/** @file
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This code provides a initialization of intel VT-d (Virtualization Technology for Directed I/O).
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Copyright (c) 2019 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 _VT_D_H_
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#define _VT_D_H_
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///
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/// Include files
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///
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#include <DmaRemappingTable.h>
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#include <SaAccess.h>
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#include <PchAccess.h>
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#include <Uefi.h>
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#include <Protocol/AcpiSystemDescriptionTable.h>
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#include <Protocol/AcpiTable.h>
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#include <Library/PciSegmentLib.h>
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#include <Protocol/SaPolicy.h>
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#include <Private/PchConfigHob.h>
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#include <CpuRegs.h>
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#include <Library/CpuPlatformLib.h>
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#include <IndustryStandard/Pci22.h>
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#define VTD_ECAP_REG 0x10
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#define IR BIT3
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/**
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Locate the VT-d ACPI tables data file and read ACPI SSDT tables.
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Publish the appropriate SSDT based on current configuration and capabilities.
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@param[in] SaPolicy SA DXE Policy protocol
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@retval EFI_SUCCESS - Vtd initialization complete
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@retval Other - No Vtd function initiated
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**/
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EFI_STATUS
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VtdInit (
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IN SA_POLICY_PROTOCOL *SaPolicy
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);
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/**
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PciEnumerationComplete routine for update DMAR
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**/
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VOID
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UpdateDmarPciEnumCompleteCallback (
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VOID
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);
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#endif
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