# -*- Mode: Python -*- # vim: filetype=python # ## # = Miscellanea ## { 'include': 'common.json' } ## # @add_client: # # Allow client connections for VNC, Spice and socket based # character devices to be passed in to QEMU via SCM_RIGHTS. # # @protocol: protocol name. Valid names are "vnc", "spice", "@dbus-display" or # the name of a character device (eg. from -chardev id=XXXX) # # @fdname: file descriptor name previously passed via 'getfd' command # # @skipauth: whether to skip authentication. Only applies # to "vnc" and "spice" protocols # # @tls: whether to perform TLS. Only applies to the "spice" # protocol # # Returns: nothing on success. # # Since: 0.14 # # Example: # # -> { "execute": "add_client", "arguments": { "protocol": "vnc", # "fdname": "myclient" } } # <- { "return": {} } # ## { 'command': 'add_client', 'data': { 'protocol': 'str', 'fdname': 'str', '*skipauth': 'bool', '*tls': 'bool' } } ## # @NameInfo: # # Guest name information. # # @name: The name of the guest # # Since: 0.14 ## { 'struct': 'NameInfo', 'data': {'*name': 'str'} } ## # @query-name: # # Return the name information of a guest. # # Returns: @NameInfo of the guest # # Since: 0.14 # # Example: # # -> { "execute": "query-name" } # <- { "return": { "name": "qemu-name" } } # ## { 'command': 'query-name', 'returns': 'NameInfo', 'allow-preconfig': true } ## # @IOThreadInfo: # # Information about an iothread # # @id: the identifier of the iothread # # @thread-id: ID of the underlying host thread # # @poll-max-ns: maximum polling time in ns, 0 means polling is disabled # (since 2.9) # # @poll-grow: how many ns will be added to polling time, 0 means that it's not # configured (since 2.9) # # @poll-shrink: how many ns will be removed from polling time, 0 means that # it's not configured (since 2.9) # # @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) # # Since: 2.0 ## { 'struct': 'IOThreadInfo', 'data': {'id': 'str', 'thread-id': 'int', 'poll-max-ns': 'int', 'poll-grow': 'int', 'poll-shrink': 'int', 'aio-max-batch': 'int' } } ## # @query-iothreads: # # Returns a list of information about each iothread. # # Note: this list excludes the QEMU main loop thread, which is not declared # using the -object iothread command-line option. It is always the main thread # of the process. # # Returns: a list of @IOThreadInfo for each iothread # # Since: 2.0 # # Example: # # -> { "execute": "query-iothreads" } # <- { "return": [ # { # "id":"iothread0", # "thread-id":3134 # }, # { # "id":"iothread1", # "thread-id":3135 # } # ] # } # ## { 'command': 'query-iothreads', 'returns': ['IOThreadInfo'], 'allow-preconfig': true } ## # @stop: # # Stop all guest VCPU execution. # # Since: 0.14 # # Notes: This function will succeed even if the guest is already in the stopped # state. In "inmigrate" state, it will ensure that the guest # remains paused once migration finishes, as if the -S option was # passed on the command line. # # Example: # # -> { "execute": "stop" } # <- { "return": {} } # ## { 'command': 'stop' } ## # @cont: # # Resume guest VCPU execution. # # Since: 0.14 # # Returns: If successful, nothing # # Notes: This command will succeed if the guest is currently running. It # will also succeed if the guest is in the "inmigrate" state; in # this case, the effect of the command is to make sure the guest # starts once migration finishes, removing the effect of the -S # command line option if it was passed. # # Example: # # -> { "execute": "cont" } # <- { "return": {} } # ## { 'command': 'cont' } ## # @x-exit-preconfig: # # Exit from "preconfig" state # # This command makes QEMU exit the preconfig state and proceed with # VM initialization using configuration data provided on the command line # and via the QMP monitor during the preconfig state. The command is only # available during the preconfig state (i.e. when the --preconfig command # line option was in use). # # Features: # @unstable: This command is experimental. # # Since: 3.0 # # Returns: nothing # # Example: # # -> { "execute": "x-exit-preconfig" } # <- { "return": {} } # ## { 'command': 'x-exit-preconfig', 'allow-preconfig': true, 'features': [ 'unstable' ] } ## # @human-monitor-command: # # 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 # -blockdev. (since 4.2) # # Returns: the output of the command as a string # # Since: 0.14 # # 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 # use this command. # # Known limitations: # # * This command is stateless, this means that commands that depend # on state information (such as getfd) might not work # # * 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" } # ## { 'command': 'human-monitor-command', 'data': {'command-line': 'str', '*cpu-index': 'int'}, 'returns': 'str', 'features': [ 'savevm-monitor-nodes' ] } ## # @getfd: # # Receive a file descriptor via SCM rights and assign it a name # # @fdname: file descriptor name # # Returns: Nothing on success # # Since: 0.14 # # 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": "getfd", "arguments": { "fdname": "fd1" } } # <- { "return": {} } # ## { 'command': 'getfd', 'data': {'fdname': 'str'} } ## # @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' } }