xref: /openbmc/u-boot/include/efi_api.h (revision a95aee6a)
1 /*
2  * Extensible Firmware Interface
3  * Based on 'Extensible Firmware Interface Specification' version 0.9,
4  * April 30, 1999
5  *
6  * Copyright (C) 1999 VA Linux Systems
7  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
8  * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
9  *	David Mosberger-Tang <davidm@hpl.hp.com>
10  *	Stephane Eranian <eranian@hpl.hp.com>
11  *
12  * From include/linux/efi.h in kernel 4.1 with some additions/subtractions
13  */
14 
15 #ifndef _EFI_API_H
16 #define _EFI_API_H
17 
18 #include <efi.h>
19 
20 #ifdef CONFIG_EFI_LOADER
21 #include <asm/setjmp.h>
22 #endif
23 
24 /* Types and defines for EFI CreateEvent */
25 enum efi_timer_delay {
26 	EFI_TIMER_STOP = 0,
27 	EFI_TIMER_PERIODIC = 1,
28 	EFI_TIMER_RELATIVE = 2
29 };
30 
31 #define UINTN size_t
32 typedef long INTN;
33 typedef uint16_t *efi_string_t;
34 
35 #define EVT_TIMER				0x80000000
36 #define EVT_RUNTIME				0x40000000
37 #define EVT_NOTIFY_WAIT				0x00000100
38 #define EVT_NOTIFY_SIGNAL			0x00000200
39 #define EVT_SIGNAL_EXIT_BOOT_SERVICES		0x00000201
40 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE	0x60000202
41 
42 #define TPL_APPLICATION		0x04
43 #define TPL_CALLBACK		0x08
44 #define TPL_NOTIFY		0x10
45 #define TPL_HIGH_LEVEL		0x1F
46 
47 struct efi_event;
48 
49 /* EFI Boot Services table */
50 struct efi_boot_services {
51 	struct efi_table_hdr hdr;
52 	efi_status_t (EFIAPI *raise_tpl)(UINTN new_tpl);
53 	void (EFIAPI *restore_tpl)(UINTN old_tpl);
54 
55 	efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
56 					      efi_physical_addr_t *);
57 	efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
58 	efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
59 			struct efi_mem_desc *desc, unsigned long *key,
60 			unsigned long *desc_size, u32 *desc_version);
61 	efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
62 	efi_status_t (EFIAPI *free_pool)(void *);
63 
64 	efi_status_t (EFIAPI *create_event)(uint32_t type,
65 			UINTN notify_tpl,
66 			void (EFIAPI *notify_function) (
67 					struct efi_event *event,
68 					void *context),
69 			void *notify_context, struct efi_event **event);
70 	efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
71 					 enum efi_timer_delay type,
72 					 uint64_t trigger_time);
73 	efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
74 			struct efi_event **event, unsigned long *index);
75 	efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
76 	efi_status_t (EFIAPI *close_event)(struct efi_event *event);
77 	efi_status_t (EFIAPI *check_event)(struct efi_event *event);
78 #define EFI_NATIVE_INTERFACE	0x00000000
79 	efi_status_t (EFIAPI *install_protocol_interface)(
80 			void **handle, efi_guid_t *protocol,
81 			int protocol_interface_type, void *protocol_interface);
82 	efi_status_t (EFIAPI *reinstall_protocol_interface)(
83 			void *handle, efi_guid_t *protocol,
84 			void *old_interface, void *new_interface);
85 	efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
86 			efi_guid_t *protocol, void *protocol_interface);
87 	efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
88 					       void **);
89 	void *reserved;
90 	efi_status_t (EFIAPI *register_protocol_notify)(
91 			efi_guid_t *protocol, struct efi_event *event,
92 			void **registration);
93 	efi_status_t (EFIAPI *locate_handle)(
94 			enum efi_locate_search_type search_type,
95 			efi_guid_t *protocol, void *search_key,
96 			unsigned long *buffer_size, efi_handle_t *buffer);
97 	efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
98 			struct efi_device_path **device_path,
99 			efi_handle_t *device);
100 	efi_status_t (EFIAPI *install_configuration_table)(
101 			efi_guid_t *guid, void *table);
102 
103 	efi_status_t (EFIAPI *load_image)(bool boot_policiy,
104 			efi_handle_t parent_image,
105 			struct efi_device_path *file_path, void *source_buffer,
106 			unsigned long source_size, efi_handle_t *image);
107 	efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
108 					   unsigned long *exitdata_size,
109 					   s16 **exitdata);
110 	efi_status_t (EFIAPI *exit)(efi_handle_t handle,
111 				    efi_status_t exit_status,
112 				    unsigned long exitdata_size, s16 *exitdata);
113 	efi_status_t (EFIAPI *unload_image)(void *image_handle);
114 	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
115 
116 	efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
117 	efi_status_t (EFIAPI *stall)(unsigned long usecs);
118 	efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
119 			uint64_t watchdog_code, unsigned long data_size,
120 			uint16_t *watchdog_data);
121 	efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
122 			efi_handle_t *driver_image_handle,
123 			struct efi_device_path *remaining_device_path,
124 			bool recursive);
125 	efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
126 			void *driver_image_handle, void *child_handle);
127 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
128 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
129 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
130 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
131 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
132 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
133 	efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
134 			efi_guid_t *protocol, void **interface,
135 			efi_handle_t agent_handle,
136 			efi_handle_t controller_handle, u32 attributes);
137 	efi_status_t (EFIAPI *close_protocol)(void *handle,
138 			efi_guid_t *protocol, void *agent_handle,
139 			void *controller_handle);
140 	efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
141 			efi_guid_t *protocol,
142 			struct efi_open_protocol_info_entry **entry_buffer,
143 			unsigned long *entry_count);
144 	efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
145 			efi_guid_t ***protocol_buffer,
146 			unsigned long *protocols_buffer_count);
147 	efi_status_t (EFIAPI *locate_handle_buffer) (
148 			enum efi_locate_search_type search_type,
149 			efi_guid_t *protocol, void *search_key,
150 			unsigned long *no_handles, efi_handle_t **buffer);
151 	efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
152 			void *registration, void **protocol_interface);
153 	efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
154 			void **handle, ...);
155 	efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
156 			void *handle, ...);
157 	efi_status_t (EFIAPI *calculate_crc32)(void *data,
158 			unsigned long data_size, uint32_t *crc32);
159 	void (EFIAPI *copy_mem)(void *destination, void *source,
160 			unsigned long length);
161 	void (EFIAPI *set_mem)(void *buffer, unsigned long size,
162 			uint8_t value);
163 	void *create_event_ex;
164 };
165 
166 /* Types and defines for EFI ResetSystem */
167 enum efi_reset_type {
168 	EFI_RESET_COLD = 0,
169 	EFI_RESET_WARM = 1,
170 	EFI_RESET_SHUTDOWN = 2
171 };
172 
173 /* EFI Runtime Services table */
174 #define EFI_RUNTIME_SERVICES_SIGNATURE	0x5652453544e5552ULL
175 #define EFI_RUNTIME_SERVICES_REVISION	0x00010000
176 
177 struct efi_runtime_services {
178 	struct efi_table_hdr hdr;
179 	efi_status_t (EFIAPI *get_time)(struct efi_time *time,
180 			struct efi_time_cap *capabilities);
181 	efi_status_t (EFIAPI *set_time)(struct efi_time *time);
182 	efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
183 			struct efi_time *time);
184 	efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
185 			struct efi_time *time);
186 	efi_status_t (EFIAPI *set_virtual_address_map)(
187 			unsigned long memory_map_size,
188 			unsigned long descriptor_size,
189 			uint32_t descriptor_version,
190 			struct efi_mem_desc *virtmap);
191 	efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
192 	efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
193 			efi_guid_t *vendor, u32 *attributes,
194 			unsigned long *data_size, void *data);
195 	efi_status_t (EFIAPI *get_next_variable)(
196 			unsigned long *variable_name_size,
197 			s16 *variable_name, efi_guid_t *vendor);
198 	efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
199 			efi_guid_t *vendor, u32 attributes,
200 			unsigned long data_size, void *data);
201 	efi_status_t (EFIAPI *get_next_high_mono_count)(
202 			uint32_t *high_count);
203 	void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
204 				    efi_status_t reset_status,
205 				    unsigned long data_size, void *reset_data);
206 	void *update_capsule;
207 	void *query_capsule_caps;
208 	void *query_variable_info;
209 };
210 
211 /* EFI Configuration Table and GUID definitions */
212 #define NULL_GUID \
213 	EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
214 		 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
215 
216 #define EFI_GLOBAL_VARIABLE_GUID \
217 	EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
218 		 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
219 
220 #define LOADED_IMAGE_PROTOCOL_GUID \
221 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
222 		 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
223 
224 #define EFI_FDT_GUID \
225 	EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
226 		 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
227 
228 #define SMBIOS_TABLE_GUID \
229 	EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
230 		 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
231 
232 struct efi_configuration_table
233 {
234 	efi_guid_t guid;
235 	void *table;
236 };
237 
238 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
239 
240 struct efi_system_table {
241 	struct efi_table_hdr hdr;
242 	unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
243 	u32 fw_revision;
244 	unsigned long con_in_handle;
245 	struct efi_simple_input_interface *con_in;
246 	unsigned long con_out_handle;
247 	struct efi_simple_text_output_protocol *con_out;
248 	unsigned long stderr_handle;
249 	struct efi_simple_text_output_protocol *std_err;
250 	struct efi_runtime_services *runtime;
251 	struct efi_boot_services *boottime;
252 	unsigned long nr_tables;
253 	struct efi_configuration_table *tables;
254 };
255 
256 #define LOADED_IMAGE_GUID \
257 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
258 		 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
259 
260 struct efi_loaded_image {
261 	u32 revision;
262 	void *parent_handle;
263 	struct efi_system_table *system_table;
264 	void *device_handle;
265 	void *file_path;
266 	void *reserved;
267 	u32 load_options_size;
268 	void *load_options;
269 	void *image_base;
270 	aligned_u64 image_size;
271 	unsigned int image_code_type;
272 	unsigned int image_data_type;
273 	unsigned long unload;
274 
275 	/* Below are efi loader private fields */
276 #ifdef CONFIG_EFI_LOADER
277 	efi_status_t exit_status;
278 	struct jmp_buf_data exit_jmp;
279 #endif
280 };
281 
282 #define DEVICE_PATH_GUID \
283 	EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
284 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
285 
286 #define DEVICE_PATH_TYPE_END			0x7f
287 #  define DEVICE_PATH_SUB_TYPE_END		0xff
288 
289 struct efi_device_path {
290 	u8 type;
291 	u8 sub_type;
292 	u16 length;
293 } __packed;
294 
295 struct efi_mac_addr {
296 	u8 addr[32];
297 } __packed;
298 
299 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE	0x01
300 #  define DEVICE_PATH_SUB_TYPE_VENDOR		0x04
301 
302 struct efi_device_path_vendor {
303 	struct efi_device_path dp;
304 	efi_guid_t guid;
305 	u8 vendor_data[];
306 } __packed;
307 
308 #define DEVICE_PATH_TYPE_ACPI_DEVICE		0x02
309 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE	0x01
310 
311 #define EFI_PNP_ID(ID)				(u32)(((ID) << 16) | 0x41D0)
312 #define EISA_PNP_ID(ID)				EFI_PNP_ID(ID)
313 #define EISA_PNP_NUM(ID)			((ID) >> 16)
314 
315 struct efi_device_path_acpi_path {
316 	struct efi_device_path dp;
317 	u32 hid;
318 	u32 uid;
319 } __packed;
320 
321 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE	0x03
322 #  define DEVICE_PATH_SUB_TYPE_MSG_USB		0x05
323 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR	0x0b
324 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS	0x0f
325 #  define DEVICE_PATH_SUB_TYPE_MSG_SD		0x1a
326 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC		0x1d
327 
328 struct efi_device_path_usb {
329 	struct efi_device_path dp;
330 	u8 parent_port_number;
331 	u8 usb_interface;
332 } __packed;
333 
334 struct efi_device_path_mac_addr {
335 	struct efi_device_path dp;
336 	struct efi_mac_addr mac;
337 	u8 if_type;
338 } __packed;
339 
340 struct efi_device_path_usb_class {
341 	struct efi_device_path dp;
342 	u16 vendor_id;
343 	u16 product_id;
344 	u8 device_class;
345 	u8 device_subclass;
346 	u8 device_protocol;
347 } __packed;
348 
349 struct efi_device_path_sd_mmc_path {
350 	struct efi_device_path dp;
351 	u8 slot_number;
352 } __packed;
353 
354 #define DEVICE_PATH_TYPE_MEDIA_DEVICE		0x04
355 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH	0x01
356 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH	0x02
357 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH	0x04
358 
359 struct efi_device_path_hard_drive_path {
360 	struct efi_device_path dp;
361 	u32 partition_number;
362 	u64 partition_start;
363 	u64 partition_end;
364 	u8 partition_signature[16];
365 	u8 partmap_type;
366 	u8 signature_type;
367 } __packed;
368 
369 struct efi_device_path_cdrom_path {
370 	struct efi_device_path dp;
371 	u32 boot_entry;
372 	u64 partition_start;
373 	u64 partition_end;
374 } __packed;
375 
376 struct efi_device_path_file_path {
377 	struct efi_device_path dp;
378 	u16 str[];
379 } __packed;
380 
381 #define BLOCK_IO_GUID \
382 	EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
383 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
384 
385 struct efi_block_io_media
386 {
387 	u32 media_id;
388 	char removable_media;
389 	char media_present;
390 	char logical_partition;
391 	char read_only;
392 	char write_caching;
393 	u8 pad[3];
394 	u32 block_size;
395 	u32 io_align;
396 	u8 pad2[4];
397 	u64 last_block;
398 };
399 
400 struct efi_block_io {
401 	u64 revision;
402 	struct efi_block_io_media *media;
403 	efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
404 			char extended_verification);
405 	efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
406 			u32 media_id, u64 lba, unsigned long buffer_size,
407 			void *buffer);
408 	efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
409 			u32 media_id, u64 lba, unsigned long buffer_size,
410 			void *buffer);
411 	efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
412 };
413 
414 struct simple_text_output_mode {
415 	s32 max_mode;
416 	s32 mode;
417 	s32 attribute;
418 	s32 cursor_column;
419 	s32 cursor_row;
420 	bool cursor_visible;
421 };
422 
423 
424 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
425 	EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
426 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
427 
428 struct efi_simple_text_output_protocol {
429 	void *reset;
430 	efi_status_t (EFIAPI *output_string)(
431 			struct efi_simple_text_output_protocol *this,
432 			const efi_string_t str);
433 	efi_status_t (EFIAPI *test_string)(
434 			struct efi_simple_text_output_protocol *this,
435 			const efi_string_t str);
436 	efi_status_t(EFIAPI *query_mode)(
437 			struct efi_simple_text_output_protocol *this,
438 			unsigned long mode_number, unsigned long *columns,
439 			unsigned long *rows);
440 	efi_status_t(EFIAPI *set_mode)(
441 			struct efi_simple_text_output_protocol *this,
442 			unsigned long mode_number);
443 	efi_status_t(EFIAPI *set_attribute)(
444 			struct efi_simple_text_output_protocol *this,
445 			unsigned long attribute);
446 	efi_status_t(EFIAPI *clear_screen) (
447 			struct efi_simple_text_output_protocol *this);
448 	efi_status_t(EFIAPI *set_cursor_position) (
449 			struct efi_simple_text_output_protocol *this,
450 			unsigned long column, unsigned long row);
451 	efi_status_t(EFIAPI *enable_cursor)(
452 			struct efi_simple_text_output_protocol *this,
453 			bool enable);
454 	struct simple_text_output_mode *mode;
455 };
456 
457 struct efi_input_key {
458 	u16 scan_code;
459 	s16 unicode_char;
460 };
461 
462 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
463 	EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
464 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
465 
466 struct efi_simple_input_interface {
467 	efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
468 			bool ExtendedVerification);
469 	efi_status_t(EFIAPI *read_key_stroke)(
470 			struct efi_simple_input_interface *this,
471 			struct efi_input_key *key);
472 	struct efi_event *wait_for_key;
473 };
474 
475 #define CONSOLE_CONTROL_GUID \
476 	EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
477 		 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
478 #define EFI_CONSOLE_MODE_TEXT	0
479 #define EFI_CONSOLE_MODE_GFX	1
480 
481 struct efi_console_control_protocol
482 {
483 	efi_status_t (EFIAPI *get_mode)(
484 			struct efi_console_control_protocol *this, int *mode,
485 			char *uga_exists, char *std_in_locked);
486 	efi_status_t (EFIAPI *set_mode)(
487 			struct efi_console_control_protocol *this, int mode);
488 	efi_status_t (EFIAPI *lock_std_in)(
489 			struct efi_console_control_protocol *this,
490 			uint16_t *password);
491 };
492 
493 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
494 	EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
495 		 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
496 
497 struct efi_device_path_to_text_protocol
498 {
499 	uint16_t *(EFIAPI *convert_device_node_to_text)(
500 			struct efi_device_path *device_node,
501 			bool display_only,
502 			bool allow_shortcuts);
503 	uint16_t *(EFIAPI *convert_device_path_to_text)(
504 			struct efi_device_path *device_path,
505 			bool display_only,
506 			bool allow_shortcuts);
507 };
508 
509 #define EFI_GOP_GUID \
510 	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
511 		 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
512 
513 #define EFI_GOT_RGBA8		0
514 #define EFI_GOT_BGRA8		1
515 #define EFI_GOT_BITMASK		2
516 
517 struct efi_gop_mode_info
518 {
519 	u32 version;
520 	u32 width;
521 	u32 height;
522 	u32 pixel_format;
523 	u32 pixel_bitmask[4];
524 	u32 pixels_per_scanline;
525 };
526 
527 struct efi_gop_mode
528 {
529 	u32 max_mode;
530 	u32 mode;
531 	struct efi_gop_mode_info *info;
532 	unsigned long info_size;
533 	efi_physical_addr_t fb_base;
534 	unsigned long fb_size;
535 };
536 
537 #define EFI_BLT_VIDEO_FILL		0
538 #define EFI_BLT_VIDEO_TO_BLT_BUFFER	1
539 #define EFI_BLT_BUFFER_TO_VIDEO		2
540 #define EFI_BLT_VIDEO_TO_VIDEO		3
541 
542 struct efi_gop
543 {
544 	efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
545 					  unsigned long *size_of_info,
546 					  struct efi_gop_mode_info **info);
547 	efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
548 	efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
549 				   unsigned long operation, unsigned long sx,
550 				   unsigned long sy, unsigned long dx,
551 				   unsigned long dy, unsigned long width,
552 				   unsigned long height, unsigned long delta);
553 	struct efi_gop_mode *mode;
554 };
555 
556 #define EFI_SIMPLE_NETWORK_GUID \
557 	EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
558 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
559 
560 struct efi_mac_address {
561 	char mac_addr[32];
562 };
563 
564 struct efi_ip_address {
565 	u8 ip_addr[16];
566 };
567 
568 enum efi_simple_network_state {
569 	EFI_NETWORK_STOPPED,
570 	EFI_NETWORK_STARTED,
571 	EFI_NETWORK_INITIALIZED,
572 };
573 
574 struct efi_simple_network_mode {
575 	enum efi_simple_network_state state;
576 	u32 hwaddr_size;
577 	u32 media_header_size;
578 	u32 max_packet_size;
579 	u32 nvram_size;
580 	u32 nvram_access_size;
581 	u32 receive_filter_mask;
582 	u32 receive_filter_setting;
583 	u32 max_mcast_filter_count;
584 	u32 mcast_filter_count;
585 	struct efi_mac_address mcast_filter[16];
586 	struct efi_mac_address current_address;
587 	struct efi_mac_address broadcast_address;
588 	struct efi_mac_address permanent_address;
589 	u8 if_type;
590 	u8 mac_changeable;
591 	u8 multitx_supported;
592 	u8 media_present_supported;
593 	u8 media_present;
594 };
595 
596 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
597 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
598 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
599 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
600 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
601 
602 struct efi_simple_network
603 {
604 	u64 revision;
605 	efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
606 	efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
607 	efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
608 			ulong extra_rx, ulong extra_tx);
609 	efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
610 			int extended_verification);
611 	efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
612 	efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
613 			u32 enable, u32 disable, int reset_mcast_filter,
614 			ulong mcast_filter_count,
615 			struct efi_mac_address *mcast_filter);
616 	efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
617 			int reset, struct efi_mac_address *new_mac);
618 	efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
619 			int reset, ulong *stat_size, void *stat_table);
620 	efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
621 			int ipv6, struct efi_ip_address *ip,
622 			struct efi_mac_address *mac);
623 	efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
624 			int read_write, ulong offset, ulong buffer_size,
625 			char *buffer);
626 	efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
627 			u32 *int_status, void **txbuf);
628 	efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
629 			ulong header_size, ulong buffer_size, void *buffer,
630 			struct efi_mac_address *src_addr,
631 			struct efi_mac_address *dest_addr, u16 *protocol);
632 	efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
633 			ulong *header_size, ulong *buffer_size, void *buffer,
634 			struct efi_mac_address *src_addr,
635 			struct efi_mac_address *dest_addr, u16 *protocol);
636 	void (EFIAPI *waitforpacket)(void);
637 	struct efi_simple_network_mode *mode;
638 };
639 
640 #define EFI_PXE_GUID \
641 	EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
642 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
643 
644 struct efi_pxe_packet {
645 	u8 packet[1472];
646 };
647 
648 struct efi_pxe_mode
649 {
650 	u8 unused[52];
651 	struct efi_pxe_packet dhcp_discover;
652 	struct efi_pxe_packet dhcp_ack;
653 	struct efi_pxe_packet proxy_offer;
654 	struct efi_pxe_packet pxe_discover;
655 	struct efi_pxe_packet pxe_reply;
656 };
657 
658 struct efi_pxe {
659 	u64 rev;
660 	void (EFIAPI *start)(void);
661 	void (EFIAPI *stop)(void);
662 	void (EFIAPI *dhcp)(void);
663 	void (EFIAPI *discover)(void);
664 	void (EFIAPI *mftp)(void);
665 	void (EFIAPI *udpwrite)(void);
666 	void (EFIAPI *udpread)(void);
667 	void (EFIAPI *setipfilter)(void);
668 	void (EFIAPI *arp)(void);
669 	void (EFIAPI *setparams)(void);
670 	void (EFIAPI *setstationip)(void);
671 	void (EFIAPI *setpackets)(void);
672 	struct efi_pxe_mode *mode;
673 };
674 
675 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
676 	EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
677 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
678 #define EFI_FILE_PROTOCOL_REVISION 0x00010000
679 
680 struct efi_file_handle {
681 	u64 rev;
682 	efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
683 			struct efi_file_handle **new_handle,
684 			s16 *file_name, u64 open_mode, u64 attributes);
685 	efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
686 	efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
687 	efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
688 			u64 *buffer_size, void *buffer);
689 	efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
690 			u64 *buffer_size, void *buffer);
691 	efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
692 			u64 *pos);
693 	efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
694 			u64 pos);
695 	efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
696 			efi_guid_t *info_type, u64 *buffer_size, void *buffer);
697 	efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
698 			efi_guid_t *info_type, u64 buffer_size, void *buffer);
699 	efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
700 };
701 
702 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
703 	EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
704 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
705 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
706 
707 struct efi_simple_file_system_protocol {
708 	u64 rev;
709 	efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
710 			struct efi_file_handle **root);
711 };
712 
713 #define EFI_FILE_INFO_GUID \
714 	EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
715 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
716 
717 #define EFI_FILE_MODE_READ	0x0000000000000001
718 #define EFI_FILE_MODE_WRITE	0x0000000000000002
719 #define EFI_FILE_MODE_CREATE	0x8000000000000000
720 
721 #define EFI_FILE_READ_ONLY	0x0000000000000001
722 #define EFI_FILE_HIDDEN		0x0000000000000002
723 #define EFI_FILE_SYSTEM		0x0000000000000004
724 #define EFI_FILE_RESERVED	0x0000000000000008
725 #define EFI_FILE_DIRECTORY	0x0000000000000010
726 #define EFI_FILE_ARCHIVE	0x0000000000000020
727 #define EFI_FILE_VALID_ATTR	0x0000000000000037
728 
729 struct efi_file_info {
730 	u64 size;
731 	u64 file_size;
732 	u64 physical_size;
733 	struct efi_time create_time;
734 	struct efi_time last_access_time;
735 	struct efi_time modification_time;
736 	u64 attribute;
737 	s16 file_name[0];
738 };
739 
740 #endif
741