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.
11 { 'include': 'common.json' }
16 # The comprehensive enumeration of QEMU system emulation ("softmmu")
17 # targets. Run "./configure --help" in the project root directory, and
18 # look for the \*-softmmu targets near the "--target-list" option. The
19 # individual target constants are not documented here, for the time
25 # Notes: The resulting QMP strings can be appended to the "qemu-system-"
26 # prefix to produce the corresponding QEMU executable name. This
27 # is true even for "qemu-system-x86_64".
31 { 'enum' : 'SysEmuTarget',
32 'data' : [ 'aarch64', 'alpha', 'arm', 'avr', 'cris', 'hppa', 'i386',
33 'm68k', 'microblaze', 'microblazeel', 'mips', 'mips64',
34 'mips64el', 'mipsel', 'nios2', 'or1k', 'ppc',
35 'ppc64', 'riscv32', 'riscv64', 'rx', 's390x', 'sh4',
36 'sh4eb', 'sparc', 'sparc64', 'tricore',
37 'x86_64', 'xtensa', 'xtensaeb' ] }
42 # An enumeration of cpu states that can be assumed by a virtual
47 { 'enum': 'CpuS390State',
48 'prefix': 'S390_CPU_STATE',
49 'data': [ 'uninitialized', 'stopped', 'check-stop', 'operating', 'load' ] }
54 # Additional information about a virtual S390 CPU
56 # @cpu-state: the virtual CPU's state
60 { 'struct': 'CpuInfoS390', 'data': { 'cpu-state': 'CpuS390State' } }
65 # Information about a virtual CPU
67 # @cpu-index: index of the virtual CPU
69 # @qom-path: path to the CPU object in the QOM tree
71 # @thread-id: ID of the underlying host thread
73 # @props: properties describing to which node/socket/core/thread
74 # virtual CPU belongs to, provided if supported by board
76 # @target: the QEMU system emulation target, which determines which
77 # additional fields will be listed (since 3.0)
81 { 'union' : 'CpuInfoFast',
82 'base' : { 'cpu-index' : 'int',
85 '*props' : 'CpuInstanceProperties',
86 'target' : 'SysEmuTarget' },
87 'discriminator' : 'target',
88 'data' : { 's390x' : 'CpuInfoS390' } }
93 # Returns information about all virtual CPUs.
95 # Returns: list of @CpuInfoFast
101 # -> { "execute": "query-cpus-fast" }
104 # "thread-id": 25627,
110 # "qom-path": "/machine/unattached/device[0]",
115 # "thread-id": 25628,
121 # "qom-path": "/machine/unattached/device[2]",
128 { 'command': 'query-cpus-fast', 'returns': [ 'CpuInfoFast' ] }
133 # Information describing a machine.
135 # @name: the name of the machine
137 # @alias: an alias for the machine name
139 # @is-default: whether the machine is default
141 # @cpu-max: maximum number of CPUs supported by the machine type
144 # @hotpluggable-cpus: cpu hotplug via -device is supported (since 2.7)
146 # @numa-mem-supported: true if '-numa node,mem' option is supported by
147 # the machine type and false otherwise (since 4.1)
149 # @deprecated: if true, the machine type is deprecated and may be removed
150 # in future versions of QEMU according to the QEMU deprecation
153 # @default-cpu-type: default CPU model typename if none is requested via
154 # the -cpu argument. (since 4.2)
156 # @default-ram-id: the default ID of initial RAM memory backend (since 5.2)
160 { 'struct': 'MachineInfo',
161 'data': { 'name': 'str', '*alias': 'str',
162 '*is-default': 'bool', 'cpu-max': 'int',
163 'hotpluggable-cpus': 'bool', 'numa-mem-supported': 'bool',
164 'deprecated': 'bool', '*default-cpu-type': 'str',
165 '*default-ram-id': 'str' } }
170 # Return a list of supported machines
172 # Returns: a list of MachineInfo
176 { 'command': 'query-machines', 'returns': ['MachineInfo'] }
179 # @CurrentMachineParams:
181 # Information describing the running machine parameters.
183 # @wakeup-suspend-support: true if the machine supports wake up from
188 { 'struct': 'CurrentMachineParams',
189 'data': { 'wakeup-suspend-support': 'bool'} }
192 # @query-current-machine:
194 # Return information on the current virtual machine.
196 # Returns: CurrentMachineParams
200 { 'command': 'query-current-machine', 'returns': 'CurrentMachineParams' }
205 # Information describing the QEMU target.
207 # @arch: the target architecture
211 { 'struct': 'TargetInfo',
212 'data': { 'arch': 'SysEmuTarget' } }
217 # Return information about the target for this QEMU
219 # Returns: TargetInfo
223 { 'command': 'query-target', 'returns': 'TargetInfo' }
228 # Guest UUID information (Universally Unique Identifier).
230 # @UUID: the UUID of the guest
234 # Notes: If no UUID was specified for the guest, a null UUID is returned.
236 { 'struct': 'UuidInfo', 'data': {'UUID': 'str'} }
241 # Query the guest UUID information.
243 # Returns: The @UuidInfo for the guest
249 # -> { "execute": "query-uuid" }
250 # <- { "return": { "UUID": "550e8400-e29b-41d4-a716-446655440000" } }
253 { 'command': 'query-uuid', 'returns': 'UuidInfo', 'allow-preconfig': true }
260 # @guid: the globally unique identifier
264 { 'struct': 'GuidInfo', 'data': {'guid': 'str'} }
267 # @query-vm-generation-id:
269 # Show Virtual Machine Generation ID
273 { 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' }
278 # Performs a hard reset of a guest.
284 # -> { "execute": "system_reset" }
285 # <- { "return": {} }
288 { 'command': 'system_reset' }
293 # Requests that a guest perform a powerdown operation.
297 # Notes: A guest may or may not respond to this command. This command
298 # returning does not indicate that a guest has accepted the request or
299 # that it has shut down. Many guests will respond to this command by
300 # prompting the user in some way.
304 # -> { "execute": "system_powerdown" }
305 # <- { "return": {} }
308 { 'command': 'system_powerdown' }
313 # Wake up guest from suspend. If the guest has wake-up from suspend
314 # support enabled (wakeup-suspend-support flag from
315 # query-current-machine), wake-up guest from suspend if the guest is
316 # in SUSPENDED state. Return an error otherwise.
322 # Note: prior to 4.0, this command does nothing in case the guest
327 # -> { "execute": "system_wakeup" }
328 # <- { "return": {} }
331 { 'command': 'system_wakeup' }
336 # Policy for handling lost ticks in timer devices. Ticks end up getting
337 # lost when, for example, the guest is paused.
339 # @discard: throw away the missed ticks and continue with future injection
340 # normally. The guest OS will see the timer jump ahead by a
341 # potentially quite significant amount all at once, as if the
342 # intervening chunk of time had simply not existed; needless to
343 # say, such a sudden jump can easily confuse a guest OS which is
344 # not specifically prepared to deal with it. Assuming the guest
345 # OS can deal correctly with the time jump, the time in the guest
346 # and in the host should now match.
348 # @delay: continue to deliver ticks at the normal rate. The guest OS will
349 # not notice anything is amiss, as from its point of view time will
350 # have continued to flow normally. The time in the guest should now
351 # be behind the time in the host by exactly the amount of time during
352 # which ticks have been missed.
354 # @slew: deliver ticks at a higher rate to catch up with the missed ticks.
355 # The guest OS will not notice anything is amiss, as from its point
356 # of view time will have continued to flow normally. Once the timer
357 # has managed to catch up with all the missing ticks, the time in
358 # the guest and in the host should match.
362 { 'enum': 'LostTickPolicy',
363 'data': ['discard', 'delay', 'slew' ] }
368 # Injects a Non-Maskable Interrupt into the default CPU (x86/s390) or all CPUs (ppc64).
369 # The command fails when the guest doesn't support injecting.
371 # Returns: If successful, nothing
375 # Note: prior to 2.1, this command was only supported for x86 and s390 VMs
379 # -> { "execute": "inject-nmi" }
380 # <- { "return": {} }
383 { 'command': 'inject-nmi' }
388 # Information about support for KVM acceleration
390 # @enabled: true if KVM acceleration is active
392 # @present: true if KVM acceleration is built into this executable
396 { 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }
401 # Returns information about KVM acceleration
409 # -> { "execute": "query-kvm" }
410 # <- { "return": { "enabled": true, "present": true } }
413 { 'command': 'query-kvm', 'returns': 'KvmInfo' }
418 # @node: NUMA nodes configuration
420 # @dist: NUMA distance configuration (since 2.10)
422 # @cpu: property based CPU(s) to node mapping (Since: 2.10)
424 # @hmat-lb: memory latency and bandwidth information (Since: 5.0)
426 # @hmat-cache: memory side cache information (Since: 5.0)
430 { 'enum': 'NumaOptionsType',
431 'data': [ 'node', 'dist', 'cpu', 'hmat-lb', 'hmat-cache' ] }
436 # A discriminated record of NUMA options. (for OptsVisitor)
440 { 'union': 'NumaOptions',
441 'base': { 'type': 'NumaOptionsType' },
442 'discriminator': 'type',
444 'node': 'NumaNodeOptions',
445 'dist': 'NumaDistOptions',
446 'cpu': 'NumaCpuOptions',
447 'hmat-lb': 'NumaHmatLBOptions',
448 'hmat-cache': 'NumaHmatCacheOptions' }}
453 # Create a guest NUMA node. (for OptsVisitor)
455 # @nodeid: NUMA node ID (increase by 1 from 0 if omitted)
457 # @cpus: VCPUs belonging to this node (assign VCPUS round-robin
460 # @mem: memory size of this node; mutually exclusive with @memdev.
461 # Equally divide total memory among nodes if both @mem and @memdev are
464 # @memdev: memory backend object. If specified for one node,
465 # it must be specified for all nodes.
467 # @initiator: defined in ACPI 6.3 Chapter 5.2.27.3 Table 5-145,
468 # points to the nodeid which has the memory controller
469 # responsible for this NUMA node. This field provides
470 # additional information as to the initiator node that
471 # is closest (as in directly attached) to this node, and
472 # therefore has the best performance (since 5.0)
476 { 'struct': 'NumaNodeOptions',
482 '*initiator': 'uint16' }}
487 # Set the distance between 2 NUMA nodes.
489 # @src: source NUMA node.
491 # @dst: destination NUMA node.
493 # @val: NUMA distance from source node to destination node.
494 # When a node is unreachable from another node, set the distance
495 # between them to 255.
499 { 'struct': 'NumaDistOptions',
506 # @CXLFixedMemoryWindowOptions:
508 # Create a CXL Fixed Memory Window
510 # @size: Size of the Fixed Memory Window in bytes. Must be a multiple
512 # @interleave-granularity: Number of contiguous bytes for which
513 # accesses will go to a given interleave target.
514 # Accepted values [256, 512, 1k, 2k, 4k, 8k, 16k]
515 # @targets: Target root bridge IDs from -device ...,id=<ID> for each root
520 { 'struct': 'CXLFixedMemoryWindowOptions',
523 '*interleave-granularity': 'size',
524 'targets': ['str'] }}
529 # A X86 32-bit register
533 { 'enum': 'X86CPURegister32',
534 'data': [ 'EAX', 'EBX', 'ECX', 'EDX', 'ESP', 'EBP', 'ESI', 'EDI' ] }
537 # @X86CPUFeatureWordInfo:
539 # Information about a X86 CPU feature word
541 # @cpuid-input-eax: Input EAX value for CPUID instruction for that feature word
543 # @cpuid-input-ecx: Input ECX value for CPUID instruction for that
546 # @cpuid-register: Output register containing the feature bits
548 # @features: value of output register, containing the feature bits
552 { 'struct': 'X86CPUFeatureWordInfo',
553 'data': { 'cpuid-input-eax': 'int',
554 '*cpuid-input-ecx': 'int',
555 'cpuid-register': 'X86CPURegister32',
556 'features': 'int' } }
561 # Not used by QMP; hack to let us use X86CPUFeatureWordInfoList internally
565 { 'struct': 'DummyForceArrays',
566 'data': { 'unused': ['X86CPUFeatureWordInfo'] } }
571 # Option "-numa cpu" overrides default cpu to node mapping.
572 # It accepts the same set of cpu properties as returned by
573 # query-hotpluggable-cpus[].props, where node-id could be used to
574 # override default node mapping.
578 { 'struct': 'NumaCpuOptions',
579 'base': 'CpuInstanceProperties',
583 # @HmatLBMemoryHierarchy:
585 # The memory hierarchy in the System Locality Latency and Bandwidth
586 # Information Structure of HMAT (Heterogeneous Memory Attribute Table)
588 # For more information about @HmatLBMemoryHierarchy, see chapter
589 # 5.2.27.4: Table 5-146: Field "Flags" of ACPI 6.3 spec.
591 # @memory: the structure represents the memory performance
593 # @first-level: first level of memory side cache
595 # @second-level: second level of memory side cache
597 # @third-level: third level of memory side cache
601 { 'enum': 'HmatLBMemoryHierarchy',
602 'data': [ 'memory', 'first-level', 'second-level', 'third-level' ] }
607 # Data type in the System Locality Latency and Bandwidth
608 # Information Structure of HMAT (Heterogeneous Memory Attribute Table)
610 # For more information about @HmatLBDataType, see chapter
611 # 5.2.27.4: Table 5-146: Field "Data Type" of ACPI 6.3 spec.
613 # @access-latency: access latency (nanoseconds)
615 # @read-latency: read latency (nanoseconds)
617 # @write-latency: write latency (nanoseconds)
619 # @access-bandwidth: access bandwidth (Bytes per second)
621 # @read-bandwidth: read bandwidth (Bytes per second)
623 # @write-bandwidth: write bandwidth (Bytes per second)
627 { 'enum': 'HmatLBDataType',
628 'data': [ 'access-latency', 'read-latency', 'write-latency',
629 'access-bandwidth', 'read-bandwidth', 'write-bandwidth' ] }
632 # @NumaHmatLBOptions:
634 # Set the system locality latency and bandwidth information
635 # between Initiator and Target proximity Domains.
637 # For more information about @NumaHmatLBOptions, see chapter
638 # 5.2.27.4: Table 5-146 of ACPI 6.3 spec.
640 # @initiator: the Initiator Proximity Domain.
642 # @target: the Target Proximity Domain.
644 # @hierarchy: the Memory Hierarchy. Indicates the performance
645 # of memory or side cache.
647 # @data-type: presents the type of data, access/read/write
648 # latency or hit latency.
650 # @latency: the value of latency from @initiator to @target
651 # proximity domain, the latency unit is "ns(nanosecond)".
653 # @bandwidth: the value of bandwidth between @initiator and @target
654 # proximity domain, the bandwidth unit is
655 # "Bytes per second".
659 { 'struct': 'NumaHmatLBOptions',
661 'initiator': 'uint16',
663 'hierarchy': 'HmatLBMemoryHierarchy',
664 'data-type': 'HmatLBDataType',
665 '*latency': 'uint64',
666 '*bandwidth': 'size' }}
669 # @HmatCacheAssociativity:
671 # Cache associativity in the Memory Side Cache Information Structure
674 # For more information of @HmatCacheAssociativity, see chapter
675 # 5.2.27.5: Table 5-147 of ACPI 6.3 spec.
677 # @none: None (no memory side cache in this proximity domain,
678 # or cache associativity unknown)
680 # @direct: Direct Mapped
682 # @complex: Complex Cache Indexing (implementation specific)
686 { 'enum': 'HmatCacheAssociativity',
687 'data': [ 'none', 'direct', 'complex' ] }
690 # @HmatCacheWritePolicy:
692 # Cache write policy in the Memory Side Cache Information Structure
695 # For more information of @HmatCacheWritePolicy, see chapter
696 # 5.2.27.5: Table 5-147: Field "Cache Attributes" of ACPI 6.3 spec.
698 # @none: None (no memory side cache in this proximity domain,
699 # or cache write policy unknown)
701 # @write-back: Write Back (WB)
703 # @write-through: Write Through (WT)
707 { 'enum': 'HmatCacheWritePolicy',
708 'data': [ 'none', 'write-back', 'write-through' ] }
711 # @NumaHmatCacheOptions:
713 # Set the memory side cache information for a given memory domain.
715 # For more information of @NumaHmatCacheOptions, see chapter
716 # 5.2.27.5: Table 5-147: Field "Cache Attributes" of ACPI 6.3 spec.
718 # @node-id: the memory proximity domain to which the memory belongs.
720 # @size: the size of memory side cache in bytes.
722 # @level: the cache level described in this structure.
724 # @associativity: the cache associativity,
725 # none/direct-mapped/complex(complex cache indexing).
727 # @policy: the write policy, none/write-back/write-through.
729 # @line: the cache Line size in bytes.
733 { 'struct': 'NumaHmatCacheOptions',
738 'associativity': 'HmatCacheAssociativity',
739 'policy': 'HmatCacheWritePolicy',
745 # Save a portion of guest memory to a file.
747 # @val: the virtual address of the guest to start from
749 # @size: the size of memory region to save
751 # @filename: the file to save the memory to as binary data
753 # @cpu-index: the index of the virtual CPU to use for translating the
754 # virtual address (defaults to CPU 0)
756 # Returns: Nothing on success
760 # Notes: Errors were not reliably returned until 1.1
764 # -> { "execute": "memsave",
765 # "arguments": { "val": 10,
767 # "filename": "/tmp/virtual-mem-dump" } }
768 # <- { "return": {} }
771 { 'command': 'memsave',
772 'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }
777 # Save a portion of guest physical memory to a file.
779 # @val: the physical address of the guest to start from
781 # @size: the size of memory region to save
783 # @filename: the file to save the memory to as binary data
785 # Returns: Nothing on success
789 # Notes: Errors were not reliably returned until 1.1
793 # -> { "execute": "pmemsave",
794 # "arguments": { "val": 10,
796 # "filename": "/tmp/physical-mem-dump" } }
797 # <- { "return": {} }
800 { 'command': 'pmemsave',
801 'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }
806 # Information about memory backend
808 # @id: backend's ID if backend has 'id' property (since 2.9)
810 # @size: memory backend size
812 # @merge: whether memory merge support is enabled
814 # @dump: whether memory backend's memory is included in a core dump
816 # @prealloc: whether memory was preallocated
818 # @share: whether memory is private to QEMU or shared (since 6.1)
820 # @reserve: whether swap space (or huge pages) was reserved if applicable.
821 # This corresponds to the user configuration and not the actual
822 # behavior implemented in the OS to perform the reservation.
823 # For example, Linux will never reserve swap space for shared
824 # file mappings. (since 6.1)
826 # @host-nodes: host nodes for its memory policy
828 # @policy: memory policy of memory backend
832 { 'struct': 'Memdev',
841 'host-nodes': ['uint16'],
842 'policy': 'HostMemPolicy' }}
847 # Returns information for all memory backends.
849 # Returns: a list of @Memdev.
855 # -> { "execute": "query-memdev" }
864 # "host-nodes": [0, 1],
873 # "host-nodes": [2, 3],
874 # "policy": "preferred"
880 { 'command': 'query-memdev', 'returns': ['Memdev'], 'allow-preconfig': true }
883 # @CpuInstanceProperties:
885 # List of properties to be used for hotplugging a CPU instance,
886 # it should be passed by management with device_add command when
887 # a CPU is being hotplugged.
889 # @node-id: NUMA node ID the CPU belongs to
890 # @socket-id: socket number within node/board the CPU belongs to
891 # @die-id: die number within socket the CPU belongs to (since 4.1)
892 # @cluster-id: cluster number within die the CPU belongs to (since 7.1)
893 # @core-id: core number within cluster the CPU belongs to
894 # @thread-id: thread number within core the CPU belongs to
896 # Note: currently there are 6 properties that could be present
897 # but management should be prepared to pass through other
898 # properties with device_add command to allow for future
899 # interface extension. This also requires the filed names to be kept in
900 # sync with the properties passed to -device/device_add.
904 { 'struct': 'CpuInstanceProperties',
905 'data': { '*node-id': 'int',
908 '*cluster-id': 'int',
917 # @type: CPU object type for usage with device_add command
918 # @props: list of properties to be used for hotplugging CPU
919 # @vcpus-count: number of logical VCPU threads @HotpluggableCPU provides
920 # @qom-path: link to existing CPU object if CPU is present or
921 # omitted if CPU is not present.
925 { 'struct': 'HotpluggableCPU',
926 'data': { 'type': 'str',
927 'vcpus-count': 'int',
928 'props': 'CpuInstanceProperties',
934 # @query-hotpluggable-cpus:
936 # TODO: Better documentation; currently there is none.
938 # Returns: a list of HotpluggableCPU objects.
944 # For pseries machine type started with -smp 2,cores=2,maxcpus=4 -cpu POWER8:
946 # -> { "execute": "query-hotpluggable-cpus" }
948 # { "props": { "core": 8 }, "type": "POWER8-spapr-cpu-core",
949 # "vcpus-count": 1 },
950 # { "props": { "core": 0 }, "type": "POWER8-spapr-cpu-core",
951 # "vcpus-count": 1, "qom-path": "/machine/unattached/device[0]"}
954 # For pc machine type started with -smp 1,maxcpus=2:
956 # -> { "execute": "query-hotpluggable-cpus" }
959 # "type": "qemu64-x86_64-cpu", "vcpus-count": 1,
960 # "props": {"core-id": 0, "socket-id": 1, "thread-id": 0}
963 # "qom-path": "/machine/unattached/device[0]",
964 # "type": "qemu64-x86_64-cpu", "vcpus-count": 1,
965 # "props": {"core-id": 0, "socket-id": 0, "thread-id": 0}
969 # For s390x-virtio-ccw machine type started with -smp 1,maxcpus=2 -cpu qemu
972 # -> { "execute": "query-hotpluggable-cpus" }
975 # "type": "qemu-s390x-cpu", "vcpus-count": 1,
976 # "props": { "core-id": 1 }
979 # "qom-path": "/machine/unattached/device[0]",
980 # "type": "qemu-s390x-cpu", "vcpus-count": 1,
981 # "props": { "core-id": 0 }
986 { 'command': 'query-hotpluggable-cpus', 'returns': ['HotpluggableCPU'],
987 'allow-preconfig': true }
992 # Runtime equivalent of '-numa' CLI option, available at
993 # preconfigure stage to configure numa mapping before initializing
998 { 'command': 'set-numa-node', 'boxed': true,
999 'data': 'NumaOptions',
1000 'allow-preconfig': true
1006 # Request the balloon driver to change its balloon size.
1008 # @value: the target logical size of the VM in bytes.
1009 # We can deduce the size of the balloon using this formula:
1011 # logical_vm_size = vm_ram_size - balloon_size
1013 # From it we have: balloon_size = vm_ram_size - @value
1015 # Returns: - Nothing on success
1016 # - If the balloon driver is enabled but not functional because the KVM
1017 # kernel module cannot support it, KvmMissingCap
1018 # - If no balloon device is present, DeviceNotActive
1020 # Notes: This command just issues a request to the guest. When it returns,
1021 # the balloon size may not have changed. A guest can change the balloon
1022 # size independent of this command.
1028 # -> { "execute": "balloon", "arguments": { "value": 536870912 } }
1029 # <- { "return": {} }
1031 # With a 2.5GiB guest this command inflated the ballon to 3GiB.
1034 { 'command': 'balloon', 'data': {'value': 'int'} }
1039 # Information about the guest balloon device.
1041 # @actual: the logical size of the VM in bytes
1042 # Formula used: logical_vm_size = vm_ram_size - balloon_size
1046 { 'struct': 'BalloonInfo', 'data': {'actual': 'int' } }
1051 # Return information about the balloon device.
1053 # Returns: - @BalloonInfo on success
1054 # - If the balloon driver is enabled but not functional because the KVM
1055 # kernel module cannot support it, KvmMissingCap
1056 # - If no balloon device is present, DeviceNotActive
1062 # -> { "execute": "query-balloon" }
1064 # "actual": 1073741824,
1069 { 'command': 'query-balloon', 'returns': 'BalloonInfo' }
1074 # Emitted when the guest changes the actual BALLOON level. This value is
1075 # equivalent to the @actual field return by the 'query-balloon' command
1077 # @actual: the logical size of the VM in bytes
1078 # Formula used: logical_vm_size = vm_ram_size - balloon_size
1080 # Note: this event is rate-limited.
1086 # <- { "event": "BALLOON_CHANGE",
1087 # "data": { "actual": 944766976 },
1088 # "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
1091 { 'event': 'BALLOON_CHANGE',
1092 'data': { 'actual': 'int' } }
1097 # Actual memory information in bytes.
1099 # @base-memory: size of "base" memory specified with command line
1102 # @plugged-memory: size of memory that can be hot-unplugged. This field
1103 # is omitted if target doesn't support memory hotplug
1104 # (i.e. CONFIG_MEM_DEVICE not defined at build time).
1108 { 'struct': 'MemoryInfo',
1109 'data' : { 'base-memory': 'size', '*plugged-memory': 'size' } }
1112 # @query-memory-size-summary:
1114 # Return the amount of initially allocated and present hotpluggable (if
1115 # enabled) memory in bytes.
1119 # -> { "execute": "query-memory-size-summary" }
1120 # <- { "return": { "base-memory": 4294967296, "plugged-memory": 0 } }
1124 { 'command': 'query-memory-size-summary', 'returns': 'MemoryInfo' }
1127 # @PCDIMMDeviceInfo:
1129 # PCDIMMDevice state information
1133 # @addr: physical address, where device is mapped
1135 # @size: size of memory that the device provides
1137 # @slot: slot number at which device is plugged in
1139 # @node: NUMA node number where device is plugged in
1141 # @memdev: memory backend linked with device
1143 # @hotplugged: true if device was hotplugged
1145 # @hotpluggable: true if device if could be added/removed while machine is running
1149 { 'struct': 'PCDIMMDeviceInfo',
1150 'data': { '*id': 'str',
1156 'hotplugged': 'bool',
1157 'hotpluggable': 'bool'
1162 # @VirtioPMEMDeviceInfo:
1164 # VirtioPMEM state information
1168 # @memaddr: physical address in memory, where device is mapped
1170 # @size: size of memory that the device provides
1172 # @memdev: memory backend linked with device
1176 { 'struct': 'VirtioPMEMDeviceInfo',
1177 'data': { '*id': 'str',
1185 # @VirtioMEMDeviceInfo:
1187 # VirtioMEMDevice state information
1191 # @memaddr: physical address in memory, where device is mapped
1193 # @requested-size: the user requested size of the device
1195 # @size: the (current) size of memory that the device provides
1197 # @max-size: the maximum size of memory that the device can provide
1199 # @block-size: the block size of memory that the device provides
1201 # @node: NUMA node number where device is assigned to
1203 # @memdev: memory backend linked with the region
1207 { 'struct': 'VirtioMEMDeviceInfo',
1208 'data': { '*id': 'str',
1210 'requested-size': 'size',
1213 'block-size': 'size',
1220 # @SgxEPCDeviceInfo:
1222 # Sgx EPC state information
1226 # @memaddr: physical address in memory, where device is mapped
1228 # @size: size of memory that the device provides
1230 # @memdev: memory backend linked with device
1232 # @node: the numa node (Since: 7.0)
1236 { 'struct': 'SgxEPCDeviceInfo',
1237 'data': { '*id': 'str',
1246 # @MemoryDeviceInfoKind:
1250 { 'enum': 'MemoryDeviceInfoKind',
1251 'data': [ 'dimm', 'nvdimm', 'virtio-pmem', 'virtio-mem', 'sgx-epc' ] }
1254 # @PCDIMMDeviceInfoWrapper:
1258 { 'struct': 'PCDIMMDeviceInfoWrapper',
1259 'data': { 'data': 'PCDIMMDeviceInfo' } }
1262 # @VirtioPMEMDeviceInfoWrapper:
1266 { 'struct': 'VirtioPMEMDeviceInfoWrapper',
1267 'data': { 'data': 'VirtioPMEMDeviceInfo' } }
1270 # @VirtioMEMDeviceInfoWrapper:
1274 { 'struct': 'VirtioMEMDeviceInfoWrapper',
1275 'data': { 'data': 'VirtioMEMDeviceInfo' } }
1278 # @SgxEPCDeviceInfoWrapper:
1282 { 'struct': 'SgxEPCDeviceInfoWrapper',
1283 'data': { 'data': 'SgxEPCDeviceInfo' } }
1286 # @MemoryDeviceInfo:
1288 # Union containing information about a memory device
1290 # nvdimm is included since 2.12. virtio-pmem is included since 4.1.
1291 # virtio-mem is included since 5.1. sgx-epc is included since 6.2.
1295 { 'union': 'MemoryDeviceInfo',
1296 'base': { 'type': 'MemoryDeviceInfoKind' },
1297 'discriminator': 'type',
1298 'data': { 'dimm': 'PCDIMMDeviceInfoWrapper',
1299 'nvdimm': 'PCDIMMDeviceInfoWrapper',
1300 'virtio-pmem': 'VirtioPMEMDeviceInfoWrapper',
1301 'virtio-mem': 'VirtioMEMDeviceInfoWrapper',
1302 'sgx-epc': 'SgxEPCDeviceInfoWrapper'
1309 # Sgx EPC cmdline information
1311 # @memdev: memory backend linked with device
1313 # @node: the numa node (Since: 7.0)
1317 { 'struct': 'SgxEPC',
1318 'data': { 'memdev': 'str',
1324 # @SgxEPCProperties:
1326 # SGX properties of machine types.
1328 # @sgx-epc: list of ids of memory-backend-epc objects.
1332 { 'struct': 'SgxEPCProperties',
1333 'data': { 'sgx-epc': ['SgxEPC'] }
1337 # @query-memory-devices:
1339 # Lists available memory devices and their state
1345 # -> { "execute": "query-memory-devices" }
1346 # <- { "return": [ { "data":
1347 # { "addr": 5368709120,
1348 # "hotpluggable": true,
1349 # "hotplugged": true,
1351 # "memdev": "/objects/memX",
1353 # "size": 1073741824,
1359 { 'command': 'query-memory-devices', 'returns': ['MemoryDeviceInfo'] }
1362 # @MEMORY_DEVICE_SIZE_CHANGE:
1364 # Emitted when the size of a memory device changes. Only emitted for memory
1365 # devices that can actually change the size (e.g., virtio-mem due to guest
1370 # @size: the new size of memory that the device provides
1372 # @qom-path: path to the device object in the QOM tree (since 6.2)
1374 # Note: this event is rate-limited.
1380 # <- { "event": "MEMORY_DEVICE_SIZE_CHANGE",
1381 # "data": { "id": "vm0", "size": 1073741824,
1382 # "qom-path": "/machine/unattached/device[2]" },
1383 # "timestamp": { "seconds": 1588168529, "microseconds": 201316 } }
1386 { 'event': 'MEMORY_DEVICE_SIZE_CHANGE',
1387 'data': { '*id': 'str', 'size': 'size', 'qom-path' : 'str'} }
1390 # @MEM_UNPLUG_ERROR:
1392 # Emitted when memory hot unplug error occurs.
1394 # @device: device name
1396 # @msg: Informative message
1399 # @deprecated: This event is deprecated. Use @DEVICE_UNPLUG_GUEST_ERROR
1406 # <- { "event": "MEM_UNPLUG_ERROR"
1407 # "data": { "device": "dimm1",
1408 # "msg": "acpi: device unplug for unsupported device"
1410 # "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
1413 { 'event': 'MEM_UNPLUG_ERROR',
1414 'data': { 'device': 'str', 'msg': 'str' },
1415 'features': ['deprecated'] }
1418 # @BootConfiguration:
1420 # Schema for virtual machine boot configuration.
1422 # @order: Boot order (a=floppy, c=hard disk, d=CD-ROM, n=network)
1424 # @once: Boot order to apply on first boot
1426 # @menu: Whether to show a boot menu
1428 # @splash: The name of the file to be passed to the firmware as logo picture, if @menu is true.
1430 # @splash-time: How long to show the logo picture, in milliseconds
1432 # @reboot-timeout: Timeout before guest reboots after boot fails
1434 # @strict: Whether to attempt booting from devices not included in the boot order
1438 { 'struct': 'BootConfiguration', 'data': {
1443 '*splash-time': 'int',
1444 '*reboot-timeout': 'int',
1445 '*strict': 'bool' } }
1448 # @SMPConfiguration:
1450 # Schema for CPU topology configuration. A missing value lets
1451 # QEMU figure out a suitable value based on the ones that are provided.
1453 # @cpus: number of virtual CPUs in the virtual machine
1455 # @sockets: number of sockets in the CPU topology
1457 # @dies: number of dies per socket in the CPU topology
1459 # @clusters: number of clusters per die in the CPU topology (since 7.0)
1461 # @cores: number of cores per cluster in the CPU topology
1463 # @threads: number of threads per core in the CPU topology
1465 # @maxcpus: maximum number of hotpluggable virtual CPUs in the virtual machine
1469 { 'struct': 'SMPConfiguration', 'data': {
1476 '*maxcpus': 'int' } }
1481 # Query interrupt statistics
1484 # @unstable: This command is meant for debugging.
1486 # Returns: interrupt statistics
1490 { 'command': 'x-query-irq',
1491 'returns': 'HumanReadableText',
1492 'features': [ 'unstable' ] }
1497 # Query TCG compiler statistics
1500 # @unstable: This command is meant for debugging.
1502 # Returns: TCG compiler statistics
1506 { 'command': 'x-query-jit',
1507 'returns': 'HumanReadableText',
1509 'features': [ 'unstable' ] }
1514 # Query NUMA topology information
1517 # @unstable: This command is meant for debugging.
1519 # Returns: topology information
1523 { 'command': 'x-query-numa',
1524 'returns': 'HumanReadableText',
1525 'features': [ 'unstable' ] }
1530 # Query TCG opcode counters
1533 # @unstable: This command is meant for debugging.
1535 # Returns: TCG opcode counters
1539 { 'command': 'x-query-opcount',
1540 'returns': 'HumanReadableText',
1542 'features': [ 'unstable' ] }
1547 # Query TCG profiling information
1550 # @unstable: This command is meant for debugging.
1552 # Returns: profile information
1556 { 'command': 'x-query-profile',
1557 'returns': 'HumanReadableText',
1559 'features': [ 'unstable' ] }
1562 # @x-query-ramblock:
1564 # Query system ramblock information
1567 # @unstable: This command is meant for debugging.
1569 # Returns: system ramblock information
1573 { 'command': 'x-query-ramblock',
1574 'returns': 'HumanReadableText',
1575 'features': [ 'unstable' ] }
1583 # @unstable: This command is meant for debugging.
1585 # Returns: RDMA state
1589 { 'command': 'x-query-rdma',
1590 'returns': 'HumanReadableText',
1591 'features': [ 'unstable' ] }
1596 # Query information on the registered ROMS
1599 # @unstable: This command is meant for debugging.
1601 # Returns: registered ROMs
1605 { 'command': 'x-query-roms',
1606 'returns': 'HumanReadableText',
1607 'features': [ 'unstable' ] }
1612 # Query information on the USB devices
1615 # @unstable: This command is meant for debugging.
1617 # Returns: USB device information
1621 { 'command': 'x-query-usb',
1622 'returns': 'HumanReadableText',
1623 'features': [ 'unstable' ] }
1626 # @SmbiosEntryPointType:
1628 # @32: SMBIOS version 2.1 (32-bit) Entry Point
1630 # @64: SMBIOS version 3.0 (64-bit) Entry Point
1634 { 'enum': 'SmbiosEntryPointType',
1635 'data': [ '32', '64' ] }
1638 # @MemorySizeConfiguration:
1640 # Schema for memory size configuration.
1642 # @size: memory size in bytes
1644 # @max-size: maximum hotpluggable memory size in bytes
1646 # @slots: number of available memory slots for hotplug
1650 { 'struct': 'MemorySizeConfiguration', 'data': {
1652 '*max-size': 'size',
1653 '*slots': 'uint64' } }