From owner-freebsd-sparc64@FreeBSD.ORG Wed Jun 11 12:35:28 2003 Return-Path: Delivered-To: freebsd-sparc64@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B6E0C37B401; Wed, 11 Jun 2003 12:35:28 -0700 (PDT) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0ED0443FD7; Wed, 11 Jun 2003 12:35:27 -0700 (PDT) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [IPv6:3ffe:400:8d0:301:200:92ff:fe9b:20e7]) by srv1.cosmo-project.de (8.12.9/8.12.9) with ESMTP id h5BJYUTh082131 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Wed, 11 Jun 2003 21:34:32 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [IPv6:3ffe:400:8d0:301::12]) by cicely5.cicely.de (8.12.9/8.12.9) with ESMTP id h5BJYSOs068826 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 11 Jun 2003 21:34:29 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.12.9/8.12.9) with ESMTP id h5BJYS9F035383; Wed, 11 Jun 2003 21:34:28 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.12.9/8.12.9/Submit) id h5BJYRcM035382; Wed, 11 Jun 2003 21:34:27 +0200 (CEST) Date: Wed, 11 Jun 2003 21:34:27 +0200 From: Bernd Walter To: "M. Warner Losh" , ticso@cicely.de, ticso@cicely12.cicely.de, freebsd-current@freebsd.org, freebsd-sparc64@freebsd.org Message-ID: <20030611193425.GN26807@cicely12.cicely.de> References: <20030609.224621.71095461.imp@bsdimp.com> <20030610115615.GB10527@cicely12.cicely.de> <20030610121249.GE10527@cicely12.cicely.de> <20030610.082730.102566465.imp@bsdimp.com> <20030610223436.GC37257@funkthat.com> <20030610230230.GC734@crow.dom2ip.de> <20030610234144.GA39701@funkthat.com> <20030611142627.GB634@crow.dom2ip.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20030611142627.GB634@crow.dom2ip.de> X-Operating-System: FreeBSD cicely12.cicely.de 5.1-RELEASE alpha User-Agent: Mutt/1.5.4i Subject: Re: PCI bus numbering and orphaned devices X-BeenThere: freebsd-sparc64@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: ticso@cicely.de List-Id: Porting FreeBSD to the Sparc List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 11 Jun 2003 19:35:29 -0000 On Wed, Jun 11, 2003 at 04:26:27PM +0200, Thomas Moestl wrote: > On Tue, 2003/06/10 at 16:41:44 -0700, John-Mark Gurney wrote: > > Ok, the only problem is that is then we have the same problem the ACPI > > code does in that hot swapping cards would have a problem. Since it > > appears to me that the OFW tree doesn't get updated upon a swap. (At > > least the usb part of the tree doesn't.) > > We do not support hotplugging at the moment anyway. If a bridge driver > would implement that in the future without using any firmware support > however, it will then need to know everything information about the > interrupt routing required for its devices if it cannot use the > firmware for this. in that case, it can just prevent the ofw_pci bus > from attaching to it (this will be easily possible). > I'd hope that machines that support hot-plugging of PCI devices would > have firmware methods available to support that though. I have no clue about cardbus, but for PCI hotplugging you need hardware specific support to power down the slots. But hotplug PCI is not a realm of specific machines, as you can attach add-on hotplug frames to any PCI system. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de