75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*-
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* Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/*
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* Glue allowing devices beneath the scalable shared memory node to be
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* treated like nexus(4) children
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <dev/ofw/ofw_bus.h>
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#include <machine/nexusvar.h>
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static device_probe_t ssm_probe;
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static device_method_t ssm_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, ssm_probe),
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/* Bus interface */
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/* ofw_bus interface */
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DEVMETHOD_END
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};
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static devclass_t ssm_devclass;
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DEFINE_CLASS_1(ssm, ssm_driver, ssm_methods, 1 /* no softc */, nexus_driver);
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EARLY_DRIVER_MODULE(ssm, nexus, ssm_driver, ssm_devclass, 0, 0, BUS_PASS_BUS);
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MODULE_DEPEND(ssm, nexus, 1, 1, 1);
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MODULE_VERSION(ssm, 1);
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static int
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ssm_probe(device_t dev)
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{
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if (strcmp(ofw_bus_get_name(dev), "ssm") == 0) {
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device_set_desc(dev, "Scalable Shared Memory");
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return (BUS_PROBE_DEFAULT);
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}
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return (ENXIO);
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}
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