Deleted Added
full compact
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: head/sys/dev/amr/amr_cam.c 163896 2006-11-02 00:54:38Z mjacob $");
58__FBSDID("$FreeBSD: head/sys/dev/amr/amr_cam.c 168752 2007-04-15 08:49:19Z 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 <sys/bio.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
85static void amr_cam_action(struct cam_sim *sim, union ccb *ccb);
86static void amr_cam_poll(struct cam_sim *sim);
87static void amr_cam_complete(struct amr_command *ac);
88static void amr_cam_complete_extcdb(struct amr_command *ac);
89
90
91/********************************************************************************
92 * Enqueue/dequeue functions
93 */
94static __inline void
95amr_enqueue_ccb(struct amr_softc *sc, union ccb *ccb)
96{
97
98 TAILQ_INSERT_TAIL(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe);
99}
100
101static __inline void
102amr_requeue_ccb(struct amr_softc *sc, union ccb *ccb)
103{
104
105 TAILQ_INSERT_HEAD(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe);
106}
107
108static __inline union ccb *
109amr_dequeue_ccb(struct amr_softc *sc)
110{
111 union ccb *ccb;
112
113 if ((ccb = (union ccb *)TAILQ_FIRST(&sc->amr_cam_ccbq)) != NULL)
114 TAILQ_REMOVE(&sc->amr_cam_ccbq, &ccb->ccb_h, sim_links.tqe);
115 return(ccb);
116}
117
118/********************************************************************************
119 * Attach our 'real' SCSI channels to CAM
120 */
121int
122amr_cam_attach(struct amr_softc *sc)
123{
124 struct cam_devq *devq;
125 int chn;
126
127 /* initialise the ccb queue */
128 TAILQ_INIT(&sc->amr_cam_ccbq);
129
130 /*
131 * Allocate a devq for all our channels combined. This should
132 * allow for the maximum number of SCSI commands we will accept
133 * at one time. Save the pointer in the softc so we can find it later
134 * during detach.
135 */
136 if ((devq = cam_simq_alloc(AMR_MAX_SCSI_CMDS)) == NULL)
137 return(ENOMEM);
138 sc->amr_cam_devq = devq;
139
140 /*
141 * Iterate over our channels, registering them with CAM
142 */
143 for (chn = 0; chn < sc->amr_maxchan; chn++) {
144
145 /* allocate a sim */
146 if ((sc->amr_cam_sim[chn] = cam_sim_alloc(amr_cam_action,
147 amr_cam_poll,
148 "amr",
149 sc,
150 device_get_unit(sc->amr_dev),
151 &Giant,
152 1,
153 AMR_MAX_SCSI_CMDS,
154 devq)) == NULL) {
155 cam_simq_free(devq);
156 device_printf(sc->amr_dev, "CAM SIM attach failed\n");
157 return(ENOMEM);
158 }
159
160 /* register the bus ID so we can get it later */
161 if (xpt_bus_register(sc->amr_cam_sim[chn], chn)) {
162 device_printf(sc->amr_dev, "CAM XPT bus registration failed\n");
163 return(ENXIO);
164 }
165 }
166 /*
167 * XXX we should scan the config and work out which devices are actually
168 * protected.
169 */
170 return(0);
171}
172
173/********************************************************************************
174 * Disconnect ourselves from CAM
175 */
176void
177amr_cam_detach(struct amr_softc *sc)
178{
179 int chn;
180
181 for (chn = 0; chn < sc->amr_maxchan; chn++) {
182
183 /*
184 * If a sim was allocated for this channel, free it
185 */
186 if (sc->amr_cam_sim[chn] != NULL) {
187 xpt_bus_deregister(cam_sim_path(sc->amr_cam_sim[chn]));
188 cam_sim_free(sc->amr_cam_sim[chn], FALSE);
189 }
190 }
191
192 /* Now free the devq */
193 if (sc->amr_cam_devq != NULL)
194 cam_simq_free(sc->amr_cam_devq);
195}
196
197/********************************************************************************
198 ********************************************************************************
199 CAM passthrough interface
200 ********************************************************************************
201 ********************************************************************************/
202
203/********************************************************************************
204 * Handle a request for action from CAM
205 */
206static void
207amr_cam_action(struct cam_sim *sim, union ccb *ccb)
208{
209 struct amr_softc *sc = cam_sim_softc(sim);
210
211 switch(ccb->ccb_h.func_code) {
212
213 /*
214 * Perform SCSI I/O to a physical device.
215 */
216 case XPT_SCSI_IO:
217 {
218 struct ccb_hdr *ccbh = &ccb->ccb_h;
219 struct ccb_scsiio *csio = &ccb->csio;
220
221 /* Validate the CCB */
222 ccbh->status = CAM_REQ_INPROG;
223
224 /* check the CDB length */
225 if (csio->cdb_len > AMR_MAX_EXTCDB_LEN)
226 ccbh->status = CAM_REQ_CMP_ERR;
227
228 if ((csio->cdb_len > AMR_MAX_CDB_LEN) && (sc->support_ext_cdb == 0 ))
229 ccbh->status = CAM_REQ_CMP_ERR;
230
231 /* check that the CDB pointer is not to a physical address */
232 if ((ccbh->flags & CAM_CDB_POINTER) && (ccbh->flags & CAM_CDB_PHYS))
233 ccbh->status = CAM_REQ_CMP_ERR;
234
235 /* if there is data transfer, it must be to/from a virtual address */
236 if ((ccbh->flags & CAM_DIR_MASK) != CAM_DIR_NONE) {
237 if (ccbh->flags & CAM_DATA_PHYS) /* we can't map it */
238 ccbh->status = CAM_REQ_CMP_ERR;
239 if (ccbh->flags & CAM_SCATTER_VALID) /* we want to do the s/g setup */
240 ccbh->status = CAM_REQ_CMP_ERR;
241 }
242
243 /*
244 * If the command is to a LUN other than 0, fail it.
245 * This is probably incorrect, but during testing the firmware did not
246 * seem to respect the LUN field, and thus devices appear echoed.
247 */
248 if (csio->ccb_h.target_lun != 0)
249 ccbh->status = CAM_REQ_CMP_ERR;
250
251 /* if we're happy with the request, queue it for attention */
252 if (ccbh->status == CAM_REQ_INPROG) {
253
254 /* save the channel number in the ccb */
255 csio->ccb_h.sim_priv.entries[0].field = cam_sim_bus(sim);
256
257 mtx_lock(&sc->amr_list_lock);
258 amr_enqueue_ccb(sc, ccb);
259 amr_startio(sc);
260 mtx_unlock(&sc->amr_list_lock);
261 return;
262 }
263 break;
264 }
265
266 case XPT_CALC_GEOMETRY:
267 {
268 cam_calc_geometry(&ccb->ccg, /*extended*/1);
269 break;
270 }
271
272 /*
273 * Return path stats. Some of these should probably be
274 * amended.
275 */
276 case XPT_PATH_INQ:
277 {
278 struct ccb_pathinq *cpi = & ccb->cpi;
279
280 debug(3, "XPT_PATH_INQ");
281 cpi->version_num = 1; /* XXX??? */
282 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
283 cpi->target_sprt = 0;
284 cpi->hba_misc = PIM_NOBUSRESET;
285 cpi->hba_eng_cnt = 0;
286 cpi->max_target = AMR_MAX_TARGETS;
287 cpi->max_lun = 0 /* AMR_MAX_LUNS*/;
288 cpi->initiator_id = 7; /* XXX variable? */
289 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
290 strncpy(cpi->hba_vid, "LSI", HBA_IDLEN);
291 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
292 cpi->unit_number = cam_sim_unit(sim);
293 cpi->bus_id = cam_sim_bus(sim);
294 cpi->base_transfer_speed = 132 * 1024; /* XXX get from controller? */
295 cpi->transport = XPORT_SPI;
296 cpi->transport_version = 2;
297 cpi->protocol = PROTO_SCSI;
298 cpi->protocol_version = SCSI_REV_2;
299 cpi->ccb_h.status = CAM_REQ_CMP;
300
301 break;
302 }
303
304 case XPT_RESET_BUS:
305 {
306 struct ccb_pathinq *cpi = & ccb->cpi;
307
308 debug(1, "XPT_RESET_BUS");
309 cpi->ccb_h.status = CAM_REQ_CMP;
310 break;
311 }
312
313 case XPT_RESET_DEV:
314 {
315 debug(1, "XPT_RESET_DEV");
316 ccb->ccb_h.status = CAM_REQ_CMP;
317 break;
318 }
319
320 case XPT_GET_TRAN_SETTINGS:
321 {
322 struct ccb_trans_settings *cts = &(ccb->cts);
323
324 debug(3, "XPT_GET_TRAN_SETTINGS");
325
326 struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
327 struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
328
329 cts->protocol = PROTO_SCSI;
330 cts->protocol_version = SCSI_REV_2;
331 cts->transport = XPORT_SPI;
332 cts->transport_version = 2;
333
334 if (cts->type == CTS_TYPE_USER_SETTINGS) {
335 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
336 break;
337 }
338
339 spi->flags = CTS_SPI_FLAGS_DISC_ENB;
340 spi->bus_width = MSG_EXT_WDTR_BUS_32_BIT;
341 spi->sync_period = 6; /* 40MHz how wide is this bus? */
342 spi->sync_offset = 31; /* How to extract this from board? */
343
344 spi->valid = CTS_SPI_VALID_SYNC_RATE
345 | CTS_SPI_VALID_SYNC_OFFSET
346 | CTS_SPI_VALID_BUS_WIDTH
347 | CTS_SPI_VALID_DISC;
348 scsi->valid = CTS_SCSI_VALID_TQ;
349 ccb->ccb_h.status = CAM_REQ_CMP;
350 break;
351 }
352
353 case XPT_SET_TRAN_SETTINGS:
354 debug(3, "XPT_SET_TRAN_SETTINGS");
355 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
356 break;
357
358
359 /*
360 * Reject anything else as unsupported.
361 */
362 default:
363 /* we can't do this */
364 ccb->ccb_h.status = CAM_REQ_INVALID;
365 break;
366 }
367 xpt_done(ccb);
368}
369
370/********************************************************************************
371 * Convert a CAM CCB off the top of the CCB queue to a passthrough SCSI command.
372 */
373int
374amr_cam_command(struct amr_softc *sc, struct amr_command **acp)
375{
376 struct amr_command *ac;
377 struct amr_passthrough *ap;
378 struct amr_ext_passthrough *aep;
379 struct ccb_scsiio *csio;
380 int bus, target, error;
381
382 error = 0;
383 ac = NULL;
384 ap = NULL;
385 aep = NULL;
386
387 /* check to see if there is a ccb for us to work with */
388 if ((csio = (struct ccb_scsiio *)amr_dequeue_ccb(sc)) == NULL)
389 goto out;
390
391 /* get bus/target, XXX validate against protected devices? */
392 bus = csio->ccb_h.sim_priv.entries[0].field;
393 target = csio->ccb_h.target_id;
394
395 /*
396 * Build a passthrough command.
397 */
398
399 /* construct passthrough */
400 if (sc->support_ext_cdb ) {
401 if ((aep = malloc(sizeof(*aep), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
402 error = ENOMEM;
403 goto out;
404 }
405 aep->ap_timeout = 2;
406 aep->ap_ars = 1;
407 aep->ap_request_sense_length = 14;
408 aep->ap_islogical = 0;
409 aep->ap_channel = bus;
410 aep->ap_scsi_id = target;
411 aep->ap_logical_drive_no = csio->ccb_h.target_lun;
412 aep->ap_cdb_length = csio->cdb_len;
413 aep->ap_data_transfer_length = csio->dxfer_len;
414 if (csio->ccb_h.flags & CAM_CDB_POINTER) {
415 bcopy(csio->cdb_io.cdb_ptr, aep->ap_cdb, csio->cdb_len);
416 } else {
417 bcopy(csio->cdb_io.cdb_bytes, aep->ap_cdb, csio->cdb_len);
418 }
419 /* we leave the data s/g list and s/g count to the map routine later */
420
421 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", aep->ap_cdb[0], aep->ap_cdb_length, csio->dxfer_len,
422 aep->ap_channel, aep->ap_scsi_id, aep->ap_logical_drive_no);
423
424 } else {
425 if ((ap = malloc(sizeof(*ap), M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) {
426 error = ENOMEM;
427 goto out;
428 }
429 ap->ap_timeout = 0;
430 ap->ap_ars = 1;
431 ap->ap_request_sense_length = 14;
432 ap->ap_islogical = 0;
433 ap->ap_channel = bus;
434 ap->ap_scsi_id = target;
435 ap->ap_logical_drive_no = csio->ccb_h.target_lun;
436 ap->ap_cdb_length = csio->cdb_len;
437 ap->ap_data_transfer_length = csio->dxfer_len;
438 if (csio->ccb_h.flags & CAM_CDB_POINTER) {
439 bcopy(csio->cdb_io.cdb_ptr, ap->ap_cdb, csio->cdb_len);
440 } else {
441 bcopy(csio->cdb_io.cdb_bytes, ap->ap_cdb, csio->cdb_len);
442 }
443 /* we leave the data s/g list and s/g count to the map routine later */
444
445 debug(2, " COMMAND %x/%d+%d to %d:%d:%d", ap->ap_cdb[0], ap->ap_cdb_length, csio->dxfer_len,
446 ap->ap_channel, ap->ap_scsi_id, ap->ap_logical_drive_no);
447 }
448
449 /* construct command */
450 if ((ac = amr_alloccmd(sc)) == NULL) {
451 error = ENOMEM;
452 goto out;
453 }
454
455 ac->ac_flags |= AMR_CMD_DATAOUT | AMR_CMD_DATAIN;
456
457 ac->ac_ccb_data = csio->data_ptr;
458 ac->ac_ccb_length = csio->dxfer_len;
459 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_IN)
460 ac->ac_flags |= AMR_CMD_CCB_DATAIN;
461 if ((csio->ccb_h.flags & CAM_DIR_MASK) == CAM_DIR_OUT)
462 ac->ac_flags |= AMR_CMD_CCB_DATAOUT;
463
464 ac->ac_private = csio;
465 if ( sc->support_ext_cdb ) {
466 ac->ac_data = aep;
467 ac->ac_length = sizeof(*aep);
468 ac->ac_complete = amr_cam_complete_extcdb;
469 ac->ac_mailbox.mb_command = AMR_CMD_EXTPASS;
470 if (AMR_IS_SG64(sc))
471 ac->ac_flags |= AMR_CMD_SG64;
472 } else {
473 ac->ac_data = ap;
474 ac->ac_length = sizeof(*ap);
475 ac->ac_complete = amr_cam_complete;
476 if (AMR_IS_SG64(sc)) {
477 ac->ac_mailbox.mb_command = AMR_CMD_PASS_64;
478 ac->ac_flags |= AMR_CMD_SG64;
479 } else
480 ac->ac_mailbox.mb_command = AMR_CMD_PASS;
481 }
482
483out:
484 if (error != 0) {
485 if (ac != NULL)
486 amr_releasecmd(ac);
487 if (ap != NULL)
488 free(ap, M_DEVBUF);
489 if (aep != NULL)
490 free(aep, M_DEVBUF);
491 if (csio != NULL) /* put it back and try again later */
492 amr_requeue_ccb(sc, (union ccb *)csio);
493 }
494 *acp = ac;
495 return(error);
496}
497
498/********************************************************************************
499 * Check for interrupt status
500 */
501static void
502amr_cam_poll(struct cam_sim *sim)
503{
504
505 amr_done(cam_sim_softc(sim));
506}
507
508 /********************************************************************************
509 * Handle completion of a command submitted via CAM.
510 */
511static void
512amr_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 AP 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 */
574static void
575amr_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 AEP 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}