xref: /openbmc/qemu/hw/s390x/s390-virtio-ccw.c (revision 31cf4b97)
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 "ipl.h"
32 #include "hw/s390x/s390-virtio-ccw.h"
33 #include "hw/s390x/css-bridge.h"
34 #include "hw/s390x/ap-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     /* create AP bridge and bus(es) */
267     s390_init_ap();
268 
269     /* get a BUS */
270     css_bus = virtual_css_bus_init();
271     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
272                       machine->initrd_filename, "s390-ccw.img",
273                       "s390-netboot.img", true);
274 
275     /*
276      * We cannot easily make the pci host bridge conditional as older QEMUs
277      * always created it. Doing so would break migration across QEMU versions.
278      */
279     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
280     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
281                               OBJECT(dev), NULL);
282     qdev_init_nofail(dev);
283 
284     /* register hypercalls */
285     virtio_ccw_register_hcalls();
286 
287     s390_enable_css_support(s390_cpu_addr2state(0));
288 
289     ret = css_create_css_image(VIRTUAL_CSSID, true);
290 
291     assert(ret == 0);
292     if (css_migration_enabled()) {
293         css_register_vmstate();
294     }
295 
296     /* Create VirtIO network adapters */
297     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
298 
299     /* init consoles */
300     if (serial_hd(0)) {
301         s390_create_sclpconsole("sclpconsole", serial_hd(0));
302     }
303     if (serial_hd(1)) {
304         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
305     }
306 
307     /* init the TOD clock */
308     s390_init_tod();
309 }
310 
311 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
312                         DeviceState *dev, Error **errp)
313 {
314     MachineState *ms = MACHINE(hotplug_dev);
315     S390CPU *cpu = S390_CPU(dev);
316 
317     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
318     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
319 
320     if (dev->hotplugged) {
321         raise_irq_cpu_hotplug();
322     }
323 }
324 
325 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
326 {
327     S390CPU *cpu = S390_CPU(cs);
328 
329     s390_ipl_prepare_cpu(cpu);
330     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
331 }
332 
333 static void s390_machine_reset(void)
334 {
335     enum s390_reset reset_type;
336     CPUState *cs, *t;
337 
338     /* get the reset parameters, reset them once done */
339     s390_ipl_get_reset_request(&cs, &reset_type);
340 
341     /* all CPUs are paused and synchronized at this point */
342     s390_cmma_reset();
343 
344     switch (reset_type) {
345     case S390_RESET_EXTERNAL:
346     case S390_RESET_REIPL:
347         qemu_devices_reset();
348         s390_crypto_reset();
349 
350         /* configure and start the ipl CPU only */
351         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
352         break;
353     case S390_RESET_MODIFIED_CLEAR:
354         CPU_FOREACH(t) {
355             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
356         }
357         subsystem_reset();
358         s390_crypto_reset();
359         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
360         break;
361     case S390_RESET_LOAD_NORMAL:
362         CPU_FOREACH(t) {
363             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
364         }
365         subsystem_reset();
366         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
367         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
368         break;
369     default:
370         g_assert_not_reached();
371     }
372     s390_ipl_clear_reset_request();
373 }
374 
375 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
376                                      DeviceState *dev, Error **errp)
377 {
378     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
379         s390_cpu_plug(hotplug_dev, dev, errp);
380     }
381 }
382 
383 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
384                                                DeviceState *dev, Error **errp)
385 {
386     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
387         error_setg(errp, "CPU hot unplug not supported on this machine");
388         return;
389     }
390 }
391 
392 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
393                                                      unsigned cpu_index)
394 {
395     MachineClass *mc = MACHINE_GET_CLASS(ms);
396     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
397 
398     assert(cpu_index < possible_cpus->len);
399     return possible_cpus->cpus[cpu_index].props;
400 }
401 
402 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
403 {
404     int i;
405 
406     if (ms->possible_cpus) {
407         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
408         return ms->possible_cpus;
409     }
410 
411     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
412                                   sizeof(CPUArchId) * max_cpus);
413     ms->possible_cpus->len = max_cpus;
414     for (i = 0; i < ms->possible_cpus->len; i++) {
415         ms->possible_cpus->cpus[i].type = ms->cpu_type;
416         ms->possible_cpus->cpus[i].vcpus_count = 1;
417         ms->possible_cpus->cpus[i].arch_id = i;
418         ms->possible_cpus->cpus[i].props.has_core_id = true;
419         ms->possible_cpus->cpus[i].props.core_id = i;
420     }
421 
422     return ms->possible_cpus;
423 }
424 
425 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
426                                                 DeviceState *dev)
427 {
428     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
429         return HOTPLUG_HANDLER(machine);
430     }
431     return NULL;
432 }
433 
434 static void s390_hot_add_cpu(const int64_t id, Error **errp)
435 {
436     MachineState *machine = MACHINE(qdev_get_machine());
437     ObjectClass *oc;
438 
439     g_assert(machine->possible_cpus->cpus[0].cpu);
440     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
441 
442     s390x_new_cpu(object_class_get_name(oc), id, errp);
443 }
444 
445 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
446 {
447     CPUState *cs = qemu_get_cpu(cpu_index);
448 
449     s390_cpu_restart(S390_CPU(cs));
450 }
451 
452 static void ccw_machine_class_init(ObjectClass *oc, void *data)
453 {
454     MachineClass *mc = MACHINE_CLASS(oc);
455     NMIClass *nc = NMI_CLASS(oc);
456     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
457     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
458 
459     s390mc->ri_allowed = true;
460     s390mc->cpu_model_allowed = true;
461     s390mc->css_migration_enabled = true;
462     s390mc->hpage_1m_allowed = true;
463     mc->init = ccw_init;
464     mc->reset = s390_machine_reset;
465     mc->hot_add_cpu = s390_hot_add_cpu;
466     mc->block_default_type = IF_VIRTIO;
467     mc->no_cdrom = 1;
468     mc->no_floppy = 1;
469     mc->no_parallel = 1;
470     mc->no_sdcard = 1;
471     mc->max_cpus = S390_MAX_CPUS;
472     mc->has_hotpluggable_cpus = true;
473     assert(!mc->get_hotplug_handler);
474     mc->get_hotplug_handler = s390_get_hotplug_handler;
475     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
476     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
477     /* it is overridden with 'host' cpu *in kvm_arch_init* */
478     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
479     hc->plug = s390_machine_device_plug;
480     hc->unplug_request = s390_machine_device_unplug_request;
481     nc->nmi_monitor_handler = s390_nmi;
482 }
483 
484 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
485 {
486     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
487 
488     return ms->aes_key_wrap;
489 }
490 
491 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
492                                             Error **errp)
493 {
494     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
495 
496     ms->aes_key_wrap = value;
497 }
498 
499 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
500 {
501     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
502 
503     return ms->dea_key_wrap;
504 }
505 
506 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
507                                             Error **errp)
508 {
509     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
510 
511     ms->dea_key_wrap = value;
512 }
513 
514 static S390CcwMachineClass *current_mc;
515 
516 static S390CcwMachineClass *get_machine_class(void)
517 {
518     if (unlikely(!current_mc)) {
519         /*
520         * No s390 ccw machine was instantiated, we are likely to
521         * be called for the 'none' machine. The properties will
522         * have their after-initialization values.
523         */
524         current_mc = S390_MACHINE_CLASS(
525                      object_class_by_name(TYPE_S390_CCW_MACHINE));
526     }
527     return current_mc;
528 }
529 
530 bool ri_allowed(void)
531 {
532     /* for "none" machine this results in true */
533     return get_machine_class()->ri_allowed;
534 }
535 
536 bool cpu_model_allowed(void)
537 {
538     /* for "none" machine this results in true */
539     return get_machine_class()->cpu_model_allowed;
540 }
541 
542 bool hpage_1m_allowed(void)
543 {
544     /* for "none" machine this results in true */
545     return get_machine_class()->hpage_1m_allowed;
546 }
547 
548 static char *machine_get_loadparm(Object *obj, Error **errp)
549 {
550     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
551 
552     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
553 }
554 
555 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
556 {
557     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
558     int i;
559 
560     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
561         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
562 
563         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
564             (c == ' ')) {
565             ms->loadparm[i] = c;
566         } else {
567             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
568                        c, c);
569             return;
570         }
571     }
572 
573     for (; i < sizeof(ms->loadparm); i++) {
574         ms->loadparm[i] = ' '; /* pad right with spaces */
575     }
576 }
577 static inline void s390_machine_initfn(Object *obj)
578 {
579     object_property_add_bool(obj, "aes-key-wrap",
580                              machine_get_aes_key_wrap,
581                              machine_set_aes_key_wrap, NULL);
582     object_property_set_description(obj, "aes-key-wrap",
583             "enable/disable AES key wrapping using the CPACF wrapping key",
584             NULL);
585     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
586 
587     object_property_add_bool(obj, "dea-key-wrap",
588                              machine_get_dea_key_wrap,
589                              machine_set_dea_key_wrap, NULL);
590     object_property_set_description(obj, "dea-key-wrap",
591             "enable/disable DEA key wrapping using the CPACF wrapping key",
592             NULL);
593     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
594     object_property_add_str(obj, "loadparm",
595             machine_get_loadparm, machine_set_loadparm, NULL);
596     object_property_set_description(obj, "loadparm",
597             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
598             " to upper case) to pass to machine loader, boot manager,"
599             " and guest kernel",
600             NULL);
601 }
602 
603 static const TypeInfo ccw_machine_info = {
604     .name          = TYPE_S390_CCW_MACHINE,
605     .parent        = TYPE_MACHINE,
606     .abstract      = true,
607     .instance_size = sizeof(S390CcwMachineState),
608     .instance_init = s390_machine_initfn,
609     .class_size = sizeof(S390CcwMachineClass),
610     .class_init    = ccw_machine_class_init,
611     .interfaces = (InterfaceInfo[]) {
612         { TYPE_NMI },
613         { TYPE_HOTPLUG_HANDLER},
614         { }
615     },
616 };
617 
618 bool css_migration_enabled(void)
619 {
620     return get_machine_class()->css_migration_enabled;
621 }
622 
623 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
624     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
625                                                   void *data)                 \
626     {                                                                         \
627         MachineClass *mc = MACHINE_CLASS(oc);                                 \
628         ccw_machine_##suffix##_class_options(mc);                             \
629         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
630         if (latest) {                                                         \
631             mc->alias = "s390-ccw-virtio";                                    \
632             mc->is_default = 1;                                               \
633         }                                                                     \
634     }                                                                         \
635     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
636     {                                                                         \
637         MachineState *machine = MACHINE(obj);                                 \
638         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
639         ccw_machine_##suffix##_instance_options(machine);                     \
640     }                                                                         \
641     static const TypeInfo ccw_machine_##suffix##_info = {                     \
642         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
643         .parent = TYPE_S390_CCW_MACHINE,                                      \
644         .class_init = ccw_machine_##suffix##_class_init,                      \
645         .instance_init = ccw_machine_##suffix##_instance_init,                \
646     };                                                                        \
647     static void ccw_machine_register_##suffix(void)                           \
648     {                                                                         \
649         type_register_static(&ccw_machine_##suffix##_info);                   \
650     }                                                                         \
651     type_init(ccw_machine_register_##suffix)
652 
653 static void ccw_machine_4_0_instance_options(MachineState *machine)
654 {
655 }
656 
657 static void ccw_machine_4_0_class_options(MachineClass *mc)
658 {
659 }
660 DEFINE_CCW_MACHINE(4_0, "4.0", true);
661 
662 static void ccw_machine_3_1_instance_options(MachineState *machine)
663 {
664     ccw_machine_4_0_instance_options(machine);
665 }
666 
667 static void ccw_machine_3_1_class_options(MachineClass *mc)
668 {
669     ccw_machine_4_0_class_options(mc);
670     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
671 }
672 DEFINE_CCW_MACHINE(3_1, "3.1", false);
673 
674 static void ccw_machine_3_0_instance_options(MachineState *machine)
675 {
676     ccw_machine_3_1_instance_options(machine);
677 }
678 
679 static void ccw_machine_3_0_class_options(MachineClass *mc)
680 {
681     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
682 
683     s390mc->hpage_1m_allowed = false;
684     ccw_machine_3_1_class_options(mc);
685     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
686 }
687 DEFINE_CCW_MACHINE(3_0, "3.0", false);
688 
689 static void ccw_machine_2_12_instance_options(MachineState *machine)
690 {
691     ccw_machine_3_0_instance_options(machine);
692     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
693     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
694 }
695 
696 static void ccw_machine_2_12_class_options(MachineClass *mc)
697 {
698     ccw_machine_3_0_class_options(mc);
699     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
700 }
701 DEFINE_CCW_MACHINE(2_12, "2.12", false);
702 
703 static void ccw_machine_2_11_instance_options(MachineState *machine)
704 {
705     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
706     ccw_machine_2_12_instance_options(machine);
707 
708     /* before 2.12 we emulated the very first z900 */
709     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
710 }
711 
712 static void ccw_machine_2_11_class_options(MachineClass *mc)
713 {
714     static GlobalProperty compat[] = {
715         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
716     };
717 
718     ccw_machine_2_12_class_options(mc);
719     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
720     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
721 }
722 DEFINE_CCW_MACHINE(2_11, "2.11", false);
723 
724 static void ccw_machine_2_10_instance_options(MachineState *machine)
725 {
726     ccw_machine_2_11_instance_options(machine);
727 }
728 
729 static void ccw_machine_2_10_class_options(MachineClass *mc)
730 {
731     ccw_machine_2_11_class_options(mc);
732     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
733 }
734 DEFINE_CCW_MACHINE(2_10, "2.10", false);
735 
736 static void ccw_machine_2_9_instance_options(MachineState *machine)
737 {
738     ccw_machine_2_10_instance_options(machine);
739     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
740     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
741     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
742     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
743     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
744 }
745 
746 static void ccw_machine_2_9_class_options(MachineClass *mc)
747 {
748     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
749     static GlobalProperty compat[] = {
750         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
751     };
752 
753     ccw_machine_2_10_class_options(mc);
754     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
755     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
756     s390mc->css_migration_enabled = false;
757 }
758 DEFINE_CCW_MACHINE(2_9, "2.9", false);
759 
760 static void ccw_machine_2_8_instance_options(MachineState *machine)
761 {
762     ccw_machine_2_9_instance_options(machine);
763 }
764 
765 static void ccw_machine_2_8_class_options(MachineClass *mc)
766 {
767     static GlobalProperty compat[] = {
768         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
769     };
770 
771     ccw_machine_2_9_class_options(mc);
772     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
773     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
774 }
775 DEFINE_CCW_MACHINE(2_8, "2.8", false);
776 
777 static void ccw_machine_2_7_instance_options(MachineState *machine)
778 {
779     ccw_machine_2_8_instance_options(machine);
780 }
781 
782 static void ccw_machine_2_7_class_options(MachineClass *mc)
783 {
784     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
785 
786     s390mc->cpu_model_allowed = false;
787     ccw_machine_2_8_class_options(mc);
788     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
789 }
790 DEFINE_CCW_MACHINE(2_7, "2.7", false);
791 
792 static void ccw_machine_2_6_instance_options(MachineState *machine)
793 {
794     ccw_machine_2_7_instance_options(machine);
795 }
796 
797 static void ccw_machine_2_6_class_options(MachineClass *mc)
798 {
799     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
800     static GlobalProperty compat[] = {
801         { TYPE_S390_IPL, "iplbext_migration", "off", },
802          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
803     };
804 
805     s390mc->ri_allowed = false;
806     ccw_machine_2_7_class_options(mc);
807     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
808     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
809 }
810 DEFINE_CCW_MACHINE(2_6, "2.6", false);
811 
812 static void ccw_machine_2_5_instance_options(MachineState *machine)
813 {
814     ccw_machine_2_6_instance_options(machine);
815 }
816 
817 static void ccw_machine_2_5_class_options(MachineClass *mc)
818 {
819     ccw_machine_2_6_class_options(mc);
820     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
821 }
822 DEFINE_CCW_MACHINE(2_5, "2.5", false);
823 
824 static void ccw_machine_2_4_instance_options(MachineState *machine)
825 {
826     ccw_machine_2_5_instance_options(machine);
827 }
828 
829 static void ccw_machine_2_4_class_options(MachineClass *mc)
830 {
831     static GlobalProperty compat[] = {
832         { TYPE_S390_SKEYS, "migration-enabled", "off", },
833         { "virtio-blk-ccw", "max_revision", "0", },
834         { "virtio-balloon-ccw", "max_revision", "0", },
835         { "virtio-serial-ccw", "max_revision", "0", },
836         { "virtio-9p-ccw", "max_revision", "0", },
837         { "virtio-rng-ccw", "max_revision", "0", },
838         { "virtio-net-ccw", "max_revision", "0", },
839         { "virtio-scsi-ccw", "max_revision", "0", },
840         { "vhost-scsi-ccw", "max_revision", "0", },
841     };
842 
843     ccw_machine_2_5_class_options(mc);
844     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
845     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
846 }
847 DEFINE_CCW_MACHINE(2_4, "2.4", false);
848 
849 static void ccw_machine_register_types(void)
850 {
851     type_register_static(&ccw_machine_info);
852 }
853 
854 type_init(ccw_machine_register_types)
855