mirror of https://github.com/acidanthera/audk.git
203 lines
7.6 KiB
C
203 lines
7.6 KiB
C
/*++
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Copyright (c) 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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DMARemappingReportingTable.h
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Abstract:
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The definition for ACPI DMA-Remapping Reporting (DMAR) Table.
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It is defined in "Intel VT for Direct IO Architecture Specification".
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--*/
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#ifndef _EFI_DMA_REMAPPING_REPORTING_TABLE_H_
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#define _EFI_DMA_REMAPPING_REPORTING_TABLE_H_
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#include "AcpiCommon.h"
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//
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// "DMAR" DMAR Description Table Signature
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//
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#define EFI_ACPI_DMAR_DESCRIPTION_TABLE_SIGNATURE 0x52414d44
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//
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// DMAR Revision
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//
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#define EFI_ACPI_DMAR_DESCRIPTION_TABLE_REVISION 0x01
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//
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// Ensure proper structure formats
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//
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#pragma pack (1)
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//
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// Definition for DMA Remapping Structure Types
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//
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#define EFI_ACPI_DMA_REMAPPING_STRUCTURE_TYPE_DRHD 0
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#define EFI_ACPI_DMA_REMAPPING_STRUCTURE_TYPE_RMRR 1
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#define EFI_ACPI_DMA_REMAPPING_STRUCTURE_TYPE_ATSR 2
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//
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// Definition for DMA Remapping Structure Header
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//
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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} EFI_ACPI_DMAR_STRUCTURE_HEADER;
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//
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// Definition for DMA-Remapping PCI Path
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//
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typedef struct {
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UINT8 Device;
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UINT8 Function;
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} EFI_ACPI_DMAR_PCI_PATH;
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//
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// Definition for DMA-Remapping Device Scope Entry Structure
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//
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#define EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_ENDPOINT 0x01
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#define EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_BRIDGE 0x02
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#define EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_IOAPIC 0x03
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#define EFI_ACPI_DEVICE_SCOPE_ENTRY_TYPE_MSI_CAPABLE_HPET 0x04
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typedef struct {
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UINT8 DeviceScopeEntryType;
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UINT8 Length;
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UINT16 Reserved_2;
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UINT8 EnumerationID;
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UINT8 StartingBusNumber;
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} EFI_ACPI_DMAR_DEVICE_SCOPE_ENTRY_STRUCTURE;
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//
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// Definition for DMA-Remapping Hardware Definition (DRHD) Structure
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//
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#define EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_ALL_SET 0x1
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#define EFI_ACPI_DMAR_DRHD_FLAGS_INCLUDE_ALL_CLEAR 0x0
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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_5;
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UINT16 SegmentNumber;
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UINT64 RegisterBaseAddress;
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} EFI_ACPI_DMAR_HARDWARE_UNIT_DEFINITION_STRUCTURE;
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//
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// Definition for Reserved Memory Region Reporting (RMRR) Structure
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//
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typedef struct {
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UINT16 Type;
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UINT16 Length;
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UINT8 Reserved_4[2];
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UINT16 SegmentNumber;
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UINT64 ReservedMemoryRegionBaseAddress;
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UINT64 ReservedMemoryRegionLimitAddress;
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} EFI_ACPI_DMAR_RESERVED_MEMORY_REGION_REPORTING_STRUCTURE;
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//
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// Definition for Root Port ATS Capability Reporting (ATSR) Structure
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//
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#define EFI_ACPI_DMAR_ATSR_FLAGS_ALL_PORTS_SET 0x1
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#define EFI_ACPI_DMAR_ATSR_FLAGS_ALL_PORTS_CLEAR 0x0
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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_5;
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UINT16 SegmentNumber;
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} EFI_ACPI_DMAR_ROOT_PORT_ATS_CAPABILITY_REPORTING_STRUCTURE;
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//
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// Definition for DMA Remapping Structure
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//
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typedef union {
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EFI_ACPI_DMAR_STRUCTURE_HEADER DMARStructureHeader;
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EFI_ACPI_DMAR_HARDWARE_UNIT_DEFINITION_STRUCTURE DMARHardwareUnitDefinition;
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EFI_ACPI_DMAR_RESERVED_MEMORY_REGION_REPORTING_STRUCTURE DMARReservedMemoryRegionReporting;
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EFI_ACPI_DMAR_ROOT_PORT_ATS_CAPABILITY_REPORTING_STRUCTURE DMARRootPortATSCapabilityReporting;
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} EFI_ACPI_DMA_REMAPPING_STRUCTURE;
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//
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// Definition for DMA-Remapping Reporting ACPI Table
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//
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#define EFI_ACPI_DMAR_TABLE_FLAGS_INTR_REMAP_SET 0x01
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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_38[10];
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} EFI_ACPI_DMAR_DESCRIPTION_TABLE;
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//
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// The Platform specific definition can be as follows:
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// NOTE: we use /**/ as comment for user convenience to copy it.
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//
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/*
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//
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// Dmar.h
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//
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#define EFI_ACPI_MAX_NUM_PCI_PATH_ENTRIES 0x01 // user need to update
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typedef struct {
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EFI_ACPI_DMAR_DEVICE_SCOPE_ENTRY_STRUCTURE Header;
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EFI_ACPI_DMAR_PCI_PATH PciPath[EFI_ACPI_MAX_NUM_PCI_PATH_ENTRIES];
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} EFI_ACPI_3_0_DMAR_DEVICE_SCOPE_ENTRY_STRUCTURE;
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#define EFI_ACPI_MAX_NUM_OF_DEVICE_SCOPE_PER_DHRD_ENTRY 0x01 // user need to update
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typedef struct {
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EFI_ACPI_DMAR_HARDWARE_UNIT_DEFINITION_STRUCTURE Header;
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EFI_ACPI_3_0_DMAR_DEVICE_SCOPE_ENTRY_STRUCTURE DeviceScopeEntry[EFI_ACPI_MAX_NUM_OF_DEVICE_SCOPE_PER_DHRD_ENTRY];
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} EFI_ACPI_3_0_DMAR_HARDWARE_UNIT_DEFINITION_STRUCTURE;
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#define EFI_ACPI_MAX_NUM_OF_DEVICE_SCOPE_PER_RMRR_ENTRY 0x01 // user need to update
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typedef struct {
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EFI_ACPI_DMAR_RESERVED_MEMORY_REGION_REPORTING_STRUCTURE Header;
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EFI_ACPI_3_0_DMAR_DEVICE_SCOPE_ENTRY_STRUCTURE DeviceScopeEntry[EFI_ACPI_MAX_NUM_OF_DEVICE_SCOPE_PER_RMRR_ENTRY];
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} EFI_ACPI_3_0_DMAR_RESERVED_MEMORY_REGION_REPORTING_STRUCTURE;
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#define EFI_ACPI_MAX_NUM_OF_DEVICE_SCOPE_PER_ATSR_ENTRY 0x01 // user need to update
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typedef struct {
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EFI_ACPI_DMAR_ROOT_PORT_ATS_CAPABILITY_REPORTING_STRUCTURE Header;
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EFI_ACPI_3_0_DMAR_DEVICE_SCOPE_ENTRY_STRUCTURE DeviceScopeEntry[EFI_ACPI_MAX_NUM_OF_DEVICE_SCOPE_PER_ATSR_ENTRY];
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} EFI_ACPI_3_0_DMAR_ROOT_PORT_ATS_CAPABILITY_REPORTING_STRUCTURE;
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#define EFI_ACPI_DMAR_DHRD_ENTRY_COUNT 0x1 // user need to update
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#define EFI_ACPI_DMAR_RMRR_ENTRY_COUNT 0x1 // user need to update
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#define EFI_ACPI_DMAR_ATSR_ENTRY_COUNT 0x1 // user need to update
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typedef struct {
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EFI_ACPI_DMAR_DESCRIPTION_TABLE Header;
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#if EFI_ACPI_3_0_DMAR_DHRD_ENTRY_COUNT > 0
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EFI_ACPI_3_0_DMAR_HARDWARE_UNIT_DEFINITION_STRUCTURE Dhrd[EFI_ACPI_DMAR_DHRD_ENTRY_COUNT];
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#endif
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#if EFI_ACPI_3_0_DMAR_RMRR_ENTRY_COUNT > 0
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EFI_ACPI_3_0_DMAR_RESERVED_MEMORY_REGION_REPORTING_STRUCTURE Rmrr[EFI_ACPI_DMAR_RMRR_ENTRY_COUNT];
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#endif
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#if EFI_ACPI_3_0_DMAR_ATSR_ENTRY_COUNT > 0
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EFI_ACPI_3_0_DMAR_ROOT_PORT_ATS_CAPABILITY_REPORTING_STRUCTURE Atsr[EFI_ACPI_DMAR_ATSR_ENTRY_COUNT];
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#endif
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} EFI_ACPI_3_0_DMA_REMAPPING_REPORTING_TABLE;
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*/
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#pragma pack()
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#endif
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