From: Muran Hrun Subject: Re: DMA support for mv_cesa Date: Tue, 29 Jul 2014 09:11:25 +0200 Message-ID: References: <20140728163849.44ac7ec5@free-electrons.com> <20140728141757.GR23220@titan.lakedaemon.net> <20140728210556.GB28452@orbit.nwl.cc> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 To: linux-crypto@vger.kernel.org, Muran Hrun , Jason Cooper , Thomas Petazzoni , Gregory CLEMENT , Ezequiel Garcia , Andrew Lunn , Sebastian Hesselbarth , Tawfik Bayouk , Lior Amsalem Return-path: Received: from mail-ig0-f193.google.com ([209.85.213.193]:34021 "EHLO mail-ig0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751223AbaG2HL0 (ORCPT ); Tue, 29 Jul 2014 03:11:26 -0400 Received: by mail-ig0-f193.google.com with SMTP id h18so133065igc.0 for ; Tue, 29 Jul 2014 00:11:25 -0700 (PDT) In-Reply-To: <20140728210556.GB28452@orbit.nwl.cc> Sender: linux-crypto-owner@vger.kernel.org List-ID: Ah, thanks for the answer. I can assist with hw (DNS-320 and possibly other) to test on when time comes. The goal would be to have a low cost encrypted NAS as fast as possible. M 2014-07-28 23:05 GMT+02:00 Phil Sutter : > On Mon, Jul 28, 2014 at 03:24:43PM +0200, Muran Hrun wrote: >> Hi, >> >> What is the status of DMA support for mv_cesa? I tried applying the patches at >> git://nwl.cc/~n0-1/linux.git (cesa-dma branch) >> on kernel 3.15.6 but the kernel just crashed on my DNS-320, when >> accessing an encrypted volume. (Kernel 3.5rc2 in the respository did >> not boot at all) > > Yes, this is pretty old, work in progress and almost certainly broken. > >> Is DMA support for mv_cesa still developed? > > I still have that in mind, but am buried in work. > > On the technical side, the interesting thing is providing for the > various DMA engines Marvell has and probably will continue to bestow > upon us. > > Cheers, Phil