Date: Sat, 28 Jan 2012 23:46:37 +0000 (UTC) From: Marius Strobl <marius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r230686 - in stable/8/sys: conf sparc64/sparc64 Message-ID: <201201282346.q0SNkb26005212@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: marius Date: Sat Jan 28 23:46:36 2012 New Revision: 230686 URL: http://svn.freebsd.org/changeset/base/230686 Log: MFC: r203845 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: stable/8/sys/sparc64/sparc64/ssm.c - copied unchanged from r203845, head/sys/sparc64/sparc64/ssm.c Modified: stable/8/sys/conf/files.sparc64 Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/conf/files.sparc64 ============================================================================== --- stable/8/sys/conf/files.sparc64 Sat Jan 28 23:45:31 2012 (r230685) +++ stable/8/sys/conf/files.sparc64 Sat Jan 28 23:46:36 2012 (r230686) @@ -128,6 +128,7 @@ 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 "${NORMAL_S} -mcpu=ultrasparc" Copied: stable/8/sys/sparc64/sparc64/ssm.c (from r203845, head/sys/sparc64/sparc64/ssm.c) ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ stable/8/sys/sparc64/sparc64/ssm.c Sat Jan 28 23:46:36 2012 (r230686, copy of r203845, head/sys/sparc64/sparc64/ssm.c) @@ -0,0 +1,74 @@ +/*- + * Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +/* + * Glue allowing devices beneath the scalable shared memory node to be + * treated like nexus(4) children + */ + +#include <sys/param.h> +#include <sys/systm.h> +#include <sys/bus.h> +#include <sys/kernel.h> +#include <sys/module.h> + +#include <dev/ofw/ofw_bus.h> + +#include <machine/nexusvar.h> + +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); +}
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201201282346.q0SNkb26005212>