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 "cpu.h" 17 #include "hw/boards.h" 18 #include "exec/address-spaces.h" 19 #include "exec/ram_addr.h" 20 #include "hw/s390x/s390-virtio-hcall.h" 21 #include "hw/s390x/sclp.h" 22 #include "hw/s390x/s390_flic.h" 23 #include "hw/s390x/ioinst.h" 24 #include "hw/s390x/css.h" 25 #include "virtio-ccw.h" 26 #include "qemu/config-file.h" 27 #include "qemu/ctype.h" 28 #include "qemu/error-report.h" 29 #include "qemu/option.h" 30 #include "qemu/qemu-print.h" 31 #include "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 "hw/s390x/pv.h" 47 #include "migration/blocker.h" 48 49 static Error *pv_mig_blocker; 50 51 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 52 { 53 static MachineState *ms; 54 55 if (!ms) { 56 ms = MACHINE(qdev_get_machine()); 57 g_assert(ms->possible_cpus); 58 } 59 60 /* CPU address corresponds to the core_id and the index */ 61 if (cpu_addr >= ms->possible_cpus->len) { 62 return NULL; 63 } 64 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 65 } 66 67 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 68 Error **errp) 69 { 70 S390CPU *cpu = S390_CPU(object_new(typename)); 71 S390CPU *ret = NULL; 72 73 if (!object_property_set_int(OBJECT(cpu), "core-id", core_id, errp)) { 74 goto out; 75 } 76 if (!qdev_realize(DEVICE(cpu), NULL, errp)) { 77 goto out; 78 } 79 ret = cpu; 80 81 out: 82 object_unref(OBJECT(cpu)); 83 return ret; 84 } 85 86 static void s390_init_cpus(MachineState *machine) 87 { 88 MachineClass *mc = MACHINE_GET_CLASS(machine); 89 int i; 90 91 /* initialize possible_cpus */ 92 mc->possible_cpu_arch_ids(machine); 93 94 for (i = 0; i < machine->smp.cpus; i++) { 95 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 96 } 97 } 98 99 static const char *const reset_dev_types[] = { 100 TYPE_VIRTUAL_CSS_BRIDGE, 101 "s390-sclp-event-facility", 102 "s390-flic", 103 "diag288", 104 }; 105 106 static void subsystem_reset(void) 107 { 108 DeviceState *dev; 109 int i; 110 111 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 112 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 113 if (dev) { 114 qdev_reset_all(dev); 115 } 116 } 117 } 118 119 static int virtio_ccw_hcall_notify(const uint64_t *args) 120 { 121 uint64_t subch_id = args[0]; 122 uint64_t queue = args[1]; 123 SubchDev *sch; 124 int cssid, ssid, schid, m; 125 126 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 127 return -EINVAL; 128 } 129 sch = css_find_subch(m, cssid, ssid, schid); 130 if (!sch || !css_subch_visible(sch)) { 131 return -EINVAL; 132 } 133 if (queue >= VIRTIO_QUEUE_MAX) { 134 return -EINVAL; 135 } 136 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 137 return 0; 138 139 } 140 141 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 142 { 143 uint64_t mem = args[0]; 144 145 if (mem < ram_size) { 146 /* Early printk */ 147 return 0; 148 } 149 return -EINVAL; 150 } 151 152 static void virtio_ccw_register_hcalls(void) 153 { 154 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 155 virtio_ccw_hcall_notify); 156 /* Tolerate early printk. */ 157 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 158 virtio_ccw_hcall_early_printk); 159 } 160 161 static void s390_memory_init(MemoryRegion *ram) 162 { 163 MemoryRegion *sysmem = get_system_memory(); 164 165 /* allocate RAM for core */ 166 memory_region_add_subregion(sysmem, 0, ram); 167 168 /* 169 * Configure the maximum page size. As no memory devices were created 170 * yet, this is the page size of initial memory only. 171 */ 172 s390_set_max_pagesize(qemu_maxrampagesize(), &error_fatal); 173 /* Initialize storage key device */ 174 s390_skeys_init(); 175 /* Initialize storage attributes device */ 176 s390_stattrib_init(); 177 } 178 179 static void s390_init_ipl_dev(const char *kernel_filename, 180 const char *kernel_cmdline, 181 const char *initrd_filename, const char *firmware, 182 const char *netboot_fw, bool enforce_bios) 183 { 184 Object *new = object_new(TYPE_S390_IPL); 185 DeviceState *dev = DEVICE(new); 186 char *netboot_fw_prop; 187 188 if (kernel_filename) { 189 qdev_prop_set_string(dev, "kernel", kernel_filename); 190 } 191 if (initrd_filename) { 192 qdev_prop_set_string(dev, "initrd", initrd_filename); 193 } 194 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 195 qdev_prop_set_string(dev, "firmware", firmware); 196 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 197 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 198 if (!strlen(netboot_fw_prop)) { 199 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 200 } 201 g_free(netboot_fw_prop); 202 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 203 new); 204 object_unref(new); 205 qdev_realize(dev, NULL, &error_fatal); 206 } 207 208 static void s390_create_virtio_net(BusState *bus, const char *name) 209 { 210 int i; 211 212 for (i = 0; i < nb_nics; i++) { 213 NICInfo *nd = &nd_table[i]; 214 DeviceState *dev; 215 216 if (!nd->model) { 217 nd->model = g_strdup("virtio"); 218 } 219 220 qemu_check_nic_model(nd, "virtio"); 221 222 dev = qdev_new(name); 223 qdev_set_nic_properties(dev, nd); 224 qdev_realize_and_unref(dev, bus, &error_fatal); 225 } 226 } 227 228 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 229 { 230 DeviceState *dev; 231 232 dev = qdev_new(type); 233 qdev_prop_set_chr(dev, "chardev", chardev); 234 qdev_realize_and_unref(dev, sclp_get_event_facility_bus(), &error_fatal); 235 } 236 237 static void ccw_init(MachineState *machine) 238 { 239 int ret; 240 VirtualCssBus *css_bus; 241 DeviceState *dev; 242 243 s390_sclp_init(); 244 /* init memory + setup max page size. Required for the CPU model */ 245 s390_memory_init(machine->ram); 246 247 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 248 s390_init_cpus(machine); 249 250 s390_flic_init(); 251 252 /* init the SIGP facility */ 253 s390_init_sigp(); 254 255 /* create AP bridge and bus(es) */ 256 s390_init_ap(); 257 258 /* get a BUS */ 259 css_bus = virtual_css_bus_init(); 260 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 261 machine->initrd_filename, "s390-ccw.img", 262 "s390-netboot.img", true); 263 264 dev = qdev_new(TYPE_S390_PCI_HOST_BRIDGE); 265 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 266 OBJECT(dev)); 267 sysbus_realize_and_unref(SYS_BUS_DEVICE(dev), &error_fatal); 268 269 /* register hypercalls */ 270 virtio_ccw_register_hcalls(); 271 272 s390_enable_css_support(s390_cpu_addr2state(0)); 273 274 ret = css_create_css_image(VIRTUAL_CSSID, true); 275 276 assert(ret == 0); 277 if (css_migration_enabled()) { 278 css_register_vmstate(); 279 } 280 281 /* Create VirtIO network adapters */ 282 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 283 284 /* init consoles */ 285 if (serial_hd(0)) { 286 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 287 } 288 if (serial_hd(1)) { 289 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 290 } 291 292 /* init the TOD clock */ 293 s390_init_tod(); 294 } 295 296 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 297 DeviceState *dev, Error **errp) 298 { 299 MachineState *ms = MACHINE(hotplug_dev); 300 S390CPU *cpu = S390_CPU(dev); 301 302 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 303 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 304 305 if (dev->hotplugged) { 306 raise_irq_cpu_hotplug(); 307 } 308 } 309 310 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 311 { 312 S390CPU *cpu = S390_CPU(cs); 313 314 s390_ipl_prepare_cpu(cpu); 315 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 316 } 317 318 static void s390_machine_unprotect(S390CcwMachineState *ms) 319 { 320 s390_pv_vm_disable(); 321 ms->pv = false; 322 migrate_del_blocker(pv_mig_blocker); 323 error_free_or_abort(&pv_mig_blocker); 324 ram_block_discard_disable(false); 325 } 326 327 static int s390_machine_protect(S390CcwMachineState *ms) 328 { 329 Error *local_err = NULL; 330 int rc; 331 332 /* 333 * Discarding of memory in RAM blocks does not work as expected with 334 * protected VMs. Sharing and unsharing pages would be required. Disable 335 * it for now, until until we have a solution to make at least Linux 336 * guests either support it (e.g., virtio-balloon) or fail gracefully. 337 */ 338 rc = ram_block_discard_disable(true); 339 if (rc) { 340 error_report("protected VMs: cannot disable RAM discard"); 341 return rc; 342 } 343 344 error_setg(&pv_mig_blocker, 345 "protected VMs are currently not migrateable."); 346 rc = migrate_add_blocker(pv_mig_blocker, &local_err); 347 if (rc) { 348 ram_block_discard_disable(false); 349 error_report_err(local_err); 350 error_free_or_abort(&pv_mig_blocker); 351 return rc; 352 } 353 354 /* Create SE VM */ 355 rc = s390_pv_vm_enable(); 356 if (rc) { 357 ram_block_discard_disable(false); 358 migrate_del_blocker(pv_mig_blocker); 359 error_free_or_abort(&pv_mig_blocker); 360 return rc; 361 } 362 363 ms->pv = true; 364 365 /* Set SE header and unpack */ 366 rc = s390_ipl_prepare_pv_header(); 367 if (rc) { 368 goto out_err; 369 } 370 371 /* Decrypt image */ 372 rc = s390_ipl_pv_unpack(); 373 if (rc) { 374 goto out_err; 375 } 376 377 /* Verify integrity */ 378 rc = s390_pv_verify(); 379 if (rc) { 380 goto out_err; 381 } 382 return rc; 383 384 out_err: 385 s390_machine_unprotect(ms); 386 return rc; 387 } 388 389 static void s390_pv_prepare_reset(S390CcwMachineState *ms) 390 { 391 CPUState *cs; 392 393 if (!s390_is_pv()) { 394 return; 395 } 396 /* Unsharing requires all cpus to be stopped */ 397 CPU_FOREACH(cs) { 398 s390_cpu_set_state(S390_CPU_STATE_STOPPED, S390_CPU(cs)); 399 } 400 s390_pv_unshare(); 401 s390_pv_prep_reset(); 402 } 403 404 static void s390_machine_reset(MachineState *machine) 405 { 406 S390CcwMachineState *ms = S390_CCW_MACHINE(machine); 407 enum s390_reset reset_type; 408 CPUState *cs, *t; 409 S390CPU *cpu; 410 411 /* get the reset parameters, reset them once done */ 412 s390_ipl_get_reset_request(&cs, &reset_type); 413 414 /* all CPUs are paused and synchronized at this point */ 415 s390_cmma_reset(); 416 417 cpu = S390_CPU(cs); 418 419 switch (reset_type) { 420 case S390_RESET_EXTERNAL: 421 case S390_RESET_REIPL: 422 if (s390_is_pv()) { 423 s390_machine_unprotect(ms); 424 } 425 426 qemu_devices_reset(); 427 s390_crypto_reset(); 428 429 /* configure and start the ipl CPU only */ 430 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 431 break; 432 case S390_RESET_MODIFIED_CLEAR: 433 /* 434 * Susbsystem reset needs to be done before we unshare memory 435 * and lose access to VIRTIO structures in guest memory. 436 */ 437 subsystem_reset(); 438 s390_crypto_reset(); 439 s390_pv_prepare_reset(ms); 440 CPU_FOREACH(t) { 441 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 442 } 443 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 444 break; 445 case S390_RESET_LOAD_NORMAL: 446 /* 447 * Susbsystem reset needs to be done before we unshare memory 448 * and lose access to VIRTIO structures in guest memory. 449 */ 450 subsystem_reset(); 451 s390_pv_prepare_reset(ms); 452 CPU_FOREACH(t) { 453 if (t == cs) { 454 continue; 455 } 456 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 457 } 458 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 459 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 460 break; 461 case S390_RESET_PV: /* Subcode 10 */ 462 subsystem_reset(); 463 s390_crypto_reset(); 464 465 CPU_FOREACH(t) { 466 if (t == cs) { 467 continue; 468 } 469 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 470 } 471 run_on_cpu(cs, s390_do_cpu_reset, RUN_ON_CPU_NULL); 472 473 if (s390_machine_protect(ms)) { 474 s390_pv_inject_reset_error(cs); 475 /* 476 * Continue after the diag308 so the guest knows something 477 * went wrong. 478 */ 479 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 480 return; 481 } 482 483 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 484 break; 485 default: 486 g_assert_not_reached(); 487 } 488 s390_ipl_clear_reset_request(); 489 } 490 491 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 492 DeviceState *dev, Error **errp) 493 { 494 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 495 s390_cpu_plug(hotplug_dev, dev, errp); 496 } 497 } 498 499 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 500 DeviceState *dev, Error **errp) 501 { 502 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 503 error_setg(errp, "CPU hot unplug not supported on this machine"); 504 return; 505 } 506 } 507 508 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 509 unsigned cpu_index) 510 { 511 MachineClass *mc = MACHINE_GET_CLASS(ms); 512 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 513 514 assert(cpu_index < possible_cpus->len); 515 return possible_cpus->cpus[cpu_index].props; 516 } 517 518 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 519 { 520 int i; 521 unsigned int max_cpus = ms->smp.max_cpus; 522 523 if (ms->possible_cpus) { 524 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 525 return ms->possible_cpus; 526 } 527 528 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 529 sizeof(CPUArchId) * max_cpus); 530 ms->possible_cpus->len = max_cpus; 531 for (i = 0; i < ms->possible_cpus->len; i++) { 532 ms->possible_cpus->cpus[i].type = ms->cpu_type; 533 ms->possible_cpus->cpus[i].vcpus_count = 1; 534 ms->possible_cpus->cpus[i].arch_id = i; 535 ms->possible_cpus->cpus[i].props.has_core_id = true; 536 ms->possible_cpus->cpus[i].props.core_id = i; 537 } 538 539 return ms->possible_cpus; 540 } 541 542 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 543 DeviceState *dev) 544 { 545 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 546 return HOTPLUG_HANDLER(machine); 547 } 548 return NULL; 549 } 550 551 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 552 { 553 CPUState *cs = qemu_get_cpu(cpu_index); 554 555 s390_cpu_restart(S390_CPU(cs)); 556 } 557 558 static ram_addr_t s390_fixup_ram_size(ram_addr_t sz) 559 { 560 /* same logic as in sclp.c */ 561 int increment_size = 20; 562 ram_addr_t newsz; 563 564 while ((sz >> increment_size) > MAX_STORAGE_INCREMENTS) { 565 increment_size++; 566 } 567 newsz = sz >> increment_size << increment_size; 568 569 if (sz != newsz) { 570 qemu_printf("Ram size %" PRIu64 "MB was fixed up to %" PRIu64 571 "MB to match machine restrictions. Consider updating " 572 "the guest definition.\n", (uint64_t) (sz / MiB), 573 (uint64_t) (newsz / MiB)); 574 } 575 return newsz; 576 } 577 578 static void ccw_machine_class_init(ObjectClass *oc, void *data) 579 { 580 MachineClass *mc = MACHINE_CLASS(oc); 581 NMIClass *nc = NMI_CLASS(oc); 582 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 583 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 584 585 s390mc->ri_allowed = true; 586 s390mc->cpu_model_allowed = true; 587 s390mc->css_migration_enabled = true; 588 s390mc->hpage_1m_allowed = true; 589 mc->init = ccw_init; 590 mc->reset = s390_machine_reset; 591 mc->block_default_type = IF_VIRTIO; 592 mc->no_cdrom = 1; 593 mc->no_floppy = 1; 594 mc->no_parallel = 1; 595 mc->no_sdcard = 1; 596 mc->max_cpus = S390_MAX_CPUS; 597 mc->has_hotpluggable_cpus = true; 598 assert(!mc->get_hotplug_handler); 599 mc->get_hotplug_handler = s390_get_hotplug_handler; 600 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 601 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 602 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 603 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 604 hc->plug = s390_machine_device_plug; 605 hc->unplug_request = s390_machine_device_unplug_request; 606 nc->nmi_monitor_handler = s390_nmi; 607 mc->default_ram_id = "s390.ram"; 608 } 609 610 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 611 { 612 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 613 614 return ms->aes_key_wrap; 615 } 616 617 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 618 Error **errp) 619 { 620 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 621 622 ms->aes_key_wrap = value; 623 } 624 625 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 626 { 627 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 628 629 return ms->dea_key_wrap; 630 } 631 632 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 633 Error **errp) 634 { 635 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 636 637 ms->dea_key_wrap = value; 638 } 639 640 static S390CcwMachineClass *current_mc; 641 642 /* 643 * Get the class of the s390-ccw-virtio machine that is currently in use. 644 * Note: libvirt is using the "none" machine to probe for the features of the 645 * host CPU, so in case this is called with the "none" machine, the function 646 * returns the TYPE_S390_CCW_MACHINE base class. In this base class, all the 647 * various "*_allowed" variables are enabled, so that the *_allowed() wrappers 648 * below return the correct default value for the "none" machine. 649 * 650 * Attention! Do *not* add additional new wrappers for CPU features (e.g. like 651 * the ri_allowed() wrapper) via this mechanism anymore. CPU features should 652 * be handled via the CPU models, i.e. checking with cpu_model_allowed() during 653 * CPU initialization and s390_has_feat() later should be sufficient. 654 */ 655 static S390CcwMachineClass *get_machine_class(void) 656 { 657 if (unlikely(!current_mc)) { 658 /* 659 * No s390 ccw machine was instantiated, we are likely to 660 * be called for the 'none' machine. The properties will 661 * have their after-initialization values. 662 */ 663 current_mc = S390_CCW_MACHINE_CLASS( 664 object_class_by_name(TYPE_S390_CCW_MACHINE)); 665 } 666 return current_mc; 667 } 668 669 bool ri_allowed(void) 670 { 671 return get_machine_class()->ri_allowed; 672 } 673 674 bool cpu_model_allowed(void) 675 { 676 return get_machine_class()->cpu_model_allowed; 677 } 678 679 bool hpage_1m_allowed(void) 680 { 681 return get_machine_class()->hpage_1m_allowed; 682 } 683 684 static char *machine_get_loadparm(Object *obj, Error **errp) 685 { 686 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 687 688 /* make a NUL-terminated string */ 689 return g_strndup((char *) ms->loadparm, sizeof(ms->loadparm)); 690 } 691 692 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 693 { 694 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 695 int i; 696 697 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 698 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 699 700 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 701 (c == ' ')) { 702 ms->loadparm[i] = c; 703 } else { 704 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 705 c, c); 706 return; 707 } 708 } 709 710 for (; i < sizeof(ms->loadparm); i++) { 711 ms->loadparm[i] = ' '; /* pad right with spaces */ 712 } 713 } 714 static inline void s390_machine_initfn(Object *obj) 715 { 716 object_property_add_bool(obj, "aes-key-wrap", 717 machine_get_aes_key_wrap, 718 machine_set_aes_key_wrap); 719 object_property_set_description(obj, "aes-key-wrap", 720 "enable/disable AES key wrapping using the CPACF wrapping key"); 721 object_property_set_bool(obj, "aes-key-wrap", true, NULL); 722 723 object_property_add_bool(obj, "dea-key-wrap", 724 machine_get_dea_key_wrap, 725 machine_set_dea_key_wrap); 726 object_property_set_description(obj, "dea-key-wrap", 727 "enable/disable DEA key wrapping using the CPACF wrapping key"); 728 object_property_set_bool(obj, "dea-key-wrap", true, NULL); 729 object_property_add_str(obj, "loadparm", 730 machine_get_loadparm, machine_set_loadparm); 731 object_property_set_description(obj, "loadparm", 732 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 733 " to upper case) to pass to machine loader, boot manager," 734 " and guest kernel"); 735 } 736 737 static const TypeInfo ccw_machine_info = { 738 .name = TYPE_S390_CCW_MACHINE, 739 .parent = TYPE_MACHINE, 740 .abstract = true, 741 .instance_size = sizeof(S390CcwMachineState), 742 .instance_init = s390_machine_initfn, 743 .class_size = sizeof(S390CcwMachineClass), 744 .class_init = ccw_machine_class_init, 745 .interfaces = (InterfaceInfo[]) { 746 { TYPE_NMI }, 747 { TYPE_HOTPLUG_HANDLER}, 748 { } 749 }, 750 }; 751 752 bool css_migration_enabled(void) 753 { 754 return get_machine_class()->css_migration_enabled; 755 } 756 757 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 758 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 759 void *data) \ 760 { \ 761 MachineClass *mc = MACHINE_CLASS(oc); \ 762 ccw_machine_##suffix##_class_options(mc); \ 763 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 764 if (latest) { \ 765 mc->alias = "s390-ccw-virtio"; \ 766 mc->is_default = true; \ 767 } \ 768 } \ 769 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 770 { \ 771 MachineState *machine = MACHINE(obj); \ 772 current_mc = S390_CCW_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 773 ccw_machine_##suffix##_instance_options(machine); \ 774 } \ 775 static const TypeInfo ccw_machine_##suffix##_info = { \ 776 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 777 .parent = TYPE_S390_CCW_MACHINE, \ 778 .class_init = ccw_machine_##suffix##_class_init, \ 779 .instance_init = ccw_machine_##suffix##_instance_init, \ 780 }; \ 781 static void ccw_machine_register_##suffix(void) \ 782 { \ 783 type_register_static(&ccw_machine_##suffix##_info); \ 784 } \ 785 type_init(ccw_machine_register_##suffix) 786 787 static void ccw_machine_5_2_instance_options(MachineState *machine) 788 { 789 } 790 791 static void ccw_machine_5_2_class_options(MachineClass *mc) 792 { 793 } 794 DEFINE_CCW_MACHINE(5_2, "5.2", true); 795 796 static void ccw_machine_5_1_instance_options(MachineState *machine) 797 { 798 ccw_machine_5_2_instance_options(machine); 799 } 800 801 static void ccw_machine_5_1_class_options(MachineClass *mc) 802 { 803 ccw_machine_5_2_class_options(mc); 804 compat_props_add(mc->compat_props, hw_compat_5_1, hw_compat_5_1_len); 805 } 806 DEFINE_CCW_MACHINE(5_1, "5.1", false); 807 808 static void ccw_machine_5_0_instance_options(MachineState *machine) 809 { 810 ccw_machine_5_1_instance_options(machine); 811 } 812 813 static void ccw_machine_5_0_class_options(MachineClass *mc) 814 { 815 ccw_machine_5_1_class_options(mc); 816 compat_props_add(mc->compat_props, hw_compat_5_0, hw_compat_5_0_len); 817 } 818 DEFINE_CCW_MACHINE(5_0, "5.0", false); 819 820 static void ccw_machine_4_2_instance_options(MachineState *machine) 821 { 822 ccw_machine_5_0_instance_options(machine); 823 } 824 825 static void ccw_machine_4_2_class_options(MachineClass *mc) 826 { 827 ccw_machine_5_0_class_options(mc); 828 mc->fixup_ram_size = s390_fixup_ram_size; 829 compat_props_add(mc->compat_props, hw_compat_4_2, hw_compat_4_2_len); 830 } 831 DEFINE_CCW_MACHINE(4_2, "4.2", false); 832 833 static void ccw_machine_4_1_instance_options(MachineState *machine) 834 { 835 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_1 }; 836 ccw_machine_4_2_instance_options(machine); 837 s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat); 838 } 839 840 static void ccw_machine_4_1_class_options(MachineClass *mc) 841 { 842 ccw_machine_4_2_class_options(mc); 843 compat_props_add(mc->compat_props, hw_compat_4_1, hw_compat_4_1_len); 844 } 845 DEFINE_CCW_MACHINE(4_1, "4.1", false); 846 847 static void ccw_machine_4_0_instance_options(MachineState *machine) 848 { 849 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 850 ccw_machine_4_1_instance_options(machine); 851 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 852 } 853 854 static void ccw_machine_4_0_class_options(MachineClass *mc) 855 { 856 ccw_machine_4_1_class_options(mc); 857 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 858 } 859 DEFINE_CCW_MACHINE(4_0, "4.0", false); 860 861 static void ccw_machine_3_1_instance_options(MachineState *machine) 862 { 863 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 864 ccw_machine_4_0_instance_options(machine); 865 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 866 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 867 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 868 } 869 870 static void ccw_machine_3_1_class_options(MachineClass *mc) 871 { 872 ccw_machine_4_0_class_options(mc); 873 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 874 } 875 DEFINE_CCW_MACHINE(3_1, "3.1", false); 876 877 static void ccw_machine_3_0_instance_options(MachineState *machine) 878 { 879 ccw_machine_3_1_instance_options(machine); 880 } 881 882 static void ccw_machine_3_0_class_options(MachineClass *mc) 883 { 884 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 885 886 s390mc->hpage_1m_allowed = false; 887 ccw_machine_3_1_class_options(mc); 888 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 889 } 890 DEFINE_CCW_MACHINE(3_0, "3.0", false); 891 892 static void ccw_machine_2_12_instance_options(MachineState *machine) 893 { 894 ccw_machine_3_0_instance_options(machine); 895 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 896 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 897 } 898 899 static void ccw_machine_2_12_class_options(MachineClass *mc) 900 { 901 ccw_machine_3_0_class_options(mc); 902 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 903 } 904 DEFINE_CCW_MACHINE(2_12, "2.12", false); 905 906 static void ccw_machine_2_11_instance_options(MachineState *machine) 907 { 908 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 909 ccw_machine_2_12_instance_options(machine); 910 911 /* before 2.12 we emulated the very first z900 */ 912 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 913 } 914 915 static void ccw_machine_2_11_class_options(MachineClass *mc) 916 { 917 static GlobalProperty compat[] = { 918 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 919 }; 920 921 ccw_machine_2_12_class_options(mc); 922 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 923 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 924 } 925 DEFINE_CCW_MACHINE(2_11, "2.11", false); 926 927 static void ccw_machine_2_10_instance_options(MachineState *machine) 928 { 929 ccw_machine_2_11_instance_options(machine); 930 } 931 932 static void ccw_machine_2_10_class_options(MachineClass *mc) 933 { 934 ccw_machine_2_11_class_options(mc); 935 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 936 } 937 DEFINE_CCW_MACHINE(2_10, "2.10", false); 938 939 static void ccw_machine_2_9_instance_options(MachineState *machine) 940 { 941 ccw_machine_2_10_instance_options(machine); 942 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 943 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 944 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 945 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 946 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 947 } 948 949 static void ccw_machine_2_9_class_options(MachineClass *mc) 950 { 951 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 952 static GlobalProperty compat[] = { 953 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 954 }; 955 956 ccw_machine_2_10_class_options(mc); 957 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 958 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 959 s390mc->css_migration_enabled = false; 960 } 961 DEFINE_CCW_MACHINE(2_9, "2.9", false); 962 963 static void ccw_machine_2_8_instance_options(MachineState *machine) 964 { 965 ccw_machine_2_9_instance_options(machine); 966 } 967 968 static void ccw_machine_2_8_class_options(MachineClass *mc) 969 { 970 static GlobalProperty compat[] = { 971 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 972 }; 973 974 ccw_machine_2_9_class_options(mc); 975 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 976 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 977 } 978 DEFINE_CCW_MACHINE(2_8, "2.8", false); 979 980 static void ccw_machine_2_7_instance_options(MachineState *machine) 981 { 982 ccw_machine_2_8_instance_options(machine); 983 } 984 985 static void ccw_machine_2_7_class_options(MachineClass *mc) 986 { 987 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 988 989 s390mc->cpu_model_allowed = false; 990 ccw_machine_2_8_class_options(mc); 991 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 992 } 993 DEFINE_CCW_MACHINE(2_7, "2.7", false); 994 995 static void ccw_machine_2_6_instance_options(MachineState *machine) 996 { 997 ccw_machine_2_7_instance_options(machine); 998 } 999 1000 static void ccw_machine_2_6_class_options(MachineClass *mc) 1001 { 1002 S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc); 1003 static GlobalProperty compat[] = { 1004 { TYPE_S390_IPL, "iplbext_migration", "off", }, 1005 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 1006 }; 1007 1008 s390mc->ri_allowed = false; 1009 ccw_machine_2_7_class_options(mc); 1010 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 1011 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1012 } 1013 DEFINE_CCW_MACHINE(2_6, "2.6", false); 1014 1015 static void ccw_machine_2_5_instance_options(MachineState *machine) 1016 { 1017 ccw_machine_2_6_instance_options(machine); 1018 } 1019 1020 static void ccw_machine_2_5_class_options(MachineClass *mc) 1021 { 1022 ccw_machine_2_6_class_options(mc); 1023 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 1024 } 1025 DEFINE_CCW_MACHINE(2_5, "2.5", false); 1026 1027 static void ccw_machine_2_4_instance_options(MachineState *machine) 1028 { 1029 ccw_machine_2_5_instance_options(machine); 1030 } 1031 1032 static void ccw_machine_2_4_class_options(MachineClass *mc) 1033 { 1034 static GlobalProperty compat[] = { 1035 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 1036 { "virtio-blk-ccw", "max_revision", "0", }, 1037 { "virtio-balloon-ccw", "max_revision", "0", }, 1038 { "virtio-serial-ccw", "max_revision", "0", }, 1039 { "virtio-9p-ccw", "max_revision", "0", }, 1040 { "virtio-rng-ccw", "max_revision", "0", }, 1041 { "virtio-net-ccw", "max_revision", "0", }, 1042 { "virtio-scsi-ccw", "max_revision", "0", }, 1043 { "vhost-scsi-ccw", "max_revision", "0", }, 1044 }; 1045 1046 ccw_machine_2_5_class_options(mc); 1047 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 1048 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 1049 } 1050 DEFINE_CCW_MACHINE(2_4, "2.4", false); 1051 1052 static void ccw_machine_register_types(void) 1053 { 1054 type_register_static(&ccw_machine_info); 1055 } 1056 1057 type_init(ccw_machine_register_types) 1058