Date: Sat, 03 Jul 2004 12:22:28 -0600 From: Scott Long <scottl@samsco.org> To: Scott Long <scottl@FreeBSD.org> Cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/i386/i386 busdma_machdep.c Message-ID: <40E6F964.7060301@samsco.org> In-Reply-To: <200407031818.i63IIanX092599@repoman.freebsd.org> References: <200407031818.i63IIanX092599@repoman.freebsd.org>
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Scott Long wrote: > scottl 2004-07-03 18:18:36 UTC > > FreeBSD src repository > > Modified files: > sys/i386/i386 busdma_machdep.c > Log: > Commit the first of half of changes that allow busdma to transparently > honor the alignment and boundary constraints in the dma tag when loading > buffers. Once this is done on all platforms, drivers like twe(4) will no longer need to manually check and correct alignment. This might involve a small API change to busdma, however. I'm thinking about adding a segment_length argument to the filter callback to give drivers more flexibility. Scott
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