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 (tcg_enabled() && max_cpus > 1) {
  61         error_report("Number of SMP CPUs requested (%d) exceeds max CPUs "
  62                      "supported by TCG (1) on s390x", max_cpus);
  63         exit(1);
  64     }
  65
  66     /* initialize possible_cpus */
  67     mc->possible_cpu_arch_ids(machine);
  68
  69     for (i = 0; i < smp_cpus; i++) {
  70         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
  71     }
  72 }
  73
  74 static const char *const reset_dev_types[] = {
  75     TYPE_VIRTUAL_CSS_BRIDGE,
  76     "s390-sclp-event-facility",
  77     "s390-flic",
  78     "diag288",
  79 };
  80
  81 void subsystem_reset(void)
  82 {
  83     DeviceState *dev;
  84     int i;
  85
  86     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
  87         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
  88         if (dev) {
  89             qdev_reset_all(dev);
  90         }
  91     }
  92 }
  93
  94 static int virtio_ccw_hcall_notify(const uint64_t *args)
  95 {
  96     uint64_t subch_id = args[0];
  97     uint64_t queue = args[1];
  98     SubchDev *sch;
  99     int cssid, ssid, schid, m;
 100
 101     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 102         return -EINVAL;
 103     }
 104     sch = css_find_subch(m, cssid, ssid, schid);
 105     if (!sch || !css_subch_visible(sch)) {
 106         return -EINVAL;
 107     }
 108     if (queue >= VIRTIO_QUEUE_MAX) {
 109         return -EINVAL;
 110     }
 111     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 112     return 0;
 113
 114 }
 115
 116 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 117 {
 118     uint64_t mem = args[0];
 119
 120     if (mem < ram_size) {
 121         /* Early printk */
 122         return 0;
 123     }
 124     return -EINVAL;
 125 }
 126
 127 static void virtio_ccw_register_hcalls(void)
 128 {
 129     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 130                                    virtio_ccw_hcall_notify);
 131     /* Tolerate early printk. */
 132     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 133                                    virtio_ccw_hcall_early_printk);
 134 }
 135
 136 static void s390_memory_init(ram_addr_t mem_size)
 137 {
 138     MemoryRegion *sysmem = get_system_memory();
 139     MemoryRegion *ram = g_new(MemoryRegion, 1);
 140
 141     /* allocate RAM for core */
 142     memory_region_allocate_system_memory(ram, NULL, "s390.ram", mem_size);
 143     memory_region_add_subregion(sysmem, 0, ram);
 144
 145     /* Initialize storage key device */
 146     s390_skeys_init();
 147     /* Initialize storage attributes device */
 148     s390_stattrib_init();
 149 }
 150
 151 #define S390_TOD_CLOCK_VALUE_MISSING    0x00
 152 #define S390_TOD_CLOCK_VALUE_PRESENT    0x01
 153
 154 static void gtod_save(QEMUFile *f, void *opaque)
 155 {
 156     uint64_t tod_low;
 157     uint8_t tod_high;
 158     int r;
 159
 160     r = s390_get_clock(&tod_high, &tod_low);
 161     if (r) {
 162         warn_report("Unable to get guest clock for migration: %s",
 163                     strerror(-r));
 164         error_printf("Guest clock will not be migrated "
 165                      "which could cause the guest to hang.");
 166         qemu_put_byte(f, S390_TOD_CLOCK_VALUE_MISSING);
 167         return;
 168     }
 169
 170     qemu_put_byte(f, S390_TOD_CLOCK_VALUE_PRESENT);
 171     qemu_put_byte(f, tod_high);
 172     qemu_put_be64(f, tod_low);
 173 }
 174
 175 static int gtod_load(QEMUFile *f, void *opaque, int version_id)
 176 {
 177     uint64_t tod_low;
 178     uint8_t tod_high;
 179     int r;
 180
 181     if (qemu_get_byte(f) == S390_TOD_CLOCK_VALUE_MISSING) {
 182         warn_report("Guest clock was not migrated. This could "
 183                     "cause the guest to hang.");
 184         return 0;
 185     }
 186
 187     tod_high = qemu_get_byte(f);
 188     tod_low = qemu_get_be64(f);
 189
 190     r = s390_set_clock(&tod_high, &tod_low);
 191     if (r) {
 192         warn_report("Unable to set guest clock for migration: %s",
 193                     strerror(-r));
 194         error_printf("Guest clock will not be restored "
 195                      "which could cause the guest to hang.");
 196     }
 197
 198     return 0;
 199 }
 200
 201 static SaveVMHandlers savevm_gtod = {
 202     .save_state = gtod_save,
 203     .load_state = gtod_load,
 204 };
 205
 206 static void s390_init_ipl_dev(const char *kernel_filename,
 207                               const char *kernel_cmdline,
 208                               const char *initrd_filename, const char *firmware,
 209                               const char *netboot_fw, bool enforce_bios)
 210 {
 211     Object *new = object_new(TYPE_S390_IPL);
 212     DeviceState *dev = DEVICE(new);
 213
 214     if (kernel_filename) {
 215         qdev_prop_set_string(dev, "kernel", kernel_filename);
 216     }
 217     if (initrd_filename) {
 218         qdev_prop_set_string(dev, "initrd", initrd_filename);
 219     }
 220     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 221     qdev_prop_set_string(dev, "firmware", firmware);
 222     qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 223     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 224     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 225                               new, NULL);
 226     object_unref(new);
 227     qdev_init_nofail(dev);
 228 }
 229
 230 static void s390_create_virtio_net(BusState *bus, const char *name)
 231 {
 232     int i;
 233
 234     for (i = 0; i < nb_nics; i++) {
 235         NICInfo *nd = &nd_table[i];
 236         DeviceState *dev;
 237
 238         if (!nd->model) {
 239             nd->model = g_strdup("virtio");
 240         }
 241
 242         qemu_check_nic_model(nd, "virtio");
 243
 244         dev = qdev_create(bus, name);
 245         qdev_set_nic_properties(dev, nd);
 246         qdev_init_nofail(dev);
 247     }
 248 }
 249
 250 static void ccw_init(MachineState *machine)
 251 {
 252     int ret;
 253     VirtualCssBus *css_bus;
 254     DeviceState *dev;
 255
 256     s390_sclp_init();
 257     s390_memory_init(machine->ram_size);
 258
 259     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 260     s390_init_cpus(machine);
 261
 262     s390_flic_init();
 263
 264     /* get a BUS */
 265     css_bus = virtual_css_bus_init();
 266     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 267                       machine->initrd_filename, "s390-ccw.img",
 268                       "s390-netboot.img", true);
 269
 270     /*
 271      * We cannot easily make the pci host bridge conditional as older QEMUs
 272      * always created it. Doing so would break migration across QEMU versions.
 273      */
 274     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 275     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 276                               OBJECT(dev), NULL);
 277     qdev_init_nofail(dev);
 278
 279     /* register hypercalls */
 280     virtio_ccw_register_hcalls();
 281
 282     s390_enable_css_support(s390_cpu_addr2state(0));
 283     /*
 284      * Non mcss-e enabled guests only see the devices from the default
 285      * css, which is determined by the value of the squash_mcss property.
 286      * Note: we must not squash non virtual devices to css 0xFE.
 287      */
 288     if (css_bus->squash_mcss) {
 289         ret = css_create_css_image(0, true);
 290     } else {
 291         ret = css_create_css_image(VIRTUAL_CSSID, true);
 292     }
 293     assert(ret == 0);
 294
 295     /* Create VirtIO network adapters */
 296     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 297
 298     /* Register savevm handler for guest TOD clock */
 299     register_savevm_live(NULL, "todclock", 0, 1, &savevm_gtod, NULL);
 300 }
 301
 302 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 303                         DeviceState *dev, Error **errp)
 304 {
 305     MachineState *ms = MACHINE(hotplug_dev);
 306     S390CPU *cpu = S390_CPU(dev);
 307
 308     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 309     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 310 }
 311
 312 static void s390_machine_reset(void)
 313 {
 314     S390CPU *ipl_cpu = S390_CPU(qemu_get_cpu(0));
 315
 316     s390_cmma_reset();
 317     qemu_devices_reset();
 318     s390_crypto_reset();
 319
 320     /* all cpus are stopped - configure and start the ipl cpu only */
 321     s390_ipl_prepare_cpu(ipl_cpu);
 322     s390_cpu_set_state(CPU_STATE_OPERATING, ipl_cpu);
 323 }
 324
 325 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 326                                      DeviceState *dev, Error **errp)
 327 {
 328     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 329         s390_cpu_plug(hotplug_dev, dev, errp);
 330     }
 331 }
 332
 333 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 334                                                DeviceState *dev, Error **errp)
 335 {
 336     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 337         error_setg(errp, "CPU hot unplug not supported on this machine");
 338         return;
 339     }
 340 }
 341
 342 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *machine,
 343                                                      unsigned cpu_index)
 344 {
 345     g_assert(machine->possible_cpus && cpu_index < machine->possible_cpus->len);
 346
 347     return machine->possible_cpus->cpus[cpu_index].props;
 348 }
 349
 350 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 351 {
 352     int i;
 353
 354     if (ms->possible_cpus) {
 355         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 356         return ms->possible_cpus;
 357     }
 358
 359     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 360                                   sizeof(CPUArchId) * max_cpus);
 361     ms->possible_cpus->len = max_cpus;
 362     for (i = 0; i < ms->possible_cpus->len; i++) {
 363         ms->possible_cpus->cpus[i].vcpus_count = 1;
 364         ms->possible_cpus->cpus[i].arch_id = i;
 365         ms->possible_cpus->cpus[i].props.has_core_id = true;
 366         ms->possible_cpus->cpus[i].props.core_id = i;
 367     }
 368
 369     return ms->possible_cpus;
 370 }
 371
 372 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 373                                                 DeviceState *dev)
 374 {
 375     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 376         return HOTPLUG_HANDLER(machine);
 377     }
 378     return NULL;
 379 }
 380
 381 static void s390_hot_add_cpu(const int64_t id, Error **errp)
 382 {
 383     MachineState *machine = MACHINE(qdev_get_machine());
 384     ObjectClass *oc;
 385
 386     g_assert(machine->possible_cpus->cpus[0].cpu);
 387     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 388
 389     s390x_new_cpu(object_class_get_name(oc), id, errp);
 390 }
 391
 392 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 393 {
 394     CPUState *cs = qemu_get_cpu(cpu_index);
 395
 396     if (s390_cpu_restart(S390_CPU(cs))) {
 397         error_setg(errp, QERR_UNSUPPORTED);
 398     }
 399 }
 400
 401 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 402 {
 403     MachineClass *mc = MACHINE_CLASS(oc);
 404     NMIClass *nc = NMI_CLASS(oc);
 405     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 406     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 407
 408     s390mc->ri_allowed = true;
 409     s390mc->cpu_model_allowed = true;
 410     s390mc->css_migration_enabled = true;
 411     s390mc->gs_allowed = true;
 412     mc->init = ccw_init;
 413     mc->reset = s390_machine_reset;
 414     mc->hot_add_cpu = s390_hot_add_cpu;
 415     mc->block_default_type = IF_VIRTIO;
 416     mc->no_cdrom = 1;
 417     mc->no_floppy = 1;
 418     mc->no_serial = 1;
 419     mc->no_parallel = 1;
 420     mc->no_sdcard = 1;
 421     mc->use_sclp = 1;
 422     mc->max_cpus = 248;
 423     mc->has_hotpluggable_cpus = true;
 424     mc->get_hotplug_handler = s390_get_hotplug_handler;
 425     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 426     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 427     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 428     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 429     hc->plug = s390_machine_device_plug;
 430     hc->unplug_request = s390_machine_device_unplug_request;
 431     nc->nmi_monitor_handler = s390_nmi;
 432 }
 433
 434 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 435 {
 436     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 437
 438     return ms->aes_key_wrap;
 439 }
 440
 441 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 442                                             Error **errp)
 443 {
 444     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 445
 446     ms->aes_key_wrap = value;
 447 }
 448
 449 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 450 {
 451     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 452
 453     return ms->dea_key_wrap;
 454 }
 455
 456 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 457                                             Error **errp)
 458 {
 459     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 460
 461     ms->dea_key_wrap = value;
 462 }
 463
 464 static S390CcwMachineClass *current_mc;
 465
 466 static S390CcwMachineClass *get_machine_class(void)
 467 {
 468     if (unlikely(!current_mc)) {
 469         /*
 470         * No s390 ccw machine was instantiated, we are likely to
 471         * be called for the 'none' machine. The properties will
 472         * have their after-initialization values.
 473         */
 474         current_mc = S390_MACHINE_CLASS(
 475                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 476     }
 477     return current_mc;
 478 }
 479
 480 bool ri_allowed(void)
 481 {
 482     /* for "none" machine this results in true */
 483     return get_machine_class()->ri_allowed;
 484 }
 485
 486 bool cpu_model_allowed(void)
 487 {
 488     /* for "none" machine this results in true */
 489     return get_machine_class()->cpu_model_allowed;
 490 }
 491
 492 bool gs_allowed(void)
 493 {
 494     /* for "none" machine this results in true */
 495     return get_machine_class()->gs_allowed;
 496 }
 497
 498 static char *machine_get_loadparm(Object *obj, Error **errp)
 499 {
 500     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 501
 502     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 503 }
 504
 505 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 506 {
 507     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 508     int i;
 509
 510     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 511         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 512
 513         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 514             (c == ' ')) {
 515             ms->loadparm[i] = c;
 516         } else {
 517             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 518                        c, c);
 519             return;
 520         }
 521     }
 522
 523     for (; i < sizeof(ms->loadparm); i++) {
 524         ms->loadparm[i] = ' '; /* pad right with spaces */
 525     }
 526 }
 527 static inline bool machine_get_squash_mcss(Object *obj, Error **errp)
 528 {
 529     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 530
 531     return ms->s390_squash_mcss;
 532 }
 533
 534 static inline void machine_set_squash_mcss(Object *obj, bool value,
 535                                            Error **errp)
 536 {
 537     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 538
 539     ms->s390_squash_mcss = value;
 540 }
 541
 542 static inline void s390_machine_initfn(Object *obj)
 543 {
 544     object_property_add_bool(obj, "aes-key-wrap",
 545                              machine_get_aes_key_wrap,
 546                              machine_set_aes_key_wrap, NULL);
 547     object_property_set_description(obj, "aes-key-wrap",
 548             "enable/disable AES key wrapping using the CPACF wrapping key",
 549             NULL);
 550     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 551
 552     object_property_add_bool(obj, "dea-key-wrap",
 553                              machine_get_dea_key_wrap,
 554                              machine_set_dea_key_wrap, NULL);
 555     object_property_set_description(obj, "dea-key-wrap",
 556             "enable/disable DEA key wrapping using the CPACF wrapping key",
 557             NULL);
 558     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 559     object_property_add_str(obj, "loadparm",
 560             machine_get_loadparm, machine_set_loadparm, NULL);
 561     object_property_set_description(obj, "loadparm",
 562             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 563             " to upper case) to pass to machine loader, boot manager,"
 564             " and guest kernel",
 565             NULL);
 566     object_property_add_bool(obj, "s390-squash-mcss",
 567                              machine_get_squash_mcss,
 568                              machine_set_squash_mcss, NULL);
 569     object_property_set_description(obj, "s390-squash-mcss",
 570             "enable/disable squashing subchannels into the default css",
 571             NULL);
 572     object_property_set_bool(obj, false, "s390-squash-mcss", NULL);
 573 }
 574
 575 static const TypeInfo ccw_machine_info = {
 576     .name          = TYPE_S390_CCW_MACHINE,
 577     .parent        = TYPE_MACHINE,
 578     .abstract      = true,
 579     .instance_size = sizeof(S390CcwMachineState),
 580     .instance_init = s390_machine_initfn,
 581     .class_size = sizeof(S390CcwMachineClass),
 582     .class_init    = ccw_machine_class_init,
 583     .interfaces = (InterfaceInfo[]) {
 584         { TYPE_NMI },
 585         { TYPE_HOTPLUG_HANDLER},
 586         { }
 587     },
 588 };
 589
 590 bool css_migration_enabled(void)
 591 {
 592     return get_machine_class()->css_migration_enabled;
 593 }
 594
 595 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 596     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 597                                                   void *data)                 \
 598     {                                                                         \
 599         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 600         ccw_machine_##suffix##_class_options(mc);                             \
 601         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 602         if (latest) {                                                         \
 603             mc->alias = "s390-ccw-virtio";                                    \
 604             mc->is_default = 1;                                               \
 605         }                                                                     \
 606     }                                                                         \
 607     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 608     {                                                                         \
 609         MachineState *machine = MACHINE(obj);                                 \
 610         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 611         ccw_machine_##suffix##_instance_options(machine);                     \
 612     }                                                                         \
 613     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 614         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 615         .parent = TYPE_S390_CCW_MACHINE,                                      \
 616         .class_init = ccw_machine_##suffix##_class_init,                      \
 617         .instance_init = ccw_machine_##suffix##_instance_init,                \
 618     };                                                                        \
 619     static void ccw_machine_register_##suffix(void)                           \
 620     {                                                                         \
 621         type_register_static(&ccw_machine_##suffix##_info);                   \
 622     }                                                                         \
 623     type_init(ccw_machine_register_##suffix)
 624
 625 #define CCW_COMPAT_2_10 \
 626         HW_COMPAT_2_10
 627
 628 #define CCW_COMPAT_2_9 \
 629         HW_COMPAT_2_9 \
 630         {\
 631             .driver   = TYPE_S390_STATTRIB,\
 632             .property = "migration-enabled",\
 633             .value    = "off",\
 634         },
 635
 636 #define CCW_COMPAT_2_8 \
 637         HW_COMPAT_2_8 \
 638         {\
 639             .driver   = TYPE_S390_FLIC_COMMON,\
 640             .property = "adapter_routes_max_batch",\
 641             .value    = "64",\
 642         },
 643
 644 #define CCW_COMPAT_2_7 \
 645         HW_COMPAT_2_7
 646
 647 #define CCW_COMPAT_2_6 \
 648         HW_COMPAT_2_6 \
 649         {\
 650             .driver   = TYPE_S390_IPL,\
 651             .property = "iplbext_migration",\
 652             .value    = "off",\
 653         }, {\
 654             .driver   = TYPE_VIRTUAL_CSS_BRIDGE,\
 655             .property = "css_dev_path",\
 656             .value    = "off",\
 657         },
 658
 659 #define CCW_COMPAT_2_5 \
 660         HW_COMPAT_2_5
 661
 662 #define CCW_COMPAT_2_4 \
 663         HW_COMPAT_2_4 \
 664         {\
 665             .driver   = TYPE_S390_SKEYS,\
 666             .property = "migration-enabled",\
 667             .value    = "off",\
 668         },{\
 669             .driver   = "virtio-blk-ccw",\
 670             .property = "max_revision",\
 671             .value    = "0",\
 672         },{\
 673             .driver   = "virtio-balloon-ccw",\
 674             .property = "max_revision",\
 675             .value    = "0",\
 676         },{\
 677             .driver   = "virtio-serial-ccw",\
 678             .property = "max_revision",\
 679             .value    = "0",\
 680         },{\
 681             .driver   = "virtio-9p-ccw",\
 682             .property = "max_revision",\
 683             .value    = "0",\
 684         },{\
 685             .driver   = "virtio-rng-ccw",\
 686             .property = "max_revision",\
 687             .value    = "0",\
 688         },{\
 689             .driver   = "virtio-net-ccw",\
 690             .property = "max_revision",\
 691             .value    = "0",\
 692         },{\
 693             .driver   = "virtio-scsi-ccw",\
 694             .property = "max_revision",\
 695             .value    = "0",\
 696         },{\
 697             .driver   = "vhost-scsi-ccw",\
 698             .property = "max_revision",\
 699             .value    = "0",\
 700         },
 701
 702 static void ccw_machine_2_11_instance_options(MachineState *machine)
 703 {
 704 }
 705
 706 static void ccw_machine_2_11_class_options(MachineClass *mc)
 707 {
 708 }
 709 DEFINE_CCW_MACHINE(2_11, "2.11", true);
 710
 711 static void ccw_machine_2_10_instance_options(MachineState *machine)
 712 {
 713     ccw_machine_2_11_instance_options(machine);
 714     if (css_migration_enabled()) {
 715         css_register_vmstate();
 716     }
 717 }
 718
 719 static void ccw_machine_2_10_class_options(MachineClass *mc)
 720 {
 721     ccw_machine_2_11_class_options(mc);
 722     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10);
 723 }
 724 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 725
 726 static void ccw_machine_2_9_instance_options(MachineState *machine)
 727 {
 728     ccw_machine_2_10_instance_options(machine);
 729     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 730     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 731     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 732     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 733     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 734 }
 735
 736 static void ccw_machine_2_9_class_options(MachineClass *mc)
 737 {
 738     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 739
 740     s390mc->gs_allowed = false;
 741     ccw_machine_2_10_class_options(mc);
 742     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9);
 743     s390mc->css_migration_enabled = false;
 744 }
 745 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 746
 747 static void ccw_machine_2_8_instance_options(MachineState *machine)
 748 {
 749     ccw_machine_2_9_instance_options(machine);
 750 }
 751
 752 static void ccw_machine_2_8_class_options(MachineClass *mc)
 753 {
 754     ccw_machine_2_9_class_options(mc);
 755     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8);
 756 }
 757 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 758
 759 static void ccw_machine_2_7_instance_options(MachineState *machine)
 760 {
 761     ccw_machine_2_8_instance_options(machine);
 762 }
 763
 764 static void ccw_machine_2_7_class_options(MachineClass *mc)
 765 {
 766     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 767
 768     s390mc->cpu_model_allowed = false;
 769     ccw_machine_2_8_class_options(mc);
 770     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7);
 771 }
 772 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 773
 774 static void ccw_machine_2_6_instance_options(MachineState *machine)
 775 {
 776     ccw_machine_2_7_instance_options(machine);
 777 }
 778
 779 static void ccw_machine_2_6_class_options(MachineClass *mc)
 780 {
 781     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 782
 783     s390mc->ri_allowed = false;
 784     ccw_machine_2_7_class_options(mc);
 785     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6);
 786 }
 787 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 788
 789 static void ccw_machine_2_5_instance_options(MachineState *machine)
 790 {
 791     ccw_machine_2_6_instance_options(machine);
 792 }
 793
 794 static void ccw_machine_2_5_class_options(MachineClass *mc)
 795 {
 796     ccw_machine_2_6_class_options(mc);
 797     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5);
 798 }
 799 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 800
 801 static void ccw_machine_2_4_instance_options(MachineState *machine)
 802 {
 803     ccw_machine_2_5_instance_options(machine);
 804 }
 805
 806 static void ccw_machine_2_4_class_options(MachineClass *mc)
 807 {
 808     ccw_machine_2_5_class_options(mc);
 809     SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4);
 810 }
 811 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 812
 813 static void ccw_machine_register_types(void)
 814 {
 815     type_register_static(&ccw_machine_info);
 816 }
 817
 818 type_init(ccw_machine_register_types)