1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* skeleton hub driver, the actual code is in hubdi.c
* as it is shared between the root hub and the other hub instances
*/
#if defined(lint) && !defined(DEBUG)
#define DEBUG 1
#endif
#include <sys/usb/usba/usbai_version.h>
#include <sys/usb/usba.h>
#include <sys/usb/usba/hubdi.h>
#include <sys/usb/hubd/hub.h>
#include <sys/usb/hubd/hubdvar.h>
static int hubd_open(dev_t *devp, int flags, int otyp, cred_t *credp);
static int hubd_close(dev_t dev, int flag, int otyp, cred_t *credp);
static int hubd_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
cred_t *credp, int *rvalp);
static int hubd_info(dev_info_t *dip, ddi_info_cmd_t infocmd,
void *arg, void **result);
extern int usba_hubdi_power(dev_info_t *dip, int comp, int level);
static struct cb_ops hubd_cb_ops = {
hubd_open, /* open */
hubd_close, /* close */
nodev, /* strategy */
nodev, /* print */
nodev, /* dump */
nodev, /* read */
nodev, /* write */
hubd_ioctl, /* ioctl */
nodev, /* devmap */
nodev, /* mmap */
nodev, /* segmap */
nochpoll, /* poll */
ddi_prop_op, /* cb_prop_op */
NULL, /* streamtab */
D_MP /* Driver compatibility flag */
};
static struct dev_ops hubd_ops = {
DEVO_REV, /* devo_rev, */
0, /* refcnt */
hubd_info, /* info */
nulldev, /* identify */
nulldev, /* probe */
usba_hubdi_attach, /* attach */
usba_hubdi_detach, /* detach */
nodev, /* reset */
&hubd_cb_ops, /* driver operations */
&usba_hubdi_busops, /* bus operations */
usba_hubdi_power, /* power */
ddi_quiesce_not_needed, /* quiesce */
};
static struct modldrv modldrv = {
&mod_driverops, /* Type of module. This one is a driver */
"USB Hub Driver", /* Name of the module. */
&hubd_ops, /* driver ops */
};
static struct modlinkage modlinkage = {
MODREV_1, (void *)&modldrv, NULL
};
extern void *hubd_statep;
int
_init(void)
{
int rval;
/* Initialize the soft state structures */
if ((rval = ddi_soft_state_init(&hubd_statep,
sizeof (hubd_t), HUBD_INITIAL_SOFT_SPACE)) != 0) {
return (rval);
}
if ((rval = mod_install(&modlinkage)) != 0) {
ddi_soft_state_fini(&hubd_statep);
return (rval);
}
return (rval);
}
int
_fini(void)
{
int rval = mod_remove(&modlinkage);
if (rval == 0) {
ddi_soft_state_fini(&hubd_statep);
}
return (rval);
}
int
_info(struct modinfo *modinfop)
{
return (mod_info(&modlinkage, modinfop));
}
static dev_info_t *
hubd_get_dip(dev_t dev)
{
minor_t minor = getminor(dev);
int instance = (int)minor & ~HUBD_IS_ROOT_HUB;
hubd_t *hubd = ddi_get_soft_state(hubd_statep, instance);
if (hubd) {
return (hubd->h_dip);
} else {
return (NULL);
}
}
/*
* info handler
*/
/*ARGSUSED*/
int
hubd_info(dev_info_t *dip, ddi_info_cmd_t infocmd,
void *arg, void **result)
{
dev_t dev;
int instance;
int error = DDI_FAILURE;
switch (infocmd) {
case DDI_INFO_DEVT2DEVINFO:
*result = (void *)hubd_get_dip((dev_t)arg);
if (*result != NULL) {
error = DDI_SUCCESS;
}
break;
case DDI_INFO_DEVT2INSTANCE:
dev = (dev_t)arg;
instance = HUBD_UNIT(dev);
*result = (void *)(intptr_t)instance;
error = DDI_SUCCESS;
break;
default:
break;
}
return (error);
}
static int
hubd_open(dev_t *devp, int flags, int otyp, cred_t *credp)
{
dev_info_t *dip = hubd_get_dip(*devp);
return (usba_hubdi_open(dip, devp, flags, otyp, credp));
}
static int
hubd_close(dev_t dev, int flag, int otyp, cred_t *credp)
{
dev_info_t *dip = hubd_get_dip(dev);
return (usba_hubdi_close(dip, dev, flag, otyp, credp));
}
static int
hubd_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
cred_t *credp, int *rvalp)
{
dev_info_t *dip = hubd_get_dip(dev);
return (usba_hubdi_ioctl(dip, dev, cmd, arg, mode,
credp, rvalp));
}
|
