121 lines
3.1 KiB
C
121 lines
3.1 KiB
C
/** @file
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Header file for VtdInfoLib.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 2018 - 2020 Intel Corporation.
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The source code contained or described herein and all documents related to the
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source code ("Material") are owned by Intel Corporation or its suppliers or
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licensors. Title to the Material remains with Intel Corporation or its suppliers
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and licensors. The Material may contain trade secrets and proprietary and
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confidential information of Intel Corporation and its suppliers and licensors,
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and is protected by worldwide copyright and trade secret laws and treaty
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provisions. No part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in any way
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without Intel's prior express written permission.
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No license under any patent, copyright, trade secret or other intellectual
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property right is granted to or conferred upon you by disclosure or delivery
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of the Materials, either expressly, by implication, inducement, estoppel or
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otherwise. Any license under such intellectual property rights must be
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express and approved by Intel in writing.
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Unless otherwise agreed by Intel in writing, you may not remove or alter
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this notice or any other notice embedded in Materials by Intel or
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Intel's suppliers or licensors in any way.
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This file contains an 'Intel Peripheral Driver' and is uniquely identified as
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"Intel Reference Module" and is licensed for Intel CPUs and chipsets under
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the terms of your license agreement with Intel or your vendor. This file may
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be modified by the user, subject to additional terms of the license agreement.
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@par Specification Reference:
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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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#include <VtdInfo.h>
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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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/**
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GetIgdVtdOffset: Get IGD Vtd Engine Base Address
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@retval Vtd Engine Base Address for IGD
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**/
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UINT64
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GetIgdVtdOffset (
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VOID
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);
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/**
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GetIpuVtdLowOffset: Get IPU Vtd Engine Low Base Address
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@retval Vtd Engine Low Base Address for IPU
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**/
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UINT64
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GetIpuVtdLowOffset (
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VOID
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);
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/**
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GetIopVtdOffset: Get Iop Vtd Engine Base Address
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@retval Vtd Engine Base Address for all other - PEG, USB, SATA etc
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**/
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UINT32
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GetIopVtdOffset (
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VOID
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);
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/**
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GetVtdOffset: Get Vtd Engine Base Address
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@retval Vtd Engine Base Address for Gfx and Non-Gfx
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**/
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UINT32
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GetVtdOffset (
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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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