1 /* $NetBSD: usb_subr.c,v 1.219 2017/03/14 19:40:42 christos 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 1.219 2017/03/14 19:40:42 christos 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 (%#04x) %s (%#04x)", vendor, 253 UGETW(udd->idVendor), product, UGETW(udd->idProduct)); 254 if (showclass) 255 cp += snprintf(cp, ep - cp, ", class %d/%d", 256 udd->bDeviceClass, udd->bDeviceSubClass); 257 bcdUSB = UGETW(udd->bcdUSB); 258 bcdDevice = UGETW(udd->bcdDevice); 259 cp += snprintf(cp, ep - cp, ", rev "); 260 cp += usbd_printBCD(cp, ep - cp, bcdUSB); 261 *cp++ = '/'; 262 cp += usbd_printBCD(cp, ep - cp, bcdDevice); 263 cp += snprintf(cp, ep - cp, ", addr %d", dev->ud_addr); 264 *cp = 0; 265 kmem_free(vendor, USB_MAX_ENCODED_STRING_LEN * 2); 266 } 267 268 char * 269 usbd_devinfo_alloc(struct usbd_device *dev, int showclass) 270 { 271 char *devinfop; 272 273 devinfop = kmem_alloc(DEVINFOSIZE, KM_SLEEP); 274 usbd_devinfo(dev, showclass, devinfop, DEVINFOSIZE); 275 return devinfop; 276 } 277 278 void 279 usbd_devinfo_free(char *devinfop) 280 { 281 kmem_free(devinfop, DEVINFOSIZE); 282 } 283 284 /* Delay for a certain number of ms */ 285 void 286 usb_delay_ms_locked(struct usbd_bus *bus, u_int ms, kmutex_t *lock) 287 { 288 /* Wait at least two clock ticks so we know the time has passed. */ 289 if (bus->ub_usepolling || cold) 290 delay((ms+1) * 1000); 291 else 292 kpause("usbdly", false, (ms*hz+999)/1000 + 1, lock); 293 } 294 295 void 296 usb_delay_ms(struct usbd_bus *bus, u_int ms) 297 { 298 usb_delay_ms_locked(bus, ms, NULL); 299 } 300 301 /* Delay given a device handle. */ 302 void 303 usbd_delay_ms_locked(struct usbd_device *dev, u_int ms, kmutex_t *lock) 304 { 305 usb_delay_ms_locked(dev->ud_bus, ms, lock); 306 } 307 308 /* Delay given a device handle. */ 309 void 310 usbd_delay_ms(struct usbd_device *dev, u_int ms) 311 { 312 usb_delay_ms_locked(dev->ud_bus, ms, NULL); 313 } 314 315 usbd_status 316 usbd_reset_port(struct usbd_device *dev, int port, usb_port_status_t *ps) 317 { 318 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 319 usb_device_request_t req; 320 usbd_status err; 321 int n; 322 323 req.bmRequestType = UT_WRITE_CLASS_OTHER; 324 req.bRequest = UR_SET_FEATURE; 325 USETW(req.wValue, UHF_PORT_RESET); 326 USETW(req.wIndex, port); 327 USETW(req.wLength, 0); 328 err = usbd_do_request(dev, &req, 0); 329 DPRINTFN(1, "port %d reset done, error=%d", port, err, 0, 0); 330 if (err) 331 return err; 332 n = 10; 333 do { 334 /* Wait for device to recover from reset. */ 335 usbd_delay_ms(dev, USB_PORT_RESET_DELAY); 336 err = usbd_get_port_status(dev, port, ps); 337 if (err) { 338 DPRINTF("get status failed %d", err, 0, 0, 0); 339 return err; 340 } 341 /* If the device disappeared, just give up. */ 342 if (!(UGETW(ps->wPortStatus) & UPS_CURRENT_CONNECT_STATUS)) 343 return USBD_NORMAL_COMPLETION; 344 } while ((UGETW(ps->wPortChange) & UPS_C_PORT_RESET) == 0 && --n > 0); 345 if (n == 0) 346 return USBD_TIMEOUT; 347 err = usbd_clear_port_feature(dev, port, UHF_C_PORT_RESET); 348 #ifdef USB_DEBUG 349 if (err) 350 DPRINTF("clear port feature failed %d", err, 0, 0, 0); 351 #endif 352 353 /* Wait for the device to recover from reset. */ 354 usbd_delay_ms(dev, USB_PORT_RESET_RECOVERY); 355 return err; 356 } 357 358 usb_interface_descriptor_t * 359 usbd_find_idesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx) 360 { 361 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 362 char *p = (char *)cd; 363 char *end = p + UGETW(cd->wTotalLength); 364 usb_interface_descriptor_t *d; 365 int curidx, lastidx, curaidx = 0; 366 367 for (curidx = lastidx = -1; p < end; ) { 368 d = (usb_interface_descriptor_t *)p; 369 DPRINTFN(4, "idx=%d(%d) altidx=%d(%d)", ifaceidx, curidx, 370 altidx, curaidx); 371 DPRINTFN(4, "len=%d type=%d", d->bLength, d->bDescriptorType, 372 0, 0); 373 if (d->bLength == 0) /* bad descriptor */ 374 break; 375 p += d->bLength; 376 if (p <= end && d->bDescriptorType == UDESC_INTERFACE) { 377 if (d->bInterfaceNumber != lastidx) { 378 lastidx = d->bInterfaceNumber; 379 curidx++; 380 curaidx = 0; 381 } else 382 curaidx++; 383 if (ifaceidx == curidx && altidx == curaidx) 384 return d; 385 } 386 } 387 return NULL; 388 } 389 390 usb_endpoint_descriptor_t * 391 usbd_find_edesc(usb_config_descriptor_t *cd, int ifaceidx, int altidx, 392 int endptidx) 393 { 394 char *p = (char *)cd; 395 char *end = p + UGETW(cd->wTotalLength); 396 usb_interface_descriptor_t *d; 397 usb_endpoint_descriptor_t *e; 398 int curidx; 399 400 d = usbd_find_idesc(cd, ifaceidx, altidx); 401 if (d == NULL) 402 return NULL; 403 if (endptidx >= d->bNumEndpoints) /* quick exit */ 404 return NULL; 405 406 curidx = -1; 407 for (p = (char *)d + d->bLength; p < end; ) { 408 e = (usb_endpoint_descriptor_t *)p; 409 if (e->bLength == 0) /* bad descriptor */ 410 break; 411 p += e->bLength; 412 if (p <= end && e->bDescriptorType == UDESC_INTERFACE) 413 return NULL; 414 if (p <= end && e->bDescriptorType == UDESC_ENDPOINT) { 415 curidx++; 416 if (curidx == endptidx) 417 return e; 418 } 419 } 420 return NULL; 421 } 422 423 usbd_status 424 usbd_fill_iface_data(struct usbd_device *dev, int ifaceidx, int altidx) 425 { 426 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 427 struct usbd_interface *ifc = &dev->ud_ifaces[ifaceidx]; 428 usb_interface_descriptor_t *idesc; 429 char *p, *end; 430 int endpt, nendpt; 431 432 DPRINTFN(4, "ifaceidx=%d altidx=%d", ifaceidx, altidx, 0, 0); 433 idesc = usbd_find_idesc(dev->ud_cdesc, ifaceidx, altidx); 434 if (idesc == NULL) 435 return USBD_INVAL; 436 ifc->ui_dev = dev; 437 ifc->ui_idesc = idesc; 438 ifc->ui_index = ifaceidx; 439 ifc->ui_altindex = altidx; 440 nendpt = ifc->ui_idesc->bNumEndpoints; 441 DPRINTFN(4, "found idesc nendpt=%d", nendpt, 0, 0, 0); 442 if (nendpt != 0) { 443 ifc->ui_endpoints = kmem_alloc(nendpt * sizeof(struct usbd_endpoint), 444 KM_SLEEP); 445 if (ifc->ui_endpoints == NULL) 446 return USBD_NOMEM; 447 } else 448 ifc->ui_endpoints = NULL; 449 ifc->ui_priv = NULL; 450 p = (char *)ifc->ui_idesc + ifc->ui_idesc->bLength; 451 end = (char *)dev->ud_cdesc + UGETW(dev->ud_cdesc->wTotalLength); 452 #define ed ((usb_endpoint_descriptor_t *)p) 453 for (endpt = 0; endpt < nendpt; endpt++) { 454 DPRINTFN(10, "endpt=%d", endpt, 0, 0, 0); 455 for (; p < end; p += ed->bLength) { 456 DPRINTFN(10, "p=%p end=%p len=%d type=%d", 457 p, end, ed->bLength, ed->bDescriptorType); 458 if (p + ed->bLength <= end && ed->bLength != 0 && 459 ed->bDescriptorType == UDESC_ENDPOINT) 460 goto found; 461 if (ed->bLength == 0 || 462 ed->bDescriptorType == UDESC_INTERFACE) 463 break; 464 } 465 /* passed end, or bad desc */ 466 printf("usbd_fill_iface_data: bad descriptor(s): %s\n", 467 ed->bLength == 0 ? "0 length" : 468 ed->bDescriptorType == UDESC_INTERFACE ? "iface desc": 469 "out of data"); 470 goto bad; 471 found: 472 ifc->ui_endpoints[endpt].ue_edesc = ed; 473 if (dev->ud_speed == USB_SPEED_HIGH) { 474 u_int mps; 475 /* Control and bulk endpoints have max packet limits. */ 476 switch (UE_GET_XFERTYPE(ed->bmAttributes)) { 477 case UE_CONTROL: 478 mps = USB_2_MAX_CTRL_PACKET; 479 goto check; 480 case UE_BULK: 481 mps = USB_2_MAX_BULK_PACKET; 482 check: 483 if (UGETW(ed->wMaxPacketSize) != mps) { 484 USETW(ed->wMaxPacketSize, mps); 485 #ifdef DIAGNOSTIC 486 printf("usbd_fill_iface_data: bad max " 487 "packet size\n"); 488 #endif 489 } 490 break; 491 default: 492 break; 493 } 494 } 495 ifc->ui_endpoints[endpt].ue_refcnt = 0; 496 ifc->ui_endpoints[endpt].ue_toggle = 0; 497 p += ed->bLength; 498 } 499 #undef ed 500 LIST_INIT(&ifc->ui_pipes); 501 return USBD_NORMAL_COMPLETION; 502 503 bad: 504 if (ifc->ui_endpoints != NULL) { 505 kmem_free(ifc->ui_endpoints, nendpt * sizeof(struct usbd_endpoint)); 506 ifc->ui_endpoints = NULL; 507 } 508 return USBD_INVAL; 509 } 510 511 void 512 usbd_free_iface_data(struct usbd_device *dev, int ifcno) 513 { 514 struct usbd_interface *ifc = &dev->ud_ifaces[ifcno]; 515 if (ifc->ui_endpoints) { 516 int nendpt = ifc->ui_idesc->bNumEndpoints; 517 size_t sz = nendpt * sizeof(struct usbd_endpoint); 518 kmem_free(ifc->ui_endpoints, sz); 519 } 520 } 521 522 Static usbd_status 523 usbd_set_config(struct usbd_device *dev, int conf) 524 { 525 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 526 usb_device_request_t req; 527 528 DPRINTFN(5, "dev %p conf %d", dev, conf, 0, 0); 529 530 req.bmRequestType = UT_WRITE_DEVICE; 531 req.bRequest = UR_SET_CONFIG; 532 USETW(req.wValue, conf); 533 USETW(req.wIndex, 0); 534 USETW(req.wLength, 0); 535 return usbd_do_request(dev, &req, 0); 536 } 537 538 usbd_status 539 usbd_set_config_no(struct usbd_device *dev, int no, int msg) 540 { 541 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 542 usb_config_descriptor_t cd; 543 usbd_status err; 544 int index; 545 546 if (no == USB_UNCONFIG_NO) 547 return usbd_set_config_index(dev, USB_UNCONFIG_INDEX, msg); 548 549 DPRINTFN(5, "%d", no, 0, 0, 0); 550 /* Figure out what config index to use. */ 551 for (index = 0; index < dev->ud_ddesc.bNumConfigurations; index++) { 552 err = usbd_get_config_desc(dev, index, &cd); 553 if (err) 554 return err; 555 if (cd.bConfigurationValue == no) 556 return usbd_set_config_index(dev, index, msg); 557 } 558 return USBD_INVAL; 559 } 560 561 usbd_status 562 usbd_set_config_index(struct usbd_device *dev, int index, int msg) 563 { 564 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 565 usb_config_descriptor_t cd, *cdp; 566 usb_bos_descriptor_t *bdp = NULL; 567 usbd_status err; 568 int i, ifcidx, nifc, len, selfpowered, power; 569 570 DPRINTFN(5, "dev=%p index=%d", dev, index, 0, 0); 571 572 if (index >= dev->ud_ddesc.bNumConfigurations && 573 index != USB_UNCONFIG_INDEX) { 574 /* panic? */ 575 printf("usbd_set_config_index: illegal index\n"); 576 return USBD_INVAL; 577 } 578 579 /* XXX check that all interfaces are idle */ 580 if (dev->ud_config != USB_UNCONFIG_NO) { 581 DPRINTF("free old config", 0, 0, 0, 0); 582 /* Free all configuration data structures. */ 583 nifc = dev->ud_cdesc->bNumInterface; 584 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 585 usbd_free_iface_data(dev, ifcidx); 586 kmem_free(dev->ud_ifaces, nifc * sizeof(struct usbd_interface)); 587 kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); 588 if (dev->ud_bdesc != NULL) 589 kmem_free(dev->ud_bdesc, 590 UGETW(dev->ud_bdesc->wTotalLength)); 591 dev->ud_ifaces = NULL; 592 dev->ud_cdesc = NULL; 593 dev->ud_bdesc = NULL; 594 dev->ud_config = USB_UNCONFIG_NO; 595 } 596 597 if (index == USB_UNCONFIG_INDEX) { 598 /* We are unconfiguring the device, so leave unallocated. */ 599 DPRINTF("set config 0", 0, 0, 0, 0); 600 err = usbd_set_config(dev, USB_UNCONFIG_NO); 601 if (err) { 602 DPRINTF("setting config=0 failed, err = %d", err, 603 0, 0, 0); 604 } 605 return err; 606 } 607 608 /* Get the short descriptor. */ 609 err = usbd_get_config_desc(dev, index, &cd); 610 if (err) { 611 DPRINTF("get_config_desc=%d", err, 0, 0, 0); 612 return err; 613 } 614 len = UGETW(cd.wTotalLength); 615 cdp = kmem_alloc(len, KM_SLEEP); 616 if (cdp == NULL) 617 return USBD_NOMEM; 618 619 /* Get the full descriptor. Try a few times for slow devices. */ 620 for (i = 0; i < 3; i++) { 621 err = usbd_get_desc(dev, UDESC_CONFIG, index, len, cdp); 622 if (!err) 623 break; 624 usbd_delay_ms(dev, 200); 625 } 626 if (err) { 627 DPRINTF("get_desc=%d", err, 0, 0, 0); 628 goto bad; 629 } 630 if (cdp->bDescriptorType != UDESC_CONFIG) { 631 DPRINTF("bad desc %d", cdp->bDescriptorType, 0, 0, 0); 632 err = USBD_INVAL; 633 goto bad; 634 } 635 636 if (USB_IS_SS(dev->ud_speed)) { 637 usb_bos_descriptor_t bd; 638 639 /* get short bos desc */ 640 err = usbd_get_bos_desc(dev, index, &bd); 641 if (!err) { 642 int blen = UGETW(bd.wTotalLength); 643 bdp = kmem_alloc(blen, KM_SLEEP); 644 if (bdp == NULL) { 645 err = USBD_NOMEM; 646 goto bad; 647 } 648 649 /* Get the full desc */ 650 for (i = 0; i < 3; i++) { 651 err = usbd_get_desc(dev, UDESC_BOS, index, blen, 652 bdp); 653 if (!err) 654 break; 655 usbd_delay_ms(dev, 200); 656 } 657 if (err || bdp->bDescriptorType != UDESC_BOS) { 658 DPRINTF("error %d or bad desc %d", err, 659 bdp->bDescriptorType, 0, 0); 660 kmem_free(bdp, blen); 661 bdp = NULL; 662 } 663 } 664 } 665 dev->ud_bdesc = bdp; 666 667 /* 668 * Figure out if the device is self or bus powered. 669 */ 670 #if 0 /* XXX various devices don't report the power state correctly */ 671 selfpowered = 0; 672 err = usbd_get_device_status(dev, &ds); 673 if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) 674 selfpowered = 1; 675 #endif 676 /* 677 * Use the power state in the configuration we are going 678 * to set. This doesn't necessarily reflect the actual 679 * power state of the device; the driver can control this 680 * by choosing the appropriate configuration. 681 */ 682 selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); 683 684 DPRINTF("addr %d cno=%d attr=%#02x, selfpowered=%d", 685 dev->ud_addr, cdp->bConfigurationValue, cdp->bmAttributes, 686 selfpowered); 687 DPRINTF("max power=%d", cdp->bMaxPower * 2, 0, 0, 0); 688 689 /* Check if we have enough power. */ 690 #if 0 /* this is a no-op, see above */ 691 if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { 692 if (msg) 693 printf("%s: device addr %d (config %d): " 694 "can't set self powered configuration\n", 695 device_xname(dev->ud_bus->bdev), dev->ud_addr, 696 cdp->bConfigurationValue); 697 err = USBD_NO_POWER; 698 goto bad; 699 } 700 #endif 701 #ifdef USB_DEBUG 702 if (dev->ud_powersrc == NULL) { 703 DPRINTF("No power source?", 0, 0, 0, 0); 704 err = USBD_IOERROR; 705 goto bad; 706 } 707 #endif 708 power = cdp->bMaxPower * 2; 709 if (power > dev->ud_powersrc->up_power) { 710 DPRINTF("power exceeded %d %d", power, dev->ud_powersrc->up_power, 711 0, 0); 712 /* XXX print nicer message. */ 713 if (msg) 714 printf("%s: device addr %d (config %d) exceeds power " 715 "budget, %d mA > %d mA\n", 716 device_xname(dev->ud_bus->ub_usbctl), dev->ud_addr, 717 cdp->bConfigurationValue, 718 power, dev->ud_powersrc->up_power); 719 err = USBD_NO_POWER; 720 goto bad; 721 } 722 dev->ud_power = power; 723 dev->ud_selfpowered = selfpowered; 724 725 /* Set the actual configuration value. */ 726 DPRINTF("set config %d", cdp->bConfigurationValue, 0, 0, 0); 727 err = usbd_set_config(dev, cdp->bConfigurationValue); 728 if (err) { 729 DPRINTF("setting config=%d failed, error=%d", 730 cdp->bConfigurationValue, err, 0, 0); 731 goto bad; 732 } 733 734 /* Allocate and fill interface data. */ 735 nifc = cdp->bNumInterface; 736 dev->ud_ifaces = kmem_alloc(nifc * sizeof(struct usbd_interface), 737 KM_SLEEP); 738 if (dev->ud_ifaces == NULL) { 739 err = USBD_NOMEM; 740 goto bad; 741 } 742 DPRINTFN(5, "dev=%p cdesc=%p", dev, cdp, 0, 0); 743 dev->ud_cdesc = cdp; 744 dev->ud_config = cdp->bConfigurationValue; 745 for (ifcidx = 0; ifcidx < nifc; ifcidx++) { 746 err = usbd_fill_iface_data(dev, ifcidx, 0); 747 if (err) { 748 while (--ifcidx >= 0) 749 usbd_free_iface_data(dev, ifcidx); 750 goto bad; 751 } 752 } 753 754 return USBD_NORMAL_COMPLETION; 755 756 bad: 757 kmem_free(cdp, len); 758 if (bdp != NULL) { 759 kmem_free(bdp, UGETW(bdp->wTotalLength)); 760 dev->ud_bdesc = NULL; 761 } 762 return err; 763 } 764 765 /* XXX add function for alternate settings */ 766 767 usbd_status 768 usbd_setup_pipe(struct usbd_device *dev, struct usbd_interface *iface, 769 struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe) 770 { 771 return usbd_setup_pipe_flags(dev, iface, ep, ival, pipe, 0); 772 } 773 774 usbd_status 775 usbd_setup_pipe_flags(struct usbd_device *dev, struct usbd_interface *iface, 776 struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe, uint8_t flags) 777 { 778 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 779 struct usbd_pipe *p; 780 usbd_status err; 781 782 p = kmem_alloc(dev->ud_bus->ub_pipesize, KM_SLEEP); 783 DPRINTFN(1, "dev=%p addr=%d iface=%p ep=%p pipe=%p", dev, dev->ud_addr, iface, ep); 784 if (p == NULL) { 785 DPRINTFN(1, "(nomem)", 0, 0, 0, 0); 786 return USBD_NOMEM; 787 } 788 p->up_dev = dev; 789 p->up_iface = iface; 790 p->up_endpoint = ep; 791 ep->ue_refcnt++; 792 p->up_intrxfer = NULL; 793 p->up_running = 0; 794 p->up_aborting = 0; 795 p->up_serialise = true; 796 p->up_repeat = 0; 797 p->up_interval = ival; 798 p->up_flags = flags; 799 p->up_serialise = true; 800 SIMPLEQ_INIT(&p->up_queue); 801 err = dev->ud_bus->ub_methods->ubm_open(p); 802 if (err) { 803 DPRINTF("endpoint=%#x failed, error=%d", 804 ep->ue_edesc->bEndpointAddress, err, 0, 0); 805 kmem_free(p, dev->ud_bus->ub_pipesize); 806 return err; 807 } 808 809 KASSERT(p->up_methods->upm_start || p->up_serialise == false); 810 811 usb_init_task(&p->up_async_task, usbd_clear_endpoint_stall_task, p, 812 USB_TASKQ_MPSAFE); 813 DPRINTFN(1, "pipe=%p", p, 0, 0, 0); 814 *pipe = p; 815 return USBD_NORMAL_COMPLETION; 816 } 817 818 /* Abort the device control pipe. */ 819 void 820 usbd_kill_pipe(struct usbd_pipe *pipe) 821 { 822 usbd_abort_pipe(pipe); 823 usbd_lock_pipe(pipe); 824 pipe->up_methods->upm_close(pipe); 825 usbd_unlock_pipe(pipe); 826 usb_rem_task(pipe->up_dev, &pipe->up_async_task); 827 pipe->up_endpoint->ue_refcnt--; 828 kmem_free(pipe, pipe->up_dev->ud_bus->ub_pipesize); 829 } 830 831 int 832 usbd_getnewaddr(struct usbd_bus *bus) 833 { 834 int addr; 835 836 for (addr = 1; addr < USB_MAX_DEVICES; addr++) { 837 size_t dindex = usb_addr2dindex(addr); 838 if (bus->ub_devices[dindex] == NULL) 839 return addr; 840 } 841 return -1; 842 } 843 844 usbd_status 845 usbd_attach_roothub(device_t parent, struct usbd_device *dev) 846 { 847 struct usb_attach_arg uaa; 848 usb_device_descriptor_t *dd = &dev->ud_ddesc; 849 device_t dv; 850 851 uaa.uaa_device = dev; 852 uaa.uaa_usegeneric = 0; 853 uaa.uaa_port = 0; 854 uaa.uaa_vendor = UGETW(dd->idVendor); 855 uaa.uaa_product = UGETW(dd->idProduct); 856 uaa.uaa_release = UGETW(dd->bcdDevice); 857 uaa.uaa_class = dd->bDeviceClass; 858 uaa.uaa_subclass = dd->bDeviceSubClass; 859 uaa.uaa_proto = dd->bDeviceProtocol; 860 861 dv = config_found_ia(parent, "usbroothubif", &uaa, 0); 862 if (dv) { 863 dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); 864 if (dev->ud_subdevs == NULL) 865 return USBD_NOMEM; 866 dev->ud_subdevs[0] = dv; 867 dev->ud_subdevlen = 1; 868 } 869 return USBD_NORMAL_COMPLETION; 870 } 871 872 static void 873 usbd_serialnumber(device_t dv, struct usbd_device *dev) 874 { 875 if (dev->ud_serial) { 876 prop_dictionary_set_cstring(device_properties(dv), 877 "serialnumber", dev->ud_serial); 878 } 879 } 880 881 static usbd_status 882 usbd_attachwholedevice(device_t parent, struct usbd_device *dev, int port, 883 int usegeneric) 884 { 885 struct usb_attach_arg uaa; 886 usb_device_descriptor_t *dd = &dev->ud_ddesc; 887 device_t dv; 888 int dlocs[USBDEVIFCF_NLOCS]; 889 890 uaa.uaa_device = dev; 891 uaa.uaa_usegeneric = usegeneric; 892 uaa.uaa_port = port; 893 uaa.uaa_vendor = UGETW(dd->idVendor); 894 uaa.uaa_product = UGETW(dd->idProduct); 895 uaa.uaa_release = UGETW(dd->bcdDevice); 896 uaa.uaa_class = dd->bDeviceClass; 897 uaa.uaa_subclass = dd->bDeviceSubClass; 898 uaa.uaa_proto = dd->bDeviceProtocol; 899 900 dlocs[USBDEVIFCF_PORT] = uaa.uaa_port; 901 dlocs[USBDEVIFCF_VENDOR] = uaa.uaa_vendor; 902 dlocs[USBDEVIFCF_PRODUCT] = uaa.uaa_product; 903 dlocs[USBDEVIFCF_RELEASE] = uaa.uaa_release; 904 /* the rest is historical ballast */ 905 dlocs[USBDEVIFCF_CONFIGURATION] = -1; 906 dlocs[USBDEVIFCF_INTERFACE] = -1; 907 908 KERNEL_LOCK(1, NULL); 909 dv = config_found_sm_loc(parent, "usbdevif", dlocs, &uaa, usbd_print, 910 config_stdsubmatch); 911 KERNEL_UNLOCK_ONE(NULL); 912 if (dv) { 913 dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); 914 if (dev->ud_subdevs == NULL) 915 return USBD_NOMEM; 916 dev->ud_subdevs[0] = dv; 917 dev->ud_subdevlen = 1; 918 dev->ud_nifaces_claimed = 1; /* XXX */ 919 usbd_serialnumber(dv, dev); 920 } 921 return USBD_NORMAL_COMPLETION; 922 } 923 924 static usbd_status 925 usbd_attachinterfaces(device_t parent, struct usbd_device *dev, 926 int port, const int *locators) 927 { 928 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 929 struct usbif_attach_arg uiaa; 930 int ilocs[USBIFIFCF_NLOCS]; 931 usb_device_descriptor_t *dd = &dev->ud_ddesc; 932 int nifaces; 933 struct usbd_interface **ifaces; 934 int i, j, loc; 935 device_t dv; 936 937 nifaces = dev->ud_cdesc->bNumInterface; 938 ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP); 939 if (!ifaces) 940 return USBD_NOMEM; 941 for (i = 0; i < nifaces; i++) { 942 if (!dev->ud_subdevs[i]) { 943 ifaces[i] = &dev->ud_ifaces[i]; 944 } 945 DPRINTF("interface %d %p", i, ifaces[i], 0, 0); 946 } 947 948 949 uiaa.uiaa_device = dev; 950 uiaa.uiaa_port = port; 951 uiaa.uiaa_vendor = UGETW(dd->idVendor); 952 uiaa.uiaa_product = UGETW(dd->idProduct); 953 uiaa.uiaa_release = UGETW(dd->bcdDevice); 954 uiaa.uiaa_configno = dev->ud_cdesc->bConfigurationValue; 955 uiaa.uiaa_ifaces = ifaces; 956 uiaa.uiaa_nifaces = nifaces; 957 ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port; 958 ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor; 959 ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product; 960 ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release; 961 ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno; 962 963 for (i = 0; i < nifaces; i++) { 964 if (!ifaces[i]) { 965 DPRINTF("interface %d claimed", i, 0, 0, 0); 966 continue; /* interface already claimed */ 967 } 968 uiaa.uiaa_iface = ifaces[i]; 969 uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass; 970 uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass; 971 uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol; 972 uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber; 973 974 DPRINTF("searching for interface %d...", i, 0, 0, 0); 975 DPRINTF("class %x subclass %x proto %x ifaceno %d", 976 uiaa.uiaa_class, uiaa.uiaa_subclass, uiaa.uiaa_proto, 977 uiaa.uiaa_ifaceno); 978 ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno; 979 if (locators != NULL) { 980 loc = locators[USBIFIFCF_CONFIGURATION]; 981 if (loc != USBIFIFCF_CONFIGURATION_DEFAULT && 982 loc != uiaa.uiaa_configno) 983 continue; 984 loc = locators[USBIFIFCF_INTERFACE]; 985 if (loc != USBIFIFCF_INTERFACE_DEFAULT && 986 loc != uiaa.uiaa_ifaceno) 987 continue; 988 } 989 KERNEL_LOCK(1, NULL); 990 dv = config_found_sm_loc(parent, "usbifif", ilocs, &uiaa, 991 usbd_ifprint, config_stdsubmatch); 992 KERNEL_UNLOCK_ONE(NULL); 993 if (!dv) 994 continue; 995 996 usbd_serialnumber(dv, dev); 997 998 /* claim */ 999 ifaces[i] = NULL; 1000 /* account for ifaces claimed by the driver behind our back */ 1001 for (j = 0; j < nifaces; j++) { 1002 1003 if (!ifaces[j] && !dev->ud_subdevs[j]) { 1004 DPRINTF("interface %d claimed behind our back", 1005 j, 0, 0, 0); 1006 dev->ud_subdevs[j] = dv; 1007 dev->ud_nifaces_claimed++; 1008 } 1009 } 1010 } 1011 1012 kmem_free(ifaces, nifaces * sizeof(*ifaces)); 1013 return USBD_NORMAL_COMPLETION; 1014 } 1015 1016 usbd_status 1017 usbd_probe_and_attach(device_t parent, struct usbd_device *dev, 1018 int port, int addr) 1019 { 1020 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1021 usb_device_descriptor_t *dd = &dev->ud_ddesc; 1022 int confi, nifaces; 1023 usbd_status err; 1024 1025 /* First try with device specific drivers. */ 1026 DPRINTF("trying device specific drivers", 0, 0, 0, 0); 1027 err = usbd_attachwholedevice(parent, dev, port, 0); 1028 if (dev->ud_nifaces_claimed || err) 1029 return err; 1030 DPRINTF("no device specific driver found", 0, 0, 0, 0); 1031 1032 DPRINTF("looping over %d configurations", dd->bNumConfigurations, 1033 0, 0, 0); 1034 for (confi = 0; confi < dd->bNumConfigurations; confi++) { 1035 DPRINTFN(1, "trying config idx=%d", confi, 0, 0, 0); 1036 err = usbd_set_config_index(dev, confi, 1); 1037 if (err) { 1038 DPRINTF("port %d, set config at addr %d failed, " 1039 "error=%d", port, addr, err, 0); 1040 printf("%s: port %d, set config at addr %d failed\n", 1041 device_xname(parent), port, addr); 1042 return err; 1043 } 1044 nifaces = dev->ud_cdesc->bNumInterface; 1045 dev->ud_subdevs = kmem_zalloc(nifaces * sizeof(device_t), 1046 KM_SLEEP); 1047 if (dev->ud_subdevs == NULL) 1048 return USBD_NOMEM; 1049 dev->ud_subdevlen = nifaces; 1050 1051 err = usbd_attachinterfaces(parent, dev, port, NULL); 1052 1053 if (!dev->ud_nifaces_claimed) { 1054 kmem_free(dev->ud_subdevs, 1055 dev->ud_subdevlen * sizeof(device_t)); 1056 dev->ud_subdevs = 0; 1057 dev->ud_subdevlen = 0; 1058 } 1059 if (dev->ud_nifaces_claimed || err) 1060 return err; 1061 } 1062 /* No interfaces were attached in any of the configurations. */ 1063 1064 if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ 1065 usbd_set_config_index(dev, 0, 0); 1066 1067 DPRINTF("no interface drivers found", 0, 0, 0, 0); 1068 1069 /* Finally try the generic driver. */ 1070 err = usbd_attachwholedevice(parent, dev, port, 1); 1071 1072 /* 1073 * The generic attach failed, but leave the device as it is. 1074 * We just did not find any drivers, that's all. The device is 1075 * fully operational and not harming anyone. 1076 */ 1077 DPRINTF("generic attach failed", 0, 0, 0, 0); 1078 1079 return USBD_NORMAL_COMPLETION; 1080 } 1081 1082 /** 1083 * Called from uhub_rescan(). usbd_new_device() for the target dev must be 1084 * called before calling this. 1085 */ 1086 usbd_status 1087 usbd_reattach_device(device_t parent, struct usbd_device *dev, 1088 int port, const int *locators) 1089 { 1090 int i, loc; 1091 1092 if (locators != NULL) { 1093 loc = locators[USBIFIFCF_PORT]; 1094 if (loc != USBIFIFCF_PORT_DEFAULT && loc != port) 1095 return USBD_NORMAL_COMPLETION; 1096 loc = locators[USBIFIFCF_VENDOR]; 1097 if (loc != USBIFIFCF_VENDOR_DEFAULT && 1098 loc != UGETW(dev->ud_ddesc.idVendor)) 1099 return USBD_NORMAL_COMPLETION; 1100 loc = locators[USBIFIFCF_PRODUCT]; 1101 if (loc != USBIFIFCF_PRODUCT_DEFAULT && 1102 loc != UGETW(dev->ud_ddesc.idProduct)) 1103 return USBD_NORMAL_COMPLETION; 1104 loc = locators[USBIFIFCF_RELEASE]; 1105 if (loc != USBIFIFCF_RELEASE_DEFAULT && 1106 loc != UGETW(dev->ud_ddesc.bcdDevice)) 1107 return USBD_NORMAL_COMPLETION; 1108 } 1109 if (dev->ud_subdevlen == 0) { 1110 /* XXX: check USBIFIFCF_CONFIGURATION and 1111 * USBIFIFCF_INTERFACE too */ 1112 return usbd_probe_and_attach(parent, dev, port, dev->ud_addr); 1113 } else if (dev->ud_subdevlen != dev->ud_cdesc->bNumInterface) { 1114 /* device-specific or generic driver is already attached. */ 1115 return USBD_NORMAL_COMPLETION; 1116 } 1117 /* Does the device have unconfigured interfaces? */ 1118 for (i = 0; i < dev->ud_subdevlen; i++) { 1119 if (dev->ud_subdevs[i] == NULL) { 1120 break; 1121 } 1122 } 1123 if (i >= dev->ud_subdevlen) 1124 return USBD_NORMAL_COMPLETION; 1125 return usbd_attachinterfaces(parent, dev, port, locators); 1126 } 1127 1128 /* 1129 * Get the first 8 bytes of the device descriptor. 1130 * Do as Windows does: try to read 64 bytes -- there are devices which 1131 * recognize the initial descriptor fetch (before the control endpoint's 1132 * MaxPacketSize is known by the host) by exactly this length. 1133 */ 1134 usbd_status 1135 usbd_get_initial_ddesc(struct usbd_device *dev, usb_device_descriptor_t *desc) 1136 { 1137 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1138 usb_device_request_t req; 1139 char buf[64]; 1140 int res, actlen; 1141 1142 DPRINTFN(5, "dev %p", dev, 0, 0, 0); 1143 1144 req.bmRequestType = UT_READ_DEVICE; 1145 req.bRequest = UR_GET_DESCRIPTOR; 1146 USETW2(req.wValue, UDESC_DEVICE, 0); 1147 USETW(req.wIndex, 0); 1148 USETW(req.wLength, 64); 1149 res = usbd_do_request_flags(dev, &req, buf, USBD_SHORT_XFER_OK, 1150 &actlen, USBD_DEFAULT_TIMEOUT); 1151 if (res) 1152 return res; 1153 if (actlen < 8) 1154 return USBD_SHORT_XFER; 1155 memcpy(desc, buf, 8); 1156 return USBD_NORMAL_COMPLETION; 1157 } 1158 1159 /* 1160 * Called when a new device has been put in the powered state, 1161 * but not yet in the addressed state. 1162 * Get initial descriptor, set the address, get full descriptor, 1163 * and attach a driver. 1164 */ 1165 usbd_status 1166 usbd_new_device(device_t parent, struct usbd_bus *bus, int depth, int speed, 1167 int port, struct usbd_port *up) 1168 { 1169 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1170 struct usbd_device *dev, *adev; 1171 struct usbd_device *hub; 1172 usb_device_descriptor_t *dd; 1173 usb_port_status_t ps; 1174 usbd_status err; 1175 int addr; 1176 int i; 1177 int p; 1178 1179 DPRINTF("bus=%p port=%d depth=%d speed=%d", bus, port, depth, speed); 1180 1181 if (bus->ub_methods->ubm_newdev != NULL) 1182 return (bus->ub_methods->ubm_newdev)(parent, bus, depth, speed, 1183 port, up); 1184 1185 addr = usbd_getnewaddr(bus); 1186 if (addr < 0) { 1187 printf("%s: No free USB addresses, new device ignored.\n", 1188 device_xname(bus->ub_usbctl)); 1189 return USBD_NO_ADDR; 1190 } 1191 1192 dev = kmem_zalloc(sizeof(*dev), KM_SLEEP); 1193 if (dev == NULL) 1194 return USBD_NOMEM; 1195 1196 dev->ud_bus = bus; 1197 1198 /* Set up default endpoint handle. */ 1199 dev->ud_ep0.ue_edesc = &dev->ud_ep0desc; 1200 1201 /* Set up default endpoint descriptor. */ 1202 dev->ud_ep0desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; 1203 dev->ud_ep0desc.bDescriptorType = UDESC_ENDPOINT; 1204 dev->ud_ep0desc.bEndpointAddress = USB_CONTROL_ENDPOINT; 1205 dev->ud_ep0desc.bmAttributes = UE_CONTROL; 1206 /* 1207 * temporary, will be fixed after first descriptor fetch 1208 * (which uses 64 bytes so it shouldn't be less), 1209 * highspeed devices must support 64 byte packets anyway 1210 */ 1211 if (speed == USB_SPEED_HIGH || speed == USB_SPEED_FULL) 1212 USETW(dev->ud_ep0desc.wMaxPacketSize, 64); 1213 else 1214 USETW(dev->ud_ep0desc.wMaxPacketSize, USB_MAX_IPACKET); 1215 1216 dev->ud_ep0desc.bInterval = 0; 1217 1218 /* doesn't matter, just don't leave it uninitialized */ 1219 dev->ud_ep0.ue_toggle = 0; 1220 1221 dev->ud_quirks = &usbd_no_quirk; 1222 dev->ud_addr = USB_START_ADDR; 1223 dev->ud_ddesc.bMaxPacketSize = 0; 1224 dev->ud_depth = depth; 1225 dev->ud_powersrc = up; 1226 dev->ud_myhub = up->up_parent; 1227 1228 up->up_dev = dev; 1229 1230 /* Locate port on upstream high speed hub */ 1231 for (adev = dev, hub = up->up_parent; 1232 hub != NULL && hub->ud_speed != USB_SPEED_HIGH; 1233 adev = hub, hub = hub->ud_myhub) 1234 ; 1235 if (hub) { 1236 for (p = 0; p < hub->ud_hub->uh_hubdesc.bNbrPorts; p++) { 1237 if (hub->ud_hub->uh_ports[p].up_dev == adev) { 1238 dev->ud_myhsport = &hub->ud_hub->uh_ports[p]; 1239 goto found; 1240 } 1241 } 1242 panic("usbd_new_device: cannot find HS port"); 1243 found: 1244 DPRINTFN(1, "high speed port %d", p, 0, 0, 0); 1245 } else { 1246 dev->ud_myhsport = NULL; 1247 } 1248 dev->ud_speed = speed; 1249 dev->ud_langid = USBD_NOLANG; 1250 dev->ud_cookie.cookie = ++usb_cookie_no; 1251 1252 /* Establish the default pipe. */ 1253 err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, 1254 &dev->ud_pipe0, USBD_MPSAFE); 1255 if (err) { 1256 usbd_remove_device(dev, up); 1257 return err; 1258 } 1259 1260 dd = &dev->ud_ddesc; 1261 /* Try a few times in case the device is slow (i.e. outside specs.) */ 1262 for (i = 0; i < 10; i++) { 1263 /* Get the first 8 bytes of the device descriptor. */ 1264 err = usbd_get_initial_ddesc(dev, dd); 1265 if (!err) 1266 break; 1267 /* 1268 * The root hub can never fail to give the initial descriptor, 1269 * but assert it just in case. 1270 */ 1271 KASSERT(up->up_parent); 1272 usbd_delay_ms(dev, 200); 1273 if ((i & 3) == 3) 1274 usbd_reset_port(up->up_parent, port, &ps); 1275 } 1276 if (err) { 1277 DPRINTF("addr=%d, getting first desc failed: %d", addr, err, 1278 0, 0); 1279 usbd_remove_device(dev, up); 1280 return err; 1281 } 1282 1283 /* Windows resets the port here, do likewise */ 1284 if (up->up_parent) 1285 usbd_reset_port(up->up_parent, port, &ps); 1286 1287 if (speed == USB_SPEED_HIGH) { 1288 /* Max packet size must be 64 (sec 5.5.3). */ 1289 if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { 1290 #ifdef DIAGNOSTIC 1291 printf("usbd_new_device: addr=%d bad max packet " 1292 "size=%d. adjusting to %d.\n", 1293 addr, dd->bMaxPacketSize, USB_2_MAX_CTRL_PACKET); 1294 #endif 1295 dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; 1296 } 1297 } 1298 1299 DPRINTF("adding unit addr=%d, rev=%02x, class=%d, subclass=%d", addr, 1300 UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass); 1301 DPRINTF("protocol=%d, maxpacket=%d, len=%d, speed=%d", 1302 dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, dev->ud_speed); 1303 1304 if (dd->bDescriptorType != UDESC_DEVICE) { 1305 /* Illegal device descriptor */ 1306 DPRINTF("illegal descriptor %d", dd->bDescriptorType, 0, 0, 0); 1307 usbd_remove_device(dev, up); 1308 return USBD_INVAL; 1309 } 1310 1311 if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { 1312 DPRINTF("bad length %d", dd->bLength, 0, 0, 0); 1313 usbd_remove_device(dev, up); 1314 return USBD_INVAL; 1315 } 1316 1317 USETW(dev->ud_ep0desc.wMaxPacketSize, dd->bMaxPacketSize); 1318 1319 /* Re-establish the default pipe with the new MPS. */ 1320 usbd_kill_pipe(dev->ud_pipe0); 1321 err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, 1322 &dev->ud_pipe0, USBD_MPSAFE); 1323 if (err) { 1324 DPRINTF("setup default pipe failed err %d", err, 0, 0, 0); 1325 usbd_remove_device(dev, up); 1326 return err; 1327 } 1328 1329 /* Set the address */ 1330 DPRINTFN(5, "setting device address=%d", addr, 0, 0, 0); 1331 err = usbd_set_address(dev, addr); 1332 if (err) { 1333 DPRINTF("set address %d failed, err = %d", addr, err, 0, 0); 1334 err = USBD_SET_ADDR_FAILED; 1335 usbd_remove_device(dev, up); 1336 return err; 1337 } 1338 1339 /* Allow device time to set new address */ 1340 usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); 1341 dev->ud_addr = addr; /* new device address now */ 1342 bus->ub_devices[usb_addr2dindex(addr)] = dev; 1343 1344 /* Re-establish the default pipe with the new address. */ 1345 usbd_kill_pipe(dev->ud_pipe0); 1346 err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, 1347 &dev->ud_pipe0, USBD_MPSAFE); 1348 if (err) { 1349 DPRINTF("setup default pipe failed, err = %d", err, 0, 0, 0); 1350 usbd_remove_device(dev, up); 1351 return err; 1352 } 1353 1354 err = usbd_reload_device_desc(dev); 1355 if (err) { 1356 DPRINTF("addr=%d, getting full desc failed, err = %d", addr, 1357 err, 0, 0); 1358 usbd_remove_device(dev, up); 1359 return err; 1360 } 1361 1362 /* Assume 100mA bus powered for now. Changed when configured. */ 1363 dev->ud_power = USB_MIN_POWER; 1364 dev->ud_selfpowered = 0; 1365 1366 DPRINTF("new dev (addr %d), dev=%p, parent=%p", addr, dev, parent, 0); 1367 1368 usbd_get_device_strings(dev); 1369 1370 usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); 1371 1372 if (port == 0) { /* root hub */ 1373 KASSERT(addr == 1); 1374 usbd_attach_roothub(parent, dev); 1375 return USBD_NORMAL_COMPLETION; 1376 } 1377 1378 err = usbd_probe_and_attach(parent, dev, port, addr); 1379 if (err) { 1380 usbd_remove_device(dev, up); 1381 return err; 1382 } 1383 1384 return USBD_NORMAL_COMPLETION; 1385 } 1386 1387 usbd_status 1388 usbd_reload_device_desc(struct usbd_device *dev) 1389 { 1390 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1391 usb_device_descriptor_t *udd = &dev->ud_ddesc; 1392 usbd_status err; 1393 1394 /* Get the full device descriptor. */ 1395 err = usbd_get_device_desc(dev, udd); 1396 if (err) 1397 return err; 1398 1399 DPRINTFN(15, "bLength %5u", udd->bLength, 0, 0, 0); 1400 DPRINTFN(15, "bDescriptorType %5u", udd->bDescriptorType, 0, 0, 0); 1401 DPRINTFN(15, "bcdUSB %2x.%02x", udd->bcdUSB[1], 1402 udd->bcdUSB[0], 0, 0); 1403 DPRINTFN(15, "bDeviceClass %5u", udd->bDeviceClass, 0, 0, 0); 1404 DPRINTFN(15, "bDeviceSubClass %5u", udd->bDeviceSubClass, 0, 0, 0); 1405 DPRINTFN(15, "bDeviceProtocol %5u", udd->bDeviceProtocol, 0, 0, 0); 1406 DPRINTFN(15, "bMaxPacketSize0 %5u", udd->bMaxPacketSize, 0, 0, 0); 1407 DPRINTFN(15, "idVendor %#04x", udd->idVendor, 0, 0, 0); 1408 DPRINTFN(15, "idProduct %#04x", udd->idProduct, 0, 0, 0); 1409 DPRINTFN(15, "bcdDevice %2x.%02x", udd->bcdDevice[1], 1410 udd->bcdDevice[0], 0, 0); 1411 DPRINTFN(15, "iManufacturer %5u", udd->iManufacturer, 0, 0, 0); 1412 DPRINTFN(15, "iProduct %5u", udd->iProduct, 0, 0, 0); 1413 DPRINTFN(15, "iSerial %5u", udd->iSerialNumber, 0, 0, 0); 1414 DPRINTFN(15, "bNumConfigurations %5u", udd->bNumConfigurations, 0, 0, 1415 0); 1416 1417 /* Figure out what's wrong with this device. */ 1418 dev->ud_quirks = usbd_find_quirk(udd); 1419 1420 return USBD_NORMAL_COMPLETION; 1421 } 1422 1423 void 1424 usbd_remove_device(struct usbd_device *dev, struct usbd_port *up) 1425 { 1426 1427 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1428 1429 DPRINTF("dev %p up %p", dev, up, 0, 0); 1430 1431 if (dev->ud_pipe0 != NULL) 1432 usbd_kill_pipe(dev->ud_pipe0); 1433 up->up_dev = NULL; 1434 dev->ud_bus->ub_devices[usb_addr2dindex(dev->ud_addr)] = NULL; 1435 1436 kmem_free(dev, sizeof(*dev)); 1437 } 1438 1439 int 1440 usbd_print(void *aux, const char *pnp) 1441 { 1442 struct usb_attach_arg *uaa = aux; 1443 1444 if (pnp) { 1445 #define USB_DEVINFO 1024 1446 char *devinfo; 1447 if (!uaa->uaa_usegeneric) 1448 return QUIET; 1449 devinfo = kmem_alloc(USB_DEVINFO, KM_SLEEP); 1450 usbd_devinfo(uaa->uaa_device, 1, devinfo, USB_DEVINFO); 1451 aprint_normal("%s, %s", devinfo, pnp); 1452 kmem_free(devinfo, USB_DEVINFO); 1453 } 1454 aprint_normal(" port %d", uaa->uaa_port); 1455 #if 0 1456 /* 1457 * It gets very crowded with these locators on the attach line. 1458 * They are not really needed since they are printed in the clear 1459 * by each driver. 1460 */ 1461 if (uaa->uaa_vendor != UHUB_UNK_VENDOR) 1462 aprint_normal(" vendor %#04x", uaa->uaa_vendor); 1463 if (uaa->uaa_product != UHUB_UNK_PRODUCT) 1464 aprint_normal(" product %#04x", uaa->uaa_product); 1465 if (uaa->uaa_release != UHUB_UNK_RELEASE) 1466 aprint_normal(" release %#04x", uaa->uaa_release); 1467 #endif 1468 return UNCONF; 1469 } 1470 1471 int 1472 usbd_ifprint(void *aux, const char *pnp) 1473 { 1474 struct usbif_attach_arg *uiaa = aux; 1475 1476 if (pnp) 1477 return QUIET; 1478 aprint_normal(" port %d", uiaa->uiaa_port); 1479 aprint_normal(" configuration %d", uiaa->uiaa_configno); 1480 aprint_normal(" interface %d", uiaa->uiaa_ifaceno); 1481 #if 0 1482 /* 1483 * It gets very crowded with these locators on the attach line. 1484 * They are not really needed since they are printed in the clear 1485 * by each driver. 1486 */ 1487 if (uaa->uaa_vendor != UHUB_UNK_VENDOR) 1488 aprint_normal(" vendor %#04x", uaa->uaa_vendor); 1489 if (uaa->uaa_product != UHUB_UNK_PRODUCT) 1490 aprint_normal(" product %#04x", uaa->uaa_product); 1491 if (uaa->uaa_release != UHUB_UNK_RELEASE) 1492 aprint_normal(" release %#04x", uaa->uaa_release); 1493 #endif 1494 return UNCONF; 1495 } 1496 1497 void 1498 usbd_fill_deviceinfo(struct usbd_device *dev, struct usb_device_info *di, 1499 int usedev) 1500 { 1501 struct usbd_port *p; 1502 int i, j, err; 1503 1504 di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); 1505 di->udi_addr = dev->ud_addr; 1506 di->udi_cookie = dev->ud_cookie; 1507 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1508 di->udi_product, sizeof(di->udi_product), usedev, 1); 1509 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1510 UGETW(dev->ud_ddesc.bcdDevice)); 1511 if (usedev) { 1512 usbd_status uerr = usbd_get_string(dev, 1513 dev->ud_ddesc.iSerialNumber, di->udi_serial); 1514 if (uerr != USBD_NORMAL_COMPLETION) { 1515 di->udi_serial[0] = '\0'; 1516 } else { 1517 usbd_trim_spaces(di->udi_serial); 1518 } 1519 } else { 1520 di->udi_serial[0] = '\0'; 1521 if (dev->ud_serial) { 1522 strlcpy(di->udi_serial, dev->ud_serial, 1523 sizeof(di->udi_serial)); 1524 } 1525 } 1526 1527 di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); 1528 di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); 1529 di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); 1530 di->udi_class = dev->ud_ddesc.bDeviceClass; 1531 di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; 1532 di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; 1533 di->udi_config = dev->ud_config; 1534 di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; 1535 di->udi_speed = dev->ud_speed; 1536 1537 if (dev->ud_subdevlen > 0) { 1538 for (i = 0, j = 0; i < dev->ud_subdevlen && 1539 j < USB_MAX_DEVNAMES; i++) { 1540 if (!dev->ud_subdevs[i]) 1541 continue; 1542 strncpy(di->udi_devnames[j], 1543 device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); 1544 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1545 j++; 1546 } 1547 } else { 1548 j = 0; 1549 } 1550 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1551 di->udi_devnames[j][0] = 0; /* empty */ 1552 1553 if (!dev->ud_hub) { 1554 di->udi_nports = 0; 1555 return; 1556 } 1557 1558 const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts; 1559 for (i = 0; i < __arraycount(di->udi_ports) && i < nports; i++) { 1560 p = &dev->ud_hub->uh_ports[i]; 1561 if (p->up_dev) 1562 err = p->up_dev->ud_addr; 1563 else { 1564 const int s = UGETW(p->up_status.wPortStatus); 1565 const bool sshub_p = USB_IS_SS(dev->ud_speed); 1566 if (s & UPS_PORT_ENABLED) 1567 err = USB_PORT_ENABLED; 1568 else if (s & UPS_SUSPEND) 1569 err = USB_PORT_SUSPENDED; 1570 /* 1571 * Note: UPS_PORT_POWER_SS is available only 1572 * on 3.x, and UPS_PORT_POWER is available 1573 * only on 2.0 or 1.1. 1574 */ 1575 else if (sshub_p && (s & UPS_PORT_POWER_SS)) 1576 err = USB_PORT_POWERED; 1577 else if (!sshub_p && (s & UPS_PORT_POWER)) 1578 err = USB_PORT_POWERED; 1579 else 1580 err = USB_PORT_DISABLED; 1581 } 1582 di->udi_ports[i] = err; 1583 } 1584 di->udi_nports = nports; 1585 } 1586 1587 #ifdef COMPAT_30 1588 void 1589 usbd_fill_deviceinfo_old(struct usbd_device *dev, struct usb_device_info_old *di, 1590 int usedev) 1591 { 1592 struct usbd_port *p; 1593 int i, j, err; 1594 1595 di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); 1596 di->udi_addr = dev->ud_addr; 1597 di->udi_cookie = dev->ud_cookie; 1598 usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), 1599 di->udi_product, sizeof(di->udi_product), usedev, 0); 1600 usbd_printBCD(di->udi_release, sizeof(di->udi_release), 1601 UGETW(dev->ud_ddesc.bcdDevice)); 1602 di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); 1603 di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); 1604 di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); 1605 di->udi_class = dev->ud_ddesc.bDeviceClass; 1606 di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; 1607 di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; 1608 di->udi_config = dev->ud_config; 1609 di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; 1610 di->udi_speed = dev->ud_speed; 1611 1612 if (dev->ud_subdevlen > 0) { 1613 for (i = 0, j = 0; i < dev->ud_subdevlen && 1614 j < USB_MAX_DEVNAMES; i++) { 1615 if (!dev->ud_subdevs[i]) 1616 continue; 1617 strncpy(di->udi_devnames[j], 1618 device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); 1619 di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; 1620 j++; 1621 } 1622 } else { 1623 j = 0; 1624 } 1625 for (/* j is set */; j < USB_MAX_DEVNAMES; j++) 1626 di->udi_devnames[j][0] = 0; /* empty */ 1627 1628 if (!dev->ud_hub) { 1629 di->udi_nports = 0; 1630 return; 1631 } 1632 1633 const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts; 1634 for (i = 0; i < __arraycount(di->udi_ports) && i < nports; 1635 i++) { 1636 p = &dev->ud_hub->uh_ports[i]; 1637 if (p->up_dev) 1638 err = p->up_dev->ud_addr; 1639 else { 1640 const int s = UGETW(p->up_status.wPortStatus); 1641 if (s & UPS_PORT_ENABLED) 1642 err = USB_PORT_ENABLED; 1643 else if (s & UPS_SUSPEND) 1644 err = USB_PORT_SUSPENDED; 1645 else if (s & UPS_PORT_POWER) 1646 err = USB_PORT_POWERED; 1647 else 1648 err = USB_PORT_DISABLED; 1649 } 1650 di->udi_ports[i] = err; 1651 } 1652 di->udi_nports = nports; 1653 } 1654 #endif 1655 1656 1657 void 1658 usb_free_device(struct usbd_device *dev) 1659 { 1660 int ifcidx, nifc; 1661 1662 if (dev->ud_pipe0 != NULL) 1663 usbd_kill_pipe(dev->ud_pipe0); 1664 if (dev->ud_ifaces != NULL) { 1665 nifc = dev->ud_cdesc->bNumInterface; 1666 for (ifcidx = 0; ifcidx < nifc; ifcidx++) 1667 usbd_free_iface_data(dev, ifcidx); 1668 kmem_free(dev->ud_ifaces, 1669 nifc * sizeof(struct usbd_interface)); 1670 } 1671 if (dev->ud_cdesc != NULL) 1672 kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); 1673 if (dev->ud_bdesc != NULL) 1674 kmem_free(dev->ud_bdesc, UGETW(dev->ud_bdesc->wTotalLength)); 1675 if (dev->ud_subdevlen > 0) { 1676 kmem_free(dev->ud_subdevs, 1677 dev->ud_subdevlen * sizeof(device_t)); 1678 dev->ud_subdevlen = 0; 1679 } 1680 if (dev->ud_vendor) { 1681 kmem_free(dev->ud_vendor, USB_MAX_ENCODED_STRING_LEN); 1682 } 1683 if (dev->ud_product) { 1684 kmem_free(dev->ud_product, USB_MAX_ENCODED_STRING_LEN); 1685 } 1686 if (dev->ud_serial) { 1687 kmem_free(dev->ud_serial, USB_MAX_ENCODED_STRING_LEN); 1688 } 1689 kmem_free(dev, sizeof(*dev)); 1690 } 1691 1692 /* 1693 * The general mechanism for detaching drivers works as follows: Each 1694 * driver is responsible for maintaining a reference count on the 1695 * number of outstanding references to its softc (e.g. from 1696 * processing hanging in a read or write). The detach method of the 1697 * driver decrements this counter and flags in the softc that the 1698 * driver is dying and then wakes any sleepers. It then sleeps on the 1699 * softc. Each place that can sleep must maintain the reference 1700 * count. When the reference count drops to -1 (0 is the normal value 1701 * of the reference count) the a wakeup on the softc is performed 1702 * signaling to the detach waiter that all references are gone. 1703 */ 1704 1705 /* 1706 * Called from process context when we discover that a port has 1707 * been disconnected. 1708 */ 1709 int 1710 usb_disconnect_port(struct usbd_port *up, device_t parent, int flags) 1711 { 1712 USBHIST_FUNC(); USBHIST_CALLED(usbdebug); 1713 struct usbd_device *dev = up->up_dev; 1714 device_t subdev; 1715 char subdevname[16]; 1716 const char *hubname = device_xname(parent); 1717 int i, rc; 1718 1719 DPRINTFN(3, "up=%p dev=%p port=%d", up, dev, up->up_portno, 0); 1720 1721 if (dev == NULL) { 1722 return 0; 1723 } 1724 1725 if (dev->ud_subdevlen > 0) { 1726 DPRINTFN(3, "disconnect subdevs", 0, 0, 0, 0); 1727 for (i = 0; i < dev->ud_subdevlen; i++) { 1728 if ((subdev = dev->ud_subdevs[i]) == NULL) 1729 continue; 1730 strlcpy(subdevname, device_xname(subdev), 1731 sizeof(subdevname)); 1732 if ((rc = config_detach(subdev, flags)) != 0) 1733 return rc; 1734 printf("%s: at %s", subdevname, hubname); 1735 if (up->up_portno != 0) 1736 printf(" port %d", up->up_portno); 1737 printf(" (addr %d) disconnected\n", dev->ud_addr); 1738 } 1739 KASSERT(!dev->ud_nifaces_claimed); 1740 } 1741 1742 mutex_enter(dev->ud_bus->ub_lock); 1743 dev->ud_bus->ub_devices[usb_addr2dindex(dev->ud_addr)] = NULL; 1744 up->up_dev = NULL; 1745 mutex_exit(dev->ud_bus->ub_lock); 1746 1747 usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); 1748 1749 usb_free_device(dev); 1750 1751 return 0; 1752 } 1753