[SeaBIOS] PCI device path?
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" 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
I guess the root bus will have -1 in its parentbus entry. It doesn't
matter what its actual number is.
More information about the SeaBIOS