1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* Relevant definitions from linux/efi.h. */ 3 4 #ifndef __LINUX_UEFI_H 5 #define __LINUX_UEFI_H 6 7 #include "libcflat.h" 8 9 #ifndef __packed 10 # define __packed __attribute__((__packed__)) 11 #endif 12 13 #define BITS_PER_LONG 64 14 15 #define EFI_ERROR(a) (((int64_t) a) < 0) 16 #define EFI_SUCCESS 0 17 #define EFI_LOAD_ERROR ( 1 | (1UL << (BITS_PER_LONG-1))) 18 #define EFI_INVALID_PARAMETER ( 2 | (1UL << (BITS_PER_LONG-1))) 19 #define EFI_UNSUPPORTED ( 3 | (1UL << (BITS_PER_LONG-1))) 20 #define EFI_BAD_BUFFER_SIZE ( 4 | (1UL << (BITS_PER_LONG-1))) 21 #define EFI_BUFFER_TOO_SMALL ( 5 | (1UL << (BITS_PER_LONG-1))) 22 #define EFI_NOT_READY ( 6 | (1UL << (BITS_PER_LONG-1))) 23 #define EFI_DEVICE_ERROR ( 7 | (1UL << (BITS_PER_LONG-1))) 24 #define EFI_WRITE_PROTECTED ( 8 | (1UL << (BITS_PER_LONG-1))) 25 #define EFI_OUT_OF_RESOURCES ( 9 | (1UL << (BITS_PER_LONG-1))) 26 #define EFI_NOT_FOUND (14 | (1UL << (BITS_PER_LONG-1))) 27 #define EFI_TIMEOUT (18 | (1UL << (BITS_PER_LONG-1))) 28 #define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1))) 29 #define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1))) 30 31 typedef unsigned long efi_status_t; 32 typedef u8 efi_bool_t; 33 typedef u16 efi_char16_t; /* UNICODE character */ 34 typedef u64 efi_physical_addr_t; 35 typedef void *efi_handle_t; 36 37 #ifdef __x86_64__ 38 #define __efiapi __attribute__((ms_abi)) 39 #else 40 #define __efiapi 41 #endif 42 43 /* 44 * The UEFI spec and EDK2 reference implementation both define EFI_GUID as 45 * struct { u32 a; u16; b; u16 c; u8 d[8]; }; and so the implied alignment 46 * is 32 bits not 8 bits like our guid_t. In some cases (i.e., on 32-bit ARM), 47 * this means that firmware services invoked by the kernel may assume that 48 * efi_guid_t* arguments are 32-bit aligned, and use memory accessors that 49 * do not tolerate misalignment. So let's set the minimum alignment to 32 bits. 50 * 51 * Note that the UEFI spec as well as some comments in the EDK2 code base 52 * suggest that EFI_GUID should be 64-bit aligned, but this appears to be 53 * a mistake, given that no code seems to exist that actually enforces that 54 * or relies on it. 55 */ 56 typedef struct { 57 u8 b[16]; 58 } guid_t __attribute__((aligned(__alignof__(u32)))); 59 typedef guid_t efi_guid_t; 60 61 #define EFI_GUID(a, b, c, d...) (efi_guid_t){ { \ 62 (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, ((a) >> 24) & 0xff, \ 63 (b) & 0xff, ((b) >> 8) & 0xff, \ 64 (c) & 0xff, ((c) >> 8) & 0xff, d } } 65 66 #define ACPI_TABLE_GUID EFI_GUID(0xeb9d2d30, 0x2d88, 0x11d3, 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 67 68 #define LOADED_IMAGE_PROTOCOL_GUID EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 69 70 typedef struct { 71 efi_guid_t guid; 72 void *table; 73 } efi_config_table_t; 74 75 /* 76 * Generic EFI table header 77 */ 78 typedef struct { 79 u64 signature; 80 u32 revision; 81 u32 headersize; 82 u32 crc32; 83 u32 reserved; 84 } efi_table_hdr_t; 85 86 /* 87 * Memory map descriptor: 88 */ 89 90 /* Memory types: */ 91 #define EFI_RESERVED_TYPE 0 92 #define EFI_LOADER_CODE 1 93 #define EFI_LOADER_DATA 2 94 #define EFI_BOOT_SERVICES_CODE 3 95 #define EFI_BOOT_SERVICES_DATA 4 96 #define EFI_RUNTIME_SERVICES_CODE 5 97 #define EFI_RUNTIME_SERVICES_DATA 6 98 #define EFI_CONVENTIONAL_MEMORY 7 99 #define EFI_UNUSABLE_MEMORY 8 100 #define EFI_ACPI_RECLAIM_MEMORY 9 101 #define EFI_ACPI_MEMORY_NVS 10 102 #define EFI_MEMORY_MAPPED_IO 11 103 #define EFI_MEMORY_MAPPED_IO_PORT_SPACE 12 104 #define EFI_PAL_CODE 13 105 #define EFI_PERSISTENT_MEMORY 14 106 #define EFI_MAX_MEMORY_TYPE 15 107 108 /* Attribute values: */ 109 #define EFI_MEMORY_UC ((u64)0x0000000000000001ULL) /* uncached */ 110 #define EFI_MEMORY_WC ((u64)0x0000000000000002ULL) /* write-coalescing */ 111 #define EFI_MEMORY_WT ((u64)0x0000000000000004ULL) /* write-through */ 112 #define EFI_MEMORY_WB ((u64)0x0000000000000008ULL) /* write-back */ 113 #define EFI_MEMORY_UCE ((u64)0x0000000000000010ULL) /* uncached, exported */ 114 #define EFI_MEMORY_WP ((u64)0x0000000000001000ULL) /* write-protect */ 115 #define EFI_MEMORY_RP ((u64)0x0000000000002000ULL) /* read-protect */ 116 #define EFI_MEMORY_XP ((u64)0x0000000000004000ULL) /* execute-protect */ 117 #define EFI_MEMORY_NV ((u64)0x0000000000008000ULL) /* non-volatile */ 118 #define EFI_MEMORY_MORE_RELIABLE \ 119 ((u64)0x0000000000010000ULL) /* higher reliability */ 120 #define EFI_MEMORY_RO ((u64)0x0000000000020000ULL) /* read-only */ 121 #define EFI_MEMORY_SP ((u64)0x0000000000040000ULL) /* soft reserved */ 122 #define EFI_MEMORY_CPU_CRYPTO ((u64)0x0000000000080000ULL) /* supports encryption */ 123 #define EFI_MEMORY_RUNTIME ((u64)0x8000000000000000ULL) /* range requires runtime mapping */ 124 #define EFI_MEMORY_DESCRIPTOR_VERSION 1 125 126 #define EFI_PAGE_SHIFT 12 127 #define EFI_PAGE_SIZE (1UL << EFI_PAGE_SHIFT) 128 #define EFI_PAGES_MAX (U64_MAX >> EFI_PAGE_SHIFT) 129 130 typedef struct { 131 u32 type; 132 u32 pad; 133 u64 phys_addr; 134 u64 virt_addr; 135 u64 num_pages; 136 u64 attribute; 137 } efi_memory_desc_t; 138 139 typedef struct { 140 efi_guid_t guid; 141 u32 headersize; 142 u32 flags; 143 u32 imagesize; 144 } efi_capsule_header_t; 145 146 /* 147 * EFI capsule flags 148 */ 149 #define EFI_CAPSULE_PERSIST_ACROSS_RESET 0x00010000 150 #define EFI_CAPSULE_POPULATE_SYSTEM_TABLE 0x00020000 151 #define EFI_CAPSULE_INITIATE_RESET 0x00040000 152 153 struct capsule_info { 154 efi_capsule_header_t header; 155 efi_capsule_header_t *capsule; 156 int reset_type; 157 long index; 158 size_t count; 159 size_t total_size; 160 struct page **pages; 161 phys_addr_t *phys; 162 size_t page_bytes_remain; 163 }; 164 165 int __efi_capsule_setup_info(struct capsule_info *cap_info); 166 167 /* 168 * Types and defines for Time Services 169 */ 170 #define EFI_TIME_ADJUST_DAYLIGHT 0x1 171 #define EFI_TIME_IN_DAYLIGHT 0x2 172 #define EFI_UNSPECIFIED_TIMEZONE 0x07ff 173 174 typedef struct { 175 u16 year; 176 u8 month; 177 u8 day; 178 u8 hour; 179 u8 minute; 180 u8 second; 181 u8 pad1; 182 u32 nanosecond; 183 s16 timezone; 184 u8 daylight; 185 u8 pad2; 186 } efi_time_t; 187 188 typedef struct { 189 u32 resolution; 190 u32 accuracy; 191 u8 sets_to_zero; 192 } efi_time_cap_t; 193 194 typedef void *efi_event_t; 195 /* Note that notifications won't work in mixed mode */ 196 typedef void (__efiapi *efi_event_notify_t)(efi_event_t, void *); 197 198 typedef enum { 199 EfiTimerCancel, 200 EfiTimerPeriodic, 201 EfiTimerRelative 202 } EFI_TIMER_DELAY; 203 204 /* 205 * EFI Device Path information 206 */ 207 #define EFI_DEV_HW 0x01 208 #define EFI_DEV_PCI 1 209 #define EFI_DEV_PCCARD 2 210 #define EFI_DEV_MEM_MAPPED 3 211 #define EFI_DEV_VENDOR 4 212 #define EFI_DEV_CONTROLLER 5 213 #define EFI_DEV_ACPI 0x02 214 #define EFI_DEV_BASIC_ACPI 1 215 #define EFI_DEV_EXPANDED_ACPI 2 216 #define EFI_DEV_MSG 0x03 217 #define EFI_DEV_MSG_ATAPI 1 218 #define EFI_DEV_MSG_SCSI 2 219 #define EFI_DEV_MSG_FC 3 220 #define EFI_DEV_MSG_1394 4 221 #define EFI_DEV_MSG_USB 5 222 #define EFI_DEV_MSG_USB_CLASS 15 223 #define EFI_DEV_MSG_I20 6 224 #define EFI_DEV_MSG_MAC 11 225 #define EFI_DEV_MSG_IPV4 12 226 #define EFI_DEV_MSG_IPV6 13 227 #define EFI_DEV_MSG_INFINIBAND 9 228 #define EFI_DEV_MSG_UART 14 229 #define EFI_DEV_MSG_VENDOR 10 230 #define EFI_DEV_MEDIA 0x04 231 #define EFI_DEV_MEDIA_HARD_DRIVE 1 232 #define EFI_DEV_MEDIA_CDROM 2 233 #define EFI_DEV_MEDIA_VENDOR 3 234 #define EFI_DEV_MEDIA_FILE 4 235 #define EFI_DEV_MEDIA_PROTOCOL 5 236 #define EFI_DEV_BIOS_BOOT 0x05 237 #define EFI_DEV_END_PATH 0x7F 238 #define EFI_DEV_END_PATH2 0xFF 239 #define EFI_DEV_END_INSTANCE 0x01 240 #define EFI_DEV_END_ENTIRE 0xFF 241 242 struct efi_generic_dev_path { 243 u8 type; 244 u8 sub_type; 245 u16 length; 246 } __packed; 247 248 typedef struct efi_generic_dev_path efi_device_path_protocol_t; 249 250 /* 251 * EFI Boot Services table 252 */ 253 typedef struct { 254 efi_table_hdr_t hdr; 255 void *raise_tpl; 256 void *restore_tpl; 257 efi_status_t(__efiapi *allocate_pages)(int, int, unsigned long, 258 efi_physical_addr_t *); 259 efi_status_t(__efiapi *free_pages)(efi_physical_addr_t, 260 unsigned long); 261 efi_status_t(__efiapi *get_memory_map)(unsigned long *, void *, 262 unsigned long *, 263 unsigned long *, u32 *); 264 efi_status_t(__efiapi *allocate_pool)(int, unsigned long, 265 void **); 266 efi_status_t(__efiapi *free_pool)(void *); 267 efi_status_t(__efiapi *create_event)(u32, unsigned long, 268 efi_event_notify_t, void *, 269 efi_event_t *); 270 efi_status_t(__efiapi *set_timer)(efi_event_t, 271 EFI_TIMER_DELAY, u64); 272 efi_status_t(__efiapi *wait_for_event)(unsigned long, 273 efi_event_t *, 274 unsigned long *); 275 void *signal_event; 276 efi_status_t(__efiapi *close_event)(efi_event_t); 277 void *check_event; 278 void *install_protocol_interface; 279 void *reinstall_protocol_interface; 280 void *uninstall_protocol_interface; 281 efi_status_t(__efiapi *handle_protocol)(efi_handle_t, 282 efi_guid_t *, void **); 283 void *__reserved; 284 void *register_protocol_notify; 285 efi_status_t(__efiapi *locate_handle)(int, efi_guid_t *, 286 void *, unsigned long *, 287 efi_handle_t *); 288 efi_status_t(__efiapi *locate_device_path)(efi_guid_t *, 289 efi_device_path_protocol_t **, 290 efi_handle_t *); 291 efi_status_t(__efiapi *install_configuration_table)(efi_guid_t *, 292 void *); 293 void *load_image; 294 void *start_image; 295 efi_status_t(__efiapi *exit)(efi_handle_t, 296 efi_status_t, 297 unsigned long, 298 efi_char16_t *); 299 void *unload_image; 300 efi_status_t(__efiapi *exit_boot_services)(efi_handle_t, 301 unsigned long); 302 void *get_next_monotonic_count; 303 efi_status_t(__efiapi *stall)(unsigned long); 304 void *set_watchdog_timer; 305 void *connect_controller; 306 efi_status_t(__efiapi *disconnect_controller)(efi_handle_t, 307 efi_handle_t, 308 efi_handle_t); 309 void *open_protocol; 310 void *close_protocol; 311 void *open_protocol_information; 312 void *protocols_per_handle; 313 void *locate_handle_buffer; 314 efi_status_t(__efiapi *locate_protocol)(efi_guid_t *, void *, 315 void **); 316 void *install_multiple_protocol_interfaces; 317 void *uninstall_multiple_protocol_interfaces; 318 void *calculate_crc32; 319 void *copy_mem; 320 void *set_mem; 321 void *create_event_ex; 322 } efi_boot_services_t; 323 324 /* 325 * Types and defines for EFI ResetSystem 326 */ 327 #define EFI_RESET_COLD 0 328 #define EFI_RESET_WARM 1 329 #define EFI_RESET_SHUTDOWN 2 330 331 /* 332 * EFI Runtime Services table 333 */ 334 #define EFI_RUNTIME_SERVICES_SIGNATURE ((u64)0x5652453544e5552ULL) 335 #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 336 337 typedef efi_status_t efi_get_time_t (efi_time_t *tm, efi_time_cap_t *tc); 338 typedef efi_status_t efi_set_time_t (efi_time_t *tm); 339 typedef efi_status_t efi_get_wakeup_time_t (efi_bool_t *enabled, efi_bool_t *pending, 340 efi_time_t *tm); 341 typedef efi_status_t efi_set_wakeup_time_t (efi_bool_t enabled, efi_time_t *tm); 342 typedef efi_status_t efi_get_variable_t (efi_char16_t *name, efi_guid_t *vendor, u32 *attr, 343 unsigned long *data_size, void *data); 344 typedef efi_status_t efi_get_next_variable_t (unsigned long *name_size, efi_char16_t *name, 345 efi_guid_t *vendor); 346 typedef efi_status_t efi_set_variable_t (efi_char16_t *name, efi_guid_t *vendor, 347 u32 attr, unsigned long data_size, 348 void *data); 349 typedef efi_status_t efi_get_next_high_mono_count_t (u32 *count); 350 typedef void efi_reset_system_t (int reset_type, efi_status_t status, 351 unsigned long data_size, efi_char16_t *data); 352 typedef efi_status_t efi_set_virtual_address_map_t (unsigned long memory_map_size, 353 unsigned long descriptor_size, 354 u32 descriptor_version, 355 efi_memory_desc_t *virtual_map); 356 typedef efi_status_t efi_query_variable_info_t(u32 attr, 357 u64 *storage_space, 358 u64 *remaining_space, 359 u64 *max_variable_size); 360 typedef efi_status_t efi_update_capsule_t(efi_capsule_header_t **capsules, 361 unsigned long count, 362 unsigned long sg_list); 363 typedef efi_status_t efi_query_capsule_caps_t(efi_capsule_header_t **capsules, 364 unsigned long count, 365 u64 *max_size, 366 int *reset_type); 367 typedef efi_status_t efi_query_variable_store_t(u32 attributes, 368 unsigned long size, 369 bool nonblocking); 370 371 typedef struct { 372 efi_table_hdr_t hdr; 373 efi_get_time_t __efiapi *get_time; 374 efi_set_time_t __efiapi *set_time; 375 efi_get_wakeup_time_t __efiapi *get_wakeup_time; 376 efi_set_wakeup_time_t __efiapi *set_wakeup_time; 377 efi_set_virtual_address_map_t __efiapi *set_virtual_address_map; 378 void *convert_pointer; 379 efi_get_variable_t __efiapi *get_variable; 380 efi_get_next_variable_t __efiapi *get_next_variable; 381 efi_set_variable_t __efiapi *set_variable; 382 efi_get_next_high_mono_count_t __efiapi *get_next_high_mono_count; 383 efi_reset_system_t __efiapi *reset_system; 384 efi_update_capsule_t __efiapi *update_capsule; 385 efi_query_capsule_caps_t __efiapi *query_capsule_caps; 386 efi_query_variable_info_t __efiapi *query_variable_info; 387 } efi_runtime_services_t; 388 389 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) 390 391 #define EFI_2_30_SYSTEM_TABLE_REVISION ((2 << 16) | (30)) 392 #define EFI_2_20_SYSTEM_TABLE_REVISION ((2 << 16) | (20)) 393 #define EFI_2_10_SYSTEM_TABLE_REVISION ((2 << 16) | (10)) 394 #define EFI_2_00_SYSTEM_TABLE_REVISION ((2 << 16) | (00)) 395 #define EFI_1_10_SYSTEM_TABLE_REVISION ((1 << 16) | (10)) 396 #define EFI_1_02_SYSTEM_TABLE_REVISION ((1 << 16) | (02)) 397 398 typedef union efi_simple_text_input_protocol efi_simple_text_input_protocol_t; 399 typedef union efi_simple_text_output_protocol efi_simple_text_output_protocol_t; 400 401 typedef struct { 402 efi_table_hdr_t hdr; 403 unsigned long fw_vendor; /* physical addr of CHAR16 vendor string */ 404 u32 fw_revision; 405 unsigned long con_in_handle; 406 efi_simple_text_input_protocol_t *con_in; 407 unsigned long con_out_handle; 408 efi_simple_text_output_protocol_t *con_out; 409 unsigned long stderr_handle; 410 unsigned long stderr; 411 efi_runtime_services_t *runtime; 412 efi_boot_services_t *boottime; 413 unsigned long nr_tables; 414 unsigned long tables; 415 } efi_system_table_t; 416 417 struct efi_boot_memmap { 418 efi_memory_desc_t **map; 419 unsigned long *map_size; 420 unsigned long *desc_size; 421 u32 *desc_ver; 422 unsigned long *key_ptr; 423 unsigned long *buff_size; 424 }; 425 426 #define __aligned_u64 u64 __attribute__((aligned(8))) 427 428 struct efi_loaded_image_64 { 429 u32 revision; 430 efi_handle_t parent_handle; 431 efi_system_table_t *system_table; 432 efi_handle_t device_handle; 433 void *file_path; 434 void *reserved; 435 u32 load_options_size; 436 void *load_options; 437 void *image_base; 438 __aligned_u64 image_size; 439 unsigned int image_code_type; 440 unsigned int image_data_type; 441 efi_status_t (__efiapi * unload)(efi_handle_t image_handle); 442 }; 443 444 445 typedef struct _efi_simple_file_system_protocol efi_simple_file_system_protocol_t; 446 typedef struct _efi_file_protocol efi_file_protocol_t; 447 typedef efi_simple_file_system_protocol_t efi_file_io_interface_t; 448 typedef efi_file_protocol_t efi_file_t; 449 450 typedef efi_status_t efi_simple_file_system_protocol_open_volume( 451 efi_simple_file_system_protocol_t *this, 452 efi_file_protocol_t **root); 453 454 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID EFI_GUID(0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 455 456 struct _efi_simple_file_system_protocol { 457 uint64_t revision; 458 efi_simple_file_system_protocol_open_volume __efiapi *open_volume; 459 }; 460 461 /* Open modes */ 462 #define EFI_FILE_MODE_READ 0x0000000000000001ULL 463 #define EFI_FILE_MODE_WRITE 0x0000000000000002ULL 464 #define EFI_FILE_MODE_CREATE 0x8000000000000000ULL 465 466 typedef efi_status_t efi_file_open(efi_file_protocol_t *this, 467 efi_file_protocol_t **new_handle, 468 efi_char16_t *file_name, 469 uint64_t open_mode, 470 uint64_t attributes); 471 typedef efi_status_t efi_file_close(efi_file_protocol_t *this); 472 typedef efi_status_t efi_file_delete(efi_file_protocol_t *this); 473 typedef efi_status_t efi_file_read(efi_file_protocol_t *this, 474 uint64_t *buffer_size, 475 void *buffer); 476 typedef efi_status_t efi_file_write(efi_file_protocol_t *this, 477 uint64_t *buffer_size, 478 void *buffer); 479 typedef efi_status_t efi_file_set_position(efi_file_protocol_t *this, 480 uint64_t position); 481 typedef efi_status_t efi_file_get_position(efi_file_protocol_t *this, 482 uint64_t *position); 483 typedef efi_status_t efi_file_get_info(efi_file_protocol_t *this, 484 efi_guid_t *information_type, 485 uint64_t *buffer_size, 486 void *buffer); 487 typedef efi_status_t efi_file_set_info(efi_file_protocol_t *this, 488 efi_guid_t *information_type, 489 uint64_t *buffer_size, 490 void *buffer); 491 typedef efi_status_t efi_file_flush(efi_file_protocol_t *this); 492 493 typedef struct { 494 efi_event_t event; 495 efi_status_t status; 496 uint64_t buffer_size; 497 void *buffer; 498 } efi_file_io_open_t; 499 500 typedef efi_status_t efi_file_open_ex(efi_file_protocol_t *this, 501 efi_file_protocol_t **new_handle, 502 efi_char16_t *file_name, 503 uint64_t open_mode, 504 uint64_t attributes, 505 efi_file_io_open_t *token); 506 typedef efi_status_t efi_file_read_ex(efi_file_protocol_t *this, 507 efi_file_io_open_t *token); 508 typedef efi_status_t efi_file_write_ex(efi_file_protocol_t *this, 509 efi_file_io_open_t *token); 510 typedef efi_status_t efi_file_flush_ex(efi_file_protocol_t *this, 511 efi_file_io_open_t *token); 512 513 struct _efi_file_protocol { 514 uint64_t revision; 515 efi_file_open __efiapi *open; 516 efi_file_close __efiapi *close; 517 efi_file_delete __efiapi *delete; 518 efi_file_read __efiapi *read; 519 efi_file_write __efiapi *write; 520 efi_file_get_position __efiapi *get_position; 521 efi_file_set_position __efiapi *set_position; 522 efi_file_get_info __efiapi *get_info; 523 efi_file_set_info __efiapi *set_info; 524 efi_file_flush __efiapi *flush; 525 efi_file_open_ex __efiapi *open_ex; 526 efi_file_read_ex __efiapi *read_ex; 527 efi_file_write_ex __efiapi *write_ex; 528 efi_file_flush_ex __efiapi *flush_ex; 529 }; 530 531 #define EFI_FILE_INFO_ID EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) 532 533 typedef struct { 534 uint64_t size; 535 uint64_t file_size; 536 uint64_t physical_size; 537 efi_time_t create_time; 538 efi_time_t last_access_time; 539 efi_time_t modification_time; 540 uint64_t attributes; 541 efi_char16_t file_name[1]; 542 } efi_file_info_t; 543 544 #define efi_bs_call(func, ...) efi_system_table->boottime->func(__VA_ARGS__) 545 #define efi_rs_call(func, ...) efi_system_table->runtime->func(__VA_ARGS__) 546 547 #endif /* __LINUX_UEFI_H */ 548