From owner-freebsd-hardware  Sat Apr  6 11:25:35 1996
Return-Path: owner-hardware
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.3/8.7.3) id LAA11662
          for hardware-outgoing; Sat, 6 Apr 1996 11:25:35 -0800 (PST)
Received: from lserver.infoworld.com (lserver.infoworld.com [192.216.48.4])
          by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id LAA11651
          for <hardware@FreeBSD.org>; Sat, 6 Apr 1996 11:25:33 -0800 (PST)
Received: from ccgate.infoworld.com by lserver.infoworld.com with smtp
	(Smail3.1.29.1 #12) id m0u5deK-000wuuC; Sat, 6 Apr 96 11:27 PST
Received: from cc:Mail by ccgate.infoworld.com
	id AA828818652; Sat, 06 Apr 96 09:50:04 PST
Date: Sat, 06 Apr 96 09:50:04 PST
From: "Brett Glass" <Brett_Glass@ccgate.infoworld.com>
Message-Id: <9603068288.AA828818652@ccgate.infoworld.com>
To: Michael Smith <msmith@atrad.adelaide.edu.au>
Cc: bde@zeta.org.au, msmith@atrad.adelaide.edu.au, hardware@FreeBSD.org,
        jkh@time.cdrom.com
Subject: Re: Some solutions to disk problems.... I think.
Sender: owner-hardware@FreeBSD.org
X-Loop: FreeBSD.org
Precedence: bulk

> The low and high words of the 'wdc' flags are implicitly exposed
> per-drive 'wd' flags.

I don't think so. It appears that there are 16 bits per controller
(exposed) and then 8 bits per drive (stored in a different struct and
unexposed). They're shifted and OR'ed together within the driver, but they
seem to go into a local variable that's not preserved.

--Brett