xref: /openbsd-src/usr.sbin/usbdevs/usbdevs.c (revision ae3cb403620ab940fbaabb3055fac045a63d56b7)
1 /*	$OpenBSD: usbdevs.c,v 1.25 2015/12/22 08:36:40 mmcc Exp $	*/
2 /*	$NetBSD: usbdevs.c,v 1.19 2002/02/21 00:34:31 christos Exp $	*/
3 
4 /*
5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to The NetBSD Foundation
9  * by Lennart Augustsson (augustss@netbsd.org).
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  *    notice, this list of conditions and the following disclaimer in the
18  *    documentation and/or other materials provided with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30  * POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <sys/types.h>
37 #include <fcntl.h>
38 #include <unistd.h>
39 #include <err.h>
40 #include <errno.h>
41 #include <dev/usb/usb.h>
42 
43 #ifndef nitems
44 #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
45 #endif
46 
47 #define USBDEV "/dev/usb"
48 
49 int verbose = 0;
50 int showdevs = 0;
51 
52 void usage(void);
53 void usbdev(int f, int a, int rec);
54 void usbdump(int f);
55 void dumpone(char *name, int f, int addr);
56 int main(int, char **);
57 
58 extern char *__progname;
59 
60 void
61 usage(void)
62 {
63 	fprintf(stderr, "usage: %s [-dv] [-a addr] [-f dev]\n", __progname);
64 	exit(1);
65 }
66 
67 char done[USB_MAX_DEVICES];
68 int indent;
69 
70 void
71 usbdev(int f, int a, int rec)
72 {
73 	struct usb_device_info di;
74 	int e, p, i;
75 
76 	di.udi_addr = a;
77 	e = ioctl(f, USB_DEVICEINFO, &di);
78 	if (e) {
79 		if (errno != ENXIO)
80 			printf("addr %d: I/O error\n", a);
81 		return;
82 	}
83 
84 	printf("addr %d: ", a);
85 	done[a] = 1;
86 	if (verbose) {
87 		switch (di.udi_speed) {
88 		case USB_SPEED_LOW:
89 			printf("low speed, ");
90 			break;
91 		case USB_SPEED_FULL:
92 			printf("full speed, ");
93 			break;
94 		case USB_SPEED_HIGH:
95 			printf("high speed, ");
96 			break;
97 		case USB_SPEED_SUPER:
98 			printf("super speed, ");
99 			break;
100 		default:
101 			break;
102 		}
103 
104 		if (di.udi_power)
105 			printf("power %d mA, ", di.udi_power);
106 		else
107 			printf("self powered, ");
108 		if (di.udi_config)
109 			printf("config %d, ", di.udi_config);
110 		else
111 			printf("unconfigured, ");
112 	}
113 	if (verbose) {
114 		printf("%s(0x%04x), %s(0x%04x), rev %s",
115 		    di.udi_product, di.udi_productNo,
116 		    di.udi_vendor, di.udi_vendorNo, di.udi_release);
117 		if (strlen(di.udi_serial))
118 			printf(", iSerialNumber %s", di.udi_serial);
119 	} else
120 		printf("%s, %s", di.udi_product, di.udi_vendor);
121 	printf("\n");
122 	if (showdevs) {
123 		for (i = 0; i < USB_MAX_DEVNAMES; i++)
124 			if (di.udi_devnames[i][0])
125 				printf("%*s  %s\n", indent, "",
126 				    di.udi_devnames[i]);
127 	}
128 	if (!rec)
129 		return;
130 	for (p = 0; p < di.udi_nports && p < nitems(di.udi_ports); p++) {
131 		int s = di.udi_ports[p];
132 
133 		if (s >= USB_MAX_DEVICES) {
134 			if (verbose) {
135 				printf("%*sport %d %s\n", indent+1, "", p+1,
136 				    s == USB_PORT_ENABLED ? "enabled" :
137 				    s == USB_PORT_SUSPENDED ? "suspended" :
138 				    s == USB_PORT_POWERED ? "powered" :
139 				    s == USB_PORT_DISABLED ? "disabled" :
140 				    "???");
141 			}
142 			continue;
143 		}
144 		indent++;
145 		printf("%*s", indent, "");
146 		if (verbose)
147 			printf("port %d ", p+1);
148 		if (s == 0)
149 			printf("addr 0 should never happen!\n");
150 		else
151 			usbdev(f, s, 1);
152 		indent--;
153 	}
154 }
155 
156 void
157 usbdump(int f)
158 {
159 	int a;
160 
161 	for (a = 1; a < USB_MAX_DEVICES; a++) {
162 		if (!done[a])
163 			usbdev(f, a, 1);
164 	}
165 }
166 
167 void
168 dumpone(char *name, int f, int addr)
169 {
170 	if (verbose)
171 		printf("Controller %s:\n", name);
172 	indent = 0;
173 	memset(done, 0, sizeof done);
174 	if (addr)
175 		usbdev(f, addr, 0);
176 	else
177 		usbdump(f);
178 }
179 
180 int
181 main(int argc, char **argv)
182 {
183 	int ch, i, f;
184 	char buf[50];
185 	char *dev = NULL;
186 	const char *errstr;
187 	int addr = 0;
188 	int ncont;
189 
190 	while ((ch = getopt(argc, argv, "a:df:v?")) != -1) {
191 		switch (ch) {
192 		case 'a':
193 			addr = strtonum(optarg, 1, USB_MAX_DEVICES, &errstr);
194 			if (errstr)
195 				errx(1, "addr %s", errstr);
196 			break;
197 		case 'd':
198 			showdevs = 1;
199 			break;
200 		case 'f':
201 			dev = optarg;
202 			break;
203 		case 'v':
204 			verbose = 1;
205 			break;
206 		default:
207 			usage();
208 		}
209 	}
210 	argc -= optind;
211 	argv += optind;
212 
213 	if (dev == 0) {
214 		for (ncont = 0, i = 0; i < 10; i++) {
215 			snprintf(buf, sizeof buf, "%s%d", USBDEV, i);
216 			f = open(buf, O_RDONLY);
217 			if (f >= 0) {
218 				dumpone(buf, f, addr);
219 				close(f);
220 			} else {
221 				if (errno == ENOENT || errno == ENXIO)
222 					continue;
223 				warn("%s", buf);
224 			}
225 			ncont++;
226 		}
227 		if (verbose && ncont == 0)
228 			printf("%s: no USB controllers found\n",
229 			    __progname);
230 	} else {
231 		f = open(dev, O_RDONLY);
232 		if (f >= 0)
233 			dumpone(dev, f, addr);
234 		else
235 			err(1, "%s", dev);
236 	}
237 	exit(0);
238 }
239