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                         void **handle, const efi_guid_t *protocol,
  89                         int protocol_interface_type, void *protocol_interface);
  90         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  91                         void *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                         void **handle, ...);
 168         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 169                         void *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         /* Below are efi loader private fields */
 344 #ifdef CONFIG_EFI_LOADER
 345         void *reloc_base;
 346         aligned_u64 reloc_size;
 347         efi_status_t exit_status;
 348         struct jmp_buf_data exit_jmp;
 349 #endif
 350 };
 351
 352 #define DEVICE_PATH_GUID \
 353         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 354                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 355
 356 #define DEVICE_PATH_TYPE_END                    0x7f
 357 #  define DEVICE_PATH_SUB_TYPE_INSTANCE_END     0x01
 358 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 359
 360 struct efi_device_path {
 361         u8 type;
 362         u8 sub_type;
 363         u16 length;
 364 } __packed;
 365
 366 struct efi_mac_addr {
 367         u8 addr[32];
 368 } __packed;
 369
 370 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 371 #  define DEVICE_PATH_SUB_TYPE_MEMORY           0x03
 372 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 373
 374 struct efi_device_path_memory {
 375         struct efi_device_path dp;
 376         u32 memory_type;
 377         u64 start_address;
 378         u64 end_address;
 379 } __packed;
 380
 381 struct efi_device_path_vendor {
 382         struct efi_device_path dp;
 383         efi_guid_t guid;
 384         u8 vendor_data[];
 385 } __packed;
 386
 387 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 388 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 389
 390 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 391 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 392 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 393
 394 struct efi_device_path_acpi_path {
 395         struct efi_device_path dp;
 396         u32 hid;
 397         u32 uid;
 398 } __packed;
 399
 400 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 401 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI        0x01
 402 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI         0x02
 403 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 404 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 405 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 406 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 407 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 408
 409 struct efi_device_path_atapi {
 410         struct efi_device_path dp;
 411         u8 primary_secondary;
 412         u8 slave_master;
 413         u16 logical_unit_number;
 414 } __packed;
 415
 416 struct efi_device_path_scsi {
 417         struct efi_device_path dp;
 418         u16 target_id;
 419         u16 logical_unit_number;
 420 } __packed;
 421
 422 struct efi_device_path_usb {
 423         struct efi_device_path dp;
 424         u8 parent_port_number;
 425         u8 usb_interface;
 426 } __packed;
 427
 428 struct efi_device_path_mac_addr {
 429         struct efi_device_path dp;
 430         struct efi_mac_addr mac;
 431         u8 if_type;
 432 } __packed;
 433
 434 struct efi_device_path_usb_class {
 435         struct efi_device_path dp;
 436         u16 vendor_id;
 437         u16 product_id;
 438         u8 device_class;
 439         u8 device_subclass;
 440         u8 device_protocol;
 441 } __packed;
 442
 443 struct efi_device_path_sd_mmc_path {
 444         struct efi_device_path dp;
 445         u8 slot_number;
 446 } __packed;
 447
 448 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 449 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 450 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 451 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 452
 453 struct efi_device_path_hard_drive_path {
 454         struct efi_device_path dp;
 455         u32 partition_number;
 456         u64 partition_start;
 457         u64 partition_end;
 458         u8 partition_signature[16];
 459         u8 partmap_type;
 460         u8 signature_type;
 461 } __packed;
 462
 463 struct efi_device_path_cdrom_path {
 464         struct efi_device_path dp;
 465         u32 boot_entry;
 466         u64 partition_start;
 467         u64 partition_end;
 468 } __packed;
 469
 470 struct efi_device_path_file_path {
 471         struct efi_device_path dp;
 472         u16 str[];
 473 } __packed;
 474
 475 #define BLOCK_IO_GUID \
 476         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 477                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 478
 479 struct efi_block_io_media {
 480         u32 media_id;
 481         char removable_media;
 482         char media_present;
 483         char logical_partition;
 484         char read_only;
 485         char write_caching;
 486         u8 pad[3];
 487         u32 block_size;
 488         u32 io_align;
 489         u8 pad2[4];
 490         u64 last_block;
 491         /* Added in revision 2 of the protocol */
 492         u64 lowest_aligned_lba;
 493         u32 logical_blocks_per_physical_block;
 494         /* Added in revision 3 of the protocol */
 495         u32 optimal_transfer_length_granualarity;
 496 };
 497
 498 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
 499 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
 500
 501 struct efi_block_io {
 502         u64 revision;
 503         struct efi_block_io_media *media;
 504         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 505                         char extended_verification);
 506         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 507                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 508                         void *buffer);
 509         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 510                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 511                         void *buffer);
 512         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 513 };
 514
 515 struct simple_text_output_mode {
 516         s32 max_mode;
 517         s32 mode;
 518         s32 attribute;
 519         s32 cursor_column;
 520         s32 cursor_row;
 521         bool cursor_visible;
 522 };
 523
 524 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 525         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 526                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 527
 528 #define EFI_BLACK                0x00
 529 #define EFI_BLUE                 0x01
 530 #define EFI_GREEN                0x02
 531 #define EFI_CYAN                 0x03
 532 #define EFI_RED                  0x04
 533 #define EFI_MAGENTA              0x05
 534 #define EFI_BROWN                0x06
 535 #define EFI_LIGHTGRAY            0x07
 536 #define EFI_BRIGHT               0x08
 537 #define EFI_DARKGRAY             0x08
 538 #define EFI_LIGHTBLUE            0x09
 539 #define EFI_LIGHTGREEN           0x0a
 540 #define EFI_LIGHTCYAN            0x0b
 541 #define EFI_LIGHTRED             0x0c
 542 #define EFI_LIGHTMAGENTA         0x0d
 543 #define EFI_YELLOW               0x0e
 544 #define EFI_WHITE                0x0f
 545 #define EFI_BACKGROUND_BLACK     0x00
 546 #define EFI_BACKGROUND_BLUE      0x10
 547 #define EFI_BACKGROUND_GREEN     0x20
 548 #define EFI_BACKGROUND_CYAN      0x30
 549 #define EFI_BACKGROUND_RED       0x40
 550 #define EFI_BACKGROUND_MAGENTA   0x50
 551 #define EFI_BACKGROUND_BROWN     0x60
 552 #define EFI_BACKGROUND_LIGHTGRAY 0x70
 553
 554 /* extract foreground color from EFI attribute */
 555 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
 556 /* treat high bit of FG as bright/bold (similar to edk2) */
 557 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
 558 /* extract background color from EFI attribute */
 559 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
 560
 561 struct efi_simple_text_output_protocol {
 562         void *reset;
 563         efi_status_t (EFIAPI *output_string)(
 564                         struct efi_simple_text_output_protocol *this,
 565                         const efi_string_t str);
 566         efi_status_t (EFIAPI *test_string)(
 567                         struct efi_simple_text_output_protocol *this,
 568                         const efi_string_t str);
 569         efi_status_t(EFIAPI *query_mode)(
 570                         struct efi_simple_text_output_protocol *this,
 571                         unsigned long mode_number, unsigned long *columns,
 572                         unsigned long *rows);
 573         efi_status_t(EFIAPI *set_mode)(
 574                         struct efi_simple_text_output_protocol *this,
 575                         unsigned long mode_number);
 576         efi_status_t(EFIAPI *set_attribute)(
 577                         struct efi_simple_text_output_protocol *this,
 578                         unsigned long attribute);
 579         efi_status_t(EFIAPI *clear_screen) (
 580                         struct efi_simple_text_output_protocol *this);
 581         efi_status_t(EFIAPI *set_cursor_position) (
 582                         struct efi_simple_text_output_protocol *this,
 583                         unsigned long column, unsigned long row);
 584         efi_status_t(EFIAPI *enable_cursor)(
 585                         struct efi_simple_text_output_protocol *this,
 586                         bool enable);
 587         struct simple_text_output_mode *mode;
 588 };
 589
 590 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
 591         EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \
 592                  0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa)
 593
 594 struct efi_input_key {
 595         u16 scan_code;
 596         s16 unicode_char;
 597 };
 598
 599 #define EFI_SHIFT_STATE_INVALID         0x00000000
 600 #define EFI_RIGHT_SHIFT_PRESSED         0x00000001
 601 #define EFI_LEFT_SHIFT_PRESSED          0x00000002
 602 #define EFI_RIGHT_CONTROL_PRESSED       0x00000004
 603 #define EFI_LEFT_CONTROL_PRESSED        0x00000008
 604 #define EFI_RIGHT_ALT_PRESSED           0x00000010
 605 #define EFI_LEFT_ALT_PRESSED            0x00000020
 606 #define EFI_RIGHT_LOGO_PRESSED          0x00000040
 607 #define EFI_LEFT_LOGO_PRESSED           0x00000080
 608 #define EFI_MENU_KEY_PRESSED            0x00000100
 609 #define EFI_SYS_REQ_PRESSED             0x00000200
 610 #define EFI_SHIFT_STATE_VALID           0x80000000
 611
 612 #define EFI_TOGGLE_STATE_INVALID        0x00
 613 #define EFI_SCROLL_LOCK_ACTIVE          0x01
 614 #define EFI_NUM_LOCK_ACTIVE             0x02
 615 #define EFI_CAPS_LOCK_ACTIVE            0x04
 616 #define EFI_KEY_STATE_EXPOSED           0x40
 617 #define EFI_TOGGLE_STATE_VALID          0x80
 618
 619 struct efi_key_state {
 620         u32 key_shift_state;
 621         u8 key_toggle_state;
 622 };
 623
 624 struct efi_key_data {
 625         struct efi_input_key key;
 626         struct efi_key_state key_state;
 627 };
 628
 629 struct efi_simple_text_input_ex_protocol {
 630         efi_status_t (EFIAPI *reset) (
 631                 struct efi_simple_text_input_ex_protocol *this,
 632                 bool extended_verification);
 633         efi_status_t (EFIAPI *read_key_stroke_ex) (
 634                 struct efi_simple_text_input_ex_protocol *this,
 635                 struct efi_key_data *key_data);
 636         struct efi_event *wait_for_key_ex;
 637         efi_status_t (EFIAPI *set_state) (
 638                 struct efi_simple_text_input_ex_protocol *this,
 639                 u8 key_toggle_state);
 640         efi_status_t (EFIAPI *register_key_notify) (
 641                 struct efi_simple_text_input_ex_protocol *this,
 642                 struct efi_key_data *key_data,
 643                 efi_status_t (EFIAPI *key_notify_function)(
 644                         struct efi_key_data *key_data),
 645                 void **notify_handle);
 646         efi_status_t (EFIAPI *unregister_key_notify) (
 647                 struct efi_simple_text_input_ex_protocol *this,
 648                 void *notification_handle);
 649 };
 650
 651 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 652         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 653                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 654
 655 struct efi_simple_text_input_protocol {
 656         efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this,
 657                                     bool extended_verification);
 658         efi_status_t(EFIAPI *read_key_stroke)(
 659                         struct efi_simple_text_input_protocol *this,
 660                         struct efi_input_key *key);
 661         struct efi_event *wait_for_key;
 662 };
 663
 664 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 665         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 666                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 667
 668 struct efi_device_path_to_text_protocol {
 669         uint16_t *(EFIAPI *convert_device_node_to_text)(
 670                         struct efi_device_path *device_node,
 671                         bool display_only,
 672                         bool allow_shortcuts);
 673         uint16_t *(EFIAPI *convert_device_path_to_text)(
 674                         struct efi_device_path *device_path,
 675                         bool display_only,
 676                         bool allow_shortcuts);
 677 };
 678
 679 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
 680         EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
 681                  0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
 682
 683 struct efi_device_path_utilities_protocol {
 684         efi_uintn_t (EFIAPI *get_device_path_size)(
 685                 const struct efi_device_path *device_path);
 686         struct efi_device_path *(EFIAPI *duplicate_device_path)(
 687                 const struct efi_device_path *device_path);
 688         struct efi_device_path *(EFIAPI *append_device_path)(
 689                 const struct efi_device_path *src1,
 690                 const struct efi_device_path *src2);
 691         struct efi_device_path *(EFIAPI *append_device_node)(
 692                 const struct efi_device_path *device_path,
 693                 const struct efi_device_path *device_node);
 694         struct efi_device_path *(EFIAPI *append_device_path_instance)(
 695                 const struct efi_device_path *device_path,
 696                 const struct efi_device_path *device_path_instance);
 697         struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
 698                 struct efi_device_path **device_path_instance,
 699                 efi_uintn_t *device_path_instance_size);
 700         bool (EFIAPI *is_device_path_multi_instance)(
 701                 const struct efi_device_path *device_path);
 702         struct efi_device_path *(EFIAPI *create_device_node)(
 703                 uint8_t node_type,
 704                 uint8_t node_sub_type,
 705                 uint16_t node_length);
 706 };
 707
 708 #define EFI_GOP_GUID \
 709         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 710                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 711
 712 #define EFI_GOT_RGBA8           0
 713 #define EFI_GOT_BGRA8           1
 714 #define EFI_GOT_BITMASK         2
 715
 716 struct efi_gop_mode_info {
 717         u32 version;
 718         u32 width;
 719         u32 height;
 720         u32 pixel_format;
 721         u32 pixel_bitmask[4];
 722         u32 pixels_per_scanline;
 723 };
 724
 725 struct efi_gop_mode {
 726         u32 max_mode;
 727         u32 mode;
 728         struct efi_gop_mode_info *info;
 729         unsigned long info_size;
 730         efi_physical_addr_t fb_base;
 731         unsigned long fb_size;
 732 };
 733
 734 struct efi_gop_pixel {
 735         u8 blue;
 736         u8 green;
 737         u8 red;
 738         u8 reserved;
 739 };
 740
 741 #define EFI_BLT_VIDEO_FILL              0
 742 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 743 #define EFI_BLT_BUFFER_TO_VIDEO         2
 744 #define EFI_BLT_VIDEO_TO_VIDEO          3
 745
 746 struct efi_gop {
 747         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 748                                           efi_uintn_t *size_of_info,
 749                                           struct efi_gop_mode_info **info);
 750         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 751         efi_status_t (EFIAPI *blt)(struct efi_gop *this,
 752                                    struct efi_gop_pixel *buffer,
 753                                    u32 operation, efi_uintn_t sx,
 754                                    efi_uintn_t sy, efi_uintn_t dx,
 755                                    efi_uintn_t dy, efi_uintn_t width,
 756                                    efi_uintn_t height, efi_uintn_t delta);
 757         struct efi_gop_mode *mode;
 758 };
 759
 760 #define EFI_SIMPLE_NETWORK_GUID \
 761         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 762                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 763
 764 struct efi_mac_address {
 765         char mac_addr[32];
 766 };
 767
 768 struct efi_ip_address {
 769         u8 ip_addr[16];
 770 } __attribute__((aligned(4)));
 771
 772 enum efi_simple_network_state {
 773         EFI_NETWORK_STOPPED,
 774         EFI_NETWORK_STARTED,
 775         EFI_NETWORK_INITIALIZED,
 776 };
 777
 778 struct efi_simple_network_mode {
 779         enum efi_simple_network_state state;
 780         u32 hwaddr_size;
 781         u32 media_header_size;
 782         u32 max_packet_size;
 783         u32 nvram_size;
 784         u32 nvram_access_size;
 785         u32 receive_filter_mask;
 786         u32 receive_filter_setting;
 787         u32 max_mcast_filter_count;
 788         u32 mcast_filter_count;
 789         struct efi_mac_address mcast_filter[16];
 790         struct efi_mac_address current_address;
 791         struct efi_mac_address broadcast_address;
 792         struct efi_mac_address permanent_address;
 793         u8 if_type;
 794         u8 mac_changeable;
 795         u8 multitx_supported;
 796         u8 media_present_supported;
 797         u8 media_present;
 798 };
 799
 800 /* receive_filters bit mask */
 801 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
 802 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
 803 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
 804 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
 805 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
 806
 807 /* interrupt status bit mask */
 808 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT    0x01
 809 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT   0x02
 810 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT    0x04
 811 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT   0x08
 812
 813 /* revision of the simple network protocol */
 814 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION    0x00010000
 815
 816 struct efi_simple_network {
 817         u64 revision;
 818         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 819         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 820         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 821                         ulong extra_rx, ulong extra_tx);
 822         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 823                         int extended_verification);
 824         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 825         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 826                         u32 enable, u32 disable, int reset_mcast_filter,
 827                         ulong mcast_filter_count,
 828                         struct efi_mac_address *mcast_filter);
 829         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 830                         int reset, struct efi_mac_address *new_mac);
 831         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 832                         int reset, ulong *stat_size, void *stat_table);
 833         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 834                         int ipv6, struct efi_ip_address *ip,
 835                         struct efi_mac_address *mac);
 836         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 837                         int read_write, ulong offset, ulong buffer_size,
 838                         char *buffer);
 839         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 840                         u32 *int_status, void **txbuf);
 841         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 842                         size_t header_size, size_t buffer_size, void *buffer,
 843                         struct efi_mac_address *src_addr,
 844                         struct efi_mac_address *dest_addr, u16 *protocol);
 845         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 846                         size_t *header_size, size_t *buffer_size, void *buffer,
 847                         struct efi_mac_address *src_addr,
 848                         struct efi_mac_address *dest_addr, u16 *protocol);
 849         struct efi_event *wait_for_packet;
 850         struct efi_simple_network_mode *mode;
 851 };
 852
 853 #define EFI_PXE_GUID \
 854         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 855                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 856
 857 struct efi_pxe_packet {
 858         u8 packet[1472];
 859 };
 860
 861 struct efi_pxe_mode {
 862         u8 started;
 863         u8 ipv6_available;
 864         u8 ipv6_supported;
 865         u8 using_ipv6;
 866         u8 bis_supported;
 867         u8 bis_detected;
 868         u8 auto_arp;
 869         u8 send_guid;
 870         u8 dhcp_discover_valid;
 871         u8 dhcp_ack_received;
 872         u8 proxy_offer_received;
 873         u8 pxe_discover_valid;
 874         u8 pxe_reply_received;
 875         u8 pxe_bis_reply_received;
 876         u8 icmp_error_received;
 877         u8 tftp_error_received;
 878         u8 make_callbacks;
 879         u8 ttl;
 880         u8 tos;
 881         u8 pad;
 882         struct efi_ip_address station_ip;
 883         struct efi_ip_address subnet_mask;
 884         struct efi_pxe_packet dhcp_discover;
 885         struct efi_pxe_packet dhcp_ack;
 886         struct efi_pxe_packet proxy_offer;
 887         struct efi_pxe_packet pxe_discover;
 888         struct efi_pxe_packet pxe_reply;
 889 };
 890
 891 struct efi_pxe {
 892         u64 rev;
 893         void (EFIAPI *start)(void);
 894         void (EFIAPI *stop)(void);
 895         void (EFIAPI *dhcp)(void);
 896         void (EFIAPI *discover)(void);
 897         void (EFIAPI *mftp)(void);
 898         void (EFIAPI *udpwrite)(void);
 899         void (EFIAPI *udpread)(void);
 900         void (EFIAPI *setipfilter)(void);
 901         void (EFIAPI *arp)(void);
 902         void (EFIAPI *setparams)(void);
 903         void (EFIAPI *setstationip)(void);
 904         void (EFIAPI *setpackets)(void);
 905         struct efi_pxe_mode *mode;
 906 };
 907
 908 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 909         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 910                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 911 #define EFI_FILE_PROTOCOL_REVISION 0x00010000
 912
 913 struct efi_file_handle {
 914         u64 rev;
 915         efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
 916                         struct efi_file_handle **new_handle,
 917                         s16 *file_name, u64 open_mode, u64 attributes);
 918         efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
 919         efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
 920         efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
 921                         efi_uintn_t *buffer_size, void *buffer);
 922         efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
 923                         efi_uintn_t *buffer_size, void *buffer);
 924         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
 925                         efi_uintn_t *pos);
 926         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
 927                         efi_uintn_t pos);
 928         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
 929                         const efi_guid_t *info_type, efi_uintn_t *buffer_size,
 930                         void *buffer);
 931         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
 932                         const efi_guid_t *info_type, efi_uintn_t buffer_size,
 933                         void *buffer);
 934         efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
 935 };
 936
 937 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 938         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 939                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 940 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
 941
 942 struct efi_simple_file_system_protocol {
 943         u64 rev;
 944         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
 945                         struct efi_file_handle **root);
 946 };
 947
 948 #define EFI_FILE_INFO_GUID \
 949         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
 950                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 951
 952 #define EFI_FILE_SYSTEM_INFO_GUID \
 953         EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
 954                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 955
 956 #define EFI_FILE_MODE_READ      0x0000000000000001
 957 #define EFI_FILE_MODE_WRITE     0x0000000000000002
 958 #define EFI_FILE_MODE_CREATE    0x8000000000000000
 959
 960 #define EFI_FILE_READ_ONLY      0x0000000000000001
 961 #define EFI_FILE_HIDDEN         0x0000000000000002
 962 #define EFI_FILE_SYSTEM         0x0000000000000004
 963 #define EFI_FILE_RESERVED       0x0000000000000008
 964 #define EFI_FILE_DIRECTORY      0x0000000000000010
 965 #define EFI_FILE_ARCHIVE        0x0000000000000020
 966 #define EFI_FILE_VALID_ATTR     0x0000000000000037
 967
 968 struct efi_file_info {
 969         u64 size;
 970         u64 file_size;
 971         u64 physical_size;
 972         struct efi_time create_time;
 973         struct efi_time last_access_time;
 974         struct efi_time modification_time;
 975         u64 attribute;
 976         s16 file_name[0];
 977 };
 978
 979 struct efi_file_system_info {
 980         u64 size;
 981         u8 read_only;
 982         u64 volume_size;
 983         u64 free_space;
 984         u32 block_size;
 985         u16 volume_label[0];
 986 };
 987
 988 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
 989         EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
 990                  0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
 991 struct efi_driver_binding_protocol {
 992         efi_status_t (EFIAPI * supported)(
 993                         struct efi_driver_binding_protocol *this,
 994                         efi_handle_t controller_handle,
 995                         struct efi_device_path *remaining_device_path);
 996         efi_status_t (EFIAPI * start)(
 997                         struct efi_driver_binding_protocol *this,
 998                         efi_handle_t controller_handle,
 999                         struct efi_device_path *remaining_device_path);
1000         efi_status_t (EFIAPI * stop)(
1001                         struct efi_driver_binding_protocol *this,
1002                         efi_handle_t controller_handle,
1003                         efi_uintn_t number_of_children,
1004                         efi_handle_t *child_handle_buffer);
1005         u32 version;
1006         efi_handle_t image_handle;
1007         efi_handle_t driver_binding_handle;
1008 };
1009
1010 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
1011         EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
1012                  0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
1013 struct efi_unicode_collation_protocol {
1014         efi_intn_t (EFIAPI *stri_coll)(
1015                 struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2);
1016         bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this,
1017                                    const u16 *string, const u16 *patter);
1018         void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol
1019                                *this, u16 *string);
1020         void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this,
1021                                u16 *string);
1022         void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this,
1023                                   efi_uintn_t fat_size, char *fat, u16 *string);
1024         bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this,
1025                                   const u16 *string, efi_uintn_t fat_size,
1026                                   char *fat);
1027         char *supported_languages;
1028 };
1029
1030 #endif