1 /* $OpenBSD: usbdevs.c,v 1.20 2011/01/16 00:04:47 jakemsr 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 #define USBDEV "/dev/usb" 44 45 int verbose = 0; 46 int showdevs = 0; 47 48 void usage(void); 49 void usbdev(int f, int a, int rec); 50 int getdevicedesc(int, int, usb_device_descriptor_t *); 51 void usbdump(int f); 52 void dumpone(char *name, int f, int addr); 53 int main(int, char **); 54 55 extern char *__progname; 56 57 void 58 usage(void) 59 { 60 fprintf(stderr, "usage: %s [-dv] [-a addr] [-f dev]\n", __progname); 61 exit(1); 62 } 63 64 char done[USB_MAX_DEVICES]; 65 int indent; 66 67 void 68 usbdev(int f, int a, int rec) 69 { 70 struct usb_device_info di; 71 int e, p, i; 72 73 di.udi_addr = a; 74 e = ioctl(f, USB_DEVICEINFO, &di); 75 if (e) { 76 if (errno != ENXIO) 77 printf("addr %d: I/O error\n", a); 78 return; 79 } 80 81 printf("addr %d: ", a); 82 done[a] = 1; 83 if (verbose) { 84 switch (di.udi_speed) { 85 case USB_SPEED_LOW: 86 printf("low speed, "); 87 break; 88 case USB_SPEED_FULL: 89 printf("full speed, "); 90 break; 91 case USB_SPEED_HIGH: 92 printf("high speed, "); 93 break; 94 default: 95 break; 96 } 97 98 if (di.udi_power) 99 printf("power %d mA, ", di.udi_power); 100 else 101 printf("self powered, "); 102 if (di.udi_config) 103 printf("config %d, ", di.udi_config); 104 else 105 printf("unconfigured, "); 106 } 107 if (verbose) { 108 printf("%s(0x%04x), %s(0x%04x), rev %s", 109 di.udi_product, di.udi_productNo, 110 di.udi_vendor, di.udi_vendorNo, di.udi_release); 111 if (strlen(di.udi_serial)) 112 printf(", iSerialNumber %s", di.udi_serial); 113 } else 114 printf("%s, %s", di.udi_product, di.udi_vendor); 115 printf("\n"); 116 if (showdevs) { 117 for (i = 0; i < USB_MAX_DEVNAMES; i++) 118 if (di.udi_devnames[i][0]) 119 printf("%*s %s\n", indent, "", 120 di.udi_devnames[i]); 121 } 122 if (!rec) 123 return; 124 for (p = 0; p < di.udi_nports; p++) { 125 int s = di.udi_ports[p]; 126 127 if (s >= USB_MAX_DEVICES) { 128 if (verbose) { 129 printf("%*sport %d %s\n", indent+1, "", p+1, 130 s == USB_PORT_ENABLED ? "enabled" : 131 s == USB_PORT_SUSPENDED ? "suspended" : 132 s == USB_PORT_POWERED ? "powered" : 133 s == USB_PORT_DISABLED ? "disabled" : 134 "???"); 135 } 136 continue; 137 } 138 indent++; 139 printf("%*s", indent, ""); 140 if (verbose) 141 printf("port %d ", p+1); 142 if (s == 0) 143 printf("addr 0 should never happen!\n"); 144 else 145 usbdev(f, s, 1); 146 indent--; 147 } 148 } 149 150 int 151 getdevicedesc(int f, int addr, usb_device_descriptor_t *d) 152 { 153 struct usb_ctl_request req; 154 int r; 155 156 req.ucr_addr = addr; 157 req.ucr_request.bmRequestType = UT_READ_DEVICE; 158 req.ucr_request.bRequest = UR_GET_DESCRIPTOR; 159 USETW2(req.ucr_request.wValue, UDESC_DEVICE, 0); 160 USETW(req.ucr_request.wIndex, 0); 161 USETW(req.ucr_request.wLength, USB_DEVICE_DESCRIPTOR_SIZE); 162 req.ucr_data = d; 163 req.ucr_flags = 0; 164 if ((r = ioctl(f, USB_REQUEST, &req)) == -1) 165 perror("getdevicedesc: ioctl"); 166 return (r != -1); 167 } 168 169 void 170 usbdump(int f) 171 { 172 int a; 173 174 for (a = 1; a < USB_MAX_DEVICES; a++) { 175 if (!done[a]) 176 usbdev(f, a, 1); 177 } 178 } 179 180 void 181 dumpone(char *name, int f, int addr) 182 { 183 if (verbose) 184 printf("Controller %s:\n", name); 185 indent = 0; 186 memset(done, 0, sizeof done); 187 if (addr) 188 usbdev(f, addr, 0); 189 else 190 usbdump(f); 191 } 192 193 int 194 main(int argc, char **argv) 195 { 196 int ch, i, f; 197 char buf[50]; 198 char *dev = 0; 199 const char *errstr; 200 int addr = 0; 201 int ncont; 202 203 while ((ch = getopt(argc, argv, "a:df:v?")) != -1) { 204 switch (ch) { 205 case 'a': 206 addr = strtonum(optarg, 1, USB_MAX_DEVICES, &errstr); 207 if (errstr) 208 errx(1, "addr %s", errstr); 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 default: 220 usage(); 221 } 222 } 223 argc -= optind; 224 argv += optind; 225 226 if (dev == 0) { 227 for (ncont = 0, i = 0; i < 10; i++) { 228 snprintf(buf, sizeof buf, "%s%d", USBDEV, i); 229 f = open(buf, O_RDONLY); 230 if (f >= 0) { 231 dumpone(buf, f, addr); 232 close(f); 233 } else { 234 if (errno == ENOENT || errno == ENXIO) 235 continue; 236 warn("%s", buf); 237 } 238 ncont++; 239 } 240 if (verbose && ncont == 0) 241 printf("%s: no USB controllers found\n", 242 __progname); 243 } else { 244 f = open(dev, O_RDONLY); 245 if (f >= 0) 246 dumpone(dev, f, addr); 247 else 248 err(1, "%s", dev); 249 } 250 exit(0); 251 } 252