From owner-cvs-all@FreeBSD.ORG Sat Jan 10 23:21:42 2004 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0382716A4D0 for ; Sat, 10 Jan 2004 23:21:42 -0800 (PST) Received: from root.org (root.org [67.118.192.226]) by mx1.FreeBSD.org (Postfix) with SMTP id 75FFF43D4C for ; Sat, 10 Jan 2004 23:21:38 -0800 (PST) (envelope-from nate@root.org) Received: (qmail 49751 invoked by uid 1000); 11 Jan 2004 07:21:40 -0000 Date: Sat, 10 Jan 2004 23:21:40 -0800 (PST) From: Nate Lawson To: Warner Losh In-Reply-To: <20040111065246.651CF16A4F9@hub.freebsd.org> Message-ID: <20040110232115.R49720@root.org> References: <20040111065246.651CF16A4F9@hub.freebsd.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/dev/pci pci_pci.c pcib_private.h X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 11 Jan 2004 07:21:42 -0000 On Sat, 10 Jan 2004, Warner Losh wrote: > Modified files: > sys/dev/pci pci_pci.c pcib_private.h > Log: > Add support for subtractive decoding bridges. These bridges pass all > signals to addresses to the child busses. Typically, ProgIf of 1 > means a subtractive bridge. However, Intel has a whole lot of ones > with a ProgIf of 80 that are also subtractive. We cope with these > bridges too. This eliminates hw.pci.allow_unsupported_io_range > because that had almost the same effect as these patches (almost means > 'buggy'). Remove the bogus checks for ISA bus locations: these cycles > aren't special and are only passed by transparent bridges. > > We allow any range to succeed. If the range is a superset of the > range that's decoded, trim the resource to that range. Otherwise, > pass the range unchanged. This will change the location that PC Card > and CardBus cards are attached. This might bogusly cause some > overlapping allocation that wasn't present before, but the overlapping > fixes need to be in the pci level. > > There's also a few formatting changes here. > > Revision Changes Path > 1.29 +126 -159 src/sys/dev/pci/pci_pci.c > 1.6 +2 -0 src/sys/dev/pci/pcib_private.h Woo hoo! Scary also. :) -Nate