4 * Copyright 2016 IBM Corp.
6 * Author(s): David Hildenbrand <dahi@linux.vnet.ibm.com>
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
13 #include "qemu/osdep.h"
16 #include "kvm_s390x.h"
17 #include "sysemu/kvm.h"
18 #include "qapi/error.h"
19 #include "qapi/visitor.h"
20 #include "qemu/error-report.h"
21 #include "qemu/qemu-print.h"
22 #include "qapi/qmp/qerror.h"
23 #include "qapi/qobject-input-visitor.h"
24 #include "qapi/qmp/qdict.h"
25 #ifndef CONFIG_USER_ONLY
26 #include "sysemu/arch_init.h"
27 #include "hw/pci/pci.h"
29 #include "qapi/qapi-commands-target.h"
31 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
37 .mha_pow = _mha_pow, \
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 }, \
46 * CPU definiton list in order of release. For now, base features of a
47 * following release are always a subset of base features of the previous
48 * release. Same is correct for the other feature sets.
49 * A BC release always follows the corresponding EC release.
51 static S390CPUDef s390_cpu_defs
[] = {
52 CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U
, "z900", "IBM zSeries 900 GA1"),
53 CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U
, "z900.2", "IBM zSeries 900 GA2"),
54 CPUDEF_INIT(0x2064, 7, 3, 38, 0x00000000U
, "z900.3", "IBM zSeries 900 GA3"),
55 CPUDEF_INIT(0x2066, 7, 3, 38, 0x00000000U
, "z800", "IBM zSeries 800 GA1"),
56 CPUDEF_INIT(0x2084, 8, 1, 38, 0x00000000U
, "z990", "IBM zSeries 990 GA1"),
57 CPUDEF_INIT(0x2084, 8, 2, 38, 0x00000000U
, "z990.2", "IBM zSeries 990 GA2"),
58 CPUDEF_INIT(0x2084, 8, 3, 38, 0x00000000U
, "z990.3", "IBM zSeries 990 GA3"),
59 CPUDEF_INIT(0x2086, 8, 3, 38, 0x00000000U
, "z890", "IBM zSeries 880 GA1"),
60 CPUDEF_INIT(0x2084, 8, 4, 38, 0x00000000U
, "z990.4", "IBM zSeries 990 GA4"),
61 CPUDEF_INIT(0x2086, 8, 4, 38, 0x00000000U
, "z890.2", "IBM zSeries 880 GA2"),
62 CPUDEF_INIT(0x2084, 8, 5, 38, 0x00000000U
, "z990.5", "IBM zSeries 990 GA5"),
63 CPUDEF_INIT(0x2086, 8, 5, 38, 0x00000000U
, "z890.3", "IBM zSeries 880 GA3"),
64 CPUDEF_INIT(0x2094, 9, 1, 40, 0x00000000U
, "z9EC", "IBM System z9 EC GA1"),
65 CPUDEF_INIT(0x2094, 9, 2, 40, 0x00000000U
, "z9EC.2", "IBM System z9 EC GA2"),
66 CPUDEF_INIT(0x2096, 9, 2, 40, 0x00000000U
, "z9BC", "IBM System z9 BC GA1"),
67 CPUDEF_INIT(0x2094, 9, 3, 40, 0x00000000U
, "z9EC.3", "IBM System z9 EC GA3"),
68 CPUDEF_INIT(0x2096, 9, 3, 40, 0x00000000U
, "z9BC.2", "IBM System z9 BC GA2"),
69 CPUDEF_INIT(0x2097, 10, 1, 43, 0x00000000U
, "z10EC", "IBM System z10 EC GA1"),
70 CPUDEF_INIT(0x2097, 10, 2, 43, 0x00000000U
, "z10EC.2", "IBM System z10 EC GA2"),
71 CPUDEF_INIT(0x2098, 10, 2, 43, 0x00000000U
, "z10BC", "IBM System z10 BC GA1"),
72 CPUDEF_INIT(0x2097, 10, 3, 43, 0x00000000U
, "z10EC.3", "IBM System z10 EC GA3"),
73 CPUDEF_INIT(0x2098, 10, 3, 43, 0x00000000U
, "z10BC.2", "IBM System z10 BC GA2"),
74 CPUDEF_INIT(0x2817, 11, 1, 44, 0x08000000U
, "z196", "IBM zEnterprise 196 GA1"),
75 CPUDEF_INIT(0x2817, 11, 2, 44, 0x08000000U
, "z196.2", "IBM zEnterprise 196 GA2"),
76 CPUDEF_INIT(0x2818, 11, 2, 44, 0x08000000U
, "z114", "IBM zEnterprise 114 GA1"),
77 CPUDEF_INIT(0x2827, 12, 1, 44, 0x08000000U
, "zEC12", "IBM zEnterprise EC12 GA1"),
78 CPUDEF_INIT(0x2827, 12, 2, 44, 0x08000000U
, "zEC12.2", "IBM zEnterprise EC12 GA2"),
79 CPUDEF_INIT(0x2828, 12, 2, 44, 0x08000000U
, "zBC12", "IBM zEnterprise BC12 GA1"),
80 CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U
, "z13", "IBM z13 GA1"),
81 CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U
, "z13.2", "IBM z13 GA2"),
82 CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U
, "z13s", "IBM z13s GA1"),
83 CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U
, "z14", "IBM z14 GA1"),
84 CPUDEF_INIT(0x3906, 14, 2, 47, 0x08000000U
, "z14.2", "IBM z14 GA2"),
85 CPUDEF_INIT(0x3907, 14, 1, 47, 0x08000000U
, "z14ZR1", "IBM z14 Model ZR1 GA1"),
88 #define QEMU_MAX_CPU_TYPE 0x2827
89 #define QEMU_MAX_CPU_GEN 12
90 #define QEMU_MAX_CPU_EC_GA 2
91 static const S390FeatInit qemu_max_cpu_feat_init
= { S390_FEAT_LIST_QEMU_MAX
};
92 static S390FeatBitmap qemu_max_cpu_feat
;
94 /* features part of a base model but not relevant for finding a base model */
95 S390FeatBitmap ignored_base_feat
;
97 void s390_cpudef_featoff(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
99 const S390CPUDef
*def
;
101 def
= s390_find_cpu_def(0, gen
, ec_ga
, NULL
);
102 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
105 void s390_cpudef_featoff_greater(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
109 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
110 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
112 if (def
->gen
< gen
) {
115 if (def
->gen
== gen
&& def
->ec_ga
< ec_ga
) {
119 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
123 void s390_cpudef_group_featoff_greater(uint8_t gen
, uint8_t ec_ga
,
126 const S390FeatGroupDef
*group_def
= s390_feat_group_def(group
);
127 S390FeatBitmap group_def_off
;
130 bitmap_complement(group_def_off
, group_def
->feat
, S390_FEAT_MAX
);
132 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
133 const S390CPUDef
*cpu_def
= &s390_cpu_defs
[i
];
135 if (cpu_def
->gen
< gen
) {
138 if (cpu_def
->gen
== gen
&& cpu_def
->ec_ga
< ec_ga
) {
142 bitmap_and((unsigned long *)&cpu_def
->default_feat
,
143 cpu_def
->default_feat
, group_def_off
, S390_FEAT_MAX
);
147 uint32_t s390_get_hmfai(void)
152 cpu
= S390_CPU(qemu_get_cpu(0));
155 if (!cpu
|| !cpu
->model
) {
158 return cpu
->model
->def
->hmfai
;
161 uint8_t s390_get_mha_pow(void)
166 cpu
= S390_CPU(qemu_get_cpu(0));
169 if (!cpu
|| !cpu
->model
) {
172 return cpu
->model
->def
->mha_pow
;
175 uint32_t s390_get_ibc_val(void)
177 uint16_t unblocked_ibc
, lowest_ibc
;
181 cpu
= S390_CPU(qemu_get_cpu(0));
184 if (!cpu
|| !cpu
->model
) {
187 unblocked_ibc
= s390_ibc_from_cpu_model(cpu
->model
);
188 lowest_ibc
= cpu
->model
->lowest_ibc
;
189 /* the lowest_ibc always has to be <= unblocked_ibc */
190 if (!lowest_ibc
|| lowest_ibc
> unblocked_ibc
) {
193 return ((uint32_t) lowest_ibc
<< 16) | unblocked_ibc
;
196 void s390_get_feat_block(S390FeatType type
, uint8_t *data
)
201 cpu
= S390_CPU(qemu_get_cpu(0));
204 if (!cpu
|| !cpu
->model
) {
207 s390_fill_feat_block(cpu
->model
->features
, type
, data
);
210 bool s390_has_feat(S390Feat feat
)
215 cpu
= S390_CPU(qemu_get_cpu(0));
218 if (!cpu
|| !cpu
->model
) {
221 if (feat
== S390_FEAT_VECTOR
) {
222 return kvm_check_extension(kvm_state
,
223 KVM_CAP_S390_VECTOR_REGISTERS
);
225 if (feat
== S390_FEAT_RUNTIME_INSTRUMENTATION
) {
226 return kvm_s390_get_ri();
228 if (feat
== S390_FEAT_MSA_EXT_3
) {
233 if (feat
== S390_FEAT_ZPCI
) {
238 return test_bit(feat
, cpu
->model
->features
);
241 uint8_t s390_get_gen_for_cpu_type(uint16_t type
)
245 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
246 if (s390_cpu_defs
[i
].type
== type
) {
247 return s390_cpu_defs
[i
].gen
;
253 const S390CPUDef
*s390_find_cpu_def(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
254 S390FeatBitmap features
)
256 const S390CPUDef
*last_compatible
= NULL
;
257 const S390CPUDef
*matching_cpu_type
= NULL
;
264 gen
= s390_get_gen_for_cpu_type(type
);
267 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
268 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
269 S390FeatBitmap missing
;
271 /* don't even try newer generations if we know the generation */
273 if (def
->gen
> gen
) {
275 } else if (def
->gen
== gen
&& ec_ga
&& def
->ec_ga
> ec_ga
) {
281 /* see if the model satisfies the minimum features */
282 bitmap_andnot(missing
, def
->base_feat
, features
, S390_FEAT_MAX
);
284 * Ignore certain features that are in the base model, but not
285 * relevant for the search (esp. MSA subfunctions).
287 bitmap_andnot(missing
, missing
, ignored_base_feat
, S390_FEAT_MAX
);
288 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
293 /* stop the search if we found the exact model */
294 if (def
->type
== type
&& def
->ec_ga
== ec_ga
) {
297 /* remember if we've at least seen one with the same cpu type */
298 if (def
->type
== type
) {
299 matching_cpu_type
= def
;
301 last_compatible
= def
;
303 /* prefer the model with the same cpu type, esp. don't take the BC for EC */
304 if (matching_cpu_type
) {
305 return matching_cpu_type
;
307 return last_compatible
;
310 static void s390_print_cpu_model_list_entry(gpointer data
, gpointer user_data
)
312 const S390CPUClass
*scc
= S390_CPU_CLASS((ObjectClass
*)data
);
313 char *name
= g_strdup(object_class_get_name((ObjectClass
*)data
));
314 const char *details
= "";
316 if (scc
->is_static
) {
317 details
= "(static, migration-safe)";
318 } else if (scc
->is_migration_safe
) {
319 details
= "(migration-safe)";
322 /* strip off the -s390x-cpu */
323 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
324 qemu_printf("s390 %-15s %-35s %s\n", name
, scc
->desc
, details
);
328 static gint
s390_cpu_list_compare(gconstpointer a
, gconstpointer b
)
330 const S390CPUClass
*cc_a
= S390_CPU_CLASS((ObjectClass
*)a
);
331 const S390CPUClass
*cc_b
= S390_CPU_CLASS((ObjectClass
*)b
);
332 const char *name_a
= object_class_get_name((ObjectClass
*)a
);
333 const char *name_b
= object_class_get_name((ObjectClass
*)b
);
336 * Move qemu, host and max to the top of the list, qemu first, host second,
339 if (name_a
[0] == 'q') {
341 } else if (name_b
[0] == 'q') {
343 } else if (name_a
[0] == 'h') {
345 } else if (name_b
[0] == 'h') {
347 } else if (name_a
[0] == 'm') {
349 } else if (name_b
[0] == 'm') {
353 /* keep the same order we have in our table (sorted by release date) */
354 if (cc_a
->cpu_def
!= cc_b
->cpu_def
) {
355 return cc_a
->cpu_def
- cc_b
->cpu_def
;
358 /* exact same definition - list base model first */
359 return cc_a
->is_static
? -1 : 1;
362 void s390_cpu_list(void)
368 list
= object_class_get_list(TYPE_S390_CPU
, false);
369 list
= g_slist_sort(list
, s390_cpu_list_compare
);
370 g_slist_foreach(list
, s390_print_cpu_model_list_entry
, NULL
);
373 qemu_printf("\nRecognized feature flags:\n");
374 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
375 const S390FeatDef
*def
= s390_feat_def(feat
);
377 qemu_printf("%-20s %-50s\n", def
->name
, def
->desc
);
380 qemu_printf("\nRecognized feature groups:\n");
381 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
382 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
384 qemu_printf("%-20s %-50s\n", def
->name
, def
->desc
);
388 static S390CPUModel
*get_max_cpu_model(Error
**errp
);
390 #ifndef CONFIG_USER_ONLY
391 static void list_add_feat(const char *name
, void *opaque
);
393 static void check_unavailable_features(const S390CPUModel
*max_model
,
394 const S390CPUModel
*model
,
395 strList
**unavailable
)
397 S390FeatBitmap missing
;
399 /* check general model compatibility */
400 if (max_model
->def
->gen
< model
->def
->gen
||
401 (max_model
->def
->gen
== model
->def
->gen
&&
402 max_model
->def
->ec_ga
< model
->def
->ec_ga
)) {
403 list_add_feat("type", unavailable
);
406 /* detect missing features if any to properly report them */
407 bitmap_andnot(missing
, model
->features
, max_model
->features
,
409 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
410 s390_feat_bitmap_to_ascii(missing
, unavailable
, list_add_feat
);
414 struct CpuDefinitionInfoListData
{
415 CpuDefinitionInfoList
*list
;
419 static void create_cpu_model_list(ObjectClass
*klass
, void *opaque
)
421 struct CpuDefinitionInfoListData
*cpu_list_data
= opaque
;
422 CpuDefinitionInfoList
**cpu_list
= &cpu_list_data
->list
;
423 CpuDefinitionInfoList
*entry
;
424 CpuDefinitionInfo
*info
;
425 char *name
= g_strdup(object_class_get_name(klass
));
426 S390CPUClass
*scc
= S390_CPU_CLASS(klass
);
428 /* strip off the -s390x-cpu */
429 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
430 info
= g_new0(CpuDefinitionInfo
, 1);
432 info
->has_migration_safe
= true;
433 info
->migration_safe
= scc
->is_migration_safe
;
434 info
->q_static
= scc
->is_static
;
435 info
->q_typename
= g_strdup(object_class_get_name(klass
));
436 /* check for unavailable features */
437 if (cpu_list_data
->model
) {
440 obj
= object_new(object_class_get_name(klass
));
443 info
->has_unavailable_features
= true;
444 check_unavailable_features(cpu_list_data
->model
, sc
->model
,
445 &info
->unavailable_features
);
450 entry
= g_new0(CpuDefinitionInfoList
, 1);
452 entry
->next
= *cpu_list
;
456 CpuDefinitionInfoList
*qmp_query_cpu_definitions(Error
**errp
)
458 struct CpuDefinitionInfoListData list_data
= {
462 list_data
.model
= get_max_cpu_model(errp
);
468 object_class_foreach(create_cpu_model_list
, TYPE_S390_CPU
, false,
471 return list_data
.list
;
474 static void cpu_model_from_info(S390CPUModel
*model
, const CpuModelInfo
*info
,
477 const QDict
*qdict
= NULL
;
485 qdict
= qobject_to(QDict
, info
->props
);
487 error_setg(errp
, QERR_INVALID_PARAMETER_TYPE
, "props", "dict");
492 oc
= cpu_class_by_name(TYPE_S390_CPU
, info
->name
);
494 error_setg(errp
, "The CPU definition \'%s\' is unknown.", info
->name
);
497 if (S390_CPU_CLASS(oc
)->kvm_required
&& !kvm_enabled()) {
498 error_setg(errp
, "The CPU definition '%s' requires KVM", info
->name
);
501 obj
= object_new(object_class_get_name(oc
));
505 error_setg(errp
, "Details about the host CPU model are not available, "
506 "it cannot be used.");
512 visitor
= qobject_input_visitor_new(info
->props
);
513 visit_start_struct(visitor
, NULL
, NULL
, 0, errp
);
518 for (e
= qdict_first(qdict
); e
; e
= qdict_next(qdict
, e
)) {
519 object_property_set(obj
, visitor
, e
->key
, errp
);
525 visit_check_struct(visitor
, errp
);
527 visit_end_struct(visitor
, NULL
);
535 /* copy the model and throw the cpu away */
536 memcpy(model
, cpu
->model
, sizeof(*model
));
540 static void qdict_add_disabled_feat(const char *name
, void *opaque
)
542 qdict_put_bool(opaque
, name
, false);
545 static void qdict_add_enabled_feat(const char *name
, void *opaque
)
547 qdict_put_bool(opaque
, name
, true);
550 /* convert S390CPUDef into a static CpuModelInfo */
551 static void cpu_info_from_model(CpuModelInfo
*info
, const S390CPUModel
*model
,
554 QDict
*qdict
= qdict_new();
555 S390FeatBitmap bitmap
;
557 /* always fallback to the static base model */
558 info
->name
= g_strdup_printf("%s-base", model
->def
->name
);
561 /* features deleted from the base feature set */
562 bitmap_andnot(bitmap
, model
->def
->base_feat
, model
->features
,
564 if (!bitmap_empty(bitmap
, S390_FEAT_MAX
)) {
565 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_disabled_feat
);
568 /* features added to the base feature set */
569 bitmap_andnot(bitmap
, model
->features
, model
->def
->base_feat
,
571 if (!bitmap_empty(bitmap
, S390_FEAT_MAX
)) {
572 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_enabled_feat
);
575 /* expand all features */
576 s390_feat_bitmap_to_ascii(model
->features
, qdict
,
577 qdict_add_enabled_feat
);
578 bitmap_complement(bitmap
, model
->features
, S390_FEAT_MAX
);
579 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_disabled_feat
);
582 if (!qdict_size(qdict
)) {
583 qobject_unref(qdict
);
585 info
->props
= QOBJECT(qdict
);
586 info
->has_props
= true;
590 CpuModelExpansionInfo
*qmp_query_cpu_model_expansion(CpuModelExpansionType type
,
594 CpuModelExpansionInfo
*expansion_info
= NULL
;
595 S390CPUModel s390_model
;
596 bool delta_changes
= false;
598 /* convert it to our internal representation */
599 cpu_model_from_info(&s390_model
, model
, errp
);
604 if (type
== CPU_MODEL_EXPANSION_TYPE_STATIC
) {
605 delta_changes
= true;
606 } else if (type
!= CPU_MODEL_EXPANSION_TYPE_FULL
) {
607 error_setg(errp
, "The requested expansion type is not supported.");
611 /* convert it back to a static representation */
612 expansion_info
= g_new0(CpuModelExpansionInfo
, 1);
613 expansion_info
->model
= g_malloc0(sizeof(*expansion_info
->model
));
614 cpu_info_from_model(expansion_info
->model
, &s390_model
, delta_changes
);
615 return expansion_info
;
618 static void list_add_feat(const char *name
, void *opaque
)
620 strList
**last
= (strList
**) opaque
;
623 entry
= g_new0(strList
, 1);
624 entry
->value
= g_strdup(name
);
629 CpuModelCompareInfo
*qmp_query_cpu_model_comparison(CpuModelInfo
*infoa
,
633 CpuModelCompareResult feat_result
, gen_result
;
634 CpuModelCompareInfo
*compare_info
;
635 S390FeatBitmap missing
, added
;
636 S390CPUModel modela
, modelb
;
638 /* convert both models to our internal representation */
639 cpu_model_from_info(&modela
, infoa
, errp
);
643 cpu_model_from_info(&modelb
, infob
, errp
);
647 compare_info
= g_new0(CpuModelCompareInfo
, 1);
649 /* check the cpu generation and ga level */
650 if (modela
.def
->gen
== modelb
.def
->gen
) {
651 if (modela
.def
->ec_ga
== modelb
.def
->ec_ga
) {
652 /* ec and corresponding bc are identical */
653 gen_result
= CPU_MODEL_COMPARE_RESULT_IDENTICAL
;
654 } else if (modela
.def
->ec_ga
< modelb
.def
->ec_ga
) {
655 gen_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
657 gen_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
659 } else if (modela
.def
->gen
< modelb
.def
->gen
) {
660 gen_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
662 gen_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
664 if (gen_result
!= CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
665 /* both models cannot be made identical */
666 list_add_feat("type", &compare_info
->responsible_properties
);
669 /* check the feature set */
670 if (bitmap_equal(modela
.features
, modelb
.features
, S390_FEAT_MAX
)) {
671 feat_result
= CPU_MODEL_COMPARE_RESULT_IDENTICAL
;
673 bitmap_andnot(missing
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
674 s390_feat_bitmap_to_ascii(missing
,
675 &compare_info
->responsible_properties
,
677 bitmap_andnot(added
, modelb
.features
, modela
.features
, S390_FEAT_MAX
);
678 s390_feat_bitmap_to_ascii(added
, &compare_info
->responsible_properties
,
680 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
681 feat_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
682 } else if (bitmap_empty(added
, S390_FEAT_MAX
)) {
683 feat_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
685 feat_result
= CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE
;
689 /* combine the results */
690 if (gen_result
== feat_result
) {
691 compare_info
->result
= gen_result
;
692 } else if (feat_result
== CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
693 compare_info
->result
= gen_result
;
694 } else if (gen_result
== CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
695 compare_info
->result
= feat_result
;
697 compare_info
->result
= CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE
;
702 CpuModelBaselineInfo
*qmp_query_cpu_model_baseline(CpuModelInfo
*infoa
,
706 CpuModelBaselineInfo
*baseline_info
;
707 S390CPUModel modela
, modelb
, model
;
712 /* convert both models to our internal representation */
713 cpu_model_from_info(&modela
, infoa
, errp
);
718 cpu_model_from_info(&modelb
, infob
, errp
);
723 /* features both models support */
724 bitmap_and(model
.features
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
726 /* detect the maximum model not regarding features */
727 if (modela
.def
->gen
== modelb
.def
->gen
) {
728 if (modela
.def
->type
== modelb
.def
->type
) {
729 cpu_type
= modela
.def
->type
;
733 max_gen
= modela
.def
->gen
;
734 max_gen_ga
= MIN(modela
.def
->ec_ga
, modelb
.def
->ec_ga
);
735 } else if (modela
.def
->gen
> modelb
.def
->gen
) {
736 cpu_type
= modelb
.def
->type
;
737 max_gen
= modelb
.def
->gen
;
738 max_gen_ga
= modelb
.def
->ec_ga
;
740 cpu_type
= modela
.def
->type
;
741 max_gen
= modela
.def
->gen
;
742 max_gen_ga
= modela
.def
->ec_ga
;
745 model
.def
= s390_find_cpu_def(cpu_type
, max_gen
, max_gen_ga
,
748 /* models without early base features (esan3) are bad */
750 error_setg(errp
, "No compatible CPU model could be created as"
751 " important base features are disabled");
755 /* strip off features not part of the max model */
756 bitmap_and(model
.features
, model
.features
, model
.def
->full_feat
,
759 baseline_info
= g_new0(CpuModelBaselineInfo
, 1);
760 baseline_info
->model
= g_malloc0(sizeof(*baseline_info
->model
));
761 cpu_info_from_model(baseline_info
->model
, &model
, true);
762 return baseline_info
;
766 static void check_consistency(const S390CPUModel
*model
)
768 static int dep
[][2] = {
769 { S390_FEAT_IPTE_RANGE
, S390_FEAT_DAT_ENH
},
770 { S390_FEAT_IDTE_SEGMENT
, S390_FEAT_DAT_ENH
},
771 { S390_FEAT_IDTE_REGION
, S390_FEAT_DAT_ENH
},
772 { S390_FEAT_IDTE_REGION
, S390_FEAT_IDTE_SEGMENT
},
773 { S390_FEAT_LOCAL_TLB_CLEARING
, S390_FEAT_DAT_ENH
},
774 { S390_FEAT_LONG_DISPLACEMENT_FAST
, S390_FEAT_LONG_DISPLACEMENT
},
775 { S390_FEAT_DFP_FAST
, S390_FEAT_DFP
},
776 { S390_FEAT_TRANSACTIONAL_EXE
, S390_FEAT_STFLE_49
},
777 { S390_FEAT_EDAT_2
, S390_FEAT_EDAT
},
778 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KIMD_SHA_512
},
779 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KLMD_SHA_512
},
780 { S390_FEAT_MSA_EXT_4
, S390_FEAT_MSA_EXT_3
},
781 { S390_FEAT_SIE_CMMA
, S390_FEAT_CMM
},
782 { S390_FEAT_SIE_CMMA
, S390_FEAT_SIE_GSLS
},
783 { S390_FEAT_SIE_PFMFI
, S390_FEAT_EDAT
},
784 { S390_FEAT_MSA_EXT_8
, S390_FEAT_MSA_EXT_3
},
785 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
786 { S390_FEAT_VECTOR_PACKED_DECIMAL
, S390_FEAT_VECTOR
},
787 { S390_FEAT_VECTOR_ENH
, S390_FEAT_VECTOR
},
788 { S390_FEAT_INSTRUCTION_EXEC_PROT
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
789 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
, S390_FEAT_ESOP
},
790 { S390_FEAT_CMM_NT
, S390_FEAT_CMM
},
791 { S390_FEAT_GUARDED_STORAGE
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
792 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_STORE_CLOCK_FAST
},
793 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
794 { S390_FEAT_SEMAPHORE_ASSIST
, S390_FEAT_STFLE_49
},
795 { S390_FEAT_KIMD_SHA3_224
, S390_FEAT_MSA
},
796 { S390_FEAT_KIMD_SHA3_256
, S390_FEAT_MSA
},
797 { S390_FEAT_KIMD_SHA3_384
, S390_FEAT_MSA
},
798 { S390_FEAT_KIMD_SHA3_512
, S390_FEAT_MSA
},
799 { S390_FEAT_KIMD_SHAKE_128
, S390_FEAT_MSA
},
800 { S390_FEAT_KIMD_SHAKE_256
, S390_FEAT_MSA
},
801 { S390_FEAT_KLMD_SHA3_224
, S390_FEAT_MSA
},
802 { S390_FEAT_KLMD_SHA3_256
, S390_FEAT_MSA
},
803 { S390_FEAT_KLMD_SHA3_384
, S390_FEAT_MSA
},
804 { S390_FEAT_KLMD_SHA3_512
, S390_FEAT_MSA
},
805 { S390_FEAT_KLMD_SHAKE_128
, S390_FEAT_MSA
},
806 { S390_FEAT_KLMD_SHAKE_256
, S390_FEAT_MSA
},
807 { S390_FEAT_PRNO_TRNG_QRTCR
, S390_FEAT_MSA_EXT_5
},
808 { S390_FEAT_PRNO_TRNG
, S390_FEAT_MSA_EXT_5
},
809 { S390_FEAT_SIE_KSS
, S390_FEAT_SIE_F2
},
810 { S390_FEAT_AP_QUERY_CONFIG_INFO
, S390_FEAT_AP
},
811 { S390_FEAT_AP_FACILITIES_TEST
, S390_FEAT_AP
},
812 { S390_FEAT_PTFF_QSIE
, S390_FEAT_MULTIPLE_EPOCH
},
813 { S390_FEAT_PTFF_QTOUE
, S390_FEAT_MULTIPLE_EPOCH
},
814 { S390_FEAT_PTFF_STOE
, S390_FEAT_MULTIPLE_EPOCH
},
815 { S390_FEAT_PTFF_STOUE
, S390_FEAT_MULTIPLE_EPOCH
},
819 for (i
= 0; i
< ARRAY_SIZE(dep
); i
++) {
820 if (test_bit(dep
[i
][0], model
->features
) &&
821 !test_bit(dep
[i
][1], model
->features
)) {
822 warn_report("\'%s\' requires \'%s\'.",
823 s390_feat_def(dep
[i
][0])->name
,
824 s390_feat_def(dep
[i
][1])->name
);
829 static void error_prepend_missing_feat(const char *name
, void *opaque
)
831 error_prepend((Error
**) opaque
, "%s ", name
);
834 static void check_compatibility(const S390CPUModel
*max_model
,
835 const S390CPUModel
*model
, Error
**errp
)
837 S390FeatBitmap missing
;
839 if (model
->def
->gen
> max_model
->def
->gen
) {
840 error_setg(errp
, "Selected CPU generation is too new. Maximum "
841 "supported model in the configuration: \'%s\'",
842 max_model
->def
->name
);
844 } else if (model
->def
->gen
== max_model
->def
->gen
&&
845 model
->def
->ec_ga
> max_model
->def
->ec_ga
) {
846 error_setg(errp
, "Selected CPU GA level is too new. Maximum "
847 "supported model in the configuration: \'%s\'",
848 max_model
->def
->name
);
852 /* detect the missing features to properly report them */
853 bitmap_andnot(missing
, model
->features
, max_model
->features
, S390_FEAT_MAX
);
854 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
858 error_setg(errp
, " ");
859 s390_feat_bitmap_to_ascii(missing
, errp
, error_prepend_missing_feat
);
860 error_prepend(errp
, "Some features requested in the CPU model are not "
861 "available in the configuration: ");
864 static S390CPUModel
*get_max_cpu_model(Error
**errp
)
866 static S390CPUModel max_model
;
874 kvm_s390_get_host_cpu_model(&max_model
, errp
);
876 max_model
.def
= s390_find_cpu_def(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
877 QEMU_MAX_CPU_EC_GA
, NULL
);
878 bitmap_copy(max_model
.features
, qemu_max_cpu_feat
, S390_FEAT_MAX
);
887 static inline void apply_cpu_model(const S390CPUModel
*model
, Error
**errp
)
889 #ifndef CONFIG_USER_ONLY
890 static S390CPUModel applied_model
;
894 * We have the same model for all VCPUs. KVM can only be configured before
895 * any VCPUs are defined in KVM.
898 if (model
&& memcmp(&applied_model
, model
, sizeof(S390CPUModel
))) {
899 error_setg(errp
, "Mixed CPU models are not supported on s390x.");
905 kvm_s390_apply_cpu_model(model
, errp
);
911 applied_model
= *model
;
917 void s390_realize_cpu_model(CPUState
*cs
, Error
**errp
)
919 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cs
);
920 S390CPU
*cpu
= S390_CPU(cs
);
921 const S390CPUModel
*max_model
;
923 if (xcc
->kvm_required
&& !kvm_enabled()) {
924 error_setg(errp
, "CPU definition requires KVM");
929 /* no host model support -> perform compatibility stuff */
930 apply_cpu_model(NULL
, errp
);
934 max_model
= get_max_cpu_model(errp
);
936 error_prepend(errp
, "CPU models are not available: ");
940 /* copy over properties that can vary */
941 cpu
->model
->lowest_ibc
= max_model
->lowest_ibc
;
942 cpu
->model
->cpu_id
= max_model
->cpu_id
;
943 cpu
->model
->cpu_id_format
= max_model
->cpu_id_format
;
944 cpu
->model
->cpu_ver
= max_model
->cpu_ver
;
946 check_consistency(cpu
->model
);
947 check_compatibility(max_model
, cpu
->model
, errp
);
952 apply_cpu_model(cpu
->model
, errp
);
954 #if !defined(CONFIG_USER_ONLY)
955 cpu
->env
.cpuid
= s390_cpuid_from_cpu_model(cpu
->model
);
957 /* basic mode, write the cpu address into the first 4 bit of the ID */
958 cpu
->env
.cpuid
= deposit64(cpu
->env
.cpuid
, 54, 4, cpu
->env
.core_id
);
963 static void get_feature(Object
*obj
, Visitor
*v
, const char *name
,
964 void *opaque
, Error
**errp
)
966 S390Feat feat
= (S390Feat
) opaque
;
967 S390CPU
*cpu
= S390_CPU(obj
);
971 error_setg(errp
, "Details about the host CPU model are not available, "
972 "features cannot be queried.");
976 value
= test_bit(feat
, cpu
->model
->features
);
977 visit_type_bool(v
, name
, &value
, errp
);
980 static void set_feature(Object
*obj
, Visitor
*v
, const char *name
,
981 void *opaque
, Error
**errp
)
983 S390Feat feat
= (S390Feat
) opaque
;
984 DeviceState
*dev
= DEVICE(obj
);
985 S390CPU
*cpu
= S390_CPU(obj
);
989 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
990 "it was realized", name
, object_get_typename(obj
));
992 } else if (!cpu
->model
) {
993 error_setg(errp
, "Details about the host CPU model are not available, "
994 "features cannot be changed.");
998 visit_type_bool(v
, name
, &value
, errp
);
1003 if (!test_bit(feat
, cpu
->model
->def
->full_feat
)) {
1004 error_setg(errp
, "Feature '%s' is not available for CPU model '%s',"
1005 " it was introduced with later models.",
1006 name
, cpu
->model
->def
->name
);
1009 set_bit(feat
, cpu
->model
->features
);
1011 clear_bit(feat
, cpu
->model
->features
);
1015 static void get_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1016 void *opaque
, Error
**errp
)
1018 S390FeatGroup group
= (S390FeatGroup
) opaque
;
1019 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1020 S390CPU
*cpu
= S390_CPU(obj
);
1025 error_setg(errp
, "Details about the host CPU model are not available, "
1026 "features cannot be queried.");
1030 /* a group is enabled if all features are enabled */
1031 bitmap_and(tmp
, cpu
->model
->features
, def
->feat
, S390_FEAT_MAX
);
1032 value
= bitmap_equal(tmp
, def
->feat
, S390_FEAT_MAX
);
1033 visit_type_bool(v
, name
, &value
, errp
);
1036 static void set_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1037 void *opaque
, Error
**errp
)
1039 S390FeatGroup group
= (S390FeatGroup
) opaque
;
1040 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1041 DeviceState
*dev
= DEVICE(obj
);
1042 S390CPU
*cpu
= S390_CPU(obj
);
1045 if (dev
->realized
) {
1046 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1047 "it was realized", name
, object_get_typename(obj
));
1049 } else if (!cpu
->model
) {
1050 error_setg(errp
, "Details about the host CPU model are not available, "
1051 "features cannot be changed.");
1055 visit_type_bool(v
, name
, &value
, errp
);
1060 /* groups are added in one shot, so an intersect is sufficient */
1061 if (!bitmap_intersects(def
->feat
, cpu
->model
->def
->full_feat
,
1063 error_setg(errp
, "Group '%s' is not available for CPU model '%s',"
1064 " it was introduced with later models.",
1065 name
, cpu
->model
->def
->name
);
1068 bitmap_or(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1071 bitmap_andnot(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1076 void s390_cpu_model_register_props(Object
*obj
)
1078 S390FeatGroup group
;
1081 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
1082 const S390FeatDef
*def
= s390_feat_def(feat
);
1083 object_property_add(obj
, def
->name
, "bool", get_feature
,
1084 set_feature
, NULL
, (void *) feat
, NULL
);
1085 object_property_set_description(obj
, def
->name
, def
->desc
, NULL
);
1087 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
1088 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1089 object_property_add(obj
, def
->name
, "bool", get_feature_group
,
1090 set_feature_group
, NULL
, (void *) group
, NULL
);
1091 object_property_set_description(obj
, def
->name
, def
->desc
, NULL
);
1095 static void s390_cpu_model_initfn(Object
*obj
)
1097 S390CPU
*cpu
= S390_CPU(obj
);
1098 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cpu
);
1100 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1101 /* copy the model, so we can modify it */
1102 cpu
->model
->def
= xcc
->cpu_def
;
1103 if (xcc
->is_static
) {
1104 /* base model - features will never change */
1105 bitmap_copy(cpu
->model
->features
, cpu
->model
->def
->base_feat
,
1108 /* latest model - features can change */
1109 bitmap_copy(cpu
->model
->features
,
1110 cpu
->model
->def
->default_feat
, S390_FEAT_MAX
);
1114 static S390CPUDef s390_qemu_cpu_def
;
1115 static S390CPUModel s390_qemu_cpu_model
;
1117 /* Set the qemu CPU model (on machine initialization). Must not be called
1118 * once CPUs have been created.
1120 void s390_set_qemu_cpu_model(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
1121 const S390FeatInit feat_init
)
1123 const S390CPUDef
*def
= s390_find_cpu_def(type
, gen
, ec_ga
, NULL
);
1126 g_assert(QTAILQ_EMPTY_RCU(&cpus
));
1128 /* TCG emulates some features that can usually not be enabled with
1129 * the emulated machine generation. Make sure they can be enabled
1130 * when using the QEMU model by adding them to full_feat. We have
1131 * to copy the definition to do that.
1133 memcpy(&s390_qemu_cpu_def
, def
, sizeof(s390_qemu_cpu_def
));
1134 bitmap_or(s390_qemu_cpu_def
.full_feat
, s390_qemu_cpu_def
.full_feat
,
1135 qemu_max_cpu_feat
, S390_FEAT_MAX
);
1137 /* build the CPU model */
1138 s390_qemu_cpu_model
.def
= &s390_qemu_cpu_def
;
1139 bitmap_zero(s390_qemu_cpu_model
.features
, S390_FEAT_MAX
);
1140 s390_init_feat_bitmap(feat_init
, s390_qemu_cpu_model
.features
);
1143 static void s390_qemu_cpu_model_initfn(Object
*obj
)
1145 S390CPU
*cpu
= S390_CPU(obj
);
1147 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1148 /* copy the CPU model so we can modify it */
1149 memcpy(cpu
->model
, &s390_qemu_cpu_model
, sizeof(*cpu
->model
));
1152 static void s390_max_cpu_model_initfn(Object
*obj
)
1154 const S390CPUModel
*max_model
;
1155 S390CPU
*cpu
= S390_CPU(obj
);
1156 Error
*local_err
= NULL
;
1158 if (kvm_enabled() && !kvm_s390_cpu_models_supported()) {
1159 /* "max" and "host" always work, even without CPU model support */
1163 max_model
= get_max_cpu_model(&local_err
);
1165 /* we expect errors only under KVM, when actually querying the kernel */
1166 g_assert(kvm_enabled());
1167 error_report_err(local_err
);
1168 /* fallback to unsupported CPU models */
1172 cpu
->model
= g_new(S390CPUModel
, 1);
1173 /* copy the CPU model so we can modify it */
1174 memcpy(cpu
->model
, max_model
, sizeof(*cpu
->model
));
1177 static void s390_cpu_model_finalize(Object
*obj
)
1179 S390CPU
*cpu
= S390_CPU(obj
);
1185 static bool get_is_migration_safe(Object
*obj
, Error
**errp
)
1187 return S390_CPU_GET_CLASS(obj
)->is_migration_safe
;
1190 static bool get_is_static(Object
*obj
, Error
**errp
)
1192 return S390_CPU_GET_CLASS(obj
)->is_static
;
1195 static char *get_description(Object
*obj
, Error
**errp
)
1197 return g_strdup(S390_CPU_GET_CLASS(obj
)->desc
);
1200 void s390_cpu_model_class_register_props(ObjectClass
*oc
)
1202 object_class_property_add_bool(oc
, "migration-safe", get_is_migration_safe
,
1204 object_class_property_add_bool(oc
, "static", get_is_static
,
1206 object_class_property_add_str(oc
, "description", get_description
, NULL
,
1211 static void s390_host_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1213 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1215 xcc
->kvm_required
= true;
1216 xcc
->desc
= "KVM only: All recognized features";
1220 static void s390_base_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1222 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1224 /* all base models are migration safe */
1225 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1226 xcc
->is_migration_safe
= true;
1227 xcc
->is_static
= true;
1228 xcc
->desc
= xcc
->cpu_def
->desc
;
1231 static void s390_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1233 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1235 /* model that can change between QEMU versions */
1236 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1237 xcc
->is_migration_safe
= true;
1238 xcc
->desc
= xcc
->cpu_def
->desc
;
1241 static void s390_qemu_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1243 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1245 xcc
->is_migration_safe
= true;
1246 xcc
->desc
= g_strdup_printf("QEMU Virtual CPU version %s",
1250 static void s390_max_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1252 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1255 * The "max" model is neither static nor migration safe. Under KVM
1256 * it represents the "host" model. Under TCG it represents some kind of
1257 * "qemu" CPU model without compat handling and maybe with some additional
1258 * CPU features that are not yet unlocked in the "qemu" model.
1261 "Enables all features supported by the accelerator in the current host";
1264 /* Generate type name for a cpu model. Caller has to free the string. */
1265 static char *s390_cpu_type_name(const char *model_name
)
1267 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name
);
1270 /* Generate type name for a base cpu model. Caller has to free the string. */
1271 static char *s390_base_cpu_type_name(const char *model_name
)
1273 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name
);
1276 ObjectClass
*s390_cpu_class_by_name(const char *name
)
1278 char *typename
= s390_cpu_type_name(name
);
1281 oc
= object_class_by_name(typename
);
1286 static const TypeInfo qemu_s390_cpu_type_info
= {
1287 .name
= S390_CPU_TYPE_NAME("qemu"),
1288 .parent
= TYPE_S390_CPU
,
1289 .instance_init
= s390_qemu_cpu_model_initfn
,
1290 .instance_finalize
= s390_cpu_model_finalize
,
1291 .class_init
= s390_qemu_cpu_model_class_init
,
1294 static const TypeInfo max_s390_cpu_type_info
= {
1295 .name
= S390_CPU_TYPE_NAME("max"),
1296 .parent
= TYPE_S390_CPU
,
1297 .instance_init
= s390_max_cpu_model_initfn
,
1298 .instance_finalize
= s390_cpu_model_finalize
,
1299 .class_init
= s390_max_cpu_model_class_init
,
1303 static const TypeInfo host_s390_cpu_type_info
= {
1304 .name
= S390_CPU_TYPE_NAME("host"),
1305 .parent
= S390_CPU_TYPE_NAME("max"),
1306 .class_init
= s390_host_cpu_model_class_init
,
1310 static void init_ignored_base_feat(void)
1312 static const int feats
[] = {
1313 /* MSA subfunctions that could not be available on certain machines */
1315 S390_FEAT_KMAC_TDEA_128
,
1316 S390_FEAT_KMAC_TDEA_192
,
1318 S390_FEAT_KMC_TDEA_128
,
1319 S390_FEAT_KMC_TDEA_192
,
1321 S390_FEAT_KM_TDEA_128
,
1322 S390_FEAT_KM_TDEA_192
,
1323 S390_FEAT_KIMD_SHA_1
,
1324 S390_FEAT_KLMD_SHA_1
,
1328 for (i
= 0; i
< ARRAY_SIZE(feats
); i
++) {
1329 set_bit(feats
[i
], ignored_base_feat
);
1333 static void register_types(void)
1335 static const S390FeatInit qemu_latest_init
= { S390_FEAT_LIST_QEMU_LATEST
};
1338 init_ignored_base_feat();
1340 /* init all bitmaps from gnerated data initially */
1341 s390_init_feat_bitmap(qemu_max_cpu_feat_init
, qemu_max_cpu_feat
);
1342 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1343 s390_init_feat_bitmap(s390_cpu_defs
[i
].base_init
,
1344 s390_cpu_defs
[i
].base_feat
);
1345 s390_init_feat_bitmap(s390_cpu_defs
[i
].default_init
,
1346 s390_cpu_defs
[i
].default_feat
);
1347 s390_init_feat_bitmap(s390_cpu_defs
[i
].full_init
,
1348 s390_cpu_defs
[i
].full_feat
);
1351 /* initialize the qemu model with latest definition */
1352 s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
1353 QEMU_MAX_CPU_EC_GA
, qemu_latest_init
);
1355 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1356 char *base_name
= s390_base_cpu_type_name(s390_cpu_defs
[i
].name
);
1357 TypeInfo ti_base
= {
1359 .parent
= TYPE_S390_CPU
,
1360 .instance_init
= s390_cpu_model_initfn
,
1361 .instance_finalize
= s390_cpu_model_finalize
,
1362 .class_init
= s390_base_cpu_model_class_init
,
1363 .class_data
= (void *) &s390_cpu_defs
[i
],
1365 char *name
= s390_cpu_type_name(s390_cpu_defs
[i
].name
);
1368 .parent
= TYPE_S390_CPU
,
1369 .instance_init
= s390_cpu_model_initfn
,
1370 .instance_finalize
= s390_cpu_model_finalize
,
1371 .class_init
= s390_cpu_model_class_init
,
1372 .class_data
= (void *) &s390_cpu_defs
[i
],
1375 type_register_static(&ti_base
);
1376 type_register_static(&ti
);
1381 type_register_static(&qemu_s390_cpu_type_info
);
1382 type_register_static(&max_s390_cpu_type_info
);
1384 type_register_static(&host_s390_cpu_type_info
);
1388 type_init(register_types
)