1 /* 2 * virtio ccw machine 3 * 4 * Copyright 2012, 2020 IBM Corp. 5 * Copyright (c) 2009 Alexander Graf <agraf@suse.de> 6 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 7 * Janosch Frank <frankja@linux.ibm.com> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or (at 10 * your option) any later version. See the COPYING file in the top-level 11 * directory. 12 */ 13 14 #include "qemu/osdep.h" 15 #include "qapi/error.h" 16 #include "exec/ram_addr.h" 17 #include "hw/s390x/s390-virtio-hcall.h" 18 #include "hw/s390x/sclp.h" 19 #include "hw/s390x/s390_flic.h" 20 #include "hw/s390x/ioinst.h" 21 #include "hw/s390x/css.h" 22 #include "virtio-ccw.h" 23 #include "qemu/config-file.h" 24 #include "qemu/ctype.h" 25 #include "qemu/error-report.h" 26 #include "qemu/option.h" 27 #include "qemu/qemu-print.h" 28 #include "qemu/units.h" 29 #include "hw/s390x/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 #include "sysemu/cpus.h" 45 #include "target/s390x/kvm/pv.h" 46 #include "migration/blocker.h" 47 #include "qapi/visitor.h" 48 #include "hw/s390x/cpu-topology.h" 49 50 static Error *pv_mig_blocker; 51 52 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 53 { 54 static MachineState *ms; 55 56 if (!ms) { 57 ms = MACHINE(qdev_get_machine()); 58 g_assert(ms->possible_cpus); 59 } 60 61 /* CPU address corresponds to the core_id and the index */ 62 if (cpu_addr >= ms->possible_cpus->len) { 63 return NULL; 64 } 65 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 66 } 67 68 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 69 Error **errp) 70 { 71 S390CPU *cpu = S390_CPU(object_new(typename)); 72 S390CPU *ret = NULL; 73 74 if (!object_property_set_int(OBJECT(cpu), "core-id", core_id, errp)) { 75 goto out; 76 } 77 if (!qdev_realize(DEVICE(cpu), NULL, errp)) { 78 goto out; 79 } 80 ret = cpu; 81 82 out: 83 object_unref(OBJECT(cpu)); 84 return ret; 85 } 86 87 static void s390_init_cpus(MachineState *machine) 88 { 89 MachineClass *mc = MACHINE_GET_CLASS(machine); 90 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 91 int i; 92 93 if (machine->smp.threads > s390mc->max_threads) { 94 error_report("S390 does not support more than %d threads.", 95 s390mc->max_threads); 96 exit(1); 97 } 98 99 /* initialize possible_cpus */ 100 mc->possible_cpu_arch_ids(machine); 101 102 for (i = 0; i < machine->smp.cpus; i++) { 103 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 104 } 105 } 106 107 static const char *const reset_dev_types[] = { 108 TYPE_VIRTUAL_CSS_BRIDGE, 109 "s390-sclp-event-facility", 110 "s390-flic", 111 "diag288", 112 TYPE_S390_PCI_HOST_BRIDGE, 113 TYPE_AP_BRIDGE, 114 }; 115 116 static void subsystem_reset(void) 117 { 118 DeviceState *dev; 119 int i; 120 121 /* 122 * ISM firmware is sensitive to unexpected changes to the IOMMU, which can 123 * occur during reset of the vfio-pci device (unmap of entire aperture). 124 * Ensure any passthrough ISM devices are reset now, while CPUs are paused 125 * but before vfio-pci cleanup occurs. 126 */ 127 s390_pci_ism_reset(); 128 129 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 130 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 131 if (dev) { 132 device_cold_reset(dev); 133 } 134 } 135 if (s390_has_topology()) { 136 s390_topology_reset(); 137 } 138 } 139 140 static int virtio_ccw_hcall_notify(const uint64_t *args) 141 { 142 uint64_t subch_id = args[0]; 143 uint64_t queue = args[1]; 144 SubchDev *sch; 145 int cssid, ssid, schid, m; 146 147 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 148 return -EINVAL; 149 } 150 sch = css_find_subch(m, cssid, ssid, schid); 151 if (!sch || !css_subch_visible(sch)) { 152 return -EINVAL; 153 } 154 if (queue >= VIRTIO_QUEUE_MAX) { 155 return -EINVAL; 156 } 157 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 158 return 0; 159 160 } 161 162 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 163 { 164 uint64_t mem = args[0]; 165 MachineState *ms = MACHINE(qdev_get_machine()); 166 167 if (mem < ms->ram_size) { 168 /* Early printk */ 169 return 0; 170 } 171 return -EINVAL; 172 } 173 174 static void virtio_ccw_register_hcalls(void) 175 { 176 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 177 virtio_ccw_hcall_notify); 178 /* Tolerate early printk. */ 179 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 180 virtio_ccw_hcall_early_printk); 181 } 182 183 static void s390_memory_init(MemoryRegion *ram) 184 { 185 MemoryRegion *sysmem = get_system_memory(); 186 187 /* allocate RAM for core */ 188 memory_region_add_subregion(sysmem, 0, ram); 189 190 /* 191 * Configure the maximum page size. As no memory devices were created 192 * yet, this is the page size of initial memory only. 193 */ 194 s390_set_max_pagesize(qemu_maxrampagesize(), &error_fatal); 195 /* Initialize storage key device */ 196 s390_skeys_init(); 197 /* Initialize storage attributes device */ 198 s390_stattrib_init(); 199 } 200 201 static void s390_init_ipl_dev(const char *kernel_filename, 202 const char *kernel_cmdline, 203 const char *initrd_filename, const char *firmware, 204 const char *netboot_fw, bool enforce_bios) 205 { 206 Object *new = object_new(TYPE_S390_IPL); 207 DeviceState *dev = DEVICE(new); 208 char *netboot_fw_prop; 209 210 if (kernel_filename) { 211 qdev_prop_set_string(dev, "kernel", kernel_filename); 212 } 213 if (initrd_filename) { 214 qdev_prop_set_string(dev, "initrd", initrd_filename); 215 } 216 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 217 qdev_prop_set_string(dev, "firmware", firmware); 218 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 219 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 220 if (!strlen(netboot_fw_prop)) { 221 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 222 } 223 g_free(netboot_fw_prop); 224 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 225 new); 226 object_unref(new); 227 qdev_realize(dev, NULL, &error_fatal); 228 } 229 230 static void s390_create_virtio_net(BusState *bus, const char *name) 231 { 232 DeviceState *dev; 233 234 while ((dev = qemu_create_nic_device(name, true, "virtio"))) { 235 qdev_realize_and_unref(dev, bus, &error_fatal); 236 } 237 } 238 239 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 240 { 241 DeviceState *dev; 242 243 dev = qdev_new(type); 244 qdev_prop_set_chr(dev, "chardev", chardev); 245 qdev_realize_and_unref(dev, sclp_get_event_facility_bus(), &error_fatal); 246 } 247 248 static void ccw_init(MachineState *machine) 249 { 250 MachineClass *mc = MACHINE_GET_CLASS(machine); 251 int ret; 252 VirtualCssBus *css_bus; 253 DeviceState *dev; 254 255 s390_sclp_init(); 256 /* init memory + setup max page size. Required for the CPU model */ 257 s390_memory_init(machine->ram); 258 259 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 260 s390_init_cpus(machine); 261 262 /* Need CPU model to be determined before we can set up PV */ 263 s390_pv_init(machine->cgs, &error_fatal); 264 265 s390_flic_init(); 266 267 /* init the SIGP facility */ 268 s390_init_sigp(); 269 270 /* create AP bridge and bus(es) */ 271 s390_init_ap(); 272 273 /* get a BUS */ 274 css_bus = virtual_css_bus_init(); 275 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 276 machine->initrd_filename, 277 machine->firmware ?: "s390-ccw.img", 278 "s390-netboot.img", true); 279 280 dev = qdev_new(TYPE_S390_PCI_HOST_BRIDGE); 281 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 282 OBJECT(dev)); 283 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 284 285 /* register hypercalls */ 286 virtio_ccw_register_hcalls(); 287 288 s390_enable_css_support(s390_cpu_addr2state(0)); 289 290 ret = css_create_css_image(VIRTUAL_CSSID, true); 291 292 assert(ret == 0); 293 if (css_migration_enabled()) { 294 css_register_vmstate(); 295 } 296 297 /* Create VirtIO network adapters */ 298 s390_create_virtio_net(BUS(css_bus), mc->default_nic); 299 300 /* init consoles */ 301 if (serial_hd(0)) { 302 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 303 } 304 if (serial_hd(1)) { 305 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 306 } 307 308 /* init the TOD clock */ 309 s390_init_tod(); 310 } 311 312 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 313 DeviceState *dev, Error **errp) 314 { 315 MachineState *ms = MACHINE(hotplug_dev); 316 S390CPU *cpu = S390_CPU(dev); 317 ERRP_GUARD(); 318 319 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 320 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 321 322 if (s390_has_topology()) { 323 s390_topology_setup_cpu(ms, cpu, errp); 324 if (*errp) { 325 return; 326 } 327 } 328 329 if (dev->hotplugged) { 330 raise_irq_cpu_hotplug(); 331 } 332 } 333 334 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 335 { 336 S390CPU *cpu = S390_CPU(cs); 337 338 s390_ipl_prepare_cpu(cpu); 339 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 340 } 341 342 static void s390_machine_unprotect(S390CcwMachineState *ms) 343 { 344 if (!s390_pv_vm_try_disable_async(ms)) { 345 s390_pv_vm_disable(); 346 } 347 ms->pv = false; 348 migrate_del_blocker(&pv_mig_blocker); 349 ram_block_discard_disable(false); 350 } 351 352 static int s390_machine_protect(S390CcwMachineState *ms) 353 { 354 Error *local_err = NULL; 355 int rc; 356 357 /* 358 * Discarding of memory in RAM blocks does not work as expected with 359 * protected VMs. Sharing and unsharing pages would be required. Disable 360 * it for now, until until we have a solution to make at least Linux 361 * guests either support it (e.g., virtio-balloon) or fail gracefully. 362 */ 363 rc = ram_block_discard_disable(true); 364 if (rc) { 365 error_report("protected VMs: cannot disable RAM discard"); 366 return rc; 367 } 368 369 error_setg(&pv_mig_blocker, 370 "protected VMs are currently not migratable."); 371 rc = migrate_add_blocker(&pv_mig_blocker, &local_err); 372 if (rc) { 373 ram_block_discard_disable(false); 374 error_report_err(local_err); 375 return rc; 376 } 377 378 /* Create SE VM */ 379 rc = s390_pv_vm_enable(); 380 if (rc) { 381 ram_block_discard_disable(false); 382 migrate_del_blocker(&pv_mig_blocker); 383 return rc; 384 } 385 386 ms->pv = true; 387 388 /* Will return 0 if API is not available since it's not vital */ 389 rc = s390_pv_query_info(); 390 if (rc) { 391 goto out_err; 392 } 393 394 /* Set SE header and unpack */ 395 rc = s390_ipl_prepare_pv_header(&local_err); 396 if (rc) { 397 goto out_err; 398 } 399 400 /* Decrypt image */ 401 rc = s390_ipl_pv_unpack(); 402 if (rc) { 403 goto out_err; 404 } 405 406 /* Verify integrity */ 407 rc = s390_pv_verify(); 408 if (rc) { 409 goto out_err; 410 } 411 return rc; 412 413 out_err: 414 if (local_err) { 415 error_report_err(local_err); 416 } 417 s390_machine_unprotect(ms); 418 return rc; 419 } 420 421 static void s390_pv_prepare_reset(S390CcwMachineState *ms) 422 { 423 CPUState *cs; 424 425 if (!s390_is_pv()) { 426 return; 427 } 428 /* Unsharing requires all cpus to be stopped */ 429 CPU_FOREACH(cs) { 430 s390_cpu_set_state(S390_CPU_STATE_STOPPED, S390_CPU(cs)); 431 } 432 s390_pv_unshare(); 433 s390_pv_prep_reset(); 434 } 435 436 static void s390_machine_reset(MachineState *machine, ShutdownCause reason) 437 { 438 S390CcwMachineState *ms = S390_CCW_MACHINE(machine); 439 enum s390_reset reset_type; 440 CPUState *cs, *t; 441 S390CPU *cpu; 442 443 /* get the reset parameters, reset them once done */ 444 s390_ipl_get_reset_request(&cs, &reset_type); 445 446 /* all CPUs are paused and synchronized at this point */ 447 s390_cmma_reset(); 448 449 cpu = S390_CPU(cs); 450 451 switch (reset_type) { 452 case S390_RESET_EXTERNAL: 453 case S390_RESET_REIPL: 454 /* 455 * Reset the subsystem which includes a AP reset. If a PV 456 * guest had APQNs attached the AP reset is a prerequisite to 457 * unprotecting since the UV checks if all APQNs are reset. 458 */ 459 subsystem_reset(); 460 if (s390_is_pv()) { 461 s390_machine_unprotect(ms); 462 } 463 464 /* 465 * Device reset includes CPU clear resets so this has to be 466 * done AFTER the unprotect call above. 467 */ 468 qemu_devices_reset(reason); 469 s390_crypto_reset(); 470 471 /* configure and start the ipl CPU only */ 472 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 473 break; 474 case S390_RESET_MODIFIED_CLEAR: 475 /* 476 * Subsystem reset needs to be done before we unshare memory 477 * and lose access to VIRTIO structures in guest memory. 478 */ 479 subsystem_reset(); 480 s390_crypto_reset(); 481 s390_pv_prepare_reset(ms); 482 CPU_FOREACH(t) { 483 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 484 } 485 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 486 break; 487 case S390_RESET_LOAD_NORMAL: 488 /* 489 * Subsystem reset needs to be done before we unshare memory 490 * and lose access to VIRTIO structures in guest memory. 491 */ 492 subsystem_reset(); 493 s390_pv_prepare_reset(ms); 494 CPU_FOREACH(t) { 495 if (t == cs) { 496 continue; 497 } 498 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 499 } 500 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 501 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 502 break; 503 case S390_RESET_PV: /* Subcode 10 */ 504 subsystem_reset(); 505 s390_crypto_reset(); 506 507 CPU_FOREACH(t) { 508 if (t == cs) { 509 continue; 510 } 511 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 512 } 513 run_on_cpu(cs, s390_do_cpu_reset, RUN_ON_CPU_NULL); 514 515 if (s390_machine_protect(ms)) { 516 s390_pv_inject_reset_error(cs); 517 /* 518 * Continue after the diag308 so the guest knows something 519 * went wrong. 520 */ 521 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 522 return; 523 } 524 525 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 526 break; 527 default: 528 g_assert_not_reached(); 529 } 530 531 CPU_FOREACH(t) { 532 run_on_cpu(t, s390_do_cpu_set_diag318, RUN_ON_CPU_HOST_ULONG(0)); 533 } 534 s390_ipl_clear_reset_request(); 535 } 536 537 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 538 DeviceState *dev, Error **errp) 539 { 540 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 541 s390_cpu_plug(hotplug_dev, dev, errp); 542 } 543 } 544 545 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 546 DeviceState *dev, Error **errp) 547 { 548 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 549 error_setg(errp, "CPU hot unplug not supported on this machine"); 550 return; 551 } 552 } 553 554 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 555 unsigned cpu_index) 556 { 557 MachineClass *mc = MACHINE_GET_CLASS(ms); 558 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 559 560 assert(cpu_index < possible_cpus->len); 561 return possible_cpus->cpus[cpu_index].props; 562 } 563 564 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 565 { 566 int i; 567 unsigned int max_cpus = ms->smp.max_cpus; 568 569 if (ms->possible_cpus) { 570 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 571 return ms->possible_cpus; 572 } 573 574 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 575 sizeof(CPUArchId) * max_cpus); 576 ms->possible_cpus->len = max_cpus; 577 for (i = 0; i < ms->possible_cpus->len; i++) { 578 CpuInstanceProperties *props = &ms->possible_cpus->cpus[i].props; 579 580 ms->possible_cpus->cpus[i].type = ms->cpu_type; 581 ms->possible_cpus->cpus[i].vcpus_count = 1; 582 ms->possible_cpus->cpus[i].arch_id = i; 583 584 props->has_core_id = true; 585 props->core_id = i; 586 props->has_socket_id = true; 587 props->socket_id = s390_std_socket(i, &ms->smp); 588 props->has_book_id = true; 589 props->book_id = s390_std_book(i, &ms->smp); 590 props->has_drawer_id = true; 591 props->drawer_id = s390_std_drawer(i, &ms->smp); 592 } 593 594 return ms->possible_cpus; 595 } 596 597 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 598 DeviceState *dev) 599 { 600 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 601 return HOTPLUG_HANDLER(machine); 602 } 603 return NULL; 604 } 605 606 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 607 { 608 CPUState *cs = qemu_get_cpu(cpu_index); 609 610 s390_cpu_restart(S390_CPU(cs)); 611 } 612 613 static ram_addr_t s390_fixup_ram_size(ram_addr_t sz) 614 { 615 /* same logic as in sclp.c */ 616 int increment_size = 20; 617 ram_addr_t newsz; 618 619 while ((sz >> increment_size) > MAX_STORAGE_INCREMENTS) { 620 increment_size++; 621 } 622 newsz = sz >> increment_size << increment_size; 623 624 if (sz != newsz) { 625 qemu_printf("Ram size %" PRIu64 "MB was fixed up to %" PRIu64 626 "MB to match machine restrictions. Consider updating " 627 "the guest definition.\n", (uint64_t) (sz / MiB), 628 (uint64_t) (newsz / MiB)); 629 } 630 return newsz; 631 } 632 633 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 634 { 635 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 636 637 return ms->aes_key_wrap; 638 } 639 640 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 641 Error **errp) 642 { 643 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 644 645 ms->aes_key_wrap = value; 646 } 647 648 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 649 { 650 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 651 652 return ms->dea_key_wrap; 653 } 654 655 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 656 Error **errp) 657 { 658 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 659 660 ms->dea_key_wrap = value; 661 } 662 663 static S390CcwMachineClass *current_mc; 664 665 /* 666 * Get the class of the s390-ccw-virtio machine that is currently in use. 667 * Note: libvirt is using the "none" machine to probe for the features of the 668 * host CPU, so in case this is called with the "none" machine, the function 669 * returns the TYPE_S390_CCW_MACHINE base class. In this base class, all the 670 * various "*_allowed" variables are enabled, so that the *_allowed() wrappers 671 * below return the correct default value for the "none" machine. 672 * 673 * Attention! Do *not* add additional new wrappers for CPU features (e.g. like 674 * the ri_allowed() wrapper) via this mechanism anymore. CPU features should 675 * be handled via the CPU models, i.e. checking with cpu_model_allowed() during 676 * CPU initialization and s390_has_feat() later should be sufficient. 677 */ 678 static S390CcwMachineClass *get_machine_class(void) 679 { 680 if (unlikely(!current_mc)) { 681 /* 682 * No s390 ccw machine was instantiated, we are likely to 683 * be called for the 'none' machine. The properties will 684 * have their after-initialization values. 685 */ 686 current_mc = S390_CCW_MACHINE_CLASS( 687 object_class_by_name(TYPE_S390_CCW_MACHINE)); 688 } 689 return current_mc; 690 } 691 692 bool ri_allowed(void) 693 { 694 return get_machine_class()->ri_allowed; 695 } 696 697 bool cpu_model_allowed(void) 698 { 699 return get_machine_class()->cpu_model_allowed; 700 } 701 702 bool hpage_1m_allowed(void) 703 { 704 return get_machine_class()->hpage_1m_allowed; 705 } 706 707 static void machine_get_loadparm(Object *obj, Visitor *v, 708 const char *name, void *opaque, 709 Error **errp) 710 { 711 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 712 char *str = g_strndup((char *) ms->loadparm, sizeof(ms->loadparm)); 713 714 visit_type_str(v, name, &str, errp); 715 g_free(str); 716 } 717 718 static void machine_set_loadparm(Object *obj, Visitor *v, 719 const char *name, void *opaque, 720 Error **errp) 721 { 722 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 723 char *val; 724 int i; 725 726 if (!visit_type_str(v, name, &val, errp)) { 727 return; 728 } 729 730 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 731 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 732 733 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 734 (c == ' ')) { 735 ms->loadparm[i] = c; 736 } else { 737 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 738 c, c); 739 return; 740 } 741 } 742 743 for (; i < sizeof(ms->loadparm); i++) { 744 ms->loadparm[i] = ' '; /* pad right with spaces */ 745 } 746 } 747 748 static void ccw_machine_class_init(ObjectClass *oc, void *data) 749 { 750 MachineClass *mc = MACHINE_CLASS(oc); 751 NMIClass *nc = NMI_CLASS(oc); 752 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 753 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 754 755 s390mc->ri_allowed = true; 756 s390mc->cpu_model_allowed = true; 757 s390mc->css_migration_enabled = true; 758 s390mc->hpage_1m_allowed = true; 759 s390mc->max_threads = 1; 760 mc->init = ccw_init; 761 mc->reset = s390_machine_reset; 762 mc->block_default_type = IF_VIRTIO; 763 mc->no_cdrom = 1; 764 mc->no_floppy = 1; 765 mc->no_parallel = 1; 766 mc->no_sdcard = 1; 767 mc->max_cpus = S390_MAX_CPUS; 768 mc->has_hotpluggable_cpus = true; 769 mc->smp_props.books_supported = true; 770 mc->smp_props.drawers_supported = true; 771 assert(!mc->get_hotplug_handler); 772 mc->get_hotplug_handler = s390_get_hotplug_handler; 773 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 774 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 775 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 776 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 777 hc->plug = s390_machine_device_plug; 778 hc->unplug_request = s390_machine_device_unplug_request; 779 nc->nmi_monitor_handler = s390_nmi; 780 mc->default_ram_id = "s390.ram"; 781 mc->default_nic = "virtio-net-ccw"; 782 783 object_class_property_add_bool(oc, "aes-key-wrap", 784 machine_get_aes_key_wrap, 785 machine_set_aes_key_wrap); 786 object_class_property_set_description(oc, "aes-key-wrap", 787 "enable/disable AES key wrapping using the CPACF wrapping key"); 788 789 object_class_property_add_bool(oc, "dea-key-wrap", 790 machine_get_dea_key_wrap, 791 machine_set_dea_key_wrap); 792 object_class_property_set_description(oc, "dea-key-wrap", 793 "enable/disable DEA key wrapping using the CPACF wrapping key"); 794 795 object_class_property_add(oc, "loadparm", "loadparm", 796 machine_get_loadparm, machine_set_loadparm, 797 NULL, NULL); 798 object_class_property_set_description(oc, "loadparm", 799 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 800 " to upper case) to pass to machine loader, boot manager," 801 " and guest kernel"); 802 } 803 804 static inline void s390_machine_initfn(Object *obj) 805 { 806 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 807 808 ms->aes_key_wrap = true; 809 ms->dea_key_wrap = true; 810 } 811 812 static const TypeInfo ccw_machine_info = { 813 .name = TYPE_S390_CCW_MACHINE, 814 .parent = TYPE_MACHINE, 815 .abstract = true, 816 .instance_size = sizeof(S390CcwMachineState), 817 .instance_init = s390_machine_initfn, 818 .class_size = sizeof(S390CcwMachineClass), 819 .class_init = ccw_machine_class_init, 820 .interfaces = (InterfaceInfo[]) { 821 { TYPE_NMI }, 822 { TYPE_HOTPLUG_HANDLER}, 823 { } 824 }, 825 }; 826 827 bool css_migration_enabled(void) 828 { 829 return get_machine_class()->css_migration_enabled; 830 } 831 832 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 833 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 834 void *data) \ 835 { \ 836 MachineClass *mc = MACHINE_CLASS(oc); \ 837 ccw_machine_##suffix##_class_options(mc); \ 838 mc->desc = "Virtual s390x machine (version " verstr ")"; \ 839 if (latest) { \ 840 mc->alias = "s390-ccw-virtio"; \ 841 mc->is_default = true; \ 842 } \ 843 } \ 844 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 845 { \ 846 MachineState *machine = MACHINE(obj); \ 847 current_mc = S390_CCW_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 848 ccw_machine_##suffix##_instance_options(machine); \ 849 } \ 850 static const TypeInfo ccw_machine_##suffix##_info = { \ 851 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 852 .parent = TYPE_S390_CCW_MACHINE, \ 853 .class_init = ccw_machine_##suffix##_class_init, \ 854 .instance_init = ccw_machine_##suffix##_instance_init, \ 855 }; \ 856 static void ccw_machine_register_##suffix(void) \ 857 { \ 858 type_register_static(&ccw_machine_##suffix##_info); \ 859 } \ 860 type_init(ccw_machine_register_##suffix) 861 862 static void ccw_machine_9_0_instance_options(MachineState *machine) 863 { 864 } 865 866 static void ccw_machine_9_0_class_options(MachineClass *mc) 867 { 868 } 869 DEFINE_CCW_MACHINE(9_0, "9.0", true); 870 871 static void ccw_machine_8_2_instance_options(MachineState *machine) 872 { 873 ccw_machine_9_0_instance_options(machine); 874 } 875 876 static void ccw_machine_8_2_class_options(MachineClass *mc) 877 { 878 ccw_machine_9_0_class_options(mc); 879 compat_props_add(mc->compat_props, hw_compat_8_2, hw_compat_8_2_len); 880 } 881 DEFINE_CCW_MACHINE(8_2, "8.2", false); 882 883 static void ccw_machine_8_1_instance_options(MachineState *machine) 884 { 885 ccw_machine_8_2_instance_options(machine); 886 } 887 888 static void ccw_machine_8_1_class_options(MachineClass *mc) 889 { 890 ccw_machine_8_2_class_options(mc); 891 compat_props_add(mc->compat_props, hw_compat_8_1, hw_compat_8_1_len); 892 mc->smp_props.drawers_supported = false; 893 mc->smp_props.books_supported = false; 894 } 895 DEFINE_CCW_MACHINE(8_1, "8.1", false); 896 897 static void ccw_machine_8_0_instance_options(MachineState *machine) 898 { 899 ccw_machine_8_1_instance_options(machine); 900 } 901 902 static void ccw_machine_8_0_class_options(MachineClass *mc) 903 { 904 ccw_machine_8_1_class_options(mc); 905 compat_props_add(mc->compat_props, hw_compat_8_0, hw_compat_8_0_len); 906 } 907 DEFINE_CCW_MACHINE(8_0, "8.0", false); 908 909 static void ccw_machine_7_2_instance_options(MachineState *machine) 910 { 911 ccw_machine_8_0_instance_options(machine); 912 } 913 914 static void ccw_machine_7_2_class_options(MachineClass *mc) 915 { 916 ccw_machine_8_0_class_options(mc); 917 compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len); 918 } 919 DEFINE_CCW_MACHINE(7_2, "7.2", false); 920 921 static void ccw_machine_7_1_instance_options(MachineState *machine) 922 { 923 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V7_1 }; 924 925 ccw_machine_7_2_instance_options(machine); 926 s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAIE); 927 s390_set_qemu_cpu_model(0x8561, 15, 1, qemu_cpu_feat); 928 } 929 930 static void ccw_machine_7_1_class_options(MachineClass *mc) 931 { 932 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 933 static GlobalProperty compat[] = { 934 { TYPE_S390_PCI_DEVICE, "interpret", "off", }, 935 { TYPE_S390_PCI_DEVICE, "forwarding-assist", "off", }, 936 }; 937 938 ccw_machine_7_2_class_options(mc); 939 compat_props_add(mc->compat_props, hw_compat_7_1, hw_compat_7_1_len); 940 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 941 s390mc->max_threads = S390_MAX_CPUS; 942 } 943 DEFINE_CCW_MACHINE(7_1, "7.1", false); 944 945 static void ccw_machine_7_0_instance_options(MachineState *machine) 946 { 947 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V7_0 }; 948 949 ccw_machine_7_1_instance_options(machine); 950 s390_set_qemu_cpu_model(0x8561, 15, 1, qemu_cpu_feat); 951 } 952 953 static void ccw_machine_7_0_class_options(MachineClass *mc) 954 { 955 ccw_machine_7_1_class_options(mc); 956 compat_props_add(mc->compat_props, hw_compat_7_0, hw_compat_7_0_len); 957 } 958 DEFINE_CCW_MACHINE(7_0, "7.0", false); 959 960 static void ccw_machine_6_2_instance_options(MachineState *machine) 961 { 962 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_2 }; 963 964 ccw_machine_7_0_instance_options(machine); 965 s390_set_qemu_cpu_model(0x3906, 14, 2, qemu_cpu_feat); 966 } 967 968 static void ccw_machine_6_2_class_options(MachineClass *mc) 969 { 970 ccw_machine_7_0_class_options(mc); 971 compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len); 972 } 973 DEFINE_CCW_MACHINE(6_2, "6.2", false); 974 975 static void ccw_machine_6_1_instance_options(MachineState *machine) 976 { 977 ccw_machine_6_2_instance_options(machine); 978 s390_cpudef_featoff_greater(16, 1, S390_FEAT_NNPA); 979 s390_cpudef_featoff_greater(16, 1, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2); 980 s390_cpudef_featoff_greater(16, 1, S390_FEAT_BEAR_ENH); 981 s390_cpudef_featoff_greater(16, 1, S390_FEAT_RDP); 982 s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAI); 983 } 984 985 static void ccw_machine_6_1_class_options(MachineClass *mc) 986 { 987 ccw_machine_6_2_class_options(mc); 988 compat_props_add(mc->compat_props, hw_compat_6_1, hw_compat_6_1_len); 989 mc->smp_props.prefer_sockets = true; 990 } 991 DEFINE_CCW_MACHINE(6_1, "6.1", false); 992 993 static void ccw_machine_6_0_instance_options(MachineState *machine) 994 { 995 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_0 }; 996 997 ccw_machine_6_1_instance_options(machine); 998 s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); 999 } 1000 1001 static void ccw_machine_6_0_class_options(MachineClass *mc) 1002 { 1003 ccw_machine_6_1_class_options(mc); 1004 compat_props_add(mc->compat_props, hw_compat_6_0, hw_compat_6_0_len); 1005 } 1006 DEFINE_CCW_MACHINE(6_0, "6.0", false); 1007 1008 static void ccw_machine_5_2_instance_options(MachineState *machine) 1009 { 1010 ccw_machine_6_0_instance_options(machine); 1011 } 1012 1013 static void ccw_machine_5_2_class_options(MachineClass *mc) 1014 { 1015 ccw_machine_6_0_class_options(mc); 1016 compat_props_add(mc->compat_props, hw_compat_5_2, hw_compat_5_2_len); 1017 } 1018 DEFINE_CCW_MACHINE(5_2, "5.2", false); 1019 1020 static void ccw_machine_5_1_instance_options(MachineState *machine) 1021 { 1022 ccw_machine_5_2_instance_options(machine); 1023 } 1024 1025 static void ccw_machine_5_1_class_options(MachineClass *mc) 1026 { 1027 ccw_machine_5_2_class_options(mc); 1028 compat_props_add(mc->compat_props, hw_compat_5_1, hw_compat_5_1_len); 1029 } 1030 DEFINE_CCW_MACHINE(5_1, "5.1", false); 1031 1032 static void ccw_machine_5_0_instance_options(MachineState *machine) 1033 { 1034 ccw_machine_5_1_instance_options(machine); 1035 } 1036 1037 static void ccw_machine_5_0_class_options(MachineClass *mc) 1038 { 1039 ccw_machine_5_1_class_options(mc); 1040 compat_props_add(mc->compat_props, hw_compat_5_0, hw_compat_5_0_len); 1041 } 1042 DEFINE_CCW_MACHINE(5_0, "5.0", false); 1043 1044 static void ccw_machine_4_2_instance_options(MachineState *machine) 1045 { 1046 ccw_machine_5_0_instance_options(machine); 1047 } 1048 1049 static void ccw_machine_4_2_class_options(MachineClass *mc) 1050 { 1051 ccw_machine_5_0_class_options(mc); 1052 mc->fixup_ram_size = s390_fixup_ram_size; 1053 compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len); 1054 } 1055 DEFINE_CCW_MACHINE(4_2, "4.2", false); 1056 1057 static void ccw_machine_4_1_instance_options(MachineState *machine) 1058 { 1059 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 }; 1060 ccw_machine_4_2_instance_options(machine); 1061 s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); 1062 } 1063 1064 static void ccw_machine_4_1_class_options(MachineClass *mc) 1065 { 1066 ccw_machine_4_2_class_options(mc); 1067 compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len); 1068 } 1069 DEFINE_CCW_MACHINE(4_1, "4.1", false); 1070 1071 static void ccw_machine_4_0_instance_options(MachineState *machine) 1072 { 1073 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 1074 ccw_machine_4_1_instance_options(machine); 1075 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 1076 } 1077 1078 static void ccw_machine_4_0_class_options(MachineClass *mc) 1079 { 1080 ccw_machine_4_1_class_options(mc); 1081 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 1082 } 1083 DEFINE_CCW_MACHINE(4_0, "4.0", false); 1084 1085 static void ccw_machine_3_1_instance_options(MachineState *machine) 1086 { 1087 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 1088 ccw_machine_4_0_instance_options(machine); 1089 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 1090 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 1091 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 1092 } 1093 1094 static void ccw_machine_3_1_class_options(MachineClass *mc) 1095 { 1096 ccw_machine_4_0_class_options(mc); 1097 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 1098 } 1099 DEFINE_CCW_MACHINE(3_1, "3.1", false); 1100 1101 static void ccw_machine_3_0_instance_options(MachineState *machine) 1102 { 1103 ccw_machine_3_1_instance_options(machine); 1104 } 1105 1106 static void ccw_machine_3_0_class_options(MachineClass *mc) 1107 { 1108 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1109 1110 s390mc->hpage_1m_allowed = false; 1111 ccw_machine_3_1_class_options(mc); 1112 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 1113 } 1114 DEFINE_CCW_MACHINE(3_0, "3.0", false); 1115 1116 static void ccw_machine_2_12_instance_options(MachineState *machine) 1117 { 1118 ccw_machine_3_0_instance_options(machine); 1119 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 1120 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 1121 } 1122 1123 static void ccw_machine_2_12_class_options(MachineClass *mc) 1124 { 1125 ccw_machine_3_0_class_options(mc); 1126 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 1127 } 1128 DEFINE_CCW_MACHINE(2_12, "2.12", false); 1129 1130 static void ccw_machine_2_11_instance_options(MachineState *machine) 1131 { 1132 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 1133 ccw_machine_2_12_instance_options(machine); 1134 1135 /* before 2.12 we emulated the very first z900 */ 1136 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 1137 } 1138 1139 static void ccw_machine_2_11_class_options(MachineClass *mc) 1140 { 1141 static GlobalProperty compat[] = { 1142 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 1143 }; 1144 1145 ccw_machine_2_12_class_options(mc); 1146 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 1147 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1148 } 1149 DEFINE_CCW_MACHINE(2_11, "2.11", false); 1150 1151 static void ccw_machine_2_10_instance_options(MachineState *machine) 1152 { 1153 ccw_machine_2_11_instance_options(machine); 1154 } 1155 1156 static void ccw_machine_2_10_class_options(MachineClass *mc) 1157 { 1158 ccw_machine_2_11_class_options(mc); 1159 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 1160 } 1161 DEFINE_CCW_MACHINE(2_10, "2.10", false); 1162 1163 static void ccw_machine_2_9_instance_options(MachineState *machine) 1164 { 1165 ccw_machine_2_10_instance_options(machine); 1166 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 1167 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 1168 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 1169 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 1170 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 1171 } 1172 1173 static void ccw_machine_2_9_class_options(MachineClass *mc) 1174 { 1175 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1176 static GlobalProperty compat[] = { 1177 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 1178 }; 1179 1180 ccw_machine_2_10_class_options(mc); 1181 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 1182 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1183 s390mc->css_migration_enabled = false; 1184 } 1185 DEFINE_CCW_MACHINE(2_9, "2.9", false); 1186 1187 static void ccw_machine_2_8_instance_options(MachineState *machine) 1188 { 1189 ccw_machine_2_9_instance_options(machine); 1190 } 1191 1192 static void ccw_machine_2_8_class_options(MachineClass *mc) 1193 { 1194 static GlobalProperty compat[] = { 1195 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 1196 }; 1197 1198 ccw_machine_2_9_class_options(mc); 1199 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 1200 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1201 } 1202 DEFINE_CCW_MACHINE(2_8, "2.8", false); 1203 1204 static void ccw_machine_2_7_instance_options(MachineState *machine) 1205 { 1206 ccw_machine_2_8_instance_options(machine); 1207 } 1208 1209 static void ccw_machine_2_7_class_options(MachineClass *mc) 1210 { 1211 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1212 1213 s390mc->cpu_model_allowed = false; 1214 ccw_machine_2_8_class_options(mc); 1215 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 1216 } 1217 DEFINE_CCW_MACHINE(2_7, "2.7", false); 1218 1219 static void ccw_machine_2_6_instance_options(MachineState *machine) 1220 { 1221 ccw_machine_2_7_instance_options(machine); 1222 } 1223 1224 static void ccw_machine_2_6_class_options(MachineClass *mc) 1225 { 1226 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1227 static GlobalProperty compat[] = { 1228 { TYPE_S390_IPL, "iplbext_migration", "off", }, 1229 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 1230 }; 1231 1232 s390mc->ri_allowed = false; 1233 ccw_machine_2_7_class_options(mc); 1234 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 1235 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1236 } 1237 DEFINE_CCW_MACHINE(2_6, "2.6", false); 1238 1239 static void ccw_machine_2_5_instance_options(MachineState *machine) 1240 { 1241 ccw_machine_2_6_instance_options(machine); 1242 } 1243 1244 static void ccw_machine_2_5_class_options(MachineClass *mc) 1245 { 1246 ccw_machine_2_6_class_options(mc); 1247 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 1248 } 1249 DEFINE_CCW_MACHINE(2_5, "2.5", false); 1250 1251 static void ccw_machine_2_4_instance_options(MachineState *machine) 1252 { 1253 ccw_machine_2_5_instance_options(machine); 1254 } 1255 1256 static void ccw_machine_2_4_class_options(MachineClass *mc) 1257 { 1258 static GlobalProperty compat[] = { 1259 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 1260 { "virtio-blk-ccw", "max_revision", "0", }, 1261 { "virtio-balloon-ccw", "max_revision", "0", }, 1262 { "virtio-serial-ccw", "max_revision", "0", }, 1263 { "virtio-9p-ccw", "max_revision", "0", }, 1264 { "virtio-rng-ccw", "max_revision", "0", }, 1265 { "virtio-net-ccw", "max_revision", "0", }, 1266 { "virtio-scsi-ccw", "max_revision", "0", }, 1267 { "vhost-scsi-ccw", "max_revision", "0", }, 1268 }; 1269 1270 ccw_machine_2_5_class_options(mc); 1271 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 1272 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1273 } 1274 DEFINE_CCW_MACHINE(2_4, "2.4", false); 1275 1276 static void ccw_machine_register_types(void) 1277 { 1278 type_register_static(&ccw_machine_info); 1279 } 1280 1281 type_init(ccw_machine_register_types) 1282