Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932350AbVJCQX3 (ORCPT ); Mon, 3 Oct 2005 12:23:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932310AbVJCQX2 (ORCPT ); Mon, 3 Oct 2005 12:23:28 -0400 Received: from magic.adaptec.com ([216.52.22.17]:47852 "EHLO magic.adaptec.com") by vger.kernel.org with ESMTP id S1751105AbVJCQX1 (ORCPT ); Mon, 3 Oct 2005 12:23:27 -0400 Message-ID: <43415AFC.5080501@adaptec.com> Date: Mon, 03 Oct 2005 12:23:24 -0400 From: Luben Tuikov User-Agent: Mozilla Thunderbird 1.0.6 (X11/20050716) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jeff Garzik CC: Andre Hedrick , "David S. Miller" , willy@w.ods.org, patmans@us.ibm.com, ltuikov@yahoo.com, linux-kernel@vger.kernel.org, akpm@osdl.org, torvalds@osdl.org, linux-scsi@vger.kernel.org, James Bottomley Subject: Re: I request inclusion of SAS Transport Layer and AIC-94xx into the kernel References: <433D8542.1010601@adaptec.com> <433DD0F8.4000501@pobox.com> <43413CE8.1090306@adaptec.com> <434154F0.9070105@pobox.com> In-Reply-To: <434154F0.9070105@pobox.com> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-OriginalArrivalTime: 03 Oct 2005 16:23:24.0980 (UTC) FILETIME=[C7712F40:01C5C836] Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1363 Lines: 38 On 10/03/05 11:57, Jeff Garzik wrote: >>From what I see, because of its *layering* position >>JB's "transport attributes" cannot satisfy open transport. > > > Repeating verbatim the above quote: a transport class is more than just > transport attributes. a) "Transport Attributes" _is_ its name, b) It sits across SCSI Core, i.e. on the same level. c) It was never intended to add management. d) Its inteface to SCSI Core is badly defined and an "invention", (and very poor at that). The reason for d) is that 1) it tries to unify different _transports_, 2) does _not_ follow _any_ spec or standard. Look at this, while you repeat verbaitm a single quote, I give you technical arguments, then you just repeat a single quote verbatim... Sad. > Every chip is ultimately an interface to the transport, regardless of > whether the transport layer is largely managed by software (aic94xx) or > firmware (MPT). SCSI host template can work just fine with open > transport hardware. Maybe the picures and the write up here will help: http://marc.theaimsgroup.com/?l=linux-kernel&m=112810649712793&w=2 Luben - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/