Date: Tue, 26 Mar 1996 08:41:16 +0100 (MET) From: J Wunsch <j@uriah.heep.sax.de> To: freebsd-scsi@freebsd.org Subject: Re: HP 4020i CD-R wishes Message-ID: <199603260741.IAA13432@uriah.heep.sax.de> In-Reply-To: <199603260050.QAA23710@ref.tfs.com> from "JULIAN Elischer" at Mar 25, 96 04:50:44 pm
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As JULIAN Elischer wrote: > It is becoming clear that we need to be able to 'stack' SCSI drivers. > I have three cases of this now... > > 1/WORM/CDROM > 2/TAPE/CHANGER > and the last.. more amazingly.. > 3/WORM/CDROM/CHANGER > > how can one identify such a situation, and which 'done' routine get's called? I think we need some layering scenario like for ioctl commands on ttys. They are being passed through the general ioctl code first, then to the line discipline, then down to the physical driver. (Something like this -- i didn't code-review it now.) Could one also call this `streams'? :) -- cheers, J"org joerg_wunsch@uriah.heep.sax.de -- http://www.sax.de/~joerg/ -- NIC: JW11-RIPE Never trust an operating system you don't have sources for. ;-)
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