From owner-freebsd-arch@FreeBSD.ORG Wed Dec 19 13:19:23 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 D7F7016A418 for ; Wed, 19 Dec 2007 13:19:23 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from cyrus.watson.org (cyrus.watson.org [209.31.154.42]) by mx1.freebsd.org (Postfix) with ESMTP id B58E913C447 for ; Wed, 19 Dec 2007 13:19:23 +0000 (UTC) (envelope-from rwatson@FreeBSD.org) Received: from fledge.watson.org (fledge.watson.org [209.31.154.41]) by cyrus.watson.org (Postfix) with ESMTP id 2377A47828; Wed, 19 Dec 2007 08:19:23 -0500 (EST) Date: Wed, 19 Dec 2007 13:19:23 +0000 (GMT) From: Robert Watson X-X-Sender: robert@fledge.watson.org To: Kip Macy In-Reply-To: Message-ID: <20071219131646.P95322@fledge.watson.org> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: 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 13:19:23 -0000 On Mon, 17 Dec 2007, 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. Kip, Could you put up a snapshot of the changes somewhere, along with some documentation as to the architecture, changes to FreeBSD, changes to the openfabric bits, etc, and pointers to any pertinent documentation that may already exist and would answer obvious and less obvious questions? Thanks, Robert N M Watson Computer Laboratory University of Cambridge