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 { "VGA", "edid", "false" }, 29 { "secondary-vga", "edid", "false" }, 30 { "bochs-display", "edid", "false" }, 31 { "virtio-vga", "edid", "false" }, 32 { "virtio-gpu-pci", "edid", "false" }, 33 }; 34 const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0); 35 36 GlobalProperty hw_compat_3_1[] = { 37 { "pcie-root-port", "x-speed", "2_5" }, 38 { "pcie-root-port", "x-width", "1" }, 39 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" }, 40 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" }, 41 { "tpm-crb", "ppi", "false" }, 42 { "tpm-tis", "ppi", "false" }, 43 { "usb-kbd", "serial", "42" }, 44 { "usb-mouse", "serial", "42" }, 45 { "usb-tablet", "serial", "42" }, 46 { "virtio-blk-device", "discard", "false" }, 47 { "virtio-blk-device", "write-zeroes", "false" }, 48 }; 49 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); 50 51 GlobalProperty hw_compat_3_0[] = {}; 52 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0); 53 54 GlobalProperty hw_compat_2_12[] = { 55 { "migration", "decompress-error-check", "off" }, 56 { "hda-audio", "use-timer", "false" }, 57 { "cirrus-vga", "global-vmstate", "true" }, 58 { "VGA", "global-vmstate", "true" }, 59 { "vmware-svga", "global-vmstate", "true" }, 60 { "qxl-vga", "global-vmstate", "true" }, 61 }; 62 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12); 63 64 GlobalProperty hw_compat_2_11[] = { 65 { "hpet", "hpet-offset-saved", "false" }, 66 { "virtio-blk-pci", "vectors", "2" }, 67 { "vhost-user-blk-pci", "vectors", "2" }, 68 { "e1000", "migrate_tso_props", "off" }, 69 }; 70 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11); 71 72 GlobalProperty hw_compat_2_10[] = { 73 { "virtio-mouse-device", "wheel-axis", "false" }, 74 { "virtio-tablet-device", "wheel-axis", "false" }, 75 }; 76 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10); 77 78 GlobalProperty hw_compat_2_9[] = { 79 { "pci-bridge", "shpc", "off" }, 80 { "intel-iommu", "pt", "off" }, 81 { "virtio-net-device", "x-mtu-bypass-backend", "off" }, 82 { "pcie-root-port", "x-migrate-msix", "false" }, 83 }; 84 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9); 85 86 GlobalProperty hw_compat_2_8[] = { 87 { "fw_cfg_mem", "x-file-slots", "0x10" }, 88 { "fw_cfg_io", "x-file-slots", "0x10" }, 89 { "pflash_cfi01", "old-multiple-chip-handling", "on" }, 90 { "pci-bridge", "shpc", "on" }, 91 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" }, 92 { "virtio-pci", "x-pcie-deverr-init", "off" }, 93 { "virtio-pci", "x-pcie-lnkctl-init", "off" }, 94 { "virtio-pci", "x-pcie-pm-init", "off" }, 95 { "cirrus-vga", "vgamem_mb", "8" }, 96 { "isa-cirrus-vga", "vgamem_mb", "8" }, 97 }; 98 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8); 99 100 GlobalProperty hw_compat_2_7[] = { 101 { "virtio-pci", "page-per-vq", "on" }, 102 { "virtio-serial-device", "emergency-write", "off" }, 103 { "ioapic", "version", "0x11" }, 104 { "intel-iommu", "x-buggy-eim", "true" }, 105 { "virtio-pci", "x-ignore-backend-features", "on" }, 106 }; 107 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7); 108 109 GlobalProperty hw_compat_2_6[] = { 110 { "virtio-mmio", "format_transport_address", "off" }, 111 /* 112 * don't include devices which are modern-only 113 * ie keyboard, mouse, tablet, gpu, vga & crypto 114 */ 115 { "virtio-9p-pci", "disable-modern", "on" }, 116 { "virtio-9p-pci", "disable-legacy", "off" }, 117 { "virtio-balloon-pci", "disable-modern", "on" }, 118 { "virtio-balloon-pci", "disable-legacy", "off" }, 119 { "virtio-blk-pci", "disable-modern", "on" }, 120 { "virtio-blk-pci", "disable-legacy", "off" }, 121 { "virtio-input-host-pci", "disable-modern", "on" }, 122 { "virtio-input-host-pci", "disable-legacy", "off" }, 123 { "virtio-net-pci", "disable-modern", "on" }, 124 { "virtio-net-pci", "disable-legacy", "off" }, 125 { "virtio-rng-pci", "disable-modern", "on" }, 126 { "virtio-rng-pci", "disable-legacy", "off" }, 127 { "virtio-scsi-pci", "disable-modern", "on" }, 128 { "virtio-scsi-pci", "disable-legacy", "off" }, 129 { "virtio-serial-pci", "disable-modern", "on" }, 130 { "virtio-serial-pci", "disable-legacy", "off" }, 131 }; 132 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6); 133 134 GlobalProperty hw_compat_2_5[] = { 135 { "isa-fdc", "fallback", "144" }, 136 { "pvscsi", "x-old-pci-configuration", "on" }, 137 { "pvscsi", "x-disable-pcie", "on" }, 138 { "vmxnet3", "x-old-msi-offsets", "on" }, 139 { "vmxnet3", "x-disable-pcie", "on" }, 140 }; 141 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5); 142 143 GlobalProperty hw_compat_2_4[] = { 144 { "virtio-blk-device", "scsi", "true" }, 145 { "e1000", "extra_mac_registers", "off" }, 146 { "virtio-pci", "x-disable-pcie", "on" }, 147 { "virtio-pci", "migrate-extra", "off" }, 148 { "fw_cfg_mem", "dma_enabled", "off" }, 149 { "fw_cfg_io", "dma_enabled", "off" } 150 }; 151 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4); 152 153 GlobalProperty hw_compat_2_3[] = { 154 { "virtio-blk-pci", "any_layout", "off" }, 155 { "virtio-balloon-pci", "any_layout", "off" }, 156 { "virtio-serial-pci", "any_layout", "off" }, 157 { "virtio-9p-pci", "any_layout", "off" }, 158 { "virtio-rng-pci", "any_layout", "off" }, 159 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" }, 160 { "migration", "send-configuration", "off" }, 161 { "migration", "send-section-footer", "off" }, 162 { "migration", "store-global-state", "off" }, 163 }; 164 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3); 165 166 GlobalProperty hw_compat_2_2[] = {}; 167 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2); 168 169 GlobalProperty hw_compat_2_1[] = { 170 { "intel-hda", "old_msi_addr", "on" }, 171 { "VGA", "qemu-extended-regs", "off" }, 172 { "secondary-vga", "qemu-extended-regs", "off" }, 173 { "virtio-scsi-pci", "any_layout", "off" }, 174 { "usb-mouse", "usb_version", "1" }, 175 { "usb-kbd", "usb_version", "1" }, 176 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" }, 177 }; 178 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1); 179 180 static char *machine_get_accel(Object *obj, Error **errp) 181 { 182 MachineState *ms = MACHINE(obj); 183 184 return g_strdup(ms->accel); 185 } 186 187 static void machine_set_accel(Object *obj, const char *value, Error **errp) 188 { 189 MachineState *ms = MACHINE(obj); 190 191 g_free(ms->accel); 192 ms->accel = g_strdup(value); 193 } 194 195 static void machine_set_kernel_irqchip(Object *obj, Visitor *v, 196 const char *name, void *opaque, 197 Error **errp) 198 { 199 Error *err = NULL; 200 MachineState *ms = MACHINE(obj); 201 OnOffSplit mode; 202 203 visit_type_OnOffSplit(v, name, &mode, &err); 204 if (err) { 205 error_propagate(errp, err); 206 return; 207 } else { 208 switch (mode) { 209 case ON_OFF_SPLIT_ON: 210 ms->kernel_irqchip_allowed = true; 211 ms->kernel_irqchip_required = true; 212 ms->kernel_irqchip_split = false; 213 break; 214 case ON_OFF_SPLIT_OFF: 215 ms->kernel_irqchip_allowed = false; 216 ms->kernel_irqchip_required = false; 217 ms->kernel_irqchip_split = false; 218 break; 219 case ON_OFF_SPLIT_SPLIT: 220 ms->kernel_irqchip_allowed = true; 221 ms->kernel_irqchip_required = true; 222 ms->kernel_irqchip_split = true; 223 break; 224 default: 225 /* The value was checked in visit_type_OnOffSplit() above. If 226 * we get here, then something is wrong in QEMU. 227 */ 228 abort(); 229 } 230 } 231 } 232 233 static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v, 234 const char *name, void *opaque, 235 Error **errp) 236 { 237 MachineState *ms = MACHINE(obj); 238 int64_t value = ms->kvm_shadow_mem; 239 240 visit_type_int(v, name, &value, errp); 241 } 242 243 static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v, 244 const char *name, void *opaque, 245 Error **errp) 246 { 247 MachineState *ms = MACHINE(obj); 248 Error *error = NULL; 249 int64_t value; 250 251 visit_type_int(v, name, &value, &error); 252 if (error) { 253 error_propagate(errp, error); 254 return; 255 } 256 257 ms->kvm_shadow_mem = value; 258 } 259 260 static char *machine_get_kernel(Object *obj, Error **errp) 261 { 262 MachineState *ms = MACHINE(obj); 263 264 return g_strdup(ms->kernel_filename); 265 } 266 267 static void machine_set_kernel(Object *obj, const char *value, Error **errp) 268 { 269 MachineState *ms = MACHINE(obj); 270 271 g_free(ms->kernel_filename); 272 ms->kernel_filename = g_strdup(value); 273 } 274 275 static char *machine_get_initrd(Object *obj, Error **errp) 276 { 277 MachineState *ms = MACHINE(obj); 278 279 return g_strdup(ms->initrd_filename); 280 } 281 282 static void machine_set_initrd(Object *obj, const char *value, Error **errp) 283 { 284 MachineState *ms = MACHINE(obj); 285 286 g_free(ms->initrd_filename); 287 ms->initrd_filename = g_strdup(value); 288 } 289 290 static char *machine_get_append(Object *obj, Error **errp) 291 { 292 MachineState *ms = MACHINE(obj); 293 294 return g_strdup(ms->kernel_cmdline); 295 } 296 297 static void machine_set_append(Object *obj, const char *value, Error **errp) 298 { 299 MachineState *ms = MACHINE(obj); 300 301 g_free(ms->kernel_cmdline); 302 ms->kernel_cmdline = g_strdup(value); 303 } 304 305 static char *machine_get_dtb(Object *obj, Error **errp) 306 { 307 MachineState *ms = MACHINE(obj); 308 309 return g_strdup(ms->dtb); 310 } 311 312 static void machine_set_dtb(Object *obj, const char *value, Error **errp) 313 { 314 MachineState *ms = MACHINE(obj); 315 316 g_free(ms->dtb); 317 ms->dtb = g_strdup(value); 318 } 319 320 static char *machine_get_dumpdtb(Object *obj, Error **errp) 321 { 322 MachineState *ms = MACHINE(obj); 323 324 return g_strdup(ms->dumpdtb); 325 } 326 327 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp) 328 { 329 MachineState *ms = MACHINE(obj); 330 331 g_free(ms->dumpdtb); 332 ms->dumpdtb = g_strdup(value); 333 } 334 335 static void machine_get_phandle_start(Object *obj, Visitor *v, 336 const char *name, void *opaque, 337 Error **errp) 338 { 339 MachineState *ms = MACHINE(obj); 340 int64_t value = ms->phandle_start; 341 342 visit_type_int(v, name, &value, errp); 343 } 344 345 static void machine_set_phandle_start(Object *obj, Visitor *v, 346 const char *name, void *opaque, 347 Error **errp) 348 { 349 MachineState *ms = MACHINE(obj); 350 Error *error = NULL; 351 int64_t value; 352 353 visit_type_int(v, name, &value, &error); 354 if (error) { 355 error_propagate(errp, error); 356 return; 357 } 358 359 ms->phandle_start = value; 360 } 361 362 static char *machine_get_dt_compatible(Object *obj, Error **errp) 363 { 364 MachineState *ms = MACHINE(obj); 365 366 return g_strdup(ms->dt_compatible); 367 } 368 369 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp) 370 { 371 MachineState *ms = MACHINE(obj); 372 373 g_free(ms->dt_compatible); 374 ms->dt_compatible = g_strdup(value); 375 } 376 377 static bool machine_get_dump_guest_core(Object *obj, Error **errp) 378 { 379 MachineState *ms = MACHINE(obj); 380 381 return ms->dump_guest_core; 382 } 383 384 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp) 385 { 386 MachineState *ms = MACHINE(obj); 387 388 ms->dump_guest_core = value; 389 } 390 391 static bool machine_get_mem_merge(Object *obj, Error **errp) 392 { 393 MachineState *ms = MACHINE(obj); 394 395 return ms->mem_merge; 396 } 397 398 static void machine_set_mem_merge(Object *obj, bool value, Error **errp) 399 { 400 MachineState *ms = MACHINE(obj); 401 402 ms->mem_merge = value; 403 } 404 405 static bool machine_get_usb(Object *obj, Error **errp) 406 { 407 MachineState *ms = MACHINE(obj); 408 409 return ms->usb; 410 } 411 412 static void machine_set_usb(Object *obj, bool value, Error **errp) 413 { 414 MachineState *ms = MACHINE(obj); 415 416 ms->usb = value; 417 ms->usb_disabled = !value; 418 } 419 420 static bool machine_get_graphics(Object *obj, Error **errp) 421 { 422 MachineState *ms = MACHINE(obj); 423 424 return ms->enable_graphics; 425 } 426 427 static void machine_set_graphics(Object *obj, bool value, Error **errp) 428 { 429 MachineState *ms = MACHINE(obj); 430 431 ms->enable_graphics = value; 432 } 433 434 static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp) 435 { 436 MachineState *ms = MACHINE(obj); 437 438 return ms->igd_gfx_passthru; 439 } 440 441 static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp) 442 { 443 MachineState *ms = MACHINE(obj); 444 445 ms->igd_gfx_passthru = value; 446 } 447 448 static char *machine_get_firmware(Object *obj, Error **errp) 449 { 450 MachineState *ms = MACHINE(obj); 451 452 return g_strdup(ms->firmware); 453 } 454 455 static void machine_set_firmware(Object *obj, const char *value, Error **errp) 456 { 457 MachineState *ms = MACHINE(obj); 458 459 g_free(ms->firmware); 460 ms->firmware = g_strdup(value); 461 } 462 463 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp) 464 { 465 MachineState *ms = MACHINE(obj); 466 467 ms->suppress_vmdesc = value; 468 } 469 470 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp) 471 { 472 MachineState *ms = MACHINE(obj); 473 474 return ms->suppress_vmdesc; 475 } 476 477 static void machine_set_enforce_config_section(Object *obj, bool value, 478 Error **errp) 479 { 480 MachineState *ms = MACHINE(obj); 481 482 warn_report("enforce-config-section is deprecated, please use " 483 "-global migration.send-configuration=on|off instead"); 484 485 ms->enforce_config_section = value; 486 } 487 488 static bool machine_get_enforce_config_section(Object *obj, Error **errp) 489 { 490 MachineState *ms = MACHINE(obj); 491 492 return ms->enforce_config_section; 493 } 494 495 static char *machine_get_memory_encryption(Object *obj, Error **errp) 496 { 497 MachineState *ms = MACHINE(obj); 498 499 return g_strdup(ms->memory_encryption); 500 } 501 502 static void machine_set_memory_encryption(Object *obj, const char *value, 503 Error **errp) 504 { 505 MachineState *ms = MACHINE(obj); 506 507 g_free(ms->memory_encryption); 508 ms->memory_encryption = g_strdup(value); 509 } 510 511 static bool machine_get_nvdimm(Object *obj, Error **errp) 512 { 513 MachineState *ms = MACHINE(obj); 514 515 return ms->nvdimms_state->is_enabled; 516 } 517 518 static void machine_set_nvdimm(Object *obj, bool value, Error **errp) 519 { 520 MachineState *ms = MACHINE(obj); 521 522 ms->nvdimms_state->is_enabled = value; 523 } 524 525 static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) 526 { 527 MachineState *ms = MACHINE(obj); 528 529 return g_strdup(ms->nvdimms_state->persistence_string); 530 } 531 532 static void machine_set_nvdimm_persistence(Object *obj, const char *value, 533 Error **errp) 534 { 535 MachineState *ms = MACHINE(obj); 536 NVDIMMState *nvdimms_state = ms->nvdimms_state; 537 538 if (strcmp(value, "cpu") == 0) { 539 nvdimms_state->persistence = 3; 540 } else if (strcmp(value, "mem-ctrl") == 0) { 541 nvdimms_state->persistence = 2; 542 } else { 543 error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", 544 value); 545 return; 546 } 547 548 g_free(nvdimms_state->persistence_string); 549 nvdimms_state->persistence_string = g_strdup(value); 550 } 551 552 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) 553 { 554 strList *item = g_new0(strList, 1); 555 556 item->value = g_strdup(type); 557 item->next = mc->allowed_dynamic_sysbus_devices; 558 mc->allowed_dynamic_sysbus_devices = item; 559 } 560 561 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque) 562 { 563 MachineState *machine = opaque; 564 MachineClass *mc = MACHINE_GET_CLASS(machine); 565 bool allowed = false; 566 strList *wl; 567 568 for (wl = mc->allowed_dynamic_sysbus_devices; 569 !allowed && wl; 570 wl = wl->next) { 571 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value); 572 } 573 574 if (!allowed) { 575 error_report("Option '-device %s' cannot be handled by this machine", 576 object_class_get_name(object_get_class(OBJECT(sbdev)))); 577 exit(1); 578 } 579 } 580 581 static void machine_init_notify(Notifier *notifier, void *data) 582 { 583 MachineState *machine = MACHINE(qdev_get_machine()); 584 585 /* 586 * Loop through all dynamically created sysbus devices and check if they are 587 * all allowed. If a device is not allowed, error out. 588 */ 589 foreach_dynamic_sysbus_device(validate_sysbus_device, machine); 590 } 591 592 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine) 593 { 594 int i; 595 HotpluggableCPUList *head = NULL; 596 MachineClass *mc = MACHINE_GET_CLASS(machine); 597 598 /* force board to initialize possible_cpus if it hasn't been done yet */ 599 mc->possible_cpu_arch_ids(machine); 600 601 for (i = 0; i < machine->possible_cpus->len; i++) { 602 Object *cpu; 603 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1); 604 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1); 605 606 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type); 607 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count; 608 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props, 609 sizeof(*cpu_item->props)); 610 611 cpu = machine->possible_cpus->cpus[i].cpu; 612 if (cpu) { 613 cpu_item->has_qom_path = true; 614 cpu_item->qom_path = object_get_canonical_path(cpu); 615 } 616 list_item->value = cpu_item; 617 list_item->next = head; 618 head = list_item; 619 } 620 return head; 621 } 622 623 /** 624 * machine_set_cpu_numa_node: 625 * @machine: machine object to modify 626 * @props: specifies which cpu objects to assign to 627 * numa node specified by @props.node_id 628 * @errp: if an error occurs, a pointer to an area to store the error 629 * 630 * Associate NUMA node specified by @props.node_id with cpu slots that 631 * match socket/core/thread-ids specified by @props. It's recommended to use 632 * query-hotpluggable-cpus.props values to specify affected cpu slots, 633 * which would lead to exact 1:1 mapping of cpu slots to NUMA node. 634 * 635 * However for CLI convenience it's possible to pass in subset of properties, 636 * which would affect all cpu slots that match it. 637 * Ex for pc machine: 638 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \ 639 * -numa cpu,node-id=0,socket_id=0 \ 640 * -numa cpu,node-id=1,socket_id=1 641 * will assign all child cores of socket 0 to node 0 and 642 * of socket 1 to node 1. 643 * 644 * On attempt of reassigning (already assigned) cpu slot to another NUMA node, 645 * return error. 646 * Empty subset is disallowed and function will return with error in this case. 647 */ 648 void machine_set_cpu_numa_node(MachineState *machine, 649 const CpuInstanceProperties *props, Error **errp) 650 { 651 MachineClass *mc = MACHINE_GET_CLASS(machine); 652 bool match = false; 653 int i; 654 655 if (!mc->possible_cpu_arch_ids) { 656 error_setg(errp, "mapping of CPUs to NUMA node is not supported"); 657 return; 658 } 659 660 /* disabling node mapping is not supported, forbid it */ 661 assert(props->has_node_id); 662 663 /* force board to initialize possible_cpus if it hasn't been done yet */ 664 mc->possible_cpu_arch_ids(machine); 665 666 for (i = 0; i < machine->possible_cpus->len; i++) { 667 CPUArchId *slot = &machine->possible_cpus->cpus[i]; 668 669 /* reject unsupported by board properties */ 670 if (props->has_thread_id && !slot->props.has_thread_id) { 671 error_setg(errp, "thread-id is not supported"); 672 return; 673 } 674 675 if (props->has_core_id && !slot->props.has_core_id) { 676 error_setg(errp, "core-id is not supported"); 677 return; 678 } 679 680 if (props->has_socket_id && !slot->props.has_socket_id) { 681 error_setg(errp, "socket-id is not supported"); 682 return; 683 } 684 685 /* skip slots with explicit mismatch */ 686 if (props->has_thread_id && props->thread_id != slot->props.thread_id) { 687 continue; 688 } 689 690 if (props->has_core_id && props->core_id != slot->props.core_id) { 691 continue; 692 } 693 694 if (props->has_socket_id && props->socket_id != slot->props.socket_id) { 695 continue; 696 } 697 698 /* reject assignment if slot is already assigned, for compatibility 699 * of legacy cpu_index mapping with SPAPR core based mapping do not 700 * error out if cpu thread and matched core have the same node-id */ 701 if (slot->props.has_node_id && 702 slot->props.node_id != props->node_id) { 703 error_setg(errp, "CPU is already assigned to node-id: %" PRId64, 704 slot->props.node_id); 705 return; 706 } 707 708 /* assign slot to node as it's matched '-numa cpu' key */ 709 match = true; 710 slot->props.node_id = props->node_id; 711 slot->props.has_node_id = props->has_node_id; 712 } 713 714 if (!match) { 715 error_setg(errp, "no match found"); 716 } 717 } 718 719 static void machine_class_init(ObjectClass *oc, void *data) 720 { 721 MachineClass *mc = MACHINE_CLASS(oc); 722 723 /* Default 128 MB as guest ram size */ 724 mc->default_ram_size = 128 * MiB; 725 mc->rom_file_has_mr = true; 726 727 /* numa node memory size aligned on 8MB by default. 728 * On Linux, each node's border has to be 8MB aligned 729 */ 730 mc->numa_mem_align_shift = 23; 731 mc->numa_auto_assign_ram = numa_default_auto_assign_ram; 732 733 object_class_property_add_str(oc, "accel", 734 machine_get_accel, machine_set_accel, &error_abort); 735 object_class_property_set_description(oc, "accel", 736 "Accelerator list", &error_abort); 737 738 object_class_property_add(oc, "kernel-irqchip", "on|off|split", 739 NULL, machine_set_kernel_irqchip, 740 NULL, NULL, &error_abort); 741 object_class_property_set_description(oc, "kernel-irqchip", 742 "Configure KVM in-kernel irqchip", &error_abort); 743 744 object_class_property_add(oc, "kvm-shadow-mem", "int", 745 machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem, 746 NULL, NULL, &error_abort); 747 object_class_property_set_description(oc, "kvm-shadow-mem", 748 "KVM shadow MMU size", &error_abort); 749 750 object_class_property_add_str(oc, "kernel", 751 machine_get_kernel, machine_set_kernel, &error_abort); 752 object_class_property_set_description(oc, "kernel", 753 "Linux kernel image file", &error_abort); 754 755 object_class_property_add_str(oc, "initrd", 756 machine_get_initrd, machine_set_initrd, &error_abort); 757 object_class_property_set_description(oc, "initrd", 758 "Linux initial ramdisk file", &error_abort); 759 760 object_class_property_add_str(oc, "append", 761 machine_get_append, machine_set_append, &error_abort); 762 object_class_property_set_description(oc, "append", 763 "Linux kernel command line", &error_abort); 764 765 object_class_property_add_str(oc, "dtb", 766 machine_get_dtb, machine_set_dtb, &error_abort); 767 object_class_property_set_description(oc, "dtb", 768 "Linux kernel device tree file", &error_abort); 769 770 object_class_property_add_str(oc, "dumpdtb", 771 machine_get_dumpdtb, machine_set_dumpdtb, &error_abort); 772 object_class_property_set_description(oc, "dumpdtb", 773 "Dump current dtb to a file and quit", &error_abort); 774 775 object_class_property_add(oc, "phandle-start", "int", 776 machine_get_phandle_start, machine_set_phandle_start, 777 NULL, NULL, &error_abort); 778 object_class_property_set_description(oc, "phandle-start", 779 "The first phandle ID we may generate dynamically", &error_abort); 780 781 object_class_property_add_str(oc, "dt-compatible", 782 machine_get_dt_compatible, machine_set_dt_compatible, &error_abort); 783 object_class_property_set_description(oc, "dt-compatible", 784 "Overrides the \"compatible\" property of the dt root node", 785 &error_abort); 786 787 object_class_property_add_bool(oc, "dump-guest-core", 788 machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort); 789 object_class_property_set_description(oc, "dump-guest-core", 790 "Include guest memory in a core dump", &error_abort); 791 792 object_class_property_add_bool(oc, "mem-merge", 793 machine_get_mem_merge, machine_set_mem_merge, &error_abort); 794 object_class_property_set_description(oc, "mem-merge", 795 "Enable/disable memory merge support", &error_abort); 796 797 object_class_property_add_bool(oc, "usb", 798 machine_get_usb, machine_set_usb, &error_abort); 799 object_class_property_set_description(oc, "usb", 800 "Set on/off to enable/disable usb", &error_abort); 801 802 object_class_property_add_bool(oc, "graphics", 803 machine_get_graphics, machine_set_graphics, &error_abort); 804 object_class_property_set_description(oc, "graphics", 805 "Set on/off to enable/disable graphics emulation", &error_abort); 806 807 object_class_property_add_bool(oc, "igd-passthru", 808 machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru, 809 &error_abort); 810 object_class_property_set_description(oc, "igd-passthru", 811 "Set on/off to enable/disable igd passthrou", &error_abort); 812 813 object_class_property_add_str(oc, "firmware", 814 machine_get_firmware, machine_set_firmware, 815 &error_abort); 816 object_class_property_set_description(oc, "firmware", 817 "Firmware image", &error_abort); 818 819 object_class_property_add_bool(oc, "suppress-vmdesc", 820 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc, 821 &error_abort); 822 object_class_property_set_description(oc, "suppress-vmdesc", 823 "Set on to disable self-describing migration", &error_abort); 824 825 object_class_property_add_bool(oc, "enforce-config-section", 826 machine_get_enforce_config_section, machine_set_enforce_config_section, 827 &error_abort); 828 object_class_property_set_description(oc, "enforce-config-section", 829 "Set on to enforce configuration section migration", &error_abort); 830 831 object_class_property_add_str(oc, "memory-encryption", 832 machine_get_memory_encryption, machine_set_memory_encryption, 833 &error_abort); 834 object_class_property_set_description(oc, "memory-encryption", 835 "Set memory encryption object to use", &error_abort); 836 } 837 838 static void machine_class_base_init(ObjectClass *oc, void *data) 839 { 840 if (!object_class_is_abstract(oc)) { 841 MachineClass *mc = MACHINE_CLASS(oc); 842 const char *cname = object_class_get_name(oc); 843 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX)); 844 mc->name = g_strndup(cname, 845 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX)); 846 mc->compat_props = g_ptr_array_new(); 847 } 848 } 849 850 static void machine_initfn(Object *obj) 851 { 852 MachineState *ms = MACHINE(obj); 853 MachineClass *mc = MACHINE_GET_CLASS(obj); 854 855 ms->kernel_irqchip_allowed = true; 856 ms->kernel_irqchip_split = mc->default_kernel_irqchip_split; 857 ms->kvm_shadow_mem = -1; 858 ms->dump_guest_core = true; 859 ms->mem_merge = true; 860 ms->enable_graphics = true; 861 862 if (mc->nvdimm_supported) { 863 Object *obj = OBJECT(ms); 864 865 ms->nvdimms_state = g_new0(NVDIMMState, 1); 866 object_property_add_bool(obj, "nvdimm", 867 machine_get_nvdimm, machine_set_nvdimm, 868 &error_abort); 869 object_property_set_description(obj, "nvdimm", 870 "Set on/off to enable/disable " 871 "NVDIMM instantiation", NULL); 872 873 object_property_add_str(obj, "nvdimm-persistence", 874 machine_get_nvdimm_persistence, 875 machine_set_nvdimm_persistence, 876 &error_abort); 877 object_property_set_description(obj, "nvdimm-persistence", 878 "Set NVDIMM persistence" 879 "Valid values are cpu, mem-ctrl", 880 NULL); 881 } 882 883 884 /* Register notifier when init is done for sysbus sanity checks */ 885 ms->sysbus_notifier.notify = machine_init_notify; 886 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); 887 } 888 889 static void machine_finalize(Object *obj) 890 { 891 MachineState *ms = MACHINE(obj); 892 893 g_free(ms->accel); 894 g_free(ms->kernel_filename); 895 g_free(ms->initrd_filename); 896 g_free(ms->kernel_cmdline); 897 g_free(ms->dtb); 898 g_free(ms->dumpdtb); 899 g_free(ms->dt_compatible); 900 g_free(ms->firmware); 901 g_free(ms->device_memory); 902 g_free(ms->nvdimms_state); 903 } 904 905 bool machine_usb(MachineState *machine) 906 { 907 return machine->usb; 908 } 909 910 bool machine_kernel_irqchip_allowed(MachineState *machine) 911 { 912 return machine->kernel_irqchip_allowed; 913 } 914 915 bool machine_kernel_irqchip_required(MachineState *machine) 916 { 917 return machine->kernel_irqchip_required; 918 } 919 920 bool machine_kernel_irqchip_split(MachineState *machine) 921 { 922 return machine->kernel_irqchip_split; 923 } 924 925 int machine_kvm_shadow_mem(MachineState *machine) 926 { 927 return machine->kvm_shadow_mem; 928 } 929 930 int machine_phandle_start(MachineState *machine) 931 { 932 return machine->phandle_start; 933 } 934 935 bool machine_dump_guest_core(MachineState *machine) 936 { 937 return machine->dump_guest_core; 938 } 939 940 bool machine_mem_merge(MachineState *machine) 941 { 942 return machine->mem_merge; 943 } 944 945 static char *cpu_slot_to_string(const CPUArchId *cpu) 946 { 947 GString *s = g_string_new(NULL); 948 if (cpu->props.has_socket_id) { 949 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id); 950 } 951 if (cpu->props.has_core_id) { 952 if (s->len) { 953 g_string_append_printf(s, ", "); 954 } 955 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id); 956 } 957 if (cpu->props.has_thread_id) { 958 if (s->len) { 959 g_string_append_printf(s, ", "); 960 } 961 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id); 962 } 963 return g_string_free(s, false); 964 } 965 966 static void machine_numa_finish_cpu_init(MachineState *machine) 967 { 968 int i; 969 bool default_mapping; 970 GString *s = g_string_new(NULL); 971 MachineClass *mc = MACHINE_GET_CLASS(machine); 972 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine); 973 974 assert(nb_numa_nodes); 975 for (i = 0; i < possible_cpus->len; i++) { 976 if (possible_cpus->cpus[i].props.has_node_id) { 977 break; 978 } 979 } 980 default_mapping = (i == possible_cpus->len); 981 982 for (i = 0; i < possible_cpus->len; i++) { 983 const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; 984 985 if (!cpu_slot->props.has_node_id) { 986 /* fetch default mapping from board and enable it */ 987 CpuInstanceProperties props = cpu_slot->props; 988 989 props.node_id = mc->get_default_cpu_node_id(machine, i); 990 if (!default_mapping) { 991 /* record slots with not set mapping, 992 * TODO: make it hard error in future */ 993 char *cpu_str = cpu_slot_to_string(cpu_slot); 994 g_string_append_printf(s, "%sCPU %d [%s]", 995 s->len ? ", " : "", i, cpu_str); 996 g_free(cpu_str); 997 998 /* non mapped cpus used to fallback to node 0 */ 999 props.node_id = 0; 1000 } 1001 1002 props.has_node_id = true; 1003 machine_set_cpu_numa_node(machine, &props, &error_fatal); 1004 } 1005 } 1006 if (s->len && !qtest_enabled()) { 1007 warn_report("CPU(s) not present in any NUMA nodes: %s", 1008 s->str); 1009 warn_report("All CPU(s) up to maxcpus should be described " 1010 "in NUMA config, ability to start up with partial NUMA " 1011 "mappings is obsoleted and will be removed in future"); 1012 } 1013 g_string_free(s, true); 1014 } 1015 1016 void machine_run_board_init(MachineState *machine) 1017 { 1018 MachineClass *machine_class = MACHINE_GET_CLASS(machine); 1019 1020 numa_complete_configuration(machine); 1021 if (nb_numa_nodes) { 1022 machine_numa_finish_cpu_init(machine); 1023 } 1024 1025 /* If the machine supports the valid_cpu_types check and the user 1026 * specified a CPU with -cpu check here that the user CPU is supported. 1027 */ 1028 if (machine_class->valid_cpu_types && machine->cpu_type) { 1029 ObjectClass *class = object_class_by_name(machine->cpu_type); 1030 int i; 1031 1032 for (i = 0; machine_class->valid_cpu_types[i]; i++) { 1033 if (object_class_dynamic_cast(class, 1034 machine_class->valid_cpu_types[i])) { 1035 /* The user specificed CPU is in the valid field, we are 1036 * good to go. 1037 */ 1038 break; 1039 } 1040 } 1041 1042 if (!machine_class->valid_cpu_types[i]) { 1043 /* The user specified CPU is not valid */ 1044 error_report("Invalid CPU type: %s", machine->cpu_type); 1045 error_printf("The valid types are: %s", 1046 machine_class->valid_cpu_types[0]); 1047 for (i = 1; machine_class->valid_cpu_types[i]; i++) { 1048 error_printf(", %s", machine_class->valid_cpu_types[i]); 1049 } 1050 error_printf("\n"); 1051 1052 exit(1); 1053 } 1054 } 1055 1056 machine_class->init(machine); 1057 } 1058 1059 static const TypeInfo machine_info = { 1060 .name = TYPE_MACHINE, 1061 .parent = TYPE_OBJECT, 1062 .abstract = true, 1063 .class_size = sizeof(MachineClass), 1064 .class_init = machine_class_init, 1065 .class_base_init = machine_class_base_init, 1066 .instance_size = sizeof(MachineState), 1067 .instance_init = machine_initfn, 1068 .instance_finalize = machine_finalize, 1069 }; 1070 1071 static void machine_register_types(void) 1072 { 1073 type_register_static(&machine_info); 1074 } 1075 1076 type_init(machine_register_types) 1077