projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 5b5c4e40 EP |
1 | /* |
| 2 | * Copyright 2014 Advanced Micro Devices, Inc. | |
| 3 | * | |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
| 5 | * copy of this software and associated documentation files (the "Software"), | |
| 6 | * to deal in the Software without restriction, including without limitation | |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the | |
| 9 | * Software is furnished to do so, subject to the following conditions: | |
| 10 | * | |
| 11 | * The above copyright notice and this permission notice shall be included in | |
| 12 | * all copies or substantial portions of the Software. | |
| 13 | * | |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. | |
| 21 | */ | |
| 22 | ||
| 23 | #ifndef KFD_CRAT_H_INCLUDED | |
| 24 | #define KFD_CRAT_H_INCLUDED | |
| 25 | ||
| 26 | #include <linux/types.h> | |
| 27 | ||
| 28 | #pragma pack(1) | |
| 29 | ||
| 30 | /* | |
| 31 | * 4CC signature values for the CRAT and CDIT ACPI tables | |
| 32 | */ | |
| 33 | ||
| 34 | #define CRAT_SIGNATURE "CRAT" | |
| 35 | #define CDIT_SIGNATURE "CDIT" | |
| 36 | ||
| 37 | /* | |
| 38 | * Component Resource Association Table (CRAT) | |
| 39 | */ | |
| 40 | ||
| 41 | #define CRAT_OEMID_LENGTH 6 | |
| 42 | #define CRAT_OEMTABLEID_LENGTH 8 | |
| 43 | #define CRAT_RESERVED_LENGTH 6 | |
| 44 | ||
| 45 | #define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) | |
| 46 | ||
| 47 | struct crat_header { | |
| 48 | uint32_t signature; | |
| 49 | uint32_t length; | |
| 50 | uint8_t revision; | |
| 51 | uint8_t checksum; | |
| 52 | uint8_t oem_id[CRAT_OEMID_LENGTH]; | |
| 53 | uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; | |
| 54 | uint32_t oem_revision; | |
| 55 | uint32_t creator_id; | |
| 56 | uint32_t creator_revision; | |
| 57 | uint32_t total_entries; | |
| 58 | uint16_t num_domains; | |
| 59 | uint8_t reserved[CRAT_RESERVED_LENGTH]; | |
| 60 | }; | |
| 61 | ||
| 62 | /* | |
| 63 | * The header structure is immediately followed by total_entries of the | |
| 64 | * data definitions | |
| 65 | */ | |
| 66 | ||
| 67 | /* | |
| 68 | * The currently defined subtype entries in the CRAT | |
| 69 | */ | |
| 70 | #define CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY 0 | |
| 71 | #define CRAT_SUBTYPE_MEMORY_AFFINITY 1 | |
| 72 | #define CRAT_SUBTYPE_CACHE_AFFINITY 2 | |
| 73 | #define CRAT_SUBTYPE_TLB_AFFINITY 3 | |
| 74 | #define CRAT_SUBTYPE_CCOMPUTE_AFFINITY 4 | |
| 75 | #define CRAT_SUBTYPE_IOLINK_AFFINITY 5 | |
| 76 | #define CRAT_SUBTYPE_MAX 6 | |
| 77 | ||
| 78 | #define CRAT_SIBLINGMAP_SIZE 32 | |
| 79 | ||
| 80 | /* | |
| 81 | * ComputeUnit Affinity structure and definitions | |
| 82 | */ | |
| 83 | #define CRAT_CU_FLAGS_ENABLED 0x00000001 | |
| 84 | #define CRAT_CU_FLAGS_HOT_PLUGGABLE 0x00000002 | |
| 85 | #define CRAT_CU_FLAGS_CPU_PRESENT 0x00000004 | |
| 86 | #define CRAT_CU_FLAGS_GPU_PRESENT 0x00000008 | |
| 87 | #define CRAT_CU_FLAGS_IOMMU_PRESENT 0x00000010 | |
| 88 | #define CRAT_CU_FLAGS_RESERVED 0xffffffe0 | |
| 89 | ||
| 90 | #define CRAT_COMPUTEUNIT_RESERVED_LENGTH 4 | |
| 91 | ||
| 92 | struct crat_subtype_computeunit { | |
| 93 | uint8_t type; | |
| 94 | uint8_t length; | |
| 95 | uint16_t reserved; | |
| 96 | uint32_t flags; | |
| 97 | uint32_t proximity_domain; | |
| 98 | uint32_t processor_id_low; | |
| 99 | uint16_t num_cpu_cores; | |
| 100 | uint16_t num_simd_cores; | |
| 101 | uint16_t max_waves_simd; | |
| 102 | uint16_t io_count; | |
| 103 | uint16_t hsa_capability; | |
| 104 | uint16_t lds_size_in_kb; | |
| 105 | uint8_t wave_front_size; | |
| 106 | uint8_t num_banks; | |
| 107 | uint16_t micro_engine_id; | |
| 108 | uint8_t num_arrays; | |
| 109 | uint8_t num_cu_per_array; | |
| 110 | uint8_t num_simd_per_cu; | |
| 111 | uint8_t max_slots_scatch_cu; | |
| 112 | uint8_t reserved2[CRAT_COMPUTEUNIT_RESERVED_LENGTH]; | |
| 113 | }; | |
| 114 | ||
| 115 | /* | |
| 116 | * HSA Memory Affinity structure and definitions | |
| 117 | */ | |
| 118 | #define CRAT_MEM_FLAGS_ENABLED 0x00000001 | |
| 119 | #define CRAT_MEM_FLAGS_HOT_PLUGGABLE 0x00000002 | |
| 120 | #define CRAT_MEM_FLAGS_NON_VOLATILE 0x00000004 | |
| 121 | #define CRAT_MEM_FLAGS_RESERVED 0xfffffff8 | |
| 122 | ||
| 123 | #define CRAT_MEMORY_RESERVED_LENGTH 8 | |
| 124 | ||
| 125 | struct crat_subtype_memory { | |
| 126 | uint8_t type; | |
| 127 | uint8_t length; | |
| 128 | uint16_t reserved; | |
| 129 | uint32_t flags; | |
| 130 | uint32_t promixity_domain; | |
| 131 | uint32_t base_addr_low; | |
| 132 | uint32_t base_addr_high; | |
| 133 | uint32_t length_low; | |
| 134 | uint32_t length_high; | |
| 135 | uint32_t width; | |
| 136 | uint8_t reserved2[CRAT_MEMORY_RESERVED_LENGTH]; | |
| 137 | }; | |
| 138 | ||
| 139 | /* | |
| 140 | * HSA Cache Affinity structure and definitions | |
| 141 | */ | |
| 142 | #define CRAT_CACHE_FLAGS_ENABLED 0x00000001 | |
| 143 | #define CRAT_CACHE_FLAGS_DATA_CACHE 0x00000002 | |
| 144 | #define CRAT_CACHE_FLAGS_INST_CACHE 0x00000004 | |
| 145 | #define CRAT_CACHE_FLAGS_CPU_CACHE 0x00000008 | |
| 146 | #define CRAT_CACHE_FLAGS_SIMD_CACHE 0x00000010 | |
| 147 | #define CRAT_CACHE_FLAGS_RESERVED 0xffffffe0 | |
| 148 | ||
| 149 | #define CRAT_CACHE_RESERVED_LENGTH 8 | |
| 150 | ||
| 151 | struct crat_subtype_cache { | |
| 152 | uint8_t type; | |
| 153 | uint8_t length; | |
| 154 | uint16_t reserved; | |
| 155 | uint32_t flags; | |
| 156 | uint32_t processor_id_low; | |
| 157 | uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; | |
| 158 | uint32_t cache_size; | |
| 159 | uint8_t cache_level; | |
| 160 | uint8_t lines_per_tag; | |
| 161 | uint16_t cache_line_size; | |
| 162 | uint8_t associativity; | |
| 163 | uint8_t cache_properties; | |
| 164 | uint16_t cache_latency; | |
| 165 | uint8_t reserved2[CRAT_CACHE_RESERVED_LENGTH]; | |
| 166 | }; | |
| 167 | ||
| 168 | /* | |
| 169 | * HSA TLB Affinity structure and definitions | |
| 170 | */ | |
| 171 | #define CRAT_TLB_FLAGS_ENABLED 0x00000001 | |
| 172 | #define CRAT_TLB_FLAGS_DATA_TLB 0x00000002 | |
| 173 | #define CRAT_TLB_FLAGS_INST_TLB 0x00000004 | |
| 174 | #define CRAT_TLB_FLAGS_CPU_TLB 0x00000008 | |
| 175 | #define CRAT_TLB_FLAGS_SIMD_TLB 0x00000010 | |
| 176 | #define CRAT_TLB_FLAGS_RESERVED 0xffffffe0 | |
| 177 | ||
| 178 | #define CRAT_TLB_RESERVED_LENGTH 4 | |
| 179 | ||
| 180 | struct crat_subtype_tlb { | |
| 181 | uint8_t type; | |
| 182 | uint8_t length; | |
| 183 | uint16_t reserved; | |
| 184 | uint32_t flags; | |
| 185 | uint32_t processor_id_low; | |
| 186 | uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; | |
| 187 | uint32_t tlb_level; | |
| 188 | uint8_t data_tlb_associativity_2mb; | |
| 189 | uint8_t data_tlb_size_2mb; | |
| 190 | uint8_t instruction_tlb_associativity_2mb; | |
| 191 | uint8_t instruction_tlb_size_2mb; | |
| 192 | uint8_t data_tlb_associativity_4k; | |
| 193 | uint8_t data_tlb_size_4k; | |
| 194 | uint8_t instruction_tlb_associativity_4k; | |
| 195 | uint8_t instruction_tlb_size_4k; | |
| 196 | uint8_t data_tlb_associativity_1gb; | |
| 197 | uint8_t data_tlb_size_1gb; | |
| 198 | uint8_t instruction_tlb_associativity_1gb; | |
| 199 | uint8_t instruction_tlb_size_1gb; | |
| 200 | uint8_t reserved2[CRAT_TLB_RESERVED_LENGTH]; | |
| 201 | }; | |
| 202 | ||
| 203 | /* | |
| 204 | * HSA CCompute/APU Affinity structure and definitions | |
| 205 | */ | |
| 206 | #define CRAT_CCOMPUTE_FLAGS_ENABLED 0x00000001 | |
| 207 | #define CRAT_CCOMPUTE_FLAGS_RESERVED 0xfffffffe | |
| 208 | ||
| 209 | #define CRAT_CCOMPUTE_RESERVED_LENGTH 16 | |
| 210 | ||
| 211 | struct crat_subtype_ccompute { | |
| 212 | uint8_t type; | |
| 213 | uint8_t length; | |
| 214 | uint16_t reserved; | |
| 215 | uint32_t flags; | |
| 216 | uint32_t processor_id_low; | |
| 217 | uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; | |
| 218 | uint32_t apu_size; | |
| 219 | uint8_t reserved2[CRAT_CCOMPUTE_RESERVED_LENGTH]; | |
| 220 | }; | |
| 221 | ||
| 222 | /* | |
| 223 | * HSA IO Link Affinity structure and definitions | |
| 224 | */ | |
| 225 | #define CRAT_IOLINK_FLAGS_ENABLED 0x00000001 | |
| 226 | #define CRAT_IOLINK_FLAGS_COHERENCY 0x00000002 | |
| 227 | #define CRAT_IOLINK_FLAGS_RESERVED 0xfffffffc | |
| 228 | ||
| 229 | /* | |
| 230 | * IO interface types | |
| 231 | */ | |
| 232 | #define CRAT_IOLINK_TYPE_UNDEFINED 0 | |
| 233 | #define CRAT_IOLINK_TYPE_HYPERTRANSPORT 1 | |
| 234 | #define CRAT_IOLINK_TYPE_PCIEXPRESS 2 | |
| 235 | #define CRAT_IOLINK_TYPE_OTHER 3 | |
| 236 | #define CRAT_IOLINK_TYPE_MAX 255 | |
| 237 | ||
| 238 | #define CRAT_IOLINK_RESERVED_LENGTH 24 | |
| 239 | ||
| 240 | struct crat_subtype_iolink { | |
| 241 | uint8_t type; | |
| 242 | uint8_t length; | |
| 243 | uint16_t reserved; | |
| 244 | uint32_t flags; | |
| 245 | uint32_t proximity_domain_from; | |
| 246 | uint32_t proximity_domain_to; | |
| 247 | uint8_t io_interface_type; | |
| 248 | uint8_t version_major; | |
| 249 | uint16_t version_minor; | |
| 250 | uint32_t minimum_latency; | |
| 251 | uint32_t maximum_latency; | |
| 252 | uint32_t minimum_bandwidth_mbs; | |
| 253 | uint32_t maximum_bandwidth_mbs; | |
| 254 | uint32_t recommended_transfer_size; | |
| 255 | uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH]; | |
| 256 | }; | |
| 257 | ||
| 258 | /* | |
| 259 | * HSA generic sub-type header | |
| 260 | */ | |
| 261 | ||
| 262 | #define CRAT_SUBTYPE_FLAGS_ENABLED 0x00000001 | |
| 263 | ||
| 264 | struct crat_subtype_generic { | |
| 265 | uint8_t type; | |
| 266 | uint8_t length; | |
| 267 | uint16_t reserved; | |
| 268 | uint32_t flags; | |
| 269 | }; | |
| 270 | ||
| 271 | /* | |
| 272 | * Component Locality Distance Information Table (CDIT) | |
| 273 | */ | |
| 274 | #define CDIT_OEMID_LENGTH 6 | |
| 275 | #define CDIT_OEMTABLEID_LENGTH 8 | |
| 276 | ||
| 277 | struct cdit_header { | |
| 278 | uint32_t signature; | |
| 279 | uint32_t length; | |
| 280 | uint8_t revision; | |
| 281 | uint8_t checksum; | |
| 282 | uint8_t oem_id[CDIT_OEMID_LENGTH]; | |
| 283 | uint8_t oem_table_id[CDIT_OEMTABLEID_LENGTH]; | |
| 284 | uint32_t oem_revision; | |
| 285 | uint32_t creator_id; | |
| 286 | uint32_t creator_revision; | |
| 287 | uint32_t total_entries; | |
| 288 | uint16_t num_domains; | |
| 289 | uint8_t entry[1]; | |
| 290 | }; | |
| 291 | ||
| 292 | #pragma pack() | |
| 293 | ||
| 294 | #endif /* KFD_CRAT_H_INCLUDED */ |