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/** @file
This code defines ACPI DMA Remapping table related definitions.
See the System Agent BIOS specification for definition of the table.
@copyright
Copyright (c) 1999 - 2013 Intel Corporation. All rights reserved
This software and associated documentation (if any) is furnished
under a license and may only be used or copied in accordance
with the terms of the license. Except as permitted by such
license, no part of this software or documentation may be
reproduced, stored in a retrieval system, or transmitted in any
form or by any means without the express written consent of
Intel Corporation.
This file contains an 'Intel Peripheral Driver' and uniquely
identified as "Intel Reference Module" and is
licensed for Intel CPUs and chipsets under the terms of your
license agreement with Intel or your vendor. This file may
be modified by the user, subject to additional terms of the
license agreement
**/
#ifndef _DMA_REMAPPING_TABLE_H_
#define _DMA_REMAPPING_TABLE_H_
#include "Tiano.h"
#include "Acpi3_0.h"
#pragma pack(1)
///
/// DMAR table signature
///
#define EFI_ACPI_VTD_DMAR_TABLE_SIGNATURE 0x52414D44 ///< "DMAR"
#define EFI_ACPI_DMAR_TABLE_REVISION 1
#define EFI_ACPI_DRHD_ENGINE_HEADER_LENGTH 0x10
#define EFI_ACPI_RMRR_HEADER_LENGTH 0x18
#define MAX_PCI_DEPTH 5
typedef struct {
UINT8 Type;
UINT8 Length;
UINT16 Reserved;
UINT8 EnumId;
UINT8 StartBusNumber;
UINT8 PciPath[2];
} EFI_ACPI_DEV_SCOPE_STRUCTURE;
typedef struct {
UINT16 Type;
UINT16 Length;
UINT8 Flags;
UINT8 Reserved;
UINT16 SegmentNum;
EFI_PHYSICAL_ADDRESS RegisterBaseAddress;
EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[1];
} EFI_ACPI_DRHD_ENGINE1_STRUCT;
typedef struct {
UINT16 Type;
UINT16 Length;
UINT8 Flags;
UINT8 Reserved;
UINT16 SegmentNum;
EFI_PHYSICAL_ADDRESS RegisterBaseAddress;
EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[9];
} EFI_ACPI_DRHD_ENGINE2_STRUCT;
typedef struct {
UINT16 Type;
UINT16 Length;
UINT16 Reserved;
UINT16 SegmentNum;
EFI_PHYSICAL_ADDRESS RmrBaseAddress;
EFI_PHYSICAL_ADDRESS RmrLimitAddress;
EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[3];
} EFI_ACPI_RMRR_USB_STRUC;
typedef struct {
UINT16 Type;
UINT16 Length;
UINT16 Reserved;
UINT16 SegmentNum;
EFI_PHYSICAL_ADDRESS RmrBaseAddress;
EFI_PHYSICAL_ADDRESS RmrLimitAddress;
EFI_ACPI_DEV_SCOPE_STRUCTURE DeviceScope[1];
} EFI_ACPI_RMRR_IGD_STRUC;
typedef struct {
UINT16 Type;
UINT16 Length;
UINT8 Reserved[3];
UINT8 AcpiDeviceNumber;
UINT8 AcpiObjectName[20];
} EFI_ACPI_ANDD_STRUC;
typedef struct {
EFI_ACPI_DESCRIPTION_HEADER Header;
UINT8 HostAddressWidth;
UINT8 Flags;
UINT8 Reserved[10];
EFI_ACPI_DRHD_ENGINE1_STRUCT DrhdEngine1;
EFI_ACPI_DRHD_ENGINE2_STRUCT DrhdEngine2;
EFI_ACPI_RMRR_USB_STRUC RmrrUsb;
EFI_ACPI_RMRR_IGD_STRUC RmrrIgd;
EFI_ACPI_ANDD_STRUC AnddI2C0;
EFI_ACPI_ANDD_STRUC AnddI2C1;
EFI_ACPI_ANDD_STRUC AnddSpi0;
EFI_ACPI_ANDD_STRUC AnddSpi1;
EFI_ACPI_ANDD_STRUC AnddUa00;
EFI_ACPI_ANDD_STRUC AnddUa01;
EFI_ACPI_ANDD_STRUC AnddSdhc;
} EFI_ACPI_DMAR_TABLE;
#pragma pack()
#endif
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