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SubjectRe: pci error recovery procedure
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On Tue, 2006-09-05 at 13:50 -0500, Linas Vepstas wrote:
> On Mon, Sep 04, 2006 at 07:03:12PM +1000, Benjamin Herrenschmidt wrote:
> >
> > > As you know, all functions of a device share the same bus number and 5 bit dev number.
> > > They just have different 3 bit function number. We could deduce if functions are in the same
> > > device (slot).
> >
> > Until you have a P2P bridge ...
>
> And this is not theoretical: for example, the matrox graphics cards:
>
> 0000:c8:01.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge (non-transparent mode) (rev 13)
> 0000:c9:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 85)

It's also very common with multiple ports network cards

Ben.


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