1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
|
/*
* Extensible Firmware Interface
* Based on 'Extensible Firmware Interface Specification' version 0.9,
* April 30, 1999
*
* Copyright (C) 1999 VA Linux Systems
* Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
* Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
* David Mosberger-Tang <davidm@hpl.hp.com>
* Stephane Eranian <eranian@hpl.hp.com>
*
* From include/linux/efi.h in kernel 4.1 with some additions/subtractions
*/
#ifndef _EFI_API_H
#define _EFI_API_H
#include <efi.h>
/* Types and defines for EFI CreateEvent */
enum efi_event_type {
EFI_TIMER_STOP = 0,
EFI_TIMER_PERIODIC = 1,
EFI_TIMER_RELATIVE = 2
};
/* EFI Boot Services table */
struct efi_boot_services {
struct efi_table_hdr hdr;
efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
void (EFIAPI *restore_tpl)(unsigned long old_tpl);
efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
efi_physical_addr_t *);
efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
struct efi_mem_desc *desc, unsigned long *key,
unsigned long *desc_size, u32 *desc_version);
efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
efi_status_t (EFIAPI *free_pool)(void *);
efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
unsigned long notify_tpl,
void (EFIAPI *notify_function) (void *event,
void *context),
void *notify_context, void **event);
efi_status_t (EFIAPI *set_timer)(void *event, int type,
uint64_t trigger_time);
efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
void *event, unsigned long *index);
efi_status_t (EFIAPI *signal_event)(void *event);
efi_status_t (EFIAPI *close_event)(void *event);
efi_status_t (EFIAPI *check_event)(void *event);
efi_status_t (EFIAPI *install_protocol_interface)(
void **handle, efi_guid_t *protocol,
int protocol_interface_type, void *protocol_interface);
efi_status_t (EFIAPI *reinstall_protocol_interface)(
void *handle, efi_guid_t *protocol,
void *old_interface, void *new_interface);
efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
efi_guid_t *protocol, void *protocol_interface);
efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
void **);
void *reserved;
efi_status_t (EFIAPI *register_protocol_notify)(
efi_guid_t *protocol, void *event,
void **registration);
efi_status_t (EFIAPI *locate_handle)(
enum efi_locate_search_type search_type,
efi_guid_t *protocol, void *search_key,
unsigned long *buffer_size, efi_handle_t *buffer);
efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
struct efi_device_path **device_path,
efi_handle_t *device);
efi_status_t (EFIAPI *install_configuration_table)(
efi_guid_t *guid, void *table);
efi_status_t (EFIAPI *load_image)(bool boot_policiy,
efi_handle_t parent_image,
struct efi_device_path *file_path, void *source_buffer,
unsigned long source_size, efi_handle_t *image);
efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
unsigned long *exitdata_size,
s16 **exitdata);
efi_status_t (EFIAPI *exit)(efi_handle_t handle,
efi_status_t exit_status,
unsigned long exitdata_size, s16 *exitdata);
efi_status_t (EFIAPI *unload_image)(void *image_handle);
efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
efi_status_t (EFIAPI *stall)(unsigned long usecs);
efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
uint64_t watchdog_code, unsigned long data_size,
uint16_t *watchdog_data);
efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
efi_handle_t *driver_image_handle,
struct efi_device_path *remaining_device_path,
bool recursive);
efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
void *driver_image_handle, void *child_handle);
#define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL 0x00000001
#define EFI_OPEN_PROTOCOL_GET_PROTOCOL 0x00000002
#define EFI_OPEN_PROTOCOL_TEST_PROTOCOL 0x00000004
#define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
#define EFI_OPEN_PROTOCOL_BY_DRIVER 0x00000010
#define EFI_OPEN_PROTOCOL_EXCLUSIVE 0x00000020
efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
efi_guid_t *protocol, void **interface,
efi_handle_t agent_handle,
efi_handle_t controller_handle, u32 attributes);
efi_status_t (EFIAPI *close_protocol)(void *handle,
efi_guid_t *protocol, void *agent_handle,
void *controller_handle);
efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
efi_guid_t *protocol,
struct efi_open_protocol_info_entry **entry_buffer,
unsigned long *entry_count);
efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
efi_guid_t ***protocol_buffer,
unsigned long *protocols_buffer_count);
efi_status_t (EFIAPI *locate_handle_buffer) (
enum efi_locate_search_type search_type,
efi_guid_t *protocol, void *search_key,
unsigned long *no_handles, efi_handle_t **buffer);
efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
void *registration, void **protocol_interface);
efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
void **handle, ...);
efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
void *handle, ...);
efi_status_t (EFIAPI *calculate_crc32)(void *data,
unsigned long data_size, uint32_t *crc32);
void (EFIAPI *copy_mem)(void *destination, void *source,
unsigned long length);
void (EFIAPI *set_mem)(void *buffer, unsigned long size,
uint8_t value);
void *create_event_ex;
};
/* Types and defines for EFI ResetSystem */
enum efi_reset_type {
EFI_RESET_COLD = 0,
EFI_RESET_WARM = 1,
EFI_RESET_SHUTDOWN = 2
};
/* EFI Runtime Services table */
#define EFI_RUNTIME_SERVICES_SIGNATURE 0x5652453544e5552ULL
#define EFI_RUNTIME_SERVICES_REVISION 0x00010000
struct efi_runtime_services {
struct efi_table_hdr hdr;
efi_status_t (EFIAPI *get_time)(struct efi_time *time,
struct efi_time_cap *capabilities);
efi_status_t (EFIAPI *set_time)(struct efi_time *time);
efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
struct efi_time *time);
efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
struct efi_time *time);
efi_status_t (EFIAPI *set_virtual_address_map)(
unsigned long memory_map_size,
unsigned long descriptor_size,
uint32_t descriptor_version,
struct efi_mem_desc *virtmap);
efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
efi_guid_t *vendor, u32 *attributes,
unsigned long *data_size, void *data);
efi_status_t (EFIAPI *get_next_variable)(
unsigned long *variable_name_size,
s16 *variable_name, efi_guid_t *vendor);
efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
efi_guid_t *vendor, u32 attributes,
unsigned long data_size, void *data);
efi_status_t (EFIAPI *get_next_high_mono_count)(
uint32_t *high_count);
void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
efi_status_t reset_status,
unsigned long data_size, void *reset_data);
void *update_capsule;
void *query_capsule_caps;
void *query_variable_info;
};
/* EFI Configuration Table and GUID definitions */
#define NULL_GUID \
EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
#define LOADED_IMAGE_PROTOCOL_GUID \
EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
#define EFI_FDT_GUID \
EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
struct efi_configuration_table
{
efi_guid_t guid;
void *table;
};
#define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
struct efi_system_table {
struct efi_table_hdr hdr;
unsigned long fw_vendor; /* physical addr of wchar_t vendor string */
u32 fw_revision;
unsigned long con_in_handle;
struct efi_simple_input_interface *con_in;
unsigned long con_out_handle;
struct efi_simple_text_output_protocol *con_out;
unsigned long stderr_handle;
struct efi_simple_text_output_protocol *std_err;
struct efi_runtime_services *runtime;
struct efi_boot_services *boottime;
unsigned long nr_tables;
struct efi_configuration_table *tables;
};
#define LOADED_IMAGE_GUID \
EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
struct efi_loaded_image {
u32 revision;
void *parent_handle;
struct efi_system_table *system_table;
void *device_handle;
void *file_path;
void *reserved;
u32 load_options_size;
void *load_options;
void *image_base;
aligned_u64 image_size;
unsigned int image_code_type;
unsigned int image_data_type;
unsigned long unload;
};
#define DEVICE_PATH_GUID \
EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
#define DEVICE_PATH_TYPE_END 0x7f
# define DEVICE_PATH_SUB_TYPE_END 0xff
struct efi_device_path {
u8 type;
u8 sub_type;
u16 length;
};
#define DEVICE_PATH_TYPE_MEDIA_DEVICE 0x04
# define DEVICE_PATH_SUB_TYPE_FILE_PATH 0x04
struct efi_device_path_file_path {
struct efi_device_path dp;
u16 str[32];
};
#define BLOCK_IO_GUID \
EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
struct efi_block_io_media
{
u32 media_id;
char removable_media;
char media_present;
char logical_partition;
char read_only;
char write_caching;
u8 pad[3];
u32 block_size;
u32 io_align;
u8 pad2[4];
u64 last_block;
};
struct efi_block_io {
u64 revision;
struct efi_block_io_media *media;
efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
char extended_verification);
efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
u32 media_id, u64 lba, unsigned long buffer_size,
void *buffer);
efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
u32 media_id, u64 lba, unsigned long buffer_size,
void *buffer);
efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
};
struct simple_text_output_mode {
s32 max_mode;
s32 mode;
s32 attribute;
s32 cursor_column;
s32 cursor_row;
bool cursor_visible;
};
struct efi_simple_text_output_protocol {
void *reset;
efi_status_t (EFIAPI *output_string)(
struct efi_simple_text_output_protocol *this,
const unsigned short *str);
efi_status_t (EFIAPI *test_string)(
struct efi_simple_text_output_protocol *this,
const unsigned short *str);
efi_status_t(EFIAPI *query_mode)(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number, unsigned long *columns,
unsigned long *rows);
efi_status_t(EFIAPI *set_mode)(
struct efi_simple_text_output_protocol *this,
unsigned long mode_number);
efi_status_t(EFIAPI *set_attribute)(
struct efi_simple_text_output_protocol *this,
unsigned long attribute);
efi_status_t(EFIAPI *clear_screen) (
struct efi_simple_text_output_protocol *this);
efi_status_t(EFIAPI *set_cursor_position) (
struct efi_simple_text_output_protocol *this,
unsigned long column, unsigned long row);
efi_status_t(EFIAPI *enable_cursor)(
struct efi_simple_text_output_protocol *this,
bool enable);
struct simple_text_output_mode *mode;
};
struct efi_input_key {
u16 scan_code;
s16 unicode_char;
};
struct efi_simple_input_interface {
efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
bool ExtendedVerification);
efi_status_t(EFIAPI *read_key_stroke)(
struct efi_simple_input_interface *this,
struct efi_input_key *key);
void *wait_for_key;
};
#define CONSOLE_CONTROL_GUID \
EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
#define EFI_CONSOLE_MODE_TEXT 0
#define EFI_CONSOLE_MODE_GFX 1
struct efi_console_control_protocol
{
efi_status_t (EFIAPI *get_mode)(
struct efi_console_control_protocol *this, int *mode,
char *uga_exists, char *std_in_locked);
efi_status_t (EFIAPI *set_mode)(
struct efi_console_control_protocol *this, int mode);
efi_status_t (EFIAPI *lock_std_in)(
struct efi_console_control_protocol *this,
uint16_t *password);
};
#define EFI_GOP_GUID \
EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
#define EFI_GOT_RGBA8 0
#define EFI_GOT_BGRA8 1
#define EFI_GOT_BITMASK 2
struct efi_gop_mode_info
{
u32 version;
u32 width;
u32 height;
u32 pixel_format;
u32 pixel_bitmask[4];
u32 pixels_per_scanline;
};
struct efi_gop_mode
{
u32 max_mode;
u32 mode;
struct efi_gop_mode_info *info;
unsigned long info_size;
efi_physical_addr_t fb_base;
unsigned long fb_size;
};
#define EFI_BLT_VIDEO_FILL 0
#define EFI_BLT_VIDEO_TO_BLT_BUFFER 1
#define EFI_BLT_BUFFER_TO_VIDEO 2
#define EFI_BLT_VIDEO_TO_VIDEO 3
struct efi_gop
{
efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
unsigned long *size_of_info,
struct efi_gop_mode_info **info);
efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
unsigned long operation, unsigned long sx,
unsigned long sy, unsigned long dx,
unsigned long dy, unsigned long width,
unsigned long height, unsigned long delta);
struct efi_gop_mode *mode;
};
#endif
|
