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