diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tpm2DeviceLibDTpm/Tpm2DeviceLibDTpm.c')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tpm2DeviceLibDTpm/Tpm2DeviceLibDTpm.c | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tpm2DeviceLibDTpm/Tpm2DeviceLibDTpm.c b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tpm2DeviceLibDTpm/Tpm2DeviceLibDTpm.c new file mode 100644 index 00000000..e15cbd72 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Library/Tpm2DeviceLibDTpm/Tpm2DeviceLibDTpm.c @@ -0,0 +1,127 @@ +/** @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 (); +} |