# -*- Mode: Python -*- # # QAPI Schema ## # @ErrorClass # # QEMU error classes # # @GenericError: this is used for errors that don't require a specific error # class. This should be the default case for most errors # # @CommandNotFound: the requested command has not been found # # @DeviceEncrypted: the requested operation can't be fulfilled because the # selected device is encrypted # # @DeviceNotActive: a device has failed to be become active # # @DeviceNotFound: the requested device has not been found # # @KVMMissingCap: the requested operation can't be fulfilled because a # required KVM capability is missing # # @MigrationExpected: the requested operation can't be fulfilled because a # migration process is expected # # Since: 1.2 ## { 'enum': 'ErrorClass', 'data': [ 'GenericError', 'CommandNotFound', 'DeviceEncrypted', 'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap', 'MigrationExpected' ] } ## # @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: #optional whether to skip authentication. Only applies # to "vnc" and "spice" protocols # # @tls: #optional whether to perform TLS. Only applies to the "spice" # protocol # # Returns: nothing on success. # # Since: 0.14.0 ## { 'command': 'add_client', 'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool', '*tls': 'bool' } } ## # @NameInfo: # # Guest name information. # # @name: #optional The name of the guest # # Since 0.14.0 ## { 'type': 'NameInfo', 'data': {'*name': 'str'} } ## # @query-name: # # Return the name information of a guest. # # Returns: @NameInfo of the guest # # Since 0.14.0 ## { 'command': 'query-name', 'returns': 'NameInfo' } ## # @VersionInfo: # # A description of QEMU's version. # # @qemu.major: The major version of QEMU # # @qemu.minor: The minor version of QEMU # # @qemu.micro: The micro 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 ## { 'type': 'VersionInfo', 'data': {'qemu': {'major': 'int', 'minor': 'int', 'micro': 'int'}, 'package': 'str'} } ## # @query-version: # # Returns the current version of QEMU. # # Returns: A @VersionInfo object describing the current version of QEMU. # # Since: 0.14.0 ## { 'command': 'query-version', 'returns': 'VersionInfo' } ## # @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 ## { 'type': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} } ## # @query-kvm: # # Returns information about KVM acceleration # # Returns: @KvmInfo # # Since: 0.14.0 ## { 'command': 'query-kvm', 'returns': 'KvmInfo' } ## # @RunState # # An enumeration of VM run states. # # @debug: QEMU is running on a debugger # # @finish-migrate: guest is paused to finish the migration process # # @inmigrate: guest is paused waiting for an incoming migration # # @internal-error: An internal error that prevents further guest execution # has occurred # # @io-error: the last IOP has failed and the device is configured to pause # on I/O errors # # @paused: guest has been paused via the 'stop' command # # @postmigrate: guest is paused following a successful 'migrate' # # @prelaunch: QEMU was started with -S and guest has not started # # @restore-vm: guest is paused to restore VM state # # @running: guest is actively running # # @save-vm: guest is paused to save the VM state # # @shutdown: guest is shut down (and -no-shutdown is in use) # # @suspended: guest is suspended (ACPI S3) # # @watchdog: the watchdog action is configured to pause and has been triggered ## { 'enum': 'RunState', 'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused', 'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm', 'running', 'save-vm', 'shutdown', 'suspended', 'watchdog' ] } ## # @SnapshotInfo # # @id: unique snapshot id # # @name: user chosen name # # @vm-state-size: size of the VM state # # @date-sec: UTC date of the snapshot in seconds # # @date-nsec: fractional part in nano seconds to be used with date-sec # # @vm-clock-sec: VM clock relative to boot in seconds # # @vm-clock-nsec: fractional part in nano seconds to be used with vm-clock-sec # # Since: 1.3 # ## { 'type': 'SnapshotInfo', 'data': { 'id': 'str', 'name': 'str', 'vm-state-size': 'int', 'date-sec': 'int', 'date-nsec': 'int', 'vm-clock-sec': 'int', 'vm-clock-nsec': 'int' } } ## # @ImageInfo: # # Information about a QEMU image file # # @filename: name of the image file # # @format: format of the image file # # @virtual-size: maximum capacity in bytes of the image # # @actual-size: #optional actual size on disk in bytes of the image # # @dirty-flag: #optional true if image is not cleanly closed # # @cluster-size: #optional size of a cluster in bytes # # @encrypted: #optional true if the image is encrypted # # @backing-filename: #optional name of the backing file # # @full-backing-filename: #optional full path of the backing file # # @backing-filename-format: #optional the format of the backing file # # @snapshots: #optional list of VM snapshots # # Since: 1.3 # ## { 'type': 'ImageInfo', 'data': {'filename': 'str', 'format': 'str', '*dirty-flag': 'bool', '*actual-size': 'int', 'virtual-size': 'int', '*cluster-size': 'int', '*encrypted': 'bool', '*backing-filename': 'str', '*full-backing-filename': 'str', '*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'] } } ## # @StatusInfo: # # Information about VCPU run state # # @running: true if all VCPUs are runnable, false if not runnable # # @singlestep: true if VCPUs are in single-step mode # # @status: the virtual machine @RunState # # Since: 0.14.0 # # Notes: @singlestep is enabled through the GDB stub ## { 'type': 'StatusInfo', 'data': {'running': 'bool', 'singlestep': 'bool', 'status': 'RunState'} } ## # @query-status: # # Query the run status of all VCPUs # # Returns: @StatusInfo reflecting all VCPUs # # Since: 0.14.0 ## { 'command': 'query-status', 'returns': 'StatusInfo' } ## # @UuidInfo: # # Guest UUID information. # # @UUID: the UUID of the guest # # Since: 0.14.0 # # Notes: If no UUID was specified for the guest, a null UUID is returned. ## { 'type': 'UuidInfo', 'data': {'UUID': 'str'} } ## # @query-uuid: # # Query the guest UUID information. # # Returns: The @UuidInfo for the guest # # Since 0.14.0 ## { 'command': 'query-uuid', 'returns': 'UuidInfo' } ## # @ChardevInfo: # # Information about a character device. # # @label: the label of the character device # # @filename: the filename of the character device # # Notes: @filename is encoded using the QEMU command line character device # encoding. See the QEMU man page for details. # # Since: 0.14.0 ## { 'type': 'ChardevInfo', 'data': {'label': 'str', 'filename': 'str'} } ## # @query-chardev: # # Returns information about current character devices. # # Returns: a list of @ChardevInfo # # Since: 0.14.0 ## { 'command': 'query-chardev', 'returns': ['ChardevInfo'] } ## # @CommandInfo: # # Information about a QMP command # # @name: The command name # # Since: 0.14.0 ## { 'type': '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 ## { 'command': 'query-commands', 'returns': ['CommandInfo'] } ## # @EventInfo: # # Information about a QMP event # # @name: The event name # # Since: 1.2.0 ## { 'type': '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 ## { 'command': 'query-events', 'returns': ['EventInfo'] } ## # @MigrationStats # # Detailed migration status. # # @transferred: amount of bytes already transferred to the target VM # # @remaining: amount of bytes remaining to be transferred to the target VM # # @total: total amount of bytes involved in the migration process # # @duplicate: number of duplicate pages (since 1.2) # # @normal : number of normal pages (since 1.2) # # @normal-bytes: number of normal bytes sent (since 1.2) # # @dirty-pages-rate: number of pages dirtied by second by the # guest (since 1.3) # # Since: 0.14.0 ## { 'type': 'MigrationStats', 'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' , 'duplicate': 'int', 'normal': 'int', 'normal-bytes': 'int', 'dirty-pages-rate' : 'int' } } ## # @XBZRLECacheStats # # Detailed XBZRLE migration cache statistics # # @cache-size: XBZRLE cache size # # @bytes: amount of bytes already transferred to the target VM # # @pages: amount of pages transferred to the target VM # # @cache-miss: number of cache miss # # @overflow: number of overflows # # Since: 1.2 ## { 'type': 'XBZRLECacheStats', 'data': {'cache-size': 'int', 'bytes': 'int', 'pages': 'int', 'cache-miss': 'int', 'overflow': 'int' } } ## # @MigrationInfo # # Information about current migration process. # # @status: #optional string describing the current migration status. # As of 0.14.0 this can be 'active', 'completed', 'failed' or # 'cancelled'. If this field is not returned, no migration process # has been initiated # # @ram: #optional @MigrationStats containing detailed migration # status, only returned if status is 'active' or # 'completed'. 'comppleted' (since 1.2) # # @disk: #optional @MigrationStats containing detailed disk migration # status, only returned if status is 'active' and it is a block # migration # # @xbzrle-cache: #optional @XBZRLECacheStats containing detailed XBZRLE # migration statistics, only returned if XBZRLE feature is on and # status is 'active' or 'completed' (since 1.2) # # @total-time: #optional total amount of milliseconds since migration started. # If migration has ended, it returns the total migration # time. (since 1.2) # # @downtime: #optional only present when migration finishes correctly # total downtime in milliseconds for the guest. # (since 1.3) # # @expected-downtime: #optional only present while migration is active # expected downtime in milliseconds for the guest in last walk # of the dirty bitmap. (since 1.3) # # Since: 0.14.0 ## { 'type': 'MigrationInfo', 'data': {'*status': 'str', '*ram': 'MigrationStats', '*disk': 'MigrationStats', '*xbzrle-cache': 'XBZRLECacheStats', '*total-time': 'int', '*expected-downtime': 'int', '*downtime': 'int'} } ## # @query-migrate # # Returns information about current migration process. # # Returns: @MigrationInfo # # Since: 0.14.0 ## { 'command': 'query-migrate', 'returns': 'MigrationInfo' } ## # @MigrationCapability # # Migration capabilities enumeration # # @xbzrle: Migration supports xbzrle (Xor Based Zero Run Length Encoding). # This feature allows us to minimize migration traffic for certain work # loads, by sending compressed difference of the pages # # Since: 1.2 ## { 'enum': 'MigrationCapability', 'data': ['xbzrle'] } ## # @MigrationCapabilityStatus # # Migration capability information # # @capability: capability enum # # @state: capability state bool # # Since: 1.2 ## { 'type': 'MigrationCapabilityStatus', 'data': { 'capability' : 'MigrationCapability', 'state' : 'bool' } } ## # @migrate-set-capabilities # # Enable/Disable the following migration capabilities (like xbzrle) # # @capabilities: json array of capability modifications to make # # Since: 1.2 ## { 'command': 'migrate-set-capabilities', 'data': { 'capabilities': ['MigrationCapabilityStatus'] } } ## # @query-migrate-capabilities # # Returns information about the current migration capabilities status # # Returns: @MigrationCapabilitiesStatus # # Since: 1.2 ## { 'command': 'query-migrate-capabilities', 'returns': ['MigrationCapabilityStatus']} ## # @MouseInfo: # # Information about a mouse device. # # @name: the name of the mouse device # # @index: the index of the mouse device # # @current: true if this device is currently receiving mouse events # # @absolute: true if this device supports absolute coordinates as input # # Since: 0.14.0 ## { 'type': 'MouseInfo', 'data': {'name': 'str', 'index': 'int', 'current': 'bool', 'absolute': 'bool'} } ## # @query-mice: # # Returns information about each active mouse device # # Returns: a list of @MouseInfo for each device # # Since: 0.14.0 ## { 'command': 'query-mice', 'returns': ['MouseInfo'] } ## # @CpuInfo: # # Information about a virtual CPU # # @CPU: the index of the virtual CPU # # @current: this only exists for backwards compatible 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. # # @pc: #optional If the target is i386 or x86_64, this is the 64-bit instruction # pointer. # If the target is Sparc, this is the PC component of the # instruction pointer. # # @nip: #optional If the target is PPC, the instruction pointer # # @npc: #optional If the target is Sparc, the NPC component of the instruction # pointer # # @PC: #optional If the target is MIPS, the instruction pointer # # @thread_id: ID of the underlying host thread # # 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. ## { 'type': 'CpuInfo', 'data': {'CPU': 'int', 'current': 'bool', 'halted': 'bool', '*pc': 'int', '*nip': 'int', '*npc': 'int', '*PC': 'int', 'thread_id': 'int'} } ## # @query-cpus: # # Returns a list of information about each virtual CPU. # # Returns: a list of @CpuInfo for each virtual CPU # # Since: 0.14.0 ## { 'command': 'query-cpus', 'returns': ['CpuInfo'] } ## # @BlockDeviceInfo: # # Information about the backing device for a block device. # # @file: the filename of the backing device # # @ro: true if the backing device was open read-only # # @drv: the name of the block format used to open the backing device. As of # 0.14.0 this can be: 'blkdebug', 'bochs', 'cloop', 'cow', 'dmg', # 'file', 'file', 'ftp', 'ftps', 'host_cdrom', 'host_device', # 'host_floppy', 'http', 'https', 'nbd', 'parallels', 'qcow', # 'qcow2', 'raw', 'tftp', 'vdi', 'vmdk', 'vpc', 'vvfat' # # @backing_file: #optional the name of the backing file (for copy-on-write) # # @backing_file_depth: number of files in the backing file chain (since: 1.2) # # @encrypted: true if the backing device is encrypted # # @encryption_key_missing: true if the backing device is encrypted but an # valid encryption key is missing # # @bps: total throughput limit in bytes per second is specified # # @bps_rd: read throughput limit in bytes per second is specified # # @bps_wr: write throughput limit in bytes per second is specified # # @iops: total I/O operations per second is specified # # @iops_rd: read I/O operations per second is specified # # @iops_wr: write I/O operations per second is specified # # Since: 0.14.0 # # Notes: This interface is only found in @BlockInfo. ## { 'type': 'BlockDeviceInfo', 'data': { 'file': 'str', 'ro': 'bool', 'drv': 'str', '*backing_file': 'str', 'backing_file_depth': 'int', 'encrypted': 'bool', 'encryption_key_missing': 'bool', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int', 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int'} } ## # @BlockDeviceIoStatus: # # An enumeration of block device I/O status. # # @ok: The last I/O operation has succeeded # # @failed: The last I/O operation has failed # # @nospace: The last I/O operation has failed due to a no-space condition # # Since: 1.0 ## { 'enum': 'BlockDeviceIoStatus', 'data': [ 'ok', 'failed', 'nospace' ] } ## # @BlockInfo: # # Block device information. This structure describes a virtual device and # the backing device associated with it. # # @device: The device name associated with the virtual device. # # @type: This field is returned only for compatibility reasons, it should # not be used (always returns 'unknown') # # @removable: True if the device supports removable media. # # @locked: True if the guest has locked this device from having its media # removed # # @tray_open: #optional True if the device has a tray and it is open # (only present if removable is true) # # @io-status: #optional @BlockDeviceIoStatus. Only present if the device # supports it and the VM is configured to stop on errors # # @inserted: #optional @BlockDeviceInfo describing the device if media is # present # # Since: 0.14.0 ## { 'type': 'BlockInfo', 'data': {'device': 'str', 'type': 'str', 'removable': 'bool', 'locked': 'bool', '*inserted': 'BlockDeviceInfo', '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus'} } ## # @query-block: # # Get a list of BlockInfo for all virtual block devices. # # Returns: a list of @BlockInfo describing each virtual block device # # Since: 0.14.0 ## { 'command': 'query-block', 'returns': ['BlockInfo'] } ## # @BlockDeviceStats: # # Statistics of a virtual block device or a block backing device. # # @rd_bytes: The number of bytes read by the device. # # @wr_bytes: The number of bytes written by the device. # # @rd_operations: The number of read operations performed by the device. # # @wr_operations: The number of write operations performed by the device. # # @flush_operations: The number of cache flush operations performed by the # device (since 0.15.0) # # @flush_total_time_ns: Total time spend on cache flushes in nano-seconds # (since 0.15.0). # # @wr_total_time_ns: Total time spend on writes in nano-seconds (since 0.15.0). # # @rd_total_time_ns: Total_time_spend on reads in nano-seconds (since 0.15.0). # # @wr_highest_offset: The offset after the greatest byte written to the # device. The intended use of this information is for # growable sparse files (like qcow2) that are used on top # of a physical device. # # Since: 0.14.0 ## { 'type': 'BlockDeviceStats', 'data': {'rd_bytes': 'int', 'wr_bytes': 'int', 'rd_operations': 'int', 'wr_operations': 'int', 'flush_operations': 'int', 'flush_total_time_ns': 'int', 'wr_total_time_ns': 'int', 'rd_total_time_ns': 'int', 'wr_highest_offset': 'int' } } ## # @BlockStats: # # Statistics of a virtual block device or a block backing device. # # @device: #optional If the stats are for a virtual block device, the name # corresponding to the virtual block device. # # @stats: A @BlockDeviceStats for the device. # # @parent: #optional This may point to the backing block device if this is a # a virtual block device. If it's a backing block, this will point # to the backing file is one is present. # # Since: 0.14.0 ## { 'type': 'BlockStats', 'data': {'*device': 'str', 'stats': 'BlockDeviceStats', '*parent': 'BlockStats'} } ## # @query-blockstats: # # Query the @BlockStats for all virtual block devices. # # Returns: A list of @BlockStats for each virtual block devices. # # Since: 0.14.0 ## { 'command': 'query-blockstats', 'returns': ['BlockStats'] } ## # @VncClientInfo: # # Information about a connected VNC client. # # @host: The host name of the client. QEMU tries to resolve this to a DNS name # when possible. # # @family: 'ipv6' if the client is connected via IPv6 and TCP # 'ipv4' if the client is connected via IPv4 and TCP # 'unix' if the client is connected via a unix domain socket # 'unknown' otherwise # # @service: The service name of the client's port. This may depends on the # host system's service database so symbolic names should not be # relied on. # # @x509_dname: #optional If x509 authentication is in use, the Distinguished # Name of the client. # # @sasl_username: #optional If SASL authentication is in use, the SASL username # used for authentication. # # Since: 0.14.0 ## { 'type': 'VncClientInfo', 'data': {'host': 'str', 'family': 'str', 'service': 'str', '*x509_dname': 'str', '*sasl_username': 'str'} } ## # @VncInfo: # # Information about the VNC session. # # @enabled: true if the VNC server is enabled, false otherwise # # @host: #optional The hostname the VNC server is bound to. This depends on # the name resolution on the host and may be an IP address. # # @family: #optional 'ipv6' if the host is listening for IPv6 connections # 'ipv4' if the host is listening for IPv4 connections # 'unix' if the host is listening on a unix domain socket # 'unknown' otherwise # # @service: #optional The service name of the server's port. This may depends # on the host system's service database so symbolic names should not # be relied on. # # @auth: #optional the current authentication type used by the server # 'none' if no authentication is being used # 'vnc' if VNC authentication is being used # 'vencrypt+plain' if VEncrypt is used with plain text authentication # 'vencrypt+tls+none' if VEncrypt is used with TLS and no authentication # 'vencrypt+tls+vnc' if VEncrypt is used with TLS and VNC authentication # 'vencrypt+tls+plain' if VEncrypt is used with TLS and plain text auth # 'vencrypt+x509+none' if VEncrypt is used with x509 and no auth # 'vencrypt+x509+vnc' if VEncrypt is used with x509 and VNC auth # 'vencrypt+x509+plain' if VEncrypt is used with x509 and plain text auth # 'vencrypt+tls+sasl' if VEncrypt is used with TLS and SASL auth # 'vencrypt+x509+sasl' if VEncrypt is used with x509 and SASL auth # # @clients: a list of @VncClientInfo of all currently connected clients # # Since: 0.14.0 ## { 'type': 'VncInfo', 'data': {'enabled': 'bool', '*host': 'str', '*family': 'str', '*service': 'str', '*auth': 'str', '*clients': ['VncClientInfo']} } ## # @query-vnc: # # Returns information about the current VNC server # # Returns: @VncInfo # # Since: 0.14.0 ## { 'command': 'query-vnc', 'returns': 'VncInfo' } ## # @SpiceChannel # # Information about a SPICE client channel. # # @host: The host name of the client. QEMU tries to resolve this to a DNS name # when possible. # # @family: 'ipv6' if the client is connected via IPv6 and TCP # 'ipv4' if the client is connected via IPv4 and TCP # 'unix' if the client is connected via a unix domain socket # 'unknown' otherwise # # @port: The client's port number. # # @connection-id: SPICE connection id number. All channels with the same id # belong to the same SPICE session. # # @connection-type: SPICE channel type number. "1" is the main control # channel, filter for this one if you want to track spice # sessions only # # @channel-id: SPICE channel ID number. Usually "0", might be different when # multiple channels of the same type exist, such as multiple # display channels in a multihead setup # # @tls: true if the channel is encrypted, false otherwise. # # Since: 0.14.0 ## { 'type': 'SpiceChannel', 'data': {'host': 'str', 'family': 'str', 'port': 'str', 'connection-id': 'int', 'channel-type': 'int', 'channel-id': 'int', 'tls': 'bool'} } ## # @SpiceQueryMouseMode # # An enumeration of Spice mouse states. # # @client: Mouse cursor position is determined by the client. # # @server: Mouse cursor position is determined by the server. # # @unknown: No information is available about mouse mode used by # the spice server. # # Note: spice/enums.h has a SpiceMouseMode already, hence the name. # # Since: 1.1 ## { 'enum': 'SpiceQueryMouseMode', 'data': [ 'client', 'server', 'unknown' ] } ## # @SpiceInfo # # Information about the SPICE session. # # @enabled: true if the SPICE server is enabled, false otherwise # # @migrated: true if the last guest migration completed and spice # migration had completed as well. false otherwise. # # @host: #optional The hostname the SPICE server is bound to. This depends on # the name resolution on the host and may be an IP address. # # @port: #optional The SPICE server's port number. # # @compiled-version: #optional SPICE server version. # # @tls-port: #optional The SPICE server's TLS port number. # # @auth: #optional the current authentication type used by the server # 'none' if no authentication is being used # 'spice' uses SASL or direct TLS authentication, depending on command # line options # # @mouse-mode: The mode in which the mouse cursor is displayed currently. Can # be determined by the client or the server, or unknown if spice # server doesn't provide this information. # # Since: 1.1 # # @channels: a list of @SpiceChannel for each active spice channel # # Since: 0.14.0 ## { 'type': 'SpiceInfo', 'data': {'enabled': 'bool', 'migrated': 'bool', '*host': 'str', '*port': 'int', '*tls-port': 'int', '*auth': 'str', '*compiled-version': 'str', 'mouse-mode': 'SpiceQueryMouseMode', '*channels': ['SpiceChannel']} } ## # @query-spice # # Returns information about the current SPICE server # # Returns: @SpiceInfo # # Since: 0.14.0 ## { 'command': 'query-spice', 'returns': 'SpiceInfo' } ## # @BalloonInfo: # # Information about the guest balloon device. # # @actual: the number of bytes the balloon currently contains # # @mem_swapped_in: #optional number of pages swapped in within the guest # # @mem_swapped_out: #optional number of pages swapped out within the guest # # @major_page_faults: #optional number of major page faults within the guest # # @minor_page_faults: #optional number of minor page faults within the guest # # @free_mem: #optional amount of memory (in bytes) free in the guest # # @total_mem: #optional amount of memory (in bytes) visible to the guest # # Since: 0.14.0 # # Notes: all current versions of QEMU do not fill out optional information in # this structure. ## { 'type': 'BalloonInfo', 'data': {'actual': 'int', '*mem_swapped_in': 'int', '*mem_swapped_out': 'int', '*major_page_faults': 'int', '*minor_page_faults': 'int', '*free_mem': 'int', '*total_mem': '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 ## { 'command': 'query-balloon', 'returns': 'BalloonInfo' } ## # @PciMemoryRange: # # A PCI device memory region # # @base: the starting address (guest physical) # # @limit: the ending address (guest physical) # # Since: 0.14.0 ## { 'type': '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 # # @prefetch: #optional if @type is 'memory', true if the memory is prefetchable # # @mem_type_64: #optional if @type is 'memory', true if the BAR is 64-bit # # Since: 0.14.0 ## { 'type': 'PciMemoryRegion', 'data': {'bar': 'int', 'type': 'str', 'address': 'int', 'size': 'int', '*prefetch': 'bool', '*mem_type_64': 'bool' } } ## # @PciBridgeInfo: # # Information about a PCI Bridge device # # @bus.number: primary bus interface number. This should be the number of the # bus the device resides on. # # @bus.secondary: secondary bus interface number. This is the number of the # main bus for the bridge # # @bus.subordinate: This is the highest number bus that resides below the # bridge. # # @bus.io_range: The PIO range for all devices on this bridge # # @bus.memory_range: The MMIO range for all devices on this bridge # # @bus.prefetchable_range: The range of prefetchable MMIO for all devices on # this bridge # # @devices: a list of @PciDeviceInfo for each device on this bridge # # Since: 0.14.0 ## { 'type': 'PciBridgeInfo', 'data': {'bus': { 'number': 'int', 'secondary': 'int', 'subordinate': 'int', 'io_range': 'PciMemoryRange', 'memory_range': 'PciMemoryRange', 'prefetchable_range': 'PciMemoryRange' }, '*devices': ['PciDeviceInfo']} } ## # @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.desc: #optional a string description of the device's class # # @class_info.class: the class code of the device # # @id.device: the PCI device id # # @id.vendor: the PCI vendor id # # @irq: #optional 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 ## { 'type': 'PciDeviceInfo', 'data': {'bus': 'int', 'slot': 'int', 'function': 'int', 'class_info': {'*desc': 'str', 'class': 'int'}, 'id': {'device': 'int', 'vendor': 'int'}, '*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 ## { 'type': '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 # # Since: 0.14.0 ## { 'command': 'query-pci', 'returns': ['PciInfo'] } ## # @BlockdevOnError: # # An enumeration of possible behaviors for errors on I/O operations. # The exact meaning depends on whether the I/O was initiated by a guest # or by a block job # # @report: for guest operations, report the error to the guest; # for jobs, cancel the job # # @ignore: ignore the error, only report a QMP event (BLOCK_IO_ERROR # or BLOCK_JOB_ERROR) # # @enospc: same as @stop on ENOSPC, same as @report otherwise. # # @stop: for guest operations, stop the virtual machine; # for jobs, pause the job # # Since: 1.3 ## { 'enum': 'BlockdevOnError', 'data': ['report', 'ignore', 'enospc', 'stop'] } ## # @BlockJobInfo: # # Information about a long-running block device operation. # # @type: the job type ('stream' for image streaming) # # @device: the block device name # # @len: the maximum progress value # # @busy: false if the job is known to be in a quiescent state, with # no pending I/O. Since 1.3. # # @paused: whether the job is paused or, if @busy is true, will # pause itself as soon as possible. Since 1.3. # # @offset: the current progress value # # @speed: the rate limit, bytes per second # # @io-status: the status of the job (since 1.3) # # Since: 1.1 ## { 'type': 'BlockJobInfo', 'data': {'type': 'str', 'device': 'str', 'len': 'int', 'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int', 'io-status': 'BlockDeviceIoStatus'} } ## # @query-block-jobs: # # Return information about long-running block device operations. # # Returns: a list of @BlockJobInfo for each active block job # # Since: 1.1 ## { 'command': 'query-block-jobs', 'returns': ['BlockJobInfo'] } ## # @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 ## { '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 ## { 'command': 'stop' } ## # @system_reset: # # Performs a hard reset of a guest. # # Since: 0.14.0 ## { '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. ## { 'command': 'system_powerdown' } ## # @cpu: # # This command is a nop that is only provided for the purposes of compatibility. # # Since: 0.14.0 # # Notes: Do not use this command. ## { 'command': 'cpu', 'data': {'index': '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: #optional 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 ## { '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 ## { 'command': 'pmemsave', 'data': {'val': 'int', 'size': 'int', 'filename': 'str'} } ## # @cont: # # Resume guest VCPU execution. # # Since: 0.14.0 # # Returns: If successful, nothing # If the QEMU is waiting for an incoming migration, MigrationExpected # If QEMU was started with an encrypted block device and a key has # not yet been set, DeviceEncrypted. # # Notes: This command will succeed if the guest is currently running. ## { 'command': 'cont' } ## # @system_wakeup: # # Wakeup guest from suspend. Does nothing in case the guest isn't suspended. # # Since: 1.1 # # Returns: nothing. ## { 'command': 'system_wakeup' } ## # @inject-nmi: # # Injects an Non-Maskable Interrupt into all guest's VCPUs. # # Returns: If successful, nothing # # Since: 0.14.0 # # Notes: Only x86 Virtual Machines support this command. ## { 'command': 'inject-nmi' } ## # @set_link: # # Sets the link status of a virtual network adapter. # # @name: the device name of the virtual network adapter # # @up: true to set the link status to be up # # Returns: Nothing on success # If @name is not a valid network device, DeviceNotFound # # Since: 0.14.0 # # Notes: Not all network adapters support setting link status. This command # will succeed even if the network adapter does not support link status # notification. ## { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} } ## # @block_passwd: # # This command sets the password of a block device that has not been open # with a password and requires one. # # The two cases where this can happen are a block device is created through # QEMU's initial command line or a block device is changed through the legacy # @change interface. # # In the event that the block device is created through the initial command # line, the VM will start in the stopped state regardless of whether '-S' is # used. The intention is for a management tool to query the block devices to # determine which ones are encrypted, set the passwords with this command, and # then start the guest with the @cont command. # # @device: the name of the device to set the password on # # @password: the password to use for the device # # Returns: nothing on success # If @device is not a valid block device, DeviceNotFound # If @device is not encrypted, DeviceNotEncrypted # # Notes: Not all block formats support encryption and some that do are not # able to validate that a password is correct. Disk corruption may # occur if an invalid password is specified. # # Since: 0.14.0 ## { 'command': 'block_passwd', 'data': {'device': 'str', 'password': 'str'} } ## # @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 ## { 'command': 'balloon', 'data': {'value': 'int'} } ## # @block_resize # # Resize a block image while a guest is running. # # @device: the name of the device to get the image resized # # @size: new image size in bytes # # Returns: nothing on success # If @device is not a valid block device, DeviceNotFound # # Since: 0.14.0 ## { 'command': 'block_resize', 'data': { 'device': 'str', 'size': 'int' }} ## # @NewImageMode # # An enumeration that tells QEMU how to set the backing file path in # a new image file. # # @existing: QEMU should look for an existing image file. # # @absolute-paths: QEMU should create a new image with absolute paths # for the backing file. # # Since: 1.1 ## { 'enum': 'NewImageMode' 'data': [ 'existing', 'absolute-paths' ] } ## # @BlockdevSnapshot # # @device: the name of the device to generate the snapshot from. # # @snapshot-file: the target of the new image. A new file will be created. # # @format: #optional the format of the snapshot image, default is 'qcow2'. # # @mode: #optional whether and how QEMU should create a new image, default is # 'absolute-paths'. ## { 'type': 'BlockdevSnapshot', 'data': { 'device': 'str', 'snapshot-file': 'str', '*format': 'str', '*mode': 'NewImageMode' } } ## # @BlockdevAction # # A discriminated record of operations that can be performed with # @transaction. ## { 'union': 'BlockdevAction', 'data': { 'blockdev-snapshot-sync': 'BlockdevSnapshot', } } ## # @transaction # # Atomically operate on a group of one or more block devices. If # any operation fails, then the entire set of actions will be # abandoned and the appropriate error returned. The only operation # supported is currently blockdev-snapshot-sync. # # List of: # @BlockdevAction: information needed for the device snapshot # # Returns: nothing on success # If @device is not a valid block device, DeviceNotFound # # Note: The transaction aborts on the first failure. Therefore, there will # be only one device or snapshot file returned in an error condition, and # subsequent actions will not have been attempted. # # Since 1.1 ## { 'command': 'transaction', 'data': { 'actions': [ 'BlockdevAction' ] } } ## # @blockdev-snapshot-sync # # Generates a synchronous snapshot of a block device. # # @device: the name of the device to generate the snapshot from. # # @snapshot-file: the target of the new image. If the file exists, or if it # is a device, the snapshot will be created in the existing # file/device. If does not exist, a new file will be created. # # @format: #optional the format of the snapshot image, default is 'qcow2'. # # @mode: #optional whether and how QEMU should create a new image, default is # 'absolute-paths'. # # Returns: nothing on success # If @device is not a valid block device, DeviceNotFound # # Since 0.14.0 ## { 'command': 'blockdev-snapshot-sync', 'data': { 'device': 'str', 'snapshot-file': 'str', '*format': 'str', '*mode': 'NewImageMode'} } ## # @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: #optional 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. It's use is highly # discouraged. The semantics of this command are not guaranteed. # # Known limitations: # # o This command is stateless, this means that commands that depend # on state information (such as getfd) might not work # # o Commands that prompt the user for data (eg. 'cont' when the block # device is encrypted) don't currently work ## { 'command': 'human-monitor-command', 'data': {'command-line': 'str', '*cpu-index': 'int'}, 'returns': 'str' } ## # @block-commit # # Live commit of data from overlay image nodes into backing nodes - i.e., # writes data between 'top' and 'base' into 'base'. # # @device: the name of the device # # @base: #optional The file name of the backing image to write data into. # If not specified, this is the deepest backing image # # @top: The file name of the backing image within the image chain, # which contains the topmost data to be committed down. # Note, the active layer as 'top' is currently unsupported. # # If top == base, that is an error. # # # @speed: #optional the maximum speed, in bytes per second # # Returns: Nothing on success # If commit or stream is already active on this device, DeviceInUse # If @device does not exist, DeviceNotFound # If image commit is not supported by this device, NotSupported # If @base or @top is invalid, a generic error is returned # If @top is the active layer, or omitted, a generic error is returned # If @speed is invalid, InvalidParameter # # Since: 1.3 # ## { 'command': 'block-commit', 'data': { 'device': 'str', '*base': 'str', 'top': 'str', '*speed': 'int' } } # @migrate_cancel # # Cancel the current executing migration process. # # Returns: nothing on success # # Notes: This command succeeds even if there is no migration process running. # # Since: 0.14.0 ## { 'command': 'migrate_cancel' } ## # @migrate_set_downtime # # Set maximum tolerated downtime for migration. # # @value: maximum downtime in seconds # # Returns: nothing on success # # Since: 0.14.0 ## { 'command': 'migrate_set_downtime', 'data': {'value': 'number'} } ## # @migrate_set_speed # # Set maximum speed for migration. # # @value: maximum speed in bytes. # # Returns: nothing on success # # Notes: A value lesser than zero will be automatically round up to zero. # # Since: 0.14.0 ## { 'command': 'migrate_set_speed', 'data': {'value': 'int'} } ## # @migrate-set-cache-size # # Set XBZRLE cache size # # @value: cache size in bytes # # The size will be rounded down to the nearest power of 2. # The cache size can be modified before and during ongoing migration # # Returns: nothing on success # # Since: 1.2 ## { 'command': 'migrate-set-cache-size', 'data': {'value': 'int'} } ## # @query-migrate-cache-size # # query XBZRLE cache size # # Returns: XBZRLE cache size in bytes # # Since: 1.2 ## { 'command': 'query-migrate-cache-size', 'returns': 'int' } ## # @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 legacy type in the form 'legacy<subtype>' where subtype is the # legacy qdev typename. These types are always treated as strings. # # 3) A child type in the form 'child<subtype>' where subtype is a qdev # device type name. Child properties create the composition tree. # # 4) 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 ## { 'type': '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. legacy<> # properties are returned as #str. child<> and link<> properties are # returns 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': 'visitor', 'gen': 'no' } ## # @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': 'visitor' }, 'gen': 'no' } ## # @set_password: # # Sets the password of a remote display session. # # @protocol: `vnc' to modify the VNC server password # `spice' to modify the Spice server password # # @password: the new password # # @connected: #optional how to handle existing clients when changing the # password. If nothing is specified, defaults to `keep' # `fail' to fail the command if clients are connected # `disconnect' to disconnect existing clients # `keep' to maintain existing clients # # Returns: Nothing on success # If Spice is not enabled, DeviceNotFound # # Since: 0.14.0 ## { 'command': 'set_password', 'data': {'protocol': 'str', 'password': 'str', '*connected': 'str'} } ## # @expire_password: # # Expire the password of a remote display server. # # @protocol: the name of the remote display protocol `vnc' or `spice' # # @time: when to expire the password. # `now' to expire the password immediately # `never' to cancel password expiration # `+INT' where INT is the number of seconds from now (integer) # `INT' where INT is the absolute time in seconds # # Returns: Nothing on success # If @protocol is `spice' and Spice is not active, DeviceNotFound # # Since: 0.14.0 # # Notes: Time is relative to the server and currently there is no way to # coordinate server time with client time. It is not recommended to # use the absolute time version of the @time parameter unless you're # sure you are on the same machine as the QEMU instance. ## { 'command': 'expire_password', 'data': {'protocol': 'str', 'time': 'str'} } ## # @eject: # # Ejects a device from a removable drive. # # @device: The name of the device # # @force: @optional If true, eject regardless of whether the drive is locked. # If not specified, the default value is false. # # Returns: Nothing on success # If @device is not a valid block device, DeviceNotFound # # Notes: Ejecting a device will no media results in success # # Since: 0.14.0 ## { 'command': 'eject', 'data': {'device': 'str', '*force': 'bool'} } ## # @change-vnc-password: # # Change the VNC server password. # # @target: the new password to use with VNC authentication # # Since: 1.1 # # Notes: An empty password in this command will set the password to the empty # string. Existing clients are unaffected by executing this command. ## { 'command': 'change-vnc-password', 'data': {'password': 'str'} } ## # @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. If this argument is an empty string, then no future # logins will be allowed. # # Returns: Nothing on success. # If @device is not a valid block device, DeviceNotFound # If the new block device is encrypted, DeviceEncrypted. Note that # if this error is returned, the device has been opened successfully # and an additional call to @block_passwd is required to set the # device's password. The behavior of reads and writes to the block # device between when these calls are executed is undefined. # # Notes: It is strongly recommended that this interface is not used especially # for changing block devices. # # Since: 0.14.0 ## { 'command': 'change', 'data': {'device': 'str', 'target': 'str', '*arg': 'str'} } ## # @block_set_io_throttle: # # Change I/O throttle limits for a block drive. # # @device: The name of the device # # @bps: total throughput limit in bytes per second # # @bps_rd: read throughput limit in bytes per second # # @bps_wr: write throughput limit in bytes per second # # @iops: total I/O operations per second # # @ops_rd: read I/O operations per second # # @iops_wr: write I/O operations per second # # Returns: Nothing on success # If @device is not a valid block device, DeviceNotFound # # Since: 1.1 ## { 'command': 'block_set_io_throttle', 'data': { 'device': 'str', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int', 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int' } } ## # @block-stream: # # Copy data from a backing file into a block device. # # The block streaming operation is performed in the background until the entire # backing file has been copied. This command returns immediately once streaming # has started. The status of ongoing block streaming operations can be checked # with query-block-jobs. The operation can be stopped before it has completed # using the block-job-cancel command. # # If a base file is specified then sectors are not copied from that base file and # its backing chain. When streaming completes the image file will have the base # file as its backing file. This can be used to stream a subset of the backing # file chain instead of flattening the entire image. # # On successful completion the image file is updated to drop the backing file # and the BLOCK_JOB_COMPLETED event is emitted. # # @device: the device name # # @base: #optional the common backing file name # # @speed: #optional the maximum speed, in bytes per second # # @on-error: #optional the action to take on an error (default report). # 'stop' and 'enospc' can only be used if the block device # supports io-status (see BlockInfo). Since 1.3. # # Returns: Nothing on success # If @device does not exist, DeviceNotFound # # Since: 1.1 ## { 'command': 'block-stream', 'data': { 'device': 'str', '*base': 'str', '*speed': 'int', '*on-error': 'BlockdevOnError' } } ## # @block-job-set-speed: # # Set maximum speed for a background block operation. # # This command can only be issued when there is an active block job. # # Throttling can be disabled by setting the speed to 0. # # @device: the device name # # @speed: the maximum speed, in bytes per second, or 0 for unlimited. # Defaults to 0. # # Returns: Nothing on success # If no background operation is active on this device, DeviceNotActive # # Since: 1.1 ## { 'command': 'block-job-set-speed', 'data': { 'device': 'str', 'speed': 'int' } } ## # @block-job-cancel: # # Stop an active background block operation. # # This command returns immediately after marking the active background block # operation for cancellation. It is an error to call this command if no # operation is in progress. # # The operation will cancel as soon as possible and then emit the # BLOCK_JOB_CANCELLED event. Before that happens the job is still visible when # enumerated using query-block-jobs. # # For streaming, the image file retains its backing file unless the streaming # operation happens to complete just as it is being cancelled. A new streaming # operation can be started at a later time to finish copying all data from the # backing file. # # @device: the device name # # @force: #optional whether to allow cancellation of a paused job (default # false). Since 1.3. # # Returns: Nothing on success # If no background operation is active on this device, DeviceNotActive # # Since: 1.1 ## { 'command': 'block-job-cancel', 'data': { 'device': 'str', '*force': 'bool' } } ## # @block-job-pause: # # Pause an active background block operation. # # This command returns immediately after marking the active background block # operation for pausing. It is an error to call this command if no # operation is in progress. Pausing an already paused job has no cumulative # effect; a single block-job-resume command will resume the job. # # The operation will pause as soon as possible. No event is emitted when # the operation is actually paused. Cancelling a paused job automatically # resumes it. # # @device: the device name # # Returns: Nothing on success # If no background operation is active on this device, DeviceNotActive # # Since: 1.3 ## { 'command': 'block-job-pause', 'data': { 'device': 'str' } } ## # @block-job-resume: # # Resume an active background block operation. # # This command returns immediately after resuming a paused background block # operation. It is an error to call this command if no operation is in # progress. Resuming an already running job is not an error. # # This command also clears the error status of the job. # # @device: the device name # # Returns: Nothing on success # If no background operation is active on this device, DeviceNotActive # # Since: 1.3 ## { 'command': 'block-job-resume', 'data': { 'device': 'str' } } ## # @ObjectTypeInfo: # # This structure describes a search result from @qom-list-types # # @name: the type name found in the search # # Since: 1.1 # # Notes: This command is experimental and may change syntax in future releases. ## { 'type': 'ObjectTypeInfo', 'data': { 'name': '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 # # Since: 1.2 ## { 'type': 'DevicePropertyInfo', 'data': { 'name': 'str', 'type': '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' ] } ## # @migrate # # Migrates the current running guest to another Virtual Machine. # # @uri: the Uniform Resource Identifier of the destination VM # # @blk: #optional do block migration (full disk copy) # # @inc: #optional incremental disk copy migration # # @detach: this argument exists only for compatibility reasons and # is ignored by QEMU # # Returns: nothing on success # # Since: 0.14.0 ## { 'command': 'migrate', 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool', '*detach': 'bool' } } # @xen-save-devices-state: # # Save the state of all devices to file. The RAM and the block devices # of the VM are not saved by this command. # # @filename: the file to save the state of the devices to as binary # data. See xen-save-devices-state.txt for a description of the binary # format. # # Returns: Nothing on success # # Since: 1.1 ## { 'command': 'xen-save-devices-state', 'data': {'filename': 'str'} } ## # @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 ## { 'command': 'xen-set-global-dirty-log', 'data': { 'enable': 'bool' } } ## # @device_del: # # Remove a device from a guest # # @id: the name of the device # # 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. # # Since: 0.14.0 ## { 'command': 'device_del', 'data': {'id': 'str'} } ## # @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. This command is only # supported on i386 and x86_64. # # @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 # # @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. # # @begin: #optional if specified, the starting physical address. # # @length: #optional 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 # # Returns: nothing on success # # Since: 1.2 ## { 'command': 'dump-guest-memory', 'data': { 'paging': 'bool', 'protocol': 'str', '*begin': 'int', '*length': 'int' } } ## # @netdev_add: # # Add a network backend. # # @type: the type of network backend. Current valid values are 'user', 'tap', # 'vde', 'socket', 'dump' and 'bridge' # # @id: the name of the new network backend # # @props: #optional a list of properties to be passed to the backend in # the format 'name=value', like 'ifname=tap0,script=no' # # Notes: The semantics of @props is not well defined. Future commands will be # introduced that provide stronger typing for backend creation. # # Since: 0.14.0 # # Returns: Nothing on success # If @type is not a valid network backend, DeviceNotFound ## { 'command': 'netdev_add', 'data': {'type': 'str', 'id': 'str', '*props': '**'}, 'gen': 'no' } ## # @netdev_del: # # Remove a network backend. # # @id: the name of the network backend to remove # # Returns: Nothing on success # If @id is not a valid network backend, DeviceNotFound # # Since: 0.14.0 ## { 'command': 'netdev_del', 'data': {'id': 'str'} } ## # @NetdevNoneOptions # # Use it alone to have zero network devices. # # Since 1.2 ## { 'type': 'NetdevNoneOptions', 'data': { } } ## # @NetLegacyNicOptions # # Create a new Network Interface Card. # # @netdev: #optional id of -netdev to connect to # # @macaddr: #optional MAC address # # @model: #optional device model (e1000, rtl8139, virtio etc.) # # @addr: #optional PCI device address # # @vectors: #optional number of MSI-x vectors, 0 to disable MSI-X # # Since 1.2 ## { 'type': 'NetLegacyNicOptions', 'data': { '*netdev': 'str', '*macaddr': 'str', '*model': 'str', '*addr': 'str', '*vectors': 'uint32' } } ## # @String # # A fat type wrapping 'str', to be embedded in lists. # # Since 1.2 ## { 'type': 'String', 'data': { 'str': 'str' } } ## # @NetdevUserOptions # # Use the user mode network stack which requires no administrator privilege to # run. # # @hostname: #optional client hostname reported by the builtin DHCP server # # @restrict: #optional isolate the guest from the host # # @ip: #optional legacy parameter, use net= instead # # @net: #optional IP address and optional netmask # # @host: #optional guest-visible address of the host # # @tftp: #optional root directory of the built-in TFTP server # # @bootfile: #optional BOOTP filename, for use with tftp= # # @dhcpstart: #optional the first of the 16 IPs the built-in DHCP server can # assign # # @dns: #optional guest-visible address of the virtual nameserver # # @smb: #optional root directory of the built-in SMB server # # @smbserver: #optional IP address of the built-in SMB server # # @hostfwd: #optional redirect incoming TCP or UDP host connections to guest # endpoints # # @guestfwd: #optional forward guest TCP connections # # Since 1.2 ## { 'type': 'NetdevUserOptions', 'data': { '*hostname': 'str', '*restrict': 'bool', '*ip': 'str', '*net': 'str', '*host': 'str', '*tftp': 'str', '*bootfile': 'str', '*dhcpstart': 'str', '*dns': 'str', '*smb': 'str', '*smbserver': 'str', '*hostfwd': ['String'], '*guestfwd': ['String'] } } ## # @NetdevTapOptions # # Connect the host TAP network interface name to the VLAN. # # @ifname: #optional interface name # # @fd: #optional file descriptor of an already opened tap # # @script: #optional script to initialize the interface # # @downscript: #optional script to shut down the interface # # @helper: #optional command to execute to configure bridge # # @sndbuf: #optional send buffer limit. Understands [TGMKkb] suffixes. # # @vnet_hdr: #optional enable the IFF_VNET_HDR flag on the tap interface # # @vhost: #optional enable vhost-net network accelerator # # @vhostfd: #optional file descriptor of an already opened vhost net device # # @vhostforce: #optional vhost on for non-MSIX virtio guests # # Since 1.2 ## { 'type': 'NetdevTapOptions', 'data': { '*ifname': 'str', '*fd': 'str', '*script': 'str', '*downscript': 'str', '*helper': 'str', '*sndbuf': 'size', '*vnet_hdr': 'bool', '*vhost': 'bool', '*vhostfd': 'str', '*vhostforce': 'bool' } } ## # @NetdevSocketOptions # # Connect the VLAN to a remote VLAN in another QEMU virtual machine using a TCP # socket connection. # # @fd: #optional file descriptor of an already opened socket # # @listen: #optional port number, and optional hostname, to listen on # # @connect: #optional port number, and optional hostname, to connect to # # @mcast: #optional UDP multicast address and port number # # @localaddr: #optional source address and port for multicast and udp packets # # @udp: #optional UDP unicast address and port number # # Since 1.2 ## { 'type': 'NetdevSocketOptions', 'data': { '*fd': 'str', '*listen': 'str', '*connect': 'str', '*mcast': 'str', '*localaddr': 'str', '*udp': 'str' } } ## # @NetdevVdeOptions # # Connect the VLAN to a vde switch running on the host. # # @sock: #optional socket path # # @port: #optional port number # # @group: #optional group owner of socket # # @mode: #optional permissions for socket # # Since 1.2 ## { 'type': 'NetdevVdeOptions', 'data': { '*sock': 'str', '*port': 'uint16', '*group': 'str', '*mode': 'uint16' } } ## # @NetdevDumpOptions # # Dump VLAN network traffic to a file. # # @len: #optional per-packet size limit (64k default). Understands [TGMKkb] # suffixes. # # @file: #optional dump file path (default is qemu-vlan0.pcap) # # Since 1.2 ## { 'type': 'NetdevDumpOptions', 'data': { '*len': 'size', '*file': 'str' } } ## # @NetdevBridgeOptions # # Connect a host TAP network interface to a host bridge device. # # @br: #optional bridge name # # @helper: #optional command to execute to configure bridge # # Since 1.2 ## { 'type': 'NetdevBridgeOptions', 'data': { '*br': 'str', '*helper': 'str' } } ## # @NetdevHubPortOptions # # Connect two or more net clients through a software hub. # # @hubid: hub identifier number # # Since 1.2 ## { 'type': 'NetdevHubPortOptions', 'data': { 'hubid': 'int32' } } ## # @NetClientOptions # # A discriminated record of network device traits. # # Since 1.2 ## { 'union': 'NetClientOptions', 'data': { 'none': 'NetdevNoneOptions', 'nic': 'NetLegacyNicOptions', 'user': 'NetdevUserOptions', 'tap': 'NetdevTapOptions', 'socket': 'NetdevSocketOptions', 'vde': 'NetdevVdeOptions', 'dump': 'NetdevDumpOptions', 'bridge': 'NetdevBridgeOptions', 'hubport': 'NetdevHubPortOptions' } } ## # @NetLegacy # # Captures the configuration of a network device; legacy. # # @vlan: #optional vlan number # # @id: #optional identifier for monitor commands # # @name: #optional identifier for monitor commands, ignored if @id is present # # @opts: device type specific properties (legacy) # # Since 1.2 ## { 'type': 'NetLegacy', 'data': { '*vlan': 'int32', '*id': 'str', '*name': 'str', 'opts': 'NetClientOptions' } } ## # @Netdev # # Captures the configuration of a network device. # # @id: identifier for monitor commands. # # @opts: device type specific properties # # Since 1.2 ## { 'type': 'Netdev', 'data': { 'id': 'str', 'opts': 'NetClientOptions' } } ## # @InetSocketAddress # # Captures a socket address or address range in the Internet namespace. # # @host: host part of the address # # @port: port part of the address, or lowest port if @to is present # # @to: highest port to try # # @ipv4: whether to accept IPv4 addresses, default try both IPv4 and IPv6 # #optional # # @ipv6: whether to accept IPv6 addresses, default try both IPv4 and IPv6 # #optional # # Since 1.3 ## { 'type': 'InetSocketAddress', 'data': { 'host': 'str', 'port': 'str', '*to': 'uint16', '*ipv4': 'bool', '*ipv6': 'bool' } } ## # @UnixSocketAddress # # Captures a socket address in the local ("Unix socket") namespace. # # @path: filesystem path to use # # Since 1.3 ## { 'type': 'UnixSocketAddress', 'data': { 'path': 'str' } } ## # @SocketAddress # # Captures the address of a socket, which could also be a named file descriptor # # Since 1.3 ## { 'union': 'SocketAddress', 'data': { 'inet': 'InetSocketAddress', 'unix': 'UnixSocketAddress', 'fd': 'String' } } ## # @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. ## { '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 ## { 'command': 'closefd', 'data': {'fdname': 'str'} } ## # @MachineInfo: # # Information describing a machine. # # @name: the name of the machine # # @alias: #optional an alias for the machine name # # @default: #optional whether the machine is default # # Since: 1.2.0 ## { 'type': 'MachineInfo', 'data': { 'name': 'str', '*alias': 'str', '*is-default': '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 # # Since: 1.2.0 ## { 'type': 'CpuDefinitionInfo', 'data': { 'name': 'str' } } ## # @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'] } # @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 ## { 'type': '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: #optional The ID of the fd set to add the file descriptor to. # # @opaque: #optional 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 does not exist, 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 ## { '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: #optional 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. ## { '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: #optional A free-form string that can be used to describe the fd. # # Since: 1.2.0 ## { 'type': '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 ## { 'type': '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. # ## { 'command': 'query-fdsets', 'returns': ['FdsetInfo'] } ## # @TargetType # # Target CPU emulation type # # These parameters correspond to the softmmu binary CPU name that is currently # running. # # Since: 1.2.0 ## { 'enum': 'TargetType', 'data': [ 'alpha', 'arm', 'cris', 'i386', 'lm32', 'm68k', 'microblazeel', 'microblaze', 'mips64el', 'mips64', 'mipsel', 'mips', 'or32', 'ppc64', 'ppcemb', 'ppc', 's390x', 'sh4eb', 'sh4', 'sparc64', 'sparc', 'unicore32', 'x86_64', 'xtensaeb', 'xtensa' ] } ## # @TargetInfo: # # Information describing the QEMU target. # # @arch: the target architecture (eg "x86_64", "i386", etc) # # Since: 1.2.0 ## { 'type': 'TargetInfo', 'data': { 'arch': 'TargetType' } } ## # @query-target: # # Return information about the target for this QEMU # # Returns: TargetInfo # # Since: 1.2.0 ## { 'command': 'query-target', 'returns': 'TargetInfo' } ## # @QKeyCode: # # An enumeration of key name. # # This is used by the send-key command. # # Since: 1.3.0 ## { 'enum': 'QKeyCode', 'data': [ 'shift', 'shift_r', 'alt', 'alt_r', 'altgr', 'altgr_r', 'ctrl', 'ctrl_r', 'menu', 'esc', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 'minus', 'equal', 'backspace', 'tab', 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', 'bracket_left', 'bracket_right', 'ret', 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'semicolon', 'apostrophe', 'grave_accent', 'backslash', 'z', 'x', 'c', 'v', 'b', 'n', 'm', 'comma', 'dot', 'slash', 'asterisk', 'spc', 'caps_lock', 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10', 'num_lock', 'scroll_lock', 'kp_divide', 'kp_multiply', 'kp_subtract', 'kp_add', 'kp_enter', 'kp_decimal', 'sysrq', 'kp_0', 'kp_1', 'kp_2', 'kp_3', 'kp_4', 'kp_5', 'kp_6', 'kp_7', 'kp_8', 'kp_9', 'less', 'f11', 'f12', 'print', 'home', 'pgup', 'pgdn', 'end', 'left', 'up', 'down', 'right', 'insert', 'delete', 'stop', 'again', 'props', 'undo', 'front', 'copy', 'open', 'paste', 'find', 'cut', 'lf', 'help', 'meta_l', 'meta_r', 'compose' ] } ## # @KeyValue # # Represents a keyboard key. # # Since: 1.3.0 ## { 'union': 'KeyValue', 'data': { 'number': 'int', 'qcode': 'QKeyCode' } } ## # @send-key: # # Send keys to guest. # # @keys: An array of @KeyValue elements. All @KeyValues in this array are # simultaneously sent to the guest. A @KeyValue.number value is sent # directly to the guest, while @KeyValue.qcode must be a valid # @QKeyCode value # # @hold-time: #optional time to delay key up events, milliseconds. Defaults # to 100 # # Returns: Nothing on success # If key is unknown or redundant, InvalidParameter # # Since: 1.3.0 # ## { 'command': 'send-key', 'data': { 'keys': ['KeyValue'], '*hold-time': 'int' } } ## # @screendump: # # Write a PPM of the VGA screen to a file. # # @filename: the path of a new PPM file to store the image # # Returns: Nothing on success # # Since: 0.14.0 ## { 'command': 'screendump', 'data': {'filename': 'str'} } ## # @nbd-server-start: # # Start an NBD server listening on the given host and port. Block # devices can then be exported using @nbd-server-add. The NBD # server will present them as named exports; for example, another # QEMU instance could refer to them as "nbd:HOST:PORT:exportname=NAME". # # @addr: Address on which to listen. # # Returns: error if the server is already running. # # Since: 1.3.0 ## { 'command': 'nbd-server-start', 'data': { 'addr': 'SocketAddress' } } ## # @nbd-server-add: # # Export a device to QEMU's embedded NBD server. # # @device: Block device to be exported # # @writable: Whether clients should be able to write to the device via the # NBD connection (default false). #optional # # Returns: error if the device is already marked for export. # # Since: 1.3.0 ## { 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} } ## # @nbd-server-stop: # # Stop QEMU's embedded NBD server, and unregister all devices previously # added via @nbd-server-add. # # Since: 1.3.0 ## { 'command': 'nbd-server-stop' }