hw/s390x/s390-virtio-ccw.c

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