Bind amdgpu to SR-IOV virtual function

[Alex Deucher]

On Thu, Aug 25, 2016 at 11:00 AM, Dennis Schridde
<dennis.schridde at uni-heidelberg.de> wrote:
> Hello!
>
> I investigating the virtualisation abilities of current AMD FirePro hardware;
> specifically how to securely pass a share of a GPU to one application (a Rkt/
> Docker container). I already read vfio.txt and pci-iov-howto.txt, but they do
> not answer my questions. I was unable to find documentation on the process
> online, either.
>
> 1. How do I create VFs from a AMD FirePro PF? I saw an example using VMWare
> ESXi tools, where it is possible to specify RAM size and time-share, but I
> have not seen how that translates to modifying /sys/bus/pci/..., which is the
> method recommended for SR-IOV devices in pci-iov-howto.txt.
>
> 2. After having created VFs, is it possible to bind these to the host's amdgpu
> driver, so that I get multiple /dev/dri/card* device nodes?
>
> 3. Will passing these /dev/dri/card* device nodes into a Rkt/Docker container
> be enough for the AMD Radeon Pro OpenGL runtime to be able to use that card?

SR-IOV support is not yet upstream for Linux.

Alex


>
> Best regards,
> Dennis Schridde
> --
> Heidelberg University Computing Centre
> Service division: Future IT - Research & Education
>
> Tel. +49 6221 54-4519, Fax +49 6221 54-5581
> dennis.schridde at uni-heidelberg.de
>
> http://www.urz.uni-heidelberg.de/
>
> Ruprecht-Karls-Universität Heidelberg
> Universitätsrechenzentrum
> Im Neuenheimer Feld 293, 69120 Heidelberg, Germany
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