9 { 'include': 'sockets.json' }
14 # Information about a character device.
16 # @label: the label of the character device
18 # @filename: the filename of the character device
20 # @frontend-open: shows whether the frontend device attached to this
21 # backend (e.g. with the chardev=... option) is in open or closed
24 # Notes: @filename is encoded using the QEMU command line character
25 # device encoding. See the QEMU man page for details.
29 { 'struct': 'ChardevInfo',
30 'data': { 'label': 'str',
32 'frontend-open': 'bool' } }
37 # Returns information about current character devices.
39 # Returns: a list of @ChardevInfo
45 # -> { "execute": "query-chardev" }
49 # "label": "charchannel0",
50 # "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.agent,server=on",
51 # "frontend-open": false
54 # "label": "charmonitor",
55 # "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.monitor,server=on",
56 # "frontend-open": true
59 # "label": "charserial0",
60 # "filename": "pty:/dev/pts/2",
61 # "frontend-open": true
66 { 'command': 'query-chardev', 'returns': ['ChardevInfo'],
67 'allow-preconfig': true }
70 # @ChardevBackendInfo:
72 # Information about a character device backend
74 # @name: The backend name
78 { 'struct': 'ChardevBackendInfo', 'data': {'name': 'str'} }
81 # @query-chardev-backends:
83 # Returns information about character device backends.
85 # Returns: a list of @ChardevBackendInfo
91 # -> { "execute": "query-chardev-backends" }
109 { 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] }
114 # An enumeration of data format.
116 # @utf8: Data is a UTF-8 string (RFC 3629)
118 # @base64: Data is Base64 encoded binary (RFC 3548)
122 { 'enum': 'DataFormat',
123 'data': [ 'utf8', 'base64' ] }
128 # Write to a ring buffer character device.
130 # @device: the ring buffer character device name
132 # @data: data to write
134 # @format: data encoding (default 'utf8').
136 # - base64: data must be base64 encoded text. Its binary decoding
138 # - utf8: data's UTF-8 encoding is written
139 # - data itself is always Unicode regardless of format, like any
142 # Returns: Nothing on success
148 # -> { "execute": "ringbuf-write",
149 # "arguments": { "device": "foo",
150 # "data": "abcdefgh",
151 # "format": "utf8" } }
152 # <- { "return": {} }
154 { 'command': 'ringbuf-write',
155 'data': { 'device': 'str',
157 '*format': 'DataFormat'} }
162 # Read from a ring buffer character device.
164 # @device: the ring buffer character device name
166 # @size: how many bytes to read at most
168 # @format: data encoding (default 'utf8').
170 # - base64: the data read is returned in base64 encoding.
171 # - utf8: the data read is interpreted as UTF-8.
172 # Bug: can screw up when the buffer contains invalid UTF-8
173 # sequences, NUL characters, after the ring buffer lost data,
174 # and when reading stops because the size limit is reached.
175 # - The return value is always Unicode regardless of format, like
178 # Returns: data read from the device
184 # -> { "execute": "ringbuf-read",
185 # "arguments": { "device": "foo",
187 # "format": "utf8" } }
188 # <- { "return": "abcdefgh" }
190 { 'command': 'ringbuf-read',
191 'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
197 # Configuration shared across all chardev backends
199 # @logfile: The name of a logfile to save output
201 # @logappend: true to append instead of truncate (default to false to
206 { 'struct': 'ChardevCommon',
207 'data': { '*logfile': 'str',
208 '*logappend': 'bool' } }
213 # Configuration info for file chardevs.
215 # @in: The name of the input file
217 # @out: The name of the output file
219 # @append: Open the file in append mode (default false to truncate)
224 { 'struct': 'ChardevFile',
225 'data': { '*in': 'str',
228 'base': 'ChardevCommon' }
233 # Configuration info for device and pipe chardevs.
235 # @device: The name of the special file for the device, i.e.
236 # /dev/ttyS0 on Unix or COM1: on Windows
240 { 'struct': 'ChardevHostdev',
241 'data': { 'device': 'str' },
242 'base': 'ChardevCommon' }
247 # Configuration info for (stream) socket chardevs.
249 # @addr: socket address to listen on (server=true) or connect to
252 # @tls-creds: the ID of the TLS credentials object (since 2.6)
254 # @tls-authz: the ID of the QAuthZ authorization object against which
255 # the client's x509 distinguished name will be validated. This
256 # object is only resolved at time of use, so can be deleted and
257 # recreated on the fly while the chardev server is active. If
258 # missing, it will default to denying access (since 4.0)
260 # @server: create server socket (default: true)
262 # @wait: wait for incoming connection on server sockets (default:
263 # false). Silently ignored with server: false. This use is
266 # @nodelay: set TCP_NODELAY socket option (default: false)
268 # @telnet: enable telnet protocol on server sockets (default: false)
270 # @tn3270: enable tn3270 protocol on server sockets (default: false)
273 # @websocket: enable websocket protocol on server sockets
274 # (default: false) (Since: 3.1)
276 # @reconnect: For a client socket, if a socket is disconnected, then
277 # attempt a reconnect after the given number of seconds. Setting
278 # this to zero disables this function. (default: 0) (Since: 2.2)
282 { 'struct': 'ChardevSocket',
283 'data': { 'addr': 'SocketAddressLegacy',
285 '*tls-authz' : 'str',
291 '*websocket': 'bool',
292 '*reconnect': 'int' },
293 'base': 'ChardevCommon' }
298 # Configuration info for datagram socket chardevs.
300 # @remote: remote address
302 # @local: local address
306 { 'struct': 'ChardevUdp',
307 'data': { 'remote': 'SocketAddressLegacy',
308 '*local': 'SocketAddressLegacy' },
309 'base': 'ChardevCommon' }
314 # Configuration info for mux chardevs.
316 # @chardev: name of the base chardev.
320 { 'struct': 'ChardevMux',
321 'data': { 'chardev': 'str' },
322 'base': 'ChardevCommon' }
327 # Configuration info for stdio chardevs.
329 # @signal: Allow signals (such as SIGINT triggered by ^C) be delivered
330 # to qemu. Default: true.
334 { 'struct': 'ChardevStdio',
335 'data': { '*signal': 'bool' },
336 'base': 'ChardevCommon' }
339 # @ChardevSpiceChannel:
341 # Configuration info for spice vm channel chardevs.
343 # @type: kind of channel (for example vdagent).
347 { 'struct': 'ChardevSpiceChannel',
348 'data': { 'type': 'str' },
349 'base': 'ChardevCommon',
350 'if': 'CONFIG_SPICE' }
355 # Configuration info for spice port chardevs.
357 # @fqdn: name of the channel (see docs/spice-port-fqdn.txt)
361 { 'struct': 'ChardevSpicePort',
362 'data': { 'fqdn': 'str' },
363 'base': 'ChardevCommon',
364 'if': 'CONFIG_SPICE' }
369 # Configuration info for DBus chardevs.
371 # @name: name of the channel (following docs/spice-port-fqdn.txt)
375 { 'struct': 'ChardevDBus',
376 'data': { 'name': 'str' },
377 'base': 'ChardevCommon',
378 'if': 'CONFIG_DBUS_DISPLAY' }
383 # Configuration info for virtual console chardevs.
385 # @width: console width, in pixels
387 # @height: console height, in pixels
389 # @cols: console width, in chars
391 # @rows: console height, in chars
393 # Note: the options are only effective when the VNC or SDL graphical
394 # display backend is active. They are ignored with the GTK,
395 # Spice, VNC and D-Bus display backends.
399 { 'struct': 'ChardevVC',
400 'data': { '*width': 'int',
404 'base': 'ChardevCommon' }
409 # Configuration info for ring buffer chardevs.
411 # @size: ring buffer size, must be power of two, default is 65536
415 { 'struct': 'ChardevRingbuf',
416 'data': { '*size': 'int' },
417 'base': 'ChardevCommon' }
420 # @ChardevQemuVDAgent:
422 # Configuration info for qemu vdagent implementation.
424 # @mouse: enable/disable mouse, default is enabled.
426 # @clipboard: enable/disable clipboard, default is disabled.
430 { 'struct': 'ChardevQemuVDAgent',
431 'data': { '*mouse': 'bool',
432 '*clipboard': 'bool' },
433 'base': 'ChardevCommon',
434 'if': 'CONFIG_SPICE_PROTOCOL' }
437 # @ChardevBackendKind:
445 # @msmouse: Since 1.5
447 # @wctablet: Since 2.9
449 # @braille: Since 1.5
451 # @testdev: Since 2.2
455 # @console: Since 1.5
457 # @spicevmc: Since 1.5
459 # @spiceport: Since 1.5
461 # @qemu-vdagent: Since 6.1
467 # @ringbuf: Since 1.6
473 # @deprecated: Member @memory is deprecated. Use @ringbuf instead.
477 { 'enum': 'ChardevBackendKind',
479 { 'name': 'serial', 'if': 'HAVE_CHARDEV_SERIAL' },
480 { 'name': 'parallel', 'if': 'HAVE_CHARDEV_PARALLEL' },
489 { 'name': 'braille', 'if': 'CONFIG_BRLAPI' },
492 { 'name': 'console', 'if': 'CONFIG_WIN32' },
493 { 'name': 'spicevmc', 'if': 'CONFIG_SPICE' },
494 { 'name': 'spiceport', 'if': 'CONFIG_SPICE' },
495 { 'name': 'qemu-vdagent', 'if': 'CONFIG_SPICE_PROTOCOL' },
496 { 'name': 'dbus', 'if': 'CONFIG_DBUS_DISPLAY' },
499 { 'name': 'memory', 'features': [ 'deprecated' ] } ] }
502 # @ChardevFileWrapper:
504 # @data: Configuration info for file chardevs
508 { 'struct': 'ChardevFileWrapper',
509 'data': { 'data': 'ChardevFile' } }
512 # @ChardevHostdevWrapper:
514 # @data: Configuration info for device and pipe chardevs
518 { 'struct': 'ChardevHostdevWrapper',
519 'data': { 'data': 'ChardevHostdev' } }
522 # @ChardevSocketWrapper:
524 # @data: Configuration info for (stream) socket chardevs
528 { 'struct': 'ChardevSocketWrapper',
529 'data': { 'data': 'ChardevSocket' } }
532 # @ChardevUdpWrapper:
534 # @data: Configuration info for datagram socket chardevs
538 { 'struct': 'ChardevUdpWrapper',
539 'data': { 'data': 'ChardevUdp' } }
542 # @ChardevCommonWrapper:
544 # @data: Configuration shared across all chardev backends
548 { 'struct': 'ChardevCommonWrapper',
549 'data': { 'data': 'ChardevCommon' } }
552 # @ChardevMuxWrapper:
554 # @data: Configuration info for mux chardevs
558 { 'struct': 'ChardevMuxWrapper',
559 'data': { 'data': 'ChardevMux' } }
562 # @ChardevStdioWrapper:
564 # @data: Configuration info for stdio chardevs
568 { 'struct': 'ChardevStdioWrapper',
569 'data': { 'data': 'ChardevStdio' } }
572 # @ChardevSpiceChannelWrapper:
574 # @data: Configuration info for spice vm channel chardevs
578 { 'struct': 'ChardevSpiceChannelWrapper',
579 'data': { 'data': 'ChardevSpiceChannel' },
580 'if': 'CONFIG_SPICE' }
583 # @ChardevSpicePortWrapper:
585 # @data: Configuration info for spice port chardevs
589 { 'struct': 'ChardevSpicePortWrapper',
590 'data': { 'data': 'ChardevSpicePort' },
591 'if': 'CONFIG_SPICE' }
594 # @ChardevQemuVDAgentWrapper:
596 # @data: Configuration info for qemu vdagent implementation
600 { 'struct': 'ChardevQemuVDAgentWrapper',
601 'data': { 'data': 'ChardevQemuVDAgent' },
602 'if': 'CONFIG_SPICE_PROTOCOL' }
605 # @ChardevDBusWrapper:
607 # @data: Configuration info for DBus chardevs
611 { 'struct': 'ChardevDBusWrapper',
612 'data': { 'data': 'ChardevDBus' },
613 'if': 'CONFIG_DBUS_DISPLAY' }
618 # @data: Configuration info for virtual console chardevs
622 { 'struct': 'ChardevVCWrapper',
623 'data': { 'data': 'ChardevVC' } }
626 # @ChardevRingbufWrapper:
628 # @data: Configuration info for ring buffer chardevs
632 { 'struct': 'ChardevRingbufWrapper',
633 'data': { 'data': 'ChardevRingbuf' } }
638 # Configuration info for the new chardev backend.
640 # @type: backend type
644 { 'union': 'ChardevBackend',
645 'base': { 'type': 'ChardevBackendKind' },
646 'discriminator': 'type',
647 'data': { 'file': 'ChardevFileWrapper',
648 'serial': { 'type': 'ChardevHostdevWrapper',
649 'if': 'HAVE_CHARDEV_SERIAL' },
650 'parallel': { 'type': 'ChardevHostdevWrapper',
651 'if': 'HAVE_CHARDEV_PARALLEL' },
652 'pipe': 'ChardevHostdevWrapper',
653 'socket': 'ChardevSocketWrapper',
654 'udp': 'ChardevUdpWrapper',
655 'pty': 'ChardevCommonWrapper',
656 'null': 'ChardevCommonWrapper',
657 'mux': 'ChardevMuxWrapper',
658 'msmouse': 'ChardevCommonWrapper',
659 'wctablet': 'ChardevCommonWrapper',
660 'braille': { 'type': 'ChardevCommonWrapper',
661 'if': 'CONFIG_BRLAPI' },
662 'testdev': 'ChardevCommonWrapper',
663 'stdio': 'ChardevStdioWrapper',
664 'console': { 'type': 'ChardevCommonWrapper',
665 'if': 'CONFIG_WIN32' },
666 'spicevmc': { 'type': 'ChardevSpiceChannelWrapper',
667 'if': 'CONFIG_SPICE' },
668 'spiceport': { 'type': 'ChardevSpicePortWrapper',
669 'if': 'CONFIG_SPICE' },
670 'qemu-vdagent': { 'type': 'ChardevQemuVDAgentWrapper',
671 'if': 'CONFIG_SPICE_PROTOCOL' },
672 'dbus': { 'type': 'ChardevDBusWrapper',
673 'if': 'CONFIG_DBUS_DISPLAY' },
674 'vc': 'ChardevVCWrapper',
675 'ringbuf': 'ChardevRingbufWrapper',
676 'memory': 'ChardevRingbufWrapper' } }
681 # Return info about the chardev backend just created.
683 # @pty: name of the slave pseudoterminal device, present if and only
684 # if a chardev of type 'pty' was created
688 { 'struct' : 'ChardevReturn',
689 'data': { '*pty': 'str' } }
694 # Add a character device backend
696 # @id: the chardev's ID, must be unique
698 # @backend: backend type and parameters
700 # Returns: ChardevReturn.
706 # -> { "execute" : "chardev-add",
707 # "arguments" : { "id" : "foo",
708 # "backend" : { "type" : "null", "data" : {} } } }
709 # <- { "return": {} }
711 # -> { "execute" : "chardev-add",
712 # "arguments" : { "id" : "bar",
713 # "backend" : { "type" : "file",
714 # "data" : { "out" : "/tmp/bar.log" } } } }
715 # <- { "return": {} }
717 # -> { "execute" : "chardev-add",
718 # "arguments" : { "id" : "baz",
719 # "backend" : { "type" : "pty", "data" : {} } } }
720 # <- { "return": { "pty" : "/dev/pty/42" } }
722 { 'command': 'chardev-add',
723 'data': { 'id': 'str',
724 'backend': 'ChardevBackend' },
725 'returns': 'ChardevReturn' }
730 # Change a character device backend
732 # @id: the chardev's ID, must exist
734 # @backend: new backend type and parameters
736 # Returns: ChardevReturn.
742 # -> { "execute" : "chardev-change",
743 # "arguments" : { "id" : "baz",
744 # "backend" : { "type" : "pty", "data" : {} } } }
745 # <- { "return": { "pty" : "/dev/pty/42" } }
747 # -> {"execute" : "chardev-change",
749 # "id" : "charchannel2",
756 # "path" : "/tmp/charchannel2.socket"
760 # "wait" : false }}}}
763 { 'command': 'chardev-change',
764 'data': { 'id': 'str',
765 'backend': 'ChardevBackend' },
766 'returns': 'ChardevReturn' }
771 # Remove a character device backend
773 # @id: the chardev's ID, must exist and not be in use
775 # Returns: Nothing on success
781 # -> { "execute": "chardev-remove", "arguments": { "id" : "foo" } }
782 # <- { "return": {} }
784 { 'command': 'chardev-remove',
785 'data': { 'id': 'str' } }
788 # @chardev-send-break:
790 # Send a break to a character device
792 # @id: the chardev's ID, must exist
794 # Returns: Nothing on success
800 # -> { "execute": "chardev-send-break", "arguments": { "id" : "foo" } }
801 # <- { "return": {} }
803 { 'command': 'chardev-send-break',
804 'data': { 'id': 'str' } }
809 # Emitted when the guest opens or closes a virtio-serial port.
811 # @id: device identifier of the virtio-serial port
813 # @open: true if the guest has opened the virtio-serial port
815 # Note: This event is rate-limited.
821 # <- { "event": "VSERPORT_CHANGE",
822 # "data": { "id": "channel0", "open": true },
823 # "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
825 { 'event': 'VSERPORT_CHANGE',
826 'data': { 'id': 'str',