From owner-svn-src-all@FreeBSD.ORG Sat Feb 13 19:05:35 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B4F1B106566B; Sat, 13 Feb 2010 19:05:35 +0000 (UTC) (envelope-from marius@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id A41728FC1D; Sat, 13 Feb 2010 19:05:35 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o1DJ5Z0k032149; Sat, 13 Feb 2010 19:05:35 GMT (envelope-from marius@svn.freebsd.org) Received: (from marius@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o1DJ5ZNp032146; Sat, 13 Feb 2010 19:05:35 GMT (envelope-from marius@svn.freebsd.org) Message-Id: <201002131905.o1DJ5ZNp032146@svn.freebsd.org> From: Marius Strobl Date: Sat, 13 Feb 2010 19:05:35 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r203845 - in head/sys: conf sparc64/sparc64 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 13 Feb 2010 19:05:35 -0000 Author: marius Date: Sat Feb 13 19:05:34 2010 New Revision: 203845 URL: http://svn.freebsd.org/changeset/base/203845 Log: Add ssm(4), which serves as a glue device allowing devices beneath the scalable shared memory node, which is used in large UltraSPARC III based machines to group snooping-coherency domains together, like schizo(4) to be treated like nexus(4) children. Added: head/sys/sparc64/sparc64/ssm.c (contents, props changed) Modified: head/sys/conf/files.sparc64 Modified: head/sys/conf/files.sparc64 ============================================================================== --- head/sys/conf/files.sparc64 Sat Feb 13 18:51:49 2010 (r203844) +++ head/sys/conf/files.sparc64 Sat Feb 13 19:05:34 2010 (r203845) @@ -124,6 +124,7 @@ sparc64/sparc64/rwindow.c standard sparc64/sparc64/sc_machdep.c optional sc sparc64/sparc64/schppm.c standard sparc64/sparc64/spitfire.c standard +sparc64/sparc64/ssm.c standard sparc64/sparc64/stack_machdep.c optional ddb | stack sparc64/sparc64/support.S standard \ compile-with "${NORMAL_S} -mcpu=ultrasparc" Added: head/sys/sparc64/sparc64/ssm.c ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ head/sys/sparc64/sparc64/ssm.c Sat Feb 13 19:05:34 2010 (r203845) @@ -0,0 +1,74 @@ +/*- + * Copyright (c) 2010 Marius Strobl + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include +__FBSDID("$FreeBSD$"); + +/* + * Glue allowing devices beneath the scalable shared memory node to be + * treated like nexus(4) children + */ + +#include +#include +#include +#include +#include + +#include + +#include + +static device_probe_t ssm_probe; + +static device_method_t ssm_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, ssm_probe), + + /* Bus interface */ + + /* ofw_bus interface */ + + KOBJMETHOD_END +}; + +static devclass_t ssm_devclass; + +DEFINE_CLASS_1(ssm, ssm_driver, ssm_methods, 1 /* no softc */, nexus_driver); +EARLY_DRIVER_MODULE(ssm, nexus, ssm_driver, ssm_devclass, 0, 0, BUS_PASS_BUS); +MODULE_DEPEND(ssm, nexus, 1, 1, 1); +MODULE_VERSION(ssm, 1); + +static int +ssm_probe(device_t dev) +{ + + if (strcmp(ofw_bus_get_name(dev), "ssm") == 0) { + device_set_desc(dev, "Scalable Shared Memory"); + return (BUS_PROBE_DEFAULT); + } + return (ENXIO); +}