2beb1e5f9a
Event RTC_CHANGE is "emitted when the guest changes the RTC time" (and the RTC supports the event). What if there's more than one RTC? Which one changed? New @qom-path identifies it. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <87a6ejnm80.fsf@pond.sub.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
556 lines
13 KiB
Python
556 lines
13 KiB
Python
# -*- Mode: Python -*-
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# vim: filetype=python
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#
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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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# @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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# @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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#
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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'} }
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##
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# @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,
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# 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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##
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{ 'struct': 'IOThreadInfo',
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'data': {'id': 'str',
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'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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##
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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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#
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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.
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#
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# Returns: a list of @IOThreadInfo for each iothread
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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-iothreads" }
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# <- { "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 }
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##
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# @stop:
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#
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# Stop all guest VCPU execution.
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#
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# Since: 0.14
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#
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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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#
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# Example:
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#
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# -> { "execute": "stop" }
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# <- { "return": {} }
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#
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##
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{ 'command': 'stop' }
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##
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# @cont:
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#
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# Resume guest VCPU execution.
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#
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# Since: 0.14
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#
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# Returns: If successful, nothing
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#
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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
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# command line option if it was passed.
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#
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# Example:
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#
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# -> { "execute": "cont" }
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# <- { "return": {} }
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#
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##
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{ 'command': 'cont' }
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##
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# @x-exit-preconfig:
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#
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# Exit from "preconfig" state
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#
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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
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#
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# Returns: nothing
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#
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# Example:
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#
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# -> { "execute": "x-exit-preconfig" }
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# <- { "return": {} }
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#
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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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##
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# @human-monitor-command:
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#
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# Execute a command on the human monitor and return the output.
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#
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# @command-line: the command to execute in the human monitor
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#
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# @cpu-index: The CPU to use for commands that require an implicit CPU
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#
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# Features:
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# @savevm-monitor-nodes: If present, HMP command savevm only snapshots
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# monitor-owned nodes if they have no parents.
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# 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
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#
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# Since: 0.14
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#
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# Notes: This command only exists as a stop-gap. Its use is highly
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# discouraged. The semantics of this command are not
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# guaranteed: this means that command names, arguments and
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# responses can change or be removed at ANY time. Applications
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# that rely on long term stability guarantees should NOT
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# use this command.
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#
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# Known limitations:
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#
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# * This command is stateless, this means that commands that depend
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# on state information (such as getfd) might not work
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#
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# * Commands that prompt the user for data don't currently work
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#
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# Example:
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#
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# -> { "execute": "human-monitor-command",
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# "arguments": { "command-line": "info kvm" } }
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# <- { "return": "kvm support: enabled\r\n" }
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#
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##
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{ 'command': 'human-monitor-command',
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'data': {'command-line': 'str', '*cpu-index': 'int'},
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'returns': 'str',
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'features': [ 'savevm-monitor-nodes' ] }
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##
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# @getfd:
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#
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# Receive a file descriptor via SCM rights and assign it a name
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#
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# @fdname: file descriptor name
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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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# 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.
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#
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# The 'closefd' command can be used to explicitly close the
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# file descriptor when it is no longer needed.
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#
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# Example:
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#
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# -> { "execute": "getfd", "arguments": { "fdname": "fd1" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'getfd', 'data': {'fdname': 'str'} }
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##
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# @closefd:
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#
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# Close a file descriptor previously passed via SCM rights
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#
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# @fdname: file descriptor name
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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": "closefd", "arguments": { "fdname": "fd1" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'closefd', 'data': {'fdname': 'str'} }
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##
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# @AddfdInfo:
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#
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# Information about a file descriptor that was added to an fd set.
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#
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# @fdset-id: The ID of the fd set that @fd was added to.
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#
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# @fd: The file descriptor that was received via SCM rights and
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# added to the fd set.
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#
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# Since: 1.2
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##
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{ 'struct': 'AddfdInfo', 'data': {'fdset-id': 'int', 'fd': 'int'} }
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##
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# @add-fd:
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#
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# Add a file descriptor, that was passed via SCM rights, to an fd set.
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#
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# @fdset-id: The ID of the fd set to add the file descriptor to.
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#
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# @opaque: A free-form string that can be used to describe the fd.
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#
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# Returns: - @AddfdInfo on success
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# - If file descriptor was not received, FdNotSupplied
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# - If @fdset-id is a negative value, InvalidParameterValue
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#
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# Notes: The list of fd sets is shared by all monitor connections.
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#
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# If @fdset-id is not specified, a new fd set will be created.
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#
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# Since: 1.2
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#
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# Example:
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#
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# -> { "execute": "add-fd", "arguments": { "fdset-id": 1 } }
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# <- { "return": { "fdset-id": 1, "fd": 3 } }
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#
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##
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{ 'command': 'add-fd',
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'data': { '*fdset-id': 'int',
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'*opaque': 'str' },
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'returns': 'AddfdInfo' }
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##
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# @remove-fd:
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#
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# Remove a file descriptor from an fd set.
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#
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# @fdset-id: The ID of the fd set that the file descriptor belongs to.
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#
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# @fd: The file descriptor that is to be removed.
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#
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# Returns: - Nothing on success
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# - If @fdset-id or @fd is not found, FdNotFound
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#
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# Since: 1.2
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#
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# Notes: The list of fd sets is shared by all monitor connections.
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#
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# If @fd is not specified, all file descriptors in @fdset-id
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# will be removed.
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#
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# Example:
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#
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# -> { "execute": "remove-fd", "arguments": { "fdset-id": 1, "fd": 3 } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'remove-fd', 'data': {'fdset-id': 'int', '*fd': 'int'} }
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##
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# @FdsetFdInfo:
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#
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# Information about a file descriptor that belongs to an fd set.
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#
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# @fd: The file descriptor value.
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#
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# @opaque: A free-form string that can be used to describe the fd.
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#
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# Since: 1.2
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##
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{ 'struct': 'FdsetFdInfo',
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'data': {'fd': 'int', '*opaque': 'str'} }
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##
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# @FdsetInfo:
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#
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# Information about an fd set.
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#
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# @fdset-id: The ID of the fd set.
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#
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# @fds: A list of file descriptors that belong to this fd set.
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#
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# Since: 1.2
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##
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{ 'struct': 'FdsetInfo',
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'data': {'fdset-id': 'int', 'fds': ['FdsetFdInfo']} }
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##
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# @query-fdsets:
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#
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# Return information describing all fd sets.
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#
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# Returns: A list of @FdsetInfo
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#
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# Since: 1.2
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#
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# Note: The list of fd sets is shared by all monitor connections.
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#
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# Example:
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#
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# -> { "execute": "query-fdsets" }
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# <- { "return": [
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# {
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# "fds": [
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# {
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# "fd": 30,
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# "opaque": "rdonly:/path/to/file"
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# },
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# {
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# "fd": 24,
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# "opaque": "rdwr:/path/to/file"
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# }
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# ],
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# "fdset-id": 1
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# },
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# {
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# "fds": [
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# {
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# "fd": 28
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# },
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# {
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# "fd": 29
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# }
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# ],
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# "fdset-id": 0
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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-fdsets', 'returns': ['FdsetInfo'] }
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##
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# @CommandLineParameterType:
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#
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# Possible types for an option parameter.
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#
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# @string: accepts a character string
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#
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# @boolean: accepts "on" or "off"
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#
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# @number: accepts a number
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#
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# @size: accepts a number followed by an optional suffix (K)ilo,
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# (M)ega, (G)iga, (T)era
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#
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# Since: 1.5
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##
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{ 'enum': 'CommandLineParameterType',
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'data': ['string', 'boolean', 'number', 'size'] }
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##
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# @CommandLineParameterInfo:
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#
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# Details about a single parameter of a command line option.
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#
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# @name: parameter name
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#
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# @type: parameter @CommandLineParameterType
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#
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# @help: human readable text string, not suitable for parsing.
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#
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# @default: default value string (since 2.1)
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#
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# Since: 1.5
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##
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{ 'struct': 'CommandLineParameterInfo',
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'data': { 'name': 'str',
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'type': 'CommandLineParameterType',
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'*help': 'str',
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'*default': 'str' } }
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##
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# @CommandLineOptionInfo:
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#
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# Details about a command line option, including its list of parameter details
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#
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# @option: option name
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#
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# @parameters: an array of @CommandLineParameterInfo
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#
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# Since: 1.5
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##
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{ 'struct': 'CommandLineOptionInfo',
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'data': { 'option': 'str', 'parameters': ['CommandLineParameterInfo'] } }
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##
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# @query-command-line-options:
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#
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# Query command line option schema.
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#
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# @option: option name
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#
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# Returns: list of @CommandLineOptionInfo for all options (or for the given
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# @option). Returns an error if the given @option doesn't exist.
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#
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# Since: 1.5
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#
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# Example:
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#
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# -> { "execute": "query-command-line-options",
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# "arguments": { "option": "option-rom" } }
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# <- { "return": [
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# {
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# "parameters": [
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# {
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# "name": "romfile",
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# "type": "string"
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# },
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# {
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# "name": "bootindex",
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# "type": "number"
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# }
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# ],
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# "option": "option-rom"
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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-command-line-options',
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'data': { '*option': 'str' },
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'returns': ['CommandLineOptionInfo'],
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'allow-preconfig': true }
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|
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##
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# @RTC_CHANGE:
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#
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# Emitted when the guest changes the RTC time.
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#
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# @offset: offset in seconds between base RTC clock (as specified
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# by -rtc base), and new RTC clock value
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#
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# @qom-path: path to the RTC object in the QOM tree
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#
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# Note: This event is rate-limited.
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# It is not guaranteed that the RTC in the system implements
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# this event, or even that the system has an RTC at all.
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#
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# Since: 0.13
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#
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# Example:
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#
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# <- { "event": "RTC_CHANGE",
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# "data": { "offset": 78 },
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# "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
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#
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##
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{ 'event': 'RTC_CHANGE',
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'data': { 'offset': 'int', 'qom-path': 'str' } }
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