usscanner.c revision 1.50
1 /* $NetBSD: usscanner.c,v 1.50 2021/08/07 16:19:17 thorpej 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 1.50 2021/08/07 16:19:17 thorpej 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 static int usscanner_match(device_t, cfdata_t, void *); 155 static void usscanner_attach(device_t, device_t, void *); 156 static void usscanner_childdet(device_t, device_t); 157 static int usscanner_detach(device_t, int); 158 static int usscanner_activate(device_t, enum devact); 159 160 CFATTACH_DECL2_NEW(usscanner, sizeof(struct usscanner_softc), 161 usscanner_match, usscanner_attach, usscanner_detach, usscanner_activate, 162 NULL, usscanner_childdet); 163 164 static 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 static 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 CFARGS_NONE); 336 337 DPRINTFN(10, ("usscanner_attach: %p\n", sc->sc_udev)); 338 339 return; 340 341 #else 342 /* No SCSI bus, just ignore it */ 343 usscanner_cleanup(sc); 344 345 aprint_error_dev(self, 346 "no scsibus configured, see usscanner(4) for details\n"); 347 348 return; 349 350 #endif 351 } 352 353 static void 354 usscanner_childdet(device_t self, device_t child) 355 { 356 struct usscanner_softc *sc = device_private(self); 357 358 KASSERT(sc->sc_child == NULL); 359 sc->sc_child = NULL; 360 } 361 362 static int 363 usscanner_detach(device_t self, int flags) 364 { 365 struct usscanner_softc *sc = device_private(self); 366 int rv, s; 367 368 DPRINTF(("usscanner_detach: sc=%p flags=%d\n", sc, flags)); 369 370 sc->sc_dying = 1; 371 /* Abort all pipes. Causes processes waiting for transfer to wake. */ 372 if (sc->sc_in_pipe != NULL) 373 usbd_abort_pipe(sc->sc_in_pipe); 374 if (sc->sc_intr_pipe != NULL) 375 usbd_abort_pipe(sc->sc_intr_pipe); 376 if (sc->sc_out_pipe != NULL) 377 usbd_abort_pipe(sc->sc_out_pipe); 378 379 s = splusb(); 380 if (--sc->sc_refcnt >= 0) { 381 /* Wait for processes to go away. */ 382 usb_detach_waitold(sc->sc_dev); 383 } 384 splx(s); 385 386 if (sc->sc_child != NULL) 387 rv = config_detach(sc->sc_child, flags); 388 else 389 rv = 0; 390 391 if (sc->sc_udev != NULL) 392 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 393 sc->sc_dev); 394 395 return rv; 396 } 397 398 Static void 399 usscanner_cleanup(struct usscanner_softc *sc) 400 { 401 if (sc->sc_cmd_xfer != NULL) { 402 usbd_destroy_xfer(sc->sc_cmd_xfer); 403 sc->sc_cmd_xfer = NULL; 404 } 405 if (sc->sc_datain_xfer != NULL) { 406 usbd_destroy_xfer(sc->sc_datain_xfer); 407 sc->sc_datain_xfer = NULL; 408 } 409 if (sc->sc_dataout_xfer != NULL) { 410 usbd_destroy_xfer(sc->sc_dataout_xfer); 411 sc->sc_dataout_xfer = NULL; 412 } 413 if (sc->sc_in_pipe != NULL) { 414 usbd_close_pipe(sc->sc_in_pipe); 415 sc->sc_in_pipe = NULL; 416 } 417 if (sc->sc_intr_pipe != NULL) { 418 usbd_close_pipe(sc->sc_intr_pipe); 419 sc->sc_intr_pipe = NULL; 420 } 421 if (sc->sc_out_pipe != NULL) { 422 usbd_close_pipe(sc->sc_out_pipe); 423 sc->sc_out_pipe = NULL; 424 } 425 } 426 427 static int 428 usscanner_activate(device_t self, enum devact act) 429 { 430 struct usscanner_softc *sc = device_private(self); 431 432 switch (act) { 433 case DVACT_DEACTIVATE: 434 sc->sc_dying = 1; 435 return 0; 436 default: 437 return EOPNOTSUPP; 438 } 439 } 440 441 Static void 442 usscanner_scsipi_minphys(struct buf *bp) 443 { 444 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) 445 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; 446 minphys(bp); 447 } 448 449 Static void 450 usscanner_sense(struct usscanner_softc *sc) 451 { 452 struct scsipi_xfer *xs = sc->sc_xs; 453 struct scsipi_periph *periph = xs->xs_periph; 454 struct scsi_request_sense sense_cmd; 455 usbd_status err; 456 457 /* fetch sense data */ 458 memset(&sense_cmd, 0, sizeof(sense_cmd)); 459 sense_cmd.opcode = SCSI_REQUEST_SENSE; 460 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; 461 sense_cmd.length = sizeof(xs->sense); 462 463 sc->sc_state = UAS_SENSECMD; 464 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof(sense_cmd)); 465 466 usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, 467 sizeof(sense_cmd), 0, USSCANNER_TIMEOUT, 468 usscanner_sensecmd_cb); 469 err = usbd_transfer(sc->sc_cmd_xfer); 470 if (err == USBD_IN_PROGRESS) 471 return; 472 473 xs->error = XS_DRIVER_STUFFUP; 474 usscanner_done(sc); 475 } 476 477 Static void 478 usscanner_intr_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 479 { 480 struct usscanner_softc *sc = priv; 481 int s; 482 483 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 484 485 #ifdef USSCANNER_DEBUG 486 if (sc->sc_state != UAS_STATUS) { 487 printf("%s: !UAS_STATUS\n", device_xname(sc->sc_dev)); 488 } 489 if (sc->sc_status != 0) { 490 printf("%s: status byte=0x%02x\n", device_xname(sc->sc_dev), 491 sc->sc_status); 492 } 493 #endif 494 /* XXX what should we do on non-0 status */ 495 496 sc->sc_state = UAS_IDLE; 497 498 s = splbio(); 499 KERNEL_LOCK(1, curlwp); 500 scsipi_done(sc->sc_xs); 501 KERNEL_UNLOCK_ONE(curlwp); 502 splx(s); 503 } 504 505 Static void 506 usscanner_data_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 507 { 508 struct usscanner_softc *sc = priv; 509 struct scsipi_xfer *xs = sc->sc_xs; 510 uint32_t len; 511 512 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 513 514 #ifdef USSCANNER_DEBUG 515 if (sc->sc_state != UAS_DATA) { 516 printf("%s: !UAS_DATA\n", device_xname(sc->sc_dev)); 517 } 518 #endif 519 520 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 521 522 xs->resid = xs->datalen - len; 523 524 switch (status) { 525 case USBD_NORMAL_COMPLETION: 526 xs->error = XS_NOERROR; 527 break; 528 case USBD_TIMEOUT: 529 xs->error = XS_TIMEOUT; 530 break; 531 case USBD_CANCELLED: 532 if (xs->error == XS_SENSE) { 533 usscanner_sense(sc); 534 return; 535 } 536 break; 537 default: 538 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 539 break; 540 } 541 usscanner_done(sc); 542 } 543 544 Static void 545 usscanner_sensedata_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 546 { 547 struct usscanner_softc *sc = priv; 548 struct scsipi_xfer *xs = sc->sc_xs; 549 uint32_t len; 550 551 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status)); 552 553 #ifdef USSCANNER_DEBUG 554 if (sc->sc_state != UAS_SENSEDATA) { 555 printf("%s: !UAS_SENSEDATA\n", device_xname(sc->sc_dev)); 556 } 557 #endif 558 559 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 560 561 switch (status) { 562 case USBD_NORMAL_COMPLETION: 563 memcpy(&xs->sense, sc->sc_datain_buffer, len); 564 if (len < sizeof(xs->sense)) 565 xs->error = XS_SHORTSENSE; 566 break; 567 case USBD_TIMEOUT: 568 xs->error = XS_TIMEOUT; 569 break; 570 case USBD_CANCELLED: 571 xs->error = XS_RESET; 572 break; 573 default: 574 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 575 break; 576 } 577 usscanner_done(sc); 578 } 579 580 Static void 581 usscanner_done(struct usscanner_softc *sc) 582 { 583 struct scsipi_xfer *xs = sc->sc_xs; 584 usbd_status err; 585 586 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error)); 587 588 sc->sc_state = UAS_STATUS; 589 usbd_setup_xfer(sc->sc_intr_xfer, sc, &sc->sc_status, 1, 590 USBD_SHORT_XFER_OK, USSCANNER_TIMEOUT, usscanner_intr_cb); 591 err = usbd_transfer(sc->sc_intr_xfer); 592 if (err == USBD_IN_PROGRESS) 593 return; 594 xs->error = XS_DRIVER_STUFFUP; 595 } 596 597 Static void 598 usscanner_sensecmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 599 { 600 struct usscanner_softc *sc = priv; 601 struct scsipi_xfer *xs = sc->sc_xs; 602 usbd_status err; 603 604 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status)); 605 606 #ifdef USSCANNER_DEBUG 607 if (usscannerdebug > 15) 608 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 609 610 if (sc->sc_state != UAS_SENSECMD) { 611 aprint_error_dev(sc->sc_dev, "!UAS_SENSECMD\n"); 612 xs->error = XS_DRIVER_STUFFUP; 613 goto done; 614 } 615 #endif 616 617 switch (status) { 618 case USBD_NORMAL_COMPLETION: 619 break; 620 case USBD_TIMEOUT: 621 xs->error = XS_TIMEOUT; 622 goto done; 623 default: 624 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 625 goto done; 626 } 627 628 sc->sc_state = UAS_SENSEDATA; 629 usbd_setup_xfer(sc->sc_datain_xfer, sc, sc->sc_datain_buffer, 630 sizeof(xs->sense), USBD_SHORT_XFER_OK, 631 USSCANNER_TIMEOUT, usscanner_sensedata_cb); 632 err = usbd_transfer(sc->sc_datain_xfer); 633 if (err == USBD_IN_PROGRESS) 634 return; 635 xs->error = XS_DRIVER_STUFFUP; 636 done: 637 usscanner_done(sc); 638 } 639 640 Static void 641 usscanner_cmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 642 { 643 struct usscanner_softc *sc = priv; 644 struct scsipi_xfer *xs = sc->sc_xs; 645 struct usbd_xfer *dxfer; 646 usbd_status err; 647 648 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status)); 649 650 #ifdef USSCANNER_DEBUG 651 if (usscannerdebug > 15) 652 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 653 654 if (sc->sc_state != UAS_CMD) { 655 aprint_error_dev(sc->sc_dev, "!UAS_CMD\n"); 656 xs->error = XS_DRIVER_STUFFUP; 657 goto done; 658 } 659 #endif 660 661 switch (status) { 662 case USBD_NORMAL_COMPLETION: 663 break; 664 case USBD_TIMEOUT: 665 xs->error = XS_TIMEOUT; 666 goto done; 667 case USBD_CANCELLED: 668 goto done; 669 default: 670 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 671 goto done; 672 } 673 674 if (xs->datalen == 0) { 675 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n")); 676 xs->error = XS_NOERROR; 677 goto done; 678 } 679 680 if (xs->xs_control & XS_CTL_DATA_IN) { 681 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n", 682 xs->datalen)); 683 dxfer = sc->sc_datain_xfer; 684 } else { 685 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n", 686 xs->datalen)); 687 dxfer = sc->sc_dataout_xfer; 688 } 689 sc->sc_state = UAS_DATA; 690 usbd_setup_xfer(dxfer, sc, xs->data, xs->datalen, 691 USBD_SHORT_XFER_OK, xs->timeout, usscanner_data_cb); 692 err = usbd_transfer(dxfer); 693 if (err == USBD_IN_PROGRESS) 694 return; 695 xs->error = XS_DRIVER_STUFFUP; 696 697 done: 698 usscanner_done(sc); 699 } 700 701 Static void 702 usscanner_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 703 void *arg) 704 { 705 struct scsipi_xfer *xs; 706 struct usscanner_softc *sc = 707 device_private(chan->chan_adapter->adapt_dev); 708 usbd_status err; 709 710 switch (req) { 711 case ADAPTER_REQ_RUN_XFER: 712 xs = arg; 713 714 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " 715 "xs=%p cmd=0x%02x datalen=%d (quirks=%#x, poll=%d)\n", 716 device_xname(sc->sc_dev), 717 xs->xs_periph->periph_target, xs->xs_periph->periph_lun, 718 xs, xs->cmd->opcode, xs->datalen, 719 xs->xs_periph->periph_quirks, 720 xs->xs_control & XS_CTL_POLL)); 721 722 if (sc->sc_dying) { 723 xs->error = XS_DRIVER_STUFFUP; 724 goto done; 725 } 726 727 #ifdef USSCANNER_DEBUG 728 if (xs->xs_periph->periph_target != USSCANNER_SCSIID_DEVICE) { 729 DPRINTF(("%s: wrong SCSI ID %d\n", 730 device_xname(sc->sc_dev), 731 xs->xs_periph->periph_target)); 732 xs->error = XS_DRIVER_STUFFUP; 733 goto done; 734 } 735 if (sc->sc_state != UAS_IDLE) { 736 printf("%s: !UAS_IDLE\n", device_xname(sc->sc_dev)); 737 xs->error = XS_DRIVER_STUFFUP; 738 goto done; 739 } 740 #endif 741 742 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { 743 aprint_normal_dev(sc->sc_dev, 744 "usscanner_scsipi_request: large datalen, %d\n", 745 xs->datalen); 746 xs->error = XS_DRIVER_STUFFUP; 747 goto done; 748 } 749 750 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" 751 " datalen=%d\n", device_xname(sc->sc_dev), xs->cmdlen, 752 xs->datalen)); 753 sc->sc_state = UAS_CMD; 754 sc->sc_xs = xs; 755 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); 756 usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, 757 xs->cmdlen, 0, USSCANNER_TIMEOUT, usscanner_cmd_cb); 758 err = usbd_transfer(sc->sc_cmd_xfer); 759 if (err != USBD_IN_PROGRESS) { 760 xs->error = XS_DRIVER_STUFFUP; 761 goto done; 762 } 763 764 return; 765 766 767 done: 768 sc->sc_state = UAS_IDLE; 769 KERNEL_LOCK(1, curlwp); 770 scsipi_done(xs); 771 KERNEL_UNLOCK_ONE(curlwp); 772 return; 773 774 case ADAPTER_REQ_GROW_RESOURCES: 775 /* XXX Not supported. */ 776 return; 777 case ADAPTER_REQ_SET_XFER_MODE: 778 /* XXX Not supported. */ 779 return; 780 } 781 782 } 783
Indexes created Tue Sep 30 11:09:46 GMT 2025