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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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85
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 const efi_guid_t smbios_guid;
313
314extern char __efi_runtime_start[], __efi_runtime_stop[];
315extern char __efi_runtime_rel_start[], __efi_runtime_rel_stop[];
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326struct efi_open_protocol_info_item {
327 struct list_head link;
328 struct efi_open_protocol_info_entry info;
329};
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343struct efi_handler {
344 struct list_head link;
345 const efi_guid_t *guid;
346 void *protocol_interface;
347 struct list_head open_infos;
348};
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355
356enum efi_object_type {
357
358 EFI_OBJECT_TYPE_UNDEFINED = 0,
359
360 EFI_OBJECT_TYPE_U_BOOT_FIRMWARE,
361
362 EFI_OBJECT_TYPE_LOADED_IMAGE,
363
364 EFI_OBJECT_TYPE_STARTED_IMAGE,
365};
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385struct efi_object {
386
387 struct list_head link;
388
389 struct list_head protocols;
390 enum efi_object_type type;
391};
392
393enum efi_image_auth_status {
394 EFI_IMAGE_AUTH_FAILED = 0,
395 EFI_IMAGE_AUTH_PASSED,
396};
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410struct efi_loaded_image_obj {
411 struct efi_object header;
412 efi_status_t *exit_status;
413 efi_uintn_t *exit_data_size;
414 u16 **exit_data;
415 struct jmp_buf_data *exit_jmp;
416 EFIAPI efi_status_t (*entry)(efi_handle_t image_handle,
417 struct efi_system_table *st);
418 u16 image_type;
419 enum efi_image_auth_status auth_status;
420};
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436
437struct efi_event {
438 struct list_head link;
439 struct list_head queue_link;
440 uint32_t type;
441 efi_uintn_t notify_tpl;
442 void (EFIAPI *notify_function)(struct efi_event *event, void *context);
443 void *notify_context;
444 const efi_guid_t *group;
445 u64 trigger_next;
446 u64 trigger_time;
447 enum efi_timer_delay trigger_type;
448 bool is_signaled;
449};
450
451
452extern struct list_head efi_obj_list;
453
454extern struct list_head efi_events;
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465
466struct efi_protocol_notification {
467 struct list_head link;
468 efi_handle_t handle;
469};
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484struct efi_register_notify_event {
485 struct list_head link;
486 struct efi_event *event;
487 efi_guid_t protocol;
488 struct list_head handles;
489};
490
491
492extern struct list_head efi_register_notify_events;
493
494
495efi_status_t efi_init_obj_list(void);
496
497efi_status_t efi_install_fdt(void *fdt);
498
499efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size);
500
501efi_status_t efi_init_variables(void);
502
503void efi_variables_boot_exit_notify(void);
504efi_status_t efi_tcg2_notify_exit_boot_services_failed(void);
505
506efi_status_t efi_tcg2_measure_efi_app_invocation(struct efi_loaded_image_obj *handle);
507
508efi_status_t efi_tcg2_measure_efi_app_exit(void);
509
510efi_status_t efi_root_node_register(void);
511
512efi_status_t efi_initialize_system_table(void);
513
514void efi_runtime_detach(void);
515
516efi_status_t EFIAPI efi_convert_pointer(efi_uintn_t debug_disposition,
517 void **address);
518
519void efi_carve_out_dt_rsv(void *fdt);
520
521efi_status_t efi_console_register(void);
522
523efi_status_t efi_disk_register(void);
524
525efi_status_t efi_rng_register(void);
526
527efi_status_t efi_tcg2_register(void);
528
529efi_status_t efi_tcg2_do_initial_measurement(void);
530
531efi_status_t tcg2_measure_pe_image(void *efi, u64 efi_size,
532 struct efi_loaded_image_obj *handle,
533 struct efi_loaded_image *loaded_image_info);
534
535int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
536 const char *if_typename, int diskid,
537 const char *pdevname);
538
539bool efi_disk_is_system_part(efi_handle_t handle);
540
541efi_status_t efi_gop_register(void);
542
543efi_status_t efi_net_register(void);
544
545efi_status_t efi_watchdog_register(void);
546efi_status_t efi_initrd_register(void);
547void efi_initrd_deregister(void);
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556efi_status_t efi_acpi_register(void);
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564efi_status_t efi_smbios_register(void);
565
566struct efi_simple_file_system_protocol *
567efi_fs_from_path(struct efi_device_path *fp);
568
569
570efi_status_t efi_set_watchdog(unsigned long timeout);
571
572
573void efi_timer_check(void);
574
575efi_status_t efi_check_pe(void *buffer, size_t size, void **nt_header);
576
577efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle,
578 void *efi, size_t efi_size,
579 struct efi_loaded_image *loaded_image_info);
580
581void efi_save_gd(void);
582
583void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
584
585void efi_add_handle(efi_handle_t obj);
586
587efi_status_t efi_create_handle(efi_handle_t *handle);
588
589void efi_delete_handle(efi_handle_t obj);
590
591struct efi_object *efi_search_obj(const efi_handle_t handle);
592
593efi_status_t EFIAPI efi_load_image(bool boot_policy,
594 efi_handle_t parent_image,
595 struct efi_device_path *file_path,
596 void *source_buffer,
597 efi_uintn_t source_size,
598 efi_handle_t *image_handle);
599
600efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
601 efi_uintn_t *exit_data_size,
602 u16 **exit_data);
603
604efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle);
605
606efi_status_t efi_search_protocol(const efi_handle_t handle,
607 const efi_guid_t *protocol_guid,
608 struct efi_handler **handler);
609
610efi_status_t efi_add_protocol(const efi_handle_t handle,
611 const efi_guid_t *protocol,
612 void *protocol_interface);
613
614efi_status_t efi_protocol_open(struct efi_handler *handler,
615 void **protocol_interface, void *agent_handle,
616 void *controller_handle, uint32_t attributes);
617
618
619efi_status_t efi_remove_protocol(const efi_handle_t handle,
620 const efi_guid_t *protocol,
621 void *protocol_interface);
622
623efi_status_t efi_remove_all_protocols(const efi_handle_t handle);
624
625efi_status_t EFIAPI efi_install_multiple_protocol_interfaces
626 (efi_handle_t *handle, ...);
627
628efi_status_t EFIAPI efi_locate_handle_buffer(
629 enum efi_locate_search_type search_type,
630 const efi_guid_t *protocol, void *search_key,
631 efi_uintn_t *no_handles, efi_handle_t **buffer);
632
633efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle,
634 const efi_guid_t *protocol,
635 efi_handle_t agent_handle,
636 efi_handle_t controller_handle);
637
638efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle,
639 const efi_guid_t *protocol,
640 void **protocol_interface);
641
642efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
643 void (EFIAPI *notify_function) (
644 struct efi_event *event,
645 void *context),
646 void *notify_context, efi_guid_t *group,
647 struct efi_event **event);
648
649efi_status_t efi_set_timer(struct efi_event *event, enum efi_timer_delay type,
650 uint64_t trigger_time);
651
652void efi_signal_event(struct efi_event *event);
653
654
655struct efi_simple_file_system_protocol *efi_simple_file_system(
656 struct blk_desc *desc, int part, struct efi_device_path *dp);
657
658
659struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp);
660
661
662efi_status_t EFIAPI efi_register_protocol_notify(const efi_guid_t *protocol,
663 struct efi_event *event,
664 void **registration);
665efi_status_t efi_file_size(struct efi_file_handle *fh, efi_uintn_t *size);
666
667
668struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t guid);
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678
679#define efi_size_in_pages(size) (((size) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
680
681void *efi_alloc(uint64_t len, int memory_type);
682
683void *efi_alloc_aligned_pages(u64 len, int memory_type, size_t align);
684
685efi_status_t efi_allocate_pages(enum efi_allocate_type type,
686 enum efi_memory_type memory_type,
687 efi_uintn_t pages, uint64_t *memory);
688
689efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages);
690
691efi_status_t efi_allocate_pool(enum efi_memory_type pool_type,
692 efi_uintn_t size, void **buffer);
693
694efi_status_t efi_free_pool(void *buffer);
695
696efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
697 struct efi_mem_desc *memory_map,
698 efi_uintn_t *map_key,
699 efi_uintn_t *descriptor_size,
700 uint32_t *descriptor_version);
701
702efi_status_t efi_add_memory_map(u64 start, u64 size, int memory_type);
703
704efi_status_t efi_add_conventional_memory_map(u64 ram_start, u64 ram_end,
705 u64 ram_top);
706
707
708efi_status_t efi_driver_init(void);
709
710int efi_memory_init(void);
711
712efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table);
713
714efi_status_t efi_setup_loaded_image(struct efi_device_path *device_path,
715 struct efi_device_path *file_path,
716 struct efi_loaded_image_obj **handle_ptr,
717 struct efi_loaded_image **info_ptr);
718
719#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
720extern void *efi_bounce_buffer;
721#define EFI_LOADER_BOUNCE_BUFFER_SIZE (64 * 1024 * 1024)
722#endif
723
724
725struct efi_device_path *efi_dp_next(const struct efi_device_path *dp);
726int efi_dp_match(const struct efi_device_path *a,
727 const struct efi_device_path *b);
728struct efi_object *efi_dp_find_obj(struct efi_device_path *dp,
729 struct efi_device_path **rem);
730
731efi_uintn_t efi_dp_instance_size(const struct efi_device_path *dp);
732
733efi_uintn_t efi_dp_size(const struct efi_device_path *dp);
734struct efi_device_path *efi_dp_dup(const struct efi_device_path *dp);
735struct efi_device_path *efi_dp_append(const struct efi_device_path *dp1,
736 const struct efi_device_path *dp2);
737struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp,
738 const struct efi_device_path *node);
739
740struct efi_device_path *efi_dp_create_device_node(const u8 type,
741 const u8 sub_type,
742 const u16 length);
743
744struct efi_device_path *efi_dp_append_instance(
745 const struct efi_device_path *dp,
746 const struct efi_device_path *dpi);
747
748struct efi_device_path *efi_dp_get_next_instance(struct efi_device_path **dp,
749 efi_uintn_t *size);
750
751bool efi_dp_is_multi_instance(const struct efi_device_path *dp);
752
753struct efi_device_path *efi_dp_from_part(struct blk_desc *desc, int part);
754
755struct efi_device_path *efi_dp_part_node(struct blk_desc *desc, int part);
756struct efi_device_path *efi_dp_from_file(struct blk_desc *desc, int part,
757 const char *path);
758struct efi_device_path *efi_dp_from_eth(void);
759struct efi_device_path *efi_dp_from_mem(uint32_t mem_type,
760 uint64_t start_address,
761 uint64_t end_address);
762
763const struct efi_device_path *efi_dp_last_node(
764 const struct efi_device_path *dp);
765efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
766 struct efi_device_path **device_path,
767 struct efi_device_path **file_path);
768efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
769 const char *path,
770 struct efi_device_path **device,
771 struct efi_device_path **file);
772ssize_t efi_dp_check_length(const struct efi_device_path *dp,
773 const size_t maxlen);
774
775#define EFI_DP_TYPE(_dp, _type, _subtype) \
776 (((_dp)->type == DEVICE_PATH_TYPE_##_type) && \
777 ((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype))
778
779
780efi_status_t efi_init_runtime_supported(void);
781
782
783void __efi_runtime efi_update_table_header_crc32(struct efi_table_hdr *table);
784
785
786
787void __efi_runtime EFIAPI efi_reset_system(
788 enum efi_reset_type reset_type,
789 efi_status_t reset_status,
790 unsigned long data_size, void *reset_data);
791
792
793efi_status_t efi_reset_system_init(void);
794
795efi_status_t __efi_runtime EFIAPI efi_get_time(
796 struct efi_time *time,
797 struct efi_time_cap *capabilities);
798
799efi_status_t __efi_runtime EFIAPI efi_set_time(struct efi_time *time);
800
801#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
802
803
804
805
806efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle,
807 struct efi_system_table *systab);
808#endif
809
810efi_status_t EFIAPI efi_get_variable(u16 *variable_name,
811 const efi_guid_t *vendor, u32 *attributes,
812 efi_uintn_t *data_size, void *data);
813efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
814 u16 *variable_name,
815 efi_guid_t *vendor);
816efi_status_t EFIAPI efi_set_variable(u16 *variable_name,
817 const efi_guid_t *vendor, u32 attributes,
818 efi_uintn_t data_size, const void *data);
819
820efi_status_t EFIAPI efi_query_variable_info(
821 u32 attributes, u64 *maximum_variable_storage_size,
822 u64 *remaining_variable_storage_size,
823 u64 *maximum_variable_size);
824
825void *efi_get_var(const u16 *name, const efi_guid_t *vendor, efi_uintn_t *size);
826
827
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829
830
831
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839
840struct efi_load_option {
841 u32 attributes;
842 u16 file_path_length;
843 u16 *label;
844 struct efi_device_path *file_path;
845 const u8 *optional_data;
846};
847
848struct efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
849 const efi_guid_t *guid);
850struct efi_device_path *efi_dp_concat(const struct efi_device_path *dp1,
851 const struct efi_device_path *dp2);
852struct efi_device_path *search_gpt_dp_node(struct efi_device_path *device_path);
853efi_status_t efi_deserialize_load_option(struct efi_load_option *lo, u8 *data,
854 efi_uintn_t *size);
855unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data);
856efi_status_t efi_set_load_options(efi_handle_t handle,
857 efi_uintn_t load_options_size,
858 void *load_options);
859efi_status_t efi_bootmgr_load(efi_handle_t *handle, void **load_options);
860
861
862
863
864
865
866
867
868struct efi_image_regions {
869 int max;
870 int num;
871 struct image_region reg[];
872};
873
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882
883
884
885struct efi_sig_data {
886 struct efi_sig_data *next;
887 efi_guid_t owner;
888 void *data;
889 size_t size;
890};
891
892
893
894
895
896
897
898
899
900
901struct efi_signature_store {
902 struct efi_signature_store *next;
903 efi_guid_t sig_type;
904 struct efi_sig_data *sig_data_list;
905};
906
907struct x509_certificate;
908struct pkcs7_message;
909
910bool efi_signature_lookup_digest(struct efi_image_regions *regs,
911 struct efi_signature_store *db);
912bool efi_signature_verify(struct efi_image_regions *regs,
913 struct pkcs7_message *msg,
914 struct efi_signature_store *db,
915 struct efi_signature_store *dbx);
916static inline bool efi_signature_verify_one(struct efi_image_regions *regs,
917 struct pkcs7_message *msg,
918 struct efi_signature_store *db)
919{
920 return efi_signature_verify(regs, msg, db, NULL);
921}
922bool efi_signature_check_signers(struct pkcs7_message *msg,
923 struct efi_signature_store *dbx);
924
925efi_status_t efi_image_region_add(struct efi_image_regions *regs,
926 const void *start, const void *end,
927 int nocheck);
928
929void efi_sigstore_free(struct efi_signature_store *sigstore);
930struct efi_signature_store *efi_build_signature_store(void *sig_list,
931 efi_uintn_t size);
932struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name);
933
934bool efi_secure_boot_enabled(void);
935
936bool efi_capsule_auth_enabled(void);
937
938void *efi_prepare_aligned_image(void *efi, u64 *efi_size);
939
940bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
941 WIN_CERTIFICATE **auth, size_t *auth_len);
942
943struct pkcs7_message *efi_parse_pkcs7_header(const void *buf,
944 size_t buflen,
945 u8 **tmpbuf);
946
947
948void efi_memcpy_runtime(void *dest, const void *src, size_t n);
949
950
951u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name,
952 unsigned int index);
953
954extern const struct efi_firmware_management_protocol efi_fmp_fit;
955extern const struct efi_firmware_management_protocol efi_fmp_raw;
956
957
958efi_status_t EFIAPI efi_update_capsule(
959 struct efi_capsule_header **capsule_header_array,
960 efi_uintn_t capsule_count,
961 u64 scatter_gather_list);
962efi_status_t EFIAPI efi_query_capsule_caps(
963 struct efi_capsule_header **capsule_header_array,
964 efi_uintn_t capsule_count,
965 u64 *maximum_capsule_size,
966 u32 *reset_type);
967
968efi_status_t efi_capsule_authenticate(const void *capsule,
969 efi_uintn_t capsule_size,
970 void **image, efi_uintn_t *image_size);
971
972#define EFI_CAPSULE_DIR L"\\EFI\\UpdateCapsule\\"
973
974
975
976
977
978
979efi_status_t efi_esrt_register(void);
980
981
982
983
984
985
986
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988
989
990
991efi_status_t efi_esrt_populate(void);
992efi_status_t efi_load_capsule_drivers(void);
993
994efi_status_t platform_get_eventlog(struct udevice *dev, u64 *addr, u32 *sz);
995#endif
996