Date: Fri, 09 Jun 2006 16:24:11 -0600 From: Scott Long <scottl@samsco.org> To: Andy Dills <andy@xecu.net> Cc: freebsd-stable@freebsd.org Subject: Re: Suggestions for Adaptec SAS AIC9410 Message-ID: <4489F50B.4060908@samsco.org> In-Reply-To: <20060609181706.J43888@thunder.xecu.net> References: <20060605212952.T96853@thunder.xecu.net> <20060609145451.F60598@carver.gumbysoft.com> <4489F129.1050304@samsco.org> <20060609181706.J43888@thunder.xecu.net>
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Andy Dills wrote: > On Fri, 9 Jun 2006, Scott Long wrote: > > >>Doug White wrote: >> >>>On Mon, 5 Jun 2006, Andy Dills wrote: >>> >>> >>>>I'm trying to get a Supermicro 6024H-32R setup with 6.1, but I'm >>>>discovering that the Adaptec SAS AIC9410 controller isn't yet supported. >>>> >>>>I see one brief thread about it on this mailing list back in March, but no >>>>further mention or conclusive details. There was talk of MFCing the mpt >>>>driver...is anybody using this in production? >>> >>> >>>Can you get a pciconf -lv off this system? It might just be a case of >>>needing to add an ID to an existing driver (aac?). >>> >> >>No, the 9410 is a SAS HBA chip. It's actually meant to be used just in >>Adaptec HostRAID (software RAID) mode, but writing a standalone driver >>is possible, albeit fairly difficult and time consuming. > > > Being completely ignorant of the deep internals of the FreeBSD kernel, the > GEOM layer, etc., how difficult is it to take the existing linux drivers > that Adaptec distributes and port them to FreeeBSD? > > I ask out of curiousity, not implying that it isn't difficult and time > consuming. > "porting" is not the right word. "Using it as a reference to write a new driver" is much more appropriate. I have one of these cards, and I have a reference linux driver, but it would be at least 6 months of full time work to port it, test it, and debug it. Scott
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