qapi-schema.json

# -*- Mode: Python -*-
##
# = Introduction
#
# This document describes all commands currently supported by QMP.
#
# Most of the time their usage is exactly the same as in the user Monitor, this
# means that any other document which also describe commands (the manpage,
# QEMU's manual, etc) can and should be consulted.
#
# QMP has two types of commands: regular and query commands. Regular commands
# usually change the Virtual Machine's state someway, while query commands just
# return information. The sections below are divided accordingly.
#
# It's important to observe that all communication examples are formatted in
# a reader-friendly way, so that they're easier to understand. However, in real
# protocol usage, they're emitted as a single line.
#
# Also, the following notation is used to denote data flow:
#
# Example:
#
# | -> data issued by the Client
# | <- Server data response
#
# Please, refer to the QMP specification (docs/interop/qmp-spec.txt) for
# detailed information on the Server command and response formats.
#
# = Stability Considerations
#
# The current QMP command set (described in this file) may be useful for a
# number of use cases, however it's limited and several commands have bad
# defined semantics, specially with regard to command completion.
#
# These problems are going to be solved incrementally in the next QEMU releases
# and we're going to establish a deprecation policy for badly defined commands.
#
# If you're planning to adopt QMP, please observe the following:
#
#     1. The deprecation policy will take effect and be documented soon, please
#        check the documentation of each used command as soon as a new release of
#        QEMU is available
#
#     2. DO NOT rely on anything which is not explicit documented
#
#     3. Errors, in special, are not documented. Applications should NOT check
#        for specific errors classes or data (it's strongly recommended to only
#        check for the "error" key)
#
##

{ 'pragma': { 'doc-required': true } }

# Whitelists to permit QAPI rule violations; think twice before you
# add to them!
{ 'pragma': {
    # Commands allowed to return a non-dictionary:
    'returns-whitelist': [
        'human-monitor-command',
        'qom-get',
        'query-migrate-cache-size',
        'query-tpm-models',
        'query-tpm-types',
        'ringbuf-read' ],
    'name-case-whitelist': [
        'ACPISlotType',         # DIMM, visible through query-acpi-ospm-status
        'CpuInfoMIPS',          # PC, visible through query-cpu
        'CpuInfoTricore',       # PC, visible through query-cpu
        'QapiErrorClass',       # all members, visible through errors
        'UuidInfo',             # UUID, visible through query-uuid
        'X86CPURegister32',     # all members, visible indirectly through qom-get
        'q_obj_CpuInfo-base'    # CPU, visible through query-cpu
    ] } }

# Documentation generated with qapi2texi.py is in source order, with
# included sub-schemas inserted at the first include directive
# (subsequent include directives have no effect).  To get a sane and
# stable order, it's best to include each sub-schema just once, or
# include it first in qapi-schema.json.

{ 'include': 'qapi/common.json' }
{ 'include': 'qapi/sockets.json' }
{ 'include': 'qapi/run-state.json' }
{ 'include': 'qapi/crypto.json' }
{ 'include': 'qapi/block.json' }
{ 'include': 'qapi/char.json' }
{ 'include': 'qapi/net.json' }
{ 'include': 'qapi/rocker.json' }
{ 'include': 'qapi/tpm.json' }
{ 'include': 'qapi/ui.json' }
{ 'include': 'qapi/migration.json' }
{ 'include': 'qapi/transaction.json' }
{ 'include': 'qapi/trace.json' }
{ 'include': 'qapi/introspect.json' }

##
# = Miscellanea
##

##
# @qmp_capabilities:
#
# Enable QMP capabilities.
#
# Arguments: None.
#
# Example:
#
# -> { "execute": "qmp_capabilities" }
# <- { "return": {} }
#
# Notes: This command is valid exactly when first connecting: it must be
# issued before any other command will be accepted, and will fail once the
# monitor is accepting other commands. (see qemu docs/interop/qmp-spec.txt)
#
# Since: 0.13
#
##
{ 'command': 'qmp_capabilities' }

##
# @VersionTriple:
#
# A three-part version number.
#
# @major:  The major version number.
#
# @minor:  The minor version number.
#
# @micro:  The micro version number.
#
# Since: 2.4
##
{ 'struct': 'VersionTriple',
  'data': {'major': 'int', 'minor': 'int', 'micro': 'int'} }


##
# @VersionInfo:
#
# A description of QEMU's version.
#
# @qemu:        The version of QEMU.  By current convention, a micro
#               version of 50 signifies a development branch.  A micro version
#               greater than or equal to 90 signifies a release candidate for
#               the next minor version.  A micro version of less than 50
#               signifies a stable release.
#
# @package:     QEMU will always set this field to an empty string.  Downstream
#               versions of QEMU should set this to a non-empty string.  The
#               exact format depends on the downstream however it highly
#               recommended that a unique name is used.
#
# Since: 0.14.0
##
{ 'struct': 'VersionInfo',
  'data': {'qemu': 'VersionTriple', 'package': 'str'} }

##
# @query-version:
#
# Returns the current version of QEMU.
#
# Returns:  A @VersionInfo object describing the current version of QEMU.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-version" }
# <- {
#       "return":{
#          "qemu":{
#             "major":0,
#             "minor":11,
#             "micro":5
#          },
#          "package":""
#       }
#    }
#
##
{ 'command': 'query-version', 'returns': 'VersionInfo' }

##
# @CommandInfo:
#
# Information about a QMP command
#
# @name: The command name
#
# Since: 0.14.0
##
{ 'struct': 'CommandInfo', 'data': {'name': 'str'} }

##
# @query-commands:
#
# Return a list of supported QMP commands by this server
#
# Returns: A list of @CommandInfo for all supported commands
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-commands" }
# <- {
#      "return":[
#         {
#            "name":"query-balloon"
#         },
#         {
#            "name":"system_powerdown"
#         }
#      ]
#    }
#
# Note: This example has been shortened as the real response is too long.
#
##
{ 'command': 'query-commands', 'returns': ['CommandInfo'] }

##
# @LostTickPolicy:
#
# Policy for handling lost ticks in timer devices.
#
# @discard: throw away the missed tick(s) and continue with future injection
#           normally.  Guest time may be delayed, unless the OS has explicit
#           handling of lost ticks
#
# @delay: continue to deliver ticks at the normal rate.  Guest time will be
#         delayed due to the late tick
#
# @merge: merge the missed tick(s) into one tick and inject.  Guest time
#         may be delayed, depending on how the OS reacts to the merging
#         of ticks
#
# @slew: deliver ticks at a higher rate to catch up with the missed tick. The
#        guest time should not be delayed once catchup is complete.
#
# Since: 2.0
##
{ 'enum': 'LostTickPolicy',
  'data': ['discard', 'delay', 'merge', 'slew' ] }

##
# @add_client:
#
# Allow client connections for VNC, Spice and socket based
# character devices to be passed in to QEMU via SCM_RIGHTS.
#
# @protocol: protocol name. Valid names are "vnc", "spice" or the
#            name of a character device (eg. from -chardev id=XXXX)
#
# @fdname: file descriptor name previously passed via 'getfd' command
#
# @skipauth: whether to skip authentication. Only applies
#            to "vnc" and "spice" protocols
#
# @tls: whether to perform TLS. Only applies to the "spice"
#       protocol
#
# Returns: nothing on success.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "add_client", "arguments": { "protocol": "vnc",
#                                              "fdname": "myclient" } }
# <- { "return": {} }
#
##
{ 'command': 'add_client',
  'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool',
            '*tls': 'bool' } }

##
# @NameInfo:
#
# Guest name information.
#
# @name: The name of the guest
#
# Since: 0.14.0
##
{ 'struct': 'NameInfo', 'data': {'*name': 'str'} }

##
# @query-name:
#
# Return the name information of a guest.
#
# Returns: @NameInfo of the guest
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-name" }
# <- { "return": { "name": "qemu-name" } }
#
##
{ 'command': 'query-name', 'returns': 'NameInfo' }

##
# @KvmInfo:
#
# Information about support for KVM acceleration
#
# @enabled: true if KVM acceleration is active
#
# @present: true if KVM acceleration is built into this executable
#
# Since: 0.14.0
##
{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }

##
# @query-kvm:
#
# Returns information about KVM acceleration
#
# Returns: @KvmInfo
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-kvm" }
# <- { "return": { "enabled": true, "present": true } }
#
##
{ 'command': 'query-kvm', 'returns': 'KvmInfo' }

##
# @UuidInfo:
#
# Guest UUID information (Universally Unique Identifier).
#
# @UUID: the UUID of the guest
#
# Since: 0.14.0
#
# Notes: If no UUID was specified for the guest, a null UUID is returned.
##
{ 'struct': 'UuidInfo', 'data': {'UUID': 'str'} }

##
# @query-uuid:
#
# Query the guest UUID information.
#
# Returns: The @UuidInfo for the guest
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-uuid" }
# <- { "return": { "UUID": "550e8400-e29b-41d4-a716-446655440000" } }
#
##
{ 'command': 'query-uuid', 'returns': 'UuidInfo' }

##
# @EventInfo:
#
# Information about a QMP event
#
# @name: The event name
#
# Since: 1.2.0
##
{ 'struct': 'EventInfo', 'data': {'name': 'str'} }

##
# @query-events:
#
# Return a list of supported QMP events by this server
#
# Returns: A list of @EventInfo for all supported events
#
# Since: 1.2.0
#
# Example:
#
# -> { "execute": "query-events" }
# <- {
#      "return": [
#          {
#             "name":"SHUTDOWN"
#          },
#          {
#             "name":"RESET"
#          }
#       ]
#    }
#
# Note: This example has been shortened as the real response is too long.
#
##
{ 'command': 'query-events', 'returns': ['EventInfo'] }

##
# @CpuInfoArch:
#
# An enumeration of cpu types that enable additional information during
# @query-cpus and @query-cpus-fast.
#
# @s390: since 2.12
#
# Since: 2.6
##
{ 'enum': 'CpuInfoArch',
  'data': ['x86', 'sparc', 'ppc', 'mips', 'tricore', 's390', 'other' ] }

##
# @CpuInfo:
#
# Information about a virtual CPU
#
# @CPU: the index of the virtual CPU
#
# @current: this only exists for backwards compatibility and should be ignored
#
# @halted: true if the virtual CPU is in the halt state.  Halt usually refers
#          to a processor specific low power mode.
#
# @qom_path: path to the CPU object in the QOM tree (since 2.4)
#
# @thread_id: ID of the underlying host thread
#
# @props: properties describing to which node/socket/core/thread
#         virtual CPU belongs to, provided if supported by board (since 2.10)
#
# @arch: architecture of the cpu, which determines which additional fields
#        will be listed (since 2.6)
#
# Since: 0.14.0
#
# Notes: @halted is a transient state that changes frequently.  By the time the
#        data is sent to the client, the guest may no longer be halted.
##
{ 'union': 'CpuInfo',
  'base': {'CPU': 'int', 'current': 'bool', 'halted': 'bool',
           'qom_path': 'str', 'thread_id': 'int',
           '*props': 'CpuInstanceProperties', 'arch': 'CpuInfoArch' },
  'discriminator': 'arch',
  'data': { 'x86': 'CpuInfoX86',
            'sparc': 'CpuInfoSPARC',
            'ppc': 'CpuInfoPPC',
            'mips': 'CpuInfoMIPS',
            'tricore': 'CpuInfoTricore',
            's390': 'CpuInfoS390',
            'other': 'CpuInfoOther' } }

##
# @CpuInfoX86:
#
# Additional information about a virtual i386 or x86_64 CPU
#
# @pc: the 64-bit instruction pointer
#
# Since: 2.6
##
{ 'struct': 'CpuInfoX86', 'data': { 'pc': 'int' } }

##
# @CpuInfoSPARC:
#
# Additional information about a virtual SPARC CPU
#
# @pc: the PC component of the instruction pointer
#
# @npc: the NPC component of the instruction pointer
#
# Since: 2.6
##
{ 'struct': 'CpuInfoSPARC', 'data': { 'pc': 'int', 'npc': 'int' } }

##
# @CpuInfoPPC:
#
# Additional information about a virtual PPC CPU
#
# @nip: the instruction pointer
#
# Since: 2.6
##
{ 'struct': 'CpuInfoPPC', 'data': { 'nip': 'int' } }

##
# @CpuInfoMIPS:
#
# Additional information about a virtual MIPS CPU
#
# @PC: the instruction pointer
#
# Since: 2.6
##
{ 'struct': 'CpuInfoMIPS', 'data': { 'PC': 'int' } }

##
# @CpuInfoTricore:
#
# Additional information about a virtual Tricore CPU
#
# @PC: the instruction pointer
#
# Since: 2.6
##
{ 'struct': 'CpuInfoTricore', 'data': { 'PC': 'int' } }

##
# @CpuInfoOther:
#
# No additional information is available about the virtual CPU
#
# Since: 2.6
#
##
{ 'struct': 'CpuInfoOther', 'data': { } }

##
# @CpuS390State:
#
# An enumeration of cpu states that can be assumed by a virtual
# S390 CPU
#
# Since: 2.12
##
{ 'enum': 'CpuS390State',
  'prefix': 'S390_CPU_STATE',
  'data': [ 'uninitialized', 'stopped', 'check-stop', 'operating', 'load' ] }

##
# @CpuInfoS390:
#
# Additional information about a virtual S390 CPU
#
# @cpu-state: the virtual CPU's state
#
# Since: 2.12
##
{ 'struct': 'CpuInfoS390', 'data': { 'cpu-state': 'CpuS390State' } }

##
# @query-cpus:
#
# Returns a list of information about each virtual CPU.
#
# This command causes vCPU threads to exit to userspace, which causes
# a small interruption to guest CPU execution. This will have a negative
# impact on realtime guests and other latency sensitive guest workloads.
# It is recommended to use @query-cpus-fast instead of this command to
# avoid the vCPU interruption.
#
# Returns: a list of @CpuInfo for each virtual CPU
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-cpus" }
# <- { "return": [
#          {
#             "CPU":0,
#             "current":true,
#             "halted":false,
#             "qom_path":"/machine/unattached/device[0]",
#             "arch":"x86",
#             "pc":3227107138,
#             "thread_id":3134
#          },
#          {
#             "CPU":1,
#             "current":false,
#             "halted":true,
#             "qom_path":"/machine/unattached/device[2]",
#             "arch":"x86",
#             "pc":7108165,
#             "thread_id":3135
#          }
#       ]
#    }
#
# Notes: This interface is deprecated (since 2.12.0), and it is strongly
#        recommended that you avoid using it. Use @query-cpus-fast to
#        obtain information about virtual CPUs.
#
##
{ 'command': 'query-cpus', 'returns': ['CpuInfo'] }

##
# @CpuInfoFast:
#
# Information about a virtual CPU
#
# @cpu-index: index of the virtual CPU
#
# @qom-path: path to the CPU object in the QOM tree
#
# @thread-id: ID of the underlying host thread
#
# @props: properties describing to which node/socket/core/thread
#         virtual CPU belongs to, provided if supported by board
#
# @arch: architecture of the cpu, which determines which additional fields
#        will be listed
#
# Since: 2.12
#
##
{ 'union': 'CpuInfoFast',
  'base': {'cpu-index': 'int', 'qom-path': 'str',
           'thread-id': 'int', '*props': 'CpuInstanceProperties',
           'arch': 'CpuInfoArch' },
  'discriminator': 'arch',
  'data': { 'x86': 'CpuInfoOther',
            'sparc': 'CpuInfoOther',
            'ppc': 'CpuInfoOther',
            'mips': 'CpuInfoOther',
            'tricore': 'CpuInfoOther',
            's390': 'CpuInfoS390',
            'other': 'CpuInfoOther' } }

##
# @query-cpus-fast:
#
# Returns information about all virtual CPUs. This command does not
# incur a performance penalty and should be used in production
# instead of query-cpus.
#
# Returns: list of @CpuInfoFast
#
# Since: 2.12
#
# Example:
#
# -> { "execute": "query-cpus-fast" }
# <- { "return": [
#         {
#             "thread-id": 25627,
#             "props": {
#                 "core-id": 0,
#                 "thread-id": 0,
#                 "socket-id": 0
#             },
#             "qom-path": "/machine/unattached/device[0]",
#             "arch":"x86",
#             "cpu-index": 0
#         },
#         {
#             "thread-id": 25628,
#             "props": {
#                 "core-id": 0,
#                 "thread-id": 0,
#                 "socket-id": 1
#             },
#             "qom-path": "/machine/unattached/device[2]",
#             "arch":"x86",
#             "cpu-index": 1
#         }
#     ]
# }
##
{ 'command': 'query-cpus-fast', 'returns': [ 'CpuInfoFast' ] }

##
# @IOThreadInfo:
#
# Information about an iothread
#
# @id: the identifier of the iothread
#
# @thread-id: ID of the underlying host thread
#
# @poll-max-ns: maximum polling time in ns, 0 means polling is disabled
#               (since 2.9)
#
# @poll-grow: how many ns will be added to polling time, 0 means that it's not
#             configured (since 2.9)
#
# @poll-shrink: how many ns will be removed from polling time, 0 means that
#               it's not configured (since 2.9)
#
# Since: 2.0
##
{ 'struct': 'IOThreadInfo',
  'data': {'id': 'str',
           'thread-id': 'int',
           'poll-max-ns': 'int',
           'poll-grow': 'int',
           'poll-shrink': 'int' } }

##
# @query-iothreads:
#
# Returns a list of information about each iothread.
#
# Note: this list excludes the QEMU main loop thread, which is not declared
# using the -object iothread command-line option.  It is always the main thread
# of the process.
#
# Returns: a list of @IOThreadInfo for each iothread
#
# Since: 2.0
#
# Example:
#
# -> { "execute": "query-iothreads" }
# <- { "return": [
#          {
#             "id":"iothread0",
#             "thread-id":3134
#          },
#          {
#             "id":"iothread1",
#             "thread-id":3135
#          }
#       ]
#    }
#
##
{ 'command': 'query-iothreads', 'returns': ['IOThreadInfo'] }

##
# @BalloonInfo:
#
# Information about the guest balloon device.
#
# @actual: the number of bytes the balloon currently contains
#
# Since: 0.14.0
#
##
{ 'struct': 'BalloonInfo', 'data': {'actual': 'int' } }

##
# @query-balloon:
#
# Return information about the balloon device.
#
# Returns: @BalloonInfo on success
#
#          If the balloon driver is enabled but not functional because the KVM
#          kernel module cannot support it, KvmMissingCap
#
#          If no balloon device is present, DeviceNotActive
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-balloon" }
# <- { "return": {
#          "actual": 1073741824,
#       }
#    }
#
##
{ 'command': 'query-balloon', 'returns': 'BalloonInfo' }

##
# @BALLOON_CHANGE:
#
# Emitted when the guest changes the actual BALLOON level. This value is
# equivalent to the @actual field return by the 'query-balloon' command
#
# @actual: actual level of the guest memory balloon in bytes
#
# Note: this event is rate-limited.
#
# Since: 1.2
#
# Example:
#
# <- { "event": "BALLOON_CHANGE",
#      "data": { "actual": 944766976 },
#      "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
#
##
{ 'event': 'BALLOON_CHANGE',
  'data': { 'actual': 'int' } }

##
# @PciMemoryRange:
#
# A PCI device memory region
#
# @base: the starting address (guest physical)
#
# @limit: the ending address (guest physical)
#
# Since: 0.14.0
##
{ 'struct': 'PciMemoryRange', 'data': {'base': 'int', 'limit': 'int'} }

##
# @PciMemoryRegion:
#
# Information about a PCI device I/O region.
#
# @bar: the index of the Base Address Register for this region
#
# @type: 'io' if the region is a PIO region
#        'memory' if the region is a MMIO region
#
# @size: memory size
#
# @prefetch: if @type is 'memory', true if the memory is prefetchable
#
# @mem_type_64: if @type is 'memory', true if the BAR is 64-bit
#
# Since: 0.14.0
##
{ 'struct': 'PciMemoryRegion',
  'data': {'bar': 'int', 'type': 'str', 'address': 'int', 'size': 'int',
           '*prefetch': 'bool', '*mem_type_64': 'bool' } }

##
# @PciBusInfo:
#
# Information about a bus of a PCI Bridge device
#
# @number: primary bus interface number.  This should be the number of the
#          bus the device resides on.
#
# @secondary: secondary bus interface number.  This is the number of the
#             main bus for the bridge
#
# @subordinate: This is the highest number bus that resides below the
#               bridge.
#
# @io_range: The PIO range for all devices on this bridge
#
# @memory_range: The MMIO range for all devices on this bridge
#
# @prefetchable_range: The range of prefetchable MMIO for all devices on
#                      this bridge
#
# Since: 2.4
##
{ 'struct': 'PciBusInfo',
  'data': {'number': 'int', 'secondary': 'int', 'subordinate': 'int',
           'io_range': 'PciMemoryRange',
           'memory_range': 'PciMemoryRange',
           'prefetchable_range': 'PciMemoryRange' } }

##
# @PciBridgeInfo:
#
# Information about a PCI Bridge device
#
# @bus: information about the bus the device resides on
#
# @devices: a list of @PciDeviceInfo for each device on this bridge
#
# Since: 0.14.0
##
{ 'struct': 'PciBridgeInfo',
  'data': {'bus': 'PciBusInfo', '*devices': ['PciDeviceInfo']} }

##
# @PciDeviceClass:
#
# Information about the Class of a PCI device
#
# @desc: a string description of the device's class
#
# @class: the class code of the device
#
# Since: 2.4
##
{ 'struct': 'PciDeviceClass',
  'data': {'*desc': 'str', 'class': 'int'} }

##
# @PciDeviceId:
#
# Information about the Id of a PCI device
#
# @device: the PCI device id
#
# @vendor: the PCI vendor id
#
# Since: 2.4
##
{ 'struct': 'PciDeviceId',
  'data': {'device': 'int', 'vendor': 'int'} }

##
# @PciDeviceInfo:
#
# Information about a PCI device
#
# @bus: the bus number of the device
#
# @slot: the slot the device is located in
#
# @function: the function of the slot used by the device
#
# @class_info: the class of the device
#
# @id: the PCI device id
#
# @irq: if an IRQ is assigned to the device, the IRQ number
#
# @qdev_id: the device name of the PCI device
#
# @pci_bridge: if the device is a PCI bridge, the bridge information
#
# @regions: a list of the PCI I/O regions associated with the device
#
# Notes: the contents of @class_info.desc are not stable and should only be
#        treated as informational.
#
# Since: 0.14.0
##
{ 'struct': 'PciDeviceInfo',
  'data': {'bus': 'int', 'slot': 'int', 'function': 'int',
           'class_info': 'PciDeviceClass', 'id': 'PciDeviceId',
           '*irq': 'int', 'qdev_id': 'str', '*pci_bridge': 'PciBridgeInfo',
           'regions': ['PciMemoryRegion']} }

##
# @PciInfo:
#
# Information about a PCI bus
#
# @bus: the bus index
#
# @devices: a list of devices on this bus
#
# Since: 0.14.0
##
{ 'struct': 'PciInfo', 'data': {'bus': 'int', 'devices': ['PciDeviceInfo']} }

##
# @query-pci:
#
# Return information about the PCI bus topology of the guest.
#
# Returns: a list of @PciInfo for each PCI bus. Each bus is
# represented by a json-object, which has a key with a json-array of
# all PCI devices attached to it. Each device is represented by a
# json-object.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "query-pci" }
# <- { "return": [
#          {
#             "bus": 0,
#             "devices": [
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 0,
#                   "class_info": {
#                      "class": 1536,
#                      "desc": "Host bridge"
#                   },
#                   "id": {
#                      "device": 32902,
#                      "vendor": 4663
#                   },
#                   "function": 0,
#                   "regions": [
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 1,
#                   "class_info": {
#                      "class": 1537,
#                      "desc": "ISA bridge"
#                   },
#                   "id": {
#                      "device": 32902,
#                      "vendor": 28672
#                   },
#                   "function": 0,
#                   "regions": [
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 1,
#                   "class_info": {
#                      "class": 257,
#                      "desc": "IDE controller"
#                   },
#                   "id": {
#                      "device": 32902,
#                      "vendor": 28688
#                   },
#                   "function": 1,
#                   "regions": [
#                      {
#                         "bar": 4,
#                         "size": 16,
#                         "address": 49152,
#                         "type": "io"
#                      }
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "slot": 2,
#                   "class_info": {
#                      "class": 768,
#                      "desc": "VGA controller"
#                   },
#                   "id": {
#                      "device": 4115,
#                      "vendor": 184
#                   },
#                   "function": 0,
#                   "regions": [
#                      {
#                         "prefetch": true,
#                         "mem_type_64": false,
#                         "bar": 0,
#                         "size": 33554432,
#                         "address": 4026531840,
#                         "type": "memory"
#                      },
#                      {
#                         "prefetch": false,
#                         "mem_type_64": false,
#                         "bar": 1,
#                         "size": 4096,
#                         "address": 4060086272,
#                         "type": "memory"
#                      },
#                      {
#                         "prefetch": false,
#                         "mem_type_64": false,
#                         "bar": 6,
#                         "size": 65536,
#                         "address": -1,
#                         "type": "memory"
#                      }
#                   ]
#                },
#                {
#                   "bus": 0,
#                   "qdev_id": "",
#                   "irq": 11,
#                   "slot": 4,
#                   "class_info": {
#                      "class": 1280,
#                      "desc": "RAM controller"
#                   },
#                   "id": {
#                      "device": 6900,
#                      "vendor": 4098
#                   },
#                   "function": 0,
#                   "regions": [
#                      {
#                         "bar": 0,
#                         "size": 32,
#                         "address": 49280,
#                         "type": "io"
#                      }
#                   ]
#                }
#             ]
#          }
#       ]
#    }
#
# Note: This example has been shortened as the real response is too long.
#
##
{ 'command': 'query-pci', 'returns': ['PciInfo'] }

##
# @quit:
#
# This command will cause the QEMU process to exit gracefully.  While every
# attempt is made to send the QMP response before terminating, this is not
# guaranteed.  When using this interface, a premature EOF would not be
# unexpected.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "quit" }
# <- { "return": {} }
##
{ 'command': 'quit' }

##
# @stop:
#
# Stop all guest VCPU execution.
#
# Since:  0.14.0
#
# Notes:  This function will succeed even if the guest is already in the stopped
#         state.  In "inmigrate" state, it will ensure that the guest
#         remains paused once migration finishes, as if the -S option was
#         passed on the command line.
#
# Example:
#
# -> { "execute": "stop" }
# <- { "return": {} }
#
##
{ 'command': 'stop' }

##
# @system_reset:
#
# Performs a hard reset of a guest.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "system_reset" }
# <- { "return": {} }
#
##
{ 'command': 'system_reset' }

##
# @system_powerdown:
#
# Requests that a guest perform a powerdown operation.
#
# Since: 0.14.0
#
# Notes: A guest may or may not respond to this command.  This command
#        returning does not indicate that a guest has accepted the request or
#        that it has shut down.  Many guests will respond to this command by
#        prompting the user in some way.
# Example:
#
# -> { "execute": "system_powerdown" }
# <- { "return": {} }
#
##
{ 'command': 'system_powerdown' }

##
# @cpu-add:
#
# Adds CPU with specified ID
#
# @id: ID of CPU to be created, valid values [0..max_cpus)
#
# Returns: Nothing on success
#
# Since: 1.5
#
# Example:
#
# -> { "execute": "cpu-add", "arguments": { "id": 2 } }
# <- { "return": {} }
#
##
{ 'command': 'cpu-add', 'data': {'id': 'int'} }

##
# @memsave:
#
# Save a portion of guest memory to a file.
#
# @val: the virtual address of the guest to start from
#
# @size: the size of memory region to save
#
# @filename: the file to save the memory to as binary data
#
# @cpu-index: the index of the virtual CPU to use for translating the
#                       virtual address (defaults to CPU 0)
#
# Returns: Nothing on success
#
# Since: 0.14.0
#
# Notes: Errors were not reliably returned until 1.1
#
# Example:
#
# -> { "execute": "memsave",
#      "arguments": { "val": 10,
#                     "size": 100,
#                     "filename": "/tmp/virtual-mem-dump" } }
# <- { "return": {} }
#
##
{ 'command': 'memsave',
  'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }

##
# @pmemsave:
#
# Save a portion of guest physical memory to a file.
#
# @val: the physical address of the guest to start from
#
# @size: the size of memory region to save
#
# @filename: the file to save the memory to as binary data
#
# Returns: Nothing on success
#
# Since: 0.14.0
#
# Notes: Errors were not reliably returned until 1.1
#
# Example:
#
# -> { "execute": "pmemsave",
#      "arguments": { "val": 10,
#                     "size": 100,
#                     "filename": "/tmp/physical-mem-dump" } }
# <- { "return": {} }
#
##
{ 'command': 'pmemsave',
  'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }

##
# @cont:
#
# Resume guest VCPU execution.
#
# Since:  0.14.0
#
# Returns:  If successful, nothing
#
# Notes:  This command will succeed if the guest is currently running.  It
#         will also succeed if the guest is in the "inmigrate" state; in
#         this case, the effect of the command is to make sure the guest
#         starts once migration finishes, removing the effect of the -S
#         command line option if it was passed.
#
# Example:
#
# -> { "execute": "cont" }
# <- { "return": {} }
#
##
{ 'command': 'cont' }

##
# @system_wakeup:
#
# Wakeup guest from suspend.  Does nothing in case the guest isn't suspended.
#
# Since:  1.1
#
# Returns:  nothing.
#
# Example:
#
# -> { "execute": "system_wakeup" }
# <- { "return": {} }
#
##
{ 'command': 'system_wakeup' }

##
# @inject-nmi:
#
# Injects a Non-Maskable Interrupt into the default CPU (x86/s390) or all CPUs (ppc64).
# The command fails when the guest doesn't support injecting.
#
# Returns:  If successful, nothing
#
# Since:  0.14.0
#
# Note: prior to 2.1, this command was only supported for x86 and s390 VMs
#
# Example:
#
# -> { "execute": "inject-nmi" }
# <- { "return": {} }
#
##
{ 'command': 'inject-nmi' }

##
# @balloon:
#
# Request the balloon driver to change its balloon size.
#
# @value: the target size of the balloon in bytes
#
# Returns: Nothing on success
#          If the balloon driver is enabled but not functional because the KVM
#            kernel module cannot support it, KvmMissingCap
#          If no balloon device is present, DeviceNotActive
#
# Notes: This command just issues a request to the guest.  When it returns,
#        the balloon size may not have changed.  A guest can change the balloon
#        size independent of this command.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "balloon", "arguments": { "value": 536870912 } }
# <- { "return": {} }
#
##
{ 'command': 'balloon', 'data': {'value': 'int'} }

##
# @human-monitor-command:
#
# Execute a command on the human monitor and return the output.
#
# @command-line: the command to execute in the human monitor
#
# @cpu-index: The CPU to use for commands that require an implicit CPU
#
# Returns: the output of the command as a string
#
# Since: 0.14.0
#
# Notes: This command only exists as a stop-gap.  Its use is highly
#        discouraged.  The semantics of this command are not
#        guaranteed: this means that command names, arguments and
#        responses can change or be removed at ANY time.  Applications
#        that rely on long term stability guarantees should NOT
#        use this command.
#
#        Known limitations:
#
#        * This command is stateless, this means that commands that depend
#          on state information (such as getfd) might not work
#
#        * Commands that prompt the user for data don't currently work
#
# Example:
#
# -> { "execute": "human-monitor-command",
#      "arguments": { "command-line": "info kvm" } }
# <- { "return": "kvm support: enabled\r\n" }
#
##
{ 'command': 'human-monitor-command',
  'data': {'command-line': 'str', '*cpu-index': 'int'},
  'returns': 'str' }

##
# @ObjectPropertyInfo:
#
# @name: the name of the property
#
# @type: the type of the property.  This will typically come in one of four
#        forms:
#
#        1) A primitive type such as 'u8', 'u16', 'bool', 'str', or 'double'.
#           These types are mapped to the appropriate JSON type.
#
#        2) A child type in the form 'child<subtype>' where subtype is a qdev
#           device type name.  Child properties create the composition tree.
#
#        3) A link type in the form 'link<subtype>' where subtype is a qdev
#           device type name.  Link properties form the device model graph.
#
# Since: 1.2
##
{ 'struct': 'ObjectPropertyInfo',
  'data': { 'name': 'str', 'type': 'str' } }

##
# @qom-list:
#
# This command will list any properties of a object given a path in the object
# model.
#
# @path: the path within the object model.  See @qom-get for a description of
#        this parameter.
#
# Returns: a list of @ObjectPropertyInfo that describe the properties of the
#          object.
#
# Since: 1.2
##
{ 'command': 'qom-list',
  'data': { 'path': 'str' },
  'returns': [ 'ObjectPropertyInfo' ] }

##
# @qom-get:
#
# This command will get a property from a object model path and return the
# value.
#
# @path: The path within the object model.  There are two forms of supported
#        paths--absolute and partial paths.
#
#        Absolute paths are derived from the root object and can follow child<>
#        or link<> properties.  Since they can follow link<> properties, they
#        can be arbitrarily long.  Absolute paths look like absolute filenames
#        and are prefixed  with a leading slash.
#
#        Partial paths look like relative filenames.  They do not begin
#        with a prefix.  The matching rules for partial paths are subtle but
#        designed to make specifying objects easy.  At each level of the
#        composition tree, the partial path is matched as an absolute path.
#        The first match is not returned.  At least two matches are searched
#        for.  A successful result is only returned if only one match is
#        found.  If more than one match is found, a flag is return to
#        indicate that the match was ambiguous.
#
# @property: The property name to read
#
# Returns: The property value.  The type depends on the property
#          type. child<> and link<> properties are returned as #str
#          pathnames.  All integer property types (u8, u16, etc) are
#          returned as #int.
#
# Since: 1.2
##
{ 'command': 'qom-get',
  'data': { 'path': 'str', 'property': 'str' },
  'returns': 'any' }

##
# @qom-set:
#
# This command will set a property from a object model path.
#
# @path: see @qom-get for a description of this parameter
#
# @property: the property name to set
#
# @value: a value who's type is appropriate for the property type.  See @qom-get
#         for a description of type mapping.
#
# Since: 1.2
##
{ 'command': 'qom-set',
  'data': { 'path': 'str', 'property': 'str', 'value': 'any' } }

##
# @change:
#
# This command is multiple commands multiplexed together.
#
# @device: This is normally the name of a block device but it may also be 'vnc'.
#          when it's 'vnc', then sub command depends on @target
#
# @target: If @device is a block device, then this is the new filename.
#          If @device is 'vnc', then if the value 'password' selects the vnc
#          change password command.   Otherwise, this specifies a new server URI
#          address to listen to for VNC connections.
#
# @arg:    If @device is a block device, then this is an optional format to open
#          the device with.
#          If @device is 'vnc' and @target is 'password', this is the new VNC
#          password to set.  See change-vnc-password for additional notes.
#
# Returns: Nothing on success.
#          If @device is not a valid block device, DeviceNotFound
#
# Notes:  This interface is deprecated, and it is strongly recommended that you
#         avoid using it.  For changing block devices, use
#         blockdev-change-medium; for changing VNC parameters, use
#         change-vnc-password.
#
# Since: 0.14.0
#
# Example:
#
# 1. Change a removable medium
#
# -> { "execute": "change",
#      "arguments": { "device": "ide1-cd0",
#                     "target": "/srv/images/Fedora-12-x86_64-DVD.iso" } }
# <- { "return": {} }
#
# 2. Change VNC password
#
# -> { "execute": "change",
#      "arguments": { "device": "vnc", "target": "password",
#                     "arg": "foobar1" } }
# <- { "return": {} }
#
##
{ 'command': 'change',
  'data': {'device': 'str', 'target': 'str', '*arg': 'str'} }

##
# @ObjectTypeInfo:
#
# This structure describes a search result from @qom-list-types
#
# @name: the type name found in the search
#
# @abstract: the type is abstract and can't be directly instantiated.
#            Omitted if false. (since 2.10)
#
# @parent: Name of parent type, if any (since 2.10)
#
# Since: 1.1
##
{ 'struct': 'ObjectTypeInfo',
  'data': { 'name': 'str', '*abstract': 'bool', '*parent': 'str' } }

##
# @qom-list-types:
#
# This command will return a list of types given search parameters
#
# @implements: if specified, only return types that implement this type name
#
# @abstract: if true, include abstract types in the results
#
# Returns: a list of @ObjectTypeInfo or an empty list if no results are found
#
# Since: 1.1
##
{ 'command': 'qom-list-types',
  'data': { '*implements': 'str', '*abstract': 'bool' },
  'returns': [ 'ObjectTypeInfo' ] }

##
# @DevicePropertyInfo:
#
# Information about device properties.
#
# @name: the name of the property
# @type: the typename of the property
# @description: if specified, the description of the property.
#               (since 2.2)
#
# Since: 1.2
##
{ 'struct': 'DevicePropertyInfo',
  'data': { 'name': 'str', 'type': 'str', '*description': 'str' } }

##
# @device-list-properties:
#
# List properties associated with a device.
#
# @typename: the type name of a device
#
# Returns: a list of DevicePropertyInfo describing a devices properties
#
# Since: 1.2
##
{ 'command': 'device-list-properties',
  'data': { 'typename': 'str'},
  'returns': [ 'DevicePropertyInfo' ] }

##
# @xen-set-global-dirty-log:
#
# Enable or disable the global dirty log mode.
#
# @enable: true to enable, false to disable.
#
# Returns: nothing
#
# Since: 1.3
#
# Example:
#
# -> { "execute": "xen-set-global-dirty-log",
#      "arguments": { "enable": true } }
# <- { "return": {} }
#
##
{ 'command': 'xen-set-global-dirty-log', 'data': { 'enable': 'bool' } }

##
# @device_add:
#
# @driver: the name of the new device's driver
#
# @bus: the device's parent bus (device tree path)
#
# @id: the device's ID, must be unique
#
# Additional arguments depend on the type.
#
# Add a device.
#
# Notes:
# 1. For detailed information about this command, please refer to the
#    'docs/qdev-device-use.txt' file.
#
# 2. It's possible to list device properties by running QEMU with the
#    "-device DEVICE,help" command-line argument, where DEVICE is the
#    device's name
#
# Example:
#
# -> { "execute": "device_add",
#      "arguments": { "driver": "e1000", "id": "net1",
#                     "bus": "pci.0",
#                     "mac": "52:54:00:12:34:56" } }
# <- { "return": {} }
#
# TODO: This command effectively bypasses QAPI completely due to its
# "additional arguments" business.  It shouldn't have been added to
# the schema in this form.  It should be qapified properly, or
# replaced by a properly qapified command.
#
# Since: 0.13
##
{ 'command': 'device_add',
  'data': {'driver': 'str', '*bus': 'str', '*id': 'str'},
  'gen': false } # so we can get the additional arguments

##
# @device_del:
#
# Remove a device from a guest
#
# @id: the device's ID or QOM path
#
# Returns: Nothing on success
#          If @id is not a valid device, DeviceNotFound
#
# Notes: When this command completes, the device may not be removed from the
#        guest.  Hot removal is an operation that requires guest cooperation.
#        This command merely requests that the guest begin the hot removal
#        process.  Completion of the device removal process is signaled with a
#        DEVICE_DELETED event. Guest reset will automatically complete removal
#        for all devices.
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "device_del",
#      "arguments": { "id": "net1" } }
# <- { "return": {} }
#
# -> { "execute": "device_del",
#      "arguments": { "id": "/machine/peripheral-anon/device[0]" } }
# <- { "return": {} }
#
##
{ 'command': 'device_del', 'data': {'id': 'str'} }

##
# @DEVICE_DELETED:
#
# Emitted whenever the device removal completion is acknowledged by the guest.
# At this point, it's safe to reuse the specified device ID. Device removal can
# be initiated by the guest or by HMP/QMP commands.
#
# @device: device name
#
# @path: device path
#
# Since: 1.5
#
# Example:
#
# <- { "event": "DEVICE_DELETED",
#      "data": { "device": "virtio-net-pci-0",
#                "path": "/machine/peripheral/virtio-net-pci-0" },
#      "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
#
##
{ 'event': 'DEVICE_DELETED',
  'data': { '*device': 'str', 'path': 'str' } }

##
# @DumpGuestMemoryFormat:
#
# An enumeration of guest-memory-dump's format.
#
# @elf: elf format
#
# @kdump-zlib: kdump-compressed format with zlib-compressed
#
# @kdump-lzo: kdump-compressed format with lzo-compressed
#
# @kdump-snappy: kdump-compressed format with snappy-compressed
#
# Since: 2.0
##
{ 'enum': 'DumpGuestMemoryFormat',
  'data': [ 'elf', 'kdump-zlib', 'kdump-lzo', 'kdump-snappy' ] }

##
# @dump-guest-memory:
#
# Dump guest's memory to vmcore. It is a synchronous operation that can take
# very long depending on the amount of guest memory.
#
# @paging: if true, do paging to get guest's memory mapping. This allows
#          using gdb to process the core file.
#
#          IMPORTANT: this option can make QEMU allocate several gigabytes
#                     of RAM. This can happen for a large guest, or a
#                     malicious guest pretending to be large.
#
#          Also, paging=true has the following limitations:
#
#             1. The guest may be in a catastrophic state or can have corrupted
#                memory, which cannot be trusted
#             2. The guest can be in real-mode even if paging is enabled. For
#                example, the guest uses ACPI to sleep, and ACPI sleep state
#                goes in real-mode
#             3. Currently only supported on i386 and x86_64.
#
# @protocol: the filename or file descriptor of the vmcore. The supported
#            protocols are:
#
#            1. file: the protocol starts with "file:", and the following
#               string is the file's path.
#            2. fd: the protocol starts with "fd:", and the following string
#               is the fd's name.
#
# @detach: if true, QMP will return immediately rather than
#          waiting for the dump to finish. The user can track progress
#          using "query-dump". (since 2.6).
#
# @begin: if specified, the starting physical address.
#
# @length: if specified, the memory size, in bytes. If you don't
#          want to dump all guest's memory, please specify the start @begin
#          and @length
#
# @format: if specified, the format of guest memory dump. But non-elf
#          format is conflict with paging and filter, ie. @paging, @begin and
#          @length is not allowed to be specified with non-elf @format at the
#          same time (since 2.0)
#
# Note: All boolean arguments default to false
#
# Returns: nothing on success
#
# Since: 1.2
#
# Example:
#
# -> { "execute": "dump-guest-memory",
#      "arguments": { "protocol": "fd:dump" } }
# <- { "return": {} }
#
##
{ 'command': 'dump-guest-memory',
  'data': { 'paging': 'bool', 'protocol': 'str', '*detach': 'bool',
            '*begin': 'int', '*length': 'int',
            '*format': 'DumpGuestMemoryFormat'} }

##
# @DumpStatus:
#
# Describe the status of a long-running background guest memory dump.
#
# @none: no dump-guest-memory has started yet.
#
# @active: there is one dump running in background.
#
# @completed: the last dump has finished successfully.
#
# @failed: the last dump has failed.
#
# Since: 2.6
##
{ 'enum': 'DumpStatus',
  'data': [ 'none', 'active', 'completed', 'failed' ] }

##
# @DumpQueryResult:
#
# The result format for 'query-dump'.
#
# @status: enum of @DumpStatus, which shows current dump status
#
# @completed: bytes written in latest dump (uncompressed)
#
# @total: total bytes to be written in latest dump (uncompressed)
#
# Since: 2.6
##
{ 'struct': 'DumpQueryResult',
  'data': { 'status': 'DumpStatus',
            'completed': 'int',
            'total': 'int' } }

##
# @query-dump:
#
# Query latest dump status.
#
# Returns: A @DumpStatus object showing the dump status.
#
# Since: 2.6
#
# Example:
#
# -> { "execute": "query-dump" }
# <- { "return": { "status": "active", "completed": 1024000,
#                  "total": 2048000 } }
#
##
{ 'command': 'query-dump', 'returns': 'DumpQueryResult' }

##
# @DUMP_COMPLETED:
#
# Emitted when background dump has completed
#
# @result: DumpQueryResult type described in qapi-schema.json.
#
# @error: human-readable error string that provides
#         hint on why dump failed. Only presents on failure. The
#         user should not try to interpret the error string.
#
# Since: 2.6
#
# Example:
#
# { "event": "DUMP_COMPLETED",
#   "data": {"result": {"total": 1090650112, "status": "completed",
#                       "completed": 1090650112} } }
#
##
{ 'event': 'DUMP_COMPLETED' ,
  'data': { 'result': 'DumpQueryResult', '*error': 'str' } }

##
# @DumpGuestMemoryCapability:
#
# A list of the available formats for dump-guest-memory
#
# Since: 2.0
##
{ 'struct': 'DumpGuestMemoryCapability',
  'data': {
      'formats': ['DumpGuestMemoryFormat'] } }

##
# @query-dump-guest-memory-capability:
#
# Returns the available formats for dump-guest-memory
#
# Returns:  A @DumpGuestMemoryCapability object listing available formats for
#           dump-guest-memory
#
# Since: 2.0
#
# Example:
#
# -> { "execute": "query-dump-guest-memory-capability" }
# <- { "return": { "formats":
#                  ["elf", "kdump-zlib", "kdump-lzo", "kdump-snappy"] }
#
##
{ 'command': 'query-dump-guest-memory-capability',
  'returns': 'DumpGuestMemoryCapability' }

##
# @dump-skeys:
#
# Dump guest's storage keys
#
# @filename: the path to the file to dump to
#
# This command is only supported on s390 architecture.
#
# Since: 2.5
#
# Example:
#
# -> { "execute": "dump-skeys",
#      "arguments": { "filename": "/tmp/skeys" } }
# <- { "return": {} }
#
##
{ 'command': 'dump-skeys',
  'data': { 'filename': 'str' } }

##
# @object-add:
#
# Create a QOM object.
#
# @qom-type: the class name for the object to be created
#
# @id: the name of the new object
#
# @props: a dictionary of properties to be passed to the backend
#
# Returns: Nothing on success
#          Error if @qom-type is not a valid class name
#
# Since: 2.0
#
# Example:
#
# -> { "execute": "object-add",
#      "arguments": { "qom-type": "rng-random", "id": "rng1",
#                     "props": { "filename": "/dev/hwrng" } } }
# <- { "return": {} }
#
##
{ 'command': 'object-add',
  'data': {'qom-type': 'str', 'id': 'str', '*props': 'any'} }

##
# @object-del:
#
# Remove a QOM object.
#
# @id: the name of the QOM object to remove
#
# Returns: Nothing on success
#          Error if @id is not a valid id for a QOM object
#
# Since: 2.0
#
# Example:
#
# -> { "execute": "object-del", "arguments": { "id": "rng1" } }
# <- { "return": {} }
#
##
{ 'command': 'object-del', 'data': {'id': 'str'} }

##
# @getfd:
#
# Receive a file descriptor via SCM rights and assign it a name
#
# @fdname: file descriptor name
#
# Returns: Nothing on success
#
# Since: 0.14.0
#
# Notes: If @fdname already exists, the file descriptor assigned to
#        it will be closed and replaced by the received file
#        descriptor.
#
#        The 'closefd' command can be used to explicitly close the
#        file descriptor when it is no longer needed.
#
# Example:
#
# -> { "execute": "getfd", "arguments": { "fdname": "fd1" } }
# <- { "return": {} }
#
##
{ 'command': 'getfd', 'data': {'fdname': 'str'} }

##
# @closefd:
#
# Close a file descriptor previously passed via SCM rights
#
# @fdname: file descriptor name
#
# Returns: Nothing on success
#
# Since: 0.14.0
#
# Example:
#
# -> { "execute": "closefd", "arguments": { "fdname": "fd1" } }
# <- { "return": {} }
#
##
{ 'command': 'closefd', 'data': {'fdname': 'str'} }

##
# @MachineInfo:
#
# Information describing a machine.
#
# @name: the name of the machine
#
# @alias: an alias for the machine name
#
# @is-default: whether the machine is default
#
# @cpu-max: maximum number of CPUs supported by the machine type
#           (since 1.5.0)
#
# @hotpluggable-cpus: cpu hotplug via -device is supported (since 2.7.0)
#
# Since: 1.2.0
##
{ 'struct': 'MachineInfo',
  'data': { 'name': 'str', '*alias': 'str',
            '*is-default': 'bool', 'cpu-max': 'int',
            'hotpluggable-cpus': 'bool'} }

##
# @query-machines:
#
# Return a list of supported machines
#
# Returns: a list of MachineInfo
#
# Since: 1.2.0
##
{ 'command': 'query-machines', 'returns': ['MachineInfo'] }

##
# @CpuDefinitionInfo:
#
# Virtual CPU definition.
#
# @name: the name of the CPU definition
#
# @migration-safe: whether a CPU definition can be safely used for
#                  migration in combination with a QEMU compatibility machine
#                  when migrating between different QMU versions and between
#                  hosts with different sets of (hardware or software)
#                  capabilities. If not provided, information is not available
#                  and callers should not assume the CPU definition to be
#                  migration-safe. (since 2.8)
#
# @static: whether a CPU definition is static and will not change depending on
#          QEMU version, machine type, machine options and accelerator options.
#          A static model is always migration-safe. (since 2.8)
#
# @unavailable-features: List of properties that prevent
#                        the CPU model from running in the current
#                        host. (since 2.8)
# @typename: Type name that can be used as argument to @device-list-properties,
#            to introspect properties configurable using -cpu or -global.
#            (since 2.9)
#
# @unavailable-features is a list of QOM property names that
# represent CPU model attributes that prevent the CPU from running.
# If the QOM property is read-only, that means there's no known
# way to make the CPU model run in the current host. Implementations
# that choose not to provide specific information return the
# property name "type".
# If the property is read-write, it means that it MAY be possible
# to run the CPU model in the current host if that property is
# changed. Management software can use it as hints to suggest or
# choose an alternative for the user, or just to generate meaningful
# error messages explaining why the CPU model can't be used.
# If @unavailable-features is an empty list, the CPU model is
# runnable using the current host and machine-type.
# If @unavailable-features is not present, runnability
# information for the CPU is not available.
#
# Since: 1.2.0
##
{ 'struct': 'CpuDefinitionInfo',
  'data': { 'name': 'str', '*migration-safe': 'bool', 'static': 'bool',
            '*unavailable-features': [ 'str' ], 'typename': 'str' } }

##
# @MemoryInfo:
#
# Actual memory information in bytes.
#
# @base-memory: size of "base" memory specified with command line
#               option -m.
#
# @plugged-memory: size of memory that can be hot-unplugged. This field
#                  is omitted if target doesn't support memory hotplug
#                  (i.e. CONFIG_MEM_HOTPLUG not defined on build time).
#
# Since: 2.11.0
##
{ 'struct': 'MemoryInfo',
  'data'  : { 'base-memory': 'size', '*plugged-memory': 'size' } }

##
# @query-memory-size-summary:
#
# Return the amount of initially allocated and present hotpluggable (if
# enabled) memory in bytes.
#
# Example:
#
# -> { "execute": "query-memory-size-summary" }
# <- { "return": { "base-memory": 4294967296, "plugged-memory": 0 } }
#
# Since: 2.11.0
##
{ 'command': 'query-memory-size-summary', 'returns': 'MemoryInfo' }

##
# @query-cpu-definitions:
#
# Return a list of supported virtual CPU definitions
#
# Returns: a list of CpuDefInfo
#
# Since: 1.2.0
##
{ 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'] }

##
# @CpuModelInfo:
#
# Virtual CPU model.
#
# A CPU model consists of the name of a CPU definition, to which
# delta changes are applied (e.g. features added/removed). Most magic values
# that an architecture might require should be hidden behind the name.
# However, if required, architectures can expose relevant properties.
#
# @name: the name of the CPU definition the model is based on
# @props: a dictionary of QOM properties to be applied
#
# Since: 2.8.0
##
{ 'struct': 'CpuModelInfo',
  'data': { 'name': 'str',
            '*props': 'any' } }

##
# @CpuModelExpansionType:
#
# An enumeration of CPU model expansion types.
#
# @static: Expand to a static CPU model, a combination of a static base
#          model name and property delta changes. As the static base model will
#          never change, the expanded CPU model will be the same, independent of
#          independent of QEMU version, machine type, machine options, and
#          accelerator options. Therefore, the resulting model can be used by
#          tooling without having to specify a compatibility machine - e.g. when
#          displaying the "host" model. static CPU models are migration-safe.
#
# @full: Expand all properties. The produced model is not guaranteed to be
#        migration-safe, but allows tooling to get an insight and work with
#        model details.
#
# Note: When a non-migration-safe CPU model is expanded in static mode, some
# features enabled by the CPU model may be omitted, because they can't be
# implemented by a static CPU model definition (e.g. cache info passthrough and
# PMU passthrough in x86). If you need an accurate representation of the
# features enabled by a non-migration-safe CPU model, use @full. If you need a
# static representation that will keep ABI compatibility even when changing QEMU
# version or machine-type, use @static (but keep in mind that some features may
# be omitted).
#
# Since: 2.8.0
##
{ 'enum': 'CpuModelExpansionType',
  'data': [ 'static', 'full' ] }


##
# @CpuModelExpansionInfo:
#
# The result of a cpu model expansion.
#
# @model: the expanded CpuModelInfo.
#
# Since: 2.8.0
##
{ 'struct': 'CpuModelExpansionInfo',
  'data': { 'model': 'CpuModelInfo' } }


##
# @query-cpu-model-expansion:
#
# Expands a given CPU model (or a combination of CPU model + additional options)
# to different granularities, allowing tooling to get an understanding what a
# specific CPU model looks like in QEMU under a certain configuration.
#
# This interface can be used to query the "host" CPU model.
#
# The data returned by this command may be affected by:
#
# * QEMU version: CPU models may look different depending on the QEMU version.
#   (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine-type: CPU model  may look different depending on the machine-type.
#   (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine options (including accelerator): in some architectures, CPU models
#   may look different depending on machine and accelerator options. (Except for
#   CPU models reported as "static" in query-cpu-definitions.)
# * "-cpu" arguments and global properties: arguments to the -cpu option and
#   global properties may affect expansion of CPU models. Using
#   query-cpu-model-expansion while using these is not advised.
#
# Some architectures may not support all expansion types. s390x supports
# "full" and "static".
#
# Returns: a CpuModelExpansionInfo. Returns an error if expanding CPU models is
#          not supported, if the model cannot be expanded, if the model contains
#          an unknown CPU definition name, unknown properties or properties
#          with a wrong type. Also returns an error if an expansion type is
#          not supported.
#
# Since: 2.8.0
##
{ 'command': 'query-cpu-model-expansion',
  'data': { 'type': 'CpuModelExpansionType',
            'model': 'CpuModelInfo' },
  'returns': 'CpuModelExpansionInfo' }

##
# @CpuModelCompareResult:
#
# An enumeration of CPU model comparison results. The result is usually
# calculated using e.g. CPU features or CPU generations.
#
# @incompatible: If model A is incompatible to model B, model A is not
#                guaranteed to run where model B runs and the other way around.
#
# @identical: If model A is identical to model B, model A is guaranteed to run
#             where model B runs and the other way around.
#
# @superset: If model A is a superset of model B, model B is guaranteed to run
#            where model A runs. There are no guarantees about the other way.
#
# @subset: If model A is a subset of model B, model A is guaranteed to run
#          where model B runs. There are no guarantees about the other way.
#
# Since: 2.8.0
##
{ 'enum': 'CpuModelCompareResult',
  'data': [ 'incompatible', 'identical', 'superset', 'subset' ] }

##
# @CpuModelCompareInfo:
#
# The result of a CPU model comparison.
#
# @result: The result of the compare operation.
# @responsible-properties: List of properties that led to the comparison result
#                          not being identical.
#
# @responsible-properties is a list of QOM property names that led to
# both CPUs not being detected as identical. For identical models, this
# list is empty.
# If a QOM property is read-only, that means there's no known way to make the
# CPU models identical. If the special property name "type" is included, the
# models are by definition not identical and cannot be made identical.
#
# Since: 2.8.0
##
{ 'struct': 'CpuModelCompareInfo',
  'data': {'result': 'CpuModelCompareResult',
           'responsible-properties': ['str']
          }
}

##
# @query-cpu-model-comparison:
#
# Compares two CPU models, returning how they compare in a specific
# configuration. The results indicates how both models compare regarding
# runnability. This result can be used by tooling to make decisions if a
# certain CPU model will run in a certain configuration or if a compatible
# CPU model has to be created by baselining.
#
# Usually, a CPU model is compared against the maximum possible CPU model
# of a certain configuration (e.g. the "host" model for KVM). If that CPU
# model is identical or a subset, it will run in that configuration.
#
# The result returned by this command may be affected by:
#
# * QEMU version: CPU models may look different depending on the QEMU version.
#   (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine-type: CPU model may look different depending on the machine-type.
#   (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine options (including accelerator): in some architectures, CPU models
#   may look different depending on machine and accelerator options. (Except for
#   CPU models reported as "static" in query-cpu-definitions.)
# * "-cpu" arguments and global properties: arguments to the -cpu option and
#   global properties may affect expansion of CPU models. Using
#   query-cpu-model-expansion while using these is not advised.
#
# Some architectures may not support comparing CPU models. s390x supports
# comparing CPU models.
#
# Returns: a CpuModelBaselineInfo. Returns an error if comparing CPU models is
#          not supported, if a model cannot be used, if a model contains
#          an unknown cpu definition name, unknown properties or properties
#          with wrong types.
#
# Since: 2.8.0
##
{ 'command': 'query-cpu-model-comparison',
  'data': { 'modela': 'CpuModelInfo', 'modelb': 'CpuModelInfo' },
  'returns': 'CpuModelCompareInfo' }

##
# @CpuModelBaselineInfo:
#
# The result of a CPU model baseline.
#
# @model: the baselined CpuModelInfo.
#
# Since: 2.8.0
##
{ 'struct': 'CpuModelBaselineInfo',
  'data': { 'model': 'CpuModelInfo' } }

##
# @query-cpu-model-baseline:
#
# Baseline two CPU models, creating a compatible third model. The created
# model will always be a static, migration-safe CPU model (see "static"
# CPU model expansion for details).
#
# This interface can be used by tooling to create a compatible CPU model out
# two CPU models. The created CPU model will be identical to or a subset of
# both CPU models when comparing them. Therefore, the created CPU model is
# guaranteed to run where the given CPU models run.
#
# The result returned by this command may be affected by:
#
# * QEMU version: CPU models may look different depending on the QEMU version.
#   (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine-type: CPU model may look different depending on the machine-type.
#   (Except for CPU models reported as "static" in query-cpu-definitions.)
# * machine options (including accelerator): in some architectures, CPU models
#   may look different depending on machine and accelerator options. (Except for
#   CPU models reported as "static" in query-cpu-definitions.)
# * "-cpu" arguments and global properties: arguments to the -cpu option and
#   global properties may affect expansion of CPU models. Using
#   query-cpu-model-expansion while using these is not advised.
#
# Some architectures may not support baselining CPU models. s390x supports
# baselining CPU models.
#
# Returns: a CpuModelBaselineInfo. Returns an error if baselining CPU models is
#          not supported, if a model cannot be used, if a model contains
#          an unknown cpu definition name, unknown properties or properties
#          with wrong types.
#
# Since: 2.8.0
##
{ 'command': 'query-cpu-model-baseline',
  'data': { 'modela': 'CpuModelInfo',
            'modelb': 'CpuModelInfo' },
  'returns': 'CpuModelBaselineInfo' }

##
# @AddfdInfo:
#
# Information about a file descriptor that was added to an fd set.
#
# @fdset-id: The ID of the fd set that @fd was added to.
#
# @fd: The file descriptor that was received via SCM rights and
#      added to the fd set.
#
# Since: 1.2.0
##
{ 'struct': 'AddfdInfo', 'data': {'fdset-id': 'int', 'fd': 'int'} }

##
# @add-fd:
#
# Add a file descriptor, that was passed via SCM rights, to an fd set.
#
# @fdset-id: The ID of the fd set to add the file descriptor to.
#
# @opaque: A free-form string that can be used to describe the fd.
#
# Returns: @AddfdInfo on success
#
#          If file descriptor was not received, FdNotSupplied
#
#          If @fdset-id is a negative value, InvalidParameterValue
#
# Notes: The list of fd sets is shared by all monitor connections.
#
#        If @fdset-id is not specified, a new fd set will be created.
#
# Since: 1.2.0
#
# Example:
#
# -> { "execute": "add-fd", "arguments": { "fdset-id": 1 } }
# <- { "return": { "fdset-id": 1, "fd": 3 } }
#
##
{ 'command': 'add-fd', 'data': {'*fdset-id': 'int', '*opaque': 'str'},
  'returns': 'AddfdInfo' }

##
# @remove-fd:
#
# Remove a file descriptor from an fd set.
#
# @fdset-id: The ID of the fd set that the file descriptor belongs to.
#
# @fd: The file descriptor that is to be removed.
#
# Returns: Nothing on success
#          If @fdset-id or @fd is not found, FdNotFound
#
# Since: 1.2.0
#
# Notes: The list of fd sets is shared by all monitor connections.
#
#        If @fd is not specified, all file descriptors in @fdset-id
#        will be removed.
#
# Example:
#
# -> { "execute": "remove-fd", "arguments": { "fdset-id": 1, "fd": 3 } }
# <- { "return": {} }
#
##
{ 'command': 'remove-fd', 'data': {'fdset-id': 'int', '*fd': 'int'} }

##
# @FdsetFdInfo:
#
# Information about a file descriptor that belongs to an fd set.
#
# @fd: The file descriptor value.
#
# @opaque: A free-form string that can be used to describe the fd.
#
# Since: 1.2.0
##
{ 'struct': 'FdsetFdInfo',
  'data': {'fd': 'int', '*opaque': 'str'} }

##
# @FdsetInfo:
#
# Information about an fd set.
#
# @fdset-id: The ID of the fd set.
#
# @fds: A list of file descriptors that belong to this fd set.
#
# Since: 1.2.0
##
{ 'struct': 'FdsetInfo',
  'data': {'fdset-id': 'int', 'fds': ['FdsetFdInfo']} }

##
# @query-fdsets:
#
# Return information describing all fd sets.
#
# Returns: A list of @FdsetInfo
#
# Since: 1.2.0
#
# Note: The list of fd sets is shared by all monitor connections.
#
# Example:
#
# -> { "execute": "query-fdsets" }
# <- { "return": [
#        {
#          "fds": [
#            {
#              "fd": 30,
#              "opaque": "rdonly:/path/to/file"
#            },
#            {
#              "fd": 24,
#              "opaque": "rdwr:/path/to/file"
#            }
#          ],
#          "fdset-id": 1
#        },
#        {
#          "fds": [
#            {
#              "fd": 28
#            },
#            {
#              "fd": 29
#            }
#          ],
#          "fdset-id": 0
#        }
#      ]
#    }
#
##
{ 'command': 'query-fdsets', 'returns': ['FdsetInfo'] }

##
# @TargetInfo:
#
# Information describing the QEMU target.
#
# @arch: the target architecture (eg "x86_64", "i386", etc)
#
# Since: 1.2.0
##
{ 'struct': 'TargetInfo',
  'data': { 'arch': 'str' } }

##
# @query-target:
#
# Return information about the target for this QEMU
#
# Returns: TargetInfo
#
# Since: 1.2.0
##
{ 'command': 'query-target', 'returns': 'TargetInfo' }

##
# @AcpiTableOptions:
#
# Specify an ACPI table on the command line to load.
#
# At most one of @file and @data can be specified. The list of files specified
# by any one of them is loaded and concatenated in order. If both are omitted,
# @data is implied.
#
# Other fields / optargs can be used to override fields of the generic ACPI
# table header; refer to the ACPI specification 5.0, section 5.2.6 System
# Description Table Header. If a header field is not overridden, then the
# corresponding value from the concatenated blob is used (in case of @file), or
# it is filled in with a hard-coded value (in case of @data).
#
# String fields are copied into the matching ACPI member from lowest address
# upwards, and silently truncated / NUL-padded to length.
#
# @sig: table signature / identifier (4 bytes)
#
# @rev: table revision number (dependent on signature, 1 byte)
#
# @oem_id: OEM identifier (6 bytes)
#
# @oem_table_id: OEM table identifier (8 bytes)
#
# @oem_rev: OEM-supplied revision number (4 bytes)
#
# @asl_compiler_id: identifier of the utility that created the table
#                   (4 bytes)
#
# @asl_compiler_rev: revision number of the utility that created the
#                    table (4 bytes)
#
# @file: colon (:) separated list of pathnames to load and
#        concatenate as table data. The resultant binary blob is expected to
#        have an ACPI table header. At least one file is required. This field
#        excludes @data.
#
# @data: colon (:) separated list of pathnames to load and
#        concatenate as table data. The resultant binary blob must not have an
#        ACPI table header. At least one file is required. This field excludes
#        @file.
#
# Since: 1.5
##
{ 'struct': 'AcpiTableOptions',
  'data': {
    '*sig':               'str',
    '*rev':               'uint8',
    '*oem_id':            'str',
    '*oem_table_id':      'str',
    '*oem_rev':           'uint32',
    '*asl_compiler_id':   'str',
    '*asl_compiler_rev':  'uint32',
    '*file':              'str',
    '*data':              'str' }}

##
# @CommandLineParameterType:
#
# Possible types for an option parameter.
#
# @string: accepts a character string
#
# @boolean: accepts "on" or "off"
#
# @number: accepts a number
#
# @size: accepts a number followed by an optional suffix (K)ilo,
#        (M)ega, (G)iga, (T)era
#
# Since: 1.5
##
{ 'enum': 'CommandLineParameterType',
  'data': ['string', 'boolean', 'number', 'size'] }

##
# @CommandLineParameterInfo:
#
# Details about a single parameter of a command line option.
#
# @name: parameter name
#
# @type: parameter @CommandLineParameterType
#
# @help: human readable text string, not suitable for parsing.
#
# @default: default value string (since 2.1)
#
# Since: 1.5
##
{ 'struct': 'CommandLineParameterInfo',
  'data': { 'name': 'str',
            'type': 'CommandLineParameterType',
            '*help': 'str',
            '*default': 'str' } }

##
# @CommandLineOptionInfo:
#
# Details about a command line option, including its list of parameter details
#
# @option: option name
#
# @parameters: an array of @CommandLineParameterInfo
#
# Since: 1.5
##
{ 'struct': 'CommandLineOptionInfo',
  'data': { 'option': 'str', 'parameters': ['CommandLineParameterInfo'] } }

##
# @query-command-line-options:
#
# Query command line option schema.
#
# @option: option name
#
# Returns: list of @CommandLineOptionInfo for all options (or for the given
#          @option).  Returns an error if the given @option doesn't exist.
#
# Since: 1.5
#
# Example:
#
# -> { "execute": "query-command-line-options",
#      "arguments": { "option": "option-rom" } }
# <- { "return": [
#         {
#             "parameters": [
#                 {
#                     "name": "romfile",
#                     "type": "string"
#                 },
#                 {
#                     "name": "bootindex",
#                     "type": "number"
#                 }
#             ],
#             "option": "option-rom"
#         }
#      ]
#    }
#
##
{'command': 'query-command-line-options', 'data': { '*option': 'str' },
 'returns': ['CommandLineOptionInfo'] }

##
# @X86CPURegister32:
#
# A X86 32-bit register
#
# Since: 1.5
##
{ 'enum': 'X86CPURegister32',
  'data': [ 'EAX', 'EBX', 'ECX', 'EDX', 'ESP', 'EBP', 'ESI', 'EDI' ] }

##
# @X86CPUFeatureWordInfo:
#
# Information about a X86 CPU feature word
#
# @cpuid-input-eax: Input EAX value for CPUID instruction for that feature word
#
# @cpuid-input-ecx: Input ECX value for CPUID instruction for that
#                   feature word
#
# @cpuid-register: Output register containing the feature bits
#
# @features: value of output register, containing the feature bits
#
# Since: 1.5
##
{ 'struct': 'X86CPUFeatureWordInfo',
  'data': { 'cpuid-input-eax': 'int',
            '*cpuid-input-ecx': 'int',
            'cpuid-register': 'X86CPURegister32',
            'features': 'int' } }

##
# @DummyForceArrays:
#
# Not used by QMP; hack to let us use X86CPUFeatureWordInfoList internally
#
# Since: 2.5
##
{ 'struct': 'DummyForceArrays',
  'data': { 'unused': ['X86CPUFeatureWordInfo'] } }


##
# @NumaOptionsType:
#
# @node: NUMA nodes configuration
#
# @dist: NUMA distance configuration (since 2.10)
#
# @cpu: property based CPU(s) to node mapping (Since: 2.10)
#
# Since: 2.1
##
{ 'enum': 'NumaOptionsType',
  'data': [ 'node', 'dist', 'cpu' ] }

##
# @NumaOptions:
#
# A discriminated record of NUMA options. (for OptsVisitor)
#
# Since: 2.1
##
{ 'union': 'NumaOptions',
  'base': { 'type': 'NumaOptionsType' },
  'discriminator': 'type',
  'data': {
    'node': 'NumaNodeOptions',
    'dist': 'NumaDistOptions',
    'cpu': 'NumaCpuOptions' }}

##
# @NumaNodeOptions:
#
# Create a guest NUMA node. (for OptsVisitor)
#
# @nodeid: NUMA node ID (increase by 1 from 0 if omitted)
#
# @cpus: VCPUs belonging to this node (assign VCPUS round-robin
#         if omitted)
#
# @mem: memory size of this node; mutually exclusive with @memdev.
#       Equally divide total memory among nodes if both @mem and @memdev are
#       omitted.
#
# @memdev: memory backend object.  If specified for one node,
#          it must be specified for all nodes.
#
# Since: 2.1
##
{ 'struct': 'NumaNodeOptions',
  'data': {
   '*nodeid': 'uint16',
   '*cpus':   ['uint16'],
   '*mem':    'size',
   '*memdev': 'str' }}

##
# @NumaDistOptions:
#
# Set the distance between 2 NUMA nodes.
#
# @src: source NUMA node.
#
# @dst: destination NUMA node.
#
# @val: NUMA distance from source node to destination node.
#       When a node is unreachable from another node, set the distance
#       between them to 255.
#
# Since: 2.10
##
{ 'struct': 'NumaDistOptions',
  'data': {
   'src': 'uint16',
   'dst': 'uint16',
   'val': 'uint8' }}

##
# @NumaCpuOptions:
#
# Option "-numa cpu" overrides default cpu to node mapping.
# It accepts the same set of cpu properties as returned by
# query-hotpluggable-cpus[].props, where node-id could be used to
# override default node mapping.
#
# Since: 2.10
##
{ 'struct': 'NumaCpuOptions',
   'base': 'CpuInstanceProperties',
   'data' : {} }

##
# @HostMemPolicy:
#
# Host memory policy types
#
# @default: restore default policy, remove any nondefault policy
#
# @preferred: set the preferred host nodes for allocation
#
# @bind: a strict policy that restricts memory allocation to the
#        host nodes specified
#
# @interleave: memory allocations are interleaved across the set
#              of host nodes specified
#
# Since: 2.1
##
{ 'enum': 'HostMemPolicy',
  'data': [ 'default', 'preferred', 'bind', 'interleave' ] }

##
# @Memdev:
#
# Information about memory backend
#
# @id: backend's ID if backend has 'id' property (since 2.9)
#
# @size: memory backend size
#
# @merge: enables or disables memory merge support
#
# @dump: includes memory backend's memory in a core dump or not
#
# @prealloc: enables or disables memory preallocation
#
# @host-nodes: host nodes for its memory policy
#
# @policy: memory policy of memory backend
#
# Since: 2.1
##
{ 'struct': 'Memdev',
  'data': {
    '*id':        'str',
    'size':       'size',
    'merge':      'bool',
    'dump':       'bool',
    'prealloc':   'bool',
    'host-nodes': ['uint16'],
    'policy':     'HostMemPolicy' }}

##
# @query-memdev:
#
# Returns information for all memory backends.
#
# Returns: a list of @Memdev.
#
# Since: 2.1
#
# Example:
#
# -> { "execute": "query-memdev" }
# <- { "return": [
#        {
#          "id": "mem1",
#          "size": 536870912,
#          "merge": false,
#          "dump": true,
#          "prealloc": false,
#          "host-nodes": [0, 1],
#          "policy": "bind"
#        },
#        {
#          "size": 536870912,
#          "merge": false,
#          "dump": true,
#          "prealloc": true,
#          "host-nodes": [2, 3],
#          "policy": "preferred"
#        }
#      ]
#    }
#
##
{ 'command': 'query-memdev', 'returns': ['Memdev'] }

##
# @PCDIMMDeviceInfo:
#
# PCDIMMDevice state information
#
# @id: device's ID
#
# @addr: physical address, where device is mapped
#
# @size: size of memory that the device provides
#
# @slot: slot number at which device is plugged in
#
# @node: NUMA node number where device is plugged in
#
# @memdev: memory backend linked with device
#
# @hotplugged: true if device was hotplugged
#
# @hotpluggable: true if device if could be added/removed while machine is running
#
# Since: 2.1
##
{ 'struct': 'PCDIMMDeviceInfo',
  'data': { '*id': 'str',
            'addr': 'int',
            'size': 'int',
            'slot': 'int',
            'node': 'int',
            'memdev': 'str',
            'hotplugged': 'bool',
            'hotpluggable': 'bool'
          }
}

##
# @MemoryDeviceInfo:
#
# Union containing information about a memory device
#
# Since: 2.1
##
{ 'union': 'MemoryDeviceInfo', 'data': {'dimm': 'PCDIMMDeviceInfo'} }

##
# @query-memory-devices:
#
# Lists available memory devices and their state
#
# Since: 2.1
#
# Example:
#
# -> { "execute": "query-memory-devices" }
# <- { "return": [ { "data":
#                       { "addr": 5368709120,
#                         "hotpluggable": true,
#                         "hotplugged": true,
#                         "id": "d1",
#                         "memdev": "/objects/memX",
#                         "node": 0,
#                         "size": 1073741824,
#                         "slot": 0},
#                    "type": "dimm"
#                  } ] }
#
##
{ 'command': 'query-memory-devices', 'returns': ['MemoryDeviceInfo'] }

##
# @MEM_UNPLUG_ERROR:
#
# Emitted when memory hot unplug error occurs.
#
# @device: device name
#
# @msg: Informative message
#
# Since: 2.4
#
# Example:
#
# <- { "event": "MEM_UNPLUG_ERROR"
#      "data": { "device": "dimm1",
#                "msg": "acpi: device unplug for unsupported device"
#      },
#      "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
#
##
{ 'event': 'MEM_UNPLUG_ERROR',
  'data': { 'device': 'str', 'msg': 'str' } }

##
# @ACPISlotType:
#
# @DIMM: memory slot
# @CPU: logical CPU slot (since 2.7)
##
{ 'enum': 'ACPISlotType', 'data': [ 'DIMM', 'CPU' ] }

##
# @ACPIOSTInfo:
#
# OSPM Status Indication for a device
# For description of possible values of @source and @status fields
# see "_OST (OSPM Status Indication)" chapter of ACPI5.0 spec.
#
# @device: device ID associated with slot
#
# @slot: slot ID, unique per slot of a given @slot-type
#
# @slot-type: type of the slot
#
# @source: an integer containing the source event
#
# @status: an integer containing the status code
#
# Since: 2.1
##
{ 'struct': 'ACPIOSTInfo',
  'data'  : { '*device': 'str',
              'slot': 'str',
              'slot-type': 'ACPISlotType',
              'source': 'int',
              'status': 'int' } }

##
# @query-acpi-ospm-status:
#
# Return a list of ACPIOSTInfo for devices that support status
# reporting via ACPI _OST method.
#
# Since: 2.1
#
# Example:
#
# -> { "execute": "query-acpi-ospm-status" }
# <- { "return": [ { "device": "d1", "slot": "0", "slot-type": "DIMM", "source": 1, "status": 0},
#                  { "slot": "1", "slot-type": "DIMM", "source": 0, "status": 0},
#                  { "slot": "2", "slot-type": "DIMM", "source": 0, "status": 0},
#                  { "slot": "3", "slot-type": "DIMM", "source": 0, "status": 0}
#    ]}
#
##
{ 'command': 'query-acpi-ospm-status', 'returns': ['ACPIOSTInfo'] }

##
# @ACPI_DEVICE_OST:
#
# Emitted when guest executes ACPI _OST method.
#
# @info: ACPIOSTInfo type as described in qapi-schema.json
#
# Since: 2.1
#
# Example:
#
# <- { "event": "ACPI_DEVICE_OST",
#      "data": { "device": "d1", "slot": "0",
#                "slot-type": "DIMM", "source": 1, "status": 0 } }
#
##
{ 'event': 'ACPI_DEVICE_OST',
     'data': { 'info': 'ACPIOSTInfo' } }

##
# @rtc-reset-reinjection:
#
# This command will reset the RTC interrupt reinjection backlog.
# Can be used if another mechanism to synchronize guest time
# is in effect, for example QEMU guest agent's guest-set-time
# command.
#
# Since: 2.1
#
# Example:
#
# -> { "execute": "rtc-reset-reinjection" }
# <- { "return": {} }
#
##
{ 'command': 'rtc-reset-reinjection' }

##
# @RTC_CHANGE:
#
# Emitted when the guest changes the RTC time.
#
# @offset: offset between base RTC clock (as specified by -rtc base), and
#          new RTC clock value
#
# Note: This event is rate-limited.
#
# Since: 0.13.0
#
# Example:
#
# <-   { "event": "RTC_CHANGE",
#        "data": { "offset": 78 },
#        "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
#
##
{ 'event': 'RTC_CHANGE',
  'data': { 'offset': 'int' } }

##
# @ReplayMode:
#
# Mode of the replay subsystem.
#
# @none: normal execution mode. Replay or record are not enabled.
#
# @record: record mode. All non-deterministic data is written into the
#          replay log.
#
# @play: replay mode. Non-deterministic data required for system execution
#        is read from the log.
#
# Since: 2.5
##
{ 'enum': 'ReplayMode',
  'data': [ 'none', 'record', 'play' ] }

##
# @xen-load-devices-state:
#
# Load the state of all devices from file. The RAM and the block devices
# of the VM are not loaded by this command.
#
# @filename: the file to load the state of the devices from as binary
# data. See xen-save-devices-state.txt for a description of the binary
# format.
#
# Since: 2.7
#
# Example:
#
# -> { "execute": "xen-load-devices-state",
#      "arguments": { "filename": "/tmp/resume" } }
# <- { "return": {} }
#
##
{ 'command': 'xen-load-devices-state', 'data': {'filename': 'str'} }

##
# @GICCapability:
#
# The struct describes capability for a specific GIC (Generic
# Interrupt Controller) version. These bits are not only decided by
# QEMU/KVM software version, but also decided by the hardware that
# the program is running upon.
#
# @version:  version of GIC to be described. Currently, only 2 and 3
#            are supported.
#
# @emulated: whether current QEMU/hardware supports emulated GIC
#            device in user space.
#
# @kernel:   whether current QEMU/hardware supports hardware
#            accelerated GIC device in kernel.
#
# Since: 2.6
##
{ 'struct': 'GICCapability',
  'data': { 'version': 'int',
            'emulated': 'bool',
            'kernel': 'bool' } }

##
# @query-gic-capabilities:
#
# This command is ARM-only. It will return a list of GICCapability
# objects that describe its capability bits.
#
# Returns: a list of GICCapability objects.
#
# Since: 2.6
#
# Example:
#
# -> { "execute": "query-gic-capabilities" }
# <- { "return": [{ "version": 2, "emulated": true, "kernel": false },
#                 { "version": 3, "emulated": false, "kernel": true } ] }
#
##
{ 'command': 'query-gic-capabilities', 'returns': ['GICCapability'] }

##
# @CpuInstanceProperties:
#
# List of properties to be used for hotplugging a CPU instance,
# it should be passed by management with device_add command when
# a CPU is being hotplugged.
#
# @node-id: NUMA node ID the CPU belongs to
# @socket-id: socket number within node/board the CPU belongs to
# @core-id: core number within socket the CPU belongs to
# @thread-id: thread number within core the CPU belongs to
#
# Note: currently there are 4 properties that could be present
# but management should be prepared to pass through other
# properties with device_add command to allow for future
# interface extension. This also requires the filed names to be kept in
# sync with the properties passed to -device/device_add.
#
# Since: 2.7
##
{ 'struct': 'CpuInstanceProperties',
  'data': { '*node-id': 'int',
            '*socket-id': 'int',
            '*core-id': 'int',
            '*thread-id': 'int'
  }
}

##
# @HotpluggableCPU:
#
# @type: CPU object type for usage with device_add command
# @props: list of properties to be used for hotplugging CPU
# @vcpus-count: number of logical VCPU threads @HotpluggableCPU provides
# @qom-path: link to existing CPU object if CPU is present or
#            omitted if CPU is not present.
#
# Since: 2.7
##
{ 'struct': 'HotpluggableCPU',
  'data': { 'type': 'str',
            'vcpus-count': 'int',
            'props': 'CpuInstanceProperties',
            '*qom-path': 'str'
          }
}

##
# @query-hotpluggable-cpus:
#
# Returns: a list of HotpluggableCPU objects.
#
# Since: 2.7
#
# Example:
#
# For pseries machine type started with -smp 2,cores=2,maxcpus=4 -cpu POWER8:
#
# -> { "execute": "query-hotpluggable-cpus" }
# <- {"return": [
#      { "props": { "core": 8 }, "type": "POWER8-spapr-cpu-core",
#        "vcpus-count": 1 },
#      { "props": { "core": 0 }, "type": "POWER8-spapr-cpu-core",
#        "vcpus-count": 1, "qom-path": "/machine/unattached/device[0]"}
#    ]}'
#
# For pc machine type started with -smp 1,maxcpus=2:
#
# -> { "execute": "query-hotpluggable-cpus" }
# <- {"return": [
#      {
#         "type": "qemu64-x86_64-cpu", "vcpus-count": 1,
#         "props": {"core-id": 0, "socket-id": 1, "thread-id": 0}
#      },
#      {
#         "qom-path": "/machine/unattached/device[0]",
#         "type": "qemu64-x86_64-cpu", "vcpus-count": 1,
#         "props": {"core-id": 0, "socket-id": 0, "thread-id": 0}
#      }
#    ]}
#
# For s390x-virtio-ccw machine type started with -smp 1,maxcpus=2 -cpu qemu
# (Since: 2.11):
#
# -> { "execute": "query-hotpluggable-cpus" }
# <- {"return": [
#      {
#         "type": "qemu-s390x-cpu", "vcpus-count": 1,
#         "props": { "core-id": 1 }
#      },
#      {
#         "qom-path": "/machine/unattached/device[0]",
#         "type": "qemu-s390x-cpu", "vcpus-count": 1,
#         "props": { "core-id": 0 }
#      }
#    ]}
#
##
{ 'command': 'query-hotpluggable-cpus', 'returns': ['HotpluggableCPU'] }

##
# @GuidInfo:
#
# GUID information.
#
# @guid: the globally unique identifier
#
# Since: 2.9
##
{ 'struct': 'GuidInfo', 'data': {'guid': 'str'} }

##
# @query-vm-generation-id:
#
# Show Virtual Machine Generation ID
#
# Since: 2.9
##
{ 'command': 'query-vm-generation-id', 'returns': 'GuidInfo' }

##
# @watchdog-set-action:
#
# Set watchdog action
#
# Since: 2.11
##
{ 'command': 'watchdog-set-action', 'data' : {'action': 'WatchdogAction'} }