1# -*- Mode: Python -*- 2# vim: filetype=python 3# 4# This work is licensed under the terms of the GNU GPL, version 2 or later. 5# See the COPYING file in the top-level directory. 6 7## 8# = Machines 9## 10 11{ 'include': 'common.json' } 12{ 'include': 'machine-common.json' } 13 14## 15# @SysEmuTarget: 16# 17# The comprehensive enumeration of QEMU system emulation ("softmmu") 18# targets. Run "./configure --help" in the project root directory, 19# and look for the \*-softmmu targets near the "--target-list" option. 20# The individual target constants are not documented here, for the 21# time being. 22# 23# @rx: since 5.0 24# 25# @avr: since 5.1 26# 27# Notes: The resulting QMP strings can be appended to the 28# "qemu-system-" prefix to produce the corresponding QEMU 29# executable name. This is true even for "qemu-system-x86_64". 30# 31# Since: 3.0 32## 33{ 'enum' : 'SysEmuTarget', 34 'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'cris', 'hppa', 'i386', 35 'loongarch64', 'm68k', 'microblaze', 'microblazeel', 'mips', 'mips64', 36 'mips64el', 'mipsel', 'or1k', 'ppc', 37 'ppc64', 'riscv32', 'riscv64', 'rx', 's390x', 'sh4', 38 'sh4eb', 'sparc', 'sparc64', 'tricore', 39 'x86_64', 'xtensa', 'xtensaeb' ] } 40 41## 42# @CpuS390State: 43# 44# An enumeration of cpu states that can be assumed by a virtual S390 45# CPU 46# 47# Since: 2.12 48## 49{ 'enum': 'CpuS390State', 50 'prefix': 'S390_CPU_STATE', 51 'data': [ 'uninitialized', 'stopped', 'check-stop', 'operating', 'load' ] } 52 53## 54# @CpuInfoS390: 55# 56# Additional information about a virtual S390 CPU 57# 58# @cpu-state: the virtual CPU's state 59# 60# @dedicated: the virtual CPU's dedication (since 8.2) 61# 62# @entitlement: the virtual CPU's entitlement (since 8.2) 63# 64# Since: 2.12 65## 66{ 'struct': 'CpuInfoS390', 67 'data': { 'cpu-state': 'CpuS390State', 68 '*dedicated': 'bool', 69 '*entitlement': 'CpuS390Entitlement' } } 70 71## 72# @CpuInfoFast: 73# 74# Information about a virtual CPU 75# 76# @cpu-index: index of the virtual CPU 77# 78# @qom-path: path to the CPU object in the QOM tree 79# 80# @thread-id: ID of the underlying host thread 81# 82# @props: properties associated with a virtual CPU, e.g. the socket id 83# 84# @target: the QEMU system emulation target, which determines which 85# additional fields will be listed (since 3.0) 86# 87# Since: 2.12 88## 89{ 'union' : 'CpuInfoFast', 90 'base' : { 'cpu-index' : 'int', 91 'qom-path' : 'str', 92 'thread-id' : 'int', 93 '*props' : 'CpuInstanceProperties', 94 'target' : 'SysEmuTarget' }, 95 'discriminator' : 'target', 96 'data' : { 's390x' : 'CpuInfoS390' } } 97 98## 99# @query-cpus-fast: 100# 101# Returns information about all virtual CPUs. 102# 103# Returns: list of @CpuInfoFast 104# 105# Since: 2.12 106# 107# Example: 108# 109# -> { "execute": "query-cpus-fast" } 110# <- { "return": [ 111# { 112# "thread-id": 25627, 113# "props": { 114# "core-id": 0, 115# "thread-id": 0, 116# "socket-id": 0 117# }, 118# "qom-path": "/machine/unattached/device[0]", 119# "target":"x86_64", 120# "cpu-index": 0 121# }, 122# { 123# "thread-id": 25628, 124# "props": { 125# "core-id": 0, 126# "thread-id": 0, 127# "socket-id": 1 128# }, 129# "qom-path": "/machine/unattached/device[2]", 130# "target":"x86_64", 131# "cpu-index": 1 132# } 133# ] 134# } 135## 136{ 'command': 'query-cpus-fast', 'returns': [ 'CpuInfoFast' ] } 137 138## 139# @CompatProperty: 140# 141# Property default values specific to a machine type, for use by 142# scripts/compare-machine-types. 143# 144# @qom-type: name of the QOM type to which the default applies 145# 146# @property: name of its property to which the default applies 147# 148# @value: the default value (machine-specific default can overwrite 149# the "default" default, to avoid this use -machine none) 150# 151# Since: 9.1 152## 153{ 'struct': 'CompatProperty', 154 'data': { 'qom-type': 'str', 155 'property': 'str', 156 'value': 'str' } } 157 158## 159# @MachineInfo: 160# 161# Information describing a machine. 162# 163# @name: the name of the machine 164# 165# @alias: an alias for the machine name 166# 167# @is-default: whether the machine is default 168# 169# @cpu-max: maximum number of CPUs supported by the machine type 170# (since 1.5) 171# 172# @hotpluggable-cpus: cpu hotplug via -device is supported (since 2.7) 173# 174# @numa-mem-supported: true if '-numa node,mem' option is supported by 175# the machine type and false otherwise (since 4.1) 176# 177# @deprecated: if true, the machine type is deprecated and may be 178# removed in future versions of QEMU according to the QEMU 179# deprecation policy (since 4.1) 180# 181# @default-cpu-type: default CPU model typename if none is requested 182# via the -cpu argument. (since 4.2) 183# 184# @default-ram-id: the default ID of initial RAM memory backend (since 185# 5.2) 186# 187# @acpi: machine type supports ACPI (since 8.0) 188# 189# @compat-props: The machine type's compatibility properties. Only 190# present when query-machines argument @compat-props is true. 191# (since 9.1) 192# 193# Features: 194# 195# @unstable: Member @compat-props is experimental. 196# 197# Since: 1.2 198## 199{ 'struct': 'MachineInfo', 200 'data': { 'name': 'str', '*alias': 'str', 201 '*is-default': 'bool', 'cpu-max': 'int', 202 'hotpluggable-cpus': 'bool', 'numa-mem-supported': 'bool', 203 'deprecated': 'bool', '*default-cpu-type': 'str', 204 '*default-ram-id': 'str', 'acpi': 'bool', 205 '*compat-props': { 'type': ['CompatProperty'], 206 'features': ['unstable'] } } } 207 208## 209# @query-machines: 210# 211# Return a list of supported machines 212# 213# @compat-props: if true, also return compatibility properties. 214# (default: false) (since 9.1) 215# 216# Features: 217# 218# @unstable: Argument @compat-props is experimental. 219# 220# Returns: a list of MachineInfo 221# 222# Since: 1.2 223# 224# Example: 225# 226# -> { "execute": "query-machines", "arguments": { "compat-props": true } } 227# <- { "return": [ 228# { 229# "hotpluggable-cpus": true, 230# "name": "pc-q35-6.2", 231# "compat-props": [ 232# { 233# "qom-type": "virtio-mem", 234# "property": "unplugged-inaccessible", 235# "value": "off" 236# } 237# ], 238# "numa-mem-supported": false, 239# "default-cpu-type": "qemu64-x86_64-cpu", 240# "cpu-max": 288, 241# "deprecated": false, 242# "default-ram-id": "pc.ram" 243# }, 244# ... 245# } 246## 247{ 'command': 'query-machines', 248 'data': { '*compat-props': { 'type': 'bool', 249 'features': [ 'unstable' ] } }, 250 'returns': ['MachineInfo'] } 251 252## 253# @CurrentMachineParams: 254# 255# Information describing the running machine parameters. 256# 257# @wakeup-suspend-support: true if the machine supports wake up from 258# suspend 259# 260# Since: 4.0 261## 262{ 'struct': 'CurrentMachineParams', 263 'data': { 'wakeup-suspend-support': 'bool'} } 264 265## 266# @query-current-machine: 267# 268# Return information on the current virtual machine. 269# 270# Returns: CurrentMachineParams 271# 272# Since: 4.0 273## 274{ 'command': 'query-current-machine', 'returns': 'CurrentMachineParams' } 275 276## 277# @TargetInfo: 278# 279# Information describing the QEMU target. 280# 281# @arch: the target architecture 282# 283# Since: 1.2 284## 285{ 'struct': 'TargetInfo', 286 'data': { 'arch': 'SysEmuTarget' } } 287 288## 289# @query-target: 290# 291# Return information about the target for this QEMU 292# 293# Returns: TargetInfo 294# 295# Since: 1.2 296## 297{ 'command': 'query-target', 'returns': 'TargetInfo' } 298 299## 300# @UuidInfo: 301# 302# Guest UUID information (Universally Unique Identifier). 303# 304# @UUID: the UUID of the guest 305# 306# Since: 0.14 307# 308# Notes: If no UUID was specified for the guest, a null UUID is 309# returned. 310## 311{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} } 312 313## 314# @query-uuid: 315# 316# Query the guest UUID information. 317# 318# Returns: The @UuidInfo for the guest 319# 320# Since: 0.14 321# 322# Example: 323# 324# -> { "execute": "query-uuid" } 325# <- { "return": { "UUID": "550e8400-e29b-41d4-a716-446655440000" } } 326## 327{ 'command': 'query-uuid', 'returns': 'UuidInfo', 'allow-preconfig': true } 328 329## 330# @GuidInfo: 331# 332# GUID information. 333# 334# @guid: the globally unique identifier 335# 336# Since: 2.9 337## 338{ 'struct': 'GuidInfo', 'data': {'guid': 'str'} } 339 340## 341# @query-vm-generation-id: 342# 343# Show Virtual Machine Generation ID 344# 345# Since: 2.9 346## 347{ 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' } 348 349## 350# @system_reset: 351# 352# Performs a hard reset of a guest. 353# 354# Since: 0.14 355# 356# Example: 357# 358# -> { "execute": "system_reset" } 359# <- { "return": {} } 360## 361{ 'command': 'system_reset' } 362 363## 364# @system_powerdown: 365# 366# Requests that a guest perform a powerdown operation. 367# 368# Since: 0.14 369# 370# Notes: A guest may or may not respond to this command. This command 371# returning does not indicate that a guest has accepted the 372# request or that it has shut down. Many guests will respond to 373# this command by prompting the user in some way. 374# 375# Example: 376# 377# -> { "execute": "system_powerdown" } 378# <- { "return": {} } 379## 380{ 'command': 'system_powerdown' } 381 382## 383# @system_wakeup: 384# 385# Wake up guest from suspend. If the guest has wake-up from suspend 386# support enabled (wakeup-suspend-support flag from 387# query-current-machine), wake-up guest from suspend if the guest is 388# in SUSPENDED state. Return an error otherwise. 389# 390# Since: 1.1 391# 392# Note: prior to 4.0, this command does nothing in case the guest 393# isn't suspended. 394# 395# Example: 396# 397# -> { "execute": "system_wakeup" } 398# <- { "return": {} } 399## 400{ 'command': 'system_wakeup' } 401 402## 403# @LostTickPolicy: 404# 405# Policy for handling lost ticks in timer devices. Ticks end up 406# getting lost when, for example, the guest is paused. 407# 408# @discard: throw away the missed ticks and continue with future 409# injection normally. The guest OS will see the timer jump ahead 410# by a potentially quite significant amount all at once, as if the 411# intervening chunk of time had simply not existed; needless to 412# say, such a sudden jump can easily confuse a guest OS which is 413# not specifically prepared to deal with it. Assuming the guest 414# OS can deal correctly with the time jump, the time in the guest 415# and in the host should now match. 416# 417# @delay: continue to deliver ticks at the normal rate. The guest OS 418# will not notice anything is amiss, as from its point of view 419# time will have continued to flow normally. The time in the 420# guest should now be behind the time in the host by exactly the 421# amount of time during which ticks have been missed. 422# 423# @slew: deliver ticks at a higher rate to catch up with the missed 424# ticks. The guest OS will not notice anything is amiss, as from 425# its point of view time will have continued to flow normally. 426# Once the timer has managed to catch up with all the missing 427# ticks, the time in the guest and in the host should match. 428# 429# Since: 2.0 430## 431{ 'enum': 'LostTickPolicy', 432 'data': ['discard', 'delay', 'slew' ] } 433 434## 435# @inject-nmi: 436# 437# Injects a Non-Maskable Interrupt into the default CPU (x86/s390) or 438# all CPUs (ppc64). The command fails when the guest doesn't support 439# injecting. 440# 441# Since: 0.14 442# 443# Note: prior to 2.1, this command was only supported for x86 and s390 444# VMs 445# 446# Example: 447# 448# -> { "execute": "inject-nmi" } 449# <- { "return": {} } 450## 451{ 'command': 'inject-nmi' } 452 453## 454# @KvmInfo: 455# 456# Information about support for KVM acceleration 457# 458# @enabled: true if KVM acceleration is active 459# 460# @present: true if KVM acceleration is built into this executable 461# 462# Since: 0.14 463## 464{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} } 465 466## 467# @query-kvm: 468# 469# Returns information about KVM acceleration 470# 471# Returns: @KvmInfo 472# 473# Since: 0.14 474# 475# Example: 476# 477# -> { "execute": "query-kvm" } 478# <- { "return": { "enabled": true, "present": true } } 479## 480{ 'command': 'query-kvm', 'returns': 'KvmInfo' } 481 482## 483# @NumaOptionsType: 484# 485# @node: NUMA nodes configuration 486# 487# @dist: NUMA distance configuration (since 2.10) 488# 489# @cpu: property based CPU(s) to node mapping (Since: 2.10) 490# 491# @hmat-lb: memory latency and bandwidth information (Since: 5.0) 492# 493# @hmat-cache: memory side cache information (Since: 5.0) 494# 495# Since: 2.1 496## 497{ 'enum': 'NumaOptionsType', 498 'data': [ 'node', 'dist', 'cpu', 'hmat-lb', 'hmat-cache' ] } 499 500## 501# @NumaOptions: 502# 503# A discriminated record of NUMA options. (for OptsVisitor) 504# 505# @type: NUMA option type 506# 507# Since: 2.1 508## 509{ 'union': 'NumaOptions', 510 'base': { 'type': 'NumaOptionsType' }, 511 'discriminator': 'type', 512 'data': { 513 'node': 'NumaNodeOptions', 514 'dist': 'NumaDistOptions', 515 'cpu': 'NumaCpuOptions', 516 'hmat-lb': 'NumaHmatLBOptions', 517 'hmat-cache': 'NumaHmatCacheOptions' }} 518 519## 520# @NumaNodeOptions: 521# 522# Create a guest NUMA node. (for OptsVisitor) 523# 524# @nodeid: NUMA node ID (increase by 1 from 0 if omitted) 525# 526# @cpus: VCPUs belonging to this node (assign VCPUS round-robin if 527# omitted) 528# 529# @mem: memory size of this node; mutually exclusive with @memdev. 530# Equally divide total memory among nodes if both @mem and @memdev 531# are omitted. 532# 533# @memdev: memory backend object. If specified for one node, it must 534# be specified for all nodes. 535# 536# @initiator: defined in ACPI 6.3 Chapter 5.2.27.3 Table 5-145, points 537# to the nodeid which has the memory controller responsible for 538# this NUMA node. This field provides additional information as 539# to the initiator node that is closest (as in directly attached) 540# to this node, and therefore has the best performance (since 5.0) 541# 542# Since: 2.1 543## 544{ 'struct': 'NumaNodeOptions', 545 'data': { 546 '*nodeid': 'uint16', 547 '*cpus': ['uint16'], 548 '*mem': 'size', 549 '*memdev': 'str', 550 '*initiator': 'uint16' }} 551 552## 553# @NumaDistOptions: 554# 555# Set the distance between 2 NUMA nodes. 556# 557# @src: source NUMA node. 558# 559# @dst: destination NUMA node. 560# 561# @val: NUMA distance from source node to destination node. When a 562# node is unreachable from another node, set the distance between 563# them to 255. 564# 565# Since: 2.10 566## 567{ 'struct': 'NumaDistOptions', 568 'data': { 569 'src': 'uint16', 570 'dst': 'uint16', 571 'val': 'uint8' }} 572 573## 574# @CXLFixedMemoryWindowOptions: 575# 576# Create a CXL Fixed Memory Window 577# 578# @size: Size of the Fixed Memory Window in bytes. Must be a multiple 579# of 256MiB. 580# 581# @interleave-granularity: Number of contiguous bytes for which 582# accesses will go to a given interleave target. Accepted values 583# [256, 512, 1k, 2k, 4k, 8k, 16k] 584# 585# @targets: Target root bridge IDs from -device ...,id=<ID> for each 586# root bridge. 587# 588# Since: 7.1 589## 590{ 'struct': 'CXLFixedMemoryWindowOptions', 591 'data': { 592 'size': 'size', 593 '*interleave-granularity': 'size', 594 'targets': ['str'] }} 595 596## 597# @CXLFMWProperties: 598# 599# List of CXL Fixed Memory Windows. 600# 601# @cxl-fmw: List of CXLFixedMemoryWindowOptions 602# 603# Since: 7.1 604## 605{ 'struct' : 'CXLFMWProperties', 606 'data': { 'cxl-fmw': ['CXLFixedMemoryWindowOptions'] } 607} 608 609## 610# @X86CPURegister32: 611# 612# A X86 32-bit register 613# 614# Since: 1.5 615## 616{ 'enum': 'X86CPURegister32', 617 'data': [ 'EAX', 'EBX', 'ECX', 'EDX', 'ESP', 'EBP', 'ESI', 'EDI' ] } 618 619## 620# @X86CPUFeatureWordInfo: 621# 622# Information about a X86 CPU feature word 623# 624# @cpuid-input-eax: Input EAX value for CPUID instruction for that 625# feature word 626# 627# @cpuid-input-ecx: Input ECX value for CPUID instruction for that 628# feature word 629# 630# @cpuid-register: Output register containing the feature bits 631# 632# @features: value of output register, containing the feature bits 633# 634# Since: 1.5 635## 636{ 'struct': 'X86CPUFeatureWordInfo', 637 'data': { 'cpuid-input-eax': 'int', 638 '*cpuid-input-ecx': 'int', 639 'cpuid-register': 'X86CPURegister32', 640 'features': 'int' } } 641 642## 643# @DummyForceArrays: 644# 645# Not used by QMP; hack to let us use X86CPUFeatureWordInfoList 646# internally 647# 648# Since: 2.5 649## 650{ 'struct': 'DummyForceArrays', 651 'data': { 'unused': ['X86CPUFeatureWordInfo'] } } 652 653## 654# @NumaCpuOptions: 655# 656# Option "-numa cpu" overrides default cpu to node mapping. It 657# accepts the same set of cpu properties as returned by 658# query-hotpluggable-cpus[].props, where node-id could be used to 659# override default node mapping. 660# 661# Since: 2.10 662## 663{ 'struct': 'NumaCpuOptions', 664 'base': 'CpuInstanceProperties', 665 'data' : {} } 666 667## 668# @HmatLBMemoryHierarchy: 669# 670# The memory hierarchy in the System Locality Latency and Bandwidth 671# Information Structure of HMAT (Heterogeneous Memory Attribute Table) 672# 673# For more information about @HmatLBMemoryHierarchy, see chapter 674# 5.2.27.4: Table 5-146: Field "Flags" of ACPI 6.3 spec. 675# 676# @memory: the structure represents the memory performance 677# 678# @first-level: first level of memory side cache 679# 680# @second-level: second level of memory side cache 681# 682# @third-level: third level of memory side cache 683# 684# Since: 5.0 685## 686{ 'enum': 'HmatLBMemoryHierarchy', 687 'data': [ 'memory', 'first-level', 'second-level', 'third-level' ] } 688 689## 690# @HmatLBDataType: 691# 692# Data type in the System Locality Latency and Bandwidth Information 693# Structure of HMAT (Heterogeneous Memory Attribute Table) 694# 695# For more information about @HmatLBDataType, see chapter 5.2.27.4: 696# Table 5-146: Field "Data Type" of ACPI 6.3 spec. 697# 698# @access-latency: access latency (nanoseconds) 699# 700# @read-latency: read latency (nanoseconds) 701# 702# @write-latency: write latency (nanoseconds) 703# 704# @access-bandwidth: access bandwidth (Bytes per second) 705# 706# @read-bandwidth: read bandwidth (Bytes per second) 707# 708# @write-bandwidth: write bandwidth (Bytes per second) 709# 710# Since: 5.0 711## 712{ 'enum': 'HmatLBDataType', 713 'data': [ 'access-latency', 'read-latency', 'write-latency', 714 'access-bandwidth', 'read-bandwidth', 'write-bandwidth' ] } 715 716## 717# @NumaHmatLBOptions: 718# 719# Set the system locality latency and bandwidth information between 720# Initiator and Target proximity Domains. 721# 722# For more information about @NumaHmatLBOptions, see chapter 5.2.27.4: 723# Table 5-146 of ACPI 6.3 spec. 724# 725# @initiator: the Initiator Proximity Domain. 726# 727# @target: the Target Proximity Domain. 728# 729# @hierarchy: the Memory Hierarchy. Indicates the performance of 730# memory or side cache. 731# 732# @data-type: presents the type of data, access/read/write latency or 733# hit latency. 734# 735# @latency: the value of latency from @initiator to @target proximity 736# domain, the latency unit is "ns(nanosecond)". 737# 738# @bandwidth: the value of bandwidth between @initiator and @target 739# proximity domain, the bandwidth unit is "Bytes per second". 740# 741# Since: 5.0 742## 743{ 'struct': 'NumaHmatLBOptions', 744 'data': { 745 'initiator': 'uint16', 746 'target': 'uint16', 747 'hierarchy': 'HmatLBMemoryHierarchy', 748 'data-type': 'HmatLBDataType', 749 '*latency': 'uint64', 750 '*bandwidth': 'size' }} 751 752## 753# @HmatCacheAssociativity: 754# 755# Cache associativity in the Memory Side Cache Information Structure 756# of HMAT 757# 758# For more information of @HmatCacheAssociativity, see chapter 759# 5.2.27.5: Table 5-147 of ACPI 6.3 spec. 760# 761# @none: None (no memory side cache in this proximity domain, or cache 762# associativity unknown) 763# 764# @direct: Direct Mapped 765# 766# @complex: Complex Cache Indexing (implementation specific) 767# 768# Since: 5.0 769## 770{ 'enum': 'HmatCacheAssociativity', 771 'data': [ 'none', 'direct', 'complex' ] } 772 773## 774# @HmatCacheWritePolicy: 775# 776# Cache write policy in the Memory Side Cache Information Structure of 777# HMAT 778# 779# For more information of @HmatCacheWritePolicy, see chapter 5.2.27.5: 780# Table 5-147: Field "Cache Attributes" of ACPI 6.3 spec. 781# 782# @none: None (no memory side cache in this proximity domain, or cache 783# write policy unknown) 784# 785# @write-back: Write Back (WB) 786# 787# @write-through: Write Through (WT) 788# 789# Since: 5.0 790## 791{ 'enum': 'HmatCacheWritePolicy', 792 'data': [ 'none', 'write-back', 'write-through' ] } 793 794## 795# @NumaHmatCacheOptions: 796# 797# Set the memory side cache information for a given memory domain. 798# 799# For more information of @NumaHmatCacheOptions, see chapter 5.2.27.5: 800# Table 5-147: Field "Cache Attributes" of ACPI 6.3 spec. 801# 802# @node-id: the memory proximity domain to which the memory belongs. 803# 804# @size: the size of memory side cache in bytes. 805# 806# @level: the cache level described in this structure. 807# 808# @associativity: the cache associativity, 809# none/direct-mapped/complex(complex cache indexing). 810# 811# @policy: the write policy, none/write-back/write-through. 812# 813# @line: the cache Line size in bytes. 814# 815# Since: 5.0 816## 817{ 'struct': 'NumaHmatCacheOptions', 818 'data': { 819 'node-id': 'uint32', 820 'size': 'size', 821 'level': 'uint8', 822 'associativity': 'HmatCacheAssociativity', 823 'policy': 'HmatCacheWritePolicy', 824 'line': 'uint16' }} 825 826## 827# @memsave: 828# 829# Save a portion of guest memory to a file. 830# 831# @val: the virtual address of the guest to start from 832# 833# @size: the size of memory region to save 834# 835# @filename: the file to save the memory to as binary data 836# 837# @cpu-index: the index of the virtual CPU to use for translating the 838# virtual address (defaults to CPU 0) 839# 840# Since: 0.14 841# 842# Notes: Errors were not reliably returned until 1.1 843# 844# Example: 845# 846# -> { "execute": "memsave", 847# "arguments": { "val": 10, 848# "size": 100, 849# "filename": "/tmp/virtual-mem-dump" } } 850# <- { "return": {} } 851## 852{ 'command': 'memsave', 853 'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} } 854 855## 856# @pmemsave: 857# 858# Save a portion of guest physical memory to a file. 859# 860# @val: the physical address of the guest to start from 861# 862# @size: the size of memory region to save 863# 864# @filename: the file to save the memory to as binary data 865# 866# Since: 0.14 867# 868# Notes: Errors were not reliably returned until 1.1 869# 870# Example: 871# 872# -> { "execute": "pmemsave", 873# "arguments": { "val": 10, 874# "size": 100, 875# "filename": "/tmp/physical-mem-dump" } } 876# <- { "return": {} } 877## 878{ 'command': 'pmemsave', 879 'data': {'val': 'int', 'size': 'int', 'filename': 'str'} } 880 881## 882# @Memdev: 883# 884# Information about memory backend 885# 886# @id: backend's ID if backend has 'id' property (since 2.9) 887# 888# @size: memory backend size 889# 890# @merge: whether memory merge support is enabled 891# 892# @dump: whether memory backend's memory is included in a core dump 893# 894# @prealloc: whether memory was preallocated 895# 896# @share: whether memory is private to QEMU or shared (since 6.1) 897# 898# @reserve: whether swap space (or huge pages) was reserved if 899# applicable. This corresponds to the user configuration and not 900# the actual behavior implemented in the OS to perform the 901# reservation. For example, Linux will never reserve swap space 902# for shared file mappings. (since 6.1) 903# 904# @host-nodes: host nodes for its memory policy 905# 906# @policy: memory policy of memory backend 907# 908# Since: 2.1 909## 910{ 'struct': 'Memdev', 911 'data': { 912 '*id': 'str', 913 'size': 'size', 914 'merge': 'bool', 915 'dump': 'bool', 916 'prealloc': 'bool', 917 'share': 'bool', 918 '*reserve': 'bool', 919 'host-nodes': ['uint16'], 920 'policy': 'HostMemPolicy' }} 921 922## 923# @query-memdev: 924# 925# Returns information for all memory backends. 926# 927# Returns: a list of @Memdev. 928# 929# Since: 2.1 930# 931# Example: 932# 933# -> { "execute": "query-memdev" } 934# <- { "return": [ 935# { 936# "id": "mem1", 937# "size": 536870912, 938# "merge": false, 939# "dump": true, 940# "prealloc": false, 941# "share": false, 942# "host-nodes": [0, 1], 943# "policy": "bind" 944# }, 945# { 946# "size": 536870912, 947# "merge": false, 948# "dump": true, 949# "prealloc": true, 950# "share": false, 951# "host-nodes": [2, 3], 952# "policy": "preferred" 953# } 954# ] 955# } 956## 957{ 'command': 'query-memdev', 'returns': ['Memdev'], 'allow-preconfig': true } 958 959## 960# @CpuInstanceProperties: 961# 962# List of properties to be used for hotplugging a CPU instance, it 963# should be passed by management with device_add command when a CPU is 964# being hotplugged. 965# 966# Which members are optional and which mandatory depends on the 967# architecture and board. 968# 969# For s390x see :ref:`cpu-topology-s390x`. 970# 971# The ids other than the node-id specify the position of the CPU 972# within the CPU topology (as defined by the machine property "smp", 973# thus see also type @SMPConfiguration) 974# 975# @node-id: NUMA node ID the CPU belongs to 976# 977# @drawer-id: drawer number within CPU topology the CPU belongs to 978# (since 8.2) 979# 980# @book-id: book number within parent container the CPU belongs to 981# (since 8.2) 982# 983# @socket-id: socket number within parent container the CPU belongs to 984# 985# @die-id: die number within the parent container the CPU belongs to 986# (since 4.1) 987# 988# @cluster-id: cluster number within the parent container the CPU 989# belongs to (since 7.1) 990# 991# @module-id: module number within the parent container the CPU belongs 992# to (since 9.1) 993# 994# @core-id: core number within the parent container the CPU belongs to 995# 996# @thread-id: thread number within the core the CPU belongs to 997# 998# Note: management should be prepared to pass through additional 999# properties with device_add. 1000# 1001# Since: 2.7 1002## 1003{ 'struct': 'CpuInstanceProperties', 1004 # Keep these in sync with the properties device_add accepts 1005 'data': { '*node-id': 'int', 1006 '*drawer-id': 'int', 1007 '*book-id': 'int', 1008 '*socket-id': 'int', 1009 '*die-id': 'int', 1010 '*cluster-id': 'int', 1011 '*module-id': 'int', 1012 '*core-id': 'int', 1013 '*thread-id': 'int' 1014 } 1015} 1016 1017## 1018# @HotpluggableCPU: 1019# 1020# @type: CPU object type for usage with device_add command 1021# 1022# @props: list of properties to be used for hotplugging CPU 1023# 1024# @vcpus-count: number of logical VCPU threads @HotpluggableCPU 1025# provides 1026# 1027# @qom-path: link to existing CPU object if CPU is present or omitted 1028# if CPU is not present. 1029# 1030# Since: 2.7 1031## 1032{ 'struct': 'HotpluggableCPU', 1033 'data': { 'type': 'str', 1034 'vcpus-count': 'int', 1035 'props': 'CpuInstanceProperties', 1036 '*qom-path': 'str' 1037 } 1038} 1039 1040## 1041# @query-hotpluggable-cpus: 1042# 1043# TODO: Better documentation; currently there is none. 1044# 1045# Returns: a list of HotpluggableCPU objects. 1046# 1047# Since: 2.7 1048# 1049# Examples: 1050# 1051# For pseries machine type started with -smp 2,cores=2,maxcpus=4 1052# -cpu POWER8: 1053# 1054# -> { "execute": "query-hotpluggable-cpus" } 1055# <- {"return": [ 1056# { "props": { "core-id": 8 }, "type": "POWER8-spapr-cpu-core", 1057# "vcpus-count": 1 }, 1058# { "props": { "core-id": 0 }, "type": "POWER8-spapr-cpu-core", 1059# "vcpus-count": 1, "qom-path": "/machine/unattached/device[0]"} 1060# ]}' 1061# 1062# For pc machine type started with -smp 1,maxcpus=2: 1063# 1064# -> { "execute": "query-hotpluggable-cpus" } 1065# <- {"return": [ 1066# { 1067# "type": "qemu64-x86_64-cpu", "vcpus-count": 1, 1068# "props": {"core-id": 0, "socket-id": 1, "thread-id": 0} 1069# }, 1070# { 1071# "qom-path": "/machine/unattached/device[0]", 1072# "type": "qemu64-x86_64-cpu", "vcpus-count": 1, 1073# "props": {"core-id": 0, "socket-id": 0, "thread-id": 0} 1074# } 1075# ]} 1076# 1077# For s390x-virtio-ccw machine type started with -smp 1,maxcpus=2 1078# -cpu qemu (Since: 2.11): 1079# 1080# -> { "execute": "query-hotpluggable-cpus" } 1081# <- {"return": [ 1082# { 1083# "type": "qemu-s390x-cpu", "vcpus-count": 1, 1084# "props": { "core-id": 1 } 1085# }, 1086# { 1087# "qom-path": "/machine/unattached/device[0]", 1088# "type": "qemu-s390x-cpu", "vcpus-count": 1, 1089# "props": { "core-id": 0 } 1090# } 1091# ]} 1092## 1093{ 'command': 'query-hotpluggable-cpus', 'returns': ['HotpluggableCPU'], 1094 'allow-preconfig': true } 1095 1096## 1097# @set-numa-node: 1098# 1099# Runtime equivalent of '-numa' CLI option, available at preconfigure 1100# stage to configure numa mapping before initializing machine. 1101# 1102# Since: 3.0 1103## 1104{ 'command': 'set-numa-node', 'boxed': true, 1105 'data': 'NumaOptions', 1106 'allow-preconfig': true 1107} 1108 1109## 1110# @balloon: 1111# 1112# Request the balloon driver to change its balloon size. 1113# 1114# @value: the target logical size of the VM in bytes. We can deduce 1115# the size of the balloon using this formula: 1116# 1117# logical_vm_size = vm_ram_size - balloon_size 1118# 1119# From it we have: balloon_size = vm_ram_size - @value 1120# 1121# Errors: 1122# - If the balloon driver is enabled but not functional because 1123# the KVM kernel module cannot support it, KVMMissingCap 1124# - If no balloon device is present, DeviceNotActive 1125# 1126# Notes: This command just issues a request to the guest. When it 1127# returns, the balloon size may not have changed. A guest can 1128# change the balloon size independent of this command. 1129# 1130# Since: 0.14 1131# 1132# Example: 1133# 1134# -> { "execute": "balloon", "arguments": { "value": 536870912 } } 1135# <- { "return": {} } 1136# 1137# With a 2.5GiB guest this command inflated the ballon to 3GiB. 1138## 1139{ 'command': 'balloon', 'data': {'value': 'int'} } 1140 1141## 1142# @BalloonInfo: 1143# 1144# Information about the guest balloon device. 1145# 1146# @actual: the logical size of the VM in bytes Formula used: 1147# logical_vm_size = vm_ram_size - balloon_size 1148# 1149# Since: 0.14 1150## 1151{ 'struct': 'BalloonInfo', 'data': {'actual': 'int' } } 1152 1153## 1154# @query-balloon: 1155# 1156# Return information about the balloon device. 1157# 1158# Returns: 1159# @BalloonInfo 1160# 1161# Errors: 1162# - If the balloon driver is enabled but not functional because 1163# the KVM kernel module cannot support it, KVMMissingCap 1164# - If no balloon device is present, DeviceNotActive 1165# 1166# Since: 0.14 1167# 1168# Example: 1169# 1170# -> { "execute": "query-balloon" } 1171# <- { "return": { 1172# "actual": 1073741824 1173# } 1174# } 1175## 1176{ 'command': 'query-balloon', 'returns': 'BalloonInfo' } 1177 1178## 1179# @BALLOON_CHANGE: 1180# 1181# Emitted when the guest changes the actual BALLOON level. This value 1182# is equivalent to the @actual field return by the 'query-balloon' 1183# command 1184# 1185# @actual: the logical size of the VM in bytes Formula used: 1186# logical_vm_size = vm_ram_size - balloon_size 1187# 1188# Note: this event is rate-limited. 1189# 1190# Since: 1.2 1191# 1192# Example: 1193# 1194# <- { "event": "BALLOON_CHANGE", 1195# "data": { "actual": 944766976 }, 1196# "timestamp": { "seconds": 1267020223, "microseconds": 435656 } } 1197## 1198{ 'event': 'BALLOON_CHANGE', 1199 'data': { 'actual': 'int' } } 1200 1201## 1202# @HvBalloonInfo: 1203# 1204# hv-balloon guest-provided memory status information. 1205# 1206# @committed: the amount of memory in use inside the guest plus the 1207# amount of the memory unusable inside the guest (ballooned out, 1208# offline, etc.) 1209# 1210# @available: the amount of the memory inside the guest available for 1211# new allocations ("free") 1212# 1213# Since: 8.2 1214## 1215{ 'struct': 'HvBalloonInfo', 1216 'data': { 'committed': 'size', 'available': 'size' } } 1217 1218## 1219# @query-hv-balloon-status-report: 1220# 1221# Returns the hv-balloon driver data contained in the last received 1222# "STATUS" message from the guest. 1223# 1224# Returns: 1225# @HvBalloonInfo 1226# 1227# Errors: 1228# - If no hv-balloon device is present, guest memory status 1229# reporting is not enabled or no guest memory status report 1230# received yet, GenericError 1231# 1232# Since: 8.2 1233# 1234# Example: 1235# 1236# -> { "execute": "query-hv-balloon-status-report" } 1237# <- { "return": { 1238# "committed": 816640000, 1239# "available": 3333054464 1240# } 1241# } 1242## 1243{ 'command': 'query-hv-balloon-status-report', 'returns': 'HvBalloonInfo' } 1244 1245## 1246# @HV_BALLOON_STATUS_REPORT: 1247# 1248# Emitted when the hv-balloon driver receives a "STATUS" message from 1249# the guest. 1250# 1251# Note: this event is rate-limited. 1252# 1253# Since: 8.2 1254# 1255# Example: 1256# 1257# <- { "event": "HV_BALLOON_STATUS_REPORT", 1258# "data": { "committed": 816640000, "available": 3333054464 }, 1259# "timestamp": { "seconds": 1600295492, "microseconds": 661044 } } 1260## 1261{ 'event': 'HV_BALLOON_STATUS_REPORT', 1262 'data': 'HvBalloonInfo' } 1263 1264## 1265# @MemoryInfo: 1266# 1267# Actual memory information in bytes. 1268# 1269# @base-memory: size of "base" memory specified with command line 1270# option -m. 1271# 1272# @plugged-memory: size of memory that can be hot-unplugged. This 1273# field is omitted if target doesn't support memory hotplug (i.e. 1274# CONFIG_MEM_DEVICE not defined at build time). 1275# 1276# Since: 2.11 1277## 1278{ 'struct': 'MemoryInfo', 1279 'data' : { 'base-memory': 'size', '*plugged-memory': 'size' } } 1280 1281## 1282# @query-memory-size-summary: 1283# 1284# Return the amount of initially allocated and present hotpluggable 1285# (if enabled) memory in bytes. 1286# 1287# Example: 1288# 1289# -> { "execute": "query-memory-size-summary" } 1290# <- { "return": { "base-memory": 4294967296, "plugged-memory": 0 } } 1291# 1292# Since: 2.11 1293## 1294{ 'command': 'query-memory-size-summary', 'returns': 'MemoryInfo' } 1295 1296## 1297# @PCDIMMDeviceInfo: 1298# 1299# PCDIMMDevice state information 1300# 1301# @id: device's ID 1302# 1303# @addr: physical address, where device is mapped 1304# 1305# @size: size of memory that the device provides 1306# 1307# @slot: slot number at which device is plugged in 1308# 1309# @node: NUMA node number where device is plugged in 1310# 1311# @memdev: memory backend linked with device 1312# 1313# @hotplugged: true if device was hotplugged 1314# 1315# @hotpluggable: true if device if could be added/removed while 1316# machine is running 1317# 1318# Since: 2.1 1319## 1320{ 'struct': 'PCDIMMDeviceInfo', 1321 'data': { '*id': 'str', 1322 'addr': 'int', 1323 'size': 'int', 1324 'slot': 'int', 1325 'node': 'int', 1326 'memdev': 'str', 1327 'hotplugged': 'bool', 1328 'hotpluggable': 'bool' 1329 } 1330} 1331 1332## 1333# @VirtioPMEMDeviceInfo: 1334# 1335# VirtioPMEM state information 1336# 1337# @id: device's ID 1338# 1339# @memaddr: physical address in memory, where device is mapped 1340# 1341# @size: size of memory that the device provides 1342# 1343# @memdev: memory backend linked with device 1344# 1345# Since: 4.1 1346## 1347{ 'struct': 'VirtioPMEMDeviceInfo', 1348 'data': { '*id': 'str', 1349 'memaddr': 'size', 1350 'size': 'size', 1351 'memdev': 'str' 1352 } 1353} 1354 1355## 1356# @VirtioMEMDeviceInfo: 1357# 1358# VirtioMEMDevice state information 1359# 1360# @id: device's ID 1361# 1362# @memaddr: physical address in memory, where device is mapped 1363# 1364# @requested-size: the user requested size of the device 1365# 1366# @size: the (current) size of memory that the device provides 1367# 1368# @max-size: the maximum size of memory that the device can provide 1369# 1370# @block-size: the block size of memory that the device provides 1371# 1372# @node: NUMA node number where device is assigned to 1373# 1374# @memdev: memory backend linked with the region 1375# 1376# Since: 5.1 1377## 1378{ 'struct': 'VirtioMEMDeviceInfo', 1379 'data': { '*id': 'str', 1380 'memaddr': 'size', 1381 'requested-size': 'size', 1382 'size': 'size', 1383 'max-size': 'size', 1384 'block-size': 'size', 1385 'node': 'int', 1386 'memdev': 'str' 1387 } 1388} 1389 1390## 1391# @SgxEPCDeviceInfo: 1392# 1393# Sgx EPC state information 1394# 1395# @id: device's ID 1396# 1397# @memaddr: physical address in memory, where device is mapped 1398# 1399# @size: size of memory that the device provides 1400# 1401# @memdev: memory backend linked with device 1402# 1403# @node: the numa node (Since: 7.0) 1404# 1405# Since: 6.2 1406## 1407{ 'struct': 'SgxEPCDeviceInfo', 1408 'data': { '*id': 'str', 1409 'memaddr': 'size', 1410 'size': 'size', 1411 'node': 'int', 1412 'memdev': 'str' 1413 } 1414} 1415 1416## 1417# @HvBalloonDeviceInfo: 1418# 1419# hv-balloon provided memory state information 1420# 1421# @id: device's ID 1422# 1423# @memaddr: physical address in memory, where device is mapped 1424# 1425# @max-size: the maximum size of memory that the device can provide 1426# 1427# @memdev: memory backend linked with device 1428# 1429# Since: 8.2 1430## 1431{ 'struct': 'HvBalloonDeviceInfo', 1432 'data': { '*id': 'str', 1433 '*memaddr': 'size', 1434 'max-size': 'size', 1435 '*memdev': 'str' 1436 } 1437} 1438 1439## 1440# @MemoryDeviceInfoKind: 1441# 1442# @nvdimm: since 2.12 1443# 1444# @virtio-pmem: since 4.1 1445# 1446# @virtio-mem: since 5.1 1447# 1448# @sgx-epc: since 6.2. 1449# 1450# @hv-balloon: since 8.2. 1451# 1452# Since: 2.1 1453## 1454{ 'enum': 'MemoryDeviceInfoKind', 1455 'data': [ 'dimm', 'nvdimm', 'virtio-pmem', 'virtio-mem', 'sgx-epc', 1456 'hv-balloon' ] } 1457 1458## 1459# @PCDIMMDeviceInfoWrapper: 1460# 1461# @data: PCDIMMDevice state information 1462# 1463# Since: 2.1 1464## 1465{ 'struct': 'PCDIMMDeviceInfoWrapper', 1466 'data': { 'data': 'PCDIMMDeviceInfo' } } 1467 1468## 1469# @VirtioPMEMDeviceInfoWrapper: 1470# 1471# @data: VirtioPMEM state information 1472# 1473# Since: 2.1 1474## 1475{ 'struct': 'VirtioPMEMDeviceInfoWrapper', 1476 'data': { 'data': 'VirtioPMEMDeviceInfo' } } 1477 1478## 1479# @VirtioMEMDeviceInfoWrapper: 1480# 1481# @data: VirtioMEMDevice state information 1482# 1483# Since: 2.1 1484## 1485{ 'struct': 'VirtioMEMDeviceInfoWrapper', 1486 'data': { 'data': 'VirtioMEMDeviceInfo' } } 1487 1488## 1489# @SgxEPCDeviceInfoWrapper: 1490# 1491# @data: Sgx EPC state information 1492# 1493# Since: 6.2 1494## 1495{ 'struct': 'SgxEPCDeviceInfoWrapper', 1496 'data': { 'data': 'SgxEPCDeviceInfo' } } 1497 1498## 1499# @HvBalloonDeviceInfoWrapper: 1500# 1501# @data: hv-balloon provided memory state information 1502# 1503# Since: 8.2 1504## 1505{ 'struct': 'HvBalloonDeviceInfoWrapper', 1506 'data': { 'data': 'HvBalloonDeviceInfo' } } 1507 1508## 1509# @MemoryDeviceInfo: 1510# 1511# Union containing information about a memory device 1512# 1513# @type: memory device type 1514# 1515# Since: 2.1 1516## 1517{ 'union': 'MemoryDeviceInfo', 1518 'base': { 'type': 'MemoryDeviceInfoKind' }, 1519 'discriminator': 'type', 1520 'data': { 'dimm': 'PCDIMMDeviceInfoWrapper', 1521 'nvdimm': 'PCDIMMDeviceInfoWrapper', 1522 'virtio-pmem': 'VirtioPMEMDeviceInfoWrapper', 1523 'virtio-mem': 'VirtioMEMDeviceInfoWrapper', 1524 'sgx-epc': 'SgxEPCDeviceInfoWrapper', 1525 'hv-balloon': 'HvBalloonDeviceInfoWrapper' 1526 } 1527} 1528 1529## 1530# @SgxEPC: 1531# 1532# Sgx EPC cmdline information 1533# 1534# @memdev: memory backend linked with device 1535# 1536# @node: the numa node (Since: 7.0) 1537# 1538# Since: 6.2 1539## 1540{ 'struct': 'SgxEPC', 1541 'data': { 'memdev': 'str', 1542 'node': 'int' 1543 } 1544} 1545 1546## 1547# @SgxEPCProperties: 1548# 1549# SGX properties of machine types. 1550# 1551# @sgx-epc: list of ids of memory-backend-epc objects. 1552# 1553# Since: 6.2 1554## 1555{ 'struct': 'SgxEPCProperties', 1556 'data': { 'sgx-epc': ['SgxEPC'] } 1557} 1558 1559## 1560# @query-memory-devices: 1561# 1562# Lists available memory devices and their state 1563# 1564# Since: 2.1 1565# 1566# Example: 1567# 1568# -> { "execute": "query-memory-devices" } 1569# <- { "return": [ { "data": 1570# { "addr": 5368709120, 1571# "hotpluggable": true, 1572# "hotplugged": true, 1573# "id": "d1", 1574# "memdev": "/objects/memX", 1575# "node": 0, 1576# "size": 1073741824, 1577# "slot": 0}, 1578# "type": "dimm" 1579# } ] } 1580## 1581{ 'command': 'query-memory-devices', 'returns': ['MemoryDeviceInfo'] } 1582 1583## 1584# @MEMORY_DEVICE_SIZE_CHANGE: 1585# 1586# Emitted when the size of a memory device changes. Only emitted for 1587# memory devices that can actually change the size (e.g., virtio-mem 1588# due to guest action). 1589# 1590# @id: device's ID 1591# 1592# @size: the new size of memory that the device provides 1593# 1594# @qom-path: path to the device object in the QOM tree (since 6.2) 1595# 1596# Note: this event is rate-limited. 1597# 1598# Since: 5.1 1599# 1600# Example: 1601# 1602# <- { "event": "MEMORY_DEVICE_SIZE_CHANGE", 1603# "data": { "id": "vm0", "size": 1073741824, 1604# "qom-path": "/machine/unattached/device[2]" }, 1605# "timestamp": { "seconds": 1588168529, "microseconds": 201316 } } 1606## 1607{ 'event': 'MEMORY_DEVICE_SIZE_CHANGE', 1608 'data': { '*id': 'str', 'size': 'size', 'qom-path' : 'str'} } 1609 1610## 1611# @MEM_UNPLUG_ERROR: 1612# 1613# Emitted when memory hot unplug error occurs. 1614# 1615# @device: device name 1616# 1617# @msg: Informative message 1618# 1619# Features: 1620# 1621# @deprecated: This event is deprecated. Use 1622# @DEVICE_UNPLUG_GUEST_ERROR instead. 1623# 1624# Since: 2.4 1625# 1626# Example: 1627# 1628# <- { "event": "MEM_UNPLUG_ERROR", 1629# "data": { "device": "dimm1", 1630# "msg": "acpi: device unplug for unsupported device" 1631# }, 1632# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } } 1633## 1634{ 'event': 'MEM_UNPLUG_ERROR', 1635 'data': { 'device': 'str', 'msg': 'str' }, 1636 'features': ['deprecated'] } 1637 1638## 1639# @BootConfiguration: 1640# 1641# Schema for virtual machine boot configuration. 1642# 1643# @order: Boot order (a=floppy, c=hard disk, d=CD-ROM, n=network) 1644# 1645# @once: Boot order to apply on first boot 1646# 1647# @menu: Whether to show a boot menu 1648# 1649# @splash: The name of the file to be passed to the firmware as logo 1650# picture, if @menu is true. 1651# 1652# @splash-time: How long to show the logo picture, in milliseconds 1653# 1654# @reboot-timeout: Timeout before guest reboots after boot fails 1655# 1656# @strict: Whether to attempt booting from devices not included in the 1657# boot order 1658# 1659# Since: 7.1 1660## 1661{ 'struct': 'BootConfiguration', 'data': { 1662 '*order': 'str', 1663 '*once': 'str', 1664 '*menu': 'bool', 1665 '*splash': 'str', 1666 '*splash-time': 'int', 1667 '*reboot-timeout': 'int', 1668 '*strict': 'bool' } } 1669 1670## 1671# @SMPConfiguration: 1672# 1673# Schema for CPU topology configuration. A missing value lets QEMU 1674# figure out a suitable value based on the ones that are provided. 1675# 1676# The members other than @cpus and @maxcpus define a topology of 1677# containers. 1678# 1679# The ordering from highest/coarsest to lowest/finest is: 1680# @drawers, @books, @sockets, @dies, @clusters, @cores, @threads. 1681# 1682# Different architectures support different subsets of topology 1683# containers. 1684# 1685# For example, s390x does not have clusters and dies, and the socket 1686# is the parent container of cores. 1687# 1688# @cpus: number of virtual CPUs in the virtual machine 1689# 1690# @maxcpus: maximum number of hotpluggable virtual CPUs in the virtual 1691# machine 1692# 1693# @drawers: number of drawers in the CPU topology (since 8.2) 1694# 1695# @books: number of books in the CPU topology (since 8.2) 1696# 1697# @sockets: number of sockets per parent container 1698# 1699# @dies: number of dies per parent container 1700# 1701# @clusters: number of clusters per parent container (since 7.0) 1702# 1703# @modules: number of modules per parent container (since 9.1) 1704# 1705# @cores: number of cores per parent container 1706# 1707# @threads: number of threads per core 1708# 1709# Since: 6.1 1710## 1711{ 'struct': 'SMPConfiguration', 'data': { 1712 '*cpus': 'int', 1713 '*drawers': 'int', 1714 '*books': 'int', 1715 '*sockets': 'int', 1716 '*dies': 'int', 1717 '*clusters': 'int', 1718 '*modules': 'int', 1719 '*cores': 'int', 1720 '*threads': 'int', 1721 '*maxcpus': 'int' } } 1722 1723## 1724# @x-query-irq: 1725# 1726# Query interrupt statistics 1727# 1728# Features: 1729# 1730# @unstable: This command is meant for debugging. 1731# 1732# Returns: interrupt statistics 1733# 1734# Since: 6.2 1735## 1736{ 'command': 'x-query-irq', 1737 'returns': 'HumanReadableText', 1738 'features': [ 'unstable' ] } 1739 1740## 1741# @x-query-jit: 1742# 1743# Query TCG compiler statistics 1744# 1745# Features: 1746# 1747# @unstable: This command is meant for debugging. 1748# 1749# Returns: TCG compiler statistics 1750# 1751# Since: 6.2 1752## 1753{ 'command': 'x-query-jit', 1754 'returns': 'HumanReadableText', 1755 'if': 'CONFIG_TCG', 1756 'features': [ 'unstable' ] } 1757 1758## 1759# @x-query-numa: 1760# 1761# Query NUMA topology information 1762# 1763# Features: 1764# 1765# @unstable: This command is meant for debugging. 1766# 1767# Returns: topology information 1768# 1769# Since: 6.2 1770## 1771{ 'command': 'x-query-numa', 1772 'returns': 'HumanReadableText', 1773 'features': [ 'unstable' ] } 1774 1775## 1776# @x-query-opcount: 1777# 1778# Query TCG opcode counters 1779# 1780# Features: 1781# 1782# @unstable: This command is meant for debugging. 1783# 1784# Returns: TCG opcode counters 1785# 1786# Since: 6.2 1787## 1788{ 'command': 'x-query-opcount', 1789 'returns': 'HumanReadableText', 1790 'if': 'CONFIG_TCG', 1791 'features': [ 'unstable' ] } 1792 1793## 1794# @x-query-ramblock: 1795# 1796# Query system ramblock information 1797# 1798# Features: 1799# 1800# @unstable: This command is meant for debugging. 1801# 1802# Returns: system ramblock information 1803# 1804# Since: 6.2 1805## 1806{ 'command': 'x-query-ramblock', 1807 'returns': 'HumanReadableText', 1808 'features': [ 'unstable' ] } 1809 1810## 1811# @x-query-roms: 1812# 1813# Query information on the registered ROMS 1814# 1815# Features: 1816# 1817# @unstable: This command is meant for debugging. 1818# 1819# Returns: registered ROMs 1820# 1821# Since: 6.2 1822## 1823{ 'command': 'x-query-roms', 1824 'returns': 'HumanReadableText', 1825 'features': [ 'unstable' ] } 1826 1827## 1828# @x-query-usb: 1829# 1830# Query information on the USB devices 1831# 1832# Features: 1833# 1834# @unstable: This command is meant for debugging. 1835# 1836# Returns: USB device information 1837# 1838# Since: 6.2 1839## 1840{ 'command': 'x-query-usb', 1841 'returns': 'HumanReadableText', 1842 'features': [ 'unstable' ] } 1843 1844## 1845# @SmbiosEntryPointType: 1846# 1847# @32: SMBIOS version 2.1 (32-bit) Entry Point 1848# 1849# @64: SMBIOS version 3.0 (64-bit) Entry Point 1850# 1851# @auto: Either 2.x or 3.x SMBIOS version, 2.x if configuration can be 1852# described by it and 3.x otherwise (since: 9.0) 1853# 1854# Since: 7.0 1855## 1856{ 'enum': 'SmbiosEntryPointType', 1857 'data': [ '32', '64', 'auto' ] } 1858 1859## 1860# @MemorySizeConfiguration: 1861# 1862# Schema for memory size configuration. 1863# 1864# @size: memory size in bytes 1865# 1866# @max-size: maximum hotpluggable memory size in bytes 1867# 1868# @slots: number of available memory slots for hotplug 1869# 1870# Since: 7.1 1871## 1872{ 'struct': 'MemorySizeConfiguration', 'data': { 1873 '*size': 'size', 1874 '*max-size': 'size', 1875 '*slots': 'uint64' } } 1876 1877## 1878# @dumpdtb: 1879# 1880# Save the FDT in dtb format. 1881# 1882# @filename: name of the dtb file to be created 1883# 1884# Since: 7.2 1885# 1886# Example: 1887# 1888# -> { "execute": "dumpdtb" } 1889# "arguments": { "filename": "fdt.dtb" } } 1890# <- { "return": {} } 1891## 1892{ 'command': 'dumpdtb', 1893 'data': { 'filename': 'str' }, 1894 'if': 'CONFIG_FDT' } 1895