[SeaBIOS] Proper support for PCI-based option rom loading (was Re: [Qemu-devel] Re: qdev property bug?)

Gleb Natapov gleb at redhat.com
Wed Dec 16 15:50:53 CET 2009


On Wed, Dec 16, 2009 at 04:41:33PM +0200, Michael S. Tsirkin wrote:
> On Wed, Dec 16, 2009 at 03:41:22PM +0100, Gerd Hoffmann wrote:
> > On 12/15/09 22:41, Anthony Liguori wrote:
> >> BTW, I'm pretty sure this style of option rom loading (from a PCI
> >> device) is going to be required for device passthrough if we want to
> >> support running those roms in the guests.
> >
> > Well, qemu-kvm has quite some code to poke the rom out of /proc/bus/pci  
> > and feed it into the rom loader.  All this can simply be dropped then.
> >
> > cheers
> >   Gerd
> 
> It's probably safer not to assume that guest does not run
> the rom directly.
> 
Directly from PCI ROM? Is this even possible?

--
			Gleb.



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