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qapi: add x-block-dirty-bitmap-enable/disable

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Expose the ability to turn bitmaps "on" or "off". This is experimental
and principally for the sake of the Libvirt Checkpoints API, and it may
or may not be committed for 3.0.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: 20180606182449.1607-3-jsnow@redhat.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2018-06-11 14:53:32 -04:00 • committed by John Snow
parent 8b1402ce80
commit 5c5d2e50e5
2 changed files with 84 additions and 0 deletions
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42
qapi/block-core.json
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@ -1808,6 +1808,48 @@
{ 'command': 'block-dirty-bitmap-clear',
'data': 'BlockDirtyBitmap' }
##
# @x-block-dirty-bitmap-enable:
#
# Enables a dirty bitmap so that it will begin tracking disk changes.
#
# Returns: nothing on success
# If @node is not a valid block device, DeviceNotFound
# If @name is not found, GenericError with an explanation
#
# Since: 3.0
#
# Example:
#
# -> { "execute": "x-block-dirty-bitmap-enable",
# "arguments": { "node": "drive0", "name": "bitmap0" } }
# <- { "return": {} }
#
##
{ 'command': 'x-block-dirty-bitmap-enable',
'data': 'BlockDirtyBitmap' }
##
# @x-block-dirty-bitmap-disable:
#
# Disables a dirty bitmap so that it will stop tracking disk changes.
#
# Returns: nothing on success
# If @node is not a valid block device, DeviceNotFound
# If @name is not found, GenericError with an explanation
#
# Since: 3.0
#
# Example:
#
# -> { "execute": "x-block-dirty-bitmap-disable",
# "arguments": { "node": "drive0", "name": "bitmap0" } }
# <- { "return": {} }
#
##
{ 'command': 'x-block-dirty-bitmap-disable',
'data': 'BlockDirtyBitmap' }
##
# @BlockDirtyBitmapSha256:
#