Date: Wed, 31 Oct 2001 19:53:36 +0100 From: Wilko Bulte <wkb@freebie.xs4all.nl> To: Matthew Jacob <mjacob@feral.com> Cc: Nick Rogness <nick@rogness.net>, freebsd-hackers@FreeBSD.ORG Subject: Re: Driver help Message-ID: <20011031195336.F8065@freebie.xs4all.nl> In-Reply-To: <Pine.BSF.4.21.0110311034370.26072-100000@beppo>; from mjacob@feral.com on Wed, Oct 31, 2001 at 10:37:47AM -0800 References: <20011031193137.C8065@freebie.xs4all.nl> <Pine.BSF.4.21.0110311034370.26072-100000@beppo>
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On Wed, Oct 31, 2001 at 10:37:47AM -0800, Matthew Jacob wrote: > "dumb" is relative and fungible. Sure.. > It's a tradeoff between doing the connection management in firmware (as with > the QLogic) or in the Kernel (as with Tachyon products mostly). It depends on > whom you believe ultimately does a better job. Well, I generally would like to put my money on the firmware. This assumes (as always..) good firmware. > Doing it in firmware allows the driver writer to manage the ULP stuff a lot > better because you're not so distracted by the low level ruckus. <nod> > Doing it in the kernel allows you to avoid all those nagging and persistent > questions of "why the hell did the f/w do/say/barf&&turn-left-against-a-red > *that*?" But it tends to produce horrible drivers if you are not very careful. I remember a WD33C93 driver here.. <shiver> > On Wed, 31 Oct 2001, Wilko Bulte wrote: > > > On Wed, Oct 31, 2001 at 09:49:19AM -0800, Matthew Jacob wrote: > > > > That is probably what we call the Jaguar in-house. It is (IIRC) a > > dumb adapter, there is a Tachyon on it for sure. > > > > Wilko ---end of quoted text--- -- | / o / /_ _ email: wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, The Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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