1 /* $NetBSD: usb_subr.c,v 1.211 2016/05/02 11:55:21 skrll Exp $ */ 2 /* $FreeBSD: src/sys/dev/usb/usb_subr.c,v 1.18 1999/11/17 22:33:47 n_hibma Exp $ */ 3 4 /* 5 * Copyright (c) 1998, 2004 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 (lennart@augustsson.net) at 10 * Carlstedt Research & Technology. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 __KERNEL_RCSID(0, "$NetBSD: usb_subr.c,v 1.211 2016/05/02 11:55:21 skrll Exp $"); 36 37 #ifdef _KERNEL_OPT 38 #include "opt_compat_netbsd.h" 39 #include "opt_usb.h" 40 #include "opt_usbverbose.h" 41 #endif 42 43 #include <sys/param.h> 44 #include <sys/systm.h> 45 #include <sys/kernel.h> 46 #include <sys/kmem.h> 47 #include <sys/device.h> 48 #include <sys/select.h> 49 #include <sys/proc.h> 50 51 #include <sys/bus.h> 52 #include <sys/module.h> 53 54 #include <dev/usb/usb.h> 55 56 #include <dev/usb/usbdi.h> 57 #include <dev/usb/usbdi_util.h> 58 #include <dev/usb/usbdivar.h> 59 #include <dev/usb/usbdevs.h> 60 #include <dev/usb/usb_quirks.h> 61 #include <dev/usb/usb_verbose.h> 62 #include <dev/usb/usbhist.h> 63 64 #include "locators.h" 65 66 #define DPRINTF(FMT,A,B,C,D) USBHIST_LOG(usbdebug,FMT,A,B,C,D) 67 #define DPRINTFN(N,FMT,A,B,C,D) USBHIST_LOGN(usbdebug,N,FMT,A,B,C,D) 68 69 Static usbd_status usbd_set_config(struct usbd_device *, int); 70 Static void usbd_devinfo(struct usbd_device *, int, char *, size_t); 71 Static void usbd_devinfo_vp(struct usbd_device *, char *, size_t, char *, size_t, 72 int, int); 73 Static int usbd_getnewaddr(struct usbd_bus *); 74 Static int usbd_print(void *, const char *); 75 Static int usbd_ifprint(void *, const char *); 76 Static void usbd_free_iface_data(struct usbd_device *, int); 77 78 uint32_t usb_cookie_no = 0; 79 80 Static const char * const usbd_error_strs[] = { 81 "NORMAL_COMPLETION", 82 "IN_PROGRESS", 83 "PENDING_REQUESTS", 84 "NOT_STARTED", 85 "INVAL", 86 "NOMEM", 87 "CANCELLED", 88 "BAD_ADDRESS", 89 "IN_USE", 90 "NO_ADDR", 91 "SET_ADDR_FAILED", 92 "NO_POWER", 93 "TOO_DEEP", 94 "IOERROR", 95 "NOT_CONFIGURED", 96 "TIMEOUT", 97 "SHORT_XFER", 98 "STALLED", 99 "INTERRUPTED", 100 "XXX", 101 }; 102 103 DEV_VERBOSE_DEFINE(usb); 104 105 const char * 106 usbd_errstr(usbd_status err) 107 { 108 static char buffer[5]; 109 110 if (err < USBD_ERROR_MAX) { 111 return usbd_error_strs[err]; 112 } else { 113 snprintf(buffer, sizeof(buffer), "%d", err); 114 return buffer; 115 } 116 } 117 118 usbd_status 119 usbd_get_string_desc(struct usbd_device *dev, int sindex, int langid, 120 usb_string_descriptor_t *sdesc, int *sizep) 121 { 122 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 123 usb_device_request_t req; 124 usbd_status err; 125 int actlen; 126 127 req.bmRequestType = UT_READ_DEVICE; 128 req.bRequest = UR_GET_DESCRIPTOR; 129 USETW2(req.wValue, UDESC_STRING, sindex); 130 USETW(req.wIndex, langid); 131 USETW(req.wLength, 2); /* only size byte first */ 132 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 133 &actlen, USBD_DEFAULT_TIMEOUT); 134 if (err) 135 return err; 136 137 if (actlen < 2) 138 return USBD_SHORT_XFER; 139 140 USETW(req.wLength, sdesc->bLength); /* the whole string */ 141 err = usbd_do_request_flags(dev, &req, sdesc, USBD_SHORT_XFER_OK, 142 &actlen, USBD_DEFAULT_TIMEOUT); 143 if (err) 144 return err; 145 146 if (actlen != sdesc->bLength) { 147 DPRINTF("expected %d, got %d", sdesc->bLength, actlen, 0, 0); 148 } 149 150 *sizep = actlen; 151 return USBD_NORMAL_COMPLETION; 152 } 153 154 static void 155 usbd_trim_spaces(char *p) 156 { 157 char *q, *e; 158 159 q = e = p; 160 while (*q == ' ') /* skip leading spaces */ 161 q++; 162 while ((*p = *q++)) /* copy string */ 163 if (*p++ != ' ') /* remember last non-space */ 164 e = p; 165 *e = '\0'; /* kill trailing spaces */ 166 } 167 168 static void 169 usbd_get_device_string(struct usbd_device *ud, uByte index, char **buf) 170 { 171 char *b = kmem_alloc(USB_MAX_ENCODED_STRING_LEN, KM_SLEEP); 172 if (b) { 173 usbd_status err = usbd_get_string0(ud, index, b, true); 174 if (err != USBD_NORMAL_COMPLETION) { 175 kmem_free(b, USB_MAX_ENCODED_STRING_LEN); 176 b = NULL; 177 } else { 178 usbd_trim_spaces(b); 179 } 180 } 181 *buf = b; 182 } 183 184 void 185 usbd_get_device_strings(struct usbd_device *ud) 186 { 187 usb_device_descriptor_t *udd = &ud->ud_ddesc; 188 189 usbd_get_device_string(ud, udd->iManufacturer, &ud->ud_vendor); 190 usbd_get_device_string(ud, udd->iProduct, &ud->ud_product); 191 usbd_get_device_string(ud, udd->iSerialNumber, &ud->ud_serial); 192 } 193 194 195 Static void 196 usbd_devinfo_vp(struct usbd_device *dev, char *v, size_t vl, char *p, 197 size_t pl, int usedev, int useencoded) 198 { 199 usb_device_descriptor_t *udd = &dev->ud_ddesc; 200 if (dev == NULL) 201 return; 202 203 v[0] = p[0] = '\0'; 204 205 if (usedev) { 206 if (usbd_get_string0(dev, udd->iManufacturer, v, useencoded) == 207 USBD_NORMAL_COMPLETION) 208 usbd_trim_spaces(v); 209 if (usbd_get_string0(dev, udd->iProduct, p, useencoded) == 210 USBD_NORMAL_COMPLETION) 211 usbd_trim_spaces(p); 212 } else { 213 if (dev->ud_vendor) { 214 strlcpy(v, dev->ud_vendor, vl); 215 } 216 if (dev->ud_product) { 217 strlcpy(p, dev->ud_product, pl); 218 } 219 } 220 if (v[0] == '\0') 221 usb_findvendor(v, vl, UGETW(udd->idVendor)); 222 if (p[0] == '\0') 223 usb_findproduct(p, pl, UGETW(udd->idVendor), 224 UGETW(udd->idProduct)); 225 } 226 227 int 228 usbd_printBCD(char *cp, size_t l, int bcd) 229 { 230 return snprintf(cp, l, "%x.%02x", bcd >> 8, bcd & 0xff); 231 } 232 233 Static void 234 usbd_devinfo(struct usbd_device *dev, int showclass, char *cp, size_t l) 235 { 236 usb_device_descriptor_t *udd = &dev->ud_ddesc; 237 char *vendor, *product; 238 int bcdDevice, bcdUSB; 239 char *ep; 240 241 vendor = kmem_alloc(USB_MAX_ENCODED_STRING_LEN * 2, KM_SLEEP); 242 if (vendor == NULL) { 243 *cp = '\0'; 244 return; 245 } 246 product = &vendor[USB_MAX_ENCODED_STRING_LEN]; 247 248 ep = cp + l; 249 250 usbd_devinfo_vp(dev, vendor, USB_MAX_ENCODED_STRING_LEN, 251 product, USB_MAX_ENCODED_STRING_LEN, 0, 1); 252 cp += snprintf(cp, ep - cp, "%s %s", vendor, product); 253 if (showclass) 254 cp += snprintf(cp, ep - cp, ", class %d/%d", 255 udd->bDeviceClass, udd->bDeviceSubClass); 256 bcdUSB = UGETW(udd->bcdUSB); 257 bcdDevice = UGETW(udd->bcdDevice); 258 cp += snprintf(cp, ep - cp, ", rev "); 259 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 260 *cp++ = '/'; 261 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 262 cp += snprintf(cp, ep - cp, ", addr %d", dev->ud_addr); 263 *cp = 0; 264 kmem_free(vendor, USB_MAX_ENCODED_STRING_LEN * 2); 265 } 266 267 char * 268 usbd_devinfo_alloc(struct usbd_device *dev, int showclass) 269 { 270 char *devinfop; 271 272 devinfop = kmem_alloc(DEVINFOSIZE, KM_SLEEP); 273 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 274 return devinfop; 275 } 276 277 void 278 usbd_devinfo_free(char *devinfop) 279 { 280 kmem_free(devinfop, DEVINFOSIZE); 281 } 282 283 /* Delay for a certain number of ms */ 284 void 285 usb_delay_ms_locked(struct usbd_bus *bus, u_int ms, kmutex_t *lock) 286 { 287 /* Wait at least two clock ticks so we know the time has passed. */ 288 if (bus->ub_usepolling || cold) 289 delay((ms+1) * 1000); 290 else 291 kpause("usbdly", false, (ms*hz+999)/1000 + 1, lock); 292 } 293 294 void 295 usb_delay_ms(struct usbd_bus *bus, u_int ms) 296 { 297 usb_delay_ms_locked(bus, ms, NULL); 298 } 299 300 /* Delay given a device handle. */ 301 void 302 usbd_delay_ms_locked(struct usbd_device *dev, u_int ms, kmutex_t *lock) 303 { 304 usb_delay_ms_locked(dev->ud_bus, ms, lock); 305 } 306 307 /* Delay given a device handle. */ 308 void 309 usbd_delay_ms(struct usbd_device *dev, u_int ms) 310 { 311 usb_delay_ms_locked(dev->ud_bus, ms, NULL); 312 } 313 314 usbd_status 315 usbd_reset_port(struct usbd_device *dev, int port, usb_port_status_t *ps) 316 { 317 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 318 usb_device_request_t req; 319 usbd_status err; 320 int n; 321 322 req.bmRequestType = UT_WRITE_CLASS_OTHER; 323 req.bRequest = UR_SET_FEATURE; 324 USETW(req.wValue, UHF_PORT_RESET); 325 USETW(req.wIndex, port); 326 USETW(req.wLength, 0); 327 err = usbd_do_request(dev, &req, 0); 328 DPRINTFN(1, "port %d reset done, error=%d", port, err, 0, 0); 329 if (err) 330 return err; 331 n = 10; 332 do { 333 /* Wait for device to recover from reset. */ 334 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 335 err = usbd_get_port_status(dev, port, ps); 336 if (err) { 337 DPRINTF("get status failed %d", err, 0, 0, 0); 338 return err; 339 } 340 /* If the device disappeared, just give up. */ 341 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 342 return USBD_NORMAL_COMPLETION; 343 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 344 if (n == 0) 345 return USBD_TIMEOUT; 346 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 347 #ifdef USB_DEBUG 348 if (err) 349 DPRINTF("clear port feature failed %d", err, 0, 0, 0); 350 #endif 351 352 /* Wait for the device to recover from reset. */ 353 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 354 return err; 355 } 356 357 usb_interface_descriptor_t * 358 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 359 { 360 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 361 char *p = (char *)cd; 362 char *end = p + UGETW(cd->wTotalLength); 363 usb_interface_descriptor_t *d; 364 int curidx, lastidx, curaidx = 0; 365 366 for (curidx = lastidx = -1; p < end; ) { 367 d = (usb_interface_descriptor_t *)p; 368 DPRINTFN(4, "idx=%d(%d) altidx=%d(%d)", ifaceidx, curidx, 369 altidx, curaidx); 370 DPRINTFN(4, "len=%d type=%d", d->bLength, d->bDescriptorType, 371 0, 0); 372 if (d->bLength == 0) /* bad descriptor */ 373 break; 374 p += d->bLength; 375 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 376 if (d->bInterfaceNumber != lastidx) { 377 lastidx = d->bInterfaceNumber; 378 curidx++; 379 curaidx = 0; 380 } else 381 curaidx++; 382 if (ifaceidx == curidx && altidx == curaidx) 383 return d; 384 } 385 } 386 return NULL; 387 } 388 389 usb_endpoint_descriptor_t * 390 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 391 int endptidx) 392 { 393 char *p = (char *)cd; 394 char *end = p + UGETW(cd->wTotalLength); 395 usb_interface_descriptor_t *d; 396 usb_endpoint_descriptor_t *e; 397 int curidx; 398 399 d = usbd_find_idesc(cd, ifaceidx, altidx); 400 if (d == NULL) 401 return NULL; 402 if (endptidx >= d->bNumEndpoints) /* quick exit */ 403 return NULL; 404 405 curidx = -1; 406 for (p = (char *)d + d->bLength; p < end; ) { 407 e = (usb_endpoint_descriptor_t *)p; 408 if (e->bLength == 0) /* bad descriptor */ 409 break; 410 p += e->bLength; 411 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 412 return NULL; 413 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 414 curidx++; 415 if (curidx == endptidx) 416 return e; 417 } 418 } 419 return NULL; 420 } 421 422 usbd_status 423 usbd_fill_iface_data(struct usbd_device *dev, int ifaceidx, int altidx) 424 { 425 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 426 struct usbd_interface *ifc = &dev->ud_ifaces[ifaceidx]; 427 usb_interface_descriptor_t *idesc; 428 char *p, *end; 429 int endpt, nendpt; 430 431 DPRINTFN(4, "ifaceidx=%d altidx=%d", ifaceidx, altidx, 0, 0); 432 idesc = usbd_find_idesc(dev->ud_cdesc, ifaceidx, altidx); 433 if (idesc == NULL) 434 return USBD_INVAL; 435 ifc->ui_dev = dev; 436 ifc->ui_idesc = idesc; 437 ifc->ui_index = ifaceidx; 438 ifc->ui_altindex = altidx; 439 nendpt = ifc->ui_idesc->bNumEndpoints; 440 DPRINTFN(4, "found idesc nendpt=%d", nendpt, 0, 0, 0); 441 if (nendpt != 0) { 442 ifc->ui_endpoints = kmem_alloc(nendpt * sizeof(struct usbd_endpoint), 443 KM_SLEEP); 444 if (ifc->ui_endpoints == NULL) 445 return USBD_NOMEM; 446 } else 447 ifc->ui_endpoints = NULL; 448 ifc->ui_priv = NULL; 449 p = (char *)ifc->ui_idesc + ifc->ui_idesc->bLength; 450 end = (char *)dev->ud_cdesc + UGETW(dev->ud_cdesc->wTotalLength); 451 #define ed ((usb_endpoint_descriptor_t *)p) 452 for (endpt = 0; endpt < nendpt; endpt++) { 453 DPRINTFN(10, "endpt=%d", endpt, 0, 0, 0); 454 for (; p < end; p += ed->bLength) { 455 DPRINTFN(10, "p=%p end=%p len=%d type=%d", 456 p, end, ed->bLength, ed->bDescriptorType); 457 if (p + ed->bLength <= end && ed->bLength != 0 && 458 ed->bDescriptorType == UDESC_ENDPOINT) 459 goto found; 460 if (ed->bLength == 0 || 461 ed->bDescriptorType == UDESC_INTERFACE) 462 break; 463 } 464 /* passed end, or bad desc */ 465 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 466 ed->bLength == 0 ? "0 length" : 467 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 468 "out of data"); 469 goto bad; 470 found: 471 ifc->ui_endpoints[endpt].ue_edesc = ed; 472 if (dev->ud_speed == USB_SPEED_HIGH) { 473 u_int mps; 474 /* Control and bulk endpoints have max packet limits. */ 475 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 476 case UE_CONTROL: 477 mps = USB_2_MAX_CTRL_PACKET; 478 goto check; 479 case UE_BULK: 480 mps = USB_2_MAX_BULK_PACKET; 481 check: 482 if (UGETW(ed->wMaxPacketSize) != mps) { 483 USETW(ed->wMaxPacketSize, mps); 484 #ifdef DIAGNOSTIC 485 printf("usbd_fill_iface_data: bad max " 486 "packet size\n"); 487 #endif 488 } 489 break; 490 default: 491 break; 492 } 493 } 494 ifc->ui_endpoints[endpt].ue_refcnt = 0; 495 ifc->ui_endpoints[endpt].ue_toggle = 0; 496 p += ed->bLength; 497 } 498 #undef ed 499 LIST_INIT(&ifc->ui_pipes); 500 return USBD_NORMAL_COMPLETION; 501 502 bad: 503 if (ifc->ui_endpoints != NULL) { 504 kmem_free(ifc->ui_endpoints, nendpt * sizeof(struct usbd_endpoint)); 505 ifc->ui_endpoints = NULL; 506 } 507 return USBD_INVAL; 508 } 509 510 void 511 usbd_free_iface_data(struct usbd_device *dev, int ifcno) 512 { 513 struct usbd_interface *ifc = &dev->ud_ifaces[ifcno]; 514 if (ifc->ui_endpoints) { 515 int nendpt = ifc->ui_idesc->bNumEndpoints; 516 size_t sz = nendpt * sizeof(struct usbd_endpoint); 517 kmem_free(ifc->ui_endpoints, sz); 518 } 519 } 520 521 Static usbd_status 522 usbd_set_config(struct usbd_device *dev, int conf) 523 { 524 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 525 usb_device_request_t req; 526 527 DPRINTFN(5, "dev %p conf %d", dev, conf, 0, 0); 528 529 req.bmRequestType = UT_WRITE_DEVICE; 530 req.bRequest = UR_SET_CONFIG; 531 USETW(req.wValue, conf); 532 USETW(req.wIndex, 0); 533 USETW(req.wLength, 0); 534 return usbd_do_request(dev, &req, 0); 535 } 536 537 usbd_status 538 usbd_set_config_no(struct usbd_device *dev, int no, int msg) 539 { 540 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 541 usb_config_descriptor_t cd; 542 usbd_status err; 543 int index; 544 545 if (no == USB_UNCONFIG_NO) 546 return usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg); 547 548 DPRINTFN(5, "%d", no, 0, 0, 0); 549 /* Figure out what config index to use. */ 550 for (index = 0; index < dev->ud_ddesc.bNumConfigurations; index++) { 551 err = usbd_get_config_desc(dev, index, &cd); 552 if (err) 553 return err; 554 if (cd.bConfigurationValue == no) 555 return usbd_set_config_index(dev, index, msg); 556 } 557 return USBD_INVAL; 558 } 559 560 usbd_status 561 usbd_set_config_index(struct usbd_device *dev, int index, int msg) 562 { 563 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 564 usb_config_descriptor_t cd, *cdp; 565 usb_bos_descriptor_t bd, *bdp = NULL; 566 usbd_status err; 567 int i, ifcidx, nifc, len, selfpowered, power; 568 569 DPRINTFN(5, "dev=%p index=%d", dev, index, 0, 0); 570 571 if (index >= dev->ud_ddesc.bNumConfigurations && 572 index != USB_UNCONFIG_INDEX) { 573 /* panic? */ 574 printf("usbd_set_config_index: illegal index\n"); 575 return USBD_INVAL; 576 } 577 578 /* XXX check that all interfaces are idle */ 579 if (dev->ud_config != USB_UNCONFIG_NO) { 580 DPRINTF("free old config", 0, 0, 0, 0); 581 /* Free all configuration data structures. */ 582 nifc = dev->ud_cdesc->bNumInterface; 583 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 584 usbd_free_iface_data(dev, ifcidx); 585 kmem_free(dev->ud_ifaces, nifc * sizeof(struct usbd_interface)); 586 kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); 587 if (dev->ud_bdesc != NULL) 588 kmem_free(dev->ud_bdesc, 589 UGETW(dev->ud_bdesc->wTotalLength)); 590 dev->ud_ifaces = NULL; 591 dev->ud_cdesc = NULL; 592 dev->ud_bdesc = NULL; 593 dev->ud_config = USB_UNCONFIG_NO; 594 } 595 596 if (index == USB_UNCONFIG_INDEX) { 597 /* We are unconfiguring the device, so leave unallocated. */ 598 DPRINTF("set config 0", 0, 0, 0, 0); 599 err = usbd_set_config(dev, USB_UNCONFIG_NO); 600 if (err) { 601 DPRINTF("setting config=0 failed, err = %d", err, 602 0, 0, 0); 603 } 604 return err; 605 } 606 607 /* Get the short descriptor. */ 608 err = usbd_get_config_desc(dev, index, &cd); 609 if (err) { 610 DPRINTF("get_config_desc=%d", err, 0, 0, 0); 611 return err; 612 } 613 len = UGETW(cd.wTotalLength); 614 cdp = kmem_alloc(len, KM_SLEEP); 615 if (cdp == NULL) 616 return USBD_NOMEM; 617 618 /* Get the full descriptor. Try a few times for slow devices. */ 619 for (i = 0; i < 3; i++) { 620 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 621 if (!err) 622 break; 623 usbd_delay_ms(dev, 200); 624 } 625 if (err) { 626 DPRINTF("get_desc=%d", err, 0, 0, 0); 627 goto bad; 628 } 629 if (cdp->bDescriptorType != UDESC_CONFIG) { 630 DPRINTF("bad desc %d", cdp->bDescriptorType, 0, 0, 0); 631 err = USBD_INVAL; 632 goto bad; 633 } 634 635 if (USB_IS_SS(dev->ud_speed)) { 636 /* get short bos desc */ 637 err = usbd_get_bos_desc(dev, index, &bd); 638 if (!err) { 639 int blen = UGETW(bd.wTotalLength); 640 bdp = kmem_alloc(blen, KM_SLEEP); 641 if (bdp == NULL) { 642 err = USBD_NOMEM; 643 goto bad; 644 } 645 646 /* Get the full desc */ 647 for (i = 0; i < 3; i++) { 648 err = usbd_get_desc(dev, UDESC_BOS, index, blen, 649 bdp); 650 if (!err) 651 break; 652 usbd_delay_ms(dev, 200); 653 } 654 if (err || bdp->bDescriptorType != UDESC_BOS) { 655 DPRINTF("error %d or bad desc %d", err, 656 bdp->bDescriptorType, 0, 0); 657 kmem_free(bdp, blen); 658 bdp = NULL; 659 } 660 } 661 } 662 dev->ud_bdesc = bdp; 663 664 /* 665 * Figure out if the device is self or bus powered. 666 */ 667 #if 0 /* XXX various devices don't report the power state correctly */ 668 selfpowered = 0; 669 err = usbd_get_device_status(dev, &ds); 670 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 671 selfpowered = 1; 672 #endif 673 /* 674 * Use the power state in the configuration we are going 675 * to set. This doesn't necessarily reflect the actual 676 * power state of the device; the driver can control this 677 * by choosing the appropriate configuration. 678 */ 679 selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); 680 681 DPRINTF("addr %d cno=%d attr=0x%02x, selfpowered=%d", 682 dev->ud_addr, cdp->bConfigurationValue, cdp->bmAttributes, 683 selfpowered); 684 DPRINTF("max power=%d", cdp->bMaxPower * 2, 0, 0, 0); 685 686 /* Check if we have enough power. */ 687 #if 0 /* this is a no-op, see above */ 688 if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { 689 if (msg) 690 printf("%s: device addr %d (config %d): " 691 "can't set self powered configuration\n", 692 device_xname(dev->ud_bus->bdev), dev->ud_addr, 693 cdp->bConfigurationValue); 694 err = USBD_NO_POWER; 695 goto bad; 696 } 697 #endif 698 #ifdef USB_DEBUG 699 if (dev->ud_powersrc == NULL) { 700 DPRINTF("No power source?", 0, 0, 0, 0); 701 err = USBD_IOERROR; 702 goto bad; 703 } 704 #endif 705 power = cdp->bMaxPower * 2; 706 if (power > dev->ud_powersrc->up_power) { 707 DPRINTF("power exceeded %d %d", power, dev->ud_powersrc->up_power, 708 0, 0); 709 /* XXX print nicer message. */ 710 if (msg) 711 printf("%s: device addr %d (config %d) exceeds power " 712 "budget, %d mA > %d mA\n", 713 device_xname(dev->ud_bus->ub_usbctl), dev->ud_addr, 714 cdp->bConfigurationValue, 715 power, dev->ud_powersrc->up_power); 716 err = USBD_NO_POWER; 717 goto bad; 718 } 719 dev->ud_power = power; 720 dev->ud_selfpowered = selfpowered; 721 722 /* Set the actual configuration value. */ 723 DPRINTF("set config %d", cdp->bConfigurationValue, 0, 0, 0); 724 err = usbd_set_config(dev, cdp->bConfigurationValue); 725 if (err) { 726 DPRINTF("setting config=%d failed, error=%d", 727 cdp->bConfigurationValue, err, 0, 0); 728 goto bad; 729 } 730 731 /* Allocate and fill interface data. */ 732 nifc = cdp->bNumInterface; 733 dev->ud_ifaces = kmem_alloc(nifc * sizeof(struct usbd_interface), 734 KM_SLEEP); 735 if (dev->ud_ifaces == NULL) { 736 err = USBD_NOMEM; 737 goto bad; 738 } 739 DPRINTFN(5, "dev=%p cdesc=%p", dev, cdp, 0, 0); 740 dev->ud_cdesc = cdp; 741 dev->ud_config = cdp->bConfigurationValue; 742 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 743 err = usbd_fill_iface_data(dev, ifcidx, 0); 744 if (err) { 745 while (--ifcidx >= 0) 746 usbd_free_iface_data(dev, ifcidx); 747 goto bad; 748 } 749 } 750 751 return USBD_NORMAL_COMPLETION; 752 753 bad: 754 kmem_free(cdp, len); 755 if (bdp != NULL) { 756 kmem_free(bdp, UGETW(bdp->wTotalLength)); 757 dev->ud_bdesc = NULL; 758 } 759 return err; 760 } 761 762 /* XXX add function for alternate settings */ 763 764 usbd_status 765 usbd_setup_pipe(struct usbd_device *dev, struct usbd_interface *iface, 766 struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe) 767 { 768 return usbd_setup_pipe_flags(dev, iface, ep, ival, pipe, 0); 769 } 770 771 usbd_status 772 usbd_setup_pipe_flags(struct usbd_device *dev, struct usbd_interface *iface, 773 struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe, uint8_t flags) 774 { 775 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 776 struct usbd_pipe *p; 777 usbd_status err; 778 779 p = kmem_alloc(dev->ud_bus->ub_pipesize, KM_SLEEP); 780 DPRINTFN(1, "dev=%p addr=%d iface=%p ep=%p pipe=%p", dev, dev->ud_addr, iface, ep); 781 if (p == NULL) { 782 DPRINTFN(1, "(nomem)", 0, 0, 0, 0); 783 return USBD_NOMEM; 784 } 785 p->up_dev = dev; 786 p->up_iface = iface; 787 p->up_endpoint = ep; 788 ep->ue_refcnt++; 789 p->up_intrxfer = NULL; 790 p->up_running = 0; 791 p->up_aborting = 0; 792 p->up_serialise = true; 793 p->up_repeat = 0; 794 p->up_interval = ival; 795 p->up_flags = flags; 796 p->up_serialise = true; 797 SIMPLEQ_INIT(&p->up_queue); 798 err = dev->ud_bus->ub_methods->ubm_open(p); 799 if (err) { 800 DPRINTF("endpoint=0x%x failed, error=%d", 801 ep->ue_edesc->bEndpointAddress, err, 0, 0); 802 kmem_intr_free(p, dev->ud_bus->ub_pipesize); 803 return err; 804 } 805 806 KASSERT(p->up_methods->upm_start || p->up_serialise == false); 807 808 usb_init_task(&p->up_async_task, usbd_clear_endpoint_stall_task, p, 809 USB_TASKQ_MPSAFE); 810 DPRINTFN(1, "pipe=%p", p, 0, 0, 0); 811 *pipe = p; 812 return USBD_NORMAL_COMPLETION; 813 } 814 815 /* Abort the device control pipe. */ 816 void 817 usbd_kill_pipe(struct usbd_pipe *pipe) 818 { 819 usbd_abort_pipe(pipe); 820 usbd_lock_pipe(pipe); 821 pipe->up_methods->upm_close(pipe); 822 usbd_unlock_pipe(pipe); 823 usb_rem_task(pipe->up_dev, &pipe->up_async_task); 824 pipe->up_endpoint->ue_refcnt--; 825 kmem_free(pipe, pipe->up_dev->ud_bus->ub_pipesize); 826 } 827 828 int 829 usbd_getnewaddr(struct usbd_bus *bus) 830 { 831 int addr; 832 833 for (addr = 1; addr < USB_MAX_DEVICES; addr++) 834 if (bus->ub_devices[addr] == NULL) 835 return addr; 836 return -1; 837 } 838 839 usbd_status 840 usbd_attach_roothub(device_t parent, struct usbd_device *dev) 841 { 842 struct usb_attach_arg uaa; 843 usb_device_descriptor_t *dd = &dev->ud_ddesc; 844 device_t dv; 845 846 uaa.uaa_device = dev; 847 uaa.uaa_usegeneric = 0; 848 uaa.uaa_port = 0; 849 uaa.uaa_vendor = UGETW(dd->idVendor); 850 uaa.uaa_product = UGETW(dd->idProduct); 851 uaa.uaa_release = UGETW(dd->bcdDevice); 852 uaa.uaa_class = dd->bDeviceClass; 853 uaa.uaa_subclass = dd->bDeviceSubClass; 854 uaa.uaa_proto = dd->bDeviceProtocol; 855 856 dv = config_found_ia(parent, "usbroothubif", &uaa, 0); 857 if (dv) { 858 dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); 859 if (dev->ud_subdevs == NULL) 860 return USBD_NOMEM; 861 dev->ud_subdevs[0] = dv; 862 dev->ud_subdevlen = 1; 863 } 864 return USBD_NORMAL_COMPLETION; 865 } 866 867 static void 868 usbd_serialnumber(device_t dv, struct usbd_device *dev) 869 { 870 if (dev->ud_serial) { 871 prop_dictionary_set_cstring(device_properties(dv), 872 "serialnumber", dev->ud_serial); 873 } 874 } 875 876 static usbd_status 877 usbd_attachwholedevice(device_t parent, struct usbd_device *dev, int port, 878 int usegeneric) 879 { 880 struct usb_attach_arg uaa; 881 usb_device_descriptor_t *dd = &dev->ud_ddesc; 882 device_t dv; 883 int dlocs[USBDEVIFCF_NLOCS]; 884 885 uaa.uaa_device = dev; 886 uaa.uaa_usegeneric = usegeneric; 887 uaa.uaa_port = port; 888 uaa.uaa_vendor = UGETW(dd->idVendor); 889 uaa.uaa_product = UGETW(dd->idProduct); 890 uaa.uaa_release = UGETW(dd->bcdDevice); 891 uaa.uaa_class = dd->bDeviceClass; 892 uaa.uaa_subclass = dd->bDeviceSubClass; 893 uaa.uaa_proto = dd->bDeviceProtocol; 894 895 dlocs[USBDEVIFCF_PORT] = uaa.uaa_port; 896 dlocs[USBDEVIFCF_VENDOR] = uaa.uaa_vendor; 897 dlocs[USBDEVIFCF_PRODUCT] = uaa.uaa_product; 898 dlocs[USBDEVIFCF_RELEASE] = uaa.uaa_release; 899 /* the rest is historical ballast */ 900 dlocs[USBDEVIFCF_CONFIGURATION] = -1; 901 dlocs[USBDEVIFCF_INTERFACE] = -1; 902 903 KERNEL_LOCK(1, NULL); 904 dv = config_found_sm_loc(parent, "usbdevif", dlocs, &uaa, usbd_print, 905 config_stdsubmatch); 906 KERNEL_UNLOCK_ONE(NULL); 907 if (dv) { 908 dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); 909 if (dev->ud_subdevs == NULL) 910 return USBD_NOMEM; 911 dev->ud_subdevs[0] = dv; 912 dev->ud_subdevlen = 1; 913 dev->ud_nifaces_claimed = 1; /* XXX */ 914 usbd_serialnumber(dv, dev); 915 } 916 return USBD_NORMAL_COMPLETION; 917 } 918 919 static usbd_status 920 usbd_attachinterfaces(device_t parent, struct usbd_device *dev, 921 int port, const int *locators) 922 { 923 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 924 struct usbif_attach_arg uiaa; 925 int ilocs[USBIFIFCF_NLOCS]; 926 usb_device_descriptor_t *dd = &dev->ud_ddesc; 927 int nifaces; 928 struct usbd_interface **ifaces; 929 int i, j, loc; 930 device_t dv; 931 932 nifaces = dev->ud_cdesc->bNumInterface; 933 ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP); 934 if (!ifaces) 935 return USBD_NOMEM; 936 for (i = 0; i < nifaces; i++) { 937 if (!dev->ud_subdevs[i]) { 938 ifaces[i] = &dev->ud_ifaces[i]; 939 } 940 DPRINTF("interface %d %p", i, ifaces[i], 0, 0); 941 } 942 943 944 uiaa.uiaa_device = dev; 945 uiaa.uiaa_port = port; 946 uiaa.uiaa_vendor = UGETW(dd->idVendor); 947 uiaa.uiaa_product = UGETW(dd->idProduct); 948 uiaa.uiaa_release = UGETW(dd->bcdDevice); 949 uiaa.uiaa_configno = dev->ud_cdesc->bConfigurationValue; 950 uiaa.uiaa_ifaces = ifaces; 951 uiaa.uiaa_nifaces = nifaces; 952 ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port; 953 ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor; 954 ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product; 955 ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release; 956 ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno; 957 958 for (i = 0; i < nifaces; i++) { 959 if (!ifaces[i]) { 960 DPRINTF("interface %d claimed", i, 0, 0, 0); 961 continue; /* interface already claimed */ 962 } 963 uiaa.uiaa_iface = ifaces[i]; 964 uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass; 965 uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass; 966 uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol; 967 uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber; 968 969 DPRINTF("searching for interface %d...", i, 0, 0, 0); 970 DPRINTF("class %x subclass %x proto %x ifaceno %d", 971 uiaa.uiaa_class, uiaa.uiaa_subclass, uiaa.uiaa_proto, 972 uiaa.uiaa_ifaceno); 973 ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno; 974 if (locators != NULL) { 975 loc = locators[USBIFIFCF_CONFIGURATION]; 976 if (loc != USBIFIFCF_CONFIGURATION_DEFAULT && 977 loc != uiaa.uiaa_configno) 978 continue; 979 loc = locators[USBIFIFCF_INTERFACE]; 980 if (loc != USBIFIFCF_INTERFACE_DEFAULT && 981 loc != uiaa.uiaa_ifaceno) 982 continue; 983 } 984 KERNEL_LOCK(1, NULL); 985 dv = config_found_sm_loc(parent, "usbifif", ilocs, &uiaa, 986 usbd_ifprint, config_stdsubmatch); 987 KERNEL_UNLOCK_ONE(NULL); 988 if (!dv) 989 continue; 990 991 usbd_serialnumber(dv, dev); 992 993 /* claim */ 994 ifaces[i] = NULL; 995 /* account for ifaces claimed by the driver behind our back */ 996 for (j = 0; j < nifaces; j++) { 997 998 if (!ifaces[j] && !dev->ud_subdevs[j]) { 999 DPRINTF("interface %d claimed behind our back", 1000 j, 0, 0, 0); 1001 dev->ud_subdevs[j] = dv; 1002 dev->ud_nifaces_claimed++; 1003 } 1004 } 1005 } 1006 1007 kmem_free(ifaces, nifaces * sizeof(*ifaces)); 1008 return USBD_NORMAL_COMPLETION; 1009 } 1010 1011 usbd_status 1012 usbd_probe_and_attach(device_t parent, struct usbd_device *dev, 1013 int port, int addr) 1014 { 1015 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1016 usb_device_descriptor_t *dd = &dev->ud_ddesc; 1017 int confi, nifaces; 1018 usbd_status err; 1019 1020 /* First try with device specific drivers. */ 1021 DPRINTF("trying device specific drivers", 0, 0, 0, 0); 1022 err = usbd_attachwholedevice(parent, dev, port, 0); 1023 if (dev->ud_nifaces_claimed || err) 1024 return err; 1025 DPRINTF("no device specific driver found", 0, 0, 0, 0); 1026 1027 DPRINTF("looping over %d configurations", dd->bNumConfigurations, 1028 0, 0, 0); 1029 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 1030 DPRINTFN(1, "trying config idx=%d", confi, 0, 0, 0); 1031 err = usbd_set_config_index(dev, confi, 1); 1032 if (err) { 1033 DPRINTF("port %d, set config at addr %d failed, " 1034 "error=%d", port, addr, err, 0); 1035 printf("%s: port %d, set config at addr %d failed\n", 1036 device_xname(parent), port, addr); 1037 return err; 1038 } 1039 nifaces = dev->ud_cdesc->bNumInterface; 1040 dev->ud_subdevs = kmem_zalloc(nifaces * sizeof(device_t), 1041 KM_SLEEP); 1042 if (dev->ud_subdevs == NULL) 1043 return USBD_NOMEM; 1044 dev->ud_subdevlen = nifaces; 1045 1046 err = usbd_attachinterfaces(parent, dev, port, NULL); 1047 1048 if (!dev->ud_nifaces_claimed) { 1049 kmem_free(dev->ud_subdevs, 1050 dev->ud_subdevlen * sizeof(device_t)); 1051 dev->ud_subdevs = 0; 1052 dev->ud_subdevlen = 0; 1053 } 1054 if (dev->ud_nifaces_claimed || err) 1055 return err; 1056 } 1057 /* No interfaces were attached in any of the configurations. */ 1058 1059 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 1060 usbd_set_config_index(dev, 0, 0); 1061 1062 DPRINTF("no interface drivers found", 0, 0, 0, 0); 1063 1064 /* Finally try the generic driver. */ 1065 err = usbd_attachwholedevice(parent, dev, port, 1); 1066 1067 /* 1068 * The generic attach failed, but leave the device as it is. 1069 * We just did not find any drivers, that's all. The device is 1070 * fully operational and not harming anyone. 1071 */ 1072 DPRINTF("generic attach failed", 0, 0, 0, 0); 1073 1074 return USBD_NORMAL_COMPLETION; 1075 } 1076 1077 /** 1078 * Called from uhub_rescan(). usbd_new_device() for the target dev must be 1079 * called before calling this. 1080 */ 1081 usbd_status 1082 usbd_reattach_device(device_t parent, struct usbd_device *dev, 1083 int port, const int *locators) 1084 { 1085 int i, loc; 1086 1087 if (locators != NULL) { 1088 loc = locators[USBIFIFCF_PORT]; 1089 if (loc != USBIFIFCF_PORT_DEFAULT && loc != port) 1090 return USBD_NORMAL_COMPLETION; 1091 loc = locators[USBIFIFCF_VENDOR]; 1092 if (loc != USBIFIFCF_VENDOR_DEFAULT && 1093 loc != UGETW(dev->ud_ddesc.idVendor)) 1094 return USBD_NORMAL_COMPLETION; 1095 loc = locators[USBIFIFCF_PRODUCT]; 1096 if (loc != USBIFIFCF_PRODUCT_DEFAULT && 1097 loc != UGETW(dev->ud_ddesc.idProduct)) 1098 return USBD_NORMAL_COMPLETION; 1099 loc = locators[USBIFIFCF_RELEASE]; 1100 if (loc != USBIFIFCF_RELEASE_DEFAULT && 1101 loc != UGETW(dev->ud_ddesc.bcdDevice)) 1102 return USBD_NORMAL_COMPLETION; 1103 } 1104 if (dev->ud_subdevlen == 0) { 1105 /* XXX: check USBIFIFCF_CONFIGURATION and 1106 * USBIFIFCF_INTERFACE too */ 1107 return usbd_probe_and_attach(parent, dev, port, dev->ud_addr); 1108 } else if (dev->ud_subdevlen != dev->ud_cdesc->bNumInterface) { 1109 /* device-specific or generic driver is already attached. */ 1110 return USBD_NORMAL_COMPLETION; 1111 } 1112 /* Does the device have unconfigured interfaces? */ 1113 for (i = 0; i < dev->ud_subdevlen; i++) { 1114 if (dev->ud_subdevs[i] == NULL) { 1115 break; 1116 } 1117 } 1118 if (i >= dev->ud_subdevlen) 1119 return USBD_NORMAL_COMPLETION; 1120 return usbd_attachinterfaces(parent, dev, port, locators); 1121 } 1122 1123 /* 1124 * Get the first 8 bytes of the device descriptor. 1125 * Do as Windows does: try to read 64 bytes -- there are devices which 1126 * recognize the initial descriptor fetch (before the control endpoint's 1127 * MaxPacketSize is known by the host) by exactly this length. 1128 */ 1129 usbd_status 1130 usbd_get_initial_ddesc(struct usbd_device *dev, usb_device_descriptor_t *desc) 1131 { 1132 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1133 usb_device_request_t req; 1134 char buf[64]; 1135 int res, actlen; 1136 1137 DPRINTFN(5, "dev %p", dev, 0, 0, 0); 1138 1139 req.bmRequestType = UT_READ_DEVICE; 1140 req.bRequest = UR_GET_DESCRIPTOR; 1141 USETW2(req.wValue, UDESC_DEVICE, 0); 1142 USETW(req.wIndex, 0); 1143 USETW(req.wLength, 64); 1144 res = usbd_do_request_flags(dev, &req, buf, USBD_SHORT_XFER_OK, 1145 &actlen, USBD_DEFAULT_TIMEOUT); 1146 if (res) 1147 return res; 1148 if (actlen < 8) 1149 return USBD_SHORT_XFER; 1150 memcpy(desc, buf, 8); 1151 return USBD_NORMAL_COMPLETION; 1152 } 1153 1154 /* 1155 * Called when a new device has been put in the powered state, 1156 * but not yet in the addressed state. 1157 * Get initial descriptor, set the address, get full descriptor, 1158 * and attach a driver. 1159 */ 1160 usbd_status 1161 usbd_new_device(device_t parent, struct usbd_bus* bus, int depth, 1162 int speed, int port, struct usbd_port *up) 1163 { 1164 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1165 struct usbd_device *dev, *adev; 1166 struct usbd_device *hub; 1167 usb_device_descriptor_t *dd; 1168 usb_port_status_t ps; 1169 usbd_status err; 1170 int addr; 1171 int i; 1172 int p; 1173 1174 DPRINTF("bus=%p port=%d depth=%d speed=%d", bus, port, depth, speed); 1175 1176 if (bus->ub_methods->ubm_newdev != NULL) 1177 return (bus->ub_methods->ubm_newdev)(parent, bus, depth, speed, 1178 port, up); 1179 1180 addr = usbd_getnewaddr(bus); 1181 if (addr < 0) { 1182 printf("%s: No free USB addresses, new device ignored.\n", 1183 device_xname(bus->ub_usbctl)); 1184 return USBD_NO_ADDR; 1185 } 1186 1187 dev = kmem_zalloc(sizeof(*dev), KM_SLEEP); 1188 if (dev == NULL) 1189 return USBD_NOMEM; 1190 1191 dev->ud_bus = bus; 1192 1193 /* Set up default endpoint handle. */ 1194 dev->ud_ep0.ue_edesc = &dev->ud_ep0desc; 1195 1196 /* Set up default endpoint descriptor. */ 1197 dev->ud_ep0desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1198 dev->ud_ep0desc.bDescriptorType = UDESC_ENDPOINT; 1199 dev->ud_ep0desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1200 dev->ud_ep0desc.bmAttributes = UE_CONTROL; 1201 /* 1202 * temporary, will be fixed after first descriptor fetch 1203 * (which uses 64 bytes so it shouldn't be less), 1204 * highspeed devices must support 64 byte packets anyway 1205 */ 1206 if (speed == USB_SPEED_HIGH || speed == USB_SPEED_FULL) 1207 USETW(dev->ud_ep0desc.wMaxPacketSize, 64); 1208 else 1209 USETW(dev->ud_ep0desc.wMaxPacketSize, USB_MAX_IPACKET); 1210 1211 dev->ud_ep0desc.bInterval = 0; 1212 1213 /* doesn't matter, just don't leave it uninitialized */ 1214 dev->ud_ep0.ue_toggle = 0; 1215 1216 dev->ud_quirks = &usbd_no_quirk; 1217 dev->ud_addr = USB_START_ADDR; 1218 dev->ud_ddesc.bMaxPacketSize = 0; 1219 dev->ud_depth = depth; 1220 dev->ud_powersrc = up; 1221 dev->ud_myhub = up->up_parent; 1222 1223 up->up_dev = dev; 1224 1225 /* Locate port on upstream high speed hub */ 1226 for (adev = dev, hub = up->up_parent; 1227 hub != NULL && hub->ud_speed != USB_SPEED_HIGH; 1228 adev = hub, hub = hub->ud_myhub) 1229 ; 1230 if (hub) { 1231 for (p = 0; p < hub->ud_hub->uh_hubdesc.bNbrPorts; p++) { 1232 if (hub->ud_hub->uh_ports[p].up_dev == adev) { 1233 dev->ud_myhsport = &hub->ud_hub->uh_ports[p]; 1234 goto found; 1235 } 1236 } 1237 panic("usbd_new_device: cannot find HS port"); 1238 found: 1239 DPRINTFN(1, "high speed port %d", p, 0, 0, 0); 1240 } else { 1241 dev->ud_myhsport = NULL; 1242 } 1243 dev->ud_speed = speed; 1244 dev->ud_langid = USBD_NOLANG; 1245 dev->ud_cookie.cookie = ++usb_cookie_no; 1246 1247 /* Establish the default pipe. */ 1248 err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, 1249 &dev->ud_pipe0, USBD_MPSAFE); 1250 if (err) { 1251 usbd_remove_device(dev, up); 1252 return err; 1253 } 1254 1255 dd = &dev->ud_ddesc; 1256 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1257 for (i = 0; i < 10; i++) { 1258 /* Get the first 8 bytes of the device descriptor. */ 1259 err = usbd_get_initial_ddesc(dev, dd); 1260 if (!err) 1261 break; 1262 usbd_delay_ms(dev, 200); 1263 if ((i & 3) == 3) 1264 usbd_reset_port(up->up_parent, port, &ps); 1265 } 1266 if (err) { 1267 DPRINTF("addr=%d, getting first desc failed: %d", addr, err, 1268 0, 0); 1269 usbd_remove_device(dev, up); 1270 return err; 1271 } 1272 1273 /* Windows resets the port here, do likewise */ 1274 if (up->up_parent) 1275 usbd_reset_port(up->up_parent, port, &ps); 1276 1277 if (speed == USB_SPEED_HIGH) { 1278 /* Max packet size must be 64 (sec 5.5.3). */ 1279 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1280 #ifdef DIAGNOSTIC 1281 printf("usbd_new_device: addr=%d bad max packet " 1282 "size=%d. adjusting to %d.\n", 1283 addr, dd->bMaxPacketSize, USB_2_MAX_CTRL_PACKET); 1284 #endif 1285 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1286 } 1287 } 1288 1289 DPRINTF("adding unit addr=%d, rev=%02x, class=%d, subclass=%d", addr, 1290 UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass); 1291 DPRINTF("protocol=%d, maxpacket=%d, len=%d, speed=%d", 1292 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, dev->ud_speed); 1293 1294 if (dd->bDescriptorType != UDESC_DEVICE) { 1295 /* Illegal device descriptor */ 1296 DPRINTF("illegal descriptor %d", dd->bDescriptorType, 0, 0, 0); 1297 usbd_remove_device(dev, up); 1298 return USBD_INVAL; 1299 } 1300 1301 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1302 DPRINTF("bad length %d", dd->bLength, 0, 0, 0); 1303 usbd_remove_device(dev, up); 1304 return USBD_INVAL; 1305 } 1306 1307 USETW(dev->ud_ep0desc.wMaxPacketSize, dd->bMaxPacketSize); 1308 1309 /* Re-establish the default pipe with the new MPS. */ 1310 usbd_kill_pipe(dev->ud_pipe0); 1311 err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, 1312 &dev->ud_pipe0, USBD_MPSAFE); 1313 if (err) { 1314 DPRINTF("setup default pipe failed err %d", err, 0, 0, 0); 1315 usbd_remove_device(dev, up); 1316 return err; 1317 } 1318 1319 /* Set the address */ 1320 DPRINTFN(5, "setting device address=%d", addr, 0, 0, 0); 1321 err = usbd_set_address(dev, addr); 1322 if (err) { 1323 DPRINTF("set address %d failed, err = %d", addr, err, 0, 0); 1324 err = USBD_SET_ADDR_FAILED; 1325 usbd_remove_device(dev, up); 1326 return err; 1327 } 1328 1329 /* Allow device time to set new address */ 1330 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1331 dev->ud_addr = addr; /* new device address now */ 1332 bus->ub_devices[addr] = dev; 1333 1334 /* Re-establish the default pipe with the new address. */ 1335 usbd_kill_pipe(dev->ud_pipe0); 1336 err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, 1337 &dev->ud_pipe0, USBD_MPSAFE); 1338 if (err) { 1339 DPRINTF("setup default pipe failed, err = %d", err, 0, 0, 0); 1340 usbd_remove_device(dev, up); 1341 return err; 1342 } 1343 1344 err = usbd_reload_device_desc(dev); 1345 if (err) { 1346 DPRINTF("addr=%d, getting full desc failed, err = %d", addr, 1347 err, 0, 0); 1348 usbd_remove_device(dev, up); 1349 return err; 1350 } 1351 1352 /* Assume 100mA bus powered for now. Changed when configured. */ 1353 dev->ud_power = USB_MIN_POWER; 1354 dev->ud_selfpowered = 0; 1355 1356 DPRINTF("new dev (addr %d), dev=%p, parent=%p", addr, dev, parent, 0); 1357 1358 usbd_get_device_strings(dev); 1359 1360 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1361 1362 if (port == 0) { /* root hub */ 1363 KASSERT(addr == 1); 1364 usbd_attach_roothub(parent, dev); 1365 return USBD_NORMAL_COMPLETION; 1366 } 1367 1368 err = usbd_probe_and_attach(parent, dev, port, addr); 1369 if (err) { 1370 usbd_remove_device(dev, up); 1371 return err; 1372 } 1373 1374 return USBD_NORMAL_COMPLETION; 1375 } 1376 1377 usbd_status 1378 usbd_reload_device_desc(struct usbd_device *dev) 1379 { 1380 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1381 usb_device_descriptor_t *udd = &dev->ud_ddesc; 1382 usbd_status err; 1383 1384 /* Get the full device descriptor. */ 1385 err = usbd_get_device_desc(dev, udd); 1386 if (err) 1387 return err; 1388 1389 DPRINTFN(15, "bLength %5u", udd->bLength, 0, 0, 0); 1390 DPRINTFN(15, "bDescriptorType %5u", udd->bDescriptorType, 0, 0, 0); 1391 DPRINTFN(15, "bcdUSB %2x.%02x", udd->bcdUSB[1], 1392 udd->bcdUSB[0], 0, 0); 1393 DPRINTFN(15, "bDeviceClass %5u", udd->bDeviceClass, 0, 0, 0); 1394 DPRINTFN(15, "bDeviceSubClass %5u", udd->bDeviceSubClass, 0, 0, 0); 1395 DPRINTFN(15, "bDeviceProtocol %5u", udd->bDeviceProtocol, 0, 0, 0); 1396 DPRINTFN(15, "bMaxPacketSize0 %5u", udd->bMaxPacketSize, 0, 0, 0); 1397 DPRINTFN(15, "idVendor 0x%04x", udd->idVendor, 0, 0, 0); 1398 DPRINTFN(15, "idProduct 0x%04x", udd->idProduct, 0, 0, 0); 1399 DPRINTFN(15, "bcdDevice %2x.%02x", udd->bcdDevice[1], 1400 udd->bcdDevice[0], 0, 0); 1401 DPRINTFN(15, "iManufacturer %5u", udd->iManufacturer, 0, 0, 0); 1402 DPRINTFN(15, "iProduct %5u", udd->iProduct, 0, 0, 0); 1403 DPRINTFN(15, "iSerial %5u", udd->iSerialNumber, 0, 0, 0); 1404 DPRINTFN(15, "bNumConfigurations %5u", udd->bNumConfigurations, 0, 0, 1405 0); 1406 1407 /* Figure out what's wrong with this device. */ 1408 dev->ud_quirks = usbd_find_quirk(udd); 1409 1410 return USBD_NORMAL_COMPLETION; 1411 } 1412 1413 void 1414 usbd_remove_device(struct usbd_device *dev, struct usbd_port *up) 1415 { 1416 1417 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1418 1419 DPRINTF("dev %p up %p", dev, up, 0, 0); 1420 1421 if (dev->ud_pipe0 != NULL) 1422 usbd_kill_pipe(dev->ud_pipe0); 1423 up->up_dev = NULL; 1424 dev->ud_bus->ub_devices[dev->ud_addr] = NULL; 1425 1426 kmem_free(dev, sizeof(*dev)); 1427 } 1428 1429 int 1430 usbd_print(void *aux, const char *pnp) 1431 { 1432 struct usb_attach_arg *uaa = aux; 1433 1434 if (pnp) { 1435 #define USB_DEVINFO 1024 1436 char *devinfo; 1437 if (!uaa->uaa_usegeneric) 1438 return QUIET; 1439 devinfo = kmem_alloc(USB_DEVINFO, KM_SLEEP); 1440 usbd_devinfo(uaa->uaa_device, 1, devinfo, USB_DEVINFO); 1441 aprint_normal("%s, %s", devinfo, pnp); 1442 kmem_free(devinfo, USB_DEVINFO); 1443 } 1444 aprint_normal(" port %d", uaa->uaa_port); 1445 #if 0 1446 /* 1447 * It gets very crowded with these locators on the attach line. 1448 * They are not really needed since they are printed in the clear 1449 * by each driver. 1450 */ 1451 if (uaa->uaa_vendor != UHUB_UNK_VENDOR) 1452 aprint_normal(" vendor 0x%04x", uaa->uaa_vendor); 1453 if (uaa->uaa_product != UHUB_UNK_PRODUCT) 1454 aprint_normal(" product 0x%04x", uaa->uaa_product); 1455 if (uaa->uaa_release != UHUB_UNK_RELEASE) 1456 aprint_normal(" release 0x%04x", uaa->uaa_release); 1457 #endif 1458 return UNCONF; 1459 } 1460 1461 int 1462 usbd_ifprint(void *aux, const char *pnp) 1463 { 1464 struct usbif_attach_arg *uiaa = aux; 1465 1466 if (pnp) 1467 return QUIET; 1468 aprint_normal(" port %d", uiaa->uiaa_port); 1469 aprint_normal(" configuration %d", uiaa->uiaa_configno); 1470 aprint_normal(" interface %d", uiaa->uiaa_ifaceno); 1471 #if 0 1472 /* 1473 * It gets very crowded with these locators on the attach line. 1474 * They are not really needed since they are printed in the clear 1475 * by each driver. 1476 */ 1477 if (uaa->uaa_vendor != UHUB_UNK_VENDOR) 1478 aprint_normal(" vendor 0x%04x", uaa->uaa_vendor); 1479 if (uaa->uaa_product != UHUB_UNK_PRODUCT) 1480 aprint_normal(" product 0x%04x", uaa->uaa_product); 1481 if (uaa->uaa_release != UHUB_UNK_RELEASE) 1482 aprint_normal(" release 0x%04x", uaa->uaa_release); 1483 #endif 1484 return UNCONF; 1485 } 1486 1487 void 1488 usbd_fill_deviceinfo(struct usbd_device *dev, struct usb_device_info *di, 1489 int usedev) 1490 { 1491 struct usbd_port *p; 1492 int i, j, err, s; 1493 1494 di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); 1495 di->udi_addr = dev->ud_addr; 1496 di->udi_cookie = dev->ud_cookie; 1497 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1498 di->udi_product, sizeof(di->udi_product), usedev, 1); 1499 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1500 UGETW(dev->ud_ddesc.bcdDevice)); 1501 if (usedev) { 1502 usbd_status uerr = usbd_get_string(dev, 1503 dev->ud_ddesc.iSerialNumber, di->udi_serial); 1504 if (uerr != USBD_NORMAL_COMPLETION) { 1505 di->udi_serial[0] = '\0'; 1506 } else { 1507 usbd_trim_spaces(di->udi_serial); 1508 } 1509 } else { 1510 di->udi_serial[0] = '\0'; 1511 if (dev->ud_serial) { 1512 strlcpy(di->udi_serial, dev->ud_serial, 1513 sizeof(di->udi_serial)); 1514 } 1515 } 1516 1517 di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); 1518 di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); 1519 di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); 1520 di->udi_class = dev->ud_ddesc.bDeviceClass; 1521 di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; 1522 di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; 1523 di->udi_config = dev->ud_config; 1524 di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; 1525 di->udi_speed = dev->ud_speed; 1526 1527 if (dev->ud_subdevlen > 0) { 1528 for (i = 0, j = 0; i < dev->ud_subdevlen && 1529 j < USB_MAX_DEVNAMES; i++) { 1530 if (!dev->ud_subdevs[i]) 1531 continue; 1532 strncpy(di->udi_devnames[j], 1533 device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); 1534 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1535 j++; 1536 } 1537 } else { 1538 j = 0; 1539 } 1540 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1541 di->udi_devnames[j][0] = 0; /* empty */ 1542 1543 if (dev->ud_hub) { 1544 for (i = 0; 1545 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1546 i < dev->ud_hub->uh_hubdesc.bNbrPorts; 1547 i++) { 1548 p = &dev->ud_hub->uh_ports[i]; 1549 if (p->up_dev) 1550 err = p->up_dev->ud_addr; 1551 else { 1552 s = UGETW(p->up_status.wPortStatus); 1553 if (s & UPS_PORT_ENABLED) 1554 err = USB_PORT_ENABLED; 1555 else if (s & UPS_SUSPEND) 1556 err = USB_PORT_SUSPENDED; 1557 /* 1558 * Note: UPS_PORT_POWER_SS is available only 1559 * on 3.x, and UPS_PORT_POWER is available 1560 * only on 2.0 or 1.1. 1561 */ 1562 else if (USB_IS_SS(dev->ud_speed) && 1563 (s & UPS_PORT_POWER_SS)) 1564 err = USB_PORT_POWERED; 1565 else if (s & UPS_PORT_POWER) 1566 err = USB_PORT_POWERED; 1567 else 1568 err = USB_PORT_DISABLED; 1569 } 1570 di->udi_ports[i] = err; 1571 } 1572 di->udi_nports = dev->ud_hub->uh_hubdesc.bNbrPorts; 1573 } else 1574 di->udi_nports = 0; 1575 } 1576 1577 #ifdef COMPAT_30 1578 void 1579 usbd_fill_deviceinfo_old(struct usbd_device *dev, struct usb_device_info_old *di, 1580 int usedev) 1581 { 1582 struct usbd_port *p; 1583 int i, j, err, s; 1584 1585 di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); 1586 di->udi_addr = dev->ud_addr; 1587 di->udi_cookie = dev->ud_cookie; 1588 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1589 di->udi_product, sizeof(di->udi_product), usedev, 0); 1590 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1591 UGETW(dev->ud_ddesc.bcdDevice)); 1592 di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); 1593 di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); 1594 di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); 1595 di->udi_class = dev->ud_ddesc.bDeviceClass; 1596 di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; 1597 di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; 1598 di->udi_config = dev->ud_config; 1599 di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; 1600 di->udi_speed = dev->ud_speed; 1601 1602 if (dev->ud_subdevlen > 0) { 1603 for (i = 0, j = 0; i < dev->ud_subdevlen && 1604 j < USB_MAX_DEVNAMES; i++) { 1605 if (!dev->ud_subdevs[i]) 1606 continue; 1607 strncpy(di->udi_devnames[j], 1608 device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); 1609 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1610 j++; 1611 } 1612 } else { 1613 j = 0; 1614 } 1615 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1616 di->udi_devnames[j][0] = 0; /* empty */ 1617 1618 if (dev->ud_hub) { 1619 for (i = 0; 1620 i < sizeof(di->udi_ports) / sizeof(di->udi_ports[0]) && 1621 i < dev->ud_hub->uh_hubdesc.bNbrPorts; 1622 i++) { 1623 p = &dev->ud_hub->uh_ports[i]; 1624 if (p->up_dev) 1625 err = p->up_dev->ud_addr; 1626 else { 1627 s = UGETW(p->up_status.wPortStatus); 1628 if (s & UPS_PORT_ENABLED) 1629 err = USB_PORT_ENABLED; 1630 else if (s & UPS_SUSPEND) 1631 err = USB_PORT_SUSPENDED; 1632 else if (s & UPS_PORT_POWER) 1633 err = USB_PORT_POWERED; 1634 else 1635 err = USB_PORT_DISABLED; 1636 } 1637 di->udi_ports[i] = err; 1638 } 1639 di->udi_nports = dev->ud_hub->uh_hubdesc.bNbrPorts; 1640 } else 1641 di->udi_nports = 0; 1642 } 1643 #endif 1644 1645 1646 void 1647 usb_free_device(struct usbd_device *dev) 1648 { 1649 int ifcidx, nifc; 1650 1651 if (dev->ud_pipe0 != NULL) 1652 usbd_kill_pipe(dev->ud_pipe0); 1653 if (dev->ud_ifaces != NULL) { 1654 nifc = dev->ud_cdesc->bNumInterface; 1655 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1656 usbd_free_iface_data(dev, ifcidx); 1657 kmem_free(dev->ud_ifaces, 1658 nifc * sizeof(struct usbd_interface)); 1659 } 1660 if (dev->ud_cdesc != NULL) 1661 kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); 1662 if (dev->ud_bdesc != NULL) 1663 kmem_free(dev->ud_bdesc, UGETW(dev->ud_bdesc->wTotalLength)); 1664 if (dev->ud_subdevlen > 0) { 1665 kmem_free(dev->ud_subdevs, 1666 dev->ud_subdevlen * sizeof(device_t)); 1667 dev->ud_subdevlen = 0; 1668 } 1669 if (dev->ud_vendor) { 1670 kmem_free(dev->ud_vendor, USB_MAX_ENCODED_STRING_LEN); 1671 } 1672 if (dev->ud_product) { 1673 kmem_free(dev->ud_product, USB_MAX_ENCODED_STRING_LEN); 1674 } 1675 if (dev->ud_serial) { 1676 kmem_free(dev->ud_serial, USB_MAX_ENCODED_STRING_LEN); 1677 } 1678 kmem_free(dev, sizeof(*dev)); 1679 } 1680 1681 /* 1682 * The general mechanism for detaching drivers works as follows: Each 1683 * driver is responsible for maintaining a reference count on the 1684 * number of outstanding references to its softc (e.g. from 1685 * processing hanging in a read or write). The detach method of the 1686 * driver decrements this counter and flags in the softc that the 1687 * driver is dying and then wakes any sleepers. It then sleeps on the 1688 * softc. Each place that can sleep must maintain the reference 1689 * count. When the reference count drops to -1 (0 is the normal value 1690 * of the reference count) the a wakeup on the softc is performed 1691 * signaling to the detach waiter that all references are gone. 1692 */ 1693 1694 /* 1695 * Called from process context when we discover that a port has 1696 * been disconnected. 1697 */ 1698 int 1699 usb_disconnect_port(struct usbd_port *up, device_t parent, int flags) 1700 { 1701 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1702 struct usbd_device *dev = up->up_dev; 1703 device_t subdev; 1704 char subdevname[16]; 1705 const char *hubname = device_xname(parent); 1706 int i, rc; 1707 1708 DPRINTFN(3, "up=%p dev=%p port=%d", up, dev, up->up_portno, 0); 1709 1710 if (dev == NULL) { 1711 return 0; 1712 } 1713 1714 if (dev->ud_subdevlen > 0) { 1715 DPRINTFN(3, "disconnect subdevs", 0, 0, 0, 0); 1716 for (i = 0; i < dev->ud_subdevlen; i++) { 1717 if ((subdev = dev->ud_subdevs[i]) == NULL) 1718 continue; 1719 strlcpy(subdevname, device_xname(subdev), 1720 sizeof(subdevname)); 1721 if ((rc = config_detach(subdev, flags)) != 0) 1722 return rc; 1723 printf("%s: at %s", subdevname, hubname); 1724 if (up->up_portno != 0) 1725 printf(" port %d", up->up_portno); 1726 printf(" (addr %d) disconnected\n", dev->ud_addr); 1727 } 1728 KASSERT(!dev->ud_nifaces_claimed); 1729 } 1730 1731 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1732 dev->ud_bus->ub_devices[dev->ud_addr] = NULL; 1733 up->up_dev = NULL; 1734 usb_free_device(dev); 1735 return 0; 1736 } 1737