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 "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     s390mc->hpage_1m_allowed = true;
 460     mc->init = ccw_init;
 461     mc->reset = s390_machine_reset;
 462     mc->hot_add_cpu = s390_hot_add_cpu;
 463     mc->block_default_type = IF_VIRTIO;
 464     mc->no_cdrom = 1;
 465     mc->no_floppy = 1;
 466     mc->no_parallel = 1;
 467     mc->no_sdcard = 1;
 468     mc->max_cpus = S390_MAX_CPUS;
 469     mc->has_hotpluggable_cpus = true;
 470     assert(!mc->get_hotplug_handler);
 471     mc->get_hotplug_handler = s390_get_hotplug_handler;
 472     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 473     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 474     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 475     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 476     hc->plug = s390_machine_device_plug;
 477     hc->unplug_request = s390_machine_device_unplug_request;
 478     nc->nmi_monitor_handler = s390_nmi;
 479 }
 480
 481 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 482 {
 483     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 484
 485     return ms->aes_key_wrap;
 486 }
 487
 488 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 489                                             Error **errp)
 490 {
 491     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 492
 493     ms->aes_key_wrap = value;
 494 }
 495
 496 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 497 {
 498     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 499
 500     return ms->dea_key_wrap;
 501 }
 502
 503 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 504                                             Error **errp)
 505 {
 506     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 507
 508     ms->dea_key_wrap = value;
 509 }
 510
 511 static S390CcwMachineClass *current_mc;
 512
 513 static S390CcwMachineClass *get_machine_class(void)
 514 {
 515     if (unlikely(!current_mc)) {
 516         /*
 517         * No s390 ccw machine was instantiated, we are likely to
 518         * be called for the 'none' machine. The properties will
 519         * have their after-initialization values.
 520         */
 521         current_mc = S390_MACHINE_CLASS(
 522                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 523     }
 524     return current_mc;
 525 }
 526
 527 bool ri_allowed(void)
 528 {
 529     /* for "none" machine this results in true */
 530     return get_machine_class()->ri_allowed;
 531 }
 532
 533 bool cpu_model_allowed(void)
 534 {
 535     /* for "none" machine this results in true */
 536     return get_machine_class()->cpu_model_allowed;
 537 }
 538
 539 bool hpage_1m_allowed(void)
 540 {
 541     /* for "none" machine this results in true */
 542     return get_machine_class()->hpage_1m_allowed;
 543 }
 544
 545 static char *machine_get_loadparm(Object *obj, Error **errp)
 546 {
 547     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 548
 549     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 550 }
 551
 552 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 553 {
 554     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 555     int i;
 556
 557     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 558         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 559
 560         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 561             (c == ' ')) {
 562             ms->loadparm[i] = c;
 563         } else {
 564             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 565                        c, c);
 566             return;
 567         }
 568     }
 569
 570     for (; i < sizeof(ms->loadparm); i++) {
 571         ms->loadparm[i] = ' '; /* pad right with spaces */
 572     }
 573 }
 574 static inline void s390_machine_initfn(Object *obj)
 575 {
 576     object_property_add_bool(obj, "aes-key-wrap",
 577                              machine_get_aes_key_wrap,
 578                              machine_set_aes_key_wrap, NULL);
 579     object_property_set_description(obj, "aes-key-wrap",
 580             "enable/disable AES key wrapping using the CPACF wrapping key",
 581             NULL);
 582     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 583
 584     object_property_add_bool(obj, "dea-key-wrap",
 585                              machine_get_dea_key_wrap,
 586                              machine_set_dea_key_wrap, NULL);
 587     object_property_set_description(obj, "dea-key-wrap",
 588             "enable/disable DEA key wrapping using the CPACF wrapping key",
 589             NULL);
 590     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 591     object_property_add_str(obj, "loadparm",
 592             machine_get_loadparm, machine_set_loadparm, NULL);
 593     object_property_set_description(obj, "loadparm",
 594             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 595             " to upper case) to pass to machine loader, boot manager,"
 596             " and guest kernel",
 597             NULL);
 598 }
 599
 600 static const TypeInfo ccw_machine_info = {
 601     .name          = TYPE_S390_CCW_MACHINE,
 602     .parent        = TYPE_MACHINE,
 603     .abstract      = true,
 604     .instance_size = sizeof(S390CcwMachineState),
 605     .instance_init = s390_machine_initfn,
 606     .class_size = sizeof(S390CcwMachineClass),
 607     .class_init    = ccw_machine_class_init,
 608     .interfaces = (InterfaceInfo[]) {
 609         { TYPE_NMI },
 610         { TYPE_HOTPLUG_HANDLER},
 611         { }
 612     },
 613 };
 614
 615 bool css_migration_enabled(void)
 616 {
 617     return get_machine_class()->css_migration_enabled;
 618 }
 619
 620 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 621     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 622                                                   void *data)                 \
 623     {                                                                         \
 624         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 625         ccw_machine_##suffix##_class_options(mc);                             \
 626         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 627         if (latest) {                                                         \
 628             mc->alias = "s390-ccw-virtio";                                    \
 629             mc->is_default = 1;                                               \
 630         }                                                                     \
 631     }                                                                         \
 632     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 633     {                                                                         \
 634         MachineState *machine = MACHINE(obj);                                 \
 635         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 636         ccw_machine_##suffix##_instance_options(machine);                     \
 637     }                                                                         \
 638     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 639         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 640         .parent = TYPE_S390_CCW_MACHINE,                                      \
 641         .class_init = ccw_machine_##suffix##_class_init,                      \
 642         .instance_init = ccw_machine_##suffix##_instance_init,                \
 643     };                                                                        \
 644     static void ccw_machine_register_##suffix(void)                           \
 645     {                                                                         \
 646         type_register_static(&ccw_machine_##suffix##_info);                   \
 647     }                                                                         \
 648     type_init(ccw_machine_register_##suffix)
 649
 650 #define CCW_COMPAT_3_0 \
 651         HW_COMPAT_3_0
 652
 653 #define CCW_COMPAT_2_12 \
 654         HW_COMPAT_2_12
 655
 656 #define CCW_COMPAT_2_11 \
 657         HW_COMPAT_2_11 \
 658         {\
 659             .driver   = TYPE_SCLP_EVENT_FACILITY,\
 660             .property = "allow_all_mask_sizes",\
 661             .value    = "off",\
 662         },
 663
 664 #define CCW_COMPAT_2_10 \
 665         HW_COMPAT_2_10
 666
 667 #define CCW_COMPAT_2_9 \
 668         HW_COMPAT_2_9 \
 669         {\
 670             .driver   = TYPE_S390_STATTRIB,\
 671             .property = "migration-enabled",\
 672             .value    = "off",\
 673         },
 674
 675 #define CCW_COMPAT_2_8 \
 676         HW_COMPAT_2_8 \
 677         {\
 678             .driver   = TYPE_S390_FLIC_COMMON,\
 679             .property = "adapter_routes_max_batch",\
 680             .value    = "64",\
 681         },
 682
 683 #define CCW_COMPAT_2_7 \
 684         HW_COMPAT_2_7
 685
 686 #define CCW_COMPAT_2_6 \
 687         HW_COMPAT_2_6 \
 688         {\
 689             .driver   = TYPE_S390_IPL,\
 690             .property = "iplbext_migration",\
 691             .value    = "off",\
 692         }, {\
 693             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
 694             .property = "css_dev_path",\
 695             .value    = "off",\
 696         },
 697
 698 #define CCW_COMPAT_2_5 \
 699         HW_COMPAT_2_5
 700
 701 #define CCW_COMPAT_2_4 \
 702         HW_COMPAT_2_4 \
 703         {\
 704             .driver   = TYPE_S390_SKEYS,\
 705             .property = "migration-enabled",\
 706             .value    = "off",\
 707         },{\
 708             .driver   = "virtio-blk-ccw",\
 709             .property = "max_revision",\
 710             .value    = "0",\
 711         },{\
 712             .driver   = "virtio-balloon-ccw",\
 713             .property = "max_revision",\
 714             .value    = "0",\
 715         },{\
 716             .driver   = "virtio-serial-ccw",\
 717             .property = "max_revision",\
 718             .value    = "0",\
 719         },{\
 720             .driver   = "virtio-9p-ccw",\
 721             .property = "max_revision",\
 722             .value    = "0",\
 723         },{\
 724             .driver   = "virtio-rng-ccw",\
 725             .property = "max_revision",\
 726             .value    = "0",\
 727         },{\
 728             .driver   = "virtio-net-ccw",\
 729             .property = "max_revision",\
 730             .value    = "0",\
 731         },{\
 732             .driver   = "virtio-scsi-ccw",\
 733             .property = "max_revision",\
 734             .value    = "0",\
 735         },{\
 736             .driver   = "vhost-scsi-ccw",\
 737             .property = "max_revision",\
 738             .value    = "0",\
 739         },
 740
 741 static void ccw_machine_3_1_instance_options(MachineState *machine)
 742 {
 743 }
 744
 745 static void ccw_machine_3_1_class_options(MachineClass *mc)
 746 {
 747 }
 748 DEFINE_CCW_MACHINE(3_1, "3.1", true);
 749
 750 static void ccw_machine_3_0_instance_options(MachineState *machine)
 751 {
 752     ccw_machine_3_1_instance_options(machine);
 753 }
 754
 755 static void ccw_machine_3_0_class_options(MachineClass *mc)
 756 {
 757     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 758
 759     s390mc->hpage_1m_allowed = false;
 760     ccw_machine_3_1_class_options(mc);
 761     SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_0);
 762 }
 763 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 764
 765 static void ccw_machine_2_12_instance_options(MachineState *machine)
 766 {
 767     ccw_machine_3_0_instance_options(machine);
 768     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
 769     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
 770 }
 771
 772 static void ccw_machine_2_12_class_options(MachineClass *mc)
 773 {
 774     ccw_machine_3_0_class_options(mc);
 775     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12);
 776 }
 777 DEFINE_CCW_MACHINE(2_12, "2.12", false);
 778
 779 static void ccw_machine_2_11_instance_options(MachineState *machine)
 780 {
 781     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 782     ccw_machine_2_12_instance_options(machine);
 783
 784     /* before 2.12 we emulated the very first z900 */
 785     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 786 }
 787
 788 static void ccw_machine_2_11_class_options(MachineClass *mc)
 789 {
 790     ccw_machine_2_12_class_options(mc);
 791     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11);
 792 }
 793 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 794
 795 static void ccw_machine_2_10_instance_options(MachineState *machine)
 796 {
 797     ccw_machine_2_11_instance_options(machine);
 798 }
 799
 800 static void ccw_machine_2_10_class_options(MachineClass *mc)
 801 {
 802     ccw_machine_2_11_class_options(mc);
 803     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
 804 }
 805 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 806
 807 static void ccw_machine_2_9_instance_options(MachineState *machine)
 808 {
 809     ccw_machine_2_10_instance_options(machine);
 810     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 811     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 812     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 813     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 814     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 815 }
 816
 817 static void ccw_machine_2_9_class_options(MachineClass *mc)
 818 {
 819     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 820
 821     ccw_machine_2_10_class_options(mc);
 822     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
 823     s390mc->css_migration_enabled = false;
 824 }
 825 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 826
 827 static void ccw_machine_2_8_instance_options(MachineState *machine)
 828 {
 829     ccw_machine_2_9_instance_options(machine);
 830 }
 831
 832 static void ccw_machine_2_8_class_options(MachineClass *mc)
 833 {
 834     ccw_machine_2_9_class_options(mc);
 835     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
 836 }
 837 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 838
 839 static void ccw_machine_2_7_instance_options(MachineState *machine)
 840 {
 841     ccw_machine_2_8_instance_options(machine);
 842 }
 843
 844 static void ccw_machine_2_7_class_options(MachineClass *mc)
 845 {
 846     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 847
 848     s390mc->cpu_model_allowed = false;
 849     ccw_machine_2_8_class_options(mc);
 850     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
 851 }
 852 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 853
 854 static void ccw_machine_2_6_instance_options(MachineState *machine)
 855 {
 856     ccw_machine_2_7_instance_options(machine);
 857 }
 858
 859 static void ccw_machine_2_6_class_options(MachineClass *mc)
 860 {
 861     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 862
 863     s390mc->ri_allowed = false;
 864     ccw_machine_2_7_class_options(mc);
 865     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
 866 }
 867 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 868
 869 static void ccw_machine_2_5_instance_options(MachineState *machine)
 870 {
 871     ccw_machine_2_6_instance_options(machine);
 872 }
 873
 874 static void ccw_machine_2_5_class_options(MachineClass *mc)
 875 {
 876     ccw_machine_2_6_class_options(mc);
 877     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
 878 }
 879 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 880
 881 static void ccw_machine_2_4_instance_options(MachineState *machine)
 882 {
 883     ccw_machine_2_5_instance_options(machine);
 884 }
 885
 886 static void ccw_machine_2_4_class_options(MachineClass *mc)
 887 {
 888     ccw_machine_2_5_class_options(mc);
 889     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
 890 }
 891 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 892
 893 static void ccw_machine_register_types(void)
 894 {
 895     type_register_static(&ccw_machine_info);
 896 }
 897
 898 type_init(ccw_machine_register_types)