xref: /rk3399_rockchip-uboot/include/efi_api.h (revision c68415922b340c6b26f94326a6899977a67d61c9)
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_TIMER				0x80000000
32 #define EVT_RUNTIME				0x40000000
33 #define EVT_NOTIFY_WAIT				0x00000100
34 #define EVT_NOTIFY_SIGNAL			0x00000200
35 #define EVT_SIGNAL_EXIT_BOOT_SERVICES		0x00000201
36 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE	0x60000202
37 
38 #define TPL_APPLICATION		0x04
39 #define TPL_CALLBACK		0x08
40 #define TPL_NOTIFY		0x10
41 #define TPL_HIGH_LEVEL		0x1F
42 
43 struct efi_event;
44 
45 /* EFI Boot Services table */
46 struct efi_boot_services {
47 	struct efi_table_hdr hdr;
48 	efi_status_t (EFIAPI *raise_tpl)(unsigned long new_tpl);
49 	void (EFIAPI *restore_tpl)(unsigned long old_tpl);
50 
51 	efi_status_t (EFIAPI *allocate_pages)(int, int, unsigned long,
52 					      efi_physical_addr_t *);
53 	efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, unsigned long);
54 	efi_status_t (EFIAPI *get_memory_map)(unsigned long *memory_map_size,
55 			struct efi_mem_desc *desc, unsigned long *key,
56 			unsigned long *desc_size, u32 *desc_version);
57 	efi_status_t (EFIAPI *allocate_pool)(int, unsigned long, void **);
58 	efi_status_t (EFIAPI *free_pool)(void *);
59 
60 	efi_status_t (EFIAPI *create_event)(enum efi_event_type type,
61 			unsigned long notify_tpl,
62 			void (EFIAPI *notify_function) (
63 					struct efi_event *event,
64 					void *context),
65 			void *notify_context, struct efi_event **event);
66 	efi_status_t (EFIAPI *set_timer)(struct efi_event *event, int type,
67 			uint64_t trigger_time);
68 	efi_status_t (EFIAPI *wait_for_event)(unsigned long number_of_events,
69 			struct efi_event **event, unsigned long *index);
70 	efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
71 	efi_status_t (EFIAPI *close_event)(struct efi_event *event);
72 	efi_status_t (EFIAPI *check_event)(struct efi_event *event);
73 #define EFI_NATIVE_INTERFACE	0x00000000
74 	efi_status_t (EFIAPI *install_protocol_interface)(
75 			void **handle, efi_guid_t *protocol,
76 			int protocol_interface_type, void *protocol_interface);
77 	efi_status_t (EFIAPI *reinstall_protocol_interface)(
78 			void *handle, efi_guid_t *protocol,
79 			void *old_interface, void *new_interface);
80 	efi_status_t (EFIAPI *uninstall_protocol_interface)(void *handle,
81 			efi_guid_t *protocol, void *protocol_interface);
82 	efi_status_t (EFIAPI *handle_protocol)(efi_handle_t, efi_guid_t *,
83 					       void **);
84 	void *reserved;
85 	efi_status_t (EFIAPI *register_protocol_notify)(
86 			efi_guid_t *protocol, struct efi_event *event,
87 			void **registration);
88 	efi_status_t (EFIAPI *locate_handle)(
89 			enum efi_locate_search_type search_type,
90 			efi_guid_t *protocol, void *search_key,
91 			unsigned long *buffer_size, efi_handle_t *buffer);
92 	efi_status_t (EFIAPI *locate_device_path)(efi_guid_t *protocol,
93 			struct efi_device_path **device_path,
94 			efi_handle_t *device);
95 	efi_status_t (EFIAPI *install_configuration_table)(
96 			efi_guid_t *guid, void *table);
97 
98 	efi_status_t (EFIAPI *load_image)(bool boot_policiy,
99 			efi_handle_t parent_image,
100 			struct efi_device_path *file_path, void *source_buffer,
101 			unsigned long source_size, efi_handle_t *image);
102 	efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
103 					   unsigned long *exitdata_size,
104 					   s16 **exitdata);
105 	efi_status_t (EFIAPI *exit)(efi_handle_t handle,
106 				    efi_status_t exit_status,
107 				    unsigned long exitdata_size, s16 *exitdata);
108 	efi_status_t (EFIAPI *unload_image)(void *image_handle);
109 	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
110 
111 	efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
112 	efi_status_t (EFIAPI *stall)(unsigned long usecs);
113 	efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
114 			uint64_t watchdog_code, unsigned long data_size,
115 			uint16_t *watchdog_data);
116 	efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
117 			efi_handle_t *driver_image_handle,
118 			struct efi_device_path *remaining_device_path,
119 			bool recursive);
120 	efi_status_t (EFIAPI *disconnect_controller)(void *controller_handle,
121 			void *driver_image_handle, void *child_handle);
122 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
123 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
124 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
125 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
126 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
127 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
128 	efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
129 			efi_guid_t *protocol, void **interface,
130 			efi_handle_t agent_handle,
131 			efi_handle_t controller_handle, u32 attributes);
132 	efi_status_t (EFIAPI *close_protocol)(void *handle,
133 			efi_guid_t *protocol, void *agent_handle,
134 			void *controller_handle);
135 	efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
136 			efi_guid_t *protocol,
137 			struct efi_open_protocol_info_entry **entry_buffer,
138 			unsigned long *entry_count);
139 	efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
140 			efi_guid_t ***protocol_buffer,
141 			unsigned long *protocols_buffer_count);
142 	efi_status_t (EFIAPI *locate_handle_buffer) (
143 			enum efi_locate_search_type search_type,
144 			efi_guid_t *protocol, void *search_key,
145 			unsigned long *no_handles, efi_handle_t **buffer);
146 	efi_status_t (EFIAPI *locate_protocol)(efi_guid_t *protocol,
147 			void *registration, void **protocol_interface);
148 	efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
149 			void **handle, ...);
150 	efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
151 			void *handle, ...);
152 	efi_status_t (EFIAPI *calculate_crc32)(void *data,
153 			unsigned long data_size, uint32_t *crc32);
154 	void (EFIAPI *copy_mem)(void *destination, void *source,
155 			unsigned long length);
156 	void (EFIAPI *set_mem)(void *buffer, unsigned long size,
157 			uint8_t value);
158 	void *create_event_ex;
159 };
160 
161 /* Types and defines for EFI ResetSystem */
162 enum efi_reset_type {
163 	EFI_RESET_COLD = 0,
164 	EFI_RESET_WARM = 1,
165 	EFI_RESET_SHUTDOWN = 2
166 };
167 
168 /* EFI Runtime Services table */
169 #define EFI_RUNTIME_SERVICES_SIGNATURE	0x5652453544e5552ULL
170 #define EFI_RUNTIME_SERVICES_REVISION	0x00010000
171 
172 struct efi_runtime_services {
173 	struct efi_table_hdr hdr;
174 	efi_status_t (EFIAPI *get_time)(struct efi_time *time,
175 			struct efi_time_cap *capabilities);
176 	efi_status_t (EFIAPI *set_time)(struct efi_time *time);
177 	efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
178 			struct efi_time *time);
179 	efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
180 			struct efi_time *time);
181 	efi_status_t (EFIAPI *set_virtual_address_map)(
182 			unsigned long memory_map_size,
183 			unsigned long descriptor_size,
184 			uint32_t descriptor_version,
185 			struct efi_mem_desc *virtmap);
186 	efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
187 	efi_status_t (EFIAPI *get_variable)(s16 *variable_name,
188 			efi_guid_t *vendor, u32 *attributes,
189 			unsigned long *data_size, void *data);
190 	efi_status_t (EFIAPI *get_next_variable)(
191 			unsigned long *variable_name_size,
192 			s16 *variable_name, efi_guid_t *vendor);
193 	efi_status_t (EFIAPI *set_variable)(s16 *variable_name,
194 			efi_guid_t *vendor, u32 attributes,
195 			unsigned long data_size, void *data);
196 	efi_status_t (EFIAPI *get_next_high_mono_count)(
197 			uint32_t *high_count);
198 	void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
199 				    efi_status_t reset_status,
200 				    unsigned long data_size, void *reset_data);
201 	void *update_capsule;
202 	void *query_capsule_caps;
203 	void *query_variable_info;
204 };
205 
206 /* EFI Configuration Table and GUID definitions */
207 #define NULL_GUID \
208 	EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
209 		 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
210 
211 #define LOADED_IMAGE_PROTOCOL_GUID \
212 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
213 		 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
214 
215 #define EFI_FDT_GUID \
216 	EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
217 		 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
218 
219 #define SMBIOS_TABLE_GUID \
220 	EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
221 		 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
222 
223 struct efi_configuration_table
224 {
225 	efi_guid_t guid;
226 	void *table;
227 };
228 
229 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
230 
231 struct efi_system_table {
232 	struct efi_table_hdr hdr;
233 	unsigned long fw_vendor;   /* physical addr of wchar_t vendor string */
234 	u32 fw_revision;
235 	unsigned long con_in_handle;
236 	struct efi_simple_input_interface *con_in;
237 	unsigned long con_out_handle;
238 	struct efi_simple_text_output_protocol *con_out;
239 	unsigned long stderr_handle;
240 	struct efi_simple_text_output_protocol *std_err;
241 	struct efi_runtime_services *runtime;
242 	struct efi_boot_services *boottime;
243 	unsigned long nr_tables;
244 	struct efi_configuration_table *tables;
245 };
246 
247 #define LOADED_IMAGE_GUID \
248 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
249 		 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
250 
251 struct efi_loaded_image {
252 	u32 revision;
253 	void *parent_handle;
254 	struct efi_system_table *system_table;
255 	void *device_handle;
256 	void *file_path;
257 	void *reserved;
258 	u32 load_options_size;
259 	void *load_options;
260 	void *image_base;
261 	aligned_u64 image_size;
262 	unsigned int image_code_type;
263 	unsigned int image_data_type;
264 	unsigned long unload;
265 
266 	/* Below are efi loader private fields */
267 #ifdef CONFIG_EFI_LOADER
268 	efi_status_t exit_status;
269 	struct jmp_buf_data exit_jmp;
270 #endif
271 };
272 
273 #define DEVICE_PATH_GUID \
274 	EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
275 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b )
276 
277 #define DEVICE_PATH_TYPE_END			0x7f
278 #  define DEVICE_PATH_SUB_TYPE_END		0xff
279 
280 struct efi_device_path {
281 	u8 type;
282 	u8 sub_type;
283 	u16 length;
284 };
285 
286 struct efi_mac_addr {
287 	u8 addr[32];
288 };
289 
290 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE	0x03
291 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR	0x0b
292 
293 struct efi_device_path_mac_addr {
294 	struct efi_device_path dp;
295 	struct efi_mac_addr mac;
296 	u8 if_type;
297 };
298 
299 #define DEVICE_PATH_TYPE_MEDIA_DEVICE		0x04
300 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH	0x04
301 
302 struct efi_device_path_file_path {
303 	struct efi_device_path dp;
304 	u16 str[32];
305 };
306 
307 #define BLOCK_IO_GUID \
308 	EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
309 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
310 
311 struct efi_block_io_media
312 {
313 	u32 media_id;
314 	char removable_media;
315 	char media_present;
316 	char logical_partition;
317 	char read_only;
318 	char write_caching;
319 	u8 pad[3];
320 	u32 block_size;
321 	u32 io_align;
322 	u8 pad2[4];
323 	u64 last_block;
324 };
325 
326 struct efi_block_io {
327 	u64 revision;
328 	struct efi_block_io_media *media;
329 	efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
330 			char extended_verification);
331 	efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
332 			u32 media_id, u64 lba, unsigned long buffer_size,
333 			void *buffer);
334 	efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
335 			u32 media_id, u64 lba, unsigned long buffer_size,
336 			void *buffer);
337 	efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
338 };
339 
340 struct simple_text_output_mode {
341 	s32 max_mode;
342 	s32 mode;
343 	s32 attribute;
344 	s32 cursor_column;
345 	s32 cursor_row;
346 	bool cursor_visible;
347 };
348 
349 struct efi_simple_text_output_protocol {
350 	void *reset;
351 	efi_status_t (EFIAPI *output_string)(
352 			struct efi_simple_text_output_protocol *this,
353 			const unsigned short *str);
354 	efi_status_t (EFIAPI *test_string)(
355 			struct efi_simple_text_output_protocol *this,
356 			const unsigned short *str);
357 	efi_status_t(EFIAPI *query_mode)(
358 			struct efi_simple_text_output_protocol *this,
359 			unsigned long mode_number, unsigned long *columns,
360 			unsigned long *rows);
361 	efi_status_t(EFIAPI *set_mode)(
362 			struct efi_simple_text_output_protocol *this,
363 			unsigned long mode_number);
364 	efi_status_t(EFIAPI *set_attribute)(
365 			struct efi_simple_text_output_protocol *this,
366 			unsigned long attribute);
367 	efi_status_t(EFIAPI *clear_screen) (
368 			struct efi_simple_text_output_protocol *this);
369 	efi_status_t(EFIAPI *set_cursor_position) (
370 			struct efi_simple_text_output_protocol *this,
371 			unsigned long column, unsigned long row);
372 	efi_status_t(EFIAPI *enable_cursor)(
373 			struct efi_simple_text_output_protocol *this,
374 			bool enable);
375 	struct simple_text_output_mode *mode;
376 };
377 
378 struct efi_input_key {
379 	u16 scan_code;
380 	s16 unicode_char;
381 };
382 
383 struct efi_simple_input_interface {
384 	efi_status_t(EFIAPI *reset)(struct efi_simple_input_interface *this,
385 			bool ExtendedVerification);
386 	efi_status_t(EFIAPI *read_key_stroke)(
387 			struct efi_simple_input_interface *this,
388 			struct efi_input_key *key);
389 	struct efi_event *wait_for_key;
390 };
391 
392 #define CONSOLE_CONTROL_GUID \
393 	EFI_GUID(0xf42f7782, 0x12e, 0x4c12, \
394 		 0x99, 0x56, 0x49, 0xf9, 0x43, 0x4, 0xf7, 0x21)
395 #define EFI_CONSOLE_MODE_TEXT	0
396 #define EFI_CONSOLE_MODE_GFX	1
397 
398 struct efi_console_control_protocol
399 {
400 	efi_status_t (EFIAPI *get_mode)(
401 			struct efi_console_control_protocol *this, int *mode,
402 			char *uga_exists, char *std_in_locked);
403 	efi_status_t (EFIAPI *set_mode)(
404 			struct efi_console_control_protocol *this, int mode);
405 	efi_status_t (EFIAPI *lock_std_in)(
406 			struct efi_console_control_protocol *this,
407 			uint16_t *password);
408 };
409 
410 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
411 	EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
412 		 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
413 
414 struct efi_device_path_protocol
415 {
416 	uint8_t type;
417 	uint8_t sub_type;
418 	uint16_t length;
419 	uint8_t data[];
420 };
421 
422 struct efi_device_path_to_text_protocol
423 {
424 	uint16_t *(EFIAPI *convert_device_node_to_text)(
425 			struct efi_device_path_protocol *device_node,
426 			bool display_only,
427 			bool allow_shortcuts);
428 	uint16_t *(EFIAPI *convert_device_path_to_text)(
429 			struct efi_device_path_protocol *device_path,
430 			bool display_only,
431 			bool allow_shortcuts);
432 };
433 
434 #define EFI_GOP_GUID \
435 	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
436 		 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
437 
438 #define EFI_GOT_RGBA8		0
439 #define EFI_GOT_BGRA8		1
440 #define EFI_GOT_BITMASK		2
441 
442 struct efi_gop_mode_info
443 {
444 	u32 version;
445 	u32 width;
446 	u32 height;
447 	u32 pixel_format;
448 	u32 pixel_bitmask[4];
449 	u32 pixels_per_scanline;
450 };
451 
452 struct efi_gop_mode
453 {
454 	u32 max_mode;
455 	u32 mode;
456 	struct efi_gop_mode_info *info;
457 	unsigned long info_size;
458 	efi_physical_addr_t fb_base;
459 	unsigned long fb_size;
460 };
461 
462 #define EFI_BLT_VIDEO_FILL		0
463 #define EFI_BLT_VIDEO_TO_BLT_BUFFER	1
464 #define EFI_BLT_BUFFER_TO_VIDEO		2
465 #define EFI_BLT_VIDEO_TO_VIDEO		3
466 
467 struct efi_gop
468 {
469 	efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
470 					  unsigned long *size_of_info,
471 					  struct efi_gop_mode_info **info);
472 	efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
473 	efi_status_t (EFIAPI *blt)(struct efi_gop *this, void *buffer,
474 				   unsigned long operation, unsigned long sx,
475 				   unsigned long sy, unsigned long dx,
476 				   unsigned long dy, unsigned long width,
477 				   unsigned long height, unsigned long delta);
478 	struct efi_gop_mode *mode;
479 };
480 
481 #define EFI_SIMPLE_NETWORK_GUID \
482 	EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
483 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
484 
485 struct efi_mac_address {
486 	char mac_addr[32];
487 };
488 
489 struct efi_ip_address {
490 	u8 ip_addr[16];
491 };
492 
493 enum efi_simple_network_state {
494 	EFI_NETWORK_STOPPED,
495 	EFI_NETWORK_STARTED,
496 	EFI_NETWORK_INITIALIZED,
497 };
498 
499 struct efi_simple_network_mode {
500 	enum efi_simple_network_state state;
501 	u32 hwaddr_size;
502 	u32 media_header_size;
503 	u32 max_packet_size;
504 	u32 nvram_size;
505 	u32 nvram_access_size;
506 	u32 receive_filter_mask;
507 	u32 receive_filter_setting;
508 	u32 max_mcast_filter_count;
509 	u32 mcast_filter_count;
510 	struct efi_mac_address mcast_filter[16];
511 	struct efi_mac_address current_address;
512 	struct efi_mac_address broadcast_address;
513 	struct efi_mac_address permanent_address;
514 	u8 if_type;
515 	u8 mac_changeable;
516 	u8 multitx_supported;
517 	u8 media_present_supported;
518 	u8 media_present;
519 };
520 
521 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01,
522 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02,
523 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04,
524 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08,
525 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10,
526 
527 struct efi_simple_network
528 {
529 	u64 revision;
530 	efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
531 	efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
532 	efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
533 			ulong extra_rx, ulong extra_tx);
534 	efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
535 			int extended_verification);
536 	efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
537 	efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
538 			u32 enable, u32 disable, int reset_mcast_filter,
539 			ulong mcast_filter_count,
540 			struct efi_mac_address *mcast_filter);
541 	efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
542 			int reset, struct efi_mac_address *new_mac);
543 	efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
544 			int reset, ulong *stat_size, void *stat_table);
545 	efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
546 			int ipv6, struct efi_ip_address *ip,
547 			struct efi_mac_address *mac);
548 	efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
549 			int read_write, ulong offset, ulong buffer_size,
550 			char *buffer);
551 	efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
552 			u32 *int_status, void **txbuf);
553 	efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
554 			ulong header_size, ulong buffer_size, void *buffer,
555 			struct efi_mac_address *src_addr,
556 			struct efi_mac_address *dest_addr, u16 *protocol);
557 	efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
558 			ulong *header_size, ulong *buffer_size, void *buffer,
559 			struct efi_mac_address *src_addr,
560 			struct efi_mac_address *dest_addr, u16 *protocol);
561 	void (EFIAPI *waitforpacket)(void);
562 	struct efi_simple_network_mode *mode;
563 };
564 
565 #define EFI_PXE_GUID \
566 	EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
567 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
568 
569 struct efi_pxe_packet {
570 	u8 packet[1472];
571 };
572 
573 struct efi_pxe_mode
574 {
575 	u8 unused[52];
576 	struct efi_pxe_packet dhcp_discover;
577 	struct efi_pxe_packet dhcp_ack;
578 	struct efi_pxe_packet proxy_offer;
579 	struct efi_pxe_packet pxe_discover;
580 	struct efi_pxe_packet pxe_reply;
581 };
582 
583 struct efi_pxe {
584 	u64 rev;
585 	void (EFIAPI *start)(void);
586 	void (EFIAPI *stop)(void);
587 	void (EFIAPI *dhcp)(void);
588 	void (EFIAPI *discover)(void);
589 	void (EFIAPI *mftp)(void);
590 	void (EFIAPI *udpwrite)(void);
591 	void (EFIAPI *udpread)(void);
592 	void (EFIAPI *setipfilter)(void);
593 	void (EFIAPI *arp)(void);
594 	void (EFIAPI *setparams)(void);
595 	void (EFIAPI *setstationip)(void);
596 	void (EFIAPI *setpackets)(void);
597 	struct efi_pxe_mode *mode;
598 };
599 
600 #endif
601