hw/core/machine.c

   1 /*
   2  * QEMU Machine
   3  *
   4  * Copyright (C) 2014 Red Hat Inc
   5  *
   6  * Authors:
   7  *   Marcel Apfelbaum <marcel.a@redhat.com>
   8  *
   9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
  10  * See the COPYING file in the top-level directory.
  11  */
  12
  13 #include "qemu/osdep.h"
  14 #include "qemu/units.h"
  15 #include "hw/boards.h"
  16 #include "qapi/error.h"
  17 #include "qapi/qapi-visit-common.h"
  18 #include "qapi/visitor.h"
  19 #include "hw/sysbus.h"
  20 #include "sysemu/sysemu.h"
  21 #include "sysemu/numa.h"
  22 #include "qemu/error-report.h"
  23 #include "sysemu/qtest.h"
  24 #include "hw/pci/pci.h"
  25
  26 GlobalProperty hw_compat_3_1[] = {
  27     { "pcie-root-port", "x-speed", "2_5" },
  28     { "pcie-root-port", "x-width", "1" },
  29     { "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
  30     { "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
  31     { "tpm-crb", "ppi", "false" },
  32     { "tpm-tis", "ppi", "false" },
  33     { "usb-kbd", "serial", "42" },
  34     { "usb-mouse", "serial", "42" },
  35     { "usb-kbd", "serial", "42" },
  36 };
  37 const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
  38
  39 GlobalProperty hw_compat_3_0[] = {};
  40 const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
  41
  42 GlobalProperty hw_compat_2_12[] = {
  43     { "migration", "decompress-error-check", "off" },
  44     { "hda-audio", "use-timer", "false" },
  45     { "cirrus-vga", "global-vmstate", "true" },
  46     { "VGA", "global-vmstate", "true" },
  47     { "vmware-svga", "global-vmstate", "true" },
  48     { "qxl-vga", "global-vmstate", "true" },
  49 };
  50 const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12);
  51
  52 GlobalProperty hw_compat_2_11[] = {
  53     { "hpet", "hpet-offset-saved", "false" },
  54     { "virtio-blk-pci", "vectors", "2" },
  55     { "vhost-user-blk-pci", "vectors", "2" },
  56     { "e1000", "migrate_tso_props", "off" },
  57 };
  58 const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11);
  59
  60 GlobalProperty hw_compat_2_10[] = {
  61     { "virtio-mouse-device", "wheel-axis", "false" },
  62     { "virtio-tablet-device", "wheel-axis", "false" },
  63 };
  64 const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
  65
  66 GlobalProperty hw_compat_2_9[] = {
  67     { "pci-bridge", "shpc", "off" },
  68     { "intel-iommu", "pt", "off" },
  69     { "virtio-net-device", "x-mtu-bypass-backend", "off" },
  70     { "pcie-root-port", "x-migrate-msix", "false" },
  71 };
  72 const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
  73
  74 GlobalProperty hw_compat_2_8[] = {
  75     { "fw_cfg_mem", "x-file-slots", "0x10" },
  76     { "fw_cfg_io", "x-file-slots", "0x10" },
  77     { "pflash_cfi01", "old-multiple-chip-handling", "on" },
  78     { "pci-bridge", "shpc", "on" },
  79     { TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" },
  80     { "virtio-pci", "x-pcie-deverr-init", "off" },
  81     { "virtio-pci", "x-pcie-lnkctl-init", "off" },
  82     { "virtio-pci", "x-pcie-pm-init", "off" },
  83     { "cirrus-vga", "vgamem_mb", "8" },
  84     { "isa-cirrus-vga", "vgamem_mb", "8" },
  85 };
  86 const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8);
  87
  88 GlobalProperty hw_compat_2_7[] = {
  89     { "virtio-pci", "page-per-vq", "on" },
  90     { "virtio-serial-device", "emergency-write", "off" },
  91     { "ioapic", "version", "0x11" },
  92     { "intel-iommu", "x-buggy-eim", "true" },
  93     { "virtio-pci", "x-ignore-backend-features", "on" },
  94 };
  95 const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
  96
  97 GlobalProperty hw_compat_2_6[] = {
  98     { "virtio-mmio", "format_transport_address", "off" },
  99     /* Optional because not all virtio-pci devices support legacy mode */
 100     { "virtio-pci", "disable-modern", "on",  .optional = true },
 101     { "virtio-pci", "disable-legacy", "off", .optional = true },
 102 };
 103 const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);
 104
 105 GlobalProperty hw_compat_2_5[] = {
 106     { "isa-fdc", "fallback", "144" },
 107     { "pvscsi", "x-old-pci-configuration", "on" },
 108     { "pvscsi", "x-disable-pcie", "on" },
 109     { "vmxnet3", "x-old-msi-offsets", "on" },
 110     { "vmxnet3", "x-disable-pcie", "on" },
 111 };
 112 const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5);
 113
 114 GlobalProperty hw_compat_2_4[] = {
 115     { "virtio-blk-device", "scsi", "true" },
 116     { "e1000", "extra_mac_registers", "off" },
 117     { "virtio-pci", "x-disable-pcie", "on" },
 118     { "virtio-pci", "migrate-extra", "off" },
 119     { "fw_cfg_mem", "dma_enabled", "off" },
 120     { "fw_cfg_io", "dma_enabled", "off" }
 121 };
 122 const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4);
 123
 124 GlobalProperty hw_compat_2_3[] = {
 125     { "virtio-blk-pci", "any_layout", "off" },
 126     { "virtio-balloon-pci", "any_layout", "off" },
 127     { "virtio-serial-pci", "any_layout", "off" },
 128     { "virtio-9p-pci", "any_layout", "off" },
 129     { "virtio-rng-pci", "any_layout", "off" },
 130     { TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" },
 131     { "migration", "send-configuration", "off" },
 132     { "migration", "send-section-footer", "off" },
 133     { "migration", "store-global-state", "off" },
 134 };
 135 const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
 136
 137 GlobalProperty hw_compat_2_2[] = {};
 138 const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
 139
 140 GlobalProperty hw_compat_2_1[] = {
 141     { "intel-hda", "old_msi_addr", "on" },
 142     { "VGA", "qemu-extended-regs", "off" },
 143     { "secondary-vga", "qemu-extended-regs", "off" },
 144     { "virtio-scsi-pci", "any_layout", "off" },
 145     { "usb-mouse", "usb_version", "1" },
 146     { "usb-kbd", "usb_version", "1" },
 147     { "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
 148 };
 149 const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
 150
 151 static char *machine_get_accel(Object *obj, Error **errp)
 152 {
 153     MachineState *ms = MACHINE(obj);
 154
 155     return g_strdup(ms->accel);
 156 }
 157
 158 static void machine_set_accel(Object *obj, const char *value, Error **errp)
 159 {
 160     MachineState *ms = MACHINE(obj);
 161
 162     g_free(ms->accel);
 163     ms->accel = g_strdup(value);
 164 }
 165
 166 static void machine_set_kernel_irqchip(Object *obj, Visitor *v,
 167                                        const char *name, void *opaque,
 168                                        Error **errp)
 169 {
 170     Error *err = NULL;
 171     MachineState *ms = MACHINE(obj);
 172     OnOffSplit mode;
 173
 174     visit_type_OnOffSplit(v, name, &mode, &err);
 175     if (err) {
 176         error_propagate(errp, err);
 177         return;
 178     } else {
 179         switch (mode) {
 180         case ON_OFF_SPLIT_ON:
 181             ms->kernel_irqchip_allowed = true;
 182             ms->kernel_irqchip_required = true;
 183             ms->kernel_irqchip_split = false;
 184             break;
 185         case ON_OFF_SPLIT_OFF:
 186             ms->kernel_irqchip_allowed = false;
 187             ms->kernel_irqchip_required = false;
 188             ms->kernel_irqchip_split = false;
 189             break;
 190         case ON_OFF_SPLIT_SPLIT:
 191             ms->kernel_irqchip_allowed = true;
 192             ms->kernel_irqchip_required = true;
 193             ms->kernel_irqchip_split = true;
 194             break;
 195         default:
 196             /* The value was checked in visit_type_OnOffSplit() above. If
 197              * we get here, then something is wrong in QEMU.
 198              */
 199             abort();
 200         }
 201     }
 202 }
 203
 204 static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
 205                                        const char *name, void *opaque,
 206                                        Error **errp)
 207 {
 208     MachineState *ms = MACHINE(obj);
 209     int64_t value = ms->kvm_shadow_mem;
 210
 211     visit_type_int(v, name, &value, errp);
 212 }
 213
 214 static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
 215                                        const char *name, void *opaque,
 216                                        Error **errp)
 217 {
 218     MachineState *ms = MACHINE(obj);
 219     Error *error = NULL;
 220     int64_t value;
 221
 222     visit_type_int(v, name, &value, &error);
 223     if (error) {
 224         error_propagate(errp, error);
 225         return;
 226     }
 227
 228     ms->kvm_shadow_mem = value;
 229 }
 230
 231 static char *machine_get_kernel(Object *obj, Error **errp)
 232 {
 233     MachineState *ms = MACHINE(obj);
 234
 235     return g_strdup(ms->kernel_filename);
 236 }
 237
 238 static void machine_set_kernel(Object *obj, const char *value, Error **errp)
 239 {
 240     MachineState *ms = MACHINE(obj);
 241
 242     g_free(ms->kernel_filename);
 243     ms->kernel_filename = g_strdup(value);
 244 }
 245
 246 static char *machine_get_initrd(Object *obj, Error **errp)
 247 {
 248     MachineState *ms = MACHINE(obj);
 249
 250     return g_strdup(ms->initrd_filename);
 251 }
 252
 253 static void machine_set_initrd(Object *obj, const char *value, Error **errp)
 254 {
 255     MachineState *ms = MACHINE(obj);
 256
 257     g_free(ms->initrd_filename);
 258     ms->initrd_filename = g_strdup(value);
 259 }
 260
 261 static char *machine_get_append(Object *obj, Error **errp)
 262 {
 263     MachineState *ms = MACHINE(obj);
 264
 265     return g_strdup(ms->kernel_cmdline);
 266 }
 267
 268 static void machine_set_append(Object *obj, const char *value, Error **errp)
 269 {
 270     MachineState *ms = MACHINE(obj);
 271
 272     g_free(ms->kernel_cmdline);
 273     ms->kernel_cmdline = g_strdup(value);
 274 }
 275
 276 static char *machine_get_dtb(Object *obj, Error **errp)
 277 {
 278     MachineState *ms = MACHINE(obj);
 279
 280     return g_strdup(ms->dtb);
 281 }
 282
 283 static void machine_set_dtb(Object *obj, const char *value, Error **errp)
 284 {
 285     MachineState *ms = MACHINE(obj);
 286
 287     g_free(ms->dtb);
 288     ms->dtb = g_strdup(value);
 289 }
 290
 291 static char *machine_get_dumpdtb(Object *obj, Error **errp)
 292 {
 293     MachineState *ms = MACHINE(obj);
 294
 295     return g_strdup(ms->dumpdtb);
 296 }
 297
 298 static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
 299 {
 300     MachineState *ms = MACHINE(obj);
 301
 302     g_free(ms->dumpdtb);
 303     ms->dumpdtb = g_strdup(value);
 304 }
 305
 306 static void machine_get_phandle_start(Object *obj, Visitor *v,
 307                                       const char *name, void *opaque,
 308                                       Error **errp)
 309 {
 310     MachineState *ms = MACHINE(obj);
 311     int64_t value = ms->phandle_start;
 312
 313     visit_type_int(v, name, &value, errp);
 314 }
 315
 316 static void machine_set_phandle_start(Object *obj, Visitor *v,
 317                                       const char *name, void *opaque,
 318                                       Error **errp)
 319 {
 320     MachineState *ms = MACHINE(obj);
 321     Error *error = NULL;
 322     int64_t value;
 323
 324     visit_type_int(v, name, &value, &error);
 325     if (error) {
 326         error_propagate(errp, error);
 327         return;
 328     }
 329
 330     ms->phandle_start = value;
 331 }
 332
 333 static char *machine_get_dt_compatible(Object *obj, Error **errp)
 334 {
 335     MachineState *ms = MACHINE(obj);
 336
 337     return g_strdup(ms->dt_compatible);
 338 }
 339
 340 static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
 341 {
 342     MachineState *ms = MACHINE(obj);
 343
 344     g_free(ms->dt_compatible);
 345     ms->dt_compatible = g_strdup(value);
 346 }
 347
 348 static bool machine_get_dump_guest_core(Object *obj, Error **errp)
 349 {
 350     MachineState *ms = MACHINE(obj);
 351
 352     return ms->dump_guest_core;
 353 }
 354
 355 static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
 356 {
 357     MachineState *ms = MACHINE(obj);
 358
 359     ms->dump_guest_core = value;
 360 }
 361
 362 static bool machine_get_mem_merge(Object *obj, Error **errp)
 363 {
 364     MachineState *ms = MACHINE(obj);
 365
 366     return ms->mem_merge;
 367 }
 368
 369 static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
 370 {
 371     MachineState *ms = MACHINE(obj);
 372
 373     ms->mem_merge = value;
 374 }
 375
 376 static bool machine_get_usb(Object *obj, Error **errp)
 377 {
 378     MachineState *ms = MACHINE(obj);
 379
 380     return ms->usb;
 381 }
 382
 383 static void machine_set_usb(Object *obj, bool value, Error **errp)
 384 {
 385     MachineState *ms = MACHINE(obj);
 386
 387     ms->usb = value;
 388     ms->usb_disabled = !value;
 389 }
 390
 391 static bool machine_get_graphics(Object *obj, Error **errp)
 392 {
 393     MachineState *ms = MACHINE(obj);
 394
 395     return ms->enable_graphics;
 396 }
 397
 398 static void machine_set_graphics(Object *obj, bool value, Error **errp)
 399 {
 400     MachineState *ms = MACHINE(obj);
 401
 402     ms->enable_graphics = value;
 403 }
 404
 405 static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp)
 406 {
 407     MachineState *ms = MACHINE(obj);
 408
 409     return ms->igd_gfx_passthru;
 410 }
 411
 412 static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
 413 {
 414     MachineState *ms = MACHINE(obj);
 415
 416     ms->igd_gfx_passthru = value;
 417 }
 418
 419 static char *machine_get_firmware(Object *obj, Error **errp)
 420 {
 421     MachineState *ms = MACHINE(obj);
 422
 423     return g_strdup(ms->firmware);
 424 }
 425
 426 static void machine_set_firmware(Object *obj, const char *value, Error **errp)
 427 {
 428     MachineState *ms = MACHINE(obj);
 429
 430     g_free(ms->firmware);
 431     ms->firmware = g_strdup(value);
 432 }
 433
 434 static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
 435 {
 436     MachineState *ms = MACHINE(obj);
 437
 438     ms->suppress_vmdesc = value;
 439 }
 440
 441 static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
 442 {
 443     MachineState *ms = MACHINE(obj);
 444
 445     return ms->suppress_vmdesc;
 446 }
 447
 448 static void machine_set_enforce_config_section(Object *obj, bool value,
 449                                              Error **errp)
 450 {
 451     MachineState *ms = MACHINE(obj);
 452
 453     warn_report("enforce-config-section is deprecated, please use "
 454                 "-global migration.send-configuration=on|off instead");
 455
 456     ms->enforce_config_section = value;
 457 }
 458
 459 static bool machine_get_enforce_config_section(Object *obj, Error **errp)
 460 {
 461     MachineState *ms = MACHINE(obj);
 462
 463     return ms->enforce_config_section;
 464 }
 465
 466 static char *machine_get_memory_encryption(Object *obj, Error **errp)
 467 {
 468     MachineState *ms = MACHINE(obj);
 469
 470     return g_strdup(ms->memory_encryption);
 471 }
 472
 473 static void machine_set_memory_encryption(Object *obj, const char *value,
 474                                         Error **errp)
 475 {
 476     MachineState *ms = MACHINE(obj);
 477
 478     g_free(ms->memory_encryption);
 479     ms->memory_encryption = g_strdup(value);
 480 }
 481
 482 void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type)
 483 {
 484     strList *item = g_new0(strList, 1);
 485
 486     item->value = g_strdup(type);
 487     item->next = mc->allowed_dynamic_sysbus_devices;
 488     mc->allowed_dynamic_sysbus_devices = item;
 489 }
 490
 491 static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque)
 492 {
 493     MachineState *machine = opaque;
 494     MachineClass *mc = MACHINE_GET_CLASS(machine);
 495     bool allowed = false;
 496     strList *wl;
 497
 498     for (wl = mc->allowed_dynamic_sysbus_devices;
 499          !allowed && wl;
 500          wl = wl->next) {
 501         allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value);
 502     }
 503
 504     if (!allowed) {
 505         error_report("Option '-device %s' cannot be handled by this machine",
 506                      object_class_get_name(object_get_class(OBJECT(sbdev))));
 507         exit(1);
 508     }
 509 }
 510
 511 static void machine_init_notify(Notifier *notifier, void *data)
 512 {
 513     MachineState *machine = MACHINE(qdev_get_machine());
 514
 515     /*
 516      * Loop through all dynamically created sysbus devices and check if they are
 517      * all allowed.  If a device is not allowed, error out.
 518      */
 519     foreach_dynamic_sysbus_device(validate_sysbus_device, machine);
 520 }
 521
 522 HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
 523 {
 524     int i;
 525     HotpluggableCPUList *head = NULL;
 526     MachineClass *mc = MACHINE_GET_CLASS(machine);
 527
 528     /* force board to initialize possible_cpus if it hasn't been done yet */
 529     mc->possible_cpu_arch_ids(machine);
 530
 531     for (i = 0; i < machine->possible_cpus->len; i++) {
 532         Object *cpu;
 533         HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
 534         HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
 535
 536         cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type);
 537         cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
 538         cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
 539                                    sizeof(*cpu_item->props));
 540
 541         cpu = machine->possible_cpus->cpus[i].cpu;
 542         if (cpu) {
 543             cpu_item->has_qom_path = true;
 544             cpu_item->qom_path = object_get_canonical_path(cpu);
 545         }
 546         list_item->value = cpu_item;
 547         list_item->next = head;
 548         head = list_item;
 549     }
 550     return head;
 551 }
 552
 553 /**
 554  * machine_set_cpu_numa_node:
 555  * @machine: machine object to modify
 556  * @props: specifies which cpu objects to assign to
 557  *         numa node specified by @props.node_id
 558  * @errp: if an error occurs, a pointer to an area to store the error
 559  *
 560  * Associate NUMA node specified by @props.node_id with cpu slots that
 561  * match socket/core/thread-ids specified by @props. It's recommended to use
 562  * query-hotpluggable-cpus.props values to specify affected cpu slots,
 563  * which would lead to exact 1:1 mapping of cpu slots to NUMA node.
 564  *
 565  * However for CLI convenience it's possible to pass in subset of properties,
 566  * which would affect all cpu slots that match it.
 567  * Ex for pc machine:
 568  *    -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
 569  *    -numa cpu,node-id=0,socket_id=0 \
 570  *    -numa cpu,node-id=1,socket_id=1
 571  * will assign all child cores of socket 0 to node 0 and
 572  * of socket 1 to node 1.
 573  *
 574  * On attempt of reassigning (already assigned) cpu slot to another NUMA node,
 575  * return error.
 576  * Empty subset is disallowed and function will return with error in this case.
 577  */
 578 void machine_set_cpu_numa_node(MachineState *machine,
 579                                const CpuInstanceProperties *props, Error **errp)
 580 {
 581     MachineClass *mc = MACHINE_GET_CLASS(machine);
 582     bool match = false;
 583     int i;
 584
 585     if (!mc->possible_cpu_arch_ids) {
 586         error_setg(errp, "mapping of CPUs to NUMA node is not supported");
 587         return;
 588     }
 589
 590     /* disabling node mapping is not supported, forbid it */
 591     assert(props->has_node_id);
 592
 593     /* force board to initialize possible_cpus if it hasn't been done yet */
 594     mc->possible_cpu_arch_ids(machine);
 595
 596     for (i = 0; i < machine->possible_cpus->len; i++) {
 597         CPUArchId *slot = &machine->possible_cpus->cpus[i];
 598
 599         /* reject unsupported by board properties */
 600         if (props->has_thread_id && !slot->props.has_thread_id) {
 601             error_setg(errp, "thread-id is not supported");
 602             return;
 603         }
 604
 605         if (props->has_core_id && !slot->props.has_core_id) {
 606             error_setg(errp, "core-id is not supported");
 607             return;
 608         }
 609
 610         if (props->has_socket_id && !slot->props.has_socket_id) {
 611             error_setg(errp, "socket-id is not supported");
 612             return;
 613         }
 614
 615         /* skip slots with explicit mismatch */
 616         if (props->has_thread_id && props->thread_id != slot->props.thread_id) {
 617                 continue;
 618         }
 619
 620         if (props->has_core_id && props->core_id != slot->props.core_id) {
 621                 continue;
 622         }
 623
 624         if (props->has_socket_id && props->socket_id != slot->props.socket_id) {
 625                 continue;
 626         }
 627
 628         /* reject assignment if slot is already assigned, for compatibility
 629          * of legacy cpu_index mapping with SPAPR core based mapping do not
 630          * error out if cpu thread and matched core have the same node-id */
 631         if (slot->props.has_node_id &&
 632             slot->props.node_id != props->node_id) {
 633             error_setg(errp, "CPU is already assigned to node-id: %" PRId64,
 634                        slot->props.node_id);
 635             return;
 636         }
 637
 638         /* assign slot to node as it's matched '-numa cpu' key */
 639         match = true;
 640         slot->props.node_id = props->node_id;
 641         slot->props.has_node_id = props->has_node_id;
 642     }
 643
 644     if (!match) {
 645         error_setg(errp, "no match found");
 646     }
 647 }
 648
 649 static void machine_class_init(ObjectClass *oc, void *data)
 650 {
 651     MachineClass *mc = MACHINE_CLASS(oc);
 652
 653     /* Default 128 MB as guest ram size */
 654     mc->default_ram_size = 128 * MiB;
 655     mc->rom_file_has_mr = true;
 656
 657     /* numa node memory size aligned on 8MB by default.
 658      * On Linux, each node's border has to be 8MB aligned
 659      */
 660     mc->numa_mem_align_shift = 23;
 661     mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
 662
 663     object_class_property_add_str(oc, "accel",
 664         machine_get_accel, machine_set_accel, &error_abort);
 665     object_class_property_set_description(oc, "accel",
 666         "Accelerator list", &error_abort);
 667
 668     object_class_property_add(oc, "kernel-irqchip", "on|off|split",
 669         NULL, machine_set_kernel_irqchip,
 670         NULL, NULL, &error_abort);
 671     object_class_property_set_description(oc, "kernel-irqchip",
 672         "Configure KVM in-kernel irqchip", &error_abort);
 673
 674     object_class_property_add(oc, "kvm-shadow-mem", "int",
 675         machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem,
 676         NULL, NULL, &error_abort);
 677     object_class_property_set_description(oc, "kvm-shadow-mem",
 678         "KVM shadow MMU size", &error_abort);
 679
 680     object_class_property_add_str(oc, "kernel",
 681         machine_get_kernel, machine_set_kernel, &error_abort);
 682     object_class_property_set_description(oc, "kernel",
 683         "Linux kernel image file", &error_abort);
 684
 685     object_class_property_add_str(oc, "initrd",
 686         machine_get_initrd, machine_set_initrd, &error_abort);
 687     object_class_property_set_description(oc, "initrd",
 688         "Linux initial ramdisk file", &error_abort);
 689
 690     object_class_property_add_str(oc, "append",
 691         machine_get_append, machine_set_append, &error_abort);
 692     object_class_property_set_description(oc, "append",
 693         "Linux kernel command line", &error_abort);
 694
 695     object_class_property_add_str(oc, "dtb",
 696         machine_get_dtb, machine_set_dtb, &error_abort);
 697     object_class_property_set_description(oc, "dtb",
 698         "Linux kernel device tree file", &error_abort);
 699
 700     object_class_property_add_str(oc, "dumpdtb",
 701         machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
 702     object_class_property_set_description(oc, "dumpdtb",
 703         "Dump current dtb to a file and quit", &error_abort);
 704
 705     object_class_property_add(oc, "phandle-start", "int",
 706         machine_get_phandle_start, machine_set_phandle_start,
 707         NULL, NULL, &error_abort);
 708     object_class_property_set_description(oc, "phandle-start",
 709             "The first phandle ID we may generate dynamically", &error_abort);
 710
 711     object_class_property_add_str(oc, "dt-compatible",
 712         machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
 713     object_class_property_set_description(oc, "dt-compatible",
 714         "Overrides the \"compatible\" property of the dt root node",
 715         &error_abort);
 716
 717     object_class_property_add_bool(oc, "dump-guest-core",
 718         machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
 719     object_class_property_set_description(oc, "dump-guest-core",
 720         "Include guest memory in a core dump", &error_abort);
 721
 722     object_class_property_add_bool(oc, "mem-merge",
 723         machine_get_mem_merge, machine_set_mem_merge, &error_abort);
 724     object_class_property_set_description(oc, "mem-merge",
 725         "Enable/disable memory merge support", &error_abort);
 726
 727     object_class_property_add_bool(oc, "usb",
 728         machine_get_usb, machine_set_usb, &error_abort);
 729     object_class_property_set_description(oc, "usb",
 730         "Set on/off to enable/disable usb", &error_abort);
 731
 732     object_class_property_add_bool(oc, "graphics",
 733         machine_get_graphics, machine_set_graphics, &error_abort);
 734     object_class_property_set_description(oc, "graphics",
 735         "Set on/off to enable/disable graphics emulation", &error_abort);
 736
 737     object_class_property_add_bool(oc, "igd-passthru",
 738         machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru,
 739         &error_abort);
 740     object_class_property_set_description(oc, "igd-passthru",
 741         "Set on/off to enable/disable igd passthrou", &error_abort);
 742
 743     object_class_property_add_str(oc, "firmware",
 744         machine_get_firmware, machine_set_firmware,
 745         &error_abort);
 746     object_class_property_set_description(oc, "firmware",
 747         "Firmware image", &error_abort);
 748
 749     object_class_property_add_bool(oc, "suppress-vmdesc",
 750         machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
 751         &error_abort);
 752     object_class_property_set_description(oc, "suppress-vmdesc",
 753         "Set on to disable self-describing migration", &error_abort);
 754
 755     object_class_property_add_bool(oc, "enforce-config-section",
 756         machine_get_enforce_config_section, machine_set_enforce_config_section,
 757         &error_abort);
 758     object_class_property_set_description(oc, "enforce-config-section",
 759         "Set on to enforce configuration section migration", &error_abort);
 760
 761     object_class_property_add_str(oc, "memory-encryption",
 762         machine_get_memory_encryption, machine_set_memory_encryption,
 763         &error_abort);
 764     object_class_property_set_description(oc, "memory-encryption",
 765         "Set memory encryption object to use", &error_abort);
 766 }
 767
 768 static void machine_class_base_init(ObjectClass *oc, void *data)
 769 {
 770     if (!object_class_is_abstract(oc)) {
 771         MachineClass *mc = MACHINE_CLASS(oc);
 772         const char *cname = object_class_get_name(oc);
 773         assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
 774         mc->name = g_strndup(cname,
 775                             strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
 776         mc->compat_props = g_ptr_array_new();
 777     }
 778 }
 779
 780 static void machine_initfn(Object *obj)
 781 {
 782     MachineState *ms = MACHINE(obj);
 783     MachineClass *mc = MACHINE_GET_CLASS(obj);
 784
 785     ms->kernel_irqchip_allowed = true;
 786     ms->kernel_irqchip_split = mc->default_kernel_irqchip_split;
 787     ms->kvm_shadow_mem = -1;
 788     ms->dump_guest_core = true;
 789     ms->mem_merge = true;
 790     ms->enable_graphics = true;
 791
 792     /* Register notifier when init is done for sysbus sanity checks */
 793     ms->sysbus_notifier.notify = machine_init_notify;
 794     qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
 795 }
 796
 797 static void machine_finalize(Object *obj)
 798 {
 799     MachineState *ms = MACHINE(obj);
 800
 801     g_free(ms->accel);
 802     g_free(ms->kernel_filename);
 803     g_free(ms->initrd_filename);
 804     g_free(ms->kernel_cmdline);
 805     g_free(ms->dtb);
 806     g_free(ms->dumpdtb);
 807     g_free(ms->dt_compatible);
 808     g_free(ms->firmware);
 809     g_free(ms->device_memory);
 810 }
 811
 812 bool machine_usb(MachineState *machine)
 813 {
 814     return machine->usb;
 815 }
 816
 817 bool machine_kernel_irqchip_allowed(MachineState *machine)
 818 {
 819     return machine->kernel_irqchip_allowed;
 820 }
 821
 822 bool machine_kernel_irqchip_required(MachineState *machine)
 823 {
 824     return machine->kernel_irqchip_required;
 825 }
 826
 827 bool machine_kernel_irqchip_split(MachineState *machine)
 828 {
 829     return machine->kernel_irqchip_split;
 830 }
 831
 832 int machine_kvm_shadow_mem(MachineState *machine)
 833 {
 834     return machine->kvm_shadow_mem;
 835 }
 836
 837 int machine_phandle_start(MachineState *machine)
 838 {
 839     return machine->phandle_start;
 840 }
 841
 842 bool machine_dump_guest_core(MachineState *machine)
 843 {
 844     return machine->dump_guest_core;
 845 }
 846
 847 bool machine_mem_merge(MachineState *machine)
 848 {
 849     return machine->mem_merge;
 850 }
 851
 852 static char *cpu_slot_to_string(const CPUArchId *cpu)
 853 {
 854     GString *s = g_string_new(NULL);
 855     if (cpu->props.has_socket_id) {
 856         g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id);
 857     }
 858     if (cpu->props.has_core_id) {
 859         if (s->len) {
 860             g_string_append_printf(s, ", ");
 861         }
 862         g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
 863     }
 864     if (cpu->props.has_thread_id) {
 865         if (s->len) {
 866             g_string_append_printf(s, ", ");
 867         }
 868         g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id);
 869     }
 870     return g_string_free(s, false);
 871 }
 872
 873 static void machine_numa_finish_cpu_init(MachineState *machine)
 874 {
 875     int i;
 876     bool default_mapping;
 877     GString *s = g_string_new(NULL);
 878     MachineClass *mc = MACHINE_GET_CLASS(machine);
 879     const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
 880
 881     assert(nb_numa_nodes);
 882     for (i = 0; i < possible_cpus->len; i++) {
 883         if (possible_cpus->cpus[i].props.has_node_id) {
 884             break;
 885         }
 886     }
 887     default_mapping = (i == possible_cpus->len);
 888
 889     for (i = 0; i < possible_cpus->len; i++) {
 890         const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
 891
 892         if (!cpu_slot->props.has_node_id) {
 893             /* fetch default mapping from board and enable it */
 894             CpuInstanceProperties props = cpu_slot->props;
 895
 896             props.node_id = mc->get_default_cpu_node_id(machine, i);
 897             if (!default_mapping) {
 898                 /* record slots with not set mapping,
 899                  * TODO: make it hard error in future */
 900                 char *cpu_str = cpu_slot_to_string(cpu_slot);
 901                 g_string_append_printf(s, "%sCPU %d [%s]",
 902                                        s->len ? ", " : "", i, cpu_str);
 903                 g_free(cpu_str);
 904
 905                 /* non mapped cpus used to fallback to node 0 */
 906                 props.node_id = 0;
 907             }
 908
 909             props.has_node_id = true;
 910             machine_set_cpu_numa_node(machine, &props, &error_fatal);
 911         }
 912     }
 913     if (s->len && !qtest_enabled()) {
 914         warn_report("CPU(s) not present in any NUMA nodes: %s",
 915                     s->str);
 916         warn_report("All CPU(s) up to maxcpus should be described "
 917                     "in NUMA config, ability to start up with partial NUMA "
 918                     "mappings is obsoleted and will be removed in future");
 919     }
 920     g_string_free(s, true);
 921 }
 922
 923 void machine_run_board_init(MachineState *machine)
 924 {
 925     MachineClass *machine_class = MACHINE_GET_CLASS(machine);
 926
 927     numa_complete_configuration(machine);
 928     if (nb_numa_nodes) {
 929         machine_numa_finish_cpu_init(machine);
 930     }
 931
 932     /* If the machine supports the valid_cpu_types check and the user
 933      * specified a CPU with -cpu check here that the user CPU is supported.
 934      */
 935     if (machine_class->valid_cpu_types && machine->cpu_type) {
 936         ObjectClass *class = object_class_by_name(machine->cpu_type);
 937         int i;
 938
 939         for (i = 0; machine_class->valid_cpu_types[i]; i++) {
 940             if (object_class_dynamic_cast(class,
 941                                           machine_class->valid_cpu_types[i])) {
 942                 /* The user specificed CPU is in the valid field, we are
 943                  * good to go.
 944                  */
 945                 break;
 946             }
 947         }
 948
 949         if (!machine_class->valid_cpu_types[i]) {
 950             /* The user specified CPU is not valid */
 951             error_report("Invalid CPU type: %s", machine->cpu_type);
 952             error_printf("The valid types are: %s",
 953                          machine_class->valid_cpu_types[0]);
 954             for (i = 1; machine_class->valid_cpu_types[i]; i++) {
 955                 error_printf(", %s", machine_class->valid_cpu_types[i]);
 956             }
 957             error_printf("\n");
 958
 959             exit(1);
 960         }
 961     }
 962
 963     machine_class->init(machine);
 964 }
 965
 966 static const TypeInfo machine_info = {
 967     .name = TYPE_MACHINE,
 968     .parent = TYPE_OBJECT,
 969     .abstract = true,
 970     .class_size = sizeof(MachineClass),
 971     .class_init    = machine_class_init,
 972     .class_base_init = machine_class_base_init,
 973     .instance_size = sizeof(MachineState),
 974     .instance_init = machine_initfn,
 975     .instance_finalize = machine_finalize,
 976 };
 977
 978 static void machine_register_types(void)
 979 {
 980     type_register_static(&machine_info);
 981 }
 982
 983 type_init(machine_register_types)