/** @file
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Header file for CpuPcieInfoFruLib.
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Copyright (c) 2021, 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 _CPU_PCIE_INFO_FRU_LIB_H_
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#define _CPU_PCIE_INFO_FRU_LIB_H_
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#include <CpuPcieInfo.h>
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#define CPU_PCIE_MAX_ROOT_PORTS 4
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#define CPU_PCIE_ULT_ULX_MAX_ROOT_PORT 1
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#include <Library/CpuRegbarAccessLib.h>
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/**
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Get CPU Maximum Pcie Root Port Number
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@retval PcieMaxRootPort Pch Maximum Pcie Root Port Number
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**/
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UINT8
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GetMaxCpuPciePortNum (
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VOID
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);
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/**
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Get CPU Pcie Root Port Device and Function Number by Root Port physical Number
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@param[in] RpNumber Root port physical number. (0-based)
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@param[out] RpDev Return corresponding root port device number.
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@param[out] RpFun Return corresponding root port function number.
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@retval EFI_SUCCESS Root port device and function is retrieved
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@retval EFI_INVALID_PARAMETER RpNumber is invalid
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**/
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EFI_STATUS
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EFIAPI
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GetCpuPcieRpDevFun (
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IN UINTN RpNumber,
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OUT UINTN *RpDev,
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OUT UINTN *RpFun
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);
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/**
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Gets pci segment base address of PCIe root port.
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@param RpIndex Root Port Index (0 based)
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@return PCIe port base address.
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**/
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UINT64
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CpuPcieBase (
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IN UINT32 RpIndex
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);
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#endif // _CPU_PCIE_INFO_FRU_LIB_H_
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