| 1 | /* $NetBSD: umass_scsipi.c,v 1.54 2016/11/21 08:27:30 skrll Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 2001, 2003, 2012 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) at |
| 9 | * Carlstedt Research & Technology, Charles M. Hamnnum and Matthew R. Green. |
| 10 | * |
| 11 | * Redistribution and use in source and binary forms, with or without |
| 12 | * modification, are permitted provided that the following conditions |
| 13 | * are met: |
| 14 | * 1. Redistributions of source code must retain the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer. |
| 16 | * 2. Redistributions in binary form must reproduce the above copyright |
| 17 | * notice, this list of conditions and the following disclaimer in the |
| 18 | * documentation and/or other materials provided with the distribution. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: umass_scsipi.c,v 1.54 2016/11/21 08:27:30 skrll Exp $" ); |
| 35 | |
| 36 | #ifdef _KERNEL_OPT |
| 37 | #include "opt_usb.h" |
| 38 | #endif |
| 39 | |
| 40 | #include "atapibus.h" |
| 41 | #include "scsibus.h" |
| 42 | |
| 43 | #include <sys/param.h> |
| 44 | #include <sys/systm.h> |
| 45 | #include <sys/kernel.h> |
| 46 | #include <sys/conf.h> |
| 47 | #include <sys/buf.h> |
| 48 | #include <sys/bufq.h> |
| 49 | #include <sys/device.h> |
| 50 | #include <sys/ioctl.h> |
| 51 | #include <sys/lwp.h> |
| 52 | #include <sys/malloc.h> |
| 53 | |
| 54 | /* SCSI & ATAPI */ |
| 55 | #include <sys/scsiio.h> |
| 56 | #include <dev/scsipi/scsi_spc.h> |
| 57 | #include <dev/scsipi/scsi_all.h> |
| 58 | #include <dev/scsipi/scsipi_all.h> |
| 59 | #include <dev/scsipi/scsiconf.h> |
| 60 | |
| 61 | #include <dev/scsipi/atapiconf.h> |
| 62 | |
| 63 | #include <dev/scsipi/scsipi_disk.h> |
| 64 | #include <dev/scsipi/scsi_disk.h> |
| 65 | #include <dev/scsipi/scsi_changer.h> |
| 66 | |
| 67 | #include <sys/disk.h> /* XXX */ |
| 68 | #include <dev/scsipi/sdvar.h> /* XXX */ |
| 69 | |
| 70 | /* USB */ |
| 71 | #include <dev/usb/usb.h> |
| 72 | #include <dev/usb/usbdi.h> |
| 73 | #include <dev/usb/usbdi_util.h> |
| 74 | #include <dev/usb/usbdevs.h> |
| 75 | #include <dev/usb/usbhist.h> |
| 76 | |
| 77 | #include <dev/usb/umassvar.h> |
| 78 | #include <dev/usb/umass_scsipi.h> |
| 79 | |
| 80 | struct umass_scsipi_softc { |
| 81 | struct umassbus_softc base; |
| 82 | |
| 83 | struct atapi_adapter sc_atapi_adapter; |
| 84 | #define sc_adapter sc_atapi_adapter._generic |
| 85 | struct scsipi_channel sc_channel; |
| 86 | usbd_status sc_sync_status; |
| 87 | struct scsi_request_sense sc_sense_cmd; |
| 88 | }; |
| 89 | |
| 90 | |
| 91 | #define SHORT_INQUIRY_LENGTH 36 /* XXX */ |
| 92 | |
| 93 | #define UMASS_ATAPI_DRIVE 0 |
| 94 | |
| 95 | Static void umass_scsipi_request(struct scsipi_channel *, |
| 96 | scsipi_adapter_req_t, void *); |
| 97 | Static void umass_scsipi_minphys(struct buf *); |
| 98 | Static int umass_scsipi_ioctl(struct scsipi_channel *, u_long, |
| 99 | void *, int, proc_t *); |
| 100 | Static int umass_scsipi_getgeom(struct scsipi_periph *, |
| 101 | struct disk_parms *, u_long); |
| 102 | |
| 103 | Static void umass_scsipi_cb(struct umass_softc *, void *, |
| 104 | int, int); |
| 105 | Static void umass_scsipi_sense_cb(struct umass_softc *, void *, |
| 106 | int, int); |
| 107 | |
| 108 | Static struct umass_scsipi_softc *umass_scsipi_setup(struct umass_softc *); |
| 109 | |
| 110 | #if NATAPIBUS > 0 |
| 111 | Static void umass_atapi_probe_device(struct atapibus_softc *, int); |
| 112 | |
| 113 | const struct scsipi_bustype umass_atapi_bustype = { |
| 114 | SCSIPI_BUSTYPE_ATAPI, |
| 115 | atapi_scsipi_cmd, |
| 116 | atapi_interpret_sense, |
| 117 | atapi_print_addr, |
| 118 | scsi_kill_pending, |
| 119 | NULL, |
| 120 | }; |
| 121 | #endif |
| 122 | |
| 123 | |
| 124 | #if NSCSIBUS > 0 |
| 125 | int |
| 126 | umass_scsi_attach(struct umass_softc *sc) |
| 127 | { |
| 128 | UMASSHIST_FUNC(); UMASSHIST_CALLED(); |
| 129 | struct umass_scsipi_softc *scbus; |
| 130 | |
| 131 | scbus = umass_scsipi_setup(sc); |
| 132 | |
| 133 | scbus->sc_channel.chan_bustype = &scsi_bustype; |
| 134 | scbus->sc_channel.chan_ntargets = 2; |
| 135 | scbus->sc_channel.chan_nluns = sc->maxlun + 1; |
| 136 | scbus->sc_channel.chan_id = scbus->sc_channel.chan_ntargets - 1; |
| 137 | DPRINTFM(UDMASS_USB, "sc %p: SCSI" , sc, 0, 0, 0); |
| 138 | |
| 139 | sc->sc_refcnt++; |
| 140 | scbus->base.sc_child = |
| 141 | config_found_ia(sc->sc_dev, "scsi" , &scbus->sc_channel, |
| 142 | scsiprint); |
| 143 | if (--sc->sc_refcnt < 0) |
| 144 | usb_detach_wakeupold(sc->sc_dev); |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | #endif |
| 149 | |
| 150 | #if NATAPIBUS > 0 |
| 151 | int |
| 152 | umass_atapi_attach(struct umass_softc *sc) |
| 153 | { |
| 154 | UMASSHIST_FUNC(); UMASSHIST_CALLED(); |
| 155 | struct umass_scsipi_softc *scbus; |
| 156 | |
| 157 | scbus = umass_scsipi_setup(sc); |
| 158 | scbus->sc_atapi_adapter.atapi_probe_device = umass_atapi_probe_device; |
| 159 | |
| 160 | scbus->sc_channel.chan_bustype = &umass_atapi_bustype; |
| 161 | scbus->sc_channel.chan_ntargets = 2; |
| 162 | scbus->sc_channel.chan_nluns = 1; |
| 163 | |
| 164 | scbus->sc_channel.chan_defquirks |= sc->sc_busquirks; |
| 165 | DPRINTFM(UDMASS_USB, "sc %p: ATAPI" , sc, 0, 0, 0); |
| 166 | |
| 167 | sc->sc_refcnt++; |
| 168 | scbus->base.sc_child = |
| 169 | config_found_ia(sc->sc_dev, "atapi" , &scbus->sc_channel, |
| 170 | atapiprint); |
| 171 | if (--sc->sc_refcnt < 0) |
| 172 | usb_detach_wakeupold(sc->sc_dev); |
| 173 | |
| 174 | return 0; |
| 175 | } |
| 176 | #endif |
| 177 | |
| 178 | Static struct umass_scsipi_softc * |
| 179 | umass_scsipi_setup(struct umass_softc *sc) |
| 180 | { |
| 181 | struct umass_scsipi_softc *scbus; |
| 182 | |
| 183 | scbus = malloc(sizeof(*scbus), M_DEVBUF, M_WAITOK | M_ZERO); |
| 184 | sc->bus = &scbus->base; |
| 185 | |
| 186 | /* Only use big commands for USB SCSI devices. */ |
| 187 | sc->sc_busquirks |= PQUIRK_ONLYBIG; |
| 188 | |
| 189 | /* Fill in the adapter. */ |
| 190 | memset(&scbus->sc_adapter, 0, sizeof(scbus->sc_adapter)); |
| 191 | scbus->sc_adapter.adapt_dev = sc->sc_dev; |
| 192 | scbus->sc_adapter.adapt_nchannels = 1; |
| 193 | scbus->sc_adapter.adapt_request = umass_scsipi_request; |
| 194 | scbus->sc_adapter.adapt_minphys = umass_scsipi_minphys; |
| 195 | scbus->sc_adapter.adapt_ioctl = umass_scsipi_ioctl; |
| 196 | scbus->sc_adapter.adapt_getgeom = umass_scsipi_getgeom; |
| 197 | scbus->sc_adapter.adapt_flags = SCSIPI_ADAPT_MPSAFE; |
| 198 | |
| 199 | /* Fill in the channel. */ |
| 200 | memset(&scbus->sc_channel, 0, sizeof(scbus->sc_channel)); |
| 201 | scbus->sc_channel.chan_adapter = &scbus->sc_adapter; |
| 202 | scbus->sc_channel.chan_channel = 0; |
| 203 | scbus->sc_channel.chan_flags = SCSIPI_CHAN_OPENINGS | SCSIPI_CHAN_NOSETTLE; |
| 204 | scbus->sc_channel.chan_openings = 1; |
| 205 | scbus->sc_channel.chan_max_periph = 1; |
| 206 | scbus->sc_channel.chan_defquirks |= sc->sc_busquirks; |
| 207 | |
| 208 | return scbus; |
| 209 | } |
| 210 | |
| 211 | Static void |
| 212 | umass_scsipi_request(struct scsipi_channel *chan, |
| 213 | scsipi_adapter_req_t req, void *arg) |
| 214 | { |
| 215 | UMASSHIST_FUNC(); UMASSHIST_CALLED(); |
| 216 | struct scsipi_adapter *adapt = chan->chan_adapter; |
| 217 | struct scsipi_periph *periph; |
| 218 | struct scsipi_xfer *xs; |
| 219 | struct umass_softc *sc = device_private(adapt->adapt_dev); |
| 220 | struct umass_scsipi_softc *scbus = (struct umass_scsipi_softc *)sc->bus; |
| 221 | struct scsipi_generic *cmd; |
| 222 | int cmdlen; |
| 223 | int dir; |
| 224 | #ifdef UMASS_DEBUG |
| 225 | microtime(&sc->tv); |
| 226 | #endif |
| 227 | switch(req) { |
| 228 | case ADAPTER_REQ_RUN_XFER: |
| 229 | xs = arg; |
| 230 | periph = xs->xs_periph; |
| 231 | DIF(UDMASS_UPPER, periph->periph_dbflags |= SCSIPI_DEBUG_FLAGS); |
| 232 | |
| 233 | DPRINTFM(UDMASS_CMD, "sc %p: %d:%d xs=%p" , sc, |
| 234 | periph->periph_target, periph->periph_lun, xs); |
| 235 | DPRINTFM(UDMASS_CMD, "cmd=0x%02x datalen=%d (quirks=0x%x, " |
| 236 | "poll=%d)" , xs->cmd->opcode, xs->datalen, |
| 237 | periph->periph_quirks, !!(xs->xs_control & XS_CTL_POLL)); |
| 238 | #if defined(UMASS_DEBUG) && defined(SCSIPI_DEBUG) |
| 239 | if (umassdebug & UDMASS_SCSI) |
| 240 | show_scsipi_xs(xs); |
| 241 | else if (umassdebug & ~UDMASS_CMD) |
| 242 | show_scsipi_cmd(xs); |
| 243 | #endif |
| 244 | |
| 245 | if (sc->sc_dying) { |
| 246 | xs->error = XS_DRIVER_STUFFUP; |
| 247 | goto done; |
| 248 | } |
| 249 | |
| 250 | #ifdef UMASS_DEBUG |
| 251 | if (SCSIPI_BUSTYPE_TYPE(chan->chan_bustype->bustype_type) == |
| 252 | SCSIPI_BUSTYPE_ATAPI ? |
| 253 | periph->periph_target != UMASS_ATAPI_DRIVE : |
| 254 | periph->periph_target == chan->chan_id) { |
| 255 | DPRINTFM(UDMASS_SCSI, "sc %p: wrong SCSI ID %d" , sc, |
| 256 | periph->periph_target, 0, 0); |
| 257 | xs->error = XS_DRIVER_STUFFUP; |
| 258 | goto done; |
| 259 | } |
| 260 | #endif |
| 261 | |
| 262 | cmd = xs->cmd; |
| 263 | cmdlen = xs->cmdlen; |
| 264 | |
| 265 | dir = DIR_NONE; |
| 266 | if (xs->datalen) { |
| 267 | switch (xs->xs_control & |
| 268 | (XS_CTL_DATA_IN | XS_CTL_DATA_OUT)) { |
| 269 | case XS_CTL_DATA_IN: |
| 270 | dir = DIR_IN; |
| 271 | break; |
| 272 | case XS_CTL_DATA_OUT: |
| 273 | dir = DIR_OUT; |
| 274 | break; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | if (xs->datalen > UMASS_MAX_TRANSFER_SIZE) { |
| 279 | printf("umass_cmd: large datalen, %d\n" , xs->datalen); |
| 280 | xs->error = XS_DRIVER_STUFFUP; |
| 281 | goto done; |
| 282 | } |
| 283 | |
| 284 | if (xs->xs_control & XS_CTL_POLL) { |
| 285 | /* Use sync transfer. XXX Broken! */ |
| 286 | DPRINTFM(UDMASS_SCSI, "sync dir=%d\n" , dir, 0, 0, 0); |
| 287 | scbus->sc_sync_status = USBD_INVAL; |
| 288 | sc->sc_methods->wire_xfer(sc, periph->periph_lun, cmd, |
| 289 | cmdlen, xs->data, |
| 290 | xs->datalen, dir, |
| 291 | xs->timeout, USBD_SYNCHRONOUS, |
| 292 | 0, xs); |
| 293 | DPRINTFM(UDMASS_SCSI, "done err=%d" , |
| 294 | scbus->sc_sync_status, 0, 0, 0); |
| 295 | switch (scbus->sc_sync_status) { |
| 296 | case USBD_NORMAL_COMPLETION: |
| 297 | xs->error = XS_NOERROR; |
| 298 | break; |
| 299 | case USBD_TIMEOUT: |
| 300 | xs->error = XS_TIMEOUT; |
| 301 | break; |
| 302 | default: |
| 303 | xs->error = XS_DRIVER_STUFFUP; |
| 304 | break; |
| 305 | } |
| 306 | goto done; |
| 307 | } else { |
| 308 | DPRINTFM(UDMASS_SCSI, "async dir=%d, cmdlen=%d" |
| 309 | " datalen=%d" , dir, cmdlen, xs->datalen, 0); |
| 310 | sc->sc_methods->wire_xfer(sc, periph->periph_lun, cmd, |
| 311 | cmdlen, xs->data, |
| 312 | xs->datalen, dir, |
| 313 | xs->timeout, 0, |
| 314 | umass_scsipi_cb, xs); |
| 315 | return; |
| 316 | } |
| 317 | |
| 318 | /* Return if command finishes early. */ |
| 319 | done: |
| 320 | scsipi_done(xs); |
| 321 | return; |
| 322 | default: |
| 323 | /* Not supported, nothing to do. */ |
| 324 | ; |
| 325 | } |
| 326 | } |
| 327 | |
| 328 | Static void |
| 329 | umass_scsipi_minphys(struct buf *bp) |
| 330 | { |
| 331 | #ifdef DIAGNOSTIC |
| 332 | if (bp->b_bcount <= 0) { |
| 333 | printf("umass_scsipi_minphys count(%d) <= 0\n" , |
| 334 | bp->b_bcount); |
| 335 | bp->b_bcount = UMASS_MAX_TRANSFER_SIZE; |
| 336 | } |
| 337 | #endif |
| 338 | if (bp->b_bcount > UMASS_MAX_TRANSFER_SIZE) |
| 339 | bp->b_bcount = UMASS_MAX_TRANSFER_SIZE; |
| 340 | minphys(bp); |
| 341 | } |
| 342 | |
| 343 | int |
| 344 | umass_scsipi_ioctl(struct scsipi_channel *chan, u_long cmd, |
| 345 | void *arg, int flag, proc_t *p) |
| 346 | { |
| 347 | /*struct umass_softc *sc = link->adapter_softc;*/ |
| 348 | /*struct umass_scsipi_softc *scbus = sc->bus;*/ |
| 349 | |
| 350 | switch (cmd) { |
| 351 | #if 0 |
| 352 | case SCBUSIORESET: |
| 353 | ccb->ccb_h.status = CAM_REQ_INPROG; |
| 354 | umass_reset(sc, umass_cam_cb, (void *) ccb); |
| 355 | return 0; |
| 356 | #endif |
| 357 | default: |
| 358 | return ENOTTY; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | Static int |
| 363 | umass_scsipi_getgeom(struct scsipi_periph *periph, struct disk_parms *dp, |
| 364 | u_long sectors) |
| 365 | { |
| 366 | struct umass_softc *sc = |
| 367 | device_private(periph->periph_channel->chan_adapter->adapt_dev); |
| 368 | |
| 369 | /* If it's not a floppy, we don't know what to do. */ |
| 370 | if (sc->sc_cmd != UMASS_CPROTO_UFI) |
| 371 | return 0; |
| 372 | |
| 373 | switch (sectors) { |
| 374 | case 1440: |
| 375 | /* Most likely a single density 3.5" floppy. */ |
| 376 | dp->heads = 2; |
| 377 | dp->sectors = 9; |
| 378 | dp->cyls = 80; |
| 379 | return 1; |
| 380 | case 2880: |
| 381 | /* Most likely a double density 3.5" floppy. */ |
| 382 | dp->heads = 2; |
| 383 | dp->sectors = 18; |
| 384 | dp->cyls = 80; |
| 385 | return 1; |
| 386 | default: |
| 387 | return 0; |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | Static void |
| 392 | umass_scsipi_cb(struct umass_softc *sc, void *priv, int residue, int status) |
| 393 | { |
| 394 | UMASSHIST_FUNC(); UMASSHIST_CALLED(); |
| 395 | struct umass_scsipi_softc *scbus = (struct umass_scsipi_softc *)sc->bus; |
| 396 | struct scsipi_xfer *xs = priv; |
| 397 | struct scsipi_periph *periph = xs->xs_periph; |
| 398 | int cmdlen, senselen; |
| 399 | #ifdef UMASS_DEBUG |
| 400 | struct timeval tv; |
| 401 | u_int delta; |
| 402 | microtime(&tv); |
| 403 | delta = (tv.tv_sec - sc->tv.tv_sec) * 1000000 + tv.tv_usec - sc->tv.tv_usec; |
| 404 | DPRINTFM(UDMASS_CMD, "delta=%u: xs=%p residue=%d status=%d" , delta, xs, |
| 405 | residue, status); |
| 406 | #endif |
| 407 | |
| 408 | |
| 409 | xs->resid = residue; |
| 410 | |
| 411 | switch (status) { |
| 412 | case STATUS_CMD_OK: |
| 413 | xs->error = XS_NOERROR; |
| 414 | break; |
| 415 | |
| 416 | case STATUS_CMD_UNKNOWN: |
| 417 | /* FALLTHROUGH */ |
| 418 | case STATUS_CMD_FAILED: |
| 419 | /* fetch sense data */ |
| 420 | sc->sc_sense = 1; |
| 421 | memset(&scbus->sc_sense_cmd, 0, sizeof(scbus->sc_sense_cmd)); |
| 422 | scbus->sc_sense_cmd.opcode = SCSI_REQUEST_SENSE; |
| 423 | scbus->sc_sense_cmd.byte2 = periph->periph_lun << |
| 424 | SCSI_CMD_LUN_SHIFT; |
| 425 | |
| 426 | if (sc->sc_cmd == UMASS_CPROTO_UFI || |
| 427 | sc->sc_cmd == UMASS_CPROTO_ATAPI) |
| 428 | cmdlen = UFI_COMMAND_LENGTH; /* XXX */ |
| 429 | else |
| 430 | cmdlen = sizeof(scbus->sc_sense_cmd); |
| 431 | if (periph->periph_version < 0x05) /* SPC-3 */ |
| 432 | senselen = 18; |
| 433 | else |
| 434 | senselen = sizeof(xs->sense); |
| 435 | scbus->sc_sense_cmd.length = senselen; |
| 436 | sc->sc_methods->wire_xfer(sc, periph->periph_lun, |
| 437 | &scbus->sc_sense_cmd, cmdlen, |
| 438 | &xs->sense, senselen, |
| 439 | DIR_IN, xs->timeout, 0, |
| 440 | umass_scsipi_sense_cb, xs); |
| 441 | return; |
| 442 | |
| 443 | case STATUS_WIRE_FAILED: |
| 444 | xs->error = XS_RESET; |
| 445 | break; |
| 446 | |
| 447 | default: |
| 448 | panic("%s: Unknown status %d in umass_scsipi_cb" , |
| 449 | device_xname(sc->sc_dev), status); |
| 450 | } |
| 451 | |
| 452 | DPRINTFM(UDMASS_CMD, "return xs->error=%d, xs->xs_status=0x%x" |
| 453 | " xs->resid=%d" , xs->error, xs->xs_status, xs->resid, 0); |
| 454 | |
| 455 | scsipi_done(xs); |
| 456 | } |
| 457 | |
| 458 | /* |
| 459 | * Finalise a completed autosense operation |
| 460 | */ |
| 461 | Static void |
| 462 | umass_scsipi_sense_cb(struct umass_softc *sc, void *priv, int residue, |
| 463 | int status) |
| 464 | { |
| 465 | UMASSHIST_FUNC(); UMASSHIST_CALLED(); |
| 466 | struct scsipi_xfer *xs = priv; |
| 467 | |
| 468 | DPRINTFM(UDMASS_CMD, "sc %p: xs=%p residue=%d status=%d" , sc, xs, |
| 469 | residue, status); |
| 470 | |
| 471 | sc->sc_sense = 0; |
| 472 | switch (status) { |
| 473 | case STATUS_CMD_OK: |
| 474 | case STATUS_CMD_UNKNOWN: |
| 475 | /* getting sense data succeeded */ |
| 476 | if (residue == 0 || residue == 14)/* XXX */ |
| 477 | xs->error = XS_SENSE; |
| 478 | else |
| 479 | xs->error = XS_SHORTSENSE; |
| 480 | break; |
| 481 | default: |
| 482 | DPRINTFM(UDMASS_SCSI, "sc %p: Autosense failed, status %d" , |
| 483 | sc, status, 0, 0); |
| 484 | xs->error = XS_DRIVER_STUFFUP; |
| 485 | break; |
| 486 | } |
| 487 | |
| 488 | DPRINTFM(UDMASS_CMD, "return xs->error=%d, xs->xs_status=0x%x" |
| 489 | " xs->resid=%d" , xs->error, xs->xs_status, xs->resid, 0); |
| 490 | |
| 491 | scsipi_done(xs); |
| 492 | } |
| 493 | |
| 494 | #if NATAPIBUS > 0 |
| 495 | Static void |
| 496 | umass_atapi_probe_device(struct atapibus_softc *atapi, int target) |
| 497 | { |
| 498 | UMASSHIST_FUNC(); UMASSHIST_CALLED(); |
| 499 | struct scsipi_channel *chan = atapi->sc_channel; |
| 500 | struct scsipi_periph *periph; |
| 501 | struct scsipibus_attach_args sa; |
| 502 | char vendor[33], product[65], revision[17]; |
| 503 | struct scsipi_inquiry_data inqbuf; |
| 504 | |
| 505 | DPRINTFM(UDMASS_SCSI, "atapi=%p target=%d" , atapi, target, 0, 0); |
| 506 | |
| 507 | if (target != UMASS_ATAPI_DRIVE) /* only probe drive 0 */ |
| 508 | return; |
| 509 | |
| 510 | /* skip if already attached */ |
| 511 | if (scsipi_lookup_periph(chan, target, 0) != NULL) { |
| 512 | return; |
| 513 | } |
| 514 | |
| 515 | periph = scsipi_alloc_periph(M_NOWAIT); |
| 516 | if (periph == NULL) { |
| 517 | aprint_error_dev(atapi->sc_dev, |
| 518 | "can't allocate link for drive %d\n" , target); |
| 519 | return; |
| 520 | } |
| 521 | |
| 522 | DIF(UDMASS_UPPER, periph->periph_dbflags |= 1); /* XXX 1 */ |
| 523 | periph->periph_channel = chan; |
| 524 | periph->periph_switch = &atapi_probe_periphsw; |
| 525 | periph->periph_target = target; |
| 526 | periph->periph_quirks = chan->chan_defquirks; |
| 527 | |
| 528 | DPRINTFM(UDMASS_SCSI, "doing inquiry" , 0, 0, 0, 0); |
| 529 | /* Now go ask the device all about itself. */ |
| 530 | memset(&inqbuf, 0, sizeof(inqbuf)); |
| 531 | if (scsipi_inquire(periph, &inqbuf, XS_CTL_DISCOVERY) != 0) { |
| 532 | DPRINTFM(UDMASS_SCSI, "scsipi_inquire failed" , 0, 0, 0, 0); |
| 533 | free(periph, M_DEVBUF); |
| 534 | return; |
| 535 | } |
| 536 | |
| 537 | strnvisx(vendor, sizeof(vendor), inqbuf.vendor, 8, |
| 538 | VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 539 | strnvisx(product, sizeof(product), inqbuf.product, 16, |
| 540 | VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 541 | strnvisx(revision, sizeof(revision), inqbuf.revision, 4, |
| 542 | VIS_TRIM|VIS_SAFE|VIS_OCTAL); |
| 543 | |
| 544 | sa.sa_periph = periph; |
| 545 | sa.sa_inqbuf.type = inqbuf.device; |
| 546 | sa.sa_inqbuf.removable = inqbuf.dev_qual2 & SID_REMOVABLE ? |
| 547 | T_REMOV : T_FIXED; |
| 548 | if (sa.sa_inqbuf.removable) |
| 549 | periph->periph_flags |= PERIPH_REMOVABLE; |
| 550 | sa.sa_inqbuf.vendor = vendor; |
| 551 | sa.sa_inqbuf.product = product; |
| 552 | sa.sa_inqbuf.revision = revision; |
| 553 | sa.sa_inqptr = NULL; |
| 554 | |
| 555 | atapi_probe_device(atapi, target, periph, &sa); |
| 556 | /* atapi_probe_device() frees the periph when there is no device.*/ |
| 557 | } |
| 558 | #endif |
| 559 | |