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/* 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 */
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