hw/s390x/s390-virtio-ccw.c

   1 /*
   2  * virtio ccw machine
   3  *
   4  * Copyright 2012 IBM Corp.
   5  * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
   6  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   9  * your option) any later version. See the COPYING file in the top-level
  10  * directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "qapi/error.h"
  15 #include "cpu.h"
  16 #include "hw/boards.h"
  17 #include "exec/address-spaces.h"
  18 #include "hw/s390x/s390-virtio-hcall.h"
  19 #include "hw/s390x/sclp.h"
  20 #include "hw/s390x/s390_flic.h"
  21 #include "hw/s390x/ioinst.h"
  22 #include "hw/s390x/css.h"
  23 #include "virtio-ccw.h"
  24 #include "qemu/config-file.h"
  25 #include "qemu/error-report.h"
  26 #include "qemu/option.h"
  27 #include "s390-pci-bus.h"
  28 #include "hw/s390x/storage-keys.h"
  29 #include "hw/s390x/storage-attributes.h"
  30 #include "hw/s390x/event-facility.h"
  31 #include "ipl.h"
  32 #include "hw/s390x/s390-virtio-ccw.h"
  33 #include "hw/s390x/css-bridge.h"
  34 #include "hw/s390x/ap-bridge.h"
  35 #include "migration/register.h"
  36 #include "cpu_models.h"
  37 #include "hw/nmi.h"
  38 #include "hw/s390x/tod.h"
  39
  40 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  41 {
  42     static MachineState *ms;
  43
  44     if (!ms) {
  45         ms = MACHINE(qdev_get_machine());
  46         g_assert(ms->possible_cpus);
  47     }
  48
  49     /* CPU address corresponds to the core_id and the index */
  50     if (cpu_addr >= ms->possible_cpus->len) {
  51         return NULL;
  52     }
  53     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
  54 }
  55
  56 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
  57                               Error **errp)
  58 {
  59     S390CPU *cpu = S390_CPU(object_new(typename));
  60     Error *err = NULL;
  61
  62     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
  63     if (err != NULL) {
  64         goto out;
  65     }
  66     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
  67
  68 out:
  69     object_unref(OBJECT(cpu));
  70     if (err) {
  71         error_propagate(errp, err);
  72         cpu = NULL;
  73     }
  74     return cpu;
  75 }
  76
  77 static void s390_init_cpus(MachineState *machine)
  78 {
  79     MachineClass *mc = MACHINE_GET_CLASS(machine);
  80     int i;
  81
  82     /* initialize possible_cpus */
  83     mc->possible_cpu_arch_ids(machine);
  84
  85     for (i = 0; i < smp_cpus; i++) {
  86         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
  87     }
  88 }
  89
  90 static const char *const reset_dev_types[] = {
  91     TYPE_VIRTUAL_CSS_BRIDGE,
  92     "s390-sclp-event-facility",
  93     "s390-flic",
  94     "diag288",
  95 };
  96
  97 static void subsystem_reset(void)
  98 {
  99     DeviceState *dev;
 100     int i;
 101
 102     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
 103         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
 104         if (dev) {
 105             qdev_reset_all(dev);
 106         }
 107     }
 108 }
 109
 110 static int virtio_ccw_hcall_notify(const uint64_t *args)
 111 {
 112     uint64_t subch_id = args[0];
 113     uint64_t queue = args[1];
 114     SubchDev *sch;
 115     int cssid, ssid, schid, m;
 116
 117     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 118         return -EINVAL;
 119     }
 120     sch = css_find_subch(m, cssid, ssid, schid);
 121     if (!sch || !css_subch_visible(sch)) {
 122         return -EINVAL;
 123     }
 124     if (queue >= VIRTIO_QUEUE_MAX) {
 125         return -EINVAL;
 126     }
 127     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 128     return 0;
 129
 130 }
 131
 132 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 133 {
 134     uint64_t mem = args[0];
 135
 136     if (mem < ram_size) {
 137         /* Early printk */
 138         return 0;
 139     }
 140     return -EINVAL;
 141 }
 142
 143 static void virtio_ccw_register_hcalls(void)
 144 {
 145     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 146                                    virtio_ccw_hcall_notify);
 147     /* Tolerate early printk. */
 148     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 149                                    virtio_ccw_hcall_early_printk);
 150 }
 151
 152 /*
 153  * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages
 154  * as the dirty bitmap must be managed by bitops that take an int as
 155  * position indicator. If we have a guest beyond that we will split off
 156  * new subregions. The split must happen on a segment boundary (1MB).
 157  */
 158 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1)
 159 #define SEG_MSK (~0xfffffULL)
 160 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK)
 161 static void s390_memory_init(ram_addr_t mem_size)
 162 {
 163     MemoryRegion *sysmem = get_system_memory();
 164     ram_addr_t chunk, offset = 0;
 165     unsigned int number = 0;
 166     gchar *name;
 167
 168     /* allocate RAM for core */
 169     name = g_strdup_printf("s390.ram");
 170     while (mem_size) {
 171         MemoryRegion *ram = g_new(MemoryRegion, 1);
 172         uint64_t size = mem_size;
 173
 174         /* KVM does not allow memslots >= 8 TB */
 175         chunk = MIN(size, KVM_SLOT_MAX_BYTES);
 176         memory_region_allocate_system_memory(ram, NULL, name, chunk);
 177         memory_region_add_subregion(sysmem, offset, ram);
 178         mem_size -= chunk;
 179         offset += chunk;
 180         g_free(name);
 181         name = g_strdup_printf("s390.ram.%u", ++number);
 182     }
 183     g_free(name);
 184
 185     /* Initialize storage key device */
 186     s390_skeys_init();
 187     /* Initialize storage attributes device */
 188     s390_stattrib_init();
 189 }
 190
 191 static void s390_init_ipl_dev(const char *kernel_filename,
 192                               const char *kernel_cmdline,
 193                               const char *initrd_filename, const char *firmware,
 194                               const char *netboot_fw, bool enforce_bios)
 195 {
 196     Object *new = object_new(TYPE_S390_IPL);
 197     DeviceState *dev = DEVICE(new);
 198     char *netboot_fw_prop;
 199
 200     if (kernel_filename) {
 201         qdev_prop_set_string(dev, "kernel", kernel_filename);
 202     }
 203     if (initrd_filename) {
 204         qdev_prop_set_string(dev, "initrd", initrd_filename);
 205     }
 206     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 207     qdev_prop_set_string(dev, "firmware", firmware);
 208     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 209     netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
 210     if (!strlen(netboot_fw_prop)) {
 211         qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 212     }
 213     g_free(netboot_fw_prop);
 214     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 215                               new, NULL);
 216     object_unref(new);
 217     qdev_init_nofail(dev);
 218 }
 219
 220 static void s390_create_virtio_net(BusState *bus, const char *name)
 221 {
 222     int i;
 223
 224     for (i = 0; i < nb_nics; i++) {
 225         NICInfo *nd = &nd_table[i];
 226         DeviceState *dev;
 227
 228         if (!nd->model) {
 229             nd->model = g_strdup("virtio");
 230         }
 231
 232         qemu_check_nic_model(nd, "virtio");
 233
 234         dev = qdev_create(bus, name);
 235         qdev_set_nic_properties(dev, nd);
 236         qdev_init_nofail(dev);
 237     }
 238 }
 239
 240 static void s390_create_sclpconsole(const char *type, Chardev *chardev)
 241 {
 242     DeviceState *dev;
 243
 244     dev = qdev_create(sclp_get_event_facility_bus(), type);
 245     qdev_prop_set_chr(dev, "chardev", chardev);
 246     qdev_init_nofail(dev);
 247 }
 248
 249 static void ccw_init(MachineState *machine)
 250 {
 251     int ret;
 252     VirtualCssBus *css_bus;
 253     DeviceState *dev;
 254
 255     s390_sclp_init();
 256     s390_memory_init(machine->ram_size);
 257
 258     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 259     s390_init_cpus(machine);
 260
 261     s390_flic_init();
 262
 263     /* init the SIGP facility */
 264     s390_init_sigp();
 265
 266     /* create AP bridge and bus(es) */
 267     s390_init_ap();
 268
 269     /* get a BUS */
 270     css_bus = virtual_css_bus_init();
 271     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 272                       machine->initrd_filename, "s390-ccw.img",
 273                       "s390-netboot.img", true);
 274
 275     /*
 276      * We cannot easily make the pci host bridge conditional as older QEMUs
 277      * always created it. Doing so would break migration across QEMU versions.
 278      */
 279     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 280     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 281                               OBJECT(dev), NULL);
 282     qdev_init_nofail(dev);
 283
 284     /* register hypercalls */
 285     virtio_ccw_register_hcalls();
 286
 287     s390_enable_css_support(s390_cpu_addr2state(0));
 288
 289     ret = css_create_css_image(VIRTUAL_CSSID, true);
 290
 291     assert(ret == 0);
 292     if (css_migration_enabled()) {
 293         css_register_vmstate();
 294     }
 295
 296     /* Create VirtIO network adapters */
 297     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 298
 299     /* init consoles */
 300     if (serial_hd(0)) {
 301         s390_create_sclpconsole("sclpconsole", serial_hd(0));
 302     }
 303     if (serial_hd(1)) {
 304         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
 305     }
 306
 307     /* init the TOD clock */
 308     s390_init_tod();
 309 }
 310
 311 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 312                         DeviceState *dev, Error **errp)
 313 {
 314     MachineState *ms = MACHINE(hotplug_dev);
 315     S390CPU *cpu = S390_CPU(dev);
 316
 317     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 318     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 319
 320     if (dev->hotplugged) {
 321         raise_irq_cpu_hotplug();
 322     }
 323 }
 324
 325 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
 326 {
 327     S390CPU *cpu = S390_CPU(cs);
 328
 329     s390_ipl_prepare_cpu(cpu);
 330     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
 331 }
 332
 333 static void s390_machine_reset(void)
 334 {
 335     enum s390_reset reset_type;
 336     CPUState *cs, *t;
 337
 338     /* get the reset parameters, reset them once done */
 339     s390_ipl_get_reset_request(&cs, &reset_type);
 340
 341     /* all CPUs are paused and synchronized at this point */
 342     s390_cmma_reset();
 343
 344     switch (reset_type) {
 345     case S390_RESET_EXTERNAL:
 346     case S390_RESET_REIPL:
 347         qemu_devices_reset();
 348         s390_crypto_reset();
 349
 350         /* configure and start the ipl CPU only */
 351         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
 352         break;
 353     case S390_RESET_MODIFIED_CLEAR:
 354         CPU_FOREACH(t) {
 355             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
 356         }
 357         subsystem_reset();
 358         s390_crypto_reset();
 359         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 360         break;
 361     case S390_RESET_LOAD_NORMAL:
 362         CPU_FOREACH(t) {
 363             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
 364         }
 365         subsystem_reset();
 366         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
 367         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 368         break;
 369     default:
 370         g_assert_not_reached();
 371     }
 372     s390_ipl_clear_reset_request();
 373 }
 374
 375 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 376                                      DeviceState *dev, Error **errp)
 377 {
 378     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 379         s390_cpu_plug(hotplug_dev, dev, errp);
 380     }
 381 }
 382
 383 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 384                                                DeviceState *dev, Error **errp)
 385 {
 386     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 387         error_setg(errp, "CPU hot unplug not supported on this machine");
 388         return;
 389     }
 390 }
 391
 392 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
 393                                                      unsigned cpu_index)
 394 {
 395     MachineClass *mc = MACHINE_GET_CLASS(ms);
 396     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
 397
 398     assert(cpu_index < possible_cpus->len);
 399     return possible_cpus->cpus[cpu_index].props;
 400 }
 401
 402 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 403 {
 404     int i;
 405
 406     if (ms->possible_cpus) {
 407         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 408         return ms->possible_cpus;
 409     }
 410
 411     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 412                                   sizeof(CPUArchId) * max_cpus);
 413     ms->possible_cpus->len = max_cpus;
 414     for (i = 0; i < ms->possible_cpus->len; i++) {
 415         ms->possible_cpus->cpus[i].type = ms->cpu_type;
 416         ms->possible_cpus->cpus[i].vcpus_count = 1;
 417         ms->possible_cpus->cpus[i].arch_id = i;
 418         ms->possible_cpus->cpus[i].props.has_core_id = true;
 419         ms->possible_cpus->cpus[i].props.core_id = i;
 420     }
 421
 422     return ms->possible_cpus;
 423 }
 424
 425 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 426                                                 DeviceState *dev)
 427 {
 428     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 429         return HOTPLUG_HANDLER(machine);
 430     }
 431     return NULL;
 432 }
 433
 434 static void s390_hot_add_cpu(const int64_t id, Error **errp)
 435 {
 436     MachineState *machine = MACHINE(qdev_get_machine());
 437     ObjectClass *oc;
 438
 439     g_assert(machine->possible_cpus->cpus[0].cpu);
 440     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 441
 442     s390x_new_cpu(object_class_get_name(oc), id, errp);
 443 }
 444
 445 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 446 {
 447     CPUState *cs = qemu_get_cpu(cpu_index);
 448
 449     s390_cpu_restart(S390_CPU(cs));
 450 }
 451
 452 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 453 {
 454     MachineClass *mc = MACHINE_CLASS(oc);
 455     NMIClass *nc = NMI_CLASS(oc);
 456     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 457     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 458
 459     s390mc->ri_allowed = true;
 460     s390mc->cpu_model_allowed = true;
 461     s390mc->css_migration_enabled = true;
 462     s390mc->hpage_1m_allowed = true;
 463     mc->init = ccw_init;
 464     mc->reset = s390_machine_reset;
 465     mc->hot_add_cpu = s390_hot_add_cpu;
 466     mc->block_default_type = IF_VIRTIO;
 467     mc->no_cdrom = 1;
 468     mc->no_floppy = 1;
 469     mc->no_parallel = 1;
 470     mc->no_sdcard = 1;
 471     mc->max_cpus = S390_MAX_CPUS;
 472     mc->has_hotpluggable_cpus = true;
 473     assert(!mc->get_hotplug_handler);
 474     mc->get_hotplug_handler = s390_get_hotplug_handler;
 475     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 476     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 477     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 478     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 479     hc->plug = s390_machine_device_plug;
 480     hc->unplug_request = s390_machine_device_unplug_request;
 481     nc->nmi_monitor_handler = s390_nmi;
 482 }
 483
 484 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 485 {
 486     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 487
 488     return ms->aes_key_wrap;
 489 }
 490
 491 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 492                                             Error **errp)
 493 {
 494     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 495
 496     ms->aes_key_wrap = value;
 497 }
 498
 499 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 500 {
 501     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 502
 503     return ms->dea_key_wrap;
 504 }
 505
 506 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 507                                             Error **errp)
 508 {
 509     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 510
 511     ms->dea_key_wrap = value;
 512 }
 513
 514 static S390CcwMachineClass *current_mc;
 515
 516 static S390CcwMachineClass *get_machine_class(void)
 517 {
 518     if (unlikely(!current_mc)) {
 519         /*
 520         * No s390 ccw machine was instantiated, we are likely to
 521         * be called for the 'none' machine. The properties will
 522         * have their after-initialization values.
 523         */
 524         current_mc = S390_MACHINE_CLASS(
 525                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 526     }
 527     return current_mc;
 528 }
 529
 530 bool ri_allowed(void)
 531 {
 532     /* for "none" machine this results in true */
 533     return get_machine_class()->ri_allowed;
 534 }
 535
 536 bool cpu_model_allowed(void)
 537 {
 538     /* for "none" machine this results in true */
 539     return get_machine_class()->cpu_model_allowed;
 540 }
 541
 542 bool hpage_1m_allowed(void)
 543 {
 544     /* for "none" machine this results in true */
 545     return get_machine_class()->hpage_1m_allowed;
 546 }
 547
 548 static char *machine_get_loadparm(Object *obj, Error **errp)
 549 {
 550     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 551
 552     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 553 }
 554
 555 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 556 {
 557     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 558     int i;
 559
 560     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 561         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 562
 563         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 564             (c == ' ')) {
 565             ms->loadparm[i] = c;
 566         } else {
 567             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 568                        c, c);
 569             return;
 570         }
 571     }
 572
 573     for (; i < sizeof(ms->loadparm); i++) {
 574         ms->loadparm[i] = ' '; /* pad right with spaces */
 575     }
 576 }
 577 static inline void s390_machine_initfn(Object *obj)
 578 {
 579     object_property_add_bool(obj, "aes-key-wrap",
 580                              machine_get_aes_key_wrap,
 581                              machine_set_aes_key_wrap, NULL);
 582     object_property_set_description(obj, "aes-key-wrap",
 583             "enable/disable AES key wrapping using the CPACF wrapping key",
 584             NULL);
 585     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 586
 587     object_property_add_bool(obj, "dea-key-wrap",
 588                              machine_get_dea_key_wrap,
 589                              machine_set_dea_key_wrap, NULL);
 590     object_property_set_description(obj, "dea-key-wrap",
 591             "enable/disable DEA key wrapping using the CPACF wrapping key",
 592             NULL);
 593     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 594     object_property_add_str(obj, "loadparm",
 595             machine_get_loadparm, machine_set_loadparm, NULL);
 596     object_property_set_description(obj, "loadparm",
 597             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 598             " to upper case) to pass to machine loader, boot manager,"
 599             " and guest kernel",
 600             NULL);
 601 }
 602
 603 static const TypeInfo ccw_machine_info = {
 604     .name          = TYPE_S390_CCW_MACHINE,
 605     .parent        = TYPE_MACHINE,
 606     .abstract      = true,
 607     .instance_size = sizeof(S390CcwMachineState),
 608     .instance_init = s390_machine_initfn,
 609     .class_size = sizeof(S390CcwMachineClass),
 610     .class_init    = ccw_machine_class_init,
 611     .interfaces = (InterfaceInfo[]) {
 612         { TYPE_NMI },
 613         { TYPE_HOTPLUG_HANDLER},
 614         { }
 615     },
 616 };
 617
 618 bool css_migration_enabled(void)
 619 {
 620     return get_machine_class()->css_migration_enabled;
 621 }
 622
 623 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 624     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 625                                                   void *data)                 \
 626     {                                                                         \
 627         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 628         ccw_machine_##suffix##_class_options(mc);                             \
 629         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 630         if (latest) {                                                         \
 631             mc->alias = "s390-ccw-virtio";                                    \
 632             mc->is_default = 1;                                               \
 633         }                                                                     \
 634     }                                                                         \
 635     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 636     {                                                                         \
 637         MachineState *machine = MACHINE(obj);                                 \
 638         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 639         ccw_machine_##suffix##_instance_options(machine);                     \
 640     }                                                                         \
 641     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 642         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 643         .parent = TYPE_S390_CCW_MACHINE,                                      \
 644         .class_init = ccw_machine_##suffix##_class_init,                      \
 645         .instance_init = ccw_machine_##suffix##_instance_init,                \
 646     };                                                                        \
 647     static void ccw_machine_register_##suffix(void)                           \
 648     {                                                                         \
 649         type_register_static(&ccw_machine_##suffix##_info);                   \
 650     }                                                                         \
 651     type_init(ccw_machine_register_##suffix)
 652
 653 static void ccw_machine_4_0_instance_options(MachineState *machine)
 654 {
 655 }
 656
 657 static void ccw_machine_4_0_class_options(MachineClass *mc)
 658 {
 659 }
 660 DEFINE_CCW_MACHINE(4_0, "4.0", true);
 661
 662 static void ccw_machine_3_1_instance_options(MachineState *machine)
 663 {
 664     ccw_machine_4_0_instance_options(machine);
 665 }
 666
 667 static void ccw_machine_3_1_class_options(MachineClass *mc)
 668 {
 669     ccw_machine_4_0_class_options(mc);
 670     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
 671 }
 672 DEFINE_CCW_MACHINE(3_1, "3.1", false);
 673
 674 static void ccw_machine_3_0_instance_options(MachineState *machine)
 675 {
 676     ccw_machine_3_1_instance_options(machine);
 677 }
 678
 679 static void ccw_machine_3_0_class_options(MachineClass *mc)
 680 {
 681     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 682
 683     s390mc->hpage_1m_allowed = false;
 684     ccw_machine_3_1_class_options(mc);
 685     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 686 }
 687 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 688
 689 static void ccw_machine_2_12_instance_options(MachineState *machine)
 690 {
 691     ccw_machine_3_0_instance_options(machine);
 692     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
 693     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
 694 }
 695
 696 static void ccw_machine_2_12_class_options(MachineClass *mc)
 697 {
 698     ccw_machine_3_0_class_options(mc);
 699     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
 700 }
 701 DEFINE_CCW_MACHINE(2_12, "2.12", false);
 702
 703 static void ccw_machine_2_11_instance_options(MachineState *machine)
 704 {
 705     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 706     ccw_machine_2_12_instance_options(machine);
 707
 708     /* before 2.12 we emulated the very first z900 */
 709     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 710 }
 711
 712 static void ccw_machine_2_11_class_options(MachineClass *mc)
 713 {
 714     static GlobalProperty compat[] = {
 715         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
 716     };
 717
 718     ccw_machine_2_12_class_options(mc);
 719     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
 720     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 721 }
 722 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 723
 724 static void ccw_machine_2_10_instance_options(MachineState *machine)
 725 {
 726     ccw_machine_2_11_instance_options(machine);
 727 }
 728
 729 static void ccw_machine_2_10_class_options(MachineClass *mc)
 730 {
 731     ccw_machine_2_11_class_options(mc);
 732     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
 733 }
 734 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 735
 736 static void ccw_machine_2_9_instance_options(MachineState *machine)
 737 {
 738     ccw_machine_2_10_instance_options(machine);
 739     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 740     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 741     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 742     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 743     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 744 }
 745
 746 static void ccw_machine_2_9_class_options(MachineClass *mc)
 747 {
 748     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 749     static GlobalProperty compat[] = {
 750         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
 751     };
 752
 753     ccw_machine_2_10_class_options(mc);
 754     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
 755     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 756     s390mc->css_migration_enabled = false;
 757 }
 758 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 759
 760 static void ccw_machine_2_8_instance_options(MachineState *machine)
 761 {
 762     ccw_machine_2_9_instance_options(machine);
 763 }
 764
 765 static void ccw_machine_2_8_class_options(MachineClass *mc)
 766 {
 767     static GlobalProperty compat[] = {
 768         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
 769     };
 770
 771     ccw_machine_2_9_class_options(mc);
 772     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
 773     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 774 }
 775 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 776
 777 static void ccw_machine_2_7_instance_options(MachineState *machine)
 778 {
 779     ccw_machine_2_8_instance_options(machine);
 780 }
 781
 782 static void ccw_machine_2_7_class_options(MachineClass *mc)
 783 {
 784     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 785
 786     s390mc->cpu_model_allowed = false;
 787     ccw_machine_2_8_class_options(mc);
 788     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
 789 }
 790 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 791
 792 static void ccw_machine_2_6_instance_options(MachineState *machine)
 793 {
 794     ccw_machine_2_7_instance_options(machine);
 795 }
 796
 797 static void ccw_machine_2_6_class_options(MachineClass *mc)
 798 {
 799     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 800     static GlobalProperty compat[] = {
 801         { TYPE_S390_IPL, "iplbext_migration", "off", },
 802          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
 803     };
 804
 805     s390mc->ri_allowed = false;
 806     ccw_machine_2_7_class_options(mc);
 807     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
 808     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 809 }
 810 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 811
 812 static void ccw_machine_2_5_instance_options(MachineState *machine)
 813 {
 814     ccw_machine_2_6_instance_options(machine);
 815 }
 816
 817 static void ccw_machine_2_5_class_options(MachineClass *mc)
 818 {
 819     ccw_machine_2_6_class_options(mc);
 820     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
 821 }
 822 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 823
 824 static void ccw_machine_2_4_instance_options(MachineState *machine)
 825 {
 826     ccw_machine_2_5_instance_options(machine);
 827 }
 828
 829 static void ccw_machine_2_4_class_options(MachineClass *mc)
 830 {
 831     static GlobalProperty compat[] = {
 832         { TYPE_S390_SKEYS, "migration-enabled", "off", },
 833         { "virtio-blk-ccw", "max_revision", "0", },
 834         { "virtio-balloon-ccw", "max_revision", "0", },
 835         { "virtio-serial-ccw", "max_revision", "0", },
 836         { "virtio-9p-ccw", "max_revision", "0", },
 837         { "virtio-rng-ccw", "max_revision", "0", },
 838         { "virtio-net-ccw", "max_revision", "0", },
 839         { "virtio-scsi-ccw", "max_revision", "0", },
 840         { "vhost-scsi-ccw", "max_revision", "0", },
 841     };
 842
 843     ccw_machine_2_5_class_options(mc);
 844     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
 845     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 846 }
 847 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 848
 849 static void ccw_machine_register_types(void)
 850 {
 851     type_register_static(&ccw_machine_info);
 852 }
 853
 854 type_init(ccw_machine_register_types)