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 /*
 158  * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages
 159  * as the dirty bitmap must be managed by bitops that take an int as
 160  * position indicator. If we have a guest beyond that we will split off
 161  * new subregions. The split must happen on a segment boundary (1MB).
 162  */
 163 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1)
 164 #define SEG_MSK (~0xfffffULL)
 165 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK)
 166 static void s390_memory_init(ram_addr_t mem_size)
 167 {
 168     MemoryRegion *sysmem = get_system_memory();
 169     ram_addr_t chunk, offset = 0;
 170     unsigned int number = 0;
 171     Error *local_err = NULL;
 172     gchar *name;
 173
 174     /* allocate RAM for core */
 175     name = g_strdup_printf("s390.ram");
 176     while (mem_size) {
 177         MemoryRegion *ram = g_new(MemoryRegion, 1);
 178         uint64_t size = mem_size;
 179
 180         /* KVM does not allow memslots >= 8 TB */
 181         chunk = MIN(size, KVM_SLOT_MAX_BYTES);
 182         memory_region_allocate_system_memory(ram, NULL, name, chunk);
 183         memory_region_add_subregion(sysmem, offset, ram);
 184         mem_size -= chunk;
 185         offset += chunk;
 186         g_free(name);
 187         name = g_strdup_printf("s390.ram.%u", ++number);
 188     }
 189     g_free(name);
 190
 191     /*
 192      * Configure the maximum page size. As no memory devices were created
 193      * yet, this is the page size of initial memory only.
 194      */
 195     s390_set_max_pagesize(qemu_maxrampagesize(), &local_err);
 196     if (local_err) {
 197         error_report_err(local_err);
 198         exit(EXIT_FAILURE);
 199     }
 200     /* Initialize storage key device */
 201     s390_skeys_init();
 202     /* Initialize storage attributes device */
 203     s390_stattrib_init();
 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     char *netboot_fw_prop;
 214
 215     if (kernel_filename) {
 216         qdev_prop_set_string(dev, "kernel", kernel_filename);
 217     }
 218     if (initrd_filename) {
 219         qdev_prop_set_string(dev, "initrd", initrd_filename);
 220     }
 221     qdev_prop_set_string(dev, "cmdline", kernel_cmdline);
 222     qdev_prop_set_string(dev, "firmware", firmware);
 223     qdev_prop_set_bit(dev, "enforce_bios", enforce_bios);
 224     netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort);
 225     if (!strlen(netboot_fw_prop)) {
 226         qdev_prop_set_string(dev, "netboot_fw", netboot_fw);
 227     }
 228     g_free(netboot_fw_prop);
 229     object_property_add_child(qdev_get_machine(), TYPE_S390_IPL,
 230                               new, NULL);
 231     object_unref(new);
 232     qdev_init_nofail(dev);
 233 }
 234
 235 static void s390_create_virtio_net(BusState *bus, const char *name)
 236 {
 237     int i;
 238
 239     for (i = 0; i < nb_nics; i++) {
 240         NICInfo *nd = &nd_table[i];
 241         DeviceState *dev;
 242
 243         if (!nd->model) {
 244             nd->model = g_strdup("virtio");
 245         }
 246
 247         qemu_check_nic_model(nd, "virtio");
 248
 249         dev = qdev_create(bus, name);
 250         qdev_set_nic_properties(dev, nd);
 251         qdev_init_nofail(dev);
 252     }
 253 }
 254
 255 static void s390_create_sclpconsole(const char *type, Chardev *chardev)
 256 {
 257     DeviceState *dev;
 258
 259     dev = qdev_create(sclp_get_event_facility_bus(), type);
 260     qdev_prop_set_chr(dev, "chardev", chardev);
 261     qdev_init_nofail(dev);
 262 }
 263
 264 static void ccw_init(MachineState *machine)
 265 {
 266     int ret;
 267     VirtualCssBus *css_bus;
 268     DeviceState *dev;
 269
 270     s390_sclp_init();
 271     /* init memory + setup max page size. Required for the CPU model */
 272     s390_memory_init(machine->ram_size);
 273
 274     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
 275     s390_init_cpus(machine);
 276
 277     s390_flic_init();
 278
 279     /* init the SIGP facility */
 280     s390_init_sigp();
 281
 282     /* create AP bridge and bus(es) */
 283     s390_init_ap();
 284
 285     /* get a BUS */
 286     css_bus = virtual_css_bus_init();
 287     s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline,
 288                       machine->initrd_filename, "s390-ccw.img",
 289                       "s390-netboot.img", true);
 290
 291     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
 292     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
 293                               OBJECT(dev), NULL);
 294     qdev_init_nofail(dev);
 295
 296     /* register hypercalls */
 297     virtio_ccw_register_hcalls();
 298
 299     s390_enable_css_support(s390_cpu_addr2state(0));
 300
 301     ret = css_create_css_image(VIRTUAL_CSSID, true);
 302
 303     assert(ret == 0);
 304     if (css_migration_enabled()) {
 305         css_register_vmstate();
 306     }
 307
 308     /* Create VirtIO network adapters */
 309     s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw");
 310
 311     /* init consoles */
 312     if (serial_hd(0)) {
 313         s390_create_sclpconsole("sclpconsole", serial_hd(0));
 314     }
 315     if (serial_hd(1)) {
 316         s390_create_sclpconsole("sclplmconsole", serial_hd(1));
 317     }
 318
 319     /* init the TOD clock */
 320     s390_init_tod();
 321 }
 322
 323 static void s390_cpu_plug(HotplugHandler *hotplug_dev,
 324                         DeviceState *dev, Error **errp)
 325 {
 326     MachineState *ms = MACHINE(hotplug_dev);
 327     S390CPU *cpu = S390_CPU(dev);
 328
 329     g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu);
 330     ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev);
 331
 332     if (dev->hotplugged) {
 333         raise_irq_cpu_hotplug();
 334     }
 335 }
 336
 337 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
 338 {
 339     S390CPU *cpu = S390_CPU(cs);
 340
 341     s390_ipl_prepare_cpu(cpu);
 342     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
 343 }
 344
 345 static void s390_machine_reset(MachineState *machine)
 346 {
 347     enum s390_reset reset_type;
 348     CPUState *cs, *t;
 349
 350     /* get the reset parameters, reset them once done */
 351     s390_ipl_get_reset_request(&cs, &reset_type);
 352
 353     /* all CPUs are paused and synchronized at this point */
 354     s390_cmma_reset();
 355
 356     switch (reset_type) {
 357     case S390_RESET_EXTERNAL:
 358     case S390_RESET_REIPL:
 359         qemu_devices_reset();
 360         s390_crypto_reset();
 361
 362         /* configure and start the ipl CPU only */
 363         run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL);
 364         break;
 365     case S390_RESET_MODIFIED_CLEAR:
 366         CPU_FOREACH(t) {
 367             run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL);
 368         }
 369         subsystem_reset();
 370         s390_crypto_reset();
 371         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 372         break;
 373     case S390_RESET_LOAD_NORMAL:
 374         CPU_FOREACH(t) {
 375             run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL);
 376         }
 377         subsystem_reset();
 378         run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL);
 379         run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL);
 380         break;
 381     default:
 382         g_assert_not_reached();
 383     }
 384     s390_ipl_clear_reset_request();
 385 }
 386
 387 static void s390_machine_device_plug(HotplugHandler *hotplug_dev,
 388                                      DeviceState *dev, Error **errp)
 389 {
 390     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 391         s390_cpu_plug(hotplug_dev, dev, errp);
 392     }
 393 }
 394
 395 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev,
 396                                                DeviceState *dev, Error **errp)
 397 {
 398     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 399         error_setg(errp, "CPU hot unplug not supported on this machine");
 400         return;
 401     }
 402 }
 403
 404 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms,
 405                                                      unsigned cpu_index)
 406 {
 407     MachineClass *mc = MACHINE_GET_CLASS(ms);
 408     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms);
 409
 410     assert(cpu_index < possible_cpus->len);
 411     return possible_cpus->cpus[cpu_index].props;
 412 }
 413
 414 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms)
 415 {
 416     int i;
 417     unsigned int max_cpus = ms->smp.max_cpus;
 418
 419     if (ms->possible_cpus) {
 420         g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus);
 421         return ms->possible_cpus;
 422     }
 423
 424     ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) +
 425                                   sizeof(CPUArchId) * max_cpus);
 426     ms->possible_cpus->len = max_cpus;
 427     for (i = 0; i < ms->possible_cpus->len; i++) {
 428         ms->possible_cpus->cpus[i].type = ms->cpu_type;
 429         ms->possible_cpus->cpus[i].vcpus_count = 1;
 430         ms->possible_cpus->cpus[i].arch_id = i;
 431         ms->possible_cpus->cpus[i].props.has_core_id = true;
 432         ms->possible_cpus->cpus[i].props.core_id = i;
 433     }
 434
 435     return ms->possible_cpus;
 436 }
 437
 438 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
 439                                                 DeviceState *dev)
 440 {
 441     if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) {
 442         return HOTPLUG_HANDLER(machine);
 443     }
 444     return NULL;
 445 }
 446
 447 static void s390_hot_add_cpu(MachineState *machine,
 448                              const int64_t id, Error **errp)
 449 {
 450     ObjectClass *oc;
 451
 452     g_assert(machine->possible_cpus->cpus[0].cpu);
 453     oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu));
 454
 455     s390x_new_cpu(object_class_get_name(oc), id, errp);
 456 }
 457
 458 static void s390_nmi(NMIState *n, int cpu_index, Error **errp)
 459 {
 460     CPUState *cs = qemu_get_cpu(cpu_index);
 461
 462     s390_cpu_restart(S390_CPU(cs));
 463 }
 464
 465 static void ccw_machine_class_init(ObjectClass *oc, void *data)
 466 {
 467     MachineClass *mc = MACHINE_CLASS(oc);
 468     NMIClass *nc = NMI_CLASS(oc);
 469     HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
 470     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 471
 472     s390mc->ri_allowed = true;
 473     s390mc->cpu_model_allowed = true;
 474     s390mc->css_migration_enabled = true;
 475     s390mc->hpage_1m_allowed = true;
 476     mc->init = ccw_init;
 477     mc->reset = s390_machine_reset;
 478     mc->hot_add_cpu = s390_hot_add_cpu;
 479     mc->block_default_type = IF_VIRTIO;
 480     mc->no_cdrom = 1;
 481     mc->no_floppy = 1;
 482     mc->no_parallel = 1;
 483     mc->no_sdcard = 1;
 484     mc->max_cpus = S390_MAX_CPUS;
 485     mc->has_hotpluggable_cpus = true;
 486     assert(!mc->get_hotplug_handler);
 487     mc->get_hotplug_handler = s390_get_hotplug_handler;
 488     mc->cpu_index_to_instance_props = s390_cpu_index_to_props;
 489     mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids;
 490     /* it is overridden with 'host' cpu *in kvm_arch_init* */
 491     mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu");
 492     hc->plug = s390_machine_device_plug;
 493     hc->unplug_request = s390_machine_device_unplug_request;
 494     nc->nmi_monitor_handler = s390_nmi;
 495 }
 496
 497 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp)
 498 {
 499     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 500
 501     return ms->aes_key_wrap;
 502 }
 503
 504 static inline void machine_set_aes_key_wrap(Object *obj, bool value,
 505                                             Error **errp)
 506 {
 507     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 508
 509     ms->aes_key_wrap = value;
 510 }
 511
 512 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp)
 513 {
 514     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 515
 516     return ms->dea_key_wrap;
 517 }
 518
 519 static inline void machine_set_dea_key_wrap(Object *obj, bool value,
 520                                             Error **errp)
 521 {
 522     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 523
 524     ms->dea_key_wrap = value;
 525 }
 526
 527 static S390CcwMachineClass *current_mc;
 528
 529 static S390CcwMachineClass *get_machine_class(void)
 530 {
 531     if (unlikely(!current_mc)) {
 532         /*
 533         * No s390 ccw machine was instantiated, we are likely to
 534         * be called for the 'none' machine. The properties will
 535         * have their after-initialization values.
 536         */
 537         current_mc = S390_MACHINE_CLASS(
 538                      object_class_by_name(TYPE_S390_CCW_MACHINE));
 539     }
 540     return current_mc;
 541 }
 542
 543 bool ri_allowed(void)
 544 {
 545     /* for "none" machine this results in true */
 546     return get_machine_class()->ri_allowed;
 547 }
 548
 549 bool cpu_model_allowed(void)
 550 {
 551     /* for "none" machine this results in true */
 552     return get_machine_class()->cpu_model_allowed;
 553 }
 554
 555 bool hpage_1m_allowed(void)
 556 {
 557     /* for "none" machine this results in true */
 558     return get_machine_class()->hpage_1m_allowed;
 559 }
 560
 561 static char *machine_get_loadparm(Object *obj, Error **errp)
 562 {
 563     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 564
 565     return g_memdup(ms->loadparm, sizeof(ms->loadparm));
 566 }
 567
 568 static void machine_set_loadparm(Object *obj, const char *val, Error **errp)
 569 {
 570     S390CcwMachineState *ms = S390_CCW_MACHINE(obj);
 571     int i;
 572
 573     for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) {
 574         uint8_t c = qemu_toupper(val[i]); /* mimic HMC */
 575
 576         if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') ||
 577             (c == ' ')) {
 578             ms->loadparm[i] = c;
 579         } else {
 580             error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)",
 581                        c, c);
 582             return;
 583         }
 584     }
 585
 586     for (; i < sizeof(ms->loadparm); i++) {
 587         ms->loadparm[i] = ' '; /* pad right with spaces */
 588     }
 589 }
 590 static inline void s390_machine_initfn(Object *obj)
 591 {
 592     object_property_add_bool(obj, "aes-key-wrap",
 593                              machine_get_aes_key_wrap,
 594                              machine_set_aes_key_wrap, NULL);
 595     object_property_set_description(obj, "aes-key-wrap",
 596             "enable/disable AES key wrapping using the CPACF wrapping key",
 597             NULL);
 598     object_property_set_bool(obj, true, "aes-key-wrap", NULL);
 599
 600     object_property_add_bool(obj, "dea-key-wrap",
 601                              machine_get_dea_key_wrap,
 602                              machine_set_dea_key_wrap, NULL);
 603     object_property_set_description(obj, "dea-key-wrap",
 604             "enable/disable DEA key wrapping using the CPACF wrapping key",
 605             NULL);
 606     object_property_set_bool(obj, true, "dea-key-wrap", NULL);
 607     object_property_add_str(obj, "loadparm",
 608             machine_get_loadparm, machine_set_loadparm, NULL);
 609     object_property_set_description(obj, "loadparm",
 610             "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted"
 611             " to upper case) to pass to machine loader, boot manager,"
 612             " and guest kernel",
 613             NULL);
 614 }
 615
 616 static const TypeInfo ccw_machine_info = {
 617     .name          = TYPE_S390_CCW_MACHINE,
 618     .parent        = TYPE_MACHINE,
 619     .abstract      = true,
 620     .instance_size = sizeof(S390CcwMachineState),
 621     .instance_init = s390_machine_initfn,
 622     .class_size = sizeof(S390CcwMachineClass),
 623     .class_init    = ccw_machine_class_init,
 624     .interfaces = (InterfaceInfo[]) {
 625         { TYPE_NMI },
 626         { TYPE_HOTPLUG_HANDLER},
 627         { }
 628     },
 629 };
 630
 631 bool css_migration_enabled(void)
 632 {
 633     return get_machine_class()->css_migration_enabled;
 634 }
 635
 636 #define DEFINE_CCW_MACHINE(suffix, verstr, latest)                            \
 637     static void ccw_machine_##suffix##_class_init(ObjectClass *oc,            \
 638                                                   void *data)                 \
 639     {                                                                         \
 640         MachineClass *mc = MACHINE_CLASS(oc);                                 \
 641         ccw_machine_##suffix##_class_options(mc);                             \
 642         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
 643         if (latest) {                                                         \
 644             mc->alias = "s390-ccw-virtio";                                    \
 645             mc->is_default = 1;                                               \
 646         }                                                                     \
 647     }                                                                         \
 648     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
 649     {                                                                         \
 650         MachineState *machine = MACHINE(obj);                                 \
 651         current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine));          \
 652         ccw_machine_##suffix##_instance_options(machine);                     \
 653     }                                                                         \
 654     static const TypeInfo ccw_machine_##suffix##_info = {                     \
 655         .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr),                 \
 656         .parent = TYPE_S390_CCW_MACHINE,                                      \
 657         .class_init = ccw_machine_##suffix##_class_init,                      \
 658         .instance_init = ccw_machine_##suffix##_instance_init,                \
 659     };                                                                        \
 660     static void ccw_machine_register_##suffix(void)                           \
 661     {                                                                         \
 662         type_register_static(&ccw_machine_##suffix##_info);                   \
 663     }                                                                         \
 664     type_init(ccw_machine_register_##suffix)
 665
 666 static void ccw_machine_4_1_instance_options(MachineState *machine)
 667 {
 668 }
 669
 670 static void ccw_machine_4_1_class_options(MachineClass *mc)
 671 {
 672 }
 673 DEFINE_CCW_MACHINE(4_1, "4.1", true);
 674
 675 static void ccw_machine_4_0_instance_options(MachineState *machine)
 676 {
 677     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 };
 678     ccw_machine_4_1_instance_options(machine);
 679     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 680 }
 681
 682 static void ccw_machine_4_0_class_options(MachineClass *mc)
 683 {
 684     ccw_machine_4_1_class_options(mc);
 685     compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
 686 }
 687 DEFINE_CCW_MACHINE(4_0, "4.0", false);
 688
 689 static void ccw_machine_3_1_instance_options(MachineState *machine)
 690 {
 691     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
 692     ccw_machine_4_0_instance_options(machine);
 693     s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH);
 694     s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF);
 695     s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 696 }
 697
 698 static void ccw_machine_3_1_class_options(MachineClass *mc)
 699 {
 700     ccw_machine_4_0_class_options(mc);
 701     compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len);
 702 }
 703 DEFINE_CCW_MACHINE(3_1, "3.1", false);
 704
 705 static void ccw_machine_3_0_instance_options(MachineState *machine)
 706 {
 707     ccw_machine_3_1_instance_options(machine);
 708 }
 709
 710 static void ccw_machine_3_0_class_options(MachineClass *mc)
 711 {
 712     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 713
 714     s390mc->hpage_1m_allowed = false;
 715     ccw_machine_3_1_class_options(mc);
 716     compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len);
 717 }
 718 DEFINE_CCW_MACHINE(3_0, "3.0", false);
 719
 720 static void ccw_machine_2_12_instance_options(MachineState *machine)
 721 {
 722     ccw_machine_3_0_instance_options(machine);
 723     s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15);
 724     s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB);
 725 }
 726
 727 static void ccw_machine_2_12_class_options(MachineClass *mc)
 728 {
 729     ccw_machine_3_0_class_options(mc);
 730     compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len);
 731 }
 732 DEFINE_CCW_MACHINE(2_12, "2.12", false);
 733
 734 static void ccw_machine_2_11_instance_options(MachineState *machine)
 735 {
 736     static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 };
 737     ccw_machine_2_12_instance_options(machine);
 738
 739     /* before 2.12 we emulated the very first z900 */
 740     s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat);
 741 }
 742
 743 static void ccw_machine_2_11_class_options(MachineClass *mc)
 744 {
 745     static GlobalProperty compat[] = {
 746         { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", },
 747     };
 748
 749     ccw_machine_2_12_class_options(mc);
 750     compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len);
 751     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 752 }
 753 DEFINE_CCW_MACHINE(2_11, "2.11", false);
 754
 755 static void ccw_machine_2_10_instance_options(MachineState *machine)
 756 {
 757     ccw_machine_2_11_instance_options(machine);
 758 }
 759
 760 static void ccw_machine_2_10_class_options(MachineClass *mc)
 761 {
 762     ccw_machine_2_11_class_options(mc);
 763     compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len);
 764 }
 765 DEFINE_CCW_MACHINE(2_10, "2.10", false);
 766
 767 static void ccw_machine_2_9_instance_options(MachineState *machine)
 768 {
 769     ccw_machine_2_10_instance_options(machine);
 770     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP);
 771     s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2);
 772     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI);
 773     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION);
 774     s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION);
 775 }
 776
 777 static void ccw_machine_2_9_class_options(MachineClass *mc)
 778 {
 779     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 780     static GlobalProperty compat[] = {
 781         { TYPE_S390_STATTRIB, "migration-enabled", "off", },
 782     };
 783
 784     ccw_machine_2_10_class_options(mc);
 785     compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len);
 786     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 787     s390mc->css_migration_enabled = false;
 788 }
 789 DEFINE_CCW_MACHINE(2_9, "2.9", false);
 790
 791 static void ccw_machine_2_8_instance_options(MachineState *machine)
 792 {
 793     ccw_machine_2_9_instance_options(machine);
 794 }
 795
 796 static void ccw_machine_2_8_class_options(MachineClass *mc)
 797 {
 798     static GlobalProperty compat[] = {
 799         { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", },
 800     };
 801
 802     ccw_machine_2_9_class_options(mc);
 803     compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len);
 804     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 805 }
 806 DEFINE_CCW_MACHINE(2_8, "2.8", false);
 807
 808 static void ccw_machine_2_7_instance_options(MachineState *machine)
 809 {
 810     ccw_machine_2_8_instance_options(machine);
 811 }
 812
 813 static void ccw_machine_2_7_class_options(MachineClass *mc)
 814 {
 815     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 816
 817     s390mc->cpu_model_allowed = false;
 818     ccw_machine_2_8_class_options(mc);
 819     compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len);
 820 }
 821 DEFINE_CCW_MACHINE(2_7, "2.7", false);
 822
 823 static void ccw_machine_2_6_instance_options(MachineState *machine)
 824 {
 825     ccw_machine_2_7_instance_options(machine);
 826 }
 827
 828 static void ccw_machine_2_6_class_options(MachineClass *mc)
 829 {
 830     S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc);
 831     static GlobalProperty compat[] = {
 832         { TYPE_S390_IPL, "iplbext_migration", "off", },
 833          { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", },
 834     };
 835
 836     s390mc->ri_allowed = false;
 837     ccw_machine_2_7_class_options(mc);
 838     compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len);
 839     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 840 }
 841 DEFINE_CCW_MACHINE(2_6, "2.6", false);
 842
 843 static void ccw_machine_2_5_instance_options(MachineState *machine)
 844 {
 845     ccw_machine_2_6_instance_options(machine);
 846 }
 847
 848 static void ccw_machine_2_5_class_options(MachineClass *mc)
 849 {
 850     ccw_machine_2_6_class_options(mc);
 851     compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len);
 852 }
 853 DEFINE_CCW_MACHINE(2_5, "2.5", false);
 854
 855 static void ccw_machine_2_4_instance_options(MachineState *machine)
 856 {
 857     ccw_machine_2_5_instance_options(machine);
 858 }
 859
 860 static void ccw_machine_2_4_class_options(MachineClass *mc)
 861 {
 862     static GlobalProperty compat[] = {
 863         { TYPE_S390_SKEYS, "migration-enabled", "off", },
 864         { "virtio-blk-ccw", "max_revision", "0", },
 865         { "virtio-balloon-ccw", "max_revision", "0", },
 866         { "virtio-serial-ccw", "max_revision", "0", },
 867         { "virtio-9p-ccw", "max_revision", "0", },
 868         { "virtio-rng-ccw", "max_revision", "0", },
 869         { "virtio-net-ccw", "max_revision", "0", },
 870         { "virtio-scsi-ccw", "max_revision", "0", },
 871         { "vhost-scsi-ccw", "max_revision", "0", },
 872     };
 873
 874     ccw_machine_2_5_class_options(mc);
 875     compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len);
 876     compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
 877 }
 878 DEFINE_CCW_MACHINE(2_4, "2.4", false);
 879
 880 static void ccw_machine_register_types(void)
 881 {
 882     type_register_static(&ccw_machine_info);
 883 }
 884
 885 type_init(ccw_machine_register_types)