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/** @file
ACPI IO Remapping Table (IORT) as specified in ARM spec DEN0049D
http://infocenter.arm.com/help/topic/com.arm.doc.den0049d/DEN0049D_IO_Remapping_Table.pdf
Copyright (c) 2017, Linaro Limited. All rights reserved.<BR>
Copyright (c) 2018, ARM Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef __IO_REMAPPING_TABLE_H__
#define __IO_REMAPPING_TABLE_H__
#include <IndustryStandard/Acpi.h>
#define EFI_ACPI_IO_REMAPPING_TABLE_REVISION 0x0
#define EFI_ACPI_IORT_TYPE_ITS_GROUP 0x0
#define EFI_ACPI_IORT_TYPE_NAMED_COMP 0x1
#define EFI_ACPI_IORT_TYPE_ROOT_COMPLEX 0x2
#define EFI_ACPI_IORT_TYPE_SMMUv1v2 0x3
#define EFI_ACPI_IORT_TYPE_SMMUv3 0x4
#define EFI_ACPI_IORT_TYPE_PMCG 0x5
#define EFI_ACPI_IORT_MEM_ACCESS_PROP_CCA BIT0
#define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_TR BIT0
#define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_WA BIT1
#define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_RA BIT2
#define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_AHO BIT3
#define EFI_ACPI_IORT_MEM_ACCESS_FLAGS_CPM BIT0
#define EFI_ACPI_IORT_MEM_ACCESS_FLAGS_DACS BIT1
#define EFI_ACPI_IORT_SMMUv1v2_MODEL_v1 0x0
#define EFI_ACPI_IORT_SMMUv1v2_MODEL_v2 0x1
#define EFI_ACPI_IORT_SMMUv1v2_MODEL_MMU400 0x2
#define EFI_ACPI_IORT_SMMUv1v2_MODEL_MMU500 0x3
#define EFI_ACPI_IORT_SMMUv1v2_MODEL_MMU401 0x4
#define EFI_ACPI_IORT_SMMUv1v2_MODEL_CAVIUM_THX_v2 0x5
#define EFI_ACPI_IORT_SMMUv1v2_FLAG_DVM BIT0
#define EFI_ACPI_IORT_SMMUv1v2_FLAG_COH_WALK BIT1
#define EFI_ACPI_IORT_SMMUv1v2_INT_FLAG_LEVEL 0x0
#define EFI_ACPI_IORT_SMMUv1v2_INT_FLAG_EDGE 0x1
#define EFI_ACPI_IORT_SMMUv3_FLAG_COHAC_OVERRIDE BIT0
#define EFI_ACPI_IORT_SMMUv3_FLAG_HTTU_OVERRIDE BIT1
#define EFI_ACPI_IORT_SMMUv3_FLAG_PROXIMITY_DOMAIN BIT3
#define EFI_ACPI_IORT_SMMUv3_MODEL_GENERIC 0x0
#define EFI_ACPI_IORT_SMMUv3_MODEL_HISILICON_HI161X 0x1
#define EFI_ACPI_IORT_SMMUv3_MODEL_CAVIUM_CN99XX 0x2
#define EFI_ACPI_IORT_ROOT_COMPLEX_ATS_UNSUPPORTED 0x0
#define EFI_ACPI_IORT_ROOT_COMPLEX_ATS_SUPPORTED 0x1
#define EFI_ACPI_IORT_ID_MAPPING_FLAGS_SINGLE BIT0
#pragma pack(1)
///
/// Table header
///
typedef struct {
EFI_ACPI_DESCRIPTION_HEADER Header;
UINT32 NumNodes;
UINT32 NodeOffset;
UINT32 Reserved;
} EFI_ACPI_6_0_IO_REMAPPING_TABLE;
///
/// Definition for ID mapping table shared by all node types
///
typedef struct {
UINT32 InputBase;
UINT32 NumIds;
UINT32 OutputBase;
UINT32 OutputReference;
UINT32 Flags;
} EFI_ACPI_6_0_IO_REMAPPING_ID_TABLE;
///
/// Node header definition shared by all node types
///
typedef struct {
UINT8 Type;
UINT16 Length;
UINT8 Revision;
UINT32 Reserved;
UINT32 NumIdMappings;
UINT32 IdReference;
} EFI_ACPI_6_0_IO_REMAPPING_NODE;
///
/// Node type 0: ITS node
///
typedef struct {
EFI_ACPI_6_0_IO_REMAPPING_NODE Node;
UINT32 NumItsIdentifiers;
//UINT32 ItsIdentifiers[NumItsIdentifiers];
} EFI_ACPI_6_0_IO_REMAPPING_ITS_NODE;
///
/// Node type 1: root complex node
///
typedef struct {
EFI_ACPI_6_0_IO_REMAPPING_NODE Node;
UINT32 CacheCoherent;
UINT8 AllocationHints;
UINT16 Reserved;
UINT8 MemoryAccessFlags;
UINT32 AtsAttribute;
UINT32 PciSegmentNumber;
UINT8 MemoryAddressSize;
UINT8 Reserved1[3];
} EFI_ACPI_6_0_IO_REMAPPING_RC_NODE;
///
/// Node type 2: named component node
///
typedef struct {
EFI_ACPI_6_0_IO_REMAPPING_NODE Node;
UINT32 Flags;
UINT32 CacheCoherent;
UINT8 AllocationHints;
UINT16 Reserved;
UINT8 MemoryAccessFlags;
UINT8 AddressSizeLimit;
//UINT8 ObjectName[];
} EFI_ACPI_6_0_IO_REMAPPING_NAMED_COMP_NODE;
///
/// Node type 3: SMMUv1 or SMMUv2 node
///
typedef struct {
UINT32 Interrupt;
UINT32 InterruptFlags;
} EFI_ACPI_6_0_IO_REMAPPING_SMMU_INT;
typedef struct {
EFI_ACPI_6_0_IO_REMAPPING_NODE Node;
UINT64 Base;
UINT64 Span;
UINT32 Model;
UINT32 Flags;
UINT32 GlobalInterruptArrayRef;
UINT32 NumContextInterrupts;
UINT32 ContextInterruptArrayRef;
UINT32 NumPmuInterrupts;
UINT32 PmuInterruptArrayRef;
UINT32 SMMU_NSgIrpt;
UINT32 SMMU_NSgIrptFlags;
UINT32 SMMU_NSgCfgIrpt;
UINT32 SMMU_NSgCfgIrptFlags;
//EFI_ACPI_6_0_IO_REMAPPING_SMMU_CTX_INT ContextInterrupt[NumContextInterrupts];
//EFI_ACPI_6_0_IO_REMAPPING_SMMU_CTX_INT PmuInterrupt[NumPmuInterrupts];
} EFI_ACPI_6_0_IO_REMAPPING_SMMU_NODE;
///
/// Node type 4: SMMUv3 node
///
typedef struct {
EFI_ACPI_6_0_IO_REMAPPING_NODE Node;
UINT64 Base;
UINT32 Flags;
UINT32 Reserved;
UINT64 VatosAddress;
UINT32 Model;
UINT32 Event;
UINT32 Pri;
UINT32 Gerr;
UINT32 Sync;
UINT32 ProximityDomain;
UINT32 DeviceIdMappingIndex;
} EFI_ACPI_6_0_IO_REMAPPING_SMMU3_NODE;
///
/// Node type 5: PMCG node
///
typedef struct {
EFI_ACPI_6_0_IO_REMAPPING_NODE Node;
UINT64 Base;
UINT32 OverflowInterruptGsiv;
UINT32 NodeReference;
UINT64 Page1Base;
//EFI_ACPI_6_0_IO_REMAPPING_ID_TABLE OverflowInterruptMsiMapping[1];
} EFI_ACPI_6_0_IO_REMAPPING_PMCG_NODE;
#pragma pack()
#endif
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