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8#ifndef _EFI_LOADER_H
9#define _EFI_LOADER_H 1
10
11#include <common.h>
12#include <blk.h>
13#include <log.h>
14#include <part_efi.h>
15#include <efi_api.h>
16#include <image.h>
17#include <pe.h>
18#include <linux/list.h>
19#include <linux/oid_registry.h>
20
21struct blk_desc;
22struct jmp_buf_data;
23
24static inline int guidcmp(const void *g1, const void *g2)
25{
26 return memcmp(g1, g2, sizeof(efi_guid_t));
27}
28
29static inline void *guidcpy(void *dst, const void *src)
30{
31 return memcpy(dst, src, sizeof(efi_guid_t));
32}
33
34#if CONFIG_IS_ENABLED(EFI_LOADER)
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49
50#define __efi_runtime_data __section(".data.efi_runtime")
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65
66#define __efi_runtime_rodata __section(".rodata.efi_runtime")
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80#define __efi_runtime __section(".text.efi_runtime")
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86efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len);
87
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90
91
92void efi_restore_gd(void);
93
94void efi_set_bootdev(const char *dev, const char *devnr, const char *path,
95 void *buffer, size_t buffer_size);
96
97void efi_net_set_dhcp_ack(void *pkt, int len);
98
99void efi_print_image_infos(void *pc);
100
101
102efi_status_t efi_launch_capsules(void);
103
104#else
105
106
107#define __efi_runtime_data
108#define __efi_runtime_rodata
109#define __efi_runtime
110static inline efi_status_t efi_add_runtime_mmio(void *mmio_ptr, u64 len)
111{
112 return EFI_SUCCESS;
113}
114
115
116static inline void efi_restore_gd(void) { }
117static inline void efi_set_bootdev(const char *dev, const char *devnr,
118 const char *path, void *buffer,
119 size_t buffer_size) { }
120static inline void efi_net_set_dhcp_ack(void *pkt, int len) { }
121static inline void efi_print_image_infos(void *pc) { }
122static inline efi_status_t efi_launch_capsules(void)
123{
124 return EFI_SUCCESS;
125}
126
127#endif
128
129
130#define EFI_MAX_CONFIGURATION_TABLES 16
131
132
133#define U_BOOT_GUID \
134 EFI_GUID(0xe61d73b9, 0xa384, 0x4acc, \
135 0xae, 0xab, 0x82, 0xe8, 0x28, 0xf3, 0x62, 0x8b)
136
137#define U_BOOT_HOST_DEV_GUID \
138 EFI_GUID(0xbbe4e671, 0x5773, 0x4ea1, \
139 0x9a, 0xab, 0x3a, 0x7d, 0xbf, 0x40, 0xc4, 0x82)
140
141#define U_BOOT_VIRTIO_DEV_GUID \
142 EFI_GUID(0x63293792, 0xadf5, 0x9325, \
143 0xb9, 0x9f, 0x4e, 0x0e, 0x45, 0x5c, 0x1b, 0x1e)
144
145
146#define EFI_FDT_USE_INTERNAL NULL
147
148
149extern efi_handle_t efi_root;
150
151
152extern efi_status_t efi_obj_list_initialized;
153
154
155extern bool efi_st_keep_devices;
156
157
158extern struct efi_system_partition {
159 enum if_type if_type;
160 int devnum;
161 u8 part;
162} efi_system_partition;
163
164int __efi_entry_check(void);
165int __efi_exit_check(void);
166const char *__efi_nesting(void);
167const char *__efi_nesting_inc(void);
168const char *__efi_nesting_dec(void);
169
170
171
172
173#define EFI_ENTRY(format, ...) do { \
174 assert(__efi_entry_check()); \
175 debug("%sEFI: Entry %s(" format ")\n", __efi_nesting_inc(), \
176 __func__, ##__VA_ARGS__); \
177 } while(0)
178
179
180
181
182#define EFI_EXIT(ret) ({ \
183 typeof(ret) _r = ret; \
184 debug("%sEFI: Exit: %s: %u\n", __efi_nesting_dec(), \
185 __func__, (u32)((uintptr_t) _r & ~EFI_ERROR_MASK)); \
186 assert(__efi_exit_check()); \
187 _r; \
188 })
189
190
191
192
193#define EFI_CALL(exp) ({ \
194 debug("%sEFI: Call: %s\n", __efi_nesting_inc(), #exp); \
195 assert(__efi_exit_check()); \
196 typeof(exp) _r = exp; \
197 assert(__efi_entry_check()); \
198 debug("%sEFI: %lu returned by %s\n", __efi_nesting_dec(), \
199 (unsigned long)((uintptr_t)_r & ~EFI_ERROR_MASK), #exp); \
200 _r; \
201})
202
203
204
205
206#define EFI_CALL_VOID(exp) do { \
207 debug("%sEFI: Call: %s\n", __efi_nesting_inc(), #exp); \
208 assert(__efi_exit_check()); \
209 exp; \
210 assert(__efi_entry_check()); \
211 debug("%sEFI: Return From: %s\n", __efi_nesting_dec(), #exp); \
212 } while(0)
213
214
215
216
217#define EFI_PRINT(format, ...) ({ \
218 debug("%sEFI: " format, __efi_nesting(), \
219 ##__VA_ARGS__); \
220 })
221
222#ifdef CONFIG_SYS_CACHELINE_SIZE
223#define EFI_CACHELINE_SIZE CONFIG_SYS_CACHELINE_SIZE
224#else
225
226#define EFI_CACHELINE_SIZE 128
227#endif
228
229
230extern efi_uintn_t efi_memory_map_key;
231
232extern struct efi_runtime_services efi_runtime_services;
233extern struct efi_system_table systab;
234
235extern struct efi_simple_text_output_protocol efi_con_out;
236extern struct efi_simple_text_input_protocol efi_con_in;
237extern struct efi_console_control_protocol efi_console_control;
238extern const struct efi_device_path_to_text_protocol efi_device_path_to_text;
239
240extern const struct efi_device_path_utilities_protocol
241 efi_device_path_utilities;
242
243extern const struct efi_unicode_collation_protocol
244 efi_unicode_collation_protocol2;
245extern const struct efi_hii_config_routing_protocol efi_hii_config_routing;
246extern const struct efi_hii_config_access_protocol efi_hii_config_access;
247extern const struct efi_hii_database_protocol efi_hii_database;
248extern const struct efi_hii_string_protocol efi_hii_string;
249
250uint16_t *efi_dp_str(struct efi_device_path *dp);
251
252
253extern const efi_guid_t efi_u_boot_guid;
254#ifdef CONFIG_SANDBOX
255
256extern const efi_guid_t efi_guid_host_dev;
257#endif
258
259extern const efi_guid_t efi_block_io_guid;
260extern const efi_guid_t efi_global_variable_guid;
261extern const efi_guid_t efi_guid_console_control;
262extern const efi_guid_t efi_guid_device_path;
263
264extern const efi_guid_t efi_guid_driver_binding_protocol;
265
266extern const efi_guid_t efi_guid_event_group_exit_boot_services;
267
268extern const efi_guid_t efi_guid_event_group_virtual_address_change;
269
270extern const efi_guid_t efi_guid_event_group_memory_map_change;
271
272extern const efi_guid_t efi_guid_event_group_ready_to_boot;
273
274extern const efi_guid_t efi_guid_event_group_reset_system;
275
276extern const efi_guid_t efi_guid_fdt;
277extern const efi_guid_t efi_guid_loaded_image;
278extern const efi_guid_t efi_guid_loaded_image_device_path;
279extern const efi_guid_t efi_guid_device_path_to_text_protocol;
280extern const efi_guid_t efi_simple_file_system_protocol_guid;
281extern const efi_guid_t efi_file_info_guid;
282
283extern const efi_guid_t efi_file_system_info_guid;
284extern const efi_guid_t efi_guid_device_path_utilities_protocol;
285
286extern const efi_guid_t efi_guid_unicode_collation_protocol;
287
288extern const efi_guid_t efi_guid_load_file_protocol;
289extern const efi_guid_t efi_guid_load_file2_protocol;
290
291extern const efi_guid_t efi_guid_unicode_collation_protocol2;
292extern const efi_guid_t efi_guid_hii_config_routing_protocol;
293extern const efi_guid_t efi_guid_hii_config_access_protocol;
294extern const efi_guid_t efi_guid_hii_database_protocol;
295extern const efi_guid_t efi_guid_hii_string_protocol;
296
297extern const efi_guid_t efi_guid_image_security_database;
298extern const efi_guid_t efi_guid_sha256;
299extern const efi_guid_t efi_guid_cert_x509;
300extern const efi_guid_t efi_guid_cert_x509_sha256;
301extern const efi_guid_t efi_guid_cert_type_pkcs7;
302
303
304extern const efi_guid_t efi_guid_rng_protocol;
305
306extern const efi_guid_t efi_guid_capsule_report;
307
308extern const efi_guid_t efi_guid_firmware_management_protocol;
309
310extern const efi_guid_t efi_esrt_guid;
311
312extern char __efi_runtime_start[], __efi_runtime_stop[];
313extern char __efi_runtime_rel_start[], __efi_runtime_rel_stop[];
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324struct efi_open_protocol_info_item {
325 struct list_head link;
326 struct efi_open_protocol_info_entry info;
327};
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341struct efi_handler {
342 struct list_head link;
343 const efi_guid_t *guid;
344 void *protocol_interface;
345 struct list_head open_infos;
346};
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353
354enum efi_object_type {
355
356 EFI_OBJECT_TYPE_UNDEFINED = 0,
357
358 EFI_OBJECT_TYPE_U_BOOT_FIRMWARE,
359
360 EFI_OBJECT_TYPE_LOADED_IMAGE,
361
362 EFI_OBJECT_TYPE_STARTED_IMAGE,
363};
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382
383struct efi_object {
384
385 struct list_head link;
386
387 struct list_head protocols;
388 enum efi_object_type type;
389};
390
391enum efi_image_auth_status {
392 EFI_IMAGE_AUTH_FAILED = 0,
393 EFI_IMAGE_AUTH_PASSED,
394};
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407
408struct efi_loaded_image_obj {
409 struct efi_object header;
410 efi_status_t *exit_status;
411 efi_uintn_t *exit_data_size;
412 u16 **exit_data;
413 struct jmp_buf_data *exit_jmp;
414 EFIAPI efi_status_t (*entry)(efi_handle_t image_handle,
415 struct efi_system_table *st);
416 u16 image_type;
417 enum efi_image_auth_status auth_status;
418};
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434
435struct efi_event {
436 struct list_head link;
437 struct list_head queue_link;
438 uint32_t type;
439 efi_uintn_t notify_tpl;
440 void (EFIAPI *notify_function)(struct efi_event *event, void *context);
441 void *notify_context;
442 const efi_guid_t *group;
443 u64 trigger_next;
444 u64 trigger_time;
445 enum efi_timer_delay trigger_type;
446 bool is_signaled;
447};
448
449
450extern struct list_head efi_obj_list;
451
452extern struct list_head efi_events;
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463
464struct efi_protocol_notification {
465 struct list_head link;
466 efi_handle_t handle;
467};
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482struct efi_register_notify_event {
483 struct list_head link;
484 struct efi_event *event;
485 efi_guid_t protocol;
486 struct list_head handles;
487};
488
489
490extern struct list_head efi_register_notify_events;
491
492
493efi_status_t efi_init_obj_list(void);
494
495efi_status_t efi_install_fdt(void *fdt);
496
497efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size);
498
499efi_status_t efi_init_variables(void);
500
501void efi_variables_boot_exit_notify(void);
502efi_status_t efi_tcg2_notify_exit_boot_services_failed(void);
503
504efi_status_t efi_tcg2_measure_efi_app_invocation(void);
505
506efi_status_t efi_tcg2_measure_efi_app_exit(void);
507
508efi_status_t efi_root_node_register(void);
509
510efi_status_t efi_initialize_system_table(void);
511
512void efi_runtime_detach(void);
513
514efi_status_t EFIAPI efi_convert_pointer(efi_uintn_t debug_disposition,
515 void **address);
516
517void efi_carve_out_dt_rsv(void *fdt);
518
519efi_status_t efi_console_register(void);
520
521efi_status_t efi_disk_register(void);
522
523efi_status_t efi_rng_register(void);
524
525efi_status_t efi_tcg2_register(void);
526
527efi_status_t tcg2_measure_pe_image(void *efi, u64 efi_size,
528 struct efi_loaded_image_obj *handle,
529 struct efi_loaded_image *loaded_image_info);
530
531int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
532 const char *if_typename, int diskid,
533 const char *pdevname);
534
535bool efi_disk_is_system_part(efi_handle_t handle);
536
537efi_status_t efi_gop_register(void);
538
539efi_status_t efi_net_register(void);
540
541efi_status_t efi_watchdog_register(void);
542efi_status_t efi_initrd_register(void);
543void efi_initrd_deregister(void);
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552efi_status_t efi_acpi_register(void);
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560efi_status_t efi_smbios_register(void);
561
562struct efi_simple_file_system_protocol *
563efi_fs_from_path(struct efi_device_path *fp);
564
565
566efi_status_t efi_set_watchdog(unsigned long timeout);
567
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569void efi_timer_check(void);
570
571efi_status_t efi_check_pe(void *buffer, size_t size, void **nt_header);
572
573efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle,
574 void *efi, size_t efi_size,
575 struct efi_loaded_image *loaded_image_info);
576
577void efi_save_gd(void);
578
579void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
580
581void efi_add_handle(efi_handle_t obj);
582
583efi_status_t efi_create_handle(efi_handle_t *handle);
584
585void efi_delete_handle(efi_handle_t obj);
586
587struct efi_object *efi_search_obj(const efi_handle_t handle);
588
589efi_status_t EFIAPI efi_load_image(bool boot_policy,
590 efi_handle_t parent_image,
591 struct efi_device_path *file_path,
592 void *source_buffer,
593 efi_uintn_t source_size,
594 efi_handle_t *image_handle);
595
596efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
597 efi_uintn_t *exit_data_size,
598 u16 **exit_data);
599
600efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle);
601
602efi_status_t efi_search_protocol(const efi_handle_t handle,
603 const efi_guid_t *protocol_guid,
604 struct efi_handler **handler);
605
606efi_status_t efi_add_protocol(const efi_handle_t handle,
607 const efi_guid_t *protocol,
608 void *protocol_interface);
609
610efi_status_t efi_protocol_open(struct efi_handler *handler,
611 void **protocol_interface, void *agent_handle,
612 void *controller_handle, uint32_t attributes);
613
614
615efi_status_t efi_remove_protocol(const efi_handle_t handle,
616 const efi_guid_t *protocol,
617 void *protocol_interface);
618
619efi_status_t efi_remove_all_protocols(const efi_handle_t handle);
620
621efi_status_t EFIAPI efi_install_multiple_protocol_interfaces
622 (efi_handle_t *handle, ...);
623
624efi_status_t EFIAPI efi_locate_handle_buffer(
625 enum efi_locate_search_type search_type,
626 const efi_guid_t *protocol, void *search_key,
627 efi_uintn_t *no_handles, efi_handle_t **buffer);
628
629efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle,
630 const efi_guid_t *protocol,
631 efi_handle_t agent_handle,
632 efi_handle_t controller_handle);
633
634efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle,
635 const efi_guid_t *protocol,
636 void **protocol_interface);
637
638efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
639 void (EFIAPI *notify_function) (
640 struct efi_event *event,
641 void *context),
642 void *notify_context, efi_guid_t *group,
643 struct efi_event **event);
644
645efi_status_t efi_set_timer(struct efi_event *event, enum efi_timer_delay type,
646 uint64_t trigger_time);
647
648void efi_signal_event(struct efi_event *event);
649
650
651struct efi_simple_file_system_protocol *efi_simple_file_system(
652 struct blk_desc *desc, int part, struct efi_device_path *dp);
653
654
655struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp);
656
657
658efi_status_t EFIAPI efi_register_protocol_notify(const efi_guid_t *protocol,
659 struct efi_event *event,
660 void **registration);
661efi_status_t efi_file_size(struct efi_file_handle *fh, efi_uintn_t *size);
662
663
664struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t guid);
665
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674
675#define efi_size_in_pages(size) (((size) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
676
677void *efi_alloc(uint64_t len, int memory_type);
678
679efi_status_t efi_allocate_pages(enum efi_allocate_type type,
680 enum efi_memory_type memory_type,
681 efi_uintn_t pages, uint64_t *memory);
682
683efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages);
684
685efi_status_t efi_allocate_pool(enum efi_memory_type pool_type,
686 efi_uintn_t size, void **buffer);
687
688efi_status_t efi_free_pool(void *buffer);
689
690efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
691 struct efi_mem_desc *memory_map,
692 efi_uintn_t *map_key,
693 efi_uintn_t *descriptor_size,
694 uint32_t *descriptor_version);
695
696efi_status_t efi_add_memory_map(u64 start, u64 size, int memory_type);
697
698efi_status_t efi_add_conventional_memory_map(u64 ram_start, u64 ram_end,
699 u64 ram_top);
700
701
702efi_status_t efi_driver_init(void);
703
704int efi_memory_init(void);
705
706efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table);
707
708efi_status_t efi_setup_loaded_image(struct efi_device_path *device_path,
709 struct efi_device_path *file_path,
710 struct efi_loaded_image_obj **handle_ptr,
711 struct efi_loaded_image **info_ptr);
712
713#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
714extern void *efi_bounce_buffer;
715#define EFI_LOADER_BOUNCE_BUFFER_SIZE (64 * 1024 * 1024)
716#endif
717
718
719struct efi_device_path *efi_dp_next(const struct efi_device_path *dp);
720int efi_dp_match(const struct efi_device_path *a,
721 const struct efi_device_path *b);
722struct efi_object *efi_dp_find_obj(struct efi_device_path *dp,
723 struct efi_device_path **rem);
724
725efi_uintn_t efi_dp_instance_size(const struct efi_device_path *dp);
726
727efi_uintn_t efi_dp_size(const struct efi_device_path *dp);
728struct efi_device_path *efi_dp_dup(const struct efi_device_path *dp);
729struct efi_device_path *efi_dp_append(const struct efi_device_path *dp1,
730 const struct efi_device_path *dp2);
731struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp,
732 const struct efi_device_path *node);
733
734struct efi_device_path *efi_dp_create_device_node(const u8 type,
735 const u8 sub_type,
736 const u16 length);
737
738struct efi_device_path *efi_dp_append_instance(
739 const struct efi_device_path *dp,
740 const struct efi_device_path *dpi);
741
742struct efi_device_path *efi_dp_get_next_instance(struct efi_device_path **dp,
743 efi_uintn_t *size);
744
745bool efi_dp_is_multi_instance(const struct efi_device_path *dp);
746
747struct efi_device_path *efi_dp_from_part(struct blk_desc *desc, int part);
748
749struct efi_device_path *efi_dp_part_node(struct blk_desc *desc, int part);
750struct efi_device_path *efi_dp_from_file(struct blk_desc *desc, int part,
751 const char *path);
752struct efi_device_path *efi_dp_from_eth(void);
753struct efi_device_path *efi_dp_from_mem(uint32_t mem_type,
754 uint64_t start_address,
755 uint64_t end_address);
756
757const struct efi_device_path *efi_dp_last_node(
758 const struct efi_device_path *dp);
759efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
760 struct efi_device_path **device_path,
761 struct efi_device_path **file_path);
762efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
763 const char *path,
764 struct efi_device_path **device,
765 struct efi_device_path **file);
766ssize_t efi_dp_check_length(const struct efi_device_path *dp,
767 const size_t maxlen);
768
769#define EFI_DP_TYPE(_dp, _type, _subtype) \
770 (((_dp)->type == DEVICE_PATH_TYPE_##_type) && \
771 ((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype))
772
773
774efi_status_t efi_init_runtime_supported(void);
775
776
777void __efi_runtime efi_update_table_header_crc32(struct efi_table_hdr *table);
778
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780
781void __efi_runtime EFIAPI efi_reset_system(
782 enum efi_reset_type reset_type,
783 efi_status_t reset_status,
784 unsigned long data_size, void *reset_data);
785
786
787efi_status_t efi_reset_system_init(void);
788
789efi_status_t __efi_runtime EFIAPI efi_get_time(
790 struct efi_time *time,
791 struct efi_time_cap *capabilities);
792
793efi_status_t __efi_runtime EFIAPI efi_set_time(struct efi_time *time);
794
795#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
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800efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle,
801 struct efi_system_table *systab);
802#endif
803
804efi_status_t EFIAPI efi_get_variable(u16 *variable_name,
805 const efi_guid_t *vendor, u32 *attributes,
806 efi_uintn_t *data_size, void *data);
807efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
808 u16 *variable_name,
809 efi_guid_t *vendor);
810efi_status_t EFIAPI efi_set_variable(u16 *variable_name,
811 const efi_guid_t *vendor, u32 attributes,
812 efi_uintn_t data_size, const void *data);
813
814efi_status_t EFIAPI efi_query_variable_info(
815 u32 attributes, u64 *maximum_variable_storage_size,
816 u64 *remaining_variable_storage_size,
817 u64 *maximum_variable_size);
818
819void *efi_get_var(u16 *name, const efi_guid_t *vendor, efi_uintn_t *size);
820
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834struct efi_load_option {
835 u32 attributes;
836 u16 file_path_length;
837 u16 *label;
838 struct efi_device_path *file_path;
839 const u8 *optional_data;
840};
841
842struct efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
843 efi_uintn_t *size, efi_guid_t guid);
844struct efi_device_path *efi_dp_concat(const struct efi_device_path *dp1,
845 const struct efi_device_path *dp2);
846efi_status_t efi_deserialize_load_option(struct efi_load_option *lo, u8 *data,
847 efi_uintn_t *size);
848unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data);
849efi_status_t efi_set_load_options(efi_handle_t handle,
850 efi_uintn_t load_options_size,
851 void *load_options);
852efi_status_t efi_bootmgr_load(efi_handle_t *handle, void **load_options);
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860
861struct efi_image_regions {
862 int max;
863 int num;
864 struct image_region reg[];
865};
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877
878struct efi_sig_data {
879 struct efi_sig_data *next;
880 efi_guid_t owner;
881 void *data;
882 size_t size;
883};
884
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893
894struct efi_signature_store {
895 struct efi_signature_store *next;
896 efi_guid_t sig_type;
897 struct efi_sig_data *sig_data_list;
898};
899
900struct x509_certificate;
901struct pkcs7_message;
902
903bool efi_signature_lookup_digest(struct efi_image_regions *regs,
904 struct efi_signature_store *db);
905bool efi_signature_verify(struct efi_image_regions *regs,
906 struct pkcs7_message *msg,
907 struct efi_signature_store *db,
908 struct efi_signature_store *dbx);
909static inline bool efi_signature_verify_one(struct efi_image_regions *regs,
910 struct pkcs7_message *msg,
911 struct efi_signature_store *db)
912{
913 return efi_signature_verify(regs, msg, db, NULL);
914}
915bool efi_signature_check_signers(struct pkcs7_message *msg,
916 struct efi_signature_store *dbx);
917
918efi_status_t efi_image_region_add(struct efi_image_regions *regs,
919 const void *start, const void *end,
920 int nocheck);
921
922void efi_sigstore_free(struct efi_signature_store *sigstore);
923struct efi_signature_store *efi_build_signature_store(void *sig_list,
924 efi_uintn_t size);
925struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name);
926
927bool efi_secure_boot_enabled(void);
928
929bool efi_capsule_auth_enabled(void);
930
931void *efi_prepare_aligned_image(void *efi, u64 *efi_size);
932
933bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
934 WIN_CERTIFICATE **auth, size_t *auth_len);
935
936struct pkcs7_message *efi_parse_pkcs7_header(const void *buf,
937 size_t buflen,
938 u8 **tmpbuf);
939
940
941void efi_memcpy_runtime(void *dest, const void *src, size_t n);
942
943
944u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name,
945 unsigned int index);
946
947extern const struct efi_firmware_management_protocol efi_fmp_fit;
948extern const struct efi_firmware_management_protocol efi_fmp_raw;
949
950
951efi_status_t EFIAPI efi_update_capsule(
952 struct efi_capsule_header **capsule_header_array,
953 efi_uintn_t capsule_count,
954 u64 scatter_gather_list);
955efi_status_t EFIAPI efi_query_capsule_caps(
956 struct efi_capsule_header **capsule_header_array,
957 efi_uintn_t capsule_count,
958 u64 *maximum_capsule_size,
959 u32 *reset_type);
960
961efi_status_t efi_capsule_authenticate(const void *capsule,
962 efi_uintn_t capsule_size,
963 void **image, efi_uintn_t *image_size);
964
965#define EFI_CAPSULE_DIR L"\\EFI\\UpdateCapsule\\"
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971
972efi_status_t efi_esrt_register(void);
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984efi_status_t efi_esrt_populate(void);
985efi_status_t efi_load_capsule_drivers(void);
986#endif
987