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Re: [libvirt] [PATCH v4 1/3] Add support for Veritas HyperScale (VxHS) block device protocol



On Thu, Jun 29, 2017 at 19:02:39 -0700, Ashish Mittal wrote:
> From: Ashish Mittal <ashish mittal veritas com>
> 
> Sample XML for a VxHS disk:
> 
> <disk type='network' device='disk'>
>   <driver name='qemu' type='raw' cache='none'/>
>   <source protocol='vxhs' name='eb90327c-8302-4725-9e1b-4e85ed4dc251'>
>     <host name='192.168.0.1' port='9999'/>
>   </source>
>   <backingStore/>
>   <target dev='vda' bus='virtio'/>
>   <serial>eb90327c-8302-4725-9e1b-4e85ed4dc251</serial>
>   <alias name='virtio-disk0'/>
>   <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
> </disk>
> 
> Signed-off-by: Ashish Mittal <ashish mittal veritas com>
> ---

[...]

Additionally since libvirt supports QAPI introspection, this means we
are now able to detect whether qemu supports vxhs and should report an
error if it doesn't.

You'll need to add a capability bit in qemu_capabilities.h and the detection
string in qemu_capabilities.c to virQEMUCapsQMPSchemaQueries[].

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