/** @file
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This code defines ACPI DMA Remapping table related definitions.
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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 _DMA_REMAPPING_TABLE_H_
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#define _DMA_REMAPPING_TABLE_H_
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#include <Uefi.h>
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#include <Base.h>
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#include <IndustryStandard/Acpi30.h>
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#pragma pack(1)
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///
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/// DMAR table signature
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///
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#define EFI_ACPI_VTD_DMAR_TABLE_SIGNATURE 0x52414D44 ///< "DMAR"
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#define EFI_ACPI_DMAR_TABLE_REVISION 1
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#define EFI_ACPI_DRHD_ENGINE_HEADER_LENGTH 0x10
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#define EFI_ACPI_RMRR_HEADER_LENGTH 0x18
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#define MAX_PCI_DEPTH 5
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typedef struct {
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UINT8 Type;
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UINT8 Length;
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UINT16 Reserved;
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UINT8 EnumId;
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UINT8 StartBusNumber;
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UINT8 PciPath[2]; // device, function
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} EFI_ACPI_DEV_SCOPE_STRUCTURE;
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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UINT8 Flags;
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UINT8 Reserved;
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UINT16 SegmentNum;
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EFI_PHYSICAL_ADDRESS RegisterBaseAddress;
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EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[1];
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} EFI_ACPI_DRHD_ENGINE1_STRUCT;
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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UINT8 Flags;
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UINT8 Reserved;
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UINT16 SegmentNum;
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EFI_PHYSICAL_ADDRESS RegisterBaseAddress;
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EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[14];
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} EFI_ACPI_DRHD_ENGINE2_STRUCT;
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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UINT16 Reserved;
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UINT16 SegmentNum;
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EFI_PHYSICAL_ADDRESS RmrBaseAddress;
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EFI_PHYSICAL_ADDRESS RmrLimitAddress;
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EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[2];
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} EFI_ACPI_RMRR_USB_STRUC;
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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UINT16 Reserved;
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UINT16 SegmentNum;
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EFI_PHYSICAL_ADDRESS RmrBaseAddress;
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EFI_PHYSICAL_ADDRESS RmrLimitAddress;
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EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[1]; // IGD
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} EFI_ACPI_RMRR_IGD_STRUC;
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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UINT8 Reserved[3];
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UINT8 AcpiDeviceNumber;
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UINT8 AcpiObjectName[20];
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} EFI_ACPI_ANDD_STRUC;
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header;
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UINT8 HostAddressWidth;
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UINT8 Flags;
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UINT8 Reserved[10];
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EFI_ACPI_DRHD_ENGINE1_STRUCT DrhdEngine1;
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EFI_ACPI_DRHD_ENGINE2_STRUCT DrhdEngine2;
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EFI_ACPI_RMRR_USB_STRUC RmrrUsb;
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EFI_ACPI_RMRR_IGD_STRUC RmrrIgd;
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EFI_ACPI_ANDD_STRUC AnddI2C0;
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EFI_ACPI_ANDD_STRUC AnddI2C1;
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EFI_ACPI_ANDD_STRUC AnddI2C2;
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EFI_ACPI_ANDD_STRUC AnddI2C3;
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EFI_ACPI_ANDD_STRUC AnddI2C4;
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EFI_ACPI_ANDD_STRUC AnddI2C5;
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EFI_ACPI_ANDD_STRUC AnddSpi0;
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EFI_ACPI_ANDD_STRUC AnddSpi1;
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EFI_ACPI_ANDD_STRUC AnddUa00;
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EFI_ACPI_ANDD_STRUC AnddUa01;
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EFI_ACPI_ANDD_STRUC AnddUa02;
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} EFI_ACPI_DMAR_TABLE;
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#pragma pack()
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#endif
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