acpi_srat.c revision 1.3.2.2
1 1.3.2.2 yamt /* $NetBSD: acpi_srat.c,v 1.3.2.2 2010/03/11 15:03:22 yamt Exp $ */ 2 1.3.2.2 yamt 3 1.3.2.2 yamt /* 4 1.3.2.2 yamt * Copyright (c) 2009 The NetBSD Foundation, Inc. 5 1.3.2.2 yamt * All rights reserved. 6 1.3.2.2 yamt * 7 1.3.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.3.2.2 yamt * by Christoph Egger. 9 1.3.2.2 yamt * 10 1.3.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.3.2.2 yamt * modification, are permitted provided that the following conditions 12 1.3.2.2 yamt * are met: 13 1.3.2.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.3.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.3.2.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.3.2.2 yamt * documentation and/or other materials provided with the distribution. 18 1.3.2.2 yamt * 19 1.3.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.3.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.3.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.3.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.3.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.3.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.3.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.3.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.3.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.3.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.3.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 30 1.3.2.2 yamt */ 31 1.3.2.2 yamt 32 1.3.2.2 yamt #include <sys/cdefs.h> 33 1.3.2.2 yamt __KERNEL_RCSID(0, "$NetBSD: acpi_srat.c,v 1.3.2.2 2010/03/11 15:03:22 yamt Exp $"); 34 1.3.2.2 yamt 35 1.3.2.2 yamt #include <sys/param.h> 36 1.3.2.2 yamt #include <sys/kmem.h> 37 1.3.2.2 yamt #include <sys/systm.h> 38 1.3.2.2 yamt 39 1.3.2.2 yamt #include <dev/acpi/acpivar.h> 40 1.3.2.2 yamt #include <dev/acpi/acpi_srat.h> 41 1.3.2.2 yamt 42 1.3.2.2 yamt static ACPI_TABLE_SRAT *srat; 43 1.3.2.2 yamt 44 1.3.2.2 yamt struct acpisrat_node { 45 1.3.2.2 yamt acpisrat_nodeid_t nodeid; 46 1.3.2.2 yamt uint32_t ncpus; /* Number of cpus in this node */ 47 1.3.2.2 yamt struct acpisrat_cpu **cpu; /* Array of cpus */ 48 1.3.2.2 yamt uint32_t nmems; /* Number of memory ranges in this node */ 49 1.3.2.2 yamt struct acpisrat_mem **mem; /* Array of memory ranges */ 50 1.3.2.2 yamt }; 51 1.3.2.2 yamt 52 1.3.2.2 yamt static uint32_t nnodes; /* Number of NUMA nodes */ 53 1.3.2.2 yamt static struct acpisrat_node *node_array; /* Array of NUMA nodes */ 54 1.3.2.2 yamt static uint32_t ncpus; /* Number of CPUs */ 55 1.3.2.2 yamt static struct acpisrat_cpu *cpu_array; /* Array of cpus */ 56 1.3.2.2 yamt static uint32_t nmems; /* Number of Memory ranges */ 57 1.3.2.2 yamt static struct acpisrat_mem *mem_array; 58 1.3.2.2 yamt 59 1.3.2.2 yamt 60 1.3.2.2 yamt struct cpulist { 61 1.3.2.2 yamt struct acpisrat_cpu cpu; 62 1.3.2.2 yamt TAILQ_ENTRY(cpulist) entry; 63 1.3.2.2 yamt }; 64 1.3.2.2 yamt 65 1.3.2.2 yamt static TAILQ_HEAD(, cpulist) cpulisthead; 66 1.3.2.2 yamt 67 1.3.2.2 yamt #define CPU_INIT TAILQ_INIT(&cpulisthead); 68 1.3.2.2 yamt #define CPU_FOREACH(cpu) TAILQ_FOREACH(cpu, &cpulisthead, entry) 69 1.3.2.2 yamt #define CPU_ADD(cpu) TAILQ_INSERT_TAIL(&cpulisthead, cpu, entry) 70 1.3.2.2 yamt #define CPU_REM(cpu) TAILQ_REMOVE(&cpulisthead, cpu, entry) 71 1.3.2.2 yamt #define CPU_FIRST TAILQ_FIRST(&cpulisthead) 72 1.3.2.2 yamt 73 1.3.2.2 yamt 74 1.3.2.2 yamt struct memlist { 75 1.3.2.2 yamt struct acpisrat_mem mem; 76 1.3.2.2 yamt TAILQ_ENTRY(memlist) entry; 77 1.3.2.2 yamt }; 78 1.3.2.2 yamt 79 1.3.2.2 yamt static TAILQ_HEAD(, memlist) memlisthead; 80 1.3.2.2 yamt 81 1.3.2.2 yamt #define MEM_INIT TAILQ_INIT(&memlisthead) 82 1.3.2.2 yamt #define MEM_FOREACH(mem) TAILQ_FOREACH(mem, &memlisthead, entry) 83 1.3.2.2 yamt #define MEM_ADD(mem) TAILQ_INSERT_TAIL(&memlisthead, mem, entry) 84 1.3.2.2 yamt #define MEM_ADD_BEFORE(mem, b) TAILQ_INSERT_BEFORE(b, mem, entry) 85 1.3.2.2 yamt #define MEM_REM(mem) TAILQ_REMOVE(&memlisthead, mem, entry) 86 1.3.2.2 yamt #define MEM_FIRST TAILQ_FIRST(&memlisthead) 87 1.3.2.2 yamt 88 1.3.2.2 yamt 89 1.3.2.2 yamt static struct cpulist * 90 1.3.2.2 yamt cpu_alloc(void) 91 1.3.2.2 yamt { 92 1.3.2.2 yamt return kmem_zalloc(sizeof(struct cpulist), KM_NOSLEEP); 93 1.3.2.2 yamt } 94 1.3.2.2 yamt 95 1.3.2.2 yamt static void 96 1.3.2.2 yamt cpu_free(struct cpulist *c) 97 1.3.2.2 yamt { 98 1.3.2.2 yamt kmem_free(c, sizeof(struct cpulist)); 99 1.3.2.2 yamt } 100 1.3.2.2 yamt 101 1.3.2.2 yamt #if 0 102 1.3.2.2 yamt static struct cpulist * 103 1.3.2.2 yamt cpu_get(acpisrat_nodeid_t nodeid) 104 1.3.2.2 yamt { 105 1.3.2.2 yamt struct cpulist *tmp; 106 1.3.2.2 yamt 107 1.3.2.2 yamt CPU_FOREACH(tmp) { 108 1.3.2.2 yamt if (tmp->cpu.nodeid == nodeid) 109 1.3.2.2 yamt return tmp; 110 1.3.2.2 yamt } 111 1.3.2.2 yamt 112 1.3.2.2 yamt return NULL; 113 1.3.2.2 yamt } 114 1.3.2.2 yamt #endif 115 1.3.2.2 yamt 116 1.3.2.2 yamt static struct memlist * 117 1.3.2.2 yamt mem_alloc(void) 118 1.3.2.2 yamt { 119 1.3.2.2 yamt return kmem_zalloc(sizeof(struct memlist), KM_NOSLEEP); 120 1.3.2.2 yamt } 121 1.3.2.2 yamt 122 1.3.2.2 yamt static void 123 1.3.2.2 yamt mem_free(struct memlist *m) 124 1.3.2.2 yamt { 125 1.3.2.2 yamt kmem_free(m, sizeof(struct memlist)); 126 1.3.2.2 yamt } 127 1.3.2.2 yamt 128 1.3.2.2 yamt static struct memlist * 129 1.3.2.2 yamt mem_get(acpisrat_nodeid_t nodeid) 130 1.3.2.2 yamt { 131 1.3.2.2 yamt struct memlist *tmp; 132 1.3.2.2 yamt 133 1.3.2.2 yamt MEM_FOREACH(tmp) { 134 1.3.2.2 yamt if (tmp->mem.nodeid == nodeid) 135 1.3.2.2 yamt return tmp; 136 1.3.2.2 yamt } 137 1.3.2.2 yamt 138 1.3.2.2 yamt return NULL; 139 1.3.2.2 yamt } 140 1.3.2.2 yamt 141 1.3.2.2 yamt 142 1.3.2.2 yamt bool 143 1.3.2.2 yamt acpisrat_exist(void) 144 1.3.2.2 yamt { 145 1.3.2.2 yamt ACPI_TABLE_HEADER *table; 146 1.3.2.2 yamt ACPI_STATUS rv; 147 1.3.2.2 yamt 148 1.3.2.2 yamt rv = AcpiGetTable(ACPI_SIG_SRAT, 1, (ACPI_TABLE_HEADER **)&table); 149 1.3.2.2 yamt if (ACPI_FAILURE(rv)) 150 1.3.2.2 yamt return false; 151 1.3.2.2 yamt 152 1.3.2.2 yamt /* Check if header is valid */ 153 1.3.2.2 yamt if (table == NULL) 154 1.3.2.2 yamt return false; 155 1.3.2.2 yamt 156 1.3.2.2 yamt if (table->Length == 0xffffffff) 157 1.3.2.2 yamt return false; 158 1.3.2.2 yamt 159 1.3.2.2 yamt srat = (ACPI_TABLE_SRAT *)table; 160 1.3.2.2 yamt 161 1.3.2.2 yamt return true; 162 1.3.2.2 yamt } 163 1.3.2.2 yamt 164 1.3.2.2 yamt static int 165 1.3.2.2 yamt acpisrat_parse(void) 166 1.3.2.2 yamt { 167 1.3.2.2 yamt ACPI_SUBTABLE_HEADER *subtable; 168 1.3.2.2 yamt ACPI_SRAT_CPU_AFFINITY *srat_cpu; 169 1.3.2.2 yamt ACPI_SRAT_MEM_AFFINITY *srat_mem; 170 1.3.2.2 yamt ACPI_SRAT_X2APIC_CPU_AFFINITY *srat_x2apic; 171 1.3.2.2 yamt 172 1.3.2.2 yamt acpisrat_nodeid_t nodeid; 173 1.3.2.2 yamt struct cpulist *cpuentry = NULL; 174 1.3.2.2 yamt struct memlist *mementry; 175 1.3.2.2 yamt uint32_t srat_pos; 176 1.3.2.2 yamt bool ignore_cpu_affinity = false; 177 1.3.2.2 yamt 178 1.3.2.2 yamt KASSERT(srat != NULL); 179 1.3.2.2 yamt 180 1.3.2.2 yamt /* Content starts right after the header */ 181 1.3.2.2 yamt srat_pos = sizeof(ACPI_TABLE_SRAT); 182 1.3.2.2 yamt 183 1.3.2.2 yamt while (srat_pos < srat->Header.Length) { 184 1.3.2.2 yamt subtable = (ACPI_SUBTABLE_HEADER *)((char *)srat + srat_pos); 185 1.3.2.2 yamt srat_pos += subtable->Length; 186 1.3.2.2 yamt 187 1.3.2.2 yamt switch (subtable->Type) { 188 1.3.2.2 yamt case ACPI_SRAT_TYPE_CPU_AFFINITY: 189 1.3.2.2 yamt if (ignore_cpu_affinity) 190 1.3.2.2 yamt continue; 191 1.3.2.2 yamt 192 1.3.2.2 yamt srat_cpu = (ACPI_SRAT_CPU_AFFINITY *)subtable; 193 1.3.2.2 yamt nodeid = (srat_cpu->ProximityDomainHi[2] << 24) | 194 1.3.2.2 yamt (srat_cpu->ProximityDomainHi[1] << 16) | 195 1.3.2.2 yamt (srat_cpu->ProximityDomainHi[0] << 8) | 196 1.3.2.2 yamt (srat_cpu->ProximityDomainLo); 197 1.3.2.2 yamt 198 1.3.2.2 yamt cpuentry = cpu_alloc(); 199 1.3.2.2 yamt if (cpuentry == NULL) 200 1.3.2.2 yamt return ENOMEM; 201 1.3.2.2 yamt CPU_ADD(cpuentry); 202 1.3.2.2 yamt 203 1.3.2.2 yamt cpuentry->cpu.nodeid = nodeid; 204 1.3.2.2 yamt cpuentry->cpu.apicid = srat_cpu->ApicId; 205 1.3.2.2 yamt cpuentry->cpu.sapiceid = srat_cpu->LocalSapicEid; 206 1.3.2.2 yamt cpuentry->cpu.flags = srat_cpu->Flags; 207 1.3.2.2 yamt cpuentry->cpu.clockdomain = srat_cpu->ClockDomain; 208 1.3.2.2 yamt break; 209 1.3.2.2 yamt 210 1.3.2.2 yamt case ACPI_SRAT_TYPE_MEMORY_AFFINITY: 211 1.3.2.2 yamt srat_mem = (ACPI_SRAT_MEM_AFFINITY *)subtable; 212 1.3.2.2 yamt nodeid = srat_mem->ProximityDomain; 213 1.3.2.2 yamt 214 1.3.2.2 yamt mementry = mem_alloc(); 215 1.3.2.2 yamt if (mementry == NULL) 216 1.3.2.2 yamt return ENOMEM; 217 1.3.2.2 yamt MEM_ADD(mementry); 218 1.3.2.2 yamt 219 1.3.2.2 yamt mementry->mem.nodeid = nodeid; 220 1.3.2.2 yamt mementry->mem.baseaddress = srat_mem->BaseAddress; 221 1.3.2.2 yamt mementry->mem.length = srat_mem->Length; 222 1.3.2.2 yamt mementry->mem.flags = srat_mem->Flags; 223 1.3.2.2 yamt break; 224 1.3.2.2 yamt 225 1.3.2.2 yamt case ACPI_SRAT_TYPE_X2APIC_CPU_AFFINITY: 226 1.3.2.2 yamt srat_x2apic = (ACPI_SRAT_X2APIC_CPU_AFFINITY *)subtable; 227 1.3.2.2 yamt nodeid = srat_x2apic->ProximityDomain; 228 1.3.2.2 yamt 229 1.3.2.2 yamt /* This table entry overrides 230 1.3.2.2 yamt * ACPI_SRAT_TYPE_CPU_AFFINITY. 231 1.3.2.2 yamt */ 232 1.3.2.2 yamt if (!ignore_cpu_affinity) { 233 1.3.2.2 yamt struct cpulist *citer; 234 1.3.2.2 yamt while ((citer = CPU_FIRST) != NULL) { 235 1.3.2.2 yamt CPU_REM(citer); 236 1.3.2.2 yamt cpu_free(citer); 237 1.3.2.2 yamt } 238 1.3.2.2 yamt ignore_cpu_affinity = true; 239 1.3.2.2 yamt } 240 1.3.2.2 yamt 241 1.3.2.2 yamt cpuentry = cpu_alloc(); 242 1.3.2.2 yamt if (cpuentry == NULL) 243 1.3.2.2 yamt return ENOMEM; 244 1.3.2.2 yamt CPU_ADD(cpuentry); 245 1.3.2.2 yamt 246 1.3.2.2 yamt cpuentry->cpu.nodeid = nodeid; 247 1.3.2.2 yamt cpuentry->cpu.apicid = srat_x2apic->ApicId; 248 1.3.2.2 yamt cpuentry->cpu.clockdomain = srat_x2apic->ClockDomain; 249 1.3.2.2 yamt cpuentry->cpu.flags = srat_x2apic->Flags; 250 1.3.2.2 yamt break; 251 1.3.2.2 yamt 252 1.3.2.2 yamt case ACPI_SRAT_TYPE_RESERVED: 253 1.3.2.2 yamt printf("ACPI SRAT subtable reserved, length: 0x%x\n", 254 1.3.2.2 yamt subtable->Length); 255 1.3.2.2 yamt break; 256 1.3.2.2 yamt } 257 1.3.2.2 yamt } 258 1.3.2.2 yamt 259 1.3.2.2 yamt return 0; 260 1.3.2.2 yamt } 261 1.3.2.2 yamt 262 1.3.2.2 yamt static int 263 1.3.2.2 yamt acpisrat_quirks(void) 264 1.3.2.2 yamt { 265 1.3.2.2 yamt struct cpulist *citer; 266 1.3.2.2 yamt struct memlist *mem, *miter; 267 1.3.2.2 yamt 268 1.3.2.2 yamt /* Some sanity checks. */ 269 1.3.2.2 yamt 270 1.3.2.2 yamt /* Deal with holes in the memory nodes. 271 1.3.2.2 yamt * BIOS doesn't enlist memory nodes which 272 1.3.2.2 yamt * don't have any memory modules plugged in. 273 1.3.2.2 yamt * This behaviour has been observed on AMD machines. 274 1.3.2.2 yamt * 275 1.3.2.2 yamt * Do that by searching for CPUs in NUMA nodes 276 1.3.2.2 yamt * which don't exist in the memory and then insert 277 1.3.2.2 yamt * a zero memory range for the missing node. 278 1.3.2.2 yamt */ 279 1.3.2.2 yamt CPU_FOREACH(citer) { 280 1.3.2.2 yamt mem = mem_get(citer->cpu.nodeid); 281 1.3.2.2 yamt if (mem != NULL) 282 1.3.2.2 yamt continue; 283 1.3.2.2 yamt mem = mem_alloc(); 284 1.3.2.2 yamt if (mem == NULL) 285 1.3.2.2 yamt return ENOMEM; 286 1.3.2.2 yamt mem->mem.nodeid = citer->cpu.nodeid; 287 1.3.2.2 yamt /* all other fields are already zero filled */ 288 1.3.2.2 yamt 289 1.3.2.2 yamt MEM_FOREACH(miter) { 290 1.3.2.2 yamt if (miter->mem.nodeid < citer->cpu.nodeid) 291 1.3.2.2 yamt continue; 292 1.3.2.2 yamt MEM_ADD_BEFORE(mem, miter); 293 1.3.2.2 yamt break; 294 1.3.2.2 yamt } 295 1.3.2.2 yamt } 296 1.3.2.2 yamt 297 1.3.2.2 yamt return 0; 298 1.3.2.2 yamt } 299 1.3.2.2 yamt 300 1.3.2.2 yamt int 301 1.3.2.2 yamt acpisrat_init(void) 302 1.3.2.2 yamt { 303 1.3.2.2 yamt if (!acpisrat_exist()) 304 1.3.2.2 yamt return EEXIST; 305 1.3.2.2 yamt return acpisrat_refresh(); 306 1.3.2.2 yamt } 307 1.3.2.2 yamt 308 1.3.2.2 yamt int 309 1.3.2.2 yamt acpisrat_refresh(void) 310 1.3.2.2 yamt { 311 1.3.2.2 yamt int rc, i, j, k; 312 1.3.2.2 yamt struct cpulist *citer; 313 1.3.2.2 yamt struct memlist *miter; 314 1.3.2.2 yamt uint32_t cnodes = 0, mnodes = 0; 315 1.3.2.2 yamt 316 1.3.2.2 yamt CPU_INIT; 317 1.3.2.2 yamt MEM_INIT; 318 1.3.2.2 yamt 319 1.3.2.2 yamt rc = acpisrat_parse(); 320 1.3.2.2 yamt if (rc) 321 1.3.2.2 yamt return rc; 322 1.3.2.2 yamt 323 1.3.2.2 yamt rc = acpisrat_quirks(); 324 1.3.2.2 yamt if (rc) 325 1.3.2.2 yamt return rc; 326 1.3.2.2 yamt 327 1.3.2.2 yamt /* cleanup resources */ 328 1.3.2.2 yamt rc = acpisrat_exit(); 329 1.3.2.2 yamt if (rc) 330 1.3.2.2 yamt return rc; 331 1.3.2.2 yamt 332 1.3.2.2 yamt nnodes = 0; 333 1.3.2.2 yamt ncpus = 0; 334 1.3.2.2 yamt CPU_FOREACH(citer) { 335 1.3.2.2 yamt cnodes = MAX(citer->cpu.nodeid, cnodes); 336 1.3.2.2 yamt ncpus++; 337 1.3.2.2 yamt } 338 1.3.2.2 yamt 339 1.3.2.2 yamt nmems = 0; 340 1.3.2.2 yamt MEM_FOREACH(miter) { 341 1.3.2.2 yamt mnodes = MAX(miter->mem.nodeid, mnodes); 342 1.3.2.2 yamt nmems++; 343 1.3.2.2 yamt } 344 1.3.2.2 yamt 345 1.3.2.2 yamt nnodes = MAX(cnodes, mnodes) + 1; 346 1.3.2.2 yamt 347 1.3.2.2 yamt node_array = kmem_zalloc(nnodes * sizeof(struct acpisrat_node), 348 1.3.2.2 yamt KM_NOSLEEP); 349 1.3.2.2 yamt if (node_array == NULL) 350 1.3.2.2 yamt return ENOMEM; 351 1.3.2.2 yamt 352 1.3.2.2 yamt cpu_array = kmem_zalloc(ncpus * sizeof(struct acpisrat_cpu), 353 1.3.2.2 yamt KM_NOSLEEP); 354 1.3.2.2 yamt if (cpu_array == NULL) 355 1.3.2.2 yamt return ENOMEM; 356 1.3.2.2 yamt 357 1.3.2.2 yamt mem_array = kmem_zalloc(nmems * sizeof(struct acpisrat_mem), 358 1.3.2.2 yamt KM_NOSLEEP); 359 1.3.2.2 yamt if (mem_array == NULL) 360 1.3.2.2 yamt return ENOMEM; 361 1.3.2.2 yamt 362 1.3.2.2 yamt i = 0; 363 1.3.2.2 yamt CPU_FOREACH(citer) { 364 1.3.2.2 yamt memcpy(&cpu_array[i], &citer->cpu, sizeof(struct acpisrat_cpu)); 365 1.3.2.2 yamt i++; 366 1.3.2.2 yamt node_array[citer->cpu.nodeid].ncpus++; 367 1.3.2.2 yamt } 368 1.3.2.2 yamt 369 1.3.2.2 yamt i = 0; 370 1.3.2.2 yamt MEM_FOREACH(miter) { 371 1.3.2.2 yamt memcpy(&mem_array[i], &miter->mem, sizeof(struct acpisrat_mem)); 372 1.3.2.2 yamt i++; 373 1.3.2.2 yamt node_array[miter->mem.nodeid].nmems++; 374 1.3.2.2 yamt } 375 1.3.2.2 yamt 376 1.3.2.2 yamt for (i = 0; i < nnodes; i++) { 377 1.3.2.2 yamt node_array[i].nodeid = i; 378 1.3.2.2 yamt 379 1.3.2.2 yamt node_array[i].cpu = kmem_zalloc(node_array[i].ncpus * 380 1.3.2.2 yamt sizeof(struct acpisrat_cpu *), KM_NOSLEEP); 381 1.3.2.2 yamt node_array[i].mem = kmem_zalloc(node_array[i].nmems * 382 1.3.2.2 yamt sizeof(struct acpisrat_mem *), KM_NOSLEEP); 383 1.3.2.2 yamt 384 1.3.2.2 yamt k = 0; 385 1.3.2.2 yamt for (j = 0; j < ncpus; j++) { 386 1.3.2.2 yamt if (cpu_array[j].nodeid != i) 387 1.3.2.2 yamt continue; 388 1.3.2.2 yamt node_array[i].cpu[k] = &cpu_array[j]; 389 1.3.2.2 yamt k++; 390 1.3.2.2 yamt } 391 1.3.2.2 yamt 392 1.3.2.2 yamt k = 0; 393 1.3.2.2 yamt for (j = 0; j < nmems; j++) { 394 1.3.2.2 yamt if (mem_array[j].nodeid != i) 395 1.3.2.2 yamt continue; 396 1.3.2.2 yamt node_array[i].mem[k] = &mem_array[j]; 397 1.3.2.2 yamt k++; 398 1.3.2.2 yamt } 399 1.3.2.2 yamt } 400 1.3.2.2 yamt 401 1.3.2.2 yamt while ((citer = CPU_FIRST) != NULL) { 402 1.3.2.2 yamt CPU_REM(citer); 403 1.3.2.2 yamt cpu_free(citer); 404 1.3.2.2 yamt } 405 1.3.2.2 yamt 406 1.3.2.2 yamt while ((miter = MEM_FIRST) != NULL) { 407 1.3.2.2 yamt MEM_REM(miter); 408 1.3.2.2 yamt mem_free(miter); 409 1.3.2.2 yamt } 410 1.3.2.2 yamt 411 1.3.2.2 yamt return 0; 412 1.3.2.2 yamt } 413 1.3.2.2 yamt 414 1.3.2.2 yamt 415 1.3.2.2 yamt int 416 1.3.2.2 yamt acpisrat_exit(void) 417 1.3.2.2 yamt { 418 1.3.2.2 yamt int i; 419 1.3.2.2 yamt 420 1.3.2.2 yamt if (node_array) { 421 1.3.2.2 yamt for (i = 0; i < nnodes; i++) { 422 1.3.2.2 yamt if (node_array[i].cpu) 423 1.3.2.2 yamt kmem_free(node_array[i].cpu, 424 1.3.2.2 yamt node_array[i].ncpus * sizeof(struct acpisrat_cpu *)); 425 1.3.2.2 yamt if (node_array[i].mem) 426 1.3.2.2 yamt kmem_free(node_array[i].mem, 427 1.3.2.2 yamt node_array[i].nmems * sizeof(struct acpisrat_mem *)); 428 1.3.2.2 yamt } 429 1.3.2.2 yamt kmem_free(node_array, nnodes * sizeof(struct acpisrat_node)); 430 1.3.2.2 yamt } 431 1.3.2.2 yamt node_array = NULL; 432 1.3.2.2 yamt 433 1.3.2.2 yamt if (cpu_array) 434 1.3.2.2 yamt kmem_free(cpu_array, ncpus * sizeof(struct acpisrat_cpu)); 435 1.3.2.2 yamt cpu_array = NULL; 436 1.3.2.2 yamt 437 1.3.2.2 yamt if (mem_array) 438 1.3.2.2 yamt kmem_free(mem_array, nmems * sizeof(struct acpisrat_mem)); 439 1.3.2.2 yamt mem_array = NULL; 440 1.3.2.2 yamt 441 1.3.2.2 yamt nnodes = 0; 442 1.3.2.2 yamt ncpus = 0; 443 1.3.2.2 yamt nmems = 0; 444 1.3.2.2 yamt 445 1.3.2.2 yamt return 0; 446 1.3.2.2 yamt } 447 1.3.2.2 yamt 448 1.3.2.2 yamt 449 1.3.2.2 yamt void 450 1.3.2.2 yamt acpisrat_dump(void) 451 1.3.2.2 yamt { 452 1.3.2.2 yamt uint32_t i, j, nn, nc, nm; 453 1.3.2.2 yamt struct acpisrat_cpu c; 454 1.3.2.2 yamt struct acpisrat_mem m; 455 1.3.2.2 yamt 456 1.3.2.2 yamt nn = acpisrat_nodes(); 457 1.3.2.2 yamt aprint_debug("SRAT: %u NUMA nodes\n", nn); 458 1.3.2.2 yamt for (i = 0; i < nn; i++) { 459 1.3.2.2 yamt nc = acpisrat_node_cpus(i); 460 1.3.2.2 yamt for (j = 0; j < nc; j++) { 461 1.3.2.2 yamt acpisrat_cpu(i, j, &c); 462 1.3.2.2 yamt aprint_debug("SRAT: node %u cpu %u " 463 1.3.2.2 yamt "(apic %u, sapic %u, flags %u, clockdomain %u)\n", 464 1.3.2.2 yamt c.nodeid, j, c.apicid, c.sapiceid, c.flags, 465 1.3.2.2 yamt c.clockdomain); 466 1.3.2.2 yamt } 467 1.3.2.2 yamt 468 1.3.2.2 yamt nm = acpisrat_node_memoryranges(i); 469 1.3.2.2 yamt for (j = 0; j < nm; j++) { 470 1.3.2.2 yamt acpisrat_mem(i, j, &m); 471 1.3.2.2 yamt aprint_debug("SRAT: node %u memory range %u (0x%" 472 1.3.2.2 yamt PRIx64" - 0x%"PRIx64" flags %u)\n", 473 1.3.2.2 yamt m.nodeid, j, m.baseaddress, 474 1.3.2.2 yamt m.baseaddress + m.length, m.flags); 475 1.3.2.2 yamt } 476 1.3.2.2 yamt } 477 1.3.2.2 yamt } 478 1.3.2.2 yamt 479 1.3.2.2 yamt uint32_t 480 1.3.2.2 yamt acpisrat_nodes(void) 481 1.3.2.2 yamt { 482 1.3.2.2 yamt return nnodes; 483 1.3.2.2 yamt } 484 1.3.2.2 yamt 485 1.3.2.2 yamt uint32_t 486 1.3.2.2 yamt acpisrat_node_cpus(acpisrat_nodeid_t nodeid) 487 1.3.2.2 yamt { 488 1.3.2.2 yamt return node_array[nodeid].ncpus; 489 1.3.2.2 yamt } 490 1.3.2.2 yamt 491 1.3.2.2 yamt uint32_t 492 1.3.2.2 yamt acpisrat_node_memoryranges(acpisrat_nodeid_t nodeid) 493 1.3.2.2 yamt { 494 1.3.2.2 yamt return node_array[nodeid].nmems; 495 1.3.2.2 yamt } 496 1.3.2.2 yamt 497 1.3.2.2 yamt void 498 1.3.2.2 yamt acpisrat_cpu(acpisrat_nodeid_t nodeid, uint32_t cpunum, 499 1.3.2.2 yamt struct acpisrat_cpu *c) 500 1.3.2.2 yamt { 501 1.3.2.2 yamt memcpy(c, node_array[nodeid].cpu[cpunum], 502 1.3.2.2 yamt sizeof(struct acpisrat_cpu)); 503 1.3.2.2 yamt } 504 1.3.2.2 yamt 505 1.3.2.2 yamt void 506 1.3.2.2 yamt acpisrat_mem(acpisrat_nodeid_t nodeid, uint32_t memrange, 507 1.3.2.2 yamt struct acpisrat_mem *mem) 508 1.3.2.2 yamt { 509 1.3.2.2 yamt memcpy(mem, node_array[nodeid].mem[memrange], 510 1.3.2.2 yamt sizeof(struct acpisrat_mem)); 511 1.3.2.2 yamt } 512
Indexes created Wed Oct 15 07:09:58 GMT 2025