1 /* 2 * virtio ccw machine 3 * 4 * Copyright 2012 IBM Corp. 5 * Copyright (c) 2009 Alexander Graf <agraf@suse.de> 6 * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com> 7 * 8 * This work is licensed under the terms of the GNU GPL, version 2 or (at 9 * your option) any later version. See the COPYING file in the top-level 10 * directory. 11 */ 12 13 #include "qemu/osdep.h" 14 #include "qapi/error.h" 15 #include "cpu.h" 16 #include "hw/boards.h" 17 #include "exec/address-spaces.h" 18 #include "exec/ram_addr.h" 19 #include "hw/s390x/s390-virtio-hcall.h" 20 #include "hw/s390x/sclp.h" 21 #include "hw/s390x/s390_flic.h" 22 #include "hw/s390x/ioinst.h" 23 #include "hw/s390x/css.h" 24 #include "virtio-ccw.h" 25 #include "qemu/config-file.h" 26 #include "qemu/ctype.h" 27 #include "qemu/error-report.h" 28 #include "qemu/option.h" 29 #include "s390-pci-bus.h" 30 #include "sysemu/reset.h" 31 #include "hw/s390x/storage-keys.h" 32 #include "hw/s390x/storage-attributes.h" 33 #include "hw/s390x/event-facility.h" 34 #include "ipl.h" 35 #include "hw/s390x/s390-virtio-ccw.h" 36 #include "hw/s390x/css-bridge.h" 37 #include "hw/s390x/ap-bridge.h" 38 #include "migration/register.h" 39 #include "cpu_models.h" 40 #include "hw/nmi.h" 41 #include "hw/qdev-properties.h" 42 #include "hw/s390x/tod.h" 43 44 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 45 { 46 static MachineState *ms; 47 48 if (!ms) { 49 ms = MACHINE(qdev_get_machine()); 50 g_assert(ms->possible_cpus); 51 } 52 53 /* CPU address corresponds to the core_id and the index */ 54 if (cpu_addr >= ms->possible_cpus->len) { 55 return NULL; 56 } 57 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 58 } 59 60 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 61 Error **errp) 62 { 63 S390CPU *cpu = S390_CPU(object_new(typename)); 64 Error *err = NULL; 65 66 object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); 67 if (err != NULL) { 68 goto out; 69 } 70 object_property_set_bool(OBJECT(cpu), true, "realized", &err); 71 72 out: 73 object_unref(OBJECT(cpu)); 74 if (err) { 75 error_propagate(errp, err); 76 cpu = NULL; 77 } 78 return cpu; 79 } 80 81 static void s390_init_cpus(MachineState *machine) 82 { 83 MachineClass *mc = MACHINE_GET_CLASS(machine); 84 int i; 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 }; 100 101 static void subsystem_reset(void) 102 { 103 DeviceState *dev; 104 int i; 105 106 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 107 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 108 if (dev) { 109 qdev_reset_all(dev); 110 } 111 } 112 } 113 114 static int virtio_ccw_hcall_notify(const uint64_t *args) 115 { 116 uint64_t subch_id = args[0]; 117 uint64_t queue = args[1]; 118 SubchDev *sch; 119 int cssid, ssid, schid, m; 120 121 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 122 return -EINVAL; 123 } 124 sch = css_find_subch(m, cssid, ssid, schid); 125 if (!sch || !css_subch_visible(sch)) { 126 return -EINVAL; 127 } 128 if (queue >= VIRTIO_QUEUE_MAX) { 129 return -EINVAL; 130 } 131 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 132 return 0; 133 134 } 135 136 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 137 { 138 uint64_t mem = args[0]; 139 140 if (mem < ram_size) { 141 /* Early printk */ 142 return 0; 143 } 144 return -EINVAL; 145 } 146 147 static void virtio_ccw_register_hcalls(void) 148 { 149 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 150 virtio_ccw_hcall_notify); 151 /* Tolerate early printk. */ 152 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 153 virtio_ccw_hcall_early_printk); 154 } 155 156 /* 157 * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages 158 * as the dirty bitmap must be managed by bitops that take an int as 159 * position indicator. If we have a guest beyond that we will split off 160 * new subregions. The split must happen on a segment boundary (1MB). 161 */ 162 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1) 163 #define SEG_MSK (~0xfffffULL) 164 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK) 165 static void s390_memory_init(ram_addr_t mem_size) 166 { 167 MemoryRegion *sysmem = get_system_memory(); 168 ram_addr_t chunk, offset = 0; 169 unsigned int number = 0; 170 Error *local_err = NULL; 171 gchar *name; 172 173 /* allocate RAM for core */ 174 name = g_strdup_printf("s390.ram"); 175 while (mem_size) { 176 MemoryRegion *ram = g_new(MemoryRegion, 1); 177 uint64_t size = mem_size; 178 179 /* KVM does not allow memslots >= 8 TB */ 180 chunk = MIN(size, KVM_SLOT_MAX_BYTES); 181 memory_region_allocate_system_memory(ram, NULL, name, chunk); 182 memory_region_add_subregion(sysmem, offset, ram); 183 mem_size -= chunk; 184 offset += chunk; 185 g_free(name); 186 name = g_strdup_printf("s390.ram.%u", ++number); 187 } 188 g_free(name); 189 190 /* 191 * Configure the maximum page size. As no memory devices were created 192 * yet, this is the page size of initial memory only. 193 */ 194 s390_set_max_pagesize(qemu_maxrampagesize(), &local_err); 195 if (local_err) { 196 error_report_err(local_err); 197 exit(EXIT_FAILURE); 198 } 199 /* Initialize storage key device */ 200 s390_skeys_init(); 201 /* Initialize storage attributes device */ 202 s390_stattrib_init(); 203 } 204 205 static void s390_init_ipl_dev(const char *kernel_filename, 206 const char *kernel_cmdline, 207 const char *initrd_filename, const char *firmware, 208 const char *netboot_fw, bool enforce_bios) 209 { 210 Object *new = object_new(TYPE_S390_IPL); 211 DeviceState *dev = DEVICE(new); 212 char *netboot_fw_prop; 213 214 if (kernel_filename) { 215 qdev_prop_set_string(dev, "kernel", kernel_filename); 216 } 217 if (initrd_filename) { 218 qdev_prop_set_string(dev, "initrd", initrd_filename); 219 } 220 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 221 qdev_prop_set_string(dev, "firmware", firmware); 222 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 223 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 224 if (!strlen(netboot_fw_prop)) { 225 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 226 } 227 g_free(netboot_fw_prop); 228 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 229 new, NULL); 230 object_unref(new); 231 qdev_init_nofail(dev); 232 } 233 234 static void s390_create_virtio_net(BusState *bus, const char *name) 235 { 236 int i; 237 238 for (i = 0; i < nb_nics; i++) { 239 NICInfo *nd = &nd_table[i]; 240 DeviceState *dev; 241 242 if (!nd->model) { 243 nd->model = g_strdup("virtio"); 244 } 245 246 qemu_check_nic_model(nd, "virtio"); 247 248 dev = qdev_create(bus, name); 249 qdev_set_nic_properties(dev, nd); 250 qdev_init_nofail(dev); 251 } 252 } 253 254 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 255 { 256 DeviceState *dev; 257 258 dev = qdev_create(sclp_get_event_facility_bus(), type); 259 qdev_prop_set_chr(dev, "chardev", chardev); 260 qdev_init_nofail(dev); 261 } 262 263 static void ccw_init(MachineState *machine) 264 { 265 int ret; 266 VirtualCssBus *css_bus; 267 DeviceState *dev; 268 269 s390_sclp_init(); 270 /* init memory + setup max page size. Required for the CPU model */ 271 s390_memory_init(machine->ram_size); 272 273 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 274 s390_init_cpus(machine); 275 276 s390_flic_init(); 277 278 /* init the SIGP facility */ 279 s390_init_sigp(); 280 281 /* create AP bridge and bus(es) */ 282 s390_init_ap(); 283 284 /* get a BUS */ 285 css_bus = virtual_css_bus_init(); 286 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 287 machine->initrd_filename, "s390-ccw.img", 288 "s390-netboot.img", true); 289 290 dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); 291 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 292 OBJECT(dev), NULL); 293 qdev_init_nofail(dev); 294 295 /* register hypercalls */ 296 virtio_ccw_register_hcalls(); 297 298 s390_enable_css_support(s390_cpu_addr2state(0)); 299 300 ret = css_create_css_image(VIRTUAL_CSSID, true); 301 302 assert(ret == 0); 303 if (css_migration_enabled()) { 304 css_register_vmstate(); 305 } 306 307 /* Create VirtIO network adapters */ 308 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 309 310 /* init consoles */ 311 if (serial_hd(0)) { 312 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 313 } 314 if (serial_hd(1)) { 315 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 316 } 317 318 /* init the TOD clock */ 319 s390_init_tod(); 320 } 321 322 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 323 DeviceState *dev, Error **errp) 324 { 325 MachineState *ms = MACHINE(hotplug_dev); 326 S390CPU *cpu = S390_CPU(dev); 327 328 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 329 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 330 331 if (dev->hotplugged) { 332 raise_irq_cpu_hotplug(); 333 } 334 } 335 336 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 337 { 338 S390CPU *cpu = S390_CPU(cs); 339 340 s390_ipl_prepare_cpu(cpu); 341 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 342 } 343 344 static void s390_machine_reset(MachineState *machine) 345 { 346 enum s390_reset reset_type; 347 CPUState *cs, *t; 348 349 /* get the reset parameters, reset them once done */ 350 s390_ipl_get_reset_request(&cs, &reset_type); 351 352 /* all CPUs are paused and synchronized at this point */ 353 s390_cmma_reset(); 354 355 switch (reset_type) { 356 case S390_RESET_EXTERNAL: 357 case S390_RESET_REIPL: 358 qemu_devices_reset(); 359 s390_crypto_reset(); 360 361 /* configure and start the ipl CPU only */ 362 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 363 break; 364 case S390_RESET_MODIFIED_CLEAR: 365 CPU_FOREACH(t) { 366 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 367 } 368 subsystem_reset(); 369 s390_crypto_reset(); 370 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 371 break; 372 case S390_RESET_LOAD_NORMAL: 373 CPU_FOREACH(t) { 374 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 375 } 376 subsystem_reset(); 377 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 378 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 379 break; 380 default: 381 g_assert_not_reached(); 382 } 383 s390_ipl_clear_reset_request(); 384 } 385 386 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 387 DeviceState *dev, Error **errp) 388 { 389 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 390 s390_cpu_plug(hotplug_dev, dev, errp); 391 } 392 } 393 394 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 395 DeviceState *dev, Error **errp) 396 { 397 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 398 error_setg(errp, "CPU hot unplug not supported on this machine"); 399 return; 400 } 401 } 402 403 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 404 unsigned cpu_index) 405 { 406 MachineClass *mc = MACHINE_GET_CLASS(ms); 407 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 408 409 assert(cpu_index < possible_cpus->len); 410 return possible_cpus->cpus[cpu_index].props; 411 } 412 413 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 414 { 415 int i; 416 unsigned int max_cpus = ms->smp.max_cpus; 417 418 if (ms->possible_cpus) { 419 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 420 return ms->possible_cpus; 421 } 422 423 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 424 sizeof(CPUArchId) * max_cpus); 425 ms->possible_cpus->len = max_cpus; 426 for (i = 0; i < ms->possible_cpus->len; i++) { 427 ms->possible_cpus->cpus[i].type = ms->cpu_type; 428 ms->possible_cpus->cpus[i].vcpus_count = 1; 429 ms->possible_cpus->cpus[i].arch_id = i; 430 ms->possible_cpus->cpus[i].props.has_core_id = true; 431 ms->possible_cpus->cpus[i].props.core_id = i; 432 } 433 434 return ms->possible_cpus; 435 } 436 437 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 438 DeviceState *dev) 439 { 440 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 441 return HOTPLUG_HANDLER(machine); 442 } 443 return NULL; 444 } 445 446 static void s390_hot_add_cpu(MachineState *machine, 447 const int64_t id, Error **errp) 448 { 449 ObjectClass *oc; 450 451 g_assert(machine->possible_cpus->cpus[0].cpu); 452 oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); 453 454 s390x_new_cpu(object_class_get_name(oc), id, errp); 455 } 456 457 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 458 { 459 CPUState *cs = qemu_get_cpu(cpu_index); 460 461 s390_cpu_restart(S390_CPU(cs)); 462 } 463 464 static void ccw_machine_class_init(ObjectClass *oc, void *data) 465 { 466 MachineClass *mc = MACHINE_CLASS(oc); 467 NMIClass *nc = NMI_CLASS(oc); 468 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 469 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 470 471 s390mc->ri_allowed = true; 472 s390mc->cpu_model_allowed = true; 473 s390mc->css_migration_enabled = true; 474 s390mc->hpage_1m_allowed = true; 475 mc->init = ccw_init; 476 mc->reset = s390_machine_reset; 477 mc->hot_add_cpu = s390_hot_add_cpu; 478 mc->block_default_type = IF_VIRTIO; 479 mc->no_cdrom = 1; 480 mc->no_floppy = 1; 481 mc->no_parallel = 1; 482 mc->no_sdcard = 1; 483 mc->max_cpus = S390_MAX_CPUS; 484 mc->has_hotpluggable_cpus = true; 485 assert(!mc->get_hotplug_handler); 486 mc->get_hotplug_handler = s390_get_hotplug_handler; 487 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 488 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 489 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 490 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 491 hc->plug = s390_machine_device_plug; 492 hc->unplug_request = s390_machine_device_unplug_request; 493 nc->nmi_monitor_handler = s390_nmi; 494 } 495 496 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 497 { 498 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 499 500 return ms->aes_key_wrap; 501 } 502 503 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 504 Error **errp) 505 { 506 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 507 508 ms->aes_key_wrap = value; 509 } 510 511 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 512 { 513 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 514 515 return ms->dea_key_wrap; 516 } 517 518 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 519 Error **errp) 520 { 521 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 522 523 ms->dea_key_wrap = value; 524 } 525 526 static S390CcwMachineClass *current_mc; 527 528 static S390CcwMachineClass *get_machine_class(void) 529 { 530 if (unlikely(!current_mc)) { 531 /* 532 * No s390 ccw machine was instantiated, we are likely to 533 * be called for the 'none' machine. The properties will 534 * have their after-initialization values. 535 */ 536 current_mc = S390_MACHINE_CLASS( 537 object_class_by_name(TYPE_S390_CCW_MACHINE)); 538 } 539 return current_mc; 540 } 541 542 bool ri_allowed(void) 543 { 544 /* for "none" machine this results in true */ 545 return get_machine_class()->ri_allowed; 546 } 547 548 bool cpu_model_allowed(void) 549 { 550 /* for "none" machine this results in true */ 551 return get_machine_class()->cpu_model_allowed; 552 } 553 554 bool hpage_1m_allowed(void) 555 { 556 /* for "none" machine this results in true */ 557 return get_machine_class()->hpage_1m_allowed; 558 } 559 560 static char *machine_get_loadparm(Object *obj, Error **errp) 561 { 562 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 563 564 return g_memdup(ms->loadparm, sizeof(ms->loadparm)); 565 } 566 567 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 568 { 569 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 570 int i; 571 572 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 573 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 574 575 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 576 (c == ' ')) { 577 ms->loadparm[i] = c; 578 } else { 579 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 580 c, c); 581 return; 582 } 583 } 584 585 for (; i < sizeof(ms->loadparm); i++) { 586 ms->loadparm[i] = ' '; /* pad right with spaces */ 587 } 588 } 589 static inline void s390_machine_initfn(Object *obj) 590 { 591 object_property_add_bool(obj, "aes-key-wrap", 592 machine_get_aes_key_wrap, 593 machine_set_aes_key_wrap, NULL); 594 object_property_set_description(obj, "aes-key-wrap", 595 "enable/disable AES key wrapping using the CPACF wrapping key", 596 NULL); 597 object_property_set_bool(obj, true, "aes-key-wrap", NULL); 598 599 object_property_add_bool(obj, "dea-key-wrap", 600 machine_get_dea_key_wrap, 601 machine_set_dea_key_wrap, NULL); 602 object_property_set_description(obj, "dea-key-wrap", 603 "enable/disable DEA key wrapping using the CPACF wrapping key", 604 NULL); 605 object_property_set_bool(obj, true, "dea-key-wrap", NULL); 606 object_property_add_str(obj, "loadparm", 607 machine_get_loadparm, machine_set_loadparm, NULL); 608 object_property_set_description(obj, "loadparm", 609 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 610 " to upper case) to pass to machine loader, boot manager," 611 " and guest kernel", 612 NULL); 613 } 614 615 static const TypeInfo ccw_machine_info = { 616 .name = TYPE_S390_CCW_MACHINE, 617 .parent = TYPE_MACHINE, 618 .abstract = true, 619 .instance_size = sizeof(S390CcwMachineState), 620 .instance_init = s390_machine_initfn, 621 .class_size = sizeof(S390CcwMachineClass), 622 .class_init = ccw_machine_class_init, 623 .interfaces = (InterfaceInfo[]) { 624 { TYPE_NMI }, 625 { TYPE_HOTPLUG_HANDLER}, 626 { } 627 }, 628 }; 629 630 bool css_migration_enabled(void) 631 { 632 return get_machine_class()->css_migration_enabled; 633 } 634 635 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 636 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 637 void *data) \ 638 { \ 639 MachineClass *mc = MACHINE_CLASS(oc); \ 640 ccw_machine_##suffix##_class_options(mc); \ 641 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 642 if (latest) { \ 643 mc->alias = "s390-ccw-virtio"; \ 644 mc->is_default = 1; \ 645 } \ 646 } \ 647 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 648 { \ 649 MachineState *machine = MACHINE(obj); \ 650 current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 651 ccw_machine_##suffix##_instance_options(machine); \ 652 } \ 653 static const TypeInfo ccw_machine_##suffix##_info = { \ 654 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 655 .parent = TYPE_S390_CCW_MACHINE, \ 656 .class_init = ccw_machine_##suffix##_class_init, \ 657 .instance_init = ccw_machine_##suffix##_instance_init, \ 658 }; \ 659 static void ccw_machine_register_##suffix(void) \ 660 { \ 661 type_register_static(&ccw_machine_##suffix##_info); \ 662 } \ 663 type_init(ccw_machine_register_##suffix) 664 665 static void ccw_machine_4_1_instance_options(MachineState *machine) 666 { 667 } 668 669 static void ccw_machine_4_1_class_options(MachineClass *mc) 670 { 671 } 672 DEFINE_CCW_MACHINE(4_1, "4.1", true); 673 674 static void ccw_machine_4_0_instance_options(MachineState *machine) 675 { 676 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 677 ccw_machine_4_1_instance_options(machine); 678 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 679 } 680 681 static void ccw_machine_4_0_class_options(MachineClass *mc) 682 { 683 ccw_machine_4_1_class_options(mc); 684 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 685 } 686 DEFINE_CCW_MACHINE(4_0, "4.0", false); 687 688 static void ccw_machine_3_1_instance_options(MachineState *machine) 689 { 690 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 691 ccw_machine_4_0_instance_options(machine); 692 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 693 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 694 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 695 } 696 697 static void ccw_machine_3_1_class_options(MachineClass *mc) 698 { 699 ccw_machine_4_0_class_options(mc); 700 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 701 } 702 DEFINE_CCW_MACHINE(3_1, "3.1", false); 703 704 static void ccw_machine_3_0_instance_options(MachineState *machine) 705 { 706 ccw_machine_3_1_instance_options(machine); 707 } 708 709 static void ccw_machine_3_0_class_options(MachineClass *mc) 710 { 711 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 712 713 s390mc->hpage_1m_allowed = false; 714 ccw_machine_3_1_class_options(mc); 715 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 716 } 717 DEFINE_CCW_MACHINE(3_0, "3.0", false); 718 719 static void ccw_machine_2_12_instance_options(MachineState *machine) 720 { 721 ccw_machine_3_0_instance_options(machine); 722 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 723 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 724 } 725 726 static void ccw_machine_2_12_class_options(MachineClass *mc) 727 { 728 ccw_machine_3_0_class_options(mc); 729 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 730 } 731 DEFINE_CCW_MACHINE(2_12, "2.12", false); 732 733 static void ccw_machine_2_11_instance_options(MachineState *machine) 734 { 735 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 736 ccw_machine_2_12_instance_options(machine); 737 738 /* before 2.12 we emulated the very first z900 */ 739 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 740 } 741 742 static void ccw_machine_2_11_class_options(MachineClass *mc) 743 { 744 static GlobalProperty compat[] = { 745 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 746 }; 747 748 ccw_machine_2_12_class_options(mc); 749 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 750 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 751 } 752 DEFINE_CCW_MACHINE(2_11, "2.11", false); 753 754 static void ccw_machine_2_10_instance_options(MachineState *machine) 755 { 756 ccw_machine_2_11_instance_options(machine); 757 } 758 759 static void ccw_machine_2_10_class_options(MachineClass *mc) 760 { 761 ccw_machine_2_11_class_options(mc); 762 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 763 } 764 DEFINE_CCW_MACHINE(2_10, "2.10", false); 765 766 static void ccw_machine_2_9_instance_options(MachineState *machine) 767 { 768 ccw_machine_2_10_instance_options(machine); 769 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 770 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 771 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 772 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 773 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 774 } 775 776 static void ccw_machine_2_9_class_options(MachineClass *mc) 777 { 778 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 779 static GlobalProperty compat[] = { 780 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 781 }; 782 783 ccw_machine_2_10_class_options(mc); 784 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 785 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 786 s390mc->css_migration_enabled = false; 787 } 788 DEFINE_CCW_MACHINE(2_9, "2.9", false); 789 790 static void ccw_machine_2_8_instance_options(MachineState *machine) 791 { 792 ccw_machine_2_9_instance_options(machine); 793 } 794 795 static void ccw_machine_2_8_class_options(MachineClass *mc) 796 { 797 static GlobalProperty compat[] = { 798 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 799 }; 800 801 ccw_machine_2_9_class_options(mc); 802 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 803 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 804 } 805 DEFINE_CCW_MACHINE(2_8, "2.8", false); 806 807 static void ccw_machine_2_7_instance_options(MachineState *machine) 808 { 809 ccw_machine_2_8_instance_options(machine); 810 } 811 812 static void ccw_machine_2_7_class_options(MachineClass *mc) 813 { 814 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 815 816 s390mc->cpu_model_allowed = false; 817 ccw_machine_2_8_class_options(mc); 818 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 819 } 820 DEFINE_CCW_MACHINE(2_7, "2.7", false); 821 822 static void ccw_machine_2_6_instance_options(MachineState *machine) 823 { 824 ccw_machine_2_7_instance_options(machine); 825 } 826 827 static void ccw_machine_2_6_class_options(MachineClass *mc) 828 { 829 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 830 static GlobalProperty compat[] = { 831 { TYPE_S390_IPL, "iplbext_migration", "off", }, 832 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 833 }; 834 835 s390mc->ri_allowed = false; 836 ccw_machine_2_7_class_options(mc); 837 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 838 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 839 } 840 DEFINE_CCW_MACHINE(2_6, "2.6", false); 841 842 static void ccw_machine_2_5_instance_options(MachineState *machine) 843 { 844 ccw_machine_2_6_instance_options(machine); 845 } 846 847 static void ccw_machine_2_5_class_options(MachineClass *mc) 848 { 849 ccw_machine_2_6_class_options(mc); 850 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 851 } 852 DEFINE_CCW_MACHINE(2_5, "2.5", false); 853 854 static void ccw_machine_2_4_instance_options(MachineState *machine) 855 { 856 ccw_machine_2_5_instance_options(machine); 857 } 858 859 static void ccw_machine_2_4_class_options(MachineClass *mc) 860 { 861 static GlobalProperty compat[] = { 862 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 863 { "virtio-blk-ccw", "max_revision", "0", }, 864 { "virtio-balloon-ccw", "max_revision", "0", }, 865 { "virtio-serial-ccw", "max_revision", "0", }, 866 { "virtio-9p-ccw", "max_revision", "0", }, 867 { "virtio-rng-ccw", "max_revision", "0", }, 868 { "virtio-net-ccw", "max_revision", "0", }, 869 { "virtio-scsi-ccw", "max_revision", "0", }, 870 { "vhost-scsi-ccw", "max_revision", "0", }, 871 }; 872 873 ccw_machine_2_5_class_options(mc); 874 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 875 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 876 } 877 DEFINE_CCW_MACHINE(2_4, "2.4", false); 878 879 static void ccw_machine_register_types(void) 880 { 881 type_register_static(&ccw_machine_info); 882 } 883 884 type_init(ccw_machine_register_types) 885