xref: /openbmc/qemu/hw/s390x/s390-virtio-ccw.c (revision 1d52866f)
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     ret = css_create_css_image(VIRTUAL_CSSID, true);
287 
288     assert(ret == 0);
289     if (css_migration_enabled()) {
290         css_register_vmstate();
291     }
292 
293     /* Create VirtIO network adapters */
294     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
295 
296     /* init consoles */
297     if (serial_hd(0)) {
298         s390_create_sclpconsole("sclpconsole", serial_hd(0));
299     }
300     if (serial_hd(1)) {
301         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
302     }
303 
304     /* init the TOD clock */
305     s390_init_tod();
306 }
307 
308 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
309                         DeviceState *dev, Error **errp)
310 {
311     MachineState *ms = MACHINE(hotplug_dev);
312     S390CPU *cpu = S390_CPU(dev);
313 
314     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
315     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
316 
317     if (dev->hotplugged) {
318         raise_irq_cpu_hotplug();
319     }
320 }
321 
322 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
323 {
324     S390CPU *cpu = S390_CPU(cs);
325 
326     s390_ipl_prepare_cpu(cpu);
327     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
328 }
329 
330 static void s390_machine_reset(void)
331 {
332     enum s390_reset reset_type;
333     CPUState *cs, *t;
334 
335     /* get the reset parameters, reset them once done */
336     s390_ipl_get_reset_request(&cs, &reset_type);
337 
338     /* all CPUs are paused and synchronized at this point */
339     s390_cmma_reset();
340 
341     switch (reset_type) {
342     case S390_RESET_EXTERNAL:
343     case S390_RESET_REIPL:
344         qemu_devices_reset();
345         s390_crypto_reset();
346 
347         /* configure and start the ipl CPU only */
348         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
349         break;
350     case S390_RESET_MODIFIED_CLEAR:
351         CPU_FOREACH(t) {
352             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
353         }
354         subsystem_reset();
355         s390_crypto_reset();
356         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
357         break;
358     case S390_RESET_LOAD_NORMAL:
359         CPU_FOREACH(t) {
360             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
361         }
362         subsystem_reset();
363         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
364         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
365         break;
366     default:
367         g_assert_not_reached();
368     }
369     s390_ipl_clear_reset_request();
370 }
371 
372 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
373                                      DeviceState *dev, Error **errp)
374 {
375     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
376         s390_cpu_plug(hotplug_dev, dev, errp);
377     }
378 }
379 
380 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
381                                                DeviceState *dev, Error **errp)
382 {
383     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
384         error_setg(errp, "CPU hot unplug not supported on this machine");
385         return;
386     }
387 }
388 
389 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
390                                                      unsigned cpu_index)
391 {
392     MachineClass *mc = MACHINE_GET_CLASS(ms);
393     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
394 
395     assert(cpu_index < possible_cpus->len);
396     return possible_cpus->cpus[cpu_index].props;
397 }
398 
399 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
400 {
401     int i;
402 
403     if (ms->possible_cpus) {
404         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
405         return ms->possible_cpus;
406     }
407 
408     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
409                                   sizeof(CPUArchId) * max_cpus);
410     ms->possible_cpus->len = max_cpus;
411     for (i = 0; i < ms->possible_cpus->len; i++) {
412         ms->possible_cpus->cpus[i].type = ms->cpu_type;
413         ms->possible_cpus->cpus[i].vcpus_count = 1;
414         ms->possible_cpus->cpus[i].arch_id = i;
415         ms->possible_cpus->cpus[i].props.has_core_id = true;
416         ms->possible_cpus->cpus[i].props.core_id = i;
417     }
418 
419     return ms->possible_cpus;
420 }
421 
422 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
423                                                 DeviceState *dev)
424 {
425     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
426         return HOTPLUG_HANDLER(machine);
427     }
428     return NULL;
429 }
430 
431 static void s390_hot_add_cpu(const int64_t id, Error **errp)
432 {
433     MachineState *machine = MACHINE(qdev_get_machine());
434     ObjectClass *oc;
435 
436     g_assert(machine->possible_cpus->cpus[0].cpu);
437     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
438 
439     s390x_new_cpu(object_class_get_name(oc), id, errp);
440 }
441 
442 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
443 {
444     CPUState *cs = qemu_get_cpu(cpu_index);
445 
446     s390_cpu_restart(S390_CPU(cs));
447 }
448 
449 static void ccw_machine_class_init(ObjectClass *oc, void *data)
450 {
451     MachineClass *mc = MACHINE_CLASS(oc);
452     NMIClass *nc = NMI_CLASS(oc);
453     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
454     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
455 
456     s390mc->ri_allowed = true;
457     s390mc->cpu_model_allowed = true;
458     s390mc->css_migration_enabled = true;
459     mc->init = ccw_init;
460     mc->reset = s390_machine_reset;
461     mc->hot_add_cpu = s390_hot_add_cpu;
462     mc->block_default_type = IF_VIRTIO;
463     mc->no_cdrom = 1;
464     mc->no_floppy = 1;
465     mc->no_parallel = 1;
466     mc->no_sdcard = 1;
467     mc->max_cpus = S390_MAX_CPUS;
468     mc->has_hotpluggable_cpus = true;
469     assert(!mc->get_hotplug_handler);
470     mc->get_hotplug_handler = s390_get_hotplug_handler;
471     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
472     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
473     /* it is overridden with 'host' cpu *in kvm_arch_init* */
474     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
475     hc->plug = s390_machine_device_plug;
476     hc->unplug_request = s390_machine_device_unplug_request;
477     nc->nmi_monitor_handler = s390_nmi;
478 }
479 
480 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
481 {
482     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
483 
484     return ms->aes_key_wrap;
485 }
486 
487 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
488                                             Error **errp)
489 {
490     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
491 
492     ms->aes_key_wrap = value;
493 }
494 
495 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
496 {
497     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
498 
499     return ms->dea_key_wrap;
500 }
501 
502 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
503                                             Error **errp)
504 {
505     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
506 
507     ms->dea_key_wrap = value;
508 }
509 
510 static S390CcwMachineClass *current_mc;
511 
512 static S390CcwMachineClass *get_machine_class(void)
513 {
514     if (unlikely(!current_mc)) {
515         /*
516         * No s390 ccw machine was instantiated, we are likely to
517         * be called for the 'none' machine. The properties will
518         * have their after-initialization values.
519         */
520         current_mc = S390_MACHINE_CLASS(
521                      object_class_by_name(TYPE_S390_CCW_MACHINE));
522     }
523     return current_mc;
524 }
525 
526 bool ri_allowed(void)
527 {
528     /* for "none" machine this results in true */
529     return get_machine_class()->ri_allowed;
530 }
531 
532 bool cpu_model_allowed(void)
533 {
534     /* for "none" machine this results in true */
535     return get_machine_class()->cpu_model_allowed;
536 }
537 
538 static char *machine_get_loadparm(Object *obj, Error **errp)
539 {
540     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
541 
542     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
543 }
544 
545 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
546 {
547     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
548     int i;
549 
550     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
551         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
552 
553         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
554             (c == ' ')) {
555             ms->loadparm[i] = c;
556         } else {
557             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
558                        c, c);
559             return;
560         }
561     }
562 
563     for (; i < sizeof(ms->loadparm); i++) {
564         ms->loadparm[i] = ' '; /* pad right with spaces */
565     }
566 }
567 static inline void s390_machine_initfn(Object *obj)
568 {
569     object_property_add_bool(obj, "aes-key-wrap",
570                              machine_get_aes_key_wrap,
571                              machine_set_aes_key_wrap, NULL);
572     object_property_set_description(obj, "aes-key-wrap",
573             "enable/disable AES key wrapping using the CPACF wrapping key",
574             NULL);
575     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
576 
577     object_property_add_bool(obj, "dea-key-wrap",
578                              machine_get_dea_key_wrap,
579                              machine_set_dea_key_wrap, NULL);
580     object_property_set_description(obj, "dea-key-wrap",
581             "enable/disable DEA key wrapping using the CPACF wrapping key",
582             NULL);
583     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
584     object_property_add_str(obj, "loadparm",
585             machine_get_loadparm, machine_set_loadparm, NULL);
586     object_property_set_description(obj, "loadparm",
587             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
588             " to upper case) to pass to machine loader, boot manager,"
589             " and guest kernel",
590             NULL);
591 }
592 
593 static const TypeInfo ccw_machine_info = {
594     .name          = TYPE_S390_CCW_MACHINE,
595     .parent        = TYPE_MACHINE,
596     .abstract      = true,
597     .instance_size = sizeof(S390CcwMachineState),
598     .instance_init = s390_machine_initfn,
599     .class_size = sizeof(S390CcwMachineClass),
600     .class_init    = ccw_machine_class_init,
601     .interfaces = (InterfaceInfo[]) {
602         { TYPE_NMI },
603         { TYPE_HOTPLUG_HANDLER},
604         { }
605     },
606 };
607 
608 bool css_migration_enabled(void)
609 {
610     return get_machine_class()->css_migration_enabled;
611 }
612 
613 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
614     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
615                                                   void *data)                 \
616     {                                                                         \
617         MachineClass *mc = MACHINE_CLASS(oc);                                 \
618         ccw_machine_##suffix##_class_options(mc);                             \
619         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
620         if (latest) {                                                         \
621             mc->alias = "s390-ccw-virtio";                                    \
622             mc->is_default = 1;                                               \
623         }                                                                     \
624     }                                                                         \
625     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
626     {                                                                         \
627         MachineState *machine = MACHINE(obj);                                 \
628         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
629         ccw_machine_##suffix##_instance_options(machine);                     \
630     }                                                                         \
631     static const TypeInfo ccw_machine_##suffix##_info = {                     \
632         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
633         .parent = TYPE_S390_CCW_MACHINE,                                      \
634         .class_init = ccw_machine_##suffix##_class_init,                      \
635         .instance_init = ccw_machine_##suffix##_instance_init,                \
636     };                                                                        \
637     static void ccw_machine_register_##suffix(void)                           \
638     {                                                                         \
639         type_register_static(&ccw_machine_##suffix##_info);                   \
640     }                                                                         \
641     type_init(ccw_machine_register_##suffix)
642 
643 #define CCW_COMPAT_3_0 \
644         HW_COMPAT_3_0
645 
646 #define CCW_COMPAT_2_12 \
647         HW_COMPAT_2_12
648 
649 #define CCW_COMPAT_2_11 \
650         HW_COMPAT_2_11 \
651         {\
652             .driver   = TYPE_SCLP_EVENT_FACILITY,\
653             .property = "allow_all_mask_sizes",\
654             .value    = "off",\
655         },
656 
657 #define CCW_COMPAT_2_10 \
658         HW_COMPAT_2_10
659 
660 #define CCW_COMPAT_2_9 \
661         HW_COMPAT_2_9 \
662         {\
663             .driver   = TYPE_S390_STATTRIB,\
664             .property = "migration-enabled",\
665             .value    = "off",\
666         },
667 
668 #define CCW_COMPAT_2_8 \
669         HW_COMPAT_2_8 \
670         {\
671             .driver   = TYPE_S390_FLIC_COMMON,\
672             .property = "adapter_routes_max_batch",\
673             .value    = "64",\
674         },
675 
676 #define CCW_COMPAT_2_7 \
677         HW_COMPAT_2_7
678 
679 #define CCW_COMPAT_2_6 \
680         HW_COMPAT_2_6 \
681         {\
682             .driver   = TYPE_S390_IPL,\
683             .property = "iplbext_migration",\
684             .value    = "off",\
685         }, {\
686             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
687             .property = "css_dev_path",\
688             .value    = "off",\
689         },
690 
691 #define CCW_COMPAT_2_5 \
692         HW_COMPAT_2_5
693 
694 #define CCW_COMPAT_2_4 \
695         HW_COMPAT_2_4 \
696         {\
697             .driver   = TYPE_S390_SKEYS,\
698             .property = "migration-enabled",\
699             .value    = "off",\
700         },{\
701             .driver   = "virtio-blk-ccw",\
702             .property = "max_revision",\
703             .value    = "0",\
704         },{\
705             .driver   = "virtio-balloon-ccw",\
706             .property = "max_revision",\
707             .value    = "0",\
708         },{\
709             .driver   = "virtio-serial-ccw",\
710             .property = "max_revision",\
711             .value    = "0",\
712         },{\
713             .driver   = "virtio-9p-ccw",\
714             .property = "max_revision",\
715             .value    = "0",\
716         },{\
717             .driver   = "virtio-rng-ccw",\
718             .property = "max_revision",\
719             .value    = "0",\
720         },{\
721             .driver   = "virtio-net-ccw",\
722             .property = "max_revision",\
723             .value    = "0",\
724         },{\
725             .driver   = "virtio-scsi-ccw",\
726             .property = "max_revision",\
727             .value    = "0",\
728         },{\
729             .driver   = "vhost-scsi-ccw",\
730             .property = "max_revision",\
731             .value    = "0",\
732         },
733 
734 static void ccw_machine_3_1_instance_options(MachineState *machine)
735 {
736 }
737 
738 static void ccw_machine_3_1_class_options(MachineClass *mc)
739 {
740 }
741 DEFINE_CCW_MACHINE(3_1, "3.1", true);
742 
743 static void ccw_machine_3_0_instance_options(MachineState *machine)
744 {
745     ccw_machine_3_1_instance_options(machine);
746 }
747 
748 static void ccw_machine_3_0_class_options(MachineClass *mc)
749 {
750     ccw_machine_3_1_class_options(mc);
751     SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_0);
752 }
753 DEFINE_CCW_MACHINE(3_0, "3.0", false);
754 
755 static void ccw_machine_2_12_instance_options(MachineState *machine)
756 {
757     ccw_machine_3_0_instance_options(machine);
758     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
759     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
760 }
761 
762 static void ccw_machine_2_12_class_options(MachineClass *mc)
763 {
764     ccw_machine_3_0_class_options(mc);
765     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12);
766 }
767 DEFINE_CCW_MACHINE(2_12, "2.12", false);
768 
769 static void ccw_machine_2_11_instance_options(MachineState *machine)
770 {
771     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
772     ccw_machine_2_12_instance_options(machine);
773 
774     /* before 2.12 we emulated the very first z900 */
775     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
776 }
777 
778 static void ccw_machine_2_11_class_options(MachineClass *mc)
779 {
780     ccw_machine_2_12_class_options(mc);
781     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11);
782 }
783 DEFINE_CCW_MACHINE(2_11, "2.11", false);
784 
785 static void ccw_machine_2_10_instance_options(MachineState *machine)
786 {
787     ccw_machine_2_11_instance_options(machine);
788 }
789 
790 static void ccw_machine_2_10_class_options(MachineClass *mc)
791 {
792     ccw_machine_2_11_class_options(mc);
793     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
794 }
795 DEFINE_CCW_MACHINE(2_10, "2.10", false);
796 
797 static void ccw_machine_2_9_instance_options(MachineState *machine)
798 {
799     ccw_machine_2_10_instance_options(machine);
800     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
801     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
802     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
803     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
804     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
805 }
806 
807 static void ccw_machine_2_9_class_options(MachineClass *mc)
808 {
809     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
810 
811     ccw_machine_2_10_class_options(mc);
812     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
813     s390mc->css_migration_enabled = false;
814 }
815 DEFINE_CCW_MACHINE(2_9, "2.9", false);
816 
817 static void ccw_machine_2_8_instance_options(MachineState *machine)
818 {
819     ccw_machine_2_9_instance_options(machine);
820 }
821 
822 static void ccw_machine_2_8_class_options(MachineClass *mc)
823 {
824     ccw_machine_2_9_class_options(mc);
825     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
826 }
827 DEFINE_CCW_MACHINE(2_8, "2.8", false);
828 
829 static void ccw_machine_2_7_instance_options(MachineState *machine)
830 {
831     ccw_machine_2_8_instance_options(machine);
832 }
833 
834 static void ccw_machine_2_7_class_options(MachineClass *mc)
835 {
836     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
837 
838     s390mc->cpu_model_allowed = false;
839     ccw_machine_2_8_class_options(mc);
840     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
841 }
842 DEFINE_CCW_MACHINE(2_7, "2.7", false);
843 
844 static void ccw_machine_2_6_instance_options(MachineState *machine)
845 {
846     ccw_machine_2_7_instance_options(machine);
847 }
848 
849 static void ccw_machine_2_6_class_options(MachineClass *mc)
850 {
851     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
852 
853     s390mc->ri_allowed = false;
854     ccw_machine_2_7_class_options(mc);
855     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
856 }
857 DEFINE_CCW_MACHINE(2_6, "2.6", false);
858 
859 static void ccw_machine_2_5_instance_options(MachineState *machine)
860 {
861     ccw_machine_2_6_instance_options(machine);
862 }
863 
864 static void ccw_machine_2_5_class_options(MachineClass *mc)
865 {
866     ccw_machine_2_6_class_options(mc);
867     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
868 }
869 DEFINE_CCW_MACHINE(2_5, "2.5", false);
870 
871 static void ccw_machine_2_4_instance_options(MachineState *machine)
872 {
873     ccw_machine_2_5_instance_options(machine);
874 }
875 
876 static void ccw_machine_2_4_class_options(MachineClass *mc)
877 {
878     ccw_machine_2_5_class_options(mc);
879     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
880 }
881 DEFINE_CCW_MACHINE(2_4, "2.4", false);
882 
883 static void ccw_machine_register_types(void)
884 {
885     type_register_static(&ccw_machine_info);
886 }
887 
888 type_init(ccw_machine_register_types)
889