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 "sysemu/sysemu.h"
30 #include "hw/pci/pci.h"
32 #include "qapi/qapi-commands-machine-target.h"
33 #include "hw/s390x/pv.h"
35 #define CPUDEF_INIT(_type, _gen, _ec_ga, _mha_pow, _hmfai, _name, _desc) \
41 .mha_pow = _mha_pow, \
44 .base_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _BASE }, \
45 .default_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _DEFAULT }, \
46 .full_init = { S390_FEAT_LIST_GEN ## _gen ## _GA ## _ec_ga ## _FULL }, \
50 * CPU definition list in order of release. Up to generation 14 base features
51 * of a following release have been a superset of the previous release. With
52 * generation 15 one base feature and one optional feature have been deprecated.
54 static S390CPUDef s390_cpu_defs
[] = {
55 CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U
, "z900", "IBM zSeries 900 GA1"),
56 CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U
, "z900.2", "IBM zSeries 900 GA2"),
57 CPUDEF_INIT(0x2064, 7, 3, 38, 0x00000000U
, "z900.3", "IBM zSeries 900 GA3"),
58 CPUDEF_INIT(0x2066, 7, 3, 38, 0x00000000U
, "z800", "IBM zSeries 800 GA1"),
59 CPUDEF_INIT(0x2084, 8, 1, 38, 0x00000000U
, "z990", "IBM zSeries 990 GA1"),
60 CPUDEF_INIT(0x2084, 8, 2, 38, 0x00000000U
, "z990.2", "IBM zSeries 990 GA2"),
61 CPUDEF_INIT(0x2084, 8, 3, 38, 0x00000000U
, "z990.3", "IBM zSeries 990 GA3"),
62 CPUDEF_INIT(0x2086, 8, 3, 38, 0x00000000U
, "z890", "IBM zSeries 880 GA1"),
63 CPUDEF_INIT(0x2084, 8, 4, 38, 0x00000000U
, "z990.4", "IBM zSeries 990 GA4"),
64 CPUDEF_INIT(0x2086, 8, 4, 38, 0x00000000U
, "z890.2", "IBM zSeries 880 GA2"),
65 CPUDEF_INIT(0x2084, 8, 5, 38, 0x00000000U
, "z990.5", "IBM zSeries 990 GA5"),
66 CPUDEF_INIT(0x2086, 8, 5, 38, 0x00000000U
, "z890.3", "IBM zSeries 880 GA3"),
67 CPUDEF_INIT(0x2094, 9, 1, 40, 0x00000000U
, "z9EC", "IBM System z9 EC GA1"),
68 CPUDEF_INIT(0x2094, 9, 2, 40, 0x00000000U
, "z9EC.2", "IBM System z9 EC GA2"),
69 CPUDEF_INIT(0x2096, 9, 2, 40, 0x00000000U
, "z9BC", "IBM System z9 BC GA1"),
70 CPUDEF_INIT(0x2094, 9, 3, 40, 0x00000000U
, "z9EC.3", "IBM System z9 EC GA3"),
71 CPUDEF_INIT(0x2096, 9, 3, 40, 0x00000000U
, "z9BC.2", "IBM System z9 BC GA2"),
72 CPUDEF_INIT(0x2097, 10, 1, 43, 0x00000000U
, "z10EC", "IBM System z10 EC GA1"),
73 CPUDEF_INIT(0x2097, 10, 2, 43, 0x00000000U
, "z10EC.2", "IBM System z10 EC GA2"),
74 CPUDEF_INIT(0x2098, 10, 2, 43, 0x00000000U
, "z10BC", "IBM System z10 BC GA1"),
75 CPUDEF_INIT(0x2097, 10, 3, 43, 0x00000000U
, "z10EC.3", "IBM System z10 EC GA3"),
76 CPUDEF_INIT(0x2098, 10, 3, 43, 0x00000000U
, "z10BC.2", "IBM System z10 BC GA2"),
77 CPUDEF_INIT(0x2817, 11, 1, 44, 0x08000000U
, "z196", "IBM zEnterprise 196 GA1"),
78 CPUDEF_INIT(0x2817, 11, 2, 44, 0x08000000U
, "z196.2", "IBM zEnterprise 196 GA2"),
79 CPUDEF_INIT(0x2818, 11, 2, 44, 0x08000000U
, "z114", "IBM zEnterprise 114 GA1"),
80 CPUDEF_INIT(0x2827, 12, 1, 44, 0x08000000U
, "zEC12", "IBM zEnterprise EC12 GA1"),
81 CPUDEF_INIT(0x2827, 12, 2, 44, 0x08000000U
, "zEC12.2", "IBM zEnterprise EC12 GA2"),
82 CPUDEF_INIT(0x2828, 12, 2, 44, 0x08000000U
, "zBC12", "IBM zEnterprise BC12 GA1"),
83 CPUDEF_INIT(0x2964, 13, 1, 47, 0x08000000U
, "z13", "IBM z13 GA1"),
84 CPUDEF_INIT(0x2964, 13, 2, 47, 0x08000000U
, "z13.2", "IBM z13 GA2"),
85 CPUDEF_INIT(0x2965, 13, 2, 47, 0x08000000U
, "z13s", "IBM z13s GA1"),
86 CPUDEF_INIT(0x3906, 14, 1, 47, 0x08000000U
, "z14", "IBM z14 GA1"),
87 CPUDEF_INIT(0x3906, 14, 2, 47, 0x08000000U
, "z14.2", "IBM z14 GA2"),
88 CPUDEF_INIT(0x3907, 14, 1, 47, 0x08000000U
, "z14ZR1", "IBM z14 Model ZR1 GA1"),
89 CPUDEF_INIT(0x8561, 15, 1, 47, 0x08000000U
, "gen15a", "IBM z15 T01 GA1"),
90 CPUDEF_INIT(0x8562, 15, 1, 47, 0x08000000U
, "gen15b", "IBM z15 T02 GA1"),
93 #define QEMU_MAX_CPU_TYPE 0x2964
94 #define QEMU_MAX_CPU_GEN 13
95 #define QEMU_MAX_CPU_EC_GA 2
96 static const S390FeatInit qemu_max_cpu_feat_init
= { S390_FEAT_LIST_QEMU_MAX
};
97 static S390FeatBitmap qemu_max_cpu_feat
;
99 /* features part of a base model but not relevant for finding a base model */
100 S390FeatBitmap ignored_base_feat
;
102 void s390_cpudef_featoff(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
104 const S390CPUDef
*def
;
106 def
= s390_find_cpu_def(0, gen
, ec_ga
, NULL
);
107 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
110 void s390_cpudef_featoff_greater(uint8_t gen
, uint8_t ec_ga
, S390Feat feat
)
114 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
115 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
117 if (def
->gen
< gen
) {
120 if (def
->gen
== gen
&& def
->ec_ga
< ec_ga
) {
124 clear_bit(feat
, (unsigned long *)&def
->default_feat
);
128 void s390_cpudef_group_featoff_greater(uint8_t gen
, uint8_t ec_ga
,
131 const S390FeatGroupDef
*group_def
= s390_feat_group_def(group
);
132 S390FeatBitmap group_def_off
;
135 bitmap_complement(group_def_off
, group_def
->feat
, S390_FEAT_MAX
);
137 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
138 const S390CPUDef
*cpu_def
= &s390_cpu_defs
[i
];
140 if (cpu_def
->gen
< gen
) {
143 if (cpu_def
->gen
== gen
&& cpu_def
->ec_ga
< ec_ga
) {
147 bitmap_and((unsigned long *)&cpu_def
->default_feat
,
148 cpu_def
->default_feat
, group_def_off
, S390_FEAT_MAX
);
152 uint32_t s390_get_hmfai(void)
157 cpu
= S390_CPU(qemu_get_cpu(0));
160 if (!cpu
|| !cpu
->model
) {
163 return cpu
->model
->def
->hmfai
;
166 uint8_t s390_get_mha_pow(void)
171 cpu
= S390_CPU(qemu_get_cpu(0));
174 if (!cpu
|| !cpu
->model
) {
177 return cpu
->model
->def
->mha_pow
;
180 uint32_t s390_get_ibc_val(void)
182 uint16_t unblocked_ibc
, lowest_ibc
;
186 cpu
= S390_CPU(qemu_get_cpu(0));
189 if (!cpu
|| !cpu
->model
) {
192 unblocked_ibc
= s390_ibc_from_cpu_model(cpu
->model
);
193 lowest_ibc
= cpu
->model
->lowest_ibc
;
194 /* the lowest_ibc always has to be <= unblocked_ibc */
195 if (!lowest_ibc
|| lowest_ibc
> unblocked_ibc
) {
198 return ((uint32_t) lowest_ibc
<< 16) | unblocked_ibc
;
201 void s390_get_feat_block(S390FeatType type
, uint8_t *data
)
206 cpu
= S390_CPU(qemu_get_cpu(0));
209 if (!cpu
|| !cpu
->model
) {
212 s390_fill_feat_block(cpu
->model
->features
, type
, data
);
215 bool s390_has_feat(S390Feat feat
)
220 cpu
= S390_CPU(qemu_get_cpu(0));
223 if (!cpu
|| !cpu
->model
) {
226 if (feat
== S390_FEAT_VECTOR
) {
227 return kvm_check_extension(kvm_state
,
228 KVM_CAP_S390_VECTOR_REGISTERS
);
230 if (feat
== S390_FEAT_RUNTIME_INSTRUMENTATION
) {
231 return kvm_s390_get_ri();
233 if (feat
== S390_FEAT_MSA_EXT_3
) {
238 if (feat
== S390_FEAT_ZPCI
) {
246 case S390_FEAT_DIAG_318
:
247 case S390_FEAT_HPMA2
:
248 case S390_FEAT_SIE_F2
:
249 case S390_FEAT_SIE_SKEY
:
250 case S390_FEAT_SIE_GPERE
:
251 case S390_FEAT_SIE_SIIF
:
252 case S390_FEAT_SIE_SIGPIF
:
253 case S390_FEAT_SIE_IB
:
254 case S390_FEAT_SIE_CEI
:
255 case S390_FEAT_SIE_KSS
:
256 case S390_FEAT_SIE_GSLS
:
257 case S390_FEAT_SIE_64BSCAO
:
258 case S390_FEAT_SIE_CMMA
:
259 case S390_FEAT_SIE_PFMFI
:
260 case S390_FEAT_SIE_IBS
:
267 return test_bit(feat
, cpu
->model
->features
);
270 uint8_t s390_get_gen_for_cpu_type(uint16_t type
)
274 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
275 if (s390_cpu_defs
[i
].type
== type
) {
276 return s390_cpu_defs
[i
].gen
;
282 const S390CPUDef
*s390_find_cpu_def(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
283 S390FeatBitmap features
)
285 const S390CPUDef
*last_compatible
= NULL
;
286 const S390CPUDef
*matching_cpu_type
= NULL
;
293 gen
= s390_get_gen_for_cpu_type(type
);
296 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
297 const S390CPUDef
*def
= &s390_cpu_defs
[i
];
298 S390FeatBitmap missing
;
300 /* don't even try newer generations if we know the generation */
302 if (def
->gen
> gen
) {
304 } else if (def
->gen
== gen
&& ec_ga
&& def
->ec_ga
> ec_ga
) {
310 /* see if the model satisfies the minimum features */
311 bitmap_andnot(missing
, def
->base_feat
, features
, S390_FEAT_MAX
);
313 * Ignore certain features that are in the base model, but not
314 * relevant for the search (esp. MSA subfunctions).
316 bitmap_andnot(missing
, missing
, ignored_base_feat
, S390_FEAT_MAX
);
317 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
322 /* stop the search if we found the exact model */
323 if (def
->type
== type
&& def
->ec_ga
== ec_ga
) {
326 /* remember if we've at least seen one with the same cpu type */
327 if (def
->type
== type
) {
328 matching_cpu_type
= def
;
330 last_compatible
= def
;
332 /* prefer the model with the same cpu type, esp. don't take the BC for EC */
333 if (matching_cpu_type
) {
334 return matching_cpu_type
;
336 return last_compatible
;
339 static void s390_print_cpu_model_list_entry(gpointer data
, gpointer user_data
)
341 const S390CPUClass
*scc
= S390_CPU_CLASS((ObjectClass
*)data
);
342 char *name
= g_strdup(object_class_get_name((ObjectClass
*)data
));
343 const char *details
= "";
345 if (scc
->is_static
) {
346 details
= "(static, migration-safe)";
347 } else if (scc
->is_migration_safe
) {
348 details
= "(migration-safe)";
351 /* strip off the -s390x-cpu */
352 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
353 qemu_printf("s390 %-15s %-35s %s\n", name
, scc
->desc
, details
);
357 static gint
s390_cpu_list_compare(gconstpointer a
, gconstpointer b
)
359 const S390CPUClass
*cc_a
= S390_CPU_CLASS((ObjectClass
*)a
);
360 const S390CPUClass
*cc_b
= S390_CPU_CLASS((ObjectClass
*)b
);
361 const char *name_a
= object_class_get_name((ObjectClass
*)a
);
362 const char *name_b
= object_class_get_name((ObjectClass
*)b
);
365 * Move qemu, host and max to the top of the list, qemu first, host second,
368 if (name_a
[0] == 'q') {
370 } else if (name_b
[0] == 'q') {
372 } else if (name_a
[0] == 'h') {
374 } else if (name_b
[0] == 'h') {
376 } else if (name_a
[0] == 'm') {
378 } else if (name_b
[0] == 'm') {
382 /* keep the same order we have in our table (sorted by release date) */
383 if (cc_a
->cpu_def
!= cc_b
->cpu_def
) {
384 return cc_a
->cpu_def
- cc_b
->cpu_def
;
387 /* exact same definition - list base model first */
388 return cc_a
->is_static
? -1 : 1;
391 void s390_cpu_list(void)
397 list
= object_class_get_list(TYPE_S390_CPU
, false);
398 list
= g_slist_sort(list
, s390_cpu_list_compare
);
399 g_slist_foreach(list
, s390_print_cpu_model_list_entry
, NULL
);
402 qemu_printf("\nRecognized feature flags:\n");
403 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
404 const S390FeatDef
*def
= s390_feat_def(feat
);
406 qemu_printf("%-20s %-50s\n", def
->name
, def
->desc
);
409 qemu_printf("\nRecognized feature groups:\n");
410 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
411 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
413 qemu_printf("%-20s %-50s\n", def
->name
, def
->desc
);
417 static S390CPUModel
*get_max_cpu_model(Error
**errp
);
419 #ifndef CONFIG_USER_ONLY
420 static void list_add_feat(const char *name
, void *opaque
);
422 static void check_unavailable_features(const S390CPUModel
*max_model
,
423 const S390CPUModel
*model
,
424 strList
**unavailable
)
426 S390FeatBitmap missing
;
428 /* check general model compatibility */
429 if (max_model
->def
->gen
< model
->def
->gen
||
430 (max_model
->def
->gen
== model
->def
->gen
&&
431 max_model
->def
->ec_ga
< model
->def
->ec_ga
)) {
432 list_add_feat("type", unavailable
);
435 /* detect missing features if any to properly report them */
436 bitmap_andnot(missing
, model
->features
, max_model
->features
,
438 if (!bitmap_empty(missing
, S390_FEAT_MAX
)) {
439 s390_feat_bitmap_to_ascii(missing
, unavailable
, list_add_feat
);
443 struct CpuDefinitionInfoListData
{
444 CpuDefinitionInfoList
*list
;
448 static void create_cpu_model_list(ObjectClass
*klass
, void *opaque
)
450 struct CpuDefinitionInfoListData
*cpu_list_data
= opaque
;
451 CpuDefinitionInfoList
**cpu_list
= &cpu_list_data
->list
;
452 CpuDefinitionInfo
*info
;
453 char *name
= g_strdup(object_class_get_name(klass
));
454 S390CPUClass
*scc
= S390_CPU_CLASS(klass
);
456 /* strip off the -s390x-cpu */
457 g_strrstr(name
, "-" TYPE_S390_CPU
)[0] = 0;
458 info
= g_new0(CpuDefinitionInfo
, 1);
460 info
->has_migration_safe
= true;
461 info
->migration_safe
= scc
->is_migration_safe
;
462 info
->q_static
= scc
->is_static
;
463 info
->q_typename
= g_strdup(object_class_get_name(klass
));
464 /* check for unavailable features */
465 if (cpu_list_data
->model
) {
468 obj
= object_new_with_class(klass
);
471 info
->has_unavailable_features
= true;
472 check_unavailable_features(cpu_list_data
->model
, sc
->model
,
473 &info
->unavailable_features
);
478 QAPI_LIST_PREPEND(*cpu_list
, info
);
481 CpuDefinitionInfoList
*qmp_query_cpu_definitions(Error
**errp
)
483 struct CpuDefinitionInfoListData list_data
= {
487 list_data
.model
= get_max_cpu_model(NULL
);
489 object_class_foreach(create_cpu_model_list
, TYPE_S390_CPU
, false,
492 return list_data
.list
;
495 static void cpu_model_from_info(S390CPUModel
*model
, const CpuModelInfo
*info
,
499 const QDict
*qdict
= NULL
;
507 qdict
= qobject_to(QDict
, info
->props
);
509 error_setg(errp
, QERR_INVALID_PARAMETER_TYPE
, "props", "dict");
514 oc
= cpu_class_by_name(TYPE_S390_CPU
, info
->name
);
516 error_setg(errp
, "The CPU definition \'%s\' is unknown.", info
->name
);
519 if (S390_CPU_CLASS(oc
)->kvm_required
&& !kvm_enabled()) {
520 error_setg(errp
, "The CPU definition '%s' requires KVM", info
->name
);
523 obj
= object_new_with_class(oc
);
527 error_setg(errp
, "Details about the host CPU model are not available, "
528 "it cannot be used.");
534 visitor
= qobject_input_visitor_new(info
->props
);
535 if (!visit_start_struct(visitor
, NULL
, NULL
, 0, errp
)) {
540 for (e
= qdict_first(qdict
); e
; e
= qdict_next(qdict
, e
)) {
541 if (!object_property_set(obj
, e
->key
, visitor
, &err
)) {
546 visit_check_struct(visitor
, &err
);
548 visit_end_struct(visitor
, NULL
);
551 error_propagate(errp
, err
);
557 /* copy the model and throw the cpu away */
558 memcpy(model
, cpu
->model
, sizeof(*model
));
562 static void qdict_add_disabled_feat(const char *name
, void *opaque
)
564 qdict_put_bool(opaque
, name
, false);
567 static void qdict_add_enabled_feat(const char *name
, void *opaque
)
569 qdict_put_bool(opaque
, name
, true);
572 /* convert S390CPUDef into a static CpuModelInfo */
573 static void cpu_info_from_model(CpuModelInfo
*info
, const S390CPUModel
*model
,
576 QDict
*qdict
= qdict_new();
577 S390FeatBitmap bitmap
;
579 /* always fallback to the static base model */
580 info
->name
= g_strdup_printf("%s-base", model
->def
->name
);
583 /* features deleted from the base feature set */
584 bitmap_andnot(bitmap
, model
->def
->base_feat
, model
->features
,
586 if (!bitmap_empty(bitmap
, S390_FEAT_MAX
)) {
587 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_disabled_feat
);
590 /* features added to the base feature set */
591 bitmap_andnot(bitmap
, model
->features
, model
->def
->base_feat
,
593 if (!bitmap_empty(bitmap
, S390_FEAT_MAX
)) {
594 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_enabled_feat
);
597 /* expand all features */
598 s390_feat_bitmap_to_ascii(model
->features
, qdict
,
599 qdict_add_enabled_feat
);
600 bitmap_complement(bitmap
, model
->features
, S390_FEAT_MAX
);
601 s390_feat_bitmap_to_ascii(bitmap
, qdict
, qdict_add_disabled_feat
);
604 if (!qdict_size(qdict
)) {
605 qobject_unref(qdict
);
607 info
->props
= QOBJECT(qdict
);
608 info
->has_props
= true;
612 CpuModelExpansionInfo
*qmp_query_cpu_model_expansion(CpuModelExpansionType type
,
617 CpuModelExpansionInfo
*expansion_info
= NULL
;
618 S390CPUModel s390_model
;
619 bool delta_changes
= false;
621 /* convert it to our internal representation */
622 cpu_model_from_info(&s390_model
, model
, &err
);
624 error_propagate(errp
, err
);
628 if (type
== CPU_MODEL_EXPANSION_TYPE_STATIC
) {
629 delta_changes
= true;
630 } else if (type
!= CPU_MODEL_EXPANSION_TYPE_FULL
) {
631 error_setg(errp
, "The requested expansion type is not supported.");
635 /* convert it back to a static representation */
636 expansion_info
= g_new0(CpuModelExpansionInfo
, 1);
637 expansion_info
->model
= g_malloc0(sizeof(*expansion_info
->model
));
638 cpu_info_from_model(expansion_info
->model
, &s390_model
, delta_changes
);
639 return expansion_info
;
642 static void list_add_feat(const char *name
, void *opaque
)
644 strList
**last
= (strList
**) opaque
;
646 QAPI_LIST_PREPEND(*last
, g_strdup(name
));
649 CpuModelCompareInfo
*qmp_query_cpu_model_comparison(CpuModelInfo
*infoa
,
654 CpuModelCompareResult feat_result
, gen_result
;
655 CpuModelCompareInfo
*compare_info
;
656 S390FeatBitmap missing
, added
;
657 S390CPUModel modela
, modelb
;
659 /* convert both models to our internal representation */
660 cpu_model_from_info(&modela
, infoa
, &err
);
662 error_propagate(errp
, err
);
665 cpu_model_from_info(&modelb
, infob
, &err
);
667 error_propagate(errp
, err
);
670 compare_info
= g_new0(CpuModelCompareInfo
, 1);
672 /* check the cpu generation and ga level */
673 if (modela
.def
->gen
== modelb
.def
->gen
) {
674 if (modela
.def
->ec_ga
== modelb
.def
->ec_ga
) {
675 /* ec and corresponding bc are identical */
676 gen_result
= CPU_MODEL_COMPARE_RESULT_IDENTICAL
;
677 } else if (modela
.def
->ec_ga
< modelb
.def
->ec_ga
) {
678 gen_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
680 gen_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
682 } else if (modela
.def
->gen
< modelb
.def
->gen
) {
683 gen_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
685 gen_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
687 if (gen_result
!= CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
688 /* both models cannot be made identical */
689 list_add_feat("type", &compare_info
->responsible_properties
);
692 /* check the feature set */
693 if (bitmap_equal(modela
.features
, modelb
.features
, S390_FEAT_MAX
)) {
694 feat_result
= CPU_MODEL_COMPARE_RESULT_IDENTICAL
;
696 bitmap_andnot(missing
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
697 s390_feat_bitmap_to_ascii(missing
,
698 &compare_info
->responsible_properties
,
700 bitmap_andnot(added
, modelb
.features
, modela
.features
, S390_FEAT_MAX
);
701 s390_feat_bitmap_to_ascii(added
, &compare_info
->responsible_properties
,
703 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
704 feat_result
= CPU_MODEL_COMPARE_RESULT_SUBSET
;
705 } else if (bitmap_empty(added
, S390_FEAT_MAX
)) {
706 feat_result
= CPU_MODEL_COMPARE_RESULT_SUPERSET
;
708 feat_result
= CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE
;
712 /* combine the results */
713 if (gen_result
== feat_result
) {
714 compare_info
->result
= gen_result
;
715 } else if (feat_result
== CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
716 compare_info
->result
= gen_result
;
717 } else if (gen_result
== CPU_MODEL_COMPARE_RESULT_IDENTICAL
) {
718 compare_info
->result
= feat_result
;
720 compare_info
->result
= CPU_MODEL_COMPARE_RESULT_INCOMPATIBLE
;
725 CpuModelBaselineInfo
*qmp_query_cpu_model_baseline(CpuModelInfo
*infoa
,
730 CpuModelBaselineInfo
*baseline_info
;
731 S390CPUModel modela
, modelb
, model
;
736 /* convert both models to our internal representation */
737 cpu_model_from_info(&modela
, infoa
, &err
);
739 error_propagate(errp
, err
);
743 cpu_model_from_info(&modelb
, infob
, &err
);
745 error_propagate(errp
, err
);
749 /* features both models support */
750 bitmap_and(model
.features
, modela
.features
, modelb
.features
, S390_FEAT_MAX
);
752 /* detect the maximum model not regarding features */
753 if (modela
.def
->gen
== modelb
.def
->gen
) {
754 if (modela
.def
->type
== modelb
.def
->type
) {
755 cpu_type
= modela
.def
->type
;
759 max_gen
= modela
.def
->gen
;
760 max_gen_ga
= MIN(modela
.def
->ec_ga
, modelb
.def
->ec_ga
);
761 } else if (modela
.def
->gen
> modelb
.def
->gen
) {
762 cpu_type
= modelb
.def
->type
;
763 max_gen
= modelb
.def
->gen
;
764 max_gen_ga
= modelb
.def
->ec_ga
;
766 cpu_type
= modela
.def
->type
;
767 max_gen
= modela
.def
->gen
;
768 max_gen_ga
= modela
.def
->ec_ga
;
771 model
.def
= s390_find_cpu_def(cpu_type
, max_gen
, max_gen_ga
,
774 /* models without early base features (esan3) are bad */
776 error_setg(errp
, "No compatible CPU model could be created as"
777 " important base features are disabled");
781 /* strip off features not part of the max model */
782 bitmap_and(model
.features
, model
.features
, model
.def
->full_feat
,
785 baseline_info
= g_new0(CpuModelBaselineInfo
, 1);
786 baseline_info
->model
= g_malloc0(sizeof(*baseline_info
->model
));
787 cpu_info_from_model(baseline_info
->model
, &model
, true);
788 return baseline_info
;
792 static void check_consistency(const S390CPUModel
*model
)
794 static int dep
[][2] = {
795 { S390_FEAT_IPTE_RANGE
, S390_FEAT_DAT_ENH
},
796 { S390_FEAT_IDTE_SEGMENT
, S390_FEAT_DAT_ENH
},
797 { S390_FEAT_IDTE_REGION
, S390_FEAT_DAT_ENH
},
798 { S390_FEAT_IDTE_REGION
, S390_FEAT_IDTE_SEGMENT
},
799 { S390_FEAT_LOCAL_TLB_CLEARING
, S390_FEAT_DAT_ENH
},
800 { S390_FEAT_LONG_DISPLACEMENT_FAST
, S390_FEAT_LONG_DISPLACEMENT
},
801 { S390_FEAT_DFP_FAST
, S390_FEAT_DFP
},
802 { S390_FEAT_TRANSACTIONAL_EXE
, S390_FEAT_STFLE_49
},
803 { S390_FEAT_EDAT_2
, S390_FEAT_EDAT
},
804 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KIMD_SHA_512
},
805 { S390_FEAT_MSA_EXT_5
, S390_FEAT_KLMD_SHA_512
},
806 { S390_FEAT_MSA_EXT_4
, S390_FEAT_MSA_EXT_3
},
807 { S390_FEAT_SIE_CMMA
, S390_FEAT_CMM
},
808 { S390_FEAT_SIE_CMMA
, S390_FEAT_SIE_GSLS
},
809 { S390_FEAT_SIE_PFMFI
, S390_FEAT_EDAT
},
810 { S390_FEAT_MSA_EXT_8
, S390_FEAT_MSA_EXT_3
},
811 { S390_FEAT_MSA_EXT_9
, S390_FEAT_MSA_EXT_3
},
812 { S390_FEAT_MSA_EXT_9
, S390_FEAT_MSA_EXT_4
},
813 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
814 { S390_FEAT_VECTOR_PACKED_DECIMAL
, S390_FEAT_VECTOR
},
815 { S390_FEAT_VECTOR_ENH
, S390_FEAT_VECTOR
},
816 { S390_FEAT_INSTRUCTION_EXEC_PROT
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
817 { S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
, S390_FEAT_ESOP
},
818 { S390_FEAT_CMM_NT
, S390_FEAT_CMM
},
819 { S390_FEAT_GUARDED_STORAGE
, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2
},
820 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_STORE_CLOCK_FAST
},
821 { S390_FEAT_MULTIPLE_EPOCH
, S390_FEAT_TOD_CLOCK_STEERING
},
822 { S390_FEAT_SEMAPHORE_ASSIST
, S390_FEAT_STFLE_49
},
823 { S390_FEAT_KIMD_SHA3_224
, S390_FEAT_MSA
},
824 { S390_FEAT_KIMD_SHA3_256
, S390_FEAT_MSA
},
825 { S390_FEAT_KIMD_SHA3_384
, S390_FEAT_MSA
},
826 { S390_FEAT_KIMD_SHA3_512
, S390_FEAT_MSA
},
827 { S390_FEAT_KIMD_SHAKE_128
, S390_FEAT_MSA
},
828 { S390_FEAT_KIMD_SHAKE_256
, S390_FEAT_MSA
},
829 { S390_FEAT_KLMD_SHA3_224
, S390_FEAT_MSA
},
830 { S390_FEAT_KLMD_SHA3_256
, S390_FEAT_MSA
},
831 { S390_FEAT_KLMD_SHA3_384
, S390_FEAT_MSA
},
832 { S390_FEAT_KLMD_SHA3_512
, S390_FEAT_MSA
},
833 { S390_FEAT_KLMD_SHAKE_128
, S390_FEAT_MSA
},
834 { S390_FEAT_KLMD_SHAKE_256
, S390_FEAT_MSA
},
835 { S390_FEAT_PRNO_TRNG_QRTCR
, S390_FEAT_MSA_EXT_5
},
836 { S390_FEAT_PRNO_TRNG
, S390_FEAT_MSA_EXT_5
},
837 { S390_FEAT_SIE_KSS
, S390_FEAT_SIE_F2
},
838 { S390_FEAT_AP_QUERY_CONFIG_INFO
, S390_FEAT_AP
},
839 { S390_FEAT_AP_FACILITIES_TEST
, S390_FEAT_AP
},
840 { S390_FEAT_PTFF_QSIE
, S390_FEAT_MULTIPLE_EPOCH
},
841 { S390_FEAT_PTFF_QTOUE
, S390_FEAT_MULTIPLE_EPOCH
},
842 { S390_FEAT_PTFF_STOE
, S390_FEAT_MULTIPLE_EPOCH
},
843 { S390_FEAT_PTFF_STOUE
, S390_FEAT_MULTIPLE_EPOCH
},
844 { S390_FEAT_AP_QUEUE_INTERRUPT_CONTROL
, S390_FEAT_AP
},
845 { S390_FEAT_DIAG_318
, S390_FEAT_EXTENDED_LENGTH_SCCB
},
849 for (i
= 0; i
< ARRAY_SIZE(dep
); i
++) {
850 if (test_bit(dep
[i
][0], model
->features
) &&
851 !test_bit(dep
[i
][1], model
->features
)) {
852 warn_report("\'%s\' requires \'%s\'.",
853 s390_feat_def(dep
[i
][0])->name
,
854 s390_feat_def(dep
[i
][1])->name
);
859 static void error_prepend_missing_feat(const char *name
, void *opaque
)
861 error_prepend((Error
**) opaque
, "%s ", name
);
864 static void check_compatibility(const S390CPUModel
*max_model
,
865 const S390CPUModel
*model
, Error
**errp
)
867 S390FeatBitmap missing
;
869 if (model
->def
->gen
> max_model
->def
->gen
) {
870 error_setg(errp
, "Selected CPU generation is too new. Maximum "
871 "supported model in the configuration: \'%s\'",
872 max_model
->def
->name
);
874 } else if (model
->def
->gen
== max_model
->def
->gen
&&
875 model
->def
->ec_ga
> max_model
->def
->ec_ga
) {
876 error_setg(errp
, "Selected CPU GA level is too new. Maximum "
877 "supported model in the configuration: \'%s\'",
878 max_model
->def
->name
);
882 #ifndef CONFIG_USER_ONLY
883 if (only_migratable
&& test_bit(S390_FEAT_UNPACK
, model
->features
)) {
884 error_setg(errp
, "The unpack facility is not compatible with "
885 "the --only-migratable option. You must remove either "
886 "the 'unpack' facility or the --only-migratable option");
891 /* detect the missing features to properly report them */
892 bitmap_andnot(missing
, model
->features
, max_model
->features
, S390_FEAT_MAX
);
893 if (bitmap_empty(missing
, S390_FEAT_MAX
)) {
897 error_setg(errp
, " ");
898 s390_feat_bitmap_to_ascii(missing
, errp
, error_prepend_missing_feat
);
899 error_prepend(errp
, "Some features requested in the CPU model are not "
900 "available in the configuration: ");
903 static S390CPUModel
*get_max_cpu_model(Error
**errp
)
906 static S390CPUModel max_model
;
914 kvm_s390_get_host_cpu_model(&max_model
, &err
);
916 max_model
.def
= s390_find_cpu_def(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
917 QEMU_MAX_CPU_EC_GA
, NULL
);
918 bitmap_copy(max_model
.features
, qemu_max_cpu_feat
, S390_FEAT_MAX
);
921 error_propagate(errp
, err
);
928 static inline void apply_cpu_model(const S390CPUModel
*model
, Error
**errp
)
930 #ifndef CONFIG_USER_ONLY
932 static S390CPUModel applied_model
;
936 * We have the same model for all VCPUs. KVM can only be configured before
937 * any VCPUs are defined in KVM.
940 if (model
&& memcmp(&applied_model
, model
, sizeof(S390CPUModel
))) {
941 error_setg(errp
, "Mixed CPU models are not supported on s390x.");
947 kvm_s390_apply_cpu_model(model
, &err
);
949 error_propagate(errp
, err
);
956 applied_model
= *model
;
961 void s390_realize_cpu_model(CPUState
*cs
, Error
**errp
)
964 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cs
);
965 S390CPU
*cpu
= S390_CPU(cs
);
966 const S390CPUModel
*max_model
;
968 if (xcc
->kvm_required
&& !kvm_enabled()) {
969 error_setg(errp
, "CPU definition requires KVM");
974 /* no host model support -> perform compatibility stuff */
975 apply_cpu_model(NULL
, errp
);
979 max_model
= get_max_cpu_model(errp
);
981 error_prepend(errp
, "CPU models are not available: ");
985 /* copy over properties that can vary */
986 cpu
->model
->lowest_ibc
= max_model
->lowest_ibc
;
987 cpu
->model
->cpu_id
= max_model
->cpu_id
;
988 cpu
->model
->cpu_id_format
= max_model
->cpu_id_format
;
989 cpu
->model
->cpu_ver
= max_model
->cpu_ver
;
991 check_consistency(cpu
->model
);
992 check_compatibility(max_model
, cpu
->model
, &err
);
994 error_propagate(errp
, err
);
998 apply_cpu_model(cpu
->model
, errp
);
1000 #if !defined(CONFIG_USER_ONLY)
1001 cpu
->env
.cpuid
= s390_cpuid_from_cpu_model(cpu
->model
);
1002 if (tcg_enabled()) {
1003 /* basic mode, write the cpu address into the first 4 bit of the ID */
1004 cpu
->env
.cpuid
= deposit64(cpu
->env
.cpuid
, 54, 4, cpu
->env
.core_id
);
1009 static void get_feature(Object
*obj
, Visitor
*v
, const char *name
,
1010 void *opaque
, Error
**errp
)
1012 S390Feat feat
= (S390Feat
) (uintptr_t) opaque
;
1013 S390CPU
*cpu
= S390_CPU(obj
);
1017 error_setg(errp
, "Details about the host CPU model are not available, "
1018 "features cannot be queried.");
1022 value
= test_bit(feat
, cpu
->model
->features
);
1023 visit_type_bool(v
, name
, &value
, errp
);
1026 static void set_feature(Object
*obj
, Visitor
*v
, const char *name
,
1027 void *opaque
, Error
**errp
)
1029 S390Feat feat
= (S390Feat
) (uintptr_t) opaque
;
1030 DeviceState
*dev
= DEVICE(obj
);
1031 S390CPU
*cpu
= S390_CPU(obj
);
1034 if (dev
->realized
) {
1035 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1036 "it was realized", name
, object_get_typename(obj
));
1038 } else if (!cpu
->model
) {
1039 error_setg(errp
, "Details about the host CPU model are not available, "
1040 "features cannot be changed.");
1044 if (!visit_type_bool(v
, name
, &value
, errp
)) {
1048 if (!test_bit(feat
, cpu
->model
->def
->full_feat
)) {
1049 error_setg(errp
, "Feature '%s' is not available for CPU model '%s',"
1050 " it was introduced with later models.",
1051 name
, cpu
->model
->def
->name
);
1054 set_bit(feat
, cpu
->model
->features
);
1056 clear_bit(feat
, cpu
->model
->features
);
1060 static void get_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1061 void *opaque
, Error
**errp
)
1063 S390FeatGroup group
= (S390FeatGroup
) (uintptr_t) opaque
;
1064 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1065 S390CPU
*cpu
= S390_CPU(obj
);
1070 error_setg(errp
, "Details about the host CPU model are not available, "
1071 "features cannot be queried.");
1075 /* a group is enabled if all features are enabled */
1076 bitmap_and(tmp
, cpu
->model
->features
, def
->feat
, S390_FEAT_MAX
);
1077 value
= bitmap_equal(tmp
, def
->feat
, S390_FEAT_MAX
);
1078 visit_type_bool(v
, name
, &value
, errp
);
1081 static void set_feature_group(Object
*obj
, Visitor
*v
, const char *name
,
1082 void *opaque
, Error
**errp
)
1084 S390FeatGroup group
= (S390FeatGroup
) (uintptr_t) opaque
;
1085 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1086 DeviceState
*dev
= DEVICE(obj
);
1087 S390CPU
*cpu
= S390_CPU(obj
);
1090 if (dev
->realized
) {
1091 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1092 "it was realized", name
, object_get_typename(obj
));
1094 } else if (!cpu
->model
) {
1095 error_setg(errp
, "Details about the host CPU model are not available, "
1096 "features cannot be changed.");
1100 if (!visit_type_bool(v
, name
, &value
, errp
)) {
1104 /* groups are added in one shot, so an intersect is sufficient */
1105 if (!bitmap_intersects(def
->feat
, cpu
->model
->def
->full_feat
,
1107 error_setg(errp
, "Group '%s' is not available for CPU model '%s',"
1108 " it was introduced with later models.",
1109 name
, cpu
->model
->def
->name
);
1112 bitmap_or(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1115 bitmap_andnot(cpu
->model
->features
, cpu
->model
->features
, def
->feat
,
1120 static void s390_cpu_model_initfn(Object
*obj
)
1122 S390CPU
*cpu
= S390_CPU(obj
);
1123 S390CPUClass
*xcc
= S390_CPU_GET_CLASS(cpu
);
1125 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1126 /* copy the model, so we can modify it */
1127 cpu
->model
->def
= xcc
->cpu_def
;
1128 if (xcc
->is_static
) {
1129 /* base model - features will never change */
1130 bitmap_copy(cpu
->model
->features
, cpu
->model
->def
->base_feat
,
1133 /* latest model - features can change */
1134 bitmap_copy(cpu
->model
->features
,
1135 cpu
->model
->def
->default_feat
, S390_FEAT_MAX
);
1139 static S390CPUDef s390_qemu_cpu_def
;
1140 static S390CPUModel s390_qemu_cpu_model
;
1142 /* Set the qemu CPU model (on machine initialization). Must not be called
1143 * once CPUs have been created.
1145 void s390_set_qemu_cpu_model(uint16_t type
, uint8_t gen
, uint8_t ec_ga
,
1146 const S390FeatInit feat_init
)
1148 const S390CPUDef
*def
= s390_find_cpu_def(type
, gen
, ec_ga
, NULL
);
1151 g_assert(QTAILQ_EMPTY_RCU(&cpus
));
1153 /* TCG emulates some features that can usually not be enabled with
1154 * the emulated machine generation. Make sure they can be enabled
1155 * when using the QEMU model by adding them to full_feat. We have
1156 * to copy the definition to do that.
1158 memcpy(&s390_qemu_cpu_def
, def
, sizeof(s390_qemu_cpu_def
));
1159 bitmap_or(s390_qemu_cpu_def
.full_feat
, s390_qemu_cpu_def
.full_feat
,
1160 qemu_max_cpu_feat
, S390_FEAT_MAX
);
1162 /* build the CPU model */
1163 s390_qemu_cpu_model
.def
= &s390_qemu_cpu_def
;
1164 bitmap_zero(s390_qemu_cpu_model
.features
, S390_FEAT_MAX
);
1165 s390_init_feat_bitmap(feat_init
, s390_qemu_cpu_model
.features
);
1168 static void s390_qemu_cpu_model_initfn(Object
*obj
)
1170 S390CPU
*cpu
= S390_CPU(obj
);
1172 cpu
->model
= g_malloc0(sizeof(*cpu
->model
));
1173 /* copy the CPU model so we can modify it */
1174 memcpy(cpu
->model
, &s390_qemu_cpu_model
, sizeof(*cpu
->model
));
1177 static void s390_max_cpu_model_initfn(Object
*obj
)
1179 const S390CPUModel
*max_model
;
1180 S390CPU
*cpu
= S390_CPU(obj
);
1181 Error
*local_err
= NULL
;
1183 if (kvm_enabled() && !kvm_s390_cpu_models_supported()) {
1184 /* "max" and "host" always work, even without CPU model support */
1188 max_model
= get_max_cpu_model(&local_err
);
1190 /* we expect errors only under KVM, when actually querying the kernel */
1191 g_assert(kvm_enabled());
1192 error_report_err(local_err
);
1193 /* fallback to unsupported CPU models */
1197 cpu
->model
= g_new(S390CPUModel
, 1);
1198 /* copy the CPU model so we can modify it */
1199 memcpy(cpu
->model
, max_model
, sizeof(*cpu
->model
));
1202 static void s390_cpu_model_finalize(Object
*obj
)
1204 S390CPU
*cpu
= S390_CPU(obj
);
1210 static bool get_is_migration_safe(Object
*obj
, Error
**errp
)
1212 return S390_CPU_GET_CLASS(obj
)->is_migration_safe
;
1215 static bool get_is_static(Object
*obj
, Error
**errp
)
1217 return S390_CPU_GET_CLASS(obj
)->is_static
;
1220 static char *get_description(Object
*obj
, Error
**errp
)
1222 return g_strdup(S390_CPU_GET_CLASS(obj
)->desc
);
1225 void s390_cpu_model_class_register_props(ObjectClass
*oc
)
1227 S390FeatGroup group
;
1230 object_class_property_add_bool(oc
, "migration-safe", get_is_migration_safe
,
1232 object_class_property_add_bool(oc
, "static", get_is_static
,
1234 object_class_property_add_str(oc
, "description", get_description
, NULL
);
1236 for (feat
= 0; feat
< S390_FEAT_MAX
; feat
++) {
1237 const S390FeatDef
*def
= s390_feat_def(feat
);
1238 object_class_property_add(oc
, def
->name
, "bool", get_feature
,
1239 set_feature
, NULL
, (void *) feat
);
1240 object_class_property_set_description(oc
, def
->name
, def
->desc
);
1242 for (group
= 0; group
< S390_FEAT_GROUP_MAX
; group
++) {
1243 const S390FeatGroupDef
*def
= s390_feat_group_def(group
);
1244 object_class_property_add(oc
, def
->name
, "bool", get_feature_group
,
1245 set_feature_group
, NULL
, (void *) group
);
1246 object_class_property_set_description(oc
, def
->name
, def
->desc
);
1251 static void s390_host_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1253 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1255 xcc
->kvm_required
= true;
1256 xcc
->desc
= "KVM only: All recognized features";
1260 static void s390_base_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1262 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1264 /* all base models are migration safe */
1265 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1266 xcc
->is_migration_safe
= true;
1267 xcc
->is_static
= true;
1268 xcc
->desc
= xcc
->cpu_def
->desc
;
1271 static void s390_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1273 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1275 /* model that can change between QEMU versions */
1276 xcc
->cpu_def
= (const S390CPUDef
*) data
;
1277 xcc
->is_migration_safe
= true;
1278 xcc
->desc
= xcc
->cpu_def
->desc
;
1281 static void s390_qemu_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1283 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1285 xcc
->is_migration_safe
= true;
1286 xcc
->desc
= g_strdup_printf("QEMU Virtual CPU version %s",
1290 static void s390_max_cpu_model_class_init(ObjectClass
*oc
, void *data
)
1292 S390CPUClass
*xcc
= S390_CPU_CLASS(oc
);
1295 * The "max" model is neither static nor migration safe. Under KVM
1296 * it represents the "host" model. Under TCG it represents some kind of
1297 * "qemu" CPU model without compat handling and maybe with some additional
1298 * CPU features that are not yet unlocked in the "qemu" model.
1301 "Enables all features supported by the accelerator in the current host";
1304 /* Generate type name for a cpu model. Caller has to free the string. */
1305 static char *s390_cpu_type_name(const char *model_name
)
1307 return g_strdup_printf(S390_CPU_TYPE_NAME("%s"), model_name
);
1310 /* Generate type name for a base cpu model. Caller has to free the string. */
1311 static char *s390_base_cpu_type_name(const char *model_name
)
1313 return g_strdup_printf(S390_CPU_TYPE_NAME("%s-base"), model_name
);
1316 ObjectClass
*s390_cpu_class_by_name(const char *name
)
1318 char *typename
= s390_cpu_type_name(name
);
1321 oc
= object_class_by_name(typename
);
1326 static const TypeInfo qemu_s390_cpu_type_info
= {
1327 .name
= S390_CPU_TYPE_NAME("qemu"),
1328 .parent
= TYPE_S390_CPU
,
1329 .instance_init
= s390_qemu_cpu_model_initfn
,
1330 .instance_finalize
= s390_cpu_model_finalize
,
1331 .class_init
= s390_qemu_cpu_model_class_init
,
1334 static const TypeInfo max_s390_cpu_type_info
= {
1335 .name
= S390_CPU_TYPE_NAME("max"),
1336 .parent
= TYPE_S390_CPU
,
1337 .instance_init
= s390_max_cpu_model_initfn
,
1338 .instance_finalize
= s390_cpu_model_finalize
,
1339 .class_init
= s390_max_cpu_model_class_init
,
1343 static const TypeInfo host_s390_cpu_type_info
= {
1344 .name
= S390_CPU_TYPE_NAME("host"),
1345 .parent
= S390_CPU_TYPE_NAME("max"),
1346 .class_init
= s390_host_cpu_model_class_init
,
1350 static void init_ignored_base_feat(void)
1352 static const int feats
[] = {
1353 /* MSA subfunctions that could not be available on certain machines */
1355 S390_FEAT_KMAC_TDEA_128
,
1356 S390_FEAT_KMAC_TDEA_192
,
1358 S390_FEAT_KMC_TDEA_128
,
1359 S390_FEAT_KMC_TDEA_192
,
1361 S390_FEAT_KM_TDEA_128
,
1362 S390_FEAT_KM_TDEA_192
,
1363 S390_FEAT_KIMD_SHA_1
,
1364 S390_FEAT_KLMD_SHA_1
,
1365 /* CSSKE is deprecated on newer generations */
1366 S390_FEAT_CONDITIONAL_SSKE
,
1370 for (i
= 0; i
< ARRAY_SIZE(feats
); i
++) {
1371 set_bit(feats
[i
], ignored_base_feat
);
1375 static void register_types(void)
1377 static const S390FeatInit qemu_latest_init
= { S390_FEAT_LIST_QEMU_LATEST
};
1380 init_ignored_base_feat();
1382 /* init all bitmaps from gnerated data initially */
1383 s390_init_feat_bitmap(qemu_max_cpu_feat_init
, qemu_max_cpu_feat
);
1384 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1385 s390_init_feat_bitmap(s390_cpu_defs
[i
].base_init
,
1386 s390_cpu_defs
[i
].base_feat
);
1387 s390_init_feat_bitmap(s390_cpu_defs
[i
].default_init
,
1388 s390_cpu_defs
[i
].default_feat
);
1389 s390_init_feat_bitmap(s390_cpu_defs
[i
].full_init
,
1390 s390_cpu_defs
[i
].full_feat
);
1393 /* initialize the qemu model with latest definition */
1394 s390_set_qemu_cpu_model(QEMU_MAX_CPU_TYPE
, QEMU_MAX_CPU_GEN
,
1395 QEMU_MAX_CPU_EC_GA
, qemu_latest_init
);
1397 for (i
= 0; i
< ARRAY_SIZE(s390_cpu_defs
); i
++) {
1398 char *base_name
= s390_base_cpu_type_name(s390_cpu_defs
[i
].name
);
1399 TypeInfo ti_base
= {
1401 .parent
= TYPE_S390_CPU
,
1402 .instance_init
= s390_cpu_model_initfn
,
1403 .instance_finalize
= s390_cpu_model_finalize
,
1404 .class_init
= s390_base_cpu_model_class_init
,
1405 .class_data
= (void *) &s390_cpu_defs
[i
],
1407 char *name
= s390_cpu_type_name(s390_cpu_defs
[i
].name
);
1410 .parent
= TYPE_S390_CPU
,
1411 .instance_init
= s390_cpu_model_initfn
,
1412 .instance_finalize
= s390_cpu_model_finalize
,
1413 .class_init
= s390_cpu_model_class_init
,
1414 .class_data
= (void *) &s390_cpu_defs
[i
],
1417 type_register_static(&ti_base
);
1418 type_register_static(&ti
);
1423 type_register_static(&qemu_s390_cpu_type_info
);
1424 type_register_static(&max_s390_cpu_type_info
);
1426 type_register_static(&host_s390_cpu_type_info
);
1430 type_init(register_types
)