xref: /openbmc/qemu/hw/s390x/s390-virtio-ccw.c (revision 6c35ed68)
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             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
352         }
353         subsystem_reset();
354         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
355         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
356         break;
357     default:
358         g_assert_not_reached();
359     }
360     s390_ipl_clear_reset_request();
361 }
362 
363 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
364                                      DeviceState *dev, Error **errp)
365 {
366     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
367         s390_cpu_plug(hotplug_dev, dev, errp);
368     }
369 }
370 
371 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
372                                                DeviceState *dev, Error **errp)
373 {
374     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
375         error_setg(errp, "CPU hot unplug not supported on this machine");
376         return;
377     }
378 }
379 
380 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
381                                                      unsigned cpu_index)
382 {
383     MachineClass *mc = MACHINE_GET_CLASS(ms);
384     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
385 
386     assert(cpu_index < possible_cpus->len);
387     return possible_cpus->cpus[cpu_index].props;
388 }
389 
390 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
391 {
392     int i;
393     unsigned int max_cpus = ms->smp.max_cpus;
394 
395     if (ms->possible_cpus) {
396         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
397         return ms->possible_cpus;
398     }
399 
400     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
401                                   sizeof(CPUArchId) * max_cpus);
402     ms->possible_cpus->len = max_cpus;
403     for (i = 0; i < ms->possible_cpus->len; i++) {
404         ms->possible_cpus->cpus[i].type = ms->cpu_type;
405         ms->possible_cpus->cpus[i].vcpus_count = 1;
406         ms->possible_cpus->cpus[i].arch_id = i;
407         ms->possible_cpus->cpus[i].props.has_core_id = true;
408         ms->possible_cpus->cpus[i].props.core_id = i;
409     }
410 
411     return ms->possible_cpus;
412 }
413 
414 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
415                                                 DeviceState *dev)
416 {
417     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
418         return HOTPLUG_HANDLER(machine);
419     }
420     return NULL;
421 }
422 
423 static void s390_hot_add_cpu(MachineState *machine,
424                              const int64_t id, Error **errp)
425 {
426     ObjectClass *oc;
427 
428     g_assert(machine->possible_cpus->cpus[0].cpu);
429     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
430 
431     s390x_new_cpu(object_class_get_name(oc), id, errp);
432 }
433 
434 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
435 {
436     CPUState *cs = qemu_get_cpu(cpu_index);
437 
438     s390_cpu_restart(S390_CPU(cs));
439 }
440 
441 static void ccw_machine_class_init(ObjectClass *oc, void *data)
442 {
443     MachineClass *mc = MACHINE_CLASS(oc);
444     NMIClass *nc = NMI_CLASS(oc);
445     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
446     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
447 
448     s390mc->ri_allowed = true;
449     s390mc->cpu_model_allowed = true;
450     s390mc->css_migration_enabled = true;
451     s390mc->hpage_1m_allowed = true;
452     mc->init = ccw_init;
453     mc->reset = s390_machine_reset;
454     mc->hot_add_cpu = s390_hot_add_cpu;
455     mc->block_default_type = IF_VIRTIO;
456     mc->no_cdrom = 1;
457     mc->no_floppy = 1;
458     mc->no_parallel = 1;
459     mc->no_sdcard = 1;
460     mc->max_cpus = S390_MAX_CPUS;
461     mc->has_hotpluggable_cpus = true;
462     assert(!mc->get_hotplug_handler);
463     mc->get_hotplug_handler = s390_get_hotplug_handler;
464     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
465     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
466     /* it is overridden with 'host' cpu *in kvm_arch_init* */
467     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
468     hc->plug = s390_machine_device_plug;
469     hc->unplug_request = s390_machine_device_unplug_request;
470     nc->nmi_monitor_handler = s390_nmi;
471 }
472 
473 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
474 {
475     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
476 
477     return ms->aes_key_wrap;
478 }
479 
480 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
481                                             Error **errp)
482 {
483     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
484 
485     ms->aes_key_wrap = value;
486 }
487 
488 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
489 {
490     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
491 
492     return ms->dea_key_wrap;
493 }
494 
495 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
496                                             Error **errp)
497 {
498     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
499 
500     ms->dea_key_wrap = value;
501 }
502 
503 static S390CcwMachineClass *current_mc;
504 
505 static S390CcwMachineClass *get_machine_class(void)
506 {
507     if (unlikely(!current_mc)) {
508         /*
509         * No s390 ccw machine was instantiated, we are likely to
510         * be called for the 'none' machine. The properties will
511         * have their after-initialization values.
512         */
513         current_mc = S390_MACHINE_CLASS(
514                      object_class_by_name(TYPE_S390_CCW_MACHINE));
515     }
516     return current_mc;
517 }
518 
519 bool ri_allowed(void)
520 {
521     /* for "none" machine this results in true */
522     return get_machine_class()->ri_allowed;
523 }
524 
525 bool cpu_model_allowed(void)
526 {
527     /* for "none" machine this results in true */
528     return get_machine_class()->cpu_model_allowed;
529 }
530 
531 bool hpage_1m_allowed(void)
532 {
533     /* for "none" machine this results in true */
534     return get_machine_class()->hpage_1m_allowed;
535 }
536 
537 static char *machine_get_loadparm(Object *obj, Error **errp)
538 {
539     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
540 
541     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
542 }
543 
544 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
545 {
546     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
547     int i;
548 
549     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
550         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
551 
552         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
553             (c == ' ')) {
554             ms->loadparm[i] = c;
555         } else {
556             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
557                        c, c);
558             return;
559         }
560     }
561 
562     for (; i < sizeof(ms->loadparm); i++) {
563         ms->loadparm[i] = ' '; /* pad right with spaces */
564     }
565 }
566 static inline void s390_machine_initfn(Object *obj)
567 {
568     object_property_add_bool(obj, "aes-key-wrap",
569                              machine_get_aes_key_wrap,
570                              machine_set_aes_key_wrap, NULL);
571     object_property_set_description(obj, "aes-key-wrap",
572             "enable/disable AES key wrapping using the CPACF wrapping key",
573             NULL);
574     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
575 
576     object_property_add_bool(obj, "dea-key-wrap",
577                              machine_get_dea_key_wrap,
578                              machine_set_dea_key_wrap, NULL);
579     object_property_set_description(obj, "dea-key-wrap",
580             "enable/disable DEA key wrapping using the CPACF wrapping key",
581             NULL);
582     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
583     object_property_add_str(obj, "loadparm",
584             machine_get_loadparm, machine_set_loadparm, NULL);
585     object_property_set_description(obj, "loadparm",
586             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
587             " to upper case) to pass to machine loader, boot manager,"
588             " and guest kernel",
589             NULL);
590 }
591 
592 static const TypeInfo ccw_machine_info = {
593     .name          = TYPE_S390_CCW_MACHINE,
594     .parent        = TYPE_MACHINE,
595     .abstract      = true,
596     .instance_size = sizeof(S390CcwMachineState),
597     .instance_init = s390_machine_initfn,
598     .class_size = sizeof(S390CcwMachineClass),
599     .class_init    = ccw_machine_class_init,
600     .interfaces = (InterfaceInfo[]) {
601         { TYPE_NMI },
602         { TYPE_HOTPLUG_HANDLER},
603         { }
604     },
605 };
606 
607 bool css_migration_enabled(void)
608 {
609     return get_machine_class()->css_migration_enabled;
610 }
611 
612 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
613     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
614                                                   void *data)                 \
615     {                                                                         \
616         MachineClass *mc = MACHINE_CLASS(oc);                                 \
617         ccw_machine_##suffix##_class_options(mc);                             \
618         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
619         if (latest) {                                                         \
620             mc->alias = "s390-ccw-virtio";                                    \
621             mc->is_default = 1;                                               \
622         }                                                                     \
623     }                                                                         \
624     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
625     {                                                                         \
626         MachineState *machine = MACHINE(obj);                                 \
627         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
628         ccw_machine_##suffix##_instance_options(machine);                     \
629     }                                                                         \
630     static const TypeInfo ccw_machine_##suffix##_info = {                     \
631         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
632         .parent = TYPE_S390_CCW_MACHINE,                                      \
633         .class_init = ccw_machine_##suffix##_class_init,                      \
634         .instance_init = ccw_machine_##suffix##_instance_init,                \
635     };                                                                        \
636     static void ccw_machine_register_##suffix(void)                           \
637     {                                                                         \
638         type_register_static(&ccw_machine_##suffix##_info);                   \
639     }                                                                         \
640     type_init(ccw_machine_register_##suffix)
641 
642 static void ccw_machine_4_2_instance_options(MachineState *machine)
643 {
644 }
645 
646 static void ccw_machine_4_2_class_options(MachineClass *mc)
647 {
648 }
649 DEFINE_CCW_MACHINE(4_2, "4.2", true);
650 
651 static void ccw_machine_4_1_instance_options(MachineState *machine)
652 {
653     ccw_machine_4_2_instance_options(machine);
654 }
655 
656 static void ccw_machine_4_1_class_options(MachineClass *mc)
657 {
658     ccw_machine_4_2_class_options(mc);
659     compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
660 }
661 DEFINE_CCW_MACHINE(4_1, "4.1", false);
662 
663 static void ccw_machine_4_0_instance_options(MachineState *machine)
664 {
665     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 };
666     ccw_machine_4_1_instance_options(machine);
667     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
668 }
669 
670 static void ccw_machine_4_0_class_options(MachineClass *mc)
671 {
672     ccw_machine_4_1_class_options(mc);
673     compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
674 }
675 DEFINE_CCW_MACHINE(4_0, "4.0", false);
676 
677 static void ccw_machine_3_1_instance_options(MachineState *machine)
678 {
679     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
680     ccw_machine_4_0_instance_options(machine);
681     s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH);
682     s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF);
683     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
684 }
685 
686 static void ccw_machine_3_1_class_options(MachineClass *mc)
687 {
688     ccw_machine_4_0_class_options(mc);
689     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
690 }
691 DEFINE_CCW_MACHINE(3_1, "3.1", false);
692 
693 static void ccw_machine_3_0_instance_options(MachineState *machine)
694 {
695     ccw_machine_3_1_instance_options(machine);
696 }
697 
698 static void ccw_machine_3_0_class_options(MachineClass *mc)
699 {
700     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
701 
702     s390mc->hpage_1m_allowed = false;
703     ccw_machine_3_1_class_options(mc);
704     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
705 }
706 DEFINE_CCW_MACHINE(3_0, "3.0", false);
707 
708 static void ccw_machine_2_12_instance_options(MachineState *machine)
709 {
710     ccw_machine_3_0_instance_options(machine);
711     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
712     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
713 }
714 
715 static void ccw_machine_2_12_class_options(MachineClass *mc)
716 {
717     ccw_machine_3_0_class_options(mc);
718     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
719 }
720 DEFINE_CCW_MACHINE(2_12, "2.12", false);
721 
722 static void ccw_machine_2_11_instance_options(MachineState *machine)
723 {
724     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
725     ccw_machine_2_12_instance_options(machine);
726 
727     /* before 2.12 we emulated the very first z900 */
728     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
729 }
730 
731 static void ccw_machine_2_11_class_options(MachineClass *mc)
732 {
733     static GlobalProperty compat[] = {
734         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
735     };
736 
737     ccw_machine_2_12_class_options(mc);
738     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
739     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
740 }
741 DEFINE_CCW_MACHINE(2_11, "2.11", false);
742 
743 static void ccw_machine_2_10_instance_options(MachineState *machine)
744 {
745     ccw_machine_2_11_instance_options(machine);
746 }
747 
748 static void ccw_machine_2_10_class_options(MachineClass *mc)
749 {
750     ccw_machine_2_11_class_options(mc);
751     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
752 }
753 DEFINE_CCW_MACHINE(2_10, "2.10", false);
754 
755 static void ccw_machine_2_9_instance_options(MachineState *machine)
756 {
757     ccw_machine_2_10_instance_options(machine);
758     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
759     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
760     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
761     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
762     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
763 }
764 
765 static void ccw_machine_2_9_class_options(MachineClass *mc)
766 {
767     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
768     static GlobalProperty compat[] = {
769         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
770     };
771 
772     ccw_machine_2_10_class_options(mc);
773     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
774     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
775     s390mc->css_migration_enabled = false;
776 }
777 DEFINE_CCW_MACHINE(2_9, "2.9", false);
778 
779 static void ccw_machine_2_8_instance_options(MachineState *machine)
780 {
781     ccw_machine_2_9_instance_options(machine);
782 }
783 
784 static void ccw_machine_2_8_class_options(MachineClass *mc)
785 {
786     static GlobalProperty compat[] = {
787         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
788     };
789 
790     ccw_machine_2_9_class_options(mc);
791     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
792     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
793 }
794 DEFINE_CCW_MACHINE(2_8, "2.8", false);
795 
796 static void ccw_machine_2_7_instance_options(MachineState *machine)
797 {
798     ccw_machine_2_8_instance_options(machine);
799 }
800 
801 static void ccw_machine_2_7_class_options(MachineClass *mc)
802 {
803     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
804 
805     s390mc->cpu_model_allowed = false;
806     ccw_machine_2_8_class_options(mc);
807     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
808 }
809 DEFINE_CCW_MACHINE(2_7, "2.7", false);
810 
811 static void ccw_machine_2_6_instance_options(MachineState *machine)
812 {
813     ccw_machine_2_7_instance_options(machine);
814 }
815 
816 static void ccw_machine_2_6_class_options(MachineClass *mc)
817 {
818     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
819     static GlobalProperty compat[] = {
820         { TYPE_S390_IPL, "iplbext_migration", "off", },
821          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
822     };
823 
824     s390mc->ri_allowed = false;
825     ccw_machine_2_7_class_options(mc);
826     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
827     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
828 }
829 DEFINE_CCW_MACHINE(2_6, "2.6", false);
830 
831 static void ccw_machine_2_5_instance_options(MachineState *machine)
832 {
833     ccw_machine_2_6_instance_options(machine);
834 }
835 
836 static void ccw_machine_2_5_class_options(MachineClass *mc)
837 {
838     ccw_machine_2_6_class_options(mc);
839     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
840 }
841 DEFINE_CCW_MACHINE(2_5, "2.5", false);
842 
843 static void ccw_machine_2_4_instance_options(MachineState *machine)
844 {
845     ccw_machine_2_5_instance_options(machine);
846 }
847 
848 static void ccw_machine_2_4_class_options(MachineClass *mc)
849 {
850     static GlobalProperty compat[] = {
851         { TYPE_S390_SKEYS, "migration-enabled", "off", },
852         { "virtio-blk-ccw", "max_revision", "0", },
853         { "virtio-balloon-ccw", "max_revision", "0", },
854         { "virtio-serial-ccw", "max_revision", "0", },
855         { "virtio-9p-ccw", "max_revision", "0", },
856         { "virtio-rng-ccw", "max_revision", "0", },
857         { "virtio-net-ccw", "max_revision", "0", },
858         { "virtio-scsi-ccw", "max_revision", "0", },
859         { "vhost-scsi-ccw", "max_revision", "0", },
860     };
861 
862     ccw_machine_2_5_class_options(mc);
863     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
864     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
865 }
866 DEFINE_CCW_MACHINE(2_4, "2.4", false);
867 
868 static void ccw_machine_register_types(void)
869 {
870     type_register_static(&ccw_machine_info);
871 }
872 
873 type_init(ccw_machine_register_types)
874