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 "qemu-common.h"
  16 #include "cpu.h"
  17 #include "hw/boards.h"
  18 #include "exec/address-spaces.h"
  19 #include "hw/s390x/s390-virtio-hcall.h"
  20 #include "hw/s390x/sclp.h"
  21 #include "hw/s390x/s390_flic.h"
  22 #include "hw/s390x/ioinst.h"
  23 #include "hw/s390x/css.h"
  24 #include "virtio-ccw.h"
  25 #include "qemu/config-file.h"
  26 #include "qemu/error-report.h"
  27 #include "s390-pci-bus.h"
  28 #include "hw/s390x/storage-keys.h"
  29 #include "hw/s390x/storage-attributes.h"
  30 #include "hw/compat.h"
  31 #include "ipl.h"
  32 #include "hw/s390x/s390-virtio-ccw.h"
  33 #include "hw/s390x/css-bridge.h"
  34 #include "migration/register.h"
  35 #include "cpu_models.h"
  36 #include "qapi/qmp/qerror.h"
  37 #include "hw/nmi.h"
  38
  39 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  40 {
  41     static MachineState *ms;
  42
  43     if (!ms) {
  44         ms = MACHINE(qdev_get_machine());
  45         g_assert(ms->possible_cpus);
  46     }
  47
  48     /* CPU address corresponds to the core_id and the index */
  49     if (cpu_addr >= ms->possible_cpus->len) {
  50         return NULL;
  51     }
  52     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
  53 }
  54
  55 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
  56                               Error **errp)
  57 {
  58     S390CPU *cpu = S390_CPU(object_new(typename));
  59     Error *err = NULL;
  60
  61     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
  62     if (err != NULL) {
  63         goto out;
  64     }
  65     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
  66
  67 out:
  68     object_unref(OBJECT(cpu));
  69     if (err) {
  70         error_propagate(errp, err);
  71         cpu = NULL;
  72     }
  73     return cpu;
  74 }
  75
  76 static void s390_init_cpus(MachineState *machine)
  77 {
  78     MachineClass *mc = MACHINE_GET_CLASS(machine);
  79     int i;
  80
  81     if (tcg_enabled() && max_cpus > 1) {
  82         error_report("WARNING: SMP support on s390x is experimental!");
  83     }
  84
  85     /* initialize possible_cpus */
  86     mc->possible_cpu_arch_ids(machine);
  87
  88     for (i = 0; i < smp_cpus; i++) {
  89         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
  90     }
  91 }
  92
  93 static const char *const reset_dev_types[] = {
  94     TYPE_VIRTUAL_CSS_BRIDGE,
  95     "s390-sclp-event-facility",
  96     "s390-flic",
  97     "diag288",
  98 };
  99
 100 void subsystem_reset(void)
 101 {
 102     DeviceState *dev;
 103     int i;
 104
 105     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
 106         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
 107         if (dev) {
 108             qdev_reset_all(dev);
 109         }
 110     }
 111 }
 112
 113 static int virtio_ccw_hcall_notify(const uint64_t *args)
 114 {
 115     uint64_t subch_id = args[0];
 116     uint64_t queue = args[1];
 117     SubchDev *sch;
 118     int cssid, ssid, schid, m;
 119
 120     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 121         return -EINVAL;
 122     }
 123     sch = css_find_subch(m, cssid, ssid, schid);
 124     if (!sch || !css_subch_visible(sch)) {
 125         return -EINVAL;
 126     }
 127     if (queue >= VIRTIO_QUEUE_MAX) {
 128         return -EINVAL;
 129     }
 130     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 131     return 0;
 132
 133 }
 134
 135 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 136 {
 137     uint64_t mem = args[0];
 138
 139     if (mem < ram_size) {
 140         /* Early printk */
 141         return 0;
 142     }
 143     return -EINVAL;
 144 }
 145
 146 static void virtio_ccw_register_hcalls(void)
 147 {
 148     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 149                                    virtio_ccw_hcall_notify);
 150     /* Tolerate early printk. */
 151     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 152                                    virtio_ccw_hcall_early_printk);
 153 }
 154
 155 static void s390_memory_init(ram_addr_t mem_size)
 156 {
 157     MemoryRegion *sysmem = get_system_memory();
 158     MemoryRegion *ram = g_new(MemoryRegion, 1);
 159
 160     /* allocate RAM for core */
 161     memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
 162     memory_region_add_subregion(sysmem, 0, ram);
 163
 164     /* Initialize storage key device */
 165     s390_skeys_init();
 166     /* Initialize storage attributes device */
 167     s390_stattrib_init();
 168 }
 169
 170 #define S390_TOD_CLOCK_VALUE_MISSING    0x00
 171 #define S390_TOD_CLOCK_VALUE_PRESENT    0x01
 172
 173 static void gtod_save(QEMUFile *f, void *opaque)
 174 {
 175     uint64_t tod_low;
 176     uint8_t tod_high;
 177     int r;
 178
 179     r = s390_get_clock(&tod_high, &tod_low);
 180     if (r) {
 181         warn_report("Unable to get guest clock for migration: %s",
 182                     strerror(-r));
 183         error_printf("Guest clock will not be migrated "
 184                      "which could cause the guest to hang.");
 185         qemu_put_byte(f, S390_TOD_CLOCK_VALUE_MISSING);
 186         return;
 187     }
 188
 189     qemu_put_byte(f, S390_TOD_CLOCK_VALUE_PRESENT);
 190     qemu_put_byte(f, tod_high);
 191     qemu_put_be64(f, tod_low);
 192 }
 193
 194 static int gtod_load(QEMUFile *f, void *opaque, int version_id)
 195 {
 196     uint64_t tod_low;
 197     uint8_t tod_high;
 198     int r;
 199
 200     if (qemu_get_byte(f) == S390_TOD_CLOCK_VALUE_MISSING) {
 201         warn_report("Guest clock was not migrated. This could "
 202                     "cause the guest to hang.");
 203         return 0;
 204     }
 205
 206     tod_high = qemu_get_byte(f);
 207     tod_low = qemu_get_be64(f);
 208
 209     r = s390_set_clock(&tod_high, &tod_low);
 210     if (r) {
 211         error_report("Unable to set KVM guest TOD clock: %s", strerror(-r));
 212     }
 213
 214     return r;
 215 }
 216
 217 static SaveVMHandlers savevm_gtod = {
 218     .save_state = gtod_save,
 219     .load_state = gtod_load,
 220 };
 221
 222 static void s390_init_ipl_dev(const char *kernel_filename,
 223                               const char *kernel_cmdline,
 224                               const char *initrd_filename, const char *firmware,
 225                               const char *netboot_fw, bool enforce_bios)
 226 {
 227     Object *new = object_new(TYPE_S390_IPL);
 228     DeviceState *dev = DEVICE(new);
 229
 230     if (kernel_filename) {
 231         qdev_prop_set_string(dev, "kernel", kernel_filename);
 232     }
 233     if (initrd_filename) {
 234         qdev_prop_set_string(dev, "initrd", initrd_filename);
 235     }
 236     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 237     qdev_prop_set_string(dev, "firmware", firmware);
 238     qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 239     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 240     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 241                               new, NULL);
 242     object_unref(new);
 243     qdev_init_nofail(dev);
 244 }
 245
 246 static void s390_create_virtio_net(BusState *bus, const char *name)
 247 {
 248     int i;
 249
 250     for (i = 0; i < nb_nics; i++) {
 251         NICInfo *nd = &nd_table[i];
 252         DeviceState *dev;
 253
 254         if (!nd->model) {
 255             nd->model = g_strdup("virtio");
 256         }
 257
 258         qemu_check_nic_model(nd, "virtio");
 259
 260         dev = qdev_create(bus, name);
 261         qdev_set_nic_properties(dev, nd);
 262         qdev_init_nofail(dev);
 263     }
 264 }
 265
 266 static void ccw_init(MachineState *machine)
 267 {
 268     int ret;
 269     VirtualCssBus *css_bus;
 270     DeviceState *dev;
 271
 272     s390_sclp_init();
 273     s390_memory_init(machine->ram_size);
 274
 275     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 276     s390_init_cpus(machine);
 277
 278     s390_flic_init();
 279
 280     /* init the SIGP facility */
 281     s390_init_sigp();
 282
 283     /* get a BUS */
 284     css_bus = virtual_css_bus_init();
 285     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 286                       machine->initrd_filename, "s390-ccw.img",
 287                       "s390-netboot.img", true);
 288
 289     /*
 290      * We cannot easily make the pci host bridge conditional as older QEMUs
 291      * always created it. Doing so would break migration across QEMU versions.
 292      */
 293     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 294     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 295                               OBJECT(dev), NULL);
 296     qdev_init_nofail(dev);
 297
 298     /* register hypercalls */
 299     virtio_ccw_register_hcalls();
 300
 301     s390_enable_css_support(s390_cpu_addr2state(0));
 302     /*
 303      * Non mcss-e enabled guests only see the devices from the default
 304      * css, which is determined by the value of the squash_mcss property.
 305      */
 306     if (css_bus->squash_mcss) {
 307         ret = css_create_css_image(0, true);
 308     } else {
 309         ret = css_create_css_image(VIRTUAL_CSSID, true);
 310     }
 311     if (qemu_opt_get(qemu_get_machine_opts(), "s390-squash-mcss")) {
 312         warn_report("The machine property 's390-squash-mcss' is deprecated"
 313                     " (obsoleted by lifting the cssid restrictions).");
 314     }
 315
 316     assert(ret == 0);
 317     if (css_migration_enabled()) {
 318         css_register_vmstate();
 319     }
 320
 321     /* Create VirtIO network adapters */
 322     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 323
 324     /* Register savevm handler for guest TOD clock */
 325     register_savevm_live(NULL, "todclock", 0, 1, &savevm_gtod, NULL);
 326 }
 327
 328 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 329                         DeviceState *dev, Error **errp)
 330 {
 331     MachineState *ms = MACHINE(hotplug_dev);
 332     S390CPU *cpu = S390_CPU(dev);
 333
 334     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 335     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 336
 337     if (dev->hotplugged) {
 338         raise_irq_cpu_hotplug();
 339     }
 340 }
 341
 342 static void s390_machine_reset(void)
 343 {
 344     S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
 345
 346     s390_cmma_reset();
 347     qemu_devices_reset();
 348     s390_crypto_reset();
 349
 350     /* all cpus are stopped - configure and start the ipl cpu only */
 351     s390_ipl_prepare_cpu(ipl_cpu);
 352     s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu);
 353 }
 354
 355 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 356                                      DeviceState *dev, Error **errp)
 357 {
 358     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 359         s390_cpu_plug(hotplug_dev, dev, errp);
 360     }
 361 }
 362
 363 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 364                                                DeviceState *dev, Error **errp)
 365 {
 366     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 367         error_setg(errp, "CPU hot unplug not supported on this machine");
 368         return;
 369     }
 370 }
 371
 372 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *machine,
 373                                                      unsigned cpu_index)
 374 {
 375     g_assert(machine->possible_cpus && cpu_index < machine->possible_cpus->len);
 376
 377     return machine->possible_cpus->cpus[cpu_index].props;
 378 }
 379
 380 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 381 {
 382     int i;
 383
 384     if (ms->possible_cpus) {
 385         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 386         return ms->possible_cpus;
 387     }
 388
 389     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 390                                   sizeof(CPUArchId) * max_cpus);
 391     ms->possible_cpus->len = max_cpus;
 392     for (i = 0; i < ms->possible_cpus->len; i++) {
 393         ms->possible_cpus->cpus[i].vcpus_count = 1;
 394         ms->possible_cpus->cpus[i].arch_id = i;
 395         ms->possible_cpus->cpus[i].props.has_core_id = true;
 396         ms->possible_cpus->cpus[i].props.core_id = i;
 397     }
 398
 399     return ms->possible_cpus;
 400 }
 401
 402 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 403                                                 DeviceState *dev)
 404 {
 405     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 406         return HOTPLUG_HANDLER(machine);
 407     }
 408     return NULL;
 409 }
 410
 411 static void s390_hot_add_cpu(const int64_t id, Error **errp)
 412 {
 413     MachineState *machine = MACHINE(qdev_get_machine());
 414     ObjectClass *oc;
 415
 416     g_assert(machine->possible_cpus->cpus[0].cpu);
 417     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 418
 419     s390x_new_cpu(object_class_get_name(oc), id, errp);
 420 }
 421
 422 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 423 {
 424     CPUState *cs = qemu_get_cpu(cpu_index);
 425
 426     s390_cpu_restart(S390_CPU(cs));
 427 }
 428
 429 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 430 {
 431     MachineClass *mc = MACHINE_CLASS(oc);
 432     NMIClass *nc = NMI_CLASS(oc);
 433     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 434     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 435
 436     s390mc->ri_allowed = true;
 437     s390mc->cpu_model_allowed = true;
 438     s390mc->css_migration_enabled = true;
 439     mc->init = ccw_init;
 440     mc->reset = s390_machine_reset;
 441     mc->hot_add_cpu = s390_hot_add_cpu;
 442     mc->block_default_type = IF_VIRTIO;
 443     mc->no_cdrom = 1;
 444     mc->no_floppy = 1;
 445     mc->no_serial = 1;
 446     mc->no_parallel = 1;
 447     mc->no_sdcard = 1;
 448     mc->use_sclp = 1;
 449     mc->max_cpus = S390_MAX_CPUS;
 450     mc->has_hotpluggable_cpus = true;
 451     mc->get_hotplug_handler = s390_get_hotplug_handler;
 452     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 453     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 454     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 455     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 456     hc->plug = s390_machine_device_plug;
 457     hc->unplug_request = s390_machine_device_unplug_request;
 458     nc->nmi_monitor_handler = s390_nmi;
 459 }
 460
 461 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 462 {
 463     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 464
 465     return ms->aes_key_wrap;
 466 }
 467
 468 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 469                                             Error **errp)
 470 {
 471     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 472
 473     ms->aes_key_wrap = value;
 474 }
 475
 476 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 477 {
 478     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 479
 480     return ms->dea_key_wrap;
 481 }
 482
 483 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 484                                             Error **errp)
 485 {
 486     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 487
 488     ms->dea_key_wrap = value;
 489 }
 490
 491 static S390CcwMachineClass *current_mc;
 492
 493 static S390CcwMachineClass *get_machine_class(void)
 494 {
 495     if (unlikely(!current_mc)) {
 496         /*
 497         * No s390 ccw machine was instantiated, we are likely to
 498         * be called for the 'none' machine. The properties will
 499         * have their after-initialization values.
 500         */
 501         current_mc = S390_MACHINE_CLASS(
 502                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 503     }
 504     return current_mc;
 505 }
 506
 507 bool ri_allowed(void)
 508 {
 509     /* for "none" machine this results in true */
 510     return get_machine_class()->ri_allowed;
 511 }
 512
 513 bool cpu_model_allowed(void)
 514 {
 515     /* for "none" machine this results in true */
 516     return get_machine_class()->cpu_model_allowed;
 517 }
 518
 519 static char *machine_get_loadparm(Object *obj, Error **errp)
 520 {
 521     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 522
 523     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 524 }
 525
 526 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 527 {
 528     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 529     int i;
 530
 531     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 532         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 533
 534         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 535             (c == ' ')) {
 536             ms->loadparm[i] = c;
 537         } else {
 538             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 539                        c, c);
 540             return;
 541         }
 542     }
 543
 544     for (; i < sizeof(ms->loadparm); i++) {
 545         ms->loadparm[i] = ' '; /* pad right with spaces */
 546     }
 547 }
 548 static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
 549 {
 550     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 551
 552     return ms->s390_squash_mcss;
 553 }
 554
 555 static inline void machine_set_squash_mcss(Object *obj, bool value,
 556                                            Error **errp)
 557 {
 558     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 559
 560     ms->s390_squash_mcss = value;
 561 }
 562
 563 static inline void s390_machine_initfn(Object *obj)
 564 {
 565     object_property_add_bool(obj, "aes-key-wrap",
 566                              machine_get_aes_key_wrap,
 567                              machine_set_aes_key_wrap, NULL);
 568     object_property_set_description(obj, "aes-key-wrap",
 569             "enable/disable AES key wrapping using the CPACF wrapping key",
 570             NULL);
 571     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 572
 573     object_property_add_bool(obj, "dea-key-wrap",
 574                              machine_get_dea_key_wrap,
 575                              machine_set_dea_key_wrap, NULL);
 576     object_property_set_description(obj, "dea-key-wrap",
 577             "enable/disable DEA key wrapping using the CPACF wrapping key",
 578             NULL);
 579     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 580     object_property_add_str(obj, "loadparm",
 581             machine_get_loadparm, machine_set_loadparm, NULL);
 582     object_property_set_description(obj, "loadparm",
 583             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 584             " to upper case) to pass to machine loader, boot manager,"
 585             " and guest kernel",
 586             NULL);
 587     object_property_add_bool(obj, "s390-squash-mcss",
 588                              machine_get_squash_mcss,
 589                              machine_set_squash_mcss, NULL);
 590     object_property_set_description(obj, "s390-squash-mcss", "(deprecated) "
 591             "enable/disable squashing subchannels into the default css",
 592             NULL);
 593     object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
 594 }
 595
 596 static const TypeInfo ccw_machine_info = {
 597     .name          = TYPE_S390_CCW_MACHINE,
 598     .parent        = TYPE_MACHINE,
 599     .abstract      = true,
 600     .instance_size = sizeof(S390CcwMachineState),
 601     .instance_init = s390_machine_initfn,
 602     .class_size = sizeof(S390CcwMachineClass),
 603     .class_init    = ccw_machine_class_init,
 604     .interfaces = (InterfaceInfo[]) {
 605         { TYPE_NMI },
 606         { TYPE_HOTPLUG_HANDLER},
 607         { }
 608     },
 609 };
 610
 611 bool css_migration_enabled(void)
 612 {
 613     return get_machine_class()->css_migration_enabled;
 614 }
 615
 616 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 617     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 618                                                   void *data)                 \
 619     {                                                                         \
 620         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 621         ccw_machine_##suffix##_class_options(mc);                             \
 622         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 623         if (latest) {                                                         \
 624             mc->alias = "s390-ccw-virtio";                                    \
 625             mc->is_default = 1;                                               \
 626         }                                                                     \
 627     }                                                                         \
 628     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 629     {                                                                         \
 630         MachineState *machine = MACHINE(obj);                                 \
 631         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 632         ccw_machine_##suffix##_instance_options(machine);                     \
 633     }                                                                         \
 634     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 635         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 636         .parent = TYPE_S390_CCW_MACHINE,                                      \
 637         .class_init = ccw_machine_##suffix##_class_init,                      \
 638         .instance_init = ccw_machine_##suffix##_instance_init,                \
 639     };                                                                        \
 640     static void ccw_machine_register_##suffix(void)                           \
 641     {                                                                         \
 642         type_register_static(&ccw_machine_##suffix##_info);                   \
 643     }                                                                         \
 644     type_init(ccw_machine_register_##suffix)
 645
 646 #define CCW_COMPAT_2_11 \
 647         HW_COMPAT_2_11
 648
 649 #define CCW_COMPAT_2_10 \
 650         HW_COMPAT_2_10
 651
 652 #define CCW_COMPAT_2_9 \
 653         HW_COMPAT_2_9 \
 654         {\
 655             .driver   = TYPE_S390_STATTRIB,\
 656             .property = "migration-enabled",\
 657             .value    = "off",\
 658         },
 659
 660 #define CCW_COMPAT_2_8 \
 661         HW_COMPAT_2_8 \
 662         {\
 663             .driver   = TYPE_S390_FLIC_COMMON,\
 664             .property = "adapter_routes_max_batch",\
 665             .value    = "64",\
 666         },
 667
 668 #define CCW_COMPAT_2_7 \
 669         HW_COMPAT_2_7
 670
 671 #define CCW_COMPAT_2_6 \
 672         HW_COMPAT_2_6 \
 673         {\
 674             .driver   = TYPE_S390_IPL,\
 675             .property = "iplbext_migration",\
 676             .value    = "off",\
 677         }, {\
 678             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
 679             .property = "css_dev_path",\
 680             .value    = "off",\
 681         },
 682
 683 #define CCW_COMPAT_2_5 \
 684         HW_COMPAT_2_5
 685
 686 #define CCW_COMPAT_2_4 \
 687         HW_COMPAT_2_4 \
 688         {\
 689             .driver   = TYPE_S390_SKEYS,\
 690             .property = "migration-enabled",\
 691             .value    = "off",\
 692         },{\
 693             .driver   = "virtio-blk-ccw",\
 694             .property = "max_revision",\
 695             .value    = "0",\
 696         },{\
 697             .driver   = "virtio-balloon-ccw",\
 698             .property = "max_revision",\
 699             .value    = "0",\
 700         },{\
 701             .driver   = "virtio-serial-ccw",\
 702             .property = "max_revision",\
 703             .value    = "0",\
 704         },{\
 705             .driver   = "virtio-9p-ccw",\
 706             .property = "max_revision",\
 707             .value    = "0",\
 708         },{\
 709             .driver   = "virtio-rng-ccw",\
 710             .property = "max_revision",\
 711             .value    = "0",\
 712         },{\
 713             .driver   = "virtio-net-ccw",\
 714             .property = "max_revision",\
 715             .value    = "0",\
 716         },{\
 717             .driver   = "virtio-scsi-ccw",\
 718             .property = "max_revision",\
 719             .value    = "0",\
 720         },{\
 721             .driver   = "vhost-scsi-ccw",\
 722             .property = "max_revision",\
 723             .value    = "0",\
 724         },
 725
 726 static void ccw_machine_2_12_instance_options(MachineState *machine)
 727 {
 728 }
 729
 730 static void ccw_machine_2_12_class_options(MachineClass *mc)
 731 {
 732 }
 733 DEFINE_CCW_MACHINE(2_12, "2.12", true);
 734
 735 static void ccw_machine_2_11_instance_options(MachineState *machine)
 736 {
 737     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 738     ccw_machine_2_12_instance_options(machine);
 739
 740     /* before 2.12 we emulated the very first z900 */
 741     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 742 }
 743
 744 static void ccw_machine_2_11_class_options(MachineClass *mc)
 745 {
 746     ccw_machine_2_12_class_options(mc);
 747     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11);
 748 }
 749 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 750
 751 static void ccw_machine_2_10_instance_options(MachineState *machine)
 752 {
 753     ccw_machine_2_11_instance_options(machine);
 754 }
 755
 756 static void ccw_machine_2_10_class_options(MachineClass *mc)
 757 {
 758     ccw_machine_2_11_class_options(mc);
 759     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
 760 }
 761 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 762
 763 static void ccw_machine_2_9_instance_options(MachineState *machine)
 764 {
 765     ccw_machine_2_10_instance_options(machine);
 766     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 767     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 768     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 769     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 770     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 771 }
 772
 773 static void ccw_machine_2_9_class_options(MachineClass *mc)
 774 {
 775     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 776
 777     ccw_machine_2_10_class_options(mc);
 778     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
 779     s390mc->css_migration_enabled = false;
 780 }
 781 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 782
 783 static void ccw_machine_2_8_instance_options(MachineState *machine)
 784 {
 785     ccw_machine_2_9_instance_options(machine);
 786 }
 787
 788 static void ccw_machine_2_8_class_options(MachineClass *mc)
 789 {
 790     ccw_machine_2_9_class_options(mc);
 791     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
 792 }
 793 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 794
 795 static void ccw_machine_2_7_instance_options(MachineState *machine)
 796 {
 797     ccw_machine_2_8_instance_options(machine);
 798 }
 799
 800 static void ccw_machine_2_7_class_options(MachineClass *mc)
 801 {
 802     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 803
 804     s390mc->cpu_model_allowed = false;
 805     ccw_machine_2_8_class_options(mc);
 806     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
 807 }
 808 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 809
 810 static void ccw_machine_2_6_instance_options(MachineState *machine)
 811 {
 812     ccw_machine_2_7_instance_options(machine);
 813 }
 814
 815 static void ccw_machine_2_6_class_options(MachineClass *mc)
 816 {
 817     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 818
 819     s390mc->ri_allowed = false;
 820     ccw_machine_2_7_class_options(mc);
 821     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
 822 }
 823 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 824
 825 static void ccw_machine_2_5_instance_options(MachineState *machine)
 826 {
 827     ccw_machine_2_6_instance_options(machine);
 828 }
 829
 830 static void ccw_machine_2_5_class_options(MachineClass *mc)
 831 {
 832     ccw_machine_2_6_class_options(mc);
 833     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
 834 }
 835 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 836
 837 static void ccw_machine_2_4_instance_options(MachineState *machine)
 838 {
 839     ccw_machine_2_5_instance_options(machine);
 840 }
 841
 842 static void ccw_machine_2_4_class_options(MachineClass *mc)
 843 {
 844     ccw_machine_2_5_class_options(mc);
 845     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
 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)