| 1 | /* $NetBSD: usb_subr.c,v 1.216 2016/09/06 06:46:15 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 1.216 2016/09/06 06:46:15 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 *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 | usb_bos_descriptor_t bd; |
| 637 | |
| 638 | /* get short bos desc */ |
| 639 | err = usbd_get_bos_desc(dev, index, &bd); |
| 640 | if (!err) { |
| 641 | int blen = UGETW(bd.wTotalLength); |
| 642 | bdp = kmem_alloc(blen, KM_SLEEP); |
| 643 | if (bdp == NULL) { |
| 644 | err = USBD_NOMEM; |
| 645 | goto bad; |
| 646 | } |
| 647 | |
| 648 | /* Get the full desc */ |
| 649 | for (i = 0; i < 3; i++) { |
| 650 | err = usbd_get_desc(dev, UDESC_BOS, index, blen, |
| 651 | bdp); |
| 652 | if (!err) |
| 653 | break; |
| 654 | usbd_delay_ms(dev, 200); |
| 655 | } |
| 656 | if (err || bdp->bDescriptorType != UDESC_BOS) { |
| 657 | DPRINTF("error %d or bad desc %d" , err, |
| 658 | bdp->bDescriptorType, 0, 0); |
| 659 | kmem_free(bdp, blen); |
| 660 | bdp = NULL; |
| 661 | } |
| 662 | } |
| 663 | } |
| 664 | dev->ud_bdesc = bdp; |
| 665 | |
| 666 | /* |
| 667 | * Figure out if the device is self or bus powered. |
| 668 | */ |
| 669 | #if 0 /* XXX various devices don't report the power state correctly */ |
| 670 | selfpowered = 0; |
| 671 | err = usbd_get_device_status(dev, &ds); |
| 672 | if (!err && (UGETW(ds.wStatus) & UDS_SELF_POWERED)) |
| 673 | selfpowered = 1; |
| 674 | #endif |
| 675 | /* |
| 676 | * Use the power state in the configuration we are going |
| 677 | * to set. This doesn't necessarily reflect the actual |
| 678 | * power state of the device; the driver can control this |
| 679 | * by choosing the appropriate configuration. |
| 680 | */ |
| 681 | selfpowered = !!(cdp->bmAttributes & UC_SELF_POWERED); |
| 682 | |
| 683 | DPRINTF("addr %d cno=%d attr=0x%02x, selfpowered=%d" , |
| 684 | dev->ud_addr, cdp->bConfigurationValue, cdp->bmAttributes, |
| 685 | selfpowered); |
| 686 | DPRINTF("max power=%d" , cdp->bMaxPower * 2, 0, 0, 0); |
| 687 | |
| 688 | /* Check if we have enough power. */ |
| 689 | #if 0 /* this is a no-op, see above */ |
| 690 | if ((cdp->bmAttributes & UC_SELF_POWERED) && !selfpowered) { |
| 691 | if (msg) |
| 692 | printf("%s: device addr %d (config %d): " |
| 693 | "can't set self powered configuration\n" , |
| 694 | device_xname(dev->ud_bus->bdev), dev->ud_addr, |
| 695 | cdp->bConfigurationValue); |
| 696 | err = USBD_NO_POWER; |
| 697 | goto bad; |
| 698 | } |
| 699 | #endif |
| 700 | #ifdef USB_DEBUG |
| 701 | if (dev->ud_powersrc == NULL) { |
| 702 | DPRINTF("No power source?" , 0, 0, 0, 0); |
| 703 | err = USBD_IOERROR; |
| 704 | goto bad; |
| 705 | } |
| 706 | #endif |
| 707 | power = cdp->bMaxPower * 2; |
| 708 | if (power > dev->ud_powersrc->up_power) { |
| 709 | DPRINTF("power exceeded %d %d" , power, dev->ud_powersrc->up_power, |
| 710 | 0, 0); |
| 711 | /* XXX print nicer message. */ |
| 712 | if (msg) |
| 713 | printf("%s: device addr %d (config %d) exceeds power " |
| 714 | "budget, %d mA > %d mA\n" , |
| 715 | device_xname(dev->ud_bus->ub_usbctl), dev->ud_addr, |
| 716 | cdp->bConfigurationValue, |
| 717 | power, dev->ud_powersrc->up_power); |
| 718 | err = USBD_NO_POWER; |
| 719 | goto bad; |
| 720 | } |
| 721 | dev->ud_power = power; |
| 722 | dev->ud_selfpowered = selfpowered; |
| 723 | |
| 724 | /* Set the actual configuration value. */ |
| 725 | DPRINTF("set config %d" , cdp->bConfigurationValue, 0, 0, 0); |
| 726 | err = usbd_set_config(dev, cdp->bConfigurationValue); |
| 727 | if (err) { |
| 728 | DPRINTF("setting config=%d failed, error=%d" , |
| 729 | cdp->bConfigurationValue, err, 0, 0); |
| 730 | goto bad; |
| 731 | } |
| 732 | |
| 733 | /* Allocate and fill interface data. */ |
| 734 | nifc = cdp->bNumInterface; |
| 735 | dev->ud_ifaces = kmem_alloc(nifc * sizeof(struct usbd_interface), |
| 736 | KM_SLEEP); |
| 737 | if (dev->ud_ifaces == NULL) { |
| 738 | err = USBD_NOMEM; |
| 739 | goto bad; |
| 740 | } |
| 741 | DPRINTFN(5, "dev=%p cdesc=%p" , dev, cdp, 0, 0); |
| 742 | dev->ud_cdesc = cdp; |
| 743 | dev->ud_config = cdp->bConfigurationValue; |
| 744 | for (ifcidx = 0; ifcidx < nifc; ifcidx++) { |
| 745 | err = usbd_fill_iface_data(dev, ifcidx, 0); |
| 746 | if (err) { |
| 747 | while (--ifcidx >= 0) |
| 748 | usbd_free_iface_data(dev, ifcidx); |
| 749 | goto bad; |
| 750 | } |
| 751 | } |
| 752 | |
| 753 | return USBD_NORMAL_COMPLETION; |
| 754 | |
| 755 | bad: |
| 756 | kmem_free(cdp, len); |
| 757 | if (bdp != NULL) { |
| 758 | kmem_free(bdp, UGETW(bdp->wTotalLength)); |
| 759 | dev->ud_bdesc = NULL; |
| 760 | } |
| 761 | return err; |
| 762 | } |
| 763 | |
| 764 | /* XXX add function for alternate settings */ |
| 765 | |
| 766 | usbd_status |
| 767 | usbd_setup_pipe(struct usbd_device *dev, struct usbd_interface *iface, |
| 768 | struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe) |
| 769 | { |
| 770 | return usbd_setup_pipe_flags(dev, iface, ep, ival, pipe, 0); |
| 771 | } |
| 772 | |
| 773 | usbd_status |
| 774 | usbd_setup_pipe_flags(struct usbd_device *dev, struct usbd_interface *iface, |
| 775 | struct usbd_endpoint *ep, int ival, struct usbd_pipe **pipe, uint8_t flags) |
| 776 | { |
| 777 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 778 | struct usbd_pipe *p; |
| 779 | usbd_status err; |
| 780 | |
| 781 | p = kmem_alloc(dev->ud_bus->ub_pipesize, KM_SLEEP); |
| 782 | DPRINTFN(1, "dev=%p addr=%d iface=%p ep=%p pipe=%p" , dev, dev->ud_addr, iface, ep); |
| 783 | if (p == NULL) { |
| 784 | DPRINTFN(1, "(nomem)" , 0, 0, 0, 0); |
| 785 | return USBD_NOMEM; |
| 786 | } |
| 787 | p->up_dev = dev; |
| 788 | p->up_iface = iface; |
| 789 | p->up_endpoint = ep; |
| 790 | ep->ue_refcnt++; |
| 791 | p->up_intrxfer = NULL; |
| 792 | p->up_running = 0; |
| 793 | p->up_aborting = 0; |
| 794 | p->up_serialise = true; |
| 795 | p->up_repeat = 0; |
| 796 | p->up_interval = ival; |
| 797 | p->up_flags = flags; |
| 798 | p->up_serialise = true; |
| 799 | SIMPLEQ_INIT(&p->up_queue); |
| 800 | err = dev->ud_bus->ub_methods->ubm_open(p); |
| 801 | if (err) { |
| 802 | DPRINTF("endpoint=0x%x failed, error=%d" , |
| 803 | ep->ue_edesc->bEndpointAddress, err, 0, 0); |
| 804 | kmem_intr_free(p, dev->ud_bus->ub_pipesize); |
| 805 | return err; |
| 806 | } |
| 807 | |
| 808 | KASSERT(p->up_methods->upm_start || p->up_serialise == false); |
| 809 | |
| 810 | usb_init_task(&p->up_async_task, usbd_clear_endpoint_stall_task, p, |
| 811 | USB_TASKQ_MPSAFE); |
| 812 | DPRINTFN(1, "pipe=%p" , p, 0, 0, 0); |
| 813 | *pipe = p; |
| 814 | return USBD_NORMAL_COMPLETION; |
| 815 | } |
| 816 | |
| 817 | /* Abort the device control pipe. */ |
| 818 | void |
| 819 | usbd_kill_pipe(struct usbd_pipe *pipe) |
| 820 | { |
| 821 | usbd_abort_pipe(pipe); |
| 822 | usbd_lock_pipe(pipe); |
| 823 | pipe->up_methods->upm_close(pipe); |
| 824 | usbd_unlock_pipe(pipe); |
| 825 | usb_rem_task(pipe->up_dev, &pipe->up_async_task); |
| 826 | pipe->up_endpoint->ue_refcnt--; |
| 827 | kmem_free(pipe, pipe->up_dev->ud_bus->ub_pipesize); |
| 828 | } |
| 829 | |
| 830 | int |
| 831 | usbd_getnewaddr(struct usbd_bus *bus) |
| 832 | { |
| 833 | int addr; |
| 834 | |
| 835 | for (addr = 1; addr < USB_MAX_DEVICES; addr++) |
| 836 | if (bus->ub_devices[addr] == NULL) |
| 837 | return addr; |
| 838 | return -1; |
| 839 | } |
| 840 | |
| 841 | usbd_status |
| 842 | usbd_attach_roothub(device_t parent, struct usbd_device *dev) |
| 843 | { |
| 844 | struct usb_attach_arg uaa; |
| 845 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
| 846 | device_t dv; |
| 847 | |
| 848 | uaa.uaa_device = dev; |
| 849 | uaa.uaa_usegeneric = 0; |
| 850 | uaa.uaa_port = 0; |
| 851 | uaa.uaa_vendor = UGETW(dd->idVendor); |
| 852 | uaa.uaa_product = UGETW(dd->idProduct); |
| 853 | uaa.uaa_release = UGETW(dd->bcdDevice); |
| 854 | uaa.uaa_class = dd->bDeviceClass; |
| 855 | uaa.uaa_subclass = dd->bDeviceSubClass; |
| 856 | uaa.uaa_proto = dd->bDeviceProtocol; |
| 857 | |
| 858 | dv = config_found_ia(parent, "usbroothubif" , &uaa, 0); |
| 859 | if (dv) { |
| 860 | dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); |
| 861 | if (dev->ud_subdevs == NULL) |
| 862 | return USBD_NOMEM; |
| 863 | dev->ud_subdevs[0] = dv; |
| 864 | dev->ud_subdevlen = 1; |
| 865 | } |
| 866 | return USBD_NORMAL_COMPLETION; |
| 867 | } |
| 868 | |
| 869 | static void |
| 870 | usbd_serialnumber(device_t dv, struct usbd_device *dev) |
| 871 | { |
| 872 | if (dev->ud_serial) { |
| 873 | prop_dictionary_set_cstring(device_properties(dv), |
| 874 | "serialnumber" , dev->ud_serial); |
| 875 | } |
| 876 | } |
| 877 | |
| 878 | static usbd_status |
| 879 | usbd_attachwholedevice(device_t parent, struct usbd_device *dev, int port, |
| 880 | int usegeneric) |
| 881 | { |
| 882 | struct usb_attach_arg uaa; |
| 883 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
| 884 | device_t dv; |
| 885 | int dlocs[USBDEVIFCF_NLOCS]; |
| 886 | |
| 887 | uaa.uaa_device = dev; |
| 888 | uaa.uaa_usegeneric = usegeneric; |
| 889 | uaa.uaa_port = port; |
| 890 | uaa.uaa_vendor = UGETW(dd->idVendor); |
| 891 | uaa.uaa_product = UGETW(dd->idProduct); |
| 892 | uaa.uaa_release = UGETW(dd->bcdDevice); |
| 893 | uaa.uaa_class = dd->bDeviceClass; |
| 894 | uaa.uaa_subclass = dd->bDeviceSubClass; |
| 895 | uaa.uaa_proto = dd->bDeviceProtocol; |
| 896 | |
| 897 | dlocs[USBDEVIFCF_PORT] = uaa.uaa_port; |
| 898 | dlocs[USBDEVIFCF_VENDOR] = uaa.uaa_vendor; |
| 899 | dlocs[USBDEVIFCF_PRODUCT] = uaa.uaa_product; |
| 900 | dlocs[USBDEVIFCF_RELEASE] = uaa.uaa_release; |
| 901 | /* the rest is historical ballast */ |
| 902 | dlocs[USBDEVIFCF_CONFIGURATION] = -1; |
| 903 | dlocs[USBDEVIFCF_INTERFACE] = -1; |
| 904 | |
| 905 | KERNEL_LOCK(1, NULL); |
| 906 | dv = config_found_sm_loc(parent, "usbdevif" , dlocs, &uaa, usbd_print, |
| 907 | config_stdsubmatch); |
| 908 | KERNEL_UNLOCK_ONE(NULL); |
| 909 | if (dv) { |
| 910 | dev->ud_subdevs = kmem_alloc(sizeof(dv), KM_SLEEP); |
| 911 | if (dev->ud_subdevs == NULL) |
| 912 | return USBD_NOMEM; |
| 913 | dev->ud_subdevs[0] = dv; |
| 914 | dev->ud_subdevlen = 1; |
| 915 | dev->ud_nifaces_claimed = 1; /* XXX */ |
| 916 | usbd_serialnumber(dv, dev); |
| 917 | } |
| 918 | return USBD_NORMAL_COMPLETION; |
| 919 | } |
| 920 | |
| 921 | static usbd_status |
| 922 | usbd_attachinterfaces(device_t parent, struct usbd_device *dev, |
| 923 | int port, const int *locators) |
| 924 | { |
| 925 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 926 | struct usbif_attach_arg uiaa; |
| 927 | int ilocs[USBIFIFCF_NLOCS]; |
| 928 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
| 929 | int nifaces; |
| 930 | struct usbd_interface **ifaces; |
| 931 | int i, j, loc; |
| 932 | device_t dv; |
| 933 | |
| 934 | nifaces = dev->ud_cdesc->bNumInterface; |
| 935 | ifaces = kmem_zalloc(nifaces * sizeof(*ifaces), KM_SLEEP); |
| 936 | if (!ifaces) |
| 937 | return USBD_NOMEM; |
| 938 | for (i = 0; i < nifaces; i++) { |
| 939 | if (!dev->ud_subdevs[i]) { |
| 940 | ifaces[i] = &dev->ud_ifaces[i]; |
| 941 | } |
| 942 | DPRINTF("interface %d %p" , i, ifaces[i], 0, 0); |
| 943 | } |
| 944 | |
| 945 | |
| 946 | uiaa.uiaa_device = dev; |
| 947 | uiaa.uiaa_port = port; |
| 948 | uiaa.uiaa_vendor = UGETW(dd->idVendor); |
| 949 | uiaa.uiaa_product = UGETW(dd->idProduct); |
| 950 | uiaa.uiaa_release = UGETW(dd->bcdDevice); |
| 951 | uiaa.uiaa_configno = dev->ud_cdesc->bConfigurationValue; |
| 952 | uiaa.uiaa_ifaces = ifaces; |
| 953 | uiaa.uiaa_nifaces = nifaces; |
| 954 | ilocs[USBIFIFCF_PORT] = uiaa.uiaa_port; |
| 955 | ilocs[USBIFIFCF_VENDOR] = uiaa.uiaa_vendor; |
| 956 | ilocs[USBIFIFCF_PRODUCT] = uiaa.uiaa_product; |
| 957 | ilocs[USBIFIFCF_RELEASE] = uiaa.uiaa_release; |
| 958 | ilocs[USBIFIFCF_CONFIGURATION] = uiaa.uiaa_configno; |
| 959 | |
| 960 | for (i = 0; i < nifaces; i++) { |
| 961 | if (!ifaces[i]) { |
| 962 | DPRINTF("interface %d claimed" , i, 0, 0, 0); |
| 963 | continue; /* interface already claimed */ |
| 964 | } |
| 965 | uiaa.uiaa_iface = ifaces[i]; |
| 966 | uiaa.uiaa_class = ifaces[i]->ui_idesc->bInterfaceClass; |
| 967 | uiaa.uiaa_subclass = ifaces[i]->ui_idesc->bInterfaceSubClass; |
| 968 | uiaa.uiaa_proto = ifaces[i]->ui_idesc->bInterfaceProtocol; |
| 969 | uiaa.uiaa_ifaceno = ifaces[i]->ui_idesc->bInterfaceNumber; |
| 970 | |
| 971 | DPRINTF("searching for interface %d..." , i, 0, 0, 0); |
| 972 | DPRINTF("class %x subclass %x proto %x ifaceno %d" , |
| 973 | uiaa.uiaa_class, uiaa.uiaa_subclass, uiaa.uiaa_proto, |
| 974 | uiaa.uiaa_ifaceno); |
| 975 | ilocs[USBIFIFCF_INTERFACE] = uiaa.uiaa_ifaceno; |
| 976 | if (locators != NULL) { |
| 977 | loc = locators[USBIFIFCF_CONFIGURATION]; |
| 978 | if (loc != USBIFIFCF_CONFIGURATION_DEFAULT && |
| 979 | loc != uiaa.uiaa_configno) |
| 980 | continue; |
| 981 | loc = locators[USBIFIFCF_INTERFACE]; |
| 982 | if (loc != USBIFIFCF_INTERFACE_DEFAULT && |
| 983 | loc != uiaa.uiaa_ifaceno) |
| 984 | continue; |
| 985 | } |
| 986 | KERNEL_LOCK(1, NULL); |
| 987 | dv = config_found_sm_loc(parent, "usbifif" , ilocs, &uiaa, |
| 988 | usbd_ifprint, config_stdsubmatch); |
| 989 | KERNEL_UNLOCK_ONE(NULL); |
| 990 | if (!dv) |
| 991 | continue; |
| 992 | |
| 993 | usbd_serialnumber(dv, dev); |
| 994 | |
| 995 | /* claim */ |
| 996 | ifaces[i] = NULL; |
| 997 | /* account for ifaces claimed by the driver behind our back */ |
| 998 | for (j = 0; j < nifaces; j++) { |
| 999 | |
| 1000 | if (!ifaces[j] && !dev->ud_subdevs[j]) { |
| 1001 | DPRINTF("interface %d claimed behind our back" , |
| 1002 | j, 0, 0, 0); |
| 1003 | dev->ud_subdevs[j] = dv; |
| 1004 | dev->ud_nifaces_claimed++; |
| 1005 | } |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | kmem_free(ifaces, nifaces * sizeof(*ifaces)); |
| 1010 | return USBD_NORMAL_COMPLETION; |
| 1011 | } |
| 1012 | |
| 1013 | usbd_status |
| 1014 | usbd_probe_and_attach(device_t parent, struct usbd_device *dev, |
| 1015 | int port, int addr) |
| 1016 | { |
| 1017 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 1018 | usb_device_descriptor_t *dd = &dev->ud_ddesc; |
| 1019 | int confi, nifaces; |
| 1020 | usbd_status err; |
| 1021 | |
| 1022 | /* First try with device specific drivers. */ |
| 1023 | DPRINTF("trying device specific drivers" , 0, 0, 0, 0); |
| 1024 | err = usbd_attachwholedevice(parent, dev, port, 0); |
| 1025 | if (dev->ud_nifaces_claimed || err) |
| 1026 | return err; |
| 1027 | DPRINTF("no device specific driver found" , 0, 0, 0, 0); |
| 1028 | |
| 1029 | DPRINTF("looping over %d configurations" , dd->bNumConfigurations, |
| 1030 | 0, 0, 0); |
| 1031 | for (confi = 0; confi < dd->bNumConfigurations; confi++) { |
| 1032 | DPRINTFN(1, "trying config idx=%d" , confi, 0, 0, 0); |
| 1033 | err = usbd_set_config_index(dev, confi, 1); |
| 1034 | if (err) { |
| 1035 | DPRINTF("port %d, set config at addr %d failed, " |
| 1036 | "error=%d" , port, addr, err, 0); |
| 1037 | printf("%s: port %d, set config at addr %d failed\n" , |
| 1038 | device_xname(parent), port, addr); |
| 1039 | return err; |
| 1040 | } |
| 1041 | nifaces = dev->ud_cdesc->bNumInterface; |
| 1042 | dev->ud_subdevs = kmem_zalloc(nifaces * sizeof(device_t), |
| 1043 | KM_SLEEP); |
| 1044 | if (dev->ud_subdevs == NULL) |
| 1045 | return USBD_NOMEM; |
| 1046 | dev->ud_subdevlen = nifaces; |
| 1047 | |
| 1048 | err = usbd_attachinterfaces(parent, dev, port, NULL); |
| 1049 | |
| 1050 | if (!dev->ud_nifaces_claimed) { |
| 1051 | kmem_free(dev->ud_subdevs, |
| 1052 | dev->ud_subdevlen * sizeof(device_t)); |
| 1053 | dev->ud_subdevs = 0; |
| 1054 | dev->ud_subdevlen = 0; |
| 1055 | } |
| 1056 | if (dev->ud_nifaces_claimed || err) |
| 1057 | return err; |
| 1058 | } |
| 1059 | /* No interfaces were attached in any of the configurations. */ |
| 1060 | |
| 1061 | if (dd->bNumConfigurations > 1) /* don't change if only 1 config */ |
| 1062 | usbd_set_config_index(dev, 0, 0); |
| 1063 | |
| 1064 | DPRINTF("no interface drivers found" , 0, 0, 0, 0); |
| 1065 | |
| 1066 | /* Finally try the generic driver. */ |
| 1067 | err = usbd_attachwholedevice(parent, dev, port, 1); |
| 1068 | |
| 1069 | /* |
| 1070 | * The generic attach failed, but leave the device as it is. |
| 1071 | * We just did not find any drivers, that's all. The device is |
| 1072 | * fully operational and not harming anyone. |
| 1073 | */ |
| 1074 | DPRINTF("generic attach failed" , 0, 0, 0, 0); |
| 1075 | |
| 1076 | return USBD_NORMAL_COMPLETION; |
| 1077 | } |
| 1078 | |
| 1079 | /** |
| 1080 | * Called from uhub_rescan(). usbd_new_device() for the target dev must be |
| 1081 | * called before calling this. |
| 1082 | */ |
| 1083 | usbd_status |
| 1084 | usbd_reattach_device(device_t parent, struct usbd_device *dev, |
| 1085 | int port, const int *locators) |
| 1086 | { |
| 1087 | int i, loc; |
| 1088 | |
| 1089 | if (locators != NULL) { |
| 1090 | loc = locators[USBIFIFCF_PORT]; |
| 1091 | if (loc != USBIFIFCF_PORT_DEFAULT && loc != port) |
| 1092 | return USBD_NORMAL_COMPLETION; |
| 1093 | loc = locators[USBIFIFCF_VENDOR]; |
| 1094 | if (loc != USBIFIFCF_VENDOR_DEFAULT && |
| 1095 | loc != UGETW(dev->ud_ddesc.idVendor)) |
| 1096 | return USBD_NORMAL_COMPLETION; |
| 1097 | loc = locators[USBIFIFCF_PRODUCT]; |
| 1098 | if (loc != USBIFIFCF_PRODUCT_DEFAULT && |
| 1099 | loc != UGETW(dev->ud_ddesc.idProduct)) |
| 1100 | return USBD_NORMAL_COMPLETION; |
| 1101 | loc = locators[USBIFIFCF_RELEASE]; |
| 1102 | if (loc != USBIFIFCF_RELEASE_DEFAULT && |
| 1103 | loc != UGETW(dev->ud_ddesc.bcdDevice)) |
| 1104 | return USBD_NORMAL_COMPLETION; |
| 1105 | } |
| 1106 | if (dev->ud_subdevlen == 0) { |
| 1107 | /* XXX: check USBIFIFCF_CONFIGURATION and |
| 1108 | * USBIFIFCF_INTERFACE too */ |
| 1109 | return usbd_probe_and_attach(parent, dev, port, dev->ud_addr); |
| 1110 | } else if (dev->ud_subdevlen != dev->ud_cdesc->bNumInterface) { |
| 1111 | /* device-specific or generic driver is already attached. */ |
| 1112 | return USBD_NORMAL_COMPLETION; |
| 1113 | } |
| 1114 | /* Does the device have unconfigured interfaces? */ |
| 1115 | for (i = 0; i < dev->ud_subdevlen; i++) { |
| 1116 | if (dev->ud_subdevs[i] == NULL) { |
| 1117 | break; |
| 1118 | } |
| 1119 | } |
| 1120 | if (i >= dev->ud_subdevlen) |
| 1121 | return USBD_NORMAL_COMPLETION; |
| 1122 | return usbd_attachinterfaces(parent, dev, port, locators); |
| 1123 | } |
| 1124 | |
| 1125 | /* |
| 1126 | * Get the first 8 bytes of the device descriptor. |
| 1127 | * Do as Windows does: try to read 64 bytes -- there are devices which |
| 1128 | * recognize the initial descriptor fetch (before the control endpoint's |
| 1129 | * MaxPacketSize is known by the host) by exactly this length. |
| 1130 | */ |
| 1131 | usbd_status |
| 1132 | usbd_get_initial_ddesc(struct usbd_device *dev, usb_device_descriptor_t *desc) |
| 1133 | { |
| 1134 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 1135 | usb_device_request_t req; |
| 1136 | char buf[64]; |
| 1137 | int res, actlen; |
| 1138 | |
| 1139 | DPRINTFN(5, "dev %p" , dev, 0, 0, 0); |
| 1140 | |
| 1141 | req.bmRequestType = UT_READ_DEVICE; |
| 1142 | req.bRequest = UR_GET_DESCRIPTOR; |
| 1143 | USETW2(req.wValue, UDESC_DEVICE, 0); |
| 1144 | USETW(req.wIndex, 0); |
| 1145 | USETW(req.wLength, 64); |
| 1146 | res = usbd_do_request_flags(dev, &req, buf, USBD_SHORT_XFER_OK, |
| 1147 | &actlen, USBD_DEFAULT_TIMEOUT); |
| 1148 | if (res) |
| 1149 | return res; |
| 1150 | if (actlen < 8) |
| 1151 | return USBD_SHORT_XFER; |
| 1152 | memcpy(desc, buf, 8); |
| 1153 | return USBD_NORMAL_COMPLETION; |
| 1154 | } |
| 1155 | |
| 1156 | /* |
| 1157 | * Called when a new device has been put in the powered state, |
| 1158 | * but not yet in the addressed state. |
| 1159 | * Get initial descriptor, set the address, get full descriptor, |
| 1160 | * and attach a driver. |
| 1161 | */ |
| 1162 | usbd_status |
| 1163 | usbd_new_device(device_t parent, struct usbd_bus* bus, int depth, |
| 1164 | int speed, int port, struct usbd_port *up) |
| 1165 | { |
| 1166 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 1167 | struct usbd_device *dev, *adev; |
| 1168 | struct usbd_device *hub; |
| 1169 | usb_device_descriptor_t *dd; |
| 1170 | usb_port_status_t ps; |
| 1171 | usbd_status err; |
| 1172 | int addr; |
| 1173 | int i; |
| 1174 | int p; |
| 1175 | |
| 1176 | DPRINTF("bus=%p port=%d depth=%d speed=%d" , bus, port, depth, speed); |
| 1177 | |
| 1178 | if (bus->ub_methods->ubm_newdev != NULL) |
| 1179 | return (bus->ub_methods->ubm_newdev)(parent, bus, depth, speed, |
| 1180 | port, up); |
| 1181 | |
| 1182 | addr = usbd_getnewaddr(bus); |
| 1183 | if (addr < 0) { |
| 1184 | printf("%s: No free USB addresses, new device ignored.\n" , |
| 1185 | device_xname(bus->ub_usbctl)); |
| 1186 | return USBD_NO_ADDR; |
| 1187 | } |
| 1188 | |
| 1189 | dev = kmem_zalloc(sizeof(*dev), KM_SLEEP); |
| 1190 | if (dev == NULL) |
| 1191 | return USBD_NOMEM; |
| 1192 | |
| 1193 | dev->ud_bus = bus; |
| 1194 | |
| 1195 | /* Set up default endpoint handle. */ |
| 1196 | dev->ud_ep0.ue_edesc = &dev->ud_ep0desc; |
| 1197 | |
| 1198 | /* Set up default endpoint descriptor. */ |
| 1199 | dev->ud_ep0desc.bLength = USB_ENDPOINT_DESCRIPTOR_SIZE; |
| 1200 | dev->ud_ep0desc.bDescriptorType = UDESC_ENDPOINT; |
| 1201 | dev->ud_ep0desc.bEndpointAddress = USB_CONTROL_ENDPOINT; |
| 1202 | dev->ud_ep0desc.bmAttributes = UE_CONTROL; |
| 1203 | /* |
| 1204 | * temporary, will be fixed after first descriptor fetch |
| 1205 | * (which uses 64 bytes so it shouldn't be less), |
| 1206 | * highspeed devices must support 64 byte packets anyway |
| 1207 | */ |
| 1208 | if (speed == USB_SPEED_HIGH || speed == USB_SPEED_FULL) |
| 1209 | USETW(dev->ud_ep0desc.wMaxPacketSize, 64); |
| 1210 | else |
| 1211 | USETW(dev->ud_ep0desc.wMaxPacketSize, USB_MAX_IPACKET); |
| 1212 | |
| 1213 | dev->ud_ep0desc.bInterval = 0; |
| 1214 | |
| 1215 | /* doesn't matter, just don't leave it uninitialized */ |
| 1216 | dev->ud_ep0.ue_toggle = 0; |
| 1217 | |
| 1218 | dev->ud_quirks = &usbd_no_quirk; |
| 1219 | dev->ud_addr = USB_START_ADDR; |
| 1220 | dev->ud_ddesc.bMaxPacketSize = 0; |
| 1221 | dev->ud_depth = depth; |
| 1222 | dev->ud_powersrc = up; |
| 1223 | dev->ud_myhub = up->up_parent; |
| 1224 | |
| 1225 | up->up_dev = dev; |
| 1226 | |
| 1227 | /* Locate port on upstream high speed hub */ |
| 1228 | for (adev = dev, hub = up->up_parent; |
| 1229 | hub != NULL && hub->ud_speed != USB_SPEED_HIGH; |
| 1230 | adev = hub, hub = hub->ud_myhub) |
| 1231 | ; |
| 1232 | if (hub) { |
| 1233 | for (p = 0; p < hub->ud_hub->uh_hubdesc.bNbrPorts; p++) { |
| 1234 | if (hub->ud_hub->uh_ports[p].up_dev == adev) { |
| 1235 | dev->ud_myhsport = &hub->ud_hub->uh_ports[p]; |
| 1236 | goto found; |
| 1237 | } |
| 1238 | } |
| 1239 | panic("usbd_new_device: cannot find HS port" ); |
| 1240 | found: |
| 1241 | DPRINTFN(1, "high speed port %d" , p, 0, 0, 0); |
| 1242 | } else { |
| 1243 | dev->ud_myhsport = NULL; |
| 1244 | } |
| 1245 | dev->ud_speed = speed; |
| 1246 | dev->ud_langid = USBD_NOLANG; |
| 1247 | dev->ud_cookie.cookie = ++usb_cookie_no; |
| 1248 | |
| 1249 | /* Establish the default pipe. */ |
| 1250 | err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, |
| 1251 | &dev->ud_pipe0, USBD_MPSAFE); |
| 1252 | if (err) { |
| 1253 | usbd_remove_device(dev, up); |
| 1254 | return err; |
| 1255 | } |
| 1256 | |
| 1257 | dd = &dev->ud_ddesc; |
| 1258 | /* Try a few times in case the device is slow (i.e. outside specs.) */ |
| 1259 | for (i = 0; i < 10; i++) { |
| 1260 | /* Get the first 8 bytes of the device descriptor. */ |
| 1261 | err = usbd_get_initial_ddesc(dev, dd); |
| 1262 | if (!err) |
| 1263 | break; |
| 1264 | usbd_delay_ms(dev, 200); |
| 1265 | if ((i & 3) == 3) |
| 1266 | usbd_reset_port(up->up_parent, port, &ps); |
| 1267 | } |
| 1268 | if (err) { |
| 1269 | DPRINTF("addr=%d, getting first desc failed: %d" , addr, err, |
| 1270 | 0, 0); |
| 1271 | usbd_remove_device(dev, up); |
| 1272 | return err; |
| 1273 | } |
| 1274 | |
| 1275 | /* Windows resets the port here, do likewise */ |
| 1276 | if (up->up_parent) |
| 1277 | usbd_reset_port(up->up_parent, port, &ps); |
| 1278 | |
| 1279 | if (speed == USB_SPEED_HIGH) { |
| 1280 | /* Max packet size must be 64 (sec 5.5.3). */ |
| 1281 | if (dd->bMaxPacketSize != USB_2_MAX_CTRL_PACKET) { |
| 1282 | #ifdef DIAGNOSTIC |
| 1283 | printf("usbd_new_device: addr=%d bad max packet " |
| 1284 | "size=%d. adjusting to %d.\n" , |
| 1285 | addr, dd->bMaxPacketSize, USB_2_MAX_CTRL_PACKET); |
| 1286 | #endif |
| 1287 | dd->bMaxPacketSize = USB_2_MAX_CTRL_PACKET; |
| 1288 | } |
| 1289 | } |
| 1290 | |
| 1291 | DPRINTF("adding unit addr=%d, rev=%02x, class=%d, subclass=%d" , addr, |
| 1292 | UGETW(dd->bcdUSB), dd->bDeviceClass, dd->bDeviceSubClass); |
| 1293 | DPRINTF("protocol=%d, maxpacket=%d, len=%d, speed=%d" , |
| 1294 | dd->bDeviceProtocol, dd->bMaxPacketSize, dd->bLength, dev->ud_speed); |
| 1295 | |
| 1296 | if (dd->bDescriptorType != UDESC_DEVICE) { |
| 1297 | /* Illegal device descriptor */ |
| 1298 | DPRINTF("illegal descriptor %d" , dd->bDescriptorType, 0, 0, 0); |
| 1299 | usbd_remove_device(dev, up); |
| 1300 | return USBD_INVAL; |
| 1301 | } |
| 1302 | |
| 1303 | if (dd->bLength < USB_DEVICE_DESCRIPTOR_SIZE) { |
| 1304 | DPRINTF("bad length %d" , dd->bLength, 0, 0, 0); |
| 1305 | usbd_remove_device(dev, up); |
| 1306 | return USBD_INVAL; |
| 1307 | } |
| 1308 | |
| 1309 | USETW(dev->ud_ep0desc.wMaxPacketSize, dd->bMaxPacketSize); |
| 1310 | |
| 1311 | /* Re-establish the default pipe with the new MPS. */ |
| 1312 | usbd_kill_pipe(dev->ud_pipe0); |
| 1313 | err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, |
| 1314 | &dev->ud_pipe0, USBD_MPSAFE); |
| 1315 | if (err) { |
| 1316 | DPRINTF("setup default pipe failed err %d" , err, 0, 0, 0); |
| 1317 | usbd_remove_device(dev, up); |
| 1318 | return err; |
| 1319 | } |
| 1320 | |
| 1321 | /* Set the address */ |
| 1322 | DPRINTFN(5, "setting device address=%d" , addr, 0, 0, 0); |
| 1323 | err = usbd_set_address(dev, addr); |
| 1324 | if (err) { |
| 1325 | DPRINTF("set address %d failed, err = %d" , addr, err, 0, 0); |
| 1326 | err = USBD_SET_ADDR_FAILED; |
| 1327 | usbd_remove_device(dev, up); |
| 1328 | return err; |
| 1329 | } |
| 1330 | |
| 1331 | /* Allow device time to set new address */ |
| 1332 | usbd_delay_ms(dev, USB_SET_ADDRESS_SETTLE); |
| 1333 | dev->ud_addr = addr; /* new device address now */ |
| 1334 | bus->ub_devices[addr] = dev; |
| 1335 | |
| 1336 | /* Re-establish the default pipe with the new address. */ |
| 1337 | usbd_kill_pipe(dev->ud_pipe0); |
| 1338 | err = usbd_setup_pipe_flags(dev, 0, &dev->ud_ep0, USBD_DEFAULT_INTERVAL, |
| 1339 | &dev->ud_pipe0, USBD_MPSAFE); |
| 1340 | if (err) { |
| 1341 | DPRINTF("setup default pipe failed, err = %d" , err, 0, 0, 0); |
| 1342 | usbd_remove_device(dev, up); |
| 1343 | return err; |
| 1344 | } |
| 1345 | |
| 1346 | err = usbd_reload_device_desc(dev); |
| 1347 | if (err) { |
| 1348 | DPRINTF("addr=%d, getting full desc failed, err = %d" , addr, |
| 1349 | err, 0, 0); |
| 1350 | usbd_remove_device(dev, up); |
| 1351 | return err; |
| 1352 | } |
| 1353 | |
| 1354 | /* Assume 100mA bus powered for now. Changed when configured. */ |
| 1355 | dev->ud_power = USB_MIN_POWER; |
| 1356 | dev->ud_selfpowered = 0; |
| 1357 | |
| 1358 | DPRINTF("new dev (addr %d), dev=%p, parent=%p" , addr, dev, parent, 0); |
| 1359 | |
| 1360 | usbd_get_device_strings(dev); |
| 1361 | |
| 1362 | usbd_add_dev_event(USB_EVENT_DEVICE_ATTACH, dev); |
| 1363 | |
| 1364 | if (port == 0) { /* root hub */ |
| 1365 | KASSERT(addr == 1); |
| 1366 | usbd_attach_roothub(parent, dev); |
| 1367 | return USBD_NORMAL_COMPLETION; |
| 1368 | } |
| 1369 | |
| 1370 | err = usbd_probe_and_attach(parent, dev, port, addr); |
| 1371 | if (err) { |
| 1372 | usbd_remove_device(dev, up); |
| 1373 | return err; |
| 1374 | } |
| 1375 | |
| 1376 | return USBD_NORMAL_COMPLETION; |
| 1377 | } |
| 1378 | |
| 1379 | usbd_status |
| 1380 | usbd_reload_device_desc(struct usbd_device *dev) |
| 1381 | { |
| 1382 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 1383 | usb_device_descriptor_t *udd = &dev->ud_ddesc; |
| 1384 | usbd_status err; |
| 1385 | |
| 1386 | /* Get the full device descriptor. */ |
| 1387 | err = usbd_get_device_desc(dev, udd); |
| 1388 | if (err) |
| 1389 | return err; |
| 1390 | |
| 1391 | DPRINTFN(15, "bLength %5u" , udd->bLength, 0, 0, 0); |
| 1392 | DPRINTFN(15, "bDescriptorType %5u" , udd->bDescriptorType, 0, 0, 0); |
| 1393 | DPRINTFN(15, "bcdUSB %2x.%02x" , udd->bcdUSB[1], |
| 1394 | udd->bcdUSB[0], 0, 0); |
| 1395 | DPRINTFN(15, "bDeviceClass %5u" , udd->bDeviceClass, 0, 0, 0); |
| 1396 | DPRINTFN(15, "bDeviceSubClass %5u" , udd->bDeviceSubClass, 0, 0, 0); |
| 1397 | DPRINTFN(15, "bDeviceProtocol %5u" , udd->bDeviceProtocol, 0, 0, 0); |
| 1398 | DPRINTFN(15, "bMaxPacketSize0 %5u" , udd->bMaxPacketSize, 0, 0, 0); |
| 1399 | DPRINTFN(15, "idVendor 0x%04x" , udd->idVendor, 0, 0, 0); |
| 1400 | DPRINTFN(15, "idProduct 0x%04x" , udd->idProduct, 0, 0, 0); |
| 1401 | DPRINTFN(15, "bcdDevice %2x.%02x" , udd->bcdDevice[1], |
| 1402 | udd->bcdDevice[0], 0, 0); |
| 1403 | DPRINTFN(15, "iManufacturer %5u" , udd->iManufacturer, 0, 0, 0); |
| 1404 | DPRINTFN(15, "iProduct %5u" , udd->iProduct, 0, 0, 0); |
| 1405 | DPRINTFN(15, "iSerial %5u" , udd->iSerialNumber, 0, 0, 0); |
| 1406 | DPRINTFN(15, "bNumConfigurations %5u" , udd->bNumConfigurations, 0, 0, |
| 1407 | 0); |
| 1408 | |
| 1409 | /* Figure out what's wrong with this device. */ |
| 1410 | dev->ud_quirks = usbd_find_quirk(udd); |
| 1411 | |
| 1412 | return USBD_NORMAL_COMPLETION; |
| 1413 | } |
| 1414 | |
| 1415 | void |
| 1416 | usbd_remove_device(struct usbd_device *dev, struct usbd_port *up) |
| 1417 | { |
| 1418 | |
| 1419 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 1420 | |
| 1421 | DPRINTF("dev %p up %p" , dev, up, 0, 0); |
| 1422 | |
| 1423 | if (dev->ud_pipe0 != NULL) |
| 1424 | usbd_kill_pipe(dev->ud_pipe0); |
| 1425 | up->up_dev = NULL; |
| 1426 | dev->ud_bus->ub_devices[dev->ud_addr] = NULL; |
| 1427 | |
| 1428 | kmem_free(dev, sizeof(*dev)); |
| 1429 | } |
| 1430 | |
| 1431 | int |
| 1432 | usbd_print(void *aux, const char *pnp) |
| 1433 | { |
| 1434 | struct usb_attach_arg *uaa = aux; |
| 1435 | |
| 1436 | if (pnp) { |
| 1437 | #define USB_DEVINFO 1024 |
| 1438 | char *devinfo; |
| 1439 | if (!uaa->uaa_usegeneric) |
| 1440 | return QUIET; |
| 1441 | devinfo = kmem_alloc(USB_DEVINFO, KM_SLEEP); |
| 1442 | usbd_devinfo(uaa->uaa_device, 1, devinfo, USB_DEVINFO); |
| 1443 | aprint_normal("%s, %s" , devinfo, pnp); |
| 1444 | kmem_free(devinfo, USB_DEVINFO); |
| 1445 | } |
| 1446 | aprint_normal(" port %d" , uaa->uaa_port); |
| 1447 | #if 0 |
| 1448 | /* |
| 1449 | * It gets very crowded with these locators on the attach line. |
| 1450 | * They are not really needed since they are printed in the clear |
| 1451 | * by each driver. |
| 1452 | */ |
| 1453 | if (uaa->uaa_vendor != UHUB_UNK_VENDOR) |
| 1454 | aprint_normal(" vendor 0x%04x" , uaa->uaa_vendor); |
| 1455 | if (uaa->uaa_product != UHUB_UNK_PRODUCT) |
| 1456 | aprint_normal(" product 0x%04x" , uaa->uaa_product); |
| 1457 | if (uaa->uaa_release != UHUB_UNK_RELEASE) |
| 1458 | aprint_normal(" release 0x%04x" , uaa->uaa_release); |
| 1459 | #endif |
| 1460 | return UNCONF; |
| 1461 | } |
| 1462 | |
| 1463 | int |
| 1464 | usbd_ifprint(void *aux, const char *pnp) |
| 1465 | { |
| 1466 | struct usbif_attach_arg *uiaa = aux; |
| 1467 | |
| 1468 | if (pnp) |
| 1469 | return QUIET; |
| 1470 | aprint_normal(" port %d" , uiaa->uiaa_port); |
| 1471 | aprint_normal(" configuration %d" , uiaa->uiaa_configno); |
| 1472 | aprint_normal(" interface %d" , uiaa->uiaa_ifaceno); |
| 1473 | #if 0 |
| 1474 | /* |
| 1475 | * It gets very crowded with these locators on the attach line. |
| 1476 | * They are not really needed since they are printed in the clear |
| 1477 | * by each driver. |
| 1478 | */ |
| 1479 | if (uaa->uaa_vendor != UHUB_UNK_VENDOR) |
| 1480 | aprint_normal(" vendor 0x%04x" , uaa->uaa_vendor); |
| 1481 | if (uaa->uaa_product != UHUB_UNK_PRODUCT) |
| 1482 | aprint_normal(" product 0x%04x" , uaa->uaa_product); |
| 1483 | if (uaa->uaa_release != UHUB_UNK_RELEASE) |
| 1484 | aprint_normal(" release 0x%04x" , uaa->uaa_release); |
| 1485 | #endif |
| 1486 | return UNCONF; |
| 1487 | } |
| 1488 | |
| 1489 | void |
| 1490 | usbd_fill_deviceinfo(struct usbd_device *dev, struct usb_device_info *di, |
| 1491 | int usedev) |
| 1492 | { |
| 1493 | struct usbd_port *p; |
| 1494 | int i, j, err; |
| 1495 | |
| 1496 | di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); |
| 1497 | di->udi_addr = dev->ud_addr; |
| 1498 | di->udi_cookie = dev->ud_cookie; |
| 1499 | usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), |
| 1500 | di->udi_product, sizeof(di->udi_product), usedev, 1); |
| 1501 | usbd_printBCD(di->udi_release, sizeof(di->udi_release), |
| 1502 | UGETW(dev->ud_ddesc.bcdDevice)); |
| 1503 | if (usedev) { |
| 1504 | usbd_status uerr = usbd_get_string(dev, |
| 1505 | dev->ud_ddesc.iSerialNumber, di->udi_serial); |
| 1506 | if (uerr != USBD_NORMAL_COMPLETION) { |
| 1507 | di->udi_serial[0] = '\0'; |
| 1508 | } else { |
| 1509 | usbd_trim_spaces(di->udi_serial); |
| 1510 | } |
| 1511 | } else { |
| 1512 | di->udi_serial[0] = '\0'; |
| 1513 | if (dev->ud_serial) { |
| 1514 | strlcpy(di->udi_serial, dev->ud_serial, |
| 1515 | sizeof(di->udi_serial)); |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); |
| 1520 | di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); |
| 1521 | di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); |
| 1522 | di->udi_class = dev->ud_ddesc.bDeviceClass; |
| 1523 | di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; |
| 1524 | di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; |
| 1525 | di->udi_config = dev->ud_config; |
| 1526 | di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; |
| 1527 | di->udi_speed = dev->ud_speed; |
| 1528 | |
| 1529 | if (dev->ud_subdevlen > 0) { |
| 1530 | for (i = 0, j = 0; i < dev->ud_subdevlen && |
| 1531 | j < USB_MAX_DEVNAMES; i++) { |
| 1532 | if (!dev->ud_subdevs[i]) |
| 1533 | continue; |
| 1534 | strncpy(di->udi_devnames[j], |
| 1535 | device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); |
| 1536 | di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; |
| 1537 | j++; |
| 1538 | } |
| 1539 | } else { |
| 1540 | j = 0; |
| 1541 | } |
| 1542 | for (/* j is set */; j < USB_MAX_DEVNAMES; j++) |
| 1543 | di->udi_devnames[j][0] = 0; /* empty */ |
| 1544 | |
| 1545 | if (!dev->ud_hub) { |
| 1546 | di->udi_nports = 0; |
| 1547 | return; |
| 1548 | } |
| 1549 | |
| 1550 | const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts; |
| 1551 | for (i = 0; i < __arraycount(di->udi_ports) && i < nports; i++) { |
| 1552 | p = &dev->ud_hub->uh_ports[i]; |
| 1553 | if (p->up_dev) |
| 1554 | err = p->up_dev->ud_addr; |
| 1555 | else { |
| 1556 | int s = UGETW(p->up_status.wPortStatus); |
| 1557 | if (s & UPS_PORT_ENABLED) |
| 1558 | err = USB_PORT_ENABLED; |
| 1559 | else if (s & UPS_SUSPEND) |
| 1560 | err = USB_PORT_SUSPENDED; |
| 1561 | /* |
| 1562 | * Note: UPS_PORT_POWER_SS is available only |
| 1563 | * on 3.x, and UPS_PORT_POWER is available |
| 1564 | * only on 2.0 or 1.1. |
| 1565 | */ |
| 1566 | else if (USB_IS_SS(dev->ud_speed) && |
| 1567 | (s & UPS_PORT_POWER_SS)) |
| 1568 | err = USB_PORT_POWERED; |
| 1569 | else if (s & UPS_PORT_POWER) |
| 1570 | err = USB_PORT_POWERED; |
| 1571 | else |
| 1572 | err = USB_PORT_DISABLED; |
| 1573 | } |
| 1574 | di->udi_ports[i] = err; |
| 1575 | } |
| 1576 | di->udi_nports = nports; |
| 1577 | } |
| 1578 | |
| 1579 | #ifdef COMPAT_30 |
| 1580 | void |
| 1581 | usbd_fill_deviceinfo_old(struct usbd_device *dev, struct usb_device_info_old *di, |
| 1582 | int usedev) |
| 1583 | { |
| 1584 | struct usbd_port *p; |
| 1585 | int i, j, err; |
| 1586 | |
| 1587 | di->udi_bus = device_unit(dev->ud_bus->ub_usbctl); |
| 1588 | di->udi_addr = dev->ud_addr; |
| 1589 | di->udi_cookie = dev->ud_cookie; |
| 1590 | usbd_devinfo_vp(dev, di->udi_vendor, sizeof(di->udi_vendor), |
| 1591 | di->udi_product, sizeof(di->udi_product), usedev, 0); |
| 1592 | usbd_printBCD(di->udi_release, sizeof(di->udi_release), |
| 1593 | UGETW(dev->ud_ddesc.bcdDevice)); |
| 1594 | di->udi_vendorNo = UGETW(dev->ud_ddesc.idVendor); |
| 1595 | di->udi_productNo = UGETW(dev->ud_ddesc.idProduct); |
| 1596 | di->udi_releaseNo = UGETW(dev->ud_ddesc.bcdDevice); |
| 1597 | di->udi_class = dev->ud_ddesc.bDeviceClass; |
| 1598 | di->udi_subclass = dev->ud_ddesc.bDeviceSubClass; |
| 1599 | di->udi_protocol = dev->ud_ddesc.bDeviceProtocol; |
| 1600 | di->udi_config = dev->ud_config; |
| 1601 | di->udi_power = dev->ud_selfpowered ? 0 : dev->ud_power; |
| 1602 | di->udi_speed = dev->ud_speed; |
| 1603 | |
| 1604 | if (dev->ud_subdevlen > 0) { |
| 1605 | for (i = 0, j = 0; i < dev->ud_subdevlen && |
| 1606 | j < USB_MAX_DEVNAMES; i++) { |
| 1607 | if (!dev->ud_subdevs[i]) |
| 1608 | continue; |
| 1609 | strncpy(di->udi_devnames[j], |
| 1610 | device_xname(dev->ud_subdevs[i]), USB_MAX_DEVNAMELEN); |
| 1611 | di->udi_devnames[j][USB_MAX_DEVNAMELEN-1] = '\0'; |
| 1612 | j++; |
| 1613 | } |
| 1614 | } else { |
| 1615 | j = 0; |
| 1616 | } |
| 1617 | for (/* j is set */; j < USB_MAX_DEVNAMES; j++) |
| 1618 | di->udi_devnames[j][0] = 0; /* empty */ |
| 1619 | |
| 1620 | if (!dev->ud_hub) { |
| 1621 | di->udi_nports = 0; |
| 1622 | return; |
| 1623 | } |
| 1624 | |
| 1625 | const int nports = dev->ud_hub->uh_hubdesc.bNbrPorts; |
| 1626 | for (i = 0; i < __arraycount(di->udi_ports) && i < nports; |
| 1627 | i++) { |
| 1628 | p = &dev->ud_hub->uh_ports[i]; |
| 1629 | if (p->up_dev) |
| 1630 | err = p->up_dev->ud_addr; |
| 1631 | else { |
| 1632 | int s = UGETW(p->up_status.wPortStatus); |
| 1633 | if (s & UPS_PORT_ENABLED) |
| 1634 | err = USB_PORT_ENABLED; |
| 1635 | else if (s & UPS_SUSPEND) |
| 1636 | err = USB_PORT_SUSPENDED; |
| 1637 | else if (s & UPS_PORT_POWER) |
| 1638 | err = USB_PORT_POWERED; |
| 1639 | else |
| 1640 | err = USB_PORT_DISABLED; |
| 1641 | } |
| 1642 | di->udi_ports[i] = err; |
| 1643 | } |
| 1644 | di->udi_nports = nports; |
| 1645 | } |
| 1646 | #endif |
| 1647 | |
| 1648 | |
| 1649 | void |
| 1650 | usb_free_device(struct usbd_device *dev) |
| 1651 | { |
| 1652 | int ifcidx, nifc; |
| 1653 | |
| 1654 | if (dev->ud_pipe0 != NULL) |
| 1655 | usbd_kill_pipe(dev->ud_pipe0); |
| 1656 | if (dev->ud_ifaces != NULL) { |
| 1657 | nifc = dev->ud_cdesc->bNumInterface; |
| 1658 | for (ifcidx = 0; ifcidx < nifc; ifcidx++) |
| 1659 | usbd_free_iface_data(dev, ifcidx); |
| 1660 | kmem_free(dev->ud_ifaces, |
| 1661 | nifc * sizeof(struct usbd_interface)); |
| 1662 | } |
| 1663 | if (dev->ud_cdesc != NULL) |
| 1664 | kmem_free(dev->ud_cdesc, UGETW(dev->ud_cdesc->wTotalLength)); |
| 1665 | if (dev->ud_bdesc != NULL) |
| 1666 | kmem_free(dev->ud_bdesc, UGETW(dev->ud_bdesc->wTotalLength)); |
| 1667 | if (dev->ud_subdevlen > 0) { |
| 1668 | kmem_free(dev->ud_subdevs, |
| 1669 | dev->ud_subdevlen * sizeof(device_t)); |
| 1670 | dev->ud_subdevlen = 0; |
| 1671 | } |
| 1672 | if (dev->ud_vendor) { |
| 1673 | kmem_free(dev->ud_vendor, USB_MAX_ENCODED_STRING_LEN); |
| 1674 | } |
| 1675 | if (dev->ud_product) { |
| 1676 | kmem_free(dev->ud_product, USB_MAX_ENCODED_STRING_LEN); |
| 1677 | } |
| 1678 | if (dev->ud_serial) { |
| 1679 | kmem_free(dev->ud_serial, USB_MAX_ENCODED_STRING_LEN); |
| 1680 | } |
| 1681 | kmem_free(dev, sizeof(*dev)); |
| 1682 | } |
| 1683 | |
| 1684 | /* |
| 1685 | * The general mechanism for detaching drivers works as follows: Each |
| 1686 | * driver is responsible for maintaining a reference count on the |
| 1687 | * number of outstanding references to its softc (e.g. from |
| 1688 | * processing hanging in a read or write). The detach method of the |
| 1689 | * driver decrements this counter and flags in the softc that the |
| 1690 | * driver is dying and then wakes any sleepers. It then sleeps on the |
| 1691 | * softc. Each place that can sleep must maintain the reference |
| 1692 | * count. When the reference count drops to -1 (0 is the normal value |
| 1693 | * of the reference count) the a wakeup on the softc is performed |
| 1694 | * signaling to the detach waiter that all references are gone. |
| 1695 | */ |
| 1696 | |
| 1697 | /* |
| 1698 | * Called from process context when we discover that a port has |
| 1699 | * been disconnected. |
| 1700 | */ |
| 1701 | int |
| 1702 | usb_disconnect_port(struct usbd_port *up, device_t parent, int flags) |
| 1703 | { |
| 1704 | USBHIST_FUNC(); USBHIST_CALLED(usbdebug); |
| 1705 | struct usbd_device *dev = up->up_dev; |
| 1706 | device_t subdev; |
| 1707 | char subdevname[16]; |
| 1708 | const char *hubname = device_xname(parent); |
| 1709 | int i, rc; |
| 1710 | |
| 1711 | DPRINTFN(3, "up=%p dev=%p port=%d" , up, dev, up->up_portno, 0); |
| 1712 | |
| 1713 | if (dev == NULL) { |
| 1714 | return 0; |
| 1715 | } |
| 1716 | |
| 1717 | if (dev->ud_subdevlen > 0) { |
| 1718 | DPRINTFN(3, "disconnect subdevs" , 0, 0, 0, 0); |
| 1719 | for (i = 0; i < dev->ud_subdevlen; i++) { |
| 1720 | if ((subdev = dev->ud_subdevs[i]) == NULL) |
| 1721 | continue; |
| 1722 | strlcpy(subdevname, device_xname(subdev), |
| 1723 | sizeof(subdevname)); |
| 1724 | if ((rc = config_detach(subdev, flags)) != 0) |
| 1725 | return rc; |
| 1726 | printf("%s: at %s" , subdevname, hubname); |
| 1727 | if (up->up_portno != 0) |
| 1728 | printf(" port %d" , up->up_portno); |
| 1729 | printf(" (addr %d) disconnected\n" , dev->ud_addr); |
| 1730 | } |
| 1731 | KASSERT(!dev->ud_nifaces_claimed); |
| 1732 | } |
| 1733 | |
| 1734 | usbd_add_dev_event(USB_EVENT_DEVICE_DETACH, dev); |
| 1735 | dev->ud_bus->ub_devices[dev->ud_addr] = NULL; |
| 1736 | up->up_dev = NULL; |
| 1737 | usb_free_device(dev); |
| 1738 | return 0; |
| 1739 | } |
| 1740 | |