From owner-freebsd-acpi@FreeBSD.ORG Thu Oct 26 19:42:44 2006 Return-Path: X-Original-To: freebsd-acpi@freebsd.org Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1333316A492 for ; Thu, 26 Oct 2006 19:42:44 +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 50BF943D55 for ; Thu, 26 Oct 2006 19:42:42 +0000 (GMT) (envelope-from jhb@freebsd.org) Received: from zion.baldwin.cx (zion.baldwin.cx [192.168.0.7]) (authenticated bits=0) by server.baldwin.cx (8.13.6/8.13.6) with ESMTP id k9QJgdLk032791; Thu, 26 Oct 2006 15:42:39 -0400 (EDT) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-acpi@freebsd.org Date: Thu, 26 Oct 2006 14:23:04 -0400 User-Agent: KMail/1.9.1 References: <4540E242.8080100@root.org> In-Reply-To: <4540E242.8080100@root.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200610261423.04670.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [192.168.0.1]); Thu, 26 Oct 2006 15:42:39 -0400 (EDT) X-Virus-Scanned: ClamAV 0.88.3/2107/Thu Oct 26 10:33:29 2006 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: Subject: Re: smbios.ko probes successfully if i disable acpi sysresource, fails if i do not X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 Oct 2006 19:42:44 -0000 On Thursday 26 October 2006 12:28, Nate Lawson wrote: > John Utz wrote: > > Hello; > > > > as you may know i am attempting to use fbsd's smbios functionality to > > support porting the linux i8k-utils dell smbios keyboard and fan stuff. > > > > i just discovered today that disabling sysresource allows the module to > > attach. > > > > so, here's the part that i'd love some help with understanding: > > > > 1. with acpi enabled, is smbios.ko supposed to be asking acpi for a > > resource handle or something? > > > > 2. is acpi_resource.c behaving in error? should it not be consuming the > > smbios startaddr? > > > > note that startaddr for smbios is 0xf000, bios.c looks for pnpbios and > > pcibios starting at 0xe000 and completely ignores smbios. > > > > it seems to me that either statement 1 or 2 is correct, but not both. > > > > of course, i could be totally wrong, can anybody enlighten me? > > ACPI reserves sysresource objects for downstream devices. Then, those > devices get the resources they request via ACPI. Anyway, all this > should be transparent to the downstream devices. They shouldn't care if > they're getting their resources from nexus (top, pseudo-device) or acpi. > > Are you using bus_alloc_resource() or the equivalent to get the > resources in your driver? It transparently maps resource requests to > upstream devices. Please send the output of devinfo -rv with your > driver installed, both with and without sysresource enabled in ACPI. smbios is attached to nexus though, so acpi isn't upstream. -- John Baldwin