xref: /openbmc/qemu/hw/s390x/s390-virtio-ccw.c (revision fc59d2d8)
1 /*
2  * virtio ccw machine
3  *
4  * Copyright 2012 IBM Corp.
5  * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
6  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
7  *
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
10  * directory.
11  */
12 
13 #include "qemu/osdep.h"
14 #include "qapi/error.h"
15 #include "cpu.h"
16 #include "hw/boards.h"
17 #include "exec/address-spaces.h"
18 #include "exec/ram_addr.h"
19 #include "hw/s390x/s390-virtio-hcall.h"
20 #include "hw/s390x/sclp.h"
21 #include "hw/s390x/s390_flic.h"
22 #include "hw/s390x/ioinst.h"
23 #include "hw/s390x/css.h"
24 #include "virtio-ccw.h"
25 #include "qemu/config-file.h"
26 #include "qemu/ctype.h"
27 #include "qemu/error-report.h"
28 #include "qemu/option.h"
29 #include "s390-pci-bus.h"
30 #include "sysemu/reset.h"
31 #include "hw/s390x/storage-keys.h"
32 #include "hw/s390x/storage-attributes.h"
33 #include "hw/s390x/event-facility.h"
34 #include "ipl.h"
35 #include "hw/s390x/s390-virtio-ccw.h"
36 #include "hw/s390x/css-bridge.h"
37 #include "hw/s390x/ap-bridge.h"
38 #include "migration/register.h"
39 #include "cpu_models.h"
40 #include "hw/nmi.h"
41 #include "hw/qdev-properties.h"
42 #include "hw/s390x/tod.h"
43 #include "sysemu/sysemu.h"
44 
45 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
46 {
47     static MachineState *ms;
48 
49     if (!ms) {
50         ms = MACHINE(qdev_get_machine());
51         g_assert(ms->possible_cpus);
52     }
53 
54     /* CPU address corresponds to the core_id and the index */
55     if (cpu_addr >= ms->possible_cpus->len) {
56         return NULL;
57     }
58     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
59 }
60 
61 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
62                               Error **errp)
63 {
64     S390CPU *cpu = S390_CPU(object_new(typename));
65     Error *err = NULL;
66 
67     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
68     if (err != NULL) {
69         goto out;
70     }
71     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
72 
73 out:
74     object_unref(OBJECT(cpu));
75     if (err) {
76         error_propagate(errp, err);
77         cpu = NULL;
78     }
79     return cpu;
80 }
81 
82 static void s390_init_cpus(MachineState *machine)
83 {
84     MachineClass *mc = MACHINE_GET_CLASS(machine);
85     int i;
86 
87     /* initialize possible_cpus */
88     mc->possible_cpu_arch_ids(machine);
89 
90     for (i = 0; i < machine->smp.cpus; i++) {
91         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
92     }
93 }
94 
95 static const char *const reset_dev_types[] = {
96     TYPE_VIRTUAL_CSS_BRIDGE,
97     "s390-sclp-event-facility",
98     "s390-flic",
99     "diag288",
100 };
101 
102 static void subsystem_reset(void)
103 {
104     DeviceState *dev;
105     int i;
106 
107     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
108         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
109         if (dev) {
110             qdev_reset_all(dev);
111         }
112     }
113 }
114 
115 static int virtio_ccw_hcall_notify(const uint64_t *args)
116 {
117     uint64_t subch_id = args[0];
118     uint64_t queue = args[1];
119     SubchDev *sch;
120     int cssid, ssid, schid, m;
121 
122     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
123         return -EINVAL;
124     }
125     sch = css_find_subch(m, cssid, ssid, schid);
126     if (!sch || !css_subch_visible(sch)) {
127         return -EINVAL;
128     }
129     if (queue >= VIRTIO_QUEUE_MAX) {
130         return -EINVAL;
131     }
132     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
133     return 0;
134 
135 }
136 
137 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
138 {
139     uint64_t mem = args[0];
140 
141     if (mem < ram_size) {
142         /* Early printk */
143         return 0;
144     }
145     return -EINVAL;
146 }
147 
148 static void virtio_ccw_register_hcalls(void)
149 {
150     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
151                                    virtio_ccw_hcall_notify);
152     /* Tolerate early printk. */
153     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
154                                    virtio_ccw_hcall_early_printk);
155 }
156 
157 static void s390_memory_init(ram_addr_t mem_size)
158 {
159     MemoryRegion *sysmem = get_system_memory();
160     MemoryRegion *ram = g_new(MemoryRegion, 1);
161     Error *local_err = NULL;
162 
163     /* allocate RAM for core */
164     memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
165     memory_region_add_subregion(sysmem, 0, ram);
166 
167     /*
168      * Configure the maximum page size. As no memory devices were created
169      * yet, this is the page size of initial memory only.
170      */
171     s390_set_max_pagesize(qemu_maxrampagesize(), &local_err);
172     if (local_err) {
173         error_report_err(local_err);
174         exit(EXIT_FAILURE);
175     }
176     /* Initialize storage key device */
177     s390_skeys_init();
178     /* Initialize storage attributes device */
179     s390_stattrib_init();
180 }
181 
182 static void s390_init_ipl_dev(const char *kernel_filename,
183                               const char *kernel_cmdline,
184                               const char *initrd_filename, const char *firmware,
185                               const char *netboot_fw, bool enforce_bios)
186 {
187     Object *new = object_new(TYPE_S390_IPL);
188     DeviceState *dev = DEVICE(new);
189     char *netboot_fw_prop;
190 
191     if (kernel_filename) {
192         qdev_prop_set_string(dev, "kernel", kernel_filename);
193     }
194     if (initrd_filename) {
195         qdev_prop_set_string(dev, "initrd", initrd_filename);
196     }
197     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
198     qdev_prop_set_string(dev, "firmware", firmware);
199     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
200     netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
201     if (!strlen(netboot_fw_prop)) {
202         qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
203     }
204     g_free(netboot_fw_prop);
205     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
206                               new, NULL);
207     object_unref(new);
208     qdev_init_nofail(dev);
209 }
210 
211 static void s390_create_virtio_net(BusState *bus, const char *name)
212 {
213     int i;
214 
215     for (i = 0; i < nb_nics; i++) {
216         NICInfo *nd = &nd_table[i];
217         DeviceState *dev;
218 
219         if (!nd->model) {
220             nd->model = g_strdup("virtio");
221         }
222 
223         qemu_check_nic_model(nd, "virtio");
224 
225         dev = qdev_create(bus, name);
226         qdev_set_nic_properties(dev, nd);
227         qdev_init_nofail(dev);
228     }
229 }
230 
231 static void s390_create_sclpconsole(const char *type, Chardev *chardev)
232 {
233     DeviceState *dev;
234 
235     dev = qdev_create(sclp_get_event_facility_bus(), type);
236     qdev_prop_set_chr(dev, "chardev", chardev);
237     qdev_init_nofail(dev);
238 }
239 
240 static void ccw_init(MachineState *machine)
241 {
242     int ret;
243     VirtualCssBus *css_bus;
244     DeviceState *dev;
245 
246     s390_sclp_init();
247     /* init memory + setup max page size. Required for the CPU model */
248     s390_memory_init(machine->ram_size);
249 
250     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
251     s390_init_cpus(machine);
252 
253     s390_flic_init();
254 
255     /* init the SIGP facility */
256     s390_init_sigp();
257 
258     /* create AP bridge and bus(es) */
259     s390_init_ap();
260 
261     /* get a BUS */
262     css_bus = virtual_css_bus_init();
263     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
264                       machine->initrd_filename, "s390-ccw.img",
265                       "s390-netboot.img", true);
266 
267     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
268     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
269                               OBJECT(dev), NULL);
270     qdev_init_nofail(dev);
271 
272     /* register hypercalls */
273     virtio_ccw_register_hcalls();
274 
275     s390_enable_css_support(s390_cpu_addr2state(0));
276 
277     ret = css_create_css_image(VIRTUAL_CSSID, true);
278 
279     assert(ret == 0);
280     if (css_migration_enabled()) {
281         css_register_vmstate();
282     }
283 
284     /* Create VirtIO network adapters */
285     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
286 
287     /* init consoles */
288     if (serial_hd(0)) {
289         s390_create_sclpconsole("sclpconsole", serial_hd(0));
290     }
291     if (serial_hd(1)) {
292         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
293     }
294 
295     /* init the TOD clock */
296     s390_init_tod();
297 }
298 
299 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
300                         DeviceState *dev, Error **errp)
301 {
302     MachineState *ms = MACHINE(hotplug_dev);
303     S390CPU *cpu = S390_CPU(dev);
304 
305     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
306     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
307 
308     if (dev->hotplugged) {
309         raise_irq_cpu_hotplug();
310     }
311 }
312 
313 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
314 {
315     S390CPU *cpu = S390_CPU(cs);
316 
317     s390_ipl_prepare_cpu(cpu);
318     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
319 }
320 
321 static void s390_machine_reset(MachineState *machine)
322 {
323     enum s390_reset reset_type;
324     CPUState *cs, *t;
325 
326     /* get the reset parameters, reset them once done */
327     s390_ipl_get_reset_request(&cs, &reset_type);
328 
329     /* all CPUs are paused and synchronized at this point */
330     s390_cmma_reset();
331 
332     switch (reset_type) {
333     case S390_RESET_EXTERNAL:
334     case S390_RESET_REIPL:
335         qemu_devices_reset();
336         s390_crypto_reset();
337 
338         /* configure and start the ipl CPU only */
339         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
340         break;
341     case S390_RESET_MODIFIED_CLEAR:
342         CPU_FOREACH(t) {
343             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
344         }
345         subsystem_reset();
346         s390_crypto_reset();
347         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
348         break;
349     case S390_RESET_LOAD_NORMAL:
350         CPU_FOREACH(t) {
351             if (t == cs) {
352                 continue;
353             }
354             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
355         }
356         subsystem_reset();
357         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
358         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
359         break;
360     default:
361         g_assert_not_reached();
362     }
363     s390_ipl_clear_reset_request();
364 }
365 
366 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
367                                      DeviceState *dev, Error **errp)
368 {
369     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
370         s390_cpu_plug(hotplug_dev, dev, errp);
371     }
372 }
373 
374 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
375                                                DeviceState *dev, Error **errp)
376 {
377     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
378         error_setg(errp, "CPU hot unplug not supported on this machine");
379         return;
380     }
381 }
382 
383 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
384                                                      unsigned cpu_index)
385 {
386     MachineClass *mc = MACHINE_GET_CLASS(ms);
387     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
388 
389     assert(cpu_index < possible_cpus->len);
390     return possible_cpus->cpus[cpu_index].props;
391 }
392 
393 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
394 {
395     int i;
396     unsigned int max_cpus = ms->smp.max_cpus;
397 
398     if (ms->possible_cpus) {
399         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
400         return ms->possible_cpus;
401     }
402 
403     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
404                                   sizeof(CPUArchId) * max_cpus);
405     ms->possible_cpus->len = max_cpus;
406     for (i = 0; i < ms->possible_cpus->len; i++) {
407         ms->possible_cpus->cpus[i].type = ms->cpu_type;
408         ms->possible_cpus->cpus[i].vcpus_count = 1;
409         ms->possible_cpus->cpus[i].arch_id = i;
410         ms->possible_cpus->cpus[i].props.has_core_id = true;
411         ms->possible_cpus->cpus[i].props.core_id = i;
412     }
413 
414     return ms->possible_cpus;
415 }
416 
417 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
418                                                 DeviceState *dev)
419 {
420     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
421         return HOTPLUG_HANDLER(machine);
422     }
423     return NULL;
424 }
425 
426 static void s390_hot_add_cpu(MachineState *machine,
427                              const int64_t id, Error **errp)
428 {
429     ObjectClass *oc;
430 
431     g_assert(machine->possible_cpus->cpus[0].cpu);
432     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
433 
434     s390x_new_cpu(object_class_get_name(oc), id, errp);
435 }
436 
437 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
438 {
439     CPUState *cs = qemu_get_cpu(cpu_index);
440 
441     s390_cpu_restart(S390_CPU(cs));
442 }
443 
444 static void ccw_machine_class_init(ObjectClass *oc, void *data)
445 {
446     MachineClass *mc = MACHINE_CLASS(oc);
447     NMIClass *nc = NMI_CLASS(oc);
448     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
449     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
450 
451     s390mc->ri_allowed = true;
452     s390mc->cpu_model_allowed = true;
453     s390mc->css_migration_enabled = true;
454     s390mc->hpage_1m_allowed = true;
455     mc->init = ccw_init;
456     mc->reset = s390_machine_reset;
457     mc->hot_add_cpu = s390_hot_add_cpu;
458     mc->block_default_type = IF_VIRTIO;
459     mc->no_cdrom = 1;
460     mc->no_floppy = 1;
461     mc->no_parallel = 1;
462     mc->no_sdcard = 1;
463     mc->max_cpus = S390_MAX_CPUS;
464     mc->has_hotpluggable_cpus = true;
465     assert(!mc->get_hotplug_handler);
466     mc->get_hotplug_handler = s390_get_hotplug_handler;
467     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
468     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
469     /* it is overridden with 'host' cpu *in kvm_arch_init* */
470     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
471     hc->plug = s390_machine_device_plug;
472     hc->unplug_request = s390_machine_device_unplug_request;
473     nc->nmi_monitor_handler = s390_nmi;
474 }
475 
476 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
477 {
478     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
479 
480     return ms->aes_key_wrap;
481 }
482 
483 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
484                                             Error **errp)
485 {
486     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
487 
488     ms->aes_key_wrap = value;
489 }
490 
491 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
492 {
493     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
494 
495     return ms->dea_key_wrap;
496 }
497 
498 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
499                                             Error **errp)
500 {
501     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
502 
503     ms->dea_key_wrap = value;
504 }
505 
506 static S390CcwMachineClass *current_mc;
507 
508 static S390CcwMachineClass *get_machine_class(void)
509 {
510     if (unlikely(!current_mc)) {
511         /*
512         * No s390 ccw machine was instantiated, we are likely to
513         * be called for the 'none' machine. The properties will
514         * have their after-initialization values.
515         */
516         current_mc = S390_MACHINE_CLASS(
517                      object_class_by_name(TYPE_S390_CCW_MACHINE));
518     }
519     return current_mc;
520 }
521 
522 bool ri_allowed(void)
523 {
524     /* for "none" machine this results in true */
525     return get_machine_class()->ri_allowed;
526 }
527 
528 bool cpu_model_allowed(void)
529 {
530     /* for "none" machine this results in true */
531     return get_machine_class()->cpu_model_allowed;
532 }
533 
534 bool hpage_1m_allowed(void)
535 {
536     /* for "none" machine this results in true */
537     return get_machine_class()->hpage_1m_allowed;
538 }
539 
540 static char *machine_get_loadparm(Object *obj, Error **errp)
541 {
542     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
543 
544     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
545 }
546 
547 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
548 {
549     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
550     int i;
551 
552     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
553         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
554 
555         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
556             (c == ' ')) {
557             ms->loadparm[i] = c;
558         } else {
559             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
560                        c, c);
561             return;
562         }
563     }
564 
565     for (; i < sizeof(ms->loadparm); i++) {
566         ms->loadparm[i] = ' '; /* pad right with spaces */
567     }
568 }
569 static inline void s390_machine_initfn(Object *obj)
570 {
571     object_property_add_bool(obj, "aes-key-wrap",
572                              machine_get_aes_key_wrap,
573                              machine_set_aes_key_wrap, NULL);
574     object_property_set_description(obj, "aes-key-wrap",
575             "enable/disable AES key wrapping using the CPACF wrapping key",
576             NULL);
577     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
578 
579     object_property_add_bool(obj, "dea-key-wrap",
580                              machine_get_dea_key_wrap,
581                              machine_set_dea_key_wrap, NULL);
582     object_property_set_description(obj, "dea-key-wrap",
583             "enable/disable DEA key wrapping using the CPACF wrapping key",
584             NULL);
585     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
586     object_property_add_str(obj, "loadparm",
587             machine_get_loadparm, machine_set_loadparm, NULL);
588     object_property_set_description(obj, "loadparm",
589             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
590             " to upper case) to pass to machine loader, boot manager,"
591             " and guest kernel",
592             NULL);
593 }
594 
595 static const TypeInfo ccw_machine_info = {
596     .name          = TYPE_S390_CCW_MACHINE,
597     .parent        = TYPE_MACHINE,
598     .abstract      = true,
599     .instance_size = sizeof(S390CcwMachineState),
600     .instance_init = s390_machine_initfn,
601     .class_size = sizeof(S390CcwMachineClass),
602     .class_init    = ccw_machine_class_init,
603     .interfaces = (InterfaceInfo[]) {
604         { TYPE_NMI },
605         { TYPE_HOTPLUG_HANDLER},
606         { }
607     },
608 };
609 
610 bool css_migration_enabled(void)
611 {
612     return get_machine_class()->css_migration_enabled;
613 }
614 
615 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
616     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
617                                                   void *data)                 \
618     {                                                                         \
619         MachineClass *mc = MACHINE_CLASS(oc);                                 \
620         ccw_machine_##suffix##_class_options(mc);                             \
621         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
622         if (latest) {                                                         \
623             mc->alias = "s390-ccw-virtio";                                    \
624             mc->is_default = 1;                                               \
625         }                                                                     \
626     }                                                                         \
627     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
628     {                                                                         \
629         MachineState *machine = MACHINE(obj);                                 \
630         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
631         ccw_machine_##suffix##_instance_options(machine);                     \
632     }                                                                         \
633     static const TypeInfo ccw_machine_##suffix##_info = {                     \
634         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
635         .parent = TYPE_S390_CCW_MACHINE,                                      \
636         .class_init = ccw_machine_##suffix##_class_init,                      \
637         .instance_init = ccw_machine_##suffix##_instance_init,                \
638     };                                                                        \
639     static void ccw_machine_register_##suffix(void)                           \
640     {                                                                         \
641         type_register_static(&ccw_machine_##suffix##_info);                   \
642     }                                                                         \
643     type_init(ccw_machine_register_##suffix)
644 
645 static void ccw_machine_5_0_instance_options(MachineState *machine)
646 {
647 }
648 
649 static void ccw_machine_5_0_class_options(MachineClass *mc)
650 {
651 }
652 DEFINE_CCW_MACHINE(5_0, "5.0", true);
653 
654 static void ccw_machine_4_2_instance_options(MachineState *machine)
655 {
656     ccw_machine_5_0_instance_options(machine);
657 }
658 
659 static void ccw_machine_4_2_class_options(MachineClass *mc)
660 {
661     ccw_machine_5_0_class_options(mc);
662     compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len);
663 }
664 DEFINE_CCW_MACHINE(4_2, "4.2", false);
665 
666 static void ccw_machine_4_1_instance_options(MachineState *machine)
667 {
668     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 };
669     ccw_machine_4_2_instance_options(machine);
670     s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat);
671 }
672 
673 static void ccw_machine_4_1_class_options(MachineClass *mc)
674 {
675     ccw_machine_4_2_class_options(mc);
676     compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
677 }
678 DEFINE_CCW_MACHINE(4_1, "4.1", false);
679 
680 static void ccw_machine_4_0_instance_options(MachineState *machine)
681 {
682     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 };
683     ccw_machine_4_1_instance_options(machine);
684     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
685 }
686 
687 static void ccw_machine_4_0_class_options(MachineClass *mc)
688 {
689     ccw_machine_4_1_class_options(mc);
690     compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
691 }
692 DEFINE_CCW_MACHINE(4_0, "4.0", false);
693 
694 static void ccw_machine_3_1_instance_options(MachineState *machine)
695 {
696     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
697     ccw_machine_4_0_instance_options(machine);
698     s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH);
699     s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF);
700     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
701 }
702 
703 static void ccw_machine_3_1_class_options(MachineClass *mc)
704 {
705     ccw_machine_4_0_class_options(mc);
706     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
707 }
708 DEFINE_CCW_MACHINE(3_1, "3.1", false);
709 
710 static void ccw_machine_3_0_instance_options(MachineState *machine)
711 {
712     ccw_machine_3_1_instance_options(machine);
713 }
714 
715 static void ccw_machine_3_0_class_options(MachineClass *mc)
716 {
717     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
718 
719     s390mc->hpage_1m_allowed = false;
720     ccw_machine_3_1_class_options(mc);
721     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
722 }
723 DEFINE_CCW_MACHINE(3_0, "3.0", false);
724 
725 static void ccw_machine_2_12_instance_options(MachineState *machine)
726 {
727     ccw_machine_3_0_instance_options(machine);
728     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
729     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
730 }
731 
732 static void ccw_machine_2_12_class_options(MachineClass *mc)
733 {
734     ccw_machine_3_0_class_options(mc);
735     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
736 }
737 DEFINE_CCW_MACHINE(2_12, "2.12", false);
738 
739 static void ccw_machine_2_11_instance_options(MachineState *machine)
740 {
741     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
742     ccw_machine_2_12_instance_options(machine);
743 
744     /* before 2.12 we emulated the very first z900 */
745     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
746 }
747 
748 static void ccw_machine_2_11_class_options(MachineClass *mc)
749 {
750     static GlobalProperty compat[] = {
751         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
752     };
753 
754     ccw_machine_2_12_class_options(mc);
755     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
756     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
757 }
758 DEFINE_CCW_MACHINE(2_11, "2.11", false);
759 
760 static void ccw_machine_2_10_instance_options(MachineState *machine)
761 {
762     ccw_machine_2_11_instance_options(machine);
763 }
764 
765 static void ccw_machine_2_10_class_options(MachineClass *mc)
766 {
767     ccw_machine_2_11_class_options(mc);
768     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
769 }
770 DEFINE_CCW_MACHINE(2_10, "2.10", false);
771 
772 static void ccw_machine_2_9_instance_options(MachineState *machine)
773 {
774     ccw_machine_2_10_instance_options(machine);
775     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
776     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
777     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
778     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
779     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
780 }
781 
782 static void ccw_machine_2_9_class_options(MachineClass *mc)
783 {
784     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
785     static GlobalProperty compat[] = {
786         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
787     };
788 
789     ccw_machine_2_10_class_options(mc);
790     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
791     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
792     s390mc->css_migration_enabled = false;
793 }
794 DEFINE_CCW_MACHINE(2_9, "2.9", false);
795 
796 static void ccw_machine_2_8_instance_options(MachineState *machine)
797 {
798     ccw_machine_2_9_instance_options(machine);
799 }
800 
801 static void ccw_machine_2_8_class_options(MachineClass *mc)
802 {
803     static GlobalProperty compat[] = {
804         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
805     };
806 
807     ccw_machine_2_9_class_options(mc);
808     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
809     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
810 }
811 DEFINE_CCW_MACHINE(2_8, "2.8", false);
812 
813 static void ccw_machine_2_7_instance_options(MachineState *machine)
814 {
815     ccw_machine_2_8_instance_options(machine);
816 }
817 
818 static void ccw_machine_2_7_class_options(MachineClass *mc)
819 {
820     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
821 
822     s390mc->cpu_model_allowed = false;
823     ccw_machine_2_8_class_options(mc);
824     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
825 }
826 DEFINE_CCW_MACHINE(2_7, "2.7", false);
827 
828 static void ccw_machine_2_6_instance_options(MachineState *machine)
829 {
830     ccw_machine_2_7_instance_options(machine);
831 }
832 
833 static void ccw_machine_2_6_class_options(MachineClass *mc)
834 {
835     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
836     static GlobalProperty compat[] = {
837         { TYPE_S390_IPL, "iplbext_migration", "off", },
838          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
839     };
840 
841     s390mc->ri_allowed = false;
842     ccw_machine_2_7_class_options(mc);
843     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
844     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
845 }
846 DEFINE_CCW_MACHINE(2_6, "2.6", false);
847 
848 static void ccw_machine_2_5_instance_options(MachineState *machine)
849 {
850     ccw_machine_2_6_instance_options(machine);
851 }
852 
853 static void ccw_machine_2_5_class_options(MachineClass *mc)
854 {
855     ccw_machine_2_6_class_options(mc);
856     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
857 }
858 DEFINE_CCW_MACHINE(2_5, "2.5", false);
859 
860 static void ccw_machine_2_4_instance_options(MachineState *machine)
861 {
862     ccw_machine_2_5_instance_options(machine);
863 }
864 
865 static void ccw_machine_2_4_class_options(MachineClass *mc)
866 {
867     static GlobalProperty compat[] = {
868         { TYPE_S390_SKEYS, "migration-enabled", "off", },
869         { "virtio-blk-ccw", "max_revision", "0", },
870         { "virtio-balloon-ccw", "max_revision", "0", },
871         { "virtio-serial-ccw", "max_revision", "0", },
872         { "virtio-9p-ccw", "max_revision", "0", },
873         { "virtio-rng-ccw", "max_revision", "0", },
874         { "virtio-net-ccw", "max_revision", "0", },
875         { "virtio-scsi-ccw", "max_revision", "0", },
876         { "vhost-scsi-ccw", "max_revision", "0", },
877     };
878 
879     ccw_machine_2_5_class_options(mc);
880     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
881     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
882 }
883 DEFINE_CCW_MACHINE(2_4, "2.4", false);
884 
885 static void ccw_machine_register_types(void)
886 {
887     type_register_static(&ccw_machine_info);
888 }
889 
890 type_init(ccw_machine_register_types)
891