| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef BOOT_COMPRESSED_EFI_H |
| #define BOOT_COMPRESSED_EFI_H |
| |
| #if defined(_LINUX_EFI_H) || defined(_ASM_X86_EFI_H) |
| #error Please do not include kernel proper namespace headers |
| #endif |
| |
| typedef guid_t efi_guid_t __aligned(__alignof__(u32)); |
| |
| #define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \ |
| (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ |
| (b) & 0xff, ((b) >> 8) & 0xff, \ |
| (c) & 0xff, ((c) >> 8) & 0xff, d } } |
| |
| #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 EFI_CC_BLOB_GUID EFI_GUID(0x067b1f5f, 0xcf26, 0x44c5, 0x85, 0x54, 0x93, 0xd7, 0x77, 0x91, 0x2d, 0x42) |
| #define LINUX_EFI_UNACCEPTED_MEM_TABLE_GUID EFI_GUID(0xd5d1de3c, 0x105c, 0x44f9, 0x9e, 0xa9, 0xbc, 0xef, 0x98, 0x12, 0x00, 0x31) |
| |
| #define EFI32_LOADER_SIGNATURE "EL32" |
| #define EFI64_LOADER_SIGNATURE "EL64" |
| |
| /* |
| * Generic EFI table header |
| */ |
| typedef struct { |
| u64 signature; |
| u32 revision; |
| u32 headersize; |
| u32 crc32; |
| u32 reserved; |
| } efi_table_hdr_t; |
| |
| #define EFI_CONVENTIONAL_MEMORY 7 |
| #define EFI_UNACCEPTED_MEMORY 15 |
| |
| #define EFI_MEMORY_MORE_RELIABLE \ |
| ((u64)0x0000000000010000ULL) /* higher reliability */ |
| #define EFI_MEMORY_SP ((u64)0x0000000000040000ULL) /* soft reserved */ |
| |
| #define EFI_PAGE_SHIFT 12 |
| |
| typedef struct { |
| u32 type; |
| u32 pad; |
| u64 phys_addr; |
| u64 virt_addr; |
| u64 num_pages; |
| u64 attribute; |
| } efi_memory_desc_t; |
| |
| #define efi_early_memdesc_ptr(map, desc_size, n) \ |
| (efi_memory_desc_t *)((void *)(map) + ((n) * (desc_size))) |
| |
| typedef struct { |
| efi_guid_t guid; |
| u64 table; |
| } efi_config_table_64_t; |
| |
| typedef struct { |
| efi_guid_t guid; |
| u32 table; |
| } efi_config_table_32_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u64 fw_vendor; /* physical addr of CHAR16 vendor string */ |
| u32 fw_revision; |
| u32 __pad1; |
| u64 con_in_handle; |
| u64 con_in; |
| u64 con_out_handle; |
| u64 con_out; |
| u64 stderr_handle; |
| u64 stderr; |
| u64 runtime; |
| u64 boottime; |
| u32 nr_tables; |
| u32 __pad2; |
| u64 tables; |
| } efi_system_table_64_t; |
| |
| typedef struct { |
| efi_table_hdr_t hdr; |
| u32 fw_vendor; /* physical addr of CHAR16 vendor string */ |
| u32 fw_revision; |
| u32 con_in_handle; |
| u32 con_in; |
| u32 con_out_handle; |
| u32 con_out; |
| u32 stderr_handle; |
| u32 stderr; |
| u32 runtime; |
| u32 boottime; |
| u32 nr_tables; |
| u32 tables; |
| } efi_system_table_32_t; |
| |
| /* kexec external ABI */ |
| struct efi_setup_data { |
| u64 fw_vendor; |
| u64 __unused; |
| u64 tables; |
| u64 smbios; |
| u64 reserved[8]; |
| }; |
| |
| struct efi_unaccepted_memory { |
| u32 version; |
| u32 unit_size; |
| u64 phys_base; |
| u64 size; |
| unsigned long bitmap[]; |
| }; |
| |
| static inline int efi_guidcmp (efi_guid_t left, efi_guid_t right) |
| { |
| return memcmp(&left, &right, sizeof (efi_guid_t)); |
| } |
| |
| #ifdef CONFIG_EFI |
| bool __pure __efi_soft_reserve_enabled(void); |
| |
| static inline bool __pure efi_soft_reserve_enabled(void) |
| { |
| return IS_ENABLED(CONFIG_EFI_SOFT_RESERVE) |
| && __efi_soft_reserve_enabled(); |
| } |
| #else |
| static inline bool efi_soft_reserve_enabled(void) |
| { |
| return false; |
| } |
| #endif /* CONFIG_EFI */ |
| #endif /* BOOT_COMPRESSED_EFI_H */ |