mirror of
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![Paolo Bonzini](/assets/img/avatar_default.png)
Suggested-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-ID: <20240325104502.1358693-1-pbonzini@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> [Capitalize "ID", update qapi/pragma.json] Signed-off-by: Markus Armbruster <armbru@redhat.com>
692 lines
17 KiB
Python
692 lines
17 KiB
Python
# -*- Mode: Python -*-
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# vim: filetype=python
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#
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##
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# = VM run state
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##
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##
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# @RunState:
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#
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# An enumeration of VM run states.
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#
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# @debug: QEMU is running on a debugger
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#
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# @finish-migrate: guest is paused to finish the migration process
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#
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# @inmigrate: guest is paused waiting for an incoming migration. Note
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# that this state does not tell whether the machine will start at
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# the end of the migration. This depends on the command-line -S
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# option and any invocation of 'stop' or 'cont' that has happened
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# since QEMU was started.
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#
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# @internal-error: An internal error that prevents further guest
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# execution has occurred
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#
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# @io-error: the last IOP has failed and the device is configured to
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# pause on I/O errors
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#
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# @paused: guest has been paused via the 'stop' command
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#
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# @postmigrate: guest is paused following a successful 'migrate'
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#
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# @prelaunch: QEMU was started with -S and guest has not started
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#
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# @restore-vm: guest is paused to restore VM state
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#
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# @running: guest is actively running
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#
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# @save-vm: guest is paused to save the VM state
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#
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# @shutdown: guest is shut down (and -no-shutdown is in use)
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#
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# @suspended: guest is suspended (ACPI S3)
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#
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# @watchdog: the watchdog action is configured to pause and has been
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# triggered
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#
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# @guest-panicked: guest has been panicked as a result of guest OS
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# panic
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#
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# @colo: guest is paused to save/restore VM state under colo
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# checkpoint, VM can not get into this state unless colo
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# capability is enabled for migration. (since 2.8)
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##
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{ 'enum': 'RunState',
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'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
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'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
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'running', 'save-vm', 'shutdown', 'suspended', 'watchdog',
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'guest-panicked', 'colo' ] }
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##
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# @ShutdownCause:
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#
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# An enumeration of reasons for a Shutdown.
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#
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# @none: No shutdown request pending
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#
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# @host-error: An error prevents further use of guest
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#
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# @host-qmp-quit: Reaction to the QMP command 'quit'
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#
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# @host-qmp-system-reset: Reaction to the QMP command 'system_reset'
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#
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# @host-signal: Reaction to a signal, such as SIGINT
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#
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# @host-ui: Reaction to a UI event, like window close
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#
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# @guest-shutdown: Guest shutdown/suspend request, via ACPI or other
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# hardware-specific means
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#
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# @guest-reset: Guest reset request, and command line turns that into
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# a shutdown
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#
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# @guest-panic: Guest panicked, and command line turns that into a
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# shutdown
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#
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# @subsystem-reset: Partial guest reset that does not trigger QMP
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# events and ignores --no-reboot. This is useful for sanitizing
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# hypercalls on s390 that are used during kexec/kdump/boot
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#
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# @snapshot-load: A snapshot is being loaded by the record & replay
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# subsystem. This value is used only within QEMU. It doesn't
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# occur in QMP. (since 7.2)
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##
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{ 'enum': 'ShutdownCause',
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# Beware, shutdown_caused_by_guest() depends on enumeration order
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'data': [ 'none', 'host-error', 'host-qmp-quit', 'host-qmp-system-reset',
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'host-signal', 'host-ui', 'guest-shutdown', 'guest-reset',
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'guest-panic', 'subsystem-reset', 'snapshot-load'] }
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##
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# @StatusInfo:
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#
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# Information about VM run state
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#
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# @running: true if all VCPUs are runnable, false if not runnable
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#
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# @status: the virtual machine @RunState
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#
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# Since: 0.14
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##
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{ 'struct': 'StatusInfo',
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'data': {'running': 'bool',
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'status': 'RunState'} }
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##
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# @query-status:
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#
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# Query the run status of the VM
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#
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# Returns: @StatusInfo reflecting the VM
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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-status" }
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# <- { "return": { "running": true,
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# "status": "running" } }
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##
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{ 'command': 'query-status', 'returns': 'StatusInfo',
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'allow-preconfig': true }
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##
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# @SHUTDOWN:
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#
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# Emitted when the virtual machine has shut down, indicating that qemu
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# is about to exit.
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#
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# @guest: If true, the shutdown was triggered by a guest request (such
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# as a guest-initiated ACPI shutdown request or other
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# hardware-specific action) rather than a host request (such as
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# sending qemu a SIGINT). (since 2.10)
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#
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# @reason: The @ShutdownCause which resulted in the SHUTDOWN.
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# (since 4.0)
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#
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# Note: If the command-line option "-no-shutdown" has been specified,
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# qemu will not exit, and a STOP event will eventually follow the
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# SHUTDOWN event
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#
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# Since: 0.12
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#
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# Example:
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#
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# <- { "event": "SHUTDOWN",
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# "data": { "guest": true, "reason": "guest-shutdown" },
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# "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
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##
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{ 'event': 'SHUTDOWN', 'data': { 'guest': 'bool', 'reason': 'ShutdownCause' } }
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##
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# @POWERDOWN:
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#
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# Emitted when the virtual machine is powered down through the power
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# control system, such as via ACPI.
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#
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# Since: 0.12
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#
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# Example:
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#
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# <- { "event": "POWERDOWN",
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# "timestamp": { "seconds": 1267040730, "microseconds": 682951 } }
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##
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{ 'event': 'POWERDOWN' }
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##
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# @RESET:
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#
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# Emitted when the virtual machine is reset
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#
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# @guest: If true, the reset was triggered by a guest request (such as
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# a guest-initiated ACPI reboot request or other hardware-specific
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# action) rather than a host request (such as the QMP command
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# system_reset). (since 2.10)
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#
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# @reason: The @ShutdownCause of the RESET. (since 4.0)
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#
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# Since: 0.12
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#
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# Example:
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#
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# <- { "event": "RESET",
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# "data": { "guest": false, "reason": "guest-reset" },
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# "timestamp": { "seconds": 1267041653, "microseconds": 9518 } }
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##
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{ 'event': 'RESET', 'data': { 'guest': 'bool', 'reason': 'ShutdownCause' } }
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##
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# @STOP:
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#
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# Emitted when the virtual machine is stopped
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#
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# Since: 0.12
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#
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# Example:
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#
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# <- { "event": "STOP",
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# "timestamp": { "seconds": 1267041730, "microseconds": 281295 } }
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##
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{ 'event': 'STOP' }
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##
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# @RESUME:
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#
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# Emitted when the virtual machine resumes execution
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#
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# Since: 0.12
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#
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# Example:
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#
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# <- { "event": "RESUME",
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# "timestamp": { "seconds": 1271770767, "microseconds": 582542 } }
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##
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{ 'event': 'RESUME' }
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##
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# @SUSPEND:
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#
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# Emitted when guest enters a hardware suspension state, for example,
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# S3 state, which is sometimes called standby state
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#
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# Since: 1.1
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#
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# Example:
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#
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# <- { "event": "SUSPEND",
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# "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
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##
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{ 'event': 'SUSPEND' }
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##
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# @SUSPEND_DISK:
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#
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# Emitted when guest enters a hardware suspension state with data
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# saved on disk, for example, S4 state, which is sometimes called
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# hibernate state
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#
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# Note: QEMU shuts down (similar to event @SHUTDOWN) when entering
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# this state
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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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# <- { "event": "SUSPEND_DISK",
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# "timestamp": { "seconds": 1344456160, "microseconds": 309119 } }
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##
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{ 'event': 'SUSPEND_DISK' }
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##
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# @WAKEUP:
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#
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# Emitted when the guest has woken up from suspend state and is
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# running
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#
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# Since: 1.1
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#
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# Example:
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#
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# <- { "event": "WAKEUP",
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# "timestamp": { "seconds": 1344522075, "microseconds": 745528 } }
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##
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{ 'event': 'WAKEUP' }
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##
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# @WATCHDOG:
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#
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# Emitted when the watchdog device's timer is expired
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#
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# @action: action that has been taken
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#
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# Note: If action is "reset", "shutdown", or "pause" the WATCHDOG
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# event is followed respectively by the RESET, SHUTDOWN, or STOP
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# events
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#
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# Note: This event is rate-limited.
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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": "WATCHDOG",
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# "data": { "action": "reset" },
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# "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
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##
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{ 'event': 'WATCHDOG',
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'data': { 'action': 'WatchdogAction' } }
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##
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# @WatchdogAction:
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#
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# An enumeration of the actions taken when the watchdog device's timer
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# is expired
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#
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# @reset: system resets
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#
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# @shutdown: system shutdown, note that it is similar to @powerdown,
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# which tries to set to system status and notify guest
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#
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# @poweroff: system poweroff, the emulator program exits
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#
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# @pause: system pauses, similar to @stop
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#
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# @debug: system enters debug state
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#
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# @none: nothing is done
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#
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# @inject-nmi: a non-maskable interrupt is injected into the first
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# VCPU (all VCPUS on x86) (since 2.4)
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#
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# Since: 2.1
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##
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{ 'enum': 'WatchdogAction',
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'data': [ 'reset', 'shutdown', 'poweroff', 'pause', 'debug', 'none',
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'inject-nmi' ] }
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##
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# @RebootAction:
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#
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# Possible QEMU actions upon guest reboot
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#
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# @reset: Reset the VM
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#
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# @shutdown: Shutdown the VM and exit, according to the shutdown
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# action
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#
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# Since: 6.0
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##
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{ 'enum': 'RebootAction',
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'data': [ 'reset', 'shutdown' ] }
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##
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# @ShutdownAction:
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#
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# Possible QEMU actions upon guest shutdown
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#
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# @poweroff: Shutdown the VM and exit
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#
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# @pause: pause the VM
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#
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# Since: 6.0
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##
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{ 'enum': 'ShutdownAction',
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'data': [ 'poweroff', 'pause' ] }
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##
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# @PanicAction:
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#
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# @none: Continue VM execution
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#
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# @pause: Pause the VM
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#
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# @shutdown: Shutdown the VM and exit, according to the shutdown
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# action
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#
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# @exit-failure: Shutdown the VM and exit with nonzero status (since
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# 7.1)
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#
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# Since: 6.0
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##
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{ 'enum': 'PanicAction',
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'data': [ 'pause', 'shutdown', 'exit-failure', 'none' ] }
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##
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# @watchdog-set-action:
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#
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# Set watchdog action.
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#
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# @action: @WatchdogAction action taken when watchdog timer expires.
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#
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# Since: 2.11
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#
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# Example:
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#
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# -> { "execute": "watchdog-set-action",
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# "arguments": { "action": "inject-nmi" } }
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# <- { "return": {} }
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##
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{ 'command': 'watchdog-set-action', 'data' : {'action': 'WatchdogAction'} }
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##
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# @set-action:
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#
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# Set the actions that will be taken by the emulator in response to
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# guest events.
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#
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# @reboot: @RebootAction action taken on guest reboot.
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#
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# @shutdown: @ShutdownAction action taken on guest shutdown.
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#
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# @panic: @PanicAction action taken on guest panic.
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#
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# @watchdog: @WatchdogAction action taken when watchdog timer expires.
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#
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# Since: 6.0
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#
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# Example:
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#
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# -> { "execute": "set-action",
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# "arguments": { "reboot": "shutdown",
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# "shutdown" : "pause",
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# "panic": "pause",
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# "watchdog": "inject-nmi" } }
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# <- { "return": {} }
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##
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{ 'command': 'set-action',
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'data': { '*reboot': 'RebootAction',
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'*shutdown': 'ShutdownAction',
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'*panic': 'PanicAction',
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'*watchdog': 'WatchdogAction' },
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'allow-preconfig': true }
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##
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# @GUEST_PANICKED:
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#
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# Emitted when guest OS panic is detected
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#
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# @action: action that has been taken, currently always "pause"
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#
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# @info: information about a panic (since 2.9)
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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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# <- { "event": "GUEST_PANICKED",
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# "data": { "action": "pause" },
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# "timestamp": { "seconds": 1648245231, "microseconds": 900001 } }
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##
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{ 'event': 'GUEST_PANICKED',
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'data': { 'action': 'GuestPanicAction', '*info': 'GuestPanicInformation' } }
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##
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# @GUEST_CRASHLOADED:
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#
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# Emitted when guest OS crash loaded is detected
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#
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# @action: action that has been taken, currently always "run"
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#
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# @info: information about a panic
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#
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# Since: 5.0
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#
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# Example:
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#
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# <- { "event": "GUEST_CRASHLOADED",
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# "data": { "action": "run" },
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# "timestamp": { "seconds": 1648245259, "microseconds": 893771 } }
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##
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{ 'event': 'GUEST_CRASHLOADED',
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'data': { 'action': 'GuestPanicAction', '*info': 'GuestPanicInformation' } }
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##
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# @GuestPanicAction:
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#
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# An enumeration of the actions taken when guest OS panic is detected
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#
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# @pause: system pauses
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#
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# @poweroff: system powers off (since 2.8)
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#
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# @run: system continues to run (since 5.0)
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#
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# Since: 2.1
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##
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{ 'enum': 'GuestPanicAction',
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'data': [ 'pause', 'poweroff', 'run' ] }
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##
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# @GuestPanicInformationType:
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#
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# An enumeration of the guest panic information types
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#
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# @hyper-v: hyper-v guest panic information type
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#
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# @s390: s390 guest panic information type (Since: 2.12)
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#
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# Since: 2.9
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##
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{ 'enum': 'GuestPanicInformationType',
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'data': [ 'hyper-v', 's390' ] }
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##
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# @GuestPanicInformation:
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#
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# Information about a guest panic
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#
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# @type: Crash type that defines the hypervisor specific information
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#
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# Since: 2.9
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##
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{'union': 'GuestPanicInformation',
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'base': {'type': 'GuestPanicInformationType'},
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'discriminator': 'type',
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'data': {'hyper-v': 'GuestPanicInformationHyperV',
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's390': 'GuestPanicInformationS390'}}
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##
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# @GuestPanicInformationHyperV:
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#
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# Hyper-V specific guest panic information (HV crash MSRs)
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#
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# @arg1: for Windows, STOP code for the guest crash. For Linux,
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# an error code.
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#
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# @arg2: for Windows, first argument of the STOP. For Linux, the
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# guest OS ID, which has the kernel version in bits 16-47
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# and 0x8100 in bits 48-63.
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#
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# @arg3: for Windows, second argument of the STOP. For Linux, the
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# program counter of the guest.
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#
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# @arg4: for Windows, third argument of the STOP. For Linux, the
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# RAX register (x86) or the stack pointer (aarch64) of the guest.
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#
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# @arg5: for Windows, fourth argument of the STOP. For x86 Linux, the
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# stack pointer of the guest.
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#
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# Since: 2.9
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##
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{'struct': 'GuestPanicInformationHyperV',
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|
'data': {'arg1': 'uint64',
|
|
'arg2': 'uint64',
|
|
'arg3': 'uint64',
|
|
'arg4': 'uint64',
|
|
'arg5': 'uint64'}}
|
|
|
|
##
|
|
# @S390CrashReason:
|
|
#
|
|
# Reason why the CPU is in a crashed state.
|
|
#
|
|
# @unknown: no crash reason was set
|
|
#
|
|
# @disabled-wait: the CPU has entered a disabled wait state
|
|
#
|
|
# @extint-loop: clock comparator or cpu timer interrupt with new PSW
|
|
# enabled for external interrupts
|
|
#
|
|
# @pgmint-loop: program interrupt with BAD new PSW
|
|
#
|
|
# @opint-loop: operation exception interrupt with invalid code at the
|
|
# program interrupt new PSW
|
|
#
|
|
# Since: 2.12
|
|
##
|
|
{ 'enum': 'S390CrashReason',
|
|
'data': [ 'unknown',
|
|
'disabled-wait',
|
|
'extint-loop',
|
|
'pgmint-loop',
|
|
'opint-loop' ] }
|
|
|
|
##
|
|
# @GuestPanicInformationS390:
|
|
#
|
|
# S390 specific guest panic information (PSW)
|
|
#
|
|
# @core: core id of the CPU that crashed
|
|
#
|
|
# @psw-mask: control fields of guest PSW
|
|
#
|
|
# @psw-addr: guest instruction address
|
|
#
|
|
# @reason: guest crash reason
|
|
#
|
|
# Since: 2.12
|
|
##
|
|
{'struct': 'GuestPanicInformationS390',
|
|
'data': {'core': 'uint32',
|
|
'psw-mask': 'uint64',
|
|
'psw-addr': 'uint64',
|
|
'reason': 'S390CrashReason'}}
|
|
|
|
##
|
|
# @MEMORY_FAILURE:
|
|
#
|
|
# Emitted when a memory failure occurs on host side.
|
|
#
|
|
# @recipient: recipient is defined as @MemoryFailureRecipient.
|
|
#
|
|
# @action: action that has been taken.
|
|
#
|
|
# @flags: flags for MemoryFailureAction.
|
|
#
|
|
# Since: 5.2
|
|
#
|
|
# Example:
|
|
#
|
|
# <- { "event": "MEMORY_FAILURE",
|
|
# "data": { "recipient": "hypervisor",
|
|
# "action": "fatal",
|
|
# "flags": { "action-required": false,
|
|
# "recursive": false } },
|
|
# "timestamp": { "seconds": 1267061043, "microseconds": 959568 } }
|
|
##
|
|
{ 'event': 'MEMORY_FAILURE',
|
|
'data': { 'recipient': 'MemoryFailureRecipient',
|
|
'action': 'MemoryFailureAction',
|
|
'flags': 'MemoryFailureFlags'} }
|
|
|
|
##
|
|
# @MemoryFailureRecipient:
|
|
#
|
|
# Hardware memory failure occurs, handled by recipient.
|
|
#
|
|
# @hypervisor: memory failure at QEMU process address space. (none
|
|
# guest memory, but used by QEMU itself).
|
|
#
|
|
# @guest: memory failure at guest memory,
|
|
#
|
|
# Since: 5.2
|
|
##
|
|
{ 'enum': 'MemoryFailureRecipient',
|
|
'data': [ 'hypervisor',
|
|
'guest' ] }
|
|
|
|
##
|
|
# @MemoryFailureAction:
|
|
#
|
|
# Actions taken by QEMU in response to a hardware memory failure.
|
|
#
|
|
# @ignore: the memory failure could be ignored. This will only be the
|
|
# case for action-optional failures.
|
|
#
|
|
# @inject: memory failure occurred in guest memory, the guest enabled
|
|
# MCE handling mechanism, and QEMU could inject the MCE into the
|
|
# guest successfully.
|
|
#
|
|
# @fatal: the failure is unrecoverable. This occurs for
|
|
# action-required failures if the recipient is the hypervisor;
|
|
# QEMU will exit.
|
|
#
|
|
# @reset: the failure is unrecoverable but confined to the guest.
|
|
# This occurs if the recipient is a guest guest which is not ready
|
|
# to handle memory failures.
|
|
#
|
|
# Since: 5.2
|
|
##
|
|
{ 'enum': 'MemoryFailureAction',
|
|
'data': [ 'ignore',
|
|
'inject',
|
|
'fatal',
|
|
'reset' ] }
|
|
|
|
##
|
|
# @MemoryFailureFlags:
|
|
#
|
|
# Additional information on memory failures.
|
|
#
|
|
# @action-required: whether a memory failure event is action-required
|
|
# or action-optional (e.g. a failure during memory scrub).
|
|
#
|
|
# @recursive: whether the failure occurred while the previous failure
|
|
# was still in progress.
|
|
#
|
|
# Since: 5.2
|
|
##
|
|
{ 'struct': 'MemoryFailureFlags',
|
|
'data': { 'action-required': 'bool',
|
|
'recursive': 'bool'} }
|
|
|
|
##
|
|
# @NotifyVmexitOption:
|
|
#
|
|
# An enumeration of the options specified when enabling notify VM exit
|
|
#
|
|
# @run: enable the feature, do nothing and continue if the notify VM
|
|
# exit happens.
|
|
#
|
|
# @internal-error: enable the feature, raise a internal error if the
|
|
# notify VM exit happens.
|
|
#
|
|
# @disable: disable the feature.
|
|
#
|
|
# Since: 7.2
|
|
##
|
|
{ 'enum': 'NotifyVmexitOption',
|
|
'data': [ 'run', 'internal-error', 'disable' ] }
|