xref: /openbmc/u-boot/include/efi_api.h (revision 66c433ed)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Extensible Firmware Interface
4  * Based on 'Extensible Firmware Interface Specification' version 0.9,
5  * April 30, 1999
6  *
7  * Copyright (C) 1999 VA Linux Systems
8  * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
9  * Copyright (C) 1999, 2002-2003 Hewlett-Packard Co.
10  *	David Mosberger-Tang <davidm@hpl.hp.com>
11  *	Stephane Eranian <eranian@hpl.hp.com>
12  *
13  * From include/linux/efi.h in kernel 4.1 with some additions/subtractions
14  */
15 
16 #ifndef _EFI_API_H
17 #define _EFI_API_H
18 
19 #include <efi.h>
20 #include <charset.h>
21 
22 #ifdef CONFIG_EFI_LOADER
23 #include <asm/setjmp.h>
24 #endif
25 
26 /* UEFI spec version 2.7 */
27 #define EFI_SPECIFICATION_VERSION (2 << 16 | 70)
28 
29 /* Types and defines for EFI CreateEvent */
30 enum efi_timer_delay {
31 	EFI_TIMER_STOP = 0,
32 	EFI_TIMER_PERIODIC = 1,
33 	EFI_TIMER_RELATIVE = 2
34 };
35 
36 #define efi_intn_t ssize_t
37 #define efi_uintn_t size_t
38 typedef void *efi_hii_handle_t;
39 typedef u16 *efi_string_t;
40 typedef u16 efi_string_id_t;
41 typedef u32 efi_hii_font_style_t;
42 typedef u16 efi_question_id_t;
43 typedef u16 efi_image_id_t;
44 typedef u16 efi_form_id_t;
45 
46 #define EVT_TIMER				0x80000000
47 #define EVT_RUNTIME				0x40000000
48 #define EVT_NOTIFY_WAIT				0x00000100
49 #define EVT_NOTIFY_SIGNAL			0x00000200
50 #define EVT_SIGNAL_EXIT_BOOT_SERVICES		0x00000201
51 #define EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE	0x60000202
52 
53 #define TPL_APPLICATION		0x04
54 #define TPL_CALLBACK		0x08
55 #define TPL_NOTIFY		0x10
56 #define TPL_HIGH_LEVEL		0x1F
57 
58 struct efi_event;
59 
60 /* EFI Boot Services table */
61 #define EFI_BOOT_SERVICES_SIGNATURE 0x56524553544f4f42
62 struct efi_boot_services {
63 	struct efi_table_hdr hdr;
64 	efi_status_t (EFIAPI *raise_tpl)(efi_uintn_t new_tpl);
65 	void (EFIAPI *restore_tpl)(efi_uintn_t old_tpl);
66 
67 	efi_status_t (EFIAPI *allocate_pages)(int, int, efi_uintn_t,
68 					      efi_physical_addr_t *);
69 	efi_status_t (EFIAPI *free_pages)(efi_physical_addr_t, efi_uintn_t);
70 	efi_status_t (EFIAPI *get_memory_map)(efi_uintn_t *memory_map_size,
71 					      struct efi_mem_desc *desc,
72 					      efi_uintn_t *key,
73 					      efi_uintn_t *desc_size,
74 					      u32 *desc_version);
75 	efi_status_t (EFIAPI *allocate_pool)(int, efi_uintn_t, void **);
76 	efi_status_t (EFIAPI *free_pool)(void *);
77 
78 	efi_status_t (EFIAPI *create_event)(uint32_t type,
79 			efi_uintn_t notify_tpl,
80 			void (EFIAPI *notify_function) (
81 					struct efi_event *event,
82 					void *context),
83 			void *notify_context, struct efi_event **event);
84 	efi_status_t (EFIAPI *set_timer)(struct efi_event *event,
85 					 enum efi_timer_delay type,
86 					 uint64_t trigger_time);
87 	efi_status_t (EFIAPI *wait_for_event)(efi_uintn_t number_of_events,
88 					      struct efi_event **event,
89 					      efi_uintn_t *index);
90 	efi_status_t (EFIAPI *signal_event)(struct efi_event *event);
91 	efi_status_t (EFIAPI *close_event)(struct efi_event *event);
92 	efi_status_t (EFIAPI *check_event)(struct efi_event *event);
93 #define EFI_NATIVE_INTERFACE	0x00000000
94 	efi_status_t (EFIAPI *install_protocol_interface)(
95 			efi_handle_t *handle, const efi_guid_t *protocol,
96 			int protocol_interface_type, void *protocol_interface);
97 	efi_status_t (EFIAPI *reinstall_protocol_interface)(
98 			efi_handle_t handle, const efi_guid_t *protocol,
99 			void *old_interface, void *new_interface);
100 	efi_status_t (EFIAPI *uninstall_protocol_interface)(
101 			efi_handle_t handle, const efi_guid_t *protocol,
102 			void *protocol_interface);
103 	efi_status_t (EFIAPI *handle_protocol)(
104 			efi_handle_t handle, const efi_guid_t *protocol,
105 			void **protocol_interface);
106 	void *reserved;
107 	efi_status_t (EFIAPI *register_protocol_notify)(
108 			const efi_guid_t *protocol, struct efi_event *event,
109 			void **registration);
110 	efi_status_t (EFIAPI *locate_handle)(
111 			enum efi_locate_search_type search_type,
112 			const efi_guid_t *protocol, void *search_key,
113 			efi_uintn_t *buffer_size, efi_handle_t *buffer);
114 	efi_status_t (EFIAPI *locate_device_path)(const efi_guid_t *protocol,
115 			struct efi_device_path **device_path,
116 			efi_handle_t *device);
117 	efi_status_t (EFIAPI *install_configuration_table)(
118 			efi_guid_t *guid, void *table);
119 
120 	efi_status_t (EFIAPI *load_image)(bool boot_policiy,
121 			efi_handle_t parent_image,
122 			struct efi_device_path *file_path, void *source_buffer,
123 			efi_uintn_t source_size, efi_handle_t *image);
124 	efi_status_t (EFIAPI *start_image)(efi_handle_t handle,
125 					   efi_uintn_t *exitdata_size,
126 					   u16 **exitdata);
127 	efi_status_t (EFIAPI *exit)(efi_handle_t handle,
128 				    efi_status_t exit_status,
129 				    efi_uintn_t exitdata_size, u16 *exitdata);
130 	efi_status_t (EFIAPI *unload_image)(efi_handle_t image_handle);
131 	efi_status_t (EFIAPI *exit_boot_services)(efi_handle_t, unsigned long);
132 
133 	efi_status_t (EFIAPI *get_next_monotonic_count)(u64 *count);
134 	efi_status_t (EFIAPI *stall)(unsigned long usecs);
135 	efi_status_t (EFIAPI *set_watchdog_timer)(unsigned long timeout,
136 			uint64_t watchdog_code, unsigned long data_size,
137 			uint16_t *watchdog_data);
138 	efi_status_t(EFIAPI *connect_controller)(efi_handle_t controller_handle,
139 			efi_handle_t *driver_image_handle,
140 			struct efi_device_path *remaining_device_path,
141 			bool recursive);
142 	efi_status_t (EFIAPI *disconnect_controller)(
143 			efi_handle_t controller_handle,
144 			efi_handle_t driver_image_handle,
145 			efi_handle_t child_handle);
146 #define EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL  0x00000001
147 #define EFI_OPEN_PROTOCOL_GET_PROTOCOL        0x00000002
148 #define EFI_OPEN_PROTOCOL_TEST_PROTOCOL       0x00000004
149 #define EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER 0x00000008
150 #define EFI_OPEN_PROTOCOL_BY_DRIVER           0x00000010
151 #define EFI_OPEN_PROTOCOL_EXCLUSIVE           0x00000020
152 	efi_status_t (EFIAPI *open_protocol)(efi_handle_t handle,
153 			const efi_guid_t *protocol, void **interface,
154 			efi_handle_t agent_handle,
155 			efi_handle_t controller_handle, u32 attributes);
156 	efi_status_t (EFIAPI *close_protocol)(
157 			efi_handle_t handle, const efi_guid_t *protocol,
158 			efi_handle_t agent_handle,
159 			efi_handle_t controller_handle);
160 	efi_status_t(EFIAPI *open_protocol_information)(efi_handle_t handle,
161 			const efi_guid_t *protocol,
162 			struct efi_open_protocol_info_entry **entry_buffer,
163 			efi_uintn_t *entry_count);
164 	efi_status_t (EFIAPI *protocols_per_handle)(efi_handle_t handle,
165 			efi_guid_t ***protocol_buffer,
166 			efi_uintn_t *protocols_buffer_count);
167 	efi_status_t (EFIAPI *locate_handle_buffer) (
168 			enum efi_locate_search_type search_type,
169 			const efi_guid_t *protocol, void *search_key,
170 			efi_uintn_t *no_handles, efi_handle_t **buffer);
171 	efi_status_t (EFIAPI *locate_protocol)(const efi_guid_t *protocol,
172 			void *registration, void **protocol_interface);
173 	efi_status_t (EFIAPI *install_multiple_protocol_interfaces)(
174 			efi_handle_t *handle, ...);
175 	efi_status_t (EFIAPI *uninstall_multiple_protocol_interfaces)(
176 			efi_handle_t handle, ...);
177 	efi_status_t (EFIAPI *calculate_crc32)(const void *data,
178 					       efi_uintn_t data_size,
179 					       u32 *crc32);
180 	void (EFIAPI *copy_mem)(void *destination, const void *source,
181 			size_t length);
182 	void (EFIAPI *set_mem)(void *buffer, size_t size, uint8_t value);
183 	efi_status_t (EFIAPI *create_event_ex)(
184 				uint32_t type, efi_uintn_t notify_tpl,
185 				void (EFIAPI *notify_function) (
186 					struct efi_event *event,
187 					void *context),
188 				void *notify_context,
189 				efi_guid_t *event_group,
190 				struct efi_event **event);
191 };
192 
193 /* Types and defines for EFI ResetSystem */
194 enum efi_reset_type {
195 	EFI_RESET_COLD = 0,
196 	EFI_RESET_WARM = 1,
197 	EFI_RESET_SHUTDOWN = 2,
198 	EFI_RESET_PLATFORM_SPECIFIC = 3,
199 };
200 
201 /* EFI Runtime Services table */
202 #define EFI_RUNTIME_SERVICES_SIGNATURE	0x56524553544e5552ULL
203 
204 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET	0x00010000
205 #define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE	0x00020000
206 #define CAPSULE_FLAGS_INITIATE_RESET		0x00040000
207 
208 struct efi_capsule_header {
209 	efi_guid_t *capsule_guid;
210 	u32 header_size;
211 	u32 flags;
212 	u32 capsule_image_size;
213 };
214 
215 struct efi_runtime_services {
216 	struct efi_table_hdr hdr;
217 	efi_status_t (EFIAPI *get_time)(struct efi_time *time,
218 			struct efi_time_cap *capabilities);
219 	efi_status_t (EFIAPI *set_time)(struct efi_time *time);
220 	efi_status_t (EFIAPI *get_wakeup_time)(char *enabled, char *pending,
221 			struct efi_time *time);
222 	efi_status_t (EFIAPI *set_wakeup_time)(char enabled,
223 			struct efi_time *time);
224 	efi_status_t (EFIAPI *set_virtual_address_map)(
225 			unsigned long memory_map_size,
226 			unsigned long descriptor_size,
227 			uint32_t descriptor_version,
228 			struct efi_mem_desc *virtmap);
229 	efi_status_t (*convert_pointer)(unsigned long dbg, void **address);
230 	efi_status_t (EFIAPI *get_variable)(u16 *variable_name,
231 					    const efi_guid_t *vendor,
232 					    u32 *attributes,
233 					    efi_uintn_t *data_size, void *data);
234 	efi_status_t (EFIAPI *get_next_variable_name)(
235 			efi_uintn_t *variable_name_size,
236 			u16 *variable_name, const efi_guid_t *vendor);
237 	efi_status_t (EFIAPI *set_variable)(u16 *variable_name,
238 					    const efi_guid_t *vendor,
239 					    u32 attributes,
240 					    efi_uintn_t data_size,
241 					    const void *data);
242 	efi_status_t (EFIAPI *get_next_high_mono_count)(
243 			uint32_t *high_count);
244 	void (EFIAPI *reset_system)(enum efi_reset_type reset_type,
245 				    efi_status_t reset_status,
246 				    unsigned long data_size, void *reset_data);
247 	efi_status_t (EFIAPI *update_capsule)(
248 			struct efi_capsule_header **capsule_header_array,
249 			efi_uintn_t capsule_count,
250 			u64 scatter_gather_list);
251 	efi_status_t (EFIAPI *query_capsule_caps)(
252 			struct efi_capsule_header **capsule_header_array,
253 			efi_uintn_t capsule_count,
254 			u64 *maximum_capsule_size,
255 			u32 *reset_type);
256 	efi_status_t (EFIAPI *query_variable_info)(
257 			u32 attributes,
258 			u64 *maximum_variable_storage_size,
259 			u64 *remaining_variable_storage_size,
260 			u64 *maximum_variable_size);
261 };
262 
263 /* EFI event group GUID definitions */
264 #define EFI_EVENT_GROUP_EXIT_BOOT_SERVICES \
265 	EFI_GUID(0x27abf055, 0xb1b8, 0x4c26, 0x80, 0x48, \
266 		 0x74, 0x8f, 0x37, 0xba, 0xa2, 0xdf)
267 
268 #define EFI_EVENT_GROUP_VIRTUAL_ADDRESS_CHANGE \
269 	EFI_GUID(0x13fa7698, 0xc831, 0x49c7, 0x87, 0xea, \
270 		 0x8f, 0x43, 0xfc, 0xc2, 0x51, 0x96)
271 
272 #define EFI_EVENT_GROUP_MEMORY_MAP_CHANGE \
273 	EFI_GUID(0x78bee926, 0x692f, 0x48fd, 0x9e, 0xdb, \
274 		 0x01, 0x42, 0x2e, 0xf0, 0xd7, 0xab)
275 
276 #define EFI_EVENT_GROUP_READY_TO_BOOT \
277 	EFI_GUID(0x7ce88fb3, 0x4bd7, 0x4679, 0x87, 0xa8, \
278 		 0xa8, 0xd8, 0xde, 0xe5, 0x0d, 0x2b)
279 
280 #define EFI_EVENT_GROUP_RESET_SYSTEM \
281 	EFI_GUID(0x62da6a56, 0x13fb, 0x485a, 0xa8, 0xda, \
282 		 0xa3, 0xdd, 0x79, 0x12, 0xcb, 0x6b)
283 
284 /* EFI Configuration Table and GUID definitions */
285 #define NULL_GUID \
286 	EFI_GUID(0x00000000, 0x0000, 0x0000, 0x00, 0x00, \
287 		 0x00, 0x00, 0x00, 0x00, 0x00, 0x00)
288 
289 #define EFI_GLOBAL_VARIABLE_GUID \
290 	EFI_GUID(0x8be4df61, 0x93ca, 0x11d2, 0xaa, 0x0d, \
291 		 0x00, 0xe0, 0x98, 0x03, 0x2b, 0x8c)
292 
293 #define LOADED_IMAGE_PROTOCOL_GUID \
294 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, 0x8e, 0x3f, \
295 		 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
296 
297 #define EFI_FDT_GUID \
298 	EFI_GUID(0xb1b621d5, 0xf19c, 0x41a5, \
299 		 0x83, 0x0b, 0xd9, 0x15, 0x2c, 0x69, 0xaa, 0xe0)
300 
301 #define EFI_ACPI_TABLE_GUID \
302 	EFI_GUID(0x8868e871, 0xe4f1, 0x11d3, \
303 		 0xbc, 0x22, 0x00, 0x80, 0xc7, 0x3c, 0x88, 0x81)
304 
305 #define SMBIOS_TABLE_GUID \
306 	EFI_GUID(0xeb9d2d31, 0x2d88, 0x11d3,  \
307 		 0x9a, 0x16, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
308 
309 struct efi_configuration_table {
310 	efi_guid_t guid;
311 	void *table;
312 } __packed;
313 
314 #define EFI_SYSTEM_TABLE_SIGNATURE ((u64)0x5453595320494249ULL)
315 
316 struct efi_system_table {
317 	struct efi_table_hdr hdr;
318 	u16 *fw_vendor;   /* physical addr of wchar_t vendor string */
319 	u32 fw_revision;
320 	efi_handle_t con_in_handle;
321 	struct efi_simple_text_input_protocol *con_in;
322 	efi_handle_t con_out_handle;
323 	struct efi_simple_text_output_protocol *con_out;
324 	efi_handle_t stderr_handle;
325 	struct efi_simple_text_output_protocol *std_err;
326 	struct efi_runtime_services *runtime;
327 	struct efi_boot_services *boottime;
328 	efi_uintn_t nr_tables;
329 	struct efi_configuration_table *tables;
330 };
331 
332 #define LOADED_IMAGE_GUID \
333 	EFI_GUID(0x5b1b31a1, 0x9562, 0x11d2, \
334 		 0x8e, 0x3f, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
335 
336 #define EFI_LOADED_IMAGE_PROTOCOL_REVISION 0x1000
337 
338 struct efi_loaded_image {
339 	u32 revision;
340 	void *parent_handle;
341 	struct efi_system_table *system_table;
342 	efi_handle_t device_handle;
343 	struct efi_device_path *file_path;
344 	void *reserved;
345 	u32 load_options_size;
346 	void *load_options;
347 	void *image_base;
348 	aligned_u64 image_size;
349 	unsigned int image_code_type;
350 	unsigned int image_data_type;
351 	unsigned long unload;
352 };
353 
354 #define DEVICE_PATH_GUID \
355 	EFI_GUID(0x09576e91, 0x6d3f, 0x11d2, \
356 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
357 
358 #define DEVICE_PATH_TYPE_END			0x7f
359 #  define DEVICE_PATH_SUB_TYPE_INSTANCE_END	0x01
360 #  define DEVICE_PATH_SUB_TYPE_END		0xff
361 
362 struct efi_device_path {
363 	u8 type;
364 	u8 sub_type;
365 	u16 length;
366 } __packed;
367 
368 struct efi_mac_addr {
369 	u8 addr[32];
370 } __packed;
371 
372 #define DEVICE_PATH_TYPE_HARDWARE_DEVICE	0x01
373 #  define DEVICE_PATH_SUB_TYPE_MEMORY		0x03
374 #  define DEVICE_PATH_SUB_TYPE_VENDOR		0x04
375 
376 struct efi_device_path_memory {
377 	struct efi_device_path dp;
378 	u32 memory_type;
379 	u64 start_address;
380 	u64 end_address;
381 } __packed;
382 
383 struct efi_device_path_vendor {
384 	struct efi_device_path dp;
385 	efi_guid_t guid;
386 	u8 vendor_data[];
387 } __packed;
388 
389 #define DEVICE_PATH_TYPE_ACPI_DEVICE		0x02
390 #  define DEVICE_PATH_SUB_TYPE_ACPI_DEVICE	0x01
391 
392 #define EFI_PNP_ID(ID)				(u32)(((ID) << 16) | 0x41D0)
393 #define EISA_PNP_ID(ID)				EFI_PNP_ID(ID)
394 #define EISA_PNP_NUM(ID)			((ID) >> 16)
395 
396 struct efi_device_path_acpi_path {
397 	struct efi_device_path dp;
398 	u32 hid;
399 	u32 uid;
400 } __packed;
401 
402 #define DEVICE_PATH_TYPE_MESSAGING_DEVICE	0x03
403 #  define DEVICE_PATH_SUB_TYPE_MSG_ATAPI	0x01
404 #  define DEVICE_PATH_SUB_TYPE_MSG_SCSI		0x02
405 #  define DEVICE_PATH_SUB_TYPE_MSG_USB		0x05
406 #  define DEVICE_PATH_SUB_TYPE_MSG_MAC_ADDR	0x0b
407 #  define DEVICE_PATH_SUB_TYPE_MSG_USB_CLASS	0x0f
408 #  define DEVICE_PATH_SUB_TYPE_MSG_SD		0x1a
409 #  define DEVICE_PATH_SUB_TYPE_MSG_MMC		0x1d
410 
411 struct efi_device_path_atapi {
412 	struct efi_device_path dp;
413 	u8 primary_secondary;
414 	u8 slave_master;
415 	u16 logical_unit_number;
416 } __packed;
417 
418 struct efi_device_path_scsi {
419 	struct efi_device_path dp;
420 	u16 target_id;
421 	u16 logical_unit_number;
422 } __packed;
423 
424 struct efi_device_path_usb {
425 	struct efi_device_path dp;
426 	u8 parent_port_number;
427 	u8 usb_interface;
428 } __packed;
429 
430 struct efi_device_path_mac_addr {
431 	struct efi_device_path dp;
432 	struct efi_mac_addr mac;
433 	u8 if_type;
434 } __packed;
435 
436 struct efi_device_path_usb_class {
437 	struct efi_device_path dp;
438 	u16 vendor_id;
439 	u16 product_id;
440 	u8 device_class;
441 	u8 device_subclass;
442 	u8 device_protocol;
443 } __packed;
444 
445 struct efi_device_path_sd_mmc_path {
446 	struct efi_device_path dp;
447 	u8 slot_number;
448 } __packed;
449 
450 #define DEVICE_PATH_TYPE_MEDIA_DEVICE		0x04
451 #  define DEVICE_PATH_SUB_TYPE_HARD_DRIVE_PATH	0x01
452 #  define DEVICE_PATH_SUB_TYPE_CDROM_PATH	0x02
453 #  define DEVICE_PATH_SUB_TYPE_FILE_PATH	0x04
454 
455 struct efi_device_path_hard_drive_path {
456 	struct efi_device_path dp;
457 	u32 partition_number;
458 	u64 partition_start;
459 	u64 partition_end;
460 	u8 partition_signature[16];
461 	u8 partmap_type;
462 	u8 signature_type;
463 } __packed;
464 
465 struct efi_device_path_cdrom_path {
466 	struct efi_device_path dp;
467 	u32 boot_entry;
468 	u64 partition_start;
469 	u64 partition_end;
470 } __packed;
471 
472 struct efi_device_path_file_path {
473 	struct efi_device_path dp;
474 	u16 str[];
475 } __packed;
476 
477 #define BLOCK_IO_GUID \
478 	EFI_GUID(0x964e5b21, 0x6459, 0x11d2, \
479 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
480 
481 struct efi_block_io_media {
482 	u32 media_id;
483 	char removable_media;
484 	char media_present;
485 	char logical_partition;
486 	char read_only;
487 	char write_caching;
488 	u8 pad[3];
489 	u32 block_size;
490 	u32 io_align;
491 	u8 pad2[4];
492 	u64 last_block;
493 	/* Added in revision 2 of the protocol */
494 	u64 lowest_aligned_lba;
495 	u32 logical_blocks_per_physical_block;
496 	/* Added in revision 3 of the protocol */
497 	u32 optimal_transfer_length_granualarity;
498 };
499 
500 #define EFI_BLOCK_IO_PROTOCOL_REVISION2	0x00020001
501 #define EFI_BLOCK_IO_PROTOCOL_REVISION3	0x0002001f
502 
503 struct efi_block_io {
504 	u64 revision;
505 	struct efi_block_io_media *media;
506 	efi_status_t (EFIAPI *reset)(struct efi_block_io *this,
507 			char extended_verification);
508 	efi_status_t (EFIAPI *read_blocks)(struct efi_block_io *this,
509 			u32 media_id, u64 lba, efi_uintn_t buffer_size,
510 			void *buffer);
511 	efi_status_t (EFIAPI *write_blocks)(struct efi_block_io *this,
512 			u32 media_id, u64 lba, efi_uintn_t buffer_size,
513 			void *buffer);
514 	efi_status_t (EFIAPI *flush_blocks)(struct efi_block_io *this);
515 };
516 
517 struct simple_text_output_mode {
518 	s32 max_mode;
519 	s32 mode;
520 	s32 attribute;
521 	s32 cursor_column;
522 	s32 cursor_row;
523 	bool cursor_visible;
524 };
525 
526 #define EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL_GUID \
527 	EFI_GUID(0x387477c2, 0x69c7, 0x11d2, \
528 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
529 
530 #define EFI_BLACK                0x00
531 #define EFI_BLUE                 0x01
532 #define EFI_GREEN                0x02
533 #define EFI_CYAN                 0x03
534 #define EFI_RED                  0x04
535 #define EFI_MAGENTA              0x05
536 #define EFI_BROWN                0x06
537 #define EFI_LIGHTGRAY            0x07
538 #define EFI_BRIGHT               0x08
539 #define EFI_DARKGRAY             0x08
540 #define EFI_LIGHTBLUE            0x09
541 #define EFI_LIGHTGREEN           0x0a
542 #define EFI_LIGHTCYAN            0x0b
543 #define EFI_LIGHTRED             0x0c
544 #define EFI_LIGHTMAGENTA         0x0d
545 #define EFI_YELLOW               0x0e
546 #define EFI_WHITE                0x0f
547 #define EFI_BACKGROUND_BLACK     0x00
548 #define EFI_BACKGROUND_BLUE      0x10
549 #define EFI_BACKGROUND_GREEN     0x20
550 #define EFI_BACKGROUND_CYAN      0x30
551 #define EFI_BACKGROUND_RED       0x40
552 #define EFI_BACKGROUND_MAGENTA   0x50
553 #define EFI_BACKGROUND_BROWN     0x60
554 #define EFI_BACKGROUND_LIGHTGRAY 0x70
555 
556 /* extract foreground color from EFI attribute */
557 #define EFI_ATTR_FG(attr)        ((attr) & 0x07)
558 /* treat high bit of FG as bright/bold (similar to edk2) */
559 #define EFI_ATTR_BOLD(attr)      (((attr) >> 3) & 0x01)
560 /* extract background color from EFI attribute */
561 #define EFI_ATTR_BG(attr)        (((attr) >> 4) & 0x7)
562 
563 struct efi_simple_text_output_protocol {
564 	void *reset;
565 	efi_status_t (EFIAPI *output_string)(
566 			struct efi_simple_text_output_protocol *this,
567 			const efi_string_t str);
568 	efi_status_t (EFIAPI *test_string)(
569 			struct efi_simple_text_output_protocol *this,
570 			const efi_string_t str);
571 	efi_status_t(EFIAPI *query_mode)(
572 			struct efi_simple_text_output_protocol *this,
573 			unsigned long mode_number, unsigned long *columns,
574 			unsigned long *rows);
575 	efi_status_t(EFIAPI *set_mode)(
576 			struct efi_simple_text_output_protocol *this,
577 			unsigned long mode_number);
578 	efi_status_t(EFIAPI *set_attribute)(
579 			struct efi_simple_text_output_protocol *this,
580 			unsigned long attribute);
581 	efi_status_t(EFIAPI *clear_screen) (
582 			struct efi_simple_text_output_protocol *this);
583 	efi_status_t(EFIAPI *set_cursor_position) (
584 			struct efi_simple_text_output_protocol *this,
585 			unsigned long column, unsigned long row);
586 	efi_status_t(EFIAPI *enable_cursor)(
587 			struct efi_simple_text_output_protocol *this,
588 			bool enable);
589 	struct simple_text_output_mode *mode;
590 };
591 
592 #define EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL_GUID \
593 	EFI_GUID(0xdd9e7534, 0x7762, 0x4698, \
594 		 0x8c, 0x14, 0xf5, 0x85, 0x17, 0xa6, 0x25, 0xaa)
595 
596 struct efi_input_key {
597 	u16 scan_code;
598 	s16 unicode_char;
599 };
600 
601 #define EFI_SHIFT_STATE_INVALID		0x00000000
602 #define EFI_RIGHT_SHIFT_PRESSED		0x00000001
603 #define EFI_LEFT_SHIFT_PRESSED		0x00000002
604 #define EFI_RIGHT_CONTROL_PRESSED	0x00000004
605 #define EFI_LEFT_CONTROL_PRESSED	0x00000008
606 #define EFI_RIGHT_ALT_PRESSED		0x00000010
607 #define EFI_LEFT_ALT_PRESSED		0x00000020
608 #define EFI_RIGHT_LOGO_PRESSED		0x00000040
609 #define EFI_LEFT_LOGO_PRESSED		0x00000080
610 #define EFI_MENU_KEY_PRESSED		0x00000100
611 #define EFI_SYS_REQ_PRESSED		0x00000200
612 #define EFI_SHIFT_STATE_VALID		0x80000000
613 
614 #define EFI_TOGGLE_STATE_INVALID	0x00
615 #define EFI_SCROLL_LOCK_ACTIVE		0x01
616 #define EFI_NUM_LOCK_ACTIVE		0x02
617 #define EFI_CAPS_LOCK_ACTIVE		0x04
618 #define EFI_KEY_STATE_EXPOSED		0x40
619 #define EFI_TOGGLE_STATE_VALID		0x80
620 
621 struct efi_key_state {
622 	u32 key_shift_state;
623 	u8 key_toggle_state;
624 };
625 
626 struct efi_key_data {
627 	struct efi_input_key key;
628 	struct efi_key_state key_state;
629 };
630 
631 struct efi_simple_text_input_ex_protocol {
632 	efi_status_t (EFIAPI *reset) (
633 		struct efi_simple_text_input_ex_protocol *this,
634 		bool extended_verification);
635 	efi_status_t (EFIAPI *read_key_stroke_ex) (
636 		struct efi_simple_text_input_ex_protocol *this,
637 		struct efi_key_data *key_data);
638 	struct efi_event *wait_for_key_ex;
639 	efi_status_t (EFIAPI *set_state) (
640 		struct efi_simple_text_input_ex_protocol *this,
641 		u8 key_toggle_state);
642 	efi_status_t (EFIAPI *register_key_notify) (
643 		struct efi_simple_text_input_ex_protocol *this,
644 		struct efi_key_data *key_data,
645 		efi_status_t (EFIAPI *key_notify_function)(
646 			struct efi_key_data *key_data),
647 		void **notify_handle);
648 	efi_status_t (EFIAPI *unregister_key_notify) (
649 		struct efi_simple_text_input_ex_protocol *this,
650 		void *notification_handle);
651 };
652 
653 #define EFI_SIMPLE_TEXT_INPUT_PROTOCOL_GUID \
654 	EFI_GUID(0x387477c1, 0x69c7, 0x11d2, \
655 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
656 
657 struct efi_simple_text_input_protocol {
658 	efi_status_t(EFIAPI *reset)(struct efi_simple_text_input_protocol *this,
659 				    bool extended_verification);
660 	efi_status_t(EFIAPI *read_key_stroke)(
661 			struct efi_simple_text_input_protocol *this,
662 			struct efi_input_key *key);
663 	struct efi_event *wait_for_key;
664 };
665 
666 #define EFI_DEVICE_PATH_TO_TEXT_PROTOCOL_GUID \
667 	EFI_GUID(0x8b843e20, 0x8132, 0x4852, \
668 		 0x90, 0xcc, 0x55, 0x1a, 0x4e, 0x4a, 0x7f, 0x1c)
669 
670 struct efi_device_path_to_text_protocol {
671 	uint16_t *(EFIAPI *convert_device_node_to_text)(
672 			struct efi_device_path *device_node,
673 			bool display_only,
674 			bool allow_shortcuts);
675 	uint16_t *(EFIAPI *convert_device_path_to_text)(
676 			struct efi_device_path *device_path,
677 			bool display_only,
678 			bool allow_shortcuts);
679 };
680 
681 #define EFI_DEVICE_PATH_UTILITIES_PROTOCOL_GUID \
682 	EFI_GUID(0x0379be4e, 0xd706, 0x437d, \
683 		 0xb0, 0x37, 0xed, 0xb8, 0x2f, 0xb7, 0x72, 0xa4)
684 
685 struct efi_device_path_utilities_protocol {
686 	efi_uintn_t (EFIAPI *get_device_path_size)(
687 		const struct efi_device_path *device_path);
688 	struct efi_device_path *(EFIAPI *duplicate_device_path)(
689 		const struct efi_device_path *device_path);
690 	struct efi_device_path *(EFIAPI *append_device_path)(
691 		const struct efi_device_path *src1,
692 		const struct efi_device_path *src2);
693 	struct efi_device_path *(EFIAPI *append_device_node)(
694 		const struct efi_device_path *device_path,
695 		const struct efi_device_path *device_node);
696 	struct efi_device_path *(EFIAPI *append_device_path_instance)(
697 		const struct efi_device_path *device_path,
698 		const struct efi_device_path *device_path_instance);
699 	struct efi_device_path *(EFIAPI *get_next_device_path_instance)(
700 		struct efi_device_path **device_path_instance,
701 		efi_uintn_t *device_path_instance_size);
702 	bool (EFIAPI *is_device_path_multi_instance)(
703 		const struct efi_device_path *device_path);
704 	struct efi_device_path *(EFIAPI *create_device_node)(
705 		uint8_t node_type,
706 		uint8_t node_sub_type,
707 		uint16_t node_length);
708 };
709 
710 /*
711  * Human Interface Infrastructure (HII)
712  */
713 struct efi_hii_package_list_header {
714 	efi_guid_t package_list_guid;
715 	u32 package_length;
716 } __packed;
717 
718 /**
719  * struct efi_hii_package_header - EFI HII package header
720  *
721  * @fields:	'fields' replaces the bit-fields defined in the EFI
722  *		specification to to avoid possible compiler incompatibilities::
723  *
724  *		u32 length:24;
725  *		u32 type:8;
726  */
727 struct efi_hii_package_header {
728 	u32 fields;
729 } __packed;
730 
731 #define __EFI_HII_PACKAGE_LEN_SHIFT	0
732 #define __EFI_HII_PACKAGE_TYPE_SHIFT	24
733 #define __EFI_HII_PACKAGE_LEN_MASK	0xffffff
734 #define __EFI_HII_PACKAGE_TYPE_MASK	0xff
735 
736 #define EFI_HII_PACKAGE_TYPE_ALL          0x00
737 #define EFI_HII_PACKAGE_TYPE_GUID         0x01
738 #define EFI_HII_PACKAGE_FORMS             0x02
739 #define EFI_HII_PACKAGE_STRINGS           0x04
740 #define EFI_HII_PACKAGE_FONTS             0x05
741 #define EFI_HII_PACKAGE_IMAGES            0x06
742 #define EFI_HII_PACKAGE_SIMPLE_FONTS      0x07
743 #define EFI_HII_PACKAGE_DEVICE_PATH       0x08
744 #define EFI_HII_PACKAGE_KEYBOARD_LAYOUT   0x09
745 #define EFI_HII_PACKAGE_ANIMATIONS        0x0A
746 #define EFI_HII_PACKAGE_END               0xDF
747 #define EFI_HII_PACKAGE_TYPE_SYSTEM_BEGIN 0xE0
748 #define EFI_HII_PACKAGE_TYPE_SYSTEM_END   0xFF
749 
750 /*
751  * HII GUID package
752  */
753 struct efi_hii_guid_package {
754 	struct efi_hii_package_header header;
755 	efi_guid_t guid;
756 	char data[];
757 } __packed;
758 
759 /*
760  * HII string package
761  */
762 struct efi_hii_strings_package {
763 	struct efi_hii_package_header header;
764 	u32 header_size;
765 	u32 string_info_offset;
766 	u16 language_window[16];
767 	efi_string_id_t language_name;
768 	u8  language[];
769 } __packed;
770 
771 struct efi_hii_string_block {
772 	u8 block_type;
773 	/* u8 block_body[]; */
774 } __packed;
775 
776 #define EFI_HII_SIBT_END               0x00
777 #define EFI_HII_SIBT_STRING_SCSU       0x10
778 #define EFI_HII_SIBT_STRING_SCSU_FONT  0x11
779 #define EFI_HII_SIBT_STRINGS_SCSU      0x12
780 #define EFI_HII_SIBT_STRINGS_SCSU_FONT 0x13
781 #define EFI_HII_SIBT_STRING_UCS2       0x14
782 #define EFI_HII_SIBT_STRING_UCS2_FONT  0x15
783 #define EFI_HII_SIBT_STRINGS_UCS2      0x16
784 #define EFI_HII_SIBT_STRINGS_UCS2_FONT 0x17
785 #define EFI_HII_SIBT_DUPLICATE         0x20
786 #define EFI_HII_SIBT_SKIP2             0x21
787 #define EFI_HII_SIBT_SKIP1             0x22
788 #define EFI_HII_SIBT_EXT1              0x30
789 #define EFI_HII_SIBT_EXT2              0x31
790 #define EFI_HII_SIBT_EXT4              0x32
791 #define EFI_HII_SIBT_FONT              0x40
792 
793 struct efi_hii_sibt_string_ucs2_block {
794 	struct efi_hii_string_block header;
795 	u16 string_text[];
796 } __packed;
797 
798 static inline struct efi_hii_string_block *
efi_hii_sibt_string_ucs2_block_next(struct efi_hii_sibt_string_ucs2_block * blk)799 efi_hii_sibt_string_ucs2_block_next(struct efi_hii_sibt_string_ucs2_block *blk)
800 {
801 	return ((void *)blk) + sizeof(*blk) +
802 		(u16_strlen(blk->string_text) + 1) * 2;
803 }
804 
805 /*
806  * HII forms package
807  * TODO: full scope of definitions
808  */
809 struct efi_hii_time {
810 	u8 hour;
811 	u8 minute;
812 	u8 second;
813 };
814 
815 struct efi_hii_date {
816 	u16 year;
817 	u8 month;
818 	u8 day;
819 };
820 
821 struct efi_hii_ref {
822 	efi_question_id_t question_id;
823 	efi_form_id_t form_id;
824 	efi_guid_t form_set_guid;
825 	efi_string_id_t device_path;
826 };
827 
828 union efi_ifr_type_value {
829 	u8 u8;				// EFI_IFR_TYPE_NUM_SIZE_8
830 	u16 u16;			// EFI_IFR_TYPE_NUM_SIZE_16
831 	u32 u32;			// EFI_IFR_TYPE_NUM_SIZE_32
832 	u64 u64;			// EFI_IFR_TYPE_NUM_SIZE_64
833 	bool b;				// EFI_IFR_TYPE_BOOLEAN
834 	struct efi_hii_time time;	// EFI_IFR_TYPE_TIME
835 	struct efi_hii_date date;	// EFI_IFR_TYPE_DATE
836 	efi_string_id_t string;	// EFI_IFR_TYPE_STRING, EFI_IFR_TYPE_ACTION
837 	struct efi_hii_ref ref;		// EFI_IFR_TYPE_REF
838 	// u8 buffer[];			// EFI_IFR_TYPE_BUFFER
839 };
840 
841 #define EFI_IFR_TYPE_NUM_SIZE_8		0x00
842 #define EFI_IFR_TYPE_NUM_SIZE_16	0x01
843 #define EFI_IFR_TYPE_NUM_SIZE_32	0x02
844 #define EFI_IFR_TYPE_NUM_SIZE_64	0x03
845 #define EFI_IFR_TYPE_BOOLEAN		0x04
846 #define EFI_IFR_TYPE_TIME		0x05
847 #define EFI_IFR_TYPE_DATE		0x06
848 #define EFI_IFR_TYPE_STRING		0x07
849 #define EFI_IFR_TYPE_OTHER		0x08
850 #define EFI_IFR_TYPE_UNDEFINED		0x09
851 #define EFI_IFR_TYPE_ACTION		0x0A
852 #define EFI_IFR_TYPE_BUFFER		0x0B
853 #define EFI_IFR_TYPE_REF		0x0C
854 #define EFI_IFR_OPTION_DEFAULT		0x10
855 #define EFI_IFR_OPTION_DEFAULT_MFG	0x20
856 
857 #define EFI_IFR_ONE_OF_OPTION_OP	0x09
858 
859 struct efi_ifr_op_header {
860 	u8 opCode;
861 	u8 length:7;
862 	u8 scope:1;
863 };
864 
865 struct efi_ifr_one_of_option {
866 	struct efi_ifr_op_header header;
867 	efi_string_id_t option;
868 	u8 flags;
869 	u8 type;
870 	union efi_ifr_type_value value;
871 };
872 
873 typedef efi_uintn_t efi_browser_action_t;
874 
875 #define EFI_BROWSER_ACTION_REQUEST_NONE			0
876 #define EFI_BROWSER_ACTION_REQUEST_RESET		1
877 #define EFI_BROWSER_ACTION_REQUEST_SUBMIT		2
878 #define EFI_BROWSER_ACTION_REQUEST_EXIT			3
879 #define EFI_BROWSER_ACTION_REQUEST_FORM_SUBMIT_EXIT	4
880 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT	5
881 #define EFI_BROWSER_ACTION_REQUEST_FORM_APPLY		6
882 #define EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD		7
883 #define EFI_BROWSER_ACTION_REQUEST_RECONNECT		8
884 
885 typedef efi_uintn_t efi_browser_action_request_t;
886 
887 #define EFI_BROWSER_ACTION_CHANGING			0
888 #define EFI_BROWSER_ACTION_CHANGED			1
889 #define EFI_BROWSER_ACTION_RETRIEVE			2
890 #define EFI_BROWSER_ACTION_FORM_OPEN			3
891 #define EFI_BROWSER_ACTION_FORM_CLOSE			4
892 #define EFI_BROWSER_ACTION_SUBMITTED			5
893 #define EFI_BROWSER_ACTION_DEFAULT_STANDARD		0x1000
894 #define EFI_BROWSER_ACTION_DEFAULT_MANUFACTURING	0x1001
895 #define EFI_BROWSER_ACTION_DEFAULT_SAFE			0x1002
896 #define EFI_BROWSER_ACTION_DEFAULT_PLATFORM		0x2000
897 #define EFI_BROWSER_ACTION_DEFAULT_HARDWARE		0x3000
898 #define EFI_BROWSER_ACTION_DEFAULT_FIRMWARE		0x4000
899 
900 /*
901  * HII keyboard package
902  */
903 typedef enum {
904 	EFI_KEY_LCTRL, EFI_KEY_A0, EFI_KEY_LALT, EFI_KEY_SPACE_BAR,
905 	EFI_KEY_A2, EFI_KEY_A3, EFI_KEY_A4, EFI_KEY_RCTRL, EFI_KEY_LEFT_ARROW,
906 	EFI_KEY_DOWN_ARROW, EFI_KEY_RIGHT_ARROW, EFI_KEY_ZERO,
907 	EFI_KEY_PERIOD, EFI_KEY_ENTER, EFI_KEY_LSHIFT, EFI_KEY_B0,
908 	EFI_KEY_B1, EFI_KEY_B2, EFI_KEY_B3, EFI_KEY_B4, EFI_KEY_B5, EFI_KEY_B6,
909 	EFI_KEY_B7, EFI_KEY_B8, EFI_KEY_B9, EFI_KEY_B10, EFI_KEY_RSHIFT,
910 	EFI_KEY_UP_ARROW, EFI_KEY_ONE, EFI_KEY_TWO, EFI_KEY_THREE,
911 	EFI_KEY_CAPS_LOCK, EFI_KEY_C1, EFI_KEY_C2, EFI_KEY_C3, EFI_KEY_C4,
912 	EFI_KEY_C5, EFI_KEY_C6, EFI_KEY_C7, EFI_KEY_C8, EFI_KEY_C9,
913 	EFI_KEY_C10, EFI_KEY_C11, EFI_KEY_C12, EFI_KEY_FOUR, EFI_KEY_FIVE,
914 	EFI_KEY_SIX, EFI_KEY_PLUS, EFI_KEY_TAB, EFI_KEY_D1, EFI_KEY_D2,
915 	EFI_KEY_D3, EFI_KEY_D4, EFI_KEY_D5, EFI_KEY_D6, EFI_KEY_D7, EFI_KEY_D8,
916 	EFI_KEY_D9, EFI_KEY_D10, EFI_KEY_D11, EFI_KEY_D12, EFI_KEY_D13,
917 	EFI_KEY_DEL, EFI_KEY_END, EFI_KEY_PG_DN, EFI_KEY_SEVEN, EFI_KEY_EIGHT,
918 	EFI_KEY_NINE, EFI_KEY_E0, EFI_KEY_E1, EFI_KEY_E2, EFI_KEY_E3,
919 	EFI_KEY_E4, EFI_KEY_E5, EFI_KEY_E6, EFI_KEY_E7, EFI_KEY_E8, EFI_KEY_E9,
920 	EFI_KEY_E10, EFI_KEY_E11, EFI_KEY_E12, EFI_KEY_BACK_SPACE,
921 	EFI_KEY_INS, EFI_KEY_HOME, EFI_KEY_PG_UP, EFI_KEY_NLCK, EFI_KEY_SLASH,
922 	EFI_KEY_ASTERISK, EFI_KEY_MINUS, EFI_KEY_ESC, EFI_KEY_F1, EFI_KEY_F2,
923 	EFI_KEY_F3, EFI_KEY_F4, EFI_KEY_F5, EFI_KEY_F6, EFI_KEY_F7, EFI_KEY_F8,
924 	EFI_KEY_F9, EFI_KEY_F10, EFI_KEY_F11, EFI_KEY_F12, EFI_KEY_PRINT,
925 	EFI_KEY_SLCK, EFI_KEY_PAUSE,
926 } efi_key;
927 
928 struct efi_key_descriptor {
929 	u32 key;
930 	u16 unicode;
931 	u16 shifted_unicode;
932 	u16 alt_gr_unicode;
933 	u16 shifted_alt_gr_unicode;
934 	u16 modifier;
935 	u16 affected_attribute;
936 } __packed;
937 
938 struct efi_hii_keyboard_layout {
939 	u16 layout_length;
940 	efi_guid_t guid;
941 	u32 layout_descriptor_string_offset;
942 	u8 descriptor_count;
943 	struct efi_key_descriptor descriptors[];
944 } __packed;
945 
946 struct efi_hii_keyboard_package {
947 	struct efi_hii_package_header header;
948 	u16 layout_count;
949 	struct efi_hii_keyboard_layout layout[];
950 } __packed;
951 
952 /*
953  * HII protocols
954  */
955 #define EFI_HII_STRING_PROTOCOL_GUID \
956 	EFI_GUID(0x0fd96974, 0x23aa, 0x4cdc, \
957 		 0xb9, 0xcb, 0x98, 0xd1, 0x77, 0x50, 0x32, 0x2a)
958 
959 struct efi_font_info {
960 	efi_hii_font_style_t font_style;
961 	u16 font_size;
962 	u16 font_name[1];
963 };
964 
965 struct efi_hii_string_protocol {
966 	efi_status_t(EFIAPI *new_string)(
967 		const struct efi_hii_string_protocol *this,
968 		efi_hii_handle_t package_list,
969 		efi_string_id_t *string_id,
970 		const u8 *language,
971 		const u16 *language_name,
972 		const efi_string_t string,
973 		const struct efi_font_info *string_font_info);
974 	efi_status_t(EFIAPI *get_string)(
975 		const struct efi_hii_string_protocol *this,
976 		const u8 *language,
977 		efi_hii_handle_t package_list,
978 		efi_string_id_t string_id,
979 		efi_string_t string,
980 		efi_uintn_t *string_size,
981 		struct efi_font_info **string_font_info);
982 	efi_status_t(EFIAPI *set_string)(
983 		const struct efi_hii_string_protocol *this,
984 		efi_hii_handle_t package_list,
985 		efi_string_id_t string_id,
986 		const u8 *language,
987 		const efi_string_t string,
988 		const struct efi_font_info *string_font_info);
989 	efi_status_t(EFIAPI *get_languages)(
990 		const struct efi_hii_string_protocol *this,
991 		efi_hii_handle_t package_list,
992 		u8 *languages,
993 		efi_uintn_t *languages_size);
994 	efi_status_t(EFIAPI *get_secondary_languages)(
995 		const struct efi_hii_string_protocol *this,
996 		efi_hii_handle_t package_list,
997 		const u8 *primary_language,
998 		u8 *secondary_languages,
999 		efi_uintn_t *secondary_languages_size);
1000 };
1001 
1002 #define EFI_HII_DATABASE_PROTOCOL_GUID	     \
1003 	EFI_GUID(0xef9fc172, 0xa1b2, 0x4693, \
1004 		 0xb3, 0x27, 0x6d, 0x32, 0xfc, 0x41, 0x60, 0x42)
1005 
1006 struct efi_hii_database_protocol {
1007 	efi_status_t(EFIAPI *new_package_list)(
1008 		const struct efi_hii_database_protocol *this,
1009 		const struct efi_hii_package_list_header *package_list,
1010 		const efi_handle_t driver_handle,
1011 		efi_hii_handle_t *handle);
1012 	efi_status_t(EFIAPI *remove_package_list)(
1013 		const struct efi_hii_database_protocol *this,
1014 		efi_hii_handle_t handle);
1015 	efi_status_t(EFIAPI *update_package_list)(
1016 		const struct efi_hii_database_protocol *this,
1017 		efi_hii_handle_t handle,
1018 		const struct efi_hii_package_list_header *package_list);
1019 	efi_status_t(EFIAPI *list_package_lists)(
1020 		const struct efi_hii_database_protocol *this,
1021 		u8 package_type,
1022 		const efi_guid_t *package_guid,
1023 		efi_uintn_t *handle_buffer_length,
1024 		efi_hii_handle_t *handle);
1025 	efi_status_t(EFIAPI *export_package_lists)(
1026 		const struct efi_hii_database_protocol *this,
1027 		efi_hii_handle_t handle,
1028 		efi_uintn_t *buffer_size,
1029 		struct efi_hii_package_list_header *buffer);
1030 	efi_status_t(EFIAPI *register_package_notify)(
1031 		const struct efi_hii_database_protocol *this,
1032 		u8 package_type,
1033 		const efi_guid_t *package_guid,
1034 		const void *package_notify_fn,
1035 		efi_uintn_t notify_type,
1036 		efi_handle_t *notify_handle);
1037 	efi_status_t(EFIAPI *unregister_package_notify)(
1038 		const struct efi_hii_database_protocol *this,
1039 		efi_handle_t notification_handle
1040 		);
1041 	efi_status_t(EFIAPI *find_keyboard_layouts)(
1042 		const struct efi_hii_database_protocol *this,
1043 		u16 *key_guid_buffer_length,
1044 		efi_guid_t *key_guid_buffer);
1045 	efi_status_t(EFIAPI *get_keyboard_layout)(
1046 		const struct efi_hii_database_protocol *this,
1047 		efi_guid_t *key_guid,
1048 		u16 *keyboard_layout_length,
1049 		struct efi_hii_keyboard_layout *keyboard_layout);
1050 	efi_status_t(EFIAPI *set_keyboard_layout)(
1051 		const struct efi_hii_database_protocol *this,
1052 		efi_guid_t *key_guid);
1053 	efi_status_t(EFIAPI *get_package_list_handle)(
1054 		const struct efi_hii_database_protocol *this,
1055 		efi_hii_handle_t package_list_handle,
1056 		efi_handle_t *driver_handle);
1057 };
1058 
1059 #define EFI_HII_CONFIG_ROUTING_PROTOCOL_GUID \
1060 	EFI_GUID(0x587e72d7, 0xcc50, 0x4f79, \
1061 		 0x82, 0x09, 0xca, 0x29, 0x1f, 0xc1, 0xa1, 0x0f)
1062 
1063 struct efi_hii_config_routing_protocol {
1064 	efi_status_t(EFIAPI *extract_config)(
1065 		const struct efi_hii_config_routing_protocol *this,
1066 		const efi_string_t request,
1067 		efi_string_t *progress,
1068 		efi_string_t *results);
1069 	efi_status_t(EFIAPI *export_config)(
1070 		const struct efi_hii_config_routing_protocol *this,
1071 		efi_string_t *results);
1072 	efi_status_t(EFIAPI *route_config)(
1073 		const struct efi_hii_config_routing_protocol *this,
1074 		const efi_string_t configuration,
1075 		efi_string_t *progress);
1076 	efi_status_t(EFIAPI *block_to_config)(
1077 		const struct efi_hii_config_routing_protocol *this,
1078 		const efi_string_t config_request,
1079 		const uint8_t *block,
1080 		const efi_uintn_t block_size,
1081 		efi_string_t *config,
1082 		efi_string_t *progress);
1083 	efi_status_t(EFIAPI *config_to_block)(
1084 		const struct efi_hii_config_routing_protocol *this,
1085 		const efi_string_t config_resp,
1086 		const uint8_t *block,
1087 		const efi_uintn_t *block_size,
1088 		efi_string_t *progress);
1089 	efi_status_t(EFIAPI *get_alt_config)(
1090 		const struct efi_hii_config_routing_protocol *this,
1091 		const efi_string_t config_resp,
1092 		const efi_guid_t *guid,
1093 		const efi_string_t name,
1094 		const struct efi_device_path *device_path,
1095 		const efi_string_t alt_cfg_id,
1096 		efi_string_t *alt_cfg_resp);
1097 };
1098 
1099 #define EFI_HII_CONFIG_ACCESS_PROTOCOL_GUID \
1100 	EFI_GUID(0x330d4706, 0xf2a0, 0x4e4f, \
1101 		 0xa3, 0x69, 0xb6, 0x6f, 0xa8, 0xd5, 0x43, 0x85)
1102 
1103 struct efi_hii_config_access_protocol {
1104 	efi_status_t(EFIAPI *extract_config_access)(
1105 		const struct efi_hii_config_access_protocol *this,
1106 		const efi_string_t request,
1107 		efi_string_t *progress,
1108 		efi_string_t *results);
1109 	efi_status_t(EFIAPI *route_config_access)(
1110 		const struct efi_hii_config_access_protocol *this,
1111 		const efi_string_t configuration,
1112 		efi_string_t *progress);
1113 	efi_status_t(EFIAPI *form_callback)(
1114 		const struct efi_hii_config_access_protocol *this,
1115 		efi_browser_action_t action,
1116 		efi_question_id_t question_id,
1117 		u8 type,
1118 		union efi_ifr_type_value *value,
1119 		efi_browser_action_request_t *action_request);
1120 };
1121 
1122 #define EFI_GOP_GUID \
1123 	EFI_GUID(0x9042a9de, 0x23dc, 0x4a38, \
1124 		 0x96, 0xfb, 0x7a, 0xde, 0xd0, 0x80, 0x51, 0x6a)
1125 
1126 #define EFI_GOT_RGBA8		0
1127 #define EFI_GOT_BGRA8		1
1128 #define EFI_GOT_BITMASK		2
1129 
1130 struct efi_gop_mode_info {
1131 	u32 version;
1132 	u32 width;
1133 	u32 height;
1134 	u32 pixel_format;
1135 	u32 pixel_bitmask[4];
1136 	u32 pixels_per_scanline;
1137 };
1138 
1139 struct efi_gop_mode {
1140 	u32 max_mode;
1141 	u32 mode;
1142 	struct efi_gop_mode_info *info;
1143 	unsigned long info_size;
1144 	efi_physical_addr_t fb_base;
1145 	unsigned long fb_size;
1146 };
1147 
1148 struct efi_gop_pixel {
1149 	u8 blue;
1150 	u8 green;
1151 	u8 red;
1152 	u8 reserved;
1153 };
1154 
1155 #define EFI_BLT_VIDEO_FILL		0
1156 #define EFI_BLT_VIDEO_TO_BLT_BUFFER	1
1157 #define EFI_BLT_BUFFER_TO_VIDEO		2
1158 #define EFI_BLT_VIDEO_TO_VIDEO		3
1159 
1160 struct efi_gop {
1161 	efi_status_t (EFIAPI *query_mode)(struct efi_gop *this, u32 mode_number,
1162 					  efi_uintn_t *size_of_info,
1163 					  struct efi_gop_mode_info **info);
1164 	efi_status_t (EFIAPI *set_mode)(struct efi_gop *this, u32 mode_number);
1165 	efi_status_t (EFIAPI *blt)(struct efi_gop *this,
1166 				   struct efi_gop_pixel *buffer,
1167 				   u32 operation, efi_uintn_t sx,
1168 				   efi_uintn_t sy, efi_uintn_t dx,
1169 				   efi_uintn_t dy, efi_uintn_t width,
1170 				   efi_uintn_t height, efi_uintn_t delta);
1171 	struct efi_gop_mode *mode;
1172 };
1173 
1174 #define EFI_SIMPLE_NETWORK_GUID \
1175 	EFI_GUID(0xa19832b9, 0xac25, 0x11d3, \
1176 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1177 
1178 struct efi_mac_address {
1179 	char mac_addr[32];
1180 };
1181 
1182 struct efi_ip_address {
1183 	u8 ip_addr[16];
1184 } __attribute__((aligned(4)));
1185 
1186 enum efi_simple_network_state {
1187 	EFI_NETWORK_STOPPED,
1188 	EFI_NETWORK_STARTED,
1189 	EFI_NETWORK_INITIALIZED,
1190 };
1191 
1192 struct efi_simple_network_mode {
1193 	enum efi_simple_network_state state;
1194 	u32 hwaddr_size;
1195 	u32 media_header_size;
1196 	u32 max_packet_size;
1197 	u32 nvram_size;
1198 	u32 nvram_access_size;
1199 	u32 receive_filter_mask;
1200 	u32 receive_filter_setting;
1201 	u32 max_mcast_filter_count;
1202 	u32 mcast_filter_count;
1203 	struct efi_mac_address mcast_filter[16];
1204 	struct efi_mac_address current_address;
1205 	struct efi_mac_address broadcast_address;
1206 	struct efi_mac_address permanent_address;
1207 	u8 if_type;
1208 	u8 mac_changeable;
1209 	u8 multitx_supported;
1210 	u8 media_present_supported;
1211 	u8 media_present;
1212 };
1213 
1214 /* receive_filters bit mask */
1215 #define EFI_SIMPLE_NETWORK_RECEIVE_UNICAST               0x01
1216 #define EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST             0x02
1217 #define EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST             0x04
1218 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS           0x08
1219 #define EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST 0x10
1220 
1221 /* interrupt status bit mask */
1222 #define EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT	0x01
1223 #define EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT	0x02
1224 #define EFI_SIMPLE_NETWORK_COMMAND_INTERRUPT	0x04
1225 #define EFI_SIMPLE_NETWORK_SOFTWARE_INTERRUPT	0x08
1226 
1227 /* revision of the simple network protocol */
1228 #define EFI_SIMPLE_NETWORK_PROTOCOL_REVISION	0x00010000
1229 
1230 struct efi_simple_network {
1231 	u64 revision;
1232 	efi_status_t (EFIAPI *start)(struct efi_simple_network *this);
1233 	efi_status_t (EFIAPI *stop)(struct efi_simple_network *this);
1234 	efi_status_t (EFIAPI *initialize)(struct efi_simple_network *this,
1235 			ulong extra_rx, ulong extra_tx);
1236 	efi_status_t (EFIAPI *reset)(struct efi_simple_network *this,
1237 			int extended_verification);
1238 	efi_status_t (EFIAPI *shutdown)(struct efi_simple_network *this);
1239 	efi_status_t (EFIAPI *receive_filters)(struct efi_simple_network *this,
1240 			u32 enable, u32 disable, int reset_mcast_filter,
1241 			ulong mcast_filter_count,
1242 			struct efi_mac_address *mcast_filter);
1243 	efi_status_t (EFIAPI *station_address)(struct efi_simple_network *this,
1244 			int reset, struct efi_mac_address *new_mac);
1245 	efi_status_t (EFIAPI *statistics)(struct efi_simple_network *this,
1246 			int reset, ulong *stat_size, void *stat_table);
1247 	efi_status_t (EFIAPI *mcastiptomac)(struct efi_simple_network *this,
1248 			int ipv6, struct efi_ip_address *ip,
1249 			struct efi_mac_address *mac);
1250 	efi_status_t (EFIAPI *nvdata)(struct efi_simple_network *this,
1251 			int read_write, ulong offset, ulong buffer_size,
1252 			char *buffer);
1253 	efi_status_t (EFIAPI *get_status)(struct efi_simple_network *this,
1254 			u32 *int_status, void **txbuf);
1255 	efi_status_t (EFIAPI *transmit)(struct efi_simple_network *this,
1256 			size_t header_size, size_t buffer_size, void *buffer,
1257 			struct efi_mac_address *src_addr,
1258 			struct efi_mac_address *dest_addr, u16 *protocol);
1259 	efi_status_t (EFIAPI *receive)(struct efi_simple_network *this,
1260 			size_t *header_size, size_t *buffer_size, void *buffer,
1261 			struct efi_mac_address *src_addr,
1262 			struct efi_mac_address *dest_addr, u16 *protocol);
1263 	struct efi_event *wait_for_packet;
1264 	struct efi_simple_network_mode *mode;
1265 };
1266 
1267 #define EFI_PXE_GUID \
1268 	EFI_GUID(0x03c4e603, 0xac28, 0x11d3, \
1269 		 0x9a, 0x2d, 0x00, 0x90, 0x27, 0x3f, 0xc1, 0x4d)
1270 
1271 struct efi_pxe_packet {
1272 	u8 packet[1472];
1273 };
1274 
1275 struct efi_pxe_mode {
1276 	u8 started;
1277 	u8 ipv6_available;
1278 	u8 ipv6_supported;
1279 	u8 using_ipv6;
1280 	u8 bis_supported;
1281 	u8 bis_detected;
1282 	u8 auto_arp;
1283 	u8 send_guid;
1284 	u8 dhcp_discover_valid;
1285 	u8 dhcp_ack_received;
1286 	u8 proxy_offer_received;
1287 	u8 pxe_discover_valid;
1288 	u8 pxe_reply_received;
1289 	u8 pxe_bis_reply_received;
1290 	u8 icmp_error_received;
1291 	u8 tftp_error_received;
1292 	u8 make_callbacks;
1293 	u8 ttl;
1294 	u8 tos;
1295 	u8 pad;
1296 	struct efi_ip_address station_ip;
1297 	struct efi_ip_address subnet_mask;
1298 	struct efi_pxe_packet dhcp_discover;
1299 	struct efi_pxe_packet dhcp_ack;
1300 	struct efi_pxe_packet proxy_offer;
1301 	struct efi_pxe_packet pxe_discover;
1302 	struct efi_pxe_packet pxe_reply;
1303 };
1304 
1305 struct efi_pxe {
1306 	u64 rev;
1307 	void (EFIAPI *start)(void);
1308 	void (EFIAPI *stop)(void);
1309 	void (EFIAPI *dhcp)(void);
1310 	void (EFIAPI *discover)(void);
1311 	void (EFIAPI *mftp)(void);
1312 	void (EFIAPI *udpwrite)(void);
1313 	void (EFIAPI *udpread)(void);
1314 	void (EFIAPI *setipfilter)(void);
1315 	void (EFIAPI *arp)(void);
1316 	void (EFIAPI *setparams)(void);
1317 	void (EFIAPI *setstationip)(void);
1318 	void (EFIAPI *setpackets)(void);
1319 	struct efi_pxe_mode *mode;
1320 };
1321 
1322 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_GUID \
1323 	EFI_GUID(0x964e5b22, 0x6459, 0x11d2, \
1324 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1325 #define EFI_FILE_PROTOCOL_REVISION	0x00010000
1326 #define EFI_FILE_PROTOCOL_REVISION2	0x00020000
1327 #define EFI_FILE_PROTOCOL_LATEST_REVISION EFI_FILE_PROTOCOL_REVISION2
1328 
1329 struct efi_file_handle {
1330 	u64 rev;
1331 	efi_status_t (EFIAPI *open)(struct efi_file_handle *file,
1332 			struct efi_file_handle **new_handle,
1333 			u16 *file_name, u64 open_mode, u64 attributes);
1334 	efi_status_t (EFIAPI *close)(struct efi_file_handle *file);
1335 	efi_status_t (EFIAPI *delete)(struct efi_file_handle *file);
1336 	efi_status_t (EFIAPI *read)(struct efi_file_handle *file,
1337 			efi_uintn_t *buffer_size, void *buffer);
1338 	efi_status_t (EFIAPI *write)(struct efi_file_handle *file,
1339 			efi_uintn_t *buffer_size, void *buffer);
1340 	efi_status_t (EFIAPI *getpos)(struct efi_file_handle *file,
1341 				      u64 *pos);
1342 	efi_status_t (EFIAPI *setpos)(struct efi_file_handle *file,
1343 				      u64 pos);
1344 	efi_status_t (EFIAPI *getinfo)(struct efi_file_handle *file,
1345 			const efi_guid_t *info_type, efi_uintn_t *buffer_size,
1346 			void *buffer);
1347 	efi_status_t (EFIAPI *setinfo)(struct efi_file_handle *file,
1348 			const efi_guid_t *info_type, efi_uintn_t buffer_size,
1349 			void *buffer);
1350 	efi_status_t (EFIAPI *flush)(struct efi_file_handle *file);
1351 	/*
1352 	 * TODO: We currently only support EFI file protocol revision 0x00010000
1353 	 *	 while UEFI specs 2.4 - 2.7 prescribe revision 0x00020000.
1354 	 */
1355 };
1356 
1357 #define EFI_SIMPLE_FILE_SYSTEM_PROTOCOL_REVISION 0x00010000
1358 
1359 struct efi_simple_file_system_protocol {
1360 	u64 rev;
1361 	efi_status_t (EFIAPI *open_volume)(struct efi_simple_file_system_protocol *this,
1362 			struct efi_file_handle **root);
1363 };
1364 
1365 #define EFI_FILE_INFO_GUID \
1366 	EFI_GUID(0x9576e92, 0x6d3f, 0x11d2, \
1367 		 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1368 
1369 #define EFI_FILE_SYSTEM_INFO_GUID \
1370 	EFI_GUID(0x09576e93, 0x6d3f, 0x11d2, \
1371 		 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b)
1372 
1373 #define EFI_FILE_MODE_READ	0x0000000000000001
1374 #define EFI_FILE_MODE_WRITE	0x0000000000000002
1375 #define EFI_FILE_MODE_CREATE	0x8000000000000000
1376 
1377 #define EFI_FILE_READ_ONLY	0x0000000000000001
1378 #define EFI_FILE_HIDDEN		0x0000000000000002
1379 #define EFI_FILE_SYSTEM		0x0000000000000004
1380 #define EFI_FILE_RESERVED	0x0000000000000008
1381 #define EFI_FILE_DIRECTORY	0x0000000000000010
1382 #define EFI_FILE_ARCHIVE	0x0000000000000020
1383 #define EFI_FILE_VALID_ATTR	0x0000000000000037
1384 
1385 struct efi_file_info {
1386 	u64 size;
1387 	u64 file_size;
1388 	u64 physical_size;
1389 	struct efi_time create_time;
1390 	struct efi_time last_access_time;
1391 	struct efi_time modification_time;
1392 	u64 attribute;
1393 	u16 file_name[0];
1394 };
1395 
1396 struct efi_file_system_info {
1397 	u64 size;
1398 	u8 read_only;
1399 	u64 volume_size;
1400 	u64 free_space;
1401 	u32 block_size;
1402 	u16 volume_label[0];
1403 };
1404 
1405 #define EFI_DRIVER_BINDING_PROTOCOL_GUID \
1406 	EFI_GUID(0x18a031ab, 0xb443, 0x4d1a,\
1407 		 0xa5, 0xc0, 0x0c, 0x09, 0x26, 0x1e, 0x9f, 0x71)
1408 struct efi_driver_binding_protocol {
1409 	efi_status_t (EFIAPI * supported)(
1410 			struct efi_driver_binding_protocol *this,
1411 			efi_handle_t controller_handle,
1412 			struct efi_device_path *remaining_device_path);
1413 	efi_status_t (EFIAPI * start)(
1414 			struct efi_driver_binding_protocol *this,
1415 			efi_handle_t controller_handle,
1416 			struct efi_device_path *remaining_device_path);
1417 	efi_status_t (EFIAPI * stop)(
1418 			struct efi_driver_binding_protocol *this,
1419 			efi_handle_t controller_handle,
1420 			efi_uintn_t number_of_children,
1421 			efi_handle_t *child_handle_buffer);
1422 	u32 version;
1423 	efi_handle_t image_handle;
1424 	efi_handle_t driver_binding_handle;
1425 };
1426 
1427 #define EFI_UNICODE_COLLATION_PROTOCOL2_GUID \
1428 	EFI_GUID(0xa4c751fc, 0x23ae, 0x4c3e, \
1429 		 0x92, 0xe9, 0x49, 0x64, 0xcf, 0x63, 0xf3, 0x49)
1430 struct efi_unicode_collation_protocol {
1431 	efi_intn_t (EFIAPI *stri_coll)(
1432 		struct efi_unicode_collation_protocol *this, u16 *s1, u16 *s2);
1433 	bool (EFIAPI *metai_match)(struct efi_unicode_collation_protocol *this,
1434 				   const u16 *string, const u16 *patter);
1435 	void (EFIAPI *str_lwr)(struct efi_unicode_collation_protocol
1436 			       *this, u16 *string);
1437 	void (EFIAPI *str_upr)(struct efi_unicode_collation_protocol *this,
1438 			       u16 *string);
1439 	void (EFIAPI *fat_to_str)(struct efi_unicode_collation_protocol *this,
1440 				  efi_uintn_t fat_size, char *fat, u16 *string);
1441 	bool (EFIAPI *str_to_fat)(struct efi_unicode_collation_protocol *this,
1442 				  const u16 *string, efi_uintn_t fat_size,
1443 				  char *fat);
1444 	char *supported_languages;
1445 };
1446 
1447 /* Boot manager load options */
1448 #define LOAD_OPTION_ACTIVE		0x00000001
1449 #define LOAD_OPTION_FORCE_RECONNECT	0x00000002
1450 #define LOAD_OPTION_HIDDEN		0x00000008
1451 /* All values 0x00000200-0x00001F00 are reserved */
1452 #define LOAD_OPTION_CATEGORY		0x00001F00
1453 #define LOAD_OPTION_CATEGORY_BOOT	0x00000000
1454 #define LOAD_OPTION_CATEGORY_APP	0x00000100
1455 
1456 #endif
1457