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
|
#include <machine/rtems-bsd-kernel-space.h>
/* $FreeBSD$ */
/*-
* Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifdef USB_GLOBAL_INCLUDE_FILE
#include USB_GLOBAL_INCLUDE_FILE
#else
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <rtems/bsd/sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <rtems/bsd/sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_process.h>
#include <dev/usb/usb_device.h>
#include <dev/usb/usb_dynamic.h>
#include <dev/usb/usb_request.h>
#endif /* USB_GLOBAL_INCLUDE_FILE */
/* function prototypes */
static usb_handle_req_t usb_temp_get_desc_w;
static usb_temp_setup_by_index_t usb_temp_setup_by_index_w;
#if USB_HAVE_COMPAT_LINUX
static usb_linux_free_device_t usb_linux_free_device_w;
#endif
static usb_temp_unsetup_t usb_temp_unsetup_w;
static usb_test_quirk_t usb_test_quirk_w;
static usb_quirk_ioctl_t usb_quirk_ioctl_w;
/* global variables */
usb_handle_req_t *usb_temp_get_desc_p = &usb_temp_get_desc_w;
usb_temp_setup_by_index_t *usb_temp_setup_by_index_p = &usb_temp_setup_by_index_w;
#if USB_HAVE_COMPAT_LINUX
usb_linux_free_device_t *usb_linux_free_device_p = &usb_linux_free_device_w;
#endif
usb_temp_unsetup_t *usb_temp_unsetup_p = &usb_temp_unsetup_w;
usb_test_quirk_t *usb_test_quirk_p = &usb_test_quirk_w;
usb_quirk_ioctl_t *usb_quirk_ioctl_p = &usb_quirk_ioctl_w;
devclass_t usb_devclass_ptr;
static usb_error_t
usb_temp_setup_by_index_w(struct usb_device *udev, uint16_t index)
{
return (USB_ERR_INVAL);
}
static uint8_t
usb_test_quirk_w(const struct usbd_lookup_info *info, uint16_t quirk)
{
return (0); /* no match */
}
static int
usb_quirk_ioctl_w(unsigned long cmd, caddr_t data, int fflag, struct thread *td)
{
return (ENOIOCTL);
}
static usb_error_t
usb_temp_get_desc_w(struct usb_device *udev, struct usb_device_request *req, const void **pPtr, uint16_t *pLength)
{
/* stall */
return (USB_ERR_STALLED);
}
static void
usb_temp_unsetup_w(struct usb_device *udev)
{
usbd_free_config_desc(udev, udev->usb_template_ptr);
udev->usb_template_ptr = NULL;
}
#if USB_HAVE_COMPAT_LINUX
static void
usb_linux_free_device_w(struct usb_device *udev)
{
/* NOP */
}
#endif
void
usb_quirk_unload(void *arg)
{
/* reset function pointers */
usb_test_quirk_p = &usb_test_quirk_w;
usb_quirk_ioctl_p = &usb_quirk_ioctl_w;
/* wait for CPU to exit the loaded functions, if any */
/* XXX this is a tradeoff */
pause("WAIT", hz);
}
void
usb_temp_unload(void *arg)
{
/* reset function pointers */
usb_temp_get_desc_p = &usb_temp_get_desc_w;
usb_temp_setup_by_index_p = &usb_temp_setup_by_index_w;
usb_temp_unsetup_p = &usb_temp_unsetup_w;
/* wait for CPU to exit the loaded functions, if any */
/* XXX this is a tradeoff */
pause("WAIT", hz);
}
void
usb_bus_unload(void *arg)
{
/* reset function pointers */
usb_devclass_ptr = NULL;
/* wait for CPU to exit the loaded functions, if any */
/* XXX this is a tradeoff */
pause("WAIT", hz);
}
#if USB_HAVE_COMPAT_LINUX
void
usb_linux_unload(void *arg)
{
/* reset function pointers */
usb_linux_free_device_p = &usb_linux_free_device_w;
/* wait for CPU to exit the loaded functions, if any */
/* XXX this is a tradeoff */
pause("WAIT", hz);
}
#endif
|
