usscanner.c revision 1.38.4.2
1 /* $NetBSD: usscanner.c,v 1.38.4.2 2018/02/19 19:33:06 snj Exp $ */ 2 3 /* 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (lennart (at) augustsson.net) and LLoyd Parkes. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * This driver is partly based on information taken from the Linux driver 34 * by John Fremlin, Oliver Neukum, and Jeremy Hall. 35 */ 36 /* 37 * Protocol: 38 * Send raw SCSI command on the bulk-out pipe. 39 * If output command then 40 * send further data on the bulk-out pipe 41 * else if input command then 42 * read data on the bulk-in pipe 43 * else 44 * don't do anything. 45 * Read status byte on the interrupt pipe (which doesn't seem to be 46 * an interrupt pipe at all). This operation sometimes times out. 47 */ 48 49 #include <sys/cdefs.h> 50 __KERNEL_RCSID(0, "$NetBSD: usscanner.c,v 1.38.4.2 2018/02/19 19:33:06 snj Exp $"); 51 52 #ifdef _KERNEL_OPT 53 #include "opt_usb.h" 54 #endif 55 56 #include "scsibus.h" 57 #include <sys/param.h> 58 #include <sys/systm.h> 59 #include <sys/kernel.h> 60 #include <sys/lwp.h> 61 #include <sys/device.h> 62 #include <sys/conf.h> 63 #include <sys/buf.h> 64 65 #include <dev/usb/usb.h> 66 #include <dev/usb/usbdi.h> 67 #include <dev/usb/usbdi_util.h> 68 69 #include <dev/usb/usbdevs.h> 70 71 #include <sys/scsiio.h> 72 #include <dev/scsipi/scsi_spc.h> 73 #include <dev/scsipi/scsi_all.h> 74 #include <dev/scsipi/scsipi_all.h> 75 #include <dev/scsipi/scsiconf.h> 76 #include <dev/scsipi/atapiconf.h> 77 78 #ifdef USSCANNER_DEBUG 79 #define DPRINTF(x) if (usscannerdebug) printf x 80 #define DPRINTFN(n,x) if (usscannerdebug>(n)) printf x 81 int usscannerdebug = 0; 82 #else 83 #define DPRINTF(x) 84 #define DPRINTFN(n,x) 85 #endif 86 87 88 #define USSCANNER_CONFIG_NO 1 89 #define USSCANNER_IFACE_IDX 0 90 91 #define USSCANNER_SCSIID_HOST 0x00 92 #define USSCANNER_SCSIID_DEVICE 0x01 93 94 #define USSCANNER_MAX_TRANSFER_SIZE MAXPHYS 95 96 #define USSCANNER_TIMEOUT 2000 97 98 struct usscanner_softc { 99 device_t sc_dev; 100 struct usbd_device *sc_udev; 101 struct usbd_interface *sc_iface; 102 103 int sc_in_addr; 104 struct usbd_pipe *sc_in_pipe; 105 106 int sc_intr_addr; 107 struct usbd_pipe *sc_intr_pipe; 108 struct usbd_xfer *sc_intr_xfer; 109 u_char sc_status; 110 111 int sc_out_addr; 112 struct usbd_pipe *sc_out_pipe; 113 114 struct usbd_xfer *sc_cmd_xfer; 115 void *sc_cmd_buffer; 116 struct usbd_xfer *sc_datain_xfer; 117 void *sc_datain_buffer; 118 struct usbd_xfer *sc_dataout_xfer; 119 void *sc_dataout_buffer; 120 121 int sc_state; 122 #define UAS_IDLE 0 123 #define UAS_CMD 1 124 #define UAS_DATA 2 125 #define UAS_SENSECMD 3 126 #define UAS_SENSEDATA 4 127 #define UAS_STATUS 5 128 129 struct scsipi_xfer *sc_xs; 130 131 device_t sc_child; /* child device, for detach */ 132 133 struct scsipi_adapter sc_adapter; 134 struct scsipi_channel sc_channel; 135 136 int sc_refcnt; 137 char sc_dying; 138 }; 139 140 141 Static void usscanner_cleanup(struct usscanner_softc *); 142 Static void usscanner_scsipi_request(struct scsipi_channel *, 143 scsipi_adapter_req_t, void *); 144 Static void usscanner_scsipi_minphys(struct buf *); 145 Static void usscanner_done(struct usscanner_softc *); 146 Static void usscanner_sense(struct usscanner_softc *); 147 typedef void callback(struct usbd_xfer *, void *, usbd_status); 148 Static callback usscanner_intr_cb; 149 Static callback usscanner_cmd_cb; 150 Static callback usscanner_data_cb; 151 Static callback usscanner_sensecmd_cb; 152 Static callback usscanner_sensedata_cb; 153 154 int usscanner_match(device_t, cfdata_t, void *); 155 void usscanner_attach(device_t, device_t, void *); 156 void usscanner_childdet(device_t, device_t); 157 int usscanner_detach(device_t, int); 158 int usscanner_activate(device_t, enum devact); 159 extern struct cfdriver usscanner_cd; 160 CFATTACH_DECL2_NEW(usscanner, sizeof(struct usscanner_softc), 161 usscanner_match, usscanner_attach, usscanner_detach, usscanner_activate, 162 NULL, usscanner_childdet); 163 164 int 165 usscanner_match(device_t parent, cfdata_t match, void *aux) 166 { 167 struct usb_attach_arg *uaa = aux; 168 169 DPRINTFN(50,("usscanner_match\n")); 170 171 if (uaa->uaa_vendor == USB_VENDOR_HP && 172 uaa->uaa_product == USB_PRODUCT_HP_5300C) 173 return UMATCH_VENDOR_PRODUCT; 174 else 175 return UMATCH_NONE; 176 } 177 178 void 179 usscanner_attach(device_t parent, device_t self, void *aux) 180 { 181 struct usscanner_softc *sc = device_private(self); 182 struct usb_attach_arg *uaa = aux; 183 struct usbd_device * dev = uaa->uaa_device; 184 struct usbd_interface * iface; 185 char *devinfop; 186 usbd_status err; 187 usb_endpoint_descriptor_t *ed; 188 uint8_t epcount; 189 int i; 190 int error; 191 192 DPRINTFN(10,("usscanner_attach: sc=%p\n", sc)); 193 194 sc->sc_dev = self; 195 196 aprint_naive("\n"); 197 aprint_normal("\n"); 198 199 devinfop = usbd_devinfo_alloc(dev, 0); 200 aprint_normal_dev(self, "%s\n", devinfop); 201 usbd_devinfo_free(devinfop); 202 203 err = usbd_set_config_no(dev, USSCANNER_CONFIG_NO, 1); 204 if (err) { 205 aprint_error_dev(self, "failed to set configuration, err=%s\n", 206 usbd_errstr(err)); 207 return; 208 } 209 210 err = usbd_device2interface_handle(dev, USSCANNER_IFACE_IDX, &iface); 211 if (err) { 212 aprint_error_dev(self, "getting interface handle failed\n"); 213 return; 214 } 215 216 sc->sc_udev = dev; 217 sc->sc_iface = iface; 218 219 epcount = 0; 220 (void)usbd_endpoint_count(iface, &epcount); 221 222 sc->sc_in_addr = -1; 223 sc->sc_intr_addr = -1; 224 sc->sc_out_addr = -1; 225 for (i = 0; i < epcount; i++) { 226 ed = usbd_interface2endpoint_descriptor(iface, i); 227 if (ed == NULL) { 228 aprint_error_dev(self, "couldn't get ep %d\n", i); 229 return; 230 } 231 if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 232 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 233 sc->sc_in_addr = ed->bEndpointAddress; 234 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && 235 UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { 236 sc->sc_intr_addr = ed->bEndpointAddress; 237 } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && 238 UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { 239 sc->sc_out_addr = ed->bEndpointAddress; 240 } 241 } 242 if (sc->sc_in_addr == -1 || sc->sc_intr_addr == -1 || 243 sc->sc_out_addr == -1) { 244 aprint_error_dev(self, "missing endpoint\n"); 245 return; 246 } 247 248 err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr, 249 USBD_EXCLUSIVE_USE, &sc->sc_in_pipe); 250 if (err) { 251 aprint_error_dev(self, "open in pipe failed, err=%d\n", err); 252 return; 253 } 254 255 /* The interrupt endpoint must be opened as a normal pipe. */ 256 err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr, 257 USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe); 258 259 if (err) { 260 aprint_error_dev(self, "open intr pipe failed, err=%d\n", err); 261 usscanner_cleanup(sc); 262 return; 263 } 264 err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr, 265 USBD_EXCLUSIVE_USE, &sc->sc_out_pipe); 266 if (err) { 267 aprint_error_dev(self, "open out pipe failed, err=%d\n", err); 268 usscanner_cleanup(sc); 269 return; 270 } 271 272 /* XXX too big */ 273 error = usbd_create_xfer(sc->sc_out_pipe, USSCANNER_MAX_TRANSFER_SIZE, 274 0, 0, &sc->sc_cmd_xfer); 275 if (error) { 276 aprint_error_dev(self, "alloc cmd xfer failed, error=%d\n", 277 error); 278 usscanner_cleanup(sc); 279 return; 280 } 281 282 sc->sc_cmd_buffer = usbd_get_buffer(sc->sc_cmd_xfer); 283 284 error = usbd_create_xfer(sc->sc_intr_pipe, 1, 0, 0, &sc->sc_intr_xfer); 285 if (error) { 286 aprint_error_dev(self, "alloc intr xfer failed, error=%d\n", 287 error); 288 usscanner_cleanup(sc); 289 return; 290 } 291 292 error = usbd_create_xfer(sc->sc_in_pipe, USSCANNER_MAX_TRANSFER_SIZE, 293 0, 0, &sc->sc_datain_xfer); 294 if (error) { 295 aprint_error_dev(self, "alloc data xfer failed, error=%d\n", 296 error); 297 usscanner_cleanup(sc); 298 return; 299 } 300 sc->sc_datain_buffer = usbd_get_buffer(sc->sc_datain_xfer); 301 302 error = usbd_create_xfer(sc->sc_out_pipe, USSCANNER_MAX_TRANSFER_SIZE, 303 0, 0, &sc->sc_dataout_xfer); 304 if (error) { 305 aprint_error_dev(self, "alloc data xfer failed, err=%d\n", err); 306 usscanner_cleanup(sc); 307 return; 308 } 309 sc->sc_dataout_buffer = usbd_get_buffer(sc->sc_dataout_xfer); 310 311 /* 312 * Fill in the adapter. 313 */ 314 sc->sc_adapter.adapt_request = usscanner_scsipi_request; 315 sc->sc_adapter.adapt_dev = sc->sc_dev; 316 sc->sc_adapter.adapt_nchannels = 1; 317 sc->sc_adapter.adapt_openings = 1; 318 sc->sc_adapter.adapt_max_periph = 1; 319 sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys; 320 321 #if NSCSIBUS > 0 322 /* 323 * fill in the scsipi_channel. 324 */ 325 sc->sc_channel.chan_adapter = &sc->sc_adapter; 326 sc->sc_channel.chan_bustype = &scsi_bustype; 327 sc->sc_channel.chan_channel = 0; 328 sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1; 329 sc->sc_channel.chan_nluns = 1; 330 sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST; 331 332 usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); 333 334 sc->sc_child = config_found(sc->sc_dev, &sc->sc_channel, scsiprint); 335 336 DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev)); 337 338 return; 339 340 #else 341 /* No SCSI bus, just ignore it */ 342 usscanner_cleanup(sc); 343 344 aprint_error_dev(self, 345 "no scsibus configured, see usscanner(4) for details\n"); 346 347 return; 348 349 #endif 350 } 351 352 void 353 usscanner_childdet(device_t self, device_t child) 354 { 355 struct usscanner_softc *sc = device_private(self); 356 357 KASSERT(sc->sc_child == NULL); 358 sc->sc_child = NULL; 359 } 360 361 int 362 usscanner_detach(device_t self, int flags) 363 { 364 struct usscanner_softc *sc = device_private(self); 365 int rv, s; 366 367 DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags)); 368 369 sc->sc_dying = 1; 370 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 371 if (sc->sc_in_pipe != NULL) 372 usbd_abort_pipe(sc->sc_in_pipe); 373 if (sc->sc_intr_pipe != NULL) 374 usbd_abort_pipe(sc->sc_intr_pipe); 375 if (sc->sc_out_pipe != NULL) 376 usbd_abort_pipe(sc->sc_out_pipe); 377 378 s = splusb(); 379 if (--sc->sc_refcnt >= 0) { 380 /* Wait for processes to go away. */ 381 usb_detach_waitold(sc->sc_dev); 382 } 383 splx(s); 384 385 if (sc->sc_child != NULL) 386 rv = config_detach(sc->sc_child, flags); 387 else 388 rv = 0; 389 390 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); 391 392 return rv; 393 } 394 395 Static void 396 usscanner_cleanup(struct usscanner_softc *sc) 397 { 398 if (sc->sc_cmd_xfer != NULL) { 399 usbd_destroy_xfer(sc->sc_cmd_xfer); 400 sc->sc_cmd_xfer = NULL; 401 } 402 if (sc->sc_datain_xfer != NULL) { 403 usbd_destroy_xfer(sc->sc_datain_xfer); 404 sc->sc_datain_xfer = NULL; 405 } 406 if (sc->sc_dataout_xfer != NULL) { 407 usbd_destroy_xfer(sc->sc_dataout_xfer); 408 sc->sc_dataout_xfer = NULL; 409 } 410 if (sc->sc_in_pipe != NULL) { 411 usbd_close_pipe(sc->sc_in_pipe); 412 sc->sc_in_pipe = NULL; 413 } 414 if (sc->sc_intr_pipe != NULL) { 415 usbd_close_pipe(sc->sc_intr_pipe); 416 sc->sc_intr_pipe = NULL; 417 } 418 if (sc->sc_out_pipe != NULL) { 419 usbd_close_pipe(sc->sc_out_pipe); 420 sc->sc_out_pipe = NULL; 421 } 422 } 423 424 int 425 usscanner_activate(device_t self, enum devact act) 426 { 427 struct usscanner_softc *sc = device_private(self); 428 429 switch (act) { 430 case DVACT_DEACTIVATE: 431 sc->sc_dying = 1; 432 return 0; 433 default: 434 return EOPNOTSUPP; 435 } 436 } 437 438 Static void 439 usscanner_scsipi_minphys(struct buf *bp) 440 { 441 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) 442 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; 443 minphys(bp); 444 } 445 446 Static void 447 usscanner_sense(struct usscanner_softc *sc) 448 { 449 struct scsipi_xfer *xs = sc->sc_xs; 450 struct scsipi_periph *periph = xs->xs_periph; 451 struct scsi_request_sense sense_cmd; 452 usbd_status err; 453 454 /* fetch sense data */ 455 memset(&sense_cmd, 0, sizeof(sense_cmd)); 456 sense_cmd.opcode = SCSI_REQUEST_SENSE; 457 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; 458 sense_cmd.length = sizeof(xs->sense); 459 460 sc->sc_state = UAS_SENSECMD; 461 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof(sense_cmd)); 462 463 usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, 464 sizeof(sense_cmd), 0, USSCANNER_TIMEOUT, 465 usscanner_sensecmd_cb); 466 err = usbd_transfer(sc->sc_cmd_xfer); 467 if (err == USBD_IN_PROGRESS) 468 return; 469 470 xs->error = XS_DRIVER_STUFFUP; 471 usscanner_done(sc); 472 } 473 474 Static void 475 usscanner_intr_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 476 { 477 struct usscanner_softc *sc = priv; 478 int s; 479 480 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 481 482 #ifdef USSCANNER_DEBUG 483 if (sc->sc_state != UAS_STATUS) { 484 printf("%s: !UAS_STATUS\n", device_xname(sc->sc_dev)); 485 } 486 if (sc->sc_status != 0) { 487 printf("%s: status byte=0x%02x\n", device_xname(sc->sc_dev), 488 sc->sc_status); 489 } 490 #endif 491 /* XXX what should we do on non-0 status */ 492 493 sc->sc_state = UAS_IDLE; 494 495 s = splbio(); 496 KERNEL_LOCK(1, curlwp); 497 scsipi_done(sc->sc_xs); 498 KERNEL_UNLOCK_ONE(curlwp); 499 splx(s); 500 } 501 502 Static void 503 usscanner_data_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 504 { 505 struct usscanner_softc *sc = priv; 506 struct scsipi_xfer *xs = sc->sc_xs; 507 uint32_t len; 508 509 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 510 511 #ifdef USSCANNER_DEBUG 512 if (sc->sc_state != UAS_DATA) { 513 printf("%s: !UAS_DATA\n", device_xname(sc->sc_dev)); 514 } 515 #endif 516 517 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 518 519 xs->resid = xs->datalen - len; 520 521 switch (status) { 522 case USBD_NORMAL_COMPLETION: 523 xs->error = XS_NOERROR; 524 break; 525 case USBD_TIMEOUT: 526 xs->error = XS_TIMEOUT; 527 break; 528 case USBD_CANCELLED: 529 if (xs->error == XS_SENSE) { 530 usscanner_sense(sc); 531 return; 532 } 533 break; 534 default: 535 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 536 break; 537 } 538 usscanner_done(sc); 539 } 540 541 Static void 542 usscanner_sensedata_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 543 { 544 struct usscanner_softc *sc = priv; 545 struct scsipi_xfer *xs = sc->sc_xs; 546 uint32_t len; 547 548 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status)); 549 550 #ifdef USSCANNER_DEBUG 551 if (sc->sc_state != UAS_SENSEDATA) { 552 printf("%s: !UAS_SENSEDATA\n", device_xname(sc->sc_dev)); 553 } 554 #endif 555 556 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 557 558 switch (status) { 559 case USBD_NORMAL_COMPLETION: 560 memcpy(&xs->sense, sc->sc_datain_buffer, len); 561 if (len < sizeof(xs->sense)) 562 xs->error = XS_SHORTSENSE; 563 break; 564 case USBD_TIMEOUT: 565 xs->error = XS_TIMEOUT; 566 break; 567 case USBD_CANCELLED: 568 xs->error = XS_RESET; 569 break; 570 default: 571 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 572 break; 573 } 574 usscanner_done(sc); 575 } 576 577 Static void 578 usscanner_done(struct usscanner_softc *sc) 579 { 580 struct scsipi_xfer *xs = sc->sc_xs; 581 usbd_status err; 582 583 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error)); 584 585 sc->sc_state = UAS_STATUS; 586 usbd_setup_xfer(sc->sc_intr_xfer, sc, &sc->sc_status, 1, 587 USBD_SHORT_XFER_OK, USSCANNER_TIMEOUT, usscanner_intr_cb); 588 err = usbd_transfer(sc->sc_intr_xfer); 589 if (err == USBD_IN_PROGRESS) 590 return; 591 xs->error = XS_DRIVER_STUFFUP; 592 } 593 594 Static void 595 usscanner_sensecmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 596 { 597 struct usscanner_softc *sc = priv; 598 struct scsipi_xfer *xs = sc->sc_xs; 599 usbd_status err; 600 601 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status)); 602 603 #ifdef USSCANNER_DEBUG 604 if (usscannerdebug > 15) 605 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 606 607 if (sc->sc_state != UAS_SENSECMD) { 608 aprint_error_dev(sc->sc_dev, "!UAS_SENSECMD\n"); 609 xs->error = XS_DRIVER_STUFFUP; 610 goto done; 611 } 612 #endif 613 614 switch (status) { 615 case USBD_NORMAL_COMPLETION: 616 break; 617 case USBD_TIMEOUT: 618 xs->error = XS_TIMEOUT; 619 goto done; 620 default: 621 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 622 goto done; 623 } 624 625 sc->sc_state = UAS_SENSEDATA; 626 usbd_setup_xfer(sc->sc_datain_xfer, sc, sc->sc_datain_buffer, 627 sizeof(xs->sense), USBD_SHORT_XFER_OK, 628 USSCANNER_TIMEOUT, usscanner_sensedata_cb); 629 err = usbd_transfer(sc->sc_datain_xfer); 630 if (err == USBD_IN_PROGRESS) 631 return; 632 xs->error = XS_DRIVER_STUFFUP; 633 done: 634 usscanner_done(sc); 635 } 636 637 Static void 638 usscanner_cmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 639 { 640 struct usscanner_softc *sc = priv; 641 struct scsipi_xfer *xs = sc->sc_xs; 642 struct usbd_xfer *dxfer; 643 usbd_status err; 644 645 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status)); 646 647 #ifdef USSCANNER_DEBUG 648 if (usscannerdebug > 15) 649 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 650 651 if (sc->sc_state != UAS_CMD) { 652 aprint_error_dev(sc->sc_dev, "!UAS_CMD\n"); 653 xs->error = XS_DRIVER_STUFFUP; 654 goto done; 655 } 656 #endif 657 658 switch (status) { 659 case USBD_NORMAL_COMPLETION: 660 break; 661 case USBD_TIMEOUT: 662 xs->error = XS_TIMEOUT; 663 goto done; 664 case USBD_CANCELLED: 665 goto done; 666 default: 667 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 668 goto done; 669 } 670 671 if (xs->datalen == 0) { 672 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n")); 673 xs->error = XS_NOERROR; 674 goto done; 675 } 676 677 if (xs->xs_control & XS_CTL_DATA_IN) { 678 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n", 679 xs->datalen)); 680 dxfer = sc->sc_datain_xfer; 681 } else { 682 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n", 683 xs->datalen)); 684 dxfer = sc->sc_dataout_xfer; 685 } 686 sc->sc_state = UAS_DATA; 687 usbd_setup_xfer(dxfer, sc, xs->data, xs->datalen, 688 USBD_SHORT_XFER_OK, xs->timeout, usscanner_data_cb); 689 err = usbd_transfer(dxfer); 690 if (err == USBD_IN_PROGRESS) 691 return; 692 xs->error = XS_DRIVER_STUFFUP; 693 694 done: 695 usscanner_done(sc); 696 } 697 698 Static void 699 usscanner_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 700 void *arg) 701 { 702 struct scsipi_xfer *xs; 703 struct usscanner_softc *sc = 704 device_private(chan->chan_adapter->adapt_dev); 705 usbd_status err; 706 707 switch (req) { 708 case ADAPTER_REQ_RUN_XFER: 709 xs = arg; 710 711 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " 712 "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n", 713 device_xname(sc->sc_dev), 714 xs->xs_periph->periph_target, xs->xs_periph->periph_lun, 715 xs, xs->cmd->opcode, xs->datalen, 716 xs->xs_periph->periph_quirks, 717 xs->xs_control & XS_CTL_POLL)); 718 719 if (sc->sc_dying) { 720 xs->error = XS_DRIVER_STUFFUP; 721 goto done; 722 } 723 724 #ifdef USSCANNER_DEBUG 725 if (xs->xs_periph->periph_target != USSCANNER_SCSIID_DEVICE) { 726 DPRINTF(("%s: wrong SCSI ID %d\n", 727 device_xname(sc->sc_dev), 728 xs->xs_periph->periph_target)); 729 xs->error = XS_DRIVER_STUFFUP; 730 goto done; 731 } 732 if (sc->sc_state != UAS_IDLE) { 733 printf("%s: !UAS_IDLE\n", device_xname(sc->sc_dev)); 734 xs->error = XS_DRIVER_STUFFUP; 735 goto done; 736 } 737 #endif 738 739 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { 740 aprint_normal_dev(sc->sc_dev, 741 "usscanner_scsipi_request: large datalen, %d\n", 742 xs->datalen); 743 xs->error = XS_DRIVER_STUFFUP; 744 goto done; 745 } 746 747 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" 748 " datalen=%d\n", device_xname(sc->sc_dev), xs->cmdlen, 749 xs->datalen)); 750 sc->sc_state = UAS_CMD; 751 sc->sc_xs = xs; 752 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); 753 usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, 754 xs->cmdlen, 0, USSCANNER_TIMEOUT, usscanner_cmd_cb); 755 err = usbd_transfer(sc->sc_cmd_xfer); 756 if (err != USBD_IN_PROGRESS) { 757 xs->error = XS_DRIVER_STUFFUP; 758 goto done; 759 } 760 761 return; 762 763 764 done: 765 sc->sc_state = UAS_IDLE; 766 KERNEL_LOCK(1, curlwp); 767 scsipi_done(xs); 768 KERNEL_UNLOCK_ONE(curlwp); 769 return; 770 771 case ADAPTER_REQ_GROW_RESOURCES: 772 /* XXX Not supported. */ 773 return; 774 case ADAPTER_REQ_SET_XFER_MODE: 775 /* XXX Not supported. */ 776 return; 777 } 778 779 } 780
Indexes created Mon Oct 13 08:09:50 GMT 2025