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+/** @file
+ PCH Pcie SMM Driver Header
+
+@copyright
+ Copyright (c) 2010 - 2013 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 _PCH_PCIE_SMM_H
+#define _PCH_PCIE_SMM_H
+
+//
+// External include files do NOT need to be explicitly specified in real EDKII
+// environment
+//
+#if !defined(EDK_RELEASE_VERSION) || (EDK_RELEASE_VERSION < 0x00020000)
+
+#include "EdkIIGlueDxe.h"
+#include "EfiScriptLib.h"
+#endif
+
+#include EFI_PROTOCOL_CONSUMER (PchPlatformPolicy)
+#include EFI_PROTOCOL_CONSUMER (SmmIchnDispatchEx)
+#include "PchAccess.h"
+#include "PchPlatformLib.h"
+#include "PchPciExpressHelpersLib.h"
+//
+// Prototypes
+//
+
+/**
+ Program Common Clock and ASPM of Downstream Devices
+
+ @param[in] PciePortNum Pcie Root Port Number
+
+ @retval EFI_SUCCESS Function complete successfully
+**/
+EFI_STATUS
+PchPcieSmi (
+ IN UINT8 PciePortNum
+ );
+
+/**
+ PCIE Hotplug SMI call back function for each Root port
+
+ @param[in] DispatchHandle Handle of this dispatch function
+ @param[in] DispatchContext Pointer to the dispatch function's context.
+ The DispatchContext fields are filled in by the dispatching driver
+ prior to invoke this dispatch function
+**/
+VOID
+EFIAPI
+PchPcieSmiHandlerFunction (
+ IN EFI_HANDLE DispatchHandle,
+ IN EFI_SMM_ICHN_DISPATCH_EX_CONTEXT *DispatchContext
+ );
+
+/**
+ PCIE Link Active State Change Hotplug SMI call back function for all Root ports
+
+ @param[in] DispatchHandle Handle of this dispatch function
+ @param[in] DispatchContext Pointer to the dispatch function's context.
+ The DispatchContext fields are filled in by the dispatching driver
+ prior to invoke this dispatch function
+**/
+VOID
+EFIAPI
+PchPcieLinkActiveStateChange (
+ IN EFI_HANDLE DispatchHandle,
+ IN EFI_SMM_ICHN_DISPATCH_EX_CONTEXT *DispatchContext
+ );
+
+/**
+ Register PCIE Hotplug SMI dispatch function to handle Hotplug enabling
+
+ @param[in] ImageHandle The image handle of this module
+ @param[in] SystemTable The EFI System Table
+
+ @retval EFI_SUCCESS The function completes successfully
+**/
+EFI_STATUS
+EFIAPI
+InitializePchPcieSmm (
+ IN EFI_HANDLE ImageHandle,
+ IN EFI_SYSTEM_TABLE *SystemTable
+ );
+#endif