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diff --git a/ReferenceCode/ME/Library/PttHeci/Include/PttHeciLib.h b/ReferenceCode/ME/Library/PttHeci/Include/PttHeciLib.h
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+++ b/ReferenceCode/ME/Library/PttHeci/Include/PttHeciLib.h
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+/** @file
+  Platform Trust Technology (FTPM) HECI SkuMgr Library
+
+@copyright
+  Copyright (c) 2012 Intel Corporation. All rights reserved
+  This software and associated documentation (if any) is furnished
+  under a license and may only be used or copied in accordance
+  with the terms of the license. Except as permitted by such
+  license, no part of this software or documentation may be
+  reproduced, stored in a retrieval system, or transmitted in any
+  form or by any means without the express written consent of
+  Intel Corporation.
+
+  This file contains an 'Intel Peripheral Driver' and uniquely
+  identified as "Intel Reference Module" and is
+  licensed for Intel CPUs and chipsets under the terms of your
+  license agreement with Intel or your vendor.  This file may
+  be modified by the user, subject to additional terms of the
+  license agreement
+**/
+#ifndef _PTT_HECI_LIB_H_
+#define _PTT_HECI_LIB_H_
+
+#ifdef PTT_FLAG
+
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+#include "EdkIIGlueBase.h"
+#endif
+
+/**
+  Checks whether ME FW has the Platform Trust Technology capability.
+
+  @param[out] PttCapability      TRUE if PTT is supported, FALSE othewrwise.
+
+  @retval EFI_SUCCESS            Command succeeded
+  @retval EFI_DEVICE_ERROR       HECI Device error, command aborts abnormally
+**/
+EFI_STATUS
+EFIAPI
+PttHeciGetCapability(
+  OUT BOOLEAN   *PttCapability
+  );
+
+/**
+  Checks Platform Trust Technology enablement state.
+
+  @param[out] IsPttEnabledState  TRUE if PTT is enabled, FALSE othewrwise.
+
+  @retval EFI_SUCCESS            Command succeeded
+  @retval EFI_DEVICE_ERROR       HECI Device error, command aborts abnormally
+**/
+EFI_STATUS
+EFIAPI
+PttHeciGetState(
+  OUT BOOLEAN   *IsPttEnabledState
+  );
+
+/**
+  Changes current Platform Trust Technology state.
+
+  @param[in] PttEnabledState     TRUE to enable, FALSE to disable.
+
+  @retval EFI_SUCCESS            Command succeeded
+  @retval EFI_DEVICE_ERROR       HECI Device error, command aborts abnormally
+**/
+EFI_STATUS
+EFIAPI
+PttHeciSetState(
+  IN  BOOLEAN   PttEnabledState
+  );
+
+#endif // PTT_FLAG
+#endif