From owner-freebsd-ppc@FreeBSD.ORG Thu Feb 25 01:16:43 2010 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E9A7D106564A; Thu, 25 Feb 2010 01:16:43 +0000 (UTC) (envelope-from jmg@hydrogen.funkthat.com) Received: from hydrogen.funkthat.com (gate.funkthat.com [69.17.45.168]) by mx1.freebsd.org (Postfix) with ESMTP id B04178FC12; Thu, 25 Feb 2010 01:16:43 +0000 (UTC) Received: from hydrogen.funkthat.com (rfi20yj7t50f7r9j@localhost.funkthat.com [127.0.0.1]) by hydrogen.funkthat.com (8.13.6/8.13.3) with ESMTP id o1P0wgOC012002 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Wed, 24 Feb 2010 16:58:43 -0800 (PST) (envelope-from jmg@hydrogen.funkthat.com) Received: (from jmg@localhost) by hydrogen.funkthat.com (8.13.6/8.13.3/Submit) id o1P0wfDi012001; Wed, 24 Feb 2010 16:58:41 -0800 (PST) (envelope-from jmg) Date: Wed, 24 Feb 2010 16:58:41 -0800 From: John-Mark Gurney To: Rajat Jain Message-ID: <20100225005841.GB58753@funkthat.com> Mail-Followup-To: Rajat Jain , Sergey Babkin , jhb@freebsd.org, freebsd-ia32@freebsd.org, freebsd-new-bus@freebsd.org, freebsd-ppc@freebsd.org, freebsd-arch@freebsd.org References: <24099271.347187.1266964555857.JavaMail.root@vms061.mailsrvcs.net> <8506939B503B404A84BBB12293FC45F606B88E55@emailbng3.jnpr.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8506939B503B404A84BBB12293FC45F606B88E55@emailbng3.jnpr.net> User-Agent: Mutt/1.4.2.1i X-Operating-System: FreeBSD 5.4-RELEASE-p6 i386 X-Files: The truth is out there X-URL: http://resnet.uoregon.edu/~gurney_j/ X-Resume: http://resnet.uoregon.edu/~gurney_j/resume.html X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (hydrogen.funkthat.com [127.0.0.1]); Wed, 24 Feb 2010 16:58:43 -0800 (PST) Cc: freebsd-ia32@freebsd.org, freebsd-new-bus@freebsd.org, Sergey Babkin , freebsd-arch@freebsd.org, freebsd-ppc@freebsd.org Subject: Re: Re: Strategy for PCI resource management (for supporting hot-plug) X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 25 Feb 2010 01:16:44 -0000 Rajat Jain wrote this message on Wed, Feb 24, 2010 at 10:02 +0530: > The only problem as you say is when we plug in a PCI card, which has a > HOT-PLUGGABLE SLOT on it (on which we can plug in more cards). (This is > because a bridge wants extra reserved resources only when it is hot-plug > capable). Do such devices exist? Since theoretically possible, but > practically extremely rare, I say we do not support this case. There is an ExpressCard PCI-E expansion box (I have one) which you could put a PCI-E cardbus adapter card in which would I believe be the case that you are asking about... Now how many people would do that? Not many, but more might put in multiport PCI-E cards. -- John-Mark Gurney Voice: +1 415 225 5579 "All that I will do, has been done, All that I have, has not."