Add TPM2 implementation.

signed off by: jiewen.yao@intel.com
reviewed by: guo.dong@intel.com

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14687 6f19259b-4bc3-4df7-8a09-765794883524

SecurityPkg/Include/Library/TrEEPhysicalPresenceLib.h

@@ -0,0 +1,57 @@
+/** @file
+  Ihis library is intended to be used by BDS modules.
+  This library will executing TPM2 request.
+
+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 _TREE_PHYSICAL_PRESENCE_LIB_H_
+#define _TREE_PHYSICAL_PRESENCE_LIB_H_
+
+#include <IndustryStandard/Tpm20.h>
+#include <Protocol/TrEEProtocol.h>
+
+/**
+  Check and execute the pending TPM request.
+
+  The TPM request may come from OS or BIOS. This API will display request information and wait 
+  for user confirmation if TPM request exists. The TPM request will be sent to TPM device after
+  the TPM request is confirmed, and one or more reset may be required to make TPM request to 
+  take effect.
+  
+  This API should be invoked after console in and console out are all ready as they are required
+  to display request information and get user input to confirm the request.  
+
+  @param  PlatformAuth                   platform auth value. NULL means no platform auth change.
+**/
+VOID
+EFIAPI
+TrEEPhysicalPresenceLibProcessRequest (
+  IN      TPM2B_AUTH                     *PlatformAuth  OPTIONAL
+  );
+
+/**
+  Check if the pending TPM request needs user input to confirm.
+
+  The TPM request may come from OS. This API will check if TPM request exists and need user
+  input to confirmation.
+  
+  @retval    TRUE        TPM needs input to confirm user physical presence.
+  @retval    FALSE       TPM doesn't need input to confirm user physical presence.
+
+**/
+BOOLEAN
+EFIAPI
+TrEEPhysicalPresenceLibNeedUserConfirm(
+  VOID
+  );
+
+#endif