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 "exec/ram_addr.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/ctype.h"
  27 #include "qemu/error-report.h"
  28 #include "qemu/option.h"
  29 #include "s390-pci-bus.h"
  30 #include "hw/s390x/storage-keys.h"
  31 #include "hw/s390x/storage-attributes.h"
  32 #include "hw/s390x/event-facility.h"
  33 #include "ipl.h"
  34 #include "hw/s390x/s390-virtio-ccw.h"
  35 #include "hw/s390x/css-bridge.h"
  36 #include "hw/s390x/ap-bridge.h"
  37 #include "migration/register.h"
  38 #include "cpu_models.h"
  39 #include "hw/nmi.h"
  40 #include "hw/s390x/tod.h"
  41
  42 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  43 {
  44     static MachineState *ms;
  45
  46     if (!ms) {
  47         ms = MACHINE(qdev_get_machine());
  48         g_assert(ms->possible_cpus);
  49     }
  50
  51     /* CPU address corresponds to the core_id and the index */
  52     if (cpu_addr >= ms->possible_cpus->len) {
  53         return NULL;
  54     }
  55     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
  56 }
  57
  58 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
  59                               Error **errp)
  60 {
  61     S390CPU *cpu = S390_CPU(object_new(typename));
  62     Error *err = NULL;
  63
  64     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
  65     if (err != NULL) {
  66         goto out;
  67     }
  68     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
  69
  70 out:
  71     object_unref(OBJECT(cpu));
  72     if (err) {
  73         error_propagate(errp, err);
  74         cpu = NULL;
  75     }
  76     return cpu;
  77 }
  78
  79 static void s390_init_cpus(MachineState *machine)
  80 {
  81     MachineClass *mc = MACHINE_GET_CLASS(machine);
  82     int i;
  83
  84     /* initialize possible_cpus */
  85     mc->possible_cpu_arch_ids(machine);
  86
  87     for (i = 0; i < smp_cpus; i++) {
  88         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
  89     }
  90 }
  91
  92 static const char *const reset_dev_types[] = {
  93     TYPE_VIRTUAL_CSS_BRIDGE,
  94     "s390-sclp-event-facility",
  95     "s390-flic",
  96     "diag288",
  97 };
  98
  99 static void subsystem_reset(void)
 100 {
 101     DeviceState *dev;
 102     int i;
 103
 104     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
 105         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
 106         if (dev) {
 107             qdev_reset_all(dev);
 108         }
 109     }
 110 }
 111
 112 static int virtio_ccw_hcall_notify(const uint64_t *args)
 113 {
 114     uint64_t subch_id = args[0];
 115     uint64_t queue = args[1];
 116     SubchDev *sch;
 117     int cssid, ssid, schid, m;
 118
 119     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 120         return -EINVAL;
 121     }
 122     sch = css_find_subch(m, cssid, ssid, schid);
 123     if (!sch || !css_subch_visible(sch)) {
 124         return -EINVAL;
 125     }
 126     if (queue >= VIRTIO_QUEUE_MAX) {
 127         return -EINVAL;
 128     }
 129     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 130     return 0;
 131
 132 }
 133
 134 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 135 {
 136     uint64_t mem = args[0];
 137
 138     if (mem < ram_size) {
 139         /* Early printk */
 140         return 0;
 141     }
 142     return -EINVAL;
 143 }
 144
 145 static void virtio_ccw_register_hcalls(void)
 146 {
 147     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 148                                    virtio_ccw_hcall_notify);
 149     /* Tolerate early printk. */
 150     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 151                                    virtio_ccw_hcall_early_printk);
 152 }
 153
 154 /*
 155  * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages
 156  * as the dirty bitmap must be managed by bitops that take an int as
 157  * position indicator. If we have a guest beyond that we will split off
 158  * new subregions. The split must happen on a segment boundary (1MB).
 159  */
 160 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1)
 161 #define SEG_MSK (~0xfffffULL)
 162 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK)
 163 static void s390_memory_init(ram_addr_t mem_size)
 164 {
 165     MemoryRegion *sysmem = get_system_memory();
 166     ram_addr_t chunk, offset = 0;
 167     unsigned int number = 0;
 168     Error *local_err = NULL;
 169     gchar *name;
 170
 171     /* allocate RAM for core */
 172     name = g_strdup_printf("s390.ram");
 173     while (mem_size) {
 174         MemoryRegion *ram = g_new(MemoryRegion, 1);
 175         uint64_t size = mem_size;
 176
 177         /* KVM does not allow memslots >= 8 TB */
 178         chunk = MIN(size, KVM_SLOT_MAX_BYTES);
 179         memory_region_allocate_system_memory(ram, NULL, name, chunk);
 180         memory_region_add_subregion(sysmem, offset, ram);
 181         mem_size -= chunk;
 182         offset += chunk;
 183         g_free(name);
 184         name = g_strdup_printf("s390.ram.%u", ++number);
 185     }
 186     g_free(name);
 187
 188     /*
 189      * Configure the maximum page size. As no memory devices were created
 190      * yet, this is the page size of initial memory only.
 191      */
 192     s390_set_max_pagesize(qemu_maxrampagesize(), &local_err);
 193     if (local_err) {
 194         error_report_err(local_err);
 195         exit(EXIT_FAILURE);
 196     }
 197     /* Initialize storage key device */
 198     s390_skeys_init();
 199     /* Initialize storage attributes device */
 200     s390_stattrib_init();
 201 }
 202
 203 static void s390_init_ipl_dev(const char *kernel_filename,
 204                               const char *kernel_cmdline,
 205                               const char *initrd_filename, const char *firmware,
 206                               const char *netboot_fw, bool enforce_bios)
 207 {
 208     Object *new = object_new(TYPE_S390_IPL);
 209     DeviceState *dev = DEVICE(new);
 210     char *netboot_fw_prop;
 211
 212     if (kernel_filename) {
 213         qdev_prop_set_string(dev, "kernel", kernel_filename);
 214     }
 215     if (initrd_filename) {
 216         qdev_prop_set_string(dev, "initrd", initrd_filename);
 217     }
 218     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 219     qdev_prop_set_string(dev, "firmware", firmware);
 220     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 221     netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
 222     if (!strlen(netboot_fw_prop)) {
 223         qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 224     }
 225     g_free(netboot_fw_prop);
 226     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 227                               new, NULL);
 228     object_unref(new);
 229     qdev_init_nofail(dev);
 230 }
 231
 232 static void s390_create_virtio_net(BusState *bus, const char *name)
 233 {
 234     int i;
 235
 236     for (i = 0; i < nb_nics; i++) {
 237         NICInfo *nd = &nd_table[i];
 238         DeviceState *dev;
 239
 240         if (!nd->model) {
 241             nd->model = g_strdup("virtio");
 242         }
 243
 244         qemu_check_nic_model(nd, "virtio");
 245
 246         dev = qdev_create(bus, name);
 247         qdev_set_nic_properties(dev, nd);
 248         qdev_init_nofail(dev);
 249     }
 250 }
 251
 252 static void s390_create_sclpconsole(const char *type, Chardev *chardev)
 253 {
 254     DeviceState *dev;
 255
 256     dev = qdev_create(sclp_get_event_facility_bus(), type);
 257     qdev_prop_set_chr(dev, "chardev", chardev);
 258     qdev_init_nofail(dev);
 259 }
 260
 261 static void ccw_init(MachineState *machine)
 262 {
 263     int ret;
 264     VirtualCssBus *css_bus;
 265     DeviceState *dev;
 266
 267     s390_sclp_init();
 268     /* init memory + setup max page size. Required for the CPU model */
 269     s390_memory_init(machine->ram_size);
 270
 271     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 272     s390_init_cpus(machine);
 273
 274     s390_flic_init();
 275
 276     /* init the SIGP facility */
 277     s390_init_sigp();
 278
 279     /* create AP bridge and bus(es) */
 280     s390_init_ap();
 281
 282     /* get a BUS */
 283     css_bus = virtual_css_bus_init();
 284     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 285                       machine->initrd_filename, "s390-ccw.img",
 286                       "s390-netboot.img", true);
 287
 288     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 289     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 290                               OBJECT(dev), NULL);
 291     qdev_init_nofail(dev);
 292
 293     /* register hypercalls */
 294     virtio_ccw_register_hcalls();
 295
 296     s390_enable_css_support(s390_cpu_addr2state(0));
 297
 298     ret = css_create_css_image(VIRTUAL_CSSID, true);
 299
 300     assert(ret == 0);
 301     if (css_migration_enabled()) {
 302         css_register_vmstate();
 303     }
 304
 305     /* Create VirtIO network adapters */
 306     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 307
 308     /* init consoles */
 309     if (serial_hd(0)) {
 310         s390_create_sclpconsole("sclpconsole", serial_hd(0));
 311     }
 312     if (serial_hd(1)) {
 313         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
 314     }
 315
 316     /* init the TOD clock */
 317     s390_init_tod();
 318 }
 319
 320 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 321                         DeviceState *dev, Error **errp)
 322 {
 323     MachineState *ms = MACHINE(hotplug_dev);
 324     S390CPU *cpu = S390_CPU(dev);
 325
 326     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 327     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 328
 329     if (dev->hotplugged) {
 330         raise_irq_cpu_hotplug();
 331     }
 332 }
 333
 334 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
 335 {
 336     S390CPU *cpu = S390_CPU(cs);
 337
 338     s390_ipl_prepare_cpu(cpu);
 339     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
 340 }
 341
 342 static void s390_machine_reset(MachineState *machine)
 343 {
 344     enum s390_reset reset_type;
 345     CPUState *cs, *t;
 346
 347     /* get the reset parameters, reset them once done */
 348     s390_ipl_get_reset_request(&cs, &reset_type);
 349
 350     /* all CPUs are paused and synchronized at this point */
 351     s390_cmma_reset();
 352
 353     switch (reset_type) {
 354     case S390_RESET_EXTERNAL:
 355     case S390_RESET_REIPL:
 356         qemu_devices_reset();
 357         s390_crypto_reset();
 358
 359         /* configure and start the ipl CPU only */
 360         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
 361         break;
 362     case S390_RESET_MODIFIED_CLEAR:
 363         CPU_FOREACH(t) {
 364             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
 365         }
 366         subsystem_reset();
 367         s390_crypto_reset();
 368         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 369         break;
 370     case S390_RESET_LOAD_NORMAL:
 371         CPU_FOREACH(t) {
 372             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
 373         }
 374         subsystem_reset();
 375         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
 376         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 377         break;
 378     default:
 379         g_assert_not_reached();
 380     }
 381     s390_ipl_clear_reset_request();
 382 }
 383
 384 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 385                                      DeviceState *dev, Error **errp)
 386 {
 387     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 388         s390_cpu_plug(hotplug_dev, dev, errp);
 389     }
 390 }
 391
 392 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 393                                                DeviceState *dev, Error **errp)
 394 {
 395     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 396         error_setg(errp, "CPU hot unplug not supported on this machine");
 397         return;
 398     }
 399 }
 400
 401 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
 402                                                      unsigned cpu_index)
 403 {
 404     MachineClass *mc = MACHINE_GET_CLASS(ms);
 405     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
 406
 407     assert(cpu_index < possible_cpus->len);
 408     return possible_cpus->cpus[cpu_index].props;
 409 }
 410
 411 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 412 {
 413     int i;
 414
 415     if (ms->possible_cpus) {
 416         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 417         return ms->possible_cpus;
 418     }
 419
 420     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 421                                   sizeof(CPUArchId) * max_cpus);
 422     ms->possible_cpus->len = max_cpus;
 423     for (i = 0; i < ms->possible_cpus->len; i++) {
 424         ms->possible_cpus->cpus[i].type = ms->cpu_type;
 425         ms->possible_cpus->cpus[i].vcpus_count = 1;
 426         ms->possible_cpus->cpus[i].arch_id = i;
 427         ms->possible_cpus->cpus[i].props.has_core_id = true;
 428         ms->possible_cpus->cpus[i].props.core_id = i;
 429     }
 430
 431     return ms->possible_cpus;
 432 }
 433
 434 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 435                                                 DeviceState *dev)
 436 {
 437     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 438         return HOTPLUG_HANDLER(machine);
 439     }
 440     return NULL;
 441 }
 442
 443 static void s390_hot_add_cpu(MachineState *machine,
 444                              const int64_t id, Error **errp)
 445 {
 446     ObjectClass *oc;
 447
 448     g_assert(machine->possible_cpus->cpus[0].cpu);
 449     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 450
 451     s390x_new_cpu(object_class_get_name(oc), id, errp);
 452 }
 453
 454 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 455 {
 456     CPUState *cs = qemu_get_cpu(cpu_index);
 457
 458     s390_cpu_restart(S390_CPU(cs));
 459 }
 460
 461 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 462 {
 463     MachineClass *mc = MACHINE_CLASS(oc);
 464     NMIClass *nc = NMI_CLASS(oc);
 465     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 466     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 467
 468     s390mc->ri_allowed = true;
 469     s390mc->cpu_model_allowed = true;
 470     s390mc->css_migration_enabled = true;
 471     s390mc->hpage_1m_allowed = true;
 472     mc->init = ccw_init;
 473     mc->reset = s390_machine_reset;
 474     mc->hot_add_cpu = s390_hot_add_cpu;
 475     mc->block_default_type = IF_VIRTIO;
 476     mc->no_cdrom = 1;
 477     mc->no_floppy = 1;
 478     mc->no_parallel = 1;
 479     mc->no_sdcard = 1;
 480     mc->max_cpus = S390_MAX_CPUS;
 481     mc->has_hotpluggable_cpus = true;
 482     assert(!mc->get_hotplug_handler);
 483     mc->get_hotplug_handler = s390_get_hotplug_handler;
 484     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 485     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 486     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 487     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 488     hc->plug = s390_machine_device_plug;
 489     hc->unplug_request = s390_machine_device_unplug_request;
 490     nc->nmi_monitor_handler = s390_nmi;
 491 }
 492
 493 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 494 {
 495     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 496
 497     return ms->aes_key_wrap;
 498 }
 499
 500 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 501                                             Error **errp)
 502 {
 503     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 504
 505     ms->aes_key_wrap = value;
 506 }
 507
 508 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 509 {
 510     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 511
 512     return ms->dea_key_wrap;
 513 }
 514
 515 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 516                                             Error **errp)
 517 {
 518     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 519
 520     ms->dea_key_wrap = value;
 521 }
 522
 523 static S390CcwMachineClass *current_mc;
 524
 525 static S390CcwMachineClass *get_machine_class(void)
 526 {
 527     if (unlikely(!current_mc)) {
 528         /*
 529         * No s390 ccw machine was instantiated, we are likely to
 530         * be called for the 'none' machine. The properties will
 531         * have their after-initialization values.
 532         */
 533         current_mc = S390_MACHINE_CLASS(
 534                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 535     }
 536     return current_mc;
 537 }
 538
 539 bool ri_allowed(void)
 540 {
 541     /* for "none" machine this results in true */
 542     return get_machine_class()->ri_allowed;
 543 }
 544
 545 bool cpu_model_allowed(void)
 546 {
 547     /* for "none" machine this results in true */
 548     return get_machine_class()->cpu_model_allowed;
 549 }
 550
 551 bool hpage_1m_allowed(void)
 552 {
 553     /* for "none" machine this results in true */
 554     return get_machine_class()->hpage_1m_allowed;
 555 }
 556
 557 static char *machine_get_loadparm(Object *obj, Error **errp)
 558 {
 559     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 560
 561     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 562 }
 563
 564 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 565 {
 566     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 567     int i;
 568
 569     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 570         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 571
 572         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 573             (c == ' ')) {
 574             ms->loadparm[i] = c;
 575         } else {
 576             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 577                        c, c);
 578             return;
 579         }
 580     }
 581
 582     for (; i < sizeof(ms->loadparm); i++) {
 583         ms->loadparm[i] = ' '; /* pad right with spaces */
 584     }
 585 }
 586 static inline void s390_machine_initfn(Object *obj)
 587 {
 588     object_property_add_bool(obj, "aes-key-wrap",
 589                              machine_get_aes_key_wrap,
 590                              machine_set_aes_key_wrap, NULL);
 591     object_property_set_description(obj, "aes-key-wrap",
 592             "enable/disable AES key wrapping using the CPACF wrapping key",
 593             NULL);
 594     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 595
 596     object_property_add_bool(obj, "dea-key-wrap",
 597                              machine_get_dea_key_wrap,
 598                              machine_set_dea_key_wrap, NULL);
 599     object_property_set_description(obj, "dea-key-wrap",
 600             "enable/disable DEA key wrapping using the CPACF wrapping key",
 601             NULL);
 602     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 603     object_property_add_str(obj, "loadparm",
 604             machine_get_loadparm, machine_set_loadparm, NULL);
 605     object_property_set_description(obj, "loadparm",
 606             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 607             " to upper case) to pass to machine loader, boot manager,"
 608             " and guest kernel",
 609             NULL);
 610 }
 611
 612 static const TypeInfo ccw_machine_info = {
 613     .name          = TYPE_S390_CCW_MACHINE,
 614     .parent        = TYPE_MACHINE,
 615     .abstract      = true,
 616     .instance_size = sizeof(S390CcwMachineState),
 617     .instance_init = s390_machine_initfn,
 618     .class_size = sizeof(S390CcwMachineClass),
 619     .class_init    = ccw_machine_class_init,
 620     .interfaces = (InterfaceInfo[]) {
 621         { TYPE_NMI },
 622         { TYPE_HOTPLUG_HANDLER},
 623         { }
 624     },
 625 };
 626
 627 bool css_migration_enabled(void)
 628 {
 629     return get_machine_class()->css_migration_enabled;
 630 }
 631
 632 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 633     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 634                                                   void *data)                 \
 635     {                                                                         \
 636         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 637         ccw_machine_##suffix##_class_options(mc);                             \
 638         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 639         if (latest) {                                                         \
 640             mc->alias = "s390-ccw-virtio";                                    \
 641             mc->is_default = 1;                                               \
 642         }                                                                     \
 643     }                                                                         \
 644     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 645     {                                                                         \
 646         MachineState *machine = MACHINE(obj);                                 \
 647         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 648         ccw_machine_##suffix##_instance_options(machine);                     \
 649     }                                                                         \
 650     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 651         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 652         .parent = TYPE_S390_CCW_MACHINE,                                      \
 653         .class_init = ccw_machine_##suffix##_class_init,                      \
 654         .instance_init = ccw_machine_##suffix##_instance_init,                \
 655     };                                                                        \
 656     static void ccw_machine_register_##suffix(void)                           \
 657     {                                                                         \
 658         type_register_static(&ccw_machine_##suffix##_info);                   \
 659     }                                                                         \
 660     type_init(ccw_machine_register_##suffix)
 661
 662 static void ccw_machine_4_1_instance_options(MachineState *machine)
 663 {
 664 }
 665
 666 static void ccw_machine_4_1_class_options(MachineClass *mc)
 667 {
 668 }
 669 DEFINE_CCW_MACHINE(4_1, "4.1", true);
 670
 671 static void ccw_machine_4_0_instance_options(MachineState *machine)
 672 {
 673     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 };
 674     ccw_machine_4_1_instance_options(machine);
 675     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 676 }
 677
 678 static void ccw_machine_4_0_class_options(MachineClass *mc)
 679 {
 680     ccw_machine_4_1_class_options(mc);
 681     compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
 682 }
 683 DEFINE_CCW_MACHINE(4_0, "4.0", false);
 684
 685 static void ccw_machine_3_1_instance_options(MachineState *machine)
 686 {
 687     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
 688     ccw_machine_4_0_instance_options(machine);
 689     s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH);
 690     s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF);
 691     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 692 }
 693
 694 static void ccw_machine_3_1_class_options(MachineClass *mc)
 695 {
 696     ccw_machine_4_0_class_options(mc);
 697     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
 698 }
 699 DEFINE_CCW_MACHINE(3_1, "3.1", false);
 700
 701 static void ccw_machine_3_0_instance_options(MachineState *machine)
 702 {
 703     ccw_machine_3_1_instance_options(machine);
 704 }
 705
 706 static void ccw_machine_3_0_class_options(MachineClass *mc)
 707 {
 708     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 709
 710     s390mc->hpage_1m_allowed = false;
 711     ccw_machine_3_1_class_options(mc);
 712     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 713 }
 714 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 715
 716 static void ccw_machine_2_12_instance_options(MachineState *machine)
 717 {
 718     ccw_machine_3_0_instance_options(machine);
 719     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
 720     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
 721 }
 722
 723 static void ccw_machine_2_12_class_options(MachineClass *mc)
 724 {
 725     ccw_machine_3_0_class_options(mc);
 726     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
 727 }
 728 DEFINE_CCW_MACHINE(2_12, "2.12", false);
 729
 730 static void ccw_machine_2_11_instance_options(MachineState *machine)
 731 {
 732     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 733     ccw_machine_2_12_instance_options(machine);
 734
 735     /* before 2.12 we emulated the very first z900 */
 736     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 737 }
 738
 739 static void ccw_machine_2_11_class_options(MachineClass *mc)
 740 {
 741     static GlobalProperty compat[] = {
 742         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
 743     };
 744
 745     ccw_machine_2_12_class_options(mc);
 746     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
 747     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 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     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
 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     static GlobalProperty compat[] = {
 777         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
 778     };
 779
 780     ccw_machine_2_10_class_options(mc);
 781     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
 782     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 783     s390mc->css_migration_enabled = false;
 784 }
 785 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 786
 787 static void ccw_machine_2_8_instance_options(MachineState *machine)
 788 {
 789     ccw_machine_2_9_instance_options(machine);
 790 }
 791
 792 static void ccw_machine_2_8_class_options(MachineClass *mc)
 793 {
 794     static GlobalProperty compat[] = {
 795         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
 796     };
 797
 798     ccw_machine_2_9_class_options(mc);
 799     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
 800     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 801 }
 802 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 803
 804 static void ccw_machine_2_7_instance_options(MachineState *machine)
 805 {
 806     ccw_machine_2_8_instance_options(machine);
 807 }
 808
 809 static void ccw_machine_2_7_class_options(MachineClass *mc)
 810 {
 811     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 812
 813     s390mc->cpu_model_allowed = false;
 814     ccw_machine_2_8_class_options(mc);
 815     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
 816 }
 817 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 818
 819 static void ccw_machine_2_6_instance_options(MachineState *machine)
 820 {
 821     ccw_machine_2_7_instance_options(machine);
 822 }
 823
 824 static void ccw_machine_2_6_class_options(MachineClass *mc)
 825 {
 826     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 827     static GlobalProperty compat[] = {
 828         { TYPE_S390_IPL, "iplbext_migration", "off", },
 829          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
 830     };
 831
 832     s390mc->ri_allowed = false;
 833     ccw_machine_2_7_class_options(mc);
 834     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
 835     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 836 }
 837 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 838
 839 static void ccw_machine_2_5_instance_options(MachineState *machine)
 840 {
 841     ccw_machine_2_6_instance_options(machine);
 842 }
 843
 844 static void ccw_machine_2_5_class_options(MachineClass *mc)
 845 {
 846     ccw_machine_2_6_class_options(mc);
 847     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
 848 }
 849 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 850
 851 static void ccw_machine_2_4_instance_options(MachineState *machine)
 852 {
 853     ccw_machine_2_5_instance_options(machine);
 854 }
 855
 856 static void ccw_machine_2_4_class_options(MachineClass *mc)
 857 {
 858     static GlobalProperty compat[] = {
 859         { TYPE_S390_SKEYS, "migration-enabled", "off", },
 860         { "virtio-blk-ccw", "max_revision", "0", },
 861         { "virtio-balloon-ccw", "max_revision", "0", },
 862         { "virtio-serial-ccw", "max_revision", "0", },
 863         { "virtio-9p-ccw", "max_revision", "0", },
 864         { "virtio-rng-ccw", "max_revision", "0", },
 865         { "virtio-net-ccw", "max_revision", "0", },
 866         { "virtio-scsi-ccw", "max_revision", "0", },
 867         { "vhost-scsi-ccw", "max_revision", "0", },
 868     };
 869
 870     ccw_machine_2_5_class_options(mc);
 871     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
 872     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 873 }
 874 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 875
 876 static void ccw_machine_register_types(void)
 877 {
 878     type_register_static(&ccw_machine_info);
 879 }
 880
 881 type_init(ccw_machine_register_types)