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 * Copyright (c) 2002 Eric Moore 28 * Copyright (c) 2002 LSI Logic Corporation 29 * All rights reserved. 30 * 31 * Redistribution and use in source and binary forms, with or without 32 * modification, are permitted provided that the following conditions 33 * are met: 34 * 1. Redistributions of source code must retain the above copyright 35 * notice, this list of conditions and the following disclaimer. 36 * 2. Redistributions in binary form must reproduce the above copyright 37 * notice, this list of conditions and the following disclaimer in the 38 * documentation and/or other materials provided with the distribution. 39 * 3. The party using or redistributing the source code and binary forms 40 * agrees to the disclaimer below and the terms and conditions set forth 41 * herein. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 44 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 45 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 46 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 47 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 48 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 49 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 50 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 51 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 52 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 53 * SUCH DAMAGE. 54 * 55 * $FreeBSD: src/sys/dev/amr/amr_cam.c,v 1.1.2.3 2002/11/11 13:19:10 emoore Exp $ 56 * $DragonFly: src/sys/dev/raid/amr/amr_cam.c,v 1.3 2003/08/07 21:17:08 dillon Exp $ 57 */ 58 59 #include <sys/param.h> 60 #include <sys/systm.h> 61 #include <sys/malloc.h> 62 #include <sys/kernel.h> 63 64 #include "amr_compat.h" 65 #include <sys/bus.h> 66 #include <sys/conf.h> 67 #include <sys/devicestat.h> 68 #include <sys/disk.h> 69 #include <sys/stat.h> 70 71 #include <bus/cam/cam.h> 72 #include <bus/cam/cam_ccb.h> 73 #include <bus/cam/cam_sim.h> 74 #include <bus/cam/cam_xpt.h> 75 #include <bus/cam/cam_xpt_sim.h> 76 #include <bus/cam/cam_debug.h> 77 #include <bus/cam/scsi/scsi_all.h> 78 #include <bus/cam/scsi/scsi_message.h> 79 80 #include <machine/resource.h> 81 #include <machine/bus.h> 82 83 #include "amrreg.h" 84 #include "amrvar.h" 85 86 static void amr_cam_action(struct cam_sim *sim, union ccb *ccb); 87 static void amr_cam_poll(struct cam_sim *sim); 88 static void amr_cam_complete(struct amr_command *ac); 89 static void amr_cam_complete_extcdb(struct amr_command *ac); 90 91 92 /******************************************************************************** 93 * Enqueue/dequeue functions 94 */ 95 static __inline void 96 amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb) 97 { 98 int s; 99 100 s = splbio(); 101 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 102 splx(s); 103 } 104 105 static __inline void 106 amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb) 107 { 108 int s; 109 110 s = splbio(); 111 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 112 splx(s); 113 } 114 115 static __inline union ccb * 116 amr_dequeue_ccb(struct amr_softc *sc) 117 { 118 union ccb *ccb; 119 int s; 120 121 s = splbio(); 122 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL) 123 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe); 124 splx(s); 125 return(ccb); 126 } 127 128 /******************************************************************************** 129 * Attach our 'real' SCSI channels to CAM 130 */ 131 int 132 amr_cam_attach(struct amr_softc *sc) 133 { 134 struct cam_devq *devq; 135 int chn; 136 137 /* initialise the ccb queue */ 138 TAILQ_INIT(&sc->amr_cam_ccbq); 139 140 /* 141 * Allocate a devq for all our channels combined. This should 142 * allow for the maximum number of SCSI commands we will accept 143 * at one time. 144 */ 145 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL) 146 return(ENOMEM); 147 148 /* 149 * Iterate over our channels, registering them with CAM 150 */ 151 for (chn = 0; chn < sc->amr_maxchan; chn++) { 152 153 /* allocate a sim */ 154 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action, 155 amr_cam_poll, 156 "amr", 157 sc, 158 device_get_unit(sc->amr_dev), 159 1, 160 AMR_MAX_SCSI_CMDS, 161 devq)) == NULL) { 162 cam_simq_free(devq); 163 device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 164 return(ENOMEM); 165 } 166 167 /* register the bus ID so we can get it later */ 168 if (xpt_bus_register(sc->amr_cam_sim[chn], chn)) { 169 device_printf(sc->amr_dev, "CAM XPT bus registration failed\n"); 170 return(ENXIO); 171 } 172 } 173 /* 174 * XXX we should scan the config and work out which devices are actually 175 * protected. 176 */ 177 return(0); 178 } 179 180 /******************************************************************************** 181 * Disconnect ourselves from CAM 182 */ 183 void 184 amr_cam_detach(struct amr_softc *sc) 185 { 186 int chn, first; 187 188 for (chn = 0, first = 1; chn < sc->amr_maxchan; chn++) { 189 190 /* 191 * If a sim was allocated for this channel, free it 192 */ 193 if (sc->amr_cam_sim[chn] != NULL) { 194 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 195 cam_sim_free(sc->amr_cam_sim[chn], first ? TRUE : FALSE); 196 first = 0; 197 } 198 } 199 } 200 201 /******************************************************************************** 202 ******************************************************************************** 203 CAM passthrough interface 204 ******************************************************************************** 205 ********************************************************************************/ 206 207 /******************************************************************************** 208 * Handle a request for action from CAM 209 */ 210 static void 211 amr_cam_action(struct cam_sim *sim, union ccb *ccb) 212 { 213 struct amr_softc *sc = cam_sim_softc(sim); 214 215 switch(ccb->ccb_h.func_code) { 216 217 /* 218 * Perform SCSI I/O to a physical device. 219 */ 220 case XPT_SCSI_IO: 221 { 222 struct ccb_hdr *ccbh = &ccb->ccb_h; 223 struct ccb_scsiio *csio = &ccb->csio; 224 225 /* Validate the CCB */ 226 ccbh->status = CAM_REQ_INPROG; 227 228 /* check the CDB length */ 229 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 230 ccbh->status = CAM_REQ_CMP_ERR; 231 232 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && (sc->support_ext_cdb == 0 )) 233 ccbh->status = CAM_REQ_CMP_ERR; 234 235 /* check that the CDB pointer is not to a physical address */ 236 if ((ccbh->flags & CAM_CDB_POINTER) && (ccbh->flags & CAM_CDB_PHYS)) 237 ccbh->status = CAM_REQ_CMP_ERR; 238 239 /* if there is data transfer, it must be to/from a virtual address */ 240 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 241 if (ccbh->flags & CAM_DATA_PHYS) /* we can't map it */ 242 ccbh->status = CAM_REQ_CMP_ERR; 243 if (ccbh->flags & CAM_SCATTER_VALID) /* we want to do the s/g setup */ 244 ccbh->status = CAM_REQ_CMP_ERR; 245 } 246 247 /* 248 * If the command is to a LUN other than 0, fail it. 249 * This is probably incorrect, but during testing the firmware did not 250 * seem to respect the LUN field, and thus devices appear echoed. 251 */ 252 if (csio->ccb_h.target_lun != 0) 253 ccbh->status = CAM_REQ_CMP_ERR; 254 255 /* if we're happy with the request, queue it for attention */ 256 if (ccbh->status == CAM_REQ_INPROG) { 257 258 /* save the channel number in the ccb */ 259 csio->ccb_h.sim_priv.entries[0].field = cam_sim_bus(sim); 260 261 amr_enqueue_ccb(sc, ccb); 262 amr_startio(sc); 263 return; 264 } 265 break; 266 } 267 268 case XPT_CALC_GEOMETRY: 269 { 270 struct ccb_calc_geometry *ccg = &ccb->ccg; 271 u_int32_t size_in_mb; 272 u_int32_t secs_per_cylinder; 273 274 size_in_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 275 276 if (size_in_mb > 1024) { 277 ccg->heads = 255; 278 ccg->secs_per_track = 63; 279 } else { 280 ccg->heads = 64; 281 ccg->secs_per_track = 32; 282 } 283 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 284 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 285 ccb->ccb_h.status = CAM_REQ_CMP; 286 break; 287 } 288 289 /* 290 * Return path stats. Some of these should probably be 291 * amended. 292 */ 293 case XPT_PATH_INQ: 294 { 295 struct ccb_pathinq *cpi = & ccb->cpi; 296 297 debug(3, "XPT_PATH_INQ"); 298 cpi->version_num = 1; /* XXX??? */ 299 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 300 cpi->target_sprt = 0; 301 cpi->hba_misc = PIM_NOBUSRESET; 302 cpi->hba_eng_cnt = 0; 303 cpi->max_target = AMR_MAX_TARGETS; 304 cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 305 cpi->initiator_id = 7; /* XXX variable? */ 306 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 307 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 308 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 309 cpi->unit_number = cam_sim_unit(sim); 310 cpi->bus_id = cam_sim_bus(sim); 311 cpi->base_transfer_speed = 132 * 1024; /* XXX get from controller? */ 312 cpi->ccb_h.status = CAM_REQ_CMP; 313 314 break; 315 } 316 317 case XPT_RESET_BUS: 318 { 319 struct ccb_pathinq *cpi = & ccb->cpi; 320 321 debug(1, "XPT_RESET_BUS"); 322 cpi->ccb_h.status = CAM_REQ_CMP; 323 break; 324 } 325 326 case XPT_RESET_DEV: 327 { 328 debug(1, "XPT_RESET_DEV"); 329 ccb->ccb_h.status = CAM_REQ_CMP; 330 break; 331 } 332 333 case XPT_GET_TRAN_SETTINGS: 334 { 335 struct ccb_trans_settings *cts; 336 337 debug(3, "XPT_GET_TRAN_SETTINGS"); 338 339 cts = &(ccb->cts); 340 341 if ((cts->flags & CCB_TRANS_USER_SETTINGS) == 0) { 342 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 343 break; 344 } 345 346 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB; 347 cts->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 348 cts->sync_period = 6; /* 40MHz how wide is this bus? */ 349 cts->sync_offset = 31; /* How to extract this from board? */ 350 351 cts->valid = CCB_TRANS_SYNC_RATE_VALID 352 | CCB_TRANS_SYNC_OFFSET_VALID 353 | CCB_TRANS_BUS_WIDTH_VALID 354 | CCB_TRANS_DISC_VALID 355 | CCB_TRANS_TQ_VALID; 356 ccb->ccb_h.status = CAM_REQ_CMP; 357 break; 358 } 359 360 case XPT_SET_TRAN_SETTINGS: 361 debug(3, "XPT_SET_TRAN_SETTINGS"); 362 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 363 break; 364 365 366 /* 367 * Reject anything else as unsupported. 368 */ 369 default: 370 /* we can't do this */ 371 ccb->ccb_h.status = CAM_REQ_INVALID; 372 break; 373 } 374 xpt_done(ccb); 375 } 376 377 /******************************************************************************** 378 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI command. 379 */ 380 int 381 amr_cam_command(struct amr_softc *sc, struct amr_command **acp) 382 { 383 struct amr_command *ac; 384 struct amr_passthrough *ap; 385 struct amr_ext_passthrough *aep; 386 struct ccb_scsiio *csio; 387 int bus, target, error; 388 389 error = 0; 390 ac = NULL; 391 ap = NULL; 392 aep = NULL; 393 394 /* check to see if there is a ccb for us to work with */ 395 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 396 goto out; 397 398 /* get bus/target, XXX validate against protected devices? */ 399 bus = csio->ccb_h.sim_priv.entries[0].field; 400 target = csio->ccb_h.target_id; 401 402 /* 403 * Build a passthrough command. 404 */ 405 406 /* construct passthrough */ 407 if (sc->support_ext_cdb ) { 408 if ((aep = malloc(sizeof(*aep), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 409 error = ENOMEM; 410 goto out; 411 } 412 aep->ap_timeout = 2; 413 aep->ap_ars = 1; 414 aep->ap_request_sense_length = 14; 415 aep->ap_islogical = 0; 416 aep->ap_channel = bus; 417 aep->ap_scsi_id = target; 418 aep->ap_logical_drive_no = csio->ccb_h.target_lun; 419 aep->ap_cdb_length = csio->cdb_len; 420 aep->ap_data_transfer_length = csio->dxfer_len; 421 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 422 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 423 } else { 424 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, csio->cdb_len); 425 } 426 /* we leave the data s/g list and s/g count to the map routine later */ 427 428 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], aep->ap_cdb_length, csio->dxfer_len, 429 aep->ap_channel, aep->ap_scsi_id, aep->ap_logical_drive_no); 430 431 } else { 432 if ((ap = malloc(sizeof(*ap), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 433 error = ENOMEM; 434 goto out; 435 } 436 ap->ap_timeout = 0; 437 ap->ap_ars = 1; 438 ap->ap_request_sense_length = 14; 439 ap->ap_islogical = 0; 440 ap->ap_channel = bus; 441 ap->ap_scsi_id = target; 442 ap->ap_logical_drive_no = csio->ccb_h.target_lun; 443 ap->ap_cdb_length = csio->cdb_len; 444 ap->ap_data_transfer_length = csio->dxfer_len; 445 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 446 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 447 } else { 448 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, csio->cdb_len); 449 } 450 /* we leave the data s/g list and s/g count to the map routine later */ 451 452 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], ap->ap_cdb_length, csio->dxfer_len, 453 ap->ap_channel, ap->ap_scsi_id, ap->ap_logical_drive_no); 454 } 455 456 /* construct command */ 457 if ((ac = amr_alloccmd(sc)) == NULL) { 458 error = ENOMEM; 459 goto out; 460 } 461 462 ac->ac_flags |= AMR_CMD_DATAOUT; 463 464 ac->ac_ccb_data = csio->data_ptr; 465 ac->ac_ccb_length = csio->dxfer_len; 466 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 467 ac->ac_flags |= AMR_CMD_CCB_DATAIN; 468 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 469 ac->ac_flags |= AMR_CMD_CCB_DATAOUT; 470 471 ac->ac_private = csio; 472 if ( sc->support_ext_cdb ) { 473 ac->ac_data = aep; 474 ac->ac_length = sizeof(*aep); 475 ac->ac_complete = amr_cam_complete_extcdb; 476 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 477 } else { 478 ac->ac_data = ap; 479 ac->ac_length = sizeof(*ap); 480 ac->ac_complete = amr_cam_complete; 481 ac->ac_mailbox.mb_command = AMR_CMD_PASS; 482 } 483 484 out: 485 if (error != 0) { 486 if (ac != NULL) 487 amr_releasecmd(ac); 488 if (ap != NULL) 489 free(ap, M_DEVBUF); 490 if (aep != NULL) 491 free(aep, M_DEVBUF); 492 if (csio != NULL) /* put it back and try again later */ 493 amr_requeue_ccb(sc, (union ccb *)csio); 494 } 495 *acp = ac; 496 return(error); 497 } 498 499 /******************************************************************************** 500 * Check for interrupt status 501 */ 502 static void 503 amr_cam_poll(struct cam_sim *sim) 504 { 505 amr_done(cam_sim_softc(sim)); 506 } 507 508 /******************************************************************************** 509 * Handle completion of a command submitted via CAM. 510 */ 511 static void 512 amr_cam_complete(struct amr_command *ac) 513 { 514 struct amr_passthrough *ap = (struct amr_passthrough *)ac->ac_data; 515 struct ccb_scsiio *csio = (struct ccb_scsiio *)ac->ac_private; 516 struct scsi_inquiry_data *inq = (struct scsi_inquiry_data *)csio->data_ptr; 517 518 /* XXX note that we're ignoring ac->ac_status - good idea? */ 519 520 debug(1, "status 0x%x scsi_status 0x%x", ac->ac_status, ap->ap_scsi_status); 521 522 /* 523 * Hide disks from CAM so that they're not picked up and treated as 'normal' disks. 524 * 525 * If the configuration provides a mechanism to mark a disk a "not managed", we 526 * could add handling for that to allow disks to be selectively visible. 527 */ 528 529 if ((ap->ap_cdb[0] == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) { 530 bzero(csio->data_ptr, csio->dxfer_len); 531 if (ap->ap_scsi_status == 0xf0) { 532 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 533 } else { 534 csio->ccb_h.status = CAM_DEV_NOT_THERE; 535 } 536 } else { 537 538 /* handle passthrough SCSI status */ 539 switch(ap->ap_scsi_status) { 540 case 0: /* completed OK */ 541 csio->ccb_h.status = CAM_REQ_CMP; 542 break; 543 544 case 0x02: 545 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 546 csio->scsi_status = SCSI_STATUS_CHECK_COND; 547 bcopy(ap->ap_request_sense_area, &csio->sense_data, AMR_MAX_REQ_SENSE_LEN); 548 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 549 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 550 break; 551 552 case 0x08: 553 csio->ccb_h.status = CAM_SCSI_BUSY; 554 break; 555 556 case 0xf0: 557 case 0xf4: 558 default: 559 csio->ccb_h.status = CAM_REQ_CMP_ERR; 560 break; 561 } 562 } 563 free(ap, M_DEVBUF); 564 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 565 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, " "); 566 xpt_done((union ccb *)csio); 567 amr_releasecmd(ac); 568 } 569 570 /******************************************************************************** 571 * Handle completion of a command submitted via CAM. 572 * Completion for extended cdb 573 */ 574 static void 575 amr_cam_complete_extcdb(struct amr_command *ac) 576 { 577 struct amr_ext_passthrough *aep = (struct amr_ext_passthrough *)ac->ac_data; 578 struct ccb_scsiio *csio = (struct ccb_scsiio *)ac->ac_private; 579 struct scsi_inquiry_data *inq = (struct scsi_inquiry_data *)csio->data_ptr; 580 581 /* XXX note that we're ignoring ac->ac_status - good idea? */ 582 583 debug(1, "status 0x%x scsi_status 0x%x", ac->ac_status, aep->ap_scsi_status); 584 585 /* 586 * Hide disks from CAM so that they're not picked up and treated as 'normal' disks. 587 * 588 * If the configuration provides a mechanism to mark a disk a "not managed", we 589 * could add handling for that to allow disks to be selectively visible. 590 */ 591 592 if ((aep->ap_cdb[0] == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) { 593 bzero(csio->data_ptr, csio->dxfer_len); 594 if (aep->ap_scsi_status == 0xf0) { 595 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 596 } else { 597 csio->ccb_h.status = CAM_DEV_NOT_THERE; 598 } 599 } else { 600 601 /* handle passthrough SCSI status */ 602 switch(aep->ap_scsi_status) { 603 case 0: /* completed OK */ 604 csio->ccb_h.status = CAM_REQ_CMP; 605 break; 606 607 case 0x02: 608 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 609 csio->scsi_status = SCSI_STATUS_CHECK_COND; 610 bcopy(aep->ap_request_sense_area, &csio->sense_data, AMR_MAX_REQ_SENSE_LEN); 611 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 612 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 613 break; 614 615 case 0x08: 616 csio->ccb_h.status = CAM_SCSI_BUSY; 617 break; 618 619 case 0xf0: 620 case 0xf4: 621 default: 622 csio->ccb_h.status = CAM_REQ_CMP_ERR; 623 break; 624 } 625 } 626 free(aep, M_DEVBUF); 627 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 628 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, " "); 629 xpt_done((union ccb *)csio); 630 amr_releasecmd(ac); 631 } 632