Date: Fri, 21 Jul 2006 08:47:28 -0700 From: "Jack Vogel" <jfvogel@gmail.com> To: "Dmitry Pryanishnikov" <dmitry@atlantis.dp.ua> Cc: Mikhail Teterin <mi+mx@aldan.algebra.com>, net@freebsd.org, Julian Elischer <julian@elischer.org>, "David G. Lawrence" <dg@dglawrence.com> Subject: Re: complement to sendfile()? Message-ID: <2a41acea0607210847m15a77af8n5c2cf10007b4609f@mail.gmail.com> In-Reply-To: <20060721111838.M77932@atlantis.atlantis.dp.ua> References: <200607192230.14939.mi%2Bmx@aldan.algebra.com> <20060720025003.GF924@tnn.dglawrence.com> <44BFB667.60106@elischer.org> <2a41acea0607201111x84c4ef8jf8cdb50d3ffa28e0@mail.gmail.com> <20060721111838.M77932@atlantis.atlantis.dp.ua>
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On 7/21/06, Dmitry Pryanishnikov <dmitry@atlantis.dp.ua> wrote: > > Hello! > > On Thu, 20 Jul 2006, Jack Vogel wrote: > > We, myself and Prafulla Deuskar at Intel LAD, have a driver and stack > > changes that support Intel's new I/OAT DMA hardware. This is a > > DMA engine in the chipset. There is potential to use the hardware > > > > We are hoping to get this code into CURRENT soon if there > > is interest. > > Sure there is an interest, spare CPU cycles are never superfluous > in production environment! What hardware (NICs/chipsets) supports this > I/OAT DMA engine? > > Sincerely, Dmitry Its part of the Intel Blackford chipset, so for instance Supermicro has a motherboard and servers with it. I havent looked at what OEMs have systems available now, but I imagine most the big OEMs will have systems with this chipset and Woodcrest CPUs soon. Cheeers, Jack
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