780 lines
18 KiB
Python
780 lines
18 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" or the
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# 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: 0.14.0
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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: 0.14.0
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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: 0.14.0
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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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# @KvmInfo:
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#
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# Information about support for KVM acceleration
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#
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# @enabled: true if KVM acceleration is active
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#
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# @present: true if KVM acceleration is built into this executable
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#
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# Since: 0.14.0
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##
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{ 'struct': 'KvmInfo', 'data': {'enabled': 'bool', 'present': 'bool'} }
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##
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# @query-kvm:
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#
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# Returns information about KVM acceleration
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#
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# Returns: @KvmInfo
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# -> { "execute": "query-kvm" }
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# <- { "return": { "enabled": true, "present": true } }
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#
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##
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{ 'command': 'query-kvm', 'returns': 'KvmInfo' }
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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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# 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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##
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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: 0.14.0
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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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# @system_reset:
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#
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# Performs a hard reset of a guest.
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# -> { "execute": "system_reset" }
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# <- { "return": {} }
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#
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##
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{ 'command': 'system_reset' }
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##
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# @system_powerdown:
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#
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# Requests that a guest perform a powerdown operation.
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#
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# Since: 0.14.0
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#
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# Notes: A guest may or may not respond to this command. This command
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# returning does not indicate that a guest has accepted the request or
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# that it has shut down. Many guests will respond to this command by
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# prompting the user in some way.
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# Example:
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#
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# -> { "execute": "system_powerdown" }
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# <- { "return": {} }
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#
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##
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{ 'command': 'system_powerdown' }
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##
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# @memsave:
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#
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# Save a portion of guest memory to a file.
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#
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# @val: the virtual address of the guest to start from
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#
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# @size: the size of memory region to save
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#
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# @filename: the file to save the memory to as binary data
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#
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# @cpu-index: the index of the virtual CPU to use for translating the
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# virtual address (defaults to CPU 0)
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#
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# Returns: Nothing on success
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#
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# Since: 0.14.0
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#
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# Notes: Errors were not reliably returned until 1.1
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#
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# Example:
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#
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# -> { "execute": "memsave",
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# "arguments": { "val": 10,
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# "size": 100,
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# "filename": "/tmp/virtual-mem-dump" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'memsave',
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'data': {'val': 'int', 'size': 'int', 'filename': 'str', '*cpu-index': 'int'} }
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##
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# @pmemsave:
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#
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# Save a portion of guest physical memory to a file.
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#
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# @val: the physical address of the guest to start from
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#
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# @size: the size of memory region to save
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#
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# @filename: the file to save the memory to as binary data
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#
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# Returns: Nothing on success
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#
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# Since: 0.14.0
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#
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# Notes: Errors were not reliably returned until 1.1
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#
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# Example:
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#
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# -> { "execute": "pmemsave",
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# "arguments": { "val": 10,
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# "size": 100,
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# "filename": "/tmp/physical-mem-dump" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'pmemsave',
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'data': {'val': 'int', 'size': 'int', 'filename': 'str'} }
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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: 0.14.0
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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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# 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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##
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# @system_wakeup:
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#
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# Wake up guest from suspend. If the guest has wake-up from suspend
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# support enabled (wakeup-suspend-support flag from
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# query-current-machine), wake-up guest from suspend if the guest is
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# in SUSPENDED state. Return an error otherwise.
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#
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# Since: 1.1
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#
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# Returns: nothing.
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#
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# Note: prior to 4.0, this command does nothing in case the guest
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# isn't suspended.
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#
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# Example:
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#
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# -> { "execute": "system_wakeup" }
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# <- { "return": {} }
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#
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##
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{ 'command': 'system_wakeup' }
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##
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# @inject-nmi:
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#
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# Injects a Non-Maskable Interrupt into the default CPU (x86/s390) or all CPUs (ppc64).
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# The command fails when the guest doesn't support injecting.
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#
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# Returns: If successful, nothing
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#
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# Since: 0.14.0
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#
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# Note: prior to 2.1, this command was only supported for x86 and s390 VMs
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#
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# Example:
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#
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# -> { "execute": "inject-nmi" }
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# <- { "return": {} }
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#
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##
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{ 'command': 'inject-nmi' }
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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: 0.14.0
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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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# @change:
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#
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# This command is multiple commands multiplexed together.
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#
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# @device: This is normally the name of a block device but it may also be 'vnc'.
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# when it's 'vnc', then sub command depends on @target
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#
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# @target: If @device is a block device, then this is the new filename.
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# If @device is 'vnc', then if the value 'password' selects the vnc
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# change password command. Otherwise, this specifies a new server URI
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# address to listen to for VNC connections.
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#
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# @arg: If @device is a block device, then this is an optional format to open
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# the device with.
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# If @device is 'vnc' and @target is 'password', this is the new VNC
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# password to set. See change-vnc-password for additional notes.
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#
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# Features:
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# @deprecated: This command is deprecated. For changing block
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# devices, use 'blockdev-change-medium' instead; for changing VNC
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# parameters, use 'change-vnc-password' instead.
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#
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# Returns: - Nothing on success.
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# - If @device is not a valid block device, DeviceNotFound
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#
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# Since: 0.14.0
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#
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# Example:
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#
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# 1. Change a removable medium
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#
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# -> { "execute": "change",
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# "arguments": { "device": "ide1-cd0",
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# "target": "/srv/images/Fedora-12-x86_64-DVD.iso" } }
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# <- { "return": {} }
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#
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# 2. Change VNC password
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#
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# -> { "execute": "change",
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# "arguments": { "device": "vnc", "target": "password",
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# "arg": "foobar1" } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'change',
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'data': {'device': 'str', 'target': 'str', '*arg': 'str'},
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'features': [ 'deprecated' ] }
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##
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# @xen-set-global-dirty-log:
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#
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# Enable or disable the global dirty log mode.
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#
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# @enable: true to enable, false to disable.
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#
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# Returns: nothing
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#
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# Since: 1.3
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#
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# Example:
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#
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# -> { "execute": "xen-set-global-dirty-log",
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# "arguments": { "enable": true } }
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# <- { "return": {} }
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#
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##
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{ 'command': 'xen-set-global-dirty-log', 'data': { 'enable': 'bool' } }
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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: 0.14.0
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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: 0.14.0
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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: 1.2.0
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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: 1.2.0
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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',
|
|
'*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: 1.2.0
|
|
#
|
|
# 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: 1.2.0
|
|
##
|
|
{ '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: 1.2.0
|
|
##
|
|
{ 'struct': 'FdsetInfo',
|
|
'data': {'fdset-id': 'int', 'fds': ['FdsetFdInfo']} }
|
|
|
|
##
|
|
# @query-fdsets:
|
|
#
|
|
# Return information describing all fd sets.
|
|
#
|
|
# Returns: A list of @FdsetInfo
|
|
#
|
|
# Since: 1.2.0
|
|
#
|
|
# 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 }
|
|
|
|
##
|
|
# @xen-load-devices-state:
|
|
#
|
|
# Load the state of all devices from file. The RAM and the block devices
|
|
# of the VM are not loaded by this command.
|
|
#
|
|
# @filename: the file to load the state of the devices from as binary
|
|
# data. See xen-save-devices-state.txt for a description of the binary
|
|
# format.
|
|
#
|
|
# Since: 2.7
|
|
#
|
|
# Example:
|
|
#
|
|
# -> { "execute": "xen-load-devices-state",
|
|
# "arguments": { "filename": "/tmp/resume" } }
|
|
# <- { "return": {} }
|
|
#
|
|
##
|
|
{ 'command': 'xen-load-devices-state', 'data': {'filename': 'str'} }
|