diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/Tpm2DeviceLib.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/Tpm2DeviceLib.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/Tpm2DeviceLib.h b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/Tpm2DeviceLib.h new file mode 100644 index 00000000..ccf0ada6 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/SecurityPkg/Include/Library/Tpm2DeviceLib.h @@ -0,0 +1,113 @@ +/** @file + This library abstract how to access TPM2 hardware device. + +Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved. <BR> +SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _TPM2_DEVICE_LIB_H_ +#define _TPM2_DEVICE_LIB_H_ + +#include <Uefi.h> + +// +// Used in PcdActiveTpmInterfaceType to identify TPM interface type +// +typedef enum { + Tpm2PtpInterfaceTis, + Tpm2PtpInterfaceFifo, + Tpm2PtpInterfaceCrb, + Tpm2PtpInterfaceMax, +} TPM2_PTP_INTERFACE_TYPE; + +/** + 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 + ); + +/** + 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,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. +**/ +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 |