c1d932429e
signed off by: jiewen.yao@intel.com reviewed by: guo.dong@intel.com git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14687 6f19259b-4bc3-4df7-8a09-765794883524
55 lines
1.9 KiB
C
55 lines
1.9 KiB
C
/** @file
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This library abstract how to access TPM12 hardware device.
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Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _TPM12_DEVICE_LIB_H_
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#define _TPM12_DEVICE_LIB_H_
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#include <IndustryStandard/Tpm12.h>
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/**
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This service enables the sending of commands to the TPM12.
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@param[in] InputParameterBlockSize Size of the TPM12 input parameter block.
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@param[in] InputParameterBlock Pointer to the TPM12 input parameter block.
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@param[in,out] OutputParameterBlockSize Size of the TPM12 output parameter block.
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@param[in] OutputParameterBlock Pointer to the TPM12 output parameter block.
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@retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received.
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@retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device.
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@retval EFI_BUFFER_TOO_SMALL The output parameter block is too small.
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**/
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EFI_STATUS
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EFIAPI
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Tpm12SubmitCommand (
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IN UINT32 InputParameterBlockSize,
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IN UINT8 *InputParameterBlock,
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IN OUT UINT32 *OutputParameterBlockSize,
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IN UINT8 *OutputParameterBlock
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);
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/**
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This service requests use TPM12.
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@retval EFI_SUCCESS Get the control of TPM12 chip.
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@retval EFI_NOT_FOUND TPM12 not found.
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@retval EFI_DEVICE_ERROR Unexpected device behavior.
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**/
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EFI_STATUS
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EFIAPI
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Tpm12RequestUseTpm (
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VOID
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);
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#endif
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