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