>
> On 20 August 2012 16:14, Pasi Kärkkäinen <[1]
pasik@xxxxxx> wrote:
>
> On Mon, Aug 20, 2012 at 05:46:59PM +0100, George Dunlap wrote:
> >
> > Features and improvements not on this list are of course welcome at
> > any time before the feature freeze.
> >
> > Any questions and feedback are welcome!
> >
> > Your 4.3 release coordinator,
> > George Dunlap
> >
>
> <snip>
> >
> > * xl USB pass-through for PV guests
> > owner: ?
> > Port the xend PV pass-through functionality to xl.
> >
>
> xm/xend PVUSB works for both PV and HVM guests, so xl should support
> PVUSB for both PV and HVM guests aswell.
> James Harper's GPLPV drivers actually do have PVUSB frontend driver for
> Windows.
>
> Also Suse's xenlinux forward-ported patches have PVUSB support in
> unmodified_drivers for HVM guests.
>
> Another USB item:
>
> * xl support for USB device passthru using QEMU emulated USB for HVM
> guests (no need for PVUSB drivers in the HVM guest).
> This works today in xm/xend with qemu-traditional, but is limited to
> USB 1.1, probably because
> the old version of Qemu-dm-traditional which lacks USB 2.0/3.0.
> So xl support for emulated USB device passthru for both qemu-upstream
> and qemu-traditional.
>
> More wishlist items:
>
> * Nested hardware virtualization. Important for easier testing and
> development of Xen (Xen-on-Xen),
> and for running other hypervisors in Xen VMs. Interesting for labs,
> POCs, etc.
>
> * VGA/GPU passthru support for AMD/NVIDIA; lots of patches on xen-devel
> archives,
> but noone has yet stepped up to clean up and get them merged.
> Currently Intel gfx passthru patches are merged to Xen, but primary
> ATI/NVIDIA require extra patches.
> This is actually something that a LOT of users ask often, it's
> discussed almost every day on ##xen on IRC.
> I wonder if XenClient folks could help here?
>
> * Dom0 Keyboard/mouse sharing to HVM guests; mainly needed by VGA/GPU
> passthru users.
> Fujitsu guys posted some patches for this in 2010, and XenClient guys
> in 2009 (iirc),
> but nothing got further developed and merged to upstream Xen.
>
> * QXL virtual GPU support for SPICE. Someone was already developing
> this,
> and posted patches earlier during 4.2 development cycle to xen-devel.
> Upstream Qemu includes QXL support.
>
> * PVSCSI support in XL. James Harper was (semi) interested in working
> with this,
> because he has a PVSCSI frontend driver in Windows GPLPV drivers, and
> he's using PVSCSI for tape backups himself.
>
> * libvirt libxl driver improvements; support more Xen features.
> Allows better using the Ubuntu/Debian/Fedora/RHEL/CentOS "default"
> virtualization GUI also with Xen.
>
> Hopefully we'll find interested developers for these items :)
>
> -- Pasi
>
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