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 efi_uintn_t size_t
  32 typedef uint16_t *efi_string_t;
  33
  34 #define EVT_TIMER                               0x80000000
  35 #define EVT_RUNTIME                             0x40000000
  36 #define EVT_NOTIFY_WAIT                         0x00000100
  37 #define EVT_NOTIFY_SIGNAL                       0x00000200
  38 #define EVT_SIGNAL_EXIT_BOOT_SERVICES           0x00000201
  39 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE       0x60000202
  40
  41 #define TPL_APPLICATION         0x04
  42 #define TPL_CALLBACK            0x08
  43 #define TPL_NOTIFY              0x10
  44 #define TPL_HIGH_LEVEL          0x1F
  45
  46 struct efi_event;
  47
  48 /* EFI Boot Services table */
  49 struct efi_boot_services {
  50         struct efi_table_hdr hdr;
  51         efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl);
  52         void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl);
  53
  54         efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t,
  55                                               efi_physical_addr_t *);
  56         efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t);
  57         efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size,
  58                                               struct efi_mem_desc *desc,
  59                                               efi_uintn_t *key,
  60                                               efi_uintn_t *desc_size,
  61                                               u32 *desc_version);
  62         efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **);
  63         efi_status_t (EFIAPI *free_pool)(void *);
  64
  65         efi_status_t (EFIAPI *create_event)(uint32_t type,
  66                         efi_uintn_t notify_tpl,
  67                         void (EFIAPI *notify_function) (
  68                                         struct efi_event *event,
  69                                         void *context),
  70                         void *notify_context, struct efi_event **event);
  71         efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
  72                                          enum efi_timer_delay type,
  73                                          uint64_t trigger_time);
  74         efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events,
  75                                               struct efi_event **event,
  76                                               efi_uintn_t *index);
  77         efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
  78         efi_status_t (EFIAPI *close_event)(struct efi_event *event);
  79         efi_status_t (EFIAPI *check_event)(struct efi_event *event);
  80 #define EFI_NATIVE_INTERFACE    0x00000000
  81         efi_status_t (EFIAPI *install_protocol_interface)(
  82                         void **handle, const efi_guid_t *protocol,
  83                         int protocol_interface_type, void *protocol_interface);
  84         efi_status_t (EFIAPI *reinstall_protocol_interface)(
  85                         void *handle, const efi_guid_t *protocol,
  86                         void *old_interface, void *new_interface);
  87         efi_status_t (EFIAPI *uninstall_protocol_interface)(
  88                         efi_handle_t handle, const efi_guid_t *protocol,
  89                         void *protocol_interface);
  90         efi_status_t (EFIAPI *handle_protocol)(
  91                         efi_handle_t handle, const efi_guid_t *protocol,
  92                         void **protocol_interface);
  93         void *reserved;
  94         efi_status_t (EFIAPI *register_protocol_notify)(
  95                         const efi_guid_t *protocol, struct efi_event *event,
  96                         void **registration);
  97         efi_status_t (EFIAPI *locate_handle)(
  98                         enum efi_locate_search_type search_type,
  99                         const efi_guid_t *protocol, void *search_key,
 100                         efi_uintn_t *buffer_size, efi_handle_t *buffer);
 101         efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol,
 102                         struct efi_device_path **device_path,
 103                         efi_handle_t *device);
 104         efi_status_t (EFIAPI *install_configuration_table)(
 105                         efi_guid_t *guid, void *table);
 106
 107         efi_status_t (EFIAPI *load_image)(bool boot_policiy,
 108                         efi_handle_t parent_image,
 109                         struct efi_device_path *file_path, void *source_buffer,
 110                         unsigned long source_size, efi_handle_t *image);
 111         efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
 112                                            unsigned long *exitdata_size,
 113                                            s16 **exitdata);
 114         efi_status_t (EFIAPI *exit)(efi_handle_t handle,
 115                                     efi_status_t exit_status,
 116                                     unsigned long exitdata_size, s16 *exitdata);
 117         efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle);
 118         efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
 119
 120         efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
 121         efi_status_t (EFIAPI *stall)(unsigned long usecs);
 122         efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
 123                         uint64_t watchdog_code, unsigned long data_size,
 124                         uint16_t *watchdog_data);
 125         efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
 126                         efi_handle_t *driver_image_handle,
 127                         struct efi_device_path *remaining_device_path,
 128                         bool recursive);
 129         efi_status_t (EFIAPI *disconnect_controller)(
 130                         efi_handle_t controller_handle,
 131                         efi_handle_t driver_image_handle,
 132                         efi_handle_t child_handle);
 133 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
 134 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
 135 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
 136 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
 137 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
 138 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
 139         efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
 140                         const efi_guid_t *protocol, void **interface,
 141                         efi_handle_t agent_handle,
 142                         efi_handle_t controller_handle, u32 attributes);
 143         efi_status_t (EFIAPI *close_protocol)(
 144                         efi_handle_t handle, const efi_guid_t *protocol,
 145                         efi_handle_t agent_handle,
 146                         efi_handle_t controller_handle);
 147         efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
 148                         const efi_guid_t *protocol,
 149                         struct efi_open_protocol_info_entry **entry_buffer,
 150                         efi_uintn_t *entry_count);
 151         efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
 152                         efi_guid_t ***protocol_buffer,
 153                         efi_uintn_t *protocols_buffer_count);
 154         efi_status_t (EFIAPI *locate_handle_buffer) (
 155                         enum efi_locate_search_type search_type,
 156                         const efi_guid_t *protocol, void *search_key,
 157                         efi_uintn_t *no_handles, efi_handle_t **buffer);
 158         efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol,
 159                         void *registration, void **protocol_interface);
 160         efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
 161                         void **handle, ...);
 162         efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
 163                         void *handle, ...);
 164         efi_status_t (EFIAPI *calculate_crc32)(void *data,
 165                         unsigned long data_size, uint32_t *crc32);
 166         void (EFIAPI *copy_mem)(void *destination, const void *source,
 167                         size_t length);
 168         void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value);
 169         void *create_event_ex;
 170 };
 171
 172 /* Types and defines for EFI ResetSystem */
 173 enum efi_reset_type {
 174         EFI_RESET_COLD = 0,
 175         EFI_RESET_WARM = 1,
 176         EFI_RESET_SHUTDOWN = 2
 177 };
 178
 179 /* EFI Runtime Services table */
 180 #define EFI_RUNTIME_SERVICES_SIGNATURE  0x5652453544e5552ULL
 181 #define EFI_RUNTIME_SERVICES_REVISION   0x00010000
 182
 183 struct efi_runtime_services {
 184         struct efi_table_hdr hdr;
 185         efi_status_t (EFIAPI *get_time)(struct efi_time *time,
 186                         struct efi_time_cap *capabilities);
 187         efi_status_t (EFIAPI *set_time)(struct efi_time *time);
 188         efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
 189                         struct efi_time *time);
 190         efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
 191                         struct efi_time *time);
 192         efi_status_t (EFIAPI *set_virtual_address_map)(
 193                         unsigned long memory_map_size,
 194                         unsigned long descriptor_size,
 195                         uint32_t descriptor_version,
 196                         struct efi_mem_desc *virtmap);
 197         efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
 198         efi_status_t (EFIAPI *get_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_variable)(
 202                         unsigned long *variable_name_size,
 203                         s16 *variable_name, efi_guid_t *vendor);
 204         efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
 205                         efi_guid_t *vendor, u32 attributes,
 206                         unsigned long data_size, void *data);
 207         efi_status_t (EFIAPI *get_next_high_mono_count)(
 208                         uint32_t *high_count);
 209         void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
 210                                     efi_status_t reset_status,
 211                                     unsigned long data_size, void *reset_data);
 212         void *update_capsule;
 213         void *query_capsule_caps;
 214         void *query_variable_info;
 215 };
 216
 217 /* EFI Configuration Table and GUID definitions */
 218 #define NULL_GUID \
 219         EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
 220                  0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
 221
 222 #define EFI_GLOBAL_VARIABLE_GUID \
 223         EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
 224                  0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
 225
 226 #define LOADED_IMAGE_PROTOCOL_GUID \
 227         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
 228                  0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 229
 230 #define EFI_FDT_GUID \
 231         EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
 232                  0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
 233
 234 #define SMBIOS_TABLE_GUID \
 235         EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
 236                  0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 237
 238 struct efi_configuration_table
 239 {
 240         efi_guid_t guid;
 241         void *table;
 242 };
 243
 244 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
 245
 246 struct efi_system_table {
 247         struct efi_table_hdr hdr;
 248         unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
 249         u32 fw_revision;
 250         efi_handle_t con_in_handle;
 251         struct efi_simple_input_interface *con_in;
 252         efi_handle_t con_out_handle;
 253         struct efi_simple_text_output_protocol *con_out;
 254         efi_handle_t stderr_handle;
 255         struct efi_simple_text_output_protocol *std_err;
 256         struct efi_runtime_services *runtime;
 257         struct efi_boot_services *boottime;
 258         efi_uintn_t nr_tables;
 259         struct efi_configuration_table *tables;
 260 };
 261
 262 #define LOADED_IMAGE_GUID \
 263         EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
 264                  0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 265
 266 struct efi_loaded_image {
 267         u32 revision;
 268         void *parent_handle;
 269         struct efi_system_table *system_table;
 270         void *device_handle;
 271         void *file_path;
 272         void *reserved;
 273         u32 load_options_size;
 274         void *load_options;
 275         void *image_base;
 276         aligned_u64 image_size;
 277         unsigned int image_code_type;
 278         unsigned int image_data_type;
 279         unsigned long unload;
 280
 281         /* Below are efi loader private fields */
 282 #ifdef CONFIG_EFI_LOADER
 283         efi_status_t exit_status;
 284         struct jmp_buf_data exit_jmp;
 285 #endif
 286 };
 287
 288 #define DEVICE_PATH_GUID \
 289         EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
 290                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
 291
 292 #define DEVICE_PATH_TYPE_END                    0x7f
 293 #  define DEVICE_PATH_SUB_TYPE_END              0xff
 294
 295 struct efi_device_path {
 296         u8 type;
 297         u8 sub_type;
 298         u16 length;
 299 } __packed;
 300
 301 struct efi_mac_addr {
 302         u8 addr[32];
 303 } __packed;
 304
 305 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE        0x01
 306 #  define DEVICE_PATH_SUB_TYPE_MEMORY           0x03
 307 #  define DEVICE_PATH_SUB_TYPE_VENDOR           0x04
 308
 309 struct efi_device_path_memory {
 310         struct efi_device_path dp;
 311         u32 memory_type;
 312         u64 start_address;
 313         u64 end_address;
 314 } __packed;
 315
 316 struct efi_device_path_vendor {
 317         struct efi_device_path dp;
 318         efi_guid_t guid;
 319         u8 vendor_data[];
 320 } __packed;
 321
 322 #define DEVICE_PATH_TYPE_ACPI_DEVICE            0x02
 323 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE      0x01
 324
 325 #define EFI_PNP_ID(ID)                          (u32)(((ID) << 16) | 0x41D0)
 326 #define EISA_PNP_ID(ID)                         EFI_PNP_ID(ID)
 327 #define EISA_PNP_NUM(ID)                        ((ID) >> 16)
 328
 329 struct efi_device_path_acpi_path {
 330         struct efi_device_path dp;
 331         u32 hid;
 332         u32 uid;
 333 } __packed;
 334
 335 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE       0x03
 336 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI        0x01
 337 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI         0x02
 338 #  define DEVICE_PATH_SUB_TYPE_MSG_USB          0x05
 339 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR     0x0b
 340 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS    0x0f
 341 #  define DEVICE_PATH_SUB_TYPE_MSG_SD           0x1a
 342 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC          0x1d
 343
 344 struct efi_device_path_atapi {
 345         struct efi_device_path dp;
 346         u8 primary_secondary;
 347         u8 slave_master;
 348         u16 logical_unit_number;
 349 } __packed;
 350
 351 struct efi_device_path_scsi {
 352         struct efi_device_path dp;
 353         u16 target_id;
 354         u16 logical_unit_number;
 355 } __packed;
 356
 357 struct efi_device_path_usb {
 358         struct efi_device_path dp;
 359         u8 parent_port_number;
 360         u8 usb_interface;
 361 } __packed;
 362
 363 struct efi_device_path_mac_addr {
 364         struct efi_device_path dp;
 365         struct efi_mac_addr mac;
 366         u8 if_type;
 367 } __packed;
 368
 369 struct efi_device_path_usb_class {
 370         struct efi_device_path dp;
 371         u16 vendor_id;
 372         u16 product_id;
 373         u8 device_class;
 374         u8 device_subclass;
 375         u8 device_protocol;
 376 } __packed;
 377
 378 struct efi_device_path_sd_mmc_path {
 379         struct efi_device_path dp;
 380         u8 slot_number;
 381 } __packed;
 382
 383 #define DEVICE_PATH_TYPE_MEDIA_DEVICE           0x04
 384 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH  0x01
 385 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH       0x02
 386 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH        0x04
 387
 388 struct efi_device_path_hard_drive_path {
 389         struct efi_device_path dp;
 390         u32 partition_number;
 391         u64 partition_start;
 392         u64 partition_end;
 393         u8 partition_signature[16];
 394         u8 partmap_type;
 395         u8 signature_type;
 396 } __packed;
 397
 398 struct efi_device_path_cdrom_path {
 399         struct efi_device_path dp;
 400         u32 boot_entry;
 401         u64 partition_start;
 402         u64 partition_end;
 403 } __packed;
 404
 405 struct efi_device_path_file_path {
 406         struct efi_device_path dp;
 407         u16 str[];
 408 } __packed;
 409
 410 #define BLOCK_IO_GUID \
 411         EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
 412                  0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 413
 414 struct efi_block_io_media
 415 {
 416         u32 media_id;
 417         char removable_media;
 418         char media_present;
 419         char logical_partition;
 420         char read_only;
 421         char write_caching;
 422         u8 pad[3];
 423         u32 block_size;
 424         u32 io_align;
 425         u8 pad2[4];
 426         u64 last_block;
 427         /* Added in revision 2 of the protocol */
 428         u64 lowest_aligned_lba;
 429         u32 logical_blocks_per_physical_block;
 430         /* Added in revision 3 of the protocol */
 431         u32 optimal_transfer_length_granualarity;
 432 };
 433
 434 #define EFI_BLOCK_IO_PROTOCOL_REVISION2 0x00020001
 435 #define EFI_BLOCK_IO_PROTOCOL_REVISION3 0x0002001f
 436
 437 struct efi_block_io {
 438         u64 revision;
 439         struct efi_block_io_media *media;
 440         efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
 441                         char extended_verification);
 442         efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
 443                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 444                         void *buffer);
 445         efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
 446                         u32 media_id, u64 lba, efi_uintn_t buffer_size,
 447                         void *buffer);
 448         efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
 449 };
 450
 451 struct simple_text_output_mode {
 452         s32 max_mode;
 453         s32 mode;
 454         s32 attribute;
 455         s32 cursor_column;
 456         s32 cursor_row;
 457         bool cursor_visible;
 458 };
 459
 460
 461 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
 462         EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
 463                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 464
 465 #define EFI_BLACK                0x00
 466 #define EFI_BLUE                 0x01
 467 #define EFI_GREEN                0x02
 468 #define EFI_CYAN                 0x03
 469 #define EFI_RED                  0x04
 470 #define EFI_MAGENTA              0x05
 471 #define EFI_BROWN                0x06
 472 #define EFI_LIGHTGRAY            0x07
 473 #define EFI_BRIGHT               0x08
 474 #define EFI_DARKGRAY             0x08
 475 #define EFI_LIGHTBLUE            0x09
 476 #define EFI_LIGHTGREEN           0x0a
 477 #define EFI_LIGHTCYAN            0x0b
 478 #define EFI_LIGHTRED             0x0c
 479 #define EFI_LIGHTMAGENTA         0x0d
 480 #define EFI_YELLOW               0x0e
 481 #define EFI_WHITE                0x0f
 482 #define EFI_BACKGROUND_BLACK     0x00
 483 #define EFI_BACKGROUND_BLUE      0x10
 484 #define EFI_BACKGROUND_GREEN     0x20
 485 #define EFI_BACKGROUND_CYAN      0x30
 486 #define EFI_BACKGROUND_RED       0x40
 487 #define EFI_BACKGROUND_MAGENTA   0x50
 488 #define EFI_BACKGROUND_BROWN     0x60
 489 #define EFI_BACKGROUND_LIGHTGRAY 0x70
 490
 491 /* extract foreground color from EFI attribute */
 492 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
 493 /* treat high bit of FG as bright/bold (similar to edk2) */
 494 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
 495 /* extract background color from EFI attribute */
 496 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
 497
 498 struct efi_simple_text_output_protocol {
 499         void *reset;
 500         efi_status_t (EFIAPI *output_string)(
 501                         struct efi_simple_text_output_protocol *this,
 502                         const efi_string_t str);
 503         efi_status_t (EFIAPI *test_string)(
 504                         struct efi_simple_text_output_protocol *this,
 505                         const efi_string_t str);
 506         efi_status_t(EFIAPI *query_mode)(
 507                         struct efi_simple_text_output_protocol *this,
 508                         unsigned long mode_number, unsigned long *columns,
 509                         unsigned long *rows);
 510         efi_status_t(EFIAPI *set_mode)(
 511                         struct efi_simple_text_output_protocol *this,
 512                         unsigned long mode_number);
 513         efi_status_t(EFIAPI *set_attribute)(
 514                         struct efi_simple_text_output_protocol *this,
 515                         unsigned long attribute);
 516         efi_status_t(EFIAPI *clear_screen) (
 517                         struct efi_simple_text_output_protocol *this);
 518         efi_status_t(EFIAPI *set_cursor_position) (
 519                         struct efi_simple_text_output_protocol *this,
 520                         unsigned long column, unsigned long row);
 521         efi_status_t(EFIAPI *enable_cursor)(
 522                         struct efi_simple_text_output_protocol *this,
 523                         bool enable);
 524         struct simple_text_output_mode *mode;
 525 };
 526
 527 struct efi_input_key {
 528         u16 scan_code;
 529         s16 unicode_char;
 530 };
 531
 532 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
 533         EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
 534                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 535
 536 struct efi_simple_input_interface {
 537         efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
 538                         bool ExtendedVerification);
 539         efi_status_t(EFIAPI *read_key_stroke)(
 540                         struct efi_simple_input_interface *this,
 541                         struct efi_input_key *key);
 542         struct efi_event *wait_for_key;
 543 };
 544
 545 #define CONSOLE_CONTROL_GUID \
 546         EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
 547                  0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
 548 #define EFI_CONSOLE_MODE_TEXT   0
 549 #define EFI_CONSOLE_MODE_GFX    1
 550
 551 struct efi_console_control_protocol
 552 {
 553         efi_status_t (EFIAPI *get_mode)(
 554                         struct efi_console_control_protocol *this, int *mode,
 555                         char *uga_exists, char *std_in_locked);
 556         efi_status_t (EFIAPI *set_mode)(
 557                         struct efi_console_control_protocol *this, int mode);
 558         efi_status_t (EFIAPI *lock_std_in)(
 559                         struct efi_console_control_protocol *this,
 560                         uint16_t *password);
 561 };
 562
 563 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
 564         EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
 565                  0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
 566
 567 struct efi_device_path_to_text_protocol
 568 {
 569         uint16_t *(EFIAPI *convert_device_node_to_text)(
 570                         struct efi_device_path *device_node,
 571                         bool display_only,
 572                         bool allow_shortcuts);
 573         uint16_t *(EFIAPI *convert_device_path_to_text)(
 574                         struct efi_device_path *device_path,
 575                         bool display_only,
 576                         bool allow_shortcuts);
 577 };
 578
 579 #define EFI_GOP_GUID \
 580         EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
 581                  0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
 582
 583 #define EFI_GOT_RGBA8           0
 584 #define EFI_GOT_BGRA8           1
 585 #define EFI_GOT_BITMASK         2
 586
 587 struct efi_gop_mode_info
 588 {
 589         u32 version;
 590         u32 width;
 591         u32 height;
 592         u32 pixel_format;
 593         u32 pixel_bitmask[4];
 594         u32 pixels_per_scanline;
 595 };
 596
 597 struct efi_gop_mode
 598 {
 599         u32 max_mode;
 600         u32 mode;
 601         struct efi_gop_mode_info *info;
 602         unsigned long info_size;
 603         efi_physical_addr_t fb_base;
 604         unsigned long fb_size;
 605 };
 606
 607 #define EFI_BLT_VIDEO_FILL              0
 608 #define EFI_BLT_VIDEO_TO_BLT_BUFFER     1
 609 #define EFI_BLT_BUFFER_TO_VIDEO         2
 610 #define EFI_BLT_VIDEO_TO_VIDEO          3
 611
 612 struct efi_gop
 613 {
 614         efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
 615                                           efi_uintn_t *size_of_info,
 616                                           struct efi_gop_mode_info **info);
 617         efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
 618         efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
 619                                    u32 operation, efi_uintn_t sx,
 620                                    efi_uintn_t sy, efi_uintn_t dx,
 621                                    efi_uintn_t dy, efi_uintn_t width,
 622                                    efi_uintn_t height, efi_uintn_t delta);
 623         struct efi_gop_mode *mode;
 624 };
 625
 626 #define EFI_SIMPLE_NETWORK_GUID \
 627         EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
 628                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 629
 630 struct efi_mac_address {
 631         char mac_addr[32];
 632 };
 633
 634 struct efi_ip_address {
 635         u8 ip_addr[16];
 636 };
 637
 638 enum efi_simple_network_state {
 639         EFI_NETWORK_STOPPED,
 640         EFI_NETWORK_STARTED,
 641         EFI_NETWORK_INITIALIZED,
 642 };
 643
 644 struct efi_simple_network_mode {
 645         enum efi_simple_network_state state;
 646         u32 hwaddr_size;
 647         u32 media_header_size;
 648         u32 max_packet_size;
 649         u32 nvram_size;
 650         u32 nvram_access_size;
 651         u32 receive_filter_mask;
 652         u32 receive_filter_setting;
 653         u32 max_mcast_filter_count;
 654         u32 mcast_filter_count;
 655         struct efi_mac_address mcast_filter[16];
 656         struct efi_mac_address current_address;
 657         struct efi_mac_address broadcast_address;
 658         struct efi_mac_address permanent_address;
 659         u8 if_type;
 660         u8 mac_changeable;
 661         u8 multitx_supported;
 662         u8 media_present_supported;
 663         u8 media_present;
 664 };
 665
 666 /* receive_filters bit mask */
 667 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
 668 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
 669 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
 670 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
 671 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
 672
 673 /* interrupt status bit mask */
 674 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT    0x01
 675 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT   0x02
 676 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT    0x04
 677 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT   0x08
 678
 679 /* revision of the simple network protocol */
 680 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION    0x00010000
 681
 682 struct efi_simple_network
 683 {
 684         u64 revision;
 685         efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
 686         efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
 687         efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
 688                         ulong extra_rx, ulong extra_tx);
 689         efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
 690                         int extended_verification);
 691         efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
 692         efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
 693                         u32 enable, u32 disable, int reset_mcast_filter,
 694                         ulong mcast_filter_count,
 695                         struct efi_mac_address *mcast_filter);
 696         efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
 697                         int reset, struct efi_mac_address *new_mac);
 698         efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
 699                         int reset, ulong *stat_size, void *stat_table);
 700         efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
 701                         int ipv6, struct efi_ip_address *ip,
 702                         struct efi_mac_address *mac);
 703         efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
 704                         int read_write, ulong offset, ulong buffer_size,
 705                         char *buffer);
 706         efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
 707                         u32 *int_status, void **txbuf);
 708         efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
 709                         size_t header_size, size_t buffer_size, void *buffer,
 710                         struct efi_mac_address *src_addr,
 711                         struct efi_mac_address *dest_addr, u16 *protocol);
 712         efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
 713                         size_t *header_size, size_t *buffer_size, void *buffer,
 714                         struct efi_mac_address *src_addr,
 715                         struct efi_mac_address *dest_addr, u16 *protocol);
 716         struct efi_event *wait_for_packet;
 717         struct efi_simple_network_mode *mode;
 718 };
 719
 720 #define EFI_PXE_GUID \
 721         EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
 722                  0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
 723
 724 struct efi_pxe_packet {
 725         u8 packet[1472];
 726 };
 727
 728 struct efi_pxe_mode
 729 {
 730         u8 unused[52];
 731         struct efi_pxe_packet dhcp_discover;
 732         struct efi_pxe_packet dhcp_ack;
 733         struct efi_pxe_packet proxy_offer;
 734         struct efi_pxe_packet pxe_discover;
 735         struct efi_pxe_packet pxe_reply;
 736 };
 737
 738 struct efi_pxe {
 739         u64 rev;
 740         void (EFIAPI *start)(void);
 741         void (EFIAPI *stop)(void);
 742         void (EFIAPI *dhcp)(void);
 743         void (EFIAPI *discover)(void);
 744         void (EFIAPI *mftp)(void);
 745         void (EFIAPI *udpwrite)(void);
 746         void (EFIAPI *udpread)(void);
 747         void (EFIAPI *setipfilter)(void);
 748         void (EFIAPI *arp)(void);
 749         void (EFIAPI *setparams)(void);
 750         void (EFIAPI *setstationip)(void);
 751         void (EFIAPI *setpackets)(void);
 752         struct efi_pxe_mode *mode;
 753 };
 754
 755 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 756         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 757                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 758 #define EFI_FILE_PROTOCOL_REVISION 0x00010000
 759
 760 struct efi_file_handle {
 761         u64 rev;
 762         efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
 763                         struct efi_file_handle **new_handle,
 764                         s16 *file_name, u64 open_mode, u64 attributes);
 765         efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
 766         efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
 767         efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
 768                         u64 *buffer_size, void *buffer);
 769         efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
 770                         u64 *buffer_size, void *buffer);
 771         efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
 772                         u64 *pos);
 773         efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
 774                         u64 pos);
 775         efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
 776                         efi_guid_t *info_type, u64 *buffer_size, void *buffer);
 777         efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
 778                         efi_guid_t *info_type, u64 buffer_size, void *buffer);
 779         efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
 780 };
 781
 782 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
 783         EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
 784                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 785 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
 786
 787 struct efi_simple_file_system_protocol {
 788         u64 rev;
 789         efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
 790                         struct efi_file_handle **root);
 791 };
 792
 793 #define EFI_FILE_INFO_GUID \
 794         EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
 795                  0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
 796
 797 #define EFI_FILE_MODE_READ      0x0000000000000001
 798 #define EFI_FILE_MODE_WRITE     0x0000000000000002
 799 #define EFI_FILE_MODE_CREATE    0x8000000000000000
 800
 801 #define EFI_FILE_READ_ONLY      0x0000000000000001
 802 #define EFI_FILE_HIDDEN         0x0000000000000002
 803 #define EFI_FILE_SYSTEM         0x0000000000000004
 804 #define EFI_FILE_RESERVED       0x0000000000000008
 805 #define EFI_FILE_DIRECTORY      0x0000000000000010
 806 #define EFI_FILE_ARCHIVE        0x0000000000000020
 807 #define EFI_FILE_VALID_ATTR     0x0000000000000037
 808
 809 struct efi_file_info {
 810         u64 size;
 811         u64 file_size;
 812         u64 physical_size;
 813         struct efi_time create_time;
 814         struct efi_time last_access_time;
 815         struct efi_time modification_time;
 816         u64 attribute;
 817         s16 file_name[0];
 818 };
 819
 820 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
 821         EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
 822                  0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
 823 struct efi_driver_binding_protocol {
 824         efi_status_t (EFIAPI * supported)(
 825                         struct efi_driver_binding_protocol *this,
 826                         efi_handle_t controller_handle,
 827                         struct efi_device_path *remaining_device_path);
 828         efi_status_t (EFIAPI * start)(
 829                         struct efi_driver_binding_protocol *this,
 830                         efi_handle_t controller_handle,
 831                         struct efi_device_path *remaining_device_path);
 832         efi_status_t (EFIAPI * stop)(
 833                         struct efi_driver_binding_protocol *this,
 834                         efi_handle_t controller_handle,
 835                         efi_uintn_t number_of_children,
 836                         efi_handle_t *child_handle_buffer);
 837         u32 version;
 838         efi_handle_t image_handle;
 839         efi_handle_t driver_binding_handle;
 840 };
 841
 842 #endif