Make all network interrupt service routines MPSAFE part 1/3.
[dragonfly.git] / sys / dev / netif / cm / if_cm_isa.c
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1/* $NetBSD: if_bah_zbus.c,v 1.6 2000/01/23 21:06:12 aymeric Exp $ */
2/* $FreeBSD: src/sys/dev/cm/if_cm_isa.c,v 1.1.2.1 2002/02/13 22:33:41 fjoe Exp $ */
78195a76 3/* $DragonFly: src/sys/dev/netif/cm/Attic/if_cm_isa.c,v 1.13 2005/11/28 17:13:41 dillon Exp $ */
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4
5/*-
6 * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
7 * All rights reserved.
8 *
9 * This code is derived from software contributed to The NetBSD Foundation
10 * by Ignatios Souvatzis.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. All advertising materials mentioning features or use of this software
21 * must display the following acknowledgement:
22 * This product includes software developed by the NetBSD
23 * Foundation, Inc. and its contributors.
24 * 4. Neither the name of The NetBSD Foundation nor the names of its
25 * contributors may be used to endorse or promote products derived
26 * from this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
38 * POSSIBILITY OF SUCH DAMAGE.
39 */
40
41#include <sys/param.h>
42#include <sys/systm.h>
43#include <sys/socket.h>
44#include <sys/kernel.h>
254b1b75 45#include <sys/thread2.h>
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46
47#include <sys/module.h>
48#include <sys/bus.h>
49
50#include <machine/bus.h>
51
52#include <net/if.h>
53#include <net/if_arc.h>
54
1f2de5d4 55#include "smc90cx6var.h"
984263bc 56
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57static int cm_isa_probe (device_t);
58static int cm_isa_attach (device_t);
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59
60static int
61cm_isa_probe(dev)
62 device_t dev;
63{
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64 int error;
65
984263bc 66 error = cm_probe(dev);
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67 if (error == 0)
68 error = cm_alloc_irq(dev, 0);
69
70 cm_release_resources(dev);
71 return (error);
72}
73
74static int
75cm_isa_attach(dev)
76 device_t dev;
77{
78 struct cm_softc *sc = device_get_softc(dev);
79 int error;
80
81 cm_alloc_port(dev, sc->port_rid, sc->port_used);
82 cm_alloc_memory(dev, sc->mem_rid, sc->mem_used);
83 cm_alloc_irq(dev, sc->irq_rid);
84
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85 error = cm_attach(dev);
86 if (error)
87 return error;
88
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89 error = bus_setup_intr(dev, sc->irq_res, INTR_NETSAFE,
90 cmintr, sc, &sc->irq_handle,
91 sc->sc_arccom.ac_if.if_serializer);
984263bc 92 if (error) {
3f9026f2 93 arc_ifdetach(&sc->sc_arccom.ac_if);
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94 cm_release_resources(dev);
95 return (error);
96 }
97
3f9026f2 98 return 0;
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99}
100
101static int
102cm_isa_detach(device_t dev)
103{
104 struct cm_softc *sc = device_get_softc(dev);
254b1b75 105
78195a76 106 lwkt_serialize_enter(sc->sc_arccom.ac_if.if_serializer);
984263bc 107 cm_stop(sc);
984263bc 108 arc_ifdetach(&sc->sc_arccom.ac_if);
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109 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
110 cm_release_resources(dev);
78195a76 111 lwkt_serialize_exit(sc->sc_arccom.ac_if.if_serializer);
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112
113 return (0);
114}
115
116static device_method_t cm_isa_methods[] = {
117 /* Device interface */
118 DEVMETHOD(device_probe, cm_isa_probe),
119 DEVMETHOD(device_attach, cm_isa_attach),
120 DEVMETHOD(device_detach, cm_isa_detach),
121
122 { 0, 0 }
123};
124
125static driver_t cm_isa_driver = {
126 "cm",
127 cm_isa_methods,
128 sizeof(struct cm_softc)
129};
130
131DRIVER_MODULE(if_cm, isa, cm_isa_driver, cm_devclass, 0, 0);