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 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  40 {
  41     static MachineState *ms;
  42
  43     if (!ms) {
  44         ms = MACHINE(qdev_get_machine());
  45         g_assert(ms->possible_cpus);
  46     }
  47
  48     /* CPU address corresponds to the core_id and the index */
  49     if (cpu_addr >= ms->possible_cpus->len) {
  50         return NULL;
  51     }
  52     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
  53 }
  54
  55 static void s390_init_cpus(MachineState *machine)
  56 {
  57     MachineClass *mc = MACHINE_GET_CLASS(machine);
  58     int i;
  59
  60     if (machine->cpu_model == NULL) {
  61         machine->cpu_model = s390_default_cpu_model_name();
  62     }
  63     if (tcg_enabled() && max_cpus > 1) {
  64         error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
  65                      "supported by TCG (1) on s390x", max_cpus);
  66         exit(1);
  67     }
  68
  69     /* initialize possible_cpus */
  70     mc->possible_cpu_arch_ids(machine);
  71
  72     for (i = 0; i < smp_cpus; i++) {
  73         s390x_new_cpu(machine->cpu_model, i, &error_fatal);
  74     }
  75 }
  76
  77 static const char *const reset_dev_types[] = {
  78     TYPE_VIRTUAL_CSS_BRIDGE,
  79     "s390-sclp-event-facility",
  80     "s390-flic",
  81     "diag288",
  82 };
  83
  84 void subsystem_reset(void)
  85 {
  86     DeviceState *dev;
  87     int i;
  88
  89     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
  90         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
  91         if (dev) {
  92             qdev_reset_all(dev);
  93         }
  94     }
  95 }
  96
  97 static int virtio_ccw_hcall_notify(const uint64_t *args)
  98 {
  99     uint64_t subch_id = args[0];
 100     uint64_t queue = args[1];
 101     SubchDev *sch;
 102     int cssid, ssid, schid, m;
 103
 104     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 105         return -EINVAL;
 106     }
 107     sch = css_find_subch(m, cssid, ssid, schid);
 108     if (!sch || !css_subch_visible(sch)) {
 109         return -EINVAL;
 110     }
 111     if (queue >= VIRTIO_QUEUE_MAX) {
 112         return -EINVAL;
 113     }
 114     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 115     return 0;
 116
 117 }
 118
 119 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 120 {
 121     uint64_t mem = args[0];
 122
 123     if (mem < ram_size) {
 124         /* Early printk */
 125         return 0;
 126     }
 127     return -EINVAL;
 128 }
 129
 130 static void virtio_ccw_register_hcalls(void)
 131 {
 132     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 133                                    virtio_ccw_hcall_notify);
 134     /* Tolerate early printk. */
 135     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 136                                    virtio_ccw_hcall_early_printk);
 137 }
 138
 139 static void s390_memory_init(ram_addr_t mem_size)
 140 {
 141     MemoryRegion *sysmem = get_system_memory();
 142     MemoryRegion *ram = g_new(MemoryRegion, 1);
 143
 144     /* allocate RAM for core */
 145     memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
 146     memory_region_add_subregion(sysmem, 0, ram);
 147
 148     /* Initialize storage key device */
 149     s390_skeys_init();
 150     /* Initialize storage attributes device */
 151     s390_stattrib_init();
 152 }
 153
 154 #define S390_TOD_CLOCK_VALUE_MISSING    0x00
 155 #define S390_TOD_CLOCK_VALUE_PRESENT    0x01
 156
 157 static void gtod_save(QEMUFile *f, void *opaque)
 158 {
 159     uint64_t tod_low;
 160     uint8_t tod_high;
 161     int r;
 162
 163     r = s390_get_clock(&tod_high, &tod_low);
 164     if (r) {
 165         warn_report("Unable to get guest clock for migration: %s",
 166                     strerror(-r));
 167         error_printf("Guest clock will not be migrated "
 168                      "which could cause the guest to hang.");
 169         qemu_put_byte(f, S390_TOD_CLOCK_VALUE_MISSING);
 170         return;
 171     }
 172
 173     qemu_put_byte(f, S390_TOD_CLOCK_VALUE_PRESENT);
 174     qemu_put_byte(f, tod_high);
 175     qemu_put_be64(f, tod_low);
 176 }
 177
 178 static int gtod_load(QEMUFile *f, void *opaque, int version_id)
 179 {
 180     uint64_t tod_low;
 181     uint8_t tod_high;
 182     int r;
 183
 184     if (qemu_get_byte(f) == S390_TOD_CLOCK_VALUE_MISSING) {
 185         warn_report("Guest clock was not migrated. This could "
 186                     "cause the guest to hang.");
 187         return 0;
 188     }
 189
 190     tod_high = qemu_get_byte(f);
 191     tod_low = qemu_get_be64(f);
 192
 193     r = s390_set_clock(&tod_high, &tod_low);
 194     if (r) {
 195         warn_report("Unable to set guest clock for migration: %s",
 196                     strerror(-r));
 197         error_printf("Guest clock will not be restored "
 198                      "which could cause the guest to hang.");
 199     }
 200
 201     return 0;
 202 }
 203
 204 static SaveVMHandlers savevm_gtod = {
 205     .save_state = gtod_save,
 206     .load_state = gtod_load,
 207 };
 208
 209 static void s390_init_ipl_dev(const char *kernel_filename,
 210                               const char *kernel_cmdline,
 211                               const char *initrd_filename, const char *firmware,
 212                               const char *netboot_fw, bool enforce_bios)
 213 {
 214     Object *new = object_new(TYPE_S390_IPL);
 215     DeviceState *dev = DEVICE(new);
 216
 217     if (kernel_filename) {
 218         qdev_prop_set_string(dev, "kernel", kernel_filename);
 219     }
 220     if (initrd_filename) {
 221         qdev_prop_set_string(dev, "initrd", initrd_filename);
 222     }
 223     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 224     qdev_prop_set_string(dev, "firmware", firmware);
 225     qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 226     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 227     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 228                               new, NULL);
 229     object_unref(new);
 230     qdev_init_nofail(dev);
 231 }
 232
 233 static void s390_create_virtio_net(BusState *bus, const char *name)
 234 {
 235     int i;
 236
 237     for (i = 0; i < nb_nics; i++) {
 238         NICInfo *nd = &nd_table[i];
 239         DeviceState *dev;
 240
 241         if (!nd->model) {
 242             nd->model = g_strdup("virtio");
 243         }
 244
 245         qemu_check_nic_model(nd, "virtio");
 246
 247         dev = qdev_create(bus, name);
 248         qdev_set_nic_properties(dev, nd);
 249         qdev_init_nofail(dev);
 250     }
 251 }
 252
 253 static void ccw_init(MachineState *machine)
 254 {
 255     int ret;
 256     VirtualCssBus *css_bus;
 257
 258     s390_sclp_init();
 259     s390_memory_init(machine->ram_size);
 260
 261     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 262     s390_init_cpus(machine);
 263
 264     s390_flic_init();
 265
 266     /* get a BUS */
 267     css_bus = virtual_css_bus_init();
 268     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 269                       machine->initrd_filename, "s390-ccw.img",
 270                       "s390-netboot.img", true);
 271
 272     if (s390_has_feat(S390_FEAT_ZPCI)) {
 273         DeviceState *dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 274         object_property_add_child(qdev_get_machine(),
 275                                   TYPE_S390_PCI_HOST_BRIDGE,
 276                                   OBJECT(dev), NULL);
 277         qdev_init_nofail(dev);
 278     }
 279
 280     /* register hypercalls */
 281     virtio_ccw_register_hcalls();
 282
 283     s390_enable_css_support(s390_cpu_addr2state(0));
 284     /*
 285      * Non mcss-e enabled guests only see the devices from the default
 286      * css, which is determined by the value of the squash_mcss property.
 287      * Note: we must not squash non virtual devices to css 0xFE.
 288      */
 289     if (css_bus->squash_mcss) {
 290         ret = css_create_css_image(0, true);
 291     } else {
 292         ret = css_create_css_image(VIRTUAL_CSSID, true);
 293     }
 294     assert(ret == 0);
 295
 296     /* Create VirtIO network adapters */
 297     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 298
 299     /* Register savevm handler for guest TOD clock */
 300     register_savevm_live(NULL, "todclock", 0, 1, &savevm_gtod, NULL);
 301 }
 302
 303 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 304                         DeviceState *dev, Error **errp)
 305 {
 306     MachineState *ms = MACHINE(hotplug_dev);
 307     S390CPU *cpu = S390_CPU(dev);
 308
 309     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 310     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 311 }
 312
 313 static void s390_machine_reset(void)
 314 {
 315     S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
 316
 317     s390_cmma_reset();
 318     qemu_devices_reset();
 319     s390_crypto_reset();
 320
 321     /* all cpus are stopped - configure and start the ipl cpu only */
 322     s390_ipl_prepare_cpu(ipl_cpu);
 323     s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu);
 324 }
 325
 326 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 327                                      DeviceState *dev, Error **errp)
 328 {
 329     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 330         s390_cpu_plug(hotplug_dev, dev, errp);
 331     }
 332 }
 333
 334 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 335                                                DeviceState *dev, Error **errp)
 336 {
 337     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 338         error_setg(errp, "CPU hot unplug not supported on this machine");
 339         return;
 340     }
 341 }
 342
 343 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *machine,
 344                                                      unsigned cpu_index)
 345 {
 346     g_assert(machine->possible_cpus && cpu_index < machine->possible_cpus->len);
 347
 348     return machine->possible_cpus->cpus[cpu_index].props;
 349 }
 350
 351 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 352 {
 353     int i;
 354
 355     if (ms->possible_cpus) {
 356         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 357         return ms->possible_cpus;
 358     }
 359
 360     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 361                                   sizeof(CPUArchId) * max_cpus);
 362     ms->possible_cpus->len = max_cpus;
 363     for (i = 0; i < ms->possible_cpus->len; i++) {
 364         ms->possible_cpus->cpus[i].vcpus_count = 1;
 365         ms->possible_cpus->cpus[i].arch_id = i;
 366         ms->possible_cpus->cpus[i].props.has_core_id = true;
 367         ms->possible_cpus->cpus[i].props.core_id = i;
 368     }
 369
 370     return ms->possible_cpus;
 371 }
 372
 373 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 374                                                 DeviceState *dev)
 375 {
 376     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 377         return HOTPLUG_HANDLER(machine);
 378     }
 379     return NULL;
 380 }
 381
 382 static void s390_hot_add_cpu(const int64_t id, Error **errp)
 383 {
 384     MachineState *machine = MACHINE(qdev_get_machine());
 385
 386     s390x_new_cpu(machine->cpu_model, id, errp);
 387 }
 388
 389 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 390 {
 391     CPUState *cs = qemu_get_cpu(cpu_index);
 392
 393     if (s390_cpu_restart(S390_CPU(cs))) {
 394         error_setg(errp, QERR_UNSUPPORTED);
 395     }
 396 }
 397
 398 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 399 {
 400     MachineClass *mc = MACHINE_CLASS(oc);
 401     NMIClass *nc = NMI_CLASS(oc);
 402     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 403     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 404
 405     s390mc->ri_allowed = true;
 406     s390mc->cpu_model_allowed = true;
 407     s390mc->css_migration_enabled = true;
 408     s390mc->gs_allowed = true;
 409     mc->init = ccw_init;
 410     mc->reset = s390_machine_reset;
 411     mc->hot_add_cpu = s390_hot_add_cpu;
 412     mc->block_default_type = IF_VIRTIO;
 413     mc->no_cdrom = 1;
 414     mc->no_floppy = 1;
 415     mc->no_serial = 1;
 416     mc->no_parallel = 1;
 417     mc->no_sdcard = 1;
 418     mc->use_sclp = 1;
 419     mc->max_cpus = 248;
 420     mc->has_hotpluggable_cpus = true;
 421     mc->get_hotplug_handler = s390_get_hotplug_handler;
 422     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 423     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 424     hc->plug = s390_machine_device_plug;
 425     hc->unplug_request = s390_machine_device_unplug_request;
 426     nc->nmi_monitor_handler = s390_nmi;
 427 }
 428
 429 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 430 {
 431     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 432
 433     return ms->aes_key_wrap;
 434 }
 435
 436 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 437                                             Error **errp)
 438 {
 439     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 440
 441     ms->aes_key_wrap = value;
 442 }
 443
 444 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 445 {
 446     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 447
 448     return ms->dea_key_wrap;
 449 }
 450
 451 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 452                                             Error **errp)
 453 {
 454     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 455
 456     ms->dea_key_wrap = value;
 457 }
 458
 459 static S390CcwMachineClass *current_mc;
 460
 461 static S390CcwMachineClass *get_machine_class(void)
 462 {
 463     if (unlikely(!current_mc)) {
 464         /*
 465         * No s390 ccw machine was instantiated, we are likely to
 466         * be called for the 'none' machine. The properties will
 467         * have their after-initialization values.
 468         */
 469         current_mc = S390_MACHINE_CLASS(
 470                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 471     }
 472     return current_mc;
 473 }
 474
 475 bool ri_allowed(void)
 476 {
 477     /* for "none" machine this results in true */
 478     return get_machine_class()->ri_allowed;
 479 }
 480
 481 bool cpu_model_allowed(void)
 482 {
 483     /* for "none" machine this results in true */
 484     return get_machine_class()->cpu_model_allowed;
 485 }
 486
 487 bool gs_allowed(void)
 488 {
 489     /* for "none" machine this results in true */
 490     return get_machine_class()->gs_allowed;
 491 }
 492
 493 static char *machine_get_loadparm(Object *obj, Error **errp)
 494 {
 495     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 496
 497     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 498 }
 499
 500 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 501 {
 502     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 503     int i;
 504
 505     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 506         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 507
 508         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 509             (c == ' ')) {
 510             ms->loadparm[i] = c;
 511         } else {
 512             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 513                        c, c);
 514             return;
 515         }
 516     }
 517
 518     for (; i < sizeof(ms->loadparm); i++) {
 519         ms->loadparm[i] = ' '; /* pad right with spaces */
 520     }
 521 }
 522 static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
 523 {
 524     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 525
 526     return ms->s390_squash_mcss;
 527 }
 528
 529 static inline void machine_set_squash_mcss(Object *obj, bool value,
 530                                            Error **errp)
 531 {
 532     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 533
 534     ms->s390_squash_mcss = value;
 535 }
 536
 537 static inline void s390_machine_initfn(Object *obj)
 538 {
 539     object_property_add_bool(obj, "aes-key-wrap",
 540                              machine_get_aes_key_wrap,
 541                              machine_set_aes_key_wrap, NULL);
 542     object_property_set_description(obj, "aes-key-wrap",
 543             "enable/disable AES key wrapping using the CPACF wrapping key",
 544             NULL);
 545     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 546
 547     object_property_add_bool(obj, "dea-key-wrap",
 548                              machine_get_dea_key_wrap,
 549                              machine_set_dea_key_wrap, NULL);
 550     object_property_set_description(obj, "dea-key-wrap",
 551             "enable/disable DEA key wrapping using the CPACF wrapping key",
 552             NULL);
 553     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 554     object_property_add_str(obj, "loadparm",
 555             machine_get_loadparm, machine_set_loadparm, NULL);
 556     object_property_set_description(obj, "loadparm",
 557             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 558             " to upper case) to pass to machine loader, boot manager,"
 559             " and guest kernel",
 560             NULL);
 561     object_property_add_bool(obj, "s390-squash-mcss",
 562                              machine_get_squash_mcss,
 563                              machine_set_squash_mcss, NULL);
 564     object_property_set_description(obj, "s390-squash-mcss",
 565             "enable/disable squashing subchannels into the default css",
 566             NULL);
 567     object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
 568 }
 569
 570 static const TypeInfo ccw_machine_info = {
 571     .name          = TYPE_S390_CCW_MACHINE,
 572     .parent        = TYPE_MACHINE,
 573     .abstract      = true,
 574     .instance_size = sizeof(S390CcwMachineState),
 575     .instance_init = s390_machine_initfn,
 576     .class_size = sizeof(S390CcwMachineClass),
 577     .class_init    = ccw_machine_class_init,
 578     .interfaces = (InterfaceInfo[]) {
 579         { TYPE_NMI },
 580         { TYPE_HOTPLUG_HANDLER},
 581         { }
 582     },
 583 };
 584
 585 bool css_migration_enabled(void)
 586 {
 587     return get_machine_class()->css_migration_enabled;
 588 }
 589
 590 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 591     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 592                                                   void *data)                 \
 593     {                                                                         \
 594         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 595         ccw_machine_##suffix##_class_options(mc);                             \
 596         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 597         if (latest) {                                                         \
 598             mc->alias = "s390-ccw-virtio";                                    \
 599             mc->is_default = 1;                                               \
 600         }                                                                     \
 601     }                                                                         \
 602     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 603     {                                                                         \
 604         MachineState *machine = MACHINE(obj);                                 \
 605         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 606         ccw_machine_##suffix##_instance_options(machine);                     \
 607     }                                                                         \
 608     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 609         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 610         .parent = TYPE_S390_CCW_MACHINE,                                      \
 611         .class_init = ccw_machine_##suffix##_class_init,                      \
 612         .instance_init = ccw_machine_##suffix##_instance_init,                \
 613     };                                                                        \
 614     static void ccw_machine_register_##suffix(void)                           \
 615     {                                                                         \
 616         type_register_static(&ccw_machine_##suffix##_info);                   \
 617     }                                                                         \
 618     type_init(ccw_machine_register_##suffix)
 619
 620 #define CCW_COMPAT_2_10 \
 621         HW_COMPAT_2_10
 622
 623 #define CCW_COMPAT_2_9 \
 624         HW_COMPAT_2_9 \
 625         {\
 626             .driver   = TYPE_S390_STATTRIB,\
 627             .property = "migration-enabled",\
 628             .value    = "off",\
 629         },
 630
 631 #define CCW_COMPAT_2_8 \
 632         HW_COMPAT_2_8 \
 633         {\
 634             .driver   = TYPE_S390_FLIC_COMMON,\
 635             .property = "adapter_routes_max_batch",\
 636             .value    = "64",\
 637         },
 638
 639 #define CCW_COMPAT_2_7 \
 640         HW_COMPAT_2_7
 641
 642 #define CCW_COMPAT_2_6 \
 643         HW_COMPAT_2_6 \
 644         {\
 645             .driver   = TYPE_S390_IPL,\
 646             .property = "iplbext_migration",\
 647             .value    = "off",\
 648         }, {\
 649             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
 650             .property = "css_dev_path",\
 651             .value    = "off",\
 652         },
 653
 654 #define CCW_COMPAT_2_5 \
 655         HW_COMPAT_2_5
 656
 657 #define CCW_COMPAT_2_4 \
 658         HW_COMPAT_2_4 \
 659         {\
 660             .driver   = TYPE_S390_SKEYS,\
 661             .property = "migration-enabled",\
 662             .value    = "off",\
 663         },{\
 664             .driver   = "virtio-blk-ccw",\
 665             .property = "max_revision",\
 666             .value    = "0",\
 667         },{\
 668             .driver   = "virtio-balloon-ccw",\
 669             .property = "max_revision",\
 670             .value    = "0",\
 671         },{\
 672             .driver   = "virtio-serial-ccw",\
 673             .property = "max_revision",\
 674             .value    = "0",\
 675         },{\
 676             .driver   = "virtio-9p-ccw",\
 677             .property = "max_revision",\
 678             .value    = "0",\
 679         },{\
 680             .driver   = "virtio-rng-ccw",\
 681             .property = "max_revision",\
 682             .value    = "0",\
 683         },{\
 684             .driver   = "virtio-net-ccw",\
 685             .property = "max_revision",\
 686             .value    = "0",\
 687         },{\
 688             .driver   = "virtio-scsi-ccw",\
 689             .property = "max_revision",\
 690             .value    = "0",\
 691         },{\
 692             .driver   = "vhost-scsi-ccw",\
 693             .property = "max_revision",\
 694             .value    = "0",\
 695         },
 696
 697 static void ccw_machine_2_11_instance_options(MachineState *machine)
 698 {
 699 }
 700
 701 static void ccw_machine_2_11_class_options(MachineClass *mc)
 702 {
 703 }
 704 DEFINE_CCW_MACHINE(2_11, "2.11", true);
 705
 706 static void ccw_machine_2_10_instance_options(MachineState *machine)
 707 {
 708     ccw_machine_2_11_instance_options(machine);
 709     if (css_migration_enabled()) {
 710         css_register_vmstate();
 711     }
 712 }
 713
 714 static void ccw_machine_2_10_class_options(MachineClass *mc)
 715 {
 716     ccw_machine_2_11_class_options(mc);
 717     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
 718 }
 719 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 720
 721 static void ccw_machine_2_9_instance_options(MachineState *machine)
 722 {
 723     ccw_machine_2_10_instance_options(machine);
 724     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 725     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 726     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 727     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 728     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 729 }
 730
 731 static void ccw_machine_2_9_class_options(MachineClass *mc)
 732 {
 733     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 734
 735     s390mc->gs_allowed = false;
 736     ccw_machine_2_10_class_options(mc);
 737     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
 738     s390mc->css_migration_enabled = false;
 739 }
 740 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 741
 742 static void ccw_machine_2_8_instance_options(MachineState *machine)
 743 {
 744     ccw_machine_2_9_instance_options(machine);
 745 }
 746
 747 static void ccw_machine_2_8_class_options(MachineClass *mc)
 748 {
 749     ccw_machine_2_9_class_options(mc);
 750     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
 751 }
 752 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 753
 754 static void ccw_machine_2_7_instance_options(MachineState *machine)
 755 {
 756     ccw_machine_2_8_instance_options(machine);
 757 }
 758
 759 static void ccw_machine_2_7_class_options(MachineClass *mc)
 760 {
 761     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 762
 763     s390mc->cpu_model_allowed = false;
 764     ccw_machine_2_8_class_options(mc);
 765     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
 766 }
 767 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 768
 769 static void ccw_machine_2_6_instance_options(MachineState *machine)
 770 {
 771     ccw_machine_2_7_instance_options(machine);
 772 }
 773
 774 static void ccw_machine_2_6_class_options(MachineClass *mc)
 775 {
 776     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 777
 778     s390mc->ri_allowed = false;
 779     ccw_machine_2_7_class_options(mc);
 780     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
 781 }
 782 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 783
 784 static void ccw_machine_2_5_instance_options(MachineState *machine)
 785 {
 786     ccw_machine_2_6_instance_options(machine);
 787 }
 788
 789 static void ccw_machine_2_5_class_options(MachineClass *mc)
 790 {
 791     ccw_machine_2_6_class_options(mc);
 792     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
 793 }
 794 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 795
 796 static void ccw_machine_2_4_instance_options(MachineState *machine)
 797 {
 798     ccw_machine_2_5_instance_options(machine);
 799 }
 800
 801 static void ccw_machine_2_4_class_options(MachineClass *mc)
 802 {
 803     ccw_machine_2_5_class_options(mc);
 804     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
 805 }
 806 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 807
 808 static void ccw_machine_register_types(void)
 809 {
 810     type_register_static(&ccw_machine_info);
 811 }
 812
 813 type_init(ccw_machine_register_types)