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diff --git a/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h b/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h
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+++ b/SecurityPkg/Include/Library/Tcg2PhysicalPresenceLib.h
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+/** @file
+  Ihis library is intended to be used by BDS modules.
+  This library will execute TPM2 request.
+
+Copyright (c) 2015, 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 _TCG2_PHYSICAL_PRESENCE_LIB_H_
+#define _TCG2_PHYSICAL_PRESENCE_LIB_H_
+
+#include <IndustryStandard/Tpm20.h>
+#include <IndustryStandard/TcgPhysicalPresence.h>
+#include <Protocol/Tcg2Protocol.h>
+
+//
+// UEFI TCG2 library definition bit of the BIOS TPM Management Flags
+//
+// BIT0 is reserved
+#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CLEAR               BIT1
+// BIT2 is reserved
+#define TCG2_LIB_PP_FLAG_RESET_TRACK                                      BIT3
+#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_ON             BIT4
+#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_OFF            BIT5
+#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_EPS          BIT6
+#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_PCRS         BIT7
+
+//
+// UEFI TCG2 library definition bit of the BIOS Information Flags
+//
+#define TCG2_BIOS_INFORMATION_FLAG_HIERACHY_CONTROL_STORAGE_DISABLE      BIT8
+#define TCG2_BIOS_INFORMATION_FLAG_HIERACHY_CONTROL_ENDORSEMENT_DISABLE  BIT9
+
+//
+// UEFI TCG2 library definition bit of the BIOS Storage Management Flags
+//
+#define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_ENABLE_BLOCK_SID   BIT16
+#define TCG2_BIOS_STORAGE_MANAGEMENT_FLAG_PP_REQUIRED_FOR_DISABLE_BLOCK_SID  BIT17
+
+//
+// Default value
+//
+#define TCG2_BIOS_TPM_MANAGEMENT_FLAG_DEFAULT  (TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_TURN_OFF | \
+                                                TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CLEAR | \
+                                                TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_EPS | \
+                                                TCG2_BIOS_TPM_MANAGEMENT_FLAG_PP_REQUIRED_FOR_CHANGE_PCRS)
+
+/**
+  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
+Tcg2PhysicalPresenceLibProcessRequest (
+  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
+Tcg2PhysicalPresenceLibNeedUserConfirm (
+  VOID
+  );
+
+/**
+  Return TPM2 ManagementFlags set by PP interface.
+
+  @retval    ManagementFlags    TPM2 Management Flags.
+**/
+UINT32
+EFIAPI
+Tcg2PhysicalPresenceLibGetManagementFlags (
+  VOID
+  );
+
+/**
+  The handler for TPM physical presence function:
+  Return TPM Operation Response to OS Environment.
+
+  This API should be invoked in OS runtime phase to interface with ACPI method.
+
+  @param[out]     MostRecentRequest Most recent operation request.
+  @param[out]     Response          Response to the most recent operation request.
+
+  @return Return Code for Return TPM Operation Response to OS Environment.
+**/
+UINT32
+EFIAPI
+Tcg2PhysicalPresenceLibReturnOperationResponseToOsFunction (
+  OUT UINT32                *MostRecentRequest,
+  OUT UINT32                *Response
+  );
+
+
+/**
+  The handler for TPM physical presence function:
+  Submit TPM Operation Request to Pre-OS Environment and
+  Submit TPM Operation Request to Pre-OS Environment 2.
+
+  This API should be invoked in OS runtime phase to interface with ACPI method.
+
+  Caution: This function may receive untrusted input.
+  
+  @param[in]      OperationRequest TPM physical presence operation request.
+  @param[in]      RequestParameter TPM physical presence operation request parameter.
+
+  @return Return Code for Submit TPM Operation Request to Pre-OS Environment and
+          Submit TPM Operation Request to Pre-OS Environment 2.
+**/
+UINT32
+EFIAPI
+Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (
+  IN UINT32                 OperationRequest,
+  IN UINT32                 RequestParameter
+  );
+
+/**
+  The handler for TPM physical presence function:
+  Get User Confirmation Status for Operation.
+
+  This API should be invoked in OS runtime phase to interface with ACPI method.
+
+  Caution: This function may receive untrusted input.
+  
+  @param[in]      OperationRequest TPM physical presence operation request.
+
+  @return Return Code for Get User Confirmation Status for Operation.
+**/
+UINT32
+EFIAPI
+Tcg2PhysicalPresenceLibGetUserConfirmationStatusFunction (
+  IN UINT32                 OperationRequest
+  );
+
+#endif