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_TIMER                               0x80000000
  32 #define EVT_RUNTIME                             0x40000000
  33 #define EVT_NOTIFY_WAIT                         0x00000100
  34 #define EVT_NOTIFY_SIGNAL                       0x00000200
  35 #define EVT_SIGNAL_EXIT_BOOT_SERVICES           0x00000201
  36 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE       0x60000202
  37
  38 #define TPL_APPLICATION         0x04
  39 #define TPL_CALLBACK            0x08
  40 #define TPL_NOTIFY              0x10
  41 #define TPL_HIGH_LEVEL          0x1F
  42
  43 struct efi_event;
  44
  45 /* EFI Boot Services table */
  46 struct efi_boot_services {
  47         struct efi_table_hdr hdr;
  48         efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
  49         void (EFIAPI *restore_tpl)(unsigned long old_tpl);
  50
  51         efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
  52                                               efi_physical_addr_t *);
  53         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
  54         efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
  55                         struct efi_mem_desc *desc, unsigned long *key,
  56                         unsigned long *desc_size, u32 *desc_version);
  57         efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
  58         efi_status_t (EFIAPI *free_pool)(void *);
  59
  60         efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
  61                         unsigned long notify_tpl,
  62                         void (EFIAPI *notify_function) (
  63                                         struct efi_event *event,
  64                                         void *context),
  65                         void *notify_context, struct efi_event **event);
  66         efi_status_t (EFIAPI *set_timer)(struct efi_event *event, int type,
  67                         uint64_t trigger_time);
  68         efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
  69                         struct efi_event **event, unsigned long *index);
  70         efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
  71         efi_status_t (EFIAPI *close_event)(struct efi_event *event);
  72         efi_status_t (EFIAPI *check_event)(struct efi_event *event);
  73 #define EFI_NATIVE_INTERFACE    0x00000000
  74         efi_status_t (EFIAPI *install_protocol_interface)(
  75                         void **handle, efi_guid_t *protocol,
  76                         int protocol_interface_type, void *protocol_interface);
  77         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  78                         void *handle, efi_guid_t *protocol,
  79                         void *old_interface, void *new_interface);
  80         efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
  81                         efi_guid_t *protocol, void *protocol_interface);
  82         efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
  83                                                void **);
  84         void *reserved;
  85         efi_status_t (EFIAPI *register_protocol_notify)(
  86                         efi_guid_t *protocol, struct efi_event *event,
  87                         void **registration);
  88         efi_status_t (EFIAPI *locate_handle)(
  89                         enum efi_locate_search_type search_type,
  90                         efi_guid_t *protocol, void *search_key,
  91                         unsigned long *buffer_size, efi_handle_t *buffer);
  92         efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
  93                         struct efi_device_path **device_path,
  94                         efi_handle_t *device);
  95         efi_status_t (EFIAPI *install_configuration_table)(
  96                         efi_guid_t *guid, void *table);
  97
  98         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
  99                         efi_handle_t parent_image,
 100                         struct efi_device_path *file_path, void *source_buffer,
 101                         unsigned long source_size, efi_handle_t *image);
 102         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
 103                                            unsigned long *exitdata_size,
 104                                            s16 **exitdata);
 105         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 106                                     efi_status_t exit_status,
 107                                     unsigned long exitdata_size, s16 *exitdata);
 108         efi_status_t (EFIAPI *unload_image)(void *image_handle);
 109         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
 110
 111         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 112         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 113         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 114                         uint64_t watchdog_code, unsigned long data_size,
 115                         uint16_t *watchdog_data);
 116         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 117                         efi_handle_t *driver_image_handle,
 118                         struct efi_device_path *remaining_device_path,
 119                         bool recursive);
 120         efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
 121                         void *driver_image_handle, void *child_handle);
 122 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 123 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 124 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 125 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 126 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 127 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 128         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 129                         efi_guid_t *protocol, void **interface,
 130                         efi_handle_t agent_handle,
 131                         efi_handle_t controller_handle, u32 attributes);
 132         efi_status_t (EFIAPI *close_protocol)(void *handle,
 133                         efi_guid_t *protocol, void *agent_handle,
 134                         void *controller_handle);
 135         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 136                         efi_guid_t *protocol,
 137                         struct efi_open_protocol_info_entry **entry_buffer,
 138                         unsigned long *entry_count);
 139         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 140                         efi_guid_t ***protocol_buffer,
 141                         unsigned long *protocols_buffer_count);
 142         efi_status_t (EFIAPI *locate_handle_buffer) (
 143                         enum efi_locate_search_type search_type,
 144                         efi_guid_t *protocol, void *search_key,
 145                         unsigned long *no_handles, efi_handle_t **buffer);
 146         efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
 147                         void *registration, void **protocol_interface);
 148         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 149                         void **handle, ...);
 150         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 151                         void *handle, ...);
 152         efi_status_t (EFIAPI *calculate_crc32)(void *data,
 153                         unsigned long data_size, uint32_t *crc32);
 154         void (EFIAPI *copy_mem)(void *destination, void *source,
 155                         unsigned long length);
 156         void (EFIAPI *set_mem)(void *buffer, unsigned long size,
 157                         uint8_t value);
 158         void *create_event_ex;
 159 };
 160
 161 /* Types and defines for EFI ResetSystem */
 162 enum efi_reset_type {
 163         EFI_RESET_COLD = 0,
 164         EFI_RESET_WARM = 1,
 165         EFI_RESET_SHUTDOWN = 2
 166 };
 167
 168 /* EFI Runtime Services table */
 169 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x5652453544e5552ULL
 170 #define EFI_RUNTIME_SERVICES_REVISION   0x00010000
 171
 172 struct efi_runtime_services {
 173         struct efi_table_hdr hdr;
 174         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 175                         struct efi_time_cap *capabilities);
 176         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 177         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 178                         struct efi_time *time);
 179         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 180                         struct efi_time *time);
 181         efi_status_t (EFIAPI *set_virtual_address_map)(
 182                         unsigned long memory_map_size,
 183                         unsigned long descriptor_size,
 184                         uint32_t descriptor_version,
 185                         struct efi_mem_desc *virtmap);
 186         efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
 187         efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
 188                         efi_guid_t *vendor, u32 *attributes,
 189                         unsigned long *data_size, void *data);
 190         efi_status_t (EFIAPI *get_next_variable)(
 191                         unsigned long *variable_name_size,
 192                         s16 *variable_name, efi_guid_t *vendor);
 193         efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
 194                         efi_guid_t *vendor, u32 attributes,
 195                         unsigned long data_size, void *data);
 196         efi_status_t (EFIAPI *get_next_high_mono_count)(
 197                         uint32_t *high_count);
 198         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 199                                     efi_status_t reset_status,
 200                                     unsigned long data_size, void *reset_data);
 201         void *update_capsule;
 202         void *query_capsule_caps;
 203         void *query_variable_info;
 204 };
 205
 206 /* EFI Configuration Table and GUID definitions */
 207 #define NULL_GUID \
 208         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 209                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 210
 211 #define LOADED_IMAGE_PROTOCOL_GUID \
 212         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 213                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 214
 215 #define EFI_FDT_GUID \
 216         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 217                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 218
 219 #define SMBIOS_TABLE_GUID \
 220         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 221                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 222
 223 struct efi_configuration_table
 224 {
 225         efi_guid_t guid;
 226         void *table;
 227 };
 228
 229 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 230
 231 struct efi_system_table {
 232         struct efi_table_hdr hdr;
 233         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 234         u32 fw_revision;
 235         unsigned long con_in_handle;
 236         struct efi_simple_input_interface *con_in;
 237         unsigned long con_out_handle;
 238         struct efi_simple_text_output_protocol *con_out;
 239         unsigned long stderr_handle;
 240         struct efi_simple_text_output_protocol *std_err;
 241         struct efi_runtime_services *runtime;
 242         struct efi_boot_services *boottime;
 243         unsigned long nr_tables;
 244         struct efi_configuration_table *tables;
 245 };
 246
 247 #define LOADED_IMAGE_GUID \
 248         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 249                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 250
 251 struct efi_loaded_image {
 252         u32 revision;
 253         void *parent_handle;
 254         struct efi_system_table *system_table;
 255         void *device_handle;
 256         void *file_path;
 257         void *reserved;
 258         u32 load_options_size;
 259         void *load_options;
 260         void *image_base;
 261         aligned_u64 image_size;
 262         unsigned int image_code_type;
 263         unsigned int image_data_type;
 264         unsigned long unload;
 265
 266         /* Below are efi loader private fields */
 267 #ifdef CONFIG_EFI_LOADER
 268         efi_status_t exit_status;
 269         struct jmp_buf_data exit_jmp;
 270 #endif
 271 };
 272
 273 #define DEVICE_PATH_GUID \
 274         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 275                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 276
 277 #define DEVICE_PATH_TYPE_END                    0x7f
 278 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 279
 280 struct efi_device_path {
 281         u8 type;
 282         u8 sub_type;
 283         u16 length;
 284 };
 285
 286 struct efi_mac_addr {
 287         u8 addr[32];
 288 };
 289
 290 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 291 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 292
 293 struct efi_device_path_mac_addr {
 294         struct efi_device_path dp;
 295         struct efi_mac_addr mac;
 296         u8 if_type;
 297 };
 298
 299 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 300 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 301
 302 struct efi_device_path_file_path {
 303         struct efi_device_path dp;
 304         u16 str[32];
 305 };
 306
 307 #define BLOCK_IO_GUID \
 308         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 309                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 310
 311 struct efi_block_io_media
 312 {
 313         u32 media_id;
 314         char removable_media;
 315         char media_present;
 316         char logical_partition;
 317         char read_only;
 318         char write_caching;
 319         u8 pad[3];
 320         u32 block_size;
 321         u32 io_align;
 322         u8 pad2[4];
 323         u64 last_block;
 324 };
 325
 326 struct efi_block_io {
 327         u64 revision;
 328         struct efi_block_io_media *media;
 329         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 330                         char extended_verification);
 331         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 332                         u32 media_id, u64 lba, unsigned long buffer_size,
 333                         void *buffer);
 334         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 335                         u32 media_id, u64 lba, unsigned long buffer_size,
 336                         void *buffer);
 337         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 338 };
 339
 340 struct simple_text_output_mode {
 341         s32 max_mode;
 342         s32 mode;
 343         s32 attribute;
 344         s32 cursor_column;
 345         s32 cursor_row;
 346         bool cursor_visible;
 347 };
 348
 349 struct efi_simple_text_output_protocol {
 350         void *reset;
 351         efi_status_t (EFIAPI *output_string)(
 352                         struct efi_simple_text_output_protocol *this,
 353                         const unsigned short *str);
 354         efi_status_t (EFIAPI *test_string)(
 355                         struct efi_simple_text_output_protocol *this,
 356                         const unsigned short *str);
 357         efi_status_t(EFIAPI *query_mode)(
 358                         struct efi_simple_text_output_protocol *this,
 359                         unsigned long mode_number, unsigned long *columns,
 360                         unsigned long *rows);
 361         efi_status_t(EFIAPI *set_mode)(
 362                         struct efi_simple_text_output_protocol *this,
 363                         unsigned long mode_number);
 364         efi_status_t(EFIAPI *set_attribute)(
 365                         struct efi_simple_text_output_protocol *this,
 366                         unsigned long attribute);
 367         efi_status_t(EFIAPI *clear_screen) (
 368                         struct efi_simple_text_output_protocol *this);
 369         efi_status_t(EFIAPI *set_cursor_position) (
 370                         struct efi_simple_text_output_protocol *this,
 371                         unsigned long column, unsigned long row);
 372         efi_status_t(EFIAPI *enable_cursor)(
 373                         struct efi_simple_text_output_protocol *this,
 374                         bool enable);
 375         struct simple_text_output_mode *mode;
 376 };
 377
 378 struct efi_input_key {
 379         u16 scan_code;
 380         s16 unicode_char;
 381 };
 382
 383 struct efi_simple_input_interface {
 384         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 385                         bool ExtendedVerification);
 386         efi_status_t(EFIAPI *read_key_stroke)(
 387                         struct efi_simple_input_interface *this,
 388                         struct efi_input_key *key);
 389         struct efi_event *wait_for_key;
 390 };
 391
 392 #define CONSOLE_CONTROL_GUID \
 393         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 394                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 395 #define EFI_CONSOLE_MODE_TEXT   0
 396 #define EFI_CONSOLE_MODE_GFX    1
 397
 398 struct efi_console_control_protocol
 399 {
 400         efi_status_t (EFIAPI *get_mode)(
 401                         struct efi_console_control_protocol *this, int *mode,
 402                         char *uga_exists, char *std_in_locked);
 403         efi_status_t (EFIAPI *set_mode)(
 404                         struct efi_console_control_protocol *this, int mode);
 405         efi_status_t (EFIAPI *lock_std_in)(
 406                         struct efi_console_control_protocol *this,
 407                         uint16_t *password);
 408 };
 409
 410 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 411         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 412                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 413
 414 struct efi_device_path_protocol
 415 {
 416         uint8_t type;
 417         uint8_t sub_type;
 418         uint16_t length;
 419         uint8_t data[];
 420 };
 421
 422 struct efi_device_path_to_text_protocol
 423 {
 424         uint16_t *(EFIAPI *convert_device_node_to_text)(
 425                         struct efi_device_path_protocol *device_node,
 426                         bool display_only,
 427                         bool allow_shortcuts);
 428         uint16_t *(EFIAPI *convert_device_path_to_text)(
 429                         struct efi_device_path_protocol *device_path,
 430                         bool display_only,
 431                         bool allow_shortcuts);
 432 };
 433
 434 #define EFI_GOP_GUID \
 435         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 436                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 437
 438 #define EFI_GOT_RGBA8           0
 439 #define EFI_GOT_BGRA8           1
 440 #define EFI_GOT_BITMASK         2
 441
 442 struct efi_gop_mode_info
 443 {
 444         u32 version;
 445         u32 width;
 446         u32 height;
 447         u32 pixel_format;
 448         u32 pixel_bitmask[4];
 449         u32 pixels_per_scanline;
 450 };
 451
 452 struct efi_gop_mode
 453 {
 454         u32 max_mode;
 455         u32 mode;
 456         struct efi_gop_mode_info *info;
 457         unsigned long info_size;
 458         efi_physical_addr_t fb_base;
 459         unsigned long fb_size;
 460 };
 461
 462 #define EFI_BLT_VIDEO_FILL              0
 463 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 464 #define EFI_BLT_BUFFER_TO_VIDEO         2
 465 #define EFI_BLT_VIDEO_TO_VIDEO          3
 466
 467 struct efi_gop
 468 {
 469         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 470                                           unsigned long *size_of_info,
 471                                           struct efi_gop_mode_info **info);
 472         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 473         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 474                                    unsigned long operation, unsigned long sx,
 475                                    unsigned long sy, unsigned long dx,
 476                                    unsigned long dy, unsigned long width,
 477                                    unsigned long height, unsigned long delta);
 478         struct efi_gop_mode *mode;
 479 };
 480
 481 #define EFI_SIMPLE_NETWORK_GUID \
 482         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 483                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 484
 485 struct efi_mac_address {
 486         char mac_addr[32];
 487 };
 488
 489 struct efi_ip_address {
 490         u8 ip_addr[16];
 491 };
 492
 493 enum efi_simple_network_state {
 494         EFI_NETWORK_STOPPED,
 495         EFI_NETWORK_STARTED,
 496         EFI_NETWORK_INITIALIZED,
 497 };
 498
 499 struct efi_simple_network_mode {
 500         enum efi_simple_network_state state;
 501         u32 hwaddr_size;
 502         u32 media_header_size;
 503         u32 max_packet_size;
 504         u32 nvram_size;
 505         u32 nvram_access_size;
 506         u32 receive_filter_mask;
 507         u32 receive_filter_setting;
 508         u32 max_mcast_filter_count;
 509         u32 mcast_filter_count;
 510         struct efi_mac_address mcast_filter[16];
 511         struct efi_mac_address current_address;
 512         struct efi_mac_address broadcast_address;
 513         struct efi_mac_address permanent_address;
 514         u8 if_type;
 515         u8 mac_changeable;
 516         u8 multitx_supported;
 517         u8 media_present_supported;
 518         u8 media_present;
 519 };
 520
 521 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
 522 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
 523 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
 524 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
 525 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
 526
 527 struct efi_simple_network
 528 {
 529         u64 revision;
 530         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 531         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 532         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 533                         ulong extra_rx, ulong extra_tx);
 534         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 535                         int extended_verification);
 536         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 537         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 538                         u32 enable, u32 disable, int reset_mcast_filter,
 539                         ulong mcast_filter_count,
 540                         struct efi_mac_address *mcast_filter);
 541         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 542                         int reset, struct efi_mac_address *new_mac);
 543         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 544                         int reset, ulong *stat_size, void *stat_table);
 545         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 546                         int ipv6, struct efi_ip_address *ip,
 547                         struct efi_mac_address *mac);
 548         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 549                         int read_write, ulong offset, ulong buffer_size,
 550                         char *buffer);
 551         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 552                         u32 *int_status, void **txbuf);
 553         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 554                         ulong header_size, ulong buffer_size, void *buffer,
 555                         struct efi_mac_address *src_addr,
 556                         struct efi_mac_address *dest_addr, u16 *protocol);
 557         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 558                         ulong *header_size, ulong *buffer_size, void *buffer,
 559                         struct efi_mac_address *src_addr,
 560                         struct efi_mac_address *dest_addr, u16 *protocol);
 561         void (EFIAPI *waitforpacket)(void);
 562         struct efi_simple_network_mode *mode;
 563 };
 564
 565 #define EFI_PXE_GUID \
 566         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 567                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 568
 569 struct efi_pxe_packet {
 570         u8 packet[1472];
 571 };
 572
 573 struct efi_pxe_mode
 574 {
 575         u8 unused[52];
 576         struct efi_pxe_packet dhcp_discover;
 577         struct efi_pxe_packet dhcp_ack;
 578         struct efi_pxe_packet proxy_offer;
 579         struct efi_pxe_packet pxe_discover;
 580         struct efi_pxe_packet pxe_reply;
 581 };
 582
 583 struct efi_pxe {
 584         u64 rev;
 585         void (EFIAPI *start)(void);
 586         void (EFIAPI *stop)(void);
 587         void (EFIAPI *dhcp)(void);
 588         void (EFIAPI *discover)(void);
 589         void (EFIAPI *mftp)(void);
 590         void (EFIAPI *udpwrite)(void);
 591         void (EFIAPI *udpread)(void);
 592         void (EFIAPI *setipfilter)(void);
 593         void (EFIAPI *arp)(void);
 594         void (EFIAPI *setparams)(void);
 595         void (EFIAPI *setstationip)(void);
 596         void (EFIAPI *setpackets)(void);
 597         struct efi_pxe_mode *mode;
 598 };
 599
 600 #endif