[PATCH v2 07/27] PCI: Add software-emulated host bridge

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Tue Jan 29 12:43:20 EST 2013


Dear Jason Gunthorpe,

On Tue, 29 Jan 2013 10:42:05 -0700, Jason Gunthorpe wrote:

> So if this is what you have now...
> 
> -[0000:00]-+-00.0 <- Host bridge
>            +-10.0 <- Bridge
>            +-11.0 <- Bridge
>            +-12.0 <- Bridge
> 
> Then removing the config space at 00.0 (ie the host bridge) will give
> you:
> 
> -[0000:00]-+-10.0 <- Bridge
>            +-11.0 <- Bridge
>            +-12.0 <- Bridge
> 
> The 'host bridge' isn't a bridge in the PCI-PCI sense, it is just a
> normal device at bus 0, device 0, function 0.

Ok, thanks I'll try this!

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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