Re: [Xen-devel] Xen 4.3 release planning proposal

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 18.12.12 at 14:37, Martinx - ããããã<thiagocmartinsc@xxxxxxxxx> wrote:
>  How can I take full advantage of a remote HVM DomU with a Radeon within
> it, without SPICE?
> 
>  VNC is enough? Or there is something else better that I don't know?

Please stop hijacking an unrelated thread.

Thanks, Jan

> On 18 December 2012 05:03, Pasi KÃrkkÃinen <pasik@xxxxxx> wrote:
> 
>> On Mon, Dec 17, 2012 at 09:57:59PM -0200, Martinx - ?$B%8%'!<%`%: wrote:
>> >    Hi Pasi!
>> >     Can you tell me if it will be possible to use Xen like this:
>> >     dom0 -> ATI GPU Passthrough as primary -> HVM domU with Catalyst ->
>> Spice
>> >    -> Spice-Client ?
>> >     I do not want to use Spice "alone" and, I do not want to use my domU
>> with
>> >    my ATI without SPICE...  That makes sense?
>> >    Thanks!
>>
>> Afaik SPICE uses and requires the virtual QXL GPU for efficient operation,
>> so it doesn't work with physical GPUs.
>>
>> -- Pasi
>>
>> >    Thiago
>> >
>> >    On 20 August 2012 16:14, Pasi KÃrkkÃinen <[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
>> >
>> >      _______________________________________________
>> >      Xen-devel mailing list
>> >      [2]Xen-devel@xxxxxxxxxxxxx 
>> >      [3]http://lists.xen.org/xen-devel 
>> >
>> > References
>> >
>> >    Visible links
>> >    1. mailto:pasik@xxxxxx 
>> >    2. mailto:Xen-devel@xxxxxxxxxxxxx 
>> >    3. http://lists.xen.org/xen-devel 
>>



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