FreeBSD/Linux Kernel Cross Reference
sys/dev/amr/amr_cam.c
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/6.0/sys/dev/amr/amr_cam.c 141576 2005-02-09 17:19:12Z scottl $");
59
60 #include <sys/param.h>
61 #include <sys/systm.h>
62 #include <sys/malloc.h>
63 #include <sys/kernel.h>
64
65 #include <dev/amr/amr_compat.h>
66 #include <sys/bus.h>
67 #include <sys/conf.h>
68 #include <sys/stat.h>
69
70 #include <cam/cam.h>
71 #include <cam/cam_ccb.h>
72 #include <cam/cam_sim.h>
73 #include <cam/cam_xpt.h>
74 #include <cam/cam_xpt_sim.h>
75 #include <cam/cam_debug.h>
76 #include <cam/scsi/scsi_all.h>
77 #include <cam/scsi/scsi_message.h>
78
79 #include <machine/resource.h>
80 #include <machine/bus.h>
81
82 #include <dev/amr/amrreg.h>
83 #include <dev/amr/amrvar.h>
84
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 void amr_cam_complete_extcdb(struct amr_command *ac);
89
90
91 /********************************************************************************
92 * Enqueue/dequeue functions
93 */
94 static __inline void
95 amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb)
96 {
97 int s;
98
99 s = splbio();
100 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe);
101 splx(s);
102 }
103
104 static __inline void
105 amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb)
106 {
107 int s;
108
109 s = splbio();
110 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe);
111 splx(s);
112 }
113
114 static __inline union ccb *
115 amr_dequeue_ccb(struct amr_softc *sc)
116 {
117 union ccb *ccb;
118 int s;
119
120 s = splbio();
121 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL)
122 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe);
123 splx(s);
124 return(ccb);
125 }
126
127 /********************************************************************************
128 * Attach our 'real' SCSI channels to CAM
129 */
130 int
131 amr_cam_attach(struct amr_softc *sc)
132 {
133 struct cam_devq *devq;
134 int chn;
135
136 /* initialise the ccb queue */
137 TAILQ_INIT(&sc->amr_cam_ccbq);
138
139 /*
140 * Allocate a devq for all our channels combined. This should
141 * allow for the maximum number of SCSI commands we will accept
142 * at one time. Save the pointer in the softc so we can find it later
143 * during detach.
144 */
145 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL)
146 return(ENOMEM);
147 sc->amr_cam_devq = devq;
148
149 /*
150 * Iterate over our channels, registering them with CAM
151 */
152 for (chn = 0; chn < sc->amr_maxchan; chn++) {
153
154 /* allocate a sim */
155 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action,
156 amr_cam_poll,
157 "amr",
158 sc,
159 device_get_unit(sc->amr_dev),
160 1,
161 AMR_MAX_SCSI_CMDS,
162 devq)) == NULL) {
163 cam_simq_free(devq);
164 device_printf(sc->amr_dev, "CAM SIM attach failed\n");
165 return(ENOMEM);
166 }
167
168 /* register the bus ID so we can get it later */
169 if (xpt_bus_register(sc->amr_cam_sim[chn], chn)) {
170 device_printf(sc->amr_dev, "CAM XPT bus registration failed\n");
171 return(ENXIO);
172 }
173 }
174 /*
175 * XXX we should scan the config and work out which devices are actually
176 * protected.
177 */
178 return(0);
179 }
180
181 /********************************************************************************
182 * Disconnect ourselves from CAM
183 */
184 void
185 amr_cam_detach(struct amr_softc *sc)
186 {
187 int chn;
188
189 for (chn = 0; chn < sc->amr_maxchan; chn++) {
190
191 /*
192 * If a sim was allocated for this channel, free it
193 */
194 if (sc->amr_cam_sim[chn] != NULL) {
195 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn]));
196 cam_sim_free(sc->amr_cam_sim[chn], FALSE);
197 }
198 }
199
200 /* Now free the devq */
201 if (sc->amr_cam_devq != NULL)
202 cam_simq_free(sc->amr_cam_devq);
203 }
204
205 /********************************************************************************
206 ********************************************************************************
207 CAM passthrough interface
208 ********************************************************************************
209 ********************************************************************************/
210
211 /********************************************************************************
212 * Handle a request for action from CAM
213 */
214 static void
215 amr_cam_action(struct cam_sim *sim, union ccb *ccb)
216 {
217 struct amr_softc *sc = cam_sim_softc(sim);
218
219 switch(ccb->ccb_h.func_code) {
220
221 /*
222 * Perform SCSI I/O to a physical device.
223 */
224 case XPT_SCSI_IO:
225 {
226 struct ccb_hdr *ccbh = &ccb->ccb_h;
227 struct ccb_scsiio *csio = &ccb->csio;
228
229 /* Validate the CCB */
230 ccbh->status = CAM_REQ_INPROG;
231
232 /* check the CDB length */
233 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN)
234 ccbh->status = CAM_REQ_CMP_ERR;
235
236 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && (sc->support_ext_cdb == 0 ))
237 ccbh->status = CAM_REQ_CMP_ERR;
238
239 /* check that the CDB pointer is not to a physical address */
240 if ((ccbh->flags & CAM_CDB_POINTER) && (ccbh->flags & CAM_CDB_PHYS))
241 ccbh->status = CAM_REQ_CMP_ERR;
242
243 /* if there is data transfer, it must be to/from a virtual address */
244 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
245 if (ccbh->flags & CAM_DATA_PHYS) /* we can't map it */
246 ccbh->status = CAM_REQ_CMP_ERR;
247 if (ccbh->flags & CAM_SCATTER_VALID) /* we want to do the s/g setup */
248 ccbh->status = CAM_REQ_CMP_ERR;
249 }
250
251 /*
252 * If the command is to a LUN other than 0, fail it.
253 * This is probably incorrect, but during testing the firmware did not
254 * seem to respect the LUN field, and thus devices appear echoed.
255 */
256 if (csio->ccb_h.target_lun != 0)
257 ccbh->status = CAM_REQ_CMP_ERR;
258
259 /* if we're happy with the request, queue it for attention */
260 if (ccbh->status == CAM_REQ_INPROG) {
261
262 /* save the channel number in the ccb */
263 csio->ccb_h.sim_priv.entries[0].field = cam_sim_bus(sim);
264
265 mtx_lock(&sc->amr_io_lock);
266 amr_enqueue_ccb(sc, ccb);
267 amr_startio(sc);
268 mtx_unlock(&sc->amr_io_lock);
269 return;
270 }
271 break;
272 }
273
274 case XPT_CALC_GEOMETRY:
275 {
276 cam_calc_geometry(&ccb->ccg, /*extended*/1);
277 break;
278 }
279
280 /*
281 * Return path stats. Some of these should probably be
282 * amended.
283 */
284 case XPT_PATH_INQ:
285 {
286 struct ccb_pathinq *cpi = & ccb->cpi;
287
288 debug(3, "XPT_PATH_INQ");
289 cpi->version_num = 1; /* XXX??? */
290 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
291 cpi->target_sprt = 0;
292 cpi->hba_misc = PIM_NOBUSRESET;
293 cpi->hba_eng_cnt = 0;
294 cpi->max_target = AMR_MAX_TARGETS;
295 cpi->max_lun = 0 /* AMR_MAX_LUNS*/;
296 cpi->initiator_id = 7; /* XXX variable? */
297 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
298 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
299 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
300 cpi->unit_number = cam_sim_unit(sim);
301 cpi->bus_id = cam_sim_bus(sim);
302 cpi->base_transfer_speed = 132 * 1024; /* XXX get from controller? */
303 cpi->ccb_h.status = CAM_REQ_CMP;
304
305 break;
306 }
307
308 case XPT_RESET_BUS:
309 {
310 struct ccb_pathinq *cpi = & ccb->cpi;
311
312 debug(1, "XPT_RESET_BUS");
313 cpi->ccb_h.status = CAM_REQ_CMP;
314 break;
315 }
316
317 case XPT_RESET_DEV:
318 {
319 debug(1, "XPT_RESET_DEV");
320 ccb->ccb_h.status = CAM_REQ_CMP;
321 break;
322 }
323
324 case XPT_GET_TRAN_SETTINGS:
325 {
326 struct ccb_trans_settings *cts;
327
328 debug(3, "XPT_GET_TRAN_SETTINGS");
329
330 cts = &(ccb->cts);
331
332 if ((cts->flags & CCB_TRANS_USER_SETTINGS) == 0) {
333 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
334 break;
335 }
336
337 cts->flags = CCB_TRANS_DISC_ENB|CCB_TRANS_TAG_ENB;
338 cts->bus_width = MSG_EXT_WDTR_BUS_32_BIT;
339 cts->sync_period = 6; /* 40MHz how wide is this bus? */
340 cts->sync_offset = 31; /* How to extract this from board? */
341
342 cts->valid = CCB_TRANS_SYNC_RATE_VALID
343 | CCB_TRANS_SYNC_OFFSET_VALID
344 | CCB_TRANS_BUS_WIDTH_VALID
345 | CCB_TRANS_DISC_VALID
346 | CCB_TRANS_TQ_VALID;
347 ccb->ccb_h.status = CAM_REQ_CMP;
348 break;
349 }
350
351 case XPT_SET_TRAN_SETTINGS:
352 debug(3, "XPT_SET_TRAN_SETTINGS");
353 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
354 break;
355
356
357 /*
358 * Reject anything else as unsupported.
359 */
360 default:
361 /* we can't do this */
362 ccb->ccb_h.status = CAM_REQ_INVALID;
363 break;
364 }
365 xpt_done(ccb);
366 }
367
368 /********************************************************************************
369 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI command.
370 */
371 int
372 amr_cam_command(struct amr_softc *sc, struct amr_command **acp)
373 {
374 struct amr_command *ac;
375 struct amr_passthrough *ap;
376 struct amr_ext_passthrough *aep;
377 struct ccb_scsiio *csio;
378 int bus, target, error;
379
380 error = 0;
381 ac = NULL;
382 ap = NULL;
383 aep = NULL;
384
385 /* check to see if there is a ccb for us to work with */
386 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL)
387 goto out;
388
389 /* get bus/target, XXX validate against protected devices? */
390 bus = csio->ccb_h.sim_priv.entries[0].field;
391 target = csio->ccb_h.target_id;
392
393 /*
394 * Build a passthrough command.
395 */
396
397 /* construct passthrough */
398 if (sc->support_ext_cdb ) {
399 if ((aep = malloc(sizeof(*aep), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
400 error = ENOMEM;
401 goto out;
402 }
403 aep->ap_timeout = 2;
404 aep->ap_ars = 1;
405 aep->ap_request_sense_length = 14;
406 aep->ap_islogical = 0;
407 aep->ap_channel = bus;
408 aep->ap_scsi_id = target;
409 aep->ap_logical_drive_no = csio->ccb_h.target_lun;
410 aep->ap_cdb_length = csio->cdb_len;
411 aep->ap_data_transfer_length = csio->dxfer_len;
412 if (csio->ccb_h.flags & CAM_CDB_POINTER) {
413 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len);
414 } else {
415 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, csio->cdb_len);
416 }
417 /* we leave the data s/g list and s/g count to the map routine later */
418
419 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], aep->ap_cdb_length, csio->dxfer_len,
420 aep->ap_channel, aep->ap_scsi_id, aep->ap_logical_drive_no);
421
422 } else {
423 if ((ap = malloc(sizeof(*ap), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
424 error = ENOMEM;
425 goto out;
426 }
427 ap->ap_timeout = 0;
428 ap->ap_ars = 1;
429 ap->ap_request_sense_length = 14;
430 ap->ap_islogical = 0;
431 ap->ap_channel = bus;
432 ap->ap_scsi_id = target;
433 ap->ap_logical_drive_no = csio->ccb_h.target_lun;
434 ap->ap_cdb_length = csio->cdb_len;
435 ap->ap_data_transfer_length = csio->dxfer_len;
436 if (csio->ccb_h.flags & CAM_CDB_POINTER) {
437 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len);
438 } else {
439 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, csio->cdb_len);
440 }
441 /* we leave the data s/g list and s/g count to the map routine later */
442
443 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], ap->ap_cdb_length, csio->dxfer_len,
444 ap->ap_channel, ap->ap_scsi_id, ap->ap_logical_drive_no);
445 }
446
447 /* construct command */
448 if ((ac = amr_alloccmd(sc)) == NULL) {
449 error = ENOMEM;
450 goto out;
451 }
452
453 ac->ac_flags |= AMR_CMD_DATAOUT | AMR_CMD_DATAIN;
454
455 ac->ac_ccb_data = csio->data_ptr;
456 ac->ac_ccb_length = csio->dxfer_len;
457 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
458 ac->ac_flags |= AMR_CMD_CCB_DATAIN;
459 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
460 ac->ac_flags |= AMR_CMD_CCB_DATAOUT;
461
462 ac->ac_private = csio;
463 if ( sc->support_ext_cdb ) {
464 ac->ac_data = aep;
465 ac->ac_length = sizeof(*aep);
466 ac->ac_complete = amr_cam_complete_extcdb;
467 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS;
468 } else {
469 ac->ac_data = ap;
470 ac->ac_length = sizeof(*ap);
471 ac->ac_complete = amr_cam_complete;
472 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
473 }
474
475 out:
476 if (error != 0) {
477 if (ac != NULL)
478 amr_releasecmd(ac);
479 if (ap != NULL)
480 free(ap, M_DEVBUF);
481 if (aep != NULL)
482 free(aep, M_DEVBUF);
483 if (csio != NULL) /* put it back and try again later */
484 amr_requeue_ccb(sc, (union ccb *)csio);
485 }
486 *acp = ac;
487 return(error);
488 }
489
490 /********************************************************************************
491 * Check for interrupt status
492 */
493 static void
494 amr_cam_poll(struct cam_sim *sim)
495 {
496 struct amr_softc *sc = cam_sim_softc(sim);
497
498 mtx_lock(&sc->amr_io_lock);
499 amr_done(cam_sim_softc(sim));
500 mtx_unlock(&sc->amr_io_lock);
501 }
502
503 /********************************************************************************
504 * Handle completion of a command submitted via CAM.
505 */
506 static void
507 amr_cam_complete(struct amr_command *ac)
508 {
509 struct amr_passthrough *ap = (struct amr_passthrough *)ac->ac_data;
510 struct ccb_scsiio *csio = (struct ccb_scsiio *)ac->ac_private;
511 struct scsi_inquiry_data *inq = (struct scsi_inquiry_data *)csio->data_ptr;
512
513 /* XXX note that we're ignoring ac->ac_status - good idea? */
514
515 debug(1, "status 0x%x AP scsi_status 0x%x", ac->ac_status, ap->ap_scsi_status);
516
517 /*
518 * Hide disks from CAM so that they're not picked up and treated as 'normal' disks.
519 *
520 * If the configuration provides a mechanism to mark a disk a "not managed", we
521 * could add handling for that to allow disks to be selectively visible.
522 */
523
524 if ((ap->ap_cdb[0] == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) {
525 bzero(csio->data_ptr, csio->dxfer_len);
526 if (ap->ap_scsi_status == 0xf0) {
527 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR;
528 } else {
529 csio->ccb_h.status = CAM_DEV_NOT_THERE;
530 }
531 } else {
532
533 /* handle passthrough SCSI status */
534 switch(ap->ap_scsi_status) {
535 case 0: /* completed OK */
536 csio->ccb_h.status = CAM_REQ_CMP;
537 break;
538
539 case 0x02:
540 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR;
541 csio->scsi_status = SCSI_STATUS_CHECK_COND;
542 bcopy(ap->ap_request_sense_area, &csio->sense_data, AMR_MAX_REQ_SENSE_LEN);
543 csio->sense_len = AMR_MAX_REQ_SENSE_LEN;
544 csio->ccb_h.status |= CAM_AUTOSNS_VALID;
545 break;
546
547 case 0x08:
548 csio->ccb_h.status = CAM_SCSI_BUSY;
549 break;
550
551 case 0xf0:
552 case 0xf4:
553 default:
554 csio->ccb_h.status = CAM_REQ_CMP_ERR;
555 break;
556 }
557 }
558 free(ap, M_DEVBUF);
559 if ((csio->ccb_h.flags & CAM_DIR_MASK) != CAM_DIR_NONE)
560 debug(2, "%*D\n", imin(csio->dxfer_len, 16), csio->data_ptr, " ");
561 xpt_done((union ccb *)csio);
562 amr_releasecmd(ac);
563 }
564
565 /********************************************************************************
566 * Handle completion of a command submitted via CAM.
567 * Completion for extended cdb
568 */
569 static void
570 amr_cam_complete_extcdb(struct amr_command *ac)
571 {
572 struct amr_ext_passthrough *aep = (struct amr_ext_passthrough *)ac->ac_data;
573 struct ccb_scsiio *csio = (struct ccb_scsiio *)ac->ac_private;
574 struct scsi_inquiry_data *inq = (struct scsi_inquiry_data *)csio->data_ptr;
575
576 /* XXX note that we're ignoring ac->ac_status - good idea? */
577
578 debug(1, "status 0x%x AEP scsi_status 0x%x", ac->ac_status, aep->ap_scsi_status);
579
580 /*
581 * Hide disks from CAM so that they're not picked up and treated as 'normal' disks.
582 *
583 * If the configuration provides a mechanism to mark a disk a "not managed", we
584 * could add handling for that to allow disks to be selectively visible.
585 */
586
587 if ((aep->ap_cdb[0] == INQUIRY) && (SID_TYPE(inq) == T_DIRECT)) {
588 bzero(csio->data_ptr, csio->dxfer_len);
589 if (aep->ap_scsi_status == 0xf0) {
590 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR;
591 } else {
592 csio->ccb_h.status = CAM_DEV_NOT_THERE;
593 }
594 } else {
595
596 /* handle passthrough SCSI status */
597 switch(aep->ap_scsi_status) {
598 case 0: /* completed OK */
599 csio->ccb_h.status = CAM_REQ_CMP;
600 break;
601
602 case 0x02:
603 csio->ccb_h.status = CAM_SCSI_STATUS_ERROR;
604 csio->scsi_status = SCSI_STATUS_CHECK_COND;
605 bcopy(aep->ap_request_sense_area, &csio->sense_data, AMR_MAX_REQ_SENSE_LEN);
606 csio->sense_len = AMR_MAX_REQ_SENSE_LEN;
607 csio->ccb_h.status |= CAM_AUTOSNS_VALID;
608 break;
609
610 case 0x08:
611 csio->ccb_h.status = CAM_SCSI_BUSY;
612 break;
613
614 case 0xf0:
615 case 0xf4:
616 default:
617 csio->ccb_h.status = CAM_REQ_CMP_ERR;
618 break;
619 }
620 }
621 free(aep, M_DEVBUF);
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 xpt_done((union ccb *)csio);
625 amr_releasecmd(ac);
626 }
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