1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright 2021 Linaro Limited
4 * Author: AKASHI Takahiro
6 * derived from efi.h and efi_api.h to make the file POSIX-compliant
10 #define _EFI_CAPSULE_H
15 * Gcc's predefined attributes are not recognized by clang.
18 #define __packed __attribute__((__packed__))
22 #define __aligned(x) __attribute__((__aligned__(x)))
27 } efi_guid_t __aligned(8);
29 #define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
30 {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, \
32 (b) & 0xff, ((b) >> 8) & 0xff, \
33 (c) & 0xff, ((c) >> 8) & 0xff, \
34 (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } }
36 #define EFI_FIRMWARE_MANAGEMENT_CAPSULE_ID_GUID \
37 EFI_GUID(0x6dcbd5ed, 0xe82d, 0x4c44, 0xbd, 0xa1, \
38 0x71, 0x94, 0x19, 0x9a, 0xd9, 0x2a)
40 #define EFI_FIRMWARE_IMAGE_TYPE_UBOOT_FIT_GUID \
41 EFI_GUID(0xae13ff2d, 0x9ad4, 0x4e25, 0x9a, 0xc8, \
42 0x6d, 0x80, 0xb3, 0xb2, 0x21, 0x47)
44 #define EFI_FIRMWARE_IMAGE_TYPE_UBOOT_RAW_GUID \
45 EFI_GUID(0xe2bb9c06, 0x70e9, 0x4b14, 0x97, 0xa3, \
46 0x5a, 0x79, 0x13, 0x17, 0x6e, 0x3f)
48 #define EFI_CERT_TYPE_PKCS7_GUID \
49 EFI_GUID(0x4aafd29d, 0x68df, 0x49ee, 0x8a, 0xa9, \
50 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7)
53 #define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000
55 struct efi_capsule_header {
56 efi_guid_t capsule_guid;
59 uint32_t capsule_image_size;
62 struct efi_firmware_management_capsule_header {
64 uint16_t embedded_driver_count;
65 uint16_t payload_item_count;
66 uint32_t item_offset_list[];
69 /* image_capsule_support */
70 #define CAPSULE_SUPPORT_AUTHENTICATION 0x0000000000000001
72 struct efi_firmware_management_capsule_image_header {
74 efi_guid_t update_image_type_id;
75 uint8_t update_image_index;
77 uint32_t update_image_size;
78 uint32_t update_vendor_code_size;
79 uint64_t update_hardware_instance;
80 uint64_t image_capsule_support;
84 * win_certificate_uefi_guid - A certificate that encapsulates
85 * a GUID-specific signature
87 * @hdr: Windows certificate header, cf. WIN_CERTIFICATE
88 * @cert_type: Certificate type
90 struct win_certificate_uefi_guid {
94 uint16_t wCertificateType;
100 * efi_firmware_image_authentication - Capsule authentication method
103 * This structure describes an authentication information for
104 * a capsule with IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED set
105 * and should be included as part of the capsule.
106 * Only EFI_CERT_TYPE_PKCS7_GUID is accepted.
108 * @monotonic_count: Count to prevent replay
109 * @auth_info: Authentication info
111 struct efi_firmware_image_authentication {
112 uint64_t monotonic_count;
113 struct win_certificate_uefi_guid auth_info;
116 #endif /* _EFI_CAPSULE_H */