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 1.4 2004/03/15 03:05:05 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 device_printf(sc->amr_dev, "CAM SIM attach failed\n"); 163 return(ENOMEM); 164 } 165 166 /* register the bus ID so we can get it later */ 167 if (xpt_bus_register(sc->amr_cam_sim[chn], chn)) { 168 device_printf(sc->amr_dev, "CAM XPT bus registration failed\n"); 169 return(ENXIO); 170 } 171 } 172 cam_simq_release(devq); 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; 187 188 /* 189 * If a sim was allocated for a channel, free it 190 */ 191 for (chn = 0; chn < sc->amr_maxchan; chn++) { 192 if (sc->amr_cam_sim[chn] != NULL) { 193 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn])); 194 cam_sim_free(sc->amr_cam_sim[chn]); 195 } 196 } 197 } 198 199 /******************************************************************************** 200 ******************************************************************************** 201 CAM passthrough interface 202 ******************************************************************************** 203 ********************************************************************************/ 204 205 /******************************************************************************** 206 * Handle a request for action from CAM 207 */ 208 static void 209 amr_cam_action(struct cam_sim *sim, union ccb *ccb) 210 { 211 struct amr_softc *sc = cam_sim_softc(sim); 212 213 switch(ccb->ccb_h.func_code) { 214 215 /* 216 * Perform SCSI I/O to a physical device. 217 */ 218 case XPT_SCSI_IO: 219 { 220 struct ccb_hdr *ccbh = &ccb->ccb_h; 221 struct ccb_scsiio *csio = &ccb->csio; 222 223 /* Validate the CCB */ 224 ccbh->status = CAM_REQ_INPROG; 225 226 /* check the CDB length */ 227 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN) 228 ccbh->status = CAM_REQ_CMP_ERR; 229 230 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && (sc->support_ext_cdb == 0 )) 231 ccbh->status = CAM_REQ_CMP_ERR; 232 233 /* check that the CDB pointer is not to a physical address */ 234 if ((ccbh->flags & CAM_CDB_POINTER) && (ccbh->flags & CAM_CDB_PHYS)) 235 ccbh->status = CAM_REQ_CMP_ERR; 236 237 /* if there is data transfer, it must be to/from a virtual address */ 238 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) { 239 if (ccbh->flags & CAM_DATA_PHYS) /* we can't map it */ 240 ccbh->status = CAM_REQ_CMP_ERR; 241 if (ccbh->flags & CAM_SCATTER_VALID) /* we want to do the s/g setup */ 242 ccbh->status = CAM_REQ_CMP_ERR; 243 } 244 245 /* 246 * If the command is to a LUN other than 0, fail it. 247 * This is probably incorrect, but during testing the firmware did not 248 * seem to respect the LUN field, and thus devices appear echoed. 249 */ 250 if (csio->ccb_h.target_lun != 0) 251 ccbh->status = CAM_REQ_CMP_ERR; 252 253 /* if we're happy with the request, queue it for attention */ 254 if (ccbh->status == CAM_REQ_INPROG) { 255 256 /* save the channel number in the ccb */ 257 csio->ccb_h.sim_priv.entries[0].field = cam_sim_bus(sim); 258 259 amr_enqueue_ccb(sc, ccb); 260 amr_startio(sc); 261 return; 262 } 263 break; 264 } 265 266 case XPT_CALC_GEOMETRY: 267 { 268 struct ccb_calc_geometry *ccg = &ccb->ccg; 269 u_int32_t size_in_mb; 270 u_int32_t secs_per_cylinder; 271 272 size_in_mb = ccg->volume_size / ((1024L * 1024L) / ccg->block_size); 273 274 if (size_in_mb > 1024) { 275 ccg->heads = 255; 276 ccg->secs_per_track = 63; 277 } else { 278 ccg->heads = 64; 279 ccg->secs_per_track = 32; 280 } 281 secs_per_cylinder = ccg->heads * ccg->secs_per_track; 282 ccg->cylinders = ccg->volume_size / secs_per_cylinder; 283 ccb->ccb_h.status = CAM_REQ_CMP; 284 break; 285 } 286 287 /* 288 * Return path stats. Some of these should probably be 289 * amended. 290 */ 291 case XPT_PATH_INQ: 292 { 293 struct ccb_pathinq *cpi = & ccb->cpi; 294 295 debug(3, "XPT_PATH_INQ"); 296 cpi->version_num = 1; /* XXX??? */ 297 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; 298 cpi->target_sprt = 0; 299 cpi->hba_misc = PIM_NOBUSRESET; 300 cpi->hba_eng_cnt = 0; 301 cpi->max_target = AMR_MAX_TARGETS; 302 cpi->max_lun = 0 /* AMR_MAX_LUNS*/; 303 cpi->initiator_id = 7; /* XXX variable? */ 304 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN); 305 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN); 306 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN); 307 cpi->unit_number = cam_sim_unit(sim); 308 cpi->bus_id = cam_sim_bus(sim); 309 cpi->base_transfer_speed = 132 * 1024; /* XXX get from controller? */ 310 cpi->ccb_h.status = CAM_REQ_CMP; 311 312 break; 313 } 314 315 case XPT_RESET_BUS: 316 { 317 struct ccb_pathinq *cpi = & ccb->cpi; 318 319 debug(1, "XPT_RESET_BUS"); 320 cpi->ccb_h.status = CAM_REQ_CMP; 321 break; 322 } 323 324 case XPT_RESET_DEV: 325 { 326 debug(1, "XPT_RESET_DEV"); 327 ccb->ccb_h.status = CAM_REQ_CMP; 328 break; 329 } 330 331 case XPT_GET_TRAN_SETTINGS: 332 { 333 struct ccb_trans_settings *cts; 334 335 debug(3, "XPT_GET_TRAN_SETTINGS"); 336 337 cts = &(ccb->cts); 338 339 if ((cts->flags & CCB_TRANS_USER_SETTINGS) == 0) { 340 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 341 break; 342 } 343 344 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB; 345 cts->bus_width = MSG_EXT_WDTR_BUS_32_BIT; 346 cts->sync_period = 6; /* 40MHz how wide is this bus? */ 347 cts->sync_offset = 31; /* How to extract this from board? */ 348 349 cts->valid = CCB_TRANS_SYNC_RATE_VALID 350 | CCB_TRANS_SYNC_OFFSET_VALID 351 | CCB_TRANS_BUS_WIDTH_VALID 352 | CCB_TRANS_DISC_VALID 353 | CCB_TRANS_TQ_VALID; 354 ccb->ccb_h.status = CAM_REQ_CMP; 355 break; 356 } 357 358 case XPT_SET_TRAN_SETTINGS: 359 debug(3, "XPT_SET_TRAN_SETTINGS"); 360 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL; 361 break; 362 363 364 /* 365 * Reject anything else as unsupported. 366 */ 367 default: 368 /* we can't do this */ 369 ccb->ccb_h.status = CAM_REQ_INVALID; 370 break; 371 } 372 xpt_done(ccb); 373 } 374 375 /******************************************************************************** 376 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI command. 377 */ 378 int 379 amr_cam_command(struct amr_softc *sc, struct amr_command **acp) 380 { 381 struct amr_command *ac; 382 struct amr_passthrough *ap; 383 struct amr_ext_passthrough *aep; 384 struct ccb_scsiio *csio; 385 int bus, target, error; 386 387 error = 0; 388 ac = NULL; 389 ap = NULL; 390 aep = NULL; 391 392 /* check to see if there is a ccb for us to work with */ 393 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL) 394 goto out; 395 396 /* get bus/target, XXX validate against protected devices? */ 397 bus = csio->ccb_h.sim_priv.entries[0].field; 398 target = csio->ccb_h.target_id; 399 400 /* 401 * Build a passthrough command. 402 */ 403 404 /* construct passthrough */ 405 if (sc->support_ext_cdb ) { 406 if ((aep = malloc(sizeof(*aep), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 407 error = ENOMEM; 408 goto out; 409 } 410 aep->ap_timeout = 2; 411 aep->ap_ars = 1; 412 aep->ap_request_sense_length = 14; 413 aep->ap_islogical = 0; 414 aep->ap_channel = bus; 415 aep->ap_scsi_id = target; 416 aep->ap_logical_drive_no = csio->ccb_h.target_lun; 417 aep->ap_cdb_length = csio->cdb_len; 418 aep->ap_data_transfer_length = csio->dxfer_len; 419 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 420 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len); 421 } else { 422 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, csio->cdb_len); 423 } 424 /* we leave the data s/g list and s/g count to the map routine later */ 425 426 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], aep->ap_cdb_length, csio->dxfer_len, 427 aep->ap_channel, aep->ap_scsi_id, aep->ap_logical_drive_no); 428 429 } else { 430 if ((ap = malloc(sizeof(*ap), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { 431 error = ENOMEM; 432 goto out; 433 } 434 ap->ap_timeout = 0; 435 ap->ap_ars = 1; 436 ap->ap_request_sense_length = 14; 437 ap->ap_islogical = 0; 438 ap->ap_channel = bus; 439 ap->ap_scsi_id = target; 440 ap->ap_logical_drive_no = csio->ccb_h.target_lun; 441 ap->ap_cdb_length = csio->cdb_len; 442 ap->ap_data_transfer_length = csio->dxfer_len; 443 if (csio->ccb_h.flags & CAM_CDB_POINTER) { 444 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len); 445 } else { 446 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, csio->cdb_len); 447 } 448 /* we leave the data s/g list and s/g count to the map routine later */ 449 450 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], ap->ap_cdb_length, csio->dxfer_len, 451 ap->ap_channel, ap->ap_scsi_id, ap->ap_logical_drive_no); 452 } 453 454 /* construct command */ 455 if ((ac = amr_alloccmd(sc)) == NULL) { 456 error = ENOMEM; 457 goto out; 458 } 459 460 ac->ac_flags |= AMR_CMD_DATAOUT; 461 462 ac->ac_ccb_data = csio->data_ptr; 463 ac->ac_ccb_length = csio->dxfer_len; 464 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN) 465 ac->ac_flags |= AMR_CMD_CCB_DATAIN; 466 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT) 467 ac->ac_flags |= AMR_CMD_CCB_DATAOUT; 468 469 ac->ac_private = csio; 470 if ( sc->support_ext_cdb ) { 471 ac->ac_data = aep; 472 ac->ac_length = sizeof(*aep); 473 ac->ac_complete = amr_cam_complete_extcdb; 474 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS; 475 } else { 476 ac->ac_data = ap; 477 ac->ac_length = sizeof(*ap); 478 ac->ac_complete = amr_cam_complete; 479 ac->ac_mailbox.mb_command = AMR_CMD_PASS; 480 } 481 482 out: 483 if (error != 0) { 484 if (ac != NULL) 485 amr_releasecmd(ac); 486 if (ap != NULL) 487 free(ap, M_DEVBUF); 488 if (aep != NULL) 489 free(aep, M_DEVBUF); 490 if (csio != NULL) /* put it back and try again later */ 491 amr_requeue_ccb(sc, (union ccb *)csio); 492 } 493 *acp = ac; 494 return(error); 495 } 496 497 /******************************************************************************** 498 * Check for interrupt status 499 */ 500 static void 501 amr_cam_poll(struct cam_sim *sim) 502 { 503 amr_done(cam_sim_softc(sim)); 504 } 505 506 /******************************************************************************** 507 * Handle completion of a command submitted via CAM. 508 */ 509 static void 510 amr_cam_complete(struct amr_command *ac) 511 { 512 struct amr_passthrough *ap = (struct amr_passthrough *)ac->ac_data; 513 struct ccb_scsiio *csio = (struct ccb_scsiio *)ac->ac_private; 514 struct scsi_inquiry_data *inq = (struct scsi_inquiry_data *)csio->data_ptr; 515 516 /* XXX note that we're ignoring ac->ac_status - good idea? */ 517 518 debug(1, "status 0x%x scsi_status 0x%x", ac->ac_status, ap->ap_scsi_status); 519 520 /* 521 * Hide disks from CAM so that they're not picked up and treated as 'normal' disks. 522 * 523 * If the configuration provides a mechanism to mark a disk a "not managed", we 524 * could add handling for that to allow disks to be selectively visible. 525 */ 526 527 if ((ap->ap_cdb[0] == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) { 528 bzero(csio->data_ptr, csio->dxfer_len); 529 if (ap->ap_scsi_status == 0xf0) { 530 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 531 } else { 532 csio->ccb_h.status = CAM_DEV_NOT_THERE; 533 } 534 } else { 535 536 /* handle passthrough SCSI status */ 537 switch(ap->ap_scsi_status) { 538 case 0: /* completed OK */ 539 csio->ccb_h.status = CAM_REQ_CMP; 540 break; 541 542 case 0x02: 543 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 544 csio->scsi_status = SCSI_STATUS_CHECK_COND; 545 bcopy(ap->ap_request_sense_area, &csio->sense_data, AMR_MAX_REQ_SENSE_LEN); 546 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 547 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 548 break; 549 550 case 0x08: 551 csio->ccb_h.status = CAM_SCSI_BUSY; 552 break; 553 554 case 0xf0: 555 case 0xf4: 556 default: 557 csio->ccb_h.status = CAM_REQ_CMP_ERR; 558 break; 559 } 560 } 561 free(ap, M_DEVBUF); 562 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 563 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, " "); 564 xpt_done((union ccb *)csio); 565 amr_releasecmd(ac); 566 } 567 568 /******************************************************************************** 569 * Handle completion of a command submitted via CAM. 570 * Completion for extended cdb 571 */ 572 static void 573 amr_cam_complete_extcdb(struct amr_command *ac) 574 { 575 struct amr_ext_passthrough *aep = (struct amr_ext_passthrough *)ac->ac_data; 576 struct ccb_scsiio *csio = (struct ccb_scsiio *)ac->ac_private; 577 struct scsi_inquiry_data *inq = (struct scsi_inquiry_data *)csio->data_ptr; 578 579 /* XXX note that we're ignoring ac->ac_status - good idea? */ 580 581 debug(1, "status 0x%x scsi_status 0x%x", ac->ac_status, aep->ap_scsi_status); 582 583 /* 584 * Hide disks from CAM so that they're not picked up and treated as 'normal' disks. 585 * 586 * If the configuration provides a mechanism to mark a disk a "not managed", we 587 * could add handling for that to allow disks to be selectively visible. 588 */ 589 590 if ((aep->ap_cdb[0] == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) { 591 bzero(csio->data_ptr, csio->dxfer_len); 592 if (aep->ap_scsi_status == 0xf0) { 593 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 594 } else { 595 csio->ccb_h.status = CAM_DEV_NOT_THERE; 596 } 597 } else { 598 599 /* handle passthrough SCSI status */ 600 switch(aep->ap_scsi_status) { 601 case 0: /* completed OK */ 602 csio->ccb_h.status = CAM_REQ_CMP; 603 break; 604 605 case 0x02: 606 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR; 607 csio->scsi_status = SCSI_STATUS_CHECK_COND; 608 bcopy(aep->ap_request_sense_area, &csio->sense_data, AMR_MAX_REQ_SENSE_LEN); 609 csio->sense_len = AMR_MAX_REQ_SENSE_LEN; 610 csio->ccb_h.status |= CAM_AUTOSNS_VALID; 611 break; 612 613 case 0x08: 614 csio->ccb_h.status = CAM_SCSI_BUSY; 615 break; 616 617 case 0xf0: 618 case 0xf4: 619 default: 620 csio->ccb_h.status = CAM_REQ_CMP_ERR; 621 break; 622 } 623 } 624 free(aep, M_DEVBUF); 625 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE) 626 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, " "); 627 xpt_done((union ccb *)csio); 628 amr_releasecmd(ac); 629 } 630