From owner-freebsd-arch@FreeBSD.ORG Wed Dec 19 07:13:00 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 61DD316A418 for ; Wed, 19 Dec 2007 07:13:00 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: from wa-out-1112.google.com (wa-out-1112.google.com [209.85.146.182]) by mx1.freebsd.org (Postfix) with ESMTP id 2070D13C447 for ; Wed, 19 Dec 2007 07:13:00 +0000 (UTC) (envelope-from kip.macy@gmail.com) Received: by wa-out-1112.google.com with SMTP id k17so4701677waf.3 for ; Tue, 18 Dec 2007 23:12:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=Kg5KPo3iRQwB2GiFxmRldy5d/h6ff++dVOc86OOlwFE=; b=M4R6Ldl494mOC7gl2q2tnWzzoPnBBRc1JIypQZNq1R6BE9rG1lwtRJZ74tiLW2eqlI9JDBDf9l0C5tWvoPXevWNdatUIBJVO5Lo8LQ0mgOhFaNNYD04Ow5n9XMFEvwtgH9XPeOSZu3hqCEy629aljea25Q+qZMBRmN69WPb44eg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=qKH162LKCZ5zZ92mxsxDY70zRCnAhHZUT194vmFLk+IYbanzWNWhO4KqtQXBn/Fg/w3XnsUV7CZgaNaOOtEHy/JzdqEt7uk2rDR/prUCMu6zLpnUkt9EWkTjrtiRbe9sdUjDcAyd2RzX0Jk82jmsF1EmVP1WhpMdgTX89jC/SLk= Received: by 10.114.107.19 with SMTP id f19mr3052317wac.113.1198048379667; Tue, 18 Dec 2007 23:12:59 -0800 (PST) Received: by 10.114.255.11 with HTTP; Tue, 18 Dec 2007 23:12:59 -0800 (PST) Message-ID: Date: Tue, 18 Dec 2007 23:12:59 -0800 From: "Kip Macy" To: "Hidetoshi Shimokawa" , "gnn@freebsd.org" , "Brooks Davis" , freebsd-arch@freebsd.org In-Reply-To: <626eb4530712182307o63ed8d0cjc985f4404e143c1b@mail.gmail.com> 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> Cc: 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 07:13:00 -0000 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 >