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 "hw/s390x/storage-keys.h" 31 #include "hw/s390x/storage-attributes.h" 32 #include "hw/s390x/event-facility.h" 33 #include "ipl.h" 34 #include "hw/s390x/s390-virtio-ccw.h" 35 #include "hw/s390x/css-bridge.h" 36 #include "hw/s390x/ap-bridge.h" 37 #include "migration/register.h" 38 #include "cpu_models.h" 39 #include "hw/nmi.h" 40 #include "hw/s390x/tod.h" 41 42 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 43 { 44 static MachineState *ms; 45 46 if (!ms) { 47 ms = MACHINE(qdev_get_machine()); 48 g_assert(ms->possible_cpus); 49 } 50 51 /* CPU address corresponds to the core_id and the index */ 52 if (cpu_addr >= ms->possible_cpus->len) { 53 return NULL; 54 } 55 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 56 } 57 58 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 59 Error **errp) 60 { 61 S390CPU *cpu = S390_CPU(object_new(typename)); 62 Error *err = NULL; 63 64 object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); 65 if (err != NULL) { 66 goto out; 67 } 68 object_property_set_bool(OBJECT(cpu), true, "realized", &err); 69 70 out: 71 object_unref(OBJECT(cpu)); 72 if (err) { 73 error_propagate(errp, err); 74 cpu = NULL; 75 } 76 return cpu; 77 } 78 79 static void s390_init_cpus(MachineState *machine) 80 { 81 MachineClass *mc = MACHINE_GET_CLASS(machine); 82 int i; 83 84 /* initialize possible_cpus */ 85 mc->possible_cpu_arch_ids(machine); 86 87 for (i = 0; i < smp_cpus; i++) { 88 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 89 } 90 } 91 92 static const char *const reset_dev_types[] = { 93 TYPE_VIRTUAL_CSS_BRIDGE, 94 "s390-sclp-event-facility", 95 "s390-flic", 96 "diag288", 97 }; 98 99 static void subsystem_reset(void) 100 { 101 DeviceState *dev; 102 int i; 103 104 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 105 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 106 if (dev) { 107 qdev_reset_all(dev); 108 } 109 } 110 } 111 112 static int virtio_ccw_hcall_notify(const uint64_t *args) 113 { 114 uint64_t subch_id = args[0]; 115 uint64_t queue = args[1]; 116 SubchDev *sch; 117 int cssid, ssid, schid, m; 118 119 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 120 return -EINVAL; 121 } 122 sch = css_find_subch(m, cssid, ssid, schid); 123 if (!sch || !css_subch_visible(sch)) { 124 return -EINVAL; 125 } 126 if (queue >= VIRTIO_QUEUE_MAX) { 127 return -EINVAL; 128 } 129 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 130 return 0; 131 132 } 133 134 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 135 { 136 uint64_t mem = args[0]; 137 138 if (mem < ram_size) { 139 /* Early printk */ 140 return 0; 141 } 142 return -EINVAL; 143 } 144 145 static void virtio_ccw_register_hcalls(void) 146 { 147 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 148 virtio_ccw_hcall_notify); 149 /* Tolerate early printk. */ 150 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 151 virtio_ccw_hcall_early_printk); 152 } 153 154 /* 155 * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages 156 * as the dirty bitmap must be managed by bitops that take an int as 157 * position indicator. If we have a guest beyond that we will split off 158 * new subregions. The split must happen on a segment boundary (1MB). 159 */ 160 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1) 161 #define SEG_MSK (~0xfffffULL) 162 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK) 163 static void s390_memory_init(ram_addr_t mem_size) 164 { 165 MemoryRegion *sysmem = get_system_memory(); 166 ram_addr_t chunk, offset = 0; 167 unsigned int number = 0; 168 Error *local_err = NULL; 169 gchar *name; 170 171 /* allocate RAM for core */ 172 name = g_strdup_printf("s390.ram"); 173 while (mem_size) { 174 MemoryRegion *ram = g_new(MemoryRegion, 1); 175 uint64_t size = mem_size; 176 177 /* KVM does not allow memslots >= 8 TB */ 178 chunk = MIN(size, KVM_SLOT_MAX_BYTES); 179 memory_region_allocate_system_memory(ram, NULL, name, chunk); 180 memory_region_add_subregion(sysmem, offset, ram); 181 mem_size -= chunk; 182 offset += chunk; 183 g_free(name); 184 name = g_strdup_printf("s390.ram.%u", ++number); 185 } 186 g_free(name); 187 188 /* 189 * Configure the maximum page size. As no memory devices were created 190 * yet, this is the page size of initial memory only. 191 */ 192 s390_set_max_pagesize(qemu_maxrampagesize(), &local_err); 193 if (local_err) { 194 error_report_err(local_err); 195 exit(EXIT_FAILURE); 196 } 197 /* Initialize storage key device */ 198 s390_skeys_init(); 199 /* Initialize storage attributes device */ 200 s390_stattrib_init(); 201 } 202 203 static void s390_init_ipl_dev(const char *kernel_filename, 204 const char *kernel_cmdline, 205 const char *initrd_filename, const char *firmware, 206 const char *netboot_fw, bool enforce_bios) 207 { 208 Object *new = object_new(TYPE_S390_IPL); 209 DeviceState *dev = DEVICE(new); 210 char *netboot_fw_prop; 211 212 if (kernel_filename) { 213 qdev_prop_set_string(dev, "kernel", kernel_filename); 214 } 215 if (initrd_filename) { 216 qdev_prop_set_string(dev, "initrd", initrd_filename); 217 } 218 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 219 qdev_prop_set_string(dev, "firmware", firmware); 220 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 221 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 222 if (!strlen(netboot_fw_prop)) { 223 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 224 } 225 g_free(netboot_fw_prop); 226 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 227 new, NULL); 228 object_unref(new); 229 qdev_init_nofail(dev); 230 } 231 232 static void s390_create_virtio_net(BusState *bus, const char *name) 233 { 234 int i; 235 236 for (i = 0; i < nb_nics; i++) { 237 NICInfo *nd = &nd_table[i]; 238 DeviceState *dev; 239 240 if (!nd->model) { 241 nd->model = g_strdup("virtio"); 242 } 243 244 qemu_check_nic_model(nd, "virtio"); 245 246 dev = qdev_create(bus, name); 247 qdev_set_nic_properties(dev, nd); 248 qdev_init_nofail(dev); 249 } 250 } 251 252 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 253 { 254 DeviceState *dev; 255 256 dev = qdev_create(sclp_get_event_facility_bus(), type); 257 qdev_prop_set_chr(dev, "chardev", chardev); 258 qdev_init_nofail(dev); 259 } 260 261 static void ccw_init(MachineState *machine) 262 { 263 int ret; 264 VirtualCssBus *css_bus; 265 DeviceState *dev; 266 267 s390_sclp_init(); 268 /* init memory + setup max page size. Required for the CPU model */ 269 s390_memory_init(machine->ram_size); 270 271 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 272 s390_init_cpus(machine); 273 274 s390_flic_init(); 275 276 /* init the SIGP facility */ 277 s390_init_sigp(); 278 279 /* create AP bridge and bus(es) */ 280 s390_init_ap(); 281 282 /* get a BUS */ 283 css_bus = virtual_css_bus_init(); 284 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 285 machine->initrd_filename, "s390-ccw.img", 286 "s390-netboot.img", true); 287 288 dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); 289 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 290 OBJECT(dev), NULL); 291 qdev_init_nofail(dev); 292 293 /* register hypercalls */ 294 virtio_ccw_register_hcalls(); 295 296 s390_enable_css_support(s390_cpu_addr2state(0)); 297 298 ret = css_create_css_image(VIRTUAL_CSSID, true); 299 300 assert(ret == 0); 301 if (css_migration_enabled()) { 302 css_register_vmstate(); 303 } 304 305 /* Create VirtIO network adapters */ 306 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 307 308 /* init consoles */ 309 if (serial_hd(0)) { 310 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 311 } 312 if (serial_hd(1)) { 313 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 314 } 315 316 /* init the TOD clock */ 317 s390_init_tod(); 318 } 319 320 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 321 DeviceState *dev, Error **errp) 322 { 323 MachineState *ms = MACHINE(hotplug_dev); 324 S390CPU *cpu = S390_CPU(dev); 325 326 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 327 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 328 329 if (dev->hotplugged) { 330 raise_irq_cpu_hotplug(); 331 } 332 } 333 334 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 335 { 336 S390CPU *cpu = S390_CPU(cs); 337 338 s390_ipl_prepare_cpu(cpu); 339 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 340 } 341 342 static void s390_machine_reset(MachineState *machine) 343 { 344 enum s390_reset reset_type; 345 CPUState *cs, *t; 346 347 /* get the reset parameters, reset them once done */ 348 s390_ipl_get_reset_request(&cs, &reset_type); 349 350 /* all CPUs are paused and synchronized at this point */ 351 s390_cmma_reset(); 352 353 switch (reset_type) { 354 case S390_RESET_EXTERNAL: 355 case S390_RESET_REIPL: 356 qemu_devices_reset(); 357 s390_crypto_reset(); 358 359 /* configure and start the ipl CPU only */ 360 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 361 break; 362 case S390_RESET_MODIFIED_CLEAR: 363 CPU_FOREACH(t) { 364 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 365 } 366 subsystem_reset(); 367 s390_crypto_reset(); 368 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 369 break; 370 case S390_RESET_LOAD_NORMAL: 371 CPU_FOREACH(t) { 372 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 373 } 374 subsystem_reset(); 375 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 376 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 377 break; 378 default: 379 g_assert_not_reached(); 380 } 381 s390_ipl_clear_reset_request(); 382 } 383 384 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 385 DeviceState *dev, Error **errp) 386 { 387 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 388 s390_cpu_plug(hotplug_dev, dev, errp); 389 } 390 } 391 392 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 393 DeviceState *dev, Error **errp) 394 { 395 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 396 error_setg(errp, "CPU hot unplug not supported on this machine"); 397 return; 398 } 399 } 400 401 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 402 unsigned cpu_index) 403 { 404 MachineClass *mc = MACHINE_GET_CLASS(ms); 405 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 406 407 assert(cpu_index < possible_cpus->len); 408 return possible_cpus->cpus[cpu_index].props; 409 } 410 411 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 412 { 413 int i; 414 415 if (ms->possible_cpus) { 416 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 417 return ms->possible_cpus; 418 } 419 420 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 421 sizeof(CPUArchId) * max_cpus); 422 ms->possible_cpus->len = max_cpus; 423 for (i = 0; i < ms->possible_cpus->len; i++) { 424 ms->possible_cpus->cpus[i].type = ms->cpu_type; 425 ms->possible_cpus->cpus[i].vcpus_count = 1; 426 ms->possible_cpus->cpus[i].arch_id = i; 427 ms->possible_cpus->cpus[i].props.has_core_id = true; 428 ms->possible_cpus->cpus[i].props.core_id = i; 429 } 430 431 return ms->possible_cpus; 432 } 433 434 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 435 DeviceState *dev) 436 { 437 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 438 return HOTPLUG_HANDLER(machine); 439 } 440 return NULL; 441 } 442 443 static void s390_hot_add_cpu(MachineState *machine, 444 const int64_t id, Error **errp) 445 { 446 ObjectClass *oc; 447 448 g_assert(machine->possible_cpus->cpus[0].cpu); 449 oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); 450 451 s390x_new_cpu(object_class_get_name(oc), id, errp); 452 } 453 454 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 455 { 456 CPUState *cs = qemu_get_cpu(cpu_index); 457 458 s390_cpu_restart(S390_CPU(cs)); 459 } 460 461 static void ccw_machine_class_init(ObjectClass *oc, void *data) 462 { 463 MachineClass *mc = MACHINE_CLASS(oc); 464 NMIClass *nc = NMI_CLASS(oc); 465 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 466 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 467 468 s390mc->ri_allowed = true; 469 s390mc->cpu_model_allowed = true; 470 s390mc->css_migration_enabled = true; 471 s390mc->hpage_1m_allowed = true; 472 mc->init = ccw_init; 473 mc->reset = s390_machine_reset; 474 mc->hot_add_cpu = s390_hot_add_cpu; 475 mc->block_default_type = IF_VIRTIO; 476 mc->no_cdrom = 1; 477 mc->no_floppy = 1; 478 mc->no_parallel = 1; 479 mc->no_sdcard = 1; 480 mc->max_cpus = S390_MAX_CPUS; 481 mc->has_hotpluggable_cpus = true; 482 assert(!mc->get_hotplug_handler); 483 mc->get_hotplug_handler = s390_get_hotplug_handler; 484 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 485 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 486 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 487 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 488 hc->plug = s390_machine_device_plug; 489 hc->unplug_request = s390_machine_device_unplug_request; 490 nc->nmi_monitor_handler = s390_nmi; 491 } 492 493 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 494 { 495 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 496 497 return ms->aes_key_wrap; 498 } 499 500 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 501 Error **errp) 502 { 503 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 504 505 ms->aes_key_wrap = value; 506 } 507 508 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 509 { 510 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 511 512 return ms->dea_key_wrap; 513 } 514 515 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 516 Error **errp) 517 { 518 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 519 520 ms->dea_key_wrap = value; 521 } 522 523 static S390CcwMachineClass *current_mc; 524 525 static S390CcwMachineClass *get_machine_class(void) 526 { 527 if (unlikely(!current_mc)) { 528 /* 529 * No s390 ccw machine was instantiated, we are likely to 530 * be called for the 'none' machine. The properties will 531 * have their after-initialization values. 532 */ 533 current_mc = S390_MACHINE_CLASS( 534 object_class_by_name(TYPE_S390_CCW_MACHINE)); 535 } 536 return current_mc; 537 } 538 539 bool ri_allowed(void) 540 { 541 /* for "none" machine this results in true */ 542 return get_machine_class()->ri_allowed; 543 } 544 545 bool cpu_model_allowed(void) 546 { 547 /* for "none" machine this results in true */ 548 return get_machine_class()->cpu_model_allowed; 549 } 550 551 bool hpage_1m_allowed(void) 552 { 553 /* for "none" machine this results in true */ 554 return get_machine_class()->hpage_1m_allowed; 555 } 556 557 static char *machine_get_loadparm(Object *obj, Error **errp) 558 { 559 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 560 561 return g_memdup(ms->loadparm, sizeof(ms->loadparm)); 562 } 563 564 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 565 { 566 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 567 int i; 568 569 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 570 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 571 572 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 573 (c == ' ')) { 574 ms->loadparm[i] = c; 575 } else { 576 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 577 c, c); 578 return; 579 } 580 } 581 582 for (; i < sizeof(ms->loadparm); i++) { 583 ms->loadparm[i] = ' '; /* pad right with spaces */ 584 } 585 } 586 static inline void s390_machine_initfn(Object *obj) 587 { 588 object_property_add_bool(obj, "aes-key-wrap", 589 machine_get_aes_key_wrap, 590 machine_set_aes_key_wrap, NULL); 591 object_property_set_description(obj, "aes-key-wrap", 592 "enable/disable AES key wrapping using the CPACF wrapping key", 593 NULL); 594 object_property_set_bool(obj, true, "aes-key-wrap", NULL); 595 596 object_property_add_bool(obj, "dea-key-wrap", 597 machine_get_dea_key_wrap, 598 machine_set_dea_key_wrap, NULL); 599 object_property_set_description(obj, "dea-key-wrap", 600 "enable/disable DEA key wrapping using the CPACF wrapping key", 601 NULL); 602 object_property_set_bool(obj, true, "dea-key-wrap", NULL); 603 object_property_add_str(obj, "loadparm", 604 machine_get_loadparm, machine_set_loadparm, NULL); 605 object_property_set_description(obj, "loadparm", 606 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 607 " to upper case) to pass to machine loader, boot manager," 608 " and guest kernel", 609 NULL); 610 } 611 612 static const TypeInfo ccw_machine_info = { 613 .name = TYPE_S390_CCW_MACHINE, 614 .parent = TYPE_MACHINE, 615 .abstract = true, 616 .instance_size = sizeof(S390CcwMachineState), 617 .instance_init = s390_machine_initfn, 618 .class_size = sizeof(S390CcwMachineClass), 619 .class_init = ccw_machine_class_init, 620 .interfaces = (InterfaceInfo[]) { 621 { TYPE_NMI }, 622 { TYPE_HOTPLUG_HANDLER}, 623 { } 624 }, 625 }; 626 627 bool css_migration_enabled(void) 628 { 629 return get_machine_class()->css_migration_enabled; 630 } 631 632 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 633 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 634 void *data) \ 635 { \ 636 MachineClass *mc = MACHINE_CLASS(oc); \ 637 ccw_machine_##suffix##_class_options(mc); \ 638 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 639 if (latest) { \ 640 mc->alias = "s390-ccw-virtio"; \ 641 mc->is_default = 1; \ 642 } \ 643 } \ 644 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 645 { \ 646 MachineState *machine = MACHINE(obj); \ 647 current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 648 ccw_machine_##suffix##_instance_options(machine); \ 649 } \ 650 static const TypeInfo ccw_machine_##suffix##_info = { \ 651 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 652 .parent = TYPE_S390_CCW_MACHINE, \ 653 .class_init = ccw_machine_##suffix##_class_init, \ 654 .instance_init = ccw_machine_##suffix##_instance_init, \ 655 }; \ 656 static void ccw_machine_register_##suffix(void) \ 657 { \ 658 type_register_static(&ccw_machine_##suffix##_info); \ 659 } \ 660 type_init(ccw_machine_register_##suffix) 661 662 static void ccw_machine_4_1_instance_options(MachineState *machine) 663 { 664 } 665 666 static void ccw_machine_4_1_class_options(MachineClass *mc) 667 { 668 } 669 DEFINE_CCW_MACHINE(4_1, "4.1", true); 670 671 static void ccw_machine_4_0_instance_options(MachineState *machine) 672 { 673 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 674 ccw_machine_4_1_instance_options(machine); 675 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 676 } 677 678 static void ccw_machine_4_0_class_options(MachineClass *mc) 679 { 680 ccw_machine_4_1_class_options(mc); 681 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 682 } 683 DEFINE_CCW_MACHINE(4_0, "4.0", false); 684 685 static void ccw_machine_3_1_instance_options(MachineState *machine) 686 { 687 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 688 ccw_machine_4_0_instance_options(machine); 689 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 690 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 691 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 692 } 693 694 static void ccw_machine_3_1_class_options(MachineClass *mc) 695 { 696 ccw_machine_4_0_class_options(mc); 697 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 698 } 699 DEFINE_CCW_MACHINE(3_1, "3.1", false); 700 701 static void ccw_machine_3_0_instance_options(MachineState *machine) 702 { 703 ccw_machine_3_1_instance_options(machine); 704 } 705 706 static void ccw_machine_3_0_class_options(MachineClass *mc) 707 { 708 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 709 710 s390mc->hpage_1m_allowed = false; 711 ccw_machine_3_1_class_options(mc); 712 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 713 } 714 DEFINE_CCW_MACHINE(3_0, "3.0", false); 715 716 static void ccw_machine_2_12_instance_options(MachineState *machine) 717 { 718 ccw_machine_3_0_instance_options(machine); 719 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 720 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 721 } 722 723 static void ccw_machine_2_12_class_options(MachineClass *mc) 724 { 725 ccw_machine_3_0_class_options(mc); 726 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 727 } 728 DEFINE_CCW_MACHINE(2_12, "2.12", false); 729 730 static void ccw_machine_2_11_instance_options(MachineState *machine) 731 { 732 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 733 ccw_machine_2_12_instance_options(machine); 734 735 /* before 2.12 we emulated the very first z900 */ 736 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 737 } 738 739 static void ccw_machine_2_11_class_options(MachineClass *mc) 740 { 741 static GlobalProperty compat[] = { 742 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 743 }; 744 745 ccw_machine_2_12_class_options(mc); 746 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 747 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 748 } 749 DEFINE_CCW_MACHINE(2_11, "2.11", false); 750 751 static void ccw_machine_2_10_instance_options(MachineState *machine) 752 { 753 ccw_machine_2_11_instance_options(machine); 754 } 755 756 static void ccw_machine_2_10_class_options(MachineClass *mc) 757 { 758 ccw_machine_2_11_class_options(mc); 759 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 760 } 761 DEFINE_CCW_MACHINE(2_10, "2.10", false); 762 763 static void ccw_machine_2_9_instance_options(MachineState *machine) 764 { 765 ccw_machine_2_10_instance_options(machine); 766 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 767 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 768 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 769 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 770 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 771 } 772 773 static void ccw_machine_2_9_class_options(MachineClass *mc) 774 { 775 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 776 static GlobalProperty compat[] = { 777 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 778 }; 779 780 ccw_machine_2_10_class_options(mc); 781 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 782 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 783 s390mc->css_migration_enabled = false; 784 } 785 DEFINE_CCW_MACHINE(2_9, "2.9", false); 786 787 static void ccw_machine_2_8_instance_options(MachineState *machine) 788 { 789 ccw_machine_2_9_instance_options(machine); 790 } 791 792 static void ccw_machine_2_8_class_options(MachineClass *mc) 793 { 794 static GlobalProperty compat[] = { 795 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 796 }; 797 798 ccw_machine_2_9_class_options(mc); 799 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 800 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 801 } 802 DEFINE_CCW_MACHINE(2_8, "2.8", false); 803 804 static void ccw_machine_2_7_instance_options(MachineState *machine) 805 { 806 ccw_machine_2_8_instance_options(machine); 807 } 808 809 static void ccw_machine_2_7_class_options(MachineClass *mc) 810 { 811 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 812 813 s390mc->cpu_model_allowed = false; 814 ccw_machine_2_8_class_options(mc); 815 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 816 } 817 DEFINE_CCW_MACHINE(2_7, "2.7", false); 818 819 static void ccw_machine_2_6_instance_options(MachineState *machine) 820 { 821 ccw_machine_2_7_instance_options(machine); 822 } 823 824 static void ccw_machine_2_6_class_options(MachineClass *mc) 825 { 826 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 827 static GlobalProperty compat[] = { 828 { TYPE_S390_IPL, "iplbext_migration", "off", }, 829 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 830 }; 831 832 s390mc->ri_allowed = false; 833 ccw_machine_2_7_class_options(mc); 834 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 835 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 836 } 837 DEFINE_CCW_MACHINE(2_6, "2.6", false); 838 839 static void ccw_machine_2_5_instance_options(MachineState *machine) 840 { 841 ccw_machine_2_6_instance_options(machine); 842 } 843 844 static void ccw_machine_2_5_class_options(MachineClass *mc) 845 { 846 ccw_machine_2_6_class_options(mc); 847 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 848 } 849 DEFINE_CCW_MACHINE(2_5, "2.5", false); 850 851 static void ccw_machine_2_4_instance_options(MachineState *machine) 852 { 853 ccw_machine_2_5_instance_options(machine); 854 } 855 856 static void ccw_machine_2_4_class_options(MachineClass *mc) 857 { 858 static GlobalProperty compat[] = { 859 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 860 { "virtio-blk-ccw", "max_revision", "0", }, 861 { "virtio-balloon-ccw", "max_revision", "0", }, 862 { "virtio-serial-ccw", "max_revision", "0", }, 863 { "virtio-9p-ccw", "max_revision", "0", }, 864 { "virtio-rng-ccw", "max_revision", "0", }, 865 { "virtio-net-ccw", "max_revision", "0", }, 866 { "virtio-scsi-ccw", "max_revision", "0", }, 867 { "vhost-scsi-ccw", "max_revision", "0", }, 868 }; 869 870 ccw_machine_2_5_class_options(mc); 871 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 872 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 873 } 874 DEFINE_CCW_MACHINE(2_4, "2.4", false); 875 876 static void ccw_machine_register_types(void) 877 { 878 type_register_static(&ccw_machine_info); 879 } 880 881 type_init(ccw_machine_register_types) 882