Re: [Qemu-devel] [patch 2/2] qemu: switch pci device init functions to accept devfn

[Marcelo Tosatti]

On Mon, Apr 13, 2009 at 11:34:46AM -0300, Marcelo Tosatti wrote:
> On Mon, Apr 13, 2009 at 09:47:39AM -0400, Brian Wheeler wrote:
> > Does this mean that there would be a mechanism for a platform to map the
> > pci memory address to a platform specific linear address?  Alpha uses 
> > 
> > 0x8000000000 + (0x20000000 * bus) + address
> > 
> > to determine where the pci memory is mapped in the cpu address space...
> 
> I think so yes. 

Actually, no.

> The use case in mind for us is interrupt mapping from
> (device address + PCI interrupt specifier) -> platform interrupt
> specifier.

Note: the discussion here is about _pci device address_:
bus,device,function.