dbeee39233
Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <1503602048-12268-7-git-send-email-armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
539 lines
14 KiB
Python
539 lines
14 KiB
Python
# -*- Mode: Python -*-
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#
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##
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# = Character devices
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##
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{ 'include': 'sockets.json' }
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##
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# @ChardevInfo:
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#
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# Information about a character device.
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#
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# @label: the label of the character device
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#
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# @filename: the filename of the character device
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#
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# @frontend-open: shows whether the frontend device attached to this backend
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# (eg. with the chardev=... option) is in open or closed state
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# (since 2.1)
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#
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# Notes: @filename is encoded using the QEMU command line character device
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# encoding. See the QEMU man page for details.
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#
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# Since: 0.14.0
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##
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{ 'struct': 'ChardevInfo', 'data': {'label': 'str',
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'filename': 'str',
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'frontend-open': 'bool'} }
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##
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# @query-chardev:
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#
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# Returns information about current character devices.
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#
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# Returns: a list of @ChardevInfo
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# -> { "execute": "query-chardev" }
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# <- {
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# "return": [
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# {
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# "label": "charchannel0",
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# "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.agent,server",
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# "frontend-open": false
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# },
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# {
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# "label": "charmonitor",
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# "filename": "unix:/var/lib/libvirt/qemu/seabios.rhel6.monitor,server",
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# "frontend-open": true
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# },
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# {
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# "label": "charserial0",
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# "filename": "pty:/dev/pts/2",
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# "frontend-open": true
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# }
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# ]
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# }
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#
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##
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{ 'command': 'query-chardev', 'returns': ['ChardevInfo'] }
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##
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# @ChardevBackendInfo:
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#
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# Information about a character device backend
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#
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# @name: The backend name
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#
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# Since: 2.0
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##
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{ 'struct': 'ChardevBackendInfo', 'data': {'name': 'str'} }
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##
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# @query-chardev-backends:
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#
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# Returns information about character device backends.
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#
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# Returns: a list of @ChardevBackendInfo
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#
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# Since: 2.0
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#
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# Example:
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#
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# -> { "execute": "query-chardev-backends" }
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# <- {
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# "return":[
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# {
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# "name":"udp"
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# },
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# {
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# "name":"tcp"
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# },
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# {
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# "name":"unix"
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# },
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# {
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# "name":"spiceport"
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# }
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# ]
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# }
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#
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##
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{ 'command': 'query-chardev-backends', 'returns': ['ChardevBackendInfo'] }
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##
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# @DataFormat:
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#
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# An enumeration of data format.
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#
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# @utf8: Data is a UTF-8 string (RFC 3629)
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#
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# @base64: Data is Base64 encoded binary (RFC 3548)
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#
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# Since: 1.4
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##
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{ 'enum': 'DataFormat',
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'data': [ 'utf8', 'base64' ] }
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##
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# @ringbuf-write:
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#
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# Write to a ring buffer character device.
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#
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# @device: the ring buffer character device name
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#
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# @data: data to write
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#
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# @format: data encoding (default 'utf8').
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# - base64: data must be base64 encoded text. Its binary
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# decoding gets written.
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# - utf8: data's UTF-8 encoding is written
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# - data itself is always Unicode regardless of format, like
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# any other string.
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#
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# Returns: Nothing on success
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#
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# Since: 1.4
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#
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# Example:
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#
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# -> { "execute": "ringbuf-write",
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# "arguments": { "device": "foo",
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# "data": "abcdefgh",
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# "format": "utf8" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'ringbuf-write',
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'data': {'device': 'str', 'data': 'str',
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'*format': 'DataFormat'} }
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##
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# @ringbuf-read:
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#
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# Read from a ring buffer character device.
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#
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# @device: the ring buffer character device name
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#
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# @size: how many bytes to read at most
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#
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# @format: data encoding (default 'utf8').
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# - base64: the data read is returned in base64 encoding.
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# - utf8: the data read is interpreted as UTF-8.
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# Bug: can screw up when the buffer contains invalid UTF-8
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# sequences, NUL characters, after the ring buffer lost
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# data, and when reading stops because the size limit is
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# reached.
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# - The return value is always Unicode regardless of format,
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# like any other string.
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#
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# Returns: data read from the device
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#
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# Since: 1.4
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#
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# Example:
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#
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# -> { "execute": "ringbuf-read",
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# "arguments": { "device": "foo",
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# "size": 1000,
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# "format": "utf8" } }
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# <- { "return": "abcdefgh" }
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#
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##
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{ 'command': 'ringbuf-read',
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'data': {'device': 'str', 'size': 'int', '*format': 'DataFormat'},
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'returns': 'str' }
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##
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# @ChardevCommon:
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#
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# Configuration shared across all chardev backends
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#
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# @logfile: The name of a logfile to save output
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# @logappend: true to append instead of truncate
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# (default to false to truncate)
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#
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# Since: 2.6
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##
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{ 'struct': 'ChardevCommon', 'data': { '*logfile': 'str',
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'*logappend': 'bool' } }
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##
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# @ChardevFile:
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#
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# Configuration info for file chardevs.
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#
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# @in: The name of the input file
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# @out: The name of the output file
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# @append: Open the file in append mode (default false to
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# truncate) (Since 2.6)
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#
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# Since: 1.4
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##
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{ 'struct': 'ChardevFile', 'data': { '*in' : 'str',
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'out' : 'str',
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'*append': 'bool' },
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'base': 'ChardevCommon' }
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##
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# @ChardevHostdev:
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#
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# Configuration info for device and pipe chardevs.
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#
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# @device: The name of the special file for the device,
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# i.e. /dev/ttyS0 on Unix or COM1: on Windows
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#
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# Since: 1.4
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##
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{ 'struct': 'ChardevHostdev', 'data': { 'device' : 'str' },
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'base': 'ChardevCommon' }
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##
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# @ChardevSocket:
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#
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# Configuration info for (stream) socket chardevs.
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#
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# @addr: socket address to listen on (server=true)
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# or connect to (server=false)
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# @tls-creds: the ID of the TLS credentials object (since 2.6)
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# @server: create server socket (default: true)
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# @wait: wait for incoming connection on server
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# sockets (default: false).
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# @nodelay: set TCP_NODELAY socket option (default: false)
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# @telnet: enable telnet protocol on server
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# sockets (default: false)
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# @tn3270: enable tn3270 protocol on server
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# sockets (default: false) (Since: 2.10)
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# @reconnect: For a client socket, if a socket is disconnected,
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# then attempt a reconnect after the given number of seconds.
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# Setting this to zero disables this function. (default: 0)
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# (Since: 2.2)
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#
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# Since: 1.4
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##
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{ 'struct': 'ChardevSocket', 'data': { 'addr' : 'SocketAddressLegacy',
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'*tls-creds' : 'str',
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'*server' : 'bool',
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'*wait' : 'bool',
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'*nodelay' : 'bool',
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'*telnet' : 'bool',
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'*tn3270' : 'bool',
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'*reconnect' : 'int' },
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'base': 'ChardevCommon' }
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##
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# @ChardevUdp:
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#
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# Configuration info for datagram socket chardevs.
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#
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# @remote: remote address
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# @local: local address
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevUdp', 'data': { 'remote' : 'SocketAddressLegacy',
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'*local' : 'SocketAddressLegacy' },
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'base': 'ChardevCommon' }
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##
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# @ChardevMux:
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#
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# Configuration info for mux chardevs.
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#
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# @chardev: name of the base chardev.
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevMux', 'data': { 'chardev' : 'str' },
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'base': 'ChardevCommon' }
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##
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# @ChardevStdio:
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#
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# Configuration info for stdio chardevs.
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#
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# @signal: Allow signals (such as SIGINT triggered by ^C)
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# be delivered to qemu. Default: true in -nographic mode,
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# false otherwise.
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevStdio', 'data': { '*signal' : 'bool' },
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'base': 'ChardevCommon' }
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##
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# @ChardevSpiceChannel:
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#
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# Configuration info for spice vm channel chardevs.
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#
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# @type: kind of channel (for example vdagent).
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevSpiceChannel', 'data': { 'type' : 'str' },
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'base': 'ChardevCommon' }
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##
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# @ChardevSpicePort:
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#
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# Configuration info for spice port chardevs.
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#
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# @fqdn: name of the channel (see docs/spice-port-fqdn.txt)
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevSpicePort', 'data': { 'fqdn' : 'str' },
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'base': 'ChardevCommon' }
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##
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# @ChardevVC:
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#
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# Configuration info for virtual console chardevs.
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#
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# @width: console width, in pixels
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# @height: console height, in pixels
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# @cols: console width, in chars
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# @rows: console height, in chars
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevVC', 'data': { '*width' : 'int',
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'*height' : 'int',
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'*cols' : 'int',
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'*rows' : 'int' },
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'base': 'ChardevCommon' }
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##
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# @ChardevRingbuf:
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#
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# Configuration info for ring buffer chardevs.
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#
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# @size: ring buffer size, must be power of two, default is 65536
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#
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# Since: 1.5
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##
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{ 'struct': 'ChardevRingbuf', 'data': { '*size' : 'int' },
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'base': 'ChardevCommon' }
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##
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# @ChardevBackend:
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#
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# Configuration info for the new chardev backend.
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#
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# Since: 1.4 (testdev since 2.2, wctablet since 2.9)
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##
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{ 'union': 'ChardevBackend', 'data': { 'file' : 'ChardevFile',
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'serial' : 'ChardevHostdev',
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'parallel': 'ChardevHostdev',
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'pipe' : 'ChardevHostdev',
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'socket' : 'ChardevSocket',
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'udp' : 'ChardevUdp',
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'pty' : 'ChardevCommon',
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'null' : 'ChardevCommon',
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'mux' : 'ChardevMux',
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'msmouse': 'ChardevCommon',
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'wctablet' : 'ChardevCommon',
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'braille': 'ChardevCommon',
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'testdev': 'ChardevCommon',
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'stdio' : 'ChardevStdio',
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'console': 'ChardevCommon',
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'spicevmc' : 'ChardevSpiceChannel',
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'spiceport' : 'ChardevSpicePort',
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'vc' : 'ChardevVC',
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'ringbuf': 'ChardevRingbuf',
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# next one is just for compatibility
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'memory' : 'ChardevRingbuf' } }
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##
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# @ChardevReturn:
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#
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# Return info about the chardev backend just created.
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#
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# @pty: name of the slave pseudoterminal device, present if
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# and only if a chardev of type 'pty' was created
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#
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# Since: 1.4
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##
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{ 'struct' : 'ChardevReturn', 'data': { '*pty' : 'str' } }
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##
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# @chardev-add:
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#
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# Add a character device backend
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#
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# @id: the chardev's ID, must be unique
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# @backend: backend type and parameters
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#
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# Returns: ChardevReturn.
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#
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# Since: 1.4
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#
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# Example:
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#
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# -> { "execute" : "chardev-add",
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# "arguments" : { "id" : "foo",
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# "backend" : { "type" : "null", "data" : {} } } }
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# <- { "return": {} }
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#
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# -> { "execute" : "chardev-add",
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# "arguments" : { "id" : "bar",
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# "backend" : { "type" : "file",
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# "data" : { "out" : "/tmp/bar.log" } } } }
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# <- { "return": {} }
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#
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# -> { "execute" : "chardev-add",
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# "arguments" : { "id" : "baz",
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# "backend" : { "type" : "pty", "data" : {} } } }
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# <- { "return": { "pty" : "/dev/pty/42" } }
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#
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##
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{ 'command': 'chardev-add', 'data': {'id' : 'str',
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'backend' : 'ChardevBackend' },
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'returns': 'ChardevReturn' }
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##
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# @chardev-change:
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#
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# Change a character device backend
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#
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# @id: the chardev's ID, must exist
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# @backend: new backend type and parameters
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#
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# Returns: ChardevReturn.
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#
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# Since: 2.10
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#
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# Example:
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#
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# -> { "execute" : "chardev-change",
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# "arguments" : { "id" : "baz",
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# "backend" : { "type" : "pty", "data" : {} } } }
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# <- { "return": { "pty" : "/dev/pty/42" } }
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#
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# -> {"execute" : "chardev-change",
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# "arguments" : {
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# "id" : "charchannel2",
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# "backend" : {
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# "type" : "socket",
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# "data" : {
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# "addr" : {
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# "type" : "unix" ,
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# "data" : {
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# "path" : "/tmp/charchannel2.socket"
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# }
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# },
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# "server" : true,
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# "wait" : false }}}}
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# <- {"return": {}}
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#
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##
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{ 'command': 'chardev-change', 'data': {'id' : 'str',
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'backend' : 'ChardevBackend' },
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'returns': 'ChardevReturn' }
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##
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# @chardev-remove:
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#
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# Remove a character device backend
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#
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# @id: the chardev's ID, must exist and not be in use
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#
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# Returns: Nothing on success
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#
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# Since: 1.4
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#
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# Example:
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#
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# -> { "execute": "chardev-remove", "arguments": { "id" : "foo" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'chardev-remove', 'data': {'id': 'str'} }
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##
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# @chardev-send-break:
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#
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# Send a break to a character device
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#
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# @id: the chardev's ID, must exist
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#
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# Returns: Nothing on success
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#
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# Since: 2.10
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#
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# Example:
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#
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# -> { "execute": "chardev-send-break", "arguments": { "id" : "foo" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'chardev-send-break', 'data': {'id': 'str'} }
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##
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# @VSERPORT_CHANGE:
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#
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# Emitted when the guest opens or closes a virtio-serial port.
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#
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# @id: device identifier of the virtio-serial port
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#
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# @open: true if the guest has opened the virtio-serial port
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#
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# Since: 2.1
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#
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# Example:
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#
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# <- { "event": "VSERPORT_CHANGE",
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# "data": { "id": "channel0", "open": true },
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# "timestamp": { "seconds": 1401385907, "microseconds": 422329 } }
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#
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##
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{ 'event': 'VSERPORT_CHANGE',
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'data': { 'id': 'str', 'open': 'bool' } }
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