4 # This work is licensed under the terms of the GNU GPL, version 2 or later.
5 # See the COPYING file in the top-level directory.
8 # = Device infrastructure (qdev)
11 { 'include': 'qom.json' }
14 # @device-list-properties:
16 # List properties associated with a device.
18 # @typename: the type name of a device
20 # Returns: a list of ObjectPropertyInfo describing a devices
23 # Note: objects can create properties at runtime, for example to
24 # describe links between different devices and/or objects. These
25 # properties are not included in the output of this command.
29 { 'command': 'device-list-properties',
30 'data': { 'typename': 'str'},
31 'returns': [ 'ObjectPropertyInfo' ] }
38 # @driver: the name of the new device's driver
40 # @bus: the device's parent bus (device tree path)
42 # @id: the device's ID, must be unique
46 # @json-cli: If present, the "-device" command line option supports
47 # JSON syntax with a structure identical to the arguments of this
50 # @json-cli-hotplug: If present, the "-device" command line option
51 # supports JSON syntax without the reference counting leak that
56 # 1. Additional arguments depend on the type.
58 # 2. For detailed information about this command, please refer to
59 # the 'docs/qdev-device-use.txt' file.
61 # 3. It's possible to list device properties by running QEMU with
62 # the "-device DEVICE,help" command-line argument, where DEVICE
63 # is the device's name
67 # -> { "execute": "device_add",
68 # "arguments": { "driver": "e1000", "id": "net1",
70 # "mac": "52:54:00:12:34:56" } }
73 # TODO: This command effectively bypasses QAPI completely due to its
74 # "additional arguments" business. It shouldn't have been added
75 # to the schema in this form. It should be qapified properly, or
76 # replaced by a properly qapified command.
80 { 'command': 'device_add',
81 'data': {'driver': 'str', '*bus': 'str', '*id': 'str'},
82 'gen': false, # so we can get the additional arguments
83 'features': ['json-cli', 'json-cli-hotplug'] }
88 # Remove a device from a guest
90 # @id: the device's ID or QOM path
93 # - If @id is not a valid device, DeviceNotFound
95 # Notes: When this command completes, the device may not be removed
96 # from the guest. Hot removal is an operation that requires guest
97 # cooperation. This command merely requests that the guest begin
98 # the hot removal process. Completion of the device removal
99 # process is signaled with a DEVICE_DELETED event. Guest reset
100 # will automatically complete removal for all devices. If a
101 # guest-side error in the hot removal process is detected, the
102 # device will not be removed and a DEVICE_UNPLUG_GUEST_ERROR event
103 # is sent. Some errors cannot be detected.
109 # -> { "execute": "device_del",
110 # "arguments": { "id": "net1" } }
111 # <- { "return": {} }
113 # -> { "execute": "device_del",
114 # "arguments": { "id": "/machine/peripheral-anon/device[0]" } }
115 # <- { "return": {} }
117 { 'command': 'device_del', 'data': {'id': 'str'} }
122 # Emitted whenever the device removal completion is acknowledged by
123 # the guest. At this point, it's safe to reuse the specified device
124 # ID. Device removal can be initiated by the guest or by HMP/QMP
127 # @device: the device's ID if it has one
129 # @path: the device's QOM path
135 # <- { "event": "DEVICE_DELETED",
136 # "data": { "device": "virtio-net-pci-0",
137 # "path": "/machine/peripheral/virtio-net-pci-0" },
138 # "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
140 { 'event': 'DEVICE_DELETED',
141 'data': { '*device': 'str', 'path': 'str' } }
144 # @DEVICE_UNPLUG_GUEST_ERROR:
146 # Emitted when a device hot unplug fails due to a guest reported
149 # @device: the device's ID if it has one
151 # @path: the device's QOM path
157 # <- { "event": "DEVICE_UNPLUG_GUEST_ERROR",
158 # "data": { "device": "core1",
159 # "path": "/machine/peripheral/core1" },
160 # "timestamp": { "seconds": 1615570772, "microseconds": 202844 } }
162 { 'event': 'DEVICE_UNPLUG_GUEST_ERROR',
163 'data': { '*device': 'str', 'path': 'str' } }