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 # @server: create server socket (default: true)
252 # @wait: wait for incoming connection on server
253 # sockets (default: false).
254 # @nodelay: set TCP_NODELAY socket option (default: false)
255 # @telnet: enable telnet protocol on server
256 # sockets (default: false)
257 # @tn3270: enable tn3270 protocol on server
258 # sockets (default: false) (Since: 2.10)
259 # @websocket: enable websocket protocol on server
260 # sockets (default: false) (Since: 3.1)
261 # @reconnect: For a client socket, if a socket is disconnected,
262 # then attempt a reconnect after the given number of seconds.
263 # Setting this to zero disables this function. (default: 0)
268 { 'struct': 'ChardevSocket',
269 'data': { 'addr': 'SocketAddressLegacy',
276 '*websocket': 'bool',
277 '*reconnect': 'int' },
278 'base': 'ChardevCommon' }
283 # Configuration info for datagram socket chardevs.
285 # @remote: remote address
286 # @local: local address
290 { 'struct': 'ChardevUdp',
291 'data': { 'remote': 'SocketAddressLegacy',
292 '*local': 'SocketAddressLegacy' },
293 'base': 'ChardevCommon' }
298 # Configuration info for mux chardevs.
300 # @chardev: name of the base chardev.
304 { 'struct': 'ChardevMux',
305 'data': { 'chardev': 'str' },
306 'base': 'ChardevCommon' }
311 # Configuration info for stdio chardevs.
313 # @signal: Allow signals (such as SIGINT triggered by ^C)
314 # be delivered to qemu. Default: true in -nographic mode,
319 { 'struct': 'ChardevStdio',
320 'data': { '*signal': 'bool' },
321 'base': 'ChardevCommon' }
325 # @ChardevSpiceChannel:
327 # Configuration info for spice vm channel chardevs.
329 # @type: kind of channel (for example vdagent).
333 { 'struct': 'ChardevSpiceChannel',
334 'data': { 'type': 'str' },
335 'base': 'ChardevCommon',
336 'if': 'defined(CONFIG_SPICE)' }
341 # Configuration info for spice port chardevs.
343 # @fqdn: name of the channel (see docs/spice-port-fqdn.txt)
347 { 'struct': 'ChardevSpicePort',
348 'data': { 'fqdn': 'str' },
349 'base': 'ChardevCommon',
350 'if': 'defined(CONFIG_SPICE)' }
355 # Configuration info for virtual console chardevs.
357 # @width: console width, in pixels
358 # @height: console height, in pixels
359 # @cols: console width, in chars
360 # @rows: console height, in chars
364 { 'struct': 'ChardevVC',
365 'data': { '*width': 'int',
369 'base': 'ChardevCommon' }
374 # Configuration info for ring buffer chardevs.
376 # @size: ring buffer size, must be power of two, default is 65536
380 { 'struct': 'ChardevRingbuf',
381 'data': { '*size': 'int' },
382 'base': 'ChardevCommon' }
387 # Configuration info for the new chardev backend.
389 # Since: 1.4 (testdev since 2.2, wctablet since 2.9)
391 { 'union': 'ChardevBackend',
392 'data': { 'file': 'ChardevFile',
393 'serial': 'ChardevHostdev',
394 'parallel': 'ChardevHostdev',
395 'pipe': 'ChardevHostdev',
396 'socket': 'ChardevSocket',
398 'pty': 'ChardevCommon',
399 'null': 'ChardevCommon',
401 'msmouse': 'ChardevCommon',
402 'wctablet': 'ChardevCommon',
403 'braille': 'ChardevCommon',
404 'testdev': 'ChardevCommon',
405 'stdio': 'ChardevStdio',
406 'console': 'ChardevCommon',
407 'spicevmc': { 'type': 'ChardevSpiceChannel',
408 'if': 'defined(CONFIG_SPICE)' },
409 'spiceport': { 'type': 'ChardevSpicePort',
410 'if': 'defined(CONFIG_SPICE)' },
412 'ringbuf': 'ChardevRingbuf',
413 # next one is just for compatibility
414 'memory': 'ChardevRingbuf' } }
419 # Return info about the chardev backend just created.
421 # @pty: name of the slave pseudoterminal device, present if
422 # and only if a chardev of type 'pty' was created
426 { 'struct' : 'ChardevReturn',
427 'data': { '*pty': 'str' } }
432 # Add a character device backend
434 # @id: the chardev's ID, must be unique
435 # @backend: backend type and parameters
437 # Returns: ChardevReturn.
443 # -> { "execute" : "chardev-add",
444 # "arguments" : { "id" : "foo",
445 # "backend" : { "type" : "null", "data" : {} } } }
446 # <- { "return": {} }
448 # -> { "execute" : "chardev-add",
449 # "arguments" : { "id" : "bar",
450 # "backend" : { "type" : "file",
451 # "data" : { "out" : "/tmp/bar.log" } } } }
452 # <- { "return": {} }
454 # -> { "execute" : "chardev-add",
455 # "arguments" : { "id" : "baz",
456 # "backend" : { "type" : "pty", "data" : {} } } }
457 # <- { "return": { "pty" : "/dev/pty/42" } }
460 { 'command': 'chardev-add',
461 'data': { 'id': 'str',
462 'backend': 'ChardevBackend' },
463 'returns': 'ChardevReturn' }
468 # Change a character device backend
470 # @id: the chardev's ID, must exist
471 # @backend: new backend type and parameters
473 # Returns: ChardevReturn.
479 # -> { "execute" : "chardev-change",
480 # "arguments" : { "id" : "baz",
481 # "backend" : { "type" : "pty", "data" : {} } } }
482 # <- { "return": { "pty" : "/dev/pty/42" } }
484 # -> {"execute" : "chardev-change",
486 # "id" : "charchannel2",
493 # "path" : "/tmp/charchannel2.socket"
497 # "wait" : false }}}}
501 { 'command': 'chardev-change',
502 'data': { 'id': 'str',
503 'backend': 'ChardevBackend' },
504 'returns': 'ChardevReturn' }
509 # Remove a character device backend
511 # @id: the chardev's ID, must exist and not be in use
513 # Returns: Nothing on success
519 # -> { "execute": "chardev-remove", "arguments": { "id" : "foo" } }
520 # <- { "return": {} }
523 { 'command': 'chardev-remove',
524 'data': { 'id': 'str' } }
527 # @chardev-send-break:
529 # Send a break to a character device
531 # @id: the chardev's ID, must exist
533 # Returns: Nothing on success
539 # -> { "execute": "chardev-send-break", "arguments": { "id" : "foo" } }
540 # <- { "return": {} }
543 { 'command': 'chardev-send-break',
544 'data': { 'id': 'str' } }
549 # Emitted when the guest opens or closes a virtio-serial port.
551 # @id: device identifier of the virtio-serial port
553 # @open: true if the guest has opened the virtio-serial port
559 # <- { "event": "VSERPORT_CHANGE",
560 # "data": { "id": "channel0", "open": true },
561 # "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
564 { 'event': 'VSERPORT_CHANGE',
565 'data': { 'id': 'str',