1 /*- 2 * Copyright (c) 2000 Michael Smith 3 * Copyright (c) 2000 BSDi 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 /*- 28 * Copyright (c) 2002 Eric Moore 29 * Copyright (c) 2002 LSI Logic Corporation 30 * All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 3. The party using or redistributing the source code and binary forms 41 * agrees to the disclaimer below and the terms and conditions set forth 42 * herein. 43 * 44 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 45 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 47 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 50 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 51 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 52 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 53 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 54 * SUCH DAMAGE. 55 * 56 * $FreeBSD: src/sys/dev/amr/amr_cam.c,v 1.28 2008/11/03 00:53:54 scottl Exp $ 57 */ 58 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/malloc.h> 62 #include <sys/kernel.h> 63 #include <sys/module.h> 64 65 #include <sys/bio.h> 66 #include <sys/bus.h> 67 #include <sys/conf.h> 68 #include <sys/stat.h> 69 70 #include <bus/cam/cam.h> 71 #include <bus/cam/cam_ccb.h> 72 #include <bus/cam/cam_sim.h> 73 #include <bus/cam/cam_xpt.h> 74 #include <bus/cam/cam_xpt_sim.h> 75 #include <bus/cam/cam_debug.h> 76 #include <bus/cam/scsi/scsi_all.h> 77 #include <bus/cam/scsi/scsi_message.h> 78 79 #include <dev/raid/amr/amrreg.h> 80 #include <dev/raid/amr/amrvar.h> 81 82 static int amr_cam_probe(device_t dev); 83 static int amr_cam_attach(device_t dev); 84 static int amr_cam_detach(device_t dev); 85 static void amr_cam_action(struct cam_sim *sim, union ccb *ccb); 86 static void amr_cam_poll(struct cam_sim *sim); 87 static void amr_cam_complete(struct amr_command *ac); 88 static int amr_cam_command(struct amr_softc *sc, struct amr_command **acp); 89 90 static devclass_t amr_pass_devclass; 91 92 static device_method_t amr_pass_methods[] = { 93 DEVMETHOD(device_probe, amr_cam_probe), 94 DEVMETHOD(device_attach, amr_cam_attach), 95 DEVMETHOD(device_detach, amr_cam_detach), 96 { 0, 0 } 97 }; 98 99 static driver_t amr_pass_driver = { 100 "amrp", 101 amr_pass_methods, 102 0 103 }; 104 105 DRIVER_MODULE(amrp, amr, amr_pass_driver, amr_pass_devclass, NULL, NULL); 106 MODULE_DEPEND(amrp, cam, 1, 1, 1); 107 108 MALLOC_DEFINE(M_AMRCAM, "amrcam", "AMR CAM memory"); 109 110 /*********************************************************************** 111 * Enqueue/dequeue functions 112 */ 113 static __inline void 114 amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb) 115 { 116 117 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 118 } 119 120 static __inline void 121 amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb) 122 { 123 124 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 125 } 126 127 static __inline union ccb * 128 amr_dequeue_ccb(struct amr_softc *sc) 129 { 130 union ccb *ccb; 131 132 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL) 133 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 134 return(ccb); 135 } 136 137 static int 138 amr_cam_probe(device_t dev) 139 { 140 return (0); 141 } 142 143 /******************************************************************************** 144 * Attach our 'real' SCSI channels to CAM 145 */ 146 static int 147 amr_cam_attach(device_t dev) 148 { 149 struct amr_softc *sc; 150 struct cam_devq *devq; 151 int chn, error; 152 153 sc = device_get_softc(dev); 154 155 /* initialise the ccb queue */ 156 TAILQ_INIT(&sc->amr_cam_ccbq); 157 158 /* 159 * Allocate a devq for all our channels combined. This should 160 * allow for the maximum number of SCSI commands we will accept 161 * at one time. Save the pointer in the softc so we can find it later 162 * during detach. 163 */ 164 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL) 165 return(ENOMEM); 166 sc->amr_cam_devq = devq; 167 168 /* 169 * Iterate over our channels, registering them with CAM 170 */ 171 for (chn = 0; chn < sc->amr_maxchan; chn++) { 172 173 /* allocate a sim */ 174 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action, 175 amr_cam_poll, "amr", sc, device_get_unit(sc->amr_dev), 176 &sc->amr_list_lock, 1, AMR_MAX_SCSI_CMDS, devq)) == NULL) { 177 cam_simq_release(devq); 178 device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 179 return(ENOMEM); 180 } 181 182 /* register the bus ID so we can get it later */ 183 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE); 184 error = xpt_bus_register(sc->amr_cam_sim[chn], chn); 185 lockmgr(&sc->amr_list_lock, LK_RELEASE); 186 if (error) { 187 device_printf(sc->amr_dev, 188 "CAM XPT bus registration failed\n"); 189 return(ENXIO); 190 } 191 } 192 /* 193 * XXX we should scan the config and work out which devices are 194 * actually protected. 195 */ 196 sc->amr_cam_command = amr_cam_command; 197 return(0); 198 } 199 200 /******************************************************************************** 201 * Disconnect ourselves from CAM 202 */ 203 static int 204 amr_cam_detach(device_t dev) 205 { 206 struct amr_softc *sc; 207 int chn; 208 209 sc = device_get_softc(dev); 210 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE); 211 for (chn = 0; chn < sc->amr_maxchan; chn++) { 212 /* 213 * If a sim was allocated for this channel, free it 214 */ 215 if (sc->amr_cam_sim[chn] != NULL) { 216 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 217 cam_sim_free(sc->amr_cam_sim[chn]); 218 } 219 } 220 lockmgr(&sc->amr_list_lock, LK_RELEASE); 221 222 /* Now free the devq */ 223 if (sc->amr_cam_devq != NULL) 224 cam_simq_release(sc->amr_cam_devq); 225 226 return (0); 227 } 228 229 /*********************************************************************** 230 *********************************************************************** 231 CAM passthrough interface 232 *********************************************************************** 233 ***********************************************************************/ 234 235 /*********************************************************************** 236 * Handle a request for action from CAM 237 */ 238 static void 239 amr_cam_action(struct cam_sim *sim, union ccb *ccb) 240 { 241 struct amr_softc *sc = cam_sim_softc(sim); 242 243 switch(ccb->ccb_h.func_code) { 244 245 /* 246 * Perform SCSI I/O to a physical device. 247 */ 248 case XPT_SCSI_IO: 249 { 250 struct ccb_hdr *ccbh = &ccb->ccb_h; 251 struct ccb_scsiio *csio = &ccb->csio; 252 253 /* Validate the CCB */ 254 ccbh->status = CAM_REQ_INPROG; 255 256 /* check the CDB length */ 257 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 258 ccbh->status = CAM_REQ_INVALID; 259 260 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && 261 (sc->support_ext_cdb == 0)) 262 ccbh->status = CAM_REQ_INVALID; 263 264 /* check that the CDB pointer is not to a physical address */ 265 if ((ccbh->flags & CAM_CDB_POINTER) && 266 (ccbh->flags & CAM_CDB_PHYS)) 267 ccbh->status = CAM_REQ_INVALID; 268 /* 269 * if there is data transfer, it must be to/from a virtual 270 * address 271 */ 272 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 273 if (ccbh->flags & CAM_DATA_PHYS) 274 /* we can't map it */ 275 ccbh->status = CAM_REQ_INVALID; 276 if (ccbh->flags & CAM_SCATTER_VALID) 277 /* we want to do the s/g setup */ 278 ccbh->status = CAM_REQ_INVALID; 279 } 280 281 /* 282 * If the command is to a LUN other than 0, fail it. 283 * This is probably incorrect, but during testing the 284 * firmware did not seem to respect the LUN field, and thus 285 * devices appear echoed. 286 */ 287 if (csio->ccb_h.target_lun != 0) 288 ccbh->status = CAM_DEV_NOT_THERE; 289 290 /* if we're happy with the request, queue it for attention */ 291 if (ccbh->status == CAM_REQ_INPROG) { 292 293 /* save the channel number in the ccb */ 294 csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim); 295 296 amr_enqueue_ccb(sc, ccb); 297 amr_startio(sc); 298 return; 299 } 300 break; 301 } 302 303 case XPT_CALC_GEOMETRY: 304 { 305 cam_calc_geometry(&ccb->ccg, /*extended*/1); 306 break; 307 } 308 309 /* 310 * Return path stats. Some of these should probably be amended. 311 */ 312 case XPT_PATH_INQ: 313 { 314 struct ccb_pathinq *cpi = & ccb->cpi; 315 316 debug(3, "XPT_PATH_INQ"); 317 cpi->version_num = 1; /* XXX??? */ 318 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 319 cpi->target_sprt = 0; 320 cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN; 321 cpi->hba_eng_cnt = 0; 322 cpi->max_target = AMR_MAX_TARGETS; 323 cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 324 cpi->initiator_id = 7; /* XXX variable? */ 325 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 326 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 327 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 328 cpi->unit_number = cam_sim_unit(sim); 329 cpi->bus_id = cam_sim_bus(sim); 330 cpi->base_transfer_speed = 132 * 1024; /* XXX */ 331 cpi->transport = XPORT_SPI; 332 cpi->transport_version = 2; 333 cpi->protocol = PROTO_SCSI; 334 cpi->protocol_version = SCSI_REV_2; 335 cpi->ccb_h.status = CAM_REQ_CMP; 336 337 break; 338 } 339 340 case XPT_RESET_BUS: 341 { 342 struct ccb_pathinq *cpi = & ccb->cpi; 343 344 debug(1, "XPT_RESET_BUS"); 345 cpi->ccb_h.status = CAM_REQ_CMP; 346 break; 347 } 348 349 case XPT_RESET_DEV: 350 { 351 debug(1, "XPT_RESET_DEV"); 352 ccb->ccb_h.status = CAM_REQ_CMP; 353 break; 354 } 355 356 case XPT_GET_TRAN_SETTINGS: 357 { 358 struct ccb_trans_settings *cts = &(ccb->cts); 359 360 debug(3, "XPT_GET_TRAN_SETTINGS"); 361 362 struct ccb_trans_settings_scsi *scsi; 363 struct ccb_trans_settings_spi *spi; 364 365 scsi = &cts->proto_specific.scsi; 366 spi = &cts->xport_specific.spi; 367 368 cts->protocol = PROTO_SCSI; 369 cts->protocol_version = SCSI_REV_2; 370 cts->transport = XPORT_SPI; 371 cts->transport_version = 2; 372 373 if (cts->type == CTS_TYPE_USER_SETTINGS) { 374 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 375 break; 376 } 377 378 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 379 spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 380 spi->sync_period = 6; /* 40MHz how wide is this bus? */ 381 spi->sync_offset = 31; /* How to extract this from board? */ 382 383 spi->valid = CTS_SPI_VALID_SYNC_RATE 384 | CTS_SPI_VALID_SYNC_OFFSET 385 | CTS_SPI_VALID_BUS_WIDTH 386 | CTS_SPI_VALID_DISC; 387 scsi->valid = CTS_SCSI_VALID_TQ; 388 ccb->ccb_h.status = CAM_REQ_CMP; 389 break; 390 } 391 392 case XPT_SET_TRAN_SETTINGS: 393 debug(3, "XPT_SET_TRAN_SETTINGS"); 394 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 395 break; 396 397 398 /* 399 * Reject anything else as unsupported. 400 */ 401 default: 402 /* we can't do this */ 403 ccb->ccb_h.status = CAM_REQ_INVALID; 404 break; 405 } 406 407 KKASSERT(lockstatus(&sc->amr_list_lock, curthread) != 0); 408 xpt_done(ccb); 409 } 410 411 /*********************************************************************** 412 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI 413 * command. 414 */ 415 static int 416 amr_cam_command(struct amr_softc *sc, struct amr_command **acp) 417 { 418 struct amr_command *ac; 419 struct amr_passthrough *ap; 420 struct amr_ext_passthrough *aep; 421 struct ccb_scsiio *csio; 422 int bus, target, error; 423 424 error = 0; 425 ac = NULL; 426 ap = NULL; 427 aep = NULL; 428 429 /* check to see if there is a ccb for us to work with */ 430 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 431 goto out; 432 433 /* get bus/target, XXX validate against protected devices? */ 434 bus = csio->ccb_h.sim_priv.entries[0].field; 435 target = csio->ccb_h.target_id; 436 437 /* 438 * Build a passthrough command. 439 */ 440 441 /* construct command */ 442 if ((ac = amr_alloccmd(sc)) == NULL) { 443 error = ENOMEM; 444 goto out; 445 } 446 447 /* construct passthrough */ 448 if (sc->support_ext_cdb ) { 449 aep = &ac->ac_ccb->ccb_epthru; 450 aep->ap_timeout = 2; 451 aep->ap_ars = 1; 452 aep->ap_request_sense_length = 14; 453 aep->ap_islogical = 0; 454 aep->ap_channel = bus; 455 aep->ap_scsi_id = target; 456 aep->ap_logical_drive_no = csio->ccb_h.target_lun; 457 aep->ap_cdb_length = csio->cdb_len; 458 aep->ap_data_transfer_length = csio->dxfer_len; 459 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 460 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 461 } else { 462 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, 463 csio->cdb_len); 464 } 465 /* 466 * we leave the data s/g list and s/g count to the map routine 467 * later 468 */ 469 470 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], 471 aep->ap_cdb_length, csio->dxfer_len, aep->ap_channel, 472 aep->ap_scsi_id, aep->ap_logical_drive_no); 473 474 } else { 475 ap = &ac->ac_ccb->ccb_pthru; 476 ap->ap_timeout = 0; 477 ap->ap_ars = 1; 478 ap->ap_request_sense_length = 14; 479 ap->ap_islogical = 0; 480 ap->ap_channel = bus; 481 ap->ap_scsi_id = target; 482 ap->ap_logical_drive_no = csio->ccb_h.target_lun; 483 ap->ap_cdb_length = csio->cdb_len; 484 ap->ap_data_transfer_length = csio->dxfer_len; 485 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 486 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 487 } else { 488 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, 489 csio->cdb_len); 490 } 491 /* 492 * we leave the data s/g list and s/g count to the map routine 493 * later 494 */ 495 496 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], 497 ap->ap_cdb_length, csio->dxfer_len, ap->ap_channel, 498 ap->ap_scsi_id, ap->ap_logical_drive_no); 499 } 500 501 ac->ac_flags |= AMR_CMD_CCB; 502 503 ac->ac_data = csio->data_ptr; 504 ac->ac_length = csio->dxfer_len; 505 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 506 ac->ac_flags |= AMR_CMD_DATAIN; 507 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 508 ac->ac_flags |= AMR_CMD_DATAOUT; 509 510 ac->ac_private = csio; 511 ac->ac_complete = amr_cam_complete; 512 if ( sc->support_ext_cdb ) { 513 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 514 } else { 515 ac->ac_mailbox.mb_command = AMR_CMD_PASS; 516 } 517 518 out: 519 if (error != 0) { 520 if (ac != NULL) 521 amr_releasecmd(ac); 522 if (csio != NULL) 523 /* put it back and try again later */ 524 amr_requeue_ccb(sc, (union ccb *)csio); 525 } 526 *acp = ac; 527 return(error); 528 } 529 530 /*********************************************************************** 531 * Check for interrupt status 532 */ 533 static void 534 amr_cam_poll(struct cam_sim *sim) 535 { 536 537 amr_done(cam_sim_softc(sim)); 538 } 539 540 /********************************************************************** 541 * Handle completion of a command submitted via CAM. 542 */ 543 static void 544 amr_cam_complete(struct amr_command *ac) 545 { 546 struct amr_passthrough *ap; 547 struct amr_ext_passthrough *aep; 548 struct ccb_scsiio *csio; 549 struct scsi_inquiry_data *inq; 550 int scsi_status, cdb0; 551 552 ap = &ac->ac_ccb->ccb_pthru; 553 aep = &ac->ac_ccb->ccb_epthru; 554 csio = (struct ccb_scsiio *)ac->ac_private; 555 inq = (struct scsi_inquiry_data *)csio->data_ptr; 556 557 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 558 scsi_status = aep->ap_scsi_status; 559 else 560 scsi_status = ap->ap_scsi_status; 561 debug(1, "status 0x%x AP scsi_status 0x%x", ac->ac_status, 562 scsi_status); 563 564 /* Make sure the status is sane */ 565 if ((ac->ac_status != AMR_STATUS_SUCCESS) && (scsi_status == 0)) { 566 csio->ccb_h.status = CAM_REQ_CMP_ERR; 567 goto out; 568 } 569 570 /* 571 * Hide disks from CAM so that they're not picked up and treated as 572 * 'normal' disks. 573 * 574 * If the configuration provides a mechanism to mark a disk a "not 575 * managed", we could add handling for that to allow disks to be 576 * selectively visible. 577 */ 578 579 /* handle passthrough SCSI status */ 580 switch(scsi_status) { 581 case 0: /* completed OK */ 582 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 583 cdb0 = aep->ap_cdb[0]; 584 else 585 cdb0 = ap->ap_cdb[0]; 586 if ((cdb0 == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) 587 inq->device = (inq->device & 0xe0) | T_NODEVICE; 588 csio->ccb_h.status = CAM_REQ_CMP; 589 break; 590 591 case 0x02: 592 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 593 csio->scsi_status = SCSI_STATUS_CHECK_COND; 594 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 595 bcopy(aep->ap_request_sense_area, &csio->sense_data, 596 AMR_MAX_REQ_SENSE_LEN); 597 else 598 bcopy(ap->ap_request_sense_area, &csio->sense_data, 599 AMR_MAX_REQ_SENSE_LEN); 600 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 601 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 602 break; 603 604 case 0x08: 605 csio->ccb_h.status = CAM_SCSI_BUSY; 606 break; 607 608 case 0xf0: 609 case 0xf4: 610 default: 611 /* 612 * Non-zero LUNs are already filtered, so there's no need 613 * to return CAM_DEV_NOT_THERE. 614 */ 615 csio->ccb_h.status = CAM_SEL_TIMEOUT; 616 break; 617 } 618 619 out: 620 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 621 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, 622 " "); 623 624 lockmgr(&ac->ac_sc->amr_list_lock, LK_EXCLUSIVE); 625 xpt_done((union ccb *)csio); 626 amr_releasecmd(ac); 627 lockmgr(&ac->ac_sc->amr_list_lock, LK_RELEASE); 628 } 629