[SeaBIOS] PCI device path?

Gleb Natapov gleb at redhat.com
Thu Jan 6 14:53:19 CET 2011

On Wed, Jan 05, 2011 at 09:41:53PM -0500, Kevin O'Connor wrote:
> Hi Gleb,
> Did you have any thoughts on how to build the PCI device path for the
> bootprio_find_X functions?
> I suppose we could keep an "int parentbus[256]" and fill it with info
> on the parent info of every PCI bus.  Then the build_pci_path()
> function could reconstruct the path of buses back to the root.
Sounds like good and simple solution.

> As I understand it there could be three types of PCI buses we could
> run into - the root bus 0, a pci-to-pci bridge, or a non bus 0 root
> bus.
I guess the root bus will have -1 in its parentbus entry. It doesn't
matter what its actual number is.


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