diff options
Diffstat (limited to 'qapi/block-core.json')
| -rw-r--r-- | qapi/block-core.json | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 457df16638..3e8456a94a 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -4185,6 +4185,25 @@ 'data': { '*bottom': 'str' } } ## +# @OnCbwError: +# +# An enumeration of possible behaviors for copy-before-write operation +# failures. +# +# @break-guest-write: report the error to the guest. This way, the guest +# will not be able to overwrite areas that cannot be +# backed up, so the backup process remains valid. +# +# @break-snapshot: continue guest write. Doing so will make the provided +# snapshot state invalid and any backup or export +# process based on it will finally fail. +# +# Since: 7.1 +## +{ 'enum': 'OnCbwError', + 'data': [ 'break-guest-write', 'break-snapshot' ] } + +## # @BlockdevOptionsCbw: # # Driver specific block device options for the copy-before-write driver, @@ -4205,11 +4224,15 @@ # modifications (or removing) of specified bitmap doesn't # influence the filter. (Since 7.0) # +# @on-cbw-error: Behavior on failure of copy-before-write operation. +# Default is @break-guest-write. (Since 7.1) +# # Since: 6.2 ## { 'struct': 'BlockdevOptionsCbw', 'base': 'BlockdevOptionsGenericFormat', - 'data': { 'target': 'BlockdevRef', '*bitmap': 'BlockDirtyBitmap' } } + 'data': { 'target': 'BlockdevRef', '*bitmap': 'BlockDirtyBitmap', + '*on-cbw-error': 'OnCbwError' } } ## # @BlockdevOptions: |