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Date:      Tue, 20 Dec 2016 12:50:11 -0800
From:      John Baldwin <jhb@freebsd.org>
To:        Ruslan Bukin <br@freebsd.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r310330 - in head: share/man/man4 sys/conf sys/dev/xdma
Message-ID:  <1904181.V85ZRTRTAB@ralph.baldwin.cx>
In-Reply-To: <201612201802.uBKI27oN091165@repo.freebsd.org>
References:  <201612201802.uBKI27oN091165@repo.freebsd.org>

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On Tuesday, December 20, 2016 06:02:07 PM Ruslan Bukin wrote:
> Author: br
> Date: Tue Dec 20 18:02:07 2016
> New Revision: 310330
> URL: https://svnweb.freebsd.org/changeset/base/310330
> 
> Log:
>   Add xDMA -- the DMA abstraction layer, initial verison.
>   
>   xDMA is a DMA framework designed to abstract the interaction
>   between device drivers and DMA engines.
>   
>   Project wiki: https://wiki.freebsd.org/xdma
>   
>   Sponsored by:	DARPA, AFRL
>   Differential Revision:	https://reviews.freebsd.org/D8807

It probably would have been a good idea to get some design review of this on
arch@ before committing.  In particular, I believe from earlier discussions
that you want to build a general framework that things like ioat(4) can hook
into.  arch@ would give you a broader audience for working out the
abstractions and interfaces.

-- 
John Baldwin



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