567 lines
13 KiB
Python
567 lines
13 KiB
Python
# -*- Mode: Python -*-
|
|
#
|
|
|
|
##
|
|
# = Character devices
|
|
##
|
|
|
|
{ 'include': 'sockets.json' }
|
|
|
|
##
|
|
# @ChardevInfo:
|
|
#
|
|
# Information about a character device.
|
|
#
|
|
# @label: the label of the character device
|
|
#
|
|
# @filename: the filename of the character device
|
|
#
|
|
# @frontend-open: shows whether the frontend device attached to this backend
|
|
# (eg. with the chardev=... option) is in open or closed state
|
|
# (since 2.1)
|
|
#
|
|
# Notes: @filename is encoded using the QEMU command line character device
|
|
# encoding. See the QEMU man page for details.
|
|
#
|
|
# Since: 0.14.0
|
|
##
|
|
{ 'struct': 'ChardevInfo',
|
|
'data': { 'label': 'str',
|
|
'filename': 'str',
|
|
'frontend-open': 'bool' } }
|
|
|
|
##
|
|
# @query-chardev:
|
|
#
|
|
# Returns information about current character devices.
|
|
#
|
|
# Returns: a list of @ChardevInfo
|
|
#
|
|
# Since: 0.14.0
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "query-chardev" }
|
|
# <- {
|
|
# "return": [
|
|
# {
|
|
# "label": "charchannel0",
|
|
# "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.agent,server",
|
|
# "frontend-open": false
|
|
# },
|
|
# {
|
|
# "label": "charmonitor",
|
|
# "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.monitor,server",
|
|
# "frontend-open": true
|
|
# },
|
|
# {
|
|
# "label": "charserial0",
|
|
# "filename": "pty:/dev/pts/2",
|
|
# "frontend-open": true
|
|
# }
|
|
# ]
|
|
# }
|
|
#
|
|
##
|
|
{ 'command': 'query-chardev', 'returns': ['ChardevInfo'],
|
|
'allow-preconfig': true }
|
|
|
|
##
|
|
# @ChardevBackendInfo:
|
|
#
|
|
# Information about a character device backend
|
|
#
|
|
# @name: The backend name
|
|
#
|
|
# Since: 2.0
|
|
##
|
|
{ 'struct': 'ChardevBackendInfo', 'data': {'name': 'str'} }
|
|
|
|
##
|
|
# @query-chardev-backends:
|
|
#
|
|
# Returns information about character device backends.
|
|
#
|
|
# Returns: a list of @ChardevBackendInfo
|
|
#
|
|
# Since: 2.0
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "query-chardev-backends" }
|
|
# <- {
|
|
# "return":[
|
|
# {
|
|
# "name":"udp"
|
|
# },
|
|
# {
|
|
# "name":"tcp"
|
|
# },
|
|
# {
|
|
# "name":"unix"
|
|
# },
|
|
# {
|
|
# "name":"spiceport"
|
|
# }
|
|
# ]
|
|
# }
|
|
#
|
|
##
|
|
{ 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] }
|
|
|
|
##
|
|
# @DataFormat:
|
|
#
|
|
# An enumeration of data format.
|
|
#
|
|
# @utf8: Data is a UTF-8 string (RFC 3629)
|
|
#
|
|
# @base64: Data is Base64 encoded binary (RFC 3548)
|
|
#
|
|
# Since: 1.4
|
|
##
|
|
{ 'enum': 'DataFormat',
|
|
'data': [ 'utf8', 'base64' ] }
|
|
|
|
##
|
|
# @ringbuf-write:
|
|
#
|
|
# Write to a ring buffer character device.
|
|
#
|
|
# @device: the ring buffer character device name
|
|
#
|
|
# @data: data to write
|
|
#
|
|
# @format: data encoding (default 'utf8').
|
|
# - base64: data must be base64 encoded text. Its binary
|
|
# decoding gets written.
|
|
# - utf8: data's UTF-8 encoding is written
|
|
# - data itself is always Unicode regardless of format, like
|
|
# any other string.
|
|
#
|
|
# Returns: Nothing on success
|
|
#
|
|
# Since: 1.4
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "ringbuf-write",
|
|
# "arguments": { "device": "foo",
|
|
# "data": "abcdefgh",
|
|
# "format": "utf8" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'ringbuf-write',
|
|
'data': { 'device': 'str',
|
|
'data': 'str',
|
|
'*format': 'DataFormat'} }
|
|
|
|
##
|
|
# @ringbuf-read:
|
|
#
|
|
# Read from a ring buffer character device.
|
|
#
|
|
# @device: the ring buffer character device name
|
|
#
|
|
# @size: how many bytes to read at most
|
|
#
|
|
# @format: data encoding (default 'utf8').
|
|
# - base64: the data read is returned in base64 encoding.
|
|
# - utf8: the data read is interpreted as UTF-8.
|
|
# Bug: can screw up when the buffer contains invalid UTF-8
|
|
# sequences, NUL characters, after the ring buffer lost
|
|
# data, and when reading stops because the size limit is
|
|
# reached.
|
|
# - The return value is always Unicode regardless of format,
|
|
# like any other string.
|
|
#
|
|
# Returns: data read from the device
|
|
#
|
|
# Since: 1.4
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "ringbuf-read",
|
|
# "arguments": { "device": "foo",
|
|
# "size": 1000,
|
|
# "format": "utf8" } }
|
|
# <- { "return": "abcdefgh" }
|
|
#
|
|
##
|
|
{ 'command': 'ringbuf-read',
|
|
'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
|
|
'returns': 'str' }
|
|
|
|
##
|
|
# @ChardevCommon:
|
|
#
|
|
# Configuration shared across all chardev backends
|
|
#
|
|
# @logfile: The name of a logfile to save output
|
|
# @logappend: true to append instead of truncate
|
|
# (default to false to truncate)
|
|
#
|
|
# Since: 2.6
|
|
##
|
|
{ 'struct': 'ChardevCommon',
|
|
'data': { '*logfile': 'str',
|
|
'*logappend': 'bool' } }
|
|
|
|
##
|
|
# @ChardevFile:
|
|
#
|
|
# Configuration info for file chardevs.
|
|
#
|
|
# @in: The name of the input file
|
|
# @out: The name of the output file
|
|
# @append: Open the file in append mode (default false to
|
|
# truncate) (Since 2.6)
|
|
#
|
|
# Since: 1.4
|
|
##
|
|
{ 'struct': 'ChardevFile',
|
|
'data': { '*in': 'str',
|
|
'out': 'str',
|
|
'*append': 'bool' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevHostdev:
|
|
#
|
|
# Configuration info for device and pipe chardevs.
|
|
#
|
|
# @device: The name of the special file for the device,
|
|
# i.e. /dev/ttyS0 on Unix or COM1: on Windows
|
|
#
|
|
# Since: 1.4
|
|
##
|
|
{ 'struct': 'ChardevHostdev',
|
|
'data': { 'device': 'str' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevSocket:
|
|
#
|
|
# Configuration info for (stream) socket chardevs.
|
|
#
|
|
# @addr: socket address to listen on (server=true)
|
|
# or connect to (server=false)
|
|
# @tls-creds: the ID of the TLS credentials object (since 2.6)
|
|
# @server: create server socket (default: true)
|
|
# @wait: wait for incoming connection on server
|
|
# sockets (default: false).
|
|
# @nodelay: set TCP_NODELAY socket option (default: false)
|
|
# @telnet: enable telnet protocol on server
|
|
# sockets (default: false)
|
|
# @tn3270: enable tn3270 protocol on server
|
|
# sockets (default: false) (Since: 2.10)
|
|
# @websocket: enable websocket protocol on server
|
|
# sockets (default: false) (Since: 3.1)
|
|
# @reconnect: For a client socket, if a socket is disconnected,
|
|
# then attempt a reconnect after the given number of seconds.
|
|
# Setting this to zero disables this function. (default: 0)
|
|
# (Since: 2.2)
|
|
#
|
|
# Since: 1.4
|
|
##
|
|
{ 'struct': 'ChardevSocket',
|
|
'data': { 'addr': 'SocketAddressLegacy',
|
|
'*tls-creds': 'str',
|
|
'*server': 'bool',
|
|
'*wait': 'bool',
|
|
'*nodelay': 'bool',
|
|
'*telnet': 'bool',
|
|
'*tn3270': 'bool',
|
|
'*websocket': 'bool',
|
|
'*reconnect': 'int' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevUdp:
|
|
#
|
|
# Configuration info for datagram socket chardevs.
|
|
#
|
|
# @remote: remote address
|
|
# @local: local address
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevUdp',
|
|
'data': { 'remote': 'SocketAddressLegacy',
|
|
'*local': 'SocketAddressLegacy' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevMux:
|
|
#
|
|
# Configuration info for mux chardevs.
|
|
#
|
|
# @chardev: name of the base chardev.
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevMux',
|
|
'data': { 'chardev': 'str' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevStdio:
|
|
#
|
|
# Configuration info for stdio chardevs.
|
|
#
|
|
# @signal: Allow signals (such as SIGINT triggered by ^C)
|
|
# be delivered to qemu. Default: true in -nographic mode,
|
|
# false otherwise.
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevStdio',
|
|
'data': { '*signal': 'bool' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
|
|
##
|
|
# @ChardevSpiceChannel:
|
|
#
|
|
# Configuration info for spice vm channel chardevs.
|
|
#
|
|
# @type: kind of channel (for example vdagent).
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevSpiceChannel',
|
|
'data': { 'type': 'str' },
|
|
'base': 'ChardevCommon',
|
|
'if': 'defined(CONFIG_SPICE)' }
|
|
|
|
##
|
|
# @ChardevSpicePort:
|
|
#
|
|
# Configuration info for spice port chardevs.
|
|
#
|
|
# @fqdn: name of the channel (see docs/spice-port-fqdn.txt)
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevSpicePort',
|
|
'data': { 'fqdn': 'str' },
|
|
'base': 'ChardevCommon',
|
|
'if': 'defined(CONFIG_SPICE)' }
|
|
|
|
##
|
|
# @ChardevVC:
|
|
#
|
|
# Configuration info for virtual console chardevs.
|
|
#
|
|
# @width: console width, in pixels
|
|
# @height: console height, in pixels
|
|
# @cols: console width, in chars
|
|
# @rows: console height, in chars
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevVC',
|
|
'data': { '*width': 'int',
|
|
'*height': 'int',
|
|
'*cols': 'int',
|
|
'*rows': 'int' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevRingbuf:
|
|
#
|
|
# Configuration info for ring buffer chardevs.
|
|
#
|
|
# @size: ring buffer size, must be power of two, default is 65536
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'ChardevRingbuf',
|
|
'data': { '*size': 'int' },
|
|
'base': 'ChardevCommon' }
|
|
|
|
##
|
|
# @ChardevBackend:
|
|
#
|
|
# Configuration info for the new chardev backend.
|
|
#
|
|
# Since: 1.4 (testdev since 2.2, wctablet since 2.9)
|
|
##
|
|
{ 'union': 'ChardevBackend',
|
|
'data': { 'file': 'ChardevFile',
|
|
'serial': 'ChardevHostdev',
|
|
'parallel': 'ChardevHostdev',
|
|
'pipe': 'ChardevHostdev',
|
|
'socket': 'ChardevSocket',
|
|
'udp': 'ChardevUdp',
|
|
'pty': 'ChardevCommon',
|
|
'null': 'ChardevCommon',
|
|
'mux': 'ChardevMux',
|
|
'msmouse': 'ChardevCommon',
|
|
'wctablet': 'ChardevCommon',
|
|
'braille': 'ChardevCommon',
|
|
'testdev': 'ChardevCommon',
|
|
'stdio': 'ChardevStdio',
|
|
'console': 'ChardevCommon',
|
|
'spicevmc': { 'type': 'ChardevSpiceChannel',
|
|
'if': 'defined(CONFIG_SPICE)' },
|
|
'spiceport': { 'type': 'ChardevSpicePort',
|
|
'if': 'defined(CONFIG_SPICE)' },
|
|
'vc': 'ChardevVC',
|
|
'ringbuf': 'ChardevRingbuf',
|
|
# next one is just for compatibility
|
|
'memory': 'ChardevRingbuf' } }
|
|
|
|
##
|
|
# @ChardevReturn:
|
|
#
|
|
# Return info about the chardev backend just created.
|
|
#
|
|
# @pty: name of the slave pseudoterminal device, present if
|
|
# and only if a chardev of type 'pty' was created
|
|
#
|
|
# Since: 1.4
|
|
##
|
|
{ 'struct' : 'ChardevReturn',
|
|
'data': { '*pty': 'str' } }
|
|
|
|
##
|
|
# @chardev-add:
|
|
#
|
|
# Add a character device backend
|
|
#
|
|
# @id: the chardev's ID, must be unique
|
|
# @backend: backend type and parameters
|
|
#
|
|
# Returns: ChardevReturn.
|
|
#
|
|
# Since: 1.4
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute" : "chardev-add",
|
|
# "arguments" : { "id" : "foo",
|
|
# "backend" : { "type" : "null", "data" : {} } } }
|
|
# <- { "return": {} }
|
|
#
|
|
# -> { "execute" : "chardev-add",
|
|
# "arguments" : { "id" : "bar",
|
|
# "backend" : { "type" : "file",
|
|
# "data" : { "out" : "/tmp/bar.log" } } } }
|
|
# <- { "return": {} }
|
|
#
|
|
# -> { "execute" : "chardev-add",
|
|
# "arguments" : { "id" : "baz",
|
|
# "backend" : { "type" : "pty", "data" : {} } } }
|
|
# <- { "return": { "pty" : "/dev/pty/42" } }
|
|
#
|
|
##
|
|
{ 'command': 'chardev-add',
|
|
'data': { 'id': 'str',
|
|
'backend': 'ChardevBackend' },
|
|
'returns': 'ChardevReturn' }
|
|
|
|
##
|
|
# @chardev-change:
|
|
#
|
|
# Change a character device backend
|
|
#
|
|
# @id: the chardev's ID, must exist
|
|
# @backend: new backend type and parameters
|
|
#
|
|
# Returns: ChardevReturn.
|
|
#
|
|
# Since: 2.10
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute" : "chardev-change",
|
|
# "arguments" : { "id" : "baz",
|
|
# "backend" : { "type" : "pty", "data" : {} } } }
|
|
# <- { "return": { "pty" : "/dev/pty/42" } }
|
|
#
|
|
# -> {"execute" : "chardev-change",
|
|
# "arguments" : {
|
|
# "id" : "charchannel2",
|
|
# "backend" : {
|
|
# "type" : "socket",
|
|
# "data" : {
|
|
# "addr" : {
|
|
# "type" : "unix" ,
|
|
# "data" : {
|
|
# "path" : "/tmp/charchannel2.socket"
|
|
# }
|
|
# },
|
|
# "server" : true,
|
|
# "wait" : false }}}}
|
|
# <- {"return": {}}
|
|
#
|
|
##
|
|
{ 'command': 'chardev-change',
|
|
'data': { 'id': 'str',
|
|
'backend': 'ChardevBackend' },
|
|
'returns': 'ChardevReturn' }
|
|
|
|
##
|
|
# @chardev-remove:
|
|
#
|
|
# Remove a character device backend
|
|
#
|
|
# @id: the chardev's ID, must exist and not be in use
|
|
#
|
|
# Returns: Nothing on success
|
|
#
|
|
# Since: 1.4
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "chardev-remove", "arguments": { "id" : "foo" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'chardev-remove',
|
|
'data': { 'id': 'str' } }
|
|
|
|
##
|
|
# @chardev-send-break:
|
|
#
|
|
# Send a break to a character device
|
|
#
|
|
# @id: the chardev's ID, must exist
|
|
#
|
|
# Returns: Nothing on success
|
|
#
|
|
# Since: 2.10
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "chardev-send-break", "arguments": { "id" : "foo" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'chardev-send-break',
|
|
'data': { 'id': 'str' } }
|
|
|
|
##
|
|
# @VSERPORT_CHANGE:
|
|
#
|
|
# Emitted when the guest opens or closes a virtio-serial port.
|
|
#
|
|
# @id: device identifier of the virtio-serial port
|
|
#
|
|
# @open: true if the guest has opened the virtio-serial port
|
|
#
|
|
# Since: 2.1
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "VSERPORT_CHANGE",
|
|
# "data": { "id": "channel0", "open": true },
|
|
# "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
|
|
#
|
|
##
|
|
{ 'event': 'VSERPORT_CHANGE',
|
|
'data': { 'id': 'str',
|
|
'open': 'bool' } }
|