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author | Paolo Bonzini <pbonzini@redhat.com> | 2013-09-04 19:00:34 +0200 |
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committer | Stefan Hajnoczi <stefanha@redhat.com> | 2013-09-06 15:25:09 +0200 |
commit | facd6e2b5c0217f9d9eeb2ee497dda28009518bd (patch) | |
tree | d714230b019c9a89665a0acdbadef9ee9b0cf4cf /qapi-schema.json | |
parent | 4c93a13b5daf9bd5fca1a547661b0fb9a2f0ca52 (diff) | |
download | qemu-facd6e2b5c0217f9d9eeb2ee497dda28009518bd.zip qemu-facd6e2b5c0217f9d9eeb2ee497dda28009518bd.tar.gz qemu-facd6e2b5c0217f9d9eeb2ee497dda28009518bd.tar.bz2 |
docs, qapi: document qemu-img map
Eric Blake also requested including the output in qapi-schema.json,
so that it is published through the introspection mechanism.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qapi-schema.json')
-rw-r--r-- | qapi-schema.json | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/qapi-schema.json b/qapi-schema.json index 5d5164f..2b2c8bc 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -831,6 +831,35 @@ { 'enum': 'BlockDeviceIoStatus', 'data': [ 'ok', 'failed', 'nospace' ] } ## +# @BlockDeviceMapEntry: +# +# Entry in the metadata map of the device (returned by "qemu-img map") +# +# @start: Offset in the image of the first byte described by this entry +# (in bytes) +# +# @length: Length of the range described by this entry (in bytes) +# +# @depth: Number of layers (0 = top image, 1 = top image's backing file, etc.) +# before reaching one for which the range is allocated. The value is +# in the range 0 to the depth of the image chain - 1. +# +# @zero: the sectors in this range read as zeros +# +# @data: reading the image will actually read data from a file (in particular, +# if @offset is present this means that the sectors are not simply +# preallocated, but contain actual data in raw format) +# +# @offset: if present, the image file stores the data for this range in +# raw format at the given offset. +# +# Since 1.7 +## +{ 'type': 'BlockDeviceMapEntry', + 'data': { 'start': 'int', 'length': 'int', 'depth': 'int', 'zero': 'bool', + 'data': 'bool', '*offset': 'int' } } + +## # @BlockDirtyInfo: # # Block dirty bitmap information. |