2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2010 Marius Strobl <marius@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD$");
33 * Glue allowing devices beneath the scalable shared memory node to be
34 * treated like nexus(4) children
37 #include <sys/param.h>
38 #include <sys/systm.h>
40 #include <sys/kernel.h>
41 #include <sys/module.h>
43 #include <dev/ofw/ofw_bus.h>
45 #include <machine/nexusvar.h>
47 static device_probe_t ssm_probe;
49 static device_method_t ssm_methods[] = {
50 /* Device interface */
51 DEVMETHOD(device_probe, ssm_probe),
55 /* ofw_bus interface */
60 static devclass_t ssm_devclass;
62 DEFINE_CLASS_1(ssm, ssm_driver, ssm_methods, 1 /* no softc */, nexus_driver);
63 EARLY_DRIVER_MODULE(ssm, nexus, ssm_driver, ssm_devclass, 0, 0, BUS_PASS_BUS);
64 MODULE_DEPEND(ssm, nexus, 1, 1, 1);
65 MODULE_VERSION(ssm, 1);
68 ssm_probe(device_t dev)
71 if (strcmp(ofw_bus_get_name(dev), "ssm") == 0) {
72 device_set_desc(dev, "Scalable Shared Memory");
73 return (BUS_PROBE_DEFAULT);