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 "qapi/qmp/qerror.h"
22 #include "qapi/qobject-input-visitor.h"
23 #include "qapi/qmp/qdict.h"
24 #ifndef CONFIG_USER_ONLY
25 #include "sysemu/arch_init.h"
26 #include "hw/pci/pci.h"
28 #include "qapi/qapi-commands-target.h"
30 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
36 .mha_pow = _mha_pow, \
39 .base_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _BASE }, \
40 .default_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _DEFAULT }, \
41 .full_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _FULL }, \
45 * CPU definiton list in order of release. For now, base features of a
46 * following release are always a subset of base features of the previous
47 * release. Same is correct for the other feature sets.
48 * A BC release always follows the corresponding EC release.
50 static S390CPUDef s390_cpu_defs
[] = {
51 CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U
, "z900", "IBM zSeries 900 GA1"),
52 CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U
, "z900.2", "IBM zSeries 900 GA2"),
53 CPUDEF_INIT(0x2064, 7, 3, 38, 0x00000000U
, "z900.3", "IBM zSeries 900 GA3"),
54 CPUDEF_INIT(0x2066, 7, 3, 38, 0x00000000U
, "z800", "IBM zSeries 800 GA1"),
55 CPUDEF_INIT(0x2084, 8, 1, 38, 0x00000000U
, "z990", "IBM zSeries 990 GA1"),
56 CPUDEF_INIT(0x2084, 8, 2, 38, 0x00000000U
, "z990.2", "IBM zSeries 990 GA2"),
57 CPUDEF_INIT(0x2084, 8, 3, 38, 0x00000000U
, "z990.3", "IBM zSeries 990 GA3"),
58 CPUDEF_INIT(0x2086, 8, 3, 38, 0x00000000U
, "z890", "IBM zSeries 880 GA1"),
59 CPUDEF_INIT(0x2084, 8, 4, 38, 0x00000000U
, "z990.4", "IBM zSeries 990 GA4"),
60 CPUDEF_INIT(0x2086, 8, 4, 38, 0x00000000U
, "z890.2", "IBM zSeries 880 GA2"),
61 CPUDEF_INIT(0x2084, 8, 5, 38, 0x00000000U
, "z990.5", "IBM zSeries 990 GA5"),
62 CPUDEF_INIT(0x2086, 8, 5, 38, 0x00000000U
, "z890.3", "IBM zSeries 880 GA3"),
63 CPUDEF_INIT(0x2094, 9, 1, 40, 0x00000000U
, "z9EC", "IBM System z9 EC GA1"),
64 CPUDEF_INIT(0x2094, 9, 2, 40, 0x00000000U
, "z9EC.2", "IBM System z9 EC GA2"),
65 CPUDEF_INIT(0x2096, 9, 2, 40, 0x00000000U
, "z9BC", "IBM System z9 BC GA1"),
66 CPUDEF_INIT(0x2094, 9, 3, 40, 0x00000000U
, "z9EC.3", "IBM System z9 EC GA3"),
67 CPUDEF_INIT(0x2096, 9, 3, 40, 0x00000000U
, "z9BC.2", "IBM System z9 BC GA2"),
68 CPUDEF_INIT(0x2097, 10, 1, 43, 0x00000000U
, "z10EC", "IBM System z10 EC GA1"),
69 CPUDEF_INIT(0x2097, 10, 2, 43, 0x00000000U
, "z10EC.2", "IBM System z10 EC GA2"),
70 CPUDEF_INIT(0x2098, 10, 2, 43, 0x00000000U
, "z10BC", "IBM System z10 BC GA1"),
71 CPUDEF_INIT(0x2097, 10, 3, 43, 0x00000000U
, "z10EC.3", "IBM System z10 EC GA3"),
72 CPUDEF_INIT(0x2098, 10, 3, 43, 0x00000000U
, "z10BC.2", "IBM System z10 BC GA2"),
73 CPUDEF_INIT(0x2817, 11, 1, 44, 0x08000000U
, "z196", "IBM zEnterprise 196 GA1"),
74 CPUDEF_INIT(0x2817, 11, 2, 44, 0x08000000U
, "z196.2", "IBM zEnterprise 196 GA2"),
75 CPUDEF_INIT(0x2818, 11, 2, 44, 0x08000000U
, "z114", "IBM zEnterprise 114 GA1"),
76 CPUDEF_INIT(0x2827, 12, 1, 44, 0x08000000U
, "zEC12", "IBM zEnterprise EC12 GA1"),
77 CPUDEF_INIT(0x2827, 12, 2, 44, 0x08000000U
, "zEC12.2", "IBM zEnterprise EC12 GA2"),
78 CPUDEF_INIT(0x2828, 12, 2, 44, 0x08000000U
, "zBC12", "IBM zEnterprise BC12 GA1"),
79 CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U
, "z13", "IBM z13 GA1"),
80 CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U
, "z13.2", "IBM z13 GA2"),
81 CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U
, "z13s", "IBM z13s GA1"),
82 CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U
, "z14", "IBM z14 GA1"),
83 CPUDEF_INIT(0x3906, 14, 2, 47, 0x08000000U
, "z14.2", "IBM z14 GA2"),
84 CPUDEF_INIT(0x3907, 14, 1, 47, 0x08000000U
, "z14ZR1", "IBM z14 Model ZR1 GA1"),
87 #define QEMU_MAX_CPU_TYPE 0x2827
88 #define QEMU_MAX_CPU_GEN 12
89 #define QEMU_MAX_CPU_EC_GA 2
90 static const S390FeatInit qemu_max_cpu_feat_init
= { S390_FEAT_LIST_QEMU_MAX
};
91 static S390FeatBitmap qemu_max_cpu_feat
;
93 /* features part of a base model but not relevant for finding a base model */
94 S390FeatBitmap ignored_base_feat
;
96 void s390_cpudef_featoff(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
98 const S390CPUDef
*def
;
100 def
= s390_find_cpu_def(0, gen
, ec_ga
, NULL
);
101 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
104 void s390_cpudef_featoff_greater(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
108 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
109 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
111 if (def
->gen
< gen
) {
114 if (def
->gen
== gen
&& def
->ec_ga
< ec_ga
) {
118 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
122 void s390_cpudef_group_featoff_greater(uint8_t gen
, uint8_t ec_ga
,
125 const S390FeatGroupDef
*group_def
= s390_feat_group_def(group
);
126 S390FeatBitmap group_def_off
;
129 bitmap_complement(group_def_off
, group_def
->feat
, S390_FEAT_MAX
);
131 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
132 const S390CPUDef
*cpu_def
= &s390_cpu_defs
[i
];
134 if (cpu_def
->gen
< gen
) {
137 if (cpu_def
->gen
== gen
&& cpu_def
->ec_ga
< ec_ga
) {
141 bitmap_and((unsigned long *)&cpu_def
->default_feat
,
142 cpu_def
->default_feat
, group_def_off
, S390_FEAT_MAX
);
146 uint32_t s390_get_hmfai(void)
151 cpu
= S390_CPU(qemu_get_cpu(0));
154 if (!cpu
|| !cpu
->model
) {
157 return cpu
->model
->def
->hmfai
;
160 uint8_t s390_get_mha_pow(void)
165 cpu
= S390_CPU(qemu_get_cpu(0));
168 if (!cpu
|| !cpu
->model
) {
171 return cpu
->model
->def
->mha_pow
;
174 uint32_t s390_get_ibc_val(void)
176 uint16_t unblocked_ibc
, lowest_ibc
;
180 cpu
= S390_CPU(qemu_get_cpu(0));
183 if (!cpu
|| !cpu
->model
) {
186 unblocked_ibc
= s390_ibc_from_cpu_model(cpu
->model
);
187 lowest_ibc
= cpu
->model
->lowest_ibc
;
188 /* the lowest_ibc always has to be <= unblocked_ibc */
189 if (!lowest_ibc
|| lowest_ibc
> unblocked_ibc
) {
192 return ((uint32_t) lowest_ibc
<< 16) | unblocked_ibc
;
195 void s390_get_feat_block(S390FeatType type
, uint8_t *data
)
200 cpu
= S390_CPU(qemu_get_cpu(0));
203 if (!cpu
|| !cpu
->model
) {
206 s390_fill_feat_block(cpu
->model
->features
, type
, data
);
209 bool s390_has_feat(S390Feat feat
)
214 cpu
= S390_CPU(qemu_get_cpu(0));
217 if (!cpu
|| !cpu
->model
) {
220 if (feat
== S390_FEAT_VECTOR
) {
221 return kvm_check_extension(kvm_state
,
222 KVM_CAP_S390_VECTOR_REGISTERS
);
224 if (feat
== S390_FEAT_RUNTIME_INSTRUMENTATION
) {
225 return kvm_s390_get_ri();
227 if (feat
== S390_FEAT_MSA_EXT_3
) {
232 if (feat
== S390_FEAT_ZPCI
) {
237 return test_bit(feat
, cpu
->model
->features
);
240 uint8_t s390_get_gen_for_cpu_type(uint16_t type
)
244 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
245 if (s390_cpu_defs
[i
].type
== type
) {
246 return s390_cpu_defs
[i
].gen
;
252 const S390CPUDef
*s390_find_cpu_def(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
253 S390FeatBitmap features
)
255 const S390CPUDef
*last_compatible
= NULL
;
256 const S390CPUDef
*matching_cpu_type
= NULL
;
263 gen
= s390_get_gen_for_cpu_type(type
);
266 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
267 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
268 S390FeatBitmap missing
;
270 /* don't even try newer generations if we know the generation */
272 if (def
->gen
> gen
) {
274 } else if (def
->gen
== gen
&& ec_ga
&& def
->ec_ga
> ec_ga
) {
280 /* see if the model satisfies the minimum features */
281 bitmap_andnot(missing
, def
->base_feat
, features
, S390_FEAT_MAX
);
283 * Ignore certain features that are in the base model, but not
284 * relevant for the search (esp. MSA subfunctions).
286 bitmap_andnot(missing
, missing
, ignored_base_feat
, S390_FEAT_MAX
);
287 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
292 /* stop the search if we found the exact model */
293 if (def
->type
== type
&& def
->ec_ga
== ec_ga
) {
296 /* remember if we've at least seen one with the same cpu type */
297 if (def
->type
== type
) {
298 matching_cpu_type
= def
;
300 last_compatible
= def
;
302 /* prefer the model with the same cpu type, esp. don't take the BC for EC */
303 if (matching_cpu_type
) {
304 return matching_cpu_type
;
306 return last_compatible
;
309 static void s390_print_cpu_model_list_entry(gpointer data
, gpointer user_data
)
311 CPUListState
*s
= 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 (*s
->cpu_fprintf
)(s
->file
, "s390 %-15s %-35s %s\n", name
, scc
->desc
,
329 static gint
s390_cpu_list_compare(gconstpointer a
, gconstpointer b
)
331 const S390CPUClass
*cc_a
= S390_CPU_CLASS((ObjectClass
*)a
);
332 const S390CPUClass
*cc_b
= S390_CPU_CLASS((ObjectClass
*)b
);
333 const char *name_a
= object_class_get_name((ObjectClass
*)a
);
334 const char *name_b
= object_class_get_name((ObjectClass
*)b
);
337 * Move qemu, host and max to the top of the list, qemu first, host second,
340 if (name_a
[0] == 'q') {
342 } else if (name_b
[0] == 'q') {
344 } else if (name_a
[0] == 'h') {
346 } else if (name_b
[0] == 'h') {
348 } else if (name_a
[0] == 'm') {
350 } else if (name_b
[0] == 'm') {
354 /* keep the same order we have in our table (sorted by release date) */
355 if (cc_a
->cpu_def
!= cc_b
->cpu_def
) {
356 return cc_a
->cpu_def
- cc_b
->cpu_def
;
359 /* exact same definition - list base model first */
360 return cc_a
->is_static
? -1 : 1;
363 void s390_cpu_list(FILE *f
, fprintf_function print
)
367 .cpu_fprintf
= print
,
373 list
= object_class_get_list(TYPE_S390_CPU
, false);
374 list
= g_slist_sort(list
, s390_cpu_list_compare
);
375 g_slist_foreach(list
, s390_print_cpu_model_list_entry
, &s
);
378 (*print
)(f
, "\nRecognized feature flags:\n");
379 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
380 const S390FeatDef
*def
= s390_feat_def(feat
);
382 (*print
)(f
, "%-20s %-50s\n", def
->name
, def
->desc
);
385 (*print
)(f
, "\nRecognized feature groups:\n");
386 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
387 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
389 (*print
)(f
, "%-20s %-50s\n", def
->name
, def
->desc
);
393 static S390CPUModel
*get_max_cpu_model(Error
**errp
);
395 #ifndef CONFIG_USER_ONLY
396 static void list_add_feat(const char *name
, void *opaque
);
398 static void check_unavailable_features(const S390CPUModel
*max_model
,
399 const S390CPUModel
*model
,
400 strList
**unavailable
)
402 S390FeatBitmap missing
;
404 /* check general model compatibility */
405 if (max_model
->def
->gen
< model
->def
->gen
||
406 (max_model
->def
->gen
== model
->def
->gen
&&
407 max_model
->def
->ec_ga
< model
->def
->ec_ga
)) {
408 list_add_feat("type", unavailable
);
411 /* detect missing features if any to properly report them */
412 bitmap_andnot(missing
, model
->features
, max_model
->features
,
414 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
415 s390_feat_bitmap_to_ascii(missing
, unavailable
, list_add_feat
);
419 struct CpuDefinitionInfoListData
{
420 CpuDefinitionInfoList
*list
;
424 static void create_cpu_model_list(ObjectClass
*klass
, void *opaque
)
426 struct CpuDefinitionInfoListData
*cpu_list_data
= opaque
;
427 CpuDefinitionInfoList
**cpu_list
= &cpu_list_data
->list
;
428 CpuDefinitionInfoList
*entry
;
429 CpuDefinitionInfo
*info
;
430 char *name
= g_strdup(object_class_get_name(klass
));
431 S390CPUClass
*scc
= S390_CPU_CLASS(klass
);
433 /* strip off the -s390x-cpu */
434 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
435 info
= g_new0(CpuDefinitionInfo
, 1);
437 info
->has_migration_safe
= true;
438 info
->migration_safe
= scc
->is_migration_safe
;
439 info
->q_static
= scc
->is_static
;
440 info
->q_typename
= g_strdup(object_class_get_name(klass
));
441 /* check for unavailable features */
442 if (cpu_list_data
->model
) {
445 obj
= object_new(object_class_get_name(klass
));
448 info
->has_unavailable_features
= true;
449 check_unavailable_features(cpu_list_data
->model
, sc
->model
,
450 &info
->unavailable_features
);
455 entry
= g_new0(CpuDefinitionInfoList
, 1);
457 entry
->next
= *cpu_list
;
461 CpuDefinitionInfoList
*qmp_query_cpu_definitions(Error
**errp
)
463 struct CpuDefinitionInfoListData list_data
= {
467 list_data
.model
= get_max_cpu_model(errp
);
473 object_class_foreach(create_cpu_model_list
, TYPE_S390_CPU
, false,
476 return list_data
.list
;
479 static void cpu_model_from_info(S390CPUModel
*model
, const CpuModelInfo
*info
,
482 const QDict
*qdict
= NULL
;
490 qdict
= qobject_to(QDict
, info
->props
);
492 error_setg(errp
, QERR_INVALID_PARAMETER_TYPE
, "props", "dict");
497 oc
= cpu_class_by_name(TYPE_S390_CPU
, info
->name
);
499 error_setg(errp
, "The CPU definition \'%s\' is unknown.", info
->name
);
502 if (S390_CPU_CLASS(oc
)->kvm_required
&& !kvm_enabled()) {
503 error_setg(errp
, "The CPU definition '%s' requires KVM", info
->name
);
506 obj
= object_new(object_class_get_name(oc
));
510 error_setg(errp
, "Details about the host CPU model are not available, "
511 "it cannot be used.");
517 visitor
= qobject_input_visitor_new(info
->props
);
518 visit_start_struct(visitor
, NULL
, NULL
, 0, errp
);
523 for (e
= qdict_first(qdict
); e
; e
= qdict_next(qdict
, e
)) {
524 object_property_set(obj
, visitor
, e
->key
, errp
);
530 visit_check_struct(visitor
, errp
);
532 visit_end_struct(visitor
, NULL
);
540 /* copy the model and throw the cpu away */
541 memcpy(model
, cpu
->model
, sizeof(*model
));
545 static void qdict_add_disabled_feat(const char *name
, void *opaque
)
547 qdict_put_bool(opaque
, name
, false);
550 static void qdict_add_enabled_feat(const char *name
, void *opaque
)
552 qdict_put_bool(opaque
, name
, true);
555 /* convert S390CPUDef into a static CpuModelInfo */
556 static void cpu_info_from_model(CpuModelInfo
*info
, const S390CPUModel
*model
,
559 QDict
*qdict
= qdict_new();
560 S390FeatBitmap bitmap
;
562 /* always fallback to the static base model */
563 info
->name
= g_strdup_printf("%s-base", model
->def
->name
);
566 /* features deleted from the base feature set */
567 bitmap_andnot(bitmap
, model
->def
->base_feat
, model
->features
,
569 if (!bitmap_empty(bitmap
, S390_FEAT_MAX
)) {
570 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_disabled_feat
);
573 /* features added to the base feature set */
574 bitmap_andnot(bitmap
, model
->features
, model
->def
->base_feat
,
576 if (!bitmap_empty(bitmap
, S390_FEAT_MAX
)) {
577 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_enabled_feat
);
580 /* expand all features */
581 s390_feat_bitmap_to_ascii(model
->features
, qdict
,
582 qdict_add_enabled_feat
);
583 bitmap_complement(bitmap
, model
->features
, S390_FEAT_MAX
);
584 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_disabled_feat
);
587 if (!qdict_size(qdict
)) {
588 qobject_unref(qdict
);
590 info
->props
= QOBJECT(qdict
);
591 info
->has_props
= true;
595 CpuModelExpansionInfo
*qmp_query_cpu_model_expansion(CpuModelExpansionType type
,
599 CpuModelExpansionInfo
*expansion_info
= NULL
;
600 S390CPUModel s390_model
;
601 bool delta_changes
= false;
603 /* convert it to our internal representation */
604 cpu_model_from_info(&s390_model
, model
, errp
);
609 if (type
== CPU_MODEL_EXPANSION_TYPE_STATIC
) {
610 delta_changes
= true;
611 } else if (type
!= CPU_MODEL_EXPANSION_TYPE_FULL
) {
612 error_setg(errp
, "The requested expansion type is not supported.");
616 /* convert it back to a static representation */
617 expansion_info
= g_new0(CpuModelExpansionInfo
, 1);
618 expansion_info
->model
= g_malloc0(sizeof(*expansion_info
->model
));
619 cpu_info_from_model(expansion_info
->model
, &s390_model
, delta_changes
);
620 return expansion_info
;
623 static void list_add_feat(const char *name
, void *opaque
)
625 strList
**last
= (strList
**) opaque
;
628 entry
= g_new0(strList
, 1);
629 entry
->value
= g_strdup(name
);
634 CpuModelCompareInfo
*qmp_query_cpu_model_comparison(CpuModelInfo
*infoa
,
638 CpuModelCompareResult feat_result
, gen_result
;
639 CpuModelCompareInfo
*compare_info
;
640 S390FeatBitmap missing
, added
;
641 S390CPUModel modela
, modelb
;
643 /* convert both models to our internal representation */
644 cpu_model_from_info(&modela
, infoa
, errp
);
648 cpu_model_from_info(&modelb
, infob
, errp
);
652 compare_info
= g_new0(CpuModelCompareInfo
, 1);
654 /* check the cpu generation and ga level */
655 if (modela
.def
->gen
== modelb
.def
->gen
) {
656 if (modela
.def
->ec_ga
== modelb
.def
->ec_ga
) {
657 /* ec and corresponding bc are identical */
658 gen_result
= CPU_MODEL_COMPARE_RESULT_IDENTICAL
;
659 } else if (modela
.def
->ec_ga
< modelb
.def
->ec_ga
) {
660 gen_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
662 gen_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
664 } else if (modela
.def
->gen
< modelb
.def
->gen
) {
665 gen_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
667 gen_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
669 if (gen_result
!= CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
670 /* both models cannot be made identical */
671 list_add_feat("type", &compare_info
->responsible_properties
);
674 /* check the feature set */
675 if (bitmap_equal(modela
.features
, modelb
.features
, S390_FEAT_MAX
)) {
676 feat_result
= CPU_MODEL_COMPARE_RESULT_IDENTICAL
;
678 bitmap_andnot(missing
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
679 s390_feat_bitmap_to_ascii(missing
,
680 &compare_info
->responsible_properties
,
682 bitmap_andnot(added
, modelb
.features
, modela
.features
, S390_FEAT_MAX
);
683 s390_feat_bitmap_to_ascii(added
, &compare_info
->responsible_properties
,
685 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
686 feat_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
687 } else if (bitmap_empty(added
, S390_FEAT_MAX
)) {
688 feat_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
690 feat_result
= CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE
;
694 /* combine the results */
695 if (gen_result
== feat_result
) {
696 compare_info
->result
= gen_result
;
697 } else if (feat_result
== CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
698 compare_info
->result
= gen_result
;
699 } else if (gen_result
== CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
700 compare_info
->result
= feat_result
;
702 compare_info
->result
= CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE
;
707 CpuModelBaselineInfo
*qmp_query_cpu_model_baseline(CpuModelInfo
*infoa
,
711 CpuModelBaselineInfo
*baseline_info
;
712 S390CPUModel modela
, modelb
, model
;
717 /* convert both models to our internal representation */
718 cpu_model_from_info(&modela
, infoa
, errp
);
723 cpu_model_from_info(&modelb
, infob
, errp
);
728 /* features both models support */
729 bitmap_and(model
.features
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
731 /* detect the maximum model not regarding features */
732 if (modela
.def
->gen
== modelb
.def
->gen
) {
733 if (modela
.def
->type
== modelb
.def
->type
) {
734 cpu_type
= modela
.def
->type
;
738 max_gen
= modela
.def
->gen
;
739 max_gen_ga
= MIN(modela
.def
->ec_ga
, modelb
.def
->ec_ga
);
740 } else if (modela
.def
->gen
> modelb
.def
->gen
) {
741 cpu_type
= modelb
.def
->type
;
742 max_gen
= modelb
.def
->gen
;
743 max_gen_ga
= modelb
.def
->ec_ga
;
745 cpu_type
= modela
.def
->type
;
746 max_gen
= modela
.def
->gen
;
747 max_gen_ga
= modela
.def
->ec_ga
;
750 model
.def
= s390_find_cpu_def(cpu_type
, max_gen
, max_gen_ga
,
753 /* models without early base features (esan3) are bad */
755 error_setg(errp
, "No compatible CPU model could be created as"
756 " important base features are disabled");
760 /* strip off features not part of the max model */
761 bitmap_and(model
.features
, model
.features
, model
.def
->full_feat
,
764 baseline_info
= g_new0(CpuModelBaselineInfo
, 1);
765 baseline_info
->model
= g_malloc0(sizeof(*baseline_info
->model
));
766 cpu_info_from_model(baseline_info
->model
, &model
, true);
767 return baseline_info
;
771 static void check_consistency(const S390CPUModel
*model
)
773 static int dep
[][2] = {
774 { S390_FEAT_IPTE_RANGE
, S390_FEAT_DAT_ENH
},
775 { S390_FEAT_IDTE_SEGMENT
, S390_FEAT_DAT_ENH
},
776 { S390_FEAT_IDTE_REGION
, S390_FEAT_DAT_ENH
},
777 { S390_FEAT_IDTE_REGION
, S390_FEAT_IDTE_SEGMENT
},
778 { S390_FEAT_LOCAL_TLB_CLEARING
, S390_FEAT_DAT_ENH
},
779 { S390_FEAT_LONG_DISPLACEMENT_FAST
, S390_FEAT_LONG_DISPLACEMENT
},
780 { S390_FEAT_DFP_FAST
, S390_FEAT_DFP
},
781 { S390_FEAT_TRANSACTIONAL_EXE
, S390_FEAT_STFLE_49
},
782 { S390_FEAT_EDAT_2
, S390_FEAT_EDAT
},
783 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KIMD_SHA_512
},
784 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KLMD_SHA_512
},
785 { S390_FEAT_MSA_EXT_4
, S390_FEAT_MSA_EXT_3
},
786 { S390_FEAT_SIE_CMMA
, S390_FEAT_CMM
},
787 { S390_FEAT_SIE_CMMA
, S390_FEAT_SIE_GSLS
},
788 { S390_FEAT_SIE_PFMFI
, S390_FEAT_EDAT
},
789 { S390_FEAT_MSA_EXT_8
, S390_FEAT_MSA_EXT_3
},
790 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
791 { S390_FEAT_VECTOR_PACKED_DECIMAL
, S390_FEAT_VECTOR
},
792 { S390_FEAT_VECTOR_ENH
, S390_FEAT_VECTOR
},
793 { S390_FEAT_INSTRUCTION_EXEC_PROT
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
794 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
, S390_FEAT_ESOP
},
795 { S390_FEAT_CMM_NT
, S390_FEAT_CMM
},
796 { S390_FEAT_GUARDED_STORAGE
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
797 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_STORE_CLOCK_FAST
},
798 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
799 { S390_FEAT_SEMAPHORE_ASSIST
, S390_FEAT_STFLE_49
},
800 { S390_FEAT_KIMD_SHA3_224
, S390_FEAT_MSA
},
801 { S390_FEAT_KIMD_SHA3_256
, S390_FEAT_MSA
},
802 { S390_FEAT_KIMD_SHA3_384
, S390_FEAT_MSA
},
803 { S390_FEAT_KIMD_SHA3_512
, S390_FEAT_MSA
},
804 { S390_FEAT_KIMD_SHAKE_128
, S390_FEAT_MSA
},
805 { S390_FEAT_KIMD_SHAKE_256
, S390_FEAT_MSA
},
806 { S390_FEAT_KLMD_SHA3_224
, S390_FEAT_MSA
},
807 { S390_FEAT_KLMD_SHA3_256
, S390_FEAT_MSA
},
808 { S390_FEAT_KLMD_SHA3_384
, S390_FEAT_MSA
},
809 { S390_FEAT_KLMD_SHA3_512
, S390_FEAT_MSA
},
810 { S390_FEAT_KLMD_SHAKE_128
, S390_FEAT_MSA
},
811 { S390_FEAT_KLMD_SHAKE_256
, S390_FEAT_MSA
},
812 { S390_FEAT_PRNO_TRNG_QRTCR
, S390_FEAT_MSA_EXT_5
},
813 { S390_FEAT_PRNO_TRNG
, S390_FEAT_MSA_EXT_5
},
814 { S390_FEAT_SIE_KSS
, S390_FEAT_SIE_F2
},
815 { S390_FEAT_AP_QUERY_CONFIG_INFO
, S390_FEAT_AP
},
816 { S390_FEAT_AP_FACILITIES_TEST
, S390_FEAT_AP
},
817 { S390_FEAT_PTFF_QSIE
, S390_FEAT_MULTIPLE_EPOCH
},
818 { S390_FEAT_PTFF_QTOUE
, S390_FEAT_MULTIPLE_EPOCH
},
819 { S390_FEAT_PTFF_STOE
, S390_FEAT_MULTIPLE_EPOCH
},
820 { S390_FEAT_PTFF_STOUE
, S390_FEAT_MULTIPLE_EPOCH
},
824 for (i
= 0; i
< ARRAY_SIZE(dep
); i
++) {
825 if (test_bit(dep
[i
][0], model
->features
) &&
826 !test_bit(dep
[i
][1], model
->features
)) {
827 warn_report("\'%s\' requires \'%s\'.",
828 s390_feat_def(dep
[i
][0])->name
,
829 s390_feat_def(dep
[i
][1])->name
);
834 static void error_prepend_missing_feat(const char *name
, void *opaque
)
836 error_prepend((Error
**) opaque
, "%s ", name
);
839 static void check_compatibility(const S390CPUModel
*max_model
,
840 const S390CPUModel
*model
, Error
**errp
)
842 S390FeatBitmap missing
;
844 if (model
->def
->gen
> max_model
->def
->gen
) {
845 error_setg(errp
, "Selected CPU generation is too new. Maximum "
846 "supported model in the configuration: \'%s\'",
847 max_model
->def
->name
);
849 } else if (model
->def
->gen
== max_model
->def
->gen
&&
850 model
->def
->ec_ga
> max_model
->def
->ec_ga
) {
851 error_setg(errp
, "Selected CPU GA level is too new. Maximum "
852 "supported model in the configuration: \'%s\'",
853 max_model
->def
->name
);
857 /* detect the missing features to properly report them */
858 bitmap_andnot(missing
, model
->features
, max_model
->features
, S390_FEAT_MAX
);
859 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
863 error_setg(errp
, " ");
864 s390_feat_bitmap_to_ascii(missing
, errp
, error_prepend_missing_feat
);
865 error_prepend(errp
, "Some features requested in the CPU model are not "
866 "available in the configuration: ");
869 static S390CPUModel
*get_max_cpu_model(Error
**errp
)
871 static S390CPUModel max_model
;
879 kvm_s390_get_host_cpu_model(&max_model
, errp
);
881 max_model
.def
= s390_find_cpu_def(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
882 QEMU_MAX_CPU_EC_GA
, NULL
);
883 bitmap_copy(max_model
.features
, qemu_max_cpu_feat
, S390_FEAT_MAX
);
892 static inline void apply_cpu_model(const S390CPUModel
*model
, Error
**errp
)
894 #ifndef CONFIG_USER_ONLY
895 static S390CPUModel applied_model
;
899 * We have the same model for all VCPUs. KVM can only be configured before
900 * any VCPUs are defined in KVM.
903 if (model
&& memcmp(&applied_model
, model
, sizeof(S390CPUModel
))) {
904 error_setg(errp
, "Mixed CPU models are not supported on s390x.");
910 kvm_s390_apply_cpu_model(model
, errp
);
916 applied_model
= *model
;
922 void s390_realize_cpu_model(CPUState
*cs
, Error
**errp
)
924 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cs
);
925 S390CPU
*cpu
= S390_CPU(cs
);
926 const S390CPUModel
*max_model
;
928 if (xcc
->kvm_required
&& !kvm_enabled()) {
929 error_setg(errp
, "CPU definition requires KVM");
934 /* no host model support -> perform compatibility stuff */
935 apply_cpu_model(NULL
, errp
);
939 max_model
= get_max_cpu_model(errp
);
941 error_prepend(errp
, "CPU models are not available: ");
945 /* copy over properties that can vary */
946 cpu
->model
->lowest_ibc
= max_model
->lowest_ibc
;
947 cpu
->model
->cpu_id
= max_model
->cpu_id
;
948 cpu
->model
->cpu_id_format
= max_model
->cpu_id_format
;
949 cpu
->model
->cpu_ver
= max_model
->cpu_ver
;
951 check_consistency(cpu
->model
);
952 check_compatibility(max_model
, cpu
->model
, errp
);
957 apply_cpu_model(cpu
->model
, errp
);
959 #if !defined(CONFIG_USER_ONLY)
960 cpu
->env
.cpuid
= s390_cpuid_from_cpu_model(cpu
->model
);
962 /* basic mode, write the cpu address into the first 4 bit of the ID */
963 cpu
->env
.cpuid
= deposit64(cpu
->env
.cpuid
, 54, 4, cpu
->env
.core_id
);
968 static void get_feature(Object
*obj
, Visitor
*v
, const char *name
,
969 void *opaque
, Error
**errp
)
971 S390Feat feat
= (S390Feat
) opaque
;
972 S390CPU
*cpu
= S390_CPU(obj
);
976 error_setg(errp
, "Details about the host CPU model are not available, "
977 "features cannot be queried.");
981 value
= test_bit(feat
, cpu
->model
->features
);
982 visit_type_bool(v
, name
, &value
, errp
);
985 static void set_feature(Object
*obj
, Visitor
*v
, const char *name
,
986 void *opaque
, Error
**errp
)
988 S390Feat feat
= (S390Feat
) opaque
;
989 DeviceState
*dev
= DEVICE(obj
);
990 S390CPU
*cpu
= S390_CPU(obj
);
994 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
995 "it was realized", name
, object_get_typename(obj
));
997 } else if (!cpu
->model
) {
998 error_setg(errp
, "Details about the host CPU model are not available, "
999 "features cannot be changed.");
1003 visit_type_bool(v
, name
, &value
, errp
);
1008 if (!test_bit(feat
, cpu
->model
->def
->full_feat
)) {
1009 error_setg(errp
, "Feature '%s' is not available for CPU model '%s',"
1010 " it was introduced with later models.",
1011 name
, cpu
->model
->def
->name
);
1014 set_bit(feat
, cpu
->model
->features
);
1016 clear_bit(feat
, cpu
->model
->features
);
1020 static void get_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1021 void *opaque
, Error
**errp
)
1023 S390FeatGroup group
= (S390FeatGroup
) opaque
;
1024 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1025 S390CPU
*cpu
= S390_CPU(obj
);
1030 error_setg(errp
, "Details about the host CPU model are not available, "
1031 "features cannot be queried.");
1035 /* a group is enabled if all features are enabled */
1036 bitmap_and(tmp
, cpu
->model
->features
, def
->feat
, S390_FEAT_MAX
);
1037 value
= bitmap_equal(tmp
, def
->feat
, S390_FEAT_MAX
);
1038 visit_type_bool(v
, name
, &value
, errp
);
1041 static void set_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1042 void *opaque
, Error
**errp
)
1044 S390FeatGroup group
= (S390FeatGroup
) opaque
;
1045 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1046 DeviceState
*dev
= DEVICE(obj
);
1047 S390CPU
*cpu
= S390_CPU(obj
);
1050 if (dev
->realized
) {
1051 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1052 "it was realized", name
, object_get_typename(obj
));
1054 } else if (!cpu
->model
) {
1055 error_setg(errp
, "Details about the host CPU model are not available, "
1056 "features cannot be changed.");
1060 visit_type_bool(v
, name
, &value
, errp
);
1065 /* groups are added in one shot, so an intersect is sufficient */
1066 if (!bitmap_intersects(def
->feat
, cpu
->model
->def
->full_feat
,
1068 error_setg(errp
, "Group '%s' is not available for CPU model '%s',"
1069 " it was introduced with later models.",
1070 name
, cpu
->model
->def
->name
);
1073 bitmap_or(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1076 bitmap_andnot(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1081 void s390_cpu_model_register_props(Object
*obj
)
1083 S390FeatGroup group
;
1086 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
1087 const S390FeatDef
*def
= s390_feat_def(feat
);
1088 object_property_add(obj
, def
->name
, "bool", get_feature
,
1089 set_feature
, NULL
, (void *) feat
, NULL
);
1090 object_property_set_description(obj
, def
->name
, def
->desc
, NULL
);
1092 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
1093 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1094 object_property_add(obj
, def
->name
, "bool", get_feature_group
,
1095 set_feature_group
, NULL
, (void *) group
, NULL
);
1096 object_property_set_description(obj
, def
->name
, def
->desc
, NULL
);
1100 static void s390_cpu_model_initfn(Object
*obj
)
1102 S390CPU
*cpu
= S390_CPU(obj
);
1103 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cpu
);
1105 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1106 /* copy the model, so we can modify it */
1107 cpu
->model
->def
= xcc
->cpu_def
;
1108 if (xcc
->is_static
) {
1109 /* base model - features will never change */
1110 bitmap_copy(cpu
->model
->features
, cpu
->model
->def
->base_feat
,
1113 /* latest model - features can change */
1114 bitmap_copy(cpu
->model
->features
,
1115 cpu
->model
->def
->default_feat
, S390_FEAT_MAX
);
1119 static S390CPUDef s390_qemu_cpu_def
;
1120 static S390CPUModel s390_qemu_cpu_model
;
1122 /* Set the qemu CPU model (on machine initialization). Must not be called
1123 * once CPUs have been created.
1125 void s390_set_qemu_cpu_model(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
1126 const S390FeatInit feat_init
)
1128 const S390CPUDef
*def
= s390_find_cpu_def(type
, gen
, ec_ga
, NULL
);
1131 g_assert(QTAILQ_EMPTY_RCU(&cpus
));
1133 /* TCG emulates some features that can usually not be enabled with
1134 * the emulated machine generation. Make sure they can be enabled
1135 * when using the QEMU model by adding them to full_feat. We have
1136 * to copy the definition to do that.
1138 memcpy(&s390_qemu_cpu_def
, def
, sizeof(s390_qemu_cpu_def
));
1139 bitmap_or(s390_qemu_cpu_def
.full_feat
, s390_qemu_cpu_def
.full_feat
,
1140 qemu_max_cpu_feat
, S390_FEAT_MAX
);
1142 /* build the CPU model */
1143 s390_qemu_cpu_model
.def
= &s390_qemu_cpu_def
;
1144 bitmap_zero(s390_qemu_cpu_model
.features
, S390_FEAT_MAX
);
1145 s390_init_feat_bitmap(feat_init
, s390_qemu_cpu_model
.features
);
1148 static void s390_qemu_cpu_model_initfn(Object
*obj
)
1150 S390CPU
*cpu
= S390_CPU(obj
);
1152 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1153 /* copy the CPU model so we can modify it */
1154 memcpy(cpu
->model
, &s390_qemu_cpu_model
, sizeof(*cpu
->model
));
1157 static void s390_max_cpu_model_initfn(Object
*obj
)
1159 const S390CPUModel
*max_model
;
1160 S390CPU
*cpu
= S390_CPU(obj
);
1161 Error
*local_err
= NULL
;
1163 if (kvm_enabled() && !kvm_s390_cpu_models_supported()) {
1164 /* "max" and "host" always work, even without CPU model support */
1168 max_model
= get_max_cpu_model(&local_err
);
1170 /* we expect errors only under KVM, when actually querying the kernel */
1171 g_assert(kvm_enabled());
1172 error_report_err(local_err
);
1173 /* fallback to unsupported CPU models */
1177 cpu
->model
= g_new(S390CPUModel
, 1);
1178 /* copy the CPU model so we can modify it */
1179 memcpy(cpu
->model
, max_model
, sizeof(*cpu
->model
));
1182 static void s390_cpu_model_finalize(Object
*obj
)
1184 S390CPU
*cpu
= S390_CPU(obj
);
1190 static bool get_is_migration_safe(Object
*obj
, Error
**errp
)
1192 return S390_CPU_GET_CLASS(obj
)->is_migration_safe
;
1195 static bool get_is_static(Object
*obj
, Error
**errp
)
1197 return S390_CPU_GET_CLASS(obj
)->is_static
;
1200 static char *get_description(Object
*obj
, Error
**errp
)
1202 return g_strdup(S390_CPU_GET_CLASS(obj
)->desc
);
1205 void s390_cpu_model_class_register_props(ObjectClass
*oc
)
1207 object_class_property_add_bool(oc
, "migration-safe", get_is_migration_safe
,
1209 object_class_property_add_bool(oc
, "static", get_is_static
,
1211 object_class_property_add_str(oc
, "description", get_description
, NULL
,
1216 static void s390_host_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1218 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1220 xcc
->kvm_required
= true;
1221 xcc
->desc
= "KVM only: All recognized features";
1225 static void s390_base_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1227 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1229 /* all base models are migration safe */
1230 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1231 xcc
->is_migration_safe
= true;
1232 xcc
->is_static
= true;
1233 xcc
->desc
= xcc
->cpu_def
->desc
;
1236 static void s390_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1238 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1240 /* model that can change between QEMU versions */
1241 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1242 xcc
->is_migration_safe
= true;
1243 xcc
->desc
= xcc
->cpu_def
->desc
;
1246 static void s390_qemu_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1248 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1250 xcc
->is_migration_safe
= true;
1251 xcc
->desc
= g_strdup_printf("QEMU Virtual CPU version %s",
1255 static void s390_max_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1257 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1260 * The "max" model is neither static nor migration safe. Under KVM
1261 * it represents the "host" model. Under TCG it represents some kind of
1262 * "qemu" CPU model without compat handling and maybe with some additional
1263 * CPU features that are not yet unlocked in the "qemu" model.
1266 "Enables all features supported by the accelerator in the current host";
1269 /* Generate type name for a cpu model. Caller has to free the string. */
1270 static char *s390_cpu_type_name(const char *model_name
)
1272 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name
);
1275 /* Generate type name for a base cpu model. Caller has to free the string. */
1276 static char *s390_base_cpu_type_name(const char *model_name
)
1278 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name
);
1281 ObjectClass
*s390_cpu_class_by_name(const char *name
)
1283 char *typename
= s390_cpu_type_name(name
);
1286 oc
= object_class_by_name(typename
);
1291 static const TypeInfo qemu_s390_cpu_type_info
= {
1292 .name
= S390_CPU_TYPE_NAME("qemu"),
1293 .parent
= TYPE_S390_CPU
,
1294 .instance_init
= s390_qemu_cpu_model_initfn
,
1295 .instance_finalize
= s390_cpu_model_finalize
,
1296 .class_init
= s390_qemu_cpu_model_class_init
,
1299 static const TypeInfo max_s390_cpu_type_info
= {
1300 .name
= S390_CPU_TYPE_NAME("max"),
1301 .parent
= TYPE_S390_CPU
,
1302 .instance_init
= s390_max_cpu_model_initfn
,
1303 .instance_finalize
= s390_cpu_model_finalize
,
1304 .class_init
= s390_max_cpu_model_class_init
,
1308 static const TypeInfo host_s390_cpu_type_info
= {
1309 .name
= S390_CPU_TYPE_NAME("host"),
1310 .parent
= S390_CPU_TYPE_NAME("max"),
1311 .class_init
= s390_host_cpu_model_class_init
,
1315 static void init_ignored_base_feat(void)
1317 static const int feats
[] = {
1318 /* MSA subfunctions that could not be available on certain machines */
1320 S390_FEAT_KMAC_TDEA_128
,
1321 S390_FEAT_KMAC_TDEA_192
,
1323 S390_FEAT_KMC_TDEA_128
,
1324 S390_FEAT_KMC_TDEA_192
,
1326 S390_FEAT_KM_TDEA_128
,
1327 S390_FEAT_KM_TDEA_192
,
1328 S390_FEAT_KIMD_SHA_1
,
1329 S390_FEAT_KLMD_SHA_1
,
1333 for (i
= 0; i
< ARRAY_SIZE(feats
); i
++) {
1334 set_bit(feats
[i
], ignored_base_feat
);
1338 static void register_types(void)
1340 static const S390FeatInit qemu_latest_init
= { S390_FEAT_LIST_QEMU_LATEST
};
1343 init_ignored_base_feat();
1345 /* init all bitmaps from gnerated data initially */
1346 s390_init_feat_bitmap(qemu_max_cpu_feat_init
, qemu_max_cpu_feat
);
1347 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1348 s390_init_feat_bitmap(s390_cpu_defs
[i
].base_init
,
1349 s390_cpu_defs
[i
].base_feat
);
1350 s390_init_feat_bitmap(s390_cpu_defs
[i
].default_init
,
1351 s390_cpu_defs
[i
].default_feat
);
1352 s390_init_feat_bitmap(s390_cpu_defs
[i
].full_init
,
1353 s390_cpu_defs
[i
].full_feat
);
1356 /* initialize the qemu model with latest definition */
1357 s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
1358 QEMU_MAX_CPU_EC_GA
, qemu_latest_init
);
1360 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1361 char *base_name
= s390_base_cpu_type_name(s390_cpu_defs
[i
].name
);
1362 TypeInfo ti_base
= {
1364 .parent
= TYPE_S390_CPU
,
1365 .instance_init
= s390_cpu_model_initfn
,
1366 .instance_finalize
= s390_cpu_model_finalize
,
1367 .class_init
= s390_base_cpu_model_class_init
,
1368 .class_data
= (void *) &s390_cpu_defs
[i
],
1370 char *name
= s390_cpu_type_name(s390_cpu_defs
[i
].name
);
1373 .parent
= TYPE_S390_CPU
,
1374 .instance_init
= s390_cpu_model_initfn
,
1375 .instance_finalize
= s390_cpu_model_finalize
,
1376 .class_init
= s390_cpu_model_class_init
,
1377 .class_data
= (void *) &s390_cpu_defs
[i
],
1380 type_register_static(&ti_base
);
1381 type_register_static(&ti
);
1386 type_register_static(&qemu_s390_cpu_type_info
);
1387 type_register_static(&max_s390_cpu_type_info
);
1389 type_register_static(&host_s390_cpu_type_info
);
1393 type_init(register_types
)