From owner-freebsd-alpha  Mon Jun 24 13:28:33 2002
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From: Doug Rabson <dfr@nlsystems.com>
To: "M. Warner Losh" <imp@village.org>
Subject: Re: Wither the nexus driver?
Date: Mon, 24 Jun 2002 21:28:18 +0100
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References: <20020623233355.GE53233@cicely5.cicely.de> <200206242013.51504.dfr@nlsystems.com> <20020624.133647.130619727.imp@village.org>
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On Monday 24 June 2002 8:36 pm, M. Warner Losh wrote:
> In message: <200206242013.51504.dfr@nlsystems.com>
>
>             Doug Rabson <dfr@nlsystems.com> writes:
> : On Monday 24 June 2002 4:56 am, M. Warner Losh wrote:
> : > In message: <20020623233355.GE53233@cicely5.cicely.de>
> : >
> : >             Bernd Walter <ticso@cicely5.cicely.de> writes:
> : > : root node is the chipset:
> : > : [67]cicely9# devinfo
> : > : cia0
> : >
> : > OK.  Is cia the only chipset, or are there others?
> :
> : I guess you are asking this question to decide where to put the
> : implementation of child_present? Why not put it in root0? That way yo=
u
> : don't have to touch all the MD drivers at all.
>
> Yes.  That's right.  I didn't do that because it didn't occur to me to
> do that.  Since I didn't see root0 in the devinfo list on my box, I
> didn't think that would work.  Will it?

I don't see why it shouldn't work. The root device is artificially hidden=
 but=20
it still exists - check out the root_driver in subr_bus.c.

--=20
Doug Rabson=09=09=09=09Mail:  dfr@nlsystems.com
=09=09=09=09=09Phone: +44 20 8348 6160


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