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Path: euryale.cc.adfa.oz.au!newshost.anu.edu.au!harbinger.cc.monash.edu.au!nntp.coast.net!howland.reston.ans.net!Germany.EU.net!zib-berlin.de!news.tu-chemnitz.de!irz401!uriah.heep!news From: j@uriah.heep.sax.de (J Wunsch) Newsgroups: comp.unix.bsd.freebsd.misc Subject: Re: DPT SCSI Adaptor,possible? Date: 21 Jan 1996 21:43:49 GMT Organization: Private BSD site, Dresden Lines: 29 Message-ID: <4duc2l$shb@uriah.heep.sax.de> References: <4d5712$gfk@netnews.nctu.edu.tw> <30F68DA6.4487EB71@freebsd.org> <4dlrl5$kd9@kfaserv1.kfdata.no> Reply-To: joerg_wunsch@uriah.heep.sax.de (Joerg Wunsch) NNTP-Posting-Host: localhost.heep.sax.de Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Newsreader: knews 0.9.3 hansf@kfaserv1.kfdata.no (Hans Petter Fasteng) writes: [Writing a device driver for DPT controllers] > Where wold you find (if any) documentation for doing sutch work on > FreeBSD? Well, the manual section 9 (kernel manual) is still under construction. :-) Normally, you need three things: study existing drivers with similar functionality. In this case, other SCSI adaptor drivers, like that for the AHA1540 series (one of the first SCSI adaptor driver at all). Second, the necessary information from the vendor. This might turn into a problem for the DPT series, since getting this information is said to require signing an NDA. However, somebody in the mailing lists claimed that the resulting driver must not necessarily fall under this NDA, and this is point #3: you need to subscribe to the appropriate mailing lists, in order to meet other people developing the system. In your case, freebsd-scsi@freebsd.org and most likely freebsd-current@freebsd.org are of value. Perhaps even freebsd-hackers@freebsd.org, though it's rather high volume. -- 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. ;-)