DEVFS - remove dev_ops_add(), dev_ops_get(), and get_dev()
[dragonfly.git] / sys / net / i4b / driver / i4b_ctl.c
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1/*
2 * Copyright (c) 1997, 2000 Hellmuth Michaelis. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 *
25 *---------------------------------------------------------------------------
26 *
27 * i4b_ctl.c - i4b system control port driver
28 * ------------------------------------------
29 *
30 * $Id: i4b_ctl.c,v 1.37 2000/05/31 08:04:43 hm Exp $
31 *
32 * $FreeBSD: src/sys/i4b/driver/i4b_ctl.c,v 1.10.2.3 2001/08/12 16:22:48 hm Exp $
4b1cf444 33 * $DragonFly: src/sys/net/i4b/driver/i4b_ctl.c,v 1.14 2006/12/22 23:44:55 swildner Exp $
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34 *
35 * last edit-date: [Sat Aug 11 18:06:38 2001]
36 *
37 *---------------------------------------------------------------------------*/
38
1f2de5d4 39#include "use_i4bctl.h"
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40
41#if NI4BCTL > 1
42#error "only 1 (one) i4bctl device allowed!"
43#endif
44
45#if NI4BCTL > 0
46
47#include <sys/param.h>
48
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49#include <sys/kernel.h>
50#include <sys/systm.h>
51#include <sys/conf.h>
fef8985e 52#include <sys/device.h>
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53#include <sys/socket.h>
54#include <net/if.h>
55
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56#include <net/i4b/include/machine/i4b_debug.h>
57#include <net/i4b/include/machine/i4b_ioctl.h>
984263bc 58
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59#include "../include/i4b_global.h"
60#include "../include/i4b_l3l4.h"
61#include "../layer2/i4b_l2.h"
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62
63static int openflag = 0;
64
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65static d_open_t i4bctlopen;
66static d_close_t i4bctlclose;
67static d_ioctl_t i4bctlioctl;
68
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69static d_poll_t i4bctlpoll;
70#define POLLFIELD i4bctlpoll
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71
72#define CDEV_MAJOR 55
73
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74static struct dev_ops i4bctl_ops = {
75 { "i4bctl", CDEV_MAJOR, 0 },
76 .d_open = i4bctlopen,
77 .d_close = i4bctlclose,
78 .d_ioctl = i4bctlioctl,
79 .d_poll = POLLFIELD,
984263bc 80};
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81
82static void i4bctlattach(void *);
83PSEUDO_SET(i4bctlattach, i4b_i4bctldrv);
84
85#define PDEVSTATIC static
984263bc 86
984263bc 87/*---------------------------------------------------------------------------*
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88 * interface attach routine
89 *---------------------------------------------------------------------------*/
90PDEVSTATIC void
984263bc 91i4bctlattach(void *dummy)
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92{
93#ifndef HACK_NO_PSEUDO_ATTACH_MSG
4b1cf444 94 kprintf("i4bctl: ISDN system control port attached\n");
984263bc 95#endif
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96}
97
98/*---------------------------------------------------------------------------*
99 * i4bctlopen - device driver open routine
100 *---------------------------------------------------------------------------*/
101PDEVSTATIC int
fef8985e 102i4bctlopen(struct dev_open_args *ap)
984263bc 103{
b13267a5 104 cdev_t dev = ap->a_head.a_dev;
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105 if(minor(dev))
106 return (ENXIO);
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107 if(openflag)
108 return (EBUSY);
984263bc 109 openflag = 1;
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110 return (0);
111}
112
113/*---------------------------------------------------------------------------*
114 * i4bctlclose - device driver close routine
115 *---------------------------------------------------------------------------*/
116PDEVSTATIC int
fef8985e 117i4bctlclose(struct dev_close_args *ap)
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118{
119 openflag = 0;
120 return (0);
121}
122
123/*---------------------------------------------------------------------------*
124 * i4bctlioctl - device driver ioctl routine
125 *---------------------------------------------------------------------------*/
126PDEVSTATIC int
fef8985e 127i4bctlioctl(struct dev_ioctl_args *ap)
984263bc 128{
b13267a5 129 cdev_t dev = ap->a_head.a_dev;
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130#if DO_I4B_DEBUG
131 ctl_debug_t *cdbg;
132 int error = 0;
133#endif
134
135#if !DO_I4B_DEBUG
136 return(ENODEV);
137#else
138 if(minor(dev))
139 return(ENODEV);
140
fef8985e 141 switch(ap->a_cmd)
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142 {
143 case I4B_CTL_GET_DEBUG:
fef8985e 144 cdbg = (ctl_debug_t *)ap->a_data;
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145 cdbg->l1 = i4b_l1_debug;
146 cdbg->l2 = i4b_l2_debug;
147 cdbg->l3 = i4b_l3_debug;
148 cdbg->l4 = i4b_l4_debug;
149 break;
150
151 case I4B_CTL_SET_DEBUG:
fef8985e 152 cdbg = (ctl_debug_t *)ap->a_data;
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153 i4b_l1_debug = cdbg->l1;
154 i4b_l2_debug = cdbg->l2;
155 i4b_l3_debug = cdbg->l3;
156 i4b_l4_debug = cdbg->l4;
157 break;
158
159 case I4B_CTL_GET_CHIPSTAT:
160 {
161 struct chipstat *cst;
fef8985e 162 cst = (struct chipstat *)ap->a_data;
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163 (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_GCST, cst);
164 break;
165 }
166
167 case I4B_CTL_CLR_CHIPSTAT:
168 {
169 struct chipstat *cst;
fef8985e 170 cst = (struct chipstat *)ap->a_data;
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171 (*ctrl_desc[cst->driver_unit].N_MGMT_COMMAND)(cst->driver_unit, CMR_CCST, cst);
172 break;
173 }
174
175 case I4B_CTL_GET_LAPDSTAT:
176 {
177 l2stat_t *l2s;
178 l2_softc_t *sc;
fef8985e 179 l2s = (l2stat_t *)ap->a_data;
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180
181 if( l2s->unit < 0 || l2s->unit > MAXL1UNITS)
182 {
183 error = EINVAL;
184 break;
185 }
186
187 sc = &l2_softc[l2s->unit];
188
189 bcopy(&sc->stat, &l2s->lapdstat, sizeof(lapdstat_t));
190 break;
191 }
192
193 case I4B_CTL_CLR_LAPDSTAT:
194 {
195 int *up;
196 l2_softc_t *sc;
fef8985e 197 up = (int *)ap->a_data;
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198
199 if( *up < 0 || *up > MAXL1UNITS)
200 {
201 error = EINVAL;
202 break;
203 }
204
205 sc = &l2_softc[*up];
206
207 bzero(&sc->stat, sizeof(lapdstat_t));
208 break;
209 }
210
211 default:
212 error = ENOTTY;
213 break;
214 }
215 return(error);
1d94a9ab 216#endif /* DO_I4B_DEBUG */
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217}
218
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219/*---------------------------------------------------------------------------*
220 * i4bctlpoll - device driver poll routine
221 *---------------------------------------------------------------------------*/
222static int
fef8985e 223i4bctlpoll (struct dev_poll_args *ap)
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224{
225 return (ENODEV);
226}
227
984263bc 228#endif /* NI4BCTL > 0 */