1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Extensible Firmware Interface 4 * Based on 'Extensible Firmware Interface Specification' version 0.9, 5 * April 30, 1999 6 * 7 * Copyright (C) 1999 VA Linux Systems 8 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> 9 * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co. 10 * David Mosberger-Tang <davidm@hpl.hp.com> 11 * Stephane Eranian <eranian@hpl.hp.com> 12 * 13 * From include/linux/efi.h in kernel 4.1 with some additions/subtractions 14 */ 15 16 #ifndef _EFI_API_H 17 #define _EFI_API_H 18 19 #include <efi.h> 20 21 #ifdef CONFIG_EFI_LOADER 22 #include <asm/setjmp.h> 23 #endif 24 25 /* UEFI spec version 2.7 */ 26 #define EFI_SPECIFICATION_VERSION (2 << 16 | 70) 27 28 /* Types and defines for EFI CreateEvent */ 29 enum efi_timer_delay { 30 EFI_TIMER_STOP = 0, 31 EFI_TIMER_PERIODIC = 1, 32 EFI_TIMER_RELATIVE = 2 33 }; 34 35 #define efi_intn_t ssize_t 36 #define efi_uintn_t size_t 37 typedef uint16_t *efi_string_t; 38 39 #define EVT_TIMER 0x80000000 40 #define EVT_RUNTIME 0x40000000 41 #define EVT_NOTIFY_WAIT 0x00000100 42 #define EVT_NOTIFY_SIGNAL 0x00000200 43 #define EVT_SIGNAL_EXIT_BOOT_SERVICES 0x00000201 44 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE 0x60000202 45 46 #define TPL_APPLICATION 0x04 47 #define TPL_CALLBACK 0x08 48 #define TPL_NOTIFY 0x10 49 #define TPL_HIGH_LEVEL 0x1F 50 51 struct efi_event; 52 53 /* EFI Boot Services table */ 54 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42 55 struct efi_boot_services { 56 struct efi_table_hdr hdr; 57 efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl); 58 void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl); 59 60 efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t, 61 efi_physical_addr_t *); 62 efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t); 63 efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size, 64 struct efi_mem_desc *desc, 65 efi_uintn_t *key, 66 efi_uintn_t *desc_size, 67 u32 *desc_version); 68 efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **); 69 efi_status_t (EFIAPI *free_pool)(void *); 70 71 efi_status_t (EFIAPI *create_event)(uint32_t type, 72 efi_uintn_t notify_tpl, 73 void (EFIAPI *notify_function) ( 74 struct efi_event *event, 75 void *context), 76 void *notify_context, struct efi_event **event); 77 efi_status_t (EFIAPI *set_timer)(struct efi_event *event, 78 enum efi_timer_delay type, 79 uint64_t trigger_time); 80 efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events, 81 struct efi_event **event, 82 efi_uintn_t *index); 83 efi_status_t (EFIAPI *signal_event)(struct efi_event *event); 84 efi_status_t (EFIAPI *close_event)(struct efi_event *event); 85 efi_status_t (EFIAPI *check_event)(struct efi_event *event); 86 #define EFI_NATIVE_INTERFACE 0x00000000 87 efi_status_t (EFIAPI *install_protocol_interface)( 88 efi_handle_t *handle, const efi_guid_t *protocol, 89 int protocol_interface_type, void *protocol_interface); 90 efi_status_t (EFIAPI *reinstall_protocol_interface)( 91 efi_handle_t handle, const efi_guid_t *protocol, 92 void *old_interface, void *new_interface); 93 efi_status_t (EFIAPI *uninstall_protocol_interface)( 94 efi_handle_t handle, const efi_guid_t *protocol, 95 void *protocol_interface); 96 efi_status_t (EFIAPI *handle_protocol)( 97 efi_handle_t handle, const efi_guid_t *protocol, 98 void **protocol_interface); 99 void *reserved; 100 efi_status_t (EFIAPI *register_protocol_notify)( 101 const efi_guid_t *protocol, struct efi_event *event, 102 void **registration); 103 efi_status_t (EFIAPI *locate_handle)( 104 enum efi_locate_search_type search_type, 105 const efi_guid_t *protocol, void *search_key, 106 efi_uintn_t *buffer_size, efi_handle_t *buffer); 107 efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol, 108 struct efi_device_path **device_path, 109 efi_handle_t *device); 110 efi_status_t (EFIAPI *install_configuration_table)( 111 efi_guid_t *guid, void *table); 112 113 efi_status_t (EFIAPI *load_image)(bool boot_policiy, 114 efi_handle_t parent_image, 115 struct efi_device_path *file_path, void *source_buffer, 116 efi_uintn_t source_size, efi_handle_t *image); 117 efi_status_t (EFIAPI *start_image)(efi_handle_t handle, 118 unsigned long *exitdata_size, 119 s16 **exitdata); 120 efi_status_t (EFIAPI *exit)(efi_handle_t handle, 121 efi_status_t exit_status, 122 unsigned long exitdata_size, s16 *exitdata); 123 efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle); 124 efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long); 125 126 efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count); 127 efi_status_t (EFIAPI *stall)(unsigned long usecs); 128 efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout, 129 uint64_t watchdog_code, unsigned long data_size, 130 uint16_t *watchdog_data); 131 efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle, 132 efi_handle_t *driver_image_handle, 133 struct efi_device_path *remaining_device_path, 134 bool recursive); 135 efi_status_t (EFIAPI *disconnect_controller)( 136 efi_handle_t controller_handle, 137 efi_handle_t driver_image_handle, 138 efi_handle_t child_handle); 139 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001 140 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002 141 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004 142 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008 143 #define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010 144 #define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020 145 efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle, 146 const efi_guid_t *protocol, void **interface, 147 efi_handle_t agent_handle, 148 efi_handle_t controller_handle, u32 attributes); 149 efi_status_t (EFIAPI *close_protocol)( 150 efi_handle_t handle, const efi_guid_t *protocol, 151 efi_handle_t agent_handle, 152 efi_handle_t controller_handle); 153 efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle, 154 const efi_guid_t *protocol, 155 struct efi_open_protocol_info_entry **entry_buffer, 156 efi_uintn_t *entry_count); 157 efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle, 158 efi_guid_t ***protocol_buffer, 159 efi_uintn_t *protocols_buffer_count); 160 efi_status_t (EFIAPI *locate_handle_buffer) ( 161 enum efi_locate_search_type search_type, 162 const efi_guid_t *protocol, void *search_key, 163 efi_uintn_t *no_handles, efi_handle_t **buffer); 164 efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol, 165 void *registration, void **protocol_interface); 166 efi_status_t (EFIAPI *install_multiple_protocol_interfaces)( 167 efi_handle_t *handle, ...); 168 efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)( 169 efi_handle_t handle, ...); 170 efi_status_t (EFIAPI *calculate_crc32)(const void *data, 171 efi_uintn_t data_size, 172 u32 *crc32); 173 void (EFIAPI *copy_mem)(void *destination, const void *source, 174 size_t length); 175 void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value); 176 efi_status_t (EFIAPI *create_event_ex)( 177 uint32_t type, efi_uintn_t notify_tpl, 178 void (EFIAPI *notify_function) ( 179 struct efi_event *event, 180 void *context), 181 void *notify_context, 182 efi_guid_t *event_group, 183 struct efi_event **event); 184 }; 185 186 /* Types and defines for EFI ResetSystem */ 187 enum efi_reset_type { 188 EFI_RESET_COLD = 0, 189 EFI_RESET_WARM = 1, 190 EFI_RESET_SHUTDOWN = 2, 191 EFI_RESET_PLATFORM_SPECIFIC = 3, 192 }; 193 194 /* EFI Runtime Services table */ 195 #define EFI_RUNTIME_SERVICES_SIGNATURE 0x56524553544e5552ULL 196 197 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000 198 #define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000 199 #define CAPSULE_FLAGS_INITIATE_RESET 0x00040000 200 201 struct efi_capsule_header { 202 efi_guid_t *capsule_guid; 203 u32 header_size; 204 u32 flags; 205 u32 capsule_image_size; 206 }; 207 208 struct efi_runtime_services { 209 struct efi_table_hdr hdr; 210 efi_status_t (EFIAPI *get_time)(struct efi_time *time, 211 struct efi_time_cap *capabilities); 212 efi_status_t (EFIAPI *set_time)(struct efi_time *time); 213 efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending, 214 struct efi_time *time); 215 efi_status_t (EFIAPI *set_wakeup_time)(char enabled, 216 struct efi_time *time); 217 efi_status_t (EFIAPI *set_virtual_address_map)( 218 unsigned long memory_map_size, 219 unsigned long descriptor_size, 220 uint32_t descriptor_version, 221 struct efi_mem_desc *virtmap); 222 efi_status_t (*convert_pointer)(unsigned long dbg, void **address); 223 efi_status_t (EFIAPI *get_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_variable_name)( 227 efi_uintn_t *variable_name_size, 228 u16 *variable_name, efi_guid_t *vendor); 229 efi_status_t (EFIAPI *set_variable)(u16 *variable_name, 230 efi_guid_t *vendor, u32 attributes, 231 efi_uintn_t data_size, void *data); 232 efi_status_t (EFIAPI *get_next_high_mono_count)( 233 uint32_t *high_count); 234 void (EFIAPI *reset_system)(enum efi_reset_type reset_type, 235 efi_status_t reset_status, 236 unsigned long data_size, void *reset_data); 237 efi_status_t (EFIAPI *update_capsule)( 238 struct efi_capsule_header **capsule_header_array, 239 efi_uintn_t capsule_count, 240 u64 scatter_gather_list); 241 efi_status_t (EFIAPI *query_capsule_caps)( 242 struct efi_capsule_header **capsule_header_array, 243 efi_uintn_t capsule_count, 244 u64 *maximum_capsule_size, 245 u32 *reset_type); 246 efi_status_t (EFIAPI *query_variable_info)( 247 u32 attributes, 248 u64 *maximum_variable_storage_size, 249 u64 *remaining_variable_storage_size, 250 u64 *maximum_variable_size); 251 }; 252 253 /* EFI event group GUID definitions */ 254 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \ 255 EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \ 256 0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf) 257 258 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \ 259 EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \ 260 0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96) 261 262 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \ 263 EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \ 264 0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab) 265 266 #define EFI_EVENT_GROUP_READY_TO_BOOT \ 267 EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \ 268 0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b) 269 270 #define EFI_EVENT_GROUP_RESET_SYSTEM \ 271 EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \ 272 0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b) 273 274 /* EFI Configuration Table and GUID definitions */ 275 #define NULL_GUID \ 276 EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \ 277 0x00, 0x00, 0x00, 0x00, 0x00, 0x00) 278 279 #define EFI_GLOBAL_VARIABLE_GUID \ 280 EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \ 281 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c) 282 283 #define LOADED_IMAGE_PROTOCOL_GUID \ 284 EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \ 285 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 286 287 #define EFI_FDT_GUID \ 288 EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \ 289 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0) 290 291 #define EFI_ACPI_TABLE_GUID \ 292 EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \ 293 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81) 294 295 #define SMBIOS_TABLE_GUID \ 296 EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3, \ 297 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 298 299 struct efi_configuration_table { 300 efi_guid_t guid; 301 void *table; 302 }; 303 304 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL) 305 306 struct efi_system_table { 307 struct efi_table_hdr hdr; 308 u16 *fw_vendor; /* physical addr of wchar_t vendor string */ 309 u32 fw_revision; 310 efi_handle_t con_in_handle; 311 struct efi_simple_text_input_protocol *con_in; 312 efi_handle_t con_out_handle; 313 struct efi_simple_text_output_protocol *con_out; 314 efi_handle_t stderr_handle; 315 struct efi_simple_text_output_protocol *std_err; 316 struct efi_runtime_services *runtime; 317 struct efi_boot_services *boottime; 318 efi_uintn_t nr_tables; 319 struct efi_configuration_table *tables; 320 }; 321 322 #define LOADED_IMAGE_GUID \ 323 EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \ 324 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 325 326 #define EFI_LOADED_IMAGE_PROTOCOL_REVISION 0x1000 327 328 struct efi_loaded_image { 329 u32 revision; 330 void *parent_handle; 331 struct efi_system_table *system_table; 332 efi_handle_t device_handle; 333 struct efi_device_path *file_path; 334 void *reserved; 335 u32 load_options_size; 336 void *load_options; 337 void *image_base; 338 aligned_u64 image_size; 339 unsigned int image_code_type; 340 unsigned int image_data_type; 341 unsigned long unload; 342 }; 343 344 #define DEVICE_PATH_GUID \ 345 EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \ 346 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 347 348 #define DEVICE_PATH_TYPE_END 0x7f 349 # define DEVICE_PATH_SUB_TYPE_INSTANCE_END 0x01 350 # define DEVICE_PATH_SUB_TYPE_END 0xff 351 352 struct efi_device_path { 353 u8 type; 354 u8 sub_type; 355 u16 length; 356 } __packed; 357 358 struct efi_mac_addr { 359 u8 addr[32]; 360 } __packed; 361 362 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE 0x01 363 # define DEVICE_PATH_SUB_TYPE_MEMORY 0x03 364 # define DEVICE_PATH_SUB_TYPE_VENDOR 0x04 365 366 struct efi_device_path_memory { 367 struct efi_device_path dp; 368 u32 memory_type; 369 u64 start_address; 370 u64 end_address; 371 } __packed; 372 373 struct efi_device_path_vendor { 374 struct efi_device_path dp; 375 efi_guid_t guid; 376 u8 vendor_data[]; 377 } __packed; 378 379 #define DEVICE_PATH_TYPE_ACPI_DEVICE 0x02 380 # define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE 0x01 381 382 #define EFI_PNP_ID(ID) (u32)(((ID) << 16) | 0x41D0) 383 #define EISA_PNP_ID(ID) EFI_PNP_ID(ID) 384 #define EISA_PNP_NUM(ID) ((ID) >> 16) 385 386 struct efi_device_path_acpi_path { 387 struct efi_device_path dp; 388 u32 hid; 389 u32 uid; 390 } __packed; 391 392 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE 0x03 393 # define DEVICE_PATH_SUB_TYPE_MSG_ATAPI 0x01 394 # define DEVICE_PATH_SUB_TYPE_MSG_SCSI 0x02 395 # define DEVICE_PATH_SUB_TYPE_MSG_USB 0x05 396 # define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR 0x0b 397 # define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS 0x0f 398 # define DEVICE_PATH_SUB_TYPE_MSG_SD 0x1a 399 # define DEVICE_PATH_SUB_TYPE_MSG_MMC 0x1d 400 401 struct efi_device_path_atapi { 402 struct efi_device_path dp; 403 u8 primary_secondary; 404 u8 slave_master; 405 u16 logical_unit_number; 406 } __packed; 407 408 struct efi_device_path_scsi { 409 struct efi_device_path dp; 410 u16 target_id; 411 u16 logical_unit_number; 412 } __packed; 413 414 struct efi_device_path_usb { 415 struct efi_device_path dp; 416 u8 parent_port_number; 417 u8 usb_interface; 418 } __packed; 419 420 struct efi_device_path_mac_addr { 421 struct efi_device_path dp; 422 struct efi_mac_addr mac; 423 u8 if_type; 424 } __packed; 425 426 struct efi_device_path_usb_class { 427 struct efi_device_path dp; 428 u16 vendor_id; 429 u16 product_id; 430 u8 device_class; 431 u8 device_subclass; 432 u8 device_protocol; 433 } __packed; 434 435 struct efi_device_path_sd_mmc_path { 436 struct efi_device_path dp; 437 u8 slot_number; 438 } __packed; 439 440 #define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04 441 # define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH 0x01 442 # define DEVICE_PATH_SUB_TYPE_CDROM_PATH 0x02 443 # define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04 444 445 struct efi_device_path_hard_drive_path { 446 struct efi_device_path dp; 447 u32 partition_number; 448 u64 partition_start; 449 u64 partition_end; 450 u8 partition_signature[16]; 451 u8 partmap_type; 452 u8 signature_type; 453 } __packed; 454 455 struct efi_device_path_cdrom_path { 456 struct efi_device_path dp; 457 u32 boot_entry; 458 u64 partition_start; 459 u64 partition_end; 460 } __packed; 461 462 struct efi_device_path_file_path { 463 struct efi_device_path dp; 464 u16 str[]; 465 } __packed; 466 467 #define BLOCK_IO_GUID \ 468 EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \ 469 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 470 471 struct efi_block_io_media { 472 u32 media_id; 473 char removable_media; 474 char media_present; 475 char logical_partition; 476 char read_only; 477 char write_caching; 478 u8 pad[3]; 479 u32 block_size; 480 u32 io_align; 481 u8 pad2[4]; 482 u64 last_block; 483 /* Added in revision 2 of the protocol */ 484 u64 lowest_aligned_lba; 485 u32 logical_blocks_per_physical_block; 486 /* Added in revision 3 of the protocol */ 487 u32 optimal_transfer_length_granualarity; 488 }; 489 490 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001 491 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f 492 493 struct efi_block_io { 494 u64 revision; 495 struct efi_block_io_media *media; 496 efi_status_t (EFIAPI *reset)(struct efi_block_io *this, 497 char extended_verification); 498 efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this, 499 u32 media_id, u64 lba, efi_uintn_t buffer_size, 500 void *buffer); 501 efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this, 502 u32 media_id, u64 lba, efi_uintn_t buffer_size, 503 void *buffer); 504 efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this); 505 }; 506 507 struct simple_text_output_mode { 508 s32 max_mode; 509 s32 mode; 510 s32 attribute; 511 s32 cursor_column; 512 s32 cursor_row; 513 bool cursor_visible; 514 }; 515 516 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \ 517 EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \ 518 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 519 520 #define EFI_BLACK 0x00 521 #define EFI_BLUE 0x01 522 #define EFI_GREEN 0x02 523 #define EFI_CYAN 0x03 524 #define EFI_RED 0x04 525 #define EFI_MAGENTA 0x05 526 #define EFI_BROWN 0x06 527 #define EFI_LIGHTGRAY 0x07 528 #define EFI_BRIGHT 0x08 529 #define EFI_DARKGRAY 0x08 530 #define EFI_LIGHTBLUE 0x09 531 #define EFI_LIGHTGREEN 0x0a 532 #define EFI_LIGHTCYAN 0x0b 533 #define EFI_LIGHTRED 0x0c 534 #define EFI_LIGHTMAGENTA 0x0d 535 #define EFI_YELLOW 0x0e 536 #define EFI_WHITE 0x0f 537 #define EFI_BACKGROUND_BLACK 0x00 538 #define EFI_BACKGROUND_BLUE 0x10 539 #define EFI_BACKGROUND_GREEN 0x20 540 #define EFI_BACKGROUND_CYAN 0x30 541 #define EFI_BACKGROUND_RED 0x40 542 #define EFI_BACKGROUND_MAGENTA 0x50 543 #define EFI_BACKGROUND_BROWN 0x60 544 #define EFI_BACKGROUND_LIGHTGRAY 0x70 545 546 /* extract foreground color from EFI attribute */ 547 #define EFI_ATTR_FG(attr) ((attr) & 0x07) 548 /* treat high bit of FG as bright/bold (similar to edk2) */ 549 #define EFI_ATTR_BOLD(attr) (((attr) >> 3) & 0x01) 550 /* extract background color from EFI attribute */ 551 #define EFI_ATTR_BG(attr) (((attr) >> 4) & 0x7) 552 553 struct efi_simple_text_output_protocol { 554 void *reset; 555 efi_status_t (EFIAPI *output_string)( 556 struct efi_simple_text_output_protocol *this, 557 const efi_string_t str); 558 efi_status_t (EFIAPI *test_string)( 559 struct efi_simple_text_output_protocol *this, 560 const efi_string_t str); 561 efi_status_t(EFIAPI *query_mode)( 562 struct efi_simple_text_output_protocol *this, 563 unsigned long mode_number, unsigned long *columns, 564 unsigned long *rows); 565 efi_status_t(EFIAPI *set_mode)( 566 struct efi_simple_text_output_protocol *this, 567 unsigned long mode_number); 568 efi_status_t(EFIAPI *set_attribute)( 569 struct efi_simple_text_output_protocol *this, 570 unsigned long attribute); 571 efi_status_t(EFIAPI *clear_screen) ( 572 struct efi_simple_text_output_protocol *this); 573 efi_status_t(EFIAPI *set_cursor_position) ( 574 struct efi_simple_text_output_protocol *this, 575 unsigned long column, unsigned long row); 576 efi_status_t(EFIAPI *enable_cursor)( 577 struct efi_simple_text_output_protocol *this, 578 bool enable); 579 struct simple_text_output_mode *mode; 580 }; 581 582 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \ 583 EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \ 584 0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa) 585 586 struct efi_input_key { 587 u16 scan_code; 588 s16 unicode_char; 589 }; 590 591 #define EFI_SHIFT_STATE_INVALID 0x00000000 592 #define EFI_RIGHT_SHIFT_PRESSED 0x00000001 593 #define EFI_LEFT_SHIFT_PRESSED 0x00000002 594 #define EFI_RIGHT_CONTROL_PRESSED 0x00000004 595 #define EFI_LEFT_CONTROL_PRESSED 0x00000008 596 #define EFI_RIGHT_ALT_PRESSED 0x00000010 597 #define EFI_LEFT_ALT_PRESSED 0x00000020 598 #define EFI_RIGHT_LOGO_PRESSED 0x00000040 599 #define EFI_LEFT_LOGO_PRESSED 0x00000080 600 #define EFI_MENU_KEY_PRESSED 0x00000100 601 #define EFI_SYS_REQ_PRESSED 0x00000200 602 #define EFI_SHIFT_STATE_VALID 0x80000000 603 604 #define EFI_TOGGLE_STATE_INVALID 0x00 605 #define EFI_SCROLL_LOCK_ACTIVE 0x01 606 #define EFI_NUM_LOCK_ACTIVE 0x02 607 #define EFI_CAPS_LOCK_ACTIVE 0x04 608 #define EFI_KEY_STATE_EXPOSED 0x40 609 #define EFI_TOGGLE_STATE_VALID 0x80 610 611 struct efi_key_state { 612 u32 key_shift_state; 613 u8 key_toggle_state; 614 }; 615 616 struct efi_key_data { 617 struct efi_input_key key; 618 struct efi_key_state key_state; 619 }; 620 621 struct efi_simple_text_input_ex_protocol { 622 efi_status_t (EFIAPI *reset) ( 623 struct efi_simple_text_input_ex_protocol *this, 624 bool extended_verification); 625 efi_status_t (EFIAPI *read_key_stroke_ex) ( 626 struct efi_simple_text_input_ex_protocol *this, 627 struct efi_key_data *key_data); 628 struct efi_event *wait_for_key_ex; 629 efi_status_t (EFIAPI *set_state) ( 630 struct efi_simple_text_input_ex_protocol *this, 631 u8 key_toggle_state); 632 efi_status_t (EFIAPI *register_key_notify) ( 633 struct efi_simple_text_input_ex_protocol *this, 634 struct efi_key_data *key_data, 635 efi_status_t (EFIAPI *key_notify_function)( 636 struct efi_key_data *key_data), 637 void **notify_handle); 638 efi_status_t (EFIAPI *unregister_key_notify) ( 639 struct efi_simple_text_input_ex_protocol *this, 640 void *notification_handle); 641 }; 642 643 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \ 644 EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \ 645 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 646 647 struct efi_simple_text_input_protocol { 648 efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this, 649 bool extended_verification); 650 efi_status_t(EFIAPI *read_key_stroke)( 651 struct efi_simple_text_input_protocol *this, 652 struct efi_input_key *key); 653 struct efi_event *wait_for_key; 654 }; 655 656 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \ 657 EFI_GUID(0x8b843e20, 0x8132, 0x4852, \ 658 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c) 659 660 struct efi_device_path_to_text_protocol { 661 uint16_t *(EFIAPI *convert_device_node_to_text)( 662 struct efi_device_path *device_node, 663 bool display_only, 664 bool allow_shortcuts); 665 uint16_t *(EFIAPI *convert_device_path_to_text)( 666 struct efi_device_path *device_path, 667 bool display_only, 668 bool allow_shortcuts); 669 }; 670 671 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \ 672 EFI_GUID(0x0379be4e, 0xd706, 0x437d, \ 673 0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4) 674 675 struct efi_device_path_utilities_protocol { 676 efi_uintn_t (EFIAPI *get_device_path_size)( 677 const struct efi_device_path *device_path); 678 struct efi_device_path *(EFIAPI *duplicate_device_path)( 679 const struct efi_device_path *device_path); 680 struct efi_device_path *(EFIAPI *append_device_path)( 681 const struct efi_device_path *src1, 682 const struct efi_device_path *src2); 683 struct efi_device_path *(EFIAPI *append_device_node)( 684 const struct efi_device_path *device_path, 685 const struct efi_device_path *device_node); 686 struct efi_device_path *(EFIAPI *append_device_path_instance)( 687 const struct efi_device_path *device_path, 688 const struct efi_device_path *device_path_instance); 689 struct efi_device_path *(EFIAPI *get_next_device_path_instance)( 690 struct efi_device_path **device_path_instance, 691 efi_uintn_t *device_path_instance_size); 692 bool (EFIAPI *is_device_path_multi_instance)( 693 const struct efi_device_path *device_path); 694 struct efi_device_path *(EFIAPI *create_device_node)( 695 uint8_t node_type, 696 uint8_t node_sub_type, 697 uint16_t node_length); 698 }; 699 700 #define EFI_GOP_GUID \ 701 EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \ 702 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a) 703 704 #define EFI_GOT_RGBA8 0 705 #define EFI_GOT_BGRA8 1 706 #define EFI_GOT_BITMASK 2 707 708 struct efi_gop_mode_info { 709 u32 version; 710 u32 width; 711 u32 height; 712 u32 pixel_format; 713 u32 pixel_bitmask[4]; 714 u32 pixels_per_scanline; 715 }; 716 717 struct efi_gop_mode { 718 u32 max_mode; 719 u32 mode; 720 struct efi_gop_mode_info *info; 721 unsigned long info_size; 722 efi_physical_addr_t fb_base; 723 unsigned long fb_size; 724 }; 725 726 struct efi_gop_pixel { 727 u8 blue; 728 u8 green; 729 u8 red; 730 u8 reserved; 731 }; 732 733 #define EFI_BLT_VIDEO_FILL 0 734 #define EFI_BLT_VIDEO_TO_BLT_BUFFER 1 735 #define EFI_BLT_BUFFER_TO_VIDEO 2 736 #define EFI_BLT_VIDEO_TO_VIDEO 3 737 738 struct efi_gop { 739 efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number, 740 efi_uintn_t *size_of_info, 741 struct efi_gop_mode_info **info); 742 efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number); 743 efi_status_t (EFIAPI *blt)(struct efi_gop *this, 744 struct efi_gop_pixel *buffer, 745 u32 operation, efi_uintn_t sx, 746 efi_uintn_t sy, efi_uintn_t dx, 747 efi_uintn_t dy, efi_uintn_t width, 748 efi_uintn_t height, efi_uintn_t delta); 749 struct efi_gop_mode *mode; 750 }; 751 752 #define EFI_SIMPLE_NETWORK_GUID \ 753 EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \ 754 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 755 756 struct efi_mac_address { 757 char mac_addr[32]; 758 }; 759 760 struct efi_ip_address { 761 u8 ip_addr[16]; 762 } __attribute__((aligned(4))); 763 764 enum efi_simple_network_state { 765 EFI_NETWORK_STOPPED, 766 EFI_NETWORK_STARTED, 767 EFI_NETWORK_INITIALIZED, 768 }; 769 770 struct efi_simple_network_mode { 771 enum efi_simple_network_state state; 772 u32 hwaddr_size; 773 u32 media_header_size; 774 u32 max_packet_size; 775 u32 nvram_size; 776 u32 nvram_access_size; 777 u32 receive_filter_mask; 778 u32 receive_filter_setting; 779 u32 max_mcast_filter_count; 780 u32 mcast_filter_count; 781 struct efi_mac_address mcast_filter[16]; 782 struct efi_mac_address current_address; 783 struct efi_mac_address broadcast_address; 784 struct efi_mac_address permanent_address; 785 u8 if_type; 786 u8 mac_changeable; 787 u8 multitx_supported; 788 u8 media_present_supported; 789 u8 media_present; 790 }; 791 792 /* receive_filters bit mask */ 793 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST 0x01 794 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST 0x02 795 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST 0x04 796 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS 0x08 797 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10 798 799 /* interrupt status bit mask */ 800 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT 0x01 801 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT 0x02 802 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT 0x04 803 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT 0x08 804 805 /* revision of the simple network protocol */ 806 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION 0x00010000 807 808 struct efi_simple_network { 809 u64 revision; 810 efi_status_t (EFIAPI *start)(struct efi_simple_network *this); 811 efi_status_t (EFIAPI *stop)(struct efi_simple_network *this); 812 efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this, 813 ulong extra_rx, ulong extra_tx); 814 efi_status_t (EFIAPI *reset)(struct efi_simple_network *this, 815 int extended_verification); 816 efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this); 817 efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this, 818 u32 enable, u32 disable, int reset_mcast_filter, 819 ulong mcast_filter_count, 820 struct efi_mac_address *mcast_filter); 821 efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this, 822 int reset, struct efi_mac_address *new_mac); 823 efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this, 824 int reset, ulong *stat_size, void *stat_table); 825 efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this, 826 int ipv6, struct efi_ip_address *ip, 827 struct efi_mac_address *mac); 828 efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this, 829 int read_write, ulong offset, ulong buffer_size, 830 char *buffer); 831 efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this, 832 u32 *int_status, void **txbuf); 833 efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this, 834 size_t header_size, size_t buffer_size, void *buffer, 835 struct efi_mac_address *src_addr, 836 struct efi_mac_address *dest_addr, u16 *protocol); 837 efi_status_t (EFIAPI *receive)(struct efi_simple_network *this, 838 size_t *header_size, size_t *buffer_size, void *buffer, 839 struct efi_mac_address *src_addr, 840 struct efi_mac_address *dest_addr, u16 *protocol); 841 struct efi_event *wait_for_packet; 842 struct efi_simple_network_mode *mode; 843 }; 844 845 #define EFI_PXE_GUID \ 846 EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \ 847 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d) 848 849 struct efi_pxe_packet { 850 u8 packet[1472]; 851 }; 852 853 struct efi_pxe_mode { 854 u8 started; 855 u8 ipv6_available; 856 u8 ipv6_supported; 857 u8 using_ipv6; 858 u8 bis_supported; 859 u8 bis_detected; 860 u8 auto_arp; 861 u8 send_guid; 862 u8 dhcp_discover_valid; 863 u8 dhcp_ack_received; 864 u8 proxy_offer_received; 865 u8 pxe_discover_valid; 866 u8 pxe_reply_received; 867 u8 pxe_bis_reply_received; 868 u8 icmp_error_received; 869 u8 tftp_error_received; 870 u8 make_callbacks; 871 u8 ttl; 872 u8 tos; 873 u8 pad; 874 struct efi_ip_address station_ip; 875 struct efi_ip_address subnet_mask; 876 struct efi_pxe_packet dhcp_discover; 877 struct efi_pxe_packet dhcp_ack; 878 struct efi_pxe_packet proxy_offer; 879 struct efi_pxe_packet pxe_discover; 880 struct efi_pxe_packet pxe_reply; 881 }; 882 883 struct efi_pxe { 884 u64 rev; 885 void (EFIAPI *start)(void); 886 void (EFIAPI *stop)(void); 887 void (EFIAPI *dhcp)(void); 888 void (EFIAPI *discover)(void); 889 void (EFIAPI *mftp)(void); 890 void (EFIAPI *udpwrite)(void); 891 void (EFIAPI *udpread)(void); 892 void (EFIAPI *setipfilter)(void); 893 void (EFIAPI *arp)(void); 894 void (EFIAPI *setparams)(void); 895 void (EFIAPI *setstationip)(void); 896 void (EFIAPI *setpackets)(void); 897 struct efi_pxe_mode *mode; 898 }; 899 900 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ 901 EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ 902 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 903 #define EFI_FILE_PROTOCOL_REVISION 0x00010000 904 905 struct efi_file_handle { 906 u64 rev; 907 efi_status_t (EFIAPI *open)(struct efi_file_handle *file, 908 struct efi_file_handle **new_handle, 909 s16 *file_name, u64 open_mode, u64 attributes); 910 efi_status_t (EFIAPI *close)(struct efi_file_handle *file); 911 efi_status_t (EFIAPI *delete)(struct efi_file_handle *file); 912 efi_status_t (EFIAPI *read)(struct efi_file_handle *file, 913 efi_uintn_t *buffer_size, void *buffer); 914 efi_status_t (EFIAPI *write)(struct efi_file_handle *file, 915 efi_uintn_t *buffer_size, void *buffer); 916 efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file, 917 u64 *pos); 918 efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file, 919 u64 pos); 920 efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file, 921 const efi_guid_t *info_type, efi_uintn_t *buffer_size, 922 void *buffer); 923 efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file, 924 const efi_guid_t *info_type, efi_uintn_t buffer_size, 925 void *buffer); 926 efi_status_t (EFIAPI *flush)(struct efi_file_handle *file); 927 }; 928 929 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \ 930 EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \ 931 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 932 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000 933 934 struct efi_simple_file_system_protocol { 935 u64 rev; 936 efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this, 937 struct efi_file_handle **root); 938 }; 939 940 #define EFI_FILE_INFO_GUID \ 941 EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \ 942 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 943 944 #define EFI_FILE_SYSTEM_INFO_GUID \ 945 EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \ 946 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b) 947 948 #define EFI_FILE_MODE_READ 0x0000000000000001 949 #define EFI_FILE_MODE_WRITE 0x0000000000000002 950 #define EFI_FILE_MODE_CREATE 0x8000000000000000 951 952 #define EFI_FILE_READ_ONLY 0x0000000000000001 953 #define EFI_FILE_HIDDEN 0x0000000000000002 954 #define EFI_FILE_SYSTEM 0x0000000000000004 955 #define EFI_FILE_RESERVED 0x0000000000000008 956 #define EFI_FILE_DIRECTORY 0x0000000000000010 957 #define EFI_FILE_ARCHIVE 0x0000000000000020 958 #define EFI_FILE_VALID_ATTR 0x0000000000000037 959 960 struct efi_file_info { 961 u64 size; 962 u64 file_size; 963 u64 physical_size; 964 struct efi_time create_time; 965 struct efi_time last_access_time; 966 struct efi_time modification_time; 967 u64 attribute; 968 u16 file_name[0]; 969 }; 970 971 struct efi_file_system_info { 972 u64 size; 973 u8 read_only; 974 u64 volume_size; 975 u64 free_space; 976 u32 block_size; 977 u16 volume_label[0]; 978 }; 979 980 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \ 981 EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\ 982 0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71) 983 struct efi_driver_binding_protocol { 984 efi_status_t (EFIAPI * supported)( 985 struct efi_driver_binding_protocol *this, 986 efi_handle_t controller_handle, 987 struct efi_device_path *remaining_device_path); 988 efi_status_t (EFIAPI * start)( 989 struct efi_driver_binding_protocol *this, 990 efi_handle_t controller_handle, 991 struct efi_device_path *remaining_device_path); 992 efi_status_t (EFIAPI * stop)( 993 struct efi_driver_binding_protocol *this, 994 efi_handle_t controller_handle, 995 efi_uintn_t number_of_children, 996 efi_handle_t *child_handle_buffer); 997 u32 version; 998 efi_handle_t image_handle; 999 efi_handle_t driver_binding_handle; 1000 }; 1001 1002 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \ 1003 EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \ 1004 0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49) 1005 struct efi_unicode_collation_protocol { 1006 efi_intn_t (EFIAPI *stri_coll)( 1007 struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2); 1008 bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this, 1009 const u16 *string, const u16 *patter); 1010 void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol 1011 *this, u16 *string); 1012 void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this, 1013 u16 *string); 1014 void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this, 1015 efi_uintn_t fat_size, char *fat, u16 *string); 1016 bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this, 1017 const u16 *string, efi_uintn_t fat_size, 1018 char *fat); 1019 char *supported_languages; 1020 }; 1021 1022 #endif 1023