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 struct efi_configuration_table
 205 {
 206         efi_guid_t guid;
 207         void *table;
 208 };
 209
 210 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 211
 212 struct efi_system_table {
 213         struct efi_table_hdr hdr;
 214         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 215         u32 fw_revision;
 216         unsigned long con_in_handle;
 217         struct efi_simple_input_interface *con_in;
 218         unsigned long con_out_handle;
 219         struct efi_simple_text_output_protocol *con_out;
 220         unsigned long stderr_handle;
 221         struct efi_simple_text_output_protocol *std_err;
 222         struct efi_runtime_services *runtime;
 223         struct efi_boot_services *boottime;
 224         unsigned long nr_tables;
 225         struct efi_configuration_table *tables;
 226 };
 227
 228 #define LOADED_IMAGE_GUID \
 229         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 230                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 231
 232 struct efi_loaded_image {
 233         u32 revision;
 234         void *parent_handle;
 235         struct efi_system_table *system_table;
 236         void *device_handle;
 237         void *file_path;
 238         void *reserved;
 239         u32 load_options_size;
 240         void *load_options;
 241         void *image_base;
 242         aligned_u64 image_size;
 243         unsigned int image_code_type;
 244         unsigned int image_data_type;
 245         unsigned long unload;
 246
 247         /* Below are efi loader private fields */
 248 #ifdef CONFIG_EFI_LOADER
 249         efi_status_t exit_status;
 250         struct jmp_buf_data exit_jmp;
 251 #endif
 252 };
 253
 254 #define DEVICE_PATH_GUID \
 255         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 256                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 257
 258 #define DEVICE_PATH_TYPE_END                    0x7f
 259 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 260
 261 struct efi_device_path {
 262         u8 type;
 263         u8 sub_type;
 264         u16 length;
 265 };
 266
 267 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 268 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 269
 270 struct efi_device_path_file_path {
 271         struct efi_device_path dp;
 272         u16 str[32];
 273 };
 274
 275 #define BLOCK_IO_GUID \
 276         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 277                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 278
 279 struct efi_block_io_media
 280 {
 281         u32 media_id;
 282         char removable_media;
 283         char media_present;
 284         char logical_partition;
 285         char read_only;
 286         char write_caching;
 287         u8 pad[3];
 288         u32 block_size;
 289         u32 io_align;
 290         u8 pad2[4];
 291         u64 last_block;
 292 };
 293
 294 struct efi_block_io {
 295         u64 revision;
 296         struct efi_block_io_media *media;
 297         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 298                         char extended_verification);
 299         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 300                         u32 media_id, u64 lba, unsigned long buffer_size,
 301                         void *buffer);
 302         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 303                         u32 media_id, u64 lba, unsigned long buffer_size,
 304                         void *buffer);
 305         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 306 };
 307
 308 struct simple_text_output_mode {
 309         s32 max_mode;
 310         s32 mode;
 311         s32 attribute;
 312         s32 cursor_column;
 313         s32 cursor_row;
 314         bool cursor_visible;
 315 };
 316
 317 struct efi_simple_text_output_protocol {
 318         void *reset;
 319         efi_status_t (EFIAPI *output_string)(
 320                         struct efi_simple_text_output_protocol *this,
 321                         const unsigned short *str);
 322         efi_status_t (EFIAPI *test_string)(
 323                         struct efi_simple_text_output_protocol *this,
 324                         const unsigned short *str);
 325         efi_status_t(EFIAPI *query_mode)(
 326                         struct efi_simple_text_output_protocol *this,
 327                         unsigned long mode_number, unsigned long *columns,
 328                         unsigned long *rows);
 329         efi_status_t(EFIAPI *set_mode)(
 330                         struct efi_simple_text_output_protocol *this,
 331                         unsigned long mode_number);
 332         efi_status_t(EFIAPI *set_attribute)(
 333                         struct efi_simple_text_output_protocol *this,
 334                         unsigned long attribute);
 335         efi_status_t(EFIAPI *clear_screen) (
 336                         struct efi_simple_text_output_protocol *this);
 337         efi_status_t(EFIAPI *set_cursor_position) (
 338                         struct efi_simple_text_output_protocol *this,
 339                         unsigned long column, unsigned long row);
 340         efi_status_t(EFIAPI *enable_cursor)(
 341                         struct efi_simple_text_output_protocol *this,
 342                         bool enable);
 343         struct simple_text_output_mode *mode;
 344 };
 345
 346 struct efi_input_key {
 347         u16 scan_code;
 348         s16 unicode_char;
 349 };
 350
 351 struct efi_simple_input_interface {
 352         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 353                         bool ExtendedVerification);
 354         efi_status_t(EFIAPI *read_key_stroke)(
 355                         struct efi_simple_input_interface *this,
 356                         struct efi_input_key *key);
 357         void *wait_for_key;
 358 };
 359
 360 #define CONSOLE_CONTROL_GUID \
 361         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 362                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 363 #define EFI_CONSOLE_MODE_TEXT   0
 364 #define EFI_CONSOLE_MODE_GFX    1
 365
 366 struct efi_console_control_protocol
 367 {
 368         efi_status_t (EFIAPI *get_mode)(
 369                         struct efi_console_control_protocol *this, int *mode,
 370                         char *uga_exists, char *std_in_locked);
 371         efi_status_t (EFIAPI *set_mode)(
 372                         struct efi_console_control_protocol *this, int mode);
 373         efi_status_t (EFIAPI *lock_std_in)(
 374                         struct efi_console_control_protocol *this,
 375                         uint16_t *password);
 376 };
 377
 378 #define EFI_GOP_GUID \
 379         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 380                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 381
 382 #define EFI_GOT_RGBA8           0
 383 #define EFI_GOT_BGRA8           1
 384 #define EFI_GOT_BITMASK         2
 385
 386 struct efi_gop_mode_info
 387 {
 388         u32 version;
 389         u32 width;
 390         u32 height;
 391         u32 pixel_format;
 392         u32 pixel_bitmask[4];
 393         u32 pixels_per_scanline;
 394 };
 395
 396 struct efi_gop_mode
 397 {
 398         u32 max_mode;
 399         u32 mode;
 400         struct efi_gop_mode_info *info;
 401         unsigned long info_size;
 402         efi_physical_addr_t fb_base;
 403         unsigned long fb_size;
 404 };
 405
 406 #define EFI_BLT_VIDEO_FILL              0
 407 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 408 #define EFI_BLT_BUFFER_TO_VIDEO         2
 409 #define EFI_BLT_VIDEO_TO_VIDEO          3
 410
 411 struct efi_gop
 412 {
 413         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 414                                           unsigned long *size_of_info,
 415                                           struct efi_gop_mode_info **info);
 416         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 417         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 418                                    unsigned long operation, unsigned long sx,
 419                                    unsigned long sy, unsigned long dx,
 420                                    unsigned long dy, unsigned long width,
 421                                    unsigned long height, unsigned long delta);
 422         struct efi_gop_mode *mode;
 423 };
 424
 425 #define EFI_SIMPLE_NETWORK_GUID \
 426         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 427                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 428
 429 struct efi_mac_address {
 430         char mac_addr[32];
 431 };
 432
 433 struct efi_ip_address {
 434         u8 ip_addr[16];
 435 };
 436
 437 enum efi_simple_network_state {
 438         EFI_NETWORK_STOPPED,
 439         EFI_NETWORK_STARTED,
 440         EFI_NETWORK_INITIALIZED,
 441 };
 442
 443 struct efi_simple_network_mode {
 444         enum efi_simple_network_state state;
 445         u32 hwaddr_size;
 446         u32 media_header_size;
 447         u32 max_packet_size;
 448         u32 nvram_size;
 449         u32 nvram_access_size;
 450         u32 receive_filter_mask;
 451         u32 receive_filter_setting;
 452         u32 max_mcast_filter_count;
 453         u32 mcast_filter_count;
 454         struct efi_mac_address mcast_filter[16];
 455         struct efi_mac_address current_address;
 456         struct efi_mac_address broadcast_address;
 457         struct efi_mac_address permanent_address;
 458         u8 if_type;
 459         u8 mac_changeable;
 460         u8 multitx_supported;
 461         u8 media_present_supported;
 462         u8 media_present;
 463 };
 464
 465 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
 466 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
 467 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
 468 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
 469 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
 470
 471 struct efi_simple_network
 472 {
 473         u64 revision;
 474         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 475         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 476         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 477                         ulong extra_rx, ulong extra_tx);
 478         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 479                         int extended_verification);
 480         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 481         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 482                         u32 enable, u32 disable, int reset_mcast_filter,
 483                         ulong mcast_filter_count,
 484                         struct efi_mac_address *mcast_filter);
 485         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 486                         int reset, struct efi_mac_address *new_mac);
 487         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 488                         int reset, ulong *stat_size, void *stat_table);
 489         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 490                         int ipv6, struct efi_ip_address *ip,
 491                         struct efi_mac_address *mac);
 492         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 493                         int read_write, ulong offset, ulong buffer_size,
 494                         char *buffer);
 495         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 496                         u32 *int_status, void **txbuf);
 497         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 498                         ulong header_size, ulong buffer_size, void *buffer,
 499                         struct efi_mac_address *src_addr,
 500                         struct efi_mac_address *dest_addr, u16 *protocol);
 501         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 502                         ulong *header_size, ulong *buffer_size, void *buffer,
 503                         struct efi_mac_address *src_addr,
 504                         struct efi_mac_address *dest_addr, u16 *protocol);
 505         void (EFIAPI *waitforpacket)(void);
 506         struct efi_simple_network_mode *mode;
 507 };
 508
 509 #define EFI_PXE_GUID \
 510         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 511                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 512
 513 struct efi_pxe_packet {
 514         u8 packet[1472];
 515 };
 516
 517 struct efi_pxe_mode
 518 {
 519         u8 unused[52];
 520         struct efi_pxe_packet dhcp_discover;
 521         struct efi_pxe_packet dhcp_ack;
 522         struct efi_pxe_packet proxy_offer;
 523         struct efi_pxe_packet pxe_discover;
 524         struct efi_pxe_packet pxe_reply;
 525 };
 526
 527 struct efi_pxe {
 528         u64 rev;
 529         void (EFIAPI *start)(void);
 530         void (EFIAPI *stop)(void);
 531         void (EFIAPI *dhcp)(void);
 532         void (EFIAPI *discover)(void);
 533         void (EFIAPI *mftp)(void);
 534         void (EFIAPI *udpwrite)(void);
 535         void (EFIAPI *udpread)(void);
 536         void (EFIAPI *setipfilter)(void);
 537         void (EFIAPI *arp)(void);
 538         void (EFIAPI *setparams)(void);
 539         void (EFIAPI *setstationip)(void);
 540         void (EFIAPI *setpackets)(void);
 541         struct efi_pxe_mode *mode;
 542 };
 543
 544 #endif