1 files changed, 148 insertions, 0 deletions
diff --git a/tools/eficapsule.h b/tools/eficapsule.h
new file mode 100644
index 00000000000..97d077536d5
--- /dev/null
+++ b/tools/eficapsule.h
@@ -0,0 +1,148 @@
+/* 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
+
+#define ARRAY_SIZE(x)		(sizeof(x) / sizeof((x)[0]))
+
+typedef struct efi_guid {
+	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_CERT_TYPE_PKCS7_GUID \
+	EFI_GUID(0x4aafd29d, 0x68df, 0x49ee, 0x8a, 0xa9, \
+		 0x34, 0x7d, 0x37, 0x56, 0x65, 0xa7)
+
+#define FW_ACCEPT_OS_GUID \
+	EFI_GUID(0x0c996046, 0xbcc0, 0x4d04, 0x85, 0xec, \
+		 0xe1, 0xfc, 0xed, 0xf1, 0xc6, 0xf8)
+
+#define FW_REVERT_OS_GUID \
+	EFI_GUID(0xacd58b4b, 0xc0e8, 0x475f, 0x99, 0xb5, \
+		 0x6b, 0x3f, 0x7e, 0x07, 0xaa, 0xf0)
+
+/* 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;
+	uint64_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;
+
+/* fmp payload header */
+#define SIGNATURE_16(A, B)	((A) | ((B) << 8))
+#define SIGNATURE_32(A, B, C, D)	\
+	(SIGNATURE_16(A, B) | (SIGNATURE_16(C, D) << 16))
+
+#define FMP_PAYLOAD_HDR_SIGNATURE	SIGNATURE_32('M', 'S', 'S', '1')
+
+/**
+ * struct fmp_payload_header - EDK2 header for the FMP payload
+ *
+ * This structure describes the header which is preprended to the
+ * FMP payload by the edk2 capsule generation scripts.
+ *
+ * @signature:			Header signature used to identify the header
+ * @header_size:		Size of the structure
+ * @fw_version:			Firmware versions used
+ * @lowest_supported_version:	Lowest supported version (not used)
+ */
+struct fmp_payload_header {
+	uint32_t signature;
+	uint32_t header_size;
+	uint32_t fw_version;
+	uint32_t lowest_supported_version;
+};
+
+struct fmp_payload_header_params {
+	bool have_header;
+	uint32_t fw_version;
+};
+
+#endif /* _EFI_CAPSULE_H */