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/** @file
This library is used by other modules to measure Firmware to TPM.
Copyright (c) 2020, Intel Corporation. All rights reserved. <BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _TCG_EVENTLOGRECORD_LIB_H_
#define _TCG_EVENTLOGRECORD_LIB_H_
#include <Uefi.h>
#pragma pack (1)
#define PLATFORM_FIRMWARE_BLOB_DESC "Fv(XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX)"
typedef struct {
UINT8 BlobDescriptionSize;
UINT8 BlobDescription[sizeof(PLATFORM_FIRMWARE_BLOB_DESC)];
EFI_PHYSICAL_ADDRESS BlobBase;
UINT64 BlobLength;
} PLATFORM_FIRMWARE_BLOB2_STRUCT;
#define HANDOFF_TABLE_POINTER_DESC "1234567890ABCDEF"
typedef struct {
UINT8 TableDescriptionSize;
UINT8 TableDescription[sizeof(HANDOFF_TABLE_POINTER_DESC)];
UINT64 NumberOfTables;
EFI_CONFIGURATION_TABLE TableEntry[1];
} HANDOFF_TABLE_POINTERS2_STRUCT;
#pragma pack ()
/**
Get the FvName from the FV header.
Causion: The FV is untrusted input.
@param[in] FvBase Base address of FV image.
@param[in] FvLength Length of FV image.
@return FvName pointer
@retval NULL FvName is NOT found
**/
VOID *
TpmMeasurementGetFvName (
IN EFI_PHYSICAL_ADDRESS FvBase,
IN UINT64 FvLength
);
/**
Measure a FirmwareBlob.
@param[in] PcrIndex PCR Index.
@param[in] Description Description for this FirmwareBlob.
@param[in] FirmwareBlobBase Base address of this FirmwareBlob.
@param[in] FirmwareBlobLength Size in bytes of this FirmwareBlob.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_UNSUPPORTED TPM device not available.
@retval EFI_OUT_OF_RESOURCES Out of memory.
@retval EFI_DEVICE_ERROR The operation was unsuccessful.
*/
EFI_STATUS
EFIAPI
MeasureFirmwareBlob (
IN UINT32 PcrIndex,
IN CHAR8 *Description OPTIONAL,
IN EFI_PHYSICAL_ADDRESS FirmwareBlobBase,
IN UINT64 FirmwareBlobLength
);
/**
Measure a HandoffTable.
@param[in] PcrIndex PcrIndex of the measurement.
@param[in] Description Description for this HandoffTable.
@param[in] TableGuid GUID of this HandoffTable.
@param[in] TableAddress Base address of this HandoffTable.
@param[in] TableLength Size in bytes of this HandoffTable.
@retval EFI_SUCCESS Operation completed successfully.
@retval EFI_UNSUPPORTED TPM device not available.
@retval EFI_OUT_OF_RESOURCES Out of memory.
@retval EFI_DEVICE_ERROR The operation was unsuccessful.
*/
EFI_STATUS
EFIAPI
MeasureHandoffTable (
IN UINT32 PcrIndex,
IN CHAR8 *Description OPTIONAL,
IN EFI_GUID *TableGuid,
IN VOID *TableAddress,
IN UINTN TableLength
);
#endif
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