Tpm12Pcr.c File Reference

#include <PiPei.h>
#include <Library/Tpm12CommandLib.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/Tpm12DeviceLib.h>

Go to the source code of this file.

Data Structures
struct	TPM_CMD_EXTEND
struct	TPM_RSP_EXTEND

Functions
EFI_STATUS EFIAPI	Tpm12Extend (IN TPM_DIGEST *DigestToExtend, IN TPM_PCRINDEX PcrIndex, OUT TPM_DIGEST *NewPcrValue)

Detailed Description

Implement TPM1.2 PCR related commands.

Copyright (c) 2016, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent

Definition in file Tpm12Pcr.c.

Function Documentation

Tpm12Extend()

EFI_STATUS EFIAPI Tpm12Extend	(	IN TPM_DIGEST *	DigestToExtend,
		IN TPM_PCRINDEX	PcrIndex,
		OUT TPM_DIGEST *	NewPcrValue
	)

Extend a TPM PCR.

Parameters

[in]	DigestToExtend	The 160 bit value representing the event to be recorded.
[in]	PcrIndex	The PCR to be updated.
[out]	NewPcrValue	New PCR value after extend.

Return values

EFI_SUCCESS	Operation completed successfully.
EFI_TIMEOUT	The register can't run into the expected status in time.
EFI_BUFFER_TOO_SMALL	Response data buffer is too small.
EFI_DEVICE_ERROR	Unexpected device behavior.

Definition at line 46 of file Tpm12Pcr.c.