Re: [Qemu-devel] [PATCH 0/5] vhost-scsi: Add support for host virtualized target

["Michael S. Tsirkin" <mst@redhat.com>]

On Thu, Jan 17, 2013 at 01:07:21PM -0800, Nicholas A. Bellinger wrote:
> Hi MST & Co,
> 
> On Thu, 2013-01-17 at 18:43 +0200, Michael S. Tsirkin wrote:
> > On Fri, Sep 07, 2012 at 06:48:14AM +0000, Nicholas A. Bellinger wrote:
> > > From: Nicholas Bellinger <nab@linux-iscsi.org>
> > > 
> > > Hello Anthony & Co,
> > > 
> > > This is the fourth installment to add host virtualized target support for
> > > the mainline tcm_vhost fabric driver using Linux v3.6-rc into QEMU 1.3.0-rc.
> > > 
> > > The series is available directly from the following git branch:
> > > 
> > >    git://git.kernel.org/pub/scm/virt/kvm/nab/qemu-kvm.git vhost-scsi-for-1.3
> > > 
> > > Note the code is cut against yesterday's QEMU head, and dispite the name
> > > of the tree is based upon mainline qemu.org git code + has thus far been
> > > running overnight with > 100K IOPs small block 4k workloads using v3.6-rc2+
> > > based target code with RAMDISK_DR backstores.
> > > 
> > > Other than some minor fuzz between jumping from QEMU 1.2.0 -> 1.2.50, this
> > > series is functionally identical to what's been posted for vhost-scsi RFC-v3
> > > to qemu-devel.
> > > 
> > > Please consider applying these patches for an initial vhost-scsi merge into
> > > QEMU 1.3.0-rc code, or let us know what else you'd like to see addressed for
> > > this series to in order to merge.
> > > 
> > > Thank you!
> > > 
> > > --nab
> > 
> > OK what's the status here?
> > We missed 1.3 but let's try not to miss 1.4?
> > 
> 
> Unfortunately, I've not been able to get back to the conversion
> requested by Paolo for a standalone vhost-scsi PCI device.

It doesn't have to be a standalone device. A vhost=on frontend
option is also OK I think. Paolo, any objections?

> At this point my hands are still full with iSER-target for-3.9 kernel
> code over the next weeks.  
> 
> What's the v1.4 feature cut-off looking like at this point..?
> 
> --nab

Not sure but soon.