From owner-freebsd-scsi@FreeBSD.ORG Tue Jun 10 15:21:42 2003 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7BC5B37B401; Tue, 10 Jun 2003 15:21:42 -0700 (PDT) Received: from bricore.com (adsl-64-168-71-68.dsl.snfc21.pacbell.net [64.168.71.68]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0BFD543FBD; Tue, 10 Jun 2003 15:21:39 -0700 (PDT) (envelope-from lchen@briontech.com) Received: from lchenpc (lchen-pc.bricore.com [192.168.1.130]) by bricore.com (8.12.6/8.12.6) with SMTP id h5AMLZT3081301; Tue, 10 Jun 2003 15:21:35 -0700 (PDT) (envelope-from lchen@briontech.com) From: "Luoqi Chen" To: "Scott Long" Date: Tue, 10 Jun 2003 15:23:03 -0700 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.6604 (9.0.2911.0) X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 Importance: Normal In-Reply-To: <3EE643E2.7070302@freebsd.org> X-Virus-Scanned: by amavisd-milter (http://amavis.org/) cc: scsi@freebsd.org Subject: RE: 64-bit raid controller recommendation X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 10 Jun 2003 22:21:42 -0000 > The information that I've seen in the dpti2o headers leaves me to > believe that while the command data structures might be limited to the > first 4GB, the data buffer s/g lists are not inherently limited by > anything other than the firmware. Academic difference, though. > It would be best if the asr could be made to work, it could save me a couple of grand. How hard is it to get hold of datasheet for the 2010S card? > The 5.x driver is fully 64-bit capable for data buffers (the firmware > limits command structures to the lower 4GB) and has been tested under > PAE. I have no intention to backport to 4.x as there is no need for > 64 bit support there. If you have PAE support in 4.x then I'd be happy > to help you backport the 64 bit aac work. > > Scott > Yes, I've PAE running in 4.x. If possible, I'd like to commit it back to the tree, what do you think as a release engineer? I'll start backporting aac driver 64 bit support, when I'm done, I'll run it through you, how does it sound? Thanks, really appreciate your help! -luoqi