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block/qapi: Add qdev device name to query-block

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With -blockdev/-device, users can indirectly create anonymous
BlockBackends, while the state of such backends is still of interest. As
a preparation for making such BBs visible in query-block, make sure that
they can be identified even without a name by adding the ID/QOM path of
their qdev device to BlockInfo.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Kevin Wolf 2017-07-11 13:27:38 +02:00
parent 77beef8365
commit 46eade7be8
4 changed files with 22 additions and 1 deletions
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9
qapi/block-core.json
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@ -457,6 +457,9 @@
#
# @device: The device name associated with the virtual device.
#
# @qdev: The qdev ID, or if no ID is assigned, the QOM path of the block
# device. (since 2.10)
#
# @type: This field is returned only for compatibility reasons, it should
# not be used (always returns 'unknown')
#
@ -482,7 +485,7 @@
# Since: 0.14.0
##
{ 'struct': 'BlockInfo',
'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
'data': {'device': 'str', '*qdev': 'str', 'type': 'str', 'removable': 'bool',
'locked': 'bool', '*inserted': 'BlockDeviceInfo',
'*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus',
'*dirty-bitmaps': ['BlockDirtyInfo'] } }
@ -577,6 +580,7 @@
# }
# }
# },
# "qdev": "ide_disk",
# "type":"unknown"
# },
# {
@ -584,12 +588,15 @@
# "device":"ide1-cd0",
# "locked":false,
# "removable":true,
# "qdev": "/machine/unattached/device[23]",
# "tray_open": false,
# "type":"unknown"
# },
# {
# "device":"floppy0",
# "locked":false,
# "removable":true,
# "qdev": "/machine/unattached/device[20]",
# "type":"unknown"
# },
# {