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[Xen-devel] swap dom0 and domU Gfx's

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx
  • From: "Seth Shelnutt" <shelnutt2@xxxxxxx>
  • Date: Mon, 05 Feb 2007 22:01:33 -0500
  • Bcc:
  • Delivery-date: Mon, 05 Feb 2007 19:01:19 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

I am really interested in the possibility of having domU take direct control of the graphic card and leave dom0 with the virtual GFx. I'm sure some of you know about Folding at Home (FAH). Its a DC project run by Stanford University, to simulate protein folding. More info can be found at http://folding.stanford.edu . They have a GPU client that runs on ATI based GFx under windows only. I am interested in getting the client working in windows via xen.

In order for this, windows needs to see and access the Gfx itself. I posted on the folding forums and it was stated that the GPU client need to use the ATI drivers which in turn need to be able to see and access the physical GFx.

I'm just learning xen but I understand the basics. It seems like a near impossible task but to me it seem that we should be able to alter the xen kernel to always give your host OS the virtual GFx while saving the GFx for the to be guest operating system.

I'm just wondering if anyone has thought of this before or attempted it? I'm not 100% sure where I need to start, except probably learn some c/c++? ;). I was dumb and though Java was a good language to learn.


Seth Shelnutt

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