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