yar 2004-08-28 12:49:58 UTC
[dragonfly.git] / sys / bus / cam / scsi / scsi_da.c
CommitLineData
984263bc
MD
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 *
62ade751 28 * $FreeBSD: src/sys/cam/scsi/scsi_da.c,v 1.42.2.46 2003/10/21 22:18:19 thomas Exp $
e4c9c0c8 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.17 2004/05/19 22:52:38 dillon Exp $
984263bc
MD
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>
984263bc
MD
38
39#ifdef _KERNEL
40#include <sys/systm.h>
41#include <sys/kernel.h>
42#include <sys/buf.h>
43#include <sys/sysctl.h>
62ade751 44#include <sys/taskqueue.h>
984263bc
MD
45#endif /* _KERNEL */
46
47#include <sys/devicestat.h>
48#include <sys/conf.h>
49#include <sys/disk.h>
50#include <sys/eventhandler.h>
05220613 51#ifdef _KERNEL
984263bc
MD
52#include <sys/malloc.h>
53#include <sys/cons.h>
3020e3be 54#include <sys/proc.h>
05220613 55#endif
3020e3be 56#include <sys/buf2.h>
984263bc
MD
57
58#include <machine/md_var.h>
59
05220613 60#ifdef _KERNEL
984263bc
MD
61#include <vm/vm.h>
62#include <vm/pmap.h>
05220613 63#endif
984263bc
MD
64
65#ifndef _KERNEL
66#include <stdio.h>
67#include <string.h>
68#endif /* _KERNEL */
69
1f2de5d4
MD
70#include "../cam.h"
71#include "../cam_ccb.h"
72#include "../cam_extend.h"
73#include "../cam_periph.h"
74#include "../cam_xpt_periph.h"
984263bc 75
1f2de5d4 76#include "scsi_message.h"
984263bc
MD
77
78#ifndef _KERNEL
1f2de5d4 79#include "scsi_da.h"
984263bc
MD
80#endif /* !_KERNEL */
81
82#ifdef _KERNEL
83typedef enum {
84 DA_STATE_PROBE,
85 DA_STATE_NORMAL
86} da_state;
87
88typedef enum {
89 DA_FLAG_PACK_INVALID = 0x001,
90 DA_FLAG_NEW_PACK = 0x002,
91 DA_FLAG_PACK_LOCKED = 0x004,
92 DA_FLAG_PACK_REMOVABLE = 0x008,
93 DA_FLAG_TAGGED_QUEUING = 0x010,
94 DA_FLAG_NEED_OTAG = 0x020,
95 DA_FLAG_WENT_IDLE = 0x040,
96 DA_FLAG_RETRY_UA = 0x080,
62ade751
MD
97 DA_FLAG_OPEN = 0x100,
98 DA_FLAG_SCTX_INIT = 0x200
984263bc
MD
99} da_flags;
100
101typedef enum {
102 DA_Q_NONE = 0x00,
103 DA_Q_NO_SYNC_CACHE = 0x01,
62ade751
MD
104 DA_Q_NO_6_BYTE = 0x02,
105 DA_Q_NO_PREVENT = 0x04
984263bc
MD
106} da_quirks;
107
108typedef enum {
109 DA_CCB_PROBE = 0x01,
110 DA_CCB_BUFFER_IO = 0x02,
111 DA_CCB_WAITING = 0x03,
112 DA_CCB_DUMP = 0x04,
113 DA_CCB_TYPE_MASK = 0x0F,
114 DA_CCB_RETRY_UA = 0x10
115} da_ccb_state;
116
117/* Offsets into our private area for storing information */
118#define ccb_state ppriv_field0
119#define ccb_bp ppriv_ptr1
120
121struct disk_params {
122 u_int8_t heads;
123 u_int16_t cylinders;
124 u_int8_t secs_per_track;
125 u_int32_t secsize; /* Number of bytes/sector */
126 u_int32_t sectors; /* total number sectors */
127};
128
129struct da_softc {
130 struct buf_queue_head buf_queue;
131 struct devstat device_stats;
132 SLIST_ENTRY(da_softc) links;
133 LIST_HEAD(, ccb_hdr) pending_ccbs;
134 da_state state;
135 da_flags flags;
136 da_quirks quirks;
137 int minimum_cmd_size;
138 int ordered_tag_count;
139 struct disk_params params;
140 struct disk disk;
141 union ccb saved_ccb;
62ade751
MD
142 struct task sysctl_task;
143 struct sysctl_ctx_list sysctl_ctx;
144 struct sysctl_oid *sysctl_tree;
984263bc
MD
145};
146
147struct da_quirk_entry {
148 struct scsi_inquiry_pattern inq_pat;
149 da_quirks quirks;
150};
151
152static const char quantum[] = "QUANTUM";
153static const char microp[] = "MICROP";
154
155static struct da_quirk_entry da_quirk_table[] =
156{
62ade751 157 /* SPI, FC devices */
984263bc
MD
158 {
159 /*
160 * Fujitsu M2513A MO drives.
161 * Tested devices: M2513A2 firmware versions 1200 & 1300.
162 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
163 * Reported by: W.Scholten <whs@xs4all.nl>
164 */
165 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
166 /*quirks*/ DA_Q_NO_SYNC_CACHE
167 },
168 {
169 /* See above. */
170 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
171 /*quirks*/ DA_Q_NO_SYNC_CACHE
172 },
173 {
174 /*
175 * This particular Fujitsu drive doesn't like the
176 * synchronize cache command.
177 * Reported by: Tom Jackson <toj@gorilla.net>
178 */
179 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
180 /*quirks*/ DA_Q_NO_SYNC_CACHE
181
182 },
183 {
184 /*
185 * This drive doesn't like the synchronize cache command
186 * either. Reported by: Matthew Jacob <mjacob@feral.com>
187 * in NetBSD PR kern/6027, August 24, 1998.
188 */
189 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
190 /*quirks*/ DA_Q_NO_SYNC_CACHE
191 },
192 {
193 /*
194 * This drive doesn't like the synchronize cache command
195 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
196 * (PR 8882).
197 */
198 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
199 /*quirks*/ DA_Q_NO_SYNC_CACHE
200 },
201 {
202 /*
203 * Doesn't like the synchronize cache command.
204 * Reported by: Blaz Zupan <blaz@gold.amis.net>
205 */
206 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
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, "MAVERICK 540S", "*"},
214 /*quirks*/ DA_Q_NO_SYNC_CACHE
215 },
216 {
217 /*
218 * Doesn't like the synchronize cache command.
219 */
220 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
221 /*quirks*/ DA_Q_NO_SYNC_CACHE
222 },
223 {
224 /*
225 * Doesn't work correctly with 6 byte reads/writes.
226 * Returns illegal request, and points to byte 9 of the
227 * 6-byte CDB.
228 * Reported by: Adam McDougall <bsdx@spawnet.com>
229 */
230 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
231 /*quirks*/ DA_Q_NO_6_BYTE
232 },
233 {
62ade751 234 /* See above. */
984263bc
MD
235 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
236 /*quirks*/ DA_Q_NO_6_BYTE
237 },
62ade751
MD
238 /* XXX USB floppy quirks temporarily enabled for 4.9R */
239 /* USB floppy devices supported by umass(4) */
984263bc
MD
240 {
241 /*
242 * This USB floppy drive uses the UFI command set. This
243 * command set is a derivative of the ATAPI command set and
244 * does not support READ_6 commands only READ_10. It also does
245 * not support sync cache (0x35).
246 */
247 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
62ade751 248 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
249 },
250 {
251 /* Another USB floppy */
252 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
62ade751
MD
253 /*quirks*/ DA_Q_NO_SYNC_CACHE
254 },
255 {
256 /*
257 * The vendor, product and version strings coming from the
258 * controller are null terminated instead of being padded with
259 * spaces. The trailing wildcard character '*' is required.
260 */
261 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
262 /*quirks*/ DA_Q_NO_SYNC_CACHE
263 },
264 {
265 /*
266 * SmartDisk (Mitsumi) USB floppy drive
267 * PR: kern/50226
268 */
269 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
270 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 271 },
62ade751
MD
272#ifdef DA_OLD_QUIRKS
273 /* USB mass storage devices supported by umass(4) */
984263bc
MD
274 {
275 /*
276 * Sony Memory Stick adapter MSAC-US1 and
277 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
278 * Make all sony MS* products use this quirk.
279 */
280 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
62ade751 281 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
282 },
283 {
284 /*
285 * Sony Memory Stick adapter for the CLIE series
286 * of PalmOS PDA's
287 */
288 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
62ade751 289 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
290 },
291 {
292 /*
62ade751
MD
293 * Intelligent Stick USB disk-on-key
294 * PR: kern/53005
984263bc 295 */
62ade751
MD
296 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card",
297 "IntelligentStick*", "*"},
298 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
299 },
300 {
301 /*
62ade751 302 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
984263bc 303 */
62ade751
MD
304 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
305 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
306 },
307 {
308 /*
309 * Microtech USB CameraMate
310 */
311 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
312 "Compact Flash*", "*"},
62ade751 313 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
314 },
315 {
316 /*
317 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
318 */
319 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
62ade751 320 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
321 },
322 {
323 /*
324 * Olympus digital cameras (E-100RS, E-10).
325 */
326 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
62ade751 327 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
328 },
329 {
330 /*
331 * KingByte Pen Drives
332 */
333 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
62ade751 334 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
335 },
336 {
337 /*
338 * FujiFilm Camera
339 */
340 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
341 "USB-DRIVEUNIT", "*"},
62ade751 342 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 343 },
984263bc
MD
344 {
345 /*
346 * Minolta Dimage E203
347 */
348 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
62ade751 349 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
350 },
351 {
352 /*
353 * Apacer HandyDrive
354 * PR: kern/43627
355 */
356 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
62ade751 357 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
358 },
359 {
360 /*
361 * Daisy Technology PhotoClip on Zoran chip
362 * PR: kern/43580
363 */
364 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
62ade751 365 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
366 },
367 {
368 /*
369 * Sony USB Key-Storage
370 * PR: kern/46386
371 */
372 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
62ade751 373 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 374 },
62ade751 375#endif /* DA_OLD_QUIRKS */
984263bc
MD
376 {
377 /*
62ade751
MD
378 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
379 * PR: kern/51675
984263bc 380 */
62ade751
MD
381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
382 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
383 },
384 {
385 /*
62ade751
MD
386 * Jungsoft NEXDISK USB flash key
387 * PR: kern/54737
984263bc 388 */
62ade751
MD
389 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
390 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc
MD
391 },
392 {
393 /*
62ade751
MD
394 * Creative Nomad MUVO mp3 player (USB)
395 * PR: kern/53094
984263bc 396 */
62ade751
MD
397 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
398 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
984263bc 399 },
984263bc
MD
400};
401
402static d_open_t daopen;
403static d_close_t daclose;
404static d_strategy_t dastrategy;
405static d_ioctl_t daioctl;
406static d_dump_t dadump;
407static periph_init_t dainit;
408static void daasync(void *callback_arg, u_int32_t code,
409 struct cam_path *path, void *arg);
62ade751 410static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
984263bc
MD
411static periph_ctor_t daregister;
412static periph_dtor_t dacleanup;
413static periph_start_t dastart;
414static periph_oninv_t daoninvalidate;
415static void dadone(struct cam_periph *periph,
416 union ccb *done_ccb);
417static int daerror(union ccb *ccb, u_int32_t cam_flags,
418 u_int32_t sense_flags);
419static void daprevent(struct cam_periph *periph, int action);
420static void dasetgeom(struct cam_periph *periph,
421 struct scsi_read_capacity_data * rdcap);
422static timeout_t dasendorderedtag;
423static void dashutdown(void *arg, int howto);
424
425#ifndef DA_DEFAULT_TIMEOUT
426#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
427#endif
428
429#ifndef DA_DEFAULT_RETRY
430#define DA_DEFAULT_RETRY 4
431#endif
432
433static int da_retry_count = DA_DEFAULT_RETRY;
434static int da_default_timeout = DA_DEFAULT_TIMEOUT;
984263bc 435
984263bc
MD
436SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
437 "CAM Direct Access Disk driver");
438SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
439 &da_retry_count, 0, "Normal I/O retry count");
62ade751 440TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
984263bc
MD
441SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
442 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
62ade751 443TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
984263bc
MD
444
445/*
446 * DA_ORDEREDTAG_INTERVAL determines how often, relative
447 * to the default timeout, we check to see whether an ordered
448 * tagged transaction is appropriate to prevent simple tag
449 * starvation. Since we'd like to ensure that there is at least
450 * 1/2 of the timeout length left for a starved transaction to
451 * complete after we've sent an ordered tag, we must poll at least
452 * four times in every timeout period. This takes care of the worst
453 * case where a starved transaction starts during an interval that
454 * meets the requirement "don't send an ordered tag" test so it takes
455 * us two intervals to determine that a tag must be sent.
456 */
457#ifndef DA_ORDEREDTAG_INTERVAL
458#define DA_ORDEREDTAG_INTERVAL 4
459#endif
460
461static struct periph_driver dadriver =
462{
463 dainit, "da",
464 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
465};
466
467DATA_SET(periphdriver_set, dadriver);
468
984263bc
MD
469/* For 2.2-stable support */
470#ifndef D_DISK
471#define D_DISK 0
472#endif
473
474static struct cdevsw da_cdevsw = {
fabb8ceb
MD
475 /* name */ "da",
476 /* maj */ DA_CDEV_MAJOR,
477 /* flags */ D_DISK,
478 /* port */ NULL,
455fcd7e 479 /* clone */ NULL,
fabb8ceb 480
984263bc
MD
481 /* open */ daopen,
482 /* close */ daclose,
483 /* read */ physread,
484 /* write */ physwrite,
485 /* ioctl */ daioctl,
486 /* poll */ nopoll,
487 /* mmap */ nommap,
488 /* strategy */ dastrategy,
984263bc 489 /* dump */ dadump,
fabb8ceb 490 /* psize */ nopsize
984263bc
MD
491};
492
984263bc
MD
493static SLIST_HEAD(,da_softc) softc_list;
494static struct extend_array *daperiphs;
495
496static int
41c20dac 497daopen(dev_t dev, int flags, int fmt, struct thread *td)
984263bc
MD
498{
499 struct cam_periph *periph;
500 struct da_softc *softc;
501 struct disklabel *label;
502 int unit;
503 int part;
504 int error;
505 int s;
506
507 unit = dkunit(dev);
508 part = dkpart(dev);
509 periph = cam_extend_get(daperiphs, unit);
510 if (periph == NULL)
511 return (ENXIO);
512
513 softc = (struct da_softc *)periph->softc;
514
515 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
516 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
517 unit, part));
518
377d4740 519 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
984263bc
MD
520 return (error); /* error code from tsleep */
521 }
522
523 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
524 return(ENXIO);
525 softc->flags |= DA_FLAG_OPEN;
526
527 s = splsoftcam();
528 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
529 /* Invalidate our pack information. */
530 disk_invalidate(&softc->disk);
531 softc->flags &= ~DA_FLAG_PACK_INVALID;
532 }
533 splx(s);
534
535 /* Do a read capacity */
536 {
537 struct scsi_read_capacity_data *rcap;
538 union ccb *ccb;
539
898d961b 540 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
984263bc
MD
541
542 ccb = cam_periph_getccb(periph, /*priority*/1);
543 scsi_read_capacity(&ccb->csio,
544 /*retries*/1,
545 /*cbfncp*/dadone,
546 MSG_SIMPLE_Q_TAG,
547 rcap,
548 SSD_FULL_SIZE,
549 /*timeout*/60000);
550 ccb->ccb_h.ccb_bp = NULL;
551
552 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
553 /*sense_flags*/SF_RETRY_UA |
554 SF_RETRY_SELTO,
555 &softc->device_stats);
556
557 xpt_release_ccb(ccb);
558
559 if (error == 0) {
560 dasetgeom(periph, rcap);
561 }
562
563 free(rcap, M_TEMP);
564 }
565
566 if (error == 0) {
567 struct ccb_getdev cgd;
568
569 /* Build label for whole disk. */
570 label = &softc->disk.d_label;
571 bzero(label, sizeof(*label));
572 label->d_type = DTYPE_SCSI;
573
574 /*
575 * Grab the inquiry data to get the vendor and product names.
576 * Put them in the typename and packname for the label.
577 */
578 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
579 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
580 xpt_action((union ccb *)&cgd);
581
582 strncpy(label->d_typename, cgd.inq_data.vendor,
583 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
584 strncpy(label->d_packname, cgd.inq_data.product,
585 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
586
587 label->d_secsize = softc->params.secsize;
588 label->d_nsectors = softc->params.secs_per_track;
589 label->d_ntracks = softc->params.heads;
590 label->d_ncylinders = softc->params.cylinders;
591 label->d_secpercyl = softc->params.heads
592 * softc->params.secs_per_track;
593 label->d_secperunit = softc->params.sectors;
594
62ade751
MD
595 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
596 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 597 daprevent(periph, PR_PREVENT);
984263bc
MD
598
599 /*
600 * Check to see whether or not the blocksize is set yet.
601 * If it isn't, set it and then clear the blocksize
602 * unavailable flag for the device statistics.
603 */
604 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
605 softc->device_stats.block_size = softc->params.secsize;
606 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
607 }
608 }
609
610 if (error != 0) {
62ade751
MD
611 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
612 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 613 daprevent(periph, PR_ALLOW);
984263bc
MD
614 softc->flags &= ~DA_FLAG_OPEN;
615 cam_periph_release(periph);
616 }
617 cam_periph_unlock(periph);
618 return (error);
619}
620
621static int
41c20dac 622daclose(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
623{
624 struct cam_periph *periph;
625 struct da_softc *softc;
626 int unit;
627 int error;
628
629 unit = dkunit(dev);
630 periph = cam_extend_get(daperiphs, unit);
631 if (periph == NULL)
632 return (ENXIO);
633
634 softc = (struct da_softc *)periph->softc;
635
377d4740 636 if ((error = cam_periph_lock(periph, 0)) != 0) {
984263bc
MD
637 return (error); /* error code from tsleep */
638 }
639
640 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
641 union ccb *ccb;
642
643 ccb = cam_periph_getccb(periph, /*priority*/1);
644
645 scsi_synchronize_cache(&ccb->csio,
646 /*retries*/1,
647 /*cbfcnp*/dadone,
648 MSG_SIMPLE_Q_TAG,
649 /*begin_lba*/0,/* Cover the whole disk */
650 /*lb_count*/0,
651 SSD_FULL_SIZE,
652 5 * 60 * 1000);
653
654 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
655 /*sense_flags*/SF_RETRY_UA,
656 &softc->device_stats);
657
658 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
659 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
660 CAM_SCSI_STATUS_ERROR) {
661 int asc, ascq;
662 int sense_key, error_code;
663
664 scsi_extract_sense(&ccb->csio.sense_data,
665 &error_code,
666 &sense_key,
667 &asc, &ascq);
668 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
669 scsi_sense_print(&ccb->csio);
670 } else {
671 xpt_print_path(periph->path);
672 printf("Synchronize cache failed, status "
673 "== 0x%x, scsi status == 0x%x\n",
674 ccb->csio.ccb_h.status,
675 ccb->csio.scsi_status);
676 }
677 }
678
679 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
680 cam_release_devq(ccb->ccb_h.path,
681 /*relsim_flags*/0,
682 /*reduction*/0,
683 /*timeout*/0,
684 /*getcount_only*/0);
685
686 xpt_release_ccb(ccb);
687
688 }
689
690 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
62ade751
MD
691 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
692 daprevent(periph, PR_ALLOW);
984263bc
MD
693 /*
694 * If we've got removeable media, mark the blocksize as
695 * unavailable, since it could change when new media is
696 * inserted.
697 */
698 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
699 }
700
701 softc->flags &= ~DA_FLAG_OPEN;
702 cam_periph_unlock(periph);
703 cam_periph_release(periph);
704 return (0);
705}
706
707/*
708 * Actually translate the requested transfer into one the physical driver
709 * can understand. The transfer is described by a buf and will include
710 * only one physical transfer.
711 */
712static void
713dastrategy(struct buf *bp)
714{
715 struct cam_periph *periph;
716 struct da_softc *softc;
717 u_int unit;
718 u_int part;
719 int s;
720
721 unit = dkunit(bp->b_dev);
722 part = dkpart(bp->b_dev);
723 periph = cam_extend_get(daperiphs, unit);
724 if (periph == NULL) {
725 bp->b_error = ENXIO;
726 goto bad;
727 }
728 softc = (struct da_softc *)periph->softc;
729#if 0
730 /*
731 * check it's not too big a transfer for our adapter
732 */
733 scsi_minphys(bp,&sd_switch);
734#endif
735
736 /*
737 * Mask interrupts so that the pack cannot be invalidated until
738 * after we are in the queue. Otherwise, we might not properly
739 * clean up one of the buffers.
740 */
741 s = splbio();
742
743 /*
744 * If the device has been made invalid, error out
745 */
746 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
747 splx(s);
748 bp->b_error = ENXIO;
749 goto bad;
750 }
751
752 /*
753 * Place it in the queue of disk activities for this disk
754 */
755 bufqdisksort(&softc->buf_queue, bp);
756
757 splx(s);
758
759 /*
760 * Schedule ourselves for performing the work.
761 */
762 xpt_schedule(periph, /* XXX priority */1);
763
764 return;
765bad:
766 bp->b_flags |= B_ERROR;
767
768 /*
769 * Correctly set the buf to indicate a completed xfer
770 */
771 bp->b_resid = bp->b_bcount;
772 biodone(bp);
773 return;
774}
775
776/* For 2.2-stable support */
777#ifndef ENOIOCTL
778#define ENOIOCTL -1
779#endif
780
781static int
41c20dac 782daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
984263bc
MD
783{
784 struct cam_periph *periph;
785 struct da_softc *softc;
786 int unit;
787 int error;
788
789 unit = dkunit(dev);
790 periph = cam_extend_get(daperiphs, unit);
791 if (periph == NULL)
792 return (ENXIO);
793
794 softc = (struct da_softc *)periph->softc;
795
796 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n"));
797
377d4740 798 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
984263bc
MD
799 return (error); /* error code from tsleep */
800 }
801
802 error = cam_periph_ioctl(periph, cmd, addr, daerror);
803
804 cam_periph_unlock(periph);
805
806 return (error);
807}
808
809static int
e4c9c0c8 810dadump(dev_t dev, u_int num, u_int blknum, u_int secsize)
984263bc
MD
811{
812 struct cam_periph *periph;
813 struct da_softc *softc;
814 u_int unit;
984263bc 815 long blkcnt;
62ade751 816 vm_paddr_t addr;
984263bc
MD
817 struct ccb_scsiio csio;
818 int dumppages = MAXDUMPPGS;
984263bc
MD
819 int i;
820
821 /* toss any characters present prior to dump */
822 while (cncheckc() != -1)
823 ;
824
825 unit = dkunit(dev);
984263bc
MD
826 periph = cam_extend_get(daperiphs, unit);
827 if (periph == NULL) {
828 return (ENXIO);
829 }
830 softc = (struct da_softc *)periph->softc;
831
832 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
833 return (ENXIO);
834
984263bc
MD
835 addr = 0; /* starting address */
836 blkcnt = howmany(PAGE_SIZE, secsize);
837
838 while (num > 0) {
839 caddr_t va = NULL;
840
841 if ((num / blkcnt) < dumppages)
842 dumppages = num / blkcnt;
843
844 for (i = 0; i < dumppages; ++i) {
62ade751 845 vm_paddr_t a = addr + (i * PAGE_SIZE);
984263bc
MD
846 if (is_physical_memory(a))
847 va = pmap_kenter_temporary(trunc_page(a), i);
848 else
849 va = pmap_kenter_temporary(trunc_page(0), i);
850 }
851
852 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
853 csio.ccb_h.ccb_state = DA_CCB_DUMP;
854 scsi_read_write(&csio,
855 /*retries*/1,
856 dadone,
857 MSG_ORDERED_Q_TAG,
858 /*read*/FALSE,
859 /*byte2*/0,
860 /*minimum_cmd_size*/ softc->minimum_cmd_size,
861 blknum,
862 blkcnt * dumppages,
863 /*data_ptr*/(u_int8_t *) va,
864 /*dxfer_len*/blkcnt * secsize * dumppages,
865 /*sense_len*/SSD_FULL_SIZE,
866 DA_DEFAULT_TIMEOUT * 1000);
867 xpt_polled_action((union ccb *)&csio);
868
869 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
870 printf("Aborting dump due to I/O error.\n");
871 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
872 CAM_SCSI_STATUS_ERROR)
873 scsi_sense_print(&csio);
874 else
875 printf("status == 0x%x, scsi status == 0x%x\n",
876 csio.ccb_h.status, csio.scsi_status);
877 return(EIO);
878 }
879
880 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0)
881 return (EINTR);
882
883 /* update block count */
884 num -= blkcnt * dumppages;
885 blknum += blkcnt * dumppages;
886 addr += PAGE_SIZE * dumppages;
887 }
888
889 /*
890 * Sync the disk cache contents to the physical media.
891 */
892 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
893
894 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
895 csio.ccb_h.ccb_state = DA_CCB_DUMP;
896 scsi_synchronize_cache(&csio,
897 /*retries*/1,
898 /*cbfcnp*/dadone,
899 MSG_SIMPLE_Q_TAG,
900 /*begin_lba*/0,/* Cover the whole disk */
901 /*lb_count*/0,
902 SSD_FULL_SIZE,
903 5 * 60 * 1000);
904 xpt_polled_action((union ccb *)&csio);
905
906 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
907 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
908 CAM_SCSI_STATUS_ERROR) {
909 int asc, ascq;
910 int sense_key, error_code;
911
912 scsi_extract_sense(&csio.sense_data,
913 &error_code,
914 &sense_key,
915 &asc, &ascq);
916 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
917 scsi_sense_print(&csio);
918 } else {
919 xpt_print_path(periph->path);
920 printf("Synchronize cache failed, status "
921 "== 0x%x, scsi status == 0x%x\n",
922 csio.ccb_h.status, csio.scsi_status);
923 }
924 }
925 }
926 return (0);
927}
928
929static void
930dainit(void)
931{
932 cam_status status;
933 struct cam_path *path;
934
935 /*
936 * Create our extend array for storing the devices we attach to.
937 */
938 daperiphs = cam_extend_new();
939 SLIST_INIT(&softc_list);
940 if (daperiphs == NULL) {
941 printf("da: Failed to alloc extend array!\n");
942 return;
943 }
944
945 /*
946 * Install a global async callback. This callback will
947 * receive async callbacks like "new device found".
948 */
949 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
950 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
951
952 if (status == CAM_REQ_CMP) {
953 struct ccb_setasync csa;
954
955 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
956 csa.ccb_h.func_code = XPT_SASYNC_CB;
957 csa.event_enable = AC_FOUND_DEVICE;
958 csa.callback = daasync;
959 csa.callback_arg = NULL;
960 xpt_action((union ccb *)&csa);
961 status = csa.ccb_h.status;
962 xpt_free_path(path);
963 }
964
965 if (status != CAM_REQ_CMP) {
966 printf("da: Failed to attach master async callback "
967 "due to status 0x%x!\n", status);
968 } else {
969
970 /*
971 * Schedule a periodic event to occasionally send an
972 * ordered tag to a device.
973 */
974 timeout(dasendorderedtag, NULL,
975 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL);
976
977 /* Register our shutdown event handler */
978 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
979 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
980 printf("dainit: shutdown event registration failed!\n");
981 }
982}
983
984static void
985daoninvalidate(struct cam_periph *periph)
986{
987 int s;
988 struct da_softc *softc;
989 struct buf *q_bp;
990 struct ccb_setasync csa;
991
992 softc = (struct da_softc *)periph->softc;
993
994 /*
995 * De-register any async callbacks.
996 */
997 xpt_setup_ccb(&csa.ccb_h, periph->path,
998 /* priority */ 5);
999 csa.ccb_h.func_code = XPT_SASYNC_CB;
1000 csa.event_enable = 0;
1001 csa.callback = daasync;
1002 csa.callback_arg = periph;
1003 xpt_action((union ccb *)&csa);
1004
1005 softc->flags |= DA_FLAG_PACK_INVALID;
1006
1007 /*
1008 * Although the oninvalidate() routines are always called at
1009 * splsoftcam, we need to be at splbio() here to keep the buffer
1010 * queue from being modified while we traverse it.
1011 */
1012 s = splbio();
1013
1014 /*
1015 * Return all queued I/O with ENXIO.
1016 * XXX Handle any transactions queued to the card
1017 * with XPT_ABORT_CCB.
1018 */
1019 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
1020 bufq_remove(&softc->buf_queue, q_bp);
1021 q_bp->b_resid = q_bp->b_bcount;
1022 q_bp->b_error = ENXIO;
1023 q_bp->b_flags |= B_ERROR;
1024 biodone(q_bp);
1025 }
1026 splx(s);
1027
1028 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1029
1030 xpt_print_path(periph->path);
1031 printf("lost device\n");
1032}
1033
1034static void
1035dacleanup(struct cam_periph *periph)
1036{
1037 struct da_softc *softc;
1038
1039 softc = (struct da_softc *)periph->softc;
1040
1041 devstat_remove_entry(&softc->device_stats);
1042 cam_extend_release(daperiphs, periph->unit_number);
1043 xpt_print_path(periph->path);
1044 printf("removing device entry\n");
62ade751
MD
1045 /*
1046 * If we can't free the sysctl tree, oh well...
1047 */
1048 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1049 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1050 xpt_print_path(periph->path);
1051 printf("can't remove sysctl context\n");
1052 }
e4c9c0c8 1053 if (softc->disk.d_rawdev) {
335dda38 1054 disk_destroy(&softc->disk);
984263bc
MD
1055 }
1056 free(softc, M_DEVBUF);
1057}
1058
1059static void
1060daasync(void *callback_arg, u_int32_t code,
1061 struct cam_path *path, void *arg)
1062{
1063 struct cam_periph *periph;
1064
1065 periph = (struct cam_periph *)callback_arg;
1066 switch (code) {
1067 case AC_FOUND_DEVICE:
1068 {
1069 struct ccb_getdev *cgd;
1070 cam_status status;
1071
1072 cgd = (struct ccb_getdev *)arg;
1073
1074 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1075 && SID_TYPE(&cgd->inq_data) != T_RBC
1076 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1077 break;
1078
1079 /*
1080 * Allocate a peripheral instance for
1081 * this device and start the probe
1082 * process.
1083 */
1084 status = cam_periph_alloc(daregister, daoninvalidate,
1085 dacleanup, dastart,
1086 "da", CAM_PERIPH_BIO,
1087 cgd->ccb_h.path, daasync,
1088 AC_FOUND_DEVICE, cgd);
1089
1090 if (status != CAM_REQ_CMP
1091 && status != CAM_REQ_INPROG)
1092 printf("daasync: Unable to attach to new device "
1093 "due to status 0x%x\n", status);
1094 break;
1095 }
1096 case AC_SENT_BDR:
1097 case AC_BUS_RESET:
1098 {
1099 struct da_softc *softc;
1100 struct ccb_hdr *ccbh;
1101 int s;
1102
1103 softc = (struct da_softc *)periph->softc;
1104 s = splsoftcam();
1105 /*
1106 * Don't fail on the expected unit attention
1107 * that will occur.
1108 */
1109 softc->flags |= DA_FLAG_RETRY_UA;
1110 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1111 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1112 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1113 splx(s);
1114 /* FALLTHROUGH*/
1115 }
1116 default:
1117 cam_periph_async(periph, code, path, arg);
1118 break;
1119 }
1120}
1121
62ade751
MD
1122static void
1123dasysctlinit(void *context, int pending)
1124{
1125 struct cam_periph *periph;
1126 struct da_softc *softc;
1127 char tmpstr[80], tmpstr2[80];
1128
1129 periph = (struct cam_periph *)context;
1130 softc = (struct da_softc *)periph->softc;
1131
1132 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1133 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1134
1135 sysctl_ctx_init(&softc->sysctl_ctx);
1136 softc->flags |= DA_FLAG_SCTX_INIT;
1137 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1138 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1139 CTLFLAG_RD, 0, tmpstr);
1140 if (softc->sysctl_tree == NULL) {
1141 printf("dasysctlinit: unable to allocate sysctl tree\n");
1142 return;
1143 }
1144
1145 /*
1146 * Now register the sysctl handler, so the user can the value on
1147 * the fly.
1148 */
1149 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1150 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1151 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1152 "Minimum CDB size");
1153}
1154
1155static int
1156dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1157{
1158 int error, value;
1159
1160 value = *(int *)arg1;
1161
1162 error = sysctl_handle_int(oidp, &value, 0, req);
1163
1164 if ((error != 0)
1165 || (req->newptr == NULL))
1166 return (error);
1167
1168 /*
1169 * Acceptable values here are 6, 10 or 12. It's possible we may
1170 * support a 16 byte minimum command size in the future, since
1171 * there are now READ(16) and WRITE(16) commands defined in the
1172 * SBC-2 spec.
1173 */
1174 if (value < 6)
1175 value = 6;
1176 else if ((value > 6)
1177 && (value <= 10))
1178 value = 10;
1179 else if (value > 10)
1180 value = 12;
1181
1182 *(int *)arg1 = value;
1183
1184 return (0);
1185}
1186
984263bc
MD
1187static cam_status
1188daregister(struct cam_periph *periph, void *arg)
1189{
1190 int s;
1191 struct da_softc *softc;
1192 struct ccb_setasync csa;
62ade751 1193 struct ccb_pathinq cpi;
984263bc 1194 struct ccb_getdev *cgd;
62ade751 1195 char tmpstr[80];
984263bc
MD
1196 caddr_t match;
1197
1198 cgd = (struct ccb_getdev *)arg;
1199 if (periph == NULL) {
1200 printf("daregister: periph was NULL!!\n");
1201 return(CAM_REQ_CMP_ERR);
1202 }
1203
1204 if (cgd == NULL) {
1205 printf("daregister: no getdev CCB, can't register device\n");
1206 return(CAM_REQ_CMP_ERR);
1207 }
1208
ad86f6b6 1209 softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
984263bc
MD
1210 LIST_INIT(&softc->pending_ccbs);
1211 softc->state = DA_STATE_PROBE;
1212 bufq_init(&softc->buf_queue);
1213 if (SID_IS_REMOVABLE(&cgd->inq_data))
1214 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1215 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1216 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1217
1218 periph->softc = softc;
1219
1220 cam_extend_set(daperiphs, periph->unit_number, periph);
1221
1222 /*
1223 * See if this device has any quirks.
1224 */
1225 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1226 (caddr_t)da_quirk_table,
1227 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1228 sizeof(*da_quirk_table), scsi_inquiry_match);
1229
1230 if (match != NULL)
1231 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1232 else
1233 softc->quirks = DA_Q_NONE;
1234
62ade751
MD
1235 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1236
1237 /* Check if the SIM does not want 6 byte commands */
1238 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
1239 cpi.ccb_h.func_code = XPT_PATH_INQ;
1240 xpt_action((union ccb *)&cpi);
1241 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1242 softc->quirks |= DA_Q_NO_6_BYTE;
1243
1244 /*
1245 * RBC devices don't have to support READ(6), only READ(10).
1246 */
984263bc
MD
1247 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1248 softc->minimum_cmd_size = 10;
1249 else
1250 softc->minimum_cmd_size = 6;
1251
62ade751
MD
1252 /*
1253 * Load the user's default, if any.
1254 */
1255 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1256 periph->unit_number);
1257 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1258
1259 /*
1260 * 6, 10 and 12 are the currently permissible values.
1261 */
1262 if (softc->minimum_cmd_size < 6)
1263 softc->minimum_cmd_size = 6;
1264 else if ((softc->minimum_cmd_size > 6)
1265 && (softc->minimum_cmd_size <= 10))
1266 softc->minimum_cmd_size = 10;
1267 else if (softc->minimum_cmd_size > 12)
1268 softc->minimum_cmd_size = 12;
1269
984263bc
MD
1270 /*
1271 * Block our timeout handler while we
1272 * add this softc to the dev list.
1273 */
1274 s = splsoftclock();
1275 SLIST_INSERT_HEAD(&softc_list, softc, links);
1276 splx(s);
1277
1278 /*
1279 * The DA driver supports a blocksize, but
1280 * we don't know the blocksize until we do
1281 * a read capacity. So, set a flag to
1282 * indicate that the blocksize is
1283 * unavailable right now. We'll clear the
1284 * flag as soon as we've done a read capacity.
1285 */
1286 devstat_add_entry(&softc->device_stats, "da",
1287 periph->unit_number, 0,
1288 DEVSTAT_BS_UNAVAILABLE,
1289 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1290 DEVSTAT_PRIORITY_DISK);
1291
1292 /*
1293 * Register this media as a disk
1294 */
335dda38 1295 disk_create(periph->unit_number, &softc->disk, 0, &da_cdevsw);
984263bc
MD
1296
1297 /*
1298 * Add async callbacks for bus reset and
1299 * bus device reset calls. I don't bother
1300 * checking if this fails as, in most cases,
1301 * the system will function just fine without
1302 * them and the only alternative would be to
1303 * not attach the device on failure.
1304 */
1305 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1306 csa.ccb_h.func_code = XPT_SASYNC_CB;
1307 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1308 csa.callback = daasync;
1309 csa.callback_arg = periph;
1310 xpt_action((union ccb *)&csa);
1311 /*
1312 * Lock this peripheral until we are setup.
1313 * This first call can't block
1314 */
377d4740 1315 (void)cam_periph_lock(periph, 0);
984263bc
MD
1316 xpt_schedule(periph, /*priority*/5);
1317
1318 return(CAM_REQ_CMP);
1319}
1320
1321static void
1322dastart(struct cam_periph *periph, union ccb *start_ccb)
1323{
1324 struct da_softc *softc;
1325
1326 softc = (struct da_softc *)periph->softc;
1327
1328
1329 switch (softc->state) {
1330 case DA_STATE_NORMAL:
1331 {
1332 /* Pull a buffer from the queue and get going on it */
1333 struct buf *bp;
1334 int s;
1335
1336 /*
1337 * See if there is a buf with work for us to do..
1338 */
1339 s = splbio();
1340 bp = bufq_first(&softc->buf_queue);
1341 if (periph->immediate_priority <= periph->pinfo.priority) {
1342 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1343 ("queuing for immediate ccb\n"));
1344 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1345 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1346 periph_links.sle);
1347 periph->immediate_priority = CAM_PRIORITY_NONE;
1348 splx(s);
1349 wakeup(&periph->ccb_list);
1350 } else if (bp == NULL) {
1351 splx(s);
1352 xpt_release_ccb(start_ccb);
1353 } else {
1354 int oldspl;
1355 u_int8_t tag_code;
1356
1357 bufq_remove(&softc->buf_queue, bp);
1358
1359 devstat_start_transaction(&softc->device_stats);
1360
1361 if ((bp->b_flags & B_ORDERED) != 0
1362 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1363 softc->flags &= ~DA_FLAG_NEED_OTAG;
1364 softc->ordered_tag_count++;
1365 tag_code = MSG_ORDERED_Q_TAG;
1366 } else {
1367 tag_code = MSG_SIMPLE_Q_TAG;
1368 }
984263bc
MD
1369 scsi_read_write(&start_ccb->csio,
1370 /*retries*/da_retry_count,
1371 dadone,
1372 tag_code,
1373 bp->b_flags & B_READ,
1374 /*byte2*/0,
1375 softc->minimum_cmd_size,
1376 bp->b_pblkno,
1377 bp->b_bcount / softc->params.secsize,
1378 bp->b_data,
1379 bp->b_bcount,
1380 /*sense_len*/SSD_FULL_SIZE,
1381 da_default_timeout * 1000);
1382 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1383
1384 /*
1385 * Block out any asyncronous callbacks
1386 * while we touch the pending ccb list.
1387 */
1388 oldspl = splcam();
1389 LIST_INSERT_HEAD(&softc->pending_ccbs,
1390 &start_ccb->ccb_h, periph_links.le);
1391 splx(oldspl);
1392
1393 /* We expect a unit attention from this device */
1394 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1395 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1396 softc->flags &= ~DA_FLAG_RETRY_UA;
1397 }
1398
1399 start_ccb->ccb_h.ccb_bp = bp;
1400 bp = bufq_first(&softc->buf_queue);
1401 splx(s);
1402
1403 xpt_action(start_ccb);
1404 }
1405
1406 if (bp != NULL) {
1407 /* Have more work to do, so ensure we stay scheduled */
1408 xpt_schedule(periph, /* XXX priority */1);
1409 }
1410 break;
1411 }
1412 case DA_STATE_PROBE:
1413 {
1414 struct ccb_scsiio *csio;
1415 struct scsi_read_capacity_data *rcap;
1416
898d961b 1417 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
984263bc
MD
1418 csio = &start_ccb->csio;
1419 scsi_read_capacity(csio,
1420 /*retries*/4,
1421 dadone,
1422 MSG_SIMPLE_Q_TAG,
1423 rcap,
1424 SSD_FULL_SIZE,
1425 /*timeout*/5000);
1426 start_ccb->ccb_h.ccb_bp = NULL;
1427 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1428 xpt_action(start_ccb);
1429 break;
1430 }
1431 }
1432}
1433
1434static int
1435cmd6workaround(union ccb *ccb)
1436{
1437 struct scsi_rw_6 cmd6;
1438 struct scsi_rw_10 *cmd10;
1439 struct da_softc *softc;
1440 u_int8_t *cdb;
1441 int frozen;
1442
1443 cdb = ccb->csio.cdb_io.cdb_bytes;
1444
1445 /* Translation only possible if CDB is an array and cmd is R/W6 */
1446 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1447 (*cdb != READ_6 && *cdb != WRITE_6))
1448 return 0;
1449
1450 xpt_print_path(ccb->ccb_h.path);
1451 printf("READ(6)/WRITE(6) not supported, "
1452 "increasing minimum_cmd_size to 10.\n");
1453 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1454 softc->minimum_cmd_size = 10;
1455
1456 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1457 cmd10 = (struct scsi_rw_10 *)cdb;
1458 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1459 cmd10->byte2 = 0;
1460 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1461 cmd10->reserved = 0;
1462 scsi_ulto2b(cmd6.length, cmd10->length);
1463 cmd10->control = cmd6.control;
1464 ccb->csio.cdb_len = sizeof(*cmd10);
1465
1466 /* Requeue request, unfreezing queue if necessary */
1467 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1468 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1469 xpt_action(ccb);
1470 if (frozen) {
1471 cam_release_devq(ccb->ccb_h.path,
1472 /*relsim_flags*/0,
1473 /*reduction*/0,
1474 /*timeout*/0,
1475 /*getcount_only*/0);
1476 }
1477 return (ERESTART);
1478}
1479
1480static void
1481dadone(struct cam_periph *periph, union ccb *done_ccb)
1482{
1483 struct da_softc *softc;
1484 struct ccb_scsiio *csio;
1485
1486 softc = (struct da_softc *)periph->softc;
1487 csio = &done_ccb->csio;
1488 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1489 case DA_CCB_BUFFER_IO:
1490 {
1491 struct buf *bp;
1492 int oldspl;
1493
1494 bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
1495 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1496 int error;
1497 int s;
1498 int sf;
1499
1500 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1501 sf = SF_RETRY_UA;
1502 else
1503 sf = 0;
1504
1505 /* Retry selection timeouts */
1506 sf |= SF_RETRY_SELTO;
1507
1508 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) {
1509 /*
1510 * A retry was scheuled, so
1511 * just return.
1512 */
1513 return;
1514 }
1515 if (error != 0) {
1516 struct buf *q_bp;
1517
1518 s = splbio();
1519
1520 if (error == ENXIO) {
1521 /*
1522 * Catastrophic error. Mark our pack as
1523 * invalid.
1524 */
1525 /* XXX See if this is really a media
1526 * change first.
1527 */
1528 xpt_print_path(periph->path);
1529 printf("Invalidating pack\n");
1530 softc->flags |= DA_FLAG_PACK_INVALID;
1531 }
1532
1533 /*
1534 * return all queued I/O with EIO, so that
1535 * the client can retry these I/Os in the
1536 * proper order should it attempt to recover.
1537 */
1538 while ((q_bp = bufq_first(&softc->buf_queue))
1539 != NULL) {
1540 bufq_remove(&softc->buf_queue, q_bp);
1541 q_bp->b_resid = q_bp->b_bcount;
1542 q_bp->b_error = EIO;
1543 q_bp->b_flags |= B_ERROR;
1544 biodone(q_bp);
1545 }
1546 splx(s);
1547 bp->b_error = error;
1548 bp->b_resid = bp->b_bcount;
1549 bp->b_flags |= B_ERROR;
1550 } else {
1551 bp->b_resid = csio->resid;
1552 bp->b_error = 0;
62ade751 1553 if (bp->b_resid != 0)
984263bc 1554 bp->b_flags |= B_ERROR;
984263bc
MD
1555 }
1556 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1557 cam_release_devq(done_ccb->ccb_h.path,
1558 /*relsim_flags*/0,
1559 /*reduction*/0,
1560 /*timeout*/0,
1561 /*getcount_only*/0);
1562 } else {
1563 bp->b_resid = csio->resid;
62ade751 1564 if (csio->resid > 0)
984263bc 1565 bp->b_flags |= B_ERROR;
984263bc
MD
1566 }
1567
1568 /*
1569 * Block out any asyncronous callbacks
1570 * while we touch the pending ccb list.
1571 */
1572 oldspl = splcam();
1573 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1574 splx(oldspl);
1575
1576 if (softc->device_stats.busy_count == 0)
1577 softc->flags |= DA_FLAG_WENT_IDLE;
1578
1579 devstat_end_transaction_buf(&softc->device_stats, bp);
1580 biodone(bp);
1581 break;
1582 }
1583 case DA_CCB_PROBE:
1584 {
1585 struct scsi_read_capacity_data *rdcap;
1586 char announce_buf[80];
1587
1588 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1589
1590 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1591 struct disk_params *dp;
1592
1593 dasetgeom(periph, rdcap);
1594 dp = &softc->params;
1595 snprintf(announce_buf, sizeof(announce_buf),
1596 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1597 (unsigned long) (((u_int64_t)dp->secsize *
1598 dp->sectors) / (1024*1024)), dp->sectors,
1599 dp->secsize, dp->heads, dp->secs_per_track,
1600 dp->cylinders);
1601 } else {
1602 int error;
1603
1604 announce_buf[0] = '\0';
1605
1606 /*
1607 * Retry any UNIT ATTENTION type errors. They
1608 * are expected at boot.
1609 */
1610 error = daerror(done_ccb, 0, SF_RETRY_UA |
1611 SF_RETRY_SELTO | SF_NO_PRINT);
1612 if (error == ERESTART) {
1613 /*
1614 * A retry was scheuled, so
1615 * just return.
1616 */
1617 return;
1618 } else if (error != 0) {
1619 struct scsi_sense_data *sense;
1620 int asc, ascq;
1621 int sense_key, error_code;
1622 int have_sense;
1623 cam_status status;
1624 struct ccb_getdev cgd;
1625
1626 /* Don't wedge this device's queue */
1627 cam_release_devq(done_ccb->ccb_h.path,
1628 /*relsim_flags*/0,
1629 /*reduction*/0,
1630 /*timeout*/0,
1631 /*getcount_only*/0);
1632
1633 status = done_ccb->ccb_h.status;
1634
1635 xpt_setup_ccb(&cgd.ccb_h,
1636 done_ccb->ccb_h.path,
1637 /* priority */ 1);
1638 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1639 xpt_action((union ccb *)&cgd);
1640
1641 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1642 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1643 || ((status & CAM_AUTOSNS_VALID) == 0))
1644 have_sense = FALSE;
1645 else
1646 have_sense = TRUE;
1647
1648 if (have_sense) {
1649 sense = &csio->sense_data;
1650 scsi_extract_sense(sense, &error_code,
1651 &sense_key,
1652 &asc, &ascq);
1653 }
1654 /*
1655 * Attach to anything that claims to be a
1656 * direct access or optical disk device,
1657 * as long as it doesn't return a "Logical
1658 * unit not supported" (0x25) error.
1659 */
1660 if ((have_sense) && (asc != 0x25)
1661 && (error_code == SSD_CURRENT_ERROR))
1662 snprintf(announce_buf,
1663 sizeof(announce_buf),
1664 "Attempt to query device "
1665 "size failed: %s, %s",
1666 scsi_sense_key_text[sense_key],
1667 scsi_sense_desc(asc,ascq,
1668 &cgd.inq_data));
1669 else {
1670 if (have_sense)
1671 scsi_sense_print(
1672 &done_ccb->csio);
1673 else {
1674 xpt_print_path(periph->path);
1675 printf("got CAM status %#x\n",
1676 done_ccb->ccb_h.status);
1677 }
1678
1679 xpt_print_path(periph->path);
1680 printf("fatal error, failed"
1681 " to attach to device\n");
1682
1683 /*
1684 * Free up resources.
1685 */
1686 cam_periph_invalidate(periph);
1687 }
1688 }
1689 }
1690 free(rdcap, M_TEMP);
62ade751 1691 if (announce_buf[0] != '\0') {
984263bc 1692 xpt_announce_periph(periph, announce_buf);
62ade751
MD
1693 /*
1694 * Create our sysctl variables, now that we know
1695 * we have successfully attached.
1696 */
1697 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1698 }
984263bc
MD
1699 softc->state = DA_STATE_NORMAL;
1700 /*
1701 * Since our peripheral may be invalidated by an error
1702 * above or an external event, we must release our CCB
1703 * before releasing the probe lock on the peripheral.
1704 * The peripheral will only go away once the last lock
1705 * is removed, and we need it around for the CCB release
1706 * operation.
1707 */
1708 xpt_release_ccb(done_ccb);
1709 cam_periph_unlock(periph);
1710 return;
1711 }
1712 case DA_CCB_WAITING:
1713 {
1714 /* Caller will release the CCB */
1715 wakeup(&done_ccb->ccb_h.cbfcnp);
1716 return;
1717 }
1718 case DA_CCB_DUMP:
1719 /* No-op. We're polling */
1720 return;
1721 default:
1722 break;
1723 }
1724 xpt_release_ccb(done_ccb);
1725}
1726
1727static int
1728daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1729{
1730 struct da_softc *softc;
1731 struct cam_periph *periph;
62ade751 1732 int error;
984263bc
MD
1733
1734 periph = xpt_path_periph(ccb->ccb_h.path);
1735 softc = (struct da_softc *)periph->softc;
1736
1737 /*
1738 * Automatically detect devices that do not support
1739 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1740 */
1741 error = 0;
62ade751
MD
1742 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1743 error = cmd6workaround(ccb);
1744 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1745 CAM_SCSI_STATUS_ERROR)
1746 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1747 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1748 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1749 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1750 int sense_key, error_code, asc, ascq;
1751
984263bc
MD
1752 scsi_extract_sense(&ccb->csio.sense_data,
1753 &error_code, &sense_key, &asc, &ascq);
1754 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1755 error = cmd6workaround(ccb);
1756 }
1757 if (error == ERESTART)
1758 return (ERESTART);
1759
1760 /*
1761 * XXX
1762 * Until we have a better way of doing pack validation,
1763 * don't treat UAs as errors.
1764 */
1765 sense_flags |= SF_RETRY_UA;
1766 return(cam_periph_error(ccb, cam_flags, sense_flags,
1767 &softc->saved_ccb));
1768}
1769
1770static void
1771daprevent(struct cam_periph *periph, int action)
1772{
1773 struct da_softc *softc;
1774 union ccb *ccb;
1775 int error;
1776
1777 softc = (struct da_softc *)periph->softc;
1778
1779 if (((action == PR_ALLOW)
1780 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1781 || ((action == PR_PREVENT)
1782 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1783 return;
1784 }
1785
1786 ccb = cam_periph_getccb(periph, /*priority*/1);
1787
1788 scsi_prevent(&ccb->csio,
1789 /*retries*/1,
1790 /*cbcfp*/dadone,
1791 MSG_SIMPLE_Q_TAG,
1792 action,
1793 SSD_FULL_SIZE,
1794 5000);
1795
1796 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1797 /*sense_flags*/0, &softc->device_stats);
1798
1799 if (error == 0) {
1800 if (action == PR_ALLOW)
1801 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1802 else
1803 softc->flags |= DA_FLAG_PACK_LOCKED;
1804 }
1805
1806 xpt_release_ccb(ccb);
1807}
1808
1809static void
1810dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1811{
1812 struct ccb_calc_geometry ccg;
1813 struct da_softc *softc;
1814 struct disk_params *dp;
1815
1816 softc = (struct da_softc *)periph->softc;
1817
1818 dp = &softc->params;
1819 dp->secsize = scsi_4btoul(rdcap->length);
1820 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1821 /*
1822 * Have the controller provide us with a geometry
1823 * for this disk. The only time the geometry
1824 * matters is when we boot and the controller
1825 * is the only one knowledgeable enough to come
1826 * up with something that will make this a bootable
1827 * device.
1828 */
1829 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1830 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1831 ccg.block_size = dp->secsize;
1832 ccg.volume_size = dp->sectors;
1833 ccg.heads = 0;
1834 ccg.secs_per_track = 0;
1835 ccg.cylinders = 0;
1836 xpt_action((union ccb*)&ccg);
1837 dp->heads = ccg.heads;
1838 dp->secs_per_track = ccg.secs_per_track;
1839 dp->cylinders = ccg.cylinders;
1840}
1841
1842static void
1843dasendorderedtag(void *arg)
1844{
1845 struct da_softc *softc;
1846 int s;
1847
1848 for (softc = SLIST_FIRST(&softc_list);
1849 softc != NULL;
1850 softc = SLIST_NEXT(softc, links)) {
1851 s = splsoftcam();
1852 if ((softc->ordered_tag_count == 0)
1853 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1854 softc->flags |= DA_FLAG_NEED_OTAG;
1855 }
1856 if (softc->device_stats.busy_count > 0)
1857 softc->flags &= ~DA_FLAG_WENT_IDLE;
1858
1859 softc->ordered_tag_count = 0;
1860 splx(s);
1861 }
1862 /* Queue us up again */
1863 timeout(dasendorderedtag, NULL,
1864 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL);
1865}
1866
1867/*
1868 * Step through all DA peripheral drivers, and if the device is still open,
1869 * sync the disk cache to physical media.
1870 */
1871static void
1872dashutdown(void * arg, int howto)
1873{
1874 struct cam_periph *periph;
1875 struct da_softc *softc;
1876
1877 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1878 periph = TAILQ_NEXT(periph, unit_links)) {
1879 union ccb ccb;
1880 softc = (struct da_softc *)periph->softc;
1881
1882 /*
1883 * We only sync the cache if the drive is still open, and
1884 * if the drive is capable of it..
1885 */
1886 if (((softc->flags & DA_FLAG_OPEN) == 0)
1887 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1888 continue;
1889
1890 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1891
1892 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1893 scsi_synchronize_cache(&ccb.csio,
1894 /*retries*/1,
1895 /*cbfcnp*/dadone,
1896 MSG_SIMPLE_Q_TAG,
1897 /*begin_lba*/0, /* whole disk */
1898 /*lb_count*/0,
1899 SSD_FULL_SIZE,
1900 5 * 60 * 1000);
1901
1902 xpt_polled_action(&ccb);
1903
1904 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1905 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1906 CAM_SCSI_STATUS_ERROR)
1907 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1908 int error_code, sense_key, asc, ascq;
1909
1910 scsi_extract_sense(&ccb.csio.sense_data,
1911 &error_code, &sense_key,
1912 &asc, &ascq);
1913
1914 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1915 scsi_sense_print(&ccb.csio);
1916 } else {
1917 xpt_print_path(periph->path);
1918 printf("Synchronize cache failed, status "
1919 "== 0x%x, scsi status == 0x%x\n",
1920 ccb.ccb_h.status, ccb.csio.scsi_status);
1921 }
1922 }
1923
1924 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1925 cam_release_devq(ccb.ccb_h.path,
1926 /*relsim_flags*/0,
1927 /*reduction*/0,
1928 /*timeout*/0,
1929 /*getcount_only*/0);
1930
1931 }
1932}
1933
1934#else /* !_KERNEL */
1935
1936/*
1937 * XXX This is only left out of the kernel build to silence warnings. If,
1938 * for some reason this function is used in the kernel, the ifdefs should
1939 * be moved so it is included both in the kernel and userland.
1940 */
1941void
1942scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1943 void (*cbfcnp)(struct cam_periph *, union ccb *),
1944 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1945 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1946 u_int32_t timeout)
1947{
1948 struct scsi_format_unit *scsi_cmd;
1949
1950 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1951 scsi_cmd->opcode = FORMAT_UNIT;
1952 scsi_cmd->byte2 = byte2;
1953 scsi_ulto2b(ileave, scsi_cmd->interleave);
1954
1955 cam_fill_csio(csio,
1956 retries,
1957 cbfcnp,
1958 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1959 tag_action,
1960 data_ptr,
1961 dxfer_len,
1962 sense_len,
1963 sizeof(*scsi_cmd),
1964 timeout);
1965}
1966
1967#endif /* _KERNEL */