4bf21c7f74
Currently, the function will simply fail if ancillary fds are not
provided, for ex on unsupported platforms.
This changes the failure from:
{"error": {"class": "GenericError", "desc": "No file descriptor
supplied via SCM_RIGHTS"}}
to:
{"error": {"class": "CommandNotFound", "desc": "The command getfd
has not been found"}}
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
621 lines
14 KiB
Python
621 lines
14 KiB
Python
# -*- Mode: Python -*-
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|
# vim: filetype=python
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|
#
|
|
|
|
##
|
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# = Miscellanea
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|
##
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{ 'include': 'common.json' }
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|
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##
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# @add_client:
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#
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# Allow client connections for VNC, Spice and socket based
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# character devices to be passed in to QEMU via SCM_RIGHTS.
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#
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# If the FD associated with @fdname is not a socket, the command will fail and
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# the FD will be closed.
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#
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# @protocol: protocol name. Valid names are "vnc", "spice", "@dbus-display" or
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# the name of a character device (eg. from -chardev id=XXXX)
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#
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# @fdname: file descriptor name previously passed via 'getfd' command
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#
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# @skipauth: whether to skip authentication. Only applies
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# to "vnc" and "spice" protocols
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#
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# @tls: whether to perform TLS. Only applies to the "spice"
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# protocol
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#
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# Returns: nothing on success.
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#
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# Since: 0.14
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#
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# Example:
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#
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# -> { "execute": "add_client", "arguments": { "protocol": "vnc",
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# "fdname": "myclient" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'add_client',
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'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool',
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'*tls': 'bool' } }
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|
|
|
##
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|
# @NameInfo:
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|
#
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|
# Guest name information.
|
|
#
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# @name: The name of the guest
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|
#
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|
# Since: 0.14
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|
##
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|
{ 'struct': 'NameInfo', 'data': {'*name': 'str'} }
|
|
|
|
##
|
|
# @query-name:
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|
#
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|
# Return the name information of a guest.
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|
#
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|
# Returns: @NameInfo of the guest
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|
#
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|
# Since: 0.14
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|
#
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|
# Example:
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|
#
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|
# -> { "execute": "query-name" }
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|
# <- { "return": { "name": "qemu-name" } }
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#
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##
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|
{ 'command': 'query-name', 'returns': 'NameInfo', 'allow-preconfig': true }
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|
|
|
##
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|
# @IOThreadInfo:
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|
#
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|
# Information about an iothread
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|
#
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|
# @id: the identifier of the iothread
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|
#
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|
# @thread-id: ID of the underlying host thread
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|
#
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|
# @poll-max-ns: maximum polling time in ns, 0 means polling is disabled
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# (since 2.9)
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|
#
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|
# @poll-grow: how many ns will be added to polling time, 0 means that it's not
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# configured (since 2.9)
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#
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# @poll-shrink: how many ns will be removed from polling time, 0 means that
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# it's not configured (since 2.9)
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|
#
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|
# @aio-max-batch: maximum number of requests in a batch for the AIO engine,
|
|
# 0 means that the engine will use its default (since 6.1)
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#
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|
# Since: 2.0
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|
##
|
|
{ 'struct': 'IOThreadInfo',
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|
'data': {'id': 'str',
|
|
'thread-id': 'int',
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'poll-max-ns': 'int',
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'poll-grow': 'int',
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'poll-shrink': 'int',
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'aio-max-batch': 'int' } }
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|
|
|
##
|
|
# @query-iothreads:
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|
#
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|
# Returns a list of information about each iothread.
|
|
#
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|
# Note: this list excludes the QEMU main loop thread, which is not declared
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|
# using the -object iothread command-line option. It is always the main thread
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# of the process.
|
|
#
|
|
# Returns: a list of @IOThreadInfo for each iothread
|
|
#
|
|
# Since: 2.0
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "query-iothreads" }
|
|
# <- { "return": [
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# {
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# "id":"iothread0",
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# "thread-id":3134
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# },
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# {
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|
# "id":"iothread1",
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# "thread-id":3135
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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-iothreads', 'returns': ['IOThreadInfo'],
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'allow-preconfig': true }
|
|
|
|
##
|
|
# @stop:
|
|
#
|
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# Stop all guest VCPU execution.
|
|
#
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|
# Since: 0.14
|
|
#
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|
# Notes: This function will succeed even if the guest is already in the stopped
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# state. In "inmigrate" state, it will ensure that the guest
|
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# remains paused once migration finishes, as if the -S option was
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# passed on the command line.
|
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#
|
|
# Example:
|
|
#
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# -> { "execute": "stop" }
|
|
# <- { "return": {} }
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|
#
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|
##
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|
{ 'command': 'stop' }
|
|
|
|
##
|
|
# @cont:
|
|
#
|
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# Resume guest VCPU execution.
|
|
#
|
|
# Since: 0.14
|
|
#
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|
# Returns: If successful, nothing
|
|
#
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|
# Notes: This command will succeed if the guest is currently running. It
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# will also succeed if the guest is in the "inmigrate" state; in
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# this case, the effect of the command is to make sure the guest
|
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# starts once migration finishes, removing the effect of the -S
|
|
# command line option if it was passed.
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "cont" }
|
|
# <- { "return": {} }
|
|
#
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|
##
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|
{ 'command': 'cont' }
|
|
|
|
##
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|
# @x-exit-preconfig:
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|
#
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|
# Exit from "preconfig" state
|
|
#
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|
# This command makes QEMU exit the preconfig state and proceed with
|
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# VM initialization using configuration data provided on the command line
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# and via the QMP monitor during the preconfig state. The command is only
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# available during the preconfig state (i.e. when the --preconfig command
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# line option was in use).
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|
#
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|
# Features:
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|
# @unstable: This command is experimental.
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|
#
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|
# Since: 3.0
|
|
#
|
|
# Returns: nothing
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "x-exit-preconfig" }
|
|
# <- { "return": {} }
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|
#
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|
##
|
|
{ 'command': 'x-exit-preconfig', 'allow-preconfig': true,
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'features': [ 'unstable' ] }
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|
|
|
##
|
|
# @human-monitor-command:
|
|
#
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|
# Execute a command on the human monitor and return the output.
|
|
#
|
|
# @command-line: the command to execute in the human monitor
|
|
#
|
|
# @cpu-index: The CPU to use for commands that require an implicit CPU
|
|
#
|
|
# Features:
|
|
# @savevm-monitor-nodes: If present, HMP command savevm only snapshots
|
|
# monitor-owned nodes if they have no parents.
|
|
# This allows the use of 'savevm' with
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|
# -blockdev. (since 4.2)
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|
#
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|
# Returns: the output of the command as a string
|
|
#
|
|
# Since: 0.14
|
|
#
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|
# Notes: This command only exists as a stop-gap. Its use is highly
|
|
# discouraged. The semantics of this command are not
|
|
# guaranteed: this means that command names, arguments and
|
|
# responses can change or be removed at ANY time. Applications
|
|
# that rely on long term stability guarantees should NOT
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|
# use this command.
|
|
#
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|
# Known limitations:
|
|
#
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|
# * This command is stateless, this means that commands that depend
|
|
# on state information (such as getfd) might not work
|
|
#
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|
# * Commands that prompt the user for data don't currently work
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "human-monitor-command",
|
|
# "arguments": { "command-line": "info kvm" } }
|
|
# <- { "return": "kvm support: enabled\r\n" }
|
|
#
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|
##
|
|
{ 'command': 'human-monitor-command',
|
|
'data': {'command-line': 'str', '*cpu-index': 'int'},
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|
'returns': 'str',
|
|
'features': [ 'savevm-monitor-nodes' ] }
|
|
|
|
##
|
|
# @getfd:
|
|
#
|
|
# Receive a file descriptor via SCM rights and assign it a name
|
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#
|
|
# @fdname: file descriptor name
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|
#
|
|
# Returns: Nothing on success
|
|
#
|
|
# Since: 0.14
|
|
#
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|
# Notes: If @fdname already exists, the file descriptor assigned to
|
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# it will be closed and replaced by the received file
|
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# descriptor.
|
|
#
|
|
# The 'closefd' command can be used to explicitly close the
|
|
# file descriptor when it is no longer needed.
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "getfd", "arguments": { "fdname": "fd1" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'getfd', 'data': {'fdname': 'str'}, 'if': 'CONFIG_POSIX' }
|
|
|
|
##
|
|
# @get-win32-socket:
|
|
#
|
|
# Add a socket that was duplicated to QEMU process with
|
|
# WSADuplicateSocketW() via WSASocket() & WSAPROTOCOL_INFOW structure
|
|
# and assign it a name (the SOCKET is associated with a CRT file
|
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# descriptor)
|
|
#
|
|
# @info: the WSAPROTOCOL_INFOW structure (encoded in base64)
|
|
#
|
|
# @fdname: file descriptor name
|
|
#
|
|
# Returns: Nothing on success
|
|
#
|
|
# Since: 8.0
|
|
#
|
|
# Notes: If @fdname already exists, the file descriptor assigned to
|
|
# it will be closed and replaced by the received file
|
|
# descriptor.
|
|
#
|
|
# The 'closefd' command can be used to explicitly close the
|
|
# file descriptor when it is no longer needed.
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "get-win32-socket", "arguments": { "info": "abcd123..", fdname": "skclient" } }
|
|
# <- { "return": {} }
|
|
#
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|
##
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|
{ 'command': 'get-win32-socket', 'data': {'info': 'str', 'fdname': 'str'}, 'if': 'CONFIG_WIN32' }
|
|
|
|
##
|
|
# @closefd:
|
|
#
|
|
# Close a file descriptor previously passed via SCM rights
|
|
#
|
|
# @fdname: file descriptor name
|
|
#
|
|
# Returns: Nothing on success
|
|
#
|
|
# Since: 0.14
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "closefd", "arguments": { "fdname": "fd1" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'closefd', 'data': {'fdname': 'str'} }
|
|
|
|
##
|
|
# @AddfdInfo:
|
|
#
|
|
# Information about a file descriptor that was added to an fd set.
|
|
#
|
|
# @fdset-id: The ID of the fd set that @fd was added to.
|
|
#
|
|
# @fd: The file descriptor that was received via SCM rights and
|
|
# added to the fd set.
|
|
#
|
|
# Since: 1.2
|
|
##
|
|
{ 'struct': 'AddfdInfo', 'data': {'fdset-id': 'int', 'fd': 'int'} }
|
|
|
|
##
|
|
# @add-fd:
|
|
#
|
|
# Add a file descriptor, that was passed via SCM rights, to an fd set.
|
|
#
|
|
# @fdset-id: The ID of the fd set to add the file descriptor to.
|
|
#
|
|
# @opaque: A free-form string that can be used to describe the fd.
|
|
#
|
|
# Returns: - @AddfdInfo on success
|
|
# - If file descriptor was not received, FdNotSupplied
|
|
# - If @fdset-id is a negative value, InvalidParameterValue
|
|
#
|
|
# Notes: The list of fd sets is shared by all monitor connections.
|
|
#
|
|
# If @fdset-id is not specified, a new fd set will be created.
|
|
#
|
|
# Since: 1.2
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "add-fd", "arguments": { "fdset-id": 1 } }
|
|
# <- { "return": { "fdset-id": 1, "fd": 3 } }
|
|
#
|
|
##
|
|
{ 'command': 'add-fd',
|
|
'data': { '*fdset-id': 'int',
|
|
'*opaque': 'str' },
|
|
'returns': 'AddfdInfo' }
|
|
|
|
##
|
|
# @remove-fd:
|
|
#
|
|
# Remove a file descriptor from an fd set.
|
|
#
|
|
# @fdset-id: The ID of the fd set that the file descriptor belongs to.
|
|
#
|
|
# @fd: The file descriptor that is to be removed.
|
|
#
|
|
# Returns: - Nothing on success
|
|
# - If @fdset-id or @fd is not found, FdNotFound
|
|
#
|
|
# Since: 1.2
|
|
#
|
|
# Notes: The list of fd sets is shared by all monitor connections.
|
|
#
|
|
# If @fd is not specified, all file descriptors in @fdset-id
|
|
# will be removed.
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "remove-fd", "arguments": { "fdset-id": 1, "fd": 3 } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'remove-fd', 'data': {'fdset-id': 'int', '*fd': 'int'} }
|
|
|
|
##
|
|
# @FdsetFdInfo:
|
|
#
|
|
# Information about a file descriptor that belongs to an fd set.
|
|
#
|
|
# @fd: The file descriptor value.
|
|
#
|
|
# @opaque: A free-form string that can be used to describe the fd.
|
|
#
|
|
# Since: 1.2
|
|
##
|
|
{ 'struct': 'FdsetFdInfo',
|
|
'data': {'fd': 'int', '*opaque': 'str'} }
|
|
|
|
##
|
|
# @FdsetInfo:
|
|
#
|
|
# Information about an fd set.
|
|
#
|
|
# @fdset-id: The ID of the fd set.
|
|
#
|
|
# @fds: A list of file descriptors that belong to this fd set.
|
|
#
|
|
# Since: 1.2
|
|
##
|
|
{ 'struct': 'FdsetInfo',
|
|
'data': {'fdset-id': 'int', 'fds': ['FdsetFdInfo']} }
|
|
|
|
##
|
|
# @query-fdsets:
|
|
#
|
|
# Return information describing all fd sets.
|
|
#
|
|
# Returns: A list of @FdsetInfo
|
|
#
|
|
# Since: 1.2
|
|
#
|
|
# Note: The list of fd sets is shared by all monitor connections.
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "query-fdsets" }
|
|
# <- { "return": [
|
|
# {
|
|
# "fds": [
|
|
# {
|
|
# "fd": 30,
|
|
# "opaque": "rdonly:/path/to/file"
|
|
# },
|
|
# {
|
|
# "fd": 24,
|
|
# "opaque": "rdwr:/path/to/file"
|
|
# }
|
|
# ],
|
|
# "fdset-id": 1
|
|
# },
|
|
# {
|
|
# "fds": [
|
|
# {
|
|
# "fd": 28
|
|
# },
|
|
# {
|
|
# "fd": 29
|
|
# }
|
|
# ],
|
|
# "fdset-id": 0
|
|
# }
|
|
# ]
|
|
# }
|
|
#
|
|
##
|
|
{ 'command': 'query-fdsets', 'returns': ['FdsetInfo'] }
|
|
|
|
##
|
|
# @CommandLineParameterType:
|
|
#
|
|
# Possible types for an option parameter.
|
|
#
|
|
# @string: accepts a character string
|
|
#
|
|
# @boolean: accepts "on" or "off"
|
|
#
|
|
# @number: accepts a number
|
|
#
|
|
# @size: accepts a number followed by an optional suffix (K)ilo,
|
|
# (M)ega, (G)iga, (T)era
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'enum': 'CommandLineParameterType',
|
|
'data': ['string', 'boolean', 'number', 'size'] }
|
|
|
|
##
|
|
# @CommandLineParameterInfo:
|
|
#
|
|
# Details about a single parameter of a command line option.
|
|
#
|
|
# @name: parameter name
|
|
#
|
|
# @type: parameter @CommandLineParameterType
|
|
#
|
|
# @help: human readable text string, not suitable for parsing.
|
|
#
|
|
# @default: default value string (since 2.1)
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'CommandLineParameterInfo',
|
|
'data': { 'name': 'str',
|
|
'type': 'CommandLineParameterType',
|
|
'*help': 'str',
|
|
'*default': 'str' } }
|
|
|
|
##
|
|
# @CommandLineOptionInfo:
|
|
#
|
|
# Details about a command line option, including its list of parameter details
|
|
#
|
|
# @option: option name
|
|
#
|
|
# @parameters: an array of @CommandLineParameterInfo
|
|
#
|
|
# Since: 1.5
|
|
##
|
|
{ 'struct': 'CommandLineOptionInfo',
|
|
'data': { 'option': 'str', 'parameters': ['CommandLineParameterInfo'] } }
|
|
|
|
##
|
|
# @query-command-line-options:
|
|
#
|
|
# Query command line option schema.
|
|
#
|
|
# @option: option name
|
|
#
|
|
# Returns: list of @CommandLineOptionInfo for all options (or for the given
|
|
# @option). Returns an error if the given @option doesn't exist.
|
|
#
|
|
# Since: 1.5
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "query-command-line-options",
|
|
# "arguments": { "option": "option-rom" } }
|
|
# <- { "return": [
|
|
# {
|
|
# "parameters": [
|
|
# {
|
|
# "name": "romfile",
|
|
# "type": "string"
|
|
# },
|
|
# {
|
|
# "name": "bootindex",
|
|
# "type": "number"
|
|
# }
|
|
# ],
|
|
# "option": "option-rom"
|
|
# }
|
|
# ]
|
|
# }
|
|
#
|
|
##
|
|
{'command': 'query-command-line-options',
|
|
'data': { '*option': 'str' },
|
|
'returns': ['CommandLineOptionInfo'],
|
|
'allow-preconfig': true }
|
|
|
|
##
|
|
# @RTC_CHANGE:
|
|
#
|
|
# Emitted when the guest changes the RTC time.
|
|
#
|
|
# @offset: offset in seconds between base RTC clock (as specified
|
|
# by -rtc base), and new RTC clock value
|
|
#
|
|
# @qom-path: path to the RTC object in the QOM tree
|
|
#
|
|
# Note: This event is rate-limited.
|
|
# It is not guaranteed that the RTC in the system implements
|
|
# this event, or even that the system has an RTC at all.
|
|
#
|
|
# Since: 0.13
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "RTC_CHANGE",
|
|
# "data": { "offset": 78 },
|
|
# "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
|
|
#
|
|
##
|
|
{ 'event': 'RTC_CHANGE',
|
|
'data': { 'offset': 'int', 'qom-path': 'str' } }
|
|
|
|
##
|
|
# @VFU_CLIENT_HANGUP:
|
|
#
|
|
# Emitted when the client of a TYPE_VFIO_USER_SERVER closes the
|
|
# communication channel
|
|
#
|
|
# @vfu-id: ID of the TYPE_VFIO_USER_SERVER object. It is the last component
|
|
# of @vfu-qom-path referenced below
|
|
#
|
|
# @vfu-qom-path: path to the TYPE_VFIO_USER_SERVER object in the QOM tree
|
|
#
|
|
# @dev-id: ID of attached PCI device
|
|
#
|
|
# @dev-qom-path: path to attached PCI device in the QOM tree
|
|
#
|
|
# Since: 7.1
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "VFU_CLIENT_HANGUP",
|
|
# "data": { "vfu-id": "vfu1",
|
|
# "vfu-qom-path": "/objects/vfu1",
|
|
# "dev-id": "sas1",
|
|
# "dev-qom-path": "/machine/peripheral/sas1" },
|
|
# "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
|
|
#
|
|
##
|
|
{ 'event': 'VFU_CLIENT_HANGUP',
|
|
'data': { 'vfu-id': 'str', 'vfu-qom-path': 'str',
|
|
'dev-id': 'str', 'dev-qom-path': 'str' } }
|