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 "hw/s390x/s390-virtio-hcall.h" 19 #include "hw/s390x/sclp.h" 20 #include "hw/s390x/s390_flic.h" 21 #include "hw/s390x/ioinst.h" 22 #include "hw/s390x/css.h" 23 #include "virtio-ccw.h" 24 #include "qemu/config-file.h" 25 #include "qemu/error-report.h" 26 #include "qemu/option.h" 27 #include "s390-pci-bus.h" 28 #include "hw/s390x/storage-keys.h" 29 #include "hw/s390x/storage-attributes.h" 30 #include "hw/s390x/event-facility.h" 31 #include "hw/compat.h" 32 #include "ipl.h" 33 #include "hw/s390x/s390-virtio-ccw.h" 34 #include "hw/s390x/css-bridge.h" 35 #include "migration/register.h" 36 #include "cpu_models.h" 37 #include "hw/nmi.h" 38 #include "hw/s390x/tod.h" 39 40 S390CPU *s390_cpu_addr2state(uint16_t cpu_addr) 41 { 42 static MachineState *ms; 43 44 if (!ms) { 45 ms = MACHINE(qdev_get_machine()); 46 g_assert(ms->possible_cpus); 47 } 48 49 /* CPU address corresponds to the core_id and the index */ 50 if (cpu_addr >= ms->possible_cpus->len) { 51 return NULL; 52 } 53 return S390_CPU(ms->possible_cpus->cpus[cpu_addr].cpu); 54 } 55 56 static S390CPU *s390x_new_cpu(const char *typename, uint32_t core_id, 57 Error **errp) 58 { 59 S390CPU *cpu = S390_CPU(object_new(typename)); 60 Error *err = NULL; 61 62 object_property_set_int(OBJECT(cpu), core_id, "core-id", &err); 63 if (err != NULL) { 64 goto out; 65 } 66 object_property_set_bool(OBJECT(cpu), true, "realized", &err); 67 68 out: 69 object_unref(OBJECT(cpu)); 70 if (err) { 71 error_propagate(errp, err); 72 cpu = NULL; 73 } 74 return cpu; 75 } 76 77 static void s390_init_cpus(MachineState *machine) 78 { 79 MachineClass *mc = MACHINE_GET_CLASS(machine); 80 int i; 81 82 /* initialize possible_cpus */ 83 mc->possible_cpu_arch_ids(machine); 84 85 for (i = 0; i < smp_cpus; i++) { 86 s390x_new_cpu(machine->cpu_type, i, &error_fatal); 87 } 88 } 89 90 static const char *const reset_dev_types[] = { 91 TYPE_VIRTUAL_CSS_BRIDGE, 92 "s390-sclp-event-facility", 93 "s390-flic", 94 "diag288", 95 }; 96 97 static void subsystem_reset(void) 98 { 99 DeviceState *dev; 100 int i; 101 102 for (i = 0; i < ARRAY_SIZE(reset_dev_types); i++) { 103 dev = DEVICE(object_resolve_path_type("", reset_dev_types[i], NULL)); 104 if (dev) { 105 qdev_reset_all(dev); 106 } 107 } 108 } 109 110 static int virtio_ccw_hcall_notify(const uint64_t *args) 111 { 112 uint64_t subch_id = args[0]; 113 uint64_t queue = args[1]; 114 SubchDev *sch; 115 int cssid, ssid, schid, m; 116 117 if (ioinst_disassemble_sch_ident(subch_id, &m, &cssid, &ssid, &schid)) { 118 return -EINVAL; 119 } 120 sch = css_find_subch(m, cssid, ssid, schid); 121 if (!sch || !css_subch_visible(sch)) { 122 return -EINVAL; 123 } 124 if (queue >= VIRTIO_QUEUE_MAX) { 125 return -EINVAL; 126 } 127 virtio_queue_notify(virtio_ccw_get_vdev(sch), queue); 128 return 0; 129 130 } 131 132 static int virtio_ccw_hcall_early_printk(const uint64_t *args) 133 { 134 uint64_t mem = args[0]; 135 136 if (mem < ram_size) { 137 /* Early printk */ 138 return 0; 139 } 140 return -EINVAL; 141 } 142 143 static void virtio_ccw_register_hcalls(void) 144 { 145 s390_register_virtio_hypercall(KVM_S390_VIRTIO_CCW_NOTIFY, 146 virtio_ccw_hcall_notify); 147 /* Tolerate early printk. */ 148 s390_register_virtio_hypercall(KVM_S390_VIRTIO_NOTIFY, 149 virtio_ccw_hcall_early_printk); 150 } 151 152 /* 153 * KVM does only support memory slots up to KVM_MEM_MAX_NR_PAGES pages 154 * as the dirty bitmap must be managed by bitops that take an int as 155 * position indicator. If we have a guest beyond that we will split off 156 * new subregions. The split must happen on a segment boundary (1MB). 157 */ 158 #define KVM_MEM_MAX_NR_PAGES ((1ULL << 31) - 1) 159 #define SEG_MSK (~0xfffffULL) 160 #define KVM_SLOT_MAX_BYTES ((KVM_MEM_MAX_NR_PAGES * TARGET_PAGE_SIZE) & SEG_MSK) 161 static void s390_memory_init(ram_addr_t mem_size) 162 { 163 MemoryRegion *sysmem = get_system_memory(); 164 ram_addr_t chunk, offset = 0; 165 unsigned int number = 0; 166 gchar *name; 167 168 /* allocate RAM for core */ 169 name = g_strdup_printf("s390.ram"); 170 while (mem_size) { 171 MemoryRegion *ram = g_new(MemoryRegion, 1); 172 uint64_t size = mem_size; 173 174 /* KVM does not allow memslots >= 8 TB */ 175 chunk = MIN(size, KVM_SLOT_MAX_BYTES); 176 memory_region_allocate_system_memory(ram, NULL, name, chunk); 177 memory_region_add_subregion(sysmem, offset, ram); 178 mem_size -= chunk; 179 offset += chunk; 180 g_free(name); 181 name = g_strdup_printf("s390.ram.%u", ++number); 182 } 183 g_free(name); 184 185 /* Initialize storage key device */ 186 s390_skeys_init(); 187 /* Initialize storage attributes device */ 188 s390_stattrib_init(); 189 } 190 191 static void s390_init_ipl_dev(const char *kernel_filename, 192 const char *kernel_cmdline, 193 const char *initrd_filename, const char *firmware, 194 const char *netboot_fw, bool enforce_bios) 195 { 196 Object *new = object_new(TYPE_S390_IPL); 197 DeviceState *dev = DEVICE(new); 198 char *netboot_fw_prop; 199 200 if (kernel_filename) { 201 qdev_prop_set_string(dev, "kernel", kernel_filename); 202 } 203 if (initrd_filename) { 204 qdev_prop_set_string(dev, "initrd", initrd_filename); 205 } 206 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 207 qdev_prop_set_string(dev, "firmware", firmware); 208 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 209 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 210 if (!strlen(netboot_fw_prop)) { 211 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 212 } 213 g_free(netboot_fw_prop); 214 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 215 new, NULL); 216 object_unref(new); 217 qdev_init_nofail(dev); 218 } 219 220 static void s390_create_virtio_net(BusState *bus, const char *name) 221 { 222 int i; 223 224 for (i = 0; i < nb_nics; i++) { 225 NICInfo *nd = &nd_table[i]; 226 DeviceState *dev; 227 228 if (!nd->model) { 229 nd->model = g_strdup("virtio"); 230 } 231 232 qemu_check_nic_model(nd, "virtio"); 233 234 dev = qdev_create(bus, name); 235 qdev_set_nic_properties(dev, nd); 236 qdev_init_nofail(dev); 237 } 238 } 239 240 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 241 { 242 DeviceState *dev; 243 244 dev = qdev_create(sclp_get_event_facility_bus(), type); 245 qdev_prop_set_chr(dev, "chardev", chardev); 246 qdev_init_nofail(dev); 247 } 248 249 static void ccw_init(MachineState *machine) 250 { 251 int ret; 252 VirtualCssBus *css_bus; 253 DeviceState *dev; 254 255 s390_sclp_init(); 256 s390_memory_init(machine->ram_size); 257 258 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 259 s390_init_cpus(machine); 260 261 s390_flic_init(); 262 263 /* init the SIGP facility */ 264 s390_init_sigp(); 265 266 /* get a BUS */ 267 css_bus = virtual_css_bus_init(); 268 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 269 machine->initrd_filename, "s390-ccw.img", 270 "s390-netboot.img", true); 271 272 /* 273 * We cannot easily make the pci host bridge conditional as older QEMUs 274 * always created it. Doing so would break migration across QEMU versions. 275 */ 276 dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); 277 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 278 OBJECT(dev), NULL); 279 qdev_init_nofail(dev); 280 281 /* register hypercalls */ 282 virtio_ccw_register_hcalls(); 283 284 s390_enable_css_support(s390_cpu_addr2state(0)); 285 286 ret = css_create_css_image(VIRTUAL_CSSID, true); 287 288 assert(ret == 0); 289 if (css_migration_enabled()) { 290 css_register_vmstate(); 291 } 292 293 /* Create VirtIO network adapters */ 294 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 295 296 /* init consoles */ 297 if (serial_hd(0)) { 298 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 299 } 300 if (serial_hd(1)) { 301 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 302 } 303 304 /* init the TOD clock */ 305 s390_init_tod(); 306 } 307 308 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 309 DeviceState *dev, Error **errp) 310 { 311 MachineState *ms = MACHINE(hotplug_dev); 312 S390CPU *cpu = S390_CPU(dev); 313 314 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 315 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 316 317 if (dev->hotplugged) { 318 raise_irq_cpu_hotplug(); 319 } 320 } 321 322 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 323 { 324 S390CPU *cpu = S390_CPU(cs); 325 326 s390_ipl_prepare_cpu(cpu); 327 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 328 } 329 330 static void s390_machine_reset(void) 331 { 332 enum s390_reset reset_type; 333 CPUState *cs, *t; 334 335 /* get the reset parameters, reset them once done */ 336 s390_ipl_get_reset_request(&cs, &reset_type); 337 338 /* all CPUs are paused and synchronized at this point */ 339 s390_cmma_reset(); 340 341 switch (reset_type) { 342 case S390_RESET_EXTERNAL: 343 case S390_RESET_REIPL: 344 qemu_devices_reset(); 345 s390_crypto_reset(); 346 347 /* configure and start the ipl CPU only */ 348 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 349 break; 350 case S390_RESET_MODIFIED_CLEAR: 351 CPU_FOREACH(t) { 352 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 353 } 354 subsystem_reset(); 355 s390_crypto_reset(); 356 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 357 break; 358 case S390_RESET_LOAD_NORMAL: 359 CPU_FOREACH(t) { 360 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 361 } 362 subsystem_reset(); 363 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 364 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 365 break; 366 default: 367 g_assert_not_reached(); 368 } 369 s390_ipl_clear_reset_request(); 370 } 371 372 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 373 DeviceState *dev, Error **errp) 374 { 375 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 376 s390_cpu_plug(hotplug_dev, dev, errp); 377 } 378 } 379 380 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 381 DeviceState *dev, Error **errp) 382 { 383 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 384 error_setg(errp, "CPU hot unplug not supported on this machine"); 385 return; 386 } 387 } 388 389 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 390 unsigned cpu_index) 391 { 392 MachineClass *mc = MACHINE_GET_CLASS(ms); 393 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 394 395 assert(cpu_index < possible_cpus->len); 396 return possible_cpus->cpus[cpu_index].props; 397 } 398 399 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 400 { 401 int i; 402 403 if (ms->possible_cpus) { 404 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 405 return ms->possible_cpus; 406 } 407 408 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 409 sizeof(CPUArchId) * max_cpus); 410 ms->possible_cpus->len = max_cpus; 411 for (i = 0; i < ms->possible_cpus->len; i++) { 412 ms->possible_cpus->cpus[i].type = ms->cpu_type; 413 ms->possible_cpus->cpus[i].vcpus_count = 1; 414 ms->possible_cpus->cpus[i].arch_id = i; 415 ms->possible_cpus->cpus[i].props.has_core_id = true; 416 ms->possible_cpus->cpus[i].props.core_id = i; 417 } 418 419 return ms->possible_cpus; 420 } 421 422 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 423 DeviceState *dev) 424 { 425 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 426 return HOTPLUG_HANDLER(machine); 427 } 428 return NULL; 429 } 430 431 static void s390_hot_add_cpu(const int64_t id, Error **errp) 432 { 433 MachineState *machine = MACHINE(qdev_get_machine()); 434 ObjectClass *oc; 435 436 g_assert(machine->possible_cpus->cpus[0].cpu); 437 oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); 438 439 s390x_new_cpu(object_class_get_name(oc), id, errp); 440 } 441 442 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 443 { 444 CPUState *cs = qemu_get_cpu(cpu_index); 445 446 s390_cpu_restart(S390_CPU(cs)); 447 } 448 449 static void ccw_machine_class_init(ObjectClass *oc, void *data) 450 { 451 MachineClass *mc = MACHINE_CLASS(oc); 452 NMIClass *nc = NMI_CLASS(oc); 453 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 454 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 455 456 s390mc->ri_allowed = true; 457 s390mc->cpu_model_allowed = true; 458 s390mc->css_migration_enabled = true; 459 mc->init = ccw_init; 460 mc->reset = s390_machine_reset; 461 mc->hot_add_cpu = s390_hot_add_cpu; 462 mc->block_default_type = IF_VIRTIO; 463 mc->no_cdrom = 1; 464 mc->no_floppy = 1; 465 mc->no_parallel = 1; 466 mc->no_sdcard = 1; 467 mc->max_cpus = S390_MAX_CPUS; 468 mc->has_hotpluggable_cpus = true; 469 assert(!mc->get_hotplug_handler); 470 mc->get_hotplug_handler = s390_get_hotplug_handler; 471 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 472 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 473 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 474 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 475 hc->plug = s390_machine_device_plug; 476 hc->unplug_request = s390_machine_device_unplug_request; 477 nc->nmi_monitor_handler = s390_nmi; 478 } 479 480 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 481 { 482 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 483 484 return ms->aes_key_wrap; 485 } 486 487 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 488 Error **errp) 489 { 490 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 491 492 ms->aes_key_wrap = value; 493 } 494 495 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 496 { 497 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 498 499 return ms->dea_key_wrap; 500 } 501 502 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 503 Error **errp) 504 { 505 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 506 507 ms->dea_key_wrap = value; 508 } 509 510 static S390CcwMachineClass *current_mc; 511 512 static S390CcwMachineClass *get_machine_class(void) 513 { 514 if (unlikely(!current_mc)) { 515 /* 516 * No s390 ccw machine was instantiated, we are likely to 517 * be called for the 'none' machine. The properties will 518 * have their after-initialization values. 519 */ 520 current_mc = S390_MACHINE_CLASS( 521 object_class_by_name(TYPE_S390_CCW_MACHINE)); 522 } 523 return current_mc; 524 } 525 526 bool ri_allowed(void) 527 { 528 /* for "none" machine this results in true */ 529 return get_machine_class()->ri_allowed; 530 } 531 532 bool cpu_model_allowed(void) 533 { 534 /* for "none" machine this results in true */ 535 return get_machine_class()->cpu_model_allowed; 536 } 537 538 static char *machine_get_loadparm(Object *obj, Error **errp) 539 { 540 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 541 542 return g_memdup(ms->loadparm, sizeof(ms->loadparm)); 543 } 544 545 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 546 { 547 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 548 int i; 549 550 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 551 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 552 553 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 554 (c == ' ')) { 555 ms->loadparm[i] = c; 556 } else { 557 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 558 c, c); 559 return; 560 } 561 } 562 563 for (; i < sizeof(ms->loadparm); i++) { 564 ms->loadparm[i] = ' '; /* pad right with spaces */ 565 } 566 } 567 static inline void s390_machine_initfn(Object *obj) 568 { 569 object_property_add_bool(obj, "aes-key-wrap", 570 machine_get_aes_key_wrap, 571 machine_set_aes_key_wrap, NULL); 572 object_property_set_description(obj, "aes-key-wrap", 573 "enable/disable AES key wrapping using the CPACF wrapping key", 574 NULL); 575 object_property_set_bool(obj, true, "aes-key-wrap", NULL); 576 577 object_property_add_bool(obj, "dea-key-wrap", 578 machine_get_dea_key_wrap, 579 machine_set_dea_key_wrap, NULL); 580 object_property_set_description(obj, "dea-key-wrap", 581 "enable/disable DEA key wrapping using the CPACF wrapping key", 582 NULL); 583 object_property_set_bool(obj, true, "dea-key-wrap", NULL); 584 object_property_add_str(obj, "loadparm", 585 machine_get_loadparm, machine_set_loadparm, NULL); 586 object_property_set_description(obj, "loadparm", 587 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 588 " to upper case) to pass to machine loader, boot manager," 589 " and guest kernel", 590 NULL); 591 } 592 593 static const TypeInfo ccw_machine_info = { 594 .name = TYPE_S390_CCW_MACHINE, 595 .parent = TYPE_MACHINE, 596 .abstract = true, 597 .instance_size = sizeof(S390CcwMachineState), 598 .instance_init = s390_machine_initfn, 599 .class_size = sizeof(S390CcwMachineClass), 600 .class_init = ccw_machine_class_init, 601 .interfaces = (InterfaceInfo[]) { 602 { TYPE_NMI }, 603 { TYPE_HOTPLUG_HANDLER}, 604 { } 605 }, 606 }; 607 608 bool css_migration_enabled(void) 609 { 610 return get_machine_class()->css_migration_enabled; 611 } 612 613 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 614 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 615 void *data) \ 616 { \ 617 MachineClass *mc = MACHINE_CLASS(oc); \ 618 ccw_machine_##suffix##_class_options(mc); \ 619 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 620 if (latest) { \ 621 mc->alias = "s390-ccw-virtio"; \ 622 mc->is_default = 1; \ 623 } \ 624 } \ 625 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 626 { \ 627 MachineState *machine = MACHINE(obj); \ 628 current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 629 ccw_machine_##suffix##_instance_options(machine); \ 630 } \ 631 static const TypeInfo ccw_machine_##suffix##_info = { \ 632 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 633 .parent = TYPE_S390_CCW_MACHINE, \ 634 .class_init = ccw_machine_##suffix##_class_init, \ 635 .instance_init = ccw_machine_##suffix##_instance_init, \ 636 }; \ 637 static void ccw_machine_register_##suffix(void) \ 638 { \ 639 type_register_static(&ccw_machine_##suffix##_info); \ 640 } \ 641 type_init(ccw_machine_register_##suffix) 642 643 #define CCW_COMPAT_3_0 \ 644 HW_COMPAT_3_0 645 646 #define CCW_COMPAT_2_12 \ 647 HW_COMPAT_2_12 648 649 #define CCW_COMPAT_2_11 \ 650 HW_COMPAT_2_11 \ 651 {\ 652 .driver = TYPE_SCLP_EVENT_FACILITY,\ 653 .property = "allow_all_mask_sizes",\ 654 .value = "off",\ 655 }, 656 657 #define CCW_COMPAT_2_10 \ 658 HW_COMPAT_2_10 659 660 #define CCW_COMPAT_2_9 \ 661 HW_COMPAT_2_9 \ 662 {\ 663 .driver = TYPE_S390_STATTRIB,\ 664 .property = "migration-enabled",\ 665 .value = "off",\ 666 }, 667 668 #define CCW_COMPAT_2_8 \ 669 HW_COMPAT_2_8 \ 670 {\ 671 .driver = TYPE_S390_FLIC_COMMON,\ 672 .property = "adapter_routes_max_batch",\ 673 .value = "64",\ 674 }, 675 676 #define CCW_COMPAT_2_7 \ 677 HW_COMPAT_2_7 678 679 #define CCW_COMPAT_2_6 \ 680 HW_COMPAT_2_6 \ 681 {\ 682 .driver = TYPE_S390_IPL,\ 683 .property = "iplbext_migration",\ 684 .value = "off",\ 685 }, {\ 686 .driver = TYPE_VIRTUAL_CSS_BRIDGE,\ 687 .property = "css_dev_path",\ 688 .value = "off",\ 689 }, 690 691 #define CCW_COMPAT_2_5 \ 692 HW_COMPAT_2_5 693 694 #define CCW_COMPAT_2_4 \ 695 HW_COMPAT_2_4 \ 696 {\ 697 .driver = TYPE_S390_SKEYS,\ 698 .property = "migration-enabled",\ 699 .value = "off",\ 700 },{\ 701 .driver = "virtio-blk-ccw",\ 702 .property = "max_revision",\ 703 .value = "0",\ 704 },{\ 705 .driver = "virtio-balloon-ccw",\ 706 .property = "max_revision",\ 707 .value = "0",\ 708 },{\ 709 .driver = "virtio-serial-ccw",\ 710 .property = "max_revision",\ 711 .value = "0",\ 712 },{\ 713 .driver = "virtio-9p-ccw",\ 714 .property = "max_revision",\ 715 .value = "0",\ 716 },{\ 717 .driver = "virtio-rng-ccw",\ 718 .property = "max_revision",\ 719 .value = "0",\ 720 },{\ 721 .driver = "virtio-net-ccw",\ 722 .property = "max_revision",\ 723 .value = "0",\ 724 },{\ 725 .driver = "virtio-scsi-ccw",\ 726 .property = "max_revision",\ 727 .value = "0",\ 728 },{\ 729 .driver = "vhost-scsi-ccw",\ 730 .property = "max_revision",\ 731 .value = "0",\ 732 }, 733 734 static void ccw_machine_3_1_instance_options(MachineState *machine) 735 { 736 } 737 738 static void ccw_machine_3_1_class_options(MachineClass *mc) 739 { 740 } 741 DEFINE_CCW_MACHINE(3_1, "3.1", true); 742 743 static void ccw_machine_3_0_instance_options(MachineState *machine) 744 { 745 ccw_machine_3_1_instance_options(machine); 746 } 747 748 static void ccw_machine_3_0_class_options(MachineClass *mc) 749 { 750 ccw_machine_3_1_class_options(mc); 751 SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_0); 752 } 753 DEFINE_CCW_MACHINE(3_0, "3.0", false); 754 755 static void ccw_machine_2_12_instance_options(MachineState *machine) 756 { 757 ccw_machine_3_0_instance_options(machine); 758 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 759 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 760 } 761 762 static void ccw_machine_2_12_class_options(MachineClass *mc) 763 { 764 ccw_machine_3_0_class_options(mc); 765 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12); 766 } 767 DEFINE_CCW_MACHINE(2_12, "2.12", false); 768 769 static void ccw_machine_2_11_instance_options(MachineState *machine) 770 { 771 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 772 ccw_machine_2_12_instance_options(machine); 773 774 /* before 2.12 we emulated the very first z900 */ 775 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 776 } 777 778 static void ccw_machine_2_11_class_options(MachineClass *mc) 779 { 780 ccw_machine_2_12_class_options(mc); 781 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11); 782 } 783 DEFINE_CCW_MACHINE(2_11, "2.11", false); 784 785 static void ccw_machine_2_10_instance_options(MachineState *machine) 786 { 787 ccw_machine_2_11_instance_options(machine); 788 } 789 790 static void ccw_machine_2_10_class_options(MachineClass *mc) 791 { 792 ccw_machine_2_11_class_options(mc); 793 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10); 794 } 795 DEFINE_CCW_MACHINE(2_10, "2.10", false); 796 797 static void ccw_machine_2_9_instance_options(MachineState *machine) 798 { 799 ccw_machine_2_10_instance_options(machine); 800 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 801 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 802 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 803 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 804 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 805 } 806 807 static void ccw_machine_2_9_class_options(MachineClass *mc) 808 { 809 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 810 811 ccw_machine_2_10_class_options(mc); 812 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9); 813 s390mc->css_migration_enabled = false; 814 } 815 DEFINE_CCW_MACHINE(2_9, "2.9", false); 816 817 static void ccw_machine_2_8_instance_options(MachineState *machine) 818 { 819 ccw_machine_2_9_instance_options(machine); 820 } 821 822 static void ccw_machine_2_8_class_options(MachineClass *mc) 823 { 824 ccw_machine_2_9_class_options(mc); 825 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8); 826 } 827 DEFINE_CCW_MACHINE(2_8, "2.8", false); 828 829 static void ccw_machine_2_7_instance_options(MachineState *machine) 830 { 831 ccw_machine_2_8_instance_options(machine); 832 } 833 834 static void ccw_machine_2_7_class_options(MachineClass *mc) 835 { 836 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 837 838 s390mc->cpu_model_allowed = false; 839 ccw_machine_2_8_class_options(mc); 840 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7); 841 } 842 DEFINE_CCW_MACHINE(2_7, "2.7", false); 843 844 static void ccw_machine_2_6_instance_options(MachineState *machine) 845 { 846 ccw_machine_2_7_instance_options(machine); 847 } 848 849 static void ccw_machine_2_6_class_options(MachineClass *mc) 850 { 851 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 852 853 s390mc->ri_allowed = false; 854 ccw_machine_2_7_class_options(mc); 855 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6); 856 } 857 DEFINE_CCW_MACHINE(2_6, "2.6", false); 858 859 static void ccw_machine_2_5_instance_options(MachineState *machine) 860 { 861 ccw_machine_2_6_instance_options(machine); 862 } 863 864 static void ccw_machine_2_5_class_options(MachineClass *mc) 865 { 866 ccw_machine_2_6_class_options(mc); 867 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5); 868 } 869 DEFINE_CCW_MACHINE(2_5, "2.5", false); 870 871 static void ccw_machine_2_4_instance_options(MachineState *machine) 872 { 873 ccw_machine_2_5_instance_options(machine); 874 } 875 876 static void ccw_machine_2_4_class_options(MachineClass *mc) 877 { 878 ccw_machine_2_5_class_options(mc); 879 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4); 880 } 881 DEFINE_CCW_MACHINE(2_4, "2.4", false); 882 883 static void ccw_machine_register_types(void) 884 { 885 type_register_static(&ccw_machine_info); 886 } 887 888 type_init(ccw_machine_register_types) 889