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