From owner-freebsd-hardware  Wed Apr 10 12:55:14 2002
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Date: Wed, 10 Apr 2002 21:54:21 +0200 (CEST)
From: Nick Hibma <n_hibma@van-laarhoven.org>
To: Oliver Fromme <oliver.fromme@secnetix.de>
Cc: Terry Lambert <tlambert2@mindspring.com>,
	"Eugene M. Kim" <gene@nttmcl.com>, Oliver Fromme <olli@secnetix.de>,
	FreeBSD Hardware Mailing List <hardware@freebsd.org>,
	FreeBSD Hackers Mailing List <hackers@freebsd.org>
Subject: Re: USB "Memorybird" quirks
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Oh, and RBC of course. Anyway, you get my point I guess.

Nick

>
> The class of devices that does not accept 6 byte commands is well known:
> ATAPI and UFI.
>
> Nick
>
> > It seems to me that umass_scsi_transform() in umass.c is
> > the place intended for this kind of things.  After the
> > first failure (which is detected in umass_bbb_state()),
> > a flag (quirk) should be set in the softc, and afterwards
> > umass_scsi_transform should translate 6-byte commands to
> > 10-byte commands.  Doesn't sound too complicated to me.
> >
> > Or am I totally wrong?
> >
> > Regards
> > Oliver
> >
> >
>
>

-- 
n_hibma@van-laarhoven.org                  http://www.van-laarhoven.org/
n_hibma@FreeBSD.org                        http://www.etla.net/~n_hibma/


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