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/** @file
Provide common routines used by BasePciSegmentLibSegmentInfo and
DxeRuntimePciSegmentLibSegmentInfo libraries.
Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _PCI_SEGMENT_LIB_COMMON_H_
#define _PCI_SEGMENT_LIB_COMMON_H_
#include <Base.h>
#include <IndustryStandard/PciExpress21.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include <Library/IoLib.h>
#include <Library/PciSegmentLib.h>
#include <Library/PciSegmentInfoLib.h>
/**
Return the linear address for the physical address.
@param Address The physical address.
@retval The linear address.
**/
UINTN
PciSegmentLibVirtualAddress (
IN UINTN Address
);
/**
Internal function that converts PciSegmentLib format address that encodes the PCI Bus, Device,
Function and Register to ECAM (Enhanced Configuration Access Mechanism) address.
@param Address The address that encodes the PCI Bus, Device, Function and
Register.
@param SegmentInfo An array of PCI_SEGMENT_INFO holding the segment information.
@param Count Number of segments.
@retval ECAM address.
**/
UINTN
PciSegmentLibGetEcamAddress (
IN UINT64 Address,
IN CONST PCI_SEGMENT_INFO *SegmentInfo,
IN UINTN Count
);
#endif
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