hw/s390x/s390-virtio-ccw.c

   1 /*
   2  * virtio ccw machine
   3  *
   4  * Copyright 2012 IBM Corp.
   5  * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
   6  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   9  * your option) any later version. See the COPYING file in the top-level
  10  * directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "qapi/error.h"
  15 #include "qemu-common.h"
  16 #include "cpu.h"
  17 #include "hw/boards.h"
  18 #include "exec/address-spaces.h"
  19 #include "hw/s390x/s390-virtio-hcall.h"
  20 #include "hw/s390x/sclp.h"
  21 #include "hw/s390x/s390_flic.h"
  22 #include "hw/s390x/ioinst.h"
  23 #include "hw/s390x/css.h"
  24 #include "virtio-ccw.h"
  25 #include "qemu/config-file.h"
  26 #include "qemu/error-report.h"
  27 #include "s390-pci-bus.h"
  28 #include "hw/s390x/storage-keys.h"
  29 #include "hw/s390x/storage-attributes.h"
  30 #include "hw/compat.h"
  31 #include "ipl.h"
  32 #include "hw/s390x/s390-virtio-ccw.h"
  33 #include "hw/s390x/css-bridge.h"
  34 #include "migration/register.h"
  35 #include "cpu_models.h"
  36 #include "qapi/qmp/qerror.h"
  37 #include "hw/nmi.h"
  38
  39 static S390CPU **cpu_states;
  40
  41 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  42 {
  43     if (cpu_addr >= max_cpus) {
  44         return NULL;
  45     }
  46
  47     /* Fast lookup via CPU ID */
  48     return cpu_states[cpu_addr];
  49 }
  50
  51 static void s390_init_cpus(MachineState *machine)
  52 {
  53     int i;
  54     gchar *name;
  55
  56     if (machine->cpu_model == NULL) {
  57         machine->cpu_model = s390_default_cpu_model_name();
  58     }
  59     if (tcg_enabled() && max_cpus > 1) {
  60         error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
  61                      "supported by TCG (1) on s390x", max_cpus);
  62         exit(1);
  63     }
  64
  65     cpu_states = g_new0(S390CPU *, max_cpus);
  66
  67     for (i = 0; i < max_cpus; i++) {
  68         name = g_strdup_printf("cpu[%i]", i);
  69         object_property_add_link(OBJECT(machine), name, TYPE_S390_CPU,
  70                                  (Object **) &cpu_states[i],
  71                                  object_property_allow_set_link,
  72                                  OBJ_PROP_LINK_UNREF_ON_RELEASE,
  73                                  &error_abort);
  74         g_free(name);
  75     }
  76
  77     for (i = 0; i < smp_cpus; i++) {
  78         s390x_new_cpu(machine->cpu_model, i, &error_fatal);
  79     }
  80 }
  81
  82 static const char *const reset_dev_types[] = {
  83     TYPE_VIRTUAL_CSS_BRIDGE,
  84     "s390-sclp-event-facility",
  85     "s390-flic",
  86     "diag288",
  87 };
  88
  89 void subsystem_reset(void)
  90 {
  91     DeviceState *dev;
  92     int i;
  93
  94     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
  95         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
  96         if (dev) {
  97             qdev_reset_all(dev);
  98         }
  99     }
 100 }
 101
 102 static int virtio_ccw_hcall_notify(const uint64_t *args)
 103 {
 104     uint64_t subch_id = args[0];
 105     uint64_t queue = args[1];
 106     SubchDev *sch;
 107     int cssid, ssid, schid, m;
 108
 109     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 110         return -EINVAL;
 111     }
 112     sch = css_find_subch(m, cssid, ssid, schid);
 113     if (!sch || !css_subch_visible(sch)) {
 114         return -EINVAL;
 115     }
 116     if (queue >= VIRTIO_QUEUE_MAX) {
 117         return -EINVAL;
 118     }
 119     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 120     return 0;
 121
 122 }
 123
 124 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 125 {
 126     uint64_t mem = args[0];
 127
 128     if (mem < ram_size) {
 129         /* Early printk */
 130         return 0;
 131     }
 132     return -EINVAL;
 133 }
 134
 135 static void virtio_ccw_register_hcalls(void)
 136 {
 137     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 138                                    virtio_ccw_hcall_notify);
 139     /* Tolerate early printk. */
 140     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 141                                    virtio_ccw_hcall_early_printk);
 142 }
 143
 144 static void s390_memory_init(ram_addr_t mem_size)
 145 {
 146     MemoryRegion *sysmem = get_system_memory();
 147     MemoryRegion *ram = g_new(MemoryRegion, 1);
 148
 149     /* allocate RAM for core */
 150     memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
 151     memory_region_add_subregion(sysmem, 0, ram);
 152
 153     /* Initialize storage key device */
 154     s390_skeys_init();
 155     /* Initialize storage attributes device */
 156     s390_stattrib_init();
 157 }
 158
 159 #define S390_TOD_CLOCK_VALUE_MISSING    0x00
 160 #define S390_TOD_CLOCK_VALUE_PRESENT    0x01
 161
 162 static void gtod_save(QEMUFile *f, void *opaque)
 163 {
 164     uint64_t tod_low;
 165     uint8_t tod_high;
 166     int r;
 167
 168     r = s390_get_clock(&tod_high, &tod_low);
 169     if (r) {
 170         warn_report("Unable to get guest clock for migration: %s",
 171                     strerror(-r));
 172         error_printf("Guest clock will not be migrated "
 173                      "which could cause the guest to hang.");
 174         qemu_put_byte(f, S390_TOD_CLOCK_VALUE_MISSING);
 175         return;
 176     }
 177
 178     qemu_put_byte(f, S390_TOD_CLOCK_VALUE_PRESENT);
 179     qemu_put_byte(f, tod_high);
 180     qemu_put_be64(f, tod_low);
 181 }
 182
 183 static int gtod_load(QEMUFile *f, void *opaque, int version_id)
 184 {
 185     uint64_t tod_low;
 186     uint8_t tod_high;
 187     int r;
 188
 189     if (qemu_get_byte(f) == S390_TOD_CLOCK_VALUE_MISSING) {
 190         warn_report("Guest clock was not migrated. This could "
 191                     "cause the guest to hang.");
 192         return 0;
 193     }
 194
 195     tod_high = qemu_get_byte(f);
 196     tod_low = qemu_get_be64(f);
 197
 198     r = s390_set_clock(&tod_high, &tod_low);
 199     if (r) {
 200         warn_report("Unable to set guest clock for migration: %s",
 201                     strerror(-r));
 202         error_printf("Guest clock will not be restored "
 203                      "which could cause the guest to hang.");
 204     }
 205
 206     return 0;
 207 }
 208
 209 static SaveVMHandlers savevm_gtod = {
 210     .save_state = gtod_save,
 211     .load_state = gtod_load,
 212 };
 213
 214 static void s390_init_ipl_dev(const char *kernel_filename,
 215                               const char *kernel_cmdline,
 216                               const char *initrd_filename, const char *firmware,
 217                               const char *netboot_fw, bool enforce_bios)
 218 {
 219     Object *new = object_new(TYPE_S390_IPL);
 220     DeviceState *dev = DEVICE(new);
 221
 222     if (kernel_filename) {
 223         qdev_prop_set_string(dev, "kernel", kernel_filename);
 224     }
 225     if (initrd_filename) {
 226         qdev_prop_set_string(dev, "initrd", initrd_filename);
 227     }
 228     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 229     qdev_prop_set_string(dev, "firmware", firmware);
 230     qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 231     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 232     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 233                               new, NULL);
 234     object_unref(new);
 235     qdev_init_nofail(dev);
 236 }
 237
 238 static void s390_create_virtio_net(BusState *bus, const char *name)
 239 {
 240     int i;
 241
 242     for (i = 0; i < nb_nics; i++) {
 243         NICInfo *nd = &nd_table[i];
 244         DeviceState *dev;
 245
 246         if (!nd->model) {
 247             nd->model = g_strdup("virtio");
 248         }
 249
 250         qemu_check_nic_model(nd, "virtio");
 251
 252         dev = qdev_create(bus, name);
 253         qdev_set_nic_properties(dev, nd);
 254         qdev_init_nofail(dev);
 255     }
 256 }
 257
 258 static void ccw_init(MachineState *machine)
 259 {
 260     int ret;
 261     VirtualCssBus *css_bus;
 262
 263     s390_sclp_init();
 264     s390_memory_init(machine->ram_size);
 265
 266     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 267     s390_init_cpus(machine);
 268
 269     s390_flic_init();
 270
 271     /* get a BUS */
 272     css_bus = virtual_css_bus_init();
 273     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 274                       machine->initrd_filename, "s390-ccw.img",
 275                       "s390-netboot.img", true);
 276
 277     if (s390_has_feat(S390_FEAT_ZPCI)) {
 278         DeviceState *dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 279         object_property_add_child(qdev_get_machine(),
 280                                   TYPE_S390_PCI_HOST_BRIDGE,
 281                                   OBJECT(dev), NULL);
 282         qdev_init_nofail(dev);
 283     }
 284
 285     /* register hypercalls */
 286     virtio_ccw_register_hcalls();
 287
 288     s390_enable_css_support(s390_cpu_addr2state(0));
 289     /*
 290      * Non mcss-e enabled guests only see the devices from the default
 291      * css, which is determined by the value of the squash_mcss property.
 292      * Note: we must not squash non virtual devices to css 0xFE.
 293      */
 294     if (css_bus->squash_mcss) {
 295         ret = css_create_css_image(0, true);
 296     } else {
 297         ret = css_create_css_image(VIRTUAL_CSSID, true);
 298     }
 299     assert(ret == 0);
 300
 301     /* Create VirtIO network adapters */
 302     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 303
 304     /* Register savevm handler for guest TOD clock */
 305     register_savevm_live(NULL, "todclock", 0, 1, &savevm_gtod, NULL);
 306 }
 307
 308 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 309                         DeviceState *dev, Error **errp)
 310 {
 311     gchar *name;
 312     S390CPU *cpu = S390_CPU(dev);
 313     CPUState *cs = CPU(dev);
 314
 315     name = g_strdup_printf("cpu[%i]", cpu->env.core_id);
 316     object_property_set_link(OBJECT(hotplug_dev), OBJECT(cs), name,
 317                              errp);
 318     g_free(name);
 319 }
 320
 321 static void s390_machine_reset(void)
 322 {
 323     S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
 324
 325     s390_cmma_reset();
 326     qemu_devices_reset();
 327     s390_crypto_reset();
 328
 329     /* all cpus are stopped - configure and start the ipl cpu only */
 330     s390_ipl_prepare_cpu(ipl_cpu);
 331     s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu);
 332 }
 333
 334 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 335                                      DeviceState *dev, Error **errp)
 336 {
 337     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 338         s390_cpu_plug(hotplug_dev, dev, errp);
 339     }
 340 }
 341
 342 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 343                                                 DeviceState *dev)
 344 {
 345     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 346         return HOTPLUG_HANDLER(machine);
 347     }
 348     return NULL;
 349 }
 350
 351 static void s390_hot_add_cpu(const int64_t id, Error **errp)
 352 {
 353     MachineState *machine = MACHINE(qdev_get_machine());
 354
 355     s390x_new_cpu(machine->cpu_model, id, errp);
 356 }
 357
 358 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 359 {
 360     CPUState *cs = qemu_get_cpu(cpu_index);
 361
 362     if (s390_cpu_restart(S390_CPU(cs))) {
 363         error_setg(errp, QERR_UNSUPPORTED);
 364     }
 365 }
 366
 367 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 368 {
 369     MachineClass *mc = MACHINE_CLASS(oc);
 370     NMIClass *nc = NMI_CLASS(oc);
 371     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 372     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 373
 374     s390mc->ri_allowed = true;
 375     s390mc->cpu_model_allowed = true;
 376     s390mc->css_migration_enabled = true;
 377     s390mc->gs_allowed = true;
 378     mc->init = ccw_init;
 379     mc->reset = s390_machine_reset;
 380     mc->hot_add_cpu = s390_hot_add_cpu;
 381     mc->block_default_type = IF_VIRTIO;
 382     mc->no_cdrom = 1;
 383     mc->no_floppy = 1;
 384     mc->no_serial = 1;
 385     mc->no_parallel = 1;
 386     mc->no_sdcard = 1;
 387     mc->use_sclp = 1;
 388     mc->max_cpus = 248;
 389     mc->get_hotplug_handler = s390_get_hotplug_handler;
 390     hc->plug = s390_machine_device_plug;
 391     nc->nmi_monitor_handler = s390_nmi;
 392 }
 393
 394 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 395 {
 396     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 397
 398     return ms->aes_key_wrap;
 399 }
 400
 401 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 402                                             Error **errp)
 403 {
 404     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 405
 406     ms->aes_key_wrap = value;
 407 }
 408
 409 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 410 {
 411     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 412
 413     return ms->dea_key_wrap;
 414 }
 415
 416 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 417                                             Error **errp)
 418 {
 419     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 420
 421     ms->dea_key_wrap = value;
 422 }
 423
 424 static S390CcwMachineClass *current_mc;
 425
 426 static S390CcwMachineClass *get_machine_class(void)
 427 {
 428     if (unlikely(!current_mc)) {
 429         /*
 430         * No s390 ccw machine was instantiated, we are likely to
 431         * be called for the 'none' machine. The properties will
 432         * have their after-initialization values.
 433         */
 434         current_mc = S390_MACHINE_CLASS(
 435                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 436     }
 437     return current_mc;
 438 }
 439
 440 bool ri_allowed(void)
 441 {
 442     /* for "none" machine this results in true */
 443     return get_machine_class()->ri_allowed;
 444 }
 445
 446 bool cpu_model_allowed(void)
 447 {
 448     /* for "none" machine this results in true */
 449     return get_machine_class()->cpu_model_allowed;
 450 }
 451
 452 bool gs_allowed(void)
 453 {
 454     /* for "none" machine this results in true */
 455     return get_machine_class()->gs_allowed;
 456 }
 457
 458 static char *machine_get_loadparm(Object *obj, Error **errp)
 459 {
 460     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 461
 462     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 463 }
 464
 465 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 466 {
 467     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 468     int i;
 469
 470     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 471         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 472
 473         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 474             (c == ' ')) {
 475             ms->loadparm[i] = c;
 476         } else {
 477             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 478                        c, c);
 479             return;
 480         }
 481     }
 482
 483     for (; i < sizeof(ms->loadparm); i++) {
 484         ms->loadparm[i] = ' '; /* pad right with spaces */
 485     }
 486 }
 487 static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
 488 {
 489     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 490
 491     return ms->s390_squash_mcss;
 492 }
 493
 494 static inline void machine_set_squash_mcss(Object *obj, bool value,
 495                                            Error **errp)
 496 {
 497     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 498
 499     ms->s390_squash_mcss = value;
 500 }
 501
 502 static inline void s390_machine_initfn(Object *obj)
 503 {
 504     object_property_add_bool(obj, "aes-key-wrap",
 505                              machine_get_aes_key_wrap,
 506                              machine_set_aes_key_wrap, NULL);
 507     object_property_set_description(obj, "aes-key-wrap",
 508             "enable/disable AES key wrapping using the CPACF wrapping key",
 509             NULL);
 510     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 511
 512     object_property_add_bool(obj, "dea-key-wrap",
 513                              machine_get_dea_key_wrap,
 514                              machine_set_dea_key_wrap, NULL);
 515     object_property_set_description(obj, "dea-key-wrap",
 516             "enable/disable DEA key wrapping using the CPACF wrapping key",
 517             NULL);
 518     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 519     object_property_add_str(obj, "loadparm",
 520             machine_get_loadparm, machine_set_loadparm, NULL);
 521     object_property_set_description(obj, "loadparm",
 522             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 523             " to upper case) to pass to machine loader, boot manager,"
 524             " and guest kernel",
 525             NULL);
 526     object_property_add_bool(obj, "s390-squash-mcss",
 527                              machine_get_squash_mcss,
 528                              machine_set_squash_mcss, NULL);
 529     object_property_set_description(obj, "s390-squash-mcss",
 530             "enable/disable squashing subchannels into the default css",
 531             NULL);
 532     object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
 533 }
 534
 535 static const TypeInfo ccw_machine_info = {
 536     .name          = TYPE_S390_CCW_MACHINE,
 537     .parent        = TYPE_MACHINE,
 538     .abstract      = true,
 539     .instance_size = sizeof(S390CcwMachineState),
 540     .instance_init = s390_machine_initfn,
 541     .class_size = sizeof(S390CcwMachineClass),
 542     .class_init    = ccw_machine_class_init,
 543     .interfaces = (InterfaceInfo[]) {
 544         { TYPE_NMI },
 545         { TYPE_HOTPLUG_HANDLER},
 546         { }
 547     },
 548 };
 549
 550 bool css_migration_enabled(void)
 551 {
 552     return get_machine_class()->css_migration_enabled;
 553 }
 554
 555 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 556     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 557                                                   void *data)                 \
 558     {                                                                         \
 559         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 560         ccw_machine_##suffix##_class_options(mc);                             \
 561         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 562         if (latest) {                                                         \
 563             mc->alias = "s390-ccw-virtio";                                    \
 564             mc->is_default = 1;                                               \
 565         }                                                                     \
 566     }                                                                         \
 567     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 568     {                                                                         \
 569         MachineState *machine = MACHINE(obj);                                 \
 570         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 571         ccw_machine_##suffix##_instance_options(machine);                     \
 572     }                                                                         \
 573     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 574         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 575         .parent = TYPE_S390_CCW_MACHINE,                                      \
 576         .class_init = ccw_machine_##suffix##_class_init,                      \
 577         .instance_init = ccw_machine_##suffix##_instance_init,                \
 578     };                                                                        \
 579     static void ccw_machine_register_##suffix(void)                           \
 580     {                                                                         \
 581         type_register_static(&ccw_machine_##suffix##_info);                   \
 582     }                                                                         \
 583     type_init(ccw_machine_register_##suffix)
 584
 585 #define CCW_COMPAT_2_10 \
 586         HW_COMPAT_2_10
 587
 588 #define CCW_COMPAT_2_9 \
 589         HW_COMPAT_2_9 \
 590         {\
 591             .driver   = TYPE_S390_STATTRIB,\
 592             .property = "migration-enabled",\
 593             .value    = "off",\
 594         },
 595
 596 #define CCW_COMPAT_2_8 \
 597         HW_COMPAT_2_8 \
 598         {\
 599             .driver   = TYPE_S390_FLIC_COMMON,\
 600             .property = "adapter_routes_max_batch",\
 601             .value    = "64",\
 602         },
 603
 604 #define CCW_COMPAT_2_7 \
 605         HW_COMPAT_2_7
 606
 607 #define CCW_COMPAT_2_6 \
 608         HW_COMPAT_2_6 \
 609         {\
 610             .driver   = TYPE_S390_IPL,\
 611             .property = "iplbext_migration",\
 612             .value    = "off",\
 613         }, {\
 614             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
 615             .property = "css_dev_path",\
 616             .value    = "off",\
 617         },
 618
 619 #define CCW_COMPAT_2_5 \
 620         HW_COMPAT_2_5
 621
 622 #define CCW_COMPAT_2_4 \
 623         HW_COMPAT_2_4 \
 624         {\
 625             .driver   = TYPE_S390_SKEYS,\
 626             .property = "migration-enabled",\
 627             .value    = "off",\
 628         },{\
 629             .driver   = "virtio-blk-ccw",\
 630             .property = "max_revision",\
 631             .value    = "0",\
 632         },{\
 633             .driver   = "virtio-balloon-ccw",\
 634             .property = "max_revision",\
 635             .value    = "0",\
 636         },{\
 637             .driver   = "virtio-serial-ccw",\
 638             .property = "max_revision",\
 639             .value    = "0",\
 640         },{\
 641             .driver   = "virtio-9p-ccw",\
 642             .property = "max_revision",\
 643             .value    = "0",\
 644         },{\
 645             .driver   = "virtio-rng-ccw",\
 646             .property = "max_revision",\
 647             .value    = "0",\
 648         },{\
 649             .driver   = "virtio-net-ccw",\
 650             .property = "max_revision",\
 651             .value    = "0",\
 652         },{\
 653             .driver   = "virtio-scsi-ccw",\
 654             .property = "max_revision",\
 655             .value    = "0",\
 656         },{\
 657             .driver   = "vhost-scsi-ccw",\
 658             .property = "max_revision",\
 659             .value    = "0",\
 660         },
 661
 662 static void ccw_machine_2_11_instance_options(MachineState *machine)
 663 {
 664 }
 665
 666 static void ccw_machine_2_11_class_options(MachineClass *mc)
 667 {
 668 }
 669 DEFINE_CCW_MACHINE(2_11, "2.11", true);
 670
 671 static void ccw_machine_2_10_instance_options(MachineState *machine)
 672 {
 673     ccw_machine_2_11_instance_options(machine);
 674     if (css_migration_enabled()) {
 675         css_register_vmstate();
 676     }
 677 }
 678
 679 static void ccw_machine_2_10_class_options(MachineClass *mc)
 680 {
 681     ccw_machine_2_11_class_options(mc);
 682     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
 683 }
 684 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 685
 686 static void ccw_machine_2_9_instance_options(MachineState *machine)
 687 {
 688     ccw_machine_2_10_instance_options(machine);
 689     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 690     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 691     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 692     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 693     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 694 }
 695
 696 static void ccw_machine_2_9_class_options(MachineClass *mc)
 697 {
 698     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 699
 700     s390mc->gs_allowed = false;
 701     ccw_machine_2_10_class_options(mc);
 702     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
 703     s390mc->css_migration_enabled = false;
 704 }
 705 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 706
 707 static void ccw_machine_2_8_instance_options(MachineState *machine)
 708 {
 709     ccw_machine_2_9_instance_options(machine);
 710 }
 711
 712 static void ccw_machine_2_8_class_options(MachineClass *mc)
 713 {
 714     ccw_machine_2_9_class_options(mc);
 715     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
 716 }
 717 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 718
 719 static void ccw_machine_2_7_instance_options(MachineState *machine)
 720 {
 721     ccw_machine_2_8_instance_options(machine);
 722 }
 723
 724 static void ccw_machine_2_7_class_options(MachineClass *mc)
 725 {
 726     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 727
 728     s390mc->cpu_model_allowed = false;
 729     ccw_machine_2_8_class_options(mc);
 730     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
 731 }
 732 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 733
 734 static void ccw_machine_2_6_instance_options(MachineState *machine)
 735 {
 736     ccw_machine_2_7_instance_options(machine);
 737 }
 738
 739 static void ccw_machine_2_6_class_options(MachineClass *mc)
 740 {
 741     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 742
 743     s390mc->ri_allowed = false;
 744     ccw_machine_2_7_class_options(mc);
 745     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
 746 }
 747 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 748
 749 static void ccw_machine_2_5_instance_options(MachineState *machine)
 750 {
 751     ccw_machine_2_6_instance_options(machine);
 752 }
 753
 754 static void ccw_machine_2_5_class_options(MachineClass *mc)
 755 {
 756     ccw_machine_2_6_class_options(mc);
 757     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
 758 }
 759 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 760
 761 static void ccw_machine_2_4_instance_options(MachineState *machine)
 762 {
 763     ccw_machine_2_5_instance_options(machine);
 764 }
 765
 766 static void ccw_machine_2_4_class_options(MachineClass *mc)
 767 {
 768     ccw_machine_2_5_class_options(mc);
 769     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
 770 }
 771 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 772
 773 static void ccw_machine_register_types(void)
 774 {
 775     type_register_static(&ccw_machine_info);
 776 }
 777
 778 type_init(ccw_machine_register_types)