/** @file
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Header file for VtdInfoLib.
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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 _VTD_INFO_LIB_H_
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#define _VTD_INFO_LIB_H_
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#include <Base.h>
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#include <Uefi/UefiBaseType.h>
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#include <Library/HobLib.h>
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#define VTD_ENGINE_NUMBER 7
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#pragma pack(1)
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/**
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Get VTD Engine Base Address from PCD values.
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@param[in] VtdEngineNumber - Engine number for which VTD Base Adderess is required.
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@retval VTD Engine Base Address
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**/
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UINT32
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GetVtdBaseAddress (
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IN UINT8 VtdEngineNumber
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);
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/**
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Read VTD Engine Base Address from VTD BAR Offsets.
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@param[in] VtdEngineNumber - Engine number for which VTD Base Adderess is required.
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@retval VTD Engine Base Address
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**/
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UINT32
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ReadVtdBaseAddress (
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IN UINT8 VtdEngineNumber
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);
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/**
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GetMaxVtdEngineNumber: Get Maximum Vtd Engine Number
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@retval Vtd Engine Number
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**/
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UINT8
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GetMaxVtdEngineNumber(
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VOID
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);
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#pragma pack()
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#endif // _VTD_INFO_LIB_H_
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