[libvirt] [libvirt RFC PATCH 00/10] Add support for qemu's JSON pseudo'protocol for backing store

[Daniel P. Berrange]

On Fri, Jul 15, 2016 at 03:46:33PM +0200, Peter Krempa wrote:
> Libvirt didn't handle this for a long time and VMs with such config would not
> start we should implement it.
> 
> Using JSON is basically the only option to specify advanced configuration for a
> backing file.
> 
> Field names were taken from qemu's source since there isn't really
> documentation for this.

Actually, this syntax is formally specified via QEMU   QAPI schema
language. In particular for block device options see $QEMU/qapi/block-core.json


Regards,
Daniel
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