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13#include "qemu/osdep.h"
14#include "cpu.h"
15#include "internal.h"
16#include "kvm_s390x.h"
17#include "sysemu/kvm.h"
18#include "sysemu/tcg.h"
19#include "qapi/error.h"
20#include "qapi/visitor.h"
21#include "qemu/error-report.h"
22#include "qemu/module.h"
23#include "qemu/qemu-print.h"
24#include "qapi/qmp/qerror.h"
25#include "qapi/qobject-input-visitor.h"
26#include "qapi/qmp/qdict.h"
27#ifndef CONFIG_USER_ONLY
28#include "sysemu/arch_init.h"
29#include "hw/pci/pci.h"
30#endif
31#include "qapi/qapi-commands-machine-target.h"
32
33#define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
34 { \
35 .name = _name, \
36 .type = _type, \
37 .gen = _gen, \
38 .ec_ga = _ec_ga, \
39 .mha_pow = _mha_pow, \
40 .hmfai = _hmfai, \
41 .desc = _desc, \
42 .base_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _BASE }, \
43 .default_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _DEFAULT }, \
44 .full_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _FULL }, \
45 }
46
47
48
49
50
51
52static S390CPUDef s390_cpu_defs[] = {
53 CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U, "z900", "IBM zSeries 900 GA1"),
54 CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U, "z900.2", "IBM zSeries 900 GA2"),
55 CPUDEF_INIT(0x2064, 7, 3, 38, 0x00000000U, "z900.3", "IBM zSeries 900 GA3"),
56 CPUDEF_INIT(0x2066, 7, 3, 38, 0x00000000U, "z800", "IBM zSeries 800 GA1"),
57 CPUDEF_INIT(0x2084, 8, 1, 38, 0x00000000U, "z990", "IBM zSeries 990 GA1"),
58 CPUDEF_INIT(0x2084, 8, 2, 38, 0x00000000U, "z990.2", "IBM zSeries 990 GA2"),
59 CPUDEF_INIT(0x2084, 8, 3, 38, 0x00000000U, "z990.3", "IBM zSeries 990 GA3"),
60 CPUDEF_INIT(0x2086, 8, 3, 38, 0x00000000U, "z890", "IBM zSeries 880 GA1"),
61 CPUDEF_INIT(0x2084, 8, 4, 38, 0x00000000U, "z990.4", "IBM zSeries 990 GA4"),
62 CPUDEF_INIT(0x2086, 8, 4, 38, 0x00000000U, "z890.2", "IBM zSeries 880 GA2"),
63 CPUDEF_INIT(0x2084, 8, 5, 38, 0x00000000U, "z990.5", "IBM zSeries 990 GA5"),
64 CPUDEF_INIT(0x2086, 8, 5, 38, 0x00000000U, "z890.3", "IBM zSeries 880 GA3"),
65 CPUDEF_INIT(0x2094, 9, 1, 40, 0x00000000U, "z9EC", "IBM System z9 EC GA1"),
66 CPUDEF_INIT(0x2094, 9, 2, 40, 0x00000000U, "z9EC.2", "IBM System z9 EC GA2"),
67 CPUDEF_INIT(0x2096, 9, 2, 40, 0x00000000U, "z9BC", "IBM System z9 BC GA1"),
68 CPUDEF_INIT(0x2094, 9, 3, 40, 0x00000000U, "z9EC.3", "IBM System z9 EC GA3"),
69 CPUDEF_INIT(0x2096, 9, 3, 40, 0x00000000U, "z9BC.2", "IBM System z9 BC GA2"),
70 CPUDEF_INIT(0x2097, 10, 1, 43, 0x00000000U, "z10EC", "IBM System z10 EC GA1"),
71 CPUDEF_INIT(0x2097, 10, 2, 43, 0x00000000U, "z10EC.2", "IBM System z10 EC GA2"),
72 CPUDEF_INIT(0x2098, 10, 2, 43, 0x00000000U, "z10BC", "IBM System z10 BC GA1"),
73 CPUDEF_INIT(0x2097, 10, 3, 43, 0x00000000U, "z10EC.3", "IBM System z10 EC GA3"),
74 CPUDEF_INIT(0x2098, 10, 3, 43, 0x00000000U, "z10BC.2", "IBM System z10 BC GA2"),
75 CPUDEF_INIT(0x2817, 11, 1, 44, 0x08000000U, "z196", "IBM zEnterprise 196 GA1"),
76 CPUDEF_INIT(0x2817, 11, 2, 44, 0x08000000U, "z196.2", "IBM zEnterprise 196 GA2"),
77 CPUDEF_INIT(0x2818, 11, 2, 44, 0x08000000U, "z114", "IBM zEnterprise 114 GA1"),
78 CPUDEF_INIT(0x2827, 12, 1, 44, 0x08000000U, "zEC12", "IBM zEnterprise EC12 GA1"),
79 CPUDEF_INIT(0x2827, 12, 2, 44, 0x08000000U, "zEC12.2", "IBM zEnterprise EC12 GA2"),
80 CPUDEF_INIT(0x2828, 12, 2, 44, 0x08000000U, "zBC12", "IBM zEnterprise BC12 GA1"),
81 CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U, "z13", "IBM z13 GA1"),
82 CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U, "z13.2", "IBM z13 GA2"),
83 CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U, "z13s", "IBM z13s GA1"),
84 CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U, "z14", "IBM z14 GA1"),
85 CPUDEF_INIT(0x3906, 14, 2, 47, 0x08000000U, "z14.2", "IBM z14 GA2"),
86 CPUDEF_INIT(0x3907, 14, 1, 47, 0x08000000U, "z14ZR1", "IBM z14 Model ZR1 GA1"),
87 CPUDEF_INIT(0x8561, 15, 1, 47, 0x08000000U, "gen15a", "IBM z15 GA1"),
88 CPUDEF_INIT(0x8562, 15, 1, 47, 0x08000000U, "gen15b", "IBM 8562 GA1"),
89};
90
91#define QEMU_MAX_CPU_TYPE 0x2964
92#define QEMU_MAX_CPU_GEN 13
93#define QEMU_MAX_CPU_EC_GA 2
94static const S390FeatInit qemu_max_cpu_feat_init = { S390_FEAT_LIST_QEMU_MAX };
95static S390FeatBitmap qemu_max_cpu_feat;
96
97
98S390FeatBitmap ignored_base_feat;
99
100void s390_cpudef_featoff(uint8_t gen, uint8_t ec_ga, S390Feat feat)
101{
102 const S390CPUDef *def;
103
104 def = s390_find_cpu_def(0, gen, ec_ga, NULL);
105 clear_bit(feat, (unsigned long *)&def->default_feat);
106}
107
108void s390_cpudef_featoff_greater(uint8_t gen, uint8_t ec_ga, S390Feat feat)
109{
110 int i;
111
112 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
113 const S390CPUDef *def = &s390_cpu_defs[i];
114
115 if (def->gen < gen) {
116 continue;
117 }
118 if (def->gen == gen && def->ec_ga < ec_ga) {
119 continue;
120 }
121
122 clear_bit(feat, (unsigned long *)&def->default_feat);
123 }
124}
125
126void s390_cpudef_group_featoff_greater(uint8_t gen, uint8_t ec_ga,
127 S390FeatGroup group)
128{
129 const S390FeatGroupDef *group_def = s390_feat_group_def(group);
130 S390FeatBitmap group_def_off;
131 int i;
132
133 bitmap_complement(group_def_off, group_def->feat, S390_FEAT_MAX);
134
135 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
136 const S390CPUDef *cpu_def = &s390_cpu_defs[i];
137
138 if (cpu_def->gen < gen) {
139 continue;
140 }
141 if (cpu_def->gen == gen && cpu_def->ec_ga < ec_ga) {
142 continue;
143 }
144
145 bitmap_and((unsigned long *)&cpu_def->default_feat,
146 cpu_def->default_feat, group_def_off, S390_FEAT_MAX);
147 }
148}
149
150uint32_t s390_get_hmfai(void)
151{
152 static S390CPU *cpu;
153
154 if (!cpu) {
155 cpu = S390_CPU(qemu_get_cpu(0));
156 }
157
158 if (!cpu || !cpu->model) {
159 return 0;
160 }
161 return cpu->model->def->hmfai;
162}
163
164uint8_t s390_get_mha_pow(void)
165{
166 static S390CPU *cpu;
167
168 if (!cpu) {
169 cpu = S390_CPU(qemu_get_cpu(0));
170 }
171
172 if (!cpu || !cpu->model) {
173 return 0;
174 }
175 return cpu->model->def->mha_pow;
176}
177
178uint32_t s390_get_ibc_val(void)
179{
180 uint16_t unblocked_ibc, lowest_ibc;
181 static S390CPU *cpu;
182
183 if (!cpu) {
184 cpu = S390_CPU(qemu_get_cpu(0));
185 }
186
187 if (!cpu || !cpu->model) {
188 return 0;
189 }
190 unblocked_ibc = s390_ibc_from_cpu_model(cpu->model);
191 lowest_ibc = cpu->model->lowest_ibc;
192
193 if (!lowest_ibc || lowest_ibc > unblocked_ibc) {
194 return 0;
195 }
196 return ((uint32_t) lowest_ibc << 16) | unblocked_ibc;
197}
198
199void s390_get_feat_block(S390FeatType type, uint8_t *data)
200{
201 static S390CPU *cpu;
202
203 if (!cpu) {
204 cpu = S390_CPU(qemu_get_cpu(0));
205 }
206
207 if (!cpu || !cpu->model) {
208 return;
209 }
210 s390_fill_feat_block(cpu->model->features, type, data);
211}
212
213bool s390_has_feat(S390Feat feat)
214{
215 static S390CPU *cpu;
216
217 if (!cpu) {
218 cpu = S390_CPU(qemu_get_cpu(0));
219 }
220
221 if (!cpu || !cpu->model) {
222#ifdef CONFIG_KVM
223 if (kvm_enabled()) {
224 if (feat == S390_FEAT_VECTOR) {
225 return kvm_check_extension(kvm_state,
226 KVM_CAP_S390_VECTOR_REGISTERS);
227 }
228 if (feat == S390_FEAT_RUNTIME_INSTRUMENTATION) {
229 return kvm_s390_get_ri();
230 }
231 if (feat == S390_FEAT_MSA_EXT_3) {
232 return true;
233 }
234 }
235#endif
236 if (feat == S390_FEAT_ZPCI) {
237 return true;
238 }
239 return 0;
240 }
241 return test_bit(feat, cpu->model->features);
242}
243
244uint8_t s390_get_gen_for_cpu_type(uint16_t type)
245{
246 int i;
247
248 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
249 if (s390_cpu_defs[i].type == type) {
250 return s390_cpu_defs[i].gen;
251 }
252 }
253 return 0;
254}
255
256const S390CPUDef *s390_find_cpu_def(uint16_t type, uint8_t gen, uint8_t ec_ga,
257 S390FeatBitmap features)
258{
259 const S390CPUDef *last_compatible = NULL;
260 const S390CPUDef *matching_cpu_type = NULL;
261 int i;
262
263 if (!gen) {
264 ec_ga = 0;
265 }
266 if (!gen && type) {
267 gen = s390_get_gen_for_cpu_type(type);
268 }
269
270 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
271 const S390CPUDef *def = &s390_cpu_defs[i];
272 S390FeatBitmap missing;
273
274
275 if (gen) {
276 if (def->gen > gen) {
277 break;
278 } else if (def->gen == gen && ec_ga && def->ec_ga > ec_ga) {
279 break;
280 }
281 }
282
283 if (features) {
284
285 bitmap_andnot(missing, def->base_feat, features, S390_FEAT_MAX);
286
287
288
289
290 bitmap_andnot(missing, missing, ignored_base_feat, S390_FEAT_MAX);
291 if (!bitmap_empty(missing, S390_FEAT_MAX)) {
292 break;
293 }
294 }
295
296
297 if (def->type == type && def->ec_ga == ec_ga) {
298 return def;
299 }
300
301 if (def->type == type) {
302 matching_cpu_type = def;
303 }
304 last_compatible = def;
305 }
306
307 if (matching_cpu_type) {
308 return matching_cpu_type;
309 }
310 return last_compatible;
311}
312
313static void s390_print_cpu_model_list_entry(gpointer data, gpointer user_data)
314{
315 const S390CPUClass *scc = S390_CPU_CLASS((ObjectClass *)data);
316 char *name = g_strdup(object_class_get_name((ObjectClass *)data));
317 const char *details = "";
318
319 if (scc->is_static) {
320 details = "(static, migration-safe)";
321 } else if (scc->is_migration_safe) {
322 details = "(migration-safe)";
323 }
324
325
326 g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0;
327 qemu_printf("s390 %-15s %-35s %s\n", name, scc->desc, details);
328 g_free(name);
329}
330
331static gint s390_cpu_list_compare(gconstpointer a, gconstpointer b)
332{
333 const S390CPUClass *cc_a = S390_CPU_CLASS((ObjectClass *)a);
334 const S390CPUClass *cc_b = S390_CPU_CLASS((ObjectClass *)b);
335 const char *name_a = object_class_get_name((ObjectClass *)a);
336 const char *name_b = object_class_get_name((ObjectClass *)b);
337
338
339
340
341
342 if (name_a[0] == 'q') {
343 return -1;
344 } else if (name_b[0] == 'q') {
345 return 1;
346 } else if (name_a[0] == 'h') {
347 return -1;
348 } else if (name_b[0] == 'h') {
349 return 1;
350 } else if (name_a[0] == 'm') {
351 return -1;
352 } else if (name_b[0] == 'm') {
353 return 1;
354 }
355
356
357 if (cc_a->cpu_def != cc_b->cpu_def) {
358 return cc_a->cpu_def - cc_b->cpu_def;
359 }
360
361
362 return cc_a->is_static ? -1 : 1;
363}
364
365void s390_cpu_list(void)
366{
367 S390FeatGroup group;
368 S390Feat feat;
369 GSList *list;
370
371 list = object_class_get_list(TYPE_S390_CPU, false);
372 list = g_slist_sort(list, s390_cpu_list_compare);
373 g_slist_foreach(list, s390_print_cpu_model_list_entry, NULL);
374 g_slist_free(list);
375
376 qemu_printf("\nRecognized feature flags:\n");
377 for (feat = 0; feat < S390_FEAT_MAX; feat++) {
378 const S390FeatDef *def = s390_feat_def(feat);
379
380 qemu_printf("%-20s %-50s\n", def->name, def->desc);
381 }
382
383 qemu_printf("\nRecognized feature groups:\n");
384 for (group = 0; group < S390_FEAT_GROUP_MAX; group++) {
385 const S390FeatGroupDef *def = s390_feat_group_def(group);
386
387 qemu_printf("%-20s %-50s\n", def->name, def->desc);
388 }
389}
390
391static S390CPUModel *get_max_cpu_model(Error **errp);
392
393#ifndef CONFIG_USER_ONLY
394static void list_add_feat(const char *name, void *opaque);
395
396static void check_unavailable_features(const S390CPUModel *max_model,
397 const S390CPUModel *model,
398 strList **unavailable)
399{
400 S390FeatBitmap missing;
401
402
403 if (max_model->def->gen < model->def->gen ||
404 (max_model->def->gen == model->def->gen &&
405 max_model->def->ec_ga < model->def->ec_ga)) {
406 list_add_feat("type", unavailable);
407 }
408
409
410 bitmap_andnot(missing, model->features, max_model->features,
411 S390_FEAT_MAX);
412 if (!bitmap_empty(missing, S390_FEAT_MAX)) {
413 s390_feat_bitmap_to_ascii(missing, unavailable, list_add_feat);
414 }
415}
416
417struct CpuDefinitionInfoListData {
418 CpuDefinitionInfoList *list;
419 S390CPUModel *model;
420};
421
422static void create_cpu_model_list(ObjectClass *klass, void *opaque)
423{
424 struct CpuDefinitionInfoListData *cpu_list_data = opaque;
425 CpuDefinitionInfoList **cpu_list = &cpu_list_data->list;
426 CpuDefinitionInfoList *entry;
427 CpuDefinitionInfo *info;
428 char *name = g_strdup(object_class_get_name(klass));
429 S390CPUClass *scc = S390_CPU_CLASS(klass);
430
431
432 g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0;
433 info = g_new0(CpuDefinitionInfo, 1);
434 info->name = name;
435 info->has_migration_safe = true;
436 info->migration_safe = scc->is_migration_safe;
437 info->q_static = scc->is_static;
438 info->q_typename = g_strdup(object_class_get_name(klass));
439
440 if (cpu_list_data->model) {
441 Object *obj;
442 S390CPU *sc;
443 obj = object_new(object_class_get_name(klass));
444 sc = S390_CPU(obj);
445 if (sc->model) {
446 info->has_unavailable_features = true;
447 check_unavailable_features(cpu_list_data->model, sc->model,
448 &info->unavailable_features);
449 }
450 object_unref(obj);
451 }
452
453 entry = g_new0(CpuDefinitionInfoList, 1);
454 entry->value = info;
455 entry->next = *cpu_list;
456 *cpu_list = entry;
457}
458
459CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp)
460{
461 struct CpuDefinitionInfoListData list_data = {
462 .list = NULL,
463 };
464
465 list_data.model = get_max_cpu_model(errp);
466 if (*errp) {
467 error_free(*errp);
468 *errp = NULL;
469 }
470
471 object_class_foreach(create_cpu_model_list, TYPE_S390_CPU, false,
472 &list_data);
473
474 return list_data.list;
475}
476
477static void cpu_model_from_info(S390CPUModel *model, const CpuModelInfo *info,
478 Error **errp)
479{
480 const QDict *qdict = NULL;
481 const QDictEntry *e;
482 Visitor *visitor;
483 ObjectClass *oc;
484 S390CPU *cpu;
485 Object *obj;
486
487 if (info->props) {
488 qdict = qobject_to(QDict, info->props);
489 if (!qdict) {
490 error_setg(errp, QERR_INVALID_PARAMETER_TYPE, "props", "dict");
491 return;
492 }
493 }
494
495 oc = cpu_class_by_name(TYPE_S390_CPU, info->name);
496 if (!oc) {
497 error_setg(errp, "The CPU definition \'%s\' is unknown.", info->name);
498 return;
499 }
500 if (S390_CPU_CLASS(oc)->kvm_required && !kvm_enabled()) {
501 error_setg(errp, "The CPU definition '%s' requires KVM", info->name);
502 return;
503 }
504 obj = object_new(object_class_get_name(oc));
505 cpu = S390_CPU(obj);
506
507 if (!cpu->model) {
508 error_setg(errp, "Details about the host CPU model are not available, "
509 "it cannot be used.");
510 object_unref(obj);
511 return;
512 }
513
514 if (qdict) {
515 visitor = qobject_input_visitor_new(info->props);
516 visit_start_struct(visitor, NULL, NULL, 0, errp);
517 if (*errp) {
518 visit_free(visitor);
519 object_unref(obj);
520 return;
521 }
522 for (e = qdict_first(qdict); e; e = qdict_next(qdict, e)) {
523 object_property_set(obj, visitor, e->key, errp);
524 if (*errp) {
525 break;
526 }
527 }
528 if (!*errp) {
529 visit_check_struct(visitor, errp);
530 }
531 visit_end_struct(visitor, NULL);
532 visit_free(visitor);
533 if (*errp) {
534 object_unref(obj);
535 return;
536 }
537 }
538
539
540 memcpy(model, cpu->model, sizeof(*model));
541 object_unref(obj);
542}
543
544static void qdict_add_disabled_feat(const char *name, void *opaque)
545{
546 qdict_put_bool(opaque, name, false);
547}
548
549static void qdict_add_enabled_feat(const char *name, void *opaque)
550{
551 qdict_put_bool(opaque, name, true);
552}
553
554
555static void cpu_info_from_model(CpuModelInfo *info, const S390CPUModel *model,
556 bool delta_changes)
557{
558 QDict *qdict = qdict_new();
559 S390FeatBitmap bitmap;
560
561
562 info->name = g_strdup_printf("%s-base", model->def->name);
563
564 if (delta_changes) {
565
566 bitmap_andnot(bitmap, model->def->base_feat, model->features,
567 S390_FEAT_MAX);
568 if (!bitmap_empty(bitmap, S390_FEAT_MAX)) {
569 s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_disabled_feat);
570 }
571
572
573 bitmap_andnot(bitmap, model->features, model->def->base_feat,
574 S390_FEAT_MAX);
575 if (!bitmap_empty(bitmap, S390_FEAT_MAX)) {
576 s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_enabled_feat);
577 }
578 } else {
579
580 s390_feat_bitmap_to_ascii(model->features, qdict,
581 qdict_add_enabled_feat);
582 bitmap_complement(bitmap, model->features, S390_FEAT_MAX);
583 s390_feat_bitmap_to_ascii(bitmap, qdict, qdict_add_disabled_feat);
584 }
585
586 if (!qdict_size(qdict)) {
587 qobject_unref(qdict);
588 } else {
589 info->props = QOBJECT(qdict);
590 info->has_props = true;
591 }
592}
593
594CpuModelExpansionInfo *qmp_query_cpu_model_expansion(CpuModelExpansionType type,
595 CpuModelInfo *model,
596 Error **errp)
597{
598 CpuModelExpansionInfo *expansion_info = NULL;
599 S390CPUModel s390_model;
600 bool delta_changes = false;
601
602
603 cpu_model_from_info(&s390_model, model, errp);
604 if (*errp) {
605 return NULL;
606 }
607
608 if (type == CPU_MODEL_EXPANSION_TYPE_STATIC) {
609 delta_changes = true;
610 } else if (type != CPU_MODEL_EXPANSION_TYPE_FULL) {
611 error_setg(errp, "The requested expansion type is not supported.");
612 return NULL;
613 }
614
615
616 expansion_info = g_new0(CpuModelExpansionInfo, 1);
617 expansion_info->model = g_malloc0(sizeof(*expansion_info->model));
618 cpu_info_from_model(expansion_info->model, &s390_model, delta_changes);
619 return expansion_info;
620}
621
622static void list_add_feat(const char *name, void *opaque)
623{
624 strList **last = (strList **) opaque;
625 strList *entry;
626
627 entry = g_new0(strList, 1);
628 entry->value = g_strdup(name);
629 entry->next = *last;
630 *last = entry;
631}
632
633CpuModelCompareInfo *qmp_query_cpu_model_comparison(CpuModelInfo *infoa,
634 CpuModelInfo *infob,
635 Error **errp)
636{
637 CpuModelCompareResult feat_result, gen_result;
638 CpuModelCompareInfo *compare_info;
639 S390FeatBitmap missing, added;
640 S390CPUModel modela, modelb;
641
642
643 cpu_model_from_info(&modela, infoa, errp);
644 if (*errp) {
645 return NULL;
646 }
647 cpu_model_from_info(&modelb, infob, errp);
648 if (*errp) {
649 return NULL;
650 }
651 compare_info = g_new0(CpuModelCompareInfo, 1);
652
653
654 if (modela.def->gen == modelb.def->gen) {
655 if (modela.def->ec_ga == modelb.def->ec_ga) {
656
657 gen_result = CPU_MODEL_COMPARE_RESULT_IDENTICAL;
658 } else if (modela.def->ec_ga < modelb.def->ec_ga) {
659 gen_result = CPU_MODEL_COMPARE_RESULT_SUBSET;
660 } else {
661 gen_result = CPU_MODEL_COMPARE_RESULT_SUPERSET;
662 }
663 } else if (modela.def->gen < modelb.def->gen) {
664 gen_result = CPU_MODEL_COMPARE_RESULT_SUBSET;
665 } else {
666 gen_result = CPU_MODEL_COMPARE_RESULT_SUPERSET;
667 }
668 if (gen_result != CPU_MODEL_COMPARE_RESULT_IDENTICAL) {
669
670 list_add_feat("type", &compare_info->responsible_properties);
671 }
672
673
674 if (bitmap_equal(modela.features, modelb.features, S390_FEAT_MAX)) {
675 feat_result = CPU_MODEL_COMPARE_RESULT_IDENTICAL;
676 } else {
677 bitmap_andnot(missing, modela.features, modelb.features, S390_FEAT_MAX);
678 s390_feat_bitmap_to_ascii(missing,
679 &compare_info->responsible_properties,
680 list_add_feat);
681 bitmap_andnot(added, modelb.features, modela.features, S390_FEAT_MAX);
682 s390_feat_bitmap_to_ascii(added, &compare_info->responsible_properties,
683 list_add_feat);
684 if (bitmap_empty(missing, S390_FEAT_MAX)) {
685 feat_result = CPU_MODEL_COMPARE_RESULT_SUBSET;
686 } else if (bitmap_empty(added, S390_FEAT_MAX)) {
687 feat_result = CPU_MODEL_COMPARE_RESULT_SUPERSET;
688 } else {
689 feat_result = CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE;
690 }
691 }
692
693
694 if (gen_result == feat_result) {
695 compare_info->result = gen_result;
696 } else if (feat_result == CPU_MODEL_COMPARE_RESULT_IDENTICAL) {
697 compare_info->result = gen_result;
698 } else if (gen_result == CPU_MODEL_COMPARE_RESULT_IDENTICAL) {
699 compare_info->result = feat_result;
700 } else {
701 compare_info->result = CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE;
702 }
703 return compare_info;
704}
705
706CpuModelBaselineInfo *qmp_query_cpu_model_baseline(CpuModelInfo *infoa,
707 CpuModelInfo *infob,
708 Error **errp)
709{
710 CpuModelBaselineInfo *baseline_info;
711 S390CPUModel modela, modelb, model;
712 uint16_t cpu_type;
713 uint8_t max_gen_ga;
714 uint8_t max_gen;
715
716
717 cpu_model_from_info(&modela, infoa, errp);
718 if (*errp) {
719 return NULL;
720 }
721
722 cpu_model_from_info(&modelb, infob, errp);
723 if (*errp) {
724 return NULL;
725 }
726
727
728 bitmap_and(model.features, modela.features, modelb.features, S390_FEAT_MAX);
729
730
731 if (modela.def->gen == modelb.def->gen) {
732 if (modela.def->type == modelb.def->type) {
733 cpu_type = modela.def->type;
734 } else {
735 cpu_type = 0;
736 }
737 max_gen = modela.def->gen;
738 max_gen_ga = MIN(modela.def->ec_ga, modelb.def->ec_ga);
739 } else if (modela.def->gen > modelb.def->gen) {
740 cpu_type = modelb.def->type;
741 max_gen = modelb.def->gen;
742 max_gen_ga = modelb.def->ec_ga;
743 } else {
744 cpu_type = modela.def->type;
745 max_gen = modela.def->gen;
746 max_gen_ga = modela.def->ec_ga;
747 }
748
749 model.def = s390_find_cpu_def(cpu_type, max_gen, max_gen_ga,
750 model.features);
751
752
753 if (!model.def) {
754 error_setg(errp, "No compatible CPU model could be created as"
755 " important base features are disabled");
756 return NULL;
757 }
758
759
760 bitmap_and(model.features, model.features, model.def->full_feat,
761 S390_FEAT_MAX);
762
763 baseline_info = g_new0(CpuModelBaselineInfo, 1);
764 baseline_info->model = g_malloc0(sizeof(*baseline_info->model));
765 cpu_info_from_model(baseline_info->model, &model, true);
766 return baseline_info;
767}
768#endif
769
770static void check_consistency(const S390CPUModel *model)
771{
772 static int dep[][2] = {
773 { S390_FEAT_IPTE_RANGE, S390_FEAT_DAT_ENH },
774 { S390_FEAT_IDTE_SEGMENT, S390_FEAT_DAT_ENH },
775 { S390_FEAT_IDTE_REGION, S390_FEAT_DAT_ENH },
776 { S390_FEAT_IDTE_REGION, S390_FEAT_IDTE_SEGMENT },
777 { S390_FEAT_LOCAL_TLB_CLEARING, S390_FEAT_DAT_ENH},
778 { S390_FEAT_LONG_DISPLACEMENT_FAST, S390_FEAT_LONG_DISPLACEMENT },
779 { S390_FEAT_DFP_FAST, S390_FEAT_DFP },
780 { S390_FEAT_TRANSACTIONAL_EXE, S390_FEAT_STFLE_49 },
781 { S390_FEAT_EDAT_2, S390_FEAT_EDAT},
782 { S390_FEAT_MSA_EXT_5, S390_FEAT_KIMD_SHA_512 },
783 { S390_FEAT_MSA_EXT_5, S390_FEAT_KLMD_SHA_512 },
784 { S390_FEAT_MSA_EXT_4, S390_FEAT_MSA_EXT_3 },
785 { S390_FEAT_SIE_CMMA, S390_FEAT_CMM },
786 { S390_FEAT_SIE_CMMA, S390_FEAT_SIE_GSLS },
787 { S390_FEAT_SIE_PFMFI, S390_FEAT_EDAT },
788 { S390_FEAT_MSA_EXT_8, S390_FEAT_MSA_EXT_3 },
789 { S390_FEAT_MSA_EXT_9, S390_FEAT_MSA_EXT_3 },
790 { S390_FEAT_MSA_EXT_9, S390_FEAT_MSA_EXT_4 },
791 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
792 { S390_FEAT_VECTOR_PACKED_DECIMAL, S390_FEAT_VECTOR },
793 { S390_FEAT_VECTOR_ENH, S390_FEAT_VECTOR },
794 { S390_FEAT_INSTRUCTION_EXEC_PROT, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
795 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2, S390_FEAT_ESOP },
796 { S390_FEAT_CMM_NT, S390_FEAT_CMM },
797 { S390_FEAT_GUARDED_STORAGE, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2 },
798 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_STORE_CLOCK_FAST },
799 { S390_FEAT_MULTIPLE_EPOCH, S390_FEAT_TOD_CLOCK_STEERING },
800 { S390_FEAT_SEMAPHORE_ASSIST, S390_FEAT_STFLE_49 },
801 { S390_FEAT_KIMD_SHA3_224, S390_FEAT_MSA },
802 { S390_FEAT_KIMD_SHA3_256, S390_FEAT_MSA },
803 { S390_FEAT_KIMD_SHA3_384, S390_FEAT_MSA },
804 { S390_FEAT_KIMD_SHA3_512, S390_FEAT_MSA },
805 { S390_FEAT_KIMD_SHAKE_128, S390_FEAT_MSA },
806 { S390_FEAT_KIMD_SHAKE_256, S390_FEAT_MSA },
807 { S390_FEAT_KLMD_SHA3_224, S390_FEAT_MSA },
808 { S390_FEAT_KLMD_SHA3_256, S390_FEAT_MSA },
809 { S390_FEAT_KLMD_SHA3_384, S390_FEAT_MSA },
810 { S390_FEAT_KLMD_SHA3_512, S390_FEAT_MSA },
811 { S390_FEAT_KLMD_SHAKE_128, S390_FEAT_MSA },
812 { S390_FEAT_KLMD_SHAKE_256, S390_FEAT_MSA },
813 { S390_FEAT_PRNO_TRNG_QRTCR, S390_FEAT_MSA_EXT_5 },
814 { S390_FEAT_PRNO_TRNG, S390_FEAT_MSA_EXT_5 },
815 { S390_FEAT_SIE_KSS, S390_FEAT_SIE_F2 },
816 { S390_FEAT_AP_QUERY_CONFIG_INFO, S390_FEAT_AP },
817 { S390_FEAT_AP_FACILITIES_TEST, S390_FEAT_AP },
818 { S390_FEAT_PTFF_QSIE, S390_FEAT_MULTIPLE_EPOCH },
819 { S390_FEAT_PTFF_QTOUE, S390_FEAT_MULTIPLE_EPOCH },
820 { S390_FEAT_PTFF_STOE, S390_FEAT_MULTIPLE_EPOCH },
821 { S390_FEAT_PTFF_STOUE, S390_FEAT_MULTIPLE_EPOCH },
822 { S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL, S390_FEAT_AP },
823 };
824 int i;
825
826 for (i = 0; i < ARRAY_SIZE(dep); i++) {
827 if (test_bit(dep[i][0], model->features) &&
828 !test_bit(dep[i][1], model->features)) {
829 warn_report("\'%s\' requires \'%s\'.",
830 s390_feat_def(dep[i][0])->name,
831 s390_feat_def(dep[i][1])->name);
832 }
833 }
834}
835
836static void error_prepend_missing_feat(const char *name, void *opaque)
837{
838 error_prepend((Error **) opaque, "%s ", name);
839}
840
841static void check_compatibility(const S390CPUModel *max_model,
842 const S390CPUModel *model, Error **errp)
843{
844 S390FeatBitmap missing;
845
846 if (model->def->gen > max_model->def->gen) {
847 error_setg(errp, "Selected CPU generation is too new. Maximum "
848 "supported model in the configuration: \'%s\'",
849 max_model->def->name);
850 return;
851 } else if (model->def->gen == max_model->def->gen &&
852 model->def->ec_ga > max_model->def->ec_ga) {
853 error_setg(errp, "Selected CPU GA level is too new. Maximum "
854 "supported model in the configuration: \'%s\'",
855 max_model->def->name);
856 return;
857 }
858
859
860 bitmap_andnot(missing, model->features, max_model->features, S390_FEAT_MAX);
861 if (bitmap_empty(missing, S390_FEAT_MAX)) {
862 return;
863 }
864
865 error_setg(errp, " ");
866 s390_feat_bitmap_to_ascii(missing, errp, error_prepend_missing_feat);
867 error_prepend(errp, "Some features requested in the CPU model are not "
868 "available in the configuration: ");
869}
870
871static S390CPUModel *get_max_cpu_model(Error **errp)
872{
873 static S390CPUModel max_model;
874 static bool cached;
875
876 if (cached) {
877 return &max_model;
878 }
879
880 if (kvm_enabled()) {
881 kvm_s390_get_host_cpu_model(&max_model, errp);
882 } else {
883 max_model.def = s390_find_cpu_def(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN,
884 QEMU_MAX_CPU_EC_GA, NULL);
885 bitmap_copy(max_model.features, qemu_max_cpu_feat, S390_FEAT_MAX);
886 }
887 if (!*errp) {
888 cached = true;
889 return &max_model;
890 }
891 return NULL;
892}
893
894static inline void apply_cpu_model(const S390CPUModel *model, Error **errp)
895{
896#ifndef CONFIG_USER_ONLY
897 static S390CPUModel applied_model;
898 static bool applied;
899
900
901
902
903
904 if (applied) {
905 if (model && memcmp(&applied_model, model, sizeof(S390CPUModel))) {
906 error_setg(errp, "Mixed CPU models are not supported on s390x.");
907 }
908 return;
909 }
910
911 if (kvm_enabled()) {
912 kvm_s390_apply_cpu_model(model, errp);
913 }
914
915 if (!*errp) {
916 applied = true;
917 if (model) {
918 applied_model = *model;
919 }
920 }
921#endif
922}
923
924void s390_realize_cpu_model(CPUState *cs, Error **errp)
925{
926 S390CPUClass *xcc = S390_CPU_GET_CLASS(cs);
927 S390CPU *cpu = S390_CPU(cs);
928 const S390CPUModel *max_model;
929
930 if (xcc->kvm_required && !kvm_enabled()) {
931 error_setg(errp, "CPU definition requires KVM");
932 return;
933 }
934
935 if (!cpu->model) {
936
937 apply_cpu_model(NULL, errp);
938 return;
939 }
940
941 max_model = get_max_cpu_model(errp);
942 if (*errp) {
943 error_prepend(errp, "CPU models are not available: ");
944 return;
945 }
946
947
948 cpu->model->lowest_ibc = max_model->lowest_ibc;
949 cpu->model->cpu_id = max_model->cpu_id;
950 cpu->model->cpu_id_format = max_model->cpu_id_format;
951 cpu->model->cpu_ver = max_model->cpu_ver;
952
953 check_consistency(cpu->model);
954 check_compatibility(max_model, cpu->model, errp);
955 if (*errp) {
956 return;
957 }
958
959 apply_cpu_model(cpu->model, errp);
960
961#if !defined(CONFIG_USER_ONLY)
962 cpu->env.cpuid = s390_cpuid_from_cpu_model(cpu->model);
963 if (tcg_enabled()) {
964
965 cpu->env.cpuid = deposit64(cpu->env.cpuid, 54, 4, cpu->env.core_id);
966 }
967#endif
968}
969
970static void get_feature(Object *obj, Visitor *v, const char *name,
971 void *opaque, Error **errp)
972{
973 S390Feat feat = (S390Feat) opaque;
974 S390CPU *cpu = S390_CPU(obj);
975 bool value;
976
977 if (!cpu->model) {
978 error_setg(errp, "Details about the host CPU model are not available, "
979 "features cannot be queried.");
980 return;
981 }
982
983 value = test_bit(feat, cpu->model->features);
984 visit_type_bool(v, name, &value, errp);
985}
986
987static void set_feature(Object *obj, Visitor *v, const char *name,
988 void *opaque, Error **errp)
989{
990 S390Feat feat = (S390Feat) opaque;
991 DeviceState *dev = DEVICE(obj);
992 S390CPU *cpu = S390_CPU(obj);
993 bool value;
994
995 if (dev->realized) {
996 error_setg(errp, "Attempt to set property '%s' on '%s' after "
997 "it was realized", name, object_get_typename(obj));
998 return;
999 } else if (!cpu->model) {
1000 error_setg(errp, "Details about the host CPU model are not available, "
1001 "features cannot be changed.");
1002 return;
1003 }
1004
1005 visit_type_bool(v, name, &value, errp);
1006 if (*errp) {
1007 return;
1008 }
1009 if (value) {
1010 if (!test_bit(feat, cpu->model->def->full_feat)) {
1011 error_setg(errp, "Feature '%s' is not available for CPU model '%s',"
1012 " it was introduced with later models.",
1013 name, cpu->model->def->name);
1014 return;
1015 }
1016 set_bit(feat, cpu->model->features);
1017 } else {
1018 clear_bit(feat, cpu->model->features);
1019 }
1020}
1021
1022static void get_feature_group(Object *obj, Visitor *v, const char *name,
1023 void *opaque, Error **errp)
1024{
1025 S390FeatGroup group = (S390FeatGroup) opaque;
1026 const S390FeatGroupDef *def = s390_feat_group_def(group);
1027 S390CPU *cpu = S390_CPU(obj);
1028 S390FeatBitmap tmp;
1029 bool value;
1030
1031 if (!cpu->model) {
1032 error_setg(errp, "Details about the host CPU model are not available, "
1033 "features cannot be queried.");
1034 return;
1035 }
1036
1037
1038 bitmap_and(tmp, cpu->model->features, def->feat, S390_FEAT_MAX);
1039 value = bitmap_equal(tmp, def->feat, S390_FEAT_MAX);
1040 visit_type_bool(v, name, &value, errp);
1041}
1042
1043static void set_feature_group(Object *obj, Visitor *v, const char *name,
1044 void *opaque, Error **errp)
1045{
1046 S390FeatGroup group = (S390FeatGroup) opaque;
1047 const S390FeatGroupDef *def = s390_feat_group_def(group);
1048 DeviceState *dev = DEVICE(obj);
1049 S390CPU *cpu = S390_CPU(obj);
1050 bool value;
1051
1052 if (dev->realized) {
1053 error_setg(errp, "Attempt to set property '%s' on '%s' after "
1054 "it was realized", name, object_get_typename(obj));
1055 return;
1056 } else if (!cpu->model) {
1057 error_setg(errp, "Details about the host CPU model are not available, "
1058 "features cannot be changed.");
1059 return;
1060 }
1061
1062 visit_type_bool(v, name, &value, errp);
1063 if (*errp) {
1064 return;
1065 }
1066 if (value) {
1067
1068 if (!bitmap_intersects(def->feat, cpu->model->def->full_feat,
1069 S390_FEAT_MAX)) {
1070 error_setg(errp, "Group '%s' is not available for CPU model '%s',"
1071 " it was introduced with later models.",
1072 name, cpu->model->def->name);
1073 return;
1074 }
1075 bitmap_or(cpu->model->features, cpu->model->features, def->feat,
1076 S390_FEAT_MAX);
1077 } else {
1078 bitmap_andnot(cpu->model->features, cpu->model->features, def->feat,
1079 S390_FEAT_MAX);
1080 }
1081}
1082
1083void s390_cpu_model_register_props(Object *obj)
1084{
1085 S390FeatGroup group;
1086 S390Feat feat;
1087
1088 for (feat = 0; feat < S390_FEAT_MAX; feat++) {
1089 const S390FeatDef *def = s390_feat_def(feat);
1090 object_property_add(obj, def->name, "bool", get_feature,
1091 set_feature, NULL, (void *) feat, NULL);
1092 object_property_set_description(obj, def->name, def->desc , NULL);
1093 }
1094 for (group = 0; group < S390_FEAT_GROUP_MAX; group++) {
1095 const S390FeatGroupDef *def = s390_feat_group_def(group);
1096 object_property_add(obj, def->name, "bool", get_feature_group,
1097 set_feature_group, NULL, (void *) group, NULL);
1098 object_property_set_description(obj, def->name, def->desc , NULL);
1099 }
1100}
1101
1102static void s390_cpu_model_initfn(Object *obj)
1103{
1104 S390CPU *cpu = S390_CPU(obj);
1105 S390CPUClass *xcc = S390_CPU_GET_CLASS(cpu);
1106
1107 cpu->model = g_malloc0(sizeof(*cpu->model));
1108
1109 cpu->model->def = xcc->cpu_def;
1110 if (xcc->is_static) {
1111
1112 bitmap_copy(cpu->model->features, cpu->model->def->base_feat,
1113 S390_FEAT_MAX);
1114 } else {
1115
1116 bitmap_copy(cpu->model->features,
1117 cpu->model->def->default_feat, S390_FEAT_MAX);
1118 }
1119}
1120
1121static S390CPUDef s390_qemu_cpu_def;
1122static S390CPUModel s390_qemu_cpu_model;
1123
1124
1125
1126
1127void s390_set_qemu_cpu_model(uint16_t type, uint8_t gen, uint8_t ec_ga,
1128 const S390FeatInit feat_init)
1129{
1130 const S390CPUDef *def = s390_find_cpu_def(type, gen, ec_ga, NULL);
1131
1132 g_assert(def);
1133 g_assert(QTAILQ_EMPTY_RCU(&cpus));
1134
1135
1136
1137
1138
1139
1140 memcpy(&s390_qemu_cpu_def, def, sizeof(s390_qemu_cpu_def));
1141 bitmap_or(s390_qemu_cpu_def.full_feat, s390_qemu_cpu_def.full_feat,
1142 qemu_max_cpu_feat, S390_FEAT_MAX);
1143
1144
1145 s390_qemu_cpu_model.def = &s390_qemu_cpu_def;
1146 bitmap_zero(s390_qemu_cpu_model.features, S390_FEAT_MAX);
1147 s390_init_feat_bitmap(feat_init, s390_qemu_cpu_model.features);
1148}
1149
1150static void s390_qemu_cpu_model_initfn(Object *obj)
1151{
1152 S390CPU *cpu = S390_CPU(obj);
1153
1154 cpu->model = g_malloc0(sizeof(*cpu->model));
1155
1156 memcpy(cpu->model, &s390_qemu_cpu_model, sizeof(*cpu->model));
1157}
1158
1159static void s390_max_cpu_model_initfn(Object *obj)
1160{
1161 const S390CPUModel *max_model;
1162 S390CPU *cpu = S390_CPU(obj);
1163 Error *local_err = NULL;
1164
1165 if (kvm_enabled() && !kvm_s390_cpu_models_supported()) {
1166
1167 return;
1168 }
1169
1170 max_model = get_max_cpu_model(&local_err);
1171 if (local_err) {
1172
1173 g_assert(kvm_enabled());
1174 error_report_err(local_err);
1175
1176 return;
1177 }
1178
1179 cpu->model = g_new(S390CPUModel, 1);
1180
1181 memcpy(cpu->model, max_model, sizeof(*cpu->model));
1182}
1183
1184static void s390_cpu_model_finalize(Object *obj)
1185{
1186 S390CPU *cpu = S390_CPU(obj);
1187
1188 g_free(cpu->model);
1189 cpu->model = NULL;
1190}
1191
1192static bool get_is_migration_safe(Object *obj, Error **errp)
1193{
1194 return S390_CPU_GET_CLASS(obj)->is_migration_safe;
1195}
1196
1197static bool get_is_static(Object *obj, Error **errp)
1198{
1199 return S390_CPU_GET_CLASS(obj)->is_static;
1200}
1201
1202static char *get_description(Object *obj, Error **errp)
1203{
1204 return g_strdup(S390_CPU_GET_CLASS(obj)->desc);
1205}
1206
1207void s390_cpu_model_class_register_props(ObjectClass *oc)
1208{
1209 object_class_property_add_bool(oc, "migration-safe", get_is_migration_safe,
1210 NULL, NULL);
1211 object_class_property_add_bool(oc, "static", get_is_static,
1212 NULL, NULL);
1213 object_class_property_add_str(oc, "description", get_description, NULL,
1214 NULL);
1215}
1216
1217#ifdef CONFIG_KVM
1218static void s390_host_cpu_model_class_init(ObjectClass *oc, void *data)
1219{
1220 S390CPUClass *xcc = S390_CPU_CLASS(oc);
1221
1222 xcc->kvm_required = true;
1223 xcc->desc = "KVM only: All recognized features";
1224}
1225#endif
1226
1227static void s390_base_cpu_model_class_init(ObjectClass *oc, void *data)
1228{
1229 S390CPUClass *xcc = S390_CPU_CLASS(oc);
1230
1231
1232 xcc->cpu_def = (const S390CPUDef *) data;
1233 xcc->is_migration_safe = true;
1234 xcc->is_static = true;
1235 xcc->desc = xcc->cpu_def->desc;
1236}
1237
1238static void s390_cpu_model_class_init(ObjectClass *oc, void *data)
1239{
1240 S390CPUClass *xcc = S390_CPU_CLASS(oc);
1241
1242
1243 xcc->cpu_def = (const S390CPUDef *) data;
1244 xcc->is_migration_safe = true;
1245 xcc->desc = xcc->cpu_def->desc;
1246}
1247
1248static void s390_qemu_cpu_model_class_init(ObjectClass *oc, void *data)
1249{
1250 S390CPUClass *xcc = S390_CPU_CLASS(oc);
1251
1252 xcc->is_migration_safe = true;
1253 xcc->desc = g_strdup_printf("QEMU Virtual CPU version %s",
1254 qemu_hw_version());
1255}
1256
1257static void s390_max_cpu_model_class_init(ObjectClass *oc, void *data)
1258{
1259 S390CPUClass *xcc = S390_CPU_CLASS(oc);
1260
1261
1262
1263
1264
1265
1266
1267 xcc->desc =
1268 "Enables all features supported by the accelerator in the current host";
1269}
1270
1271
1272static char *s390_cpu_type_name(const char *model_name)
1273{
1274 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name);
1275}
1276
1277
1278static char *s390_base_cpu_type_name(const char *model_name)
1279{
1280 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name);
1281}
1282
1283ObjectClass *s390_cpu_class_by_name(const char *name)
1284{
1285 char *typename = s390_cpu_type_name(name);
1286 ObjectClass *oc;
1287
1288 oc = object_class_by_name(typename);
1289 g_free(typename);
1290 return oc;
1291}
1292
1293static const TypeInfo qemu_s390_cpu_type_info = {
1294 .name = S390_CPU_TYPE_NAME("qemu"),
1295 .parent = TYPE_S390_CPU,
1296 .instance_init = s390_qemu_cpu_model_initfn,
1297 .instance_finalize = s390_cpu_model_finalize,
1298 .class_init = s390_qemu_cpu_model_class_init,
1299};
1300
1301static const TypeInfo max_s390_cpu_type_info = {
1302 .name = S390_CPU_TYPE_NAME("max"),
1303 .parent = TYPE_S390_CPU,
1304 .instance_init = s390_max_cpu_model_initfn,
1305 .instance_finalize = s390_cpu_model_finalize,
1306 .class_init = s390_max_cpu_model_class_init,
1307};
1308
1309#ifdef CONFIG_KVM
1310static const TypeInfo host_s390_cpu_type_info = {
1311 .name = S390_CPU_TYPE_NAME("host"),
1312 .parent = S390_CPU_TYPE_NAME("max"),
1313 .class_init = s390_host_cpu_model_class_init,
1314};
1315#endif
1316
1317static void init_ignored_base_feat(void)
1318{
1319 static const int feats[] = {
1320
1321 S390_FEAT_KMAC_DEA,
1322 S390_FEAT_KMAC_TDEA_128,
1323 S390_FEAT_KMAC_TDEA_192,
1324 S390_FEAT_KMC_DEA,
1325 S390_FEAT_KMC_TDEA_128,
1326 S390_FEAT_KMC_TDEA_192,
1327 S390_FEAT_KM_DEA,
1328 S390_FEAT_KM_TDEA_128,
1329 S390_FEAT_KM_TDEA_192,
1330 S390_FEAT_KIMD_SHA_1,
1331 S390_FEAT_KLMD_SHA_1,
1332
1333 S390_FEAT_CONDITIONAL_SSKE,
1334 };
1335 int i;
1336
1337 for (i = 0; i < ARRAY_SIZE(feats); i++) {
1338 set_bit(feats[i], ignored_base_feat);
1339 }
1340}
1341
1342static void register_types(void)
1343{
1344 static const S390FeatInit qemu_latest_init = { S390_FEAT_LIST_QEMU_LATEST };
1345 int i;
1346
1347 init_ignored_base_feat();
1348
1349
1350 s390_init_feat_bitmap(qemu_max_cpu_feat_init, qemu_max_cpu_feat);
1351 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
1352 s390_init_feat_bitmap(s390_cpu_defs[i].base_init,
1353 s390_cpu_defs[i].base_feat);
1354 s390_init_feat_bitmap(s390_cpu_defs[i].default_init,
1355 s390_cpu_defs[i].default_feat);
1356 s390_init_feat_bitmap(s390_cpu_defs[i].full_init,
1357 s390_cpu_defs[i].full_feat);
1358 }
1359
1360
1361 s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE, QEMU_MAX_CPU_GEN,
1362 QEMU_MAX_CPU_EC_GA, qemu_latest_init);
1363
1364 for (i = 0; i < ARRAY_SIZE(s390_cpu_defs); i++) {
1365 char *base_name = s390_base_cpu_type_name(s390_cpu_defs[i].name);
1366 TypeInfo ti_base = {
1367 .name = base_name,
1368 .parent = TYPE_S390_CPU,
1369 .instance_init = s390_cpu_model_initfn,
1370 .instance_finalize = s390_cpu_model_finalize,
1371 .class_init = s390_base_cpu_model_class_init,
1372 .class_data = (void *) &s390_cpu_defs[i],
1373 };
1374 char *name = s390_cpu_type_name(s390_cpu_defs[i].name);
1375 TypeInfo ti = {
1376 .name = name,
1377 .parent = TYPE_S390_CPU,
1378 .instance_init = s390_cpu_model_initfn,
1379 .instance_finalize = s390_cpu_model_finalize,
1380 .class_init = s390_cpu_model_class_init,
1381 .class_data = (void *) &s390_cpu_defs[i],
1382 };
1383
1384 type_register_static(&ti_base);
1385 type_register_static(&ti);
1386 g_free(base_name);
1387 g_free(name);
1388 }
1389
1390 type_register_static(&qemu_s390_cpu_type_info);
1391 type_register_static(&max_s390_cpu_type_info);
1392#ifdef CONFIG_KVM
1393 type_register_static(&host_s390_cpu_type_info);
1394#endif
1395}
1396
1397type_init(register_types)
1398