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/error-report.h" 27 #include "qemu/option.h" 28 #include "s390-pci-bus.h" 29 #include "hw/s390x/storage-keys.h" 30 #include "hw/s390x/storage-attributes.h" 31 #include "hw/s390x/event-facility.h" 32 #include "ipl.h" 33 #include "hw/s390x/s390-virtio-ccw.h" 34 #include "hw/s390x/css-bridge.h" 35 #include "hw/s390x/ap-bridge.h" 36 #include "migration/register.h" 37 #include "cpu_models.h" 38 #include "hw/nmi.h" 39 #include "hw/s390x/tod.h" 40 41 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 42 { 43 static MachineState *ms; 44 45 if (!ms) { 46 ms = MACHINE(qdev_get_machine()); 47 g_assert(ms->possible_cpus); 48 } 49 50 /* CPU address corresponds to the core_id and the index */ 51 if (cpu_addr >= ms->possible_cpus->len) { 52 return NULL; 53 } 54 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 55 } 56 57 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 58 Error **errp) 59 { 60 S390CPU *cpu = S390_CPU(object_new(typename)); 61 Error *err = NULL; 62 63 object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); 64 if (err != NULL) { 65 goto out; 66 } 67 object_property_set_bool(OBJECT(cpu), true, "realized", &err); 68 69 out: 70 object_unref(OBJECT(cpu)); 71 if (err) { 72 error_propagate(errp, err); 73 cpu = NULL; 74 } 75 return cpu; 76 } 77 78 static void s390_init_cpus(MachineState *machine) 79 { 80 MachineClass *mc = MACHINE_GET_CLASS(machine); 81 int i; 82 83 /* initialize possible_cpus */ 84 mc->possible_cpu_arch_ids(machine); 85 86 for (i = 0; i < smp_cpus; i++) { 87 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 88 } 89 } 90 91 static const char *const reset_dev_types[] = { 92 TYPE_VIRTUAL_CSS_BRIDGE, 93 "s390-sclp-event-facility", 94 "s390-flic", 95 "diag288", 96 }; 97 98 static void subsystem_reset(void) 99 { 100 DeviceState *dev; 101 int i; 102 103 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 104 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 105 if (dev) { 106 qdev_reset_all(dev); 107 } 108 } 109 } 110 111 static int virtio_ccw_hcall_notify(const uint64_t *args) 112 { 113 uint64_t subch_id = args[0]; 114 uint64_t queue = args[1]; 115 SubchDev *sch; 116 int cssid, ssid, schid, m; 117 118 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 119 return -EINVAL; 120 } 121 sch = css_find_subch(m, cssid, ssid, schid); 122 if (!sch || !css_subch_visible(sch)) { 123 return -EINVAL; 124 } 125 if (queue >= VIRTIO_QUEUE_MAX) { 126 return -EINVAL; 127 } 128 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 129 return 0; 130 131 } 132 133 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 134 { 135 uint64_t mem = args[0]; 136 137 if (mem < ram_size) { 138 /* Early printk */ 139 return 0; 140 } 141 return -EINVAL; 142 } 143 144 static void virtio_ccw_register_hcalls(void) 145 { 146 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 147 virtio_ccw_hcall_notify); 148 /* Tolerate early printk. */ 149 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 150 virtio_ccw_hcall_early_printk); 151 } 152 153 /* 154 * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages 155 * as the dirty bitmap must be managed by bitops that take an int as 156 * position indicator. If we have a guest beyond that we will split off 157 * new subregions. The split must happen on a segment boundary (1MB). 158 */ 159 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1) 160 #define SEG_MSK (~0xfffffULL) 161 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK) 162 static void s390_memory_init(ram_addr_t mem_size) 163 { 164 MemoryRegion *sysmem = get_system_memory(); 165 ram_addr_t chunk, offset = 0; 166 unsigned int number = 0; 167 Error *local_err = NULL; 168 gchar *name; 169 170 /* allocate RAM for core */ 171 name = g_strdup_printf("s390.ram"); 172 while (mem_size) { 173 MemoryRegion *ram = g_new(MemoryRegion, 1); 174 uint64_t size = mem_size; 175 176 /* KVM does not allow memslots >= 8 TB */ 177 chunk = MIN(size, KVM_SLOT_MAX_BYTES); 178 memory_region_allocate_system_memory(ram, NULL, name, chunk); 179 memory_region_add_subregion(sysmem, offset, ram); 180 mem_size -= chunk; 181 offset += chunk; 182 g_free(name); 183 name = g_strdup_printf("s390.ram.%u", ++number); 184 } 185 g_free(name); 186 187 /* 188 * Configure the maximum page size. As no memory devices were created 189 * yet, this is the page size of initial memory only. 190 */ 191 s390_set_max_pagesize(qemu_maxrampagesize(), &local_err); 192 if (local_err) { 193 error_report_err(local_err); 194 exit(EXIT_FAILURE); 195 } 196 /* Initialize storage key device */ 197 s390_skeys_init(); 198 /* Initialize storage attributes device */ 199 s390_stattrib_init(); 200 } 201 202 static void s390_init_ipl_dev(const char *kernel_filename, 203 const char *kernel_cmdline, 204 const char *initrd_filename, const char *firmware, 205 const char *netboot_fw, bool enforce_bios) 206 { 207 Object *new = object_new(TYPE_S390_IPL); 208 DeviceState *dev = DEVICE(new); 209 char *netboot_fw_prop; 210 211 if (kernel_filename) { 212 qdev_prop_set_string(dev, "kernel", kernel_filename); 213 } 214 if (initrd_filename) { 215 qdev_prop_set_string(dev, "initrd", initrd_filename); 216 } 217 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 218 qdev_prop_set_string(dev, "firmware", firmware); 219 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 220 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 221 if (!strlen(netboot_fw_prop)) { 222 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 223 } 224 g_free(netboot_fw_prop); 225 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 226 new, NULL); 227 object_unref(new); 228 qdev_init_nofail(dev); 229 } 230 231 static void s390_create_virtio_net(BusState *bus, const char *name) 232 { 233 int i; 234 235 for (i = 0; i < nb_nics; i++) { 236 NICInfo *nd = &nd_table[i]; 237 DeviceState *dev; 238 239 if (!nd->model) { 240 nd->model = g_strdup("virtio"); 241 } 242 243 qemu_check_nic_model(nd, "virtio"); 244 245 dev = qdev_create(bus, name); 246 qdev_set_nic_properties(dev, nd); 247 qdev_init_nofail(dev); 248 } 249 } 250 251 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 252 { 253 DeviceState *dev; 254 255 dev = qdev_create(sclp_get_event_facility_bus(), type); 256 qdev_prop_set_chr(dev, "chardev", chardev); 257 qdev_init_nofail(dev); 258 } 259 260 static void ccw_init(MachineState *machine) 261 { 262 int ret; 263 VirtualCssBus *css_bus; 264 DeviceState *dev; 265 266 s390_sclp_init(); 267 /* init memory + setup max page size. Required for the CPU model */ 268 s390_memory_init(machine->ram_size); 269 270 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 271 s390_init_cpus(machine); 272 273 s390_flic_init(); 274 275 /* init the SIGP facility */ 276 s390_init_sigp(); 277 278 /* create AP bridge and bus(es) */ 279 s390_init_ap(); 280 281 /* get a BUS */ 282 css_bus = virtual_css_bus_init(); 283 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 284 machine->initrd_filename, "s390-ccw.img", 285 "s390-netboot.img", true); 286 287 dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); 288 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 289 OBJECT(dev), NULL); 290 qdev_init_nofail(dev); 291 292 /* register hypercalls */ 293 virtio_ccw_register_hcalls(); 294 295 s390_enable_css_support(s390_cpu_addr2state(0)); 296 297 ret = css_create_css_image(VIRTUAL_CSSID, true); 298 299 assert(ret == 0); 300 if (css_migration_enabled()) { 301 css_register_vmstate(); 302 } 303 304 /* Create VirtIO network adapters */ 305 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 306 307 /* init consoles */ 308 if (serial_hd(0)) { 309 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 310 } 311 if (serial_hd(1)) { 312 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 313 } 314 315 /* init the TOD clock */ 316 s390_init_tod(); 317 } 318 319 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 320 DeviceState *dev, Error **errp) 321 { 322 MachineState *ms = MACHINE(hotplug_dev); 323 S390CPU *cpu = S390_CPU(dev); 324 325 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 326 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 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_reset(void) 342 { 343 enum s390_reset reset_type; 344 CPUState *cs, *t; 345 346 /* get the reset parameters, reset them once done */ 347 s390_ipl_get_reset_request(&cs, &reset_type); 348 349 /* all CPUs are paused and synchronized at this point */ 350 s390_cmma_reset(); 351 352 switch (reset_type) { 353 case S390_RESET_EXTERNAL: 354 case S390_RESET_REIPL: 355 qemu_devices_reset(); 356 s390_crypto_reset(); 357 358 /* configure and start the ipl CPU only */ 359 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 360 break; 361 case S390_RESET_MODIFIED_CLEAR: 362 CPU_FOREACH(t) { 363 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 364 } 365 subsystem_reset(); 366 s390_crypto_reset(); 367 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 368 break; 369 case S390_RESET_LOAD_NORMAL: 370 CPU_FOREACH(t) { 371 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 372 } 373 subsystem_reset(); 374 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 375 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 376 break; 377 default: 378 g_assert_not_reached(); 379 } 380 s390_ipl_clear_reset_request(); 381 } 382 383 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 384 DeviceState *dev, Error **errp) 385 { 386 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 387 s390_cpu_plug(hotplug_dev, dev, errp); 388 } 389 } 390 391 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 392 DeviceState *dev, Error **errp) 393 { 394 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 395 error_setg(errp, "CPU hot unplug not supported on this machine"); 396 return; 397 } 398 } 399 400 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 401 unsigned cpu_index) 402 { 403 MachineClass *mc = MACHINE_GET_CLASS(ms); 404 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 405 406 assert(cpu_index < possible_cpus->len); 407 return possible_cpus->cpus[cpu_index].props; 408 } 409 410 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 411 { 412 int i; 413 414 if (ms->possible_cpus) { 415 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 416 return ms->possible_cpus; 417 } 418 419 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 420 sizeof(CPUArchId) * max_cpus); 421 ms->possible_cpus->len = max_cpus; 422 for (i = 0; i < ms->possible_cpus->len; i++) { 423 ms->possible_cpus->cpus[i].type = ms->cpu_type; 424 ms->possible_cpus->cpus[i].vcpus_count = 1; 425 ms->possible_cpus->cpus[i].arch_id = i; 426 ms->possible_cpus->cpus[i].props.has_core_id = true; 427 ms->possible_cpus->cpus[i].props.core_id = i; 428 } 429 430 return ms->possible_cpus; 431 } 432 433 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 434 DeviceState *dev) 435 { 436 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 437 return HOTPLUG_HANDLER(machine); 438 } 439 return NULL; 440 } 441 442 static void s390_hot_add_cpu(const int64_t id, Error **errp) 443 { 444 MachineState *machine = MACHINE(qdev_get_machine()); 445 ObjectClass *oc; 446 447 g_assert(machine->possible_cpus->cpus[0].cpu); 448 oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); 449 450 s390x_new_cpu(object_class_get_name(oc), id, errp); 451 } 452 453 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 454 { 455 CPUState *cs = qemu_get_cpu(cpu_index); 456 457 s390_cpu_restart(S390_CPU(cs)); 458 } 459 460 static void ccw_machine_class_init(ObjectClass *oc, void *data) 461 { 462 MachineClass *mc = MACHINE_CLASS(oc); 463 NMIClass *nc = NMI_CLASS(oc); 464 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 465 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 466 467 s390mc->ri_allowed = true; 468 s390mc->cpu_model_allowed = true; 469 s390mc->css_migration_enabled = true; 470 s390mc->hpage_1m_allowed = true; 471 mc->init = ccw_init; 472 mc->reset = s390_machine_reset; 473 mc->hot_add_cpu = s390_hot_add_cpu; 474 mc->block_default_type = IF_VIRTIO; 475 mc->no_cdrom = 1; 476 mc->no_floppy = 1; 477 mc->no_parallel = 1; 478 mc->no_sdcard = 1; 479 mc->max_cpus = S390_MAX_CPUS; 480 mc->has_hotpluggable_cpus = true; 481 assert(!mc->get_hotplug_handler); 482 mc->get_hotplug_handler = s390_get_hotplug_handler; 483 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 484 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 485 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 486 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 487 hc->plug = s390_machine_device_plug; 488 hc->unplug_request = s390_machine_device_unplug_request; 489 nc->nmi_monitor_handler = s390_nmi; 490 } 491 492 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 493 { 494 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 495 496 return ms->aes_key_wrap; 497 } 498 499 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 500 Error **errp) 501 { 502 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 503 504 ms->aes_key_wrap = value; 505 } 506 507 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 508 { 509 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 510 511 return ms->dea_key_wrap; 512 } 513 514 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 515 Error **errp) 516 { 517 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 518 519 ms->dea_key_wrap = value; 520 } 521 522 static S390CcwMachineClass *current_mc; 523 524 static S390CcwMachineClass *get_machine_class(void) 525 { 526 if (unlikely(!current_mc)) { 527 /* 528 * No s390 ccw machine was instantiated, we are likely to 529 * be called for the 'none' machine. The properties will 530 * have their after-initialization values. 531 */ 532 current_mc = S390_MACHINE_CLASS( 533 object_class_by_name(TYPE_S390_CCW_MACHINE)); 534 } 535 return current_mc; 536 } 537 538 bool ri_allowed(void) 539 { 540 /* for "none" machine this results in true */ 541 return get_machine_class()->ri_allowed; 542 } 543 544 bool cpu_model_allowed(void) 545 { 546 /* for "none" machine this results in true */ 547 return get_machine_class()->cpu_model_allowed; 548 } 549 550 bool hpage_1m_allowed(void) 551 { 552 /* for "none" machine this results in true */ 553 return get_machine_class()->hpage_1m_allowed; 554 } 555 556 static char *machine_get_loadparm(Object *obj, Error **errp) 557 { 558 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 559 560 return g_memdup(ms->loadparm, sizeof(ms->loadparm)); 561 } 562 563 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 564 { 565 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 566 int i; 567 568 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 569 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 570 571 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 572 (c == ' ')) { 573 ms->loadparm[i] = c; 574 } else { 575 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 576 c, c); 577 return; 578 } 579 } 580 581 for (; i < sizeof(ms->loadparm); i++) { 582 ms->loadparm[i] = ' '; /* pad right with spaces */ 583 } 584 } 585 static inline void s390_machine_initfn(Object *obj) 586 { 587 object_property_add_bool(obj, "aes-key-wrap", 588 machine_get_aes_key_wrap, 589 machine_set_aes_key_wrap, NULL); 590 object_property_set_description(obj, "aes-key-wrap", 591 "enable/disable AES key wrapping using the CPACF wrapping key", 592 NULL); 593 object_property_set_bool(obj, true, "aes-key-wrap", NULL); 594 595 object_property_add_bool(obj, "dea-key-wrap", 596 machine_get_dea_key_wrap, 597 machine_set_dea_key_wrap, NULL); 598 object_property_set_description(obj, "dea-key-wrap", 599 "enable/disable DEA key wrapping using the CPACF wrapping key", 600 NULL); 601 object_property_set_bool(obj, true, "dea-key-wrap", NULL); 602 object_property_add_str(obj, "loadparm", 603 machine_get_loadparm, machine_set_loadparm, NULL); 604 object_property_set_description(obj, "loadparm", 605 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 606 " to upper case) to pass to machine loader, boot manager," 607 " and guest kernel", 608 NULL); 609 } 610 611 static const TypeInfo ccw_machine_info = { 612 .name = TYPE_S390_CCW_MACHINE, 613 .parent = TYPE_MACHINE, 614 .abstract = true, 615 .instance_size = sizeof(S390CcwMachineState), 616 .instance_init = s390_machine_initfn, 617 .class_size = sizeof(S390CcwMachineClass), 618 .class_init = ccw_machine_class_init, 619 .interfaces = (InterfaceInfo[]) { 620 { TYPE_NMI }, 621 { TYPE_HOTPLUG_HANDLER}, 622 { } 623 }, 624 }; 625 626 bool css_migration_enabled(void) 627 { 628 return get_machine_class()->css_migration_enabled; 629 } 630 631 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 632 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 633 void *data) \ 634 { \ 635 MachineClass *mc = MACHINE_CLASS(oc); \ 636 ccw_machine_##suffix##_class_options(mc); \ 637 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 638 if (latest) { \ 639 mc->alias = "s390-ccw-virtio"; \ 640 mc->is_default = 1; \ 641 } \ 642 } \ 643 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 644 { \ 645 MachineState *machine = MACHINE(obj); \ 646 current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 647 ccw_machine_##suffix##_instance_options(machine); \ 648 } \ 649 static const TypeInfo ccw_machine_##suffix##_info = { \ 650 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 651 .parent = TYPE_S390_CCW_MACHINE, \ 652 .class_init = ccw_machine_##suffix##_class_init, \ 653 .instance_init = ccw_machine_##suffix##_instance_init, \ 654 }; \ 655 static void ccw_machine_register_##suffix(void) \ 656 { \ 657 type_register_static(&ccw_machine_##suffix##_info); \ 658 } \ 659 type_init(ccw_machine_register_##suffix) 660 661 static void ccw_machine_4_1_instance_options(MachineState *machine) 662 { 663 } 664 665 static void ccw_machine_4_1_class_options(MachineClass *mc) 666 { 667 } 668 DEFINE_CCW_MACHINE(4_1, "4.1", true); 669 670 static void ccw_machine_4_0_instance_options(MachineState *machine) 671 { 672 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 673 ccw_machine_4_1_instance_options(machine); 674 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 675 } 676 677 static void ccw_machine_4_0_class_options(MachineClass *mc) 678 { 679 ccw_machine_4_1_class_options(mc); 680 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 681 } 682 DEFINE_CCW_MACHINE(4_0, "4.0", false); 683 684 static void ccw_machine_3_1_instance_options(MachineState *machine) 685 { 686 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 687 ccw_machine_4_0_instance_options(machine); 688 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 689 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 690 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 691 } 692 693 static void ccw_machine_3_1_class_options(MachineClass *mc) 694 { 695 ccw_machine_4_0_class_options(mc); 696 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 697 } 698 DEFINE_CCW_MACHINE(3_1, "3.1", false); 699 700 static void ccw_machine_3_0_instance_options(MachineState *machine) 701 { 702 ccw_machine_3_1_instance_options(machine); 703 } 704 705 static void ccw_machine_3_0_class_options(MachineClass *mc) 706 { 707 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 708 709 s390mc->hpage_1m_allowed = false; 710 ccw_machine_3_1_class_options(mc); 711 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 712 } 713 DEFINE_CCW_MACHINE(3_0, "3.0", false); 714 715 static void ccw_machine_2_12_instance_options(MachineState *machine) 716 { 717 ccw_machine_3_0_instance_options(machine); 718 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 719 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 720 } 721 722 static void ccw_machine_2_12_class_options(MachineClass *mc) 723 { 724 ccw_machine_3_0_class_options(mc); 725 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 726 } 727 DEFINE_CCW_MACHINE(2_12, "2.12", false); 728 729 static void ccw_machine_2_11_instance_options(MachineState *machine) 730 { 731 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 732 ccw_machine_2_12_instance_options(machine); 733 734 /* before 2.12 we emulated the very first z900 */ 735 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 736 } 737 738 static void ccw_machine_2_11_class_options(MachineClass *mc) 739 { 740 static GlobalProperty compat[] = { 741 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 742 }; 743 744 ccw_machine_2_12_class_options(mc); 745 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 746 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 747 } 748 DEFINE_CCW_MACHINE(2_11, "2.11", false); 749 750 static void ccw_machine_2_10_instance_options(MachineState *machine) 751 { 752 ccw_machine_2_11_instance_options(machine); 753 } 754 755 static void ccw_machine_2_10_class_options(MachineClass *mc) 756 { 757 ccw_machine_2_11_class_options(mc); 758 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 759 } 760 DEFINE_CCW_MACHINE(2_10, "2.10", false); 761 762 static void ccw_machine_2_9_instance_options(MachineState *machine) 763 { 764 ccw_machine_2_10_instance_options(machine); 765 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 766 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 767 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 768 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 769 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 770 } 771 772 static void ccw_machine_2_9_class_options(MachineClass *mc) 773 { 774 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 775 static GlobalProperty compat[] = { 776 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 777 }; 778 779 ccw_machine_2_10_class_options(mc); 780 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 781 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 782 s390mc->css_migration_enabled = false; 783 } 784 DEFINE_CCW_MACHINE(2_9, "2.9", false); 785 786 static void ccw_machine_2_8_instance_options(MachineState *machine) 787 { 788 ccw_machine_2_9_instance_options(machine); 789 } 790 791 static void ccw_machine_2_8_class_options(MachineClass *mc) 792 { 793 static GlobalProperty compat[] = { 794 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 795 }; 796 797 ccw_machine_2_9_class_options(mc); 798 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 799 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 800 } 801 DEFINE_CCW_MACHINE(2_8, "2.8", false); 802 803 static void ccw_machine_2_7_instance_options(MachineState *machine) 804 { 805 ccw_machine_2_8_instance_options(machine); 806 } 807 808 static void ccw_machine_2_7_class_options(MachineClass *mc) 809 { 810 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 811 812 s390mc->cpu_model_allowed = false; 813 ccw_machine_2_8_class_options(mc); 814 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 815 } 816 DEFINE_CCW_MACHINE(2_7, "2.7", false); 817 818 static void ccw_machine_2_6_instance_options(MachineState *machine) 819 { 820 ccw_machine_2_7_instance_options(machine); 821 } 822 823 static void ccw_machine_2_6_class_options(MachineClass *mc) 824 { 825 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 826 static GlobalProperty compat[] = { 827 { TYPE_S390_IPL, "iplbext_migration", "off", }, 828 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 829 }; 830 831 s390mc->ri_allowed = false; 832 ccw_machine_2_7_class_options(mc); 833 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 834 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 835 } 836 DEFINE_CCW_MACHINE(2_6, "2.6", false); 837 838 static void ccw_machine_2_5_instance_options(MachineState *machine) 839 { 840 ccw_machine_2_6_instance_options(machine); 841 } 842 843 static void ccw_machine_2_5_class_options(MachineClass *mc) 844 { 845 ccw_machine_2_6_class_options(mc); 846 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 847 } 848 DEFINE_CCW_MACHINE(2_5, "2.5", false); 849 850 static void ccw_machine_2_4_instance_options(MachineState *machine) 851 { 852 ccw_machine_2_5_instance_options(machine); 853 } 854 855 static void ccw_machine_2_4_class_options(MachineClass *mc) 856 { 857 static GlobalProperty compat[] = { 858 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 859 { "virtio-blk-ccw", "max_revision", "0", }, 860 { "virtio-balloon-ccw", "max_revision", "0", }, 861 { "virtio-serial-ccw", "max_revision", "0", }, 862 { "virtio-9p-ccw", "max_revision", "0", }, 863 { "virtio-rng-ccw", "max_revision", "0", }, 864 { "virtio-net-ccw", "max_revision", "0", }, 865 { "virtio-scsi-ccw", "max_revision", "0", }, 866 { "vhost-scsi-ccw", "max_revision", "0", }, 867 }; 868 869 ccw_machine_2_5_class_options(mc); 870 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 871 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 872 } 873 DEFINE_CCW_MACHINE(2_4, "2.4", false); 874 875 static void ccw_machine_register_types(void) 876 { 877 type_register_static(&ccw_machine_info); 878 } 879 880 type_init(ccw_machine_register_types) 881