/** @file | |
This library is TPM2 DTPM device lib. | |
Choosing this library means platform uses and only uses DTPM device as TPM2 engine. | |
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR> | |
SPDX-License-Identifier: BSD-2-Clause-Patent | |
**/ | |
#include <Library/BaseLib.h> | |
#include <Library/BaseMemoryLib.h> | |
#include <Library/DebugLib.h> | |
#include <Library/Tpm2DeviceLib.h> | |
#include <Library/PcdLib.h> | |
#include "Tpm2DeviceLibDTpm.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,out] 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 | |
DTpm2SubmitCommand ( | |
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 | |
DTpm2RequestUseTpm ( | |
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,out] 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 | |
) | |
{ | |
return DTpm2SubmitCommand ( | |
InputParameterBlockSize, | |
InputParameterBlock, | |
OutputParameterBlockSize, | |
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 | |
) | |
{ | |
return DTpm2RequestUseTpm (); | |
} | |
/** | |
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 | |
) | |
{ | |
return EFI_UNSUPPORTED; | |
} | |
/** | |
The function caches current active TPM interface type. | |
@retval EFI_SUCCESS DTPM2.0 instance is registered, or system does not support register DTPM2.0 instance | |
**/ | |
EFI_STATUS | |
EFIAPI | |
Tpm2DeviceLibConstructor ( | |
VOID | |
) | |
{ | |
return InternalTpm2DeviceLibDTpmCommonConstructor (); | |
} |