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 "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 gchar *name; 168 169 /* allocate RAM for core */ 170 name = g_strdup_printf("s390.ram"); 171 while (mem_size) { 172 MemoryRegion *ram = g_new(MemoryRegion, 1); 173 uint64_t size = mem_size; 174 175 /* KVM does not allow memslots >= 8 TB */ 176 chunk = MIN(size, KVM_SLOT_MAX_BYTES); 177 memory_region_allocate_system_memory(ram, NULL, name, chunk); 178 memory_region_add_subregion(sysmem, offset, ram); 179 mem_size -= chunk; 180 offset += chunk; 181 g_free(name); 182 name = g_strdup_printf("s390.ram.%u", ++number); 183 } 184 g_free(name); 185 186 /* Initialize storage key device */ 187 s390_skeys_init(); 188 /* Initialize storage attributes device */ 189 s390_stattrib_init(); 190 } 191 192 static void s390_init_ipl_dev(const char *kernel_filename, 193 const char *kernel_cmdline, 194 const char *initrd_filename, const char *firmware, 195 const char *netboot_fw, bool enforce_bios) 196 { 197 Object *new = object_new(TYPE_S390_IPL); 198 DeviceState *dev = DEVICE(new); 199 char *netboot_fw_prop; 200 201 if (kernel_filename) { 202 qdev_prop_set_string(dev, "kernel", kernel_filename); 203 } 204 if (initrd_filename) { 205 qdev_prop_set_string(dev, "initrd", initrd_filename); 206 } 207 qdev_prop_set_string(dev, "cmdline", kernel_cmdline); 208 qdev_prop_set_string(dev, "firmware", firmware); 209 qdev_prop_set_bit(dev, "enforce_bios", enforce_bios); 210 netboot_fw_prop = object_property_get_str(new, "netboot_fw", &error_abort); 211 if (!strlen(netboot_fw_prop)) { 212 qdev_prop_set_string(dev, "netboot_fw", netboot_fw); 213 } 214 g_free(netboot_fw_prop); 215 object_property_add_child(qdev_get_machine(), TYPE_S390_IPL, 216 new, NULL); 217 object_unref(new); 218 qdev_init_nofail(dev); 219 } 220 221 static void s390_create_virtio_net(BusState *bus, const char *name) 222 { 223 int i; 224 225 for (i = 0; i < nb_nics; i++) { 226 NICInfo *nd = &nd_table[i]; 227 DeviceState *dev; 228 229 if (!nd->model) { 230 nd->model = g_strdup("virtio"); 231 } 232 233 qemu_check_nic_model(nd, "virtio"); 234 235 dev = qdev_create(bus, name); 236 qdev_set_nic_properties(dev, nd); 237 qdev_init_nofail(dev); 238 } 239 } 240 241 static void s390_create_sclpconsole(const char *type, Chardev *chardev) 242 { 243 DeviceState *dev; 244 245 dev = qdev_create(sclp_get_event_facility_bus(), type); 246 qdev_prop_set_chr(dev, "chardev", chardev); 247 qdev_init_nofail(dev); 248 } 249 250 static void ccw_init(MachineState *machine) 251 { 252 int ret; 253 VirtualCssBus *css_bus; 254 DeviceState *dev; 255 256 s390_sclp_init(); 257 s390_memory_init(machine->ram_size); 258 259 /* init CPUs (incl. CPU model) early so s390_has_feature() works */ 260 s390_init_cpus(machine); 261 262 s390_flic_init(); 263 264 /* init the SIGP facility */ 265 s390_init_sigp(); 266 267 /* create AP bridge and bus(es) */ 268 s390_init_ap(); 269 270 /* get a BUS */ 271 css_bus = virtual_css_bus_init(); 272 s390_init_ipl_dev(machine->kernel_filename, machine->kernel_cmdline, 273 machine->initrd_filename, "s390-ccw.img", 274 "s390-netboot.img", true); 275 276 /* 277 * We cannot easily make the pci host bridge conditional as older QEMUs 278 * always created it. Doing so would break migration across QEMU versions. 279 */ 280 dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE); 281 object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE, 282 OBJECT(dev), NULL); 283 qdev_init_nofail(dev); 284 285 /* register hypercalls */ 286 virtio_ccw_register_hcalls(); 287 288 s390_enable_css_support(s390_cpu_addr2state(0)); 289 290 ret = css_create_css_image(VIRTUAL_CSSID, true); 291 292 assert(ret == 0); 293 if (css_migration_enabled()) { 294 css_register_vmstate(); 295 } 296 297 /* Create VirtIO network adapters */ 298 s390_create_virtio_net(BUS(css_bus), "virtio-net-ccw"); 299 300 /* init consoles */ 301 if (serial_hd(0)) { 302 s390_create_sclpconsole("sclpconsole", serial_hd(0)); 303 } 304 if (serial_hd(1)) { 305 s390_create_sclpconsole("sclplmconsole", serial_hd(1)); 306 } 307 308 /* init the TOD clock */ 309 s390_init_tod(); 310 } 311 312 static void s390_cpu_plug(HotplugHandler *hotplug_dev, 313 DeviceState *dev, Error **errp) 314 { 315 MachineState *ms = MACHINE(hotplug_dev); 316 S390CPU *cpu = S390_CPU(dev); 317 318 g_assert(!ms->possible_cpus->cpus[cpu->env.core_id].cpu); 319 ms->possible_cpus->cpus[cpu->env.core_id].cpu = OBJECT(dev); 320 321 if (dev->hotplugged) { 322 raise_irq_cpu_hotplug(); 323 } 324 } 325 326 static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg) 327 { 328 S390CPU *cpu = S390_CPU(cs); 329 330 s390_ipl_prepare_cpu(cpu); 331 s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu); 332 } 333 334 static void s390_machine_reset(void) 335 { 336 enum s390_reset reset_type; 337 CPUState *cs, *t; 338 339 /* get the reset parameters, reset them once done */ 340 s390_ipl_get_reset_request(&cs, &reset_type); 341 342 /* all CPUs are paused and synchronized at this point */ 343 s390_cmma_reset(); 344 345 switch (reset_type) { 346 case S390_RESET_EXTERNAL: 347 case S390_RESET_REIPL: 348 qemu_devices_reset(); 349 s390_crypto_reset(); 350 351 /* configure and start the ipl CPU only */ 352 run_on_cpu(cs, s390_do_cpu_ipl, RUN_ON_CPU_NULL); 353 break; 354 case S390_RESET_MODIFIED_CLEAR: 355 CPU_FOREACH(t) { 356 run_on_cpu(t, s390_do_cpu_full_reset, RUN_ON_CPU_NULL); 357 } 358 subsystem_reset(); 359 s390_crypto_reset(); 360 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 361 break; 362 case S390_RESET_LOAD_NORMAL: 363 CPU_FOREACH(t) { 364 run_on_cpu(t, s390_do_cpu_reset, RUN_ON_CPU_NULL); 365 } 366 subsystem_reset(); 367 run_on_cpu(cs, s390_do_cpu_initial_reset, RUN_ON_CPU_NULL); 368 run_on_cpu(cs, s390_do_cpu_load_normal, RUN_ON_CPU_NULL); 369 break; 370 default: 371 g_assert_not_reached(); 372 } 373 s390_ipl_clear_reset_request(); 374 } 375 376 static void s390_machine_device_plug(HotplugHandler *hotplug_dev, 377 DeviceState *dev, Error **errp) 378 { 379 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 380 s390_cpu_plug(hotplug_dev, dev, errp); 381 } 382 } 383 384 static void s390_machine_device_unplug_request(HotplugHandler *hotplug_dev, 385 DeviceState *dev, Error **errp) 386 { 387 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 388 error_setg(errp, "CPU hot unplug not supported on this machine"); 389 return; 390 } 391 } 392 393 static CpuInstanceProperties s390_cpu_index_to_props(MachineState *ms, 394 unsigned cpu_index) 395 { 396 MachineClass *mc = MACHINE_GET_CLASS(ms); 397 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(ms); 398 399 assert(cpu_index < possible_cpus->len); 400 return possible_cpus->cpus[cpu_index].props; 401 } 402 403 static const CPUArchIdList *s390_possible_cpu_arch_ids(MachineState *ms) 404 { 405 int i; 406 407 if (ms->possible_cpus) { 408 g_assert(ms->possible_cpus && ms->possible_cpus->len == max_cpus); 409 return ms->possible_cpus; 410 } 411 412 ms->possible_cpus = g_malloc0(sizeof(CPUArchIdList) + 413 sizeof(CPUArchId) * max_cpus); 414 ms->possible_cpus->len = max_cpus; 415 for (i = 0; i < ms->possible_cpus->len; i++) { 416 ms->possible_cpus->cpus[i].type = ms->cpu_type; 417 ms->possible_cpus->cpus[i].vcpus_count = 1; 418 ms->possible_cpus->cpus[i].arch_id = i; 419 ms->possible_cpus->cpus[i].props.has_core_id = true; 420 ms->possible_cpus->cpus[i].props.core_id = i; 421 } 422 423 return ms->possible_cpus; 424 } 425 426 static HotplugHandler *s390_get_hotplug_handler(MachineState *machine, 427 DeviceState *dev) 428 { 429 if (object_dynamic_cast(OBJECT(dev), TYPE_CPU)) { 430 return HOTPLUG_HANDLER(machine); 431 } 432 return NULL; 433 } 434 435 static void s390_hot_add_cpu(const int64_t id, Error **errp) 436 { 437 MachineState *machine = MACHINE(qdev_get_machine()); 438 ObjectClass *oc; 439 440 g_assert(machine->possible_cpus->cpus[0].cpu); 441 oc = OBJECT_CLASS(CPU_GET_CLASS(machine->possible_cpus->cpus[0].cpu)); 442 443 s390x_new_cpu(object_class_get_name(oc), id, errp); 444 } 445 446 static void s390_nmi(NMIState *n, int cpu_index, Error **errp) 447 { 448 CPUState *cs = qemu_get_cpu(cpu_index); 449 450 s390_cpu_restart(S390_CPU(cs)); 451 } 452 453 static void ccw_machine_class_init(ObjectClass *oc, void *data) 454 { 455 MachineClass *mc = MACHINE_CLASS(oc); 456 NMIClass *nc = NMI_CLASS(oc); 457 HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc); 458 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 459 460 s390mc->ri_allowed = true; 461 s390mc->cpu_model_allowed = true; 462 s390mc->css_migration_enabled = true; 463 s390mc->hpage_1m_allowed = true; 464 mc->init = ccw_init; 465 mc->reset = s390_machine_reset; 466 mc->hot_add_cpu = s390_hot_add_cpu; 467 mc->block_default_type = IF_VIRTIO; 468 mc->no_cdrom = 1; 469 mc->no_floppy = 1; 470 mc->no_parallel = 1; 471 mc->no_sdcard = 1; 472 mc->max_cpus = S390_MAX_CPUS; 473 mc->has_hotpluggable_cpus = true; 474 assert(!mc->get_hotplug_handler); 475 mc->get_hotplug_handler = s390_get_hotplug_handler; 476 mc->cpu_index_to_instance_props = s390_cpu_index_to_props; 477 mc->possible_cpu_arch_ids = s390_possible_cpu_arch_ids; 478 /* it is overridden with 'host' cpu *in kvm_arch_init* */ 479 mc->default_cpu_type = S390_CPU_TYPE_NAME("qemu"); 480 hc->plug = s390_machine_device_plug; 481 hc->unplug_request = s390_machine_device_unplug_request; 482 nc->nmi_monitor_handler = s390_nmi; 483 } 484 485 static inline bool machine_get_aes_key_wrap(Object *obj, Error **errp) 486 { 487 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 488 489 return ms->aes_key_wrap; 490 } 491 492 static inline void machine_set_aes_key_wrap(Object *obj, bool value, 493 Error **errp) 494 { 495 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 496 497 ms->aes_key_wrap = value; 498 } 499 500 static inline bool machine_get_dea_key_wrap(Object *obj, Error **errp) 501 { 502 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 503 504 return ms->dea_key_wrap; 505 } 506 507 static inline void machine_set_dea_key_wrap(Object *obj, bool value, 508 Error **errp) 509 { 510 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 511 512 ms->dea_key_wrap = value; 513 } 514 515 static S390CcwMachineClass *current_mc; 516 517 static S390CcwMachineClass *get_machine_class(void) 518 { 519 if (unlikely(!current_mc)) { 520 /* 521 * No s390 ccw machine was instantiated, we are likely to 522 * be called for the 'none' machine. The properties will 523 * have their after-initialization values. 524 */ 525 current_mc = S390_MACHINE_CLASS( 526 object_class_by_name(TYPE_S390_CCW_MACHINE)); 527 } 528 return current_mc; 529 } 530 531 bool ri_allowed(void) 532 { 533 /* for "none" machine this results in true */ 534 return get_machine_class()->ri_allowed; 535 } 536 537 bool cpu_model_allowed(void) 538 { 539 /* for "none" machine this results in true */ 540 return get_machine_class()->cpu_model_allowed; 541 } 542 543 bool hpage_1m_allowed(void) 544 { 545 /* for "none" machine this results in true */ 546 return get_machine_class()->hpage_1m_allowed; 547 } 548 549 static char *machine_get_loadparm(Object *obj, Error **errp) 550 { 551 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 552 553 return g_memdup(ms->loadparm, sizeof(ms->loadparm)); 554 } 555 556 static void machine_set_loadparm(Object *obj, const char *val, Error **errp) 557 { 558 S390CcwMachineState *ms = S390_CCW_MACHINE(obj); 559 int i; 560 561 for (i = 0; i < sizeof(ms->loadparm) && val[i]; i++) { 562 uint8_t c = qemu_toupper(val[i]); /* mimic HMC */ 563 564 if (('A' <= c && c <= 'Z') || ('0' <= c && c <= '9') || (c == '.') || 565 (c == ' ')) { 566 ms->loadparm[i] = c; 567 } else { 568 error_setg(errp, "LOADPARM: invalid character '%c' (ASCII 0x%02x)", 569 c, c); 570 return; 571 } 572 } 573 574 for (; i < sizeof(ms->loadparm); i++) { 575 ms->loadparm[i] = ' '; /* pad right with spaces */ 576 } 577 } 578 static inline void s390_machine_initfn(Object *obj) 579 { 580 object_property_add_bool(obj, "aes-key-wrap", 581 machine_get_aes_key_wrap, 582 machine_set_aes_key_wrap, NULL); 583 object_property_set_description(obj, "aes-key-wrap", 584 "enable/disable AES key wrapping using the CPACF wrapping key", 585 NULL); 586 object_property_set_bool(obj, true, "aes-key-wrap", NULL); 587 588 object_property_add_bool(obj, "dea-key-wrap", 589 machine_get_dea_key_wrap, 590 machine_set_dea_key_wrap, NULL); 591 object_property_set_description(obj, "dea-key-wrap", 592 "enable/disable DEA key wrapping using the CPACF wrapping key", 593 NULL); 594 object_property_set_bool(obj, true, "dea-key-wrap", NULL); 595 object_property_add_str(obj, "loadparm", 596 machine_get_loadparm, machine_set_loadparm, NULL); 597 object_property_set_description(obj, "loadparm", 598 "Up to 8 chars in set of [A-Za-z0-9. ] (lower case chars converted" 599 " to upper case) to pass to machine loader, boot manager," 600 " and guest kernel", 601 NULL); 602 } 603 604 static const TypeInfo ccw_machine_info = { 605 .name = TYPE_S390_CCW_MACHINE, 606 .parent = TYPE_MACHINE, 607 .abstract = true, 608 .instance_size = sizeof(S390CcwMachineState), 609 .instance_init = s390_machine_initfn, 610 .class_size = sizeof(S390CcwMachineClass), 611 .class_init = ccw_machine_class_init, 612 .interfaces = (InterfaceInfo[]) { 613 { TYPE_NMI }, 614 { TYPE_HOTPLUG_HANDLER}, 615 { } 616 }, 617 }; 618 619 bool css_migration_enabled(void) 620 { 621 return get_machine_class()->css_migration_enabled; 622 } 623 624 #define DEFINE_CCW_MACHINE(suffix, verstr, latest) \ 625 static void ccw_machine_##suffix##_class_init(ObjectClass *oc, \ 626 void *data) \ 627 { \ 628 MachineClass *mc = MACHINE_CLASS(oc); \ 629 ccw_machine_##suffix##_class_options(mc); \ 630 mc->desc = "VirtIO-ccw based S390 machine v" verstr; \ 631 if (latest) { \ 632 mc->alias = "s390-ccw-virtio"; \ 633 mc->is_default = 1; \ 634 } \ 635 } \ 636 static void ccw_machine_##suffix##_instance_init(Object *obj) \ 637 { \ 638 MachineState *machine = MACHINE(obj); \ 639 current_mc = S390_MACHINE_CLASS(MACHINE_GET_CLASS(machine)); \ 640 ccw_machine_##suffix##_instance_options(machine); \ 641 } \ 642 static const TypeInfo ccw_machine_##suffix##_info = { \ 643 .name = MACHINE_TYPE_NAME("s390-ccw-virtio-" verstr), \ 644 .parent = TYPE_S390_CCW_MACHINE, \ 645 .class_init = ccw_machine_##suffix##_class_init, \ 646 .instance_init = ccw_machine_##suffix##_instance_init, \ 647 }; \ 648 static void ccw_machine_register_##suffix(void) \ 649 { \ 650 type_register_static(&ccw_machine_##suffix##_info); \ 651 } \ 652 type_init(ccw_machine_register_##suffix) 653 654 #define CCW_COMPAT_3_0 \ 655 HW_COMPAT_3_0 656 657 #define CCW_COMPAT_2_12 \ 658 HW_COMPAT_2_12 659 660 #define CCW_COMPAT_2_11 \ 661 HW_COMPAT_2_11 \ 662 {\ 663 .driver = TYPE_SCLP_EVENT_FACILITY,\ 664 .property = "allow_all_mask_sizes",\ 665 .value = "off",\ 666 }, 667 668 #define CCW_COMPAT_2_10 \ 669 HW_COMPAT_2_10 670 671 #define CCW_COMPAT_2_9 \ 672 HW_COMPAT_2_9 \ 673 {\ 674 .driver = TYPE_S390_STATTRIB,\ 675 .property = "migration-enabled",\ 676 .value = "off",\ 677 }, 678 679 #define CCW_COMPAT_2_8 \ 680 HW_COMPAT_2_8 \ 681 {\ 682 .driver = TYPE_S390_FLIC_COMMON,\ 683 .property = "adapter_routes_max_batch",\ 684 .value = "64",\ 685 }, 686 687 #define CCW_COMPAT_2_7 \ 688 HW_COMPAT_2_7 689 690 #define CCW_COMPAT_2_6 \ 691 HW_COMPAT_2_6 \ 692 {\ 693 .driver = TYPE_S390_IPL,\ 694 .property = "iplbext_migration",\ 695 .value = "off",\ 696 }, {\ 697 .driver = TYPE_VIRTUAL_CSS_BRIDGE,\ 698 .property = "css_dev_path",\ 699 .value = "off",\ 700 }, 701 702 #define CCW_COMPAT_2_5 \ 703 HW_COMPAT_2_5 704 705 #define CCW_COMPAT_2_4 \ 706 HW_COMPAT_2_4 \ 707 {\ 708 .driver = TYPE_S390_SKEYS,\ 709 .property = "migration-enabled",\ 710 .value = "off",\ 711 },{\ 712 .driver = "virtio-blk-ccw",\ 713 .property = "max_revision",\ 714 .value = "0",\ 715 },{\ 716 .driver = "virtio-balloon-ccw",\ 717 .property = "max_revision",\ 718 .value = "0",\ 719 },{\ 720 .driver = "virtio-serial-ccw",\ 721 .property = "max_revision",\ 722 .value = "0",\ 723 },{\ 724 .driver = "virtio-9p-ccw",\ 725 .property = "max_revision",\ 726 .value = "0",\ 727 },{\ 728 .driver = "virtio-rng-ccw",\ 729 .property = "max_revision",\ 730 .value = "0",\ 731 },{\ 732 .driver = "virtio-net-ccw",\ 733 .property = "max_revision",\ 734 .value = "0",\ 735 },{\ 736 .driver = "virtio-scsi-ccw",\ 737 .property = "max_revision",\ 738 .value = "0",\ 739 },{\ 740 .driver = "vhost-scsi-ccw",\ 741 .property = "max_revision",\ 742 .value = "0",\ 743 }, 744 745 static void ccw_machine_3_1_instance_options(MachineState *machine) 746 { 747 } 748 749 static void ccw_machine_3_1_class_options(MachineClass *mc) 750 { 751 } 752 DEFINE_CCW_MACHINE(3_1, "3.1", true); 753 754 static void ccw_machine_3_0_instance_options(MachineState *machine) 755 { 756 ccw_machine_3_1_instance_options(machine); 757 } 758 759 static void ccw_machine_3_0_class_options(MachineClass *mc) 760 { 761 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 762 763 s390mc->hpage_1m_allowed = false; 764 ccw_machine_3_1_class_options(mc); 765 SET_MACHINE_COMPAT(mc, CCW_COMPAT_3_0); 766 } 767 DEFINE_CCW_MACHINE(3_0, "3.0", false); 768 769 static void ccw_machine_2_12_instance_options(MachineState *machine) 770 { 771 ccw_machine_3_0_instance_options(machine); 772 s390_cpudef_featoff_greater(11, 1, S390_FEAT_PPA15); 773 s390_cpudef_featoff_greater(11, 1, S390_FEAT_BPB); 774 } 775 776 static void ccw_machine_2_12_class_options(MachineClass *mc) 777 { 778 ccw_machine_3_0_class_options(mc); 779 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_12); 780 } 781 DEFINE_CCW_MACHINE(2_12, "2.12", false); 782 783 static void ccw_machine_2_11_instance_options(MachineState *machine) 784 { 785 static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V2_11 }; 786 ccw_machine_2_12_instance_options(machine); 787 788 /* before 2.12 we emulated the very first z900 */ 789 s390_set_qemu_cpu_model(0x2064, 7, 1, qemu_cpu_feat); 790 } 791 792 static void ccw_machine_2_11_class_options(MachineClass *mc) 793 { 794 ccw_machine_2_12_class_options(mc); 795 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_11); 796 } 797 DEFINE_CCW_MACHINE(2_11, "2.11", false); 798 799 static void ccw_machine_2_10_instance_options(MachineState *machine) 800 { 801 ccw_machine_2_11_instance_options(machine); 802 } 803 804 static void ccw_machine_2_10_class_options(MachineClass *mc) 805 { 806 ccw_machine_2_11_class_options(mc); 807 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_10); 808 } 809 DEFINE_CCW_MACHINE(2_10, "2.10", false); 810 811 static void ccw_machine_2_9_instance_options(MachineState *machine) 812 { 813 ccw_machine_2_10_instance_options(machine); 814 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ESOP); 815 s390_cpudef_featoff_greater(12, 1, S390_FEAT_SIDE_EFFECT_ACCESS_ESOP2); 816 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ZPCI); 817 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_INT_SUPPRESSION); 818 s390_cpudef_featoff_greater(12, 1, S390_FEAT_ADAPTER_EVENT_NOTIFICATION); 819 } 820 821 static void ccw_machine_2_9_class_options(MachineClass *mc) 822 { 823 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 824 825 ccw_machine_2_10_class_options(mc); 826 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_9); 827 s390mc->css_migration_enabled = false; 828 } 829 DEFINE_CCW_MACHINE(2_9, "2.9", false); 830 831 static void ccw_machine_2_8_instance_options(MachineState *machine) 832 { 833 ccw_machine_2_9_instance_options(machine); 834 } 835 836 static void ccw_machine_2_8_class_options(MachineClass *mc) 837 { 838 ccw_machine_2_9_class_options(mc); 839 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_8); 840 } 841 DEFINE_CCW_MACHINE(2_8, "2.8", false); 842 843 static void ccw_machine_2_7_instance_options(MachineState *machine) 844 { 845 ccw_machine_2_8_instance_options(machine); 846 } 847 848 static void ccw_machine_2_7_class_options(MachineClass *mc) 849 { 850 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 851 852 s390mc->cpu_model_allowed = false; 853 ccw_machine_2_8_class_options(mc); 854 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_7); 855 } 856 DEFINE_CCW_MACHINE(2_7, "2.7", false); 857 858 static void ccw_machine_2_6_instance_options(MachineState *machine) 859 { 860 ccw_machine_2_7_instance_options(machine); 861 } 862 863 static void ccw_machine_2_6_class_options(MachineClass *mc) 864 { 865 S390CcwMachineClass *s390mc = S390_MACHINE_CLASS(mc); 866 867 s390mc->ri_allowed = false; 868 ccw_machine_2_7_class_options(mc); 869 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_6); 870 } 871 DEFINE_CCW_MACHINE(2_6, "2.6", false); 872 873 static void ccw_machine_2_5_instance_options(MachineState *machine) 874 { 875 ccw_machine_2_6_instance_options(machine); 876 } 877 878 static void ccw_machine_2_5_class_options(MachineClass *mc) 879 { 880 ccw_machine_2_6_class_options(mc); 881 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_5); 882 } 883 DEFINE_CCW_MACHINE(2_5, "2.5", false); 884 885 static void ccw_machine_2_4_instance_options(MachineState *machine) 886 { 887 ccw_machine_2_5_instance_options(machine); 888 } 889 890 static void ccw_machine_2_4_class_options(MachineClass *mc) 891 { 892 ccw_machine_2_5_class_options(mc); 893 SET_MACHINE_COMPAT(mc, CCW_COMPAT_2_4); 894 } 895 DEFINE_CCW_MACHINE(2_4, "2.4", false); 896 897 static void ccw_machine_register_types(void) 898 { 899 type_register_static(&ccw_machine_info); 900 } 901 902 type_init(ccw_machine_register_types) 903