diff options
Diffstat (limited to 'include/linux/efi.h')
| -rw-r--r-- | include/linux/efi.h | 204 |
1 files changed, 98 insertions, 106 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index c2db3ca22217..7f5a58225385 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -536,116 +536,58 @@ typedef efi_status_t efi_query_variable_store_t(u32 attributes, void efi_native_runtime_setup(void); /* - * EFI Configuration Table and GUID definitions + * EFI Configuration Table and GUID definitions + * + * These are all defined in a single line to make them easier to + * grep for and to see them at a glance - while still having a + * similar structure to the definitions in the spec. + * + * Here's how they are structured: + * + * GUID: 12345678-1234-1234-1234-123456789012 + * Spec: + * #define EFI_SOME_PROTOCOL_GUID \ + * {0x12345678,0x1234,0x1234,\ + * {0x12,0x34,0x12,0x34,0x56,0x78,0x90,0x12}} + * Here: + * #define SOME_PROTOCOL_GUID EFI_GUID(0x12345678, 0x1234, 0x1234, 0x12, 0x34, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12) + * ^ tabs ^extra space + * + * Note that the 'extra space' separates the values at the same place + * where the UEFI SPEC breaks the line. */ -#define NULL_GUID \ - EFI_GUID(0x00000000, 0x0000, 0x0000, \ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) - -#define MPS_TABLE_GUID \ - EFI_GUID(0xeb9d2d2f, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define ACPI_TABLE_GUID \ - EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define ACPI_20_TABLE_GUID \ - EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \ - 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) - -#define SMBIOS_TABLE_GUID \ - EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define SMBIOS3_TABLE_GUID \ - EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c, \ - 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94) - -#define SAL_SYSTEM_TABLE_GUID \ - EFI_GUID(0xeb9d2d32, 0x2d88, 0x11d3, \ - 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) - -#define HCDP_TABLE_GUID \ - EFI_GUID(0xf951938d, 0x620b, 0x42ef, \ - 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98) - -#define UGA_IO_PROTOCOL_GUID \ - EFI_GUID(0x61a4d49e, 0x6f68, 0x4f1b, \ - 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2) - -#define EFI_GLOBAL_VARIABLE_GUID \ - EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, \ - 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) - -#define UV_SYSTEM_TABLE_GUID \ - EFI_GUID(0x3b13a7d4, 0x633e, 0x11dd, \ - 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93) - -#define LINUX_EFI_CRASH_GUID \ - EFI_GUID(0xcfc8fc79, 0xbe2e, 0x4ddc, \ - 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0) - -#define LOADED_IMAGE_PROTOCOL_GUID \ - EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \ - 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) - -#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \ - EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \ - 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) - -#define EFI_UGA_PROTOCOL_GUID \ - EFI_GUID(0x982c298b, 0xf4fa, 0x41cb, \ - 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39) - -#define EFI_PCI_IO_PROTOCOL_GUID \ - EFI_GUID(0x4cf5b200, 0x68b8, 0x4ca5, \ - 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a) - -#define EFI_FILE_INFO_ID \ - EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \ - 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) - -#define EFI_SYSTEM_RESOURCE_TABLE_GUID \ - EFI_GUID(0xb122a263, 0x3661, 0x4f68, \ - 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80) - -#define EFI_FILE_SYSTEM_GUID \ - EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ - 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) - -#define DEVICE_TREE_GUID \ - EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \ - 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) - -#define EFI_PROPERTIES_TABLE_GUID \ - EFI_GUID(0x880aaca3, 0x4adc, 0x4a04, \ - 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5) - -#define EFI_RNG_PROTOCOL_GUID \ - EFI_GUID(0x3152bca5, 0xeade, 0x433d, \ - 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) - -#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID \ - EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, \ - 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20) - -#define EFI_CONSOLE_OUT_DEVICE_GUID \ - EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, \ - 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define NULL_GUID EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) +#define MPS_TABLE_GUID EFI_GUID(0xeb9d2d2f, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define ACPI_TABLE_GUID EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define ACPI_20_TABLE_GUID EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) +#define SMBIOS_TABLE_GUID EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define SMBIOS3_TABLE_GUID EFI_GUID(0xf2fd1544, 0x9794, 0x4a2c, 0x99, 0x2e, 0xe5, 0xbb, 0xcf, 0x20, 0xe3, 0x94) +#define SAL_SYSTEM_TABLE_GUID EFI_GUID(0xeb9d2d32, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) +#define HCDP_TABLE_GUID EFI_GUID(0xf951938d, 0x620b, 0x42ef, 0x82, 0x79, 0xa8, 0x4b, 0x79, 0x61, 0x78, 0x98) +#define UGA_IO_PROTOCOL_GUID EFI_GUID(0x61a4d49e, 0x6f68, 0x4f1b, 0xb9, 0x22, 0xa8, 0x6e, 0xed, 0x0b, 0x07, 0xa2) +#define EFI_GLOBAL_VARIABLE_GUID EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) +#define UV_SYSTEM_TABLE_GUID EFI_GUID(0x3b13a7d4, 0x633e, 0x11dd, 0x93, 0xec, 0xda, 0x25, 0x56, 0xd8, 0x95, 0x93) +#define LINUX_EFI_CRASH_GUID EFI_GUID(0xcfc8fc79, 0xbe2e, 0x4ddc, 0x97, 0xf0, 0x9f, 0x98, 0xbf, 0xe2, 0x98, 0xa0) +#define LOADED_IMAGE_PROTOCOL_GUID EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) +#define EFI_UGA_PROTOCOL_GUID EFI_GUID(0x982c298b, 0xf4fa, 0x41cb, 0xb8, 0x38, 0x77, 0xaa, 0x68, 0x8f, 0xb8, 0x39) +#define EFI_PCI_IO_PROTOCOL_GUID EFI_GUID(0x4cf5b200, 0x68b8, 0x4ca5, 0x9e, 0xec, 0xb2, 0x3e, 0x3f, 0x50, 0x02, 0x9a) +#define EFI_FILE_INFO_ID EFI_GUID(0x09576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define EFI_SYSTEM_RESOURCE_TABLE_GUID EFI_GUID(0xb122a263, 0x3661, 0x4f68, 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80) +#define EFI_FILE_SYSTEM_GUID EFI_GUID(0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) +#define DEVICE_TREE_GUID EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) +#define EFI_PROPERTIES_TABLE_GUID EFI_GUID(0x880aaca3, 0x4adc, 0x4a04, 0x90, 0x79, 0xb7, 0x47, 0x34, 0x08, 0x25, 0xe5) +#define EFI_RNG_PROTOCOL_GUID EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, 0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44) +#define EFI_MEMORY_ATTRIBUTES_TABLE_GUID EFI_GUID(0xdcfa911d, 0x26eb, 0x469f, 0xa2, 0x20, 0x38, 0xb7, 0xdc, 0x46, 0x12, 0x20) +#define EFI_CONSOLE_OUT_DEVICE_GUID EFI_GUID(0xd3b36f2c, 0xd551, 0x11d4, 0x9a, 0x46, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) /* * This GUID is used to pass to the kernel proper the struct screen_info * structure that was populated by the stub based on the GOP protocol instance * associated with ConOut */ -#define LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID \ - EFI_GUID(0xe03fc20a, 0x85dc, 0x406e, \ - 0xb9, 0xe, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95) - -#define LINUX_EFI_LOADER_ENTRY_GUID \ - EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf, \ - 0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f) +#define LINUX_EFI_ARM_SCREEN_INFO_TABLE_GUID EFI_GUID(0xe03fc20a, 0x85dc, 0x406e, 0xb9, 0x0e, 0x4a, 0xb5, 0x02, 0x37, 0x1d, 0x95) +#define LINUX_EFI_LOADER_ENTRY_GUID EFI_GUID(0x4a67b082, 0x0a4c, 0x41cf, 0xb6, 0xc7, 0x44, 0x0b, 0x29, 0xbb, 0x8c, 0x4f) typedef struct { efi_guid_t guid; @@ -937,7 +879,7 @@ extern void efi_init (void); extern void *efi_get_pal_addr (void); extern void efi_map_pal_code (void); extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); -extern void efi_gettimeofday (struct timespec *ts); +extern void efi_gettimeofday (struct timespec64 *ts); extern void efi_enter_virtual_mode (void); /* switch EFI to virtual mode, if possible */ #ifdef CONFIG_X86 extern void efi_late_init(void); @@ -975,7 +917,6 @@ extern u64 efi_mem_desc_end(efi_memory_desc_t *md); extern int efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource, struct resource *bss_resource); -extern void efi_get_time(struct timespec *now); extern void efi_reserve_boot_services(void); extern int efi_get_fdt_params(struct efi_fdt_params *params); extern struct kobject *efi_kobj; @@ -1005,7 +946,7 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm, /* Iterate through an efi_memory_map */ #define for_each_efi_memory_desc_in_map(m, md) \ for ((md) = (m)->map; \ - (md) <= (efi_memory_desc_t *)((m)->map_end - (m)->desc_size); \ + ((void *)(md) + (m)->desc_size) <= (m)->map_end; \ (md) = (void *)(md) + (m)->desc_size) /** @@ -1465,4 +1406,55 @@ efi_status_t efi_setup_gop(efi_system_table_t *sys_table_arg, unsigned long size); bool efi_runtime_disabled(void); +extern void efi_call_virt_check_flags(unsigned long flags, const char *call); + +/* + * Arch code can implement the following three template macros, avoiding + * reptition for the void/non-void return cases of {__,}efi_call_virt(): + * + * * arch_efi_call_virt_setup() + * + * Sets up the environment for the call (e.g. switching page tables, + * allowing kernel-mode use of floating point, if required). + * + * * arch_efi_call_virt() + * + * Performs the call. The last expression in the macro must be the call + * itself, allowing the logic to be shared by the void and non-void + * cases. + * + * * arch_efi_call_virt_teardown() + * + * Restores the usual kernel environment once the call has returned. + */ + +#define efi_call_virt_pointer(p, f, args...) \ +({ \ + efi_status_t __s; \ + unsigned long __flags; \ + \ + arch_efi_call_virt_setup(); \ + \ + local_save_flags(__flags); \ + __s = arch_efi_call_virt(p, f, args); \ + efi_call_virt_check_flags(__flags, __stringify(f)); \ + \ + arch_efi_call_virt_teardown(); \ + \ + __s; \ +}) + +#define __efi_call_virt_pointer(p, f, args...) \ +({ \ + unsigned long __flags; \ + \ + arch_efi_call_virt_setup(); \ + \ + local_save_flags(__flags); \ + arch_efi_call_virt(p, f, args); \ + efi_call_virt_check_flags(__flags, __stringify(f)); \ + \ + arch_efi_call_virt_teardown(); \ +}) + #endif /* _LINUX_EFI_H */ |