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Date:      Thu, 18 Jun 1998 14:45:23 -0600 (MDT)
From:      "Kenneth D. Merry" <ken@plutotech.com>
To:        ckempf@enigami.com (Cory Kempf)
Cc:        freebsd-scsi@FreeBSD.ORG
Subject:   Re: Rolling CAM in, what is still needed?
Message-ID:  <199806182045.OAA08675@panzer.plutotech.com>
In-Reply-To: <199806181658.MAA17913@singularity.enigami.com> from Cory Kempf at "Jun 18, 98 12:58:48 pm"

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Cory Kempf wrote...
> What is still needed before the CAM stuff can become part of the main
> body of code?  At least w.r.t. -current?

	More hardware support, including:

	- Adaptec 1542 (Brian Beattie is working on this)
	- Adaptec 1742 (Justin said he started on this)
	- Adaptec AIC-6260 and 6360
	- DPT support (Simon is working on this)
	- Better NCR support (810's don't work too well, I think)
	- Ultrastor?  (Warner may be working on this)

	I started work on a WORM driver, but it's temporarily on hold until
we get some answers back from Plextor on why negotiation is broken on the
4/12 Max.  (i.e. that's the drive I got to do the worm driver, but I can't
continue until we get a fix from them.  If someone sends me another worm
drive, the driver will probably get done faster since Plextor hasn't been
too responsive to Justin's problem report.)

	Most of the pieces are there.  The next snapshot will have mode
page editing support, like the old SCSI code (in fact I just ported the
code from the old SCSI layer).  It will also have arbitrary SCSI cdb
execution support, like the old SCSI layer.  There are still a few bugs to
be worked out in that code, and a few features to add, but it's pretty much
all there now.

	So, the bottom line is that things are getting closer, but hardware
drivers are our weak point right now.

	One other area that could use some work/help is userland
application porting.  So far, we have:

	- xmcd (ported by me)
	- cdrecord (Mike Smith)
	- tosha (Russell Cattelan, patch is in my inbox)

	We don't yet have:
	- SANE
	- cdd 

	There may be other applications that send SCSI commands directly
to drives, I can't think of any off the top of my head.  If there are any
more, someone let me know.  If anyone wants to do SANE or cdd or some other
application, I'm more than willing to help out.  (although I don't have a
scanner)

Ken
-- 
Kenneth Merry
ken@plutotech.com

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