Date: Mon, 3 Dec 2001 21:33:01 +0100 From: Bernd Walter <ticso@cicely8.cicely.de> To: Lars Eggert <larse@ISI.EDU> Cc: n_hibma@FreeBSD.ORG, hackers@FreeBSD.ORG Subject: Re: umass & ATAPI Message-ID: <20011203213300.H63943@cicely8.cicely.de> In-Reply-To: <3C0BC364.9080904@isi.edu> References: <3C0BC364.9080904@isi.edu>
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On Mon, Dec 03, 2001 at 10:24:36AM -0800, Lars Eggert wrote: > Hi, > > is anyone working on extending umass.c for ATAPI devices? > > My new digital camera identifies itself as an ATAPI device, but the > corresponding code is commented out in umass.c, because it isn't > complete and/or tested. (I'm running 4.4-RELEASE, but it doesn't look > like -current is any different.) > > I've enabled the disabled code, and the camera probes and attaches > correctly as da0. However, mounting it fails, because the ATAPI code in > umass.c does not translate some commands that the mount tries to execute > (cache sync, and some read_6 command - from memory, may be wrong). > > I'm kinda at loss on how to add the missing command translations (I poke > around in the network stack normally), but I'd give it a shot if I had a > little more background info on how to translate from ATAPI to SCSI. Any > pointers? src/sys/cam/scsi/scsi_da.c has the quirk table for such things. There are also some cameras in there. A bunch of entries have been MFS'ed shortly so if you had named your device we would know better if it's already special handled. -- B.Walter COSMO-Project http://www.cosmo-project.de ticso@cicely.de Usergroup info@cosmo-project.de To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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