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_1[] = {}; 28 const size_t hw_compat_4_0_1_len = G_N_ELEMENTS(hw_compat_4_0_1); 29 30 GlobalProperty hw_compat_4_0[] = {}; 31 const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0); 32 33 GlobalProperty hw_compat_3_1[] = { 34 { "pcie-root-port", "x-speed", "2_5" }, 35 { "pcie-root-port", "x-width", "1" }, 36 { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" }, 37 { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" }, 38 { "tpm-crb", "ppi", "false" }, 39 { "tpm-tis", "ppi", "false" }, 40 { "usb-kbd", "serial", "42" }, 41 { "usb-mouse", "serial", "42" }, 42 { "usb-tablet", "serial", "42" }, 43 { "virtio-blk-device", "discard", "false" }, 44 { "virtio-blk-device", "write-zeroes", "false" }, 45 }; 46 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1); 47 48 GlobalProperty hw_compat_3_0[] = {}; 49 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0); 50 51 GlobalProperty hw_compat_2_12[] = { 52 { "migration", "decompress-error-check", "off" }, 53 { "hda-audio", "use-timer", "false" }, 54 { "cirrus-vga", "global-vmstate", "true" }, 55 { "VGA", "global-vmstate", "true" }, 56 { "vmware-svga", "global-vmstate", "true" }, 57 { "qxl-vga", "global-vmstate", "true" }, 58 }; 59 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12); 60 61 GlobalProperty hw_compat_2_11[] = { 62 { "hpet", "hpet-offset-saved", "false" }, 63 { "virtio-blk-pci", "vectors", "2" }, 64 { "vhost-user-blk-pci", "vectors", "2" }, 65 { "e1000", "migrate_tso_props", "off" }, 66 }; 67 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11); 68 69 GlobalProperty hw_compat_2_10[] = { 70 { "virtio-mouse-device", "wheel-axis", "false" }, 71 { "virtio-tablet-device", "wheel-axis", "false" }, 72 }; 73 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10); 74 75 GlobalProperty hw_compat_2_9[] = { 76 { "pci-bridge", "shpc", "off" }, 77 { "intel-iommu", "pt", "off" }, 78 { "virtio-net-device", "x-mtu-bypass-backend", "off" }, 79 { "pcie-root-port", "x-migrate-msix", "false" }, 80 }; 81 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9); 82 83 GlobalProperty hw_compat_2_8[] = { 84 { "fw_cfg_mem", "x-file-slots", "0x10" }, 85 { "fw_cfg_io", "x-file-slots", "0x10" }, 86 { "pflash_cfi01", "old-multiple-chip-handling", "on" }, 87 { "pci-bridge", "shpc", "on" }, 88 { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" }, 89 { "virtio-pci", "x-pcie-deverr-init", "off" }, 90 { "virtio-pci", "x-pcie-lnkctl-init", "off" }, 91 { "virtio-pci", "x-pcie-pm-init", "off" }, 92 { "cirrus-vga", "vgamem_mb", "8" }, 93 { "isa-cirrus-vga", "vgamem_mb", "8" }, 94 }; 95 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8); 96 97 GlobalProperty hw_compat_2_7[] = { 98 { "virtio-pci", "page-per-vq", "on" }, 99 { "virtio-serial-device", "emergency-write", "off" }, 100 { "ioapic", "version", "0x11" }, 101 { "intel-iommu", "x-buggy-eim", "true" }, 102 { "virtio-pci", "x-ignore-backend-features", "on" }, 103 }; 104 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7); 105 106 GlobalProperty hw_compat_2_6[] = { 107 { "virtio-mmio", "format_transport_address", "off" }, 108 /* 109 * don't include devices which are modern-only 110 * ie keyboard, mouse, tablet, gpu, vga & crypto 111 */ 112 { "virtio-9p-pci", "disable-modern", "on" }, 113 { "virtio-9p-pci", "disable-legacy", "off" }, 114 { "virtio-balloon-pci", "disable-modern", "on" }, 115 { "virtio-balloon-pci", "disable-legacy", "off" }, 116 { "virtio-blk-pci", "disable-modern", "on" }, 117 { "virtio-blk-pci", "disable-legacy", "off" }, 118 { "virtio-input-host-pci", "disable-modern", "on" }, 119 { "virtio-input-host-pci", "disable-legacy", "off" }, 120 { "virtio-net-pci", "disable-modern", "on" }, 121 { "virtio-net-pci", "disable-legacy", "off" }, 122 { "virtio-rng-pci", "disable-modern", "on" }, 123 { "virtio-rng-pci", "disable-legacy", "off" }, 124 { "virtio-scsi-pci", "disable-modern", "on" }, 125 { "virtio-scsi-pci", "disable-legacy", "off" }, 126 { "virtio-serial-pci", "disable-modern", "on" }, 127 { "virtio-serial-pci", "disable-legacy", "off" }, 128 }; 129 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6); 130 131 GlobalProperty hw_compat_2_5[] = { 132 { "isa-fdc", "fallback", "144" }, 133 { "pvscsi", "x-old-pci-configuration", "on" }, 134 { "pvscsi", "x-disable-pcie", "on" }, 135 { "vmxnet3", "x-old-msi-offsets", "on" }, 136 { "vmxnet3", "x-disable-pcie", "on" }, 137 }; 138 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5); 139 140 GlobalProperty hw_compat_2_4[] = { 141 { "virtio-blk-device", "scsi", "true" }, 142 { "e1000", "extra_mac_registers", "off" }, 143 { "virtio-pci", "x-disable-pcie", "on" }, 144 { "virtio-pci", "migrate-extra", "off" }, 145 { "fw_cfg_mem", "dma_enabled", "off" }, 146 { "fw_cfg_io", "dma_enabled", "off" } 147 }; 148 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4); 149 150 GlobalProperty hw_compat_2_3[] = { 151 { "virtio-blk-pci", "any_layout", "off" }, 152 { "virtio-balloon-pci", "any_layout", "off" }, 153 { "virtio-serial-pci", "any_layout", "off" }, 154 { "virtio-9p-pci", "any_layout", "off" }, 155 { "virtio-rng-pci", "any_layout", "off" }, 156 { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" }, 157 { "migration", "send-configuration", "off" }, 158 { "migration", "send-section-footer", "off" }, 159 { "migration", "store-global-state", "off" }, 160 }; 161 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3); 162 163 GlobalProperty hw_compat_2_2[] = {}; 164 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2); 165 166 GlobalProperty hw_compat_2_1[] = { 167 { "intel-hda", "old_msi_addr", "on" }, 168 { "VGA", "qemu-extended-regs", "off" }, 169 { "secondary-vga", "qemu-extended-regs", "off" }, 170 { "virtio-scsi-pci", "any_layout", "off" }, 171 { "usb-mouse", "usb_version", "1" }, 172 { "usb-kbd", "usb_version", "1" }, 173 { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" }, 174 }; 175 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1); 176 177 static char *machine_get_accel(Object *obj, Error **errp) 178 { 179 MachineState *ms = MACHINE(obj); 180 181 return g_strdup(ms->accel); 182 } 183 184 static void machine_set_accel(Object *obj, const char *value, Error **errp) 185 { 186 MachineState *ms = MACHINE(obj); 187 188 g_free(ms->accel); 189 ms->accel = g_strdup(value); 190 } 191 192 static void machine_set_kernel_irqchip(Object *obj, Visitor *v, 193 const char *name, void *opaque, 194 Error **errp) 195 { 196 Error *err = NULL; 197 MachineState *ms = MACHINE(obj); 198 OnOffSplit mode; 199 200 visit_type_OnOffSplit(v, name, &mode, &err); 201 if (err) { 202 error_propagate(errp, err); 203 return; 204 } else { 205 switch (mode) { 206 case ON_OFF_SPLIT_ON: 207 ms->kernel_irqchip_allowed = true; 208 ms->kernel_irqchip_required = true; 209 ms->kernel_irqchip_split = false; 210 break; 211 case ON_OFF_SPLIT_OFF: 212 ms->kernel_irqchip_allowed = false; 213 ms->kernel_irqchip_required = false; 214 ms->kernel_irqchip_split = false; 215 break; 216 case ON_OFF_SPLIT_SPLIT: 217 ms->kernel_irqchip_allowed = true; 218 ms->kernel_irqchip_required = true; 219 ms->kernel_irqchip_split = true; 220 break; 221 default: 222 /* The value was checked in visit_type_OnOffSplit() above. If 223 * we get here, then something is wrong in QEMU. 224 */ 225 abort(); 226 } 227 } 228 } 229 230 static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v, 231 const char *name, void *opaque, 232 Error **errp) 233 { 234 MachineState *ms = MACHINE(obj); 235 int64_t value = ms->kvm_shadow_mem; 236 237 visit_type_int(v, name, &value, errp); 238 } 239 240 static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v, 241 const char *name, void *opaque, 242 Error **errp) 243 { 244 MachineState *ms = MACHINE(obj); 245 Error *error = NULL; 246 int64_t value; 247 248 visit_type_int(v, name, &value, &error); 249 if (error) { 250 error_propagate(errp, error); 251 return; 252 } 253 254 ms->kvm_shadow_mem = value; 255 } 256 257 static char *machine_get_kernel(Object *obj, Error **errp) 258 { 259 MachineState *ms = MACHINE(obj); 260 261 return g_strdup(ms->kernel_filename); 262 } 263 264 static void machine_set_kernel(Object *obj, const char *value, Error **errp) 265 { 266 MachineState *ms = MACHINE(obj); 267 268 g_free(ms->kernel_filename); 269 ms->kernel_filename = g_strdup(value); 270 } 271 272 static char *machine_get_initrd(Object *obj, Error **errp) 273 { 274 MachineState *ms = MACHINE(obj); 275 276 return g_strdup(ms->initrd_filename); 277 } 278 279 static void machine_set_initrd(Object *obj, const char *value, Error **errp) 280 { 281 MachineState *ms = MACHINE(obj); 282 283 g_free(ms->initrd_filename); 284 ms->initrd_filename = g_strdup(value); 285 } 286 287 static char *machine_get_append(Object *obj, Error **errp) 288 { 289 MachineState *ms = MACHINE(obj); 290 291 return g_strdup(ms->kernel_cmdline); 292 } 293 294 static void machine_set_append(Object *obj, const char *value, Error **errp) 295 { 296 MachineState *ms = MACHINE(obj); 297 298 g_free(ms->kernel_cmdline); 299 ms->kernel_cmdline = g_strdup(value); 300 } 301 302 static char *machine_get_dtb(Object *obj, Error **errp) 303 { 304 MachineState *ms = MACHINE(obj); 305 306 return g_strdup(ms->dtb); 307 } 308 309 static void machine_set_dtb(Object *obj, const char *value, Error **errp) 310 { 311 MachineState *ms = MACHINE(obj); 312 313 g_free(ms->dtb); 314 ms->dtb = g_strdup(value); 315 } 316 317 static char *machine_get_dumpdtb(Object *obj, Error **errp) 318 { 319 MachineState *ms = MACHINE(obj); 320 321 return g_strdup(ms->dumpdtb); 322 } 323 324 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp) 325 { 326 MachineState *ms = MACHINE(obj); 327 328 g_free(ms->dumpdtb); 329 ms->dumpdtb = g_strdup(value); 330 } 331 332 static void machine_get_phandle_start(Object *obj, Visitor *v, 333 const char *name, void *opaque, 334 Error **errp) 335 { 336 MachineState *ms = MACHINE(obj); 337 int64_t value = ms->phandle_start; 338 339 visit_type_int(v, name, &value, errp); 340 } 341 342 static void machine_set_phandle_start(Object *obj, Visitor *v, 343 const char *name, void *opaque, 344 Error **errp) 345 { 346 MachineState *ms = MACHINE(obj); 347 Error *error = NULL; 348 int64_t value; 349 350 visit_type_int(v, name, &value, &error); 351 if (error) { 352 error_propagate(errp, error); 353 return; 354 } 355 356 ms->phandle_start = value; 357 } 358 359 static char *machine_get_dt_compatible(Object *obj, Error **errp) 360 { 361 MachineState *ms = MACHINE(obj); 362 363 return g_strdup(ms->dt_compatible); 364 } 365 366 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp) 367 { 368 MachineState *ms = MACHINE(obj); 369 370 g_free(ms->dt_compatible); 371 ms->dt_compatible = g_strdup(value); 372 } 373 374 static bool machine_get_dump_guest_core(Object *obj, Error **errp) 375 { 376 MachineState *ms = MACHINE(obj); 377 378 return ms->dump_guest_core; 379 } 380 381 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp) 382 { 383 MachineState *ms = MACHINE(obj); 384 385 ms->dump_guest_core = value; 386 } 387 388 static bool machine_get_mem_merge(Object *obj, Error **errp) 389 { 390 MachineState *ms = MACHINE(obj); 391 392 return ms->mem_merge; 393 } 394 395 static void machine_set_mem_merge(Object *obj, bool value, Error **errp) 396 { 397 MachineState *ms = MACHINE(obj); 398 399 ms->mem_merge = value; 400 } 401 402 static bool machine_get_usb(Object *obj, Error **errp) 403 { 404 MachineState *ms = MACHINE(obj); 405 406 return ms->usb; 407 } 408 409 static void machine_set_usb(Object *obj, bool value, Error **errp) 410 { 411 MachineState *ms = MACHINE(obj); 412 413 ms->usb = value; 414 ms->usb_disabled = !value; 415 } 416 417 static bool machine_get_graphics(Object *obj, Error **errp) 418 { 419 MachineState *ms = MACHINE(obj); 420 421 return ms->enable_graphics; 422 } 423 424 static void machine_set_graphics(Object *obj, bool value, Error **errp) 425 { 426 MachineState *ms = MACHINE(obj); 427 428 ms->enable_graphics = value; 429 } 430 431 static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp) 432 { 433 MachineState *ms = MACHINE(obj); 434 435 return ms->igd_gfx_passthru; 436 } 437 438 static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp) 439 { 440 MachineState *ms = MACHINE(obj); 441 442 ms->igd_gfx_passthru = value; 443 } 444 445 static char *machine_get_firmware(Object *obj, Error **errp) 446 { 447 MachineState *ms = MACHINE(obj); 448 449 return g_strdup(ms->firmware); 450 } 451 452 static void machine_set_firmware(Object *obj, const char *value, Error **errp) 453 { 454 MachineState *ms = MACHINE(obj); 455 456 g_free(ms->firmware); 457 ms->firmware = g_strdup(value); 458 } 459 460 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp) 461 { 462 MachineState *ms = MACHINE(obj); 463 464 ms->suppress_vmdesc = value; 465 } 466 467 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp) 468 { 469 MachineState *ms = MACHINE(obj); 470 471 return ms->suppress_vmdesc; 472 } 473 474 static void machine_set_enforce_config_section(Object *obj, bool value, 475 Error **errp) 476 { 477 MachineState *ms = MACHINE(obj); 478 479 warn_report("enforce-config-section is deprecated, please use " 480 "-global migration.send-configuration=on|off instead"); 481 482 ms->enforce_config_section = value; 483 } 484 485 static bool machine_get_enforce_config_section(Object *obj, Error **errp) 486 { 487 MachineState *ms = MACHINE(obj); 488 489 return ms->enforce_config_section; 490 } 491 492 static char *machine_get_memory_encryption(Object *obj, Error **errp) 493 { 494 MachineState *ms = MACHINE(obj); 495 496 return g_strdup(ms->memory_encryption); 497 } 498 499 static void machine_set_memory_encryption(Object *obj, const char *value, 500 Error **errp) 501 { 502 MachineState *ms = MACHINE(obj); 503 504 g_free(ms->memory_encryption); 505 ms->memory_encryption = g_strdup(value); 506 } 507 508 static bool machine_get_nvdimm(Object *obj, Error **errp) 509 { 510 MachineState *ms = MACHINE(obj); 511 512 return ms->nvdimms_state->is_enabled; 513 } 514 515 static void machine_set_nvdimm(Object *obj, bool value, Error **errp) 516 { 517 MachineState *ms = MACHINE(obj); 518 519 ms->nvdimms_state->is_enabled = value; 520 } 521 522 static char *machine_get_nvdimm_persistence(Object *obj, Error **errp) 523 { 524 MachineState *ms = MACHINE(obj); 525 526 return g_strdup(ms->nvdimms_state->persistence_string); 527 } 528 529 static void machine_set_nvdimm_persistence(Object *obj, const char *value, 530 Error **errp) 531 { 532 MachineState *ms = MACHINE(obj); 533 NVDIMMState *nvdimms_state = ms->nvdimms_state; 534 535 if (strcmp(value, "cpu") == 0) { 536 nvdimms_state->persistence = 3; 537 } else if (strcmp(value, "mem-ctrl") == 0) { 538 nvdimms_state->persistence = 2; 539 } else { 540 error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option", 541 value); 542 return; 543 } 544 545 g_free(nvdimms_state->persistence_string); 546 nvdimms_state->persistence_string = g_strdup(value); 547 } 548 549 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type) 550 { 551 strList *item = g_new0(strList, 1); 552 553 item->value = g_strdup(type); 554 item->next = mc->allowed_dynamic_sysbus_devices; 555 mc->allowed_dynamic_sysbus_devices = item; 556 } 557 558 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque) 559 { 560 MachineState *machine = opaque; 561 MachineClass *mc = MACHINE_GET_CLASS(machine); 562 bool allowed = false; 563 strList *wl; 564 565 for (wl = mc->allowed_dynamic_sysbus_devices; 566 !allowed && wl; 567 wl = wl->next) { 568 allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value); 569 } 570 571 if (!allowed) { 572 error_report("Option '-device %s' cannot be handled by this machine", 573 object_class_get_name(object_get_class(OBJECT(sbdev)))); 574 exit(1); 575 } 576 } 577 578 static void machine_init_notify(Notifier *notifier, void *data) 579 { 580 MachineState *machine = MACHINE(qdev_get_machine()); 581 582 /* 583 * Loop through all dynamically created sysbus devices and check if they are 584 * all allowed. If a device is not allowed, error out. 585 */ 586 foreach_dynamic_sysbus_device(validate_sysbus_device, machine); 587 } 588 589 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine) 590 { 591 int i; 592 HotpluggableCPUList *head = NULL; 593 MachineClass *mc = MACHINE_GET_CLASS(machine); 594 595 /* force board to initialize possible_cpus if it hasn't been done yet */ 596 mc->possible_cpu_arch_ids(machine); 597 598 for (i = 0; i < machine->possible_cpus->len; i++) { 599 Object *cpu; 600 HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1); 601 HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1); 602 603 cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type); 604 cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count; 605 cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props, 606 sizeof(*cpu_item->props)); 607 608 cpu = machine->possible_cpus->cpus[i].cpu; 609 if (cpu) { 610 cpu_item->has_qom_path = true; 611 cpu_item->qom_path = object_get_canonical_path(cpu); 612 } 613 list_item->value = cpu_item; 614 list_item->next = head; 615 head = list_item; 616 } 617 return head; 618 } 619 620 /** 621 * machine_set_cpu_numa_node: 622 * @machine: machine object to modify 623 * @props: specifies which cpu objects to assign to 624 * numa node specified by @props.node_id 625 * @errp: if an error occurs, a pointer to an area to store the error 626 * 627 * Associate NUMA node specified by @props.node_id with cpu slots that 628 * match socket/core/thread-ids specified by @props. It's recommended to use 629 * query-hotpluggable-cpus.props values to specify affected cpu slots, 630 * which would lead to exact 1:1 mapping of cpu slots to NUMA node. 631 * 632 * However for CLI convenience it's possible to pass in subset of properties, 633 * which would affect all cpu slots that match it. 634 * Ex for pc machine: 635 * -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \ 636 * -numa cpu,node-id=0,socket_id=0 \ 637 * -numa cpu,node-id=1,socket_id=1 638 * will assign all child cores of socket 0 to node 0 and 639 * of socket 1 to node 1. 640 * 641 * On attempt of reassigning (already assigned) cpu slot to another NUMA node, 642 * return error. 643 * Empty subset is disallowed and function will return with error in this case. 644 */ 645 void machine_set_cpu_numa_node(MachineState *machine, 646 const CpuInstanceProperties *props, Error **errp) 647 { 648 MachineClass *mc = MACHINE_GET_CLASS(machine); 649 bool match = false; 650 int i; 651 652 if (!mc->possible_cpu_arch_ids) { 653 error_setg(errp, "mapping of CPUs to NUMA node is not supported"); 654 return; 655 } 656 657 /* disabling node mapping is not supported, forbid it */ 658 assert(props->has_node_id); 659 660 /* force board to initialize possible_cpus if it hasn't been done yet */ 661 mc->possible_cpu_arch_ids(machine); 662 663 for (i = 0; i < machine->possible_cpus->len; i++) { 664 CPUArchId *slot = &machine->possible_cpus->cpus[i]; 665 666 /* reject unsupported by board properties */ 667 if (props->has_thread_id && !slot->props.has_thread_id) { 668 error_setg(errp, "thread-id is not supported"); 669 return; 670 } 671 672 if (props->has_core_id && !slot->props.has_core_id) { 673 error_setg(errp, "core-id is not supported"); 674 return; 675 } 676 677 if (props->has_socket_id && !slot->props.has_socket_id) { 678 error_setg(errp, "socket-id is not supported"); 679 return; 680 } 681 682 /* skip slots with explicit mismatch */ 683 if (props->has_thread_id && props->thread_id != slot->props.thread_id) { 684 continue; 685 } 686 687 if (props->has_core_id && props->core_id != slot->props.core_id) { 688 continue; 689 } 690 691 if (props->has_socket_id && props->socket_id != slot->props.socket_id) { 692 continue; 693 } 694 695 /* reject assignment if slot is already assigned, for compatibility 696 * of legacy cpu_index mapping with SPAPR core based mapping do not 697 * error out if cpu thread and matched core have the same node-id */ 698 if (slot->props.has_node_id && 699 slot->props.node_id != props->node_id) { 700 error_setg(errp, "CPU is already assigned to node-id: %" PRId64, 701 slot->props.node_id); 702 return; 703 } 704 705 /* assign slot to node as it's matched '-numa cpu' key */ 706 match = true; 707 slot->props.node_id = props->node_id; 708 slot->props.has_node_id = props->has_node_id; 709 } 710 711 if (!match) { 712 error_setg(errp, "no match found"); 713 } 714 } 715 716 static void machine_class_init(ObjectClass *oc, void *data) 717 { 718 MachineClass *mc = MACHINE_CLASS(oc); 719 720 /* Default 128 MB as guest ram size */ 721 mc->default_ram_size = 128 * MiB; 722 mc->rom_file_has_mr = true; 723 724 /* numa node memory size aligned on 8MB by default. 725 * On Linux, each node's border has to be 8MB aligned 726 */ 727 mc->numa_mem_align_shift = 23; 728 mc->numa_auto_assign_ram = numa_default_auto_assign_ram; 729 730 object_class_property_add_str(oc, "accel", 731 machine_get_accel, machine_set_accel, &error_abort); 732 object_class_property_set_description(oc, "accel", 733 "Accelerator list", &error_abort); 734 735 object_class_property_add(oc, "kernel-irqchip", "on|off|split", 736 NULL, machine_set_kernel_irqchip, 737 NULL, NULL, &error_abort); 738 object_class_property_set_description(oc, "kernel-irqchip", 739 "Configure KVM in-kernel irqchip", &error_abort); 740 741 object_class_property_add(oc, "kvm-shadow-mem", "int", 742 machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem, 743 NULL, NULL, &error_abort); 744 object_class_property_set_description(oc, "kvm-shadow-mem", 745 "KVM shadow MMU size", &error_abort); 746 747 object_class_property_add_str(oc, "kernel", 748 machine_get_kernel, machine_set_kernel, &error_abort); 749 object_class_property_set_description(oc, "kernel", 750 "Linux kernel image file", &error_abort); 751 752 object_class_property_add_str(oc, "initrd", 753 machine_get_initrd, machine_set_initrd, &error_abort); 754 object_class_property_set_description(oc, "initrd", 755 "Linux initial ramdisk file", &error_abort); 756 757 object_class_property_add_str(oc, "append", 758 machine_get_append, machine_set_append, &error_abort); 759 object_class_property_set_description(oc, "append", 760 "Linux kernel command line", &error_abort); 761 762 object_class_property_add_str(oc, "dtb", 763 machine_get_dtb, machine_set_dtb, &error_abort); 764 object_class_property_set_description(oc, "dtb", 765 "Linux kernel device tree file", &error_abort); 766 767 object_class_property_add_str(oc, "dumpdtb", 768 machine_get_dumpdtb, machine_set_dumpdtb, &error_abort); 769 object_class_property_set_description(oc, "dumpdtb", 770 "Dump current dtb to a file and quit", &error_abort); 771 772 object_class_property_add(oc, "phandle-start", "int", 773 machine_get_phandle_start, machine_set_phandle_start, 774 NULL, NULL, &error_abort); 775 object_class_property_set_description(oc, "phandle-start", 776 "The first phandle ID we may generate dynamically", &error_abort); 777 778 object_class_property_add_str(oc, "dt-compatible", 779 machine_get_dt_compatible, machine_set_dt_compatible, &error_abort); 780 object_class_property_set_description(oc, "dt-compatible", 781 "Overrides the \"compatible\" property of the dt root node", 782 &error_abort); 783 784 object_class_property_add_bool(oc, "dump-guest-core", 785 machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort); 786 object_class_property_set_description(oc, "dump-guest-core", 787 "Include guest memory in a core dump", &error_abort); 788 789 object_class_property_add_bool(oc, "mem-merge", 790 machine_get_mem_merge, machine_set_mem_merge, &error_abort); 791 object_class_property_set_description(oc, "mem-merge", 792 "Enable/disable memory merge support", &error_abort); 793 794 object_class_property_add_bool(oc, "usb", 795 machine_get_usb, machine_set_usb, &error_abort); 796 object_class_property_set_description(oc, "usb", 797 "Set on/off to enable/disable usb", &error_abort); 798 799 object_class_property_add_bool(oc, "graphics", 800 machine_get_graphics, machine_set_graphics, &error_abort); 801 object_class_property_set_description(oc, "graphics", 802 "Set on/off to enable/disable graphics emulation", &error_abort); 803 804 object_class_property_add_bool(oc, "igd-passthru", 805 machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru, 806 &error_abort); 807 object_class_property_set_description(oc, "igd-passthru", 808 "Set on/off to enable/disable igd passthrou", &error_abort); 809 810 object_class_property_add_str(oc, "firmware", 811 machine_get_firmware, machine_set_firmware, 812 &error_abort); 813 object_class_property_set_description(oc, "firmware", 814 "Firmware image", &error_abort); 815 816 object_class_property_add_bool(oc, "suppress-vmdesc", 817 machine_get_suppress_vmdesc, machine_set_suppress_vmdesc, 818 &error_abort); 819 object_class_property_set_description(oc, "suppress-vmdesc", 820 "Set on to disable self-describing migration", &error_abort); 821 822 object_class_property_add_bool(oc, "enforce-config-section", 823 machine_get_enforce_config_section, machine_set_enforce_config_section, 824 &error_abort); 825 object_class_property_set_description(oc, "enforce-config-section", 826 "Set on to enforce configuration section migration", &error_abort); 827 828 object_class_property_add_str(oc, "memory-encryption", 829 machine_get_memory_encryption, machine_set_memory_encryption, 830 &error_abort); 831 object_class_property_set_description(oc, "memory-encryption", 832 "Set memory encryption object to use", &error_abort); 833 } 834 835 static void machine_class_base_init(ObjectClass *oc, void *data) 836 { 837 if (!object_class_is_abstract(oc)) { 838 MachineClass *mc = MACHINE_CLASS(oc); 839 const char *cname = object_class_get_name(oc); 840 assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX)); 841 mc->name = g_strndup(cname, 842 strlen(cname) - strlen(TYPE_MACHINE_SUFFIX)); 843 mc->compat_props = g_ptr_array_new(); 844 } 845 } 846 847 static void machine_initfn(Object *obj) 848 { 849 MachineState *ms = MACHINE(obj); 850 MachineClass *mc = MACHINE_GET_CLASS(obj); 851 852 ms->kernel_irqchip_allowed = true; 853 ms->kernel_irqchip_split = mc->default_kernel_irqchip_split; 854 ms->kvm_shadow_mem = -1; 855 ms->dump_guest_core = true; 856 ms->mem_merge = true; 857 ms->enable_graphics = true; 858 859 if (mc->nvdimm_supported) { 860 Object *obj = OBJECT(ms); 861 862 ms->nvdimms_state = g_new0(NVDIMMState, 1); 863 object_property_add_bool(obj, "nvdimm", 864 machine_get_nvdimm, machine_set_nvdimm, 865 &error_abort); 866 object_property_set_description(obj, "nvdimm", 867 "Set on/off to enable/disable " 868 "NVDIMM instantiation", NULL); 869 870 object_property_add_str(obj, "nvdimm-persistence", 871 machine_get_nvdimm_persistence, 872 machine_set_nvdimm_persistence, 873 &error_abort); 874 object_property_set_description(obj, "nvdimm-persistence", 875 "Set NVDIMM persistence" 876 "Valid values are cpu, mem-ctrl", 877 NULL); 878 } 879 880 881 /* Register notifier when init is done for sysbus sanity checks */ 882 ms->sysbus_notifier.notify = machine_init_notify; 883 qemu_add_machine_init_done_notifier(&ms->sysbus_notifier); 884 } 885 886 static void machine_finalize(Object *obj) 887 { 888 MachineState *ms = MACHINE(obj); 889 890 g_free(ms->accel); 891 g_free(ms->kernel_filename); 892 g_free(ms->initrd_filename); 893 g_free(ms->kernel_cmdline); 894 g_free(ms->dtb); 895 g_free(ms->dumpdtb); 896 g_free(ms->dt_compatible); 897 g_free(ms->firmware); 898 g_free(ms->device_memory); 899 g_free(ms->nvdimms_state); 900 } 901 902 bool machine_usb(MachineState *machine) 903 { 904 return machine->usb; 905 } 906 907 bool machine_kernel_irqchip_allowed(MachineState *machine) 908 { 909 return machine->kernel_irqchip_allowed; 910 } 911 912 bool machine_kernel_irqchip_required(MachineState *machine) 913 { 914 return machine->kernel_irqchip_required; 915 } 916 917 bool machine_kernel_irqchip_split(MachineState *machine) 918 { 919 return machine->kernel_irqchip_split; 920 } 921 922 int machine_kvm_shadow_mem(MachineState *machine) 923 { 924 return machine->kvm_shadow_mem; 925 } 926 927 int machine_phandle_start(MachineState *machine) 928 { 929 return machine->phandle_start; 930 } 931 932 bool machine_dump_guest_core(MachineState *machine) 933 { 934 return machine->dump_guest_core; 935 } 936 937 bool machine_mem_merge(MachineState *machine) 938 { 939 return machine->mem_merge; 940 } 941 942 static char *cpu_slot_to_string(const CPUArchId *cpu) 943 { 944 GString *s = g_string_new(NULL); 945 if (cpu->props.has_socket_id) { 946 g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id); 947 } 948 if (cpu->props.has_core_id) { 949 if (s->len) { 950 g_string_append_printf(s, ", "); 951 } 952 g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id); 953 } 954 if (cpu->props.has_thread_id) { 955 if (s->len) { 956 g_string_append_printf(s, ", "); 957 } 958 g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id); 959 } 960 return g_string_free(s, false); 961 } 962 963 static void machine_numa_finish_cpu_init(MachineState *machine) 964 { 965 int i; 966 bool default_mapping; 967 GString *s = g_string_new(NULL); 968 MachineClass *mc = MACHINE_GET_CLASS(machine); 969 const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine); 970 971 assert(nb_numa_nodes); 972 for (i = 0; i < possible_cpus->len; i++) { 973 if (possible_cpus->cpus[i].props.has_node_id) { 974 break; 975 } 976 } 977 default_mapping = (i == possible_cpus->len); 978 979 for (i = 0; i < possible_cpus->len; i++) { 980 const CPUArchId *cpu_slot = &possible_cpus->cpus[i]; 981 982 if (!cpu_slot->props.has_node_id) { 983 /* fetch default mapping from board and enable it */ 984 CpuInstanceProperties props = cpu_slot->props; 985 986 props.node_id = mc->get_default_cpu_node_id(machine, i); 987 if (!default_mapping) { 988 /* record slots with not set mapping, 989 * TODO: make it hard error in future */ 990 char *cpu_str = cpu_slot_to_string(cpu_slot); 991 g_string_append_printf(s, "%sCPU %d [%s]", 992 s->len ? ", " : "", i, cpu_str); 993 g_free(cpu_str); 994 995 /* non mapped cpus used to fallback to node 0 */ 996 props.node_id = 0; 997 } 998 999 props.has_node_id = true; 1000 machine_set_cpu_numa_node(machine, &props, &error_fatal); 1001 } 1002 } 1003 if (s->len && !qtest_enabled()) { 1004 warn_report("CPU(s) not present in any NUMA nodes: %s", 1005 s->str); 1006 warn_report("All CPU(s) up to maxcpus should be described " 1007 "in NUMA config, ability to start up with partial NUMA " 1008 "mappings is obsoleted and will be removed in future"); 1009 } 1010 g_string_free(s, true); 1011 } 1012 1013 void machine_run_board_init(MachineState *machine) 1014 { 1015 MachineClass *machine_class = MACHINE_GET_CLASS(machine); 1016 1017 numa_complete_configuration(machine); 1018 if (nb_numa_nodes) { 1019 machine_numa_finish_cpu_init(machine); 1020 } 1021 1022 /* If the machine supports the valid_cpu_types check and the user 1023 * specified a CPU with -cpu check here that the user CPU is supported. 1024 */ 1025 if (machine_class->valid_cpu_types && machine->cpu_type) { 1026 ObjectClass *class = object_class_by_name(machine->cpu_type); 1027 int i; 1028 1029 for (i = 0; machine_class->valid_cpu_types[i]; i++) { 1030 if (object_class_dynamic_cast(class, 1031 machine_class->valid_cpu_types[i])) { 1032 /* The user specificed CPU is in the valid field, we are 1033 * good to go. 1034 */ 1035 break; 1036 } 1037 } 1038 1039 if (!machine_class->valid_cpu_types[i]) { 1040 /* The user specified CPU is not valid */ 1041 error_report("Invalid CPU type: %s", machine->cpu_type); 1042 error_printf("The valid types are: %s", 1043 machine_class->valid_cpu_types[0]); 1044 for (i = 1; machine_class->valid_cpu_types[i]; i++) { 1045 error_printf(", %s", machine_class->valid_cpu_types[i]); 1046 } 1047 error_printf("\n"); 1048 1049 exit(1); 1050 } 1051 } 1052 1053 machine_class->init(machine); 1054 } 1055 1056 static const TypeInfo machine_info = { 1057 .name = TYPE_MACHINE, 1058 .parent = TYPE_OBJECT, 1059 .abstract = true, 1060 .class_size = sizeof(MachineClass), 1061 .class_init = machine_class_init, 1062 .class_base_init = machine_class_base_init, 1063 .instance_size = sizeof(MachineState), 1064 .instance_init = machine_initfn, 1065 .instance_finalize = machine_finalize, 1066 }; 1067 1068 static void machine_register_types(void) 1069 { 1070 type_register_static(&machine_info); 1071 } 1072 1073 type_init(machine_register_types) 1074