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SubjectRe: multi-domain PCI and sysfs
On Wed, 8 Sep 2004 11:32:28 -0700
Jesse Barnes <jbarnes@engr.sgi.com> wrote:

> On Wednesday, September 8, 2004 11:20 am, David S. Miller wrote:
> > On Wed, 8 Sep 2004 09:02:14 -0700
> >
> > Jesse Barnes <jbarnes@engr.sgi.com> wrote:
> > > > Where is the PCI segment base address stored in the PCI driver
> > > > structures? I'm still having trouble with the fact that the PCI driver
> > > > does not have a clear structure representing a PCI segment. Shouldn't
> > > > there be a structure corresponding to a segment?
> > >
> > > That would be nice, maybe an extra resource or something? I haven't
> > > looked at the sparc code, but it probably deals with this (sn2 has
> > > platform specific functions to get the base address for a bus).
> >
> > We store them directly in pci_resource_*(pdev,BAR_NUM) as physical
> > addresses.
>
> Oh, right, you have them stored in each bridge, right? I should do the same
> thing for sn2...

Oh you mean the base of the entire I/O space? We store that in the
pdev arch level private area.

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