10 # @GenericError: this is used for errors that don't require a specific error
11 # class. This should be the default case for most errors
13 # @CommandNotFound: the requested command has not been found
15 # @DeviceEncrypted: the requested operation can't be fulfilled because the
16 # selected device is encrypted
18 # @DeviceNotActive: a device has failed to be become active
20 # @DeviceNotFound: the requested device has not been found
22 # @KVMMissingCap: the requested operation can't be fulfilled because a
23 # required KVM capability is missing
27 { 'enum': 'ErrorClass',
28 'data': [ 'GenericError', 'CommandNotFound', 'DeviceEncrypted',
29 'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] }
34 # Allow client connections for VNC, Spice and socket based
35 # character devices to be passed in to QEMU via SCM_RIGHTS.
37 # @protocol: protocol name. Valid names are "vnc", "spice" or the
38 # name of a character device (eg. from -chardev id=XXXX)
40 # @fdname: file descriptor name previously passed via 'getfd' command
42 # @skipauth: #optional whether to skip authentication. Only applies
43 # to "vnc" and "spice" protocols
45 # @tls: #optional whether to perform TLS. Only applies to the "spice"
48 # Returns: nothing on success.
52 { 'command': 'add_client',
53 'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool',
59 # Guest name information.
61 # @name: #optional The name of the guest
65 { 'type': 'NameInfo', 'data': {'*name': 'str'} }
70 # Return the name information of a guest.
72 # Returns: @NameInfo of the guest
76 { 'command': 'query-name', 'returns': 'NameInfo' }
81 # A description of QEMU's version.
83 # @qemu.major: The major version of QEMU
85 # @qemu.minor: The minor version of QEMU
87 # @qemu.micro: The micro version of QEMU. By current convention, a micro
88 # version of 50 signifies a development branch. A micro version
89 # greater than or equal to 90 signifies a release candidate for
90 # the next minor version. A micro version of less than 50
91 # signifies a stable release.
93 # @package: QEMU will always set this field to an empty string. Downstream
94 # versions of QEMU should set this to a non-empty string. The
95 # exact format depends on the downstream however it highly
96 # recommended that a unique name is used.
100 { 'type': 'VersionInfo',
101 'data': {'qemu': {'major': 'int', 'minor': 'int', 'micro': 'int'},
107 # Returns the current version of QEMU.
109 # Returns: A @VersionInfo object describing the current version of QEMU.
113 { 'command': 'query-version', 'returns': 'VersionInfo' }
118 # Information about support for KVM acceleration
120 # @enabled: true if KVM acceleration is active
122 # @present: true if KVM acceleration is built into this executable
126 { 'type': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }
131 # Returns information about KVM acceleration
137 { 'command': 'query-kvm', 'returns': 'KvmInfo' }
142 # An enumeration of VM run states.
144 # @debug: QEMU is running on a debugger
146 # @finish-migrate: guest is paused to finish the migration process
148 # @inmigrate: guest is paused waiting for an incoming migration. Note
149 # that this state does not tell whether the machine will start at the
150 # end of the migration. This depends on the command-line -S option and
151 # any invocation of 'stop' or 'cont' that has happened since QEMU was
154 # @internal-error: An internal error that prevents further guest execution
157 # @io-error: the last IOP has failed and the device is configured to pause
160 # @paused: guest has been paused via the 'stop' command
162 # @postmigrate: guest is paused following a successful 'migrate'
164 # @prelaunch: QEMU was started with -S and guest has not started
166 # @restore-vm: guest is paused to restore VM state
168 # @running: guest is actively running
170 # @save-vm: guest is paused to save the VM state
172 # @shutdown: guest is shut down (and -no-shutdown is in use)
174 # @suspended: guest is suspended (ACPI S3)
176 # @watchdog: the watchdog action is configured to pause and has been triggered
178 # @guest-panicked: guest has been panicked as a result of guest OS panic
180 { 'enum': 'RunState',
181 'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
182 'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
183 'running', 'save-vm', 'shutdown', 'suspended', 'watchdog',
189 # @id: unique snapshot id
191 # @name: user chosen name
193 # @vm-state-size: size of the VM state
195 # @date-sec: UTC date of the snapshot in seconds
197 # @date-nsec: fractional part in nano seconds to be used with date-sec
199 # @vm-clock-sec: VM clock relative to boot in seconds
201 # @vm-clock-nsec: fractional part in nano seconds to be used with vm-clock-sec
207 { 'type': 'SnapshotInfo',
208 'data': { 'id': 'str', 'name': 'str', 'vm-state-size': 'int',
209 'date-sec': 'int', 'date-nsec': 'int',
210 'vm-clock-sec': 'int', 'vm-clock-nsec': 'int' } }
213 # @ImageInfoSpecificQCow2:
215 # @compat: compatibility level
217 # @lazy-refcounts: #optional on or off; only valid for compat >= 1.1
221 { 'type': 'ImageInfoSpecificQCow2',
224 '*lazy-refcounts': 'bool'
228 # @ImageInfoSpecificVmdk:
230 # @create_type: The create type of VMDK image
232 # @cid: Content id of image
234 # @parent-cid: Parent VMDK image's cid
236 # @extents: List of extent files
240 { 'type': 'ImageInfoSpecificVmdk',
242 'create-type': 'str',
245 'extents': ['ImageInfo']
249 # @ImageInfoSpecific:
251 # A discriminated record of image format specific information structures.
256 { 'union': 'ImageInfoSpecific',
258 'qcow2': 'ImageInfoSpecificQCow2',
259 'vmdk': 'ImageInfoSpecificVmdk'
265 # Information about a QEMU image file
267 # @filename: name of the image file
269 # @format: format of the image file
271 # @virtual-size: maximum capacity in bytes of the image
273 # @actual-size: #optional actual size on disk in bytes of the image
275 # @dirty-flag: #optional true if image is not cleanly closed
277 # @cluster-size: #optional size of a cluster in bytes
279 # @encrypted: #optional true if the image is encrypted
281 # @compressed: #optional true if the image is compressed (Since 1.7)
283 # @backing-filename: #optional name of the backing file
285 # @full-backing-filename: #optional full path of the backing file
287 # @backing-filename-format: #optional the format of the backing file
289 # @snapshots: #optional list of VM snapshots
291 # @backing-image: #optional info of the backing image (since 1.6)
293 # @format-specific: #optional structure supplying additional format-specific
294 # information (since 1.7)
300 { 'type': 'ImageInfo',
301 'data': {'filename': 'str', 'format': 'str', '*dirty-flag': 'bool',
302 '*actual-size': 'int', 'virtual-size': 'int',
303 '*cluster-size': 'int', '*encrypted': 'bool', '*compressed': 'bool',
304 '*backing-filename': 'str', '*full-backing-filename': 'str',
305 '*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'],
306 '*backing-image': 'ImageInfo',
307 '*format-specific': 'ImageInfoSpecific' } }
312 # Information about a QEMU image file check
314 # @filename: name of the image file checked
316 # @format: format of the image file checked
318 # @check-errors: number of unexpected errors occurred during check
320 # @image-end-offset: #optional offset (in bytes) where the image ends, this
321 # field is present if the driver for the image format
324 # @corruptions: #optional number of corruptions found during the check if any
326 # @leaks: #optional number of leaks found during the check if any
328 # @corruptions-fixed: #optional number of corruptions fixed during the check
331 # @leaks-fixed: #optional number of leaks fixed during the check if any
333 # @total-clusters: #optional total number of clusters, this field is present
334 # if the driver for the image format supports it
336 # @allocated-clusters: #optional total number of allocated clusters, this
337 # field is present if the driver for the image format
340 # @fragmented-clusters: #optional total number of fragmented clusters, this
341 # field is present if the driver for the image format
344 # @compressed-clusters: #optional total number of compressed clusters, this
345 # field is present if the driver for the image format
352 { 'type': 'ImageCheck',
353 'data': {'filename': 'str', 'format': 'str', 'check-errors': 'int',
354 '*image-end-offset': 'int', '*corruptions': 'int', '*leaks': 'int',
355 '*corruptions-fixed': 'int', '*leaks-fixed': 'int',
356 '*total-clusters': 'int', '*allocated-clusters': 'int',
357 '*fragmented-clusters': 'int', '*compressed-clusters': 'int' } }
362 # Information about VCPU run state
364 # @running: true if all VCPUs are runnable, false if not runnable
366 # @singlestep: true if VCPUs are in single-step mode
368 # @status: the virtual machine @RunState
372 # Notes: @singlestep is enabled through the GDB stub
374 { 'type': 'StatusInfo',
375 'data': {'running': 'bool', 'singlestep': 'bool', 'status': 'RunState'} }
380 # Query the run status of all VCPUs
382 # Returns: @StatusInfo reflecting all VCPUs
386 { 'command': 'query-status', 'returns': 'StatusInfo' }
391 # Guest UUID information.
393 # @UUID: the UUID of the guest
397 # Notes: If no UUID was specified for the guest, a null UUID is returned.
399 { 'type': 'UuidInfo', 'data': {'UUID': 'str'} }
404 # Query the guest UUID information.
406 # Returns: The @UuidInfo for the guest
410 { 'command': 'query-uuid', 'returns': 'UuidInfo' }
415 # Information about a character device.
417 # @label: the label of the character device
419 # @filename: the filename of the character device
421 # Notes: @filename is encoded using the QEMU command line character device
422 # encoding. See the QEMU man page for details.
426 { 'type': 'ChardevInfo', 'data': {'label': 'str', 'filename': 'str'} }
431 # Returns information about current character devices.
433 # Returns: a list of @ChardevInfo
437 { 'command': 'query-chardev', 'returns': ['ChardevInfo'] }
442 # An enumeration of data format.
444 # @utf8: Data is a UTF-8 string (RFC 3629)
446 # @base64: Data is Base64 encoded binary (RFC 3548)
450 { 'enum': 'DataFormat',
451 'data': [ 'utf8', 'base64' ] }
456 # Write to a ring buffer character device.
458 # @device: the ring buffer character device name
460 # @data: data to write
462 # @format: #optional data encoding (default 'utf8').
463 # - base64: data must be base64 encoded text. Its binary
464 # decoding gets written.
465 # Bug: invalid base64 is currently not rejected.
466 # Whitespace *is* invalid.
467 # - utf8: data's UTF-8 encoding is written
468 # - data itself is always Unicode regardless of format, like
471 # Returns: Nothing on success
475 { 'command': 'ringbuf-write',
476 'data': {'device': 'str', 'data': 'str',
477 '*format': 'DataFormat'} }
482 # Read from a ring buffer character device.
484 # @device: the ring buffer character device name
486 # @size: how many bytes to read at most
488 # @format: #optional data encoding (default 'utf8').
489 # - base64: the data read is returned in base64 encoding.
490 # - utf8: the data read is interpreted as UTF-8.
491 # Bug: can screw up when the buffer contains invalid UTF-8
492 # sequences, NUL characters, after the ring buffer lost
493 # data, and when reading stops because the size limit is
495 # - The return value is always Unicode regardless of format,
496 # like any other string.
498 # Returns: data read from the device
502 { 'command': 'ringbuf-read',
503 'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
509 # Information about a QMP command
511 # @name: The command name
515 { 'type': 'CommandInfo', 'data': {'name': 'str'} }
520 # Return a list of supported QMP commands by this server
522 # Returns: A list of @CommandInfo for all supported commands
526 { 'command': 'query-commands', 'returns': ['CommandInfo'] }
531 # Information about a QMP event
533 # @name: The event name
537 { 'type': 'EventInfo', 'data': {'name': 'str'} }
542 # Return a list of supported QMP events by this server
544 # Returns: A list of @EventInfo for all supported events
548 { 'command': 'query-events', 'returns': ['EventInfo'] }
553 # Detailed migration status.
555 # @transferred: amount of bytes already transferred to the target VM
557 # @remaining: amount of bytes remaining to be transferred to the target VM
559 # @total: total amount of bytes involved in the migration process
561 # @duplicate: number of duplicate (zero) pages (since 1.2)
563 # @skipped: number of skipped zero pages (since 1.5)
565 # @normal : number of normal pages (since 1.2)
567 # @normal-bytes: number of normal bytes sent (since 1.2)
569 # @dirty-pages-rate: number of pages dirtied by second by the
572 # @mbps: throughput in megabits/sec. (since 1.6)
576 { 'type': 'MigrationStats',
577 'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' ,
578 'duplicate': 'int', 'skipped': 'int', 'normal': 'int',
579 'normal-bytes': 'int', 'dirty-pages-rate' : 'int',
580 'mbps' : 'number' } }
585 # Detailed XBZRLE migration cache statistics
587 # @cache-size: XBZRLE cache size
589 # @bytes: amount of bytes already transferred to the target VM
591 # @pages: amount of pages transferred to the target VM
593 # @cache-miss: number of cache miss
595 # @overflow: number of overflows
599 { 'type': 'XBZRLECacheStats',
600 'data': {'cache-size': 'int', 'bytes': 'int', 'pages': 'int',
601 'cache-miss': 'int', 'overflow': 'int' } }
606 # Information about current migration process.
608 # @status: #optional string describing the current migration status.
609 # As of 0.14.0 this can be 'active', 'completed', 'failed' or
610 # 'cancelled'. If this field is not returned, no migration process
613 # @ram: #optional @MigrationStats containing detailed migration
614 # status, only returned if status is 'active' or
615 # 'completed'. 'comppleted' (since 1.2)
617 # @disk: #optional @MigrationStats containing detailed disk migration
618 # status, only returned if status is 'active' and it is a block
621 # @xbzrle-cache: #optional @XBZRLECacheStats containing detailed XBZRLE
622 # migration statistics, only returned if XBZRLE feature is on and
623 # status is 'active' or 'completed' (since 1.2)
625 # @total-time: #optional total amount of milliseconds since migration started.
626 # If migration has ended, it returns the total migration
629 # @downtime: #optional only present when migration finishes correctly
630 # total downtime in milliseconds for the guest.
633 # @expected-downtime: #optional only present while migration is active
634 # expected downtime in milliseconds for the guest in last walk
635 # of the dirty bitmap. (since 1.3)
637 # @setup-time: #optional amount of setup time in milliseconds _before_ the
638 # iterations begin but _after_ the QMP command is issued. This is designed
639 # to provide an accounting of any activities (such as RDMA pinning) which
640 # may be expensive, but do not actually occur during the iterative
641 # migration rounds themselves. (since 1.6)
645 { 'type': 'MigrationInfo',
646 'data': {'*status': 'str', '*ram': 'MigrationStats',
647 '*disk': 'MigrationStats',
648 '*xbzrle-cache': 'XBZRLECacheStats',
649 '*total-time': 'int',
650 '*expected-downtime': 'int',
652 '*setup-time': 'int'} }
657 # Returns information about current migration process.
659 # Returns: @MigrationInfo
663 { 'command': 'query-migrate', 'returns': 'MigrationInfo' }
666 # @MigrationCapability
668 # Migration capabilities enumeration
670 # @xbzrle: Migration supports xbzrle (Xor Based Zero Run Length Encoding).
671 # This feature allows us to minimize migration traffic for certain work
672 # loads, by sending compressed difference of the pages
674 # @x-rdma-pin-all: Controls whether or not the entire VM memory footprint is
675 # mlock()'d on demand or all at once. Refer to docs/rdma.txt for usage.
676 # Disabled by default. Experimental: may (or may not) be renamed after
677 # further testing is complete. (since 1.6)
679 # @zero-blocks: During storage migration encode blocks of zeroes efficiently. This
680 # essentially saves 1MB of zeroes per block on the wire. Enabling requires
681 # source and target VM to support this feature. To enable it is sufficient
682 # to enable the capability on the source VM. The feature is disabled by
683 # default. (since 1.6)
685 # @auto-converge: If enabled, QEMU will automatically throttle down the guest
686 # to speed up convergence of RAM migration. (since 1.6)
690 { 'enum': 'MigrationCapability',
691 'data': ['xbzrle', 'x-rdma-pin-all', 'auto-converge', 'zero-blocks'] }
694 # @MigrationCapabilityStatus
696 # Migration capability information
698 # @capability: capability enum
700 # @state: capability state bool
704 { 'type': 'MigrationCapabilityStatus',
705 'data': { 'capability' : 'MigrationCapability', 'state' : 'bool' } }
708 # @migrate-set-capabilities
710 # Enable/Disable the following migration capabilities (like xbzrle)
712 # @capabilities: json array of capability modifications to make
716 { 'command': 'migrate-set-capabilities',
717 'data': { 'capabilities': ['MigrationCapabilityStatus'] } }
720 # @query-migrate-capabilities
722 # Returns information about the current migration capabilities status
724 # Returns: @MigrationCapabilitiesStatus
728 { 'command': 'query-migrate-capabilities', 'returns': ['MigrationCapabilityStatus']}
733 # Information about a mouse device.
735 # @name: the name of the mouse device
737 # @index: the index of the mouse device
739 # @current: true if this device is currently receiving mouse events
741 # @absolute: true if this device supports absolute coordinates as input
745 { 'type': 'MouseInfo',
746 'data': {'name': 'str', 'index': 'int', 'current': 'bool',
747 'absolute': 'bool'} }
752 # Returns information about each active mouse device
754 # Returns: a list of @MouseInfo for each device
758 { 'command': 'query-mice', 'returns': ['MouseInfo'] }
763 # Information about a virtual CPU
765 # @CPU: the index of the virtual CPU
767 # @current: this only exists for backwards compatible and should be ignored
769 # @halted: true if the virtual CPU is in the halt state. Halt usually refers
770 # to a processor specific low power mode.
772 # @pc: #optional If the target is i386 or x86_64, this is the 64-bit instruction
774 # If the target is Sparc, this is the PC component of the
775 # instruction pointer.
777 # @nip: #optional If the target is PPC, the instruction pointer
779 # @npc: #optional If the target is Sparc, the NPC component of the instruction
782 # @PC: #optional If the target is MIPS, the instruction pointer
784 # @thread_id: ID of the underlying host thread
788 # Notes: @halted is a transient state that changes frequently. By the time the
789 # data is sent to the client, the guest may no longer be halted.
792 'data': {'CPU': 'int', 'current': 'bool', 'halted': 'bool', '*pc': 'int',
793 '*nip': 'int', '*npc': 'int', '*PC': 'int', 'thread_id': 'int'} }
798 # Returns a list of information about each virtual CPU.
800 # Returns: a list of @CpuInfo for each virtual CPU
804 { 'command': 'query-cpus', 'returns': ['CpuInfo'] }
809 # Information about the backing device for a block device.
811 # @file: the filename of the backing device
813 # @ro: true if the backing device was open read-only
815 # @drv: the name of the block format used to open the backing device. As of
816 # 0.14.0 this can be: 'blkdebug', 'bochs', 'cloop', 'cow', 'dmg',
817 # 'file', 'file', 'ftp', 'ftps', 'host_cdrom', 'host_device',
818 # 'host_floppy', 'http', 'https', 'nbd', 'parallels', 'qcow',
819 # 'qcow2', 'raw', 'tftp', 'vdi', 'vmdk', 'vpc', 'vvfat'
821 # @backing_file: #optional the name of the backing file (for copy-on-write)
823 # @backing_file_depth: number of files in the backing file chain (since: 1.2)
825 # @encrypted: true if the backing device is encrypted
827 # @encryption_key_missing: true if the backing device is encrypted but an
828 # valid encryption key is missing
830 # @bps: total throughput limit in bytes per second is specified
832 # @bps_rd: read throughput limit in bytes per second is specified
834 # @bps_wr: write throughput limit in bytes per second is specified
836 # @iops: total I/O operations per second is specified
838 # @iops_rd: read I/O operations per second is specified
840 # @iops_wr: write I/O operations per second is specified
842 # @image: the info of image used (since: 1.6)
844 # @bps_max: #optional total max in bytes (Since 1.7)
846 # @bps_rd_max: #optional read max in bytes (Since 1.7)
848 # @bps_wr_max: #optional write max in bytes (Since 1.7)
850 # @iops_max: #optional total I/O operations max (Since 1.7)
852 # @iops_rd_max: #optional read I/O operations max (Since 1.7)
854 # @iops_wr_max: #optional write I/O operations max (Since 1.7)
856 # @iops_size: #optional an I/O size in bytes (Since 1.7)
860 # Notes: This interface is only found in @BlockInfo.
862 { 'type': 'BlockDeviceInfo',
863 'data': { 'file': 'str', 'ro': 'bool', 'drv': 'str',
864 '*backing_file': 'str', 'backing_file_depth': 'int',
865 'encrypted': 'bool', 'encryption_key_missing': 'bool',
866 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
867 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int',
868 'image': 'ImageInfo',
869 '*bps_max': 'int', '*bps_rd_max': 'int',
870 '*bps_wr_max': 'int', '*iops_max': 'int',
871 '*iops_rd_max': 'int', '*iops_wr_max': 'int',
872 '*iops_size': 'int' } }
875 # @BlockDeviceIoStatus:
877 # An enumeration of block device I/O status.
879 # @ok: The last I/O operation has succeeded
881 # @failed: The last I/O operation has failed
883 # @nospace: The last I/O operation has failed due to a no-space condition
887 { 'enum': 'BlockDeviceIoStatus', 'data': [ 'ok', 'failed', 'nospace' ] }
890 # @BlockDeviceMapEntry:
892 # Entry in the metadata map of the device (returned by "qemu-img map")
894 # @start: Offset in the image of the first byte described by this entry
897 # @length: Length of the range described by this entry (in bytes)
899 # @depth: Number of layers (0 = top image, 1 = top image's backing file, etc.)
900 # before reaching one for which the range is allocated. The value is
901 # in the range 0 to the depth of the image chain - 1.
903 # @zero: the sectors in this range read as zeros
905 # @data: reading the image will actually read data from a file (in particular,
906 # if @offset is present this means that the sectors are not simply
907 # preallocated, but contain actual data in raw format)
909 # @offset: if present, the image file stores the data for this range in
910 # raw format at the given offset.
914 { 'type': 'BlockDeviceMapEntry',
915 'data': { 'start': 'int', 'length': 'int', 'depth': 'int', 'zero': 'bool',
916 'data': 'bool', '*offset': 'int' } }
921 # Block dirty bitmap information.
923 # @count: number of dirty bytes according to the dirty bitmap
925 # @granularity: granularity of the dirty bitmap in bytes (since 1.4)
929 { 'type': 'BlockDirtyInfo',
930 'data': {'count': 'int', 'granularity': 'int'} }
935 # Block device information. This structure describes a virtual device and
936 # the backing device associated with it.
938 # @device: The device name associated with the virtual device.
940 # @type: This field is returned only for compatibility reasons, it should
941 # not be used (always returns 'unknown')
943 # @removable: True if the device supports removable media.
945 # @locked: True if the guest has locked this device from having its media
948 # @tray_open: #optional True if the device has a tray and it is open
949 # (only present if removable is true)
951 # @dirty: #optional dirty bitmap information (only present if the dirty
954 # @io-status: #optional @BlockDeviceIoStatus. Only present if the device
955 # supports it and the VM is configured to stop on errors
957 # @inserted: #optional @BlockDeviceInfo describing the device if media is
962 { 'type': 'BlockInfo',
963 'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
964 'locked': 'bool', '*inserted': 'BlockDeviceInfo',
965 '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus',
966 '*dirty': 'BlockDirtyInfo' } }
971 # Get a list of BlockInfo for all virtual block devices.
973 # Returns: a list of @BlockInfo describing each virtual block device
977 { 'command': 'query-block', 'returns': ['BlockInfo'] }
982 # Statistics of a virtual block device or a block backing device.
984 # @rd_bytes: The number of bytes read by the device.
986 # @wr_bytes: The number of bytes written by the device.
988 # @rd_operations: The number of read operations performed by the device.
990 # @wr_operations: The number of write operations performed by the device.
992 # @flush_operations: The number of cache flush operations performed by the
993 # device (since 0.15.0)
995 # @flush_total_time_ns: Total time spend on cache flushes in nano-seconds
998 # @wr_total_time_ns: Total time spend on writes in nano-seconds (since 0.15.0).
1000 # @rd_total_time_ns: Total_time_spend on reads in nano-seconds (since 0.15.0).
1002 # @wr_highest_offset: The offset after the greatest byte written to the
1003 # device. The intended use of this information is for
1004 # growable sparse files (like qcow2) that are used on top
1005 # of a physical device.
1009 { 'type': 'BlockDeviceStats',
1010 'data': {'rd_bytes': 'int', 'wr_bytes': 'int', 'rd_operations': 'int',
1011 'wr_operations': 'int', 'flush_operations': 'int',
1012 'flush_total_time_ns': 'int', 'wr_total_time_ns': 'int',
1013 'rd_total_time_ns': 'int', 'wr_highest_offset': 'int' } }
1018 # Statistics of a virtual block device or a block backing device.
1020 # @device: #optional If the stats are for a virtual block device, the name
1021 # corresponding to the virtual block device.
1023 # @stats: A @BlockDeviceStats for the device.
1025 # @parent: #optional This may point to the backing block device if this is a
1026 # a virtual block device. If it's a backing block, this will point
1027 # to the backing file is one is present.
1031 { 'type': 'BlockStats',
1032 'data': {'*device': 'str', 'stats': 'BlockDeviceStats',
1033 '*parent': 'BlockStats'} }
1036 # @query-blockstats:
1038 # Query the @BlockStats for all virtual block devices.
1040 # Returns: A list of @BlockStats for each virtual block devices.
1044 { 'command': 'query-blockstats', 'returns': ['BlockStats'] }
1049 # Information about a connected VNC client.
1051 # @host: The host name of the client. QEMU tries to resolve this to a DNS name
1054 # @family: 'ipv6' if the client is connected via IPv6 and TCP
1055 # 'ipv4' if the client is connected via IPv4 and TCP
1056 # 'unix' if the client is connected via a unix domain socket
1057 # 'unknown' otherwise
1059 # @service: The service name of the client's port. This may depends on the
1060 # host system's service database so symbolic names should not be
1063 # @x509_dname: #optional If x509 authentication is in use, the Distinguished
1064 # Name of the client.
1066 # @sasl_username: #optional If SASL authentication is in use, the SASL username
1067 # used for authentication.
1071 { 'type': 'VncClientInfo',
1072 'data': {'host': 'str', 'family': 'str', 'service': 'str',
1073 '*x509_dname': 'str', '*sasl_username': 'str'} }
1078 # Information about the VNC session.
1080 # @enabled: true if the VNC server is enabled, false otherwise
1082 # @host: #optional The hostname the VNC server is bound to. This depends on
1083 # the name resolution on the host and may be an IP address.
1085 # @family: #optional 'ipv6' if the host is listening for IPv6 connections
1086 # 'ipv4' if the host is listening for IPv4 connections
1087 # 'unix' if the host is listening on a unix domain socket
1088 # 'unknown' otherwise
1090 # @service: #optional The service name of the server's port. This may depends
1091 # on the host system's service database so symbolic names should not
1094 # @auth: #optional the current authentication type used by the server
1095 # 'none' if no authentication is being used
1096 # 'vnc' if VNC authentication is being used
1097 # 'vencrypt+plain' if VEncrypt is used with plain text authentication
1098 # 'vencrypt+tls+none' if VEncrypt is used with TLS and no authentication
1099 # 'vencrypt+tls+vnc' if VEncrypt is used with TLS and VNC authentication
1100 # 'vencrypt+tls+plain' if VEncrypt is used with TLS and plain text auth
1101 # 'vencrypt+x509+none' if VEncrypt is used with x509 and no auth
1102 # 'vencrypt+x509+vnc' if VEncrypt is used with x509 and VNC auth
1103 # 'vencrypt+x509+plain' if VEncrypt is used with x509 and plain text auth
1104 # 'vencrypt+tls+sasl' if VEncrypt is used with TLS and SASL auth
1105 # 'vencrypt+x509+sasl' if VEncrypt is used with x509 and SASL auth
1107 # @clients: a list of @VncClientInfo of all currently connected clients
1111 { 'type': 'VncInfo',
1112 'data': {'enabled': 'bool', '*host': 'str', '*family': 'str',
1113 '*service': 'str', '*auth': 'str', '*clients': ['VncClientInfo']} }
1118 # Returns information about the current VNC server
1124 { 'command': 'query-vnc', 'returns': 'VncInfo' }
1129 # Information about a SPICE client channel.
1131 # @host: The host name of the client. QEMU tries to resolve this to a DNS name
1134 # @family: 'ipv6' if the client is connected via IPv6 and TCP
1135 # 'ipv4' if the client is connected via IPv4 and TCP
1136 # 'unix' if the client is connected via a unix domain socket
1137 # 'unknown' otherwise
1139 # @port: The client's port number.
1141 # @connection-id: SPICE connection id number. All channels with the same id
1142 # belong to the same SPICE session.
1144 # @connection-type: SPICE channel type number. "1" is the main control
1145 # channel, filter for this one if you want to track spice
1148 # @channel-id: SPICE channel ID number. Usually "0", might be different when
1149 # multiple channels of the same type exist, such as multiple
1150 # display channels in a multihead setup
1152 # @tls: true if the channel is encrypted, false otherwise.
1156 { 'type': 'SpiceChannel',
1157 'data': {'host': 'str', 'family': 'str', 'port': 'str',
1158 'connection-id': 'int', 'channel-type': 'int', 'channel-id': 'int',
1162 # @SpiceQueryMouseMode
1164 # An enumeration of Spice mouse states.
1166 # @client: Mouse cursor position is determined by the client.
1168 # @server: Mouse cursor position is determined by the server.
1170 # @unknown: No information is available about mouse mode used by
1173 # Note: spice/enums.h has a SpiceMouseMode already, hence the name.
1177 { 'enum': 'SpiceQueryMouseMode',
1178 'data': [ 'client', 'server', 'unknown' ] }
1183 # Information about the SPICE session.
1185 # @enabled: true if the SPICE server is enabled, false otherwise
1187 # @migrated: true if the last guest migration completed and spice
1188 # migration had completed as well. false otherwise.
1190 # @host: #optional The hostname the SPICE server is bound to. This depends on
1191 # the name resolution on the host and may be an IP address.
1193 # @port: #optional The SPICE server's port number.
1195 # @compiled-version: #optional SPICE server version.
1197 # @tls-port: #optional The SPICE server's TLS port number.
1199 # @auth: #optional the current authentication type used by the server
1200 # 'none' if no authentication is being used
1201 # 'spice' uses SASL or direct TLS authentication, depending on command
1204 # @mouse-mode: The mode in which the mouse cursor is displayed currently. Can
1205 # be determined by the client or the server, or unknown if spice
1206 # server doesn't provide this information.
1210 # @channels: a list of @SpiceChannel for each active spice channel
1214 { 'type': 'SpiceInfo',
1215 'data': {'enabled': 'bool', 'migrated': 'bool', '*host': 'str', '*port': 'int',
1216 '*tls-port': 'int', '*auth': 'str', '*compiled-version': 'str',
1217 'mouse-mode': 'SpiceQueryMouseMode', '*channels': ['SpiceChannel']} }
1222 # Returns information about the current SPICE server
1224 # Returns: @SpiceInfo
1228 { 'command': 'query-spice', 'returns': 'SpiceInfo' }
1233 # Information about the guest balloon device.
1235 # @actual: the number of bytes the balloon currently contains
1240 { 'type': 'BalloonInfo', 'data': {'actual': 'int' } }
1245 # Return information about the balloon device.
1247 # Returns: @BalloonInfo on success
1248 # If the balloon driver is enabled but not functional because the KVM
1249 # kernel module cannot support it, KvmMissingCap
1250 # If no balloon device is present, DeviceNotActive
1254 { 'command': 'query-balloon', 'returns': 'BalloonInfo' }
1259 # A PCI device memory region
1261 # @base: the starting address (guest physical)
1263 # @limit: the ending address (guest physical)
1267 { 'type': 'PciMemoryRange', 'data': {'base': 'int', 'limit': 'int'} }
1272 # Information about a PCI device I/O region.
1274 # @bar: the index of the Base Address Register for this region
1276 # @type: 'io' if the region is a PIO region
1277 # 'memory' if the region is a MMIO region
1279 # @prefetch: #optional if @type is 'memory', true if the memory is prefetchable
1281 # @mem_type_64: #optional if @type is 'memory', true if the BAR is 64-bit
1285 { 'type': 'PciMemoryRegion',
1286 'data': {'bar': 'int', 'type': 'str', 'address': 'int', 'size': 'int',
1287 '*prefetch': 'bool', '*mem_type_64': 'bool' } }
1292 # Information about a PCI Bridge device
1294 # @bus.number: primary bus interface number. This should be the number of the
1295 # bus the device resides on.
1297 # @bus.secondary: secondary bus interface number. This is the number of the
1298 # main bus for the bridge
1300 # @bus.subordinate: This is the highest number bus that resides below the
1303 # @bus.io_range: The PIO range for all devices on this bridge
1305 # @bus.memory_range: The MMIO range for all devices on this bridge
1307 # @bus.prefetchable_range: The range of prefetchable MMIO for all devices on
1310 # @devices: a list of @PciDeviceInfo for each device on this bridge
1314 { 'type': 'PciBridgeInfo',
1315 'data': {'bus': { 'number': 'int', 'secondary': 'int', 'subordinate': 'int',
1316 'io_range': 'PciMemoryRange',
1317 'memory_range': 'PciMemoryRange',
1318 'prefetchable_range': 'PciMemoryRange' },
1319 '*devices': ['PciDeviceInfo']} }
1324 # Information about a PCI device
1326 # @bus: the bus number of the device
1328 # @slot: the slot the device is located in
1330 # @function: the function of the slot used by the device
1332 # @class_info.desc: #optional a string description of the device's class
1334 # @class_info.class: the class code of the device
1336 # @id.device: the PCI device id
1338 # @id.vendor: the PCI vendor id
1340 # @irq: #optional if an IRQ is assigned to the device, the IRQ number
1342 # @qdev_id: the device name of the PCI device
1344 # @pci_bridge: if the device is a PCI bridge, the bridge information
1346 # @regions: a list of the PCI I/O regions associated with the device
1348 # Notes: the contents of @class_info.desc are not stable and should only be
1349 # treated as informational.
1353 { 'type': 'PciDeviceInfo',
1354 'data': {'bus': 'int', 'slot': 'int', 'function': 'int',
1355 'class_info': {'*desc': 'str', 'class': 'int'},
1356 'id': {'device': 'int', 'vendor': 'int'},
1357 '*irq': 'int', 'qdev_id': 'str', '*pci_bridge': 'PciBridgeInfo',
1358 'regions': ['PciMemoryRegion']} }
1363 # Information about a PCI bus
1365 # @bus: the bus index
1367 # @devices: a list of devices on this bus
1371 { 'type': 'PciInfo', 'data': {'bus': 'int', 'devices': ['PciDeviceInfo']} }
1376 # Return information about the PCI bus topology of the guest.
1378 # Returns: a list of @PciInfo for each PCI bus
1382 { 'command': 'query-pci', 'returns': ['PciInfo'] }
1387 # An enumeration of possible behaviors for errors on I/O operations.
1388 # The exact meaning depends on whether the I/O was initiated by a guest
1391 # @report: for guest operations, report the error to the guest;
1392 # for jobs, cancel the job
1394 # @ignore: ignore the error, only report a QMP event (BLOCK_IO_ERROR
1395 # or BLOCK_JOB_ERROR)
1397 # @enospc: same as @stop on ENOSPC, same as @report otherwise.
1399 # @stop: for guest operations, stop the virtual machine;
1400 # for jobs, pause the job
1404 { 'enum': 'BlockdevOnError',
1405 'data': ['report', 'ignore', 'enospc', 'stop'] }
1410 # An enumeration of possible behaviors for the initial synchronization
1411 # phase of storage mirroring.
1413 # @top: copies data in the topmost image to the destination
1415 # @full: copies data from all images to the destination
1417 # @none: only copy data written from now on
1421 { 'enum': 'MirrorSyncMode',
1422 'data': ['top', 'full', 'none'] }
1427 # Type of a block job.
1429 # @commit: block commit job type, see "block-commit"
1431 # @stream: block stream job type, see "block-stream"
1433 # @mirror: drive mirror job type, see "drive-mirror"
1435 # @backup: drive backup job type, see "drive-backup"
1439 { 'enum': 'BlockJobType',
1440 'data': ['commit', 'stream', 'mirror', 'backup'] }
1445 # Information about a long-running block device operation.
1447 # @type: the job type ('stream' for image streaming)
1449 # @device: the block device name
1451 # @len: the maximum progress value
1453 # @busy: false if the job is known to be in a quiescent state, with
1454 # no pending I/O. Since 1.3.
1456 # @paused: whether the job is paused or, if @busy is true, will
1457 # pause itself as soon as possible. Since 1.3.
1459 # @offset: the current progress value
1461 # @speed: the rate limit, bytes per second
1463 # @io-status: the status of the job (since 1.3)
1467 { 'type': 'BlockJobInfo',
1468 'data': {'type': 'str', 'device': 'str', 'len': 'int',
1469 'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int',
1470 'io-status': 'BlockDeviceIoStatus'} }
1473 # @query-block-jobs:
1475 # Return information about long-running block device operations.
1477 # Returns: a list of @BlockJobInfo for each active block job
1481 { 'command': 'query-block-jobs', 'returns': ['BlockJobInfo'] }
1486 # This command will cause the QEMU process to exit gracefully. While every
1487 # attempt is made to send the QMP response before terminating, this is not
1488 # guaranteed. When using this interface, a premature EOF would not be
1493 { 'command': 'quit' }
1498 # Stop all guest VCPU execution.
1502 # Notes: This function will succeed even if the guest is already in the stopped
1503 # state. In "inmigrate" state, it will ensure that the guest
1504 # remains paused once migration finishes, as if the -S option was
1505 # passed on the command line.
1507 { 'command': 'stop' }
1512 # Performs a hard reset of a guest.
1516 { 'command': 'system_reset' }
1519 # @system_powerdown:
1521 # Requests that a guest perform a powerdown operation.
1525 # Notes: A guest may or may not respond to this command. This command
1526 # returning does not indicate that a guest has accepted the request or
1527 # that it has shut down. Many guests will respond to this command by
1528 # prompting the user in some way.
1530 { 'command': 'system_powerdown' }
1535 # This command is a nop that is only provided for the purposes of compatibility.
1539 # Notes: Do not use this command.
1541 { 'command': 'cpu', 'data': {'index': 'int'} }
1546 # Adds CPU with specified ID
1548 # @id: ID of CPU to be created, valid values [0..max_cpus)
1550 # Returns: Nothing on success
1554 { 'command': 'cpu-add', 'data': {'id': 'int'} }
1559 # Save a portion of guest memory to a file.
1561 # @val: the virtual address of the guest to start from
1563 # @size: the size of memory region to save
1565 # @filename: the file to save the memory to as binary data
1567 # @cpu-index: #optional the index of the virtual CPU to use for translating the
1568 # virtual address (defaults to CPU 0)
1570 # Returns: Nothing on success
1574 # Notes: Errors were not reliably returned until 1.1
1576 { 'command': 'memsave',
1577 'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }
1582 # Save a portion of guest physical memory to a file.
1584 # @val: the physical address of the guest to start from
1586 # @size: the size of memory region to save
1588 # @filename: the file to save the memory to as binary data
1590 # Returns: Nothing on success
1594 # Notes: Errors were not reliably returned until 1.1
1596 { 'command': 'pmemsave',
1597 'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }
1602 # Resume guest VCPU execution.
1606 # Returns: If successful, nothing
1607 # If QEMU was started with an encrypted block device and a key has
1608 # not yet been set, DeviceEncrypted.
1610 # Notes: This command will succeed if the guest is currently running. It
1611 # will also succeed if the guest is in the "inmigrate" state; in
1612 # this case, the effect of the command is to make sure the guest
1613 # starts once migration finishes, removing the effect of the -S
1614 # command line option if it was passed.
1616 { 'command': 'cont' }
1621 # Wakeup guest from suspend. Does nothing in case the guest isn't suspended.
1627 { 'command': 'system_wakeup' }
1632 # Injects an Non-Maskable Interrupt into all guest's VCPUs.
1634 # Returns: If successful, nothing
1638 # Notes: Only x86 Virtual Machines support this command.
1640 { 'command': 'inject-nmi' }
1645 # Sets the link status of a virtual network adapter.
1647 # @name: the device name of the virtual network adapter
1649 # @up: true to set the link status to be up
1651 # Returns: Nothing on success
1652 # If @name is not a valid network device, DeviceNotFound
1656 # Notes: Not all network adapters support setting link status. This command
1657 # will succeed even if the network adapter does not support link status
1660 { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
1665 # This command sets the password of a block device that has not been open
1666 # with a password and requires one.
1668 # The two cases where this can happen are a block device is created through
1669 # QEMU's initial command line or a block device is changed through the legacy
1670 # @change interface.
1672 # In the event that the block device is created through the initial command
1673 # line, the VM will start in the stopped state regardless of whether '-S' is
1674 # used. The intention is for a management tool to query the block devices to
1675 # determine which ones are encrypted, set the passwords with this command, and
1676 # then start the guest with the @cont command.
1678 # @device: the name of the device to set the password on
1680 # @password: the password to use for the device
1682 # Returns: nothing on success
1683 # If @device is not a valid block device, DeviceNotFound
1684 # If @device is not encrypted, DeviceNotEncrypted
1686 # Notes: Not all block formats support encryption and some that do are not
1687 # able to validate that a password is correct. Disk corruption may
1688 # occur if an invalid password is specified.
1692 { 'command': 'block_passwd', 'data': {'device': 'str', 'password': 'str'} }
1697 # Request the balloon driver to change its balloon size.
1699 # @value: the target size of the balloon in bytes
1701 # Returns: Nothing on success
1702 # If the balloon driver is enabled but not functional because the KVM
1703 # kernel module cannot support it, KvmMissingCap
1704 # If no balloon device is present, DeviceNotActive
1706 # Notes: This command just issues a request to the guest. When it returns,
1707 # the balloon size may not have changed. A guest can change the balloon
1708 # size independent of this command.
1712 { 'command': 'balloon', 'data': {'value': 'int'} }
1717 # Resize a block image while a guest is running.
1719 # @device: the name of the device to get the image resized
1721 # @size: new image size in bytes
1723 # Returns: nothing on success
1724 # If @device is not a valid block device, DeviceNotFound
1728 { 'command': 'block_resize', 'data': { 'device': 'str', 'size': 'int' }}
1733 # An enumeration that tells QEMU how to set the backing file path in
1736 # @existing: QEMU should look for an existing image file.
1738 # @absolute-paths: QEMU should create a new image with absolute paths
1739 # for the backing file.
1743 { 'enum': 'NewImageMode',
1744 'data': [ 'existing', 'absolute-paths' ] }
1749 # @device: the name of the device to generate the snapshot from.
1751 # @snapshot-file: the target of the new image. A new file will be created.
1753 # @format: #optional the format of the snapshot image, default is 'qcow2'.
1755 # @mode: #optional whether and how QEMU should create a new image, default is
1758 { 'type': 'BlockdevSnapshot',
1759 'data': { 'device': 'str', 'snapshot-file': 'str', '*format': 'str',
1760 '*mode': 'NewImageMode' } }
1763 # @BlockdevSnapshotInternal
1765 # @device: the name of the device to generate the snapshot from
1767 # @name: the name of the internal snapshot to be created
1769 # Notes: In transaction, if @name is empty, or any snapshot matching @name
1770 # exists, the operation will fail. Only some image formats support it,
1771 # for example, qcow2, rbd, and sheepdog.
1775 { 'type': 'BlockdevSnapshotInternal',
1776 'data': { 'device': 'str', 'name': 'str' } }
1781 # @device: the name of the device which should be copied.
1783 # @target: the target of the new image. If the file exists, or if it
1784 # is a device, the existing file/device will be used as the new
1785 # destination. If it does not exist, a new file will be created.
1787 # @format: #optional the format of the new destination, default is to
1788 # probe if @mode is 'existing', else the format of the source
1790 # @sync: what parts of the disk image should be copied to the destination
1791 # (all the disk, only the sectors allocated in the topmost image, or
1794 # @mode: #optional whether and how QEMU should create a new image, default is
1797 # @speed: #optional the maximum speed, in bytes per second
1799 # @on-source-error: #optional the action to take on an error on the source,
1800 # default 'report'. 'stop' and 'enospc' can only be used
1801 # if the block device supports io-status (see BlockInfo).
1803 # @on-target-error: #optional the action to take on an error on the target,
1804 # default 'report' (no limitations, since this applies to
1805 # a different block device than @device).
1807 # Note that @on-source-error and @on-target-error only affect background I/O.
1808 # If an error occurs during a guest write request, the device's rerror/werror
1809 # actions will be used.
1813 { 'type': 'DriveBackup',
1814 'data': { 'device': 'str', 'target': 'str', '*format': 'str',
1815 'sync': 'MirrorSyncMode', '*mode': 'NewImageMode',
1817 '*on-source-error': 'BlockdevOnError',
1818 '*on-target-error': 'BlockdevOnError' } }
1823 # This action can be used to test transaction failure.
1831 # @TransactionAction
1833 # A discriminated record of operations that can be performed with
1836 { 'union': 'TransactionAction',
1838 'blockdev-snapshot-sync': 'BlockdevSnapshot',
1839 'drive-backup': 'DriveBackup',
1841 'blockdev-snapshot-internal-sync': 'BlockdevSnapshotInternal'
1847 # Executes a number of transactionable QMP commands atomically. If any
1848 # operation fails, then the entire set of actions will be abandoned and the
1849 # appropriate error returned.
1852 # @TransactionAction: information needed for the respective operation
1854 # Returns: nothing on success
1855 # Errors depend on the operations of the transaction
1857 # Note: The transaction aborts on the first failure. Therefore, there will be
1858 # information on only one failed operation returned in an error condition, and
1859 # subsequent actions will not have been attempted.
1863 { 'command': 'transaction',
1864 'data': { 'actions': [ 'TransactionAction' ] } }
1867 # @blockdev-snapshot-sync
1869 # Generates a synchronous snapshot of a block device.
1871 # For the arguments, see the documentation of BlockdevSnapshot.
1873 # Returns: nothing on success
1874 # If @device is not a valid block device, DeviceNotFound
1878 { 'command': 'blockdev-snapshot-sync',
1879 'data': 'BlockdevSnapshot' }
1882 # @blockdev-snapshot-internal-sync
1884 # Synchronously take an internal snapshot of a block device, when the format
1885 # of the image used supports it.
1887 # For the arguments, see the documentation of BlockdevSnapshotInternal.
1889 # Returns: nothing on success
1890 # If @device is not a valid block device, DeviceNotFound
1891 # If any snapshot matching @name exists, or @name is empty,
1893 # If the format of the image used does not support it,
1894 # BlockFormatFeatureNotSupported
1898 { 'command': 'blockdev-snapshot-internal-sync',
1899 'data': 'BlockdevSnapshotInternal' }
1902 # @blockdev-snapshot-delete-internal-sync
1904 # Synchronously delete an internal snapshot of a block device, when the format
1905 # of the image used support it. The snapshot is identified by name or id or
1906 # both. One of the name or id is required. Return SnapshotInfo for the
1907 # successfully deleted snapshot.
1909 # @device: the name of the device to delete the snapshot from
1911 # @id: optional the snapshot's ID to be deleted
1913 # @name: optional the snapshot's name to be deleted
1915 # Returns: SnapshotInfo on success
1916 # If @device is not a valid block device, DeviceNotFound
1917 # If snapshot not found, GenericError
1918 # If the format of the image used does not support it,
1919 # BlockFormatFeatureNotSupported
1920 # If @id and @name are both not specified, GenericError
1924 { 'command': 'blockdev-snapshot-delete-internal-sync',
1925 'data': { 'device': 'str', '*id': 'str', '*name': 'str'},
1926 'returns': 'SnapshotInfo' }
1929 # @human-monitor-command:
1931 # Execute a command on the human monitor and return the output.
1933 # @command-line: the command to execute in the human monitor
1935 # @cpu-index: #optional The CPU to use for commands that require an implicit CPU
1937 # Returns: the output of the command as a string
1941 # Notes: This command only exists as a stop-gap. Its use is highly
1942 # discouraged. The semantics of this command are not guaranteed.
1944 # Known limitations:
1946 # o This command is stateless, this means that commands that depend
1947 # on state information (such as getfd) might not work
1949 # o Commands that prompt the user for data (eg. 'cont' when the block
1950 # device is encrypted) don't currently work
1952 { 'command': 'human-monitor-command',
1953 'data': {'command-line': 'str', '*cpu-index': 'int'},
1959 # Live commit of data from overlay image nodes into backing nodes - i.e.,
1960 # writes data between 'top' and 'base' into 'base'.
1962 # @device: the name of the device
1964 # @base: #optional The file name of the backing image to write data into.
1965 # If not specified, this is the deepest backing image
1967 # @top: The file name of the backing image within the image chain,
1968 # which contains the topmost data to be committed down.
1969 # Note, the active layer as 'top' is currently unsupported.
1971 # If top == base, that is an error.
1974 # @speed: #optional the maximum speed, in bytes per second
1976 # Returns: Nothing on success
1977 # If commit or stream is already active on this device, DeviceInUse
1978 # If @device does not exist, DeviceNotFound
1979 # If image commit is not supported by this device, NotSupported
1980 # If @base or @top is invalid, a generic error is returned
1981 # If @top is the active layer, or omitted, a generic error is returned
1982 # If @speed is invalid, InvalidParameter
1987 { 'command': 'block-commit',
1988 'data': { 'device': 'str', '*base': 'str', 'top': 'str',
1994 # Start a point-in-time copy of a block device to a new destination. The
1995 # status of ongoing drive-backup operations can be checked with
1996 # query-block-jobs where the BlockJobInfo.type field has the value 'backup'.
1997 # The operation can be stopped before it has completed using the
1998 # block-job-cancel command.
2000 # For the arguments, see the documentation of DriveBackup.
2002 # Returns: nothing on success
2003 # If @device is not a valid block device, DeviceNotFound
2007 { 'command': 'drive-backup', 'data': 'DriveBackup' }
2012 # Start mirroring a block device's writes to a new destination.
2014 # @device: the name of the device whose writes should be mirrored.
2016 # @target: the target of the new image. If the file exists, or if it
2017 # is a device, the existing file/device will be used as the new
2018 # destination. If it does not exist, a new file will be created.
2020 # @format: #optional the format of the new destination, default is to
2021 # probe if @mode is 'existing', else the format of the source
2023 # @mode: #optional whether and how QEMU should create a new image, default is
2026 # @speed: #optional the maximum speed, in bytes per second
2028 # @sync: what parts of the disk image should be copied to the destination
2029 # (all the disk, only the sectors allocated in the topmost image, or
2032 # @granularity: #optional granularity of the dirty bitmap, default is 64K
2033 # if the image format doesn't have clusters, 4K if the clusters
2034 # are smaller than that, else the cluster size. Must be a
2035 # power of 2 between 512 and 64M (since 1.4).
2037 # @buf-size: #optional maximum amount of data in flight from source to
2038 # target (since 1.4).
2040 # @on-source-error: #optional the action to take on an error on the source,
2041 # default 'report'. 'stop' and 'enospc' can only be used
2042 # if the block device supports io-status (see BlockInfo).
2044 # @on-target-error: #optional the action to take on an error on the target,
2045 # default 'report' (no limitations, since this applies to
2046 # a different block device than @device).
2048 # Returns: nothing on success
2049 # If @device is not a valid block device, DeviceNotFound
2053 { 'command': 'drive-mirror',
2054 'data': { 'device': 'str', 'target': 'str', '*format': 'str',
2055 'sync': 'MirrorSyncMode', '*mode': 'NewImageMode',
2056 '*speed': 'int', '*granularity': 'uint32',
2057 '*buf-size': 'int', '*on-source-error': 'BlockdevOnError',
2058 '*on-target-error': 'BlockdevOnError' } }
2063 # Cancel the current executing migration process.
2065 # Returns: nothing on success
2067 # Notes: This command succeeds even if there is no migration process running.
2071 { 'command': 'migrate_cancel' }
2074 # @migrate_set_downtime
2076 # Set maximum tolerated downtime for migration.
2078 # @value: maximum downtime in seconds
2080 # Returns: nothing on success
2084 { 'command': 'migrate_set_downtime', 'data': {'value': 'number'} }
2087 # @migrate_set_speed
2089 # Set maximum speed for migration.
2091 # @value: maximum speed in bytes.
2093 # Returns: nothing on success
2095 # Notes: A value lesser than zero will be automatically round up to zero.
2099 { 'command': 'migrate_set_speed', 'data': {'value': 'int'} }
2102 # @migrate-set-cache-size
2104 # Set XBZRLE cache size
2106 # @value: cache size in bytes
2108 # The size will be rounded down to the nearest power of 2.
2109 # The cache size can be modified before and during ongoing migration
2111 # Returns: nothing on success
2115 { 'command': 'migrate-set-cache-size', 'data': {'value': 'int'} }
2118 # @query-migrate-cache-size
2120 # query XBZRLE cache size
2122 # Returns: XBZRLE cache size in bytes
2126 { 'command': 'query-migrate-cache-size', 'returns': 'int' }
2129 # @ObjectPropertyInfo:
2131 # @name: the name of the property
2133 # @type: the type of the property. This will typically come in one of four
2136 # 1) A primitive type such as 'u8', 'u16', 'bool', 'str', or 'double'.
2137 # These types are mapped to the appropriate JSON type.
2139 # 2) A legacy type in the form 'legacy<subtype>' where subtype is the
2140 # legacy qdev typename. These types are always treated as strings.
2142 # 3) A child type in the form 'child<subtype>' where subtype is a qdev
2143 # device type name. Child properties create the composition tree.
2145 # 4) A link type in the form 'link<subtype>' where subtype is a qdev
2146 # device type name. Link properties form the device model graph.
2150 { 'type': 'ObjectPropertyInfo',
2151 'data': { 'name': 'str', 'type': 'str' } }
2156 # This command will list any properties of a object given a path in the object
2159 # @path: the path within the object model. See @qom-get for a description of
2162 # Returns: a list of @ObjectPropertyInfo that describe the properties of the
2167 { 'command': 'qom-list',
2168 'data': { 'path': 'str' },
2169 'returns': [ 'ObjectPropertyInfo' ] }
2174 # This command will get a property from a object model path and return the
2177 # @path: The path within the object model. There are two forms of supported
2178 # paths--absolute and partial paths.
2180 # Absolute paths are derived from the root object and can follow child<>
2181 # or link<> properties. Since they can follow link<> properties, they
2182 # can be arbitrarily long. Absolute paths look like absolute filenames
2183 # and are prefixed with a leading slash.
2185 # Partial paths look like relative filenames. They do not begin
2186 # with a prefix. The matching rules for partial paths are subtle but
2187 # designed to make specifying objects easy. At each level of the
2188 # composition tree, the partial path is matched as an absolute path.
2189 # The first match is not returned. At least two matches are searched
2190 # for. A successful result is only returned if only one match is
2191 # found. If more than one match is found, a flag is return to
2192 # indicate that the match was ambiguous.
2194 # @property: The property name to read
2196 # Returns: The property value. The type depends on the property type. legacy<>
2197 # properties are returned as #str. child<> and link<> properties are
2198 # returns as #str pathnames. All integer property types (u8, u16, etc)
2199 # are returned as #int.
2203 { 'command': 'qom-get',
2204 'data': { 'path': 'str', 'property': 'str' },
2205 'returns': 'visitor',
2211 # This command will set a property from a object model path.
2213 # @path: see @qom-get for a description of this parameter
2215 # @property: the property name to set
2217 # @value: a value who's type is appropriate for the property type. See @qom-get
2218 # for a description of type mapping.
2222 { 'command': 'qom-set',
2223 'data': { 'path': 'str', 'property': 'str', 'value': 'visitor' },
2229 # Sets the password of a remote display session.
2231 # @protocol: `vnc' to modify the VNC server password
2232 # `spice' to modify the Spice server password
2234 # @password: the new password
2236 # @connected: #optional how to handle existing clients when changing the
2237 # password. If nothing is specified, defaults to `keep'
2238 # `fail' to fail the command if clients are connected
2239 # `disconnect' to disconnect existing clients
2240 # `keep' to maintain existing clients
2242 # Returns: Nothing on success
2243 # If Spice is not enabled, DeviceNotFound
2247 { 'command': 'set_password',
2248 'data': {'protocol': 'str', 'password': 'str', '*connected': 'str'} }
2253 # Expire the password of a remote display server.
2255 # @protocol: the name of the remote display protocol `vnc' or `spice'
2257 # @time: when to expire the password.
2258 # `now' to expire the password immediately
2259 # `never' to cancel password expiration
2260 # `+INT' where INT is the number of seconds from now (integer)
2261 # `INT' where INT is the absolute time in seconds
2263 # Returns: Nothing on success
2264 # If @protocol is `spice' and Spice is not active, DeviceNotFound
2268 # Notes: Time is relative to the server and currently there is no way to
2269 # coordinate server time with client time. It is not recommended to
2270 # use the absolute time version of the @time parameter unless you're
2271 # sure you are on the same machine as the QEMU instance.
2273 { 'command': 'expire_password', 'data': {'protocol': 'str', 'time': 'str'} }
2278 # Ejects a device from a removable drive.
2280 # @device: The name of the device
2282 # @force: @optional If true, eject regardless of whether the drive is locked.
2283 # If not specified, the default value is false.
2285 # Returns: Nothing on success
2286 # If @device is not a valid block device, DeviceNotFound
2288 # Notes: Ejecting a device will no media results in success
2292 { 'command': 'eject', 'data': {'device': 'str', '*force': 'bool'} }
2295 # @change-vnc-password:
2297 # Change the VNC server password.
2299 # @target: the new password to use with VNC authentication
2303 # Notes: An empty password in this command will set the password to the empty
2304 # string. Existing clients are unaffected by executing this command.
2306 { 'command': 'change-vnc-password', 'data': {'password': 'str'} }
2311 # This command is multiple commands multiplexed together.
2313 # @device: This is normally the name of a block device but it may also be 'vnc'.
2314 # when it's 'vnc', then sub command depends on @target
2316 # @target: If @device is a block device, then this is the new filename.
2317 # If @device is 'vnc', then if the value 'password' selects the vnc
2318 # change password command. Otherwise, this specifies a new server URI
2319 # address to listen to for VNC connections.
2321 # @arg: If @device is a block device, then this is an optional format to open
2323 # If @device is 'vnc' and @target is 'password', this is the new VNC
2324 # password to set. If this argument is an empty string, then no future
2325 # logins will be allowed.
2327 # Returns: Nothing on success.
2328 # If @device is not a valid block device, DeviceNotFound
2329 # If the new block device is encrypted, DeviceEncrypted. Note that
2330 # if this error is returned, the device has been opened successfully
2331 # and an additional call to @block_passwd is required to set the
2332 # device's password. The behavior of reads and writes to the block
2333 # device between when these calls are executed is undefined.
2335 # Notes: It is strongly recommended that this interface is not used especially
2336 # for changing block devices.
2340 { 'command': 'change',
2341 'data': {'device': 'str', 'target': 'str', '*arg': 'str'} }
2344 # @block_set_io_throttle:
2346 # Change I/O throttle limits for a block drive.
2348 # @device: The name of the device
2350 # @bps: total throughput limit in bytes per second
2352 # @bps_rd: read throughput limit in bytes per second
2354 # @bps_wr: write throughput limit in bytes per second
2356 # @iops: total I/O operations per second
2358 # @ops_rd: read I/O operations per second
2360 # @iops_wr: write I/O operations per second
2362 # @bps_max: #optional total max in bytes (Since 1.7)
2364 # @bps_rd_max: #optional read max in bytes (Since 1.7)
2366 # @bps_wr_max: #optional write max in bytes (Since 1.7)
2368 # @iops_max: #optional total I/O operations max (Since 1.7)
2370 # @iops_rd_max: #optional read I/O operations max (Since 1.7)
2372 # @iops_wr_max: #optional write I/O operations max (Since 1.7)
2374 # @iops_size: #optional an I/O size in bytes (Since 1.7)
2376 # Returns: Nothing on success
2377 # If @device is not a valid block device, DeviceNotFound
2381 { 'command': 'block_set_io_throttle',
2382 'data': { 'device': 'str', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
2383 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int',
2384 '*bps_max': 'int', '*bps_rd_max': 'int',
2385 '*bps_wr_max': 'int', '*iops_max': 'int',
2386 '*iops_rd_max': 'int', '*iops_wr_max': 'int',
2387 '*iops_size': 'int' } }
2392 # Copy data from a backing file into a block device.
2394 # The block streaming operation is performed in the background until the entire
2395 # backing file has been copied. This command returns immediately once streaming
2396 # has started. The status of ongoing block streaming operations can be checked
2397 # with query-block-jobs. The operation can be stopped before it has completed
2398 # using the block-job-cancel command.
2400 # If a base file is specified then sectors are not copied from that base file and
2401 # its backing chain. When streaming completes the image file will have the base
2402 # file as its backing file. This can be used to stream a subset of the backing
2403 # file chain instead of flattening the entire image.
2405 # On successful completion the image file is updated to drop the backing file
2406 # and the BLOCK_JOB_COMPLETED event is emitted.
2408 # @device: the device name
2410 # @base: #optional the common backing file name
2412 # @speed: #optional the maximum speed, in bytes per second
2414 # @on-error: #optional the action to take on an error (default report).
2415 # 'stop' and 'enospc' can only be used if the block device
2416 # supports io-status (see BlockInfo). Since 1.3.
2418 # Returns: Nothing on success
2419 # If @device does not exist, DeviceNotFound
2423 { 'command': 'block-stream',
2424 'data': { 'device': 'str', '*base': 'str', '*speed': 'int',
2425 '*on-error': 'BlockdevOnError' } }
2428 # @block-job-set-speed:
2430 # Set maximum speed for a background block operation.
2432 # This command can only be issued when there is an active block job.
2434 # Throttling can be disabled by setting the speed to 0.
2436 # @device: the device name
2438 # @speed: the maximum speed, in bytes per second, or 0 for unlimited.
2441 # Returns: Nothing on success
2442 # If no background operation is active on this device, DeviceNotActive
2446 { 'command': 'block-job-set-speed',
2447 'data': { 'device': 'str', 'speed': 'int' } }
2450 # @block-job-cancel:
2452 # Stop an active background block operation.
2454 # This command returns immediately after marking the active background block
2455 # operation for cancellation. It is an error to call this command if no
2456 # operation is in progress.
2458 # The operation will cancel as soon as possible and then emit the
2459 # BLOCK_JOB_CANCELLED event. Before that happens the job is still visible when
2460 # enumerated using query-block-jobs.
2462 # For streaming, the image file retains its backing file unless the streaming
2463 # operation happens to complete just as it is being cancelled. A new streaming
2464 # operation can be started at a later time to finish copying all data from the
2467 # @device: the device name
2469 # @force: #optional whether to allow cancellation of a paused job (default
2470 # false). Since 1.3.
2472 # Returns: Nothing on success
2473 # If no background operation is active on this device, DeviceNotActive
2477 { 'command': 'block-job-cancel', 'data': { 'device': 'str', '*force': 'bool' } }
2482 # Pause an active background block operation.
2484 # This command returns immediately after marking the active background block
2485 # operation for pausing. It is an error to call this command if no
2486 # operation is in progress. Pausing an already paused job has no cumulative
2487 # effect; a single block-job-resume command will resume the job.
2489 # The operation will pause as soon as possible. No event is emitted when
2490 # the operation is actually paused. Cancelling a paused job automatically
2493 # @device: the device name
2495 # Returns: Nothing on success
2496 # If no background operation is active on this device, DeviceNotActive
2500 { 'command': 'block-job-pause', 'data': { 'device': 'str' } }
2503 # @block-job-resume:
2505 # Resume an active background block operation.
2507 # This command returns immediately after resuming a paused background block
2508 # operation. It is an error to call this command if no operation is in
2509 # progress. Resuming an already running job is not an error.
2511 # This command also clears the error status of the job.
2513 # @device: the device name
2515 # Returns: Nothing on success
2516 # If no background operation is active on this device, DeviceNotActive
2520 { 'command': 'block-job-resume', 'data': { 'device': 'str' } }
2523 # @block-job-complete:
2525 # Manually trigger completion of an active background block operation. This
2526 # is supported for drive mirroring, where it also switches the device to
2527 # write to the target path only. The ability to complete is signaled with
2528 # a BLOCK_JOB_READY event.
2530 # This command completes an active background block operation synchronously.
2531 # The ordering of this command's return with the BLOCK_JOB_COMPLETED event
2532 # is not defined. Note that if an I/O error occurs during the processing of
2533 # this command: 1) the command itself will fail; 2) the error will be processed
2534 # according to the rerror/werror arguments that were specified when starting
2537 # A cancelled or paused job cannot be completed.
2539 # @device: the device name
2541 # Returns: Nothing on success
2542 # If no background operation is active on this device, DeviceNotActive
2546 { 'command': 'block-job-complete', 'data': { 'device': 'str' } }
2551 # This structure describes a search result from @qom-list-types
2553 # @name: the type name found in the search
2557 # Notes: This command is experimental and may change syntax in future releases.
2559 { 'type': 'ObjectTypeInfo',
2560 'data': { 'name': 'str' } }
2565 # This command will return a list of types given search parameters
2567 # @implements: if specified, only return types that implement this type name
2569 # @abstract: if true, include abstract types in the results
2571 # Returns: a list of @ObjectTypeInfo or an empty list if no results are found
2575 { 'command': 'qom-list-types',
2576 'data': { '*implements': 'str', '*abstract': 'bool' },
2577 'returns': [ 'ObjectTypeInfo' ] }
2580 # @DevicePropertyInfo:
2582 # Information about device properties.
2584 # @name: the name of the property
2585 # @type: the typename of the property
2589 { 'type': 'DevicePropertyInfo',
2590 'data': { 'name': 'str', 'type': 'str' } }
2593 # @device-list-properties:
2595 # List properties associated with a device.
2597 # @typename: the type name of a device
2599 # Returns: a list of DevicePropertyInfo describing a devices properties
2603 { 'command': 'device-list-properties',
2604 'data': { 'typename': 'str'},
2605 'returns': [ 'DevicePropertyInfo' ] }
2610 # Migrates the current running guest to another Virtual Machine.
2612 # @uri: the Uniform Resource Identifier of the destination VM
2614 # @blk: #optional do block migration (full disk copy)
2616 # @inc: #optional incremental disk copy migration
2618 # @detach: this argument exists only for compatibility reasons and
2619 # is ignored by QEMU
2621 # Returns: nothing on success
2625 { 'command': 'migrate',
2626 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool', '*detach': 'bool' } }
2628 # @xen-save-devices-state:
2630 # Save the state of all devices to file. The RAM and the block devices
2631 # of the VM are not saved by this command.
2633 # @filename: the file to save the state of the devices to as binary
2634 # data. See xen-save-devices-state.txt for a description of the binary
2637 # Returns: Nothing on success
2641 { 'command': 'xen-save-devices-state', 'data': {'filename': 'str'} }
2644 # @xen-set-global-dirty-log
2646 # Enable or disable the global dirty log mode.
2648 # @enable: true to enable, false to disable.
2654 { 'command': 'xen-set-global-dirty-log', 'data': { 'enable': 'bool' } }
2659 # Remove a device from a guest
2661 # @id: the name of the device
2663 # Returns: Nothing on success
2664 # If @id is not a valid device, DeviceNotFound
2666 # Notes: When this command completes, the device may not be removed from the
2667 # guest. Hot removal is an operation that requires guest cooperation.
2668 # This command merely requests that the guest begin the hot removal
2669 # process. Completion of the device removal process is signaled with a
2670 # DEVICE_DELETED event. Guest reset will automatically complete removal
2675 { 'command': 'device_del', 'data': {'id': 'str'} }
2678 # @dump-guest-memory
2680 # Dump guest's memory to vmcore. It is a synchronous operation that can take
2681 # very long depending on the amount of guest memory. This command is only
2682 # supported on i386 and x86_64.
2684 # @paging: if true, do paging to get guest's memory mapping. This allows
2685 # using gdb to process the core file.
2687 # IMPORTANT: this option can make QEMU allocate several gigabytes
2688 # of RAM. This can happen for a large guest, or a
2689 # malicious guest pretending to be large.
2691 # Also, paging=true has the following limitations:
2693 # 1. The guest may be in a catastrophic state or can have corrupted
2694 # memory, which cannot be trusted
2695 # 2. The guest can be in real-mode even if paging is enabled. For
2696 # example, the guest uses ACPI to sleep, and ACPI sleep state
2699 # @protocol: the filename or file descriptor of the vmcore. The supported
2702 # 1. file: the protocol starts with "file:", and the following
2703 # string is the file's path.
2704 # 2. fd: the protocol starts with "fd:", and the following string
2707 # @begin: #optional if specified, the starting physical address.
2709 # @length: #optional if specified, the memory size, in bytes. If you don't
2710 # want to dump all guest's memory, please specify the start @begin
2713 # Returns: nothing on success
2717 { 'command': 'dump-guest-memory',
2718 'data': { 'paging': 'bool', 'protocol': 'str', '*begin': 'int',
2719 '*length': 'int' } }
2724 # Add a network backend.
2726 # @type: the type of network backend. Current valid values are 'user', 'tap',
2727 # 'vde', 'socket', 'dump' and 'bridge'
2729 # @id: the name of the new network backend
2731 # @props: #optional a list of properties to be passed to the backend in
2732 # the format 'name=value', like 'ifname=tap0,script=no'
2734 # Notes: The semantics of @props is not well defined. Future commands will be
2735 # introduced that provide stronger typing for backend creation.
2739 # Returns: Nothing on success
2740 # If @type is not a valid network backend, DeviceNotFound
2742 { 'command': 'netdev_add',
2743 'data': {'type': 'str', 'id': 'str', '*props': '**'},
2749 # Remove a network backend.
2751 # @id: the name of the network backend to remove
2753 # Returns: Nothing on success
2754 # If @id is not a valid network backend, DeviceNotFound
2758 { 'command': 'netdev_del', 'data': {'id': 'str'} }
2761 # @NetdevNoneOptions
2763 # Use it alone to have zero network devices.
2767 { 'type': 'NetdevNoneOptions',
2771 # @NetLegacyNicOptions
2773 # Create a new Network Interface Card.
2775 # @netdev: #optional id of -netdev to connect to
2777 # @macaddr: #optional MAC address
2779 # @model: #optional device model (e1000, rtl8139, virtio etc.)
2781 # @addr: #optional PCI device address
2783 # @vectors: #optional number of MSI-x vectors, 0 to disable MSI-X
2787 { 'type': 'NetLegacyNicOptions',
2793 '*vectors': 'uint32' } }
2798 # A fat type wrapping 'str', to be embedded in lists.
2807 # @NetdevUserOptions
2809 # Use the user mode network stack which requires no administrator privilege to
2812 # @hostname: #optional client hostname reported by the builtin DHCP server
2814 # @restrict: #optional isolate the guest from the host
2816 # @ip: #optional legacy parameter, use net= instead
2818 # @net: #optional IP address and optional netmask
2820 # @host: #optional guest-visible address of the host
2822 # @tftp: #optional root directory of the built-in TFTP server
2824 # @bootfile: #optional BOOTP filename, for use with tftp=
2826 # @dhcpstart: #optional the first of the 16 IPs the built-in DHCP server can
2829 # @dns: #optional guest-visible address of the virtual nameserver
2831 # @dnssearch: #optional list of DNS suffixes to search, passed as DHCP option
2834 # @smb: #optional root directory of the built-in SMB server
2836 # @smbserver: #optional IP address of the built-in SMB server
2838 # @hostfwd: #optional redirect incoming TCP or UDP host connections to guest
2841 # @guestfwd: #optional forward guest TCP connections
2845 { 'type': 'NetdevUserOptions',
2848 '*restrict': 'bool',
2854 '*dhcpstart': 'str',
2856 '*dnssearch': ['String'],
2858 '*smbserver': 'str',
2859 '*hostfwd': ['String'],
2860 '*guestfwd': ['String'] } }
2865 # Connect the host TAP network interface name to the VLAN.
2867 # @ifname: #optional interface name
2869 # @fd: #optional file descriptor of an already opened tap
2871 # @fds: #optional multiple file descriptors of already opened multiqueue capable
2874 # @script: #optional script to initialize the interface
2876 # @downscript: #optional script to shut down the interface
2878 # @helper: #optional command to execute to configure bridge
2880 # @sndbuf: #optional send buffer limit. Understands [TGMKkb] suffixes.
2882 # @vnet_hdr: #optional enable the IFF_VNET_HDR flag on the tap interface
2884 # @vhost: #optional enable vhost-net network accelerator
2886 # @vhostfd: #optional file descriptor of an already opened vhost net device
2888 # @vhostfds: #optional file descriptors of multiple already opened vhost net
2891 # @vhostforce: #optional vhost on for non-MSIX virtio guests
2893 # @queues: #optional number of queues to be created for multiqueue capable tap
2897 { 'type': 'NetdevTapOptions',
2903 '*downscript': 'str',
2906 '*vnet_hdr': 'bool',
2910 '*vhostforce': 'bool',
2911 '*queues': 'uint32'} }
2914 # @NetdevSocketOptions
2916 # Connect the VLAN to a remote VLAN in another QEMU virtual machine using a TCP
2917 # socket connection.
2919 # @fd: #optional file descriptor of an already opened socket
2921 # @listen: #optional port number, and optional hostname, to listen on
2923 # @connect: #optional port number, and optional hostname, to connect to
2925 # @mcast: #optional UDP multicast address and port number
2927 # @localaddr: #optional source address and port for multicast and udp packets
2929 # @udp: #optional UDP unicast address and port number
2933 { 'type': 'NetdevSocketOptions',
2939 '*localaddr': 'str',
2945 # Connect the VLAN to a vde switch running on the host.
2947 # @sock: #optional socket path
2949 # @port: #optional port number
2951 # @group: #optional group owner of socket
2953 # @mode: #optional permissions for socket
2957 { 'type': 'NetdevVdeOptions',
2962 '*mode': 'uint16' } }
2965 # @NetdevDumpOptions
2967 # Dump VLAN network traffic to a file.
2969 # @len: #optional per-packet size limit (64k default). Understands [TGMKkb]
2972 # @file: #optional dump file path (default is qemu-vlan0.pcap)
2976 { 'type': 'NetdevDumpOptions',
2982 # @NetdevBridgeOptions
2984 # Connect a host TAP network interface to a host bridge device.
2986 # @br: #optional bridge name
2988 # @helper: #optional command to execute to configure bridge
2992 { 'type': 'NetdevBridgeOptions',
2995 '*helper': 'str' } }
2998 # @NetdevHubPortOptions
3000 # Connect two or more net clients through a software hub.
3002 # @hubid: hub identifier number
3006 { 'type': 'NetdevHubPortOptions',
3008 'hubid': 'int32' } }
3013 # A discriminated record of network device traits.
3017 { 'union': 'NetClientOptions',
3019 'none': 'NetdevNoneOptions',
3020 'nic': 'NetLegacyNicOptions',
3021 'user': 'NetdevUserOptions',
3022 'tap': 'NetdevTapOptions',
3023 'socket': 'NetdevSocketOptions',
3024 'vde': 'NetdevVdeOptions',
3025 'dump': 'NetdevDumpOptions',
3026 'bridge': 'NetdevBridgeOptions',
3027 'hubport': 'NetdevHubPortOptions' } }
3032 # Captures the configuration of a network device; legacy.
3034 # @vlan: #optional vlan number
3036 # @id: #optional identifier for monitor commands
3038 # @name: #optional identifier for monitor commands, ignored if @id is present
3040 # @opts: device type specific properties (legacy)
3044 { 'type': 'NetLegacy',
3049 'opts': 'NetClientOptions' } }
3054 # Captures the configuration of a network device.
3056 # @id: identifier for monitor commands.
3058 # @opts: device type specific properties
3065 'opts': 'NetClientOptions' } }
3068 # @InetSocketAddress
3070 # Captures a socket address or address range in the Internet namespace.
3072 # @host: host part of the address
3074 # @port: port part of the address, or lowest port if @to is present
3076 # @to: highest port to try
3078 # @ipv4: whether to accept IPv4 addresses, default try both IPv4 and IPv6
3081 # @ipv6: whether to accept IPv6 addresses, default try both IPv4 and IPv6
3086 { 'type': 'InetSocketAddress',
3095 # @UnixSocketAddress
3097 # Captures a socket address in the local ("Unix socket") namespace.
3099 # @path: filesystem path to use
3103 { 'type': 'UnixSocketAddress',
3110 # Captures the address of a socket, which could also be a named file descriptor
3114 { 'union': 'SocketAddress',
3116 'inet': 'InetSocketAddress',
3117 'unix': 'UnixSocketAddress',
3123 # Receive a file descriptor via SCM rights and assign it a name
3125 # @fdname: file descriptor name
3127 # Returns: Nothing on success
3131 # Notes: If @fdname already exists, the file descriptor assigned to
3132 # it will be closed and replaced by the received file
3134 # The 'closefd' command can be used to explicitly close the
3135 # file descriptor when it is no longer needed.
3137 { 'command': 'getfd', 'data': {'fdname': 'str'} }
3142 # Close a file descriptor previously passed via SCM rights
3144 # @fdname: file descriptor name
3146 # Returns: Nothing on success
3150 { 'command': 'closefd', 'data': {'fdname': 'str'} }
3155 # Information describing a machine.
3157 # @name: the name of the machine
3159 # @alias: #optional an alias for the machine name
3161 # @default: #optional whether the machine is default
3163 # @cpu-max: maximum number of CPUs supported by the machine type
3168 { 'type': 'MachineInfo',
3169 'data': { 'name': 'str', '*alias': 'str',
3170 '*is-default': 'bool', 'cpu-max': 'int' } }
3175 # Return a list of supported machines
3177 # Returns: a list of MachineInfo
3181 { 'command': 'query-machines', 'returns': ['MachineInfo'] }
3184 # @CpuDefinitionInfo:
3186 # Virtual CPU definition.
3188 # @name: the name of the CPU definition
3192 { 'type': 'CpuDefinitionInfo',
3193 'data': { 'name': 'str' } }
3196 # @query-cpu-definitions:
3198 # Return a list of supported virtual CPU definitions
3200 # Returns: a list of CpuDefInfo
3204 { 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'] }
3208 # Information about a file descriptor that was added to an fd set.
3210 # @fdset-id: The ID of the fd set that @fd was added to.
3212 # @fd: The file descriptor that was received via SCM rights and
3213 # added to the fd set.
3217 { 'type': 'AddfdInfo', 'data': {'fdset-id': 'int', 'fd': 'int'} }
3222 # Add a file descriptor, that was passed via SCM rights, to an fd set.
3224 # @fdset-id: #optional The ID of the fd set to add the file descriptor to.
3226 # @opaque: #optional A free-form string that can be used to describe the fd.
3228 # Returns: @AddfdInfo on success
3229 # If file descriptor was not received, FdNotSupplied
3230 # If @fdset-id is a negative value, InvalidParameterValue
3232 # Notes: The list of fd sets is shared by all monitor connections.
3234 # If @fdset-id is not specified, a new fd set will be created.
3238 { 'command': 'add-fd', 'data': {'*fdset-id': 'int', '*opaque': 'str'},
3239 'returns': 'AddfdInfo' }
3244 # Remove a file descriptor from an fd set.
3246 # @fdset-id: The ID of the fd set that the file descriptor belongs to.
3248 # @fd: #optional The file descriptor that is to be removed.
3250 # Returns: Nothing on success
3251 # If @fdset-id or @fd is not found, FdNotFound
3255 # Notes: The list of fd sets is shared by all monitor connections.
3257 # If @fd is not specified, all file descriptors in @fdset-id
3260 { 'command': 'remove-fd', 'data': {'fdset-id': 'int', '*fd': 'int'} }
3265 # Information about a file descriptor that belongs to an fd set.
3267 # @fd: The file descriptor value.
3269 # @opaque: #optional A free-form string that can be used to describe the fd.
3273 { 'type': 'FdsetFdInfo',
3274 'data': {'fd': 'int', '*opaque': 'str'} }
3279 # Information about an fd set.
3281 # @fdset-id: The ID of the fd set.
3283 # @fds: A list of file descriptors that belong to this fd set.
3287 { 'type': 'FdsetInfo',
3288 'data': {'fdset-id': 'int', 'fds': ['FdsetFdInfo']} }
3293 # Return information describing all fd sets.
3295 # Returns: A list of @FdsetInfo
3299 # Note: The list of fd sets is shared by all monitor connections.
3302 { 'command': 'query-fdsets', 'returns': ['FdsetInfo'] }
3307 # Information describing the QEMU target.
3309 # @arch: the target architecture (eg "x86_64", "i386", etc)
3313 { 'type': 'TargetInfo',
3314 'data': { 'arch': 'str' } }
3319 # Return information about the target for this QEMU
3321 # Returns: TargetInfo
3325 { 'command': 'query-target', 'returns': 'TargetInfo' }
3330 # An enumeration of key name.
3332 # This is used by the send-key command.
3336 { 'enum': 'QKeyCode',
3337 'data': [ 'shift', 'shift_r', 'alt', 'alt_r', 'altgr', 'altgr_r', 'ctrl',
3338 'ctrl_r', 'menu', 'esc', '1', '2', '3', '4', '5', '6', '7', '8',
3339 '9', '0', 'minus', 'equal', 'backspace', 'tab', 'q', 'w', 'e',
3340 'r', 't', 'y', 'u', 'i', 'o', 'p', 'bracket_left', 'bracket_right',
3341 'ret', 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'semicolon',
3342 'apostrophe', 'grave_accent', 'backslash', 'z', 'x', 'c', 'v', 'b',
3343 'n', 'm', 'comma', 'dot', 'slash', 'asterisk', 'spc', 'caps_lock',
3344 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10',
3345 'num_lock', 'scroll_lock', 'kp_divide', 'kp_multiply',
3346 'kp_subtract', 'kp_add', 'kp_enter', 'kp_decimal', 'sysrq', 'kp_0',
3347 'kp_1', 'kp_2', 'kp_3', 'kp_4', 'kp_5', 'kp_6', 'kp_7', 'kp_8',
3348 'kp_9', 'less', 'f11', 'f12', 'print', 'home', 'pgup', 'pgdn', 'end',
3349 'left', 'up', 'down', 'right', 'insert', 'delete', 'stop', 'again',
3350 'props', 'undo', 'front', 'copy', 'open', 'paste', 'find', 'cut',
3351 'lf', 'help', 'meta_l', 'meta_r', 'compose' ] }
3356 # Represents a keyboard key.
3360 { 'union': 'KeyValue',
3363 'qcode': 'QKeyCode' } }
3368 # Send keys to guest.
3370 # @keys: An array of @KeyValue elements. All @KeyValues in this array are
3371 # simultaneously sent to the guest. A @KeyValue.number value is sent
3372 # directly to the guest, while @KeyValue.qcode must be a valid
3375 # @hold-time: #optional time to delay key up events, milliseconds. Defaults
3378 # Returns: Nothing on success
3379 # If key is unknown or redundant, InvalidParameter
3384 { 'command': 'send-key',
3385 'data': { 'keys': ['KeyValue'], '*hold-time': 'int' } }
3390 # Write a PPM of the VGA screen to a file.
3392 # @filename: the path of a new PPM file to store the image
3394 # Returns: Nothing on success
3398 { 'command': 'screendump', 'data': {'filename': 'str'} }
3401 # @nbd-server-start:
3403 # Start an NBD server listening on the given host and port. Block
3404 # devices can then be exported using @nbd-server-add. The NBD
3405 # server will present them as named exports; for example, another
3406 # QEMU instance could refer to them as "nbd:HOST:PORT:exportname=NAME".
3408 # @addr: Address on which to listen.
3410 # Returns: error if the server is already running.
3414 { 'command': 'nbd-server-start',
3415 'data': { 'addr': 'SocketAddress' } }
3420 # Export a device to QEMU's embedded NBD server.
3422 # @device: Block device to be exported
3424 # @writable: Whether clients should be able to write to the device via the
3425 # NBD connection (default false). #optional
3427 # Returns: error if the device is already marked for export.
3431 { 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} }
3436 # Stop QEMU's embedded NBD server, and unregister all devices previously
3437 # added via @nbd-server-add.
3441 { 'command': 'nbd-server-stop' }
3446 # Configuration info for file chardevs.
3448 # @in: #optional The name of the input file
3449 # @out: The name of the output file
3453 { 'type': 'ChardevFile', 'data': { '*in' : 'str',
3459 # Configuration info for device and pipe chardevs.
3461 # @device: The name of the special file for the device,
3462 # i.e. /dev/ttyS0 on Unix or COM1: on Windows
3463 # @type: What kind of device this is.
3467 { 'type': 'ChardevHostdev', 'data': { 'device' : 'str' } }
3472 # Configuration info for (stream) socket chardevs.
3474 # @addr: socket address to listen on (server=true)
3475 # or connect to (server=false)
3476 # @server: #optional create server socket (default: true)
3477 # @wait: #optional wait for incoming connection on server
3478 # sockets (default: false).
3479 # @nodelay: #optional set TCP_NODELAY socket option (default: false)
3480 # @telnet: #optional enable telnet protocol on server
3481 # sockets (default: false)
3485 { 'type': 'ChardevSocket', 'data': { 'addr' : 'SocketAddress',
3488 '*nodelay' : 'bool',
3489 '*telnet' : 'bool' } }
3494 # Configuration info for datagram socket chardevs.
3496 # @remote: remote address
3497 # @local: #optional local address
3501 { 'type': 'ChardevUdp', 'data': { 'remote' : 'SocketAddress',
3502 '*local' : 'SocketAddress' } }
3507 # Configuration info for mux chardevs.
3509 # @chardev: name of the base chardev.
3513 { 'type': 'ChardevMux', 'data': { 'chardev' : 'str' } }
3518 # Configuration info for stdio chardevs.
3520 # @signal: #optional Allow signals (such as SIGINT triggered by ^C)
3521 # be delivered to qemu. Default: true in -nographic mode,
3526 { 'type': 'ChardevStdio', 'data': { '*signal' : 'bool' } }
3529 # @ChardevSpiceChannel:
3531 # Configuration info for spice vm channel chardevs.
3533 # @type: kind of channel (for example vdagent).
3537 { 'type': 'ChardevSpiceChannel', 'data': { 'type' : 'str' } }
3540 # @ChardevSpicePort:
3542 # Configuration info for spice port chardevs.
3544 # @fqdn: name of the channel (see docs/spice-port-fqdn.txt)
3548 { 'type': 'ChardevSpicePort', 'data': { 'fqdn' : 'str' } }
3553 # Configuration info for virtual console chardevs.
3555 # @width: console width, in pixels
3556 # @height: console height, in pixels
3557 # @cols: console width, in chars
3558 # @rows: console height, in chars
3562 { 'type': 'ChardevVC', 'data': { '*width' : 'int',
3570 # Configuration info for ring buffer chardevs.
3572 # @size: #optional ring buffer size, must be power of two, default is 65536
3576 { 'type': 'ChardevRingbuf', 'data': { '*size' : 'int' } }
3581 # Configuration info for the new chardev backend.
3585 { 'type': 'ChardevDummy', 'data': { } }
3587 { 'union': 'ChardevBackend', 'data': { 'file' : 'ChardevFile',
3588 'serial' : 'ChardevHostdev',
3589 'parallel': 'ChardevHostdev',
3590 'pipe' : 'ChardevHostdev',
3591 'socket' : 'ChardevSocket',
3592 'udp' : 'ChardevUdp',
3593 'pty' : 'ChardevDummy',
3594 'null' : 'ChardevDummy',
3595 'mux' : 'ChardevMux',
3596 'msmouse': 'ChardevDummy',
3597 'braille': 'ChardevDummy',
3598 'stdio' : 'ChardevStdio',
3599 'console': 'ChardevDummy',
3600 'spicevmc' : 'ChardevSpiceChannel',
3601 'spiceport' : 'ChardevSpicePort',
3603 'ringbuf': 'ChardevRingbuf',
3604 # next one is just for compatibility
3605 'memory' : 'ChardevRingbuf' } }
3610 # Return info about the chardev backend just created.
3612 # @pty: #optional name of the slave pseudoterminal device, present if
3613 # and only if a chardev of type 'pty' was created
3617 { 'type' : 'ChardevReturn', 'data': { '*pty' : 'str' } }
3622 # Add a character device backend
3624 # @id: the chardev's ID, must be unique
3625 # @backend: backend type and parameters
3627 # Returns: ChardevReturn.
3631 { 'command': 'chardev-add', 'data': {'id' : 'str',
3632 'backend' : 'ChardevBackend' },
3633 'returns': 'ChardevReturn' }
3638 # Remove a character device backend
3640 # @id: the chardev's ID, must exist and not be in use
3642 # Returns: Nothing on success
3646 { 'command': 'chardev-remove', 'data': {'id': 'str'} }
3651 # An enumeration of TPM models
3653 # @tpm-tis: TPM TIS model
3657 { 'enum': 'TpmModel', 'data': [ 'tpm-tis' ] }
3660 # @query-tpm-models:
3662 # Return a list of supported TPM models
3664 # Returns: a list of TpmModel
3668 { 'command': 'query-tpm-models', 'returns': ['TpmModel'] }
3673 # An enumeration of TPM types
3675 # @passthrough: TPM passthrough type
3679 { 'enum': 'TpmType', 'data': [ 'passthrough' ] }
3684 # Return a list of supported TPM types
3686 # Returns: a list of TpmType
3690 { 'command': 'query-tpm-types', 'returns': ['TpmType'] }
3693 # @TPMPassthroughOptions:
3695 # Information about the TPM passthrough type
3697 # @path: #optional string describing the path used for accessing the TPM device
3699 # @cancel-path: #optional string showing the TPM's sysfs cancel file
3700 # for cancellation of TPM commands while they are executing
3704 { 'type': 'TPMPassthroughOptions', 'data': { '*path' : 'str',
3705 '*cancel-path' : 'str'} }
3710 # A union referencing different TPM backend types' configuration options
3712 # @passthrough: The configuration options for the TPM passthrough type
3716 { 'union': 'TpmTypeOptions',
3717 'data': { 'passthrough' : 'TPMPassthroughOptions' } }
3722 # Information about the TPM
3724 # @id: The Id of the TPM
3726 # @model: The TPM frontend model
3728 # @options: The TPM (backend) type configuration options
3732 { 'type': 'TPMInfo',
3733 'data': {'id': 'str',
3734 'model': 'TpmModel',
3735 'options': 'TpmTypeOptions' } }
3740 # Return information about the TPM device
3742 # Returns: @TPMInfo on success
3746 { 'command': 'query-tpm', 'returns': ['TPMInfo'] }
3751 # Specify an ACPI table on the command line to load.
3753 # At most one of @file and @data can be specified. The list of files specified
3754 # by any one of them is loaded and concatenated in order. If both are omitted,
3757 # Other fields / optargs can be used to override fields of the generic ACPI
3758 # table header; refer to the ACPI specification 5.0, section 5.2.6 System
3759 # Description Table Header. If a header field is not overridden, then the
3760 # corresponding value from the concatenated blob is used (in case of @file), or
3761 # it is filled in with a hard-coded value (in case of @data).
3763 # String fields are copied into the matching ACPI member from lowest address
3764 # upwards, and silently truncated / NUL-padded to length.
3766 # @sig: #optional table signature / identifier (4 bytes)
3768 # @rev: #optional table revision number (dependent on signature, 1 byte)
3770 # @oem_id: #optional OEM identifier (6 bytes)
3772 # @oem_table_id: #optional OEM table identifier (8 bytes)
3774 # @oem_rev: #optional OEM-supplied revision number (4 bytes)
3776 # @asl_compiler_id: #optional identifier of the utility that created the table
3779 # @asl_compiler_rev: #optional revision number of the utility that created the
3782 # @file: #optional colon (:) separated list of pathnames to load and
3783 # concatenate as table data. The resultant binary blob is expected to
3784 # have an ACPI table header. At least one file is required. This field
3787 # @data: #optional colon (:) separated list of pathnames to load and
3788 # concatenate as table data. The resultant binary blob must not have an
3789 # ACPI table header. At least one file is required. This field excludes
3794 { 'type': 'AcpiTableOptions',
3799 '*oem_table_id': 'str',
3800 '*oem_rev': 'uint32',
3801 '*asl_compiler_id': 'str',
3802 '*asl_compiler_rev': 'uint32',
3807 # @CommandLineParameterType:
3809 # Possible types for an option parameter.
3811 # @string: accepts a character string
3813 # @boolean: accepts "on" or "off"
3815 # @number: accepts a number
3817 # @size: accepts a number followed by an optional suffix (K)ilo,
3818 # (M)ega, (G)iga, (T)era
3822 { 'enum': 'CommandLineParameterType',
3823 'data': ['string', 'boolean', 'number', 'size'] }
3826 # @CommandLineParameterInfo:
3828 # Details about a single parameter of a command line option.
3830 # @name: parameter name
3832 # @type: parameter @CommandLineParameterType
3834 # @help: #optional human readable text string, not suitable for parsing.
3838 { 'type': 'CommandLineParameterInfo',
3839 'data': { 'name': 'str',
3840 'type': 'CommandLineParameterType',
3844 # @CommandLineOptionInfo:
3846 # Details about a command line option, including its list of parameter details
3848 # @option: option name
3850 # @parameters: an array of @CommandLineParameterInfo
3854 { 'type': 'CommandLineOptionInfo',
3855 'data': { 'option': 'str', 'parameters': ['CommandLineParameterInfo'] } }
3858 # @query-command-line-options:
3860 # Query command line option schema.
3862 # @option: #optional option name
3864 # Returns: list of @CommandLineOptionInfo for all options (or for the given
3865 # @option). Returns an error if the given @option doesn't exist.
3869 {'command': 'query-command-line-options', 'data': { '*option': 'str' },
3870 'returns': ['CommandLineOptionInfo'] }
3875 # A X86 32-bit register
3879 { 'enum': 'X86CPURegister32',
3880 'data': [ 'EAX', 'EBX', 'ECX', 'EDX', 'ESP', 'EBP', 'ESI', 'EDI' ] }
3883 # @X86CPUFeatureWordInfo
3885 # Information about a X86 CPU feature word
3887 # @cpuid-input-eax: Input EAX value for CPUID instruction for that feature word
3889 # @cpuid-input-ecx: #optional Input ECX value for CPUID instruction for that
3892 # @cpuid-register: Output register containing the feature bits
3894 # @features: value of output register, containing the feature bits
3898 { 'type': 'X86CPUFeatureWordInfo',
3899 'data': { 'cpuid-input-eax': 'int',
3900 '*cpuid-input-ecx': 'int',
3901 'cpuid-register': 'X86CPURegister32',
3902 'features': 'int' } }
3907 # Packets receiving state
3909 # @normal: filter assigned packets according to the mac-table
3911 # @none: don't receive any assigned packet
3913 # @all: receive all assigned packets
3917 { 'enum': 'RxState', 'data': [ 'normal', 'none', 'all' ] }
3922 # Rx-filter information for a NIC.
3924 # @name: net client name
3926 # @promiscuous: whether promiscuous mode is enabled
3928 # @multicast: multicast receive state
3930 # @unicast: unicast receive state
3932 # @broadcast-allowed: whether to receive broadcast
3934 # @multicast-overflow: multicast table is overflowed or not
3936 # @unicast-overflow: unicast table is overflowed or not
3938 # @main-mac: the main macaddr string
3940 # @vlan-table: a list of active vlan id
3942 # @unicast-table: a list of unicast macaddr string
3944 # @multicast-table: a list of multicast macaddr string
3949 { 'type': 'RxFilterInfo',
3952 'promiscuous': 'bool',
3953 'multicast': 'RxState',
3954 'unicast': 'RxState',
3955 'broadcast-allowed': 'bool',
3956 'multicast-overflow': 'bool',
3957 'unicast-overflow': 'bool',
3959 'vlan-table': ['int'],
3960 'unicast-table': ['str'],
3961 'multicast-table': ['str'] }}
3966 # Return rx-filter information for all NICs (or for the given NIC).
3968 # @name: #optional net client name
3970 # Returns: list of @RxFilterInfo for all NICs (or for the given NIC).
3971 # Returns an error if the given @name doesn't exist, or given
3972 # NIC doesn't support rx-filter querying, or given net client
3977 { 'command': 'query-rx-filter', 'data': { '*name': 'str' },
3978 'returns': ['RxFilterInfo'] }
3982 # @BlockdevDiscardOptions
3984 # Determines how to handle discard requests.
3986 # @ignore: Ignore the request
3987 # @unmap: Forward as an unmap request
3991 { 'enum': 'BlockdevDiscardOptions',
3992 'data': [ 'ignore', 'unmap' ] }
3995 # @BlockdevAioOptions
3997 # Selects the AIO backend to handle I/O requests
3999 # @threads: Use qemu's thread pool
4000 # @native: Use native AIO backend (only Linux and Windows)
4004 { 'enum': 'BlockdevAioOptions',
4005 'data': [ 'threads', 'native' ] }
4008 # @BlockdevCacheOptions
4010 # Includes cache-related options for block devices
4012 # @writeback: #optional enables writeback mode for any caches (default: true)
4013 # @direct: #optional enables use of O_DIRECT (bypass the host page cache;
4015 # @no-flush: #optional ignore any flush requests for the device (default:
4020 { 'type': 'BlockdevCacheOptions',
4021 'data': { '*writeback': 'bool',
4023 '*no-flush': 'bool' } }
4026 # @BlockdevOptionsBase
4028 # Options that are available for all block devices, independent of the block
4031 # @driver: block driver name
4032 # @id: #optional id by which the new block device can be referred to.
4033 # This is a required option on the top level of blockdev-add, and
4034 # currently not allowed on any other level.
4035 # @discard: #optional discard-related options (default: ignore)
4036 # @cache: #optional cache-related options
4037 # @aio: #optional AIO backend (default: threads)
4038 # @rerror: #optional how to handle read errors on the device
4040 # @werror: #optional how to handle write errors on the device
4042 # @read-only: #optional whether the block device should be read-only
4047 { 'type': 'BlockdevOptionsBase',
4048 'data': { 'driver': 'str',
4050 '*discard': 'BlockdevDiscardOptions',
4051 '*cache': 'BlockdevCacheOptions',
4052 '*aio': 'BlockdevAioOptions',
4053 '*rerror': 'BlockdevOnError',
4054 '*werror': 'BlockdevOnError',
4055 '*read-only': 'bool' } }
4058 # @BlockdevOptionsFile
4060 # Driver specific block device options for the file backend and similar
4063 # @filename: path to the image file
4067 { 'type': 'BlockdevOptionsFile',
4068 'data': { 'filename': 'str' } }
4071 # @BlockdevOptionsVVFAT
4073 # Driver specific block device options for the vvfat protocol.
4075 # @dir: directory to be exported as FAT image
4076 # @fat-type: #optional FAT type: 12, 16 or 32
4077 # @floppy: #optional whether to export a floppy image (true) or
4078 # partitioned hard disk (false; default)
4079 # @rw: #optional whether to allow write operations (default: false)
4083 { 'type': 'BlockdevOptionsVVFAT',
4084 'data': { 'dir': 'str', '*fat-type': 'int', '*floppy': 'bool',
4088 # @BlockdevOptionsGenericFormat
4090 # Driver specific block device options for image format that have no option
4091 # besides their data source.
4093 # @file: reference to or definition of the data source block device
4097 { 'type': 'BlockdevOptionsGenericFormat',
4098 'data': { 'file': 'BlockdevRef' } }
4101 # @BlockdevOptionsGenericCOWFormat
4103 # Driver specific block device options for image format that have no option
4104 # besides their data source and an optional backing file.
4106 # @backing: #optional reference to or definition of the backing file block
4107 # device (if missing, taken from the image file content). It is
4108 # allowed to pass an empty string here in order to disable the
4109 # default backing file.
4113 { 'type': 'BlockdevOptionsGenericCOWFormat',
4114 'base': 'BlockdevOptionsGenericFormat',
4115 'data': { '*backing': 'BlockdevRef' } }
4118 # @BlockdevOptionsQcow2
4120 # Driver specific block device options for qcow2.
4122 # @lazy-refcounts: #optional whether to enable the lazy refcounts
4123 # feature (default is taken from the image file)
4125 # @pass-discard-request: #optional whether discard requests to the qcow2
4126 # device should be forwarded to the data source
4128 # @pass-discard-snapshot: #optional whether discard requests for the data source
4129 # should be issued when a snapshot operation (e.g.
4130 # deleting a snapshot) frees clusters in the qcow2 file
4132 # @pass-discard-other: #optional whether discard requests for the data source
4133 # should be issued on other occasions where a cluster
4138 { 'type': 'BlockdevOptionsQcow2',
4139 'base': 'BlockdevOptionsGenericCOWFormat',
4140 'data': { '*lazy-refcounts': 'bool',
4141 '*pass-discard-request': 'bool',
4142 '*pass-discard-snapshot': 'bool',
4143 '*pass-discard-other': 'bool' } }
4148 # Options for creating a block device.
4152 { 'union': 'BlockdevOptions',
4153 'base': 'BlockdevOptionsBase',
4154 'discriminator': 'driver',
4156 'file': 'BlockdevOptionsFile',
4157 'http': 'BlockdevOptionsFile',
4158 'https': 'BlockdevOptionsFile',
4159 'ftp': 'BlockdevOptionsFile',
4160 'ftps': 'BlockdevOptionsFile',
4161 'tftp': 'BlockdevOptionsFile',
4162 # TODO gluster: Wait for structured options
4163 # TODO iscsi: Wait for structured options
4164 # TODO nbd: Should take InetSocketAddress for 'host'?
4165 # TODO rbd: Wait for structured options
4166 # TODO sheepdog: Wait for structured options
4167 # TODO ssh: Should take InetSocketAddress for 'host'?
4168 'vvfat': 'BlockdevOptionsVVFAT',
4170 # TODO blkdebug: Wait for structured options
4171 # TODO blkverify: Wait for structured options
4173 'bochs': 'BlockdevOptionsGenericFormat',
4174 'cloop': 'BlockdevOptionsGenericFormat',
4175 'cow': 'BlockdevOptionsGenericCOWFormat',
4176 'dmg': 'BlockdevOptionsGenericFormat',
4177 'parallels': 'BlockdevOptionsGenericFormat',
4178 'qcow': 'BlockdevOptionsGenericCOWFormat',
4179 'qcow2': 'BlockdevOptionsQcow2',
4180 'qed': 'BlockdevOptionsGenericCOWFormat',
4181 'raw': 'BlockdevOptionsGenericFormat',
4182 'vdi': 'BlockdevOptionsGenericFormat',
4183 'vhdx': 'BlockdevOptionsGenericFormat',
4184 'vmdk': 'BlockdevOptionsGenericCOWFormat',
4185 'vpc': 'BlockdevOptionsGenericFormat'
4191 # Reference to a block device.
4193 # @definition: defines a new block device inline
4194 # @reference: references the ID of an existing block device. An
4195 # empty string means that no block device should be
4200 { 'union': 'BlockdevRef',
4201 'discriminator': {},
4202 'data': { 'definition': 'BlockdevOptions',
4203 'reference': 'str' } }
4208 # Creates a new block device.
4210 # @options: block device options for the new device
4214 { 'command': 'blockdev-add', 'data': { 'options': 'BlockdevOptions' } }