FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_ch.c
1 /*-
2 * Copyright (c) 1997 Justin T. Gibbs.
3 * Copyright (c) 1997, 1998, 1999 Kenneth D. Merry.
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 * without modification, immediately at the beginning of the file.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
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 FOR
19 * 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 /*
29 * Derived from the NetBSD SCSI changer driver.
30 *
31 * $NetBSD: ch.c,v 1.32 1998/01/12 09:49:12 thorpej Exp $
32 *
33 */
34 /*-
35 * Copyright (c) 1996, 1997 Jason R. Thorpe <thorpej@and.com>
36 * All rights reserved.
37 *
38 * Partially based on an autochanger driver written by Stefan Grefen
39 * and on an autochanger driver written by the Systems Programming Group
40 * at the University of Utah Computer Science Department.
41 *
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
44 * are met:
45 * 1. Redistributions of source code must retain the above copyright
46 * notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 * notice, this list of conditions and the following disclaimer in the
49 * documentation and/or other materials provided with the distribution.
50 * 3. All advertising materials mentioning features or use of this software
51 * must display the following acknowledgements:
52 * This product includes software developed by Jason R. Thorpe
53 * for And Communications, http://www.and.com/
54 * 4. The name of the author may not be used to endorse or promote products
55 * derived from this software without specific prior written permission.
56 *
57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
62 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
63 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
64 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
65 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
66 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
67 * SUCH DAMAGE.
68 */
69
70 #include <sys/cdefs.h>
71 __FBSDID("$FreeBSD: releng/10.0/sys/cam/scsi/scsi_ch.c 257049 2013-10-24 10:33:31Z mav $");
72
73 #include <sys/param.h>
74 #include <sys/queue.h>
75 #include <sys/systm.h>
76 #include <sys/kernel.h>
77 #include <sys/types.h>
78 #include <sys/malloc.h>
79 #include <sys/fcntl.h>
80 #include <sys/conf.h>
81 #include <sys/chio.h>
82 #include <sys/errno.h>
83 #include <sys/devicestat.h>
84
85 #include <cam/cam.h>
86 #include <cam/cam_ccb.h>
87 #include <cam/cam_periph.h>
88 #include <cam/cam_xpt_periph.h>
89 #include <cam/cam_debug.h>
90
91 #include <cam/scsi/scsi_all.h>
92 #include <cam/scsi/scsi_message.h>
93 #include <cam/scsi/scsi_ch.h>
94
95 /*
96 * Timeout definitions for various changer related commands. They may
97 * be too short for some devices (especially the timeout for INITIALIZE
98 * ELEMENT STATUS).
99 */
100
101 static const u_int32_t CH_TIMEOUT_MODE_SENSE = 6000;
102 static const u_int32_t CH_TIMEOUT_MOVE_MEDIUM = 15 * 60 * 1000;
103 static const u_int32_t CH_TIMEOUT_EXCHANGE_MEDIUM = 15 * 60 * 1000;
104 static const u_int32_t CH_TIMEOUT_POSITION_TO_ELEMENT = 15 * 60 * 1000;
105 static const u_int32_t CH_TIMEOUT_READ_ELEMENT_STATUS = 5 * 60 * 1000;
106 static const u_int32_t CH_TIMEOUT_SEND_VOLTAG = 10000;
107 static const u_int32_t CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS = 500000;
108
109 typedef enum {
110 CH_FLAG_INVALID = 0x001
111 } ch_flags;
112
113 typedef enum {
114 CH_STATE_PROBE,
115 CH_STATE_NORMAL
116 } ch_state;
117
118 typedef enum {
119 CH_CCB_PROBE,
120 CH_CCB_WAITING
121 } ch_ccb_types;
122
123 typedef enum {
124 CH_Q_NONE = 0x00,
125 CH_Q_NO_DBD = 0x01,
126 CH_Q_NO_DVCID = 0x02
127 } ch_quirks;
128
129 #define CH_Q_BIT_STRING \
130 "\020" \
131 "\001NO_DBD" \
132 "\002NO_DVCID"
133
134 #define ccb_state ppriv_field0
135 #define ccb_bp ppriv_ptr1
136
137 struct scsi_mode_sense_data {
138 struct scsi_mode_header_6 header;
139 struct scsi_mode_blk_desc blk_desc;
140 union {
141 struct page_element_address_assignment ea;
142 struct page_transport_geometry_parameters tg;
143 struct page_device_capabilities cap;
144 } pages;
145 };
146
147 struct ch_softc {
148 ch_flags flags;
149 ch_state state;
150 ch_quirks quirks;
151 union ccb saved_ccb;
152 struct devstat *device_stats;
153 struct cdev *dev;
154 int open_count;
155
156 int sc_picker; /* current picker */
157
158 /*
159 * The following information is obtained from the
160 * element address assignment page.
161 */
162 int sc_firsts[CHET_MAX + 1]; /* firsts */
163 int sc_counts[CHET_MAX + 1]; /* counts */
164
165 /*
166 * The following mask defines the legal combinations
167 * of elements for the MOVE MEDIUM command.
168 */
169 u_int8_t sc_movemask[CHET_MAX + 1];
170
171 /*
172 * As above, but for EXCHANGE MEDIUM.
173 */
174 u_int8_t sc_exchangemask[CHET_MAX + 1];
175
176 /*
177 * Quirks; see below. XXX KDM not implemented yet
178 */
179 int sc_settledelay; /* delay for settle */
180 };
181
182 static d_open_t chopen;
183 static d_close_t chclose;
184 static d_ioctl_t chioctl;
185 static periph_init_t chinit;
186 static periph_ctor_t chregister;
187 static periph_oninv_t choninvalidate;
188 static periph_dtor_t chcleanup;
189 static periph_start_t chstart;
190 static void chasync(void *callback_arg, u_int32_t code,
191 struct cam_path *path, void *arg);
192 static void chdone(struct cam_periph *periph,
193 union ccb *done_ccb);
194 static int cherror(union ccb *ccb, u_int32_t cam_flags,
195 u_int32_t sense_flags);
196 static int chmove(struct cam_periph *periph,
197 struct changer_move *cm);
198 static int chexchange(struct cam_periph *periph,
199 struct changer_exchange *ce);
200 static int chposition(struct cam_periph *periph,
201 struct changer_position *cp);
202 static int chgetelemstatus(struct cam_periph *periph,
203 int scsi_version, u_long cmd,
204 struct changer_element_status_request *csr);
205 static int chsetvoltag(struct cam_periph *periph,
206 struct changer_set_voltag_request *csvr);
207 static int chielem(struct cam_periph *periph,
208 unsigned int timeout);
209 static int chgetparams(struct cam_periph *periph);
210 static int chscsiversion(struct cam_periph *periph);
211
212 static struct periph_driver chdriver =
213 {
214 chinit, "ch",
215 TAILQ_HEAD_INITIALIZER(chdriver.units), /* generation */ 0
216 };
217
218 PERIPHDRIVER_DECLARE(ch, chdriver);
219
220 static struct cdevsw ch_cdevsw = {
221 .d_version = D_VERSION,
222 .d_flags = D_TRACKCLOSE,
223 .d_open = chopen,
224 .d_close = chclose,
225 .d_ioctl = chioctl,
226 .d_name = "ch",
227 };
228
229 static MALLOC_DEFINE(M_SCSICH, "scsi_ch", "scsi_ch buffers");
230
231 static void
232 chinit(void)
233 {
234 cam_status status;
235
236 /*
237 * Install a global async callback. This callback will
238 * receive async callbacks like "new device found".
239 */
240 status = xpt_register_async(AC_FOUND_DEVICE, chasync, NULL, NULL);
241
242 if (status != CAM_REQ_CMP) {
243 printf("ch: Failed to attach master async callback "
244 "due to status 0x%x!\n", status);
245 }
246 }
247
248 static void
249 chdevgonecb(void *arg)
250 {
251 struct cam_sim *sim;
252 struct ch_softc *softc;
253 struct cam_periph *periph;
254 int i;
255
256 periph = (struct cam_periph *)arg;
257 sim = periph->sim;
258 softc = (struct ch_softc *)periph->softc;
259
260 KASSERT(softc->open_count >= 0, ("Negative open count %d",
261 softc->open_count));
262
263 mtx_lock(sim->mtx);
264
265 /*
266 * When we get this callback, we will get no more close calls from
267 * devfs. So if we have any dangling opens, we need to release the
268 * reference held for that particular context.
269 */
270 for (i = 0; i < softc->open_count; i++)
271 cam_periph_release_locked(periph);
272
273 softc->open_count = 0;
274
275 /*
276 * Release the reference held for the device node, it is gone now.
277 */
278 cam_periph_release_locked(periph);
279
280 /*
281 * We reference the SIM lock directly here, instead of using
282 * cam_periph_unlock(). The reason is that the final call to
283 * cam_periph_release_locked() above could result in the periph
284 * getting freed. If that is the case, dereferencing the periph
285 * with a cam_periph_unlock() call would cause a page fault.
286 */
287 mtx_unlock(sim->mtx);
288 }
289
290 static void
291 choninvalidate(struct cam_periph *periph)
292 {
293 struct ch_softc *softc;
294
295 softc = (struct ch_softc *)periph->softc;
296
297 /*
298 * De-register any async callbacks.
299 */
300 xpt_register_async(0, chasync, periph, periph->path);
301
302 softc->flags |= CH_FLAG_INVALID;
303
304 /*
305 * Tell devfs this device has gone away, and ask for a callback
306 * when it has cleaned up its state.
307 */
308 destroy_dev_sched_cb(softc->dev, chdevgonecb, periph);
309 }
310
311 static void
312 chcleanup(struct cam_periph *periph)
313 {
314 struct ch_softc *softc;
315
316 softc = (struct ch_softc *)periph->softc;
317
318 devstat_remove_entry(softc->device_stats);
319
320 free(softc, M_DEVBUF);
321 }
322
323 static void
324 chasync(void *callback_arg, u_int32_t code, struct cam_path *path, void *arg)
325 {
326 struct cam_periph *periph;
327
328 periph = (struct cam_periph *)callback_arg;
329
330 switch(code) {
331 case AC_FOUND_DEVICE:
332 {
333 struct ccb_getdev *cgd;
334 cam_status status;
335
336 cgd = (struct ccb_getdev *)arg;
337 if (cgd == NULL)
338 break;
339
340 if (cgd->protocol != PROTO_SCSI)
341 break;
342
343 if (SID_TYPE(&cgd->inq_data)!= T_CHANGER)
344 break;
345
346 /*
347 * Allocate a peripheral instance for
348 * this device and start the probe
349 * process.
350 */
351 status = cam_periph_alloc(chregister, choninvalidate,
352 chcleanup, chstart, "ch",
353 CAM_PERIPH_BIO, cgd->ccb_h.path,
354 chasync, AC_FOUND_DEVICE, cgd);
355
356 if (status != CAM_REQ_CMP
357 && status != CAM_REQ_INPROG)
358 printf("chasync: Unable to probe new device "
359 "due to status 0x%x\n", status);
360
361 break;
362
363 }
364 default:
365 cam_periph_async(periph, code, path, arg);
366 break;
367 }
368 }
369
370 static cam_status
371 chregister(struct cam_periph *periph, void *arg)
372 {
373 struct ch_softc *softc;
374 struct ccb_getdev *cgd;
375 struct ccb_pathinq cpi;
376
377 cgd = (struct ccb_getdev *)arg;
378 if (cgd == NULL) {
379 printf("chregister: no getdev CCB, can't register device\n");
380 return(CAM_REQ_CMP_ERR);
381 }
382
383 softc = (struct ch_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
384
385 if (softc == NULL) {
386 printf("chregister: Unable to probe new device. "
387 "Unable to allocate softc\n");
388 return(CAM_REQ_CMP_ERR);
389 }
390
391 bzero(softc, sizeof(*softc));
392 softc->state = CH_STATE_PROBE;
393 periph->softc = softc;
394 softc->quirks = CH_Q_NONE;
395
396 /*
397 * The DVCID and CURDATA bits were not introduced until the SMC
398 * spec. If this device claims SCSI-2 or earlier support, then it
399 * very likely does not support these bits.
400 */
401 if (cgd->inq_data.version <= SCSI_REV_2)
402 softc->quirks |= CH_Q_NO_DVCID;
403
404 bzero(&cpi, sizeof(cpi));
405 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
406 cpi.ccb_h.func_code = XPT_PATH_INQ;
407 xpt_action((union ccb *)&cpi);
408
409 /*
410 * Changers don't have a blocksize, and obviously don't support
411 * tagged queueing.
412 */
413 cam_periph_unlock(periph);
414 softc->device_stats = devstat_new_entry("ch",
415 periph->unit_number, 0,
416 DEVSTAT_NO_BLOCKSIZE | DEVSTAT_NO_ORDERED_TAGS,
417 SID_TYPE(&cgd->inq_data) |
418 XPORT_DEVSTAT_TYPE(cpi.transport),
419 DEVSTAT_PRIORITY_OTHER);
420
421 /*
422 * Acquire a reference to the periph before we create the devfs
423 * instance for it. We'll release this reference once the devfs
424 * instance has been freed.
425 */
426 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
427 xpt_print(periph->path, "%s: lost periph during "
428 "registration!\n", __func__);
429 cam_periph_lock(periph);
430 return (CAM_REQ_CMP_ERR);
431 }
432
433
434 /* Register the device */
435 softc->dev = make_dev(&ch_cdevsw, periph->unit_number, UID_ROOT,
436 GID_OPERATOR, 0600, "%s%d", periph->periph_name,
437 periph->unit_number);
438 cam_periph_lock(periph);
439 softc->dev->si_drv1 = periph;
440
441 /*
442 * Add an async callback so that we get
443 * notified if this device goes away.
444 */
445 xpt_register_async(AC_LOST_DEVICE, chasync, periph, periph->path);
446
447 /*
448 * Lock this periph until we are setup.
449 * This first call can't block
450 */
451 (void)cam_periph_hold(periph, PRIBIO);
452 xpt_schedule(periph, CAM_PRIORITY_DEV);
453
454 return(CAM_REQ_CMP);
455 }
456
457 static int
458 chopen(struct cdev *dev, int flags, int fmt, struct thread *td)
459 {
460 struct cam_periph *periph;
461 struct ch_softc *softc;
462 int error;
463
464 periph = (struct cam_periph *)dev->si_drv1;
465 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
466 return (ENXIO);
467
468 softc = (struct ch_softc *)periph->softc;
469
470 cam_periph_lock(periph);
471
472 if (softc->flags & CH_FLAG_INVALID) {
473 cam_periph_release_locked(periph);
474 cam_periph_unlock(periph);
475 return(ENXIO);
476 }
477
478 if ((error = cam_periph_hold(periph, PRIBIO | PCATCH)) != 0) {
479 cam_periph_unlock(periph);
480 cam_periph_release(periph);
481 return (error);
482 }
483
484 /*
485 * Load information about this changer device into the softc.
486 */
487 if ((error = chgetparams(periph)) != 0) {
488 cam_periph_unhold(periph);
489 cam_periph_release_locked(periph);
490 cam_periph_unlock(periph);
491 return(error);
492 }
493
494 cam_periph_unhold(periph);
495
496 softc->open_count++;
497
498 cam_periph_unlock(periph);
499
500 return(error);
501 }
502
503 static int
504 chclose(struct cdev *dev, int flag, int fmt, struct thread *td)
505 {
506 struct cam_sim *sim;
507 struct cam_periph *periph;
508 struct ch_softc *softc;
509
510 periph = (struct cam_periph *)dev->si_drv1;
511 if (periph == NULL)
512 return(ENXIO);
513
514 sim = periph->sim;
515 softc = (struct ch_softc *)periph->softc;
516
517 mtx_lock(sim->mtx);
518
519 softc->open_count--;
520
521 cam_periph_release_locked(periph);
522
523 /*
524 * We reference the SIM lock directly here, instead of using
525 * cam_periph_unlock(). The reason is that the call to
526 * cam_periph_release_locked() above could result in the periph
527 * getting freed. If that is the case, dereferencing the periph
528 * with a cam_periph_unlock() call would cause a page fault.
529 *
530 * cam_periph_release() avoids this problem using the same method,
531 * but we're manually acquiring and dropping the lock here to
532 * protect the open count and avoid another lock acquisition and
533 * release.
534 */
535 mtx_unlock(sim->mtx);
536
537 return(0);
538 }
539
540 static void
541 chstart(struct cam_periph *periph, union ccb *start_ccb)
542 {
543 struct ch_softc *softc;
544
545 softc = (struct ch_softc *)periph->softc;
546
547 switch (softc->state) {
548 case CH_STATE_NORMAL:
549 {
550 if (periph->immediate_priority <= periph->pinfo.priority){
551 start_ccb->ccb_h.ccb_state = CH_CCB_WAITING;
552
553 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
554 periph_links.sle);
555 periph->immediate_priority = CAM_PRIORITY_NONE;
556 wakeup(&periph->ccb_list);
557 }
558 break;
559 }
560 case CH_STATE_PROBE:
561 {
562 int mode_buffer_len;
563 void *mode_buffer;
564
565 /*
566 * Include the block descriptor when calculating the mode
567 * buffer length,
568 */
569 mode_buffer_len = sizeof(struct scsi_mode_header_6) +
570 sizeof(struct scsi_mode_blk_desc) +
571 sizeof(struct page_element_address_assignment);
572
573 mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT);
574
575 if (mode_buffer == NULL) {
576 printf("chstart: couldn't malloc mode sense data\n");
577 break;
578 }
579 bzero(mode_buffer, mode_buffer_len);
580
581 /*
582 * Get the element address assignment page.
583 */
584 scsi_mode_sense(&start_ccb->csio,
585 /* retries */ 1,
586 /* cbfcnp */ chdone,
587 /* tag_action */ MSG_SIMPLE_Q_TAG,
588 /* dbd */ (softc->quirks & CH_Q_NO_DBD) ?
589 FALSE : TRUE,
590 /* page_code */ SMS_PAGE_CTRL_CURRENT,
591 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE,
592 /* param_buf */ (u_int8_t *)mode_buffer,
593 /* param_len */ mode_buffer_len,
594 /* sense_len */ SSD_FULL_SIZE,
595 /* timeout */ CH_TIMEOUT_MODE_SENSE);
596
597 start_ccb->ccb_h.ccb_bp = NULL;
598 start_ccb->ccb_h.ccb_state = CH_CCB_PROBE;
599 xpt_action(start_ccb);
600 break;
601 }
602 }
603 }
604
605 static void
606 chdone(struct cam_periph *periph, union ccb *done_ccb)
607 {
608 struct ch_softc *softc;
609 struct ccb_scsiio *csio;
610
611 softc = (struct ch_softc *)periph->softc;
612 csio = &done_ccb->csio;
613
614 switch(done_ccb->ccb_h.ccb_state) {
615 case CH_CCB_PROBE:
616 {
617 struct scsi_mode_header_6 *mode_header;
618 struct page_element_address_assignment *ea;
619 char announce_buf[80];
620
621
622 mode_header = (struct scsi_mode_header_6 *)csio->data_ptr;
623
624 ea = (struct page_element_address_assignment *)
625 find_mode_page_6(mode_header);
626
627 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP){
628
629 softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea);
630 softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte);
631 softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea);
632 softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse);
633 softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea);
634 softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee);
635 softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea);
636 softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte);
637 softc->sc_picker = softc->sc_firsts[CHET_MT];
638
639 #define PLURAL(c) (c) == 1 ? "" : "s"
640 snprintf(announce_buf, sizeof(announce_buf),
641 "%d slot%s, %d drive%s, "
642 "%d picker%s, %d portal%s",
643 softc->sc_counts[CHET_ST],
644 PLURAL(softc->sc_counts[CHET_ST]),
645 softc->sc_counts[CHET_DT],
646 PLURAL(softc->sc_counts[CHET_DT]),
647 softc->sc_counts[CHET_MT],
648 PLURAL(softc->sc_counts[CHET_MT]),
649 softc->sc_counts[CHET_IE],
650 PLURAL(softc->sc_counts[CHET_IE]));
651 #undef PLURAL
652 } else {
653 int error;
654
655 error = cherror(done_ccb, CAM_RETRY_SELTO,
656 SF_RETRY_UA | SF_NO_PRINT);
657 /*
658 * Retry any UNIT ATTENTION type errors. They
659 * are expected at boot.
660 */
661 if (error == ERESTART) {
662 /*
663 * A retry was scheuled, so
664 * just return.
665 */
666 return;
667 } else if (error != 0) {
668 int retry_scheduled;
669 struct scsi_mode_sense_6 *sms;
670
671 sms = (struct scsi_mode_sense_6 *)
672 done_ccb->csio.cdb_io.cdb_bytes;
673
674 /*
675 * Check to see if block descriptors were
676 * disabled. Some devices don't like that.
677 * We're taking advantage of the fact that
678 * the first few bytes of the 6 and 10 byte
679 * mode sense commands are the same. If
680 * block descriptors were disabled, enable
681 * them and re-send the command.
682 */
683 if (sms->byte2 & SMS_DBD) {
684 sms->byte2 &= ~SMS_DBD;
685 xpt_action(done_ccb);
686 softc->quirks |= CH_Q_NO_DBD;
687 retry_scheduled = 1;
688 } else
689 retry_scheduled = 0;
690
691 /* Don't wedge this device's queue */
692 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
693 cam_release_devq(done_ccb->ccb_h.path,
694 /*relsim_flags*/0,
695 /*reduction*/0,
696 /*timeout*/0,
697 /*getcount_only*/0);
698
699 if (retry_scheduled)
700 return;
701
702 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK)
703 == CAM_SCSI_STATUS_ERROR)
704 scsi_sense_print(&done_ccb->csio);
705 else {
706 xpt_print(periph->path,
707 "got CAM status %#x\n",
708 done_ccb->ccb_h.status);
709 }
710 xpt_print(periph->path, "fatal error, failed "
711 "to attach to device\n");
712
713 cam_periph_invalidate(periph);
714
715 announce_buf[0] = '\0';
716 }
717 }
718 if (announce_buf[0] != '\0') {
719 xpt_announce_periph(periph, announce_buf);
720 xpt_announce_quirks(periph, softc->quirks,
721 CH_Q_BIT_STRING);
722 }
723 softc->state = CH_STATE_NORMAL;
724 free(mode_header, M_SCSICH);
725 /*
726 * Since our peripheral may be invalidated by an error
727 * above or an external event, we must release our CCB
728 * before releasing the probe lock on the peripheral.
729 * The peripheral will only go away once the last lock
730 * is removed, and we need it around for the CCB release
731 * operation.
732 */
733 xpt_release_ccb(done_ccb);
734 cam_periph_unhold(periph);
735 return;
736 }
737 case CH_CCB_WAITING:
738 {
739 /* Caller will release the CCB */
740 wakeup(&done_ccb->ccb_h.cbfcnp);
741 return;
742 }
743 default:
744 break;
745 }
746 xpt_release_ccb(done_ccb);
747 }
748
749 static int
750 cherror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
751 {
752 struct ch_softc *softc;
753 struct cam_periph *periph;
754
755 periph = xpt_path_periph(ccb->ccb_h.path);
756 softc = (struct ch_softc *)periph->softc;
757
758 return (cam_periph_error(ccb, cam_flags, sense_flags,
759 &softc->saved_ccb));
760 }
761
762 static int
763 chioctl(struct cdev *dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
764 {
765 struct cam_periph *periph;
766 struct ch_softc *softc;
767 int error;
768
769 periph = (struct cam_periph *)dev->si_drv1;
770 if (periph == NULL)
771 return(ENXIO);
772
773 cam_periph_lock(periph);
774 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering chioctl\n"));
775
776 softc = (struct ch_softc *)periph->softc;
777
778 error = 0;
779
780 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
781 ("trying to do ioctl %#lx\n", cmd));
782
783 /*
784 * If this command can change the device's state, we must
785 * have the device open for writing.
786 */
787 switch (cmd) {
788 case CHIOGPICKER:
789 case CHIOGPARAMS:
790 case OCHIOGSTATUS:
791 case CHIOGSTATUS:
792 break;
793
794 default:
795 if ((flag & FWRITE) == 0) {
796 cam_periph_unlock(periph);
797 return (EBADF);
798 }
799 }
800
801 switch (cmd) {
802 case CHIOMOVE:
803 error = chmove(periph, (struct changer_move *)addr);
804 break;
805
806 case CHIOEXCHANGE:
807 error = chexchange(periph, (struct changer_exchange *)addr);
808 break;
809
810 case CHIOPOSITION:
811 error = chposition(periph, (struct changer_position *)addr);
812 break;
813
814 case CHIOGPICKER:
815 *(int *)addr = softc->sc_picker - softc->sc_firsts[CHET_MT];
816 break;
817
818 case CHIOSPICKER:
819 {
820 int new_picker = *(int *)addr;
821
822 if (new_picker > (softc->sc_counts[CHET_MT] - 1)) {
823 error = EINVAL;
824 break;
825 }
826 softc->sc_picker = softc->sc_firsts[CHET_MT] + new_picker;
827 break;
828 }
829 case CHIOGPARAMS:
830 {
831 struct changer_params *cp = (struct changer_params *)addr;
832
833 cp->cp_npickers = softc->sc_counts[CHET_MT];
834 cp->cp_nslots = softc->sc_counts[CHET_ST];
835 cp->cp_nportals = softc->sc_counts[CHET_IE];
836 cp->cp_ndrives = softc->sc_counts[CHET_DT];
837 break;
838 }
839 case CHIOIELEM:
840 error = chielem(periph, *(unsigned int *)addr);
841 break;
842
843 case OCHIOGSTATUS:
844 {
845 error = chgetelemstatus(periph, SCSI_REV_2, cmd,
846 (struct changer_element_status_request *)addr);
847 break;
848 }
849
850 case CHIOGSTATUS:
851 {
852 int scsi_version;
853
854 scsi_version = chscsiversion(periph);
855 if (scsi_version >= SCSI_REV_0) {
856 error = chgetelemstatus(periph, scsi_version, cmd,
857 (struct changer_element_status_request *)addr);
858 }
859 else { /* unable to determine the SCSI version */
860 cam_periph_unlock(periph);
861 return (ENXIO);
862 }
863 break;
864 }
865
866 case CHIOSETVOLTAG:
867 {
868 error = chsetvoltag(periph,
869 (struct changer_set_voltag_request *) addr);
870 break;
871 }
872
873 /* Implement prevent/allow? */
874
875 default:
876 error = cam_periph_ioctl(periph, cmd, addr, cherror);
877 break;
878 }
879
880 cam_periph_unlock(periph);
881 return (error);
882 }
883
884 static int
885 chmove(struct cam_periph *periph, struct changer_move *cm)
886 {
887 struct ch_softc *softc;
888 u_int16_t fromelem, toelem;
889 union ccb *ccb;
890 int error;
891
892 error = 0;
893 softc = (struct ch_softc *)periph->softc;
894
895 /*
896 * Check arguments.
897 */
898 if ((cm->cm_fromtype > CHET_DT) || (cm->cm_totype > CHET_DT))
899 return (EINVAL);
900 if ((cm->cm_fromunit > (softc->sc_counts[cm->cm_fromtype] - 1)) ||
901 (cm->cm_tounit > (softc->sc_counts[cm->cm_totype] - 1)))
902 return (ENODEV);
903
904 /*
905 * Check the request against the changer's capabilities.
906 */
907 if ((softc->sc_movemask[cm->cm_fromtype] & (1 << cm->cm_totype)) == 0)
908 return (ENODEV);
909
910 /*
911 * Calculate the source and destination elements.
912 */
913 fromelem = softc->sc_firsts[cm->cm_fromtype] + cm->cm_fromunit;
914 toelem = softc->sc_firsts[cm->cm_totype] + cm->cm_tounit;
915
916 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
917
918 scsi_move_medium(&ccb->csio,
919 /* retries */ 1,
920 /* cbfcnp */ chdone,
921 /* tag_action */ MSG_SIMPLE_Q_TAG,
922 /* tea */ softc->sc_picker,
923 /* src */ fromelem,
924 /* dst */ toelem,
925 /* invert */ (cm->cm_flags & CM_INVERT) ? TRUE : FALSE,
926 /* sense_len */ SSD_FULL_SIZE,
927 /* timeout */ CH_TIMEOUT_MOVE_MEDIUM);
928
929 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO,
930 /*sense_flags*/ SF_RETRY_UA,
931 softc->device_stats);
932
933 xpt_release_ccb(ccb);
934
935 return(error);
936 }
937
938 static int
939 chexchange(struct cam_periph *periph, struct changer_exchange *ce)
940 {
941 struct ch_softc *softc;
942 u_int16_t src, dst1, dst2;
943 union ccb *ccb;
944 int error;
945
946 error = 0;
947 softc = (struct ch_softc *)periph->softc;
948 /*
949 * Check arguments.
950 */
951 if ((ce->ce_srctype > CHET_DT) || (ce->ce_fdsttype > CHET_DT) ||
952 (ce->ce_sdsttype > CHET_DT))
953 return (EINVAL);
954 if ((ce->ce_srcunit > (softc->sc_counts[ce->ce_srctype] - 1)) ||
955 (ce->ce_fdstunit > (softc->sc_counts[ce->ce_fdsttype] - 1)) ||
956 (ce->ce_sdstunit > (softc->sc_counts[ce->ce_sdsttype] - 1)))
957 return (ENODEV);
958
959 /*
960 * Check the request against the changer's capabilities.
961 */
962 if (((softc->sc_exchangemask[ce->ce_srctype] &
963 (1 << ce->ce_fdsttype)) == 0) ||
964 ((softc->sc_exchangemask[ce->ce_fdsttype] &
965 (1 << ce->ce_sdsttype)) == 0))
966 return (ENODEV);
967
968 /*
969 * Calculate the source and destination elements.
970 */
971 src = softc->sc_firsts[ce->ce_srctype] + ce->ce_srcunit;
972 dst1 = softc->sc_firsts[ce->ce_fdsttype] + ce->ce_fdstunit;
973 dst2 = softc->sc_firsts[ce->ce_sdsttype] + ce->ce_sdstunit;
974
975 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
976
977 scsi_exchange_medium(&ccb->csio,
978 /* retries */ 1,
979 /* cbfcnp */ chdone,
980 /* tag_action */ MSG_SIMPLE_Q_TAG,
981 /* tea */ softc->sc_picker,
982 /* src */ src,
983 /* dst1 */ dst1,
984 /* dst2 */ dst2,
985 /* invert1 */ (ce->ce_flags & CE_INVERT1) ?
986 TRUE : FALSE,
987 /* invert2 */ (ce->ce_flags & CE_INVERT2) ?
988 TRUE : FALSE,
989 /* sense_len */ SSD_FULL_SIZE,
990 /* timeout */ CH_TIMEOUT_EXCHANGE_MEDIUM);
991
992 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/CAM_RETRY_SELTO,
993 /*sense_flags*/ SF_RETRY_UA,
994 softc->device_stats);
995
996 xpt_release_ccb(ccb);
997
998 return(error);
999 }
1000
1001 static int
1002 chposition(struct cam_periph *periph, struct changer_position *cp)
1003 {
1004 struct ch_softc *softc;
1005 u_int16_t dst;
1006 union ccb *ccb;
1007 int error;
1008
1009 error = 0;
1010 softc = (struct ch_softc *)periph->softc;
1011
1012 /*
1013 * Check arguments.
1014 */
1015 if (cp->cp_type > CHET_DT)
1016 return (EINVAL);
1017 if (cp->cp_unit > (softc->sc_counts[cp->cp_type] - 1))
1018 return (ENODEV);
1019
1020 /*
1021 * Calculate the destination element.
1022 */
1023 dst = softc->sc_firsts[cp->cp_type] + cp->cp_unit;
1024
1025 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1026
1027 scsi_position_to_element(&ccb->csio,
1028 /* retries */ 1,
1029 /* cbfcnp */ chdone,
1030 /* tag_action */ MSG_SIMPLE_Q_TAG,
1031 /* tea */ softc->sc_picker,
1032 /* dst */ dst,
1033 /* invert */ (cp->cp_flags & CP_INVERT) ?
1034 TRUE : FALSE,
1035 /* sense_len */ SSD_FULL_SIZE,
1036 /* timeout */ CH_TIMEOUT_POSITION_TO_ELEMENT);
1037
1038 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1039 /*sense_flags*/ SF_RETRY_UA,
1040 softc->device_stats);
1041
1042 xpt_release_ccb(ccb);
1043
1044 return(error);
1045 }
1046
1047 /*
1048 * Copy a volume tag to a volume_tag struct, converting SCSI byte order
1049 * to host native byte order in the volume serial number. The volume
1050 * label as returned by the changer is transferred to user mode as
1051 * nul-terminated string. Volume labels are truncated at the first
1052 * space, as suggested by SCSI-2.
1053 */
1054 static void
1055 copy_voltag(struct changer_voltag *uvoltag, struct volume_tag *voltag)
1056 {
1057 int i;
1058 for (i=0; i<CH_VOLTAG_MAXLEN; i++) {
1059 char c = voltag->vif[i];
1060 if (c && c != ' ')
1061 uvoltag->cv_volid[i] = c;
1062 else
1063 break;
1064 }
1065 uvoltag->cv_serial = scsi_2btoul(voltag->vsn);
1066 }
1067
1068 /*
1069 * Copy an element status descriptor to a user-mode
1070 * changer_element_status structure.
1071 */
1072 static void
1073 copy_element_status(struct ch_softc *softc,
1074 u_int16_t flags,
1075 struct read_element_status_descriptor *desc,
1076 struct changer_element_status *ces,
1077 int scsi_version)
1078 {
1079 u_int16_t eaddr = scsi_2btoul(desc->eaddr);
1080 u_int16_t et;
1081 struct volume_tag *pvol_tag = NULL, *avol_tag = NULL;
1082 struct read_element_status_device_id *devid = NULL;
1083
1084 ces->ces_int_addr = eaddr;
1085 /* set up logical address in element status */
1086 for (et = CHET_MT; et <= CHET_DT; et++) {
1087 if ((softc->sc_firsts[et] <= eaddr)
1088 && ((softc->sc_firsts[et] + softc->sc_counts[et])
1089 > eaddr)) {
1090 ces->ces_addr = eaddr - softc->sc_firsts[et];
1091 ces->ces_type = et;
1092 break;
1093 }
1094 }
1095
1096 ces->ces_flags = desc->flags1;
1097
1098 ces->ces_sensecode = desc->sense_code;
1099 ces->ces_sensequal = desc->sense_qual;
1100
1101 if (desc->flags2 & READ_ELEMENT_STATUS_INVERT)
1102 ces->ces_flags |= CES_INVERT;
1103
1104 if (desc->flags2 & READ_ELEMENT_STATUS_SVALID) {
1105
1106 eaddr = scsi_2btoul(desc->ssea);
1107
1108 /* convert source address to logical format */
1109 for (et = CHET_MT; et <= CHET_DT; et++) {
1110 if ((softc->sc_firsts[et] <= eaddr)
1111 && ((softc->sc_firsts[et] + softc->sc_counts[et])
1112 > eaddr)) {
1113 ces->ces_source_addr =
1114 eaddr - softc->sc_firsts[et];
1115 ces->ces_source_type = et;
1116 ces->ces_flags |= CES_SOURCE_VALID;
1117 break;
1118 }
1119 }
1120
1121 if (!(ces->ces_flags & CES_SOURCE_VALID))
1122 printf("ch: warning: could not map element source "
1123 "address %ud to a valid element type\n",
1124 eaddr);
1125 }
1126
1127 /*
1128 * pvoltag and avoltag are common between SCSI-2 and later versions
1129 */
1130 if (flags & READ_ELEMENT_STATUS_PVOLTAG)
1131 pvol_tag = &desc->voltag_devid.pvoltag;
1132 if (flags & READ_ELEMENT_STATUS_AVOLTAG)
1133 avol_tag = (flags & READ_ELEMENT_STATUS_PVOLTAG) ?
1134 &desc->voltag_devid.voltag[1] :&desc->voltag_devid.pvoltag;
1135 /*
1136 * For SCSI-3 and later, element status can carry designator and
1137 * other information.
1138 */
1139 if (scsi_version >= SCSI_REV_SPC) {
1140 if ((flags & READ_ELEMENT_STATUS_PVOLTAG) ^
1141 (flags & READ_ELEMENT_STATUS_AVOLTAG))
1142 devid = &desc->voltag_devid.pvol_and_devid.devid;
1143 else if (!(flags & READ_ELEMENT_STATUS_PVOLTAG) &&
1144 !(flags & READ_ELEMENT_STATUS_AVOLTAG))
1145 devid = &desc->voltag_devid.devid;
1146 else /* Have both PVOLTAG and AVOLTAG */
1147 devid = &desc->voltag_devid.vol_tags_and_devid.devid;
1148 }
1149
1150 if (pvol_tag)
1151 copy_voltag(&(ces->ces_pvoltag), pvol_tag);
1152 if (avol_tag)
1153 copy_voltag(&(ces->ces_pvoltag), avol_tag);
1154 if (devid != NULL) {
1155 if (devid->designator_length > 0) {
1156 bcopy((void *)devid->designator,
1157 (void *)ces->ces_designator,
1158 devid->designator_length);
1159 ces->ces_designator_length = devid->designator_length;
1160 /*
1161 * Make sure we are always NUL terminated. The
1162 * This won't matter for the binary code set,
1163 * since the user will only pay attention to the
1164 * length field.
1165 */
1166 ces->ces_designator[devid->designator_length]= '\0';
1167 }
1168 if (devid->piv_assoc_designator_type &
1169 READ_ELEMENT_STATUS_PIV_SET) {
1170 ces->ces_flags |= CES_PIV;
1171 ces->ces_protocol_id =
1172 READ_ELEMENT_STATUS_PROTOCOL_ID(
1173 devid->prot_code_set);
1174 }
1175 ces->ces_code_set =
1176 READ_ELEMENT_STATUS_CODE_SET(devid->prot_code_set);
1177 ces->ces_assoc = READ_ELEMENT_STATUS_ASSOCIATION(
1178 devid->piv_assoc_designator_type);
1179 ces->ces_designator_type = READ_ELEMENT_STATUS_DESIGNATOR_TYPE(
1180 devid->piv_assoc_designator_type);
1181 } else if (scsi_version > SCSI_REV_2) {
1182 /* SCSI-SPC and No devid, no designator */
1183 ces->ces_designator_length = 0;
1184 ces->ces_designator[0] = '\0';
1185 ces->ces_protocol_id = CES_PROTOCOL_ID_FCP_4;
1186 }
1187
1188 if (scsi_version <= SCSI_REV_2) {
1189 if (desc->dt_or_obsolete.scsi_2.dt_scsi_flags &
1190 READ_ELEMENT_STATUS_DT_IDVALID) {
1191 ces->ces_flags |= CES_SCSIID_VALID;
1192 ces->ces_scsi_id =
1193 desc->dt_or_obsolete.scsi_2.dt_scsi_addr;
1194 }
1195
1196 if (desc->dt_or_obsolete.scsi_2.dt_scsi_addr &
1197 READ_ELEMENT_STATUS_DT_LUVALID) {
1198 ces->ces_flags |= CES_LUN_VALID;
1199 ces->ces_scsi_lun =
1200 desc->dt_or_obsolete.scsi_2.dt_scsi_flags &
1201 READ_ELEMENT_STATUS_DT_LUNMASK;
1202 }
1203 }
1204 }
1205
1206 static int
1207 chgetelemstatus(struct cam_periph *periph, int scsi_version, u_long cmd,
1208 struct changer_element_status_request *cesr)
1209 {
1210 struct read_element_status_header *st_hdr;
1211 struct read_element_status_page_header *pg_hdr;
1212 struct read_element_status_descriptor *desc;
1213 caddr_t data = NULL;
1214 size_t size, desclen;
1215 int avail, i, error = 0;
1216 int curdata, dvcid, sense_flags;
1217 int try_no_dvcid = 0;
1218 struct changer_element_status *user_data = NULL;
1219 struct ch_softc *softc;
1220 union ccb *ccb;
1221 int chet = cesr->cesr_element_type;
1222 int want_voltags = (cesr->cesr_flags & CESR_VOLTAGS) ? 1 : 0;
1223
1224 softc = (struct ch_softc *)periph->softc;
1225
1226 /* perform argument checking */
1227
1228 /*
1229 * Perform a range check on the cesr_element_{base,count}
1230 * request argument fields.
1231 */
1232 if ((softc->sc_counts[chet] - cesr->cesr_element_base) <= 0
1233 || (cesr->cesr_element_base + cesr->cesr_element_count)
1234 > softc->sc_counts[chet])
1235 return (EINVAL);
1236
1237 /*
1238 * Request one descriptor for the given element type. This
1239 * is used to determine the size of the descriptor so that
1240 * we can allocate enough storage for all of them. We assume
1241 * that the first one can fit into 1k.
1242 */
1243 cam_periph_unlock(periph);
1244 data = (caddr_t)malloc(1024, M_DEVBUF, M_WAITOK);
1245
1246 cam_periph_lock(periph);
1247 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1248
1249 sense_flags = SF_RETRY_UA;
1250 if (softc->quirks & CH_Q_NO_DVCID) {
1251 dvcid = 0;
1252 curdata = 0;
1253 } else {
1254 dvcid = 1;
1255 curdata = 1;
1256 /*
1257 * Don't print anything for an Illegal Request, because
1258 * these flags can cause some changers to complain. We'll
1259 * retry without them if we get an error.
1260 */
1261 sense_flags |= SF_QUIET_IR;
1262 }
1263
1264 retry_einval:
1265
1266 scsi_read_element_status(&ccb->csio,
1267 /* retries */ 1,
1268 /* cbfcnp */ chdone,
1269 /* tag_action */ MSG_SIMPLE_Q_TAG,
1270 /* voltag */ want_voltags,
1271 /* sea */ softc->sc_firsts[chet],
1272 /* curdata */ curdata,
1273 /* dvcid */ dvcid,
1274 /* count */ 1,
1275 /* data_ptr */ data,
1276 /* dxfer_len */ 1024,
1277 /* sense_len */ SSD_FULL_SIZE,
1278 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS);
1279
1280 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1281 /*sense_flags*/ sense_flags,
1282 softc->device_stats);
1283
1284 /*
1285 * An Illegal Request sense key (only used if there is no asc/ascq)
1286 * or 0x24,0x00 for an ASC/ASCQ both map to EINVAL. If dvcid or
1287 * curdata are set (we set both or neither), try turning them off
1288 * and see if the command is successful.
1289 */
1290 if ((error == EINVAL)
1291 && (dvcid || curdata)) {
1292 dvcid = 0;
1293 curdata = 0;
1294 error = 0;
1295 /* At this point we want to report any Illegal Request */
1296 sense_flags &= ~SF_QUIET_IR;
1297 try_no_dvcid = 1;
1298 goto retry_einval;
1299 }
1300
1301 /*
1302 * In this case, we tried a read element status with dvcid and
1303 * curdata set, and it failed. We retried without those bits, and
1304 * it succeeded. Suggest to the user that he set a quirk, so we
1305 * don't go through the retry process the first time in the future.
1306 * This should only happen on changers that claim SCSI-3 or higher,
1307 * but don't support these bits.
1308 */
1309 if ((try_no_dvcid != 0)
1310 && (error == 0))
1311 softc->quirks |= CH_Q_NO_DVCID;
1312
1313 if (error)
1314 goto done;
1315 cam_periph_unlock(periph);
1316
1317 st_hdr = (struct read_element_status_header *)data;
1318 pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr +
1319 sizeof(struct read_element_status_header));
1320 desclen = scsi_2btoul(pg_hdr->edl);
1321
1322 size = sizeof(struct read_element_status_header) +
1323 sizeof(struct read_element_status_page_header) +
1324 (desclen * cesr->cesr_element_count);
1325 /*
1326 * Reallocate storage for descriptors and get them from the
1327 * device.
1328 */
1329 free(data, M_DEVBUF);
1330 data = (caddr_t)malloc(size, M_DEVBUF, M_WAITOK);
1331
1332 cam_periph_lock(periph);
1333 scsi_read_element_status(&ccb->csio,
1334 /* retries */ 1,
1335 /* cbfcnp */ chdone,
1336 /* tag_action */ MSG_SIMPLE_Q_TAG,
1337 /* voltag */ want_voltags,
1338 /* sea */ softc->sc_firsts[chet]
1339 + cesr->cesr_element_base,
1340 /* curdata */ curdata,
1341 /* dvcid */ dvcid,
1342 /* count */ cesr->cesr_element_count,
1343 /* data_ptr */ data,
1344 /* dxfer_len */ size,
1345 /* sense_len */ SSD_FULL_SIZE,
1346 /* timeout */ CH_TIMEOUT_READ_ELEMENT_STATUS);
1347
1348 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1349 /*sense_flags*/ SF_RETRY_UA,
1350 softc->device_stats);
1351
1352 if (error)
1353 goto done;
1354 cam_periph_unlock(periph);
1355
1356 /*
1357 * Fill in the user status array.
1358 */
1359 st_hdr = (struct read_element_status_header *)data;
1360 pg_hdr = (struct read_element_status_page_header *)((uintptr_t)st_hdr +
1361 sizeof(struct read_element_status_header));
1362 avail = scsi_2btoul(st_hdr->count);
1363
1364 if (avail != cesr->cesr_element_count) {
1365 xpt_print(periph->path,
1366 "warning, READ ELEMENT STATUS avail != count\n");
1367 }
1368
1369 user_data = (struct changer_element_status *)
1370 malloc(avail * sizeof(struct changer_element_status),
1371 M_DEVBUF, M_WAITOK | M_ZERO);
1372
1373 desc = (struct read_element_status_descriptor *)((uintptr_t)data +
1374 sizeof(struct read_element_status_header) +
1375 sizeof(struct read_element_status_page_header));
1376 /*
1377 * Set up the individual element status structures
1378 */
1379 for (i = 0; i < avail; ++i) {
1380 struct changer_element_status *ces;
1381
1382 /*
1383 * In the changer_element_status structure, fields from
1384 * the beginning to the field of ces_scsi_lun are common
1385 * between SCSI-2 and SCSI-3, while all the rest are new
1386 * from SCSI-3. In order to maintain backward compatibility
1387 * of the chio command, the ces pointer, below, is computed
1388 * such that it lines up with the structure boundary
1389 * corresponding to the SCSI version.
1390 */
1391 ces = cmd == OCHIOGSTATUS ?
1392 (struct changer_element_status *)
1393 ((unsigned char *)user_data + i *
1394 (offsetof(struct changer_element_status,ces_scsi_lun)+1)):
1395 &user_data[i];
1396
1397 copy_element_status(softc, pg_hdr->flags, desc,
1398 ces, scsi_version);
1399
1400 desc = (struct read_element_status_descriptor *)
1401 ((unsigned char *)desc + desclen);
1402 }
1403
1404 /* Copy element status structures out to userspace. */
1405 if (cmd == OCHIOGSTATUS)
1406 error = copyout(user_data,
1407 cesr->cesr_element_status,
1408 avail* (offsetof(struct changer_element_status,
1409 ces_scsi_lun) + 1));
1410 else
1411 error = copyout(user_data,
1412 cesr->cesr_element_status,
1413 avail * sizeof(struct changer_element_status));
1414
1415 cam_periph_lock(periph);
1416
1417 done:
1418 xpt_release_ccb(ccb);
1419
1420 if (data != NULL)
1421 free(data, M_DEVBUF);
1422 if (user_data != NULL)
1423 free(user_data, M_DEVBUF);
1424
1425 return (error);
1426 }
1427
1428 static int
1429 chielem(struct cam_periph *periph,
1430 unsigned int timeout)
1431 {
1432 union ccb *ccb;
1433 struct ch_softc *softc;
1434 int error;
1435
1436 if (!timeout) {
1437 timeout = CH_TIMEOUT_INITIALIZE_ELEMENT_STATUS;
1438 } else {
1439 timeout *= 1000;
1440 }
1441
1442 error = 0;
1443 softc = (struct ch_softc *)periph->softc;
1444
1445 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1446
1447 scsi_initialize_element_status(&ccb->csio,
1448 /* retries */ 1,
1449 /* cbfcnp */ chdone,
1450 /* tag_action */ MSG_SIMPLE_Q_TAG,
1451 /* sense_len */ SSD_FULL_SIZE,
1452 /* timeout */ timeout);
1453
1454 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1455 /*sense_flags*/ SF_RETRY_UA,
1456 softc->device_stats);
1457
1458 xpt_release_ccb(ccb);
1459
1460 return(error);
1461 }
1462
1463 static int
1464 chsetvoltag(struct cam_periph *periph,
1465 struct changer_set_voltag_request *csvr)
1466 {
1467 union ccb *ccb;
1468 struct ch_softc *softc;
1469 u_int16_t ea;
1470 u_int8_t sac;
1471 struct scsi_send_volume_tag_parameters ssvtp;
1472 int error;
1473 int i;
1474
1475 error = 0;
1476 softc = (struct ch_softc *)periph->softc;
1477
1478 bzero(&ssvtp, sizeof(ssvtp));
1479 for (i=0; i<sizeof(ssvtp.vitf); i++) {
1480 ssvtp.vitf[i] = ' ';
1481 }
1482
1483 /*
1484 * Check arguments.
1485 */
1486 if (csvr->csvr_type > CHET_DT)
1487 return EINVAL;
1488 if (csvr->csvr_addr > (softc->sc_counts[csvr->csvr_type] - 1))
1489 return ENODEV;
1490
1491 ea = softc->sc_firsts[csvr->csvr_type] + csvr->csvr_addr;
1492
1493 if (csvr->csvr_flags & CSVR_ALTERNATE) {
1494 switch (csvr->csvr_flags & CSVR_MODE_MASK) {
1495 case CSVR_MODE_SET:
1496 sac = SEND_VOLUME_TAG_ASSERT_ALTERNATE;
1497 break;
1498 case CSVR_MODE_REPLACE:
1499 sac = SEND_VOLUME_TAG_REPLACE_ALTERNATE;
1500 break;
1501 case CSVR_MODE_CLEAR:
1502 sac = SEND_VOLUME_TAG_UNDEFINED_ALTERNATE;
1503 break;
1504 default:
1505 error = EINVAL;
1506 goto out;
1507 }
1508 } else {
1509 switch (csvr->csvr_flags & CSVR_MODE_MASK) {
1510 case CSVR_MODE_SET:
1511 sac = SEND_VOLUME_TAG_ASSERT_PRIMARY;
1512 break;
1513 case CSVR_MODE_REPLACE:
1514 sac = SEND_VOLUME_TAG_REPLACE_PRIMARY;
1515 break;
1516 case CSVR_MODE_CLEAR:
1517 sac = SEND_VOLUME_TAG_UNDEFINED_PRIMARY;
1518 break;
1519 default:
1520 error = EINVAL;
1521 goto out;
1522 }
1523 }
1524
1525 memcpy(ssvtp.vitf, csvr->csvr_voltag.cv_volid,
1526 min(strlen(csvr->csvr_voltag.cv_volid), sizeof(ssvtp.vitf)));
1527 scsi_ulto2b(csvr->csvr_voltag.cv_serial, ssvtp.minvsn);
1528
1529 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1530
1531 scsi_send_volume_tag(&ccb->csio,
1532 /* retries */ 1,
1533 /* cbfcnp */ chdone,
1534 /* tag_action */ MSG_SIMPLE_Q_TAG,
1535 /* element_address */ ea,
1536 /* send_action_code */ sac,
1537 /* parameters */ &ssvtp,
1538 /* sense_len */ SSD_FULL_SIZE,
1539 /* timeout */ CH_TIMEOUT_SEND_VOLTAG);
1540
1541 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1542 /*sense_flags*/ SF_RETRY_UA,
1543 softc->device_stats);
1544
1545 xpt_release_ccb(ccb);
1546
1547 out:
1548 return error;
1549 }
1550
1551 static int
1552 chgetparams(struct cam_periph *periph)
1553 {
1554 union ccb *ccb;
1555 struct ch_softc *softc;
1556 void *mode_buffer;
1557 int mode_buffer_len;
1558 struct page_element_address_assignment *ea;
1559 struct page_device_capabilities *cap;
1560 int error, from, dbd;
1561 u_int8_t *moves, *exchanges;
1562
1563 error = 0;
1564
1565 softc = (struct ch_softc *)periph->softc;
1566
1567 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1568
1569 /*
1570 * The scsi_mode_sense_data structure is just a convenience
1571 * structure that allows us to easily calculate the worst-case
1572 * storage size of the mode sense buffer.
1573 */
1574 mode_buffer_len = sizeof(struct scsi_mode_sense_data);
1575
1576 mode_buffer = malloc(mode_buffer_len, M_SCSICH, M_NOWAIT);
1577
1578 if (mode_buffer == NULL) {
1579 printf("chgetparams: couldn't malloc mode sense data\n");
1580 return(ENOSPC);
1581 }
1582
1583 bzero(mode_buffer, mode_buffer_len);
1584
1585 if (softc->quirks & CH_Q_NO_DBD)
1586 dbd = FALSE;
1587 else
1588 dbd = TRUE;
1589
1590 /*
1591 * Get the element address assignment page.
1592 */
1593 scsi_mode_sense(&ccb->csio,
1594 /* retries */ 1,
1595 /* cbfcnp */ chdone,
1596 /* tag_action */ MSG_SIMPLE_Q_TAG,
1597 /* dbd */ dbd,
1598 /* page_code */ SMS_PAGE_CTRL_CURRENT,
1599 /* page */ CH_ELEMENT_ADDR_ASSIGN_PAGE,
1600 /* param_buf */ (u_int8_t *)mode_buffer,
1601 /* param_len */ mode_buffer_len,
1602 /* sense_len */ SSD_FULL_SIZE,
1603 /* timeout */ CH_TIMEOUT_MODE_SENSE);
1604
1605 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1606 /* sense_flags */ SF_RETRY_UA|SF_NO_PRINT,
1607 softc->device_stats);
1608
1609 if (error) {
1610 if (dbd) {
1611 struct scsi_mode_sense_6 *sms;
1612
1613 sms = (struct scsi_mode_sense_6 *)
1614 ccb->csio.cdb_io.cdb_bytes;
1615
1616 sms->byte2 &= ~SMS_DBD;
1617 error = cam_periph_runccb(ccb, cherror,
1618 /*cam_flags*/ CAM_RETRY_SELTO,
1619 /*sense_flags*/ SF_RETRY_UA,
1620 softc->device_stats);
1621 } else {
1622 /*
1623 * Since we disabled sense printing above, print
1624 * out the sense here since we got an error.
1625 */
1626 scsi_sense_print(&ccb->csio);
1627 }
1628
1629 if (error) {
1630 xpt_print(periph->path,
1631 "chgetparams: error getting element "
1632 "address page\n");
1633 xpt_release_ccb(ccb);
1634 free(mode_buffer, M_SCSICH);
1635 return(error);
1636 }
1637 }
1638
1639 ea = (struct page_element_address_assignment *)
1640 find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer);
1641
1642 softc->sc_firsts[CHET_MT] = scsi_2btoul(ea->mtea);
1643 softc->sc_counts[CHET_MT] = scsi_2btoul(ea->nmte);
1644 softc->sc_firsts[CHET_ST] = scsi_2btoul(ea->fsea);
1645 softc->sc_counts[CHET_ST] = scsi_2btoul(ea->nse);
1646 softc->sc_firsts[CHET_IE] = scsi_2btoul(ea->fieea);
1647 softc->sc_counts[CHET_IE] = scsi_2btoul(ea->niee);
1648 softc->sc_firsts[CHET_DT] = scsi_2btoul(ea->fdtea);
1649 softc->sc_counts[CHET_DT] = scsi_2btoul(ea->ndte);
1650
1651 bzero(mode_buffer, mode_buffer_len);
1652
1653 /*
1654 * Now get the device capabilities page.
1655 */
1656 scsi_mode_sense(&ccb->csio,
1657 /* retries */ 1,
1658 /* cbfcnp */ chdone,
1659 /* tag_action */ MSG_SIMPLE_Q_TAG,
1660 /* dbd */ dbd,
1661 /* page_code */ SMS_PAGE_CTRL_CURRENT,
1662 /* page */ CH_DEVICE_CAP_PAGE,
1663 /* param_buf */ (u_int8_t *)mode_buffer,
1664 /* param_len */ mode_buffer_len,
1665 /* sense_len */ SSD_FULL_SIZE,
1666 /* timeout */ CH_TIMEOUT_MODE_SENSE);
1667
1668 error = cam_periph_runccb(ccb, cherror, /*cam_flags*/ CAM_RETRY_SELTO,
1669 /* sense_flags */ SF_RETRY_UA | SF_NO_PRINT,
1670 softc->device_stats);
1671
1672 if (error) {
1673 if (dbd) {
1674 struct scsi_mode_sense_6 *sms;
1675
1676 sms = (struct scsi_mode_sense_6 *)
1677 ccb->csio.cdb_io.cdb_bytes;
1678
1679 sms->byte2 &= ~SMS_DBD;
1680 error = cam_periph_runccb(ccb, cherror,
1681 /*cam_flags*/ CAM_RETRY_SELTO,
1682 /*sense_flags*/ SF_RETRY_UA,
1683 softc->device_stats);
1684 } else {
1685 /*
1686 * Since we disabled sense printing above, print
1687 * out the sense here since we got an error.
1688 */
1689 scsi_sense_print(&ccb->csio);
1690 }
1691
1692 if (error) {
1693 xpt_print(periph->path,
1694 "chgetparams: error getting device "
1695 "capabilities page\n");
1696 xpt_release_ccb(ccb);
1697 free(mode_buffer, M_SCSICH);
1698 return(error);
1699 }
1700 }
1701
1702 xpt_release_ccb(ccb);
1703
1704 cap = (struct page_device_capabilities *)
1705 find_mode_page_6((struct scsi_mode_header_6 *)mode_buffer);
1706
1707 bzero(softc->sc_movemask, sizeof(softc->sc_movemask));
1708 bzero(softc->sc_exchangemask, sizeof(softc->sc_exchangemask));
1709 moves = cap->move_from;
1710 exchanges = cap->exchange_with;
1711 for (from = CHET_MT; from <= CHET_MAX; ++from) {
1712 softc->sc_movemask[from] = moves[from];
1713 softc->sc_exchangemask[from] = exchanges[from];
1714 }
1715
1716 free(mode_buffer, M_SCSICH);
1717
1718 return(error);
1719 }
1720
1721 static int
1722 chscsiversion(struct cam_periph *periph)
1723 {
1724 struct scsi_inquiry_data *inq_data;
1725 struct ccb_getdev *cgd;
1726 int dev_scsi_version;
1727 struct cam_sim *sim;
1728
1729 sim = xpt_path_sim(periph->path);
1730 mtx_assert(sim->mtx, MA_OWNED);
1731 if ((cgd = (struct ccb_getdev *)xpt_alloc_ccb_nowait()) == NULL)
1732 return (-1);
1733 /*
1734 * Get the device information.
1735 */
1736 xpt_setup_ccb(&cgd->ccb_h,
1737 periph->path,
1738 CAM_PRIORITY_NORMAL);
1739 cgd->ccb_h.func_code = XPT_GDEV_TYPE;
1740 xpt_action((union ccb *)cgd);
1741
1742 if (cgd->ccb_h.status != CAM_REQ_CMP) {
1743 xpt_free_ccb((union ccb *)cgd);
1744 return -1;
1745 }
1746
1747 inq_data = &cgd->inq_data;
1748 dev_scsi_version = inq_data->version;
1749 xpt_free_ccb((union ccb *)cgd);
1750
1751 return dev_scsi_version;
1752 }
1753
1754 void
1755 scsi_move_medium(struct ccb_scsiio *csio, u_int32_t retries,
1756 void (*cbfcnp)(struct cam_periph *, union ccb *),
1757 u_int8_t tag_action, u_int32_t tea, u_int32_t src,
1758 u_int32_t dst, int invert, u_int8_t sense_len,
1759 u_int32_t timeout)
1760 {
1761 struct scsi_move_medium *scsi_cmd;
1762
1763 scsi_cmd = (struct scsi_move_medium *)&csio->cdb_io.cdb_bytes;
1764 bzero(scsi_cmd, sizeof(*scsi_cmd));
1765
1766 scsi_cmd->opcode = MOVE_MEDIUM;
1767
1768 scsi_ulto2b(tea, scsi_cmd->tea);
1769 scsi_ulto2b(src, scsi_cmd->src);
1770 scsi_ulto2b(dst, scsi_cmd->dst);
1771
1772 if (invert)
1773 scsi_cmd->invert |= MOVE_MEDIUM_INVERT;
1774
1775 cam_fill_csio(csio,
1776 retries,
1777 cbfcnp,
1778 /*flags*/ CAM_DIR_NONE,
1779 tag_action,
1780 /*data_ptr*/ NULL,
1781 /*dxfer_len*/ 0,
1782 sense_len,
1783 sizeof(*scsi_cmd),
1784 timeout);
1785 }
1786
1787 void
1788 scsi_exchange_medium(struct ccb_scsiio *csio, u_int32_t retries,
1789 void (*cbfcnp)(struct cam_periph *, union ccb *),
1790 u_int8_t tag_action, u_int32_t tea, u_int32_t src,
1791 u_int32_t dst1, u_int32_t dst2, int invert1,
1792 int invert2, u_int8_t sense_len, u_int32_t timeout)
1793 {
1794 struct scsi_exchange_medium *scsi_cmd;
1795
1796 scsi_cmd = (struct scsi_exchange_medium *)&csio->cdb_io.cdb_bytes;
1797 bzero(scsi_cmd, sizeof(*scsi_cmd));
1798
1799 scsi_cmd->opcode = EXCHANGE_MEDIUM;
1800
1801 scsi_ulto2b(tea, scsi_cmd->tea);
1802 scsi_ulto2b(src, scsi_cmd->src);
1803 scsi_ulto2b(dst1, scsi_cmd->fdst);
1804 scsi_ulto2b(dst2, scsi_cmd->sdst);
1805
1806 if (invert1)
1807 scsi_cmd->invert |= EXCHANGE_MEDIUM_INV1;
1808
1809 if (invert2)
1810 scsi_cmd->invert |= EXCHANGE_MEDIUM_INV2;
1811
1812 cam_fill_csio(csio,
1813 retries,
1814 cbfcnp,
1815 /*flags*/ CAM_DIR_NONE,
1816 tag_action,
1817 /*data_ptr*/ NULL,
1818 /*dxfer_len*/ 0,
1819 sense_len,
1820 sizeof(*scsi_cmd),
1821 timeout);
1822 }
1823
1824 void
1825 scsi_position_to_element(struct ccb_scsiio *csio, u_int32_t retries,
1826 void (*cbfcnp)(struct cam_periph *, union ccb *),
1827 u_int8_t tag_action, u_int32_t tea, u_int32_t dst,
1828 int invert, u_int8_t sense_len, u_int32_t timeout)
1829 {
1830 struct scsi_position_to_element *scsi_cmd;
1831
1832 scsi_cmd = (struct scsi_position_to_element *)&csio->cdb_io.cdb_bytes;
1833 bzero(scsi_cmd, sizeof(*scsi_cmd));
1834
1835 scsi_cmd->opcode = POSITION_TO_ELEMENT;
1836
1837 scsi_ulto2b(tea, scsi_cmd->tea);
1838 scsi_ulto2b(dst, scsi_cmd->dst);
1839
1840 if (invert)
1841 scsi_cmd->invert |= POSITION_TO_ELEMENT_INVERT;
1842
1843 cam_fill_csio(csio,
1844 retries,
1845 cbfcnp,
1846 /*flags*/ CAM_DIR_NONE,
1847 tag_action,
1848 /*data_ptr*/ NULL,
1849 /*dxfer_len*/ 0,
1850 sense_len,
1851 sizeof(*scsi_cmd),
1852 timeout);
1853 }
1854
1855 void
1856 scsi_read_element_status(struct ccb_scsiio *csio, u_int32_t retries,
1857 void (*cbfcnp)(struct cam_periph *, union ccb *),
1858 u_int8_t tag_action, int voltag, u_int32_t sea,
1859 int curdata, int dvcid,
1860 u_int32_t count, u_int8_t *data_ptr,
1861 u_int32_t dxfer_len, u_int8_t sense_len,
1862 u_int32_t timeout)
1863 {
1864 struct scsi_read_element_status *scsi_cmd;
1865
1866 scsi_cmd = (struct scsi_read_element_status *)&csio->cdb_io.cdb_bytes;
1867 bzero(scsi_cmd, sizeof(*scsi_cmd));
1868
1869 scsi_cmd->opcode = READ_ELEMENT_STATUS;
1870
1871 scsi_ulto2b(sea, scsi_cmd->sea);
1872 scsi_ulto2b(count, scsi_cmd->count);
1873 scsi_ulto3b(dxfer_len, scsi_cmd->len);
1874 if (dvcid)
1875 scsi_cmd->flags |= READ_ELEMENT_STATUS_DVCID;
1876 if (curdata)
1877 scsi_cmd->flags |= READ_ELEMENT_STATUS_CURDATA;
1878
1879 if (voltag)
1880 scsi_cmd->byte2 |= READ_ELEMENT_STATUS_VOLTAG;
1881
1882 cam_fill_csio(csio,
1883 retries,
1884 cbfcnp,
1885 /*flags*/ CAM_DIR_IN,
1886 tag_action,
1887 data_ptr,
1888 dxfer_len,
1889 sense_len,
1890 sizeof(*scsi_cmd),
1891 timeout);
1892 }
1893
1894 void
1895 scsi_initialize_element_status(struct ccb_scsiio *csio, u_int32_t retries,
1896 void (*cbfcnp)(struct cam_periph *, union ccb *),
1897 u_int8_t tag_action, u_int8_t sense_len,
1898 u_int32_t timeout)
1899 {
1900 struct scsi_initialize_element_status *scsi_cmd;
1901
1902 scsi_cmd = (struct scsi_initialize_element_status *)
1903 &csio->cdb_io.cdb_bytes;
1904 bzero(scsi_cmd, sizeof(*scsi_cmd));
1905
1906 scsi_cmd->opcode = INITIALIZE_ELEMENT_STATUS;
1907
1908 cam_fill_csio(csio,
1909 retries,
1910 cbfcnp,
1911 /*flags*/ CAM_DIR_NONE,
1912 tag_action,
1913 /* data_ptr */ NULL,
1914 /* dxfer_len */ 0,
1915 sense_len,
1916 sizeof(*scsi_cmd),
1917 timeout);
1918 }
1919
1920 void
1921 scsi_send_volume_tag(struct ccb_scsiio *csio, u_int32_t retries,
1922 void (*cbfcnp)(struct cam_periph *, union ccb *),
1923 u_int8_t tag_action,
1924 u_int16_t element_address,
1925 u_int8_t send_action_code,
1926 struct scsi_send_volume_tag_parameters *parameters,
1927 u_int8_t sense_len, u_int32_t timeout)
1928 {
1929 struct scsi_send_volume_tag *scsi_cmd;
1930
1931 scsi_cmd = (struct scsi_send_volume_tag *) &csio->cdb_io.cdb_bytes;
1932 bzero(scsi_cmd, sizeof(*scsi_cmd));
1933
1934 scsi_cmd->opcode = SEND_VOLUME_TAG;
1935 scsi_ulto2b(element_address, scsi_cmd->ea);
1936 scsi_cmd->sac = send_action_code;
1937 scsi_ulto2b(sizeof(*parameters), scsi_cmd->pll);
1938
1939 cam_fill_csio(csio,
1940 retries,
1941 cbfcnp,
1942 /*flags*/ CAM_DIR_OUT,
1943 tag_action,
1944 /* data_ptr */ (u_int8_t *) parameters,
1945 sizeof(*parameters),
1946 sense_len,
1947 sizeof(*scsi_cmd),
1948 timeout);
1949 }
Cache object: bf861b991f0656ebea7d33abe20df97a
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