1 /* 2 * CPU models for s390x 3 * 4 * Copyright 2016 IBM Corp. 5 * 6 * Author(s): David Hildenbrand <dahi@linux.vnet.ibm.com> 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or (at 9 * your option) any later version. See the COPYING file in the top-level 10 * directory. 11 */ 12 13 #include "qemu/osdep.h" 14 #include "cpu.h" 15 #include "gen-features.h" 16 #include "qapi/error.h" 17 #include "qapi/visitor.h" 18 #include "qemu/error-report.h" 19 #include "qapi/qmp/qerror.h" 20 #include "qapi/qobject-input-visitor.h" 21 #include "qapi/qmp/qbool.h" 22 #ifndef CONFIG_USER_ONLY 23 #include "sysemu/arch_init.h" 24 #endif 25 26 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \ 27 { \ 28 .name = _name, \ 29 .type = _type, \ 30 .gen = _gen, \ 31 .ec_ga = _ec_ga, \ 32 .mha_pow = _mha_pow, \ 33 .hmfai = _hmfai, \ 34 .desc = _desc, \ 35 .base_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _BASE }, \ 36 .default_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _DEFAULT }, \ 37 .full_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _FULL }, \ 38 } 39 40 /* 41 * CPU definiton list in order of release. For now, base features of a 42 * following release are always a subset of base features of the previous 43 * release. Same is correct for the other feature sets. 44 * A BC release always follows the corresponding EC release. 45 */ 46 static S390CPUDef s390_cpu_defs[] = { 47 CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U, "z900", "IBM zSeries 900 GA1"), 48 CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U, "z900.2", "IBM zSeries 900 GA2"), 49 CPUDEF_INIT(0x2064, 7, 3, 38, 0x00000000U, "z900.3", "IBM zSeries 900 GA3"), 50 CPUDEF_INIT(0x2066, 7, 3, 38, 0x00000000U, "z800", "IBM zSeries 800 GA1"), 51 CPUDEF_INIT(0x2084, 8, 1, 38, 0x00000000U, "z990", "IBM zSeries 990 GA1"), 52 CPUDEF_INIT(0x2084, 8, 2, 38, 0x00000000U, "z990.2", "IBM zSeries 990 GA2"), 53 CPUDEF_INIT(0x2084, 8, 3, 38, 0x00000000U, "z990.3", "IBM zSeries 990 GA3"), 54 CPUDEF_INIT(0x2086, 8, 3, 38, 0x00000000U, "z890", "IBM zSeries 880 GA1"), 55 CPUDEF_INIT(0x2084, 8, 4, 38, 0x00000000U, "z990.4", "IBM zSeries 990 GA4"), 56 CPUDEF_INIT(0x2086, 8, 4, 38, 0x00000000U, "z890.2", "IBM zSeries 880 GA2"), 57 CPUDEF_INIT(0x2084, 8, 5, 38, 0x00000000U, "z990.5", "IBM zSeries 990 GA5"), 58 CPUDEF_INIT(0x2086, 8, 5, 38, 0x00000000U, "z890.3", "IBM zSeries 880 GA3"), 59 CPUDEF_INIT(0x2094, 9, 1, 40, 0x00000000U, "z9EC", "IBM System z9 EC GA1"), 60 CPUDEF_INIT(0x2094, 9, 2, 40, 0x00000000U, "z9EC.2", "IBM System z9 EC GA2"), 61 CPUDEF_INIT(0x2096, 9, 2, 40, 0x00000000U, "z9BC", "IBM System z9 BC GA1"), 62 CPUDEF_INIT(0x2094, 9, 3, 40, 0x00000000U, "z9EC.3", "IBM System z9 EC GA3"), 63 CPUDEF_INIT(0x2096, 9, 3, 40, 0x00000000U, "z9BC.2", "IBM System z9 BC GA2"), 64 CPUDEF_INIT(0x2097, 10, 1, 43, 0x00000000U, "z10EC", "IBM System z10 EC GA1"), 65 CPUDEF_INIT(0x2097, 10, 2, 43, 0x00000000U, "z10EC.2", "IBM System z10 EC GA2"), 66 CPUDEF_INIT(0x2098, 10, 2, 43, 0x00000000U, "z10BC", "IBM System z10 BC GA1"), 67 CPUDEF_INIT(0x2097, 10, 3, 43, 0x00000000U, "z10EC.3", "IBM System z10 EC GA3"), 68 CPUDEF_INIT(0x2098, 10, 3, 43, 0x00000000U, "z10BC.2", "IBM System z10 BC GA2"), 69 CPUDEF_INIT(0x2817, 11, 1, 44, 0x08000000U, "z196", "IBM zEnterprise 196 GA1"), 70 CPUDEF_INIT(0x2817, 11, 2, 44, 0x08000000U, "z196.2", "IBM zEnterprise 196 GA2"), 71 CPUDEF_INIT(0x2818, 11, 2, 44, 0x08000000U, "z114", "IBM zEnterprise 114 GA1"), 72 CPUDEF_INIT(0x2827, 12, 1, 44, 0x08000000U, "zEC12", "IBM zEnterprise EC12 GA1"), 73 CPUDEF_INIT(0x2827, 12, 2, 44, 0x08000000U, "zEC12.2", "IBM zEnterprise EC12 GA2"), 74 CPUDEF_INIT(0x2828, 12, 2, 44, 0x08000000U, "zBC12", "IBM zEnterprise BC12 GA1"), 75 CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U, "z13", "IBM z13 GA1"), 76 CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U, "z13.2", "IBM z13 GA2"), 77 CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"), 78 CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U, "z14", "IBM z14 GA1"), 79 }; 80 81 void s390_cpudef_featoff(uint8_t gen, uint8_t ec_ga, S390Feat feat) 82 { 83 const S390CPUDef *def; 84 85 def = s390_find_cpu_def(0, gen, ec_ga, NULL); 86 clear_bit(feat, (unsigned long *)&def->default_feat); 87 } 88 89 void s390_cpudef_featoff_greater(uint8_t gen, uint8_t ec_ga, S390Feat feat) 90 { 91 int i; 92 93 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 94 const S390CPUDef *def = &s390_cpu_defs[i]; 95 96 if (def->gen < gen) { 97 continue; 98 } 99 if (def->gen == gen && def->ec_ga < ec_ga) { 100 continue; 101 } 102 103 clear_bit(feat, (unsigned long *)&def->default_feat); 104 } 105 } 106 107 uint32_t s390_get_hmfai(void) 108 { 109 static S390CPU *cpu; 110 111 if (!cpu) { 112 cpu = S390_CPU(qemu_get_cpu(0)); 113 } 114 115 if (!cpu || !cpu->model) { 116 return 0; 117 } 118 return cpu->model->def->hmfai; 119 } 120 121 uint8_t s390_get_mha_pow(void) 122 { 123 static S390CPU *cpu; 124 125 if (!cpu) { 126 cpu = S390_CPU(qemu_get_cpu(0)); 127 } 128 129 if (!cpu || !cpu->model) { 130 return 0; 131 } 132 return cpu->model->def->mha_pow; 133 } 134 135 uint32_t s390_get_ibc_val(void) 136 { 137 uint16_t unblocked_ibc, lowest_ibc; 138 static S390CPU *cpu; 139 140 if (!cpu) { 141 cpu = S390_CPU(qemu_get_cpu(0)); 142 } 143 144 if (!cpu || !cpu->model) { 145 return 0; 146 } 147 unblocked_ibc = s390_ibc_from_cpu_model(cpu->model); 148 lowest_ibc = cpu->model->lowest_ibc; 149 /* the lowest_ibc always has to be <= unblocked_ibc */ 150 if (!lowest_ibc || lowest_ibc > unblocked_ibc) { 151 return 0; 152 } 153 return ((uint32_t) lowest_ibc << 16) | unblocked_ibc; 154 } 155 156 void s390_get_feat_block(S390FeatType type, uint8_t *data) 157 { 158 static S390CPU *cpu; 159 160 if (!cpu) { 161 cpu = S390_CPU(qemu_get_cpu(0)); 162 } 163 164 if (!cpu || !cpu->model) { 165 return; 166 } 167 s390_fill_feat_block(cpu->model->features, type, data); 168 } 169 170 bool s390_has_feat(S390Feat feat) 171 { 172 static S390CPU *cpu; 173 174 if (!cpu) { 175 cpu = S390_CPU(qemu_get_cpu(0)); 176 } 177 178 if (!cpu || !cpu->model) { 179 #ifdef CONFIG_KVM 180 if (kvm_enabled()) { 181 if (feat == S390_FEAT_VECTOR) { 182 return kvm_check_extension(kvm_state, 183 KVM_CAP_S390_VECTOR_REGISTERS); 184 } 185 if (feat == S390_FEAT_RUNTIME_INSTRUMENTATION) { 186 return kvm_s390_get_ri(); 187 } 188 if (feat == S390_FEAT_MSA_EXT_3) { 189 return true; 190 } 191 } 192 #endif 193 return 0; 194 } 195 return test_bit(feat, cpu->model->features); 196 } 197 198 uint8_t s390_get_gen_for_cpu_type(uint16_t type) 199 { 200 int i; 201 202 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 203 if (s390_cpu_defs[i].type == type) { 204 return s390_cpu_defs[i].gen; 205 } 206 } 207 return 0; 208 } 209 210 const S390CPUDef *s390_find_cpu_def(uint16_t type, uint8_t gen, uint8_t ec_ga, 211 S390FeatBitmap features) 212 { 213 const S390CPUDef *last_compatible = NULL; 214 const S390CPUDef *matching_cpu_type = NULL; 215 int i; 216 217 if (!gen) { 218 ec_ga = 0; 219 } 220 if (!gen && type) { 221 gen = s390_get_gen_for_cpu_type(type); 222 } 223 224 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 225 const S390CPUDef *def = &s390_cpu_defs[i]; 226 S390FeatBitmap missing; 227 228 /* don't even try newer generations if we know the generation */ 229 if (gen) { 230 if (def->gen > gen) { 231 break; 232 } else if (def->gen == gen && ec_ga && def->ec_ga > ec_ga) { 233 break; 234 } 235 } 236 237 if (features) { 238 /* see if the model satisfies the minimum features */ 239 bitmap_andnot(missing, def->base_feat, features, S390_FEAT_MAX); 240 if (!bitmap_empty(missing, S390_FEAT_MAX)) { 241 break; 242 } 243 } 244 245 /* stop the search if we found the exact model */ 246 if (def->type == type && def->ec_ga == ec_ga) { 247 return def; 248 } 249 /* remember if we've at least seen one with the same cpu type */ 250 if (def->type == type) { 251 matching_cpu_type = def; 252 } 253 last_compatible = def; 254 } 255 /* prefer the model with the same cpu type, esp. don't take the BC for EC */ 256 if (matching_cpu_type) { 257 return matching_cpu_type; 258 } 259 return last_compatible; 260 } 261 262 struct S390PrintCpuListInfo { 263 FILE *f; 264 fprintf_function print; 265 }; 266 267 static void print_cpu_model_list(ObjectClass *klass, void *opaque) 268 { 269 struct S390PrintCpuListInfo *info = opaque; 270 S390CPUClass *scc = S390_CPU_CLASS(klass); 271 char *name = g_strdup(object_class_get_name(klass)); 272 const char *details = ""; 273 274 if (scc->is_static) { 275 details = "(static, migration-safe)"; 276 } else if (scc->is_migration_safe) { 277 details = "(migration-safe)"; 278 } 279 280 /* strip off the -s390-cpu */ 281 g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0; 282 (*info->print)(info->f, "s390 %-15s %-35s %s\n", name, scc->desc, 283 details); 284 g_free(name); 285 } 286 287 void s390_cpu_list(FILE *f, fprintf_function print) 288 { 289 struct S390PrintCpuListInfo info = { 290 .f = f, 291 .print = print, 292 }; 293 S390FeatGroup group; 294 S390Feat feat; 295 296 object_class_foreach(print_cpu_model_list, TYPE_S390_CPU, false, &info); 297 298 (*print)(f, "\nRecognized feature flags:\n"); 299 for (feat = 0; feat < S390_FEAT_MAX; feat++) { 300 const S390FeatDef *def = s390_feat_def(feat); 301 302 (*print)(f, "%-20s %-50s\n", def->name, def->desc); 303 } 304 305 (*print)(f, "\nRecognized feature groups:\n"); 306 for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { 307 const S390FeatGroupDef *def = s390_feat_group_def(group); 308 309 (*print)(f, "%-20s %-50s\n", def->name, def->desc); 310 } 311 } 312 313 static S390CPUModel *get_max_cpu_model(Error **errp); 314 315 #ifndef CONFIG_USER_ONLY 316 static void list_add_feat(const char *name, void *opaque); 317 318 static void check_unavailable_features(const S390CPUModel *max_model, 319 const S390CPUModel *model, 320 strList **unavailable) 321 { 322 S390FeatBitmap missing; 323 324 /* check general model compatibility */ 325 if (max_model->def->gen < model->def->gen || 326 (max_model->def->gen == model->def->gen && 327 max_model->def->ec_ga < model->def->ec_ga)) { 328 list_add_feat("type", unavailable); 329 } 330 331 /* detect missing features if any to properly report them */ 332 bitmap_andnot(missing, model->features, max_model->features, 333 S390_FEAT_MAX); 334 if (!bitmap_empty(missing, S390_FEAT_MAX)) { 335 s390_feat_bitmap_to_ascii(missing, unavailable, list_add_feat); 336 } 337 } 338 339 struct CpuDefinitionInfoListData { 340 CpuDefinitionInfoList *list; 341 S390CPUModel *model; 342 }; 343 344 static void create_cpu_model_list(ObjectClass *klass, void *opaque) 345 { 346 struct CpuDefinitionInfoListData *cpu_list_data = opaque; 347 CpuDefinitionInfoList **cpu_list = &cpu_list_data->list; 348 CpuDefinitionInfoList *entry; 349 CpuDefinitionInfo *info; 350 char *name = g_strdup(object_class_get_name(klass)); 351 S390CPUClass *scc = S390_CPU_CLASS(klass); 352 353 /* strip off the -s390-cpu */ 354 g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0; 355 info = g_malloc0(sizeof(*info)); 356 info->name = name; 357 info->has_migration_safe = true; 358 info->migration_safe = scc->is_migration_safe; 359 info->q_static = scc->is_static; 360 info->q_typename = g_strdup(object_class_get_name(klass)); 361 /* check for unavailable features */ 362 if (cpu_list_data->model) { 363 Object *obj; 364 S390CPU *sc; 365 obj = object_new(object_class_get_name(klass)); 366 sc = S390_CPU(obj); 367 if (sc->model) { 368 info->has_unavailable_features = true; 369 check_unavailable_features(cpu_list_data->model, sc->model, 370 &info->unavailable_features); 371 } 372 object_unref(obj); 373 } 374 375 entry = g_malloc0(sizeof(*entry)); 376 entry->value = info; 377 entry->next = *cpu_list; 378 *cpu_list = entry; 379 } 380 381 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) 382 { 383 struct CpuDefinitionInfoListData list_data = { 384 .list = NULL, 385 }; 386 387 list_data.model = get_max_cpu_model(errp); 388 if (*errp) { 389 error_free(*errp); 390 *errp = NULL; 391 } 392 393 object_class_foreach(create_cpu_model_list, TYPE_S390_CPU, false, 394 &list_data); 395 396 return list_data.list; 397 } 398 399 static void cpu_model_from_info(S390CPUModel *model, const CpuModelInfo *info, 400 Error **errp) 401 { 402 const QDict *qdict = NULL; 403 const QDictEntry *e; 404 Visitor *visitor; 405 ObjectClass *oc; 406 S390CPU *cpu; 407 Object *obj; 408 409 if (info->props) { 410 qdict = qobject_to_qdict(info->props); 411 if (!qdict) { 412 error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict"); 413 return; 414 } 415 } 416 417 oc = cpu_class_by_name(TYPE_S390_CPU, info->name); 418 if (!oc) { 419 error_setg(errp, "The CPU definition \'%s\' is unknown.", info->name); 420 return; 421 } 422 if (S390_CPU_CLASS(oc)->kvm_required && !kvm_enabled()) { 423 error_setg(errp, "The CPU definition '%s' requires KVM", info->name); 424 return; 425 } 426 obj = object_new(object_class_get_name(oc)); 427 cpu = S390_CPU(obj); 428 429 if (!cpu->model) { 430 error_setg(errp, "Details about the host CPU model are not available, " 431 "it cannot be used."); 432 object_unref(obj); 433 return; 434 } 435 436 if (qdict) { 437 visitor = qobject_input_visitor_new(info->props); 438 visit_start_struct(visitor, NULL, NULL, 0, errp); 439 if (*errp) { 440 object_unref(obj); 441 return; 442 } 443 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) { 444 object_property_set(obj, visitor, e->key, errp); 445 if (*errp) { 446 break; 447 } 448 } 449 if (!*errp) { 450 visit_check_struct(visitor, errp); 451 } 452 visit_end_struct(visitor, NULL); 453 visit_free(visitor); 454 if (*errp) { 455 object_unref(obj); 456 return; 457 } 458 } 459 460 /* copy the model and throw the cpu away */ 461 memcpy(model, cpu->model, sizeof(*model)); 462 object_unref(obj); 463 } 464 465 static void qdict_add_disabled_feat(const char *name, void *opaque) 466 { 467 qdict_put_bool(opaque, name, false); 468 } 469 470 static void qdict_add_enabled_feat(const char *name, void *opaque) 471 { 472 qdict_put_bool(opaque, name, true); 473 } 474 475 /* convert S390CPUDef into a static CpuModelInfo */ 476 static void cpu_info_from_model(CpuModelInfo *info, const S390CPUModel *model, 477 bool delta_changes) 478 { 479 QDict *qdict = qdict_new(); 480 S390FeatBitmap bitmap; 481 482 /* always fallback to the static base model */ 483 info->name = g_strdup_printf("%s-base", model->def->name); 484 485 if (delta_changes) { 486 /* features deleted from the base feature set */ 487 bitmap_andnot(bitmap, model->def->base_feat, model->features, 488 S390_FEAT_MAX); 489 if (!bitmap_empty(bitmap, S390_FEAT_MAX)) { 490 s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_disabled_feat); 491 } 492 493 /* features added to the base feature set */ 494 bitmap_andnot(bitmap, model->features, model->def->base_feat, 495 S390_FEAT_MAX); 496 if (!bitmap_empty(bitmap, S390_FEAT_MAX)) { 497 s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_enabled_feat); 498 } 499 } else { 500 /* expand all features */ 501 s390_feat_bitmap_to_ascii(model->features, qdict, 502 qdict_add_enabled_feat); 503 bitmap_complement(bitmap, model->features, S390_FEAT_MAX); 504 s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_disabled_feat); 505 } 506 507 if (!qdict_size(qdict)) { 508 QDECREF(qdict); 509 } else { 510 info->props = QOBJECT(qdict); 511 info->has_props = true; 512 } 513 } 514 515 CpuModelExpansionInfo *arch_query_cpu_model_expansion(CpuModelExpansionType type, 516 CpuModelInfo *model, 517 Error **errp) 518 { 519 CpuModelExpansionInfo *expansion_info = NULL; 520 S390CPUModel s390_model; 521 bool delta_changes = false; 522 523 /* convert it to our internal representation */ 524 cpu_model_from_info(&s390_model, model, errp); 525 if (*errp) { 526 return NULL; 527 } 528 529 if (type == CPU_MODEL_EXPANSION_TYPE_STATIC) { 530 delta_changes = true; 531 } else if (type != CPU_MODEL_EXPANSION_TYPE_FULL) { 532 error_setg(errp, "The requested expansion type is not supported."); 533 return NULL; 534 } 535 536 /* convert it back to a static representation */ 537 expansion_info = g_malloc0(sizeof(*expansion_info)); 538 expansion_info->model = g_malloc0(sizeof(*expansion_info->model)); 539 cpu_info_from_model(expansion_info->model, &s390_model, delta_changes); 540 return expansion_info; 541 } 542 543 static void list_add_feat(const char *name, void *opaque) 544 { 545 strList **last = (strList **) opaque; 546 strList *entry; 547 548 entry = g_malloc0(sizeof(*entry)); 549 entry->value = g_strdup(name); 550 entry->next = *last; 551 *last = entry; 552 } 553 554 CpuModelCompareInfo *arch_query_cpu_model_comparison(CpuModelInfo *infoa, 555 CpuModelInfo *infob, 556 Error **errp) 557 { 558 CpuModelCompareResult feat_result, gen_result; 559 CpuModelCompareInfo *compare_info; 560 S390FeatBitmap missing, added; 561 S390CPUModel modela, modelb; 562 563 /* convert both models to our internal representation */ 564 cpu_model_from_info(&modela, infoa, errp); 565 if (*errp) { 566 return NULL; 567 } 568 cpu_model_from_info(&modelb, infob, errp); 569 if (*errp) { 570 return NULL; 571 } 572 compare_info = g_malloc0(sizeof(*compare_info)); 573 574 /* check the cpu generation and ga level */ 575 if (modela.def->gen == modelb.def->gen) { 576 if (modela.def->ec_ga == modelb.def->ec_ga) { 577 /* ec and corresponding bc are identical */ 578 gen_result = CPU_MODEL_COMPARE_RESULT_IDENTICAL; 579 } else if (modela.def->ec_ga < modelb.def->ec_ga) { 580 gen_result = CPU_MODEL_COMPARE_RESULT_SUBSET; 581 } else { 582 gen_result = CPU_MODEL_COMPARE_RESULT_SUPERSET; 583 } 584 } else if (modela.def->gen < modelb.def->gen) { 585 gen_result = CPU_MODEL_COMPARE_RESULT_SUBSET; 586 } else { 587 gen_result = CPU_MODEL_COMPARE_RESULT_SUPERSET; 588 } 589 if (gen_result != CPU_MODEL_COMPARE_RESULT_IDENTICAL) { 590 /* both models cannot be made identical */ 591 list_add_feat("type", &compare_info->responsible_properties); 592 } 593 594 /* check the feature set */ 595 if (bitmap_equal(modela.features, modelb.features, S390_FEAT_MAX)) { 596 feat_result = CPU_MODEL_COMPARE_RESULT_IDENTICAL; 597 } else { 598 bitmap_andnot(missing, modela.features, modelb.features, S390_FEAT_MAX); 599 s390_feat_bitmap_to_ascii(missing, 600 &compare_info->responsible_properties, 601 list_add_feat); 602 bitmap_andnot(added, modelb.features, modela.features, S390_FEAT_MAX); 603 s390_feat_bitmap_to_ascii(added, &compare_info->responsible_properties, 604 list_add_feat); 605 if (bitmap_empty(missing, S390_FEAT_MAX)) { 606 feat_result = CPU_MODEL_COMPARE_RESULT_SUBSET; 607 } else if (bitmap_empty(added, S390_FEAT_MAX)) { 608 feat_result = CPU_MODEL_COMPARE_RESULT_SUPERSET; 609 } else { 610 feat_result = CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE; 611 } 612 } 613 614 /* combine the results */ 615 if (gen_result == feat_result) { 616 compare_info->result = gen_result; 617 } else if (feat_result == CPU_MODEL_COMPARE_RESULT_IDENTICAL) { 618 compare_info->result = gen_result; 619 } else if (gen_result == CPU_MODEL_COMPARE_RESULT_IDENTICAL) { 620 compare_info->result = feat_result; 621 } else { 622 compare_info->result = CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE; 623 } 624 return compare_info; 625 } 626 627 CpuModelBaselineInfo *arch_query_cpu_model_baseline(CpuModelInfo *infoa, 628 CpuModelInfo *infob, 629 Error **errp) 630 { 631 CpuModelBaselineInfo *baseline_info; 632 S390CPUModel modela, modelb, model; 633 uint16_t cpu_type; 634 uint8_t max_gen_ga; 635 uint8_t max_gen; 636 637 /* convert both models to our internal representation */ 638 cpu_model_from_info(&modela, infoa, errp); 639 if (*errp) { 640 return NULL; 641 } 642 643 cpu_model_from_info(&modelb, infob, errp); 644 if (*errp) { 645 return NULL; 646 } 647 648 /* features both models support */ 649 bitmap_and(model.features, modela.features, modelb.features, S390_FEAT_MAX); 650 651 /* detect the maximum model not regarding features */ 652 if (modela.def->gen == modelb.def->gen) { 653 if (modela.def->type == modelb.def->type) { 654 cpu_type = modela.def->type; 655 } else { 656 cpu_type = 0; 657 } 658 max_gen = modela.def->gen; 659 max_gen_ga = MIN(modela.def->ec_ga, modelb.def->ec_ga); 660 } else if (modela.def->gen > modelb.def->gen) { 661 cpu_type = modelb.def->type; 662 max_gen = modelb.def->gen; 663 max_gen_ga = modelb.def->ec_ga; 664 } else { 665 cpu_type = modela.def->type; 666 max_gen = modela.def->gen; 667 max_gen_ga = modela.def->ec_ga; 668 } 669 670 model.def = s390_find_cpu_def(cpu_type, max_gen, max_gen_ga, 671 model.features); 672 /* strip off features not part of the max model */ 673 bitmap_and(model.features, model.features, model.def->full_feat, 674 S390_FEAT_MAX); 675 676 baseline_info = g_malloc0(sizeof(*baseline_info)); 677 baseline_info->model = g_malloc0(sizeof(*baseline_info->model)); 678 cpu_info_from_model(baseline_info->model, &model, true); 679 return baseline_info; 680 } 681 #endif 682 683 static void check_consistency(const S390CPUModel *model) 684 { 685 static int dep[][2] = { 686 { S390_FEAT_IPTE_RANGE, S390_FEAT_DAT_ENH }, 687 { S390_FEAT_IDTE_SEGMENT, S390_FEAT_DAT_ENH }, 688 { S390_FEAT_IDTE_REGION, S390_FEAT_DAT_ENH }, 689 { S390_FEAT_IDTE_REGION, S390_FEAT_IDTE_SEGMENT }, 690 { S390_FEAT_LOCAL_TLB_CLEARING, S390_FEAT_DAT_ENH}, 691 { S390_FEAT_LONG_DISPLACEMENT_FAST, S390_FEAT_LONG_DISPLACEMENT }, 692 { S390_FEAT_DFP_FAST, S390_FEAT_DFP }, 693 { S390_FEAT_TRANSACTIONAL_EXE, S390_FEAT_STFLE_49 }, 694 { S390_FEAT_EDAT_2, S390_FEAT_EDAT}, 695 { S390_FEAT_MSA_EXT_5, S390_FEAT_KIMD_SHA_512 }, 696 { S390_FEAT_MSA_EXT_5, S390_FEAT_KLMD_SHA_512 }, 697 { S390_FEAT_MSA_EXT_4, S390_FEAT_MSA_EXT_3 }, 698 { S390_FEAT_SIE_CMMA, S390_FEAT_CMM }, 699 { S390_FEAT_SIE_CMMA, S390_FEAT_SIE_GSLS }, 700 { S390_FEAT_SIE_PFMFI, S390_FEAT_EDAT }, 701 { S390_FEAT_MSA_EXT_8, S390_FEAT_MSA_EXT_3 }, 702 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING }, 703 { S390_FEAT_VECTOR_PACKED_DECIMAL, S390_FEAT_VECTOR }, 704 { S390_FEAT_VECTOR_ENH, S390_FEAT_VECTOR }, 705 { S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 }, 706 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_ESOP }, 707 { S390_FEAT_CMM_NT, S390_FEAT_CMM }, 708 { S390_FEAT_GUARDED_STORAGE, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 }, 709 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_STORE_CLOCK_FAST }, 710 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING }, 711 { S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_STFLE_49 }, 712 { S390_FEAT_KIMD_SHA3_224, S390_FEAT_MSA }, 713 { S390_FEAT_KIMD_SHA3_256, S390_FEAT_MSA }, 714 { S390_FEAT_KIMD_SHA3_384, S390_FEAT_MSA }, 715 { S390_FEAT_KIMD_SHA3_512, S390_FEAT_MSA }, 716 { S390_FEAT_KIMD_SHAKE_128, S390_FEAT_MSA }, 717 { S390_FEAT_KIMD_SHAKE_256, S390_FEAT_MSA }, 718 { S390_FEAT_KLMD_SHA3_224, S390_FEAT_MSA }, 719 { S390_FEAT_KLMD_SHA3_256, S390_FEAT_MSA }, 720 { S390_FEAT_KLMD_SHA3_384, S390_FEAT_MSA }, 721 { S390_FEAT_KLMD_SHA3_512, S390_FEAT_MSA }, 722 { S390_FEAT_KLMD_SHAKE_128, S390_FEAT_MSA }, 723 { S390_FEAT_KLMD_SHAKE_256, S390_FEAT_MSA }, 724 { S390_FEAT_PRNO_TRNG_QRTCR, S390_FEAT_MSA_EXT_5 }, 725 { S390_FEAT_PRNO_TRNG, S390_FEAT_MSA_EXT_5 }, 726 }; 727 int i; 728 729 for (i = 0; i < ARRAY_SIZE(dep); i++) { 730 if (test_bit(dep[i][0], model->features) && 731 !test_bit(dep[i][1], model->features)) { 732 warn_report("\'%s\' requires \'%s\'.", 733 s390_feat_def(dep[i][0])->name, 734 s390_feat_def(dep[i][1])->name); 735 } 736 } 737 } 738 739 static void error_prepend_missing_feat(const char *name, void *opaque) 740 { 741 error_prepend((Error **) opaque, "%s ", name); 742 } 743 744 static void check_compatibility(const S390CPUModel *max_model, 745 const S390CPUModel *model, Error **errp) 746 { 747 S390FeatBitmap missing; 748 749 if (model->def->gen > max_model->def->gen) { 750 error_setg(errp, "Selected CPU generation is too new. Maximum " 751 "supported model in the configuration: \'%s\'", 752 max_model->def->name); 753 return; 754 } else if (model->def->gen == max_model->def->gen && 755 model->def->ec_ga > max_model->def->ec_ga) { 756 error_setg(errp, "Selected CPU GA level is too new. Maximum " 757 "supported model in the configuration: \'%s\'", 758 max_model->def->name); 759 return; 760 } 761 762 /* detect the missing features to properly report them */ 763 bitmap_andnot(missing, model->features, max_model->features, S390_FEAT_MAX); 764 if (bitmap_empty(missing, S390_FEAT_MAX)) { 765 return; 766 } 767 768 error_setg(errp, " "); 769 s390_feat_bitmap_to_ascii(missing, errp, error_prepend_missing_feat); 770 error_prepend(errp, "Some features requested in the CPU model are not " 771 "available in the configuration: "); 772 } 773 774 /** 775 * The base TCG CPU model "qemu" is based on the z900. However, we already 776 * can also emulate some additional features of later CPU generations, so 777 * we add these additional feature bits here. 778 */ 779 static void add_qemu_cpu_model_features(S390FeatBitmap fbm) 780 { 781 static const int feats[] = { 782 S390_FEAT_DAT_ENH, 783 S390_FEAT_IDTE_SEGMENT, 784 S390_FEAT_STFLE, 785 S390_FEAT_EXTENDED_IMMEDIATE, 786 S390_FEAT_EXTENDED_TRANSLATION_2, 787 S390_FEAT_EXTENDED_TRANSLATION_3, 788 S390_FEAT_LONG_DISPLACEMENT, 789 S390_FEAT_LONG_DISPLACEMENT_FAST, 790 S390_FEAT_ETF2_ENH, 791 S390_FEAT_STORE_CLOCK_FAST, 792 S390_FEAT_MOVE_WITH_OPTIONAL_SPEC, 793 S390_FEAT_ETF3_ENH, 794 S390_FEAT_COMPARE_AND_SWAP_AND_STORE, 795 S390_FEAT_COMPARE_AND_SWAP_AND_STORE_2, 796 S390_FEAT_GENERAL_INSTRUCTIONS_EXT, 797 S390_FEAT_EXECUTE_EXT, 798 S390_FEAT_FLOATING_POINT_SUPPPORT_ENH, 799 S390_FEAT_STFLE_45, 800 S390_FEAT_STFLE_49, 801 S390_FEAT_LOCAL_TLB_CLEARING, 802 S390_FEAT_STFLE_53, 803 }; 804 int i; 805 806 for (i = 0; i < ARRAY_SIZE(feats); i++) { 807 set_bit(feats[i], fbm); 808 } 809 } 810 811 static S390CPUModel *get_max_cpu_model(Error **errp) 812 { 813 static S390CPUModel max_model; 814 static bool cached; 815 816 if (cached) { 817 return &max_model; 818 } 819 820 if (kvm_enabled()) { 821 kvm_s390_get_host_cpu_model(&max_model, errp); 822 } else { 823 /* TCG emulates a z900 (with some optional additional features) */ 824 max_model.def = &s390_cpu_defs[0]; 825 bitmap_copy(max_model.features, max_model.def->default_feat, 826 S390_FEAT_MAX); 827 add_qemu_cpu_model_features(max_model.features); 828 } 829 if (!*errp) { 830 cached = true; 831 return &max_model; 832 } 833 return NULL; 834 } 835 836 static inline void apply_cpu_model(const S390CPUModel *model, Error **errp) 837 { 838 #ifndef CONFIG_USER_ONLY 839 static S390CPUModel applied_model; 840 static bool applied; 841 842 /* 843 * We have the same model for all VCPUs. KVM can only be configured before 844 * any VCPUs are defined in KVM. 845 */ 846 if (applied) { 847 if (model && memcmp(&applied_model, model, sizeof(S390CPUModel))) { 848 error_setg(errp, "Mixed CPU models are not supported on s390x."); 849 } 850 return; 851 } 852 853 if (kvm_enabled()) { 854 kvm_s390_apply_cpu_model(model, errp); 855 } 856 857 if (!*errp) { 858 applied = true; 859 if (model) { 860 applied_model = *model; 861 } 862 } 863 #endif 864 } 865 866 void s390_realize_cpu_model(CPUState *cs, Error **errp) 867 { 868 S390CPUClass *xcc = S390_CPU_GET_CLASS(cs); 869 S390CPU *cpu = S390_CPU(cs); 870 const S390CPUModel *max_model; 871 872 if (xcc->kvm_required && !kvm_enabled()) { 873 error_setg(errp, "CPU definition requires KVM"); 874 return; 875 } 876 877 if (!cpu->model) { 878 /* no host model support -> perform compatibility stuff */ 879 apply_cpu_model(NULL, errp); 880 return; 881 } 882 883 max_model = get_max_cpu_model(errp); 884 if (*errp) { 885 error_prepend(errp, "CPU models are not available: "); 886 return; 887 } 888 889 /* copy over properties that can vary */ 890 cpu->model->lowest_ibc = max_model->lowest_ibc; 891 cpu->model->cpu_id = max_model->cpu_id; 892 cpu->model->cpu_id_format = max_model->cpu_id_format; 893 cpu->model->cpu_ver = max_model->cpu_ver; 894 895 check_consistency(cpu->model); 896 check_compatibility(max_model, cpu->model, errp); 897 if (*errp) { 898 return; 899 } 900 901 apply_cpu_model(cpu->model, errp); 902 903 cpu->env.cpuid = s390_cpuid_from_cpu_model(cpu->model); 904 if (tcg_enabled()) { 905 /* basic mode, write the cpu address into the first 4 bit of the ID */ 906 cpu->env.cpuid = deposit64(cpu->env.cpuid, 54, 4, cpu->env.cpu_num); 907 } 908 } 909 910 static void get_feature(Object *obj, Visitor *v, const char *name, 911 void *opaque, Error **errp) 912 { 913 S390Feat feat = (S390Feat) opaque; 914 S390CPU *cpu = S390_CPU(obj); 915 bool value; 916 917 if (!cpu->model) { 918 error_setg(errp, "Details about the host CPU model are not available, " 919 "features cannot be queried."); 920 return; 921 } 922 923 value = test_bit(feat, cpu->model->features); 924 visit_type_bool(v, name, &value, errp); 925 } 926 927 static void set_feature(Object *obj, Visitor *v, const char *name, 928 void *opaque, Error **errp) 929 { 930 S390Feat feat = (S390Feat) opaque; 931 DeviceState *dev = DEVICE(obj); 932 S390CPU *cpu = S390_CPU(obj); 933 bool value; 934 935 if (dev->realized) { 936 error_setg(errp, "Attempt to set property '%s' on '%s' after " 937 "it was realized", name, object_get_typename(obj)); 938 return; 939 } else if (!cpu->model) { 940 error_setg(errp, "Details about the host CPU model are not available, " 941 "features cannot be changed."); 942 return; 943 } 944 945 visit_type_bool(v, name, &value, errp); 946 if (*errp) { 947 return; 948 } 949 if (value) { 950 if (!test_bit(feat, cpu->model->def->full_feat)) { 951 error_setg(errp, "Feature '%s' is not available for CPU model '%s'," 952 " it was introduced with later models.", 953 name, cpu->model->def->name); 954 return; 955 } 956 set_bit(feat, cpu->model->features); 957 } else { 958 clear_bit(feat, cpu->model->features); 959 } 960 } 961 962 static void get_feature_group(Object *obj, Visitor *v, const char *name, 963 void *opaque, Error **errp) 964 { 965 S390FeatGroup group = (S390FeatGroup) opaque; 966 const S390FeatGroupDef *def = s390_feat_group_def(group); 967 S390CPU *cpu = S390_CPU(obj); 968 S390FeatBitmap tmp; 969 bool value; 970 971 if (!cpu->model) { 972 error_setg(errp, "Details about the host CPU model are not available, " 973 "features cannot be queried."); 974 return; 975 } 976 977 /* a group is enabled if all features are enabled */ 978 bitmap_and(tmp, cpu->model->features, def->feat, S390_FEAT_MAX); 979 value = bitmap_equal(tmp, def->feat, S390_FEAT_MAX); 980 visit_type_bool(v, name, &value, errp); 981 } 982 983 static void set_feature_group(Object *obj, Visitor *v, const char *name, 984 void *opaque, Error **errp) 985 { 986 S390FeatGroup group = (S390FeatGroup) opaque; 987 const S390FeatGroupDef *def = s390_feat_group_def(group); 988 DeviceState *dev = DEVICE(obj); 989 S390CPU *cpu = S390_CPU(obj); 990 bool value; 991 992 if (dev->realized) { 993 error_setg(errp, "Attempt to set property '%s' on '%s' after " 994 "it was realized", name, object_get_typename(obj)); 995 return; 996 } else if (!cpu->model) { 997 error_setg(errp, "Details about the host CPU model are not available, " 998 "features cannot be changed."); 999 return; 1000 } 1001 1002 visit_type_bool(v, name, &value, errp); 1003 if (*errp) { 1004 return; 1005 } 1006 if (value) { 1007 /* groups are added in one shot, so an intersect is sufficient */ 1008 if (!bitmap_intersects(def->feat, cpu->model->def->full_feat, 1009 S390_FEAT_MAX)) { 1010 error_setg(errp, "Group '%s' is not available for CPU model '%s'," 1011 " it was introduced with later models.", 1012 name, cpu->model->def->name); 1013 return; 1014 } 1015 bitmap_or(cpu->model->features, cpu->model->features, def->feat, 1016 S390_FEAT_MAX); 1017 } else { 1018 bitmap_andnot(cpu->model->features, cpu->model->features, def->feat, 1019 S390_FEAT_MAX); 1020 } 1021 } 1022 1023 void s390_cpu_model_register_props(Object *obj) 1024 { 1025 S390FeatGroup group; 1026 S390Feat feat; 1027 1028 for (feat = 0; feat < S390_FEAT_MAX; feat++) { 1029 const S390FeatDef *def = s390_feat_def(feat); 1030 object_property_add(obj, def->name, "bool", get_feature, 1031 set_feature, NULL, (void *) feat, NULL); 1032 object_property_set_description(obj, def->name, def->desc , NULL); 1033 } 1034 for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { 1035 const S390FeatGroupDef *def = s390_feat_group_def(group); 1036 object_property_add(obj, def->name, "bool", get_feature_group, 1037 set_feature_group, NULL, (void *) group, NULL); 1038 object_property_set_description(obj, def->name, def->desc , NULL); 1039 } 1040 } 1041 1042 static void s390_cpu_model_initfn(Object *obj) 1043 { 1044 S390CPU *cpu = S390_CPU(obj); 1045 S390CPUClass *xcc = S390_CPU_GET_CLASS(cpu); 1046 1047 cpu->model = g_malloc0(sizeof(*cpu->model)); 1048 /* copy the model, so we can modify it */ 1049 cpu->model->def = xcc->cpu_def; 1050 if (xcc->is_static) { 1051 /* base model - features will never change */ 1052 bitmap_copy(cpu->model->features, cpu->model->def->base_feat, 1053 S390_FEAT_MAX); 1054 } else { 1055 /* latest model - features can change */ 1056 bitmap_copy(cpu->model->features, 1057 cpu->model->def->default_feat, S390_FEAT_MAX); 1058 } 1059 } 1060 1061 #ifdef CONFIG_KVM 1062 static void s390_host_cpu_model_initfn(Object *obj) 1063 { 1064 S390CPU *cpu = S390_CPU(obj); 1065 Error *err = NULL; 1066 1067 if (!kvm_enabled() || !kvm_s390_cpu_models_supported()) { 1068 return; 1069 } 1070 1071 cpu->model = g_malloc0(sizeof(*cpu->model)); 1072 kvm_s390_get_host_cpu_model(cpu->model, &err); 1073 if (err) { 1074 error_report_err(err); 1075 g_free(cpu->model); 1076 /* fallback to unsupported cpu models */ 1077 cpu->model = NULL; 1078 } 1079 } 1080 #endif 1081 1082 static void s390_qemu_cpu_model_initfn(Object *obj) 1083 { 1084 static S390CPUDef s390_qemu_cpu_defs; 1085 S390CPU *cpu = S390_CPU(obj); 1086 1087 cpu->model = g_malloc0(sizeof(*cpu->model)); 1088 /* TCG emulates a z900 (with some optional additional features) */ 1089 memcpy(&s390_qemu_cpu_defs, &s390_cpu_defs[0], sizeof(s390_qemu_cpu_defs)); 1090 add_qemu_cpu_model_features(s390_qemu_cpu_defs.full_feat); 1091 cpu->model->def = &s390_qemu_cpu_defs; 1092 bitmap_copy(cpu->model->features, cpu->model->def->default_feat, 1093 S390_FEAT_MAX); 1094 } 1095 1096 static void s390_cpu_model_finalize(Object *obj) 1097 { 1098 S390CPU *cpu = S390_CPU(obj); 1099 1100 g_free(cpu->model); 1101 cpu->model = NULL; 1102 } 1103 1104 static bool get_is_migration_safe(Object *obj, Error **errp) 1105 { 1106 return S390_CPU_GET_CLASS(obj)->is_migration_safe; 1107 } 1108 1109 static bool get_is_static(Object *obj, Error **errp) 1110 { 1111 return S390_CPU_GET_CLASS(obj)->is_static; 1112 } 1113 1114 static char *get_description(Object *obj, Error **errp) 1115 { 1116 return g_strdup(S390_CPU_GET_CLASS(obj)->desc); 1117 } 1118 1119 void s390_cpu_model_class_register_props(ObjectClass *oc) 1120 { 1121 object_class_property_add_bool(oc, "migration-safe", get_is_migration_safe, 1122 NULL, NULL); 1123 object_class_property_add_bool(oc, "static", get_is_static, 1124 NULL, NULL); 1125 object_class_property_add_str(oc, "description", get_description, NULL, 1126 NULL); 1127 } 1128 1129 #ifdef CONFIG_KVM 1130 static void s390_host_cpu_model_class_init(ObjectClass *oc, void *data) 1131 { 1132 S390CPUClass *xcc = S390_CPU_CLASS(oc); 1133 1134 xcc->kvm_required = true; 1135 xcc->desc = "KVM only: All recognized features"; 1136 } 1137 #endif 1138 1139 static void s390_base_cpu_model_class_init(ObjectClass *oc, void *data) 1140 { 1141 S390CPUClass *xcc = S390_CPU_CLASS(oc); 1142 1143 /* all base models are migration safe */ 1144 xcc->cpu_def = (const S390CPUDef *) data; 1145 xcc->is_migration_safe = true; 1146 xcc->is_static = true; 1147 xcc->desc = xcc->cpu_def->desc; 1148 } 1149 1150 static void s390_cpu_model_class_init(ObjectClass *oc, void *data) 1151 { 1152 S390CPUClass *xcc = S390_CPU_CLASS(oc); 1153 1154 /* model that can change between QEMU versions */ 1155 xcc->cpu_def = (const S390CPUDef *) data; 1156 xcc->is_migration_safe = true; 1157 xcc->desc = xcc->cpu_def->desc; 1158 } 1159 1160 static void s390_qemu_cpu_model_class_init(ObjectClass *oc, void *data) 1161 { 1162 S390CPUClass *xcc = S390_CPU_CLASS(oc); 1163 1164 xcc->is_migration_safe = true; 1165 xcc->desc = g_strdup_printf("QEMU Virtual CPU version %s", 1166 qemu_hw_version()); 1167 } 1168 1169 #define S390_CPU_TYPE_SUFFIX "-" TYPE_S390_CPU 1170 #define S390_CPU_TYPE_NAME(name) (name S390_CPU_TYPE_SUFFIX) 1171 1172 /* Generate type name for a cpu model. Caller has to free the string. */ 1173 static char *s390_cpu_type_name(const char *model_name) 1174 { 1175 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name); 1176 } 1177 1178 /* Generate type name for a base cpu model. Caller has to free the string. */ 1179 static char *s390_base_cpu_type_name(const char *model_name) 1180 { 1181 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name); 1182 } 1183 1184 ObjectClass *s390_cpu_class_by_name(const char *name) 1185 { 1186 char *typename = s390_cpu_type_name(name); 1187 ObjectClass *oc; 1188 1189 oc = object_class_by_name(typename); 1190 g_free(typename); 1191 return oc; 1192 } 1193 1194 static const TypeInfo qemu_s390_cpu_type_info = { 1195 .name = S390_CPU_TYPE_NAME("qemu"), 1196 .parent = TYPE_S390_CPU, 1197 .instance_init = s390_qemu_cpu_model_initfn, 1198 .instance_finalize = s390_cpu_model_finalize, 1199 .class_init = s390_qemu_cpu_model_class_init, 1200 }; 1201 1202 #ifdef CONFIG_KVM 1203 static const TypeInfo host_s390_cpu_type_info = { 1204 .name = S390_CPU_TYPE_NAME("host"), 1205 .parent = TYPE_S390_CPU, 1206 .instance_init = s390_host_cpu_model_initfn, 1207 .instance_finalize = s390_cpu_model_finalize, 1208 .class_init = s390_host_cpu_model_class_init, 1209 }; 1210 #endif 1211 1212 static void register_types(void) 1213 { 1214 int i; 1215 1216 /* init all bitmaps from gnerated data initially */ 1217 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 1218 s390_init_feat_bitmap(s390_cpu_defs[i].base_init, 1219 s390_cpu_defs[i].base_feat); 1220 s390_init_feat_bitmap(s390_cpu_defs[i].default_init, 1221 s390_cpu_defs[i].default_feat); 1222 s390_init_feat_bitmap(s390_cpu_defs[i].full_init, 1223 s390_cpu_defs[i].full_feat); 1224 } 1225 1226 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 1227 char *base_name = s390_base_cpu_type_name(s390_cpu_defs[i].name); 1228 TypeInfo ti_base = { 1229 .name = base_name, 1230 .parent = TYPE_S390_CPU, 1231 .instance_init = s390_cpu_model_initfn, 1232 .instance_finalize = s390_cpu_model_finalize, 1233 .class_init = s390_base_cpu_model_class_init, 1234 .class_data = (void *) &s390_cpu_defs[i], 1235 }; 1236 char *name = s390_cpu_type_name(s390_cpu_defs[i].name); 1237 TypeInfo ti = { 1238 .name = name, 1239 .parent = TYPE_S390_CPU, 1240 .instance_init = s390_cpu_model_initfn, 1241 .instance_finalize = s390_cpu_model_finalize, 1242 .class_init = s390_cpu_model_class_init, 1243 .class_data = (void *) &s390_cpu_defs[i], 1244 }; 1245 1246 type_register_static(&ti_base); 1247 type_register_static(&ti); 1248 g_free(base_name); 1249 g_free(name); 1250 } 1251 1252 type_register_static(&qemu_s390_cpu_type_info); 1253 #ifdef CONFIG_KVM 1254 type_register_static(&host_s390_cpu_type_info); 1255 #endif 1256 } 1257 1258 type_init(register_types) 1259