diff options
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/block-core.json | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index ff8e2ba0cb..6866ae8a38 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2273,15 +2273,14 @@ # besides their data source and an optional backing file. # # @backing: reference to or definition of the backing file block -# device (if missing, taken from the image file content). It is -# allowed to pass an empty string here in order to disable the -# default backing file. +# device, null disables the backing file entirely. +# Defaults to the backing file stored the image file. # # Since: 2.9 ## { 'struct': 'BlockdevOptionsGenericCOWFormat', 'base': 'BlockdevOptionsGenericFormat', - 'data': { '*backing': 'BlockdevRef' } } + 'data': { '*backing': 'BlockdevRefOrNull' } } ## # @Qcow2OverlapCheckMode: @@ -3120,9 +3119,7 @@ # Reference to a block device. # # @definition: defines a new block device inline -# @reference: references the ID of an existing block device. An -# empty string means that no block device should be -# referenced. +# @reference: references the ID of an existing block device # # Since: 2.9 ## @@ -3131,6 +3128,24 @@ 'reference': 'str' } } ## +# @BlockdevRefOrNull: +# +# Reference to a block device. +# +# @definition: defines a new block device inline +# @reference: references the ID of an existing block device. +# An empty string means that no block device should +# be referenced. Deprecated; use null instead. +# @null: No block device should be referenced (since 2.10) +# +# Since: 2.9 +## +{ 'alternate': 'BlockdevRefOrNull', + 'data': { 'definition': 'BlockdevOptions', + 'reference': 'str', + 'null': 'null' } } + +## # @blockdev-add: # # Creates a new block device. If the @id option is given at the top level, a |