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_timer_delay {
  26         EFI_TIMER_STOP = 0,
  27         EFI_TIMER_PERIODIC = 1,
  28         EFI_TIMER_RELATIVE = 2
  29 };
  30
  31 #define UINTN size_t
  32 typedef long INTN;
  33 typedef uint16_t *efi_string_t;
  34
  35 #define EVT_TIMER                               0x80000000
  36 #define EVT_RUNTIME                             0x40000000
  37 #define EVT_NOTIFY_WAIT                         0x00000100
  38 #define EVT_NOTIFY_SIGNAL                       0x00000200
  39 #define EVT_SIGNAL_EXIT_BOOT_SERVICES           0x00000201
  40 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE       0x60000202
  41
  42 #define TPL_APPLICATION         0x04
  43 #define TPL_CALLBACK            0x08
  44 #define TPL_NOTIFY              0x10
  45 #define TPL_HIGH_LEVEL          0x1F
  46
  47 struct efi_event;
  48
  49 /* EFI Boot Services table */
  50 struct efi_boot_services {
  51         struct efi_table_hdr hdr;
  52         efi_status_t (EFIAPI *raise_tpl)(UINTN new_tpl);
  53         void (EFIAPI *restore_tpl)(UINTN old_tpl);
  54
  55         efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
  56                                               efi_physical_addr_t *);
  57         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
  58         efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
  59                         struct efi_mem_desc *desc, unsigned long *key,
  60                         unsigned long *desc_size, u32 *desc_version);
  61         efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
  62         efi_status_t (EFIAPI *free_pool)(void *);
  63
  64         efi_status_t (EFIAPI *create_event)(uint32_t type,
  65                         UINTN notify_tpl,
  66                         void (EFIAPI *notify_function) (
  67                                         struct efi_event *event,
  68                                         void *context),
  69                         void *notify_context, struct efi_event **event);
  70         efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
  71                                          enum efi_timer_delay type,
  72                                          uint64_t trigger_time);
  73         efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
  74                         struct efi_event **event, unsigned long *index);
  75         efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
  76         efi_status_t (EFIAPI *close_event)(struct efi_event *event);
  77         efi_status_t (EFIAPI *check_event)(struct efi_event *event);
  78 #define EFI_NATIVE_INTERFACE    0x00000000
  79         efi_status_t (EFIAPI *install_protocol_interface)(
  80                         void **handle, efi_guid_t *protocol,
  81                         int protocol_interface_type, void *protocol_interface);
  82         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  83                         void *handle, efi_guid_t *protocol,
  84                         void *old_interface, void *new_interface);
  85         efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
  86                         efi_guid_t *protocol, void *protocol_interface);
  87         efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
  88                                                void **);
  89         void *reserved;
  90         efi_status_t (EFIAPI *register_protocol_notify)(
  91                         efi_guid_t *protocol, struct efi_event *event,
  92                         void **registration);
  93         efi_status_t (EFIAPI *locate_handle)(
  94                         enum efi_locate_search_type search_type,
  95                         efi_guid_t *protocol, void *search_key,
  96                         unsigned long *buffer_size, efi_handle_t *buffer);
  97         efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
  98                         struct efi_device_path **device_path,
  99                         efi_handle_t *device);
 100         efi_status_t (EFIAPI *install_configuration_table)(
 101                         efi_guid_t *guid, void *table);
 102
 103         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
 104                         efi_handle_t parent_image,
 105                         struct efi_device_path *file_path, void *source_buffer,
 106                         unsigned long source_size, efi_handle_t *image);
 107         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
 108                                            unsigned long *exitdata_size,
 109                                            s16 **exitdata);
 110         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 111                                     efi_status_t exit_status,
 112                                     unsigned long exitdata_size, s16 *exitdata);
 113         efi_status_t (EFIAPI *unload_image)(void *image_handle);
 114         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
 115
 116         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 117         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 118         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 119                         uint64_t watchdog_code, unsigned long data_size,
 120                         uint16_t *watchdog_data);
 121         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 122                         efi_handle_t *driver_image_handle,
 123                         struct efi_device_path *remaining_device_path,
 124                         bool recursive);
 125         efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
 126                         void *driver_image_handle, void *child_handle);
 127 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 128 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 129 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 130 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 131 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 132 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 133         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 134                         efi_guid_t *protocol, void **interface,
 135                         efi_handle_t agent_handle,
 136                         efi_handle_t controller_handle, u32 attributes);
 137         efi_status_t (EFIAPI *close_protocol)(void *handle,
 138                         efi_guid_t *protocol, void *agent_handle,
 139                         void *controller_handle);
 140         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 141                         efi_guid_t *protocol,
 142                         struct efi_open_protocol_info_entry **entry_buffer,
 143                         unsigned long *entry_count);
 144         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 145                         efi_guid_t ***protocol_buffer,
 146                         unsigned long *protocols_buffer_count);
 147         efi_status_t (EFIAPI *locate_handle_buffer) (
 148                         enum efi_locate_search_type search_type,
 149                         efi_guid_t *protocol, void *search_key,
 150                         unsigned long *no_handles, efi_handle_t **buffer);
 151         efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
 152                         void *registration, void **protocol_interface);
 153         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 154                         void **handle, ...);
 155         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 156                         void *handle, ...);
 157         efi_status_t (EFIAPI *calculate_crc32)(void *data,
 158                         unsigned long data_size, uint32_t *crc32);
 159         void (EFIAPI *copy_mem)(void *destination, void *source,
 160                         unsigned long length);
 161         void (EFIAPI *set_mem)(void *buffer, unsigned long size,
 162                         uint8_t value);
 163         void *create_event_ex;
 164 };
 165
 166 /* Types and defines for EFI ResetSystem */
 167 enum efi_reset_type {
 168         EFI_RESET_COLD = 0,
 169         EFI_RESET_WARM = 1,
 170         EFI_RESET_SHUTDOWN = 2
 171 };
 172
 173 /* EFI Runtime Services table */
 174 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x5652453544e5552ULL
 175 #define EFI_RUNTIME_SERVICES_REVISION   0x00010000
 176
 177 struct efi_runtime_services {
 178         struct efi_table_hdr hdr;
 179         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 180                         struct efi_time_cap *capabilities);
 181         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 182         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 183                         struct efi_time *time);
 184         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 185                         struct efi_time *time);
 186         efi_status_t (EFIAPI *set_virtual_address_map)(
 187                         unsigned long memory_map_size,
 188                         unsigned long descriptor_size,
 189                         uint32_t descriptor_version,
 190                         struct efi_mem_desc *virtmap);
 191         efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
 192         efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
 193                         efi_guid_t *vendor, u32 *attributes,
 194                         unsigned long *data_size, void *data);
 195         efi_status_t (EFIAPI *get_next_variable)(
 196                         unsigned long *variable_name_size,
 197                         s16 *variable_name, efi_guid_t *vendor);
 198         efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
 199                         efi_guid_t *vendor, u32 attributes,
 200                         unsigned long data_size, void *data);
 201         efi_status_t (EFIAPI *get_next_high_mono_count)(
 202                         uint32_t *high_count);
 203         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 204                                     efi_status_t reset_status,
 205                                     unsigned long data_size, void *reset_data);
 206         void *update_capsule;
 207         void *query_capsule_caps;
 208         void *query_variable_info;
 209 };
 210
 211 /* EFI Configuration Table and GUID definitions */
 212 #define NULL_GUID \
 213         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 214                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 215
 216 #define EFI_GLOBAL_VARIABLE_GUID \
 217         EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
 218                  0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
 219
 220 #define LOADED_IMAGE_PROTOCOL_GUID \
 221         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 222                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 223
 224 #define EFI_FDT_GUID \
 225         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 226                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 227
 228 #define SMBIOS_TABLE_GUID \
 229         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 230                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 231
 232 struct efi_configuration_table
 233 {
 234         efi_guid_t guid;
 235         void *table;
 236 };
 237
 238 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 239
 240 struct efi_system_table {
 241         struct efi_table_hdr hdr;
 242         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 243         u32 fw_revision;
 244         unsigned long con_in_handle;
 245         struct efi_simple_input_interface *con_in;
 246         unsigned long con_out_handle;
 247         struct efi_simple_text_output_protocol *con_out;
 248         unsigned long stderr_handle;
 249         struct efi_simple_text_output_protocol *std_err;
 250         struct efi_runtime_services *runtime;
 251         struct efi_boot_services *boottime;
 252         unsigned long nr_tables;
 253         struct efi_configuration_table *tables;
 254 };
 255
 256 #define LOADED_IMAGE_GUID \
 257         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 258                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 259
 260 struct efi_loaded_image {
 261         u32 revision;
 262         void *parent_handle;
 263         struct efi_system_table *system_table;
 264         void *device_handle;
 265         void *file_path;
 266         void *reserved;
 267         u32 load_options_size;
 268         void *load_options;
 269         void *image_base;
 270         aligned_u64 image_size;
 271         unsigned int image_code_type;
 272         unsigned int image_data_type;
 273         unsigned long unload;
 274
 275         /* Below are efi loader private fields */
 276 #ifdef CONFIG_EFI_LOADER
 277         efi_status_t exit_status;
 278         struct jmp_buf_data exit_jmp;
 279 #endif
 280 };
 281
 282 #define DEVICE_PATH_GUID \
 283         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 284                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 285
 286 #define DEVICE_PATH_TYPE_END                    0x7f
 287 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 288
 289 struct efi_device_path {
 290         u8 type;
 291         u8 sub_type;
 292         u16 length;
 293 } __packed;
 294
 295 struct efi_mac_addr {
 296         u8 addr[32];
 297 } __packed;
 298
 299 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 300 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 301
 302 struct efi_device_path_vendor {
 303         struct efi_device_path dp;
 304         efi_guid_t guid;
 305         u8 vendor_data[];
 306 } __packed;
 307
 308 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 309 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 310
 311 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 312 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 313 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 314
 315 struct efi_device_path_acpi_path {
 316         struct efi_device_path dp;
 317         u32 hid;
 318         u32 uid;
 319 } __packed;
 320
 321 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 322 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 323 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 324 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 325 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 326 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 327
 328 struct efi_device_path_usb {
 329         struct efi_device_path dp;
 330         u8 parent_port_number;
 331         u8 usb_interface;
 332 } __packed;
 333
 334 struct efi_device_path_mac_addr {
 335         struct efi_device_path dp;
 336         struct efi_mac_addr mac;
 337         u8 if_type;
 338 } __packed;
 339
 340 struct efi_device_path_usb_class {
 341         struct efi_device_path dp;
 342         u16 vendor_id;
 343         u16 product_id;
 344         u8 device_class;
 345         u8 device_subclass;
 346         u8 device_protocol;
 347 } __packed;
 348
 349 struct efi_device_path_sd_mmc_path {
 350         struct efi_device_path dp;
 351         u8 slot_number;
 352 } __packed;
 353
 354 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 355 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 356 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 357 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 358
 359 struct efi_device_path_hard_drive_path {
 360         struct efi_device_path dp;
 361         u32 partition_number;
 362         u64 partition_start;
 363         u64 partition_end;
 364         u8 partition_signature[16];
 365         u8 partmap_type;
 366         u8 signature_type;
 367 } __packed;
 368
 369 struct efi_device_path_cdrom_path {
 370         struct efi_device_path dp;
 371         u32 boot_entry;
 372         u64 partition_start;
 373         u64 partition_end;
 374 } __packed;
 375
 376 struct efi_device_path_file_path {
 377         struct efi_device_path dp;
 378         u16 str[];
 379 } __packed;
 380
 381 #define BLOCK_IO_GUID \
 382         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 383                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 384
 385 struct efi_block_io_media
 386 {
 387         u32 media_id;
 388         char removable_media;
 389         char media_present;
 390         char logical_partition;
 391         char read_only;
 392         char write_caching;
 393         u8 pad[3];
 394         u32 block_size;
 395         u32 io_align;
 396         u8 pad2[4];
 397         u64 last_block;
 398 };
 399
 400 struct efi_block_io {
 401         u64 revision;
 402         struct efi_block_io_media *media;
 403         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 404                         char extended_verification);
 405         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 406                         u32 media_id, u64 lba, unsigned long buffer_size,
 407                         void *buffer);
 408         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 409                         u32 media_id, u64 lba, unsigned long buffer_size,
 410                         void *buffer);
 411         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 412 };
 413
 414 struct simple_text_output_mode {
 415         s32 max_mode;
 416         s32 mode;
 417         s32 attribute;
 418         s32 cursor_column;
 419         s32 cursor_row;
 420         bool cursor_visible;
 421 };
 422
 423
 424 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 425         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 426                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 427
 428 struct efi_simple_text_output_protocol {
 429         void *reset;
 430         efi_status_t (EFIAPI *output_string)(
 431                         struct efi_simple_text_output_protocol *this,
 432                         const efi_string_t str);
 433         efi_status_t (EFIAPI *test_string)(
 434                         struct efi_simple_text_output_protocol *this,
 435                         const efi_string_t str);
 436         efi_status_t(EFIAPI *query_mode)(
 437                         struct efi_simple_text_output_protocol *this,
 438                         unsigned long mode_number, unsigned long *columns,
 439                         unsigned long *rows);
 440         efi_status_t(EFIAPI *set_mode)(
 441                         struct efi_simple_text_output_protocol *this,
 442                         unsigned long mode_number);
 443         efi_status_t(EFIAPI *set_attribute)(
 444                         struct efi_simple_text_output_protocol *this,
 445                         unsigned long attribute);
 446         efi_status_t(EFIAPI *clear_screen) (
 447                         struct efi_simple_text_output_protocol *this);
 448         efi_status_t(EFIAPI *set_cursor_position) (
 449                         struct efi_simple_text_output_protocol *this,
 450                         unsigned long column, unsigned long row);
 451         efi_status_t(EFIAPI *enable_cursor)(
 452                         struct efi_simple_text_output_protocol *this,
 453                         bool enable);
 454         struct simple_text_output_mode *mode;
 455 };
 456
 457 struct efi_input_key {
 458         u16 scan_code;
 459         s16 unicode_char;
 460 };
 461
 462 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 463         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 464                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 465
 466 struct efi_simple_input_interface {
 467         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 468                         bool ExtendedVerification);
 469         efi_status_t(EFIAPI *read_key_stroke)(
 470                         struct efi_simple_input_interface *this,
 471                         struct efi_input_key *key);
 472         struct efi_event *wait_for_key;
 473 };
 474
 475 #define CONSOLE_CONTROL_GUID \
 476         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 477                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 478 #define EFI_CONSOLE_MODE_TEXT   0
 479 #define EFI_CONSOLE_MODE_GFX    1
 480
 481 struct efi_console_control_protocol
 482 {
 483         efi_status_t (EFIAPI *get_mode)(
 484                         struct efi_console_control_protocol *this, int *mode,
 485                         char *uga_exists, char *std_in_locked);
 486         efi_status_t (EFIAPI *set_mode)(
 487                         struct efi_console_control_protocol *this, int mode);
 488         efi_status_t (EFIAPI *lock_std_in)(
 489                         struct efi_console_control_protocol *this,
 490                         uint16_t *password);
 491 };
 492
 493 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 494         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 495                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 496
 497 struct efi_device_path_to_text_protocol
 498 {
 499         uint16_t *(EFIAPI *convert_device_node_to_text)(
 500                         struct efi_device_path *device_node,
 501                         bool display_only,
 502                         bool allow_shortcuts);
 503         uint16_t *(EFIAPI *convert_device_path_to_text)(
 504                         struct efi_device_path *device_path,
 505                         bool display_only,
 506                         bool allow_shortcuts);
 507 };
 508
 509 #define EFI_GOP_GUID \
 510         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 511                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 512
 513 #define EFI_GOT_RGBA8           0
 514 #define EFI_GOT_BGRA8           1
 515 #define EFI_GOT_BITMASK         2
 516
 517 struct efi_gop_mode_info
 518 {
 519         u32 version;
 520         u32 width;
 521         u32 height;
 522         u32 pixel_format;
 523         u32 pixel_bitmask[4];
 524         u32 pixels_per_scanline;
 525 };
 526
 527 struct efi_gop_mode
 528 {
 529         u32 max_mode;
 530         u32 mode;
 531         struct efi_gop_mode_info *info;
 532         unsigned long info_size;
 533         efi_physical_addr_t fb_base;
 534         unsigned long fb_size;
 535 };
 536
 537 #define EFI_BLT_VIDEO_FILL              0
 538 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 539 #define EFI_BLT_BUFFER_TO_VIDEO         2
 540 #define EFI_BLT_VIDEO_TO_VIDEO          3
 541
 542 struct efi_gop
 543 {
 544         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 545                                           unsigned long *size_of_info,
 546                                           struct efi_gop_mode_info **info);
 547         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 548         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 549                                    unsigned long operation, unsigned long sx,
 550                                    unsigned long sy, unsigned long dx,
 551                                    unsigned long dy, unsigned long width,
 552                                    unsigned long height, unsigned long delta);
 553         struct efi_gop_mode *mode;
 554 };
 555
 556 #define EFI_SIMPLE_NETWORK_GUID \
 557         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 558                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 559
 560 struct efi_mac_address {
 561         char mac_addr[32];
 562 };
 563
 564 struct efi_ip_address {
 565         u8 ip_addr[16];
 566 };
 567
 568 enum efi_simple_network_state {
 569         EFI_NETWORK_STOPPED,
 570         EFI_NETWORK_STARTED,
 571         EFI_NETWORK_INITIALIZED,
 572 };
 573
 574 struct efi_simple_network_mode {
 575         enum efi_simple_network_state state;
 576         u32 hwaddr_size;
 577         u32 media_header_size;
 578         u32 max_packet_size;
 579         u32 nvram_size;
 580         u32 nvram_access_size;
 581         u32 receive_filter_mask;
 582         u32 receive_filter_setting;
 583         u32 max_mcast_filter_count;
 584         u32 mcast_filter_count;
 585         struct efi_mac_address mcast_filter[16];
 586         struct efi_mac_address current_address;
 587         struct efi_mac_address broadcast_address;
 588         struct efi_mac_address permanent_address;
 589         u8 if_type;
 590         u8 mac_changeable;
 591         u8 multitx_supported;
 592         u8 media_present_supported;
 593         u8 media_present;
 594 };
 595
 596 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
 597 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
 598 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
 599 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
 600 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
 601
 602 struct efi_simple_network
 603 {
 604         u64 revision;
 605         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 606         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 607         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 608                         ulong extra_rx, ulong extra_tx);
 609         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 610                         int extended_verification);
 611         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 612         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 613                         u32 enable, u32 disable, int reset_mcast_filter,
 614                         ulong mcast_filter_count,
 615                         struct efi_mac_address *mcast_filter);
 616         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 617                         int reset, struct efi_mac_address *new_mac);
 618         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 619                         int reset, ulong *stat_size, void *stat_table);
 620         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 621                         int ipv6, struct efi_ip_address *ip,
 622                         struct efi_mac_address *mac);
 623         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 624                         int read_write, ulong offset, ulong buffer_size,
 625                         char *buffer);
 626         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 627                         u32 *int_status, void **txbuf);
 628         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 629                         ulong header_size, ulong buffer_size, void *buffer,
 630                         struct efi_mac_address *src_addr,
 631                         struct efi_mac_address *dest_addr, u16 *protocol);
 632         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 633                         ulong *header_size, ulong *buffer_size, void *buffer,
 634                         struct efi_mac_address *src_addr,
 635                         struct efi_mac_address *dest_addr, u16 *protocol);
 636         void (EFIAPI *waitforpacket)(void);
 637         struct efi_simple_network_mode *mode;
 638 };
 639
 640 #define EFI_PXE_GUID \
 641         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 642                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 643
 644 struct efi_pxe_packet {
 645         u8 packet[1472];
 646 };
 647
 648 struct efi_pxe_mode
 649 {
 650         u8 unused[52];
 651         struct efi_pxe_packet dhcp_discover;
 652         struct efi_pxe_packet dhcp_ack;
 653         struct efi_pxe_packet proxy_offer;
 654         struct efi_pxe_packet pxe_discover;
 655         struct efi_pxe_packet pxe_reply;
 656 };
 657
 658 struct efi_pxe {
 659         u64 rev;
 660         void (EFIAPI *start)(void);
 661         void (EFIAPI *stop)(void);
 662         void (EFIAPI *dhcp)(void);
 663         void (EFIAPI *discover)(void);
 664         void (EFIAPI *mftp)(void);
 665         void (EFIAPI *udpwrite)(void);
 666         void (EFIAPI *udpread)(void);
 667         void (EFIAPI *setipfilter)(void);
 668         void (EFIAPI *arp)(void);
 669         void (EFIAPI *setparams)(void);
 670         void (EFIAPI *setstationip)(void);
 671         void (EFIAPI *setpackets)(void);
 672         struct efi_pxe_mode *mode;
 673 };
 674
 675 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 676         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 677                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 678 #define EFI_FILE_PROTOCOL_REVISION 0x00010000
 679
 680 struct efi_file_handle {
 681         u64 rev;
 682         efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
 683                         struct efi_file_handle **new_handle,
 684                         s16 *file_name, u64 open_mode, u64 attributes);
 685         efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
 686         efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
 687         efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
 688                         u64 *buffer_size, void *buffer);
 689         efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
 690                         u64 *buffer_size, void *buffer);
 691         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
 692                         u64 *pos);
 693         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
 694                         u64 pos);
 695         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
 696                         efi_guid_t *info_type, u64 *buffer_size, void *buffer);
 697         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
 698                         efi_guid_t *info_type, u64 buffer_size, void *buffer);
 699         efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
 700 };
 701
 702 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 703         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 704                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 705 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
 706
 707 struct efi_simple_file_system_protocol {
 708         u64 rev;
 709         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
 710                         struct efi_file_handle **root);
 711 };
 712
 713 #define EFI_FILE_INFO_GUID \
 714         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
 715                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 716
 717 #define EFI_FILE_MODE_READ      0x0000000000000001
 718 #define EFI_FILE_MODE_WRITE     0x0000000000000002
 719 #define EFI_FILE_MODE_CREATE    0x8000000000000000
 720
 721 #define EFI_FILE_READ_ONLY      0x0000000000000001
 722 #define EFI_FILE_HIDDEN         0x0000000000000002
 723 #define EFI_FILE_SYSTEM         0x0000000000000004
 724 #define EFI_FILE_RESERVED       0x0000000000000008
 725 #define EFI_FILE_DIRECTORY      0x0000000000000010
 726 #define EFI_FILE_ARCHIVE        0x0000000000000020
 727 #define EFI_FILE_VALID_ATTR     0x0000000000000037
 728
 729 struct efi_file_info {
 730         u64 size;
 731         u64 file_size;
 732         u64 physical_size;
 733         struct efi_time create_time;
 734         struct efi_time last_access_time;
 735         struct efi_time modification_time;
 736         u64 attribute;
 737         s16 file_name[0];
 738 };
 739
 740 #endif