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 #include "hw/mem/nvdimm.h" 26 27 GlobalProperty hw_compat_4_0[] = {}; 28 const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0); 29 30 GlobalProperty hw_compat_3_1[] = { 31 { "pcie-root-port", "x-speed", "2_5" }, 32 { "pcie-root-port", "x-width", "1" }, 33 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" }, 34 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" }, 35 { "tpm-crb", "ppi", "false" }, 36 { "tpm-tis", "ppi", "false" }, 37 { "usb-kbd", "serial", "42" }, 38 { "usb-mouse", "serial", "42" }, 39 { "usb-kbd", "serial", "42" }, 40 { "virtio-blk-device", "discard", "false" }, 41 { "virtio-blk-device", "write-zeroes", "false" }, 42 }; 43 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); 44 45 GlobalProperty hw_compat_3_0[] = {}; 46 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0); 47 48 GlobalProperty hw_compat_2_12[] = { 49 { "migration", "decompress-error-check", "off" }, 50 { "hda-audio", "use-timer", "false" }, 51 { "cirrus-vga", "global-vmstate", "true" }, 52 { "VGA", "global-vmstate", "true" }, 53 { "vmware-svga", "global-vmstate", "true" }, 54 { "qxl-vga", "global-vmstate", "true" }, 55 }; 56 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12); 57 58 GlobalProperty hw_compat_2_11[] = { 59 { "hpet", "hpet-offset-saved", "false" }, 60 { "virtio-blk-pci", "vectors", "2" }, 61 { "vhost-user-blk-pci", "vectors", "2" }, 62 { "e1000", "migrate_tso_props", "off" }, 63 }; 64 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11); 65 66 GlobalProperty hw_compat_2_10[] = { 67 { "virtio-mouse-device", "wheel-axis", "false" }, 68 { "virtio-tablet-device", "wheel-axis", "false" }, 69 }; 70 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10); 71 72 GlobalProperty hw_compat_2_9[] = { 73 { "pci-bridge", "shpc", "off" }, 74 { "intel-iommu", "pt", "off" }, 75 { "virtio-net-device", "x-mtu-bypass-backend", "off" }, 76 { "pcie-root-port", "x-migrate-msix", "false" }, 77 }; 78 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9); 79 80 GlobalProperty hw_compat_2_8[] = { 81 { "fw_cfg_mem", "x-file-slots", "0x10" }, 82 { "fw_cfg_io", "x-file-slots", "0x10" }, 83 { "pflash_cfi01", "old-multiple-chip-handling", "on" }, 84 { "pci-bridge", "shpc", "on" }, 85 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" }, 86 { "virtio-pci", "x-pcie-deverr-init", "off" }, 87 { "virtio-pci", "x-pcie-lnkctl-init", "off" }, 88 { "virtio-pci", "x-pcie-pm-init", "off" }, 89 { "cirrus-vga", "vgamem_mb", "8" }, 90 { "isa-cirrus-vga", "vgamem_mb", "8" }, 91 }; 92 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8); 93 94 GlobalProperty hw_compat_2_7[] = { 95 { "virtio-pci", "page-per-vq", "on" }, 96 { "virtio-serial-device", "emergency-write", "off" }, 97 { "ioapic", "version", "0x11" }, 98 { "intel-iommu", "x-buggy-eim", "true" }, 99 { "virtio-pci", "x-ignore-backend-features", "on" }, 100 }; 101 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7); 102 103 GlobalProperty hw_compat_2_6[] = { 104 { "virtio-mmio", "format_transport_address", "off" }, 105 /* Optional because not all virtio-pci devices support legacy mode */ 106 { "virtio-pci", "disable-modern", "on", .optional = true }, 107 { "virtio-pci", "disable-legacy", "off", .optional = true }, 108 }; 109 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6); 110 111 GlobalProperty hw_compat_2_5[] = { 112 { "isa-fdc", "fallback", "144" }, 113 { "pvscsi", "x-old-pci-configuration", "on" }, 114 { "pvscsi", "x-disable-pcie", "on" }, 115 { "vmxnet3", "x-old-msi-offsets", "on" }, 116 { "vmxnet3", "x-disable-pcie", "on" }, 117 }; 118 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5); 119 120 GlobalProperty hw_compat_2_4[] = { 121 { "virtio-blk-device", "scsi", "true" }, 122 { "e1000", "extra_mac_registers", "off" }, 123 { "virtio-pci", "x-disable-pcie", "on" }, 124 { "virtio-pci", "migrate-extra", "off" }, 125 { "fw_cfg_mem", "dma_enabled", "off" }, 126 { "fw_cfg_io", "dma_enabled", "off" } 127 }; 128 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4); 129 130 GlobalProperty hw_compat_2_3[] = { 131 { "virtio-blk-pci", "any_layout", "off" }, 132 { "virtio-balloon-pci", "any_layout", "off" }, 133 { "virtio-serial-pci", "any_layout", "off" }, 134 { "virtio-9p-pci", "any_layout", "off" }, 135 { "virtio-rng-pci", "any_layout", "off" }, 136 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" }, 137 { "migration", "send-configuration", "off" }, 138 { "migration", "send-section-footer", "off" }, 139 { "migration", "store-global-state", "off" }, 140 }; 141 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3); 142 143 GlobalProperty hw_compat_2_2[] = {}; 144 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2); 145 146 GlobalProperty hw_compat_2_1[] = { 147 { "intel-hda", "old_msi_addr", "on" }, 148 { "VGA", "qemu-extended-regs", "off" }, 149 { "secondary-vga", "qemu-extended-regs", "off" }, 150 { "virtio-scsi-pci", "any_layout", "off" }, 151 { "usb-mouse", "usb_version", "1" }, 152 { "usb-kbd", "usb_version", "1" }, 153 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" }, 154 }; 155 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1); 156 157 static char *machine_get_accel(Object *obj, Error **errp) 158 { 159 MachineState *ms = MACHINE(obj); 160 161 return g_strdup(ms->accel); 162 } 163 164 static void machine_set_accel(Object *obj, const char *value, Error **errp) 165 { 166 MachineState *ms = MACHINE(obj); 167 168 g_free(ms->accel); 169 ms->accel = g_strdup(value); 170 } 171 172 static void machine_set_kernel_irqchip(Object *obj, Visitor *v, 173 const char *name, void *opaque, 174 Error **errp) 175 { 176 Error *err = NULL; 177 MachineState *ms = MACHINE(obj); 178 OnOffSplit mode; 179 180 visit_type_OnOffSplit(v, name, &mode, &err); 181 if (err) { 182 error_propagate(errp, err); 183 return; 184 } else { 185 switch (mode) { 186 case ON_OFF_SPLIT_ON: 187 ms->kernel_irqchip_allowed = true; 188 ms->kernel_irqchip_required = true; 189 ms->kernel_irqchip_split = false; 190 break; 191 case ON_OFF_SPLIT_OFF: 192 ms->kernel_irqchip_allowed = false; 193 ms->kernel_irqchip_required = false; 194 ms->kernel_irqchip_split = false; 195 break; 196 case ON_OFF_SPLIT_SPLIT: 197 ms->kernel_irqchip_allowed = true; 198 ms->kernel_irqchip_required = true; 199 ms->kernel_irqchip_split = true; 200 break; 201 default: 202 /* The value was checked in visit_type_OnOffSplit() above. If 203 * we get here, then something is wrong in QEMU. 204 */ 205 abort(); 206 } 207 } 208 } 209 210 static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v, 211 const char *name, void *opaque, 212 Error **errp) 213 { 214 MachineState *ms = MACHINE(obj); 215 int64_t value = ms->kvm_shadow_mem; 216 217 visit_type_int(v, name, &value, errp); 218 } 219 220 static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v, 221 const char *name, void *opaque, 222 Error **errp) 223 { 224 MachineState *ms = MACHINE(obj); 225 Error *error = NULL; 226 int64_t value; 227 228 visit_type_int(v, name, &value, &error); 229 if (error) { 230 error_propagate(errp, error); 231 return; 232 } 233 234 ms->kvm_shadow_mem = value; 235 } 236 237 static char *machine_get_kernel(Object *obj, Error **errp) 238 { 239 MachineState *ms = MACHINE(obj); 240 241 return g_strdup(ms->kernel_filename); 242 } 243 244 static void machine_set_kernel(Object *obj, const char *value, Error **errp) 245 { 246 MachineState *ms = MACHINE(obj); 247 248 g_free(ms->kernel_filename); 249 ms->kernel_filename = g_strdup(value); 250 } 251 252 static char *machine_get_initrd(Object *obj, Error **errp) 253 { 254 MachineState *ms = MACHINE(obj); 255 256 return g_strdup(ms->initrd_filename); 257 } 258 259 static void machine_set_initrd(Object *obj, const char *value, Error **errp) 260 { 261 MachineState *ms = MACHINE(obj); 262 263 g_free(ms->initrd_filename); 264 ms->initrd_filename = g_strdup(value); 265 } 266 267 static char *machine_get_append(Object *obj, Error **errp) 268 { 269 MachineState *ms = MACHINE(obj); 270 271 return g_strdup(ms->kernel_cmdline); 272 } 273 274 static void machine_set_append(Object *obj, const char *value, Error **errp) 275 { 276 MachineState *ms = MACHINE(obj); 277 278 g_free(ms->kernel_cmdline); 279 ms->kernel_cmdline = g_strdup(value); 280 } 281 282 static char *machine_get_dtb(Object *obj, Error **errp) 283 { 284 MachineState *ms = MACHINE(obj); 285 286 return g_strdup(ms->dtb); 287 } 288 289 static void machine_set_dtb(Object *obj, const char *value, Error **errp) 290 { 291 MachineState *ms = MACHINE(obj); 292 293 g_free(ms->dtb); 294 ms->dtb = g_strdup(value); 295 } 296 297 static char *machine_get_dumpdtb(Object *obj, Error **errp) 298 { 299 MachineState *ms = MACHINE(obj); 300 301 return g_strdup(ms->dumpdtb); 302 } 303 304 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp) 305 { 306 MachineState *ms = MACHINE(obj); 307 308 g_free(ms->dumpdtb); 309 ms->dumpdtb = g_strdup(value); 310 } 311 312 static void machine_get_phandle_start(Object *obj, Visitor *v, 313 const char *name, void *opaque, 314 Error **errp) 315 { 316 MachineState *ms = MACHINE(obj); 317 int64_t value = ms->phandle_start; 318 319 visit_type_int(v, name, &value, errp); 320 } 321 322 static void machine_set_phandle_start(Object *obj, Visitor *v, 323 const char *name, void *opaque, 324 Error **errp) 325 { 326 MachineState *ms = MACHINE(obj); 327 Error *error = NULL; 328 int64_t value; 329 330 visit_type_int(v, name, &value, &error); 331 if (error) { 332 error_propagate(errp, error); 333 return; 334 } 335 336 ms->phandle_start = value; 337 } 338 339 static char *machine_get_dt_compatible(Object *obj, Error **errp) 340 { 341 MachineState *ms = MACHINE(obj); 342 343 return g_strdup(ms->dt_compatible); 344 } 345 346 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp) 347 { 348 MachineState *ms = MACHINE(obj); 349 350 g_free(ms->dt_compatible); 351 ms->dt_compatible = g_strdup(value); 352 } 353 354 static bool machine_get_dump_guest_core(Object *obj, Error **errp) 355 { 356 MachineState *ms = MACHINE(obj); 357 358 return ms->dump_guest_core; 359 } 360 361 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp) 362 { 363 MachineState *ms = MACHINE(obj); 364 365 ms->dump_guest_core = value; 366 } 367 368 static bool machine_get_mem_merge(Object *obj, Error **errp) 369 { 370 MachineState *ms = MACHINE(obj); 371 372 return ms->mem_merge; 373 } 374 375 static void machine_set_mem_merge(Object *obj, bool value, Error **errp) 376 { 377 MachineState *ms = MACHINE(obj); 378 379 ms->mem_merge = value; 380 } 381 382 static bool machine_get_usb(Object *obj, Error **errp) 383 { 384 MachineState *ms = MACHINE(obj); 385 386 return ms->usb; 387 } 388 389 static void machine_set_usb(Object *obj, bool value, Error **errp) 390 { 391 MachineState *ms = MACHINE(obj); 392 393 ms->usb = value; 394 ms->usb_disabled = !value; 395 } 396 397 static bool machine_get_graphics(Object *obj, Error **errp) 398 { 399 MachineState *ms = MACHINE(obj); 400 401 return ms->enable_graphics; 402 } 403 404 static void machine_set_graphics(Object *obj, bool value, Error **errp) 405 { 406 MachineState *ms = MACHINE(obj); 407 408 ms->enable_graphics = value; 409 } 410 411 static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp) 412 { 413 MachineState *ms = MACHINE(obj); 414 415 return ms->igd_gfx_passthru; 416 } 417 418 static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp) 419 { 420 MachineState *ms = MACHINE(obj); 421 422 ms->igd_gfx_passthru = value; 423 } 424 425 static char *machine_get_firmware(Object *obj, Error **errp) 426 { 427 MachineState *ms = MACHINE(obj); 428 429 return g_strdup(ms->firmware); 430 } 431 432 static void machine_set_firmware(Object *obj, const char *value, Error **errp) 433 { 434 MachineState *ms = MACHINE(obj); 435 436 g_free(ms->firmware); 437 ms->firmware = g_strdup(value); 438 } 439 440 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp) 441 { 442 MachineState *ms = MACHINE(obj); 443 444 ms->suppress_vmdesc = value; 445 } 446 447 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp) 448 { 449 MachineState *ms = MACHINE(obj); 450 451 return ms->suppress_vmdesc; 452 } 453 454 static void machine_set_enforce_config_section(Object *obj, bool value, 455 Error **errp) 456 { 457 MachineState *ms = MACHINE(obj); 458 459 warn_report("enforce-config-section is deprecated, please use " 460 "-global migration.send-configuration=on|off instead"); 461 462 ms->enforce_config_section = value; 463 } 464 465 static bool machine_get_enforce_config_section(Object *obj, Error **errp) 466 { 467 MachineState *ms = MACHINE(obj); 468 469 return ms->enforce_config_section; 470 } 471 472 static char *machine_get_memory_encryption(Object *obj, Error **errp) 473 { 474 MachineState *ms = MACHINE(obj); 475 476 return g_strdup(ms->memory_encryption); 477 } 478 479 static void machine_set_memory_encryption(Object *obj, const char *value, 480 Error **errp) 481 { 482 MachineState *ms = MACHINE(obj); 483 484 g_free(ms->memory_encryption); 485 ms->memory_encryption = g_strdup(value); 486 } 487 488 static bool machine_get_nvdimm(Object *obj, Error **errp) 489 { 490 MachineState *ms = MACHINE(obj); 491 492 return ms->nvdimms_state->is_enabled; 493 } 494 495 static void machine_set_nvdimm(Object *obj, bool value, Error **errp) 496 { 497 MachineState *ms = MACHINE(obj); 498 499 ms->nvdimms_state->is_enabled = value; 500 } 501 502 static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) 503 { 504 MachineState *ms = MACHINE(obj); 505 506 return g_strdup(ms->nvdimms_state->persistence_string); 507 } 508 509 static void machine_set_nvdimm_persistence(Object *obj, const char *value, 510 Error **errp) 511 { 512 MachineState *ms = MACHINE(obj); 513 NVDIMMState *nvdimms_state = ms->nvdimms_state; 514 515 if (strcmp(value, "cpu") == 0) { 516 nvdimms_state->persistence = 3; 517 } else if (strcmp(value, "mem-ctrl") == 0) { 518 nvdimms_state->persistence = 2; 519 } else { 520 error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", 521 value); 522 return; 523 } 524 525 g_free(nvdimms_state->persistence_string); 526 nvdimms_state->persistence_string = g_strdup(value); 527 } 528 529 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) 530 { 531 strList *item = g_new0(strList, 1); 532 533 item->value = g_strdup(type); 534 item->next = mc->allowed_dynamic_sysbus_devices; 535 mc->allowed_dynamic_sysbus_devices = item; 536 } 537 538 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque) 539 { 540 MachineState *machine = opaque; 541 MachineClass *mc = MACHINE_GET_CLASS(machine); 542 bool allowed = false; 543 strList *wl; 544 545 for (wl = mc->allowed_dynamic_sysbus_devices; 546 !allowed && wl; 547 wl = wl->next) { 548 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value); 549 } 550 551 if (!allowed) { 552 error_report("Option '-device %s' cannot be handled by this machine", 553 object_class_get_name(object_get_class(OBJECT(sbdev)))); 554 exit(1); 555 } 556 } 557 558 static void machine_init_notify(Notifier *notifier, void *data) 559 { 560 MachineState *machine = MACHINE(qdev_get_machine()); 561 562 /* 563 * Loop through all dynamically created sysbus devices and check if they are 564 * all allowed. If a device is not allowed, error out. 565 */ 566 foreach_dynamic_sysbus_device(validate_sysbus_device, machine); 567 } 568 569 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine) 570 { 571 int i; 572 HotpluggableCPUList *head = NULL; 573 MachineClass *mc = MACHINE_GET_CLASS(machine); 574 575 /* force board to initialize possible_cpus if it hasn't been done yet */ 576 mc->possible_cpu_arch_ids(machine); 577 578 for (i = 0; i < machine->possible_cpus->len; i++) { 579 Object *cpu; 580 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1); 581 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1); 582 583 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type); 584 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count; 585 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props, 586 sizeof(*cpu_item->props)); 587 588 cpu = machine->possible_cpus->cpus[i].cpu; 589 if (cpu) { 590 cpu_item->has_qom_path = true; 591 cpu_item->qom_path = object_get_canonical_path(cpu); 592 } 593 list_item->value = cpu_item; 594 list_item->next = head; 595 head = list_item; 596 } 597 return head; 598 } 599 600 /** 601 * machine_set_cpu_numa_node: 602 * @machine: machine object to modify 603 * @props: specifies which cpu objects to assign to 604 * numa node specified by @props.node_id 605 * @errp: if an error occurs, a pointer to an area to store the error 606 * 607 * Associate NUMA node specified by @props.node_id with cpu slots that 608 * match socket/core/thread-ids specified by @props. It's recommended to use 609 * query-hotpluggable-cpus.props values to specify affected cpu slots, 610 * which would lead to exact 1:1 mapping of cpu slots to NUMA node. 611 * 612 * However for CLI convenience it's possible to pass in subset of properties, 613 * which would affect all cpu slots that match it. 614 * Ex for pc machine: 615 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \ 616 * -numa cpu,node-id=0,socket_id=0 \ 617 * -numa cpu,node-id=1,socket_id=1 618 * will assign all child cores of socket 0 to node 0 and 619 * of socket 1 to node 1. 620 * 621 * On attempt of reassigning (already assigned) cpu slot to another NUMA node, 622 * return error. 623 * Empty subset is disallowed and function will return with error in this case. 624 */ 625 void machine_set_cpu_numa_node(MachineState *machine, 626 const CpuInstanceProperties *props, Error **errp) 627 { 628 MachineClass *mc = MACHINE_GET_CLASS(machine); 629 bool match = false; 630 int i; 631 632 if (!mc->possible_cpu_arch_ids) { 633 error_setg(errp, "mapping of CPUs to NUMA node is not supported"); 634 return; 635 } 636 637 /* disabling node mapping is not supported, forbid it */ 638 assert(props->has_node_id); 639 640 /* force board to initialize possible_cpus if it hasn't been done yet */ 641 mc->possible_cpu_arch_ids(machine); 642 643 for (i = 0; i < machine->possible_cpus->len; i++) { 644 CPUArchId *slot = &machine->possible_cpus->cpus[i]; 645 646 /* reject unsupported by board properties */ 647 if (props->has_thread_id && !slot->props.has_thread_id) { 648 error_setg(errp, "thread-id is not supported"); 649 return; 650 } 651 652 if (props->has_core_id && !slot->props.has_core_id) { 653 error_setg(errp, "core-id is not supported"); 654 return; 655 } 656 657 if (props->has_socket_id && !slot->props.has_socket_id) { 658 error_setg(errp, "socket-id is not supported"); 659 return; 660 } 661 662 /* skip slots with explicit mismatch */ 663 if (props->has_thread_id && props->thread_id != slot->props.thread_id) { 664 continue; 665 } 666 667 if (props->has_core_id && props->core_id != slot->props.core_id) { 668 continue; 669 } 670 671 if (props->has_socket_id && props->socket_id != slot->props.socket_id) { 672 continue; 673 } 674 675 /* reject assignment if slot is already assigned, for compatibility 676 * of legacy cpu_index mapping with SPAPR core based mapping do not 677 * error out if cpu thread and matched core have the same node-id */ 678 if (slot->props.has_node_id && 679 slot->props.node_id != props->node_id) { 680 error_setg(errp, "CPU is already assigned to node-id: %" PRId64, 681 slot->props.node_id); 682 return; 683 } 684 685 /* assign slot to node as it's matched '-numa cpu' key */ 686 match = true; 687 slot->props.node_id = props->node_id; 688 slot->props.has_node_id = props->has_node_id; 689 } 690 691 if (!match) { 692 error_setg(errp, "no match found"); 693 } 694 } 695 696 static void machine_class_init(ObjectClass *oc, void *data) 697 { 698 MachineClass *mc = MACHINE_CLASS(oc); 699 700 /* Default 128 MB as guest ram size */ 701 mc->default_ram_size = 128 * MiB; 702 mc->rom_file_has_mr = true; 703 704 /* numa node memory size aligned on 8MB by default. 705 * On Linux, each node's border has to be 8MB aligned 706 */ 707 mc->numa_mem_align_shift = 23; 708 mc->numa_auto_assign_ram = numa_default_auto_assign_ram; 709 710 object_class_property_add_str(oc, "accel", 711 machine_get_accel, machine_set_accel, &error_abort); 712 object_class_property_set_description(oc, "accel", 713 "Accelerator list", &error_abort); 714 715 object_class_property_add(oc, "kernel-irqchip", "on|off|split", 716 NULL, machine_set_kernel_irqchip, 717 NULL, NULL, &error_abort); 718 object_class_property_set_description(oc, "kernel-irqchip", 719 "Configure KVM in-kernel irqchip", &error_abort); 720 721 object_class_property_add(oc, "kvm-shadow-mem", "int", 722 machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem, 723 NULL, NULL, &error_abort); 724 object_class_property_set_description(oc, "kvm-shadow-mem", 725 "KVM shadow MMU size", &error_abort); 726 727 object_class_property_add_str(oc, "kernel", 728 machine_get_kernel, machine_set_kernel, &error_abort); 729 object_class_property_set_description(oc, "kernel", 730 "Linux kernel image file", &error_abort); 731 732 object_class_property_add_str(oc, "initrd", 733 machine_get_initrd, machine_set_initrd, &error_abort); 734 object_class_property_set_description(oc, "initrd", 735 "Linux initial ramdisk file", &error_abort); 736 737 object_class_property_add_str(oc, "append", 738 machine_get_append, machine_set_append, &error_abort); 739 object_class_property_set_description(oc, "append", 740 "Linux kernel command line", &error_abort); 741 742 object_class_property_add_str(oc, "dtb", 743 machine_get_dtb, machine_set_dtb, &error_abort); 744 object_class_property_set_description(oc, "dtb", 745 "Linux kernel device tree file", &error_abort); 746 747 object_class_property_add_str(oc, "dumpdtb", 748 machine_get_dumpdtb, machine_set_dumpdtb, &error_abort); 749 object_class_property_set_description(oc, "dumpdtb", 750 "Dump current dtb to a file and quit", &error_abort); 751 752 object_class_property_add(oc, "phandle-start", "int", 753 machine_get_phandle_start, machine_set_phandle_start, 754 NULL, NULL, &error_abort); 755 object_class_property_set_description(oc, "phandle-start", 756 "The first phandle ID we may generate dynamically", &error_abort); 757 758 object_class_property_add_str(oc, "dt-compatible", 759 machine_get_dt_compatible, machine_set_dt_compatible, &error_abort); 760 object_class_property_set_description(oc, "dt-compatible", 761 "Overrides the \"compatible\" property of the dt root node", 762 &error_abort); 763 764 object_class_property_add_bool(oc, "dump-guest-core", 765 machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort); 766 object_class_property_set_description(oc, "dump-guest-core", 767 "Include guest memory in a core dump", &error_abort); 768 769 object_class_property_add_bool(oc, "mem-merge", 770 machine_get_mem_merge, machine_set_mem_merge, &error_abort); 771 object_class_property_set_description(oc, "mem-merge", 772 "Enable/disable memory merge support", &error_abort); 773 774 object_class_property_add_bool(oc, "usb", 775 machine_get_usb, machine_set_usb, &error_abort); 776 object_class_property_set_description(oc, "usb", 777 "Set on/off to enable/disable usb", &error_abort); 778 779 object_class_property_add_bool(oc, "graphics", 780 machine_get_graphics, machine_set_graphics, &error_abort); 781 object_class_property_set_description(oc, "graphics", 782 "Set on/off to enable/disable graphics emulation", &error_abort); 783 784 object_class_property_add_bool(oc, "igd-passthru", 785 machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru, 786 &error_abort); 787 object_class_property_set_description(oc, "igd-passthru", 788 "Set on/off to enable/disable igd passthrou", &error_abort); 789 790 object_class_property_add_str(oc, "firmware", 791 machine_get_firmware, machine_set_firmware, 792 &error_abort); 793 object_class_property_set_description(oc, "firmware", 794 "Firmware image", &error_abort); 795 796 object_class_property_add_bool(oc, "suppress-vmdesc", 797 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc, 798 &error_abort); 799 object_class_property_set_description(oc, "suppress-vmdesc", 800 "Set on to disable self-describing migration", &error_abort); 801 802 object_class_property_add_bool(oc, "enforce-config-section", 803 machine_get_enforce_config_section, machine_set_enforce_config_section, 804 &error_abort); 805 object_class_property_set_description(oc, "enforce-config-section", 806 "Set on to enforce configuration section migration", &error_abort); 807 808 object_class_property_add_str(oc, "memory-encryption", 809 machine_get_memory_encryption, machine_set_memory_encryption, 810 &error_abort); 811 object_class_property_set_description(oc, "memory-encryption", 812 "Set memory encryption object to use", &error_abort); 813 } 814 815 static void machine_class_base_init(ObjectClass *oc, void *data) 816 { 817 if (!object_class_is_abstract(oc)) { 818 MachineClass *mc = MACHINE_CLASS(oc); 819 const char *cname = object_class_get_name(oc); 820 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX)); 821 mc->name = g_strndup(cname, 822 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX)); 823 mc->compat_props = g_ptr_array_new(); 824 } 825 } 826 827 static void machine_initfn(Object *obj) 828 { 829 MachineState *ms = MACHINE(obj); 830 MachineClass *mc = MACHINE_GET_CLASS(obj); 831 832 ms->kernel_irqchip_allowed = true; 833 ms->kernel_irqchip_split = mc->default_kernel_irqchip_split; 834 ms->kvm_shadow_mem = -1; 835 ms->dump_guest_core = true; 836 ms->mem_merge = true; 837 ms->enable_graphics = true; 838 839 if (mc->nvdimm_supported) { 840 Object *obj = OBJECT(ms); 841 842 ms->nvdimms_state = g_new0(NVDIMMState, 1); 843 object_property_add_bool(obj, "nvdimm", 844 machine_get_nvdimm, machine_set_nvdimm, 845 &error_abort); 846 object_property_set_description(obj, "nvdimm", 847 "Set on/off to enable/disable " 848 "NVDIMM instantiation", NULL); 849 850 object_property_add_str(obj, "nvdimm-persistence", 851 machine_get_nvdimm_persistence, 852 machine_set_nvdimm_persistence, 853 &error_abort); 854 object_property_set_description(obj, "nvdimm-persistence", 855 "Set NVDIMM persistence" 856 "Valid values are cpu, mem-ctrl", 857 NULL); 858 } 859 860 861 /* Register notifier when init is done for sysbus sanity checks */ 862 ms->sysbus_notifier.notify = machine_init_notify; 863 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); 864 } 865 866 static void machine_finalize(Object *obj) 867 { 868 MachineState *ms = MACHINE(obj); 869 870 g_free(ms->accel); 871 g_free(ms->kernel_filename); 872 g_free(ms->initrd_filename); 873 g_free(ms->kernel_cmdline); 874 g_free(ms->dtb); 875 g_free(ms->dumpdtb); 876 g_free(ms->dt_compatible); 877 g_free(ms->firmware); 878 g_free(ms->device_memory); 879 g_free(ms->nvdimms_state); 880 } 881 882 bool machine_usb(MachineState *machine) 883 { 884 return machine->usb; 885 } 886 887 bool machine_kernel_irqchip_allowed(MachineState *machine) 888 { 889 return machine->kernel_irqchip_allowed; 890 } 891 892 bool machine_kernel_irqchip_required(MachineState *machine) 893 { 894 return machine->kernel_irqchip_required; 895 } 896 897 bool machine_kernel_irqchip_split(MachineState *machine) 898 { 899 return machine->kernel_irqchip_split; 900 } 901 902 int machine_kvm_shadow_mem(MachineState *machine) 903 { 904 return machine->kvm_shadow_mem; 905 } 906 907 int machine_phandle_start(MachineState *machine) 908 { 909 return machine->phandle_start; 910 } 911 912 bool machine_dump_guest_core(MachineState *machine) 913 { 914 return machine->dump_guest_core; 915 } 916 917 bool machine_mem_merge(MachineState *machine) 918 { 919 return machine->mem_merge; 920 } 921 922 static char *cpu_slot_to_string(const CPUArchId *cpu) 923 { 924 GString *s = g_string_new(NULL); 925 if (cpu->props.has_socket_id) { 926 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id); 927 } 928 if (cpu->props.has_core_id) { 929 if (s->len) { 930 g_string_append_printf(s, ", "); 931 } 932 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id); 933 } 934 if (cpu->props.has_thread_id) { 935 if (s->len) { 936 g_string_append_printf(s, ", "); 937 } 938 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id); 939 } 940 return g_string_free(s, false); 941 } 942 943 static void machine_numa_finish_cpu_init(MachineState *machine) 944 { 945 int i; 946 bool default_mapping; 947 GString *s = g_string_new(NULL); 948 MachineClass *mc = MACHINE_GET_CLASS(machine); 949 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine); 950 951 assert(nb_numa_nodes); 952 for (i = 0; i < possible_cpus->len; i++) { 953 if (possible_cpus->cpus[i].props.has_node_id) { 954 break; 955 } 956 } 957 default_mapping = (i == possible_cpus->len); 958 959 for (i = 0; i < possible_cpus->len; i++) { 960 const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; 961 962 if (!cpu_slot->props.has_node_id) { 963 /* fetch default mapping from board and enable it */ 964 CpuInstanceProperties props = cpu_slot->props; 965 966 props.node_id = mc->get_default_cpu_node_id(machine, i); 967 if (!default_mapping) { 968 /* record slots with not set mapping, 969 * TODO: make it hard error in future */ 970 char *cpu_str = cpu_slot_to_string(cpu_slot); 971 g_string_append_printf(s, "%sCPU %d [%s]", 972 s->len ? ", " : "", i, cpu_str); 973 g_free(cpu_str); 974 975 /* non mapped cpus used to fallback to node 0 */ 976 props.node_id = 0; 977 } 978 979 props.has_node_id = true; 980 machine_set_cpu_numa_node(machine, &props, &error_fatal); 981 } 982 } 983 if (s->len && !qtest_enabled()) { 984 warn_report("CPU(s) not present in any NUMA nodes: %s", 985 s->str); 986 warn_report("All CPU(s) up to maxcpus should be described " 987 "in NUMA config, ability to start up with partial NUMA " 988 "mappings is obsoleted and will be removed in future"); 989 } 990 g_string_free(s, true); 991 } 992 993 void machine_run_board_init(MachineState *machine) 994 { 995 MachineClass *machine_class = MACHINE_GET_CLASS(machine); 996 997 numa_complete_configuration(machine); 998 if (nb_numa_nodes) { 999 machine_numa_finish_cpu_init(machine); 1000 } 1001 1002 /* If the machine supports the valid_cpu_types check and the user 1003 * specified a CPU with -cpu check here that the user CPU is supported. 1004 */ 1005 if (machine_class->valid_cpu_types && machine->cpu_type) { 1006 ObjectClass *class = object_class_by_name(machine->cpu_type); 1007 int i; 1008 1009 for (i = 0; machine_class->valid_cpu_types[i]; i++) { 1010 if (object_class_dynamic_cast(class, 1011 machine_class->valid_cpu_types[i])) { 1012 /* The user specificed CPU is in the valid field, we are 1013 * good to go. 1014 */ 1015 break; 1016 } 1017 } 1018 1019 if (!machine_class->valid_cpu_types[i]) { 1020 /* The user specified CPU is not valid */ 1021 error_report("Invalid CPU type: %s", machine->cpu_type); 1022 error_printf("The valid types are: %s", 1023 machine_class->valid_cpu_types[0]); 1024 for (i = 1; machine_class->valid_cpu_types[i]; i++) { 1025 error_printf(", %s", machine_class->valid_cpu_types[i]); 1026 } 1027 error_printf("\n"); 1028 1029 exit(1); 1030 } 1031 } 1032 1033 machine_class->init(machine); 1034 } 1035 1036 static const TypeInfo machine_info = { 1037 .name = TYPE_MACHINE, 1038 .parent = TYPE_OBJECT, 1039 .abstract = true, 1040 .class_size = sizeof(MachineClass), 1041 .class_init = machine_class_init, 1042 .class_base_init = machine_class_base_init, 1043 .instance_size = sizeof(MachineState), 1044 .instance_init = machine_initfn, 1045 .instance_finalize = machine_finalize, 1046 }; 1047 1048 static void machine_register_types(void) 1049 { 1050 type_register_static(&machine_info); 1051 } 1052 1053 type_init(machine_register_types) 1054