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author | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
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committer | raywu <raywu0301@gmail.com> | 2018-06-15 00:00:50 +0800 |
commit | b7c51c9cf4864df6aabb99a1ae843becd577237c (patch) | |
tree | eebe9b0d0ca03062955223097e57da84dd618b9a /ReferenceCode/ME/SampleCode/Include/IndustryStandard/Tpm2DeviceLib.h | |
download | zprj-master.tar.xz |
Diffstat (limited to 'ReferenceCode/ME/SampleCode/Include/IndustryStandard/Tpm2DeviceLib.h')
-rw-r--r-- | ReferenceCode/ME/SampleCode/Include/IndustryStandard/Tpm2DeviceLib.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/ReferenceCode/ME/SampleCode/Include/IndustryStandard/Tpm2DeviceLib.h b/ReferenceCode/ME/SampleCode/Include/IndustryStandard/Tpm2DeviceLib.h new file mode 100644 index 0000000..803fb6c --- /dev/null +++ b/ReferenceCode/ME/SampleCode/Include/IndustryStandard/Tpm2DeviceLib.h @@ -0,0 +1,112 @@ +/** @file + This library abstract how to access TPM2 hardware device. + +@copyright + Copyright (c) 2012 Intel Corporation. All rights reserved + This software and associated documentation (if any) is furnished + under a license and may only be used or copied in accordance + with the terms of the license. Except as permitted by such + license, no part of this software or documentation may be + reproduced, stored in a retrieval system, or transmitted in any + form or by any means without the express written consent of + Intel Corporation. + + This file contains a 'Sample Driver' and is licensed as such + under the terms of your license agreement with Intel or your + vendor. This file may be modified by the user, subject to + the additional terms of the license agreement +**/ + +#ifndef _TPM2_DEVICE_LIB_H_ +#define _TPM2_DEVICE_LIB_H_ + +/** + This service enables the sending of commands to the TPM2. + + @param[in] InputParameterBlockSize Size of the TPM2 input parameter block. + @param[in] InputParameterBlock Pointer to the TPM2 input parameter block. + @param[in] OutputParameterBlockSize Size of the TPM2 output parameter block. + @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block. + + @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received. + @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device. + @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. +**/ +EFI_STATUS +EFIAPI +Tpm2SubmitCommand ( + IN UINT32 InputParameterBlockSize, + IN UINT8 *InputParameterBlock, + IN OUT UINT32 *OutputParameterBlockSize, + IN UINT8 *OutputParameterBlock + ); + +/** + This service requests use TPM2. + + @retval EFI_SUCCESS Get the control of TPM2 chip. + @retval EFI_NOT_FOUND TPM2 not found. + @retval EFI_DEVICE_ERROR Unexpected device behavior. +**/ +EFI_STATUS +EFIAPI +Tpm2RequestUseTpm ( + VOID + ); + +/** + This service enables the sending of commands to the TPM2. + + @param[in] InputParameterBlockSize Size of the TPM2 input parameter block. + @param[in] InputParameterBlock Pointer to the TPM2 input parameter block. + @param[in] OutputParameterBlockSize Size of the TPM2 output parameter block. + @param[in] OutputParameterBlock Pointer to the TPM2 output parameter block. + + @retval EFI_SUCCESS The command byte stream was successfully sent to the device and a response was successfully received. + @retval EFI_DEVICE_ERROR The command was not successfully sent to the device or a response was not successfully received from the device. + @retval EFI_BUFFER_TOO_SMALL The output parameter block is too small. +**/ +typedef +EFI_STATUS +(EFIAPI *TPM2_SUBMIT_COMMAND) ( + IN UINT32 InputParameterBlockSize, + IN UINT8 *InputParameterBlock, + IN OUT UINT32 *OutputParameterBlockSize, + IN UINT8 *OutputParameterBlock + ); + +/** + This service requests use TPM2. + + @retval EFI_SUCCESS Get the control of TPM2 chip. + @retval EFI_NOT_FOUND TPM2 not found. + @retval EFI_DEVICE_ERROR Unexpected device behavior. +**/ +typedef +EFI_STATUS +(EFIAPI *TPM2_REQUEST_USE_TPM) ( + VOID + ); + +typedef struct { + EFI_GUID ProviderGuid; + TPM2_SUBMIT_COMMAND Tpm2SubmitCommand; + TPM2_REQUEST_USE_TPM Tpm2RequestUseTpm; +} TPM2_DEVICE_INTERFACE; + +/** + This service register TPM2 device. + + @Param Tpm2Device TPM2 device + + @retval EFI_SUCCESS This TPM2 device is registered successfully. + @retval EFI_UNSUPPORTED System does not support register this TPM2 device. + @retval EFI_ALREADY_STARTED System already register this TPM2 device. +**/ +EFI_STATUS +EFIAPI +Tpm2RegisterTpm2DeviceLib ( + IN TPM2_DEVICE_INTERFACE *Tpm2Device + ); + +#endif |