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efi_loader: define UpdateCapsule api

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In this commit, skeleton functions for capsule-related API's are
added under CONFIG_EFI_UPDATE_CAPSULE configuration.
Detailed implementation for a specific capsule type will be added
in the succeeding patches.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
This commit is contained in:
AKASHI Takahiro
2020-11-17 09:27:55 +09:00
committed by Heinrich Schuchardt
parent 96ec4b1a18
commit 2bc27ca8a0
7 changed files with 316 additions and 54 deletions
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12
include/efi_api.h
View File

@@ -217,6 +217,10 @@ enum efi_reset_type {
#define CAPSULE_FLAGS_POPULATE_SYSTEM_TABLE 0x00020000
#define CAPSULE_FLAGS_INITIATE_RESET 0x00040000
#define EFI_CAPSULE_REPORT_GUID \
EFI_GUID(0x39b68c46, 0xf7fb, 0x441b, 0xb6, 0xec, \
0x16, 0xb0, 0xf6, 0x98, 0x21, 0xf3)
struct efi_capsule_header {
efi_guid_t capsule_guid;
u32 header_size;
@@ -224,6 +228,14 @@ struct efi_capsule_header {
u32 capsule_image_size;
} __packed;
struct efi_capsule_result_variable_header {
u32 variable_total_size;
u32 reserved;
efi_guid_t capsule_guid;
struct efi_time capsule_processed;
efi_status_t capsule_status;
} __packed;
#define EFI_RT_SUPPORTED_GET_TIME 0x0001
#define EFI_RT_SUPPORTED_SET_TIME 0x0002
#define EFI_RT_SUPPORTED_GET_WAKEUP_TIME 0x0004

13
include/efi_loader.h
View File

@@ -210,6 +210,8 @@ extern const efi_guid_t efi_guid_cert_type_pkcs7;
/* GUID of RNG protocol */
extern const efi_guid_t efi_guid_rng_protocol;
/* GUID of capsule update result */
extern const efi_guid_t efi_guid_capsule_report;
extern unsigned int __efi_runtime_start, __efi_runtime_stop;
extern unsigned int __efi_runtime_rel_start, __efi_runtime_rel_stop;
@@ -812,6 +814,17 @@ void efi_memcpy_runtime(void *dest, const void *src, size_t n);
/* commonly used helper function */
u16 *efi_create_indexed_name(u16 *buffer, const char *name, unsigned int index);
/* Capsule update */
efi_status_t EFIAPI efi_update_capsule(
struct efi_capsule_header **capsule_header_array,
efi_uintn_t capsule_count,
u64 scatter_gather_list);
efi_status_t EFIAPI efi_query_capsule_caps(
struct efi_capsule_header **capsule_header_array,
efi_uintn_t capsule_count,
u64 *maximum_capsule_size,
u32 *reset_type);
#else /* CONFIG_IS_ENABLED(EFI_LOADER) */
/* Without CONFIG_EFI_LOADER we don't have a runtime section, stub it out */