Subrata Banik | 8b9f289 | 2018-01-25 10:50:39 +0530 | [diff] [blame] | 1 | /** @file |
| 2 | ACPI IO Remapping Table (IORT) as specified in ARM spec DEN0049C |
| 3 | |
| 4 | http://infocenter.arm.com/help/topic/com.arm.doc.den0049c/DEN0049C_IO_Remapping_Table.pdf |
| 5 | |
| 6 | Copyright (c) 2017, Linaro Limited. All rights reserved.<BR> |
| 7 | |
| 8 | This program and the accompanying materials |
| 9 | are licensed and made available under the terms and conditions of the BSD License |
| 10 | which accompanies this distribution. The full text of the license may be found at |
| 11 | http://opensource.org/licenses/bsd-license.php |
| 12 | |
| 13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, |
| 14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. |
| 15 | **/ |
| 16 | |
| 17 | #ifndef __IO_REMAPPING_TABLE_H__ |
| 18 | #define __IO_REMAPPING_TABLE_H__ |
| 19 | |
| 20 | #include <IndustryStandard/Acpi.h> |
| 21 | |
| 22 | #define EFI_ACPI_IO_REMAPPING_TABLE_REVISION 0x0 |
| 23 | |
| 24 | #define EFI_ACPI_IORT_TYPE_ITS_GROUP 0x0 |
| 25 | #define EFI_ACPI_IORT_TYPE_NAMED_COMP 0x1 |
| 26 | #define EFI_ACPI_IORT_TYPE_ROOT_COMPLEX 0x2 |
| 27 | #define EFI_ACPI_IORT_TYPE_SMMUv1v2 0x3 |
| 28 | #define EFI_ACPI_IORT_TYPE_SMMUv3 0x4 |
| 29 | #define EFI_ACPI_IORT_TYPE_PMCG 0x5 |
| 30 | |
| 31 | #define EFI_ACPI_IORT_MEM_ACCESS_PROP_CCA BIT0 |
| 32 | |
| 33 | #define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_TR BIT0 |
| 34 | #define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_WA BIT1 |
| 35 | #define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_RA BIT2 |
| 36 | #define EFI_ACPI_IORT_MEM_ACCESS_PROP_AH_AHO BIT3 |
| 37 | |
| 38 | #define EFI_ACPI_IORT_MEM_ACCESS_FLAGS_CPM BIT0 |
| 39 | #define EFI_ACPI_IORT_MEM_ACCESS_FLAGS_DACS BIT1 |
| 40 | |
| 41 | #define EFI_ACPI_IORT_SMMUv1v2_MODEL_v1 0x0 |
| 42 | #define EFI_ACPI_IORT_SMMUv1v2_MODEL_v2 0x1 |
| 43 | #define EFI_ACPI_IORT_SMMUv1v2_MODEL_MMU400 0x2 |
| 44 | #define EFI_ACPI_IORT_SMMUv1v2_MODEL_MMU500 0x3 |
| 45 | #define EFI_ACPI_IORT_SMMUv1v2_MODEL_MMU401 0x4 |
| 46 | #define EFI_ACPI_IORT_SMMUv1v2_MODEL_CAVIUM_THX_v2 0x5 |
| 47 | |
| 48 | #define EFI_ACPI_IORT_SMMUv1v2_FLAG_DVM BIT0 |
| 49 | #define EFI_ACPI_IORT_SMMUv1v2_FLAG_COH_WALK BIT1 |
| 50 | |
| 51 | #define EFI_ACPI_IORT_SMMUv1v2_INT_FLAG_LEVEL 0x0 |
| 52 | #define EFI_ACPI_IORT_SMMUv1v2_INT_FLAG_EDGE 0x1 |
| 53 | |
| 54 | #define EFI_ACPI_IORT_SMMUv3_FLAG_COHAC_OVERRIDE BIT0 |
| 55 | #define EFI_ACPI_IORT_SMMUv3_FLAG_HTTU_OVERRIDE BIT1 |
| 56 | |
| 57 | #define EFI_ACPI_IORT_ROOT_COMPLEX_ATS_UNSUPPORTED 0x0 |
| 58 | #define EFI_ACPI_IORT_ROOT_COMPLEX_ATS_SUPPORTED 0x1 |
| 59 | |
| 60 | #define EFI_ACPI_IORT_ID_MAPPING_FLAGS_SINGLE BIT0 |
| 61 | |
| 62 | #pragma pack(1) |
| 63 | |
| 64 | /// |
| 65 | /// Table header |
| 66 | /// |
| 67 | typedef struct { |
| 68 | EFI_ACPI_DESCRIPTION_HEADER Header; |
| 69 | UINT32 NumNodes; |
| 70 | UINT32 NodeOffset; |
| 71 | UINT32 Reserved; |
| 72 | } EFI_ACPI_6_0_IO_REMAPPING_TABLE; |
| 73 | |
| 74 | /// |
| 75 | /// Definition for ID mapping table shared by all node types |
| 76 | /// |
| 77 | typedef struct { |
| 78 | UINT32 InputBase; |
| 79 | UINT32 NumIds; |
| 80 | UINT32 OutputBase; |
| 81 | UINT32 OutputReference; |
| 82 | UINT32 Flags; |
| 83 | } EFI_ACPI_6_0_IO_REMAPPING_ID_TABLE; |
| 84 | |
| 85 | /// |
| 86 | /// Node header definition shared by all node types |
| 87 | /// |
| 88 | typedef struct { |
| 89 | UINT8 Type; |
| 90 | UINT16 Length; |
| 91 | UINT8 Revision; |
| 92 | UINT32 Reserved; |
| 93 | UINT32 NumIdMappings; |
| 94 | UINT32 IdReference; |
| 95 | } EFI_ACPI_6_0_IO_REMAPPING_NODE; |
| 96 | |
| 97 | /// |
| 98 | /// Node type 0: ITS node |
| 99 | /// |
| 100 | typedef struct { |
| 101 | EFI_ACPI_6_0_IO_REMAPPING_NODE Node; |
| 102 | |
| 103 | UINT32 NumItsIdentifiers; |
| 104 | //UINT32 ItsIdentifiers[NumItsIdentifiers]; |
| 105 | } EFI_ACPI_6_0_IO_REMAPPING_ITS_NODE; |
| 106 | |
| 107 | /// |
| 108 | /// Node type 1: root complex node |
| 109 | /// |
| 110 | typedef struct { |
| 111 | EFI_ACPI_6_0_IO_REMAPPING_NODE Node; |
| 112 | |
| 113 | UINT32 CacheCoherent; |
| 114 | UINT8 AllocationHints; |
| 115 | UINT16 Reserved; |
| 116 | UINT8 MemoryAccessFlags; |
| 117 | |
| 118 | UINT32 AtsAttribute; |
| 119 | UINT32 PciSegmentNumber; |
| 120 | } EFI_ACPI_6_0_IO_REMAPPING_RC_NODE; |
| 121 | |
| 122 | /// |
| 123 | /// Node type 2: named component node |
| 124 | /// |
| 125 | typedef struct { |
| 126 | EFI_ACPI_6_0_IO_REMAPPING_NODE Node; |
| 127 | |
| 128 | UINT32 Flags; |
| 129 | UINT32 CacheCoherent; |
| 130 | UINT8 AllocationHints; |
| 131 | UINT16 Reserved; |
| 132 | UINT8 MemoryAccessFlags; |
| 133 | UINT8 AddressSizeLimit; |
| 134 | //UINT8 ObjectName[]; |
| 135 | } EFI_ACPI_6_0_IO_REMAPPING_NAMED_COMP_NODE; |
| 136 | |
| 137 | /// |
| 138 | /// Node type 3: SMMUv1 or SMMUv2 node |
| 139 | /// |
| 140 | typedef struct { |
| 141 | UINT32 Interrupt; |
| 142 | UINT32 InterruptFlags; |
| 143 | } EFI_ACPI_6_0_IO_REMAPPING_SMMU_INT; |
| 144 | |
| 145 | typedef struct { |
| 146 | EFI_ACPI_6_0_IO_REMAPPING_NODE Node; |
| 147 | |
| 148 | UINT64 Base; |
| 149 | UINT64 Span; |
| 150 | UINT32 Model; |
| 151 | UINT32 Flags; |
| 152 | UINT32 GlobalInterruptArrayRef; |
| 153 | UINT32 NumContextInterrupts; |
| 154 | UINT32 ContextInterruptArrayRef; |
| 155 | UINT32 NumPmuInterrupts; |
| 156 | UINT32 PmuInterruptArrayRef; |
| 157 | |
| 158 | UINT32 SMMU_NSgIrpt; |
| 159 | UINT32 SMMU_NSgIrptFlags; |
| 160 | UINT32 SMMU_NSgCfgIrpt; |
| 161 | UINT32 SMMU_NSgCfgIrptFlags; |
| 162 | |
| 163 | //EFI_ACPI_6_0_IO_REMAPPING_SMMU_CTX_INT ContextInterrupt[NumContextInterrupts]; |
| 164 | //EFI_ACPI_6_0_IO_REMAPPING_SMMU_CTX_INT PmuInterrupt[NumPmuInterrupts]; |
| 165 | } EFI_ACPI_6_0_IO_REMAPPING_SMMU_NODE; |
| 166 | |
| 167 | /// |
| 168 | /// Node type 4: SMMUv4 node |
| 169 | /// |
| 170 | typedef struct { |
| 171 | EFI_ACPI_6_0_IO_REMAPPING_NODE Node; |
| 172 | |
| 173 | UINT64 Base; |
| 174 | UINT32 Flags; |
| 175 | UINT32 Reserved; |
| 176 | UINT64 VatosAddress; |
| 177 | UINT32 Model; |
| 178 | UINT32 Event; |
| 179 | UINT32 Pri; |
| 180 | UINT32 Gerr; |
| 181 | UINT32 Sync; |
| 182 | } EFI_ACPI_6_0_IO_REMAPPING_SMMU3_NODE; |
| 183 | |
| 184 | /// |
| 185 | /// Node type 5: PMCG node |
| 186 | /// |
| 187 | typedef struct { |
| 188 | EFI_ACPI_6_0_IO_REMAPPING_NODE Node; |
| 189 | |
| 190 | UINT64 Base; |
| 191 | UINT32 OverflowInterruptGsiv; |
| 192 | UINT32 NodeReference; |
| 193 | //EFI_ACPI_6_0_IO_REMAPPING_ID_TABLE OverflowInterruptMsiMapping[1]; |
| 194 | } EFI_ACPI_6_0_IO_REMAPPING_PMCG_NODE; |
| 195 | |
| 196 | #pragma pack() |
| 197 | |
| 198 | #endif |