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 UINTN size_t
  32
  33 #define EVT_TIMER                               0x80000000
  34 #define EVT_RUNTIME                             0x40000000
  35 #define EVT_NOTIFY_WAIT                         0x00000100
  36 #define EVT_NOTIFY_SIGNAL                       0x00000200
  37 #define EVT_SIGNAL_EXIT_BOOT_SERVICES           0x00000201
  38 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE       0x60000202
  39
  40 #define TPL_APPLICATION         0x04
  41 #define TPL_CALLBACK            0x08
  42 #define TPL_NOTIFY              0x10
  43 #define TPL_HIGH_LEVEL          0x1F
  44
  45 struct efi_event;
  46
  47 /* EFI Boot Services table */
  48 struct efi_boot_services {
  49         struct efi_table_hdr hdr;
  50         efi_status_t (EFIAPI *raise_tpl)(UINTN new_tpl);
  51         void (EFIAPI *restore_tpl)(UINTN old_tpl);
  52
  53         efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
  54                                               efi_physical_addr_t *);
  55         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
  56         efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
  57                         struct efi_mem_desc *desc, unsigned long *key,
  58                         unsigned long *desc_size, u32 *desc_version);
  59         efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
  60         efi_status_t (EFIAPI *free_pool)(void *);
  61
  62         efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
  63                         UINTN notify_tpl,
  64                         void (EFIAPI *notify_function) (
  65                                         struct efi_event *event,
  66                                         void *context),
  67                         void *notify_context, struct efi_event **event);
  68         efi_status_t (EFIAPI *set_timer)(struct efi_event *event, int type,
  69                         uint64_t trigger_time);
  70         efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
  71                         struct efi_event **event, unsigned long *index);
  72         efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
  73         efi_status_t (EFIAPI *close_event)(struct efi_event *event);
  74         efi_status_t (EFIAPI *check_event)(struct efi_event *event);
  75 #define EFI_NATIVE_INTERFACE    0x00000000
  76         efi_status_t (EFIAPI *install_protocol_interface)(
  77                         void **handle, efi_guid_t *protocol,
  78                         int protocol_interface_type, void *protocol_interface);
  79         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  80                         void *handle, efi_guid_t *protocol,
  81                         void *old_interface, void *new_interface);
  82         efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
  83                         efi_guid_t *protocol, void *protocol_interface);
  84         efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
  85                                                void **);
  86         void *reserved;
  87         efi_status_t (EFIAPI *register_protocol_notify)(
  88                         efi_guid_t *protocol, struct efi_event *event,
  89                         void **registration);
  90         efi_status_t (EFIAPI *locate_handle)(
  91                         enum efi_locate_search_type search_type,
  92                         efi_guid_t *protocol, void *search_key,
  93                         unsigned long *buffer_size, efi_handle_t *buffer);
  94         efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
  95                         struct efi_device_path **device_path,
  96                         efi_handle_t *device);
  97         efi_status_t (EFIAPI *install_configuration_table)(
  98                         efi_guid_t *guid, void *table);
  99
 100         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
 101                         efi_handle_t parent_image,
 102                         struct efi_device_path *file_path, void *source_buffer,
 103                         unsigned long source_size, efi_handle_t *image);
 104         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
 105                                            unsigned long *exitdata_size,
 106                                            s16 **exitdata);
 107         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 108                                     efi_status_t exit_status,
 109                                     unsigned long exitdata_size, s16 *exitdata);
 110         efi_status_t (EFIAPI *unload_image)(void *image_handle);
 111         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
 112
 113         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 114         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 115         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 116                         uint64_t watchdog_code, unsigned long data_size,
 117                         uint16_t *watchdog_data);
 118         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 119                         efi_handle_t *driver_image_handle,
 120                         struct efi_device_path *remaining_device_path,
 121                         bool recursive);
 122         efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
 123                         void *driver_image_handle, void *child_handle);
 124 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 125 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 126 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 127 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 128 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 129 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 130         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 131                         efi_guid_t *protocol, void **interface,
 132                         efi_handle_t agent_handle,
 133                         efi_handle_t controller_handle, u32 attributes);
 134         efi_status_t (EFIAPI *close_protocol)(void *handle,
 135                         efi_guid_t *protocol, void *agent_handle,
 136                         void *controller_handle);
 137         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 138                         efi_guid_t *protocol,
 139                         struct efi_open_protocol_info_entry **entry_buffer,
 140                         unsigned long *entry_count);
 141         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 142                         efi_guid_t ***protocol_buffer,
 143                         unsigned long *protocols_buffer_count);
 144         efi_status_t (EFIAPI *locate_handle_buffer) (
 145                         enum efi_locate_search_type search_type,
 146                         efi_guid_t *protocol, void *search_key,
 147                         unsigned long *no_handles, efi_handle_t **buffer);
 148         efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
 149                         void *registration, void **protocol_interface);
 150         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 151                         void **handle, ...);
 152         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 153                         void *handle, ...);
 154         efi_status_t (EFIAPI *calculate_crc32)(void *data,
 155                         unsigned long data_size, uint32_t *crc32);
 156         void (EFIAPI *copy_mem)(void *destination, void *source,
 157                         unsigned long length);
 158         void (EFIAPI *set_mem)(void *buffer, unsigned long size,
 159                         uint8_t value);
 160         void *create_event_ex;
 161 };
 162
 163 /* Types and defines for EFI ResetSystem */
 164 enum efi_reset_type {
 165         EFI_RESET_COLD = 0,
 166         EFI_RESET_WARM = 1,
 167         EFI_RESET_SHUTDOWN = 2
 168 };
 169
 170 /* EFI Runtime Services table */
 171 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x5652453544e5552ULL
 172 #define EFI_RUNTIME_SERVICES_REVISION   0x00010000
 173
 174 struct efi_runtime_services {
 175         struct efi_table_hdr hdr;
 176         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 177                         struct efi_time_cap *capabilities);
 178         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 179         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 180                         struct efi_time *time);
 181         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 182                         struct efi_time *time);
 183         efi_status_t (EFIAPI *set_virtual_address_map)(
 184                         unsigned long memory_map_size,
 185                         unsigned long descriptor_size,
 186                         uint32_t descriptor_version,
 187                         struct efi_mem_desc *virtmap);
 188         efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
 189         efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
 190                         efi_guid_t *vendor, u32 *attributes,
 191                         unsigned long *data_size, void *data);
 192         efi_status_t (EFIAPI *get_next_variable)(
 193                         unsigned long *variable_name_size,
 194                         s16 *variable_name, efi_guid_t *vendor);
 195         efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
 196                         efi_guid_t *vendor, u32 attributes,
 197                         unsigned long data_size, void *data);
 198         efi_status_t (EFIAPI *get_next_high_mono_count)(
 199                         uint32_t *high_count);
 200         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 201                                     efi_status_t reset_status,
 202                                     unsigned long data_size, void *reset_data);
 203         void *update_capsule;
 204         void *query_capsule_caps;
 205         void *query_variable_info;
 206 };
 207
 208 /* EFI Configuration Table and GUID definitions */
 209 #define NULL_GUID \
 210         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 211                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 212
 213 #define LOADED_IMAGE_PROTOCOL_GUID \
 214         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 215                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 216
 217 #define EFI_FDT_GUID \
 218         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 219                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 220
 221 #define SMBIOS_TABLE_GUID \
 222         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 223                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 224
 225 struct efi_configuration_table
 226 {
 227         efi_guid_t guid;
 228         void *table;
 229 };
 230
 231 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 232
 233 struct efi_system_table {
 234         struct efi_table_hdr hdr;
 235         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 236         u32 fw_revision;
 237         unsigned long con_in_handle;
 238         struct efi_simple_input_interface *con_in;
 239         unsigned long con_out_handle;
 240         struct efi_simple_text_output_protocol *con_out;
 241         unsigned long stderr_handle;
 242         struct efi_simple_text_output_protocol *std_err;
 243         struct efi_runtime_services *runtime;
 244         struct efi_boot_services *boottime;
 245         unsigned long nr_tables;
 246         struct efi_configuration_table *tables;
 247 };
 248
 249 #define LOADED_IMAGE_GUID \
 250         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 251                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 252
 253 struct efi_loaded_image {
 254         u32 revision;
 255         void *parent_handle;
 256         struct efi_system_table *system_table;
 257         void *device_handle;
 258         void *file_path;
 259         void *reserved;
 260         u32 load_options_size;
 261         void *load_options;
 262         void *image_base;
 263         aligned_u64 image_size;
 264         unsigned int image_code_type;
 265         unsigned int image_data_type;
 266         unsigned long unload;
 267
 268         /* Below are efi loader private fields */
 269 #ifdef CONFIG_EFI_LOADER
 270         efi_status_t exit_status;
 271         struct jmp_buf_data exit_jmp;
 272 #endif
 273 };
 274
 275 #define DEVICE_PATH_GUID \
 276         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 277                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 278
 279 #define DEVICE_PATH_TYPE_END                    0x7f
 280 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 281
 282 struct efi_device_path {
 283         u8 type;
 284         u8 sub_type;
 285         u16 length;
 286 };
 287
 288 struct efi_mac_addr {
 289         u8 addr[32];
 290 };
 291
 292 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 293 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 294
 295 struct efi_device_path_mac_addr {
 296         struct efi_device_path dp;
 297         struct efi_mac_addr mac;
 298         u8 if_type;
 299 };
 300
 301 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 302 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 303
 304 struct efi_device_path_file_path {
 305         struct efi_device_path dp;
 306         u16 str[32];
 307 };
 308
 309 #define BLOCK_IO_GUID \
 310         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 311                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 312
 313 struct efi_block_io_media
 314 {
 315         u32 media_id;
 316         char removable_media;
 317         char media_present;
 318         char logical_partition;
 319         char read_only;
 320         char write_caching;
 321         u8 pad[3];
 322         u32 block_size;
 323         u32 io_align;
 324         u8 pad2[4];
 325         u64 last_block;
 326 };
 327
 328 struct efi_block_io {
 329         u64 revision;
 330         struct efi_block_io_media *media;
 331         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 332                         char extended_verification);
 333         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 334                         u32 media_id, u64 lba, unsigned long buffer_size,
 335                         void *buffer);
 336         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 337                         u32 media_id, u64 lba, unsigned long buffer_size,
 338                         void *buffer);
 339         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 340 };
 341
 342 struct simple_text_output_mode {
 343         s32 max_mode;
 344         s32 mode;
 345         s32 attribute;
 346         s32 cursor_column;
 347         s32 cursor_row;
 348         bool cursor_visible;
 349 };
 350
 351 struct efi_simple_text_output_protocol {
 352         void *reset;
 353         efi_status_t (EFIAPI *output_string)(
 354                         struct efi_simple_text_output_protocol *this,
 355                         const unsigned short *str);
 356         efi_status_t (EFIAPI *test_string)(
 357                         struct efi_simple_text_output_protocol *this,
 358                         const unsigned short *str);
 359         efi_status_t(EFIAPI *query_mode)(
 360                         struct efi_simple_text_output_protocol *this,
 361                         unsigned long mode_number, unsigned long *columns,
 362                         unsigned long *rows);
 363         efi_status_t(EFIAPI *set_mode)(
 364                         struct efi_simple_text_output_protocol *this,
 365                         unsigned long mode_number);
 366         efi_status_t(EFIAPI *set_attribute)(
 367                         struct efi_simple_text_output_protocol *this,
 368                         unsigned long attribute);
 369         efi_status_t(EFIAPI *clear_screen) (
 370                         struct efi_simple_text_output_protocol *this);
 371         efi_status_t(EFIAPI *set_cursor_position) (
 372                         struct efi_simple_text_output_protocol *this,
 373                         unsigned long column, unsigned long row);
 374         efi_status_t(EFIAPI *enable_cursor)(
 375                         struct efi_simple_text_output_protocol *this,
 376                         bool enable);
 377         struct simple_text_output_mode *mode;
 378 };
 379
 380 struct efi_input_key {
 381         u16 scan_code;
 382         s16 unicode_char;
 383 };
 384
 385 struct efi_simple_input_interface {
 386         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 387                         bool ExtendedVerification);
 388         efi_status_t(EFIAPI *read_key_stroke)(
 389                         struct efi_simple_input_interface *this,
 390                         struct efi_input_key *key);
 391         struct efi_event *wait_for_key;
 392 };
 393
 394 #define CONSOLE_CONTROL_GUID \
 395         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 396                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 397 #define EFI_CONSOLE_MODE_TEXT   0
 398 #define EFI_CONSOLE_MODE_GFX    1
 399
 400 struct efi_console_control_protocol
 401 {
 402         efi_status_t (EFIAPI *get_mode)(
 403                         struct efi_console_control_protocol *this, int *mode,
 404                         char *uga_exists, char *std_in_locked);
 405         efi_status_t (EFIAPI *set_mode)(
 406                         struct efi_console_control_protocol *this, int mode);
 407         efi_status_t (EFIAPI *lock_std_in)(
 408                         struct efi_console_control_protocol *this,
 409                         uint16_t *password);
 410 };
 411
 412 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 413         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 414                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 415
 416 struct efi_device_path_protocol
 417 {
 418         uint8_t type;
 419         uint8_t sub_type;
 420         uint16_t length;
 421         uint8_t data[];
 422 };
 423
 424 struct efi_device_path_to_text_protocol
 425 {
 426         uint16_t *(EFIAPI *convert_device_node_to_text)(
 427                         struct efi_device_path_protocol *device_node,
 428                         bool display_only,
 429                         bool allow_shortcuts);
 430         uint16_t *(EFIAPI *convert_device_path_to_text)(
 431                         struct efi_device_path_protocol *device_path,
 432                         bool display_only,
 433                         bool allow_shortcuts);
 434 };
 435
 436 #define EFI_GOP_GUID \
 437         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 438                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 439
 440 #define EFI_GOT_RGBA8           0
 441 #define EFI_GOT_BGRA8           1
 442 #define EFI_GOT_BITMASK         2
 443
 444 struct efi_gop_mode_info
 445 {
 446         u32 version;
 447         u32 width;
 448         u32 height;
 449         u32 pixel_format;
 450         u32 pixel_bitmask[4];
 451         u32 pixels_per_scanline;
 452 };
 453
 454 struct efi_gop_mode
 455 {
 456         u32 max_mode;
 457         u32 mode;
 458         struct efi_gop_mode_info *info;
 459         unsigned long info_size;
 460         efi_physical_addr_t fb_base;
 461         unsigned long fb_size;
 462 };
 463
 464 #define EFI_BLT_VIDEO_FILL              0
 465 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 466 #define EFI_BLT_BUFFER_TO_VIDEO         2
 467 #define EFI_BLT_VIDEO_TO_VIDEO          3
 468
 469 struct efi_gop
 470 {
 471         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 472                                           unsigned long *size_of_info,
 473                                           struct efi_gop_mode_info **info);
 474         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 475         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 476                                    unsigned long operation, unsigned long sx,
 477                                    unsigned long sy, unsigned long dx,
 478                                    unsigned long dy, unsigned long width,
 479                                    unsigned long height, unsigned long delta);
 480         struct efi_gop_mode *mode;
 481 };
 482
 483 #define EFI_SIMPLE_NETWORK_GUID \
 484         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 485                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 486
 487 struct efi_mac_address {
 488         char mac_addr[32];
 489 };
 490
 491 struct efi_ip_address {
 492         u8 ip_addr[16];
 493 };
 494
 495 enum efi_simple_network_state {
 496         EFI_NETWORK_STOPPED,
 497         EFI_NETWORK_STARTED,
 498         EFI_NETWORK_INITIALIZED,
 499 };
 500
 501 struct efi_simple_network_mode {
 502         enum efi_simple_network_state state;
 503         u32 hwaddr_size;
 504         u32 media_header_size;
 505         u32 max_packet_size;
 506         u32 nvram_size;
 507         u32 nvram_access_size;
 508         u32 receive_filter_mask;
 509         u32 receive_filter_setting;
 510         u32 max_mcast_filter_count;
 511         u32 mcast_filter_count;
 512         struct efi_mac_address mcast_filter[16];
 513         struct efi_mac_address current_address;
 514         struct efi_mac_address broadcast_address;
 515         struct efi_mac_address permanent_address;
 516         u8 if_type;
 517         u8 mac_changeable;
 518         u8 multitx_supported;
 519         u8 media_present_supported;
 520         u8 media_present;
 521 };
 522
 523 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
 524 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
 525 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
 526 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
 527 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
 528
 529 struct efi_simple_network
 530 {
 531         u64 revision;
 532         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 533         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 534         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 535                         ulong extra_rx, ulong extra_tx);
 536         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 537                         int extended_verification);
 538         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 539         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 540                         u32 enable, u32 disable, int reset_mcast_filter,
 541                         ulong mcast_filter_count,
 542                         struct efi_mac_address *mcast_filter);
 543         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 544                         int reset, struct efi_mac_address *new_mac);
 545         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 546                         int reset, ulong *stat_size, void *stat_table);
 547         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 548                         int ipv6, struct efi_ip_address *ip,
 549                         struct efi_mac_address *mac);
 550         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 551                         int read_write, ulong offset, ulong buffer_size,
 552                         char *buffer);
 553         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 554                         u32 *int_status, void **txbuf);
 555         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 556                         ulong header_size, ulong buffer_size, void *buffer,
 557                         struct efi_mac_address *src_addr,
 558                         struct efi_mac_address *dest_addr, u16 *protocol);
 559         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 560                         ulong *header_size, ulong *buffer_size, void *buffer,
 561                         struct efi_mac_address *src_addr,
 562                         struct efi_mac_address *dest_addr, u16 *protocol);
 563         void (EFIAPI *waitforpacket)(void);
 564         struct efi_simple_network_mode *mode;
 565 };
 566
 567 #define EFI_PXE_GUID \
 568         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 569                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 570
 571 struct efi_pxe_packet {
 572         u8 packet[1472];
 573 };
 574
 575 struct efi_pxe_mode
 576 {
 577         u8 unused[52];
 578         struct efi_pxe_packet dhcp_discover;
 579         struct efi_pxe_packet dhcp_ack;
 580         struct efi_pxe_packet proxy_offer;
 581         struct efi_pxe_packet pxe_discover;
 582         struct efi_pxe_packet pxe_reply;
 583 };
 584
 585 struct efi_pxe {
 586         u64 rev;
 587         void (EFIAPI *start)(void);
 588         void (EFIAPI *stop)(void);
 589         void (EFIAPI *dhcp)(void);
 590         void (EFIAPI *discover)(void);
 591         void (EFIAPI *mftp)(void);
 592         void (EFIAPI *udpwrite)(void);
 593         void (EFIAPI *udpread)(void);
 594         void (EFIAPI *setipfilter)(void);
 595         void (EFIAPI *arp)(void);
 596         void (EFIAPI *setparams)(void);
 597         void (EFIAPI *setstationip)(void);
 598         void (EFIAPI *setpackets)(void);
 599         struct efi_pxe_mode *mode;
 600 };
 601
 602 #endif