1 /* $FreeBSD$ */
2 /*-
3 * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27 #include <sys/stdint.h>
28 #include <sys/stddef.h>
29 #include <sys/param.h>
30 #include <sys/queue.h>
31 #include <sys/types.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/bus.h>
35 #include <sys/linker_set.h>
36 #include <sys/module.h>
37 #include <sys/lock.h>
38 #include <sys/mutex.h>
39 #include <sys/condvar.h>
40 #include <sys/sysctl.h>
41 #include <sys/sx.h>
42 #include <sys/unistd.h>
43 #include <sys/callout.h>
44 #include <sys/malloc.h>
45 #include <sys/priv.h>
46
47 #include <dev/usb/usb.h>
48 #include <dev/usb/usbdi.h>
49
50 #include <dev/usb/usb_core.h>
51 #include <dev/usb/usb_debug.h>
52 #include <dev/usb/usb_process.h>
53 #include <dev/usb/usb_device.h>
54 #include <dev/usb/usb_busdma.h>
55 #include <dev/usb/usb_transfer.h>
56
57 #include <ddb/ddb.h>
58 #include <ddb/db_sym.h>
59
60 /*
61 * Define this unconditionally in case a kernel module is loaded that
62 * has been compiled with debugging options.
63 */
64 int usb_debug = 0;
65
66 SYSCTL_NODE(_hw, OID_AUTO, usb, CTLFLAG_RW, 0, "USB debugging");
67 SYSCTL_INT(_hw_usb, OID_AUTO, debug, CTLFLAG_RW,
68 &usb_debug, 0, "Debug level");
69
70 /*------------------------------------------------------------------------*
71 * usb_dump_iface
72 *
73 * This function dumps information about an USB interface.
74 *------------------------------------------------------------------------*/
75 void
76 usb_dump_iface(struct usb_interface *iface)
77 {
78 printf("usb_dump_iface: iface=%p\n", iface);
79 if (iface == NULL) {
80 return;
81 }
82 printf(" iface=%p idesc=%p altindex=%d\n",
83 iface, iface->idesc, iface->alt_index);
84 }
85
86 /*------------------------------------------------------------------------*
87 * usb_dump_device
88 *
89 * This function dumps information about an USB device.
90 *------------------------------------------------------------------------*/
91 void
92 usb_dump_device(struct usb_device *udev)
93 {
94 printf("usb_dump_device: dev=%p\n", udev);
95 if (udev == NULL) {
96 return;
97 }
98 printf(" bus=%p \n"
99 " address=%d config=%d depth=%d speed=%d self_powered=%d\n"
100 " power=%d langid=%d\n",
101 udev->bus,
102 udev->address, udev->curr_config_no, udev->depth, udev->speed,
103 udev->flags.self_powered, udev->power, udev->langid);
104 }
105
106 /*------------------------------------------------------------------------*
107 * usb_dump_queue
108 *
109 * This function dumps the USB transfer that are queued up on an USB endpoint.
110 *------------------------------------------------------------------------*/
111 void
112 usb_dump_queue(struct usb_endpoint *ep)
113 {
114 struct usb_xfer *xfer;
115
116 printf("usb_dump_queue: endpoint=%p xfer: ", ep);
117 TAILQ_FOREACH(xfer, &ep->endpoint_q.head, wait_entry) {
118 printf(" %p", xfer);
119 }
120 printf("\n");
121 }
122
123 /*------------------------------------------------------------------------*
124 * usb_dump_endpoint
125 *
126 * This function dumps information about an USB endpoint.
127 *------------------------------------------------------------------------*/
128 void
129 usb_dump_endpoint(struct usb_endpoint *ep)
130 {
131 if (ep) {
132 printf("usb_dump_endpoint: endpoint=%p", ep);
133
134 printf(" edesc=%p isoc_next=%d toggle_next=%d",
135 ep->edesc, ep->isoc_next, ep->toggle_next);
136
137 if (ep->edesc) {
138 printf(" bEndpointAddress=0x%02x",
139 ep->edesc->bEndpointAddress);
140 }
141 printf("\n");
142 usb_dump_queue(ep);
143 } else {
144 printf("usb_dump_endpoint: endpoint=NULL\n");
145 }
146 }
147
148 /*------------------------------------------------------------------------*
149 * usb_dump_xfer
150 *
151 * This function dumps information about an USB transfer.
152 *------------------------------------------------------------------------*/
153 void
154 usb_dump_xfer(struct usb_xfer *xfer)
155 {
156 struct usb_device *udev;
157 printf("usb_dump_xfer: xfer=%p\n", xfer);
158 if (xfer == NULL) {
159 return;
160 }
161 if (xfer->endpoint == NULL) {
162 printf("xfer %p: endpoint=NULL\n",
163 xfer);
164 return;
165 }
166 udev = xfer->xroot->udev;
167 printf("xfer %p: udev=%p vid=0x%04x pid=0x%04x addr=%d "
168 "endpoint=%p ep=0x%02x attr=0x%02x\n",
169 xfer, udev,
170 UGETW(udev->ddesc.idVendor),
171 UGETW(udev->ddesc.idProduct),
172 udev->address, xfer->endpoint,
173 xfer->endpoint->edesc->bEndpointAddress,
174 xfer->endpoint->edesc->bmAttributes);
175 }
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