Subject: Re: PCI and subsystem IDs.
To: None <email@example.com>
From: Chris G. Demetriou <firstname.lastname@example.org>
Date: 10/06/1998 16:39:29
Ignatios Souvatzis <email@example.com> writes:
> > from one another even though the cards may have the same PCI
> > controller on them (and, therefore, the same Vendor ID and
> > Device ID). Implementation of these registers is optional
> > and an all zero value indicates that the device does not
> > support subsystem identification. Subsystem Vendor IDs can be
> can't we use that to make them available/usable?
They're available and usable by drivers, now, via the
As noted in my original mail, i don't think they should be provided in
the standard attach args, though, because:
(1) most devices don't care about them
(2) they're relatively hard to dig out (different places for
different header types), and
(3) not all header types even provide them.
Chris Demetriou - firstname.lastname@example.org - http://www.netbsd.org/People/Pages/cgd.html
Disclaimer: Not speaking for NetBSD, just expressing my own opinion.