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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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79
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_system_partition_guid;
265
266extern const efi_guid_t efi_guid_driver_binding_protocol;
267
268extern const efi_guid_t efi_guid_event_group_exit_boot_services;
269
270extern const efi_guid_t efi_guid_event_group_virtual_address_change;
271
272extern const efi_guid_t efi_guid_event_group_memory_map_change;
273
274extern const efi_guid_t efi_guid_event_group_ready_to_boot;
275
276extern const efi_guid_t efi_guid_event_group_reset_system;
277
278extern const efi_guid_t efi_guid_fdt;
279extern const efi_guid_t efi_guid_loaded_image;
280extern const efi_guid_t efi_guid_loaded_image_device_path;
281extern const efi_guid_t efi_guid_device_path_to_text_protocol;
282extern const efi_guid_t efi_simple_file_system_protocol_guid;
283extern const efi_guid_t efi_file_info_guid;
284
285extern const efi_guid_t efi_file_system_info_guid;
286extern const efi_guid_t efi_guid_device_path_utilities_protocol;
287
288extern const efi_guid_t efi_guid_unicode_collation_protocol;
289
290extern const efi_guid_t efi_guid_load_file_protocol;
291extern const efi_guid_t efi_guid_load_file2_protocol;
292
293extern const efi_guid_t efi_guid_unicode_collation_protocol2;
294extern const efi_guid_t efi_guid_hii_config_routing_protocol;
295extern const efi_guid_t efi_guid_hii_config_access_protocol;
296extern const efi_guid_t efi_guid_hii_database_protocol;
297extern const efi_guid_t efi_guid_hii_string_protocol;
298
299extern const efi_guid_t efi_guid_image_security_database;
300extern const efi_guid_t efi_guid_sha256;
301extern const efi_guid_t efi_guid_cert_x509;
302extern const efi_guid_t efi_guid_cert_x509_sha256;
303extern const efi_guid_t efi_guid_cert_x509_sha384;
304extern const efi_guid_t efi_guid_cert_x509_sha512;
305extern const efi_guid_t efi_guid_cert_type_pkcs7;
306
307
308extern const efi_guid_t efi_guid_rng_protocol;
309
310extern const efi_guid_t efi_guid_capsule_report;
311
312extern const efi_guid_t efi_guid_firmware_management_protocol;
313
314extern const efi_guid_t efi_esrt_guid;
315
316extern const efi_guid_t smbios_guid;
317
318extern char __efi_runtime_start[], __efi_runtime_stop[];
319extern char __efi_runtime_rel_start[], __efi_runtime_rel_stop[];
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330struct efi_open_protocol_info_item {
331 struct list_head link;
332 struct efi_open_protocol_info_entry info;
333};
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347struct efi_handler {
348 struct list_head link;
349 const efi_guid_t guid;
350 void *protocol_interface;
351 struct list_head open_infos;
352};
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359
360enum efi_object_type {
361
362 EFI_OBJECT_TYPE_UNDEFINED = 0,
363
364 EFI_OBJECT_TYPE_U_BOOT_FIRMWARE,
365
366 EFI_OBJECT_TYPE_LOADED_IMAGE,
367
368 EFI_OBJECT_TYPE_STARTED_IMAGE,
369};
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389
390struct efi_object {
391
392 struct list_head link;
393
394 struct list_head protocols;
395 enum efi_object_type type;
396 struct udevice *dev;
397};
398
399enum efi_image_auth_status {
400 EFI_IMAGE_AUTH_FAILED = 0,
401 EFI_IMAGE_AUTH_PASSED,
402};
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416struct efi_loaded_image_obj {
417 struct efi_object header;
418 efi_status_t *exit_status;
419 efi_uintn_t *exit_data_size;
420 u16 **exit_data;
421 struct jmp_buf_data *exit_jmp;
422 EFIAPI efi_status_t (*entry)(efi_handle_t image_handle,
423 struct efi_system_table *st);
424 u16 image_type;
425 enum efi_image_auth_status auth_status;
426};
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443struct efi_event {
444 struct list_head link;
445 struct list_head queue_link;
446 uint32_t type;
447 efi_uintn_t notify_tpl;
448 void (EFIAPI *notify_function)(struct efi_event *event, void *context);
449 void *notify_context;
450 const efi_guid_t *group;
451 u64 trigger_next;
452 u64 trigger_time;
453 enum efi_timer_delay trigger_type;
454 bool is_signaled;
455};
456
457
458extern struct list_head efi_obj_list;
459
460extern struct list_head efi_events;
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471
472struct efi_protocol_notification {
473 struct list_head link;
474 efi_handle_t handle;
475};
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490struct efi_register_notify_event {
491 struct list_head link;
492 struct efi_event *event;
493 efi_guid_t protocol;
494 struct list_head handles;
495};
496
497
498extern struct list_head efi_register_notify_events;
499
500
501int efi_init_early(void);
502
503efi_status_t efi_init_obj_list(void);
504
505void efi_setup_console_size(void);
506
507efi_status_t efi_install_fdt(void *fdt);
508
509efi_status_t efi_run_image(void *source_buffer, efi_uintn_t source_size);
510
511efi_status_t efi_init_variables(void);
512
513void efi_variables_boot_exit_notify(void);
514efi_status_t efi_tcg2_notify_exit_boot_services_failed(void);
515
516efi_status_t efi_tcg2_measure_efi_app_invocation(struct efi_loaded_image_obj *handle);
517
518efi_status_t efi_tcg2_measure_efi_app_exit(void);
519
520efi_status_t efi_root_node_register(void);
521
522efi_status_t efi_initialize_system_table(void);
523
524void efi_runtime_detach(void);
525
526efi_status_t EFIAPI efi_convert_pointer(efi_uintn_t debug_disposition,
527 void **address);
528
529void efi_carve_out_dt_rsv(void *fdt);
530
531void efi_try_purge_kaslr_seed(void *fdt);
532
533efi_status_t efi_console_register(void);
534
535efi_status_t efi_disk_init(void);
536
537efi_status_t efi_disks_register(void);
538
539efi_status_t efi_rng_register(void);
540
541efi_status_t efi_tcg2_register(void);
542
543efi_status_t efi_riscv_register(void);
544
545efi_status_t efi_tcg2_do_initial_measurement(void);
546
547efi_status_t tcg2_measure_pe_image(void *efi, u64 efi_size,
548 struct efi_loaded_image_obj *handle,
549 struct efi_loaded_image *loaded_image_info);
550
551int efi_disk_create_partitions(efi_handle_t parent, struct blk_desc *desc,
552 const char *if_typename, int diskid,
553 const char *pdevname);
554
555efi_status_t efi_gop_register(void);
556
557efi_status_t efi_net_register(void);
558
559efi_status_t efi_watchdog_register(void);
560efi_status_t efi_initrd_register(void);
561void efi_initrd_deregister(void);
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570efi_status_t efi_acpi_register(void);
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578efi_status_t efi_smbios_register(void);
579
580struct efi_simple_file_system_protocol *
581efi_fs_from_path(struct efi_device_path *fp);
582
583
584efi_status_t efi_set_watchdog(unsigned long timeout);
585
586
587void efi_timer_check(void);
588
589efi_status_t efi_check_pe(void *buffer, size_t size, void **nt_header);
590
591efi_status_t efi_load_pe(struct efi_loaded_image_obj *handle,
592 void *efi, size_t efi_size,
593 struct efi_loaded_image *loaded_image_info);
594
595void efi_save_gd(void);
596
597void efi_runtime_relocate(ulong offset, struct efi_mem_desc *map);
598
599void efi_get_image_parameters(void **img_addr, size_t *img_size);
600
601void efi_add_handle(efi_handle_t obj);
602
603efi_status_t efi_create_handle(efi_handle_t *handle);
604
605void efi_delete_handle(efi_handle_t obj);
606
607struct efi_object *efi_search_obj(const efi_handle_t handle);
608
609efi_status_t EFIAPI efi_locate_device_path(const efi_guid_t *protocol,
610 struct efi_device_path **device_path,
611 efi_handle_t *device);
612
613efi_status_t EFIAPI efi_load_image(bool boot_policy,
614 efi_handle_t parent_image,
615 struct efi_device_path *file_path,
616 void *source_buffer,
617 efi_uintn_t source_size,
618 efi_handle_t *image_handle);
619
620efi_status_t EFIAPI efi_start_image(efi_handle_t image_handle,
621 efi_uintn_t *exit_data_size,
622 u16 **exit_data);
623
624efi_status_t EFIAPI efi_unload_image(efi_handle_t image_handle);
625
626efi_status_t efi_search_protocol(const efi_handle_t handle,
627 const efi_guid_t *protocol_guid,
628 struct efi_handler **handler);
629
630efi_status_t efi_add_protocol(const efi_handle_t handle,
631 const efi_guid_t *protocol,
632 void *protocol_interface);
633
634efi_status_t efi_protocol_open(struct efi_handler *handler,
635 void **protocol_interface, void *agent_handle,
636 void *controller_handle, uint32_t attributes);
637
638
639efi_status_t efi_remove_protocol(const efi_handle_t handle,
640 const efi_guid_t *protocol,
641 void *protocol_interface);
642
643efi_status_t efi_remove_all_protocols(const efi_handle_t handle);
644
645efi_status_t EFIAPI efi_install_multiple_protocol_interfaces
646 (efi_handle_t *handle, ...);
647
648efi_status_t EFIAPI efi_locate_handle_buffer(
649 enum efi_locate_search_type search_type,
650 const efi_guid_t *protocol, void *search_key,
651 efi_uintn_t *no_handles, efi_handle_t **buffer);
652
653efi_status_t EFIAPI efi_close_protocol(efi_handle_t handle,
654 const efi_guid_t *protocol,
655 efi_handle_t agent_handle,
656 efi_handle_t controller_handle);
657
658efi_status_t EFIAPI efi_handle_protocol(efi_handle_t handle,
659 const efi_guid_t *protocol,
660 void **protocol_interface);
661
662efi_status_t efi_create_event(uint32_t type, efi_uintn_t notify_tpl,
663 void (EFIAPI *notify_function) (
664 struct efi_event *event,
665 void *context),
666 void *notify_context, efi_guid_t *group,
667 struct efi_event **event);
668
669efi_status_t efi_set_timer(struct efi_event *event, enum efi_timer_delay type,
670 uint64_t trigger_time);
671
672void efi_signal_event(struct efi_event *event);
673
674
675bool efi_disk_is_removable(efi_handle_t handle);
676
677
678struct efi_simple_file_system_protocol *efi_simple_file_system(
679 struct blk_desc *desc, int part, struct efi_device_path *dp);
680
681
682struct efi_file_handle *efi_file_from_path(struct efi_device_path *fp);
683
684
685efi_status_t EFIAPI efi_register_protocol_notify(const efi_guid_t *protocol,
686 struct efi_event *event,
687 void **registration);
688efi_status_t efi_file_size(struct efi_file_handle *fh, efi_uintn_t *size);
689
690
691struct efi_device_path *efi_get_dp_from_boot(const efi_guid_t guid);
692
693
694const char *guid_to_sha_str(const efi_guid_t *guid);
695int algo_to_len(const char *algo);
696
697int efi_link_dev(efi_handle_t handle, struct udevice *dev);
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707
708#define efi_size_in_pages(size) (((size) + EFI_PAGE_MASK) >> EFI_PAGE_SHIFT)
709
710void *efi_alloc(uint64_t len, int memory_type);
711
712void *efi_alloc_aligned_pages(u64 len, int memory_type, size_t align);
713
714efi_status_t efi_allocate_pages(enum efi_allocate_type type,
715 enum efi_memory_type memory_type,
716 efi_uintn_t pages, uint64_t *memory);
717
718efi_status_t efi_free_pages(uint64_t memory, efi_uintn_t pages);
719
720efi_status_t efi_allocate_pool(enum efi_memory_type pool_type,
721 efi_uintn_t size, void **buffer);
722
723efi_status_t efi_free_pool(void *buffer);
724
725efi_status_t efi_get_memory_map(efi_uintn_t *memory_map_size,
726 struct efi_mem_desc *memory_map,
727 efi_uintn_t *map_key,
728 efi_uintn_t *descriptor_size,
729 uint32_t *descriptor_version);
730
731efi_status_t efi_add_memory_map(u64 start, u64 size, int memory_type);
732
733efi_status_t efi_add_conventional_memory_map(u64 ram_start, u64 ram_end,
734 u64 ram_top);
735
736
737efi_status_t efi_driver_init(void);
738
739int efi_memory_init(void);
740
741efi_status_t efi_install_configuration_table(const efi_guid_t *guid, void *table);
742
743efi_status_t efi_setup_loaded_image(struct efi_device_path *device_path,
744 struct efi_device_path *file_path,
745 struct efi_loaded_image_obj **handle_ptr,
746 struct efi_loaded_image **info_ptr);
747
748#ifdef CONFIG_EFI_LOADER_BOUNCE_BUFFER
749extern void *efi_bounce_buffer;
750#define EFI_LOADER_BOUNCE_BUFFER_SIZE (64 * 1024 * 1024)
751#endif
752
753
754struct efi_device_path *efi_dp_shorten(struct efi_device_path *dp);
755struct efi_device_path *efi_dp_next(const struct efi_device_path *dp);
756int efi_dp_match(const struct efi_device_path *a,
757 const struct efi_device_path *b);
758efi_handle_t efi_dp_find_obj(struct efi_device_path *dp,
759 const efi_guid_t *guid,
760 struct efi_device_path **rem);
761
762efi_uintn_t efi_dp_instance_size(const struct efi_device_path *dp);
763
764efi_uintn_t efi_dp_size(const struct efi_device_path *dp);
765struct efi_device_path *efi_dp_dup(const struct efi_device_path *dp);
766struct efi_device_path *efi_dp_append(const struct efi_device_path *dp1,
767 const struct efi_device_path *dp2);
768struct efi_device_path *efi_dp_append_node(const struct efi_device_path *dp,
769 const struct efi_device_path *node);
770
771struct efi_device_path *efi_dp_create_device_node(const u8 type,
772 const u8 sub_type,
773 const u16 length);
774
775struct efi_device_path *efi_dp_append_instance(
776 const struct efi_device_path *dp,
777 const struct efi_device_path *dpi);
778
779struct efi_device_path *efi_dp_get_next_instance(struct efi_device_path **dp,
780 efi_uintn_t *size);
781
782bool efi_dp_is_multi_instance(const struct efi_device_path *dp);
783
784struct efi_device_path *efi_dp_from_part(struct blk_desc *desc, int part);
785
786struct efi_device_path *efi_dp_part_node(struct blk_desc *desc, int part);
787struct efi_device_path *efi_dp_from_file(struct blk_desc *desc, int part,
788 const char *path);
789struct efi_device_path *efi_dp_from_eth(void);
790struct efi_device_path *efi_dp_from_mem(uint32_t mem_type,
791 uint64_t start_address,
792 uint64_t end_address);
793
794const struct efi_device_path *efi_dp_last_node(
795 const struct efi_device_path *dp);
796efi_status_t efi_dp_split_file_path(struct efi_device_path *full_path,
797 struct efi_device_path **device_path,
798 struct efi_device_path **file_path);
799struct efi_device_path *efi_dp_from_uart(void);
800efi_status_t efi_dp_from_name(const char *dev, const char *devnr,
801 const char *path,
802 struct efi_device_path **device,
803 struct efi_device_path **file);
804ssize_t efi_dp_check_length(const struct efi_device_path *dp,
805 const size_t maxlen);
806
807#define EFI_DP_TYPE(_dp, _type, _subtype) \
808 (((_dp)->type == DEVICE_PATH_TYPE_##_type) && \
809 ((_dp)->sub_type == DEVICE_PATH_SUB_TYPE_##_subtype))
810
811
812extern const struct efi_device_path END;
813
814
815efi_status_t efi_init_runtime_supported(void);
816
817
818void __efi_runtime efi_update_table_header_crc32(struct efi_table_hdr *table);
819
820
821
822void __efi_runtime EFIAPI efi_reset_system(
823 enum efi_reset_type reset_type,
824 efi_status_t reset_status,
825 unsigned long data_size, void *reset_data);
826
827
828efi_status_t efi_reset_system_init(void);
829
830efi_status_t __efi_runtime EFIAPI efi_get_time(
831 struct efi_time *time,
832 struct efi_time_cap *capabilities);
833
834efi_status_t __efi_runtime EFIAPI efi_set_time(struct efi_time *time);
835
836#ifdef CONFIG_CMD_BOOTEFI_SELFTEST
837
838
839
840
841efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle,
842 struct efi_system_table *systab);
843#endif
844
845efi_status_t EFIAPI efi_get_variable(u16 *variable_name,
846 const efi_guid_t *vendor, u32 *attributes,
847 efi_uintn_t *data_size, void *data);
848efi_status_t EFIAPI efi_get_next_variable_name(efi_uintn_t *variable_name_size,
849 u16 *variable_name,
850 efi_guid_t *vendor);
851efi_status_t EFIAPI efi_set_variable(u16 *variable_name,
852 const efi_guid_t *vendor, u32 attributes,
853 efi_uintn_t data_size, const void *data);
854
855efi_status_t EFIAPI efi_query_variable_info(
856 u32 attributes, u64 *maximum_variable_storage_size,
857 u64 *remaining_variable_storage_size,
858 u64 *maximum_variable_size);
859
860void *efi_get_var(const u16 *name, const efi_guid_t *vendor, efi_uintn_t *size);
861
862
863
864
865
866
867
868
869
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871
872
873
874
875struct efi_load_option {
876 u32 attributes;
877 u16 file_path_length;
878 u16 *label;
879 struct efi_device_path *file_path;
880 const u8 *optional_data;
881};
882
883struct efi_device_path *efi_dp_from_lo(struct efi_load_option *lo,
884 const efi_guid_t *guid);
885struct efi_device_path *efi_dp_concat(const struct efi_device_path *dp1,
886 const struct efi_device_path *dp2);
887struct efi_device_path *search_gpt_dp_node(struct efi_device_path *device_path);
888efi_status_t efi_deserialize_load_option(struct efi_load_option *lo, u8 *data,
889 efi_uintn_t *size);
890unsigned long efi_serialize_load_option(struct efi_load_option *lo, u8 **data);
891efi_status_t efi_set_load_options(efi_handle_t handle,
892 efi_uintn_t load_options_size,
893 void *load_options);
894efi_status_t efi_bootmgr_load(efi_handle_t *handle, void **load_options);
895
896
897
898
899
900
901
902
903struct efi_image_regions {
904 int max;
905 int num;
906 struct image_region reg[];
907};
908
909
910
911
912
913
914
915
916
917
918
919
920struct efi_sig_data {
921 struct efi_sig_data *next;
922 efi_guid_t owner;
923 void *data;
924 size_t size;
925};
926
927
928
929
930
931
932
933
934
935
936struct efi_signature_store {
937 struct efi_signature_store *next;
938 efi_guid_t sig_type;
939 struct efi_sig_data *sig_data_list;
940};
941
942struct x509_certificate;
943struct pkcs7_message;
944
945bool efi_hash_regions(struct image_region *regs, int count,
946 void **hash, const char *hash_algo, int *len);
947bool efi_signature_lookup_digest(struct efi_image_regions *regs,
948 struct efi_signature_store *db,
949 bool dbx);
950bool efi_signature_verify(struct efi_image_regions *regs,
951 struct pkcs7_message *msg,
952 struct efi_signature_store *db,
953 struct efi_signature_store *dbx);
954static inline bool efi_signature_verify_one(struct efi_image_regions *regs,
955 struct pkcs7_message *msg,
956 struct efi_signature_store *db)
957{
958 return efi_signature_verify(regs, msg, db, NULL);
959}
960bool efi_signature_check_signers(struct pkcs7_message *msg,
961 struct efi_signature_store *dbx);
962
963efi_status_t efi_image_region_add(struct efi_image_regions *regs,
964 const void *start, const void *end,
965 int nocheck);
966
967void efi_sigstore_free(struct efi_signature_store *sigstore);
968struct efi_signature_store *efi_build_signature_store(void *sig_list,
969 efi_uintn_t size);
970struct efi_signature_store *efi_sigstore_parse_sigdb(u16 *name);
971
972bool efi_secure_boot_enabled(void);
973
974bool efi_capsule_auth_enabled(void);
975
976void *efi_prepare_aligned_image(void *efi, u64 *efi_size);
977
978bool efi_image_parse(void *efi, size_t len, struct efi_image_regions **regp,
979 WIN_CERTIFICATE **auth, size_t *auth_len);
980
981struct pkcs7_message *efi_parse_pkcs7_header(const void *buf,
982 size_t buflen,
983 u8 **tmpbuf);
984
985
986void efi_memcpy_runtime(void *dest, const void *src, size_t n);
987
988
989u16 *efi_create_indexed_name(u16 *buffer, size_t buffer_size, const char *name,
990 unsigned int index);
991
992extern const struct efi_firmware_management_protocol efi_fmp_fit;
993extern const struct efi_firmware_management_protocol efi_fmp_raw;
994
995
996efi_status_t EFIAPI efi_update_capsule(
997 struct efi_capsule_header **capsule_header_array,
998 efi_uintn_t capsule_count,
999 u64 scatter_gather_list);
1000efi_status_t EFIAPI efi_query_capsule_caps(
1001 struct efi_capsule_header **capsule_header_array,
1002 efi_uintn_t capsule_count,
1003 u64 *maximum_capsule_size,
1004 u32 *reset_type);
1005
1006efi_status_t efi_capsule_authenticate(const void *capsule,
1007 efi_uintn_t capsule_size,
1008 void **image, efi_uintn_t *image_size);
1009
1010#define EFI_CAPSULE_DIR u"\\EFI\\UpdateCapsule\\"
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024struct efi_fw_image {
1025 efi_guid_t image_type_id;
1026 u16 *fw_name;
1027 u8 image_index;
1028};
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040struct efi_capsule_update_info {
1041 const char *dfu_string;
1042 struct efi_fw_image *images;
1043};
1044
1045extern struct efi_capsule_update_info update_info;
1046extern u8 num_image_type_guids;
1047
1048
1049
1050
1051
1052
1053efi_status_t efi_esrt_register(void);
1054
1055
1056
1057
1058
1059
1060efi_status_t efi_ecpt_register(void);
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072efi_status_t efi_esrt_populate(void);
1073efi_status_t efi_load_capsule_drivers(void);
1074
1075efi_status_t platform_get_eventlog(struct udevice *dev, u64 *addr, u32 *sz);
1076#endif
1077