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 "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"
31 #include "qapi/qapi-commands-machine-target.h"
33 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
39 .mha_pow = _mha_pow, \
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 }, \
48 * CPU definition list in order of release. Up to generation 14 base features
49 * of a following release have been a superset of the previous release. With
50 * generation 15 one base feature and one optional feature have been deprecated.
52 static 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"),
91 #define QEMU_MAX_CPU_TYPE 0x2964
92 #define QEMU_MAX_CPU_GEN 13
93 #define QEMU_MAX_CPU_EC_GA 2
94 static const S390FeatInit qemu_max_cpu_feat_init
= { S390_FEAT_LIST_QEMU_MAX
};
95 static S390FeatBitmap qemu_max_cpu_feat
;
97 /* features part of a base model but not relevant for finding a base model */
98 S390FeatBitmap ignored_base_feat
;
100 void s390_cpudef_featoff(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
102 const S390CPUDef
*def
;
104 def
= s390_find_cpu_def(0, gen
, ec_ga
, NULL
);
105 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
108 void s390_cpudef_featoff_greater(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
112 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
113 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
115 if (def
->gen
< gen
) {
118 if (def
->gen
== gen
&& def
->ec_ga
< ec_ga
) {
122 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
126 void s390_cpudef_group_featoff_greater(uint8_t gen
, uint8_t ec_ga
,
129 const S390FeatGroupDef
*group_def
= s390_feat_group_def(group
);
130 S390FeatBitmap group_def_off
;
133 bitmap_complement(group_def_off
, group_def
->feat
, S390_FEAT_MAX
);
135 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
136 const S390CPUDef
*cpu_def
= &s390_cpu_defs
[i
];
138 if (cpu_def
->gen
< gen
) {
141 if (cpu_def
->gen
== gen
&& cpu_def
->ec_ga
< ec_ga
) {
145 bitmap_and((unsigned long *)&cpu_def
->default_feat
,
146 cpu_def
->default_feat
, group_def_off
, S390_FEAT_MAX
);
150 uint32_t s390_get_hmfai(void)
155 cpu
= S390_CPU(qemu_get_cpu(0));
158 if (!cpu
|| !cpu
->model
) {
161 return cpu
->model
->def
->hmfai
;
164 uint8_t s390_get_mha_pow(void)
169 cpu
= S390_CPU(qemu_get_cpu(0));
172 if (!cpu
|| !cpu
->model
) {
175 return cpu
->model
->def
->mha_pow
;
178 uint32_t s390_get_ibc_val(void)
180 uint16_t unblocked_ibc
, lowest_ibc
;
184 cpu
= S390_CPU(qemu_get_cpu(0));
187 if (!cpu
|| !cpu
->model
) {
190 unblocked_ibc
= s390_ibc_from_cpu_model(cpu
->model
);
191 lowest_ibc
= cpu
->model
->lowest_ibc
;
192 /* the lowest_ibc always has to be <= unblocked_ibc */
193 if (!lowest_ibc
|| lowest_ibc
> unblocked_ibc
) {
196 return ((uint32_t) lowest_ibc
<< 16) | unblocked_ibc
;
199 void s390_get_feat_block(S390FeatType type
, uint8_t *data
)
204 cpu
= S390_CPU(qemu_get_cpu(0));
207 if (!cpu
|| !cpu
->model
) {
210 s390_fill_feat_block(cpu
->model
->features
, type
, data
);
213 bool s390_has_feat(S390Feat feat
)
218 cpu
= S390_CPU(qemu_get_cpu(0));
221 if (!cpu
|| !cpu
->model
) {
224 if (feat
== S390_FEAT_VECTOR
) {
225 return kvm_check_extension(kvm_state
,
226 KVM_CAP_S390_VECTOR_REGISTERS
);
228 if (feat
== S390_FEAT_RUNTIME_INSTRUMENTATION
) {
229 return kvm_s390_get_ri();
231 if (feat
== S390_FEAT_MSA_EXT_3
) {
236 if (feat
== S390_FEAT_ZPCI
) {
241 return test_bit(feat
, cpu
->model
->features
);
244 uint8_t s390_get_gen_for_cpu_type(uint16_t type
)
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
;
256 const S390CPUDef
*s390_find_cpu_def(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
257 S390FeatBitmap features
)
259 const S390CPUDef
*last_compatible
= NULL
;
260 const S390CPUDef
*matching_cpu_type
= NULL
;
267 gen
= s390_get_gen_for_cpu_type(type
);
270 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
271 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
272 S390FeatBitmap missing
;
274 /* don't even try newer generations if we know the generation */
276 if (def
->gen
> gen
) {
278 } else if (def
->gen
== gen
&& ec_ga
&& def
->ec_ga
> ec_ga
) {
284 /* see if the model satisfies the minimum features */
285 bitmap_andnot(missing
, def
->base_feat
, features
, S390_FEAT_MAX
);
287 * Ignore certain features that are in the base model, but not
288 * relevant for the search (esp. MSA subfunctions).
290 bitmap_andnot(missing
, missing
, ignored_base_feat
, S390_FEAT_MAX
);
291 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
296 /* stop the search if we found the exact model */
297 if (def
->type
== type
&& def
->ec_ga
== ec_ga
) {
300 /* remember if we've at least seen one with the same cpu type */
301 if (def
->type
== type
) {
302 matching_cpu_type
= def
;
304 last_compatible
= def
;
306 /* prefer the model with the same cpu type, esp. don't take the BC for EC */
307 if (matching_cpu_type
) {
308 return matching_cpu_type
;
310 return last_compatible
;
313 static void s390_print_cpu_model_list_entry(gpointer data
, gpointer user_data
)
315 const S390CPUClass
*scc
= S390_CPU_CLASS((ObjectClass
*)data
);
316 char *name
= g_strdup(object_class_get_name((ObjectClass
*)data
));
317 const char *details
= "";
319 if (scc
->is_static
) {
320 details
= "(static, migration-safe)";
321 } else if (scc
->is_migration_safe
) {
322 details
= "(migration-safe)";
325 /* strip off the -s390x-cpu */
326 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
327 qemu_printf("s390 %-15s %-35s %s\n", name
, scc
->desc
, details
);
331 static gint
s390_cpu_list_compare(gconstpointer a
, gconstpointer b
)
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
);
339 * Move qemu, host and max to the top of the list, qemu first, host second,
342 if (name_a
[0] == 'q') {
344 } else if (name_b
[0] == 'q') {
346 } else if (name_a
[0] == 'h') {
348 } else if (name_b
[0] == 'h') {
350 } else if (name_a
[0] == 'm') {
352 } else if (name_b
[0] == 'm') {
356 /* keep the same order we have in our table (sorted by release date) */
357 if (cc_a
->cpu_def
!= cc_b
->cpu_def
) {
358 return cc_a
->cpu_def
- cc_b
->cpu_def
;
361 /* exact same definition - list base model first */
362 return cc_a
->is_static
? -1 : 1;
365 void s390_cpu_list(void)
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
);
376 qemu_printf("\nRecognized feature flags:\n");
377 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
378 const S390FeatDef
*def
= s390_feat_def(feat
);
380 qemu_printf("%-20s %-50s\n", def
->name
, def
->desc
);
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
);
387 qemu_printf("%-20s %-50s\n", def
->name
, def
->desc
);
391 static S390CPUModel
*get_max_cpu_model(Error
**errp
);
393 #ifndef CONFIG_USER_ONLY
394 static void list_add_feat(const char *name
, void *opaque
);
396 static void check_unavailable_features(const S390CPUModel
*max_model
,
397 const S390CPUModel
*model
,
398 strList
**unavailable
)
400 S390FeatBitmap missing
;
402 /* check general model compatibility */
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
);
409 /* detect missing features if any to properly report them */
410 bitmap_andnot(missing
, model
->features
, max_model
->features
,
412 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
413 s390_feat_bitmap_to_ascii(missing
, unavailable
, list_add_feat
);
417 struct CpuDefinitionInfoListData
{
418 CpuDefinitionInfoList
*list
;
422 static void create_cpu_model_list(ObjectClass
*klass
, void *opaque
)
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
);
431 /* strip off the -s390x-cpu */
432 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
433 info
= g_new0(CpuDefinitionInfo
, 1);
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 /* check for unavailable features */
440 if (cpu_list_data
->model
) {
443 obj
= object_new_with_class(klass
);
446 info
->has_unavailable_features
= true;
447 check_unavailable_features(cpu_list_data
->model
, sc
->model
,
448 &info
->unavailable_features
);
453 entry
= g_new0(CpuDefinitionInfoList
, 1);
455 entry
->next
= *cpu_list
;
459 CpuDefinitionInfoList
*qmp_query_cpu_definitions(Error
**errp
)
461 struct CpuDefinitionInfoListData list_data
= {
465 list_data
.model
= get_max_cpu_model(NULL
);
467 object_class_foreach(create_cpu_model_list
, TYPE_S390_CPU
, false,
470 return list_data
.list
;
473 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_with_class(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 if (!visit_start_struct(visitor
, NULL
, NULL
, 0, errp
)) {
518 for (e
= qdict_first(qdict
); e
; e
= qdict_next(qdict
, e
)) {
519 if (!object_property_set(obj
, e
->key
, visitor
, &err
)) {
524 visit_check_struct(visitor
, &err
);
526 visit_end_struct(visitor
, NULL
);
529 error_propagate(errp
, err
);
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
,
595 CpuModelExpansionInfo
*expansion_info
= NULL
;
596 S390CPUModel s390_model
;
597 bool delta_changes
= false;
599 /* convert it to our internal representation */
600 cpu_model_from_info(&s390_model
, model
, &err
);
602 error_propagate(errp
, err
);
606 if (type
== CPU_MODEL_EXPANSION_TYPE_STATIC
) {
607 delta_changes
= true;
608 } else if (type
!= CPU_MODEL_EXPANSION_TYPE_FULL
) {
609 error_setg(errp
, "The requested expansion type is not supported.");
613 /* convert it back to a static representation */
614 expansion_info
= g_new0(CpuModelExpansionInfo
, 1);
615 expansion_info
->model
= g_malloc0(sizeof(*expansion_info
->model
));
616 cpu_info_from_model(expansion_info
->model
, &s390_model
, delta_changes
);
617 return expansion_info
;
620 static void list_add_feat(const char *name
, void *opaque
)
622 strList
**last
= (strList
**) opaque
;
625 entry
= g_new0(strList
, 1);
626 entry
->value
= g_strdup(name
);
631 CpuModelCompareInfo
*qmp_query_cpu_model_comparison(CpuModelInfo
*infoa
,
636 CpuModelCompareResult feat_result
, gen_result
;
637 CpuModelCompareInfo
*compare_info
;
638 S390FeatBitmap missing
, added
;
639 S390CPUModel modela
, modelb
;
641 /* convert both models to our internal representation */
642 cpu_model_from_info(&modela
, infoa
, &err
);
644 error_propagate(errp
, err
);
647 cpu_model_from_info(&modelb
, infob
, &err
);
649 error_propagate(errp
, err
);
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
,
712 CpuModelBaselineInfo
*baseline_info
;
713 S390CPUModel modela
, modelb
, model
;
718 /* convert both models to our internal representation */
719 cpu_model_from_info(&modela
, infoa
, &err
);
721 error_propagate(errp
, err
);
725 cpu_model_from_info(&modelb
, infob
, &err
);
727 error_propagate(errp
, err
);
731 /* features both models support */
732 bitmap_and(model
.features
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
734 /* detect the maximum model not regarding features */
735 if (modela
.def
->gen
== modelb
.def
->gen
) {
736 if (modela
.def
->type
== modelb
.def
->type
) {
737 cpu_type
= modela
.def
->type
;
741 max_gen
= modela
.def
->gen
;
742 max_gen_ga
= MIN(modela
.def
->ec_ga
, modelb
.def
->ec_ga
);
743 } else if (modela
.def
->gen
> modelb
.def
->gen
) {
744 cpu_type
= modelb
.def
->type
;
745 max_gen
= modelb
.def
->gen
;
746 max_gen_ga
= modelb
.def
->ec_ga
;
748 cpu_type
= modela
.def
->type
;
749 max_gen
= modela
.def
->gen
;
750 max_gen_ga
= modela
.def
->ec_ga
;
753 model
.def
= s390_find_cpu_def(cpu_type
, max_gen
, max_gen_ga
,
756 /* models without early base features (esan3) are bad */
758 error_setg(errp
, "No compatible CPU model could be created as"
759 " important base features are disabled");
763 /* strip off features not part of the max model */
764 bitmap_and(model
.features
, model
.features
, model
.def
->full_feat
,
767 baseline_info
= g_new0(CpuModelBaselineInfo
, 1);
768 baseline_info
->model
= g_malloc0(sizeof(*baseline_info
->model
));
769 cpu_info_from_model(baseline_info
->model
, &model
, true);
770 return baseline_info
;
774 static void check_consistency(const S390CPUModel
*model
)
776 static int dep
[][2] = {
777 { S390_FEAT_IPTE_RANGE
, S390_FEAT_DAT_ENH
},
778 { S390_FEAT_IDTE_SEGMENT
, S390_FEAT_DAT_ENH
},
779 { S390_FEAT_IDTE_REGION
, S390_FEAT_DAT_ENH
},
780 { S390_FEAT_IDTE_REGION
, S390_FEAT_IDTE_SEGMENT
},
781 { S390_FEAT_LOCAL_TLB_CLEARING
, S390_FEAT_DAT_ENH
},
782 { S390_FEAT_LONG_DISPLACEMENT_FAST
, S390_FEAT_LONG_DISPLACEMENT
},
783 { S390_FEAT_DFP_FAST
, S390_FEAT_DFP
},
784 { S390_FEAT_TRANSACTIONAL_EXE
, S390_FEAT_STFLE_49
},
785 { S390_FEAT_EDAT_2
, S390_FEAT_EDAT
},
786 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KIMD_SHA_512
},
787 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KLMD_SHA_512
},
788 { S390_FEAT_MSA_EXT_4
, S390_FEAT_MSA_EXT_3
},
789 { S390_FEAT_SIE_CMMA
, S390_FEAT_CMM
},
790 { S390_FEAT_SIE_CMMA
, S390_FEAT_SIE_GSLS
},
791 { S390_FEAT_SIE_PFMFI
, S390_FEAT_EDAT
},
792 { S390_FEAT_MSA_EXT_8
, S390_FEAT_MSA_EXT_3
},
793 { S390_FEAT_MSA_EXT_9
, S390_FEAT_MSA_EXT_3
},
794 { S390_FEAT_MSA_EXT_9
, S390_FEAT_MSA_EXT_4
},
795 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
796 { S390_FEAT_VECTOR_PACKED_DECIMAL
, S390_FEAT_VECTOR
},
797 { S390_FEAT_VECTOR_ENH
, S390_FEAT_VECTOR
},
798 { S390_FEAT_INSTRUCTION_EXEC_PROT
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
799 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
, S390_FEAT_ESOP
},
800 { S390_FEAT_CMM_NT
, S390_FEAT_CMM
},
801 { S390_FEAT_GUARDED_STORAGE
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
802 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_STORE_CLOCK_FAST
},
803 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
804 { S390_FEAT_SEMAPHORE_ASSIST
, S390_FEAT_STFLE_49
},
805 { S390_FEAT_KIMD_SHA3_224
, S390_FEAT_MSA
},
806 { S390_FEAT_KIMD_SHA3_256
, S390_FEAT_MSA
},
807 { S390_FEAT_KIMD_SHA3_384
, S390_FEAT_MSA
},
808 { S390_FEAT_KIMD_SHA3_512
, S390_FEAT_MSA
},
809 { S390_FEAT_KIMD_SHAKE_128
, S390_FEAT_MSA
},
810 { S390_FEAT_KIMD_SHAKE_256
, S390_FEAT_MSA
},
811 { S390_FEAT_KLMD_SHA3_224
, S390_FEAT_MSA
},
812 { S390_FEAT_KLMD_SHA3_256
, S390_FEAT_MSA
},
813 { S390_FEAT_KLMD_SHA3_384
, S390_FEAT_MSA
},
814 { S390_FEAT_KLMD_SHA3_512
, S390_FEAT_MSA
},
815 { S390_FEAT_KLMD_SHAKE_128
, S390_FEAT_MSA
},
816 { S390_FEAT_KLMD_SHAKE_256
, S390_FEAT_MSA
},
817 { S390_FEAT_PRNO_TRNG_QRTCR
, S390_FEAT_MSA_EXT_5
},
818 { S390_FEAT_PRNO_TRNG
, S390_FEAT_MSA_EXT_5
},
819 { S390_FEAT_SIE_KSS
, S390_FEAT_SIE_F2
},
820 { S390_FEAT_AP_QUERY_CONFIG_INFO
, S390_FEAT_AP
},
821 { S390_FEAT_AP_FACILITIES_TEST
, S390_FEAT_AP
},
822 { S390_FEAT_PTFF_QSIE
, S390_FEAT_MULTIPLE_EPOCH
},
823 { S390_FEAT_PTFF_QTOUE
, S390_FEAT_MULTIPLE_EPOCH
},
824 { S390_FEAT_PTFF_STOE
, S390_FEAT_MULTIPLE_EPOCH
},
825 { S390_FEAT_PTFF_STOUE
, S390_FEAT_MULTIPLE_EPOCH
},
826 { S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL
, S390_FEAT_AP
},
830 for (i
= 0; i
< ARRAY_SIZE(dep
); i
++) {
831 if (test_bit(dep
[i
][0], model
->features
) &&
832 !test_bit(dep
[i
][1], model
->features
)) {
833 warn_report("\'%s\' requires \'%s\'.",
834 s390_feat_def(dep
[i
][0])->name
,
835 s390_feat_def(dep
[i
][1])->name
);
840 static void error_prepend_missing_feat(const char *name
, void *opaque
)
842 error_prepend((Error
**) opaque
, "%s ", name
);
845 static void check_compatibility(const S390CPUModel
*max_model
,
846 const S390CPUModel
*model
, Error
**errp
)
848 S390FeatBitmap missing
;
850 if (model
->def
->gen
> max_model
->def
->gen
) {
851 error_setg(errp
, "Selected CPU generation is too new. Maximum "
852 "supported model in the configuration: \'%s\'",
853 max_model
->def
->name
);
855 } else if (model
->def
->gen
== max_model
->def
->gen
&&
856 model
->def
->ec_ga
> max_model
->def
->ec_ga
) {
857 error_setg(errp
, "Selected CPU GA level is too new. Maximum "
858 "supported model in the configuration: \'%s\'",
859 max_model
->def
->name
);
863 /* detect the missing features to properly report them */
864 bitmap_andnot(missing
, model
->features
, max_model
->features
, S390_FEAT_MAX
);
865 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
869 error_setg(errp
, " ");
870 s390_feat_bitmap_to_ascii(missing
, errp
, error_prepend_missing_feat
);
871 error_prepend(errp
, "Some features requested in the CPU model are not "
872 "available in the configuration: ");
875 static S390CPUModel
*get_max_cpu_model(Error
**errp
)
878 static S390CPUModel max_model
;
886 kvm_s390_get_host_cpu_model(&max_model
, &err
);
888 max_model
.def
= s390_find_cpu_def(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
889 QEMU_MAX_CPU_EC_GA
, NULL
);
890 bitmap_copy(max_model
.features
, qemu_max_cpu_feat
, S390_FEAT_MAX
);
893 error_propagate(errp
, err
);
900 static inline void apply_cpu_model(const S390CPUModel
*model
, Error
**errp
)
902 #ifndef CONFIG_USER_ONLY
904 static S390CPUModel applied_model
;
908 * We have the same model for all VCPUs. KVM can only be configured before
909 * any VCPUs are defined in KVM.
912 if (model
&& memcmp(&applied_model
, model
, sizeof(S390CPUModel
))) {
913 error_setg(errp
, "Mixed CPU models are not supported on s390x.");
919 kvm_s390_apply_cpu_model(model
, &err
);
921 error_propagate(errp
, err
);
928 applied_model
= *model
;
933 void s390_realize_cpu_model(CPUState
*cs
, Error
**errp
)
936 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cs
);
937 S390CPU
*cpu
= S390_CPU(cs
);
938 const S390CPUModel
*max_model
;
940 if (xcc
->kvm_required
&& !kvm_enabled()) {
941 error_setg(errp
, "CPU definition requires KVM");
946 /* no host model support -> perform compatibility stuff */
947 apply_cpu_model(NULL
, errp
);
951 max_model
= get_max_cpu_model(errp
);
953 error_prepend(errp
, "CPU models are not available: ");
957 /* copy over properties that can vary */
958 cpu
->model
->lowest_ibc
= max_model
->lowest_ibc
;
959 cpu
->model
->cpu_id
= max_model
->cpu_id
;
960 cpu
->model
->cpu_id_format
= max_model
->cpu_id_format
;
961 cpu
->model
->cpu_ver
= max_model
->cpu_ver
;
963 check_consistency(cpu
->model
);
964 check_compatibility(max_model
, cpu
->model
, &err
);
966 error_propagate(errp
, err
);
970 apply_cpu_model(cpu
->model
, errp
);
972 #if !defined(CONFIG_USER_ONLY)
973 cpu
->env
.cpuid
= s390_cpuid_from_cpu_model(cpu
->model
);
975 /* basic mode, write the cpu address into the first 4 bit of the ID */
976 cpu
->env
.cpuid
= deposit64(cpu
->env
.cpuid
, 54, 4, cpu
->env
.core_id
);
981 static void get_feature(Object
*obj
, Visitor
*v
, const char *name
,
982 void *opaque
, Error
**errp
)
984 S390Feat feat
= (S390Feat
) opaque
;
985 S390CPU
*cpu
= S390_CPU(obj
);
989 error_setg(errp
, "Details about the host CPU model are not available, "
990 "features cannot be queried.");
994 value
= test_bit(feat
, cpu
->model
->features
);
995 visit_type_bool(v
, name
, &value
, errp
);
998 static void set_feature(Object
*obj
, Visitor
*v
, const char *name
,
999 void *opaque
, Error
**errp
)
1001 S390Feat feat
= (S390Feat
) opaque
;
1002 DeviceState
*dev
= DEVICE(obj
);
1003 S390CPU
*cpu
= S390_CPU(obj
);
1006 if (dev
->realized
) {
1007 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1008 "it was realized", name
, object_get_typename(obj
));
1010 } else if (!cpu
->model
) {
1011 error_setg(errp
, "Details about the host CPU model are not available, "
1012 "features cannot be changed.");
1016 if (!visit_type_bool(v
, name
, &value
, errp
)) {
1020 if (!test_bit(feat
, cpu
->model
->def
->full_feat
)) {
1021 error_setg(errp
, "Feature '%s' is not available for CPU model '%s',"
1022 " it was introduced with later models.",
1023 name
, cpu
->model
->def
->name
);
1026 set_bit(feat
, cpu
->model
->features
);
1028 clear_bit(feat
, cpu
->model
->features
);
1032 static void get_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1033 void *opaque
, Error
**errp
)
1035 S390FeatGroup group
= (S390FeatGroup
) opaque
;
1036 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1037 S390CPU
*cpu
= S390_CPU(obj
);
1042 error_setg(errp
, "Details about the host CPU model are not available, "
1043 "features cannot be queried.");
1047 /* a group is enabled if all features are enabled */
1048 bitmap_and(tmp
, cpu
->model
->features
, def
->feat
, S390_FEAT_MAX
);
1049 value
= bitmap_equal(tmp
, def
->feat
, S390_FEAT_MAX
);
1050 visit_type_bool(v
, name
, &value
, errp
);
1053 static void set_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1054 void *opaque
, Error
**errp
)
1056 S390FeatGroup group
= (S390FeatGroup
) opaque
;
1057 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1058 DeviceState
*dev
= DEVICE(obj
);
1059 S390CPU
*cpu
= S390_CPU(obj
);
1062 if (dev
->realized
) {
1063 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1064 "it was realized", name
, object_get_typename(obj
));
1066 } else if (!cpu
->model
) {
1067 error_setg(errp
, "Details about the host CPU model are not available, "
1068 "features cannot be changed.");
1072 if (!visit_type_bool(v
, name
, &value
, errp
)) {
1076 /* groups are added in one shot, so an intersect is sufficient */
1077 if (!bitmap_intersects(def
->feat
, cpu
->model
->def
->full_feat
,
1079 error_setg(errp
, "Group '%s' is not available for CPU model '%s',"
1080 " it was introduced with later models.",
1081 name
, cpu
->model
->def
->name
);
1084 bitmap_or(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1087 bitmap_andnot(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1092 void s390_cpu_model_register_props(Object
*obj
)
1094 S390FeatGroup group
;
1097 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
1098 const S390FeatDef
*def
= s390_feat_def(feat
);
1099 object_property_add(obj
, def
->name
, "bool", get_feature
,
1100 set_feature
, NULL
, (void *) feat
);
1101 object_property_set_description(obj
, def
->name
, def
->desc
);
1103 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
1104 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1105 object_property_add(obj
, def
->name
, "bool", get_feature_group
,
1106 set_feature_group
, NULL
, (void *) group
);
1107 object_property_set_description(obj
, def
->name
, def
->desc
);
1111 static void s390_cpu_model_initfn(Object
*obj
)
1113 S390CPU
*cpu
= S390_CPU(obj
);
1114 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cpu
);
1116 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1117 /* copy the model, so we can modify it */
1118 cpu
->model
->def
= xcc
->cpu_def
;
1119 if (xcc
->is_static
) {
1120 /* base model - features will never change */
1121 bitmap_copy(cpu
->model
->features
, cpu
->model
->def
->base_feat
,
1124 /* latest model - features can change */
1125 bitmap_copy(cpu
->model
->features
,
1126 cpu
->model
->def
->default_feat
, S390_FEAT_MAX
);
1130 static S390CPUDef s390_qemu_cpu_def
;
1131 static S390CPUModel s390_qemu_cpu_model
;
1133 /* Set the qemu CPU model (on machine initialization). Must not be called
1134 * once CPUs have been created.
1136 void s390_set_qemu_cpu_model(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
1137 const S390FeatInit feat_init
)
1139 const S390CPUDef
*def
= s390_find_cpu_def(type
, gen
, ec_ga
, NULL
);
1142 g_assert(QTAILQ_EMPTY_RCU(&cpus
));
1144 /* TCG emulates some features that can usually not be enabled with
1145 * the emulated machine generation. Make sure they can be enabled
1146 * when using the QEMU model by adding them to full_feat. We have
1147 * to copy the definition to do that.
1149 memcpy(&s390_qemu_cpu_def
, def
, sizeof(s390_qemu_cpu_def
));
1150 bitmap_or(s390_qemu_cpu_def
.full_feat
, s390_qemu_cpu_def
.full_feat
,
1151 qemu_max_cpu_feat
, S390_FEAT_MAX
);
1153 /* build the CPU model */
1154 s390_qemu_cpu_model
.def
= &s390_qemu_cpu_def
;
1155 bitmap_zero(s390_qemu_cpu_model
.features
, S390_FEAT_MAX
);
1156 s390_init_feat_bitmap(feat_init
, s390_qemu_cpu_model
.features
);
1159 static void s390_qemu_cpu_model_initfn(Object
*obj
)
1161 S390CPU
*cpu
= S390_CPU(obj
);
1163 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1164 /* copy the CPU model so we can modify it */
1165 memcpy(cpu
->model
, &s390_qemu_cpu_model
, sizeof(*cpu
->model
));
1168 static void s390_max_cpu_model_initfn(Object
*obj
)
1170 const S390CPUModel
*max_model
;
1171 S390CPU
*cpu
= S390_CPU(obj
);
1172 Error
*local_err
= NULL
;
1174 if (kvm_enabled() && !kvm_s390_cpu_models_supported()) {
1175 /* "max" and "host" always work, even without CPU model support */
1179 max_model
= get_max_cpu_model(&local_err
);
1181 /* we expect errors only under KVM, when actually querying the kernel */
1182 g_assert(kvm_enabled());
1183 error_report_err(local_err
);
1184 /* fallback to unsupported CPU models */
1188 cpu
->model
= g_new(S390CPUModel
, 1);
1189 /* copy the CPU model so we can modify it */
1190 memcpy(cpu
->model
, max_model
, sizeof(*cpu
->model
));
1193 static void s390_cpu_model_finalize(Object
*obj
)
1195 S390CPU
*cpu
= S390_CPU(obj
);
1201 static bool get_is_migration_safe(Object
*obj
, Error
**errp
)
1203 return S390_CPU_GET_CLASS(obj
)->is_migration_safe
;
1206 static bool get_is_static(Object
*obj
, Error
**errp
)
1208 return S390_CPU_GET_CLASS(obj
)->is_static
;
1211 static char *get_description(Object
*obj
, Error
**errp
)
1213 return g_strdup(S390_CPU_GET_CLASS(obj
)->desc
);
1216 void s390_cpu_model_class_register_props(ObjectClass
*oc
)
1218 object_class_property_add_bool(oc
, "migration-safe", get_is_migration_safe
,
1220 object_class_property_add_bool(oc
, "static", get_is_static
,
1222 object_class_property_add_str(oc
, "description", get_description
, NULL
);
1226 static void s390_host_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1228 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1230 xcc
->kvm_required
= true;
1231 xcc
->desc
= "KVM only: All recognized features";
1235 static void s390_base_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1237 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1239 /* all base models are migration safe */
1240 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1241 xcc
->is_migration_safe
= true;
1242 xcc
->is_static
= true;
1243 xcc
->desc
= xcc
->cpu_def
->desc
;
1246 static void s390_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1248 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1250 /* model that can change between QEMU versions */
1251 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1252 xcc
->is_migration_safe
= true;
1253 xcc
->desc
= xcc
->cpu_def
->desc
;
1256 static void s390_qemu_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1258 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1260 xcc
->is_migration_safe
= true;
1261 xcc
->desc
= g_strdup_printf("QEMU Virtual CPU version %s",
1265 static void s390_max_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1267 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1270 * The "max" model is neither static nor migration safe. Under KVM
1271 * it represents the "host" model. Under TCG it represents some kind of
1272 * "qemu" CPU model without compat handling and maybe with some additional
1273 * CPU features that are not yet unlocked in the "qemu" model.
1276 "Enables all features supported by the accelerator in the current host";
1279 /* Generate type name for a cpu model. Caller has to free the string. */
1280 static char *s390_cpu_type_name(const char *model_name
)
1282 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name
);
1285 /* Generate type name for a base cpu model. Caller has to free the string. */
1286 static char *s390_base_cpu_type_name(const char *model_name
)
1288 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name
);
1291 ObjectClass
*s390_cpu_class_by_name(const char *name
)
1293 char *typename
= s390_cpu_type_name(name
);
1296 oc
= object_class_by_name(typename
);
1301 static const TypeInfo qemu_s390_cpu_type_info
= {
1302 .name
= S390_CPU_TYPE_NAME("qemu"),
1303 .parent
= TYPE_S390_CPU
,
1304 .instance_init
= s390_qemu_cpu_model_initfn
,
1305 .instance_finalize
= s390_cpu_model_finalize
,
1306 .class_init
= s390_qemu_cpu_model_class_init
,
1309 static const TypeInfo max_s390_cpu_type_info
= {
1310 .name
= S390_CPU_TYPE_NAME("max"),
1311 .parent
= TYPE_S390_CPU
,
1312 .instance_init
= s390_max_cpu_model_initfn
,
1313 .instance_finalize
= s390_cpu_model_finalize
,
1314 .class_init
= s390_max_cpu_model_class_init
,
1318 static const TypeInfo host_s390_cpu_type_info
= {
1319 .name
= S390_CPU_TYPE_NAME("host"),
1320 .parent
= S390_CPU_TYPE_NAME("max"),
1321 .class_init
= s390_host_cpu_model_class_init
,
1325 static void init_ignored_base_feat(void)
1327 static const int feats
[] = {
1328 /* MSA subfunctions that could not be available on certain machines */
1330 S390_FEAT_KMAC_TDEA_128
,
1331 S390_FEAT_KMAC_TDEA_192
,
1333 S390_FEAT_KMC_TDEA_128
,
1334 S390_FEAT_KMC_TDEA_192
,
1336 S390_FEAT_KM_TDEA_128
,
1337 S390_FEAT_KM_TDEA_192
,
1338 S390_FEAT_KIMD_SHA_1
,
1339 S390_FEAT_KLMD_SHA_1
,
1340 /* CSSKE is deprecated on newer generations */
1341 S390_FEAT_CONDITIONAL_SSKE
,
1345 for (i
= 0; i
< ARRAY_SIZE(feats
); i
++) {
1346 set_bit(feats
[i
], ignored_base_feat
);
1350 static void register_types(void)
1352 static const S390FeatInit qemu_latest_init
= { S390_FEAT_LIST_QEMU_LATEST
};
1355 init_ignored_base_feat();
1357 /* init all bitmaps from gnerated data initially */
1358 s390_init_feat_bitmap(qemu_max_cpu_feat_init
, qemu_max_cpu_feat
);
1359 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1360 s390_init_feat_bitmap(s390_cpu_defs
[i
].base_init
,
1361 s390_cpu_defs
[i
].base_feat
);
1362 s390_init_feat_bitmap(s390_cpu_defs
[i
].default_init
,
1363 s390_cpu_defs
[i
].default_feat
);
1364 s390_init_feat_bitmap(s390_cpu_defs
[i
].full_init
,
1365 s390_cpu_defs
[i
].full_feat
);
1368 /* initialize the qemu model with latest definition */
1369 s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
1370 QEMU_MAX_CPU_EC_GA
, qemu_latest_init
);
1372 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1373 char *base_name
= s390_base_cpu_type_name(s390_cpu_defs
[i
].name
);
1374 TypeInfo ti_base
= {
1376 .parent
= TYPE_S390_CPU
,
1377 .instance_init
= s390_cpu_model_initfn
,
1378 .instance_finalize
= s390_cpu_model_finalize
,
1379 .class_init
= s390_base_cpu_model_class_init
,
1380 .class_data
= (void *) &s390_cpu_defs
[i
],
1382 char *name
= s390_cpu_type_name(s390_cpu_defs
[i
].name
);
1385 .parent
= TYPE_S390_CPU
,
1386 .instance_init
= s390_cpu_model_initfn
,
1387 .instance_finalize
= s390_cpu_model_finalize
,
1388 .class_init
= s390_cpu_model_class_init
,
1389 .class_data
= (void *) &s390_cpu_defs
[i
],
1392 type_register_static(&ti_base
);
1393 type_register_static(&ti
);
1398 type_register_static(&qemu_s390_cpu_type_info
);
1399 type_register_static(&max_s390_cpu_type_info
);
1401 type_register_static(&host_s390_cpu_type_info
);
1405 type_init(register_types
)