Re: [Qemu-devel] device assignment for embedded Power

[Scott Wood]

On Fri, 1 Jul 2011 18:03:01 +0100
Paul Brook <address@hidden> wrote:

> Basically you should start by implementing full emulation of a device with 
> similar characteristics to the one you want to passthrough.

That's not going to happen.

> Once you've done all the above, host device passthrough should be relatively 
> straightforward.  Just replace the emulation bits in the above device with 
> code that pokes at a real device via the relevant kernel API.

That's not what we mean by direct device assignment.

We're talking about directly mapping the registers into the guest.  The
whole point is performance.

-Scott