xref: /openbmc/u-boot/include/efi_api.h (revision b32b1bd1)
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
794