Do some fairly major include file cleanups to further separate kernelland
[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 $
05220613 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.10 2003/11/21 22:46:13 dillon 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>
05220613 50#ifdef _KERNEL
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51#include <sys/malloc.h>
52#include <sys/cons.h>
3020e3be 53#include <sys/proc.h>
05220613 54#endif
3020e3be 55#include <sys/buf2.h>
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56
57#include <machine/md_var.h>
58
05220613 59#ifdef _KERNEL
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60#include <vm/vm.h>
61#include <vm/pmap.h>
05220613 62#endif
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63
64#ifndef _KERNEL
65#include <stdio.h>
66#include <string.h>
67#endif /* _KERNEL */
68
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69#include "../cam.h"
70#include "../cam_ccb.h"
71#include "../cam_extend.h"
72#include "../cam_periph.h"
73#include "../cam_xpt_periph.h"
984263bc 74
1f2de5d4 75#include "scsi_message.h"
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76
77#ifndef _KERNEL
1f2de5d4 78#include "scsi_da.h"
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79#endif /* !_KERNEL */
80
81#ifdef _KERNEL
82typedef enum {
83 DA_STATE_PROBE,
84 DA_STATE_NORMAL
85} da_state;
86
87typedef enum {
88 DA_FLAG_PACK_INVALID = 0x001,
89 DA_FLAG_NEW_PACK = 0x002,
90 DA_FLAG_PACK_LOCKED = 0x004,
91 DA_FLAG_PACK_REMOVABLE = 0x008,
92 DA_FLAG_TAGGED_QUEUING = 0x010,
93 DA_FLAG_NEED_OTAG = 0x020,
94 DA_FLAG_WENT_IDLE = 0x040,
95 DA_FLAG_RETRY_UA = 0x080,
96 DA_FLAG_OPEN = 0x100
97} da_flags;
98
99typedef enum {
100 DA_Q_NONE = 0x00,
101 DA_Q_NO_SYNC_CACHE = 0x01,
102 DA_Q_NO_6_BYTE = 0x02
103} da_quirks;
104
105typedef enum {
106 DA_CCB_PROBE = 0x01,
107 DA_CCB_BUFFER_IO = 0x02,
108 DA_CCB_WAITING = 0x03,
109 DA_CCB_DUMP = 0x04,
110 DA_CCB_TYPE_MASK = 0x0F,
111 DA_CCB_RETRY_UA = 0x10
112} da_ccb_state;
113
114/* Offsets into our private area for storing information */
115#define ccb_state ppriv_field0
116#define ccb_bp ppriv_ptr1
117
118struct disk_params {
119 u_int8_t heads;
120 u_int16_t cylinders;
121 u_int8_t secs_per_track;
122 u_int32_t secsize; /* Number of bytes/sector */
123 u_int32_t sectors; /* total number sectors */
124};
125
126struct da_softc {
127 struct buf_queue_head buf_queue;
128 struct devstat device_stats;
129 SLIST_ENTRY(da_softc) links;
130 LIST_HEAD(, ccb_hdr) pending_ccbs;
131 da_state state;
132 da_flags flags;
133 da_quirks quirks;
134 int minimum_cmd_size;
135 int ordered_tag_count;
136 struct disk_params params;
137 struct disk disk;
138 union ccb saved_ccb;
139};
140
141struct da_quirk_entry {
142 struct scsi_inquiry_pattern inq_pat;
143 da_quirks quirks;
144};
145
146static const char quantum[] = "QUANTUM";
147static const char microp[] = "MICROP";
148
149static struct da_quirk_entry da_quirk_table[] =
150{
151 {
152 /*
153 * Fujitsu M2513A MO drives.
154 * Tested devices: M2513A2 firmware versions 1200 & 1300.
155 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
156 * Reported by: W.Scholten <whs@xs4all.nl>
157 */
158 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
159 /*quirks*/ DA_Q_NO_SYNC_CACHE
160 },
161 {
162 /* See above. */
163 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
164 /*quirks*/ DA_Q_NO_SYNC_CACHE
165 },
166 {
167 /*
168 * This particular Fujitsu drive doesn't like the
169 * synchronize cache command.
170 * Reported by: Tom Jackson <toj@gorilla.net>
171 */
172 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
173 /*quirks*/ DA_Q_NO_SYNC_CACHE
174
175 },
176 {
177 /*
178 * This drive doesn't like the synchronize cache command
179 * either. Reported by: Matthew Jacob <mjacob@feral.com>
180 * in NetBSD PR kern/6027, August 24, 1998.
181 */
182 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
183 /*quirks*/ DA_Q_NO_SYNC_CACHE
184 },
185 {
186 /*
187 * This drive doesn't like the synchronize cache command
188 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
189 * (PR 8882).
190 */
191 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
192 /*quirks*/ DA_Q_NO_SYNC_CACHE
193 },
194 {
195 /*
196 * Doesn't like the synchronize cache command.
197 * Reported by: Blaz Zupan <blaz@gold.amis.net>
198 */
199 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
200 /*quirks*/ DA_Q_NO_SYNC_CACHE
201 },
202 {
203 /*
204 * Doesn't like the synchronize cache command.
205 */
206 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
207 /*quirks*/ DA_Q_NO_SYNC_CACHE
208 },
209 {
210 /*
211 * Doesn't like the synchronize cache command.
212 */
213 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
214 /*quirks*/ DA_Q_NO_SYNC_CACHE
215 },
216 {
217 /*
218 * Doesn't work correctly with 6 byte reads/writes.
219 * Returns illegal request, and points to byte 9 of the
220 * 6-byte CDB.
221 * Reported by: Adam McDougall <bsdx@spawnet.com>
222 */
223 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
224 /*quirks*/ DA_Q_NO_6_BYTE
225 },
226 {
227 /*
228 * See above.
229 */
230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
231 /*quirks*/ DA_Q_NO_6_BYTE
232 },
233
234 /* Below a list of quirks for USB devices supported by umass. */
235 {
236 /*
237 * This USB floppy drive uses the UFI command set. This
238 * command set is a derivative of the ATAPI command set and
239 * does not support READ_6 commands only READ_10. It also does
240 * not support sync cache (0x35).
241 */
242 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
243 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
244 },
245 {
246 /* Another USB floppy */
247 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
248 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
249 },
250 {
251 /*
252 * Sony Memory Stick adapter MSAC-US1 and
253 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
254 * Make all sony MS* products use this quirk.
255 */
256 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
257 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
258 },
259 {
260 /*
261 * Sony Memory Stick adapter for the CLIE series
262 * of PalmOS PDA's
263 */
264 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
265 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
266 },
267 {
268 /*
269 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
270 */
271 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
272 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
273 },
274 {
275 /*
276 * Maxtor 3000LE USB Drive
277 */
278 {T_DIRECT, SIP_MEDIA_FIXED, "MAXTOR*", "K040H2*", "*"},
279 /*quirks*/ DA_Q_NO_6_BYTE
280 },
281 {
282 /*
283 * LaCie USB drive, among others
284 */
285 {T_DIRECT, SIP_MEDIA_FIXED, "Maxtor*", "D080H4*", "*"},
286 /*quirks*/ DA_Q_NO_6_BYTE
287 },
288 {
289 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "MCF3064AP", "*"},
290 /*quirks*/ DA_Q_NO_6_BYTE
291 },
292 {
293 /*
294 * Microtech USB CameraMate
295 */
296 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
297 "Compact Flash*", "*"},
298 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
299 },
300 {
301 /*
302 * The vendor, product and version strings coming from the
303 * controller are null terminated instead of being padded with
304 * spaces. The trailing wildcard character '*' is required.
305 */
306 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
307 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
308 },
309 {
310 /*
311 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
312 */
313 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
314 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
315 },
316 {
317 /*
318 * Olympus digital cameras (D-370)
319 */
320 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "D-*", "*"},
321 /*quirks*/ DA_Q_NO_6_BYTE
322 },
323 {
324 /*
325 * Olympus digital cameras (E-100RS, E-10).
326 */
327 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
328 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
329 },
330 {
331 /*
332 * KingByte Pen Drives
333 */
334 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
335 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
336 },
337 {
338 /*
339 * FujiFilm Camera
340 */
341 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
342 "USB-DRIVEUNIT", "*"},
343 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
344 },
345 {
346 /*
347 * Nikon Coolpix E775/E995 Cameras
348 */
349 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NIKON", "NIKON DSC E*", "*"},
350 /*quirks*/ DA_Q_NO_6_BYTE
351 },
352 {
353 /*
354 * Nikon Coolpix E885 Camera
355 */
356 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Nikon", "Digital Camera", "*"},
357 /*quirks*/ DA_Q_NO_6_BYTE
358 },
359 {
360 /*
361 * SimpleTech FlashLink UCF-100
362 */
363 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OEI-USB", "CompactFlash", "*"},
364 /*quirks*/ DA_Q_NO_6_BYTE
365 },
366 {
367 /*
368 * Minolta Dimage 2330
369 */
370 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DIMAGE 2330*", "*"},
371 /*quirks*/ DA_Q_NO_6_BYTE
372 },
373 {
374 /*
375 * Minolta Dimage E203
376 */
377 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
378 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
379 },
380 {
381 /*
382 * DIVA USB Mp3 Player.
383 * PR: kern/33638
384 */
385 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DIVA USB", "Media Reader","*"},
386 /*quirks*/ DA_Q_NO_6_BYTE
387 },
388 {
389 /*
390 * Daisy Technology PhotoClip USB Camera
391 */
392 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Digital", "World DMC","*"},
393 /*quirks*/ DA_Q_NO_6_BYTE
394 },
395 {
396 /*
397 * Apacer HandyDrive
398 * PR: kern/43627
399 */
400 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
401 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
402 },
403 {
404 /*
405 * Daisy Technology PhotoClip on Zoran chip
406 * PR: kern/43580
407 */
408 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
409 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
410 },
411 {
412 /*
413 * HP 315 Digital Camera
414 * PR: kern/41010
415 */
416 {T_DIRECT, SIP_MEDIA_REMOVABLE, "HP", "USB CAMERA", "*"},
417 /*quirks*/ DA_Q_NO_6_BYTE
418 },
419 {
420 /*
421 * Fujitsu-Siemens Memorybird pen drive
422 * PR: kern/34712
423 */
424 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Fujitsu", "Memorybird", "*"},
425 /*quirks*/ DA_Q_NO_6_BYTE
426 },
427 {
428 /*
429 * Sony USB Key-Storage
430 * PR: kern/46386
431 */
432 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
433 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
434 },
435 {
436 /*
437 * Lexar Media Jumpdrive
438 * PR: kern/47006
439 */
440 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LEXAR", "DIGITAL FILM", "*"},
441 /*quirks*/ DA_Q_NO_6_BYTE
442 },
443 {
444 /*
445 * Pentax USB Optio 230 camera
446 * PR: kern/46369
447 */
448 {T_DIRECT, SIP_MEDIA_REMOVABLE,
449 "PENTAX", "DIGITAL_CAMERA", "*"},
450 /*quirks*/ DA_Q_NO_6_BYTE
451 },
452 {
453 /*
454 * Casio QV-R3 USB camera (uses Pentax chip as above)
455 * PR: kern/46545
456 */
457 {T_DIRECT, SIP_MEDIA_REMOVABLE,
458 "CASIO", "DIGITAL_CAMERA", "*"},
459 /*quirks*/ DA_Q_NO_6_BYTE
460 },
461 {
462 /*
463 * M-Systems DiskOnKey USB flash key
464 * PR: kern/47793
465 */
466 {T_DIRECT, SIP_MEDIA_REMOVABLE, "M-Sys", "DiskOnKey", "*"},
304ea05f 467 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
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468 },
469 {
470 /*
471 * SanDisk ImageMate (I, II, ...) compact flash
472 * PR: kern/47877
473 */
474 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk", "ImageMate*", "*"},
475 /*quirks*/ DA_Q_NO_6_BYTE
476 },
477 {
478 /*
479 * Feiya "slider" dual-slot flash reader. The vendor field
480 * is blank so this may match other devices.
481 * PR: kern/50020
482 */
483 {T_DIRECT, SIP_MEDIA_REMOVABLE, "", "USB CARD READER", "*"},
484 /*quirks*/ DA_Q_NO_6_BYTE
485 },
486 {
487 /*
488 * SmartDisk (Mitsumi) USB floppy drive
489 * PR: kern/50226
490 */
491 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
492 /*quirks*/ DA_Q_NO_6_BYTE|DA_Q_NO_SYNC_CACHE
493 },
494 {
495 /*
496 * OTi USB Flash Key
497 * PR: kern/51825
498 */
499 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OTi", "Flash Disk", "*"},
500 /*quirks*/ DA_Q_NO_6_BYTE
501 }
502};
503
504static d_open_t daopen;
505static d_close_t daclose;
506static d_strategy_t dastrategy;
507static d_ioctl_t daioctl;
508static d_dump_t dadump;
509static periph_init_t dainit;
510static void daasync(void *callback_arg, u_int32_t code,
511 struct cam_path *path, void *arg);
512static periph_ctor_t daregister;
513static periph_dtor_t dacleanup;
514static periph_start_t dastart;
515static periph_oninv_t daoninvalidate;
516static void dadone(struct cam_periph *periph,
517 union ccb *done_ccb);
518static int daerror(union ccb *ccb, u_int32_t cam_flags,
519 u_int32_t sense_flags);
520static void daprevent(struct cam_periph *periph, int action);
521static void dasetgeom(struct cam_periph *periph,
522 struct scsi_read_capacity_data * rdcap);
523static timeout_t dasendorderedtag;
524static void dashutdown(void *arg, int howto);
525
526#ifndef DA_DEFAULT_TIMEOUT
527#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
528#endif
529
530#ifndef DA_DEFAULT_RETRY
531#define DA_DEFAULT_RETRY 4
532#endif
533
534static int da_retry_count = DA_DEFAULT_RETRY;
535static int da_default_timeout = DA_DEFAULT_TIMEOUT;
536static int da_no_6_byte = 0;
537
538SYSCTL_NODE(_kern, OID_AUTO, cam, CTLFLAG_RD, 0, "CAM Subsystem");
539SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
540 "CAM Direct Access Disk driver");
541SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
542 &da_retry_count, 0, "Normal I/O retry count");
543SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
544 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
545SYSCTL_INT(_kern_cam_da, OID_AUTO, no_6_byte, CTLFLAG_RW,
546 &da_no_6_byte, 0, "No 6 bytes commands");
547
548/*
549 * DA_ORDEREDTAG_INTERVAL determines how often, relative
550 * to the default timeout, we check to see whether an ordered
551 * tagged transaction is appropriate to prevent simple tag
552 * starvation. Since we'd like to ensure that there is at least
553 * 1/2 of the timeout length left for a starved transaction to
554 * complete after we've sent an ordered tag, we must poll at least
555 * four times in every timeout period. This takes care of the worst
556 * case where a starved transaction starts during an interval that
557 * meets the requirement "don't send an ordered tag" test so it takes
558 * us two intervals to determine that a tag must be sent.
559 */
560#ifndef DA_ORDEREDTAG_INTERVAL
561#define DA_ORDEREDTAG_INTERVAL 4
562#endif
563
564static struct periph_driver dadriver =
565{
566 dainit, "da",
567 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
568};
569
570DATA_SET(periphdriver_set, dadriver);
571
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572/* For 2.2-stable support */
573#ifndef D_DISK
574#define D_DISK 0
575#endif
576
577static struct cdevsw da_cdevsw = {
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578 /* name */ "da",
579 /* maj */ DA_CDEV_MAJOR,
580 /* flags */ D_DISK,
581 /* port */ NULL,
582 /* autoq */ 0,
583
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584 /* open */ daopen,
585 /* close */ daclose,
586 /* read */ physread,
587 /* write */ physwrite,
588 /* ioctl */ daioctl,
589 /* poll */ nopoll,
590 /* mmap */ nommap,
591 /* strategy */ dastrategy,
984263bc 592 /* dump */ dadump,
fabb8ceb 593 /* psize */ nopsize
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594};
595
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596static SLIST_HEAD(,da_softc) softc_list;
597static struct extend_array *daperiphs;
598
599static int
41c20dac 600daopen(dev_t dev, int flags, int fmt, struct thread *td)
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601{
602 struct cam_periph *periph;
603 struct da_softc *softc;
604 struct disklabel *label;
605 int unit;
606 int part;
607 int error;
608 int s;
609
610 unit = dkunit(dev);
611 part = dkpart(dev);
612 periph = cam_extend_get(daperiphs, unit);
613 if (periph == NULL)
614 return (ENXIO);
615
616 softc = (struct da_softc *)periph->softc;
617
618 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
619 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
620 unit, part));
621
377d4740 622 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
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623 return (error); /* error code from tsleep */
624 }
625
626 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
627 return(ENXIO);
628 softc->flags |= DA_FLAG_OPEN;
629
630 s = splsoftcam();
631 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
632 /* Invalidate our pack information. */
633 disk_invalidate(&softc->disk);
634 softc->flags &= ~DA_FLAG_PACK_INVALID;
635 }
636 splx(s);
637
638 /* Do a read capacity */
639 {
640 struct scsi_read_capacity_data *rcap;
641 union ccb *ccb;
642
643 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
644 M_TEMP,
645 M_WAITOK);
646
647 ccb = cam_periph_getccb(periph, /*priority*/1);
648 scsi_read_capacity(&ccb->csio,
649 /*retries*/1,
650 /*cbfncp*/dadone,
651 MSG_SIMPLE_Q_TAG,
652 rcap,
653 SSD_FULL_SIZE,
654 /*timeout*/60000);
655 ccb->ccb_h.ccb_bp = NULL;
656
657 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
658 /*sense_flags*/SF_RETRY_UA |
659 SF_RETRY_SELTO,
660 &softc->device_stats);
661
662 xpt_release_ccb(ccb);
663
664 if (error == 0) {
665 dasetgeom(periph, rcap);
666 }
667
668 free(rcap, M_TEMP);
669 }
670
671 if (error == 0) {
672 struct ccb_getdev cgd;
673
674 /* Build label for whole disk. */
675 label = &softc->disk.d_label;
676 bzero(label, sizeof(*label));
677 label->d_type = DTYPE_SCSI;
678
679 /*
680 * Grab the inquiry data to get the vendor and product names.
681 * Put them in the typename and packname for the label.
682 */
683 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
684 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
685 xpt_action((union ccb *)&cgd);
686
687 strncpy(label->d_typename, cgd.inq_data.vendor,
688 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
689 strncpy(label->d_packname, cgd.inq_data.product,
690 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
691
692 label->d_secsize = softc->params.secsize;
693 label->d_nsectors = softc->params.secs_per_track;
694 label->d_ntracks = softc->params.heads;
695 label->d_ncylinders = softc->params.cylinders;
696 label->d_secpercyl = softc->params.heads
697 * softc->params.secs_per_track;
698 label->d_secperunit = softc->params.sectors;
699
700 if (((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)) {
701 daprevent(periph, PR_PREVENT);
702 }
703
704 /*
705 * Check to see whether or not the blocksize is set yet.
706 * If it isn't, set it and then clear the blocksize
707 * unavailable flag for the device statistics.
708 */
709 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
710 softc->device_stats.block_size = softc->params.secsize;
711 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
712 }
713 }
714
715 if (error != 0) {
716 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
717 daprevent(periph, PR_ALLOW);
718 }
719 softc->flags &= ~DA_FLAG_OPEN;
720 cam_periph_release(periph);
721 }
722 cam_periph_unlock(periph);
723 return (error);
724}
725
726static int
41c20dac 727daclose(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
728{
729 struct cam_periph *periph;
730 struct da_softc *softc;
731 int unit;
732 int error;
733
734 unit = dkunit(dev);
735 periph = cam_extend_get(daperiphs, unit);
736 if (periph == NULL)
737 return (ENXIO);
738
739 softc = (struct da_softc *)periph->softc;
740
377d4740 741 if ((error = cam_periph_lock(periph, 0)) != 0) {
984263bc
MD
742 return (error); /* error code from tsleep */
743 }
744
745 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
746 union ccb *ccb;
747
748 ccb = cam_periph_getccb(periph, /*priority*/1);
749
750 scsi_synchronize_cache(&ccb->csio,
751 /*retries*/1,
752 /*cbfcnp*/dadone,
753 MSG_SIMPLE_Q_TAG,
754 /*begin_lba*/0,/* Cover the whole disk */
755 /*lb_count*/0,
756 SSD_FULL_SIZE,
757 5 * 60 * 1000);
758
759 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
760 /*sense_flags*/SF_RETRY_UA,
761 &softc->device_stats);
762
763 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
764 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
765 CAM_SCSI_STATUS_ERROR) {
766 int asc, ascq;
767 int sense_key, error_code;
768
769 scsi_extract_sense(&ccb->csio.sense_data,
770 &error_code,
771 &sense_key,
772 &asc, &ascq);
773 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
774 scsi_sense_print(&ccb->csio);
775 } else {
776 xpt_print_path(periph->path);
777 printf("Synchronize cache failed, status "
778 "== 0x%x, scsi status == 0x%x\n",
779 ccb->csio.ccb_h.status,
780 ccb->csio.scsi_status);
781 }
782 }
783
784 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
785 cam_release_devq(ccb->ccb_h.path,
786 /*relsim_flags*/0,
787 /*reduction*/0,
788 /*timeout*/0,
789 /*getcount_only*/0);
790
791 xpt_release_ccb(ccb);
792
793 }
794
795 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
796 daprevent(periph, PR_ALLOW);
797 /*
798 * If we've got removeable media, mark the blocksize as
799 * unavailable, since it could change when new media is
800 * inserted.
801 */
802 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
803 }
804
805 softc->flags &= ~DA_FLAG_OPEN;
806 cam_periph_unlock(periph);
807 cam_periph_release(periph);
808 return (0);
809}
810
811/*
812 * Actually translate the requested transfer into one the physical driver
813 * can understand. The transfer is described by a buf and will include
814 * only one physical transfer.
815 */
816static void
817dastrategy(struct buf *bp)
818{
819 struct cam_periph *periph;
820 struct da_softc *softc;
821 u_int unit;
822 u_int part;
823 int s;
824
825 unit = dkunit(bp->b_dev);
826 part = dkpart(bp->b_dev);
827 periph = cam_extend_get(daperiphs, unit);
828 if (periph == NULL) {
829 bp->b_error = ENXIO;
830 goto bad;
831 }
832 softc = (struct da_softc *)periph->softc;
833#if 0
834 /*
835 * check it's not too big a transfer for our adapter
836 */
837 scsi_minphys(bp,&sd_switch);
838#endif
839
840 /*
841 * Mask interrupts so that the pack cannot be invalidated until
842 * after we are in the queue. Otherwise, we might not properly
843 * clean up one of the buffers.
844 */
845 s = splbio();
846
847 /*
848 * If the device has been made invalid, error out
849 */
850 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
851 splx(s);
852 bp->b_error = ENXIO;
853 goto bad;
854 }
855
856 /*
857 * Place it in the queue of disk activities for this disk
858 */
859 bufqdisksort(&softc->buf_queue, bp);
860
861 splx(s);
862
863 /*
864 * Schedule ourselves for performing the work.
865 */
866 xpt_schedule(periph, /* XXX priority */1);
867
868 return;
869bad:
870 bp->b_flags |= B_ERROR;
871
872 /*
873 * Correctly set the buf to indicate a completed xfer
874 */
875 bp->b_resid = bp->b_bcount;
876 biodone(bp);
877 return;
878}
879
880/* For 2.2-stable support */
881#ifndef ENOIOCTL
882#define ENOIOCTL -1
883#endif
884
885static int
41c20dac 886daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
984263bc
MD
887{
888 struct cam_periph *periph;
889 struct da_softc *softc;
890 int unit;
891 int error;
892
893 unit = dkunit(dev);
894 periph = cam_extend_get(daperiphs, unit);
895 if (periph == NULL)
896 return (ENXIO);
897
898 softc = (struct da_softc *)periph->softc;
899
900 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n"));
901
377d4740 902 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
984263bc
MD
903 return (error); /* error code from tsleep */
904 }
905
906 error = cam_periph_ioctl(periph, cmd, addr, daerror);
907
908 cam_periph_unlock(periph);
909
910 return (error);
911}
912
913static int
914dadump(dev_t dev)
915{
916 struct cam_periph *periph;
917 struct da_softc *softc;
918 u_int unit;
919 u_int part;
920 u_int secsize;
921 u_int num; /* number of sectors to write */
922 u_int blknum;
923 long blkcnt;
924 vm_offset_t addr;
925 struct ccb_scsiio csio;
926 int dumppages = MAXDUMPPGS;
927 int error;
928 int i;
929
930 /* toss any characters present prior to dump */
931 while (cncheckc() != -1)
932 ;
933
934 unit = dkunit(dev);
935 part = dkpart(dev);
936 periph = cam_extend_get(daperiphs, unit);
937 if (periph == NULL) {
938 return (ENXIO);
939 }
940 softc = (struct da_softc *)periph->softc;
941
942 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
943 return (ENXIO);
944
945 error = disk_dumpcheck(dev, &num, &blknum, &secsize);
946 if (error)
947 return (error);
948
949 addr = 0; /* starting address */
950 blkcnt = howmany(PAGE_SIZE, secsize);
951
952 while (num > 0) {
953 caddr_t va = NULL;
954
955 if ((num / blkcnt) < dumppages)
956 dumppages = num / blkcnt;
957
958 for (i = 0; i < dumppages; ++i) {
959 vm_offset_t a = addr + (i * PAGE_SIZE);
960 if (is_physical_memory(a))
961 va = pmap_kenter_temporary(trunc_page(a), i);
962 else
963 va = pmap_kenter_temporary(trunc_page(0), i);
964 }
965
966 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
967 csio.ccb_h.ccb_state = DA_CCB_DUMP;
968 scsi_read_write(&csio,
969 /*retries*/1,
970 dadone,
971 MSG_ORDERED_Q_TAG,
972 /*read*/FALSE,
973 /*byte2*/0,
974 /*minimum_cmd_size*/ softc->minimum_cmd_size,
975 blknum,
976 blkcnt * dumppages,
977 /*data_ptr*/(u_int8_t *) va,
978 /*dxfer_len*/blkcnt * secsize * dumppages,
979 /*sense_len*/SSD_FULL_SIZE,
980 DA_DEFAULT_TIMEOUT * 1000);
981 xpt_polled_action((union ccb *)&csio);
982
983 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
984 printf("Aborting dump due to I/O error.\n");
985 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
986 CAM_SCSI_STATUS_ERROR)
987 scsi_sense_print(&csio);
988 else
989 printf("status == 0x%x, scsi status == 0x%x\n",
990 csio.ccb_h.status, csio.scsi_status);
991 return(EIO);
992 }
993
994 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0)
995 return (EINTR);
996
997 /* update block count */
998 num -= blkcnt * dumppages;
999 blknum += blkcnt * dumppages;
1000 addr += PAGE_SIZE * dumppages;
1001 }
1002
1003 /*
1004 * Sync the disk cache contents to the physical media.
1005 */
1006 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1007
1008 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
1009 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1010 scsi_synchronize_cache(&csio,
1011 /*retries*/1,
1012 /*cbfcnp*/dadone,
1013 MSG_SIMPLE_Q_TAG,
1014 /*begin_lba*/0,/* Cover the whole disk */
1015 /*lb_count*/0,
1016 SSD_FULL_SIZE,
1017 5 * 60 * 1000);
1018 xpt_polled_action((union ccb *)&csio);
1019
1020 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1021 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
1022 CAM_SCSI_STATUS_ERROR) {
1023 int asc, ascq;
1024 int sense_key, error_code;
1025
1026 scsi_extract_sense(&csio.sense_data,
1027 &error_code,
1028 &sense_key,
1029 &asc, &ascq);
1030 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1031 scsi_sense_print(&csio);
1032 } else {
1033 xpt_print_path(periph->path);
1034 printf("Synchronize cache failed, status "
1035 "== 0x%x, scsi status == 0x%x\n",
1036 csio.ccb_h.status, csio.scsi_status);
1037 }
1038 }
1039 }
1040 return (0);
1041}
1042
1043static void
1044dainit(void)
1045{
1046 cam_status status;
1047 struct cam_path *path;
1048
1049 /*
1050 * Create our extend array for storing the devices we attach to.
1051 */
1052 daperiphs = cam_extend_new();
1053 SLIST_INIT(&softc_list);
1054 if (daperiphs == NULL) {
1055 printf("da: Failed to alloc extend array!\n");
1056 return;
1057 }
1058
1059 /*
1060 * Install a global async callback. This callback will
1061 * receive async callbacks like "new device found".
1062 */
1063 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
1064 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
1065
1066 if (status == CAM_REQ_CMP) {
1067 struct ccb_setasync csa;
1068
1069 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
1070 csa.ccb_h.func_code = XPT_SASYNC_CB;
1071 csa.event_enable = AC_FOUND_DEVICE;
1072 csa.callback = daasync;
1073 csa.callback_arg = NULL;
1074 xpt_action((union ccb *)&csa);
1075 status = csa.ccb_h.status;
1076 xpt_free_path(path);
1077 }
1078
1079 if (status != CAM_REQ_CMP) {
1080 printf("da: Failed to attach master async callback "
1081 "due to status 0x%x!\n", status);
1082 } else {
1083
1084 /*
1085 * Schedule a periodic event to occasionally send an
1086 * ordered tag to a device.
1087 */
1088 timeout(dasendorderedtag, NULL,
1089 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
1090
1091 /* Register our shutdown event handler */
1092 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1093 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1094 printf("dainit: shutdown event registration failed!\n");
1095 }
1096}
1097
1098static void
1099daoninvalidate(struct cam_periph *periph)
1100{
1101 int s;
1102 struct da_softc *softc;
1103 struct buf *q_bp;
1104 struct ccb_setasync csa;
1105
1106 softc = (struct da_softc *)periph->softc;
1107
1108 /*
1109 * De-register any async callbacks.
1110 */
1111 xpt_setup_ccb(&csa.ccb_h, periph->path,
1112 /* priority */ 5);
1113 csa.ccb_h.func_code = XPT_SASYNC_CB;
1114 csa.event_enable = 0;
1115 csa.callback = daasync;
1116 csa.callback_arg = periph;
1117 xpt_action((union ccb *)&csa);
1118
1119 softc->flags |= DA_FLAG_PACK_INVALID;
1120
1121 /*
1122 * Although the oninvalidate() routines are always called at
1123 * splsoftcam, we need to be at splbio() here to keep the buffer
1124 * queue from being modified while we traverse it.
1125 */
1126 s = splbio();
1127
1128 /*
1129 * Return all queued I/O with ENXIO.
1130 * XXX Handle any transactions queued to the card
1131 * with XPT_ABORT_CCB.
1132 */
1133 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
1134 bufq_remove(&softc->buf_queue, q_bp);
1135 q_bp->b_resid = q_bp->b_bcount;
1136 q_bp->b_error = ENXIO;
1137 q_bp->b_flags |= B_ERROR;
1138 biodone(q_bp);
1139 }
1140 splx(s);
1141
1142 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1143
1144 xpt_print_path(periph->path);
1145 printf("lost device\n");
1146}
1147
1148static void
1149dacleanup(struct cam_periph *periph)
1150{
1151 struct da_softc *softc;
1152
1153 softc = (struct da_softc *)periph->softc;
1154
1155 devstat_remove_entry(&softc->device_stats);
1156 cam_extend_release(daperiphs, periph->unit_number);
1157 xpt_print_path(periph->path);
1158 printf("removing device entry\n");
1159 if (softc->disk.d_dev) {
335dda38 1160 disk_destroy(&softc->disk);
984263bc
MD
1161 }
1162 free(softc, M_DEVBUF);
1163}
1164
1165static void
1166daasync(void *callback_arg, u_int32_t code,
1167 struct cam_path *path, void *arg)
1168{
1169 struct cam_periph *periph;
1170
1171 periph = (struct cam_periph *)callback_arg;
1172 switch (code) {
1173 case AC_FOUND_DEVICE:
1174 {
1175 struct ccb_getdev *cgd;
1176 cam_status status;
1177
1178 cgd = (struct ccb_getdev *)arg;
1179
1180 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1181 && SID_TYPE(&cgd->inq_data) != T_RBC
1182 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1183 break;
1184
1185 /*
1186 * Allocate a peripheral instance for
1187 * this device and start the probe
1188 * process.
1189 */
1190 status = cam_periph_alloc(daregister, daoninvalidate,
1191 dacleanup, dastart,
1192 "da", CAM_PERIPH_BIO,
1193 cgd->ccb_h.path, daasync,
1194 AC_FOUND_DEVICE, cgd);
1195
1196 if (status != CAM_REQ_CMP
1197 && status != CAM_REQ_INPROG)
1198 printf("daasync: Unable to attach to new device "
1199 "due to status 0x%x\n", status);
1200 break;
1201 }
1202 case AC_SENT_BDR:
1203 case AC_BUS_RESET:
1204 {
1205 struct da_softc *softc;
1206 struct ccb_hdr *ccbh;
1207 int s;
1208
1209 softc = (struct da_softc *)periph->softc;
1210 s = splsoftcam();
1211 /*
1212 * Don't fail on the expected unit attention
1213 * that will occur.
1214 */
1215 softc->flags |= DA_FLAG_RETRY_UA;
1216 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1217 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1218 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1219 splx(s);
1220 /* FALLTHROUGH*/
1221 }
1222 default:
1223 cam_periph_async(periph, code, path, arg);
1224 break;
1225 }
1226}
1227
1228static cam_status
1229daregister(struct cam_periph *periph, void *arg)
1230{
1231 int s;
1232 struct da_softc *softc;
1233 struct ccb_setasync csa;
1234 struct ccb_getdev *cgd;
1235 caddr_t match;
1236
1237 cgd = (struct ccb_getdev *)arg;
1238 if (periph == NULL) {
1239 printf("daregister: periph was NULL!!\n");
1240 return(CAM_REQ_CMP_ERR);
1241 }
1242
1243 if (cgd == NULL) {
1244 printf("daregister: no getdev CCB, can't register device\n");
1245 return(CAM_REQ_CMP_ERR);
1246 }
1247
1248 softc = (struct da_softc *)malloc(sizeof(*softc),M_DEVBUF,M_NOWAIT);
1249
1250 if (softc == NULL) {
1251 printf("daregister: Unable to probe new device. "
1252 "Unable to allocate softc\n");
1253 return(CAM_REQ_CMP_ERR);
1254 }
1255
1256 bzero(softc, sizeof(*softc));
1257 LIST_INIT(&softc->pending_ccbs);
1258 softc->state = DA_STATE_PROBE;
1259 bufq_init(&softc->buf_queue);
1260 if (SID_IS_REMOVABLE(&cgd->inq_data))
1261 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1262 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1263 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1264
1265 periph->softc = softc;
1266
1267 cam_extend_set(daperiphs, periph->unit_number, periph);
1268
1269 /*
1270 * See if this device has any quirks.
1271 */
1272 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1273 (caddr_t)da_quirk_table,
1274 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1275 sizeof(*da_quirk_table), scsi_inquiry_match);
1276
1277 if (match != NULL)
1278 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1279 else
1280 softc->quirks = DA_Q_NONE;
1281
1282 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1283 softc->minimum_cmd_size = 10;
1284 else
1285 softc->minimum_cmd_size = 6;
1286
1287 /*
1288 * Block our timeout handler while we
1289 * add this softc to the dev list.
1290 */
1291 s = splsoftclock();
1292 SLIST_INSERT_HEAD(&softc_list, softc, links);
1293 splx(s);
1294
1295 /*
1296 * The DA driver supports a blocksize, but
1297 * we don't know the blocksize until we do
1298 * a read capacity. So, set a flag to
1299 * indicate that the blocksize is
1300 * unavailable right now. We'll clear the
1301 * flag as soon as we've done a read capacity.
1302 */
1303 devstat_add_entry(&softc->device_stats, "da",
1304 periph->unit_number, 0,
1305 DEVSTAT_BS_UNAVAILABLE,
1306 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1307 DEVSTAT_PRIORITY_DISK);
1308
1309 /*
1310 * Register this media as a disk
1311 */
335dda38 1312 disk_create(periph->unit_number, &softc->disk, 0, &da_cdevsw);
984263bc
MD
1313
1314 /*
1315 * Add async callbacks for bus reset and
1316 * bus device reset calls. I don't bother
1317 * checking if this fails as, in most cases,
1318 * the system will function just fine without
1319 * them and the only alternative would be to
1320 * not attach the device on failure.
1321 */
1322 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1323 csa.ccb_h.func_code = XPT_SASYNC_CB;
1324 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1325 csa.callback = daasync;
1326 csa.callback_arg = periph;
1327 xpt_action((union ccb *)&csa);
1328 /*
1329 * Lock this peripheral until we are setup.
1330 * This first call can't block
1331 */
377d4740 1332 (void)cam_periph_lock(periph, 0);
984263bc
MD
1333 xpt_schedule(periph, /*priority*/5);
1334
1335 return(CAM_REQ_CMP);
1336}
1337
1338static void
1339dastart(struct cam_periph *periph, union ccb *start_ccb)
1340{
1341 struct da_softc *softc;
1342
1343 softc = (struct da_softc *)periph->softc;
1344
1345
1346 switch (softc->state) {
1347 case DA_STATE_NORMAL:
1348 {
1349 /* Pull a buffer from the queue and get going on it */
1350 struct buf *bp;
1351 int s;
1352
1353 /*
1354 * See if there is a buf with work for us to do..
1355 */
1356 s = splbio();
1357 bp = bufq_first(&softc->buf_queue);
1358 if (periph->immediate_priority <= periph->pinfo.priority) {
1359 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1360 ("queuing for immediate ccb\n"));
1361 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1362 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1363 periph_links.sle);
1364 periph->immediate_priority = CAM_PRIORITY_NONE;
1365 splx(s);
1366 wakeup(&periph->ccb_list);
1367 } else if (bp == NULL) {
1368 splx(s);
1369 xpt_release_ccb(start_ccb);
1370 } else {
1371 int oldspl;
1372 u_int8_t tag_code;
1373
1374 bufq_remove(&softc->buf_queue, bp);
1375
1376 devstat_start_transaction(&softc->device_stats);
1377
1378 if ((bp->b_flags & B_ORDERED) != 0
1379 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1380 softc->flags &= ~DA_FLAG_NEED_OTAG;
1381 softc->ordered_tag_count++;
1382 tag_code = MSG_ORDERED_Q_TAG;
1383 } else {
1384 tag_code = MSG_SIMPLE_Q_TAG;
1385 }
1386 if (da_no_6_byte && softc->minimum_cmd_size == 6)
1387 softc->minimum_cmd_size = 10;
1388 scsi_read_write(&start_ccb->csio,
1389 /*retries*/da_retry_count,
1390 dadone,
1391 tag_code,
1392 bp->b_flags & B_READ,
1393 /*byte2*/0,
1394 softc->minimum_cmd_size,
1395 bp->b_pblkno,
1396 bp->b_bcount / softc->params.secsize,
1397 bp->b_data,
1398 bp->b_bcount,
1399 /*sense_len*/SSD_FULL_SIZE,
1400 da_default_timeout * 1000);
1401 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1402
1403 /*
1404 * Block out any asyncronous callbacks
1405 * while we touch the pending ccb list.
1406 */
1407 oldspl = splcam();
1408 LIST_INSERT_HEAD(&softc->pending_ccbs,
1409 &start_ccb->ccb_h, periph_links.le);
1410 splx(oldspl);
1411
1412 /* We expect a unit attention from this device */
1413 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1414 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1415 softc->flags &= ~DA_FLAG_RETRY_UA;
1416 }
1417
1418 start_ccb->ccb_h.ccb_bp = bp;
1419 bp = bufq_first(&softc->buf_queue);
1420 splx(s);
1421
1422 xpt_action(start_ccb);
1423 }
1424
1425 if (bp != NULL) {
1426 /* Have more work to do, so ensure we stay scheduled */
1427 xpt_schedule(periph, /* XXX priority */1);
1428 }
1429 break;
1430 }
1431 case DA_STATE_PROBE:
1432 {
1433 struct ccb_scsiio *csio;
1434 struct scsi_read_capacity_data *rcap;
1435
1436 rcap = (struct scsi_read_capacity_data *)malloc(sizeof(*rcap),
1437 M_TEMP,
1438 M_NOWAIT);
1439 if (rcap == NULL) {
1440 printf("dastart: Couldn't malloc read_capacity data\n");
1441 /* da_free_periph??? */
1442 break;
1443 }
1444 csio = &start_ccb->csio;
1445 scsi_read_capacity(csio,
1446 /*retries*/4,
1447 dadone,
1448 MSG_SIMPLE_Q_TAG,
1449 rcap,
1450 SSD_FULL_SIZE,
1451 /*timeout*/5000);
1452 start_ccb->ccb_h.ccb_bp = NULL;
1453 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1454 xpt_action(start_ccb);
1455 break;
1456 }
1457 }
1458}
1459
1460static int
1461cmd6workaround(union ccb *ccb)
1462{
1463 struct scsi_rw_6 cmd6;
1464 struct scsi_rw_10 *cmd10;
1465 struct da_softc *softc;
1466 u_int8_t *cdb;
1467 int frozen;
1468
1469 cdb = ccb->csio.cdb_io.cdb_bytes;
1470
1471 /* Translation only possible if CDB is an array and cmd is R/W6 */
1472 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1473 (*cdb != READ_6 && *cdb != WRITE_6))
1474 return 0;
1475
1476 xpt_print_path(ccb->ccb_h.path);
1477 printf("READ(6)/WRITE(6) not supported, "
1478 "increasing minimum_cmd_size to 10.\n");
1479 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1480 softc->minimum_cmd_size = 10;
1481
1482 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1483 cmd10 = (struct scsi_rw_10 *)cdb;
1484 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1485 cmd10->byte2 = 0;
1486 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1487 cmd10->reserved = 0;
1488 scsi_ulto2b(cmd6.length, cmd10->length);
1489 cmd10->control = cmd6.control;
1490 ccb->csio.cdb_len = sizeof(*cmd10);
1491
1492 /* Requeue request, unfreezing queue if necessary */
1493 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1494 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1495 xpt_action(ccb);
1496 if (frozen) {
1497 cam_release_devq(ccb->ccb_h.path,
1498 /*relsim_flags*/0,
1499 /*reduction*/0,
1500 /*timeout*/0,
1501 /*getcount_only*/0);
1502 }
1503 return (ERESTART);
1504}
1505
1506static void
1507dadone(struct cam_periph *periph, union ccb *done_ccb)
1508{
1509 struct da_softc *softc;
1510 struct ccb_scsiio *csio;
1511
1512 softc = (struct da_softc *)periph->softc;
1513 csio = &done_ccb->csio;
1514 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1515 case DA_CCB_BUFFER_IO:
1516 {
1517 struct buf *bp;
1518 int oldspl;
1519
1520 bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
1521 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1522 int error;
1523 int s;
1524 int sf;
1525
1526 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1527 sf = SF_RETRY_UA;
1528 else
1529 sf = 0;
1530
1531 /* Retry selection timeouts */
1532 sf |= SF_RETRY_SELTO;
1533
1534 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) {
1535 /*
1536 * A retry was scheuled, so
1537 * just return.
1538 */
1539 return;
1540 }
1541 if (error != 0) {
1542 struct buf *q_bp;
1543
1544 s = splbio();
1545
1546 if (error == ENXIO) {
1547 /*
1548 * Catastrophic error. Mark our pack as
1549 * invalid.
1550 */
1551 /* XXX See if this is really a media
1552 * change first.
1553 */
1554 xpt_print_path(periph->path);
1555 printf("Invalidating pack\n");
1556 softc->flags |= DA_FLAG_PACK_INVALID;
1557 }
1558
1559 /*
1560 * return all queued I/O with EIO, so that
1561 * the client can retry these I/Os in the
1562 * proper order should it attempt to recover.
1563 */
1564 while ((q_bp = bufq_first(&softc->buf_queue))
1565 != NULL) {
1566 bufq_remove(&softc->buf_queue, q_bp);
1567 q_bp->b_resid = q_bp->b_bcount;
1568 q_bp->b_error = EIO;
1569 q_bp->b_flags |= B_ERROR;
1570 biodone(q_bp);
1571 }
1572 splx(s);
1573 bp->b_error = error;
1574 bp->b_resid = bp->b_bcount;
1575 bp->b_flags |= B_ERROR;
1576 } else {
1577 bp->b_resid = csio->resid;
1578 bp->b_error = 0;
1579 if (bp->b_resid != 0) {
1580 /* Short transfer ??? */
1581#if 0
1582 if (cmd6workaround(done_ccb)
1583 == ERESTART)
1584 return;
1585#endif
1586 bp->b_flags |= B_ERROR;
1587 }
1588 }
1589 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1590 cam_release_devq(done_ccb->ccb_h.path,
1591 /*relsim_flags*/0,
1592 /*reduction*/0,
1593 /*timeout*/0,
1594 /*getcount_only*/0);
1595 } else {
1596 bp->b_resid = csio->resid;
1597 if (csio->resid > 0) {
1598 /* Short transfer ??? */
1599#if 0 /* XXX most of the broken umass devices need this ad-hoc work around */
1600 if (cmd6workaround(done_ccb) == ERESTART)
1601 return;
1602#endif
1603 bp->b_flags |= B_ERROR;
1604 }
1605 }
1606
1607 /*
1608 * Block out any asyncronous callbacks
1609 * while we touch the pending ccb list.
1610 */
1611 oldspl = splcam();
1612 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1613 splx(oldspl);
1614
1615 if (softc->device_stats.busy_count == 0)
1616 softc->flags |= DA_FLAG_WENT_IDLE;
1617
1618 devstat_end_transaction_buf(&softc->device_stats, bp);
1619 biodone(bp);
1620 break;
1621 }
1622 case DA_CCB_PROBE:
1623 {
1624 struct scsi_read_capacity_data *rdcap;
1625 char announce_buf[80];
1626
1627 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1628
1629 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1630 struct disk_params *dp;
1631
1632 dasetgeom(periph, rdcap);
1633 dp = &softc->params;
1634 snprintf(announce_buf, sizeof(announce_buf),
1635 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1636 (unsigned long) (((u_int64_t)dp->secsize *
1637 dp->sectors) / (1024*1024)), dp->sectors,
1638 dp->secsize, dp->heads, dp->secs_per_track,
1639 dp->cylinders);
1640 } else {
1641 int error;
1642
1643 announce_buf[0] = '\0';
1644
1645 /*
1646 * Retry any UNIT ATTENTION type errors. They
1647 * are expected at boot.
1648 */
1649 error = daerror(done_ccb, 0, SF_RETRY_UA |
1650 SF_RETRY_SELTO | SF_NO_PRINT);
1651 if (error == ERESTART) {
1652 /*
1653 * A retry was scheuled, so
1654 * just return.
1655 */
1656 return;
1657 } else if (error != 0) {
1658 struct scsi_sense_data *sense;
1659 int asc, ascq;
1660 int sense_key, error_code;
1661 int have_sense;
1662 cam_status status;
1663 struct ccb_getdev cgd;
1664
1665 /* Don't wedge this device's queue */
1666 cam_release_devq(done_ccb->ccb_h.path,
1667 /*relsim_flags*/0,
1668 /*reduction*/0,
1669 /*timeout*/0,
1670 /*getcount_only*/0);
1671
1672 status = done_ccb->ccb_h.status;
1673
1674 xpt_setup_ccb(&cgd.ccb_h,
1675 done_ccb->ccb_h.path,
1676 /* priority */ 1);
1677 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1678 xpt_action((union ccb *)&cgd);
1679
1680 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1681 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1682 || ((status & CAM_AUTOSNS_VALID) == 0))
1683 have_sense = FALSE;
1684 else
1685 have_sense = TRUE;
1686
1687 if (have_sense) {
1688 sense = &csio->sense_data;
1689 scsi_extract_sense(sense, &error_code,
1690 &sense_key,
1691 &asc, &ascq);
1692 }
1693 /*
1694 * Attach to anything that claims to be a
1695 * direct access or optical disk device,
1696 * as long as it doesn't return a "Logical
1697 * unit not supported" (0x25) error.
1698 */
1699 if ((have_sense) && (asc != 0x25)
1700 && (error_code == SSD_CURRENT_ERROR))
1701 snprintf(announce_buf,
1702 sizeof(announce_buf),
1703 "Attempt to query device "
1704 "size failed: %s, %s",
1705 scsi_sense_key_text[sense_key],
1706 scsi_sense_desc(asc,ascq,
1707 &cgd.inq_data));
1708 else {
1709 if (have_sense)
1710 scsi_sense_print(
1711 &done_ccb->csio);
1712 else {
1713 xpt_print_path(periph->path);
1714 printf("got CAM status %#x\n",
1715 done_ccb->ccb_h.status);
1716 }
1717
1718 xpt_print_path(periph->path);
1719 printf("fatal error, failed"
1720 " to attach to device\n");
1721
1722 /*
1723 * Free up resources.
1724 */
1725 cam_periph_invalidate(periph);
1726 }
1727 }
1728 }
1729 free(rdcap, M_TEMP);
1730 if (announce_buf[0] != '\0')
1731 xpt_announce_periph(periph, announce_buf);
1732 softc->state = DA_STATE_NORMAL;
1733 /*
1734 * Since our peripheral may be invalidated by an error
1735 * above or an external event, we must release our CCB
1736 * before releasing the probe lock on the peripheral.
1737 * The peripheral will only go away once the last lock
1738 * is removed, and we need it around for the CCB release
1739 * operation.
1740 */
1741 xpt_release_ccb(done_ccb);
1742 cam_periph_unlock(periph);
1743 return;
1744 }
1745 case DA_CCB_WAITING:
1746 {
1747 /* Caller will release the CCB */
1748 wakeup(&done_ccb->ccb_h.cbfcnp);
1749 return;
1750 }
1751 case DA_CCB_DUMP:
1752 /* No-op. We're polling */
1753 return;
1754 default:
1755 break;
1756 }
1757 xpt_release_ccb(done_ccb);
1758}
1759
1760static int
1761daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1762{
1763 struct da_softc *softc;
1764 struct cam_periph *periph;
1765 int error, sense_key, error_code, asc, ascq;
1766
1767 periph = xpt_path_periph(ccb->ccb_h.path);
1768 softc = (struct da_softc *)periph->softc;
1769
1770 /*
1771 * Automatically detect devices that do not support
1772 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1773 */
1774 error = 0;
1775 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_SCSI_STATUS_ERROR
1776 && ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND) {
1777 scsi_extract_sense(&ccb->csio.sense_data,
1778 &error_code, &sense_key, &asc, &ascq);
1779 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1780 error = cmd6workaround(ccb);
1781 }
1782 if (error == ERESTART)
1783 return (ERESTART);
1784
1785 /*
1786 * XXX
1787 * Until we have a better way of doing pack validation,
1788 * don't treat UAs as errors.
1789 */
1790 sense_flags |= SF_RETRY_UA;
1791 return(cam_periph_error(ccb, cam_flags, sense_flags,
1792 &softc->saved_ccb));
1793}
1794
1795static void
1796daprevent(struct cam_periph *periph, int action)
1797{
1798 struct da_softc *softc;
1799 union ccb *ccb;
1800 int error;
1801
1802 softc = (struct da_softc *)periph->softc;
1803
1804 if (((action == PR_ALLOW)
1805 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1806 || ((action == PR_PREVENT)
1807 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1808 return;
1809 }
1810
1811 ccb = cam_periph_getccb(periph, /*priority*/1);
1812
1813 scsi_prevent(&ccb->csio,
1814 /*retries*/1,
1815 /*cbcfp*/dadone,
1816 MSG_SIMPLE_Q_TAG,
1817 action,
1818 SSD_FULL_SIZE,
1819 5000);
1820
1821 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1822 /*sense_flags*/0, &softc->device_stats);
1823
1824 if (error == 0) {
1825 if (action == PR_ALLOW)
1826 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1827 else
1828 softc->flags |= DA_FLAG_PACK_LOCKED;
1829 }
1830
1831 xpt_release_ccb(ccb);
1832}
1833
1834static void
1835dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1836{
1837 struct ccb_calc_geometry ccg;
1838 struct da_softc *softc;
1839 struct disk_params *dp;
1840
1841 softc = (struct da_softc *)periph->softc;
1842
1843 dp = &softc->params;
1844 dp->secsize = scsi_4btoul(rdcap->length);
1845 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1846 /*
1847 * Have the controller provide us with a geometry
1848 * for this disk. The only time the geometry
1849 * matters is when we boot and the controller
1850 * is the only one knowledgeable enough to come
1851 * up with something that will make this a bootable
1852 * device.
1853 */
1854 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1855 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1856 ccg.block_size = dp->secsize;
1857 ccg.volume_size = dp->sectors;
1858 ccg.heads = 0;
1859 ccg.secs_per_track = 0;
1860 ccg.cylinders = 0;
1861 xpt_action((union ccb*)&ccg);
1862 dp->heads = ccg.heads;
1863 dp->secs_per_track = ccg.secs_per_track;
1864 dp->cylinders = ccg.cylinders;
1865}
1866
1867static void
1868dasendorderedtag(void *arg)
1869{
1870 struct da_softc *softc;
1871 int s;
1872
1873 for (softc = SLIST_FIRST(&softc_list);
1874 softc != NULL;
1875 softc = SLIST_NEXT(softc, links)) {
1876 s = splsoftcam();
1877 if ((softc->ordered_tag_count == 0)
1878 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1879 softc->flags |= DA_FLAG_NEED_OTAG;
1880 }
1881 if (softc->device_stats.busy_count > 0)
1882 softc->flags &= ~DA_FLAG_WENT_IDLE;
1883
1884 softc->ordered_tag_count = 0;
1885 splx(s);
1886 }
1887 /* Queue us up again */
1888 timeout(dasendorderedtag, NULL,
1889 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1890}
1891
1892/*
1893 * Step through all DA peripheral drivers, and if the device is still open,
1894 * sync the disk cache to physical media.
1895 */
1896static void
1897dashutdown(void * arg, int howto)
1898{
1899 struct cam_periph *periph;
1900 struct da_softc *softc;
1901
1902 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1903 periph = TAILQ_NEXT(periph, unit_links)) {
1904 union ccb ccb;
1905 softc = (struct da_softc *)periph->softc;
1906
1907 /*
1908 * We only sync the cache if the drive is still open, and
1909 * if the drive is capable of it..
1910 */
1911 if (((softc->flags & DA_FLAG_OPEN) == 0)
1912 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1913 continue;
1914
1915 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1916
1917 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1918 scsi_synchronize_cache(&ccb.csio,
1919 /*retries*/1,
1920 /*cbfcnp*/dadone,
1921 MSG_SIMPLE_Q_TAG,
1922 /*begin_lba*/0, /* whole disk */
1923 /*lb_count*/0,
1924 SSD_FULL_SIZE,
1925 5 * 60 * 1000);
1926
1927 xpt_polled_action(&ccb);
1928
1929 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1930 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1931 CAM_SCSI_STATUS_ERROR)
1932 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1933 int error_code, sense_key, asc, ascq;
1934
1935 scsi_extract_sense(&ccb.csio.sense_data,
1936 &error_code, &sense_key,
1937 &asc, &ascq);
1938
1939 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1940 scsi_sense_print(&ccb.csio);
1941 } else {
1942 xpt_print_path(periph->path);
1943 printf("Synchronize cache failed, status "
1944 "== 0x%x, scsi status == 0x%x\n",
1945 ccb.ccb_h.status, ccb.csio.scsi_status);
1946 }
1947 }
1948
1949 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1950 cam_release_devq(ccb.ccb_h.path,
1951 /*relsim_flags*/0,
1952 /*reduction*/0,
1953 /*timeout*/0,
1954 /*getcount_only*/0);
1955
1956 }
1957}
1958
1959#else /* !_KERNEL */
1960
1961/*
1962 * XXX This is only left out of the kernel build to silence warnings. If,
1963 * for some reason this function is used in the kernel, the ifdefs should
1964 * be moved so it is included both in the kernel and userland.
1965 */
1966void
1967scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1968 void (*cbfcnp)(struct cam_periph *, union ccb *),
1969 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1970 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1971 u_int32_t timeout)
1972{
1973 struct scsi_format_unit *scsi_cmd;
1974
1975 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1976 scsi_cmd->opcode = FORMAT_UNIT;
1977 scsi_cmd->byte2 = byte2;
1978 scsi_ulto2b(ileave, scsi_cmd->interleave);
1979
1980 cam_fill_csio(csio,
1981 retries,
1982 cbfcnp,
1983 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1984 tag_action,
1985 data_ptr,
1986 dxfer_len,
1987 sense_len,
1988 sizeof(*scsi_cmd),
1989 timeout);
1990}
1991
1992#endif /* _KERNEL */