From: Tom Tucker Subject: Re: [PATCH,RFC 00/09] svcrdma: Fast Memory Registration Support Date: Tue, 19 Aug 2008 09:13:58 -0500 Message-ID: <48AAD526.6080402@opengridcomputing.com> References: <48A30685.6050301@opengridcomputing.com> <20080813211953.GN26765@fieldses.org> <48A36004.1030304@opengridcomputing.com> <20080814194847.GH23859@fieldses.org> <48A4A23D.8040702@opengridcomputing.com> <20080818223953.GB32543@fieldses.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Cc: linux-nfs@vger.kernel.org To: "J. Bruce Fields" Return-path: Received: from smtp.opengridcomputing.com ([209.198.142.2]:51711 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753198AbYHSON6 (ORCPT ); Tue, 19 Aug 2008 10:13:58 -0400 In-Reply-To: <20080818223953.GB32543@fieldses.org> Sender: linux-nfs-owner@vger.kernel.org List-ID: J. Bruce Fields wrote: > On Thu, Aug 14, 2008 at 04:23:09PM -0500, Tom Tucker wrote: >> Here are the relevant specs: >> >> Unfortunately, the IB specs are private to the IBTA. >> http://www.infinibandta.org/home >> >> The OFA verbs most closely resemble IB verbs. >> >> Here are the iWARP protocol specs: >> >> http://www.ietf.org/rfc/rfc5040.txt >> http://www.ietf.org/rfc/rfc5041.txt >> http://www.ietf.org/rfc/rfc5044.txt >> >> Here are the iWARP verbs specs. This is what the adapters where written to. >> >> http://www.rdmaconsortium.org/home/RNIC_Verbs_Overview2.pdf >> http://www.rdmaconsortium.org/home/draft-hilland-iwarp-verbs-v1.0-RDMAC.pdf > > OK, thanks very much to you and James for all the explanation. And > actually the IB specs do appear to be available if you give them your > name and address? > > So could one of you add some of this (the explanation of the security > issues, at least) to Documentation/filesystems/nfs-rdma.txt? > > I'm worried about the fact that the amount of trust required in the > network will vary so much depending on exactly which hardware and kernel > version the user has. > > As long as this is relatively specialized hardware, perhaps it's not > such a big deal.... But at the very least I think we should make sure > this is carefully documented. > ok. will do. > --b. > -- > To unsubscribe from this list: send the line "unsubscribe linux-nfs" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html