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Re: [Xen-devel] [RFC PATCH] xen-block: introduces extra request to pass-through SCSI commands

On March 3, 2016 7:25:11 AM EST, Juergen Gross <jgross@xxxxxxxx> wrote:
>On 03/03/16 13:03, Ian Jackson wrote:
>> Paul Durrant writes ("RE: [RFC PATCH] xen-block: introduces extra
>request to pass-through SCSI commands"):
>>> Actually, that's quite desirable. The existing driver is actually a
>>> SCSI HBA driver (because that's all you can write is you use thr
>>> Windows STORPORT wrapper... which you need to if you want to pass
>>> WHQL) so making it use a PV scsi protocol would probably make it
>>> smaller since all the scsi <-> blkif translation code could be
>>> ripped out and all the stuff to synthesize INQUIRY responses based
>>> on vbd data in xenstore could go away too.

Wait a minute? You have that in the driver? Is this documented somewhere? Did I 
miss this in blkif.h?

>> Do non-Linux hosts have something like LIO ?
>Are there any pvSCSI backends other than the one in Linux?

Not that I know off.

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