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 #define EFI_CONFORMANCE_PROFILES_TABLE_GUID \
 230         EFI_GUID(0x36122546, 0xf7ef, 0x4c8f, 0xbd, 0x9b, \
 231                  0xeb, 0x85, 0x25, 0xb5, 0x0c, 0x0b)
 232
 233 #define EFI_CONFORMANCE_PROFILES_TABLE_VERSION 1
 234
 235 #define EFI_CONFORMANCE_PROFILE_EBBR_2_0_GUID \
 236         EFI_GUID(0xcce33c35, 0x74ac, 0x4087, 0xbc, 0xe7, \
 237                  0x8b, 0x29, 0xb0, 0x2e, 0xeb, 0x27)
 238
 239 struct efi_conformance_profiles_table {
 240         u16 version;
 241         u16 number_of_profiles;
 242         efi_guid_t      conformance_profiles[];
 243 } __packed;
 244
 245 struct efi_capsule_header {
 246         efi_guid_t capsule_guid;
 247         u32 header_size;
 248         u32 flags;
 249         u32 capsule_image_size;
 250 } __packed;
 251
 252 struct efi_capsule_result_variable_header {
 253         u32 variable_total_size;
 254         u32 reserved;
 255         efi_guid_t capsule_guid;
 256         struct efi_time capsule_processed;
 257         efi_status_t capsule_status;
 258 } __packed;
 259
 260 struct efi_memory_range {
 261         efi_physical_addr_t     address;
 262         u64                     length;
 263 };
 264
 265 struct efi_memory_range_capsule {
 266         struct efi_capsule_header *header;
 267         /* EFI_MEMORY_TYPE: 0x80000000-0xFFFFFFFF */
 268         enum efi_memory_type os_requested_memory_type;
 269         u64 number_of_memory_ranges;
 270         struct efi_memory_range memory_ranges[];
 271 } __packed;
 272
 273 struct efi_firmware_management_capsule_header {
 274         u32 version;
 275         u16 embedded_driver_count;
 276         u16 payload_item_count;
 277         u64 item_offset_list[];
 278 } __packed;
 279
 280 struct efi_firmware_management_capsule_image_header {
 281         u32 version;
 282         efi_guid_t update_image_type_id;
 283         u8 update_image_index;
 284         u8 reserved[3];
 285         u32 update_image_size;
 286         u32 update_vendor_code_size;
 287         u64 update_hardware_instance;
 288         u64 image_capsule_support;
 289 } __packed;
 290
 291 struct efi_capsule_result_variable_fmp {
 292         u16 version;
 293         u8 payload_index;
 294         u8 update_image_index;
 295         efi_guid_t update_image_type_id;
 296         // u16 capsule_file_name[];
 297         // u16 capsule_target[];
 298 } __packed;
 299
 300 #define EFI_RT_SUPPORTED_GET_TIME                       0x0001
 301 #define EFI_RT_SUPPORTED_SET_TIME                       0x0002
 302 #define EFI_RT_SUPPORTED_GET_WAKEUP_TIME                0x0004
 303 #define EFI_RT_SUPPORTED_SET_WAKEUP_TIME                0x0008
 304 #define EFI_RT_SUPPORTED_GET_VARIABLE                   0x0010
 305 #define EFI_RT_SUPPORTED_GET_NEXT_VARIABLE_NAME         0x0020
 306 #define EFI_RT_SUPPORTED_SET_VARIABLE                   0x0040
 307 #define EFI_RT_SUPPORTED_SET_VIRTUAL_ADDRESS_MAP        0x0080
 308 #define EFI_RT_SUPPORTED_CONVERT_POINTER                0x0100
 309 #define EFI_RT_SUPPORTED_GET_NEXT_HIGH_MONOTONIC_COUNT  0x0200
 310 #define EFI_RT_SUPPORTED_RESET_SYSTEM                   0x0400
 311 #define EFI_RT_SUPPORTED_UPDATE_CAPSULE                 0x0800
 312 #define EFI_RT_SUPPORTED_QUERY_CAPSULE_CAPABILITIES     0x1000
 313 #define EFI_RT_SUPPORTED_QUERY_VARIABLE_INFO            0x2000
 314
 315 #define EFI_RT_PROPERTIES_TABLE_GUID \
 316         EFI_GUID(0xeb66918a, 0x7eef, 0x402a, 0x84, 0x2e, \
 317                  0x93, 0x1d, 0x21, 0xc3, 0x8a, 0xe9)
 318
 319 #define EFI_RT_PROPERTIES_TABLE_VERSION 0x1
 320
 321 struct efi_rt_properties_table {
 322         u16 version;
 323         u16 length;
 324         u32 runtime_services_supported;
 325 };
 326
 327 #define EFI_OPTIONAL_PTR        0x00000001
 328
 329 struct efi_runtime_services {
 330         struct efi_table_hdr hdr;
 331         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 332                         struct efi_time_cap *capabilities);
 333         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 334         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 335                         struct efi_time *time);
 336         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 337                         struct efi_time *time);
 338         efi_status_t (EFIAPI *set_virtual_address_map)(
 339                         efi_uintn_t memory_map_size,
 340                         efi_uintn_t descriptor_size,
 341                         uint32_t descriptor_version,
 342                         struct efi_mem_desc *virtmap);
 343         efi_status_t (EFIAPI *convert_pointer)(
 344                         efi_uintn_t debug_disposition, void **address);
 345         efi_status_t (EFIAPI *get_variable)(u16 *variable_name,
 346                                             const efi_guid_t *vendor,
 347                                             u32 *attributes,
 348                                             efi_uintn_t *data_size, void *data);
 349         efi_status_t (EFIAPI *get_next_variable_name)(
 350                         efi_uintn_t *variable_name_size,
 351                         u16 *variable_name, efi_guid_t *vendor);
 352         efi_status_t (EFIAPI *set_variable)(u16 *variable_name,
 353                                             const efi_guid_t *vendor,
 354                                             u32 attributes,
 355                                             efi_uintn_t data_size,
 356                                             const void *data);
 357         efi_status_t (EFIAPI *get_next_high_mono_count)(
 358                         uint32_t *high_count);
 359         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 360                                     efi_status_t reset_status,
 361                                     unsigned long data_size, void *reset_data);
 362         efi_status_t (EFIAPI *update_capsule)(
 363                         struct efi_capsule_header **capsule_header_array,
 364                         efi_uintn_t capsule_count,
 365                         u64 scatter_gather_list);
 366         efi_status_t (EFIAPI *query_capsule_caps)(
 367                         struct efi_capsule_header **capsule_header_array,
 368                         efi_uintn_t capsule_count,
 369                         u64 *maximum_capsule_size,
 370                         u32 *reset_type);
 371         efi_status_t (EFIAPI *query_variable_info)(
 372                         u32 attributes,
 373                         u64 *maximum_variable_storage_size,
 374                         u64 *remaining_variable_storage_size,
 375                         u64 *maximum_variable_size);
 376 };
 377
 378 /* EFI event group GUID definitions */
 379
 380 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \
 381         EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \
 382                  0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf)
 383
 384 #define EFI_EVENT_GROUP_BEFORE_EXIT_BOOT_SERVICES \
 385         EFI_GUID(0x8be0e274, 0x3970, 0x4b44, 0x80, 0xc5, \
 386                  0x1a, 0xb9, 0x50, 0x2f, 0x3b, 0xfc)
 387
 388 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \
 389         EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \
 390                  0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96)
 391
 392 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \
 393         EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \
 394                  0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab)
 395
 396 #define EFI_EVENT_GROUP_READY_TO_BOOT \
 397         EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \
 398                  0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b)
 399
 400 #define EFI_EVENT_GROUP_AFTER_READY_TO_BOOT \
 401         EFI_GUID(0x3a2a00ad, 0x98b9, 0x4cdf, 0xa4, 0x78, \
 402                  0x70, 0x27, 0x77, 0xf1, 0xc1, 0xb)
 403
 404 #define EFI_EVENT_GROUP_RESET_SYSTEM \
 405         EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \
 406                  0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b)
 407
 408 /* EFI Configuration Table and GUID definitions */
 409 #define NULL_GUID \
 410         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 411                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 412
 413 #define EFI_GLOBAL_VARIABLE_GUID \
 414         EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
 415                  0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
 416
 417 #define EFI_IMAGE_SECURITY_DATABASE_GUID \
 418         EFI_GUID(0xd719b2cb, 0x3d3a, 0x4596, 0xa3, 0xbc, \
 419                  0xda, 0xd0, 0x0e, 0x67, 0x65, 0x6f)
 420
 421 #define EFI_FDT_GUID \
 422         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 423                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 424
 425 #define EFI_ACPI_TABLE_GUID \
 426         EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \
 427                  0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
 428
 429 #define SMBIOS_TABLE_GUID \
 430         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 431                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 432
 433 #define EFI_LOAD_FILE_PROTOCOL_GUID \
 434         EFI_GUID(0x56ec3091, 0x954c, 0x11d2, \
 435                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 436
 437 #define EFI_LOAD_FILE2_PROTOCOL_GUID \
 438         EFI_GUID(0x4006c0c1, 0xfcb3, 0x403e, \
 439                  0x99, 0x6d, 0x4a, 0x6c, 0x87, 0x24, 0xe0, 0x6d)
 440
 441 #define EFI_TCG2_FINAL_EVENTS_TABLE_GUID \
 442         EFI_GUID(0x1e2ed096, 0x30e2, 0x4254, 0xbd, \
 443                  0x89, 0x86, 0x3b, 0xbe, 0xf8, 0x23, 0x25)
 444
 445 #define EFI_RNG_PROTOCOL_GUID \
 446         EFI_GUID(0x3152bca5, 0xeade, 0x433d, 0x86, 0x2e, \
 447                  0xc0, 0x1c, 0xdc, 0x29, 0x1f, 0x44)
 448
 449 #define EFI_DT_FIXUP_PROTOCOL_GUID \
 450         EFI_GUID(0xe617d64c, 0xfe08, 0x46da, 0xf4, 0xdc, \
 451                  0xbb, 0xd5, 0x87, 0x0c, 0x73, 0x00)
 452
 453 #define EFI_TCG2_PROTOCOL_GUID \
 454         EFI_GUID(0x607f766c, 0x7455, 0x42be, 0x93, \
 455                  0x0b, 0xe4, 0xd7, 0x6d, 0xb2, 0x72, 0x0f)
 456
 457 #define RISCV_EFI_BOOT_PROTOCOL_GUID \
 458         EFI_GUID(0xccd15fec, 0x6f73, 0x4eec, 0x83, \
 459                  0x95, 0x3e, 0x69, 0xe4, 0xb9, 0x40, 0xbf)
 460
 461 /**
 462  * struct efi_configuration_table - EFI Configuration Table
 463  *
 464  * This table contains a set of GUID/pointer pairs.
 465  * The EFI Configuration Table may contain at most one instance of each table type.
 466  *
 467  * @guid:               GUID that uniquely identifies the system configuration table
 468  * @table:              A pointer to the table associated with guid
 469  */
 470 struct efi_configuration_table {
 471         efi_guid_t guid;
 472         void *table;
 473 } __packed;
 474
 475 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 476
 477 /**
 478  * struct efi_system_table - EFI System Table
 479  *
 480  * EFI System Table contains pointers to the runtime and boot services tables.
 481  *
 482  * @hdr:                The table header for the EFI System Table
 483  * @fw_vendor:          A pointer to a null terminated string that identifies the vendor
 484  *                      that produces the system firmware
 485  * @fw_revision:        The revision of the system firmware
 486  * @con_in_handle:      The handle for the active console input device
 487  * @con_in:             A pointer to the EFI_SIMPLE_TEXT_INPUT_PROTOCOL interface
 488  *                      that is associated with con_in_handle
 489  * @con_out_handle:     The handle for the active console output device
 490  * @con_out:            A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface
 491  *                      that is associated with con_out_handle
 492  * @stderr_handle:      The handle for the active standard error console device
 493  * @std_err:            A pointer to the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL interface
 494  *                      that is associated with stderr_handle
 495  * @runtime:            A pointer to the EFI Runtime Services Table
 496  * @boottime:           A pointer to the EFI Boot Services Table
 497  * @nr_tables:          The number of system configuration tables
 498  * @tables:             A pointer to the system configuration tables
 499  */
 500 struct efi_system_table {
 501         struct efi_table_hdr hdr;
 502         u16 *fw_vendor;   /* physical addr of wchar_t vendor string */
 503         u32 fw_revision;
 504         efi_handle_t con_in_handle;
 505         struct efi_simple_text_input_protocol *con_in;
 506         efi_handle_t con_out_handle;
 507         struct efi_simple_text_output_protocol *con_out;
 508         efi_handle_t stderr_handle;
 509         struct efi_simple_text_output_protocol *std_err;
 510         struct efi_runtime_services *runtime;
 511         struct efi_boot_services *boottime;
 512         efi_uintn_t nr_tables;
 513         struct efi_configuration_table *tables;
 514 };
 515
 516 #define EFI_LOADED_IMAGE_PROTOCOL_GUID \
 517         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 518                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 519
 520 #define EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID \
 521         EFI_GUID(0xbc62157e, 0x3e33, 0x4fec, \
 522                  0x99, 0x20, 0x2d, 0x3b, 0x36, 0xd7, 0x50, 0xdf)
 523
 524 #define EFI_LOADED_IMAGE_PROTOCOL_REVISION 0x1000
 525
 526 struct efi_loaded_image {
 527         u32 revision;
 528         void *parent_handle;
 529         struct efi_system_table *system_table;
 530         efi_handle_t device_handle;
 531         struct efi_device_path *file_path;
 532         void *reserved;
 533         u32 load_options_size;
 534         void *load_options;
 535         void *image_base;
 536         aligned_u64 image_size;
 537         unsigned int image_code_type;
 538         unsigned int image_data_type;
 539         efi_status_t (EFIAPI *unload)(efi_handle_t image_handle);
 540 };
 541
 542 #define EFI_DEVICE_PATH_PROTOCOL_GUID \
 543         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 544                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 545
 546 #define DEVICE_PATH_TYPE_END                    0x7f
 547 #  define DEVICE_PATH_SUB_TYPE_INSTANCE_END     0x01
 548 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 549
 550 struct efi_device_path {
 551         u8 type;
 552         u8 sub_type;
 553         u16 length;
 554 } __packed;
 555
 556 struct efi_mac_addr {
 557         u8 addr[32];
 558 } __packed;
 559
 560 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 561 #  define DEVICE_PATH_SUB_TYPE_MEMORY           0x03
 562 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 563
 564 struct efi_device_path_memory {
 565         struct efi_device_path dp;
 566         u32 memory_type;
 567         u64 start_address;
 568         u64 end_address;
 569 } __packed;
 570
 571 struct efi_device_path_vendor {
 572         struct efi_device_path dp;
 573         efi_guid_t guid;
 574         u8 vendor_data[];
 575 } __packed;
 576
 577 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 578 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 579
 580 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 581 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 582 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 583
 584 struct efi_device_path_acpi_path {
 585         struct efi_device_path dp;
 586         u32 hid;
 587         u32 uid;
 588 } __packed;
 589
 590 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 591 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI        0x01
 592 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI         0x02
 593 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 594 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 595 #  define DEVICE_PATH_SUB_TYPE_MSG_UART         0x0e
 596 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 597 #  define DEVICE_PATH_SUB_TYPE_MSG_SATA         0x12
 598 #  define DEVICE_PATH_SUB_TYPE_MSG_NVME         0x17
 599 #  define DEVICE_PATH_SUB_TYPE_MSG_URI          0x18
 600 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 601 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 602
 603 struct efi_device_path_atapi {
 604         struct efi_device_path dp;
 605         u8 primary_secondary;
 606         u8 slave_master;
 607         u16 logical_unit_number;
 608 } __packed;
 609
 610 struct efi_device_path_scsi {
 611         struct efi_device_path dp;
 612         u16 target_id;
 613         u16 logical_unit_number;
 614 } __packed;
 615
 616 struct efi_device_path_uart {
 617         struct efi_device_path dp;
 618         u32 reserved;
 619         u64 baud_rate;
 620         u8 data_bits;
 621         u8 parity;
 622         u8 stop_bits;
 623 } __packed;
 624
 625 struct efi_device_path_usb {
 626         struct efi_device_path dp;
 627         u8 parent_port_number;
 628         u8 usb_interface;
 629 } __packed;
 630
 631 struct efi_device_path_sata {
 632         struct efi_device_path dp;
 633         u16 hba_port;
 634         u16 port_multiplier_port;
 635         u16 logical_unit_number;
 636 } __packed;
 637
 638 struct efi_device_path_mac_addr {
 639         struct efi_device_path dp;
 640         struct efi_mac_addr mac;
 641         u8 if_type;
 642 } __packed;
 643
 644 struct efi_device_path_usb_class {
 645         struct efi_device_path dp;
 646         u16 vendor_id;
 647         u16 product_id;
 648         u8 device_class;
 649         u8 device_subclass;
 650         u8 device_protocol;
 651 } __packed;
 652
 653 struct efi_device_path_sd_mmc_path {
 654         struct efi_device_path dp;
 655         u8 slot_number;
 656 } __packed;
 657
 658 struct efi_device_path_nvme {
 659         struct efi_device_path dp;
 660         u32 ns_id;
 661         u8 eui64[8];
 662 } __packed;
 663
 664 struct efi_device_path_uri {
 665         struct efi_device_path dp;
 666         u8 uri[];
 667 } __packed;
 668
 669 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 670 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 671 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 672 #  define DEVICE_PATH_SUB_TYPE_VENDOR_PATH      0x03
 673 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 674
 675 struct efi_device_path_hard_drive_path {
 676         struct efi_device_path dp;
 677         u32 partition_number;
 678         u64 partition_start;
 679         u64 partition_end;
 680         u8 partition_signature[16];
 681         u8 partmap_type;
 682         u8 signature_type;
 683 } __packed;
 684
 685 struct efi_device_path_cdrom_path {
 686         struct efi_device_path dp;
 687         u32 boot_entry;
 688         u64 partition_start;
 689         u64 partition_size;
 690 } __packed;
 691
 692 struct efi_device_path_file_path {
 693         struct efi_device_path dp;
 694         u16 str[];
 695 } __packed;
 696
 697 #define EFI_BLOCK_IO_PROTOCOL_GUID \
 698         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 699                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 700
 701 struct efi_block_io_media {
 702         u32 media_id;
 703         char removable_media;
 704         char media_present;
 705         char logical_partition;
 706         char read_only;
 707         char write_caching;
 708         u8 pad[3];
 709         u32 block_size;
 710         u32 io_align;
 711         u8 pad2[4];
 712         u64 last_block;
 713         /* Added in revision 2 of the protocol */
 714         u64 lowest_aligned_lba;
 715         u32 logical_blocks_per_physical_block;
 716         /* Added in revision 3 of the protocol */
 717         u32 optimal_transfer_length_granualarity;
 718 };
 719
 720 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
 721 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
 722
 723 struct efi_block_io {
 724         u64 revision;
 725         struct efi_block_io_media *media;
 726         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 727                         char extended_verification);
 728         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 729                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 730                         void *buffer);
 731         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 732                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 733                         void *buffer);
 734         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 735 };
 736
 737 struct simple_text_output_mode {
 738         s32 max_mode;
 739         s32 mode;
 740         s32 attribute;
 741         s32 cursor_column;
 742         s32 cursor_row;
 743         bool cursor_visible;
 744 };
 745
 746 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 747         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 748                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 749
 750 #define EFI_BLACK                0x00
 751 #define EFI_BLUE                 0x01
 752 #define EFI_GREEN                0x02
 753 #define EFI_CYAN                 0x03
 754 #define EFI_RED                  0x04
 755 #define EFI_MAGENTA              0x05
 756 #define EFI_BROWN                0x06
 757 #define EFI_LIGHTGRAY            0x07
 758 #define EFI_BRIGHT               0x08
 759 #define EFI_DARKGRAY             0x08
 760 #define EFI_LIGHTBLUE            0x09
 761 #define EFI_LIGHTGREEN           0x0a
 762 #define EFI_LIGHTCYAN            0x0b
 763 #define EFI_LIGHTRED             0x0c
 764 #define EFI_LIGHTMAGENTA         0x0d
 765 #define EFI_YELLOW               0x0e
 766 #define EFI_WHITE                0x0f
 767 #define EFI_BACKGROUND_BLACK     0x00
 768 #define EFI_BACKGROUND_BLUE      0x10
 769 #define EFI_BACKGROUND_GREEN     0x20
 770 #define EFI_BACKGROUND_CYAN      0x30
 771 #define EFI_BACKGROUND_RED       0x40
 772 #define EFI_BACKGROUND_MAGENTA   0x50
 773 #define EFI_BACKGROUND_BROWN     0x60
 774 #define EFI_BACKGROUND_LIGHTGRAY 0x70
 775
 776 /* extract foreground color from EFI attribute */
 777 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
 778 /* treat high bit of FG as bright/bold (similar to edk2) */
 779 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
 780 /* extract background color from EFI attribute */
 781 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
 782
 783 struct efi_simple_text_output_protocol {
 784         efi_status_t (EFIAPI *reset)(
 785                         struct efi_simple_text_output_protocol *this,
 786                         char extended_verification);
 787         efi_status_t (EFIAPI *output_string)(
 788                         struct efi_simple_text_output_protocol *this,
 789                         const u16 *str);
 790         efi_status_t (EFIAPI *test_string)(
 791                         struct efi_simple_text_output_protocol *this,
 792                         const u16 *str);
 793         efi_status_t(EFIAPI *query_mode)(
 794                         struct efi_simple_text_output_protocol *this,
 795                         unsigned long mode_number, unsigned long *columns,
 796                         unsigned long *rows);
 797         efi_status_t(EFIAPI *set_mode)(
 798                         struct efi_simple_text_output_protocol *this,
 799                         unsigned long mode_number);
 800         efi_status_t(EFIAPI *set_attribute)(
 801                         struct efi_simple_text_output_protocol *this,
 802                         unsigned long attribute);
 803         efi_status_t(EFIAPI *clear_screen) (
 804                         struct efi_simple_text_output_protocol *this);
 805         efi_status_t(EFIAPI *set_cursor_position) (
 806                         struct efi_simple_text_output_protocol *this,
 807                         unsigned long column, unsigned long row);
 808         efi_status_t(EFIAPI *enable_cursor)(
 809                         struct efi_simple_text_output_protocol *this,
 810                         bool enable);
 811         struct simple_text_output_mode *mode;
 812 };
 813
 814 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
 815         EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \
 816                  0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa)
 817
 818 struct efi_input_key {
 819         u16 scan_code;
 820         s16 unicode_char;
 821 };
 822
 823 #define EFI_SHIFT_STATE_INVALID         0x00000000
 824 #define EFI_RIGHT_SHIFT_PRESSED         0x00000001
 825 #define EFI_LEFT_SHIFT_PRESSED          0x00000002
 826 #define EFI_RIGHT_CONTROL_PRESSED       0x00000004
 827 #define EFI_LEFT_CONTROL_PRESSED        0x00000008
 828 #define EFI_RIGHT_ALT_PRESSED           0x00000010
 829 #define EFI_LEFT_ALT_PRESSED            0x00000020
 830 #define EFI_RIGHT_LOGO_PRESSED          0x00000040
 831 #define EFI_LEFT_LOGO_PRESSED           0x00000080
 832 #define EFI_MENU_KEY_PRESSED            0x00000100
 833 #define EFI_SYS_REQ_PRESSED             0x00000200
 834 #define EFI_SHIFT_STATE_VALID           0x80000000
 835
 836 #define EFI_TOGGLE_STATE_INVALID        0x00
 837 #define EFI_SCROLL_LOCK_ACTIVE          0x01
 838 #define EFI_NUM_LOCK_ACTIVE             0x02
 839 #define EFI_CAPS_LOCK_ACTIVE            0x04
 840 #define EFI_KEY_STATE_EXPOSED           0x40
 841 #define EFI_TOGGLE_STATE_VALID          0x80
 842
 843 struct efi_key_state {
 844         u32 key_shift_state;
 845         u8 key_toggle_state;
 846 };
 847
 848 struct efi_key_data {
 849         struct efi_input_key key;
 850         struct efi_key_state key_state;
 851 };
 852
 853 struct efi_simple_text_input_ex_protocol {
 854         efi_status_t (EFIAPI *reset) (
 855                 struct efi_simple_text_input_ex_protocol *this,
 856                 bool extended_verification);
 857         efi_status_t (EFIAPI *read_key_stroke_ex) (
 858                 struct efi_simple_text_input_ex_protocol *this,
 859                 struct efi_key_data *key_data);
 860         struct efi_event *wait_for_key_ex;
 861         efi_status_t (EFIAPI *set_state) (
 862                 struct efi_simple_text_input_ex_protocol *this,
 863                 u8 *key_toggle_state);
 864         efi_status_t (EFIAPI *register_key_notify) (
 865                 struct efi_simple_text_input_ex_protocol *this,
 866                 struct efi_key_data *key_data,
 867                 efi_status_t (EFIAPI *key_notify_function)(
 868                         struct efi_key_data *key_data),
 869                 void **notify_handle);
 870         efi_status_t (EFIAPI *unregister_key_notify) (
 871                 struct efi_simple_text_input_ex_protocol *this,
 872                 void *notification_handle);
 873 };
 874
 875 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 876         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 877                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 878
 879 struct efi_simple_text_input_protocol {
 880         efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this,
 881                                     bool extended_verification);
 882         efi_status_t(EFIAPI *read_key_stroke)(
 883                         struct efi_simple_text_input_protocol *this,
 884                         struct efi_input_key *key);
 885         struct efi_event *wait_for_key;
 886 };
 887
 888 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 889         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 890                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 891
 892 struct efi_device_path_to_text_protocol {
 893         uint16_t *(EFIAPI *convert_device_node_to_text)(
 894                         struct efi_device_path *device_node,
 895                         bool display_only,
 896                         bool allow_shortcuts);
 897         uint16_t *(EFIAPI *convert_device_path_to_text)(
 898                         struct efi_device_path *device_path,
 899                         bool display_only,
 900                         bool allow_shortcuts);
 901 };
 902
 903 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
 904         EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
 905                  0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
 906
 907 struct efi_device_path_utilities_protocol {
 908         efi_uintn_t (EFIAPI *get_device_path_size)(
 909                 const struct efi_device_path *device_path);
 910         struct efi_device_path *(EFIAPI *duplicate_device_path)(
 911                 const struct efi_device_path *device_path);
 912         struct efi_device_path *(EFIAPI *append_device_path)(
 913                 const struct efi_device_path *src1,
 914                 const struct efi_device_path *src2);
 915         struct efi_device_path *(EFIAPI *append_device_node)(
 916                 const struct efi_device_path *device_path,
 917                 const struct efi_device_path *device_node);
 918         struct efi_device_path *(EFIAPI *append_device_path_instance)(
 919                 const struct efi_device_path *device_path,
 920                 const struct efi_device_path *device_path_instance);
 921         struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
 922                 struct efi_device_path **device_path_instance,
 923                 efi_uintn_t *device_path_instance_size);
 924         bool (EFIAPI *is_device_path_multi_instance)(
 925                 const struct efi_device_path *device_path);
 926         struct efi_device_path *(EFIAPI *create_device_node)(
 927                 uint8_t node_type,
 928                 uint8_t node_sub_type,
 929                 uint16_t node_length);
 930 };
 931
 932 /*
 933  * Human Interface Infrastructure (HII)
 934  */
 935 struct efi_hii_package_list_header {
 936         efi_guid_t package_list_guid;
 937         u32 package_length;
 938 } __packed;
 939
 940 /**
 941  * struct efi_hii_package_header - EFI HII package header
 942  *
 943  * @fields:     'fields' replaces the bit-fields defined in the EFI
 944  *              specification to to avoid possible compiler incompatibilities::
 945  *
 946  *                  u32 length:24;
 947  *                  u32 type:8;
 948  */
 949 struct efi_hii_package_header {
 950         u32 fields;
 951 } __packed;
 952
 953 #define __EFI_HII_PACKAGE_LEN_SHIFT     0
 954 #define __EFI_HII_PACKAGE_TYPE_SHIFT    24
 955 #define __EFI_HII_PACKAGE_LEN_MASK      0xffffff
 956 #define __EFI_HII_PACKAGE_TYPE_MASK     0xff
 957
 958 #define EFI_HII_PACKAGE_TYPE_ALL          0x00
 959 #define EFI_HII_PACKAGE_TYPE_GUID         0x01
 960 #define EFI_HII_PACKAGE_FORMS             0x02
 961 #define EFI_HII_PACKAGE_STRINGS           0x04
 962 #define EFI_HII_PACKAGE_FONTS             0x05
 963 #define EFI_HII_PACKAGE_IMAGES            0x06
 964 #define EFI_HII_PACKAGE_SIMPLE_FONTS      0x07
 965 #define EFI_HII_PACKAGE_DEVICE_PATH       0x08
 966 #define EFI_HII_PACKAGE_KEYBOARD_LAYOUT   0x09
 967 #define EFI_HII_PACKAGE_ANIMATIONS        0x0A
 968 #define EFI_HII_PACKAGE_END               0xDF
 969 #define EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN 0xE0
 970 #define EFI_HII_PACKAGE_TYPE_SYSTEM_END   0xFF
 971
 972 /*
 973  * HII GUID package
 974  */
 975 struct efi_hii_guid_package {
 976         struct efi_hii_package_header header;
 977         efi_guid_t guid;
 978         char data[];
 979 } __packed;
 980
 981 /*
 982  * HII string package
 983  */
 984 struct efi_hii_strings_package {
 985         struct efi_hii_package_header header;
 986         u32 header_size;
 987         u32 string_info_offset;
 988         u16 language_window[16];
 989         efi_string_id_t language_name;
 990         u8  language[];
 991 } __packed;
 992
 993 struct efi_hii_string_block {
 994         u8 block_type;
 995         /* u8 block_body[]; */
 996 } __packed;
 997
 998 #define EFI_HII_SIBT_END               0x00
 999 #define EFI_HII_SIBT_STRING_SCSU       0x10
1000 #define EFI_HII_SIBT_STRING_SCSU_FONT  0x11
1001 #define EFI_HII_SIBT_STRINGS_SCSU      0x12
1002 #define EFI_HII_SIBT_STRINGS_SCSU_FONT 0x13
1003 #define EFI_HII_SIBT_STRING_UCS2       0x14
1004 #define EFI_HII_SIBT_STRING_UCS2_FONT  0x15
1005 #define EFI_HII_SIBT_STRINGS_UCS2      0x16
1006 #define EFI_HII_SIBT_STRINGS_UCS2_FONT 0x17
1007 #define EFI_HII_SIBT_DUPLICATE         0x20
1008 #define EFI_HII_SIBT_SKIP2             0x21
1009 #define EFI_HII_SIBT_SKIP1             0x22
1010 #define EFI_HII_SIBT_EXT1              0x30
1011 #define EFI_HII_SIBT_EXT2              0x31
1012 #define EFI_HII_SIBT_EXT4              0x32
1013 #define EFI_HII_SIBT_FONT              0x40
1014
1015 struct efi_hii_sibt_string_ucs2_block {
1016         struct efi_hii_string_block header;
1017         u16 string_text[];
1018 } __packed;
1019
1020 static inline struct efi_hii_string_block *
1021 efi_hii_sibt_string_ucs2_block_next(struct efi_hii_sibt_string_ucs2_block *blk)
1022 {
1023         return ((void *)blk) + sizeof(*blk) +
1024                 (u16_strlen(blk->string_text) + 1) * 2;
1025 }
1026
1027 /*
1028  * HII forms package
1029  * TODO: full scope of definitions
1030  */
1031 struct efi_hii_time {
1032         u8 hour;
1033         u8 minute;
1034         u8 second;
1035 };
1036
1037 struct efi_hii_date {
1038         u16 year;
1039         u8 month;
1040         u8 day;
1041 };
1042
1043 struct efi_hii_ref {
1044         efi_question_id_t question_id;
1045         efi_form_id_t form_id;
1046         efi_guid_t form_set_guid;
1047         efi_string_id_t device_path;
1048 };
1049
1050 union efi_ifr_type_value {
1051         u8 u8;                          // EFI_IFR_TYPE_NUM_SIZE_8
1052         u16 u16;                        // EFI_IFR_TYPE_NUM_SIZE_16
1053         u32 u32;                        // EFI_IFR_TYPE_NUM_SIZE_32
1054         u64 u64;                        // EFI_IFR_TYPE_NUM_SIZE_64
1055         bool b;                         // EFI_IFR_TYPE_BOOLEAN
1056         struct efi_hii_time time;       // EFI_IFR_TYPE_TIME
1057         struct efi_hii_date date;       // EFI_IFR_TYPE_DATE
1058         efi_string_id_t string; // EFI_IFR_TYPE_STRING, EFI_IFR_TYPE_ACTION
1059         struct efi_hii_ref ref;         // EFI_IFR_TYPE_REF
1060         // u8 buffer[];                 // EFI_IFR_TYPE_BUFFER
1061 };
1062
1063 #define EFI_IFR_TYPE_NUM_SIZE_8         0x00
1064 #define EFI_IFR_TYPE_NUM_SIZE_16        0x01
1065 #define EFI_IFR_TYPE_NUM_SIZE_32        0x02
1066 #define EFI_IFR_TYPE_NUM_SIZE_64        0x03
1067 #define EFI_IFR_TYPE_BOOLEAN            0x04
1068 #define EFI_IFR_TYPE_TIME               0x05
1069 #define EFI_IFR_TYPE_DATE               0x06
1070 #define EFI_IFR_TYPE_STRING             0x07
1071 #define EFI_IFR_TYPE_OTHER              0x08
1072 #define EFI_IFR_TYPE_UNDEFINED          0x09
1073 #define EFI_IFR_TYPE_ACTION             0x0A
1074 #define EFI_IFR_TYPE_BUFFER             0x0B
1075 #define EFI_IFR_TYPE_REF                0x0C
1076 #define EFI_IFR_OPTION_DEFAULT          0x10
1077 #define EFI_IFR_OPTION_DEFAULT_MFG      0x20
1078
1079 #define EFI_IFR_ONE_OF_OPTION_OP        0x09
1080
1081 struct efi_ifr_op_header {
1082         u8 opCode;
1083         u8 length:7;
1084         u8 scope:1;
1085 };
1086
1087 struct efi_ifr_one_of_option {
1088         struct efi_ifr_op_header header;
1089         efi_string_id_t option;
1090         u8 flags;
1091         u8 type;
1092         union efi_ifr_type_value value;
1093 };
1094
1095 typedef efi_uintn_t efi_browser_action_t;
1096
1097 #define EFI_BROWSER_ACTION_REQUEST_NONE                 0
1098 #define EFI_BROWSER_ACTION_REQUEST_RESET                1
1099 #define EFI_BROWSER_ACTION_REQUEST_SUBMIT               2
1100 #define EFI_BROWSER_ACTION_REQUEST_EXIT                 3
1101 #define EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT     4
1102 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT    5
1103 #define EFI_BROWSER_ACTION_REQUEST_FORM_APPLY           6
1104 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD         7
1105 #define EFI_BROWSER_ACTION_REQUEST_RECONNECT            8
1106
1107 typedef efi_uintn_t efi_browser_action_request_t;
1108
1109 #define EFI_BROWSER_ACTION_CHANGING                     0
1110 #define EFI_BROWSER_ACTION_CHANGED                      1
1111 #define EFI_BROWSER_ACTION_RETRIEVE                     2
1112 #define EFI_BROWSER_ACTION_FORM_OPEN                    3
1113 #define EFI_BROWSER_ACTION_FORM_CLOSE                   4
1114 #define EFI_BROWSER_ACTION_SUBMITTED                    5
1115 #define EFI_BROWSER_ACTION_DEFAULT_STANDARD             0x1000
1116 #define EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING        0x1001
1117 #define EFI_BROWSER_ACTION_DEFAULT_SAFE                 0x1002
1118 #define EFI_BROWSER_ACTION_DEFAULT_PLATFORM             0x2000
1119 #define EFI_BROWSER_ACTION_DEFAULT_HARDWARE             0x3000
1120 #define EFI_BROWSER_ACTION_DEFAULT_FIRMWARE             0x4000
1121
1122 /*
1123  * HII keyboard package
1124  */
1125 typedef enum {
1126         EFI_KEY_LCTRL, EFI_KEY_A0, EFI_KEY_LALT, EFI_KEY_SPACE_BAR,
1127         EFI_KEY_A2, EFI_KEY_A3, EFI_KEY_A4, EFI_KEY_RCTRL, EFI_KEY_LEFT_ARROW,
1128         EFI_KEY_DOWN_ARROW, EFI_KEY_RIGHT_ARROW, EFI_KEY_ZERO,
1129         EFI_KEY_PERIOD, EFI_KEY_ENTER, EFI_KEY_LSHIFT, EFI_KEY_B0,
1130         EFI_KEY_B1, EFI_KEY_B2, EFI_KEY_B3, EFI_KEY_B4, EFI_KEY_B5, EFI_KEY_B6,
1131         EFI_KEY_B7, EFI_KEY_B8, EFI_KEY_B9, EFI_KEY_B10, EFI_KEY_RSHIFT,
1132         EFI_KEY_UP_ARROW, EFI_KEY_ONE, EFI_KEY_TWO, EFI_KEY_THREE,
1133         EFI_KEY_CAPS_LOCK, EFI_KEY_C1, EFI_KEY_C2, EFI_KEY_C3, EFI_KEY_C4,
1134         EFI_KEY_C5, EFI_KEY_C6, EFI_KEY_C7, EFI_KEY_C8, EFI_KEY_C9,
1135         EFI_KEY_C10, EFI_KEY_C11, EFI_KEY_C12, EFI_KEY_FOUR, EFI_KEY_FIVE,
1136         EFI_KEY_SIX, EFI_KEY_PLUS, EFI_KEY_TAB, EFI_KEY_D1, EFI_KEY_D2,
1137         EFI_KEY_D3, EFI_KEY_D4, EFI_KEY_D5, EFI_KEY_D6, EFI_KEY_D7, EFI_KEY_D8,
1138         EFI_KEY_D9, EFI_KEY_D10, EFI_KEY_D11, EFI_KEY_D12, EFI_KEY_D13,
1139         EFI_KEY_DEL, EFI_KEY_END, EFI_KEY_PG_DN, EFI_KEY_SEVEN, EFI_KEY_EIGHT,
1140         EFI_KEY_NINE, EFI_KEY_E0, EFI_KEY_E1, EFI_KEY_E2, EFI_KEY_E3,
1141         EFI_KEY_E4, EFI_KEY_E5, EFI_KEY_E6, EFI_KEY_E7, EFI_KEY_E8, EFI_KEY_E9,
1142         EFI_KEY_E10, EFI_KEY_E11, EFI_KEY_E12, EFI_KEY_BACK_SPACE,
1143         EFI_KEY_INS, EFI_KEY_HOME, EFI_KEY_PG_UP, EFI_KEY_NLCK, EFI_KEY_SLASH,
1144         EFI_KEY_ASTERISK, EFI_KEY_MINUS, EFI_KEY_ESC, EFI_KEY_F1, EFI_KEY_F2,
1145         EFI_KEY_F3, EFI_KEY_F4, EFI_KEY_F5, EFI_KEY_F6, EFI_KEY_F7, EFI_KEY_F8,
1146         EFI_KEY_F9, EFI_KEY_F10, EFI_KEY_F11, EFI_KEY_F12, EFI_KEY_PRINT,
1147         EFI_KEY_SLCK, EFI_KEY_PAUSE,
1148 } efi_key;
1149
1150 struct efi_key_descriptor {
1151         u32 key;
1152         u16 unicode;
1153         u16 shifted_unicode;
1154         u16 alt_gr_unicode;
1155         u16 shifted_alt_gr_unicode;
1156         u16 modifier;
1157         u16 affected_attribute;
1158 } __packed;
1159
1160 struct efi_hii_keyboard_layout {
1161         u16 layout_length;
1162         efi_guid_t guid;
1163         u32 layout_descriptor_string_offset;
1164         u8 descriptor_count;
1165         struct efi_key_descriptor descriptors[];
1166 } __packed;
1167
1168 struct efi_hii_keyboard_package {
1169         struct efi_hii_package_header header;
1170         u16 layout_count;
1171         struct efi_hii_keyboard_layout layout[];
1172 } __packed;
1173
1174 /*
1175  * HII protocols
1176  */
1177 #define EFI_HII_STRING_PROTOCOL_GUID \
1178         EFI_GUID(0x0fd96974, 0x23aa, 0x4cdc, \
1179                  0xb9, 0xcb, 0x98, 0xd1, 0x77, 0x50, 0x32, 0x2a)
1180
1181 struct efi_font_info {
1182         efi_hii_font_style_t font_style;
1183         u16 font_size;
1184         u16 font_name[1];
1185 };
1186
1187 struct efi_hii_string_protocol {
1188         efi_status_t(EFIAPI *new_string)(
1189                 const struct efi_hii_string_protocol *this,
1190                 efi_hii_handle_t package_list,
1191                 efi_string_id_t *string_id,
1192                 const u8 *language,
1193                 const u16 *language_name,
1194                 const efi_string_t string,
1195                 const struct efi_font_info *string_font_info);
1196         efi_status_t(EFIAPI *get_string)(
1197                 const struct efi_hii_string_protocol *this,
1198                 const u8 *language,
1199                 efi_hii_handle_t package_list,
1200                 efi_string_id_t string_id,
1201                 efi_string_t string,
1202                 efi_uintn_t *string_size,
1203                 struct efi_font_info **string_font_info);
1204         efi_status_t(EFIAPI *set_string)(
1205                 const struct efi_hii_string_protocol *this,
1206                 efi_hii_handle_t package_list,
1207                 efi_string_id_t string_id,
1208                 const u8 *language,
1209                 const efi_string_t string,
1210                 const struct efi_font_info *string_font_info);
1211         efi_status_t(EFIAPI *get_languages)(
1212                 const struct efi_hii_string_protocol *this,
1213                 efi_hii_handle_t package_list,
1214                 u8 *languages,
1215                 efi_uintn_t *languages_size);
1216         efi_status_t(EFIAPI *get_secondary_languages)(
1217                 const struct efi_hii_string_protocol *this,
1218                 efi_hii_handle_t package_list,
1219                 const u8 *primary_language,
1220                 u8 *secondary_languages,
1221                 efi_uintn_t *secondary_languages_size);
1222 };
1223
1224 #define EFI_HII_DATABASE_PROTOCOL_GUID       \
1225         EFI_GUID(0xef9fc172, 0xa1b2, 0x4693, \
1226                  0xb3, 0x27, 0x6d, 0x32, 0xfc, 0x41, 0x60, 0x42)
1227
1228 struct efi_hii_database_protocol {
1229         efi_status_t(EFIAPI *new_package_list)(
1230                 const struct efi_hii_database_protocol *this,
1231                 const struct efi_hii_package_list_header *package_list,
1232                 const efi_handle_t driver_handle,
1233                 efi_hii_handle_t *handle);
1234         efi_status_t(EFIAPI *remove_package_list)(
1235                 const struct efi_hii_database_protocol *this,
1236                 efi_hii_handle_t handle);
1237         efi_status_t(EFIAPI *update_package_list)(
1238                 const struct efi_hii_database_protocol *this,
1239                 efi_hii_handle_t handle,
1240                 const struct efi_hii_package_list_header *package_list);
1241         efi_status_t(EFIAPI *list_package_lists)(
1242                 const struct efi_hii_database_protocol *this,
1243                 u8 package_type,
1244                 const efi_guid_t *package_guid,
1245                 efi_uintn_t *handle_buffer_length,
1246                 efi_hii_handle_t *handle);
1247         efi_status_t(EFIAPI *export_package_lists)(
1248                 const struct efi_hii_database_protocol *this,
1249                 efi_hii_handle_t handle,
1250                 efi_uintn_t *buffer_size,
1251                 struct efi_hii_package_list_header *buffer);
1252         efi_status_t(EFIAPI *register_package_notify)(
1253                 const struct efi_hii_database_protocol *this,
1254                 u8 package_type,
1255                 const efi_guid_t *package_guid,
1256                 const void *package_notify_fn,
1257                 efi_uintn_t notify_type,
1258                 efi_handle_t *notify_handle);
1259         efi_status_t(EFIAPI *unregister_package_notify)(
1260                 const struct efi_hii_database_protocol *this,
1261                 efi_handle_t notification_handle
1262                 );
1263         efi_status_t(EFIAPI *find_keyboard_layouts)(
1264                 const struct efi_hii_database_protocol *this,
1265                 u16 *key_guid_buffer_length,
1266                 efi_guid_t *key_guid_buffer);
1267         efi_status_t(EFIAPI *get_keyboard_layout)(
1268                 const struct efi_hii_database_protocol *this,
1269                 efi_guid_t *key_guid,
1270                 u16 *keyboard_layout_length,
1271                 struct efi_hii_keyboard_layout *keyboard_layout);
1272         efi_status_t(EFIAPI *set_keyboard_layout)(
1273                 const struct efi_hii_database_protocol *this,
1274                 efi_guid_t *key_guid);
1275         efi_status_t(EFIAPI *get_package_list_handle)(
1276                 const struct efi_hii_database_protocol *this,
1277                 efi_hii_handle_t package_list_handle,
1278                 efi_handle_t *driver_handle);
1279 };
1280
1281 #define EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID \
1282         EFI_GUID(0x587e72d7, 0xcc50, 0x4f79, \
1283                  0x82, 0x09, 0xca, 0x29, 0x1f, 0xc1, 0xa1, 0x0f)
1284
1285 struct efi_hii_config_routing_protocol {
1286         efi_status_t(EFIAPI *extract_config)(
1287                 const struct efi_hii_config_routing_protocol *this,
1288                 const efi_string_t request,
1289                 efi_string_t *progress,
1290                 efi_string_t *results);
1291         efi_status_t(EFIAPI *export_config)(
1292                 const struct efi_hii_config_routing_protocol *this,
1293                 efi_string_t *results);
1294         efi_status_t(EFIAPI *route_config)(
1295                 const struct efi_hii_config_routing_protocol *this,
1296                 const efi_string_t configuration,
1297                 efi_string_t *progress);
1298         efi_status_t(EFIAPI *block_to_config)(
1299                 const struct efi_hii_config_routing_protocol *this,
1300                 const efi_string_t config_request,
1301                 const uint8_t *block,
1302                 const efi_uintn_t block_size,
1303                 efi_string_t *config,
1304                 efi_string_t *progress);
1305         efi_status_t(EFIAPI *config_to_block)(
1306                 const struct efi_hii_config_routing_protocol *this,
1307                 const efi_string_t config_resp,
1308                 const uint8_t *block,
1309                 const efi_uintn_t *block_size,
1310                 efi_string_t *progress);
1311         efi_status_t(EFIAPI *get_alt_config)(
1312                 const struct efi_hii_config_routing_protocol *this,
1313                 const efi_string_t config_resp,
1314                 const efi_guid_t *guid,
1315                 const efi_string_t name,
1316                 const struct efi_device_path *device_path,
1317                 const efi_string_t alt_cfg_id,
1318                 efi_string_t *alt_cfg_resp);
1319 };
1320
1321 #define EFI_HII_CONFIG_ACCESS_PROTOCOL_GUID \
1322         EFI_GUID(0x330d4706, 0xf2a0, 0x4e4f, \
1323                  0xa3, 0x69, 0xb6, 0x6f, 0xa8, 0xd5, 0x43, 0x85)
1324
1325 struct efi_hii_config_access_protocol {
1326         efi_status_t(EFIAPI *extract_config_access)(
1327                 const struct efi_hii_config_access_protocol *this,
1328                 const efi_string_t request,
1329                 efi_string_t *progress,
1330                 efi_string_t *results);
1331         efi_status_t(EFIAPI *route_config_access)(
1332                 const struct efi_hii_config_access_protocol *this,
1333                 const efi_string_t configuration,
1334                 efi_string_t *progress);
1335         efi_status_t(EFIAPI *form_callback)(
1336                 const struct efi_hii_config_access_protocol *this,
1337                 efi_browser_action_t action,
1338                 efi_question_id_t question_id,
1339                 u8 type,
1340                 union efi_ifr_type_value *value,
1341                 efi_browser_action_request_t *action_request);
1342 };
1343
1344 #define EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID \
1345         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
1346                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
1347
1348 #define EFI_GOT_RGBA8           0
1349 #define EFI_GOT_BGRA8           1
1350 #define EFI_GOT_BITMASK         2
1351
1352 struct efi_gop_mode_info {
1353         u32 version;
1354         u32 width;
1355         u32 height;
1356         u32 pixel_format;
1357         u32 pixel_bitmask[4];
1358         u32 pixels_per_scanline;
1359 };
1360
1361 struct efi_gop_mode {
1362         u32 max_mode;
1363         u32 mode;
1364         struct efi_gop_mode_info *info;
1365         unsigned long info_size;
1366         efi_physical_addr_t fb_base;
1367         unsigned long fb_size;
1368 };
1369
1370 struct efi_gop_pixel {
1371         u8 blue;
1372         u8 green;
1373         u8 red;
1374         u8 reserved;
1375 };
1376
1377 #define EFI_BLT_VIDEO_FILL              0
1378 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
1379 #define EFI_BLT_BUFFER_TO_VIDEO         2
1380 #define EFI_BLT_VIDEO_TO_VIDEO          3
1381
1382 struct efi_gop {
1383         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
1384                                           efi_uintn_t *size_of_info,
1385                                           struct efi_gop_mode_info **info);
1386         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
1387         efi_status_t (EFIAPI *blt)(struct efi_gop *this,
1388                                    struct efi_gop_pixel *buffer,
1389                                    u32 operation, efi_uintn_t sx,
1390                                    efi_uintn_t sy, efi_uintn_t dx,
1391                                    efi_uintn_t dy, efi_uintn_t width,
1392                                    efi_uintn_t height, efi_uintn_t delta);
1393         struct efi_gop_mode *mode;
1394 };
1395
1396 #define EFI_SIMPLE_NETWORK_PROTOCOL_GUID \
1397         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
1398                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1399
1400 struct efi_mac_address {
1401         char mac_addr[32];
1402 };
1403
1404 struct efi_ip_address {
1405         u8 ip_addr[16];
1406 } __attribute__((aligned(4)));
1407
1408 enum efi_simple_network_state {
1409         EFI_NETWORK_STOPPED,
1410         EFI_NETWORK_STARTED,
1411         EFI_NETWORK_INITIALIZED,
1412 };
1413
1414 struct efi_simple_network_mode {
1415         enum efi_simple_network_state state;
1416         u32 hwaddr_size;
1417         u32 media_header_size;
1418         u32 max_packet_size;
1419         u32 nvram_size;
1420         u32 nvram_access_size;
1421         u32 receive_filter_mask;
1422         u32 receive_filter_setting;
1423         u32 max_mcast_filter_count;
1424         u32 mcast_filter_count;
1425         struct efi_mac_address mcast_filter[16];
1426         struct efi_mac_address current_address;
1427         struct efi_mac_address broadcast_address;
1428         struct efi_mac_address permanent_address;
1429         u8 if_type;
1430         u8 mac_changeable;
1431         u8 multitx_supported;
1432         u8 media_present_supported;
1433         u8 media_present;
1434 };
1435
1436 /* receive_filters bit mask */
1437 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
1438 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
1439 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
1440 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
1441 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
1442
1443 /* interrupt status bit mask */
1444 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT    0x01
1445 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT   0x02
1446 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT    0x04
1447 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT   0x08
1448
1449 /* revision of the simple network protocol */
1450 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION    0x00010000
1451
1452 struct efi_simple_network {
1453         u64 revision;
1454         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
1455         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
1456         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
1457                         ulong extra_rx, ulong extra_tx);
1458         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
1459                         int extended_verification);
1460         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
1461         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
1462                         u32 enable, u32 disable, int reset_mcast_filter,
1463                         ulong mcast_filter_count,
1464                         struct efi_mac_address *mcast_filter);
1465         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
1466                         int reset, struct efi_mac_address *new_mac);
1467         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
1468                         int reset, ulong *stat_size, void *stat_table);
1469         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
1470                         int ipv6, struct efi_ip_address *ip,
1471                         struct efi_mac_address *mac);
1472         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
1473                         int read_write, ulong offset, ulong buffer_size,
1474                         char *buffer);
1475         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
1476                         u32 *int_status, void **txbuf);
1477         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
1478                         size_t header_size, size_t buffer_size, void *buffer,
1479                         struct efi_mac_address *src_addr,
1480                         struct efi_mac_address *dest_addr, u16 *protocol);
1481         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
1482                         size_t *header_size, size_t *buffer_size, void *buffer,
1483                         struct efi_mac_address *src_addr,
1484                         struct efi_mac_address *dest_addr, u16 *protocol);
1485         struct efi_event *wait_for_packet;
1486         struct efi_simple_network_mode *mode;
1487         /* private fields */
1488         u32 int_status;
1489 };
1490
1491 #define EFI_PXE_BASE_CODE_PROTOCOL_GUID \
1492         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
1493                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1494
1495 #define EFI_PXE_BASE_CODE_PROTOCOL_REVISION 0x00010000
1496 #define EFI_PXE_BASE_CODE_MAX_IPCNT 8
1497
1498 struct efi_pxe_packet {
1499         u8 packet[1472];
1500 };
1501
1502 struct efi_pxe_mode {
1503         u8 started;
1504         u8 ipv6_available;
1505         u8 ipv6_supported;
1506         u8 using_ipv6;
1507         u8 bis_supported;
1508         u8 bis_detected;
1509         u8 auto_arp;
1510         u8 send_guid;
1511         u8 dhcp_discover_valid;
1512         u8 dhcp_ack_received;
1513         u8 proxy_offer_received;
1514         u8 pxe_discover_valid;
1515         u8 pxe_reply_received;
1516         u8 pxe_bis_reply_received;
1517         u8 icmp_error_received;
1518         u8 tftp_error_received;
1519         u8 make_callbacks;
1520         u8 ttl;
1521         u8 tos;
1522         u8 pad;
1523         struct efi_ip_address station_ip;
1524         struct efi_ip_address subnet_mask;
1525         struct efi_pxe_packet dhcp_discover;
1526         struct efi_pxe_packet dhcp_ack;
1527         struct efi_pxe_packet proxy_offer;
1528         struct efi_pxe_packet pxe_discover;
1529         struct efi_pxe_packet pxe_reply;
1530 };
1531
1532 struct efi_pxe_base_code_srvlist {
1533         u16 type;
1534         u8 accept_any_response;
1535         u8 reserved;
1536         struct efi_ip_address ip_addr;
1537 };
1538
1539 struct efi_pxe_base_code_discover_info {
1540         u8 use_m_cast;
1541         u8 use_b_cast;
1542         u8 use_u_cast;
1543         u8 must_use_list;
1544         struct efi_ip_address server_m_cast_ip;
1545         u16 ip_cnt;
1546         struct efi_pxe_base_code_srvlist srv_list[];
1547 };
1548
1549 struct efi_pxe_base_code_mtftp_info {
1550         struct efi_ip_address m_cast_ip;
1551         u16 cport;
1552         u16 sport;
1553         u16 listen_timeout;
1554         u16 transit_timeout;
1555 };
1556
1557 struct efi_pxe_base_code_filter {
1558         u8 filters;
1559         u8 ip_cnt;
1560         u16 reserved;
1561         struct efi_ip_address ip_list[EFI_PXE_BASE_CODE_MAX_IPCNT];
1562 };
1563
1564 struct efi_pxe_base_code_dhcpv4_packet {
1565         u8 bootp_op_code;
1566         u8 bootp_hw_type;
1567         u8 bootp_addr_len;
1568         u8 bootp_gate_hops;
1569         u32 bootp_ident;
1570         u16 bootp_seconds;
1571         u16 bootp_flags;
1572         u8 bootp_ci_addr[4];
1573         u8 bootp_yi_addr[4];
1574         u8 bootp_si_addr[4];
1575         u8 bootp_gi_addr[4];
1576         u8 bootp_hw_addr[16];
1577         u8 bootp_srv_name[64];
1578         u8 bootp_boot_file[128];
1579         u32 dhcp_magick;
1580         u8 dhcp_options[56];
1581 };
1582
1583 struct efi_pxe_base_code_dhcpv6_packet {
1584         u8 message_type;
1585         u8 transaction_id[3];
1586         u8 dhcp_options[1024];
1587 };
1588
1589 typedef union {
1590         u8 raw[1472];
1591         struct efi_pxe_base_code_dhcpv4_packet dhcpv4;
1592         struct efi_pxe_base_code_dhcpv6_packet dhcpv6;
1593 } EFI_PXE_BASE_CODE_PACKET;
1594
1595 struct efi_pxe_base_code_protocol {
1596         u64 revision;
1597         efi_status_t (EFIAPI *start)(struct efi_pxe_base_code_protocol *this,
1598                                      u8 use_ipv6);
1599         efi_status_t (EFIAPI *stop)(struct efi_pxe_base_code_protocol *this);
1600         efi_status_t (EFIAPI *dhcp)(struct efi_pxe_base_code_protocol *this,
1601                                     u8 sort_offers);
1602         efi_status_t (EFIAPI *discover)(
1603                                 struct efi_pxe_base_code_protocol *this,
1604                                 u16 type, u16 *layer, u8 bis,
1605                                 struct efi_pxe_base_code_discover_info *info);
1606         efi_status_t (EFIAPI *mtftp)(
1607                                 struct efi_pxe_base_code_protocol *this,
1608                                 u32 operation, void *buffer_ptr,
1609                                 u8 overwrite, efi_uintn_t *buffer_size,
1610                                 struct efi_ip_address server_ip, char *filename,
1611                                 struct efi_pxe_base_code_mtftp_info *info,
1612                                 u8 dont_use_buffer);
1613         efi_status_t (EFIAPI *udp_write)(
1614                                 struct efi_pxe_base_code_protocol *this,
1615                                 u16 op_flags, struct efi_ip_address *dest_ip,
1616                                 u16 *dest_port,
1617                                 struct efi_ip_address *gateway_ip,
1618                                 struct efi_ip_address *src_ip, u16 *src_port,
1619                                 efi_uintn_t *header_size, void *header_ptr,
1620                                 efi_uintn_t *buffer_size, void *buffer_ptr);
1621         efi_status_t (EFIAPI *udp_read)(
1622                                 struct efi_pxe_base_code_protocol *this,
1623                                 u16 op_flags, struct efi_ip_address *dest_ip,
1624                                 u16 *dest_port, struct efi_ip_address *src_ip,
1625                                 u16 *src_port, efi_uintn_t *header_size,
1626                                 void *header_ptr, efi_uintn_t *buffer_size,
1627                                 void *buffer_ptr);
1628         efi_status_t (EFIAPI *set_ip_filter)(
1629                                 struct efi_pxe_base_code_protocol *this,
1630                                 struct efi_pxe_base_code_filter *new_filter);
1631         efi_status_t (EFIAPI *arp)(struct efi_pxe_base_code_protocol *this,
1632                                    struct efi_ip_address *ip_addr,
1633                                    struct efi_mac_address *mac_addr);
1634         efi_status_t (EFIAPI *set_parameters)(
1635                                 struct efi_pxe_base_code_protocol *this,
1636                                 u8 *new_auto_arp, u8 *new_send_guid,
1637                                 u8 *new_ttl, u8 *new_tos,
1638                                 u8 *new_make_callback);
1639         efi_status_t (EFIAPI *set_station_ip)(
1640                                 struct efi_pxe_base_code_protocol *this,
1641                                 struct efi_ip_address *new_station_ip,
1642                                 struct efi_ip_address *new_subnet_mask);
1643         efi_status_t (EFIAPI *set_packets)(
1644                                 struct efi_pxe_base_code_protocol *this,
1645                                 u8 *new_dhcp_discover_valid,
1646                                 u8 *new_dhcp_ack_received,
1647                                 u8 *new_proxy_offer_received,
1648                                 u8 *new_pxe_discover_valid,
1649                                 u8 *new_pxe_reply_received,
1650                                 u8 *new_pxe_bis_reply_received,
1651                                 EFI_PXE_BASE_CODE_PACKET *new_dchp_discover,
1652                                 EFI_PXE_BASE_CODE_PACKET *new_dhcp_acc,
1653                                 EFI_PXE_BASE_CODE_PACKET *new_proxy_offer,
1654                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_discover,
1655                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_reply,
1656                                 EFI_PXE_BASE_CODE_PACKET *new_pxe_bis_reply);
1657         struct efi_pxe_mode *mode;
1658 };
1659
1660 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
1661         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
1662                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1663 #define EFI_FILE_PROTOCOL_REVISION      0x00010000
1664 #define EFI_FILE_PROTOCOL_REVISION2     0x00020000
1665 #define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2
1666
1667 struct efi_file_io_token {
1668         struct efi_event *event;
1669         efi_status_t status;
1670         efi_uintn_t buffer_size;
1671         void *buffer;};
1672
1673 struct efi_file_handle {
1674         u64 rev;
1675         efi_status_t (EFIAPI *open)(struct efi_file_handle *this,
1676                         struct efi_file_handle **new_handle,
1677                         u16 *file_name, u64 open_mode, u64 attributes);
1678         efi_status_t (EFIAPI *close)(struct efi_file_handle *this);
1679         efi_status_t (EFIAPI *delete)(struct efi_file_handle *this);
1680         efi_status_t (EFIAPI *read)(struct efi_file_handle *this,
1681                         efi_uintn_t *buffer_size, void *buffer);
1682         efi_status_t (EFIAPI *write)(struct efi_file_handle *this,
1683                         efi_uintn_t *buffer_size, void *buffer);
1684         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *this,
1685                                       u64 *pos);
1686         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *this,
1687                                       u64 pos);
1688         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *this,
1689                         const efi_guid_t *info_type, efi_uintn_t *buffer_size,
1690                         void *buffer);
1691         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *this,
1692                         const efi_guid_t *info_type, efi_uintn_t buffer_size,
1693                         void *buffer);
1694         efi_status_t (EFIAPI *flush)(struct efi_file_handle *this);
1695         efi_status_t (EFIAPI *open_ex)(struct efi_file_handle *this,
1696                         struct efi_file_handle **new_handle,
1697                         u16 *file_name, u64 open_mode, u64 attributes,
1698                         struct efi_file_io_token *token);
1699         efi_status_t (EFIAPI *read_ex)(struct efi_file_handle *this,
1700                         struct efi_file_io_token *token);
1701         efi_status_t (EFIAPI *write_ex)(struct efi_file_handle *this,
1702                         struct efi_file_io_token *token);
1703         efi_status_t (EFIAPI *flush_ex)(struct efi_file_handle *this,
1704                         struct efi_file_io_token *token);
1705 };
1706
1707 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
1708
1709 struct efi_simple_file_system_protocol {
1710         u64 rev;
1711         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
1712                         struct efi_file_handle **root);
1713 };
1714
1715 #define EFI_FILE_INFO_GUID \
1716         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
1717                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1718
1719 #define EFI_FILE_SYSTEM_INFO_GUID \
1720         EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
1721                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1722
1723 #define EFI_FILE_SYSTEM_VOLUME_LABEL_ID \
1724         EFI_GUID(0xdb47d7d3, 0xfe81, 0x11d3, \
1725                  0x9a, 0x35, 0x00, 0x90, 0x27, 0x3f, 0xC1, 0x4d)
1726
1727 #define EFI_FILE_MODE_READ      0x0000000000000001
1728 #define EFI_FILE_MODE_WRITE     0x0000000000000002
1729 #define EFI_FILE_MODE_CREATE    0x8000000000000000
1730
1731 #define EFI_FILE_READ_ONLY      0x0000000000000001
1732 #define EFI_FILE_HIDDEN         0x0000000000000002
1733 #define EFI_FILE_SYSTEM         0x0000000000000004
1734 #define EFI_FILE_RESERVED       0x0000000000000008
1735 #define EFI_FILE_DIRECTORY      0x0000000000000010
1736 #define EFI_FILE_ARCHIVE        0x0000000000000020
1737 #define EFI_FILE_VALID_ATTR     0x0000000000000037
1738
1739 struct efi_file_info {
1740         u64 size;
1741         u64 file_size;
1742         u64 physical_size;
1743         struct efi_time create_time;
1744         struct efi_time last_access_time;
1745         struct efi_time modification_time;
1746         u64 attribute;
1747         u16 file_name[0];
1748 };
1749
1750 struct efi_file_system_info {
1751         u64 size;
1752         u8 read_only;
1753         u64 volume_size;
1754         u64 free_space;
1755         u32 block_size;
1756         u16 volume_label[0];
1757 };
1758
1759 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
1760         EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
1761                  0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
1762 struct efi_driver_binding_protocol {
1763         efi_status_t (EFIAPI * supported)(
1764                         struct efi_driver_binding_protocol *this,
1765                         efi_handle_t controller_handle,
1766                         struct efi_device_path *remaining_device_path);
1767         efi_status_t (EFIAPI * start)(
1768                         struct efi_driver_binding_protocol *this,
1769                         efi_handle_t controller_handle,
1770                         struct efi_device_path *remaining_device_path);
1771         efi_status_t (EFIAPI * stop)(
1772                         struct efi_driver_binding_protocol *this,
1773                         efi_handle_t controller_handle,
1774                         efi_uintn_t number_of_children,
1775                         efi_handle_t *child_handle_buffer);
1776         u32 version;
1777         efi_handle_t image_handle;
1778         efi_handle_t driver_binding_handle;
1779 };
1780
1781 /* Current version of the Unicode collation protocol */
1782 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
1783         EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
1784                  0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
1785 struct efi_unicode_collation_protocol {
1786         efi_intn_t (EFIAPI *stri_coll)(
1787                 struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2);
1788         bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this,
1789                                    const u16 *string, const u16 *patter);
1790         void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol
1791                                *this, u16 *string);
1792         void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this,
1793                                u16 *string);
1794         void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this,
1795                                   efi_uintn_t fat_size, char *fat, u16 *string);
1796         bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this,
1797                                   const u16 *string, efi_uintn_t fat_size,
1798                                   char *fat);
1799         char *supported_languages;
1800 };
1801
1802 struct efi_load_file_protocol {
1803         efi_status_t (EFIAPI *load_file)(struct efi_load_file_protocol *this,
1804                                          struct efi_device_path *file_path,
1805                                          bool boot_policy,
1806                                          efi_uintn_t *buffer_size,
1807                                          void *buffer);
1808 };
1809
1810 struct efi_system_resource_entry {
1811         efi_guid_t fw_class;
1812         u32 fw_type;
1813         u32 fw_version;
1814         u32 lowest_supported_fw_version;
1815         u32 capsule_flags;
1816         u32 last_attempt_version;
1817         u32 last_attempt_status;
1818 } __packed;
1819
1820 struct efi_system_resource_table {
1821         u32 fw_resource_count;
1822         u32 fw_resource_count_max;
1823         u64 fw_resource_version;
1824         struct efi_system_resource_entry entries[];
1825 } __packed;
1826
1827 /* Boot manager load options */
1828 #define LOAD_OPTION_ACTIVE              0x00000001
1829 #define LOAD_OPTION_FORCE_RECONNECT     0x00000002
1830 #define LOAD_OPTION_HIDDEN              0x00000008
1831 /* All values 0x00000200-0x00001F00 are reserved */
1832 #define LOAD_OPTION_CATEGORY            0x00001F00
1833 #define LOAD_OPTION_CATEGORY_BOOT       0x00000000
1834 #define LOAD_OPTION_CATEGORY_APP        0x00000100
1835
1836 /*
1837  * System Resource Table
1838  */
1839 /* Firmware Type Definitions */
1840 #define ESRT_FW_TYPE_UNKNOWN            0x00000000
1841 #define ESRT_FW_TYPE_SYSTEMFIRMWARE     0x00000001
1842 #define ESRT_FW_TYPE_DEVICEFIRMWARE     0x00000002
1843 #define ESRT_FW_TYPE_UEFIDRIVER         0x00000003
1844
1845 #define EFI_SYSTEM_RESOURCE_TABLE_GUID\
1846         EFI_GUID(0xb122a263, 0x3661, 0x4f68,\
1847                 0x99, 0x29, 0x78, 0xf8, 0xb0, 0xd6, 0x21, 0x80)
1848
1849 /* Last Attempt Status Values */
1850 #define LAST_ATTEMPT_STATUS_SUCCESS                     0x00000000
1851 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL          0x00000001
1852 #define LAST_ATTEMPT_STATUS_ERROR_INSUFFICIENT_RESOURCES 0x00000002
1853 #define LAST_ATTEMPT_STATUS_ERROR_INCORRECT_VERSION     0x00000003
1854 #define LAST_ATTEMPT_STATUS_ERROR_INVALID_FORMAT        0x00000004
1855 #define LAST_ATTEMPT_STATUS_ERROR_AUTH_ERROR            0x00000005
1856 #define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_AC            0x00000006
1857 #define LAST_ATTEMPT_STATUS_ERROR_PWR_EVT_BATT          0x00000007
1858 #define LAST_ATTEMPT_STATUS_ERROR_UNSATISFIED_DEPENDENCIES 0x00000008
1859
1860 /*
1861  * The LastAttemptStatus values of 0x1000 - 0x4000 are reserved for vendor
1862  * usage.
1863  */
1864 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MIN 0x00001000
1865 #define LAST_ATTEMPT_STATUS_ERROR_UNSUCCESSFUL_VENDOR_RANGE_MAX 0x00004000
1866
1867 /* Certificate types in signature database */
1868 #define EFI_CERT_SHA1_GUID \
1869         EFI_GUID(0x826ca512, 0xcf10, 0x4ac9, 0xb1, 0x87, \
1870                  0xbe, 0x01, 0x49, 0x66, 0x31, 0xbd)
1871 #define EFI_CERT_SHA224_GUID \
1872         EFI_GUID(0xb6e5233, 0xa65c, 0x44c9, 0x94, 0x07, \
1873                  0xd9, 0xab, 0x83, 0xbf, 0xc8, 0xbd)
1874 #define EFI_CERT_SHA256_GUID \
1875         EFI_GUID(0xc1c41626, 0x504c, 0x4092, 0xac, 0xa9, \
1876                  0x41, 0xf9, 0x36, 0x93, 0x43, 0x28)
1877 #define EFI_CERT_SHA384_GUID \
1878         EFI_GUID(0xff3e5307, 0x9fd0, 0x48c9, 0x85, 0xf1, \
1879                  0x8a, 0xd5, 0x6c, 0x70, 0x1e, 0x01)
1880 #define EFI_CERT_SHA512_GUID \
1881         EFI_GUID(0x93e0fae, 0xa6c4, 0x4f50, 0x9f, 0x1b, \
1882                  0xd4, 0x1e, 0x2b, 0x89, 0xc1, 0x9a)
1883 #define EFI_CERT_RSA2048_GUID \
1884         EFI_GUID(0x3c5766e8, 0x269c, 0x4e34, 0xaa, 0x14, \
1885                  0xed, 0x77, 0x6e, 0x85, 0xb3, 0xb6)
1886 #define EFI_CERT_X509_GUID \
1887         EFI_GUID(0xa5c059a1, 0x94e4, 0x4aa7, 0x87, 0xb5, \
1888                  0xab, 0x15, 0x5c, 0x2b, 0xf0, 0x72)
1889 #define EFI_CERT_X509_SHA256_GUID \
1890         EFI_GUID(0x3bd2a492, 0x96c0, 0x4079, 0xb4, 0x20, \
1891                  0xfc, 0xf9, 0x8e, 0xf1, 0x03, 0xed)
1892 #define EFI_CERT_X509_SHA384_GUID \
1893         EFI_GUID(0x7076876e, 0x80c2, 0x4ee6,            \
1894                  0xaa, 0xd2, 0x28, 0xb3, 0x49, 0xa6, 0x86, 0x5b)
1895 #define EFI_CERT_X509_SHA512_GUID \
1896         EFI_GUID(0x446dbf63, 0x2502, 0x4cda,            \
1897                  0xbc, 0xfa, 0x24, 0x65, 0xd2, 0xb0, 0xfe, 0x9d)
1898 #define EFI_CERT_TYPE_PKCS7_GUID \
1899         EFI_GUID(0x4aafd29d, 0x68df, 0x49ee, 0x8a, 0xa9, \
1900                  0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7)
1901
1902 /**
1903  * struct win_certificate_uefi_guid - A certificate that encapsulates
1904  * a GUID-specific signature
1905  *
1906  * @hdr:        Windows certificate header
1907  * @cert_type:  Certificate type
1908  * @cert_data:  Certificate data
1909  */
1910 struct win_certificate_uefi_guid {
1911         WIN_CERTIFICATE hdr;
1912         efi_guid_t      cert_type;
1913         u8              cert_data[];
1914 } __attribute__((__packed__));
1915
1916 /**
1917  * struct efi_variable_authentication_2 - A time-based authentication method
1918  * descriptor
1919  *
1920  * This structure describes an authentication information for
1921  * a variable with EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS
1922  * and should be included as part of a variable's value.
1923  * Only EFI_CERT_TYPE_PKCS7_GUID is accepted.
1924  *
1925  * @time_stamp: Descriptor's time stamp
1926  * @auth_info:  Authentication info
1927  */
1928 struct efi_variable_authentication_2 {
1929         struct efi_time                  time_stamp;
1930         struct win_certificate_uefi_guid auth_info;
1931 } __attribute__((__packed__));
1932
1933 /**
1934  * struct efi_firmware_image_authentication - Capsule authentication method
1935  * descriptor
1936  *
1937  * This structure describes an authentication information for
1938  * a capsule with IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED set
1939  * and should be included as part of the capsule.
1940  * Only EFI_CERT_TYPE_PKCS7_GUID is accepted.
1941  *
1942  * @monotonic_count: Count to prevent replay
1943  * @auth_info: Authentication info
1944  */
1945 struct efi_firmware_image_authentication {
1946         uint64_t monotonic_count;
1947         struct win_certificate_uefi_guid auth_info;
1948 } __attribute__((__packed__));
1949
1950
1951 /**
1952  * struct efi_signature_data - A format of signature
1953  *
1954  * This structure describes a single signature in signature database.
1955  *
1956  * @signature_owner:    Signature owner
1957  * @signature_data:     Signature data
1958  */
1959 struct efi_signature_data {
1960         efi_guid_t      signature_owner;
1961         u8              signature_data[];
1962 } __attribute__((__packed__));
1963
1964 /**
1965  * struct efi_signature_list - A format of signature database
1966  *
1967  * This structure describes a list of signatures with the same type.
1968  * An authenticated variable's value is a concatenation of one or more
1969  * efi_signature_list's.
1970  *
1971  * @signature_type:             Signature type
1972  * @signature_list_size:        Size of signature list
1973  * @signature_header_size:      Size of signature header
1974  * @signature_size:             Size of signature
1975  */
1976 struct efi_signature_list {
1977         efi_guid_t      signature_type;
1978         u32             signature_list_size;
1979         u32             signature_header_size;
1980         u32             signature_size;
1981 /*      u8              signature_header[signature_header_size]; */
1982 /*      struct efi_signature_data signatures[...][signature_size]; */
1983 } __attribute__((__packed__));
1984
1985 /*
1986  * Firmware management protocol
1987  */
1988 #define EFI_FIRMWARE_MANAGEMENT_PROTOCOL_GUID \
1989         EFI_GUID(0x86c77a67, 0x0b97, 0x4633, 0xa1, 0x87, \
1990                  0x49, 0x10, 0x4d, 0x06, 0x85, 0xc7)
1991
1992 #define IMAGE_ATTRIBUTE_IMAGE_UPDATABLE         0x0000000000000001
1993 #define IMAGE_ATTRIBUTE_RESET_REQUIRED          0x0000000000000002
1994 #define IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED 0x0000000000000004
1995 #define IMAGE_ATTRIBUTE_IN_USE                  0x0000000000000008
1996 #define IMAGE_ATTRIBUTE_UEFI_IMAGE              0x0000000000000010
1997 #define IMAGE_ATTRIBUTE_DEPENDENCY              0x0000000000000020
1998
1999 #define IMAGE_COMPATIBILITY_CHECK_SUPPORTED     0x0000000000000001
2000
2001 #define IMAGE_UPDATABLE_VALID                   0x0000000000000001
2002 #define IMAGE_UPDATABLE_INVALID                 0x0000000000000002
2003 #define IMAGE_UPDATABLE_INVALID_TYPE            0x0000000000000004
2004 #define IMAGE_UPDATABLE_INVALID_OLLD            0x0000000000000008
2005 #define IMAGE_UPDATABLE_VALID_WITH_VENDOR_CODE  0x0000000000000010
2006
2007 #define PACKAGE_ATTRIBUTE_VERSION_UPDATABLE             0x0000000000000001
2008 #define PACKAGE_ATTRIBUTE_RESET_REQUIRED                0x0000000000000002
2009 #define PACKAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED       0x0000000000000004
2010
2011 #define EFI_FIRMWARE_IMAGE_DESCRIPTOR_VERSION   4
2012
2013 typedef struct efi_firmware_image_dependencies {
2014         u8 dependencies[0];
2015 } efi_firmware_image_dep_t;
2016
2017 struct efi_firmware_image_descriptor {
2018         u8 image_index;
2019         efi_guid_t image_type_id;
2020         u64 image_id;
2021         u16 *image_id_name;
2022         u32 version;
2023         u16 *version_name;
2024         efi_uintn_t size;
2025         u64 attributes_supported;
2026         u64 attributes_setting;
2027         u64 compatibilities;
2028         u32 lowest_supported_image_version;
2029         u32 last_attempt_version;
2030         u32 last_attempt_status;
2031         u64 hardware_instance;
2032         efi_firmware_image_dep_t *dependencies;
2033 };
2034
2035 struct efi_firmware_management_protocol {
2036         efi_status_t (EFIAPI *get_image_info)(
2037                         struct efi_firmware_management_protocol *this,
2038                         efi_uintn_t *image_info_size,
2039                         struct efi_firmware_image_descriptor *image_info,
2040                         u32 *descriptor_version,
2041                         u8 *descriptor_count,
2042                         efi_uintn_t *descriptor_size,
2043                         u32 *package_version,
2044                         u16 **package_version_name);
2045         efi_status_t (EFIAPI *get_image)(
2046                         struct efi_firmware_management_protocol *this,
2047                         u8 image_index,
2048                         void *image,
2049                         efi_uintn_t *image_size);
2050         efi_status_t (EFIAPI *set_image)(
2051                         struct efi_firmware_management_protocol *this,
2052                         u8 image_index,
2053                         const void *image,
2054                         efi_uintn_t image_size,
2055                         const void *vendor_code,
2056                         efi_status_t (*progress)(efi_uintn_t completion),
2057                         u16 **abort_reason);
2058         efi_status_t (EFIAPI *check_image)(
2059                         struct efi_firmware_management_protocol *this,
2060                         u8 image_index,
2061                         const void *image,
2062                         efi_uintn_t *image_size,
2063                         u32 *image_updatable);
2064         efi_status_t (EFIAPI *get_package_info)(
2065                         struct efi_firmware_management_protocol *this,
2066                         u32 *package_version,
2067                         u16 **package_version_name,
2068                         u32 *package_version_name_maxlen,
2069                         u64 *attributes_supported,
2070                         u64 *attributes_setting);
2071         efi_status_t (EFIAPI *set_package_info)(
2072                         struct efi_firmware_management_protocol *this,
2073                         const void *image,
2074                         efi_uintn_t *image_size,
2075                         const void *vendor_code,
2076                         u32 package_version,
2077                         const u16 *package_version_name);
2078 };
2079
2080 #define EFI_DISK_IO_PROTOCOL_GUID       \
2081         EFI_GUID(0xce345171, 0xba0b, 0x11d2, 0x8e, 0x4f, \
2082                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
2083
2084 struct efi_disk {
2085         u64 revision;
2086         efi_status_t (EFIAPI *read_disk)(struct efi_disk *this, u32 media_id,
2087                                          u64 offset, efi_uintn_t buffer_size,
2088                                          void *buffer);
2089
2090         efi_status_t (EFIAPI *write_disk)(struct efi_disk *this, u32 media_id,
2091                                           u64 offset, efi_uintn_t buffer_size,
2092                                           void *buffer);
2093 };
2094
2095 #endif