| 1 | /* $NetBSD: usscanner.c,v 1.40 2016/07/07 06:55:42 msaitoh 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@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 1.40 2016/07/07 06:55:42 msaitoh Exp $" ); |
| 51 | |
| 52 | #include "scsibus.h" |
| 53 | #include <sys/param.h> |
| 54 | #include <sys/systm.h> |
| 55 | #include <sys/kernel.h> |
| 56 | #include <sys/lwp.h> |
| 57 | #include <sys/device.h> |
| 58 | #include <sys/conf.h> |
| 59 | #include <sys/buf.h> |
| 60 | |
| 61 | #include <dev/usb/usb.h> |
| 62 | #include <dev/usb/usbdi.h> |
| 63 | #include <dev/usb/usbdi_util.h> |
| 64 | |
| 65 | #include <dev/usb/usbdevs.h> |
| 66 | |
| 67 | #include <sys/scsiio.h> |
| 68 | #include <dev/scsipi/scsi_spc.h> |
| 69 | #include <dev/scsipi/scsi_all.h> |
| 70 | #include <dev/scsipi/scsipi_all.h> |
| 71 | #include <dev/scsipi/scsiconf.h> |
| 72 | #include <dev/scsipi/atapiconf.h> |
| 73 | |
| 74 | #ifdef USSCANNER_DEBUG |
| 75 | #define DPRINTF(x) if (usscannerdebug) printf x |
| 76 | #define DPRINTFN(n,x) if (usscannerdebug>(n)) printf x |
| 77 | int usscannerdebug = 0; |
| 78 | #else |
| 79 | #define DPRINTF(x) |
| 80 | #define DPRINTFN(n,x) |
| 81 | #endif |
| 82 | |
| 83 | |
| 84 | #define USSCANNER_CONFIG_NO 1 |
| 85 | #define USSCANNER_IFACE_IDX 0 |
| 86 | |
| 87 | #define USSCANNER_SCSIID_HOST 0x00 |
| 88 | #define USSCANNER_SCSIID_DEVICE 0x01 |
| 89 | |
| 90 | #define USSCANNER_MAX_TRANSFER_SIZE MAXPHYS |
| 91 | |
| 92 | #define USSCANNER_TIMEOUT 2000 |
| 93 | |
| 94 | struct usscanner_softc { |
| 95 | device_t sc_dev; |
| 96 | struct usbd_device *sc_udev; |
| 97 | struct usbd_interface *sc_iface; |
| 98 | |
| 99 | int sc_in_addr; |
| 100 | struct usbd_pipe *sc_in_pipe; |
| 101 | |
| 102 | int sc_intr_addr; |
| 103 | struct usbd_pipe *sc_intr_pipe; |
| 104 | struct usbd_xfer *sc_intr_xfer; |
| 105 | u_char sc_status; |
| 106 | |
| 107 | int sc_out_addr; |
| 108 | struct usbd_pipe *sc_out_pipe; |
| 109 | |
| 110 | struct usbd_xfer *sc_cmd_xfer; |
| 111 | void *sc_cmd_buffer; |
| 112 | struct usbd_xfer *sc_datain_xfer; |
| 113 | void *sc_datain_buffer; |
| 114 | struct usbd_xfer *sc_dataout_xfer; |
| 115 | void *sc_dataout_buffer; |
| 116 | |
| 117 | int sc_state; |
| 118 | #define UAS_IDLE 0 |
| 119 | #define UAS_CMD 1 |
| 120 | #define UAS_DATA 2 |
| 121 | #define UAS_SENSECMD 3 |
| 122 | #define UAS_SENSEDATA 4 |
| 123 | #define UAS_STATUS 5 |
| 124 | |
| 125 | struct scsipi_xfer *sc_xs; |
| 126 | |
| 127 | device_t sc_child; /* child device, for detach */ |
| 128 | |
| 129 | struct scsipi_adapter sc_adapter; |
| 130 | struct scsipi_channel sc_channel; |
| 131 | |
| 132 | int sc_refcnt; |
| 133 | char sc_dying; |
| 134 | }; |
| 135 | |
| 136 | |
| 137 | Static void usscanner_cleanup(struct usscanner_softc *); |
| 138 | Static void usscanner_scsipi_request(struct scsipi_channel *, |
| 139 | scsipi_adapter_req_t, void *); |
| 140 | Static void usscanner_scsipi_minphys(struct buf *); |
| 141 | Static void usscanner_done(struct usscanner_softc *); |
| 142 | Static void usscanner_sense(struct usscanner_softc *); |
| 143 | typedef void callback(struct usbd_xfer *, void *, usbd_status); |
| 144 | Static callback usscanner_intr_cb; |
| 145 | Static callback usscanner_cmd_cb; |
| 146 | Static callback usscanner_data_cb; |
| 147 | Static callback usscanner_sensecmd_cb; |
| 148 | Static callback usscanner_sensedata_cb; |
| 149 | |
| 150 | int usscanner_match(device_t, cfdata_t, void *); |
| 151 | void usscanner_attach(device_t, device_t, void *); |
| 152 | void usscanner_childdet(device_t, device_t); |
| 153 | int usscanner_detach(device_t, int); |
| 154 | int usscanner_activate(device_t, enum devact); |
| 155 | extern struct cfdriver usscanner_cd; |
| 156 | CFATTACH_DECL2_NEW(usscanner, sizeof(struct usscanner_softc), |
| 157 | usscanner_match, usscanner_attach, usscanner_detach, usscanner_activate, |
| 158 | NULL, usscanner_childdet); |
| 159 | |
| 160 | int |
| 161 | usscanner_match(device_t parent, cfdata_t match, void *aux) |
| 162 | { |
| 163 | struct usb_attach_arg *uaa = aux; |
| 164 | |
| 165 | DPRINTFN(50,("usscanner_match\n" )); |
| 166 | |
| 167 | if (uaa->uaa_vendor == USB_VENDOR_HP && |
| 168 | uaa->uaa_product == USB_PRODUCT_HP_5300C) |
| 169 | return UMATCH_VENDOR_PRODUCT; |
| 170 | else |
| 171 | return UMATCH_NONE; |
| 172 | } |
| 173 | |
| 174 | void |
| 175 | usscanner_attach(device_t parent, device_t self, void *aux) |
| 176 | { |
| 177 | struct usscanner_softc *sc = device_private(self); |
| 178 | struct usb_attach_arg *uaa = aux; |
| 179 | struct usbd_device * dev = uaa->uaa_device; |
| 180 | struct usbd_interface * iface; |
| 181 | char *devinfop; |
| 182 | usbd_status err; |
| 183 | usb_endpoint_descriptor_t *ed; |
| 184 | uint8_t epcount; |
| 185 | int i; |
| 186 | int error; |
| 187 | |
| 188 | DPRINTFN(10,("usscanner_attach: sc=%p\n" , sc)); |
| 189 | |
| 190 | sc->sc_dev = self; |
| 191 | |
| 192 | aprint_naive("\n" ); |
| 193 | aprint_normal("\n" ); |
| 194 | |
| 195 | devinfop = usbd_devinfo_alloc(dev, 0); |
| 196 | aprint_normal_dev(self, "%s\n" , devinfop); |
| 197 | usbd_devinfo_free(devinfop); |
| 198 | |
| 199 | err = usbd_set_config_no(dev, USSCANNER_CONFIG_NO, 1); |
| 200 | if (err) { |
| 201 | aprint_error_dev(self, "failed to set configuration, err=%s\n" , |
| 202 | usbd_errstr(err)); |
| 203 | return; |
| 204 | } |
| 205 | |
| 206 | err = usbd_device2interface_handle(dev, USSCANNER_IFACE_IDX, &iface); |
| 207 | if (err) { |
| 208 | aprint_error_dev(self, "getting interface handle failed\n" ); |
| 209 | return; |
| 210 | } |
| 211 | |
| 212 | sc->sc_udev = dev; |
| 213 | sc->sc_iface = iface; |
| 214 | |
| 215 | epcount = 0; |
| 216 | (void)usbd_endpoint_count(iface, &epcount); |
| 217 | |
| 218 | sc->sc_in_addr = -1; |
| 219 | sc->sc_intr_addr = -1; |
| 220 | sc->sc_out_addr = -1; |
| 221 | for (i = 0; i < epcount; i++) { |
| 222 | ed = usbd_interface2endpoint_descriptor(iface, i); |
| 223 | if (ed == NULL) { |
| 224 | aprint_error_dev(self, "couldn't get ep %d\n" , i); |
| 225 | return; |
| 226 | } |
| 227 | if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 228 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 229 | sc->sc_in_addr = ed->bEndpointAddress; |
| 230 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_IN && |
| 231 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_INTERRUPT) { |
| 232 | sc->sc_intr_addr = ed->bEndpointAddress; |
| 233 | } else if (UE_GET_DIR(ed->bEndpointAddress) == UE_DIR_OUT && |
| 234 | UE_GET_XFERTYPE(ed->bmAttributes) == UE_BULK) { |
| 235 | sc->sc_out_addr = ed->bEndpointAddress; |
| 236 | } |
| 237 | } |
| 238 | if (sc->sc_in_addr == -1 || sc->sc_intr_addr == -1 || |
| 239 | sc->sc_out_addr == -1) { |
| 240 | aprint_error_dev(self, "missing endpoint\n" ); |
| 241 | return; |
| 242 | } |
| 243 | |
| 244 | err = usbd_open_pipe(sc->sc_iface, sc->sc_in_addr, |
| 245 | USBD_EXCLUSIVE_USE, &sc->sc_in_pipe); |
| 246 | if (err) { |
| 247 | aprint_error_dev(self, "open in pipe failed, err=%d\n" , err); |
| 248 | return; |
| 249 | } |
| 250 | |
| 251 | /* The interrupt endpoint must be opened as a normal pipe. */ |
| 252 | err = usbd_open_pipe(sc->sc_iface, sc->sc_intr_addr, |
| 253 | USBD_EXCLUSIVE_USE, &sc->sc_intr_pipe); |
| 254 | |
| 255 | if (err) { |
| 256 | aprint_error_dev(self, "open intr pipe failed, err=%d\n" , err); |
| 257 | usscanner_cleanup(sc); |
| 258 | return; |
| 259 | } |
| 260 | err = usbd_open_pipe(sc->sc_iface, sc->sc_out_addr, |
| 261 | USBD_EXCLUSIVE_USE, &sc->sc_out_pipe); |
| 262 | if (err) { |
| 263 | aprint_error_dev(self, "open out pipe failed, err=%d\n" , err); |
| 264 | usscanner_cleanup(sc); |
| 265 | return; |
| 266 | } |
| 267 | |
| 268 | /* XXX too big */ |
| 269 | error = usbd_create_xfer(sc->sc_out_pipe, USSCANNER_MAX_TRANSFER_SIZE, |
| 270 | 0, 0, &sc->sc_cmd_xfer); |
| 271 | if (error) { |
| 272 | aprint_error_dev(self, "alloc cmd xfer failed, error=%d\n" , |
| 273 | error); |
| 274 | usscanner_cleanup(sc); |
| 275 | return; |
| 276 | } |
| 277 | |
| 278 | sc->sc_cmd_buffer = usbd_get_buffer(sc->sc_cmd_xfer); |
| 279 | |
| 280 | error = usbd_create_xfer(sc->sc_intr_pipe, 1, USBD_SHORT_XFER_OK, |
| 281 | 0, &sc->sc_intr_xfer); |
| 282 | if (error) { |
| 283 | aprint_error_dev(self, "alloc intr xfer failed, error=%d\n" , |
| 284 | error); |
| 285 | usscanner_cleanup(sc); |
| 286 | return; |
| 287 | } |
| 288 | |
| 289 | error = usbd_create_xfer(sc->sc_in_pipe, USSCANNER_MAX_TRANSFER_SIZE, |
| 290 | USBD_SHORT_XFER_OK, 0, &sc->sc_datain_xfer); |
| 291 | if (error) { |
| 292 | aprint_error_dev(self, "alloc data xfer failed, error=%d\n" , |
| 293 | error); |
| 294 | usscanner_cleanup(sc); |
| 295 | return; |
| 296 | } |
| 297 | sc->sc_datain_buffer = usbd_get_buffer(sc->sc_datain_xfer); |
| 298 | |
| 299 | error = usbd_create_xfer(sc->sc_out_pipe, USSCANNER_MAX_TRANSFER_SIZE, |
| 300 | USBD_SHORT_XFER_OK, 0, &sc->sc_dataout_xfer); |
| 301 | if (error) { |
| 302 | aprint_error_dev(self, "alloc data xfer failed, err=%d\n" , err); |
| 303 | usscanner_cleanup(sc); |
| 304 | return; |
| 305 | } |
| 306 | sc->sc_dataout_buffer = usbd_get_buffer(sc->sc_dataout_xfer); |
| 307 | |
| 308 | /* |
| 309 | * Fill in the adapter. |
| 310 | */ |
| 311 | sc->sc_adapter.adapt_request = usscanner_scsipi_request; |
| 312 | sc->sc_adapter.adapt_dev = sc->sc_dev; |
| 313 | sc->sc_adapter.adapt_nchannels = 1; |
| 314 | sc->sc_adapter.adapt_openings = 1; |
| 315 | sc->sc_adapter.adapt_max_periph = 1; |
| 316 | sc->sc_adapter.adapt_minphys = usscanner_scsipi_minphys; |
| 317 | |
| 318 | #if NSCSIBUS > 0 |
| 319 | /* |
| 320 | * fill in the scsipi_channel. |
| 321 | */ |
| 322 | sc->sc_channel.chan_adapter = &sc->sc_adapter; |
| 323 | sc->sc_channel.chan_bustype = &scsi_bustype; |
| 324 | sc->sc_channel.chan_channel = 0; |
| 325 | sc->sc_channel.chan_ntargets = USSCANNER_SCSIID_DEVICE + 1; |
| 326 | sc->sc_channel.chan_nluns = 1; |
| 327 | sc->sc_channel.chan_id = USSCANNER_SCSIID_HOST; |
| 328 | |
| 329 | usbd_add_drv_event(USB_EVENT_DRIVER_ATTACH, sc->sc_udev, sc->sc_dev); |
| 330 | |
| 331 | sc->sc_child = config_found(sc->sc_dev, &sc->sc_channel, scsiprint); |
| 332 | |
| 333 | DPRINTFN(10, ("usscanner_attach: %p\n" , sc->sc_udev)); |
| 334 | |
| 335 | return; |
| 336 | |
| 337 | #else |
| 338 | /* No SCSI bus, just ignore it */ |
| 339 | usscanner_cleanup(sc); |
| 340 | |
| 341 | aprint_error_dev(self, |
| 342 | "no scsibus configured, see usscanner(4) for details\n" ); |
| 343 | |
| 344 | return; |
| 345 | |
| 346 | #endif |
| 347 | } |
| 348 | |
| 349 | void |
| 350 | usscanner_childdet(device_t self, device_t child) |
| 351 | { |
| 352 | struct usscanner_softc *sc = device_private(self); |
| 353 | |
| 354 | KASSERT(sc->sc_child == NULL); |
| 355 | sc->sc_child = NULL; |
| 356 | } |
| 357 | |
| 358 | int |
| 359 | usscanner_detach(device_t self, int flags) |
| 360 | { |
| 361 | struct usscanner_softc *sc = device_private(self); |
| 362 | int rv, s; |
| 363 | |
| 364 | DPRINTF(("usscanner_detach: sc=%p flags=%d\n" , sc, flags)); |
| 365 | |
| 366 | sc->sc_dying = 1; |
| 367 | /* Abort all pipes. Causes processes waiting for transfer to wake. */ |
| 368 | if (sc->sc_in_pipe != NULL) |
| 369 | usbd_abort_pipe(sc->sc_in_pipe); |
| 370 | if (sc->sc_intr_pipe != NULL) |
| 371 | usbd_abort_pipe(sc->sc_intr_pipe); |
| 372 | if (sc->sc_out_pipe != NULL) |
| 373 | usbd_abort_pipe(sc->sc_out_pipe); |
| 374 | |
| 375 | s = splusb(); |
| 376 | if (--sc->sc_refcnt >= 0) { |
| 377 | /* Wait for processes to go away. */ |
| 378 | usb_detach_waitold(sc->sc_dev); |
| 379 | } |
| 380 | splx(s); |
| 381 | |
| 382 | if (sc->sc_child != NULL) |
| 383 | rv = config_detach(sc->sc_child, flags); |
| 384 | else |
| 385 | rv = 0; |
| 386 | |
| 387 | usbd_add_drv_event(USB_EVENT_DRIVER_DETACH, sc->sc_udev, sc->sc_dev); |
| 388 | |
| 389 | return rv; |
| 390 | } |
| 391 | |
| 392 | Static void |
| 393 | usscanner_cleanup(struct usscanner_softc *sc) |
| 394 | { |
| 395 | if (sc->sc_cmd_xfer != NULL) { |
| 396 | usbd_destroy_xfer(sc->sc_cmd_xfer); |
| 397 | sc->sc_cmd_xfer = NULL; |
| 398 | } |
| 399 | if (sc->sc_datain_xfer != NULL) { |
| 400 | usbd_destroy_xfer(sc->sc_datain_xfer); |
| 401 | sc->sc_datain_xfer = NULL; |
| 402 | } |
| 403 | if (sc->sc_dataout_xfer != NULL) { |
| 404 | usbd_destroy_xfer(sc->sc_dataout_xfer); |
| 405 | sc->sc_dataout_xfer = NULL; |
| 406 | } |
| 407 | if (sc->sc_in_pipe != NULL) { |
| 408 | usbd_close_pipe(sc->sc_in_pipe); |
| 409 | sc->sc_in_pipe = NULL; |
| 410 | } |
| 411 | if (sc->sc_intr_pipe != NULL) { |
| 412 | usbd_close_pipe(sc->sc_intr_pipe); |
| 413 | sc->sc_intr_pipe = NULL; |
| 414 | } |
| 415 | if (sc->sc_out_pipe != NULL) { |
| 416 | usbd_close_pipe(sc->sc_out_pipe); |
| 417 | sc->sc_out_pipe = NULL; |
| 418 | } |
| 419 | } |
| 420 | |
| 421 | int |
| 422 | usscanner_activate(device_t self, enum devact act) |
| 423 | { |
| 424 | struct usscanner_softc *sc = device_private(self); |
| 425 | |
| 426 | switch (act) { |
| 427 | case DVACT_DEACTIVATE: |
| 428 | sc->sc_dying = 1; |
| 429 | return 0; |
| 430 | default: |
| 431 | return EOPNOTSUPP; |
| 432 | } |
| 433 | } |
| 434 | |
| 435 | Static void |
| 436 | usscanner_scsipi_minphys(struct buf *bp) |
| 437 | { |
| 438 | if (bp->b_bcount > USSCANNER_MAX_TRANSFER_SIZE) |
| 439 | bp->b_bcount = USSCANNER_MAX_TRANSFER_SIZE; |
| 440 | minphys(bp); |
| 441 | } |
| 442 | |
| 443 | Static void |
| 444 | usscanner_sense(struct usscanner_softc *sc) |
| 445 | { |
| 446 | struct scsipi_xfer *xs = sc->sc_xs; |
| 447 | struct scsipi_periph *periph = xs->xs_periph; |
| 448 | struct scsi_request_sense sense_cmd; |
| 449 | usbd_status err; |
| 450 | |
| 451 | /* fetch sense data */ |
| 452 | memset(&sense_cmd, 0, sizeof(sense_cmd)); |
| 453 | sense_cmd.opcode = SCSI_REQUEST_SENSE; |
| 454 | sense_cmd.byte2 = periph->periph_lun << SCSI_CMD_LUN_SHIFT; |
| 455 | sense_cmd.length = sizeof(xs->sense); |
| 456 | |
| 457 | sc->sc_state = UAS_SENSECMD; |
| 458 | memcpy(sc->sc_cmd_buffer, &sense_cmd, sizeof(sense_cmd)); |
| 459 | |
| 460 | usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, |
| 461 | sizeof(sense_cmd), 0, USSCANNER_TIMEOUT, |
| 462 | usscanner_sensecmd_cb); |
| 463 | err = usbd_transfer(sc->sc_cmd_xfer); |
| 464 | if (err == USBD_IN_PROGRESS) |
| 465 | return; |
| 466 | |
| 467 | xs->error = XS_DRIVER_STUFFUP; |
| 468 | usscanner_done(sc); |
| 469 | } |
| 470 | |
| 471 | Static void |
| 472 | usscanner_intr_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 473 | { |
| 474 | struct usscanner_softc *sc = priv; |
| 475 | int s; |
| 476 | |
| 477 | DPRINTFN(10, ("usscanner_data_cb status=%d\n" , status)); |
| 478 | |
| 479 | #ifdef USSCANNER_DEBUG |
| 480 | if (sc->sc_state != UAS_STATUS) { |
| 481 | printf("%s: !UAS_STATUS\n" , device_xname(sc->sc_dev)); |
| 482 | } |
| 483 | if (sc->sc_status != 0) { |
| 484 | printf("%s: status byte=0x%02x\n" , device_xname(sc->sc_dev), |
| 485 | sc->sc_status); |
| 486 | } |
| 487 | #endif |
| 488 | /* XXX what should we do on non-0 status */ |
| 489 | |
| 490 | sc->sc_state = UAS_IDLE; |
| 491 | |
| 492 | s = splbio(); |
| 493 | KERNEL_LOCK(1, curlwp); |
| 494 | scsipi_done(sc->sc_xs); |
| 495 | KERNEL_UNLOCK_ONE(curlwp); |
| 496 | splx(s); |
| 497 | } |
| 498 | |
| 499 | Static void |
| 500 | usscanner_data_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 501 | { |
| 502 | struct usscanner_softc *sc = priv; |
| 503 | struct scsipi_xfer *xs = sc->sc_xs; |
| 504 | uint32_t len; |
| 505 | |
| 506 | DPRINTFN(10, ("usscanner_data_cb status=%d\n" , status)); |
| 507 | |
| 508 | #ifdef USSCANNER_DEBUG |
| 509 | if (sc->sc_state != UAS_DATA) { |
| 510 | printf("%s: !UAS_DATA\n" , device_xname(sc->sc_dev)); |
| 511 | } |
| 512 | #endif |
| 513 | |
| 514 | usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); |
| 515 | |
| 516 | xs->resid = xs->datalen - len; |
| 517 | |
| 518 | switch (status) { |
| 519 | case USBD_NORMAL_COMPLETION: |
| 520 | xs->error = XS_NOERROR; |
| 521 | break; |
| 522 | case USBD_TIMEOUT: |
| 523 | xs->error = XS_TIMEOUT; |
| 524 | break; |
| 525 | case USBD_CANCELLED: |
| 526 | if (xs->error == XS_SENSE) { |
| 527 | usscanner_sense(sc); |
| 528 | return; |
| 529 | } |
| 530 | break; |
| 531 | default: |
| 532 | xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ |
| 533 | break; |
| 534 | } |
| 535 | usscanner_done(sc); |
| 536 | } |
| 537 | |
| 538 | Static void |
| 539 | usscanner_sensedata_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 540 | { |
| 541 | struct usscanner_softc *sc = priv; |
| 542 | struct scsipi_xfer *xs = sc->sc_xs; |
| 543 | uint32_t len; |
| 544 | |
| 545 | DPRINTFN(10, ("usscanner_sensedata_cb status=%d\n" , status)); |
| 546 | |
| 547 | #ifdef USSCANNER_DEBUG |
| 548 | if (sc->sc_state != UAS_SENSEDATA) { |
| 549 | printf("%s: !UAS_SENSEDATA\n" , device_xname(sc->sc_dev)); |
| 550 | } |
| 551 | #endif |
| 552 | |
| 553 | usbd_get_xfer_status(xfer, NULL, NULL, &len, NULL); |
| 554 | |
| 555 | switch (status) { |
| 556 | case USBD_NORMAL_COMPLETION: |
| 557 | memcpy(&xs->sense, sc->sc_datain_buffer, len); |
| 558 | if (len < sizeof(xs->sense)) |
| 559 | xs->error = XS_SHORTSENSE; |
| 560 | break; |
| 561 | case USBD_TIMEOUT: |
| 562 | xs->error = XS_TIMEOUT; |
| 563 | break; |
| 564 | case USBD_CANCELLED: |
| 565 | xs->error = XS_RESET; |
| 566 | break; |
| 567 | default: |
| 568 | xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ |
| 569 | break; |
| 570 | } |
| 571 | usscanner_done(sc); |
| 572 | } |
| 573 | |
| 574 | Static void |
| 575 | usscanner_done(struct usscanner_softc *sc) |
| 576 | { |
| 577 | struct scsipi_xfer *xs = sc->sc_xs; |
| 578 | usbd_status err; |
| 579 | |
| 580 | DPRINTFN(10,("usscanner_done: error=%d\n" , sc->sc_xs->error)); |
| 581 | |
| 582 | sc->sc_state = UAS_STATUS; |
| 583 | usbd_setup_xfer(sc->sc_intr_xfer, sc, &sc->sc_status, 1, |
| 584 | USBD_SHORT_XFER_OK, USSCANNER_TIMEOUT, usscanner_intr_cb); |
| 585 | err = usbd_transfer(sc->sc_intr_xfer); |
| 586 | if (err == USBD_IN_PROGRESS) |
| 587 | return; |
| 588 | xs->error = XS_DRIVER_STUFFUP; |
| 589 | } |
| 590 | |
| 591 | Static void |
| 592 | usscanner_sensecmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 593 | { |
| 594 | struct usscanner_softc *sc = priv; |
| 595 | struct scsipi_xfer *xs = sc->sc_xs; |
| 596 | usbd_status err; |
| 597 | |
| 598 | DPRINTFN(10, ("usscanner_sensecmd_cb status=%d\n" , status)); |
| 599 | |
| 600 | #ifdef USSCANNER_DEBUG |
| 601 | if (usscannerdebug > 15) |
| 602 | xs->xs_periph->periph_flags |= 1; /* XXX 1 */ |
| 603 | |
| 604 | if (sc->sc_state != UAS_SENSECMD) { |
| 605 | aprint_error_dev(sc->sc_dev, "!UAS_SENSECMD\n" ); |
| 606 | xs->error = XS_DRIVER_STUFFUP; |
| 607 | goto done; |
| 608 | } |
| 609 | #endif |
| 610 | |
| 611 | switch (status) { |
| 612 | case USBD_NORMAL_COMPLETION: |
| 613 | break; |
| 614 | case USBD_TIMEOUT: |
| 615 | xs->error = XS_TIMEOUT; |
| 616 | goto done; |
| 617 | default: |
| 618 | xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ |
| 619 | goto done; |
| 620 | } |
| 621 | |
| 622 | sc->sc_state = UAS_SENSEDATA; |
| 623 | usbd_setup_xfer(sc->sc_datain_xfer, sc, sc->sc_datain_buffer, |
| 624 | sizeof(xs->sense), USBD_SHORT_XFER_OK, |
| 625 | USSCANNER_TIMEOUT, usscanner_sensedata_cb); |
| 626 | err = usbd_transfer(sc->sc_datain_xfer); |
| 627 | if (err == USBD_IN_PROGRESS) |
| 628 | return; |
| 629 | xs->error = XS_DRIVER_STUFFUP; |
| 630 | done: |
| 631 | usscanner_done(sc); |
| 632 | } |
| 633 | |
| 634 | Static void |
| 635 | usscanner_cmd_cb(struct usbd_xfer *xfer, void *priv, usbd_status status) |
| 636 | { |
| 637 | struct usscanner_softc *sc = priv; |
| 638 | struct scsipi_xfer *xs = sc->sc_xs; |
| 639 | struct usbd_xfer *dxfer; |
| 640 | usbd_status err; |
| 641 | |
| 642 | DPRINTFN(10, ("usscanner_cmd_cb status=%d\n" , status)); |
| 643 | |
| 644 | #ifdef USSCANNER_DEBUG |
| 645 | if (usscannerdebug > 15) |
| 646 | xs->xs_periph->periph_flags |= 1; /* XXX 1 */ |
| 647 | |
| 648 | if (sc->sc_state != UAS_CMD) { |
| 649 | aprint_error_dev(sc->sc_dev, "!UAS_CMD\n" ); |
| 650 | xs->error = XS_DRIVER_STUFFUP; |
| 651 | goto done; |
| 652 | } |
| 653 | #endif |
| 654 | |
| 655 | switch (status) { |
| 656 | case USBD_NORMAL_COMPLETION: |
| 657 | break; |
| 658 | case USBD_TIMEOUT: |
| 659 | xs->error = XS_TIMEOUT; |
| 660 | goto done; |
| 661 | case USBD_CANCELLED: |
| 662 | goto done; |
| 663 | default: |
| 664 | xs->error = XS_DRIVER_STUFFUP; /* XXX ? */ |
| 665 | goto done; |
| 666 | } |
| 667 | |
| 668 | if (xs->datalen == 0) { |
| 669 | DPRINTFN(4, ("usscanner_cmd_cb: no data phase\n" )); |
| 670 | xs->error = XS_NOERROR; |
| 671 | goto done; |
| 672 | } |
| 673 | |
| 674 | if (xs->xs_control & XS_CTL_DATA_IN) { |
| 675 | DPRINTFN(4, ("usscanner_cmd_cb: data in len=%d\n" , |
| 676 | xs->datalen)); |
| 677 | dxfer = sc->sc_datain_xfer; |
| 678 | } else { |
| 679 | DPRINTFN(4, ("usscanner_cmd_cb: data out len=%d\n" , |
| 680 | xs->datalen)); |
| 681 | dxfer = sc->sc_dataout_xfer; |
| 682 | } |
| 683 | sc->sc_state = UAS_DATA; |
| 684 | usbd_setup_xfer(dxfer, sc, xs->data, xs->datalen, |
| 685 | USBD_SHORT_XFER_OK, xs->timeout, usscanner_data_cb); |
| 686 | err = usbd_transfer(dxfer); |
| 687 | if (err == USBD_IN_PROGRESS) |
| 688 | return; |
| 689 | xs->error = XS_DRIVER_STUFFUP; |
| 690 | |
| 691 | done: |
| 692 | usscanner_done(sc); |
| 693 | } |
| 694 | |
| 695 | Static void |
| 696 | usscanner_scsipi_request(struct scsipi_channel *chan, scsipi_adapter_req_t req, |
| 697 | void *arg) |
| 698 | { |
| 699 | struct scsipi_xfer *xs; |
| 700 | struct usscanner_softc *sc = |
| 701 | device_private(chan->chan_adapter->adapt_dev); |
| 702 | usbd_status err; |
| 703 | |
| 704 | switch (req) { |
| 705 | case ADAPTER_REQ_RUN_XFER: |
| 706 | xs = arg; |
| 707 | |
| 708 | DPRINTFN(8, ("%s: usscanner_scsipi_request: %d:%d " |
| 709 | "xs=%p cmd=0x%02x datalen=%d (quirks=0x%x, poll=%d)\n" , |
| 710 | device_xname(sc->sc_dev), |
| 711 | xs->xs_periph->periph_target, xs->xs_periph->periph_lun, |
| 712 | xs, xs->cmd->opcode, xs->datalen, |
| 713 | xs->xs_periph->periph_quirks, |
| 714 | xs->xs_control & XS_CTL_POLL)); |
| 715 | |
| 716 | if (sc->sc_dying) { |
| 717 | xs->error = XS_DRIVER_STUFFUP; |
| 718 | goto done; |
| 719 | } |
| 720 | |
| 721 | #ifdef USSCANNER_DEBUG |
| 722 | if (xs->xs_periph->periph_target != USSCANNER_SCSIID_DEVICE) { |
| 723 | DPRINTF(("%s: wrong SCSI ID %d\n" , |
| 724 | device_xname(sc->sc_dev), |
| 725 | xs->xs_periph->periph_target)); |
| 726 | xs->error = XS_DRIVER_STUFFUP; |
| 727 | goto done; |
| 728 | } |
| 729 | if (sc->sc_state != UAS_IDLE) { |
| 730 | printf("%s: !UAS_IDLE\n" , device_xname(sc->sc_dev)); |
| 731 | xs->error = XS_DRIVER_STUFFUP; |
| 732 | goto done; |
| 733 | } |
| 734 | #endif |
| 735 | |
| 736 | if (xs->datalen > USSCANNER_MAX_TRANSFER_SIZE) { |
| 737 | aprint_normal_dev(sc->sc_dev, |
| 738 | "usscanner_scsipi_request: large datalen, %d\n" , |
| 739 | xs->datalen); |
| 740 | xs->error = XS_DRIVER_STUFFUP; |
| 741 | goto done; |
| 742 | } |
| 743 | |
| 744 | DPRINTFN(4, ("%s: usscanner_scsipi_request: async cmdlen=%d" |
| 745 | " datalen=%d\n" , device_xname(sc->sc_dev), xs->cmdlen, |
| 746 | xs->datalen)); |
| 747 | sc->sc_state = UAS_CMD; |
| 748 | sc->sc_xs = xs; |
| 749 | memcpy(sc->sc_cmd_buffer, xs->cmd, xs->cmdlen); |
| 750 | usbd_setup_xfer(sc->sc_cmd_xfer, sc, sc->sc_cmd_buffer, |
| 751 | xs->cmdlen, 0, USSCANNER_TIMEOUT, usscanner_cmd_cb); |
| 752 | err = usbd_transfer(sc->sc_cmd_xfer); |
| 753 | if (err != USBD_IN_PROGRESS) { |
| 754 | xs->error = XS_DRIVER_STUFFUP; |
| 755 | goto done; |
| 756 | } |
| 757 | |
| 758 | return; |
| 759 | |
| 760 | |
| 761 | done: |
| 762 | sc->sc_state = UAS_IDLE; |
| 763 | KERNEL_LOCK(1, curlwp); |
| 764 | scsipi_done(xs); |
| 765 | KERNEL_UNLOCK_ONE(curlwp); |
| 766 | return; |
| 767 | |
| 768 | case ADAPTER_REQ_GROW_RESOURCES: |
| 769 | /* XXX Not supported. */ |
| 770 | return; |
| 771 | case ADAPTER_REQ_SET_XFER_MODE: |
| 772 | /* XXX Not supported. */ |
| 773 | return; |
| 774 | } |
| 775 | |
| 776 | } |
| 777 | |