'Building databases' has 10 seconds worth of sleeps that it doesn't need.
[dragonfly.git] / sys / bus / cam / scsi / scsi_da.c
CommitLineData
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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: src/sys/cam/scsi/scsi_da.c,v 1.42.2.36 2003/05/17 21:48:30 njl Exp $
304ea05f 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.9 2003/09/07 17:43:12 asmodai Exp $
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30 */
31
32#ifdef _KERNEL
33#include "opt_hw_wdog.h"
34#endif /* _KERNEL */
35
36#include <sys/param.h>
fabb8ceb 37#include <sys/bootmaj.h>
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38
39#ifdef _KERNEL
40#include <sys/systm.h>
41#include <sys/kernel.h>
42#include <sys/buf.h>
43#include <sys/sysctl.h>
44#endif /* _KERNEL */
45
46#include <sys/devicestat.h>
47#include <sys/conf.h>
48#include <sys/disk.h>
49#include <sys/eventhandler.h>
50#include <sys/malloc.h>
51#include <sys/cons.h>
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52#include <sys/proc.h>
53#include <sys/buf2.h>
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54
55#include <machine/md_var.h>
56
57#include <vm/vm.h>
58#include <vm/pmap.h>
59
60#ifndef _KERNEL
61#include <stdio.h>
62#include <string.h>
63#endif /* _KERNEL */
64
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65#include "../cam.h"
66#include "../cam_ccb.h"
67#include "../cam_extend.h"
68#include "../cam_periph.h"
69#include "../cam_xpt_periph.h"
984263bc 70
1f2de5d4 71#include "scsi_message.h"
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72
73#ifndef _KERNEL
1f2de5d4 74#include "scsi_da.h"
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75#endif /* !_KERNEL */
76
77#ifdef _KERNEL
78typedef enum {
79 DA_STATE_PROBE,
80 DA_STATE_NORMAL
81} da_state;
82
83typedef enum {
84 DA_FLAG_PACK_INVALID = 0x001,
85 DA_FLAG_NEW_PACK = 0x002,
86 DA_FLAG_PACK_LOCKED = 0x004,
87 DA_FLAG_PACK_REMOVABLE = 0x008,
88 DA_FLAG_TAGGED_QUEUING = 0x010,
89 DA_FLAG_NEED_OTAG = 0x020,
90 DA_FLAG_WENT_IDLE = 0x040,
91 DA_FLAG_RETRY_UA = 0x080,
92 DA_FLAG_OPEN = 0x100
93} da_flags;
94
95typedef enum {
96 DA_Q_NONE = 0x00,
97 DA_Q_NO_SYNC_CACHE = 0x01,
98 DA_Q_NO_6_BYTE = 0x02
99} da_quirks;
100
101typedef enum {
102 DA_CCB_PROBE = 0x01,
103 DA_CCB_BUFFER_IO = 0x02,
104 DA_CCB_WAITING = 0x03,
105 DA_CCB_DUMP = 0x04,
106 DA_CCB_TYPE_MASK = 0x0F,
107 DA_CCB_RETRY_UA = 0x10
108} da_ccb_state;
109
110/* Offsets into our private area for storing information */
111#define ccb_state ppriv_field0
112#define ccb_bp ppriv_ptr1
113
114struct disk_params {
115 u_int8_t heads;
116 u_int16_t cylinders;
117 u_int8_t secs_per_track;
118 u_int32_t secsize; /* Number of bytes/sector */
119 u_int32_t sectors; /* total number sectors */
120};
121
122struct da_softc {
123 struct buf_queue_head buf_queue;
124 struct devstat device_stats;
125 SLIST_ENTRY(da_softc) links;
126 LIST_HEAD(, ccb_hdr) pending_ccbs;
127 da_state state;
128 da_flags flags;
129 da_quirks quirks;
130 int minimum_cmd_size;
131 int ordered_tag_count;
132 struct disk_params params;
133 struct disk disk;
134 union ccb saved_ccb;
135};
136
137struct da_quirk_entry {
138 struct scsi_inquiry_pattern inq_pat;
139 da_quirks quirks;
140};
141
142static const char quantum[] = "QUANTUM";
143static const char microp[] = "MICROP";
144
145static struct da_quirk_entry da_quirk_table[] =
146{
147 {
148 /*
149 * Fujitsu M2513A MO drives.
150 * Tested devices: M2513A2 firmware versions 1200 & 1300.
151 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
152 * Reported by: W.Scholten <whs@xs4all.nl>
153 */
154 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
155 /*quirks*/ DA_Q_NO_SYNC_CACHE
156 },
157 {
158 /* See above. */
159 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
160 /*quirks*/ DA_Q_NO_SYNC_CACHE
161 },
162 {
163 /*
164 * This particular Fujitsu drive doesn't like the
165 * synchronize cache command.
166 * Reported by: Tom Jackson <toj@gorilla.net>
167 */
168 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
169 /*quirks*/ DA_Q_NO_SYNC_CACHE
170
171 },
172 {
173 /*
174 * This drive doesn't like the synchronize cache command
175 * either. Reported by: Matthew Jacob <mjacob@feral.com>
176 * in NetBSD PR kern/6027, August 24, 1998.
177 */
178 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
179 /*quirks*/ DA_Q_NO_SYNC_CACHE
180 },
181 {
182 /*
183 * This drive doesn't like the synchronize cache command
184 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
185 * (PR 8882).
186 */
187 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
188 /*quirks*/ DA_Q_NO_SYNC_CACHE
189 },
190 {
191 /*
192 * Doesn't like the synchronize cache command.
193 * Reported by: Blaz Zupan <blaz@gold.amis.net>
194 */
195 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
196 /*quirks*/ DA_Q_NO_SYNC_CACHE
197 },
198 {
199 /*
200 * Doesn't like the synchronize cache command.
201 */
202 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
203 /*quirks*/ DA_Q_NO_SYNC_CACHE
204 },
205 {
206 /*
207 * Doesn't like the synchronize cache command.
208 */
209 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
210 /*quirks*/ DA_Q_NO_SYNC_CACHE
211 },
212 {
213 /*
214 * Doesn't work correctly with 6 byte reads/writes.
215 * Returns illegal request, and points to byte 9 of the
216 * 6-byte CDB.
217 * Reported by: Adam McDougall <bsdx@spawnet.com>
218 */
219 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
220 /*quirks*/ DA_Q_NO_6_BYTE
221 },
222 {
223 /*
224 * See above.
225 */
226 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
227 /*quirks*/ DA_Q_NO_6_BYTE
228 },
229
230 /* Below a list of quirks for USB devices supported by umass. */
231 {
232 /*
233 * This USB floppy drive uses the UFI command set. This
234 * command set is a derivative of the ATAPI command set and
235 * does not support READ_6 commands only READ_10. It also does
236 * not support sync cache (0x35).
237 */
238 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
239 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
240 },
241 {
242 /* Another USB floppy */
243 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
244 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
245 },
246 {
247 /*
248 * Sony Memory Stick adapter MSAC-US1 and
249 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
250 * Make all sony MS* products use this quirk.
251 */
252 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
253 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
254 },
255 {
256 /*
257 * Sony Memory Stick adapter for the CLIE series
258 * of PalmOS PDA's
259 */
260 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
261 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
262 },
263 {
264 /*
265 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
266 */
267 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
268 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
269 },
270 {
271 /*
272 * Maxtor 3000LE USB Drive
273 */
274 {T_DIRECT, SIP_MEDIA_FIXED, "MAXTOR*", "K040H2*", "*"},
275 /*quirks*/ DA_Q_NO_6_BYTE
276 },
277 {
278 /*
279 * LaCie USB drive, among others
280 */
281 {T_DIRECT, SIP_MEDIA_FIXED, "Maxtor*", "D080H4*", "*"},
282 /*quirks*/ DA_Q_NO_6_BYTE
283 },
284 {
285 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "MCF3064AP", "*"},
286 /*quirks*/ DA_Q_NO_6_BYTE
287 },
288 {
289 /*
290 * Microtech USB CameraMate
291 */
292 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
293 "Compact Flash*", "*"},
294 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
295 },
296 {
297 /*
298 * The vendor, product and version strings coming from the
299 * controller are null terminated instead of being padded with
300 * spaces. The trailing wildcard character '*' is required.
301 */
302 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
303 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
304 },
305 {
306 /*
307 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
308 */
309 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
310 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
311 },
312 {
313 /*
314 * Olympus digital cameras (D-370)
315 */
316 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D-*", "*"},
317 /*quirks*/ DA_Q_NO_6_BYTE
318 },
319 {
320 /*
321 * Olympus digital cameras (E-100RS, E-10).
322 */
323 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
324 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
325 },
326 {
327 /*
328 * KingByte Pen Drives
329 */
330 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
331 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
332 },
333 {
334 /*
335 * FujiFilm Camera
336 */
337 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
338 "USB-DRIVEUNIT", "*"},
339 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
340 },
341 {
342 /*
343 * Nikon Coolpix E775/E995 Cameras
344 */
345 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NIKON", "NIKON DSC E*", "*"},
346 /*quirks*/ DA_Q_NO_6_BYTE
347 },
348 {
349 /*
350 * Nikon Coolpix E885 Camera
351 */
352 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Nikon", "Digital Camera", "*"},
353 /*quirks*/ DA_Q_NO_6_BYTE
354 },
355 {
356 /*
357 * SimpleTech FlashLink UCF-100
358 */
359 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OEI-USB", "CompactFlash", "*"},
360 /*quirks*/ DA_Q_NO_6_BYTE
361 },
362 {
363 /*
364 * Minolta Dimage 2330
365 */
366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DIMAGE 2330*", "*"},
367 /*quirks*/ DA_Q_NO_6_BYTE
368 },
369 {
370 /*
371 * Minolta Dimage E203
372 */
373 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
374 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
375 },
376 {
377 /*
378 * DIVA USB Mp3 Player.
379 * PR: kern/33638
380 */
381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DIVA USB", "Media Reader","*"},
382 /*quirks*/ DA_Q_NO_6_BYTE
383 },
384 {
385 /*
386 * Daisy Technology PhotoClip USB Camera
387 */
388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Digital", "World DMC","*"},
389 /*quirks*/ DA_Q_NO_6_BYTE
390 },
391 {
392 /*
393 * Apacer HandyDrive
394 * PR: kern/43627
395 */
396 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
397 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
398 },
399 {
400 /*
401 * Daisy Technology PhotoClip on Zoran chip
402 * PR: kern/43580
403 */
404 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
405 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
406 },
407 {
408 /*
409 * HP 315 Digital Camera
410 * PR: kern/41010
411 */
412 {T_DIRECT, SIP_MEDIA_REMOVABLE, "HP", "USB CAMERA", "*"},
413 /*quirks*/ DA_Q_NO_6_BYTE
414 },
415 {
416 /*
417 * Fujitsu-Siemens Memorybird pen drive
418 * PR: kern/34712
419 */
420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Fujitsu", "Memorybird", "*"},
421 /*quirks*/ DA_Q_NO_6_BYTE
422 },
423 {
424 /*
425 * Sony USB Key-Storage
426 * PR: kern/46386
427 */
428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
429 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
430 },
431 {
432 /*
433 * Lexar Media Jumpdrive
434 * PR: kern/47006
435 */
436 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LEXAR", "DIGITAL FILM", "*"},
437 /*quirks*/ DA_Q_NO_6_BYTE
438 },
439 {
440 /*
441 * Pentax USB Optio 230 camera
442 * PR: kern/46369
443 */
444 {T_DIRECT, SIP_MEDIA_REMOVABLE,
445 "PENTAX", "DIGITAL_CAMERA", "*"},
446 /*quirks*/ DA_Q_NO_6_BYTE
447 },
448 {
449 /*
450 * Casio QV-R3 USB camera (uses Pentax chip as above)
451 * PR: kern/46545
452 */
453 {T_DIRECT, SIP_MEDIA_REMOVABLE,
454 "CASIO", "DIGITAL_CAMERA", "*"},
455 /*quirks*/ DA_Q_NO_6_BYTE
456 },
457 {
458 /*
459 * M-Systems DiskOnKey USB flash key
460 * PR: kern/47793
461 */
462 {T_DIRECT, SIP_MEDIA_REMOVABLE, "M-Sys", "DiskOnKey", "*"},
304ea05f 463 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
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464 },
465 {
466 /*
467 * SanDisk ImageMate (I, II, ...) compact flash
468 * PR: kern/47877
469 */
470 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk", "ImageMate*", "*"},
471 /*quirks*/ DA_Q_NO_6_BYTE
472 },
473 {
474 /*
475 * Feiya "slider" dual-slot flash reader. The vendor field
476 * is blank so this may match other devices.
477 * PR: kern/50020
478 */
479 {T_DIRECT, SIP_MEDIA_REMOVABLE, "", "USB CARD READER", "*"},
480 /*quirks*/ DA_Q_NO_6_BYTE
481 },
482 {
483 /*
484 * SmartDisk (Mitsumi) USB floppy drive
485 * PR: kern/50226
486 */
487 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
488 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
489 },
490 {
491 /*
492 * OTi USB Flash Key
493 * PR: kern/51825
494 */
495 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OTi", "Flash Disk", "*"},
496 /*quirks*/ DA_Q_NO_6_BYTE
497 }
498};
499
500static d_open_t daopen;
501static d_close_t daclose;
502static d_strategy_t dastrategy;
503static d_ioctl_t daioctl;
504static d_dump_t dadump;
505static periph_init_t dainit;
506static void daasync(void *callback_arg, u_int32_t code,
507 struct cam_path *path, void *arg);
508static periph_ctor_t daregister;
509static periph_dtor_t dacleanup;
510static periph_start_t dastart;
511static periph_oninv_t daoninvalidate;
512static void dadone(struct cam_periph *periph,
513 union ccb *done_ccb);
514static int daerror(union ccb *ccb, u_int32_t cam_flags,
515 u_int32_t sense_flags);
516static void daprevent(struct cam_periph *periph, int action);
517static void dasetgeom(struct cam_periph *periph,
518 struct scsi_read_capacity_data * rdcap);
519static timeout_t dasendorderedtag;
520static void dashutdown(void *arg, int howto);
521
522#ifndef DA_DEFAULT_TIMEOUT
523#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
524#endif
525
526#ifndef DA_DEFAULT_RETRY
527#define DA_DEFAULT_RETRY 4
528#endif
529
530static int da_retry_count = DA_DEFAULT_RETRY;
531static int da_default_timeout = DA_DEFAULT_TIMEOUT;
532static int da_no_6_byte = 0;
533
534SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem");
535SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
536 "CAM Direct Access Disk driver");
537SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
538 &da_retry_count, 0, "Normal I/O retry count");
539SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
540 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
541SYSCTL_INT(_kern_cam_da, OID_AUTO, no_6_byte, CTLFLAG_RW,
542 &da_no_6_byte, 0, "No 6 bytes commands");
543
544/*
545 * DA_ORDEREDTAG_INTERVAL determines how often, relative
546 * to the default timeout, we check to see whether an ordered
547 * tagged transaction is appropriate to prevent simple tag
548 * starvation. Since we'd like to ensure that there is at least
549 * 1/2 of the timeout length left for a starved transaction to
550 * complete after we've sent an ordered tag, we must poll at least
551 * four times in every timeout period. This takes care of the worst
552 * case where a starved transaction starts during an interval that
553 * meets the requirement "don't send an ordered tag" test so it takes
554 * us two intervals to determine that a tag must be sent.
555 */
556#ifndef DA_ORDEREDTAG_INTERVAL
557#define DA_ORDEREDTAG_INTERVAL 4
558#endif
559
560static struct periph_driver dadriver =
561{
562 dainit, "da",
563 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
564};
565
566DATA_SET(periphdriver_set, dadriver);
567
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568/* For 2.2-stable support */
569#ifndef D_DISK
570#define D_DISK 0
571#endif
572
573static struct cdevsw da_cdevsw = {
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574 /* name */ "da",
575 /* maj */ DA_CDEV_MAJOR,
576 /* flags */ D_DISK,
577 /* port */ NULL,
578 /* autoq */ 0,
579
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580 /* open */ daopen,
581 /* close */ daclose,
582 /* read */ physread,
583 /* write */ physwrite,
584 /* ioctl */ daioctl,
585 /* poll */ nopoll,
586 /* mmap */ nommap,
587 /* strategy */ dastrategy,
984263bc 588 /* dump */ dadump,
fabb8ceb 589 /* psize */ nopsize
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590};
591
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592static SLIST_HEAD(,da_softc) softc_list;
593static struct extend_array *daperiphs;
594
595static int
41c20dac 596daopen(dev_t dev, int flags, int fmt, struct thread *td)
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597{
598 struct cam_periph *periph;
599 struct da_softc *softc;
600 struct disklabel *label;
601 int unit;
602 int part;
603 int error;
604 int s;
605
606 unit = dkunit(dev);
607 part = dkpart(dev);
608 periph = cam_extend_get(daperiphs, unit);
609 if (periph == NULL)
610 return (ENXIO);
611
612 softc = (struct da_softc *)periph->softc;
613
614 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
615 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
616 unit, part));
617
377d4740 618 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
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619 return (error); /* error code from tsleep */
620 }
621
622 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
623 return(ENXIO);
624 softc->flags |= DA_FLAG_OPEN;
625
626 s = splsoftcam();
627 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
628 /* Invalidate our pack information. */
629 disk_invalidate(&softc->disk);
630 softc->flags &= ~DA_FLAG_PACK_INVALID;
631 }
632 splx(s);
633
634 /* Do a read capacity */
635 {
636 struct scsi_read_capacity_data *rcap;
637 union ccb *ccb;
638
639 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
640 M_TEMP,
641 M_WAITOK);
642
643 ccb = cam_periph_getccb(periph, /*priority*/1);
644 scsi_read_capacity(&ccb->csio,
645 /*retries*/1,
646 /*cbfncp*/dadone,
647 MSG_SIMPLE_Q_TAG,
648 rcap,
649 SSD_FULL_SIZE,
650 /*timeout*/60000);
651 ccb->ccb_h.ccb_bp = NULL;
652
653 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
654 /*sense_flags*/SF_RETRY_UA |
655 SF_RETRY_SELTO,
656 &softc->device_stats);
657
658 xpt_release_ccb(ccb);
659
660 if (error == 0) {
661 dasetgeom(periph, rcap);
662 }
663
664 free(rcap, M_TEMP);
665 }
666
667 if (error == 0) {
668 struct ccb_getdev cgd;
669
670 /* Build label for whole disk. */
671 label = &softc->disk.d_label;
672 bzero(label, sizeof(*label));
673 label->d_type = DTYPE_SCSI;
674
675 /*
676 * Grab the inquiry data to get the vendor and product names.
677 * Put them in the typename and packname for the label.
678 */
679 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
680 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
681 xpt_action((union ccb *)&cgd);
682
683 strncpy(label->d_typename, cgd.inq_data.vendor,
684 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
685 strncpy(label->d_packname, cgd.inq_data.product,
686 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
687
688 label->d_secsize = softc->params.secsize;
689 label->d_nsectors = softc->params.secs_per_track;
690 label->d_ntracks = softc->params.heads;
691 label->d_ncylinders = softc->params.cylinders;
692 label->d_secpercyl = softc->params.heads
693 * softc->params.secs_per_track;
694 label->d_secperunit = softc->params.sectors;
695
696 if (((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)) {
697 daprevent(periph, PR_PREVENT);
698 }
699
700 /*
701 * Check to see whether or not the blocksize is set yet.
702 * If it isn't, set it and then clear the blocksize
703 * unavailable flag for the device statistics.
704 */
705 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
706 softc->device_stats.block_size = softc->params.secsize;
707 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
708 }
709 }
710
711 if (error != 0) {
712 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
713 daprevent(periph, PR_ALLOW);
714 }
715 softc->flags &= ~DA_FLAG_OPEN;
716 cam_periph_release(periph);
717 }
718 cam_periph_unlock(periph);
719 return (error);
720}
721
722static int
41c20dac 723daclose(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
724{
725 struct cam_periph *periph;
726 struct da_softc *softc;
727 int unit;
728 int error;
729
730 unit = dkunit(dev);
731 periph = cam_extend_get(daperiphs, unit);
732 if (periph == NULL)
733 return (ENXIO);
734
735 softc = (struct da_softc *)periph->softc;
736
377d4740 737 if ((error = cam_periph_lock(periph, 0)) != 0) {
984263bc
MD
738 return (error); /* error code from tsleep */
739 }
740
741 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
742 union ccb *ccb;
743
744 ccb = cam_periph_getccb(periph, /*priority*/1);
745
746 scsi_synchronize_cache(&ccb->csio,
747 /*retries*/1,
748 /*cbfcnp*/dadone,
749 MSG_SIMPLE_Q_TAG,
750 /*begin_lba*/0,/* Cover the whole disk */
751 /*lb_count*/0,
752 SSD_FULL_SIZE,
753 5 * 60 * 1000);
754
755 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
756 /*sense_flags*/SF_RETRY_UA,
757 &softc->device_stats);
758
759 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
760 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
761 CAM_SCSI_STATUS_ERROR) {
762 int asc, ascq;
763 int sense_key, error_code;
764
765 scsi_extract_sense(&ccb->csio.sense_data,
766 &error_code,
767 &sense_key,
768 &asc, &ascq);
769 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
770 scsi_sense_print(&ccb->csio);
771 } else {
772 xpt_print_path(periph->path);
773 printf("Synchronize cache failed, status "
774 "== 0x%x, scsi status == 0x%x\n",
775 ccb->csio.ccb_h.status,
776 ccb->csio.scsi_status);
777 }
778 }
779
780 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
781 cam_release_devq(ccb->ccb_h.path,
782 /*relsim_flags*/0,
783 /*reduction*/0,
784 /*timeout*/0,
785 /*getcount_only*/0);
786
787 xpt_release_ccb(ccb);
788
789 }
790
791 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
792 daprevent(periph, PR_ALLOW);
793 /*
794 * If we've got removeable media, mark the blocksize as
795 * unavailable, since it could change when new media is
796 * inserted.
797 */
798 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
799 }
800
801 softc->flags &= ~DA_FLAG_OPEN;
802 cam_periph_unlock(periph);
803 cam_periph_release(periph);
804 return (0);
805}
806
807/*
808 * Actually translate the requested transfer into one the physical driver
809 * can understand. The transfer is described by a buf and will include
810 * only one physical transfer.
811 */
812static void
813dastrategy(struct buf *bp)
814{
815 struct cam_periph *periph;
816 struct da_softc *softc;
817 u_int unit;
818 u_int part;
819 int s;
820
821 unit = dkunit(bp->b_dev);
822 part = dkpart(bp->b_dev);
823 periph = cam_extend_get(daperiphs, unit);
824 if (periph == NULL) {
825 bp->b_error = ENXIO;
826 goto bad;
827 }
828 softc = (struct da_softc *)periph->softc;
829#if 0
830 /*
831 * check it's not too big a transfer for our adapter
832 */
833 scsi_minphys(bp,&sd_switch);
834#endif
835
836 /*
837 * Mask interrupts so that the pack cannot be invalidated until
838 * after we are in the queue. Otherwise, we might not properly
839 * clean up one of the buffers.
840 */
841 s = splbio();
842
843 /*
844 * If the device has been made invalid, error out
845 */
846 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
847 splx(s);
848 bp->b_error = ENXIO;
849 goto bad;
850 }
851
852 /*
853 * Place it in the queue of disk activities for this disk
854 */
855 bufqdisksort(&softc->buf_queue, bp);
856
857 splx(s);
858
859 /*
860 * Schedule ourselves for performing the work.
861 */
862 xpt_schedule(periph, /* XXX priority */1);
863
864 return;
865bad:
866 bp->b_flags |= B_ERROR;
867
868 /*
869 * Correctly set the buf to indicate a completed xfer
870 */
871 bp->b_resid = bp->b_bcount;
872 biodone(bp);
873 return;
874}
875
876/* For 2.2-stable support */
877#ifndef ENOIOCTL
878#define ENOIOCTL -1
879#endif
880
881static int
41c20dac 882daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
984263bc
MD
883{
884 struct cam_periph *periph;
885 struct da_softc *softc;
886 int unit;
887 int error;
888
889 unit = dkunit(dev);
890 periph = cam_extend_get(daperiphs, unit);
891 if (periph == NULL)
892 return (ENXIO);
893
894 softc = (struct da_softc *)periph->softc;
895
896 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n"));
897
377d4740 898 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
984263bc
MD
899 return (error); /* error code from tsleep */
900 }
901
902 error = cam_periph_ioctl(periph, cmd, addr, daerror);
903
904 cam_periph_unlock(periph);
905
906 return (error);
907}
908
909static int
910dadump(dev_t dev)
911{
912 struct cam_periph *periph;
913 struct da_softc *softc;
914 u_int unit;
915 u_int part;
916 u_int secsize;
917 u_int num; /* number of sectors to write */
918 u_int blknum;
919 long blkcnt;
920 vm_offset_t addr;
921 struct ccb_scsiio csio;
922 int dumppages = MAXDUMPPGS;
923 int error;
924 int i;
925
926 /* toss any characters present prior to dump */
927 while (cncheckc() != -1)
928 ;
929
930 unit = dkunit(dev);
931 part = dkpart(dev);
932 periph = cam_extend_get(daperiphs, unit);
933 if (periph == NULL) {
934 return (ENXIO);
935 }
936 softc = (struct da_softc *)periph->softc;
937
938 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
939 return (ENXIO);
940
941 error = disk_dumpcheck(dev, &num, &blknum, &secsize);
942 if (error)
943 return (error);
944
945 addr = 0; /* starting address */
946 blkcnt = howmany(PAGE_SIZE, secsize);
947
948 while (num > 0) {
949 caddr_t va = NULL;
950
951 if ((num / blkcnt) < dumppages)
952 dumppages = num / blkcnt;
953
954 for (i = 0; i < dumppages; ++i) {
955 vm_offset_t a = addr + (i * PAGE_SIZE);
956 if (is_physical_memory(a))
957 va = pmap_kenter_temporary(trunc_page(a), i);
958 else
959 va = pmap_kenter_temporary(trunc_page(0), i);
960 }
961
962 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
963 csio.ccb_h.ccb_state = DA_CCB_DUMP;
964 scsi_read_write(&csio,
965 /*retries*/1,
966 dadone,
967 MSG_ORDERED_Q_TAG,
968 /*read*/FALSE,
969 /*byte2*/0,
970 /*minimum_cmd_size*/ softc->minimum_cmd_size,
971 blknum,
972 blkcnt * dumppages,
973 /*data_ptr*/(u_int8_t *) va,
974 /*dxfer_len*/blkcnt * secsize * dumppages,
975 /*sense_len*/SSD_FULL_SIZE,
976 DA_DEFAULT_TIMEOUT * 1000);
977 xpt_polled_action((union ccb *)&csio);
978
979 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
980 printf("Aborting dump due to I/O error.\n");
981 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
982 CAM_SCSI_STATUS_ERROR)
983 scsi_sense_print(&csio);
984 else
985 printf("status == 0x%x, scsi status == 0x%x\n",
986 csio.ccb_h.status, csio.scsi_status);
987 return(EIO);
988 }
989
990 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0)
991 return (EINTR);
992
993 /* update block count */
994 num -= blkcnt * dumppages;
995 blknum += blkcnt * dumppages;
996 addr += PAGE_SIZE * dumppages;
997 }
998
999 /*
1000 * Sync the disk cache contents to the physical media.
1001 */
1002 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1003
1004 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
1005 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1006 scsi_synchronize_cache(&csio,
1007 /*retries*/1,
1008 /*cbfcnp*/dadone,
1009 MSG_SIMPLE_Q_TAG,
1010 /*begin_lba*/0,/* Cover the whole disk */
1011 /*lb_count*/0,
1012 SSD_FULL_SIZE,
1013 5 * 60 * 1000);
1014 xpt_polled_action((union ccb *)&csio);
1015
1016 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1017 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
1018 CAM_SCSI_STATUS_ERROR) {
1019 int asc, ascq;
1020 int sense_key, error_code;
1021
1022 scsi_extract_sense(&csio.sense_data,
1023 &error_code,
1024 &sense_key,
1025 &asc, &ascq);
1026 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1027 scsi_sense_print(&csio);
1028 } else {
1029 xpt_print_path(periph->path);
1030 printf("Synchronize cache failed, status "
1031 "== 0x%x, scsi status == 0x%x\n",
1032 csio.ccb_h.status, csio.scsi_status);
1033 }
1034 }
1035 }
1036 return (0);
1037}
1038
1039static void
1040dainit(void)
1041{
1042 cam_status status;
1043 struct cam_path *path;
1044
1045 /*
1046 * Create our extend array for storing the devices we attach to.
1047 */
1048 daperiphs = cam_extend_new();
1049 SLIST_INIT(&softc_list);
1050 if (daperiphs == NULL) {
1051 printf("da: Failed to alloc extend array!\n");
1052 return;
1053 }
1054
1055 /*
1056 * Install a global async callback. This callback will
1057 * receive async callbacks like "new device found".
1058 */
1059 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
1060 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
1061
1062 if (status == CAM_REQ_CMP) {
1063 struct ccb_setasync csa;
1064
1065 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
1066 csa.ccb_h.func_code = XPT_SASYNC_CB;
1067 csa.event_enable = AC_FOUND_DEVICE;
1068 csa.callback = daasync;
1069 csa.callback_arg = NULL;
1070 xpt_action((union ccb *)&csa);
1071 status = csa.ccb_h.status;
1072 xpt_free_path(path);
1073 }
1074
1075 if (status != CAM_REQ_CMP) {
1076 printf("da: Failed to attach master async callback "
1077 "due to status 0x%x!\n", status);
1078 } else {
1079
1080 /*
1081 * Schedule a periodic event to occasionally send an
1082 * ordered tag to a device.
1083 */
1084 timeout(dasendorderedtag, NULL,
1085 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
1086
1087 /* Register our shutdown event handler */
1088 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1089 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1090 printf("dainit: shutdown event registration failed!\n");
1091 }
1092}
1093
1094static void
1095daoninvalidate(struct cam_periph *periph)
1096{
1097 int s;
1098 struct da_softc *softc;
1099 struct buf *q_bp;
1100 struct ccb_setasync csa;
1101
1102 softc = (struct da_softc *)periph->softc;
1103
1104 /*
1105 * De-register any async callbacks.
1106 */
1107 xpt_setup_ccb(&csa.ccb_h, periph->path,
1108 /* priority */ 5);
1109 csa.ccb_h.func_code = XPT_SASYNC_CB;
1110 csa.event_enable = 0;
1111 csa.callback = daasync;
1112 csa.callback_arg = periph;
1113 xpt_action((union ccb *)&csa);
1114
1115 softc->flags |= DA_FLAG_PACK_INVALID;
1116
1117 /*
1118 * Although the oninvalidate() routines are always called at
1119 * splsoftcam, we need to be at splbio() here to keep the buffer
1120 * queue from being modified while we traverse it.
1121 */
1122 s = splbio();
1123
1124 /*
1125 * Return all queued I/O with ENXIO.
1126 * XXX Handle any transactions queued to the card
1127 * with XPT_ABORT_CCB.
1128 */
1129 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
1130 bufq_remove(&softc->buf_queue, q_bp);
1131 q_bp->b_resid = q_bp->b_bcount;
1132 q_bp->b_error = ENXIO;
1133 q_bp->b_flags |= B_ERROR;
1134 biodone(q_bp);
1135 }
1136 splx(s);
1137
1138 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1139
1140 xpt_print_path(periph->path);
1141 printf("lost device\n");
1142}
1143
1144static void
1145dacleanup(struct cam_periph *periph)
1146{
1147 struct da_softc *softc;
1148
1149 softc = (struct da_softc *)periph->softc;
1150
1151 devstat_remove_entry(&softc->device_stats);
1152 cam_extend_release(daperiphs, periph->unit_number);
1153 xpt_print_path(periph->path);
1154 printf("removing device entry\n");
1155 if (softc->disk.d_dev) {
335dda38 1156 disk_destroy(&softc->disk);
984263bc
MD
1157 }
1158 free(softc, M_DEVBUF);
1159}
1160
1161static void
1162daasync(void *callback_arg, u_int32_t code,
1163 struct cam_path *path, void *arg)
1164{
1165 struct cam_periph *periph;
1166
1167 periph = (struct cam_periph *)callback_arg;
1168 switch (code) {
1169 case AC_FOUND_DEVICE:
1170 {
1171 struct ccb_getdev *cgd;
1172 cam_status status;
1173
1174 cgd = (struct ccb_getdev *)arg;
1175
1176 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1177 && SID_TYPE(&cgd->inq_data) != T_RBC
1178 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1179 break;
1180
1181 /*
1182 * Allocate a peripheral instance for
1183 * this device and start the probe
1184 * process.
1185 */
1186 status = cam_periph_alloc(daregister, daoninvalidate,
1187 dacleanup, dastart,
1188 "da", CAM_PERIPH_BIO,
1189 cgd->ccb_h.path, daasync,
1190 AC_FOUND_DEVICE, cgd);
1191
1192 if (status != CAM_REQ_CMP
1193 && status != CAM_REQ_INPROG)
1194 printf("daasync: Unable to attach to new device "
1195 "due to status 0x%x\n", status);
1196 break;
1197 }
1198 case AC_SENT_BDR:
1199 case AC_BUS_RESET:
1200 {
1201 struct da_softc *softc;
1202 struct ccb_hdr *ccbh;
1203 int s;
1204
1205 softc = (struct da_softc *)periph->softc;
1206 s = splsoftcam();
1207 /*
1208 * Don't fail on the expected unit attention
1209 * that will occur.
1210 */
1211 softc->flags |= DA_FLAG_RETRY_UA;
1212 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1213 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1214 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1215 splx(s);
1216 /* FALLTHROUGH*/
1217 }
1218 default:
1219 cam_periph_async(periph, code, path, arg);
1220 break;
1221 }
1222}
1223
1224static cam_status
1225daregister(struct cam_periph *periph, void *arg)
1226{
1227 int s;
1228 struct da_softc *softc;
1229 struct ccb_setasync csa;
1230 struct ccb_getdev *cgd;
1231 caddr_t match;
1232
1233 cgd = (struct ccb_getdev *)arg;
1234 if (periph == NULL) {
1235 printf("daregister: periph was NULL!!\n");
1236 return(CAM_REQ_CMP_ERR);
1237 }
1238
1239 if (cgd == NULL) {
1240 printf("daregister: no getdev CCB, can't register device\n");
1241 return(CAM_REQ_CMP_ERR);
1242 }
1243
1244 softc = (struct da_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
1245
1246 if (softc == NULL) {
1247 printf("daregister: Unable to probe new device. "
1248 "Unable to allocate softc\n");
1249 return(CAM_REQ_CMP_ERR);
1250 }
1251
1252 bzero(softc, sizeof(*softc));
1253 LIST_INIT(&softc->pending_ccbs);
1254 softc->state = DA_STATE_PROBE;
1255 bufq_init(&softc->buf_queue);
1256 if (SID_IS_REMOVABLE(&cgd->inq_data))
1257 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1258 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1259 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1260
1261 periph->softc = softc;
1262
1263 cam_extend_set(daperiphs, periph->unit_number, periph);
1264
1265 /*
1266 * See if this device has any quirks.
1267 */
1268 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1269 (caddr_t)da_quirk_table,
1270 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1271 sizeof(*da_quirk_table), scsi_inquiry_match);
1272
1273 if (match != NULL)
1274 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1275 else
1276 softc->quirks = DA_Q_NONE;
1277
1278 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1279 softc->minimum_cmd_size = 10;
1280 else
1281 softc->minimum_cmd_size = 6;
1282
1283 /*
1284 * Block our timeout handler while we
1285 * add this softc to the dev list.
1286 */
1287 s = splsoftclock();
1288 SLIST_INSERT_HEAD(&softc_list, softc, links);
1289 splx(s);
1290
1291 /*
1292 * The DA driver supports a blocksize, but
1293 * we don't know the blocksize until we do
1294 * a read capacity. So, set a flag to
1295 * indicate that the blocksize is
1296 * unavailable right now. We'll clear the
1297 * flag as soon as we've done a read capacity.
1298 */
1299 devstat_add_entry(&softc->device_stats, "da",
1300 periph->unit_number, 0,
1301 DEVSTAT_BS_UNAVAILABLE,
1302 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1303 DEVSTAT_PRIORITY_DISK);
1304
1305 /*
1306 * Register this media as a disk
1307 */
335dda38 1308 disk_create(periph->unit_number, &softc->disk, 0, &da_cdevsw);
984263bc
MD
1309
1310 /*
1311 * Add async callbacks for bus reset and
1312 * bus device reset calls. I don't bother
1313 * checking if this fails as, in most cases,
1314 * the system will function just fine without
1315 * them and the only alternative would be to
1316 * not attach the device on failure.
1317 */
1318 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1319 csa.ccb_h.func_code = XPT_SASYNC_CB;
1320 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1321 csa.callback = daasync;
1322 csa.callback_arg = periph;
1323 xpt_action((union ccb *)&csa);
1324 /*
1325 * Lock this peripheral until we are setup.
1326 * This first call can't block
1327 */
377d4740 1328 (void)cam_periph_lock(periph, 0);
984263bc
MD
1329 xpt_schedule(periph, /*priority*/5);
1330
1331 return(CAM_REQ_CMP);
1332}
1333
1334static void
1335dastart(struct cam_periph *periph, union ccb *start_ccb)
1336{
1337 struct da_softc *softc;
1338
1339 softc = (struct da_softc *)periph->softc;
1340
1341
1342 switch (softc->state) {
1343 case DA_STATE_NORMAL:
1344 {
1345 /* Pull a buffer from the queue and get going on it */
1346 struct buf *bp;
1347 int s;
1348
1349 /*
1350 * See if there is a buf with work for us to do..
1351 */
1352 s = splbio();
1353 bp = bufq_first(&softc->buf_queue);
1354 if (periph->immediate_priority <= periph->pinfo.priority) {
1355 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1356 ("queuing for immediate ccb\n"));
1357 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1358 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1359 periph_links.sle);
1360 periph->immediate_priority = CAM_PRIORITY_NONE;
1361 splx(s);
1362 wakeup(&periph->ccb_list);
1363 } else if (bp == NULL) {
1364 splx(s);
1365 xpt_release_ccb(start_ccb);
1366 } else {
1367 int oldspl;
1368 u_int8_t tag_code;
1369
1370 bufq_remove(&softc->buf_queue, bp);
1371
1372 devstat_start_transaction(&softc->device_stats);
1373
1374 if ((bp->b_flags & B_ORDERED) != 0
1375 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1376 softc->flags &= ~DA_FLAG_NEED_OTAG;
1377 softc->ordered_tag_count++;
1378 tag_code = MSG_ORDERED_Q_TAG;
1379 } else {
1380 tag_code = MSG_SIMPLE_Q_TAG;
1381 }
1382 if (da_no_6_byte && softc->minimum_cmd_size == 6)
1383 softc->minimum_cmd_size = 10;
1384 scsi_read_write(&start_ccb->csio,
1385 /*retries*/da_retry_count,
1386 dadone,
1387 tag_code,
1388 bp->b_flags & B_READ,
1389 /*byte2*/0,
1390 softc->minimum_cmd_size,
1391 bp->b_pblkno,
1392 bp->b_bcount / softc->params.secsize,
1393 bp->b_data,
1394 bp->b_bcount,
1395 /*sense_len*/SSD_FULL_SIZE,
1396 da_default_timeout * 1000);
1397 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1398
1399 /*
1400 * Block out any asyncronous callbacks
1401 * while we touch the pending ccb list.
1402 */
1403 oldspl = splcam();
1404 LIST_INSERT_HEAD(&softc->pending_ccbs,
1405 &start_ccb->ccb_h, periph_links.le);
1406 splx(oldspl);
1407
1408 /* We expect a unit attention from this device */
1409 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1410 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1411 softc->flags &= ~DA_FLAG_RETRY_UA;
1412 }
1413
1414 start_ccb->ccb_h.ccb_bp = bp;
1415 bp = bufq_first(&softc->buf_queue);
1416 splx(s);
1417
1418 xpt_action(start_ccb);
1419 }
1420
1421 if (bp != NULL) {
1422 /* Have more work to do, so ensure we stay scheduled */
1423 xpt_schedule(periph, /* XXX priority */1);
1424 }
1425 break;
1426 }
1427 case DA_STATE_PROBE:
1428 {
1429 struct ccb_scsiio *csio;
1430 struct scsi_read_capacity_data *rcap;
1431
1432 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1433 M_TEMP,
1434 M_NOWAIT);
1435 if (rcap == NULL) {
1436 printf("dastart: Couldn't malloc read_capacity data\n");
1437 /* da_free_periph??? */
1438 break;
1439 }
1440 csio = &start_ccb->csio;
1441 scsi_read_capacity(csio,
1442 /*retries*/4,
1443 dadone,
1444 MSG_SIMPLE_Q_TAG,
1445 rcap,
1446 SSD_FULL_SIZE,
1447 /*timeout*/5000);
1448 start_ccb->ccb_h.ccb_bp = NULL;
1449 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1450 xpt_action(start_ccb);
1451 break;
1452 }
1453 }
1454}
1455
1456static int
1457cmd6workaround(union ccb *ccb)
1458{
1459 struct scsi_rw_6 cmd6;
1460 struct scsi_rw_10 *cmd10;
1461 struct da_softc *softc;
1462 u_int8_t *cdb;
1463 int frozen;
1464
1465 cdb = ccb->csio.cdb_io.cdb_bytes;
1466
1467 /* Translation only possible if CDB is an array and cmd is R/W6 */
1468 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1469 (*cdb != READ_6 && *cdb != WRITE_6))
1470 return 0;
1471
1472 xpt_print_path(ccb->ccb_h.path);
1473 printf("READ(6)/WRITE(6) not supported, "
1474 "increasing minimum_cmd_size to 10.\n");
1475 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1476 softc->minimum_cmd_size = 10;
1477
1478 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1479 cmd10 = (struct scsi_rw_10 *)cdb;
1480 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1481 cmd10->byte2 = 0;
1482 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1483 cmd10->reserved = 0;
1484 scsi_ulto2b(cmd6.length, cmd10->length);
1485 cmd10->control = cmd6.control;
1486 ccb->csio.cdb_len = sizeof(*cmd10);
1487
1488 /* Requeue request, unfreezing queue if necessary */
1489 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1490 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1491 xpt_action(ccb);
1492 if (frozen) {
1493 cam_release_devq(ccb->ccb_h.path,
1494 /*relsim_flags*/0,
1495 /*reduction*/0,
1496 /*timeout*/0,
1497 /*getcount_only*/0);
1498 }
1499 return (ERESTART);
1500}
1501
1502static void
1503dadone(struct cam_periph *periph, union ccb *done_ccb)
1504{
1505 struct da_softc *softc;
1506 struct ccb_scsiio *csio;
1507
1508 softc = (struct da_softc *)periph->softc;
1509 csio = &done_ccb->csio;
1510 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1511 case DA_CCB_BUFFER_IO:
1512 {
1513 struct buf *bp;
1514 int oldspl;
1515
1516 bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
1517 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1518 int error;
1519 int s;
1520 int sf;
1521
1522 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1523 sf = SF_RETRY_UA;
1524 else
1525 sf = 0;
1526
1527 /* Retry selection timeouts */
1528 sf |= SF_RETRY_SELTO;
1529
1530 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) {
1531 /*
1532 * A retry was scheuled, so
1533 * just return.
1534 */
1535 return;
1536 }
1537 if (error != 0) {
1538 struct buf *q_bp;
1539
1540 s = splbio();
1541
1542 if (error == ENXIO) {
1543 /*
1544 * Catastrophic error. Mark our pack as
1545 * invalid.
1546 */
1547 /* XXX See if this is really a media
1548 * change first.
1549 */
1550 xpt_print_path(periph->path);
1551 printf("Invalidating pack\n");
1552 softc->flags |= DA_FLAG_PACK_INVALID;
1553 }
1554
1555 /*
1556 * return all queued I/O with EIO, so that
1557 * the client can retry these I/Os in the
1558 * proper order should it attempt to recover.
1559 */
1560 while ((q_bp = bufq_first(&softc->buf_queue))
1561 != NULL) {
1562 bufq_remove(&softc->buf_queue, q_bp);
1563 q_bp->b_resid = q_bp->b_bcount;
1564 q_bp->b_error = EIO;
1565 q_bp->b_flags |= B_ERROR;
1566 biodone(q_bp);
1567 }
1568 splx(s);
1569 bp->b_error = error;
1570 bp->b_resid = bp->b_bcount;
1571 bp->b_flags |= B_ERROR;
1572 } else {
1573 bp->b_resid = csio->resid;
1574 bp->b_error = 0;
1575 if (bp->b_resid != 0) {
1576 /* Short transfer ??? */
1577#if 0
1578 if (cmd6workaround(done_ccb)
1579 == ERESTART)
1580 return;
1581#endif
1582 bp->b_flags |= B_ERROR;
1583 }
1584 }
1585 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1586 cam_release_devq(done_ccb->ccb_h.path,
1587 /*relsim_flags*/0,
1588 /*reduction*/0,
1589 /*timeout*/0,
1590 /*getcount_only*/0);
1591 } else {
1592 bp->b_resid = csio->resid;
1593 if (csio->resid > 0) {
1594 /* Short transfer ??? */
1595#if 0 /* XXX most of the broken umass devices need this ad-hoc work around */
1596 if (cmd6workaround(done_ccb) == ERESTART)
1597 return;
1598#endif
1599 bp->b_flags |= B_ERROR;
1600 }
1601 }
1602
1603 /*
1604 * Block out any asyncronous callbacks
1605 * while we touch the pending ccb list.
1606 */
1607 oldspl = splcam();
1608 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1609 splx(oldspl);
1610
1611 if (softc->device_stats.busy_count == 0)
1612 softc->flags |= DA_FLAG_WENT_IDLE;
1613
1614 devstat_end_transaction_buf(&softc->device_stats, bp);
1615 biodone(bp);
1616 break;
1617 }
1618 case DA_CCB_PROBE:
1619 {
1620 struct scsi_read_capacity_data *rdcap;
1621 char announce_buf[80];
1622
1623 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1624
1625 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1626 struct disk_params *dp;
1627
1628 dasetgeom(periph, rdcap);
1629 dp = &softc->params;
1630 snprintf(announce_buf, sizeof(announce_buf),
1631 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1632 (unsigned long) (((u_int64_t)dp->secsize *
1633 dp->sectors) / (1024*1024)), dp->sectors,
1634 dp->secsize, dp->heads, dp->secs_per_track,
1635 dp->cylinders);
1636 } else {
1637 int error;
1638
1639 announce_buf[0] = '\0';
1640
1641 /*
1642 * Retry any UNIT ATTENTION type errors. They
1643 * are expected at boot.
1644 */
1645 error = daerror(done_ccb, 0, SF_RETRY_UA |
1646 SF_RETRY_SELTO | SF_NO_PRINT);
1647 if (error == ERESTART) {
1648 /*
1649 * A retry was scheuled, so
1650 * just return.
1651 */
1652 return;
1653 } else if (error != 0) {
1654 struct scsi_sense_data *sense;
1655 int asc, ascq;
1656 int sense_key, error_code;
1657 int have_sense;
1658 cam_status status;
1659 struct ccb_getdev cgd;
1660
1661 /* Don't wedge this device's queue */
1662 cam_release_devq(done_ccb->ccb_h.path,
1663 /*relsim_flags*/0,
1664 /*reduction*/0,
1665 /*timeout*/0,
1666 /*getcount_only*/0);
1667
1668 status = done_ccb->ccb_h.status;
1669
1670 xpt_setup_ccb(&cgd.ccb_h,
1671 done_ccb->ccb_h.path,
1672 /* priority */ 1);
1673 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1674 xpt_action((union ccb *)&cgd);
1675
1676 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1677 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1678 || ((status & CAM_AUTOSNS_VALID) == 0))
1679 have_sense = FALSE;
1680 else
1681 have_sense = TRUE;
1682
1683 if (have_sense) {
1684 sense = &csio->sense_data;
1685 scsi_extract_sense(sense, &error_code,
1686 &sense_key,
1687 &asc, &ascq);
1688 }
1689 /*
1690 * Attach to anything that claims to be a
1691 * direct access or optical disk device,
1692 * as long as it doesn't return a "Logical
1693 * unit not supported" (0x25) error.
1694 */
1695 if ((have_sense) && (asc != 0x25)
1696 && (error_code == SSD_CURRENT_ERROR))
1697 snprintf(announce_buf,
1698 sizeof(announce_buf),
1699 "Attempt to query device "
1700 "size failed: %s, %s",
1701 scsi_sense_key_text[sense_key],
1702 scsi_sense_desc(asc,ascq,
1703 &cgd.inq_data));
1704 else {
1705 if (have_sense)
1706 scsi_sense_print(
1707 &done_ccb->csio);
1708 else {
1709 xpt_print_path(periph->path);
1710 printf("got CAM status %#x\n",
1711 done_ccb->ccb_h.status);
1712 }
1713
1714 xpt_print_path(periph->path);
1715 printf("fatal error, failed"
1716 " to attach to device\n");
1717
1718 /*
1719 * Free up resources.
1720 */
1721 cam_periph_invalidate(periph);
1722 }
1723 }
1724 }
1725 free(rdcap, M_TEMP);
1726 if (announce_buf[0] != '\0')
1727 xpt_announce_periph(periph, announce_buf);
1728 softc->state = DA_STATE_NORMAL;
1729 /*
1730 * Since our peripheral may be invalidated by an error
1731 * above or an external event, we must release our CCB
1732 * before releasing the probe lock on the peripheral.
1733 * The peripheral will only go away once the last lock
1734 * is removed, and we need it around for the CCB release
1735 * operation.
1736 */
1737 xpt_release_ccb(done_ccb);
1738 cam_periph_unlock(periph);
1739 return;
1740 }
1741 case DA_CCB_WAITING:
1742 {
1743 /* Caller will release the CCB */
1744 wakeup(&done_ccb->ccb_h.cbfcnp);
1745 return;
1746 }
1747 case DA_CCB_DUMP:
1748 /* No-op. We're polling */
1749 return;
1750 default:
1751 break;
1752 }
1753 xpt_release_ccb(done_ccb);
1754}
1755
1756static int
1757daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1758{
1759 struct da_softc *softc;
1760 struct cam_periph *periph;
1761 int error, sense_key, error_code, asc, ascq;
1762
1763 periph = xpt_path_periph(ccb->ccb_h.path);
1764 softc = (struct da_softc *)periph->softc;
1765
1766 /*
1767 * Automatically detect devices that do not support
1768 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1769 */
1770 error = 0;
1771 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR
1772 && ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) {
1773 scsi_extract_sense(&ccb->csio.sense_data,
1774 &error_code, &sense_key, &asc, &ascq);
1775 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1776 error = cmd6workaround(ccb);
1777 }
1778 if (error == ERESTART)
1779 return (ERESTART);
1780
1781 /*
1782 * XXX
1783 * Until we have a better way of doing pack validation,
1784 * don't treat UAs as errors.
1785 */
1786 sense_flags |= SF_RETRY_UA;
1787 return(cam_periph_error(ccb, cam_flags, sense_flags,
1788 &softc->saved_ccb));
1789}
1790
1791static void
1792daprevent(struct cam_periph *periph, int action)
1793{
1794 struct da_softc *softc;
1795 union ccb *ccb;
1796 int error;
1797
1798 softc = (struct da_softc *)periph->softc;
1799
1800 if (((action == PR_ALLOW)
1801 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1802 || ((action == PR_PREVENT)
1803 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1804 return;
1805 }
1806
1807 ccb = cam_periph_getccb(periph, /*priority*/1);
1808
1809 scsi_prevent(&ccb->csio,
1810 /*retries*/1,
1811 /*cbcfp*/dadone,
1812 MSG_SIMPLE_Q_TAG,
1813 action,
1814 SSD_FULL_SIZE,
1815 5000);
1816
1817 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1818 /*sense_flags*/0, &softc->device_stats);
1819
1820 if (error == 0) {
1821 if (action == PR_ALLOW)
1822 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1823 else
1824 softc->flags |= DA_FLAG_PACK_LOCKED;
1825 }
1826
1827 xpt_release_ccb(ccb);
1828}
1829
1830static void
1831dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1832{
1833 struct ccb_calc_geometry ccg;
1834 struct da_softc *softc;
1835 struct disk_params *dp;
1836
1837 softc = (struct da_softc *)periph->softc;
1838
1839 dp = &softc->params;
1840 dp->secsize = scsi_4btoul(rdcap->length);
1841 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1842 /*
1843 * Have the controller provide us with a geometry
1844 * for this disk. The only time the geometry
1845 * matters is when we boot and the controller
1846 * is the only one knowledgeable enough to come
1847 * up with something that will make this a bootable
1848 * device.
1849 */
1850 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1851 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1852 ccg.block_size = dp->secsize;
1853 ccg.volume_size = dp->sectors;
1854 ccg.heads = 0;
1855 ccg.secs_per_track = 0;
1856 ccg.cylinders = 0;
1857 xpt_action((union ccb*)&ccg);
1858 dp->heads = ccg.heads;
1859 dp->secs_per_track = ccg.secs_per_track;
1860 dp->cylinders = ccg.cylinders;
1861}
1862
1863static void
1864dasendorderedtag(void *arg)
1865{
1866 struct da_softc *softc;
1867 int s;
1868
1869 for (softc = SLIST_FIRST(&softc_list);
1870 softc != NULL;
1871 softc = SLIST_NEXT(softc, links)) {
1872 s = splsoftcam();
1873 if ((softc->ordered_tag_count == 0)
1874 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1875 softc->flags |= DA_FLAG_NEED_OTAG;
1876 }
1877 if (softc->device_stats.busy_count > 0)
1878 softc->flags &= ~DA_FLAG_WENT_IDLE;
1879
1880 softc->ordered_tag_count = 0;
1881 splx(s);
1882 }
1883 /* Queue us up again */
1884 timeout(dasendorderedtag, NULL,
1885 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1886}
1887
1888/*
1889 * Step through all DA peripheral drivers, and if the device is still open,
1890 * sync the disk cache to physical media.
1891 */
1892static void
1893dashutdown(void * arg, int howto)
1894{
1895 struct cam_periph *periph;
1896 struct da_softc *softc;
1897
1898 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1899 periph = TAILQ_NEXT(periph, unit_links)) {
1900 union ccb ccb;
1901 softc = (struct da_softc *)periph->softc;
1902
1903 /*
1904 * We only sync the cache if the drive is still open, and
1905 * if the drive is capable of it..
1906 */
1907 if (((softc->flags & DA_FLAG_OPEN) == 0)
1908 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1909 continue;
1910
1911 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1912
1913 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1914 scsi_synchronize_cache(&ccb.csio,
1915 /*retries*/1,
1916 /*cbfcnp*/dadone,
1917 MSG_SIMPLE_Q_TAG,
1918 /*begin_lba*/0, /* whole disk */
1919 /*lb_count*/0,
1920 SSD_FULL_SIZE,
1921 5 * 60 * 1000);
1922
1923 xpt_polled_action(&ccb);
1924
1925 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1926 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1927 CAM_SCSI_STATUS_ERROR)
1928 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1929 int error_code, sense_key, asc, ascq;
1930
1931 scsi_extract_sense(&ccb.csio.sense_data,
1932 &error_code, &sense_key,
1933 &asc, &ascq);
1934
1935 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1936 scsi_sense_print(&ccb.csio);
1937 } else {
1938 xpt_print_path(periph->path);
1939 printf("Synchronize cache failed, status "
1940 "== 0x%x, scsi status == 0x%x\n",
1941 ccb.ccb_h.status, ccb.csio.scsi_status);
1942 }
1943 }
1944
1945 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1946 cam_release_devq(ccb.ccb_h.path,
1947 /*relsim_flags*/0,
1948 /*reduction*/0,
1949 /*timeout*/0,
1950 /*getcount_only*/0);
1951
1952 }
1953}
1954
1955#else /* !_KERNEL */
1956
1957/*
1958 * XXX This is only left out of the kernel build to silence warnings. If,
1959 * for some reason this function is used in the kernel, the ifdefs should
1960 * be moved so it is included both in the kernel and userland.
1961 */
1962void
1963scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1964 void (*cbfcnp)(struct cam_periph *, union ccb *),
1965 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1966 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1967 u_int32_t timeout)
1968{
1969 struct scsi_format_unit *scsi_cmd;
1970
1971 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1972 scsi_cmd->opcode = FORMAT_UNIT;
1973 scsi_cmd->byte2 = byte2;
1974 scsi_ulto2b(ileave, scsi_cmd->interleave);
1975
1976 cam_fill_csio(csio,
1977 retries,
1978 cbfcnp,
1979 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1980 tag_action,
1981 data_ptr,
1982 dxfer_len,
1983 sense_len,
1984 sizeof(*scsi_cmd),
1985 timeout);
1986}
1987
1988#endif /* _KERNEL */