include/efi_api.h

   1 /*
   2  * Extensible Firmware Interface
   3  * Based on 'Extensible Firmware Interface Specification' version 0.9,
   4  * April 30, 1999
   5  *
   6  * Copyright (C) 1999 VA Linux Systems
   7  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
   8  * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
   9  *      David Mosberger-Tang <davidm@hpl.hp.com>
  10  *      Stephane Eranian <eranian@hpl.hp.com>
  11  *
  12  * From include/linux/efi.h in kernel 4.1 with some additions/subtractions
  13  */
  14
  15 #ifndef _EFI_API_H
  16 #define _EFI_API_H
  17
  18 #include <efi.h>
  19
  20 #ifdef CONFIG_EFI_LOADER
  21 #include <asm/setjmp.h>
  22 #endif
  23
  24 /* Types and defines for EFI CreateEvent */
  25 enum efi_event_type {
  26         EFI_TIMER_STOP = 0,
  27         EFI_TIMER_PERIODIC = 1,
  28         EFI_TIMER_RELATIVE = 2
  29 };
  30
  31 /* EFI Boot Services table */
  32 struct efi_boot_services {
  33         struct efi_table_hdr hdr;
  34         efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
  35         void (EFIAPI *restore_tpl)(unsigned long old_tpl);
  36
  37         efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
  38                                               efi_physical_addr_t *);
  39         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
  40         efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
  41                         struct efi_mem_desc *desc, unsigned long *key,
  42                         unsigned long *desc_size, u32 *desc_version);
  43         efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
  44         efi_status_t (EFIAPI *free_pool)(void *);
  45
  46         efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
  47                         unsigned long notify_tpl,
  48                         void (EFIAPI *notify_function) (void *event,
  49                                                         void *context),
  50                         void *notify_context, void **event);
  51         efi_status_t (EFIAPI *set_timer)(void *event, int type,
  52                         uint64_t trigger_time);
  53         efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
  54                         void *event, unsigned long *index);
  55         efi_status_t (EFIAPI *signal_event)(void *event);
  56         efi_status_t (EFIAPI *close_event)(void *event);
  57         efi_status_t (EFIAPI *check_event)(void *event);
  58
  59         efi_status_t (EFIAPI *install_protocol_interface)(
  60                         void **handle, efi_guid_t *protocol,
  61                         int protocol_interface_type, void *protocol_interface);
  62         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  63                         void *handle, efi_guid_t *protocol,
  64                         void *old_interface, void *new_interface);
  65         efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
  66                         efi_guid_t *protocol, void *protocol_interface);
  67         efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
  68                                                void **);
  69         void *reserved;
  70         efi_status_t (EFIAPI *register_protocol_notify)(
  71                         efi_guid_t *protocol, void *event,
  72                         void **registration);
  73         efi_status_t (EFIAPI *locate_handle)(
  74                         enum efi_locate_search_type search_type,
  75                         efi_guid_t *protocol, void *search_key,
  76                         unsigned long *buffer_size, efi_handle_t *buffer);
  77         efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
  78                         struct efi_device_path **device_path,
  79                         efi_handle_t *device);
  80         efi_status_t (EFIAPI *install_configuration_table)(
  81                         efi_guid_t *guid, void *table);
  82
  83         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
  84                         efi_handle_t parent_image,
  85                         struct efi_device_path *file_path, void *source_buffer,
  86                         unsigned long source_size, efi_handle_t *image);
  87         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
  88                                            unsigned long *exitdata_size,
  89                                            s16 **exitdata);
  90         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
  91                                     efi_status_t exit_status,
  92                                     unsigned long exitdata_size, s16 *exitdata);
  93         efi_status_t (EFIAPI *unload_image)(void *image_handle);
  94         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
  95
  96         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
  97         efi_status_t (EFIAPI *stall)(unsigned long usecs);
  98         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
  99                         uint64_t watchdog_code, unsigned long data_size,
 100                         uint16_t *watchdog_data);
 101         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 102                         efi_handle_t *driver_image_handle,
 103                         struct efi_device_path *remaining_device_path,
 104                         bool recursive);
 105         efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
 106                         void *driver_image_handle, void *child_handle);
 107 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 108 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 109 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 110 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 111 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 112 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 113         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 114                         efi_guid_t *protocol, void **interface,
 115                         efi_handle_t agent_handle,
 116                         efi_handle_t controller_handle, u32 attributes);
 117         efi_status_t (EFIAPI *close_protocol)(void *handle,
 118                         efi_guid_t *protocol, void *agent_handle,
 119                         void *controller_handle);
 120         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 121                         efi_guid_t *protocol,
 122                         struct efi_open_protocol_info_entry **entry_buffer,
 123                         unsigned long *entry_count);
 124         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 125                         efi_guid_t ***protocol_buffer,
 126                         unsigned long *protocols_buffer_count);
 127         efi_status_t (EFIAPI *locate_handle_buffer) (
 128                         enum efi_locate_search_type search_type,
 129                         efi_guid_t *protocol, void *search_key,
 130                         unsigned long *no_handles, efi_handle_t **buffer);
 131         efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
 132                         void *registration, void **protocol_interface);
 133         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 134                         void **handle, ...);
 135         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 136                         void *handle, ...);
 137         efi_status_t (EFIAPI *calculate_crc32)(void *data,
 138                         unsigned long data_size, uint32_t *crc32);
 139         void (EFIAPI *copy_mem)(void *destination, void *source,
 140                         unsigned long length);
 141         void (EFIAPI *set_mem)(void *buffer, unsigned long size,
 142                         uint8_t value);
 143         void *create_event_ex;
 144 };
 145
 146 /* Types and defines for EFI ResetSystem */
 147 enum efi_reset_type {
 148         EFI_RESET_COLD = 0,
 149         EFI_RESET_WARM = 1,
 150         EFI_RESET_SHUTDOWN = 2
 151 };
 152
 153 /* EFI Runtime Services table */
 154 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x5652453544e5552ULL
 155 #define EFI_RUNTIME_SERVICES_REVISION   0x00010000
 156
 157 struct efi_runtime_services {
 158         struct efi_table_hdr hdr;
 159         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 160                         struct efi_time_cap *capabilities);
 161         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 162         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 163                         struct efi_time *time);
 164         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 165                         struct efi_time *time);
 166         efi_status_t (EFIAPI *set_virtual_address_map)(
 167                         unsigned long memory_map_size,
 168                         unsigned long descriptor_size,
 169                         uint32_t descriptor_version,
 170                         struct efi_mem_desc *virtmap);
 171         efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
 172         efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
 173                         efi_guid_t *vendor, u32 *attributes,
 174                         unsigned long *data_size, void *data);
 175         efi_status_t (EFIAPI *get_next_variable)(
 176                         unsigned long *variable_name_size,
 177                         s16 *variable_name, efi_guid_t *vendor);
 178         efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
 179                         efi_guid_t *vendor, u32 attributes,
 180                         unsigned long data_size, void *data);
 181         efi_status_t (EFIAPI *get_next_high_mono_count)(
 182                         uint32_t *high_count);
 183         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 184                                     efi_status_t reset_status,
 185                                     unsigned long data_size, void *reset_data);
 186         void *update_capsule;
 187         void *query_capsule_caps;
 188         void *query_variable_info;
 189 };
 190
 191 /* EFI Configuration Table and GUID definitions */
 192 #define NULL_GUID \
 193         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 194                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 195
 196 #define LOADED_IMAGE_PROTOCOL_GUID \
 197         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 198                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 199
 200 #define EFI_FDT_GUID \
 201         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 202                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 203
 204 #define SMBIOS_TABLE_GUID \
 205         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 206                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 207
 208 struct efi_configuration_table
 209 {
 210         efi_guid_t guid;
 211         void *table;
 212 };
 213
 214 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 215
 216 struct efi_system_table {
 217         struct efi_table_hdr hdr;
 218         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 219         u32 fw_revision;
 220         unsigned long con_in_handle;
 221         struct efi_simple_input_interface *con_in;
 222         unsigned long con_out_handle;
 223         struct efi_simple_text_output_protocol *con_out;
 224         unsigned long stderr_handle;
 225         struct efi_simple_text_output_protocol *std_err;
 226         struct efi_runtime_services *runtime;
 227         struct efi_boot_services *boottime;
 228         unsigned long nr_tables;
 229         struct efi_configuration_table *tables;
 230 };
 231
 232 #define LOADED_IMAGE_GUID \
 233         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 234                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 235
 236 struct efi_loaded_image {
 237         u32 revision;
 238         void *parent_handle;
 239         struct efi_system_table *system_table;
 240         void *device_handle;
 241         void *file_path;
 242         void *reserved;
 243         u32 load_options_size;
 244         void *load_options;
 245         void *image_base;
 246         aligned_u64 image_size;
 247         unsigned int image_code_type;
 248         unsigned int image_data_type;
 249         unsigned long unload;
 250
 251         /* Below are efi loader private fields */
 252 #ifdef CONFIG_EFI_LOADER
 253         efi_status_t exit_status;
 254         struct jmp_buf_data exit_jmp;
 255 #endif
 256 };
 257
 258 #define DEVICE_PATH_GUID \
 259         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 260                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 261
 262 #define DEVICE_PATH_TYPE_END                    0x7f
 263 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 264
 265 struct efi_device_path {
 266         u8 type;
 267         u8 sub_type;
 268         u16 length;
 269 };
 270
 271 struct efi_mac_addr {
 272         u8 addr[32];
 273 };
 274
 275 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 276 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 277
 278 struct efi_device_path_mac_addr {
 279         struct efi_device_path dp;
 280         struct efi_mac_addr mac;
 281         u8 if_type;
 282 };
 283
 284 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 285 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 286
 287 struct efi_device_path_file_path {
 288         struct efi_device_path dp;
 289         u16 str[32];
 290 };
 291
 292 #define BLOCK_IO_GUID \
 293         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 294                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 295
 296 struct efi_block_io_media
 297 {
 298         u32 media_id;
 299         char removable_media;
 300         char media_present;
 301         char logical_partition;
 302         char read_only;
 303         char write_caching;
 304         u8 pad[3];
 305         u32 block_size;
 306         u32 io_align;
 307         u8 pad2[4];
 308         u64 last_block;
 309 };
 310
 311 struct efi_block_io {
 312         u64 revision;
 313         struct efi_block_io_media *media;
 314         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 315                         char extended_verification);
 316         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 317                         u32 media_id, u64 lba, unsigned long buffer_size,
 318                         void *buffer);
 319         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 320                         u32 media_id, u64 lba, unsigned long buffer_size,
 321                         void *buffer);
 322         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 323 };
 324
 325 struct simple_text_output_mode {
 326         s32 max_mode;
 327         s32 mode;
 328         s32 attribute;
 329         s32 cursor_column;
 330         s32 cursor_row;
 331         bool cursor_visible;
 332 };
 333
 334 struct efi_simple_text_output_protocol {
 335         void *reset;
 336         efi_status_t (EFIAPI *output_string)(
 337                         struct efi_simple_text_output_protocol *this,
 338                         const unsigned short *str);
 339         efi_status_t (EFIAPI *test_string)(
 340                         struct efi_simple_text_output_protocol *this,
 341                         const unsigned short *str);
 342         efi_status_t(EFIAPI *query_mode)(
 343                         struct efi_simple_text_output_protocol *this,
 344                         unsigned long mode_number, unsigned long *columns,
 345                         unsigned long *rows);
 346         efi_status_t(EFIAPI *set_mode)(
 347                         struct efi_simple_text_output_protocol *this,
 348                         unsigned long mode_number);
 349         efi_status_t(EFIAPI *set_attribute)(
 350                         struct efi_simple_text_output_protocol *this,
 351                         unsigned long attribute);
 352         efi_status_t(EFIAPI *clear_screen) (
 353                         struct efi_simple_text_output_protocol *this);
 354         efi_status_t(EFIAPI *set_cursor_position) (
 355                         struct efi_simple_text_output_protocol *this,
 356                         unsigned long column, unsigned long row);
 357         efi_status_t(EFIAPI *enable_cursor)(
 358                         struct efi_simple_text_output_protocol *this,
 359                         bool enable);
 360         struct simple_text_output_mode *mode;
 361 };
 362
 363 struct efi_input_key {
 364         u16 scan_code;
 365         s16 unicode_char;
 366 };
 367
 368 struct efi_simple_input_interface {
 369         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 370                         bool ExtendedVerification);
 371         efi_status_t(EFIAPI *read_key_stroke)(
 372                         struct efi_simple_input_interface *this,
 373                         struct efi_input_key *key);
 374         void *wait_for_key;
 375 };
 376
 377 #define CONSOLE_CONTROL_GUID \
 378         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 379                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 380 #define EFI_CONSOLE_MODE_TEXT   0
 381 #define EFI_CONSOLE_MODE_GFX    1
 382
 383 struct efi_console_control_protocol
 384 {
 385         efi_status_t (EFIAPI *get_mode)(
 386                         struct efi_console_control_protocol *this, int *mode,
 387                         char *uga_exists, char *std_in_locked);
 388         efi_status_t (EFIAPI *set_mode)(
 389                         struct efi_console_control_protocol *this, int mode);
 390         efi_status_t (EFIAPI *lock_std_in)(
 391                         struct efi_console_control_protocol *this,
 392                         uint16_t *password);
 393 };
 394
 395 #define EFI_GOP_GUID \
 396         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 397                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 398
 399 #define EFI_GOT_RGBA8           0
 400 #define EFI_GOT_BGRA8           1
 401 #define EFI_GOT_BITMASK         2
 402
 403 struct efi_gop_mode_info
 404 {
 405         u32 version;
 406         u32 width;
 407         u32 height;
 408         u32 pixel_format;
 409         u32 pixel_bitmask[4];
 410         u32 pixels_per_scanline;
 411 };
 412
 413 struct efi_gop_mode
 414 {
 415         u32 max_mode;
 416         u32 mode;
 417         struct efi_gop_mode_info *info;
 418         unsigned long info_size;
 419         efi_physical_addr_t fb_base;
 420         unsigned long fb_size;
 421 };
 422
 423 #define EFI_BLT_VIDEO_FILL              0
 424 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 425 #define EFI_BLT_BUFFER_TO_VIDEO         2
 426 #define EFI_BLT_VIDEO_TO_VIDEO          3
 427
 428 struct efi_gop
 429 {
 430         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 431                                           unsigned long *size_of_info,
 432                                           struct efi_gop_mode_info **info);
 433         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 434         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 435                                    unsigned long operation, unsigned long sx,
 436                                    unsigned long sy, unsigned long dx,
 437                                    unsigned long dy, unsigned long width,
 438                                    unsigned long height, unsigned long delta);
 439         struct efi_gop_mode *mode;
 440 };
 441
 442 #define EFI_SIMPLE_NETWORK_GUID \
 443         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 444                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 445
 446 struct efi_mac_address {
 447         char mac_addr[32];
 448 };
 449
 450 struct efi_ip_address {
 451         u8 ip_addr[16];
 452 };
 453
 454 enum efi_simple_network_state {
 455         EFI_NETWORK_STOPPED,
 456         EFI_NETWORK_STARTED,
 457         EFI_NETWORK_INITIALIZED,
 458 };
 459
 460 struct efi_simple_network_mode {
 461         enum efi_simple_network_state state;
 462         u32 hwaddr_size;
 463         u32 media_header_size;
 464         u32 max_packet_size;
 465         u32 nvram_size;
 466         u32 nvram_access_size;
 467         u32 receive_filter_mask;
 468         u32 receive_filter_setting;
 469         u32 max_mcast_filter_count;
 470         u32 mcast_filter_count;
 471         struct efi_mac_address mcast_filter[16];
 472         struct efi_mac_address current_address;
 473         struct efi_mac_address broadcast_address;
 474         struct efi_mac_address permanent_address;
 475         u8 if_type;
 476         u8 mac_changeable;
 477         u8 multitx_supported;
 478         u8 media_present_supported;
 479         u8 media_present;
 480 };
 481
 482 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
 483 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
 484 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
 485 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
 486 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
 487
 488 struct efi_simple_network
 489 {
 490         u64 revision;
 491         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 492         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 493         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 494                         ulong extra_rx, ulong extra_tx);
 495         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 496                         int extended_verification);
 497         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 498         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 499                         u32 enable, u32 disable, int reset_mcast_filter,
 500                         ulong mcast_filter_count,
 501                         struct efi_mac_address *mcast_filter);
 502         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 503                         int reset, struct efi_mac_address *new_mac);
 504         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 505                         int reset, ulong *stat_size, void *stat_table);
 506         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 507                         int ipv6, struct efi_ip_address *ip,
 508                         struct efi_mac_address *mac);
 509         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 510                         int read_write, ulong offset, ulong buffer_size,
 511                         char *buffer);
 512         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 513                         u32 *int_status, void **txbuf);
 514         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 515                         ulong header_size, ulong buffer_size, void *buffer,
 516                         struct efi_mac_address *src_addr,
 517                         struct efi_mac_address *dest_addr, u16 *protocol);
 518         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 519                         ulong *header_size, ulong *buffer_size, void *buffer,
 520                         struct efi_mac_address *src_addr,
 521                         struct efi_mac_address *dest_addr, u16 *protocol);
 522         void (EFIAPI *waitforpacket)(void);
 523         struct efi_simple_network_mode *mode;
 524 };
 525
 526 #define EFI_PXE_GUID \
 527         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 528                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 529
 530 struct efi_pxe_packet {
 531         u8 packet[1472];
 532 };
 533
 534 struct efi_pxe_mode
 535 {
 536         u8 unused[52];
 537         struct efi_pxe_packet dhcp_discover;
 538         struct efi_pxe_packet dhcp_ack;
 539         struct efi_pxe_packet proxy_offer;
 540         struct efi_pxe_packet pxe_discover;
 541         struct efi_pxe_packet pxe_reply;
 542 };
 543
 544 struct efi_pxe {
 545         u64 rev;
 546         void (EFIAPI *start)(void);
 547         void (EFIAPI *stop)(void);
 548         void (EFIAPI *dhcp)(void);
 549         void (EFIAPI *discover)(void);
 550         void (EFIAPI *mftp)(void);
 551         void (EFIAPI *udpwrite)(void);
 552         void (EFIAPI *udpread)(void);
 553         void (EFIAPI *setipfilter)(void);
 554         void (EFIAPI *arp)(void);
 555         void (EFIAPI *setparams)(void);
 556         void (EFIAPI *setstationip)(void);
 557         void (EFIAPI *setpackets)(void);
 558         struct efi_pxe_mode *mode;
 559 };
 560
 561 #endif