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

["Seth Shelnutt" <shelnutt2@xxxxxxx>]

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.
Thanks,

Seth Shelnutt



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