From owner-freebsd-current@FreeBSD.ORG Wed Feb 7 17:37:44 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 8269216A541 for ; Wed, 7 Feb 2007 17:37:43 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.freebsd.org (Postfix) with ESMTP id 96B4013C4A7 for ; Wed, 7 Feb 2007 17:37:42 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.6/8.13.6) with ESMTP id l17HbLhC080304; Wed, 7 Feb 2007 12:37:25 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-current@freebsd.org Date: Wed, 7 Feb 2007 12:12:06 -0500 User-Agent: KMail/1.9.1 References: <17855.30388.764471.322562@grasshopper.cs.duke.edu> <17855.31464.891778.783293@grasshopper.cs.duke.edu> <45C0CCFE.5090407@samsco.org> In-Reply-To: <45C0CCFE.5090407@samsco.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200702071212.06578.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Wed, 07 Feb 2007 12:37:27 -0500 (EST) X-Virus-Scanned: ClamAV 0.88.3/2533/Wed Feb 7 09:20:47 2007 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Andrew Gallatin Subject: Re: restoring PCI config space X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Feb 2007 17:37:44 -0000 On Wednesday 31 January 2007 12:08, Scott Long wrote: > Andrew Gallatin wrote: > > Scott Long writes: > > > I need to do the same thing, and I concluded that pci_cfg_restore needs > > > to be exported out via a DEVMETHOD. It might also be useful to export > > > > Hurray! Do you plan to do this soon? > > > > > a pci_cfg_save function. > > > > Doesn't the config space get saved in pci_add_child? > > > > Drew > > Wouldn't you want to preserve driver-local changes that are made to the > config space? Things like the busmaster enable bit comes to mind. If you use 'pci_enable_busmaster()' then that updates the copy in the dinfo. -- John Baldwin