include/efi_api.h

   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                                            efi_uintn_t *exitdata_size,
 119                                            u16 **exitdata);
 120         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 121                                     efi_status_t exit_status,
 122                                     efi_uintn_t exitdata_size, u16 *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                                             const efi_guid_t *vendor,
 225                                             u32 *attributes,
 226                                             efi_uintn_t *data_size, void *data);
 227         efi_status_t (EFIAPI *get_next_variable_name)(
 228                         efi_uintn_t *variable_name_size,
 229                         u16 *variable_name, const efi_guid_t *vendor);
 230         efi_status_t (EFIAPI *set_variable)(u16 *variable_name,
 231                                             const efi_guid_t *vendor,
 232                                             u32 attributes,
 233                                             efi_uintn_t data_size, void *data);
 234         efi_status_t (EFIAPI *get_next_high_mono_count)(
 235                         uint32_t *high_count);
 236         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 237                                     efi_status_t reset_status,
 238                                     unsigned long data_size, void *reset_data);
 239         efi_status_t (EFIAPI *update_capsule)(
 240                         struct efi_capsule_header **capsule_header_array,
 241                         efi_uintn_t capsule_count,
 242                         u64 scatter_gather_list);
 243         efi_status_t (EFIAPI *query_capsule_caps)(
 244                         struct efi_capsule_header **capsule_header_array,
 245                         efi_uintn_t capsule_count,
 246                         u64 *maximum_capsule_size,
 247                         u32 *reset_type);
 248         efi_status_t (EFIAPI *query_variable_info)(
 249                         u32 attributes,
 250                         u64 *maximum_variable_storage_size,
 251                         u64 *remaining_variable_storage_size,
 252                         u64 *maximum_variable_size);
 253 };
 254
 255 /* EFI event group GUID definitions */
 256 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \
 257         EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \
 258                  0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf)
 259
 260 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \
 261         EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \
 262                  0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96)
 263
 264 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \
 265         EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \
 266                  0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab)
 267
 268 #define EFI_EVENT_GROUP_READY_TO_BOOT \
 269         EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \
 270                  0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b)
 271
 272 #define EFI_EVENT_GROUP_RESET_SYSTEM \
 273         EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \
 274                  0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b)
 275
 276 /* EFI Configuration Table and GUID definitions */
 277 #define NULL_GUID \
 278         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 279                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 280
 281 #define EFI_GLOBAL_VARIABLE_GUID \
 282         EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
 283                  0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
 284
 285 #define LOADED_IMAGE_PROTOCOL_GUID \
 286         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 287                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 288
 289 #define EFI_FDT_GUID \
 290         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 291                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 292
 293 #define EFI_ACPI_TABLE_GUID \
 294         EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \
 295                  0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
 296
 297 #define SMBIOS_TABLE_GUID \
 298         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 299                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 300
 301 struct efi_configuration_table {
 302         efi_guid_t guid;
 303         void *table;
 304 } __packed;
 305
 306 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 307
 308 struct efi_system_table {
 309         struct efi_table_hdr hdr;
 310         u16 *fw_vendor;   /* physical addr of wchar_t vendor string */
 311         u32 fw_revision;
 312         efi_handle_t con_in_handle;
 313         struct efi_simple_text_input_protocol *con_in;
 314         efi_handle_t con_out_handle;
 315         struct efi_simple_text_output_protocol *con_out;
 316         efi_handle_t stderr_handle;
 317         struct efi_simple_text_output_protocol *std_err;
 318         struct efi_runtime_services *runtime;
 319         struct efi_boot_services *boottime;
 320         efi_uintn_t nr_tables;
 321         struct efi_configuration_table *tables;
 322 };
 323
 324 #define LOADED_IMAGE_GUID \
 325         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 326                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 327
 328 #define EFI_LOADED_IMAGE_PROTOCOL_REVISION 0x1000
 329
 330 struct efi_loaded_image {
 331         u32 revision;
 332         void *parent_handle;
 333         struct efi_system_table *system_table;
 334         efi_handle_t device_handle;
 335         struct efi_device_path *file_path;
 336         void *reserved;
 337         u32 load_options_size;
 338         void *load_options;
 339         void *image_base;
 340         aligned_u64 image_size;
 341         unsigned int image_code_type;
 342         unsigned int image_data_type;
 343         unsigned long unload;
 344 };
 345
 346 #define DEVICE_PATH_GUID \
 347         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 348                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 349
 350 #define DEVICE_PATH_TYPE_END                    0x7f
 351 #  define DEVICE_PATH_SUB_TYPE_INSTANCE_END     0x01
 352 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 353
 354 struct efi_device_path {
 355         u8 type;
 356         u8 sub_type;
 357         u16 length;
 358 } __packed;
 359
 360 struct efi_mac_addr {
 361         u8 addr[32];
 362 } __packed;
 363
 364 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 365 #  define DEVICE_PATH_SUB_TYPE_MEMORY           0x03
 366 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 367
 368 struct efi_device_path_memory {
 369         struct efi_device_path dp;
 370         u32 memory_type;
 371         u64 start_address;
 372         u64 end_address;
 373 } __packed;
 374
 375 struct efi_device_path_vendor {
 376         struct efi_device_path dp;
 377         efi_guid_t guid;
 378         u8 vendor_data[];
 379 } __packed;
 380
 381 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 382 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 383
 384 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 385 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 386 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 387
 388 struct efi_device_path_acpi_path {
 389         struct efi_device_path dp;
 390         u32 hid;
 391         u32 uid;
 392 } __packed;
 393
 394 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 395 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI        0x01
 396 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI         0x02
 397 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 398 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 399 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 400 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 401 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 402
 403 struct efi_device_path_atapi {
 404         struct efi_device_path dp;
 405         u8 primary_secondary;
 406         u8 slave_master;
 407         u16 logical_unit_number;
 408 } __packed;
 409
 410 struct efi_device_path_scsi {
 411         struct efi_device_path dp;
 412         u16 target_id;
 413         u16 logical_unit_number;
 414 } __packed;
 415
 416 struct efi_device_path_usb {
 417         struct efi_device_path dp;
 418         u8 parent_port_number;
 419         u8 usb_interface;
 420 } __packed;
 421
 422 struct efi_device_path_mac_addr {
 423         struct efi_device_path dp;
 424         struct efi_mac_addr mac;
 425         u8 if_type;
 426 } __packed;
 427
 428 struct efi_device_path_usb_class {
 429         struct efi_device_path dp;
 430         u16 vendor_id;
 431         u16 product_id;
 432         u8 device_class;
 433         u8 device_subclass;
 434         u8 device_protocol;
 435 } __packed;
 436
 437 struct efi_device_path_sd_mmc_path {
 438         struct efi_device_path dp;
 439         u8 slot_number;
 440 } __packed;
 441
 442 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 443 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 444 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 445 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 446
 447 struct efi_device_path_hard_drive_path {
 448         struct efi_device_path dp;
 449         u32 partition_number;
 450         u64 partition_start;
 451         u64 partition_end;
 452         u8 partition_signature[16];
 453         u8 partmap_type;
 454         u8 signature_type;
 455 } __packed;
 456
 457 struct efi_device_path_cdrom_path {
 458         struct efi_device_path dp;
 459         u32 boot_entry;
 460         u64 partition_start;
 461         u64 partition_end;
 462 } __packed;
 463
 464 struct efi_device_path_file_path {
 465         struct efi_device_path dp;
 466         u16 str[];
 467 } __packed;
 468
 469 #define BLOCK_IO_GUID \
 470         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 471                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 472
 473 struct efi_block_io_media {
 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 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 519         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 520                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 521
 522 #define EFI_BLACK                0x00
 523 #define EFI_BLUE                 0x01
 524 #define EFI_GREEN                0x02
 525 #define EFI_CYAN                 0x03
 526 #define EFI_RED                  0x04
 527 #define EFI_MAGENTA              0x05
 528 #define EFI_BROWN                0x06
 529 #define EFI_LIGHTGRAY            0x07
 530 #define EFI_BRIGHT               0x08
 531 #define EFI_DARKGRAY             0x08
 532 #define EFI_LIGHTBLUE            0x09
 533 #define EFI_LIGHTGREEN           0x0a
 534 #define EFI_LIGHTCYAN            0x0b
 535 #define EFI_LIGHTRED             0x0c
 536 #define EFI_LIGHTMAGENTA         0x0d
 537 #define EFI_YELLOW               0x0e
 538 #define EFI_WHITE                0x0f
 539 #define EFI_BACKGROUND_BLACK     0x00
 540 #define EFI_BACKGROUND_BLUE      0x10
 541 #define EFI_BACKGROUND_GREEN     0x20
 542 #define EFI_BACKGROUND_CYAN      0x30
 543 #define EFI_BACKGROUND_RED       0x40
 544 #define EFI_BACKGROUND_MAGENTA   0x50
 545 #define EFI_BACKGROUND_BROWN     0x60
 546 #define EFI_BACKGROUND_LIGHTGRAY 0x70
 547
 548 /* extract foreground color from EFI attribute */
 549 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
 550 /* treat high bit of FG as bright/bold (similar to edk2) */
 551 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
 552 /* extract background color from EFI attribute */
 553 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
 554
 555 struct efi_simple_text_output_protocol {
 556         void *reset;
 557         efi_status_t (EFIAPI *output_string)(
 558                         struct efi_simple_text_output_protocol *this,
 559                         const efi_string_t str);
 560         efi_status_t (EFIAPI *test_string)(
 561                         struct efi_simple_text_output_protocol *this,
 562                         const efi_string_t str);
 563         efi_status_t(EFIAPI *query_mode)(
 564                         struct efi_simple_text_output_protocol *this,
 565                         unsigned long mode_number, unsigned long *columns,
 566                         unsigned long *rows);
 567         efi_status_t(EFIAPI *set_mode)(
 568                         struct efi_simple_text_output_protocol *this,
 569                         unsigned long mode_number);
 570         efi_status_t(EFIAPI *set_attribute)(
 571                         struct efi_simple_text_output_protocol *this,
 572                         unsigned long attribute);
 573         efi_status_t(EFIAPI *clear_screen) (
 574                         struct efi_simple_text_output_protocol *this);
 575         efi_status_t(EFIAPI *set_cursor_position) (
 576                         struct efi_simple_text_output_protocol *this,
 577                         unsigned long column, unsigned long row);
 578         efi_status_t(EFIAPI *enable_cursor)(
 579                         struct efi_simple_text_output_protocol *this,
 580                         bool enable);
 581         struct simple_text_output_mode *mode;
 582 };
 583
 584 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
 585         EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \
 586                  0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa)
 587
 588 struct efi_input_key {
 589         u16 scan_code;
 590         s16 unicode_char;
 591 };
 592
 593 #define EFI_SHIFT_STATE_INVALID         0x00000000
 594 #define EFI_RIGHT_SHIFT_PRESSED         0x00000001
 595 #define EFI_LEFT_SHIFT_PRESSED          0x00000002
 596 #define EFI_RIGHT_CONTROL_PRESSED       0x00000004
 597 #define EFI_LEFT_CONTROL_PRESSED        0x00000008
 598 #define EFI_RIGHT_ALT_PRESSED           0x00000010
 599 #define EFI_LEFT_ALT_PRESSED            0x00000020
 600 #define EFI_RIGHT_LOGO_PRESSED          0x00000040
 601 #define EFI_LEFT_LOGO_PRESSED           0x00000080
 602 #define EFI_MENU_KEY_PRESSED            0x00000100
 603 #define EFI_SYS_REQ_PRESSED             0x00000200
 604 #define EFI_SHIFT_STATE_VALID           0x80000000
 605
 606 #define EFI_TOGGLE_STATE_INVALID        0x00
 607 #define EFI_SCROLL_LOCK_ACTIVE          0x01
 608 #define EFI_NUM_LOCK_ACTIVE             0x02
 609 #define EFI_CAPS_LOCK_ACTIVE            0x04
 610 #define EFI_KEY_STATE_EXPOSED           0x40
 611 #define EFI_TOGGLE_STATE_VALID          0x80
 612
 613 struct efi_key_state {
 614         u32 key_shift_state;
 615         u8 key_toggle_state;
 616 };
 617
 618 struct efi_key_data {
 619         struct efi_input_key key;
 620         struct efi_key_state key_state;
 621 };
 622
 623 struct efi_simple_text_input_ex_protocol {
 624         efi_status_t (EFIAPI *reset) (
 625                 struct efi_simple_text_input_ex_protocol *this,
 626                 bool extended_verification);
 627         efi_status_t (EFIAPI *read_key_stroke_ex) (
 628                 struct efi_simple_text_input_ex_protocol *this,
 629                 struct efi_key_data *key_data);
 630         struct efi_event *wait_for_key_ex;
 631         efi_status_t (EFIAPI *set_state) (
 632                 struct efi_simple_text_input_ex_protocol *this,
 633                 u8 key_toggle_state);
 634         efi_status_t (EFIAPI *register_key_notify) (
 635                 struct efi_simple_text_input_ex_protocol *this,
 636                 struct efi_key_data *key_data,
 637                 efi_status_t (EFIAPI *key_notify_function)(
 638                         struct efi_key_data *key_data),
 639                 void **notify_handle);
 640         efi_status_t (EFIAPI *unregister_key_notify) (
 641                 struct efi_simple_text_input_ex_protocol *this,
 642                 void *notification_handle);
 643 };
 644
 645 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 646         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 647                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 648
 649 struct efi_simple_text_input_protocol {
 650         efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this,
 651                                     bool extended_verification);
 652         efi_status_t(EFIAPI *read_key_stroke)(
 653                         struct efi_simple_text_input_protocol *this,
 654                         struct efi_input_key *key);
 655         struct efi_event *wait_for_key;
 656 };
 657
 658 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 659         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 660                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 661
 662 struct efi_device_path_to_text_protocol {
 663         uint16_t *(EFIAPI *convert_device_node_to_text)(
 664                         struct efi_device_path *device_node,
 665                         bool display_only,
 666                         bool allow_shortcuts);
 667         uint16_t *(EFIAPI *convert_device_path_to_text)(
 668                         struct efi_device_path *device_path,
 669                         bool display_only,
 670                         bool allow_shortcuts);
 671 };
 672
 673 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
 674         EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
 675                  0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
 676
 677 struct efi_device_path_utilities_protocol {
 678         efi_uintn_t (EFIAPI *get_device_path_size)(
 679                 const struct efi_device_path *device_path);
 680         struct efi_device_path *(EFIAPI *duplicate_device_path)(
 681                 const struct efi_device_path *device_path);
 682         struct efi_device_path *(EFIAPI *append_device_path)(
 683                 const struct efi_device_path *src1,
 684                 const struct efi_device_path *src2);
 685         struct efi_device_path *(EFIAPI *append_device_node)(
 686                 const struct efi_device_path *device_path,
 687                 const struct efi_device_path *device_node);
 688         struct efi_device_path *(EFIAPI *append_device_path_instance)(
 689                 const struct efi_device_path *device_path,
 690                 const struct efi_device_path *device_path_instance);
 691         struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
 692                 struct efi_device_path **device_path_instance,
 693                 efi_uintn_t *device_path_instance_size);
 694         bool (EFIAPI *is_device_path_multi_instance)(
 695                 const struct efi_device_path *device_path);
 696         struct efi_device_path *(EFIAPI *create_device_node)(
 697                 uint8_t node_type,
 698                 uint8_t node_sub_type,
 699                 uint16_t node_length);
 700 };
 701
 702 #define EFI_GOP_GUID \
 703         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 704                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 705
 706 #define EFI_GOT_RGBA8           0
 707 #define EFI_GOT_BGRA8           1
 708 #define EFI_GOT_BITMASK         2
 709
 710 struct efi_gop_mode_info {
 711         u32 version;
 712         u32 width;
 713         u32 height;
 714         u32 pixel_format;
 715         u32 pixel_bitmask[4];
 716         u32 pixels_per_scanline;
 717 };
 718
 719 struct efi_gop_mode {
 720         u32 max_mode;
 721         u32 mode;
 722         struct efi_gop_mode_info *info;
 723         unsigned long info_size;
 724         efi_physical_addr_t fb_base;
 725         unsigned long fb_size;
 726 };
 727
 728 struct efi_gop_pixel {
 729         u8 blue;
 730         u8 green;
 731         u8 red;
 732         u8 reserved;
 733 };
 734
 735 #define EFI_BLT_VIDEO_FILL              0
 736 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 737 #define EFI_BLT_BUFFER_TO_VIDEO         2
 738 #define EFI_BLT_VIDEO_TO_VIDEO          3
 739
 740 struct efi_gop {
 741         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 742                                           efi_uintn_t *size_of_info,
 743                                           struct efi_gop_mode_info **info);
 744         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 745         efi_status_t (EFIAPI *blt)(struct efi_gop *this,
 746                                    struct efi_gop_pixel *buffer,
 747                                    u32 operation, efi_uintn_t sx,
 748                                    efi_uintn_t sy, efi_uintn_t dx,
 749                                    efi_uintn_t dy, efi_uintn_t width,
 750                                    efi_uintn_t height, efi_uintn_t delta);
 751         struct efi_gop_mode *mode;
 752 };
 753
 754 #define EFI_SIMPLE_NETWORK_GUID \
 755         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 756                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 757
 758 struct efi_mac_address {
 759         char mac_addr[32];
 760 };
 761
 762 struct efi_ip_address {
 763         u8 ip_addr[16];
 764 } __attribute__((aligned(4)));
 765
 766 enum efi_simple_network_state {
 767         EFI_NETWORK_STOPPED,
 768         EFI_NETWORK_STARTED,
 769         EFI_NETWORK_INITIALIZED,
 770 };
 771
 772 struct efi_simple_network_mode {
 773         enum efi_simple_network_state state;
 774         u32 hwaddr_size;
 775         u32 media_header_size;
 776         u32 max_packet_size;
 777         u32 nvram_size;
 778         u32 nvram_access_size;
 779         u32 receive_filter_mask;
 780         u32 receive_filter_setting;
 781         u32 max_mcast_filter_count;
 782         u32 mcast_filter_count;
 783         struct efi_mac_address mcast_filter[16];
 784         struct efi_mac_address current_address;
 785         struct efi_mac_address broadcast_address;
 786         struct efi_mac_address permanent_address;
 787         u8 if_type;
 788         u8 mac_changeable;
 789         u8 multitx_supported;
 790         u8 media_present_supported;
 791         u8 media_present;
 792 };
 793
 794 /* receive_filters bit mask */
 795 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
 796 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
 797 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
 798 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
 799 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
 800
 801 /* interrupt status bit mask */
 802 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT    0x01
 803 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT   0x02
 804 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT    0x04
 805 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT   0x08
 806
 807 /* revision of the simple network protocol */
 808 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION    0x00010000
 809
 810 struct efi_simple_network {
 811         u64 revision;
 812         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 813         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 814         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 815                         ulong extra_rx, ulong extra_tx);
 816         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 817                         int extended_verification);
 818         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 819         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 820                         u32 enable, u32 disable, int reset_mcast_filter,
 821                         ulong mcast_filter_count,
 822                         struct efi_mac_address *mcast_filter);
 823         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 824                         int reset, struct efi_mac_address *new_mac);
 825         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 826                         int reset, ulong *stat_size, void *stat_table);
 827         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 828                         int ipv6, struct efi_ip_address *ip,
 829                         struct efi_mac_address *mac);
 830         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 831                         int read_write, ulong offset, ulong buffer_size,
 832                         char *buffer);
 833         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 834                         u32 *int_status, void **txbuf);
 835         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 836                         size_t header_size, size_t buffer_size, void *buffer,
 837                         struct efi_mac_address *src_addr,
 838                         struct efi_mac_address *dest_addr, u16 *protocol);
 839         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 840                         size_t *header_size, size_t *buffer_size, void *buffer,
 841                         struct efi_mac_address *src_addr,
 842                         struct efi_mac_address *dest_addr, u16 *protocol);
 843         struct efi_event *wait_for_packet;
 844         struct efi_simple_network_mode *mode;
 845 };
 846
 847 #define EFI_PXE_GUID \
 848         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 849                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 850
 851 struct efi_pxe_packet {
 852         u8 packet[1472];
 853 };
 854
 855 struct efi_pxe_mode {
 856         u8 started;
 857         u8 ipv6_available;
 858         u8 ipv6_supported;
 859         u8 using_ipv6;
 860         u8 bis_supported;
 861         u8 bis_detected;
 862         u8 auto_arp;
 863         u8 send_guid;
 864         u8 dhcp_discover_valid;
 865         u8 dhcp_ack_received;
 866         u8 proxy_offer_received;
 867         u8 pxe_discover_valid;
 868         u8 pxe_reply_received;
 869         u8 pxe_bis_reply_received;
 870         u8 icmp_error_received;
 871         u8 tftp_error_received;
 872         u8 make_callbacks;
 873         u8 ttl;
 874         u8 tos;
 875         u8 pad;
 876         struct efi_ip_address station_ip;
 877         struct efi_ip_address subnet_mask;
 878         struct efi_pxe_packet dhcp_discover;
 879         struct efi_pxe_packet dhcp_ack;
 880         struct efi_pxe_packet proxy_offer;
 881         struct efi_pxe_packet pxe_discover;
 882         struct efi_pxe_packet pxe_reply;
 883 };
 884
 885 struct efi_pxe {
 886         u64 rev;
 887         void (EFIAPI *start)(void);
 888         void (EFIAPI *stop)(void);
 889         void (EFIAPI *dhcp)(void);
 890         void (EFIAPI *discover)(void);
 891         void (EFIAPI *mftp)(void);
 892         void (EFIAPI *udpwrite)(void);
 893         void (EFIAPI *udpread)(void);
 894         void (EFIAPI *setipfilter)(void);
 895         void (EFIAPI *arp)(void);
 896         void (EFIAPI *setparams)(void);
 897         void (EFIAPI *setstationip)(void);
 898         void (EFIAPI *setpackets)(void);
 899         struct efi_pxe_mode *mode;
 900 };
 901
 902 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 903         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 904                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 905 #define EFI_FILE_PROTOCOL_REVISION 0x00010000
 906
 907 struct efi_file_handle {
 908         u64 rev;
 909         efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
 910                         struct efi_file_handle **new_handle,
 911                         s16 *file_name, u64 open_mode, u64 attributes);
 912         efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
 913         efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
 914         efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
 915                         efi_uintn_t *buffer_size, void *buffer);
 916         efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
 917                         efi_uintn_t *buffer_size, void *buffer);
 918         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
 919                                       u64 *pos);
 920         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
 921                                       u64 pos);
 922         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
 923                         const efi_guid_t *info_type, efi_uintn_t *buffer_size,
 924                         void *buffer);
 925         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
 926                         const efi_guid_t *info_type, efi_uintn_t buffer_size,
 927                         void *buffer);
 928         efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
 929 };
 930
 931 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 932         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 933                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 934 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
 935
 936 struct efi_simple_file_system_protocol {
 937         u64 rev;
 938         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
 939                         struct efi_file_handle **root);
 940 };
 941
 942 #define EFI_FILE_INFO_GUID \
 943         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
 944                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 945
 946 #define EFI_FILE_SYSTEM_INFO_GUID \
 947         EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
 948                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 949
 950 #define EFI_FILE_MODE_READ      0x0000000000000001
 951 #define EFI_FILE_MODE_WRITE     0x0000000000000002
 952 #define EFI_FILE_MODE_CREATE    0x8000000000000000
 953
 954 #define EFI_FILE_READ_ONLY      0x0000000000000001
 955 #define EFI_FILE_HIDDEN         0x0000000000000002
 956 #define EFI_FILE_SYSTEM         0x0000000000000004
 957 #define EFI_FILE_RESERVED       0x0000000000000008
 958 #define EFI_FILE_DIRECTORY      0x0000000000000010
 959 #define EFI_FILE_ARCHIVE        0x0000000000000020
 960 #define EFI_FILE_VALID_ATTR     0x0000000000000037
 961
 962 struct efi_file_info {
 963         u64 size;
 964         u64 file_size;
 965         u64 physical_size;
 966         struct efi_time create_time;
 967         struct efi_time last_access_time;
 968         struct efi_time modification_time;
 969         u64 attribute;
 970         u16 file_name[0];
 971 };
 972
 973 struct efi_file_system_info {
 974         u64 size;
 975         u8 read_only;
 976         u64 volume_size;
 977         u64 free_space;
 978         u32 block_size;
 979         u16 volume_label[0];
 980 };
 981
 982 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
 983         EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
 984                  0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
 985 struct efi_driver_binding_protocol {
 986         efi_status_t (EFIAPI * supported)(
 987                         struct efi_driver_binding_protocol *this,
 988                         efi_handle_t controller_handle,
 989                         struct efi_device_path *remaining_device_path);
 990         efi_status_t (EFIAPI * start)(
 991                         struct efi_driver_binding_protocol *this,
 992                         efi_handle_t controller_handle,
 993                         struct efi_device_path *remaining_device_path);
 994         efi_status_t (EFIAPI * stop)(
 995                         struct efi_driver_binding_protocol *this,
 996                         efi_handle_t controller_handle,
 997                         efi_uintn_t number_of_children,
 998                         efi_handle_t *child_handle_buffer);
 999         u32 version;
1000         efi_handle_t image_handle;
1001         efi_handle_t driver_binding_handle;
1002 };
1003
1004 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
1005         EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
1006                  0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
1007 struct efi_unicode_collation_protocol {
1008         efi_intn_t (EFIAPI *stri_coll)(
1009                 struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2);
1010         bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this,
1011                                    const u16 *string, const u16 *patter);
1012         void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol
1013                                *this, u16 *string);
1014         void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this,
1015                                u16 *string);
1016         void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this,
1017                                   efi_uintn_t fat_size, char *fat, u16 *string);
1018         bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this,
1019                                   const u16 *string, efi_uintn_t fat_size,
1020                                   char *fat);
1021         char *supported_languages;
1022 };
1023
1024 #endif