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 #include <charset.h>
  21 #include <pe.h>
  22
  23 /* UEFI spec version 2.9 */
  24 #define EFI_SPECIFICATION_VERSION (2 << 16 | 90)
  25
  26 /* Types and defines for EFI CreateEvent */
  27 enum efi_timer_delay {
  28         EFI_TIMER_STOP = 0,
  29         EFI_TIMER_PERIODIC = 1,
  30         EFI_TIMER_RELATIVE = 2
  31 };
  32
  33 typedef void *efi_hii_handle_t;
  34 typedef u16 *efi_string_t;
  35 typedef u16 efi_string_id_t;
  36 typedef u32 efi_hii_font_style_t;
  37 typedef u16 efi_question_id_t;
  38 typedef u16 efi_image_id_t;
  39 typedef u16 efi_form_id_t;
  40
  41 #define EVT_TIMER                               0x80000000
  42 #define EVT_RUNTIME                             0x40000000
  43 #define EVT_NOTIFY_WAIT                         0x00000100
  44 #define EVT_NOTIFY_SIGNAL                       0x00000200
  45 #define EVT_SIGNAL_EXIT_BOOT_SERVICES           0x00000201
  46 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE       0x60000202
  47
  48 #define TPL_APPLICATION         0x04
  49 #define TPL_CALLBACK            0x08
  50 #define TPL_NOTIFY              0x10
  51 #define TPL_HIGH_LEVEL          0x1F
  52
  53 struct efi_event;
  54
  55 /* OsIndicationsSupported flags */
  56 #define EFI_OS_INDICATIONS_BOOT_TO_FW_UI                    0x0000000000000001
  57 #define EFI_OS_INDICATIONS_TIMESTAMP_REVOCATION             0x0000000000000002
  58 #define EFI_OS_INDICATIONS_FILE_CAPSULE_DELIVERY_SUPPORTED  0x0000000000000004
  59 #define EFI_OS_INDICATIONS_FMP_CAPSULE_SUPPORTED            0x0000000000000008
  60 #define EFI_OS_INDICATIONS_CAPSULE_RESULT_VAR_SUPPORTED     0x0000000000000010
  61 #define EFI_OS_INDICATIONS_START_OS_RECOVERY                0x0000000000000020
  62 #define EFI_OS_INDICATIONS_START_PLATFORM_RECOVERY          0x0000000000000040
  63 #define EFI_OS_INDICATIONS_JSON_CONFIG_DATA_REFRESH         0x0000000000000080
  64
  65 /* EFI Boot Services table */
  66 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42
  67 struct efi_boot_services {
  68         struct efi_table_hdr hdr;
  69         efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl);
  70         void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl);
  71
  72         efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t,
  73                                               efi_physical_addr_t *);
  74         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t);
  75         efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size,
  76                                               struct efi_mem_desc *desc,
  77                                               efi_uintn_t *key,
  78                                               efi_uintn_t *desc_size,
  79                                               u32 *desc_version);
  80         efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **);
  81         efi_status_t (EFIAPI *free_pool)(void *);
  82
  83         efi_status_t (EFIAPI *create_event)(uint32_t type,
  84                         efi_uintn_t notify_tpl,
  85                         void (EFIAPI *notify_function) (
  86                                         struct efi_event *event,
  87                                         void *context),
  88                         void *notify_context, struct efi_event **event);
  89         efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
  90                                          enum efi_timer_delay type,
  91                                          uint64_t trigger_time);
  92         efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events,
  93                                               struct efi_event **event,
  94                                               efi_uintn_t *index);
  95         efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
  96         efi_status_t (EFIAPI *close_event)(struct efi_event *event);
  97         efi_status_t (EFIAPI *check_event)(struct efi_event *event);
  98 #define EFI_NATIVE_INTERFACE    0x00000000
  99         efi_status_t (EFIAPI *install_protocol_interface)(
 100                         efi_handle_t *handle, const efi_guid_t *protocol,
 101                         int protocol_interface_type, void *protocol_interface);
 102         efi_status_t (EFIAPI *reinstall_protocol_interface)(
 103                         efi_handle_t handle, const efi_guid_t *protocol,
 104                         void *old_interface, void *new_interface);
 105         efi_status_t (EFIAPI *uninstall_protocol_interface)(
 106                         efi_handle_t handle, const efi_guid_t *protocol,
 107                         void *protocol_interface);
 108         efi_status_t (EFIAPI *handle_protocol)(
 109                         efi_handle_t handle, const efi_guid_t *protocol,
 110                         void **protocol_interface);
 111         void *reserved;
 112         efi_status_t (EFIAPI *register_protocol_notify)(
 113                         const efi_guid_t *protocol, struct efi_event *event,
 114                         void **registration);
 115         efi_status_t (EFIAPI *locate_handle)(
 116                         enum efi_locate_search_type search_type,
 117                         const efi_guid_t *protocol, void *search_key,
 118                         efi_uintn_t *buffer_size, efi_handle_t *buffer);
 119         efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol,
 120                         struct efi_device_path **device_path,
 121                         efi_handle_t *device);
 122         efi_status_t (EFIAPI *install_configuration_table)(
 123                         const efi_guid_t *guid, void *table);
 124
 125         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
 126                         efi_handle_t parent_image,
 127                         struct efi_device_path *file_path, void *source_buffer,
 128                         efi_uintn_t source_size, efi_handle_t *image);
 129         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
 130                                            efi_uintn_t *exitdata_size,
 131                                            u16 **exitdata);
 132         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 133                                     efi_status_t exit_status,
 134                                     efi_uintn_t exitdata_size, u16 *exitdata);
 135         efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle);
 136         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t image_handle,
 137                                                   efi_uintn_t map_key);
 138
 139         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 140         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 141         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 142                         uint64_t watchdog_code, unsigned long data_size,
 143                         uint16_t *watchdog_data);
 144         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 145                         efi_handle_t *driver_image_handle,
 146                         struct efi_device_path *remaining_device_path,
 147                         bool recursive);
 148         efi_status_t (EFIAPI *disconnect_controller)(
 149                         efi_handle_t controller_handle,
 150                         efi_handle_t driver_image_handle,
 151                         efi_handle_t child_handle);
 152 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 153 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 154 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 155 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 156 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 157 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 158         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 159                         const efi_guid_t *protocol, void **interface,
 160                         efi_handle_t agent_handle,
 161                         efi_handle_t controller_handle, u32 attributes);
 162         efi_status_t (EFIAPI *close_protocol)(
 163                         efi_handle_t handle, const efi_guid_t *protocol,
 164                         efi_handle_t agent_handle,
 165                         efi_handle_t controller_handle);
 166         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 167                         const efi_guid_t *protocol,
 168                         struct efi_open_protocol_info_entry **entry_buffer,
 169                         efi_uintn_t *entry_count);
 170         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 171                         efi_guid_t ***protocol_buffer,
 172                         efi_uintn_t *protocols_buffer_count);
 173         efi_status_t (EFIAPI *locate_handle_buffer) (
 174                         enum efi_locate_search_type search_type,
 175                         const efi_guid_t *protocol, void *search_key,
 176                         efi_uintn_t *no_handles, efi_handle_t **buffer);
 177         efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol,
 178                         void *registration, void **protocol_interface);
 179         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 180                         efi_handle_t *handle, ...);
 181         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 182                         efi_handle_t handle, ...);
 183         efi_status_t (EFIAPI *calculate_crc32)(const void *data,
 184                                                efi_uintn_t data_size,
 185                                                u32 *crc32);
 186         void (EFIAPI *copy_mem)(void *destination, const void *source,
 187                         size_t length);
 188         void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value);
 189         efi_status_t (EFIAPI *create_event_ex)(
 190                                 uint32_t type, efi_uintn_t notify_tpl,
 191                                 void (EFIAPI *notify_function) (
 192                                         struct efi_event *event,
 193                                         void *context),
 194                                 void *notify_context,
 195                                 efi_guid_t *event_group,
 196                                 struct efi_event **event);
 197 };
 198
 199 /* Types and defines for EFI ResetSystem */
 200 enum efi_reset_type {
 201         EFI_RESET_COLD = 0,
 202         EFI_RESET_WARM = 1,
 203         EFI_RESET_SHUTDOWN = 2,
 204         EFI_RESET_PLATFORM_SPECIFIC = 3,
 205 };
 206
 207 /* EFI Runtime Services table */
 208 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x56524553544e5552ULL
 209
 210 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET      0x00010000
 211 #define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE     0x00020000
 212 #define CAPSULE_FLAGS_INITIATE_RESET            0x00040000
 213
 214 #define CAPSULE_SUPPORT_AUTHENTICATION          0x0000000000000001
 215 #define CAPSULE_SUPPORT_DEPENDENCY              0x0000000000000002
 216
 217 #define EFI_CAPSULE_REPORT_GUID \
 218         EFI_GUID(0x39b68c46, 0xf7fb, 0x441b, 0xb6, 0xec, \
 219                  0x16, 0xb0, 0xf6, 0x98, 0x21, 0xf3)
 220
 221 #define EFI_MEMORY_RANGE_CAPSULE_GUID \
 222         EFI_GUID(0xde9f0ec, 0x88b6, 0x428f, 0x97, 0x7a, \
 223                  0x25, 0x8f, 0x1d, 0xe, 0x5e, 0x72)
 224
 225 #define EFI_FIRMWARE_MANAGEMENT_CAPSULE_ID_GUID \
 226         EFI_GUID(0x6dcbd5ed, 0xe82d, 0x4c44, 0xbd, 0xa1, \
 227                  0x71, 0x94, 0x19, 0x9a, 0xd9, 0x2a)
 228
 229 struct efi_capsule_header {
 230         efi_guid_t capsule_guid;
 231         u32 header_size;
 232         u32 flags;
 233         u32 capsule_image_size;
 234 } __packed;
 235
 236 struct efi_capsule_result_variable_header {
 237         u32 variable_total_size;
 238         u32 reserved;
 239         efi_guid_t capsule_guid;
 240         struct efi_time capsule_processed;
 241         efi_status_t capsule_status;
 242 } __packed;
 243
 244 struct efi_memory_range {
 245         efi_physical_addr_t     address;
 246         u64                     length;
 247 };
 248
 249 struct efi_memory_range_capsule {
 250         struct efi_capsule_header *header;
 251         /* EFI_MEMORY_TYPE: 0x80000000-0xFFFFFFFF */
 252         enum efi_memory_type os_requested_memory_type;
 253         u64 number_of_memory_ranges;
 254         struct efi_memory_range memory_ranges[];
 255 } __packed;
 256
 257 struct efi_firmware_management_capsule_header {
 258         u32 version;
 259         u16 embedded_driver_count;
 260         u16 payload_item_count;
 261         u64 item_offset_list[];
 262 } __packed;
 263
 264 struct efi_firmware_management_capsule_image_header {
 265         u32 version;
 266         efi_guid_t update_image_type_id;
 267         u8 update_image_index;
 268         u8 reserved[3];
 269         u32 update_image_size;
 270         u32 update_vendor_code_size;
 271         u64 update_hardware_instance;
 272         u64 image_capsule_support;
 273 } __packed;
 274
 275 struct efi_capsule_result_variable_fmp {
 276         u16 version;
 277         u8 payload_index;
 278         u8 update_image_index;
 279         efi_guid_t update_image_type_id;
 280         // u16 capsule_file_name[];
 281         // u16 capsule_target[];
 282 } __packed;
 283
 284 #define EFI_RT_SUPPORTED_GET_TIME                       0x0001
 285 #define EFI_RT_SUPPORTED_SET_TIME                       0x0002
 286 #define EFI_RT_SUPPORTED_GET_WAKEUP_TIME                0x0004
 287 #define EFI_RT_SUPPORTED_SET_WAKEUP_TIME                0x0008
 288 #define EFI_RT_SUPPORTED_GET_VARIABLE                   0x0010
 289 #define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME         0x0020
 290 #define EFI_RT_SUPPORTED_SET_VARIABLE                   0x0040
 291 #define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP        0x0080
 292 #define EFI_RT_SUPPORTED_CONVERT_POINTER                0x0100
 293 #define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT  0x0200
 294 #define EFI_RT_SUPPORTED_RESET_SYSTEM                   0x0400
 295 #define EFI_RT_SUPPORTED_UPDATE_CAPSULE                 0x0800
 296 #define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES     0x1000
 297 #define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO            0x2000
 298
 299 #define EFI_RT_PROPERTIES_TABLE_GUID \
 300         EFI_GUID(0xeb66918a, 0x7eef, 0x402a, 0x84, 0x2e, \
 301                  0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9)
 302
 303 #define EFI_RT_PROPERTIES_TABLE_VERSION 0x1
 304
 305 struct efi_rt_properties_table {
 306         u16 version;
 307         u16 length;
 308         u32 runtime_services_supported;
 309 };
 310
 311 #define EFI_OPTIONAL_PTR        0x00000001
 312
 313 struct efi_runtime_services {
 314         struct efi_table_hdr hdr;
 315         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 316                         struct efi_time_cap *capabilities);
 317         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 318         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 319                         struct efi_time *time);
 320         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 321                         struct efi_time *time);
 322         efi_status_t (EFIAPI *set_virtual_address_map)(
 323                         efi_uintn_t memory_map_size,
 324                         efi_uintn_t descriptor_size,
 325                         uint32_t descriptor_version,
 326                         struct efi_mem_desc *virtmap);
 327         efi_status_t (EFIAPI *convert_pointer)(
 328                         efi_uintn_t debug_disposition, void **address);
 329         efi_status_t (EFIAPI *get_variable)(u16 *variable_name,
 330                                             const efi_guid_t *vendor,
 331                                             u32 *attributes,
 332                                             efi_uintn_t *data_size, void *data);
 333         efi_status_t (EFIAPI *get_next_variable_name)(
 334                         efi_uintn_t *variable_name_size,
 335                         u16 *variable_name, efi_guid_t *vendor);
 336         efi_status_t (EFIAPI *set_variable)(u16 *variable_name,
 337                                             const efi_guid_t *vendor,
 338                                             u32 attributes,
 339                                             efi_uintn_t data_size,
 340                                             const void *data);
 341         efi_status_t (EFIAPI *get_next_high_mono_count)(
 342                         uint32_t *high_count);
 343         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 344                                     efi_status_t reset_status,
 345                                     unsigned long data_size, void *reset_data);
 346         efi_status_t (EFIAPI *update_capsule)(
 347                         struct efi_capsule_header **capsule_header_array,
 348                         efi_uintn_t capsule_count,
 349                         u64 scatter_gather_list);
 350         efi_status_t (EFIAPI *query_capsule_caps)(
 351                         struct efi_capsule_header **capsule_header_array,
 352                         efi_uintn_t capsule_count,
 353                         u64 *maximum_capsule_size,
 354                         u32 *reset_type);
 355         efi_status_t (EFIAPI *query_variable_info)(
 356                         u32 attributes,
 357                         u64 *maximum_variable_storage_size,
 358                         u64 *remaining_variable_storage_size,
 359                         u64 *maximum_variable_size);
 360 };
 361
 362 /* EFI event group GUID definitions */
 363
 364 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \
 365         EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \
 366                  0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf)
 367
 368 #define EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES \
 369         EFI_GUID(0x8be0e274, 0x3970, 0x4b44, 0x80, 0xc5, \
 370                  0x1a, 0xb9, 0x50, 0x2f, 0x3b, 0xfc)
 371
 372 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \
 373         EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \
 374                  0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96)
 375
 376 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \
 377         EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \
 378                  0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab)
 379
 380 #define EFI_EVENT_GROUP_READY_TO_BOOT \
 381         EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \
 382                  0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b)
 383
 384 #define EFI_EVENT_GROUP_AFTER_READY_TO_BOOT \
 385         EFI_GUID(0x3a2a00ad, 0x98b9, 0x4cdf, 0xa4, 0x78, \
 386                  0x70, 0x27, 0x77, 0xf1, 0xc1, 0xb)
 387
 388 #define EFI_EVENT_GROUP_RESET_SYSTEM \
 389         EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \
 390                  0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b)
 391
 392 /* EFI Configuration Table and GUID definitions */
 393 #define NULL_GUID \
 394         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 395                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 396
 397 #define EFI_GLOBAL_VARIABLE_GUID \
 398         EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
 399                  0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
 400
 401 #define EFI_IMAGE_SECURITY_DATABASE_GUID \
 402         EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, \
 403                  0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f)
 404
 405 #define EFI_FDT_GUID \
 406         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 407                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 408
 409 #define EFI_ACPI_TABLE_GUID \
 410         EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \
 411                  0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
 412
 413 #define SMBIOS_TABLE_GUID \
 414         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 415                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 416
 417 #define EFI_LOAD_FILE_PROTOCOL_GUID \
 418         EFI_GUID(0x56ec3091, 0x954c, 0x11d2, \
 419                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 420
 421 #define EFI_LOAD_FILE2_PROTOCOL_GUID \
 422         EFI_GUID(0x4006c0c1, 0xfcb3, 0x403e, \
 423                  0x99, 0x6d, 0x4a, 0x6c, 0x87, 0x24, 0xe0, 0x6d)
 424
 425 #define EFI_TCG2_FINAL_EVENTS_TABLE_GUID \
 426         EFI_GUID(0x1e2ed096, 0x30e2, 0x4254, 0xbd, \
 427                  0x89, 0x86, 0x3b, 0xbe, 0xf8, 0x23, 0x25)
 428
 429 #define EFI_RNG_PROTOCOL_GUID \
 430         EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, \
 431                  0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44)
 432
 433 #define EFI_DT_FIXUP_PROTOCOL_GUID \
 434         EFI_GUID(0xe617d64c, 0xfe08, 0x46da, 0xf4, 0xdc, \
 435                  0xbb, 0xd5, 0x87, 0x0c, 0x73, 0x00)
 436
 437 /**
 438  * struct efi_configuration_table - EFI Configuration Table
 439  *
 440  * This table contains a set of GUID/pointer pairs.
 441  * The EFI Configuration Table may contain at most one instance of each table type.
 442  *
 443  * @guid:               GUID that uniquely identifies the system configuration table
 444  * @table:              A pointer to the table associated with guid
 445  */
 446 struct efi_configuration_table {
 447         efi_guid_t guid;
 448         void *table;
 449 } __packed;
 450
 451 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 452
 453 /**
 454  * struct efi_system_table - EFI System Table
 455  *
 456  * EFI System Table contains pointers to the runtime and boot services tables.
 457  *
 458  * @hdr:                The table header for the EFI System Table
 459  * @fw_vendor:          A pointer to a null terminated string that identifies the vendor
 460  *                      that produces the system firmware
 461  * @fw_revision:        The revision of the system firmware
 462  * @con_in_handle:      The handle for the active console input device
 463  * @con_in:             A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface
 464  *                      that is associated with con_in_handle
 465  * @con_out_handle:     The handle for the active console output device
 466  * @con_out:            A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface
 467  *                      that is associated with con_out_handle
 468  * @stderr_handle:      The handle for the active standard error console device
 469  * @std_err:            A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface
 470  *                      that is associated with stderr_handle
 471  * @runtime:            A pointer to the EFI Runtime Services Table
 472  * @boottime:           A pointer to the EFI Boot Services Table
 473  * @nr_tables:          The number of system configuration tables
 474  * @tables:             A pointer to the system configuration tables
 475  */
 476 struct efi_system_table {
 477         struct efi_table_hdr hdr;
 478         u16 *fw_vendor;   /* physical addr of wchar_t vendor string */
 479         u32 fw_revision;
 480         efi_handle_t con_in_handle;
 481         struct efi_simple_text_input_protocol *con_in;
 482         efi_handle_t con_out_handle;
 483         struct efi_simple_text_output_protocol *con_out;
 484         efi_handle_t stderr_handle;
 485         struct efi_simple_text_output_protocol *std_err;
 486         struct efi_runtime_services *runtime;
 487         struct efi_boot_services *boottime;
 488         efi_uintn_t nr_tables;
 489         struct efi_configuration_table *tables;
 490 };
 491
 492 #define EFI_LOADED_IMAGE_PROTOCOL_GUID \
 493         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 494                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 495
 496 #define EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID \
 497         EFI_GUID(0xbc62157e, 0x3e33, 0x4fec, \
 498                  0x99, 0x20, 0x2d, 0x3b, 0x36, 0xd7, 0x50, 0xdf)
 499
 500 #define EFI_LOADED_IMAGE_PROTOCOL_REVISION 0x1000
 501
 502 struct efi_loaded_image {
 503         u32 revision;
 504         void *parent_handle;
 505         struct efi_system_table *system_table;
 506         efi_handle_t device_handle;
 507         struct efi_device_path *file_path;
 508         void *reserved;
 509         u32 load_options_size;
 510         void *load_options;
 511         void *image_base;
 512         aligned_u64 image_size;
 513         unsigned int image_code_type;
 514         unsigned int image_data_type;
 515         efi_status_t (EFIAPI *unload)(efi_handle_t image_handle);
 516 };
 517
 518 #define EFI_DEVICE_PATH_PROTOCOL_GUID \
 519         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 520                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 521
 522 #define DEVICE_PATH_TYPE_END                    0x7f
 523 #  define DEVICE_PATH_SUB_TYPE_INSTANCE_END     0x01
 524 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 525
 526 struct efi_device_path {
 527         u8 type;
 528         u8 sub_type;
 529         u16 length;
 530 } __packed;
 531
 532 struct efi_mac_addr {
 533         u8 addr[32];
 534 } __packed;
 535
 536 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 537 #  define DEVICE_PATH_SUB_TYPE_MEMORY           0x03
 538 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 539
 540 struct efi_device_path_memory {
 541         struct efi_device_path dp;
 542         u32 memory_type;
 543         u64 start_address;
 544         u64 end_address;
 545 } __packed;
 546
 547 struct efi_device_path_vendor {
 548         struct efi_device_path dp;
 549         efi_guid_t guid;
 550         u8 vendor_data[];
 551 } __packed;
 552
 553 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 554 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 555
 556 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 557 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 558 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 559
 560 struct efi_device_path_acpi_path {
 561         struct efi_device_path dp;
 562         u32 hid;
 563         u32 uid;
 564 } __packed;
 565
 566 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 567 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI        0x01
 568 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI         0x02
 569 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 570 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 571 #  define DEVICE_PATH_SUB_TYPE_MSG_UART         0x0e
 572 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 573 #  define DEVICE_PATH_SUB_TYPE_MSG_SATA         0x12
 574 #  define DEVICE_PATH_SUB_TYPE_MSG_NVME         0x17
 575 #  define DEVICE_PATH_SUB_TYPE_MSG_URI          0x18
 576 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 577 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 578
 579 struct efi_device_path_atapi {
 580         struct efi_device_path dp;
 581         u8 primary_secondary;
 582         u8 slave_master;
 583         u16 logical_unit_number;
 584 } __packed;
 585
 586 struct efi_device_path_scsi {
 587         struct efi_device_path dp;
 588         u16 target_id;
 589         u16 logical_unit_number;
 590 } __packed;
 591
 592 struct efi_device_path_uart {
 593         struct efi_device_path dp;
 594         u32 reserved;
 595         u64 baud_rate;
 596         u8 data_bits;
 597         u8 parity;
 598         u8 stop_bits;
 599 } __packed;
 600
 601 struct efi_device_path_usb {
 602         struct efi_device_path dp;
 603         u8 parent_port_number;
 604         u8 usb_interface;
 605 } __packed;
 606
 607 struct efi_device_path_sata {
 608         struct efi_device_path dp;
 609         u16 hba_port;
 610         u16 port_multiplier_port;
 611         u16 logical_unit_number;
 612 } __packed;
 613
 614 struct efi_device_path_mac_addr {
 615         struct efi_device_path dp;
 616         struct efi_mac_addr mac;
 617         u8 if_type;
 618 } __packed;
 619
 620 struct efi_device_path_usb_class {
 621         struct efi_device_path dp;
 622         u16 vendor_id;
 623         u16 product_id;
 624         u8 device_class;
 625         u8 device_subclass;
 626         u8 device_protocol;
 627 } __packed;
 628
 629 struct efi_device_path_sd_mmc_path {
 630         struct efi_device_path dp;
 631         u8 slot_number;
 632 } __packed;
 633
 634 struct efi_device_path_nvme {
 635         struct efi_device_path dp;
 636         u32 ns_id;
 637         u8 eui64[8];
 638 } __packed;
 639
 640 struct efi_device_path_uri {
 641         struct efi_device_path dp;
 642         u8 uri[];
 643 } __packed;
 644
 645 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 646 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 647 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 648 #  define DEVICE_PATH_SUB_TYPE_VENDOR_PATH      0x03
 649 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 650
 651 struct efi_device_path_hard_drive_path {
 652         struct efi_device_path dp;
 653         u32 partition_number;
 654         u64 partition_start;
 655         u64 partition_end;
 656         u8 partition_signature[16];
 657         u8 partmap_type;
 658         u8 signature_type;
 659 } __packed;
 660
 661 struct efi_device_path_cdrom_path {
 662         struct efi_device_path dp;
 663         u32 boot_entry;
 664         u64 partition_start;
 665         u64 partition_size;
 666 } __packed;
 667
 668 struct efi_device_path_file_path {
 669         struct efi_device_path dp;
 670         u16 str[];
 671 } __packed;
 672
 673 #define EFI_BLOCK_IO_PROTOCOL_GUID \
 674         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 675                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 676
 677 struct efi_block_io_media {
 678         u32 media_id;
 679         char removable_media;
 680         char media_present;
 681         char logical_partition;
 682         char read_only;
 683         char write_caching;
 684         u8 pad[3];
 685         u32 block_size;
 686         u32 io_align;
 687         u8 pad2[4];
 688         u64 last_block;
 689         /* Added in revision 2 of the protocol */
 690         u64 lowest_aligned_lba;
 691         u32 logical_blocks_per_physical_block;
 692         /* Added in revision 3 of the protocol */
 693         u32 optimal_transfer_length_granualarity;
 694 };
 695
 696 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
 697 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
 698
 699 struct efi_block_io {
 700         u64 revision;
 701         struct efi_block_io_media *media;
 702         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 703                         char extended_verification);
 704         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 705                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 706                         void *buffer);
 707         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 708                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 709                         void *buffer);
 710         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 711 };
 712
 713 struct simple_text_output_mode {
 714         s32 max_mode;
 715         s32 mode;
 716         s32 attribute;
 717         s32 cursor_column;
 718         s32 cursor_row;
 719         bool cursor_visible;
 720 };
 721
 722 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 723         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 724                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 725
 726 #define EFI_BLACK                0x00
 727 #define EFI_BLUE                 0x01
 728 #define EFI_GREEN                0x02
 729 #define EFI_CYAN                 0x03
 730 #define EFI_RED                  0x04
 731 #define EFI_MAGENTA              0x05
 732 #define EFI_BROWN                0x06
 733 #define EFI_LIGHTGRAY            0x07
 734 #define EFI_BRIGHT               0x08
 735 #define EFI_DARKGRAY             0x08
 736 #define EFI_LIGHTBLUE            0x09
 737 #define EFI_LIGHTGREEN           0x0a
 738 #define EFI_LIGHTCYAN            0x0b
 739 #define EFI_LIGHTRED             0x0c
 740 #define EFI_LIGHTMAGENTA         0x0d
 741 #define EFI_YELLOW               0x0e
 742 #define EFI_WHITE                0x0f
 743 #define EFI_BACKGROUND_BLACK     0x00
 744 #define EFI_BACKGROUND_BLUE      0x10
 745 #define EFI_BACKGROUND_GREEN     0x20
 746 #define EFI_BACKGROUND_CYAN      0x30
 747 #define EFI_BACKGROUND_RED       0x40
 748 #define EFI_BACKGROUND_MAGENTA   0x50
 749 #define EFI_BACKGROUND_BROWN     0x60
 750 #define EFI_BACKGROUND_LIGHTGRAY 0x70
 751
 752 /* extract foreground color from EFI attribute */
 753 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
 754 /* treat high bit of FG as bright/bold (similar to edk2) */
 755 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
 756 /* extract background color from EFI attribute */
 757 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
 758
 759 struct efi_simple_text_output_protocol {
 760         efi_status_t (EFIAPI *reset)(
 761                         struct efi_simple_text_output_protocol *this,
 762                         char extended_verification);
 763         efi_status_t (EFIAPI *output_string)(
 764                         struct efi_simple_text_output_protocol *this,
 765                         const u16 *str);
 766         efi_status_t (EFIAPI *test_string)(
 767                         struct efi_simple_text_output_protocol *this,
 768                         const u16 *str);
 769         efi_status_t(EFIAPI *query_mode)(
 770                         struct efi_simple_text_output_protocol *this,
 771                         unsigned long mode_number, unsigned long *columns,
 772                         unsigned long *rows);
 773         efi_status_t(EFIAPI *set_mode)(
 774                         struct efi_simple_text_output_protocol *this,
 775                         unsigned long mode_number);
 776         efi_status_t(EFIAPI *set_attribute)(
 777                         struct efi_simple_text_output_protocol *this,
 778                         unsigned long attribute);
 779         efi_status_t(EFIAPI *clear_screen) (
 780                         struct efi_simple_text_output_protocol *this);
 781         efi_status_t(EFIAPI *set_cursor_position) (
 782                         struct efi_simple_text_output_protocol *this,
 783                         unsigned long column, unsigned long row);
 784         efi_status_t(EFIAPI *enable_cursor)(
 785                         struct efi_simple_text_output_protocol *this,
 786                         bool enable);
 787         struct simple_text_output_mode *mode;
 788 };
 789
 790 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
 791         EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \
 792                  0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa)
 793
 794 struct efi_input_key {
 795         u16 scan_code;
 796         s16 unicode_char;
 797 };
 798
 799 #define EFI_SHIFT_STATE_INVALID         0x00000000
 800 #define EFI_RIGHT_SHIFT_PRESSED         0x00000001
 801 #define EFI_LEFT_SHIFT_PRESSED          0x00000002
 802 #define EFI_RIGHT_CONTROL_PRESSED       0x00000004
 803 #define EFI_LEFT_CONTROL_PRESSED        0x00000008
 804 #define EFI_RIGHT_ALT_PRESSED           0x00000010
 805 #define EFI_LEFT_ALT_PRESSED            0x00000020
 806 #define EFI_RIGHT_LOGO_PRESSED          0x00000040
 807 #define EFI_LEFT_LOGO_PRESSED           0x00000080
 808 #define EFI_MENU_KEY_PRESSED            0x00000100
 809 #define EFI_SYS_REQ_PRESSED             0x00000200
 810 #define EFI_SHIFT_STATE_VALID           0x80000000
 811
 812 #define EFI_TOGGLE_STATE_INVALID        0x00
 813 #define EFI_SCROLL_LOCK_ACTIVE          0x01
 814 #define EFI_NUM_LOCK_ACTIVE             0x02
 815 #define EFI_CAPS_LOCK_ACTIVE            0x04
 816 #define EFI_KEY_STATE_EXPOSED           0x40
 817 #define EFI_TOGGLE_STATE_VALID          0x80
 818
 819 struct efi_key_state {
 820         u32 key_shift_state;
 821         u8 key_toggle_state;
 822 };
 823
 824 struct efi_key_data {
 825         struct efi_input_key key;
 826         struct efi_key_state key_state;
 827 };
 828
 829 struct efi_simple_text_input_ex_protocol {
 830         efi_status_t (EFIAPI *reset) (
 831                 struct efi_simple_text_input_ex_protocol *this,
 832                 bool extended_verification);
 833         efi_status_t (EFIAPI *read_key_stroke_ex) (
 834                 struct efi_simple_text_input_ex_protocol *this,
 835                 struct efi_key_data *key_data);
 836         struct efi_event *wait_for_key_ex;
 837         efi_status_t (EFIAPI *set_state) (
 838                 struct efi_simple_text_input_ex_protocol *this,
 839                 u8 *key_toggle_state);
 840         efi_status_t (EFIAPI *register_key_notify) (
 841                 struct efi_simple_text_input_ex_protocol *this,
 842                 struct efi_key_data *key_data,
 843                 efi_status_t (EFIAPI *key_notify_function)(
 844                         struct efi_key_data *key_data),
 845                 void **notify_handle);
 846         efi_status_t (EFIAPI *unregister_key_notify) (
 847                 struct efi_simple_text_input_ex_protocol *this,
 848                 void *notification_handle);
 849 };
 850
 851 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 852         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 853                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 854
 855 struct efi_simple_text_input_protocol {
 856         efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this,
 857                                     bool extended_verification);
 858         efi_status_t(EFIAPI *read_key_stroke)(
 859                         struct efi_simple_text_input_protocol *this,
 860                         struct efi_input_key *key);
 861         struct efi_event *wait_for_key;
 862 };
 863
 864 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 865         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 866                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 867
 868 struct efi_device_path_to_text_protocol {
 869         uint16_t *(EFIAPI *convert_device_node_to_text)(
 870                         struct efi_device_path *device_node,
 871                         bool display_only,
 872                         bool allow_shortcuts);
 873         uint16_t *(EFIAPI *convert_device_path_to_text)(
 874                         struct efi_device_path *device_path,
 875                         bool display_only,
 876                         bool allow_shortcuts);
 877 };
 878
 879 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
 880         EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
 881                  0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
 882
 883 struct efi_device_path_utilities_protocol {
 884         efi_uintn_t (EFIAPI *get_device_path_size)(
 885                 const struct efi_device_path *device_path);
 886         struct efi_device_path *(EFIAPI *duplicate_device_path)(
 887                 const struct efi_device_path *device_path);
 888         struct efi_device_path *(EFIAPI *append_device_path)(
 889                 const struct efi_device_path *src1,
 890                 const struct efi_device_path *src2);
 891         struct efi_device_path *(EFIAPI *append_device_node)(
 892                 const struct efi_device_path *device_path,
 893                 const struct efi_device_path *device_node);
 894         struct efi_device_path *(EFIAPI *append_device_path_instance)(
 895                 const struct efi_device_path *device_path,
 896                 const struct efi_device_path *device_path_instance);
 897         struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
 898                 struct efi_device_path **device_path_instance,
 899                 efi_uintn_t *device_path_instance_size);
 900         bool (EFIAPI *is_device_path_multi_instance)(
 901                 const struct efi_device_path *device_path);
 902         struct efi_device_path *(EFIAPI *create_device_node)(
 903                 uint8_t node_type,
 904                 uint8_t node_sub_type,
 905                 uint16_t node_length);
 906 };
 907
 908 /*
 909  * Human Interface Infrastructure (HII)
 910  */
 911 struct efi_hii_package_list_header {
 912         efi_guid_t package_list_guid;
 913         u32 package_length;
 914 } __packed;
 915
 916 /**
 917  * struct efi_hii_package_header - EFI HII package header
 918  *
 919  * @fields:     'fields' replaces the bit-fields defined in the EFI
 920  *              specification to to avoid possible compiler incompatibilities::
 921  *
 922  *                  u32 length:24;
 923  *                  u32 type:8;
 924  */
 925 struct efi_hii_package_header {
 926         u32 fields;
 927 } __packed;
 928
 929 #define __EFI_HII_PACKAGE_LEN_SHIFT     0
 930 #define __EFI_HII_PACKAGE_TYPE_SHIFT    24
 931 #define __EFI_HII_PACKAGE_LEN_MASK      0xffffff
 932 #define __EFI_HII_PACKAGE_TYPE_MASK     0xff
 933
 934 #define EFI_HII_PACKAGE_TYPE_ALL          0x00
 935 #define EFI_HII_PACKAGE_TYPE_GUID         0x01
 936 #define EFI_HII_PACKAGE_FORMS             0x02
 937 #define EFI_HII_PACKAGE_STRINGS           0x04
 938 #define EFI_HII_PACKAGE_FONTS             0x05
 939 #define EFI_HII_PACKAGE_IMAGES            0x06
 940 #define EFI_HII_PACKAGE_SIMPLE_FONTS      0x07
 941 #define EFI_HII_PACKAGE_DEVICE_PATH       0x08
 942 #define EFI_HII_PACKAGE_KEYBOARD_LAYOUT   0x09
 943 #define EFI_HII_PACKAGE_ANIMATIONS        0x0A
 944 #define EFI_HII_PACKAGE_END               0xDF
 945 #define EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN 0xE0
 946 #define EFI_HII_PACKAGE_TYPE_SYSTEM_END   0xFF
 947
 948 /*
 949  * HII GUID package
 950  */
 951 struct efi_hii_guid_package {
 952         struct efi_hii_package_header header;
 953         efi_guid_t guid;
 954         char data[];
 955 } __packed;
 956
 957 /*
 958  * HII string package
 959  */
 960 struct efi_hii_strings_package {
 961         struct efi_hii_package_header header;
 962         u32 header_size;
 963         u32 string_info_offset;
 964         u16 language_window[16];
 965         efi_string_id_t language_name;
 966         u8  language[];
 967 } __packed;
 968
 969 struct efi_hii_string_block {
 970         u8 block_type;
 971         /* u8 block_body[]; */
 972 } __packed;
 973
 974 #define EFI_HII_SIBT_END               0x00
 975 #define EFI_HII_SIBT_STRING_SCSU       0x10
 976 #define EFI_HII_SIBT_STRING_SCSU_FONT  0x11
 977 #define EFI_HII_SIBT_STRINGS_SCSU      0x12
 978 #define EFI_HII_SIBT_STRINGS_SCSU_FONT 0x13
 979 #define EFI_HII_SIBT_STRING_UCS2       0x14
 980 #define EFI_HII_SIBT_STRING_UCS2_FONT  0x15
 981 #define EFI_HII_SIBT_STRINGS_UCS2      0x16
 982 #define EFI_HII_SIBT_STRINGS_UCS2_FONT 0x17
 983 #define EFI_HII_SIBT_DUPLICATE         0x20
 984 #define EFI_HII_SIBT_SKIP2             0x21
 985 #define EFI_HII_SIBT_SKIP1             0x22
 986 #define EFI_HII_SIBT_EXT1              0x30
 987 #define EFI_HII_SIBT_EXT2              0x31
 988 #define EFI_HII_SIBT_EXT4              0x32
 989 #define EFI_HII_SIBT_FONT              0x40
 990
 991 struct efi_hii_sibt_string_ucs2_block {
 992         struct efi_hii_string_block header;
 993         u16 string_text[];
 994 } __packed;
 995
 996 static inline struct efi_hii_string_block *
 997 efi_hii_sibt_string_ucs2_block_next(struct efi_hii_sibt_string_ucs2_block *blk)
 998 {
 999         return ((void *)blk) + sizeof(*blk) +
1000                 (u16_strlen(blk->string_text) + 1) * 2;
1001 }
1002
1003 /*
1004  * HII forms package
1005  * TODO: full scope of definitions
1006  */
1007 struct efi_hii_time {
1008         u8 hour;
1009         u8 minute;
1010         u8 second;
1011 };
1012
1013 struct efi_hii_date {
1014         u16 year;
1015         u8 month;
1016         u8 day;
1017 };
1018
1019 struct efi_hii_ref {
1020         efi_question_id_t question_id;
1021         efi_form_id_t form_id;
1022         efi_guid_t form_set_guid;
1023         efi_string_id_t device_path;
1024 };
1025
1026 union efi_ifr_type_value {
1027         u8 u8;                          // EFI_IFR_TYPE_NUM_SIZE_8
1028         u16 u16;                        // EFI_IFR_TYPE_NUM_SIZE_16
1029         u32 u32;                        // EFI_IFR_TYPE_NUM_SIZE_32
1030         u64 u64;                        // EFI_IFR_TYPE_NUM_SIZE_64
1031         bool b;                         // EFI_IFR_TYPE_BOOLEAN
1032         struct efi_hii_time time;       // EFI_IFR_TYPE_TIME
1033         struct efi_hii_date date;       // EFI_IFR_TYPE_DATE
1034         efi_string_id_t string; // EFI_IFR_TYPE_STRING, EFI_IFR_TYPE_ACTION
1035         struct efi_hii_ref ref;         // EFI_IFR_TYPE_REF
1036         // u8 buffer[];                 // EFI_IFR_TYPE_BUFFER
1037 };
1038
1039 #define EFI_IFR_TYPE_NUM_SIZE_8         0x00
1040 #define EFI_IFR_TYPE_NUM_SIZE_16        0x01
1041 #define EFI_IFR_TYPE_NUM_SIZE_32        0x02
1042 #define EFI_IFR_TYPE_NUM_SIZE_64        0x03
1043 #define EFI_IFR_TYPE_BOOLEAN            0x04
1044 #define EFI_IFR_TYPE_TIME               0x05
1045 #define EFI_IFR_TYPE_DATE               0x06
1046 #define EFI_IFR_TYPE_STRING             0x07
1047 #define EFI_IFR_TYPE_OTHER              0x08
1048 #define EFI_IFR_TYPE_UNDEFINED          0x09
1049 #define EFI_IFR_TYPE_ACTION             0x0A
1050 #define EFI_IFR_TYPE_BUFFER             0x0B
1051 #define EFI_IFR_TYPE_REF                0x0C
1052 #define EFI_IFR_OPTION_DEFAULT          0x10
1053 #define EFI_IFR_OPTION_DEFAULT_MFG      0x20
1054
1055 #define EFI_IFR_ONE_OF_OPTION_OP        0x09
1056
1057 struct efi_ifr_op_header {
1058         u8 opCode;
1059         u8 length:7;
1060         u8 scope:1;
1061 };
1062
1063 struct efi_ifr_one_of_option {
1064         struct efi_ifr_op_header header;
1065         efi_string_id_t option;
1066         u8 flags;
1067         u8 type;
1068         union efi_ifr_type_value value;
1069 };
1070
1071 typedef efi_uintn_t efi_browser_action_t;
1072
1073 #define EFI_BROWSER_ACTION_REQUEST_NONE                 0
1074 #define EFI_BROWSER_ACTION_REQUEST_RESET                1
1075 #define EFI_BROWSER_ACTION_REQUEST_SUBMIT               2
1076 #define EFI_BROWSER_ACTION_REQUEST_EXIT                 3
1077 #define EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT     4
1078 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT    5
1079 #define EFI_BROWSER_ACTION_REQUEST_FORM_APPLY           6
1080 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD         7
1081 #define EFI_BROWSER_ACTION_REQUEST_RECONNECT            8
1082
1083 typedef efi_uintn_t efi_browser_action_request_t;
1084
1085 #define EFI_BROWSER_ACTION_CHANGING                     0
1086 #define EFI_BROWSER_ACTION_CHANGED                      1
1087 #define EFI_BROWSER_ACTION_RETRIEVE                     2
1088 #define EFI_BROWSER_ACTION_FORM_OPEN                    3
1089 #define EFI_BROWSER_ACTION_FORM_CLOSE                   4
1090 #define EFI_BROWSER_ACTION_SUBMITTED                    5
1091 #define EFI_BROWSER_ACTION_DEFAULT_STANDARD             0x1000
1092 #define EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING        0x1001
1093 #define EFI_BROWSER_ACTION_DEFAULT_SAFE                 0x1002
1094 #define EFI_BROWSER_ACTION_DEFAULT_PLATFORM             0x2000
1095 #define EFI_BROWSER_ACTION_DEFAULT_HARDWARE             0x3000
1096 #define EFI_BROWSER_ACTION_DEFAULT_FIRMWARE             0x4000
1097
1098 /*
1099  * HII keyboard package
1100  */
1101 typedef enum {
1102         EFI_KEY_LCTRL, EFI_KEY_A0, EFI_KEY_LALT, EFI_KEY_SPACE_BAR,
1103         EFI_KEY_A2, EFI_KEY_A3, EFI_KEY_A4, EFI_KEY_RCTRL, EFI_KEY_LEFT_ARROW,
1104         EFI_KEY_DOWN_ARROW, EFI_KEY_RIGHT_ARROW, EFI_KEY_ZERO,
1105         EFI_KEY_PERIOD, EFI_KEY_ENTER, EFI_KEY_LSHIFT, EFI_KEY_B0,
1106         EFI_KEY_B1, EFI_KEY_B2, EFI_KEY_B3, EFI_KEY_B4, EFI_KEY_B5, EFI_KEY_B6,
1107         EFI_KEY_B7, EFI_KEY_B8, EFI_KEY_B9, EFI_KEY_B10, EFI_KEY_RSHIFT,
1108         EFI_KEY_UP_ARROW, EFI_KEY_ONE, EFI_KEY_TWO, EFI_KEY_THREE,
1109         EFI_KEY_CAPS_LOCK, EFI_KEY_C1, EFI_KEY_C2, EFI_KEY_C3, EFI_KEY_C4,
1110         EFI_KEY_C5, EFI_KEY_C6, EFI_KEY_C7, EFI_KEY_C8, EFI_KEY_C9,
1111         EFI_KEY_C10, EFI_KEY_C11, EFI_KEY_C12, EFI_KEY_FOUR, EFI_KEY_FIVE,
1112         EFI_KEY_SIX, EFI_KEY_PLUS, EFI_KEY_TAB, EFI_KEY_D1, EFI_KEY_D2,
1113         EFI_KEY_D3, EFI_KEY_D4, EFI_KEY_D5, EFI_KEY_D6, EFI_KEY_D7, EFI_KEY_D8,
1114         EFI_KEY_D9, EFI_KEY_D10, EFI_KEY_D11, EFI_KEY_D12, EFI_KEY_D13,
1115         EFI_KEY_DEL, EFI_KEY_END, EFI_KEY_PG_DN, EFI_KEY_SEVEN, EFI_KEY_EIGHT,
1116         EFI_KEY_NINE, EFI_KEY_E0, EFI_KEY_E1, EFI_KEY_E2, EFI_KEY_E3,
1117         EFI_KEY_E4, EFI_KEY_E5, EFI_KEY_E6, EFI_KEY_E7, EFI_KEY_E8, EFI_KEY_E9,
1118         EFI_KEY_E10, EFI_KEY_E11, EFI_KEY_E12, EFI_KEY_BACK_SPACE,
1119         EFI_KEY_INS, EFI_KEY_HOME, EFI_KEY_PG_UP, EFI_KEY_NLCK, EFI_KEY_SLASH,
1120         EFI_KEY_ASTERISK, EFI_KEY_MINUS, EFI_KEY_ESC, EFI_KEY_F1, EFI_KEY_F2,
1121         EFI_KEY_F3, EFI_KEY_F4, EFI_KEY_F5, EFI_KEY_F6, EFI_KEY_F7, EFI_KEY_F8,
1122         EFI_KEY_F9, EFI_KEY_F10, EFI_KEY_F11, EFI_KEY_F12, EFI_KEY_PRINT,
1123         EFI_KEY_SLCK, EFI_KEY_PAUSE,
1124 } efi_key;
1125
1126 struct efi_key_descriptor {
1127         u32 key;
1128         u16 unicode;
1129         u16 shifted_unicode;
1130         u16 alt_gr_unicode;
1131         u16 shifted_alt_gr_unicode;
1132         u16 modifier;
1133         u16 affected_attribute;
1134 } __packed;
1135
1136 struct efi_hii_keyboard_layout {
1137         u16 layout_length;
1138         efi_guid_t guid;
1139         u32 layout_descriptor_string_offset;
1140         u8 descriptor_count;
1141         struct efi_key_descriptor descriptors[];
1142 } __packed;
1143
1144 struct efi_hii_keyboard_package {
1145         struct efi_hii_package_header header;
1146         u16 layout_count;
1147         struct efi_hii_keyboard_layout layout[];
1148 } __packed;
1149
1150 /*
1151  * HII protocols
1152  */
1153 #define EFI_HII_STRING_PROTOCOL_GUID \
1154         EFI_GUID(0x0fd96974, 0x23aa, 0x4cdc, \
1155                  0xb9, 0xcb, 0x98, 0xd1, 0x77, 0x50, 0x32, 0x2a)
1156
1157 struct efi_font_info {
1158         efi_hii_font_style_t font_style;
1159         u16 font_size;
1160         u16 font_name[1];
1161 };
1162
1163 struct efi_hii_string_protocol {
1164         efi_status_t(EFIAPI *new_string)(
1165                 const struct efi_hii_string_protocol *this,
1166                 efi_hii_handle_t package_list,
1167                 efi_string_id_t *string_id,
1168                 const u8 *language,
1169                 const u16 *language_name,
1170                 const efi_string_t string,
1171                 const struct efi_font_info *string_font_info);
1172         efi_status_t(EFIAPI *get_string)(
1173                 const struct efi_hii_string_protocol *this,
1174                 const u8 *language,
1175                 efi_hii_handle_t package_list,
1176                 efi_string_id_t string_id,
1177                 efi_string_t string,
1178                 efi_uintn_t *string_size,
1179                 struct efi_font_info **string_font_info);
1180         efi_status_t(EFIAPI *set_string)(
1181                 const struct efi_hii_string_protocol *this,
1182                 efi_hii_handle_t package_list,
1183                 efi_string_id_t string_id,
1184                 const u8 *language,
1185                 const efi_string_t string,
1186                 const struct efi_font_info *string_font_info);
1187         efi_status_t(EFIAPI *get_languages)(
1188                 const struct efi_hii_string_protocol *this,
1189                 efi_hii_handle_t package_list,
1190                 u8 *languages,
1191                 efi_uintn_t *languages_size);
1192         efi_status_t(EFIAPI *get_secondary_languages)(
1193                 const struct efi_hii_string_protocol *this,
1194                 efi_hii_handle_t package_list,
1195                 const u8 *primary_language,
1196                 u8 *secondary_languages,
1197                 efi_uintn_t *secondary_languages_size);
1198 };
1199
1200 #define EFI_HII_DATABASE_PROTOCOL_GUID       \
1201         EFI_GUID(0xef9fc172, 0xa1b2, 0x4693, \
1202                  0xb3, 0x27, 0x6d, 0x32, 0xfc, 0x41, 0x60, 0x42)
1203
1204 struct efi_hii_database_protocol {
1205         efi_status_t(EFIAPI *new_package_list)(
1206                 const struct efi_hii_database_protocol *this,
1207                 const struct efi_hii_package_list_header *package_list,
1208                 const efi_handle_t driver_handle,
1209                 efi_hii_handle_t *handle);
1210         efi_status_t(EFIAPI *remove_package_list)(
1211                 const struct efi_hii_database_protocol *this,
1212                 efi_hii_handle_t handle);
1213         efi_status_t(EFIAPI *update_package_list)(
1214                 const struct efi_hii_database_protocol *this,
1215                 efi_hii_handle_t handle,
1216                 const struct efi_hii_package_list_header *package_list);
1217         efi_status_t(EFIAPI *list_package_lists)(
1218                 const struct efi_hii_database_protocol *this,
1219                 u8 package_type,
1220                 const efi_guid_t *package_guid,
1221                 efi_uintn_t *handle_buffer_length,
1222                 efi_hii_handle_t *handle);
1223         efi_status_t(EFIAPI *export_package_lists)(
1224                 const struct efi_hii_database_protocol *this,
1225                 efi_hii_handle_t handle,
1226                 efi_uintn_t *buffer_size,
1227                 struct efi_hii_package_list_header *buffer);
1228         efi_status_t(EFIAPI *register_package_notify)(
1229                 const struct efi_hii_database_protocol *this,
1230                 u8 package_type,
1231                 const efi_guid_t *package_guid,
1232                 const void *package_notify_fn,
1233                 efi_uintn_t notify_type,
1234                 efi_handle_t *notify_handle);
1235         efi_status_t(EFIAPI *unregister_package_notify)(
1236                 const struct efi_hii_database_protocol *this,
1237                 efi_handle_t notification_handle
1238                 );
1239         efi_status_t(EFIAPI *find_keyboard_layouts)(
1240                 const struct efi_hii_database_protocol *this,
1241                 u16 *key_guid_buffer_length,
1242                 efi_guid_t *key_guid_buffer);
1243         efi_status_t(EFIAPI *get_keyboard_layout)(
1244                 const struct efi_hii_database_protocol *this,
1245                 efi_guid_t *key_guid,
1246                 u16 *keyboard_layout_length,
1247                 struct efi_hii_keyboard_layout *keyboard_layout);
1248         efi_status_t(EFIAPI *set_keyboard_layout)(
1249                 const struct efi_hii_database_protocol *this,
1250                 efi_guid_t *key_guid);
1251         efi_status_t(EFIAPI *get_package_list_handle)(
1252                 const struct efi_hii_database_protocol *this,
1253                 efi_hii_handle_t package_list_handle,
1254                 efi_handle_t *driver_handle);
1255 };
1256
1257 #define EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID \
1258         EFI_GUID(0x587e72d7, 0xcc50, 0x4f79, \
1259                  0x82, 0x09, 0xca, 0x29, 0x1f, 0xc1, 0xa1, 0x0f)
1260
1261 struct efi_hii_config_routing_protocol {
1262         efi_status_t(EFIAPI *extract_config)(
1263                 const struct efi_hii_config_routing_protocol *this,
1264                 const efi_string_t request,
1265                 efi_string_t *progress,
1266                 efi_string_t *results);
1267         efi_status_t(EFIAPI *export_config)(
1268                 const struct efi_hii_config_routing_protocol *this,
1269                 efi_string_t *results);
1270         efi_status_t(EFIAPI *route_config)(
1271                 const struct efi_hii_config_routing_protocol *this,
1272                 const efi_string_t configuration,
1273                 efi_string_t *progress);
1274         efi_status_t(EFIAPI *block_to_config)(
1275                 const struct efi_hii_config_routing_protocol *this,
1276                 const efi_string_t config_request,
1277                 const uint8_t *block,
1278                 const efi_uintn_t block_size,
1279                 efi_string_t *config,
1280                 efi_string_t *progress);
1281         efi_status_t(EFIAPI *config_to_block)(
1282                 const struct efi_hii_config_routing_protocol *this,
1283                 const efi_string_t config_resp,
1284                 const uint8_t *block,
1285                 const efi_uintn_t *block_size,
1286                 efi_string_t *progress);
1287         efi_status_t(EFIAPI *get_alt_config)(
1288                 const struct efi_hii_config_routing_protocol *this,
1289                 const efi_string_t config_resp,
1290                 const efi_guid_t *guid,
1291                 const efi_string_t name,
1292                 const struct efi_device_path *device_path,
1293                 const efi_string_t alt_cfg_id,
1294                 efi_string_t *alt_cfg_resp);
1295 };
1296
1297 #define EFI_HII_CONFIG_ACCESS_PROTOCOL_GUID \
1298         EFI_GUID(0x330d4706, 0xf2a0, 0x4e4f, \
1299                  0xa3, 0x69, 0xb6, 0x6f, 0xa8, 0xd5, 0x43, 0x85)
1300
1301 struct efi_hii_config_access_protocol {
1302         efi_status_t(EFIAPI *extract_config_access)(
1303                 const struct efi_hii_config_access_protocol *this,
1304                 const efi_string_t request,
1305                 efi_string_t *progress,
1306                 efi_string_t *results);
1307         efi_status_t(EFIAPI *route_config_access)(
1308                 const struct efi_hii_config_access_protocol *this,
1309                 const efi_string_t configuration,
1310                 efi_string_t *progress);
1311         efi_status_t(EFIAPI *form_callback)(
1312                 const struct efi_hii_config_access_protocol *this,
1313                 efi_browser_action_t action,
1314                 efi_question_id_t question_id,
1315                 u8 type,
1316                 union efi_ifr_type_value *value,
1317                 efi_browser_action_request_t *action_request);
1318 };
1319
1320 #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
1321         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
1322                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
1323
1324 #define EFI_GOT_RGBA8           0
1325 #define EFI_GOT_BGRA8           1
1326 #define EFI_GOT_BITMASK         2
1327
1328 struct efi_gop_mode_info {
1329         u32 version;
1330         u32 width;
1331         u32 height;
1332         u32 pixel_format;
1333         u32 pixel_bitmask[4];
1334         u32 pixels_per_scanline;
1335 };
1336
1337 struct efi_gop_mode {
1338         u32 max_mode;
1339         u32 mode;
1340         struct efi_gop_mode_info *info;
1341         unsigned long info_size;
1342         efi_physical_addr_t fb_base;
1343         unsigned long fb_size;
1344 };
1345
1346 struct efi_gop_pixel {
1347         u8 blue;
1348         u8 green;
1349         u8 red;
1350         u8 reserved;
1351 };
1352
1353 #define EFI_BLT_VIDEO_FILL              0
1354 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
1355 #define EFI_BLT_BUFFER_TO_VIDEO         2
1356 #define EFI_BLT_VIDEO_TO_VIDEO          3
1357
1358 struct efi_gop {
1359         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
1360                                           efi_uintn_t *size_of_info,
1361                                           struct efi_gop_mode_info **info);
1362         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
1363         efi_status_t (EFIAPI *blt)(struct efi_gop *this,
1364                                    struct efi_gop_pixel *buffer,
1365                                    u32 operation, efi_uintn_t sx,
1366                                    efi_uintn_t sy, efi_uintn_t dx,
1367                                    efi_uintn_t dy, efi_uintn_t width,
1368                                    efi_uintn_t height, efi_uintn_t delta);
1369         struct efi_gop_mode *mode;
1370 };
1371
1372 #define EFI_SIMPLE_NETWORK_PROTOCOL_GUID \
1373         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
1374                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1375
1376 struct efi_mac_address {
1377         char mac_addr[32];
1378 };
1379
1380 struct efi_ip_address {
1381         u8 ip_addr[16];
1382 } __attribute__((aligned(4)));
1383
1384 enum efi_simple_network_state {
1385         EFI_NETWORK_STOPPED,
1386         EFI_NETWORK_STARTED,
1387         EFI_NETWORK_INITIALIZED,
1388 };
1389
1390 struct efi_simple_network_mode {
1391         enum efi_simple_network_state state;
1392         u32 hwaddr_size;
1393         u32 media_header_size;
1394         u32 max_packet_size;
1395         u32 nvram_size;
1396         u32 nvram_access_size;
1397         u32 receive_filter_mask;
1398         u32 receive_filter_setting;
1399         u32 max_mcast_filter_count;
1400         u32 mcast_filter_count;
1401         struct efi_mac_address mcast_filter[16];
1402         struct efi_mac_address current_address;
1403         struct efi_mac_address broadcast_address;
1404         struct efi_mac_address permanent_address;
1405         u8 if_type;
1406         u8 mac_changeable;
1407         u8 multitx_supported;
1408         u8 media_present_supported;
1409         u8 media_present;
1410 };
1411
1412 /* receive_filters bit mask */
1413 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
1414 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
1415 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
1416 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
1417 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
1418
1419 /* interrupt status bit mask */
1420 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT    0x01
1421 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT   0x02
1422 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT    0x04
1423 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT   0x08
1424
1425 /* revision of the simple network protocol */
1426 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION    0x00010000
1427
1428 struct efi_simple_network {
1429         u64 revision;
1430         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
1431         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
1432         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
1433                         ulong extra_rx, ulong extra_tx);
1434         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
1435                         int extended_verification);
1436         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
1437         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
1438                         u32 enable, u32 disable, int reset_mcast_filter,
1439                         ulong mcast_filter_count,
1440                         struct efi_mac_address *mcast_filter);
1441         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
1442                         int reset, struct efi_mac_address *new_mac);
1443         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
1444                         int reset, ulong *stat_size, void *stat_table);
1445         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
1446                         int ipv6, struct efi_ip_address *ip,
1447                         struct efi_mac_address *mac);
1448         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
1449                         int read_write, ulong offset, ulong buffer_size,
1450                         char *buffer);
1451         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
1452                         u32 *int_status, void **txbuf);
1453         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
1454                         size_t header_size, size_t buffer_size, void *buffer,
1455                         struct efi_mac_address *src_addr,
1456                         struct efi_mac_address *dest_addr, u16 *protocol);
1457         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
1458                         size_t *header_size, size_t *buffer_size, void *buffer,
1459                         struct efi_mac_address *src_addr,
1460                         struct efi_mac_address *dest_addr, u16 *protocol);
1461         struct efi_event *wait_for_packet;
1462         struct efi_simple_network_mode *mode;
1463         /* private fields */
1464         u32 int_status;
1465 };
1466
1467 #define EFI_PXE_BASE_CODE_PROTOCOL_GUID \
1468         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
1469                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1470
1471 #define EFI_PXE_BASE_CODE_PROTOCOL_REVISION 0x00010000
1472 #define EFI_PXE_BASE_CODE_MAX_IPCNT 8
1473
1474 struct efi_pxe_packet {
1475         u8 packet[1472];
1476 };
1477
1478 struct efi_pxe_mode {
1479         u8 started;
1480         u8 ipv6_available;
1481         u8 ipv6_supported;
1482         u8 using_ipv6;
1483         u8 bis_supported;
1484         u8 bis_detected;
1485         u8 auto_arp;
1486         u8 send_guid;
1487         u8 dhcp_discover_valid;
1488         u8 dhcp_ack_received;
1489         u8 proxy_offer_received;
1490         u8 pxe_discover_valid;
1491         u8 pxe_reply_received;
1492         u8 pxe_bis_reply_received;
1493         u8 icmp_error_received;
1494         u8 tftp_error_received;
1495         u8 make_callbacks;
1496         u8 ttl;
1497         u8 tos;
1498         u8 pad;
1499         struct efi_ip_address station_ip;
1500         struct efi_ip_address subnet_mask;
1501         struct efi_pxe_packet dhcp_discover;
1502         struct efi_pxe_packet dhcp_ack;
1503         struct efi_pxe_packet proxy_offer;
1504         struct efi_pxe_packet pxe_discover;
1505         struct efi_pxe_packet pxe_reply;
1506 };
1507
1508 struct efi_pxe_base_code_srvlist {
1509         u16 type;
1510         u8 accept_any_response;
1511         u8 reserved;
1512         struct efi_ip_address ip_addr;
1513 };
1514
1515 struct efi_pxe_base_code_discover_info {
1516         u8 use_m_cast;
1517         u8 use_b_cast;
1518         u8 use_u_cast;
1519         u8 must_use_list;
1520         struct efi_ip_address server_m_cast_ip;
1521         u16 ip_cnt;
1522         struct efi_pxe_base_code_srvlist srv_list[];
1523 };
1524
1525 struct efi_pxe_base_code_mtftp_info {
1526         struct efi_ip_address m_cast_ip;
1527         u16 cport;
1528         u16 sport;
1529         u16 listen_timeout;
1530         u16 transit_timeout;
1531 };
1532
1533 struct efi_pxe_base_code_filter {
1534         u8 filters;
1535         u8 ip_cnt;
1536         u16 reserved;
1537         struct efi_ip_address ip_list[EFI_PXE_BASE_CODE_MAX_IPCNT];
1538 };
1539
1540 struct efi_pxe_base_code_dhcpv4_packet {
1541         u8 bootp_op_code;
1542         u8 bootp_hw_type;
1543         u8 bootp_addr_len;
1544         u8 bootp_gate_hops;
1545         u32 bootp_ident;
1546         u16 bootp_seconds;
1547         u16 bootp_flags;
1548         u8 bootp_ci_addr[4];
1549         u8 bootp_yi_addr[4];
1550         u8 bootp_si_addr[4];
1551         u8 bootp_gi_addr[4];
1552         u8 bootp_hw_addr[16];
1553         u8 bootp_srv_name[64];
1554         u8 bootp_boot_file[128];
1555         u32 dhcp_magick;
1556         u8 dhcp_options[56];
1557 };
1558
1559 struct efi_pxe_base_code_dhcpv6_packet {
1560         u8 message_type;
1561         u8 transaction_id[3];
1562         u8 dhcp_options[1024];
1563 };
1564
1565 typedef union {
1566         u8 raw[1472];
1567         struct efi_pxe_base_code_dhcpv4_packet dhcpv4;
1568         struct efi_pxe_base_code_dhcpv6_packet dhcpv6;
1569 } EFI_PXE_BASE_CODE_PACKET;
1570
1571 struct efi_pxe_base_code_protocol {
1572         u64 revision;
1573         efi_status_t (EFIAPI *start)(struct efi_pxe_base_code_protocol *this,
1574                                      u8 use_ipv6);
1575         efi_status_t (EFIAPI *stop)(struct efi_pxe_base_code_protocol *this);
1576         efi_status_t (EFIAPI *dhcp)(struct efi_pxe_base_code_protocol *this,
1577                                     u8 sort_offers);
1578         efi_status_t (EFIAPI *discover)(
1579                                 struct efi_pxe_base_code_protocol *this,
1580                                 u16 type, u16 *layer, u8 bis,
1581                                 struct efi_pxe_base_code_discover_info *info);
1582         efi_status_t (EFIAPI *mtftp)(
1583                                 struct efi_pxe_base_code_protocol *this,
1584                                 u32 operation, void *buffer_ptr,
1585                                 u8 overwrite, efi_uintn_t *buffer_size,
1586                                 struct efi_ip_address server_ip, char *filename,
1587                                 struct efi_pxe_base_code_mtftp_info *info,
1588                                 u8 dont_use_buffer);
1589         efi_status_t (EFIAPI *udp_write)(
1590                                 struct efi_pxe_base_code_protocol *this,
1591                                 u16 op_flags, struct efi_ip_address *dest_ip,
1592                                 u16 *dest_port,
1593                                 struct efi_ip_address *gateway_ip,
1594                                 struct efi_ip_address *src_ip, u16 *src_port,
1595                                 efi_uintn_t *header_size, void *header_ptr,
1596                                 efi_uintn_t *buffer_size, void *buffer_ptr);
1597         efi_status_t (EFIAPI *udp_read)(
1598                                 struct efi_pxe_base_code_protocol *this,
1599                                 u16 op_flags, struct efi_ip_address *dest_ip,
1600                                 u16 *dest_port, struct efi_ip_address *src_ip,
1601                                 u16 *src_port, efi_uintn_t *header_size,
1602                                 void *header_ptr, efi_uintn_t *buffer_size,
1603                                 void *buffer_ptr);
1604         efi_status_t (EFIAPI *set_ip_filter)(
1605                                 struct efi_pxe_base_code_protocol *this,
1606                                 struct efi_pxe_base_code_filter *new_filter);
1607         efi_status_t (EFIAPI *arp)(struct efi_pxe_base_code_protocol *this,
1608                                    struct efi_ip_address *ip_addr,
1609                                    struct efi_mac_address *mac_addr);
1610         efi_status_t (EFIAPI *set_parameters)(
1611                                 struct efi_pxe_base_code_protocol *this,
1612                                 u8 *new_auto_arp, u8 *new_send_guid,
1613                                 u8 *new_ttl, u8 *new_tos,
1614                                 u8 *new_make_callback);
1615         efi_status_t (EFIAPI *set_station_ip)(
1616                                 struct efi_pxe_base_code_protocol *this,
1617                                 struct efi_ip_address *new_station_ip,
1618                                 struct efi_ip_address *new_subnet_mask);
1619         efi_status_t (EFIAPI *set_packets)(
1620                                 struct efi_pxe_base_code_protocol *this,
1621                                 u8 *new_dhcp_discover_valid,
1622                                 u8 *new_dhcp_ack_received,
1623                                 u8 *new_proxy_offer_received,
1624                                 u8 *new_pxe_discover_valid,
1625                                 u8 *new_pxe_reply_received,
1626                                 u8 *new_pxe_bis_reply_received,
1627                                 EFI_PXE_BASE_CODE_PACKET *new_dchp_discover,
1628                                 EFI_PXE_BASE_CODE_PACKET *new_dhcp_acc,
1629                                 EFI_PXE_BASE_CODE_PACKET *new_proxy_offer,
1630                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_discover,
1631                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_reply,
1632                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_bis_reply);
1633         struct efi_pxe_mode *mode;
1634 };
1635
1636 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
1637         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
1638                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1639 #define EFI_FILE_PROTOCOL_REVISION      0x00010000
1640 #define EFI_FILE_PROTOCOL_REVISION2     0x00020000
1641 #define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2
1642
1643 struct efi_file_io_token {
1644         struct efi_event *event;
1645         efi_status_t status;
1646         efi_uintn_t buffer_size;
1647         void *buffer;};
1648
1649 struct efi_file_handle {
1650         u64 rev;
1651         efi_status_t (EFIAPI *open)(struct efi_file_handle *this,
1652                         struct efi_file_handle **new_handle,
1653                         u16 *file_name, u64 open_mode, u64 attributes);
1654         efi_status_t (EFIAPI *close)(struct efi_file_handle *this);
1655         efi_status_t (EFIAPI *delete)(struct efi_file_handle *this);
1656         efi_status_t (EFIAPI *read)(struct efi_file_handle *this,
1657                         efi_uintn_t *buffer_size, void *buffer);
1658         efi_status_t (EFIAPI *write)(struct efi_file_handle *this,
1659                         efi_uintn_t *buffer_size, void *buffer);
1660         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *this,
1661                                       u64 *pos);
1662         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *this,
1663                                       u64 pos);
1664         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *this,
1665                         const efi_guid_t *info_type, efi_uintn_t *buffer_size,
1666                         void *buffer);
1667         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *this,
1668                         const efi_guid_t *info_type, efi_uintn_t buffer_size,
1669                         void *buffer);
1670         efi_status_t (EFIAPI *flush)(struct efi_file_handle *this);
1671         efi_status_t (EFIAPI *open_ex)(struct efi_file_handle *this,
1672                         struct efi_file_handle **new_handle,
1673                         u16 *file_name, u64 open_mode, u64 attributes,
1674                         struct efi_file_io_token *token);
1675         efi_status_t (EFIAPI *read_ex)(struct efi_file_handle *this,
1676                         struct efi_file_io_token *token);
1677         efi_status_t (EFIAPI *write_ex)(struct efi_file_handle *this,
1678                         struct efi_file_io_token *token);
1679         efi_status_t (EFIAPI *flush_ex)(struct efi_file_handle *this,
1680                         struct efi_file_io_token *token);
1681 };
1682
1683 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
1684
1685 struct efi_simple_file_system_protocol {
1686         u64 rev;
1687         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
1688                         struct efi_file_handle **root);
1689 };
1690
1691 #define EFI_FILE_INFO_GUID \
1692         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
1693                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1694
1695 #define EFI_FILE_SYSTEM_INFO_GUID \
1696         EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
1697                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1698
1699 #define EFI_FILE_SYSTEM_VOLUME_LABEL_ID \
1700         EFI_GUID(0xdb47d7d3, 0xfe81, 0x11d3, \
1701                  0x9a, 0x35, 0x00, 0x90, 0x27, 0x3f, 0xC1, 0x4d)
1702
1703 #define EFI_FILE_MODE_READ      0x0000000000000001
1704 #define EFI_FILE_MODE_WRITE     0x0000000000000002
1705 #define EFI_FILE_MODE_CREATE    0x8000000000000000
1706
1707 #define EFI_FILE_READ_ONLY      0x0000000000000001
1708 #define EFI_FILE_HIDDEN         0x0000000000000002
1709 #define EFI_FILE_SYSTEM         0x0000000000000004
1710 #define EFI_FILE_RESERVED       0x0000000000000008
1711 #define EFI_FILE_DIRECTORY      0x0000000000000010
1712 #define EFI_FILE_ARCHIVE        0x0000000000000020
1713 #define EFI_FILE_VALID_ATTR     0x0000000000000037
1714
1715 struct efi_file_info {
1716         u64 size;
1717         u64 file_size;
1718         u64 physical_size;
1719         struct efi_time create_time;
1720         struct efi_time last_access_time;
1721         struct efi_time modification_time;
1722         u64 attribute;
1723         u16 file_name[0];
1724 };
1725
1726 struct efi_file_system_info {
1727         u64 size;
1728         u8 read_only;
1729         u64 volume_size;
1730         u64 free_space;
1731         u32 block_size;
1732         u16 volume_label[0];
1733 };
1734
1735 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
1736         EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
1737                  0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
1738 struct efi_driver_binding_protocol {
1739         efi_status_t (EFIAPI * supported)(
1740                         struct efi_driver_binding_protocol *this,
1741                         efi_handle_t controller_handle,
1742                         struct efi_device_path *remaining_device_path);
1743         efi_status_t (EFIAPI * start)(
1744                         struct efi_driver_binding_protocol *this,
1745                         efi_handle_t controller_handle,
1746                         struct efi_device_path *remaining_device_path);
1747         efi_status_t (EFIAPI * stop)(
1748                         struct efi_driver_binding_protocol *this,
1749                         efi_handle_t controller_handle,
1750                         efi_uintn_t number_of_children,
1751                         efi_handle_t *child_handle_buffer);
1752         u32 version;
1753         efi_handle_t image_handle;
1754         efi_handle_t driver_binding_handle;
1755 };
1756
1757 /* Current version of the Unicode collation protocol */
1758 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
1759         EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
1760                  0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
1761 struct efi_unicode_collation_protocol {
1762         efi_intn_t (EFIAPI *stri_coll)(
1763                 struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2);
1764         bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this,
1765                                    const u16 *string, const u16 *patter);
1766         void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol
1767                                *this, u16 *string);
1768         void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this,
1769                                u16 *string);
1770         void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this,
1771                                   efi_uintn_t fat_size, char *fat, u16 *string);
1772         bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this,
1773                                   const u16 *string, efi_uintn_t fat_size,
1774                                   char *fat);
1775         char *supported_languages;
1776 };
1777
1778 struct efi_load_file_protocol {
1779         efi_status_t (EFIAPI *load_file)(struct efi_load_file_protocol *this,
1780                                          struct efi_device_path *file_path,
1781                                          bool boot_policy,
1782                                          efi_uintn_t *buffer_size,
1783                                          void *buffer);
1784 };
1785
1786 struct efi_system_resource_entry {
1787         efi_guid_t fw_class;
1788         u32 fw_type;
1789         u32 fw_version;
1790         u32 lowest_supported_fw_version;
1791         u32 capsule_flags;
1792         u32 last_attempt_version;
1793         u32 last_attempt_status;
1794 } __packed;
1795
1796 struct efi_system_resource_table {
1797         u32 fw_resource_count;
1798         u32 fw_resource_count_max;
1799         u64 fw_resource_version;
1800         struct efi_system_resource_entry entries[];
1801 } __packed;
1802
1803 /* Boot manager load options */
1804 #define LOAD_OPTION_ACTIVE              0x00000001
1805 #define LOAD_OPTION_FORCE_RECONNECT     0x00000002
1806 #define LOAD_OPTION_HIDDEN              0x00000008
1807 /* All values 0x00000200-0x00001F00 are reserved */
1808 #define LOAD_OPTION_CATEGORY            0x00001F00
1809 #define LOAD_OPTION_CATEGORY_BOOT       0x00000000
1810 #define LOAD_OPTION_CATEGORY_APP        0x00000100
1811
1812 /*
1813  * System Resource Table
1814  */
1815 /* Firmware Type Definitions */
1816 #define ESRT_FW_TYPE_UNKNOWN            0x00000000
1817 #define ESRT_FW_TYPE_SYSTEMFIRMWARE     0x00000001
1818 #define ESRT_FW_TYPE_DEVICEFIRMWARE     0x00000002
1819 #define ESRT_FW_TYPE_UEFIDRIVER         0x00000003
1820
1821 #define EFI_SYSTEM_RESOURCE_TABLE_GUID\
1822         EFI_GUID(0xb122a263, 0x3661, 0x4f68,\
1823                 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80)
1824
1825 /* Last Attempt Status Values */
1826 #define LAST_ATTEMPT_STATUS_SUCCESS                     0x00000000
1827 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL          0x00000001
1828 #define LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES 0x00000002
1829 #define LAST_ATTEMPT_STATUS_ERROR_INCORRECT_VERSION     0x00000003
1830 #define LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT        0x00000004
1831 #define LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR            0x00000005
1832 #define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_AC            0x00000006
1833 #define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_BATT          0x00000007
1834 #define LAST_ATTEMPT_STATUS_ERROR_UNSATISFIED_DEPENDENCIES 0x00000008
1835
1836 /*
1837  * The LastAttemptStatus values of 0x1000 - 0x4000 are reserved for vendor
1838  * usage.
1839  */
1840 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MIN 0x00001000
1841 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MAX 0x00004000
1842
1843 /* Certificate types in signature database */
1844 #define EFI_CERT_SHA256_GUID \
1845         EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, \
1846                  0x41, 0xf9, 0x36, 0x93, 0x43, 0x28)
1847 #define EFI_CERT_RSA2048_GUID \
1848         EFI_GUID(0x3c5766e8, 0x269c, 0x4e34, 0xaa, 0x14, \
1849                  0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6)
1850 #define EFI_CERT_X509_GUID \
1851         EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, \
1852                  0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72)
1853 #define EFI_CERT_X509_SHA256_GUID \
1854         EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, \
1855                  0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed)
1856 #define EFI_CERT_TYPE_PKCS7_GUID \
1857         EFI_GUID(0x4aafd29d, 0x68df, 0x49ee, 0x8a, 0xa9, \
1858                  0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7)
1859
1860 /**
1861  * struct win_certificate_uefi_guid - A certificate that encapsulates
1862  * a GUID-specific signature
1863  *
1864  * @hdr:        Windows certificate header
1865  * @cert_type:  Certificate type
1866  * @cert_data:  Certificate data
1867  */
1868 struct win_certificate_uefi_guid {
1869         WIN_CERTIFICATE hdr;
1870         efi_guid_t      cert_type;
1871         u8              cert_data[];
1872 } __attribute__((__packed__));
1873
1874 /**
1875  * struct efi_variable_authentication_2 - A time-based authentication method
1876  * descriptor
1877  *
1878  * This structure describes an authentication information for
1879  * a variable with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
1880  * and should be included as part of a variable's value.
1881  * Only EFI_CERT_TYPE_PKCS7_GUID is accepted.
1882  *
1883  * @time_stamp: Descriptor's time stamp
1884  * @auth_info:  Authentication info
1885  */
1886 struct efi_variable_authentication_2 {
1887         struct efi_time                  time_stamp;
1888         struct win_certificate_uefi_guid auth_info;
1889 } __attribute__((__packed__));
1890
1891 /**
1892  * struct efi_firmware_image_authentication - Capsule authentication method
1893  * descriptor
1894  *
1895  * This structure describes an authentication information for
1896  * a capsule with IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED set
1897  * and should be included as part of the capsule.
1898  * Only EFI_CERT_TYPE_PKCS7_GUID is accepted.
1899  *
1900  * @monotonic_count: Count to prevent replay
1901  * @auth_info: Authentication info
1902  */
1903 struct efi_firmware_image_authentication {
1904         uint64_t monotonic_count;
1905         struct win_certificate_uefi_guid auth_info;
1906 } __attribute__((__packed__));
1907
1908
1909 /**
1910  * struct efi_signature_data - A format of signature
1911  *
1912  * This structure describes a single signature in signature database.
1913  *
1914  * @signature_owner:    Signature owner
1915  * @signature_data:     Signature data
1916  */
1917 struct efi_signature_data {
1918         efi_guid_t      signature_owner;
1919         u8              signature_data[];
1920 } __attribute__((__packed__));
1921
1922 /**
1923  * struct efi_signature_list - A format of signature database
1924  *
1925  * This structure describes a list of signatures with the same type.
1926  * An authenticated variable's value is a concatenation of one or more
1927  * efi_signature_list's.
1928  *
1929  * @signature_type:             Signature type
1930  * @signature_list_size:        Size of signature list
1931  * @signature_header_size:      Size of signature header
1932  * @signature_size:             Size of signature
1933  */
1934 struct efi_signature_list {
1935         efi_guid_t      signature_type;
1936         u32             signature_list_size;
1937         u32             signature_header_size;
1938         u32             signature_size;
1939 /*      u8              signature_header[signature_header_size]; */
1940 /*      struct efi_signature_data signatures[...][signature_size]; */
1941 } __attribute__((__packed__));
1942
1943 /*
1944  * Firmware management protocol
1945  */
1946 #define EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GUID \
1947         EFI_GUID(0x86c77a67, 0x0b97, 0x4633, 0xa1, 0x87, \
1948                  0x49, 0x10, 0x4d, 0x06, 0x85, 0xc7)
1949
1950 #define EFI_FIRMWARE_IMAGE_TYPE_UBOOT_FIT_GUID \
1951         EFI_GUID(0xae13ff2d, 0x9ad4, 0x4e25, 0x9a, 0xc8, \
1952                  0x6d, 0x80, 0xb3, 0xb2, 0x21, 0x47)
1953
1954 #define EFI_FIRMWARE_IMAGE_TYPE_UBOOT_RAW_GUID \
1955         EFI_GUID(0xe2bb9c06, 0x70e9, 0x4b14, 0x97, 0xa3, \
1956                  0x5a, 0x79, 0x13, 0x17, 0x6e, 0x3f)
1957
1958 #define IMAGE_ATTRIBUTE_IMAGE_UPDATABLE         0x0000000000000001
1959 #define IMAGE_ATTRIBUTE_RESET_REQUIRED          0x0000000000000002
1960 #define IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED 0x0000000000000004
1961 #define IMAGE_ATTRIBUTE_IN_USE                  0x0000000000000008
1962 #define IMAGE_ATTRIBUTE_UEFI_IMAGE              0x0000000000000010
1963 #define IMAGE_ATTRIBUTE_DEPENDENCY              0x0000000000000020
1964
1965 #define IMAGE_COMPATIBILITY_CHECK_SUPPORTED     0x0000000000000001
1966
1967 #define IMAGE_UPDATABLE_VALID                   0x0000000000000001
1968 #define IMAGE_UPDATABLE_INVALID                 0x0000000000000002
1969 #define IMAGE_UPDATABLE_INVALID_TYPE            0x0000000000000004
1970 #define IMAGE_UPDATABLE_INVALID_OLLD            0x0000000000000008
1971 #define IMAGE_UPDATABLE_VALID_WITH_VENDOR_CODE  0x0000000000000010
1972
1973 #define PACKAGE_ATTRIBUTE_VERSION_UPDATABLE             0x0000000000000001
1974 #define PACKAGE_ATTRIBUTE_RESET_REQUIRED                0x0000000000000002
1975 #define PACKAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED       0x0000000000000004
1976
1977 #define EFI_FIRMWARE_IMAGE_DESCRIPTOR_VERSION   4
1978
1979 typedef struct efi_firmware_image_dependencies {
1980         u8 dependencies[0];
1981 } efi_firmware_image_dep_t;
1982
1983 struct efi_firmware_image_descriptor {
1984         u8 image_index;
1985         efi_guid_t image_type_id;
1986         u64 image_id;
1987         u16 *image_id_name;
1988         u32 version;
1989         u16 *version_name;
1990         efi_uintn_t size;
1991         u64 attributes_supported;
1992         u64 attributes_setting;
1993         u64 compatibilities;
1994         u32 lowest_supported_image_version;
1995         u32 last_attempt_version;
1996         u32 last_attempt_status;
1997         u64 hardware_instance;
1998         efi_firmware_image_dep_t *dependencies;
1999 };
2000
2001 struct efi_firmware_management_protocol {
2002         efi_status_t (EFIAPI *get_image_info)(
2003                         struct efi_firmware_management_protocol *this,
2004                         efi_uintn_t *image_info_size,
2005                         struct efi_firmware_image_descriptor *image_info,
2006                         u32 *descriptor_version,
2007                         u8 *descriptor_count,
2008                         efi_uintn_t *descriptor_size,
2009                         u32 *package_version,
2010                         u16 **package_version_name);
2011         efi_status_t (EFIAPI *get_image)(
2012                         struct efi_firmware_management_protocol *this,
2013                         u8 image_index,
2014                         void *image,
2015                         efi_uintn_t *image_size);
2016         efi_status_t (EFIAPI *set_image)(
2017                         struct efi_firmware_management_protocol *this,
2018                         u8 image_index,
2019                         const void *image,
2020                         efi_uintn_t image_size,
2021                         const void *vendor_code,
2022                         efi_status_t (*progress)(efi_uintn_t completion),
2023                         u16 **abort_reason);
2024         efi_status_t (EFIAPI *check_image)(
2025                         struct efi_firmware_management_protocol *this,
2026                         u8 image_index,
2027                         const void *image,
2028                         efi_uintn_t *image_size,
2029                         u32 *image_updatable);
2030         efi_status_t (EFIAPI *get_package_info)(
2031                         struct efi_firmware_management_protocol *this,
2032                         u32 *package_version,
2033                         u16 **package_version_name,
2034                         u32 *package_version_name_maxlen,
2035                         u64 *attributes_supported,
2036                         u64 *attributes_setting);
2037         efi_status_t (EFIAPI *set_package_info)(
2038                         struct efi_firmware_management_protocol *this,
2039                         const void *image,
2040                         efi_uintn_t *image_size,
2041                         const void *vendor_code,
2042                         u32 package_version,
2043                         const u16 *package_version_name);
2044 };
2045
2046 #define EFI_DISK_IO_PROTOCOL_GUID       \
2047         EFI_GUID(0xce345171, 0xba0b, 0x11d2, 0x8e, 0x4f, \
2048                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
2049
2050 struct efi_disk {
2051         u64 revision;
2052         efi_status_t (EFIAPI *read_disk)(struct efi_disk *this, u32 media_id,
2053                                          u64 offset, efi_uintn_t buffer_size,
2054                                          void *buffer);
2055
2056         efi_status_t (EFIAPI *write_disk)(struct efi_disk *this, u32 media_id,
2057                                           u64 offset, efi_uintn_t buffer_size,
2058                                           void *buffer);
2059 };
2060
2061 #endif