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Diffstat (limited to 'tools/eficapsule.h')
| -rw-r--r-- | tools/eficapsule.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/tools/eficapsule.h b/tools/eficapsule.h new file mode 100644 index 0000000000..69c9c58c2f --- /dev/null +++ b/tools/eficapsule.h @@ -0,0 +1,116 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2021 Linaro Limited + * Author: AKASHI Takahiro + * + * derived from efi.h and efi_api.h to make the file POSIX-compliant + */ + +#ifndef _EFI_CAPSULE_H +#define _EFI_CAPSULE_H + +#include <stdint.h> + +/* + * Gcc's predefined attributes are not recognized by clang. + */ +#ifndef __packed +#define __packed __attribute__((__packed__)) +#endif + +#ifndef __aligned +#define __aligned(x) __attribute__((__aligned__(x))) +#endif + +typedef struct { + uint8_t b[16]; +} efi_guid_t __aligned(8); + +#define EFI_GUID(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \ + {{ (a) & 0xff, ((a) >> 8) & 0xff, ((a) >> 16) & 0xff, \ + ((a) >> 24) & 0xff, \ + (b) & 0xff, ((b) >> 8) & 0xff, \ + (c) & 0xff, ((c) >> 8) & 0xff, \ + (d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) } } + +#define EFI_FIRMWARE_MANAGEMENT_CAPSULE_ID_GUID \ + EFI_GUID(0x6dcbd5ed, 0xe82d, 0x4c44, 0xbd, 0xa1, \ + 0x71, 0x94, 0x19, 0x9a, 0xd9, 0x2a) + +#define EFI_FIRMWARE_IMAGE_TYPE_UBOOT_FIT_GUID \ + EFI_GUID(0xae13ff2d, 0x9ad4, 0x4e25, 0x9a, 0xc8, \ + 0x6d, 0x80, 0xb3, 0xb2, 0x21, 0x47) + +#define EFI_FIRMWARE_IMAGE_TYPE_UBOOT_RAW_GUID \ + EFI_GUID(0xe2bb9c06, 0x70e9, 0x4b14, 0x97, 0xa3, \ + 0x5a, 0x79, 0x13, 0x17, 0x6e, 0x3f) + +#define EFI_CERT_TYPE_PKCS7_GUID \ + EFI_GUID(0x4aafd29d, 0x68df, 0x49ee, 0x8a, 0xa9, \ + 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7) + +/* flags */ +#define CAPSULE_FLAGS_PERSIST_ACROSS_RESET 0x00010000 + +struct efi_capsule_header { + efi_guid_t capsule_guid; + uint32_t header_size; + uint32_t flags; + uint32_t capsule_image_size; +} __packed; + +struct efi_firmware_management_capsule_header { + uint32_t version; + uint16_t embedded_driver_count; + uint16_t payload_item_count; + uint32_t item_offset_list[]; +} __packed; + +/* image_capsule_support */ +#define CAPSULE_SUPPORT_AUTHENTICATION 0x0000000000000001 + +struct efi_firmware_management_capsule_image_header { + uint32_t version; + efi_guid_t update_image_type_id; + uint8_t update_image_index; + uint8_t reserved[3]; + uint32_t update_image_size; + uint32_t update_vendor_code_size; + uint64_t update_hardware_instance; + uint64_t image_capsule_support; +} __packed; + +/** + * win_certificate_uefi_guid - A certificate that encapsulates + * a GUID-specific signature + * + * @hdr: Windows certificate header, cf. WIN_CERTIFICATE + * @cert_type: Certificate type + */ +struct win_certificate_uefi_guid { + struct { + uint32_t dwLength; + uint16_t wRevision; + uint16_t wCertificateType; + } hdr; + efi_guid_t cert_type; +} __packed; + +/** + * efi_firmware_image_authentication - Capsule authentication method + * descriptor + * + * This structure describes an authentication information for + * a capsule with IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED set + * and should be included as part of the capsule. + * Only EFI_CERT_TYPE_PKCS7_GUID is accepted. + * + * @monotonic_count: Count to prevent replay + * @auth_info: Authentication info + */ +struct efi_firmware_image_authentication { + uint64_t monotonic_count; + struct win_certificate_uefi_guid auth_info; +} __packed; + +#endif /* _EFI_CAPSULE_H */ |