diff options
Diffstat (limited to 'qapi/block-core.json')
| -rw-r--r-- | qapi/block-core.json | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index c04256185b..425fdab706 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -1393,9 +1393,12 @@ # # @driver: block driver name # @id: #optional id by which the new block device can be referred to. -# This is a required option on the top level of blockdev-add, and -# currently not allowed on any other level. -# @node-name: #optional the name of a block driver state node (Since 2.0) +# This option is only allowed on the top level of blockdev-add. +# A BlockBackend will be created by blockdev-add if and only if +# this option is given. +# @node-name: #optional the name of a block driver state node (Since 2.0). +# This option is required on the top level of blockdev-add if +# the @id option is not given there. # @discard: #optional discard-related options (default: ignore) # @cache: #optional cache-related options # @aio: #optional AIO backend (default: threads) @@ -1859,7 +1862,9 @@ ## # @blockdev-add: # -# Creates a new block device. +# Creates a new block device. If the @id option is given at the top level, a +# BlockBackend will be created; otherwise, @node-name is mandatory at the top +# level and no BlockBackend will be created. # # This command is still a work in progress. It doesn't support all # block drivers, it lacks a matching blockdev-del, and more. Stay |