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 "s390x-internal.h" 16 #include "kvm/kvm_s390x.h" 17 #include "system/kvm.h" 18 #include "system/tcg.h" 19 #include "qapi/error.h" 20 #include "qemu/error-report.h" 21 #include "qapi/visitor.h" 22 #include "qemu/module.h" 23 #include "qemu/hw-version.h" 24 #include "qemu/qemu-print.h" 25 #ifndef CONFIG_USER_ONLY 26 #include "system/system.h" 27 #include "target/s390x/kvm/pv.h" 28 #include CONFIG_DEVICES 29 #endif 30 31 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \ 32 { \ 33 .name = _name, \ 34 .type = _type, \ 35 .gen = _gen, \ 36 .ec_ga = _ec_ga, \ 37 .mha_pow = _mha_pow, \ 38 .hmfai = _hmfai, \ 39 .desc = _desc, \ 40 .base_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _BASE }, \ 41 .default_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _DEFAULT }, \ 42 .full_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _FULL }, \ 43 } 44 45 /* 46 * CPU definition list in order of release. Up to generation 14 base features 47 * of a following release have been a superset of the previous release. With 48 * generation 15 one base feature and one optional feature have been deprecated. 49 */ 50 static S390CPUDef s390_cpu_defs[] = { 51 /* 52 * Linux requires at least z10 nowadays, and IBM only supports recent CPUs 53 * (see https://www.ibm.com/support/pages/ibm-mainframe-life-cycle-history), 54 * so we consider older CPUs as legacy that can optionally be disabled via 55 * the CONFIG_S390X_LEGACY_CPUS config switch. 56 */ 57 #if defined(CONFIG_S390X_LEGACY_CPUS) || defined(CONFIG_USER_ONLY) 58 CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U, "z900", "IBM zSeries 900 GA1"), 59 CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U, "z900.2", "IBM zSeries 900 GA2"), 60 CPUDEF_INIT(0x2064, 7, 3, 38, 0x00000000U, "z900.3", "IBM zSeries 900 GA3"), 61 CPUDEF_INIT(0x2066, 7, 3, 38, 0x00000000U, "z800", "IBM zSeries 800 GA1"), 62 CPUDEF_INIT(0x2084, 8, 1, 38, 0x00000000U, "z990", "IBM zSeries 990 GA1"), 63 CPUDEF_INIT(0x2084, 8, 2, 38, 0x00000000U, "z990.2", "IBM zSeries 990 GA2"), 64 CPUDEF_INIT(0x2084, 8, 3, 38, 0x00000000U, "z990.3", "IBM zSeries 990 GA3"), 65 CPUDEF_INIT(0x2086, 8, 3, 38, 0x00000000U, "z890", "IBM zSeries 880 GA1"), 66 CPUDEF_INIT(0x2084, 8, 4, 38, 0x00000000U, "z990.4", "IBM zSeries 990 GA4"), 67 CPUDEF_INIT(0x2086, 8, 4, 38, 0x00000000U, "z890.2", "IBM zSeries 880 GA2"), 68 CPUDEF_INIT(0x2084, 8, 5, 38, 0x00000000U, "z990.5", "IBM zSeries 990 GA5"), 69 CPUDEF_INIT(0x2086, 8, 5, 38, 0x00000000U, "z890.3", "IBM zSeries 880 GA3"), 70 CPUDEF_INIT(0x2094, 9, 1, 40, 0x00000000U, "z9EC", "IBM System z9 EC GA1"), 71 CPUDEF_INIT(0x2094, 9, 2, 40, 0x00000000U, "z9EC.2", "IBM System z9 EC GA2"), 72 CPUDEF_INIT(0x2096, 9, 2, 40, 0x00000000U, "z9BC", "IBM System z9 BC GA1"), 73 CPUDEF_INIT(0x2094, 9, 3, 40, 0x00000000U, "z9EC.3", "IBM System z9 EC GA3"), 74 CPUDEF_INIT(0x2096, 9, 3, 40, 0x00000000U, "z9BC.2", "IBM System z9 BC GA2"), 75 #endif 76 CPUDEF_INIT(0x2097, 10, 1, 43, 0x00000000U, "z10EC", "IBM System z10 EC GA1"), 77 CPUDEF_INIT(0x2097, 10, 2, 43, 0x00000000U, "z10EC.2", "IBM System z10 EC GA2"), 78 CPUDEF_INIT(0x2098, 10, 2, 43, 0x00000000U, "z10BC", "IBM System z10 BC GA1"), 79 CPUDEF_INIT(0x2097, 10, 3, 43, 0x00000000U, "z10EC.3", "IBM System z10 EC GA3"), 80 CPUDEF_INIT(0x2098, 10, 3, 43, 0x00000000U, "z10BC.2", "IBM System z10 BC GA2"), 81 CPUDEF_INIT(0x2817, 11, 1, 44, 0x08000000U, "z196", "IBM zEnterprise 196 GA1"), 82 CPUDEF_INIT(0x2817, 11, 2, 44, 0x08000000U, "z196.2", "IBM zEnterprise 196 GA2"), 83 CPUDEF_INIT(0x2818, 11, 2, 44, 0x08000000U, "z114", "IBM zEnterprise 114 GA1"), 84 CPUDEF_INIT(0x2827, 12, 1, 44, 0x08000000U, "zEC12", "IBM zEnterprise EC12 GA1"), 85 CPUDEF_INIT(0x2827, 12, 2, 44, 0x08000000U, "zEC12.2", "IBM zEnterprise EC12 GA2"), 86 CPUDEF_INIT(0x2828, 12, 2, 44, 0x08000000U, "zBC12", "IBM zEnterprise BC12 GA1"), 87 CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U, "z13", "IBM z13 GA1"), 88 CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U, "z13.2", "IBM z13 GA2"), 89 CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"), 90 CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U, "z14", "IBM z14 GA1"), 91 CPUDEF_INIT(0x3906, 14, 2, 47, 0x08000000U, "z14.2", "IBM z14 GA2"), 92 CPUDEF_INIT(0x3907, 14, 1, 47, 0x08000000U, "z14ZR1", "IBM z14 Model ZR1 GA1"), 93 CPUDEF_INIT(0x8561, 15, 1, 47, 0x08000000U, "gen15a", "IBM z15 T01 GA1"), 94 CPUDEF_INIT(0x8562, 15, 1, 47, 0x08000000U, "gen15b", "IBM z15 T02 GA1"), 95 CPUDEF_INIT(0x3931, 16, 1, 47, 0x08000000U, "gen16a", "IBM 3931 GA1"), 96 CPUDEF_INIT(0x3932, 16, 1, 47, 0x08000000U, "gen16b", "IBM 3932 GA1"), 97 CPUDEF_INIT(0x9175, 17, 1, 47, 0x08000000U, "gen17a", "IBM 9175 GA1"), 98 CPUDEF_INIT(0x9176, 17, 1, 47, 0x08000000U, "gen17b", "IBM 9176 GA1"), 99 }; 100 101 #define QEMU_MAX_CPU_TYPE 0x8561 102 #define QEMU_MAX_CPU_GEN 15 103 #define QEMU_MAX_CPU_EC_GA 1 104 static S390FeatBitmap qemu_max_cpu_feat; 105 106 /* features part of a base model but not relevant for finding a base model */ 107 S390FeatBitmap ignored_base_feat; 108 109 void s390_cpudef_featoff(uint8_t gen, uint8_t ec_ga, S390Feat feat) 110 { 111 const S390CPUDef *def; 112 113 def = s390_find_cpu_def(0, gen, ec_ga, NULL); 114 clear_bit(feat, (unsigned long *)&def->default_feat); 115 } 116 117 void s390_cpudef_featoff_greater(uint8_t gen, uint8_t ec_ga, S390Feat feat) 118 { 119 int i; 120 121 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 122 const S390CPUDef *def = &s390_cpu_defs[i]; 123 124 if (def->gen < gen) { 125 continue; 126 } 127 if (def->gen == gen && def->ec_ga < ec_ga) { 128 continue; 129 } 130 131 clear_bit(feat, (unsigned long *)&def->default_feat); 132 } 133 } 134 135 void s390_cpudef_group_featoff_greater(uint8_t gen, uint8_t ec_ga, 136 S390FeatGroup group) 137 { 138 const S390FeatGroupDef *group_def = s390_feat_group_def(group); 139 S390FeatBitmap group_def_off; 140 int i; 141 142 bitmap_complement(group_def_off, group_def->feat, S390_FEAT_MAX); 143 144 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 145 const S390CPUDef *cpu_def = &s390_cpu_defs[i]; 146 147 if (cpu_def->gen < gen) { 148 continue; 149 } 150 if (cpu_def->gen == gen && cpu_def->ec_ga < ec_ga) { 151 continue; 152 } 153 154 bitmap_and((unsigned long *)&cpu_def->default_feat, 155 cpu_def->default_feat, group_def_off, S390_FEAT_MAX); 156 } 157 } 158 159 uint32_t s390_get_hmfai(void) 160 { 161 static S390CPU *cpu; 162 163 if (!cpu) { 164 cpu = S390_CPU(qemu_get_cpu(0)); 165 } 166 167 if (!cpu || !cpu->model) { 168 return 0; 169 } 170 return cpu->model->def->hmfai; 171 } 172 173 uint8_t s390_get_mha_pow(void) 174 { 175 static S390CPU *cpu; 176 177 if (!cpu) { 178 cpu = S390_CPU(qemu_get_cpu(0)); 179 } 180 181 if (!cpu || !cpu->model) { 182 return 0; 183 } 184 return cpu->model->def->mha_pow; 185 } 186 187 uint32_t s390_get_ibc_val(void) 188 { 189 uint16_t unblocked_ibc, lowest_ibc; 190 static S390CPU *cpu; 191 192 if (!cpu) { 193 cpu = S390_CPU(qemu_get_cpu(0)); 194 } 195 196 if (!cpu || !cpu->model) { 197 return 0; 198 } 199 unblocked_ibc = s390_ibc_from_cpu_model(cpu->model); 200 lowest_ibc = cpu->model->lowest_ibc; 201 /* the lowest_ibc always has to be <= unblocked_ibc */ 202 if (!lowest_ibc || lowest_ibc > unblocked_ibc) { 203 return 0; 204 } 205 return ((uint32_t) lowest_ibc << 16) | unblocked_ibc; 206 } 207 208 void s390_get_feat_block(S390FeatType type, uint8_t *data) 209 { 210 S390CPU *cpu = S390_CPU(first_cpu); 211 212 if (!cpu || !cpu->model) { 213 return; 214 } 215 s390_fill_feat_block(cpu->model->features, type, data); 216 } 217 218 bool s390_has_feat(S390Feat feat) 219 { 220 static S390CPU *cpu; 221 222 if (!cpu) { 223 cpu = S390_CPU(qemu_get_cpu(0)); 224 } 225 226 if (!cpu || !cpu->model) { 227 #ifdef CONFIG_KVM 228 if (kvm_enabled()) { 229 if (feat == S390_FEAT_VECTOR) { 230 return kvm_check_extension(kvm_state, 231 KVM_CAP_S390_VECTOR_REGISTERS); 232 } 233 if (feat == S390_FEAT_RUNTIME_INSTRUMENTATION) { 234 return kvm_s390_get_ri(); 235 } 236 if (feat == S390_FEAT_MSA_EXT_3) { 237 return true; 238 } 239 } 240 #endif 241 if (feat == S390_FEAT_ZPCI) { 242 return true; 243 } 244 return 0; 245 } 246 247 #ifndef CONFIG_USER_ONLY 248 if (s390_is_pv()) { 249 switch (feat) { 250 case S390_FEAT_DIAG_318: 251 case S390_FEAT_HPMA2: 252 case S390_FEAT_SIE_F2: 253 case S390_FEAT_SIE_SKEY: 254 case S390_FEAT_SIE_GPERE: 255 case S390_FEAT_SIE_SIIF: 256 case S390_FEAT_SIE_SIGPIF: 257 case S390_FEAT_SIE_IB: 258 case S390_FEAT_SIE_CEI: 259 case S390_FEAT_SIE_KSS: 260 case S390_FEAT_SIE_GSLS: 261 case S390_FEAT_SIE_64BSCAO: 262 case S390_FEAT_SIE_CMMA: 263 case S390_FEAT_SIE_PFMFI: 264 case S390_FEAT_SIE_IBS: 265 case S390_FEAT_CONFIGURATION_TOPOLOGY: 266 return false; 267 break; 268 default: 269 break; 270 } 271 } 272 #endif 273 return test_bit(feat, cpu->model->features); 274 } 275 276 uint8_t s390_get_gen_for_cpu_type(uint16_t type) 277 { 278 int i; 279 280 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 281 if (s390_cpu_defs[i].type == type) { 282 return s390_cpu_defs[i].gen; 283 } 284 } 285 return 0; 286 } 287 288 const S390CPUDef *s390_find_cpu_def(uint16_t type, uint8_t gen, uint8_t ec_ga, 289 S390FeatBitmap features) 290 { 291 const S390CPUDef *last_compatible = NULL; 292 const S390CPUDef *matching_cpu_type = NULL; 293 int i; 294 295 if (!gen) { 296 ec_ga = 0; 297 } 298 if (!gen && type) { 299 gen = s390_get_gen_for_cpu_type(type); 300 } 301 302 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 303 const S390CPUDef *def = &s390_cpu_defs[i]; 304 S390FeatBitmap missing; 305 306 /* don't even try newer generations if we know the generation */ 307 if (gen) { 308 if (def->gen > gen) { 309 break; 310 } else if (def->gen == gen && ec_ga && def->ec_ga > ec_ga) { 311 break; 312 } 313 } 314 315 if (features) { 316 /* see if the model satisfies the minimum features */ 317 bitmap_andnot(missing, def->base_feat, features, S390_FEAT_MAX); 318 /* 319 * Ignore certain features that are in the base model, but not 320 * relevant for the search (esp. MSA subfunctions). 321 */ 322 bitmap_andnot(missing, missing, ignored_base_feat, S390_FEAT_MAX); 323 if (!bitmap_empty(missing, S390_FEAT_MAX)) { 324 break; 325 } 326 } 327 328 /* stop the search if we found the exact model */ 329 if (def->type == type && def->ec_ga == ec_ga) { 330 return def; 331 } 332 /* remember if we've at least seen one with the same cpu type */ 333 if (def->type == type) { 334 matching_cpu_type = def; 335 } 336 last_compatible = def; 337 } 338 /* prefer the model with the same cpu type, esp. don't take the BC for EC */ 339 if (matching_cpu_type) { 340 return matching_cpu_type; 341 } 342 return last_compatible; 343 } 344 345 static void s390_print_cpu_model_list_entry(gpointer data, gpointer user_data) 346 { 347 const S390CPUClass *scc = S390_CPU_CLASS((ObjectClass *)data); 348 CPUClass *cc = CPU_CLASS(scc); 349 char *name = g_strdup(object_class_get_name((ObjectClass *)data)); 350 g_autoptr(GString) details = g_string_new(""); 351 352 if (scc->is_static) { 353 g_string_append(details, "static, "); 354 } 355 if (scc->is_migration_safe) { 356 g_string_append(details, "migration-safe, "); 357 } 358 if (cc->deprecation_note) { 359 g_string_append(details, "deprecated, "); 360 } 361 if (details->len) { 362 /* cull trailing ', ' */ 363 g_string_truncate(details, details->len - 2); 364 } 365 366 /* strip off the -s390x-cpu */ 367 g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0; 368 if (details->len) { 369 qemu_printf(" %-15s %-35s (%s)\n", name, scc->desc, details->str); 370 } else { 371 qemu_printf(" %-15s %-35s\n", name, scc->desc); 372 } 373 g_free(name); 374 } 375 376 static gint s390_cpu_list_compare(gconstpointer a, gconstpointer b) 377 { 378 const S390CPUClass *cc_a = S390_CPU_CLASS((ObjectClass *)a); 379 const S390CPUClass *cc_b = S390_CPU_CLASS((ObjectClass *)b); 380 const char *name_a = object_class_get_name((ObjectClass *)a); 381 const char *name_b = object_class_get_name((ObjectClass *)b); 382 383 /* 384 * Move qemu, host and max to the top of the list, qemu first, host second, 385 * max third. 386 */ 387 if (name_a[0] == 'q') { 388 return -1; 389 } else if (name_b[0] == 'q') { 390 return 1; 391 } else if (name_a[0] == 'h') { 392 return -1; 393 } else if (name_b[0] == 'h') { 394 return 1; 395 } else if (name_a[0] == 'm') { 396 return -1; 397 } else if (name_b[0] == 'm') { 398 return 1; 399 } 400 401 /* keep the same order we have in our table (sorted by release date) */ 402 if (cc_a->cpu_def != cc_b->cpu_def) { 403 return cc_a->cpu_def - cc_b->cpu_def; 404 } 405 406 /* exact same definition - list base model first */ 407 return cc_a->is_static ? -1 : 1; 408 } 409 410 void s390_cpu_list(void) 411 { 412 S390FeatGroup group; 413 S390Feat feat; 414 GSList *list; 415 416 qemu_printf("Available CPUs:\n"); 417 list = object_class_get_list(TYPE_S390_CPU, false); 418 list = g_slist_sort(list, s390_cpu_list_compare); 419 g_slist_foreach(list, s390_print_cpu_model_list_entry, NULL); 420 g_slist_free(list); 421 422 qemu_printf("\nRecognized feature flags:\n"); 423 for (feat = 0; feat < S390_FEAT_MAX; feat++) { 424 const S390FeatDef *def = s390_feat_def(feat); 425 426 qemu_printf(" %-20s %s\n", def->name, def->desc); 427 } 428 429 qemu_printf("\nRecognized feature groups:\n"); 430 for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { 431 const S390FeatGroupDef *def = s390_feat_group_def(group); 432 433 qemu_printf(" %-20s %s\n", def->name, def->desc); 434 } 435 } 436 437 static void check_consistency(const S390CPUModel *model) 438 { 439 static int dep[][2] = { 440 { S390_FEAT_IPTE_RANGE, S390_FEAT_DAT_ENH }, 441 { S390_FEAT_IDTE_SEGMENT, S390_FEAT_DAT_ENH }, 442 { S390_FEAT_IDTE_REGION, S390_FEAT_DAT_ENH }, 443 { S390_FEAT_IDTE_REGION, S390_FEAT_IDTE_SEGMENT }, 444 { S390_FEAT_LOCAL_TLB_CLEARING, S390_FEAT_DAT_ENH}, 445 { S390_FEAT_LONG_DISPLACEMENT_FAST, S390_FEAT_LONG_DISPLACEMENT }, 446 { S390_FEAT_DFP_FAST, S390_FEAT_DFP }, 447 { S390_FEAT_TRANSACTIONAL_EXE, S390_FEAT_STFLE_49 }, 448 { S390_FEAT_EDAT_2, S390_FEAT_EDAT}, 449 { S390_FEAT_MSA_EXT_5, S390_FEAT_KIMD_SHA_512 }, 450 { S390_FEAT_MSA_EXT_5, S390_FEAT_KLMD_SHA_512 }, 451 { S390_FEAT_MSA_EXT_4, S390_FEAT_MSA_EXT_3 }, 452 { S390_FEAT_SIE_CMMA, S390_FEAT_CMM }, 453 { S390_FEAT_SIE_CMMA, S390_FEAT_SIE_GSLS }, 454 { S390_FEAT_SIE_PFMFI, S390_FEAT_EDAT }, 455 { S390_FEAT_MSA_EXT_8, S390_FEAT_MSA_EXT_3 }, 456 { S390_FEAT_MSA_EXT_9, S390_FEAT_MSA_EXT_3 }, 457 { S390_FEAT_MSA_EXT_9, S390_FEAT_MSA_EXT_4 }, 458 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING }, 459 { S390_FEAT_VECTOR_PACKED_DECIMAL, S390_FEAT_VECTOR }, 460 { S390_FEAT_VECTOR_PACKED_DECIMAL_ENH, S390_FEAT_VECTOR_PACKED_DECIMAL }, 461 { S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH }, 462 { S390_FEAT_VECTOR_PACKED_DECIMAL_ENH3, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2 }, 463 { S390_FEAT_VECTOR_ENH, S390_FEAT_VECTOR }, 464 { S390_FEAT_VECTOR_ENH2, S390_FEAT_VECTOR_ENH }, 465 { S390_FEAT_VECTOR_ENH3, S390_FEAT_VECTOR_ENH2 }, 466 { S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 }, 467 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_ESOP }, 468 { S390_FEAT_CMM_NT, S390_FEAT_CMM }, 469 { S390_FEAT_GUARDED_STORAGE, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 }, 470 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_STORE_CLOCK_FAST }, 471 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING }, 472 { S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_STFLE_49 }, 473 { S390_FEAT_KIMD_SHA3_224, S390_FEAT_MSA }, 474 { S390_FEAT_KIMD_SHA3_256, S390_FEAT_MSA }, 475 { S390_FEAT_KIMD_SHA3_384, S390_FEAT_MSA }, 476 { S390_FEAT_KIMD_SHA3_512, S390_FEAT_MSA }, 477 { S390_FEAT_KIMD_SHAKE_128, S390_FEAT_MSA }, 478 { S390_FEAT_KIMD_SHAKE_256, S390_FEAT_MSA }, 479 { S390_FEAT_KLMD_SHA3_224, S390_FEAT_MSA }, 480 { S390_FEAT_KLMD_SHA3_256, S390_FEAT_MSA }, 481 { S390_FEAT_KLMD_SHA3_384, S390_FEAT_MSA }, 482 { S390_FEAT_KLMD_SHA3_512, S390_FEAT_MSA }, 483 { S390_FEAT_KLMD_SHAKE_128, S390_FEAT_MSA }, 484 { S390_FEAT_KLMD_SHAKE_256, S390_FEAT_MSA }, 485 { S390_FEAT_KMAC_HMAC_SHA_224, S390_FEAT_MSA_EXT_3 }, 486 { S390_FEAT_KMAC_HMAC_SHA_256, S390_FEAT_MSA_EXT_3 }, 487 { S390_FEAT_KMAC_HMAC_SHA_384, S390_FEAT_MSA_EXT_3 }, 488 { S390_FEAT_KMAC_HMAC_SHA_512, S390_FEAT_MSA_EXT_3 }, 489 { S390_FEAT_KMAC_HMAC_ESHA_224, S390_FEAT_MSA_EXT_3 }, 490 { S390_FEAT_KMAC_HMAC_ESHA_256, S390_FEAT_MSA_EXT_3 }, 491 { S390_FEAT_KMAC_HMAC_ESHA_384, S390_FEAT_MSA_EXT_3 }, 492 { S390_FEAT_KMAC_HMAC_ESHA_512, S390_FEAT_MSA_EXT_3 }, 493 { S390_FEAT_KM_FULL_XTS_AES_128, S390_FEAT_MSA_EXT_4 }, 494 { S390_FEAT_KM_FULL_XTS_AES_256, S390_FEAT_MSA_EXT_4 }, 495 { S390_FEAT_KM_FULL_XTS_EAES_128, S390_FEAT_MSA_EXT_4 }, 496 { S390_FEAT_KM_FULL_XTS_EAES_256, S390_FEAT_MSA_EXT_4 }, 497 { S390_FEAT_PRNO_TRNG_QRTCR, S390_FEAT_MSA_EXT_5 }, 498 { S390_FEAT_PRNO_TRNG, S390_FEAT_MSA_EXT_5 }, 499 { S390_FEAT_SIE_KSS, S390_FEAT_SIE_F2 }, 500 { S390_FEAT_AP_QUERY_CONFIG_INFO, S390_FEAT_AP }, 501 { S390_FEAT_AP_FACILITIES_TEST, S390_FEAT_AP }, 502 { S390_FEAT_PTFF_QSIE, S390_FEAT_MULTIPLE_EPOCH }, 503 { S390_FEAT_PTFF_QTOUE, S390_FEAT_MULTIPLE_EPOCH }, 504 { S390_FEAT_PTFF_STOE, S390_FEAT_MULTIPLE_EPOCH }, 505 { S390_FEAT_PTFF_STOUE, S390_FEAT_MULTIPLE_EPOCH }, 506 { S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, S390_FEAT_AP }, 507 { S390_FEAT_DIAG_318, S390_FEAT_EXTENDED_LENGTH_SCCB }, 508 { S390_FEAT_NNPA, S390_FEAT_VECTOR }, 509 { S390_FEAT_RDP, S390_FEAT_LOCAL_TLB_CLEARING }, 510 { S390_FEAT_UV_FEAT_AP, S390_FEAT_AP }, 511 { S390_FEAT_UV_FEAT_AP_INTR, S390_FEAT_UV_FEAT_AP }, 512 { S390_FEAT_PFCR_QAF, S390_FEAT_CCF_BASE }, 513 { S390_FEAT_PFCR_CSDST, S390_FEAT_CCF_BASE }, 514 { S390_FEAT_PFCR_CSDSTG, S390_FEAT_CCF_BASE }, 515 { S390_FEAT_PFCR_CSTST, S390_FEAT_CCF_BASE }, 516 { S390_FEAT_PFCR_CSTSTG, S390_FEAT_CCF_BASE }, 517 { S390_FEAT_INEFF_NC_TX, S390_FEAT_TRANSACTIONAL_EXE }, 518 { S390_FEAT_PLO_CLO, S390_FEAT_PLO_EXT }, 519 { S390_FEAT_PLO_CSO, S390_FEAT_PLO_EXT }, 520 { S390_FEAT_PLO_DCSO, S390_FEAT_PLO_EXT }, 521 { S390_FEAT_PLO_CSSTO, S390_FEAT_PLO_EXT }, 522 { S390_FEAT_PLO_CSDSTO, S390_FEAT_PLO_EXT }, 523 { S390_FEAT_PLO_CSTSTO, S390_FEAT_PLO_EXT }, 524 { S390_FEAT_PLO_TCS, S390_FEAT_PLO_EXT }, 525 { S390_FEAT_PLO_TCSG, S390_FEAT_PLO_EXT }, 526 { S390_FEAT_PLO_TCSX, S390_FEAT_PLO_EXT }, 527 { S390_FEAT_PLO_TCSO, S390_FEAT_PLO_EXT }, 528 { S390_FEAT_PLO_QCS, S390_FEAT_PLO_EXT }, 529 { S390_FEAT_PLO_QCSG, S390_FEAT_PLO_EXT }, 530 { S390_FEAT_PLO_QCSX, S390_FEAT_PLO_EXT }, 531 { S390_FEAT_PLO_QCSO, S390_FEAT_PLO_EXT }, 532 { S390_FEAT_PLO_LO, S390_FEAT_PLO_EXT }, 533 { S390_FEAT_PLO_DLX, S390_FEAT_PLO_EXT }, 534 { S390_FEAT_PLO_DLO, S390_FEAT_PLO_EXT }, 535 { S390_FEAT_PLO_TL, S390_FEAT_PLO_EXT }, 536 { S390_FEAT_PLO_TLG, S390_FEAT_PLO_EXT }, 537 { S390_FEAT_PLO_TLX, S390_FEAT_PLO_EXT }, 538 { S390_FEAT_PLO_TLO, S390_FEAT_PLO_EXT }, 539 { S390_FEAT_PLO_QL, S390_FEAT_PLO_EXT }, 540 { S390_FEAT_PLO_QLG, S390_FEAT_PLO_EXT }, 541 { S390_FEAT_PLO_QLX, S390_FEAT_PLO_EXT }, 542 { S390_FEAT_PLO_QLO, S390_FEAT_PLO_EXT }, 543 { S390_FEAT_PLO_STO, S390_FEAT_PLO_EXT }, 544 { S390_FEAT_PLO_DST, S390_FEAT_PLO_EXT }, 545 { S390_FEAT_PLO_DSTG, S390_FEAT_PLO_EXT }, 546 { S390_FEAT_PLO_DSTX, S390_FEAT_PLO_EXT }, 547 { S390_FEAT_PLO_DSTO, S390_FEAT_PLO_EXT }, 548 { S390_FEAT_PLO_TST, S390_FEAT_PLO_EXT }, 549 { S390_FEAT_PLO_TSTG, S390_FEAT_PLO_EXT }, 550 { S390_FEAT_PLO_TSTX, S390_FEAT_PLO_EXT }, 551 { S390_FEAT_PLO_TSTO, S390_FEAT_PLO_EXT }, 552 { S390_FEAT_PLO_QST, S390_FEAT_PLO_EXT }, 553 { S390_FEAT_PLO_QSTG, S390_FEAT_PLO_EXT }, 554 { S390_FEAT_PLO_QSTX, S390_FEAT_PLO_EXT }, 555 { S390_FEAT_PLO_QSTO, S390_FEAT_PLO_EXT }, 556 }; 557 int i; 558 559 for (i = 0; i < ARRAY_SIZE(dep); i++) { 560 if (test_bit(dep[i][0], model->features) && 561 !test_bit(dep[i][1], model->features)) { 562 warn_report("\'%s\' requires \'%s\'.", 563 s390_feat_def(dep[i][0])->name, 564 s390_feat_def(dep[i][1])->name); 565 } 566 } 567 } 568 569 static void error_prepend_missing_feat(const char *name, void *opaque) 570 { 571 error_prepend((Error **) opaque, "%s ", name); 572 } 573 574 static void check_compat_model_failed(Error **errp, 575 const S390CPUModel *max_model, 576 const char *msg) 577 { 578 error_setg(errp, "%s. Maximum supported model in the current configuration: \'%s\'", 579 msg, max_model->def->name); 580 error_append_hint(errp, "Consider a different accelerator, try \"-accel help\"\n"); 581 return; 582 } 583 584 static bool check_compatibility(const S390CPUModel *max_model, 585 const S390CPUModel *model, Error **errp) 586 { 587 ERRP_GUARD(); 588 S390FeatBitmap missing; 589 590 if (model->def->gen > max_model->def->gen) { 591 check_compat_model_failed(errp, max_model, "Selected CPU generation is too new"); 592 return false; 593 } else if (model->def->gen == max_model->def->gen && 594 model->def->ec_ga > max_model->def->ec_ga) { 595 check_compat_model_failed(errp, max_model, "Selected CPU GA level is too new"); 596 return false; 597 } 598 599 #ifndef CONFIG_USER_ONLY 600 if (only_migratable && test_bit(S390_FEAT_UNPACK, model->features)) { 601 error_setg(errp, "The unpack facility is not compatible with " 602 "the --only-migratable option. You must remove either " 603 "the 'unpack' facility or the --only-migratable option"); 604 return false; 605 } 606 #endif 607 608 /* detect the missing features to properly report them */ 609 bitmap_andnot(missing, model->features, max_model->features, S390_FEAT_MAX); 610 if (bitmap_empty(missing, S390_FEAT_MAX)) { 611 return true; 612 } 613 614 error_setg(errp, " "); 615 s390_feat_bitmap_to_ascii(missing, errp, error_prepend_missing_feat); 616 error_prepend(errp, "Some features requested in the CPU model are not " 617 "available in the current configuration: "); 618 error_append_hint(errp, 619 "Consider a different accelerator, QEMU, or kernel version\n"); 620 return false; 621 } 622 623 S390CPUModel *get_max_cpu_model(Error **errp) 624 { 625 static S390CPUModel max_model; 626 static bool cached; 627 628 if (cached) { 629 return &max_model; 630 } 631 632 if (kvm_enabled()) { 633 if (!kvm_s390_get_host_cpu_model(&max_model, errp)) { 634 return NULL; 635 } 636 } else { 637 max_model.def = s390_find_cpu_def(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN, 638 QEMU_MAX_CPU_EC_GA, NULL); 639 bitmap_copy(max_model.features, qemu_max_cpu_feat, S390_FEAT_MAX); 640 } 641 cached = true; 642 return &max_model; 643 } 644 645 void s390_realize_cpu_model(CPUState *cs, Error **errp) 646 { 647 ERRP_GUARD(); 648 S390CPUClass *xcc = S390_CPU_GET_CLASS(cs); 649 S390CPU *cpu = S390_CPU(cs); 650 const S390CPUModel *max_model; 651 652 if (xcc->kvm_required && !kvm_enabled()) { 653 error_setg(errp, "CPU definition requires KVM"); 654 return; 655 } 656 657 if (!cpu->model) { 658 /* no host model support -> perform compatibility stuff */ 659 apply_cpu_model(NULL, errp); 660 return; 661 } 662 663 max_model = get_max_cpu_model(errp); 664 if (!max_model) { 665 error_prepend(errp, "CPU models are not available: "); 666 return; 667 } 668 669 /* copy over properties that can vary */ 670 cpu->model->lowest_ibc = max_model->lowest_ibc; 671 cpu->model->cpu_id = max_model->cpu_id; 672 cpu->model->cpu_id_format = max_model->cpu_id_format; 673 cpu->model->cpu_ver = max_model->cpu_ver; 674 675 check_consistency(cpu->model); 676 if (!check_compatibility(max_model, cpu->model, errp)) { 677 return; 678 } 679 680 apply_cpu_model(cpu->model, errp); 681 682 #if !defined(CONFIG_USER_ONLY) 683 cpu->env.cpuid = s390_cpuid_from_cpu_model(cpu->model); 684 if (tcg_enabled()) { 685 cpu->env.cpuid = deposit64(cpu->env.cpuid, CPU_PHYS_ADDR_SHIFT, 686 CPU_PHYS_ADDR_BITS, cpu->env.core_id); 687 } 688 #endif 689 } 690 691 static void get_feature(Object *obj, Visitor *v, const char *name, 692 void *opaque, Error **errp) 693 { 694 S390Feat feat = (S390Feat) (uintptr_t) opaque; 695 S390CPU *cpu = S390_CPU(obj); 696 bool value; 697 698 if (!cpu->model) { 699 error_setg(errp, "Details about the host CPU model are not available, " 700 "features cannot be queried."); 701 return; 702 } 703 704 value = test_bit(feat, cpu->model->features); 705 visit_type_bool(v, name, &value, errp); 706 } 707 708 static void set_feature(Object *obj, Visitor *v, const char *name, 709 void *opaque, Error **errp) 710 { 711 S390Feat feat = (S390Feat) (uintptr_t) opaque; 712 DeviceState *dev = DEVICE(obj); 713 S390CPU *cpu = S390_CPU(obj); 714 bool value; 715 716 if (dev->realized) { 717 error_setg(errp, "Attempt to set property '%s' on '%s' after " 718 "it was realized", name, object_get_typename(obj)); 719 return; 720 } else if (!cpu->model) { 721 error_setg(errp, "Details about the host CPU model are not available, " 722 "features cannot be changed."); 723 return; 724 } 725 726 if (!visit_type_bool(v, name, &value, errp)) { 727 return; 728 } 729 if (value) { 730 if (!test_bit(feat, cpu->model->def->full_feat)) { 731 error_setg(errp, "Feature '%s' is not available for CPU model '%s'," 732 " it was introduced with later models.", 733 name, cpu->model->def->name); 734 return; 735 } 736 set_bit(feat, cpu->model->features); 737 } else { 738 clear_bit(feat, cpu->model->features); 739 } 740 } 741 742 static void get_feature_group(Object *obj, Visitor *v, const char *name, 743 void *opaque, Error **errp) 744 { 745 S390FeatGroup group = (S390FeatGroup) (uintptr_t) opaque; 746 const S390FeatGroupDef *def = s390_feat_group_def(group); 747 S390CPU *cpu = S390_CPU(obj); 748 S390FeatBitmap tmp; 749 bool value; 750 751 if (!cpu->model) { 752 error_setg(errp, "Details about the host CPU model are not available, " 753 "features cannot be queried."); 754 return; 755 } 756 757 /* a group is enabled if all features are enabled */ 758 bitmap_and(tmp, cpu->model->features, def->feat, S390_FEAT_MAX); 759 value = bitmap_equal(tmp, def->feat, S390_FEAT_MAX); 760 visit_type_bool(v, name, &value, errp); 761 } 762 763 static void set_feature_group(Object *obj, Visitor *v, const char *name, 764 void *opaque, Error **errp) 765 { 766 S390FeatGroup group = (S390FeatGroup) (uintptr_t) opaque; 767 const S390FeatGroupDef *def = s390_feat_group_def(group); 768 DeviceState *dev = DEVICE(obj); 769 S390CPU *cpu = S390_CPU(obj); 770 bool value; 771 772 if (dev->realized) { 773 error_setg(errp, "Attempt to set property '%s' on '%s' after " 774 "it was realized", name, object_get_typename(obj)); 775 return; 776 } else if (!cpu->model) { 777 error_setg(errp, "Details about the host CPU model are not available, " 778 "features cannot be changed."); 779 return; 780 } 781 782 if (!visit_type_bool(v, name, &value, errp)) { 783 return; 784 } 785 if (value) { 786 /* groups are added in one shot, so an intersect is sufficient */ 787 if (!bitmap_intersects(def->feat, cpu->model->def->full_feat, 788 S390_FEAT_MAX)) { 789 error_setg(errp, "Group '%s' is not available for CPU model '%s'," 790 " it was introduced with later models.", 791 name, cpu->model->def->name); 792 return; 793 } 794 bitmap_or(cpu->model->features, cpu->model->features, def->feat, 795 S390_FEAT_MAX); 796 } else { 797 bitmap_andnot(cpu->model->features, cpu->model->features, def->feat, 798 S390_FEAT_MAX); 799 } 800 } 801 802 static void s390_cpu_model_initfn(Object *obj) 803 { 804 S390CPU *cpu = S390_CPU(obj); 805 S390CPUClass *xcc = S390_CPU_GET_CLASS(cpu); 806 807 cpu->model = g_malloc0(sizeof(*cpu->model)); 808 /* copy the model, so we can modify it */ 809 cpu->model->def = xcc->cpu_def; 810 if (xcc->is_static) { 811 /* base model - features will never change */ 812 bitmap_copy(cpu->model->features, cpu->model->def->base_feat, 813 S390_FEAT_MAX); 814 } else { 815 /* latest model - features can change */ 816 bitmap_copy(cpu->model->features, 817 cpu->model->def->default_feat, S390_FEAT_MAX); 818 } 819 } 820 821 static S390CPUModel s390_qemu_cpu_model; 822 823 /* Set the qemu CPU model (on machine initialization). Must not be called 824 * once CPUs have been created. 825 */ 826 void s390_set_qemu_cpu_model(uint16_t type, uint8_t gen, uint8_t ec_ga, 827 const S390FeatInit feat_init) 828 { 829 const S390CPUDef *def = s390_find_cpu_def(type, gen, ec_ga, NULL); 830 831 g_assert(def); 832 g_assert(QTAILQ_EMPTY_RCU(&cpus_queue)); 833 834 /* build the CPU model */ 835 s390_qemu_cpu_model.def = def; 836 bitmap_zero(s390_qemu_cpu_model.features, S390_FEAT_MAX); 837 s390_init_feat_bitmap(feat_init, s390_qemu_cpu_model.features); 838 } 839 840 static void s390_qemu_cpu_model_initfn(Object *obj) 841 { 842 S390CPU *cpu = S390_CPU(obj); 843 844 cpu->model = g_malloc0(sizeof(*cpu->model)); 845 /* copy the CPU model so we can modify it */ 846 memcpy(cpu->model, &s390_qemu_cpu_model, sizeof(*cpu->model)); 847 } 848 849 static void s390_max_cpu_model_initfn(Object *obj) 850 { 851 const S390CPUModel *max_model; 852 S390CPU *cpu = S390_CPU(obj); 853 Error *local_err = NULL; 854 855 if (kvm_enabled() && !kvm_s390_cpu_models_supported()) { 856 /* "max" and "host" always work, even without CPU model support */ 857 return; 858 } 859 860 max_model = get_max_cpu_model(&local_err); 861 if (local_err) { 862 /* we expect errors only under KVM, when actually querying the kernel */ 863 g_assert(kvm_enabled()); 864 error_report_err(local_err); 865 /* fallback to unsupported CPU models */ 866 return; 867 } 868 869 cpu->model = g_new(S390CPUModel, 1); 870 /* copy the CPU model so we can modify it */ 871 memcpy(cpu->model, max_model, sizeof(*cpu->model)); 872 } 873 874 static void s390_cpu_model_finalize(Object *obj) 875 { 876 S390CPU *cpu = S390_CPU(obj); 877 878 g_free(cpu->model); 879 cpu->model = NULL; 880 } 881 882 static bool get_is_migration_safe(Object *obj, Error **errp) 883 { 884 return S390_CPU_GET_CLASS(obj)->is_migration_safe; 885 } 886 887 static bool get_is_static(Object *obj, Error **errp) 888 { 889 return S390_CPU_GET_CLASS(obj)->is_static; 890 } 891 892 static char *get_description(Object *obj, Error **errp) 893 { 894 return g_strdup(S390_CPU_GET_CLASS(obj)->desc); 895 } 896 897 void s390_cpu_model_class_register_props(ObjectClass *oc) 898 { 899 S390FeatGroup group; 900 S390Feat feat; 901 902 object_class_property_add_bool(oc, "migration-safe", get_is_migration_safe, 903 NULL); 904 object_class_property_add_bool(oc, "static", get_is_static, 905 NULL); 906 object_class_property_add_str(oc, "description", get_description, NULL); 907 908 for (feat = 0; feat < S390_FEAT_MAX; feat++) { 909 const S390FeatDef *def = s390_feat_def(feat); 910 object_class_property_add(oc, def->name, "bool", get_feature, 911 set_feature, NULL, (void *) feat); 912 object_class_property_set_description(oc, def->name, def->desc); 913 } 914 for (group = 0; group < S390_FEAT_GROUP_MAX; group++) { 915 const S390FeatGroupDef *def = s390_feat_group_def(group); 916 object_class_property_add(oc, def->name, "bool", get_feature_group, 917 set_feature_group, NULL, (void *) group); 918 object_class_property_set_description(oc, def->name, def->desc); 919 } 920 } 921 922 #ifdef CONFIG_KVM 923 static void s390_host_cpu_model_class_init(ObjectClass *oc, void *data) 924 { 925 S390CPUClass *xcc = S390_CPU_CLASS(oc); 926 927 xcc->kvm_required = true; 928 xcc->desc = "KVM only: All recognized features"; 929 } 930 #endif 931 932 static void s390_base_cpu_model_class_init(ObjectClass *oc, void *data) 933 { 934 S390CPUClass *xcc = S390_CPU_CLASS(oc); 935 936 /* all base models are migration safe */ 937 xcc->cpu_def = (const S390CPUDef *) data; 938 xcc->is_migration_safe = true; 939 xcc->is_static = true; 940 xcc->desc = xcc->cpu_def->desc; 941 } 942 943 static void s390_cpu_model_class_init(ObjectClass *oc, void *data) 944 { 945 S390CPUClass *xcc = S390_CPU_CLASS(oc); 946 947 /* model that can change between QEMU versions */ 948 xcc->cpu_def = (const S390CPUDef *) data; 949 xcc->is_migration_safe = true; 950 xcc->desc = xcc->cpu_def->desc; 951 } 952 953 static void s390_qemu_cpu_model_class_init(ObjectClass *oc, void *data) 954 { 955 S390CPUClass *xcc = S390_CPU_CLASS(oc); 956 957 xcc->is_migration_safe = true; 958 xcc->desc = g_strdup_printf("QEMU Virtual CPU version %s", 959 qemu_hw_version()); 960 } 961 962 static void s390_max_cpu_model_class_init(ObjectClass *oc, void *data) 963 { 964 S390CPUClass *xcc = S390_CPU_CLASS(oc); 965 966 /* 967 * The "max" model is neither static nor migration safe. Under KVM 968 * it represents the "host" model. Under TCG it represents the "qemu" CPU 969 * model of the latest QEMU machine. 970 */ 971 xcc->desc = 972 "Enables all features supported by the accelerator in the current host"; 973 } 974 975 /* Generate type name for a cpu model. Caller has to free the string. */ 976 static char *s390_cpu_type_name(const char *model_name) 977 { 978 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name); 979 } 980 981 /* Generate type name for a base cpu model. Caller has to free the string. */ 982 static char *s390_base_cpu_type_name(const char *model_name) 983 { 984 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name); 985 } 986 987 ObjectClass *s390_cpu_class_by_name(const char *name) 988 { 989 char *typename = s390_cpu_type_name(name); 990 ObjectClass *oc; 991 992 oc = object_class_by_name(typename); 993 g_free(typename); 994 return oc; 995 } 996 997 static const TypeInfo qemu_s390_cpu_type_info = { 998 .name = S390_CPU_TYPE_NAME("qemu"), 999 .parent = TYPE_S390_CPU, 1000 .instance_init = s390_qemu_cpu_model_initfn, 1001 .instance_finalize = s390_cpu_model_finalize, 1002 .class_init = s390_qemu_cpu_model_class_init, 1003 }; 1004 1005 static const TypeInfo max_s390_cpu_type_info = { 1006 .name = S390_CPU_TYPE_NAME("max"), 1007 .parent = TYPE_S390_CPU, 1008 .instance_init = s390_max_cpu_model_initfn, 1009 .instance_finalize = s390_cpu_model_finalize, 1010 .class_init = s390_max_cpu_model_class_init, 1011 }; 1012 1013 #ifdef CONFIG_KVM 1014 static const TypeInfo host_s390_cpu_type_info = { 1015 .name = S390_CPU_TYPE_NAME("host"), 1016 .parent = S390_CPU_TYPE_NAME("max"), 1017 .class_init = s390_host_cpu_model_class_init, 1018 }; 1019 #endif 1020 1021 static void init_ignored_base_feat(void) 1022 { 1023 static const int feats[] = { 1024 /* MSA subfunctions that could not be available on certain machines */ 1025 S390_FEAT_KMAC_DEA, 1026 S390_FEAT_KMAC_TDEA_128, 1027 S390_FEAT_KMAC_TDEA_192, 1028 S390_FEAT_KMC_DEA, 1029 S390_FEAT_KMC_TDEA_128, 1030 S390_FEAT_KMC_TDEA_192, 1031 S390_FEAT_KM_DEA, 1032 S390_FEAT_KM_TDEA_128, 1033 S390_FEAT_KM_TDEA_192, 1034 S390_FEAT_KIMD_SHA_1, 1035 S390_FEAT_KLMD_SHA_1, 1036 /* CSSKE is deprecated on newer generations */ 1037 S390_FEAT_CONDITIONAL_SSKE, 1038 }; 1039 int i; 1040 1041 for (i = 0; i < ARRAY_SIZE(feats); i++) { 1042 set_bit(feats[i], ignored_base_feat); 1043 } 1044 } 1045 1046 static void register_types(void) 1047 { 1048 static const S390FeatInit qemu_max_init = { S390_FEAT_LIST_QEMU_MAX }; 1049 int i; 1050 1051 init_ignored_base_feat(); 1052 1053 /* init all bitmaps from generated data initially */ 1054 s390_init_feat_bitmap(qemu_max_init, qemu_max_cpu_feat); 1055 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 1056 s390_init_feat_bitmap(s390_cpu_defs[i].base_init, 1057 s390_cpu_defs[i].base_feat); 1058 s390_init_feat_bitmap(s390_cpu_defs[i].default_init, 1059 s390_cpu_defs[i].default_feat); 1060 s390_init_feat_bitmap(s390_cpu_defs[i].full_init, 1061 s390_cpu_defs[i].full_feat); 1062 } 1063 1064 /* initialize the qemu model with the maximum definition ("max" model) */ 1065 s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN, 1066 QEMU_MAX_CPU_EC_GA, qemu_max_init); 1067 1068 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) { 1069 char *base_name = s390_base_cpu_type_name(s390_cpu_defs[i].name); 1070 TypeInfo ti_base = { 1071 .name = base_name, 1072 .parent = TYPE_S390_CPU, 1073 .instance_init = s390_cpu_model_initfn, 1074 .instance_finalize = s390_cpu_model_finalize, 1075 .class_init = s390_base_cpu_model_class_init, 1076 .class_data = (void *) &s390_cpu_defs[i], 1077 }; 1078 char *name = s390_cpu_type_name(s390_cpu_defs[i].name); 1079 TypeInfo ti = { 1080 .name = name, 1081 .parent = TYPE_S390_CPU, 1082 .instance_init = s390_cpu_model_initfn, 1083 .instance_finalize = s390_cpu_model_finalize, 1084 .class_init = s390_cpu_model_class_init, 1085 .class_data = (void *) &s390_cpu_defs[i], 1086 }; 1087 1088 type_register_static(&ti_base); 1089 type_register_static(&ti); 1090 g_free(base_name); 1091 g_free(name); 1092 } 1093 1094 type_register_static(&qemu_s390_cpu_type_info); 1095 type_register_static(&max_s390_cpu_type_info); 1096 #ifdef CONFIG_KVM 1097 type_register_static(&host_s390_cpu_type_info); 1098 #endif 1099 } 1100 1101 type_init(register_types) 1102