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| author | Kevin Wolf | 2014-05-22 13:28:45 +0200 |
|---|---|---|
| committer | Kevin Wolf | 2014-12-10 10:31:09 +0100 |
| commit | 9e193c5a652faff719d7186e27f680e3888925a6 (patch) | |
| tree | a1e25e3f0078e5d407440252e6dd26c744c87455 /qapi | |
| parent | blockdev: acquire AioContext in change-backing-file (diff) | |
| download | qemu-9e193c5a652faff719d7186e27f680e3888925a6.tar.gz qemu-9e193c5a652faff719d7186e27f680e3888925a6.tar.xz qemu-9e193c5a652faff719d7186e27f680e3888925a6.zip | |
block/qapi: Add cache information to query-block
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'qapi')
| -rw-r--r-- | qapi/block-core.json | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json index 8e51e78e1b..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: |