31
32#include <sys/param.h>
33
34#ifdef _KERNEL
35#include <sys/systm.h>
36#include <sys/kernel.h>
37#include <sys/bio.h>
38#include <sys/sysctl.h>
39#include <sys/taskqueue.h>
40#endif /* _KERNEL */
41
42#include <sys/devicestat.h>
43#include <sys/conf.h>
44#include <sys/eventhandler.h>
45#include <sys/malloc.h>
46#include <sys/cons.h>
47
48#include <machine/md_var.h>
49
50#include <vm/vm.h>
51#include <vm/pmap.h>
52
53#include <geom/geom_disk.h>
54
55#ifndef _KERNEL
56#include <stdio.h>
57#include <string.h>
58#endif /* _KERNEL */
59
60#include <cam/cam.h>
61#include <cam/cam_ccb.h>
62#include <cam/cam_periph.h>
63#include <cam/cam_xpt_periph.h>
64
65#include <cam/scsi/scsi_message.h>
66
67#ifndef _KERNEL
68#include <cam/scsi/scsi_da.h>
69#endif /* !_KERNEL */
70
71#ifdef _KERNEL
72typedef enum {
73 DA_STATE_PROBE,
74 DA_STATE_PROBE2,
75 DA_STATE_NORMAL
76} da_state;
77
78typedef enum {
79 DA_FLAG_PACK_INVALID = 0x001,
80 DA_FLAG_NEW_PACK = 0x002,
81 DA_FLAG_PACK_LOCKED = 0x004,
82 DA_FLAG_PACK_REMOVABLE = 0x008,
83 DA_FLAG_TAGGED_QUEUING = 0x010,
84 DA_FLAG_NEED_OTAG = 0x020,
85 DA_FLAG_WENT_IDLE = 0x040,
86 DA_FLAG_RETRY_UA = 0x080,
87 DA_FLAG_OPEN = 0x100,
88 DA_FLAG_SCTX_INIT = 0x200
89} da_flags;
90
91typedef enum {
92 DA_Q_NONE = 0x00,
93 DA_Q_NO_SYNC_CACHE = 0x01,
94 DA_Q_NO_6_BYTE = 0x02,
95 DA_Q_NO_PREVENT = 0x04
96} da_quirks;
97
98typedef enum {
99 DA_CCB_PROBE = 0x01,
100 DA_CCB_PROBE2 = 0x02,
101 DA_CCB_BUFFER_IO = 0x03,
102 DA_CCB_WAITING = 0x04,
103 DA_CCB_DUMP = 0x05,
104 DA_CCB_TYPE_MASK = 0x0F,
105 DA_CCB_RETRY_UA = 0x10
106} da_ccb_state;
107
108/* Offsets into our private area for storing information */
109#define ccb_state ppriv_field0
110#define ccb_bp ppriv_ptr1
111
112struct disk_params {
113 u_int8_t heads;
114 u_int32_t cylinders;
115 u_int8_t secs_per_track;
116 u_int32_t secsize; /* Number of bytes/sector */
117 u_int64_t sectors; /* total number sectors */
118};
119
120struct da_softc {
121 struct bio_queue_head bio_queue;
122 SLIST_ENTRY(da_softc) links;
123 LIST_HEAD(, ccb_hdr) pending_ccbs;
124 da_state state;
125 da_flags flags;
126 da_quirks quirks;
127 int minimum_cmd_size;
128 int ordered_tag_count;
129 int outstanding_cmds;
130 struct disk_params params;
131 struct disk *disk;
132 union ccb saved_ccb;
133 struct task sysctl_task;
134 struct sysctl_ctx_list sysctl_ctx;
135 struct sysctl_oid *sysctl_tree;
136};
137
138struct da_quirk_entry {
139 struct scsi_inquiry_pattern inq_pat;
140 da_quirks quirks;
141};
142
143static const char quantum[] = "QUANTUM";
144static const char microp[] = "MICROP";
145
146static struct da_quirk_entry da_quirk_table[] =
147{
148 /* SPI, FC devices */
149 {
150 /*
151 * Fujitsu M2513A MO drives.
152 * Tested devices: M2513A2 firmware versions 1200 & 1300.
153 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
154 * Reported by: W.Scholten <whs@xs4all.nl>
155 */
156 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
157 /*quirks*/ DA_Q_NO_SYNC_CACHE
158 },
159 {
160 /* See above. */
161 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
162 /*quirks*/ DA_Q_NO_SYNC_CACHE
163 },
164 {
165 /*
166 * This particular Fujitsu drive doesn't like the
167 * synchronize cache command.
168 * Reported by: Tom Jackson <toj@gorilla.net>
169 */
170 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
171 /*quirks*/ DA_Q_NO_SYNC_CACHE
172
173 },
174 {
175 /*
176 * This drive doesn't like the synchronize cache command
177 * either. Reported by: Matthew Jacob <mjacob@feral.com>
178 * in NetBSD PR kern/6027, August 24, 1998.
179 */
180 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
181 /*quirks*/ DA_Q_NO_SYNC_CACHE
182 },
183 {
184 /*
185 * This drive doesn't like the synchronize cache command
186 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
187 * (PR 8882).
188 */
189 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
190 /*quirks*/ DA_Q_NO_SYNC_CACHE
191 },
192 {
193 /*
194 * Doesn't like the synchronize cache command.
195 * Reported by: Blaz Zupan <blaz@gold.amis.net>
196 */
197 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
198 /*quirks*/ DA_Q_NO_SYNC_CACHE
199 },
200 {
201 /*
202 * Doesn't like the synchronize cache command.
203 * Reported by: Blaz Zupan <blaz@gold.amis.net>
204 */
205 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
206 /*quirks*/ DA_Q_NO_SYNC_CACHE
207 },
208 {
209 /*
210 * Doesn't like the synchronize cache command.
211 */
212 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
213 /*quirks*/ DA_Q_NO_SYNC_CACHE
214 },
215 {
216 /*
217 * Doesn't like the synchronize cache command.
218 * Reported by: walter@pelissero.de
219 */
220 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
221 /*quirks*/ DA_Q_NO_SYNC_CACHE
222 },
223 {
224 /*
225 * Doesn't work correctly with 6 byte reads/writes.
226 * Returns illegal request, and points to byte 9 of the
227 * 6-byte CDB.
228 * Reported by: Adam McDougall <bsdx@spawnet.com>
229 */
230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
231 /*quirks*/ DA_Q_NO_6_BYTE
232 },
233 {
234 /* See above. */
235 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
236 /*quirks*/ DA_Q_NO_6_BYTE
237 },
238 {
239 /*
240 * Doesn't like the synchronize cache command.
241 * Reported by: walter@pelissero.de
242 */
243 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
244 /*quirks*/ DA_Q_NO_SYNC_CACHE
245 },
246 {
247 /*
248 * The CISS RAID controllers do not support SYNC_CACHE
249 */
250 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
251 /*quirks*/ DA_Q_NO_SYNC_CACHE
252 },
253 /* USB mass storage devices supported by umass(4) */
254 {
255 /*
256 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
257 * PR: kern/51675
258 */
259 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
260 /*quirks*/ DA_Q_NO_SYNC_CACHE
261 },
262 {
263 /*
264 * Power Quotient Int. (PQI) USB flash key
265 * PR: kern/53067
266 */
267 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
268 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
269 },
270 {
271 /*
272 * Creative Nomad MUVO mp3 player (USB)
273 * PR: kern/53094
274 */
275 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
276 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
277 },
278 {
279 /*
280 * Jungsoft NEXDISK USB flash key
281 * PR: kern/54737
282 */
283 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
284 /*quirks*/ DA_Q_NO_SYNC_CACHE
285 },
286 {
287 /*
288 * FreeDik USB Mini Data Drive
289 * PR: kern/54786
290 */
291 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
292 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
293 },
294 {
295 /*
296 * Sigmatel USB Flash MP3 Player
297 * PR: kern/57046
298 */
299 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
300 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
301 },
302 {
303 /*
304 * Neuros USB Digital Audio Computer
305 * PR: kern/63645
306 */
307 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
308 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
309 },
310 {
311 /*
312 * SEAGRAND NP-900 MP3 Player
313 * PR: kern/64563
314 */
315 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
316 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
317 },
318 {
319 /*
320 * iRiver iFP MP3 player (with UMS Firmware)
321 * PR: kern/54881, i386/63941, kern/66124
322 */
323 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
324 /*quirks*/ DA_Q_NO_SYNC_CACHE
325 },
326 {
327 /*
328 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
329 * PR: kern/70158
330 */
331 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
332 /*quirks*/ DA_Q_NO_SYNC_CACHE
333 },
334 {
335 /*
336 * ZICPlay USB MP3 Player with FM
337 * PR: kern/75057
338 */
339 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
340 /*quirks*/ DA_Q_NO_SYNC_CACHE
341 },
342 {
343 /*
344 * TEAC USB floppy mechanisms
345 */
346 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
347 /*quirks*/ DA_Q_NO_SYNC_CACHE
348 },
349 {
350 /*
351 * Kingston DataTraveler II+ USB Pen-Drive.
352 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
353 */
354 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
355 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
356 },
357 {
358 /*
359 * Motorola E398 Mobile Phone (TransFlash memory card).
360 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
361 * PR: usb/89889
362 */
363 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
364 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
365 },
366 {
367 /*
368 * Qware BeatZkey! Pro
369 * PR: usb/79164
370 */
371 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
372 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
373 },
374 {
375 /*
376 * Time DPA20B 1GB MP3 Player
377 * PR: usb/81846
378 */
379 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
380 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
381 },
382 {
383 /*
384 * Samsung USB key 128Mb
385 * PR: usb/90081
386 */
387 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
388 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
389 },
390 {
391 /*
392 * Kingston DataTraveler 2.0 USB Flash memory.
393 * PR: usb/89196
394 */
395 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
396 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
397 },
398 {
399 /*
400 * Creative MUVO Slim mp3 player (USB)
401 * PR: usb/86131
402 */
403 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
404 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
405 },
406 {
407 /*
408 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
409 * PR: usb/80487
410 */
411 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
412 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
413 },
414 {
415 /*
416 * SanDisk Micro Cruzer 128MB
417 * PR: usb/75970
418 */
419 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
420 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
421 },
422 {
423 /*
424 * TOSHIBA TransMemory USB sticks
425 * PR: kern/94660
426 */
427 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
428 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
429 },
430 {
431 /*
432 * PNY USB Flash keys
433 * PR: usb/75578, usb/72344, usb/65436
434 */
435 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
436 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
437 },
438 {
439 /*
440 * Genesys 6-in-1 Card Reader
441 * PR: usb/94647
442 */
443 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
444 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
445 },
446 {
447 /*
448 * Rekam Digital CAMERA
449 * PR: usb/98713
450 */
451 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
452 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
453 },
454 {
455 /*
456 * iRiver H10 MP3 player
457 * PR: usb/102547
458 */
459 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
460 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
461 },
462};
463
464static disk_strategy_t dastrategy;
465static dumper_t dadump;
466static periph_init_t dainit;
467static void daasync(void *callback_arg, u_int32_t code,
468 struct cam_path *path, void *arg);
469static void dasysctlinit(void *context, int pending);
470static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
471static periph_ctor_t daregister;
472static periph_dtor_t dacleanup;
473static periph_start_t dastart;
474static periph_oninv_t daoninvalidate;
475static void dadone(struct cam_periph *periph,
476 union ccb *done_ccb);
477static int daerror(union ccb *ccb, u_int32_t cam_flags,
478 u_int32_t sense_flags);
479static void daprevent(struct cam_periph *periph, int action);
480static int dagetcapacity(struct cam_periph *periph);
481static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
482 uint64_t maxsector);
483static timeout_t dasendorderedtag;
484static void dashutdown(void *arg, int howto);
485
486#ifndef DA_DEFAULT_TIMEOUT
487#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
488#endif
489
490#ifndef DA_DEFAULT_RETRY
491#define DA_DEFAULT_RETRY 4
492#endif
493
494static int da_retry_count = DA_DEFAULT_RETRY;
495static int da_default_timeout = DA_DEFAULT_TIMEOUT;
496
497SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
498 "CAM Direct Access Disk driver");
499SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
500 &da_retry_count, 0, "Normal I/O retry count");
501TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
502SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
503 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
504TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
505
506/*
507 * DA_ORDEREDTAG_INTERVAL determines how often, relative
508 * to the default timeout, we check to see whether an ordered
509 * tagged transaction is appropriate to prevent simple tag
510 * starvation. Since we'd like to ensure that there is at least
511 * 1/2 of the timeout length left for a starved transaction to
512 * complete after we've sent an ordered tag, we must poll at least
513 * four times in every timeout period. This takes care of the worst
514 * case where a starved transaction starts during an interval that
515 * meets the requirement "don't send an ordered tag" test so it takes
516 * us two intervals to determine that a tag must be sent.
517 */
518#ifndef DA_ORDEREDTAG_INTERVAL
519#define DA_ORDEREDTAG_INTERVAL 4
520#endif
521
522static struct periph_driver dadriver =
523{
524 dainit, "da",
525 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
526};
527
528PERIPHDRIVER_DECLARE(da, dadriver);
529
530static SLIST_HEAD(,da_softc) softc_list;
531
532static int
533daopen(struct disk *dp)
534{
535 struct cam_periph *periph;
536 struct da_softc *softc;
537 int unit;
538 int error;
539 int s;
540
541 s = splsoftcam();
542 periph = (struct cam_periph *)dp->d_drv1;
543 if (periph == NULL) {
544 splx(s);
545 return (ENXIO);
546 }
547 unit = periph->unit_number;
548
549 softc = (struct da_softc *)periph->softc;
550
551 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
552 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit,
553 unit));
554
555 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0)
556 return (error); /* error code from tsleep */
557
558 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
559 return(ENXIO);
560 softc->flags |= DA_FLAG_OPEN;
561
562 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
563 /* Invalidate our pack information. */
564 softc->flags &= ~DA_FLAG_PACK_INVALID;
565 }
566 splx(s);
567
568 error = dagetcapacity(periph);
569
570 if (error == 0) {
571
572 softc->disk->d_sectorsize = softc->params.secsize;
573 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
574 /* XXX: these are not actually "firmware" values, so they may be wrong */
575 softc->disk->d_fwsectors = softc->params.secs_per_track;
576 softc->disk->d_fwheads = softc->params.heads;
577 softc->disk->d_devstat->block_size = softc->params.secsize;
578 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
579 }
580
581 if (error == 0) {
582 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
583 (softc->quirks & DA_Q_NO_PREVENT) == 0)
584 daprevent(periph, PR_PREVENT);
585 } else {
586 softc->flags &= ~DA_FLAG_OPEN;
587 cam_periph_release(periph);
588 }
589 cam_periph_unlock(periph);
590 return (error);
591}
592
593static int
594daclose(struct disk *dp)
595{
596 struct cam_periph *periph;
597 struct da_softc *softc;
598 int error;
599
600 periph = (struct cam_periph *)dp->d_drv1;
601 if (periph == NULL)
602 return (ENXIO);
603
604 softc = (struct da_softc *)periph->softc;
605
606 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) {
607 return (error); /* error code from tsleep */
608 }
609
610 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
611 union ccb *ccb;
612
613 ccb = cam_periph_getccb(periph, /*priority*/1);
614
615 scsi_synchronize_cache(&ccb->csio,
616 /*retries*/1,
617 /*cbfcnp*/dadone,
618 MSG_SIMPLE_Q_TAG,
619 /*begin_lba*/0,/* Cover the whole disk */
620 /*lb_count*/0,
621 SSD_FULL_SIZE,
622 5 * 60 * 1000);
623
624 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
625 /*sense_flags*/SF_RETRY_UA,
626 softc->disk->d_devstat);
627
628 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
629 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
630 CAM_SCSI_STATUS_ERROR) {
631 int asc, ascq;
632 int sense_key, error_code;
633
634 scsi_extract_sense(&ccb->csio.sense_data,
635 &error_code,
636 &sense_key,
637 &asc, &ascq);
638 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
639 scsi_sense_print(&ccb->csio);
640 } else {
641 xpt_print_path(periph->path);
642 printf("Synchronize cache failed, status "
643 "== 0x%x, scsi status == 0x%x\n",
644 ccb->csio.ccb_h.status,
645 ccb->csio.scsi_status);
646 }
647 }
648
649 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
650 cam_release_devq(ccb->ccb_h.path,
651 /*relsim_flags*/0,
652 /*reduction*/0,
653 /*timeout*/0,
654 /*getcount_only*/0);
655
656 xpt_release_ccb(ccb);
657
658 }
659
660 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
661 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
662 daprevent(periph, PR_ALLOW);
663 /*
664 * If we've got removeable media, mark the blocksize as
665 * unavailable, since it could change when new media is
666 * inserted.
667 */
668 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
669 }
670
671 softc->flags &= ~DA_FLAG_OPEN;
672 cam_periph_unlock(periph);
673 cam_periph_release(periph);
674 return (0);
675}
676
677/*
678 * Actually translate the requested transfer into one the physical driver
679 * can understand. The transfer is described by a buf and will include
680 * only one physical transfer.
681 */
682static void
683dastrategy(struct bio *bp)
684{
685 struct cam_periph *periph;
686 struct da_softc *softc;
687 int s;
688
689 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
690 if (periph == NULL) {
691 biofinish(bp, NULL, ENXIO);
692 return;
693 }
694 softc = (struct da_softc *)periph->softc;
695#if 0
696 /*
697 * check it's not too big a transfer for our adapter
698 */
699 scsi_minphys(bp,&sd_switch);
700#endif
701
702 /*
703 * Mask interrupts so that the pack cannot be invalidated until
704 * after we are in the queue. Otherwise, we might not properly
705 * clean up one of the buffers.
706 */
707 s = splbio();
708
709 /*
710 * If the device has been made invalid, error out
711 */
712 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
713 splx(s);
714 biofinish(bp, NULL, ENXIO);
715 return;
716 }
717
718 /*
719 * Place it in the queue of disk activities for this disk
720 */
721 bioq_disksort(&softc->bio_queue, bp);
722
723 splx(s);
724
725 /*
726 * Schedule ourselves for performing the work.
727 */
728 xpt_schedule(periph, /* XXX priority */1);
729
730 return;
731}
732
733static int
734dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
735{
736 struct cam_periph *periph;
737 struct da_softc *softc;
738 u_int secsize;
739 struct ccb_scsiio csio;
740 struct disk *dp;
741
742 dp = arg;
743 periph = dp->d_drv1;
744 if (periph == NULL)
745 return (ENXIO);
746 softc = (struct da_softc *)periph->softc;
747 secsize = softc->params.secsize;
748
749 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
750 return (ENXIO);
751
752 if (length > 0) {
753 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
754 csio.ccb_h.ccb_state = DA_CCB_DUMP;
755 scsi_read_write(&csio,
756 /*retries*/1,
757 dadone,
758 MSG_ORDERED_Q_TAG,
759 /*read*/FALSE,
760 /*byte2*/0,
761 /*minimum_cmd_size*/ softc->minimum_cmd_size,
762 offset / secsize,
763 length / secsize,
764 /*data_ptr*/(u_int8_t *) virtual,
765 /*dxfer_len*/length,
766 /*sense_len*/SSD_FULL_SIZE,
767 DA_DEFAULT_TIMEOUT * 1000);
768 xpt_polled_action((union ccb *)&csio);
769
770 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
771 printf("Aborting dump due to I/O error.\n");
772 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
773 CAM_SCSI_STATUS_ERROR)
774 scsi_sense_print(&csio);
775 else
776 printf("status == 0x%x, scsi status == 0x%x\n",
777 csio.ccb_h.status, csio.scsi_status);
778 return(EIO);
779 }
780 return(0);
781 }
782
783 /*
784 * Sync the disk cache contents to the physical media.
785 */
786 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
787
788 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
789 csio.ccb_h.ccb_state = DA_CCB_DUMP;
790 scsi_synchronize_cache(&csio,
791 /*retries*/1,
792 /*cbfcnp*/dadone,
793 MSG_SIMPLE_Q_TAG,
794 /*begin_lba*/0,/* Cover the whole disk */
795 /*lb_count*/0,
796 SSD_FULL_SIZE,
797 5 * 60 * 1000);
798 xpt_polled_action((union ccb *)&csio);
799
800 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
801 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
802 CAM_SCSI_STATUS_ERROR) {
803 int asc, ascq;
804 int sense_key, error_code;
805
806 scsi_extract_sense(&csio.sense_data,
807 &error_code,
808 &sense_key,
809 &asc, &ascq);
810 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
811 scsi_sense_print(&csio);
812 } else {
813 xpt_print_path(periph->path);
814 printf("Synchronize cache failed, status "
815 "== 0x%x, scsi status == 0x%x\n",
816 csio.ccb_h.status, csio.scsi_status);
817 }
818 }
819 }
820 return (0);
821}
822
823static void
824dainit(void)
825{
826 cam_status status;
827 struct cam_path *path;
828
829 SLIST_INIT(&softc_list);
830
831 /*
832 * Install a global async callback. This callback will
833 * receive async callbacks like "new device found".
834 */
835 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
836 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
837
838 if (status == CAM_REQ_CMP) {
839 struct ccb_setasync csa;
840
841 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
842 csa.ccb_h.func_code = XPT_SASYNC_CB;
843 csa.event_enable = AC_FOUND_DEVICE;
844 csa.callback = daasync;
845 csa.callback_arg = NULL;
846 xpt_action((union ccb *)&csa);
847 status = csa.ccb_h.status;
848 xpt_free_path(path);
849 }
850
851 if (status != CAM_REQ_CMP) {
852 printf("da: Failed to attach master async callback "
853 "due to status 0x%x!\n", status);
854 } else {
855
856 /*
857 * Schedule a periodic event to occasionally send an
858 * ordered tag to a device.
859 */
860 timeout(dasendorderedtag, NULL,
861 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
862
863 /* Register our shutdown event handler */
864 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
865 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
866 printf("dainit: shutdown event registration failed!\n");
867 }
868}
869
870static void
871daoninvalidate(struct cam_periph *periph)
872{
873 int s;
874 struct da_softc *softc;
875 struct ccb_setasync csa;
876
877 softc = (struct da_softc *)periph->softc;
878
879 /*
880 * De-register any async callbacks.
881 */
882 xpt_setup_ccb(&csa.ccb_h, periph->path,
883 /* priority */ 5);
884 csa.ccb_h.func_code = XPT_SASYNC_CB;
885 csa.event_enable = 0;
886 csa.callback = daasync;
887 csa.callback_arg = periph;
888 xpt_action((union ccb *)&csa);
889
890 softc->flags |= DA_FLAG_PACK_INVALID;
891
892 /*
893 * Although the oninvalidate() routines are always called at
894 * splsoftcam, we need to be at splbio() here to keep the buffer
895 * queue from being modified while we traverse it.
896 */
897 s = splbio();
898
899 /*
900 * Return all queued I/O with ENXIO.
901 * XXX Handle any transactions queued to the card
902 * with XPT_ABORT_CCB.
903 */
904 bioq_flush(&softc->bio_queue, NULL, ENXIO);
905 splx(s);
906
907 SLIST_REMOVE(&softc_list, softc, da_softc, links);
908
909 disk_gone(softc->disk);
910 xpt_print_path(periph->path);
911 printf("lost device\n");
912}
913
914static void
915dacleanup(struct cam_periph *periph)
916{
917 struct da_softc *softc;
918
919 softc = (struct da_softc *)periph->softc;
920
921 xpt_print_path(periph->path);
922 printf("removing device entry\n");
923 /*
924 * If we can't free the sysctl tree, oh well...
925 */
926 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
927 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
928 xpt_print_path(periph->path);
929 printf("can't remove sysctl context\n");
930 }
931 disk_destroy(softc->disk);
932 free(softc, M_DEVBUF);
933}
934
935static void
936daasync(void *callback_arg, u_int32_t code,
937 struct cam_path *path, void *arg)
938{
939 struct cam_periph *periph;
940
941 periph = (struct cam_periph *)callback_arg;
942 switch (code) {
943 case AC_FOUND_DEVICE:
944 {
945 struct ccb_getdev *cgd;
946 cam_status status;
947
948 cgd = (struct ccb_getdev *)arg;
949 if (cgd == NULL)
950 break;
951
952 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
953 && SID_TYPE(&cgd->inq_data) != T_RBC
954 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
955 break;
956
957 /*
958 * Allocate a peripheral instance for
959 * this device and start the probe
960 * process.
961 */
962 status = cam_periph_alloc(daregister, daoninvalidate,
963 dacleanup, dastart,
964 "da", CAM_PERIPH_BIO,
965 cgd->ccb_h.path, daasync,
966 AC_FOUND_DEVICE, cgd);
967
968 if (status != CAM_REQ_CMP
969 && status != CAM_REQ_INPROG)
970 printf("daasync: Unable to attach to new device "
971 "due to status 0x%x\n", status);
972 break;
973 }
974 case AC_SENT_BDR:
975 case AC_BUS_RESET:
976 {
977 struct da_softc *softc;
978 struct ccb_hdr *ccbh;
979 int s;
980
981 softc = (struct da_softc *)periph->softc;
982 s = splsoftcam();
983 /*
984 * Don't fail on the expected unit attention
985 * that will occur.
986 */
987 softc->flags |= DA_FLAG_RETRY_UA;
988 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
989 ccbh->ccb_state |= DA_CCB_RETRY_UA;
990 splx(s);
991 /* FALLTHROUGH*/
992 }
993 default:
994 cam_periph_async(periph, code, path, arg);
995 break;
996 }
997}
998
999static void
1000dasysctlinit(void *context, int pending)
1001{
1002 struct cam_periph *periph;
1003 struct da_softc *softc;
1004 char tmpstr[80], tmpstr2[80];
1005
1006 periph = (struct cam_periph *)context;
1007 softc = (struct da_softc *)periph->softc;
1008
1009 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1010 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1011
1012 mtx_lock(&Giant);
1013 sysctl_ctx_init(&softc->sysctl_ctx);
1014 softc->flags |= DA_FLAG_SCTX_INIT;
1015 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1016 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1017 CTLFLAG_RD, 0, tmpstr);
1018 if (softc->sysctl_tree == NULL) {
1019 printf("dasysctlinit: unable to allocate sysctl tree\n");
1020 mtx_unlock(&Giant);
1021 return;
1022 }
1023
1024 /*
1025 * Now register the sysctl handler, so the user can the value on
1026 * the fly.
1027 */
1028 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1029 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1030 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1031 "Minimum CDB size");
1032
1033 mtx_unlock(&Giant);
1034}
1035
1036static int
1037dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1038{
1039 int error, value;
1040
1041 value = *(int *)arg1;
1042
1043 error = sysctl_handle_int(oidp, &value, 0, req);
1044
1045 if ((error != 0)
1046 || (req->newptr == NULL))
1047 return (error);
1048
1049 /*
1050 * Acceptable values here are 6, 10, 12 or 16.
1051 */
1052 if (value < 6)
1053 value = 6;
1054 else if ((value > 6)
1055 && (value <= 10))
1056 value = 10;
1057 else if ((value > 10)
1058 && (value <= 12))
1059 value = 12;
1060 else if (value > 12)
1061 value = 16;
1062
1063 *(int *)arg1 = value;
1064
1065 return (0);
1066}
1067
1068static cam_status
1069daregister(struct cam_periph *periph, void *arg)
1070{
1071 int s;
1072 struct da_softc *softc;
1073 struct ccb_setasync csa;
1074 struct ccb_pathinq cpi;
1075 struct ccb_getdev *cgd;
1076 char tmpstr[80];
1077 caddr_t match;
1078
1079 cgd = (struct ccb_getdev *)arg;
1080 if (periph == NULL) {
1081 printf("daregister: periph was NULL!!\n");
1082 return(CAM_REQ_CMP_ERR);
1083 }
1084
1085 if (cgd == NULL) {
1086 printf("daregister: no getdev CCB, can't register device\n");
1087 return(CAM_REQ_CMP_ERR);
1088 }
1089
1090 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1091 M_NOWAIT|M_ZERO);
1092
1093 if (softc == NULL) {
1094 printf("daregister: Unable to probe new device. "
1095 "Unable to allocate softc\n");
1096 return(CAM_REQ_CMP_ERR);
1097 }
1098
1099 LIST_INIT(&softc->pending_ccbs);
1100 softc->state = DA_STATE_PROBE;
1101 bioq_init(&softc->bio_queue);
1102 if (SID_IS_REMOVABLE(&cgd->inq_data))
1103 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1104 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1105 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1106
1107 periph->softc = softc;
1108
1109 /*
1110 * See if this device has any quirks.
1111 */
1112 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1113 (caddr_t)da_quirk_table,
1114 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1115 sizeof(*da_quirk_table), scsi_inquiry_match);
1116
1117 if (match != NULL)
1118 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1119 else
1120 softc->quirks = DA_Q_NONE;
1121
1122 /* Check if the SIM does not want 6 byte commands */
1123 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
1124 cpi.ccb_h.func_code = XPT_PATH_INQ;
1125 xpt_action((union ccb *)&cpi);
1126 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1127 softc->quirks |= DA_Q_NO_6_BYTE;
1128
1129 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1130
1131 /*
1132 * RBC devices don't have to support READ(6), only READ(10).
1133 */
1134 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1135 softc->minimum_cmd_size = 10;
1136 else
1137 softc->minimum_cmd_size = 6;
1138
1139 /*
1140 * Load the user's default, if any.
1141 */
1142 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1143 periph->unit_number);
1144 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1145
1146 /*
1147 * 6, 10, 12 and 16 are the currently permissible values.
1148 */
1149 if (softc->minimum_cmd_size < 6)
1150 softc->minimum_cmd_size = 6;
1151 else if ((softc->minimum_cmd_size > 6)
1152 && (softc->minimum_cmd_size <= 10))
1153 softc->minimum_cmd_size = 10;
1154 else if ((softc->minimum_cmd_size > 10)
1155 && (softc->minimum_cmd_size <= 12))
1156 softc->minimum_cmd_size = 12;
1157 else if (softc->minimum_cmd_size > 12)
1158 softc->minimum_cmd_size = 16;
1159
1160 /*
1161 * Block our timeout handler while we
1162 * add this softc to the dev list.
1163 */
1164 s = splsoftclock();
1165 SLIST_INSERT_HEAD(&softc_list, softc, links);
1166 splx(s);
1167
1168 /*
1169 * Register this media as a disk
1170 */
1171
1172 softc->disk = disk_alloc();
1173 softc->disk->d_open = daopen;
1174 softc->disk->d_close = daclose;
1175 softc->disk->d_strategy = dastrategy;
1176 softc->disk->d_dump = dadump;
1177 softc->disk->d_name = "da";
1178 softc->disk->d_drv1 = periph;
1179 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */
1180 softc->disk->d_unit = periph->unit_number;
1181 softc->disk->d_flags = DISKFLAG_NEEDSGIANT;
| 31
32#include <sys/param.h>
33
34#ifdef _KERNEL
35#include <sys/systm.h>
36#include <sys/kernel.h>
37#include <sys/bio.h>
38#include <sys/sysctl.h>
39#include <sys/taskqueue.h>
40#endif /* _KERNEL */
41
42#include <sys/devicestat.h>
43#include <sys/conf.h>
44#include <sys/eventhandler.h>
45#include <sys/malloc.h>
46#include <sys/cons.h>
47
48#include <machine/md_var.h>
49
50#include <vm/vm.h>
51#include <vm/pmap.h>
52
53#include <geom/geom_disk.h>
54
55#ifndef _KERNEL
56#include <stdio.h>
57#include <string.h>
58#endif /* _KERNEL */
59
60#include <cam/cam.h>
61#include <cam/cam_ccb.h>
62#include <cam/cam_periph.h>
63#include <cam/cam_xpt_periph.h>
64
65#include <cam/scsi/scsi_message.h>
66
67#ifndef _KERNEL
68#include <cam/scsi/scsi_da.h>
69#endif /* !_KERNEL */
70
71#ifdef _KERNEL
72typedef enum {
73 DA_STATE_PROBE,
74 DA_STATE_PROBE2,
75 DA_STATE_NORMAL
76} da_state;
77
78typedef enum {
79 DA_FLAG_PACK_INVALID = 0x001,
80 DA_FLAG_NEW_PACK = 0x002,
81 DA_FLAG_PACK_LOCKED = 0x004,
82 DA_FLAG_PACK_REMOVABLE = 0x008,
83 DA_FLAG_TAGGED_QUEUING = 0x010,
84 DA_FLAG_NEED_OTAG = 0x020,
85 DA_FLAG_WENT_IDLE = 0x040,
86 DA_FLAG_RETRY_UA = 0x080,
87 DA_FLAG_OPEN = 0x100,
88 DA_FLAG_SCTX_INIT = 0x200
89} da_flags;
90
91typedef enum {
92 DA_Q_NONE = 0x00,
93 DA_Q_NO_SYNC_CACHE = 0x01,
94 DA_Q_NO_6_BYTE = 0x02,
95 DA_Q_NO_PREVENT = 0x04
96} da_quirks;
97
98typedef enum {
99 DA_CCB_PROBE = 0x01,
100 DA_CCB_PROBE2 = 0x02,
101 DA_CCB_BUFFER_IO = 0x03,
102 DA_CCB_WAITING = 0x04,
103 DA_CCB_DUMP = 0x05,
104 DA_CCB_TYPE_MASK = 0x0F,
105 DA_CCB_RETRY_UA = 0x10
106} da_ccb_state;
107
108/* Offsets into our private area for storing information */
109#define ccb_state ppriv_field0
110#define ccb_bp ppriv_ptr1
111
112struct disk_params {
113 u_int8_t heads;
114 u_int32_t cylinders;
115 u_int8_t secs_per_track;
116 u_int32_t secsize; /* Number of bytes/sector */
117 u_int64_t sectors; /* total number sectors */
118};
119
120struct da_softc {
121 struct bio_queue_head bio_queue;
122 SLIST_ENTRY(da_softc) links;
123 LIST_HEAD(, ccb_hdr) pending_ccbs;
124 da_state state;
125 da_flags flags;
126 da_quirks quirks;
127 int minimum_cmd_size;
128 int ordered_tag_count;
129 int outstanding_cmds;
130 struct disk_params params;
131 struct disk *disk;
132 union ccb saved_ccb;
133 struct task sysctl_task;
134 struct sysctl_ctx_list sysctl_ctx;
135 struct sysctl_oid *sysctl_tree;
136};
137
138struct da_quirk_entry {
139 struct scsi_inquiry_pattern inq_pat;
140 da_quirks quirks;
141};
142
143static const char quantum[] = "QUANTUM";
144static const char microp[] = "MICROP";
145
146static struct da_quirk_entry da_quirk_table[] =
147{
148 /* SPI, FC devices */
149 {
150 /*
151 * Fujitsu M2513A MO drives.
152 * Tested devices: M2513A2 firmware versions 1200 & 1300.
153 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
154 * Reported by: W.Scholten <whs@xs4all.nl>
155 */
156 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
157 /*quirks*/ DA_Q_NO_SYNC_CACHE
158 },
159 {
160 /* See above. */
161 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
162 /*quirks*/ DA_Q_NO_SYNC_CACHE
163 },
164 {
165 /*
166 * This particular Fujitsu drive doesn't like the
167 * synchronize cache command.
168 * Reported by: Tom Jackson <toj@gorilla.net>
169 */
170 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
171 /*quirks*/ DA_Q_NO_SYNC_CACHE
172
173 },
174 {
175 /*
176 * This drive doesn't like the synchronize cache command
177 * either. Reported by: Matthew Jacob <mjacob@feral.com>
178 * in NetBSD PR kern/6027, August 24, 1998.
179 */
180 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
181 /*quirks*/ DA_Q_NO_SYNC_CACHE
182 },
183 {
184 /*
185 * This drive doesn't like the synchronize cache command
186 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
187 * (PR 8882).
188 */
189 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
190 /*quirks*/ DA_Q_NO_SYNC_CACHE
191 },
192 {
193 /*
194 * Doesn't like the synchronize cache command.
195 * Reported by: Blaz Zupan <blaz@gold.amis.net>
196 */
197 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
198 /*quirks*/ DA_Q_NO_SYNC_CACHE
199 },
200 {
201 /*
202 * Doesn't like the synchronize cache command.
203 * Reported by: Blaz Zupan <blaz@gold.amis.net>
204 */
205 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
206 /*quirks*/ DA_Q_NO_SYNC_CACHE
207 },
208 {
209 /*
210 * Doesn't like the synchronize cache command.
211 */
212 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
213 /*quirks*/ DA_Q_NO_SYNC_CACHE
214 },
215 {
216 /*
217 * Doesn't like the synchronize cache command.
218 * Reported by: walter@pelissero.de
219 */
220 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
221 /*quirks*/ DA_Q_NO_SYNC_CACHE
222 },
223 {
224 /*
225 * Doesn't work correctly with 6 byte reads/writes.
226 * Returns illegal request, and points to byte 9 of the
227 * 6-byte CDB.
228 * Reported by: Adam McDougall <bsdx@spawnet.com>
229 */
230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
231 /*quirks*/ DA_Q_NO_6_BYTE
232 },
233 {
234 /* See above. */
235 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
236 /*quirks*/ DA_Q_NO_6_BYTE
237 },
238 {
239 /*
240 * Doesn't like the synchronize cache command.
241 * Reported by: walter@pelissero.de
242 */
243 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
244 /*quirks*/ DA_Q_NO_SYNC_CACHE
245 },
246 {
247 /*
248 * The CISS RAID controllers do not support SYNC_CACHE
249 */
250 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
251 /*quirks*/ DA_Q_NO_SYNC_CACHE
252 },
253 /* USB mass storage devices supported by umass(4) */
254 {
255 /*
256 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
257 * PR: kern/51675
258 */
259 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
260 /*quirks*/ DA_Q_NO_SYNC_CACHE
261 },
262 {
263 /*
264 * Power Quotient Int. (PQI) USB flash key
265 * PR: kern/53067
266 */
267 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
268 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
269 },
270 {
271 /*
272 * Creative Nomad MUVO mp3 player (USB)
273 * PR: kern/53094
274 */
275 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
276 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
277 },
278 {
279 /*
280 * Jungsoft NEXDISK USB flash key
281 * PR: kern/54737
282 */
283 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
284 /*quirks*/ DA_Q_NO_SYNC_CACHE
285 },
286 {
287 /*
288 * FreeDik USB Mini Data Drive
289 * PR: kern/54786
290 */
291 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
292 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
293 },
294 {
295 /*
296 * Sigmatel USB Flash MP3 Player
297 * PR: kern/57046
298 */
299 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
300 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
301 },
302 {
303 /*
304 * Neuros USB Digital Audio Computer
305 * PR: kern/63645
306 */
307 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
308 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
309 },
310 {
311 /*
312 * SEAGRAND NP-900 MP3 Player
313 * PR: kern/64563
314 */
315 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
316 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
317 },
318 {
319 /*
320 * iRiver iFP MP3 player (with UMS Firmware)
321 * PR: kern/54881, i386/63941, kern/66124
322 */
323 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
324 /*quirks*/ DA_Q_NO_SYNC_CACHE
325 },
326 {
327 /*
328 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
329 * PR: kern/70158
330 */
331 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
332 /*quirks*/ DA_Q_NO_SYNC_CACHE
333 },
334 {
335 /*
336 * ZICPlay USB MP3 Player with FM
337 * PR: kern/75057
338 */
339 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
340 /*quirks*/ DA_Q_NO_SYNC_CACHE
341 },
342 {
343 /*
344 * TEAC USB floppy mechanisms
345 */
346 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
347 /*quirks*/ DA_Q_NO_SYNC_CACHE
348 },
349 {
350 /*
351 * Kingston DataTraveler II+ USB Pen-Drive.
352 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
353 */
354 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
355 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
356 },
357 {
358 /*
359 * Motorola E398 Mobile Phone (TransFlash memory card).
360 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
361 * PR: usb/89889
362 */
363 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
364 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
365 },
366 {
367 /*
368 * Qware BeatZkey! Pro
369 * PR: usb/79164
370 */
371 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
372 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
373 },
374 {
375 /*
376 * Time DPA20B 1GB MP3 Player
377 * PR: usb/81846
378 */
379 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
380 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
381 },
382 {
383 /*
384 * Samsung USB key 128Mb
385 * PR: usb/90081
386 */
387 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
388 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
389 },
390 {
391 /*
392 * Kingston DataTraveler 2.0 USB Flash memory.
393 * PR: usb/89196
394 */
395 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
396 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
397 },
398 {
399 /*
400 * Creative MUVO Slim mp3 player (USB)
401 * PR: usb/86131
402 */
403 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
404 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
405 },
406 {
407 /*
408 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
409 * PR: usb/80487
410 */
411 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
412 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
413 },
414 {
415 /*
416 * SanDisk Micro Cruzer 128MB
417 * PR: usb/75970
418 */
419 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
420 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
421 },
422 {
423 /*
424 * TOSHIBA TransMemory USB sticks
425 * PR: kern/94660
426 */
427 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
428 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
429 },
430 {
431 /*
432 * PNY USB Flash keys
433 * PR: usb/75578, usb/72344, usb/65436
434 */
435 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
436 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
437 },
438 {
439 /*
440 * Genesys 6-in-1 Card Reader
441 * PR: usb/94647
442 */
443 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
444 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
445 },
446 {
447 /*
448 * Rekam Digital CAMERA
449 * PR: usb/98713
450 */
451 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
452 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
453 },
454 {
455 /*
456 * iRiver H10 MP3 player
457 * PR: usb/102547
458 */
459 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
460 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
461 },
462};
463
464static disk_strategy_t dastrategy;
465static dumper_t dadump;
466static periph_init_t dainit;
467static void daasync(void *callback_arg, u_int32_t code,
468 struct cam_path *path, void *arg);
469static void dasysctlinit(void *context, int pending);
470static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
471static periph_ctor_t daregister;
472static periph_dtor_t dacleanup;
473static periph_start_t dastart;
474static periph_oninv_t daoninvalidate;
475static void dadone(struct cam_periph *periph,
476 union ccb *done_ccb);
477static int daerror(union ccb *ccb, u_int32_t cam_flags,
478 u_int32_t sense_flags);
479static void daprevent(struct cam_periph *periph, int action);
480static int dagetcapacity(struct cam_periph *periph);
481static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
482 uint64_t maxsector);
483static timeout_t dasendorderedtag;
484static void dashutdown(void *arg, int howto);
485
486#ifndef DA_DEFAULT_TIMEOUT
487#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
488#endif
489
490#ifndef DA_DEFAULT_RETRY
491#define DA_DEFAULT_RETRY 4
492#endif
493
494static int da_retry_count = DA_DEFAULT_RETRY;
495static int da_default_timeout = DA_DEFAULT_TIMEOUT;
496
497SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
498 "CAM Direct Access Disk driver");
499SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
500 &da_retry_count, 0, "Normal I/O retry count");
501TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
502SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
503 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
504TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
505
506/*
507 * DA_ORDEREDTAG_INTERVAL determines how often, relative
508 * to the default timeout, we check to see whether an ordered
509 * tagged transaction is appropriate to prevent simple tag
510 * starvation. Since we'd like to ensure that there is at least
511 * 1/2 of the timeout length left for a starved transaction to
512 * complete after we've sent an ordered tag, we must poll at least
513 * four times in every timeout period. This takes care of the worst
514 * case where a starved transaction starts during an interval that
515 * meets the requirement "don't send an ordered tag" test so it takes
516 * us two intervals to determine that a tag must be sent.
517 */
518#ifndef DA_ORDEREDTAG_INTERVAL
519#define DA_ORDEREDTAG_INTERVAL 4
520#endif
521
522static struct periph_driver dadriver =
523{
524 dainit, "da",
525 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
526};
527
528PERIPHDRIVER_DECLARE(da, dadriver);
529
530static SLIST_HEAD(,da_softc) softc_list;
531
532static int
533daopen(struct disk *dp)
534{
535 struct cam_periph *periph;
536 struct da_softc *softc;
537 int unit;
538 int error;
539 int s;
540
541 s = splsoftcam();
542 periph = (struct cam_periph *)dp->d_drv1;
543 if (periph == NULL) {
544 splx(s);
545 return (ENXIO);
546 }
547 unit = periph->unit_number;
548
549 softc = (struct da_softc *)periph->softc;
550
551 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
552 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit,
553 unit));
554
555 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0)
556 return (error); /* error code from tsleep */
557
558 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
559 return(ENXIO);
560 softc->flags |= DA_FLAG_OPEN;
561
562 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
563 /* Invalidate our pack information. */
564 softc->flags &= ~DA_FLAG_PACK_INVALID;
565 }
566 splx(s);
567
568 error = dagetcapacity(periph);
569
570 if (error == 0) {
571
572 softc->disk->d_sectorsize = softc->params.secsize;
573 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
574 /* XXX: these are not actually "firmware" values, so they may be wrong */
575 softc->disk->d_fwsectors = softc->params.secs_per_track;
576 softc->disk->d_fwheads = softc->params.heads;
577 softc->disk->d_devstat->block_size = softc->params.secsize;
578 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
579 }
580
581 if (error == 0) {
582 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
583 (softc->quirks & DA_Q_NO_PREVENT) == 0)
584 daprevent(periph, PR_PREVENT);
585 } else {
586 softc->flags &= ~DA_FLAG_OPEN;
587 cam_periph_release(periph);
588 }
589 cam_periph_unlock(periph);
590 return (error);
591}
592
593static int
594daclose(struct disk *dp)
595{
596 struct cam_periph *periph;
597 struct da_softc *softc;
598 int error;
599
600 periph = (struct cam_periph *)dp->d_drv1;
601 if (periph == NULL)
602 return (ENXIO);
603
604 softc = (struct da_softc *)periph->softc;
605
606 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) {
607 return (error); /* error code from tsleep */
608 }
609
610 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
611 union ccb *ccb;
612
613 ccb = cam_periph_getccb(periph, /*priority*/1);
614
615 scsi_synchronize_cache(&ccb->csio,
616 /*retries*/1,
617 /*cbfcnp*/dadone,
618 MSG_SIMPLE_Q_TAG,
619 /*begin_lba*/0,/* Cover the whole disk */
620 /*lb_count*/0,
621 SSD_FULL_SIZE,
622 5 * 60 * 1000);
623
624 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
625 /*sense_flags*/SF_RETRY_UA,
626 softc->disk->d_devstat);
627
628 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
629 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
630 CAM_SCSI_STATUS_ERROR) {
631 int asc, ascq;
632 int sense_key, error_code;
633
634 scsi_extract_sense(&ccb->csio.sense_data,
635 &error_code,
636 &sense_key,
637 &asc, &ascq);
638 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
639 scsi_sense_print(&ccb->csio);
640 } else {
641 xpt_print_path(periph->path);
642 printf("Synchronize cache failed, status "
643 "== 0x%x, scsi status == 0x%x\n",
644 ccb->csio.ccb_h.status,
645 ccb->csio.scsi_status);
646 }
647 }
648
649 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
650 cam_release_devq(ccb->ccb_h.path,
651 /*relsim_flags*/0,
652 /*reduction*/0,
653 /*timeout*/0,
654 /*getcount_only*/0);
655
656 xpt_release_ccb(ccb);
657
658 }
659
660 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
661 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
662 daprevent(periph, PR_ALLOW);
663 /*
664 * If we've got removeable media, mark the blocksize as
665 * unavailable, since it could change when new media is
666 * inserted.
667 */
668 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
669 }
670
671 softc->flags &= ~DA_FLAG_OPEN;
672 cam_periph_unlock(periph);
673 cam_periph_release(periph);
674 return (0);
675}
676
677/*
678 * Actually translate the requested transfer into one the physical driver
679 * can understand. The transfer is described by a buf and will include
680 * only one physical transfer.
681 */
682static void
683dastrategy(struct bio *bp)
684{
685 struct cam_periph *periph;
686 struct da_softc *softc;
687 int s;
688
689 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
690 if (periph == NULL) {
691 biofinish(bp, NULL, ENXIO);
692 return;
693 }
694 softc = (struct da_softc *)periph->softc;
695#if 0
696 /*
697 * check it's not too big a transfer for our adapter
698 */
699 scsi_minphys(bp,&sd_switch);
700#endif
701
702 /*
703 * Mask interrupts so that the pack cannot be invalidated until
704 * after we are in the queue. Otherwise, we might not properly
705 * clean up one of the buffers.
706 */
707 s = splbio();
708
709 /*
710 * If the device has been made invalid, error out
711 */
712 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
713 splx(s);
714 biofinish(bp, NULL, ENXIO);
715 return;
716 }
717
718 /*
719 * Place it in the queue of disk activities for this disk
720 */
721 bioq_disksort(&softc->bio_queue, bp);
722
723 splx(s);
724
725 /*
726 * Schedule ourselves for performing the work.
727 */
728 xpt_schedule(periph, /* XXX priority */1);
729
730 return;
731}
732
733static int
734dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
735{
736 struct cam_periph *periph;
737 struct da_softc *softc;
738 u_int secsize;
739 struct ccb_scsiio csio;
740 struct disk *dp;
741
742 dp = arg;
743 periph = dp->d_drv1;
744 if (periph == NULL)
745 return (ENXIO);
746 softc = (struct da_softc *)periph->softc;
747 secsize = softc->params.secsize;
748
749 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
750 return (ENXIO);
751
752 if (length > 0) {
753 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
754 csio.ccb_h.ccb_state = DA_CCB_DUMP;
755 scsi_read_write(&csio,
756 /*retries*/1,
757 dadone,
758 MSG_ORDERED_Q_TAG,
759 /*read*/FALSE,
760 /*byte2*/0,
761 /*minimum_cmd_size*/ softc->minimum_cmd_size,
762 offset / secsize,
763 length / secsize,
764 /*data_ptr*/(u_int8_t *) virtual,
765 /*dxfer_len*/length,
766 /*sense_len*/SSD_FULL_SIZE,
767 DA_DEFAULT_TIMEOUT * 1000);
768 xpt_polled_action((union ccb *)&csio);
769
770 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
771 printf("Aborting dump due to I/O error.\n");
772 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
773 CAM_SCSI_STATUS_ERROR)
774 scsi_sense_print(&csio);
775 else
776 printf("status == 0x%x, scsi status == 0x%x\n",
777 csio.ccb_h.status, csio.scsi_status);
778 return(EIO);
779 }
780 return(0);
781 }
782
783 /*
784 * Sync the disk cache contents to the physical media.
785 */
786 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
787
788 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
789 csio.ccb_h.ccb_state = DA_CCB_DUMP;
790 scsi_synchronize_cache(&csio,
791 /*retries*/1,
792 /*cbfcnp*/dadone,
793 MSG_SIMPLE_Q_TAG,
794 /*begin_lba*/0,/* Cover the whole disk */
795 /*lb_count*/0,
796 SSD_FULL_SIZE,
797 5 * 60 * 1000);
798 xpt_polled_action((union ccb *)&csio);
799
800 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
801 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
802 CAM_SCSI_STATUS_ERROR) {
803 int asc, ascq;
804 int sense_key, error_code;
805
806 scsi_extract_sense(&csio.sense_data,
807 &error_code,
808 &sense_key,
809 &asc, &ascq);
810 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
811 scsi_sense_print(&csio);
812 } else {
813 xpt_print_path(periph->path);
814 printf("Synchronize cache failed, status "
815 "== 0x%x, scsi status == 0x%x\n",
816 csio.ccb_h.status, csio.scsi_status);
817 }
818 }
819 }
820 return (0);
821}
822
823static void
824dainit(void)
825{
826 cam_status status;
827 struct cam_path *path;
828
829 SLIST_INIT(&softc_list);
830
831 /*
832 * Install a global async callback. This callback will
833 * receive async callbacks like "new device found".
834 */
835 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
836 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
837
838 if (status == CAM_REQ_CMP) {
839 struct ccb_setasync csa;
840
841 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
842 csa.ccb_h.func_code = XPT_SASYNC_CB;
843 csa.event_enable = AC_FOUND_DEVICE;
844 csa.callback = daasync;
845 csa.callback_arg = NULL;
846 xpt_action((union ccb *)&csa);
847 status = csa.ccb_h.status;
848 xpt_free_path(path);
849 }
850
851 if (status != CAM_REQ_CMP) {
852 printf("da: Failed to attach master async callback "
853 "due to status 0x%x!\n", status);
854 } else {
855
856 /*
857 * Schedule a periodic event to occasionally send an
858 * ordered tag to a device.
859 */
860 timeout(dasendorderedtag, NULL,
861 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
862
863 /* Register our shutdown event handler */
864 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
865 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
866 printf("dainit: shutdown event registration failed!\n");
867 }
868}
869
870static void
871daoninvalidate(struct cam_periph *periph)
872{
873 int s;
874 struct da_softc *softc;
875 struct ccb_setasync csa;
876
877 softc = (struct da_softc *)periph->softc;
878
879 /*
880 * De-register any async callbacks.
881 */
882 xpt_setup_ccb(&csa.ccb_h, periph->path,
883 /* priority */ 5);
884 csa.ccb_h.func_code = XPT_SASYNC_CB;
885 csa.event_enable = 0;
886 csa.callback = daasync;
887 csa.callback_arg = periph;
888 xpt_action((union ccb *)&csa);
889
890 softc->flags |= DA_FLAG_PACK_INVALID;
891
892 /*
893 * Although the oninvalidate() routines are always called at
894 * splsoftcam, we need to be at splbio() here to keep the buffer
895 * queue from being modified while we traverse it.
896 */
897 s = splbio();
898
899 /*
900 * Return all queued I/O with ENXIO.
901 * XXX Handle any transactions queued to the card
902 * with XPT_ABORT_CCB.
903 */
904 bioq_flush(&softc->bio_queue, NULL, ENXIO);
905 splx(s);
906
907 SLIST_REMOVE(&softc_list, softc, da_softc, links);
908
909 disk_gone(softc->disk);
910 xpt_print_path(periph->path);
911 printf("lost device\n");
912}
913
914static void
915dacleanup(struct cam_periph *periph)
916{
917 struct da_softc *softc;
918
919 softc = (struct da_softc *)periph->softc;
920
921 xpt_print_path(periph->path);
922 printf("removing device entry\n");
923 /*
924 * If we can't free the sysctl tree, oh well...
925 */
926 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
927 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
928 xpt_print_path(periph->path);
929 printf("can't remove sysctl context\n");
930 }
931 disk_destroy(softc->disk);
932 free(softc, M_DEVBUF);
933}
934
935static void
936daasync(void *callback_arg, u_int32_t code,
937 struct cam_path *path, void *arg)
938{
939 struct cam_periph *periph;
940
941 periph = (struct cam_periph *)callback_arg;
942 switch (code) {
943 case AC_FOUND_DEVICE:
944 {
945 struct ccb_getdev *cgd;
946 cam_status status;
947
948 cgd = (struct ccb_getdev *)arg;
949 if (cgd == NULL)
950 break;
951
952 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
953 && SID_TYPE(&cgd->inq_data) != T_RBC
954 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
955 break;
956
957 /*
958 * Allocate a peripheral instance for
959 * this device and start the probe
960 * process.
961 */
962 status = cam_periph_alloc(daregister, daoninvalidate,
963 dacleanup, dastart,
964 "da", CAM_PERIPH_BIO,
965 cgd->ccb_h.path, daasync,
966 AC_FOUND_DEVICE, cgd);
967
968 if (status != CAM_REQ_CMP
969 && status != CAM_REQ_INPROG)
970 printf("daasync: Unable to attach to new device "
971 "due to status 0x%x\n", status);
972 break;
973 }
974 case AC_SENT_BDR:
975 case AC_BUS_RESET:
976 {
977 struct da_softc *softc;
978 struct ccb_hdr *ccbh;
979 int s;
980
981 softc = (struct da_softc *)periph->softc;
982 s = splsoftcam();
983 /*
984 * Don't fail on the expected unit attention
985 * that will occur.
986 */
987 softc->flags |= DA_FLAG_RETRY_UA;
988 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
989 ccbh->ccb_state |= DA_CCB_RETRY_UA;
990 splx(s);
991 /* FALLTHROUGH*/
992 }
993 default:
994 cam_periph_async(periph, code, path, arg);
995 break;
996 }
997}
998
999static void
1000dasysctlinit(void *context, int pending)
1001{
1002 struct cam_periph *periph;
1003 struct da_softc *softc;
1004 char tmpstr[80], tmpstr2[80];
1005
1006 periph = (struct cam_periph *)context;
1007 softc = (struct da_softc *)periph->softc;
1008
1009 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1010 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1011
1012 mtx_lock(&Giant);
1013 sysctl_ctx_init(&softc->sysctl_ctx);
1014 softc->flags |= DA_FLAG_SCTX_INIT;
1015 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1016 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1017 CTLFLAG_RD, 0, tmpstr);
1018 if (softc->sysctl_tree == NULL) {
1019 printf("dasysctlinit: unable to allocate sysctl tree\n");
1020 mtx_unlock(&Giant);
1021 return;
1022 }
1023
1024 /*
1025 * Now register the sysctl handler, so the user can the value on
1026 * the fly.
1027 */
1028 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1029 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1030 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1031 "Minimum CDB size");
1032
1033 mtx_unlock(&Giant);
1034}
1035
1036static int
1037dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1038{
1039 int error, value;
1040
1041 value = *(int *)arg1;
1042
1043 error = sysctl_handle_int(oidp, &value, 0, req);
1044
1045 if ((error != 0)
1046 || (req->newptr == NULL))
1047 return (error);
1048
1049 /*
1050 * Acceptable values here are 6, 10, 12 or 16.
1051 */
1052 if (value < 6)
1053 value = 6;
1054 else if ((value > 6)
1055 && (value <= 10))
1056 value = 10;
1057 else if ((value > 10)
1058 && (value <= 12))
1059 value = 12;
1060 else if (value > 12)
1061 value = 16;
1062
1063 *(int *)arg1 = value;
1064
1065 return (0);
1066}
1067
1068static cam_status
1069daregister(struct cam_periph *periph, void *arg)
1070{
1071 int s;
1072 struct da_softc *softc;
1073 struct ccb_setasync csa;
1074 struct ccb_pathinq cpi;
1075 struct ccb_getdev *cgd;
1076 char tmpstr[80];
1077 caddr_t match;
1078
1079 cgd = (struct ccb_getdev *)arg;
1080 if (periph == NULL) {
1081 printf("daregister: periph was NULL!!\n");
1082 return(CAM_REQ_CMP_ERR);
1083 }
1084
1085 if (cgd == NULL) {
1086 printf("daregister: no getdev CCB, can't register device\n");
1087 return(CAM_REQ_CMP_ERR);
1088 }
1089
1090 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1091 M_NOWAIT|M_ZERO);
1092
1093 if (softc == NULL) {
1094 printf("daregister: Unable to probe new device. "
1095 "Unable to allocate softc\n");
1096 return(CAM_REQ_CMP_ERR);
1097 }
1098
1099 LIST_INIT(&softc->pending_ccbs);
1100 softc->state = DA_STATE_PROBE;
1101 bioq_init(&softc->bio_queue);
1102 if (SID_IS_REMOVABLE(&cgd->inq_data))
1103 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1104 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1105 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1106
1107 periph->softc = softc;
1108
1109 /*
1110 * See if this device has any quirks.
1111 */
1112 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1113 (caddr_t)da_quirk_table,
1114 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1115 sizeof(*da_quirk_table), scsi_inquiry_match);
1116
1117 if (match != NULL)
1118 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1119 else
1120 softc->quirks = DA_Q_NONE;
1121
1122 /* Check if the SIM does not want 6 byte commands */
1123 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
1124 cpi.ccb_h.func_code = XPT_PATH_INQ;
1125 xpt_action((union ccb *)&cpi);
1126 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1127 softc->quirks |= DA_Q_NO_6_BYTE;
1128
1129 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1130
1131 /*
1132 * RBC devices don't have to support READ(6), only READ(10).
1133 */
1134 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1135 softc->minimum_cmd_size = 10;
1136 else
1137 softc->minimum_cmd_size = 6;
1138
1139 /*
1140 * Load the user's default, if any.
1141 */
1142 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1143 periph->unit_number);
1144 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1145
1146 /*
1147 * 6, 10, 12 and 16 are the currently permissible values.
1148 */
1149 if (softc->minimum_cmd_size < 6)
1150 softc->minimum_cmd_size = 6;
1151 else if ((softc->minimum_cmd_size > 6)
1152 && (softc->minimum_cmd_size <= 10))
1153 softc->minimum_cmd_size = 10;
1154 else if ((softc->minimum_cmd_size > 10)
1155 && (softc->minimum_cmd_size <= 12))
1156 softc->minimum_cmd_size = 12;
1157 else if (softc->minimum_cmd_size > 12)
1158 softc->minimum_cmd_size = 16;
1159
1160 /*
1161 * Block our timeout handler while we
1162 * add this softc to the dev list.
1163 */
1164 s = splsoftclock();
1165 SLIST_INSERT_HEAD(&softc_list, softc, links);
1166 splx(s);
1167
1168 /*
1169 * Register this media as a disk
1170 */
1171
1172 softc->disk = disk_alloc();
1173 softc->disk->d_open = daopen;
1174 softc->disk->d_close = daclose;
1175 softc->disk->d_strategy = dastrategy;
1176 softc->disk->d_dump = dadump;
1177 softc->disk->d_name = "da";
1178 softc->disk->d_drv1 = periph;
1179 softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */
1180 softc->disk->d_unit = periph->unit_number;
1181 softc->disk->d_flags = DISKFLAG_NEEDSGIANT;
|
1267 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1268
1269 /*
1270 * Block out any asyncronous callbacks
1271 * while we touch the pending ccb list.
1272 */
1273 oldspl = splcam();
1274 LIST_INSERT_HEAD(&softc->pending_ccbs,
1275 &start_ccb->ccb_h, periph_links.le);
1276 softc->outstanding_cmds++;
1277 splx(oldspl);
1278
1279 /* We expect a unit attention from this device */
1280 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1281 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1282 softc->flags &= ~DA_FLAG_RETRY_UA;
1283 }
1284
1285 start_ccb->ccb_h.ccb_bp = bp;
1286 bp = bioq_first(&softc->bio_queue);
1287 splx(s);
1288
1289 xpt_action(start_ccb);
1290 }
1291
1292 if (bp != NULL) {
1293 /* Have more work to do, so ensure we stay scheduled */
1294 xpt_schedule(periph, /* XXX priority */1);
1295 }
1296 break;
1297 }
1298 case DA_STATE_PROBE:
1299 {
1300 struct ccb_scsiio *csio;
1301 struct scsi_read_capacity_data *rcap;
1302
1303 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1304 M_TEMP,
1305 M_NOWAIT);
1306 if (rcap == NULL) {
1307 printf("dastart: Couldn't malloc read_capacity data\n");
1308 /* da_free_periph??? */
1309 break;
1310 }
1311 csio = &start_ccb->csio;
1312 scsi_read_capacity(csio,
1313 /*retries*/4,
1314 dadone,
1315 MSG_SIMPLE_Q_TAG,
1316 rcap,
1317 SSD_FULL_SIZE,
1318 /*timeout*/5000);
1319 start_ccb->ccb_h.ccb_bp = NULL;
1320 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1321 xpt_action(start_ccb);
1322 break;
1323 }
1324 case DA_STATE_PROBE2:
1325 {
1326 struct ccb_scsiio *csio;
1327 struct scsi_read_capacity_data_long *rcaplong;
1328
1329 rcaplong = (struct scsi_read_capacity_data_long *)
1330 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT);
1331 if (rcaplong == NULL) {
1332 printf("dastart: Couldn't malloc read_capacity data\n");
1333 /* da_free_periph??? */
1334 break;
1335 }
1336 csio = &start_ccb->csio;
1337 scsi_read_capacity_16(csio,
1338 /*retries*/ 4,
1339 /*cbfcnp*/ dadone,
1340 /*tag_action*/ MSG_SIMPLE_Q_TAG,
1341 /*lba*/ 0,
1342 /*reladr*/ 0,
1343 /*pmi*/ 0,
1344 rcaplong,
1345 /*sense_len*/ SSD_FULL_SIZE,
1346 /*timeout*/ 60000);
1347 start_ccb->ccb_h.ccb_bp = NULL;
1348 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2;
1349 xpt_action(start_ccb);
1350 break;
1351 }
1352 }
1353}
1354
1355static int
1356cmd6workaround(union ccb *ccb)
1357{
1358 struct scsi_rw_6 cmd6;
1359 struct scsi_rw_10 *cmd10;
1360 struct da_softc *softc;
1361 u_int8_t *cdb;
1362 int frozen;
1363
1364 cdb = ccb->csio.cdb_io.cdb_bytes;
1365
1366 /* Translation only possible if CDB is an array and cmd is R/W6 */
1367 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1368 (*cdb != READ_6 && *cdb != WRITE_6))
1369 return 0;
1370
1371 xpt_print_path(ccb->ccb_h.path);
1372 printf("READ(6)/WRITE(6) not supported, "
1373 "increasing minimum_cmd_size to 10.\n");
1374 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1375 softc->minimum_cmd_size = 10;
1376
1377 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1378 cmd10 = (struct scsi_rw_10 *)cdb;
1379 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1380 cmd10->byte2 = 0;
1381 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1382 cmd10->reserved = 0;
1383 scsi_ulto2b(cmd6.length, cmd10->length);
1384 cmd10->control = cmd6.control;
1385 ccb->csio.cdb_len = sizeof(*cmd10);
1386
1387 /* Requeue request, unfreezing queue if necessary */
1388 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1389 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1390 xpt_action(ccb);
1391 if (frozen) {
1392 cam_release_devq(ccb->ccb_h.path,
1393 /*relsim_flags*/0,
1394 /*reduction*/0,
1395 /*timeout*/0,
1396 /*getcount_only*/0);
1397 }
1398 return (ERESTART);
1399}
1400
1401static void
1402dadone(struct cam_periph *periph, union ccb *done_ccb)
1403{
1404 struct da_softc *softc;
1405 struct ccb_scsiio *csio;
1406
1407 softc = (struct da_softc *)periph->softc;
1408 csio = &done_ccb->csio;
1409 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1410 case DA_CCB_BUFFER_IO:
1411 {
1412 struct bio *bp;
1413 int oldspl;
1414
1415 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1416 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1417 int error;
1418 int s;
1419 int sf;
1420
1421 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1422 sf = SF_RETRY_UA;
1423 else
1424 sf = 0;
1425
1426 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
1427 if (error == ERESTART) {
1428 /*
1429 * A retry was scheuled, so
1430 * just return.
1431 */
1432 return;
1433 }
1434 if (error != 0) {
1435
1436 s = splbio();
1437
1438 if (error == ENXIO) {
1439 /*
1440 * Catastrophic error. Mark our pack as
1441 * invalid.
1442 */
1443 /* XXX See if this is really a media
1444 * change first.
1445 */
1446 xpt_print_path(periph->path);
1447 printf("Invalidating pack\n");
1448 softc->flags |= DA_FLAG_PACK_INVALID;
1449 }
1450
1451 /*
1452 * return all queued I/O with EIO, so that
1453 * the client can retry these I/Os in the
1454 * proper order should it attempt to recover.
1455 */
1456 bioq_flush(&softc->bio_queue, NULL, EIO);
1457 splx(s);
1458 bp->bio_error = error;
1459 bp->bio_resid = bp->bio_bcount;
1460 bp->bio_flags |= BIO_ERROR;
1461 } else {
1462 bp->bio_resid = csio->resid;
1463 bp->bio_error = 0;
1464 if (bp->bio_resid != 0)
1465 bp->bio_flags |= BIO_ERROR;
1466 }
1467 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1468 cam_release_devq(done_ccb->ccb_h.path,
1469 /*relsim_flags*/0,
1470 /*reduction*/0,
1471 /*timeout*/0,
1472 /*getcount_only*/0);
1473 } else {
1474 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1475 panic("REQ_CMP with QFRZN");
1476 bp->bio_resid = csio->resid;
1477 if (csio->resid > 0)
1478 bp->bio_flags |= BIO_ERROR;
1479 }
1480
1481 /*
1482 * Block out any asyncronous callbacks
1483 * while we touch the pending ccb list.
1484 */
1485 oldspl = splcam();
1486 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1487 softc->outstanding_cmds--;
1488 if (softc->outstanding_cmds == 0)
1489 softc->flags |= DA_FLAG_WENT_IDLE;
1490 splx(oldspl);
1491
1492 biodone(bp);
1493 break;
1494 }
1495 case DA_CCB_PROBE:
1496 case DA_CCB_PROBE2:
1497 {
1498 struct scsi_read_capacity_data *rdcap;
1499 struct scsi_read_capacity_data_long *rcaplong;
1500 char announce_buf[80];
1501
1502 rdcap = NULL;
1503 rcaplong = NULL;
1504 if (softc->state == DA_STATE_PROBE)
1505 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
1506 else
1507 rcaplong = (struct scsi_read_capacity_data_long *)
1508 csio->data_ptr;
1509
1510 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1511 struct disk_params *dp;
1512 uint32_t block_size;
1513 uint64_t maxsector;
1514
1515 if (softc->state == DA_STATE_PROBE) {
1516 block_size = scsi_4btoul(rdcap->length);
1517 maxsector = scsi_4btoul(rdcap->addr);
1518
1519 /*
1520 * According to SBC-2, if the standard 10
1521 * byte READ CAPACITY command returns 2^32,
1522 * we should issue the 16 byte version of
1523 * the command, since the device in question
1524 * has more sectors than can be represented
1525 * with the short version of the command.
1526 */
1527 if (maxsector == 0xffffffff) {
1528 softc->state = DA_STATE_PROBE2;
1529 free(rdcap, M_TEMP);
1530 xpt_release_ccb(done_ccb);
1531 xpt_schedule(periph, /*priority*/5);
1532 return;
1533 }
1534 } else {
1535 block_size = scsi_4btoul(rcaplong->length);
1536 maxsector = scsi_8btou64(rcaplong->addr);
1537 }
1538
1539 /*
1540 * Because GEOM code just will panic us if we
1541 * give them an 'illegal' value we'll avoid that
1542 * here.
1543 */
1544 if (block_size >= MAXPHYS || block_size == 0) {
1545 xpt_print_path(periph->path);
1546 printf("unsupportable block size %ju\n",
1547 (uintmax_t) block_size);
1548 announce_buf[0] = '\0';
1549 cam_periph_invalidate(periph);
1550 } else {
1551 dasetgeom(periph, block_size, maxsector);
1552 dp = &softc->params;
1553 snprintf(announce_buf, sizeof(announce_buf),
1554 "%juMB (%ju %u byte sectors: %dH %dS/T "
1555 "%dC)", (uintmax_t)
1556 (((uintmax_t)dp->secsize *
1557 dp->sectors) / (1024*1024)),
1558 (uintmax_t)dp->sectors,
1559 dp->secsize, dp->heads,
1560 dp->secs_per_track, dp->cylinders);
1561 }
1562 } else {
1563 int error;
1564
1565 announce_buf[0] = '\0';
1566
1567 /*
1568 * Retry any UNIT ATTENTION type errors. They
1569 * are expected at boot.
1570 */
1571 error = daerror(done_ccb, CAM_RETRY_SELTO,
1572 SF_RETRY_UA|SF_NO_PRINT);
1573 if (error == ERESTART) {
1574 /*
1575 * A retry was scheuled, so
1576 * just return.
1577 */
1578 return;
1579 } else if (error != 0) {
1580 struct scsi_sense_data *sense;
1581 int asc, ascq;
1582 int sense_key, error_code;
1583 int have_sense;
1584 cam_status status;
1585 struct ccb_getdev cgd;
1586
1587 /* Don't wedge this device's queue */
1588 status = done_ccb->ccb_h.status;
1589 if ((status & CAM_DEV_QFRZN) != 0)
1590 cam_release_devq(done_ccb->ccb_h.path,
1591 /*relsim_flags*/0,
1592 /*reduction*/0,
1593 /*timeout*/0,
1594 /*getcount_only*/0);
1595
1596
1597 xpt_setup_ccb(&cgd.ccb_h,
1598 done_ccb->ccb_h.path,
1599 /* priority */ 1);
1600 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1601 xpt_action((union ccb *)&cgd);
1602
1603 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1604 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1605 || ((status & CAM_AUTOSNS_VALID) == 0))
1606 have_sense = FALSE;
1607 else
1608 have_sense = TRUE;
1609
1610 if (have_sense) {
1611 sense = &csio->sense_data;
1612 scsi_extract_sense(sense, &error_code,
1613 &sense_key,
1614 &asc, &ascq);
1615 }
1616 /*
1617 * Attach to anything that claims to be a
1618 * direct access or optical disk device,
1619 * as long as it doesn't return a "Logical
1620 * unit not supported" (0x25) error.
1621 */
1622 if ((have_sense) && (asc != 0x25)
1623 && (error_code == SSD_CURRENT_ERROR)) {
1624 const char *sense_key_desc;
1625 const char *asc_desc;
1626
1627 scsi_sense_desc(sense_key, asc, ascq,
1628 &cgd.inq_data,
1629 &sense_key_desc,
1630 &asc_desc);
1631 snprintf(announce_buf,
1632 sizeof(announce_buf),
1633 "Attempt to query device "
1634 "size failed: %s, %s",
1635 sense_key_desc,
1636 asc_desc);
1637 } else {
1638 if (have_sense)
1639 scsi_sense_print(
1640 &done_ccb->csio);
1641 else {
1642 xpt_print_path(periph->path);
1643 printf("got CAM status %#x\n",
1644 done_ccb->ccb_h.status);
1645 }
1646
1647 xpt_print_path(periph->path);
1648 printf("fatal error, failed"
1649 " to attach to device\n");
1650
1651 /*
1652 * Free up resources.
1653 */
1654 cam_periph_invalidate(periph);
1655 }
1656 }
1657 }
1658 free(csio->data_ptr, M_TEMP);
1659 if (announce_buf[0] != '\0') {
1660 xpt_announce_periph(periph, announce_buf);
1661 /*
1662 * Create our sysctl variables, now that we know
1663 * we have successfully attached.
1664 */
1665 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1666 }
1667 softc->state = DA_STATE_NORMAL;
1668 /*
1669 * Since our peripheral may be invalidated by an error
1670 * above or an external event, we must release our CCB
1671 * before releasing the probe lock on the peripheral.
1672 * The peripheral will only go away once the last lock
1673 * is removed, and we need it around for the CCB release
1674 * operation.
1675 */
1676 xpt_release_ccb(done_ccb);
1677 cam_periph_unlock(periph);
1678 return;
1679 }
1680 case DA_CCB_WAITING:
1681 {
1682 /* Caller will release the CCB */
1683 wakeup(&done_ccb->ccb_h.cbfcnp);
1684 return;
1685 }
1686 case DA_CCB_DUMP:
1687 /* No-op. We're polling */
1688 return;
1689 default:
1690 break;
1691 }
1692 xpt_release_ccb(done_ccb);
1693}
1694
1695static int
1696daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1697{
1698 struct da_softc *softc;
1699 struct cam_periph *periph;
1700 int error;
1701
1702 periph = xpt_path_periph(ccb->ccb_h.path);
1703 softc = (struct da_softc *)periph->softc;
1704
1705 /*
1706 * Automatically detect devices that do not support
1707 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1708 */
1709 error = 0;
1710 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1711 error = cmd6workaround(ccb);
1712 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1713 CAM_SCSI_STATUS_ERROR)
1714 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1715 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1716 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1717 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1718 int sense_key, error_code, asc, ascq;
1719
1720 scsi_extract_sense(&ccb->csio.sense_data,
1721 &error_code, &sense_key, &asc, &ascq);
1722 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1723 error = cmd6workaround(ccb);
1724 }
1725 if (error == ERESTART)
1726 return (ERESTART);
1727
1728 /*
1729 * XXX
1730 * Until we have a better way of doing pack validation,
1731 * don't treat UAs as errors.
1732 */
1733 sense_flags |= SF_RETRY_UA;
1734 return(cam_periph_error(ccb, cam_flags, sense_flags,
1735 &softc->saved_ccb));
1736}
1737
1738static void
1739daprevent(struct cam_periph *periph, int action)
1740{
1741 struct da_softc *softc;
1742 union ccb *ccb;
1743 int error;
1744
1745 softc = (struct da_softc *)periph->softc;
1746
1747 if (((action == PR_ALLOW)
1748 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1749 || ((action == PR_PREVENT)
1750 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1751 return;
1752 }
1753
1754 ccb = cam_periph_getccb(periph, /*priority*/1);
1755
1756 scsi_prevent(&ccb->csio,
1757 /*retries*/1,
1758 /*cbcfp*/dadone,
1759 MSG_SIMPLE_Q_TAG,
1760 action,
1761 SSD_FULL_SIZE,
1762 5000);
1763
1764 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO,
1765 SF_RETRY_UA, softc->disk->d_devstat);
1766
1767 if (error == 0) {
1768 if (action == PR_ALLOW)
1769 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1770 else
1771 softc->flags |= DA_FLAG_PACK_LOCKED;
1772 }
1773
1774 xpt_release_ccb(ccb);
1775}
1776
1777static int
1778dagetcapacity(struct cam_periph *periph)
1779{
1780 struct da_softc *softc;
1781 union ccb *ccb;
1782 struct scsi_read_capacity_data *rcap;
1783 struct scsi_read_capacity_data_long *rcaplong;
1784 uint32_t block_len;
1785 uint64_t maxsector;
1786 int error;
1787
1788 softc = (struct da_softc *)periph->softc;
1789 block_len = 0;
1790 maxsector = 0;
1791 error = 0;
1792
1793 /* Do a read capacity */
1794 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong),
1795 M_TEMP,
1796 M_WAITOK);
1797
1798 ccb = cam_periph_getccb(periph, /*priority*/1);
1799 scsi_read_capacity(&ccb->csio,
1800 /*retries*/4,
1801 /*cbfncp*/dadone,
1802 MSG_SIMPLE_Q_TAG,
1803 rcap,
1804 SSD_FULL_SIZE,
1805 /*timeout*/60000);
1806 ccb->ccb_h.ccb_bp = NULL;
1807
1808 error = cam_periph_runccb(ccb, daerror,
1809 /*cam_flags*/CAM_RETRY_SELTO,
1810 /*sense_flags*/SF_RETRY_UA,
1811 softc->disk->d_devstat);
1812
1813 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1814 cam_release_devq(ccb->ccb_h.path,
1815 /*relsim_flags*/0,
1816 /*reduction*/0,
1817 /*timeout*/0,
1818 /*getcount_only*/0);
1819
1820 if (error == 0) {
1821 block_len = scsi_4btoul(rcap->length);
1822 maxsector = scsi_4btoul(rcap->addr);
1823
1824 if (maxsector != 0xffffffff)
1825 goto done;
1826 } else
1827 goto done;
1828
1829 rcaplong = (struct scsi_read_capacity_data_long *)rcap;
1830
1831 scsi_read_capacity_16(&ccb->csio,
1832 /*retries*/ 4,
1833 /*cbfcnp*/ dadone,
1834 /*tag_action*/ MSG_SIMPLE_Q_TAG,
1835 /*lba*/ 0,
1836 /*reladr*/ 0,
1837 /*pmi*/ 0,
1838 rcaplong,
1839 /*sense_len*/ SSD_FULL_SIZE,
1840 /*timeout*/ 60000);
1841 ccb->ccb_h.ccb_bp = NULL;
1842
1843 error = cam_periph_runccb(ccb, daerror,
1844 /*cam_flags*/CAM_RETRY_SELTO,
1845 /*sense_flags*/SF_RETRY_UA,
1846 softc->disk->d_devstat);
1847
1848 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1849 cam_release_devq(ccb->ccb_h.path,
1850 /*relsim_flags*/0,
1851 /*reduction*/0,
1852 /*timeout*/0,
1853 /*getcount_only*/0);
1854
1855 if (error == 0) {
1856 block_len = scsi_4btoul(rcaplong->length);
1857 maxsector = scsi_8btou64(rcaplong->addr);
1858 }
1859
1860done:
1861
1862 if (error == 0)
1863 dasetgeom(periph, block_len, maxsector);
1864
1865 xpt_release_ccb(ccb);
1866
1867 free(rcap, M_TEMP);
1868
1869 return (error);
1870}
1871
1872static void
1873dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector)
1874{
1875 struct ccb_calc_geometry ccg;
1876 struct da_softc *softc;
1877 struct disk_params *dp;
1878
1879 softc = (struct da_softc *)periph->softc;
1880
1881 dp = &softc->params;
1882 dp->secsize = block_len;
1883 dp->sectors = maxsector + 1;
1884 /*
1885 * Have the controller provide us with a geometry
1886 * for this disk. The only time the geometry
1887 * matters is when we boot and the controller
1888 * is the only one knowledgeable enough to come
1889 * up with something that will make this a bootable
1890 * device.
1891 */
1892 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1893 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1894 ccg.block_size = dp->secsize;
1895 ccg.volume_size = dp->sectors;
1896 ccg.heads = 0;
1897 ccg.secs_per_track = 0;
1898 ccg.cylinders = 0;
1899 xpt_action((union ccb*)&ccg);
1900 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1901 /*
1902 * We don't know what went wrong here- but just pick
1903 * a geometry so we don't have nasty things like divide
1904 * by zero.
1905 */
1906 dp->heads = 255;
1907 dp->secs_per_track = 255;
1908 dp->cylinders = dp->sectors / (255 * 255);
1909 if (dp->cylinders == 0) {
1910 dp->cylinders = 1;
1911 }
1912 } else {
1913 dp->heads = ccg.heads;
1914 dp->secs_per_track = ccg.secs_per_track;
1915 dp->cylinders = ccg.cylinders;
1916 }
1917}
1918
1919static void
1920dasendorderedtag(void *arg)
1921{
1922 struct da_softc *softc;
1923 int s;
1924
1925 for (softc = SLIST_FIRST(&softc_list);
1926 softc != NULL;
1927 softc = SLIST_NEXT(softc, links)) {
1928 s = splsoftcam();
1929 if ((softc->ordered_tag_count == 0)
1930 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1931 softc->flags |= DA_FLAG_NEED_OTAG;
1932 }
1933 if (softc->outstanding_cmds > 0)
1934 softc->flags &= ~DA_FLAG_WENT_IDLE;
1935
1936 softc->ordered_tag_count = 0;
1937 splx(s);
1938 }
1939 /* Queue us up again */
1940 timeout(dasendorderedtag, NULL,
1941 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1942}
1943
1944/*
1945 * Step through all DA peripheral drivers, and if the device is still open,
1946 * sync the disk cache to physical media.
1947 */
1948static void
1949dashutdown(void * arg, int howto)
1950{
1951 struct cam_periph *periph;
1952 struct da_softc *softc;
1953
1954 TAILQ_FOREACH(periph, &dadriver.units, unit_links) {
1955 union ccb ccb;
1956 softc = (struct da_softc *)periph->softc;
1957
1958 /*
1959 * We only sync the cache if the drive is still open, and
1960 * if the drive is capable of it..
1961 */
1962 if (((softc->flags & DA_FLAG_OPEN) == 0)
1963 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1964 continue;
1965
1966 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1967
1968 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1969 scsi_synchronize_cache(&ccb.csio,
1970 /*retries*/1,
1971 /*cbfcnp*/dadone,
1972 MSG_SIMPLE_Q_TAG,
1973 /*begin_lba*/0, /* whole disk */
1974 /*lb_count*/0,
1975 SSD_FULL_SIZE,
1976 60 * 60 * 1000);
1977
1978 xpt_polled_action(&ccb);
1979
1980 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1981 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1982 CAM_SCSI_STATUS_ERROR)
1983 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1984 int error_code, sense_key, asc, ascq;
1985
1986 scsi_extract_sense(&ccb.csio.sense_data,
1987 &error_code, &sense_key,
1988 &asc, &ascq);
1989
1990 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1991 scsi_sense_print(&ccb.csio);
1992 } else {
1993 xpt_print_path(periph->path);
1994 printf("Synchronize cache failed, status "
1995 "== 0x%x, scsi status == 0x%x\n",
1996 ccb.ccb_h.status, ccb.csio.scsi_status);
1997 }
1998 }
1999
2000 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
2001 cam_release_devq(ccb.ccb_h.path,
2002 /*relsim_flags*/0,
2003 /*reduction*/0,
2004 /*timeout*/0,
2005 /*getcount_only*/0);
2006
2007 }
2008}
2009
2010#else /* !_KERNEL */
2011
2012/*
2013 * XXX This is only left out of the kernel build to silence warnings. If,
2014 * for some reason this function is used in the kernel, the ifdefs should
2015 * be moved so it is included both in the kernel and userland.
2016 */
2017void
2018scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
2019 void (*cbfcnp)(struct cam_periph *, union ccb *),
2020 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
2021 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
2022 u_int32_t timeout)
2023{
2024 struct scsi_format_unit *scsi_cmd;
2025
2026 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
2027 scsi_cmd->opcode = FORMAT_UNIT;
2028 scsi_cmd->byte2 = byte2;
2029 scsi_ulto2b(ileave, scsi_cmd->interleave);
2030
2031 cam_fill_csio(csio,
2032 retries,
2033 cbfcnp,
2034 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
2035 tag_action,
2036 data_ptr,
2037 dxfer_len,
2038 sense_len,
2039 sizeof(*scsi_cmd),
2040 timeout);
2041}
2042
2043#endif /* _KERNEL */
| 1284 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1285
1286 /*
1287 * Block out any asyncronous callbacks
1288 * while we touch the pending ccb list.
1289 */
1290 oldspl = splcam();
1291 LIST_INSERT_HEAD(&softc->pending_ccbs,
1292 &start_ccb->ccb_h, periph_links.le);
1293 softc->outstanding_cmds++;
1294 splx(oldspl);
1295
1296 /* We expect a unit attention from this device */
1297 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1298 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1299 softc->flags &= ~DA_FLAG_RETRY_UA;
1300 }
1301
1302 start_ccb->ccb_h.ccb_bp = bp;
1303 bp = bioq_first(&softc->bio_queue);
1304 splx(s);
1305
1306 xpt_action(start_ccb);
1307 }
1308
1309 if (bp != NULL) {
1310 /* Have more work to do, so ensure we stay scheduled */
1311 xpt_schedule(periph, /* XXX priority */1);
1312 }
1313 break;
1314 }
1315 case DA_STATE_PROBE:
1316 {
1317 struct ccb_scsiio *csio;
1318 struct scsi_read_capacity_data *rcap;
1319
1320 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1321 M_TEMP,
1322 M_NOWAIT);
1323 if (rcap == NULL) {
1324 printf("dastart: Couldn't malloc read_capacity data\n");
1325 /* da_free_periph??? */
1326 break;
1327 }
1328 csio = &start_ccb->csio;
1329 scsi_read_capacity(csio,
1330 /*retries*/4,
1331 dadone,
1332 MSG_SIMPLE_Q_TAG,
1333 rcap,
1334 SSD_FULL_SIZE,
1335 /*timeout*/5000);
1336 start_ccb->ccb_h.ccb_bp = NULL;
1337 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1338 xpt_action(start_ccb);
1339 break;
1340 }
1341 case DA_STATE_PROBE2:
1342 {
1343 struct ccb_scsiio *csio;
1344 struct scsi_read_capacity_data_long *rcaplong;
1345
1346 rcaplong = (struct scsi_read_capacity_data_long *)
1347 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT);
1348 if (rcaplong == NULL) {
1349 printf("dastart: Couldn't malloc read_capacity data\n");
1350 /* da_free_periph??? */
1351 break;
1352 }
1353 csio = &start_ccb->csio;
1354 scsi_read_capacity_16(csio,
1355 /*retries*/ 4,
1356 /*cbfcnp*/ dadone,
1357 /*tag_action*/ MSG_SIMPLE_Q_TAG,
1358 /*lba*/ 0,
1359 /*reladr*/ 0,
1360 /*pmi*/ 0,
1361 rcaplong,
1362 /*sense_len*/ SSD_FULL_SIZE,
1363 /*timeout*/ 60000);
1364 start_ccb->ccb_h.ccb_bp = NULL;
1365 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2;
1366 xpt_action(start_ccb);
1367 break;
1368 }
1369 }
1370}
1371
1372static int
1373cmd6workaround(union ccb *ccb)
1374{
1375 struct scsi_rw_6 cmd6;
1376 struct scsi_rw_10 *cmd10;
1377 struct da_softc *softc;
1378 u_int8_t *cdb;
1379 int frozen;
1380
1381 cdb = ccb->csio.cdb_io.cdb_bytes;
1382
1383 /* Translation only possible if CDB is an array and cmd is R/W6 */
1384 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1385 (*cdb != READ_6 && *cdb != WRITE_6))
1386 return 0;
1387
1388 xpt_print_path(ccb->ccb_h.path);
1389 printf("READ(6)/WRITE(6) not supported, "
1390 "increasing minimum_cmd_size to 10.\n");
1391 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1392 softc->minimum_cmd_size = 10;
1393
1394 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1395 cmd10 = (struct scsi_rw_10 *)cdb;
1396 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1397 cmd10->byte2 = 0;
1398 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1399 cmd10->reserved = 0;
1400 scsi_ulto2b(cmd6.length, cmd10->length);
1401 cmd10->control = cmd6.control;
1402 ccb->csio.cdb_len = sizeof(*cmd10);
1403
1404 /* Requeue request, unfreezing queue if necessary */
1405 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1406 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1407 xpt_action(ccb);
1408 if (frozen) {
1409 cam_release_devq(ccb->ccb_h.path,
1410 /*relsim_flags*/0,
1411 /*reduction*/0,
1412 /*timeout*/0,
1413 /*getcount_only*/0);
1414 }
1415 return (ERESTART);
1416}
1417
1418static void
1419dadone(struct cam_periph *periph, union ccb *done_ccb)
1420{
1421 struct da_softc *softc;
1422 struct ccb_scsiio *csio;
1423
1424 softc = (struct da_softc *)periph->softc;
1425 csio = &done_ccb->csio;
1426 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1427 case DA_CCB_BUFFER_IO:
1428 {
1429 struct bio *bp;
1430 int oldspl;
1431
1432 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1433 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1434 int error;
1435 int s;
1436 int sf;
1437
1438 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1439 sf = SF_RETRY_UA;
1440 else
1441 sf = 0;
1442
1443 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
1444 if (error == ERESTART) {
1445 /*
1446 * A retry was scheuled, so
1447 * just return.
1448 */
1449 return;
1450 }
1451 if (error != 0) {
1452
1453 s = splbio();
1454
1455 if (error == ENXIO) {
1456 /*
1457 * Catastrophic error. Mark our pack as
1458 * invalid.
1459 */
1460 /* XXX See if this is really a media
1461 * change first.
1462 */
1463 xpt_print_path(periph->path);
1464 printf("Invalidating pack\n");
1465 softc->flags |= DA_FLAG_PACK_INVALID;
1466 }
1467
1468 /*
1469 * return all queued I/O with EIO, so that
1470 * the client can retry these I/Os in the
1471 * proper order should it attempt to recover.
1472 */
1473 bioq_flush(&softc->bio_queue, NULL, EIO);
1474 splx(s);
1475 bp->bio_error = error;
1476 bp->bio_resid = bp->bio_bcount;
1477 bp->bio_flags |= BIO_ERROR;
1478 } else {
1479 bp->bio_resid = csio->resid;
1480 bp->bio_error = 0;
1481 if (bp->bio_resid != 0)
1482 bp->bio_flags |= BIO_ERROR;
1483 }
1484 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1485 cam_release_devq(done_ccb->ccb_h.path,
1486 /*relsim_flags*/0,
1487 /*reduction*/0,
1488 /*timeout*/0,
1489 /*getcount_only*/0);
1490 } else {
1491 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1492 panic("REQ_CMP with QFRZN");
1493 bp->bio_resid = csio->resid;
1494 if (csio->resid > 0)
1495 bp->bio_flags |= BIO_ERROR;
1496 }
1497
1498 /*
1499 * Block out any asyncronous callbacks
1500 * while we touch the pending ccb list.
1501 */
1502 oldspl = splcam();
1503 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1504 softc->outstanding_cmds--;
1505 if (softc->outstanding_cmds == 0)
1506 softc->flags |= DA_FLAG_WENT_IDLE;
1507 splx(oldspl);
1508
1509 biodone(bp);
1510 break;
1511 }
1512 case DA_CCB_PROBE:
1513 case DA_CCB_PROBE2:
1514 {
1515 struct scsi_read_capacity_data *rdcap;
1516 struct scsi_read_capacity_data_long *rcaplong;
1517 char announce_buf[80];
1518
1519 rdcap = NULL;
1520 rcaplong = NULL;
1521 if (softc->state == DA_STATE_PROBE)
1522 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
1523 else
1524 rcaplong = (struct scsi_read_capacity_data_long *)
1525 csio->data_ptr;
1526
1527 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1528 struct disk_params *dp;
1529 uint32_t block_size;
1530 uint64_t maxsector;
1531
1532 if (softc->state == DA_STATE_PROBE) {
1533 block_size = scsi_4btoul(rdcap->length);
1534 maxsector = scsi_4btoul(rdcap->addr);
1535
1536 /*
1537 * According to SBC-2, if the standard 10
1538 * byte READ CAPACITY command returns 2^32,
1539 * we should issue the 16 byte version of
1540 * the command, since the device in question
1541 * has more sectors than can be represented
1542 * with the short version of the command.
1543 */
1544 if (maxsector == 0xffffffff) {
1545 softc->state = DA_STATE_PROBE2;
1546 free(rdcap, M_TEMP);
1547 xpt_release_ccb(done_ccb);
1548 xpt_schedule(periph, /*priority*/5);
1549 return;
1550 }
1551 } else {
1552 block_size = scsi_4btoul(rcaplong->length);
1553 maxsector = scsi_8btou64(rcaplong->addr);
1554 }
1555
1556 /*
1557 * Because GEOM code just will panic us if we
1558 * give them an 'illegal' value we'll avoid that
1559 * here.
1560 */
1561 if (block_size >= MAXPHYS || block_size == 0) {
1562 xpt_print_path(periph->path);
1563 printf("unsupportable block size %ju\n",
1564 (uintmax_t) block_size);
1565 announce_buf[0] = '\0';
1566 cam_periph_invalidate(periph);
1567 } else {
1568 dasetgeom(periph, block_size, maxsector);
1569 dp = &softc->params;
1570 snprintf(announce_buf, sizeof(announce_buf),
1571 "%juMB (%ju %u byte sectors: %dH %dS/T "
1572 "%dC)", (uintmax_t)
1573 (((uintmax_t)dp->secsize *
1574 dp->sectors) / (1024*1024)),
1575 (uintmax_t)dp->sectors,
1576 dp->secsize, dp->heads,
1577 dp->secs_per_track, dp->cylinders);
1578 }
1579 } else {
1580 int error;
1581
1582 announce_buf[0] = '\0';
1583
1584 /*
1585 * Retry any UNIT ATTENTION type errors. They
1586 * are expected at boot.
1587 */
1588 error = daerror(done_ccb, CAM_RETRY_SELTO,
1589 SF_RETRY_UA|SF_NO_PRINT);
1590 if (error == ERESTART) {
1591 /*
1592 * A retry was scheuled, so
1593 * just return.
1594 */
1595 return;
1596 } else if (error != 0) {
1597 struct scsi_sense_data *sense;
1598 int asc, ascq;
1599 int sense_key, error_code;
1600 int have_sense;
1601 cam_status status;
1602 struct ccb_getdev cgd;
1603
1604 /* Don't wedge this device's queue */
1605 status = done_ccb->ccb_h.status;
1606 if ((status & CAM_DEV_QFRZN) != 0)
1607 cam_release_devq(done_ccb->ccb_h.path,
1608 /*relsim_flags*/0,
1609 /*reduction*/0,
1610 /*timeout*/0,
1611 /*getcount_only*/0);
1612
1613
1614 xpt_setup_ccb(&cgd.ccb_h,
1615 done_ccb->ccb_h.path,
1616 /* priority */ 1);
1617 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1618 xpt_action((union ccb *)&cgd);
1619
1620 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1621 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1622 || ((status & CAM_AUTOSNS_VALID) == 0))
1623 have_sense = FALSE;
1624 else
1625 have_sense = TRUE;
1626
1627 if (have_sense) {
1628 sense = &csio->sense_data;
1629 scsi_extract_sense(sense, &error_code,
1630 &sense_key,
1631 &asc, &ascq);
1632 }
1633 /*
1634 * Attach to anything that claims to be a
1635 * direct access or optical disk device,
1636 * as long as it doesn't return a "Logical
1637 * unit not supported" (0x25) error.
1638 */
1639 if ((have_sense) && (asc != 0x25)
1640 && (error_code == SSD_CURRENT_ERROR)) {
1641 const char *sense_key_desc;
1642 const char *asc_desc;
1643
1644 scsi_sense_desc(sense_key, asc, ascq,
1645 &cgd.inq_data,
1646 &sense_key_desc,
1647 &asc_desc);
1648 snprintf(announce_buf,
1649 sizeof(announce_buf),
1650 "Attempt to query device "
1651 "size failed: %s, %s",
1652 sense_key_desc,
1653 asc_desc);
1654 } else {
1655 if (have_sense)
1656 scsi_sense_print(
1657 &done_ccb->csio);
1658 else {
1659 xpt_print_path(periph->path);
1660 printf("got CAM status %#x\n",
1661 done_ccb->ccb_h.status);
1662 }
1663
1664 xpt_print_path(periph->path);
1665 printf("fatal error, failed"
1666 " to attach to device\n");
1667
1668 /*
1669 * Free up resources.
1670 */
1671 cam_periph_invalidate(periph);
1672 }
1673 }
1674 }
1675 free(csio->data_ptr, M_TEMP);
1676 if (announce_buf[0] != '\0') {
1677 xpt_announce_periph(periph, announce_buf);
1678 /*
1679 * Create our sysctl variables, now that we know
1680 * we have successfully attached.
1681 */
1682 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1683 }
1684 softc->state = DA_STATE_NORMAL;
1685 /*
1686 * Since our peripheral may be invalidated by an error
1687 * above or an external event, we must release our CCB
1688 * before releasing the probe lock on the peripheral.
1689 * The peripheral will only go away once the last lock
1690 * is removed, and we need it around for the CCB release
1691 * operation.
1692 */
1693 xpt_release_ccb(done_ccb);
1694 cam_periph_unlock(periph);
1695 return;
1696 }
1697 case DA_CCB_WAITING:
1698 {
1699 /* Caller will release the CCB */
1700 wakeup(&done_ccb->ccb_h.cbfcnp);
1701 return;
1702 }
1703 case DA_CCB_DUMP:
1704 /* No-op. We're polling */
1705 return;
1706 default:
1707 break;
1708 }
1709 xpt_release_ccb(done_ccb);
1710}
1711
1712static int
1713daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1714{
1715 struct da_softc *softc;
1716 struct cam_periph *periph;
1717 int error;
1718
1719 periph = xpt_path_periph(ccb->ccb_h.path);
1720 softc = (struct da_softc *)periph->softc;
1721
1722 /*
1723 * Automatically detect devices that do not support
1724 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1725 */
1726 error = 0;
1727 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1728 error = cmd6workaround(ccb);
1729 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1730 CAM_SCSI_STATUS_ERROR)
1731 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1732 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1733 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1734 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1735 int sense_key, error_code, asc, ascq;
1736
1737 scsi_extract_sense(&ccb->csio.sense_data,
1738 &error_code, &sense_key, &asc, &ascq);
1739 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1740 error = cmd6workaround(ccb);
1741 }
1742 if (error == ERESTART)
1743 return (ERESTART);
1744
1745 /*
1746 * XXX
1747 * Until we have a better way of doing pack validation,
1748 * don't treat UAs as errors.
1749 */
1750 sense_flags |= SF_RETRY_UA;
1751 return(cam_periph_error(ccb, cam_flags, sense_flags,
1752 &softc->saved_ccb));
1753}
1754
1755static void
1756daprevent(struct cam_periph *periph, int action)
1757{
1758 struct da_softc *softc;
1759 union ccb *ccb;
1760 int error;
1761
1762 softc = (struct da_softc *)periph->softc;
1763
1764 if (((action == PR_ALLOW)
1765 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1766 || ((action == PR_PREVENT)
1767 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1768 return;
1769 }
1770
1771 ccb = cam_periph_getccb(periph, /*priority*/1);
1772
1773 scsi_prevent(&ccb->csio,
1774 /*retries*/1,
1775 /*cbcfp*/dadone,
1776 MSG_SIMPLE_Q_TAG,
1777 action,
1778 SSD_FULL_SIZE,
1779 5000);
1780
1781 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO,
1782 SF_RETRY_UA, softc->disk->d_devstat);
1783
1784 if (error == 0) {
1785 if (action == PR_ALLOW)
1786 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1787 else
1788 softc->flags |= DA_FLAG_PACK_LOCKED;
1789 }
1790
1791 xpt_release_ccb(ccb);
1792}
1793
1794static int
1795dagetcapacity(struct cam_periph *periph)
1796{
1797 struct da_softc *softc;
1798 union ccb *ccb;
1799 struct scsi_read_capacity_data *rcap;
1800 struct scsi_read_capacity_data_long *rcaplong;
1801 uint32_t block_len;
1802 uint64_t maxsector;
1803 int error;
1804
1805 softc = (struct da_softc *)periph->softc;
1806 block_len = 0;
1807 maxsector = 0;
1808 error = 0;
1809
1810 /* Do a read capacity */
1811 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong),
1812 M_TEMP,
1813 M_WAITOK);
1814
1815 ccb = cam_periph_getccb(periph, /*priority*/1);
1816 scsi_read_capacity(&ccb->csio,
1817 /*retries*/4,
1818 /*cbfncp*/dadone,
1819 MSG_SIMPLE_Q_TAG,
1820 rcap,
1821 SSD_FULL_SIZE,
1822 /*timeout*/60000);
1823 ccb->ccb_h.ccb_bp = NULL;
1824
1825 error = cam_periph_runccb(ccb, daerror,
1826 /*cam_flags*/CAM_RETRY_SELTO,
1827 /*sense_flags*/SF_RETRY_UA,
1828 softc->disk->d_devstat);
1829
1830 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1831 cam_release_devq(ccb->ccb_h.path,
1832 /*relsim_flags*/0,
1833 /*reduction*/0,
1834 /*timeout*/0,
1835 /*getcount_only*/0);
1836
1837 if (error == 0) {
1838 block_len = scsi_4btoul(rcap->length);
1839 maxsector = scsi_4btoul(rcap->addr);
1840
1841 if (maxsector != 0xffffffff)
1842 goto done;
1843 } else
1844 goto done;
1845
1846 rcaplong = (struct scsi_read_capacity_data_long *)rcap;
1847
1848 scsi_read_capacity_16(&ccb->csio,
1849 /*retries*/ 4,
1850 /*cbfcnp*/ dadone,
1851 /*tag_action*/ MSG_SIMPLE_Q_TAG,
1852 /*lba*/ 0,
1853 /*reladr*/ 0,
1854 /*pmi*/ 0,
1855 rcaplong,
1856 /*sense_len*/ SSD_FULL_SIZE,
1857 /*timeout*/ 60000);
1858 ccb->ccb_h.ccb_bp = NULL;
1859
1860 error = cam_periph_runccb(ccb, daerror,
1861 /*cam_flags*/CAM_RETRY_SELTO,
1862 /*sense_flags*/SF_RETRY_UA,
1863 softc->disk->d_devstat);
1864
1865 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1866 cam_release_devq(ccb->ccb_h.path,
1867 /*relsim_flags*/0,
1868 /*reduction*/0,
1869 /*timeout*/0,
1870 /*getcount_only*/0);
1871
1872 if (error == 0) {
1873 block_len = scsi_4btoul(rcaplong->length);
1874 maxsector = scsi_8btou64(rcaplong->addr);
1875 }
1876
1877done:
1878
1879 if (error == 0)
1880 dasetgeom(periph, block_len, maxsector);
1881
1882 xpt_release_ccb(ccb);
1883
1884 free(rcap, M_TEMP);
1885
1886 return (error);
1887}
1888
1889static void
1890dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector)
1891{
1892 struct ccb_calc_geometry ccg;
1893 struct da_softc *softc;
1894 struct disk_params *dp;
1895
1896 softc = (struct da_softc *)periph->softc;
1897
1898 dp = &softc->params;
1899 dp->secsize = block_len;
1900 dp->sectors = maxsector + 1;
1901 /*
1902 * Have the controller provide us with a geometry
1903 * for this disk. The only time the geometry
1904 * matters is when we boot and the controller
1905 * is the only one knowledgeable enough to come
1906 * up with something that will make this a bootable
1907 * device.
1908 */
1909 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1910 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1911 ccg.block_size = dp->secsize;
1912 ccg.volume_size = dp->sectors;
1913 ccg.heads = 0;
1914 ccg.secs_per_track = 0;
1915 ccg.cylinders = 0;
1916 xpt_action((union ccb*)&ccg);
1917 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1918 /*
1919 * We don't know what went wrong here- but just pick
1920 * a geometry so we don't have nasty things like divide
1921 * by zero.
1922 */
1923 dp->heads = 255;
1924 dp->secs_per_track = 255;
1925 dp->cylinders = dp->sectors / (255 * 255);
1926 if (dp->cylinders == 0) {
1927 dp->cylinders = 1;
1928 }
1929 } else {
1930 dp->heads = ccg.heads;
1931 dp->secs_per_track = ccg.secs_per_track;
1932 dp->cylinders = ccg.cylinders;
1933 }
1934}
1935
1936static void
1937dasendorderedtag(void *arg)
1938{
1939 struct da_softc *softc;
1940 int s;
1941
1942 for (softc = SLIST_FIRST(&softc_list);
1943 softc != NULL;
1944 softc = SLIST_NEXT(softc, links)) {
1945 s = splsoftcam();
1946 if ((softc->ordered_tag_count == 0)
1947 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1948 softc->flags |= DA_FLAG_NEED_OTAG;
1949 }
1950 if (softc->outstanding_cmds > 0)
1951 softc->flags &= ~DA_FLAG_WENT_IDLE;
1952
1953 softc->ordered_tag_count = 0;
1954 splx(s);
1955 }
1956 /* Queue us up again */
1957 timeout(dasendorderedtag, NULL,
1958 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1959}
1960
1961/*
1962 * Step through all DA peripheral drivers, and if the device is still open,
1963 * sync the disk cache to physical media.
1964 */
1965static void
1966dashutdown(void * arg, int howto)
1967{
1968 struct cam_periph *periph;
1969 struct da_softc *softc;
1970
1971 TAILQ_FOREACH(periph, &dadriver.units, unit_links) {
1972 union ccb ccb;
1973 softc = (struct da_softc *)periph->softc;
1974
1975 /*
1976 * We only sync the cache if the drive is still open, and
1977 * if the drive is capable of it..
1978 */
1979 if (((softc->flags & DA_FLAG_OPEN) == 0)
1980 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1981 continue;
1982
1983 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1984
1985 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1986 scsi_synchronize_cache(&ccb.csio,
1987 /*retries*/1,
1988 /*cbfcnp*/dadone,
1989 MSG_SIMPLE_Q_TAG,
1990 /*begin_lba*/0, /* whole disk */
1991 /*lb_count*/0,
1992 SSD_FULL_SIZE,
1993 60 * 60 * 1000);
1994
1995 xpt_polled_action(&ccb);
1996
1997 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1998 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1999 CAM_SCSI_STATUS_ERROR)
2000 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
2001 int error_code, sense_key, asc, ascq;
2002
2003 scsi_extract_sense(&ccb.csio.sense_data,
2004 &error_code, &sense_key,
2005 &asc, &ascq);
2006
2007 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
2008 scsi_sense_print(&ccb.csio);
2009 } else {
2010 xpt_print_path(periph->path);
2011 printf("Synchronize cache failed, status "
2012 "== 0x%x, scsi status == 0x%x\n",
2013 ccb.ccb_h.status, ccb.csio.scsi_status);
2014 }
2015 }
2016
2017 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
2018 cam_release_devq(ccb.ccb_h.path,
2019 /*relsim_flags*/0,
2020 /*reduction*/0,
2021 /*timeout*/0,
2022 /*getcount_only*/0);
2023
2024 }
2025}
2026
2027#else /* !_KERNEL */
2028
2029/*
2030 * XXX This is only left out of the kernel build to silence warnings. If,
2031 * for some reason this function is used in the kernel, the ifdefs should
2032 * be moved so it is included both in the kernel and userland.
2033 */
2034void
2035scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
2036 void (*cbfcnp)(struct cam_periph *, union ccb *),
2037 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
2038 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
2039 u_int32_t timeout)
2040{
2041 struct scsi_format_unit *scsi_cmd;
2042
2043 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
2044 scsi_cmd->opcode = FORMAT_UNIT;
2045 scsi_cmd->byte2 = byte2;
2046 scsi_ulto2b(ileave, scsi_cmd->interleave);
2047
2048 cam_fill_csio(csio,
2049 retries,
2050 cbfcnp,
2051 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
2052 tag_action,
2053 data_ptr,
2054 dxfer_len,
2055 sense_len,
2056 sizeof(*scsi_cmd),
2057 timeout);
2058}
2059
2060#endif /* _KERNEL */
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