svn commit: r188018 - in head: sys/dev/pci usr.sbin/pciconf

[M. Warner Losh]

In message: <200902021659.54847.jhb at freebsd.org>
            John Baldwin <jhb at freebsd.org> writes:
On Mon, 2009-02-02 at 15:54 -0500, John Baldwin wrote:
jhb> I haven't looked this over thoroughly yet, but will it support BIOS
jhb> mappings as well?  Or should I take a crack at adding that?

On Monday 02 February 2009 4:09:35 pm Robert Noland wrote:

rnoland> It does not handle the BIOS BAR.  If we need to we can either
rnoland> extend this or add a new ioctl for that.  However, if X is
rnoland> just reading the current setting then what it is doing now
rnoland> may be fine.  I will try to look at the current code for that
rnoland> in a bit.

The BIOS BAR is special.  Very special in a number of ways...  Be
careful probing it.  I run into trouble whenever I touch the cardbus
CIS parsing code.

Warner