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/s390x/tod.h" 42 43 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 44 { 45 static MachineState *ms; 46 47 if (!ms) { 48 ms = MACHINE(qdev_get_machine()); 49 g_assert(ms->possible_cpus); 50 } 51 52 /* CPU address corresponds to the core_id and the index */ 53 if (cpu_addr >= ms->possible_cpus->len) { 54 return NULL; 55 } 56 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 57 } 58 59 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 60 Error **errp) 61 { 62 S390CPU *cpu = S390_CPU(object_new(typename)); 63 Error *err = NULL; 64 65 object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); 66 if (err != NULL) { 67 goto out; 68 } 69 object_property_set_bool(OBJECT(cpu), true, "realized", &err); 70 71 out: 72 object_unref(OBJECT(cpu)); 73 if (err) { 74 error_propagate(errp, err); 75 cpu = NULL; 76 } 77 return cpu; 78 } 79 80 static void s390_init_cpus(MachineState *machine) 81 { 82 MachineClass *mc = MACHINE_GET_CLASS(machine); 83 int i; 84 85 /* initialize possible_cpus */ 86 mc->possible_cpu_arch_ids(machine); 87 88 for (i = 0; i < machine->smp.cpus; i++) { 89 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 90 } 91 } 92 93 static const char *const reset_dev_types[] = { 94 TYPE_VIRTUAL_CSS_BRIDGE, 95 "s390-sclp-event-facility", 96 "s390-flic", 97 "diag288", 98 }; 99 100 static void subsystem_reset(void) 101 { 102 DeviceState *dev; 103 int i; 104 105 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 106 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 107 if (dev) { 108 qdev_reset_all(dev); 109 } 110 } 111 } 112 113 static int virtio_ccw_hcall_notify(const uint64_t *args) 114 { 115 uint64_t subch_id = args[0]; 116 uint64_t queue = args[1]; 117 SubchDev *sch; 118 int cssid, ssid, schid, m; 119 120 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 121 return -EINVAL; 122 } 123 sch = css_find_subch(m, cssid, ssid, schid); 124 if (!sch || !css_subch_visible(sch)) { 125 return -EINVAL; 126 } 127 if (queue >= VIRTIO_QUEUE_MAX) { 128 return -EINVAL; 129 } 130 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 131 return 0; 132 133 } 134 135 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 136 { 137 uint64_t mem = args[0]; 138 139 if (mem < ram_size) { 140 /* Early printk */ 141 return 0; 142 } 143 return -EINVAL; 144 } 145 146 static void virtio_ccw_register_hcalls(void) 147 { 148 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 149 virtio_ccw_hcall_notify); 150 /* Tolerate early printk. */ 151 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 152 virtio_ccw_hcall_early_printk); 153 } 154 155 /* 156 * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages 157 * as the dirty bitmap must be managed by bitops that take an int as 158 * position indicator. If we have a guest beyond that we will split off 159 * new subregions. The split must happen on a segment boundary (1MB). 160 */ 161 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1) 162 #define SEG_MSK (~0xfffffULL) 163 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK) 164 static void s390_memory_init(ram_addr_t mem_size) 165 { 166 MemoryRegion *sysmem = get_system_memory(); 167 ram_addr_t chunk, offset = 0; 168 unsigned int number = 0; 169 Error *local_err = NULL; 170 gchar *name; 171 172 /* allocate RAM for core */ 173 name = g_strdup_printf("s390.ram"); 174 while (mem_size) { 175 MemoryRegion *ram = g_new(MemoryRegion, 1); 176 uint64_t size = mem_size; 177 178 /* KVM does not allow memslots >= 8 TB */ 179 chunk = MIN(size, KVM_SLOT_MAX_BYTES); 180 memory_region_allocate_system_memory(ram, NULL, name, chunk); 181 memory_region_add_subregion(sysmem, offset, ram); 182 mem_size -= chunk; 183 offset += chunk; 184 g_free(name); 185 name = g_strdup_printf("s390.ram.%u", ++number); 186 } 187 g_free(name); 188 189 /* 190 * Configure the maximum page size. As no memory devices were created 191 * yet, this is the page size of initial memory only. 192 */ 193 s390_set_max_pagesize(qemu_maxrampagesize(), &local_err); 194 if (local_err) { 195 error_report_err(local_err); 196 exit(EXIT_FAILURE); 197 } 198 /* Initialize storage key device */ 199 s390_skeys_init(); 200 /* Initialize storage attributes device */ 201 s390_stattrib_init(); 202 } 203 204 static void s390_init_ipl_dev(const char *kernel_filename, 205 const char *kernel_cmdline, 206 const char *initrd_filename, const char *firmware, 207 const char *netboot_fw, bool enforce_bios) 208 { 209 Object *new = object_new(TYPE_S390_IPL); 210 DeviceState *dev = DEVICE(new); 211 char *netboot_fw_prop; 212 213 if (kernel_filename) { 214 qdev_prop_set_string(dev, "kernel", kernel_filename); 215 } 216 if (initrd_filename) { 217 qdev_prop_set_string(dev, "initrd", initrd_filename); 218 } 219 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 220 qdev_prop_set_string(dev, "firmware", firmware); 221 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 222 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 223 if (!strlen(netboot_fw_prop)) { 224 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 225 } 226 g_free(netboot_fw_prop); 227 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 228 new, NULL); 229 object_unref(new); 230 qdev_init_nofail(dev); 231 } 232 233 static void s390_create_virtio_net(BusState *bus, const char *name) 234 { 235 int i; 236 237 for (i = 0; i < nb_nics; i++) { 238 NICInfo *nd = &nd_table[i]; 239 DeviceState *dev; 240 241 if (!nd->model) { 242 nd->model = g_strdup("virtio"); 243 } 244 245 qemu_check_nic_model(nd, "virtio"); 246 247 dev = qdev_create(bus, name); 248 qdev_set_nic_properties(dev, nd); 249 qdev_init_nofail(dev); 250 } 251 } 252 253 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 254 { 255 DeviceState *dev; 256 257 dev = qdev_create(sclp_get_event_facility_bus(), type); 258 qdev_prop_set_chr(dev, "chardev", chardev); 259 qdev_init_nofail(dev); 260 } 261 262 static void ccw_init(MachineState *machine) 263 { 264 int ret; 265 VirtualCssBus *css_bus; 266 DeviceState *dev; 267 268 s390_sclp_init(); 269 /* init memory + setup max page size. Required for the CPU model */ 270 s390_memory_init(machine->ram_size); 271 272 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 273 s390_init_cpus(machine); 274 275 s390_flic_init(); 276 277 /* init the SIGP facility */ 278 s390_init_sigp(); 279 280 /* create AP bridge and bus(es) */ 281 s390_init_ap(); 282 283 /* get a BUS */ 284 css_bus = virtual_css_bus_init(); 285 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 286 machine->initrd_filename, "s390-ccw.img", 287 "s390-netboot.img", true); 288 289 dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); 290 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 291 OBJECT(dev), NULL); 292 qdev_init_nofail(dev); 293 294 /* register hypercalls */ 295 virtio_ccw_register_hcalls(); 296 297 s390_enable_css_support(s390_cpu_addr2state(0)); 298 299 ret = css_create_css_image(VIRTUAL_CSSID, true); 300 301 assert(ret == 0); 302 if (css_migration_enabled()) { 303 css_register_vmstate(); 304 } 305 306 /* Create VirtIO network adapters */ 307 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 308 309 /* init consoles */ 310 if (serial_hd(0)) { 311 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 312 } 313 if (serial_hd(1)) { 314 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 315 } 316 317 /* init the TOD clock */ 318 s390_init_tod(); 319 } 320 321 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 322 DeviceState *dev, Error **errp) 323 { 324 MachineState *ms = MACHINE(hotplug_dev); 325 S390CPU *cpu = S390_CPU(dev); 326 327 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 328 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 329 330 if (dev->hotplugged) { 331 raise_irq_cpu_hotplug(); 332 } 333 } 334 335 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 336 { 337 S390CPU *cpu = S390_CPU(cs); 338 339 s390_ipl_prepare_cpu(cpu); 340 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 341 } 342 343 static void s390_machine_reset(MachineState *machine) 344 { 345 enum s390_reset reset_type; 346 CPUState *cs, *t; 347 348 /* get the reset parameters, reset them once done */ 349 s390_ipl_get_reset_request(&cs, &reset_type); 350 351 /* all CPUs are paused and synchronized at this point */ 352 s390_cmma_reset(); 353 354 switch (reset_type) { 355 case S390_RESET_EXTERNAL: 356 case S390_RESET_REIPL: 357 qemu_devices_reset(); 358 s390_crypto_reset(); 359 360 /* configure and start the ipl CPU only */ 361 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 362 break; 363 case S390_RESET_MODIFIED_CLEAR: 364 CPU_FOREACH(t) { 365 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 366 } 367 subsystem_reset(); 368 s390_crypto_reset(); 369 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 370 break; 371 case S390_RESET_LOAD_NORMAL: 372 CPU_FOREACH(t) { 373 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 374 } 375 subsystem_reset(); 376 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 377 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 378 break; 379 default: 380 g_assert_not_reached(); 381 } 382 s390_ipl_clear_reset_request(); 383 } 384 385 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 386 DeviceState *dev, Error **errp) 387 { 388 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 389 s390_cpu_plug(hotplug_dev, dev, errp); 390 } 391 } 392 393 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 394 DeviceState *dev, Error **errp) 395 { 396 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 397 error_setg(errp, "CPU hot unplug not supported on this machine"); 398 return; 399 } 400 } 401 402 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 403 unsigned cpu_index) 404 { 405 MachineClass *mc = MACHINE_GET_CLASS(ms); 406 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 407 408 assert(cpu_index < possible_cpus->len); 409 return possible_cpus->cpus[cpu_index].props; 410 } 411 412 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 413 { 414 int i; 415 unsigned int max_cpus = ms->smp.max_cpus; 416 417 if (ms->possible_cpus) { 418 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 419 return ms->possible_cpus; 420 } 421 422 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 423 sizeof(CPUArchId) * max_cpus); 424 ms->possible_cpus->len = max_cpus; 425 for (i = 0; i < ms->possible_cpus->len; i++) { 426 ms->possible_cpus->cpus[i].type = ms->cpu_type; 427 ms->possible_cpus->cpus[i].vcpus_count = 1; 428 ms->possible_cpus->cpus[i].arch_id = i; 429 ms->possible_cpus->cpus[i].props.has_core_id = true; 430 ms->possible_cpus->cpus[i].props.core_id = i; 431 } 432 433 return ms->possible_cpus; 434 } 435 436 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 437 DeviceState *dev) 438 { 439 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 440 return HOTPLUG_HANDLER(machine); 441 } 442 return NULL; 443 } 444 445 static void s390_hot_add_cpu(MachineState *machine, 446 const int64_t id, Error **errp) 447 { 448 ObjectClass *oc; 449 450 g_assert(machine->possible_cpus->cpus[0].cpu); 451 oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); 452 453 s390x_new_cpu(object_class_get_name(oc), id, errp); 454 } 455 456 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 457 { 458 CPUState *cs = qemu_get_cpu(cpu_index); 459 460 s390_cpu_restart(S390_CPU(cs)); 461 } 462 463 static void ccw_machine_class_init(ObjectClass *oc, void *data) 464 { 465 MachineClass *mc = MACHINE_CLASS(oc); 466 NMIClass *nc = NMI_CLASS(oc); 467 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 468 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 469 470 s390mc->ri_allowed = true; 471 s390mc->cpu_model_allowed = true; 472 s390mc->css_migration_enabled = true; 473 s390mc->hpage_1m_allowed = true; 474 mc->init = ccw_init; 475 mc->reset = s390_machine_reset; 476 mc->hot_add_cpu = s390_hot_add_cpu; 477 mc->block_default_type = IF_VIRTIO; 478 mc->no_cdrom = 1; 479 mc->no_floppy = 1; 480 mc->no_parallel = 1; 481 mc->no_sdcard = 1; 482 mc->max_cpus = S390_MAX_CPUS; 483 mc->has_hotpluggable_cpus = true; 484 assert(!mc->get_hotplug_handler); 485 mc->get_hotplug_handler = s390_get_hotplug_handler; 486 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 487 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 488 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 489 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 490 hc->plug = s390_machine_device_plug; 491 hc->unplug_request = s390_machine_device_unplug_request; 492 nc->nmi_monitor_handler = s390_nmi; 493 } 494 495 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 496 { 497 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 498 499 return ms->aes_key_wrap; 500 } 501 502 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 503 Error **errp) 504 { 505 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 506 507 ms->aes_key_wrap = value; 508 } 509 510 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 511 { 512 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 513 514 return ms->dea_key_wrap; 515 } 516 517 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 518 Error **errp) 519 { 520 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 521 522 ms->dea_key_wrap = value; 523 } 524 525 static S390CcwMachineClass *current_mc; 526 527 static S390CcwMachineClass *get_machine_class(void) 528 { 529 if (unlikely(!current_mc)) { 530 /* 531 * No s390 ccw machine was instantiated, we are likely to 532 * be called for the 'none' machine. The properties will 533 * have their after-initialization values. 534 */ 535 current_mc = S390_MACHINE_CLASS( 536 object_class_by_name(TYPE_S390_CCW_MACHINE)); 537 } 538 return current_mc; 539 } 540 541 bool ri_allowed(void) 542 { 543 /* for "none" machine this results in true */ 544 return get_machine_class()->ri_allowed; 545 } 546 547 bool cpu_model_allowed(void) 548 { 549 /* for "none" machine this results in true */ 550 return get_machine_class()->cpu_model_allowed; 551 } 552 553 bool hpage_1m_allowed(void) 554 { 555 /* for "none" machine this results in true */ 556 return get_machine_class()->hpage_1m_allowed; 557 } 558 559 static char *machine_get_loadparm(Object *obj, Error **errp) 560 { 561 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 562 563 return g_memdup(ms->loadparm, sizeof(ms->loadparm)); 564 } 565 566 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 567 { 568 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 569 int i; 570 571 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 572 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 573 574 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 575 (c == ' ')) { 576 ms->loadparm[i] = c; 577 } else { 578 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 579 c, c); 580 return; 581 } 582 } 583 584 for (; i < sizeof(ms->loadparm); i++) { 585 ms->loadparm[i] = ' '; /* pad right with spaces */ 586 } 587 } 588 static inline void s390_machine_initfn(Object *obj) 589 { 590 object_property_add_bool(obj, "aes-key-wrap", 591 machine_get_aes_key_wrap, 592 machine_set_aes_key_wrap, NULL); 593 object_property_set_description(obj, "aes-key-wrap", 594 "enable/disable AES key wrapping using the CPACF wrapping key", 595 NULL); 596 object_property_set_bool(obj, true, "aes-key-wrap", NULL); 597 598 object_property_add_bool(obj, "dea-key-wrap", 599 machine_get_dea_key_wrap, 600 machine_set_dea_key_wrap, NULL); 601 object_property_set_description(obj, "dea-key-wrap", 602 "enable/disable DEA key wrapping using the CPACF wrapping key", 603 NULL); 604 object_property_set_bool(obj, true, "dea-key-wrap", NULL); 605 object_property_add_str(obj, "loadparm", 606 machine_get_loadparm, machine_set_loadparm, NULL); 607 object_property_set_description(obj, "loadparm", 608 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 609 " to upper case) to pass to machine loader, boot manager," 610 " and guest kernel", 611 NULL); 612 } 613 614 static const TypeInfo ccw_machine_info = { 615 .name = TYPE_S390_CCW_MACHINE, 616 .parent = TYPE_MACHINE, 617 .abstract = true, 618 .instance_size = sizeof(S390CcwMachineState), 619 .instance_init = s390_machine_initfn, 620 .class_size = sizeof(S390CcwMachineClass), 621 .class_init = ccw_machine_class_init, 622 .interfaces = (InterfaceInfo[]) { 623 { TYPE_NMI }, 624 { TYPE_HOTPLUG_HANDLER}, 625 { } 626 }, 627 }; 628 629 bool css_migration_enabled(void) 630 { 631 return get_machine_class()->css_migration_enabled; 632 } 633 634 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 635 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 636 void *data) \ 637 { \ 638 MachineClass *mc = MACHINE_CLASS(oc); \ 639 ccw_machine_##suffix##_class_options(mc); \ 640 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 641 if (latest) { \ 642 mc->alias = "s390-ccw-virtio"; \ 643 mc->is_default = 1; \ 644 } \ 645 } \ 646 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 647 { \ 648 MachineState *machine = MACHINE(obj); \ 649 current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 650 ccw_machine_##suffix##_instance_options(machine); \ 651 } \ 652 static const TypeInfo ccw_machine_##suffix##_info = { \ 653 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 654 .parent = TYPE_S390_CCW_MACHINE, \ 655 .class_init = ccw_machine_##suffix##_class_init, \ 656 .instance_init = ccw_machine_##suffix##_instance_init, \ 657 }; \ 658 static void ccw_machine_register_##suffix(void) \ 659 { \ 660 type_register_static(&ccw_machine_##suffix##_info); \ 661 } \ 662 type_init(ccw_machine_register_##suffix) 663 664 static void ccw_machine_4_1_instance_options(MachineState *machine) 665 { 666 } 667 668 static void ccw_machine_4_1_class_options(MachineClass *mc) 669 { 670 } 671 DEFINE_CCW_MACHINE(4_1, "4.1", true); 672 673 static void ccw_machine_4_0_instance_options(MachineState *machine) 674 { 675 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 }; 676 ccw_machine_4_1_instance_options(machine); 677 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 678 } 679 680 static void ccw_machine_4_0_class_options(MachineClass *mc) 681 { 682 ccw_machine_4_1_class_options(mc); 683 compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len); 684 } 685 DEFINE_CCW_MACHINE(4_0, "4.0", false); 686 687 static void ccw_machine_3_1_instance_options(MachineState *machine) 688 { 689 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 }; 690 ccw_machine_4_0_instance_options(machine); 691 s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH); 692 s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF); 693 s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat); 694 } 695 696 static void ccw_machine_3_1_class_options(MachineClass *mc) 697 { 698 ccw_machine_4_0_class_options(mc); 699 compat_props_add(mc->compat_props, hw_compat_3_1, hw_compat_3_1_len); 700 } 701 DEFINE_CCW_MACHINE(3_1, "3.1", false); 702 703 static void ccw_machine_3_0_instance_options(MachineState *machine) 704 { 705 ccw_machine_3_1_instance_options(machine); 706 } 707 708 static void ccw_machine_3_0_class_options(MachineClass *mc) 709 { 710 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 711 712 s390mc->hpage_1m_allowed = false; 713 ccw_machine_3_1_class_options(mc); 714 compat_props_add(mc->compat_props, hw_compat_3_0, hw_compat_3_0_len); 715 } 716 DEFINE_CCW_MACHINE(3_0, "3.0", false); 717 718 static void ccw_machine_2_12_instance_options(MachineState *machine) 719 { 720 ccw_machine_3_0_instance_options(machine); 721 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 722 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 723 } 724 725 static void ccw_machine_2_12_class_options(MachineClass *mc) 726 { 727 ccw_machine_3_0_class_options(mc); 728 compat_props_add(mc->compat_props, hw_compat_2_12, hw_compat_2_12_len); 729 } 730 DEFINE_CCW_MACHINE(2_12, "2.12", false); 731 732 static void ccw_machine_2_11_instance_options(MachineState *machine) 733 { 734 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 735 ccw_machine_2_12_instance_options(machine); 736 737 /* before 2.12 we emulated the very first z900 */ 738 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 739 } 740 741 static void ccw_machine_2_11_class_options(MachineClass *mc) 742 { 743 static GlobalProperty compat[] = { 744 { TYPE_SCLP_EVENT_FACILITY, "allow_all_mask_sizes", "off", }, 745 }; 746 747 ccw_machine_2_12_class_options(mc); 748 compat_props_add(mc->compat_props, hw_compat_2_11, hw_compat_2_11_len); 749 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 750 } 751 DEFINE_CCW_MACHINE(2_11, "2.11", false); 752 753 static void ccw_machine_2_10_instance_options(MachineState *machine) 754 { 755 ccw_machine_2_11_instance_options(machine); 756 } 757 758 static void ccw_machine_2_10_class_options(MachineClass *mc) 759 { 760 ccw_machine_2_11_class_options(mc); 761 compat_props_add(mc->compat_props, hw_compat_2_10, hw_compat_2_10_len); 762 } 763 DEFINE_CCW_MACHINE(2_10, "2.10", false); 764 765 static void ccw_machine_2_9_instance_options(MachineState *machine) 766 { 767 ccw_machine_2_10_instance_options(machine); 768 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 769 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 770 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 771 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 772 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 773 } 774 775 static void ccw_machine_2_9_class_options(MachineClass *mc) 776 { 777 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 778 static GlobalProperty compat[] = { 779 { TYPE_S390_STATTRIB, "migration-enabled", "off", }, 780 }; 781 782 ccw_machine_2_10_class_options(mc); 783 compat_props_add(mc->compat_props, hw_compat_2_9, hw_compat_2_9_len); 784 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 785 s390mc->css_migration_enabled = false; 786 } 787 DEFINE_CCW_MACHINE(2_9, "2.9", false); 788 789 static void ccw_machine_2_8_instance_options(MachineState *machine) 790 { 791 ccw_machine_2_9_instance_options(machine); 792 } 793 794 static void ccw_machine_2_8_class_options(MachineClass *mc) 795 { 796 static GlobalProperty compat[] = { 797 { TYPE_S390_FLIC_COMMON, "adapter_routes_max_batch", "64", }, 798 }; 799 800 ccw_machine_2_9_class_options(mc); 801 compat_props_add(mc->compat_props, hw_compat_2_8, hw_compat_2_8_len); 802 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 803 } 804 DEFINE_CCW_MACHINE(2_8, "2.8", false); 805 806 static void ccw_machine_2_7_instance_options(MachineState *machine) 807 { 808 ccw_machine_2_8_instance_options(machine); 809 } 810 811 static void ccw_machine_2_7_class_options(MachineClass *mc) 812 { 813 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 814 815 s390mc->cpu_model_allowed = false; 816 ccw_machine_2_8_class_options(mc); 817 compat_props_add(mc->compat_props, hw_compat_2_7, hw_compat_2_7_len); 818 } 819 DEFINE_CCW_MACHINE(2_7, "2.7", false); 820 821 static void ccw_machine_2_6_instance_options(MachineState *machine) 822 { 823 ccw_machine_2_7_instance_options(machine); 824 } 825 826 static void ccw_machine_2_6_class_options(MachineClass *mc) 827 { 828 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 829 static GlobalProperty compat[] = { 830 { TYPE_S390_IPL, "iplbext_migration", "off", }, 831 { TYPE_VIRTUAL_CSS_BRIDGE, "css_dev_path", "off", }, 832 }; 833 834 s390mc->ri_allowed = false; 835 ccw_machine_2_7_class_options(mc); 836 compat_props_add(mc->compat_props, hw_compat_2_6, hw_compat_2_6_len); 837 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 838 } 839 DEFINE_CCW_MACHINE(2_6, "2.6", false); 840 841 static void ccw_machine_2_5_instance_options(MachineState *machine) 842 { 843 ccw_machine_2_6_instance_options(machine); 844 } 845 846 static void ccw_machine_2_5_class_options(MachineClass *mc) 847 { 848 ccw_machine_2_6_class_options(mc); 849 compat_props_add(mc->compat_props, hw_compat_2_5, hw_compat_2_5_len); 850 } 851 DEFINE_CCW_MACHINE(2_5, "2.5", false); 852 853 static void ccw_machine_2_4_instance_options(MachineState *machine) 854 { 855 ccw_machine_2_5_instance_options(machine); 856 } 857 858 static void ccw_machine_2_4_class_options(MachineClass *mc) 859 { 860 static GlobalProperty compat[] = { 861 { TYPE_S390_SKEYS, "migration-enabled", "off", }, 862 { "virtio-blk-ccw", "max_revision", "0", }, 863 { "virtio-balloon-ccw", "max_revision", "0", }, 864 { "virtio-serial-ccw", "max_revision", "0", }, 865 { "virtio-9p-ccw", "max_revision", "0", }, 866 { "virtio-rng-ccw", "max_revision", "0", }, 867 { "virtio-net-ccw", "max_revision", "0", }, 868 { "virtio-scsi-ccw", "max_revision", "0", }, 869 { "vhost-scsi-ccw", "max_revision", "0", }, 870 }; 871 872 ccw_machine_2_5_class_options(mc); 873 compat_props_add(mc->compat_props, hw_compat_2_4, hw_compat_2_4_len); 874 compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat)); 875 } 876 DEFINE_CCW_MACHINE(2_4, "2.4", false); 877 878 static void ccw_machine_register_types(void) 879 { 880 type_register_static(&ccw_machine_info); 881 } 882 883 type_init(ccw_machine_register_types) 884