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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
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