101 lines
3.5 KiB
C
101 lines
3.5 KiB
C
/** @file
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This code defines ACPI DMA Remapping table related definitions.
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See the System Agent BIOS specification for definition of the table.
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@copyright
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INTEL CONFIDENTIAL
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Copyright 1999 - 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 _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/DmaRemappingReportingTable.h>
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#include <IndustryStandard/Acpi.h>
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#include <TcssInfo.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 2
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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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EFI_ACPI_DMAR_DEVICE_SCOPE_STRUCTURE_HEADER DeviceScopeStructureHeader;
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EFI_ACPI_DMAR_PCI_PATH PciPath; // device, function
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} EFI_ACPI_DEV_SCOPE_STRUCTURE;
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typedef struct {
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EFI_ACPI_DMAR_DRHD_HEADER DrhdHeader;
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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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EFI_ACPI_DMAR_DRHD_HEADER DrhdHeader;
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//
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// @todo use PCD
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//
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EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[2];
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} EFI_ACPI_DRHD_ENGINE3_STRUCT;
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typedef struct {
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EFI_ACPI_DMAR_RMRR_HEADER RmrrHeader;
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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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EFI_ACPI_DMAR_RMRR_HEADER RmrrHeader;
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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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EFI_ACPI_DMAR_ANDD_HEADER AnddHeader;
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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_DMAR_HEADER DmarHeader;
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EFI_ACPI_DRHD_ENGINE1_STRUCT DrhdEngine1;
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#if FixedPcdGetBool(PcdIpuEnable) == 1
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EFI_ACPI_DRHD_ENGINE1_STRUCT DrhdEngine2;
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#endif
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EFI_ACPI_DRHD_ENGINE3_STRUCT DrhdEngine3;
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EFI_ACPI_RMRR_IGD_STRUC RmrrIgd;
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} EFI_ACPI_DMAR_TABLE;
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#pragma pack()
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#endif
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