hw/s390x/s390-virtio-ccw.c

   1 /*
   2  * virtio ccw machine
   3  *
   4  * Copyright 2012 IBM Corp.
   5  * Copyright (c) 2009 Alexander Graf <agraf@suse.de>
   6  * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
   7  *
   8  * This work is licensed under the terms of the GNU GPL, version 2 or (at
   9  * your option) any later version. See the COPYING file in the top-level
  10  * directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "qapi/error.h"
  15 #include "cpu.h"
  16 #include "hw/boards.h"
  17 #include "exec/address-spaces.h"
  18 #include "exec/ram_addr.h"
  19 #include "hw/s390x/s390-virtio-hcall.h"
  20 #include "hw/s390x/sclp.h"
  21 #include "hw/s390x/s390_flic.h"
  22 #include "hw/s390x/ioinst.h"
  23 #include "hw/s390x/css.h"
  24 #include "virtio-ccw.h"
  25 #include "qemu/config-file.h"
  26 #include "qemu/ctype.h"
  27 #include "qemu/error-report.h"
  28 #include "qemu/option.h"
  29 #include "s390-pci-bus.h"
  30 #include "sysemu/reset.h"
  31 #include "hw/s390x/storage-keys.h"
  32 #include "hw/s390x/storage-attributes.h"
  33 #include "hw/s390x/event-facility.h"
  34 #include "ipl.h"
  35 #include "hw/s390x/s390-virtio-ccw.h"
  36 #include "hw/s390x/css-bridge.h"
  37 #include "hw/s390x/ap-bridge.h"
  38 #include "migration/register.h"
  39 #include "cpu_models.h"
  40 #include "hw/nmi.h"
  41 #include "hw/qdev-properties.h"
  42 #include "hw/s390x/tod.h"
  43 #include "sysemu/sysemu.h"
  44
  45 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr)
  46 {
  47     static MachineState *ms;
  48
  49     if (!ms) {
  50         ms = MACHINE(qdev_get_machine());
  51         g_assert(ms->possible_cpus);
  52     }
  53
  54     /* CPU address corresponds to the core_id and the index */
  55     if (cpu_addr >= ms->possible_cpus->len) {
  56         return NULL;
  57     }
  58     return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu);
  59 }
  60
  61 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id,
  62                               Error **errp)
  63 {
  64     S390CPU *cpu = S390_CPU(object_new(typename));
  65     Error *err = NULL;
  66
  67     object_property_set_int(OBJECT(cpu), core_id, "core-id", &err);
  68     if (err != NULL) {
  69         goto out;
  70     }
  71     object_property_set_bool(OBJECT(cpu), true, "realized", &err);
  72
  73 out:
  74     object_unref(OBJECT(cpu));
  75     if (err) {
  76         error_propagate(errp, err);
  77         cpu = NULL;
  78     }
  79     return cpu;
  80 }
  81
  82 static void s390_init_cpus(MachineState *machine)
  83 {
  84     MachineClass *mc = MACHINE_GET_CLASS(machine);
  85     int i;
  86
  87     /* initialize possible_cpus */
  88     mc->possible_cpu_arch_ids(machine);
  89
  90     for (i = 0; i < machine->smp.cpus; i++) {
  91         s390x_new_cpu(machine->cpu_type, i, &error_fatal);
  92     }
  93 }
  94
  95 static const char *const reset_dev_types[] = {
  96     TYPE_VIRTUAL_CSS_BRIDGE,
  97     "s390-sclp-event-facility",
  98     "s390-flic",
  99     "diag288",
 100 };
 101
 102 static void subsystem_reset(void)
 103 {
 104     DeviceState *dev;
 105     int i;
 106
 107     for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) {
 108         dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL));
 109         if (dev) {
 110             qdev_reset_all(dev);
 111         }
 112     }
 113 }
 114
 115 static int virtio_ccw_hcall_notify(const uint64_t *args)
 116 {
 117     uint64_t subch_id = args[0];
 118     uint64_t queue = args[1];
 119     SubchDev *sch;
 120     int cssid, ssid, schid, m;
 121
 122     if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) {
 123         return -EINVAL;
 124     }
 125     sch = css_find_subch(m, cssid, ssid, schid);
 126     if (!sch || !css_subch_visible(sch)) {
 127         return -EINVAL;
 128     }
 129     if (queue >= VIRTIO_QUEUE_MAX) {
 130         return -EINVAL;
 131     }
 132     virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
 133     return 0;
 134
 135 }
 136
 137 static int virtio_ccw_hcall_early_printk(const uint64_t *args)
 138 {
 139     uint64_t mem = args[0];
 140
 141     if (mem < ram_size) {
 142         /* Early printk */
 143         return 0;
 144     }
 145     return -EINVAL;
 146 }
 147
 148 static void virtio_ccw_register_hcalls(void)
 149 {
 150     s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY,
 151                                    virtio_ccw_hcall_notify);
 152     /* Tolerate early printk. */
 153     s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY,
 154                                    virtio_ccw_hcall_early_printk);
 155 }
 156
 157 static void s390_memory_init(MemoryRegion *ram)
 158 {
 159     MemoryRegion *sysmem = get_system_memory();
 160     Error *local_err = NULL;
 161
 162     /* allocate RAM for core */
 163     memory_region_add_subregion(sysmem, 0, ram);
 164
 165     /*
 166      * Configure the maximum page size. As no memory devices were created
 167      * yet, this is the page size of initial memory only.
 168      */
 169     s390_set_max_pagesize(qemu_maxrampagesize(), &local_err);
 170     if (local_err) {
 171         error_report_err(local_err);
 172         exit(EXIT_FAILURE);
 173     }
 174     /* Initialize storage key device */
 175     s390_skeys_init();
 176     /* Initialize storage attributes device */
 177     s390_stattrib_init();
 178 }
 179
 180 static void s390_init_ipl_dev(const char *kernel_filename,
 181                               const char *kernel_cmdline,
 182                               const char *initrd_filename, const char *firmware,
 183                               const char *netboot_fw, bool enforce_bios)
 184 {
 185     Object *new = object_new(TYPE_S390_IPL);
 186     DeviceState *dev = DEVICE(new);
 187     char *netboot_fw_prop;
 188
 189     if (kernel_filename) {
 190         qdev_prop_set_string(dev, "kernel", kernel_filename);
 191     }
 192     if (initrd_filename) {
 193         qdev_prop_set_string(dev, "initrd", initrd_filename);
 194     }
 195     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 196     qdev_prop_set_string(dev, "firmware", firmware);
 197     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 198     netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
 199     if (!strlen(netboot_fw_prop)) {
 200         qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 201     }
 202     g_free(netboot_fw_prop);
 203     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 204                               new, NULL);
 205     object_unref(new);
 206     qdev_init_nofail(dev);
 207 }
 208
 209 static void s390_create_virtio_net(BusState *bus, const char *name)
 210 {
 211     int i;
 212
 213     for (i = 0; i < nb_nics; i++) {
 214         NICInfo *nd = &nd_table[i];
 215         DeviceState *dev;
 216
 217         if (!nd->model) {
 218             nd->model = g_strdup("virtio");
 219         }
 220
 221         qemu_check_nic_model(nd, "virtio");
 222
 223         dev = qdev_create(bus, name);
 224         qdev_set_nic_properties(dev, nd);
 225         qdev_init_nofail(dev);
 226     }
 227 }
 228
 229 static void s390_create_sclpconsole(const char *type, Chardev *chardev)
 230 {
 231     DeviceState *dev;
 232
 233     dev = qdev_create(sclp_get_event_facility_bus(), type);
 234     qdev_prop_set_chr(dev, "chardev", chardev);
 235     qdev_init_nofail(dev);
 236 }
 237
 238 static void ccw_init(MachineState *machine)
 239 {
 240     int ret;
 241     VirtualCssBus *css_bus;
 242     DeviceState *dev;
 243
 244     s390_sclp_init();
 245     /* init memory + setup max page size. Required for the CPU model */
 246     s390_memory_init(machine->ram);
 247
 248     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 249     s390_init_cpus(machine);
 250
 251     s390_flic_init();
 252
 253     /* init the SIGP facility */
 254     s390_init_sigp();
 255
 256     /* create AP bridge and bus(es) */
 257     s390_init_ap();
 258
 259     /* get a BUS */
 260     css_bus = virtual_css_bus_init();
 261     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 262                       machine->initrd_filename, "s390-ccw.img",
 263                       "s390-netboot.img", true);
 264
 265     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 266     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 267                               OBJECT(dev), NULL);
 268     qdev_init_nofail(dev);
 269
 270     /* register hypercalls */
 271     virtio_ccw_register_hcalls();
 272
 273     s390_enable_css_support(s390_cpu_addr2state(0));
 274
 275     ret = css_create_css_image(VIRTUAL_CSSID, true);
 276
 277     assert(ret == 0);
 278     if (css_migration_enabled()) {
 279         css_register_vmstate();
 280     }
 281
 282     /* Create VirtIO network adapters */
 283     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 284
 285     /* init consoles */
 286     if (serial_hd(0)) {
 287         s390_create_sclpconsole("sclpconsole", serial_hd(0));
 288     }
 289     if (serial_hd(1)) {
 290         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
 291     }
 292
 293     /* init the TOD clock */
 294     s390_init_tod();
 295 }
 296
 297 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 298                         DeviceState *dev, Error **errp)
 299 {
 300     MachineState *ms = MACHINE(hotplug_dev);
 301     S390CPU *cpu = S390_CPU(dev);
 302
 303     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 304     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 305
 306     if (dev->hotplugged) {
 307         raise_irq_cpu_hotplug();
 308     }
 309 }
 310
 311 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
 312 {
 313     S390CPU *cpu = S390_CPU(cs);
 314
 315     s390_ipl_prepare_cpu(cpu);
 316     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
 317 }
 318
 319 static void s390_machine_reset(MachineState *machine)
 320 {
 321     enum s390_reset reset_type;
 322     CPUState *cs, *t;
 323
 324     /* get the reset parameters, reset them once done */
 325     s390_ipl_get_reset_request(&cs, &reset_type);
 326
 327     /* all CPUs are paused and synchronized at this point */
 328     s390_cmma_reset();
 329
 330     switch (reset_type) {
 331     case S390_RESET_EXTERNAL:
 332     case S390_RESET_REIPL:
 333         qemu_devices_reset();
 334         s390_crypto_reset();
 335
 336         /* configure and start the ipl CPU only */
 337         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
 338         break;
 339     case S390_RESET_MODIFIED_CLEAR:
 340         CPU_FOREACH(t) {
 341             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
 342         }
 343         subsystem_reset();
 344         s390_crypto_reset();
 345         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 346         break;
 347     case S390_RESET_LOAD_NORMAL:
 348         CPU_FOREACH(t) {
 349             if (t == cs) {
 350                 continue;
 351             }
 352             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
 353         }
 354         subsystem_reset();
 355         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
 356         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 357         break;
 358     default:
 359         g_assert_not_reached();
 360     }
 361     s390_ipl_clear_reset_request();
 362 }
 363
 364 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 365                                      DeviceState *dev, Error **errp)
 366 {
 367     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 368         s390_cpu_plug(hotplug_dev, dev, errp);
 369     }
 370 }
 371
 372 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 373                                                DeviceState *dev, Error **errp)
 374 {
 375     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 376         error_setg(errp, "CPU hot unplug not supported on this machine");
 377         return;
 378     }
 379 }
 380
 381 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
 382                                                      unsigned cpu_index)
 383 {
 384     MachineClass *mc = MACHINE_GET_CLASS(ms);
 385     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
 386
 387     assert(cpu_index < possible_cpus->len);
 388     return possible_cpus->cpus[cpu_index].props;
 389 }
 390
 391 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 392 {
 393     int i;
 394     unsigned int max_cpus = ms->smp.max_cpus;
 395
 396     if (ms->possible_cpus) {
 397         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 398         return ms->possible_cpus;
 399     }
 400
 401     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 402                                   sizeof(CPUArchId) * max_cpus);
 403     ms->possible_cpus->len = max_cpus;
 404     for (i = 0; i < ms->possible_cpus->len; i++) {
 405         ms->possible_cpus->cpus[i].type = ms->cpu_type;
 406         ms->possible_cpus->cpus[i].vcpus_count = 1;
 407         ms->possible_cpus->cpus[i].arch_id = i;
 408         ms->possible_cpus->cpus[i].props.has_core_id = true;
 409         ms->possible_cpus->cpus[i].props.core_id = i;
 410     }
 411
 412     return ms->possible_cpus;
 413 }
 414
 415 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 416                                                 DeviceState *dev)
 417 {
 418     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 419         return HOTPLUG_HANDLER(machine);
 420     }
 421     return NULL;
 422 }
 423
 424 static void s390_hot_add_cpu(MachineState *machine,
 425                              const int64_t id, Error **errp)
 426 {
 427     ObjectClass *oc;
 428
 429     g_assert(machine->possible_cpus->cpus[0].cpu);
 430     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 431
 432     s390x_new_cpu(object_class_get_name(oc), id, errp);
 433 }
 434
 435 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 436 {
 437     CPUState *cs = qemu_get_cpu(cpu_index);
 438
 439     s390_cpu_restart(S390_CPU(cs));
 440 }
 441
 442 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 443 {
 444     MachineClass *mc = MACHINE_CLASS(oc);
 445     NMIClass *nc = NMI_CLASS(oc);
 446     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 447     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 448
 449     s390mc->ri_allowed = true;
 450     s390mc->cpu_model_allowed = true;
 451     s390mc->css_migration_enabled = true;
 452     s390mc->hpage_1m_allowed = true;
 453     mc->init = ccw_init;
 454     mc->reset = s390_machine_reset;
 455     mc->hot_add_cpu = s390_hot_add_cpu;
 456     mc->block_default_type = IF_VIRTIO;
 457     mc->no_cdrom = 1;
 458     mc->no_floppy = 1;
 459     mc->no_parallel = 1;
 460     mc->no_sdcard = 1;
 461     mc->max_cpus = S390_MAX_CPUS;
 462     mc->has_hotpluggable_cpus = true;
 463     assert(!mc->get_hotplug_handler);
 464     mc->get_hotplug_handler = s390_get_hotplug_handler;
 465     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 466     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 467     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 468     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 469     hc->plug = s390_machine_device_plug;
 470     hc->unplug_request = s390_machine_device_unplug_request;
 471     nc->nmi_monitor_handler = s390_nmi;
 472     mc->default_ram_id = "s390.ram";
 473 }
 474
 475 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 476 {
 477     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 478
 479     return ms->aes_key_wrap;
 480 }
 481
 482 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 483                                             Error **errp)
 484 {
 485     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 486
 487     ms->aes_key_wrap = value;
 488 }
 489
 490 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 491 {
 492     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 493
 494     return ms->dea_key_wrap;
 495 }
 496
 497 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 498                                             Error **errp)
 499 {
 500     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 501
 502     ms->dea_key_wrap = value;
 503 }
 504
 505 static S390CcwMachineClass *current_mc;
 506
 507 /*
 508  * Get the class of the s390-ccw-virtio machine that is currently in use.
 509  * Note: libvirt is using the "none" machine to probe for the features of the
 510  * host CPU, so in case this is called with the "none" machine, the function
 511  * returns the TYPE_S390_CCW_MACHINE base class. In this base class, all the
 512  * various "*_allowed" variables are enabled, so that the *_allowed() wrappers
 513  * below return the correct default value for the "none" machine.
 514  *
 515  * Attention! Do *not* add additional new wrappers for CPU features (e.g. like
 516  * the ri_allowed() wrapper) via this mechanism anymore. CPU features should
 517  * be handled via the CPU models, i.e. checking with cpu_model_allowed() during
 518  * CPU initialization and s390_has_feat() later should be sufficient.
 519  */
 520 static S390CcwMachineClass *get_machine_class(void)
 521 {
 522     if (unlikely(!current_mc)) {
 523         /*
 524         * No s390 ccw machine was instantiated, we are likely to
 525         * be called for the 'none' machine. The properties will
 526         * have their after-initialization values.
 527         */
 528         current_mc = S390_MACHINE_CLASS(
 529                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 530     }
 531     return current_mc;
 532 }
 533
 534 bool ri_allowed(void)
 535 {
 536     return get_machine_class()->ri_allowed;
 537 }
 538
 539 bool cpu_model_allowed(void)
 540 {
 541     return get_machine_class()->cpu_model_allowed;
 542 }
 543
 544 bool hpage_1m_allowed(void)
 545 {
 546     return get_machine_class()->hpage_1m_allowed;
 547 }
 548
 549 static char *machine_get_loadparm(Object *obj, Error **errp)
 550 {
 551     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 552
 553     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 554 }
 555
 556 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 557 {
 558     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 559     int i;
 560
 561     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 562         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 563
 564         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 565             (c == ' ')) {
 566             ms->loadparm[i] = c;
 567         } else {
 568             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 569                        c, c);
 570             return;
 571         }
 572     }
 573
 574     for (; i < sizeof(ms->loadparm); i++) {
 575         ms->loadparm[i] = ' '; /* pad right with spaces */
 576     }
 577 }
 578 static inline void s390_machine_initfn(Object *obj)
 579 {
 580     object_property_add_bool(obj, "aes-key-wrap",
 581                              machine_get_aes_key_wrap,
 582                              machine_set_aes_key_wrap, NULL);
 583     object_property_set_description(obj, "aes-key-wrap",
 584             "enable/disable AES key wrapping using the CPACF wrapping key",
 585             NULL);
 586     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 587
 588     object_property_add_bool(obj, "dea-key-wrap",
 589                              machine_get_dea_key_wrap,
 590                              machine_set_dea_key_wrap, NULL);
 591     object_property_set_description(obj, "dea-key-wrap",
 592             "enable/disable DEA key wrapping using the CPACF wrapping key",
 593             NULL);
 594     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 595     object_property_add_str(obj, "loadparm",
 596             machine_get_loadparm, machine_set_loadparm, NULL);
 597     object_property_set_description(obj, "loadparm",
 598             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 599             " to upper case) to pass to machine loader, boot manager,"
 600             " and guest kernel",
 601             NULL);
 602 }
 603
 604 static const TypeInfo ccw_machine_info = {
 605     .name          = TYPE_S390_CCW_MACHINE,
 606     .parent        = TYPE_MACHINE,
 607     .abstract      = true,
 608     .instance_size = sizeof(S390CcwMachineState),
 609     .instance_init = s390_machine_initfn,
 610     .class_size = sizeof(S390CcwMachineClass),
 611     .class_init    = ccw_machine_class_init,
 612     .interfaces = (InterfaceInfo[]) {
 613         { TYPE_NMI },
 614         { TYPE_HOTPLUG_HANDLER},
 615         { }
 616     },
 617 };
 618
 619 bool css_migration_enabled(void)
 620 {
 621     return get_machine_class()->css_migration_enabled;
 622 }
 623
 624 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 625     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 626                                                   void *data)                 \
 627     {                                                                         \
 628         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 629         ccw_machine_##suffix##_class_options(mc);                             \
 630         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 631         if (latest) {                                                         \
 632             mc->alias = "s390-ccw-virtio";                                    \
 633             mc->is_default = true;                                            \
 634         }                                                                     \
 635     }                                                                         \
 636     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 637     {                                                                         \
 638         MachineState *machine = MACHINE(obj);                                 \
 639         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 640         ccw_machine_##suffix##_instance_options(machine);                     \
 641     }                                                                         \
 642     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 643         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 644         .parent = TYPE_S390_CCW_MACHINE,                                      \
 645         .class_init = ccw_machine_##suffix##_class_init,                      \
 646         .instance_init = ccw_machine_##suffix##_instance_init,                \
 647     };                                                                        \
 648     static void ccw_machine_register_##suffix(void)                           \
 649     {                                                                         \
 650         type_register_static(&ccw_machine_##suffix##_info);                   \
 651     }                                                                         \
 652     type_init(ccw_machine_register_##suffix)
 653
 654 static void ccw_machine_5_0_instance_options(MachineState *machine)
 655 {
 656 }
 657
 658 static void ccw_machine_5_0_class_options(MachineClass *mc)
 659 {
 660 }
 661 DEFINE_CCW_MACHINE(5_0, "5.0", true);
 662
 663 static void ccw_machine_4_2_instance_options(MachineState *machine)
 664 {
 665     ccw_machine_5_0_instance_options(machine);
 666 }
 667
 668 static void ccw_machine_4_2_class_options(MachineClass *mc)
 669 {
 670     ccw_machine_5_0_class_options(mc);
 671     compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len);
 672 }
 673 DEFINE_CCW_MACHINE(4_2, "4.2", false);
 674
 675 static void ccw_machine_4_1_instance_options(MachineState *machine)
 676 {
 677     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 };
 678     ccw_machine_4_2_instance_options(machine);
 679     s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat);
 680 }
 681
 682 static void ccw_machine_4_1_class_options(MachineClass *mc)
 683 {
 684     ccw_machine_4_2_class_options(mc);
 685     compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len);
 686 }
 687 DEFINE_CCW_MACHINE(4_1, "4.1", false);
 688
 689 static void ccw_machine_4_0_instance_options(MachineState *machine)
 690 {
 691     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 };
 692     ccw_machine_4_1_instance_options(machine);
 693     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 694 }
 695
 696 static void ccw_machine_4_0_class_options(MachineClass *mc)
 697 {
 698     ccw_machine_4_1_class_options(mc);
 699     compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
 700 }
 701 DEFINE_CCW_MACHINE(4_0, "4.0", false);
 702
 703 static void ccw_machine_3_1_instance_options(MachineState *machine)
 704 {
 705     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
 706     ccw_machine_4_0_instance_options(machine);
 707     s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH);
 708     s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF);
 709     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 710 }
 711
 712 static void ccw_machine_3_1_class_options(MachineClass *mc)
 713 {
 714     ccw_machine_4_0_class_options(mc);
 715     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
 716 }
 717 DEFINE_CCW_MACHINE(3_1, "3.1", false);
 718
 719 static void ccw_machine_3_0_instance_options(MachineState *machine)
 720 {
 721     ccw_machine_3_1_instance_options(machine);
 722 }
 723
 724 static void ccw_machine_3_0_class_options(MachineClass *mc)
 725 {
 726     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 727
 728     s390mc->hpage_1m_allowed = false;
 729     ccw_machine_3_1_class_options(mc);
 730     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 731 }
 732 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 733
 734 static void ccw_machine_2_12_instance_options(MachineState *machine)
 735 {
 736     ccw_machine_3_0_instance_options(machine);
 737     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
 738     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
 739 }
 740
 741 static void ccw_machine_2_12_class_options(MachineClass *mc)
 742 {
 743     ccw_machine_3_0_class_options(mc);
 744     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
 745 }
 746 DEFINE_CCW_MACHINE(2_12, "2.12", false);
 747
 748 static void ccw_machine_2_11_instance_options(MachineState *machine)
 749 {
 750     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 751     ccw_machine_2_12_instance_options(machine);
 752
 753     /* before 2.12 we emulated the very first z900 */
 754     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 755 }
 756
 757 static void ccw_machine_2_11_class_options(MachineClass *mc)
 758 {
 759     static GlobalProperty compat[] = {
 760         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
 761     };
 762
 763     ccw_machine_2_12_class_options(mc);
 764     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
 765     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 766 }
 767 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 768
 769 static void ccw_machine_2_10_instance_options(MachineState *machine)
 770 {
 771     ccw_machine_2_11_instance_options(machine);
 772 }
 773
 774 static void ccw_machine_2_10_class_options(MachineClass *mc)
 775 {
 776     ccw_machine_2_11_class_options(mc);
 777     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
 778 }
 779 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 780
 781 static void ccw_machine_2_9_instance_options(MachineState *machine)
 782 {
 783     ccw_machine_2_10_instance_options(machine);
 784     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 785     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 786     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 787     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 788     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 789 }
 790
 791 static void ccw_machine_2_9_class_options(MachineClass *mc)
 792 {
 793     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 794     static GlobalProperty compat[] = {
 795         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
 796     };
 797
 798     ccw_machine_2_10_class_options(mc);
 799     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
 800     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 801     s390mc->css_migration_enabled = false;
 802 }
 803 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 804
 805 static void ccw_machine_2_8_instance_options(MachineState *machine)
 806 {
 807     ccw_machine_2_9_instance_options(machine);
 808 }
 809
 810 static void ccw_machine_2_8_class_options(MachineClass *mc)
 811 {
 812     static GlobalProperty compat[] = {
 813         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
 814     };
 815
 816     ccw_machine_2_9_class_options(mc);
 817     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
 818     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 819 }
 820 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 821
 822 static void ccw_machine_2_7_instance_options(MachineState *machine)
 823 {
 824     ccw_machine_2_8_instance_options(machine);
 825 }
 826
 827 static void ccw_machine_2_7_class_options(MachineClass *mc)
 828 {
 829     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 830
 831     s390mc->cpu_model_allowed = false;
 832     ccw_machine_2_8_class_options(mc);
 833     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
 834 }
 835 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 836
 837 static void ccw_machine_2_6_instance_options(MachineState *machine)
 838 {
 839     ccw_machine_2_7_instance_options(machine);
 840 }
 841
 842 static void ccw_machine_2_6_class_options(MachineClass *mc)
 843 {
 844     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 845     static GlobalProperty compat[] = {
 846         { TYPE_S390_IPL, "iplbext_migration", "off", },
 847          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
 848     };
 849
 850     s390mc->ri_allowed = false;
 851     ccw_machine_2_7_class_options(mc);
 852     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
 853     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 854 }
 855 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 856
 857 static void ccw_machine_2_5_instance_options(MachineState *machine)
 858 {
 859     ccw_machine_2_6_instance_options(machine);
 860 }
 861
 862 static void ccw_machine_2_5_class_options(MachineClass *mc)
 863 {
 864     ccw_machine_2_6_class_options(mc);
 865     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
 866 }
 867 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 868
 869 static void ccw_machine_2_4_instance_options(MachineState *machine)
 870 {
 871     ccw_machine_2_5_instance_options(machine);
 872 }
 873
 874 static void ccw_machine_2_4_class_options(MachineClass *mc)
 875 {
 876     static GlobalProperty compat[] = {
 877         { TYPE_S390_SKEYS, "migration-enabled", "off", },
 878         { "virtio-blk-ccw", "max_revision", "0", },
 879         { "virtio-balloon-ccw", "max_revision", "0", },
 880         { "virtio-serial-ccw", "max_revision", "0", },
 881         { "virtio-9p-ccw", "max_revision", "0", },
 882         { "virtio-rng-ccw", "max_revision", "0", },
 883         { "virtio-net-ccw", "max_revision", "0", },
 884         { "virtio-scsi-ccw", "max_revision", "0", },
 885         { "vhost-scsi-ccw", "max_revision", "0", },
 886     };
 887
 888     ccw_machine_2_5_class_options(mc);
 889     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
 890     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 891 }
 892 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 893
 894 static void ccw_machine_register_types(void)
 895 {
 896     type_register_static(&ccw_machine_info);
 897 }
 898
 899 type_init(ccw_machine_register_types)