Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/amr/amr_cam.c
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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 57 #include <sys/cdefs.h> 58 __FBSDID("$FreeBSD: releng/8.3/sys/dev/amr/amr_cam.c 184573 2008-11-03 00:53:54Z scottl $"); 59 60 #include <sys/param.h> 61 #include <sys/systm.h> 62 #include <sys/malloc.h> 63 #include <sys/kernel.h> 64 #include <sys/module.h> 65 66 #include <sys/bio.h> 67 #include <sys/bus.h> 68 #include <sys/conf.h> 69 #include <sys/stat.h> 70 71 #include <cam/cam.h> 72 #include <cam/cam_ccb.h> 73 #include <cam/cam_sim.h> 74 #include <cam/cam_xpt.h> 75 #include <cam/cam_xpt_sim.h> 76 #include <cam/cam_debug.h> 77 #include <cam/scsi/scsi_all.h> 78 #include <cam/scsi/scsi_message.h> 79 80 #include <machine/resource.h> 81 #include <machine/bus.h> 82 83 #include <dev/amr/amrreg.h> 84 #include <dev/amr/amrvar.h> 85 86 static int amr_cam_probe(device_t dev); 87 static int amr_cam_attach(device_t dev); 88 static int amr_cam_detach(device_t dev); 89 static void amr_cam_action(struct cam_sim *sim, union ccb *ccb); 90 static void amr_cam_poll(struct cam_sim *sim); 91 static void amr_cam_complete(struct amr_command *ac); 92 static int amr_cam_command(struct amr_softc *sc, struct amr_command **acp); 93 94 static devclass_t amr_pass_devclass; 95 96 static device_method_t amr_pass_methods[] = { 97 DEVMETHOD(device_probe, amr_cam_probe), 98 DEVMETHOD(device_attach, amr_cam_attach), 99 DEVMETHOD(device_detach, amr_cam_detach), 100 { 0, 0 } 101 }; 102 103 static driver_t amr_pass_driver = { 104 "amrp", 105 amr_pass_methods, 106 0 107 }; 108 109 DRIVER_MODULE(amrp, amr, amr_pass_driver, amr_pass_devclass, 0, 0); 110 MODULE_DEPEND(amrp, cam, 1, 1, 1); 111 112 MALLOC_DEFINE(M_AMRCAM, "amrcam", "AMR CAM memory"); 113 114 /*********************************************************************** 115 * Enqueue/dequeue functions 116 */ 117 static __inline void 118 amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb) 119 { 120 121 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 122 } 123 124 static __inline void 125 amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb) 126 { 127 128 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 129 } 130 131 static __inline union ccb * 132 amr_dequeue_ccb(struct amr_softc *sc) 133 { 134 union ccb *ccb; 135 136 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL) 137 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 138 return(ccb); 139 } 140 141 static int 142 amr_cam_probe(device_t dev) 143 { 144 return (0); 145 } 146 147 /******************************************************************************** 148 * Attach our 'real' SCSI channels to CAM 149 */ 150 static int 151 amr_cam_attach(device_t dev) 152 { 153 struct amr_softc *sc; 154 struct cam_devq *devq; 155 int chn, error; 156 157 sc = device_get_softc(dev); 158 159 /* initialise the ccb queue */ 160 TAILQ_INIT(&sc->amr_cam_ccbq); 161 162 /* 163 * Allocate a devq for all our channels combined. This should 164 * allow for the maximum number of SCSI commands we will accept 165 * at one time. Save the pointer in the softc so we can find it later 166 * during detach. 167 */ 168 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL) 169 return(ENOMEM); 170 sc->amr_cam_devq = devq; 171 172 /* 173 * Iterate over our channels, registering them with CAM 174 */ 175 for (chn = 0; chn < sc->amr_maxchan; chn++) { 176 177 /* allocate a sim */ 178 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action, 179 amr_cam_poll, "amr", sc, device_get_unit(sc->amr_dev), 180 &sc->amr_list_lock, 1, AMR_MAX_SCSI_CMDS, devq)) == NULL) { 181 cam_simq_free(devq); 182 device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 183 return(ENOMEM); 184 } 185 186 /* register the bus ID so we can get it later */ 187 mtx_lock(&sc->amr_list_lock); 188 error = xpt_bus_register(sc->amr_cam_sim[chn], sc->amr_dev,chn); 189 mtx_unlock(&sc->amr_list_lock); 190 if (error) { 191 device_printf(sc->amr_dev, 192 "CAM XPT bus registration failed\n"); 193 return(ENXIO); 194 } 195 } 196 /* 197 * XXX we should scan the config and work out which devices are 198 * actually protected. 199 */ 200 sc->amr_cam_command = amr_cam_command; 201 return(0); 202 } 203 204 /******************************************************************************** 205 * Disconnect ourselves from CAM 206 */ 207 static int 208 amr_cam_detach(device_t dev) 209 { 210 struct amr_softc *sc; 211 int chn; 212 213 sc = device_get_softc(dev); 214 mtx_lock(&sc->amr_list_lock); 215 for (chn = 0; chn < sc->amr_maxchan; chn++) { 216 /* 217 * If a sim was allocated for this channel, free it 218 */ 219 if (sc->amr_cam_sim[chn] != NULL) { 220 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 221 cam_sim_free(sc->amr_cam_sim[chn], FALSE); 222 } 223 } 224 mtx_unlock(&sc->amr_list_lock); 225 226 /* Now free the devq */ 227 if (sc->amr_cam_devq != NULL) 228 cam_simq_free(sc->amr_cam_devq); 229 230 return (0); 231 } 232 233 /*********************************************************************** 234 *********************************************************************** 235 CAM passthrough interface 236 *********************************************************************** 237 ***********************************************************************/ 238 239 /*********************************************************************** 240 * Handle a request for action from CAM 241 */ 242 static void 243 amr_cam_action(struct cam_sim *sim, union ccb *ccb) 244 { 245 struct amr_softc *sc = cam_sim_softc(sim); 246 247 switch(ccb->ccb_h.func_code) { 248 249 /* 250 * Perform SCSI I/O to a physical device. 251 */ 252 case XPT_SCSI_IO: 253 { 254 struct ccb_hdr *ccbh = &ccb->ccb_h; 255 struct ccb_scsiio *csio = &ccb->csio; 256 257 /* Validate the CCB */ 258 ccbh->status = CAM_REQ_INPROG; 259 260 /* check the CDB length */ 261 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 262 ccbh->status = CAM_REQ_INVALID; 263 264 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && 265 (sc->support_ext_cdb == 0)) 266 ccbh->status = CAM_REQ_INVALID; 267 268 /* check that the CDB pointer is not to a physical address */ 269 if ((ccbh->flags & CAM_CDB_POINTER) && 270 (ccbh->flags & CAM_CDB_PHYS)) 271 ccbh->status = CAM_REQ_INVALID; 272 /* 273 * if there is data transfer, it must be to/from a virtual 274 * address 275 */ 276 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 277 if (ccbh->flags & CAM_DATA_PHYS) 278 /* we can't map it */ 279 ccbh->status = CAM_REQ_INVALID; 280 if (ccbh->flags & CAM_SCATTER_VALID) 281 /* we want to do the s/g setup */ 282 ccbh->status = CAM_REQ_INVALID; 283 } 284 285 /* 286 * If the command is to a LUN other than 0, fail it. 287 * This is probably incorrect, but during testing the 288 * firmware did not seem to respect the LUN field, and thus 289 * devices appear echoed. 290 */ 291 if (csio->ccb_h.target_lun != 0) 292 ccbh->status = CAM_DEV_NOT_THERE; 293 294 /* if we're happy with the request, queue it for attention */ 295 if (ccbh->status == CAM_REQ_INPROG) { 296 297 /* save the channel number in the ccb */ 298 csio->ccb_h.sim_priv.entries[0].field= cam_sim_bus(sim); 299 300 amr_enqueue_ccb(sc, ccb); 301 amr_startio(sc); 302 return; 303 } 304 break; 305 } 306 307 case XPT_CALC_GEOMETRY: 308 { 309 cam_calc_geometry(&ccb->ccg, /*extended*/1); 310 break; 311 } 312 313 /* 314 * Return path stats. Some of these should probably be amended. 315 */ 316 case XPT_PATH_INQ: 317 { 318 struct ccb_pathinq *cpi = & ccb->cpi; 319 320 debug(3, "XPT_PATH_INQ"); 321 cpi->version_num = 1; /* XXX??? */ 322 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 323 cpi->target_sprt = 0; 324 cpi->hba_misc = PIM_NOBUSRESET|PIM_SEQSCAN; 325 cpi->hba_eng_cnt = 0; 326 cpi->max_target = AMR_MAX_TARGETS; 327 cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 328 cpi->initiator_id = 7; /* XXX variable? */ 329 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 330 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 331 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 332 cpi->unit_number = cam_sim_unit(sim); 333 cpi->bus_id = cam_sim_bus(sim); 334 cpi->base_transfer_speed = 132 * 1024; /* XXX */ 335 cpi->transport = XPORT_SPI; 336 cpi->transport_version = 2; 337 cpi->protocol = PROTO_SCSI; 338 cpi->protocol_version = SCSI_REV_2; 339 cpi->ccb_h.status = CAM_REQ_CMP; 340 341 break; 342 } 343 344 case XPT_RESET_BUS: 345 { 346 struct ccb_pathinq *cpi = & ccb->cpi; 347 348 debug(1, "XPT_RESET_BUS"); 349 cpi->ccb_h.status = CAM_REQ_CMP; 350 break; 351 } 352 353 case XPT_RESET_DEV: 354 { 355 debug(1, "XPT_RESET_DEV"); 356 ccb->ccb_h.status = CAM_REQ_CMP; 357 break; 358 } 359 360 case XPT_GET_TRAN_SETTINGS: 361 { 362 struct ccb_trans_settings *cts = &(ccb->cts); 363 364 debug(3, "XPT_GET_TRAN_SETTINGS"); 365 366 struct ccb_trans_settings_scsi *scsi; 367 struct ccb_trans_settings_spi *spi; 368 369 scsi = &cts->proto_specific.scsi; 370 spi = &cts->xport_specific.spi; 371 372 cts->protocol = PROTO_SCSI; 373 cts->protocol_version = SCSI_REV_2; 374 cts->transport = XPORT_SPI; 375 cts->transport_version = 2; 376 377 if (cts->type == CTS_TYPE_USER_SETTINGS) { 378 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 379 break; 380 } 381 382 spi->flags = CTS_SPI_FLAGS_DISC_ENB; 383 spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 384 spi->sync_period = 6; /* 40MHz how wide is this bus? */ 385 spi->sync_offset = 31; /* How to extract this from board? */ 386 387 spi->valid = CTS_SPI_VALID_SYNC_RATE 388 | CTS_SPI_VALID_SYNC_OFFSET 389 | CTS_SPI_VALID_BUS_WIDTH 390 | CTS_SPI_VALID_DISC; 391 scsi->valid = CTS_SCSI_VALID_TQ; 392 ccb->ccb_h.status = CAM_REQ_CMP; 393 break; 394 } 395 396 case XPT_SET_TRAN_SETTINGS: 397 debug(3, "XPT_SET_TRAN_SETTINGS"); 398 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 399 break; 400 401 402 /* 403 * Reject anything else as unsupported. 404 */ 405 default: 406 /* we can't do this */ 407 ccb->ccb_h.status = CAM_REQ_INVALID; 408 break; 409 } 410 411 mtx_assert(&sc->amr_list_lock, MA_OWNED); 412 xpt_done(ccb); 413 } 414 415 /*********************************************************************** 416 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI 417 * command. 418 */ 419 static int 420 amr_cam_command(struct amr_softc *sc, struct amr_command **acp) 421 { 422 struct amr_command *ac; 423 struct amr_passthrough *ap; 424 struct amr_ext_passthrough *aep; 425 struct ccb_scsiio *csio; 426 int bus, target, error; 427 428 error = 0; 429 ac = NULL; 430 ap = NULL; 431 aep = NULL; 432 433 /* check to see if there is a ccb for us to work with */ 434 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 435 goto out; 436 437 /* get bus/target, XXX validate against protected devices? */ 438 bus = csio->ccb_h.sim_priv.entries[0].field; 439 target = csio->ccb_h.target_id; 440 441 /* 442 * Build a passthrough command. 443 */ 444 445 /* construct command */ 446 if ((ac = amr_alloccmd(sc)) == NULL) { 447 error = ENOMEM; 448 goto out; 449 } 450 451 /* construct passthrough */ 452 if (sc->support_ext_cdb ) { 453 aep = &ac->ac_ccb->ccb_epthru; 454 aep->ap_timeout = 2; 455 aep->ap_ars = 1; 456 aep->ap_request_sense_length = 14; 457 aep->ap_islogical = 0; 458 aep->ap_channel = bus; 459 aep->ap_scsi_id = target; 460 aep->ap_logical_drive_no = csio->ccb_h.target_lun; 461 aep->ap_cdb_length = csio->cdb_len; 462 aep->ap_data_transfer_length = csio->dxfer_len; 463 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 464 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 465 } else { 466 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, 467 csio->cdb_len); 468 } 469 /* 470 * we leave the data s/g list and s/g count to the map routine 471 * later 472 */ 473 474 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], 475 aep->ap_cdb_length, csio->dxfer_len, aep->ap_channel, 476 aep->ap_scsi_id, aep->ap_logical_drive_no); 477 478 } else { 479 ap = &ac->ac_ccb->ccb_pthru; 480 ap->ap_timeout = 0; 481 ap->ap_ars = 1; 482 ap->ap_request_sense_length = 14; 483 ap->ap_islogical = 0; 484 ap->ap_channel = bus; 485 ap->ap_scsi_id = target; 486 ap->ap_logical_drive_no = csio->ccb_h.target_lun; 487 ap->ap_cdb_length = csio->cdb_len; 488 ap->ap_data_transfer_length = csio->dxfer_len; 489 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 490 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 491 } else { 492 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, 493 csio->cdb_len); 494 } 495 /* 496 * we leave the data s/g list and s/g count to the map routine 497 * later 498 */ 499 500 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], 501 ap->ap_cdb_length, csio->dxfer_len, ap->ap_channel, 502 ap->ap_scsi_id, ap->ap_logical_drive_no); 503 } 504 505 ac->ac_flags |= AMR_CMD_CCB; 506 507 ac->ac_data = csio->data_ptr; 508 ac->ac_length = csio->dxfer_len; 509 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 510 ac->ac_flags |= AMR_CMD_DATAIN; 511 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 512 ac->ac_flags |= AMR_CMD_DATAOUT; 513 514 ac->ac_private = csio; 515 ac->ac_complete = amr_cam_complete; 516 if ( sc->support_ext_cdb ) { 517 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 518 } else { 519 ac->ac_mailbox.mb_command = AMR_CMD_PASS; 520 } 521 522 out: 523 if (error != 0) { 524 if (ac != NULL) 525 amr_releasecmd(ac); 526 if (csio != NULL) 527 /* put it back and try again later */ 528 amr_requeue_ccb(sc, (union ccb *)csio); 529 } 530 *acp = ac; 531 return(error); 532 } 533 534 /*********************************************************************** 535 * Check for interrupt status 536 */ 537 static void 538 amr_cam_poll(struct cam_sim *sim) 539 { 540 541 amr_done(cam_sim_softc(sim)); 542 } 543 544 /********************************************************************** 545 * Handle completion of a command submitted via CAM. 546 */ 547 static void 548 amr_cam_complete(struct amr_command *ac) 549 { 550 struct amr_passthrough *ap; 551 struct amr_ext_passthrough *aep; 552 struct ccb_scsiio *csio; 553 struct scsi_inquiry_data *inq; 554 int scsi_status, cdb0; 555 556 ap = &ac->ac_ccb->ccb_pthru; 557 aep = &ac->ac_ccb->ccb_epthru; 558 csio = (struct ccb_scsiio *)ac->ac_private; 559 inq = (struct scsi_inquiry_data *)csio->data_ptr; 560 561 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 562 scsi_status = aep->ap_scsi_status; 563 else 564 scsi_status = ap->ap_scsi_status; 565 debug(1, "status 0x%x AP scsi_status 0x%x", ac->ac_status, 566 scsi_status); 567 568 /* Make sure the status is sane */ 569 if ((ac->ac_status != AMR_STATUS_SUCCESS) && (scsi_status == 0)) { 570 csio->ccb_h.status = CAM_REQ_CMP_ERR; 571 goto out; 572 } 573 574 /* 575 * Hide disks from CAM so that they're not picked up and treated as 576 * 'normal' disks. 577 * 578 * If the configuration provides a mechanism to mark a disk a "not 579 * managed", we could add handling for that to allow disks to be 580 * selectively visible. 581 */ 582 583 /* handle passthrough SCSI status */ 584 switch(scsi_status) { 585 case 0: /* completed OK */ 586 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 587 cdb0 = aep->ap_cdb[0]; 588 else 589 cdb0 = ap->ap_cdb[0]; 590 if ((cdb0 == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) 591 inq->device = (inq->device & 0xe0) | T_NODEVICE; 592 csio->ccb_h.status = CAM_REQ_CMP; 593 break; 594 595 case 0x02: 596 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 597 csio->scsi_status = SCSI_STATUS_CHECK_COND; 598 if (ac->ac_mailbox.mb_command == AMR_CMD_EXTPASS) 599 bcopy(aep->ap_request_sense_area, &csio->sense_data, 600 AMR_MAX_REQ_SENSE_LEN); 601 else 602 bcopy(ap->ap_request_sense_area, &csio->sense_data, 603 AMR_MAX_REQ_SENSE_LEN); 604 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 605 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 606 break; 607 608 case 0x08: 609 csio->ccb_h.status = CAM_SCSI_BUSY; 610 break; 611 612 case 0xf0: 613 case 0xf4: 614 default: 615 /* 616 * Non-zero LUNs are already filtered, so there's no need 617 * to return CAM_DEV_NOT_THERE. 618 */ 619 csio->ccb_h.status = CAM_SEL_TIMEOUT; 620 break; 621 } 622 623 out: 624 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 625 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, 626 " "); 627 628 mtx_lock(&ac->ac_sc->amr_list_lock); 629 xpt_done((union ccb *)csio); 630 amr_releasecmd(ac); 631 mtx_unlock(&ac->ac_sc->amr_list_lock); 632 }
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