diff options
Diffstat (limited to 'qapi/block-core.json')
| -rw-r--r-- | qapi/block-core.json | 36 |
1 files changed, 33 insertions, 3 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index a14e6ab1fd..6e8db15861 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -183,6 +183,22 @@ '*fragmented-clusters': 'int', '*compressed-clusters': 'int' } } ## +# @BlockdevCacheInfo +# +# Cache mode information for a block device +# +# @writeback: true if writeback mode is enabled +# @direct: true if the host page cache is bypassed (O_DIRECT) +# @no-flush: true if flush requests are ignored for the device +# +# Since: 2.3 +## +{ 'type': 'BlockdevCacheInfo', + 'data': { 'writeback': 'bool', + 'direct': 'bool', + 'no-flush': 'bool' } } + +## # @BlockDeviceInfo: # # Information about the backing device for a block device. @@ -239,6 +255,8 @@ # # @iops_size: #optional an I/O size in bytes (Since 1.7) # +# @cache: the cache mode used for the block device (since: 2.3) +# # Since: 0.14.0 # ## @@ -253,7 +271,7 @@ '*bps_max': 'int', '*bps_rd_max': 'int', '*bps_wr_max': 'int', '*iops_max': 'int', '*iops_rd_max': 'int', '*iops_wr_max': 'int', - '*iops_size': 'int' } } + '*iops_size': 'int', 'cache': 'BlockdevCacheInfo' } } ## # @BlockDeviceIoStatus: @@ -405,6 +423,8 @@ # @device: #optional If the stats are for a virtual block device, the name # corresponding to the virtual block device. # +# @device: #optional The node name of the device. (Since 2.3) +# # @stats: A @BlockDeviceStats for the device. # # @parent: #optional This describes the file block device if it has one. @@ -415,7 +435,8 @@ # Since: 0.14.0 ## { 'type': 'BlockStats', - 'data': {'*device': 'str', 'stats': 'BlockDeviceStats', + 'data': {'*device': 'str', '*node-name': 'str', + 'stats': 'BlockDeviceStats', '*parent': 'BlockStats', '*backing': 'BlockStats'} } @@ -424,11 +445,20 @@ # # Query the @BlockStats for all virtual block devices. # +# @query-nodes: #optional If true, the command will query all the block nodes +# that have a node name, in a list which will include "parent" +# information, but not "backing". +# If false or omitted, the behavior is as before - query all the +# device backends, recursively including their "parent" and +# "backing". (Since 2.3) +# # Returns: A list of @BlockStats for each virtual block devices. # # Since: 0.14.0 ## -{ 'command': 'query-blockstats', 'returns': ['BlockStats'] } +{ 'command': 'query-blockstats', + 'data': { '*query-nodes': 'bool' }, + 'returns': ['BlockStats'] } ## # @BlockdevOnError: |