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