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1 # -*- Mode: Python -*-
2 #
3 # QAPI Schema
4
5 ##
6 # @ErrorClass
7 #
8 # QEMU error classes
9 #
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
12 #
13 # @CommandNotFound: the requested command has not been found
14 #
15 # @DeviceEncrypted: the requested operation can't be fulfilled because the
16 # selected device is encrypted
17 #
18 # @DeviceNotActive: a device has failed to be become active
19 #
20 # @DeviceNotFound: the requested device has not been found
21 #
22 # @KVMMissingCap: the requested operation can't be fulfilled because a
23 # required KVM capability is missing
24 #
25 # Since: 1.2
26 ##
27 { 'enum': 'ErrorClass',
28 'data': [ 'GenericError', 'CommandNotFound', 'DeviceEncrypted',
29 'DeviceNotActive', 'DeviceNotFound', 'KVMMissingCap' ] }
30
31 ##
32 # @add_client
33 #
34 # Allow client connections for VNC, Spice and socket based
35 # character devices to be passed in to QEMU via SCM_RIGHTS.
36 #
37 # @protocol: protocol name. Valid names are "vnc", "spice" or the
38 # name of a character device (eg. from -chardev id=XXXX)
39 #
40 # @fdname: file descriptor name previously passed via 'getfd' command
41 #
42 # @skipauth: #optional whether to skip authentication. Only applies
43 # to "vnc" and "spice" protocols
44 #
45 # @tls: #optional whether to perform TLS. Only applies to the "spice"
46 # protocol
47 #
48 # Returns: nothing on success.
49 #
50 # Since: 0.14.0
51 ##
52 { 'command': 'add_client',
53 'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool',
54 '*tls': 'bool' } }
55
56 ##
57 # @NameInfo:
58 #
59 # Guest name information.
60 #
61 # @name: #optional The name of the guest
62 #
63 # Since 0.14.0
64 ##
65 { 'type': 'NameInfo', 'data': {'*name': 'str'} }
66
67 ##
68 # @query-name:
69 #
70 # Return the name information of a guest.
71 #
72 # Returns: @NameInfo of the guest
73 #
74 # Since 0.14.0
75 ##
76 { 'command': 'query-name', 'returns': 'NameInfo' }
77
78 ##
79 # @VersionInfo:
80 #
81 # A description of QEMU's version.
82 #
83 # @qemu.major: The major version of QEMU
84 #
85 # @qemu.minor: The minor version of QEMU
86 #
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.
92 #
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.
97 #
98 # Since: 0.14.0
99 ##
100 { 'type': 'VersionInfo',
101 'data': {'qemu': {'major': 'int', 'minor': 'int', 'micro': 'int'},
102 'package': 'str'} }
103
104 ##
105 # @query-version:
106 #
107 # Returns the current version of QEMU.
108 #
109 # Returns: A @VersionInfo object describing the current version of QEMU.
110 #
111 # Since: 0.14.0
112 ##
113 { 'command': 'query-version', 'returns': 'VersionInfo' }
114
115 ##
116 # @KvmInfo:
117 #
118 # Information about support for KVM acceleration
119 #
120 # @enabled: true if KVM acceleration is active
121 #
122 # @present: true if KVM acceleration is built into this executable
123 #
124 # Since: 0.14.0
125 ##
126 { 'type': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }
127
128 ##
129 # @query-kvm:
130 #
131 # Returns information about KVM acceleration
132 #
133 # Returns: @KvmInfo
134 #
135 # Since: 0.14.0
136 ##
137 { 'command': 'query-kvm', 'returns': 'KvmInfo' }
138
139 ##
140 # @RunState
141 #
142 # An enumeration of VM run states.
143 #
144 # @debug: QEMU is running on a debugger
145 #
146 # @finish-migrate: guest is paused to finish the migration process
147 #
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
152 # started.
153 #
154 # @internal-error: An internal error that prevents further guest execution
155 # has occurred
156 #
157 # @io-error: the last IOP has failed and the device is configured to pause
158 # on I/O errors
159 #
160 # @paused: guest has been paused via the 'stop' command
161 #
162 # @postmigrate: guest is paused following a successful 'migrate'
163 #
164 # @prelaunch: QEMU was started with -S and guest has not started
165 #
166 # @restore-vm: guest is paused to restore VM state
167 #
168 # @running: guest is actively running
169 #
170 # @save-vm: guest is paused to save the VM state
171 #
172 # @shutdown: guest is shut down (and -no-shutdown is in use)
173 #
174 # @suspended: guest is suspended (ACPI S3)
175 #
176 # @watchdog: the watchdog action is configured to pause and has been triggered
177 ##
178 { 'enum': 'RunState',
179 'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
180 'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
181 'running', 'save-vm', 'shutdown', 'suspended', 'watchdog' ] }
182
183 ##
184 # @SnapshotInfo
185 #
186 # @id: unique snapshot id
187 #
188 # @name: user chosen name
189 #
190 # @vm-state-size: size of the VM state
191 #
192 # @date-sec: UTC date of the snapshot in seconds
193 #
194 # @date-nsec: fractional part in nano seconds to be used with date-sec
195 #
196 # @vm-clock-sec: VM clock relative to boot in seconds
197 #
198 # @vm-clock-nsec: fractional part in nano seconds to be used with vm-clock-sec
199 #
200 # Since: 1.3
201 #
202 ##
203
204 { 'type': 'SnapshotInfo',
205 'data': { 'id': 'str', 'name': 'str', 'vm-state-size': 'int',
206 'date-sec': 'int', 'date-nsec': 'int',
207 'vm-clock-sec': 'int', 'vm-clock-nsec': 'int' } }
208
209 ##
210 # @ImageInfo:
211 #
212 # Information about a QEMU image file
213 #
214 # @filename: name of the image file
215 #
216 # @format: format of the image file
217 #
218 # @virtual-size: maximum capacity in bytes of the image
219 #
220 # @actual-size: #optional actual size on disk in bytes of the image
221 #
222 # @dirty-flag: #optional true if image is not cleanly closed
223 #
224 # @cluster-size: #optional size of a cluster in bytes
225 #
226 # @encrypted: #optional true if the image is encrypted
227 #
228 # @backing-filename: #optional name of the backing file
229 #
230 # @full-backing-filename: #optional full path of the backing file
231 #
232 # @backing-filename-format: #optional the format of the backing file
233 #
234 # @snapshots: #optional list of VM snapshots
235 #
236 # Since: 1.3
237 #
238 ##
239
240 { 'type': 'ImageInfo',
241 'data': {'filename': 'str', 'format': 'str', '*dirty-flag': 'bool',
242 '*actual-size': 'int', 'virtual-size': 'int',
243 '*cluster-size': 'int', '*encrypted': 'bool',
244 '*backing-filename': 'str', '*full-backing-filename': 'str',
245 '*backing-filename-format': 'str', '*snapshots': ['SnapshotInfo'] } }
246
247 ##
248 # @StatusInfo:
249 #
250 # Information about VCPU run state
251 #
252 # @running: true if all VCPUs are runnable, false if not runnable
253 #
254 # @singlestep: true if VCPUs are in single-step mode
255 #
256 # @status: the virtual machine @RunState
257 #
258 # Since: 0.14.0
259 #
260 # Notes: @singlestep is enabled through the GDB stub
261 ##
262 { 'type': 'StatusInfo',
263 'data': {'running': 'bool', 'singlestep': 'bool', 'status': 'RunState'} }
264
265 ##
266 # @query-status:
267 #
268 # Query the run status of all VCPUs
269 #
270 # Returns: @StatusInfo reflecting all VCPUs
271 #
272 # Since: 0.14.0
273 ##
274 { 'command': 'query-status', 'returns': 'StatusInfo' }
275
276 ##
277 # @UuidInfo:
278 #
279 # Guest UUID information.
280 #
281 # @UUID: the UUID of the guest
282 #
283 # Since: 0.14.0
284 #
285 # Notes: If no UUID was specified for the guest, a null UUID is returned.
286 ##
287 { 'type': 'UuidInfo', 'data': {'UUID': 'str'} }
288
289 ##
290 # @query-uuid:
291 #
292 # Query the guest UUID information.
293 #
294 # Returns: The @UuidInfo for the guest
295 #
296 # Since 0.14.0
297 ##
298 { 'command': 'query-uuid', 'returns': 'UuidInfo' }
299
300 ##
301 # @ChardevInfo:
302 #
303 # Information about a character device.
304 #
305 # @label: the label of the character device
306 #
307 # @filename: the filename of the character device
308 #
309 # Notes: @filename is encoded using the QEMU command line character device
310 # encoding. See the QEMU man page for details.
311 #
312 # Since: 0.14.0
313 ##
314 { 'type': 'ChardevInfo', 'data': {'label': 'str', 'filename': 'str'} }
315
316 ##
317 # @query-chardev:
318 #
319 # Returns information about current character devices.
320 #
321 # Returns: a list of @ChardevInfo
322 #
323 # Since: 0.14.0
324 ##
325 { 'command': 'query-chardev', 'returns': ['ChardevInfo'] }
326
327 ##
328 # @CommandInfo:
329 #
330 # Information about a QMP command
331 #
332 # @name: The command name
333 #
334 # Since: 0.14.0
335 ##
336 { 'type': 'CommandInfo', 'data': {'name': 'str'} }
337
338 ##
339 # @query-commands:
340 #
341 # Return a list of supported QMP commands by this server
342 #
343 # Returns: A list of @CommandInfo for all supported commands
344 #
345 # Since: 0.14.0
346 ##
347 { 'command': 'query-commands', 'returns': ['CommandInfo'] }
348
349 ##
350 # @EventInfo:
351 #
352 # Information about a QMP event
353 #
354 # @name: The event name
355 #
356 # Since: 1.2.0
357 ##
358 { 'type': 'EventInfo', 'data': {'name': 'str'} }
359
360 ##
361 # @query-events:
362 #
363 # Return a list of supported QMP events by this server
364 #
365 # Returns: A list of @EventInfo for all supported events
366 #
367 # Since: 1.2.0
368 ##
369 { 'command': 'query-events', 'returns': ['EventInfo'] }
370
371 ##
372 # @MigrationStats
373 #
374 # Detailed migration status.
375 #
376 # @transferred: amount of bytes already transferred to the target VM
377 #
378 # @remaining: amount of bytes remaining to be transferred to the target VM
379 #
380 # @total: total amount of bytes involved in the migration process
381 #
382 # @duplicate: number of duplicate pages (since 1.2)
383 #
384 # @normal : number of normal pages (since 1.2)
385 #
386 # @normal-bytes: number of normal bytes sent (since 1.2)
387 #
388 # @dirty-pages-rate: number of pages dirtied by second by the
389 # guest (since 1.3)
390 #
391 # Since: 0.14.0
392 ##
393 { 'type': 'MigrationStats',
394 'data': {'transferred': 'int', 'remaining': 'int', 'total': 'int' ,
395 'duplicate': 'int', 'normal': 'int', 'normal-bytes': 'int',
396 'dirty-pages-rate' : 'int' } }
397
398 ##
399 # @XBZRLECacheStats
400 #
401 # Detailed XBZRLE migration cache statistics
402 #
403 # @cache-size: XBZRLE cache size
404 #
405 # @bytes: amount of bytes already transferred to the target VM
406 #
407 # @pages: amount of pages transferred to the target VM
408 #
409 # @cache-miss: number of cache miss
410 #
411 # @overflow: number of overflows
412 #
413 # Since: 1.2
414 ##
415 { 'type': 'XBZRLECacheStats',
416 'data': {'cache-size': 'int', 'bytes': 'int', 'pages': 'int',
417 'cache-miss': 'int', 'overflow': 'int' } }
418
419 ##
420 # @MigrationInfo
421 #
422 # Information about current migration process.
423 #
424 # @status: #optional string describing the current migration status.
425 # As of 0.14.0 this can be 'active', 'completed', 'failed' or
426 # 'cancelled'. If this field is not returned, no migration process
427 # has been initiated
428 #
429 # @ram: #optional @MigrationStats containing detailed migration
430 # status, only returned if status is 'active' or
431 # 'completed'. 'comppleted' (since 1.2)
432 #
433 # @disk: #optional @MigrationStats containing detailed disk migration
434 # status, only returned if status is 'active' and it is a block
435 # migration
436 #
437 # @xbzrle-cache: #optional @XBZRLECacheStats containing detailed XBZRLE
438 # migration statistics, only returned if XBZRLE feature is on and
439 # status is 'active' or 'completed' (since 1.2)
440 #
441 # @total-time: #optional total amount of milliseconds since migration started.
442 # If migration has ended, it returns the total migration
443 # time. (since 1.2)
444 #
445 # @downtime: #optional only present when migration finishes correctly
446 # total downtime in milliseconds for the guest.
447 # (since 1.3)
448 #
449 # @expected-downtime: #optional only present while migration is active
450 # expected downtime in milliseconds for the guest in last walk
451 # of the dirty bitmap. (since 1.3)
452 #
453 # Since: 0.14.0
454 ##
455 { 'type': 'MigrationInfo',
456 'data': {'*status': 'str', '*ram': 'MigrationStats',
457 '*disk': 'MigrationStats',
458 '*xbzrle-cache': 'XBZRLECacheStats',
459 '*total-time': 'int',
460 '*expected-downtime': 'int',
461 '*downtime': 'int'} }
462
463 ##
464 # @query-migrate
465 #
466 # Returns information about current migration process.
467 #
468 # Returns: @MigrationInfo
469 #
470 # Since: 0.14.0
471 ##
472 { 'command': 'query-migrate', 'returns': 'MigrationInfo' }
473
474 ##
475 # @MigrationCapability
476 #
477 # Migration capabilities enumeration
478 #
479 # @xbzrle: Migration supports xbzrle (Xor Based Zero Run Length Encoding).
480 # This feature allows us to minimize migration traffic for certain work
481 # loads, by sending compressed difference of the pages
482 #
483 # Since: 1.2
484 ##
485 { 'enum': 'MigrationCapability',
486 'data': ['xbzrle'] }
487
488 ##
489 # @MigrationCapabilityStatus
490 #
491 # Migration capability information
492 #
493 # @capability: capability enum
494 #
495 # @state: capability state bool
496 #
497 # Since: 1.2
498 ##
499 { 'type': 'MigrationCapabilityStatus',
500 'data': { 'capability' : 'MigrationCapability', 'state' : 'bool' } }
501
502 ##
503 # @migrate-set-capabilities
504 #
505 # Enable/Disable the following migration capabilities (like xbzrle)
506 #
507 # @capabilities: json array of capability modifications to make
508 #
509 # Since: 1.2
510 ##
511 { 'command': 'migrate-set-capabilities',
512 'data': { 'capabilities': ['MigrationCapabilityStatus'] } }
513
514 ##
515 # @query-migrate-capabilities
516 #
517 # Returns information about the current migration capabilities status
518 #
519 # Returns: @MigrationCapabilitiesStatus
520 #
521 # Since: 1.2
522 ##
523 { 'command': 'query-migrate-capabilities', 'returns': ['MigrationCapabilityStatus']}
524
525 ##
526 # @MouseInfo:
527 #
528 # Information about a mouse device.
529 #
530 # @name: the name of the mouse device
531 #
532 # @index: the index of the mouse device
533 #
534 # @current: true if this device is currently receiving mouse events
535 #
536 # @absolute: true if this device supports absolute coordinates as input
537 #
538 # Since: 0.14.0
539 ##
540 { 'type': 'MouseInfo',
541 'data': {'name': 'str', 'index': 'int', 'current': 'bool',
542 'absolute': 'bool'} }
543
544 ##
545 # @query-mice:
546 #
547 # Returns information about each active mouse device
548 #
549 # Returns: a list of @MouseInfo for each device
550 #
551 # Since: 0.14.0
552 ##
553 { 'command': 'query-mice', 'returns': ['MouseInfo'] }
554
555 ##
556 # @CpuInfo:
557 #
558 # Information about a virtual CPU
559 #
560 # @CPU: the index of the virtual CPU
561 #
562 # @current: this only exists for backwards compatible and should be ignored
563 #
564 # @halted: true if the virtual CPU is in the halt state. Halt usually refers
565 # to a processor specific low power mode.
566 #
567 # @pc: #optional If the target is i386 or x86_64, this is the 64-bit instruction
568 # pointer.
569 # If the target is Sparc, this is the PC component of the
570 # instruction pointer.
571 #
572 # @nip: #optional If the target is PPC, the instruction pointer
573 #
574 # @npc: #optional If the target is Sparc, the NPC component of the instruction
575 # pointer
576 #
577 # @PC: #optional If the target is MIPS, the instruction pointer
578 #
579 # @thread_id: ID of the underlying host thread
580 #
581 # Since: 0.14.0
582 #
583 # Notes: @halted is a transient state that changes frequently. By the time the
584 # data is sent to the client, the guest may no longer be halted.
585 ##
586 { 'type': 'CpuInfo',
587 'data': {'CPU': 'int', 'current': 'bool', 'halted': 'bool', '*pc': 'int',
588 '*nip': 'int', '*npc': 'int', '*PC': 'int', 'thread_id': 'int'} }
589
590 ##
591 # @query-cpus:
592 #
593 # Returns a list of information about each virtual CPU.
594 #
595 # Returns: a list of @CpuInfo for each virtual CPU
596 #
597 # Since: 0.14.0
598 ##
599 { 'command': 'query-cpus', 'returns': ['CpuInfo'] }
600
601 ##
602 # @BlockDeviceInfo:
603 #
604 # Information about the backing device for a block device.
605 #
606 # @file: the filename of the backing device
607 #
608 # @ro: true if the backing device was open read-only
609 #
610 # @drv: the name of the block format used to open the backing device. As of
611 # 0.14.0 this can be: 'blkdebug', 'bochs', 'cloop', 'cow', 'dmg',
612 # 'file', 'file', 'ftp', 'ftps', 'host_cdrom', 'host_device',
613 # 'host_floppy', 'http', 'https', 'nbd', 'parallels', 'qcow',
614 # 'qcow2', 'raw', 'tftp', 'vdi', 'vmdk', 'vpc', 'vvfat'
615 #
616 # @backing_file: #optional the name of the backing file (for copy-on-write)
617 #
618 # @backing_file_depth: number of files in the backing file chain (since: 1.2)
619 #
620 # @encrypted: true if the backing device is encrypted
621 #
622 # @encryption_key_missing: true if the backing device is encrypted but an
623 # valid encryption key is missing
624 #
625 # @bps: total throughput limit in bytes per second is specified
626 #
627 # @bps_rd: read throughput limit in bytes per second is specified
628 #
629 # @bps_wr: write throughput limit in bytes per second is specified
630 #
631 # @iops: total I/O operations per second is specified
632 #
633 # @iops_rd: read I/O operations per second is specified
634 #
635 # @iops_wr: write I/O operations per second is specified
636 #
637 # Since: 0.14.0
638 #
639 # Notes: This interface is only found in @BlockInfo.
640 ##
641 { 'type': 'BlockDeviceInfo',
642 'data': { 'file': 'str', 'ro': 'bool', 'drv': 'str',
643 '*backing_file': 'str', 'backing_file_depth': 'int',
644 'encrypted': 'bool', 'encryption_key_missing': 'bool',
645 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
646 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int'} }
647
648 ##
649 # @BlockDeviceIoStatus:
650 #
651 # An enumeration of block device I/O status.
652 #
653 # @ok: The last I/O operation has succeeded
654 #
655 # @failed: The last I/O operation has failed
656 #
657 # @nospace: The last I/O operation has failed due to a no-space condition
658 #
659 # Since: 1.0
660 ##
661 { 'enum': 'BlockDeviceIoStatus', 'data': [ 'ok', 'failed', 'nospace' ] }
662
663 ##
664 # @BlockDirtyInfo:
665 #
666 # Block dirty bitmap information.
667 #
668 # @count: number of dirty bytes according to the dirty bitmap
669 #
670 # Since: 1.3
671 ##
672 { 'type': 'BlockDirtyInfo',
673 'data': {'count': 'int'} }
674
675 ##
676 # @BlockInfo:
677 #
678 # Block device information. This structure describes a virtual device and
679 # the backing device associated with it.
680 #
681 # @device: The device name associated with the virtual device.
682 #
683 # @type: This field is returned only for compatibility reasons, it should
684 # not be used (always returns 'unknown')
685 #
686 # @removable: True if the device supports removable media.
687 #
688 # @locked: True if the guest has locked this device from having its media
689 # removed
690 #
691 # @tray_open: #optional True if the device has a tray and it is open
692 # (only present if removable is true)
693 #
694 # @dirty: #optional dirty bitmap information (only present if the dirty
695 # bitmap is enabled)
696 #
697 # @io-status: #optional @BlockDeviceIoStatus. Only present if the device
698 # supports it and the VM is configured to stop on errors
699 #
700 # @inserted: #optional @BlockDeviceInfo describing the device if media is
701 # present
702 #
703 # Since: 0.14.0
704 ##
705 { 'type': 'BlockInfo',
706 'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
707 'locked': 'bool', '*inserted': 'BlockDeviceInfo',
708 '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus',
709 '*dirty': 'BlockDirtyInfo' } }
710
711 ##
712 # @query-block:
713 #
714 # Get a list of BlockInfo for all virtual block devices.
715 #
716 # Returns: a list of @BlockInfo describing each virtual block device
717 #
718 # Since: 0.14.0
719 ##
720 { 'command': 'query-block', 'returns': ['BlockInfo'] }
721
722 ##
723 # @BlockDeviceStats:
724 #
725 # Statistics of a virtual block device or a block backing device.
726 #
727 # @rd_bytes: The number of bytes read by the device.
728 #
729 # @wr_bytes: The number of bytes written by the device.
730 #
731 # @rd_operations: The number of read operations performed by the device.
732 #
733 # @wr_operations: The number of write operations performed by the device.
734 #
735 # @flush_operations: The number of cache flush operations performed by the
736 # device (since 0.15.0)
737 #
738 # @flush_total_time_ns: Total time spend on cache flushes in nano-seconds
739 # (since 0.15.0).
740 #
741 # @wr_total_time_ns: Total time spend on writes in nano-seconds (since 0.15.0).
742 #
743 # @rd_total_time_ns: Total_time_spend on reads in nano-seconds (since 0.15.0).
744 #
745 # @wr_highest_offset: The offset after the greatest byte written to the
746 # device. The intended use of this information is for
747 # growable sparse files (like qcow2) that are used on top
748 # of a physical device.
749 #
750 # Since: 0.14.0
751 ##
752 { 'type': 'BlockDeviceStats',
753 'data': {'rd_bytes': 'int', 'wr_bytes': 'int', 'rd_operations': 'int',
754 'wr_operations': 'int', 'flush_operations': 'int',
755 'flush_total_time_ns': 'int', 'wr_total_time_ns': 'int',
756 'rd_total_time_ns': 'int', 'wr_highest_offset': 'int' } }
757
758 ##
759 # @BlockStats:
760 #
761 # Statistics of a virtual block device or a block backing device.
762 #
763 # @device: #optional If the stats are for a virtual block device, the name
764 # corresponding to the virtual block device.
765 #
766 # @stats: A @BlockDeviceStats for the device.
767 #
768 # @parent: #optional This may point to the backing block device if this is a
769 # a virtual block device. If it's a backing block, this will point
770 # to the backing file is one is present.
771 #
772 # Since: 0.14.0
773 ##
774 { 'type': 'BlockStats',
775 'data': {'*device': 'str', 'stats': 'BlockDeviceStats',
776 '*parent': 'BlockStats'} }
777
778 ##
779 # @query-blockstats:
780 #
781 # Query the @BlockStats for all virtual block devices.
782 #
783 # Returns: A list of @BlockStats for each virtual block devices.
784 #
785 # Since: 0.14.0
786 ##
787 { 'command': 'query-blockstats', 'returns': ['BlockStats'] }
788
789 ##
790 # @VncClientInfo:
791 #
792 # Information about a connected VNC client.
793 #
794 # @host: The host name of the client. QEMU tries to resolve this to a DNS name
795 # when possible.
796 #
797 # @family: 'ipv6' if the client is connected via IPv6 and TCP
798 # 'ipv4' if the client is connected via IPv4 and TCP
799 # 'unix' if the client is connected via a unix domain socket
800 # 'unknown' otherwise
801 #
802 # @service: The service name of the client's port. This may depends on the
803 # host system's service database so symbolic names should not be
804 # relied on.
805 #
806 # @x509_dname: #optional If x509 authentication is in use, the Distinguished
807 # Name of the client.
808 #
809 # @sasl_username: #optional If SASL authentication is in use, the SASL username
810 # used for authentication.
811 #
812 # Since: 0.14.0
813 ##
814 { 'type': 'VncClientInfo',
815 'data': {'host': 'str', 'family': 'str', 'service': 'str',
816 '*x509_dname': 'str', '*sasl_username': 'str'} }
817
818 ##
819 # @VncInfo:
820 #
821 # Information about the VNC session.
822 #
823 # @enabled: true if the VNC server is enabled, false otherwise
824 #
825 # @host: #optional The hostname the VNC server is bound to. This depends on
826 # the name resolution on the host and may be an IP address.
827 #
828 # @family: #optional 'ipv6' if the host is listening for IPv6 connections
829 # 'ipv4' if the host is listening for IPv4 connections
830 # 'unix' if the host is listening on a unix domain socket
831 # 'unknown' otherwise
832 #
833 # @service: #optional The service name of the server's port. This may depends
834 # on the host system's service database so symbolic names should not
835 # be relied on.
836 #
837 # @auth: #optional the current authentication type used by the server
838 # 'none' if no authentication is being used
839 # 'vnc' if VNC authentication is being used
840 # 'vencrypt+plain' if VEncrypt is used with plain text authentication
841 # 'vencrypt+tls+none' if VEncrypt is used with TLS and no authentication
842 # 'vencrypt+tls+vnc' if VEncrypt is used with TLS and VNC authentication
843 # 'vencrypt+tls+plain' if VEncrypt is used with TLS and plain text auth
844 # 'vencrypt+x509+none' if VEncrypt is used with x509 and no auth
845 # 'vencrypt+x509+vnc' if VEncrypt is used with x509 and VNC auth
846 # 'vencrypt+x509+plain' if VEncrypt is used with x509 and plain text auth
847 # 'vencrypt+tls+sasl' if VEncrypt is used with TLS and SASL auth
848 # 'vencrypt+x509+sasl' if VEncrypt is used with x509 and SASL auth
849 #
850 # @clients: a list of @VncClientInfo of all currently connected clients
851 #
852 # Since: 0.14.0
853 ##
854 { 'type': 'VncInfo',
855 'data': {'enabled': 'bool', '*host': 'str', '*family': 'str',
856 '*service': 'str', '*auth': 'str', '*clients': ['VncClientInfo']} }
857
858 ##
859 # @query-vnc:
860 #
861 # Returns information about the current VNC server
862 #
863 # Returns: @VncInfo
864 #
865 # Since: 0.14.0
866 ##
867 { 'command': 'query-vnc', 'returns': 'VncInfo' }
868
869 ##
870 # @SpiceChannel
871 #
872 # Information about a SPICE client channel.
873 #
874 # @host: The host name of the client. QEMU tries to resolve this to a DNS name
875 # when possible.
876 #
877 # @family: 'ipv6' if the client is connected via IPv6 and TCP
878 # 'ipv4' if the client is connected via IPv4 and TCP
879 # 'unix' if the client is connected via a unix domain socket
880 # 'unknown' otherwise
881 #
882 # @port: The client's port number.
883 #
884 # @connection-id: SPICE connection id number. All channels with the same id
885 # belong to the same SPICE session.
886 #
887 # @connection-type: SPICE channel type number. "1" is the main control
888 # channel, filter for this one if you want to track spice
889 # sessions only
890 #
891 # @channel-id: SPICE channel ID number. Usually "0", might be different when
892 # multiple channels of the same type exist, such as multiple
893 # display channels in a multihead setup
894 #
895 # @tls: true if the channel is encrypted, false otherwise.
896 #
897 # Since: 0.14.0
898 ##
899 { 'type': 'SpiceChannel',
900 'data': {'host': 'str', 'family': 'str', 'port': 'str',
901 'connection-id': 'int', 'channel-type': 'int', 'channel-id': 'int',
902 'tls': 'bool'} }
903
904 ##
905 # @SpiceQueryMouseMode
906 #
907 # An enumeration of Spice mouse states.
908 #
909 # @client: Mouse cursor position is determined by the client.
910 #
911 # @server: Mouse cursor position is determined by the server.
912 #
913 # @unknown: No information is available about mouse mode used by
914 # the spice server.
915 #
916 # Note: spice/enums.h has a SpiceMouseMode already, hence the name.
917 #
918 # Since: 1.1
919 ##
920 { 'enum': 'SpiceQueryMouseMode',
921 'data': [ 'client', 'server', 'unknown' ] }
922
923 ##
924 # @SpiceInfo
925 #
926 # Information about the SPICE session.
927 #
928 # @enabled: true if the SPICE server is enabled, false otherwise
929 #
930 # @migrated: true if the last guest migration completed and spice
931 # migration had completed as well. false otherwise.
932 #
933 # @host: #optional The hostname the SPICE server is bound to. This depends on
934 # the name resolution on the host and may be an IP address.
935 #
936 # @port: #optional The SPICE server's port number.
937 #
938 # @compiled-version: #optional SPICE server version.
939 #
940 # @tls-port: #optional The SPICE server's TLS port number.
941 #
942 # @auth: #optional the current authentication type used by the server
943 # 'none' if no authentication is being used
944 # 'spice' uses SASL or direct TLS authentication, depending on command
945 # line options
946 #
947 # @mouse-mode: The mode in which the mouse cursor is displayed currently. Can
948 # be determined by the client or the server, or unknown if spice
949 # server doesn't provide this information.
950 #
951 # Since: 1.1
952 #
953 # @channels: a list of @SpiceChannel for each active spice channel
954 #
955 # Since: 0.14.0
956 ##
957 { 'type': 'SpiceInfo',
958 'data': {'enabled': 'bool', 'migrated': 'bool', '*host': 'str', '*port': 'int',
959 '*tls-port': 'int', '*auth': 'str', '*compiled-version': 'str',
960 'mouse-mode': 'SpiceQueryMouseMode', '*channels': ['SpiceChannel']} }
961
962 ##
963 # @query-spice
964 #
965 # Returns information about the current SPICE server
966 #
967 # Returns: @SpiceInfo
968 #
969 # Since: 0.14.0
970 ##
971 { 'command': 'query-spice', 'returns': 'SpiceInfo' }
972
973 ##
974 # @BalloonInfo:
975 #
976 # Information about the guest balloon device.
977 #
978 # @actual: the number of bytes the balloon currently contains
979 #
980 # @mem_swapped_in: #optional number of pages swapped in within the guest
981 #
982 # @mem_swapped_out: #optional number of pages swapped out within the guest
983 #
984 # @major_page_faults: #optional number of major page faults within the guest
985 #
986 # @minor_page_faults: #optional number of minor page faults within the guest
987 #
988 # @free_mem: #optional amount of memory (in bytes) free in the guest
989 #
990 # @total_mem: #optional amount of memory (in bytes) visible to the guest
991 #
992 # Since: 0.14.0
993 #
994 # Notes: all current versions of QEMU do not fill out optional information in
995 # this structure.
996 ##
997 { 'type': 'BalloonInfo',
998 'data': {'actual': 'int', '*mem_swapped_in': 'int',
999 '*mem_swapped_out': 'int', '*major_page_faults': 'int',
1000 '*minor_page_faults': 'int', '*free_mem': 'int',
1001 '*total_mem': 'int'} }
1002
1003 ##
1004 # @query-balloon:
1005 #
1006 # Return information about the balloon device.
1007 #
1008 # Returns: @BalloonInfo on success
1009 # If the balloon driver is enabled but not functional because the KVM
1010 # kernel module cannot support it, KvmMissingCap
1011 # If no balloon device is present, DeviceNotActive
1012 #
1013 # Since: 0.14.0
1014 ##
1015 { 'command': 'query-balloon', 'returns': 'BalloonInfo' }
1016
1017 ##
1018 # @PciMemoryRange:
1019 #
1020 # A PCI device memory region
1021 #
1022 # @base: the starting address (guest physical)
1023 #
1024 # @limit: the ending address (guest physical)
1025 #
1026 # Since: 0.14.0
1027 ##
1028 { 'type': 'PciMemoryRange', 'data': {'base': 'int', 'limit': 'int'} }
1029
1030 ##
1031 # @PciMemoryRegion
1032 #
1033 # Information about a PCI device I/O region.
1034 #
1035 # @bar: the index of the Base Address Register for this region
1036 #
1037 # @type: 'io' if the region is a PIO region
1038 # 'memory' if the region is a MMIO region
1039 #
1040 # @prefetch: #optional if @type is 'memory', true if the memory is prefetchable
1041 #
1042 # @mem_type_64: #optional if @type is 'memory', true if the BAR is 64-bit
1043 #
1044 # Since: 0.14.0
1045 ##
1046 { 'type': 'PciMemoryRegion',
1047 'data': {'bar': 'int', 'type': 'str', 'address': 'int', 'size': 'int',
1048 '*prefetch': 'bool', '*mem_type_64': 'bool' } }
1049
1050 ##
1051 # @PciBridgeInfo:
1052 #
1053 # Information about a PCI Bridge device
1054 #
1055 # @bus.number: primary bus interface number. This should be the number of the
1056 # bus the device resides on.
1057 #
1058 # @bus.secondary: secondary bus interface number. This is the number of the
1059 # main bus for the bridge
1060 #
1061 # @bus.subordinate: This is the highest number bus that resides below the
1062 # bridge.
1063 #
1064 # @bus.io_range: The PIO range for all devices on this bridge
1065 #
1066 # @bus.memory_range: The MMIO range for all devices on this bridge
1067 #
1068 # @bus.prefetchable_range: The range of prefetchable MMIO for all devices on
1069 # this bridge
1070 #
1071 # @devices: a list of @PciDeviceInfo for each device on this bridge
1072 #
1073 # Since: 0.14.0
1074 ##
1075 { 'type': 'PciBridgeInfo',
1076 'data': {'bus': { 'number': 'int', 'secondary': 'int', 'subordinate': 'int',
1077 'io_range': 'PciMemoryRange',
1078 'memory_range': 'PciMemoryRange',
1079 'prefetchable_range': 'PciMemoryRange' },
1080 '*devices': ['PciDeviceInfo']} }
1081
1082 ##
1083 # @PciDeviceInfo:
1084 #
1085 # Information about a PCI device
1086 #
1087 # @bus: the bus number of the device
1088 #
1089 # @slot: the slot the device is located in
1090 #
1091 # @function: the function of the slot used by the device
1092 #
1093 # @class_info.desc: #optional a string description of the device's class
1094 #
1095 # @class_info.class: the class code of the device
1096 #
1097 # @id.device: the PCI device id
1098 #
1099 # @id.vendor: the PCI vendor id
1100 #
1101 # @irq: #optional if an IRQ is assigned to the device, the IRQ number
1102 #
1103 # @qdev_id: the device name of the PCI device
1104 #
1105 # @pci_bridge: if the device is a PCI bridge, the bridge information
1106 #
1107 # @regions: a list of the PCI I/O regions associated with the device
1108 #
1109 # Notes: the contents of @class_info.desc are not stable and should only be
1110 # treated as informational.
1111 #
1112 # Since: 0.14.0
1113 ##
1114 { 'type': 'PciDeviceInfo',
1115 'data': {'bus': 'int', 'slot': 'int', 'function': 'int',
1116 'class_info': {'*desc': 'str', 'class': 'int'},
1117 'id': {'device': 'int', 'vendor': 'int'},
1118 '*irq': 'int', 'qdev_id': 'str', '*pci_bridge': 'PciBridgeInfo',
1119 'regions': ['PciMemoryRegion']} }
1120
1121 ##
1122 # @PciInfo:
1123 #
1124 # Information about a PCI bus
1125 #
1126 # @bus: the bus index
1127 #
1128 # @devices: a list of devices on this bus
1129 #
1130 # Since: 0.14.0
1131 ##
1132 { 'type': 'PciInfo', 'data': {'bus': 'int', 'devices': ['PciDeviceInfo']} }
1133
1134 ##
1135 # @query-pci:
1136 #
1137 # Return information about the PCI bus topology of the guest.
1138 #
1139 # Returns: a list of @PciInfo for each PCI bus
1140 #
1141 # Since: 0.14.0
1142 ##
1143 { 'command': 'query-pci', 'returns': ['PciInfo'] }
1144
1145 ##
1146 # @BlockdevOnError:
1147 #
1148 # An enumeration of possible behaviors for errors on I/O operations.
1149 # The exact meaning depends on whether the I/O was initiated by a guest
1150 # or by a block job
1151 #
1152 # @report: for guest operations, report the error to the guest;
1153 # for jobs, cancel the job
1154 #
1155 # @ignore: ignore the error, only report a QMP event (BLOCK_IO_ERROR
1156 # or BLOCK_JOB_ERROR)
1157 #
1158 # @enospc: same as @stop on ENOSPC, same as @report otherwise.
1159 #
1160 # @stop: for guest operations, stop the virtual machine;
1161 # for jobs, pause the job
1162 #
1163 # Since: 1.3
1164 ##
1165 { 'enum': 'BlockdevOnError',
1166 'data': ['report', 'ignore', 'enospc', 'stop'] }
1167
1168 ##
1169 # @MirrorSyncMode:
1170 #
1171 # An enumeration of possible behaviors for the initial synchronization
1172 # phase of storage mirroring.
1173 #
1174 # @top: copies data in the topmost image to the destination
1175 #
1176 # @full: copies data from all images to the destination
1177 #
1178 # @none: only copy data written from now on
1179 #
1180 # Since: 1.3
1181 ##
1182 { 'enum': 'MirrorSyncMode',
1183 'data': ['top', 'full', 'none'] }
1184
1185 ##
1186 # @BlockJobInfo:
1187 #
1188 # Information about a long-running block device operation.
1189 #
1190 # @type: the job type ('stream' for image streaming)
1191 #
1192 # @device: the block device name
1193 #
1194 # @len: the maximum progress value
1195 #
1196 # @busy: false if the job is known to be in a quiescent state, with
1197 # no pending I/O. Since 1.3.
1198 #
1199 # @paused: whether the job is paused or, if @busy is true, will
1200 # pause itself as soon as possible. Since 1.3.
1201 #
1202 # @offset: the current progress value
1203 #
1204 # @speed: the rate limit, bytes per second
1205 #
1206 # @io-status: the status of the job (since 1.3)
1207 #
1208 # Since: 1.1
1209 ##
1210 { 'type': 'BlockJobInfo',
1211 'data': {'type': 'str', 'device': 'str', 'len': 'int',
1212 'offset': 'int', 'busy': 'bool', 'paused': 'bool', 'speed': 'int',
1213 'io-status': 'BlockDeviceIoStatus'} }
1214
1215 ##
1216 # @query-block-jobs:
1217 #
1218 # Return information about long-running block device operations.
1219 #
1220 # Returns: a list of @BlockJobInfo for each active block job
1221 #
1222 # Since: 1.1
1223 ##
1224 { 'command': 'query-block-jobs', 'returns': ['BlockJobInfo'] }
1225
1226 ##
1227 # @quit:
1228 #
1229 # This command will cause the QEMU process to exit gracefully. While every
1230 # attempt is made to send the QMP response before terminating, this is not
1231 # guaranteed. When using this interface, a premature EOF would not be
1232 # unexpected.
1233 #
1234 # Since: 0.14.0
1235 ##
1236 { 'command': 'quit' }
1237
1238 ##
1239 # @stop:
1240 #
1241 # Stop all guest VCPU execution.
1242 #
1243 # Since: 0.14.0
1244 #
1245 # Notes: This function will succeed even if the guest is already in the stopped
1246 # state. In "inmigrate" state, it will ensure that the guest
1247 # remains paused once migration finishes, as if the -S option was
1248 # passed on the command line.
1249 ##
1250 { 'command': 'stop' }
1251
1252 ##
1253 # @system_reset:
1254 #
1255 # Performs a hard reset of a guest.
1256 #
1257 # Since: 0.14.0
1258 ##
1259 { 'command': 'system_reset' }
1260
1261 ##
1262 # @system_powerdown:
1263 #
1264 # Requests that a guest perform a powerdown operation.
1265 #
1266 # Since: 0.14.0
1267 #
1268 # Notes: A guest may or may not respond to this command. This command
1269 # returning does not indicate that a guest has accepted the request or
1270 # that it has shut down. Many guests will respond to this command by
1271 # prompting the user in some way.
1272 ##
1273 { 'command': 'system_powerdown' }
1274
1275 ##
1276 # @cpu:
1277 #
1278 # This command is a nop that is only provided for the purposes of compatibility.
1279 #
1280 # Since: 0.14.0
1281 #
1282 # Notes: Do not use this command.
1283 ##
1284 { 'command': 'cpu', 'data': {'index': 'int'} }
1285
1286 ##
1287 # @memsave:
1288 #
1289 # Save a portion of guest memory to a file.
1290 #
1291 # @val: the virtual address of the guest to start from
1292 #
1293 # @size: the size of memory region to save
1294 #
1295 # @filename: the file to save the memory to as binary data
1296 #
1297 # @cpu-index: #optional the index of the virtual CPU to use for translating the
1298 # virtual address (defaults to CPU 0)
1299 #
1300 # Returns: Nothing on success
1301 #
1302 # Since: 0.14.0
1303 #
1304 # Notes: Errors were not reliably returned until 1.1
1305 ##
1306 { 'command': 'memsave',
1307 'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }
1308
1309 ##
1310 # @pmemsave:
1311 #
1312 # Save a portion of guest physical memory to a file.
1313 #
1314 # @val: the physical address of the guest to start from
1315 #
1316 # @size: the size of memory region to save
1317 #
1318 # @filename: the file to save the memory to as binary data
1319 #
1320 # Returns: Nothing on success
1321 #
1322 # Since: 0.14.0
1323 #
1324 # Notes: Errors were not reliably returned until 1.1
1325 ##
1326 { 'command': 'pmemsave',
1327 'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }
1328
1329 ##
1330 # @cont:
1331 #
1332 # Resume guest VCPU execution.
1333 #
1334 # Since: 0.14.0
1335 #
1336 # Returns: If successful, nothing
1337 # If QEMU was started with an encrypted block device and a key has
1338 # not yet been set, DeviceEncrypted.
1339 #
1340 # Notes: This command will succeed if the guest is currently running. It
1341 # will also succeed if the guest is in the "inmigrate" state; in
1342 # this case, the effect of the command is to make sure the guest
1343 # starts once migration finishes, removing the effect of the -S
1344 # command line option if it was passed.
1345 ##
1346 { 'command': 'cont' }
1347
1348 ##
1349 # @system_wakeup:
1350 #
1351 # Wakeup guest from suspend. Does nothing in case the guest isn't suspended.
1352 #
1353 # Since: 1.1
1354 #
1355 # Returns: nothing.
1356 ##
1357 { 'command': 'system_wakeup' }
1358
1359 ##
1360 # @inject-nmi:
1361 #
1362 # Injects an Non-Maskable Interrupt into all guest's VCPUs.
1363 #
1364 # Returns: If successful, nothing
1365 #
1366 # Since: 0.14.0
1367 #
1368 # Notes: Only x86 Virtual Machines support this command.
1369 ##
1370 { 'command': 'inject-nmi' }
1371
1372 ##
1373 # @set_link:
1374 #
1375 # Sets the link status of a virtual network adapter.
1376 #
1377 # @name: the device name of the virtual network adapter
1378 #
1379 # @up: true to set the link status to be up
1380 #
1381 # Returns: Nothing on success
1382 # If @name is not a valid network device, DeviceNotFound
1383 #
1384 # Since: 0.14.0
1385 #
1386 # Notes: Not all network adapters support setting link status. This command
1387 # will succeed even if the network adapter does not support link status
1388 # notification.
1389 ##
1390 { 'command': 'set_link', 'data': {'name': 'str', 'up': 'bool'} }
1391
1392 ##
1393 # @block_passwd:
1394 #
1395 # This command sets the password of a block device that has not been open
1396 # with a password and requires one.
1397 #
1398 # The two cases where this can happen are a block device is created through
1399 # QEMU's initial command line or a block device is changed through the legacy
1400 # @change interface.
1401 #
1402 # In the event that the block device is created through the initial command
1403 # line, the VM will start in the stopped state regardless of whether '-S' is
1404 # used. The intention is for a management tool to query the block devices to
1405 # determine which ones are encrypted, set the passwords with this command, and
1406 # then start the guest with the @cont command.
1407 #
1408 # @device: the name of the device to set the password on
1409 #
1410 # @password: the password to use for the device
1411 #
1412 # Returns: nothing on success
1413 # If @device is not a valid block device, DeviceNotFound
1414 # If @device is not encrypted, DeviceNotEncrypted
1415 #
1416 # Notes: Not all block formats support encryption and some that do are not
1417 # able to validate that a password is correct. Disk corruption may
1418 # occur if an invalid password is specified.
1419 #
1420 # Since: 0.14.0
1421 ##
1422 { 'command': 'block_passwd', 'data': {'device': 'str', 'password': 'str'} }
1423
1424 ##
1425 # @balloon:
1426 #
1427 # Request the balloon driver to change its balloon size.
1428 #
1429 # @value: the target size of the balloon in bytes
1430 #
1431 # Returns: Nothing on success
1432 # If the balloon driver is enabled but not functional because the KVM
1433 # kernel module cannot support it, KvmMissingCap
1434 # If no balloon device is present, DeviceNotActive
1435 #
1436 # Notes: This command just issues a request to the guest. When it returns,
1437 # the balloon size may not have changed. A guest can change the balloon
1438 # size independent of this command.
1439 #
1440 # Since: 0.14.0
1441 ##
1442 { 'command': 'balloon', 'data': {'value': 'int'} }
1443
1444 ##
1445 # @block_resize
1446 #
1447 # Resize a block image while a guest is running.
1448 #
1449 # @device: the name of the device to get the image resized
1450 #
1451 # @size: new image size in bytes
1452 #
1453 # Returns: nothing on success
1454 # If @device is not a valid block device, DeviceNotFound
1455 #
1456 # Since: 0.14.0
1457 ##
1458 { 'command': 'block_resize', 'data': { 'device': 'str', 'size': 'int' }}
1459
1460 ##
1461 # @NewImageMode
1462 #
1463 # An enumeration that tells QEMU how to set the backing file path in
1464 # a new image file.
1465 #
1466 # @existing: QEMU should look for an existing image file.
1467 #
1468 # @absolute-paths: QEMU should create a new image with absolute paths
1469 # for the backing file.
1470 #
1471 # Since: 1.1
1472 ##
1473 { 'enum': 'NewImageMode'
1474 'data': [ 'existing', 'absolute-paths' ] }
1475
1476 ##
1477 # @BlockdevSnapshot
1478 #
1479 # @device: the name of the device to generate the snapshot from.
1480 #
1481 # @snapshot-file: the target of the new image. A new file will be created.
1482 #
1483 # @format: #optional the format of the snapshot image, default is 'qcow2'.
1484 #
1485 # @mode: #optional whether and how QEMU should create a new image, default is
1486 # 'absolute-paths'.
1487 ##
1488 { 'type': 'BlockdevSnapshot',
1489 'data': { 'device': 'str', 'snapshot-file': 'str', '*format': 'str',
1490 '*mode': 'NewImageMode' } }
1491
1492 ##
1493 # @BlockdevAction
1494 #
1495 # A discriminated record of operations that can be performed with
1496 # @transaction.
1497 ##
1498 { 'union': 'BlockdevAction',
1499 'data': {
1500 'blockdev-snapshot-sync': 'BlockdevSnapshot',
1501 } }
1502
1503 ##
1504 # @transaction
1505 #
1506 # Atomically operate on a group of one or more block devices. If
1507 # any operation fails, then the entire set of actions will be
1508 # abandoned and the appropriate error returned. The only operation
1509 # supported is currently blockdev-snapshot-sync.
1510 #
1511 # List of:
1512 # @BlockdevAction: information needed for the device snapshot
1513 #
1514 # Returns: nothing on success
1515 # If @device is not a valid block device, DeviceNotFound
1516 #
1517 # Note: The transaction aborts on the first failure. Therefore, there will
1518 # be only one device or snapshot file returned in an error condition, and
1519 # subsequent actions will not have been attempted.
1520 #
1521 # Since 1.1
1522 ##
1523 { 'command': 'transaction',
1524 'data': { 'actions': [ 'BlockdevAction' ] } }
1525
1526 ##
1527 # @blockdev-snapshot-sync
1528 #
1529 # Generates a synchronous snapshot of a block device.
1530 #
1531 # @device: the name of the device to generate the snapshot from.
1532 #
1533 # @snapshot-file: the target of the new image. If the file exists, or if it
1534 # is a device, the snapshot will be created in the existing
1535 # file/device. If does not exist, a new file will be created.
1536 #
1537 # @format: #optional the format of the snapshot image, default is 'qcow2'.
1538 #
1539 # @mode: #optional whether and how QEMU should create a new image, default is
1540 # 'absolute-paths'.
1541 #
1542 # Returns: nothing on success
1543 # If @device is not a valid block device, DeviceNotFound
1544 #
1545 # Since 0.14.0
1546 ##
1547 { 'command': 'blockdev-snapshot-sync',
1548 'data': { 'device': 'str', 'snapshot-file': 'str', '*format': 'str',
1549 '*mode': 'NewImageMode'} }
1550
1551 ##
1552 # @human-monitor-command:
1553 #
1554 # Execute a command on the human monitor and return the output.
1555 #
1556 # @command-line: the command to execute in the human monitor
1557 #
1558 # @cpu-index: #optional The CPU to use for commands that require an implicit CPU
1559 #
1560 # Returns: the output of the command as a string
1561 #
1562 # Since: 0.14.0
1563 #
1564 # Notes: This command only exists as a stop-gap. It's use is highly
1565 # discouraged. The semantics of this command are not guaranteed.
1566 #
1567 # Known limitations:
1568 #
1569 # o This command is stateless, this means that commands that depend
1570 # on state information (such as getfd) might not work
1571 #
1572 # o Commands that prompt the user for data (eg. 'cont' when the block
1573 # device is encrypted) don't currently work
1574 ##
1575 { 'command': 'human-monitor-command',
1576 'data': {'command-line': 'str', '*cpu-index': 'int'},
1577 'returns': 'str' }
1578
1579 ##
1580 # @block-commit
1581 #
1582 # Live commit of data from overlay image nodes into backing nodes - i.e.,
1583 # writes data between 'top' and 'base' into 'base'.
1584 #
1585 # @device: the name of the device
1586 #
1587 # @base: #optional The file name of the backing image to write data into.
1588 # If not specified, this is the deepest backing image
1589 #
1590 # @top: The file name of the backing image within the image chain,
1591 # which contains the topmost data to be committed down.
1592 # Note, the active layer as 'top' is currently unsupported.
1593 #
1594 # If top == base, that is an error.
1595 #
1596 #
1597 # @speed: #optional the maximum speed, in bytes per second
1598 #
1599 # Returns: Nothing on success
1600 # If commit or stream is already active on this device, DeviceInUse
1601 # If @device does not exist, DeviceNotFound
1602 # If image commit is not supported by this device, NotSupported
1603 # If @base or @top is invalid, a generic error is returned
1604 # If @top is the active layer, or omitted, a generic error is returned
1605 # If @speed is invalid, InvalidParameter
1606 #
1607 # Since: 1.3
1608 #
1609 ##
1610 { 'command': 'block-commit',
1611 'data': { 'device': 'str', '*base': 'str', 'top': 'str',
1612 '*speed': 'int' } }
1613
1614 ##
1615 # @drive-mirror
1616 #
1617 # Start mirroring a block device's writes to a new destination.
1618 #
1619 # @device: the name of the device whose writes should be mirrored.
1620 #
1621 # @target: the target of the new image. If the file exists, or if it
1622 # is a device, the existing file/device will be used as the new
1623 # destination. If it does not exist, a new file will be created.
1624 #
1625 # @format: #optional the format of the new destination, default is to
1626 # probe if @mode is 'existing', else the format of the source
1627 #
1628 # @mode: #optional whether and how QEMU should create a new image, default is
1629 # 'absolute-paths'.
1630 #
1631 # @speed: #optional the maximum speed, in bytes per second
1632 #
1633 # @sync: what parts of the disk image should be copied to the destination
1634 # (all the disk, only the sectors allocated in the topmost image, or
1635 # only new I/O).
1636 #
1637 # @on-source-error: #optional the action to take on an error on the source,
1638 # default 'report'. 'stop' and 'enospc' can only be used
1639 # if the block device supports io-status (see BlockInfo).
1640 #
1641 # @on-target-error: #optional the action to take on an error on the target,
1642 # default 'report' (no limitations, since this applies to
1643 # a different block device than @device).
1644 #
1645 # Returns: nothing on success
1646 # If @device is not a valid block device, DeviceNotFound
1647 #
1648 # Since 1.3
1649 ##
1650 { 'command': 'drive-mirror',
1651 'data': { 'device': 'str', 'target': 'str', '*format': 'str',
1652 'sync': 'MirrorSyncMode', '*mode': 'NewImageMode',
1653 '*speed': 'int', '*on-source-error': 'BlockdevOnError',
1654 '*on-target-error': 'BlockdevOnError' } }
1655
1656 ##
1657 # @migrate_cancel
1658 #
1659 # Cancel the current executing migration process.
1660 #
1661 # Returns: nothing on success
1662 #
1663 # Notes: This command succeeds even if there is no migration process running.
1664 #
1665 # Since: 0.14.0
1666 ##
1667 { 'command': 'migrate_cancel' }
1668
1669 ##
1670 # @migrate_set_downtime
1671 #
1672 # Set maximum tolerated downtime for migration.
1673 #
1674 # @value: maximum downtime in seconds
1675 #
1676 # Returns: nothing on success
1677 #
1678 # Since: 0.14.0
1679 ##
1680 { 'command': 'migrate_set_downtime', 'data': {'value': 'number'} }
1681
1682 ##
1683 # @migrate_set_speed
1684 #
1685 # Set maximum speed for migration.
1686 #
1687 # @value: maximum speed in bytes.
1688 #
1689 # Returns: nothing on success
1690 #
1691 # Notes: A value lesser than zero will be automatically round up to zero.
1692 #
1693 # Since: 0.14.0
1694 ##
1695 { 'command': 'migrate_set_speed', 'data': {'value': 'int'} }
1696
1697 ##
1698 # @migrate-set-cache-size
1699 #
1700 # Set XBZRLE cache size
1701 #
1702 # @value: cache size in bytes
1703 #
1704 # The size will be rounded down to the nearest power of 2.
1705 # The cache size can be modified before and during ongoing migration
1706 #
1707 # Returns: nothing on success
1708 #
1709 # Since: 1.2
1710 ##
1711 { 'command': 'migrate-set-cache-size', 'data': {'value': 'int'} }
1712
1713 ##
1714 # @query-migrate-cache-size
1715 #
1716 # query XBZRLE cache size
1717 #
1718 # Returns: XBZRLE cache size in bytes
1719 #
1720 # Since: 1.2
1721 ##
1722 { 'command': 'query-migrate-cache-size', 'returns': 'int' }
1723
1724 ##
1725 # @ObjectPropertyInfo:
1726 #
1727 # @name: the name of the property
1728 #
1729 # @type: the type of the property. This will typically come in one of four
1730 # forms:
1731 #
1732 # 1) A primitive type such as 'u8', 'u16', 'bool', 'str', or 'double'.
1733 # These types are mapped to the appropriate JSON type.
1734 #
1735 # 2) A legacy type in the form 'legacy<subtype>' where subtype is the
1736 # legacy qdev typename. These types are always treated as strings.
1737 #
1738 # 3) A child type in the form 'child<subtype>' where subtype is a qdev
1739 # device type name. Child properties create the composition tree.
1740 #
1741 # 4) A link type in the form 'link<subtype>' where subtype is a qdev
1742 # device type name. Link properties form the device model graph.
1743 #
1744 # Since: 1.2
1745 ##
1746 { 'type': 'ObjectPropertyInfo',
1747 'data': { 'name': 'str', 'type': 'str' } }
1748
1749 ##
1750 # @qom-list:
1751 #
1752 # This command will list any properties of a object given a path in the object
1753 # model.
1754 #
1755 # @path: the path within the object model. See @qom-get for a description of
1756 # this parameter.
1757 #
1758 # Returns: a list of @ObjectPropertyInfo that describe the properties of the
1759 # object.
1760 #
1761 # Since: 1.2
1762 ##
1763 { 'command': 'qom-list',
1764 'data': { 'path': 'str' },
1765 'returns': [ 'ObjectPropertyInfo' ] }
1766
1767 ##
1768 # @qom-get:
1769 #
1770 # This command will get a property from a object model path and return the
1771 # value.
1772 #
1773 # @path: The path within the object model. There are two forms of supported
1774 # paths--absolute and partial paths.
1775 #
1776 # Absolute paths are derived from the root object and can follow child<>
1777 # or link<> properties. Since they can follow link<> properties, they
1778 # can be arbitrarily long. Absolute paths look like absolute filenames
1779 # and are prefixed with a leading slash.
1780 #
1781 # Partial paths look like relative filenames. They do not begin
1782 # with a prefix. The matching rules for partial paths are subtle but
1783 # designed to make specifying objects easy. At each level of the
1784 # composition tree, the partial path is matched as an absolute path.
1785 # The first match is not returned. At least two matches are searched
1786 # for. A successful result is only returned if only one match is
1787 # found. If more than one match is found, a flag is return to
1788 # indicate that the match was ambiguous.
1789 #
1790 # @property: The property name to read
1791 #
1792 # Returns: The property value. The type depends on the property type. legacy<>
1793 # properties are returned as #str. child<> and link<> properties are
1794 # returns as #str pathnames. All integer property types (u8, u16, etc)
1795 # are returned as #int.
1796 #
1797 # Since: 1.2
1798 ##
1799 { 'command': 'qom-get',
1800 'data': { 'path': 'str', 'property': 'str' },
1801 'returns': 'visitor',
1802 'gen': 'no' }
1803
1804 ##
1805 # @qom-set:
1806 #
1807 # This command will set a property from a object model path.
1808 #
1809 # @path: see @qom-get for a description of this parameter
1810 #
1811 # @property: the property name to set
1812 #
1813 # @value: a value who's type is appropriate for the property type. See @qom-get
1814 # for a description of type mapping.
1815 #
1816 # Since: 1.2
1817 ##
1818 { 'command': 'qom-set',
1819 'data': { 'path': 'str', 'property': 'str', 'value': 'visitor' },
1820 'gen': 'no' }
1821
1822 ##
1823 # @set_password:
1824 #
1825 # Sets the password of a remote display session.
1826 #
1827 # @protocol: `vnc' to modify the VNC server password
1828 # `spice' to modify the Spice server password
1829 #
1830 # @password: the new password
1831 #
1832 # @connected: #optional how to handle existing clients when changing the
1833 # password. If nothing is specified, defaults to `keep'
1834 # `fail' to fail the command if clients are connected
1835 # `disconnect' to disconnect existing clients
1836 # `keep' to maintain existing clients
1837 #
1838 # Returns: Nothing on success
1839 # If Spice is not enabled, DeviceNotFound
1840 #
1841 # Since: 0.14.0
1842 ##
1843 { 'command': 'set_password',
1844 'data': {'protocol': 'str', 'password': 'str', '*connected': 'str'} }
1845
1846 ##
1847 # @expire_password:
1848 #
1849 # Expire the password of a remote display server.
1850 #
1851 # @protocol: the name of the remote display protocol `vnc' or `spice'
1852 #
1853 # @time: when to expire the password.
1854 # `now' to expire the password immediately
1855 # `never' to cancel password expiration
1856 # `+INT' where INT is the number of seconds from now (integer)
1857 # `INT' where INT is the absolute time in seconds
1858 #
1859 # Returns: Nothing on success
1860 # If @protocol is `spice' and Spice is not active, DeviceNotFound
1861 #
1862 # Since: 0.14.0
1863 #
1864 # Notes: Time is relative to the server and currently there is no way to
1865 # coordinate server time with client time. It is not recommended to
1866 # use the absolute time version of the @time parameter unless you're
1867 # sure you are on the same machine as the QEMU instance.
1868 ##
1869 { 'command': 'expire_password', 'data': {'protocol': 'str', 'time': 'str'} }
1870
1871 ##
1872 # @eject:
1873 #
1874 # Ejects a device from a removable drive.
1875 #
1876 # @device: The name of the device
1877 #
1878 # @force: @optional If true, eject regardless of whether the drive is locked.
1879 # If not specified, the default value is false.
1880 #
1881 # Returns: Nothing on success
1882 # If @device is not a valid block device, DeviceNotFound
1883 #
1884 # Notes: Ejecting a device will no media results in success
1885 #
1886 # Since: 0.14.0
1887 ##
1888 { 'command': 'eject', 'data': {'device': 'str', '*force': 'bool'} }
1889
1890 ##
1891 # @change-vnc-password:
1892 #
1893 # Change the VNC server password.
1894 #
1895 # @target: the new password to use with VNC authentication
1896 #
1897 # Since: 1.1
1898 #
1899 # Notes: An empty password in this command will set the password to the empty
1900 # string. Existing clients are unaffected by executing this command.
1901 ##
1902 { 'command': 'change-vnc-password', 'data': {'password': 'str'} }
1903
1904 ##
1905 # @change:
1906 #
1907 # This command is multiple commands multiplexed together.
1908 #
1909 # @device: This is normally the name of a block device but it may also be 'vnc'.
1910 # when it's 'vnc', then sub command depends on @target
1911 #
1912 # @target: If @device is a block device, then this is the new filename.
1913 # If @device is 'vnc', then if the value 'password' selects the vnc
1914 # change password command. Otherwise, this specifies a new server URI
1915 # address to listen to for VNC connections.
1916 #
1917 # @arg: If @device is a block device, then this is an optional format to open
1918 # the device with.
1919 # If @device is 'vnc' and @target is 'password', this is the new VNC
1920 # password to set. If this argument is an empty string, then no future
1921 # logins will be allowed.
1922 #
1923 # Returns: Nothing on success.
1924 # If @device is not a valid block device, DeviceNotFound
1925 # If the new block device is encrypted, DeviceEncrypted. Note that
1926 # if this error is returned, the device has been opened successfully
1927 # and an additional call to @block_passwd is required to set the
1928 # device's password. The behavior of reads and writes to the block
1929 # device between when these calls are executed is undefined.
1930 #
1931 # Notes: It is strongly recommended that this interface is not used especially
1932 # for changing block devices.
1933 #
1934 # Since: 0.14.0
1935 ##
1936 { 'command': 'change',
1937 'data': {'device': 'str', 'target': 'str', '*arg': 'str'} }
1938
1939 ##
1940 # @block_set_io_throttle:
1941 #
1942 # Change I/O throttle limits for a block drive.
1943 #
1944 # @device: The name of the device
1945 #
1946 # @bps: total throughput limit in bytes per second
1947 #
1948 # @bps_rd: read throughput limit in bytes per second
1949 #
1950 # @bps_wr: write throughput limit in bytes per second
1951 #
1952 # @iops: total I/O operations per second
1953 #
1954 # @ops_rd: read I/O operations per second
1955 #
1956 # @iops_wr: write I/O operations per second
1957 #
1958 # Returns: Nothing on success
1959 # If @device is not a valid block device, DeviceNotFound
1960 #
1961 # Since: 1.1
1962 ##
1963 { 'command': 'block_set_io_throttle',
1964 'data': { 'device': 'str', 'bps': 'int', 'bps_rd': 'int', 'bps_wr': 'int',
1965 'iops': 'int', 'iops_rd': 'int', 'iops_wr': 'int' } }
1966
1967 ##
1968 # @block-stream:
1969 #
1970 # Copy data from a backing file into a block device.
1971 #
1972 # The block streaming operation is performed in the background until the entire
1973 # backing file has been copied. This command returns immediately once streaming
1974 # has started. The status of ongoing block streaming operations can be checked
1975 # with query-block-jobs. The operation can be stopped before it has completed
1976 # using the block-job-cancel command.
1977 #
1978 # If a base file is specified then sectors are not copied from that base file and
1979 # its backing chain. When streaming completes the image file will have the base
1980 # file as its backing file. This can be used to stream a subset of the backing
1981 # file chain instead of flattening the entire image.
1982 #
1983 # On successful completion the image file is updated to drop the backing file
1984 # and the BLOCK_JOB_COMPLETED event is emitted.
1985 #
1986 # @device: the device name
1987 #
1988 # @base: #optional the common backing file name
1989 #
1990 # @speed: #optional the maximum speed, in bytes per second
1991 #
1992 # @on-error: #optional the action to take on an error (default report).
1993 # 'stop' and 'enospc' can only be used if the block device
1994 # supports io-status (see BlockInfo). Since 1.3.
1995 #
1996 # Returns: Nothing on success
1997 # If @device does not exist, DeviceNotFound
1998 #
1999 # Since: 1.1
2000 ##
2001 { 'command': 'block-stream',
2002 'data': { 'device': 'str', '*base': 'str', '*speed': 'int',
2003 '*on-error': 'BlockdevOnError' } }
2004
2005 ##
2006 # @block-job-set-speed:
2007 #
2008 # Set maximum speed for a background block operation.
2009 #
2010 # This command can only be issued when there is an active block job.
2011 #
2012 # Throttling can be disabled by setting the speed to 0.
2013 #
2014 # @device: the device name
2015 #
2016 # @speed: the maximum speed, in bytes per second, or 0 for unlimited.
2017 # Defaults to 0.
2018 #
2019 # Returns: Nothing on success
2020 # If no background operation is active on this device, DeviceNotActive
2021 #
2022 # Since: 1.1
2023 ##
2024 { 'command': 'block-job-set-speed',
2025 'data': { 'device': 'str', 'speed': 'int' } }
2026
2027 ##
2028 # @block-job-cancel:
2029 #
2030 # Stop an active background block operation.
2031 #
2032 # This command returns immediately after marking the active background block
2033 # operation for cancellation. It is an error to call this command if no
2034 # operation is in progress.
2035 #
2036 # The operation will cancel as soon as possible and then emit the
2037 # BLOCK_JOB_CANCELLED event. Before that happens the job is still visible when
2038 # enumerated using query-block-jobs.
2039 #
2040 # For streaming, the image file retains its backing file unless the streaming
2041 # operation happens to complete just as it is being cancelled. A new streaming
2042 # operation can be started at a later time to finish copying all data from the
2043 # backing file.
2044 #
2045 # @device: the device name
2046 #
2047 # @force: #optional whether to allow cancellation of a paused job (default
2048 # false). Since 1.3.
2049 #
2050 # Returns: Nothing on success
2051 # If no background operation is active on this device, DeviceNotActive
2052 #
2053 # Since: 1.1
2054 ##
2055 { 'command': 'block-job-cancel', 'data': { 'device': 'str', '*force': 'bool' } }
2056
2057 ##
2058 # @block-job-pause:
2059 #
2060 # Pause an active background block operation.
2061 #
2062 # This command returns immediately after marking the active background block
2063 # operation for pausing. It is an error to call this command if no
2064 # operation is in progress. Pausing an already paused job has no cumulative
2065 # effect; a single block-job-resume command will resume the job.
2066 #
2067 # The operation will pause as soon as possible. No event is emitted when
2068 # the operation is actually paused. Cancelling a paused job automatically
2069 # resumes it.
2070 #
2071 # @device: the device name
2072 #
2073 # Returns: Nothing on success
2074 # If no background operation is active on this device, DeviceNotActive
2075 #
2076 # Since: 1.3
2077 ##
2078 { 'command': 'block-job-pause', 'data': { 'device': 'str' } }
2079
2080 ##
2081 # @block-job-resume:
2082 #
2083 # Resume an active background block operation.
2084 #
2085 # This command returns immediately after resuming a paused background block
2086 # operation. It is an error to call this command if no operation is in
2087 # progress. Resuming an already running job is not an error.
2088 #
2089 # This command also clears the error status of the job.
2090 #
2091 # @device: the device name
2092 #
2093 # Returns: Nothing on success
2094 # If no background operation is active on this device, DeviceNotActive
2095 #
2096 # Since: 1.3
2097 ##
2098 { 'command': 'block-job-resume', 'data': { 'device': 'str' } }
2099
2100 ##
2101 # @block-job-complete:
2102 #
2103 # Manually trigger completion of an active background block operation. This
2104 # is supported for drive mirroring, where it also switches the device to
2105 # write to the target path only. The ability to complete is signaled with
2106 # a BLOCK_JOB_READY event.
2107 #
2108 # This command completes an active background block operation synchronously.
2109 # The ordering of this command's return with the BLOCK_JOB_COMPLETED event
2110 # is not defined. Note that if an I/O error occurs during the processing of
2111 # this command: 1) the command itself will fail; 2) the error will be processed
2112 # according to the rerror/werror arguments that were specified when starting
2113 # the operation.
2114 #
2115 # A cancelled or paused job cannot be completed.
2116 #
2117 # @device: the device name
2118 #
2119 # Returns: Nothing on success
2120 # If no background operation is active on this device, DeviceNotActive
2121 #
2122 # Since: 1.3
2123 ##
2124 { 'command': 'block-job-complete', 'data': { 'device': 'str' } }
2125
2126 ##
2127 # @ObjectTypeInfo:
2128 #
2129 # This structure describes a search result from @qom-list-types
2130 #
2131 # @name: the type name found in the search
2132 #
2133 # Since: 1.1
2134 #
2135 # Notes: This command is experimental and may change syntax in future releases.
2136 ##
2137 { 'type': 'ObjectTypeInfo',
2138 'data': { 'name': 'str' } }
2139
2140 ##
2141 # @qom-list-types:
2142 #
2143 # This command will return a list of types given search parameters
2144 #
2145 # @implements: if specified, only return types that implement this type name
2146 #
2147 # @abstract: if true, include abstract types in the results
2148 #
2149 # Returns: a list of @ObjectTypeInfo or an empty list if no results are found
2150 #
2151 # Since: 1.1
2152 ##
2153 { 'command': 'qom-list-types',
2154 'data': { '*implements': 'str', '*abstract': 'bool' },
2155 'returns': [ 'ObjectTypeInfo' ] }
2156
2157 ##
2158 # @DevicePropertyInfo:
2159 #
2160 # Information about device properties.
2161 #
2162 # @name: the name of the property
2163 # @type: the typename of the property
2164 #
2165 # Since: 1.2
2166 ##
2167 { 'type': 'DevicePropertyInfo',
2168 'data': { 'name': 'str', 'type': 'str' } }
2169
2170 ##
2171 # @device-list-properties:
2172 #
2173 # List properties associated with a device.
2174 #
2175 # @typename: the type name of a device
2176 #
2177 # Returns: a list of DevicePropertyInfo describing a devices properties
2178 #
2179 # Since: 1.2
2180 ##
2181 { 'command': 'device-list-properties',
2182 'data': { 'typename': 'str'},
2183 'returns': [ 'DevicePropertyInfo' ] }
2184
2185 ##
2186 # @migrate
2187 #
2188 # Migrates the current running guest to another Virtual Machine.
2189 #
2190 # @uri: the Uniform Resource Identifier of the destination VM
2191 #
2192 # @blk: #optional do block migration (full disk copy)
2193 #
2194 # @inc: #optional incremental disk copy migration
2195 #
2196 # @detach: this argument exists only for compatibility reasons and
2197 # is ignored by QEMU
2198 #
2199 # Returns: nothing on success
2200 #
2201 # Since: 0.14.0
2202 ##
2203 { 'command': 'migrate',
2204 'data': {'uri': 'str', '*blk': 'bool', '*inc': 'bool', '*detach': 'bool' } }
2205
2206 # @xen-save-devices-state:
2207 #
2208 # Save the state of all devices to file. The RAM and the block devices
2209 # of the VM are not saved by this command.
2210 #
2211 # @filename: the file to save the state of the devices to as binary
2212 # data. See xen-save-devices-state.txt for a description of the binary
2213 # format.
2214 #
2215 # Returns: Nothing on success
2216 #
2217 # Since: 1.1
2218 ##
2219 { 'command': 'xen-save-devices-state', 'data': {'filename': 'str'} }
2220
2221 ##
2222 # @xen-set-global-dirty-log
2223 #
2224 # Enable or disable the global dirty log mode.
2225 #
2226 # @enable: true to enable, false to disable.
2227 #
2228 # Returns: nothing
2229 #
2230 # Since: 1.3
2231 ##
2232 { 'command': 'xen-set-global-dirty-log', 'data': { 'enable': 'bool' } }
2233
2234 ##
2235 # @device_del:
2236 #
2237 # Remove a device from a guest
2238 #
2239 # @id: the name of the device
2240 #
2241 # Returns: Nothing on success
2242 # If @id is not a valid device, DeviceNotFound
2243 #
2244 # Notes: When this command completes, the device may not be removed from the
2245 # guest. Hot removal is an operation that requires guest cooperation.
2246 # This command merely requests that the guest begin the hot removal
2247 # process.
2248 #
2249 # Since: 0.14.0
2250 ##
2251 { 'command': 'device_del', 'data': {'id': 'str'} }
2252
2253 ##
2254 # @dump-guest-memory
2255 #
2256 # Dump guest's memory to vmcore. It is a synchronous operation that can take
2257 # very long depending on the amount of guest memory. This command is only
2258 # supported on i386 and x86_64.
2259 #
2260 # @paging: if true, do paging to get guest's memory mapping. This allows
2261 # using gdb to process the core file.
2262 #
2263 # IMPORTANT: this option can make QEMU allocate several gigabytes
2264 # of RAM. This can happen for a large guest, or a
2265 # malicious guest pretending to be large.
2266 #
2267 # Also, paging=true has the following limitations:
2268 #
2269 # 1. The guest may be in a catastrophic state or can have corrupted
2270 # memory, which cannot be trusted
2271 # 2. The guest can be in real-mode even if paging is enabled. For
2272 # example, the guest uses ACPI to sleep, and ACPI sleep state
2273 # goes in real-mode
2274 #
2275 # @protocol: the filename or file descriptor of the vmcore. The supported
2276 # protocols are:
2277 #
2278 # 1. file: the protocol starts with "file:", and the following
2279 # string is the file's path.
2280 # 2. fd: the protocol starts with "fd:", and the following string
2281 # is the fd's name.
2282 #
2283 # @begin: #optional if specified, the starting physical address.
2284 #
2285 # @length: #optional if specified, the memory size, in bytes. If you don't
2286 # want to dump all guest's memory, please specify the start @begin
2287 # and @length
2288 #
2289 # Returns: nothing on success
2290 #
2291 # Since: 1.2
2292 ##
2293 { 'command': 'dump-guest-memory',
2294 'data': { 'paging': 'bool', 'protocol': 'str', '*begin': 'int',
2295 '*length': 'int' } }
2296
2297 ##
2298 # @netdev_add:
2299 #
2300 # Add a network backend.
2301 #
2302 # @type: the type of network backend. Current valid values are 'user', 'tap',
2303 # 'vde', 'socket', 'dump' and 'bridge'
2304 #
2305 # @id: the name of the new network backend
2306 #
2307 # @props: #optional a list of properties to be passed to the backend in
2308 # the format 'name=value', like 'ifname=tap0,script=no'
2309 #
2310 # Notes: The semantics of @props is not well defined. Future commands will be
2311 # introduced that provide stronger typing for backend creation.
2312 #
2313 # Since: 0.14.0
2314 #
2315 # Returns: Nothing on success
2316 # If @type is not a valid network backend, DeviceNotFound
2317 ##
2318 { 'command': 'netdev_add',
2319 'data': {'type': 'str', 'id': 'str', '*props': '**'},
2320 'gen': 'no' }
2321
2322 ##
2323 # @netdev_del:
2324 #
2325 # Remove a network backend.
2326 #
2327 # @id: the name of the network backend to remove
2328 #
2329 # Returns: Nothing on success
2330 # If @id is not a valid network backend, DeviceNotFound
2331 #
2332 # Since: 0.14.0
2333 ##
2334 { 'command': 'netdev_del', 'data': {'id': 'str'} }
2335
2336 ##
2337 # @NetdevNoneOptions
2338 #
2339 # Use it alone to have zero network devices.
2340 #
2341 # Since 1.2
2342 ##
2343 { 'type': 'NetdevNoneOptions',
2344 'data': { } }
2345
2346 ##
2347 # @NetLegacyNicOptions
2348 #
2349 # Create a new Network Interface Card.
2350 #
2351 # @netdev: #optional id of -netdev to connect to
2352 #
2353 # @macaddr: #optional MAC address
2354 #
2355 # @model: #optional device model (e1000, rtl8139, virtio etc.)
2356 #
2357 # @addr: #optional PCI device address
2358 #
2359 # @vectors: #optional number of MSI-x vectors, 0 to disable MSI-X
2360 #
2361 # Since 1.2
2362 ##
2363 { 'type': 'NetLegacyNicOptions',
2364 'data': {
2365 '*netdev': 'str',
2366 '*macaddr': 'str',
2367 '*model': 'str',
2368 '*addr': 'str',
2369 '*vectors': 'uint32' } }
2370
2371 ##
2372 # @String
2373 #
2374 # A fat type wrapping 'str', to be embedded in lists.
2375 #
2376 # Since 1.2
2377 ##
2378 { 'type': 'String',
2379 'data': {
2380 'str': 'str' } }
2381
2382 ##
2383 # @NetdevUserOptions
2384 #
2385 # Use the user mode network stack which requires no administrator privilege to
2386 # run.
2387 #
2388 # @hostname: #optional client hostname reported by the builtin DHCP server
2389 #
2390 # @restrict: #optional isolate the guest from the host
2391 #
2392 # @ip: #optional legacy parameter, use net= instead
2393 #
2394 # @net: #optional IP address and optional netmask
2395 #
2396 # @host: #optional guest-visible address of the host
2397 #
2398 # @tftp: #optional root directory of the built-in TFTP server
2399 #
2400 # @bootfile: #optional BOOTP filename, for use with tftp=
2401 #
2402 # @dhcpstart: #optional the first of the 16 IPs the built-in DHCP server can
2403 # assign
2404 #
2405 # @dns: #optional guest-visible address of the virtual nameserver
2406 #
2407 # @dnssearch: #optional list of DNS suffixes to search, passed as DHCP option
2408 # to the guest
2409 #
2410 # @smb: #optional root directory of the built-in SMB server
2411 #
2412 # @smbserver: #optional IP address of the built-in SMB server
2413 #
2414 # @hostfwd: #optional redirect incoming TCP or UDP host connections to guest
2415 # endpoints
2416 #
2417 # @guestfwd: #optional forward guest TCP connections
2418 #
2419 # Since 1.2
2420 ##
2421 { 'type': 'NetdevUserOptions',
2422 'data': {
2423 '*hostname': 'str',
2424 '*restrict': 'bool',
2425 '*ip': 'str',
2426 '*net': 'str',
2427 '*host': 'str',
2428 '*tftp': 'str',
2429 '*bootfile': 'str',
2430 '*dhcpstart': 'str',
2431 '*dns': 'str',
2432 '*dnssearch': ['String'],
2433 '*smb': 'str',
2434 '*smbserver': 'str',
2435 '*hostfwd': ['String'],
2436 '*guestfwd': ['String'] } }
2437
2438 ##
2439 # @NetdevTapOptions
2440 #
2441 # Connect the host TAP network interface name to the VLAN.
2442 #
2443 # @ifname: #optional interface name
2444 #
2445 # @fd: #optional file descriptor of an already opened tap
2446 #
2447 # @script: #optional script to initialize the interface
2448 #
2449 # @downscript: #optional script to shut down the interface
2450 #
2451 # @helper: #optional command to execute to configure bridge
2452 #
2453 # @sndbuf: #optional send buffer limit. Understands [TGMKkb] suffixes.
2454 #
2455 # @vnet_hdr: #optional enable the IFF_VNET_HDR flag on the tap interface
2456 #
2457 # @vhost: #optional enable vhost-net network accelerator
2458 #
2459 # @vhostfd: #optional file descriptor of an already opened vhost net device
2460 #
2461 # @vhostforce: #optional vhost on for non-MSIX virtio guests
2462 #
2463 # Since 1.2
2464 ##
2465 { 'type': 'NetdevTapOptions',
2466 'data': {
2467 '*ifname': 'str',
2468 '*fd': 'str',
2469 '*script': 'str',
2470 '*downscript': 'str',
2471 '*helper': 'str',
2472 '*sndbuf': 'size',
2473 '*vnet_hdr': 'bool',
2474 '*vhost': 'bool',
2475 '*vhostfd': 'str',
2476 '*vhostforce': 'bool' } }
2477
2478 ##
2479 # @NetdevSocketOptions
2480 #
2481 # Connect the VLAN to a remote VLAN in another QEMU virtual machine using a TCP
2482 # socket connection.
2483 #
2484 # @fd: #optional file descriptor of an already opened socket
2485 #
2486 # @listen: #optional port number, and optional hostname, to listen on
2487 #
2488 # @connect: #optional port number, and optional hostname, to connect to
2489 #
2490 # @mcast: #optional UDP multicast address and port number
2491 #
2492 # @localaddr: #optional source address and port for multicast and udp packets
2493 #
2494 # @udp: #optional UDP unicast address and port number
2495 #
2496 # Since 1.2
2497 ##
2498 { 'type': 'NetdevSocketOptions',
2499 'data': {
2500 '*fd': 'str',
2501 '*listen': 'str',
2502 '*connect': 'str',
2503 '*mcast': 'str',
2504 '*localaddr': 'str',
2505 '*udp': 'str' } }
2506
2507 ##
2508 # @NetdevVdeOptions
2509 #
2510 # Connect the VLAN to a vde switch running on the host.
2511 #
2512 # @sock: #optional socket path
2513 #
2514 # @port: #optional port number
2515 #
2516 # @group: #optional group owner of socket
2517 #
2518 # @mode: #optional permissions for socket
2519 #
2520 # Since 1.2
2521 ##
2522 { 'type': 'NetdevVdeOptions',
2523 'data': {
2524 '*sock': 'str',
2525 '*port': 'uint16',
2526 '*group': 'str',
2527 '*mode': 'uint16' } }
2528
2529 ##
2530 # @NetdevDumpOptions
2531 #
2532 # Dump VLAN network traffic to a file.
2533 #
2534 # @len: #optional per-packet size limit (64k default). Understands [TGMKkb]
2535 # suffixes.
2536 #
2537 # @file: #optional dump file path (default is qemu-vlan0.pcap)
2538 #
2539 # Since 1.2
2540 ##
2541 { 'type': 'NetdevDumpOptions',
2542 'data': {
2543 '*len': 'size',
2544 '*file': 'str' } }
2545
2546 ##
2547 # @NetdevBridgeOptions
2548 #
2549 # Connect a host TAP network interface to a host bridge device.
2550 #
2551 # @br: #optional bridge name
2552 #
2553 # @helper: #optional command to execute to configure bridge
2554 #
2555 # Since 1.2
2556 ##
2557 { 'type': 'NetdevBridgeOptions',
2558 'data': {
2559 '*br': 'str',
2560 '*helper': 'str' } }
2561
2562 ##
2563 # @NetdevHubPortOptions
2564 #
2565 # Connect two or more net clients through a software hub.
2566 #
2567 # @hubid: hub identifier number
2568 #
2569 # Since 1.2
2570 ##
2571 { 'type': 'NetdevHubPortOptions',
2572 'data': {
2573 'hubid': 'int32' } }
2574
2575 ##
2576 # @NetClientOptions
2577 #
2578 # A discriminated record of network device traits.
2579 #
2580 # Since 1.2
2581 ##
2582 { 'union': 'NetClientOptions',
2583 'data': {
2584 'none': 'NetdevNoneOptions',
2585 'nic': 'NetLegacyNicOptions',
2586 'user': 'NetdevUserOptions',
2587 'tap': 'NetdevTapOptions',
2588 'socket': 'NetdevSocketOptions',
2589 'vde': 'NetdevVdeOptions',
2590 'dump': 'NetdevDumpOptions',
2591 'bridge': 'NetdevBridgeOptions',
2592 'hubport': 'NetdevHubPortOptions' } }
2593
2594 ##
2595 # @NetLegacy
2596 #
2597 # Captures the configuration of a network device; legacy.
2598 #
2599 # @vlan: #optional vlan number
2600 #
2601 # @id: #optional identifier for monitor commands
2602 #
2603 # @name: #optional identifier for monitor commands, ignored if @id is present
2604 #
2605 # @opts: device type specific properties (legacy)
2606 #
2607 # Since 1.2
2608 ##
2609 { 'type': 'NetLegacy',
2610 'data': {
2611 '*vlan': 'int32',
2612 '*id': 'str',
2613 '*name': 'str',
2614 'opts': 'NetClientOptions' } }
2615
2616 ##
2617 # @Netdev
2618 #
2619 # Captures the configuration of a network device.
2620 #
2621 # @id: identifier for monitor commands.
2622 #
2623 # @opts: device type specific properties
2624 #
2625 # Since 1.2
2626 ##
2627 { 'type': 'Netdev',
2628 'data': {
2629 'id': 'str',
2630 'opts': 'NetClientOptions' } }
2631
2632 ##
2633 # @InetSocketAddress
2634 #
2635 # Captures a socket address or address range in the Internet namespace.
2636 #
2637 # @host: host part of the address
2638 #
2639 # @port: port part of the address, or lowest port if @to is present
2640 #
2641 # @to: highest port to try
2642 #
2643 # @ipv4: whether to accept IPv4 addresses, default try both IPv4 and IPv6
2644 # #optional
2645 #
2646 # @ipv6: whether to accept IPv6 addresses, default try both IPv4 and IPv6
2647 # #optional
2648 #
2649 # Since 1.3
2650 ##
2651 { 'type': 'InetSocketAddress',
2652 'data': {
2653 'host': 'str',
2654 'port': 'str',
2655 '*to': 'uint16',
2656 '*ipv4': 'bool',
2657 '*ipv6': 'bool' } }
2658
2659 ##
2660 # @UnixSocketAddress
2661 #
2662 # Captures a socket address in the local ("Unix socket") namespace.
2663 #
2664 # @path: filesystem path to use
2665 #
2666 # Since 1.3
2667 ##
2668 { 'type': 'UnixSocketAddress',
2669 'data': {
2670 'path': 'str' } }
2671
2672 ##
2673 # @SocketAddress
2674 #
2675 # Captures the address of a socket, which could also be a named file descriptor
2676 #
2677 # Since 1.3
2678 ##
2679 { 'union': 'SocketAddress',
2680 'data': {
2681 'inet': 'InetSocketAddress',
2682 'unix': 'UnixSocketAddress',
2683 'fd': 'String' } }
2684
2685 ##
2686 # @getfd:
2687 #
2688 # Receive a file descriptor via SCM rights and assign it a name
2689 #
2690 # @fdname: file descriptor name
2691 #
2692 # Returns: Nothing on success
2693 #
2694 # Since: 0.14.0
2695 #
2696 # Notes: If @fdname already exists, the file descriptor assigned to
2697 # it will be closed and replaced by the received file
2698 # descriptor.
2699 # The 'closefd' command can be used to explicitly close the
2700 # file descriptor when it is no longer needed.
2701 ##
2702 { 'command': 'getfd', 'data': {'fdname': 'str'} }
2703
2704 ##
2705 # @closefd:
2706 #
2707 # Close a file descriptor previously passed via SCM rights
2708 #
2709 # @fdname: file descriptor name
2710 #
2711 # Returns: Nothing on success
2712 #
2713 # Since: 0.14.0
2714 ##
2715 { 'command': 'closefd', 'data': {'fdname': 'str'} }
2716
2717 ##
2718 # @MachineInfo:
2719 #
2720 # Information describing a machine.
2721 #
2722 # @name: the name of the machine
2723 #
2724 # @alias: #optional an alias for the machine name
2725 #
2726 # @default: #optional whether the machine is default
2727 #
2728 # Since: 1.2.0
2729 ##
2730 { 'type': 'MachineInfo',
2731 'data': { 'name': 'str', '*alias': 'str',
2732 '*is-default': 'bool' } }
2733
2734 ##
2735 # @query-machines:
2736 #
2737 # Return a list of supported machines
2738 #
2739 # Returns: a list of MachineInfo
2740 #
2741 # Since: 1.2.0
2742 ##
2743 { 'command': 'query-machines', 'returns': ['MachineInfo'] }
2744
2745 ##
2746 # @CpuDefinitionInfo:
2747 #
2748 # Virtual CPU definition.
2749 #
2750 # @name: the name of the CPU definition
2751 #
2752 # Since: 1.2.0
2753 ##
2754 { 'type': 'CpuDefinitionInfo',
2755 'data': { 'name': 'str' } }
2756
2757 ##
2758 # @query-cpu-definitions:
2759 #
2760 # Return a list of supported virtual CPU definitions
2761 #
2762 # Returns: a list of CpuDefInfo
2763 #
2764 # Since: 1.2.0
2765 ##
2766 { 'command': 'query-cpu-definitions', 'returns': ['CpuDefinitionInfo'] }
2767
2768 # @AddfdInfo:
2769 #
2770 # Information about a file descriptor that was added to an fd set.
2771 #
2772 # @fdset-id: The ID of the fd set that @fd was added to.
2773 #
2774 # @fd: The file descriptor that was received via SCM rights and
2775 # added to the fd set.
2776 #
2777 # Since: 1.2.0
2778 ##
2779 { 'type': 'AddfdInfo', 'data': {'fdset-id': 'int', 'fd': 'int'} }
2780
2781 ##
2782 # @add-fd:
2783 #
2784 # Add a file descriptor, that was passed via SCM rights, to an fd set.
2785 #
2786 # @fdset-id: #optional The ID of the fd set to add the file descriptor to.
2787 #
2788 # @opaque: #optional A free-form string that can be used to describe the fd.
2789 #
2790 # Returns: @AddfdInfo on success
2791 # If file descriptor was not received, FdNotSupplied
2792 # If @fdset-id is a negative value, InvalidParameterValue
2793 #
2794 # Notes: The list of fd sets is shared by all monitor connections.
2795 #
2796 # If @fdset-id is not specified, a new fd set will be created.
2797 #
2798 # Since: 1.2.0
2799 ##
2800 { 'command': 'add-fd', 'data': {'*fdset-id': 'int', '*opaque': 'str'},
2801 'returns': 'AddfdInfo' }
2802
2803 ##
2804 # @remove-fd:
2805 #
2806 # Remove a file descriptor from an fd set.
2807 #
2808 # @fdset-id: The ID of the fd set that the file descriptor belongs to.
2809 #
2810 # @fd: #optional The file descriptor that is to be removed.
2811 #
2812 # Returns: Nothing on success
2813 # If @fdset-id or @fd is not found, FdNotFound
2814 #
2815 # Since: 1.2.0
2816 #
2817 # Notes: The list of fd sets is shared by all monitor connections.
2818 #
2819 # If @fd is not specified, all file descriptors in @fdset-id
2820 # will be removed.
2821 ##
2822 { 'command': 'remove-fd', 'data': {'fdset-id': 'int', '*fd': 'int'} }
2823
2824 ##
2825 # @FdsetFdInfo:
2826 #
2827 # Information about a file descriptor that belongs to an fd set.
2828 #
2829 # @fd: The file descriptor value.
2830 #
2831 # @opaque: #optional A free-form string that can be used to describe the fd.
2832 #
2833 # Since: 1.2.0
2834 ##
2835 { 'type': 'FdsetFdInfo',
2836 'data': {'fd': 'int', '*opaque': 'str'} }
2837
2838 ##
2839 # @FdsetInfo:
2840 #
2841 # Information about an fd set.
2842 #
2843 # @fdset-id: The ID of the fd set.
2844 #
2845 # @fds: A list of file descriptors that belong to this fd set.
2846 #
2847 # Since: 1.2.0
2848 ##
2849 { 'type': 'FdsetInfo',
2850 'data': {'fdset-id': 'int', 'fds': ['FdsetFdInfo']} }
2851
2852 ##
2853 # @query-fdsets:
2854 #
2855 # Return information describing all fd sets.
2856 #
2857 # Returns: A list of @FdsetInfo
2858 #
2859 # Since: 1.2.0
2860 #
2861 # Note: The list of fd sets is shared by all monitor connections.
2862 #
2863 ##
2864 { 'command': 'query-fdsets', 'returns': ['FdsetInfo'] }
2865
2866 ##
2867 # @TargetType
2868 #
2869 # Target CPU emulation type
2870 #
2871 # These parameters correspond to the softmmu binary CPU name that is currently
2872 # running.
2873 #
2874 # Since: 1.2.0
2875 ##
2876 { 'enum': 'TargetType',
2877 'data': [ 'alpha', 'arm', 'cris', 'i386', 'lm32', 'm68k', 'microblazeel',
2878 'microblaze', 'mips64el', 'mips64', 'mipsel', 'mips', 'or32',
2879 'ppc64', 'ppcemb', 'ppc', 's390x', 'sh4eb', 'sh4', 'sparc64',
2880 'sparc', 'unicore32', 'x86_64', 'xtensaeb', 'xtensa' ] }
2881
2882 ##
2883 # @TargetInfo:
2884 #
2885 # Information describing the QEMU target.
2886 #
2887 # @arch: the target architecture (eg "x86_64", "i386", etc)
2888 #
2889 # Since: 1.2.0
2890 ##
2891 { 'type': 'TargetInfo',
2892 'data': { 'arch': 'TargetType' } }
2893
2894 ##
2895 # @query-target:
2896 #
2897 # Return information about the target for this QEMU
2898 #
2899 # Returns: TargetInfo
2900 #
2901 # Since: 1.2.0
2902 ##
2903 { 'command': 'query-target', 'returns': 'TargetInfo' }
2904
2905 ##
2906 # @QKeyCode:
2907 #
2908 # An enumeration of key name.
2909 #
2910 # This is used by the send-key command.
2911 #
2912 # Since: 1.3.0
2913 ##
2914 { 'enum': 'QKeyCode',
2915 'data': [ 'shift', 'shift_r', 'alt', 'alt_r', 'altgr', 'altgr_r', 'ctrl',
2916 'ctrl_r', 'menu', 'esc', '1', '2', '3', '4', '5', '6', '7', '8',
2917 '9', '0', 'minus', 'equal', 'backspace', 'tab', 'q', 'w', 'e',
2918 'r', 't', 'y', 'u', 'i', 'o', 'p', 'bracket_left', 'bracket_right',
2919 'ret', 'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'semicolon',
2920 'apostrophe', 'grave_accent', 'backslash', 'z', 'x', 'c', 'v', 'b',
2921 'n', 'm', 'comma', 'dot', 'slash', 'asterisk', 'spc', 'caps_lock',
2922 'f1', 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10',
2923 'num_lock', 'scroll_lock', 'kp_divide', 'kp_multiply',
2924 'kp_subtract', 'kp_add', 'kp_enter', 'kp_decimal', 'sysrq', 'kp_0',
2925 'kp_1', 'kp_2', 'kp_3', 'kp_4', 'kp_5', 'kp_6', 'kp_7', 'kp_8',
2926 'kp_9', 'less', 'f11', 'f12', 'print', 'home', 'pgup', 'pgdn', 'end',
2927 'left', 'up', 'down', 'right', 'insert', 'delete', 'stop', 'again',
2928 'props', 'undo', 'front', 'copy', 'open', 'paste', 'find', 'cut',
2929 'lf', 'help', 'meta_l', 'meta_r', 'compose' ] }
2930
2931 ##
2932 # @KeyValue
2933 #
2934 # Represents a keyboard key.
2935 #
2936 # Since: 1.3.0
2937 ##
2938 { 'union': 'KeyValue',
2939 'data': {
2940 'number': 'int',
2941 'qcode': 'QKeyCode' } }
2942
2943 ##
2944 # @send-key:
2945 #
2946 # Send keys to guest.
2947 #
2948 # @keys: An array of @KeyValue elements. All @KeyValues in this array are
2949 # simultaneously sent to the guest. A @KeyValue.number value is sent
2950 # directly to the guest, while @KeyValue.qcode must be a valid
2951 # @QKeyCode value
2952 #
2953 # @hold-time: #optional time to delay key up events, milliseconds. Defaults
2954 # to 100
2955 #
2956 # Returns: Nothing on success
2957 # If key is unknown or redundant, InvalidParameter
2958 #
2959 # Since: 1.3.0
2960 #
2961 ##
2962 { 'command': 'send-key',
2963 'data': { 'keys': ['KeyValue'], '*hold-time': 'int' } }
2964
2965 ##
2966 # @screendump:
2967 #
2968 # Write a PPM of the VGA screen to a file.
2969 #
2970 # @filename: the path of a new PPM file to store the image
2971 #
2972 # Returns: Nothing on success
2973 #
2974 # Since: 0.14.0
2975 ##
2976 { 'command': 'screendump', 'data': {'filename': 'str'} }
2977
2978 ##
2979 # @nbd-server-start:
2980 #
2981 # Start an NBD server listening on the given host and port. Block
2982 # devices can then be exported using @nbd-server-add. The NBD
2983 # server will present them as named exports; for example, another
2984 # QEMU instance could refer to them as "nbd:HOST:PORT:exportname=NAME".
2985 #
2986 # @addr: Address on which to listen.
2987 #
2988 # Returns: error if the server is already running.
2989 #
2990 # Since: 1.3.0
2991 ##
2992 { 'command': 'nbd-server-start',
2993 'data': { 'addr': 'SocketAddress' } }
2994
2995 ##
2996 # @nbd-server-add:
2997 #
2998 # Export a device to QEMU's embedded NBD server.
2999 #
3000 # @device: Block device to be exported
3001 #
3002 # @writable: Whether clients should be able to write to the device via the
3003 # NBD connection (default false). #optional
3004 #
3005 # Returns: error if the device is already marked for export.
3006 #
3007 # Since: 1.3.0
3008 ##
3009 { 'command': 'nbd-server-add', 'data': {'device': 'str', '*writable': 'bool'} }
3010
3011 ##
3012 # @nbd-server-stop:
3013 #
3014 # Stop QEMU's embedded NBD server, and unregister all devices previously
3015 # added via @nbd-server-add.
3016 #
3017 # Since: 1.3.0
3018 ##
3019 { 'command': 'nbd-server-stop' }