Re: Going beyond 256 PCI buses

Jonathan Lundell
2001-06-14T15:13:33Z

At 10:14 AM -0400 2001-06-14, Jeff Garzik wrote:
>According to the PCI spec it is -impossible- to have more than 256 buses
>on a single "hose", so you simply have to implement multiple hoses, just
>like Alpha (and Sparc64?) already do. That's how the hardware is forced
>to implement it...

That's right, of course. A small problem is that dev->slot_name
becomes ambiguous, since it doesn't have any hose identification. Nor
does it have any room for the hose id; it's fixed at 8 chars, and
fully used (bb:dd.f\0).
--
/Jonathan Lundell.