1 /* $NetBSD: usbdevs.c,v 1.28 2011/08/30 20:51:29 joerg Exp $ */ 2 3 /* 4 * Copyright (c) 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss@NetBSD.org). 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <string.h> 35 #include <sys/types.h> 36 #include <fcntl.h> 37 #include <unistd.h> 38 #include <err.h> 39 #include <errno.h> 40 #include <locale.h> 41 #include <langinfo.h> 42 #include <iconv.h> 43 #include <dev/usb/usb.h> 44 45 #define USBDEV "/dev/usb" 46 47 static int verbose = 0; 48 static int showdevs = 0; 49 50 __dead static void usage(void); 51 static void usbdev(int f, int a, int rec); 52 static void usbdump(int f); 53 static void dumpone(char *name, int f, int addr); 54 55 static void 56 usage(void) 57 { 58 59 fprintf(stderr, "usage: %s [-dv] [-a addr] [-f dev]\n", 60 getprogname()); 61 exit(1); 62 } 63 64 static char done[USB_MAX_DEVICES]; 65 static int indent; 66 #define MAXLEN USB_MAX_ENCODED_STRING_LEN /* assume can't grow over UTF-8 */ 67 static char vendor[MAXLEN], product[MAXLEN], serial[MAXLEN]; 68 69 static void 70 u2t(const char *utf8str, char *termstr) 71 { 72 static iconv_t ic; 73 static int iconv_inited = 0; 74 size_t insz, outsz, icres; 75 76 if (!iconv_inited) { 77 setlocale(LC_ALL, ""); 78 ic = iconv_open(nl_langinfo(CODESET), "UTF-8"); 79 if (ic == (iconv_t)-1) 80 ic = iconv_open("ASCII", "UTF-8"); /* g.c.d. */ 81 iconv_inited = 1; 82 } 83 if (ic != (iconv_t)-1) { 84 insz = strlen(utf8str); 85 outsz = MAXLEN - 1; 86 icres = iconv(ic, &utf8str, &insz, &termstr, &outsz); 87 if (icres != (size_t)-1) { 88 *termstr = '\0'; 89 return; 90 } 91 } 92 strcpy(termstr, "(invalid)"); 93 } 94 95 static void 96 usbdev(int f, int a, int rec) 97 { 98 struct usb_device_info di; 99 int e, p, i; 100 101 di.udi_addr = a; 102 e = ioctl(f, USB_DEVICEINFO, &di); 103 if (e) { 104 if (errno != ENXIO) 105 printf("addr %d: I/O error\n", a); 106 return; 107 } 108 printf("addr %d: ", a); 109 done[a] = 1; 110 if (verbose) { 111 switch (di.udi_speed) { 112 case USB_SPEED_LOW: printf("low speed, "); break; 113 case USB_SPEED_FULL: printf("full speed, "); break; 114 case USB_SPEED_HIGH: printf("high speed, "); break; 115 default: break; 116 } 117 if (di.udi_power) 118 printf("power %d mA, ", di.udi_power); 119 else 120 printf("self powered, "); 121 if (di.udi_config) 122 printf("config %d, ", di.udi_config); 123 else 124 printf("unconfigured, "); 125 } 126 u2t(di.udi_product, product); 127 u2t(di.udi_vendor, vendor); 128 u2t(di.udi_serial, serial); 129 if (verbose) { 130 printf("%s(0x%04x), %s(0x%04x), rev %s", 131 product, di.udi_productNo, 132 vendor, di.udi_vendorNo, di.udi_release); 133 if (di.udi_serial[0]) 134 printf(", serial %s", serial); 135 } else 136 printf("%s, %s", product, vendor); 137 printf("\n"); 138 if (showdevs) { 139 for (i = 0; i < USB_MAX_DEVNAMES; i++) 140 if (di.udi_devnames[i][0]) 141 printf("%*s %s\n", indent, "", 142 di.udi_devnames[i]); 143 } 144 if (!rec) 145 return; 146 for (p = 0; p < di.udi_nports; p++) { 147 int s = di.udi_ports[p]; 148 if (s >= USB_MAX_DEVICES) { 149 if (verbose) { 150 printf("%*sport %d %s\n", indent+1, "", p+1, 151 s == USB_PORT_ENABLED ? "enabled" : 152 s == USB_PORT_SUSPENDED ? "suspended" : 153 s == USB_PORT_POWERED ? "powered" : 154 s == USB_PORT_DISABLED ? "disabled" : 155 "???"); 156 157 } 158 continue; 159 } 160 indent++; 161 printf("%*s", indent, ""); 162 if (verbose) 163 printf("port %d ", p+1); 164 if (s == 0) 165 printf("addr 0 should never happen!\n"); 166 else 167 usbdev(f, s, 1); 168 indent--; 169 } 170 } 171 172 static void 173 usbdump(int f) 174 { 175 int a; 176 177 for (a = 1; a < USB_MAX_DEVICES; a++) { 178 if (!done[a]) 179 usbdev(f, a, 1); 180 } 181 } 182 183 static void 184 dumpone(char *name, int f, int addr) 185 { 186 if (verbose) 187 printf("Controller %s:\n", name); 188 indent = 0; 189 memset(done, 0, sizeof done); 190 if (addr) 191 usbdev(f, addr, 0); 192 else 193 usbdump(f); 194 } 195 196 int 197 main(int argc, char **argv) 198 { 199 int ch, i, f; 200 char buf[50]; 201 char *dev = 0; 202 int addr = 0; 203 int ncont; 204 205 while ((ch = getopt(argc, argv, "a:df:v?")) != -1) { 206 switch(ch) { 207 case 'a': 208 addr = atoi(optarg); 209 break; 210 case 'd': 211 showdevs++; 212 break; 213 case 'f': 214 dev = optarg; 215 break; 216 case 'v': 217 verbose = 1; 218 break; 219 case '?': 220 default: 221 usage(); 222 } 223 } 224 argc -= optind; 225 argv += optind; 226 227 if (dev == 0) { 228 for (ncont = 0, i = 0; i < 10; i++) { 229 snprintf(buf, sizeof(buf), "%s%d", USBDEV, i); 230 f = open(buf, O_RDONLY); 231 if (f >= 0) { 232 dumpone(buf, f, addr); 233 close(f); 234 } else { 235 if (errno == ENOENT || errno == ENXIO) 236 continue; 237 warn("%s", buf); 238 } 239 ncont++; 240 } 241 if (verbose && ncont == 0) 242 printf("%s: no USB controllers found\n", 243 getprogname()); 244 } else { 245 f = open(dev, O_RDONLY); 246 if (f >= 0) 247 dumpone(dev, f, addr); 248 else 249 err(1, "%s", dev); 250 } 251 exit(0); 252 } 253