1 /* 2 * Extensible Firmware Interface 3 * Based on 'Extensible Firmware Interface Specification' version 0.9, 4 * April 30, 1999 5 * 6 * Copyright (C) 1999 VA Linux Systems 7 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> 8 * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. 9 * David Mosberger-Tang <davidm@hpl.hp.com> 10 * Stephane Eranian <eranian@hpl.hp.com> 11 * 12 * From include/linux/efi.h in kernel 4.1 with some additions/subtractions 13 */ 14 15 #ifndef _EFI_API_H 16 #define _EFI_API_H 17 18 #include <efi.h> 19 20 #ifdef CONFIG_EFI_LOADER 21 #include <asm/setjmp.h> 22 #endif 23 24 /* Types and defines for EFI CreateEvent */ 25 enum efi_timer_delay { 26 EFI_TIMER_STOP = 0, 27 EFI_TIMER_PERIODIC = 1, 28 EFI_TIMER_RELATIVE = 2 29 }; 30 31 #define efi_uintn_t size_t 32 typedef uint16_t *efi_string_t; 33 34 #define EVT_TIMER 0x80000000 35 #define EVT_RUNTIME 0x40000000 36 #define EVT_NOTIFY_WAIT 0x00000100 37 #define EVT_NOTIFY_SIGNAL 0x00000200 38 #define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201 39 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202 40 41 #define TPL_APPLICATION 0x04 42 #define TPL_CALLBACK 0x08 43 #define TPL_NOTIFY 0x10 44 #define TPL_HIGH_LEVEL 0x1F 45 46 struct efi_event; 47 48 /* EFI Boot Services table */ 49 struct efi_boot_services { 50 struct efi_table_hdr hdr; 51 efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl); 52 void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl); 53 54 efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t, 55 efi_physical_addr_t *); 56 efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t); 57 efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size, 58 struct efi_mem_desc *desc, 59 efi_uintn_t *key, 60 efi_uintn_t *desc_size, 61 u32 *desc_version); 62 efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **); 63 efi_status_t (EFIAPI *free_pool)(void *); 64 65 efi_status_t (EFIAPI *create_event)(uint32_t type, 66 efi_uintn_t notify_tpl, 67 void (EFIAPI *notify_function) ( 68 struct efi_event *event, 69 void *context), 70 void *notify_context, struct efi_event **event); 71 efi_status_t (EFIAPI *set_timer)(struct efi_event *event, 72 enum efi_timer_delay type, 73 uint64_t trigger_time); 74 efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events, 75 struct efi_event **event, 76 efi_uintn_t *index); 77 efi_status_t (EFIAPI *signal_event)(struct efi_event *event); 78 efi_status_t (EFIAPI *close_event)(struct efi_event *event); 79 efi_status_t (EFIAPI *check_event)(struct efi_event *event); 80 #define EFI_NATIVE_INTERFACE 0x00000000 81 efi_status_t (EFIAPI *install_protocol_interface)( 82 void **handle, const efi_guid_t *protocol, 83 int protocol_interface_type, void *protocol_interface); 84 efi_status_t (EFIAPI *reinstall_protocol_interface)( 85 void *handle, const efi_guid_t *protocol, 86 void *old_interface, void *new_interface); 87 efi_status_t (EFIAPI *uninstall_protocol_interface)( 88 efi_handle_t handle, const efi_guid_t *protocol, 89 void *protocol_interface); 90 efi_status_t (EFIAPI *handle_protocol)( 91 efi_handle_t handle, const efi_guid_t *protocol, 92 void **protocol_interface); 93 void *reserved; 94 efi_status_t (EFIAPI *register_protocol_notify)( 95 const efi_guid_t *protocol, struct efi_event *event, 96 void **registration); 97 efi_status_t (EFIAPI *locate_handle)( 98 enum efi_locate_search_type search_type, 99 const efi_guid_t *protocol, void *search_key, 100 efi_uintn_t *buffer_size, efi_handle_t *buffer); 101 efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol, 102 struct efi_device_path **device_path, 103 efi_handle_t *device); 104 efi_status_t (EFIAPI *install_configuration_table)( 105 efi_guid_t *guid, void *table); 106 107 efi_status_t (EFIAPI *load_image)(bool boot_policiy, 108 efi_handle_t parent_image, 109 struct efi_device_path *file_path, void *source_buffer, 110 efi_uintn_t source_size, efi_handle_t *image); 111 efi_status_t (EFIAPI *start_image)(efi_handle_t handle, 112 unsigned long *exitdata_size, 113 s16 **exitdata); 114 efi_status_t (EFIAPI *exit)(efi_handle_t handle, 115 efi_status_t exit_status, 116 unsigned long exitdata_size, s16 *exitdata); 117 efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle); 118 efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long); 119 120 efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count); 121 efi_status_t (EFIAPI *stall)(unsigned long usecs); 122 efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout, 123 uint64_t watchdog_code, unsigned long data_size, 124 uint16_t *watchdog_data); 125 efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle, 126 efi_handle_t *driver_image_handle, 127 struct efi_device_path *remaining_device_path, 128 bool recursive); 129 efi_status_t (EFIAPI *disconnect_controller)( 130 efi_handle_t controller_handle, 131 efi_handle_t driver_image_handle, 132 efi_handle_t child_handle); 133 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001 134 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002 135 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004 136 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008 137 #define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010 138 #define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020 139 efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle, 140 const efi_guid_t *protocol, void **interface, 141 efi_handle_t agent_handle, 142 efi_handle_t controller_handle, u32 attributes); 143 efi_status_t (EFIAPI *close_protocol)( 144 efi_handle_t handle, const efi_guid_t *protocol, 145 efi_handle_t agent_handle, 146 efi_handle_t controller_handle); 147 efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle, 148 const efi_guid_t *protocol, 149 struct efi_open_protocol_info_entry **entry_buffer, 150 efi_uintn_t *entry_count); 151 efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle, 152 efi_guid_t ***protocol_buffer, 153 efi_uintn_t *protocols_buffer_count); 154 efi_status_t (EFIAPI *locate_handle_buffer) ( 155 enum efi_locate_search_type search_type, 156 const efi_guid_t *protocol, void *search_key, 157 efi_uintn_t *no_handles, efi_handle_t **buffer); 158 efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol, 159 void *registration, void **protocol_interface); 160 efi_status_t (EFIAPI *install_multiple_protocol_interfaces)( 161 void **handle, ...); 162 efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)( 163 void *handle, ...); 164 efi_status_t (EFIAPI *calculate_crc32)(void *data, 165 unsigned long data_size, uint32_t *crc32); 166 void (EFIAPI *copy_mem)(void *destination, const void *source, 167 size_t length); 168 void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value); 169 efi_status_t (EFIAPI *create_event_ex)( 170 uint32_t type, efi_uintn_t notify_tpl, 171 void (EFIAPI *notify_function) ( 172 struct efi_event *event, 173 void *context), 174 void *notify_context, 175 efi_guid_t *event_group, 176 struct efi_event **event); 177 }; 178 179 /* Types and defines for EFI ResetSystem */ 180 enum efi_reset_type { 181 EFI_RESET_COLD = 0, 182 EFI_RESET_WARM = 1, 183 EFI_RESET_SHUTDOWN = 2, 184 EFI_RESET_PLATFORM_SPECIFIC = 3, 185 }; 186 187 /* EFI Runtime Services table */ 188 #define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL 189 #define EFI_RUNTIME_SERVICES_REVISION 0x00010000 190 191 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000 192 #define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000 193 #define CAPSULE_FLAGS_INITIATE_RESET 0x00040000 194 195 struct efi_capsule_header { 196 efi_guid_t *capsule_guid; 197 u32 header_size; 198 u32 flags; 199 u32 capsule_image_size; 200 }; 201 202 struct efi_runtime_services { 203 struct efi_table_hdr hdr; 204 efi_status_t (EFIAPI *get_time)(struct efi_time *time, 205 struct efi_time_cap *capabilities); 206 efi_status_t (EFIAPI *set_time)(struct efi_time *time); 207 efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending, 208 struct efi_time *time); 209 efi_status_t (EFIAPI *set_wakeup_time)(char enabled, 210 struct efi_time *time); 211 efi_status_t (EFIAPI *set_virtual_address_map)( 212 unsigned long memory_map_size, 213 unsigned long descriptor_size, 214 uint32_t descriptor_version, 215 struct efi_mem_desc *virtmap); 216 efi_status_t (*convert_pointer)(unsigned long dbg, void **address); 217 efi_status_t (EFIAPI *get_variable)(u16 *variable_name, 218 efi_guid_t *vendor, u32 *attributes, 219 efi_uintn_t *data_size, void *data); 220 efi_status_t (EFIAPI *get_next_variable_name)( 221 efi_uintn_t *variable_name_size, 222 u16 *variable_name, efi_guid_t *vendor); 223 efi_status_t (EFIAPI *set_variable)(u16 *variable_name, 224 efi_guid_t *vendor, u32 attributes, 225 efi_uintn_t data_size, void *data); 226 efi_status_t (EFIAPI *get_next_high_mono_count)( 227 uint32_t *high_count); 228 void (EFIAPI *reset_system)(enum efi_reset_type reset_type, 229 efi_status_t reset_status, 230 unsigned long data_size, void *reset_data); 231 efi_status_t (EFIAPI *update_capsule)( 232 struct efi_capsule_header **capsule_header_array, 233 efi_uintn_t capsule_count, 234 u64 scatter_gather_list); 235 efi_status_t (EFIAPI *query_capsule_caps)( 236 struct efi_capsule_header **capsule_header_array, 237 efi_uintn_t capsule_count, 238 u64 maximum_capsule_size, 239 u32 reset_type); 240 efi_status_t (EFIAPI *query_variable_info)( 241 u32 attributes, 242 u64 *maximum_variable_storage_size, 243 u64 *remaining_variable_storage_size, 244 u64 *maximum_variable_size); 245 }; 246 247 /* EFI event group GUID definitions */ 248 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \ 249 EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \ 250 0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf) 251 252 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \ 253 EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \ 254 0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96) 255 256 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \ 257 EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \ 258 0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab) 259 260 #define EFI_EVENT_GROUP_READY_TO_BOOT \ 261 EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \ 262 0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b) 263 264 #define EFI_EVENT_GROUP_RESET_SYSTEM \ 265 EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \ 266 0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b) 267 268 /* EFI Configuration Table and GUID definitions */ 269 #define NULL_GUID \ 270 EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ 271 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) 272 273 #define EFI_GLOBAL_VARIABLE_GUID \ 274 EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \ 275 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) 276 277 #define LOADED_IMAGE_PROTOCOL_GUID \ 278 EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \ 279 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 280 281 #define EFI_FDT_GUID \ 282 EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \ 283 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) 284 285 #define EFI_ACPI_TABLE_GUID \ 286 EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \ 287 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) 288 289 #define SMBIOS_TABLE_GUID \ 290 EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, \ 291 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 292 293 struct efi_configuration_table 294 { 295 efi_guid_t guid; 296 void *table; 297 }; 298 299 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) 300 301 struct efi_system_table { 302 struct efi_table_hdr hdr; 303 unsigned long fw_vendor; /* physical addr of wchar_t vendor string */ 304 u32 fw_revision; 305 efi_handle_t con_in_handle; 306 struct efi_simple_input_interface *con_in; 307 efi_handle_t con_out_handle; 308 struct efi_simple_text_output_protocol *con_out; 309 efi_handle_t stderr_handle; 310 struct efi_simple_text_output_protocol *std_err; 311 struct efi_runtime_services *runtime; 312 struct efi_boot_services *boottime; 313 efi_uintn_t nr_tables; 314 struct efi_configuration_table *tables; 315 }; 316 317 #define LOADED_IMAGE_GUID \ 318 EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \ 319 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 320 321 struct efi_loaded_image { 322 u32 revision; 323 void *parent_handle; 324 struct efi_system_table *system_table; 325 efi_handle_t device_handle; 326 struct efi_device_path *file_path; 327 void *reserved; 328 u32 load_options_size; 329 void *load_options; 330 void *image_base; 331 aligned_u64 image_size; 332 unsigned int image_code_type; 333 unsigned int image_data_type; 334 unsigned long unload; 335 336 /* Below are efi loader private fields */ 337 #ifdef CONFIG_EFI_LOADER 338 void *reloc_base; 339 aligned_u64 reloc_size; 340 efi_status_t exit_status; 341 struct jmp_buf_data exit_jmp; 342 #endif 343 }; 344 345 #define DEVICE_PATH_GUID \ 346 EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \ 347 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b ) 348 349 #define DEVICE_PATH_TYPE_END 0x7f 350 # define DEVICE_PATH_SUB_TYPE_INSTANCE_END 0x01 351 # define DEVICE_PATH_SUB_TYPE_END 0xff 352 353 struct efi_device_path { 354 u8 type; 355 u8 sub_type; 356 u16 length; 357 } __packed; 358 359 struct efi_mac_addr { 360 u8 addr[32]; 361 } __packed; 362 363 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE 0x01 364 # define DEVICE_PATH_SUB_TYPE_MEMORY 0x03 365 # define DEVICE_PATH_SUB_TYPE_VENDOR 0x04 366 367 struct efi_device_path_memory { 368 struct efi_device_path dp; 369 u32 memory_type; 370 u64 start_address; 371 u64 end_address; 372 } __packed; 373 374 struct efi_device_path_vendor { 375 struct efi_device_path dp; 376 efi_guid_t guid; 377 u8 vendor_data[]; 378 } __packed; 379 380 #define DEVICE_PATH_TYPE_ACPI_DEVICE 0x02 381 # define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE 0x01 382 383 #define EFI_PNP_ID(ID) (u32)(((ID) << 16) | 0x41D0) 384 #define EISA_PNP_ID(ID) EFI_PNP_ID(ID) 385 #define EISA_PNP_NUM(ID) ((ID) >> 16) 386 387 struct efi_device_path_acpi_path { 388 struct efi_device_path dp; 389 u32 hid; 390 u32 uid; 391 } __packed; 392 393 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE 0x03 394 # define DEVICE_PATH_SUB_TYPE_MSG_ATAPI 0x01 395 # define DEVICE_PATH_SUB_TYPE_MSG_SCSI 0x02 396 # define DEVICE_PATH_SUB_TYPE_MSG_USB 0x05 397 # define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR 0x0b 398 # define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS 0x0f 399 # define DEVICE_PATH_SUB_TYPE_MSG_SD 0x1a 400 # define DEVICE_PATH_SUB_TYPE_MSG_MMC 0x1d 401 402 struct efi_device_path_atapi { 403 struct efi_device_path dp; 404 u8 primary_secondary; 405 u8 slave_master; 406 u16 logical_unit_number; 407 } __packed; 408 409 struct efi_device_path_scsi { 410 struct efi_device_path dp; 411 u16 target_id; 412 u16 logical_unit_number; 413 } __packed; 414 415 struct efi_device_path_usb { 416 struct efi_device_path dp; 417 u8 parent_port_number; 418 u8 usb_interface; 419 } __packed; 420 421 struct efi_device_path_mac_addr { 422 struct efi_device_path dp; 423 struct efi_mac_addr mac; 424 u8 if_type; 425 } __packed; 426 427 struct efi_device_path_usb_class { 428 struct efi_device_path dp; 429 u16 vendor_id; 430 u16 product_id; 431 u8 device_class; 432 u8 device_subclass; 433 u8 device_protocol; 434 } __packed; 435 436 struct efi_device_path_sd_mmc_path { 437 struct efi_device_path dp; 438 u8 slot_number; 439 } __packed; 440 441 #define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04 442 # define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH 0x01 443 # define DEVICE_PATH_SUB_TYPE_CDROM_PATH 0x02 444 # define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04 445 446 struct efi_device_path_hard_drive_path { 447 struct efi_device_path dp; 448 u32 partition_number; 449 u64 partition_start; 450 u64 partition_end; 451 u8 partition_signature[16]; 452 u8 partmap_type; 453 u8 signature_type; 454 } __packed; 455 456 struct efi_device_path_cdrom_path { 457 struct efi_device_path dp; 458 u32 boot_entry; 459 u64 partition_start; 460 u64 partition_end; 461 } __packed; 462 463 struct efi_device_path_file_path { 464 struct efi_device_path dp; 465 u16 str[]; 466 } __packed; 467 468 #define BLOCK_IO_GUID \ 469 EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \ 470 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 471 472 struct efi_block_io_media 473 { 474 u32 media_id; 475 char removable_media; 476 char media_present; 477 char logical_partition; 478 char read_only; 479 char write_caching; 480 u8 pad[3]; 481 u32 block_size; 482 u32 io_align; 483 u8 pad2[4]; 484 u64 last_block; 485 /* Added in revision 2 of the protocol */ 486 u64 lowest_aligned_lba; 487 u32 logical_blocks_per_physical_block; 488 /* Added in revision 3 of the protocol */ 489 u32 optimal_transfer_length_granualarity; 490 }; 491 492 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001 493 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f 494 495 struct efi_block_io { 496 u64 revision; 497 struct efi_block_io_media *media; 498 efi_status_t (EFIAPI *reset)(struct efi_block_io *this, 499 char extended_verification); 500 efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this, 501 u32 media_id, u64 lba, efi_uintn_t buffer_size, 502 void *buffer); 503 efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this, 504 u32 media_id, u64 lba, efi_uintn_t buffer_size, 505 void *buffer); 506 efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this); 507 }; 508 509 struct simple_text_output_mode { 510 s32 max_mode; 511 s32 mode; 512 s32 attribute; 513 s32 cursor_column; 514 s32 cursor_row; 515 bool cursor_visible; 516 }; 517 518 519 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \ 520 EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \ 521 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 522 523 #define EFI_BLACK 0x00 524 #define EFI_BLUE 0x01 525 #define EFI_GREEN 0x02 526 #define EFI_CYAN 0x03 527 #define EFI_RED 0x04 528 #define EFI_MAGENTA 0x05 529 #define EFI_BROWN 0x06 530 #define EFI_LIGHTGRAY 0x07 531 #define EFI_BRIGHT 0x08 532 #define EFI_DARKGRAY 0x08 533 #define EFI_LIGHTBLUE 0x09 534 #define EFI_LIGHTGREEN 0x0a 535 #define EFI_LIGHTCYAN 0x0b 536 #define EFI_LIGHTRED 0x0c 537 #define EFI_LIGHTMAGENTA 0x0d 538 #define EFI_YELLOW 0x0e 539 #define EFI_WHITE 0x0f 540 #define EFI_BACKGROUND_BLACK 0x00 541 #define EFI_BACKGROUND_BLUE 0x10 542 #define EFI_BACKGROUND_GREEN 0x20 543 #define EFI_BACKGROUND_CYAN 0x30 544 #define EFI_BACKGROUND_RED 0x40 545 #define EFI_BACKGROUND_MAGENTA 0x50 546 #define EFI_BACKGROUND_BROWN 0x60 547 #define EFI_BACKGROUND_LIGHTGRAY 0x70 548 549 /* extract foreground color from EFI attribute */ 550 #define EFI_ATTR_FG(attr) ((attr) & 0x07) 551 /* treat high bit of FG as bright/bold (similar to edk2) */ 552 #define EFI_ATTR_BOLD(attr) (((attr) >> 3) & 0x01) 553 /* extract background color from EFI attribute */ 554 #define EFI_ATTR_BG(attr) (((attr) >> 4) & 0x7) 555 556 struct efi_simple_text_output_protocol { 557 void *reset; 558 efi_status_t (EFIAPI *output_string)( 559 struct efi_simple_text_output_protocol *this, 560 const efi_string_t str); 561 efi_status_t (EFIAPI *test_string)( 562 struct efi_simple_text_output_protocol *this, 563 const efi_string_t str); 564 efi_status_t(EFIAPI *query_mode)( 565 struct efi_simple_text_output_protocol *this, 566 unsigned long mode_number, unsigned long *columns, 567 unsigned long *rows); 568 efi_status_t(EFIAPI *set_mode)( 569 struct efi_simple_text_output_protocol *this, 570 unsigned long mode_number); 571 efi_status_t(EFIAPI *set_attribute)( 572 struct efi_simple_text_output_protocol *this, 573 unsigned long attribute); 574 efi_status_t(EFIAPI *clear_screen) ( 575 struct efi_simple_text_output_protocol *this); 576 efi_status_t(EFIAPI *set_cursor_position) ( 577 struct efi_simple_text_output_protocol *this, 578 unsigned long column, unsigned long row); 579 efi_status_t(EFIAPI *enable_cursor)( 580 struct efi_simple_text_output_protocol *this, 581 bool enable); 582 struct simple_text_output_mode *mode; 583 }; 584 585 struct efi_input_key { 586 u16 scan_code; 587 s16 unicode_char; 588 }; 589 590 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \ 591 EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \ 592 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 593 594 struct efi_simple_input_interface { 595 efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this, 596 bool ExtendedVerification); 597 efi_status_t(EFIAPI *read_key_stroke)( 598 struct efi_simple_input_interface *this, 599 struct efi_input_key *key); 600 struct efi_event *wait_for_key; 601 }; 602 603 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \ 604 EFI_GUID(0x8b843e20, 0x8132, 0x4852, \ 605 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c) 606 607 struct efi_device_path_to_text_protocol 608 { 609 uint16_t *(EFIAPI *convert_device_node_to_text)( 610 struct efi_device_path *device_node, 611 bool display_only, 612 bool allow_shortcuts); 613 uint16_t *(EFIAPI *convert_device_path_to_text)( 614 struct efi_device_path *device_path, 615 bool display_only, 616 bool allow_shortcuts); 617 }; 618 619 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \ 620 EFI_GUID(0x0379be4e, 0xd706, 0x437d, \ 621 0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4) 622 623 struct efi_device_path_utilities_protocol { 624 efi_uintn_t (EFIAPI *get_device_path_size)( 625 const struct efi_device_path *device_path); 626 struct efi_device_path *(EFIAPI *duplicate_device_path)( 627 const struct efi_device_path *device_path); 628 struct efi_device_path *(EFIAPI *append_device_path)( 629 const struct efi_device_path *src1, 630 const struct efi_device_path *src2); 631 struct efi_device_path *(EFIAPI *append_device_node)( 632 const struct efi_device_path *device_path, 633 const struct efi_device_path *device_node); 634 struct efi_device_path *(EFIAPI *append_device_path_instance)( 635 const struct efi_device_path *device_path, 636 const struct efi_device_path *device_path_instance); 637 struct efi_device_path *(EFIAPI *get_next_device_path_instance)( 638 struct efi_device_path **device_path_instance, 639 efi_uintn_t *device_path_instance_size); 640 bool (EFIAPI *is_device_path_multi_instance)( 641 const struct efi_device_path *device_path); 642 struct efi_device_path *(EFIAPI *create_device_node)( 643 uint8_t node_type, 644 uint8_t node_sub_type, 645 uint16_t node_length); 646 }; 647 648 #define EFI_GOP_GUID \ 649 EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \ 650 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) 651 652 #define EFI_GOT_RGBA8 0 653 #define EFI_GOT_BGRA8 1 654 #define EFI_GOT_BITMASK 2 655 656 struct efi_gop_mode_info 657 { 658 u32 version; 659 u32 width; 660 u32 height; 661 u32 pixel_format; 662 u32 pixel_bitmask[4]; 663 u32 pixels_per_scanline; 664 }; 665 666 struct efi_gop_mode 667 { 668 u32 max_mode; 669 u32 mode; 670 struct efi_gop_mode_info *info; 671 unsigned long info_size; 672 efi_physical_addr_t fb_base; 673 unsigned long fb_size; 674 }; 675 676 struct efi_gop_pixel { 677 u8 blue; 678 u8 green; 679 u8 red; 680 u8 reserved; 681 }; 682 683 #define EFI_BLT_VIDEO_FILL 0 684 #define EFI_BLT_VIDEO_TO_BLT_BUFFER 1 685 #define EFI_BLT_BUFFER_TO_VIDEO 2 686 #define EFI_BLT_VIDEO_TO_VIDEO 3 687 688 struct efi_gop 689 { 690 efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number, 691 efi_uintn_t *size_of_info, 692 struct efi_gop_mode_info **info); 693 efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number); 694 efi_status_t (EFIAPI *blt)(struct efi_gop *this, 695 struct efi_gop_pixel *buffer, 696 u32 operation, efi_uintn_t sx, 697 efi_uintn_t sy, efi_uintn_t dx, 698 efi_uintn_t dy, efi_uintn_t width, 699 efi_uintn_t height, efi_uintn_t delta); 700 struct efi_gop_mode *mode; 701 }; 702 703 #define EFI_SIMPLE_NETWORK_GUID \ 704 EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \ 705 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 706 707 struct efi_mac_address { 708 char mac_addr[32]; 709 }; 710 711 struct efi_ip_address { 712 u8 ip_addr[16]; 713 } __attribute__((aligned(4))); 714 715 enum efi_simple_network_state { 716 EFI_NETWORK_STOPPED, 717 EFI_NETWORK_STARTED, 718 EFI_NETWORK_INITIALIZED, 719 }; 720 721 struct efi_simple_network_mode { 722 enum efi_simple_network_state state; 723 u32 hwaddr_size; 724 u32 media_header_size; 725 u32 max_packet_size; 726 u32 nvram_size; 727 u32 nvram_access_size; 728 u32 receive_filter_mask; 729 u32 receive_filter_setting; 730 u32 max_mcast_filter_count; 731 u32 mcast_filter_count; 732 struct efi_mac_address mcast_filter[16]; 733 struct efi_mac_address current_address; 734 struct efi_mac_address broadcast_address; 735 struct efi_mac_address permanent_address; 736 u8 if_type; 737 u8 mac_changeable; 738 u8 multitx_supported; 739 u8 media_present_supported; 740 u8 media_present; 741 }; 742 743 /* receive_filters bit mask */ 744 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST 0x01 745 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST 0x02 746 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST 0x04 747 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS 0x08 748 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10 749 750 /* interrupt status bit mask */ 751 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT 0x01 752 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT 0x02 753 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT 0x04 754 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT 0x08 755 756 /* revision of the simple network protocol */ 757 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION 0x00010000 758 759 struct efi_simple_network 760 { 761 u64 revision; 762 efi_status_t (EFIAPI *start)(struct efi_simple_network *this); 763 efi_status_t (EFIAPI *stop)(struct efi_simple_network *this); 764 efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this, 765 ulong extra_rx, ulong extra_tx); 766 efi_status_t (EFIAPI *reset)(struct efi_simple_network *this, 767 int extended_verification); 768 efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this); 769 efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this, 770 u32 enable, u32 disable, int reset_mcast_filter, 771 ulong mcast_filter_count, 772 struct efi_mac_address *mcast_filter); 773 efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this, 774 int reset, struct efi_mac_address *new_mac); 775 efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this, 776 int reset, ulong *stat_size, void *stat_table); 777 efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this, 778 int ipv6, struct efi_ip_address *ip, 779 struct efi_mac_address *mac); 780 efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this, 781 int read_write, ulong offset, ulong buffer_size, 782 char *buffer); 783 efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this, 784 u32 *int_status, void **txbuf); 785 efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this, 786 size_t header_size, size_t buffer_size, void *buffer, 787 struct efi_mac_address *src_addr, 788 struct efi_mac_address *dest_addr, u16 *protocol); 789 efi_status_t (EFIAPI *receive)(struct efi_simple_network *this, 790 size_t *header_size, size_t *buffer_size, void *buffer, 791 struct efi_mac_address *src_addr, 792 struct efi_mac_address *dest_addr, u16 *protocol); 793 struct efi_event *wait_for_packet; 794 struct efi_simple_network_mode *mode; 795 }; 796 797 #define EFI_PXE_GUID \ 798 EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \ 799 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 800 801 struct efi_pxe_packet { 802 u8 packet[1472]; 803 }; 804 805 struct efi_pxe_mode 806 { 807 u8 started; 808 u8 ipv6_available; 809 u8 ipv6_supported; 810 u8 using_ipv6; 811 u8 bis_supported; 812 u8 bis_detected; 813 u8 auto_arp; 814 u8 send_guid; 815 u8 dhcp_discover_valid; 816 u8 dhcp_ack_received; 817 u8 proxy_offer_received; 818 u8 pxe_discover_valid; 819 u8 pxe_reply_received; 820 u8 pxe_bis_reply_received; 821 u8 icmp_error_received; 822 u8 tftp_error_received; 823 u8 make_callbacks; 824 u8 ttl; 825 u8 tos; 826 u8 pad; 827 struct efi_ip_address station_ip; 828 struct efi_ip_address subnet_mask; 829 struct efi_pxe_packet dhcp_discover; 830 struct efi_pxe_packet dhcp_ack; 831 struct efi_pxe_packet proxy_offer; 832 struct efi_pxe_packet pxe_discover; 833 struct efi_pxe_packet pxe_reply; 834 }; 835 836 struct efi_pxe { 837 u64 rev; 838 void (EFIAPI *start)(void); 839 void (EFIAPI *stop)(void); 840 void (EFIAPI *dhcp)(void); 841 void (EFIAPI *discover)(void); 842 void (EFIAPI *mftp)(void); 843 void (EFIAPI *udpwrite)(void); 844 void (EFIAPI *udpread)(void); 845 void (EFIAPI *setipfilter)(void); 846 void (EFIAPI *arp)(void); 847 void (EFIAPI *setparams)(void); 848 void (EFIAPI *setstationip)(void); 849 void (EFIAPI *setpackets)(void); 850 struct efi_pxe_mode *mode; 851 }; 852 853 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ 854 EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ 855 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 856 #define EFI_FILE_PROTOCOL_REVISION 0x00010000 857 858 struct efi_file_handle { 859 u64 rev; 860 efi_status_t (EFIAPI *open)(struct efi_file_handle *file, 861 struct efi_file_handle **new_handle, 862 s16 *file_name, u64 open_mode, u64 attributes); 863 efi_status_t (EFIAPI *close)(struct efi_file_handle *file); 864 efi_status_t (EFIAPI *delete)(struct efi_file_handle *file); 865 efi_status_t (EFIAPI *read)(struct efi_file_handle *file, 866 efi_uintn_t *buffer_size, void *buffer); 867 efi_status_t (EFIAPI *write)(struct efi_file_handle *file, 868 efi_uintn_t *buffer_size, void *buffer); 869 efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file, 870 efi_uintn_t *pos); 871 efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file, 872 efi_uintn_t pos); 873 efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file, 874 const efi_guid_t *info_type, efi_uintn_t *buffer_size, 875 void *buffer); 876 efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file, 877 const efi_guid_t *info_type, efi_uintn_t buffer_size, 878 void *buffer); 879 efi_status_t (EFIAPI *flush)(struct efi_file_handle *file); 880 }; 881 882 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ 883 EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ 884 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 885 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000 886 887 struct efi_simple_file_system_protocol { 888 u64 rev; 889 efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this, 890 struct efi_file_handle **root); 891 }; 892 893 #define EFI_FILE_INFO_GUID \ 894 EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \ 895 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 896 897 #define EFI_FILE_SYSTEM_INFO_GUID \ 898 EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \ 899 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 900 901 #define EFI_FILE_MODE_READ 0x0000000000000001 902 #define EFI_FILE_MODE_WRITE 0x0000000000000002 903 #define EFI_FILE_MODE_CREATE 0x8000000000000000 904 905 #define EFI_FILE_READ_ONLY 0x0000000000000001 906 #define EFI_FILE_HIDDEN 0x0000000000000002 907 #define EFI_FILE_SYSTEM 0x0000000000000004 908 #define EFI_FILE_RESERVED 0x0000000000000008 909 #define EFI_FILE_DIRECTORY 0x0000000000000010 910 #define EFI_FILE_ARCHIVE 0x0000000000000020 911 #define EFI_FILE_VALID_ATTR 0x0000000000000037 912 913 struct efi_file_info { 914 u64 size; 915 u64 file_size; 916 u64 physical_size; 917 struct efi_time create_time; 918 struct efi_time last_access_time; 919 struct efi_time modification_time; 920 u64 attribute; 921 s16 file_name[0]; 922 }; 923 924 struct efi_file_system_info { 925 u64 size; 926 u8 read_only; 927 u64 volume_size; 928 u64 free_space; 929 u32 block_size; 930 u16 volume_label[0]; 931 }; 932 933 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \ 934 EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\ 935 0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71) 936 struct efi_driver_binding_protocol { 937 efi_status_t (EFIAPI * supported)( 938 struct efi_driver_binding_protocol *this, 939 efi_handle_t controller_handle, 940 struct efi_device_path *remaining_device_path); 941 efi_status_t (EFIAPI * start)( 942 struct efi_driver_binding_protocol *this, 943 efi_handle_t controller_handle, 944 struct efi_device_path *remaining_device_path); 945 efi_status_t (EFIAPI * stop)( 946 struct efi_driver_binding_protocol *this, 947 efi_handle_t controller_handle, 948 efi_uintn_t number_of_children, 949 efi_handle_t *child_handle_buffer); 950 u32 version; 951 efi_handle_t image_handle; 952 efi_handle_t driver_binding_handle; 953 }; 954 955 #endif 956