diff options
Diffstat (limited to 'include/linux/efi.h')
-rw-r--r-- | include/linux/efi.h | 53 |
1 files changed, 47 insertions, 6 deletions
diff --git a/include/linux/efi.h b/include/linux/efi.h index 100ce4a4aff6..45ff763fba76 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -663,6 +663,10 @@ void efi_native_runtime_setup(void); #define EFI_IMAGE_SECURITY_DATABASE_GUID EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, 0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f) #define EFI_SHIM_LOCK_GUID EFI_GUID(0x605dab50, 0xe046, 0x4300, 0xab, 0xb6, 0x3d, 0xd8, 0x10, 0xdd, 0x8b, 0x23) +#define EFI_CERT_SHA256_GUID EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, 0x41, 0xf9, 0x36, 0x93, 0x43, 0x28) +#define EFI_CERT_X509_GUID EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, 0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72) +#define EFI_CERT_X509_SHA256_GUID EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, 0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed) + /* * 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 @@ -934,6 +938,27 @@ typedef struct { efi_memory_desc_t entry[0]; } efi_memory_attributes_table_t; +typedef struct { + efi_guid_t signature_owner; + u8 signature_data[]; +} efi_signature_data_t; + +typedef struct { + efi_guid_t signature_type; + u32 signature_list_size; + u32 signature_header_size; + u32 signature_size; + u8 signature_header[]; + /* efi_signature_data_t signatures[][] */ +} efi_signature_list_t; + +typedef u8 efi_sha256_hash_t[32]; + +typedef struct { + efi_sha256_hash_t to_be_signed_hash; + efi_time_t time_of_revocation; +} efi_cert_x509_sha256_t; + /* * All runtime access to EFI goes through this structure: */ @@ -1000,13 +1025,11 @@ extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg); 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_free_boot_services(void); extern efi_status_t efi_query_variable_store(u32 attributes, unsigned long size, bool nonblocking); extern void efi_find_mirror(void); #else -static inline void efi_free_boot_services(void) {} static inline efi_status_t efi_query_variable_store(u32 attributes, unsigned long size, @@ -1046,7 +1069,6 @@ extern void efi_mem_reserve(phys_addr_t addr, u64 size); extern int efi_mem_reserve_persistent(phys_addr_t addr, u64 size); extern void efi_initialize_iomem_resources(struct resource *code_resource, struct resource *data_resource, struct resource *bss_resource); -extern void efi_reserve_boot_services(void); extern int efi_get_fdt_params(struct efi_fdt_params *params); extern struct kobject *efi_kobj; @@ -1116,6 +1138,15 @@ extern int efi_memattr_apply_permissions(struct mm_struct *mm, char * __init efi_md_typeattr_format(char *buf, size_t size, const efi_memory_desc_t *md); + +typedef void (*efi_element_handler_t)(const char *source, + const void *element_data, + size_t element_size); +extern int __init parse_efi_signature_list( + const char *source, + const void *data, size_t size, + efi_element_handler_t (*get_handler_for_guid)(const efi_guid_t *)); + /** * efi_range_is_wc - check the WC bit on an address range * @start: starting kvirt address @@ -1715,9 +1746,19 @@ extern struct efi_runtime_work efi_rts_work; extern struct workqueue_struct *efi_rts_wq; struct linux_efi_memreserve { - phys_addr_t next; - phys_addr_t base; - phys_addr_t size; + int size; // allocated size of the array + atomic_t count; // number of entries used + phys_addr_t next; // pa of next struct instance + struct { + phys_addr_t base; + phys_addr_t size; + } entry[0]; }; +#define EFI_MEMRESERVE_SIZE(count) (sizeof(struct linux_efi_memreserve) + \ + (count) * sizeof(((struct linux_efi_memreserve *)0)->entry[0])) + +#define EFI_MEMRESERVE_COUNT(size) (((size) - sizeof(struct linux_efi_memreserve)) \ + / sizeof(((struct linux_efi_memreserve *)0)->entry[0])) + #endif /* _LINUX_EFI_H */ |