From owner-freebsd-arch@FreeBSD.ORG Wed Dec 19 07:24:41 2007 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D5A1716A41B for ; Wed, 19 Dec 2007 07:24:41 +0000 (UTC) (envelope-from freebsd@gm.nunu.org) Received: from py-out-1112.google.com (py-out-1112.google.com [64.233.166.181]) by mx1.freebsd.org (Postfix) with ESMTP id F31BC13C46B for ; Wed, 19 Dec 2007 07:24:40 +0000 (UTC) (envelope-from freebsd@gm.nunu.org) Received: by py-out-1112.google.com with SMTP id u77so5007470pyb.3 for ; Tue, 18 Dec 2007 23:24:40 -0800 (PST) Received: by 10.142.187.2 with SMTP id k2mr481993wff.51.1198049076710; Tue, 18 Dec 2007 23:24:36 -0800 (PST) Received: by 10.142.224.12 with HTTP; Tue, 18 Dec 2007 23:24:36 -0800 (PST) Message-ID: <626eb4530712182324j6137abb1l9d705fe43bd90e29@mail.gmail.com> Date: Wed, 19 Dec 2007 16:24:36 +0900 From: "Hidetoshi Shimokawa" Sender: freebsd@gm.nunu.org To: "Kip Macy" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071217193804.GA17357@lor.one-eyed-alien.net> <626eb4530712182307o63ed8d0cjc985f4404e143c1b@mail.gmail.com> X-Google-Sender-Auth: f1bcf7a795d833e8 Cc: "gnn@freebsd.org" , Brooks Davis , freebsd-arch@freebsd.org Subject: Re: RDMA support on FreeBSD X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Dec 2007 07:24:41 -0000 I don't think IEEE1394 has enough privilege checks. Anyway, thanks for a pointer of docs. I'll check it later. On 12/19/07, Kip Macy wrote: > Could you take a look at the openfabric docs and see how well that > meshes with IEEE1394? > > I think the lack of privilege checks might make it a bad fit. However, > it *might* work for users who don't care about security. > > -Kip > > > On 12/18/07, Hidetoshi Shimokawa wrote: > > I'm also interested in RDMA support. > > IEEE1394 OHCI has a RDMA-like feature. > > > > On 12/19/07, gnn@freebsd.org wrote: > > > At Mon, 17 Dec 2007 13:38:04 -0600, > > > Brooks Davis wrote: > > > > > > > > [1 ] > > > > On Mon, Dec 17, 2007 at 11:22:09AM -0800, Kip Macy wrote: > > > > > Chelsio's T3 card supports iWARP (RDMA over TCP). I've ported > > > > > OpenFabric's kernel infrastructure for supporting RDMA to FreeBSD. Do > > > > > we think that other RDMA providers (IB or iWARP) will be interested > > > > > in supporting FreeBSD? If so it makes sense to put it under > > > > > sys/contrib/rdma, otherwise I'll just add it as another module under > > > > > cxgb. > > > > > > > > It seems unlikely that anyone would bother with IB without RDMA. I > > > > can't see any value in mixing it with the cxgb bits. > > > > > > > > > > I know at least one group that is looking at IB and yeah, the RDMA > > > should be generally consumable. BrooksACK += 1. > > > > > > Later > > > GEorge > > > _______________________________________________ > > > freebsd-arch@freebsd.org mailing list > > > http://lists.freebsd.org/mailman/listinfo/freebsd-arch > > > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org" > > > > > > > > > > > > -- > > /\ Hidetoshi Shimokawa > > \/ simokawa@FreeBSD.ORG > > > _______________________________________________ > freebsd-arch@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arch > To unsubscribe, send any mail to "freebsd-arch-unsubscribe@freebsd.org" > > -- /\ Hidetoshi Shimokawa \/ simokawa@FreeBSD.ORG