hw/s390x/s390-virtio-ccw.c

   1 /*
   2  * virtio ccw machine
   3  *
   4  * Copyright 2012 IBM Corp.
   5  * Copyright (c) 2009 Alexander Graf <[email protected]>
   6  * Author(s): Cornelia Huck <[email protected]>
   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/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 "hw/nmi.h"
  37
  38 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  39 {
  40     static MachineState *ms;
  41
  42     if (!ms) {
  43         ms = MACHINE(qdev_get_machine());
  44         g_assert(ms->possible_cpus);
  45     }
  46
  47     /* CPU address corresponds to the core_id and the index */
  48     if (cpu_addr >= ms->possible_cpus->len) {
  49         return NULL;
  50     }
  51     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
  52 }
  53
  54 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
  55                               Error **errp)
  56 {
  57     S390CPU *cpu = S390_CPU(object_new(typename));
  58     Error *err = NULL;
  59
  60     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
  61     if (err != NULL) {
  62         goto out;
  63     }
  64     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
  65
  66 out:
  67     object_unref(OBJECT(cpu));
  68     if (err) {
  69         error_propagate(errp, err);
  70         cpu = NULL;
  71     }
  72     return cpu;
  73 }
  74
  75 static void s390_init_cpus(MachineState *machine)
  76 {
  77     MachineClass *mc = MACHINE_GET_CLASS(machine);
  78     int i;
  79
  80     /* initialize possible_cpus */
  81     mc->possible_cpu_arch_ids(machine);
  82
  83     for (i = 0; i < smp_cpus; i++) {
  84         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
  85     }
  86 }
  87
  88 static const char *const reset_dev_types[] = {
  89     TYPE_VIRTUAL_CSS_BRIDGE,
  90     "s390-sclp-event-facility",
  91     "s390-flic",
  92     "diag288",
  93 };
  94
  95 void subsystem_reset(void)
  96 {
  97     DeviceState *dev;
  98     int i;
  99
 100     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
 101         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
 102         if (dev) {
 103             qdev_reset_all(dev);
 104         }
 105     }
 106 }
 107
 108 static int virtio_ccw_hcall_notify(const uint64_t *args)
 109 {
 110     uint64_t subch_id = args[0];
 111     uint64_t queue = args[1];
 112     SubchDev *sch;
 113     int cssid, ssid, schid, m;
 114
 115     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 116         return -EINVAL;
 117     }
 118     sch = css_find_subch(m, cssid, ssid, schid);
 119     if (!sch || !css_subch_visible(sch)) {
 120         return -EINVAL;
 121     }
 122     if (queue >= VIRTIO_QUEUE_MAX) {
 123         return -EINVAL;
 124     }
 125     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 126     return 0;
 127
 128 }
 129
 130 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 131 {
 132     uint64_t mem = args[0];
 133
 134     if (mem < ram_size) {
 135         /* Early printk */
 136         return 0;
 137     }
 138     return -EINVAL;
 139 }
 140
 141 static void virtio_ccw_register_hcalls(void)
 142 {
 143     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 144                                    virtio_ccw_hcall_notify);
 145     /* Tolerate early printk. */
 146     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 147                                    virtio_ccw_hcall_early_printk);
 148 }
 149
 150 /*
 151  * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages
 152  * as the dirty bitmap must be managed by bitops that take an int as
 153  * position indicator. If we have a guest beyond that we will split off
 154  * new subregions. The split must happen on a segment boundary (1MB).
 155  */
 156 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1)
 157 #define SEG_MSK (~0xfffffULL)
 158 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK)
 159 static void s390_memory_init(ram_addr_t mem_size)
 160 {
 161     MemoryRegion *sysmem = get_system_memory();
 162     ram_addr_t chunk, offset = 0;
 163     unsigned int number = 0;
 164     gchar *name;
 165
 166     /* allocate RAM for core */
 167     name = g_strdup_printf("s390.ram");
 168     while (mem_size) {
 169         MemoryRegion *ram = g_new(MemoryRegion, 1);
 170         uint64_t size = mem_size;
 171
 172         /* KVM does not allow memslots >= 8 TB */
 173         chunk = MIN(size, KVM_SLOT_MAX_BYTES);
 174         memory_region_allocate_system_memory(ram, NULL, name, chunk);
 175         memory_region_add_subregion(sysmem, offset, ram);
 176         mem_size -= chunk;
 177         offset += chunk;
 178         g_free(name);
 179         name = g_strdup_printf("s390.ram.%u", ++number);
 180     }
 181     g_free(name);
 182
 183     /* Initialize storage key device */
 184     s390_skeys_init();
 185     /* Initialize storage attributes device */
 186     s390_stattrib_init();
 187 }
 188
 189 #define S390_TOD_CLOCK_VALUE_MISSING    0x00
 190 #define S390_TOD_CLOCK_VALUE_PRESENT    0x01
 191
 192 static void gtod_save(QEMUFile *f, void *opaque)
 193 {
 194     uint64_t tod_low;
 195     uint8_t tod_high;
 196     int r;
 197
 198     r = s390_get_clock(&tod_high, &tod_low);
 199     if (r) {
 200         warn_report("Unable to get guest clock for migration: %s",
 201                     strerror(-r));
 202         error_printf("Guest clock will not be migrated "
 203                      "which could cause the guest to hang.");
 204         qemu_put_byte(f, S390_TOD_CLOCK_VALUE_MISSING);
 205         return;
 206     }
 207
 208     qemu_put_byte(f, S390_TOD_CLOCK_VALUE_PRESENT);
 209     qemu_put_byte(f, tod_high);
 210     qemu_put_be64(f, tod_low);
 211 }
 212
 213 static int gtod_load(QEMUFile *f, void *opaque, int version_id)
 214 {
 215     uint64_t tod_low;
 216     uint8_t tod_high;
 217     int r;
 218
 219     if (qemu_get_byte(f) == S390_TOD_CLOCK_VALUE_MISSING) {
 220         warn_report("Guest clock was not migrated. This could "
 221                     "cause the guest to hang.");
 222         return 0;
 223     }
 224
 225     tod_high = qemu_get_byte(f);
 226     tod_low = qemu_get_be64(f);
 227
 228     r = s390_set_clock(&tod_high, &tod_low);
 229     if (r) {
 230         error_report("Unable to set KVM guest TOD clock: %s", strerror(-r));
 231     }
 232
 233     return r;
 234 }
 235
 236 static SaveVMHandlers savevm_gtod = {
 237     .save_state = gtod_save,
 238     .load_state = gtod_load,
 239 };
 240
 241 static void s390_init_ipl_dev(const char *kernel_filename,
 242                               const char *kernel_cmdline,
 243                               const char *initrd_filename, const char *firmware,
 244                               const char *netboot_fw, bool enforce_bios)
 245 {
 246     Object *new = object_new(TYPE_S390_IPL);
 247     DeviceState *dev = DEVICE(new);
 248
 249     if (kernel_filename) {
 250         qdev_prop_set_string(dev, "kernel", kernel_filename);
 251     }
 252     if (initrd_filename) {
 253         qdev_prop_set_string(dev, "initrd", initrd_filename);
 254     }
 255     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 256     qdev_prop_set_string(dev, "firmware", firmware);
 257     qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 258     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 259     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 260                               new, NULL);
 261     object_unref(new);
 262     qdev_init_nofail(dev);
 263 }
 264
 265 static void s390_create_virtio_net(BusState *bus, const char *name)
 266 {
 267     int i;
 268
 269     for (i = 0; i < nb_nics; i++) {
 270         NICInfo *nd = &nd_table[i];
 271         DeviceState *dev;
 272
 273         if (!nd->model) {
 274             nd->model = g_strdup("virtio");
 275         }
 276
 277         qemu_check_nic_model(nd, "virtio");
 278
 279         dev = qdev_create(bus, name);
 280         qdev_set_nic_properties(dev, nd);
 281         qdev_init_nofail(dev);
 282     }
 283 }
 284
 285 static void ccw_init(MachineState *machine)
 286 {
 287     int ret;
 288     VirtualCssBus *css_bus;
 289     DeviceState *dev;
 290
 291     s390_sclp_init();
 292     s390_memory_init(machine->ram_size);
 293
 294     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 295     s390_init_cpus(machine);
 296
 297     s390_flic_init();
 298
 299     /* init the SIGP facility */
 300     s390_init_sigp();
 301
 302     /* get a BUS */
 303     css_bus = virtual_css_bus_init();
 304     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 305                       machine->initrd_filename, "s390-ccw.img",
 306                       "s390-netboot.img", true);
 307
 308     /*
 309      * We cannot easily make the pci host bridge conditional as older QEMUs
 310      * always created it. Doing so would break migration across QEMU versions.
 311      */
 312     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 313     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 314                               OBJECT(dev), NULL);
 315     qdev_init_nofail(dev);
 316
 317     /* register hypercalls */
 318     virtio_ccw_register_hcalls();
 319
 320     s390_enable_css_support(s390_cpu_addr2state(0));
 321     /*
 322      * Non mcss-e enabled guests only see the devices from the default
 323      * css, which is determined by the value of the squash_mcss property.
 324      */
 325     if (css_bus->squash_mcss) {
 326         ret = css_create_css_image(0, true);
 327     } else {
 328         ret = css_create_css_image(VIRTUAL_CSSID, true);
 329     }
 330     if (qemu_opt_get(qemu_get_machine_opts(), "s390-squash-mcss")) {
 331         warn_report("The machine property 's390-squash-mcss' is deprecated"
 332                     " (obsoleted by lifting the cssid restrictions).");
 333     }
 334
 335     assert(ret == 0);
 336     if (css_migration_enabled()) {
 337         css_register_vmstate();
 338     }
 339
 340     /* Create VirtIO network adapters */
 341     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 342
 343     /* Register savevm handler for guest TOD clock */
 344     register_savevm_live(NULL, "todclock", 0, 1, &savevm_gtod, NULL);
 345 }
 346
 347 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 348                         DeviceState *dev, Error **errp)
 349 {
 350     MachineState *ms = MACHINE(hotplug_dev);
 351     S390CPU *cpu = S390_CPU(dev);
 352
 353     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 354     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 355
 356     if (dev->hotplugged) {
 357         raise_irq_cpu_hotplug();
 358     }
 359 }
 360
 361 static void s390_machine_reset(void)
 362 {
 363     S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
 364
 365     s390_cmma_reset();
 366     qemu_devices_reset();
 367     s390_crypto_reset();
 368
 369     /* all cpus are stopped - configure and start the ipl cpu only */
 370     s390_ipl_prepare_cpu(ipl_cpu);
 371     s390_cpu_set_state(S390_CPU_STATE_OPERATING, ipl_cpu);
 372 }
 373
 374 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 375                                      DeviceState *dev, Error **errp)
 376 {
 377     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 378         s390_cpu_plug(hotplug_dev, dev, errp);
 379     }
 380 }
 381
 382 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 383                                                DeviceState *dev, Error **errp)
 384 {
 385     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 386         error_setg(errp, "CPU hot unplug not supported on this machine");
 387         return;
 388     }
 389 }
 390
 391 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *machine,
 392                                                      unsigned cpu_index)
 393 {
 394     g_assert(machine->possible_cpus && cpu_index < machine->possible_cpus->len);
 395
 396     return machine->possible_cpus->cpus[cpu_index].props;
 397 }
 398
 399 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 400 {
 401     int i;
 402
 403     if (ms->possible_cpus) {
 404         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 405         return ms->possible_cpus;
 406     }
 407
 408     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 409                                   sizeof(CPUArchId) * max_cpus);
 410     ms->possible_cpus->len = max_cpus;
 411     for (i = 0; i < ms->possible_cpus->len; i++) {
 412         ms->possible_cpus->cpus[i].type = ms->cpu_type;
 413         ms->possible_cpus->cpus[i].vcpus_count = 1;
 414         ms->possible_cpus->cpus[i].arch_id = i;
 415         ms->possible_cpus->cpus[i].props.has_core_id = true;
 416         ms->possible_cpus->cpus[i].props.core_id = i;
 417     }
 418
 419     return ms->possible_cpus;
 420 }
 421
 422 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 423                                                 DeviceState *dev)
 424 {
 425     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 426         return HOTPLUG_HANDLER(machine);
 427     }
 428     return NULL;
 429 }
 430
 431 static void s390_hot_add_cpu(const int64_t id, Error **errp)
 432 {
 433     MachineState *machine = MACHINE(qdev_get_machine());
 434     ObjectClass *oc;
 435
 436     g_assert(machine->possible_cpus->cpus[0].cpu);
 437     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 438
 439     s390x_new_cpu(object_class_get_name(oc), id, errp);
 440 }
 441
 442 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 443 {
 444     CPUState *cs = qemu_get_cpu(cpu_index);
 445
 446     s390_cpu_restart(S390_CPU(cs));
 447 }
 448
 449 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 450 {
 451     MachineClass *mc = MACHINE_CLASS(oc);
 452     NMIClass *nc = NMI_CLASS(oc);
 453     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 454     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 455
 456     s390mc->ri_allowed = true;
 457     s390mc->cpu_model_allowed = true;
 458     s390mc->css_migration_enabled = true;
 459     mc->init = ccw_init;
 460     mc->reset = s390_machine_reset;
 461     mc->hot_add_cpu = s390_hot_add_cpu;
 462     mc->block_default_type = IF_VIRTIO;
 463     mc->no_cdrom = 1;
 464     mc->no_floppy = 1;
 465     mc->no_serial = 1;
 466     mc->no_parallel = 1;
 467     mc->no_sdcard = 1;
 468     mc->use_sclp = 1;
 469     mc->max_cpus = S390_MAX_CPUS;
 470     mc->has_hotpluggable_cpus = true;
 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 static char *machine_get_loadparm(Object *obj, Error **errp)
 540 {
 541     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 542
 543     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 544 }
 545
 546 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 547 {
 548     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 549     int i;
 550
 551     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 552         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 553
 554         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 555             (c == ' ')) {
 556             ms->loadparm[i] = c;
 557         } else {
 558             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 559                        c, c);
 560             return;
 561         }
 562     }
 563
 564     for (; i < sizeof(ms->loadparm); i++) {
 565         ms->loadparm[i] = ' '; /* pad right with spaces */
 566     }
 567 }
 568 static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
 569 {
 570     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 571
 572     return ms->s390_squash_mcss;
 573 }
 574
 575 static inline void machine_set_squash_mcss(Object *obj, bool value,
 576                                            Error **errp)
 577 {
 578     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 579
 580     ms->s390_squash_mcss = value;
 581 }
 582
 583 static inline void s390_machine_initfn(Object *obj)
 584 {
 585     object_property_add_bool(obj, "aes-key-wrap",
 586                              machine_get_aes_key_wrap,
 587                              machine_set_aes_key_wrap, NULL);
 588     object_property_set_description(obj, "aes-key-wrap",
 589             "enable/disable AES key wrapping using the CPACF wrapping key",
 590             NULL);
 591     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 592
 593     object_property_add_bool(obj, "dea-key-wrap",
 594                              machine_get_dea_key_wrap,
 595                              machine_set_dea_key_wrap, NULL);
 596     object_property_set_description(obj, "dea-key-wrap",
 597             "enable/disable DEA key wrapping using the CPACF wrapping key",
 598             NULL);
 599     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 600     object_property_add_str(obj, "loadparm",
 601             machine_get_loadparm, machine_set_loadparm, NULL);
 602     object_property_set_description(obj, "loadparm",
 603             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 604             " to upper case) to pass to machine loader, boot manager,"
 605             " and guest kernel",
 606             NULL);
 607     object_property_add_bool(obj, "s390-squash-mcss",
 608                              machine_get_squash_mcss,
 609                              machine_set_squash_mcss, NULL);
 610     object_property_set_description(obj, "s390-squash-mcss", "(deprecated) "
 611             "enable/disable squashing subchannels into the default css",
 612             NULL);
 613     object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
 614 }
 615
 616 static const TypeInfo ccw_machine_info = {
 617     .name          = TYPE_S390_CCW_MACHINE,
 618     .parent        = TYPE_MACHINE,
 619     .abstract      = true,
 620     .instance_size = sizeof(S390CcwMachineState),
 621     .instance_init = s390_machine_initfn,
 622     .class_size = sizeof(S390CcwMachineClass),
 623     .class_init    = ccw_machine_class_init,
 624     .interfaces = (InterfaceInfo[]) {
 625         { TYPE_NMI },
 626         { TYPE_HOTPLUG_HANDLER},
 627         { }
 628     },
 629 };
 630
 631 bool css_migration_enabled(void)
 632 {
 633     return get_machine_class()->css_migration_enabled;
 634 }
 635
 636 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 637     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 638                                                   void *data)                 \
 639     {                                                                         \
 640         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 641         ccw_machine_##suffix##_class_options(mc);                             \
 642         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 643         if (latest) {                                                         \
 644             mc->alias = "s390-ccw-virtio";                                    \
 645             mc->is_default = 1;                                               \
 646         }                                                                     \
 647     }                                                                         \
 648     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 649     {                                                                         \
 650         MachineState *machine = MACHINE(obj);                                 \
 651         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 652         ccw_machine_##suffix##_instance_options(machine);                     \
 653     }                                                                         \
 654     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 655         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 656         .parent = TYPE_S390_CCW_MACHINE,                                      \
 657         .class_init = ccw_machine_##suffix##_class_init,                      \
 658         .instance_init = ccw_machine_##suffix##_instance_init,                \
 659     };                                                                        \
 660     static void ccw_machine_register_##suffix(void)                           \
 661     {                                                                         \
 662         type_register_static(&ccw_machine_##suffix##_info);                   \
 663     }                                                                         \
 664     type_init(ccw_machine_register_##suffix)
 665
 666 #define CCW_COMPAT_2_11 \
 667         HW_COMPAT_2_11
 668
 669 #define CCW_COMPAT_2_10 \
 670         HW_COMPAT_2_10
 671
 672 #define CCW_COMPAT_2_9 \
 673         HW_COMPAT_2_9 \
 674         {\
 675             .driver   = TYPE_S390_STATTRIB,\
 676             .property = "migration-enabled",\
 677             .value    = "off",\
 678         },
 679
 680 #define CCW_COMPAT_2_8 \
 681         HW_COMPAT_2_8 \
 682         {\
 683             .driver   = TYPE_S390_FLIC_COMMON,\
 684             .property = "adapter_routes_max_batch",\
 685             .value    = "64",\
 686         },
 687
 688 #define CCW_COMPAT_2_7 \
 689         HW_COMPAT_2_7
 690
 691 #define CCW_COMPAT_2_6 \
 692         HW_COMPAT_2_6 \
 693         {\
 694             .driver   = TYPE_S390_IPL,\
 695             .property = "iplbext_migration",\
 696             .value    = "off",\
 697         }, {\
 698             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
 699             .property = "css_dev_path",\
 700             .value    = "off",\
 701         },
 702
 703 #define CCW_COMPAT_2_5 \
 704         HW_COMPAT_2_5
 705
 706 #define CCW_COMPAT_2_4 \
 707         HW_COMPAT_2_4 \
 708         {\
 709             .driver   = TYPE_S390_SKEYS,\
 710             .property = "migration-enabled",\
 711             .value    = "off",\
 712         },{\
 713             .driver   = "virtio-blk-ccw",\
 714             .property = "max_revision",\
 715             .value    = "0",\
 716         },{\
 717             .driver   = "virtio-balloon-ccw",\
 718             .property = "max_revision",\
 719             .value    = "0",\
 720         },{\
 721             .driver   = "virtio-serial-ccw",\
 722             .property = "max_revision",\
 723             .value    = "0",\
 724         },{\
 725             .driver   = "virtio-9p-ccw",\
 726             .property = "max_revision",\
 727             .value    = "0",\
 728         },{\
 729             .driver   = "virtio-rng-ccw",\
 730             .property = "max_revision",\
 731             .value    = "0",\
 732         },{\
 733             .driver   = "virtio-net-ccw",\
 734             .property = "max_revision",\
 735             .value    = "0",\
 736         },{\
 737             .driver   = "virtio-scsi-ccw",\
 738             .property = "max_revision",\
 739             .value    = "0",\
 740         },{\
 741             .driver   = "vhost-scsi-ccw",\
 742             .property = "max_revision",\
 743             .value    = "0",\
 744         },
 745
 746 static void ccw_machine_2_12_instance_options(MachineState *machine)
 747 {
 748 }
 749
 750 static void ccw_machine_2_12_class_options(MachineClass *mc)
 751 {
 752 }
 753 DEFINE_CCW_MACHINE(2_12, "2.12", true);
 754
 755 static void ccw_machine_2_11_instance_options(MachineState *machine)
 756 {
 757     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 758     ccw_machine_2_12_instance_options(machine);
 759
 760     /* before 2.12 we emulated the very first z900 */
 761     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 762 }
 763
 764 static void ccw_machine_2_11_class_options(MachineClass *mc)
 765 {
 766     ccw_machine_2_12_class_options(mc);
 767     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11);
 768 }
 769 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 770
 771 static void ccw_machine_2_10_instance_options(MachineState *machine)
 772 {
 773     ccw_machine_2_11_instance_options(machine);
 774 }
 775
 776 static void ccw_machine_2_10_class_options(MachineClass *mc)
 777 {
 778     ccw_machine_2_11_class_options(mc);
 779     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
 780 }
 781 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 782
 783 static void ccw_machine_2_9_instance_options(MachineState *machine)
 784 {
 785     ccw_machine_2_10_instance_options(machine);
 786     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 787     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 788     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 789     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 790     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 791 }
 792
 793 static void ccw_machine_2_9_class_options(MachineClass *mc)
 794 {
 795     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 796
 797     ccw_machine_2_10_class_options(mc);
 798     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
 799     s390mc->css_migration_enabled = false;
 800 }
 801 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 802
 803 static void ccw_machine_2_8_instance_options(MachineState *machine)
 804 {
 805     ccw_machine_2_9_instance_options(machine);
 806 }
 807
 808 static void ccw_machine_2_8_class_options(MachineClass *mc)
 809 {
 810     ccw_machine_2_9_class_options(mc);
 811     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
 812 }
 813 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 814
 815 static void ccw_machine_2_7_instance_options(MachineState *machine)
 816 {
 817     ccw_machine_2_8_instance_options(machine);
 818 }
 819
 820 static void ccw_machine_2_7_class_options(MachineClass *mc)
 821 {
 822     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 823
 824     s390mc->cpu_model_allowed = false;
 825     ccw_machine_2_8_class_options(mc);
 826     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
 827 }
 828 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 829
 830 static void ccw_machine_2_6_instance_options(MachineState *machine)
 831 {
 832     ccw_machine_2_7_instance_options(machine);
 833 }
 834
 835 static void ccw_machine_2_6_class_options(MachineClass *mc)
 836 {
 837     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 838
 839     s390mc->ri_allowed = false;
 840     ccw_machine_2_7_class_options(mc);
 841     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
 842 }
 843 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 844
 845 static void ccw_machine_2_5_instance_options(MachineState *machine)
 846 {
 847     ccw_machine_2_6_instance_options(machine);
 848 }
 849
 850 static void ccw_machine_2_5_class_options(MachineClass *mc)
 851 {
 852     ccw_machine_2_6_class_options(mc);
 853     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
 854 }
 855 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 856
 857 static void ccw_machine_2_4_instance_options(MachineState *machine)
 858 {
 859     ccw_machine_2_5_instance_options(machine);
 860 }
 861
 862 static void ccw_machine_2_4_class_options(MachineClass *mc)
 863 {
 864     ccw_machine_2_5_class_options(mc);
 865     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
 866 }
 867 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 868
 869 static void ccw_machine_register_types(void)
 870 {
 871     type_register_static(&ccw_machine_info);
 872 }
 873
 874 type_init(ccw_machine_register_types)