Re: [Xen-devel] [PATCH V2 0/4] Add XEN pvSCSI support

[Juergen Gross <jgross@xxxxxxxx>]

On 07/25/2014 07:38 PM, Konrad Rzeszutek Wilk wrote:
> On Fri, Jul 25, 2014 at 01:37:29PM +0200, jgross@xxxxxxxx wrote:
> > This series adds XEN pvSCSI support. With pvSCSI it is possible to use physical
> > SCSI devices from a XEN domain.
> >
> > The support consists of a backend in the privileged Domain-0 doing the real
> > I/O and a frontend in the unprivileged domU passing I/O-requests to the backend.
> About the question that Christopher Hellwig asked - was that ever answered?
Sure. That's the first item under "Changes in V2".

> > The code is taken (and adapted) from the original pvSCSI implementation done
> > for Linux 2.6 in 2008 by Fujitsu.
> >
> > [PATCH V2 1/4] Add XEN pvSCSI protocol description
> > [PATCH V2 2/4] Introduce xen-scsifront module
> > [PATCH V2 3/4] Introduce XEN scsiback module
> > [PATCH V2 4/4] add xen pvscsi maintainer
> >
> > Changes in V2:
> > - use core target infrastructure by backend instead of pure SCSI passthrough
> > - add support for larger SG lists by putting them in grant page(s)
> > - add command abort capability

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