +static inline bool is_acpi_static_node(const struct fwnode_handle *fwnode) { - return is_acpi_data_node(fwnode) ? - container_of(fwnode, struct acpi_data_node, fwnode) : NULL; + return !IS_ERR_OR_NULL(fwnode) && + fwnode->ops == &acpi_static_fwnode_ops; } -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 is_acpi_data_node(fwnode) ? @@ -578,6 +598,8 @@ struct acpi_pci_root { bool acpi_dma_supported(struct acpi_device *adev); enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev); +int acpi_dma_get_range(struct device *dev, u64 *dma_addr, u64 *offset, + u64 *size); int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr); void acpi_dma_deconfigure(struct device *dev); @@ -606,6 +628,7 @@ acpi_status acpi_remove_pm_notifier(struct acpi_device *adev); bool acpi_pm_device_can_wakeup(struct device *dev); int acpi_pm_device_sleep_state(struct device *, int *, int); int acpi_pm_set_device_wakeup(struct device *dev, bool enable); +int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable); #else static inline void acpi_pm_wakeup_event(struct device *dev) { @@ -636,6 +659,10 @@ static inline int acpi_pm_set_device_wakeup(struct device *dev, bool enable) { return -ENODEV; } +static inline int acpi_pm_set_bridge_wakeup(struct device *dev, bool enable) +{ + return -ENODEV; +} #endif #ifdef CONFIG_ACPI_SLEEP diff --git a/include/acpi/acpixf.h b/include/acpi/acpixf.h index a59c44c3edd8..53c5e2f7bcec 100644 --- a/include/acpi/acpixf.h +++ b/include/acpi/acpixf.h @@ -46,7 +46,7 @@ /* Current ACPICA subsystem version in YYYYMMDD format */ -#define ACPI_CA_VERSION 0x20170531 +#define ACPI_CA_VERSION 0x20170728 #include <acpi/acconfig.h> #include <acpi/actypes.h> @@ -160,13 +160,14 @@ ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE); ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE); /* - * Whether or not to verify the table checksum before installation. Set - * this to TRUE to verify the table checksum before install it to the table - * manager. Note that enabling this option causes errors to happen in some - * OSPMs during early initialization stages. Default behavior is to do such - * verification. + * Whether or not to validate (map) an entire table to verify + * checksum/duplication in early stage before install. Set this to TRUE to + * allow early table validation before install it to the table manager. + * Note that enabling this option causes errors to happen in some OSPMs + * during early initialization stages. Default behavior is to allow such + * validation. */ -ACPI_INIT_GLOBAL(u8, acpi_gbl_verify_table_checksum, TRUE); +ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_table_validation, TRUE); /* * Optionally enable output from the AML Debug Object. diff --git a/include/acpi/acrestyp.h b/include/acpi/acrestyp.h index 4f7f39a02820..343dbdcef20c 100644 --- a/include/acpi/acrestyp.h +++ b/include/acpi/acrestyp.h @@ -377,13 +377,6 @@ struct acpi_resource_generic_register { u64 address; }; -/* Generic Address Space Access Sizes */ -#define ACPI_ACCESS_SIZE_UNDEFINED 0 -#define ACPI_ACCESS_SIZE_BYTE 1 -#define ACPI_ACCESS_SIZE_WORD 2 -#define ACPI_ACCESS_SIZE_DWORD 3 -#define ACPI_ACCESS_SIZE_QWORD 4 - struct acpi_resource_gpio { u8 revision_id; u8 connection_type; diff --git a/include/acpi/actbl.h b/include/acpi/actbl.h index bdc55c0da19c..89509b86cb54 100644 --- a/include/acpi/actbl.h +++ b/include/acpi/actbl.h @@ -394,6 +394,7 @@ struct acpi_table_desc { #define ACPI_TABLE_ORIGIN_INTERNAL_PHYSICAL (1) /* Physical address, internally mapped */ #define ACPI_TABLE_ORIGIN_INTERNAL_VIRTUAL (2) /* Virtual address, internallly allocated */ #define ACPI_TABLE_ORIGIN_MASK (3) +#define ACPI_TABLE_IS_VERIFIED (4) #define ACPI_TABLE_IS_LOADED (8) /* diff --git a/include/acpi/actbl2.h b/include/acpi/actbl2.h index 707dda74c272..686b6f8c09dc 100644 --- a/include/acpi/actbl2.h +++ b/include/acpi/actbl2.h @@ -76,6 +76,7 @@ #define ACPI_SIG_MCHI "MCHI" /* Management Controller Host Interface table */ #define ACPI_SIG_MSDM "MSDM" /* Microsoft Data Management Table */ #define ACPI_SIG_MTMR "MTMR" /* MID Timer table */ +#define ACPI_SIG_SDEI "SDEI" /* Software Delegated Exception Interface Table */ #define ACPI_SIG_SLIC "SLIC" /* Software Licensing Description Table */ #define ACPI_SIG_SPCR "SPCR" /* Serial Port Console Redirection table */ #define ACPI_SIG_SPMI "SPMI" /* Server Platform Management Interface table */ @@ -664,7 +665,7 @@ struct acpi_ibft_target { * IORT - IO Remapping Table * * Conforms to "IO Remapping Table System Software on ARM Platforms", - * Document number: ARM DEN 0049B, October 2015 + * Document number: ARM DEN 0049C, May 2017 * ******************************************************************************/ @@ -779,6 +780,8 @@ struct acpi_iort_smmu { #define ACPI_IORT_SMMU_V2 0x00000001 /* Generic SMMUv2 */ #define ACPI_IORT_SMMU_CORELINK_MMU400 0x00000002 /* ARM Corelink MMU-400 */ #define ACPI_IORT_SMMU_CORELINK_MMU500 0x00000003 /* ARM Corelink MMU-500 */ +#define ACPI_IORT_SMMU_CORELINK_MMU401 0x00000004 /* ARM Corelink MMU-401 */ +#define ACPI_IORT_SMMU_CAVIUM_THUNDERX 0x00000005 /* Cavium thunder_x SMMUv2 */ /* Masks for Flags field above */ @@ -799,17 +802,27 @@ struct acpi_iort_smmu_v3 { u32 flags; u32 reserved; u64 vatos_address; - u32 model; /* O: generic SMMUv3 */ + u32 model; u32 event_gsiv; u32 pri_gsiv; u32 gerr_gsiv; u32 sync_gsiv; + u8 pxm; + u8 reserved1; + u16 reserved2; }; +/* Values for Model field above */ + +#define ACPI_IORT_SMMU_V3_GENERIC 0x00000000 /* Generic SMMUv3 */ +#define ACPI_IORT_SMMU_V3_HISILICON_HI161X 0x00000001 /* hi_silicon Hi161x SMMUv3 */ +#define ACPI_IORT_SMMU_V3_CAVIUM_CN99XX 0x00000002 /* Cavium CN99xx SMMUv3 */ + /* Masks for Flags field above */ #define ACPI_IORT_SMMU_V3_COHACC_OVERRIDE (1) #define ACPI_IORT_SMMU_V3_HTTU_OVERRIDE (1<<1) +#define ACPI_IORT_SMMU_V3_PXM_VALID (1<<3) /******************************************************************************* * @@ -1122,6 +1135,19 @@ struct acpi_mtmr_entry { /******************************************************************************* * + * SDEI - Software Delegated Exception Interface Descriptor Table + * + * Conforms to "Software Delegated Exception Interface (SDEI)" ARM DEN0054A, + * May 8th, 2017. Copyright 2017 ARM Ltd. + * + ******************************************************************************/ + +struct acpi_table_sdei { + struct acpi_table_header header; /* Common ACPI table header */ +}; + +/******************************************************************************* + * * SLIC - Software Licensing Description Table * * Conforms to "Microsoft Software Licensing Tables (SLIC and MSDM)", diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h index 2fcbaec8b368..4f077edb9b81 100644 --- a/include/acpi/actypes.h +++ b/include/acpi/actypes.h @@ -166,6 +166,7 @@ typedef u64 acpi_physical_address; #define ACPI_SIZE_MAX ACPI_UINT64_MAX #define ACPI_USE_NATIVE_DIVIDE /* Has native 64-bit integer support */ +#define ACPI_USE_NATIVE_MATH64 /* Has native 64-bit integer support */ /* * In the case of the Itanium Processor Family (IPF), the hardware does not @@ -554,6 +555,13 @@ typedef u64 acpi_integer; #define ACPI_VALIDATE_RSDP_SIG(a) (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8)) #define ACPI_MAKE_RSDP_SIG(dest) (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8)) +/* + * Algorithm to obtain access bit width. + * Can be used with access_width of struct acpi_generic_address and access_size of + * struct acpi_resource_generic_register. + */ +#define ACPI_ACCESS_BIT_WIDTH(size) (1 << ((size) + 2)) + /******************************************************************************* * * Miscellaneous constants @@ -775,7 +783,7 @@ typedef u32 acpi_event_status; * | | | | +-- Type of dispatch:to method, handler, notify, or none * | | | +----- Interrupt type: edge or level triggered * | | +------- Is a Wake GPE - * | +--------- Is GPE masked by the software GPE masking mechanism + * | +--------- Has been enabled automatically at init time * +------------ <Reserved> */ #define ACPI_GPE_DISPATCH_NONE (u8) 0x00 @@ -791,6 +799,7 @@ typedef u32 acpi_event_status; #define ACPI_GPE_XRUPT_TYPE_MASK (u8) 0x08 #define ACPI_GPE_CAN_WAKE (u8) 0x10 +#define ACPI_GPE_AUTO_ENABLED (u8) 0x20 /* * Flags for GPE and Lock interfaces diff --git a/include/acpi/apei.h b/include/acpi/apei.h index 76284bb560a6..c46694abea28 100644 --- a/include/acpi/apei.h +++ b/include/acpi/apei.h @@ -16,7 +16,13 @@ #ifdef __KERNEL__ -extern bool hest_disable; +enum hest_status { + HEST_ENABLED, + HEST_DISABLED, + HEST_NOT_FOUND, +}; + +extern int hest_disable; extern int erst_disable; #ifdef CONFIG_ACPI_APEI_GHES extern bool ghes_disable; diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h index 9f26e01186ae..9061c5c743b3 100644 --- a/include/acpi/ghes.h +++ b/include/acpi/ghes.h @@ -113,6 +113,11 @@ static inline void *acpi_hest_get_next(struct acpi_hest_generic_data *gdata) return (void *)(gdata) + acpi_hest_get_record_size(gdata); } +#define apei_estatus_for_each_section(estatus, section) \ + for (section = (struct acpi_hest_generic_data *)(estatus + 1); \ + (void *)section - (void *)(estatus + 1) < estatus->data_length; \ + section = acpi_hest_get_next(section)) + int ghes_notify_sea(void); #endif /* GHES_H */ diff --git a/include/acpi/platform/acenv.h b/include/acpi/platform/acenv.h index 912563c66948..043fd559de6e 100644 --- a/include/acpi/platform/acenv.h +++ b/include/acpi/platform/acenv.h @@ -288,6 +288,11 @@ #define ACPI_INLINE #endif +/* Use ordered initialization if compiler doesn't support designated. */ +#ifndef ACPI_STRUCT_INIT +#define ACPI_STRUCT_INIT(field, value) value +#endif + /* * Configurable calling conventions: * @@ -382,8 +387,4 @@ #define ACPI_INIT_FUNCTION #endif -#ifndef ACPI_STRUCT_INIT -#define ACPI_STRUCT_INIT(field, value) value -#endif - #endif /* __ACENV_H__ */ diff --git a/include/acpi/platform/acgcc.h b/include/acpi/platform/acgcc.h index 97a7e21cfbe0..9c8f8b79644e 100644 --- a/include/acpi/platform/acgcc.h +++ b/include/acpi/platform/acgcc.h @@ -84,4 +84,8 @@ typedef __builtin_va_list va_list; #define COMPILER_VA_MACRO 1 +/* GCC supports native multiply/shift on 32-bit platforms */ + +#define ACPI_USE_NATIVE_MATH64 + #endif /* __ACGCC_H__ */ diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h index 047f13865608..1b473efd9eb6 100644 --- a/include/acpi/platform/aclinux.h +++ b/include/acpi/platform/aclinux.h @@ -128,6 +128,7 @@ /* Host-dependent types and defines for in-kernel ACPICA */ #define ACPI_MACHINE_WIDTH BITS_PER_LONG +#define ACPI_USE_NATIVE_MATH64 #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol); #define strtoul simple_strtoul @@ -178,6 +179,9 @@ #define ACPI_MSG_BIOS_ERROR KERN_ERR "ACPI BIOS Error (bug): " #define ACPI_MSG_BIOS_WARNING KERN_WARNING "ACPI BIOS Warning (bug): " +/* + * Linux wants to use designated initializers for function pointer structs. + */ #define ACPI_STRUCT_INIT(field, value) .field = value #else /* !__KERNEL__ */ @@ -213,6 +217,7 @@ #define COMPILER_DEPENDENT_INT64 long long #define COMPILER_DEPENDENT_UINT64 unsigned long long #define ACPI_USE_NATIVE_DIVIDE +#define ACPI_USE_NATIVE_MATH64 #endif #ifndef __cdecl diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h index dad68bf46c77..8d28eb010d0d 100644 --- a/include/asm-generic/atomic64.h +++ b/include/asm-generic/atomic64.h @@ -21,6 +21,8 @@ typedef struct { extern long long atomic64_read(const atomic64_t *v); extern void atomic64_set(atomic64_t *v, long long i); +#define atomic64_set_release(v, i) atomic64_set((v), (i)) + #define ATOMIC64_OP(op) \ extern void atomic64_##op(long long a, atomic64_t *v); diff --git a/include/asm-generic/early_ioremap.h b/include/asm-generic/early_ioremap.h index 734ad4db388c..2edef8d7fa6b 100644 --- a/include/asm-generic/early_ioremap.h +++ b/include/asm-generic/early_ioremap.h @@ -13,6 +13,8 @@ extern void *early_memremap(resource_size_t phys_addr, unsigned long size); extern void *early_memremap_ro(resource_size_t phys_addr, unsigned long size); +extern void *early_memremap_prot(resource_size_t phys_addr, + unsigned long size, unsigned long prot_val); extern void early_iounmap(void __iomem *addr, unsigned long size); extern void early_memunmap(void *addr, unsigned long size); diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h index bf2d34c9d804..f0d8b1c51343 100644 --- a/include/asm-generic/futex.h +++ b/include/asm-generic/futex.h @@ -13,7 +13,7 @@ */ /** - * futex_atomic_op_inuser() - Atomic arithmetic operation with constant + * arch_futex_atomic_op_inuser() - Atomic arithmetic operation with constant * argument and comparison of the previous * futex value with another constant. * @@ -25,18 +25,11 @@ * <0 - On error */ static inline int -futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) +arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr) { - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; int oldval, ret; u32 tmp; - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - preempt_disable(); pagefault_disable(); @@ -74,17 +67,9 @@ out_pagefault_enable: pagefault_enable(); preempt_enable(); - if (ret == 0) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } + if (ret == 0) + *oval = oldval; + return ret; } @@ -126,18 +111,9 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, #else static inline int -futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) +arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr) { - int op = (encoded_op >> 28) & 7; - int cmp = (encoded_op >> 24) & 15; - int oparg = (encoded_op << 8) >> 20; - int cmparg = (encoded_op << 20) >> 20; int oldval = 0, ret; - if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) - oparg = 1 << oparg; - - if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; pagefault_disable(); @@ -153,17 +129,9 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) pagefault_enable(); - if (!ret) { - switch (cmp) { - case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; - case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; - case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; - case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; - case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; - case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; - default: ret = -ENOSYS; - } - } + if (!ret) + *oval = oldval; + return ret; } diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h index 7ef015eb3403..b4531e3b2120 100644 --- a/include/asm-generic/io.h +++ b/include/asm-generic/io.h @@ -915,6 +915,9 @@ extern void ioport_unmap(void __iomem *p); #endif /* CONFIG_GENERIC_IOMAP */ #endif /* CONFIG_HAS_IOPORT_MAP */ +/* + * Convert a virtual cached pointer to an uncached pointer + */ #ifndef xlate_dev_kmem_ptr #define xlate_dev_kmem_ptr xlate_dev_kmem_ptr static inline void *xlate_dev_kmem_ptr(void *addr) @@ -954,6 +957,14 @@ static inline void *bus_to_virt(unsigned long address) #ifndef memset_io #define memset_io memset_io +/** + * memset_io Set a range of I/O memory to a constant value + * @addr: The beginning of the I/O-memory range to set + * @val: The value to set the memory to + * @count: The number of bytes to set + * + * Set a range of I/O memory to a given value. + */ static inline void memset_io(volatile void __iomem *addr, int value, size_t size) { @@ -963,6 +974,14 @@ static inline void memset_io(volatile void __iomem *addr, int value, #ifndef memcpy_fromio #define memcpy_fromio memcpy_fromio +/** + * memcpy_fromio Copy a block of data from I/O memory + * @dst: The (RAM) destination for the copy + * @src: The (I/O memory) source for the data + * @count: The number of bytes to copy + * + * Copy a block of data from I/O memory. + */ static inline void memcpy_fromio(void *buffer, const volatile void __iomem *addr, size_t size) @@ -973,6 +992,14 @@ static inline void memcpy_fromio(void *buffer, #ifndef memcpy_toio #define memcpy_toio memcpy_toio +/** + * memcpy_toio Copy a block of data into I/O memory + * @dst: The (I/O memory) destination for the copy + * @src: The (RAM) source for the data + * @count: The number of bytes to copy + * + * Copy a block of data to I/O memory. + */ static inline void memcpy_toio(volatile void __iomem *addr, const void *buffer, size_t size) { diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h index 7dfa767dc680..4d7bb98f4134 100644 --- a/include/asm-generic/pgtable.h +++ b/include/asm-generic/pgtable.h @@ -583,6 +583,18 @@ static inline void ptep_modify_prot_commit(struct mm_struct *mm, #endif /* CONFIG_MMU */ /* + * No-op macros that just return the current protection value. Defined here + * because these macros can be used used even if CONFIG_MMU is not defined. + */ +#ifndef pgprot_encrypted +#define pgprot_encrypted(prot) (prot) +#endif + +#ifndef pgprot_decrypted +#define pgprot_decrypted(prot) (prot) +#endif + +/* * A facility to provide lazy MMU batching. This allows PTE updates and * page invalidations to be delayed until a call to leave lazy MMU mode * is issued. Some architectures may benefit from doing this, and it is diff --git a/include/asm-generic/qspinlock.h b/include/asm-generic/qspinlock.h index 9f0681bf1e87..66260777d644 100644 --- a/include/asm-generic/qspinlock.h +++ b/include/asm-generic/qspinlock.h @@ -22,17 +22,6 @@ #include <asm-generic/qspinlock_types.h> /** - * queued_spin_unlock_wait - wait until the _current_ lock holder releases the lock - * @lock : Pointer to queued spinlock structure - * - * There is a very slight possibility of live-lock if the lockers keep coming - * and the waiter is just unfortunate enough to not see any unlock state. - */ -#ifndef queued_spin_unlock_wait -extern void queued_spin_unlock_wait(struct qspinlock *lock); -#endif - -/** * queued_spin_is_locked - is the spinlock locked? * @lock: Pointer to queued spinlock structure * Return: 1 if it is locked, 0 otherwise @@ -41,8 +30,6 @@ extern void queued_spin_unlock_wait(struct qspinlock *lock); static __always_inline int queued_spin_is_locked(struct qspinlock *lock) { /* - * See queued_spin_unlock_wait(). - * * Any !0 state indicates it is locked, even if _Q_LOCKED_VAL * isn't immediately observable. */ @@ -135,6 +122,5 @@ static __always_inline bool virt_spin_lock(struct qspinlock *lock) #define arch_spin_trylock(l) queued_spin_trylock(l) #define arch_spin_unlock(l) queued_spin_unlock(l) #define arch_spin_lock_flags(l, f) queued_spin_lock(l) -#define arch_spin_unlock_wait(l) queued_spin_unlock_wait(l) #endif /* __ASM_GENERIC_QSPINLOCK_H */ diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 532372c6cf15..e5da44eddd2f 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -27,6 +27,8 @@ * __kprobes_text_start, __kprobes_text_end * __entry_text_start, __entry_text_end * __ctors_start, __ctors_end + * __irqentry_text_start, __irqentry_text_end + * __softirqentry_text_start, __softirqentry_text_end */ extern char _text[], _stext[], _etext[]; extern char _data[], _sdata[], _edata[]; @@ -39,6 +41,8 @@ extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; extern char __entry_text_start[], __entry_text_end[]; extern char __start_rodata[], __end_rodata[]; +extern char __irqentry_text_start[], __irqentry_text_end[]; +extern char __softirqentry_text_start[], __softirqentry_text_end[]; /* Start and end of .ctors section - used for constructor calls. */ extern char __ctors_start[], __ctors_end[]; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 9623d78f8494..9fdb54a95976 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -497,25 +497,17 @@ *(.entry.text) \ VMLINUX_SYMBOL(__entry_text_end) = .; -#if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN) #define IRQENTRY_TEXT \ ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__irqentry_text_start) = .; \ *(.irqentry.text) \ VMLINUX_SYMBOL(__irqentry_text_end) = .; -#else -#define IRQENTRY_TEXT -#endif -#if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN) #define SOFTIRQENTRY_TEXT \ ALIGN_FUNCTION(); \ VMLINUX_SYMBOL(__softirqentry_text_start) = .; \ *(.softirqentry.text) \ VMLINUX_SYMBOL(__softirqentry_text_end) = .; -#else -#define SOFTIRQENTRY_TEXT -#endif /* Section used for early init (in .S files) */ #define HEAD_TEXT *(.head.text) @@ -694,6 +686,31 @@ #define BUG_TABLE #endif +#ifdef CONFIG_ORC_UNWINDER +#define ORC_UNWIND_TABLE \ + . = ALIGN(4); \ + .orc_unwind_ip : AT(ADDR(.orc_unwind_ip) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start_orc_unwind_ip) = .; \ + KEEP(*(.orc_unwind_ip)) \ + VMLINUX_SYMBOL(__stop_orc_unwind_ip) = .; \ + } \ + . = ALIGN(6); \ + .orc_unwind : AT(ADDR(.orc_unwind) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start_orc_unwind) = .; \ + KEEP(*(.orc_unwind)) \ + VMLINUX_SYMBOL(__stop_orc_unwind) = .; \ + } \ + . = ALIGN(4); \ + .orc_lookup : AT(ADDR(.orc_lookup) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(orc_lookup) = .; \ + . += (((SIZEOF(.text) + LOOKUP_BLOCK_SIZE - 1) / \ + LOOKUP_BLOCK_SIZE) + 1) * 4; \ + VMLINUX_SYMBOL(orc_lookup_end) = .; \ + } +#else +#define ORC_UNWIND_TABLE +#endif + #ifdef CONFIG_PM_TRACE #define TRACEDATA \ . = ALIGN(4); \ @@ -880,7 +897,7 @@ DATA_DATA \ CONSTRUCTORS \ } \ - BUG_TABLE + BUG_TABLE \ #define INIT_TEXT_SECTION(inittext_align) \ . = ALIGN(inittext_align); \ diff --git a/include/drm/bridge/dw_mipi_dsi.h b/include/drm/bridge/dw_mipi_dsi.h new file mode 100644 index 000000000000..9b30fec302c8 --- /dev/null +++ b/include/drm/bridge/dw_mipi_dsi.h @@ -0,0 +1,39 @@ +/* + * Copyright (C) STMicroelectronics SA 2017 + * + * Authors: Philippe Cornu <philippe.cornu@st.com> + * Yannick Fertre <yannick.fertre@st.com> + * + * License terms: GNU General Public License (GPL), version 2 + */ + +#ifndef __DW_MIPI_DSI__ +#define __DW_MIPI_DSI__ + +struct dw_mipi_dsi_phy_ops { + int (*init)(void *priv_data); + int (*get_lane_mbps)(void *priv_data, struct drm_display_mode *mode, + unsigned long mode_flags, u32 lanes, u32 format, + unsigned int *lane_mbps); +}; + +struct dw_mipi_dsi_plat_data { + void __iomem *base; + unsigned int max_data_lanes; + + enum drm_mode_status (*mode_valid)(void *priv_data, + const struct drm_display_mode *mode); + + const struct dw_mipi_dsi_phy_ops *phy_ops; + + void *priv_data; +}; + +int dw_mipi_dsi_probe(struct platform_device *pdev, + const struct dw_mipi_dsi_plat_data *plat_data); +void dw_mipi_dsi_remove(struct platform_device *pdev); +int dw_mipi_dsi_bind(struct platform_device *pdev, struct drm_encoder *encoder, + const struct dw_mipi_dsi_plat_data *plat_data); +void dw_mipi_dsi_unbind(struct device *dev); + +#endif /* __DW_MIPI_DSI__ */ diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 39df16af7a4a..7277783a4ff0 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -82,19 +82,10 @@ #include <drm/drm_sysfs.h> #include <drm/drm_vblank.h> #include <drm/drm_irq.h> - +#include <drm/drm_device.h> struct module; -struct drm_device; -struct drm_agp_head; -struct drm_local_map; -struct drm_device_dma; -struct drm_gem_object; -struct drm_master; -struct drm_vblank_crtc; -struct drm_vma_offset_manager; - struct device_node; struct videomode; struct reservation_object; @@ -306,143 +297,6 @@ struct pci_controller; /** - * DRM device structure. This structure represent a complete card that - * may contain multiple heads. - */ -struct drm_device { - struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */ - int if_version; /**< Highest interface version set */ - - /** \name Lifetime Management */ - /*@{ */ - struct kref ref; /**< Object ref-count */ - struct device *dev; /**< Device structure of bus-device */ - struct drm_driver *driver; /**< DRM driver managing the device */ - void *dev_private; /**< DRM driver private data */ - struct drm_minor *control; /**< Control node */ - struct drm_minor *primary; /**< Primary node */ - struct drm_minor *render; /**< Render node */ - bool registered; - - /* currently active master for this device. Protected by master_mutex */ - struct drm_master *master; - - atomic_t unplugged; /**< Flag whether dev is dead */ - struct inode *anon_inode; /**< inode for private address-space */ - char *unique; /**< unique name of the device */ - /*@} */ - - /** \name Locks */ - /*@{ */ - struct mutex struct_mutex; /**< For others */ - struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */ - /*@} */ - - /** \name Usage Counters */ - /*@{ */ - int open_count; /**< Outstanding files open, protected by drm_global_mutex. */ - spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */ - int buf_use; /**< Buffers in use -- cannot alloc */ - atomic_t buf_alloc; /**< Buffer allocation in progress */ - /*@} */ - - struct mutex filelist_mutex; - struct list_head filelist; - - /** \name Memory management */ - /*@{ */ - struct list_head maplist; /**< Linked list of regions */ - struct drm_open_hash map_hash; /**< User token hash table for maps */ - - /** \name Context handle management */ - /*@{ */ - struct list_head ctxlist; /**< Linked list of context handles */ - struct mutex ctxlist_mutex; /**< For ctxlist */ - - struct idr ctx_idr; - - struct list_head vmalist; /**< List of vmas (for debugging) */ - - /*@} */ - - /** \name DMA support */ - /*@{ */ - struct drm_device_dma *dma; /**< Optional pointer for DMA support */ - /*@} */ - - /** \name Context support */ - /*@{ */ - - __volatile__ long context_flag; /**< Context swapping flag */ - int last_context; /**< Last current context */ - /*@} */ - - /** - * @irq_enabled: - * - * Indicates that interrupt handling is enabled, specifically vblank - * handling. Drivers which don't use drm_irq_install() need to set this - * to true manually. - */ - bool irq_enabled; - int irq; - - /* - * If true, vblank interrupt will be disabled immediately when the - * refcount drops to zero, as opposed to via the vblank disable - * timer. - * This can be set to true it the hardware has a working vblank - * counter and the driver uses drm_vblank_on() and drm_vblank_off() - * appropriately. - */ - bool vblank_disable_immediate; - - /* array of size num_crtcs */ - struct drm_vblank_crtc *vblank; - - spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ - spinlock_t vbl_lock; - - u32 max_vblank_count; /**< size of vblank counter register */ - - /** - * List of events - */ - struct list_head vblank_event_list; - spinlock_t event_lock; - - /*@} */ - - struct drm_agp_head *agp; /**< AGP data */ - - struct pci_dev *pdev; /**< PCI device structure */ -#ifdef __alpha__ - struct pci_controller *hose; -#endif - - struct drm_sg_mem *sg; /**< Scatter gather memory */ - unsigned int num_crtcs; /**< Number of CRTCs on this device */ - - struct { - int context; - struct drm_hw_lock *lock; - } sigdata; - - struct drm_local_map *agp_buffer_map; - unsigned int agp_buffer_token; - - struct drm_mode_config mode_config; /**< Current mode config */ - - /** \name GEM information */ - /*@{ */ - struct mutex object_name_lock; - struct idr object_name_idr; - struct drm_vma_offset_manager *vma_offset_manager; - /*@} */ - int switch_power_state; -}; - -/** * drm_drv_uses_atomic_modeset - check if the driver implements * atomic_commit() * @dev: DRM device @@ -466,19 +320,6 @@ static __inline__ int drm_core_check_feature(struct drm_device *dev, return ((dev->driver->driver_features & feature) ? 1 : 0); } -static inline void drm_device_set_unplugged(struct drm_device *dev) -{ - smp_wmb(); - atomic_set(&dev->unplugged, 1); -} - -static inline int drm_device_is_unplugged(struct drm_device *dev) -{ - int ret = atomic_read(&dev->unplugged); - smp_rmb(); - return ret; -} - /******************************************************************/ /** \name Internal function definitions */ /*@{*/ diff --git a/include/drm/drm_atomic.h b/include/drm/drm_atomic.h index 0196f264a418..8a5808eb5628 100644 --- a/include/drm/drm_atomic.h +++ b/include/drm/drm_atomic.h @@ -154,6 +154,9 @@ struct __drm_connnectors_state { struct drm_connector_state *state, *old_state, *new_state; }; +struct drm_private_obj; +struct drm_private_state; + /** * struct drm_private_state_funcs - atomic state functions for private objects * @@ -166,7 +169,7 @@ struct __drm_connnectors_state { */ struct drm_private_state_funcs { /** - * @duplicate_state: + * @atomic_duplicate_state: * * Duplicate the current state of the private object and return it. It * is an error to call this before obj->state has been initialized. @@ -176,29 +179,30 @@ struct drm_private_state_funcs { * Duplicated atomic state or NULL when obj->state is not * initialized or allocation failed. */ - void *(*duplicate_state)(struct drm_atomic_state *state, void *obj); + struct drm_private_state *(*atomic_duplicate_state)(struct drm_private_obj *obj); /** - * @swap_state: + * @atomic_destroy_state: * - * This function swaps the existing state of a private object @obj with - * it's newly created state, the pointer to which is passed as - * @obj_state_ptr. + * Frees the private object state created with @atomic_duplicate_state. */ - void (*swap_state)(void *obj, void **obj_state_ptr); + void (*atomic_destroy_state)(struct drm_private_obj *obj, + struct drm_private_state *state); +}; - /** - * @destroy_state: - * - * Frees the private object state created with @duplicate_state. - */ - void (*destroy_state)(void *obj_state); +struct drm_private_obj { + struct drm_private_state *state; + + const struct drm_private_state_funcs *funcs; +}; + +struct drm_private_state { + struct drm_atomic_state *state; }; struct __drm_private_objs_state { - void *obj; - void *obj_state; - const struct drm_private_state_funcs *funcs; + struct drm_private_obj *ptr; + struct drm_private_state *state, *old_state, *new_state; }; /** @@ -207,6 +211,7 @@ struct __drm_private_objs_state { * @dev: parent DRM device * @allow_modeset: allow full modeset * @legacy_cursor_update: hint to enforce legacy cursor IOCTL semantics + * @async_update: hint for asynchronous plane update * @planes: pointer to array of structures with per-plane data * @crtcs: pointer to array of CRTC pointers * @num_connector: size of the @connectors and @connector_states arrays @@ -221,6 +226,7 @@ struct drm_atomic_state { struct drm_device *dev; bool allow_modeset : 1; bool legacy_cursor_update : 1; + bool async_update : 1; struct __drm_planes_state *planes; struct __drm_crtcs_state *crtcs; int num_connector; @@ -309,20 +315,18 @@ int drm_atomic_crtc_set_property(struct drm_crtc *crtc, struct drm_plane_state * __must_check drm_atomic_get_plane_state(struct drm_atomic_state *state, struct drm_plane *plane); -int drm_atomic_plane_set_property(struct drm_plane *plane, - struct drm_plane_state *state, struct drm_property *property, - uint64_t val); struct drm_connector_state * __must_check drm_atomic_get_connector_state(struct drm_atomic_state *state, struct drm_connector *connector); -int drm_atomic_connector_set_property(struct drm_connector *connector, - struct drm_connector_state *state, struct drm_property *property, - uint64_t val); -void * __must_check +void drm_atomic_private_obj_init(struct drm_private_obj *obj, + struct drm_private_state *state, + const struct drm_private_state_funcs *funcs); +void drm_atomic_private_obj_fini(struct drm_private_obj *obj); + +struct drm_private_state * __must_check drm_atomic_get_private_obj_state(struct drm_atomic_state *state, - void *obj, - const struct drm_private_state_funcs *funcs); + struct drm_private_obj *obj); /** * drm_atomic_get_existing_crtc_state - get crtc state, if it exists @@ -541,8 +545,6 @@ int __must_check drm_atomic_add_affected_planes(struct drm_atomic_state *state, struct drm_crtc *crtc); -void drm_atomic_legacy_backoff(struct drm_atomic_state *state); - void drm_atomic_clean_old_fb(struct drm_device *dev, unsigned plane_mask, int ret); @@ -809,43 +811,63 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p); for_each_if (plane) /** - * __for_each_private_obj - iterate over all private objects + * for_each_oldnew_private_obj_in_state - iterate over all private objects in an atomic update * @__state: &struct drm_atomic_state pointer - * @obj: private object iteration cursor - * @obj_state: private object state iteration cursor + * @obj: &struct drm_private_obj iteration cursor + * @old_obj_state: &struct drm_private_state iteration cursor for the old state + * @new_obj_state: &struct drm_private_state iteration cursor for the new state * @__i: int iteration cursor, for macro-internal use - * @__funcs: &struct drm_private_state_funcs iteration cursor * - * This macro iterates over the array containing private object data in atomic - * state + * This iterates over all private objects in an atomic update, tracking both + * old and new state. This is useful in places where the state delta needs + * to be considered, for example in atomic check functions. */ -#define __for_each_private_obj(__state, obj, obj_state, __i, __funcs) \ - for ((__i) = 0; \ - (__i) < (__state)->num_private_objs && \ - ((obj) = (__state)->private_objs[__i].obj, \ - (__funcs) = (__state)->private_objs[__i].funcs, \ - (obj_state) = (__state)->private_objs[__i].obj_state, \ - 1); \ - (__i)++) \ +#define for_each_oldnew_private_obj_in_state(__state, obj, old_obj_state, new_obj_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->num_private_objs && \ + ((obj) = (__state)->private_objs[__i].ptr, \ + (old_obj_state) = (__state)->private_objs[__i].old_state, \ + (new_obj_state) = (__state)->private_objs[__i].new_state, 1); \ + (__i)++) \ + for_each_if (obj) /** - * for_each_private_obj - iterate over a specify type of private object + * for_each_old_private_obj_in_state - iterate over all private objects in an atomic update * @__state: &struct drm_atomic_state pointer - * @obj_funcs: &struct drm_private_state_funcs function table to filter - * private objects - * @obj: private object iteration cursor - * @obj_state: private object state iteration cursor + * @obj: &struct drm_private_obj iteration cursor + * @old_obj_state: &struct drm_private_state iteration cursor for the old state * @__i: int iteration cursor, for macro-internal use - * @__funcs: &struct drm_private_state_funcs iteration cursor * - * This macro iterates over the private objects state array while filtering the - * objects based on the vfunc table that is passed as @obj_funcs. New macros - * can be created by passing in the vfunc table associated with a specific - * private object. + * This iterates over all private objects in an atomic update, tracking only + * the old state. This is useful in disable functions, where we need the old + * state the hardware is still in. + */ +#define for_each_old_private_obj_in_state(__state, obj, old_obj_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->num_private_objs && \ + ((obj) = (__state)->private_objs[__i].ptr, \ + (old_obj_state) = (__state)->private_objs[__i].old_state, 1); \ + (__i)++) \ + for_each_if (obj) + +/** + * for_each_new_private_obj_in_state - iterate over all private objects in an atomic update + * @__state: &struct drm_atomic_state pointer + * @obj: &struct drm_private_obj iteration cursor + * @new_obj_state: &struct drm_private_state iteration cursor for the new state + * @__i: int iteration cursor, for macro-internal use + * + * This iterates over all private objects in an atomic update, tracking only + * the new state. This is useful in enable functions, where we need the new state the + * hardware should be in when the atomic commit operation has completed. */ -#define for_each_private_obj(__state, obj_funcs, obj, obj_state, __i, __funcs) \ - __for_each_private_obj(__state, obj, obj_state, __i, __funcs) \ - for_each_if (__funcs == obj_funcs) +#define for_each_new_private_obj_in_state(__state, obj, new_obj_state, __i) \ + for ((__i) = 0; \ + (__i) < (__state)->num_private_objs && \ + ((obj) = (__state)->private_objs[__i].ptr, \ + (new_obj_state) = (__state)->private_objs[__i].new_state, 1); \ + (__i)++) \ + for_each_if (obj) /** * drm_atomic_crtc_needs_modeset - compute combined modeset need @@ -853,7 +875,7 @@ void drm_state_dump(struct drm_device *dev, struct drm_printer *p); * * To give drivers flexibility &struct drm_crtc_state has 3 booleans to track * whether the state CRTC changed enough to need a full modeset cycle: - * planes_changed, mode_changed and active_changed. This helper simply + * mode_changed, active_changed and connectors_changed. This helper simply * combines these three to compute the overall need for a modeset for @state. * * The atomic helper code sets these booleans, but drivers can and should diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h index f0a8678ae98e..d2b56cc657e9 100644 --- a/include/drm/drm_atomic_helper.h +++ b/include/drm/drm_atomic_helper.h @@ -33,6 +33,8 @@ #include <drm/drm_modeset_helper.h> struct drm_atomic_state; +struct drm_private_obj; +struct drm_private_state; int drm_atomic_helper_check_modeset(struct drm_device *dev, struct drm_atomic_state *state); @@ -41,9 +43,14 @@ int drm_atomic_helper_check_planes(struct drm_device *dev, int drm_atomic_helper_check(struct drm_device *dev, struct drm_atomic_state *state); void drm_atomic_helper_commit_tail(struct drm_atomic_state *state); +void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *state); int drm_atomic_helper_commit(struct drm_device *dev, struct drm_atomic_state *state, bool nonblock); +int drm_atomic_helper_async_check(struct drm_device *dev, + struct drm_atomic_state *state); +void drm_atomic_helper_async_commit(struct drm_device *dev, + struct drm_atomic_state *state); int drm_atomic_helper_wait_for_fences(struct drm_device *dev, struct drm_atomic_state *state, @@ -52,6 +59,9 @@ int drm_atomic_helper_wait_for_fences(struct drm_device *dev, void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, struct drm_atomic_state *old_state); +void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev, + struct drm_atomic_state *old_state); + void drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, struct drm_atomic_state *old_state); @@ -77,8 +87,8 @@ void drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state, bool atomic); -void drm_atomic_helper_swap_state(struct drm_atomic_state *state, - bool stall); +int __must_check drm_atomic_helper_swap_state(struct drm_atomic_state *state, + bool stall); /* nonblocking commit helpers */ int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, @@ -114,15 +124,6 @@ int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state, int drm_atomic_helper_resume(struct drm_device *dev, struct drm_atomic_state *state); -int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, - struct drm_property *property, - uint64_t val); -int drm_atomic_helper_plane_set_property(struct drm_plane *plane, - struct drm_property *property, - uint64_t val); -int drm_atomic_helper_connector_set_property(struct drm_connector *connector, - struct drm_property *property, - uint64_t val); int drm_atomic_helper_page_flip(struct drm_crtc *crtc, struct drm_framebuffer *fb, struct drm_pending_vblank_event *event, @@ -135,8 +136,6 @@ int drm_atomic_helper_page_flip_target( uint32_t flags, uint32_t target, struct drm_modeset_acquire_ctx *ctx); -int drm_atomic_helper_connector_dpms(struct drm_connector *connector, - int mode); struct drm_encoder * drm_atomic_helper_best_encoder(struct drm_connector *connector); @@ -178,6 +177,8 @@ int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, uint32_t size, struct drm_modeset_acquire_ctx *ctx); +void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj, + struct drm_private_state *state); /** * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 1dc94d5392e2..6522d4cbc9d9 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -268,6 +268,9 @@ void drm_bridge_enable(struct drm_bridge *bridge); struct drm_bridge *drm_panel_bridge_add(struct drm_panel *panel, u32 connector_type); void drm_panel_bridge_remove(struct drm_bridge *bridge); +struct drm_bridge *devm_drm_panel_bridge_add(struct device *dev, + struct drm_panel *panel, + u32 connector_type); #endif #endif diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index ae5b7dc316c8..ea8da401c93c 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -135,6 +135,28 @@ struct drm_scdc { struct drm_hdmi_info { /** @scdc: sink's scdc support and capabilities */ struct drm_scdc scdc; + + /** + * @y420_vdb_modes: bitmap of modes which can support ycbcr420 + * output only (not normal RGB/YCBCR444/422 outputs). There are total + * 107 VICs defined by CEA-861-F spec, so the size is 128 bits to map + * upto 128 VICs; + */ + unsigned long y420_vdb_modes[BITS_TO_LONGS(128)]; + + /** + * @y420_cmdb_modes: bitmap of modes which can support ycbcr420 + * output also, along with normal HDMI outputs. There are total 107 + * VICs defined by CEA-861-F spec, so the size is 128 bits to map upto + * 128 VICs; + */ + unsigned long y420_cmdb_modes[BITS_TO_LONGS(128)]; + + /** @y420_cmdb_map: bitmap of SVD index, to extraxt vcb modes */ + u64 y420_cmdb_map; + + /** @y420_dc_modes: bitmap of deep color support index */ + u8 y420_dc_modes; }; /** @@ -198,6 +220,7 @@ struct drm_display_info { #define DRM_COLOR_FORMAT_RGB444 (1<<0) #define DRM_COLOR_FORMAT_YCRCB444 (1<<1) #define DRM_COLOR_FORMAT_YCRCB422 (1<<2) +#define DRM_COLOR_FORMAT_YCRCB420 (1<<3) /** * @color_formats: HDMI Color formats, selects between RGB and YCrCb @@ -359,8 +382,8 @@ struct drm_connector_funcs { * implement the 4 level DPMS support on the connector any more, but * instead only have an on/off "ACTIVE" property on the CRTC object. * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_connector_dpms() to implement this hook. + * This hook is not used by atomic drivers, remapping of the legacy DPMS + * property is entirely handled in the DRM core. * * RETURNS: * @@ -457,11 +480,9 @@ struct drm_connector_funcs { * This is the legacy entry point to update a property attached to the * connector. * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_connector_set_property() to implement this hook. - * * This callback is optional if the driver does not support any legacy - * driver-private properties. + * driver-private properties. For atomic drivers it is not used because + * property handling is done entirely in the DRM core. * * RETURNS: * @@ -726,6 +747,15 @@ struct drm_connector { bool interlace_allowed; bool doublescan_allowed; bool stereo_allowed; + + /** + * @ycbcr_420_allowed : This bool indicates if this connector is + * capable of handling YCBCR 420 output. While parsing the EDID + * blocks, its very helpful to know, if the source is capable of + * handling YCBCR 420 outputs. + */ + bool ycbcr_420_allowed; + /** * @registered: Is this connector exposed (registered) with userspace? * Protected by @mutex. diff --git a/include/drm/drm_crtc.h b/include/drm/drm_crtc.h index 629a5fe075b3..1a642020e306 100644 --- a/include/drm/drm_crtc.h +++ b/include/drm/drm_crtc.h @@ -358,14 +358,6 @@ struct drm_crtc_funcs { * drm_crtc_enable_color_mgmt(), which then supports the legacy gamma * interface through the drm_atomic_helper_legacy_gamma_set() * compatibility implementation. - * - * NOTE: - * - * Drivers that support gamma tables and also fbdev emulation through - * the provided helper library need to take care to fill out the gamma - * hooks for both. Currently there's a bit an unfortunate duplication - * going on, which should eventually be unified to just one set of - * hooks. */ int (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b, uint32_t size, @@ -481,11 +473,9 @@ struct drm_crtc_funcs { * This is the legacy entry point to update a property attached to the * CRTC. * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_crtc_set_property() to implement this hook. - * * This callback is optional if the driver does not support any legacy - * driver-private properties. + * driver-private properties. For atomic drivers it is not used because + * property handling is done entirely in the DRM core. * * RETURNS: * @@ -685,6 +675,9 @@ struct drm_crtc_funcs { * drm_crtc_vblank_off() and drm_crtc_vblank_on() when disabling or * enabling a CRTC. * + * See also &drm_device.vblank_disable_immediate and + * &drm_device.max_vblank_count. + * * Returns: * * Raw vblank counter value. diff --git a/include/drm/drm_device.h b/include/drm/drm_device.h new file mode 100644 index 000000000000..e21af87a2f3c --- /dev/null +++ b/include/drm/drm_device.h @@ -0,0 +1,190 @@ +#ifndef _DRM_DEVICE_H_ +#define _DRM_DEVICE_H_ + +#include <linux/list.h> +#include <linux/kref.h> +#include <linux/mutex.h> +#include <linux/idr.h> + +#include <drm/drm_hashtab.h> +#include <drm/drm_mode_config.h> + +struct drm_driver; +struct drm_minor; +struct drm_master; +struct drm_device_dma; +struct drm_vblank_crtc; +struct drm_sg_mem; +struct drm_local_map; +struct drm_vma_offset_manager; + +struct inode; + +struct pci_dev; +struct pci_controller; + +/** + * DRM device structure. This structure represent a complete card that + * may contain multiple heads. + */ +struct drm_device { + struct list_head legacy_dev_list;/**< list of devices per driver for stealth attach cleanup */ + int if_version; /**< Highest interface version set */ + + /** \name Lifetime Management */ + /*@{ */ + struct kref ref; /**< Object ref-count */ + struct device *dev; /**< Device structure of bus-device */ + struct drm_driver *driver; /**< DRM driver managing the device */ + void *dev_private; /**< DRM driver private data */ + struct drm_minor *control; /**< Control node */ + struct drm_minor *primary; /**< Primary node */ + struct drm_minor *render; /**< Render node */ + bool registered; + + /* currently active master for this device. Protected by master_mutex */ + struct drm_master *master; + + atomic_t unplugged; /**< Flag whether dev is dead */ + struct inode *anon_inode; /**< inode for private address-space */ + char *unique; /**< unique name of the device */ + /*@} */ + + /** \name Locks */ + /*@{ */ + struct mutex struct_mutex; /**< For others */ + struct mutex master_mutex; /**< For drm_minor::master and drm_file::is_master */ + /*@} */ + + /** \name Usage Counters */ + /*@{ */ + int open_count; /**< Outstanding files open, protected by drm_global_mutex. */ + spinlock_t buf_lock; /**< For drm_device::buf_use and a few other things. */ + int buf_use; /**< Buffers in use -- cannot alloc */ + atomic_t buf_alloc; /**< Buffer allocation in progress */ + /*@} */ + + struct mutex filelist_mutex; + struct list_head filelist; + + /** \name Memory management */ + /*@{ */ + struct list_head maplist; /**< Linked list of regions */ + struct drm_open_hash map_hash; /**< User token hash table for maps */ + + /** \name Context handle management */ + /*@{ */ + struct list_head ctxlist; /**< Linked list of context handles */ + struct mutex ctxlist_mutex; /**< For ctxlist */ + + struct idr ctx_idr; + + struct list_head vmalist; /**< List of vmas (for debugging) */ + + /*@} */ + + /** \name DMA support */ + /*@{ */ + struct drm_device_dma *dma; /**< Optional pointer for DMA support */ + /*@} */ + + /** \name Context support */ + /*@{ */ + + __volatile__ long context_flag; /**< Context swapping flag */ + int last_context; /**< Last current context */ + /*@} */ + + /** + * @irq_enabled: + * + * Indicates that interrupt handling is enabled, specifically vblank + * handling. Drivers which don't use drm_irq_install() need to set this + * to true manually. + */ + bool irq_enabled; + int irq; + + /** + * @vblank_disable_immediate: + * + * If true, vblank interrupt will be disabled immediately when the + * refcount drops to zero, as opposed to via the vblank disable + * timer. + * + * This can be set to true it the hardware has a working vblank counter + * with high-precision timestamping (otherwise there are races) and the + * driver uses drm_crtc_vblank_on() and drm_crtc_vblank_off() + * appropriately. See also @max_vblank_count and + * &drm_crtc_funcs.get_vblank_counter. + */ + bool vblank_disable_immediate; + + /** + * @vblank: + * + * Array of vblank tracking structures, one per &struct drm_crtc. For + * historical reasons (vblank support predates kernel modesetting) this + * is free-standing and not part of &struct drm_crtc itself. It must be + * initialized explicitly by calling drm_vblank_init(). + */ + struct drm_vblank_crtc *vblank; + + spinlock_t vblank_time_lock; /**< Protects vblank count and time updates during vblank enable/disable */ + spinlock_t vbl_lock; + + /** + * @max_vblank_count: + * + * Maximum value of the vblank registers. This value +1 will result in a + * wrap-around of the vblank register. It is used by the vblank core to + * handle wrap-arounds. + * + * If set to zero the vblank core will try to guess the elapsed vblanks + * between times when the vblank interrupt is disabled through + * high-precision timestamps. That approach is suffering from small + * races and imprecision over longer time periods, hence exposing a + * hardware vblank counter is always recommended. + * + * If non-zeor, &drm_crtc_funcs.get_vblank_counter must be set. + */ + u32 max_vblank_count; /**< size of vblank counter register */ + + /** + * List of events + */ + struct list_head vblank_event_list; + spinlock_t event_lock; + + /*@} */ + + struct drm_agp_head *agp; /**< AGP data */ + + struct pci_dev *pdev; /**< PCI device structure */ +#ifdef __alpha__ + struct pci_controller *hose; +#endif + + struct drm_sg_mem *sg; /**< Scatter gather memory */ + unsigned int num_crtcs; /**< Number of CRTCs on this device */ + + struct { + int context; + struct drm_hw_lock *lock; + } sigdata; + + struct drm_local_map *agp_buffer_map; + unsigned int agp_buffer_token; + + struct drm_mode_config mode_config; /**< Current mode config */ + + /** \name GEM information */ + /*@{ */ + struct mutex object_name_lock; + struct idr object_name_idr; + struct drm_vma_offset_manager *vma_offset_manager; + /*@} */ + int switch_power_state; +}; + +#endif diff --git a/include/drm/drm_dp_mst_helper.h b/include/drm/drm_dp_mst_helper.h index 177ab6f86855..d55abb75f29a 100644 --- a/include/drm/drm_dp_mst_helper.h +++ b/include/drm/drm_dp_mst_helper.h @@ -404,12 +404,17 @@ struct drm_dp_payload { int vcpi; }; +#define to_dp_mst_topology_state(x) container_of(x, struct drm_dp_mst_topology_state, base) + struct drm_dp_mst_topology_state { + struct drm_private_state base; int avail_slots; struct drm_atomic_state *state; struct drm_dp_mst_topology_mgr *mgr; }; +#define to_dp_mst_topology_mgr(x) container_of(x, struct drm_dp_mst_topology_mgr, base) + /** * struct drm_dp_mst_topology_mgr - DisplayPort MST manager * @@ -419,6 +424,11 @@ struct drm_dp_mst_topology_state { */ struct drm_dp_mst_topology_mgr { /** + * @base: Base private object for atomic + */ + struct drm_private_obj base; + + /** * @dev: device pointer for adding i2c devices etc. */ struct drm_device *dev; diff --git a/include/drm/drm_drv.h b/include/drm/drm_drv.h index d855f9ae41a8..71bbaaec836d 100644 --- a/include/drm/drm_drv.h +++ b/include/drm/drm_drv.h @@ -30,7 +30,8 @@ #include <linux/list.h> #include <linux/irqreturn.h> -struct drm_device; +#include <drm/drm_device.h> + struct drm_file; struct drm_gem_object; struct drm_master; @@ -173,8 +174,6 @@ struct drm_driver { */ void (*release) (struct drm_device *); - int (*set_busid)(struct drm_device *dev, struct drm_master *master); - /** * @get_vblank_counter: * @@ -392,6 +391,11 @@ struct drm_driver { */ void (*master_drop)(struct drm_device *dev, struct drm_file *file_priv); + /** + * @debugfs_init: + * + * Allows drivers to create driver-specific debugfs files. + */ int (*debugfs_init)(struct drm_minor *minor); /** @@ -410,7 +414,18 @@ struct drm_driver { */ void (*gem_free_object_unlocked) (struct drm_gem_object *obj); + /** + * @gem_open_object: + * + * Driver hook called upon gem handle creation + */ int (*gem_open_object) (struct drm_gem_object *, struct drm_file *); + + /** + * @gem_close_object: + * + * Driver hook called upon gem handle release + */ void (*gem_close_object) (struct drm_gem_object *, struct drm_file *); /** @@ -423,19 +438,34 @@ struct drm_driver { size_t size); /* prime: */ - /* export handle -> fd (see drm_gem_prime_handle_to_fd() helper) */ + /** + * @prime_handle_to_fd: + * + * export handle -> fd (see drm_gem_prime_handle_to_fd() helper) + */ int (*prime_handle_to_fd)(struct drm_device *dev, struct drm_file *file_priv, uint32_t handle, uint32_t flags, int *prime_fd); - /* import fd -> handle (see drm_gem_prime_fd_to_handle() helper) */ + /** + * @prime_fd_to_handle: + * + * import fd -> handle (see drm_gem_prime_fd_to_handle() helper) + */ int (*prime_fd_to_handle)(struct drm_device *dev, struct drm_file *file_priv, int prime_fd, uint32_t *handle); - /* export GEM -> dmabuf */ + /** + * @gem_prime_export: + * + * export GEM -> dmabuf + */ struct dma_buf * (*gem_prime_export)(struct drm_device *dev, struct drm_gem_object *obj, int flags); - /* import dmabuf -> GEM */ + /** + * @gem_prime_import: + * + * import dmabuf -> GEM + */ struct drm_gem_object * (*gem_prime_import)(struct drm_device *dev, struct dma_buf *dma_buf); - /* low-level interface used by drm_gem_prime_{import,export} */ int (*gem_prime_pin)(struct drm_gem_object *obj); void (*gem_prime_unpin)(struct drm_gem_object *obj); struct reservation_object * (*gem_prime_res_obj)( @@ -507,19 +537,46 @@ struct drm_driver { struct drm_device *dev, uint32_t handle); - /* Driver private ops for this object */ + /** + * @gem_vm_ops: Driver private ops for this object + */ const struct vm_operations_struct *gem_vm_ops; + /** @major: driver major number */ int major; + /** @minor: driver minor number */ int minor; + /** @patchlevel: driver patch level */ int patchlevel; + /** @name: driver name */ char *name; + /** @desc: driver description */ char *desc; + /** @date: driver date */ char *date; + /** @driver_features: driver features */ u32 driver_features; + + /** + * @ioctls: + * + * Array of driver-private IOCTL description entries. See the chapter on + * :ref:`IOCTL support in the userland interfaces + * chapter<drm_driver_ioctl>` for the full details. + */ + const struct drm_ioctl_desc *ioctls; + /** @num_ioctls: Number of entries in @ioctls. */ int num_ioctls; + + /** + * @fops: + * + * File operations for the DRM device node. See the discussion in + * :ref:`file operations<drm_driver_fops>` for in-depth coverage and + * some examples. + */ const struct file_operations *fops; /* Everything below here is for legacy driver, never use! */ @@ -557,7 +614,24 @@ void drm_dev_unregister(struct drm_device *dev); void drm_dev_ref(struct drm_device *dev); void drm_dev_unref(struct drm_device *dev); void drm_put_dev(struct drm_device *dev); -void drm_unplug_dev(struct drm_device *dev); +void drm_dev_unplug(struct drm_device *dev); + +/** + * drm_dev_is_unplugged - is a DRM device unplugged + * @dev: DRM device + * + * This function can be called to check whether a hotpluggable is unplugged. + * Unplugging itself is singalled through drm_dev_unplug(). If a device is + * unplugged, these two functions guarantee that any store before calling + * drm_dev_unplug() is visible to callers of this function after it completes + */ +static inline int drm_dev_is_unplugged(struct drm_device *dev) +{ + int ret = atomic_read(&dev->unplugged); + smp_rmb(); + return ret; +} + int drm_dev_set_unique(struct drm_device *dev, const char *name); diff --git a/include/drm/drm_edid.h b/include/drm/drm_edid.h index 7b9f48b62e07..1e1908a6b1d6 100644 --- a/include/drm/drm_edid.h +++ b/include/drm/drm_edid.h @@ -213,6 +213,14 @@ struct detailed_timing { #define DRM_EDID_HDMI_DC_30 (1 << 4) #define DRM_EDID_HDMI_DC_Y444 (1 << 3) +/* YCBCR 420 deep color modes */ +#define DRM_EDID_YCBCR420_DC_48 (1 << 6) +#define DRM_EDID_YCBCR420_DC_36 (1 << 5) +#define DRM_EDID_YCBCR420_DC_30 (1 << 4) +#define DRM_EDID_YCBCR420_DC_MASK (DRM_EDID_YCBCR420_DC_48 | \ + DRM_EDID_YCBCR420_DC_36 | \ + DRM_EDID_YCBCR420_DC_30) + /* ELD Header Block */ #define DRM_ELD_HEADER_BLOCK_SIZE 4 @@ -343,7 +351,8 @@ drm_load_edid_firmware(struct drm_connector *connector) int drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame, - const struct drm_display_mode *mode); + const struct drm_display_mode *mode, + bool is_hdmi2_sink); int drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame, const struct drm_display_mode *mode); diff --git a/include/drm/drm_fb_cma_helper.h b/include/drm/drm_fb_cma_helper.h index 199a63f48659..a323781afc3f 100644 --- a/include/drm/drm_fb_cma_helper.h +++ b/include/drm/drm_fb_cma_helper.h @@ -24,9 +24,9 @@ void drm_fbdev_cma_fini(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_restore_mode(struct drm_fbdev_cma *fbdev_cma); void drm_fbdev_cma_hotplug_event(struct drm_fbdev_cma *fbdev_cma); -void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, int state); +void drm_fbdev_cma_set_suspend(struct drm_fbdev_cma *fbdev_cma, bool state); void drm_fbdev_cma_set_suspend_unlocked(struct drm_fbdev_cma *fbdev_cma, - int state); + bool state); void drm_fb_cma_destroy(struct drm_framebuffer *fb); int drm_fb_cma_create_handle(struct drm_framebuffer *fb, diff --git a/include/drm/drm_fb_helper.h b/include/drm/drm_fb_helper.h index 119e5e4609c7..33fe95927742 100644 --- a/include/drm/drm_fb_helper.h +++ b/include/drm/drm_fb_helper.h @@ -85,38 +85,6 @@ struct drm_fb_helper_surface_size { */ struct drm_fb_helper_funcs { /** - * @gamma_set: - * - * Set the given gamma LUT register on the given CRTC. - * - * This callback is optional. - * - * FIXME: - * - * This callback is functionally redundant with the core gamma table - * support and simply exists because the fbdev hasn't yet been - * refactored to use the core gamma table interfaces. - */ - void (*gamma_set)(struct drm_crtc *crtc, u16 red, u16 green, - u16 blue, int regno); - /** - * @gamma_get: - * - * Read the given gamma LUT register on the given CRTC, used to save the - * current LUT when force-restoring the fbdev for e.g. kdbg. - * - * This callback is optional. - * - * FIXME: - * - * This callback is functionally redundant with the core gamma table - * support and simply exists because the fbdev hasn't yet been - * refactored to use the core gamma table interfaces. - */ - void (*gamma_get)(struct drm_crtc *crtc, u16 *red, u16 *green, - u16 *blue, int regno); - - /** * @fb_probe: * * Driver callback to allocate and initialize the fbdev info structure. @@ -169,7 +137,6 @@ struct drm_fb_helper_connector { * @crtc_info: per-CRTC helper state (mode, x/y offset, etc) * @connector_count: number of connected connectors * @connector_info_alloc_count: size of connector_info - * @connector_info: array of per-connector information * @funcs: driver callbacks for fb helper * @fbdev: emulated fbdev device info struct * @pseudo_palette: fake palette of 16 colors @@ -191,6 +158,12 @@ struct drm_fb_helper { struct drm_fb_helper_crtc *crtc_info; int connector_count; int connector_info_alloc_count; + /** + * @connector_info: + * + * Array of per-connector information. Do not iterate directly, but use + * drm_fb_helper_for_each_connector. + */ struct drm_fb_helper_connector **connector_info; const struct drm_fb_helper_funcs *funcs; struct fb_info *fbdev; @@ -201,6 +174,18 @@ struct drm_fb_helper { struct work_struct resume_work; /** + * @lock: + * + * Top-level FBDEV helper lock. This protects all internal data + * structures and lists, such as @connector_info and @crtc_info. + * + * FIXME: fbdev emulation locking is a mess and long term we want to + * protect all helper internal state with this lock as well as reduce + * core KMS locking as much as possible. + */ + struct mutex lock; + + /** * @kernel_fb_list: * * Entry on the global kernel_fb_helper_list, used for kgdb entry/exit. @@ -215,6 +200,29 @@ struct drm_fb_helper { * needs to be reprobe when fbdev is in control again. */ bool delayed_hotplug; + + /** + * @deferred_setup: + * + * If no outputs are connected (disconnected or unknown) the FB helper + * code will defer setup until at least one of the outputs shows up. + * This field keeps track of the status so that setup can be retried + * at every hotplug event until it succeeds eventually. + * + * Protected by @lock. + */ + bool deferred_setup; + + /** + * @preferred_bpp: + * + * Temporary storage for the driver's preferred BPP setting passed to + * FB helper initialization. This needs to be tracked so that deferred + * FB helper setup can pass this on. + * + * See also: @deferred_setup + */ + int preferred_bpp; }; /** diff --git a/include/drm/drm_framebuffer.h b/include/drm/drm_framebuffer.h index 5244f059d23a..b6996ddb19d6 100644 --- a/include/drm/drm_framebuffer.h +++ b/include/drm/drm_framebuffer.h @@ -190,6 +190,13 @@ struct drm_framebuffer { * @filp_head: Placed on &drm_file.fbs, protected by &drm_file.fbs_lock. */ struct list_head filp_head; + /** + * @obj: GEM objects backing the framebuffer, one per plane (optional). + * + * This is used by the GEM framebuffer helpers, see e.g. + * drm_gem_fb_create(). + */ + struct drm_gem_object *obj[4]; }; #define obj_to_fb(x) container_of(x, struct drm_framebuffer, base) diff --git a/include/drm/drm_gem.h b/include/drm/drm_gem.h index 663d80358057..9c55c2acaa2b 100644 --- a/include/drm/drm_gem.h +++ b/include/drm/drm_gem.h @@ -131,21 +131,6 @@ struct drm_gem_object { uint32_t write_domain; /** - * @pending_read_domains: - * - * While validating an exec operation, the - * new read/write domain values are computed here. - * They will be transferred to the above values - * at the point that any cache flushing occurs - */ - uint32_t pending_read_domains; - - /** - * @pending_write_domain: Write domain similar to @pending_read_domains. - */ - uint32_t pending_write_domain; - - /** * @dma_buf: * * dma-buf associated with this GEM object. @@ -317,6 +302,8 @@ void drm_gem_put_pages(struct drm_gem_object *obj, struct page **pages, bool dirty, bool accessed); struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle); +int drm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev, + u32 handle, u64 *offset); int drm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev, uint32_t handle); diff --git a/include/drm/drm_gem_cma_helper.h b/include/drm/drm_gem_cma_helper.h index b42529e0fae0..58a739bf15f1 100644 --- a/include/drm/drm_gem_cma_helper.h +++ b/include/drm/drm_gem_cma_helper.h @@ -73,11 +73,6 @@ int drm_gem_cma_dumb_create(struct drm_file *file_priv, struct drm_device *drm, struct drm_mode_create_dumb *args); -/* map memory region for DRM framebuffer to user space */ -int drm_gem_cma_dumb_map_offset(struct drm_file *file_priv, - struct drm_device *drm, u32 handle, - u64 *offset); - /* set vm_flags and we can change the VM attribute to other one at here */ int drm_gem_cma_mmap(struct file *filp, struct vm_area_struct *vma); diff --git a/include/drm/drm_gem_framebuffer_helper.h b/include/drm/drm_gem_framebuffer_helper.h new file mode 100644 index 000000000000..db9cfa07235e --- /dev/null +++ b/include/drm/drm_gem_framebuffer_helper.h @@ -0,0 +1,37 @@ +#ifndef __DRM_GEM_FB_HELPER_H__ +#define __DRM_GEM_FB_HELPER_H__ + +struct drm_device; +struct drm_file; +struct drm_fb_helper_surface_size; +struct drm_framebuffer; +struct drm_framebuffer_funcs; +struct drm_gem_object; +struct drm_mode_fb_cmd2; +struct drm_plane; +struct drm_plane_state; + +struct drm_gem_object *drm_gem_fb_get_obj(struct drm_framebuffer *fb, + unsigned int plane); +void drm_gem_fb_destroy(struct drm_framebuffer *fb); +int drm_gem_fb_create_handle(struct drm_framebuffer *fb, struct drm_file *file, + unsigned int *handle); + +struct drm_framebuffer * +drm_gem_fb_create_with_funcs(struct drm_device *dev, struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd, + const struct drm_framebuffer_funcs *funcs); +struct drm_framebuffer * +drm_gem_fb_create(struct drm_device *dev, struct drm_file *file, + const struct drm_mode_fb_cmd2 *mode_cmd); + +int drm_gem_fb_prepare_fb(struct drm_plane *plane, + struct drm_plane_state *state); + +struct drm_framebuffer * +drm_gem_fbdev_fb_create(struct drm_device *dev, + struct drm_fb_helper_surface_size *sizes, + unsigned int pitch_align, struct drm_gem_object *obj, + const struct drm_framebuffer_funcs *funcs); + +#endif diff --git a/include/drm/drm_mode_config.h b/include/drm/drm_mode_config.h index 42981711189b..1b37368416c8 100644 --- a/include/drm/drm_mode_config.h +++ b/include/drm/drm_mode_config.h @@ -757,6 +757,12 @@ struct drm_mode_config { */ bool allow_fb_modifiers; + /** + * @modifiers: Plane property to list support modifier/format + * combination. + */ + struct drm_property *modifiers_property; + /* cursor size */ uint32_t cursor_width, cursor_height; diff --git a/include/drm/drm_modes.h b/include/drm/drm_modes.h index 94ac771fe460..9f3421c8efcd 100644 --- a/include/drm/drm_modes.h +++ b/include/drm/drm_modes.h @@ -80,6 +80,7 @@ struct videomode; * @MODE_ONE_SIZE: only one resolution is supported * @MODE_NO_REDUCED: monitor doesn't accept reduced blanking * @MODE_NO_STEREO: stereo modes not supported + * @MODE_NO_420: ycbcr 420 modes not supported * @MODE_STALE: mode has become stale * @MODE_BAD: unspecified reason * @MODE_ERROR: error condition @@ -124,6 +125,7 @@ enum drm_mode_status { MODE_ONE_SIZE, MODE_NO_REDUCED, MODE_NO_STEREO, + MODE_NO_420, MODE_STALE = -3, MODE_BAD = -2, MODE_ERROR = -1 @@ -450,6 +452,12 @@ int drm_mode_convert_umode(struct drm_display_mode *out, const struct drm_mode_modeinfo *in); void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode); void drm_mode_debug_printmodeline(const struct drm_display_mode *mode); +bool drm_mode_is_420_only(const struct drm_display_info *display, + const struct drm_display_mode *mode); +bool drm_mode_is_420_also(const struct drm_display_info *display, + const struct drm_display_mode *mode); +bool drm_mode_is_420(const struct drm_display_info *display, + const struct drm_display_mode *mode); struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay, int vdisplay, int vrefresh, @@ -496,6 +504,9 @@ bool drm_mode_equal_no_clocks_no_stereo(const struct drm_display_mode *mode1, enum drm_mode_status drm_mode_validate_basic(const struct drm_display_mode *mode); enum drm_mode_status drm_mode_validate_size(const struct drm_display_mode *mode, int maxX, int maxY); +enum drm_mode_status +drm_mode_validate_ycbcr420(const struct drm_display_mode *mode, + struct drm_connector *connector); void drm_mode_prune_invalid(struct drm_device *dev, struct list_head *mode_list, bool verbose); void drm_mode_sort(struct list_head *mode_list); diff --git a/include/drm/drm_modeset_helper_vtables.h b/include/drm/drm_modeset_helper_vtables.h index 85984b208218..c55cf3ff6847 100644 --- a/include/drm/drm_modeset_helper_vtables.h +++ b/include/drm/drm_modeset_helper_vtables.h @@ -71,7 +71,7 @@ struct drm_crtc_helper_funcs { * This callback is used by the legacy CRTC helpers. Atomic helpers * also support using this hook for enabling and disabling a CRTC to * facilitate transitions to atomic, but it is deprecated. Instead - * @enable and @disable should be used. + * @atomic_enable and @atomic_disable should be used. */ void (*dpms)(struct drm_crtc *crtc, int mode); @@ -85,8 +85,8 @@ struct drm_crtc_helper_funcs { * * This callback is used by the legacy CRTC helpers. Atomic helpers * also support using this hook for disabling a CRTC to facilitate - * transitions to atomic, but it is deprecated. Instead @disable should - * be used. + * transitions to atomic, but it is deprecated. Instead @atomic_disable + * should be used. */ void (*prepare)(struct drm_crtc *crtc); @@ -100,8 +100,8 @@ struct drm_crtc_helper_funcs { * * This callback is used by the legacy CRTC helpers. Atomic helpers * also support using this hook for enabling a CRTC to facilitate - * transitions to atomic, but it is deprecated. Instead @enable should - * be used. + * transitions to atomic, but it is deprecated. Instead @atomic_enable + * should be used. */ void (*commit)(struct drm_crtc *crtc); @@ -222,7 +222,7 @@ struct drm_crtc_helper_funcs { * pipeline is suspended using either DPMS or the new "ACTIVE" property. * Which means register values set in this callback might get reset when * the CRTC is suspended, but not restored. Such drivers should instead - * move all their CRTC setup into the @enable callback. + * move all their CRTC setup into the @atomic_enable callback. * * This callback is optional. */ @@ -267,22 +267,6 @@ struct drm_crtc_helper_funcs { enum mode_set_atomic); /** - * @load_lut: - * - * Load a LUT prepared with the &drm_fb_helper_funcs.gamma_set vfunc. - * - * This callback is optional and is only used by the fbdev emulation - * helpers. - * - * FIXME: - * - * This callback is functionally redundant with the core gamma table - * support and simply exists because the fbdev hasn't yet been - * refactored to use the core gamma table interfaces. - */ - void (*load_lut)(struct drm_crtc *crtc); - - /** * @disable: * * This callback should be used to disable the CRTC. With the atomic @@ -297,7 +281,7 @@ struct drm_crtc_helper_funcs { * Atomic drivers don't need to implement it if there's no need to * disable anything at the CRTC level. To ensure that runtime PM * handling (using either DPMS or the new "ACTIVE" property) works - * @disable must be the inverse of @enable for atomic drivers. + * @disable must be the inverse of @atomic_enable for atomic drivers. * Atomic drivers should consider to use @atomic_disable instead of * this one. * @@ -316,24 +300,6 @@ struct drm_crtc_helper_funcs { void (*disable)(struct drm_crtc *crtc); /** - * @enable: - * - * This callback should be used to enable the CRTC. With the atomic - * drivers it is called before all encoders connected to this CRTC are - * enabled through the encoder's own &drm_encoder_helper_funcs.enable - * hook. If that sequence is too simple drivers can just add their own - * hooks and call it from this CRTC callback here by looping over all - * encoders connected to it using for_each_encoder_on_crtc(). - * - * This hook is used only by atomic helpers, for symmetry with @disable. - * Atomic drivers don't need to implement it if there's no need to - * enable anything at the CRTC level. To ensure that runtime PM handling - * (using either DPMS or the new "ACTIVE" property) works - * @enable must be the inverse of @disable for atomic drivers. - */ - void (*enable)(struct drm_crtc *crtc); - - /** * @atomic_check: * * Drivers should check plane-update related CRTC constraints in this @@ -433,6 +399,30 @@ struct drm_crtc_helper_funcs { struct drm_crtc_state *old_crtc_state); /** + * @atomic_enable: + * + * This callback should be used to enable the CRTC. With the atomic + * drivers it is called before all encoders connected to this CRTC are + * enabled through the encoder's own &drm_encoder_helper_funcs.enable + * hook. If that sequence is too simple drivers can just add their own + * hooks and call it from this CRTC callback here by looping over all + * encoders connected to it using for_each_encoder_on_crtc(). + * + * This hook is used only by atomic helpers, for symmetry with + * @atomic_disable. Atomic drivers don't need to implement it if there's + * no need to enable anything at the CRTC level. To ensure that runtime + * PM handling (using either DPMS or the new "ACTIVE" property) works + * @atomic_enable must be the inverse of @atomic_disable for atomic + * drivers. + * + * Drivers can use the @old_crtc_state input parameter if the operations + * needed to enable the CRTC don't depend solely on the new state but + * also on the transition between the old state and the new state. + */ + void (*atomic_enable)(struct drm_crtc *crtc, + struct drm_crtc_state *old_crtc_state); + + /** * @atomic_disable: * * This callback should be used to disable the CRTC. With the atomic @@ -1129,6 +1119,56 @@ struct drm_plane_helper_funcs { */ void (*atomic_disable)(struct drm_plane *plane, struct drm_plane_state *old_state); + + /** + * @atomic_async_check: + * + * Drivers should set this function pointer to check if the plane state + * can be updated in a async fashion. Here async means "not vblank + * synchronized". + * + * This hook is called by drm_atomic_async_check() to establish if a + * given update can be committed asynchronously, that is, if it can + * jump ahead of the state currently queued for update. + * + * RETURNS: + * + * Return 0 on success and any error returned indicates that the update + * can not be applied in asynchronous manner. + */ + int (*atomic_async_check)(struct drm_plane *plane, + struct drm_plane_state *state); + + /** + * @atomic_async_update: + * + * Drivers should set this function pointer to perform asynchronous + * updates of planes, that is, jump ahead of the currently queued + * state and update the plane. Here async means "not vblank + * synchronized". + * + * This hook is called by drm_atomic_helper_async_commit(). + * + * An async update will happen on legacy cursor updates. An async + * update won't happen if there is an outstanding commit modifying + * the same plane. + * + * Note that unlike &drm_plane_helper_funcs.atomic_update this hook + * takes the new &drm_plane_state as parameter. When doing async_update + * drivers shouldn't replace the &drm_plane_state but update the + * current one with the new plane configurations in the new + * plane_state. + * + * FIXME: + * - It only works for single plane updates + * - Async Pageflips are not supported yet + * - Some hw might still scan out the old buffer until the next + * vblank, however we let go of the fb references as soon as + * we run this hook. For now drivers must implement their own workers + * for deferring if needed, until a common solution is created. + */ + void (*atomic_async_update)(struct drm_plane *plane, + struct drm_plane_state *new_state); }; /** @@ -1169,7 +1209,8 @@ struct drm_mode_config_helper_funcs { * After the atomic update is committed to the hardware this hook needs * to call drm_atomic_helper_commit_hw_done(). Then wait for the upate * to be executed by the hardware, for example using - * drm_atomic_helper_wait_for_vblanks(), and then clean up the old + * drm_atomic_helper_wait_for_vblanks() or + * drm_atomic_helper_wait_for_flip_done(), and then clean up the old * framebuffers using drm_atomic_helper_cleanup_planes(). * * When disabling a CRTC this hook _must_ stall for the commit to diff --git a/include/drm/drm_pci.h b/include/drm/drm_pci.h index 4579fac1080c..674599025d7d 100644 --- a/include/drm/drm_pci.h +++ b/include/drm/drm_pci.h @@ -43,13 +43,12 @@ struct drm_dma_handle *drm_pci_alloc(struct drm_device *dev, size_t size, size_t align); void drm_pci_free(struct drm_device *dev, struct drm_dma_handle * dmah); -int drm_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); -void drm_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); +int drm_legacy_pci_init(struct drm_driver *driver, struct pci_driver *pdriver); +void drm_legacy_pci_exit(struct drm_driver *driver, struct pci_driver *pdriver); #ifdef CONFIG_PCI int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver); -int drm_pci_set_busid(struct drm_device *dev, struct drm_master *master); #else static inline int drm_get_pci_dev(struct pci_dev *pdev, const struct pci_device_id *ent, @@ -57,12 +56,6 @@ static inline int drm_get_pci_dev(struct pci_dev *pdev, { return -ENOSYS; } - -static inline int drm_pci_set_busid(struct drm_device *dev, - struct drm_master *master) -{ - return -ENOSYS; -} #endif #define DRM_PCIE_SPEED_25 1 diff --git a/include/drm/drm_plane.h b/include/drm/drm_plane.h index 9ab3e7044812..73f90f9d057f 100644 --- a/include/drm/drm_plane.h +++ b/include/drm/drm_plane.h @@ -233,11 +233,9 @@ struct drm_plane_funcs { * This is the legacy entry point to update a property attached to the * plane. * - * Drivers implementing atomic modeset should use - * drm_atomic_helper_plane_set_property() to implement this hook. - * * This callback is optional if the driver does not support any legacy - * driver-private properties. + * driver-private properties. For atomic drivers it is not used because + * property handling is done entirely in the DRM core. * * RETURNS: * @@ -392,6 +390,22 @@ struct drm_plane_funcs { */ void (*atomic_print_state)(struct drm_printer *p, const struct drm_plane_state *state); + + /** + * @format_mod_supported: + * + * This optional hook is used for the DRM to determine if the given + * format/modifier combination is valid for the plane. This allows the + * DRM to generate the correct format bitmask (which formats apply to + * which modifier). + * + * Returns: + * + * True if the given modifier is valid for that format on the plane. + * False otherwise. + */ + bool (*format_mod_supported)(struct drm_plane *plane, uint32_t format, + uint64_t modifier); }; /** @@ -487,6 +501,9 @@ struct drm_plane { unsigned int format_count; bool format_default; + uint64_t *modifiers; + unsigned int modifier_count; + struct drm_crtc *crtc; struct drm_framebuffer *fb; @@ -527,13 +544,14 @@ struct drm_plane { #define obj_to_plane(x) container_of(x, struct drm_plane, base) -__printf(8, 9) +__printf(9, 10) int drm_universal_plane_init(struct drm_device *dev, struct drm_plane *plane, uint32_t possible_crtcs, const struct drm_plane_funcs *funcs, const uint32_t *formats, unsigned int format_count, + const uint64_t *format_modifiers, enum drm_plane_type type, const char *name, ...); int drm_plane_init(struct drm_device *dev, diff --git a/include/drm/drm_property.h b/include/drm/drm_property.h index 619868dc08d8..37355c623e6c 100644 --- a/include/drm/drm_property.h +++ b/include/drm/drm_property.h @@ -273,6 +273,8 @@ int drm_property_replace_global_blob(struct drm_device *dev, const void *data, struct drm_mode_object *obj_holds_id, struct drm_property *prop_holds_id); +bool drm_property_replace_blob(struct drm_property_blob **blob, + struct drm_property_blob *new_blob); struct drm_property_blob *drm_property_blob_get(struct drm_property_blob *blob); void drm_property_blob_put(struct drm_property_blob *blob); diff --git a/include/drm/drm_scdc_helper.h b/include/drm/drm_scdc_helper.h index c25122bb490a..f92eb2094d6b 100644 --- a/include/drm/drm_scdc_helper.h +++ b/include/drm/drm_scdc_helper.h @@ -131,31 +131,6 @@ static inline int drm_scdc_writeb(struct i2c_adapter *adapter, u8 offset, bool drm_scdc_get_scrambling_status(struct i2c_adapter *adapter); -/** - * drm_scdc_set_scrambling - enable scrambling - * @adapter: I2C adapter for DDC channel - * @enable: bool to indicate if scrambling is to be enabled/disabled - * - * Writes the TMDS config register over SCDC channel, and: - * enables scrambling when enable = 1 - * disables scrambling when enable = 0 - * - * Returns: - * True if scrambling is set/reset successfully, false otherwise. - */ bool drm_scdc_set_scrambling(struct i2c_adapter *adapter, bool enable); - -/** - * drm_scdc_set_high_tmds_clock_ratio - set TMDS clock ratio - * @adapter: I2C adapter for DDC channel - * @set: ret or reset the high clock ratio - * - * Writes to the TMDS config register over SCDC channel, and: - * sets TMDS clock ratio to 1/40 when set = 1 - * sets TMDS clock ratio to 1/10 when set = 0 - * - * Returns: - * True if write is successful, false otherwise. - */ bool drm_scdc_set_high_tmds_clock_ratio(struct i2c_adapter *adapter, bool set); #endif diff --git a/include/drm/drm_simple_kms_helper.h b/include/drm/drm_simple_kms_helper.h index 2d36538e4a17..6d9adbb46293 100644 --- a/include/drm/drm_simple_kms_helper.h +++ b/include/drm/drm_simple_kms_helper.h @@ -122,6 +122,7 @@ int drm_simple_display_pipe_init(struct drm_device *dev, struct drm_simple_display_pipe *pipe, const struct drm_simple_display_pipe_funcs *funcs, const uint32_t *formats, unsigned int format_count, + const uint64_t *format_modifiers, struct drm_connector *connector); #endif /* __LINUX_DRM_SIMPLE_KMS_HELPER_H */ diff --git a/include/drm/drm_syncobj.h b/include/drm/drm_syncobj.h index 89976da542b1..c00fee539822 100644 --- a/include/drm/drm_syncobj.h +++ b/include/drm/drm_syncobj.h @@ -28,6 +28,8 @@ #include "linux/dma-fence.h" +struct drm_syncobj_cb; + /** * struct drm_syncobj - sync object. * @@ -43,15 +45,47 @@ struct drm_syncobj { /** * @fence: * NULL or a pointer to the fence bound to this object. + * + * This field should not be used directly. Use drm_syncobj_fence_get + * and drm_syncobj_replace_fence instead. */ struct dma_fence *fence; /** + * @cb_list: + * List of callbacks to call when the fence gets replaced + */ + struct list_head cb_list; + /** + * @lock: + * locks cb_list and write-locks fence. + */ + spinlock_t lock; + /** * @file: * a file backing for this syncobj. */ struct file *file; }; +typedef void (*drm_syncobj_func_t)(struct drm_syncobj *syncobj, + struct drm_syncobj_cb *cb); + +/** + * struct drm_syncobj_cb - callback for drm_syncobj_add_callback + * @node: used by drm_syncob_add_callback to append this struct to + * syncobj::cb_list + * @func: drm_syncobj_func_t to call + * + * This struct will be initialized by drm_syncobj_add_callback, additional + * data can be passed along by embedding drm_syncobj_cb in another struct. + * The callback will get called the next time drm_syncobj_replace_fence is + * called. + */ +struct drm_syncobj_cb { + struct list_head node; + drm_syncobj_func_t func; +}; + void drm_syncobj_free(struct kref *kref); /** @@ -77,13 +111,30 @@ drm_syncobj_put(struct drm_syncobj *obj) kref_put(&obj->refcount, drm_syncobj_free); } +static inline struct dma_fence * +drm_syncobj_fence_get(struct drm_syncobj *syncobj) +{ + struct dma_fence *fence; + + rcu_read_lock(); + fence = dma_fence_get_rcu_safe(&syncobj->fence); + rcu_read_unlock(); + + return fence; +} + struct drm_syncobj *drm_syncobj_find(struct drm_file *file_private, u32 handle); +void drm_syncobj_add_callback(struct drm_syncobj *syncobj, + struct drm_syncobj_cb *cb, + drm_syncobj_func_t func); +void drm_syncobj_remove_callback(struct drm_syncobj *syncobj, + struct drm_syncobj_cb *cb); void drm_syncobj_replace_fence(struct drm_syncobj *syncobj, struct dma_fence *fence); -int drm_syncobj_fence_get(struct drm_file *file_private, - u32 handle, - struct dma_fence **fence); +int drm_syncobj_find_fence(struct drm_file *file_private, + u32 handle, + struct dma_fence **fence); void drm_syncobj_free(struct kref *kref); #endif diff --git a/include/drm/drm_vblank.h b/include/drm/drm_vblank.h index 4cde47332dfa..7fba9efe4951 100644 --- a/include/drm/drm_vblank.h +++ b/include/drm/drm_vblank.h @@ -168,8 +168,7 @@ void drm_crtc_wait_one_vblank(struct drm_crtc *crtc); void drm_crtc_vblank_off(struct drm_crtc *crtc); void drm_crtc_vblank_reset(struct drm_crtc *crtc); void drm_crtc_vblank_on(struct drm_crtc *crtc); -void drm_vblank_cleanup(struct drm_device *dev); -u32 drm_accurate_vblank_count(struct drm_crtc *crtc); +u32 drm_crtc_accurate_vblank_count(struct drm_crtc *crtc); bool drm_calc_vbltimestamp_from_scanoutpos(struct drm_device *dev, unsigned int pipe, int *max_error, diff --git a/include/drm/tinydrm/mipi-dbi.h b/include/drm/tinydrm/mipi-dbi.h index d137b16ee873..83346ddb9dba 100644 --- a/include/drm/tinydrm/mipi-dbi.h +++ b/include/drm/tinydrm/mipi-dbi.h @@ -62,11 +62,7 @@ mipi_dbi_from_tinydrm(struct tinydrm_device *tdev) } int mipi_dbi_spi_init(struct spi_device *spi, struct mipi_dbi *mipi, - struct gpio_desc *dc, - const struct drm_simple_display_pipe_funcs *pipe_funcs, - struct drm_driver *driver, - const struct drm_display_mode *mode, - unsigned int rotation); + struct gpio_desc *dc); int mipi_dbi_init(struct device *dev, struct mipi_dbi *mipi, const struct drm_simple_display_pipe_funcs *pipe_funcs, struct drm_driver *driver, diff --git a/include/drm/tinydrm/tinydrm-helpers.h b/include/drm/tinydrm/tinydrm-helpers.h index 9b9b6cfe3ba5..d554ded60ee9 100644 --- a/include/drm/tinydrm/tinydrm-helpers.h +++ b/include/drm/tinydrm/tinydrm-helpers.h @@ -43,6 +43,8 @@ void tinydrm_swab16(u16 *dst, void *vaddr, struct drm_framebuffer *fb, void tinydrm_xrgb8888_to_rgb565(u16 *dst, void *vaddr, struct drm_framebuffer *fb, struct drm_clip_rect *clip, bool swap); +void tinydrm_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb, + struct drm_clip_rect *clip); struct backlight_device *tinydrm_of_find_backlight(struct device *dev); int tinydrm_enable_backlight(struct backlight_device *backlight); diff --git a/include/drm/tinydrm/tinydrm.h b/include/drm/tinydrm/tinydrm.h index 00b800df4d1b..4774fe3d4273 100644 --- a/include/drm/tinydrm/tinydrm.h +++ b/include/drm/tinydrm/tinydrm.h @@ -56,9 +56,7 @@ pipe_to_tinydrm(struct drm_simple_display_pipe *pipe) .gem_prime_vmap = drm_gem_cma_prime_vmap, \ .gem_prime_vunmap = drm_gem_cma_prime_vunmap, \ .gem_prime_mmap = drm_gem_cma_prime_mmap, \ - .dumb_create = drm_gem_cma_dumb_create, \ - .dumb_map_offset = drm_gem_cma_dumb_map_offset, \ - .dumb_destroy = drm_gem_dumb_destroy + .dumb_create = drm_gem_cma_dumb_create /** * TINYDRM_MODE - tinydrm display mode diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 990d529f823c..5f821a9b3a1f 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -229,13 +229,14 @@ struct ttm_mem_type_manager_func { * struct ttm_mem_type_manager member debug * * @man: Pointer to a memory type manager. - * @prefix: Prefix to be used in printout to identify the caller. + * @printer: Prefix to be used in printout to identify the caller. * * This function is called to print out the state of the memory * type manager to aid debugging of out-of-memory conditions. * It may not be called from within atomic context. */ - void (*debug)(struct ttm_mem_type_manager *man, const char *prefix); + void (*debug)(struct ttm_mem_type_manager *man, + struct drm_printer *printer); }; /** @@ -472,6 +473,23 @@ struct ttm_bo_driver { */ unsigned long (*io_mem_pfn)(struct ttm_buffer_object *bo, unsigned long page_offset); + + /** + * Read/write memory buffers for ptrace access + * + * @bo: the BO to access + * @offset: the offset from the start of the BO + * @buf: pointer to source/destination buffer + * @len: number of bytes to copy + * @write: whether to read (0) from or write (non-0) to BO + * + * If successful, this function should return the number of + * bytes copied, -EIO otherwise. If the number of bytes + * returned is < len, the function may be called again with + * the remainder of the buffer to copy. + */ + int (*access_memory)(struct ttm_buffer_object *bo, unsigned long offset, + void *buf, int len, int write); }; /** diff --git a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h index d33f17c8a515..b8ff8824e21b 100644 --- a/include/dt-bindings/pinctrl/qcom,pmic-gpio.h +++ b/include/dt-bindings/pinctrl/qcom,pmic-gpio.h @@ -98,6 +98,8 @@ #define PMIC_GPIO_FUNC_PAIRED "paired" #define PMIC_GPIO_FUNC_FUNC1 "func1" #define PMIC_GPIO_FUNC_FUNC2 "func2" +#define PMIC_GPIO_FUNC_FUNC3 "func3" +#define PMIC_GPIO_FUNC_FUNC4 "func4" #define PMIC_GPIO_FUNC_DTEST1 "dtest1" #define PMIC_GPIO_FUNC_DTEST2 "dtest2" #define PMIC_GPIO_FUNC_DTEST3 "dtest3" diff --git a/include/dt-bindings/pinctrl/samsung.h b/include/dt-bindings/pinctrl/samsung.h index b7aa3646208b..ceb672305f59 100644 --- a/include/dt-bindings/pinctrl/samsung.h +++ b/include/dt-bindings/pinctrl/samsung.h @@ -66,7 +66,8 @@ #define EXYNOS_PIN_FUNC_4 4 #define EXYNOS_PIN_FUNC_5 5 #define EXYNOS_PIN_FUNC_6 6 -#define EXYNOS_PIN_FUNC_F 0xf +#define EXYNOS_PIN_FUNC_EINT 0xf +#define EXYNOS_PIN_FUNC_F EXYNOS_PIN_FUNC_EINT /* Drive strengths for Exynos7 FSYS1 block */ #define EXYNOS7_FSYS1_PIN_DRV_LV1 0 diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 27b4b6615263..502af53ec012 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -57,9 +57,6 @@ static inline acpi_handle acpi_device_handle(struct acpi_device *adev) acpi_fwnode_handle(adev) : NULL) #define ACPI_HANDLE(dev) acpi_device_handle(ACPI_COMPANION(dev)) - -extern const struct fwnode_operations acpi_fwnode_ops; - static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) { struct fwnode_handle *fwnode; @@ -68,15 +65,14 @@ static inline struct fwnode_handle *acpi_alloc_fwnode_static(void) if (!fwnode) return NULL; - fwnode->type = FWNODE_ACPI_STATIC; - fwnode->ops = &acpi_fwnode_ops; + fwnode->ops = &acpi_static_fwnode_ops; return fwnode; } static inline void acpi_free_fwnode_static(struct fwnode_handle *fwnode) { - if (WARN_ON(!fwnode || fwnode->type != FWNODE_ACPI_STATIC)) + if (WARN_ON(!is_acpi_static_node(fwnode))) return; kfree(fwnode); @@ -228,8 +224,8 @@ struct acpi_subtable_proc { int count; }; -char * __acpi_map_table (unsigned long phys_addr, unsigned long size); -void __acpi_unmap_table(char *map, unsigned long size); +void __iomem *__acpi_map_table(unsigned long phys, unsigned long size); +void __acpi_unmap_table(void __iomem *map, unsigned long size); int early_acpi_boot_init(void); int acpi_boot_init (void); void acpi_boot_table_init (void); @@ -427,6 +423,8 @@ void acpi_dev_free_resource_list(struct list_head *list); int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, int (*preproc)(struct acpi_resource *, void *), void *preproc_data); +int acpi_dev_get_dma_resources(struct acpi_device *adev, + struct list_head *list); int acpi_dev_filter_resource_type(struct acpi_resource *ares, unsigned long types); @@ -556,6 +554,25 @@ extern acpi_status acpi_pci_osc_control_set(acpi_handle handle, #define ACPI_OST_SC_DRIVER_LOAD_FAILURE 0x81 #define ACPI_OST_SC_INSERT_NOT_SUPPORTED 0x82 +enum acpi_predicate { + all_versions, + less_than_or_equal, + equal, + greater_than_or_equal, +}; + +/* Table must be terminted by a NULL entry */ +struct acpi_platform_list { + char oem_id[ACPI_OEM_ID_SIZE+1]; + char oem_table_id[ACPI_OEM_TABLE_ID_SIZE+1]; + u32 oem_revision; + char *table; + enum acpi_predicate pred; + char *reason; + u32 data; +}; +int acpi_match_platform_list(const struct acpi_platform_list *plat); + extern void acpi_early_init(void); extern void acpi_subsystem_init(void); @@ -774,6 +791,12 @@ static inline enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev) return DEV_DMA_NOT_SUPPORTED; } +static inline int acpi_dma_get_range(struct device *dev, u64 *dma_addr, + u64 *offset, u64 *size) +{ + return -ENODEV; +} + static inline int acpi_dma_configure(struct device *dev, enum dev_dma_attr attr) { @@ -1007,13 +1030,14 @@ struct acpi_reference_args { }; #ifdef CONFIG_ACPI -int acpi_dev_get_property(struct acpi_device *adev, const char *name, +int acpi_dev_get_property(const struct acpi_device *adev, const char *name, acpi_object_type type, const union acpi_object **obj); -int __acpi_node_get_property_reference(struct fwnode_handle *fwnode, +int __acpi_node_get_property_reference(const struct fwnode_handle *fwnode, const char *name, size_t index, size_t num_args, struct acpi_reference_args *args); -static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, +static inline int acpi_node_get_property_reference( + const struct fwnode_handle *fwnode, const char *name, size_t index, struct acpi_reference_args *args) { @@ -1021,22 +1045,25 @@ static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, MAX_ACPI_REFERENCE_ARGS, args); } -int acpi_node_prop_get(struct fwnode_handle *fwnode, const char *propname, +int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, void **valptr); -int acpi_dev_prop_read_single(struct acpi_device *adev, const char *propname, - enum dev_prop_type proptype, void *val); -int acpi_node_prop_read(struct fwnode_handle *fwnode, const char *propname, - enum dev_prop_type proptype, void *val, size_t nval); -int acpi_dev_prop_read(struct acpi_device *adev, const char *propname, +int acpi_dev_prop_read_single(struct acpi_device *adev, + const char *propname, enum dev_prop_type proptype, + void *val); +int acpi_node_prop_read(const struct fwnode_handle *fwnode, + const char *propname, enum dev_prop_type proptype, + void *val, size_t nval); +int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, enum dev_prop_type proptype, void *val, size_t nval); -struct fwnode_handle *acpi_get_next_subnode(struct fwnode_handle *fwnode, +struct fwnode_handle *acpi_get_next_subnode(const struct fwnode_handle *fwnode, struct fwnode_handle *child); -struct fwnode_handle *acpi_node_get_parent(struct fwnode_handle *fwnode); +struct fwnode_handle *acpi_node_get_parent(const struct fwnode_handle *fwnode); -struct fwnode_handle *acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode, - struct fwnode_handle *prev); -int acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode, +struct fwnode_handle * +acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, + struct fwnode_handle *prev); +int acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, struct fwnode_handle **remote, struct fwnode_handle **port, struct fwnode_handle **endpoint); @@ -1104,35 +1131,36 @@ static inline int acpi_dev_get_property(struct acpi_device *adev, } static inline int -__acpi_node_get_property_reference(struct fwnode_handle *fwnode, +__acpi_node_get_property_reference(const struct fwnode_handle *fwnode, const char *name, size_t index, size_t num_args, struct acpi_reference_args *args) { return -ENXIO; } -static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode, - const char *name, size_t index, - struct acpi_reference_args *args) +static inline int +acpi_node_get_property_reference(const struct fwnode_handle *fwnode, + const char *name, size_t index, + struct acpi_reference_args *args) { return -ENXIO; } -static inline int acpi_node_prop_get(struct fwnode_handle *fwnode, +static inline int acpi_node_prop_get(const struct fwnode_handle *fwnode, const char *propname, void **valptr) { return -ENXIO; } -static inline int acpi_dev_prop_get(struct acpi_device *adev, +static inline int acpi_dev_prop_get(const struct acpi_device *adev, const char *propname, void **valptr) { return -ENXIO; } -static inline int acpi_dev_prop_read_single(struct acpi_device *adev, +static inline int acpi_dev_prop_read_single(const struct acpi_device *adev, const char *propname, enum dev_prop_type proptype, void *val) @@ -1140,7 +1168,7 @@ static inline int acpi_dev_prop_read_single(struct acpi_device *adev, return -ENXIO; } -static inline int acpi_node_prop_read(struct fwnode_handle *fwnode, +static inline int acpi_node_prop_read(const struct fwnode_handle *fwnode, const char *propname, enum dev_prop_type proptype, void *val, size_t nval) @@ -1148,7 +1176,7 @@ static inline int acpi_node_prop_read(struct fwnode_handle *fwnode, return -ENXIO; } -static inline int acpi_dev_prop_read(struct acpi_device *adev, +static inline int acpi_dev_prop_read(const struct acpi_device *adev, const char *propname, enum dev_prop_type proptype, void *val, size_t nval) @@ -1157,26 +1185,27 @@ static inline int acpi_dev_prop_read(struct acpi_device *adev, } static inline struct fwnode_handle * -acpi_get_next_subnode(struct fwnode_handle *fwnode, struct fwnode_handle *child) +acpi_get_next_subnode(const struct fwnode_handle *fwnode, + struct fwnode_handle *child) { return NULL; } static inline struct fwnode_handle * -acpi_node_get_parent(struct fwnode_handle *fwnode) +acpi_node_get_parent(const struct fwnode_handle *fwnode) { return NULL; } static inline struct fwnode_handle * -acpi_graph_get_next_endpoint(struct fwnode_handle *fwnode, +acpi_graph_get_next_endpoint(const struct fwnode_handle *fwnode, struct fwnode_handle *prev) { return ERR_PTR(-ENXIO); } static inline int -acpi_graph_get_remote_endpoint(struct fwnode_handle *fwnode, +acpi_graph_get_remote_endpoint(const struct fwnode_handle *fwnode, struct fwnode_handle **remote, struct fwnode_handle **port, struct fwnode_handle **endpoint) diff --git a/include/linux/acpi_iort.h b/include/linux/acpi_iort.h index 8379d406ad2e..8d3f0bf80379 100644 --- a/include/linux/acpi_iort.h +++ b/include/linux/acpi_iort.h @@ -36,7 +36,7 @@ struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_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_set_dma_mask(struct device *dev); +void iort_dma_setup(struct device *dev, u64 *dma_addr, u64 *size); const struct iommu_ops *iort_iommu_configure(struct device *dev); #else static inline void acpi_iort_init(void) { } @@ -47,7 +47,8 @@ static inline struct irq_domain *iort_get_device_domain(struct device *dev, { return NULL; } static inline void acpi_configure_pmsi_domain(struct device *dev) { } /* IOMMU interface */ -static inline void iort_set_dma_mask(struct device *dev) { } +static inline void iort_dma_setup(struct device *dev, u64 *dma_addr, + u64 *size) { } static inline const struct iommu_ops *iort_iommu_configure(struct device *dev) { return NULL; } diff --git a/include/linux/arch_topology.h b/include/linux/arch_topology.h index 9af3c174c03a..716ce587247e 100644 --- a/include/linux/arch_topology.h +++ b/include/linux/arch_topology.h @@ -4,10 +4,12 @@ #ifndef _LINUX_ARCH_TOPOLOGY_H_ #define _LINUX_ARCH_TOPOLOGY_H_ +#include <linux/types.h> + void topology_normalize_cpu_scale(void); struct device_node; -int topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu); +bool topology_parse_cpu_capacity(struct device_node *cpu_node, int cpu); struct sched_domain; unsigned long topology_get_cpu_scale(struct sched_domain *sd, int cpu); diff --git a/include/linux/atomic.h b/include/linux/atomic.h index c56be7410130..40d6bfec0e0d 100644 --- a/include/linux/atomic.h +++ b/include/linux/atomic.h @@ -38,6 +38,9 @@ * Besides, if an arch has a special barrier for acquire/release, it could * implement its own __atomic_op_* and use the same framework for building * variants + * + * If an architecture overrides __atomic_op_acquire() it will probably want + * to define smp_mb__after_spinlock(). */ #ifndef __atomic_op_acquire #define __atomic_op_acquire(op, args...) \ diff --git a/include/linux/bitrev.h b/include/linux/bitrev.h index fb790b8449c1..b97be27e5a85 100644 --- a/include/linux/bitrev.h +++ b/include/linux/bitrev.h @@ -29,6 +29,8 @@ static inline u32 __bitrev32(u32 x) #endif /* CONFIG_HAVE_ARCH_BITREVERSE */ +#define __bitrev8x4(x) (__bitrev32(swab32(x))) + #define __constant_bitrev32(x) \ ({ \ u32 __x = x; \ @@ -50,6 +52,15 @@ static inline u32 __bitrev32(u32 x) __x; \ }) +#define __constant_bitrev8x4(x) \ +({ \ + u32 __x = x; \ + __x = ((__x & (u32)0xF0F0F0F0UL) >> 4) | ((__x & (u32)0x0F0F0F0FUL) << 4); \ + __x = ((__x & (u32)0xCCCCCCCCUL) >> 2) | ((__x & (u32)0x33333333UL) << 2); \ + __x = ((__x & (u32)0xAAAAAAAAUL) >> 1) | ((__x & (u32)0x55555555UL) << 1); \ + __x; \ +}) + #define __constant_bitrev8(x) \ ({ \ u8 __x = x; \ @@ -75,6 +86,14 @@ static inline u32 __bitrev32(u32 x) __bitrev16(__x); \ }) +#define bitrev8x4(x) \ +({ \ + u32 __x = x; \ + __builtin_constant_p(__x) ? \ + __constant_bitrev8x4(__x) : \ + __bitrev8x4(__x); \ + }) + #define bitrev8(x) \ ({ \ u8 __x = x; \ diff --git a/include/linux/blk-mq-rdma.h b/include/linux/blk-mq-rdma.h new file mode 100644 index 000000000000..b4ade198007d --- /dev/null +++ b/include/linux/blk-mq-rdma.h @@ -0,0 +1,10 @@ +#ifndef _LINUX_BLK_MQ_RDMA_H +#define _LINUX_BLK_MQ_RDMA_H + +struct blk_mq_tag_set; +struct ib_device; + +int blk_mq_rdma_map_queues(struct blk_mq_tag_set *set, + struct ib_device *dev, int first_vec); + +#endif /* _LINUX_BLK_MQ_RDMA_H */ diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 2a5d52fa90f5..4b99b13c7e68 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -134,7 +134,7 @@ typedef __u32 __bitwise req_flags_t; struct request { struct list_head queuelist; union { - struct call_single_data csd; + call_single_data_t csd; u64 fifo_time; }; diff --git a/include/linux/compat.h b/include/linux/compat.h index 5a6a109b4a50..3fc433303d7a 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -27,7 +27,7 @@ #endif #ifndef __SC_DELOUSE -#define __SC_DELOUSE(t,v) ((t)(unsigned long)(v)) +#define __SC_DELOUSE(t,v) ((__force t)(unsigned long)(v)) #endif #define COMPAT_SYSCALL_DEFINE0(name) \ @@ -365,10 +365,10 @@ asmlinkage ssize_t compat_sys_pwritev(compat_ulong_t fd, compat_ulong_t vlen, u32 pos_low, u32 pos_high); asmlinkage ssize_t compat_sys_preadv2(compat_ulong_t fd, const struct compat_iovec __user *vec, - compat_ulong_t vlen, u32 pos_low, u32 pos_high, int flags); + compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); asmlinkage ssize_t compat_sys_pwritev2(compat_ulong_t fd, const struct compat_iovec __user *vec, - compat_ulong_t vlen, u32 pos_low, u32 pos_high, int flags); + compat_ulong_t vlen, u32 pos_low, u32 pos_high, rwf_t flags); #ifdef __ARCH_WANT_COMPAT_SYS_PREADV64 asmlinkage long compat_sys_preadv64(unsigned long fd, @@ -382,6 +382,18 @@ asmlinkage long compat_sys_pwritev64(unsigned long fd, unsigned long vlen, loff_t pos); #endif +#ifdef __ARCH_WANT_COMPAT_SYS_PREADV64V2 +asmlinkage long compat_sys_readv64v2(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos, rwf_t flags); +#endif + +#ifdef __ARCH_WANT_COMPAT_SYS_PWRITEV64V2 +asmlinkage long compat_sys_pwritev64v2(unsigned long fd, + const struct compat_iovec __user *vec, + unsigned long vlen, loff_t pos, rwf_t flags); +#endif + asmlinkage long compat_sys_lseek(unsigned int, compat_off_t, unsigned int); asmlinkage long compat_sys_execve(const char __user *filename, const compat_uptr_t __user *argv, diff --git a/include/linux/compiler-gcc.h b/include/linux/compiler-gcc.h index bdb80c4aef6e..16d41de92ee3 100644 --- a/include/linux/compiler-gcc.h +++ b/include/linux/compiler-gcc.h @@ -166,6 +166,8 @@ #if GCC_VERSION >= 40100 # define __compiletime_object_size(obj) __builtin_object_size(obj, 0) + +#define __nostackprotector __attribute__((__optimize__("no-stack-protector"))) #endif #if GCC_VERSION >= 40300 @@ -201,17 +203,6 @@ #endif #endif -#ifdef CONFIG_STACK_VALIDATION -#define annotate_unreachable() ({ \ - asm("%c0:\t\n" \ - ".pushsection .discard.unreachable\t\n" \ - ".long %c0b - .\t\n" \ - ".popsection\t\n" : : "i" (__LINE__)); \ -}) -#else -#define annotate_unreachable() -#endif - /* * Mark a position in code as unreachable. This can be used to * suppress control flow warnings after asm blocks that transfer diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 043b60de041e..e95a2631e545 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -185,8 +185,34 @@ void ftrace_likely_update(struct ftrace_likely_data *f, int val, #endif /* Unreachable code */ +#ifdef CONFIG_STACK_VALIDATION +#define annotate_reachable() ({ \ + asm("%c0:\n\t" \ + ".pushsection .discard.reachable\n\t" \ + ".long %c0b - .\n\t" \ + ".popsection\n\t" : : "i" (__LINE__)); \ +}) +#define annotate_unreachable() ({ \ + asm("%c0:\n\t" \ + ".pushsection .discard.unreachable\n\t" \ + ".long %c0b - .\n\t" \ + ".popsection\n\t" : : "i" (__LINE__)); \ +}) +#define ASM_UNREACHABLE \ + "999:\n\t" \ + ".pushsection .discard.unreachable\n\t" \ + ".long 999b - .\n\t" \ + ".popsection\n\t" +#else +#define annotate_reachable() +#define annotate_unreachable() +#endif + +#ifndef ASM_UNREACHABLE +# define ASM_UNREACHABLE +#endif #ifndef unreachable -# define unreachable() do { } while (1) +# define unreachable() do { annotate_reachable(); do { } while (1); } while (0) #endif /* @@ -475,6 +501,10 @@ static __always_inline void __write_once_size(volatile void *p, void *res, int s #define __visible #endif +#ifndef __nostackprotector +# define __nostackprotector +#endif + /* * Assume alignment of return value. */ diff --git a/include/linux/completion.h b/include/linux/completion.h index 5d5aaae3af43..cae5400022a3 100644 --- a/include/linux/completion.h +++ b/include/linux/completion.h @@ -9,6 +9,9 @@ */ #include <linux/wait.h> +#ifdef CONFIG_LOCKDEP_COMPLETIONS +#include <linux/lockdep.h> +#endif /* * struct completion - structure used to maintain state for a "completion" @@ -25,13 +28,53 @@ struct completion { unsigned int done; wait_queue_head_t wait; +#ifdef CONFIG_LOCKDEP_COMPLETIONS + struct lockdep_map_cross map; +#endif }; +#ifdef CONFIG_LOCKDEP_COMPLETIONS +static inline void complete_acquire(struct completion *x) +{ + lock_acquire_exclusive((struct lockdep_map *)&x->map, 0, 0, NULL, _RET_IP_); +} + +static inline void complete_release(struct completion *x) +{ + lock_release((struct lockdep_map *)&x->map, 0, _RET_IP_); +} + +static inline void complete_release_commit(struct completion *x) +{ + lock_commit_crosslock((struct lockdep_map *)&x->map); +} + +#define init_completion(x) \ +do { \ + static struct lock_class_key __key; \ + lockdep_init_map_crosslock((struct lockdep_map *)&(x)->map, \ + "(complete)" #x, \ + &__key, 0); \ + __init_completion(x); \ +} while (0) +#else +#define init_completion(x) __init_completion(x) +static inline void complete_acquire(struct completion *x) {} +static inline void complete_release(struct completion *x) {} +static inline void complete_release_commit(struct completion *x) {} +#endif + +#ifdef CONFIG_LOCKDEP_COMPLETIONS +#define COMPLETION_INITIALIZER(work) \ + { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait), \ + STATIC_CROSS_LOCKDEP_MAP_INIT("(complete)" #work, &(work)) } +#else #define COMPLETION_INITIALIZER(work) \ { 0, __WAIT_QUEUE_HEAD_INITIALIZER((work).wait) } +#endif #define COMPLETION_INITIALIZER_ONSTACK(work) \ - ({ init_completion(&work); work; }) + (*({ init_completion(&work); &work; })) /** * DECLARE_COMPLETION - declare and initialize a completion structure @@ -70,7 +113,7 @@ struct completion { * This inline function will initialize a dynamically created completion * structure. */ -static inline void init_completion(struct completion *x) +static inline void __init_completion(struct completion *x) { x->done = 0; init_waitqueue_head(&x->wait); diff --git a/include/linux/coresight-pmu.h b/include/linux/coresight-pmu.h index 7d410260661b..edfeaba95429 100644 --- a/include/linux/coresight-pmu.h +++ b/include/linux/coresight-pmu.h @@ -24,6 +24,12 @@ /* ETMv3.5/PTM's ETMCR config bit */ #define ETM_OPT_CYCACC 12 #define ETM_OPT_TS 28 +#define ETM_OPT_RETSTK 29 + +/* ETMv4 CONFIGR programming bits for the ETM OPTs */ +#define ETM4_CFG_BIT_CYCACC 4 +#define ETM4_CFG_BIT_TS 11 +#define ETM4_CFG_BIT_RETSTK 12 static inline int coresight_get_trace_id(int cpu) { diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index f10a9b3761cd..537ff842ff73 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -127,6 +127,15 @@ struct cpufreq_policy { */ unsigned int transition_delay_us; + /* + * Remote DVFS flag (Not added to the driver structure as we don't want + * to access another structure from scheduler hotpath). + * + * Should be set if CPUs can do DVFS on behalf of other CPUs from + * different cpufreq policies. + */ + bool dvfs_possible_from_any_cpu; + /* Cached frequency lookup from cpufreq_driver_resolve_freq. */ unsigned int cached_target_freq; int cached_resolved_idx; @@ -370,6 +379,12 @@ struct cpufreq_driver { */ #define CPUFREQ_NEED_INITIAL_FREQ_CHECK (1 << 5) +/* + * Set by drivers to disallow use of governors with "dynamic_switching" flag + * set. + */ +#define CPUFREQ_NO_AUTO_DYNAMIC_SWITCHING (1 << 6) + int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); @@ -487,14 +502,8 @@ static inline unsigned long cpufreq_scale(unsigned long old, u_int div, * polling frequency is 1000 times the transition latency of the processor. The * ondemand governor will work on any processor with transition latency <= 10ms, * using appropriate sampling rate. - * - * For CPUs with transition latency > 10ms (mostly drivers with CPUFREQ_ETERNAL) - * the ondemand governor will not work. All times here are in us (microseconds). */ -#define MIN_SAMPLING_RATE_RATIO (2) #define LATENCY_MULTIPLIER (1000) -#define MIN_LATENCY_MULTIPLIER (20) -#define TRANSITION_LATENCY_LIMIT (10 * 1000 * 1000) struct cpufreq_governor { char name[CPUFREQ_NAME_LEN]; @@ -507,9 +516,8 @@ struct cpufreq_governor { char *buf); int (*store_setspeed) (struct cpufreq_policy *policy, unsigned int freq); - unsigned int max_transition_latency; /* HW must be able to switch to - next freq faster than this value in nano secs or we - will fallback to performance governor */ + /* For governors which change frequency dynamically by themselves */ + bool dynamic_switching; struct list_head governor_list; struct module *owner; }; @@ -525,6 +533,7 @@ int __cpufreq_driver_target(struct cpufreq_policy *policy, unsigned int relation); unsigned int cpufreq_driver_resolve_freq(struct cpufreq_policy *policy, unsigned int target_freq); +unsigned int cpufreq_policy_transition_delay_us(struct cpufreq_policy *policy); int cpufreq_register_governor(struct cpufreq_governor *governor); void cpufreq_unregister_governor(struct cpufreq_governor *governor); @@ -562,6 +571,17 @@ struct governor_attr { size_t count); }; +static inline bool cpufreq_can_do_remote_dvfs(struct cpufreq_policy *policy) +{ + /* + * Allow remote callbacks if: + * - dvfs_possible_from_any_cpu flag is set + * - the local and remote CPUs share cpufreq policy + */ + return policy->dvfs_possible_from_any_cpu || + cpumask_test_cpu(smp_processor_id(), policy->cpus); +} + /********************************************************************* * FREQUENCY TABLE HELPERS * *********************************************************************/ diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index fc1e5d7fc1c7..8f7788d23b57 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -52,17 +52,18 @@ struct cpuidle_state { int (*enter_dead) (struct cpuidle_device *dev, int index); /* - * CPUs execute ->enter_freeze with the local tick or entire timekeeping + * CPUs execute ->enter_s2idle with the local tick or entire timekeeping * suspended, so it must not re-enable interrupts at any point (even * temporarily) or attempt to change states of clock event devices. */ - void (*enter_freeze) (struct cpuidle_device *dev, + void (*enter_s2idle) (struct cpuidle_device *dev, struct cpuidle_driver *drv, int index); }; /* Idle State Flags */ #define CPUIDLE_FLAG_NONE (0x00) +#define CPUIDLE_FLAG_POLLING (0x01) /* polling state */ #define CPUIDLE_FLAG_COUPLED (0x02) /* state applies to multiple cpus */ #define CPUIDLE_FLAG_TIMER_STOP (0x04) /* timer is stopped on this state */ @@ -197,14 +198,14 @@ static inline struct cpuidle_device *cpuidle_get_device(void) {return NULL; } #ifdef CONFIG_CPU_IDLE extern int cpuidle_find_deepest_state(struct cpuidle_driver *drv, struct cpuidle_device *dev); -extern int cpuidle_enter_freeze(struct cpuidle_driver *drv, +extern int cpuidle_enter_s2idle(struct cpuidle_driver *drv, struct cpuidle_device *dev); extern void cpuidle_use_deepest_state(bool enable); #else static inline int cpuidle_find_deepest_state(struct cpuidle_driver *drv, struct cpuidle_device *dev) {return -ENODEV; } -static inline int cpuidle_enter_freeze(struct cpuidle_driver *drv, +static inline int cpuidle_enter_s2idle(struct cpuidle_driver *drv, struct cpuidle_device *dev) {return -ENODEV; } static inline void cpuidle_use_deepest_state(bool enable) @@ -224,6 +225,12 @@ static inline void cpuidle_coupled_parallel_barrier(struct cpuidle_device *dev, } #endif +#ifdef CONFIG_ARCH_HAS_CPU_RELAX +void cpuidle_poll_state_init(struct cpuidle_driver *drv); +#else +static inline void cpuidle_poll_state_init(struct cpuidle_driver *drv) {} +#endif + /****************************** * CPUIDLE GOVERNOR INTERFACE * ******************************/ @@ -250,12 +257,6 @@ static inline int cpuidle_register_governor(struct cpuidle_governor *gov) {return 0;} #endif -#ifdef CONFIG_ARCH_HAS_CPU_RELAX -#define CPUIDLE_DRIVER_STATE_START 1 -#else -#define CPUIDLE_DRIVER_STATE_START 0 -#endif - #define CPU_PM_CPU_IDLE_ENTER(low_level_idle_enter, idx) \ ({ \ int __ret; \ diff --git a/include/linux/cpuset.h b/include/linux/cpuset.h index 898cfe2eeb42..e74655d941b7 100644 --- a/include/linux/cpuset.h +++ b/include/linux/cpuset.h @@ -37,12 +37,6 @@ static inline bool cpusets_enabled(void) return static_branch_unlikely(&cpusets_enabled_key); } -static inline int nr_cpusets(void) -{ - /* jump label reference count + the top-level cpuset */ - return static_key_count(&cpusets_enabled_key.key) + 1; -} - static inline void cpuset_inc(void) { static_branch_inc(&cpusets_pre_enable_key); diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index aa86e6d8c1aa..b93efc8feecd 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -196,6 +196,14 @@ static inline struct dentry *debugfs_create_file(const char *name, umode_t mode, return ERR_PTR(-ENODEV); } +static inline struct dentry *debugfs_create_file_unsafe(const char *name, + umode_t mode, struct dentry *parent, + void *data, + const struct file_operations *fops) +{ + return ERR_PTR(-ENODEV); +} + static inline struct dentry *debugfs_create_file_size(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops, @@ -289,6 +297,14 @@ static inline struct dentry *debugfs_create_u64(const char *name, umode_t mode, return ERR_PTR(-ENODEV); } +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 struct dentry *debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value) diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index 6c220e4ebb6b..597294e0cc40 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -214,19 +214,6 @@ extern void devm_devfreq_unregister_notifier(struct device *dev, extern struct devfreq *devfreq_get_devfreq_by_phandle(struct device *dev, int index); -/** - * devfreq_update_stats() - update the last_status pointer in struct devfreq - * @df: the devfreq instance whose status needs updating - * - * Governors are recommended to use this function along with last_status, - * which allows other entities to reuse the last_status without affecting - * the values fetched later by governors. - */ -static inline int devfreq_update_stats(struct devfreq *df) -{ - return df->profile->get_dev_status(df->dev.parent, &df->last_status); -} - #if IS_ENABLED(CONFIG_DEVFREQ_GOV_SIMPLE_ONDEMAND) /** * struct devfreq_simple_ondemand_data - void *data fed to struct devfreq diff --git a/include/linux/device.h b/include/linux/device.h index beabdbc08420..c6f27207dbe8 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -375,7 +375,7 @@ int subsys_virtual_register(struct bus_type *subsys, * @suspend: Used to put the device to sleep mode, usually to a low power * state. * @resume: Used to bring the device from the sleep mode. - * @shutdown: Called at shut-down time to quiesce the device. + * @shutdown_pre: Called at shut-down time before driver shutdown. * @ns_type: Callbacks so sysfs can detemine namespaces. * @namespace: Namespace of the device belongs to this class. * @pm: The default device power management operations of this class. @@ -404,7 +404,7 @@ struct class { int (*suspend)(struct device *dev, pm_message_t state); int (*resume)(struct device *dev); - int (*shutdown)(struct device *dev); + int (*shutdown_pre)(struct device *dev); const struct kobj_ns_type_operations *ns_type; const void *(*namespace)(struct device *dev); @@ -847,6 +847,7 @@ struct dev_links_info { * @msi_list: Hosts MSI descriptors * @msi_domain: The generic MSI domain this device is using. * @numa_node: NUMA node this device is close to. + * @dma_ops: DMA mapping operations for this device. * @dma_mask: Dma mask (if dma'ble device). * @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all * hardware supports 64-bit addresses for consistent allocations @@ -1200,6 +1201,36 @@ struct device *device_create_with_groups(struct class *cls, const char *fmt, ...); extern void device_destroy(struct class *cls, dev_t devt); +extern int __must_check device_add_groups(struct device *dev, + const struct attribute_group **groups); +extern void device_remove_groups(struct device *dev, + const struct attribute_group **groups); + +static inline int __must_check device_add_group(struct device *dev, + const struct attribute_group *grp) +{ + const struct attribute_group *groups[] = { grp, NULL }; + + return device_add_groups(dev, groups); +} + +static inline void device_remove_group(struct device *dev, + const struct attribute_group *grp) +{ + const struct attribute_group *groups[] = { grp, NULL }; + + return device_remove_groups(dev, groups); +} + +extern int __must_check devm_device_add_groups(struct device *dev, + const struct attribute_group **groups); +extern void devm_device_remove_groups(struct device *dev, + const struct attribute_group **groups); +extern int __must_check devm_device_add_group(struct device *dev, + const struct attribute_group *grp); +extern void devm_device_remove_group(struct device *dev, + const struct attribute_group *grp); + /* * Platform "fixup" functions - allow the platform to have their say * about devices and actions that the general device layer doesn't diff --git a/include/linux/dma-fence.h b/include/linux/dma-fence.h index 0a186c4f3981..171895072435 100644 --- a/include/linux/dma-fence.h +++ b/include/linux/dma-fence.h @@ -338,6 +338,19 @@ dma_fence_is_signaled(struct dma_fence *fence) } /** + * __dma_fence_is_later - return if f1 is chronologically later than f2 + * @f1: [in] the first fence's seqno + * @f2: [in] the second fence's seqno from the same context + * + * Returns true if f1 is chronologically later than f2. Both fences must be + * from the same context, since a seqno is not common across contexts. + */ +static inline bool __dma_fence_is_later(u32 f1, u32 f2) +{ + return (int)(f1 - f2) > 0; +} + +/** * dma_fence_is_later - return if f1 is chronologically later than f2 * @f1: [in] the first fence from the same context * @f2: [in] the second fence from the same context @@ -351,7 +364,7 @@ static inline bool dma_fence_is_later(struct dma_fence *f1, if (WARN_ON(f1->context != f2->context)) return false; - return (int)(f1->seqno - f2->seqno) > 0; + return __dma_fence_is_later(f1->seqno, f2->seqno); } /** @@ -418,8 +431,8 @@ int dma_fence_get_status(struct dma_fence *fence); static inline void dma_fence_set_error(struct dma_fence *fence, int error) { - BUG_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)); - BUG_ON(error >= 0 || error < -MAX_ERRNO); + WARN_ON(test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)); + WARN_ON(error >= 0 || error < -MAX_ERRNO); fence->error = error; } diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 03c0196a6f24..2189c79cde5d 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -10,6 +10,7 @@ #include <linux/scatterlist.h> #include <linux/kmemcheck.h> #include <linux/bug.h> +#include <linux/mem_encrypt.h> /** * List of possible attributes associated with a DMA mapping. The semantics @@ -572,6 +573,12 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) return 0; } +static inline void dma_check_mask(struct device *dev, u64 mask) +{ + if (sme_active() && (mask < (((u64)sme_get_me_mask() << 1) - 1))) + dev_warn(dev, "SME is active, device will require DMA bounce buffers\n"); +} + static inline int dma_supported(struct device *dev, u64 mask) { const struct dma_map_ops *ops = get_dma_ops(dev); @@ -588,6 +595,9 @@ static inline int dma_set_mask(struct device *dev, u64 mask) { if (!dev->dma_mask || !dma_supported(dev, mask)) return -EIO; + + dma_check_mask(dev, mask); + *dev->dma_mask = mask; return 0; } @@ -607,6 +617,9 @@ static inline int dma_set_coherent_mask(struct device *dev, u64 mask) { if (!dma_supported(dev, mask)) return -EIO; + + dma_check_mask(dev, mask); + dev->coherent_dma_mask = mask; return 0; } diff --git a/include/linux/edac.h b/include/linux/edac.h index 8ae0f45fafd6..cd75c173fd00 100644 --- a/include/linux/edac.h +++ b/include/linux/edac.h @@ -619,7 +619,6 @@ struct mem_ctl_info { */ struct device *pdev; const char *mod_name; - const char *mod_ver; const char *ctl_name; const char *dev_name; void *pvt_info; diff --git a/include/linux/eeprom_93xx46.h b/include/linux/eeprom_93xx46.h index 885f587a3555..915898759280 100644 --- a/include/linux/eeprom_93xx46.h +++ b/include/linux/eeprom_93xx46.h @@ -2,8 +2,7 @@ * Module: eeprom_93xx46 * platform description for 93xx46 EEPROMs. */ - -struct gpio_desc; +#include <linux/gpio/consumer.h> struct eeprom_93xx46_platform_data { unsigned char flags; diff --git a/include/linux/efi.h b/include/linux/efi.h index 8269bcb8ccf7..4102b85217d5 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -985,7 +985,7 @@ static inline void efi_esrt_init(void) { } extern int efi_config_parse_tables(void *config_tables, int count, int sz, efi_config_table_type_t *arch_tables); extern u64 efi_get_iobase (void); -extern u32 efi_mem_type (unsigned long phys_addr); +extern int efi_mem_type(unsigned long phys_addr); extern u64 efi_mem_attributes (unsigned long phys_addr); extern u64 efi_mem_attribute (unsigned long phys_addr, unsigned long size); extern int __init efi_uart_console_only (void); @@ -1020,6 +1020,28 @@ extern int efi_memattr_init(void); extern int efi_memattr_apply_permissions(struct mm_struct *mm, efi_memattr_perm_setter fn); +/* + * efi_early_memdesc_ptr - get the n-th EFI memmap descriptor + * @map: the start of efi memmap + * @desc_size: the size of space for each EFI memmap descriptor + * @n: the index of efi memmap descriptor + * + * EFI boot service provides the GetMemoryMap() function to get a copy of the + * current memory map which is an array of memory descriptors, each of + * which describes a contiguous block of memory. It also gets the size of the + * map, and the size of each descriptor, etc. + * + * Note that per section 6.2 of UEFI Spec 2.6 Errata A, the returned size of + * each descriptor might not be equal to sizeof(efi_memory_memdesc_t), + * since efi_memory_memdesc_t may be extended in the future. Thus the OS + * MUST use the returned size of the descriptor to find the start of each + * efi_memory_memdesc_t in the memory map array. This should only be used + * during bootup since for_each_efi_memory_desc_xxx() is available after the + * kernel initializes the EFI subsystem to set up struct efi_memory_map. + */ +#define efi_early_memdesc_ptr(map, desc_size, n) \ + (efi_memory_desc_t *)((void *)(map) + ((n) * (desc_size))) + /* Iterate through an efi_memory_map */ #define for_each_efi_memory_desc_in_map(m, md) \ for ((md) = (m)->map; \ @@ -1091,6 +1113,8 @@ static inline bool efi_enabled(int feature) return test_bit(feature, &efi.flags) != 0; } extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused); + +extern bool efi_is_table_address(unsigned long phys_addr); #else static inline bool efi_enabled(int feature) { @@ -1104,6 +1128,11 @@ efi_capsule_pending(int *reset_type) { return false; } + +static inline bool efi_is_table_address(unsigned long phys_addr) +{ + return false; +} #endif extern int efi_status_to_err(efi_status_t status); diff --git a/include/linux/errseq.h b/include/linux/errseq.h index 9e0d444ac88d..f746bd8fe4d0 100644 --- a/include/linux/errseq.h +++ b/include/linux/errseq.h @@ -1,18 +1,12 @@ +/* + * See Documentation/errseq.rst and lib/errseq.c + */ #ifndef _LINUX_ERRSEQ_H #define _LINUX_ERRSEQ_H -/* See lib/errseq.c for more info */ - typedef u32 errseq_t; -errseq_t __errseq_set(errseq_t *eseq, int err); -static inline void errseq_set(errseq_t *eseq, int err) -{ - /* Optimize for the common case of no error */ - if (unlikely(err)) - __errseq_set(eseq, err); -} - +errseq_t errseq_set(errseq_t *eseq, int err); errseq_t errseq_sample(errseq_t *eseq); int errseq_check(errseq_t *eseq, errseq_t since); int errseq_check_and_advance(errseq_t *eseq, errseq_t *since); diff --git a/include/linux/extcon.h b/include/linux/extcon.h index 7e206a9f88db..744d60ca80c3 100644 --- a/include/linux/extcon.h +++ b/include/linux/extcon.h @@ -1,5 +1,5 @@ /* - * External connector (extcon) class driver + * External Connector (extcon) framework * * Copyright (C) 2015 Samsung Electronics * Author: Chanwoo Choi <cw00.choi@samsung.com> @@ -20,8 +20,7 @@ * 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 __LINUX_EXTCON_H__ #define __LINUX_EXTCON_H__ @@ -93,7 +92,7 @@ #define EXTCON_NUM 63 /* - * Define the property of supported external connectors. + * Define the properties of supported external connectors. * * When adding the new extcon property, they *must* have * the type/value/default information. Also, you *have to* @@ -176,44 +175,42 @@ struct extcon_dev; #if IS_ENABLED(CONFIG_EXTCON) -/* - * Following APIs are for notifiers or configurations. - * Notifiers are the external port and connection devices. - */ +/* Following APIs register/unregister the extcon device. */ extern int extcon_dev_register(struct extcon_dev *edev); extern void extcon_dev_unregister(struct extcon_dev *edev); extern int devm_extcon_dev_register(struct device *dev, - struct extcon_dev *edev); + struct extcon_dev *edev); extern void devm_extcon_dev_unregister(struct device *dev, - struct extcon_dev *edev); -extern struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name); + struct extcon_dev *edev); -/* - * Following APIs control the memory of extcon device. - */ +/* Following APIs allocate/free the memory of the extcon device. */ extern struct extcon_dev *extcon_dev_allocate(const unsigned int *cable); extern void extcon_dev_free(struct extcon_dev *edev); extern struct extcon_dev *devm_extcon_dev_allocate(struct device *dev, - const unsigned int *cable); + const unsigned int *cable); extern void devm_extcon_dev_free(struct device *dev, struct extcon_dev *edev); +/* Synchronize the state and property value for each external connector. */ +extern int extcon_sync(struct extcon_dev *edev, unsigned int id); + /* - * get/set_state access each bit of the 32b encoded state value. - * They are used to access the status of each cable based on the cable id. + * Following APIs get/set the connected state of each external connector. + * The 'id' argument indicates the defined external connector. */ extern int extcon_get_state(struct extcon_dev *edev, unsigned int id); extern int extcon_set_state(struct extcon_dev *edev, unsigned int id, - bool cable_state); + bool state); extern int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, - bool cable_state); -/* - * Synchronize the state and property data for a specific external connector. - */ -extern int extcon_sync(struct extcon_dev *edev, unsigned int id); + bool state); /* - * get/set_property access the property value of each external connector. - * They are used to access the property of each cable based on the property id. + * Following APIs get/set the property of each external connector. + * The 'id' argument indicates the defined external connector + * and the 'prop' indicates the extcon property. + * + * And extcon_get/set_property_capability() set the capability of the property + * for each external connector. They are used to set the capability of the + * property of each external connector based on the id and property. */ extern int extcon_get_property(struct extcon_dev *edev, unsigned int id, unsigned int prop, @@ -224,28 +221,24 @@ extern int extcon_set_property(struct extcon_dev *edev, unsigned int id, extern int extcon_set_property_sync(struct extcon_dev *edev, unsigned int id, unsigned int prop, union extcon_property_value prop_val); - -/* - * get/set_property_capability set the capability of the property for each - * external connector. They are used to set the capability of the property - * of each external connector based on the id and property. - */ extern int extcon_get_property_capability(struct extcon_dev *edev, unsigned int id, unsigned int prop); extern int extcon_set_property_capability(struct extcon_dev *edev, unsigned int id, unsigned int prop); /* - * Following APIs are to monitor the status change of the external connectors. + * Following APIs register the notifier block in order to detect + * the change of both state and property value for each external connector. + * * extcon_register_notifier(*edev, id, *nb) : Register a notifier block * for specific external connector of the extcon. * extcon_register_notifier_all(*edev, *nb) : Register a notifier block * for all supported external connectors of the extcon. */ extern int extcon_register_notifier(struct extcon_dev *edev, unsigned int id, - struct notifier_block *nb); + struct notifier_block *nb); extern int extcon_unregister_notifier(struct extcon_dev *edev, unsigned int id, - struct notifier_block *nb); + struct notifier_block *nb); extern int devm_extcon_register_notifier(struct device *dev, struct extcon_dev *edev, unsigned int id, struct notifier_block *nb); @@ -265,16 +258,15 @@ extern void devm_extcon_unregister_notifier_all(struct device *dev, struct notifier_block *nb); /* - * Following API get the extcon device from devicetree. - * This function use phandle of devicetree to get extcon device directly. + * Following APIs get the extcon_dev from devicetree or by through extcon name. */ +extern struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name); extern struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, int index); -/* Following API to get information of extcon device */ +/* Following API get the name of extcon device. */ extern const char *extcon_get_edev_name(struct extcon_dev *edev); - #else /* CONFIG_EXTCON */ static inline int extcon_dev_register(struct extcon_dev *edev) { @@ -284,13 +276,13 @@ static inline int extcon_dev_register(struct extcon_dev *edev) static inline void extcon_dev_unregister(struct extcon_dev *edev) { } static inline int devm_extcon_dev_register(struct device *dev, - struct extcon_dev *edev) + struct extcon_dev *edev) { return -EINVAL; } static inline void devm_extcon_dev_unregister(struct device *dev, - struct extcon_dev *edev) { } + struct extcon_dev *edev) { } static inline struct extcon_dev *extcon_dev_allocate(const unsigned int *cable) { @@ -300,7 +292,7 @@ static inline struct extcon_dev *extcon_dev_allocate(const unsigned int *cable) static inline void extcon_dev_free(struct extcon_dev *edev) { } static inline struct extcon_dev *devm_extcon_dev_allocate(struct device *dev, - const unsigned int *cable) + const unsigned int *cable) { return ERR_PTR(-ENOSYS); } @@ -314,13 +306,13 @@ static inline int extcon_get_state(struct extcon_dev *edev, unsigned int id) } static inline int extcon_set_state(struct extcon_dev *edev, unsigned int id, - bool cable_state) + bool state) { return 0; } static inline int extcon_set_state_sync(struct extcon_dev *edev, unsigned int id, - bool cable_state) + bool state) { return 0; } @@ -331,52 +323,45 @@ static inline int extcon_sync(struct extcon_dev *edev, unsigned int id) } static inline int extcon_get_property(struct extcon_dev *edev, unsigned int id, - unsigned int prop, - union extcon_property_value *prop_val) + unsigned int prop, + union extcon_property_value *prop_val) { return 0; } static inline int extcon_set_property(struct extcon_dev *edev, unsigned int id, - unsigned int prop, - union extcon_property_value prop_val) + unsigned int prop, + union extcon_property_value prop_val) { return 0; } static inline int extcon_set_property_sync(struct extcon_dev *edev, - unsigned int id, unsigned int prop, - union extcon_property_value prop_val) + unsigned int id, unsigned int prop, + union extcon_property_value prop_val) { return 0; } static inline int extcon_get_property_capability(struct extcon_dev *edev, - unsigned int id, unsigned int prop) + unsigned int id, unsigned int prop) { return 0; } static inline int extcon_set_property_capability(struct extcon_dev *edev, - unsigned int id, unsigned int prop) + unsigned int id, unsigned int prop) { return 0; } -static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name) -{ - return NULL; -} - static inline int extcon_register_notifier(struct extcon_dev *edev, - unsigned int id, - struct notifier_block *nb) + unsigned int id, struct notifier_block *nb) { return 0; } static inline int extcon_unregister_notifier(struct extcon_dev *edev, - unsigned int id, - struct notifier_block *nb) + unsigned int id, struct notifier_block *nb) { return 0; } @@ -392,8 +377,13 @@ static inline void devm_extcon_unregister_notifier(struct device *dev, struct extcon_dev *edev, unsigned int id, struct notifier_block *nb) { } +static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name) +{ + return ERR_PTR(-ENODEV); +} + static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev, - int index) + int index) { return ERR_PTR(-ENODEV); } @@ -411,26 +401,14 @@ struct extcon_specific_cable_nb { }; static inline int extcon_register_interest(struct extcon_specific_cable_nb *obj, - const char *extcon_name, const char *cable_name, - struct notifier_block *nb) + const char *extcon_name, const char *cable_name, + struct notifier_block *nb) { return -EINVAL; } -static inline int extcon_unregister_interest(struct extcon_specific_cable_nb - *obj) +static inline int extcon_unregister_interest(struct extcon_specific_cable_nb *obj) { return -EINVAL; } - -static inline int extcon_get_cable_state_(struct extcon_dev *edev, unsigned int id) -{ - return extcon_get_state(edev, id); -} - -static inline int extcon_set_cable_state_(struct extcon_dev *edev, unsigned int id, - bool cable_state) -{ - return extcon_set_state_sync(edev, id, cable_state); -} #endif /* __LINUX_EXTCON_H__ */ diff --git a/include/linux/fmc.h b/include/linux/fmc.h index a5f0aa5c2a8d..3dc8a1b2db7b 100644 --- a/include/linux/fmc.h +++ b/include/linux/fmc.h @@ -132,6 +132,8 @@ struct fmc_operations { uint32_t (*read32)(struct fmc_device *fmc, int offset); void (*write32)(struct fmc_device *fmc, uint32_t value, int offset); int (*validate)(struct fmc_device *fmc, struct fmc_driver *drv); + int (*reprogram_raw)(struct fmc_device *f, struct fmc_driver *d, + void *gw, unsigned long len); int (*reprogram)(struct fmc_device *f, struct fmc_driver *d, char *gw); int (*irq_request)(struct fmc_device *fmc, irq_handler_t h, char *name, int flags); @@ -144,6 +146,8 @@ struct fmc_operations { }; /* Prefer this helper rather than calling of fmc->reprogram directly */ +int fmc_reprogram_raw(struct fmc_device *fmc, struct fmc_driver *d, + void *gw, unsigned long len, int sdb_entry); extern int fmc_reprogram(struct fmc_device *f, struct fmc_driver *d, char *gw, int sdb_entry); @@ -180,6 +184,9 @@ struct fmc_device { uint32_t device_id; /* Filled by the device */ char *mezzanine_name; /* Defaults to ``fmc'' */ void *mezzanine_data; + + struct dentry *dbg_dir; + struct dentry *dbg_sdb_dump; }; #define to_fmc_device(x) container_of((x), struct fmc_device, dev) @@ -217,14 +224,23 @@ static inline void fmc_set_drvdata(struct fmc_device *fmc, void *data) dev_set_drvdata(&fmc->dev, data); } -/* The 4 access points */ +struct fmc_gateware { + void *bitstream; + unsigned long len; +}; + +/* The 5 access points */ extern int fmc_driver_register(struct fmc_driver *drv); extern void fmc_driver_unregister(struct fmc_driver *drv); extern int fmc_device_register(struct fmc_device *tdev); +extern int fmc_device_register_gw(struct fmc_device *tdev, + struct fmc_gateware *gw); extern void fmc_device_unregister(struct fmc_device *tdev); -/* Two more for device sets, all driven by the same FPGA */ +/* Three more for device sets, all driven by the same FPGA */ extern int fmc_device_register_n(struct fmc_device **devs, int n); +extern int fmc_device_register_n_gw(struct fmc_device **devs, int n, + struct fmc_gateware *gw); extern void fmc_device_unregister_n(struct fmc_device **devs, int n); /* Internal cross-calls between files; not exported to other modules */ @@ -232,6 +248,23 @@ extern int fmc_match(struct device *dev, struct device_driver *drv); extern int fmc_fill_id_info(struct fmc_device *fmc); extern void fmc_free_id_info(struct fmc_device *fmc); extern void fmc_dump_eeprom(const struct fmc_device *fmc); -extern void fmc_dump_sdb(const struct fmc_device *fmc); + +/* helpers for FMC operations */ +extern int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h, + char *name, int flags); +extern void fmc_irq_free(struct fmc_device *fmc); +extern void fmc_irq_ack(struct fmc_device *fmc); +extern int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv); +extern int fmc_gpio_config(struct fmc_device *fmc, struct fmc_gpio *gpio, + int ngpio); +extern int fmc_read_ee(struct fmc_device *fmc, int pos, void *d, int l); +extern int fmc_write_ee(struct fmc_device *fmc, int pos, const void *d, int l); + +/* helpers for FMC operations */ +extern int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h, + char *name, int flags); +extern void fmc_irq_free(struct fmc_device *fmc); +extern void fmc_irq_ack(struct fmc_device *fmc); +extern int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv); #endif /* __LINUX_FMC_H__ */ diff --git a/include/linux/fpga/fpga-mgr.h b/include/linux/fpga/fpga-mgr.h index b4ac24c4411d..bfa14bc023fb 100644 --- a/include/linux/fpga/fpga-mgr.h +++ b/include/linux/fpga/fpga-mgr.h @@ -67,10 +67,14 @@ enum fpga_mgr_states { * FPGA Manager flags * FPGA_MGR_PARTIAL_RECONFIG: do partial reconfiguration if supported * FPGA_MGR_EXTERNAL_CONFIG: FPGA has been configured prior to Linux booting + * FPGA_MGR_BITSTREAM_LSB_FIRST: SPI bitstream bit order is LSB first + * FPGA_MGR_COMPRESSED_BITSTREAM: FPGA bitstream is compressed */ #define FPGA_MGR_PARTIAL_RECONFIG BIT(0) #define FPGA_MGR_EXTERNAL_CONFIG BIT(1) #define FPGA_MGR_ENCRYPTED_BITSTREAM BIT(2) +#define FPGA_MGR_BITSTREAM_LSB_FIRST BIT(3) +#define FPGA_MGR_COMPRESSED_BITSTREAM BIT(4) /** * struct fpga_image_info - information specific to a FPGA image diff --git a/include/linux/fs.h b/include/linux/fs.h index cbfe127bccf8..5b744a3456c5 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -72,6 +72,8 @@ extern int leases_enable, lease_break_time; extern int sysctl_protected_symlinks; extern int sysctl_protected_hardlinks; +typedef __kernel_rwf_t rwf_t; + struct buffer_head; typedef int (get_block_t)(struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create); @@ -1000,7 +1002,6 @@ struct file_lock { unsigned char fl_type; unsigned int fl_pid; int fl_link_cpu; /* what cpu's list is this on? */ - struct pid *fl_nspid; wait_queue_head_t fl_wait; struct file *fl_file; loff_t fl_start; @@ -1758,9 +1759,9 @@ extern ssize_t __vfs_write(struct file *, const char __user *, size_t, loff_t *) extern ssize_t vfs_read(struct file *, char __user *, size_t, loff_t *); extern ssize_t vfs_write(struct file *, const char __user *, size_t, loff_t *); extern ssize_t vfs_readv(struct file *, const struct iovec __user *, - unsigned long, loff_t *, int); + unsigned long, loff_t *, rwf_t); extern ssize_t vfs_writev(struct file *, const struct iovec __user *, - unsigned long, loff_t *, int); + unsigned long, loff_t *, rwf_t); extern ssize_t vfs_copy_file_range(struct file *, loff_t , struct file *, loff_t, size_t, unsigned int); extern int vfs_clone_file_prep_inodes(struct inode *inode_in, loff_t pos_in, @@ -2471,9 +2472,13 @@ static inline void bd_unlink_disk_holder(struct block_device *bdev, #endif /* fs/char_dev.c */ -#define CHRDEV_MAJOR_HASH_SIZE 255 +#define CHRDEV_MAJOR_MAX 512 /* Marks the bottom of the first segment of free char majors */ #define CHRDEV_MAJOR_DYN_END 234 +/* Marks the top and bottom of the second segment of free char majors */ +#define CHRDEV_MAJOR_DYN_EXT_START 511 +#define CHRDEV_MAJOR_DYN_EXT_END 384 + extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *); extern int register_chrdev_region(dev_t, unsigned, const char *); extern int __register_chrdev(unsigned int major, unsigned int baseminor, @@ -2500,14 +2505,14 @@ static inline void unregister_chrdev(unsigned int major, const char *name) #define BDEVT_SIZE 10 /* Largest string for MAJ:MIN for blkdev */ #ifdef CONFIG_BLOCK -#define BLKDEV_MAJOR_HASH_SIZE 255 +#define BLKDEV_MAJOR_MAX 512 extern const char *__bdevname(dev_t, char *buffer); extern const char *bdevname(struct block_device *bdev, char *buffer); extern struct block_device *lookup_bdev(const char *); extern void blkdev_show(struct seq_file *,off_t); #else -#define BLKDEV_MAJOR_HASH_SIZE 0 +#define BLKDEV_MAJOR_MAX 0 #endif extern void init_special_inode(struct inode *, umode_t, dev_t); @@ -2539,12 +2544,19 @@ extern int invalidate_inode_pages2_range(struct address_space *mapping, extern int write_inode_now(struct inode *, int); extern int filemap_fdatawrite(struct address_space *); extern int filemap_flush(struct address_space *); -extern int filemap_fdatawait(struct address_space *); extern int filemap_fdatawait_keep_errors(struct address_space *mapping); extern int filemap_fdatawait_range(struct address_space *, loff_t lstart, loff_t lend); + +static inline int filemap_fdatawait(struct address_space *mapping) +{ + return filemap_fdatawait_range(mapping, 0, LLONG_MAX); +} + extern bool filemap_range_has_page(struct address_space *, loff_t lstart, loff_t lend); +extern int __must_check file_fdatawait_range(struct file *file, loff_t lstart, + loff_t lend); extern int filemap_write_and_wait(struct address_space *mapping); extern int filemap_write_and_wait_range(struct address_space *mapping, loff_t lstart, loff_t lend); @@ -2553,12 +2565,19 @@ extern int __filemap_fdatawrite_range(struct address_space *mapping, 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); + +extern int __must_check file_fdatawait_range(struct file *file, loff_t lstart, + loff_t lend); extern int __must_check file_check_and_advance_wb_err(struct file *file); extern int __must_check file_write_and_wait_range(struct file *file, loff_t start, loff_t end); +static inline int file_write_and_wait(struct file *file) +{ + return file_write_and_wait_range(file, 0, LLONG_MAX); +} + /** * filemap_set_wb_err - set a writeback error on an address_space * @mapping: mapping in which to set writeback error @@ -2572,8 +2591,6 @@ extern int __must_check file_write_and_wait_range(struct file *file, * When a writeback error occurs, most filesystems will want to call * filemap_set_wb_err to record the error in the mapping so that it will be * automatically reported whenever fsync is called on the file. - * - * FIXME: mention FS_* flag here? */ static inline void filemap_set_wb_err(struct address_space *mapping, int err) { @@ -2831,6 +2848,7 @@ static inline void lockdep_annotate_inode_mutex_key(struct inode *inode) { }; #endif extern void unlock_new_inode(struct inode *); extern unsigned int get_next_ino(void); +extern void evict_inodes(struct super_block *sb); extern void __iget(struct inode * inode); extern void iget_failed(struct inode *); @@ -2874,9 +2892,9 @@ extern ssize_t generic_file_direct_write(struct kiocb *, struct iov_iter *); extern ssize_t generic_perform_write(struct file *, struct iov_iter *, loff_t); ssize_t vfs_iter_read(struct file *file, struct iov_iter *iter, loff_t *ppos, - int flags); + rwf_t flags); ssize_t vfs_iter_write(struct file *file, struct iov_iter *iter, loff_t *ppos, - int flags); + rwf_t flags); /* fs/block_dev.c */ extern ssize_t blkdev_read_iter(struct kiocb *iocb, struct iov_iter *to); @@ -3143,7 +3161,7 @@ static inline int iocb_flags(struct file *file) return res; } -static inline int kiocb_set_rw_flags(struct kiocb *ki, int flags) +static inline int kiocb_set_rw_flags(struct kiocb *ki, rwf_t flags) { if (unlikely(flags & ~RWF_SUPPORTED)) return -EOPNOTSUPP; diff --git a/include/linux/futex.h b/include/linux/futex.h index 7c5b694864cd..f36bfd26f998 100644 --- a/include/linux/futex.h +++ b/include/linux/futex.h @@ -54,7 +54,6 @@ union futex_key { #ifdef CONFIG_FUTEX extern void exit_robust_list(struct task_struct *curr); -extern void exit_pi_state_list(struct task_struct *curr); #ifdef CONFIG_HAVE_FUTEX_CMPXCHG #define futex_cmpxchg_enabled 1 #else @@ -64,8 +63,14 @@ extern int futex_cmpxchg_enabled; static inline void exit_robust_list(struct task_struct *curr) { } +#endif + +#ifdef CONFIG_FUTEX_PI +extern void exit_pi_state_list(struct task_struct *curr); +#else static inline void exit_pi_state_list(struct task_struct *curr) { } #endif + #endif diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h index 50893a1646cf..0c35b6caf0f6 100644 --- a/include/linux/fwnode.h +++ b/include/linux/fwnode.h @@ -14,20 +14,9 @@ #include <linux/types.h> -enum fwnode_type { - FWNODE_INVALID = 0, - FWNODE_OF, - FWNODE_ACPI, - FWNODE_ACPI_DATA, - FWNODE_ACPI_STATIC, - FWNODE_PDATA, - FWNODE_IRQCHIP -}; - struct fwnode_operations; struct fwnode_handle { - enum fwnode_type type; struct fwnode_handle *secondary; const struct fwnode_operations *ops; }; @@ -44,6 +33,20 @@ struct fwnode_endpoint { const struct fwnode_handle *local_fwnode; }; +#define NR_FWNODE_REFERENCE_ARGS 8 + +/** + * struct fwnode_reference_args - Fwnode reference with additional arguments + * @fwnode:- A reference to the base fwnode + * @nargs: Number of elements in @args array + * @args: Integer arguments on the fwnode + */ +struct fwnode_reference_args { + struct fwnode_handle *fwnode; + unsigned int nargs; + unsigned int args[NR_FWNODE_REFERENCE_ARGS]; +}; + /** * struct fwnode_operations - Operations for fwnode interface * @get: Get a reference to an fwnode. @@ -57,6 +60,7 @@ struct fwnode_endpoint { * @get_parent: Return the parent of an fwnode. * @get_next_child_node: Return the next child node in an iteration. * @get_named_child_node: Return a child node with a given name. + * @get_reference_args: Return a reference pointed to by a property, with args * @graph_get_next_endpoint: Return an endpoint node in an iteration. * @graph_get_remote_endpoint: Return the remote endpoint node of a local * endpoint node. @@ -66,30 +70,36 @@ struct fwnode_endpoint { struct fwnode_operations { void (*get)(struct fwnode_handle *fwnode); void (*put)(struct fwnode_handle *fwnode); - bool (*device_is_available)(struct fwnode_handle *fwnode); - bool (*property_present)(struct fwnode_handle *fwnode, + bool (*device_is_available)(const struct fwnode_handle *fwnode); + bool (*property_present)(const struct fwnode_handle *fwnode, const char *propname); - int (*property_read_int_array)(struct fwnode_handle *fwnode, + int (*property_read_int_array)(const struct fwnode_handle *fwnode, const char *propname, unsigned int elem_size, void *val, size_t nval); - int (*property_read_string_array)(struct fwnode_handle *fwnode_handle, - const char *propname, - const char **val, size_t nval); - struct fwnode_handle *(*get_parent)(struct fwnode_handle *fwnode); + int + (*property_read_string_array)(const struct fwnode_handle *fwnode_handle, + const char *propname, const char **val, + size_t nval); + struct fwnode_handle *(*get_parent)(const struct fwnode_handle *fwnode); struct fwnode_handle * - (*get_next_child_node)(struct fwnode_handle *fwnode, + (*get_next_child_node)(const struct fwnode_handle *fwnode, struct fwnode_handle *child); struct fwnode_handle * - (*get_named_child_node)(struct fwnode_handle *fwnode, const char *name); + (*get_named_child_node)(const struct fwnode_handle *fwnode, + const char *name); + int (*get_reference_args)(const struct fwnode_handle *fwnode, + const char *prop, const char *nargs_prop, + unsigned int nargs, unsigned int index, + struct fwnode_reference_args *args); struct fwnode_handle * - (*graph_get_next_endpoint)(struct fwnode_handle *fwnode, + (*graph_get_next_endpoint)(const struct fwnode_handle *fwnode, struct fwnode_handle *prev); struct fwnode_handle * - (*graph_get_remote_endpoint)(struct fwnode_handle *fwnode); + (*graph_get_remote_endpoint)(const struct fwnode_handle *fwnode); struct fwnode_handle * (*graph_get_port_parent)(struct fwnode_handle *fwnode); - int (*graph_parse_endpoint)(struct fwnode_handle *fwnode, + int (*graph_parse_endpoint)(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); }; diff --git a/include/linux/genalloc.h b/include/linux/genalloc.h index 29d4385903d4..6dfec4d638df 100644 --- a/include/linux/genalloc.h +++ b/include/linux/genalloc.h @@ -38,12 +38,13 @@ struct device_node; struct gen_pool; /** - * Allocation callback function type definition + * typedef genpool_algo_t: Allocation callback function type definition * @map: Pointer to bitmap * @size: The bitmap size in bits * @start: The bitnumber to start searching at * @nr: The number of zeroed bits we're looking for - * @data: optional additional data used by @genpool_algo_t + * @data: optional additional data used by the callback + * @pool: the pool being allocated from */ typedef unsigned long (*genpool_algo_t)(unsigned long *map, unsigned long size, diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index af20369ec8e7..c97f8325e8bf 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -180,8 +180,27 @@ struct gpio_chip { * If CONFIG_OF is enabled, then all GPIO controllers described in the * device tree automatically may have an OF translation */ + + /** + * @of_node: + * + * Pointer to a device tree node representing this GPIO controller. + */ struct device_node *of_node; - int of_gpio_n_cells; + + /** + * @of_gpio_n_cells: + * + * Number of cells used to form the GPIO specifier. + */ + unsigned int of_gpio_n_cells; + + /** + * @of_xlate: + * + * Callback to translate a device tree GPIO specifier into a chip- + * relative GPIO number and flags. + */ int (*of_xlate)(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags); #endif @@ -327,11 +346,10 @@ int gpiochip_generic_config(struct gpio_chip *chip, unsigned offset, /** * struct gpio_pin_range - pin range controlled by a gpio chip - * @head: list for maintaining set of pin ranges, used internally + * @node: list for maintaining set of pin ranges, used internally * @pctldev: pinctrl device which handles corresponding pins * @range: actual range of pins controlled by a gpio controller */ - struct gpio_pin_range { struct list_head node; struct pinctrl_dev *pctldev; diff --git a/include/linux/gpio/machine.h b/include/linux/gpio/machine.h index 6e76b16fcade..ba4ccfd900f9 100644 --- a/include/linux/gpio/machine.h +++ b/include/linux/gpio/machine.h @@ -60,11 +60,14 @@ struct gpiod_lookup_table { #ifdef CONFIG_GPIOLIB void gpiod_add_lookup_table(struct gpiod_lookup_table *table); +void gpiod_add_lookup_tables(struct gpiod_lookup_table **tables, size_t n); void gpiod_remove_lookup_table(struct gpiod_lookup_table *table); #else static inline void gpiod_add_lookup_table(struct gpiod_lookup_table *table) {} static inline +void gpiod_add_lookup_tables(struct gpiod_lookup_table **tables, size_t n) {} +static inline void gpiod_remove_lookup_table(struct gpiod_lookup_table *table) {} #endif diff --git a/include/linux/hid.h b/include/linux/hid.h index 5006f9b5d837..ab05a86269dc 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -173,6 +173,7 @@ struct hid_item { #define HID_UP_LOGIVENDOR3 0xff430000 #define HID_UP_LNVENDOR 0xffa00000 #define HID_UP_SENSOR 0x00200000 +#define HID_UP_ASUSVENDOR 0xff310000 #define HID_USAGE 0x0000ffff @@ -292,6 +293,7 @@ struct hid_item { #define HID_DG_BARRELSWITCH2 0x000d005a #define HID_DG_TOOLSERIALNUMBER 0x000d005b +#define HID_VD_ASUS_CUSTOM_MEDIA_KEYS 0xff310076 /* * HID report types --- Ouch! HID spec says 1 2 3! */ @@ -363,6 +365,12 @@ struct hid_item { #define HID_GROUP_LOGITECH_DJ_DEVICE 0x0102 /* + * HID protocol status + */ +#define HID_REPORT_PROTOCOL 1 +#define HID_BOOT_PROTOCOL 0 + +/* * This is the global environment of the parser. This information is * persistent for main-items. The global environment can be saved and * restored with PUSH/POP statements. @@ -526,7 +534,6 @@ struct hid_device { /* device report descriptor */ struct hid_report_enum report_enum[HID_REPORT_TYPES]; struct work_struct led_work; /* delayed LED worker */ - struct semaphore driver_lock; /* protects the current driver, except during input */ struct semaphore driver_input_lock; /* protects the current driver */ struct device dev; /* device */ struct hid_driver *driver; @@ -542,16 +549,18 @@ struct hid_device { /* device report descriptor */ * battery is non-NULL. */ struct power_supply *battery; + __s32 battery_capacity; __s32 battery_min; __s32 battery_max; __s32 battery_report_type; __s32 battery_report_id; + bool battery_reported; #endif unsigned int status; /* see STAT flags above */ unsigned claimed; /* Claimed by hidinput, hiddev? */ unsigned quirks; /* Various quirks the device can pull on us */ - bool io_started; /* Protected by driver_lock. If IO has started */ + bool io_started; /* If IO has started */ struct list_head inputs; /* The list of inputs */ void *hiddev; /* The hiddev structure */ @@ -777,6 +786,17 @@ struct hid_ll_driver { int (*idle)(struct hid_device *hdev, int report, int idle, int reqtype); }; +extern struct hid_ll_driver i2c_hid_ll_driver; +extern struct hid_ll_driver hidp_hid_driver; +extern struct hid_ll_driver uhid_hid_driver; +extern struct hid_ll_driver usb_hid_driver; + +static inline bool hid_is_using_ll_driver(struct hid_device *hdev, + struct hid_ll_driver *driver) +{ + return hdev->ll_driver == driver; +} + #define PM_HINT_FULLON 1<<5 #define PM_HINT_NORMAL 1<<1 diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index a5f961c4149e..e4bbf7dc9932 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -124,10 +124,7 @@ struct hv_ring_buffer_info { spinlock_t ring_lock; u32 ring_datasize; /* < ring_size */ - u32 ring_data_startoffset; - u32 priv_write_index; u32 priv_read_index; - u32 cached_read_index; }; /* @@ -180,19 +177,6 @@ static inline u32 hv_get_bytes_to_write(const struct hv_ring_buffer_info *rbi) return write; } -static inline u32 hv_get_cached_bytes_to_write( - const struct hv_ring_buffer_info *rbi) -{ - u32 read_loc, write_loc, dsize, write; - - dsize = rbi->ring_datasize; - read_loc = rbi->cached_read_index; - write_loc = rbi->ring_buffer->write_index; - - write = write_loc >= read_loc ? dsize - (write_loc - read_loc) : - read_loc - write_loc; - return write; -} /* * VMBUS version is 32 bit entity broken up into * two 16 bit quantities: major_number. minor_number. @@ -895,6 +879,8 @@ struct vmbus_channel { */ enum hv_numa_policy affinity_policy; + bool probe_done; + }; static inline bool is_hvsock_channel(const struct vmbus_channel *c) @@ -1453,55 +1439,6 @@ hv_get_ring_buffer(const struct hv_ring_buffer_info *ring_info) } /* - * To optimize the flow management on the send-side, - * when the sender is blocked because of lack of - * sufficient space in the ring buffer, potential the - * consumer of the ring buffer can signal the producer. - * This is controlled by the following parameters: - * - * 1. pending_send_sz: This is the size in bytes that the - * producer is trying to send. - * 2. The feature bit feat_pending_send_sz set to indicate if - * the consumer of the ring will signal when the ring - * state transitions from being full to a state where - * there is room for the producer to send the pending packet. - */ - -static inline void hv_signal_on_read(struct vmbus_channel *channel) -{ - u32 cur_write_sz, cached_write_sz; - u32 pending_sz; - struct hv_ring_buffer_info *rbi = &channel->inbound; - - /* - * Issue a full memory barrier before making the signaling decision. - * Here is the reason for having this barrier: - * If the reading of the pend_sz (in this function) - * were to be reordered and read before we commit the new read - * index (in the calling function) we could - * have a problem. If the host were to set the pending_sz after we - * have sampled pending_sz and go to sleep before we commit the - * read index, we could miss sending the interrupt. Issue a full - * memory barrier to address this. - */ - virt_mb(); - - pending_sz = READ_ONCE(rbi->ring_buffer->pending_send_sz); - /* If the other end is not blocked on write don't bother. */ - if (pending_sz == 0) - return; - - cur_write_sz = hv_get_bytes_to_write(rbi); - - if (cur_write_sz < pending_sz) - return; - - cached_write_sz = hv_get_cached_bytes_to_write(rbi); - if (cached_write_sz < pending_sz) - vmbus_setevent(channel); -} - -/* * Mask off host interrupt callback notifications */ static inline void hv_begin_read(struct hv_ring_buffer_info *rbi) diff --git a/include/linux/iio/common/st_sensors.h b/include/linux/iio/common/st_sensors.h index 97f1b465d04f..7b0fa8b5c120 100644 --- a/include/linux/iio/common/st_sensors.h +++ b/include/linux/iio/common/st_sensors.h @@ -332,4 +332,16 @@ ssize_t st_sensors_sysfs_sampling_frequency_avail(struct device *dev, ssize_t st_sensors_sysfs_scale_avail(struct device *dev, struct device_attribute *attr, char *buf); +#ifdef CONFIG_OF +void st_sensors_of_name_probe(struct device *dev, + const struct of_device_id *match, + char *name, int len); +#else +static inline void st_sensors_of_name_probe(struct device *dev, + const struct of_device_id *match, + char *name, int len) +{ +} +#endif + #endif /* ST_SENSORS_H */ diff --git a/include/linux/iio/common/st_sensors_i2c.h b/include/linux/iio/common/st_sensors_i2c.h index 254de3c7dde8..0a2c25e06d1f 100644 --- a/include/linux/iio/common/st_sensors_i2c.h +++ b/include/linux/iio/common/st_sensors_i2c.h @@ -18,16 +18,6 @@ void st_sensors_i2c_configure(struct iio_dev *indio_dev, struct i2c_client *client, struct st_sensor_data *sdata); -#ifdef CONFIG_OF -void st_sensors_of_i2c_probe(struct i2c_client *client, - const struct of_device_id *match); -#else -static inline void st_sensors_of_i2c_probe(struct i2c_client *client, - const struct of_device_id *match) -{ -} -#endif - #ifdef CONFIG_ACPI int st_sensors_match_acpi_device(struct device *dev); #else diff --git a/include/linux/iio/timer/stm32-timer-trigger.h b/include/linux/iio/timer/stm32-timer-trigger.h index fa7d786ed99e..d68add80ab86 100644 --- a/include/linux/iio/timer/stm32-timer-trigger.h +++ b/include/linux/iio/timer/stm32-timer-trigger.h @@ -55,10 +55,24 @@ #define TIM9_CH1 "tim9_ch1" #define TIM9_CH2 "tim9_ch2" +#define TIM10_OC1 "tim10_oc1" + +#define TIM11_OC1 "tim11_oc1" + #define TIM12_TRGO "tim12_trgo" #define TIM12_CH1 "tim12_ch1" #define TIM12_CH2 "tim12_ch2" +#define TIM13_OC1 "tim13_oc1" + +#define TIM14_OC1 "tim14_oc1" + +#define TIM15_TRGO "tim15_trgo" + +#define TIM16_OC1 "tim16_oc1" + +#define TIM17_OC1 "tim17_oc1" + bool is_stm32_timer_trigger(struct iio_trigger *trig); #endif diff --git a/include/linux/init_task.h b/include/linux/init_task.h index a2f6707e9fc0..0e849715e5be 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -126,17 +126,11 @@ extern struct group_info init_groups; #endif #ifdef CONFIG_PREEMPT_RCU -#define INIT_TASK_RCU_TREE_PREEMPT() \ - .rcu_blocked_node = NULL, -#else -#define INIT_TASK_RCU_TREE_PREEMPT(tsk) -#endif -#ifdef CONFIG_PREEMPT_RCU #define INIT_TASK_RCU_PREEMPT(tsk) \ .rcu_read_lock_nesting = 0, \ .rcu_read_unlock_special.s = 0, \ .rcu_node_entry = LIST_HEAD_INIT(tsk.rcu_node_entry), \ - INIT_TASK_RCU_TREE_PREEMPT() + .rcu_blocked_node = NULL, #else #define INIT_TASK_RCU_PREEMPT(tsk) #endif diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index a2fddddb0d60..59ba11661b6e 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -18,6 +18,7 @@ #include <linux/atomic.h> #include <asm/ptrace.h> #include <asm/irq.h> +#include <asm/sections.h> /* * These correspond to the IORESOURCE_IRQ_* defines in @@ -726,7 +727,6 @@ extern int early_irq_init(void); extern int arch_probe_nr_irqs(void); extern int arch_early_irq_init(void); -#if defined(CONFIG_FUNCTION_GRAPH_TRACER) || defined(CONFIG_KASAN) /* * We want to know which function is an entrypoint of a hardirq or a softirq. */ @@ -734,16 +734,4 @@ extern int arch_early_irq_init(void); #define __softirq_entry \ __attribute__((__section__(".softirqentry.text"))) -/* Limits of hardirq entrypoints */ -extern char __irqentry_text_start[]; -extern char __irqentry_text_end[]; -/* Limits of softirq entrypoints */ -extern char __softirqentry_text_start[]; -extern char __softirqentry_text_end[]; - -#else -#define __irq_entry -#define __softirq_entry -#endif - #endif diff --git a/include/linux/io.h b/include/linux/io.h index 2195d9ea4aaa..32e30e8fb9db 100644 --- a/include/linux/io.h +++ b/include/linux/io.h @@ -157,6 +157,8 @@ enum { MEMREMAP_WB = 1 << 0, MEMREMAP_WT = 1 << 1, MEMREMAP_WC = 1 << 2, + MEMREMAP_ENC = 1 << 3, + MEMREMAP_DEC = 1 << 4, }; void *memremap(resource_size_t offset, size_t size, unsigned long flags); diff --git a/include/linux/irq.h b/include/linux/irq.h index d2d543794093..b99a784635ff 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -568,6 +568,8 @@ extern int irq_chip_compose_msi_msg(struct irq_data *data, struct msi_msg *msg); extern int irq_chip_pm_get(struct irq_data *data); extern int irq_chip_pm_put(struct irq_data *data); #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY +extern void handle_fasteoi_ack_irq(struct irq_desc *desc); +extern void handle_fasteoi_mask_irq(struct irq_desc *desc); extern void irq_chip_enable_parent(struct irq_data *data); extern void irq_chip_disable_parent(struct irq_data *data); extern void irq_chip_ack_parent(struct irq_data *data); @@ -781,7 +783,10 @@ static inline struct cpumask *irq_data_get_affinity_mask(struct irq_data *d) static inline struct cpumask *irq_data_get_effective_affinity_mask(struct irq_data *d) { - return d->common->effective_affinity; + if (!cpumask_empty(d->common->effective_affinity)) + return d->common->effective_affinity; + + return d->common->affinity; } static inline void irq_data_update_effective_affinity(struct irq_data *d, const struct cpumask *m) diff --git a/include/linux/irq_sim.h b/include/linux/irq_sim.h new file mode 100644 index 000000000000..0380d899b955 --- /dev/null +++ b/include/linux/irq_sim.h @@ -0,0 +1,44 @@ +#ifndef _LINUX_IRQ_SIM_H +#define _LINUX_IRQ_SIM_H +/* + * Copyright (C) 2017 Bartosz Golaszewski <brgl@bgdev.pl> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/irq_work.h> +#include <linux/device.h> + +/* + * Provides a framework for allocating simulated interrupts which can be + * requested like normal irqs and enqueued from process context. + */ + +struct irq_sim_work_ctx { + struct irq_work work; + int irq; +}; + +struct irq_sim_irq_ctx { + int irqnum; + bool enabled; +}; + +struct irq_sim { + struct irq_sim_work_ctx work_ctx; + int irq_base; + unsigned int irq_count; + struct irq_sim_irq_ctx *irqs; +}; + +int irq_sim_init(struct irq_sim *sim, unsigned int num_irqs); +int devm_irq_sim_init(struct device *dev, struct irq_sim *sim, + unsigned int num_irqs); +void irq_sim_fini(struct irq_sim *sim); +void irq_sim_fire(struct irq_sim *sim, unsigned int offset); +int irq_sim_irqnum(struct irq_sim *sim, unsigned int offset); + +#endif /* _LINUX_IRQ_SIM_H */ diff --git a/include/linux/irqchip/arm-gic-common.h b/include/linux/irqchip/arm-gic-common.h index c647b0547bcd..0a83b4379f34 100644 --- a/include/linux/irqchip/arm-gic-common.h +++ b/include/linux/irqchip/arm-gic-common.h @@ -27,6 +27,8 @@ struct gic_kvm_info { unsigned int maint_irq; /* Virtual control interface */ struct resource vctrl; + /* vlpi support */ + bool has_v4; }; const struct gic_kvm_info *gic_get_kvm_info(void); diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h index 6a1f87ff94e2..1ea576c8126f 100644 --- a/include/linux/irqchip/arm-gic-v3.h +++ b/include/linux/irqchip/arm-gic-v3.h @@ -204,6 +204,7 @@ #define GICR_TYPER_PLPIS (1U << 0) #define GICR_TYPER_VLPIS (1U << 1) +#define GICR_TYPER_DirectLPIS (1U << 3) #define GICR_TYPER_LAST (1U << 4) #define GIC_V3_REDIST_SIZE 0x20000 @@ -212,6 +213,69 @@ #define LPI_PROP_ENABLED (1 << 0) /* + * Re-Distributor registers, offsets from VLPI_base + */ +#define GICR_VPROPBASER 0x0070 + +#define GICR_VPROPBASER_IDBITS_MASK 0x1f + +#define GICR_VPROPBASER_SHAREABILITY_SHIFT (10) +#define GICR_VPROPBASER_INNER_CACHEABILITY_SHIFT (7) +#define GICR_VPROPBASER_OUTER_CACHEABILITY_SHIFT (56) + +#define GICR_VPROPBASER_SHAREABILITY_MASK \ + GIC_BASER_SHAREABILITY(GICR_VPROPBASER, SHAREABILITY_MASK) +#define GICR_VPROPBASER_INNER_CACHEABILITY_MASK \ + GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, MASK) +#define GICR_VPROPBASER_OUTER_CACHEABILITY_MASK \ + GIC_BASER_CACHEABILITY(GICR_VPROPBASER, OUTER, MASK) +#define GICR_VPROPBASER_CACHEABILITY_MASK \ + GICR_VPROPBASER_INNER_CACHEABILITY_MASK + +#define GICR_VPROPBASER_InnerShareable \ + GIC_BASER_SHAREABILITY(GICR_VPROPBASER, InnerShareable) + +#define GICR_VPROPBASER_nCnB GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, nCnB) +#define GICR_VPROPBASER_nC GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, nC) +#define GICR_VPROPBASER_RaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWt) +#define GICR_VPROPBASER_RaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWt) +#define GICR_VPROPBASER_WaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, WaWt) +#define GICR_VPROPBASER_WaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, WaWb) +#define GICR_VPROPBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWaWt) +#define GICR_VPROPBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_VPROPBASER, INNER, RaWaWb) + +#define GICR_VPENDBASER 0x0078 + +#define GICR_VPENDBASER_SHAREABILITY_SHIFT (10) +#define GICR_VPENDBASER_INNER_CACHEABILITY_SHIFT (7) +#define GICR_VPENDBASER_OUTER_CACHEABILITY_SHIFT (56) +#define GICR_VPENDBASER_SHAREABILITY_MASK \ + GIC_BASER_SHAREABILITY(GICR_VPENDBASER, SHAREABILITY_MASK) +#define GICR_VPENDBASER_INNER_CACHEABILITY_MASK \ + GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, MASK) +#define GICR_VPENDBASER_OUTER_CACHEABILITY_MASK \ + GIC_BASER_CACHEABILITY(GICR_VPENDBASER, OUTER, MASK) +#define GICR_VPENDBASER_CACHEABILITY_MASK \ + GICR_VPENDBASER_INNER_CACHEABILITY_MASK + +#define GICR_VPENDBASER_NonShareable \ + GIC_BASER_SHAREABILITY(GICR_VPENDBASER, NonShareable) + +#define GICR_VPENDBASER_nCnB GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, nCnB) +#define GICR_VPENDBASER_nC GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, nC) +#define GICR_VPENDBASER_RaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWt) +#define GICR_VPENDBASER_RaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWt) +#define GICR_VPENDBASER_WaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, WaWt) +#define GICR_VPENDBASER_WaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, WaWb) +#define GICR_VPENDBASER_RaWaWt GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWaWt) +#define GICR_VPENDBASER_RaWaWb GIC_BASER_CACHEABILITY(GICR_VPENDBASER, INNER, RaWaWb) + +#define GICR_VPENDBASER_Dirty (1ULL << 60) +#define GICR_VPENDBASER_PendingLast (1ULL << 61) +#define GICR_VPENDBASER_IDAI (1ULL << 62) +#define GICR_VPENDBASER_Valid (1ULL << 63) + +/* * ITS registers, offsets from ITS_base */ #define GITS_CTLR 0x0000 @@ -234,15 +298,21 @@ #define GITS_TRANSLATER 0x10040 #define GITS_CTLR_ENABLE (1U << 0) +#define GITS_CTLR_ImDe (1U << 1) +#define GITS_CTLR_ITS_NUMBER_SHIFT 4 +#define GITS_CTLR_ITS_NUMBER (0xFU << GITS_CTLR_ITS_NUMBER_SHIFT) #define GITS_CTLR_QUIESCENT (1U << 31) #define GITS_TYPER_PLPIS (1UL << 0) +#define GITS_TYPER_VLPIS (1UL << 1) #define GITS_TYPER_ITT_ENTRY_SIZE_SHIFT 4 +#define GITS_TYPER_ITT_ENTRY_SIZE(r) ((((r) >> GITS_TYPER_ITT_ENTRY_SIZE_SHIFT) & 0x1f) + 1) #define GITS_TYPER_IDBITS_SHIFT 8 #define GITS_TYPER_DEVBITS_SHIFT 13 #define GITS_TYPER_DEVBITS(r) ((((r) >> GITS_TYPER_DEVBITS_SHIFT) & 0x1f) + 1) #define GITS_TYPER_PTA (1UL << 19) #define GITS_TYPER_HWCOLLCNT_SHIFT 24 +#define GITS_TYPER_VMOVP (1ULL << 37) #define GITS_IIDR_REV_SHIFT 12 #define GITS_IIDR_REV_MASK (0xf << GITS_IIDR_REV_SHIFT) @@ -342,6 +412,18 @@ #define GITS_CMD_SYNC 0x05 /* + * GICv4 ITS specific commands + */ +#define GITS_CMD_GICv4(x) ((x) | 0x20) +#define GITS_CMD_VINVALL GITS_CMD_GICv4(GITS_CMD_INVALL) +#define GITS_CMD_VMAPP GITS_CMD_GICv4(GITS_CMD_MAPC) +#define GITS_CMD_VMAPTI GITS_CMD_GICv4(GITS_CMD_MAPTI) +#define GITS_CMD_VMOVI GITS_CMD_GICv4(GITS_CMD_MOVI) +#define GITS_CMD_VSYNC GITS_CMD_GICv4(GITS_CMD_SYNC) +/* VMOVP is the odd one, as it doesn't have a physical counterpart */ +#define GITS_CMD_VMOVP GITS_CMD_GICv4(2) + +/* * ITS error numbers */ #define E_ITS_MOVI_UNMAPPED_INTERRUPT 0x010107 @@ -487,6 +569,8 @@ struct rdists { struct page *prop_page; int id_bits; u64 flags; + bool has_vlpis; + bool has_direct_lpi; }; struct irq_domain; diff --git a/include/linux/irqchip/arm-gic-v4.h b/include/linux/irqchip/arm-gic-v4.h new file mode 100644 index 000000000000..58a4d89aa82c --- /dev/null +++ b/include/linux/irqchip/arm-gic-v4.h @@ -0,0 +1,105 @@ +/* + * Copyright (C) 2016,2017 ARM Limited, All Rights Reserved. + * Author: Marc Zyngier <marc.zyngier@arm.com> + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __LINUX_IRQCHIP_ARM_GIC_V4_H +#define __LINUX_IRQCHIP_ARM_GIC_V4_H + +struct its_vpe; + +/* Embedded in kvm.arch */ +struct its_vm { + struct fwnode_handle *fwnode; + struct irq_domain *domain; + struct page *vprop_page; + struct its_vpe **vpes; + int nr_vpes; + irq_hw_number_t db_lpi_base; + unsigned long *db_bitmap; + int nr_db_lpis; +}; + +/* Embedded in kvm_vcpu.arch */ +struct its_vpe { + struct page *vpt_page; + struct its_vm *its_vm; + /* Doorbell interrupt */ + int irq; + irq_hw_number_t vpe_db_lpi; + /* VPE proxy mapping */ + int vpe_proxy_event; + /* + * This collection ID is used to indirect the target + * redistributor for this VPE. The ID itself isn't involved in + * programming of the ITS. + */ + u16 col_idx; + /* Unique (system-wide) VPE identifier */ + u16 vpe_id; + /* Implementation Defined Area Invalid */ + bool idai; + /* Pending VLPIs on schedule out? */ + bool pending_last; +}; + +/* + * struct its_vlpi_map: structure describing the mapping of a + * VLPI. Only to be interpreted in the context of a physical interrupt + * it complements. To be used as the vcpu_info passed to + * irq_set_vcpu_affinity(). + * + * @vm: Pointer to the GICv4 notion of a VM + * @vpe: Pointer to the GICv4 notion of a virtual CPU (VPE) + * @vintid: Virtual LPI number + * @db_enabled: Is the VPE doorbell to be generated? + */ +struct its_vlpi_map { + struct its_vm *vm; + struct its_vpe *vpe; + u32 vintid; + bool db_enabled; +}; + +enum its_vcpu_info_cmd_type { + MAP_VLPI, + GET_VLPI, + PROP_UPDATE_VLPI, + PROP_UPDATE_AND_INV_VLPI, + SCHEDULE_VPE, + DESCHEDULE_VPE, + INVALL_VPE, +}; + +struct its_cmd_info { + enum its_vcpu_info_cmd_type cmd_type; + union { + struct its_vlpi_map *map; + u8 config; + }; +}; + +int its_alloc_vcpu_irqs(struct its_vm *vm); +void its_free_vcpu_irqs(struct its_vm *vm); +int its_schedule_vpe(struct its_vpe *vpe, bool on); +int its_invall_vpe(struct its_vpe *vpe); +int its_map_vlpi(int irq, struct its_vlpi_map *map); +int its_get_vlpi(int irq, struct its_vlpi_map *map); +int its_unmap_vlpi(int irq); +int its_prop_update_vlpi(int irq, u8 config, bool inv); + +int its_init_v4(struct irq_domain *domain, const struct irq_domain_ops *ops); + +#endif diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index cac77a5c5555..81e4889ca6dd 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -265,9 +265,11 @@ static inline struct fwnode_handle *of_node_to_fwnode(struct device_node *node) return node ? &node->fwnode : NULL; } +extern const struct fwnode_operations irqchip_fwnode_ops; + static inline bool is_fwnode_irqchip(struct fwnode_handle *fwnode) { - return fwnode && fwnode->type == FWNODE_IRQCHIP; + return fwnode && fwnode->ops == &irqchip_fwnode_ops; } extern void irq_domain_update_bus_token(struct irq_domain *domain, @@ -460,6 +462,9 @@ extern void irq_domain_free_irqs_common(struct irq_domain *domain, extern void irq_domain_free_irqs_top(struct irq_domain *domain, unsigned int virq, unsigned int nr_irqs); +extern int irq_domain_push_irq(struct irq_domain *domain, int virq, void *arg); +extern int irq_domain_pop_irq(struct irq_domain *domain, int virq); + extern int irq_domain_alloc_irqs_parent(struct irq_domain *domain, unsigned int irq_base, unsigned int nr_irqs, void *arg); diff --git a/include/linux/irqflags.h b/include/linux/irqflags.h index 5dd1272d1ab2..5fdd93bb9300 100644 --- a/include/linux/irqflags.h +++ b/include/linux/irqflags.h @@ -23,10 +23,26 @@ # define trace_softirq_context(p) ((p)->softirq_context) # define trace_hardirqs_enabled(p) ((p)->hardirqs_enabled) # define trace_softirqs_enabled(p) ((p)->softirqs_enabled) -# define trace_hardirq_enter() do { current->hardirq_context++; } while (0) -# define trace_hardirq_exit() do { current->hardirq_context--; } while (0) -# define lockdep_softirq_enter() do { current->softirq_context++; } while (0) -# define lockdep_softirq_exit() do { current->softirq_context--; } while (0) +# define trace_hardirq_enter() \ +do { \ + current->hardirq_context++; \ + crossrelease_hist_start(XHLOCK_HARD); \ +} while (0) +# define trace_hardirq_exit() \ +do { \ + current->hardirq_context--; \ + crossrelease_hist_end(XHLOCK_HARD); \ +} while (0) +# define lockdep_softirq_enter() \ +do { \ + current->softirq_context++; \ + crossrelease_hist_start(XHLOCK_SOFT); \ +} while (0) +# define lockdep_softirq_exit() \ +do { \ + current->softirq_context--; \ + crossrelease_hist_end(XHLOCK_SOFT); \ +} while (0) # define INIT_TRACE_IRQFLAGS .softirqs_enabled = 1, #else # define trace_hardirqs_on() do { } while (0) diff --git a/include/linux/jump_label.h b/include/linux/jump_label.h index 2afd74b9d844..cd5861651b17 100644 --- a/include/linux/jump_label.h +++ b/include/linux/jump_label.h @@ -163,6 +163,8 @@ extern void jump_label_apply_nops(struct module *mod); extern int static_key_count(struct static_key *key); extern void static_key_enable(struct static_key *key); extern void static_key_disable(struct static_key *key); +extern void static_key_enable_cpuslocked(struct static_key *key); +extern void static_key_disable_cpuslocked(struct static_key *key); /* * We should be using ATOMIC_INIT() for initializing .enabled, but @@ -234,24 +236,29 @@ static inline int jump_label_apply_nops(struct module *mod) static inline void static_key_enable(struct static_key *key) { - int count = static_key_count(key); - - WARN_ON_ONCE(count < 0 || count > 1); + STATIC_KEY_CHECK_USE(); - if (!count) - static_key_slow_inc(key); + if (atomic_read(&key->enabled) != 0) { + WARN_ON_ONCE(atomic_read(&key->enabled) != 1); + return; + } + atomic_set(&key->enabled, 1); } static inline void static_key_disable(struct static_key *key) { - int count = static_key_count(key); - - WARN_ON_ONCE(count < 0 || count > 1); + STATIC_KEY_CHECK_USE(); - if (count) - static_key_slow_dec(key); + if (atomic_read(&key->enabled) != 1) { + WARN_ON_ONCE(atomic_read(&key->enabled) != 0); + return; + } + atomic_set(&key->enabled, 0); } +#define static_key_enable_cpuslocked(k) static_key_enable((k)) +#define static_key_disable_cpuslocked(k) static_key_disable((k)) + #define STATIC_KEY_INIT_TRUE { .enabled = ATOMIC_INIT(1) } #define STATIC_KEY_INIT_FALSE { .enabled = ATOMIC_INIT(0) } @@ -413,8 +420,10 @@ extern bool ____wrong_branch_error(void); * Normal usage; boolean enable/disable. */ -#define static_branch_enable(x) static_key_enable(&(x)->key) -#define static_branch_disable(x) static_key_disable(&(x)->key) +#define static_branch_enable(x) static_key_enable(&(x)->key) +#define static_branch_disable(x) static_key_disable(&(x)->key) +#define static_branch_enable_cpuslocked(x) static_key_enable_cpuslocked(&(x)->key) +#define static_branch_disable_cpuslocked(x) static_key_disable_cpuslocked(&(x)->key) #endif /* __ASSEMBLY__ */ diff --git a/include/linux/kasan-checks.h b/include/linux/kasan-checks.h index b7f8aced7870..41960fecf783 100644 --- a/include/linux/kasan-checks.h +++ b/include/linux/kasan-checks.h @@ -2,11 +2,13 @@ #define _LINUX_KASAN_CHECKS_H #ifdef CONFIG_KASAN -void kasan_check_read(const void *p, unsigned int size); -void kasan_check_write(const void *p, unsigned int size); +void kasan_check_read(const volatile void *p, unsigned int size); +void kasan_check_write(const volatile void *p, unsigned int size); #else -static inline void kasan_check_read(const void *p, unsigned int size) { } -static inline void kasan_check_write(const void *p, unsigned int size) { } +static inline void kasan_check_read(const volatile void *p, unsigned int size) +{ } +static inline void kasan_check_write(const volatile void *p, unsigned int size) +{ } #endif #endif diff --git a/include/linux/kernel.h b/include/linux/kernel.h index bd6d96cf80b1..6607225d0ea4 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -277,6 +277,13 @@ extern int oops_may_print(void); void do_exit(long error_code) __noreturn; void complete_and_exit(struct completion *, long) __noreturn; +#ifdef CONFIG_ARCH_HAS_REFCOUNT +void refcount_error_report(struct pt_regs *regs, const char *err); +#else +static inline void refcount_error_report(struct pt_regs *regs, const char *err) +{ } +#endif + /* 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); diff --git a/include/linux/kexec.h b/include/linux/kexec.h index dd056fab9e35..2b7590f5483a 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -327,6 +327,14 @@ static inline void *boot_phys_to_virt(unsigned long entry) return phys_to_virt(boot_phys_to_phys(entry)); } +#ifndef arch_kexec_post_alloc_pages +static inline int arch_kexec_post_alloc_pages(void *vaddr, unsigned int pages, gfp_t gfp) { return 0; } +#endif + +#ifndef arch_kexec_pre_free_pages +static inline void arch_kexec_pre_free_pages(void *vaddr, unsigned int pages) { } +#endif + #else /* !CONFIG_KEXEC_CORE */ struct pt_regs; struct task_struct; diff --git a/include/linux/kobject.h b/include/linux/kobject.h index 4d800c79475a..e0a6205caa71 100644 --- a/include/linux/kobject.h +++ b/include/linux/kobject.h @@ -57,6 +57,8 @@ enum kobject_action { KOBJ_MOVE, KOBJ_ONLINE, KOBJ_OFFLINE, + KOBJ_BIND, + KOBJ_UNBIND, KOBJ_MAX }; diff --git a/include/linux/lguest.h b/include/linux/lguest.h deleted file mode 100644 index 6db19f35f7c5..000000000000 --- a/include/linux/lguest.h +++ /dev/null @@ -1,73 +0,0 @@ -/* - * Things the lguest guest needs to know. Note: like all lguest interfaces, - * this is subject to wild and random change between versions. - */ -#ifndef _LINUX_LGUEST_H -#define _LINUX_LGUEST_H - -#ifndef __ASSEMBLY__ -#include <linux/time.h> -#include <asm/irq.h> -#include <asm/lguest_hcall.h> - -#define LG_CLOCK_MIN_DELTA 100UL -#define LG_CLOCK_MAX_DELTA ULONG_MAX - -/*G:031 - * The second method of communicating with the Host is to via "struct - * lguest_data". Once the Guest's initialization hypercall tells the Host where - * this is, the Guest and Host both publish information in it. -:*/ -struct lguest_data { - /* - * 512 == enabled (same as eflags in normal hardware). The Guest - * changes interrupts so often that a hypercall is too slow. - */ - unsigned int irq_enabled; - /* Fine-grained interrupt disabling by the Guest */ - DECLARE_BITMAP(blocked_interrupts, LGUEST_IRQS); - - /* - * The Host writes the virtual address of the last page fault here, - * which saves the Guest a hypercall. CR2 is the native register where - * this address would normally be found. - */ - unsigned long cr2; - - /* Wallclock time set by the Host. */ - struct timespec time; - - /* - * Interrupt pending set by the Host. The Guest should do a hypercall - * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF). - */ - int irq_pending; - - /* - * Async hypercall ring. Instead of directly making hypercalls, we can - * place them in here for processing the next time the Host wants. - * This batching can be quite efficient. - */ - - /* 0xFF == done (set by Host), 0 == pending (set by Guest). */ - u8 hcall_status[LHCALL_RING_SIZE]; - /* The actual registers for the hypercalls. */ - struct hcall_args hcalls[LHCALL_RING_SIZE]; - -/* Fields initialized by the Host at boot: */ - /* Memory not to try to access */ - unsigned long reserve_mem; - /* KHz for the TSC clock. */ - u32 tsc_khz; - -/* Fields initialized by the Guest at boot: */ - /* Instruction to suppress interrupts even if enabled */ - unsigned long noirq_iret; - /* Address above which page tables are all identical. */ - unsigned long kernel_address; - /* The vector to try to use for system calls (0x40 or 0x80). */ - unsigned int syscall_vec; -}; -extern struct lguest_data lguest_data; -#endif /* __ASSEMBLY__ */ -#endif /* _LINUX_LGUEST_H */ diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h deleted file mode 100644 index acd5b12565cc..000000000000 --- a/include/linux/lguest_launcher.h +++ /dev/null @@ -1,44 +0,0 @@ -#ifndef _LINUX_LGUEST_LAUNCHER -#define _LINUX_LGUEST_LAUNCHER -/* Everything the "lguest" userspace program needs to know. */ -#include <linux/types.h> - -/*D:010 - * Drivers - * - * The Guest needs devices to do anything useful. Since we don't let it touch - * real devices (think of the damage it could do!) we provide virtual devices. - * We emulate a PCI bus with virtio devices on it; we used to have our own - * lguest bus which was far simpler, but this tests the virtio 1.0 standard. - * - * Virtio devices are also used by kvm, so we can simply reuse their optimized - * device drivers. And one day when everyone uses virtio, my plan will be - * complete. Bwahahahah! - */ - -/* Write command first word is a request. */ -enum lguest_req -{ - LHREQ_INITIALIZE, /* + base, pfnlimit, start */ - LHREQ_GETDMA, /* No longer used */ - LHREQ_IRQ, /* + irq */ - LHREQ_BREAK, /* No longer used */ - LHREQ_EVENTFD, /* No longer used. */ - LHREQ_GETREG, /* + offset within struct pt_regs (then read value). */ - LHREQ_SETREG, /* + offset within struct pt_regs, value. */ - LHREQ_TRAP, /* + trap number to deliver to guest. */ -}; - -/* - * This is what read() of the lguest fd populates. trap == - * LGUEST_TRAP_ENTRY for an LHCALL_NOTIFY (addr is the - * argument), 14 for a page fault in the MMIO region (addr is - * the trap address, insn is the instruction), or 13 for a GPF - * (insn is the instruction). - */ -struct lguest_pending { - __u8 trap; - __u8 insn[7]; - __u32 addr; -}; -#endif /* _LINUX_LGUEST_LAUNCHER */ diff --git a/include/linux/lockdep.h b/include/linux/lockdep.h index fffe49f188e6..bfa8e0b0d6f1 100644 --- a/include/linux/lockdep.h +++ b/include/linux/lockdep.h @@ -18,6 +18,8 @@ extern int lock_stat; #define MAX_LOCKDEP_SUBCLASSES 8UL +#include <linux/types.h> + #ifdef CONFIG_LOCKDEP #include <linux/linkage.h> @@ -29,7 +31,7 @@ extern int lock_stat; * We'd rather not expose kernel/lockdep_states.h this wide, but we do need * the total number of states... :-( */ -#define XXX_LOCK_USAGE_STATES (1+3*4) +#define XXX_LOCK_USAGE_STATES (1+2*4) /* * NR_LOCKDEP_CACHING_CLASSES ... Number of classes @@ -155,6 +157,12 @@ struct lockdep_map { int cpu; unsigned long ip; #endif +#ifdef CONFIG_LOCKDEP_CROSSRELEASE + /* + * Whether it's a crosslock. + */ + int cross; +#endif }; static inline void lockdep_copy_map(struct lockdep_map *to, @@ -258,8 +266,95 @@ struct held_lock { unsigned int hardirqs_off:1; unsigned int references:12; /* 32 bits */ unsigned int pin_count; +#ifdef CONFIG_LOCKDEP_CROSSRELEASE + /* + * Generation id. + * + * A value of cross_gen_id will be stored when holding this, + * which is globally increased whenever each crosslock is held. + */ + unsigned int gen_id; +#endif +}; + +#ifdef CONFIG_LOCKDEP_CROSSRELEASE +#define MAX_XHLOCK_TRACE_ENTRIES 5 + +/* + * This is for keeping locks waiting for commit so that true dependencies + * can be added at commit step. + */ +struct hist_lock { + /* + * Id for each entry in the ring buffer. This is used to + * decide whether the ring buffer was overwritten or not. + * + * For example, + * + * |<----------- hist_lock ring buffer size ------->| + * pppppppppppppppppppppiiiiiiiiiiiiiiiiiiiiiiiiiiiii + * wrapped > iiiiiiiiiiiiiiiiiiiiiiiiiii....................... + * + * where 'p' represents an acquisition in process + * context, 'i' represents an acquisition in irq + * context. + * + * In this example, the ring buffer was overwritten by + * acquisitions in irq context, that should be detected on + * rollback or commit. + */ + unsigned int hist_id; + + /* + * Seperate stack_trace data. This will be used at commit step. + */ + struct stack_trace trace; + unsigned long trace_entries[MAX_XHLOCK_TRACE_ENTRIES]; + + /* + * Seperate hlock instance. This will be used at commit step. + * + * TODO: Use a smaller data structure containing only necessary + * data. However, we should make lockdep code able to handle the + * smaller one first. + */ + struct held_lock hlock; +}; + +/* + * To initialize a lock as crosslock, lockdep_init_map_crosslock() should + * be called instead of lockdep_init_map(). + */ +struct cross_lock { + /* + * When more than one acquisition of crosslocks are overlapped, + * we have to perform commit for them based on cross_gen_id of + * the first acquisition, which allows us to add more true + * dependencies. + * + * Moreover, when no acquisition of a crosslock is in progress, + * we should not perform commit because the lock might not exist + * any more, which might cause incorrect memory access. So we + * have to track the number of acquisitions of a crosslock. + */ + int nr_acquire; + + /* + * Seperate hlock instance. This will be used at commit step. + * + * TODO: Use a smaller data structure containing only necessary + * data. However, we should make lockdep code able to handle the + * smaller one first. + */ + struct held_lock hlock; }; +struct lockdep_map_cross { + struct lockdep_map map; + struct cross_lock xlock; +}; +#endif + /* * Initialization, self-test and debugging-output methods: */ @@ -282,13 +377,6 @@ extern void lockdep_init_map(struct lockdep_map *lock, const char *name, struct lock_class_key *key, int subclass); /* - * To initialize a lockdep_map statically use this macro. - * Note that _name must not be NULL. - */ -#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ - { .name = (_name), .key = (void *)(_key), } - -/* * Reinitialize a lock key - for cases where there is special locking or * special initialization of locks so that the validator gets the scope * of dependencies wrong: they are either too broad (they need a class-split) @@ -363,10 +451,6 @@ static inline void lock_set_subclass(struct lockdep_map *lock, extern void lock_downgrade(struct lockdep_map *lock, unsigned long ip); -extern void lockdep_set_current_reclaim_state(gfp_t gfp_mask); -extern void lockdep_clear_current_reclaim_state(void); -extern void lockdep_trace_alloc(gfp_t mask); - struct pin_cookie { unsigned int val; }; #define NIL_COOKIE (struct pin_cookie){ .val = 0U, } @@ -375,7 +459,7 @@ extern struct pin_cookie lock_pin_lock(struct lockdep_map *lock); extern void lock_repin_lock(struct lockdep_map *lock, struct pin_cookie); extern void lock_unpin_lock(struct lockdep_map *lock, struct pin_cookie); -# define INIT_LOCKDEP .lockdep_recursion = 0, .lockdep_reclaim_gfp = 0, +# define INIT_LOCKDEP .lockdep_recursion = 0, #define lockdep_depth(tsk) (debug_locks ? (tsk)->lockdep_depth : 0) @@ -416,9 +500,6 @@ static inline void lockdep_on(void) # define lock_downgrade(l, i) do { } while (0) # define lock_set_class(l, n, k, s, i) do { } while (0) # define lock_set_subclass(l, s, i) do { } while (0) -# define lockdep_set_current_reclaim_state(g) do { } while (0) -# define lockdep_clear_current_reclaim_state() do { } while (0) -# define lockdep_trace_alloc(g) do { } while (0) # define lockdep_info() do { } while (0) # define lockdep_init_map(lock, name, key, sub) \ do { (void)(name); (void)(key); } while (0) @@ -467,6 +548,58 @@ struct pin_cookie { }; #endif /* !LOCKDEP */ +enum xhlock_context_t { + XHLOCK_HARD, + XHLOCK_SOFT, + XHLOCK_CTX_NR, +}; + +#ifdef CONFIG_LOCKDEP_CROSSRELEASE +extern void lockdep_init_map_crosslock(struct lockdep_map *lock, + const char *name, + struct lock_class_key *key, + int subclass); +extern void lock_commit_crosslock(struct lockdep_map *lock); + +/* + * What we essencially have to initialize is 'nr_acquire'. Other members + * will be initialized in add_xlock(). + */ +#define STATIC_CROSS_LOCK_INIT() \ + { .nr_acquire = 0,} + +#define STATIC_CROSS_LOCKDEP_MAP_INIT(_name, _key) \ + { .map.name = (_name), .map.key = (void *)(_key), \ + .map.cross = 1, .xlock = STATIC_CROSS_LOCK_INIT(), } + +/* + * To initialize a lockdep_map statically use this macro. + * Note that _name must not be NULL. + */ +#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ + { .name = (_name), .key = (void *)(_key), .cross = 0, } + +extern void crossrelease_hist_start(enum xhlock_context_t c); +extern void crossrelease_hist_end(enum xhlock_context_t c); +extern void lockdep_invariant_state(bool force); +extern void lockdep_init_task(struct task_struct *task); +extern void lockdep_free_task(struct task_struct *task); +#else /* !CROSSRELEASE */ +#define lockdep_init_map_crosslock(m, n, k, s) do {} while (0) +/* + * To initialize a lockdep_map statically use this macro. + * Note that _name must not be NULL. + */ +#define STATIC_LOCKDEP_MAP_INIT(_name, _key) \ + { .name = (_name), .key = (void *)(_key), } + +static inline void crossrelease_hist_start(enum xhlock_context_t c) {} +static inline void crossrelease_hist_end(enum xhlock_context_t c) {} +static inline void lockdep_invariant_state(bool force) {} +static inline void lockdep_init_task(struct task_struct *task) {} +static inline void lockdep_free_task(struct task_struct *task) {} +#endif /* CROSSRELEASE */ + #ifdef CONFIG_LOCK_STAT extern void lock_contended(struct lockdep_map *lock, unsigned long ip); diff --git a/include/linux/mcb.h b/include/linux/mcb.h index 4097ac9ea13a..b1a0ad9d23b3 100644 --- a/include/linux/mcb.h +++ b/include/linux/mcb.h @@ -136,5 +136,7 @@ extern struct resource *mcb_request_mem(struct mcb_device *dev, const char *name); extern void mcb_release_mem(struct resource *mem); extern int mcb_get_irq(struct mcb_device *dev); +extern struct resource *mcb_get_resource(struct mcb_device *dev, + unsigned int type); #endif /* _LINUX_MCB_H */ diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h new file mode 100644 index 000000000000..1255f09f5e42 --- /dev/null +++ b/include/linux/mem_encrypt.h @@ -0,0 +1,48 @@ +/* + * AMD Memory Encryption Support + * + * Copyright (C) 2016 Advanced Micro Devices, Inc. + * + * Author: Tom Lendacky <thomas.lendacky@amd.com> + * + * 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. + */ + +#ifndef __MEM_ENCRYPT_H__ +#define __MEM_ENCRYPT_H__ + +#ifndef __ASSEMBLY__ + +#ifdef CONFIG_ARCH_HAS_MEM_ENCRYPT + +#include <asm/mem_encrypt.h> + +#else /* !CONFIG_ARCH_HAS_MEM_ENCRYPT */ + +#define sme_me_mask 0UL + +#endif /* CONFIG_ARCH_HAS_MEM_ENCRYPT */ + +static inline bool sme_active(void) +{ + return !!sme_me_mask; +} + +static inline unsigned long sme_get_me_mask(void) +{ + return sme_me_mask; +} + +/* + * The __sme_set() and __sme_clr() macros are useful for adding or removing + * the encryption mask from a value (e.g. when dealing with pagetable + * entries). + */ +#define __sme_set(x) ((unsigned long)(x) | sme_me_mask) +#define __sme_clr(x) ((unsigned long)(x) & ~sme_me_mask) + +#endif /* __ASSEMBLY__ */ + +#endif /* __MEM_ENCRYPT_H__ */ diff --git a/include/linux/mfd/cros_ec_commands.h b/include/linux/mfd/cros_ec_commands.h index 190c8f4afa02..2b16e95b9bb8 100644 --- a/include/linux/mfd/cros_ec_commands.h +++ b/include/linux/mfd/cros_ec_commands.h @@ -285,6 +285,11 @@ enum host_event_code { EC_HOST_EVENT_HANG_DETECT = 20, /* Hang detect logic detected a hang and warm rebooted the AP */ EC_HOST_EVENT_HANG_REBOOT = 21, + /* PD MCU triggering host event */ + EC_HOST_EVENT_PD_MCU = 22, + + /* EC desires to change state of host-controlled USB mux */ + EC_HOST_EVENT_USB_MUX = 28, /* * The high bit of the event mask is not used as a host event code. If @@ -2905,6 +2910,76 @@ struct ec_params_usb_pd_control { uint8_t mux; } __packed; +#define PD_CTRL_RESP_ENABLED_COMMS (1 << 0) /* Communication enabled */ +#define PD_CTRL_RESP_ENABLED_CONNECTED (1 << 1) /* Device connected */ +#define PD_CTRL_RESP_ENABLED_PD_CAPABLE (1 << 2) /* Partner is PD capable */ + +struct ec_response_usb_pd_control_v1 { + uint8_t enabled; + uint8_t role; + uint8_t polarity; + char state[32]; +} __packed; + +#define EC_CMD_USB_PD_PORTS 0x102 + +struct ec_response_usb_pd_ports { + uint8_t num_ports; +} __packed; + +#define EC_CMD_USB_PD_POWER_INFO 0x103 + +#define PD_POWER_CHARGING_PORT 0xff +struct ec_params_usb_pd_power_info { + uint8_t port; +} __packed; + +enum usb_chg_type { + USB_CHG_TYPE_NONE, + USB_CHG_TYPE_PD, + USB_CHG_TYPE_C, + USB_CHG_TYPE_PROPRIETARY, + USB_CHG_TYPE_BC12_DCP, + USB_CHG_TYPE_BC12_CDP, + USB_CHG_TYPE_BC12_SDP, + USB_CHG_TYPE_OTHER, + USB_CHG_TYPE_VBUS, + USB_CHG_TYPE_UNKNOWN, +}; + +struct usb_chg_measures { + uint16_t voltage_max; + uint16_t voltage_now; + uint16_t current_max; + uint16_t current_lim; +} __packed; + +struct ec_response_usb_pd_power_info { + uint8_t role; + uint8_t type; + uint8_t dualrole; + uint8_t reserved1; + struct usb_chg_measures meas; + uint32_t max_power; +} __packed; + +/* Get info about USB-C SS muxes */ +#define EC_CMD_USB_PD_MUX_INFO 0x11a + +struct ec_params_usb_pd_mux_info { + uint8_t port; /* USB-C port number */ +} __packed; + +/* Flags representing mux state */ +#define USB_PD_MUX_USB_ENABLED (1 << 0) +#define USB_PD_MUX_DP_ENABLED (1 << 1) +#define USB_PD_MUX_POLARITY_INVERTED (1 << 2) +#define USB_PD_MUX_HPD_IRQ (1 << 3) + +struct ec_response_usb_pd_mux_info { + uint8_t flags; /* USB_PD_MUX_*-encoded USB mux state */ +} __packed; + /*****************************************************************************/ /* * Passthru commands diff --git a/include/linux/mfd/da9052/da9052.h b/include/linux/mfd/da9052/da9052.h index ce9230af09c2..ae5b663836d0 100644 --- a/include/linux/mfd/da9052/da9052.h +++ b/include/linux/mfd/da9052/da9052.h @@ -45,6 +45,12 @@ #define DA9052_ADC_TJUNC 8 #define DA9052_ADC_VBBAT 9 +/* TSI channel has its own 4 channel mux */ +#define DA9052_ADC_TSI_XP 70 +#define DA9052_ADC_TSI_XN 71 +#define DA9052_ADC_TSI_YP 72 +#define DA9052_ADC_TSI_YN 73 + #define DA9052_IRQ_DCIN 0 #define DA9052_IRQ_VBUS 1 #define DA9052_IRQ_DCINREM 2 diff --git a/include/linux/mfd/da9052/reg.h b/include/linux/mfd/da9052/reg.h index 5010f978725c..76780ea8849c 100644 --- a/include/linux/mfd/da9052/reg.h +++ b/include/linux/mfd/da9052/reg.h @@ -690,7 +690,10 @@ /* TSI CONTROL REGISTER B BITS */ #define DA9052_TSICONTB_ADCREF 0X80 #define DA9052_TSICONTB_TSIMAN 0X40 -#define DA9052_TSICONTB_TSIMUX 0X30 +#define DA9052_TSICONTB_TSIMUX_XP 0X00 +#define DA9052_TSICONTB_TSIMUX_YP 0X10 +#define DA9052_TSICONTB_TSIMUX_XN 0X20 +#define DA9052_TSICONTB_TSIMUX_YN 0X30 #define DA9052_TSICONTB_TSISEL3 0X08 #define DA9052_TSICONTB_TSISEL2 0X04 #define DA9052_TSICONTB_TSISEL1 0X02 @@ -705,8 +708,14 @@ /* TSI CO-ORDINATE LSB RESULT REGISTER BITS */ #define DA9052_TSILSB_PENDOWN 0X40 #define DA9052_TSILSB_TSIZL 0X30 +#define DA9052_TSILSB_TSIZL_SHIFT 4 +#define DA9052_TSILSB_TSIZL_BITS 2 #define DA9052_TSILSB_TSIYL 0X0C +#define DA9052_TSILSB_TSIYL_SHIFT 2 +#define DA9052_TSILSB_TSIYL_BITS 2 #define DA9052_TSILSB_TSIXL 0X03 +#define DA9052_TSILSB_TSIXL_SHIFT 0 +#define DA9052_TSILSB_TSIXL_BITS 2 /* TSI Z MEASUREMENT MSB RESULT REGISTER BIT */ #define DA9052_TSIZMSB_TSIZM 0XFF diff --git a/include/linux/mfd/ds1wm.h b/include/linux/mfd/ds1wm.h index 38a372a0e285..2227c6a75d84 100644 --- a/include/linux/mfd/ds1wm.h +++ b/include/linux/mfd/ds1wm.h @@ -1,13 +1,28 @@ -/* MFD cell driver data for the DS1WM driver */ +/* MFD cell driver data for the DS1WM driver + * + * to be defined in the MFD device that is + * using this driver for one of his sub devices + */ struct ds1wm_driver_data { int active_high; int clock_rate; - /* in milliseconds, the amount of time to */ - /* sleep following a reset pulse. Zero */ - /* should work if your bus devices recover*/ - /* time respects the 1-wire spec since the*/ - /* ds1wm implements the precise timings of*/ - /* a reset pulse/presence detect sequence.*/ + /* in milliseconds, the amount of time to + * sleep following a reset pulse. Zero + * should work if your bus devices recover + * time respects the 1-wire spec since the + * ds1wm implements the precise timings of + * a reset pulse/presence detect sequence. + */ unsigned int reset_recover_delay; + + /* Say 1 here for big endian Hardware + * (only relevant with bus-shift > 0 + */ + bool is_hw_big_endian; + + /* left shift of register number to get register address offsett. + * Only 0,1,2 allowed for 8,16 or 32 bit bus width respectively + */ + unsigned int bus_shift; }; diff --git a/include/linux/mfd/rn5t618.h b/include/linux/mfd/rn5t618.h index e5a6cdeb77db..d61bc58aba8a 100644 --- a/include/linux/mfd/rn5t618.h +++ b/include/linux/mfd/rn5t618.h @@ -226,11 +226,17 @@ enum { RN5T618_DCDC2, RN5T618_DCDC3, RN5T618_DCDC4, + RN5T618_DCDC5, RN5T618_LDO1, RN5T618_LDO2, RN5T618_LDO3, RN5T618_LDO4, RN5T618_LDO5, + RN5T618_LDO6, + RN5T618_LDO7, + RN5T618_LDO8, + RN5T618_LDO9, + RN5T618_LDO10, RN5T618_LDORTC1, RN5T618_LDORTC2, RN5T618_REG_NUM, diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 89c0e7f7cd9b..b0a57e043fa3 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -429,6 +429,12 @@ enum mlx4_steer_type { MLX4_NUM_STEERS }; +enum mlx4_resource_usage { + MLX4_RES_USAGE_NONE, + MLX4_RES_USAGE_DRIVER, + MLX4_RES_USAGE_USER_VERBS, +}; + enum { MLX4_NUM_FEXCH = 64 * 1024, }; @@ -754,6 +760,7 @@ struct mlx4_cq { } tasklet_ctx; int reset_notify_added; struct list_head reset_notify; + u8 usage; }; struct mlx4_qp { @@ -763,6 +770,7 @@ struct mlx4_qp { atomic_t refcount; struct completion free; + u8 usage; }; struct mlx4_srq { @@ -1126,7 +1134,7 @@ int mlx4_cq_alloc(struct mlx4_dev *dev, int nent, struct mlx4_mtt *mtt, unsigned vector, int collapsed, int timestamp_en); void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq); int mlx4_qp_reserve_range(struct mlx4_dev *dev, int cnt, int align, - int *base, u8 flags); + int *base, u8 flags, u8 usage); void mlx4_qp_release_range(struct mlx4_dev *dev, int base_qpn, int cnt); int mlx4_qp_alloc(struct mlx4_dev *dev, int qpn, struct mlx4_qp *qp); @@ -1424,7 +1432,7 @@ int mlx4_get_phys_port_id(struct mlx4_dev *dev); int mlx4_wol_read(struct mlx4_dev *dev, u64 *config, int port); int mlx4_wol_write(struct mlx4_dev *dev, u64 config, int port); -int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx); +int mlx4_counter_alloc(struct mlx4_dev *dev, u32 *idx, u8 usage); void mlx4_counter_free(struct mlx4_dev *dev, u32 idx); int mlx4_get_default_counter_index(struct mlx4_dev *dev, int port); diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h index 7031d655ec32..eaf4ad209c8f 100644 --- a/include/linux/mlx5/device.h +++ b/include/linux/mlx5/device.h @@ -290,6 +290,7 @@ enum mlx5_event { MLX5_EVENT_TYPE_GPIO_EVENT = 0x15, MLX5_EVENT_TYPE_PORT_MODULE_EVENT = 0x16, MLX5_EVENT_TYPE_REMOTE_CONFIG = 0x19, + MLX5_EVENT_TYPE_GENERAL_EVENT = 0x22, MLX5_EVENT_TYPE_PPS_EVENT = 0x25, MLX5_EVENT_TYPE_DB_BF_CONGESTION = 0x1a, @@ -305,6 +306,10 @@ enum mlx5_event { }; enum { + MLX5_GENERAL_SUBTYPE_DELAY_DROP_TIMEOUT = 0x1, +}; + +enum { MLX5_PORT_CHANGE_SUBTYPE_DOWN = 1, MLX5_PORT_CHANGE_SUBTYPE_ACTIVE = 4, MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED = 5, @@ -968,7 +973,7 @@ enum mlx5_cap_type { MLX5_CAP_ATOMIC, MLX5_CAP_ROCE, MLX5_CAP_IPOIB_OFFLOADS, - MLX5_CAP_EOIB_OFFLOADS, + MLX5_CAP_IPOIB_ENHANCED_OFFLOADS, MLX5_CAP_FLOW_TABLE, MLX5_CAP_ESWITCH_FLOW_TABLE, MLX5_CAP_ESWITCH, @@ -1011,6 +1016,10 @@ enum mlx5_mcam_feature_groups { MLX5_GET(per_protocol_networking_offload_caps,\ mdev->caps.hca_max[MLX5_CAP_ETHERNET_OFFLOADS], 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) + #define MLX5_CAP_ROCE(mdev, cap) \ MLX5_GET(roce_cap, mdev->caps.hca_cur[MLX5_CAP_ROCE], cap) diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h index 023b29d973e6..02ff700e4f30 100644 --- a/include/linux/mlx5/driver.h +++ b/include/linux/mlx5/driver.h @@ -162,6 +162,13 @@ enum dbg_rsc_type { MLX5_DBG_RSC_CQ, }; +enum port_state_policy { + MLX5_POLICY_DOWN = 0, + MLX5_POLICY_UP = 1, + MLX5_POLICY_FOLLOW = 2, + MLX5_POLICY_INVALID = 0xffffffff +}; + struct mlx5_field_desc { struct dentry *dent; int i; @@ -185,6 +192,7 @@ enum mlx5_dev_event { MLX5_DEV_EVENT_GUID_CHANGE, MLX5_DEV_EVENT_CLIENT_REREG, MLX5_DEV_EVENT_PPS, + MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT, }; enum mlx5_port_status { @@ -291,7 +299,7 @@ struct mlx5_cmd { struct semaphore pages_sem; int mode; struct mlx5_cmd_work_ent *ent_arr[MLX5_MAX_COMMANDS]; - struct pci_pool *pool; + struct dma_pool *pool; struct mlx5_cmd_debug dbg; struct cmd_msg_cache cache[MLX5_NUM_COMMAND_CACHES]; int checksum_disabled; @@ -410,6 +418,7 @@ enum mlx5_res_type { MLX5_RES_SQ = MLX5_EVENT_QUEUE_TYPE_SQ, MLX5_RES_SRQ = 3, MLX5_RES_XSRQ = 4, + MLX5_RES_XRQ = 5, }; struct mlx5_core_rsc_common { @@ -525,6 +534,9 @@ struct mlx5_mkey_table { struct mlx5_vf_context { int enabled; + u64 port_guid; + u64 node_guid; + enum port_state_policy policy; }; struct mlx5_core_sriov { @@ -534,7 +546,6 @@ struct mlx5_core_sriov { }; struct mlx5_irq_info { - cpumask_var_t mask; char name[MLX5_MAX_IRQ_NAME]; }; @@ -598,7 +609,6 @@ struct mlx5_port_module_event_stats { struct mlx5_priv { char name[MLX5_MAX_NAME_LEN]; struct mlx5_eq_table eq_table; - struct msix_entry *msix_arr; struct mlx5_irq_info *irq_info; /* pages stuff */ @@ -845,13 +855,6 @@ struct mlx5_pas { u8 log_sz; }; -enum port_state_policy { - MLX5_POLICY_DOWN = 0, - MLX5_POLICY_UP = 1, - MLX5_POLICY_FOLLOW = 2, - MLX5_POLICY_INVALID = 0xffffffff -}; - enum phy_port_state { MLX5_AAA_111 }; @@ -1092,7 +1095,7 @@ enum { }; enum { - MAX_UMR_CACHE_ENTRY = 20, + MR_CACHE_LAST_STD_ENTRY = 20, MLX5_IMR_MTT_CACHE_ENTRY, MLX5_IMR_KSM_CACHE_ENTRY, MAX_MR_CACHE_ENTRIES @@ -1186,4 +1189,10 @@ enum { MLX5_TRIGGERED_CMD_COMP = (u64)1 << 32, }; +static inline const struct cpumask * +mlx5_get_vector_affinity(struct mlx5_core_dev *dev, int vector) +{ + return pci_irq_get_affinity(dev->pdev, MLX5_EQ_VEC_COMP_BASE + vector); +} + #endif /* MLX5_DRIVER_H */ diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h index 3d5d32e5446c..a528b35a022e 100644 --- a/include/linux/mlx5/mlx5_ifc.h +++ b/include/linux/mlx5/mlx5_ifc.h @@ -200,6 +200,7 @@ enum { MLX5_CMD_OP_QUERY_SQ = 0x907, MLX5_CMD_OP_CREATE_RQ = 0x908, MLX5_CMD_OP_MODIFY_RQ = 0x909, + MLX5_CMD_OP_SET_DELAY_DROP_PARAMS = 0x910, MLX5_CMD_OP_DESTROY_RQ = 0x90a, MLX5_CMD_OP_QUERY_RQ = 0x90b, MLX5_CMD_OP_CREATE_RMP = 0x90c, @@ -294,8 +295,10 @@ struct mlx5_ifc_flow_table_fields_supported_bits { u8 inner_tcp_dport[0x1]; u8 inner_tcp_flags[0x1]; u8 reserved_at_37[0x9]; + u8 reserved_at_40[0x1a]; + u8 bth_dst_qp[0x1]; - u8 reserved_at_40[0x40]; + u8 reserved_at_5b[0x25]; }; struct mlx5_ifc_flow_table_prop_layout_bits { @@ -431,7 +434,9 @@ struct mlx5_ifc_fte_match_set_misc_bits { u8 reserved_at_100[0xc]; u8 inner_ipv6_flow_label[0x14]; - u8 reserved_at_120[0xe0]; + u8 reserved_at_120[0x28]; + u8 bth_dst_qp[0x18]; + u8 reserved_at_160[0xa0]; }; struct mlx5_ifc_cmd_pas_bits { @@ -599,7 +604,7 @@ struct mlx5_ifc_per_protocol_networking_offload_caps_bits { u8 rss_ind_tbl_cap[0x4]; u8 reg_umr_sq[0x1]; u8 scatter_fcs[0x1]; - u8 reserved_at_1a[0x1]; + u8 enhanced_multi_pkt_send_wqe[0x1]; u8 tunnel_lso_const_out_ip_id[0x1]; u8 reserved_at_1c[0x2]; u8 tunnel_stateless_gre[0x1]; @@ -840,7 +845,7 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 retransmission_q_counters[0x1]; u8 reserved_at_183[0x1]; u8 modify_rq_counter_set_id[0x1]; - u8 reserved_at_185[0x1]; + u8 rq_delay_drop[0x1]; u8 max_qp_cnt[0xa]; u8 pkey_table_size[0x10]; @@ -857,7 +862,7 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 pcam_reg[0x1]; u8 local_ca_ack_delay[0x5]; u8 port_module_event[0x1]; - u8 reserved_at_1b1[0x1]; + u8 enhanced_error_q_counters[0x1]; u8 ports_check[0x1]; u8 reserved_at_1b3[0x1]; u8 disable_link_up[0x1]; @@ -873,7 +878,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 max_tc[0x4]; u8 reserved_at_1d0[0x1]; u8 dcbx[0x1]; - u8 reserved_at_1d2[0x3]; + u8 general_notification_event[0x1]; + u8 reserved_at_1d3[0x2]; u8 fpga[0x1]; u8 rol_s[0x1]; u8 rol_g[0x1]; @@ -1016,7 +1022,8 @@ struct mlx5_ifc_cmd_hca_cap_bits { u8 log_max_wq_sz[0x5]; u8 nic_vport_change_event[0x1]; - u8 reserved_at_3e1[0xa]; + u8 disable_local_lb[0x1]; + u8 reserved_at_3e2[0x9]; u8 log_max_vlan_list[0x5]; u8 reserved_at_3f0[0x3]; u8 log_max_current_mc_list[0x5]; @@ -1185,7 +1192,8 @@ struct mlx5_ifc_cong_control_r_roce_ecn_np_bits { u8 reserved_at_c0[0x12]; u8 cnp_dscp[0x6]; - u8 reserved_at_d8[0x5]; + u8 reserved_at_d8[0x4]; + u8 cnp_prio_mode[0x1]; u8 cnp_802p_prio[0x3]; u8 reserved_at_e0[0x720]; @@ -2035,6 +2043,10 @@ enum { }; enum { + MLX5_QPC_OFFLOAD_TYPE_RNDV = 0x1, +}; + +enum { MLX5_QPC_END_PADDING_MODE_SCATTER_AS_IS = 0x0, MLX5_QPC_END_PADDING_MODE_PAD_TO_CACHE_LINE_ALIGNMENT = 0x1, }; @@ -2077,7 +2089,8 @@ struct mlx5_ifc_qpc_bits { u8 st[0x8]; u8 reserved_at_10[0x3]; u8 pm_state[0x2]; - u8 reserved_at_15[0x7]; + u8 reserved_at_15[0x3]; + u8 offload_type[0x4]; u8 end_padding_mode[0x2]; u8 reserved_at_1e[0x2]; @@ -2457,7 +2470,7 @@ struct mlx5_ifc_sqc_bits { u8 cd_master[0x1]; u8 fre[0x1]; u8 flush_in_error_en[0x1]; - u8 reserved_at_4[0x1]; + u8 allow_multi_pkt_send_wqe[0x1]; u8 min_wqe_inline_mode[0x3]; u8 state[0x4]; u8 reg_umr[0x1]; @@ -2535,7 +2548,7 @@ enum { struct mlx5_ifc_rqc_bits { u8 rlky[0x1]; - u8 reserved_at_1[0x1]; + u8 delay_drop_en[0x1]; u8 scatter_fcs[0x1]; u8 vsd[0x1]; u8 mem_rq_type[0x4]; @@ -2582,7 +2595,9 @@ struct mlx5_ifc_rmpc_bits { struct mlx5_ifc_nic_vport_context_bits { u8 reserved_at_0[0x5]; u8 min_wqe_inline_mode[0x3]; - u8 reserved_at_8[0x17]; + u8 reserved_at_8[0x15]; + u8 disable_mc_local_lb[0x1]; + u8 disable_uc_local_lb[0x1]; u8 roce_en[0x1]; u8 arm_change_event[0x1]; @@ -3020,7 +3035,7 @@ struct mlx5_ifc_xrqc_bits { struct mlx5_ifc_tag_matching_topology_context_bits tag_matching_topology_context; - u8 reserved_at_180[0x880]; + u8 reserved_at_180[0x280]; struct mlx5_ifc_wq_bits wq; }; @@ -3967,7 +3982,47 @@ struct mlx5_ifc_query_q_counter_out_bits { u8 local_ack_timeout_err[0x20]; - u8 reserved_at_320[0x4e0]; + u8 reserved_at_320[0xa0]; + + u8 resp_local_length_error[0x20]; + + u8 req_local_length_error[0x20]; + + u8 resp_local_qp_error[0x20]; + + u8 local_operation_error[0x20]; + + u8 resp_local_protection[0x20]; + + u8 req_local_protection[0x20]; + + u8 resp_cqe_error[0x20]; + + u8 req_cqe_error[0x20]; + + u8 req_mw_binding[0x20]; + + u8 req_bad_response[0x20]; + + u8 req_remote_invalid_request[0x20]; + + u8 resp_remote_invalid_request[0x20]; + + u8 req_remote_access_errors[0x20]; + + u8 resp_remote_access_errors[0x20]; + + u8 req_remote_operation_errors[0x20]; + + u8 req_transport_retries_exceeded[0x20]; + + u8 cq_overflow[0x20]; + + u8 resp_cqe_flush_error[0x20]; + + u8 req_cqe_flush_error[0x20]; + + u8 reserved_at_620[0x1e0]; }; struct mlx5_ifc_query_q_counter_in_bits { @@ -5248,7 +5303,9 @@ struct mlx5_ifc_modify_nic_vport_context_out_bits { }; struct mlx5_ifc_modify_nic_vport_field_select_bits { - u8 reserved_at_0[0x16]; + u8 reserved_at_0[0x14]; + u8 disable_uc_local_lb[0x1]; + u8 disable_mc_local_lb[0x1]; u8 node_guid[0x1]; u8 port_guid[0x1]; u8 min_inline[0x1]; @@ -5866,6 +5923,28 @@ struct mlx5_ifc_destroy_rq_in_bits { u8 reserved_at_60[0x20]; }; +struct mlx5_ifc_set_delay_drop_params_in_bits { + u8 opcode[0x10]; + u8 reserved_at_10[0x10]; + + u8 reserved_at_20[0x10]; + u8 op_mod[0x10]; + + u8 reserved_at_40[0x20]; + + u8 reserved_at_60[0x10]; + u8 delay_drop_timeout[0x10]; +}; + +struct mlx5_ifc_set_delay_drop_params_out_bits { + u8 status[0x8]; + u8 reserved_at_8[0x18]; + + u8 syndrome[0x20]; + + u8 reserved_at_40[0x40]; +}; + struct mlx5_ifc_destroy_rmp_out_bits { u8 status[0x8]; u8 reserved_at_8[0x18]; diff --git a/include/linux/mlx5/qp.h b/include/linux/mlx5/qp.h index f378dc0e7eaf..66d19b611fe4 100644 --- a/include/linux/mlx5/qp.h +++ b/include/linux/mlx5/qp.h @@ -560,6 +560,9 @@ int mlx5_core_destroy_qp(struct mlx5_core_dev *dev, int mlx5_core_qp_query(struct mlx5_core_dev *dev, struct mlx5_core_qp *qp, u32 *out, int outlen); +int mlx5_core_set_delay_drop(struct mlx5_core_dev *dev, + u32 timeout_usec); + int mlx5_core_xrcd_alloc(struct mlx5_core_dev *dev, u32 *xrcdn); int mlx5_core_xrcd_dealloc(struct mlx5_core_dev *dev, u32 xrcdn); void mlx5_init_qp_table(struct mlx5_core_dev *dev); diff --git a/include/linux/mlx5/srq.h b/include/linux/mlx5/srq.h index 1cde0fd53f90..24ff23e27c8a 100644 --- a/include/linux/mlx5/srq.h +++ b/include/linux/mlx5/srq.h @@ -38,6 +38,7 @@ enum { MLX5_SRQ_FLAG_ERR = (1 << 0), MLX5_SRQ_FLAG_WQ_SIG = (1 << 1), + MLX5_SRQ_FLAG_RNDV = (1 << 2), }; struct mlx5_srq_attr { @@ -56,6 +57,10 @@ struct mlx5_srq_attr { u32 user_index; u64 db_record; __be64 *pas; + u32 tm_log_list_size; + u32 tm_next_tag; + u32 tm_hw_phase_cnt; + u32 tm_sw_phase_cnt; }; struct mlx5_core_dev; diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h index 656c70b65dd2..aaa0bb9e7655 100644 --- a/include/linux/mlx5/vport.h +++ b/include/linux/mlx5/vport.h @@ -114,5 +114,6 @@ int mlx5_core_modify_hca_vport_context(struct mlx5_core_dev *dev, u8 other_vport, u8 port_num, int vf, struct mlx5_hca_vport_context *req); - +int mlx5_nic_vport_update_local_lb(struct mlx5_core_dev *mdev, bool enable); +int mlx5_nic_vport_query_local_lb(struct mlx5_core_dev *mdev, bool *status); #endif /* __MLX5_VPORT_H__ */ diff --git a/include/linux/mm_inline.h b/include/linux/mm_inline.h index e030a68ead7e..25438b2b6f22 100644 --- a/include/linux/mm_inline.h +++ b/include/linux/mm_inline.h @@ -126,4 +126,10 @@ static __always_inline enum lru_list page_lru(struct page *page) #define lru_to_page(head) (list_entry((head)->prev, struct page, lru)) +#ifdef arch_unmap_kpfn +extern void arch_unmap_kpfn(unsigned long pfn); +#else +static __always_inline void arch_unmap_kpfn(unsigned long pfn) { } +#endif + #endif diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h index 3cadee0a3508..57378c7cb5f8 100644 --- a/include/linux/mm_types.h +++ b/include/linux/mm_types.h @@ -526,26 +526,6 @@ extern void tlb_gather_mmu(struct mmu_gather *tlb, struct mm_struct *mm, extern void tlb_finish_mmu(struct mmu_gather *tlb, unsigned long start, unsigned long end); -/* - * Memory barriers to keep this state in sync are graciously provided by - * the page table locks, outside of which no page table modifications happen. - * The barriers are used to ensure the order between tlb_flush_pending updates, - * which happen while the lock is not taken, and the PTE updates, which happen - * while the lock is taken, are serialized. - */ -static inline bool mm_tlb_flush_pending(struct mm_struct *mm) -{ - return atomic_read(&mm->tlb_flush_pending) > 0; -} - -/* - * Returns true if there are two above TLB batching threads in parallel. - */ -static inline bool mm_tlb_flush_nested(struct mm_struct *mm) -{ - return atomic_read(&mm->tlb_flush_pending) > 1; -} - static inline void init_tlb_flush_pending(struct mm_struct *mm) { atomic_set(&mm->tlb_flush_pending, 0); @@ -554,27 +534,82 @@ static inline void init_tlb_flush_pending(struct mm_struct *mm) static inline void inc_tlb_flush_pending(struct mm_struct *mm) { atomic_inc(&mm->tlb_flush_pending); - /* - * Guarantee that the tlb_flush_pending increase does not leak into the - * critical section updating the page tables + * The only time this value is relevant is when there are indeed pages + * to flush. And we'll only flush pages after changing them, which + * requires the PTL. + * + * So the ordering here is: + * + * atomic_inc(&mm->tlb_flush_pending); + * spin_lock(&ptl); + * ... + * set_pte_at(); + * spin_unlock(&ptl); + * + * spin_lock(&ptl) + * mm_tlb_flush_pending(); + * .... + * spin_unlock(&ptl); + * + * flush_tlb_range(); + * atomic_dec(&mm->tlb_flush_pending); + * + * Where the increment if constrained by the PTL unlock, it thus + * ensures that the increment is visible if the PTE modification is + * visible. After all, if there is no PTE modification, nobody cares + * about TLB flushes either. + * + * This very much relies on users (mm_tlb_flush_pending() and + * mm_tlb_flush_nested()) only caring about _specific_ PTEs (and + * therefore specific PTLs), because with SPLIT_PTE_PTLOCKS and RCpc + * locks (PPC) the unlock of one doesn't order against the lock of + * another PTL. + * + * The decrement is ordered by the flush_tlb_range(), such that + * mm_tlb_flush_pending() will not return false unless all flushes have + * completed. */ - smp_mb__before_spinlock(); } -/* Clearing is done after a TLB flush, which also provides a barrier. */ static inline void dec_tlb_flush_pending(struct mm_struct *mm) { /* - * Guarantee that the tlb_flush_pending does not not leak into the - * critical section, since we must order the PTE change and changes to - * the pending TLB flush indication. We could have relied on TLB flush - * as a memory barrier, but this behavior is not clearly documented. + * See inc_tlb_flush_pending(). + * + * This cannot be smp_mb__before_atomic() because smp_mb() simply does + * not order against TLB invalidate completion, which is what we need. + * + * Therefore we must rely on tlb_flush_*() to guarantee order. */ - smp_mb__before_atomic(); atomic_dec(&mm->tlb_flush_pending); } +static inline bool mm_tlb_flush_pending(struct mm_struct *mm) +{ + /* + * Must be called after having acquired the PTL; orders against that + * PTLs release and therefore ensures that if we observe the modified + * PTE we must also observe the increment from inc_tlb_flush_pending(). + * + * That is, it only guarantees to return true if there is a flush + * pending for _this_ PTL. + */ + return atomic_read(&mm->tlb_flush_pending); +} + +static inline bool mm_tlb_flush_nested(struct mm_struct *mm) +{ + /* + * Similar to mm_tlb_flush_pending(), we must have acquired the PTL + * for which there is a TLB flush pending in order to guarantee + * we've seen both that PTE modification and the increment. + * + * (no requirement on actually still holding the PTL, that is irrelevant) + */ + return atomic_read(&mm->tlb_flush_pending) > 1; +} + struct vm_fault; struct vm_special_mapping { diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h index 3f74ef2281e8..694cebb50f72 100644 --- a/include/linux/mod_devicetable.h +++ b/include/linux/mod_devicetable.h @@ -674,8 +674,6 @@ struct ulpi_device_id { * struct fsl_mc_device_id - MC object device identifier * @vendor: vendor ID * @obj_type: MC object type - * @ver_major: MC object version major number - * @ver_minor: MC object version minor number * * Type of entries in the "device Id" table for MC object devices supported by * a MC object device driver. The last entry of the table has vendor set to 0x0 diff --git a/include/linux/msi.h b/include/linux/msi.h index df6d59201d31..80e3b562bef6 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -66,6 +66,7 @@ struct fsl_mc_msi_desc { * @mask_pos: [PCI MSI] Mask register position * @mask_base: [PCI MSI-X] Mask register base address * @platform: [platform] Platform device specific msi descriptor data + * @fsl_mc: [fsl-mc] FSL MC device specific msi descriptor data */ struct msi_desc { /* Shared device/bus type independent data */ diff --git a/include/linux/mux/consumer.h b/include/linux/mux/consumer.h index 5577e1b773c4..ea96d4c82be7 100644 --- a/include/linux/mux/consumer.h +++ b/include/linux/mux/consumer.h @@ -13,6 +13,8 @@ #ifndef _LINUX_MUX_CONSUMER_H #define _LINUX_MUX_CONSUMER_H +#include <linux/compiler.h> + struct device; struct mux_control; diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index adacc45abec1..f535779d9dc1 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -2764,7 +2764,7 @@ struct softnet_data { unsigned int input_queue_head ____cacheline_aligned_in_smp; /* Elements below can be accessed between CPUs for RPS/RFS */ - struct call_single_data csd ____cacheline_aligned_in_smp; + call_single_data_t csd ____cacheline_aligned_in_smp; struct softnet_data *rps_ipi_next; unsigned int cpu; unsigned int input_queue_tail; diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index c2256d746543..4e85447f7860 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -12,6 +12,9 @@ #ifndef _LINUX_NVMEM_CONSUMER_H #define _LINUX_NVMEM_CONSUMER_H +#include <linux/err.h> +#include <linux/errno.h> + struct device; struct device_node; /* consumer cookie */ @@ -35,6 +38,7 @@ void nvmem_cell_put(struct nvmem_cell *cell); void devm_nvmem_cell_put(struct device *dev, struct nvmem_cell *cell); void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len); int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len); +int nvmem_cell_read_u32(struct device *dev, const char *cell_id, u32 *val); /* direct nvmem device read/write interface */ struct nvmem_device *nvmem_device_get(struct device *dev, const char *name); @@ -85,6 +89,12 @@ static inline int nvmem_cell_write(struct nvmem_cell *cell, return -ENOSYS; } +static inline int nvmem_cell_read_u32(struct device *dev, + const char *cell_id, u32 *val) +{ + return -ENOSYS; +} + static inline struct nvmem_device *nvmem_device_get(struct device *dev, const char *name) { diff --git a/include/linux/of.h b/include/linux/of.h index 4a8a70916237..cfc34117fc92 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -104,7 +104,6 @@ extern const struct fwnode_operations of_fwnode_ops; static inline void of_node_init(struct device_node *node) { kobject_init(&node->kobj, &of_node_ktype); - node->fwnode.type = FWNODE_OF; node->fwnode.ops = &of_fwnode_ops; } @@ -152,7 +151,7 @@ void of_core_init(void); static inline bool is_of_node(const struct fwnode_handle *fwnode) { - return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_OF; + return !IS_ERR_OR_NULL(fwnode) && fwnode->ops == &of_fwnode_ops; } #define to_of_node(__fwnode) \ diff --git a/include/linux/pci.h b/include/linux/pci.h index f958d0732af6..da05e5db06ac 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -731,6 +731,7 @@ struct pci_driver { void (*shutdown) (struct pci_dev *dev); int (*sriov_configure) (struct pci_dev *dev, int num_vfs); /* PF pdev */ const struct pci_error_handlers *err_handler; + const struct attribute_group **groups; struct device_driver driver; struct pci_dynids dynids; }; diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index b14095bcf4bb..8e22f24ded6a 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -139,17 +139,6 @@ struct hw_perf_event { /* for tp_event->class */ struct list_head tp_list; }; - struct { /* intel_cqm */ - int cqm_state; - u32 cqm_rmid; - int is_group_event; - struct list_head cqm_events_entry; - struct list_head cqm_groups_entry; - struct list_head cqm_group_entry; - }; - struct { /* itrace */ - int itrace_started; - }; struct { /* amd_power */ u64 pwr_acc; u64 ptsc; @@ -417,11 +406,6 @@ struct pmu { /* - * Return the count value for a counter. - */ - u64 (*count) (struct perf_event *event); /*optional*/ - - /* * Set up pmu-private data structures for an AUX area */ void *(*setup_aux) (int cpu, void **pages, @@ -541,6 +525,7 @@ struct swevent_hlist { #define PERF_ATTACH_GROUP 0x02 #define PERF_ATTACH_TASK 0x04 #define PERF_ATTACH_TASK_DATA 0x08 +#define PERF_ATTACH_ITRACE 0x10 struct perf_cgroup; struct ring_buffer; @@ -864,6 +849,7 @@ extern int perf_aux_output_skip(struct perf_output_handle *handle, unsigned long size); extern void *perf_get_aux(struct perf_output_handle *handle); extern void perf_aux_output_flag(struct perf_output_handle *handle, u64 flags); +extern void perf_event_itrace_started(struct perf_event *event); extern int perf_pmu_register(struct pmu *pmu, const char *name, int type); extern void perf_pmu_unregister(struct pmu *pmu); @@ -944,6 +930,8 @@ struct perf_sample_data { struct perf_regs regs_intr; u64 stack_user_size; + + u64 phys_addr; } ____cacheline_aligned; /* default value for data source */ @@ -1111,11 +1099,6 @@ static inline void perf_event_task_sched_out(struct task_struct *prev, __perf_event_task_sched_out(prev, next); } -static inline u64 __perf_event_count(struct perf_event *event) -{ - return local64_read(&event->count) + atomic64_read(&event->child_count); -} - extern void perf_event_mmap(struct vm_area_struct *vma); extern struct perf_guest_info_callbacks *perf_guest_cbs; extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); @@ -1201,7 +1184,7 @@ extern void perf_event_init(void); extern void perf_tp_event(u16 event_type, u64 count, void *record, int entry_size, struct pt_regs *regs, struct hlist_head *head, int rctx, - struct task_struct *task); + struct task_struct *task, struct perf_event *event); extern void perf_bp_event(struct perf_event *event, void *data); #ifndef perf_misc_flags diff --git a/include/linux/pinctrl/machine.h b/include/linux/pinctrl/machine.h index e5b1716f98cc..7fa5d87190c2 100644 --- a/include/linux/pinctrl/machine.h +++ b/include/linux/pinctrl/machine.h @@ -152,12 +152,12 @@ struct pinctrl_map { #ifdef CONFIG_PINCTRL -extern int pinctrl_register_mappings(struct pinctrl_map const *map, +extern int pinctrl_register_mappings(const struct pinctrl_map *map, unsigned num_maps); extern void pinctrl_provide_dummies(void); #else -static inline int pinctrl_register_mappings(struct pinctrl_map const *map, +static inline int pinctrl_register_mappings(const struct pinctrl_map *map, unsigned num_maps) { return 0; diff --git a/include/linux/pinctrl/pinconf-generic.h b/include/linux/pinctrl/pinconf-generic.h index e91d1b6a260d..5d8bc7f21c2a 100644 --- a/include/linux/pinctrl/pinconf-generic.h +++ b/include/linux/pinctrl/pinconf-generic.h @@ -86,6 +86,7 @@ * @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. @@ -114,6 +115,7 @@ enum pin_config_param { PIN_CONFIG_OUTPUT_ENABLE, PIN_CONFIG_OUTPUT, PIN_CONFIG_POWER_SOURCE, + PIN_CONFIG_SLEEP_HARDWARE_STATE, PIN_CONFIG_SLEW_RATE, PIN_CONFIG_END = 0x7F, PIN_CONFIG_MAX = 0xFF, diff --git a/include/linux/platform_data/omap_drm.h b/include/linux/platform_data/omap_drm.h deleted file mode 100644 index f4e4a237ebd2..000000000000 --- a/include/linux/platform_data/omap_drm.h +++ /dev/null @@ -1,53 +0,0 @@ -/* - * DRM/KMS platform data for TI OMAP platforms - * - * Copyright (C) 2012 Texas Instruments - * Author: Rob Clark <rob.clark@linaro.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. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef __PLATFORM_DATA_OMAP_DRM_H__ -#define __PLATFORM_DATA_OMAP_DRM_H__ - -/* - * Optional platform data to configure the default configuration of which - * pipes/overlays/CRTCs are used.. if this is not provided, then instead the - * first CONFIG_DRM_OMAP_NUM_CRTCS are used, and they are each connected to - * one manager, with priority given to managers that are connected to - * detected devices. Remaining overlays are used as video planes. This - * should be a good default behavior for most cases, but yet there still - * might be times when you wish to do something different. - */ -struct omap_kms_platform_data { - /* overlays to use as CRTCs: */ - int ovl_cnt; - const int *ovl_ids; - - /* overlays to use as video planes: */ - int pln_cnt; - const int *pln_ids; - - int mgr_cnt; - const int *mgr_ids; - - int dev_cnt; - const char **dev_names; -}; - -struct omap_drm_platform_data { - uint32_t omaprev; - struct omap_kms_platform_data *kms_pdata; -}; - -#endif /* __PLATFORM_DATA_OMAP_DRM_H__ */ diff --git a/include/linux/platform_data/x86/apple.h b/include/linux/platform_data/x86/apple.h new file mode 100644 index 000000000000..079e816c3c21 --- /dev/null +++ b/include/linux/platform_data/x86/apple.h @@ -0,0 +1,13 @@ +#ifndef PLATFORM_DATA_X86_APPLE_H +#define PLATFORM_DATA_X86_APPLE_H + +#ifdef CONFIG_X86 +/** + * x86_apple_machine - whether the machine is an x86 Apple Macintosh + */ +extern bool x86_apple_machine; +#else +#define x86_apple_machine false +#endif + +#endif diff --git a/include/linux/pm.h b/include/linux/pm.h index b8b4df09fd8f..47ded8aa8a5d 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -689,6 +689,8 @@ struct dev_pm_domain { extern void device_pm_lock(void); extern void dpm_resume_start(pm_message_t state); extern void dpm_resume_end(pm_message_t state); +extern void dpm_noirq_resume_devices(pm_message_t state); +extern void dpm_noirq_end(void); extern void dpm_resume_noirq(pm_message_t state); extern void dpm_resume_early(pm_message_t state); extern void dpm_resume(pm_message_t state); @@ -697,6 +699,8 @@ extern void dpm_complete(pm_message_t state); extern void device_pm_unlock(void); extern int dpm_suspend_end(pm_message_t state); extern int dpm_suspend_start(pm_message_t state); +extern void dpm_noirq_begin(void); +extern int dpm_noirq_suspend_devices(pm_message_t state); extern int dpm_suspend_noirq(pm_message_t state); extern int dpm_suspend_late(pm_message_t state); extern int dpm_suspend(pm_message_t state); diff --git a/include/linux/pm_domain.h b/include/linux/pm_domain.h index 41004d97cefa..84f423d5633e 100644 --- a/include/linux/pm_domain.h +++ b/include/linux/pm_domain.h @@ -43,6 +43,7 @@ struct genpd_power_state { s64 power_on_latency_ns; s64 residency_ns; struct fwnode_handle *fwnode; + ktime_t idle_time; }; struct genpd_lock_ops; @@ -78,6 +79,8 @@ struct generic_pm_domain { unsigned int state_count; /* number of states */ unsigned int state_idx; /* state that genpd will go to when off */ void *free; /* Free the state that was allocated for default */ + ktime_t on_time; + ktime_t accounting_time; const struct genpd_lock_ops *lock_ops; union { struct mutex mlock; diff --git a/include/linux/property.h b/include/linux/property.h index 7e77039e6b81..6bebee13c5e0 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -51,46 +51,52 @@ int device_property_read_string(struct device *dev, const char *propname, int device_property_match_string(struct device *dev, const char *propname, const char *string); -bool fwnode_device_is_available(struct fwnode_handle *fwnode); -bool fwnode_property_present(struct fwnode_handle *fwnode, const char *propname); -int fwnode_property_read_u8_array(struct fwnode_handle *fwnode, +bool fwnode_device_is_available(const struct fwnode_handle *fwnode); +bool fwnode_property_present(const struct fwnode_handle *fwnode, + const char *propname); +int fwnode_property_read_u8_array(const struct fwnode_handle *fwnode, const char *propname, u8 *val, size_t nval); -int fwnode_property_read_u16_array(struct fwnode_handle *fwnode, +int fwnode_property_read_u16_array(const struct fwnode_handle *fwnode, const char *propname, u16 *val, size_t nval); -int fwnode_property_read_u32_array(struct fwnode_handle *fwnode, +int fwnode_property_read_u32_array(const struct fwnode_handle *fwnode, const char *propname, u32 *val, size_t nval); -int fwnode_property_read_u64_array(struct fwnode_handle *fwnode, +int fwnode_property_read_u64_array(const struct fwnode_handle *fwnode, const char *propname, u64 *val, size_t nval); -int fwnode_property_read_string_array(struct fwnode_handle *fwnode, +int fwnode_property_read_string_array(const struct fwnode_handle *fwnode, const char *propname, const char **val, size_t nval); -int fwnode_property_read_string(struct fwnode_handle *fwnode, +int fwnode_property_read_string(const struct fwnode_handle *fwnode, const char *propname, const char **val); -int fwnode_property_match_string(struct fwnode_handle *fwnode, +int fwnode_property_match_string(const struct fwnode_handle *fwnode, const char *propname, const char *string); +int fwnode_property_get_reference_args(const struct fwnode_handle *fwnode, + const char *prop, const char *nargs_prop, + unsigned int nargs, unsigned int index, + struct fwnode_reference_args *args); -struct fwnode_handle *fwnode_get_parent(struct fwnode_handle *fwnode); -struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode); -struct fwnode_handle *fwnode_get_next_child_node(struct fwnode_handle *fwnode, - struct fwnode_handle *child); +struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode); +struct fwnode_handle *fwnode_get_next_parent( + struct fwnode_handle *fwnode); +struct fwnode_handle *fwnode_get_next_child_node( + const struct fwnode_handle *fwnode, struct fwnode_handle *child); #define fwnode_for_each_child_node(fwnode, child) \ for (child = fwnode_get_next_child_node(fwnode, NULL); child; \ child = fwnode_get_next_child_node(fwnode, child)) -struct fwnode_handle *device_get_next_child_node(struct device *dev, - struct fwnode_handle *child); +struct fwnode_handle *device_get_next_child_node( + struct device *dev, struct fwnode_handle *child); #define device_for_each_child_node(dev, child) \ for (child = device_get_next_child_node(dev, NULL); child; \ child = device_get_next_child_node(dev, child)) -struct fwnode_handle *fwnode_get_named_child_node(struct fwnode_handle *fwnode, - const char *childname); +struct fwnode_handle *fwnode_get_named_child_node( + const struct fwnode_handle *fwnode, const char *childname); struct fwnode_handle *device_get_named_child_node(struct device *dev, const char *childname); @@ -129,31 +135,31 @@ static inline int device_property_read_u64(struct device *dev, return device_property_read_u64_array(dev, propname, val, 1); } -static inline bool fwnode_property_read_bool(struct fwnode_handle *fwnode, +static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode, const char *propname) { return fwnode_property_present(fwnode, propname); } -static inline int fwnode_property_read_u8(struct fwnode_handle *fwnode, +static inline int fwnode_property_read_u8(const struct fwnode_handle *fwnode, const char *propname, u8 *val) { return fwnode_property_read_u8_array(fwnode, propname, val, 1); } -static inline int fwnode_property_read_u16(struct fwnode_handle *fwnode, +static inline int fwnode_property_read_u16(const struct fwnode_handle *fwnode, const char *propname, u16 *val) { return fwnode_property_read_u16_array(fwnode, propname, val, 1); } -static inline int fwnode_property_read_u32(struct fwnode_handle *fwnode, +static inline int fwnode_property_read_u32(const struct fwnode_handle *fwnode, const char *propname, u32 *val) { return fwnode_property_read_u32_array(fwnode, propname, val, 1); } -static inline int fwnode_property_read_u64(struct fwnode_handle *fwnode, +static inline int fwnode_property_read_u64(const struct fwnode_handle *fwnode, const char *propname, u64 *val) { return fwnode_property_read_u64_array(fwnode, propname, val, 1); @@ -274,19 +280,20 @@ int device_get_phy_mode(struct device *dev); void *device_get_mac_address(struct device *dev, char *addr, int alen); struct fwnode_handle *fwnode_graph_get_next_endpoint( - struct fwnode_handle *fwnode, struct fwnode_handle *prev); + const struct fwnode_handle *fwnode, struct fwnode_handle *prev); struct fwnode_handle * -fwnode_graph_get_port_parent(struct fwnode_handle *fwnode); +fwnode_graph_get_port_parent(const struct fwnode_handle *fwnode); struct fwnode_handle *fwnode_graph_get_remote_port_parent( - struct fwnode_handle *fwnode); + const struct fwnode_handle *fwnode); struct fwnode_handle *fwnode_graph_get_remote_port( - struct fwnode_handle *fwnode); + const struct fwnode_handle *fwnode); struct fwnode_handle *fwnode_graph_get_remote_endpoint( - struct fwnode_handle *fwnode); -struct fwnode_handle *fwnode_graph_get_remote_node(struct fwnode_handle *fwnode, - u32 port, u32 endpoint); + const struct fwnode_handle *fwnode); +struct fwnode_handle * +fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port, + u32 endpoint); -int fwnode_graph_parse_endpoint(struct fwnode_handle *fwnode, +int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); #endif /* _LINUX_PROPERTY_H_ */ diff --git a/include/linux/raid/pq.h b/include/linux/raid/pq.h index 30f945329818..583cdd3d49ca 100644 --- a/include/linux/raid/pq.h +++ b/include/linux/raid/pq.h @@ -121,6 +121,7 @@ extern const struct raid6_recov_calls raid6_recov_ssse3; extern const struct raid6_recov_calls raid6_recov_avx2; extern const struct raid6_recov_calls raid6_recov_avx512; extern const struct raid6_recov_calls raid6_recov_s390xc; +extern const struct raid6_recov_calls raid6_recov_neon; extern const struct raid6_calls raid6_neonx1; extern const struct raid6_calls raid6_neonx2; diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h index f816fc72b51e..96f1baf62ab8 100644 --- a/include/linux/rcupdate.h +++ b/include/linux/rcupdate.h @@ -58,8 +58,6 @@ void call_rcu(struct rcu_head *head, rcu_callback_t func); void call_rcu_bh(struct rcu_head *head, rcu_callback_t func); void call_rcu_sched(struct rcu_head *head, rcu_callback_t func); void synchronize_sched(void); -void call_rcu_tasks(struct rcu_head *head, rcu_callback_t func); -void synchronize_rcu_tasks(void); void rcu_barrier_tasks(void); #ifdef CONFIG_PREEMPT_RCU @@ -105,11 +103,13 @@ static inline int rcu_preempt_depth(void) /* Internal to kernel */ void rcu_init(void); +extern int rcu_scheduler_active __read_mostly; void rcu_sched_qs(void); void rcu_bh_qs(void); void rcu_check_callbacks(int user); void rcu_report_dead(unsigned int cpu); void rcu_cpu_starting(unsigned int cpu); +void rcutree_migrate_callbacks(int cpu); #ifdef CONFIG_RCU_STALL_COMMON void rcu_sysrq_start(void); @@ -164,8 +164,6 @@ static inline void rcu_init_nohz(void) { } * macro rather than an inline function to avoid #include hell. */ #ifdef CONFIG_TASKS_RCU -#define TASKS_RCU(x) x -extern struct srcu_struct tasks_rcu_exit_srcu; #define rcu_note_voluntary_context_switch_lite(t) \ do { \ if (READ_ONCE((t)->rcu_tasks_holdout)) \ @@ -176,10 +174,17 @@ extern struct srcu_struct tasks_rcu_exit_srcu; rcu_all_qs(); \ rcu_note_voluntary_context_switch_lite(t); \ } while (0) +void call_rcu_tasks(struct rcu_head *head, rcu_callback_t func); +void synchronize_rcu_tasks(void); +void exit_tasks_rcu_start(void); +void exit_tasks_rcu_finish(void); #else /* #ifdef CONFIG_TASKS_RCU */ -#define TASKS_RCU(x) do { } while (0) #define rcu_note_voluntary_context_switch_lite(t) do { } while (0) #define rcu_note_voluntary_context_switch(t) rcu_all_qs() +#define call_rcu_tasks call_rcu_sched +#define synchronize_rcu_tasks synchronize_sched +static inline void exit_tasks_rcu_start(void) { } +static inline void exit_tasks_rcu_finish(void) { } #endif /* #else #ifdef CONFIG_TASKS_RCU */ /** diff --git a/include/linux/rcutiny.h b/include/linux/rcutiny.h index 5becbbccb998..b3dbf9502fd0 100644 --- a/include/linux/rcutiny.h +++ b/include/linux/rcutiny.h @@ -116,13 +116,11 @@ 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 exit_rcu(void) { } - -#if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) -extern int rcu_scheduler_active __read_mostly; +#ifdef CONFIG_SRCU void rcu_scheduler_starting(void); -#else /* #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */ +#else /* #ifndef CONFIG_SRCU */ static inline void rcu_scheduler_starting(void) { } -#endif /* #else #if defined(CONFIG_DEBUG_LOCK_ALLOC) || defined(CONFIG_SRCU) */ +#endif /* #else #ifndef CONFIG_SRCU */ static inline void rcu_end_inkernel_boot(void) { } static inline bool rcu_is_watching(void) { return true; } diff --git a/include/linux/refcount.h b/include/linux/refcount.h index 591792c8e5b0..48b7c9c68c4d 100644 --- a/include/linux/refcount.h +++ b/include/linux/refcount.h @@ -53,6 +53,9 @@ extern __must_check bool refcount_sub_and_test(unsigned int i, refcount_t *r); extern __must_check bool refcount_dec_and_test(refcount_t *r); extern void refcount_dec(refcount_t *r); #else +# ifdef CONFIG_ARCH_HAS_REFCOUNT +# include <asm/refcount.h> +# else static inline __must_check bool refcount_add_not_zero(unsigned int i, refcount_t *r) { return atomic_add_unless(&r->refs, i, 0); @@ -87,6 +90,7 @@ static inline void refcount_dec(refcount_t *r) { atomic_dec(&r->refs); } +# endif /* !CONFIG_ARCH_HAS_REFCOUNT */ #endif /* CONFIG_REFCOUNT_FULL */ extern __must_check bool refcount_dec_if_one(refcount_t *r); diff --git a/include/linux/regulator/mt6380-regulator.h b/include/linux/regulator/mt6380-regulator.h new file mode 100644 index 000000000000..465182da6315 --- /dev/null +++ b/include/linux/regulator/mt6380-regulator.h @@ -0,0 +1,32 @@ +/* + * Copyright (c) 2017 MediaTek Inc. + * Author: Chenglin Xu <chenglin.xu@mediatek.com> + * + * 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 __LINUX_REGULATOR_mt6380_H +#define __LINUX_REGULATOR_mt6380_H + +enum { + MT6380_ID_VCPU = 0, + MT6380_ID_VCORE, + MT6380_ID_VRF, + MT6380_ID_VMLDO, + MT6380_ID_VALDO, + MT6380_ID_VPHYLDO, + MT6380_ID_VDDRLDO, + MT6380_ID_VTLDO, + MT6380_ID_RG_MAX, +}; + +#define MT6380_MAX_REGULATOR MT6380_ID_RG_MAX + +#endif /* __LINUX_REGULATOR_mt6380_H */ diff --git a/include/linux/reservation.h b/include/linux/reservation.h index 156cfd330b66..21fc84d82d41 100644 --- a/include/linux/reservation.h +++ b/include/linux/reservation.h @@ -254,6 +254,9 @@ int reservation_object_get_fences_rcu(struct reservation_object *obj, unsigned *pshared_count, struct dma_fence ***pshared); +int reservation_object_copy_fences(struct reservation_object *dst, + struct reservation_object *src); + long reservation_object_wait_timeout_rcu(struct reservation_object *obj, bool wait_all, bool intr, unsigned long timeout); diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index ae0528b834cd..e784761a4443 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -32,6 +32,7 @@ struct rw_semaphore { #define RWSEM_UNLOCKED_VALUE 0x00000000 extern void __down_read(struct rw_semaphore *sem); +extern int __must_check __down_read_killable(struct rw_semaphore *sem); extern int __down_read_trylock(struct rw_semaphore *sem); extern void __down_write(struct rw_semaphore *sem); extern int __must_check __down_write_killable(struct rw_semaphore *sem); diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index dd1d14250340..0ad7318ff299 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h @@ -44,6 +44,7 @@ struct rw_semaphore { }; extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem); +extern struct rw_semaphore *rwsem_down_read_failed_killable(struct rw_semaphore *sem); extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem); extern struct rw_semaphore *rwsem_down_write_failed_killable(struct rw_semaphore *sem); extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *); diff --git a/include/linux/sched.h b/include/linux/sched.h index c05ac5f5aa03..68b38335d33c 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -589,9 +589,10 @@ struct task_struct { #ifdef CONFIG_TASKS_RCU unsigned long rcu_tasks_nvcsw; - bool rcu_tasks_holdout; - struct list_head rcu_tasks_holdout_list; + u8 rcu_tasks_holdout; + u8 rcu_tasks_idx; int rcu_tasks_idle_cpu; + struct list_head rcu_tasks_holdout_list; #endif /* #ifdef CONFIG_TASKS_RCU */ struct sched_info sched_info; @@ -846,7 +847,17 @@ struct task_struct { int lockdep_depth; unsigned int lockdep_recursion; struct held_lock held_locks[MAX_LOCK_DEPTH]; - gfp_t lockdep_reclaim_gfp; +#endif + +#ifdef CONFIG_LOCKDEP_CROSSRELEASE +#define MAX_XHLOCKS_NR 64UL + struct hist_lock *xhlocks; /* Crossrelease history locks */ + unsigned int xhlock_idx; + /* For restoring at history boundaries */ + unsigned int xhlock_idx_hist[XHLOCK_CTX_NR]; + unsigned int hist_id; + /* For overwrite check at each context exit */ + unsigned int hist_id_save[XHLOCK_CTX_NR]; #endif #ifdef CONFIG_UBSAN @@ -898,8 +909,9 @@ struct task_struct { /* cg_list protected by css_set_lock and tsk->alloc_lock: */ struct list_head cg_list; #endif -#ifdef CONFIG_INTEL_RDT_A - int closid; +#ifdef CONFIG_INTEL_RDT + u32 closid; + u32 rmid; #endif #ifdef CONFIG_FUTEX struct robust_list_head __user *robust_list; @@ -1232,6 +1244,19 @@ static inline pid_t task_pgrp_nr(struct task_struct *tsk) return task_pgrp_nr_ns(tsk, &init_pid_ns); } +static inline char task_state_to_char(struct task_struct *task) +{ + const char stat_nam[] = TASK_STATE_TO_CHAR_STR; + unsigned long state = task->state; + + state = state ? __ffs(state) + 1 : 0; + + /* Make sure the string lines up properly with the number of task states: */ + BUILD_BUG_ON(sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1); + + return state < sizeof(stat_nam) - 1 ? stat_nam[state] : '?'; +} + /** * is_global_init - check if a task structure is init. Since init * is free to have sub-threads we need to check tgid. diff --git a/include/linux/sched/debug.h b/include/linux/sched/debug.h index e0eaee54c5a4..5d58d49e9f87 100644 --- a/include/linux/sched/debug.h +++ b/include/linux/sched/debug.h @@ -6,6 +6,7 @@ */ struct task_struct; +struct pid_namespace; extern void dump_cpu_task(int cpu); @@ -34,7 +35,8 @@ extern void sched_show_task(struct task_struct *p); #ifdef CONFIG_SCHED_DEBUG struct seq_file; -extern void proc_sched_show_task(struct task_struct *p, struct seq_file *m); +extern void proc_sched_show_task(struct task_struct *p, + struct pid_namespace *ns, struct seq_file *m); extern void proc_sched_set_task(struct task_struct *p); #endif diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index 2b24a6974847..2b0a281f9d26 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -167,6 +167,14 @@ static inline gfp_t current_gfp_context(gfp_t flags) return flags; } +#ifdef CONFIG_LOCKDEP +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(gfp_t gfp_mask) { } +static inline void fs_reclaim_release(gfp_t gfp_mask) { } +#endif + static inline unsigned int memalloc_noio_save(void) { unsigned int flags = current->flags & PF_MEMALLOC_NOIO; diff --git a/include/linux/sched/task.h b/include/linux/sched/task.h index c97e5f096927..79a2a744648d 100644 --- a/include/linux/sched/task.h +++ b/include/linux/sched/task.h @@ -30,7 +30,6 @@ extern int lockdep_tasklist_lock_is_held(void); extern asmlinkage void schedule_tail(struct task_struct *prev); extern void init_idle(struct task_struct *idle, int cpu); -extern void init_idle_bootup_task(struct task_struct *idle); extern int sched_fork(unsigned long clone_flags, struct task_struct *p); extern void sched_dead(struct task_struct *p); diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h index 7d065abc7a47..d7b6dab956ec 100644 --- a/include/linux/sched/topology.h +++ b/include/linux/sched/topology.h @@ -71,6 +71,14 @@ struct sched_domain_shared { atomic_t ref; atomic_t nr_busy_cpus; int has_idle_cores; + + /* + * Some variables from the most recent sd_lb_stats for this domain, + * used by wake_affine(). + */ + unsigned long nr_running; + unsigned long load; + unsigned long capacity; }; struct sched_domain { diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h index 61fbb440449c..a27ef5f56431 100644 --- a/include/linux/serial_8250.h +++ b/include/linux/serial_8250.h @@ -80,9 +80,10 @@ struct uart_8250_ops { }; struct uart_8250_em485 { - struct timer_list start_tx_timer; /* "rs485 start tx" timer */ - struct timer_list stop_tx_timer; /* "rs485 stop tx" timer */ - struct timer_list *active_timer; /* pointer to active timer */ + struct hrtimer start_tx_timer; /* "rs485 start tx" timer */ + struct hrtimer stop_tx_timer; /* "rs485 stop tx" timer */ + struct hrtimer *active_timer; /* pointer to active timer */ + struct uart_8250_port *port; /* for hrtimer callbacks */ }; /* diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 1775500294bb..5553e04e59c9 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -20,7 +20,7 @@ #ifndef LINUX_SERIAL_CORE_H #define LINUX_SERIAL_CORE_H - +#include <linux/bitops.h> #include <linux/compiler.h> #include <linux/interrupt.h> #include <linux/circ_buf.h> @@ -144,7 +144,7 @@ struct uart_port { unsigned char x_char; /* xon/xoff char */ unsigned char regshift; /* reg offset shift */ unsigned char iotype; /* io access style */ - unsigned char unused1; + unsigned char quirks; /* internal quirks */ #define UPIO_PORT (SERIAL_IO_PORT) /* 8b I/O port access */ #define UPIO_HUB6 (SERIAL_IO_HUB6) /* Hub6 ISA card */ @@ -155,6 +155,9 @@ struct uart_port { #define UPIO_MEM32BE (SERIAL_IO_MEM32BE) /* 32b big endian */ #define UPIO_MEM16 (SERIAL_IO_MEM16) /* 16b little endian */ + /* quirks must be updated while holding port mutex */ +#define UPQ_NO_TXEN_TEST BIT(0) + unsigned int read_status_mask; /* driver specific */ unsigned int ignore_status_mask; /* driver specific */ struct uart_state *state; /* pointer to parent state */ @@ -175,7 +178,6 @@ struct uart_port { * [for bit definitions in the UPF_CHANGE_MASK] * * Bits [0..UPF_LAST_USER] are userspace defined/visible/changeable - * except bit 15 (UPF_NO_TXEN_TEST) which is masked off. * The remaining bits are serial-core specific and not modifiable by * userspace. */ @@ -192,7 +194,6 @@ struct uart_port { #define UPF_SPD_SHI ((__force upf_t) ASYNC_SPD_SHI /* 12 */ ) #define UPF_LOW_LATENCY ((__force upf_t) ASYNC_LOW_LATENCY /* 13 */ ) #define UPF_BUGGY_UART ((__force upf_t) ASYNC_BUGGY_UART /* 14 */ ) -#define UPF_NO_TXEN_TEST ((__force upf_t) (1 << 15)) #define UPF_MAGIC_MULTIPLIER ((__force upf_t) ASYNC_MAGIC_MULTIPLIER /* 16 */ ) #define UPF_NO_THRE_TEST ((__force upf_t) (1 << 19)) @@ -246,7 +247,6 @@ struct uart_port { struct device *dev; /* parent device */ unsigned char hub6; /* this should be in the 8250 driver */ unsigned char suspended; - unsigned char irq_wake; unsigned char unused[2]; const char *name; /* port name */ struct attribute_group *attr_group; /* port specific attributes */ diff --git a/include/linux/smp.h b/include/linux/smp.h index 68123c1fe549..98b1fe027fc9 100644 --- a/include/linux/smp.h +++ b/include/linux/smp.h @@ -14,13 +14,17 @@ #include <linux/llist.h> typedef void (*smp_call_func_t)(void *info); -struct call_single_data { +struct __call_single_data { struct llist_node llist; smp_call_func_t func; void *info; unsigned int flags; }; +/* Use __aligned() to avoid to use 2 cache lines for 1 csd */ +typedef struct __call_single_data call_single_data_t + __aligned(sizeof(struct __call_single_data)); + /* total number of cpus in this system (may exceed NR_CPUS) */ extern unsigned int total_cpus; @@ -48,7 +52,7 @@ void on_each_cpu_cond(bool (*cond_func)(int cpu, void *info), smp_call_func_t func, void *info, bool wait, gfp_t gfp_flags); -int smp_call_function_single_async(int cpu, struct call_single_data *csd); +int smp_call_function_single_async(int cpu, call_single_data_t *csd); #ifdef CONFIG_SMP diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index d9510e8522d4..69e079c5ff98 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -118,24 +118,41 @@ do { \ #endif /* - * Despite its name it doesn't necessarily has to be a full barrier. - * It should only guarantee that a STORE before the critical section - * can not be reordered with LOADs and STOREs inside this section. - * spin_lock() is the one-way barrier, this LOAD can not escape out - * of the region. So the default implementation simply ensures that - * a STORE can not move into the critical section, smp_wmb() should - * serialize it with another STORE done by spin_lock(). + * This barrier must provide two things: + * + * - it must guarantee a STORE before the spin_lock() is ordered against a + * LOAD after it, see the comments at its two usage sites. + * + * - it must ensure the critical section is RCsc. + * + * The latter is important for cases where we observe values written by other + * CPUs in spin-loops, without barriers, while being subject to scheduling. + * + * CPU0 CPU1 CPU2 + * + * for (;;) { + * if (READ_ONCE(X)) + * break; + * } + * X=1 + * <sched-out> + * <sched-in> + * r = X; + * + * without transitivity it could be that CPU1 observes X!=0 breaks the loop, + * we get migrated and CPU2 sees X==0. + * + * Since most load-store architectures implement ACQUIRE with an smp_mb() after + * the LL/SC loop, they need no further barriers. Similarly all our TSO + * architectures imply an smp_mb() for each atomic instruction and equally don't + * need more. + * + * Architectures that can implement ACQUIRE better need to take care. */ -#ifndef smp_mb__before_spinlock -#define smp_mb__before_spinlock() smp_wmb() +#ifndef smp_mb__after_spinlock +#define smp_mb__after_spinlock() do { } while (0) #endif -/** - * raw_spin_unlock_wait - wait until the spinlock gets unlocked - * @lock: the spinlock in question. - */ -#define raw_spin_unlock_wait(lock) arch_spin_unlock_wait(&(lock)->raw_lock) - #ifdef CONFIG_DEBUG_SPINLOCK extern void do_raw_spin_lock(raw_spinlock_t *lock) __acquires(lock); #define do_raw_spin_lock_flags(lock, flags) do_raw_spin_lock(lock) @@ -369,31 +386,6 @@ static __always_inline int spin_trylock_irq(spinlock_t *lock) raw_spin_trylock_irqsave(spinlock_check(lock), flags); \ }) -/** - * spin_unlock_wait - Interpose between successive critical sections - * @lock: the spinlock whose critical sections are to be interposed. - * - * Semantically this is equivalent to a spin_lock() immediately - * followed by a spin_unlock(). However, most architectures have - * more efficient implementations in which the spin_unlock_wait() - * cannot block concurrent lock acquisition, and in some cases - * where spin_unlock_wait() does not write to the lock variable. - * Nevertheless, spin_unlock_wait() can have high overhead, so if - * you feel the need to use it, please check to see if there is - * a better way to get your job done. - * - * The ordering guarantees provided by spin_unlock_wait() are: - * - * 1. All accesses preceding the spin_unlock_wait() happen before - * any accesses in later critical sections for this same lock. - * 2. All accesses following the spin_unlock_wait() happen after - * any accesses in earlier critical sections for this same lock. - */ -static __always_inline void spin_unlock_wait(spinlock_t *lock) -{ - raw_spin_unlock_wait(&lock->rlock); -} - static __always_inline int spin_is_locked(spinlock_t *lock) { return raw_spin_is_locked(&lock->rlock); diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h index 0d9848de677d..612fb530af41 100644 --- a/include/linux/spinlock_up.h +++ b/include/linux/spinlock_up.h @@ -26,11 +26,6 @@ #ifdef CONFIG_DEBUG_SPINLOCK #define arch_spin_is_locked(x) ((x)->slock == 0) -static inline void arch_spin_unlock_wait(arch_spinlock_t *lock) -{ - smp_cond_load_acquire(&lock->slock, VAL); -} - static inline void arch_spin_lock(arch_spinlock_t *lock) { lock->slock = 0; @@ -73,7 +68,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock) #else /* DEBUG_SPINLOCK */ #define arch_spin_is_locked(lock) ((void)(lock), 0) -#define arch_spin_unlock_wait(lock) do { barrier(); (void)(lock); } while (0) /* for sched/core.c and kernel_lock.c: */ # define arch_spin_lock(lock) do { barrier(); (void)(lock); } while (0) # define arch_spin_lock_flags(lock, flags) do { barrier(); (void)(lock); } while (0) diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h index cfbfc540cafc..261471f407a5 100644 --- a/include/linux/srcutiny.h +++ b/include/linux/srcutiny.h @@ -87,4 +87,17 @@ static inline void srcu_barrier(struct srcu_struct *sp) synchronize_srcu(sp); } +/* Defined here to avoid size increase for non-torture kernels. */ +static inline void srcu_torture_stats_print(struct srcu_struct *sp, + char *tt, char *tf) +{ + int idx; + + idx = READ_ONCE(sp->srcu_idx) & 0x1; + pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n", + tt, tf, idx, + READ_ONCE(sp->srcu_lock_nesting[!idx]), + READ_ONCE(sp->srcu_lock_nesting[idx])); +} + #endif diff --git a/include/linux/srcutree.h b/include/linux/srcutree.h index 42973f787e7e..a949f4f9e4d7 100644 --- a/include/linux/srcutree.h +++ b/include/linux/srcutree.h @@ -104,8 +104,6 @@ struct srcu_struct { #define SRCU_STATE_SCAN1 1 #define SRCU_STATE_SCAN2 2 -void process_srcu(struct work_struct *work); - #define __SRCU_STRUCT_INIT(name) \ { \ .sda = &name##_srcu_data, \ @@ -141,5 +139,6 @@ void process_srcu(struct work_struct *work); void synchronize_srcu_expedited(struct srcu_struct *sp); void srcu_barrier(struct srcu_struct *sp); +void srcu_torture_stats_print(struct srcu_struct *sp, char *tt, char *tf); #endif diff --git a/include/linux/suspend.h b/include/linux/suspend.h index 0b1cf32edfd7..d10b7980799d 100644 --- a/include/linux/suspend.h +++ b/include/linux/suspend.h @@ -33,10 +33,10 @@ static inline void pm_restore_console(void) typedef int __bitwise suspend_state_t; #define PM_SUSPEND_ON ((__force suspend_state_t) 0) -#define PM_SUSPEND_FREEZE ((__force suspend_state_t) 1) +#define PM_SUSPEND_TO_IDLE ((__force suspend_state_t) 1) #define PM_SUSPEND_STANDBY ((__force suspend_state_t) 2) #define PM_SUSPEND_MEM ((__force suspend_state_t) 3) -#define PM_SUSPEND_MIN PM_SUSPEND_FREEZE +#define PM_SUSPEND_MIN PM_SUSPEND_TO_IDLE #define PM_SUSPEND_MAX ((__force suspend_state_t) 4) enum suspend_stat_step { @@ -186,7 +186,7 @@ struct platform_suspend_ops { void (*recover)(void); }; -struct platform_freeze_ops { +struct platform_s2idle_ops { int (*begin)(void); int (*prepare)(void); void (*wake)(void); @@ -196,6 +196,9 @@ struct platform_freeze_ops { }; #ifdef CONFIG_SUSPEND +extern suspend_state_t mem_sleep_current; +extern suspend_state_t mem_sleep_default; + /** * suspend_set_ops - set platform dependent suspend operations * @ops: The new suspend operations to set. @@ -234,22 +237,22 @@ static inline bool pm_resume_via_firmware(void) } /* Suspend-to-idle state machnine. */ -enum freeze_state { - FREEZE_STATE_NONE, /* Not suspended/suspending. */ - FREEZE_STATE_ENTER, /* Enter suspend-to-idle. */ - FREEZE_STATE_WAKE, /* Wake up from suspend-to-idle. */ +enum s2idle_states { + S2IDLE_STATE_NONE, /* Not suspended/suspending. */ + S2IDLE_STATE_ENTER, /* Enter suspend-to-idle. */ + S2IDLE_STATE_WAKE, /* Wake up from suspend-to-idle. */ }; -extern enum freeze_state __read_mostly suspend_freeze_state; +extern enum s2idle_states __read_mostly s2idle_state; -static inline bool idle_should_freeze(void) +static inline bool idle_should_enter_s2idle(void) { - return unlikely(suspend_freeze_state == FREEZE_STATE_ENTER); + return unlikely(s2idle_state == S2IDLE_STATE_ENTER); } extern void __init pm_states_init(void); -extern void freeze_set_ops(const struct platform_freeze_ops *ops); -extern void freeze_wake(void); +extern void s2idle_set_ops(const struct platform_s2idle_ops *ops); +extern void s2idle_wake(void); /** * arch_suspend_disable_irqs - disable IRQs for suspend @@ -281,10 +284,10 @@ static inline bool pm_resume_via_firmware(void) { return false; } static inline void suspend_set_ops(const struct platform_suspend_ops *ops) {} static inline int pm_suspend(suspend_state_t state) { return -ENOSYS; } -static inline bool idle_should_freeze(void) { return false; } +static inline bool idle_should_enter_s2idle(void) { return false; } static inline void __init pm_states_init(void) {} -static inline void freeze_set_ops(const struct platform_freeze_ops *ops) {} -static inline void freeze_wake(void) {} +static inline void s2idle_set_ops(const struct platform_s2idle_ops *ops) {} +static inline void s2idle_wake(void) {} #endif /* !CONFIG_SUSPEND */ /* struct pbe is used for creating lists of pages that should be restored @@ -427,6 +430,7 @@ extern int unregister_pm_notifier(struct notifier_block *nb); /* drivers/base/power/wakeup.c */ extern bool events_check_enabled; extern unsigned int pm_wakeup_irq; +extern suspend_state_t pm_suspend_target_state; extern bool pm_wakeup_pending(void); extern void pm_system_wakeup(void); @@ -491,10 +495,24 @@ static inline void unlock_system_sleep(void) {} #ifdef CONFIG_PM_SLEEP_DEBUG extern bool pm_print_times_enabled; +extern bool pm_debug_messages_on; +extern __printf(2, 3) void __pm_pr_dbg(bool defer, const char *fmt, ...); #else #define pm_print_times_enabled (false) +#define pm_debug_messages_on (false) + +#include <linux/printk.h> + +#define __pm_pr_dbg(defer, fmt, ...) \ + no_printk(KERN_DEBUG fmt, ##__VA_ARGS__) #endif +#define pm_pr_dbg(fmt, ...) \ + __pm_pr_dbg(false, fmt, ##__VA_ARGS__) + +#define pm_deferred_pr_dbg(fmt, ...) \ + __pm_pr_dbg(true, fmt, ##__VA_ARGS__) + #ifdef CONFIG_PM_AUTOSLEEP /* kernel/power/autosleep.c */ diff --git a/include/linux/swait.h b/include/linux/swait.h index c1f9c62a8a50..4a4e180d0a35 100644 --- a/include/linux/swait.h +++ b/include/linux/swait.h @@ -169,4 +169,59 @@ do { \ __ret; \ }) +#define __swait_event_idle(wq, condition) \ + (void)___swait_event(wq, condition, TASK_IDLE, 0, schedule()) + +/** + * swait_event_idle - wait without system load contribution + * @wq: the waitqueue to wait on + * @condition: a C expression for the event to wait for + * + * The process is put to sleep (TASK_IDLE) until the @condition evaluates to + * true. The @condition is checked each time the waitqueue @wq is woken up. + * + * This function is mostly used when a kthread or workqueue waits for some + * condition and doesn't want to contribute to system load. Signals are + * ignored. + */ +#define swait_event_idle(wq, condition) \ +do { \ + if (condition) \ + break; \ + __swait_event_idle(wq, condition); \ +} while (0) + +#define __swait_event_idle_timeout(wq, condition, timeout) \ + ___swait_event(wq, ___wait_cond_timeout(condition), \ + TASK_IDLE, timeout, \ + __ret = schedule_timeout(__ret)) + +/** + * swait_event_idle_timeout - wait up to timeout without load contribution + * @wq: the waitqueue to wait on + * @condition: a C expression for the event to wait for + * @timeout: timeout at which we'll give up in jiffies + * + * The process is put to sleep (TASK_IDLE) until the @condition evaluates to + * true. The @condition is checked each time the waitqueue @wq is woken up. + * + * This function is mostly used when a kthread or workqueue waits for some + * condition and doesn't want to contribute to system load. Signals are + * ignored. + * + * Returns: + * 0 if the @condition evaluated to %false after the @timeout elapsed, + * 1 if the @condition evaluated to %true after the @timeout elapsed, + * or the remaining jiffies (at least 1) if the @condition evaluated + * to %true before the @timeout elapsed. + */ +#define swait_event_idle_timeout(wq, condition, timeout) \ +({ \ + long __ret = timeout; \ + if (!___wait_cond_timeout(condition)) \ + __ret = __swait_event_idle_timeout(wq, \ + condition, timeout); \ + __ret; \ +}) + #endif /* _LINUX_SWAIT_H */ diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index 4ee479f2f355..15e7160751a8 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -35,6 +35,7 @@ int swiotlb_init_with_tbl(char *tlb, unsigned long nslabs, int verbose); extern unsigned long swiotlb_nr_tbl(void); unsigned long swiotlb_size_or_default(void); extern int swiotlb_late_init_with_tbl(char *tlb, unsigned long nslabs); +extern void __init swiotlb_update_mem_attributes(void); /* * Enumeration for sync targets diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index c9170218e9e6..88951b795ee3 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -100,11 +100,12 @@ union bpf_attr; #define __MAP(n,...) __MAP##n(__VA_ARGS__) #define __SC_DECL(t, a) t a -#define __TYPE_IS_L(t) (__same_type((t)0, 0L)) -#define __TYPE_IS_UL(t) (__same_type((t)0, 0UL)) -#define __TYPE_IS_LL(t) (__same_type((t)0, 0LL) || __same_type((t)0, 0ULL)) +#define __TYPE_AS(t, v) __same_type((__force t)0, v) +#define __TYPE_IS_L(t) (__TYPE_AS(t, 0L)) +#define __TYPE_IS_UL(t) (__TYPE_AS(t, 0UL)) +#define __TYPE_IS_LL(t) (__TYPE_AS(t, 0LL) || __TYPE_AS(t, 0ULL)) #define __SC_LONG(t, a) __typeof(__builtin_choose_expr(__TYPE_IS_LL(t), 0LL, 0L)) a -#define __SC_CAST(t, a) (t) a +#define __SC_CAST(t, a) (__force t) a #define __SC_ARGS(t, a) a #define __SC_TEST(t, a) (void)BUILD_BUG_ON_ZERO(!__TYPE_IS_LL(t) && sizeof(t) > sizeof(long)) @@ -218,6 +219,22 @@ static inline int is_syscall_trace_event(struct trace_event_call *tp_event) } \ static inline long SYSC##name(__MAP(x,__SC_DECL,__VA_ARGS__)) +#ifdef TIF_FSCHECK +/* + * Called before coming back to user-mode. Returning to user-mode with an + * address limit different than USER_DS can allow to overwrite kernel memory. + */ +static inline void addr_limit_user_check(void) +{ + + if (!test_thread_flag(TIF_FSCHECK)) + return; + + BUG_ON(!segment_eq(get_fs(), USER_DS)); + clear_thread_flag(TIF_FSCHECK); +} +#endif + asmlinkage long sys32_quotactl(unsigned int cmd, const char __user *special, qid_t id, void __user *addr); asmlinkage long sys_time(time_t __user *tloc); @@ -590,12 +607,12 @@ asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h); asmlinkage long sys_preadv2(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h, - int flags); + rwf_t flags); asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h); asmlinkage long sys_pwritev2(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h, - int flags); + rwf_t flags); asmlinkage long sys_getcwd(char __user *buf, unsigned long size); asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); asmlinkage long sys_chdir(const char __user *filename); diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 250a27614328..905d769d8ddc 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -38,6 +38,10 @@ enum { #ifdef __KERNEL__ +#ifndef THREAD_ALIGN +#define THREAD_ALIGN THREAD_SIZE +#endif + #ifdef CONFIG_DEBUG_STACK_USAGE # define THREADINFO_GFP (GFP_KERNEL_ACCOUNT | __GFP_NOTRACK | \ __GFP_ZERO) diff --git a/include/linux/time.h b/include/linux/time.h index 4abb32d4c6b8..3877136bbdf8 100644 --- a/include/linux/time.h +++ b/include/linux/time.h @@ -285,4 +285,19 @@ static inline bool itimerspec64_valid(const struct itimerspec64 *its) return true; } +/** + * time_after32 - compare two 32-bit relative times + * @a: the time which may be after @b + * @b: the time which may be before @a + * + * time_after32(a, b) returns true if the time @a is after time @b. + * time_before32(b, a) returns true if the time @b is before time @a. + * + * Similar to time_after(), compare two 32-bit timestamps for relative + * times. This is useful for comparing 32-bit seconds values that can't + * be converted to 64-bit values (e.g. due to disk format or wire protocol + * issues) when it is known that the times are less than 68 years apart. + */ +#define time_after32(a, b) ((s32)((u32)(b) - (u32)(a)) < 0) +#define time_before32(b, a) time_after32(a, b) #endif diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 536c80ff7ad9..5012b524283d 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -508,9 +508,9 @@ void perf_trace_run_bpf_submit(void *raw_data, int size, int rctx, static inline void perf_trace_buf_submit(void *raw_data, int size, int rctx, u16 type, u64 count, struct pt_regs *regs, void *head, - struct task_struct *task) + struct task_struct *task, struct perf_event *event) { - perf_tp_event(type, count, raw_data, size, regs, head, rctx, task); + perf_tp_event(type, count, raw_data, size, regs, head, rctx, task, event); } #endif diff --git a/include/linux/tty.h b/include/linux/tty.h index 79c30daf46a9..cf53eb539f6e 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -261,6 +261,8 @@ struct tty_port { */ #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 @@ -399,8 +401,8 @@ extern struct tty_struct *get_current_tty(void); /* tty_io.c */ extern int __init tty_init(void); extern const char *tty_name(const struct tty_struct *tty); -extern struct tty_struct *tty_open_by_driver(dev_t device, struct inode *inode, - struct file *filp); +extern struct tty_struct *tty_kopen(dev_t device); +extern void tty_kclose(struct tty_struct *tty); extern int tty_dev_name_to_number(const char *name, dev_t *number); #else static inline void tty_kref_put(struct tty_struct *tty) @@ -422,9 +424,10 @@ static inline int __init tty_init(void) { return 0; } static inline const char *tty_name(const struct tty_struct *tty) { return "(none)"; } -static inline struct tty_struct *tty_open_by_driver(dev_t device, - struct inode *inode, struct file *filp) -{ return NULL; } +static inline struct tty_struct *tty_kopen(dev_t device) +{ return ERR_PTR(-ENODEV); } +static inline void tty_kclose(struct tty_struct *tty) +{ } static inline int tty_dev_name_to_number(const char *name, dev_t *number) { return -ENOTSUPP; } #endif @@ -652,6 +655,19 @@ static inline void tty_port_set_initialized(struct tty_port *port, bool val) clear_bit(TTY_PORT_INITIALIZED, &port->iflags); } +static inline bool tty_port_kopened(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) +{ + if (val) + set_bit(TTY_PORT_KOPENED, &port->iflags); + else + clear_bit(TTY_PORT_KOPENED, &port->iflags); +} + 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); diff --git a/include/linux/tty_driver.h b/include/linux/tty_driver.h index 00b2213f6a35..fcdc0f5d9098 100644 --- a/include/linux/tty_driver.h +++ b/include/linux/tty_driver.h @@ -243,6 +243,7 @@ #include <linux/list.h> #include <linux/cdev.h> #include <linux/termios.h> +#include <linux/seq_file.h> struct tty_struct; struct tty_driver; @@ -285,6 +286,7 @@ struct tty_operations { int (*set_termiox)(struct tty_struct *tty, struct termiox *tnew); int (*get_icount)(struct tty_struct *tty, struct serial_icounter_struct *icount); + void (*show_fdinfo)(struct tty_struct *tty, struct seq_file *m); #ifdef CONFIG_CONSOLE_POLL int (*poll_init)(struct tty_driver *driver, int line, char *options); int (*poll_get_char)(struct tty_driver *driver, int line); diff --git a/include/linux/tty_flip.h b/include/linux/tty_flip.h index c28dd523f96e..d43837f2ce3a 100644 --- a/include/linux/tty_flip.h +++ b/include/linux/tty_flip.h @@ -12,6 +12,7 @@ extern int tty_prepare_flip_string(struct tty_port *port, unsigned char **chars, size_t size); extern void tty_flip_buffer_push(struct tty_port *port); void tty_schedule_flip(struct tty_port *port); +int __tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag); static inline int tty_insert_flip_char(struct tty_port *port, unsigned char ch, char flag) @@ -26,7 +27,7 @@ static inline int tty_insert_flip_char(struct tty_port *port, *char_buf_ptr(tb, tb->used++) = ch; return 1; } - return tty_insert_flip_string_flags(port, &ch, &flag, 1); + return __tty_insert_flip_char(port, ch, flag); } static inline int tty_insert_flip_string(struct tty_port *port, diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index acdd6f915a8d..20ef8e6ec2db 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -156,7 +156,7 @@ copy_to_user(void __user *to, const void *from, unsigned long n) } #ifdef CONFIG_COMPAT static __always_inline unsigned long __must_check -copy_in_user(void __user *to, const void *from, unsigned long n) +copy_in_user(void __user *to, const void __user *from, unsigned long n) { might_fault(); if (access_ok(VERIFY_WRITE, to, n) && access_ok(VERIFY_READ, from, n)) diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index c5fdfcf99828..d725cff7268d 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -58,6 +58,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_OVERRIDE_TX_BURST BIT(10) #define CI_HDRC_OVERRIDE_RX_BURST BIT(11) #define CI_HDRC_OVERRIDE_PHY_CONTROL BIT(12) /* Glue layer manages phy */ +#define CI_HDRC_REQUIRES_ALIGNED_DMA BIT(13) enum usb_dr_mode dr_mode; #define CI_HDRC_CONTROLLER_RESET_EVENT 0 #define CI_HDRC_CONTROLLER_STOPPED_EVENT 1 diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 1a4a4bacfae6..21468a722c4a 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -48,6 +48,7 @@ struct usb_ep; * by adding a zero length packet as needed; * @short_not_ok: When reading data, makes short packets be * treated as errors (queue stops advancing till cleanup). + * @dma_mapped: Indicates if request has been mapped to DMA (internal) * @complete: Function called when request completes, so this request and * its buffer may be re-used. The function will always be called with * interrupts disabled, and it must not sleep. @@ -103,6 +104,7 @@ struct usb_request { unsigned no_interrupt:1; unsigned zero:1; unsigned short_not_ok:1; + unsigned dma_mapped:1; void (*complete)(struct usb_ep *ep, struct usb_request *req); diff --git a/include/linux/usb/phy.h b/include/linux/usb/phy.h index 299245105610..8c6914873a16 100644 --- a/include/linux/usb/phy.h +++ b/include/linux/usb/phy.h @@ -12,6 +12,7 @@ #include <linux/extcon.h> #include <linux/notifier.h> #include <linux/usb.h> +#include <uapi/linux/usb/charger.h> enum usb_phy_interface { USBPHY_INTERFACE_MODE_UNKNOWN, @@ -72,6 +73,17 @@ struct usb_phy_io_ops { int (*write)(struct usb_phy *x, u32 val, u32 reg); }; +struct usb_charger_current { + unsigned int sdp_min; + unsigned int sdp_max; + unsigned int dcp_min; + unsigned int dcp_max; + unsigned int cdp_min; + unsigned int cdp_max; + unsigned int aca_min; + unsigned int aca_max; +}; + struct usb_phy { struct device *dev; const char *label; @@ -91,6 +103,13 @@ struct usb_phy { struct extcon_dev *id_edev; struct notifier_block vbus_nb; struct notifier_block id_nb; + struct notifier_block type_nb; + + /* Support USB charger */ + enum usb_charger_type chg_type; + enum usb_charger_state chg_state; + struct usb_charger_current chg_cur; + struct work_struct chg_work; /* for notification of usb_phy_events */ struct atomic_notifier_head notifier; @@ -129,6 +148,12 @@ struct usb_phy { enum usb_device_speed speed); int (*notify_disconnect)(struct usb_phy *x, enum usb_device_speed speed); + + /* + * Charger detection method can be implemented if you need to + * manually detect the charger type. + */ + enum usb_charger_type (*charger_detect)(struct usb_phy *x); }; /** @@ -219,6 +244,12 @@ extern void devm_usb_put_phy(struct device *dev, struct usb_phy *x); extern int usb_bind_phy(const char *dev_name, u8 index, const char *phy_dev_name); extern void usb_phy_set_event(struct usb_phy *x, unsigned long event); +extern void usb_phy_set_charger_current(struct usb_phy *usb_phy, + unsigned int mA); +extern void usb_phy_get_charger_current(struct usb_phy *usb_phy, + unsigned int *min, unsigned int *max); +extern void usb_phy_set_charger_state(struct usb_phy *usb_phy, + enum usb_charger_state state); #else static inline struct usb_phy *usb_get_phy(enum usb_phy_type type) { @@ -270,12 +301,33 @@ static inline int usb_bind_phy(const char *dev_name, u8 index, static inline void usb_phy_set_event(struct usb_phy *x, unsigned long event) { } + +static inline void usb_phy_set_charger_current(struct usb_phy *usb_phy, + unsigned int mA) +{ +} + +static inline void usb_phy_get_charger_current(struct usb_phy *usb_phy, + unsigned int *min, + unsigned int *max) +{ +} + +static inline void usb_phy_set_charger_state(struct usb_phy *usb_phy, + enum usb_charger_state state) +{ +} #endif static inline int usb_phy_set_power(struct usb_phy *x, unsigned mA) { - if (x && x->set_power) + if (!x) + return 0; + + usb_phy_set_charger_current(x, mA); + + if (x->set_power) return x->set_power(x, mA); return 0; } diff --git a/include/linux/w1.h b/include/linux/w1.h index 90cbe7e65059..5b2972946dda 100644 --- a/include/linux/w1.h +++ b/include/linux/w1.h @@ -68,6 +68,7 @@ struct w1_reg_num { * @family: module for device family type * @family_data: pointer for use by the family module * @dev: kernel device identifier + * @hwmon: pointer to hwmon device * */ struct w1_slave { @@ -83,6 +84,7 @@ struct w1_slave { struct w1_family *family; void *family_data; struct device dev; + struct device *hwmon; }; typedef void (*w1_slave_found_callback)(struct w1_master *, u64); @@ -250,11 +252,13 @@ void w1_remove_master_device(struct w1_bus_master *master); * @add_slave: add_slave * @remove_slave: remove_slave * @groups: sysfs group + * @chip_info: pointer to struct hwmon_chip_info */ struct w1_family_ops { int (*add_slave)(struct w1_slave *sl); void (*remove_slave)(struct w1_slave *sl); const struct attribute_group **groups; + const struct hwmon_chip_info *chip_info; }; /** diff --git a/include/media/vsp1.h b/include/media/vsp1.h index c837383b2013..68a8abe4fac5 100644 --- a/include/media/vsp1.h +++ b/include/media/vsp1.h @@ -34,11 +34,12 @@ struct vsp1_du_lif_config { unsigned int width; unsigned int height; - void (*callback)(void *); + void (*callback)(void *, bool); void *callback_data; }; -int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg); +int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, + const struct vsp1_du_lif_config *cfg); struct vsp1_du_atomic_config { u32 pixelformat; @@ -50,10 +51,11 @@ struct vsp1_du_atomic_config { unsigned int zpos; }; -void vsp1_du_atomic_begin(struct device *dev); -int vsp1_du_atomic_update(struct device *dev, unsigned int rpf, +void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index); +int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, + unsigned int rpf, const struct vsp1_du_atomic_config *cfg); -void vsp1_du_atomic_flush(struct device *dev); +void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index); int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt); void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt); diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h index b73a14edc85e..ec5008cf5d51 100644 --- a/include/rdma/ib_addr.h +++ b/include/rdma/ib_addr.h @@ -172,7 +172,8 @@ static inline int rdma_ip2gid(struct sockaddr *addr, union ib_gid *gid) (struct in6_addr *)gid); break; case AF_INET6: - memcpy(gid->raw, &((struct sockaddr_in6 *)addr)->sin6_addr, 16); + *(struct in6_addr *)&gid->raw = + ((struct sockaddr_in6 *)addr)->sin6_addr; break; default: return -EINVAL; @@ -304,7 +305,13 @@ static inline void rdma_get_ll_mac(struct in6_addr *addr, u8 *mac) static inline int rdma_is_multicast_addr(struct in6_addr *addr) { - return addr->s6_addr[0] == 0xff; + u32 ipv4_addr; + + if (addr->s6_addr[0] == 0xff) + return 1; + + memcpy(&ipv4_addr, addr->s6_addr + 12, 4); + return (ipv6_addr_v4mapped(addr) && ipv4_is_multicast(ipv4_addr)); } static inline void rdma_get_mcast_mac(struct in6_addr *addr, u8 *mac) diff --git a/include/rdma/ib_hdrs.h b/include/rdma/ib_hdrs.h index 5519f31f043a..c124d515f7d5 100644 --- a/include/rdma/ib_hdrs.h +++ b/include/rdma/ib_hdrs.h @@ -193,8 +193,12 @@ static inline void put_ib_ateth_compare(u64 val, struct ib_atomic_eth *ateth) #define IB_LNH_MASK 3 #define IB_SC_MASK 0xf #define IB_SC_SHIFT 12 +#define IB_SC5_MASK 0x10 #define IB_SL_MASK 0xf #define IB_SL_SHIFT 4 +#define IB_SL_SHIFT 4 +#define IB_LVER_MASK 0xf +#define IB_LVER_SHIFT 8 static inline u8 ib_get_lnh(struct ib_header *hdr) { @@ -206,6 +210,11 @@ static inline u8 ib_get_sc(struct ib_header *hdr) return ((be16_to_cpu(hdr->lrh[0]) >> IB_SC_SHIFT) & IB_SC_MASK); } +static inline bool ib_is_sc5(u16 sc5) +{ + return !!(sc5 & IB_SC5_MASK); +} + static inline u8 ib_get_sl(struct ib_header *hdr) { return ((be16_to_cpu(hdr->lrh[0]) >> IB_SL_SHIFT) & IB_SL_MASK); @@ -221,6 +230,27 @@ static inline u16 ib_get_slid(struct ib_header *hdr) return (be16_to_cpu(hdr->lrh[3])); } +static inline u8 ib_get_lver(struct ib_header *hdr) +{ + return (u8)((be16_to_cpu(hdr->lrh[0]) >> IB_LVER_SHIFT) & + IB_LVER_MASK); +} + +static inline u16 ib_get_len(struct ib_header *hdr) +{ + return (u16)(be16_to_cpu(hdr->lrh[2])); +} + +static inline u32 ib_get_qkey(struct ib_other_headers *ohdr) +{ + return be32_to_cpu(ohdr->u.ud.deth[0]); +} + +static inline u32 ib_get_sqpn(struct ib_other_headers *ohdr) +{ + return ((be32_to_cpu(ohdr->u.ud.deth[1])) & IB_QPN_MASK); +} + /* * BTH */ @@ -229,6 +259,14 @@ static inline u16 ib_get_slid(struct ib_header *hdr) #define IB_BTH_PAD_MASK 3 #define IB_BTH_PKEY_MASK 0xffff #define IB_BTH_PAD_SHIFT 20 +#define IB_BTH_A_MASK 1 +#define IB_BTH_A_SHIFT 31 +#define IB_BTH_M_MASK 1 +#define IB_BTH_M_SHIFT 22 +#define IB_BTH_SE_MASK 1 +#define IB_BTH_SE_SHIFT 23 +#define IB_BTH_TVER_MASK 0xf +#define IB_BTH_TVER_SHIFT 16 static inline u8 ib_bth_get_pad(struct ib_other_headers *ohdr) { @@ -247,4 +285,50 @@ static inline u8 ib_bth_get_opcode(struct ib_other_headers *ohdr) IB_BTH_OPCODE_MASK); } +static inline u8 ib_bth_get_ackreq(struct ib_other_headers *ohdr) +{ + return (u8)((be32_to_cpu(ohdr->bth[2]) >> IB_BTH_A_SHIFT) & + IB_BTH_A_MASK); +} + +static inline u8 ib_bth_get_migreq(struct ib_other_headers *ohdr) +{ + return (u8)((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_M_SHIFT) & + IB_BTH_M_MASK); +} + +static inline u8 ib_bth_get_se(struct ib_other_headers *ohdr) +{ + return (u8)((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_SE_SHIFT) & + IB_BTH_SE_MASK); +} + +static inline u32 ib_bth_get_psn(struct ib_other_headers *ohdr) +{ + return (u32)(be32_to_cpu(ohdr->bth[2])); +} + +static inline u32 ib_bth_get_qpn(struct ib_other_headers *ohdr) +{ + return (u32)((be32_to_cpu(ohdr->bth[1])) & IB_QPN_MASK); +} + +static inline u8 ib_bth_get_becn(struct ib_other_headers *ohdr) +{ + return (u8)((be32_to_cpu(ohdr->bth[1]) >> IB_BECN_SHIFT) & + IB_BECN_MASK); +} + +static inline u8 ib_bth_get_fecn(struct ib_other_headers *ohdr) +{ + return (u8)((be32_to_cpu(ohdr->bth[1]) >> IB_FECN_SHIFT) & + IB_FECN_MASK); +} + +static inline u8 ib_bth_get_tver(struct ib_other_headers *ohdr) +{ + return (u8)((be32_to_cpu(ohdr->bth[0]) >> IB_BTH_TVER_SHIFT) & + IB_BTH_TVER_MASK); +} + #endif /* IB_HDRS_H */ diff --git a/include/rdma/ib_marshall.h b/include/rdma/ib_marshall.h index 68cef3bd50fb..8ebf84ae9ed1 100644 --- a/include/rdma/ib_marshall.h +++ b/include/rdma/ib_marshall.h @@ -38,10 +38,12 @@ #include <rdma/ib_user_verbs.h> #include <rdma/ib_user_sa.h> -void ib_copy_qp_attr_to_user(struct ib_uverbs_qp_attr *dst, +void ib_copy_qp_attr_to_user(struct ib_device *device, + struct ib_uverbs_qp_attr *dst, struct ib_qp_attr *src); -void ib_copy_ah_attr_to_user(struct ib_uverbs_ah_attr *dst, +void ib_copy_ah_attr_to_user(struct ib_device *device, + struct ib_uverbs_ah_attr *dst, struct rdma_ah_attr *src); void ib_copy_path_rec_to_user(struct ib_user_path_rec *dst, diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 88c32aba32f7..e6df68048517 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -64,6 +64,8 @@ #include <linux/cgroup_rdma.h> #include <uapi/rdma/ib_user_verbs.h> +#define IB_FW_VERSION_NAME_MAX ETHTOOL_FWVERS_LEN + extern struct workqueue_struct *ib_wq; extern struct workqueue_struct *ib_comp_wq; @@ -168,7 +170,7 @@ enum ib_device_cap_flags { IB_DEVICE_UD_AV_PORT_ENFORCE = (1 << 6), IB_DEVICE_CURR_QP_STATE_MOD = (1 << 7), IB_DEVICE_SHUTDOWN_PORT = (1 << 8), - IB_DEVICE_INIT_TYPE = (1 << 9), + /* Not in use, former INIT_TYPE = (1 << 9),*/ IB_DEVICE_PORT_ACTIVE_EVENT = (1 << 10), IB_DEVICE_SYS_IMAGE_GUID = (1 << 11), IB_DEVICE_RC_RNR_NAK_GEN = (1 << 12), @@ -183,7 +185,7 @@ enum ib_device_cap_flags { * which will always contain a usable lkey. */ IB_DEVICE_LOCAL_DMA_LKEY = (1 << 15), - IB_DEVICE_RESERVED /* old SEND_W_INV */ = (1 << 16), + /* Reserved, old SEND_W_INV = (1 << 16),*/ IB_DEVICE_MEM_WINDOW = (1 << 17), /* * Devices should set IB_DEVICE_UD_IP_SUM if they support @@ -218,7 +220,7 @@ enum ib_device_cap_flags { * of I/O operations with single completion queue managed * by hardware. */ - IB_DEVICE_CROSS_CHANNEL = (1 << 27), + IB_DEVICE_CROSS_CHANNEL = (1 << 27), IB_DEVICE_MANAGED_FLOW_STEERING = (1 << 29), IB_DEVICE_SIGNATURE_HANDOVER = (1 << 30), IB_DEVICE_ON_DEMAND_PAGING = (1ULL << 31), @@ -278,6 +280,24 @@ struct ib_rss_caps { u32 max_rwq_indirection_table_size; }; +enum ib_tm_cap_flags { + /* Support tag matching on RC transport */ + IB_TM_CAP_RC = 1 << 0, +}; + +struct ib_xrq_caps { + /* Max size of RNDV header */ + u32 max_rndv_hdr_size; + /* Max number of entries in tag matching list */ + u32 max_num_tags; + /* From enum ib_tm_cap_flags */ + u32 flags; + /* Max number of outstanding list operations */ + u32 max_ops; + /* Max number of SGE in tag matching entry */ + u32 max_sge; +}; + enum ib_cq_creation_flags { IB_CQ_FLAGS_TIMESTAMP_COMPLETION = 1 << 0, IB_CQ_FLAGS_IGNORE_OVERRUN = 1 << 1, @@ -338,6 +358,7 @@ struct ib_device_attr { struct ib_rss_caps rss_caps; u32 max_wq_type_rq; u32 raw_packet_caps; /* Use ib_raw_packet_caps enum */ + struct ib_xrq_caps xrq_caps; }; enum ib_mtu { @@ -549,8 +570,8 @@ struct ib_port_attr { u32 bad_pkey_cntr; u32 qkey_viol_cntr; u16 pkey_tbl_len; - u16 lid; - u16 sm_lid; + u32 sm_lid; + u32 lid; u8 lmc; u8 max_vl_num; u8 sm_sl; @@ -577,7 +598,8 @@ struct ib_device_modify { enum ib_port_modify_flags { IB_PORT_SHUTDOWN = 1, IB_PORT_INIT_TYPE = (1<<2), - IB_PORT_RESET_QKEY_CNTR = (1<<3) + IB_PORT_RESET_QKEY_CNTR = (1<<3), + IB_PORT_OPA_MASK_CHG = (1<<4) }; struct ib_port_modify { @@ -664,6 +686,8 @@ union rdma_network_hdr { }; }; +#define IB_QPN_MASK 0xFFFFFF + enum { IB_MULTICAST_QPN = 0xffffff }; @@ -859,6 +883,7 @@ struct roce_ah_attr { struct opa_ah_attr { u32 dlid; u8 src_path_bits; + bool make_grd; }; struct rdma_ah_attr { @@ -948,7 +973,7 @@ struct ib_wc { u32 src_qp; int wc_flags; u16 pkey_index; - u16 slid; + u32 slid; u8 sl; u8 dlid_path_bits; u8 port_num; /* valid only for DR SMPs on switches */ @@ -966,9 +991,16 @@ enum ib_cq_notify_flags { enum ib_srq_type { IB_SRQT_BASIC, - IB_SRQT_XRC + IB_SRQT_XRC, + IB_SRQT_TM, }; +static inline bool ib_srq_has_cq(enum ib_srq_type srq_type) +{ + return srq_type == IB_SRQT_XRC || + srq_type == IB_SRQT_TM; +} + enum ib_srq_attr_mask { IB_SRQ_MAX_WR = 1 << 0, IB_SRQ_LIMIT = 1 << 1, @@ -986,11 +1018,17 @@ struct ib_srq_init_attr { struct ib_srq_attr attr; enum ib_srq_type srq_type; - union { - struct { - struct ib_xrcd *xrcd; - struct ib_cq *cq; - } xrc; + struct { + struct ib_cq *cq; + union { + struct { + struct ib_xrcd *xrcd; + } xrc; + + struct { + u32 max_num_tags; + } tag_matching; + }; } ext; }; @@ -1059,6 +1097,7 @@ enum ib_qp_create_flags { /* FREE = 1 << 7, */ IB_QP_CREATE_SCATTER_FCS = 1 << 8, IB_QP_CREATE_CVLAN_STRIPPING = 1 << 9, + IB_QP_CREATE_SOURCE_QPN = 1 << 10, /* reserve bits 26-31 for low level drivers' internal use */ IB_QP_CREATE_RESERVED_START = 1 << 26, IB_QP_CREATE_RESERVED_END = 1 << 31, @@ -1086,6 +1125,7 @@ struct ib_qp_init_attr { */ u8 port_num; struct ib_rwq_ind_table *rwq_ind_tbl; + u32 source_qpn; }; struct ib_qp_open_attr { @@ -1527,12 +1567,14 @@ struct ib_srq { enum ib_srq_type srq_type; atomic_t usecnt; - union { - struct { - struct ib_xrcd *xrcd; - struct ib_cq *cq; - u32 srq_num; - } xrc; + struct { + struct ib_cq *cq; + union { + struct { + struct ib_xrcd *xrcd; + u32 srq_num; + } xrc; + }; } ext; }; @@ -1546,6 +1588,10 @@ enum ib_raw_packet_caps { IB_RAW_PACKET_CAP_SCATTER_FCS = (1 << 1), /* Checksum offloads are supported (for both send and receive). */ IB_RAW_PACKET_CAP_IP_CSUM = (1 << 2), + /* When a packet is received for an RQ with no receive WQEs, the + * packet processing is delayed. + */ + IB_RAW_PACKET_CAP_DELAY_DROP = (1 << 3), }; enum ib_wq_type { @@ -1574,6 +1620,7 @@ struct ib_wq { enum ib_wq_flags { IB_WQ_FLAGS_CVLAN_STRIPPING = 1 << 0, IB_WQ_FLAGS_SCATTER_FCS = 1 << 1, + IB_WQ_FLAGS_DELAY_DROP = 1 << 2, }; struct ib_wq_init_attr { @@ -2289,6 +2336,8 @@ struct ib_device { struct rdmacg_device cg_device; #endif + u32 index; + /** * The following mandatory functions are used only at device * registration. Keep functions such as these at the end of this @@ -2296,7 +2345,11 @@ struct ib_device { * in fast paths. */ int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *); - void (*get_dev_fw_str)(struct ib_device *, char *str, size_t str_len); + void (*get_dev_fw_str)(struct ib_device *, char *str); + const struct cpumask *(*get_vector_affinity)(struct ib_device *ibdev, + int comp_vector); + + struct uverbs_root_spec *specs_root; }; struct ib_client { @@ -2332,7 +2385,7 @@ struct ib_client { struct ib_device *ib_alloc_device(size_t size); void ib_dealloc_device(struct ib_device *device); -void ib_get_device_fw_str(struct ib_device *device, char *str, size_t str_len); +void ib_get_device_fw_str(struct ib_device *device, char *str); int ib_register_device(struct ib_device *device, int (*port_callback)(struct ib_device *, @@ -2396,8 +2449,8 @@ int ib_modify_qp_is_ok(enum ib_qp_state cur_state, enum ib_qp_state next_state, enum ib_qp_type type, enum ib_qp_attr_mask mask, enum rdma_link_layer ll); -int ib_register_event_handler (struct ib_event_handler *event_handler); -int ib_unregister_event_handler(struct ib_event_handler *event_handler); +void ib_register_event_handler(struct ib_event_handler *event_handler); +void ib_unregister_event_handler(struct ib_event_handler *event_handler); void ib_dispatch_event(struct ib_event *event); int ib_query_port(struct ib_device *device, @@ -3556,6 +3609,7 @@ void ib_drain_qp(struct ib_qp *qp); int ib_resolve_eth_dmac(struct ib_device *device, struct rdma_ah_attr *ah_attr); +int ib_get_eth_speed(struct ib_device *dev, u8 port_num, u8 *speed, u8 *width); static inline u8 *rdma_ah_retrieve_dmac(struct rdma_ah_attr *attr) { @@ -3609,6 +3663,20 @@ static inline u8 rdma_ah_get_path_bits(const struct rdma_ah_attr *attr) return 0; } +static inline void rdma_ah_set_make_grd(struct rdma_ah_attr *attr, + bool make_grd) +{ + if (attr->type == RDMA_AH_ATTR_TYPE_OPA) + attr->opa.make_grd = make_grd; +} + +static inline bool rdma_ah_get_make_grd(const struct rdma_ah_attr *attr) +{ + if (attr->type == RDMA_AH_ATTR_TYPE_OPA) + return attr->opa.make_grd; + return false; +} + static inline void rdma_ah_set_port_num(struct rdma_ah_attr *attr, u8 port_num) { attr->port_num = port_num; @@ -3707,4 +3775,52 @@ static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev, else return RDMA_AH_ATTR_TYPE_IB; } + +/** + * ib_lid_cpu16 - Return lid in 16bit CPU encoding. + * In the current implementation the only way to get + * get the 32bit lid is from other sources for OPA. + * For IB, lids will always be 16bits so cast the + * value accordingly. + * + * @lid: A 32bit LID + */ +static inline u16 ib_lid_cpu16(u32 lid) +{ + WARN_ON_ONCE(lid & 0xFFFF0000); + return (u16)lid; +} + +/** + * ib_lid_be16 - Return lid in 16bit BE encoding. + * + * @lid: A 32bit LID + */ +static inline __be16 ib_lid_be16(u32 lid) +{ + WARN_ON_ONCE(lid & 0xFFFF0000); + return cpu_to_be16((u16)lid); +} + +/** + * ib_get_vector_affinity - Get the affinity mappings of a given completion + * vector + * @device: the rdma device + * @comp_vector: index of completion vector + * + * Returns NULL on failure, otherwise a corresponding cpu map of the + * completion vector (returns all-cpus map if the device driver doesn't + * implement get_vector_affinity). + */ +static inline const struct cpumask * +ib_get_vector_affinity(struct ib_device *device, int comp_vector) +{ + if (comp_vector < 0 || comp_vector >= device->num_comp_vectors || + !device->get_vector_affinity) + return NULL; + + return device->get_vector_affinity(device, comp_vector); + +} + #endif /* IB_VERBS_H */ diff --git a/include/rdma/opa_addr.h b/include/rdma/opa_addr.h index eace28f1555d..e6e90f18e6d5 100644 --- a/include/rdma/opa_addr.h +++ b/include/rdma/opa_addr.h @@ -48,8 +48,21 @@ #ifndef OPA_ADDR_H #define OPA_ADDR_H +#include <rdma/opa_smi.h> + #define OPA_SPECIAL_OUI (0x00066AULL) #define OPA_MAKE_ID(x) (cpu_to_be64(OPA_SPECIAL_OUI << 40 | (x))) +#define OPA_TO_IB_UCAST_LID(x) (((x) >= be16_to_cpu(IB_MULTICAST_LID_BASE)) \ + ? 0 : x) +#define OPA_GID_INDEX 0x1 +/** + * 0xF8 - 4 bits of multicast range and 1 bit for collective range + * Example: For 24 bit LID space, + * Multicast range: 0xF00000 to 0xF7FFFF + * Collective range: 0xF80000 to 0xFFFFFE + */ +#define OPA_MCAST_NR 0x4 /* Number of top bits set */ +#define OPA_COLLECTIVE_NR 0x1 /* Number of bits after MCAST_NR */ /** * ib_is_opa_gid: Returns true if the top 24 bits of the gid @@ -59,7 +72,7 @@ * * @gid: The Global identifier */ -static inline bool ib_is_opa_gid(union ib_gid *gid) +static inline bool ib_is_opa_gid(const union ib_gid *gid) { return ((be64_to_cpu(gid->global.interface_id) >> 40) == OPA_SPECIAL_OUI); @@ -72,8 +85,33 @@ static inline bool ib_is_opa_gid(union ib_gid *gid) * * @gid: The Global identifier */ -static inline u32 opa_get_lid_from_gid(union ib_gid *gid) +static inline u32 opa_get_lid_from_gid(const union ib_gid *gid) { return be64_to_cpu(gid->global.interface_id) & 0xFFFFFFFF; } + +/** + * opa_is_extended_lid: Returns true if dlid or slid are + * extended. + * + * @dlid: The DLID + * @slid: The SLID + */ +static inline bool opa_is_extended_lid(u32 dlid, u32 slid) +{ + if ((be32_to_cpu(dlid) >= + be16_to_cpu(IB_MULTICAST_LID_BASE)) || + (be32_to_cpu(slid) >= + be16_to_cpu(IB_MULTICAST_LID_BASE))) + return true; + else + return false; +} + +/* Get multicast lid base */ +static inline u32 opa_get_mcast_base(u32 nr_top_bits) +{ + return (be32_to_cpu(OPA_LID_PERMISSIVE) << (32 - nr_top_bits)); +} + #endif /* OPA_ADDR_H */ diff --git a/include/rdma/opa_vnic.h b/include/rdma/opa_vnic.h index 39d6890616a6..0c07a70bd7f6 100644 --- a/include/rdma/opa_vnic.h +++ b/include/rdma/opa_vnic.h @@ -54,9 +54,6 @@ #include <rdma/ib_verbs.h> -/* VNIC uses 16B header format */ -#define OPA_VNIC_L2_TYPE 0x2 - /* 16 header bytes + 2 reserved bytes */ #define OPA_VNIC_L2_HDR_LEN (16 + 2) diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index 348c102cb5f6..2d878596b1e0 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -5,29 +5,43 @@ #include <linux/netlink.h> #include <uapi/rdma/rdma_netlink.h> -struct ibnl_client_cbs { +struct rdma_nl_cbs { + int (*doit)(struct sk_buff *skb, struct nlmsghdr *nlh, + struct netlink_ext_ack *extack); int (*dump)(struct sk_buff *skb, struct netlink_callback *nlcb); - struct module *module; + u8 flags; }; +enum rdma_nl_flags { + /* Require CAP_NET_ADMIN */ + RDMA_NL_ADMIN_PERM = 1 << 0, +}; + +/* Define this module as providing netlink services for NETLINK_RDMA, with + * index _index. Since the client indexes were setup in a uapi header as an + * enum and we do no want to change that, the user must supply the expanded + * constant as well and the compiler checks they are the same. + */ +#define MODULE_ALIAS_RDMA_NETLINK(_index, _val) \ + static inline void __chk_##_index(void) \ + { \ + BUILD_BUG_ON(_index != _val); \ + } \ + MODULE_ALIAS("rdma-netlink-subsys-" __stringify(_val)) + /** - * Add a a client to the list of IB netlink exporters. + * Register client in RDMA netlink. * @index: Index of the added client - * @nops: Number of supported ops by the added client. * @cb_table: A table for op->callback - * - * Returns 0 on success or a negative error code. */ -int ibnl_add_client(int index, int nops, - const struct ibnl_client_cbs cb_table[]); +void rdma_nl_register(unsigned int index, + const struct rdma_nl_cbs cb_table[]); /** * Remove a client from IB netlink. * @index: Index of the removed IB client. - * - * Returns 0 on success or a negative error code. */ -int ibnl_remove_client(int index); +void rdma_nl_unregister(unsigned int index); /** * Put a new message in a supplied skb. @@ -56,22 +70,32 @@ int ibnl_put_attr(struct sk_buff *skb, struct nlmsghdr *nlh, /** * Send the supplied skb to a specific userspace PID. * @skb: The netlink skb - * @nlh: Header of the netlink message to send * @pid: Userspace netlink process ID * Returns 0 on success or a negative error code. */ -int ibnl_unicast(struct sk_buff *skb, struct nlmsghdr *nlh, - __u32 pid); +int rdma_nl_unicast(struct sk_buff *skb, u32 pid); + +/** + * Send, with wait/1 retry, the supplied skb to a specific userspace PID. + * @skb: The netlink skb + * @pid: Userspace netlink process ID + * Returns 0 on success or a negative error code. + */ +int rdma_nl_unicast_wait(struct sk_buff *skb, __u32 pid); /** * Send the supplied skb to a netlink group. * @skb: The netlink skb - * @nlh: Header of the netlink message to send * @group: Netlink group ID * @flags: allocation flags * Returns 0 on success or a negative error code. */ -int ibnl_multicast(struct sk_buff *skb, struct nlmsghdr *nlh, - unsigned int group, gfp_t flags); +int rdma_nl_multicast(struct sk_buff *skb, unsigned int group, gfp_t flags); +/** + * Check if there are any listeners to the netlink group + * @group: the netlink group ID + * Returns 0 on success or a negative for no listeners. + */ +int rdma_nl_chk_listeners(unsigned int group); #endif /* _RDMA_NETLINK_H */ diff --git a/include/rdma/rdma_vt.h b/include/rdma/rdma_vt.h index 55af69271053..1ba84a78f1c5 100644 --- a/include/rdma/rdma_vt.h +++ b/include/rdma/rdma_vt.h @@ -57,11 +57,21 @@ #include <linux/list.h> #include <linux/hash.h> #include <rdma/ib_verbs.h> +#include <rdma/ib_mad.h> #include <rdma/rdmavt_mr.h> #include <rdma/rdmavt_qp.h> #define RVT_MAX_PKEY_VALUES 16 +#define RVT_MAX_TRAP_LEN 100 /* Limit pending trap list */ +#define RVT_MAX_TRAP_LISTS 5 /*((IB_NOTICE_TYPE_INFO & 0x0F) + 1)*/ +#define RVT_TRAP_TIMEOUT 4096 /* 4.096 usec */ + +struct trap_list { + u32 list_len; + struct list_head list; +}; + struct rvt_ibport { struct rvt_qp __rcu *qp[2]; struct ib_mad_agent *send_agent; /* agent for SMI (traps) */ @@ -75,12 +85,13 @@ struct rvt_ibport { __be64 mkey; u64 tid; u32 port_cap_flags; + u16 port_cap3_flags; u32 pma_sample_start; u32 pma_sample_interval; __be16 pma_counter_select[5]; u16 pma_tag; u16 mkey_lease_period; - u16 sm_lid; + u32 sm_lid; u8 sm_sl; u8 mkeyprot; u8 subnet_timeout; @@ -127,6 +138,13 @@ struct rvt_ibport { u16 *pkey_table; struct rvt_ah *sm_ah; + + /* + * Keep a list of traps that have not been repressed. They will be + * resent based on trap_timer. + */ + struct trap_list trap_lists[RVT_MAX_TRAP_LISTS]; + struct timer_list trap_timer; }; #define RVT_CQN_MAX 16 /* maximum length of cq name */ @@ -514,7 +532,8 @@ int rvt_invalidate_rkey(struct rvt_qp *qp, u32 rkey); int rvt_rkey_ok(struct rvt_qp *qp, struct rvt_sge *sge, u32 len, u64 vaddr, u32 rkey, int acc); int rvt_lkey_ok(struct rvt_lkey_table *rkt, struct rvt_pd *pd, - struct rvt_sge *isge, struct ib_sge *sge, int acc); + struct rvt_sge *isge, struct rvt_sge *last_sge, + struct ib_sge *sge, int acc); struct rvt_mcast *rvt_mcast_find(struct rvt_ibport *ibp, union ib_gid *mgid, u16 lid); diff --git a/include/rdma/rdmavt_mr.h b/include/rdma/rdmavt_mr.h index f418bd5571a5..72a3856d4057 100644 --- a/include/rdma/rdmavt_mr.h +++ b/include/rdma/rdmavt_mr.h @@ -191,4 +191,7 @@ static inline void rvt_skip_sge(struct rvt_sge_state *ss, u32 length, } } +bool rvt_ss_has_lkey(struct rvt_sge_state *ss, u32 lkey); +bool rvt_mr_has_lkey(struct rvt_mregion *mr, u32 lkey); + #endif /* DEF_RDMAVT_INCMRH */ diff --git a/include/rdma/rdmavt_qp.h b/include/rdma/rdmavt_qp.h index d664d2e76280..0eed3d8752fa 100644 --- a/include/rdma/rdmavt_qp.h +++ b/include/rdma/rdmavt_qp.h @@ -277,7 +277,6 @@ struct rvt_qp { unsigned long timeout_jiffies; /* computed from timeout */ - enum ib_mtu path_mtu; int srate_mbps; /* s_srate (below) converted to Mbit/s */ pid_t pid; /* pid for user mode QPs */ u32 remote_qpn; @@ -396,7 +395,7 @@ struct rvt_srq { #define RVT_QPNMAP_ENTRIES (RVT_QPN_MAX / PAGE_SIZE / BITS_PER_BYTE) #define RVT_BITS_PER_PAGE (PAGE_SIZE * BITS_PER_BYTE) #define RVT_BITS_PER_PAGE_MASK (RVT_BITS_PER_PAGE - 1) -#define RVT_QPN_MASK 0xFFFFFF +#define RVT_QPN_MASK IB_QPN_MASK /* * QPN-map pages start out as NULL, they get allocated upon @@ -674,4 +673,34 @@ void rvt_del_timers_sync(struct rvt_qp *qp); void rvt_stop_rc_timers(struct rvt_qp *qp); void rvt_add_retry_timer(struct rvt_qp *qp); +/** + * struct rvt_qp_iter - the iterator for QPs + * @qp - the current QP + * + * This structure defines the current iterator + * state for sequenced access to all QPs relative + * to an rvt_dev_info. + */ +struct rvt_qp_iter { + struct rvt_qp *qp; + /* private: backpointer */ + struct rvt_dev_info *rdi; + /* private: callback routine */ + void (*cb)(struct rvt_qp *qp, u64 v); + /* private: for arg to callback routine */ + u64 v; + /* private: number of SMI,GSI QPs for device */ + int specials; + /* private: current iterator index */ + int n; +}; + +struct rvt_qp_iter *rvt_qp_iter_init(struct rvt_dev_info *rdi, + u64 v, + void (*cb)(struct rvt_qp *qp, u64 v)); +int rvt_qp_iter_next(struct rvt_qp_iter *iter); +void rvt_qp_iter(struct rvt_dev_info *rdi, + u64 v, + void (*cb)(struct rvt_qp *qp, u64 v)); +void rvt_qp_mr_clean(struct rvt_qp *qp, u32 lkey); #endif /* DEF_RDMAVT_INCQP_H */ diff --git a/include/rdma/uverbs_ioctl.h b/include/rdma/uverbs_ioctl.h new file mode 100644 index 000000000000..6da44079aa58 --- /dev/null +++ b/include/rdma/uverbs_ioctl.h @@ -0,0 +1,438 @@ +/* + * Copyright (c) 2017, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef _UVERBS_IOCTL_ +#define _UVERBS_IOCTL_ + +#include <rdma/uverbs_types.h> +#include <linux/uaccess.h> +#include <rdma/rdma_user_ioctl.h> +#include <rdma/ib_user_ioctl_verbs.h> + +/* + * ======================================= + * Verbs action specifications + * ======================================= + */ + +enum uverbs_attr_type { + UVERBS_ATTR_TYPE_NA, + UVERBS_ATTR_TYPE_PTR_IN, + UVERBS_ATTR_TYPE_PTR_OUT, + UVERBS_ATTR_TYPE_IDR, + UVERBS_ATTR_TYPE_FD, +}; + +enum uverbs_obj_access { + UVERBS_ACCESS_READ, + UVERBS_ACCESS_WRITE, + UVERBS_ACCESS_NEW, + UVERBS_ACCESS_DESTROY +}; + +enum { + UVERBS_ATTR_SPEC_F_MANDATORY = 1U << 0, + /* Support extending attributes by length */ + UVERBS_ATTR_SPEC_F_MIN_SZ = 1U << 1, +}; + +struct uverbs_attr_spec { + enum uverbs_attr_type type; + union { + u16 len; + struct { + /* + * higher bits mean the namespace and lower bits mean + * the type id within the namespace. + */ + u16 obj_type; + u8 access; + } obj; + }; + /* Combination of bits from enum UVERBS_ATTR_SPEC_F_XXXX */ + u8 flags; +}; + +struct uverbs_attr_spec_hash { + size_t num_attrs; + unsigned long *mandatory_attrs_bitmask; + struct uverbs_attr_spec attrs[0]; +}; + +struct uverbs_attr_bundle; +struct ib_uverbs_file; + +enum { + /* + * Action marked with this flag creates a context (or root for all + * objects). + */ + UVERBS_ACTION_FLAG_CREATE_ROOT = 1U << 0, +}; + +struct uverbs_method_spec { + /* Combination of bits from enum UVERBS_ACTION_FLAG_XXXX */ + u32 flags; + size_t num_buckets; + size_t num_child_attrs; + int (*handler)(struct ib_device *ib_dev, struct ib_uverbs_file *ufile, + struct uverbs_attr_bundle *ctx); + struct uverbs_attr_spec_hash *attr_buckets[0]; +}; + +struct uverbs_method_spec_hash { + size_t num_methods; + struct uverbs_method_spec *methods[0]; +}; + +struct uverbs_object_spec { + const struct uverbs_obj_type *type_attrs; + size_t num_buckets; + struct uverbs_method_spec_hash *method_buckets[0]; +}; + +struct uverbs_object_spec_hash { + size_t num_objects; + struct uverbs_object_spec *objects[0]; +}; + +struct uverbs_root_spec { + size_t num_buckets; + struct uverbs_object_spec_hash *object_buckets[0]; +}; + +/* + * ======================================= + * Verbs definitions + * ======================================= + */ + +struct uverbs_attr_def { + u16 id; + struct uverbs_attr_spec attr; +}; + +struct uverbs_method_def { + u16 id; + /* Combination of bits from enum UVERBS_ACTION_FLAG_XXXX */ + u32 flags; + size_t num_attrs; + const struct uverbs_attr_def * const (*attrs)[]; + int (*handler)(struct ib_device *ib_dev, struct ib_uverbs_file *ufile, + struct uverbs_attr_bundle *ctx); +}; + +struct uverbs_object_def { + u16 id; + const struct uverbs_obj_type *type_attrs; + size_t num_methods; + const struct uverbs_method_def * const (*methods)[]; +}; + +struct uverbs_object_tree_def { + size_t num_objects; + const struct uverbs_object_def * const (*objects)[]; +}; + +#define UA_FLAGS(_flags) .flags = _flags +#define __UVERBS_ATTR0(_id, _len, _type, ...) \ + ((const struct uverbs_attr_def) \ + {.id = _id, .attr = {.type = _type, {.len = _len}, .flags = 0, } }) +#define __UVERBS_ATTR1(_id, _len, _type, _flags) \ + ((const struct uverbs_attr_def) \ + {.id = _id, .attr = {.type = _type, {.len = _len}, _flags, } }) +#define __UVERBS_ATTR(_id, _len, _type, _flags, _n, ...) \ + __UVERBS_ATTR##_n(_id, _len, _type, _flags) +/* + * In new compiler, UVERBS_ATTR could be simplified by declaring it as + * [_id] = {.type = _type, .len = _len, ##__VA_ARGS__} + * But since we support older compilers too, we need the more complex code. + */ +#define UVERBS_ATTR(_id, _len, _type, ...) \ + __UVERBS_ATTR(_id, _len, _type, ##__VA_ARGS__, 1, 0) +#define UVERBS_ATTR_PTR_IN_SZ(_id, _len, ...) \ + UVERBS_ATTR(_id, _len, UVERBS_ATTR_TYPE_PTR_IN, ##__VA_ARGS__) +/* If sizeof(_type) <= sizeof(u64), this will be inlined rather than a pointer */ +#define UVERBS_ATTR_PTR_IN(_id, _type, ...) \ + UVERBS_ATTR_PTR_IN_SZ(_id, sizeof(_type), ##__VA_ARGS__) +#define UVERBS_ATTR_PTR_OUT_SZ(_id, _len, ...) \ + UVERBS_ATTR(_id, _len, UVERBS_ATTR_TYPE_PTR_OUT, ##__VA_ARGS__) +#define UVERBS_ATTR_PTR_OUT(_id, _type, ...) \ + UVERBS_ATTR_PTR_OUT_SZ(_id, sizeof(_type), ##__VA_ARGS__) + +/* + * In new compiler, UVERBS_ATTR_IDR (and FD) could be simplified by declaring + * it as + * {.id = _id, \ + * .attr {.type = __obj_class, \ + * .obj = {.obj_type = _idr_type, \ + * .access = _access \ + * }, ##__VA_ARGS__ } } + * But since we support older compilers too, we need the more complex code. + */ +#define ___UVERBS_ATTR_OBJ0(_id, _obj_class, _obj_type, _access, ...)\ + ((const struct uverbs_attr_def) \ + {.id = _id, \ + .attr = {.type = _obj_class, \ + {.obj = {.obj_type = _obj_type, .access = _access } },\ + .flags = 0} }) +#define ___UVERBS_ATTR_OBJ1(_id, _obj_class, _obj_type, _access, _flags)\ + ((const struct uverbs_attr_def) \ + {.id = _id, \ + .attr = {.type = _obj_class, \ + {.obj = {.obj_type = _obj_type, .access = _access} }, \ + _flags} }) +#define ___UVERBS_ATTR_OBJ(_id, _obj_class, _obj_type, _access, _flags, \ + _n, ...) \ + ___UVERBS_ATTR_OBJ##_n(_id, _obj_class, _obj_type, _access, _flags) +#define __UVERBS_ATTR_OBJ(_id, _obj_class, _obj_type, _access, ...) \ + ___UVERBS_ATTR_OBJ(_id, _obj_class, _obj_type, _access, \ + ##__VA_ARGS__, 1, 0) +#define UVERBS_ATTR_IDR(_id, _idr_type, _access, ...) \ + __UVERBS_ATTR_OBJ(_id, UVERBS_ATTR_TYPE_IDR, _idr_type, _access,\ + ##__VA_ARGS__) +#define UVERBS_ATTR_FD(_id, _fd_type, _access, ...) \ + __UVERBS_ATTR_OBJ(_id, UVERBS_ATTR_TYPE_FD, _fd_type, \ + (_access) + BUILD_BUG_ON_ZERO( \ + (_access) != UVERBS_ACCESS_NEW && \ + (_access) != UVERBS_ACCESS_READ), \ + ##__VA_ARGS__) +#define DECLARE_UVERBS_ATTR_SPEC(_name, ...) \ + const struct uverbs_attr_def _name = __VA_ARGS__ + +#define _UVERBS_METHOD_ATTRS_SZ(...) \ + (sizeof((const struct uverbs_attr_def * const []){__VA_ARGS__}) /\ + sizeof(const struct uverbs_attr_def *)) +#define _UVERBS_METHOD(_id, _handler, _flags, ...) \ + ((const struct uverbs_method_def) { \ + .id = _id, \ + .flags = _flags, \ + .handler = _handler, \ + .num_attrs = _UVERBS_METHOD_ATTRS_SZ(__VA_ARGS__), \ + .attrs = &(const struct uverbs_attr_def * const []){__VA_ARGS__} }) +#define DECLARE_UVERBS_METHOD(_name, _id, _handler, ...) \ + const struct uverbs_method_def _name = \ + _UVERBS_METHOD(_id, _handler, 0, ##__VA_ARGS__) +#define DECLARE_UVERBS_CTX_METHOD(_name, _id, _handler, _flags, ...) \ + const struct uverbs_method_def _name = \ + _UVERBS_METHOD(_id, _handler, \ + UVERBS_ACTION_FLAG_CREATE_ROOT, \ + ##__VA_ARGS__) +#define _UVERBS_OBJECT_METHODS_SZ(...) \ + (sizeof((const struct uverbs_method_def * const []){__VA_ARGS__}) / \ + sizeof(const struct uverbs_method_def *)) +#define _UVERBS_OBJECT(_id, _type_attrs, ...) \ + ((const struct uverbs_object_def) { \ + .id = _id, \ + .type_attrs = _type_attrs, \ + .num_methods = _UVERBS_OBJECT_METHODS_SZ(__VA_ARGS__), \ + .methods = &(const struct uverbs_method_def * const []){__VA_ARGS__} }) +#define DECLARE_UVERBS_OBJECT(_name, _id, _type_attrs, ...) \ + const struct uverbs_object_def _name = \ + _UVERBS_OBJECT(_id, _type_attrs, ##__VA_ARGS__) +#define _UVERBS_TREE_OBJECTS_SZ(...) \ + (sizeof((const struct uverbs_object_def * const []){__VA_ARGS__}) / \ + sizeof(const struct uverbs_object_def *)) +#define _UVERBS_OBJECT_TREE(...) \ + ((const struct uverbs_object_tree_def) { \ + .num_objects = _UVERBS_TREE_OBJECTS_SZ(__VA_ARGS__), \ + .objects = &(const struct uverbs_object_def * const []){__VA_ARGS__} }) +#define DECLARE_UVERBS_OBJECT_TREE(_name, ...) \ + const struct uverbs_object_tree_def _name = \ + _UVERBS_OBJECT_TREE(__VA_ARGS__) + +/* ================================================= + * Parsing infrastructure + * ================================================= + */ + +struct uverbs_ptr_attr { + union { + u64 data; + void __user *ptr; + }; + u16 len; + /* Combination of bits from enum UVERBS_ATTR_F_XXXX */ + u16 flags; +}; + +struct uverbs_obj_attr { + /* pointer to the kernel descriptor -> type, access, etc */ + const struct uverbs_obj_type *type; + struct ib_uobject *uobject; + /* fd or id in idr of this object */ + int id; +}; + +struct uverbs_attr { + /* + * pointer to the user-space given attribute, in order to write the + * new uobject's id or update flags. + */ + struct ib_uverbs_attr __user *uattr; + union { + struct uverbs_ptr_attr ptr_attr; + struct uverbs_obj_attr obj_attr; + }; +}; + +struct uverbs_attr_bundle_hash { + /* if bit i is set, it means attrs[i] contains valid information */ + unsigned long *valid_bitmap; + size_t num_attrs; + /* + * arrays of attributes, each element corresponds to the specification + * of the attribute in the same index. + */ + struct uverbs_attr *attrs; +}; + +struct uverbs_attr_bundle { + size_t num_buckets; + struct uverbs_attr_bundle_hash hash[]; +}; + +static inline bool uverbs_attr_is_valid_in_hash(const struct uverbs_attr_bundle_hash *attrs_hash, + unsigned int idx) +{ + return test_bit(idx, attrs_hash->valid_bitmap); +} + +static inline bool uverbs_attr_is_valid(const struct uverbs_attr_bundle *attrs_bundle, + unsigned int idx) +{ + u16 idx_bucket = idx >> UVERBS_ID_NS_SHIFT; + + if (attrs_bundle->num_buckets <= idx_bucket) + return false; + + return uverbs_attr_is_valid_in_hash(&attrs_bundle->hash[idx_bucket], + idx & ~UVERBS_ID_NS_MASK); +} + +static inline const struct uverbs_attr *uverbs_attr_get(const struct uverbs_attr_bundle *attrs_bundle, + u16 idx) +{ + u16 idx_bucket = idx >> UVERBS_ID_NS_SHIFT; + + if (!uverbs_attr_is_valid(attrs_bundle, idx)) + return ERR_PTR(-ENOENT); + + return &attrs_bundle->hash[idx_bucket].attrs[idx & ~UVERBS_ID_NS_MASK]; +} + +static inline int uverbs_copy_to(const struct uverbs_attr_bundle *attrs_bundle, + size_t idx, const void *from) +{ + const struct uverbs_attr *attr = uverbs_attr_get(attrs_bundle, idx); + u16 flags; + + if (IS_ERR(attr)) + return PTR_ERR(attr); + + flags = attr->ptr_attr.flags | UVERBS_ATTR_F_VALID_OUTPUT; + return (!copy_to_user(attr->ptr_attr.ptr, from, attr->ptr_attr.len) && + !put_user(flags, &attr->uattr->flags)) ? 0 : -EFAULT; +} + +static inline int _uverbs_copy_from(void *to, size_t to_size, + const struct uverbs_attr_bundle *attrs_bundle, + size_t idx) +{ + const struct uverbs_attr *attr = uverbs_attr_get(attrs_bundle, idx); + + if (IS_ERR(attr)) + return PTR_ERR(attr); + + if (to_size <= sizeof(((struct ib_uverbs_attr *)0)->data)) + memcpy(to, &attr->ptr_attr.data, attr->ptr_attr.len); + else if (copy_from_user(to, attr->ptr_attr.ptr, attr->ptr_attr.len)) + return -EFAULT; + + return 0; +} + +#define uverbs_copy_from(to, attrs_bundle, idx) \ + _uverbs_copy_from(to, sizeof(*(to)), attrs_bundle, idx) + +/* ================================================= + * Definitions -> Specs infrastructure + * ================================================= + */ + +/* + * uverbs_alloc_spec_tree - Merges different common and driver specific feature + * into one parsing tree that every uverbs command will be parsed upon. + * + * @num_trees: Number of trees in the array @trees. + * @trees: Array of pointers to tree root definitions to merge. Each such tree + * possibly contains objects, methods and attributes definitions. + * + * Returns: + * uverbs_root_spec *: The root of the merged parsing tree. + * On error, we return an error code. Error is checked via IS_ERR. + * + * The following merges could take place: + * a. Two trees representing the same method with different handler + * -> We take the handler of the tree that its handler != NULL + * and its index in the trees array is greater. The incentive for that + * is that developers are expected to first merge common trees and then + * merge trees that gives specialized the behaviour. + * b. Two trees representing the same object with different + * type_attrs (struct uverbs_obj_type): + * -> We take the type_attrs of the tree that its type_attr != NULL + * and its index in the trees array is greater. This could be used + * in order to override the free function, allocation size, etc. + * c. Two trees representing the same method attribute (same id but possibly + * different attributes): + * -> ERROR (-ENOENT), we believe that's not the programmer's intent. + * + * An object without any methods is considered invalid and will abort the + * function with -ENOENT error. + */ +#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) +struct uverbs_root_spec *uverbs_alloc_spec_tree(unsigned int num_trees, + const struct uverbs_object_tree_def **trees); +void uverbs_free_spec_tree(struct uverbs_root_spec *root); +#else +static inline struct uverbs_root_spec *uverbs_alloc_spec_tree(unsigned int num_trees, + const struct uverbs_object_tree_def **trees) +{ + return NULL; +} + +static inline void uverbs_free_spec_tree(struct uverbs_root_spec *root) +{ +} +#endif + +#endif diff --git a/include/rdma/uverbs_std_types.h b/include/rdma/uverbs_std_types.h index 7771ce966952..5f8e20bbd67c 100644 --- a/include/rdma/uverbs_std_types.h +++ b/include/rdma/uverbs_std_types.h @@ -34,19 +34,35 @@ #define _UVERBS_STD_TYPES__ #include <rdma/uverbs_types.h> - -extern const struct uverbs_obj_fd_type uverbs_type_attrs_comp_channel; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_cq; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_qp; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_rwq_ind_table; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_wq; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_srq; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_ah; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_flow; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_mr; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_mw; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_pd; -extern const struct uverbs_obj_idr_type uverbs_type_attrs_xrcd; +#include <rdma/uverbs_ioctl.h> +#include <rdma/ib_user_ioctl_verbs.h> + +#if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS) +extern const struct uverbs_object_def uverbs_object_comp_channel; +extern const struct uverbs_object_def uverbs_object_cq; +extern const struct uverbs_object_def uverbs_object_qp; +extern const struct uverbs_object_def uverbs_object_rwq_ind_table; +extern const struct uverbs_object_def uverbs_object_wq; +extern const struct uverbs_object_def uverbs_object_srq; +extern const struct uverbs_object_def uverbs_object_ah; +extern const struct uverbs_object_def uverbs_object_flow; +extern const struct uverbs_object_def uverbs_object_mr; +extern const struct uverbs_object_def uverbs_object_mw; +extern const struct uverbs_object_def uverbs_object_pd; +extern const struct uverbs_object_def uverbs_object_xrcd; +extern const struct uverbs_object_def uverbs_object_device; + +extern const struct uverbs_object_tree_def uverbs_default_objects; +static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) +{ + return &uverbs_default_objects; +} +#else +static inline const struct uverbs_object_tree_def *uverbs_default_get_objects(void) +{ + return NULL; +} +#endif static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, bool write, @@ -56,22 +72,22 @@ static inline struct ib_uobject *__uobj_get(const struct uverbs_obj_type *type, return rdma_lookup_get_uobject(type, ucontext, id, write); } -#define uobj_get_type(_type) uverbs_type_attrs_##_type.type +#define uobj_get_type(_object) uverbs_object_##_object.type_attrs #define uobj_get_read(_type, _id, _ucontext) \ - __uobj_get(&(_type), false, _ucontext, _id) + __uobj_get(_type, false, _ucontext, _id) -#define uobj_get_obj_read(_type, _id, _ucontext) \ +#define uobj_get_obj_read(_object, _id, _ucontext) \ ({ \ - struct ib_uobject *uobj = \ - __uobj_get(&uobj_get_type(_type), \ + struct ib_uobject *__uobj = \ + __uobj_get(uverbs_object_##_object.type_attrs, \ false, _ucontext, _id); \ \ - (struct ib_##_type *)(IS_ERR(uobj) ? NULL : uobj->object); \ + (struct ib_##_object *)(IS_ERR(__uobj) ? NULL : __uobj->object);\ }) #define uobj_get_write(_type, _id, _ucontext) \ - __uobj_get(&(_type), true, _ucontext, _id) + __uobj_get(_type, true, _ucontext, _id) static inline void uobj_put_read(struct ib_uobject *uobj) { @@ -108,7 +124,7 @@ static inline struct ib_uobject *__uobj_alloc(const struct uverbs_obj_type *type } #define uobj_alloc(_type, ucontext) \ - __uobj_alloc(&(_type), ucontext) + __uobj_alloc(_type, ucontext) #endif diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h index 351ea185df44..cc04ec65588d 100644 --- a/include/rdma/uverbs_types.h +++ b/include/rdma/uverbs_types.h @@ -129,6 +129,7 @@ struct ib_uobject *rdma_alloc_begin_uobject(const struct uverbs_obj_type *type, void rdma_alloc_abort_uobject(struct ib_uobject *uobj); int __must_check rdma_remove_commit_uobject(struct ib_uobject *uobj); int rdma_alloc_commit_uobject(struct ib_uobject *uobj); +int rdma_explicit_destroy(struct ib_uobject *uobject); struct uverbs_obj_fd_type { /* @@ -151,22 +152,30 @@ extern const struct uverbs_obj_type_class uverbs_fd_class; #define UVERBS_BUILD_BUG_ON(cond) (sizeof(char[1 - 2 * !!(cond)]) - \ sizeof(char)) -#define UVERBS_TYPE_ALLOC_FD(_size, _order) \ - { \ - .destroy_order = _order, \ - .type_class = &uverbs_fd_class, \ - .obj_size = (_size) + \ - UVERBS_BUILD_BUG_ON((_size) < \ - sizeof(struct ib_uobject_file)),\ - } -#define UVERBS_TYPE_ALLOC_IDR_SZ(_size, _order) \ - { \ +#define UVERBS_TYPE_ALLOC_FD(_order, _obj_size, _context_closed, _fops, _name, _flags)\ + ((&((const struct uverbs_obj_fd_type) \ + {.type = { \ + .destroy_order = _order, \ + .type_class = &uverbs_fd_class, \ + .obj_size = (_obj_size) + \ + UVERBS_BUILD_BUG_ON((_obj_size) < sizeof(struct ib_uobject_file)), \ + }, \ + .context_closed = _context_closed, \ + .fops = _fops, \ + .name = _name, \ + .flags = _flags}))->type) +#define UVERBS_TYPE_ALLOC_IDR_SZ(_size, _order, _destroy_object) \ + ((&((const struct uverbs_obj_idr_type) \ + {.type = { \ .destroy_order = _order, \ .type_class = &uverbs_idr_class, \ .obj_size = (_size) + \ - UVERBS_BUILD_BUG_ON((_size) < \ - sizeof(struct ib_uobject)), \ - } -#define UVERBS_TYPE_ALLOC_IDR(_order) \ - UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uobject), _order) + UVERBS_BUILD_BUG_ON((_size) < \ + sizeof(struct ib_uobject)) \ + }, \ + .destroy_object = _destroy_object,}))->type) +#define UVERBS_TYPE_ALLOC_IDR(_order, _destroy_object) \ + UVERBS_TYPE_ALLOC_IDR_SZ(sizeof(struct ib_uobject), _order, \ + _destroy_object) + #endif diff --git a/include/sound/omap-hdmi-audio.h b/include/sound/omap-hdmi-audio.h index 1df2ff61a4dd..0e495ed8872e 100644 --- a/include/sound/omap-hdmi-audio.h +++ b/include/sound/omap-hdmi-audio.h @@ -39,7 +39,7 @@ struct omap_hdmi_audio_ops { /* HDMI audio initalization data */ struct omap_hdmi_audio_pdata { struct device *dev; - enum omapdss_version dss_version; + unsigned int version; phys_addr_t audio_dma_addr; const struct omap_hdmi_audio_ops *ops; diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h index 91dc089d65b7..e91ae1f2290d 100644 --- a/include/trace/events/rcu.h +++ b/include/trace/events/rcu.h @@ -703,6 +703,7 @@ TRACE_EVENT(rcu_batch_end, * at the beginning and end of the read, respectively. Note that the * callback address can be NULL. */ +#define RCUTORTURENAME_LEN 8 TRACE_EVENT(rcu_torture_read, TP_PROTO(const char *rcutorturename, struct rcu_head *rhp, @@ -711,7 +712,7 @@ TRACE_EVENT(rcu_torture_read, TP_ARGS(rcutorturename, rhp, secs, c_old, c), TP_STRUCT__entry( - __field(const char *, rcutorturename) + __field(char, rcutorturename[RCUTORTURENAME_LEN]) __field(struct rcu_head *, rhp) __field(unsigned long, secs) __field(unsigned long, c_old) @@ -719,7 +720,9 @@ TRACE_EVENT(rcu_torture_read, ), TP_fast_assign( - __entry->rcutorturename = rcutorturename; + strncpy(__entry->rcutorturename, rcutorturename, + RCUTORTURENAME_LEN); + __entry->rcutorturename[RCUTORTURENAME_LEN - 1] = 0; __entry->rhp = rhp; __entry->secs = secs; __entry->c_old = c_old; diff --git a/include/uapi/drm/armada_drm.h b/include/uapi/drm/armada_drm.h index 72e326f9c7de..0cb932416cfe 100644 --- a/include/uapi/drm/armada_drm.h +++ b/include/uapi/drm/armada_drm.h @@ -23,27 +23,27 @@ extern "C" { DRM_##dir(DRM_COMMAND_BASE + DRM_ARMADA_##name, struct drm_armada_##str) struct drm_armada_gem_create { - uint32_t handle; - uint32_t size; + __u32 handle; + __u32 size; }; #define DRM_IOCTL_ARMADA_GEM_CREATE \ ARMADA_IOCTL(IOWR, GEM_CREATE, gem_create) struct drm_armada_gem_mmap { - uint32_t handle; - uint32_t pad; - uint64_t offset; - uint64_t size; - uint64_t addr; + __u32 handle; + __u32 pad; + __u64 offset; + __u64 size; + __u64 addr; }; #define DRM_IOCTL_ARMADA_GEM_MMAP \ ARMADA_IOCTL(IOWR, GEM_MMAP, gem_mmap) struct drm_armada_gem_pwrite { - uint64_t ptr; - uint32_t handle; - uint32_t offset; - uint32_t size; + __u64 ptr; + __u32 handle; + __u32 offset; + __u32 size; }; #define DRM_IOCTL_ARMADA_GEM_PWRITE \ ARMADA_IOCTL(IOW, GEM_PWRITE, gem_pwrite) diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h index 101593ab10ac..97677cd6964d 100644 --- a/include/uapi/drm/drm.h +++ b/include/uapi/drm/drm.h @@ -700,6 +700,7 @@ struct drm_prime_handle { struct drm_syncobj_create { __u32 handle; +#define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0) __u32 flags; }; @@ -718,6 +719,24 @@ struct drm_syncobj_handle { __u32 pad; }; +#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0) +#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1) +struct drm_syncobj_wait { + __u64 handles; + /* absolute timeout */ + __s64 timeout_nsec; + __u32 count_handles; + __u32 flags; + __u32 first_signaled; /* only valid when not waiting all */ + __u32 pad; +}; + +struct drm_syncobj_array { + __u64 handles; + __u32 count_handles; + __u32 pad; +}; + #if defined(__cplusplus) } #endif @@ -840,6 +859,9 @@ extern "C" { #define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0xC0, struct drm_syncobj_destroy) #define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle) #define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle) +#define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct drm_syncobj_wait) +#define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array) +#define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array) /** * Device specific ioctls should only be in their respective headers diff --git a/include/uapi/drm/drm_fourcc.h b/include/uapi/drm/drm_fourcc.h index 7586c46f68bf..3ad838d3f93f 100644 --- a/include/uapi/drm/drm_fourcc.h +++ b/include/uapi/drm/drm_fourcc.h @@ -185,6 +185,8 @@ extern "C" { #define DRM_FORMAT_MOD_VENDOR_BROADCOM 0x07 /* add more to the end as needed */ +#define DRM_FORMAT_RESERVED ((1ULL << 56) - 1) + #define fourcc_mod_code(vendor, val) \ ((((__u64)DRM_FORMAT_MOD_VENDOR_## vendor) << 56) | (val & 0x00ffffffffffffffULL)) @@ -197,6 +199,15 @@ extern "C" { */ /* + * Invalid Modifier + * + * This modifier can be used as a sentinel to terminate the format modifiers + * list, or to initialize a variable with an invalid modifier. It might also be + * used to report an error back to userspace for certain APIs. + */ +#define DRM_FORMAT_MOD_INVALID fourcc_mod_code(NONE, DRM_FORMAT_RESERVED) + +/* * Linear Layout * * Just plain linear layout. Note that this is different from no specifying any @@ -253,6 +264,26 @@ extern "C" { #define I915_FORMAT_MOD_Yf_TILED fourcc_mod_code(INTEL, 3) /* + * Intel color control surface (CCS) for render compression + * + * The framebuffer format must be one of the 8:8:8:8 RGB formats. + * The main surface will be plane index 0 and must be Y/Yf-tiled, + * the CCS will be plane index 1. + * + * Each CCS tile matches a 1024x512 pixel area of the main surface. + * To match certain aspects of the 3D hardware the CCS is + * considered to be made up of normal 128Bx32 Y tiles, Thus + * the CCS pitch must be specified in multiples of 128 bytes. + * + * In reality the CCS tile appears to be a 64Bx64 Y tile, composed + * of QWORD (8 bytes) chunks instead of OWORD (16 bytes) chunks. + * But that fact is not relevant unless the memory is accessed + * directly. + */ +#define I915_FORMAT_MOD_Y_TILED_CCS fourcc_mod_code(INTEL, 4) +#define I915_FORMAT_MOD_Yf_TILED_CCS fourcc_mod_code(INTEL, 5) + +/* * Tiled, NV12MT, grouped in 64 (pixels) x 32 (lines) -sized macroblocks * * Macroblocks are laid in a Z-shape, and each pixel data is following the diff --git a/include/uapi/drm/drm_mode.h b/include/uapi/drm/drm_mode.h index 403339f98a92..54fc38c3c3f1 100644 --- a/include/uapi/drm/drm_mode.h +++ b/include/uapi/drm/drm_mode.h @@ -712,6 +712,56 @@ struct drm_mode_atomic { __u64 user_data; }; +struct drm_format_modifier_blob { +#define FORMAT_BLOB_CURRENT 1 + /* Version of this blob format */ + __u32 version; + + /* Flags */ + __u32 flags; + + /* Number of fourcc formats supported */ + __u32 count_formats; + + /* Where in this blob the formats exist (in bytes) */ + __u32 formats_offset; + + /* Number of drm_format_modifiers */ + __u32 count_modifiers; + + /* Where in this blob the modifiers exist (in bytes) */ + __u32 modifiers_offset; + + /* __u32 formats[] */ + /* struct drm_format_modifier modifiers[] */ +}; + +struct drm_format_modifier { + /* Bitmask of formats in get_plane format list this info applies to. The + * offset allows a sliding window of which 64 formats (bits). + * + * Some examples: + * In today's world with < 65 formats, and formats 0, and 2 are + * supported + * 0x0000000000000005 + * ^-offset = 0, formats = 5 + * + * If the number formats grew to 128, and formats 98-102 are + * supported with the modifier: + * + * 0x0000003c00000000 0000000000000000 + * ^ + * |__offset = 64, formats = 0x3c00000000 + * + */ + __u64 formats; + __u32 offset; + __u32 pad; + + /* The modifier that applies to the >get_plane format list bitmask. */ + __u64 modifier; +}; + /** * Create a new 'blob' data property, copying length bytes from data pointer, * and returning new blob ID. diff --git a/include/uapi/drm/i915_drm.h b/include/uapi/drm/i915_drm.h index 7ccbd6a2bbe0..6598fb76d2c2 100644 --- a/include/uapi/drm/i915_drm.h +++ b/include/uapi/drm/i915_drm.h @@ -260,6 +260,8 @@ typedef struct _drm_i915_sarea { #define DRM_I915_GEM_CONTEXT_GETPARAM 0x34 #define DRM_I915_GEM_CONTEXT_SETPARAM 0x35 #define DRM_I915_PERF_OPEN 0x36 +#define DRM_I915_PERF_ADD_CONFIG 0x37 +#define DRM_I915_PERF_REMOVE_CONFIG 0x38 #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -315,6 +317,8 @@ typedef struct _drm_i915_sarea { #define DRM_IOCTL_I915_GEM_CONTEXT_GETPARAM DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_GETPARAM, struct drm_i915_gem_context_param) #define DRM_IOCTL_I915_GEM_CONTEXT_SETPARAM DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_SETPARAM, struct drm_i915_gem_context_param) #define DRM_IOCTL_I915_PERF_OPEN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_OPEN, struct drm_i915_perf_open_param) +#define DRM_IOCTL_I915_PERF_ADD_CONFIG DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_ADD_CONFIG, struct drm_i915_perf_oa_config) +#define DRM_IOCTL_I915_PERF_REMOVE_CONFIG DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_REMOVE_CONFIG, __u64) /* Allow drivers to submit batchbuffers directly to hardware, relying * on the security mechanisms provided by hardware. @@ -431,6 +435,11 @@ typedef struct drm_i915_irq_wait { */ #define I915_PARAM_HAS_EXEC_BATCH_FIRST 48 +/* Query whether DRM_I915_GEM_EXECBUFFER2 supports supplying an array of + * drm_i915_gem_exec_fence structures. See I915_EXEC_FENCE_ARRAY. + */ +#define I915_PARAM_HAS_EXEC_FENCE_ARRAY 49 + typedef struct drm_i915_getparam { __s32 param; /* @@ -812,6 +821,17 @@ struct drm_i915_gem_exec_object2 { __u64 rsvd2; }; +struct drm_i915_gem_exec_fence { + /** + * User's handle for a drm_syncobj to wait on or signal. + */ + __u32 handle; + +#define I915_EXEC_FENCE_WAIT (1<<0) +#define I915_EXEC_FENCE_SIGNAL (1<<1) + __u32 flags; +}; + struct drm_i915_gem_execbuffer2 { /** * List of gem_exec_object2 structs @@ -826,7 +846,11 @@ struct drm_i915_gem_execbuffer2 { __u32 DR1; __u32 DR4; __u32 num_cliprects; - /** This is a struct drm_clip_rect *cliprects */ + /** + * This is a struct drm_clip_rect *cliprects if I915_EXEC_FENCE_ARRAY + * is not set. If I915_EXEC_FENCE_ARRAY is set, then this is a + * struct drm_i915_gem_exec_fence *fences. + */ __u64 cliprects_ptr; #define I915_EXEC_RING_MASK (7<<0) #define I915_EXEC_DEFAULT (0<<0) @@ -927,7 +951,14 @@ struct drm_i915_gem_execbuffer2 { * element). */ #define I915_EXEC_BATCH_FIRST (1<<18) -#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_BATCH_FIRST<<1)) + +/* Setting I915_FENCE_ARRAY implies that num_cliprects and cliprects_ptr + * define an array of i915_gem_exec_fence structures which specify a set of + * dma fences to wait upon or signal. + */ +#define I915_EXEC_FENCE_ARRAY (1<<19) + +#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_ARRAY<<1)) #define I915_EXEC_CONTEXT_ID_MASK (0xffffffff) #define i915_execbuffer2_set_context_id(eb2, context) \ @@ -1467,6 +1498,22 @@ enum drm_i915_perf_record_type { DRM_I915_PERF_RECORD_MAX /* non-ABI */ }; +/** + * Structure to upload perf dynamic configuration into the kernel. + */ +struct drm_i915_perf_oa_config { + /** String formatted like "%08x-%04x-%04x-%04x-%012x" */ + char uuid[36]; + + __u32 n_mux_regs; + __u32 n_boolean_regs; + __u32 n_flex_regs; + + __u64 __user mux_regs_ptr; + __u64 __user boolean_regs_ptr; + __u64 __user flex_regs_ptr; +}; + #if defined(__cplusplus) } #endif diff --git a/include/uapi/drm/qxl_drm.h b/include/uapi/drm/qxl_drm.h index 7eef42213051..880999d2d863 100644 --- a/include/uapi/drm/qxl_drm.h +++ b/include/uapi/drm/qxl_drm.h @@ -80,8 +80,8 @@ struct drm_qxl_reloc { }; struct drm_qxl_command { - __u64 __user command; /* void* */ - __u64 __user relocs; /* struct drm_qxl_reloc* */ + __u64 command; /* void* */ + __u64 relocs; /* struct drm_qxl_reloc* */ __u32 type; __u32 command_size; __u32 relocs_num; @@ -91,7 +91,7 @@ struct drm_qxl_command { struct drm_qxl_execbuffer { __u32 flags; /* for future use */ __u32 commands_num; - __u64 __user commands; /* struct drm_qxl_command* */ + __u64 commands; /* struct drm_qxl_command* */ }; struct drm_qxl_update_area { diff --git a/include/uapi/drm/vc4_drm.h b/include/uapi/drm/vc4_drm.h index 6ac4c5c014cb..afae87004963 100644 --- a/include/uapi/drm/vc4_drm.h +++ b/include/uapi/drm/vc4_drm.h @@ -40,6 +40,7 @@ extern "C" { #define DRM_VC4_GET_PARAM 0x07 #define DRM_VC4_SET_TILING 0x08 #define DRM_VC4_GET_TILING 0x09 +#define DRM_VC4_LABEL_BO 0x0a #define DRM_IOCTL_VC4_SUBMIT_CL DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SUBMIT_CL, struct drm_vc4_submit_cl) #define DRM_IOCTL_VC4_WAIT_SEQNO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_WAIT_SEQNO, struct drm_vc4_wait_seqno) @@ -51,6 +52,7 @@ extern "C" { #define DRM_IOCTL_VC4_GET_PARAM DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_PARAM, struct drm_vc4_get_param) #define DRM_IOCTL_VC4_SET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_SET_TILING, struct drm_vc4_set_tiling) #define DRM_IOCTL_VC4_GET_TILING DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_GET_TILING, struct drm_vc4_get_tiling) +#define DRM_IOCTL_VC4_LABEL_BO DRM_IOWR(DRM_COMMAND_BASE + DRM_VC4_LABEL_BO, struct drm_vc4_label_bo) struct drm_vc4_submit_rcl_surface { __u32 hindex; /* Handle index, or ~0 if not present. */ @@ -153,6 +155,16 @@ struct drm_vc4_submit_cl { __u32 pad:24; #define VC4_SUBMIT_CL_USE_CLEAR_COLOR (1 << 0) +/* By default, the kernel gets to choose the order that the tiles are + * rendered in. If this is set, then the tiles will be rendered in a + * raster order, with the right-to-left vs left-to-right and + * top-to-bottom vs bottom-to-top dictated by + * VC4_SUBMIT_CL_RCL_ORDER_INCREASING_*. This allows overlapping + * blits to be implemented using the 3D engine. + */ +#define VC4_SUBMIT_CL_FIXED_RCL_ORDER (1 << 1) +#define VC4_SUBMIT_CL_RCL_ORDER_INCREASING_X (1 << 2) +#define VC4_SUBMIT_CL_RCL_ORDER_INCREASING_Y (1 << 3) __u32 flags; /* Returned value of the seqno of this render job (for the @@ -292,6 +304,7 @@ struct drm_vc4_get_hang_state { #define DRM_VC4_PARAM_SUPPORTS_BRANCHES 3 #define DRM_VC4_PARAM_SUPPORTS_ETC1 4 #define DRM_VC4_PARAM_SUPPORTS_THREADED_FS 5 +#define DRM_VC4_PARAM_SUPPORTS_FIXED_RCL_ORDER 6 struct drm_vc4_get_param { __u32 param; @@ -311,6 +324,15 @@ struct drm_vc4_set_tiling { __u64 modifier; }; +/** + * struct drm_vc4_label_bo - Attach a name to a BO for debug purposes. + */ +struct drm_vc4_label_bo { + __u32 handle; + __u32 len; + __u64 name; +}; + #if defined(__cplusplus) } #endif diff --git a/include/uapi/drm/vmwgfx_drm.h b/include/uapi/drm/vmwgfx_drm.h index d9dfde9aa757..0bc784f5e0db 100644 --- a/include/uapi/drm/vmwgfx_drm.h +++ b/include/uapi/drm/vmwgfx_drm.h @@ -297,13 +297,17 @@ union drm_vmw_surface_reference_arg { * @version: Allows expanding the execbuf ioctl parameters without breaking * backwards compatibility, since user-space will always tell the kernel * which version it uses. - * @flags: Execbuf flags. None currently. + * @flags: Execbuf flags. + * @imported_fence_fd: FD for a fence imported from another device * * Argument to the DRM_VMW_EXECBUF Ioctl. */ #define DRM_VMW_EXECBUF_VERSION 2 +#define DRM_VMW_EXECBUF_FLAG_IMPORT_FENCE_FD (1 << 0) +#define DRM_VMW_EXECBUF_FLAG_EXPORT_FENCE_FD (1 << 1) + struct drm_vmw_execbuf_arg { __u64 commands; __u32 command_size; @@ -312,7 +316,7 @@ struct drm_vmw_execbuf_arg { __u32 version; __u32 flags; __u32 context_handle; - __u32 pad64; + __s32 imported_fence_fd; }; /** @@ -328,6 +332,7 @@ struct drm_vmw_execbuf_arg { * @passed_seqno: The highest seqno number processed by the hardware * so far. This can be used to mark user-space fence objects as signaled, and * to determine whether a fence seqno might be stale. + * @fd: FD associated with the fence, -1 if not exported * @error: This member should've been set to -EFAULT on submission. * The following actions should be take on completion: * error == -EFAULT: Fence communication failed. The host is synchronized. @@ -345,7 +350,7 @@ struct drm_vmw_fence_rep { __u32 mask; __u32 seqno; __u32 passed_seqno; - __u32 pad64; + __s32 fd; __s32 error; }; diff --git a/include/uapi/linux/aio_abi.h b/include/uapi/linux/aio_abi.h index a2d4a8ac94ca..a04adbc70ddf 100644 --- a/include/uapi/linux/aio_abi.h +++ b/include/uapi/linux/aio_abi.h @@ -28,6 +28,7 @@ #define __LINUX__AIO_ABI_H #include <linux/types.h> +#include <linux/fs.h> #include <asm/byteorder.h> typedef __kernel_ulong_t aio_context_t; @@ -62,14 +63,6 @@ struct io_event { __s64 res2; /* secondary result */ }; -#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) -#define PADDED(x,y) x, y -#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) -#define PADDED(x,y) y, x -#else -#error edit for your odd byteorder. -#endif - /* * we always use a 64bit off_t when communicating * with userland. its up to libraries to do the @@ -79,8 +72,16 @@ struct io_event { struct iocb { /* these are internal to the kernel/libc. */ __u64 aio_data; /* data to be returned in event's data */ - __u32 PADDED(aio_key, aio_rw_flags); - /* the kernel sets aio_key to the req # */ + +#if defined(__BYTE_ORDER) ? __BYTE_ORDER == __LITTLE_ENDIAN : defined(__LITTLE_ENDIAN) + __u32 aio_key; /* the kernel sets aio_key to the req # */ + __kernel_rwf_t aio_rw_flags; /* RWF_* flags */ +#elif defined(__BYTE_ORDER) ? __BYTE_ORDER == __BIG_ENDIAN : defined(__BIG_ENDIAN) + __kernel_rwf_t aio_rw_flags; /* RWF_* flags */ + __u32 aio_key; /* the kernel sets aio_key to the req # */ +#else +#error edit for your odd byteorder. +#endif /* common fields */ __u16 aio_lio_opcode; /* see IOCB_CMD_ above */ diff --git a/include/uapi/linux/android/binder.h b/include/uapi/linux/android/binder.h index 51f891fb1b18..84a9a0944e13 100644 --- a/include/uapi/linux/android/binder.h +++ b/include/uapi/linux/android/binder.h @@ -132,6 +132,7 @@ enum { /* struct binder_fd_array_object - object describing an array of fds in a buffer * @hdr: common header structure + * @pad: padding to ensure correct alignment * @num_fds: number of file descriptors in the buffer * @parent: index in offset array to buffer holding the fd array * @parent_offset: start offset of fd array in the buffer @@ -152,6 +153,7 @@ enum { */ struct binder_fd_array_object { struct binder_object_header hdr; + __u32 pad; binder_size_t num_fds; binder_size_t parent; binder_size_t parent_offset; @@ -184,6 +186,19 @@ struct binder_version { #define BINDER_CURRENT_PROTOCOL_VERSION 8 #endif +/* + * Use with BINDER_GET_NODE_DEBUG_INFO, driver reads ptr, writes to all fields. + * Set ptr to NULL for the first call to get the info for the first node, and + * then repeat the call passing the previously returned value to get the next + * nodes. ptr will be 0 when there are no more nodes. + */ +struct binder_node_debug_info { + binder_uintptr_t ptr; + binder_uintptr_t cookie; + __u32 has_strong_ref; + __u32 has_weak_ref; +}; + #define BINDER_WRITE_READ _IOWR('b', 1, struct binder_write_read) #define BINDER_SET_IDLE_TIMEOUT _IOW('b', 3, __s64) #define BINDER_SET_MAX_THREADS _IOW('b', 5, __u32) @@ -191,6 +206,7 @@ struct binder_version { #define BINDER_SET_CONTEXT_MGR _IOW('b', 7, __s32) #define BINDER_THREAD_EXIT _IOW('b', 8, __s32) #define BINDER_VERSION _IOWR('b', 9, struct binder_version) +#define BINDER_GET_NODE_DEBUG_INFO _IOWR('b', 11, struct binder_node_debug_info) /* * NOTE: Two special error codes you should check for when calling diff --git a/include/uapi/linux/dlm_netlink.h b/include/uapi/linux/dlm_netlink.h index 647c8ef27227..ef1e2e08769a 100644 --- a/include/uapi/linux/dlm_netlink.h +++ b/include/uapi/linux/dlm_netlink.h @@ -10,6 +10,7 @@ #define _DLM_NETLINK_H #include <linux/types.h> +#include <linux/dlmconstants.h> enum { DLM_STATUS_WAITING = 1, diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index b7495d05e8de..56235dddea7d 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -358,13 +358,25 @@ struct fscrypt_key { #define SYNC_FILE_RANGE_WRITE 2 #define SYNC_FILE_RANGE_WAIT_AFTER 4 -/* flags for preadv2/pwritev2: */ -#define RWF_HIPRI 0x00000001 /* high priority request, poll if possible */ -#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC */ -#define RWF_SYNC 0x00000004 /* per-IO O_SYNC */ -#define RWF_NOWAIT 0x00000008 /* per-IO, return -EAGAIN if operation would block */ - -#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC |\ - RWF_NOWAIT) +/* + * Flags for preadv2/pwritev2: + */ + +typedef int __bitwise __kernel_rwf_t; + +/* high priority request, poll if possible */ +#define RWF_HIPRI ((__force __kernel_rwf_t)0x00000001) + +/* per-IO O_DSYNC */ +#define RWF_DSYNC ((__force __kernel_rwf_t)0x00000002) + +/* per-IO O_SYNC */ +#define RWF_SYNC ((__force __kernel_rwf_t)0x00000004) + +/* per-IO, return -EAGAIN if operation would block */ +#define RWF_NOWAIT ((__force __kernel_rwf_t)0x00000008) + +/* mask of flags supported by the kernel */ +#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT) #endif /* _UAPI_LINUX_FS_H */ diff --git a/include/uapi/linux/fsmap.h b/include/uapi/linux/fsmap.h index 7e8e5f0bd6d2..e5213c3e38b2 100644 --- a/include/uapi/linux/fsmap.h +++ b/include/uapi/linux/fsmap.h @@ -96,7 +96,7 @@ fsmap_advance( #define FMR_OF_EXTENT_MAP 0x4 /* segment = extent map */ #define FMR_OF_SHARED 0x8 /* segment = shared with another file */ #define FMR_OF_SPECIAL_OWNER 0x10 /* owner is a special value */ -#define FMR_OF_LAST 0x20 /* segment is the last in the FS */ +#define FMR_OF_LAST 0x20 /* segment is the last in the dataset */ /* Each FS gets to define its own special owner codes. */ #define FMR_OWNER(type, code) (((__u64)type << 32) | \ diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index d6833426fdef..7b4567bacfc2 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -232,6 +232,35 @@ struct kfd_ioctl_wait_events_args { uint32_t wait_result; /* from KFD */ }; +struct kfd_ioctl_set_scratch_backing_va_args { + uint64_t va_addr; /* to KFD */ + uint32_t gpu_id; /* to KFD */ + uint32_t pad; +}; + +struct kfd_ioctl_get_tile_config_args { + /* to KFD: pointer to tile array */ + uint64_t tile_config_ptr; + /* to KFD: pointer to macro tile array */ + uint64_t macro_tile_config_ptr; + /* to KFD: array size allocated by user mode + * from KFD: array size filled by kernel + */ + uint32_t num_tile_configs; + /* to KFD: array size allocated by user mode + * from KFD: array size filled by kernel + */ + uint32_t num_macro_tile_configs; + + uint32_t gpu_id; /* to KFD */ + uint32_t gb_addr_config; /* from KFD */ + uint32_t num_banks; /* from KFD */ + uint32_t num_ranks; /* from KFD */ + /* struct size can be extended later if needed + * without breaking ABI compatibility + */ +}; + #define AMDKFD_IOCTL_BASE 'K' #define AMDKFD_IO(nr) _IO(AMDKFD_IOCTL_BASE, nr) #define AMDKFD_IOR(nr, type) _IOR(AMDKFD_IOCTL_BASE, nr, type) @@ -286,7 +315,13 @@ struct kfd_ioctl_wait_events_args { #define AMDKFD_IOC_DBG_WAVE_CONTROL \ AMDKFD_IOW(0x10, struct kfd_ioctl_dbg_wave_control_args) +#define AMDKFD_IOC_SET_SCRATCH_BACKING_VA \ + AMDKFD_IOWR(0x11, struct kfd_ioctl_set_scratch_backing_va_args) + +#define AMDKFD_IOC_GET_TILE_CONFIG \ + AMDKFD_IOWR(0x12, struct kfd_ioctl_get_tile_config_args) + #define AMDKFD_COMMAND_START 0x01 -#define AMDKFD_COMMAND_END 0x11 +#define AMDKFD_COMMAND_END 0x13 #endif diff --git a/include/uapi/linux/membarrier.h b/include/uapi/linux/membarrier.h index e0b108bd2624..6d47b3249d8a 100644 --- a/include/uapi/linux/membarrier.h +++ b/include/uapi/linux/membarrier.h @@ -40,14 +40,33 @@ * (non-running threads are de facto in such a * state). This covers threads from all processes * running on the system. This command returns 0. + * @MEMBARRIER_CMD_PRIVATE_EXPEDITED: + * Execute a memory barrier on each running + * thread belonging to the same process as the current + * thread. Upon return from system call, the + * caller thread is ensured that all its running + * threads siblings have passed through a state + * where all memory accesses to user-space + * addresses match program order between entry + * to and return from the system call + * (non-running threads are de facto in such a + * state). This only covers threads from the + * same processes as the caller thread. This + * command returns 0. The "expedited" commands + * complete faster than the non-expedited ones, + * they never block, but have the downside of + * causing extra overhead. * * Command to be passed to the membarrier system call. The commands need to * be a single bit each, except for MEMBARRIER_CMD_QUERY which is assigned to * the value 0. */ enum membarrier_cmd { - MEMBARRIER_CMD_QUERY = 0, - MEMBARRIER_CMD_SHARED = (1 << 0), + MEMBARRIER_CMD_QUERY = 0, + MEMBARRIER_CMD_SHARED = (1 << 0), + /* reserved for MEMBARRIER_CMD_SHARED_EXPEDITED (1 << 1) */ + /* reserved for MEMBARRIER_CMD_PRIVATE (1 << 2) */ + MEMBARRIER_CMD_PRIVATE_EXPEDITED = (1 << 3), }; #endif /* _UAPI_LINUX_MEMBARRIER_H */ diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index b1c0b187acfe..140ae638cfd6 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -139,8 +139,9 @@ enum perf_event_sample_format { PERF_SAMPLE_IDENTIFIER = 1U << 16, PERF_SAMPLE_TRANSACTION = 1U << 17, PERF_SAMPLE_REGS_INTR = 1U << 18, + PERF_SAMPLE_PHYS_ADDR = 1U << 19, - PERF_SAMPLE_MAX = 1U << 19, /* non-ABI */ + PERF_SAMPLE_MAX = 1U << 20, /* non-ABI */ }; /* @@ -174,6 +175,8 @@ enum perf_branch_sample_type_shift { PERF_SAMPLE_BRANCH_NO_FLAGS_SHIFT = 14, /* no flags */ PERF_SAMPLE_BRANCH_NO_CYCLES_SHIFT = 15, /* no cycles */ + PERF_SAMPLE_BRANCH_TYPE_SAVE_SHIFT = 16, /* save branch type */ + PERF_SAMPLE_BRANCH_MAX_SHIFT /* non-ABI */ }; @@ -198,9 +201,30 @@ enum perf_branch_sample_type { PERF_SAMPLE_BRANCH_NO_FLAGS = 1U << PERF_SAMPLE_BRANCH_NO_FLAGS_SHIFT, PERF_SAMPLE_BRANCH_NO_CYCLES = 1U << PERF_SAMPLE_BRANCH_NO_CYCLES_SHIFT, + PERF_SAMPLE_BRANCH_TYPE_SAVE = + 1U << PERF_SAMPLE_BRANCH_TYPE_SAVE_SHIFT, + PERF_SAMPLE_BRANCH_MAX = 1U << PERF_SAMPLE_BRANCH_MAX_SHIFT, }; +/* + * Common flow change classification + */ +enum { + PERF_BR_UNKNOWN = 0, /* unknown */ + PERF_BR_COND = 1, /* conditional */ + PERF_BR_UNCOND = 2, /* unconditional */ + PERF_BR_IND = 3, /* indirect */ + PERF_BR_CALL = 4, /* function call */ + PERF_BR_IND_CALL = 5, /* indirect function call */ + PERF_BR_RET = 6, /* function return */ + PERF_BR_SYSCALL = 7, /* syscall */ + PERF_BR_SYSRET = 8, /* syscall return */ + PERF_BR_COND_CALL = 9, /* conditional function call */ + PERF_BR_COND_RET = 10, /* conditional function return */ + PERF_BR_MAX, +}; + #define PERF_SAMPLE_BRANCH_PLM_ALL \ (PERF_SAMPLE_BRANCH_USER|\ PERF_SAMPLE_BRANCH_KERNEL|\ @@ -791,6 +815,7 @@ enum perf_event_type { * { u64 transaction; } && PERF_SAMPLE_TRANSACTION * { u64 abi; # enum perf_sample_regs_abi * u64 regs[weight(mask)]; } && PERF_SAMPLE_REGS_INTR + * { u64 phys_addr;} && PERF_SAMPLE_PHYS_ADDR * }; */ PERF_RECORD_SAMPLE = 9, @@ -931,14 +956,20 @@ union perf_mem_data_src { mem_snoop:5, /* snoop mode */ mem_lock:2, /* lock instr */ mem_dtlb:7, /* tlb access */ - mem_rsvd:31; + mem_lvl_num:4, /* memory hierarchy level number */ + mem_remote:1, /* remote */ + mem_snoopx:2, /* snoop mode, ext */ + mem_rsvd:24; }; }; #elif defined(__BIG_ENDIAN_BITFIELD) union perf_mem_data_src { __u64 val; struct { - __u64 mem_rsvd:31, + __u64 mem_rsvd:24, + mem_snoopx:2, /* snoop mode, ext */ + mem_remote:1, /* remote */ + mem_lvl_num:4, /* memory hierarchy level number */ mem_dtlb:7, /* tlb access */ mem_lock:2, /* lock instr */ mem_snoop:5, /* snoop mode */ @@ -975,6 +1006,22 @@ union perf_mem_data_src { #define PERF_MEM_LVL_UNC 0x2000 /* Uncached memory */ #define PERF_MEM_LVL_SHIFT 5 +#define PERF_MEM_REMOTE_REMOTE 0x01 /* Remote */ +#define PERF_MEM_REMOTE_SHIFT 37 + +#define PERF_MEM_LVLNUM_L1 0x01 /* L1 */ +#define PERF_MEM_LVLNUM_L2 0x02 /* L2 */ +#define PERF_MEM_LVLNUM_L3 0x03 /* L3 */ +#define PERF_MEM_LVLNUM_L4 0x04 /* L4 */ +/* 5-0xa available */ +#define PERF_MEM_LVLNUM_ANY_CACHE 0x0b /* Any cache */ +#define PERF_MEM_LVLNUM_LFB 0x0c /* LFB */ +#define PERF_MEM_LVLNUM_RAM 0x0d /* RAM */ +#define PERF_MEM_LVLNUM_PMEM 0x0e /* PMEM */ +#define PERF_MEM_LVLNUM_NA 0x0f /* N/A */ + +#define PERF_MEM_LVLNUM_SHIFT 33 + /* snoop mode */ #define PERF_MEM_SNOOP_NA 0x01 /* not available */ #define PERF_MEM_SNOOP_NONE 0x02 /* no snoop */ @@ -983,6 +1030,10 @@ union perf_mem_data_src { #define PERF_MEM_SNOOP_HITM 0x10 /* snoop hit modified */ #define PERF_MEM_SNOOP_SHIFT 19 +#define PERF_MEM_SNOOPX_FWD 0x01 /* forward */ +/* 1 free */ +#define PERF_MEM_SNOOPX_SHIFT 37 + /* locked instruction */ #define PERF_MEM_LOCK_NA 0x01 /* not available */ #define PERF_MEM_LOCK_LOCKED 0x02 /* locked transaction */ @@ -1015,6 +1066,7 @@ union perf_mem_data_src { * in_tx: running in a hardware transaction * abort: aborting a hardware transaction * cycles: cycles from last branch (or 0 if not supported) + * type: branch type */ struct perf_branch_entry { __u64 from; @@ -1024,7 +1076,8 @@ struct perf_branch_entry { in_tx:1, /* in transaction */ abort:1, /* transaction abort */ cycles:16, /* cycle count to last branch */ - reserved:44; + type:4, /* branch type */ + reserved:40; }; #endif /* _UAPI_LINUX_PERF_EVENT_H */ diff --git a/include/uapi/linux/serial_core.h b/include/uapi/linux/serial_core.h index c34a2a3eeff5..50d71c436323 100644 --- a/include/uapi/linux/serial_core.h +++ b/include/uapi/linux/serial_core.h @@ -56,8 +56,6 @@ #define PORT_ALTR_16550_F128 28 /* Altera 16550 UART with 128 FIFOs */ #define PORT_RT2880 29 /* Ralink RT2880 internal UART */ #define PORT_16550A_FSL64 30 /* Freescale 16550 UART with 64 FIFOs */ -#define PORT_DA830 31 /* TI DA8xx/66AK2x */ -#define PORT_MAX_8250 31 /* max port ID */ /* * ARM specific type numbers. These are not currently guaranteed @@ -70,12 +68,17 @@ #define PORT_CLPS711X 33 #define PORT_SA1100 34 #define PORT_UART00 35 +#define PORT_OWL 36 #define PORT_21285 37 /* Sparc type numbers. */ #define PORT_SUNZILOG 38 #define PORT_SUNSAB 39 +/* Intel EG20 */ +#define PORT_PCH_8LINE 44 +#define PORT_PCH_2LINE 45 + /* DEC */ #define PORT_DZ 46 #define PORT_ZS 47 @@ -205,8 +208,8 @@ /* MAX310X */ #define PORT_MAX310X 94 -/* High Speed UART for Medfield */ -#define PORT_MFD 95 +/* TI DA8xx/66AK2x */ +#define PORT_DA830 95 /* TI OMAP-UART */ #define PORT_OMAP 96 @@ -271,4 +274,7 @@ /* MPS2 UART */ #define PORT_MPS2UART 116 +/* MediaTek BTIF */ +#define PORT_MTK_BTIF 117 + #endif /* _UAPILINUX_SERIAL_CORE_H */ diff --git a/include/uapi/linux/usb/charger.h b/include/uapi/linux/usb/charger.h new file mode 100644 index 000000000000..5f72af35b3ed --- /dev/null +++ b/include/uapi/linux/usb/charger.h @@ -0,0 +1,31 @@ +/* + * This file defines the USB charger type and state that are needed for + * USB device APIs. + */ + +#ifndef _UAPI__LINUX_USB_CHARGER_H +#define _UAPI__LINUX_USB_CHARGER_H + +/* + * USB charger type: + * SDP (Standard Downstream Port) + * DCP (Dedicated Charging Port) + * CDP (Charging Downstream Port) + * ACA (Accessory Charger Adapters) + */ +enum usb_charger_type { + UNKNOWN_TYPE, + SDP_TYPE, + DCP_TYPE, + CDP_TYPE, + ACA_TYPE, +}; + +/* USB charger state */ +enum usb_charger_state { + USB_CHARGER_DEFAULT, + USB_CHARGER_PRESENT, + USB_CHARGER_ABSENT, +}; + +#endif /* _UAPI__LINUX_USB_CHARGER_H */ diff --git a/include/uapi/linux/virtio_ring.h b/include/uapi/linux/virtio_ring.h index c07295969b7e..6d5d5faa989b 100644 --- a/include/uapi/linux/virtio_ring.h +++ b/include/uapi/linux/virtio_ring.h @@ -1,7 +1,7 @@ #ifndef _UAPI_LINUX_VIRTIO_RING_H #define _UAPI_LINUX_VIRTIO_RING_H -/* An interface for efficient virtio implementation, currently for use by KVM - * and lguest, but hopefully others soon. Do NOT change this since it will +/* An interface for efficient virtio implementation, currently for use by KVM, + * but hopefully others soon. Do NOT change this since it will * break existing servers and clients. * * This header is BSD licensed so anyone can use the definitions to implement diff --git a/include/uapi/rdma/ib_user_ioctl_verbs.h b/include/uapi/rdma/ib_user_ioctl_verbs.h new file mode 100644 index 000000000000..842792eae383 --- /dev/null +++ b/include/uapi/rdma/ib_user_ioctl_verbs.h @@ -0,0 +1,84 @@ +/* + * Copyright (c) 2017, Mellanox Technologies inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + * Redistribution and use in source and binary forms, with or + * without modification, are permitted provided that the following + * conditions are met: + * + * - Redistributions of source code must retain the above + * copyright notice, this list of conditions and the following + * disclaimer. + * + * - Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef IB_USER_IOCTL_VERBS_H +#define IB_USER_IOCTL_VERBS_H + +#include <rdma/rdma_user_ioctl.h> + +#define UVERBS_UDATA_DRIVER_DATA_NS 1 +#define UVERBS_UDATA_DRIVER_DATA_FLAG (1UL << UVERBS_ID_NS_SHIFT) + +enum uverbs_default_objects { + UVERBS_OBJECT_DEVICE, /* No instances of DEVICE are allowed */ + UVERBS_OBJECT_PD, + UVERBS_OBJECT_COMP_CHANNEL, + UVERBS_OBJECT_CQ, + UVERBS_OBJECT_QP, + UVERBS_OBJECT_SRQ, + UVERBS_OBJECT_AH, + UVERBS_OBJECT_MR, + UVERBS_OBJECT_MW, + UVERBS_OBJECT_FLOW, + UVERBS_OBJECT_XRCD, + UVERBS_OBJECT_RWQ_IND_TBL, + UVERBS_OBJECT_WQ, + UVERBS_OBJECT_LAST, +}; + +enum { + UVERBS_UHW_IN = UVERBS_UDATA_DRIVER_DATA_FLAG, + UVERBS_UHW_OUT, +}; + +enum uverbs_create_cq_cmd_attr_ids { + CREATE_CQ_HANDLE, + CREATE_CQ_CQE, + CREATE_CQ_USER_HANDLE, + CREATE_CQ_COMP_CHANNEL, + CREATE_CQ_COMP_VECTOR, + CREATE_CQ_FLAGS, + CREATE_CQ_RESP_CQE, +}; + +enum uverbs_destroy_cq_cmd_attr_ids { + DESTROY_CQ_HANDLE, + DESTROY_CQ_RESP, +}; + +enum uverbs_actions_cq_ops { + UVERBS_CQ_CREATE, + UVERBS_CQ_DESTROY, +}; + +#endif + diff --git a/include/uapi/rdma/ib_user_verbs.h b/include/uapi/rdma/ib_user_verbs.h index 270c350bedc6..9a0b6479fe0c 100644 --- a/include/uapi/rdma/ib_user_verbs.h +++ b/include/uapi/rdma/ib_user_verbs.h @@ -236,6 +236,20 @@ struct ib_uverbs_rss_caps { __u32 reserved; }; +struct ib_uverbs_tm_caps { + /* Max size of rendezvous request message */ + __u32 max_rndv_hdr_size; + /* Max number of entries in tag matching list */ + __u32 max_num_tags; + /* TM flags */ + __u32 flags; + /* Max number of outstanding list operations */ + __u32 max_ops; + /* Max number of SGE in tag matching entry */ + __u32 max_sge; + __u32 reserved; +}; + struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_query_device_resp base; __u32 comp_mask; @@ -247,6 +261,7 @@ struct ib_uverbs_ex_query_device_resp { struct ib_uverbs_rss_caps rss_caps; __u32 max_wq_type_rq; __u32 raw_packet_caps; + struct ib_uverbs_tm_caps xrq_caps; }; struct ib_uverbs_query_port { @@ -578,7 +593,7 @@ struct ib_uverbs_ex_create_qp { __u32 comp_mask; __u32 create_flags; __u32 rwq_ind_tbl_handle; - __u32 reserved1; + __u32 source_qpn; }; struct ib_uverbs_open_qp { @@ -1024,7 +1039,7 @@ struct ib_uverbs_create_xsrq { __u32 max_wr; __u32 max_sge; __u32 srq_limit; - __u32 reserved; + __u32 max_num_tags; __u32 xrcd_handle; __u32 cq_handle; __u64 driver_data[0]; diff --git a/include/uapi/rdma/mlx4-abi.h b/include/uapi/rdma/mlx4-abi.h index af431752655c..c55f60e05f86 100644 --- a/include/uapi/rdma/mlx4-abi.h +++ b/include/uapi/rdma/mlx4-abi.h @@ -95,13 +95,63 @@ struct mlx4_ib_create_srq_resp { __u32 reserved; }; +struct mlx4_ib_create_qp_rss { + __u64 rx_hash_fields_mask; + __u8 rx_hash_function; + __u8 reserved[7]; + __u8 rx_hash_key[40]; + __u32 comp_mask; + __u32 reserved1; +}; + struct mlx4_ib_create_qp { __u64 buf_addr; __u64 db_addr; __u8 log_sq_bb_count; __u8 log_sq_stride; __u8 sq_no_prefetch; - __u8 reserved[5]; + __u8 reserved; + __u32 inl_recv_sz; +}; + +struct mlx4_ib_create_wq { + __u64 buf_addr; + __u64 db_addr; + __u8 log_range_size; + __u8 reserved[3]; + __u32 comp_mask; +}; + +struct mlx4_ib_modify_wq { + __u32 comp_mask; + __u32 reserved; +}; + +struct mlx4_ib_create_rwq_ind_tbl_resp { + __u32 response_length; + __u32 reserved; +}; + +/* RX Hash function flags */ +enum mlx4_ib_rx_hash_function_flags { + MLX4_IB_RX_HASH_FUNC_TOEPLITZ = 1 << 0, +}; + +/* + * RX Hash flags, these flags allows to set which incoming packet's field should + * participates in RX Hash. Each flag represent certain packet's field, + * when the flag is set the field that is represented by the flag will + * participate in RX Hash calculation. + */ +enum mlx4_ib_rx_hash_fields { + MLX4_IB_RX_HASH_SRC_IPV4 = 1 << 0, + MLX4_IB_RX_HASH_DST_IPV4 = 1 << 1, + MLX4_IB_RX_HASH_SRC_IPV6 = 1 << 2, + MLX4_IB_RX_HASH_DST_IPV6 = 1 << 3, + MLX4_IB_RX_HASH_SRC_PORT_TCP = 1 << 4, + MLX4_IB_RX_HASH_DST_PORT_TCP = 1 << 5, + MLX4_IB_RX_HASH_SRC_PORT_UDP = 1 << 6, + MLX4_IB_RX_HASH_DST_PORT_UDP = 1 << 7 }; #endif /* MLX4_ABI_USER_H */ diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index 0b3d30837a9f..1791bf123ba9 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -168,6 +168,28 @@ struct mlx5_packet_pacing_caps { __u32 reserved; }; +enum mlx5_ib_mpw_caps { + MPW_RESERVED = 1 << 0, + MLX5_IB_ALLOW_MPW = 1 << 1, + MLX5_IB_SUPPORT_EMPW = 1 << 2, +}; + +enum mlx5_ib_sw_parsing_offloads { + MLX5_IB_SW_PARSING = 1 << 0, + MLX5_IB_SW_PARSING_CSUM = 1 << 1, + MLX5_IB_SW_PARSING_LSO = 1 << 2, +}; + +struct mlx5_ib_sw_parsing_caps { + __u32 sw_parsing_offloads; /* enum mlx5_ib_sw_parsing_offloads */ + + /* Corresponding bit will be set if qp type from + * 'enum ib_qp_type' is supported, e.g. + * supported_qpts |= 1 << IB_QPT_RAW_PACKET + */ + __u32 supported_qpts; +}; + struct mlx5_ib_query_device_resp { __u32 comp_mask; __u32 response_length; @@ -177,6 +199,7 @@ struct mlx5_ib_query_device_resp { struct mlx5_packet_pacing_caps packet_pacing_caps; __u32 mlx5_ib_support_multi_pkt_send_wqes; __u32 reserved; + struct mlx5_ib_sw_parsing_caps sw_parsing_caps; }; struct mlx5_ib_create_cq { diff --git a/include/uapi/rdma/qedr-abi.h b/include/uapi/rdma/qedr-abi.h index 75c270d839c8..54b64357ab24 100644 --- a/include/uapi/rdma/qedr-abi.h +++ b/include/uapi/rdma/qedr-abi.h @@ -49,6 +49,9 @@ struct qedr_alloc_ucontext_resp { __u32 sges_per_recv_wr; __u32 sges_per_srq_wr; __u32 max_cqes; + __u8 dpm_enabled; + __u8 wids_enabled; + __u16 wid_count; }; struct qedr_alloc_pd_ureq { diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 02fe8390c18f..861440a87e7c 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -8,7 +8,7 @@ enum { RDMA_NL_IWCM, RDMA_NL_RSVD, RDMA_NL_LS, /* RDMA Local Services */ - RDMA_NL_I40IW, + RDMA_NL_NLDEV, /* RDMA device interface */ RDMA_NL_NUM_CLIENTS }; @@ -222,4 +222,86 @@ struct rdma_nla_ls_gid { __u8 gid[16]; }; +enum rdma_nldev_command { + RDMA_NLDEV_CMD_UNSPEC, + + RDMA_NLDEV_CMD_GET, /* can dump */ + RDMA_NLDEV_CMD_SET, + RDMA_NLDEV_CMD_NEW, + RDMA_NLDEV_CMD_DEL, + + RDMA_NLDEV_CMD_PORT_GET, /* can dump */ + RDMA_NLDEV_CMD_PORT_SET, + RDMA_NLDEV_CMD_PORT_NEW, + RDMA_NLDEV_CMD_PORT_DEL, + + RDMA_NLDEV_NUM_OPS +}; + +enum rdma_nldev_attr { + /* don't change the order or add anything between, this is ABI! */ + RDMA_NLDEV_ATTR_UNSPEC, + + /* Identifier for ib_device */ + RDMA_NLDEV_ATTR_DEV_INDEX, /* u32 */ + + RDMA_NLDEV_ATTR_DEV_NAME, /* string */ + /* + * Device index together with port index are identifiers + * for port/link properties. + * + * For RDMA_NLDEV_CMD_GET commamnd, port index will return number + * of available ports in ib_device, while for port specific operations, + * it will be real port index as it appears in sysfs. Port index follows + * sysfs notation and starts from 1 for the first port. + */ + RDMA_NLDEV_ATTR_PORT_INDEX, /* u32 */ + + /* + * Device and port capabilities + */ + RDMA_NLDEV_ATTR_CAP_FLAGS, /* u64 */ + + /* + * FW version + */ + RDMA_NLDEV_ATTR_FW_VERSION, /* string */ + + /* + * Node GUID (in host byte order) associated with the RDMA device. + */ + RDMA_NLDEV_ATTR_NODE_GUID, /* u64 */ + + /* + * System image GUID (in host byte order) associated with + * this RDMA device and other devices which are part of a + * single system. + */ + RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, /* u64 */ + + /* + * Subnet prefix (in host byte order) + */ + RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */ + + /* + * Local Identifier (LID), + * According to IB specification, It is 16-bit address assigned + * by the Subnet Manager. Extended to be 32-bit for OmniPath users. + */ + RDMA_NLDEV_ATTR_LID, /* u32 */ + RDMA_NLDEV_ATTR_SM_LID, /* u32 */ + + /* + * LID mask control (LMC) + */ + RDMA_NLDEV_ATTR_LMC, /* u8 */ + + RDMA_NLDEV_ATTR_PORT_STATE, /* u8 */ + RDMA_NLDEV_ATTR_PORT_PHYS_STATE, /* u8 */ + + RDMA_NLDEV_ATTR_DEV_NODE_TYPE, /* u8 */ + + RDMA_NLDEV_ATTR_MAX +}; #endif /* _UAPI_RDMA_NETLINK_H */ diff --git a/include/uapi/rdma/rdma_user_ioctl.h b/include/uapi/rdma/rdma_user_ioctl.h index 9388125ad51b..165a27e969d5 100644 --- a/include/uapi/rdma/rdma_user_ioctl.h +++ b/include/uapi/rdma/rdma_user_ioctl.h @@ -43,6 +43,39 @@ /* Legacy name, for user space application which already use it */ #define IB_IOCTL_MAGIC RDMA_IOCTL_MAGIC +#define RDMA_VERBS_IOCTL \ + _IOWR(RDMA_IOCTL_MAGIC, 1, struct ib_uverbs_ioctl_hdr) + +#define UVERBS_ID_NS_MASK 0xF000 +#define UVERBS_ID_NS_SHIFT 12 + +enum { + /* User input */ + UVERBS_ATTR_F_MANDATORY = 1U << 0, + /* + * Valid output bit should be ignored and considered set in + * mandatory fields. This bit is kernel output. + */ + UVERBS_ATTR_F_VALID_OUTPUT = 1U << 1, +}; + +struct ib_uverbs_attr { + __u16 attr_id; /* command specific type attribute */ + __u16 len; /* only for pointers */ + __u16 flags; /* combination of UVERBS_ATTR_F_XXXX */ + __u16 reserved; + __u64 data; /* ptr to command, inline data or idr/fd */ +}; + +struct ib_uverbs_ioctl_hdr { + __u16 length; + __u16 object_id; + __u16 method_id; + __u16 num_attrs; + __u64 reserved; + struct ib_uverbs_attr attrs[0]; +}; + /* * General blocks assignments * It is closed on purpose do not expose it it user space diff --git a/include/uapi/rdma/vmw_pvrdma-abi.h b/include/uapi/rdma/vmw_pvrdma-abi.h index c8c1d2d6df4d..c6569b0032ec 100644 --- a/include/uapi/rdma/vmw_pvrdma-abi.h +++ b/include/uapi/rdma/vmw_pvrdma-abi.h @@ -125,7 +125,8 @@ enum pvrdma_wc_flags { PVRDMA_WC_IP_CSUM_OK = 1 << 3, PVRDMA_WC_WITH_SMAC = 1 << 4, PVRDMA_WC_WITH_VLAN = 1 << 5, - PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_VLAN, + PVRDMA_WC_WITH_NETWORK_HDR_TYPE = 1 << 6, + PVRDMA_WC_FLAGS_MAX = PVRDMA_WC_WITH_NETWORK_HDR_TYPE, }; struct pvrdma_alloc_ucontext_resp { @@ -283,7 +284,8 @@ struct pvrdma_cqe { __u8 dlid_path_bits; __u8 port_num; __u8 smac[6]; - __u8 reserved2[7]; /* Pad to next power of 2 (64). */ + __u8 network_hdr_type; + __u8 reserved2[6]; /* Pad to next power of 2 (64). */ }; #endif /* __VMW_PVRDMA_ABI_H__ */ |