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 "exec/confidential-guest-support.h" 18 #include "hw/boards.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 "qemu/qemu-print.h" 30 #include "qemu/units.h" 31 #include "hw/s390x/s390-pci-bus.h" 32 #include "sysemu/reset.h" 33 #include "hw/s390x/storage-keys.h" 34 #include "hw/s390x/storage-attributes.h" 35 #include "hw/s390x/event-facility.h" 36 #include "ipl.h" 37 #include "hw/s390x/s390-virtio-ccw.h" 38 #include "hw/s390x/css-bridge.h" 39 #include "hw/s390x/ap-bridge.h" 40 #include "migration/register.h" 41 #include "cpu_models.h" 42 #include "hw/nmi.h" 43 #include "hw/qdev-properties.h" 44 #include "hw/s390x/tod.h" 45 #include "sysemu/sysemu.h" 46 #include "sysemu/cpus.h" 47 #include "target/s390x/kvm/pv.h" 48 #include "migration/blocker.h" 49 #include "qapi/visitor.h" 50 #include "hw/s390x/cpu-topology.h" 51 #include CONFIG_DEVICES 52 53 static Error *pv_mig_blocker; 54 55 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 56 Error **errp) 57 { 58 S390CPU *cpu = S390_CPU(object_new(typename)); 59 S390CPU *ret = NULL; 60 61 if (!object_property_set_int(OBJECT(cpu), "core-id", core_id, errp)) { 62 goto out; 63 } 64 if (!qdev_realize(DEVICE(cpu), NULL, errp)) { 65 goto out; 66 } 67 ret = cpu; 68 69 out: 70 object_unref(OBJECT(cpu)); 71 return ret; 72 } 73 74 static void s390_init_cpus(MachineState *machine) 75 { 76 MachineClass *mc = MACHINE_GET_CLASS(machine); 77 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 78 int i; 79 80 if (machine->smp.threads > s390mc->max_threads) { 81 error_report("S390 does not support more than %d threads.", 82 s390mc->max_threads); 83 exit(1); 84 } 85 86 /* initialize possible_cpus */ 87 mc->possible_cpu_arch_ids(machine); 88 89 for (i = 0; i < machine->smp.cpus; i++) { 90 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 91 } 92 } 93 94 static const char *const reset_dev_types[] = { 95 TYPE_VIRTUAL_CSS_BRIDGE, 96 "s390-sclp-event-facility", 97 "s390-flic", 98 "diag288", 99 TYPE_S390_PCI_HOST_BRIDGE, 100 TYPE_AP_BRIDGE, 101 }; 102 103 static void subsystem_reset(void) 104 { 105 DeviceState *dev; 106 int i; 107 108 /* 109 * ISM firmware is sensitive to unexpected changes to the IOMMU, which can 110 * occur during reset of the vfio-pci device (unmap of entire aperture). 111 * Ensure any passthrough ISM devices are reset now, while CPUs are paused 112 * but before vfio-pci cleanup occurs. 113 */ 114 s390_pci_ism_reset(); 115 116 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 117 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 118 if (dev) { 119 device_cold_reset(dev); 120 } 121 } 122 if (s390_has_topology()) { 123 s390_topology_reset(); 124 } 125 } 126 127 static int virtio_ccw_hcall_notify(const uint64_t *args) 128 { 129 uint64_t subch_id = args[0]; 130 uint64_t data = args[1]; 131 SubchDev *sch; 132 VirtIODevice *vdev; 133 int cssid, ssid, schid, m; 134 uint16_t vq_idx = data; 135 136 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 137 return -EINVAL; 138 } 139 sch = css_find_subch(m, cssid, ssid, schid); 140 if (!sch || !css_subch_visible(sch)) { 141 return -EINVAL; 142 } 143 144 vdev = virtio_ccw_get_vdev(sch); 145 if (vq_idx >= VIRTIO_QUEUE_MAX || !virtio_queue_get_num(vdev, vq_idx)) { 146 return -EINVAL; 147 } 148 149 if (virtio_vdev_has_feature(vdev, VIRTIO_F_NOTIFICATION_DATA)) { 150 virtio_queue_set_shadow_avail_idx(virtio_get_queue(vdev, vq_idx), 151 (data >> 16) & 0xFFFF); 152 } 153 154 virtio_queue_notify(vdev, vq_idx); 155 return 0; 156 } 157 158 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 159 { 160 uint64_t mem = args[0]; 161 MachineState *ms = MACHINE(qdev_get_machine()); 162 163 if (mem < ms->ram_size) { 164 /* Early printk */ 165 return 0; 166 } 167 return -EINVAL; 168 } 169 170 static void virtio_ccw_register_hcalls(void) 171 { 172 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 173 virtio_ccw_hcall_notify); 174 /* Tolerate early printk. */ 175 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 176 virtio_ccw_hcall_early_printk); 177 } 178 179 static void s390_memory_init(MemoryRegion *ram) 180 { 181 MemoryRegion *sysmem = get_system_memory(); 182 183 /* allocate RAM for core */ 184 memory_region_add_subregion(sysmem, 0, ram); 185 186 /* 187 * Configure the maximum page size. As no memory devices were created 188 * yet, this is the page size of initial memory only. 189 */ 190 s390_set_max_pagesize(qemu_maxrampagesize(), &error_fatal); 191 /* Initialize storage key device */ 192 s390_skeys_init(); 193 /* Initialize storage attributes device */ 194 s390_stattrib_init(); 195 } 196 197 static void s390_init_ipl_dev(const char *kernel_filename, 198 const char *kernel_cmdline, 199 const char *initrd_filename, const char *firmware, 200 const char *netboot_fw, bool enforce_bios) 201 { 202 Object *new = object_new(TYPE_S390_IPL); 203 DeviceState *dev = DEVICE(new); 204 char *netboot_fw_prop; 205 206 if (kernel_filename) { 207 qdev_prop_set_string(dev, "kernel", kernel_filename); 208 } 209 if (initrd_filename) { 210 qdev_prop_set_string(dev, "initrd", initrd_filename); 211 } 212 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 213 qdev_prop_set_string(dev, "firmware", firmware); 214 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 215 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 216 if (!strlen(netboot_fw_prop)) { 217 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 218 } 219 g_free(netboot_fw_prop); 220 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 221 new); 222 object_unref(new); 223 qdev_realize(dev, NULL, &error_fatal); 224 } 225 226 static void s390_create_virtio_net(BusState *bus, const char *name) 227 { 228 DeviceState *dev; 229 int cnt = 0; 230 231 while ((dev = qemu_create_nic_device(name, true, "virtio"))) { 232 g_autofree char *childname = g_strdup_printf("%s[%d]", name, cnt++); 233 object_property_add_child(OBJECT(bus), childname, OBJECT(dev)); 234 qdev_realize_and_unref(dev, bus, &error_fatal); 235 } 236 } 237 238 static void s390_create_sclpconsole(SCLPDevice *sclp, 239 const char *type, Chardev *chardev) 240 { 241 SCLPEventFacility *ef = sclp->event_facility; 242 BusState *ev_fac_bus = sclp_get_event_facility_bus(ef); 243 DeviceState *dev; 244 245 dev = qdev_new(type); 246 object_property_add_child(OBJECT(ef), type, OBJECT(dev)); 247 qdev_prop_set_chr(dev, "chardev", chardev); 248 qdev_realize_and_unref(dev, ev_fac_bus, &error_fatal); 249 } 250 251 static void ccw_init(MachineState *machine) 252 { 253 MachineClass *mc = MACHINE_GET_CLASS(machine); 254 S390CcwMachineState *ms = S390_CCW_MACHINE(machine); 255 int ret; 256 VirtualCssBus *css_bus; 257 DeviceState *dev; 258 259 ms->sclp = SCLP(object_new(TYPE_SCLP)); 260 object_property_add_child(OBJECT(machine), TYPE_SCLP, OBJECT(ms->sclp)); 261 qdev_realize_and_unref(DEVICE(ms->sclp), NULL, &error_fatal); 262 263 /* init memory + setup max page size. Required for the CPU model */ 264 s390_memory_init(machine->ram); 265 266 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 267 s390_init_cpus(machine); 268 269 /* Need CPU model to be determined before we can set up PV */ 270 if (machine->cgs) { 271 confidential_guest_kvm_init(machine->cgs, &error_fatal); 272 } 273 274 s390_flic_init(); 275 276 /* init the SIGP facility */ 277 s390_init_sigp(); 278 279 /* create AP bridge and bus(es) */ 280 s390_init_ap(); 281 282 /* get a BUS */ 283 css_bus = virtual_css_bus_init(); 284 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 285 machine->initrd_filename, 286 machine->firmware ?: "s390-ccw.img", 287 "s390-netboot.img", true); 288 289 dev = qdev_new(TYPE_S390_PCI_HOST_BRIDGE); 290 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 291 OBJECT(dev)); 292 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 293 294 /* register hypercalls */ 295 virtio_ccw_register_hcalls(); 296 297 s390_enable_css_support(s390_cpu_addr2state(0)); 298 299 ret = css_create_css_image(VIRTUAL_CSSID, true); 300 assert(ret == 0); 301 302 css_register_vmstate(); 303 304 /* Create VirtIO network adapters */ 305 s390_create_virtio_net(BUS(css_bus), mc->default_nic); 306 307 /* init consoles */ 308 if (serial_hd(0)) { 309 s390_create_sclpconsole(ms->sclp, "sclpconsole", serial_hd(0)); 310 } 311 if (serial_hd(1)) { 312 s390_create_sclpconsole(ms->sclp, "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 ERRP_GUARD(); 323 MachineState *ms = MACHINE(hotplug_dev); 324 S390CPU *cpu = S390_CPU(dev); 325 326 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 327 ms->possible_cpus->cpus[cpu->env.core_id].cpu = CPU(dev); 328 329 if (s390_has_topology()) { 330 s390_topology_setup_cpu(ms, cpu, errp); 331 if (*errp) { 332 return; 333 } 334 } 335 336 if (dev->hotplugged) { 337 raise_irq_cpu_hotplug(); 338 } 339 } 340 341 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 342 { 343 S390CPU *cpu = S390_CPU(cs); 344 345 s390_ipl_prepare_cpu(cpu); 346 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 347 } 348 349 static void s390_machine_unprotect(S390CcwMachineState *ms) 350 { 351 if (!s390_pv_vm_try_disable_async(ms)) { 352 s390_pv_vm_disable(); 353 } 354 ms->pv = false; 355 migrate_del_blocker(&pv_mig_blocker); 356 ram_block_discard_disable(false); 357 } 358 359 static int s390_machine_protect(S390CcwMachineState *ms) 360 { 361 Error *local_err = NULL; 362 int rc; 363 364 /* 365 * Discarding of memory in RAM blocks does not work as expected with 366 * protected VMs. Sharing and unsharing pages would be required. Disable 367 * it for now, until until we have a solution to make at least Linux 368 * guests either support it (e.g., virtio-balloon) or fail gracefully. 369 */ 370 rc = ram_block_discard_disable(true); 371 if (rc) { 372 error_report("protected VMs: cannot disable RAM discard"); 373 return rc; 374 } 375 376 error_setg(&pv_mig_blocker, 377 "protected VMs are currently not migratable."); 378 rc = migrate_add_blocker(&pv_mig_blocker, &local_err); 379 if (rc) { 380 ram_block_discard_disable(false); 381 error_report_err(local_err); 382 return rc; 383 } 384 385 /* Create SE VM */ 386 rc = s390_pv_vm_enable(); 387 if (rc) { 388 ram_block_discard_disable(false); 389 migrate_del_blocker(&pv_mig_blocker); 390 return rc; 391 } 392 393 ms->pv = true; 394 395 /* Will return 0 if API is not available since it's not vital */ 396 rc = s390_pv_query_info(); 397 if (rc) { 398 goto out_err; 399 } 400 401 /* Set SE header and unpack */ 402 rc = s390_ipl_prepare_pv_header(&local_err); 403 if (rc) { 404 goto out_err; 405 } 406 407 /* Decrypt image */ 408 rc = s390_ipl_pv_unpack(); 409 if (rc) { 410 goto out_err; 411 } 412 413 /* Verify integrity */ 414 rc = s390_pv_verify(); 415 if (rc) { 416 goto out_err; 417 } 418 return rc; 419 420 out_err: 421 if (local_err) { 422 error_report_err(local_err); 423 } 424 s390_machine_unprotect(ms); 425 return rc; 426 } 427 428 static void s390_pv_prepare_reset(S390CcwMachineState *ms) 429 { 430 CPUState *cs; 431 432 if (!s390_is_pv()) { 433 return; 434 } 435 /* Unsharing requires all cpus to be stopped */ 436 CPU_FOREACH(cs) { 437 s390_cpu_set_state(S390_CPU_STATE_STOPPED, S390_CPU(cs)); 438 } 439 s390_pv_unshare(); 440 s390_pv_prep_reset(); 441 } 442 443 static void s390_machine_reset(MachineState *machine, ShutdownCause reason) 444 { 445 S390CcwMachineState *ms = S390_CCW_MACHINE(machine); 446 enum s390_reset reset_type; 447 CPUState *cs, *t; 448 S390CPU *cpu; 449 450 /* get the reset parameters, reset them once done */ 451 s390_ipl_get_reset_request(&cs, &reset_type); 452 453 /* all CPUs are paused and synchronized at this point */ 454 s390_cmma_reset(); 455 456 cpu = S390_CPU(cs); 457 458 switch (reset_type) { 459 case S390_RESET_EXTERNAL: 460 case S390_RESET_REIPL: 461 /* 462 * Reset the subsystem which includes a AP reset. If a PV 463 * guest had APQNs attached the AP reset is a prerequisite to 464 * unprotecting since the UV checks if all APQNs are reset. 465 */ 466 subsystem_reset(); 467 if (s390_is_pv()) { 468 s390_machine_unprotect(ms); 469 } 470 471 /* 472 * Device reset includes CPU clear resets so this has to be 473 * done AFTER the unprotect call above. 474 */ 475 qemu_devices_reset(reason); 476 s390_crypto_reset(); 477 478 /* configure and start the ipl CPU only */ 479 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 480 break; 481 case S390_RESET_MODIFIED_CLEAR: 482 /* 483 * Subsystem reset needs to be done before we unshare memory 484 * and lose access to VIRTIO structures in guest memory. 485 */ 486 subsystem_reset(); 487 s390_crypto_reset(); 488 s390_pv_prepare_reset(ms); 489 CPU_FOREACH(t) { 490 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 491 } 492 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 493 break; 494 case S390_RESET_LOAD_NORMAL: 495 /* 496 * Subsystem reset needs to be done before we unshare memory 497 * and lose access to VIRTIO structures in guest memory. 498 */ 499 subsystem_reset(); 500 s390_pv_prepare_reset(ms); 501 CPU_FOREACH(t) { 502 if (t == cs) { 503 continue; 504 } 505 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 506 } 507 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 508 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 509 break; 510 case S390_RESET_PV: /* Subcode 10 */ 511 subsystem_reset(); 512 s390_crypto_reset(); 513 514 CPU_FOREACH(t) { 515 if (t == cs) { 516 continue; 517 } 518 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 519 } 520 run_on_cpu(cs, s390_do_cpu_reset, RUN_ON_CPU_NULL); 521 522 if (s390_machine_protect(ms)) { 523 s390_pv_inject_reset_error(cs); 524 /* 525 * Continue after the diag308 so the guest knows something 526 * went wrong. 527 */ 528 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 529 return; 530 } 531 532 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 533 break; 534 default: 535 g_assert_not_reached(); 536 } 537 538 CPU_FOREACH(t) { 539 run_on_cpu(t, s390_do_cpu_set_diag318, RUN_ON_CPU_HOST_ULONG(0)); 540 } 541 s390_ipl_clear_reset_request(); 542 } 543 544 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 545 DeviceState *dev, Error **errp) 546 { 547 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 548 s390_cpu_plug(hotplug_dev, dev, errp); 549 } 550 } 551 552 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 553 DeviceState *dev, Error **errp) 554 { 555 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 556 error_setg(errp, "CPU hot unplug not supported on this machine"); 557 return; 558 } 559 } 560 561 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 562 unsigned cpu_index) 563 { 564 MachineClass *mc = MACHINE_GET_CLASS(ms); 565 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 566 567 assert(cpu_index < possible_cpus->len); 568 return possible_cpus->cpus[cpu_index].props; 569 } 570 571 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 572 { 573 int i; 574 unsigned int max_cpus = ms->smp.max_cpus; 575 576 if (ms->possible_cpus) { 577 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 578 return ms->possible_cpus; 579 } 580 581 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 582 sizeof(CPUArchId) * max_cpus); 583 ms->possible_cpus->len = max_cpus; 584 for (i = 0; i < ms->possible_cpus->len; i++) { 585 CpuInstanceProperties *props = &ms->possible_cpus->cpus[i].props; 586 587 ms->possible_cpus->cpus[i].type = ms->cpu_type; 588 ms->possible_cpus->cpus[i].vcpus_count = 1; 589 ms->possible_cpus->cpus[i].arch_id = i; 590 591 props->has_core_id = true; 592 props->core_id = i; 593 props->has_socket_id = true; 594 props->socket_id = s390_std_socket(i, &ms->smp); 595 props->has_book_id = true; 596 props->book_id = s390_std_book(i, &ms->smp); 597 props->has_drawer_id = true; 598 props->drawer_id = s390_std_drawer(i, &ms->smp); 599 } 600 601 return ms->possible_cpus; 602 } 603 604 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 605 DeviceState *dev) 606 { 607 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 608 return HOTPLUG_HANDLER(machine); 609 } 610 return NULL; 611 } 612 613 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 614 { 615 CPUState *cs = qemu_get_cpu(cpu_index); 616 617 s390_cpu_restart(S390_CPU(cs)); 618 } 619 620 static ram_addr_t s390_fixup_ram_size(ram_addr_t sz) 621 { 622 /* same logic as in sclp.c */ 623 int increment_size = 20; 624 ram_addr_t newsz; 625 626 while ((sz >> increment_size) > MAX_STORAGE_INCREMENTS) { 627 increment_size++; 628 } 629 newsz = sz >> increment_size << increment_size; 630 631 if (sz != newsz) { 632 qemu_printf("Ram size %" PRIu64 "MB was fixed up to %" PRIu64 633 "MB to match machine restrictions. Consider updating " 634 "the guest definition.\n", (uint64_t) (sz / MiB), 635 (uint64_t) (newsz / MiB)); 636 } 637 return newsz; 638 } 639 640 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 641 { 642 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 643 644 return ms->aes_key_wrap; 645 } 646 647 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 648 Error **errp) 649 { 650 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 651 652 ms->aes_key_wrap = value; 653 } 654 655 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 656 { 657 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 658 659 return ms->dea_key_wrap; 660 } 661 662 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 663 Error **errp) 664 { 665 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 666 667 ms->dea_key_wrap = value; 668 } 669 670 static S390CcwMachineClass *current_mc; 671 672 /* 673 * Get the class of the s390-ccw-virtio machine that is currently in use. 674 * Note: libvirt is using the "none" machine to probe for the features of the 675 * host CPU, so in case this is called with the "none" machine, the function 676 * returns the TYPE_S390_CCW_MACHINE base class. In this base class, all the 677 * various "*_allowed" variables are enabled, so that the *_allowed() wrappers 678 * below return the correct default value for the "none" machine. 679 * 680 * Attention! Do *not* add additional new wrappers for CPU features (e.g. like 681 * the ri_allowed() wrapper) via this mechanism anymore. CPU features should 682 * be handled via the CPU models, i.e. checking with cpu_model_allowed() during 683 * CPU initialization and s390_has_feat() later should be sufficient. 684 */ 685 static S390CcwMachineClass *get_machine_class(void) 686 { 687 if (unlikely(!current_mc)) { 688 /* 689 * No s390 ccw machine was instantiated, we are likely to 690 * be called for the 'none' machine. The properties will 691 * have their after-initialization values. 692 */ 693 current_mc = S390_CCW_MACHINE_CLASS( 694 object_class_by_name(TYPE_S390_CCW_MACHINE)); 695 } 696 return current_mc; 697 } 698 699 bool ri_allowed(void) 700 { 701 return get_machine_class()->ri_allowed; 702 } 703 704 bool cpu_model_allowed(void) 705 { 706 return get_machine_class()->cpu_model_allowed; 707 } 708 709 bool hpage_1m_allowed(void) 710 { 711 return get_machine_class()->hpage_1m_allowed; 712 } 713 714 static void machine_get_loadparm(Object *obj, Visitor *v, 715 const char *name, void *opaque, 716 Error **errp) 717 { 718 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 719 char *str = g_strndup((char *) ms->loadparm, sizeof(ms->loadparm)); 720 721 visit_type_str(v, name, &str, errp); 722 g_free(str); 723 } 724 725 static void machine_set_loadparm(Object *obj, Visitor *v, 726 const char *name, void *opaque, 727 Error **errp) 728 { 729 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 730 char *val; 731 int i; 732 733 if (!visit_type_str(v, name, &val, errp)) { 734 return; 735 } 736 737 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 738 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 739 740 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 741 (c == ' ')) { 742 ms->loadparm[i] = c; 743 } else { 744 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 745 c, c); 746 return; 747 } 748 } 749 750 for (; i < sizeof(ms->loadparm); i++) { 751 ms->loadparm[i] = ' '; /* pad right with spaces */ 752 } 753 } 754 755 static void ccw_machine_class_init(ObjectClass *oc, void *data) 756 { 757 MachineClass *mc = MACHINE_CLASS(oc); 758 NMIClass *nc = NMI_CLASS(oc); 759 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 760 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 761 762 s390mc->ri_allowed = true; 763 s390mc->cpu_model_allowed = true; 764 s390mc->hpage_1m_allowed = true; 765 s390mc->max_threads = 1; 766 mc->init = ccw_init; 767 mc->reset = s390_machine_reset; 768 mc->block_default_type = IF_VIRTIO; 769 mc->no_cdrom = 1; 770 mc->no_floppy = 1; 771 mc->no_parallel = 1; 772 mc->no_sdcard = 1; 773 mc->max_cpus = S390_MAX_CPUS; 774 mc->has_hotpluggable_cpus = true; 775 mc->smp_props.books_supported = true; 776 mc->smp_props.drawers_supported = true; 777 assert(!mc->get_hotplug_handler); 778 mc->get_hotplug_handler = s390_get_hotplug_handler; 779 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 780 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 781 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 782 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 783 hc->plug = s390_machine_device_plug; 784 hc->unplug_request = s390_machine_device_unplug_request; 785 nc->nmi_monitor_handler = s390_nmi; 786 mc->default_ram_id = "s390.ram"; 787 mc->default_nic = "virtio-net-ccw"; 788 789 object_class_property_add_bool(oc, "aes-key-wrap", 790 machine_get_aes_key_wrap, 791 machine_set_aes_key_wrap); 792 object_class_property_set_description(oc, "aes-key-wrap", 793 "enable/disable AES key wrapping using the CPACF wrapping key"); 794 795 object_class_property_add_bool(oc, "dea-key-wrap", 796 machine_get_dea_key_wrap, 797 machine_set_dea_key_wrap); 798 object_class_property_set_description(oc, "dea-key-wrap", 799 "enable/disable DEA key wrapping using the CPACF wrapping key"); 800 801 object_class_property_add(oc, "loadparm", "loadparm", 802 machine_get_loadparm, machine_set_loadparm, 803 NULL, NULL); 804 object_class_property_set_description(oc, "loadparm", 805 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 806 " to upper case) to pass to machine loader, boot manager," 807 " and guest kernel"); 808 } 809 810 static inline void s390_machine_initfn(Object *obj) 811 { 812 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 813 814 ms->aes_key_wrap = true; 815 ms->dea_key_wrap = true; 816 } 817 818 static const TypeInfo ccw_machine_info = { 819 .name = TYPE_S390_CCW_MACHINE, 820 .parent = TYPE_MACHINE, 821 .abstract = true, 822 .instance_size = sizeof(S390CcwMachineState), 823 .instance_init = s390_machine_initfn, 824 .class_size = sizeof(S390CcwMachineClass), 825 .class_init = ccw_machine_class_init, 826 .interfaces = (InterfaceInfo[]) { 827 { TYPE_NMI }, 828 { TYPE_HOTPLUG_HANDLER}, 829 { } 830 }, 831 }; 832 833 #define DEFINE_CCW_MACHINE_IMPL(latest, ...) \ 834 static void MACHINE_VER_SYM(class_init, ccw, __VA_ARGS__)( \ 835 ObjectClass *oc, \ 836 void *data) \ 837 { \ 838 MachineClass *mc = MACHINE_CLASS(oc); \ 839 MACHINE_VER_SYM(class_options, ccw, __VA_ARGS__)(mc); \ 840 mc->desc = "Virtual s390x machine (version " MACHINE_VER_STR(__VA_ARGS__) ")"; \ 841 MACHINE_VER_DEPRECATION(__VA_ARGS__); \ 842 if (latest) { \ 843 mc->alias = "s390-ccw-virtio"; \ 844 mc->is_default = true; \ 845 } \ 846 } \ 847 static void MACHINE_VER_SYM(instance_init, ccw, __VA_ARGS__)(Object *obj) \ 848 { \ 849 MachineState *machine = MACHINE(obj); \ 850 current_mc = S390_CCW_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 851 MACHINE_VER_SYM(instance_options, ccw, __VA_ARGS__)(machine); \ 852 } \ 853 static const TypeInfo MACHINE_VER_SYM(info, ccw, __VA_ARGS__) = \ 854 { \ 855 .name = MACHINE_VER_TYPE_NAME("s390-ccw-virtio", __VA_ARGS__), \ 856 .parent = TYPE_S390_CCW_MACHINE, \ 857 .class_init = MACHINE_VER_SYM(class_init, ccw, __VA_ARGS__), \ 858 .instance_init = MACHINE_VER_SYM(instance_init, ccw, __VA_ARGS__), \ 859 }; \ 860 static void MACHINE_VER_SYM(register, ccw, __VA_ARGS__)(void) \ 861 { \ 862 MACHINE_VER_DELETION(__VA_ARGS__); \ 863 type_register_static(&MACHINE_VER_SYM(info, ccw, __VA_ARGS__)); \ 864 } \ 865 type_init(MACHINE_VER_SYM(register, ccw, __VA_ARGS__)) 866 867 #define DEFINE_CCW_MACHINE_AS_LATEST(major, minor) \ 868 DEFINE_CCW_MACHINE_IMPL(true, major, minor) 869 870 #define DEFINE_CCW_MACHINE(major, minor) \ 871 DEFINE_CCW_MACHINE_IMPL(false, major, minor) 872 873 874 static void ccw_machine_9_1_instance_options(MachineState *machine) 875 { 876 } 877 878 static void ccw_machine_9_1_class_options(MachineClass *mc) 879 { 880 } 881 DEFINE_CCW_MACHINE_AS_LATEST(9, 1); 882 883 static void ccw_machine_9_0_instance_options(MachineState *machine) 884 { 885 ccw_machine_9_1_instance_options(machine); 886 } 887 888 static void ccw_machine_9_0_class_options(MachineClass *mc) 889 { 890 static GlobalProperty compat[] = { 891 { TYPE_QEMU_S390_FLIC, "migrate-all-state", "off", }, 892 }; 893 894 ccw_machine_9_1_class_options(mc); 895 compat_props_add(mc->compat_props, hw_compat_9_0, hw_compat_9_0_len); 896 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 897 } 898 DEFINE_CCW_MACHINE(9, 0); 899 900 static void ccw_machine_8_2_instance_options(MachineState *machine) 901 { 902 ccw_machine_9_0_instance_options(machine); 903 } 904 905 static void ccw_machine_8_2_class_options(MachineClass *mc) 906 { 907 ccw_machine_9_0_class_options(mc); 908 compat_props_add(mc->compat_props, hw_compat_8_2, hw_compat_8_2_len); 909 } 910 DEFINE_CCW_MACHINE(8, 2); 911 912 static void ccw_machine_8_1_instance_options(MachineState *machine) 913 { 914 ccw_machine_8_2_instance_options(machine); 915 } 916 917 static void ccw_machine_8_1_class_options(MachineClass *mc) 918 { 919 ccw_machine_8_2_class_options(mc); 920 compat_props_add(mc->compat_props, hw_compat_8_1, hw_compat_8_1_len); 921 mc->smp_props.drawers_supported = false; 922 mc->smp_props.books_supported = false; 923 } 924 DEFINE_CCW_MACHINE(8, 1); 925 926 static void ccw_machine_8_0_instance_options(MachineState *machine) 927 { 928 ccw_machine_8_1_instance_options(machine); 929 } 930 931 static void ccw_machine_8_0_class_options(MachineClass *mc) 932 { 933 ccw_machine_8_1_class_options(mc); 934 compat_props_add(mc->compat_props, hw_compat_8_0, hw_compat_8_0_len); 935 } 936 DEFINE_CCW_MACHINE(8, 0); 937 938 static void ccw_machine_7_2_instance_options(MachineState *machine) 939 { 940 ccw_machine_8_0_instance_options(machine); 941 } 942 943 static void ccw_machine_7_2_class_options(MachineClass *mc) 944 { 945 ccw_machine_8_0_class_options(mc); 946 compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len); 947 } 948 DEFINE_CCW_MACHINE(7, 2); 949 950 static void ccw_machine_7_1_instance_options(MachineState *machine) 951 { 952 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V7_1 }; 953 954 ccw_machine_7_2_instance_options(machine); 955 s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAIE); 956 s390_set_qemu_cpu_model(0x8561, 15, 1, qemu_cpu_feat); 957 } 958 959 static void ccw_machine_7_1_class_options(MachineClass *mc) 960 { 961 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 962 static GlobalProperty compat[] = { 963 { TYPE_S390_PCI_DEVICE, "interpret", "off", }, 964 { TYPE_S390_PCI_DEVICE, "forwarding-assist", "off", }, 965 }; 966 967 ccw_machine_7_2_class_options(mc); 968 compat_props_add(mc->compat_props, hw_compat_7_1, hw_compat_7_1_len); 969 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 970 s390mc->max_threads = S390_MAX_CPUS; 971 } 972 DEFINE_CCW_MACHINE(7, 1); 973 974 static void ccw_machine_7_0_instance_options(MachineState *machine) 975 { 976 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V7_0 }; 977 978 ccw_machine_7_1_instance_options(machine); 979 s390_set_qemu_cpu_model(0x8561, 15, 1, qemu_cpu_feat); 980 } 981 982 static void ccw_machine_7_0_class_options(MachineClass *mc) 983 { 984 ccw_machine_7_1_class_options(mc); 985 compat_props_add(mc->compat_props, hw_compat_7_0, hw_compat_7_0_len); 986 } 987 DEFINE_CCW_MACHINE(7, 0); 988 989 static void ccw_machine_6_2_instance_options(MachineState *machine) 990 { 991 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_2 }; 992 993 ccw_machine_7_0_instance_options(machine); 994 s390_set_qemu_cpu_model(0x3906, 14, 2, qemu_cpu_feat); 995 } 996 997 static void ccw_machine_6_2_class_options(MachineClass *mc) 998 { 999 ccw_machine_7_0_class_options(mc); 1000 compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len); 1001 } 1002 DEFINE_CCW_MACHINE(6, 2); 1003 1004 static void ccw_machine_6_1_instance_options(MachineState *machine) 1005 { 1006 ccw_machine_6_2_instance_options(machine); 1007 s390_cpudef_featoff_greater(16, 1, S390_FEAT_NNPA); 1008 s390_cpudef_featoff_greater(16, 1, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2); 1009 s390_cpudef_featoff_greater(16, 1, S390_FEAT_BEAR_ENH); 1010 s390_cpudef_featoff_greater(16, 1, S390_FEAT_RDP); 1011 s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAI); 1012 } 1013 1014 static void ccw_machine_6_1_class_options(MachineClass *mc) 1015 { 1016 ccw_machine_6_2_class_options(mc); 1017 compat_props_add(mc->compat_props, hw_compat_6_1, hw_compat_6_1_len); 1018 mc->smp_props.prefer_sockets = true; 1019 } 1020 DEFINE_CCW_MACHINE(6, 1); 1021 1022 static void ccw_machine_6_0_instance_options(MachineState *machine) 1023 { 1024 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_0 }; 1025 1026 ccw_machine_6_1_instance_options(machine); 1027 s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); 1028 } 1029 1030 static void ccw_machine_6_0_class_options(MachineClass *mc) 1031 { 1032 ccw_machine_6_1_class_options(mc); 1033 compat_props_add(mc->compat_props, hw_compat_6_0, hw_compat_6_0_len); 1034 } 1035 DEFINE_CCW_MACHINE(6, 0); 1036 1037 static void ccw_machine_5_2_instance_options(MachineState *machine) 1038 { 1039 ccw_machine_6_0_instance_options(machine); 1040 } 1041 1042 static void ccw_machine_5_2_class_options(MachineClass *mc) 1043 { 1044 ccw_machine_6_0_class_options(mc); 1045 compat_props_add(mc->compat_props, hw_compat_5_2, hw_compat_5_2_len); 1046 } 1047 DEFINE_CCW_MACHINE(5, 2); 1048 1049 static void ccw_machine_5_1_instance_options(MachineState *machine) 1050 { 1051 ccw_machine_5_2_instance_options(machine); 1052 } 1053 1054 static void ccw_machine_5_1_class_options(MachineClass *mc) 1055 { 1056 ccw_machine_5_2_class_options(mc); 1057 compat_props_add(mc->compat_props, hw_compat_5_1, hw_compat_5_1_len); 1058 } 1059 DEFINE_CCW_MACHINE(5, 1); 1060 1061 static void ccw_machine_5_0_instance_options(MachineState *machine) 1062 { 1063 ccw_machine_5_1_instance_options(machine); 1064 } 1065 1066 static void ccw_machine_5_0_class_options(MachineClass *mc) 1067 { 1068 ccw_machine_5_1_class_options(mc); 1069 compat_props_add(mc->compat_props, hw_compat_5_0, hw_compat_5_0_len); 1070 } 1071 DEFINE_CCW_MACHINE(5, 0); 1072 1073 static void ccw_machine_4_2_instance_options(MachineState *machine) 1074 { 1075 ccw_machine_5_0_instance_options(machine); 1076 } 1077 1078 static void ccw_machine_4_2_class_options(MachineClass *mc) 1079 { 1080 ccw_machine_5_0_class_options(mc); 1081 mc->fixup_ram_size = s390_fixup_ram_size; 1082 compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len); 1083 } 1084 DEFINE_CCW_MACHINE(4, 2); 1085 1086 static void ccw_machine_4_1_instance_options(MachineState *machine) 1087 { 1088 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 }; 1089 ccw_machine_4_2_instance_options(machine); 1090 s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); 1091 } 1092 1093 static void ccw_machine_4_1_class_options(MachineClass *mc) 1094 { 1095 ccw_machine_4_2_class_options(mc); 1096 compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len); 1097 } 1098 DEFINE_CCW_MACHINE(4, 1); 1099 1100 static void ccw_machine_4_0_instance_options(MachineState *machine) 1101 { 1102 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 1103 ccw_machine_4_1_instance_options(machine); 1104 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 1105 } 1106 1107 static void ccw_machine_4_0_class_options(MachineClass *mc) 1108 { 1109 ccw_machine_4_1_class_options(mc); 1110 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 1111 } 1112 DEFINE_CCW_MACHINE(4, 0); 1113 1114 static void ccw_machine_3_1_instance_options(MachineState *machine) 1115 { 1116 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 1117 ccw_machine_4_0_instance_options(machine); 1118 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 1119 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 1120 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 1121 } 1122 1123 static void ccw_machine_3_1_class_options(MachineClass *mc) 1124 { 1125 ccw_machine_4_0_class_options(mc); 1126 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 1127 } 1128 DEFINE_CCW_MACHINE(3, 1); 1129 1130 static void ccw_machine_3_0_instance_options(MachineState *machine) 1131 { 1132 ccw_machine_3_1_instance_options(machine); 1133 } 1134 1135 static void ccw_machine_3_0_class_options(MachineClass *mc) 1136 { 1137 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1138 1139 s390mc->hpage_1m_allowed = false; 1140 ccw_machine_3_1_class_options(mc); 1141 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 1142 } 1143 DEFINE_CCW_MACHINE(3, 0); 1144 1145 static void ccw_machine_2_12_instance_options(MachineState *machine) 1146 { 1147 ccw_machine_3_0_instance_options(machine); 1148 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 1149 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 1150 } 1151 1152 static void ccw_machine_2_12_class_options(MachineClass *mc) 1153 { 1154 ccw_machine_3_0_class_options(mc); 1155 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 1156 } 1157 DEFINE_CCW_MACHINE(2, 12); 1158 1159 #ifdef CONFIG_S390X_LEGACY_CPUS 1160 1161 static void ccw_machine_2_11_instance_options(MachineState *machine) 1162 { 1163 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 1164 ccw_machine_2_12_instance_options(machine); 1165 1166 /* before 2.12 we emulated the very first z900 */ 1167 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 1168 } 1169 1170 static void ccw_machine_2_11_class_options(MachineClass *mc) 1171 { 1172 static GlobalProperty compat[] = { 1173 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 1174 }; 1175 1176 ccw_machine_2_12_class_options(mc); 1177 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 1178 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1179 } 1180 DEFINE_CCW_MACHINE(2, 11); 1181 1182 static void ccw_machine_2_10_instance_options(MachineState *machine) 1183 { 1184 ccw_machine_2_11_instance_options(machine); 1185 } 1186 1187 static void ccw_machine_2_10_class_options(MachineClass *mc) 1188 { 1189 ccw_machine_2_11_class_options(mc); 1190 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 1191 } 1192 DEFINE_CCW_MACHINE(2, 10); 1193 1194 static void ccw_machine_2_9_instance_options(MachineState *machine) 1195 { 1196 ccw_machine_2_10_instance_options(machine); 1197 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 1198 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 1199 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 1200 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 1201 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 1202 } 1203 1204 static void ccw_machine_2_9_class_options(MachineClass *mc) 1205 { 1206 static GlobalProperty compat[] = { 1207 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 1208 { TYPE_S390_FLIC_COMMON, "migration-enabled", "off", }, 1209 }; 1210 1211 ccw_machine_2_10_class_options(mc); 1212 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 1213 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1214 css_migration_enabled = false; 1215 } 1216 DEFINE_CCW_MACHINE(2, 9); 1217 1218 static void ccw_machine_2_8_instance_options(MachineState *machine) 1219 { 1220 ccw_machine_2_9_instance_options(machine); 1221 } 1222 1223 static void ccw_machine_2_8_class_options(MachineClass *mc) 1224 { 1225 static GlobalProperty compat[] = { 1226 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 1227 }; 1228 1229 ccw_machine_2_9_class_options(mc); 1230 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 1231 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1232 } 1233 DEFINE_CCW_MACHINE(2, 8); 1234 1235 static void ccw_machine_2_7_instance_options(MachineState *machine) 1236 { 1237 ccw_machine_2_8_instance_options(machine); 1238 } 1239 1240 static void ccw_machine_2_7_class_options(MachineClass *mc) 1241 { 1242 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1243 1244 s390mc->cpu_model_allowed = false; 1245 ccw_machine_2_8_class_options(mc); 1246 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 1247 } 1248 DEFINE_CCW_MACHINE(2, 7); 1249 1250 static void ccw_machine_2_6_instance_options(MachineState *machine) 1251 { 1252 ccw_machine_2_7_instance_options(machine); 1253 } 1254 1255 static void ccw_machine_2_6_class_options(MachineClass *mc) 1256 { 1257 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1258 static GlobalProperty compat[] = { 1259 { TYPE_S390_IPL, "iplbext_migration", "off", }, 1260 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 1261 }; 1262 1263 s390mc->ri_allowed = false; 1264 ccw_machine_2_7_class_options(mc); 1265 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 1266 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1267 } 1268 DEFINE_CCW_MACHINE(2, 6); 1269 1270 static void ccw_machine_2_5_instance_options(MachineState *machine) 1271 { 1272 ccw_machine_2_6_instance_options(machine); 1273 } 1274 1275 static void ccw_machine_2_5_class_options(MachineClass *mc) 1276 { 1277 ccw_machine_2_6_class_options(mc); 1278 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 1279 } 1280 DEFINE_CCW_MACHINE(2, 5); 1281 1282 static void ccw_machine_2_4_instance_options(MachineState *machine) 1283 { 1284 ccw_machine_2_5_instance_options(machine); 1285 } 1286 1287 static void ccw_machine_2_4_class_options(MachineClass *mc) 1288 { 1289 static GlobalProperty compat[] = { 1290 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 1291 { "virtio-blk-ccw", "max_revision", "0", }, 1292 { "virtio-balloon-ccw", "max_revision", "0", }, 1293 { "virtio-serial-ccw", "max_revision", "0", }, 1294 { "virtio-9p-ccw", "max_revision", "0", }, 1295 { "virtio-rng-ccw", "max_revision", "0", }, 1296 { "virtio-net-ccw", "max_revision", "0", }, 1297 { "virtio-scsi-ccw", "max_revision", "0", }, 1298 { "vhost-scsi-ccw", "max_revision", "0", }, 1299 }; 1300 1301 ccw_machine_2_5_class_options(mc); 1302 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 1303 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1304 } 1305 DEFINE_CCW_MACHINE(2, 4); 1306 1307 #endif 1308 1309 static void ccw_machine_register_types(void) 1310 { 1311 type_register_static(&ccw_machine_info); 1312 } 1313 1314 type_init(ccw_machine_register_types) 1315