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Date: Sat, 03 Jul 2004 12:22:28 -0600
From: Scott Long <scottl@samsco.org>
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Subject: Re: cvs commit: src/sys/i386/i386 busdma_machdep.c
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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