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Re: 16-byte commands.

daemon@ATHENA.MIT.EDU (Kurt Garloff)
Fri Jan 28 10:39:00 2000

Date:   Fri, 28 Jan 2000 13:50:48 +0100
From: Kurt Garloff <garloff@suse.de>
To: "Eric Youngdale" <eric@andante.org>
Cc: "Douglas Gilbert" <dgilbert@interlog.com>,
	<linux-scsi@vger.rutgers.edu>
Message-ID: <20000128135048.C13452@mobil.tue.nl>
Mail-Followup-To: "Eric Youngdale" <eric@andante.org>,
	"Douglas Gilbert" <dgilbert@interlog.com>,
	<linux-scsi@vger.rutgers.edu>
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On Sat, Jan 22, 2000 at 02:01:00PM -0500, Eric Youngdale wrote:
> effectively limits you to 12 byte commands, and the mailbox structure
> definition fixed in hardware.  At this point I have no idea which of the
> other drivers are ready to accept longer commands and which would not.  A
> simple grep of all of our low-level drivers show *potential* problems with
> 22 of the low-level drivers.
> 
>     53c7,8xx 53c7xx FlashPoint advansys eata eata_dma_proc eata_generic
>     gdth i91uscsi ibmmca ide-scsi ini9100u ips pluto psi240i qlogicisp qlogicpti
>     sym53c8xx tmscsim u14-34f ultrastor wd7000
                ^^^^^^^
tmscsim-2.0d25 has a commented out [12] somewhere. It does support 16byte
cmnds. This is not true for 2.0d (which is currently included in the
mainstream kernel). Time to release 2.0e ...

-- 
Kurt Garloff  <garloff@suse.de>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE GmbH, Nuernberg, FRG                               SCSI, Security

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