umass.c revision 1.89
1 /* $NetBSD: umass.c,v 1.89 2002/09/27 15:37:37 provos Exp $ */ 2 /*- 3 * Copyright (c) 1999 MAEKAWA Masahide <bishop (at) rr.iij4u.or.jp>, 4 * Nick Hibma <n_hibma (at) freebsd.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD: src/sys/dev/usb/umass.c,v 1.13 2000/03/26 01:39:12 n_hibma Exp $ 29 */ 30 31 /* 32 * Universal Serial Bus Mass Storage Class specs: 33 * http://www.usb.org/developers/data/devclass/usbmassover_11.pdf 34 * http://www.usb.org/developers/data/devclass/usbmassbulk_10.pdf 35 * http://www.usb.org/developers/data/devclass/usbmass-cbi10.pdf 36 * http://www.usb.org/developers/data/devclass/usbmass-ufi10.pdf 37 */ 38 39 /* 40 * Ported to NetBSD by Lennart Augustsson <augustss (at) netbsd.org>. 41 * Parts of the code written my Jason R. Thorpe <thorpej (at) shagadelic.org>. 42 */ 43 44 /* 45 * The driver handles 3 Wire Protocols 46 * - Command/Bulk/Interrupt (CBI) 47 * - Command/Bulk/Interrupt with Command Completion Interrupt (CBI with CCI) 48 * - Mass Storage Bulk-Only (BBB) 49 * (BBB refers Bulk/Bulk/Bulk for Command/Data/Status phases) 50 * 51 * Over these wire protocols it handles the following command protocols 52 * - SCSI 53 * - 8070 (ATA/ATAPI for rewritable removable media) 54 * - UFI (USB Floppy Interface) 55 * 56 * 8070i is a transformed version of the SCSI command set. UFI is a transformed 57 * version of the 8070i command set. The sc->transform method is used to 58 * convert the commands into the appropriate format (if at all necessary). 59 * For example, ATAPI requires all commands to be 12 bytes in length amongst 60 * other things. 61 * 62 * The source code below is marked and can be split into a number of pieces 63 * (in this order): 64 * 65 * - probe/attach/detach 66 * - generic transfer routines 67 * - BBB 68 * - CBI 69 * - CBI_I (in addition to functions from CBI) 70 * - CAM (Common Access Method) 71 * - SCSI 72 * - UFI 73 * - 8070i 74 * 75 * The protocols are implemented using a state machine, for the transfers as 76 * well as for the resets. The state machine is contained in umass_*_state. 77 * The state machine is started through either umass_*_transfer or 78 * umass_*_reset. 79 * 80 * The reason for doing this is a) CAM performs a lot better this way and b) it 81 * avoids using tsleep from interrupt context (for example after a failed 82 * transfer). 83 */ 84 85 /* 86 * The SCSI related part of this driver has been derived from the 87 * dev/ppbus/vpo.c driver, by Nicolas Souchu (nsouch (at) freebsd.org). 88 * 89 * The CAM layer uses so called actions which are messages sent to the host 90 * adapter for completion. The actions come in through umass_cam_action. The 91 * appropriate block of routines is called depending on the transport protocol 92 * in use. When the transfer has finished, these routines call 93 * umass_cam_cb again to complete the CAM command. 94 */ 95 96 #include <sys/cdefs.h> 97 __KERNEL_RCSID(0, "$NetBSD: umass.c,v 1.89 2002/09/27 15:37:37 provos Exp $"); 98 99 #include "atapibus.h" 100 #include "scsibus.h" 101 #include "wd.h" 102 103 #include <sys/param.h> 104 #include <sys/systm.h> 105 #include <sys/kernel.h> 106 #include <sys/conf.h> 107 #if defined(__NetBSD__) || defined(__OpenBSD__) 108 #include <sys/buf.h> 109 #include <sys/device.h> 110 #include <sys/ioctl.h> 111 #include <sys/malloc.h> 112 #undef KASSERT 113 #define KASSERT(cond, msg) 114 #elif defined(__FreeBSD__) 115 #include <sys/module.h> 116 #include <sys/bus.h> 117 #include <machine/clock.h> 118 #endif 119 120 #include <dev/usb/usb.h> 121 #include <dev/usb/usbdi.h> 122 #include <dev/usb/usbdi_util.h> 123 #include <dev/usb/usbdevs.h> 124 125 #include <dev/usb/umassvar.h> 126 #include <dev/usb/umass_quirks.h> 127 #include <dev/usb/umass_scsipi.h> 128 #include <dev/usb/umass_isdata.h> 129 130 131 #ifdef UMASS_DEBUG 132 int umassdebug = 0; 133 134 char *states[TSTATE_STATES+1] = { 135 /* should be kept in sync with the list at transfer_state */ 136 "Idle", 137 "BBB CBW", 138 "BBB Data", 139 "BBB Data bulk-in/-out clear stall", 140 "BBB CSW, 1st attempt", 141 "BBB CSW bulk-in clear stall", 142 "BBB CSW, 2nd attempt", 143 "BBB Reset", 144 "BBB bulk-in clear stall", 145 "BBB bulk-out clear stall", 146 "CBI Command", 147 "CBI Data", 148 "CBI Status", 149 "CBI Data bulk-in/-out clear stall", 150 "CBI Status intr-in clear stall", 151 "CBI Reset", 152 "CBI bulk-in clear stall", 153 "CBI bulk-out clear stall", 154 NULL 155 }; 156 #endif 157 158 /* USB device probe/attach/detach functions */ 159 USB_DECLARE_DRIVER(umass); 160 Static void umass_disco(struct umass_softc *sc); 161 162 /* generic transfer functions */ 163 Static usbd_status umass_setup_transfer(struct umass_softc *sc, 164 usbd_pipe_handle pipe, 165 void *buffer, int buflen, int flags, 166 usbd_xfer_handle xfer); 167 Static usbd_status umass_setup_ctrl_transfer(struct umass_softc *sc, 168 usb_device_request_t *req, 169 void *buffer, int buflen, int flags, 170 usbd_xfer_handle xfer); 171 Static void umass_clear_endpoint_stall(struct umass_softc *sc, int endpt, 172 usbd_xfer_handle xfer); 173 #if 0 174 Static void umass_reset(struct umass_softc *sc, transfer_cb_f cb, void *priv); 175 #endif 176 177 /* Bulk-Only related functions */ 178 Static void umass_bbb_transfer(struct umass_softc *, int, void *, int, void *, 179 int, int, u_int, umass_callback, void *); 180 Static void umass_bbb_reset(struct umass_softc *, int); 181 Static void umass_bbb_state(usbd_xfer_handle, usbd_private_handle, usbd_status); 182 183 usbd_status umass_bbb_get_max_lun(struct umass_softc *, u_int8_t *); 184 185 /* CBI related functions */ 186 Static void umass_cbi_transfer(struct umass_softc *, int, void *, int, void *, 187 int, int, u_int, umass_callback, void *); 188 Static void umass_cbi_reset(struct umass_softc *, int); 189 Static void umass_cbi_state(usbd_xfer_handle, usbd_private_handle, usbd_status); 190 191 Static int umass_cbi_adsc(struct umass_softc *, char *, int, usbd_xfer_handle); 192 193 const struct umass_wire_methods umass_bbb_methods = { 194 umass_bbb_transfer, 195 umass_bbb_reset, 196 umass_bbb_state 197 }; 198 199 const struct umass_wire_methods umass_cbi_methods = { 200 umass_cbi_transfer, 201 umass_cbi_reset, 202 umass_cbi_state 203 }; 204 205 #ifdef UMASS_DEBUG 206 /* General debugging functions */ 207 Static void umass_bbb_dump_cbw(struct umass_softc *sc, 208 umass_bbb_cbw_t *cbw); 209 Static void umass_bbb_dump_csw(struct umass_softc *sc, 210 umass_bbb_csw_t *csw); 211 Static void umass_dump_buffer(struct umass_softc *sc, u_int8_t *buffer, 212 int buflen, int printlen); 213 #endif 214 215 216 /* 217 * USB device probe/attach/detach 218 */ 219 220 USB_MATCH(umass) 221 { 222 USB_MATCH_START(umass, uaa); 223 const struct umass_quirk *quirk; 224 usb_interface_descriptor_t *id; 225 226 if (uaa->iface == NULL) 227 return (UMATCH_NONE); 228 229 quirk = umass_lookup(uaa->vendor, uaa->product); 230 if (quirk != NULL) 231 return (quirk->uq_match); 232 233 id = usbd_get_interface_descriptor(uaa->iface); 234 if (id == NULL || id->bInterfaceClass != UICLASS_MASS) 235 return (UMATCH_NONE); 236 237 switch (id->bInterfaceSubClass) { 238 case UISUBCLASS_RBC: 239 case UISUBCLASS_SFF8020I: 240 case UISUBCLASS_QIC157: 241 case UISUBCLASS_UFI: 242 case UISUBCLASS_SFF8070I: 243 case UISUBCLASS_SCSI: 244 break; 245 default: 246 return (UMATCH_IFACECLASS); 247 } 248 249 switch (id->bInterfaceProtocol) { 250 case UIPROTO_MASS_CBI_I: 251 case UIPROTO_MASS_CBI: 252 case UIPROTO_MASS_BBB_OLD: 253 case UIPROTO_MASS_BBB: 254 break; 255 default: 256 return (UMATCH_IFACECLASS_IFACESUBCLASS); 257 } 258 259 return (UMATCH_IFACECLASS_IFACESUBCLASS_IFACEPROTO); 260 } 261 262 USB_ATTACH(umass) 263 { 264 USB_ATTACH_START(umass, sc, uaa); 265 const struct umass_quirk *quirk; 266 usb_interface_descriptor_t *id; 267 usb_endpoint_descriptor_t *ed; 268 const char *sWire, *sCommand; 269 char devinfo[1024]; 270 usbd_status err; 271 int i, bno, error; 272 273 usbd_devinfo(uaa->device, 0, devinfo); 274 USB_ATTACH_SETUP; 275 276 sc->sc_udev = uaa->device; 277 sc->sc_iface = uaa->iface; 278 sc->sc_ifaceno = uaa->ifaceno; 279 280 quirk = umass_lookup(uaa->vendor, uaa->product); 281 if (quirk != NULL) { 282 sc->sc_wire = quirk->uq_wire; 283 sc->sc_cmd = quirk->uq_cmd; 284 sc->sc_quirks = quirk->uq_flags; 285 sc->sc_busquirks = quirk->uq_busquirks; 286 287 if (quirk->uq_fixup != NULL) 288 (*quirk->uq_fixup)(sc); 289 } else { 290 sc->sc_wire = UMASS_WPROTO_UNSPEC; 291 sc->sc_cmd = UMASS_CPROTO_UNSPEC; 292 sc->sc_quirks = 0; 293 sc->sc_busquirks = 0; 294 } 295 296 id = usbd_get_interface_descriptor(sc->sc_iface); 297 if (id == NULL) 298 USB_ATTACH_ERROR_RETURN; 299 300 if (sc->sc_wire == UMASS_WPROTO_UNSPEC) { 301 switch (id->bInterfaceProtocol) { 302 case UIPROTO_MASS_CBI: 303 sc->sc_wire = UMASS_WPROTO_CBI; 304 break; 305 case UIPROTO_MASS_CBI_I: 306 sc->sc_wire = UMASS_WPROTO_CBI_I; 307 break; 308 case UIPROTO_MASS_BBB: 309 case UIPROTO_MASS_BBB_OLD: 310 sc->sc_wire = UMASS_WPROTO_BBB; 311 break; 312 default: 313 DPRINTF(UDMASS_GEN, 314 ("%s: Unsupported wire protocol %u\n", 315 USBDEVNAME(sc->sc_dev), 316 id->bInterfaceProtocol)); 317 USB_ATTACH_ERROR_RETURN; 318 } 319 } 320 321 /* XXX - Now unsupported CBI with CCI */ 322 if (sc->sc_wire == UMASS_WPROTO_CBI_I) 323 sc->sc_wire = UMASS_WPROTO_CBI; 324 325 if (sc->sc_cmd == UMASS_CPROTO_UNSPEC) { 326 switch (id->bInterfaceSubClass) { 327 case UISUBCLASS_SCSI: 328 sc->sc_cmd = UMASS_CPROTO_SCSI; 329 break; 330 case UISUBCLASS_UFI: 331 sc->sc_cmd = UMASS_CPROTO_UFI; 332 break; 333 case UISUBCLASS_SFF8020I: 334 case UISUBCLASS_SFF8070I: 335 case UISUBCLASS_QIC157: 336 sc->sc_cmd = UMASS_CPROTO_ATAPI; 337 break; 338 case UISUBCLASS_RBC: 339 sc->sc_cmd = UMASS_CPROTO_RBC; 340 break; 341 default: 342 DPRINTF(UDMASS_GEN, 343 ("%s: Unsupported command protocol %u\n", 344 USBDEVNAME(sc->sc_dev), 345 id->bInterfaceSubClass)); 346 USB_ATTACH_ERROR_RETURN; 347 } 348 } 349 350 printf("%s: %s\n", USBDEVNAME(sc->sc_dev), devinfo); 351 352 switch (sc->sc_wire) { 353 case UMASS_WPROTO_CBI: 354 sWire = "CBI"; 355 break; 356 case UMASS_WPROTO_CBI_I: 357 sWire = "CBI with CCI"; 358 break; 359 case UMASS_WPROTO_BBB: 360 sWire = "Bulk-Only"; 361 break; 362 default: 363 sWire = "unknown"; 364 break; 365 } 366 367 switch (sc->sc_cmd) { 368 case UMASS_CPROTO_RBC: 369 sCommand = "RBC"; 370 break; 371 case UMASS_CPROTO_SCSI: 372 sCommand = "SCSI"; 373 break; 374 case UMASS_CPROTO_UFI: 375 sCommand = "UFI"; 376 break; 377 case UMASS_CPROTO_ATAPI: 378 sCommand = "ATAPI"; 379 break; 380 case UMASS_CPROTO_ISD_ATA: 381 sCommand = "ISD-ATA"; 382 break; 383 default: 384 sCommand = "unknown"; 385 break; 386 } 387 388 printf("%s: using %s over %s\n", USBDEVNAME(sc->sc_dev), sCommand, 389 sWire); 390 391 /* 392 * In addition to the Control endpoint the following endpoints 393 * are required: 394 * a) bulk-in endpoint. 395 * b) bulk-out endpoint. 396 * and for Control/Bulk/Interrupt with CCI (CBI_I) 397 * c) intr-in 398 * 399 * The endpoint addresses are not fixed, so we have to read them 400 * from the device descriptors of the current interface. 401 */ 402 for (i = 0 ; i < id->bNumEndpoints ; i++) { 403 ed = usbd_interface2endpoint_descriptor(sc->sc_iface, i); 404 if (ed == NULL) { 405 printf("%s: could not read endpoint descriptor\n", 406 USBDEVNAME(sc->sc_dev)); 407 USB_ATTACH_ERROR_RETURN; 408 } 409 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN 410 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 411 sc->sc_epaddr[UMASS_BULKIN] = ed->bEndpointAddress; 412 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT 413 && (ed->bmAttributes & UE_XFERTYPE) == UE_BULK) { 414 sc->sc_epaddr[UMASS_BULKOUT] = ed->bEndpointAddress; 415 } else if (sc->sc_wire == UMASS_WPROTO_CBI_I 416 && UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN 417 && (ed->bmAttributes & UE_XFERTYPE) == UE_INTERRUPT) { 418 sc->sc_epaddr[UMASS_INTRIN] = ed->bEndpointAddress; 419 #ifdef UMASS_DEBUG 420 if (UGETW(ed->wMaxPacketSize) > 2) { 421 DPRINTF(UDMASS_CBI, ("%s: intr size is %d\n", 422 USBDEVNAME(sc->sc_dev), 423 UGETW(ed->wMaxPacketSize))); 424 } 425 #endif 426 } 427 } 428 429 /* check whether we found all the endpoints we need */ 430 if (!sc->sc_epaddr[UMASS_BULKIN] || !sc->sc_epaddr[UMASS_BULKOUT] || 431 (sc->sc_wire == UMASS_WPROTO_CBI_I && 432 !sc->sc_epaddr[UMASS_INTRIN])) { 433 DPRINTF(UDMASS_USB, ("%s: endpoint not found %u/%u/%u\n", 434 USBDEVNAME(sc->sc_dev), sc->sc_epaddr[UMASS_BULKIN], 435 sc->sc_epaddr[UMASS_BULKOUT], 436 sc->sc_epaddr[UMASS_INTRIN])); 437 USB_ATTACH_ERROR_RETURN; 438 } 439 440 /* 441 * Get the maximum LUN supported by the device. 442 */ 443 if (sc->sc_wire == UMASS_WPROTO_BBB && 444 !(sc->sc_quirks & UMASS_QUIRK_NO_MAX_LUN)) { 445 err = umass_bbb_get_max_lun(sc, &sc->maxlun); 446 if (err) { 447 printf("%s: unable to get Max Lun: %s\n", 448 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 449 USB_ATTACH_ERROR_RETURN; 450 } 451 } else { 452 sc->maxlun = 0; 453 } 454 455 /* Open the bulk-in and -out pipe */ 456 err = usbd_open_pipe(sc->sc_iface, sc->sc_epaddr[UMASS_BULKOUT], 457 USBD_EXCLUSIVE_USE, 458 &sc->sc_pipe[UMASS_BULKOUT]); 459 if (err) { 460 DPRINTF(UDMASS_USB, ("%s: cannot open %u-out pipe (bulk)\n", 461 USBDEVNAME(sc->sc_dev), sc->sc_epaddr[UMASS_BULKOUT])); 462 umass_disco(sc); 463 USB_ATTACH_ERROR_RETURN; 464 } 465 err = usbd_open_pipe(sc->sc_iface, sc->sc_epaddr[UMASS_BULKIN], 466 USBD_EXCLUSIVE_USE, &sc->sc_pipe[UMASS_BULKIN]); 467 if (err) { 468 DPRINTF(UDMASS_USB, ("%s: could not open %u-in pipe (bulk)\n", 469 USBDEVNAME(sc->sc_dev), sc->sc_epaddr[UMASS_BULKIN])); 470 umass_disco(sc); 471 USB_ATTACH_ERROR_RETURN; 472 } 473 /* 474 * Open the intr-in pipe if the protocol is CBI with CCI. 475 * Note: early versions of the Zip drive do have an interrupt pipe, but 476 * this pipe is unused 477 * 478 * We do not open the interrupt pipe as an interrupt pipe, but as a 479 * normal bulk endpoint. We send an IN transfer down the wire at the 480 * appropriate time, because we know exactly when to expect data on 481 * that endpoint. This saves bandwidth, but more important, makes the 482 * code for handling the data on that endpoint simpler. No data 483 * arriving concurrently. 484 */ 485 if (sc->sc_wire == UMASS_WPROTO_CBI_I) { 486 err = usbd_open_pipe(sc->sc_iface, sc->sc_epaddr[UMASS_INTRIN], 487 USBD_EXCLUSIVE_USE, &sc->sc_pipe[UMASS_INTRIN]); 488 if (err) { 489 DPRINTF(UDMASS_USB, ("%s: couldn't open %u-in (intr)\n", 490 USBDEVNAME(sc->sc_dev), 491 sc->sc_epaddr[UMASS_INTRIN])); 492 umass_disco(sc); 493 USB_ATTACH_ERROR_RETURN; 494 } 495 } 496 497 /* initialisation of generic part */ 498 sc->transfer_state = TSTATE_IDLE; 499 500 /* request a sufficient number of xfer handles */ 501 for (i = 0; i < XFER_NR; i++) { 502 sc->transfer_xfer[i] = usbd_alloc_xfer(uaa->device); 503 if (sc->transfer_xfer[i] == 0) { 504 DPRINTF(UDMASS_USB, ("%s: Out of memory\n", 505 USBDEVNAME(sc->sc_dev))); 506 umass_disco(sc); 507 USB_ATTACH_ERROR_RETURN; 508 } 509 } 510 /* Allocate buffer for data transfer (it's huge). */ 511 switch (sc->sc_wire) { 512 case UMASS_WPROTO_BBB: 513 bno = XFER_BBB_DATA; 514 goto dalloc; 515 case UMASS_WPROTO_CBI: 516 bno = XFER_CBI_DATA; 517 goto dalloc; 518 case UMASS_WPROTO_CBI_I: 519 bno = XFER_CBI_DATA; 520 dalloc: 521 sc->data_buffer = usbd_alloc_buffer(sc->transfer_xfer[bno], 522 UMASS_MAX_TRANSFER_SIZE); 523 if (sc->data_buffer == NULL) { 524 umass_disco(sc); 525 USB_ATTACH_ERROR_RETURN; 526 } 527 break; 528 default: 529 break; 530 } 531 532 /* Initialise the wire protocol specific methods */ 533 switch (sc->sc_wire) { 534 case UMASS_WPROTO_BBB: 535 sc->sc_methods = &umass_bbb_methods; 536 break; 537 case UMASS_WPROTO_CBI: 538 case UMASS_WPROTO_CBI_I: 539 sc->sc_methods = &umass_cbi_methods; 540 break; 541 default: 542 umass_disco(sc); 543 USB_ATTACH_ERROR_RETURN; 544 } 545 546 if (quirk != NULL && quirk->uq_init != NULL) { 547 err = (*quirk->uq_init)(sc); 548 if (err) { 549 umass_disco(sc); 550 USB_ATTACH_ERROR_RETURN; 551 } 552 } 553 554 error = 0; 555 switch (sc->sc_cmd) { 556 case UMASS_CPROTO_RBC: 557 case UMASS_CPROTO_SCSI: 558 #if NSCSIBUS > 0 559 error = umass_scsi_attach(sc); 560 #else 561 printf("%s: atapibus not configured\n", USBDEVNAME(sc->sc_dev)); 562 #endif 563 break; 564 565 case UMASS_CPROTO_UFI: 566 case UMASS_CPROTO_ATAPI: 567 #if NATAPIBUS > 0 568 error = umass_atapi_attach(sc); 569 #else 570 printf("%s: scsibus not configured\n", USBDEVNAME(sc->sc_dev)); 571 #endif 572 break; 573 574 case UMASS_CPROTO_ISD_ATA: 575 #if NWD > 0 576 error = umass_isdata_attach(sc); 577 #else 578 printf("%s: isdata not configured\n", USBDEVNAME(sc->sc_dev)); 579 #endif 580 break; 581 582 default: 583 printf("%s: command protocol=0x%x not supported\n", 584 USBDEVNAME(sc->sc_dev), sc->sc_cmd); 585 umass_disco(sc); 586 USB_ATTACH_ERROR_RETURN; 587 } 588 if (error) { 589 printf("%s: bus attach failed\n", USBDEVNAME(sc->sc_dev)); 590 umass_disco(sc); 591 USB_ATTACH_ERROR_RETURN; 592 } 593 594 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, 595 USBDEV(sc->sc_dev)); 596 597 DPRINTF(UDMASS_GEN, ("%s: Attach finished\n", USBDEVNAME(sc->sc_dev))); 598 599 USB_ATTACH_SUCCESS_RETURN; 600 } 601 602 USB_DETACH(umass) 603 { 604 USB_DETACH_START(umass, sc); 605 struct umassbus_softc *scbus = sc->bus; 606 int rv = 0, i; 607 608 DPRINTF(UDMASS_USB, ("%s: detached\n", USBDEVNAME(sc->sc_dev))); 609 610 /* Abort the pipes to wake up any waiting processes. */ 611 for (i = 0 ; i < UMASS_NEP ; i++) { 612 if (sc->sc_pipe[i] != NULL) 613 usbd_abort_pipe(sc->sc_pipe[i]); 614 } 615 616 #if 0 617 /* Do we really need reference counting? Perhaps in ioctl() */ 618 s = splusb(); 619 if (--sc->sc_refcnt >= 0) { 620 /* Wait for processes to go away. */ 621 usb_detach_wait(USBDEV(sc->sc_dev)); 622 } 623 splx(s); 624 #endif 625 626 if (scbus != NULL) { 627 if (scbus->sc_child != NULL) 628 rv = config_detach(scbus->sc_child, flags); 629 free(scbus, M_DEVBUF); 630 sc->bus = NULL; 631 } 632 633 if (rv != 0) 634 return (rv); 635 636 umass_disco(sc); 637 638 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 639 USBDEV(sc->sc_dev)); 640 641 return (rv); 642 } 643 644 int 645 umass_activate(struct device *dev, enum devact act) 646 { 647 struct umass_softc *sc = (struct umass_softc *)dev; 648 struct umassbus_softc *scbus = sc->bus; 649 int rv = 0; 650 651 DPRINTF(UDMASS_USB, ("%s: umass_activate: %d\n", 652 USBDEVNAME(sc->sc_dev), act)); 653 654 switch (act) { 655 case DVACT_ACTIVATE: 656 rv = EOPNOTSUPP; 657 break; 658 659 case DVACT_DEACTIVATE: 660 sc->sc_dying = 1; 661 if (scbus == NULL || scbus->sc_child == NULL) 662 break; 663 rv = config_deactivate(scbus->sc_child); 664 DPRINTF(UDMASS_USB, ("%s: umass_activate: child " 665 "returned %d\n", USBDEVNAME(sc->sc_dev), rv)); 666 break; 667 } 668 return (rv); 669 } 670 671 Static void 672 umass_disco(struct umass_softc *sc) 673 { 674 int i; 675 676 DPRINTF(UDMASS_GEN, ("umass_disco\n")); 677 678 /* Free the xfers. */ 679 for (i = 0; i < XFER_NR; i++) 680 if (sc->transfer_xfer[i] != NULL) { 681 usbd_free_xfer(sc->transfer_xfer[i]); 682 sc->transfer_xfer[i] = NULL; 683 } 684 685 /* Remove all the pipes. */ 686 for (i = 0 ; i < UMASS_NEP ; i++) { 687 if (sc->sc_pipe[i] != NULL) 688 usbd_close_pipe(sc->sc_pipe[i]); 689 } 690 } 691 692 /* 693 * Generic functions to handle transfers 694 */ 695 696 Static usbd_status 697 umass_setup_transfer(struct umass_softc *sc, usbd_pipe_handle pipe, 698 void *buffer, int buflen, int flags, 699 usbd_xfer_handle xfer) 700 { 701 usbd_status err; 702 703 if (sc->sc_dying) 704 return (USBD_IOERROR); 705 706 /* Initialiase a USB transfer and then schedule it */ 707 708 usbd_setup_xfer(xfer, pipe, (void *)sc, buffer, buflen, 709 flags | sc->sc_xfer_flags, sc->timeout, sc->sc_methods->wire_state); 710 711 err = usbd_transfer(xfer); 712 DPRINTF(UDMASS_XFER,("%s: start xfer buffer=%p buflen=%d flags=0x%x " 713 "timeout=%d\n", USBDEVNAME(sc->sc_dev), 714 buffer, buflen, flags | sc->sc_xfer_flags, sc->timeout)); 715 if (err && err != USBD_IN_PROGRESS) { 716 DPRINTF(UDMASS_BBB, ("%s: failed to setup transfer, %s\n", 717 USBDEVNAME(sc->sc_dev), usbd_errstr(err))); 718 return (err); 719 } 720 721 return (USBD_NORMAL_COMPLETION); 722 } 723 724 725 Static usbd_status 726 umass_setup_ctrl_transfer(struct umass_softc *sc, usb_device_request_t *req, 727 void *buffer, int buflen, int flags, usbd_xfer_handle xfer) 728 { 729 usbd_status err; 730 731 if (sc->sc_dying) 732 return (USBD_IOERROR); 733 734 /* Initialiase a USB control transfer and then schedule it */ 735 736 usbd_setup_default_xfer(xfer, sc->sc_udev, (void *) sc, sc->timeout, 737 req, buffer, buflen, flags, sc->sc_methods->wire_state); 738 739 err = usbd_transfer(xfer); 740 if (err && err != USBD_IN_PROGRESS) { 741 DPRINTF(UDMASS_BBB, ("%s: failed to setup ctrl transfer, %s\n", 742 USBDEVNAME(sc->sc_dev), usbd_errstr(err))); 743 744 /* do not reset, as this would make us loop */ 745 return (err); 746 } 747 748 return (USBD_NORMAL_COMPLETION); 749 } 750 751 Static void 752 umass_clear_endpoint_stall(struct umass_softc *sc, int endpt, 753 usbd_xfer_handle xfer) 754 { 755 if (sc->sc_dying) 756 return; 757 758 DPRINTF(UDMASS_BBB, ("%s: Clear endpoint 0x%02x stall\n", 759 USBDEVNAME(sc->sc_dev), sc->sc_epaddr[endpt])); 760 761 usbd_clear_endpoint_toggle(sc->sc_pipe[endpt]); 762 763 sc->sc_req.bmRequestType = UT_WRITE_ENDPOINT; 764 sc->sc_req.bRequest = UR_CLEAR_FEATURE; 765 USETW(sc->sc_req.wValue, UF_ENDPOINT_HALT); 766 USETW(sc->sc_req.wIndex, sc->sc_epaddr[endpt]); 767 USETW(sc->sc_req.wLength, 0); 768 umass_setup_ctrl_transfer(sc, &sc->sc_req, NULL, 0, 0, xfer); 769 } 770 771 #if 0 772 Static void 773 umass_reset(struct umass_softc *sc, transfer_cb_f cb, void *priv) 774 { 775 sc->transfer_cb = cb; 776 sc->transfer_priv = priv; 777 778 /* The reset is a forced reset, so no error (yet) */ 779 sc->reset(sc, STATUS_CMD_OK); 780 } 781 #endif 782 783 /* 784 * Bulk protocol specific functions 785 */ 786 787 Static void 788 umass_bbb_reset(struct umass_softc *sc, int status) 789 { 790 KASSERT(sc->sc_wire & UMASS_WPROTO_BBB, 791 ("sc->sc_wire == 0x%02x wrong for umass_bbb_reset\n", 792 sc->sc_wire)); 793 794 if (sc->sc_dying) 795 return; 796 797 /* 798 * Reset recovery (5.3.4 in Universal Serial Bus Mass Storage Class) 799 * 800 * For Reset Recovery the host shall issue in the following order: 801 * a) a Bulk-Only Mass Storage Reset 802 * b) a Clear Feature HALT to the Bulk-In endpoint 803 * c) a Clear Feature HALT to the Bulk-Out endpoint 804 * 805 * This is done in 3 steps, states: 806 * TSTATE_BBB_RESET1 807 * TSTATE_BBB_RESET2 808 * TSTATE_BBB_RESET3 809 * 810 * If the reset doesn't succeed, the device should be port reset. 811 */ 812 813 DPRINTF(UDMASS_BBB, ("%s: Bulk Reset\n", 814 USBDEVNAME(sc->sc_dev))); 815 816 sc->transfer_state = TSTATE_BBB_RESET1; 817 sc->transfer_status = status; 818 819 /* reset is a class specific interface write */ 820 sc->sc_req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 821 sc->sc_req.bRequest = UR_BBB_RESET; 822 USETW(sc->sc_req.wValue, 0); 823 USETW(sc->sc_req.wIndex, sc->sc_ifaceno); 824 USETW(sc->sc_req.wLength, 0); 825 umass_setup_ctrl_transfer(sc, &sc->sc_req, NULL, 0, 0, 826 sc->transfer_xfer[XFER_BBB_RESET1]); 827 } 828 829 Static void 830 umass_bbb_transfer(struct umass_softc *sc, int lun, void *cmd, int cmdlen, 831 void *data, int datalen, int dir, u_int timeout, 832 umass_callback cb, void *priv) 833 { 834 static int dCBWtag = 42; /* unique for CBW of transfer */ 835 836 DPRINTF(UDMASS_BBB,("%s: umass_bbb_transfer cmd=0x%02x\n", 837 USBDEVNAME(sc->sc_dev), *(u_char *)cmd)); 838 839 KASSERT(sc->sc_wire & UMASS_WPROTO_BBB, 840 ("sc->sc_wire == 0x%02x wrong for umass_bbb_transfer\n", 841 sc->sc_wire)); 842 843 /* Be a little generous. */ 844 sc->timeout = timeout + USBD_DEFAULT_TIMEOUT; 845 846 /* 847 * Do a Bulk-Only transfer with cmdlen bytes from cmd, possibly 848 * a data phase of datalen bytes from/to the device and finally a 849 * csw read phase. 850 * If the data direction was inbound a maximum of datalen bytes 851 * is stored in the buffer pointed to by data. 852 * 853 * umass_bbb_transfer initialises the transfer and lets the state 854 * machine in umass_bbb_state handle the completion. It uses the 855 * following states: 856 * TSTATE_BBB_COMMAND 857 * -> TSTATE_BBB_DATA 858 * -> TSTATE_BBB_STATUS 859 * -> TSTATE_BBB_STATUS2 860 * -> TSTATE_BBB_IDLE 861 * 862 * An error in any of those states will invoke 863 * umass_bbb_reset. 864 */ 865 866 /* check the given arguments */ 867 KASSERT(datalen == 0 || data != NULL, 868 ("%s: datalen > 0, but no buffer",USBDEVNAME(sc->sc_dev))); 869 KASSERT(cmdlen <= CBWCDBLENGTH, 870 ("%s: cmdlen exceeds CDB length in CBW (%d > %d)", 871 USBDEVNAME(sc->sc_dev), cmdlen, CBWCDBLENGTH)); 872 KASSERT(dir == DIR_NONE || datalen > 0, 873 ("%s: datalen == 0 while direction is not NONE\n", 874 USBDEVNAME(sc->sc_dev))); 875 KASSERT(datalen == 0 || dir != DIR_NONE, 876 ("%s: direction is NONE while datalen is not zero\n", 877 USBDEVNAME(sc->sc_dev))); 878 KASSERT(sizeof(umass_bbb_cbw_t) == UMASS_BBB_CBW_SIZE, 879 ("%s: CBW struct does not have the right size (%d vs. %d)\n", 880 USBDEVNAME(sc->sc_dev), 881 sizeof(umass_bbb_cbw_t), UMASS_BBB_CBW_SIZE)); 882 KASSERT(sizeof(umass_bbb_csw_t) == UMASS_BBB_CSW_SIZE, 883 ("%s: CSW struct does not have the right size (%d vs. %d)\n", 884 USBDEVNAME(sc->sc_dev), 885 sizeof(umass_bbb_csw_t), UMASS_BBB_CSW_SIZE)); 886 887 /* 888 * Determine the direction of the data transfer and the length. 889 * 890 * dCBWDataTransferLength (datalen) : 891 * This field indicates the number of bytes of data that the host 892 * intends to transfer on the IN or OUT Bulk endpoint(as indicated by 893 * the Direction bit) during the execution of this command. If this 894 * field is set to 0, the device will expect that no data will be 895 * transferred IN or OUT during this command, regardless of the value 896 * of the Direction bit defined in dCBWFlags. 897 * 898 * dCBWFlags (dir) : 899 * The bits of the Flags field are defined as follows: 900 * Bits 0-6 reserved 901 * Bit 7 Direction - this bit shall be ignored if the 902 * dCBWDataTransferLength field is zero. 903 * 0 = data Out from host to device 904 * 1 = data In from device to host 905 */ 906 907 /* Fill in the Command Block Wrapper */ 908 USETDW(sc->cbw.dCBWSignature, CBWSIGNATURE); 909 USETDW(sc->cbw.dCBWTag, dCBWtag); 910 dCBWtag++; /* cannot be done in macro (it will be done 4 times) */ 911 USETDW(sc->cbw.dCBWDataTransferLength, datalen); 912 /* DIR_NONE is treated as DIR_OUT (0x00) */ 913 sc->cbw.bCBWFlags = (dir == DIR_IN? CBWFLAGS_IN:CBWFLAGS_OUT); 914 sc->cbw.bCBWLUN = lun; 915 sc->cbw.bCDBLength = cmdlen; 916 memcpy(sc->cbw.CBWCDB, cmd, cmdlen); 917 918 DIF(UDMASS_BBB, umass_bbb_dump_cbw(sc, &sc->cbw)); 919 920 /* store the details for the data transfer phase */ 921 sc->transfer_dir = dir; 922 sc->transfer_data = data; 923 sc->transfer_datalen = datalen; 924 sc->transfer_actlen = 0; 925 sc->transfer_cb = cb; 926 sc->transfer_priv = priv; 927 sc->transfer_status = STATUS_CMD_OK; 928 929 /* move from idle to the command state */ 930 sc->transfer_state = TSTATE_BBB_COMMAND; 931 932 /* Send the CBW from host to device via bulk-out endpoint. */ 933 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKOUT], 934 &sc->cbw, UMASS_BBB_CBW_SIZE, 0, 935 sc->transfer_xfer[XFER_BBB_CBW])) { 936 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 937 } 938 } 939 940 941 Static void 942 umass_bbb_state(usbd_xfer_handle xfer, usbd_private_handle priv, 943 usbd_status err) 944 { 945 struct umass_softc *sc = (struct umass_softc *) priv; 946 usbd_xfer_handle next_xfer; 947 948 KASSERT(sc->sc_wire & UMASS_WPROTO_BBB, 949 ("sc->sc_wire == 0x%02x wrong for umass_bbb_state\n", 950 sc->sc_wire)); 951 952 if (sc->sc_dying) 953 return; 954 955 /* 956 * State handling for BBB transfers. 957 * 958 * The subroutine is rather long. It steps through the states given in 959 * Annex A of the Bulk-Only specification. 960 * Each state first does the error handling of the previous transfer 961 * and then prepares the next transfer. 962 * Each transfer is done asynchroneously so after the request/transfer 963 * has been submitted you will find a 'return;'. 964 */ 965 966 DPRINTF(UDMASS_BBB, ("%s: Handling BBB state %d (%s), xfer=%p, %s\n", 967 USBDEVNAME(sc->sc_dev), sc->transfer_state, 968 states[sc->transfer_state], xfer, usbd_errstr(err))); 969 970 switch (sc->transfer_state) { 971 972 /***** Bulk Transfer *****/ 973 case TSTATE_BBB_COMMAND: 974 /* Command transport phase, error handling */ 975 if (err) { 976 DPRINTF(UDMASS_BBB, ("%s: failed to send CBW\n", 977 USBDEVNAME(sc->sc_dev))); 978 /* If the device detects that the CBW is invalid, then 979 * the device may STALL both bulk endpoints and require 980 * a Bulk-Reset 981 */ 982 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 983 return; 984 } 985 986 /* Data transport phase, setup transfer */ 987 sc->transfer_state = TSTATE_BBB_DATA; 988 if (sc->transfer_dir == DIR_IN) { 989 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKIN], 990 sc->data_buffer, sc->transfer_datalen, 991 USBD_SHORT_XFER_OK | USBD_NO_COPY, 992 sc->transfer_xfer[XFER_BBB_DATA])) 993 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 994 995 return; 996 } else if (sc->transfer_dir == DIR_OUT) { 997 memcpy(sc->data_buffer, sc->transfer_data, 998 sc->transfer_datalen); 999 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKOUT], 1000 sc->data_buffer, sc->transfer_datalen, 1001 USBD_NO_COPY,/* fixed length transfer */ 1002 sc->transfer_xfer[XFER_BBB_DATA])) 1003 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1004 1005 return; 1006 } else { 1007 DPRINTF(UDMASS_BBB, ("%s: no data phase\n", 1008 USBDEVNAME(sc->sc_dev))); 1009 } 1010 1011 /* FALLTHROUGH if no data phase, err == 0 */ 1012 case TSTATE_BBB_DATA: 1013 /* Command transport phase, error handling (ignored if no data 1014 * phase (fallthrough from previous state)) */ 1015 if (sc->transfer_dir != DIR_NONE) { 1016 /* retrieve the length of the transfer that was done */ 1017 usbd_get_xfer_status(xfer, NULL, NULL, 1018 &sc->transfer_actlen, NULL); 1019 1020 if (err) { 1021 DPRINTF(UDMASS_BBB, ("%s: Data-%s %d failed, " 1022 "%s\n", USBDEVNAME(sc->sc_dev), 1023 (sc->transfer_dir == DIR_IN?"in":"out"), 1024 sc->transfer_datalen,usbd_errstr(err))); 1025 1026 if (err == USBD_STALLED) { 1027 sc->transfer_state = TSTATE_BBB_DCLEAR; 1028 umass_clear_endpoint_stall(sc, 1029 (sc->transfer_dir == DIR_IN? 1030 UMASS_BULKIN:UMASS_BULKOUT), 1031 sc->transfer_xfer[XFER_BBB_DCLEAR]); 1032 return; 1033 } else { 1034 /* Unless the error is a pipe stall the 1035 * error is fatal. 1036 */ 1037 umass_bbb_reset(sc,STATUS_WIRE_FAILED); 1038 return; 1039 } 1040 } 1041 } 1042 1043 if (sc->transfer_dir == DIR_IN) 1044 memcpy(sc->transfer_data, sc->data_buffer, 1045 sc->transfer_actlen); 1046 1047 DIF(UDMASS_BBB, if (sc->transfer_dir == DIR_IN) 1048 umass_dump_buffer(sc, sc->transfer_data, 1049 sc->transfer_datalen, 48)); 1050 1051 /* FALLTHROUGH, err == 0 (no data phase or successfull) */ 1052 case TSTATE_BBB_DCLEAR: /* stall clear after data phase */ 1053 case TSTATE_BBB_SCLEAR: /* stall clear after status phase */ 1054 /* Reading of CSW after bulk stall condition in data phase 1055 * (TSTATE_BBB_DATA2) or bulk-in stall condition after 1056 * reading CSW (TSTATE_BBB_SCLEAR). 1057 * In the case of no data phase or successfull data phase, 1058 * err == 0 and the following if block is passed. 1059 */ 1060 if (err) { /* should not occur */ 1061 /* try the transfer below, even if clear stall failed */ 1062 DPRINTF(UDMASS_BBB, ("%s: bulk-%s stall clear failed" 1063 ", %s\n", USBDEVNAME(sc->sc_dev), 1064 (sc->transfer_dir == DIR_IN? "in":"out"), 1065 usbd_errstr(err))); 1066 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1067 return; 1068 } 1069 1070 /* Status transport phase, setup transfer */ 1071 if (sc->transfer_state == TSTATE_BBB_COMMAND || 1072 sc->transfer_state == TSTATE_BBB_DATA || 1073 sc->transfer_state == TSTATE_BBB_DCLEAR) { 1074 /* After no data phase, successfull data phase and 1075 * after clearing bulk-in/-out stall condition 1076 */ 1077 sc->transfer_state = TSTATE_BBB_STATUS1; 1078 next_xfer = sc->transfer_xfer[XFER_BBB_CSW1]; 1079 } else { 1080 /* After first attempt of fetching CSW */ 1081 sc->transfer_state = TSTATE_BBB_STATUS2; 1082 next_xfer = sc->transfer_xfer[XFER_BBB_CSW2]; 1083 } 1084 1085 /* Read the Command Status Wrapper via bulk-in endpoint. */ 1086 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKIN], 1087 &sc->csw, UMASS_BBB_CSW_SIZE, 0, next_xfer)) { 1088 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1089 return; 1090 } 1091 1092 return; 1093 case TSTATE_BBB_STATUS1: /* first attempt */ 1094 case TSTATE_BBB_STATUS2: /* second attempt */ 1095 /* Status transfer, error handling */ 1096 if (err) { 1097 DPRINTF(UDMASS_BBB, ("%s: Failed to read CSW, %s%s\n", 1098 USBDEVNAME(sc->sc_dev), usbd_errstr(err), 1099 (sc->transfer_state == TSTATE_BBB_STATUS1? 1100 ", retrying":""))); 1101 1102 /* If this was the first attempt at fetching the CSW 1103 * retry it, otherwise fail. 1104 */ 1105 if (sc->transfer_state == TSTATE_BBB_STATUS1) { 1106 sc->transfer_state = TSTATE_BBB_SCLEAR; 1107 umass_clear_endpoint_stall(sc, UMASS_BULKIN, 1108 sc->transfer_xfer[XFER_BBB_SCLEAR]); 1109 return; 1110 } else { 1111 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1112 return; 1113 } 1114 } 1115 1116 DIF(UDMASS_BBB, umass_bbb_dump_csw(sc, &sc->csw)); 1117 1118 /* Translate weird command-status signatures. */ 1119 if ((sc->sc_quirks & UMASS_QUIRK_WRONG_CSWSIG) && 1120 UGETDW(sc->csw.dCSWSignature) == CSWSIGNATURE_OLYMPUS_C1) 1121 USETDW(sc->csw.dCSWSignature, CSWSIGNATURE); 1122 1123 /* Check CSW and handle any error */ 1124 if (UGETDW(sc->csw.dCSWSignature) != CSWSIGNATURE) { 1125 /* Invalid CSW: Wrong signature or wrong tag might 1126 * indicate that the device is confused -> reset it. 1127 */ 1128 printf("%s: Invalid CSW: sig 0x%08x should be 0x%08x\n", 1129 USBDEVNAME(sc->sc_dev), 1130 UGETDW(sc->csw.dCSWSignature), 1131 CSWSIGNATURE); 1132 1133 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1134 return; 1135 } else if (UGETDW(sc->csw.dCSWTag) 1136 != UGETDW(sc->cbw.dCBWTag)) { 1137 printf("%s: Invalid CSW: tag %d should be %d\n", 1138 USBDEVNAME(sc->sc_dev), 1139 UGETDW(sc->csw.dCSWTag), 1140 UGETDW(sc->cbw.dCBWTag)); 1141 1142 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1143 return; 1144 1145 /* CSW is valid here */ 1146 } else if (sc->csw.bCSWStatus > CSWSTATUS_PHASE) { 1147 printf("%s: Invalid CSW: status %d > %d\n", 1148 USBDEVNAME(sc->sc_dev), 1149 sc->csw.bCSWStatus, 1150 CSWSTATUS_PHASE); 1151 1152 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1153 return; 1154 } else if (sc->csw.bCSWStatus == CSWSTATUS_PHASE) { 1155 printf("%s: Phase Error, residue = %d\n", 1156 USBDEVNAME(sc->sc_dev), 1157 UGETDW(sc->csw.dCSWDataResidue)); 1158 1159 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1160 return; 1161 1162 } else if (sc->transfer_actlen > sc->transfer_datalen) { 1163 /* Buffer overrun! Don't let this go by unnoticed */ 1164 panic("%s: transferred %d bytes instead of %d bytes", 1165 USBDEVNAME(sc->sc_dev), 1166 sc->transfer_actlen, sc->transfer_datalen); 1167 #if 0 1168 } else if (sc->transfer_datalen - sc->transfer_actlen 1169 != UGETDW(sc->csw.dCSWDataResidue)) { 1170 DPRINTF(UDMASS_BBB, ("%s: actlen=%d != residue=%d\n", 1171 USBDEVNAME(sc->sc_dev), 1172 sc->transfer_datalen - sc->transfer_actlen, 1173 UGETDW(sc->csw.dCSWDataResidue))); 1174 1175 umass_bbb_reset(sc, STATUS_WIRE_FAILED); 1176 return; 1177 #endif 1178 } else if (sc->csw.bCSWStatus == CSWSTATUS_FAILED) { 1179 DPRINTF(UDMASS_BBB, ("%s: Command Failed, res = %d\n", 1180 USBDEVNAME(sc->sc_dev), 1181 UGETDW(sc->csw.dCSWDataResidue))); 1182 1183 /* SCSI command failed but transfer was succesful */ 1184 sc->transfer_state = TSTATE_IDLE; 1185 sc->transfer_cb(sc, sc->transfer_priv, 1186 UGETDW(sc->csw.dCSWDataResidue), 1187 STATUS_CMD_FAILED); 1188 1189 return; 1190 1191 } else { /* success */ 1192 sc->transfer_state = TSTATE_IDLE; 1193 sc->transfer_cb(sc, sc->transfer_priv, 1194 UGETDW(sc->csw.dCSWDataResidue), 1195 STATUS_CMD_OK); 1196 1197 return; 1198 } 1199 1200 /***** Bulk Reset *****/ 1201 case TSTATE_BBB_RESET1: 1202 if (err) 1203 printf("%s: BBB reset failed, %s\n", 1204 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1205 1206 sc->transfer_state = TSTATE_BBB_RESET2; 1207 umass_clear_endpoint_stall(sc, UMASS_BULKIN, 1208 sc->transfer_xfer[XFER_BBB_RESET2]); 1209 1210 return; 1211 case TSTATE_BBB_RESET2: 1212 if (err) /* should not occur */ 1213 printf("%s: BBB bulk-in clear stall failed, %s\n", 1214 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1215 /* no error recovery, otherwise we end up in a loop */ 1216 1217 sc->transfer_state = TSTATE_BBB_RESET3; 1218 umass_clear_endpoint_stall(sc, UMASS_BULKOUT, 1219 sc->transfer_xfer[XFER_BBB_RESET3]); 1220 1221 return; 1222 case TSTATE_BBB_RESET3: 1223 if (err) /* should not occur */ 1224 printf("%s: BBB bulk-out clear stall failed, %s\n", 1225 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1226 /* no error recovery, otherwise we end up in a loop */ 1227 1228 sc->transfer_state = TSTATE_IDLE; 1229 if (sc->transfer_priv) { 1230 sc->transfer_cb(sc, sc->transfer_priv, 1231 sc->transfer_datalen, 1232 sc->transfer_status); 1233 } 1234 1235 return; 1236 1237 /***** Default *****/ 1238 default: 1239 panic("%s: Unknown state %d", 1240 USBDEVNAME(sc->sc_dev), sc->transfer_state); 1241 } 1242 } 1243 1244 /* 1245 * Command/Bulk/Interrupt (CBI) specific functions 1246 */ 1247 1248 Static int 1249 umass_cbi_adsc(struct umass_softc *sc, char *buffer, int buflen, 1250 usbd_xfer_handle xfer) 1251 { 1252 KASSERT(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I), 1253 ("sc->sc_wire == 0x%02x wrong for umass_cbi_adsc\n", 1254 sc->sc_wire)); 1255 1256 sc->sc_req.bmRequestType = UT_WRITE_CLASS_INTERFACE; 1257 sc->sc_req.bRequest = UR_CBI_ADSC; 1258 USETW(sc->sc_req.wValue, 0); 1259 USETW(sc->sc_req.wIndex, sc->sc_ifaceno); 1260 USETW(sc->sc_req.wLength, buflen); 1261 return umass_setup_ctrl_transfer(sc, &sc->sc_req, buffer, 1262 buflen, 0, xfer); 1263 } 1264 1265 1266 Static void 1267 umass_cbi_reset(struct umass_softc *sc, int status) 1268 { 1269 int i; 1270 # define SEND_DIAGNOSTIC_CMDLEN 12 1271 1272 KASSERT(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I), 1273 ("sc->sc_wire == 0x%02x wrong for umass_cbi_reset\n", 1274 sc->sc_wire)); 1275 1276 if (sc->sc_dying) 1277 return; 1278 1279 /* 1280 * Command Block Reset Protocol 1281 * 1282 * First send a reset request to the device. Then clear 1283 * any possibly stalled bulk endpoints. 1284 1285 * This is done in 3 steps, states: 1286 * TSTATE_CBI_RESET1 1287 * TSTATE_CBI_RESET2 1288 * TSTATE_CBI_RESET3 1289 * 1290 * If the reset doesn't succeed, the device should be port reset. 1291 */ 1292 1293 DPRINTF(UDMASS_CBI, ("%s: CBI Reset\n", 1294 USBDEVNAME(sc->sc_dev))); 1295 1296 KASSERT(sizeof(sc->cbl) >= SEND_DIAGNOSTIC_CMDLEN, 1297 ("%s: CBL struct is too small (%d < %d)\n", 1298 USBDEVNAME(sc->sc_dev), 1299 sizeof(sc->cbl), SEND_DIAGNOSTIC_CMDLEN)); 1300 1301 sc->transfer_state = TSTATE_CBI_RESET1; 1302 sc->transfer_status = status; 1303 1304 /* The 0x1d code is the SEND DIAGNOSTIC command. To distingiush between 1305 * the two the last 10 bytes of the cbl is filled with 0xff (section 1306 * 2.2 of the CBI spec). 1307 */ 1308 sc->cbl[0] = 0x1d; /* Command Block Reset */ 1309 sc->cbl[1] = 0x04; 1310 for (i = 2; i < SEND_DIAGNOSTIC_CMDLEN; i++) 1311 sc->cbl[i] = 0xff; 1312 1313 umass_cbi_adsc(sc, sc->cbl, SEND_DIAGNOSTIC_CMDLEN, 1314 sc->transfer_xfer[XFER_CBI_RESET1]); 1315 /* XXX if the command fails we should reset the port on the bub */ 1316 } 1317 1318 Static void 1319 umass_cbi_transfer(struct umass_softc *sc, int lun, 1320 void *cmd, int cmdlen, void *data, int datalen, int dir, 1321 u_int timeout, umass_callback cb, void *priv) 1322 { 1323 DPRINTF(UDMASS_CBI,("%s: umass_cbi_transfer cmd=0x%02x, len=%d\n", 1324 USBDEVNAME(sc->sc_dev), *(u_char *)cmd, datalen)); 1325 1326 KASSERT(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I), 1327 ("sc->sc_wire == 0x%02x wrong for umass_cbi_transfer\n", 1328 sc->sc_wire)); 1329 1330 if (sc->sc_dying) 1331 return; 1332 1333 /* Be a little generous. */ 1334 sc->timeout = timeout + USBD_DEFAULT_TIMEOUT; 1335 1336 /* 1337 * Do a CBI transfer with cmdlen bytes from cmd, possibly 1338 * a data phase of datalen bytes from/to the device and finally a 1339 * csw read phase. 1340 * If the data direction was inbound a maximum of datalen bytes 1341 * is stored in the buffer pointed to by data. 1342 * 1343 * umass_cbi_transfer initialises the transfer and lets the state 1344 * machine in umass_cbi_state handle the completion. It uses the 1345 * following states: 1346 * TSTATE_CBI_COMMAND 1347 * -> XXX fill in 1348 * 1349 * An error in any of those states will invoke 1350 * umass_cbi_reset. 1351 */ 1352 1353 /* check the given arguments */ 1354 KASSERT(datalen == 0 || data != NULL, 1355 ("%s: datalen > 0, but no buffer",USBDEVNAME(sc->sc_dev))); 1356 KASSERT(datalen == 0 || dir != DIR_NONE, 1357 ("%s: direction is NONE while datalen is not zero\n", 1358 USBDEVNAME(sc->sc_dev))); 1359 1360 /* store the details for the data transfer phase */ 1361 sc->transfer_dir = dir; 1362 sc->transfer_data = data; 1363 sc->transfer_datalen = datalen; 1364 sc->transfer_actlen = 0; 1365 sc->transfer_cb = cb; 1366 sc->transfer_priv = priv; 1367 sc->transfer_status = STATUS_CMD_OK; 1368 1369 /* move from idle to the command state */ 1370 sc->transfer_state = TSTATE_CBI_COMMAND; 1371 1372 /* Send the Command Block from host to device via control endpoint. */ 1373 if (umass_cbi_adsc(sc, cmd, cmdlen, sc->transfer_xfer[XFER_CBI_CB])) 1374 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1375 } 1376 1377 Static void 1378 umass_cbi_state(usbd_xfer_handle xfer, usbd_private_handle priv, 1379 usbd_status err) 1380 { 1381 struct umass_softc *sc = (struct umass_softc *) priv; 1382 1383 KASSERT(sc->sc_wire & (UMASS_WPROTO_CBI|UMASS_WPROTO_CBI_I), 1384 ("sc->sc_wire == 0x%02x wrong for umass_cbi_state\n", 1385 sc->sc_wire)); 1386 1387 if (sc->sc_dying) 1388 return; 1389 1390 /* 1391 * State handling for CBI transfers. 1392 */ 1393 1394 DPRINTF(UDMASS_CBI, ("%s: Handling CBI state %d (%s), xfer=%p, %s\n", 1395 USBDEVNAME(sc->sc_dev), sc->transfer_state, 1396 states[sc->transfer_state], xfer, usbd_errstr(err))); 1397 1398 switch (sc->transfer_state) { 1399 1400 /***** CBI Transfer *****/ 1401 case TSTATE_CBI_COMMAND: 1402 if (err == USBD_STALLED) { 1403 DPRINTF(UDMASS_CBI, ("%s: Command Transport failed\n", 1404 USBDEVNAME(sc->sc_dev))); 1405 /* Status transport by control pipe (section 2.3.2.1). 1406 * The command contained in the command block failed. 1407 * 1408 * The control pipe has already been unstalled by the 1409 * USB stack. 1410 * Section 2.4.3.1.1 states that the bulk in endpoints 1411 * should not stalled at this point. 1412 */ 1413 1414 sc->transfer_state = TSTATE_IDLE; 1415 sc->transfer_cb(sc, sc->transfer_priv, 1416 sc->transfer_datalen, 1417 STATUS_CMD_FAILED); 1418 1419 return; 1420 } else if (err) { 1421 DPRINTF(UDMASS_CBI, ("%s: failed to send ADSC\n", 1422 USBDEVNAME(sc->sc_dev))); 1423 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1424 1425 return; 1426 } 1427 1428 sc->transfer_state = TSTATE_CBI_DATA; 1429 if (sc->transfer_dir == DIR_IN) { 1430 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKIN], 1431 sc->transfer_data, sc->transfer_datalen, 1432 USBD_SHORT_XFER_OK | USBD_NO_COPY, 1433 sc->transfer_xfer[XFER_CBI_DATA])) 1434 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1435 1436 } else if (sc->transfer_dir == DIR_OUT) { 1437 memcpy(sc->data_buffer, sc->transfer_data, 1438 sc->transfer_datalen); 1439 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_BULKOUT], 1440 sc->transfer_data, sc->transfer_datalen, 1441 USBD_NO_COPY,/* fixed length transfer */ 1442 sc->transfer_xfer[XFER_CBI_DATA])) 1443 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1444 1445 } else if (sc->sc_wire == UMASS_WPROTO_CBI_I) { 1446 DPRINTF(UDMASS_CBI, ("%s: no data phase\n", 1447 USBDEVNAME(sc->sc_dev))); 1448 sc->transfer_state = TSTATE_CBI_STATUS; 1449 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_INTRIN], 1450 &sc->sbl, sizeof(sc->sbl), 1451 0, /* fixed length transfer */ 1452 sc->transfer_xfer[XFER_CBI_STATUS])){ 1453 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1454 } 1455 } else { 1456 DPRINTF(UDMASS_CBI, ("%s: no data phase\n", 1457 USBDEVNAME(sc->sc_dev))); 1458 /* No command completion interrupt. Request 1459 * sense data. 1460 */ 1461 sc->transfer_state = TSTATE_IDLE; 1462 sc->transfer_cb(sc, sc->transfer_priv, 1463 0, STATUS_CMD_UNKNOWN); 1464 } 1465 1466 return; 1467 1468 case TSTATE_CBI_DATA: 1469 /* retrieve the length of the transfer that was done */ 1470 usbd_get_xfer_status(xfer,NULL,NULL,&sc->transfer_actlen,NULL); 1471 DPRINTF(UDMASS_CBI, ("%s: CBI_DATA actlen=%d\n", 1472 USBDEVNAME(sc->sc_dev), sc->transfer_actlen)); 1473 1474 if (err) { 1475 DPRINTF(UDMASS_CBI, ("%s: Data-%s %d failed, " 1476 "%s\n", USBDEVNAME(sc->sc_dev), 1477 (sc->transfer_dir == DIR_IN?"in":"out"), 1478 sc->transfer_datalen,usbd_errstr(err))); 1479 1480 if (err == USBD_STALLED) { 1481 sc->transfer_state = TSTATE_CBI_DCLEAR; 1482 umass_clear_endpoint_stall(sc, UMASS_BULKIN, 1483 sc->transfer_xfer[XFER_CBI_DCLEAR]); 1484 } else { 1485 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1486 } 1487 return; 1488 } 1489 1490 if (sc->transfer_dir == DIR_IN) 1491 memcpy(sc->transfer_data, sc->data_buffer, 1492 sc->transfer_actlen); 1493 1494 DIF(UDMASS_CBI, if (sc->transfer_dir == DIR_IN) 1495 umass_dump_buffer(sc, sc->transfer_data, 1496 sc->transfer_actlen, 48)); 1497 1498 if (sc->sc_wire == UMASS_WPROTO_CBI_I) { 1499 sc->transfer_state = TSTATE_CBI_STATUS; 1500 memset(&sc->sbl, 0, sizeof(sc->sbl)); 1501 if (umass_setup_transfer(sc, sc->sc_pipe[UMASS_INTRIN], 1502 &sc->sbl, sizeof(sc->sbl), 1503 0, /* fixed length transfer */ 1504 sc->transfer_xfer[XFER_CBI_STATUS])){ 1505 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1506 } 1507 } else { 1508 /* No command completion interrupt. Request 1509 * sense to get status of command. 1510 */ 1511 sc->transfer_state = TSTATE_IDLE; 1512 sc->transfer_cb(sc, sc->transfer_priv, 1513 sc->transfer_datalen - sc->transfer_actlen, 1514 STATUS_CMD_UNKNOWN); 1515 } 1516 return; 1517 1518 case TSTATE_CBI_STATUS: 1519 if (err) { 1520 DPRINTF(UDMASS_CBI, ("%s: Status Transport failed\n", 1521 USBDEVNAME(sc->sc_dev))); 1522 /* Status transport by interrupt pipe (section 2.3.2.2). 1523 */ 1524 1525 if (err == USBD_STALLED) { 1526 sc->transfer_state = TSTATE_CBI_SCLEAR; 1527 umass_clear_endpoint_stall(sc, UMASS_INTRIN, 1528 sc->transfer_xfer[XFER_CBI_SCLEAR]); 1529 } else { 1530 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1531 } 1532 return; 1533 } 1534 1535 /* Dissect the information in the buffer */ 1536 1537 if (sc->sc_cmd == UMASS_CPROTO_UFI) { 1538 int status; 1539 1540 /* Section 3.4.3.1.3 specifies that the UFI command 1541 * protocol returns an ASC and ASCQ in the interrupt 1542 * data block. 1543 */ 1544 1545 DPRINTF(UDMASS_CBI, ("%s: UFI CCI, ASC = 0x%02x, " 1546 "ASCQ = 0x%02x\n", 1547 USBDEVNAME(sc->sc_dev), 1548 sc->sbl.ufi.asc, sc->sbl.ufi.ascq)); 1549 1550 if (sc->sbl.ufi.asc == 0 && sc->sbl.ufi.ascq == 0) 1551 status = STATUS_CMD_OK; 1552 else 1553 status = STATUS_CMD_FAILED; 1554 1555 /* No sense, command successfull */ 1556 } else { 1557 /* Command Interrupt Data Block */ 1558 DPRINTF(UDMASS_CBI, ("%s: type=0x%02x, value=0x%02x\n", 1559 USBDEVNAME(sc->sc_dev), 1560 sc->sbl.common.type, sc->sbl.common.value)); 1561 1562 if (sc->sbl.common.type == IDB_TYPE_CCI) { 1563 int err; 1564 1565 if ((sc->sbl.common.value&IDB_VALUE_STATUS_MASK) 1566 == IDB_VALUE_PASS) { 1567 err = STATUS_CMD_OK; 1568 } else if ((sc->sbl.common.value & IDB_VALUE_STATUS_MASK) 1569 == IDB_VALUE_FAIL || 1570 (sc->sbl.common.value & IDB_VALUE_STATUS_MASK) 1571 == IDB_VALUE_PERSISTENT) { 1572 err = STATUS_CMD_FAILED; 1573 } else { 1574 err = STATUS_WIRE_FAILED; 1575 } 1576 1577 sc->transfer_state = TSTATE_IDLE; 1578 sc->transfer_cb(sc, sc->transfer_priv, 1579 sc->transfer_datalen, 1580 err); 1581 } 1582 } 1583 return; 1584 1585 case TSTATE_CBI_DCLEAR: 1586 if (err) { /* should not occur */ 1587 printf("%s: CBI bulk-in/out stall clear failed, %s\n", 1588 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1589 umass_cbi_reset(sc, STATUS_WIRE_FAILED); 1590 } 1591 1592 sc->transfer_state = TSTATE_IDLE; 1593 sc->transfer_cb(sc, sc->transfer_priv, 1594 sc->transfer_datalen, 1595 STATUS_CMD_FAILED); 1596 return; 1597 1598 case TSTATE_CBI_SCLEAR: 1599 if (err) /* should not occur */ 1600 printf("%s: CBI intr-in stall clear failed, %s\n", 1601 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1602 1603 /* Something really bad is going on. Reset the device */ 1604 umass_cbi_reset(sc, STATUS_CMD_FAILED); 1605 return; 1606 1607 /***** CBI Reset *****/ 1608 case TSTATE_CBI_RESET1: 1609 if (err) 1610 printf("%s: CBI reset failed, %s\n", 1611 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1612 1613 sc->transfer_state = TSTATE_CBI_RESET2; 1614 umass_clear_endpoint_stall(sc, UMASS_BULKIN, 1615 sc->transfer_xfer[XFER_CBI_RESET2]); 1616 1617 return; 1618 case TSTATE_CBI_RESET2: 1619 if (err) /* should not occur */ 1620 printf("%s: CBI bulk-in stall clear failed, %s\n", 1621 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1622 /* no error recovery, otherwise we end up in a loop */ 1623 1624 sc->transfer_state = TSTATE_CBI_RESET3; 1625 umass_clear_endpoint_stall(sc, UMASS_BULKOUT, 1626 sc->transfer_xfer[XFER_CBI_RESET3]); 1627 1628 return; 1629 case TSTATE_CBI_RESET3: 1630 if (err) /* should not occur */ 1631 printf("%s: CBI bulk-out stall clear failed, %s\n", 1632 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1633 /* no error recovery, otherwise we end up in a loop */ 1634 1635 sc->transfer_state = TSTATE_IDLE; 1636 if (sc->transfer_priv) { 1637 sc->transfer_cb(sc, sc->transfer_priv, 1638 sc->transfer_datalen, 1639 sc->transfer_status); 1640 } 1641 1642 return; 1643 1644 1645 /***** Default *****/ 1646 default: 1647 panic("%s: Unknown state %d", 1648 USBDEVNAME(sc->sc_dev), sc->transfer_state); 1649 } 1650 } 1651 1652 usbd_status 1653 umass_bbb_get_max_lun(struct umass_softc *sc, u_int8_t *maxlun) 1654 { 1655 usb_device_request_t req; 1656 usbd_status err; 1657 1658 *maxlun = 0; /* Default to 0. */ 1659 1660 DPRINTF(UDMASS_BBB, ("%s: Get Max Lun\n", USBDEVNAME(sc->sc_dev))); 1661 1662 /* The Get Max Lun command is a class-specific request. */ 1663 req.bmRequestType = UT_READ_CLASS_INTERFACE; 1664 req.bRequest = UR_BBB_GET_MAX_LUN; 1665 USETW(req.wValue, 0); 1666 USETW(req.wIndex, sc->sc_ifaceno); 1667 USETW(req.wLength, 1); 1668 1669 err = usbd_do_request(sc->sc_udev, &req, maxlun); 1670 switch (err) { 1671 case USBD_NORMAL_COMPLETION: 1672 DPRINTF(UDMASS_BBB, ("%s: Max Lun %d\n", 1673 USBDEVNAME(sc->sc_dev), *maxlun)); 1674 break; 1675 1676 case USBD_STALLED: 1677 /* 1678 * Device doesn't support Get Max Lun request. 1679 */ 1680 err = USBD_NORMAL_COMPLETION; 1681 DPRINTF(UDMASS_BBB, ("%s: Get Max Lun not supported\n", 1682 USBDEVNAME(sc->sc_dev))); 1683 break; 1684 1685 case USBD_SHORT_XFER: 1686 /* 1687 * XXX This must mean Get Max Lun is not supported, too! 1688 */ 1689 err = USBD_NORMAL_COMPLETION; 1690 DPRINTF(UDMASS_BBB, ("%s: Get Max Lun SHORT_XFER\n", 1691 USBDEVNAME(sc->sc_dev))); 1692 break; 1693 1694 default: 1695 printf("%s: Get Max Lun failed: %s\n", 1696 USBDEVNAME(sc->sc_dev), usbd_errstr(err)); 1697 /* XXX Should we port_reset the device? */ 1698 break; 1699 } 1700 1701 return (err); 1702 } 1703 1704 1705 1706 1707 #ifdef UMASS_DEBUG 1708 Static void 1709 umass_bbb_dump_cbw(struct umass_softc *sc, umass_bbb_cbw_t *cbw) 1710 { 1711 int clen = cbw->bCDBLength; 1712 int dlen = UGETDW(cbw->dCBWDataTransferLength); 1713 u_int8_t *c = cbw->CBWCDB; 1714 int tag = UGETDW(cbw->dCBWTag); 1715 int flags = cbw->bCBWFlags; 1716 1717 DPRINTF(UDMASS_BBB, ("%s: CBW %d: cmdlen=%d " 1718 "(0x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%s), " 1719 "data = %d bytes, dir = %s\n", 1720 USBDEVNAME(sc->sc_dev), tag, clen, 1721 c[0], c[1], c[2], c[3], c[4], c[5], 1722 c[6], c[7], c[8], c[9], 1723 (clen > 10? "...":""), 1724 dlen, (flags == CBWFLAGS_IN? "in": 1725 (flags == CBWFLAGS_OUT? "out":"<invalid>")))); 1726 } 1727 1728 Static void 1729 umass_bbb_dump_csw(struct umass_softc *sc, umass_bbb_csw_t *csw) 1730 { 1731 int sig = UGETDW(csw->dCSWSignature); 1732 int tag = UGETW(csw->dCSWTag); 1733 int res = UGETDW(csw->dCSWDataResidue); 1734 int status = csw->bCSWStatus; 1735 1736 DPRINTF(UDMASS_BBB, ("%s: CSW %d: sig = 0x%08x (%s), tag = %d, " 1737 "res = %d, status = 0x%02x (%s)\n", USBDEVNAME(sc->sc_dev), 1738 tag, sig, (sig == CSWSIGNATURE? "valid":"invalid"), 1739 tag, res, 1740 status, (status == CSWSTATUS_GOOD? "good": 1741 (status == CSWSTATUS_FAILED? "failed": 1742 (status == CSWSTATUS_PHASE? "phase":"<invalid>"))))); 1743 } 1744 1745 Static void 1746 umass_dump_buffer(struct umass_softc *sc, u_int8_t *buffer, int buflen, 1747 int printlen) 1748 { 1749 int i, j; 1750 char s1[40]; 1751 char s2[40]; 1752 char s3[5]; 1753 1754 s1[0] = '\0'; 1755 s3[0] = '\0'; 1756 1757 sprintf(s2, " buffer=%p, buflen=%d", buffer, buflen); 1758 for (i = 0; i < buflen && i < printlen; i++) { 1759 j = i % 16; 1760 if (j == 0 && i != 0) { 1761 DPRINTF(UDMASS_GEN, ("%s: 0x %s%s\n", 1762 USBDEVNAME(sc->sc_dev), s1, s2)); 1763 s2[0] = '\0'; 1764 } 1765 sprintf(&s1[j*2], "%02x", buffer[i] & 0xff); 1766 } 1767 if (buflen > printlen) 1768 sprintf(s3, " ..."); 1769 DPRINTF(UDMASS_GEN, ("%s: 0x %s%s%s\n", 1770 USBDEVNAME(sc->sc_dev), s1, s2, s3)); 1771 } 1772 #endif 1773
Indexes created Tue Sep 30 11:09:46 GMT 2025