FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_da.c
1 /*
2 * Implementation of SCSI Direct Access Peripheral driver for CAM.
3 *
4 * Copyright (c) 1997 Justin T. Gibbs.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/5.1/sys/cam/scsi/scsi_da.c 115031 2003-05-15 17:35:35Z njl $
29 */
30
31 #ifdef _KERNEL
32 #include "opt_hw_wdog.h"
33 #endif /* _KERNEL */
34
35 #include <sys/param.h>
36
37 #ifdef _KERNEL
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/bio.h>
41 #include <sys/sysctl.h>
42 #endif /* _KERNEL */
43
44 #include <sys/devicestat.h>
45 #include <sys/conf.h>
46 #include <sys/eventhandler.h>
47 #include <sys/malloc.h>
48 #include <sys/cons.h>
49
50 #include <machine/md_var.h>
51
52 #include <vm/vm.h>
53 #include <vm/pmap.h>
54
55 #include <geom/geom_disk.h>
56
57 #ifndef _KERNEL
58 #include <stdio.h>
59 #include <string.h>
60 #endif /* _KERNEL */
61
62 #include <cam/cam.h>
63 #include <cam/cam_ccb.h>
64 #include <cam/cam_periph.h>
65 #include <cam/cam_xpt_periph.h>
66
67 #include <cam/scsi/scsi_message.h>
68
69 #ifndef _KERNEL
70 #include <cam/scsi/scsi_da.h>
71 #endif /* !_KERNEL */
72
73 #ifdef _KERNEL
74 typedef enum {
75 DA_STATE_PROBE,
76 DA_STATE_PROBE2,
77 DA_STATE_NORMAL
78 } da_state;
79
80 typedef enum {
81 DA_FLAG_PACK_INVALID = 0x001,
82 DA_FLAG_NEW_PACK = 0x002,
83 DA_FLAG_PACK_LOCKED = 0x004,
84 DA_FLAG_PACK_REMOVABLE = 0x008,
85 DA_FLAG_TAGGED_QUEUING = 0x010,
86 DA_FLAG_NEED_OTAG = 0x020,
87 DA_FLAG_WENT_IDLE = 0x040,
88 DA_FLAG_RETRY_UA = 0x080,
89 DA_FLAG_OPEN = 0x100
90 } da_flags;
91
92 typedef enum {
93 DA_Q_NONE = 0x00,
94 DA_Q_NO_SYNC_CACHE = 0x01,
95 DA_Q_NO_6_BYTE = 0x02
96 } da_quirks;
97
98 typedef 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
112 struct 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
120 struct 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 sysctl_ctx_list sysctl_ctx;
134 struct sysctl_oid *sysctl_tree;
135 };
136
137 struct da_quirk_entry {
138 struct scsi_inquiry_pattern inq_pat;
139 da_quirks quirks;
140 };
141
142 static const char quantum[] = "QUANTUM";
143 static const char microp[] = "MICROP";
144
145 static struct da_quirk_entry da_quirk_table[] =
146 {
147 /*
148 * Logitec USB/Firewire LHD-P30FU
149 */
150 {
151 /* USB part */
152 {T_DIRECT, SIP_MEDIA_FIXED, "HITACHI_", "DK23DA*", "*"},
153 /*quirks*/ DA_Q_NO_6_BYTE
154 },
155 {
156 /* Firewire part */
157 {T_DIRECT, SIP_MEDIA_FIXED, "LSILogic", "SYM13FW*", "*"},
158 /*quirks*/ DA_Q_NO_6_BYTE
159 },
160 {
161 /*
162 * Fujitsu M2513A MO drives.
163 * Tested devices: M2513A2 firmware versions 1200 & 1300.
164 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
165 * Reported by: W.Scholten <whs@xs4all.nl>
166 */
167 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
168 /*quirks*/ DA_Q_NO_SYNC_CACHE
169 },
170 {
171 /* See above. */
172 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
173 /*quirks*/ DA_Q_NO_SYNC_CACHE
174 },
175 {
176 /*
177 * This particular Fujitsu drive doesn't like the
178 * synchronize cache command.
179 * Reported by: Tom Jackson <toj@gorilla.net>
180 */
181 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
182 /*quirks*/ DA_Q_NO_SYNC_CACHE
183
184 },
185 {
186 /*
187 * This drive doesn't like the synchronize cache command
188 * either. Reported by: Matthew Jacob <mjacob@feral.com>
189 * in NetBSD PR kern/6027, August 24, 1998.
190 */
191 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
192 /*quirks*/ DA_Q_NO_SYNC_CACHE
193 },
194 {
195 /*
196 * This drive doesn't like the synchronize cache command
197 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
198 * (PR 8882).
199 */
200 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
201 /*quirks*/ DA_Q_NO_SYNC_CACHE
202 },
203 {
204 /*
205 * Doesn't like the synchronize cache command.
206 * Reported by: Blaz Zupan <blaz@gold.amis.net>
207 */
208 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
209 /*quirks*/ DA_Q_NO_SYNC_CACHE
210 },
211 {
212 /*
213 * Doesn't like the synchronize cache command.
214 */
215 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
216 /*quirks*/ DA_Q_NO_SYNC_CACHE
217 },
218 {
219 /*
220 * Doesn't like the synchronize cache command.
221 */
222 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
223 /*quirks*/ DA_Q_NO_SYNC_CACHE
224 },
225 {
226 /*
227 * Doesn't work correctly with 6 byte reads/writes.
228 * Returns illegal request, and points to byte 9 of the
229 * 6-byte CDB.
230 * Reported by: Adam McDougall <bsdx@spawnet.com>
231 */
232 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
233 /*quirks*/ DA_Q_NO_6_BYTE
234 },
235 {
236 /*
237 * See above.
238 */
239 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
240 /*quirks*/ DA_Q_NO_6_BYTE
241 },
242
243 /* Below a list of quirks for USB devices supported by umass. */
244 {
245 /*
246 * This USB floppy drive uses the UFI command set. This
247 * command set is a derivative of the ATAPI command set and
248 * does not support READ_6 commands only READ_10. It also does
249 * not support sync cache (0x35).
250 */
251 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
252 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
253 },
254 {
255 /* Another USB floppy */
256 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
257 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
258 },
259 {
260 /*
261 * Sony Memory Stick adapter MSAC-US1 and
262 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
263 * Make all sony MS* products use this quirk.
264 */
265 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
266 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
267 },
268 {
269 /*
270 * Sony Memory Stick adapter for the CLIE series
271 * of PalmOS PDA's
272 */
273 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
274 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
275 },
276 {
277 /*
278 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
279 */
280 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
281 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
282 },
283 {
284 /*
285 * Maxtor 3000LE USB Drive
286 */
287 {T_DIRECT, SIP_MEDIA_FIXED, "MAXTOR*", "K040H2*", "*"},
288 /*quirks*/ DA_Q_NO_6_BYTE
289 },
290 {
291 /*
292 * LaCie USB drive, among others
293 */
294 {T_DIRECT, SIP_MEDIA_FIXED, "Maxtor*", "D080H4*", "*"},
295 /*quirks*/ DA_Q_NO_6_BYTE
296 },
297 {
298 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "MCF3064AP", "*"},
299 /*quirks*/ DA_Q_NO_6_BYTE
300 },
301 {
302 /*
303 * Microtech USB CameraMate
304 */
305 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
306 "Compact Flash*", "*"},
307 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
308 },
309 {
310 /*
311 * The vendor, product and version strings coming from the
312 * controller are null terminated instead of being padded with
313 * spaces. The trailing wildcard character '*' is required.
314 */
315 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
316 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
317 },
318 {
319 /*
320 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
321 */
322 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
323 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
324 },
325 {
326 /*
327 * Olympus digital cameras (D-370)
328 */
329 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D-*", "*"},
330 /*quirks*/ DA_Q_NO_6_BYTE
331 },
332 {
333 /*
334 * Olympus digital cameras (E-100RS, E-10).
335 */
336 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
337 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
338 },
339 {
340 /*
341 * KingByte Pen Drives
342 */
343 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
344 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
345 },
346 {
347 /*
348 * FujiFilm Camera
349 */
350 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
351 "USB-DRIVEUNIT", "*"},
352 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
353 },
354 {
355 /*
356 * Nikon Coolpix E775/E995 Cameras
357 */
358 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NIKON", "NIKON DSC E*", "*"},
359 /*quirks*/ DA_Q_NO_6_BYTE
360 },
361 {
362 /*
363 * Nikon Coolpix E885 Camera
364 */
365 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Nikon", "Digital Camera", "*"},
366 /*quirks*/ DA_Q_NO_6_BYTE
367 },
368 {
369 /*
370 * SimpleTech FlashLink UCF-100
371 */
372 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OEI-USB", "CompactFlash", "*"},
373 /*quirks*/ DA_Q_NO_6_BYTE
374 },
375 {
376 /*
377 * Minolta Dimage 2330
378 */
379 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DIMAGE 2330*", "*"},
380 /*quirks*/ DA_Q_NO_6_BYTE
381 },
382 {
383 /*
384 * Minolta Dimage E203
385 */
386 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
387 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
388 },
389 {
390 /*
391 * DIVA USB Mp3 Player.
392 * PR: kern/33638
393 */
394 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DIVA USB", "Media Reader","*"},
395 /*quirks*/ DA_Q_NO_6_BYTE
396 },
397 {
398 /*
399 * Daisy Technology PhotoClip USB Camera
400 */
401 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Digital", "World DMC","*"},
402 /*quirks*/ DA_Q_NO_6_BYTE
403 },
404 {
405 /*
406 * Apacer HandyDrive
407 * PR: kern/43627
408 */
409 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
410 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
411 },
412 {
413 /*
414 * Daisy Technology PhotoClip on Zoran chip
415 * PR: kern/43580
416 */
417 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
418 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
419 },
420 {
421 /*
422 * HP 315 Digital Camera
423 * PR: kern/41010
424 */
425 {T_DIRECT, SIP_MEDIA_REMOVABLE, "HP", "USB CAMERA", "*"},
426 /*quirks*/ DA_Q_NO_6_BYTE
427 },
428 {
429 /*
430 * Fujitsu-Siemens Memorybird pen drive
431 * PR: kern/34712
432 */
433 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Fujitsu", "Memorybird", "*"},
434 /*quirks*/ DA_Q_NO_6_BYTE
435 },
436 {
437 /*
438 * Sony USB Key-Storage
439 * PR: kern/46386
440 */
441 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
442 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
443 },
444 {
445 /*
446 * Lexar Media Jumpdrive
447 * PR: kern/47006
448 */
449 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LEXAR", "DIGITAL FILM", "*"},
450 /*quirks*/ DA_Q_NO_6_BYTE
451 },
452 {
453 /*
454 * Pentax USB Optio 230 camera
455 * PR: kern/46369
456 */
457 {T_DIRECT, SIP_MEDIA_REMOVABLE,
458 "PENTAX", "DIGITAL_CAMERA", "*"},
459 /*quirks*/ DA_Q_NO_6_BYTE
460 },
461 {
462 /*
463 * Casio QV-R3 USB camera (uses Pentax chip as above)
464 * PR: kern/46545
465 */
466 {T_DIRECT, SIP_MEDIA_REMOVABLE,
467 "CASIO", "DIGITAL_CAMERA", "*"},
468 /*quirks*/ DA_Q_NO_6_BYTE
469 },
470 {
471 /*
472 * M-Systems DiskOnKey USB flash key
473 * PR: kern/47793
474 */
475 {T_DIRECT, SIP_MEDIA_REMOVABLE, "M-Sys", "DiskOnKey", "*"},
476 /*quirks*/ DA_Q_NO_6_BYTE
477 },
478 {
479 /*
480 * SanDisk ImageMate (I, II, ...) compact flash
481 * PR: kern/47877
482 */
483 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk", "ImageMate*", "*"},
484 /*quirks*/ DA_Q_NO_6_BYTE
485 },
486 {
487 /*
488 * Feiya "slider" dual-slot flash reader. The vendor field
489 * is blank so this may match other devices.
490 * PR: kern/50020
491 */
492 {T_DIRECT, SIP_MEDIA_REMOVABLE, "", "USB CARD READER", "*"},
493 /*quirks*/ DA_Q_NO_6_BYTE
494 },
495 {
496 /*
497 * SmartDisk (Mitsumi) USB floppy drive
498 * PR: kern/50226
499 */
500 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
501 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
502 },
503 {
504 /*
505 * OTi USB Flash Key
506 * PR: kern/51825
507 */
508 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OTi", "Flash Disk", "*"},
509 /*quirks*/ DA_Q_NO_6_BYTE
510 }
511 };
512
513 static disk_strategy_t dastrategy;
514 static dumper_t dadump;
515 static periph_init_t dainit;
516 static void daasync(void *callback_arg, u_int32_t code,
517 struct cam_path *path, void *arg);
518 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
519 static periph_ctor_t daregister;
520 static periph_dtor_t dacleanup;
521 static periph_start_t dastart;
522 static periph_oninv_t daoninvalidate;
523 static void dadone(struct cam_periph *periph,
524 union ccb *done_ccb);
525 static int daerror(union ccb *ccb, u_int32_t cam_flags,
526 u_int32_t sense_flags);
527 static void daprevent(struct cam_periph *periph, int action);
528 static int dagetcapacity(struct cam_periph *periph);
529 static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
530 uint64_t maxsector);
531 static timeout_t dasendorderedtag;
532 static void dashutdown(void *arg, int howto);
533
534 #ifndef DA_DEFAULT_TIMEOUT
535 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
536 #endif
537
538 #ifndef DA_DEFAULT_RETRY
539 #define DA_DEFAULT_RETRY 4
540 #endif
541
542 static int da_retry_count = DA_DEFAULT_RETRY;
543 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
544
545 SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
546 "CAM Direct Access Disk driver");
547 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
548 &da_retry_count, 0, "Normal I/O retry count");
549 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
550 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
551 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
552 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
553
554 /*
555 * DA_ORDEREDTAG_INTERVAL determines how often, relative
556 * to the default timeout, we check to see whether an ordered
557 * tagged transaction is appropriate to prevent simple tag
558 * starvation. Since we'd like to ensure that there is at least
559 * 1/2 of the timeout length left for a starved transaction to
560 * complete after we've sent an ordered tag, we must poll at least
561 * four times in every timeout period. This takes care of the worst
562 * case where a starved transaction starts during an interval that
563 * meets the requirement "don't send an ordered tag" test so it takes
564 * us two intervals to determine that a tag must be sent.
565 */
566 #ifndef DA_ORDEREDTAG_INTERVAL
567 #define DA_ORDEREDTAG_INTERVAL 4
568 #endif
569
570 static struct periph_driver dadriver =
571 {
572 dainit, "da",
573 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
574 };
575
576 PERIPHDRIVER_DECLARE(da, dadriver);
577
578 static SLIST_HEAD(,da_softc) softc_list;
579
580 static int
581 daopen(struct disk *dp)
582 {
583 struct cam_periph *periph;
584 struct da_softc *softc;
585 int unit;
586 int error;
587 int s;
588
589 s = splsoftcam();
590 periph = (struct cam_periph *)dp->d_drv1;
591 unit = periph->unit_number;
592 if (periph == NULL) {
593 splx(s);
594 return (ENXIO);
595 }
596
597 softc = (struct da_softc *)periph->softc;
598
599 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
600 ("daopen: disk=%s%d (unit %d)\n", dp->d_name, dp->d_unit,
601 unit));
602
603 if ((error = cam_periph_lock(periph, PRIBIO|PCATCH)) != 0)
604 return (error); /* error code from tsleep */
605
606 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
607 return(ENXIO);
608 softc->flags |= DA_FLAG_OPEN;
609
610 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
611 /* Invalidate our pack information. */
612 softc->flags &= ~DA_FLAG_PACK_INVALID;
613 }
614 splx(s);
615
616 error = dagetcapacity(periph);
617
618 if (error == 0) {
619
620 softc->disk.d_sectorsize = softc->params.secsize;
621 softc->disk.d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
622 /* XXX: these are not actually "firmware" values, so they may be wrong */
623 softc->disk.d_fwsectors = softc->params.secs_per_track;
624 softc->disk.d_fwheads = softc->params.heads;
625 softc->disk.d_devstat->block_size = softc->params.secsize;
626 softc->disk.d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
627 }
628
629 if (error == 0) {
630 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
631 daprevent(periph, PR_PREVENT);
632 } else {
633 softc->flags &= ~DA_FLAG_OPEN;
634 cam_periph_release(periph);
635 }
636 cam_periph_unlock(periph);
637 return (error);
638 }
639
640 static int
641 daclose(struct disk *dp)
642 {
643 struct cam_periph *periph;
644 struct da_softc *softc;
645 int error;
646
647 periph = (struct cam_periph *)dp->d_drv1;
648 if (periph == NULL)
649 return (ENXIO);
650
651 softc = (struct da_softc *)periph->softc;
652
653 if ((error = cam_periph_lock(periph, PRIBIO)) != 0) {
654 return (error); /* error code from tsleep */
655 }
656
657 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
658 union ccb *ccb;
659
660 ccb = cam_periph_getccb(periph, /*priority*/1);
661
662 scsi_synchronize_cache(&ccb->csio,
663 /*retries*/1,
664 /*cbfcnp*/dadone,
665 MSG_SIMPLE_Q_TAG,
666 /*begin_lba*/0,/* Cover the whole disk */
667 /*lb_count*/0,
668 SSD_FULL_SIZE,
669 5 * 60 * 1000);
670
671 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
672 /*sense_flags*/SF_RETRY_UA,
673 softc->disk.d_devstat);
674
675 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
676 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
677 CAM_SCSI_STATUS_ERROR) {
678 int asc, ascq;
679 int sense_key, error_code;
680
681 scsi_extract_sense(&ccb->csio.sense_data,
682 &error_code,
683 &sense_key,
684 &asc, &ascq);
685 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
686 scsi_sense_print(&ccb->csio);
687 } else {
688 xpt_print_path(periph->path);
689 printf("Synchronize cache failed, status "
690 "== 0x%x, scsi status == 0x%x\n",
691 ccb->csio.ccb_h.status,
692 ccb->csio.scsi_status);
693 }
694 }
695
696 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
697 cam_release_devq(ccb->ccb_h.path,
698 /*relsim_flags*/0,
699 /*reduction*/0,
700 /*timeout*/0,
701 /*getcount_only*/0);
702
703 xpt_release_ccb(ccb);
704
705 }
706
707 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
708 daprevent(periph, PR_ALLOW);
709 /*
710 * If we've got removeable media, mark the blocksize as
711 * unavailable, since it could change when new media is
712 * inserted.
713 */
714 softc->disk.d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
715 }
716
717 softc->flags &= ~DA_FLAG_OPEN;
718 cam_periph_unlock(periph);
719 cam_periph_release(periph);
720 return (0);
721 }
722
723 /*
724 * Actually translate the requested transfer into one the physical driver
725 * can understand. The transfer is described by a buf and will include
726 * only one physical transfer.
727 */
728 static void
729 dastrategy(struct bio *bp)
730 {
731 struct cam_periph *periph;
732 struct da_softc *softc;
733 int s;
734
735 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
736 if (periph == NULL) {
737 biofinish(bp, NULL, ENXIO);
738 return;
739 }
740 softc = (struct da_softc *)periph->softc;
741 #if 0
742 /*
743 * check it's not too big a transfer for our adapter
744 */
745 scsi_minphys(bp,&sd_switch);
746 #endif
747
748 /*
749 * Mask interrupts so that the pack cannot be invalidated until
750 * after we are in the queue. Otherwise, we might not properly
751 * clean up one of the buffers.
752 */
753 s = splbio();
754
755 /*
756 * If the device has been made invalid, error out
757 */
758 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
759 splx(s);
760 biofinish(bp, NULL, ENXIO);
761 return;
762 }
763
764 /*
765 * Place it in the queue of disk activities for this disk
766 */
767 bioq_disksort(&softc->bio_queue, bp);
768
769 splx(s);
770
771 /*
772 * Schedule ourselves for performing the work.
773 */
774 xpt_schedule(periph, /* XXX priority */1);
775
776 return;
777 }
778
779 static int
780 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
781 {
782 struct cam_periph *periph;
783 struct da_softc *softc;
784 u_int secsize;
785 struct ccb_scsiio csio;
786 struct disk *dp;
787
788 dp = arg;
789 periph = dp->d_drv1;
790 if (periph == NULL)
791 return (ENXIO);
792 softc = (struct da_softc *)periph->softc;
793 secsize = softc->params.secsize;
794
795 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
796 return (ENXIO);
797
798 if (length > 0) {
799 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
800 csio.ccb_h.ccb_state = DA_CCB_DUMP;
801 scsi_read_write(&csio,
802 /*retries*/1,
803 dadone,
804 MSG_ORDERED_Q_TAG,
805 /*read*/FALSE,
806 /*byte2*/0,
807 /*minimum_cmd_size*/ softc->minimum_cmd_size,
808 offset / secsize,
809 length / secsize,
810 /*data_ptr*/(u_int8_t *) virtual,
811 /*dxfer_len*/length,
812 /*sense_len*/SSD_FULL_SIZE,
813 DA_DEFAULT_TIMEOUT * 1000);
814 xpt_polled_action((union ccb *)&csio);
815
816 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
817 printf("Aborting dump due to I/O error.\n");
818 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
819 CAM_SCSI_STATUS_ERROR)
820 scsi_sense_print(&csio);
821 else
822 printf("status == 0x%x, scsi status == 0x%x\n",
823 csio.ccb_h.status, csio.scsi_status);
824 return(EIO);
825 }
826 return(0);
827 }
828
829 /*
830 * Sync the disk cache contents to the physical media.
831 */
832 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
833
834 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
835 csio.ccb_h.ccb_state = DA_CCB_DUMP;
836 scsi_synchronize_cache(&csio,
837 /*retries*/1,
838 /*cbfcnp*/dadone,
839 MSG_SIMPLE_Q_TAG,
840 /*begin_lba*/0,/* Cover the whole disk */
841 /*lb_count*/0,
842 SSD_FULL_SIZE,
843 5 * 60 * 1000);
844 xpt_polled_action((union ccb *)&csio);
845
846 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
847 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
848 CAM_SCSI_STATUS_ERROR) {
849 int asc, ascq;
850 int sense_key, error_code;
851
852 scsi_extract_sense(&csio.sense_data,
853 &error_code,
854 &sense_key,
855 &asc, &ascq);
856 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
857 scsi_sense_print(&csio);
858 } else {
859 xpt_print_path(periph->path);
860 printf("Synchronize cache failed, status "
861 "== 0x%x, scsi status == 0x%x\n",
862 csio.ccb_h.status, csio.scsi_status);
863 }
864 }
865 }
866 return (0);
867 }
868
869 static void
870 dainit(void)
871 {
872 cam_status status;
873 struct cam_path *path;
874
875 SLIST_INIT(&softc_list);
876
877 /*
878 * Install a global async callback. This callback will
879 * receive async callbacks like "new device found".
880 */
881 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
882 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
883
884 if (status == CAM_REQ_CMP) {
885 struct ccb_setasync csa;
886
887 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
888 csa.ccb_h.func_code = XPT_SASYNC_CB;
889 csa.event_enable = AC_FOUND_DEVICE;
890 csa.callback = daasync;
891 csa.callback_arg = NULL;
892 xpt_action((union ccb *)&csa);
893 status = csa.ccb_h.status;
894 xpt_free_path(path);
895 }
896
897 if (status != CAM_REQ_CMP) {
898 printf("da: Failed to attach master async callback "
899 "due to status 0x%x!\n", status);
900 } else {
901
902 /*
903 * Schedule a periodic event to occasionally send an
904 * ordered tag to a device.
905 */
906 timeout(dasendorderedtag, NULL,
907 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
908
909 /* Register our shutdown event handler */
910 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
911 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
912 printf("dainit: shutdown event registration failed!\n");
913 }
914 }
915
916 static void
917 daoninvalidate(struct cam_periph *periph)
918 {
919 int s;
920 struct da_softc *softc;
921 struct ccb_setasync csa;
922
923 softc = (struct da_softc *)periph->softc;
924
925 /*
926 * De-register any async callbacks.
927 */
928 xpt_setup_ccb(&csa.ccb_h, periph->path,
929 /* priority */ 5);
930 csa.ccb_h.func_code = XPT_SASYNC_CB;
931 csa.event_enable = 0;
932 csa.callback = daasync;
933 csa.callback_arg = periph;
934 xpt_action((union ccb *)&csa);
935
936 softc->flags |= DA_FLAG_PACK_INVALID;
937
938 /*
939 * Although the oninvalidate() routines are always called at
940 * splsoftcam, we need to be at splbio() here to keep the buffer
941 * queue from being modified while we traverse it.
942 */
943 s = splbio();
944
945 /*
946 * Return all queued I/O with ENXIO.
947 * XXX Handle any transactions queued to the card
948 * with XPT_ABORT_CCB.
949 */
950 bioq_flush(&softc->bio_queue, NULL, ENXIO);
951 splx(s);
952
953 SLIST_REMOVE(&softc_list, softc, da_softc, links);
954
955 xpt_print_path(periph->path);
956 printf("lost device\n");
957 }
958
959 static void
960 dacleanup(struct cam_periph *periph)
961 {
962 struct da_softc *softc;
963
964 softc = (struct da_softc *)periph->softc;
965
966 xpt_print_path(periph->path);
967 printf("removing device entry\n");
968 /*
969 * If we can't free the sysctl tree, oh well...
970 */
971 if (sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
972 xpt_print_path(periph->path);
973 printf("can't remove sysctl context\n");
974 }
975 disk_destroy(&softc->disk);
976 free(softc, M_DEVBUF);
977 }
978
979 static void
980 daasync(void *callback_arg, u_int32_t code,
981 struct cam_path *path, void *arg)
982 {
983 struct cam_periph *periph;
984
985 periph = (struct cam_periph *)callback_arg;
986 switch (code) {
987 case AC_FOUND_DEVICE:
988 {
989 struct ccb_getdev *cgd;
990 cam_status status;
991
992 cgd = (struct ccb_getdev *)arg;
993 if (cgd == NULL)
994 break;
995
996 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
997 && SID_TYPE(&cgd->inq_data) != T_RBC
998 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
999 break;
1000
1001 /*
1002 * Allocate a peripheral instance for
1003 * this device and start the probe
1004 * process.
1005 */
1006 status = cam_periph_alloc(daregister, daoninvalidate,
1007 dacleanup, dastart,
1008 "da", CAM_PERIPH_BIO,
1009 cgd->ccb_h.path, daasync,
1010 AC_FOUND_DEVICE, cgd);
1011
1012 if (status != CAM_REQ_CMP
1013 && status != CAM_REQ_INPROG)
1014 printf("daasync: Unable to attach to new device "
1015 "due to status 0x%x\n", status);
1016 break;
1017 }
1018 case AC_SENT_BDR:
1019 case AC_BUS_RESET:
1020 {
1021 struct da_softc *softc;
1022 struct ccb_hdr *ccbh;
1023 int s;
1024
1025 softc = (struct da_softc *)periph->softc;
1026 s = splsoftcam();
1027 /*
1028 * Don't fail on the expected unit attention
1029 * that will occur.
1030 */
1031 softc->flags |= DA_FLAG_RETRY_UA;
1032 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1033 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1034 splx(s);
1035 /* FALLTHROUGH*/
1036 }
1037 default:
1038 cam_periph_async(periph, code, path, arg);
1039 break;
1040 }
1041 }
1042
1043 static int
1044 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1045 {
1046 int error, value;
1047
1048 value = *(int *)arg1;
1049
1050 error = sysctl_handle_int(oidp, &value, 0, req);
1051
1052 if ((error != 0)
1053 || (req->newptr == NULL))
1054 return (error);
1055
1056 /*
1057 * Acceptable values here are 6, 10, 12 or 16.
1058 */
1059 if (value < 6)
1060 value = 6;
1061 else if ((value > 6)
1062 && (value <= 10))
1063 value = 10;
1064 else if ((value > 10)
1065 && (value <= 12))
1066 value = 12;
1067 else if (value > 12)
1068 value = 16;
1069
1070 *(int *)arg1 = value;
1071
1072 return (0);
1073 }
1074
1075 static cam_status
1076 daregister(struct cam_periph *periph, void *arg)
1077 {
1078 int s;
1079 struct da_softc *softc;
1080 struct ccb_setasync csa;
1081 struct ccb_getdev *cgd;
1082 char tmpstr[80], tmpstr2[80];
1083 caddr_t match;
1084
1085 cgd = (struct ccb_getdev *)arg;
1086 if (periph == NULL) {
1087 printf("daregister: periph was NULL!!\n");
1088 return(CAM_REQ_CMP_ERR);
1089 }
1090
1091 if (cgd == NULL) {
1092 printf("daregister: no getdev CCB, can't register device\n");
1093 return(CAM_REQ_CMP_ERR);
1094 }
1095
1096 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1097 M_NOWAIT|M_ZERO);
1098
1099 if (softc == NULL) {
1100 printf("daregister: Unable to probe new device. "
1101 "Unable to allocate softc\n");
1102 return(CAM_REQ_CMP_ERR);
1103 }
1104
1105 LIST_INIT(&softc->pending_ccbs);
1106 softc->state = DA_STATE_PROBE;
1107 bioq_init(&softc->bio_queue);
1108 if (SID_IS_REMOVABLE(&cgd->inq_data))
1109 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1110 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1111 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1112
1113 periph->softc = softc;
1114
1115 /*
1116 * See if this device has any quirks.
1117 */
1118 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1119 (caddr_t)da_quirk_table,
1120 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1121 sizeof(*da_quirk_table), scsi_inquiry_match);
1122
1123 if (match != NULL)
1124 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1125 else
1126 softc->quirks = DA_Q_NONE;
1127
1128 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1129 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1130 sysctl_ctx_init(&softc->sysctl_ctx);
1131 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1132 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1133 CTLFLAG_RD, 0, tmpstr);
1134 if (softc->sysctl_tree == NULL) {
1135 printf("daregister: unable to allocate sysctl tree\n");
1136 free(softc, M_DEVBUF);
1137 return (CAM_REQ_CMP_ERR);
1138 }
1139
1140 /*
1141 * RBC devices don't have to support READ(6), only READ(10).
1142 */
1143 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1144 softc->minimum_cmd_size = 10;
1145 else
1146 softc->minimum_cmd_size = 6;
1147
1148 /*
1149 * Load the user's default, if any.
1150 */
1151 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1152 periph->unit_number);
1153 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1154
1155 /*
1156 * 6, 10, 12 and 16 are the currently permissible values.
1157 */
1158 if (softc->minimum_cmd_size < 6)
1159 softc->minimum_cmd_size = 6;
1160 else if ((softc->minimum_cmd_size > 6)
1161 && (softc->minimum_cmd_size <= 10))
1162 softc->minimum_cmd_size = 10;
1163 else if ((softc->minimum_cmd_size > 10)
1164 && (softc->minimum_cmd_size <= 12))
1165 softc->minimum_cmd_size = 12;
1166 else if (softc->minimum_cmd_size > 12)
1167 softc->minimum_cmd_size = 16;
1168
1169 /*
1170 * Now register the sysctl handler, so the user can the value on
1171 * the fly.
1172 */
1173 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1174 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1175 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1176 "Minimum CDB size");
1177
1178 /*
1179 * Block our timeout handler while we
1180 * add this softc to the dev list.
1181 */
1182 s = splsoftclock();
1183 SLIST_INSERT_HEAD(&softc_list, softc, links);
1184 splx(s);
1185
1186 /*
1187 * Register this media as a disk
1188 */
1189
1190 softc->disk.d_open = daopen;
1191 softc->disk.d_close = daclose;
1192 softc->disk.d_strategy = dastrategy;
1193 softc->disk.d_dump = dadump;
1194 softc->disk.d_name = "da";
1195 softc->disk.d_drv1 = periph;
1196 softc->disk.d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */
1197 disk_create(periph->unit_number, &softc->disk, 0, NULL, NULL);
1198
1199 /*
1200 * Add async callbacks for bus reset and
1201 * bus device reset calls. I don't bother
1202 * checking if this fails as, in most cases,
1203 * the system will function just fine without
1204 * them and the only alternative would be to
1205 * not attach the device on failure.
1206 */
1207 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1208 csa.ccb_h.func_code = XPT_SASYNC_CB;
1209 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1210 csa.callback = daasync;
1211 csa.callback_arg = periph;
1212 xpt_action((union ccb *)&csa);
1213 /*
1214 * Lock this peripheral until we are setup.
1215 * This first call can't block
1216 */
1217 (void)cam_periph_lock(periph, PRIBIO);
1218 xpt_schedule(periph, /*priority*/5);
1219
1220 return(CAM_REQ_CMP);
1221 }
1222
1223 static void
1224 dastart(struct cam_periph *periph, union ccb *start_ccb)
1225 {
1226 struct da_softc *softc;
1227
1228 softc = (struct da_softc *)periph->softc;
1229
1230
1231 switch (softc->state) {
1232 case DA_STATE_NORMAL:
1233 {
1234 /* Pull a buffer from the queue and get going on it */
1235 struct bio *bp;
1236 int s;
1237
1238 /*
1239 * See if there is a buf with work for us to do..
1240 */
1241 s = splbio();
1242 bp = bioq_first(&softc->bio_queue);
1243 if (periph->immediate_priority <= periph->pinfo.priority) {
1244 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1245 ("queuing for immediate ccb\n"));
1246 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1247 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1248 periph_links.sle);
1249 periph->immediate_priority = CAM_PRIORITY_NONE;
1250 splx(s);
1251 wakeup(&periph->ccb_list);
1252 } else if (bp == NULL) {
1253 splx(s);
1254 xpt_release_ccb(start_ccb);
1255 } else {
1256 int oldspl;
1257 u_int8_t tag_code;
1258
1259 bioq_remove(&softc->bio_queue, bp);
1260
1261 if ((softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1262 softc->flags &= ~DA_FLAG_NEED_OTAG;
1263 softc->ordered_tag_count++;
1264 tag_code = MSG_ORDERED_Q_TAG;
1265 } else {
1266 tag_code = MSG_SIMPLE_Q_TAG;
1267 }
1268 scsi_read_write(&start_ccb->csio,
1269 /*retries*/da_retry_count,
1270 /*cbfcnp*/dadone,
1271 /*tag_action*/tag_code,
1272 /*read_op*/bp->bio_cmd == BIO_READ,
1273 /*byte2*/0,
1274 softc->minimum_cmd_size,
1275 /*lba*/bp->bio_pblkno,
1276 /*block_count*/bp->bio_bcount /
1277 softc->params.secsize,
1278 /*data_ptr*/ bp->bio_data,
1279 /*dxfer_len*/ bp->bio_bcount,
1280 /*sense_len*/SSD_FULL_SIZE,
1281 /*timeout*/da_default_timeout*1000);
1282 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1283
1284 /*
1285 * Block out any asyncronous callbacks
1286 * while we touch the pending ccb list.
1287 */
1288 oldspl = splcam();
1289 LIST_INSERT_HEAD(&softc->pending_ccbs,
1290 &start_ccb->ccb_h, periph_links.le);
1291 softc->outstanding_cmds++;
1292 splx(oldspl);
1293
1294 /* We expect a unit attention from this device */
1295 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1296 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1297 softc->flags &= ~DA_FLAG_RETRY_UA;
1298 }
1299
1300 start_ccb->ccb_h.ccb_bp = bp;
1301 bp = bioq_first(&softc->bio_queue);
1302 splx(s);
1303
1304 xpt_action(start_ccb);
1305 }
1306
1307 if (bp != NULL) {
1308 /* Have more work to do, so ensure we stay scheduled */
1309 xpt_schedule(periph, /* XXX priority */1);
1310 }
1311 break;
1312 }
1313 case DA_STATE_PROBE:
1314 {
1315 struct ccb_scsiio *csio;
1316 struct scsi_read_capacity_data *rcap;
1317
1318 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1319 M_TEMP,
1320 M_NOWAIT);
1321 if (rcap == NULL) {
1322 printf("dastart: Couldn't malloc read_capacity data\n");
1323 /* da_free_periph??? */
1324 break;
1325 }
1326 csio = &start_ccb->csio;
1327 scsi_read_capacity(csio,
1328 /*retries*/4,
1329 dadone,
1330 MSG_SIMPLE_Q_TAG,
1331 rcap,
1332 SSD_FULL_SIZE,
1333 /*timeout*/5000);
1334 start_ccb->ccb_h.ccb_bp = NULL;
1335 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1336 xpt_action(start_ccb);
1337 break;
1338 }
1339 case DA_STATE_PROBE2:
1340 {
1341 struct ccb_scsiio *csio;
1342 struct scsi_read_capacity_data_long *rcaplong;
1343
1344 rcaplong = (struct scsi_read_capacity_data_long *)
1345 malloc(sizeof(*rcaplong), M_TEMP, M_NOWAIT);
1346 if (rcaplong == NULL) {
1347 printf("dastart: Couldn't malloc read_capacity data\n");
1348 /* da_free_periph??? */
1349 break;
1350 }
1351 csio = &start_ccb->csio;
1352 scsi_read_capacity_16(csio,
1353 /*retries*/ 4,
1354 /*cbfcnp*/ dadone,
1355 /*tag_action*/ MSG_SIMPLE_Q_TAG,
1356 /*lba*/ 0,
1357 /*reladr*/ 0,
1358 /*pmi*/ 0,
1359 rcaplong,
1360 /*sense_len*/ SSD_FULL_SIZE,
1361 /*timeout*/ 60000);
1362 start_ccb->ccb_h.ccb_bp = NULL;
1363 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE2;
1364 xpt_action(start_ccb);
1365 break;
1366 }
1367 }
1368 }
1369
1370 static int
1371 cmd6workaround(union ccb *ccb)
1372 {
1373 struct scsi_rw_6 cmd6;
1374 struct scsi_rw_10 *cmd10;
1375 struct da_softc *softc;
1376 u_int8_t *cdb;
1377 int frozen;
1378
1379 cdb = ccb->csio.cdb_io.cdb_bytes;
1380
1381 /* Translation only possible if CDB is an array and cmd is R/W6 */
1382 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1383 (*cdb != READ_6 && *cdb != WRITE_6))
1384 return 0;
1385
1386 xpt_print_path(ccb->ccb_h.path);
1387 printf("READ(6)/WRITE(6) not supported, "
1388 "increasing minimum_cmd_size to 10.\n");
1389 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1390 softc->minimum_cmd_size = 10;
1391
1392 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1393 cmd10 = (struct scsi_rw_10 *)cdb;
1394 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1395 cmd10->byte2 = 0;
1396 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1397 cmd10->reserved = 0;
1398 scsi_ulto2b(cmd6.length, cmd10->length);
1399 cmd10->control = cmd6.control;
1400 ccb->csio.cdb_len = sizeof(*cmd10);
1401
1402 /* Requeue request, unfreezing queue if necessary */
1403 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1404 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1405 xpt_action(ccb);
1406 if (frozen) {
1407 cam_release_devq(ccb->ccb_h.path,
1408 /*relsim_flags*/0,
1409 /*reduction*/0,
1410 /*timeout*/0,
1411 /*getcount_only*/0);
1412 }
1413 return (ERESTART);
1414 }
1415
1416 static void
1417 dadone(struct cam_periph *periph, union ccb *done_ccb)
1418 {
1419 struct da_softc *softc;
1420 struct ccb_scsiio *csio;
1421
1422 softc = (struct da_softc *)periph->softc;
1423 csio = &done_ccb->csio;
1424 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1425 case DA_CCB_BUFFER_IO:
1426 {
1427 struct bio *bp;
1428 int oldspl;
1429
1430 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
1431 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1432 int error;
1433 int s;
1434 int sf;
1435
1436 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1437 sf = SF_RETRY_UA;
1438 else
1439 sf = 0;
1440
1441 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
1442 if (error == ERESTART) {
1443 /*
1444 * A retry was scheuled, so
1445 * just return.
1446 */
1447 return;
1448 }
1449 if (error != 0) {
1450
1451 s = splbio();
1452
1453 if (error == ENXIO) {
1454 /*
1455 * Catastrophic error. Mark our pack as
1456 * invalid.
1457 */
1458 /* XXX See if this is really a media
1459 * change first.
1460 */
1461 xpt_print_path(periph->path);
1462 printf("Invalidating pack\n");
1463 softc->flags |= DA_FLAG_PACK_INVALID;
1464 }
1465
1466 /*
1467 * return all queued I/O with EIO, so that
1468 * the client can retry these I/Os in the
1469 * proper order should it attempt to recover.
1470 */
1471 bioq_flush(&softc->bio_queue, NULL, EIO);
1472 splx(s);
1473 bp->bio_error = error;
1474 bp->bio_resid = bp->bio_bcount;
1475 bp->bio_flags |= BIO_ERROR;
1476 } else {
1477 bp->bio_resid = csio->resid;
1478 bp->bio_error = 0;
1479 if (bp->bio_resid != 0) {
1480 /* Short transfer ??? */
1481 #if 0
1482 if (cmd6workaround(done_ccb)
1483 == ERESTART)
1484 return;
1485 #endif
1486 bp->bio_flags |= BIO_ERROR;
1487 }
1488 }
1489 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1490 cam_release_devq(done_ccb->ccb_h.path,
1491 /*relsim_flags*/0,
1492 /*reduction*/0,
1493 /*timeout*/0,
1494 /*getcount_only*/0);
1495 } else {
1496 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1497 panic("REQ_CMP with QFRZN");
1498 bp->bio_resid = csio->resid;
1499 if (csio->resid > 0) {
1500 /* Short transfer ??? */
1501 #if 0 /* XXX most of the broken umass devices need this ad-hoc work around */
1502 if (cmd6workaround(done_ccb) == ERESTART)
1503 return;
1504 #endif
1505 bp->bio_flags |= BIO_ERROR;
1506 }
1507 }
1508
1509 /*
1510 * Block out any asyncronous callbacks
1511 * while we touch the pending ccb list.
1512 */
1513 oldspl = splcam();
1514 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1515 softc->outstanding_cmds--;
1516 if (softc->outstanding_cmds == 0)
1517 softc->flags |= DA_FLAG_WENT_IDLE;
1518 splx(oldspl);
1519
1520 biodone(bp);
1521 break;
1522 }
1523 case DA_CCB_PROBE:
1524 case DA_CCB_PROBE2:
1525 {
1526 struct scsi_read_capacity_data *rdcap;
1527 struct scsi_read_capacity_data_long *rcaplong;
1528 char announce_buf[80];
1529
1530 rdcap = NULL;
1531 rcaplong = NULL;
1532 if (softc->state == DA_STATE_PROBE)
1533 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
1534 else
1535 rcaplong = (struct scsi_read_capacity_data_long *)
1536 csio->data_ptr;
1537
1538 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1539 struct disk_params *dp;
1540 uint32_t block_size;
1541 uint64_t maxsector;
1542
1543 if (softc->state == DA_STATE_PROBE) {
1544 block_size = scsi_4btoul(rdcap->length);
1545 maxsector = scsi_4btoul(rdcap->addr);
1546
1547 /*
1548 * According to SBC-2, if the standard 10
1549 * byte READ CAPACITY command returns 2^32,
1550 * we should issue the 16 byte version of
1551 * the command, since the device in question
1552 * has more sectors than can be represented
1553 * with the short version of the command.
1554 */
1555 if (maxsector == 0xffffffff) {
1556 softc->state = DA_STATE_PROBE2;
1557 free(rdcap, M_TEMP);
1558 xpt_release_ccb(done_ccb);
1559 xpt_schedule(periph, /*priority*/5);
1560 return;
1561 }
1562 } else {
1563 block_size = scsi_4btoul(rcaplong->length);
1564 maxsector = scsi_8btou64(rcaplong->addr);
1565 }
1566 dasetgeom(periph, block_size, maxsector);
1567 dp = &softc->params;
1568 snprintf(announce_buf, sizeof(announce_buf),
1569 "%juMB (%ju %u byte sectors: %dH %dS/T %dC)",
1570 (uintmax_t) (((uintmax_t)dp->secsize *
1571 dp->sectors) / (1024*1024)),
1572 (uintmax_t)dp->sectors,
1573 dp->secsize, dp->heads, dp->secs_per_track,
1574 dp->cylinders);
1575 } else {
1576 int error;
1577
1578 announce_buf[0] = '\0';
1579
1580 /*
1581 * Retry any UNIT ATTENTION type errors. They
1582 * are expected at boot.
1583 */
1584 error = daerror(done_ccb, CAM_RETRY_SELTO,
1585 SF_RETRY_UA|SF_NO_PRINT);
1586 if (error == ERESTART) {
1587 /*
1588 * A retry was scheuled, so
1589 * just return.
1590 */
1591 return;
1592 } else if (error != 0) {
1593 struct scsi_sense_data *sense;
1594 int asc, ascq;
1595 int sense_key, error_code;
1596 int have_sense;
1597 cam_status status;
1598 struct ccb_getdev cgd;
1599
1600 /* Don't wedge this device's queue */
1601 status = done_ccb->ccb_h.status;
1602 if ((status & CAM_DEV_QFRZN) != 0)
1603 cam_release_devq(done_ccb->ccb_h.path,
1604 /*relsim_flags*/0,
1605 /*reduction*/0,
1606 /*timeout*/0,
1607 /*getcount_only*/0);
1608
1609
1610 xpt_setup_ccb(&cgd.ccb_h,
1611 done_ccb->ccb_h.path,
1612 /* priority */ 1);
1613 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1614 xpt_action((union ccb *)&cgd);
1615
1616 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1617 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1618 || ((status & CAM_AUTOSNS_VALID) == 0))
1619 have_sense = FALSE;
1620 else
1621 have_sense = TRUE;
1622
1623 if (have_sense) {
1624 sense = &csio->sense_data;
1625 scsi_extract_sense(sense, &error_code,
1626 &sense_key,
1627 &asc, &ascq);
1628 }
1629 /*
1630 * Attach to anything that claims to be a
1631 * direct access or optical disk device,
1632 * as long as it doesn't return a "Logical
1633 * unit not supported" (0x25) error.
1634 */
1635 if ((have_sense) && (asc != 0x25)
1636 && (error_code == SSD_CURRENT_ERROR)) {
1637 const char *sense_key_desc;
1638 const char *asc_desc;
1639
1640 scsi_sense_desc(sense_key, asc, ascq,
1641 &cgd.inq_data,
1642 &sense_key_desc,
1643 &asc_desc);
1644 snprintf(announce_buf,
1645 sizeof(announce_buf),
1646 "Attempt to query device "
1647 "size failed: %s, %s",
1648 sense_key_desc,
1649 asc_desc);
1650 } else {
1651 if (have_sense)
1652 scsi_sense_print(
1653 &done_ccb->csio);
1654 else {
1655 xpt_print_path(periph->path);
1656 printf("got CAM status %#x\n",
1657 done_ccb->ccb_h.status);
1658 }
1659
1660 xpt_print_path(periph->path);
1661 printf("fatal error, failed"
1662 " to attach to device\n");
1663
1664 /*
1665 * Free up resources.
1666 */
1667 cam_periph_invalidate(periph);
1668 }
1669 }
1670 }
1671 free(csio->data_ptr, M_TEMP);
1672 if (announce_buf[0] != '\0')
1673 xpt_announce_periph(periph, announce_buf);
1674 softc->state = DA_STATE_NORMAL;
1675 /*
1676 * Since our peripheral may be invalidated by an error
1677 * above or an external event, we must release our CCB
1678 * before releasing the probe lock on the peripheral.
1679 * The peripheral will only go away once the last lock
1680 * is removed, and we need it around for the CCB release
1681 * operation.
1682 */
1683 xpt_release_ccb(done_ccb);
1684 cam_periph_unlock(periph);
1685 return;
1686 }
1687 case DA_CCB_WAITING:
1688 {
1689 /* Caller will release the CCB */
1690 wakeup(&done_ccb->ccb_h.cbfcnp);
1691 return;
1692 }
1693 case DA_CCB_DUMP:
1694 /* No-op. We're polling */
1695 return;
1696 default:
1697 break;
1698 }
1699 xpt_release_ccb(done_ccb);
1700 }
1701
1702 static int
1703 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1704 {
1705 struct da_softc *softc;
1706 struct cam_periph *periph;
1707 int error;
1708
1709 periph = xpt_path_periph(ccb->ccb_h.path);
1710 softc = (struct da_softc *)periph->softc;
1711
1712 /*
1713 * Automatically detect devices that do not support
1714 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1715 */
1716 error = 0;
1717 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1718 error = cmd6workaround(ccb);
1719 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1720 CAM_SCSI_STATUS_ERROR)
1721 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1722 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1723 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1724 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1725 int sense_key, error_code, asc, ascq;
1726
1727 scsi_extract_sense(&ccb->csio.sense_data,
1728 &error_code, &sense_key, &asc, &ascq);
1729 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1730 error = cmd6workaround(ccb);
1731 }
1732 if (error == ERESTART)
1733 return (ERESTART);
1734
1735 /*
1736 * XXX
1737 * Until we have a better way of doing pack validation,
1738 * don't treat UAs as errors.
1739 */
1740 sense_flags |= SF_RETRY_UA;
1741 return(cam_periph_error(ccb, cam_flags, sense_flags,
1742 &softc->saved_ccb));
1743 }
1744
1745 static void
1746 daprevent(struct cam_periph *periph, int action)
1747 {
1748 struct da_softc *softc;
1749 union ccb *ccb;
1750 int error;
1751
1752 softc = (struct da_softc *)periph->softc;
1753
1754 if (((action == PR_ALLOW)
1755 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1756 || ((action == PR_PREVENT)
1757 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1758 return;
1759 }
1760
1761 ccb = cam_periph_getccb(periph, /*priority*/1);
1762
1763 scsi_prevent(&ccb->csio,
1764 /*retries*/1,
1765 /*cbcfp*/dadone,
1766 MSG_SIMPLE_Q_TAG,
1767 action,
1768 SSD_FULL_SIZE,
1769 5000);
1770
1771 error = cam_periph_runccb(ccb, /*error_routine*/NULL, CAM_RETRY_SELTO,
1772 SF_RETRY_UA, softc->disk.d_devstat);
1773
1774 if (error == 0) {
1775 if (action == PR_ALLOW)
1776 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1777 else
1778 softc->flags |= DA_FLAG_PACK_LOCKED;
1779 }
1780
1781 xpt_release_ccb(ccb);
1782 }
1783
1784 static int
1785 dagetcapacity(struct cam_periph *periph)
1786 {
1787 struct da_softc *softc;
1788 union ccb *ccb;
1789 struct scsi_read_capacity_data *rcap;
1790 struct scsi_read_capacity_data_long *rcaplong;
1791 uint32_t block_len;
1792 uint64_t maxsector;
1793 int error;
1794
1795 softc = (struct da_softc *)periph->softc;
1796 block_len = 0;
1797 maxsector = 0;
1798 error = 0;
1799
1800 /* Do a read capacity */
1801 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcaplong),
1802 M_TEMP,
1803 M_WAITOK);
1804
1805 ccb = cam_periph_getccb(periph, /*priority*/1);
1806 scsi_read_capacity(&ccb->csio,
1807 /*retries*/4,
1808 /*cbfncp*/dadone,
1809 MSG_SIMPLE_Q_TAG,
1810 rcap,
1811 SSD_FULL_SIZE,
1812 /*timeout*/60000);
1813 ccb->ccb_h.ccb_bp = NULL;
1814
1815 error = cam_periph_runccb(ccb, daerror,
1816 /*cam_flags*/CAM_RETRY_SELTO,
1817 /*sense_flags*/SF_RETRY_UA,
1818 softc->disk.d_devstat);
1819
1820 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1821 cam_release_devq(ccb->ccb_h.path,
1822 /*relsim_flags*/0,
1823 /*reduction*/0,
1824 /*timeout*/0,
1825 /*getcount_only*/0);
1826
1827 if (error == 0) {
1828 block_len = scsi_4btoul(rcap->length);
1829 maxsector = scsi_4btoul(rcap->addr);
1830
1831 if (maxsector != 0xffffffff)
1832 goto done;
1833 } else
1834 goto done;
1835
1836 rcaplong = (struct scsi_read_capacity_data_long *)rcap;
1837
1838 scsi_read_capacity_16(&ccb->csio,
1839 /*retries*/ 4,
1840 /*cbfcnp*/ dadone,
1841 /*tag_action*/ MSG_SIMPLE_Q_TAG,
1842 /*lba*/ 0,
1843 /*reladr*/ 0,
1844 /*pmi*/ 0,
1845 rcaplong,
1846 /*sense_len*/ SSD_FULL_SIZE,
1847 /*timeout*/ 60000);
1848 ccb->ccb_h.ccb_bp = NULL;
1849
1850 error = cam_periph_runccb(ccb, daerror,
1851 /*cam_flags*/CAM_RETRY_SELTO,
1852 /*sense_flags*/SF_RETRY_UA,
1853 softc->disk.d_devstat);
1854
1855 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1856 cam_release_devq(ccb->ccb_h.path,
1857 /*relsim_flags*/0,
1858 /*reduction*/0,
1859 /*timeout*/0,
1860 /*getcount_only*/0);
1861
1862 if (error == 0) {
1863 block_len = scsi_4btoul(rcaplong->length);
1864 maxsector = scsi_8btou64(rcaplong->addr);
1865 }
1866
1867 done:
1868
1869 if (error == 0)
1870 dasetgeom(periph, block_len, maxsector);
1871
1872 xpt_release_ccb(ccb);
1873
1874 free(rcap, M_TEMP);
1875
1876 return (error);
1877 }
1878
1879 static void
1880 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector)
1881 {
1882 struct ccb_calc_geometry ccg;
1883 struct da_softc *softc;
1884 struct disk_params *dp;
1885
1886 softc = (struct da_softc *)periph->softc;
1887
1888 dp = &softc->params;
1889 dp->secsize = block_len;
1890 dp->sectors = maxsector + 1;
1891 /*
1892 * Have the controller provide us with a geometry
1893 * for this disk. The only time the geometry
1894 * matters is when we boot and the controller
1895 * is the only one knowledgeable enough to come
1896 * up with something that will make this a bootable
1897 * device.
1898 */
1899 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1900 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1901 ccg.block_size = dp->secsize;
1902 ccg.volume_size = dp->sectors;
1903 ccg.heads = 0;
1904 ccg.secs_per_track = 0;
1905 ccg.cylinders = 0;
1906 xpt_action((union ccb*)&ccg);
1907 dp->heads = ccg.heads;
1908 dp->secs_per_track = ccg.secs_per_track;
1909 dp->cylinders = ccg.cylinders;
1910 }
1911
1912 static void
1913 dasendorderedtag(void *arg)
1914 {
1915 struct da_softc *softc;
1916 int s;
1917
1918 for (softc = SLIST_FIRST(&softc_list);
1919 softc != NULL;
1920 softc = SLIST_NEXT(softc, links)) {
1921 s = splsoftcam();
1922 if ((softc->ordered_tag_count == 0)
1923 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1924 softc->flags |= DA_FLAG_NEED_OTAG;
1925 }
1926 if (softc->outstanding_cmds > 0)
1927 softc->flags &= ~DA_FLAG_WENT_IDLE;
1928
1929 softc->ordered_tag_count = 0;
1930 splx(s);
1931 }
1932 /* Queue us up again */
1933 timeout(dasendorderedtag, NULL,
1934 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1935 }
1936
1937 /*
1938 * Step through all DA peripheral drivers, and if the device is still open,
1939 * sync the disk cache to physical media.
1940 */
1941 static void
1942 dashutdown(void * arg, int howto)
1943 {
1944 struct cam_periph *periph;
1945 struct da_softc *softc;
1946
1947 TAILQ_FOREACH(periph, &dadriver.units, unit_links) {
1948 union ccb ccb;
1949 softc = (struct da_softc *)periph->softc;
1950
1951 /*
1952 * We only sync the cache if the drive is still open, and
1953 * if the drive is capable of it..
1954 */
1955 if (((softc->flags & DA_FLAG_OPEN) == 0)
1956 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1957 continue;
1958
1959 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1960
1961 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1962 scsi_synchronize_cache(&ccb.csio,
1963 /*retries*/1,
1964 /*cbfcnp*/dadone,
1965 MSG_SIMPLE_Q_TAG,
1966 /*begin_lba*/0, /* whole disk */
1967 /*lb_count*/0,
1968 SSD_FULL_SIZE,
1969 60 * 60 * 1000);
1970
1971 xpt_polled_action(&ccb);
1972
1973 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1974 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1975 CAM_SCSI_STATUS_ERROR)
1976 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1977 int error_code, sense_key, asc, ascq;
1978
1979 scsi_extract_sense(&ccb.csio.sense_data,
1980 &error_code, &sense_key,
1981 &asc, &ascq);
1982
1983 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1984 scsi_sense_print(&ccb.csio);
1985 } else {
1986 xpt_print_path(periph->path);
1987 printf("Synchronize cache failed, status "
1988 "== 0x%x, scsi status == 0x%x\n",
1989 ccb.ccb_h.status, ccb.csio.scsi_status);
1990 }
1991 }
1992
1993 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1994 cam_release_devq(ccb.ccb_h.path,
1995 /*relsim_flags*/0,
1996 /*reduction*/0,
1997 /*timeout*/0,
1998 /*getcount_only*/0);
1999
2000 }
2001 }
2002
2003 #else /* !_KERNEL */
2004
2005 /*
2006 * XXX This is only left out of the kernel build to silence warnings. If,
2007 * for some reason this function is used in the kernel, the ifdefs should
2008 * be moved so it is included both in the kernel and userland.
2009 */
2010 void
2011 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
2012 void (*cbfcnp)(struct cam_periph *, union ccb *),
2013 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
2014 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
2015 u_int32_t timeout)
2016 {
2017 struct scsi_format_unit *scsi_cmd;
2018
2019 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
2020 scsi_cmd->opcode = FORMAT_UNIT;
2021 scsi_cmd->byte2 = byte2;
2022 scsi_ulto2b(ileave, scsi_cmd->interleave);
2023
2024 cam_fill_csio(csio,
2025 retries,
2026 cbfcnp,
2027 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
2028 tag_action,
2029 data_ptr,
2030 dxfer_len,
2031 sense_len,
2032 sizeof(*scsi_cmd),
2033 timeout);
2034 }
2035
2036 #endif /* _KERNEL */
Cache object: b8c6c194ed75524dfa95bb40e1d7e256
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