xref: /qemu/hw/s390x/s390-virtio-ccw.c (revision 674ed722)
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 "hw/s390x/s390-virtio-hcall.h"
19 #include "hw/s390x/sclp.h"
20 #include "hw/s390x/s390_flic.h"
21 #include "hw/s390x/ioinst.h"
22 #include "hw/s390x/css.h"
23 #include "virtio-ccw.h"
24 #include "qemu/config-file.h"
25 #include "qemu/error-report.h"
26 #include "qemu/option.h"
27 #include "s390-pci-bus.h"
28 #include "hw/s390x/storage-keys.h"
29 #include "hw/s390x/storage-attributes.h"
30 #include "hw/s390x/event-facility.h"
31 #include "hw/compat.h"
32 #include "ipl.h"
33 #include "hw/s390x/s390-virtio-ccw.h"
34 #include "hw/s390x/css-bridge.h"
35 #include "migration/register.h"
36 #include "cpu_models.h"
37 #include "hw/nmi.h"
38 #include "hw/s390x/tod.h"
39 
40 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
41 {
42     static MachineState *ms;
43 
44     if (!ms) {
45         ms = MACHINE(qdev_get_machine());
46         g_assert(ms->possible_cpus);
47     }
48 
49     /* CPU address corresponds to the core_id and the index */
50     if (cpu_addr >= ms->possible_cpus->len) {
51         return NULL;
52     }
53     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
54 }
55 
56 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
57                               Error **errp)
58 {
59     S390CPU *cpu = S390_CPU(object_new(typename));
60     Error *err = NULL;
61 
62     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
63     if (err != NULL) {
64         goto out;
65     }
66     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
67 
68 out:
69     object_unref(OBJECT(cpu));
70     if (err) {
71         error_propagate(errp, err);
72         cpu = NULL;
73     }
74     return cpu;
75 }
76 
77 static void s390_init_cpus(MachineState *machine)
78 {
79     MachineClass *mc = MACHINE_GET_CLASS(machine);
80     int i;
81 
82     /* initialize possible_cpus */
83     mc->possible_cpu_arch_ids(machine);
84 
85     for (i = 0; i < smp_cpus; i++) {
86         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
87     }
88 }
89 
90 static const char *const reset_dev_types[] = {
91     TYPE_VIRTUAL_CSS_BRIDGE,
92     "s390-sclp-event-facility",
93     "s390-flic",
94     "diag288",
95 };
96 
97 static void subsystem_reset(void)
98 {
99     DeviceState *dev;
100     int i;
101 
102     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
103         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
104         if (dev) {
105             qdev_reset_all(dev);
106         }
107     }
108 }
109 
110 static int virtio_ccw_hcall_notify(const uint64_t *args)
111 {
112     uint64_t subch_id = args[0];
113     uint64_t queue = args[1];
114     SubchDev *sch;
115     int cssid, ssid, schid, m;
116 
117     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
118         return -EINVAL;
119     }
120     sch = css_find_subch(m, cssid, ssid, schid);
121     if (!sch || !css_subch_visible(sch)) {
122         return -EINVAL;
123     }
124     if (queue >= VIRTIO_QUEUE_MAX) {
125         return -EINVAL;
126     }
127     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
128     return 0;
129 
130 }
131 
132 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
133 {
134     uint64_t mem = args[0];
135 
136     if (mem < ram_size) {
137         /* Early printk */
138         return 0;
139     }
140     return -EINVAL;
141 }
142 
143 static void virtio_ccw_register_hcalls(void)
144 {
145     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
146                                    virtio_ccw_hcall_notify);
147     /* Tolerate early printk. */
148     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
149                                    virtio_ccw_hcall_early_printk);
150 }
151 
152 /*
153  * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages
154  * as the dirty bitmap must be managed by bitops that take an int as
155  * position indicator. If we have a guest beyond that we will split off
156  * new subregions. The split must happen on a segment boundary (1MB).
157  */
158 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1)
159 #define SEG_MSK (~0xfffffULL)
160 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK)
161 static void s390_memory_init(ram_addr_t mem_size)
162 {
163     MemoryRegion *sysmem = get_system_memory();
164     ram_addr_t chunk, offset = 0;
165     unsigned int number = 0;
166     gchar *name;
167 
168     /* allocate RAM for core */
169     name = g_strdup_printf("s390.ram");
170     while (mem_size) {
171         MemoryRegion *ram = g_new(MemoryRegion, 1);
172         uint64_t size = mem_size;
173 
174         /* KVM does not allow memslots >= 8 TB */
175         chunk = MIN(size, KVM_SLOT_MAX_BYTES);
176         memory_region_allocate_system_memory(ram, NULL, name, chunk);
177         memory_region_add_subregion(sysmem, offset, ram);
178         mem_size -= chunk;
179         offset += chunk;
180         g_free(name);
181         name = g_strdup_printf("s390.ram.%u", ++number);
182     }
183     g_free(name);
184 
185     /* Initialize storage key device */
186     s390_skeys_init();
187     /* Initialize storage attributes device */
188     s390_stattrib_init();
189 }
190 
191 static void s390_init_ipl_dev(const char *kernel_filename,
192                               const char *kernel_cmdline,
193                               const char *initrd_filename, const char *firmware,
194                               const char *netboot_fw, bool enforce_bios)
195 {
196     Object *new = object_new(TYPE_S390_IPL);
197     DeviceState *dev = DEVICE(new);
198     char *netboot_fw_prop;
199 
200     if (kernel_filename) {
201         qdev_prop_set_string(dev, "kernel", kernel_filename);
202     }
203     if (initrd_filename) {
204         qdev_prop_set_string(dev, "initrd", initrd_filename);
205     }
206     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
207     qdev_prop_set_string(dev, "firmware", firmware);
208     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
209     netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
210     if (!strlen(netboot_fw_prop)) {
211         qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
212     }
213     g_free(netboot_fw_prop);
214     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
215                               new, NULL);
216     object_unref(new);
217     qdev_init_nofail(dev);
218 }
219 
220 static void s390_create_virtio_net(BusState *bus, const char *name)
221 {
222     int i;
223 
224     for (i = 0; i < nb_nics; i++) {
225         NICInfo *nd = &nd_table[i];
226         DeviceState *dev;
227 
228         if (!nd->model) {
229             nd->model = g_strdup("virtio");
230         }
231 
232         qemu_check_nic_model(nd, "virtio");
233 
234         dev = qdev_create(bus, name);
235         qdev_set_nic_properties(dev, nd);
236         qdev_init_nofail(dev);
237     }
238 }
239 
240 static void s390_create_sclpconsole(const char *type, Chardev *chardev)
241 {
242     DeviceState *dev;
243 
244     dev = qdev_create(sclp_get_event_facility_bus(), type);
245     qdev_prop_set_chr(dev, "chardev", chardev);
246     qdev_init_nofail(dev);
247 }
248 
249 static void ccw_init(MachineState *machine)
250 {
251     int ret;
252     VirtualCssBus *css_bus;
253     DeviceState *dev;
254 
255     s390_sclp_init();
256     s390_memory_init(machine->ram_size);
257 
258     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
259     s390_init_cpus(machine);
260 
261     s390_flic_init();
262 
263     /* init the SIGP facility */
264     s390_init_sigp();
265 
266     /* get a BUS */
267     css_bus = virtual_css_bus_init();
268     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
269                       machine->initrd_filename, "s390-ccw.img",
270                       "s390-netboot.img", true);
271 
272     /*
273      * We cannot easily make the pci host bridge conditional as older QEMUs
274      * always created it. Doing so would break migration across QEMU versions.
275      */
276     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
277     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
278                               OBJECT(dev), NULL);
279     qdev_init_nofail(dev);
280 
281     /* register hypercalls */
282     virtio_ccw_register_hcalls();
283 
284     s390_enable_css_support(s390_cpu_addr2state(0));
285     /*
286      * Non mcss-e enabled guests only see the devices from the default
287      * css, which is determined by the value of the squash_mcss property.
288      */
289     if (css_bus->squash_mcss) {
290         ret = css_create_css_image(0, true);
291     } else {
292         ret = css_create_css_image(VIRTUAL_CSSID, true);
293     }
294     if (qemu_opt_get(qemu_get_machine_opts(), "s390-squash-mcss")) {
295         warn_report("The machine property 's390-squash-mcss' is deprecated"
296                     " (obsoleted by lifting the cssid restrictions).");
297     }
298 
299     assert(ret == 0);
300     if (css_migration_enabled()) {
301         css_register_vmstate();
302     }
303 
304     /* Create VirtIO network adapters */
305     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
306 
307     /* init consoles */
308     if (serial_hd(0)) {
309         s390_create_sclpconsole("sclpconsole", serial_hd(0));
310     }
311     if (serial_hd(1)) {
312         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
313     }
314 
315     /* init the TOD clock */
316     s390_init_tod();
317 }
318 
319 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
320                         DeviceState *dev, Error **errp)
321 {
322     MachineState *ms = MACHINE(hotplug_dev);
323     S390CPU *cpu = S390_CPU(dev);
324 
325     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
326     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
327 
328     if (dev->hotplugged) {
329         raise_irq_cpu_hotplug();
330     }
331 }
332 
333 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
334 {
335     S390CPU *cpu = S390_CPU(cs);
336 
337     s390_ipl_prepare_cpu(cpu);
338     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
339 }
340 
341 static void s390_machine_reset(void)
342 {
343     enum s390_reset reset_type;
344     CPUState *cs, *t;
345 
346     /* get the reset parameters, reset them once done */
347     s390_ipl_get_reset_request(&cs, &reset_type);
348 
349     /* all CPUs are paused and synchronized at this point */
350     s390_cmma_reset();
351 
352     switch (reset_type) {
353     case S390_RESET_EXTERNAL:
354     case S390_RESET_REIPL:
355         qemu_devices_reset();
356         s390_crypto_reset();
357 
358         /* configure and start the ipl CPU only */
359         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
360         break;
361     case S390_RESET_MODIFIED_CLEAR:
362         CPU_FOREACH(t) {
363             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
364         }
365         subsystem_reset();
366         s390_crypto_reset();
367         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
368         break;
369     case S390_RESET_LOAD_NORMAL:
370         CPU_FOREACH(t) {
371             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
372         }
373         subsystem_reset();
374         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
375         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
376         break;
377     default:
378         g_assert_not_reached();
379     }
380     s390_ipl_clear_reset_request();
381 }
382 
383 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
384                                      DeviceState *dev, Error **errp)
385 {
386     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
387         s390_cpu_plug(hotplug_dev, dev, errp);
388     }
389 }
390 
391 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
392                                                DeviceState *dev, Error **errp)
393 {
394     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
395         error_setg(errp, "CPU hot unplug not supported on this machine");
396         return;
397     }
398 }
399 
400 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
401                                                      unsigned cpu_index)
402 {
403     MachineClass *mc = MACHINE_GET_CLASS(ms);
404     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
405 
406     assert(cpu_index < possible_cpus->len);
407     return possible_cpus->cpus[cpu_index].props;
408 }
409 
410 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
411 {
412     int i;
413 
414     if (ms->possible_cpus) {
415         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
416         return ms->possible_cpus;
417     }
418 
419     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
420                                   sizeof(CPUArchId) * max_cpus);
421     ms->possible_cpus->len = max_cpus;
422     for (i = 0; i < ms->possible_cpus->len; i++) {
423         ms->possible_cpus->cpus[i].type = ms->cpu_type;
424         ms->possible_cpus->cpus[i].vcpus_count = 1;
425         ms->possible_cpus->cpus[i].arch_id = i;
426         ms->possible_cpus->cpus[i].props.has_core_id = true;
427         ms->possible_cpus->cpus[i].props.core_id = i;
428     }
429 
430     return ms->possible_cpus;
431 }
432 
433 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
434                                                 DeviceState *dev)
435 {
436     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
437         return HOTPLUG_HANDLER(machine);
438     }
439     return NULL;
440 }
441 
442 static void s390_hot_add_cpu(const int64_t id, Error **errp)
443 {
444     MachineState *machine = MACHINE(qdev_get_machine());
445     ObjectClass *oc;
446 
447     g_assert(machine->possible_cpus->cpus[0].cpu);
448     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
449 
450     s390x_new_cpu(object_class_get_name(oc), id, errp);
451 }
452 
453 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
454 {
455     CPUState *cs = qemu_get_cpu(cpu_index);
456 
457     s390_cpu_restart(S390_CPU(cs));
458 }
459 
460 static void ccw_machine_class_init(ObjectClass *oc, void *data)
461 {
462     MachineClass *mc = MACHINE_CLASS(oc);
463     NMIClass *nc = NMI_CLASS(oc);
464     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
465     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
466 
467     s390mc->ri_allowed = true;
468     s390mc->cpu_model_allowed = true;
469     s390mc->css_migration_enabled = true;
470     mc->init = ccw_init;
471     mc->reset = s390_machine_reset;
472     mc->hot_add_cpu = s390_hot_add_cpu;
473     mc->block_default_type = IF_VIRTIO;
474     mc->no_cdrom = 1;
475     mc->no_floppy = 1;
476     mc->no_parallel = 1;
477     mc->no_sdcard = 1;
478     mc->max_cpus = S390_MAX_CPUS;
479     mc->has_hotpluggable_cpus = true;
480     assert(!mc->get_hotplug_handler);
481     mc->get_hotplug_handler = s390_get_hotplug_handler;
482     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
483     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
484     /* it is overridden with 'host' cpu *in kvm_arch_init* */
485     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
486     hc->plug = s390_machine_device_plug;
487     hc->unplug_request = s390_machine_device_unplug_request;
488     nc->nmi_monitor_handler = s390_nmi;
489 }
490 
491 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
492 {
493     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
494 
495     return ms->aes_key_wrap;
496 }
497 
498 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
499                                             Error **errp)
500 {
501     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
502 
503     ms->aes_key_wrap = value;
504 }
505 
506 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
507 {
508     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
509 
510     return ms->dea_key_wrap;
511 }
512 
513 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
514                                             Error **errp)
515 {
516     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
517 
518     ms->dea_key_wrap = value;
519 }
520 
521 static S390CcwMachineClass *current_mc;
522 
523 static S390CcwMachineClass *get_machine_class(void)
524 {
525     if (unlikely(!current_mc)) {
526         /*
527         * No s390 ccw machine was instantiated, we are likely to
528         * be called for the 'none' machine. The properties will
529         * have their after-initialization values.
530         */
531         current_mc = S390_MACHINE_CLASS(
532                      object_class_by_name(TYPE_S390_CCW_MACHINE));
533     }
534     return current_mc;
535 }
536 
537 bool ri_allowed(void)
538 {
539     /* for "none" machine this results in true */
540     return get_machine_class()->ri_allowed;
541 }
542 
543 bool cpu_model_allowed(void)
544 {
545     /* for "none" machine this results in true */
546     return get_machine_class()->cpu_model_allowed;
547 }
548 
549 static char *machine_get_loadparm(Object *obj, Error **errp)
550 {
551     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
552 
553     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
554 }
555 
556 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
557 {
558     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
559     int i;
560 
561     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
562         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
563 
564         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
565             (c == ' ')) {
566             ms->loadparm[i] = c;
567         } else {
568             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
569                        c, c);
570             return;
571         }
572     }
573 
574     for (; i < sizeof(ms->loadparm); i++) {
575         ms->loadparm[i] = ' '; /* pad right with spaces */
576     }
577 }
578 static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
579 {
580     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
581 
582     return ms->s390_squash_mcss;
583 }
584 
585 static inline void machine_set_squash_mcss(Object *obj, bool value,
586                                            Error **errp)
587 {
588     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
589 
590     ms->s390_squash_mcss = value;
591 }
592 
593 static inline void s390_machine_initfn(Object *obj)
594 {
595     object_property_add_bool(obj, "aes-key-wrap",
596                              machine_get_aes_key_wrap,
597                              machine_set_aes_key_wrap, NULL);
598     object_property_set_description(obj, "aes-key-wrap",
599             "enable/disable AES key wrapping using the CPACF wrapping key",
600             NULL);
601     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
602 
603     object_property_add_bool(obj, "dea-key-wrap",
604                              machine_get_dea_key_wrap,
605                              machine_set_dea_key_wrap, NULL);
606     object_property_set_description(obj, "dea-key-wrap",
607             "enable/disable DEA key wrapping using the CPACF wrapping key",
608             NULL);
609     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
610     object_property_add_str(obj, "loadparm",
611             machine_get_loadparm, machine_set_loadparm, NULL);
612     object_property_set_description(obj, "loadparm",
613             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
614             " to upper case) to pass to machine loader, boot manager,"
615             " and guest kernel",
616             NULL);
617     object_property_add_bool(obj, "s390-squash-mcss",
618                              machine_get_squash_mcss,
619                              machine_set_squash_mcss, NULL);
620     object_property_set_description(obj, "s390-squash-mcss", "(deprecated) "
621             "enable/disable squashing subchannels into the default css",
622             NULL);
623     object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
624 }
625 
626 static const TypeInfo ccw_machine_info = {
627     .name          = TYPE_S390_CCW_MACHINE,
628     .parent        = TYPE_MACHINE,
629     .abstract      = true,
630     .instance_size = sizeof(S390CcwMachineState),
631     .instance_init = s390_machine_initfn,
632     .class_size = sizeof(S390CcwMachineClass),
633     .class_init    = ccw_machine_class_init,
634     .interfaces = (InterfaceInfo[]) {
635         { TYPE_NMI },
636         { TYPE_HOTPLUG_HANDLER},
637         { }
638     },
639 };
640 
641 bool css_migration_enabled(void)
642 {
643     return get_machine_class()->css_migration_enabled;
644 }
645 
646 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
647     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
648                                                   void *data)                 \
649     {                                                                         \
650         MachineClass *mc = MACHINE_CLASS(oc);                                 \
651         ccw_machine_##suffix##_class_options(mc);                             \
652         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
653         if (latest) {                                                         \
654             mc->alias = "s390-ccw-virtio";                                    \
655             mc->is_default = 1;                                               \
656         }                                                                     \
657     }                                                                         \
658     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
659     {                                                                         \
660         MachineState *machine = MACHINE(obj);                                 \
661         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
662         ccw_machine_##suffix##_instance_options(machine);                     \
663     }                                                                         \
664     static const TypeInfo ccw_machine_##suffix##_info = {                     \
665         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
666         .parent = TYPE_S390_CCW_MACHINE,                                      \
667         .class_init = ccw_machine_##suffix##_class_init,                      \
668         .instance_init = ccw_machine_##suffix##_instance_init,                \
669     };                                                                        \
670     static void ccw_machine_register_##suffix(void)                           \
671     {                                                                         \
672         type_register_static(&ccw_machine_##suffix##_info);                   \
673     }                                                                         \
674     type_init(ccw_machine_register_##suffix)
675 
676 #define CCW_COMPAT_2_12 \
677         HW_COMPAT_2_12
678 
679 #define CCW_COMPAT_2_11 \
680         HW_COMPAT_2_11 \
681         {\
682             .driver   = TYPE_SCLP_EVENT_FACILITY,\
683             .property = "allow_all_mask_sizes",\
684             .value    = "off",\
685         },
686 
687 #define CCW_COMPAT_2_10 \
688         HW_COMPAT_2_10
689 
690 #define CCW_COMPAT_2_9 \
691         HW_COMPAT_2_9 \
692         {\
693             .driver   = TYPE_S390_STATTRIB,\
694             .property = "migration-enabled",\
695             .value    = "off",\
696         },
697 
698 #define CCW_COMPAT_2_8 \
699         HW_COMPAT_2_8 \
700         {\
701             .driver   = TYPE_S390_FLIC_COMMON,\
702             .property = "adapter_routes_max_batch",\
703             .value    = "64",\
704         },
705 
706 #define CCW_COMPAT_2_7 \
707         HW_COMPAT_2_7
708 
709 #define CCW_COMPAT_2_6 \
710         HW_COMPAT_2_6 \
711         {\
712             .driver   = TYPE_S390_IPL,\
713             .property = "iplbext_migration",\
714             .value    = "off",\
715         }, {\
716             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
717             .property = "css_dev_path",\
718             .value    = "off",\
719         },
720 
721 #define CCW_COMPAT_2_5 \
722         HW_COMPAT_2_5
723 
724 #define CCW_COMPAT_2_4 \
725         HW_COMPAT_2_4 \
726         {\
727             .driver   = TYPE_S390_SKEYS,\
728             .property = "migration-enabled",\
729             .value    = "off",\
730         },{\
731             .driver   = "virtio-blk-ccw",\
732             .property = "max_revision",\
733             .value    = "0",\
734         },{\
735             .driver   = "virtio-balloon-ccw",\
736             .property = "max_revision",\
737             .value    = "0",\
738         },{\
739             .driver   = "virtio-serial-ccw",\
740             .property = "max_revision",\
741             .value    = "0",\
742         },{\
743             .driver   = "virtio-9p-ccw",\
744             .property = "max_revision",\
745             .value    = "0",\
746         },{\
747             .driver   = "virtio-rng-ccw",\
748             .property = "max_revision",\
749             .value    = "0",\
750         },{\
751             .driver   = "virtio-net-ccw",\
752             .property = "max_revision",\
753             .value    = "0",\
754         },{\
755             .driver   = "virtio-scsi-ccw",\
756             .property = "max_revision",\
757             .value    = "0",\
758         },{\
759             .driver   = "vhost-scsi-ccw",\
760             .property = "max_revision",\
761             .value    = "0",\
762         },
763 
764 static void ccw_machine_3_0_instance_options(MachineState *machine)
765 {
766 }
767 
768 static void ccw_machine_3_0_class_options(MachineClass *mc)
769 {
770 }
771 DEFINE_CCW_MACHINE(3_0, "3.0", true);
772 
773 static void ccw_machine_2_12_instance_options(MachineState *machine)
774 {
775     ccw_machine_3_0_instance_options(machine);
776     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
777     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
778 }
779 
780 static void ccw_machine_2_12_class_options(MachineClass *mc)
781 {
782     ccw_machine_3_0_class_options(mc);
783     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12);
784 }
785 DEFINE_CCW_MACHINE(2_12, "2.12", false);
786 
787 static void ccw_machine_2_11_instance_options(MachineState *machine)
788 {
789     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
790     ccw_machine_2_12_instance_options(machine);
791 
792     /* before 2.12 we emulated the very first z900 */
793     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
794 }
795 
796 static void ccw_machine_2_11_class_options(MachineClass *mc)
797 {
798     ccw_machine_2_12_class_options(mc);
799     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11);
800 }
801 DEFINE_CCW_MACHINE(2_11, "2.11", false);
802 
803 static void ccw_machine_2_10_instance_options(MachineState *machine)
804 {
805     ccw_machine_2_11_instance_options(machine);
806 }
807 
808 static void ccw_machine_2_10_class_options(MachineClass *mc)
809 {
810     ccw_machine_2_11_class_options(mc);
811     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
812 }
813 DEFINE_CCW_MACHINE(2_10, "2.10", false);
814 
815 static void ccw_machine_2_9_instance_options(MachineState *machine)
816 {
817     ccw_machine_2_10_instance_options(machine);
818     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
819     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
820     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
821     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
822     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
823 }
824 
825 static void ccw_machine_2_9_class_options(MachineClass *mc)
826 {
827     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
828 
829     ccw_machine_2_10_class_options(mc);
830     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
831     s390mc->css_migration_enabled = false;
832 }
833 DEFINE_CCW_MACHINE(2_9, "2.9", false);
834 
835 static void ccw_machine_2_8_instance_options(MachineState *machine)
836 {
837     ccw_machine_2_9_instance_options(machine);
838 }
839 
840 static void ccw_machine_2_8_class_options(MachineClass *mc)
841 {
842     ccw_machine_2_9_class_options(mc);
843     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
844 }
845 DEFINE_CCW_MACHINE(2_8, "2.8", false);
846 
847 static void ccw_machine_2_7_instance_options(MachineState *machine)
848 {
849     ccw_machine_2_8_instance_options(machine);
850 }
851 
852 static void ccw_machine_2_7_class_options(MachineClass *mc)
853 {
854     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
855 
856     s390mc->cpu_model_allowed = false;
857     ccw_machine_2_8_class_options(mc);
858     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
859 }
860 DEFINE_CCW_MACHINE(2_7, "2.7", false);
861 
862 static void ccw_machine_2_6_instance_options(MachineState *machine)
863 {
864     ccw_machine_2_7_instance_options(machine);
865 }
866 
867 static void ccw_machine_2_6_class_options(MachineClass *mc)
868 {
869     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
870 
871     s390mc->ri_allowed = false;
872     ccw_machine_2_7_class_options(mc);
873     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
874 }
875 DEFINE_CCW_MACHINE(2_6, "2.6", false);
876 
877 static void ccw_machine_2_5_instance_options(MachineState *machine)
878 {
879     ccw_machine_2_6_instance_options(machine);
880 }
881 
882 static void ccw_machine_2_5_class_options(MachineClass *mc)
883 {
884     ccw_machine_2_6_class_options(mc);
885     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
886 }
887 DEFINE_CCW_MACHINE(2_5, "2.5", false);
888 
889 static void ccw_machine_2_4_instance_options(MachineState *machine)
890 {
891     ccw_machine_2_5_instance_options(machine);
892 }
893 
894 static void ccw_machine_2_4_class_options(MachineClass *mc)
895 {
896     ccw_machine_2_5_class_options(mc);
897     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
898 }
899 DEFINE_CCW_MACHINE(2_4, "2.4", false);
900 
901 static void ccw_machine_register_types(void)
902 {
903     type_register_static(&ccw_machine_info);
904 }
905 
906 type_init(ccw_machine_register_types)
907