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