usscanner.c revision 1.48
1 /* $NetBSD: usscanner.c,v 1.48 2020/03/14 02:35:33 christos 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 1.48 2020/03/14 02:35:33 christos 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); 335 336 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 static 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 static 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 if (sc->sc_udev != NULL) 391 usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, 392 sc->sc_dev); 393 394 return rv; 395 } 396 397 Static void 398 usscanner_cleanup(struct usscanner_softc *sc) 399 { 400 if (sc->sc_cmd_xfer != NULL) { 401 usbd_destroy_xfer(sc->sc_cmd_xfer); 402 sc->sc_cmd_xfer = NULL; 403 } 404 if (sc->sc_datain_xfer != NULL) { 405 usbd_destroy_xfer(sc->sc_datain_xfer); 406 sc->sc_datain_xfer = NULL; 407 } 408 if (sc->sc_dataout_xfer != NULL) { 409 usbd_destroy_xfer(sc->sc_dataout_xfer); 410 sc->sc_dataout_xfer = NULL; 411 } 412 if (sc->sc_in_pipe != NULL) { 413 usbd_close_pipe(sc->sc_in_pipe); 414 sc->sc_in_pipe = NULL; 415 } 416 if (sc->sc_intr_pipe != NULL) { 417 usbd_close_pipe(sc->sc_intr_pipe); 418 sc->sc_intr_pipe = NULL; 419 } 420 if (sc->sc_out_pipe != NULL) { 421 usbd_close_pipe(sc->sc_out_pipe); 422 sc->sc_out_pipe = NULL; 423 } 424 } 425 426 static int 427 usscanner_activate(device_t self, enum devact act) 428 { 429 struct usscanner_softc *sc = device_private(self); 430 431 switch (act) { 432 case DVACT_DEACTIVATE: 433 sc->sc_dying = 1; 434 return 0; 435 default: 436 return EOPNOTSUPP; 437 } 438 } 439 440 Static void 441 usscanner_scsipi_minphys(struct buf *bp) 442 { 443 if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) 444 bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; 445 minphys(bp); 446 } 447 448 Static void 449 usscanner_sense(struct usscanner_softc *sc) 450 { 451 struct scsipi_xfer *xs = sc->sc_xs; 452 struct scsipi_periph *periph = xs->xs_periph; 453 struct scsi_request_sense sense_cmd; 454 usbd_status err; 455 456 /* fetch sense data */ 457 memset(&sense_cmd, 0, sizeof(sense_cmd)); 458 sense_cmd.opcode = SCSI_REQUEST_SENSE; 459 sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; 460 sense_cmd.length = sizeof(xs->sense); 461 462 sc->sc_state = UAS_SENSECMD; 463 memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof(sense_cmd)); 464 465 usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, 466 sizeof(sense_cmd), 0, USSCANNER_TIMEOUT, 467 usscanner_sensecmd_cb); 468 err = usbd_transfer(sc->sc_cmd_xfer); 469 if (err == USBD_IN_PROGRESS) 470 return; 471 472 xs->error = XS_DRIVER_STUFFUP; 473 usscanner_done(sc); 474 } 475 476 Static void 477 usscanner_intr_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 478 { 479 struct usscanner_softc *sc = priv; 480 int s; 481 482 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 483 484 #ifdef USSCANNER_DEBUG 485 if (sc->sc_state != UAS_STATUS) { 486 printf("%s: !UAS_STATUS\n", device_xname(sc->sc_dev)); 487 } 488 if (sc->sc_status != 0) { 489 printf("%s: status byte=0x%02x\n", device_xname(sc->sc_dev), 490 sc->sc_status); 491 } 492 #endif 493 /* XXX what should we do on non-0 status */ 494 495 sc->sc_state = UAS_IDLE; 496 497 s = splbio(); 498 KERNEL_LOCK(1, curlwp); 499 scsipi_done(sc->sc_xs); 500 KERNEL_UNLOCK_ONE(curlwp); 501 splx(s); 502 } 503 504 Static void 505 usscanner_data_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 506 { 507 struct usscanner_softc *sc = priv; 508 struct scsipi_xfer *xs = sc->sc_xs; 509 uint32_t len; 510 511 DPRINTFN(10, ("usscanner_data_cb status=%d\n", status)); 512 513 #ifdef USSCANNER_DEBUG 514 if (sc->sc_state != UAS_DATA) { 515 printf("%s: !UAS_DATA\n", device_xname(sc->sc_dev)); 516 } 517 #endif 518 519 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 520 521 xs->resid = xs->datalen - len; 522 523 switch (status) { 524 case USBD_NORMAL_COMPLETION: 525 xs->error = XS_NOERROR; 526 break; 527 case USBD_TIMEOUT: 528 xs->error = XS_TIMEOUT; 529 break; 530 case USBD_CANCELLED: 531 if (xs->error == XS_SENSE) { 532 usscanner_sense(sc); 533 return; 534 } 535 break; 536 default: 537 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 538 break; 539 } 540 usscanner_done(sc); 541 } 542 543 Static void 544 usscanner_sensedata_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 545 { 546 struct usscanner_softc *sc = priv; 547 struct scsipi_xfer *xs = sc->sc_xs; 548 uint32_t len; 549 550 DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n", status)); 551 552 #ifdef USSCANNER_DEBUG 553 if (sc->sc_state != UAS_SENSEDATA) { 554 printf("%s: !UAS_SENSEDATA\n", device_xname(sc->sc_dev)); 555 } 556 #endif 557 558 usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); 559 560 switch (status) { 561 case USBD_NORMAL_COMPLETION: 562 memcpy(&xs->sense, sc->sc_datain_buffer, len); 563 if (len < sizeof(xs->sense)) 564 xs->error = XS_SHORTSENSE; 565 break; 566 case USBD_TIMEOUT: 567 xs->error = XS_TIMEOUT; 568 break; 569 case USBD_CANCELLED: 570 xs->error = XS_RESET; 571 break; 572 default: 573 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 574 break; 575 } 576 usscanner_done(sc); 577 } 578 579 Static void 580 usscanner_done(struct usscanner_softc *sc) 581 { 582 struct scsipi_xfer *xs = sc->sc_xs; 583 usbd_status err; 584 585 DPRINTFN(10,("usscanner_done: error=%d\n", sc->sc_xs->error)); 586 587 sc->sc_state = UAS_STATUS; 588 usbd_setup_xfer(sc->sc_intr_xfer, sc, &sc->sc_status, 1, 589 USBD_SHORT_XFER_OK, USSCANNER_TIMEOUT, usscanner_intr_cb); 590 err = usbd_transfer(sc->sc_intr_xfer); 591 if (err == USBD_IN_PROGRESS) 592 return; 593 xs->error = XS_DRIVER_STUFFUP; 594 } 595 596 Static void 597 usscanner_sensecmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 598 { 599 struct usscanner_softc *sc = priv; 600 struct scsipi_xfer *xs = sc->sc_xs; 601 usbd_status err; 602 603 DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n", status)); 604 605 #ifdef USSCANNER_DEBUG 606 if (usscannerdebug > 15) 607 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 608 609 if (sc->sc_state != UAS_SENSECMD) { 610 aprint_error_dev(sc->sc_dev, "!UAS_SENSECMD\n"); 611 xs->error = XS_DRIVER_STUFFUP; 612 goto done; 613 } 614 #endif 615 616 switch (status) { 617 case USBD_NORMAL_COMPLETION: 618 break; 619 case USBD_TIMEOUT: 620 xs->error = XS_TIMEOUT; 621 goto done; 622 default: 623 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 624 goto done; 625 } 626 627 sc->sc_state = UAS_SENSEDATA; 628 usbd_setup_xfer(sc->sc_datain_xfer, sc, sc->sc_datain_buffer, 629 sizeof(xs->sense), USBD_SHORT_XFER_OK, 630 USSCANNER_TIMEOUT, usscanner_sensedata_cb); 631 err = usbd_transfer(sc->sc_datain_xfer); 632 if (err == USBD_IN_PROGRESS) 633 return; 634 xs->error = XS_DRIVER_STUFFUP; 635 done: 636 usscanner_done(sc); 637 } 638 639 Static void 640 usscanner_cmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) 641 { 642 struct usscanner_softc *sc = priv; 643 struct scsipi_xfer *xs = sc->sc_xs; 644 struct usbd_xfer *dxfer; 645 usbd_status err; 646 647 DPRINTFN(10, ("usscanner_cmd_cb status=%d\n", status)); 648 649 #ifdef USSCANNER_DEBUG 650 if (usscannerdebug > 15) 651 xs->xs_periph->periph_flags |= 1; /* XXX 1 */ 652 653 if (sc->sc_state != UAS_CMD) { 654 aprint_error_dev(sc->sc_dev, "!UAS_CMD\n"); 655 xs->error = XS_DRIVER_STUFFUP; 656 goto done; 657 } 658 #endif 659 660 switch (status) { 661 case USBD_NORMAL_COMPLETION: 662 break; 663 case USBD_TIMEOUT: 664 xs->error = XS_TIMEOUT; 665 goto done; 666 case USBD_CANCELLED: 667 goto done; 668 default: 669 xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ 670 goto done; 671 } 672 673 if (xs->datalen == 0) { 674 DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n")); 675 xs->error = XS_NOERROR; 676 goto done; 677 } 678 679 if (xs->xs_control & XS_CTL_DATA_IN) { 680 DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n", 681 xs->datalen)); 682 dxfer = sc->sc_datain_xfer; 683 } else { 684 DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n", 685 xs->datalen)); 686 dxfer = sc->sc_dataout_xfer; 687 } 688 sc->sc_state = UAS_DATA; 689 usbd_setup_xfer(dxfer, sc, xs->data, xs->datalen, 690 USBD_SHORT_XFER_OK, xs->timeout, usscanner_data_cb); 691 err = usbd_transfer(dxfer); 692 if (err == USBD_IN_PROGRESS) 693 return; 694 xs->error = XS_DRIVER_STUFFUP; 695 696 done: 697 usscanner_done(sc); 698 } 699 700 Static void 701 usscanner_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, 702 void *arg) 703 { 704 struct scsipi_xfer *xs; 705 struct usscanner_softc *sc = 706 device_private(chan->chan_adapter->adapt_dev); 707 usbd_status err; 708 709 switch (req) { 710 case ADAPTER_REQ_RUN_XFER: 711 xs = arg; 712 713 DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " 714 "xs=%p cmd=0x%02x datalen=%d (quirks=%#x, poll=%d)\n", 715 device_xname(sc->sc_dev), 716 xs->xs_periph->periph_target, xs->xs_periph->periph_lun, 717 xs, xs->cmd->opcode, xs->datalen, 718 xs->xs_periph->periph_quirks, 719 xs->xs_control & XS_CTL_POLL)); 720 721 if (sc->sc_dying) { 722 xs->error = XS_DRIVER_STUFFUP; 723 goto done; 724 } 725 726 #ifdef USSCANNER_DEBUG 727 if (xs->xs_periph->periph_target != USSCANNER_SCSIID_DEVICE) { 728 DPRINTF(("%s: wrong SCSI ID %d\n", 729 device_xname(sc->sc_dev), 730 xs->xs_periph->periph_target)); 731 xs->error = XS_DRIVER_STUFFUP; 732 goto done; 733 } 734 if (sc->sc_state != UAS_IDLE) { 735 printf("%s: !UAS_IDLE\n", device_xname(sc->sc_dev)); 736 xs->error = XS_DRIVER_STUFFUP; 737 goto done; 738 } 739 #endif 740 741 if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { 742 aprint_normal_dev(sc->sc_dev, 743 "usscanner_scsipi_request: large datalen, %d\n", 744 xs->datalen); 745 xs->error = XS_DRIVER_STUFFUP; 746 goto done; 747 } 748 749 DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" 750 " datalen=%d\n", device_xname(sc->sc_dev), xs->cmdlen, 751 xs->datalen)); 752 sc->sc_state = UAS_CMD; 753 sc->sc_xs = xs; 754 memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); 755 usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, 756 xs->cmdlen, 0, USSCANNER_TIMEOUT, usscanner_cmd_cb); 757 err = usbd_transfer(sc->sc_cmd_xfer); 758 if (err != USBD_IN_PROGRESS) { 759 xs->error = XS_DRIVER_STUFFUP; 760 goto done; 761 } 762 763 return; 764 765 766 done: 767 sc->sc_state = UAS_IDLE; 768 KERNEL_LOCK(1, curlwp); 769 scsipi_done(xs); 770 KERNEL_UNLOCK_ONE(curlwp); 771 return; 772 773 case ADAPTER_REQ_GROW_RESOURCES: 774 /* XXX Not supported. */ 775 return; 776 case ADAPTER_REQ_SET_XFER_MODE: 777 /* XXX Not supported. */ 778 return; 779 } 780 781 } 782
Indexes created Tue Sep 30 20:09:53 GMT 2025