> Date: Thu, 11 Jan 1996 08:53:49 -0800
> From: "Jason R. Thorpe" <thorpej@SJ.Xenotropic.COM>

> >Number:         1929
> >Category:       port-sun3
> >Synopsis:       it's not easy to change si_coptions per kernel
> >Confidential:   no
> >Severity:       non-critical
> >Priority:       medium
> >Responsible:    gnats-admin (GNATS administrator)
> >State:          open
> >Class:          change-request
> >Submitter-Id:   net
> >Arrival-Date:   Thu Jan 11 12:05:00 1996
> >Last-Modified:
> >Originator:     
> >Organization:
> Just me and my collection of obsolete computer gear(s).
> >Release:        NetBSD 1.1A, Jan 10, 1996
> >Environment:
> 	
> System: NetBSD ovation 1.1 NetBSD 1.1 (OVATION) #44: Sun Dec 10 17:55:35 PST 1995 thorpej@ovation:/tmp_mnt/basalt/work/netbsd/src/sys/arch/sun3/compile/OVATION sun3
> 
> 
> >Description:
> 	The "si_options" flags are hard-coded in the driver.  This makes
> 	it difficult to change the settings from machine to machine.
> >How-To-Repeat:
> 	Own 2 sun3s.  Try to enable reselects in the driver on one and
> 	not on the other.  You have to edit code.

Actually, you do not have to edit any code, of course.
The reason it is a global variable is so you can use gdb:
	% gdb -k --write /netbsd
	(kgdb) set si_options = 3
	(kgdb) quit

None the less, allowing si_options to be set from the config flags
is a nice idea.

> >Fix:
> 	Here's a patch that pulls in the "si_options" handling code
> 	that I added when I ported the ncr_si driver to NetBSD/sparc.
> 	You can change the options using the `flags' directive in your
> 	kernel configuration file.  It also prints which options
> 	are enabled at attach time.