| Message ID | 1500993699-19299-3-git-send-email-pl@kamp.de (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 07/25/2017 09:41 AM, Peter Lieven wrote: > Signed-off-by: Peter Lieven <pl@kamp.de> > --- > qapi/block-core.json | 40 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 40 insertions(+) > > diff --git a/qapi/block-core.json b/qapi/block-core.json > index 833c602..f652206 100644 > --- a/qapi/block-core.json > +++ b/qapi/block-core.json > @@ -2455,6 +2455,46 @@ > '*encrypt': 'BlockdevQcow2Encryption' } } > > ## > +# @Qcow2CompressFormat: > +# > +# @deflate: standard zlib deflate compression > +# > +# Since: 2.11 > +## > +{ 'enum': 'Qcow2CompressFormat', > + 'data': [ 'deflate' ] } > + > +## > +# @Qcow2CompressDeflate: > +# > +# @level: specifies the compression level. 0 = default compression, > +# 1 = fastest compression, 9 = best compresion By putting level here instead of in the common base type, you'll have to re-implement it for each compression type - but that's also okay since they (might) have different ranges of valid levels. s/compresion/compression/ maybe: 0 = default compression (same as level 6), 1=... > +# @window-size: specifies the window size used for deflate compression. > +# 8...15 = window size of 2^8 to 2^15 byte (default) 15 is the new default, but it might be worth an explicit mention that a window of 12 is required for back-compat to older images. > +# > +# Since: 2.11 > +## > +{ 'struct': 'Qcow2CompressDeflate', > + 'data': { '*level': 'uint8', > + '*window-size': 'uint8' } } > + > +## > +# @Qcow2Compress: > +# > +# Specifies the compression format and compression level that should > +# be used for compressed Qcow2 clusters. > +# > +# @format: specifies the compression format to use. (defaults to zlib) s/zlib/deflate/ > +# > +# Since: 2.11 > +## > +{ 'union': 'Qcow2Compress', > + 'base': { 'format': 'Qcow2CompressFormat' }, > + 'discriminator': 'format', > + 'data': { 'deflate': 'Qcow2CompressDeflate' } } > + > + > +## > # @BlockdevOptionsSsh: > # > # @server: host address >
diff --git a/qapi/block-core.json b/qapi/block-core.json index 833c602..f652206 100644 --- a/qapi/block-core.json +++ b/qapi/block-core.json @@ -2455,6 +2455,46 @@ '*encrypt': 'BlockdevQcow2Encryption' } } ## +# @Qcow2CompressFormat: +# +# @deflate: standard zlib deflate compression +# +# Since: 2.11 +## +{ 'enum': 'Qcow2CompressFormat', + 'data': [ 'deflate' ] } + +## +# @Qcow2CompressDeflate: +# +# @level: specifies the compression level. 0 = default compression, +# 1 = fastest compression, 9 = best compresion +# @window-size: specifies the window size used for deflate compression. +# 8...15 = window size of 2^8 to 2^15 byte (default) +# +# Since: 2.11 +## +{ 'struct': 'Qcow2CompressDeflate', + 'data': { '*level': 'uint8', + '*window-size': 'uint8' } } + +## +# @Qcow2Compress: +# +# Specifies the compression format and compression level that should +# be used for compressed Qcow2 clusters. +# +# @format: specifies the compression format to use. (defaults to zlib) +# +# Since: 2.11 +## +{ 'union': 'Qcow2Compress', + 'base': { 'format': 'Qcow2CompressFormat' }, + 'discriminator': 'format', + 'data': { 'deflate': 'Qcow2CompressDeflate' } } + + +## # @BlockdevOptionsSsh: # # @server: host address
Signed-off-by: Peter Lieven <pl@kamp.de> --- qapi/block-core.json | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+)