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 1.29 2011/11/07 06:44:47 ed 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_VERSION(amrp, 1); 107 MODULE_DEPEND(amrp, amr, 1, 1, 1); 108 MODULE_DEPEND(amrp, cam, 1, 1, 1); 109 110 static MALLOC_DEFINE(M_AMRCAM, "amrcam", "AMR CAM memory"); 111 112 /*********************************************************************** 113 * Enqueue/dequeue functions 114 */ 115 static __inline void 116 amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb) 117 { 118 119 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 120 } 121 122 static __inline void 123 amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb) 124 { 125 126 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 127 } 128 129 static __inline union ccb * 130 amr_dequeue_ccb(struct amr_softc *sc) 131 { 132 union ccb *ccb; 133 134 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL) 135 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 136 return(ccb); 137 } 138 139 static int 140 amr_cam_probe(device_t dev) 141 { 142 return (0); 143 } 144 145 /******************************************************************************** 146 * Attach our 'real' SCSI channels to CAM 147 */ 148 static int 149 amr_cam_attach(device_t dev) 150 { 151 struct amr_softc *sc; 152 struct cam_devq *devq; 153 int chn, error; 154 155 sc = device_get_softc(dev); 156 157 /* initialise the ccb queue */ 158 TAILQ_INIT(&sc->amr_cam_ccbq); 159 160 /* 161 * Allocate a devq for all our channels combined. This should 162 * allow for the maximum number of SCSI commands we will accept 163 * at one time. Save the pointer in the softc so we can find it later 164 * during detach. 165 */ 166 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL) 167 return(ENOMEM); 168 sc->amr_cam_devq = devq; 169 170 /* 171 * Iterate over our channels, registering them with CAM 172 */ 173 for (chn = 0; chn < sc->amr_maxchan; chn++) { 174 175 /* allocate a sim */ 176 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action, 177 amr_cam_poll, "amr", sc, device_get_unit(sc->amr_dev), 178 &sc->amr_list_lock, 1, AMR_MAX_SCSI_CMDS, devq)) == NULL) { 179 cam_simq_release(devq); 180 device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 181 return(ENOMEM); 182 } 183 184 /* register the bus ID so we can get it later */ 185 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE); 186 error = xpt_bus_register(sc->amr_cam_sim[chn], chn); 187 lockmgr(&sc->amr_list_lock, LK_RELEASE); 188 if (error) { 189 device_printf(sc->amr_dev, 190 "CAM XPT bus registration failed\n"); 191 return(ENXIO); 192 } 193 } 194 /* 195 * XXX we should scan the config and work out which devices are 196 * actually protected. 197 */ 198 sc->amr_cam_command = amr_cam_command; 199 return(0); 200 } 201 202 /******************************************************************************** 203 * Disconnect ourselves from CAM 204 */ 205 static int 206 amr_cam_detach(device_t dev) 207 { 208 struct amr_softc *sc; 209 int chn; 210 211 sc = device_get_softc(dev); 212 lockmgr(&sc->amr_list_lock, LK_EXCLUSIVE); 213 for (chn = 0; chn < sc->amr_maxchan; chn++) { 214 /* 215 * If a sim was allocated for this channel, free it 216 */ 217 if (sc->amr_cam_sim[chn] != NULL) { 218 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 219 cam_sim_free(sc->amr_cam_sim[chn]); 220 } 221 } 222 lockmgr(&sc->amr_list_lock, LK_RELEASE); 223 224 /* Now free the devq */ 225 if (sc->amr_cam_devq != NULL) 226 cam_simq_release(sc->amr_cam_devq); 227 228 return (0); 229 } 230 231 /*********************************************************************** 232 *********************************************************************** 233 CAM passthrough interface 234 *********************************************************************** 235 ***********************************************************************/ 236 237 /*********************************************************************** 238 * Handle a request for action from CAM 239 */ 240 static void 241 amr_cam_action(struct cam_sim *sim, union ccb *ccb) 242 { 243 struct amr_softc *sc = cam_sim_softc(sim); 244 245 switch(ccb->ccb_h.func_code) { 246 247 /* 248 * Perform SCSI I/O to a physical device. 249 */ 250 case XPT_SCSI_IO: 251 { 252 struct ccb_hdr *ccbh = &ccb->ccb_h; 253 struct ccb_scsiio *csio = &ccb->csio; 254 255 /* Validate the CCB */ 256 ccbh->status = CAM_REQ_INPROG; 257 258 /* check the CDB length */ 259 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 260 ccbh->status = CAM_REQ_INVALID; 261 262 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && 263 (sc->support_ext_cdb == 0)) 264 ccbh->status = CAM_REQ_INVALID; 265 266 /* check that the CDB pointer is not to a physical address */ 267 if ((ccbh->flags & CAM_CDB_POINTER) && 268 (ccbh->flags & CAM_CDB_PHYS)) 269 ccbh->status = CAM_REQ_INVALID; 270 /* 271 * if there is data transfer, it must be to/from a virtual 272 * address 273 */ 274 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 275 if (ccbh->flags & CAM_DATA_PHYS) 276 /* we can't map it */ 277 ccbh->status = CAM_REQ_INVALID; 278 if (ccbh->flags & CAM_SCATTER_VALID) 279 /* we want to do the s/g setup */ 280 ccbh->status = CAM_REQ_INVALID; 281 } 282 283 /* 284 * If the command is to a LUN other than 0, fail it. 285 * This is probably incorrect, but during testing the 286 * firmware did not seem to respect the LUN field, and thus 287 * devices appear echoed. 288 */ 289 if (csio->ccb_h.target_lun != 0) 290 ccbh->status = CAM_DEV_NOT_THERE; 291 292 /* if we're happy with the request, queue it for attention */ 293 if (ccbh->status == CAM_REQ_INPROG) { 294 295 /* save the channel number in the ccb */ 296 csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim); 297 298 amr_enqueue_ccb(sc, ccb); 299 amr_startio(sc); 300 return; 301 } 302 break; 303 } 304 305 case XPT_CALC_GEOMETRY: 306 { 307 cam_calc_geometry(&ccb->ccg, /*extended*/1); 308 break; 309 } 310 311 /* 312 * Return path stats. Some of these should probably be amended. 313 */ 314 case XPT_PATH_INQ: 315 { 316 struct ccb_pathinq *cpi = & ccb->cpi; 317 318 debug(3, "XPT_PATH_INQ"); 319 cpi->version_num = 1; /* XXX??? */ 320 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 321 cpi->target_sprt = 0; 322 cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN; 323 cpi->hba_eng_cnt = 0; 324 cpi->max_target = AMR_MAX_TARGETS; 325 cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 326 cpi->initiator_id = 7; /* XXX variable? */ 327 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 328 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 329 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 330 cpi->unit_number = cam_sim_unit(sim); 331 cpi->bus_id = cam_sim_bus(sim); 332 cpi->base_transfer_speed = 132 * 1024; /* XXX */ 333 cpi->transport = XPORT_SPI; 334 cpi->transport_version = 2; 335 cpi->protocol = PROTO_SCSI; 336 cpi->protocol_version = SCSI_REV_2; 337 cpi->ccb_h.status = CAM_REQ_CMP; 338 339 break; 340 } 341 342 case XPT_RESET_BUS: 343 { 344 struct ccb_pathinq *cpi = & ccb->cpi; 345 346 debug(1, "XPT_RESET_BUS"); 347 cpi->ccb_h.status = CAM_REQ_CMP; 348 break; 349 } 350 351 case XPT_RESET_DEV: 352 { 353 debug(1, "XPT_RESET_DEV"); 354 ccb->ccb_h.status = CAM_REQ_CMP; 355 break; 356 } 357 358 case XPT_GET_TRAN_SETTINGS: 359 { 360 struct ccb_trans_settings *cts = &(ccb->cts); 361 362 debug(3, "XPT_GET_TRAN_SETTINGS"); 363 364 struct ccb_trans_settings_scsi *scsi; 365 struct ccb_trans_settings_spi *spi; 366 367 scsi = &cts->proto_specific.scsi; 368 spi = &cts->xport_specific.spi; 369 370 cts->protocol = PROTO_SCSI; 371 cts->protocol_version = SCSI_REV_2; 372 cts->transport = XPORT_SPI; 373 cts->transport_version = 2; 374 375 if (cts->type == CTS_TYPE_USER_SETTINGS) { 376 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 377 break; 378 } 379 380 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 381 spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 382 spi->sync_period = 6; /* 40MHz how wide is this bus? */ 383 spi->sync_offset = 31; /* How to extract this from board? */ 384 385 spi->valid = CTS_SPI_VALID_SYNC_RATE 386 | CTS_SPI_VALID_SYNC_OFFSET 387 | CTS_SPI_VALID_BUS_WIDTH 388 | CTS_SPI_VALID_DISC; 389 scsi->valid = CTS_SCSI_VALID_TQ; 390 ccb->ccb_h.status = CAM_REQ_CMP; 391 break; 392 } 393 394 case XPT_SET_TRAN_SETTINGS: 395 debug(3, "XPT_SET_TRAN_SETTINGS"); 396 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 397 break; 398 399 400 /* 401 * Reject anything else as unsupported. 402 */ 403 default: 404 /* we can't do this */ 405 ccb->ccb_h.status = CAM_REQ_INVALID; 406 break; 407 } 408 409 KKASSERT(lockstatus(&sc->amr_list_lock, curthread) != 0); 410 xpt_done(ccb); 411 } 412 413 /*********************************************************************** 414 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI 415 * command. 416 */ 417 static int 418 amr_cam_command(struct amr_softc *sc, struct amr_command **acp) 419 { 420 struct amr_command *ac; 421 struct amr_passthrough *ap; 422 struct amr_ext_passthrough *aep; 423 struct ccb_scsiio *csio; 424 int bus, target, error; 425 426 error = 0; 427 ac = NULL; 428 ap = NULL; 429 aep = NULL; 430 431 /* check to see if there is a ccb for us to work with */ 432 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 433 goto out; 434 435 /* get bus/target, XXX validate against protected devices? */ 436 bus = csio->ccb_h.sim_priv.entries[0].field; 437 target = csio->ccb_h.target_id; 438 439 /* 440 * Build a passthrough command. 441 */ 442 443 /* construct command */ 444 if ((ac = amr_alloccmd(sc)) == NULL) { 445 error = ENOMEM; 446 goto out; 447 } 448 449 /* construct passthrough */ 450 if (sc->support_ext_cdb ) { 451 aep = &ac->ac_ccb->ccb_epthru; 452 aep->ap_timeout = 2; 453 aep->ap_ars = 1; 454 aep->ap_request_sense_length = 14; 455 aep->ap_islogical = 0; 456 aep->ap_channel = bus; 457 aep->ap_scsi_id = target; 458 aep->ap_logical_drive_no = csio->ccb_h.target_lun; 459 aep->ap_cdb_length = csio->cdb_len; 460 aep->ap_data_transfer_length = csio->dxfer_len; 461 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 462 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 463 } else { 464 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, 465 csio->cdb_len); 466 } 467 /* 468 * we leave the data s/g list and s/g count to the map routine 469 * later 470 */ 471 472 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], 473 aep->ap_cdb_length, csio->dxfer_len, aep->ap_channel, 474 aep->ap_scsi_id, aep->ap_logical_drive_no); 475 476 } else { 477 ap = &ac->ac_ccb->ccb_pthru; 478 ap->ap_timeout = 0; 479 ap->ap_ars = 1; 480 ap->ap_request_sense_length = 14; 481 ap->ap_islogical = 0; 482 ap->ap_channel = bus; 483 ap->ap_scsi_id = target; 484 ap->ap_logical_drive_no = csio->ccb_h.target_lun; 485 ap->ap_cdb_length = csio->cdb_len; 486 ap->ap_data_transfer_length = csio->dxfer_len; 487 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 488 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 489 } else { 490 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, 491 csio->cdb_len); 492 } 493 /* 494 * we leave the data s/g list and s/g count to the map routine 495 * later 496 */ 497 498 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], 499 ap->ap_cdb_length, csio->dxfer_len, ap->ap_channel, 500 ap->ap_scsi_id, ap->ap_logical_drive_no); 501 } 502 503 ac->ac_flags |= AMR_CMD_CCB; 504 505 ac->ac_data = csio->data_ptr; 506 ac->ac_length = csio->dxfer_len; 507 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 508 ac->ac_flags |= AMR_CMD_DATAIN; 509 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 510 ac->ac_flags |= AMR_CMD_DATAOUT; 511 512 ac->ac_private = csio; 513 ac->ac_complete = amr_cam_complete; 514 if ( sc->support_ext_cdb ) { 515 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 516 } else { 517 ac->ac_mailbox.mb_command = AMR_CMD_PASS; 518 } 519 520 out: 521 if (error != 0) { 522 if (ac != NULL) 523 amr_releasecmd(ac); 524 if (csio != NULL) 525 /* put it back and try again later */ 526 amr_requeue_ccb(sc, (union ccb *)csio); 527 } 528 *acp = ac; 529 return(error); 530 } 531 532 /*********************************************************************** 533 * Check for interrupt status 534 */ 535 static void 536 amr_cam_poll(struct cam_sim *sim) 537 { 538 539 amr_done(cam_sim_softc(sim)); 540 } 541 542 /********************************************************************** 543 * Handle completion of a command submitted via CAM. 544 */ 545 static void 546 amr_cam_complete(struct amr_command *ac) 547 { 548 struct amr_passthrough *ap; 549 struct amr_ext_passthrough *aep; 550 struct ccb_scsiio *csio; 551 struct scsi_inquiry_data *inq; 552 int scsi_status, cdb0; 553 554 ap = &ac->ac_ccb->ccb_pthru; 555 aep = &ac->ac_ccb->ccb_epthru; 556 csio = (struct ccb_scsiio *)ac->ac_private; 557 inq = (struct scsi_inquiry_data *)csio->data_ptr; 558 559 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 560 scsi_status = aep->ap_scsi_status; 561 else 562 scsi_status = ap->ap_scsi_status; 563 debug(1, "status 0x%x AP scsi_status 0x%x", ac->ac_status, 564 scsi_status); 565 566 /* Make sure the status is sane */ 567 if ((ac->ac_status != AMR_STATUS_SUCCESS) && (scsi_status == 0)) { 568 csio->ccb_h.status = CAM_REQ_CMP_ERR; 569 goto out; 570 } 571 572 /* 573 * Hide disks from CAM so that they're not picked up and treated as 574 * 'normal' disks. 575 * 576 * If the configuration provides a mechanism to mark a disk a "not 577 * managed", we could add handling for that to allow disks to be 578 * selectively visible. 579 */ 580 581 /* handle passthrough SCSI status */ 582 switch(scsi_status) { 583 case 0: /* completed OK */ 584 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 585 cdb0 = aep->ap_cdb[0]; 586 else 587 cdb0 = ap->ap_cdb[0]; 588 if ((cdb0 == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) 589 inq->device = (inq->device & 0xe0) | T_NODEVICE; 590 csio->ccb_h.status = CAM_REQ_CMP; 591 break; 592 593 case 0x02: 594 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 595 csio->scsi_status = SCSI_STATUS_CHECK_COND; 596 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 597 bcopy(aep->ap_request_sense_area, &csio->sense_data, 598 AMR_MAX_REQ_SENSE_LEN); 599 else 600 bcopy(ap->ap_request_sense_area, &csio->sense_data, 601 AMR_MAX_REQ_SENSE_LEN); 602 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 603 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 604 break; 605 606 case 0x08: 607 csio->ccb_h.status = CAM_SCSI_BUSY; 608 break; 609 610 case 0xf0: 611 case 0xf4: 612 default: 613 /* 614 * Non-zero LUNs are already filtered, so there's no need 615 * to return CAM_DEV_NOT_THERE. 616 */ 617 csio->ccb_h.status = CAM_SEL_TIMEOUT; 618 break; 619 } 620 621 out: 622 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 623 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, 624 " "); 625 626 lockmgr(&ac->ac_sc->amr_list_lock, LK_EXCLUSIVE); 627 xpt_done((union ccb *)csio); 628 amr_releasecmd(ac); 629 lockmgr(&ac->ac_sc->amr_list_lock, LK_RELEASE); 630 } 631