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Date:      19 Mar 2001 10:47:25 -0500
From:      Nat Lanza <magus@cs.cmu.edu>
To:        thomas@cuivre.fr.eu.org
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: SCSI-over-* hacks
Message-ID:  <uocvgp5squq.fsf@tintagel.pdl.cs.cmu.edu>
In-Reply-To: <20010319151134.A89803@melusine.cuivre.fr.eu.org>
References:  <20010319151134.A89803@melusine.cuivre.fr.eu.org>

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Thomas Quinot <thomas@cuivre.fr.eu.org> writes:

> Has anyone implemented/thought of implementing:
>   - a CAM transport for ATAPI devices;
>   - a CAM transport for USB scanners;
>   - the Linux SCSI generic device (/dev/sg*)?

FreeBSD already has an equivalent to the SCSI generic device -- take a
look at pass(4). The only major feature of sg that's currently missing
in pass is asynchronous commands. I have a set of patches that adds
that support in, but I've been too busy recently with changing jobs to
clean them up and submit them.

As far as ATAPI-over-CAM, there's been some discussion of having ATA
become part of CAM, but I don't remember what the result of it
was. You might want to check the list archives.


--nat

-- 
nat lanza -------------------------------------- there are no whole truths;
magus@cs.cmu.edu ------------------------------- all truths are half-truths
http://www.cs.cmu.edu/~magus/ ------------------  -- alfred north whitehead

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