Date: Thu, 2 Oct 2008 01:33:41 -0700 From: "Kip Macy" <kmacy@freebsd.org> To: "Eygene Ryabinkin" <rea-fbsd@codelabs.ru> Cc: Maho NAKATA <chat95@mac.com>, freebsd-current@freebsd.org, brooks@freebsd.org, shigeta@sci.u-hyogo.ac.jp Subject: Re: Infiniband status? Message-ID: <3c1674c90810020133n1e852cd1nc859b4bb92c0cf08@mail.gmail.com> In-Reply-To: <EG60mDwtlWEA/oGV%2Bvwqjf3Pg5k@akDh1N1N1j/DDoCfUrQxxFkIGCg> References: <20081002.150319.02288267.chat95@mac.com> <3c1674c90810012333j5010df12uec5cc6e99e33adf6@mail.gmail.com> <EG60mDwtlWEA/oGV%2Bvwqjf3Pg5k@akDh1N1N1j/DDoCfUrQxxFkIGCg>
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On Thu, Oct 2, 2008 at 1:18 AM, Eygene Ryabinkin <rea-fbsd@codelabs.ru> wrote: > Kip, good day. > > Was just passing by, but found an interesting point? > > Thu, Oct 02, 2008 at 06:33:52AM +0000, Kip Macy wrote: >> To support IB you would need to implement the IB side >> of the OFA stack, finish user level RDMA support, and talk one of the >> users of IB on FreeBSD (NetApp & Isilon) in to opening up the Mellanox >> driver for a recent card. > > I was under impression that OFED provides drivers for Mellanox. At > least I am using OFED 1.2 for Mellanox Arbel InfiniHost III, and I was > under impression that even ConnectX cards are supported by the 1.3.x as > well. Particularily, the ofa_kernel component of OFED build provides > core, HW and ULPs kernel modules. > > I think that OFED sources can be taken and ported (at least partially, > for example, the driver parts) to provide kernel drivers for the cards. > Am I missing something? No, but porting a driver from a much older OFA (as used by Isilon and NetApp) to the most recent OFA as used by FreeBSD is almost guaranteed to be much faster than porting from Linux. Cheers, Kip
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