Date: Sat, 04 Oct 2008 20:34:34 +0200 From: Rafal Jaworowski <raj@semihalf.com> To: =?ISO-8859-1?Q?S=F8ren_Schmidt?= <sos@FreeBSD.ORG> Cc: Oleksandr Tymoshenko <gonzo@bluezbox.com>, freebsd-arch@FreeBSD.ORG Subject: Re: Modular ata chipsets data Message-ID: <48E7B73A.2030507@semihalf.com> In-Reply-To: <0D306A28-85B2-413D-8A28-862C3C2CE18E@FreeBSD.ORG> References: <48E6D21E.8040808@bluezbox.com> <0D306A28-85B2-413D-8A28-862C3C2CE18E@FreeBSD.ORG>
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Søren Schmidt wrote: > (Please keep me CC'd as I do not normally read the list) > > Anyhow, what I would like to see is that the chipset support get moved > into kernel modules, preferably auto-loadable when a given vendor is > detected, but for starters that could be left out. This is the way to go > for vendor supplied modules as well. I have a least 2 vendors that are > looking into that way of providing support for new chipsets. For a small > kernel you just load the module(s) you need and voila. > > I have VIP in that direction, but its not finished yet, but spiitting up > things is pretty trivial for the most part, except a few gotchas here > and there that will make at least autoloading a wee bit tricky. > > I guess the tedious part is to get all the code moved around into > seperate files, how the actual compile/link/load should be done is a > minor part that can be added when the seperaion is done. > However, I do have most of that in place in a tree here, so thats more > or less done already, I just need to pull out the right tree here and > that part should be dealt with more or less. Apart from the above, have you got any plans towards refactoring the ATA driver so there is a generic ATA logic layer, clearly separate from controller specific parts and bus attachments like PCI etc.? Such a well structured approach would greatly benefit embedded systems at least, which very often have an ATA/SATA controller hanging directly on some local bus; in environments like this using our current ATA code is difficult as there needs to be some fake PCI glue provided and other hacks. Rafalhome | help
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