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