1 /* 2 * QEMU Machine 3 * 4 * Copyright (C) 2014 Red Hat Inc 5 * 6 * Authors: 7 * Marcel Apfelbaum <marcel.a@redhat.com> 8 * 9 * This work is licensed under the terms of the GNU GPL, version 2 or later. 10 * See the COPYING file in the top-level directory. 11 */ 12 13 #include "qemu/osdep.h" 14 #include "qemu/units.h" 15 #include "hw/boards.h" 16 #include "qapi/error.h" 17 #include "qapi/qapi-visit-common.h" 18 #include "qapi/visitor.h" 19 #include "hw/sysbus.h" 20 #include "sysemu/sysemu.h" 21 #include "sysemu/numa.h" 22 #include "qemu/error-report.h" 23 #include "sysemu/qtest.h" 24 #include "hw/pci/pci.h" 25 26 GlobalProperty hw_compat_3_1[] = { 27 { "pcie-root-port", "x-speed", "2_5" }, 28 { "pcie-root-port", "x-width", "1" }, 29 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" }, 30 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" }, 31 }; 32 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); 33 34 GlobalProperty hw_compat_3_0[] = {}; 35 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0); 36 37 GlobalProperty hw_compat_2_12[] = { 38 { "migration", "decompress-error-check", "off" }, 39 { "hda-audio", "use-timer", "false" }, 40 { "cirrus-vga", "global-vmstate", "true" }, 41 { "VGA", "global-vmstate", "true" }, 42 { "vmware-svga", "global-vmstate", "true" }, 43 { "qxl-vga", "global-vmstate", "true" }, 44 }; 45 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12); 46 47 GlobalProperty hw_compat_2_11[] = { 48 { "hpet", "hpet-offset-saved", "false" }, 49 { "virtio-blk-pci", "vectors", "2" }, 50 { "vhost-user-blk-pci", "vectors", "2" }, 51 { "e1000", "migrate_tso_props", "off" }, 52 }; 53 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11); 54 55 GlobalProperty hw_compat_2_10[] = { 56 { "virtio-mouse-device", "wheel-axis", "false" }, 57 { "virtio-tablet-device", "wheel-axis", "false" }, 58 }; 59 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10); 60 61 GlobalProperty hw_compat_2_9[] = { 62 { "pci-bridge", "shpc", "off" }, 63 { "intel-iommu", "pt", "off" }, 64 { "virtio-net-device", "x-mtu-bypass-backend", "off" }, 65 { "pcie-root-port", "x-migrate-msix", "false" }, 66 }; 67 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9); 68 69 GlobalProperty hw_compat_2_8[] = { 70 { "fw_cfg_mem", "x-file-slots", "0x10" }, 71 { "fw_cfg_io", "x-file-slots", "0x10" }, 72 { "pflash_cfi01", "old-multiple-chip-handling", "on" }, 73 { "pci-bridge", "shpc", "on" }, 74 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" }, 75 { "virtio-pci", "x-pcie-deverr-init", "off" }, 76 { "virtio-pci", "x-pcie-lnkctl-init", "off" }, 77 { "virtio-pci", "x-pcie-pm-init", "off" }, 78 { "cirrus-vga", "vgamem_mb", "8" }, 79 { "isa-cirrus-vga", "vgamem_mb", "8" }, 80 }; 81 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8); 82 83 GlobalProperty hw_compat_2_7[] = { 84 { "virtio-pci", "page-per-vq", "on" }, 85 { "virtio-serial-device", "emergency-write", "off" }, 86 { "ioapic", "version", "0x11" }, 87 { "intel-iommu", "x-buggy-eim", "true" }, 88 { "virtio-pci", "x-ignore-backend-features", "on" }, 89 }; 90 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7); 91 92 GlobalProperty hw_compat_2_6[] = { 93 { "virtio-mmio", "format_transport_address", "off" }, 94 { "virtio-pci", "disable-modern", "on" }, 95 { "virtio-pci", "disable-legacy", "off" }, 96 }; 97 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6); 98 99 GlobalProperty hw_compat_2_5[] = { 100 { "isa-fdc", "fallback", "144" }, 101 { "pvscsi", "x-old-pci-configuration", "on" }, 102 { "pvscsi", "x-disable-pcie", "on" }, 103 { "vmxnet3", "x-old-msi-offsets", "on" }, 104 { "vmxnet3", "x-disable-pcie", "on" }, 105 }; 106 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5); 107 108 GlobalProperty hw_compat_2_4[] = { 109 { "virtio-blk-device", "scsi", "true" }, 110 { "e1000", "extra_mac_registers", "off" }, 111 { "virtio-pci", "x-disable-pcie", "on" }, 112 { "virtio-pci", "migrate-extra", "off" }, 113 { "fw_cfg_mem", "dma_enabled", "off" }, 114 { "fw_cfg_io", "dma_enabled", "off" } 115 }; 116 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4); 117 118 GlobalProperty hw_compat_2_3[] = { 119 { "virtio-blk-pci", "any_layout", "off" }, 120 { "virtio-balloon-pci", "any_layout", "off" }, 121 { "virtio-serial-pci", "any_layout", "off" }, 122 { "virtio-9p-pci", "any_layout", "off" }, 123 { "virtio-rng-pci", "any_layout", "off" }, 124 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" }, 125 { "migration", "send-configuration", "off" }, 126 { "migration", "send-section-footer", "off" }, 127 { "migration", "store-global-state", "off" }, 128 }; 129 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3); 130 131 GlobalProperty hw_compat_2_2[] = {}; 132 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2); 133 134 GlobalProperty hw_compat_2_1[] = { 135 { "intel-hda", "old_msi_addr", "on" }, 136 { "VGA", "qemu-extended-regs", "off" }, 137 { "secondary-vga", "qemu-extended-regs", "off" }, 138 { "virtio-scsi-pci", "any_layout", "off" }, 139 { "usb-mouse", "usb_version", "1" }, 140 { "usb-kbd", "usb_version", "1" }, 141 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" }, 142 }; 143 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1); 144 145 static char *machine_get_accel(Object *obj, Error **errp) 146 { 147 MachineState *ms = MACHINE(obj); 148 149 return g_strdup(ms->accel); 150 } 151 152 static void machine_set_accel(Object *obj, const char *value, Error **errp) 153 { 154 MachineState *ms = MACHINE(obj); 155 156 g_free(ms->accel); 157 ms->accel = g_strdup(value); 158 } 159 160 static void machine_set_kernel_irqchip(Object *obj, Visitor *v, 161 const char *name, void *opaque, 162 Error **errp) 163 { 164 Error *err = NULL; 165 MachineState *ms = MACHINE(obj); 166 OnOffSplit mode; 167 168 visit_type_OnOffSplit(v, name, &mode, &err); 169 if (err) { 170 error_propagate(errp, err); 171 return; 172 } else { 173 switch (mode) { 174 case ON_OFF_SPLIT_ON: 175 ms->kernel_irqchip_allowed = true; 176 ms->kernel_irqchip_required = true; 177 ms->kernel_irqchip_split = false; 178 break; 179 case ON_OFF_SPLIT_OFF: 180 ms->kernel_irqchip_allowed = false; 181 ms->kernel_irqchip_required = false; 182 ms->kernel_irqchip_split = false; 183 break; 184 case ON_OFF_SPLIT_SPLIT: 185 ms->kernel_irqchip_allowed = true; 186 ms->kernel_irqchip_required = true; 187 ms->kernel_irqchip_split = true; 188 break; 189 default: 190 /* The value was checked in visit_type_OnOffSplit() above. If 191 * we get here, then something is wrong in QEMU. 192 */ 193 abort(); 194 } 195 } 196 } 197 198 static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v, 199 const char *name, void *opaque, 200 Error **errp) 201 { 202 MachineState *ms = MACHINE(obj); 203 int64_t value = ms->kvm_shadow_mem; 204 205 visit_type_int(v, name, &value, errp); 206 } 207 208 static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v, 209 const char *name, void *opaque, 210 Error **errp) 211 { 212 MachineState *ms = MACHINE(obj); 213 Error *error = NULL; 214 int64_t value; 215 216 visit_type_int(v, name, &value, &error); 217 if (error) { 218 error_propagate(errp, error); 219 return; 220 } 221 222 ms->kvm_shadow_mem = value; 223 } 224 225 static char *machine_get_kernel(Object *obj, Error **errp) 226 { 227 MachineState *ms = MACHINE(obj); 228 229 return g_strdup(ms->kernel_filename); 230 } 231 232 static void machine_set_kernel(Object *obj, const char *value, Error **errp) 233 { 234 MachineState *ms = MACHINE(obj); 235 236 g_free(ms->kernel_filename); 237 ms->kernel_filename = g_strdup(value); 238 } 239 240 static char *machine_get_initrd(Object *obj, Error **errp) 241 { 242 MachineState *ms = MACHINE(obj); 243 244 return g_strdup(ms->initrd_filename); 245 } 246 247 static void machine_set_initrd(Object *obj, const char *value, Error **errp) 248 { 249 MachineState *ms = MACHINE(obj); 250 251 g_free(ms->initrd_filename); 252 ms->initrd_filename = g_strdup(value); 253 } 254 255 static char *machine_get_append(Object *obj, Error **errp) 256 { 257 MachineState *ms = MACHINE(obj); 258 259 return g_strdup(ms->kernel_cmdline); 260 } 261 262 static void machine_set_append(Object *obj, const char *value, Error **errp) 263 { 264 MachineState *ms = MACHINE(obj); 265 266 g_free(ms->kernel_cmdline); 267 ms->kernel_cmdline = g_strdup(value); 268 } 269 270 static char *machine_get_dtb(Object *obj, Error **errp) 271 { 272 MachineState *ms = MACHINE(obj); 273 274 return g_strdup(ms->dtb); 275 } 276 277 static void machine_set_dtb(Object *obj, const char *value, Error **errp) 278 { 279 MachineState *ms = MACHINE(obj); 280 281 g_free(ms->dtb); 282 ms->dtb = g_strdup(value); 283 } 284 285 static char *machine_get_dumpdtb(Object *obj, Error **errp) 286 { 287 MachineState *ms = MACHINE(obj); 288 289 return g_strdup(ms->dumpdtb); 290 } 291 292 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp) 293 { 294 MachineState *ms = MACHINE(obj); 295 296 g_free(ms->dumpdtb); 297 ms->dumpdtb = g_strdup(value); 298 } 299 300 static void machine_get_phandle_start(Object *obj, Visitor *v, 301 const char *name, void *opaque, 302 Error **errp) 303 { 304 MachineState *ms = MACHINE(obj); 305 int64_t value = ms->phandle_start; 306 307 visit_type_int(v, name, &value, errp); 308 } 309 310 static void machine_set_phandle_start(Object *obj, Visitor *v, 311 const char *name, void *opaque, 312 Error **errp) 313 { 314 MachineState *ms = MACHINE(obj); 315 Error *error = NULL; 316 int64_t value; 317 318 visit_type_int(v, name, &value, &error); 319 if (error) { 320 error_propagate(errp, error); 321 return; 322 } 323 324 ms->phandle_start = value; 325 } 326 327 static char *machine_get_dt_compatible(Object *obj, Error **errp) 328 { 329 MachineState *ms = MACHINE(obj); 330 331 return g_strdup(ms->dt_compatible); 332 } 333 334 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp) 335 { 336 MachineState *ms = MACHINE(obj); 337 338 g_free(ms->dt_compatible); 339 ms->dt_compatible = g_strdup(value); 340 } 341 342 static bool machine_get_dump_guest_core(Object *obj, Error **errp) 343 { 344 MachineState *ms = MACHINE(obj); 345 346 return ms->dump_guest_core; 347 } 348 349 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp) 350 { 351 MachineState *ms = MACHINE(obj); 352 353 ms->dump_guest_core = value; 354 } 355 356 static bool machine_get_mem_merge(Object *obj, Error **errp) 357 { 358 MachineState *ms = MACHINE(obj); 359 360 return ms->mem_merge; 361 } 362 363 static void machine_set_mem_merge(Object *obj, bool value, Error **errp) 364 { 365 MachineState *ms = MACHINE(obj); 366 367 ms->mem_merge = value; 368 } 369 370 static bool machine_get_usb(Object *obj, Error **errp) 371 { 372 MachineState *ms = MACHINE(obj); 373 374 return ms->usb; 375 } 376 377 static void machine_set_usb(Object *obj, bool value, Error **errp) 378 { 379 MachineState *ms = MACHINE(obj); 380 381 ms->usb = value; 382 ms->usb_disabled = !value; 383 } 384 385 static bool machine_get_graphics(Object *obj, Error **errp) 386 { 387 MachineState *ms = MACHINE(obj); 388 389 return ms->enable_graphics; 390 } 391 392 static void machine_set_graphics(Object *obj, bool value, Error **errp) 393 { 394 MachineState *ms = MACHINE(obj); 395 396 ms->enable_graphics = value; 397 } 398 399 static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp) 400 { 401 MachineState *ms = MACHINE(obj); 402 403 return ms->igd_gfx_passthru; 404 } 405 406 static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp) 407 { 408 MachineState *ms = MACHINE(obj); 409 410 ms->igd_gfx_passthru = value; 411 } 412 413 static char *machine_get_firmware(Object *obj, Error **errp) 414 { 415 MachineState *ms = MACHINE(obj); 416 417 return g_strdup(ms->firmware); 418 } 419 420 static void machine_set_firmware(Object *obj, const char *value, Error **errp) 421 { 422 MachineState *ms = MACHINE(obj); 423 424 g_free(ms->firmware); 425 ms->firmware = g_strdup(value); 426 } 427 428 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp) 429 { 430 MachineState *ms = MACHINE(obj); 431 432 ms->suppress_vmdesc = value; 433 } 434 435 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp) 436 { 437 MachineState *ms = MACHINE(obj); 438 439 return ms->suppress_vmdesc; 440 } 441 442 static void machine_set_enforce_config_section(Object *obj, bool value, 443 Error **errp) 444 { 445 MachineState *ms = MACHINE(obj); 446 447 warn_report("enforce-config-section is deprecated, please use " 448 "-global migration.send-configuration=on|off instead"); 449 450 ms->enforce_config_section = value; 451 } 452 453 static bool machine_get_enforce_config_section(Object *obj, Error **errp) 454 { 455 MachineState *ms = MACHINE(obj); 456 457 return ms->enforce_config_section; 458 } 459 460 static char *machine_get_memory_encryption(Object *obj, Error **errp) 461 { 462 MachineState *ms = MACHINE(obj); 463 464 return g_strdup(ms->memory_encryption); 465 } 466 467 static void machine_set_memory_encryption(Object *obj, const char *value, 468 Error **errp) 469 { 470 MachineState *ms = MACHINE(obj); 471 472 g_free(ms->memory_encryption); 473 ms->memory_encryption = g_strdup(value); 474 } 475 476 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) 477 { 478 strList *item = g_new0(strList, 1); 479 480 item->value = g_strdup(type); 481 item->next = mc->allowed_dynamic_sysbus_devices; 482 mc->allowed_dynamic_sysbus_devices = item; 483 } 484 485 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque) 486 { 487 MachineState *machine = opaque; 488 MachineClass *mc = MACHINE_GET_CLASS(machine); 489 bool allowed = false; 490 strList *wl; 491 492 for (wl = mc->allowed_dynamic_sysbus_devices; 493 !allowed && wl; 494 wl = wl->next) { 495 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value); 496 } 497 498 if (!allowed) { 499 error_report("Option '-device %s' cannot be handled by this machine", 500 object_class_get_name(object_get_class(OBJECT(sbdev)))); 501 exit(1); 502 } 503 } 504 505 static void machine_init_notify(Notifier *notifier, void *data) 506 { 507 MachineState *machine = MACHINE(qdev_get_machine()); 508 509 /* 510 * Loop through all dynamically created sysbus devices and check if they are 511 * all allowed. If a device is not allowed, error out. 512 */ 513 foreach_dynamic_sysbus_device(validate_sysbus_device, machine); 514 } 515 516 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine) 517 { 518 int i; 519 HotpluggableCPUList *head = NULL; 520 MachineClass *mc = MACHINE_GET_CLASS(machine); 521 522 /* force board to initialize possible_cpus if it hasn't been done yet */ 523 mc->possible_cpu_arch_ids(machine); 524 525 for (i = 0; i < machine->possible_cpus->len; i++) { 526 Object *cpu; 527 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1); 528 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1); 529 530 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type); 531 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count; 532 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props, 533 sizeof(*cpu_item->props)); 534 535 cpu = machine->possible_cpus->cpus[i].cpu; 536 if (cpu) { 537 cpu_item->has_qom_path = true; 538 cpu_item->qom_path = object_get_canonical_path(cpu); 539 } 540 list_item->value = cpu_item; 541 list_item->next = head; 542 head = list_item; 543 } 544 return head; 545 } 546 547 /** 548 * machine_set_cpu_numa_node: 549 * @machine: machine object to modify 550 * @props: specifies which cpu objects to assign to 551 * numa node specified by @props.node_id 552 * @errp: if an error occurs, a pointer to an area to store the error 553 * 554 * Associate NUMA node specified by @props.node_id with cpu slots that 555 * match socket/core/thread-ids specified by @props. It's recommended to use 556 * query-hotpluggable-cpus.props values to specify affected cpu slots, 557 * which would lead to exact 1:1 mapping of cpu slots to NUMA node. 558 * 559 * However for CLI convenience it's possible to pass in subset of properties, 560 * which would affect all cpu slots that match it. 561 * Ex for pc machine: 562 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \ 563 * -numa cpu,node-id=0,socket_id=0 \ 564 * -numa cpu,node-id=1,socket_id=1 565 * will assign all child cores of socket 0 to node 0 and 566 * of socket 1 to node 1. 567 * 568 * On attempt of reassigning (already assigned) cpu slot to another NUMA node, 569 * return error. 570 * Empty subset is disallowed and function will return with error in this case. 571 */ 572 void machine_set_cpu_numa_node(MachineState *machine, 573 const CpuInstanceProperties *props, Error **errp) 574 { 575 MachineClass *mc = MACHINE_GET_CLASS(machine); 576 bool match = false; 577 int i; 578 579 if (!mc->possible_cpu_arch_ids) { 580 error_setg(errp, "mapping of CPUs to NUMA node is not supported"); 581 return; 582 } 583 584 /* disabling node mapping is not supported, forbid it */ 585 assert(props->has_node_id); 586 587 /* force board to initialize possible_cpus if it hasn't been done yet */ 588 mc->possible_cpu_arch_ids(machine); 589 590 for (i = 0; i < machine->possible_cpus->len; i++) { 591 CPUArchId *slot = &machine->possible_cpus->cpus[i]; 592 593 /* reject unsupported by board properties */ 594 if (props->has_thread_id && !slot->props.has_thread_id) { 595 error_setg(errp, "thread-id is not supported"); 596 return; 597 } 598 599 if (props->has_core_id && !slot->props.has_core_id) { 600 error_setg(errp, "core-id is not supported"); 601 return; 602 } 603 604 if (props->has_socket_id && !slot->props.has_socket_id) { 605 error_setg(errp, "socket-id is not supported"); 606 return; 607 } 608 609 /* skip slots with explicit mismatch */ 610 if (props->has_thread_id && props->thread_id != slot->props.thread_id) { 611 continue; 612 } 613 614 if (props->has_core_id && props->core_id != slot->props.core_id) { 615 continue; 616 } 617 618 if (props->has_socket_id && props->socket_id != slot->props.socket_id) { 619 continue; 620 } 621 622 /* reject assignment if slot is already assigned, for compatibility 623 * of legacy cpu_index mapping with SPAPR core based mapping do not 624 * error out if cpu thread and matched core have the same node-id */ 625 if (slot->props.has_node_id && 626 slot->props.node_id != props->node_id) { 627 error_setg(errp, "CPU is already assigned to node-id: %" PRId64, 628 slot->props.node_id); 629 return; 630 } 631 632 /* assign slot to node as it's matched '-numa cpu' key */ 633 match = true; 634 slot->props.node_id = props->node_id; 635 slot->props.has_node_id = props->has_node_id; 636 } 637 638 if (!match) { 639 error_setg(errp, "no match found"); 640 } 641 } 642 643 static void machine_class_init(ObjectClass *oc, void *data) 644 { 645 MachineClass *mc = MACHINE_CLASS(oc); 646 647 /* Default 128 MB as guest ram size */ 648 mc->default_ram_size = 128 * MiB; 649 mc->rom_file_has_mr = true; 650 651 /* numa node memory size aligned on 8MB by default. 652 * On Linux, each node's border has to be 8MB aligned 653 */ 654 mc->numa_mem_align_shift = 23; 655 mc->numa_auto_assign_ram = numa_default_auto_assign_ram; 656 657 object_class_property_add_str(oc, "accel", 658 machine_get_accel, machine_set_accel, &error_abort); 659 object_class_property_set_description(oc, "accel", 660 "Accelerator list", &error_abort); 661 662 object_class_property_add(oc, "kernel-irqchip", "on|off|split", 663 NULL, machine_set_kernel_irqchip, 664 NULL, NULL, &error_abort); 665 object_class_property_set_description(oc, "kernel-irqchip", 666 "Configure KVM in-kernel irqchip", &error_abort); 667 668 object_class_property_add(oc, "kvm-shadow-mem", "int", 669 machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem, 670 NULL, NULL, &error_abort); 671 object_class_property_set_description(oc, "kvm-shadow-mem", 672 "KVM shadow MMU size", &error_abort); 673 674 object_class_property_add_str(oc, "kernel", 675 machine_get_kernel, machine_set_kernel, &error_abort); 676 object_class_property_set_description(oc, "kernel", 677 "Linux kernel image file", &error_abort); 678 679 object_class_property_add_str(oc, "initrd", 680 machine_get_initrd, machine_set_initrd, &error_abort); 681 object_class_property_set_description(oc, "initrd", 682 "Linux initial ramdisk file", &error_abort); 683 684 object_class_property_add_str(oc, "append", 685 machine_get_append, machine_set_append, &error_abort); 686 object_class_property_set_description(oc, "append", 687 "Linux kernel command line", &error_abort); 688 689 object_class_property_add_str(oc, "dtb", 690 machine_get_dtb, machine_set_dtb, &error_abort); 691 object_class_property_set_description(oc, "dtb", 692 "Linux kernel device tree file", &error_abort); 693 694 object_class_property_add_str(oc, "dumpdtb", 695 machine_get_dumpdtb, machine_set_dumpdtb, &error_abort); 696 object_class_property_set_description(oc, "dumpdtb", 697 "Dump current dtb to a file and quit", &error_abort); 698 699 object_class_property_add(oc, "phandle-start", "int", 700 machine_get_phandle_start, machine_set_phandle_start, 701 NULL, NULL, &error_abort); 702 object_class_property_set_description(oc, "phandle-start", 703 "The first phandle ID we may generate dynamically", &error_abort); 704 705 object_class_property_add_str(oc, "dt-compatible", 706 machine_get_dt_compatible, machine_set_dt_compatible, &error_abort); 707 object_class_property_set_description(oc, "dt-compatible", 708 "Overrides the \"compatible\" property of the dt root node", 709 &error_abort); 710 711 object_class_property_add_bool(oc, "dump-guest-core", 712 machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort); 713 object_class_property_set_description(oc, "dump-guest-core", 714 "Include guest memory in a core dump", &error_abort); 715 716 object_class_property_add_bool(oc, "mem-merge", 717 machine_get_mem_merge, machine_set_mem_merge, &error_abort); 718 object_class_property_set_description(oc, "mem-merge", 719 "Enable/disable memory merge support", &error_abort); 720 721 object_class_property_add_bool(oc, "usb", 722 machine_get_usb, machine_set_usb, &error_abort); 723 object_class_property_set_description(oc, "usb", 724 "Set on/off to enable/disable usb", &error_abort); 725 726 object_class_property_add_bool(oc, "graphics", 727 machine_get_graphics, machine_set_graphics, &error_abort); 728 object_class_property_set_description(oc, "graphics", 729 "Set on/off to enable/disable graphics emulation", &error_abort); 730 731 object_class_property_add_bool(oc, "igd-passthru", 732 machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru, 733 &error_abort); 734 object_class_property_set_description(oc, "igd-passthru", 735 "Set on/off to enable/disable igd passthrou", &error_abort); 736 737 object_class_property_add_str(oc, "firmware", 738 machine_get_firmware, machine_set_firmware, 739 &error_abort); 740 object_class_property_set_description(oc, "firmware", 741 "Firmware image", &error_abort); 742 743 object_class_property_add_bool(oc, "suppress-vmdesc", 744 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc, 745 &error_abort); 746 object_class_property_set_description(oc, "suppress-vmdesc", 747 "Set on to disable self-describing migration", &error_abort); 748 749 object_class_property_add_bool(oc, "enforce-config-section", 750 machine_get_enforce_config_section, machine_set_enforce_config_section, 751 &error_abort); 752 object_class_property_set_description(oc, "enforce-config-section", 753 "Set on to enforce configuration section migration", &error_abort); 754 755 object_class_property_add_str(oc, "memory-encryption", 756 machine_get_memory_encryption, machine_set_memory_encryption, 757 &error_abort); 758 object_class_property_set_description(oc, "memory-encryption", 759 "Set memory encryption object to use", &error_abort); 760 } 761 762 static void machine_class_base_init(ObjectClass *oc, void *data) 763 { 764 if (!object_class_is_abstract(oc)) { 765 MachineClass *mc = MACHINE_CLASS(oc); 766 const char *cname = object_class_get_name(oc); 767 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX)); 768 mc->name = g_strndup(cname, 769 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX)); 770 mc->compat_props = g_ptr_array_new(); 771 } 772 } 773 774 static void machine_initfn(Object *obj) 775 { 776 MachineState *ms = MACHINE(obj); 777 MachineClass *mc = MACHINE_GET_CLASS(obj); 778 779 ms->kernel_irqchip_allowed = true; 780 ms->kernel_irqchip_split = mc->default_kernel_irqchip_split; 781 ms->kvm_shadow_mem = -1; 782 ms->dump_guest_core = true; 783 ms->mem_merge = true; 784 ms->enable_graphics = true; 785 786 /* Register notifier when init is done for sysbus sanity checks */ 787 ms->sysbus_notifier.notify = machine_init_notify; 788 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); 789 } 790 791 static void machine_finalize(Object *obj) 792 { 793 MachineState *ms = MACHINE(obj); 794 795 g_free(ms->accel); 796 g_free(ms->kernel_filename); 797 g_free(ms->initrd_filename); 798 g_free(ms->kernel_cmdline); 799 g_free(ms->dtb); 800 g_free(ms->dumpdtb); 801 g_free(ms->dt_compatible); 802 g_free(ms->firmware); 803 g_free(ms->device_memory); 804 } 805 806 bool machine_usb(MachineState *machine) 807 { 808 return machine->usb; 809 } 810 811 bool machine_kernel_irqchip_allowed(MachineState *machine) 812 { 813 return machine->kernel_irqchip_allowed; 814 } 815 816 bool machine_kernel_irqchip_required(MachineState *machine) 817 { 818 return machine->kernel_irqchip_required; 819 } 820 821 bool machine_kernel_irqchip_split(MachineState *machine) 822 { 823 return machine->kernel_irqchip_split; 824 } 825 826 int machine_kvm_shadow_mem(MachineState *machine) 827 { 828 return machine->kvm_shadow_mem; 829 } 830 831 int machine_phandle_start(MachineState *machine) 832 { 833 return machine->phandle_start; 834 } 835 836 bool machine_dump_guest_core(MachineState *machine) 837 { 838 return machine->dump_guest_core; 839 } 840 841 bool machine_mem_merge(MachineState *machine) 842 { 843 return machine->mem_merge; 844 } 845 846 static char *cpu_slot_to_string(const CPUArchId *cpu) 847 { 848 GString *s = g_string_new(NULL); 849 if (cpu->props.has_socket_id) { 850 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id); 851 } 852 if (cpu->props.has_core_id) { 853 if (s->len) { 854 g_string_append_printf(s, ", "); 855 } 856 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id); 857 } 858 if (cpu->props.has_thread_id) { 859 if (s->len) { 860 g_string_append_printf(s, ", "); 861 } 862 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id); 863 } 864 return g_string_free(s, false); 865 } 866 867 static void machine_numa_finish_cpu_init(MachineState *machine) 868 { 869 int i; 870 bool default_mapping; 871 GString *s = g_string_new(NULL); 872 MachineClass *mc = MACHINE_GET_CLASS(machine); 873 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine); 874 875 assert(nb_numa_nodes); 876 for (i = 0; i < possible_cpus->len; i++) { 877 if (possible_cpus->cpus[i].props.has_node_id) { 878 break; 879 } 880 } 881 default_mapping = (i == possible_cpus->len); 882 883 for (i = 0; i < possible_cpus->len; i++) { 884 const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; 885 886 if (!cpu_slot->props.has_node_id) { 887 /* fetch default mapping from board and enable it */ 888 CpuInstanceProperties props = cpu_slot->props; 889 890 props.node_id = mc->get_default_cpu_node_id(machine, i); 891 if (!default_mapping) { 892 /* record slots with not set mapping, 893 * TODO: make it hard error in future */ 894 char *cpu_str = cpu_slot_to_string(cpu_slot); 895 g_string_append_printf(s, "%sCPU %d [%s]", 896 s->len ? ", " : "", i, cpu_str); 897 g_free(cpu_str); 898 899 /* non mapped cpus used to fallback to node 0 */ 900 props.node_id = 0; 901 } 902 903 props.has_node_id = true; 904 machine_set_cpu_numa_node(machine, &props, &error_fatal); 905 } 906 } 907 if (s->len && !qtest_enabled()) { 908 warn_report("CPU(s) not present in any NUMA nodes: %s", 909 s->str); 910 warn_report("All CPU(s) up to maxcpus should be described " 911 "in NUMA config, ability to start up with partial NUMA " 912 "mappings is obsoleted and will be removed in future"); 913 } 914 g_string_free(s, true); 915 } 916 917 void machine_run_board_init(MachineState *machine) 918 { 919 MachineClass *machine_class = MACHINE_GET_CLASS(machine); 920 921 numa_complete_configuration(machine); 922 if (nb_numa_nodes) { 923 machine_numa_finish_cpu_init(machine); 924 } 925 926 /* If the machine supports the valid_cpu_types check and the user 927 * specified a CPU with -cpu check here that the user CPU is supported. 928 */ 929 if (machine_class->valid_cpu_types && machine->cpu_type) { 930 ObjectClass *class = object_class_by_name(machine->cpu_type); 931 int i; 932 933 for (i = 0; machine_class->valid_cpu_types[i]; i++) { 934 if (object_class_dynamic_cast(class, 935 machine_class->valid_cpu_types[i])) { 936 /* The user specificed CPU is in the valid field, we are 937 * good to go. 938 */ 939 break; 940 } 941 } 942 943 if (!machine_class->valid_cpu_types[i]) { 944 /* The user specified CPU is not valid */ 945 error_report("Invalid CPU type: %s", machine->cpu_type); 946 error_printf("The valid types are: %s", 947 machine_class->valid_cpu_types[0]); 948 for (i = 1; machine_class->valid_cpu_types[i]; i++) { 949 error_printf(", %s", machine_class->valid_cpu_types[i]); 950 } 951 error_printf("\n"); 952 953 exit(1); 954 } 955 } 956 957 machine_class->init(machine); 958 } 959 960 static const TypeInfo machine_info = { 961 .name = TYPE_MACHINE, 962 .parent = TYPE_OBJECT, 963 .abstract = true, 964 .class_size = sizeof(MachineClass), 965 .class_init = machine_class_init, 966 .class_base_init = machine_class_base_init, 967 .instance_size = sizeof(MachineState), 968 .instance_init = machine_initfn, 969 .instance_finalize = machine_finalize, 970 }; 971 972 static void machine_register_types(void) 973 { 974 type_register_static(&machine_info); 975 } 976 977 type_init(machine_register_types) 978