Re: [Xen-devel] [iGVT-g] XenGT GPU virtualization

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, Feb 24, 2017 at 02:25:27AM +0000, Wang, Hongbo wrote:
> Intel XenGT has another maillist " igvt-g@xxxxxxxxxxxx" to discuss Intel GPU
> virtualization questions, including XenGT and KVMGT. Feel free to subscribe.
> 
> Right now, we have two version GVT-g, "old architecture" vs "new
> architecture for upstream"
> Old architecture:
>   - The codes are maintained off-tree, support both XenGT and KVMGT.
>   - Our latest code is 2016Q3 version in Oct'16, 2016Q4 version is coming
>    soon due to some open bugs.
>   - 2016Q3 release blog:
>    
> https://01.org/igvt-g/blogs/wangbo85/2016/intel-gvt-g-iso-public-release-q32016
>  
>   - Repo  Kernel: https://github.com/01org/igvtg-kernel 
>          Xen: https://github.com/01org/igvtg-xen 
>          QEMU: https://github.com/01org/igvtg-qemu 
> 
> 
> New architecture for upstream:
>   - KVMGT version with new VFIO interface have been upstreamed into
>    kernel 4.10. You can see the code from kernel 4.10, or from our own 
>    GVT-g repo which hosts latest code and bug fixing.
>   - Repo Kernel:   https://github.com/01org/gvt-linux.git 
>         QEMU:  git://git.qemu.org/qemu.git 
>   - XenGT code upstream is ongoing, not upstreamed. So you can't see
>    those code yet. We already have a workable XenGT version for upstream,
>    may share the code after interface polishing.

Could you expand on that please? I thought the ioreq multiple
servers were the big dependency but it sounds like there is more work?

What is involved here?


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