[Xen-devel] [Intel-gfx] [Announcement] Updates to XenGT - a Mediated Graphics Passthrough Solution from Intel

[Jike Song <jike.song@xxxxxxxxx>]

Hi all,

We're pleased to announce an update to Intel Graphics Virtualization Technology 
(Intel GVT-g, formerly known as XenGT). Intel GVT-g is a complete vGPU solution 
with mediated pass-through, supported today on 4th generation Intel Core(TM) 
processors with Intel Graphics processors. A virtual GPU instance is maintained 
for each VM, with part of performance critical resources directly assigned. The 
capability of running native graphics driver inside a VM, without hypervisor 
intervention in performance critical paths, achieves a good balance among 
performance, feature, and sharing capability. Though we only support Xen on 
Intel Processor Graphics so far, the core logic can be easily ported to other 
hypervisors.

The news of this update:

        - Project code name is "XenGT", now official name is Intel Graphics 
Virtualization Technology (Intel GVT-g)
        - Currently Intel GVT-g supports Intel Processor Graphics built into 
4th generation Intel Core processors - Haswell platform
        - Moving forward, XenGT will change to quarterly release cadence. Next 
update will be around early October, 2014.

This update consists of:

        - Stability fixes, e.g. stable DP support
        - Display enhancements, e.g. virtual monitor support. Users can define 
a virtual monitor type with customized EDID for virtual machines, not 
necessarily the same as physical monitors.
        - Improved support for GPU recovery
        - Experimental Windows HVM support. To download the experimental 
version, see setup guide for details
        - Experimental Hardware Media Acceleration for decoding.


Please refer to the new setup guide, which provides step-to-step details about 
building/configuring/running Intel GVT-g:

        
https://github.com/01org/XenGT-Preview-kernel/blob/master/XenGT_Setup_Guide.pdf


The new source codes are available at the updated github repos:

        Linux: https://github.com/01org/XenGT-Preview-kernel.git
        Xen: https://github.com/01org/XenGT-Preview-xen.git
        Qemu: https://github.com/01org/XenGT-Preview-qemu.git


More information about Intel GVT-g background, architecture, etc can be found 
at:

        
https://www.usenix.org/conference/atc14/technical-sessions/presentation/tian
        
http://events.linuxfoundation.org/sites/events/files/slides/XenGT-Xen%20Summit-v7_0.pdf
        https://01.org/xen/blogs/srclarkx/2013/graphics-virtualization-xengt

The previous update can be found here:

        http://lists.xen.org/archives/html/xen-devel/2014-02/msg01848.html

Appreciate your comments!




--
Thanks,
Jike

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