kfd_crat.h revision 1.2.2.2
1 /* $NetBSD: kfd_crat.h,v 1.2.2.2 2018/09/06 06:56:10 pgoyette Exp $ */ 2 3 /* 4 * Copyright 2014 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 */ 24 25 #ifndef KFD_CRAT_H_INCLUDED 26 #define KFD_CRAT_H_INCLUDED 27 28 #include <linux/types.h> 29 30 #pragma pack(1) 31 32 /* 33 * 4CC signature values for the CRAT and CDIT ACPI tables 34 */ 35 36 #define CRAT_SIGNATURE "CRAT" 37 #define CDIT_SIGNATURE "CDIT" 38 39 /* 40 * Component Resource Association Table (CRAT) 41 */ 42 43 #define CRAT_OEMID_LENGTH 6 44 #define CRAT_OEMTABLEID_LENGTH 8 45 #define CRAT_RESERVED_LENGTH 6 46 47 #define CRAT_OEMID_64BIT_MASK ((1ULL << (CRAT_OEMID_LENGTH * 8)) - 1) 48 49 struct crat_header { 50 uint32_t signature; 51 uint32_t length; 52 uint8_t revision; 53 uint8_t checksum; 54 uint8_t oem_id[CRAT_OEMID_LENGTH]; 55 uint8_t oem_table_id[CRAT_OEMTABLEID_LENGTH]; 56 uint32_t oem_revision; 57 uint32_t creator_id; 58 uint32_t creator_revision; 59 uint32_t total_entries; 60 uint16_t num_domains; 61 uint8_t reserved[CRAT_RESERVED_LENGTH]; 62 }; 63 64 /* 65 * The header structure is immediately followed by total_entries of the 66 * data definitions 67 */ 68 69 /* 70 * The currently defined subtype entries in the CRAT 71 */ 72 #define CRAT_SUBTYPE_COMPUTEUNIT_AFFINITY 0 73 #define CRAT_SUBTYPE_MEMORY_AFFINITY 1 74 #define CRAT_SUBTYPE_CACHE_AFFINITY 2 75 #define CRAT_SUBTYPE_TLB_AFFINITY 3 76 #define CRAT_SUBTYPE_CCOMPUTE_AFFINITY 4 77 #define CRAT_SUBTYPE_IOLINK_AFFINITY 5 78 #define CRAT_SUBTYPE_MAX 6 79 80 #define CRAT_SIBLINGMAP_SIZE 32 81 82 /* 83 * ComputeUnit Affinity structure and definitions 84 */ 85 #define CRAT_CU_FLAGS_ENABLED 0x00000001 86 #define CRAT_CU_FLAGS_HOT_PLUGGABLE 0x00000002 87 #define CRAT_CU_FLAGS_CPU_PRESENT 0x00000004 88 #define CRAT_CU_FLAGS_GPU_PRESENT 0x00000008 89 #define CRAT_CU_FLAGS_IOMMU_PRESENT 0x00000010 90 #define CRAT_CU_FLAGS_RESERVED 0xffffffe0 91 92 #define CRAT_COMPUTEUNIT_RESERVED_LENGTH 4 93 94 struct crat_subtype_computeunit { 95 uint8_t type; 96 uint8_t length; 97 uint16_t reserved; 98 uint32_t flags; 99 uint32_t proximity_domain; 100 uint32_t processor_id_low; 101 uint16_t num_cpu_cores; 102 uint16_t num_simd_cores; 103 uint16_t max_waves_simd; 104 uint16_t io_count; 105 uint16_t hsa_capability; 106 uint16_t lds_size_in_kb; 107 uint8_t wave_front_size; 108 uint8_t num_banks; 109 uint16_t micro_engine_id; 110 uint8_t num_arrays; 111 uint8_t num_cu_per_array; 112 uint8_t num_simd_per_cu; 113 uint8_t max_slots_scatch_cu; 114 uint8_t reserved2[CRAT_COMPUTEUNIT_RESERVED_LENGTH]; 115 }; 116 117 /* 118 * HSA Memory Affinity structure and definitions 119 */ 120 #define CRAT_MEM_FLAGS_ENABLED 0x00000001 121 #define CRAT_MEM_FLAGS_HOT_PLUGGABLE 0x00000002 122 #define CRAT_MEM_FLAGS_NON_VOLATILE 0x00000004 123 #define CRAT_MEM_FLAGS_RESERVED 0xfffffff8 124 125 #define CRAT_MEMORY_RESERVED_LENGTH 8 126 127 struct crat_subtype_memory { 128 uint8_t type; 129 uint8_t length; 130 uint16_t reserved; 131 uint32_t flags; 132 uint32_t promixity_domain; 133 uint32_t base_addr_low; 134 uint32_t base_addr_high; 135 uint32_t length_low; 136 uint32_t length_high; 137 uint32_t width; 138 uint8_t reserved2[CRAT_MEMORY_RESERVED_LENGTH]; 139 }; 140 141 /* 142 * HSA Cache Affinity structure and definitions 143 */ 144 #define CRAT_CACHE_FLAGS_ENABLED 0x00000001 145 #define CRAT_CACHE_FLAGS_DATA_CACHE 0x00000002 146 #define CRAT_CACHE_FLAGS_INST_CACHE 0x00000004 147 #define CRAT_CACHE_FLAGS_CPU_CACHE 0x00000008 148 #define CRAT_CACHE_FLAGS_SIMD_CACHE 0x00000010 149 #define CRAT_CACHE_FLAGS_RESERVED 0xffffffe0 150 151 #define CRAT_CACHE_RESERVED_LENGTH 8 152 153 struct crat_subtype_cache { 154 uint8_t type; 155 uint8_t length; 156 uint16_t reserved; 157 uint32_t flags; 158 uint32_t processor_id_low; 159 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; 160 uint32_t cache_size; 161 uint8_t cache_level; 162 uint8_t lines_per_tag; 163 uint16_t cache_line_size; 164 uint8_t associativity; 165 uint8_t cache_properties; 166 uint16_t cache_latency; 167 uint8_t reserved2[CRAT_CACHE_RESERVED_LENGTH]; 168 }; 169 170 /* 171 * HSA TLB Affinity structure and definitions 172 */ 173 #define CRAT_TLB_FLAGS_ENABLED 0x00000001 174 #define CRAT_TLB_FLAGS_DATA_TLB 0x00000002 175 #define CRAT_TLB_FLAGS_INST_TLB 0x00000004 176 #define CRAT_TLB_FLAGS_CPU_TLB 0x00000008 177 #define CRAT_TLB_FLAGS_SIMD_TLB 0x00000010 178 #define CRAT_TLB_FLAGS_RESERVED 0xffffffe0 179 180 #define CRAT_TLB_RESERVED_LENGTH 4 181 182 struct crat_subtype_tlb { 183 uint8_t type; 184 uint8_t length; 185 uint16_t reserved; 186 uint32_t flags; 187 uint32_t processor_id_low; 188 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; 189 uint32_t tlb_level; 190 uint8_t data_tlb_associativity_2mb; 191 uint8_t data_tlb_size_2mb; 192 uint8_t instruction_tlb_associativity_2mb; 193 uint8_t instruction_tlb_size_2mb; 194 uint8_t data_tlb_associativity_4k; 195 uint8_t data_tlb_size_4k; 196 uint8_t instruction_tlb_associativity_4k; 197 uint8_t instruction_tlb_size_4k; 198 uint8_t data_tlb_associativity_1gb; 199 uint8_t data_tlb_size_1gb; 200 uint8_t instruction_tlb_associativity_1gb; 201 uint8_t instruction_tlb_size_1gb; 202 uint8_t reserved2[CRAT_TLB_RESERVED_LENGTH]; 203 }; 204 205 /* 206 * HSA CCompute/APU Affinity structure and definitions 207 */ 208 #define CRAT_CCOMPUTE_FLAGS_ENABLED 0x00000001 209 #define CRAT_CCOMPUTE_FLAGS_RESERVED 0xfffffffe 210 211 #define CRAT_CCOMPUTE_RESERVED_LENGTH 16 212 213 struct crat_subtype_ccompute { 214 uint8_t type; 215 uint8_t length; 216 uint16_t reserved; 217 uint32_t flags; 218 uint32_t processor_id_low; 219 uint8_t sibling_map[CRAT_SIBLINGMAP_SIZE]; 220 uint32_t apu_size; 221 uint8_t reserved2[CRAT_CCOMPUTE_RESERVED_LENGTH]; 222 }; 223 224 /* 225 * HSA IO Link Affinity structure and definitions 226 */ 227 #define CRAT_IOLINK_FLAGS_ENABLED 0x00000001 228 #define CRAT_IOLINK_FLAGS_COHERENCY 0x00000002 229 #define CRAT_IOLINK_FLAGS_RESERVED 0xfffffffc 230 231 /* 232 * IO interface types 233 */ 234 #define CRAT_IOLINK_TYPE_UNDEFINED 0 235 #define CRAT_IOLINK_TYPE_HYPERTRANSPORT 1 236 #define CRAT_IOLINK_TYPE_PCIEXPRESS 2 237 #define CRAT_IOLINK_TYPE_OTHER 3 238 #define CRAT_IOLINK_TYPE_MAX 255 239 240 #define CRAT_IOLINK_RESERVED_LENGTH 24 241 242 struct crat_subtype_iolink { 243 uint8_t type; 244 uint8_t length; 245 uint16_t reserved; 246 uint32_t flags; 247 uint32_t proximity_domain_from; 248 uint32_t proximity_domain_to; 249 uint8_t io_interface_type; 250 uint8_t version_major; 251 uint16_t version_minor; 252 uint32_t minimum_latency; 253 uint32_t maximum_latency; 254 uint32_t minimum_bandwidth_mbs; 255 uint32_t maximum_bandwidth_mbs; 256 uint32_t recommended_transfer_size; 257 uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH]; 258 }; 259 260 /* 261 * HSA generic sub-type header 262 */ 263 264 #define CRAT_SUBTYPE_FLAGS_ENABLED 0x00000001 265 266 struct crat_subtype_generic { 267 uint8_t type; 268 uint8_t length; 269 uint16_t reserved; 270 uint32_t flags; 271 }; 272 273 /* 274 * Component Locality Distance Information Table (CDIT) 275 */ 276 #define CDIT_OEMID_LENGTH 6 277 #define CDIT_OEMTABLEID_LENGTH 8 278 279 struct cdit_header { 280 uint32_t signature; 281 uint32_t length; 282 uint8_t revision; 283 uint8_t checksum; 284 uint8_t oem_id[CDIT_OEMID_LENGTH]; 285 uint8_t oem_table_id[CDIT_OEMTABLEID_LENGTH]; 286 uint32_t oem_revision; 287 uint32_t creator_id; 288 uint32_t creator_revision; 289 uint32_t total_entries; 290 uint16_t num_domains; 291 uint8_t entry[1]; 292 }; 293 294 #pragma pack() 295 296 #endif /* KFD_CRAT_H_INCLUDED */ 297
Indexes created Mon Oct 27 20:09:55 GMT 2025