git.sur5r.net Git - u-boot/blob - 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 #define EVT_NOTIFY_WAIT         0x00000100
  32 #define EVT_NOTIFY_SIGNAL       0x00000200
  33
  34 /* EFI Boot Services table */
  35 struct efi_boot_services {
  36         struct efi_table_hdr hdr;
  37         efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
  38         void (EFIAPI *restore_tpl)(unsigned long old_tpl);
  39
  40         efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
  41                                               efi_physical_addr_t *);
  42         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
  43         efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
  44                         struct efi_mem_desc *desc, unsigned long *key,
  45                         unsigned long *desc_size, u32 *desc_version);
  46         efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
  47         efi_status_t (EFIAPI *free_pool)(void *);
  48
  49         efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
  50                         unsigned long notify_tpl,
  51                         void (EFIAPI *notify_function) (void *event,
  52                                                         void *context),
  53                         void *notify_context, void **event);
  54         efi_status_t (EFIAPI *set_timer)(void *event, int type,
  55                         uint64_t trigger_time);
  56         efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
  57                         void *event, unsigned long *index);
  58         efi_status_t (EFIAPI *signal_event)(void *event);
  59         efi_status_t (EFIAPI *close_event)(void *event);
  60         efi_status_t (EFIAPI *check_event)(void *event);
  61
  62         efi_status_t (EFIAPI *install_protocol_interface)(
  63                         void **handle, efi_guid_t *protocol,
  64                         int protocol_interface_type, void *protocol_interface);
  65         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  66                         void *handle, efi_guid_t *protocol,
  67                         void *old_interface, void *new_interface);
  68         efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
  69                         efi_guid_t *protocol, void *protocol_interface);
  70         efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
  71                                                void **);
  72         void *reserved;
  73         efi_status_t (EFIAPI *register_protocol_notify)(
  74                         efi_guid_t *protocol, void *event,
  75                         void **registration);
  76         efi_status_t (EFIAPI *locate_handle)(
  77                         enum efi_locate_search_type search_type,
  78                         efi_guid_t *protocol, void *search_key,
  79                         unsigned long *buffer_size, efi_handle_t *buffer);
  80         efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
  81                         struct efi_device_path **device_path,
  82                         efi_handle_t *device);
  83         efi_status_t (EFIAPI *install_configuration_table)(
  84                         efi_guid_t *guid, void *table);
  85
  86         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
  87                         efi_handle_t parent_image,
  88                         struct efi_device_path *file_path, void *source_buffer,
  89                         unsigned long source_size, efi_handle_t *image);
  90         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
  91                                            unsigned long *exitdata_size,
  92                                            s16 **exitdata);
  93         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
  94                                     efi_status_t exit_status,
  95                                     unsigned long exitdata_size, s16 *exitdata);
  96         efi_status_t (EFIAPI *unload_image)(void *image_handle);
  97         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
  98
  99         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 100         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 101         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 102                         uint64_t watchdog_code, unsigned long data_size,
 103                         uint16_t *watchdog_data);
 104         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 105                         efi_handle_t *driver_image_handle,
 106                         struct efi_device_path *remaining_device_path,
 107                         bool recursive);
 108         efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
 109                         void *driver_image_handle, void *child_handle);
 110 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 111 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 112 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 113 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 114 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 115 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 116         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 117                         efi_guid_t *protocol, void **interface,
 118                         efi_handle_t agent_handle,
 119                         efi_handle_t controller_handle, u32 attributes);
 120         efi_status_t (EFIAPI *close_protocol)(void *handle,
 121                         efi_guid_t *protocol, void *agent_handle,
 122                         void *controller_handle);
 123         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 124                         efi_guid_t *protocol,
 125                         struct efi_open_protocol_info_entry **entry_buffer,
 126                         unsigned long *entry_count);
 127         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 128                         efi_guid_t ***protocol_buffer,
 129                         unsigned long *protocols_buffer_count);
 130         efi_status_t (EFIAPI *locate_handle_buffer) (
 131                         enum efi_locate_search_type search_type,
 132                         efi_guid_t *protocol, void *search_key,
 133                         unsigned long *no_handles, efi_handle_t **buffer);
 134         efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
 135                         void *registration, void **protocol_interface);
 136         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 137                         void **handle, ...);
 138         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 139                         void *handle, ...);
 140         efi_status_t (EFIAPI *calculate_crc32)(void *data,
 141                         unsigned long data_size, uint32_t *crc32);
 142         void (EFIAPI *copy_mem)(void *destination, void *source,
 143                         unsigned long length);
 144         void (EFIAPI *set_mem)(void *buffer, unsigned long size,
 145                         uint8_t value);
 146         void *create_event_ex;
 147 };
 148
 149 /* Types and defines for EFI ResetSystem */
 150 enum efi_reset_type {
 151         EFI_RESET_COLD = 0,
 152         EFI_RESET_WARM = 1,
 153         EFI_RESET_SHUTDOWN = 2
 154 };
 155
 156 /* EFI Runtime Services table */
 157 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x5652453544e5552ULL
 158 #define EFI_RUNTIME_SERVICES_REVISION   0x00010000
 159
 160 struct efi_runtime_services {
 161         struct efi_table_hdr hdr;
 162         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 163                         struct efi_time_cap *capabilities);
 164         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 165         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 166                         struct efi_time *time);
 167         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 168                         struct efi_time *time);
 169         efi_status_t (EFIAPI *set_virtual_address_map)(
 170                         unsigned long memory_map_size,
 171                         unsigned long descriptor_size,
 172                         uint32_t descriptor_version,
 173                         struct efi_mem_desc *virtmap);
 174         efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
 175         efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
 176                         efi_guid_t *vendor, u32 *attributes,
 177                         unsigned long *data_size, void *data);
 178         efi_status_t (EFIAPI *get_next_variable)(
 179                         unsigned long *variable_name_size,
 180                         s16 *variable_name, efi_guid_t *vendor);
 181         efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
 182                         efi_guid_t *vendor, u32 attributes,
 183                         unsigned long data_size, void *data);
 184         efi_status_t (EFIAPI *get_next_high_mono_count)(
 185                         uint32_t *high_count);
 186         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 187                                     efi_status_t reset_status,
 188                                     unsigned long data_size, void *reset_data);
 189         void *update_capsule;
 190         void *query_capsule_caps;
 191         void *query_variable_info;
 192 };
 193
 194 /* EFI Configuration Table and GUID definitions */
 195 #define NULL_GUID \
 196         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 197                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 198
 199 #define LOADED_IMAGE_PROTOCOL_GUID \
 200         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 201                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 202
 203 #define EFI_FDT_GUID \
 204         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 205                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 206
 207 #define SMBIOS_TABLE_GUID \
 208         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 209                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 210
 211 struct efi_configuration_table
 212 {
 213         efi_guid_t guid;
 214         void *table;
 215 };
 216
 217 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 218
 219 struct efi_system_table {
 220         struct efi_table_hdr hdr;
 221         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 222         u32 fw_revision;
 223         unsigned long con_in_handle;
 224         struct efi_simple_input_interface *con_in;
 225         unsigned long con_out_handle;
 226         struct efi_simple_text_output_protocol *con_out;
 227         unsigned long stderr_handle;
 228         struct efi_simple_text_output_protocol *std_err;
 229         struct efi_runtime_services *runtime;
 230         struct efi_boot_services *boottime;
 231         unsigned long nr_tables;
 232         struct efi_configuration_table *tables;
 233 };
 234
 235 #define LOADED_IMAGE_GUID \
 236         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 237                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 238
 239 struct efi_loaded_image {
 240         u32 revision;
 241         void *parent_handle;
 242         struct efi_system_table *system_table;
 243         void *device_handle;
 244         void *file_path;
 245         void *reserved;
 246         u32 load_options_size;
 247         void *load_options;
 248         void *image_base;
 249         aligned_u64 image_size;
 250         unsigned int image_code_type;
 251         unsigned int image_data_type;
 252         unsigned long unload;
 253
 254         /* Below are efi loader private fields */
 255 #ifdef CONFIG_EFI_LOADER
 256         efi_status_t exit_status;
 257         struct jmp_buf_data exit_jmp;
 258 #endif
 259 };
 260
 261 #define DEVICE_PATH_GUID \
 262         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 263                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 264
 265 #define DEVICE_PATH_TYPE_END                    0x7f
 266 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 267
 268 struct efi_device_path {
 269         u8 type;
 270         u8 sub_type;
 271         u16 length;
 272 };
 273
 274 struct efi_mac_addr {
 275         u8 addr[32];
 276 };
 277
 278 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 279 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 280
 281 struct efi_device_path_mac_addr {
 282         struct efi_device_path dp;
 283         struct efi_mac_addr mac;
 284         u8 if_type;
 285 };
 286
 287 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 288 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 289
 290 struct efi_device_path_file_path {
 291         struct efi_device_path dp;
 292         u16 str[32];
 293 };
 294
 295 #define BLOCK_IO_GUID \
 296         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 297                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 298
 299 struct efi_block_io_media
 300 {
 301         u32 media_id;
 302         char removable_media;
 303         char media_present;
 304         char logical_partition;
 305         char read_only;
 306         char write_caching;
 307         u8 pad[3];
 308         u32 block_size;
 309         u32 io_align;
 310         u8 pad2[4];
 311         u64 last_block;
 312 };
 313
 314 struct efi_block_io {
 315         u64 revision;
 316         struct efi_block_io_media *media;
 317         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 318                         char extended_verification);
 319         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 320                         u32 media_id, u64 lba, unsigned long buffer_size,
 321                         void *buffer);
 322         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 323                         u32 media_id, u64 lba, unsigned long buffer_size,
 324                         void *buffer);
 325         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 326 };
 327
 328 struct simple_text_output_mode {
 329         s32 max_mode;
 330         s32 mode;
 331         s32 attribute;
 332         s32 cursor_column;
 333         s32 cursor_row;
 334         bool cursor_visible;
 335 };
 336
 337 struct efi_simple_text_output_protocol {
 338         void *reset;
 339         efi_status_t (EFIAPI *output_string)(
 340                         struct efi_simple_text_output_protocol *this,
 341                         const unsigned short *str);
 342         efi_status_t (EFIAPI *test_string)(
 343                         struct efi_simple_text_output_protocol *this,
 344                         const unsigned short *str);
 345         efi_status_t(EFIAPI *query_mode)(
 346                         struct efi_simple_text_output_protocol *this,
 347                         unsigned long mode_number, unsigned long *columns,
 348                         unsigned long *rows);
 349         efi_status_t(EFIAPI *set_mode)(
 350                         struct efi_simple_text_output_protocol *this,
 351                         unsigned long mode_number);
 352         efi_status_t(EFIAPI *set_attribute)(
 353                         struct efi_simple_text_output_protocol *this,
 354                         unsigned long attribute);
 355         efi_status_t(EFIAPI *clear_screen) (
 356                         struct efi_simple_text_output_protocol *this);
 357         efi_status_t(EFIAPI *set_cursor_position) (
 358                         struct efi_simple_text_output_protocol *this,
 359                         unsigned long column, unsigned long row);
 360         efi_status_t(EFIAPI *enable_cursor)(
 361                         struct efi_simple_text_output_protocol *this,
 362                         bool enable);
 363         struct simple_text_output_mode *mode;
 364 };
 365
 366 struct efi_input_key {
 367         u16 scan_code;
 368         s16 unicode_char;
 369 };
 370
 371 struct efi_simple_input_interface {
 372         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 373                         bool ExtendedVerification);
 374         efi_status_t(EFIAPI *read_key_stroke)(
 375                         struct efi_simple_input_interface *this,
 376                         struct efi_input_key *key);
 377         void *wait_for_key;
 378 };
 379
 380 #define CONSOLE_CONTROL_GUID \
 381         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 382                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 383 #define EFI_CONSOLE_MODE_TEXT   0
 384 #define EFI_CONSOLE_MODE_GFX    1
 385
 386 struct efi_console_control_protocol
 387 {
 388         efi_status_t (EFIAPI *get_mode)(
 389                         struct efi_console_control_protocol *this, int *mode,
 390                         char *uga_exists, char *std_in_locked);
 391         efi_status_t (EFIAPI *set_mode)(
 392                         struct efi_console_control_protocol *this, int mode);
 393         efi_status_t (EFIAPI *lock_std_in)(
 394                         struct efi_console_control_protocol *this,
 395                         uint16_t *password);
 396 };
 397
 398 #define EFI_GOP_GUID \
 399         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 400                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 401
 402 #define EFI_GOT_RGBA8           0
 403 #define EFI_GOT_BGRA8           1
 404 #define EFI_GOT_BITMASK         2
 405
 406 struct efi_gop_mode_info
 407 {
 408         u32 version;
 409         u32 width;
 410         u32 height;
 411         u32 pixel_format;
 412         u32 pixel_bitmask[4];
 413         u32 pixels_per_scanline;
 414 };
 415
 416 struct efi_gop_mode
 417 {
 418         u32 max_mode;
 419         u32 mode;
 420         struct efi_gop_mode_info *info;
 421         unsigned long info_size;
 422         efi_physical_addr_t fb_base;
 423         unsigned long fb_size;
 424 };
 425
 426 #define EFI_BLT_VIDEO_FILL              0
 427 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 428 #define EFI_BLT_BUFFER_TO_VIDEO         2
 429 #define EFI_BLT_VIDEO_TO_VIDEO          3
 430
 431 struct efi_gop
 432 {
 433         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 434                                           unsigned long *size_of_info,
 435                                           struct efi_gop_mode_info **info);
 436         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 437         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 438                                    unsigned long operation, unsigned long sx,
 439                                    unsigned long sy, unsigned long dx,
 440                                    unsigned long dy, unsigned long width,
 441                                    unsigned long height, unsigned long delta);
 442         struct efi_gop_mode *mode;
 443 };
 444
 445 #define EFI_SIMPLE_NETWORK_GUID \
 446         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 447                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 448
 449 struct efi_mac_address {
 450         char mac_addr[32];
 451 };
 452
 453 struct efi_ip_address {
 454         u8 ip_addr[16];
 455 };
 456
 457 enum efi_simple_network_state {
 458         EFI_NETWORK_STOPPED,
 459         EFI_NETWORK_STARTED,
 460         EFI_NETWORK_INITIALIZED,
 461 };
 462
 463 struct efi_simple_network_mode {
 464         enum efi_simple_network_state state;
 465         u32 hwaddr_size;
 466         u32 media_header_size;
 467         u32 max_packet_size;
 468         u32 nvram_size;
 469         u32 nvram_access_size;
 470         u32 receive_filter_mask;
 471         u32 receive_filter_setting;
 472         u32 max_mcast_filter_count;
 473         u32 mcast_filter_count;
 474         struct efi_mac_address mcast_filter[16];
 475         struct efi_mac_address current_address;
 476         struct efi_mac_address broadcast_address;
 477         struct efi_mac_address permanent_address;
 478         u8 if_type;
 479         u8 mac_changeable;
 480         u8 multitx_supported;
 481         u8 media_present_supported;
 482         u8 media_present;
 483 };
 484
 485 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
 486 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
 487 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
 488 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
 489 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
 490
 491 struct efi_simple_network
 492 {
 493         u64 revision;
 494         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 495         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 496         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 497                         ulong extra_rx, ulong extra_tx);
 498         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 499                         int extended_verification);
 500         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 501         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 502                         u32 enable, u32 disable, int reset_mcast_filter,
 503                         ulong mcast_filter_count,
 504                         struct efi_mac_address *mcast_filter);
 505         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 506                         int reset, struct efi_mac_address *new_mac);
 507         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 508                         int reset, ulong *stat_size, void *stat_table);
 509         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 510                         int ipv6, struct efi_ip_address *ip,
 511                         struct efi_mac_address *mac);
 512         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 513                         int read_write, ulong offset, ulong buffer_size,
 514                         char *buffer);
 515         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 516                         u32 *int_status, void **txbuf);
 517         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 518                         ulong header_size, ulong buffer_size, void *buffer,
 519                         struct efi_mac_address *src_addr,
 520                         struct efi_mac_address *dest_addr, u16 *protocol);
 521         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 522                         ulong *header_size, ulong *buffer_size, void *buffer,
 523                         struct efi_mac_address *src_addr,
 524                         struct efi_mac_address *dest_addr, u16 *protocol);
 525         void (EFIAPI *waitforpacket)(void);
 526         struct efi_simple_network_mode *mode;
 527 };
 528
 529 #define EFI_PXE_GUID \
 530         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 531                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 532
 533 struct efi_pxe_packet {
 534         u8 packet[1472];
 535 };
 536
 537 struct efi_pxe_mode
 538 {
 539         u8 unused[52];
 540         struct efi_pxe_packet dhcp_discover;
 541         struct efi_pxe_packet dhcp_ack;
 542         struct efi_pxe_packet proxy_offer;
 543         struct efi_pxe_packet pxe_discover;
 544         struct efi_pxe_packet pxe_reply;
 545 };
 546
 547 struct efi_pxe {
 548         u64 rev;
 549         void (EFIAPI *start)(void);
 550         void (EFIAPI *stop)(void);
 551         void (EFIAPI *dhcp)(void);
 552         void (EFIAPI *discover)(void);
 553         void (EFIAPI *mftp)(void);
 554         void (EFIAPI *udpwrite)(void);
 555         void (EFIAPI *udpread)(void);
 556         void (EFIAPI *setipfilter)(void);
 557         void (EFIAPI *arp)(void);
 558         void (EFIAPI *setparams)(void);
 559         void (EFIAPI *setstationip)(void);
 560         void (EFIAPI *setpackets)(void);
 561         struct efi_pxe_mode *mode;
 562 };
 563
 564 #endif