1 files changed, 54 insertions, 0 deletions
diff --git a/SecurityPkg/Include/Library/Tpm12DeviceLib.h b/SecurityPkg/Include/Library/Tpm12DeviceLib.h
new file mode 100644
index 000000000..ab1f522ad
--- /dev/null
+++ b/SecurityPkg/Include/Library/Tpm12DeviceLib.h
@@ -0,0 +1,54 @@
+/** @file
+  This library abstract how to access TPM12 hardware device.
+
+Copyright (c) 2013, Intel Corporation. All rights reserved. <BR>
+This program and the accompanying materials
+are licensed and made available under the terms and conditions of the BSD License
+which accompanies this distribution.  The full text of the license may be found at
+http://opensource.org/licenses/bsd-license.php
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+#ifndef _TPM12_DEVICE_LIB_H_
+#define _TPM12_DEVICE_LIB_H_
+
+#include <IndustryStandard/Tpm12.h>
+
+/**
+  This service enables the sending of commands to the TPM12.
+
+  @param[in]      InputParameterBlockSize  Size of the TPM12 input parameter block.
+  @param[in]      InputParameterBlock      Pointer to the TPM12 input parameter block.
+  @param[in,out]  OutputParameterBlockSize Size of the TPM12 output parameter block.
+  @param[in]      OutputParameterBlock     Pointer to the TPM12 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
+Tpm12SubmitCommand (
+  IN UINT32            InputParameterBlockSize,
+  IN UINT8             *InputParameterBlock,
+  IN OUT UINT32        *OutputParameterBlockSize,
+  IN UINT8             *OutputParameterBlock
+  );
+
+/**
+  This service requests use TPM12.
+
+  @retval EFI_SUCCESS      Get the control of TPM12 chip.
+  @retval EFI_NOT_FOUND    TPM12 not found.
+  @retval EFI_DEVICE_ERROR Unexpected device behavior.
+**/
+EFI_STATUS
+EFIAPI
+Tpm12RequestUseTpm (
+  VOID
+  );
+
+#endif