qlist: Make conversion from QObject * accept null

[qemu.git] / qapi / event.json

##
# @SHUTDOWN
#
# Emitted when the virtual machine has shut down, indicating that qemu is
# about to exit.
#
# Note: If the command-line option "-no-shutdown" has been specified, qemu will
# not exit, and a STOP event will eventually follow the SHUTDOWN event
#
# Since: 0.12.0
##
{ 'event': 'SHUTDOWN' }

##
# @POWERDOWN
#
# Emitted when the virtual machine is powered down through the power control
# system, such as via ACPI.
#
# Since: 0.12.0
##
{ 'event': 'POWERDOWN' }

##
# @RESET
#
# Emitted when the virtual machine is reset
#
# Since: 0.12.0
##
{ 'event': 'RESET' }

##
# @STOP
#
# Emitted when the virtual machine is stopped
#
# Since: 0.12.0
##
{ 'event': 'STOP' }

##
# @RESUME
#
# Emitted when the virtual machine resumes execution
#
# Since: 0.12.0
##
{ 'event': 'RESUME' }

##
# @SUSPEND
#
# Emitted when guest enters a hardware suspension state, for example, S3 state,
# which is sometimes called standby state
#
# Since: 1.1
##
{ 'event': 'SUSPEND' }

##
# @SUSPEND_DISK
#
# Emitted when guest enters a hardware suspension state with data saved on
# disk, for example, S4 state, which is sometimes called hibernate state
#
# Note: QEMU shuts down (similar to event @SHUTDOWN) when entering this state
#
# Since: 1.2
##
{ 'event': 'SUSPEND_DISK' }

##
# @WAKEUP
#
# Emitted when the guest has woken up from suspend state and is running
#
# Since: 1.1
##
{ 'event': 'WAKEUP' }

##
# @RTC_CHANGE
#
# Emitted when the guest changes the RTC time.
#
# @offset: offset between base RTC clock (as specified by -rtc base), and
#          new RTC clock value
#
# Since: 0.13.0
##
{ 'event': 'RTC_CHANGE',
  'data': { 'offset': 'int' } }

##
# @WATCHDOG
#
# Emitted when the watchdog device's timer is expired
#
# @action: action that has been taken
#
# Note: If action is "reset", "shutdown", or "pause" the WATCHDOG event is
# followed respectively by the RESET, SHUTDOWN, or STOP events
#
# Since: 0.13.0
##
{ 'event': 'WATCHDOG',
  'data': { 'action': 'WatchdogExpirationAction' } }

##
# @DEVICE_DELETED
#
# Emitted whenever the device removal completion is acknowledged by the guest.
# At this point, it's safe to reuse the specified device ID. Device removal can
# be initiated by the guest or by HMP/QMP commands.
#
# @device: #optional, device name
#
# @path: device path
#
# Since: 1.5
##
{ 'event': 'DEVICE_DELETED',
  'data': { '*device': 'str', 'path': 'str' } }

##
# @NIC_RX_FILTER_CHANGED
#
# Emitted once until the 'query-rx-filter' command is executed, the first event
# will always be emitted
#
# @name: #optional, net client name
#
# @path: device path
#
# Since: 1.6
##
{ 'event': 'NIC_RX_FILTER_CHANGED',
  'data': { '*name': 'str', 'path': 'str' } }

##
# @VNC_CONNECTED
#
# Emitted when a VNC client establishes a connection
#
# @server: server information
#
# @client: client information
#
# Note: This event is emitted before any authentication takes place, thus
# the authentication ID is not provided
#
# Since: 0.13.0
##
{ 'event': 'VNC_CONNECTED',
  'data': { 'server': 'VncServerInfo',
            'client': 'VncBasicInfo' } }

##
# @VNC_INITIALIZED
#
# Emitted after authentication takes place (if any) and the VNC session is
# made active
#
# @server: server information
#
# @client: client information
#
# Since: 0.13.0
##
{ 'event': 'VNC_INITIALIZED',
  'data': { 'server': 'VncServerInfo',
            'client': 'VncClientInfo' } }

##
# @VNC_DISCONNECTED
#
# Emitted when the connection is closed
#
# @server: server information
#
# @client: client information
#
# Since: 0.13.0
##
{ 'event': 'VNC_DISCONNECTED',
  'data': { 'server': 'VncServerInfo',
            'client': 'VncClientInfo' } }

##
# @SPICE_CONNECTED
#
# Emitted when a SPICE client establishes a connection
#
# @server: server information
#
# @client: client information
#
# Since: 0.14.0
##
{ 'event': 'SPICE_CONNECTED',
  'data': { 'server': 'SpiceBasicInfo',
            'client': 'SpiceBasicInfo' } }

##
# @SPICE_INITIALIZED
#
# Emitted after initial handshake and authentication takes place (if any)
# and the SPICE channel is up and running
#
# @server: server information
#
# @client: client information
#
# Since: 0.14.0
##
{ 'event': 'SPICE_INITIALIZED',
  'data': { 'server': 'SpiceServerInfo',
            'client': 'SpiceChannel' } }

##
# @SPICE_DISCONNECTED
#
# Emitted when the SPICE connection is closed
#
# @server: server information
#
# @client: client information
#
# Since: 0.14.0
##
{ 'event': 'SPICE_DISCONNECTED',
  'data': { 'server': 'SpiceBasicInfo',
            'client': 'SpiceBasicInfo' } }

##
# @SPICE_MIGRATE_COMPLETED
#
# Emitted when SPICE migration has completed
#
# Since: 1.3
##
{ 'event': 'SPICE_MIGRATE_COMPLETED' }

##
# @MIGRATION
#
# Emitted when a migration event happens
#
# @status: @MigrationStatus describing the current migration status.
#
# Since: 2.4
##
{ 'event': 'MIGRATION',
  'data': {'status': 'MigrationStatus'}}

##
# @ACPI_DEVICE_OST
#
# Emitted when guest executes ACPI _OST method.
#
# Since: 2.1
#
# @info: ACPIOSTInfo type as described in qapi-schema.json
##
{ 'event': 'ACPI_DEVICE_OST',
     'data': { 'info': 'ACPIOSTInfo' } }

##
# @BALLOON_CHANGE
#
# Emitted when the guest changes the actual BALLOON level. This value is
# equivalent to the @actual field return by the 'query-balloon' command
#
# @actual: actual level of the guest memory balloon in bytes
#
# Since: 1.2
##
{ 'event': 'BALLOON_CHANGE',
  'data': { 'actual': 'int' } }

##
# @GUEST_PANICKED
#
# Emitted when guest OS panic is detected
#
# @action: action that has been taken, currently always "pause"
#
# Since: 1.5
##
{ 'event': 'GUEST_PANICKED',
  'data': { 'action': 'GuestPanicAction' } }

##
# @QUORUM_FAILURE
#
# Emitted by the Quorum block driver if it fails to establish a quorum
#
# @reference: device name if defined else node name
#
# @sector-num: number of the first sector of the failed read operation
#
# @sectors-count: failed read operation sector count
#
# Since: 2.0
##
{ 'event': 'QUORUM_FAILURE',
  'data': { 'reference': 'str', 'sector-num': 'int', 'sectors-count': 'int' } }

##
# @QUORUM_REPORT_BAD
#
# Emitted to report a corruption of a Quorum file
#
# @error: #optional, error message. Only present on failure. This field
#         contains a human-readable error message. There are no semantics other
#         than that the block layer reported an error and clients should not
#         try to interpret the error string.
#
# @node-name: the graph node name of the block driver state
#
# @sector-num: number of the first sector of the failed read operation
#
# @sectors-count: failed read operation sector count
#
# Since: 2.0
##
{ 'event': 'QUORUM_REPORT_BAD',
  'data': { '*error': 'str', 'node-name': 'str',
            'sector-num': 'int', 'sectors-count': 'int' } }

##
# @VSERPORT_CHANGE
#
# Emitted when the guest opens or closes a virtio-serial port.
#
# @id: device identifier of the virtio-serial port
#
# @open: true if the guest has opened the virtio-serial port
#
# Since: 2.1
##
{ 'event': 'VSERPORT_CHANGE',
  'data': { 'id': 'str', 'open': 'bool' } }

##
# @MEM_UNPLUG_ERROR
#
# Emitted when memory hot unplug error occurs.
#
# @device: device name
#
# @msg: Informative message
#
# Since: 2.4
##
{ 'event': 'MEM_UNPLUG_ERROR',
  'data': { 'device': 'str', 'msg': 'str' } }