xref: /openbmc/u-boot/include/efi_api.h (revision ee8d037c)
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_event_type {
26 	EFI_TIMER_STOP = 0,
27 	EFI_TIMER_PERIODIC = 1,
28 	EFI_TIMER_RELATIVE = 2
29 };
30 
31 #define EVT_NOTIFY_WAIT		0x00000100
32 #define EVT_NOTIFY_SIGNAL	0x00000200
33 
34 /* EFI Boot Services table */
35 struct efi_boot_services {
36 	struct efi_table_hdr hdr;
37 	efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
38 	void (EFIAPI *restore_tpl)(unsigned long old_tpl);
39 
40 	efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
41 					      efi_physical_addr_t *);
42 	efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
43 	efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
44 			struct efi_mem_desc *desc, unsigned long *key,
45 			unsigned long *desc_size, u32 *desc_version);
46 	efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
47 	efi_status_t (EFIAPI *free_pool)(void *);
48 
49 	efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
50 			unsigned long notify_tpl,
51 			void (EFIAPI *notify_function) (void *event,
52 							void *context),
53 			void *notify_context, void **event);
54 	efi_status_t (EFIAPI *set_timer)(void *event, int type,
55 			uint64_t trigger_time);
56 	efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
57 			void *event, unsigned long *index);
58 	efi_status_t (EFIAPI *signal_event)(void *event);
59 	efi_status_t (EFIAPI *close_event)(void *event);
60 	efi_status_t (EFIAPI *check_event)(void *event);
61 
62 	efi_status_t (EFIAPI *install_protocol_interface)(
63 			void **handle, efi_guid_t *protocol,
64 			int protocol_interface_type, void *protocol_interface);
65 	efi_status_t (EFIAPI *reinstall_protocol_interface)(
66 			void *handle, efi_guid_t *protocol,
67 			void *old_interface, void *new_interface);
68 	efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
69 			efi_guid_t *protocol, void *protocol_interface);
70 	efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
71 					       void **);
72 	void *reserved;
73 	efi_status_t (EFIAPI *register_protocol_notify)(
74 			efi_guid_t *protocol, void *event,
75 			void **registration);
76 	efi_status_t (EFIAPI *locate_handle)(
77 			enum efi_locate_search_type search_type,
78 			efi_guid_t *protocol, void *search_key,
79 			unsigned long *buffer_size, efi_handle_t *buffer);
80 	efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
81 			struct efi_device_path **device_path,
82 			efi_handle_t *device);
83 	efi_status_t (EFIAPI *install_configuration_table)(
84 			efi_guid_t *guid, void *table);
85 
86 	efi_status_t (EFIAPI *load_image)(bool boot_policiy,
87 			efi_handle_t parent_image,
88 			struct efi_device_path *file_path, void *source_buffer,
89 			unsigned long source_size, efi_handle_t *image);
90 	efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
91 					   unsigned long *exitdata_size,
92 					   s16 **exitdata);
93 	efi_status_t (EFIAPI *exit)(efi_handle_t handle,
94 				    efi_status_t exit_status,
95 				    unsigned long exitdata_size, s16 *exitdata);
96 	efi_status_t (EFIAPI *unload_image)(void *image_handle);
97 	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
98 
99 	efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
100 	efi_status_t (EFIAPI *stall)(unsigned long usecs);
101 	efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
102 			uint64_t watchdog_code, unsigned long data_size,
103 			uint16_t *watchdog_data);
104 	efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
105 			efi_handle_t *driver_image_handle,
106 			struct efi_device_path *remaining_device_path,
107 			bool recursive);
108 	efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
109 			void *driver_image_handle, void *child_handle);
110 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
111 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
112 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
113 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
114 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
115 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
116 	efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
117 			efi_guid_t *protocol, void **interface,
118 			efi_handle_t agent_handle,
119 			efi_handle_t controller_handle, u32 attributes);
120 	efi_status_t (EFIAPI *close_protocol)(void *handle,
121 			efi_guid_t *protocol, void *agent_handle,
122 			void *controller_handle);
123 	efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
124 			efi_guid_t *protocol,
125 			struct efi_open_protocol_info_entry **entry_buffer,
126 			unsigned long *entry_count);
127 	efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
128 			efi_guid_t ***protocol_buffer,
129 			unsigned long *protocols_buffer_count);
130 	efi_status_t (EFIAPI *locate_handle_buffer) (
131 			enum efi_locate_search_type search_type,
132 			efi_guid_t *protocol, void *search_key,
133 			unsigned long *no_handles, efi_handle_t **buffer);
134 	efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
135 			void *registration, void **protocol_interface);
136 	efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
137 			void **handle, ...);
138 	efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
139 			void *handle, ...);
140 	efi_status_t (EFIAPI *calculate_crc32)(void *data,
141 			unsigned long data_size, uint32_t *crc32);
142 	void (EFIAPI *copy_mem)(void *destination, void *source,
143 			unsigned long length);
144 	void (EFIAPI *set_mem)(void *buffer, unsigned long size,
145 			uint8_t value);
146 	void *create_event_ex;
147 };
148 
149 /* Types and defines for EFI ResetSystem */
150 enum efi_reset_type {
151 	EFI_RESET_COLD = 0,
152 	EFI_RESET_WARM = 1,
153 	EFI_RESET_SHUTDOWN = 2
154 };
155 
156 /* EFI Runtime Services table */
157 #define EFI_RUNTIME_SERVICES_SIGNATURE	0x5652453544e5552ULL
158 #define EFI_RUNTIME_SERVICES_REVISION	0x00010000
159 
160 struct efi_runtime_services {
161 	struct efi_table_hdr hdr;
162 	efi_status_t (EFIAPI *get_time)(struct efi_time *time,
163 			struct efi_time_cap *capabilities);
164 	efi_status_t (EFIAPI *set_time)(struct efi_time *time);
165 	efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
166 			struct efi_time *time);
167 	efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
168 			struct efi_time *time);
169 	efi_status_t (EFIAPI *set_virtual_address_map)(
170 			unsigned long memory_map_size,
171 			unsigned long descriptor_size,
172 			uint32_t descriptor_version,
173 			struct efi_mem_desc *virtmap);
174 	efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
175 	efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
176 			efi_guid_t *vendor, u32 *attributes,
177 			unsigned long *data_size, void *data);
178 	efi_status_t (EFIAPI *get_next_variable)(
179 			unsigned long *variable_name_size,
180 			s16 *variable_name, efi_guid_t *vendor);
181 	efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
182 			efi_guid_t *vendor, u32 attributes,
183 			unsigned long data_size, void *data);
184 	efi_status_t (EFIAPI *get_next_high_mono_count)(
185 			uint32_t *high_count);
186 	void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
187 				    efi_status_t reset_status,
188 				    unsigned long data_size, void *reset_data);
189 	void *update_capsule;
190 	void *query_capsule_caps;
191 	void *query_variable_info;
192 };
193 
194 /* EFI Configuration Table and GUID definitions */
195 #define NULL_GUID \
196 	EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
197 		 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
198 
199 #define LOADED_IMAGE_PROTOCOL_GUID \
200 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
201 		 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
202 
203 #define EFI_FDT_GUID \
204 	EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
205 		 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
206 
207 #define SMBIOS_TABLE_GUID \
208 	EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
209 		 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
210 
211 struct efi_configuration_table
212 {
213 	efi_guid_t guid;
214 	void *table;
215 };
216 
217 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
218 
219 struct efi_system_table {
220 	struct efi_table_hdr hdr;
221 	unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
222 	u32 fw_revision;
223 	unsigned long con_in_handle;
224 	struct efi_simple_input_interface *con_in;
225 	unsigned long con_out_handle;
226 	struct efi_simple_text_output_protocol *con_out;
227 	unsigned long stderr_handle;
228 	struct efi_simple_text_output_protocol *std_err;
229 	struct efi_runtime_services *runtime;
230 	struct efi_boot_services *boottime;
231 	unsigned long nr_tables;
232 	struct efi_configuration_table *tables;
233 };
234 
235 #define LOADED_IMAGE_GUID \
236 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
237 		 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
238 
239 struct efi_loaded_image {
240 	u32 revision;
241 	void *parent_handle;
242 	struct efi_system_table *system_table;
243 	void *device_handle;
244 	void *file_path;
245 	void *reserved;
246 	u32 load_options_size;
247 	void *load_options;
248 	void *image_base;
249 	aligned_u64 image_size;
250 	unsigned int image_code_type;
251 	unsigned int image_data_type;
252 	unsigned long unload;
253 
254 	/* Below are efi loader private fields */
255 #ifdef CONFIG_EFI_LOADER
256 	efi_status_t exit_status;
257 	struct jmp_buf_data exit_jmp;
258 #endif
259 };
260 
261 #define DEVICE_PATH_GUID \
262 	EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
263 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
264 
265 #define DEVICE_PATH_TYPE_END			0x7f
266 #  define DEVICE_PATH_SUB_TYPE_END		0xff
267 
268 struct efi_device_path {
269 	u8 type;
270 	u8 sub_type;
271 	u16 length;
272 };
273 
274 struct efi_mac_addr {
275 	u8 addr[32];
276 };
277 
278 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE	0x03
279 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR	0x0b
280 
281 struct efi_device_path_mac_addr {
282 	struct efi_device_path dp;
283 	struct efi_mac_addr mac;
284 	u8 if_type;
285 };
286 
287 #define DEVICE_PATH_TYPE_MEDIA_DEVICE		0x04
288 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH	0x04
289 
290 struct efi_device_path_file_path {
291 	struct efi_device_path dp;
292 	u16 str[32];
293 };
294 
295 #define BLOCK_IO_GUID \
296 	EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
297 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
298 
299 struct efi_block_io_media
300 {
301 	u32 media_id;
302 	char removable_media;
303 	char media_present;
304 	char logical_partition;
305 	char read_only;
306 	char write_caching;
307 	u8 pad[3];
308 	u32 block_size;
309 	u32 io_align;
310 	u8 pad2[4];
311 	u64 last_block;
312 };
313 
314 struct efi_block_io {
315 	u64 revision;
316 	struct efi_block_io_media *media;
317 	efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
318 			char extended_verification);
319 	efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
320 			u32 media_id, u64 lba, unsigned long buffer_size,
321 			void *buffer);
322 	efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
323 			u32 media_id, u64 lba, unsigned long buffer_size,
324 			void *buffer);
325 	efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
326 };
327 
328 struct simple_text_output_mode {
329 	s32 max_mode;
330 	s32 mode;
331 	s32 attribute;
332 	s32 cursor_column;
333 	s32 cursor_row;
334 	bool cursor_visible;
335 };
336 
337 struct efi_simple_text_output_protocol {
338 	void *reset;
339 	efi_status_t (EFIAPI *output_string)(
340 			struct efi_simple_text_output_protocol *this,
341 			const unsigned short *str);
342 	efi_status_t (EFIAPI *test_string)(
343 			struct efi_simple_text_output_protocol *this,
344 			const unsigned short *str);
345 	efi_status_t(EFIAPI *query_mode)(
346 			struct efi_simple_text_output_protocol *this,
347 			unsigned long mode_number, unsigned long *columns,
348 			unsigned long *rows);
349 	efi_status_t(EFIAPI *set_mode)(
350 			struct efi_simple_text_output_protocol *this,
351 			unsigned long mode_number);
352 	efi_status_t(EFIAPI *set_attribute)(
353 			struct efi_simple_text_output_protocol *this,
354 			unsigned long attribute);
355 	efi_status_t(EFIAPI *clear_screen) (
356 			struct efi_simple_text_output_protocol *this);
357 	efi_status_t(EFIAPI *set_cursor_position) (
358 			struct efi_simple_text_output_protocol *this,
359 			unsigned long column, unsigned long row);
360 	efi_status_t(EFIAPI *enable_cursor)(
361 			struct efi_simple_text_output_protocol *this,
362 			bool enable);
363 	struct simple_text_output_mode *mode;
364 };
365 
366 struct efi_input_key {
367 	u16 scan_code;
368 	s16 unicode_char;
369 };
370 
371 struct efi_simple_input_interface {
372 	efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
373 			bool ExtendedVerification);
374 	efi_status_t(EFIAPI *read_key_stroke)(
375 			struct efi_simple_input_interface *this,
376 			struct efi_input_key *key);
377 	void *wait_for_key;
378 };
379 
380 #define CONSOLE_CONTROL_GUID \
381 	EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
382 		 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
383 #define EFI_CONSOLE_MODE_TEXT	0
384 #define EFI_CONSOLE_MODE_GFX	1
385 
386 struct efi_console_control_protocol
387 {
388 	efi_status_t (EFIAPI *get_mode)(
389 			struct efi_console_control_protocol *this, int *mode,
390 			char *uga_exists, char *std_in_locked);
391 	efi_status_t (EFIAPI *set_mode)(
392 			struct efi_console_control_protocol *this, int mode);
393 	efi_status_t (EFIAPI *lock_std_in)(
394 			struct efi_console_control_protocol *this,
395 			uint16_t *password);
396 };
397 
398 #define EFI_GOP_GUID \
399 	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
400 		 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
401 
402 #define EFI_GOT_RGBA8		0
403 #define EFI_GOT_BGRA8		1
404 #define EFI_GOT_BITMASK		2
405 
406 struct efi_gop_mode_info
407 {
408 	u32 version;
409 	u32 width;
410 	u32 height;
411 	u32 pixel_format;
412 	u32 pixel_bitmask[4];
413 	u32 pixels_per_scanline;
414 };
415 
416 struct efi_gop_mode
417 {
418 	u32 max_mode;
419 	u32 mode;
420 	struct efi_gop_mode_info *info;
421 	unsigned long info_size;
422 	efi_physical_addr_t fb_base;
423 	unsigned long fb_size;
424 };
425 
426 #define EFI_BLT_VIDEO_FILL		0
427 #define EFI_BLT_VIDEO_TO_BLT_BUFFER	1
428 #define EFI_BLT_BUFFER_TO_VIDEO		2
429 #define EFI_BLT_VIDEO_TO_VIDEO		3
430 
431 struct efi_gop
432 {
433 	efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
434 					  unsigned long *size_of_info,
435 					  struct efi_gop_mode_info **info);
436 	efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
437 	efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
438 				   unsigned long operation, unsigned long sx,
439 				   unsigned long sy, unsigned long dx,
440 				   unsigned long dy, unsigned long width,
441 				   unsigned long height, unsigned long delta);
442 	struct efi_gop_mode *mode;
443 };
444 
445 #define EFI_SIMPLE_NETWORK_GUID \
446 	EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
447 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
448 
449 struct efi_mac_address {
450 	char mac_addr[32];
451 };
452 
453 struct efi_ip_address {
454 	u8 ip_addr[16];
455 };
456 
457 enum efi_simple_network_state {
458 	EFI_NETWORK_STOPPED,
459 	EFI_NETWORK_STARTED,
460 	EFI_NETWORK_INITIALIZED,
461 };
462 
463 struct efi_simple_network_mode {
464 	enum efi_simple_network_state state;
465 	u32 hwaddr_size;
466 	u32 media_header_size;
467 	u32 max_packet_size;
468 	u32 nvram_size;
469 	u32 nvram_access_size;
470 	u32 receive_filter_mask;
471 	u32 receive_filter_setting;
472 	u32 max_mcast_filter_count;
473 	u32 mcast_filter_count;
474 	struct efi_mac_address mcast_filter[16];
475 	struct efi_mac_address current_address;
476 	struct efi_mac_address broadcast_address;
477 	struct efi_mac_address permanent_address;
478 	u8 if_type;
479 	u8 mac_changeable;
480 	u8 multitx_supported;
481 	u8 media_present_supported;
482 	u8 media_present;
483 };
484 
485 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
486 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
487 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
488 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
489 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
490 
491 struct efi_simple_network
492 {
493 	u64 revision;
494 	efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
495 	efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
496 	efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
497 			ulong extra_rx, ulong extra_tx);
498 	efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
499 			int extended_verification);
500 	efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
501 	efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
502 			u32 enable, u32 disable, int reset_mcast_filter,
503 			ulong mcast_filter_count,
504 			struct efi_mac_address *mcast_filter);
505 	efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
506 			int reset, struct efi_mac_address *new_mac);
507 	efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
508 			int reset, ulong *stat_size, void *stat_table);
509 	efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
510 			int ipv6, struct efi_ip_address *ip,
511 			struct efi_mac_address *mac);
512 	efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
513 			int read_write, ulong offset, ulong buffer_size,
514 			char *buffer);
515 	efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
516 			u32 *int_status, void **txbuf);
517 	efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
518 			ulong header_size, ulong buffer_size, void *buffer,
519 			struct efi_mac_address *src_addr,
520 			struct efi_mac_address *dest_addr, u16 *protocol);
521 	efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
522 			ulong *header_size, ulong *buffer_size, void *buffer,
523 			struct efi_mac_address *src_addr,
524 			struct efi_mac_address *dest_addr, u16 *protocol);
525 	void (EFIAPI *waitforpacket)(void);
526 	struct efi_simple_network_mode *mode;
527 };
528 
529 #define EFI_PXE_GUID \
530 	EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
531 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
532 
533 struct efi_pxe_packet {
534 	u8 packet[1472];
535 };
536 
537 struct efi_pxe_mode
538 {
539 	u8 unused[52];
540 	struct efi_pxe_packet dhcp_discover;
541 	struct efi_pxe_packet dhcp_ack;
542 	struct efi_pxe_packet proxy_offer;
543 	struct efi_pxe_packet pxe_discover;
544 	struct efi_pxe_packet pxe_reply;
545 };
546 
547 struct efi_pxe {
548 	u64 rev;
549 	void (EFIAPI *start)(void);
550 	void (EFIAPI *stop)(void);
551 	void (EFIAPI *dhcp)(void);
552 	void (EFIAPI *discover)(void);
553 	void (EFIAPI *mftp)(void);
554 	void (EFIAPI *udpwrite)(void);
555 	void (EFIAPI *udpread)(void);
556 	void (EFIAPI *setipfilter)(void);
557 	void (EFIAPI *arp)(void);
558 	void (EFIAPI *setparams)(void);
559 	void (EFIAPI *setstationip)(void);
560 	void (EFIAPI *setpackets)(void);
561 	struct efi_pxe_mode *mode;
562 };
563 
564 #endif
565