8 { 'include': 'sockets.json' }
13 # Information about a character device.
15 # @label: the label of the character device
17 # @filename: the filename of the character device
19 # @frontend-open: shows whether the frontend device attached to this backend
20 # (eg. with the chardev=... option) is in open or closed state
23 # Notes: @filename is encoded using the QEMU command line character device
24 # encoding. See the QEMU man page for details.
28 { 'struct': 'ChardevInfo',
29 'data': { 'label': 'str',
31 'frontend-open': 'bool' } }
36 # Returns information about current character devices.
38 # Returns: a list of @ChardevInfo
44 # -> { "execute": "query-chardev" }
48 # "label": "charchannel0",
49 # "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.agent,server",
50 # "frontend-open": false
53 # "label": "charmonitor",
54 # "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.monitor,server",
55 # "frontend-open": true
58 # "label": "charserial0",
59 # "filename": "pty:/dev/pts/2",
60 # "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" }
110 { 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] }
115 # An enumeration of data format.
117 # @utf8: Data is a UTF-8 string (RFC 3629)
119 # @base64: Data is Base64 encoded binary (RFC 3548)
123 { 'enum': 'DataFormat',
124 'data': [ 'utf8', 'base64' ] }
129 # Write to a ring buffer character device.
131 # @device: the ring buffer character device name
133 # @data: data to write
135 # @format: data encoding (default 'utf8').
136 # - base64: data must be base64 encoded text. Its binary
137 # decoding gets written.
138 # - utf8: data's UTF-8 encoding is written
139 # - data itself is always Unicode regardless of format, like
142 # Returns: Nothing on success
148 # -> { "execute": "ringbuf-write",
149 # "arguments": { "device": "foo",
150 # "data": "abcdefgh",
151 # "format": "utf8" } }
152 # <- { "return": {} }
155 { 'command': 'ringbuf-write',
156 'data': { 'device': 'str',
158 '*format': 'DataFormat'} }
163 # Read from a ring buffer character device.
165 # @device: the ring buffer character device name
167 # @size: how many bytes to read at most
169 # @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
174 # data, and when reading stops because the size limit is
176 # - The return value is always Unicode regardless of format,
177 # like any other string.
179 # Returns: data read from the device
185 # -> { "execute": "ringbuf-read",
186 # "arguments": { "device": "foo",
188 # "format": "utf8" } }
189 # <- { "return": "abcdefgh" }
192 { 'command': 'ringbuf-read',
193 'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
199 # Configuration shared across all chardev backends
201 # @logfile: The name of a logfile to save output
202 # @logappend: true to append instead of truncate
203 # (default to false to truncate)
207 { 'struct': 'ChardevCommon',
208 'data': { '*logfile': 'str',
209 '*logappend': 'bool' } }
214 # Configuration info for file chardevs.
216 # @in: The name of the input file
217 # @out: The name of the output file
218 # @append: Open the file in append mode (default false to
219 # truncate) (Since 2.6)
223 { 'struct': 'ChardevFile',
224 'data': { '*in': 'str',
227 'base': 'ChardevCommon' }
232 # Configuration info for device and pipe chardevs.
234 # @device: The name of the special file for the device,
235 # i.e. /dev/ttyS0 on Unix or COM1: on Windows
239 { 'struct': 'ChardevHostdev',
240 'data': { 'device': 'str' },
241 'base': 'ChardevCommon' }
246 # Configuration info for (stream) socket chardevs.
248 # @addr: socket address to listen on (server=true)
249 # or connect to (server=false)
250 # @tls-creds: the ID of the TLS credentials object (since 2.6)
251 # @tls-authz: the ID of the QAuthZ authorization object against which
252 # the client's x509 distinguished name will be validated. This
253 # object is only resolved at time of use, so can be deleted
254 # and recreated on the fly while the chardev server is active.
255 # If missing, it will default to denying access (since 4.0)
256 # @server: create server socket (default: true)
257 # @wait: wait for incoming connection on server
258 # sockets (default: false).
259 # @nodelay: set TCP_NODELAY socket option (default: false)
260 # @telnet: enable telnet protocol on server
261 # sockets (default: false)
262 # @tn3270: enable tn3270 protocol on server
263 # sockets (default: false) (Since: 2.10)
264 # @websocket: enable websocket protocol on server
265 # sockets (default: false) (Since: 3.1)
266 # @reconnect: For a client socket, if a socket is disconnected,
267 # then attempt a reconnect after the given number of seconds.
268 # Setting this to zero disables this function. (default: 0)
273 { 'struct': 'ChardevSocket',
274 'data': { 'addr': 'SocketAddressLegacy',
276 '*tls-authz' : 'str',
282 '*websocket': 'bool',
283 '*reconnect': 'int' },
284 'base': 'ChardevCommon' }
289 # Configuration info for datagram socket chardevs.
291 # @remote: remote address
292 # @local: local address
296 { 'struct': 'ChardevUdp',
297 'data': { 'remote': 'SocketAddressLegacy',
298 '*local': 'SocketAddressLegacy' },
299 'base': 'ChardevCommon' }
304 # Configuration info for mux chardevs.
306 # @chardev: name of the base chardev.
310 { 'struct': 'ChardevMux',
311 'data': { 'chardev': 'str' },
312 'base': 'ChardevCommon' }
317 # Configuration info for stdio chardevs.
319 # @signal: Allow signals (such as SIGINT triggered by ^C)
320 # be delivered to qemu. Default: true in -nographic mode,
325 { 'struct': 'ChardevStdio',
326 'data': { '*signal': 'bool' },
327 'base': 'ChardevCommon' }
331 # @ChardevSpiceChannel:
333 # Configuration info for spice vm channel chardevs.
335 # @type: kind of channel (for example vdagent).
339 { 'struct': 'ChardevSpiceChannel',
340 'data': { 'type': 'str' },
341 'base': 'ChardevCommon',
342 'if': 'defined(CONFIG_SPICE)' }
347 # Configuration info for spice port chardevs.
349 # @fqdn: name of the channel (see docs/spice-port-fqdn.txt)
353 { 'struct': 'ChardevSpicePort',
354 'data': { 'fqdn': 'str' },
355 'base': 'ChardevCommon',
356 'if': 'defined(CONFIG_SPICE)' }
361 # Configuration info for virtual console chardevs.
363 # @width: console width, in pixels
364 # @height: console height, in pixels
365 # @cols: console width, in chars
366 # @rows: console height, in chars
370 { 'struct': 'ChardevVC',
371 'data': { '*width': 'int',
375 'base': 'ChardevCommon' }
380 # Configuration info for ring buffer chardevs.
382 # @size: ring buffer size, must be power of two, default is 65536
386 { 'struct': 'ChardevRingbuf',
387 'data': { '*size': 'int' },
388 'base': 'ChardevCommon' }
393 # Configuration info for the new chardev backend.
395 # Since: 1.4 (testdev since 2.2, wctablet since 2.9)
397 { 'union': 'ChardevBackend',
398 'data': { 'file': 'ChardevFile',
399 'serial': 'ChardevHostdev',
400 'parallel': 'ChardevHostdev',
401 'pipe': 'ChardevHostdev',
402 'socket': 'ChardevSocket',
404 'pty': 'ChardevCommon',
405 'null': 'ChardevCommon',
407 'msmouse': 'ChardevCommon',
408 'wctablet': 'ChardevCommon',
409 'braille': 'ChardevCommon',
410 'testdev': 'ChardevCommon',
411 'stdio': 'ChardevStdio',
412 'console': 'ChardevCommon',
413 'spicevmc': { 'type': 'ChardevSpiceChannel',
414 'if': 'defined(CONFIG_SPICE)' },
415 'spiceport': { 'type': 'ChardevSpicePort',
416 'if': 'defined(CONFIG_SPICE)' },
418 'ringbuf': 'ChardevRingbuf',
419 # next one is just for compatibility
420 'memory': 'ChardevRingbuf' } }
425 # Return info about the chardev backend just created.
427 # @pty: name of the slave pseudoterminal device, present if
428 # and only if a chardev of type 'pty' was created
432 { 'struct' : 'ChardevReturn',
433 'data': { '*pty': 'str' } }
438 # Add a character device backend
440 # @id: the chardev's ID, must be unique
441 # @backend: backend type and parameters
443 # Returns: ChardevReturn.
449 # -> { "execute" : "chardev-add",
450 # "arguments" : { "id" : "foo",
451 # "backend" : { "type" : "null", "data" : {} } } }
452 # <- { "return": {} }
454 # -> { "execute" : "chardev-add",
455 # "arguments" : { "id" : "bar",
456 # "backend" : { "type" : "file",
457 # "data" : { "out" : "/tmp/bar.log" } } } }
458 # <- { "return": {} }
460 # -> { "execute" : "chardev-add",
461 # "arguments" : { "id" : "baz",
462 # "backend" : { "type" : "pty", "data" : {} } } }
463 # <- { "return": { "pty" : "/dev/pty/42" } }
466 { 'command': 'chardev-add',
467 'data': { 'id': 'str',
468 'backend': 'ChardevBackend' },
469 'returns': 'ChardevReturn' }
474 # Change a character device backend
476 # @id: the chardev's ID, must exist
477 # @backend: new backend type and parameters
479 # Returns: ChardevReturn.
485 # -> { "execute" : "chardev-change",
486 # "arguments" : { "id" : "baz",
487 # "backend" : { "type" : "pty", "data" : {} } } }
488 # <- { "return": { "pty" : "/dev/pty/42" } }
490 # -> {"execute" : "chardev-change",
492 # "id" : "charchannel2",
499 # "path" : "/tmp/charchannel2.socket"
503 # "wait" : false }}}}
507 { 'command': 'chardev-change',
508 'data': { 'id': 'str',
509 'backend': 'ChardevBackend' },
510 'returns': 'ChardevReturn' }
515 # Remove a character device backend
517 # @id: the chardev's ID, must exist and not be in use
519 # Returns: Nothing on success
525 # -> { "execute": "chardev-remove", "arguments": { "id" : "foo" } }
526 # <- { "return": {} }
529 { 'command': 'chardev-remove',
530 'data': { 'id': 'str' } }
533 # @chardev-send-break:
535 # Send a break to a character device
537 # @id: the chardev's ID, must exist
539 # Returns: Nothing on success
545 # -> { "execute": "chardev-send-break", "arguments": { "id" : "foo" } }
546 # <- { "return": {} }
549 { 'command': 'chardev-send-break',
550 'data': { 'id': 'str' } }
555 # Emitted when the guest opens or closes a virtio-serial port.
557 # @id: device identifier of the virtio-serial port
559 # @open: true if the guest has opened the virtio-serial port
565 # <- { "event": "VSERPORT_CHANGE",
566 # "data": { "id": "channel0", "open": true },
567 # "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
570 { 'event': 'VSERPORT_CHANGE',
571 'data': { 'id': 'str',