Change the kernel dev_t, representing a pointer to a specinfo structure,
[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 *
62ade751 28 * $FreeBSD: src/sys/cam/scsi/scsi_da.c,v 1.42.2.46 2003/10/21 22:18:19 thomas Exp $
b13267a5 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.32 2006/09/10 01:26:32 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>
62ade751 44#include <sys/taskqueue.h>
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45#endif /* _KERNEL */
46
47#include <sys/devicestat.h>
48#include <sys/conf.h>
d9f3f6fa 49#ifdef _KERNEL
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50#include <sys/disk.h>
51#include <sys/eventhandler.h>
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>
8224dde2 57#ifdef _KERNEL
4e01b467 58#include <sys/thread2.h>
8224dde2 59#endif
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60
61#include <machine/md_var.h>
62
05220613 63#ifdef _KERNEL
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64#include <vm/vm.h>
65#include <vm/pmap.h>
05220613 66#endif
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67
68#ifndef _KERNEL
69#include <stdio.h>
70#include <string.h>
71#endif /* _KERNEL */
72
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73#include "../cam.h"
74#include "../cam_ccb.h"
75#include "../cam_extend.h"
76#include "../cam_periph.h"
77#include "../cam_xpt_periph.h"
984263bc 78
1f2de5d4 79#include "scsi_message.h"
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80
81#ifndef _KERNEL
1f2de5d4 82#include "scsi_da.h"
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83#endif /* !_KERNEL */
84
85#ifdef _KERNEL
86typedef enum {
87 DA_STATE_PROBE,
88 DA_STATE_NORMAL
89} da_state;
90
91typedef enum {
92 DA_FLAG_PACK_INVALID = 0x001,
93 DA_FLAG_NEW_PACK = 0x002,
94 DA_FLAG_PACK_LOCKED = 0x004,
95 DA_FLAG_PACK_REMOVABLE = 0x008,
96 DA_FLAG_TAGGED_QUEUING = 0x010,
97 DA_FLAG_NEED_OTAG = 0x020,
98 DA_FLAG_WENT_IDLE = 0x040,
99 DA_FLAG_RETRY_UA = 0x080,
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100 DA_FLAG_OPEN = 0x100,
101 DA_FLAG_SCTX_INIT = 0x200
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102} da_flags;
103
104typedef enum {
105 DA_Q_NONE = 0x00,
106 DA_Q_NO_SYNC_CACHE = 0x01,
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107 DA_Q_NO_6_BYTE = 0x02,
108 DA_Q_NO_PREVENT = 0x04
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109} da_quirks;
110
111typedef enum {
112 DA_CCB_PROBE = 0x01,
113 DA_CCB_BUFFER_IO = 0x02,
114 DA_CCB_WAITING = 0x03,
115 DA_CCB_DUMP = 0x04,
116 DA_CCB_TYPE_MASK = 0x0F,
117 DA_CCB_RETRY_UA = 0x10
118} da_ccb_state;
119
120/* Offsets into our private area for storing information */
121#define ccb_state ppriv_field0
81b5c339 122#define ccb_bio ppriv_ptr1
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123
124struct disk_params {
125 u_int8_t heads;
126 u_int16_t cylinders;
127 u_int8_t secs_per_track;
128 u_int32_t secsize; /* Number of bytes/sector */
129 u_int32_t sectors; /* total number sectors */
130};
131
132struct da_softc {
81b5c339 133 struct bio_queue_head bio_queue;
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134 struct devstat device_stats;
135 SLIST_ENTRY(da_softc) links;
136 LIST_HEAD(, ccb_hdr) pending_ccbs;
137 da_state state;
138 da_flags flags;
139 da_quirks quirks;
140 int minimum_cmd_size;
141 int ordered_tag_count;
142 struct disk_params params;
143 struct disk disk;
144 union ccb saved_ccb;
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145 struct task sysctl_task;
146 struct sysctl_ctx_list sysctl_ctx;
147 struct sysctl_oid *sysctl_tree;
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148};
149
150struct da_quirk_entry {
151 struct scsi_inquiry_pattern inq_pat;
152 da_quirks quirks;
153};
154
155static const char quantum[] = "QUANTUM";
156static const char microp[] = "MICROP";
157
158static struct da_quirk_entry da_quirk_table[] =
159{
62ade751 160 /* SPI, FC devices */
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161 {
162 /*
163 * Fujitsu M2513A MO drives.
164 * Tested devices: M2513A2 firmware versions 1200 & 1300.
165 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
166 * Reported by: W.Scholten <whs@xs4all.nl>
167 */
168 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
169 /*quirks*/ DA_Q_NO_SYNC_CACHE
170 },
171 {
172 /* See above. */
173 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
174 /*quirks*/ DA_Q_NO_SYNC_CACHE
175 },
176 {
177 /*
178 * This particular Fujitsu drive doesn't like the
179 * synchronize cache command.
180 * Reported by: Tom Jackson <toj@gorilla.net>
181 */
182 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
183 /*quirks*/ DA_Q_NO_SYNC_CACHE
184
185 },
186 {
187 /*
188 * This drive doesn't like the synchronize cache command
189 * either. Reported by: Matthew Jacob <mjacob@feral.com>
190 * in NetBSD PR kern/6027, August 24, 1998.
191 */
192 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
193 /*quirks*/ DA_Q_NO_SYNC_CACHE
194 },
195 {
196 /*
197 * This drive doesn't like the synchronize cache command
198 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
199 * (PR 8882).
200 */
201 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
202 /*quirks*/ DA_Q_NO_SYNC_CACHE
203 },
204 {
205 /*
206 * Doesn't like the synchronize cache command.
207 * Reported by: Blaz Zupan <blaz@gold.amis.net>
208 */
209 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
210 /*quirks*/ DA_Q_NO_SYNC_CACHE
211 },
212 {
213 /*
214 * Doesn't like the synchronize cache command.
215 */
216 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
217 /*quirks*/ DA_Q_NO_SYNC_CACHE
218 },
219 {
220 /*
221 * Doesn't like the synchronize cache command.
222 */
223 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
224 /*quirks*/ DA_Q_NO_SYNC_CACHE
225 },
226 {
227 /*
228 * Doesn't work correctly with 6 byte reads/writes.
229 * Returns illegal request, and points to byte 9 of the
230 * 6-byte CDB.
231 * Reported by: Adam McDougall <bsdx@spawnet.com>
232 */
233 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
234 /*quirks*/ DA_Q_NO_6_BYTE
235 },
236 {
62ade751 237 /* See above. */
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238 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
239 /*quirks*/ DA_Q_NO_6_BYTE
240 },
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241 /* XXX USB floppy quirks temporarily enabled for 4.9R */
242 /* USB floppy devices supported by umass(4) */
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243 {
244 /*
245 * This USB floppy drive uses the UFI command set. This
246 * command set is a derivative of the ATAPI command set and
247 * does not support READ_6 commands only READ_10. It also does
248 * not support sync cache (0x35).
249 */
250 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
62ade751 251 /*quirks*/ DA_Q_NO_SYNC_CACHE
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252 },
253 {
254 /* Another USB floppy */
255 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
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256 /*quirks*/ DA_Q_NO_SYNC_CACHE
257 },
258 {
259 /*
260 * The vendor, product and version strings coming from the
261 * controller are null terminated instead of being padded with
262 * spaces. The trailing wildcard character '*' is required.
263 */
264 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
265 /*quirks*/ DA_Q_NO_SYNC_CACHE
266 },
267 {
268 /*
269 * SmartDisk (Mitsumi) USB floppy drive
270 * PR: kern/50226
271 */
272 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
273 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 274 },
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275 {
276 /*
277 * The CISS RAID controllers do not support SYNC_CACHE
278 */
279 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
280 /*quirks*/ DA_Q_NO_SYNC_CACHE
281 },
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282#ifdef DA_OLD_QUIRKS
283 /* USB mass storage devices supported by umass(4) */
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284 {
285 /*
286 * Sony Memory Stick adapter MSAC-US1 and
287 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
288 * Make all sony MS* products use this quirk.
289 */
290 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
62ade751 291 /*quirks*/ DA_Q_NO_SYNC_CACHE
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292 },
293 {
294 /*
295 * Sony Memory Stick adapter for the CLIE series
296 * of PalmOS PDA's
297 */
298 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
62ade751 299 /*quirks*/ DA_Q_NO_SYNC_CACHE
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300 },
301 {
302 /*
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303 * Intelligent Stick USB disk-on-key
304 * PR: kern/53005
984263bc 305 */
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306 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card",
307 "IntelligentStick*", "*"},
308 /*quirks*/ DA_Q_NO_SYNC_CACHE
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309 },
310 {
311 /*
62ade751 312 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
984263bc 313 */
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314 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
315 /*quirks*/ DA_Q_NO_SYNC_CACHE
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316 },
317 {
318 /*
319 * Microtech USB CameraMate
320 */
321 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
322 "Compact Flash*", "*"},
62ade751 323 /*quirks*/ DA_Q_NO_SYNC_CACHE
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324 },
325 {
326 /*
327 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
328 */
329 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
62ade751 330 /*quirks*/ DA_Q_NO_SYNC_CACHE
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331 },
332 {
333 /*
334 * Olympus digital cameras (E-100RS, E-10).
335 */
336 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
62ade751 337 /*quirks*/ DA_Q_NO_SYNC_CACHE
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338 },
339 {
340 /*
341 * KingByte Pen Drives
342 */
343 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
62ade751 344 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 345 },
34096067
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346 {
347 /*
348 * iRiver iFP MP3 player (with UMS Firmware)
349 * PR: kern/54881, i386/63941, kern/66124
350 */
351 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
352 /*quirks*/ DA_Q_NO_SYNC_CACHE
353 },
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354 {
355 /*
356 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
357 * PR: kern/70158
358 */
359 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "NexIA+*", "*"},
360 /*quirks*/ DA_Q_NO_SYNC_CACHE
361 },
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362 {
363 /*
364 * FujiFilm Camera
365 */
366 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
367 "USB-DRIVEUNIT", "*"},
62ade751 368 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 369 },
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370 {
371 /*
372 * Minolta Dimage E203
373 */
374 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
62ade751 375 /*quirks*/ DA_Q_NO_SYNC_CACHE
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376 },
377 {
378 /*
379 * Apacer HandyDrive
380 * PR: kern/43627
381 */
382 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
62ade751 383 /*quirks*/ DA_Q_NO_SYNC_CACHE
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384 },
385 {
386 /*
387 * Daisy Technology PhotoClip on Zoran chip
388 * PR: kern/43580
389 */
390 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
62ade751 391 /*quirks*/ DA_Q_NO_SYNC_CACHE
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392 },
393 {
394 /*
395 * Sony USB Key-Storage
396 * PR: kern/46386
397 */
398 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
62ade751 399 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 400 },
62ade751 401#endif /* DA_OLD_QUIRKS */
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402 {
403 /*
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404 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
405 * PR: kern/51675
984263bc 406 */
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407 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
408 /*quirks*/ DA_Q_NO_SYNC_CACHE
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409 },
410 {
411 /*
62ade751
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412 * Jungsoft NEXDISK USB flash key
413 * PR: kern/54737
984263bc 414 */
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415 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
416 /*quirks*/ DA_Q_NO_SYNC_CACHE
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417 },
418 {
419 /*
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420 * Creative Nomad MUVO mp3 player (USB)
421 * PR: kern/53094
984263bc 422 */
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423 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
424 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
984263bc 425 },
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426};
427
428static d_open_t daopen;
429static d_close_t daclose;
430static d_strategy_t dastrategy;
431static d_ioctl_t daioctl;
432static d_dump_t dadump;
433static periph_init_t dainit;
434static void daasync(void *callback_arg, u_int32_t code,
435 struct cam_path *path, void *arg);
62ade751 436static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
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437static periph_ctor_t daregister;
438static periph_dtor_t dacleanup;
439static periph_start_t dastart;
440static periph_oninv_t daoninvalidate;
441static void dadone(struct cam_periph *periph,
442 union ccb *done_ccb);
443static int daerror(union ccb *ccb, u_int32_t cam_flags,
444 u_int32_t sense_flags);
445static void daprevent(struct cam_periph *periph, int action);
446static void dasetgeom(struct cam_periph *periph,
447 struct scsi_read_capacity_data * rdcap);
448static timeout_t dasendorderedtag;
449static void dashutdown(void *arg, int howto);
450
451#ifndef DA_DEFAULT_TIMEOUT
452#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
453#endif
454
455#ifndef DA_DEFAULT_RETRY
456#define DA_DEFAULT_RETRY 4
457#endif
458
459static int da_retry_count = DA_DEFAULT_RETRY;
460static int da_default_timeout = DA_DEFAULT_TIMEOUT;
3690a379 461static struct callout dasendorderedtag_ch;
984263bc 462
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463SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
464 "CAM Direct Access Disk driver");
465SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
466 &da_retry_count, 0, "Normal I/O retry count");
62ade751 467TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
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468SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
469 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
62ade751 470TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
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471
472/*
473 * DA_ORDEREDTAG_INTERVAL determines how often, relative
474 * to the default timeout, we check to see whether an ordered
475 * tagged transaction is appropriate to prevent simple tag
476 * starvation. Since we'd like to ensure that there is at least
477 * 1/2 of the timeout length left for a starved transaction to
478 * complete after we've sent an ordered tag, we must poll at least
479 * four times in every timeout period. This takes care of the worst
480 * case where a starved transaction starts during an interval that
481 * meets the requirement "don't send an ordered tag" test so it takes
482 * us two intervals to determine that a tag must be sent.
483 */
484#ifndef DA_ORDEREDTAG_INTERVAL
485#define DA_ORDEREDTAG_INTERVAL 4
486#endif
487
488static struct periph_driver dadriver =
489{
490 dainit, "da",
491 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
492};
493
494DATA_SET(periphdriver_set, dadriver);
495
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496/* For 2.2-stable support */
497#ifndef D_DISK
498#define D_DISK 0
499#endif
500
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501static struct dev_ops da_ops = {
502 { "da", DA_CDEV_MAJOR, D_DISK },
503 .d_open = daopen,
504 .d_close = daclose,
505 .d_read = physread,
506 .d_write = physwrite,
507 .d_ioctl = daioctl,
508 .d_strategy = dastrategy,
509 .d_dump = dadump
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510};
511
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512static SLIST_HEAD(,da_softc) softc_list;
513static struct extend_array *daperiphs;
514
515static int
fef8985e 516daopen(struct dev_open_args *ap)
984263bc 517{
b13267a5 518 cdev_t dev = ap->a_head.a_dev;
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519 struct cam_periph *periph;
520 struct da_softc *softc;
521 struct disklabel *label;
522 int unit;
523 int part;
524 int error;
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525
526 unit = dkunit(dev);
527 part = dkpart(dev);
528 periph = cam_extend_get(daperiphs, unit);
529 if (periph == NULL)
530 return (ENXIO);
531
532 softc = (struct da_softc *)periph->softc;
533
534 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
535 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
536 unit, part));
537
377d4740 538 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
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539 return (error); /* error code from tsleep */
540 }
541
542 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
543 return(ENXIO);
544 softc->flags |= DA_FLAG_OPEN;
545
4e01b467 546 crit_enter();
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547 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
548 /* Invalidate our pack information. */
549 disk_invalidate(&softc->disk);
550 softc->flags &= ~DA_FLAG_PACK_INVALID;
551 }
4e01b467 552 crit_exit();
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553
554 /* Do a read capacity */
555 {
556 struct scsi_read_capacity_data *rcap;
557 union ccb *ccb;
558
efda3bd0 559 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
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560
561 ccb = cam_periph_getccb(periph, /*priority*/1);
562 scsi_read_capacity(&ccb->csio,
563 /*retries*/1,
564 /*cbfncp*/dadone,
565 MSG_SIMPLE_Q_TAG,
566 rcap,
567 SSD_FULL_SIZE,
568 /*timeout*/60000);
81b5c339 569 ccb->ccb_h.ccb_bio = NULL;
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570
571 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
572 /*sense_flags*/SF_RETRY_UA |
573 SF_RETRY_SELTO,
574 &softc->device_stats);
575
576 xpt_release_ccb(ccb);
577
578 if (error == 0) {
579 dasetgeom(periph, rcap);
580 }
581
efda3bd0 582 kfree(rcap, M_TEMP);
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583 }
584
585 if (error == 0) {
586 struct ccb_getdev cgd;
587
588 /* Build label for whole disk. */
589 label = &softc->disk.d_label;
590 bzero(label, sizeof(*label));
591 label->d_type = DTYPE_SCSI;
592
593 /*
594 * Grab the inquiry data to get the vendor and product names.
595 * Put them in the typename and packname for the label.
596 */
597 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
598 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
599 xpt_action((union ccb *)&cgd);
600
601 strncpy(label->d_typename, cgd.inq_data.vendor,
602 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
603 strncpy(label->d_packname, cgd.inq_data.product,
604 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
605
606 label->d_secsize = softc->params.secsize;
607 label->d_nsectors = softc->params.secs_per_track;
608 label->d_ntracks = softc->params.heads;
609 label->d_ncylinders = softc->params.cylinders;
610 label->d_secpercyl = softc->params.heads
611 * softc->params.secs_per_track;
612 label->d_secperunit = softc->params.sectors;
613
62ade751
MD
614 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
615 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 616 daprevent(periph, PR_PREVENT);
984263bc
MD
617
618 /*
619 * Check to see whether or not the blocksize is set yet.
620 * If it isn't, set it and then clear the blocksize
621 * unavailable flag for the device statistics.
622 */
623 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
624 softc->device_stats.block_size = softc->params.secsize;
625 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
626 }
627 }
628
629 if (error != 0) {
62ade751
MD
630 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
631 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 632 daprevent(periph, PR_ALLOW);
984263bc
MD
633 softc->flags &= ~DA_FLAG_OPEN;
634 cam_periph_release(periph);
635 }
636 cam_periph_unlock(periph);
637 return (error);
638}
639
640static int
fef8985e 641daclose(struct dev_close_args *ap)
984263bc 642{
b13267a5 643 cdev_t dev = ap->a_head.a_dev;
984263bc
MD
644 struct cam_periph *periph;
645 struct da_softc *softc;
646 int unit;
647 int error;
648
649 unit = dkunit(dev);
650 periph = cam_extend_get(daperiphs, unit);
651 if (periph == NULL)
652 return (ENXIO);
653
654 softc = (struct da_softc *)periph->softc;
655
377d4740 656 if ((error = cam_periph_lock(periph, 0)) != 0) {
984263bc
MD
657 return (error); /* error code from tsleep */
658 }
659
660 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
661 union ccb *ccb;
662
663 ccb = cam_periph_getccb(periph, /*priority*/1);
664
665 scsi_synchronize_cache(&ccb->csio,
666 /*retries*/1,
667 /*cbfcnp*/dadone,
668 MSG_SIMPLE_Q_TAG,
669 /*begin_lba*/0,/* Cover the whole disk */
670 /*lb_count*/0,
671 SSD_FULL_SIZE,
672 5 * 60 * 1000);
673
674 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
675 /*sense_flags*/SF_RETRY_UA,
676 &softc->device_stats);
677
678 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
679 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
680 CAM_SCSI_STATUS_ERROR) {
681 int asc, ascq;
682 int sense_key, error_code;
683
684 scsi_extract_sense(&ccb->csio.sense_data,
685 &error_code,
686 &sense_key,
687 &asc, &ascq);
688 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
689 scsi_sense_print(&ccb->csio);
690 } else {
691 xpt_print_path(periph->path);
692 printf("Synchronize cache failed, status "
693 "== 0x%x, scsi status == 0x%x\n",
694 ccb->csio.ccb_h.status,
695 ccb->csio.scsi_status);
696 }
697 }
698
699 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
700 cam_release_devq(ccb->ccb_h.path,
701 /*relsim_flags*/0,
702 /*reduction*/0,
703 /*timeout*/0,
704 /*getcount_only*/0);
705
706 xpt_release_ccb(ccb);
707
708 }
709
710 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
62ade751
MD
711 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
712 daprevent(periph, PR_ALLOW);
984263bc
MD
713 /*
714 * If we've got removeable media, mark the blocksize as
715 * unavailable, since it could change when new media is
716 * inserted.
717 */
718 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
719 }
720
721 softc->flags &= ~DA_FLAG_OPEN;
722 cam_periph_unlock(periph);
723 cam_periph_release(periph);
724 return (0);
725}
726
727/*
728 * Actually translate the requested transfer into one the physical driver
729 * can understand. The transfer is described by a buf and will include
730 * only one physical transfer.
731 */
fef8985e
MD
732static int
733dastrategy(struct dev_strategy_args *ap)
984263bc 734{
b13267a5 735 cdev_t dev = ap->a_head.a_dev;
fef8985e 736 struct bio *bio = ap->a_bio;
81b5c339 737 struct buf *bp = bio->bio_buf;
984263bc
MD
738 struct cam_periph *periph;
739 struct da_softc *softc;
740 u_int unit;
741 u_int part;
984263bc 742
81b5c339
MD
743 unit = dkunit(dev);
744 part = dkpart(dev);
984263bc
MD
745 periph = cam_extend_get(daperiphs, unit);
746 if (periph == NULL) {
747 bp->b_error = ENXIO;
748 goto bad;
749 }
750 softc = (struct da_softc *)periph->softc;
751#if 0
752 /*
753 * check it's not too big a transfer for our adapter
754 */
81b5c339 755 scsi_minphys(bp, &sd_switch);
984263bc
MD
756#endif
757
758 /*
759 * Mask interrupts so that the pack cannot be invalidated until
760 * after we are in the queue. Otherwise, we might not properly
761 * clean up one of the buffers.
762 */
4e01b467 763 crit_enter();
984263bc
MD
764
765 /*
766 * If the device has been made invalid, error out
767 */
768 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
4e01b467 769 crit_exit();
984263bc
MD
770 bp->b_error = ENXIO;
771 goto bad;
772 }
773
774 /*
775 * Place it in the queue of disk activities for this disk
776 */
81b5c339 777 bioqdisksort(&softc->bio_queue, bio);
984263bc 778
4e01b467 779 crit_exit();
984263bc
MD
780
781 /*
782 * Schedule ourselves for performing the work.
783 */
784 xpt_schedule(periph, /* XXX priority */1);
785
fef8985e 786 return(0);
984263bc
MD
787bad:
788 bp->b_flags |= B_ERROR;
789
790 /*
791 * Correctly set the buf to indicate a completed xfer
792 */
793 bp->b_resid = bp->b_bcount;
81b5c339 794 biodone(bio);
fef8985e 795 return(0);
984263bc
MD
796}
797
798/* For 2.2-stable support */
799#ifndef ENOIOCTL
800#define ENOIOCTL -1
801#endif
802
803static int
fef8985e 804daioctl(struct dev_ioctl_args *ap)
984263bc 805{
b13267a5 806 cdev_t dev = ap->a_head.a_dev;
984263bc
MD
807 struct cam_periph *periph;
808 struct da_softc *softc;
809 int unit;
810 int error;
811
812 unit = dkunit(dev);
813 periph = cam_extend_get(daperiphs, unit);
814 if (periph == NULL)
815 return (ENXIO);
816
817 softc = (struct da_softc *)periph->softc;
818
819 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n"));
820
377d4740 821 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
984263bc
MD
822 return (error); /* error code from tsleep */
823 }
824
fef8985e 825 error = cam_periph_ioctl(periph, ap->a_cmd, ap->a_data, daerror);
984263bc
MD
826
827 cam_periph_unlock(periph);
828
829 return (error);
830}
831
832static int
fef8985e 833dadump(struct dev_dump_args *ap)
984263bc 834{
b13267a5 835 cdev_t dev = ap->a_head.a_dev;
984263bc
MD
836 struct cam_periph *periph;
837 struct da_softc *softc;
838 u_int unit;
984263bc 839 long blkcnt;
62ade751 840 vm_paddr_t addr;
984263bc
MD
841 struct ccb_scsiio csio;
842 int dumppages = MAXDUMPPGS;
984263bc
MD
843 int i;
844
845 /* toss any characters present prior to dump */
846 while (cncheckc() != -1)
847 ;
848
849 unit = dkunit(dev);
984263bc
MD
850 periph = cam_extend_get(daperiphs, unit);
851 if (periph == NULL) {
852 return (ENXIO);
853 }
854 softc = (struct da_softc *)periph->softc;
855
856 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
857 return (ENXIO);
858
984263bc 859 addr = 0; /* starting address */
fef8985e 860 blkcnt = howmany(PAGE_SIZE, ap->a_secsize);
984263bc 861
fef8985e 862 while (ap->a_count > 0) {
984263bc
MD
863 caddr_t va = NULL;
864
fef8985e
MD
865 if ((ap->a_count / blkcnt) < dumppages)
866 dumppages = ap->a_count / blkcnt;
984263bc
MD
867
868 for (i = 0; i < dumppages; ++i) {
62ade751 869 vm_paddr_t a = addr + (i * PAGE_SIZE);
984263bc
MD
870 if (is_physical_memory(a))
871 va = pmap_kenter_temporary(trunc_page(a), i);
872 else
873 va = pmap_kenter_temporary(trunc_page(0), i);
874 }
875
876 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
877 csio.ccb_h.ccb_state = DA_CCB_DUMP;
878 scsi_read_write(&csio,
879 /*retries*/1,
880 dadone,
881 MSG_ORDERED_Q_TAG,
882 /*read*/FALSE,
883 /*byte2*/0,
884 /*minimum_cmd_size*/ softc->minimum_cmd_size,
fef8985e 885 ap->a_blkno,
984263bc
MD
886 blkcnt * dumppages,
887 /*data_ptr*/(u_int8_t *) va,
fef8985e 888 /*dxfer_len*/blkcnt * ap->a_secsize * dumppages,
984263bc
MD
889 /*sense_len*/SSD_FULL_SIZE,
890 DA_DEFAULT_TIMEOUT * 1000);
891 xpt_polled_action((union ccb *)&csio);
892
893 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
894 printf("Aborting dump due to I/O error.\n");
895 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
896 CAM_SCSI_STATUS_ERROR)
897 scsi_sense_print(&csio);
898 else
899 printf("status == 0x%x, scsi status == 0x%x\n",
900 csio.ccb_h.status, csio.scsi_status);
901 return(EIO);
902 }
903
fef8985e 904 if (dumpstatus(addr, (off_t)ap->a_count * softc->params.secsize) < 0)
984263bc
MD
905 return (EINTR);
906
907 /* update block count */
fef8985e
MD
908 ap->a_count -= blkcnt * dumppages;
909 ap->a_blkno += blkcnt * dumppages;
984263bc
MD
910 addr += PAGE_SIZE * dumppages;
911 }
912
913 /*
914 * Sync the disk cache contents to the physical media.
915 */
916 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
917
918 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
919 csio.ccb_h.ccb_state = DA_CCB_DUMP;
920 scsi_synchronize_cache(&csio,
921 /*retries*/1,
922 /*cbfcnp*/dadone,
923 MSG_SIMPLE_Q_TAG,
924 /*begin_lba*/0,/* Cover the whole disk */
925 /*lb_count*/0,
926 SSD_FULL_SIZE,
927 5 * 60 * 1000);
928 xpt_polled_action((union ccb *)&csio);
929
930 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
931 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
932 CAM_SCSI_STATUS_ERROR) {
933 int asc, ascq;
934 int sense_key, error_code;
935
936 scsi_extract_sense(&csio.sense_data,
937 &error_code,
938 &sense_key,
939 &asc, &ascq);
940 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
941 scsi_sense_print(&csio);
942 } else {
943 xpt_print_path(periph->path);
944 printf("Synchronize cache failed, status "
945 "== 0x%x, scsi status == 0x%x\n",
946 csio.ccb_h.status, csio.scsi_status);
947 }
948 }
949 }
950 return (0);
951}
952
953static void
954dainit(void)
955{
956 cam_status status;
957 struct cam_path *path;
958
959 /*
960 * Create our extend array for storing the devices we attach to.
961 */
962 daperiphs = cam_extend_new();
963 SLIST_INIT(&softc_list);
964 if (daperiphs == NULL) {
965 printf("da: Failed to alloc extend array!\n");
966 return;
967 }
3690a379
JS
968
969 callout_init(&dasendorderedtag_ch);
970
984263bc
MD
971 /*
972 * Install a global async callback. This callback will
973 * receive async callbacks like "new device found".
974 */
975 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
976 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
977
978 if (status == CAM_REQ_CMP) {
979 struct ccb_setasync csa;
980
981 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
982 csa.ccb_h.func_code = XPT_SASYNC_CB;
983 csa.event_enable = AC_FOUND_DEVICE;
984 csa.callback = daasync;
985 csa.callback_arg = NULL;
986 xpt_action((union ccb *)&csa);
987 status = csa.ccb_h.status;
988 xpt_free_path(path);
989 }
990
991 if (status != CAM_REQ_CMP) {
992 printf("da: Failed to attach master async callback "
993 "due to status 0x%x!\n", status);
994 } else {
995
996 /*
997 * Schedule a periodic event to occasionally send an
998 * ordered tag to a device.
999 */
3690a379
JS
1000 callout_reset(&dasendorderedtag_ch,
1001 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL,
1002 dasendorderedtag, NULL);
984263bc
MD
1003
1004 /* Register our shutdown event handler */
1005 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1006 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1007 printf("dainit: shutdown event registration failed!\n");
1008 }
1009}
1010
1011static void
1012daoninvalidate(struct cam_periph *periph)
1013{
984263bc 1014 struct da_softc *softc;
81b5c339 1015 struct bio *q_bio;
984263bc
MD
1016 struct buf *q_bp;
1017 struct ccb_setasync csa;
1018
1019 softc = (struct da_softc *)periph->softc;
1020
1021 /*
1022 * De-register any async callbacks.
1023 */
1024 xpt_setup_ccb(&csa.ccb_h, periph->path,
1025 /* priority */ 5);
1026 csa.ccb_h.func_code = XPT_SASYNC_CB;
1027 csa.event_enable = 0;
1028 csa.callback = daasync;
1029 csa.callback_arg = periph;
1030 xpt_action((union ccb *)&csa);
1031
1032 softc->flags |= DA_FLAG_PACK_INVALID;
1033
1034 /*
4e01b467
MD
1035 * Use a critical section to keep the buffer queue from being
1036 * modified while we traverse it.
984263bc 1037 */
4e01b467 1038 crit_enter();
984263bc
MD
1039
1040 /*
1041 * Return all queued I/O with ENXIO.
1042 * XXX Handle any transactions queued to the card
1043 * with XPT_ABORT_CCB.
1044 */
81b5c339
MD
1045 while ((q_bio = bioq_first(&softc->bio_queue)) != NULL){
1046 bioq_remove(&softc->bio_queue, q_bio);
1047 q_bp = q_bio->bio_buf;
984263bc
MD
1048 q_bp->b_resid = q_bp->b_bcount;
1049 q_bp->b_error = ENXIO;
1050 q_bp->b_flags |= B_ERROR;
81b5c339 1051 biodone(q_bio);
984263bc 1052 }
4e01b467 1053 crit_exit();
984263bc
MD
1054
1055 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1056
1057 xpt_print_path(periph->path);
1058 printf("lost device\n");
1059}
1060
1061static void
1062dacleanup(struct cam_periph *periph)
1063{
1064 struct da_softc *softc;
1065
1066 softc = (struct da_softc *)periph->softc;
1067
1068 devstat_remove_entry(&softc->device_stats);
1069 cam_extend_release(daperiphs, periph->unit_number);
1070 xpt_print_path(periph->path);
1071 printf("removing device entry\n");
62ade751
MD
1072 /*
1073 * If we can't free the sysctl tree, oh well...
1074 */
1075 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1076 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1077 xpt_print_path(periph->path);
1078 printf("can't remove sysctl context\n");
1079 }
e4c9c0c8 1080 if (softc->disk.d_rawdev) {
335dda38 1081 disk_destroy(&softc->disk);
984263bc 1082 }
efda3bd0 1083 kfree(softc, M_DEVBUF);
984263bc
MD
1084}
1085
1086static void
1087daasync(void *callback_arg, u_int32_t code,
1088 struct cam_path *path, void *arg)
1089{
1090 struct cam_periph *periph;
1091
1092 periph = (struct cam_periph *)callback_arg;
1093 switch (code) {
1094 case AC_FOUND_DEVICE:
1095 {
1096 struct ccb_getdev *cgd;
1097 cam_status status;
1098
1099 cgd = (struct ccb_getdev *)arg;
1100
1101 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1102 && SID_TYPE(&cgd->inq_data) != T_RBC
1103 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1104 break;
1105
1106 /*
1107 * Allocate a peripheral instance for
1108 * this device and start the probe
1109 * process.
1110 */
1111 status = cam_periph_alloc(daregister, daoninvalidate,
1112 dacleanup, dastart,
1113 "da", CAM_PERIPH_BIO,
1114 cgd->ccb_h.path, daasync,
1115 AC_FOUND_DEVICE, cgd);
1116
1117 if (status != CAM_REQ_CMP
1118 && status != CAM_REQ_INPROG)
1119 printf("daasync: Unable to attach to new device "
1120 "due to status 0x%x\n", status);
1121 break;
1122 }
1123 case AC_SENT_BDR:
1124 case AC_BUS_RESET:
1125 {
1126 struct da_softc *softc;
1127 struct ccb_hdr *ccbh;
984263bc
MD
1128
1129 softc = (struct da_softc *)periph->softc;
4e01b467 1130 crit_enter();
984263bc
MD
1131 /*
1132 * Don't fail on the expected unit attention
1133 * that will occur.
1134 */
1135 softc->flags |= DA_FLAG_RETRY_UA;
1136 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1137 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1138 ccbh->ccb_state |= DA_CCB_RETRY_UA;
4e01b467 1139 crit_exit();
984263bc
MD
1140 /* FALLTHROUGH*/
1141 }
1142 default:
1143 cam_periph_async(periph, code, path, arg);
1144 break;
1145 }
1146}
1147
62ade751
MD
1148static void
1149dasysctlinit(void *context, int pending)
1150{
1151 struct cam_periph *periph;
1152 struct da_softc *softc;
1153 char tmpstr[80], tmpstr2[80];
1154
1155 periph = (struct cam_periph *)context;
1156 softc = (struct da_softc *)periph->softc;
1157
1158 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1159 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1160
1161 sysctl_ctx_init(&softc->sysctl_ctx);
1162 softc->flags |= DA_FLAG_SCTX_INIT;
1163 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1164 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1165 CTLFLAG_RD, 0, tmpstr);
1166 if (softc->sysctl_tree == NULL) {
1167 printf("dasysctlinit: unable to allocate sysctl tree\n");
1168 return;
1169 }
1170
1171 /*
1172 * Now register the sysctl handler, so the user can the value on
1173 * the fly.
1174 */
1175 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1176 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1177 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1178 "Minimum CDB size");
1179}
1180
1181static int
1182dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1183{
1184 int error, value;
1185
1186 value = *(int *)arg1;
1187
1188 error = sysctl_handle_int(oidp, &value, 0, req);
1189
1190 if ((error != 0)
1191 || (req->newptr == NULL))
1192 return (error);
1193
1194 /*
1195 * Acceptable values here are 6, 10 or 12. It's possible we may
1196 * support a 16 byte minimum command size in the future, since
1197 * there are now READ(16) and WRITE(16) commands defined in the
1198 * SBC-2 spec.
1199 */
1200 if (value < 6)
1201 value = 6;
1202 else if ((value > 6)
1203 && (value <= 10))
1204 value = 10;
1205 else if (value > 10)
1206 value = 12;
1207
1208 *(int *)arg1 = value;
1209
1210 return (0);
1211}
1212
984263bc
MD
1213static cam_status
1214daregister(struct cam_periph *periph, void *arg)
1215{
984263bc
MD
1216 struct da_softc *softc;
1217 struct ccb_setasync csa;
62ade751 1218 struct ccb_pathinq cpi;
984263bc 1219 struct ccb_getdev *cgd;
62ade751 1220 char tmpstr[80];
984263bc
MD
1221 caddr_t match;
1222
1223 cgd = (struct ccb_getdev *)arg;
1224 if (periph == NULL) {
1225 printf("daregister: periph was NULL!!\n");
1226 return(CAM_REQ_CMP_ERR);
1227 }
1228
1229 if (cgd == NULL) {
1230 printf("daregister: no getdev CCB, can't register device\n");
1231 return(CAM_REQ_CMP_ERR);
1232 }
1233
efda3bd0 1234 softc = kmalloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
984263bc
MD
1235 LIST_INIT(&softc->pending_ccbs);
1236 softc->state = DA_STATE_PROBE;
81b5c339 1237 bioq_init(&softc->bio_queue);
984263bc
MD
1238 if (SID_IS_REMOVABLE(&cgd->inq_data))
1239 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1240 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1241 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1242
1243 periph->softc = softc;
1244
1245 cam_extend_set(daperiphs, periph->unit_number, periph);
1246
1247 /*
1248 * See if this device has any quirks.
1249 */
1250 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1251 (caddr_t)da_quirk_table,
1252 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1253 sizeof(*da_quirk_table), scsi_inquiry_match);
1254
1255 if (match != NULL)
1256 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1257 else
1258 softc->quirks = DA_Q_NONE;
1259
62ade751
MD
1260 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1261
1262 /* Check if the SIM does not want 6 byte commands */
1263 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
1264 cpi.ccb_h.func_code = XPT_PATH_INQ;
1265 xpt_action((union ccb *)&cpi);
1266 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1267 softc->quirks |= DA_Q_NO_6_BYTE;
1268
1269 /*
1270 * RBC devices don't have to support READ(6), only READ(10).
1271 */
984263bc
MD
1272 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1273 softc->minimum_cmd_size = 10;
1274 else
1275 softc->minimum_cmd_size = 6;
1276
62ade751
MD
1277 /*
1278 * Load the user's default, if any.
1279 */
1280 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1281 periph->unit_number);
1282 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1283
1284 /*
1285 * 6, 10 and 12 are the currently permissible values.
1286 */
1287 if (softc->minimum_cmd_size < 6)
1288 softc->minimum_cmd_size = 6;
1289 else if ((softc->minimum_cmd_size > 6)
1290 && (softc->minimum_cmd_size <= 10))
1291 softc->minimum_cmd_size = 10;
1292 else if (softc->minimum_cmd_size > 12)
1293 softc->minimum_cmd_size = 12;
1294
984263bc
MD
1295 /*
1296 * Block our timeout handler while we
1297 * add this softc to the dev list.
1298 */
4e01b467 1299 crit_enter();
984263bc 1300 SLIST_INSERT_HEAD(&softc_list, softc, links);
4e01b467 1301 crit_exit();
984263bc
MD
1302
1303 /*
1304 * The DA driver supports a blocksize, but
1305 * we don't know the blocksize until we do
1306 * a read capacity. So, set a flag to
1307 * indicate that the blocksize is
1308 * unavailable right now. We'll clear the
1309 * flag as soon as we've done a read capacity.
1310 */
1311 devstat_add_entry(&softc->device_stats, "da",
1312 periph->unit_number, 0,
1313 DEVSTAT_BS_UNAVAILABLE,
1314 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1315 DEVSTAT_PRIORITY_DISK);
1316
1317 /*
1318 * Register this media as a disk
1319 */
fef8985e 1320 disk_create(periph->unit_number, &softc->disk, 0, &da_ops);
984263bc
MD
1321
1322 /*
1323 * Add async callbacks for bus reset and
1324 * bus device reset calls. I don't bother
1325 * checking if this fails as, in most cases,
1326 * the system will function just fine without
1327 * them and the only alternative would be to
1328 * not attach the device on failure.
1329 */
1330 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1331 csa.ccb_h.func_code = XPT_SASYNC_CB;
1332 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1333 csa.callback = daasync;
1334 csa.callback_arg = periph;
1335 xpt_action((union ccb *)&csa);
1336 /*
1337 * Lock this peripheral until we are setup.
1338 * This first call can't block
1339 */
0e224b5d 1340 cam_periph_lock(periph, 0);
984263bc
MD
1341 xpt_schedule(periph, /*priority*/5);
1342
1343 return(CAM_REQ_CMP);
1344}
1345
1346static void
1347dastart(struct cam_periph *periph, union ccb *start_ccb)
1348{
1349 struct da_softc *softc;
1350
1351 softc = (struct da_softc *)periph->softc;
1352
1353
1354 switch (softc->state) {
1355 case DA_STATE_NORMAL:
1356 {
1357 /* Pull a buffer from the queue and get going on it */
81b5c339 1358 struct bio *bio;
984263bc 1359 struct buf *bp;
984263bc
MD
1360
1361 /*
1362 * See if there is a buf with work for us to do..
1363 */
4e01b467 1364 crit_enter();
81b5c339 1365 bio = bioq_first(&softc->bio_queue);
984263bc
MD
1366 if (periph->immediate_priority <= periph->pinfo.priority) {
1367 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1368 ("queuing for immediate ccb\n"));
1369 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1370 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1371 periph_links.sle);
1372 periph->immediate_priority = CAM_PRIORITY_NONE;
4e01b467 1373 crit_exit();
984263bc 1374 wakeup(&periph->ccb_list);
81b5c339 1375 } else if (bio == NULL) {
4e01b467 1376 crit_exit();
984263bc
MD
1377 xpt_release_ccb(start_ccb);
1378 } else {
984263bc
MD
1379 u_int8_t tag_code;
1380
81b5c339
MD
1381 bioq_remove(&softc->bio_queue, bio);
1382 bp = bio->bio_buf;
984263bc
MD
1383
1384 devstat_start_transaction(&softc->device_stats);
1385
1386 if ((bp->b_flags & B_ORDERED) != 0
1387 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1388 softc->flags &= ~DA_FLAG_NEED_OTAG;
1389 softc->ordered_tag_count++;
1390 tag_code = MSG_ORDERED_Q_TAG;
1391 } else {
1392 tag_code = MSG_SIMPLE_Q_TAG;
1393 }
54078292
MD
1394
1395 KKASSERT(bio->bio_offset % softc->params.secsize == 0);
1396
984263bc
MD
1397 scsi_read_write(&start_ccb->csio,
1398 /*retries*/da_retry_count,
1399 dadone,
1400 tag_code,
10f3fee5 1401 (bp->b_cmd == BUF_CMD_READ),
984263bc
MD
1402 /*byte2*/0,
1403 softc->minimum_cmd_size,
54078292 1404 bio->bio_offset / softc->params.secsize,
984263bc
MD
1405 bp->b_bcount / softc->params.secsize,
1406 bp->b_data,
1407 bp->b_bcount,
1408 /*sense_len*/SSD_FULL_SIZE,
1409 da_default_timeout * 1000);
1410 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1411
1412 /*
1413 * Block out any asyncronous callbacks
1414 * while we touch the pending ccb list.
1415 */
984263bc
MD
1416 LIST_INSERT_HEAD(&softc->pending_ccbs,
1417 &start_ccb->ccb_h, periph_links.le);
984263bc
MD
1418
1419 /* We expect a unit attention from this device */
1420 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1421 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1422 softc->flags &= ~DA_FLAG_RETRY_UA;
1423 }
1424
81b5c339
MD
1425 start_ccb->ccb_h.ccb_bio = bio;
1426 bio = bioq_first(&softc->bio_queue);
4e01b467 1427 crit_exit();
984263bc
MD
1428
1429 xpt_action(start_ccb);
1430 }
1431
81b5c339 1432 if (bio != NULL) {
984263bc
MD
1433 /* Have more work to do, so ensure we stay scheduled */
1434 xpt_schedule(periph, /* XXX priority */1);
1435 }
1436 break;
1437 }
1438 case DA_STATE_PROBE:
1439 {
1440 struct ccb_scsiio *csio;
1441 struct scsi_read_capacity_data *rcap;
1442
efda3bd0 1443 rcap = kmalloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
984263bc
MD
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);
81b5c339 1452 start_ccb->ccb_h.ccb_bio = NULL;
984263bc
MD
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;
81b5c339 1518 struct bio *bio;
984263bc 1519
81b5c339
MD
1520 bio = (struct bio *)done_ccb->ccb_h.ccb_bio;
1521 bp = bio->bio_buf;
984263bc
MD
1522 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1523 int error;
984263bc
MD
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) {
81b5c339 1542 struct bio *q_bio;
984263bc
MD
1543 struct buf *q_bp;
1544
4e01b467 1545 crit_enter();
984263bc
MD
1546
1547 if (error == ENXIO) {
1548 /*
1549 * Catastrophic error. Mark our pack as
1550 * invalid.
1551 */
1552 /* XXX See if this is really a media
1553 * change first.
1554 */
1555 xpt_print_path(periph->path);
1556 printf("Invalidating pack\n");
1557 softc->flags |= DA_FLAG_PACK_INVALID;
1558 }
1559
1560 /*
1561 * return all queued I/O with EIO, so that
1562 * the client can retry these I/Os in the
1563 * proper order should it attempt to recover.
1564 */
81b5c339 1565 while ((q_bio = bioq_first(&softc->bio_queue))
984263bc 1566 != NULL) {
81b5c339
MD
1567 bioq_remove(&softc->bio_queue, q_bio);
1568 q_bp = q_bio->bio_buf;
984263bc
MD
1569 q_bp->b_resid = q_bp->b_bcount;
1570 q_bp->b_error = EIO;
1571 q_bp->b_flags |= B_ERROR;
81b5c339 1572 biodone(q_bio);
984263bc 1573 }
4e01b467 1574 crit_exit();
984263bc
MD
1575 bp->b_error = error;
1576 bp->b_resid = bp->b_bcount;
1577 bp->b_flags |= B_ERROR;
1578 } else {
1579 bp->b_resid = csio->resid;
1580 bp->b_error = 0;
62ade751 1581 if (bp->b_resid != 0)
984263bc 1582 bp->b_flags |= B_ERROR;
984263bc
MD
1583 }
1584 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1585 cam_release_devq(done_ccb->ccb_h.path,
1586 /*relsim_flags*/0,
1587 /*reduction*/0,
1588 /*timeout*/0,
1589 /*getcount_only*/0);
1590 } else {
1591 bp->b_resid = csio->resid;
62ade751 1592 if (csio->resid > 0)
984263bc 1593 bp->b_flags |= B_ERROR;
984263bc
MD
1594 }
1595
1596 /*
1597 * Block out any asyncronous callbacks
1598 * while we touch the pending ccb list.
1599 */
4e01b467 1600 crit_enter();
984263bc 1601 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4e01b467 1602 crit_exit();
984263bc
MD
1603
1604 if (softc->device_stats.busy_count == 0)
1605 softc->flags |= DA_FLAG_WENT_IDLE;
1606
1607 devstat_end_transaction_buf(&softc->device_stats, bp);
81b5c339 1608 biodone(bio);
984263bc
MD
1609 break;
1610 }
1611 case DA_CCB_PROBE:
1612 {
1613 struct scsi_read_capacity_data *rdcap;
1614 char announce_buf[80];
1615
1616 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1617
1618 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1619 struct disk_params *dp;
1620
1621 dasetgeom(periph, rdcap);
1622 dp = &softc->params;
1623 snprintf(announce_buf, sizeof(announce_buf),
1624 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1625 (unsigned long) (((u_int64_t)dp->secsize *
1626 dp->sectors) / (1024*1024)), dp->sectors,
1627 dp->secsize, dp->heads, dp->secs_per_track,
1628 dp->cylinders);
1629 } else {
1630 int error;
1631
1632 announce_buf[0] = '\0';
1633
1634 /*
1635 * Retry any UNIT ATTENTION type errors. They
1636 * are expected at boot.
1637 */
1638 error = daerror(done_ccb, 0, SF_RETRY_UA |
1639 SF_RETRY_SELTO | SF_NO_PRINT);
1640 if (error == ERESTART) {
1641 /*
1642 * A retry was scheuled, so
1643 * just return.
1644 */
1645 return;
1646 } else if (error != 0) {
1647 struct scsi_sense_data *sense;
1648 int asc, ascq;
1649 int sense_key, error_code;
1650 int have_sense;
1651 cam_status status;
1652 struct ccb_getdev cgd;
1653
1654 /* Don't wedge this device's queue */
1655 cam_release_devq(done_ccb->ccb_h.path,
1656 /*relsim_flags*/0,
1657 /*reduction*/0,
1658 /*timeout*/0,
1659 /*getcount_only*/0);
1660
1661 status = done_ccb->ccb_h.status;
1662
1663 xpt_setup_ccb(&cgd.ccb_h,
1664 done_ccb->ccb_h.path,
1665 /* priority */ 1);
1666 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1667 xpt_action((union ccb *)&cgd);
1668
1669 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1670 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1671 || ((status & CAM_AUTOSNS_VALID) == 0))
1672 have_sense = FALSE;
1673 else
1674 have_sense = TRUE;
1675
1676 if (have_sense) {
1677 sense = &csio->sense_data;
1678 scsi_extract_sense(sense, &error_code,
1679 &sense_key,
1680 &asc, &ascq);
1681 }
1682 /*
1683 * Attach to anything that claims to be a
1684 * direct access or optical disk device,
1685 * as long as it doesn't return a "Logical
1686 * unit not supported" (0x25) error.
1687 */
1688 if ((have_sense) && (asc != 0x25)
1689 && (error_code == SSD_CURRENT_ERROR))
1690 snprintf(announce_buf,
1691 sizeof(announce_buf),
1692 "Attempt to query device "
1693 "size failed: %s, %s",
1694 scsi_sense_key_text[sense_key],
1695 scsi_sense_desc(asc,ascq,
1696 &cgd.inq_data));
1697 else {
1698 if (have_sense)
1699 scsi_sense_print(
1700 &done_ccb->csio);
1701 else {
1702 xpt_print_path(periph->path);
1703 printf("got CAM status %#x\n",
1704 done_ccb->ccb_h.status);
1705 }
1706
1707 xpt_print_path(periph->path);
1708 printf("fatal error, failed"
1709 " to attach to device\n");
1710
1711 /*
1712 * Free up resources.
1713 */
1714 cam_periph_invalidate(periph);
1715 }
1716 }
1717 }
efda3bd0 1718 kfree(rdcap, M_TEMP);
62ade751 1719 if (announce_buf[0] != '\0') {
984263bc 1720 xpt_announce_periph(periph, announce_buf);
62ade751
MD
1721 /*
1722 * Create our sysctl variables, now that we know
1723 * we have successfully attached.
1724 */
b3504e03
JH
1725 taskqueue_enqueue(taskqueue_thread[mycpuid],
1726 &softc->sysctl_task);
62ade751 1727 }
984263bc
MD
1728 softc->state = DA_STATE_NORMAL;
1729 /*
1730 * Since our peripheral may be invalidated by an error
1731 * above or an external event, we must release our CCB
1732 * before releasing the probe lock on the peripheral.
1733 * The peripheral will only go away once the last lock
1734 * is removed, and we need it around for the CCB release
1735 * operation.
1736 */
1737 xpt_release_ccb(done_ccb);
1738 cam_periph_unlock(periph);
1739 return;
1740 }
1741 case DA_CCB_WAITING:
1742 {
1743 /* Caller will release the CCB */
1744 wakeup(&done_ccb->ccb_h.cbfcnp);
1745 return;
1746 }
1747 case DA_CCB_DUMP:
1748 /* No-op. We're polling */
1749 return;
1750 default:
1751 break;
1752 }
1753 xpt_release_ccb(done_ccb);
1754}
1755
1756static int
1757daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1758{
1759 struct da_softc *softc;
1760 struct cam_periph *periph;
62ade751 1761 int error;
984263bc
MD
1762
1763 periph = xpt_path_periph(ccb->ccb_h.path);
1764 softc = (struct da_softc *)periph->softc;
1765
1766 /*
1767 * Automatically detect devices that do not support
1768 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1769 */
1770 error = 0;
62ade751
MD
1771 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1772 error = cmd6workaround(ccb);
1773 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1774 CAM_SCSI_STATUS_ERROR)
1775 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1776 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1777 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1778 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1779 int sense_key, error_code, asc, ascq;
1780
984263bc
MD
1781 scsi_extract_sense(&ccb->csio.sense_data,
1782 &error_code, &sense_key, &asc, &ascq);
1783 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1784 error = cmd6workaround(ccb);
1785 }
1786 if (error == ERESTART)
1787 return (ERESTART);
1788
1789 /*
1790 * XXX
1791 * Until we have a better way of doing pack validation,
1792 * don't treat UAs as errors.
1793 */
1794 sense_flags |= SF_RETRY_UA;
1795 return(cam_periph_error(ccb, cam_flags, sense_flags,
1796 &softc->saved_ccb));
1797}
1798
1799static void
1800daprevent(struct cam_periph *periph, int action)
1801{
1802 struct da_softc *softc;
1803 union ccb *ccb;
1804 int error;
1805
1806 softc = (struct da_softc *)periph->softc;
1807
1808 if (((action == PR_ALLOW)
1809 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1810 || ((action == PR_PREVENT)
1811 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1812 return;
1813 }
1814
1815 ccb = cam_periph_getccb(periph, /*priority*/1);
1816
1817 scsi_prevent(&ccb->csio,
1818 /*retries*/1,
1819 /*cbcfp*/dadone,
1820 MSG_SIMPLE_Q_TAG,
1821 action,
1822 SSD_FULL_SIZE,
1823 5000);
1824
1825 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1826 /*sense_flags*/0, &softc->device_stats);
1827
1828 if (error == 0) {
1829 if (action == PR_ALLOW)
1830 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1831 else
1832 softc->flags |= DA_FLAG_PACK_LOCKED;
1833 }
1834
1835 xpt_release_ccb(ccb);
1836}
1837
1838static void
1839dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1840{
1841 struct ccb_calc_geometry ccg;
1842 struct da_softc *softc;
1843 struct disk_params *dp;
1844
1845 softc = (struct da_softc *)periph->softc;
1846
1847 dp = &softc->params;
1848 dp->secsize = scsi_4btoul(rdcap->length);
1849 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1850 /*
1851 * Have the controller provide us with a geometry
1852 * for this disk. The only time the geometry
1853 * matters is when we boot and the controller
1854 * is the only one knowledgeable enough to come
1855 * up with something that will make this a bootable
1856 * device.
1857 */
1858 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1859 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1860 ccg.block_size = dp->secsize;
1861 ccg.volume_size = dp->sectors;
1862 ccg.heads = 0;
1863 ccg.secs_per_track = 0;
1864 ccg.cylinders = 0;
1865 xpt_action((union ccb*)&ccg);
1866 dp->heads = ccg.heads;
1867 dp->secs_per_track = ccg.secs_per_track;
1868 dp->cylinders = ccg.cylinders;
1869}
1870
1871static void
1872dasendorderedtag(void *arg)
1873{
1874 struct da_softc *softc;
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1875
1876 for (softc = SLIST_FIRST(&softc_list);
1877 softc != NULL;
1878 softc = SLIST_NEXT(softc, links)) {
4e01b467 1879 crit_enter();
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1880 if ((softc->ordered_tag_count == 0)
1881 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1882 softc->flags |= DA_FLAG_NEED_OTAG;
1883 }
1884 if (softc->device_stats.busy_count > 0)
1885 softc->flags &= ~DA_FLAG_WENT_IDLE;
1886
1887 softc->ordered_tag_count = 0;
4e01b467 1888 crit_exit();
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1889 }
1890 /* Queue us up again */
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1891 callout_reset(&dasendorderedtag_ch,
1892 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
1893 dasendorderedtag, NULL);
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1894}
1895
1896/*
1897 * Step through all DA peripheral drivers, and if the device is still open,
1898 * sync the disk cache to physical media.
1899 */
1900static void
1901dashutdown(void * arg, int howto)
1902{
1903 struct cam_periph *periph;
1904 struct da_softc *softc;
1905
1906 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1907 periph = TAILQ_NEXT(periph, unit_links)) {
1908 union ccb ccb;
1909 softc = (struct da_softc *)periph->softc;
1910
1911 /*
1912 * We only sync the cache if the drive is still open, and
1913 * if the drive is capable of it..
1914 */
1915 if (((softc->flags & DA_FLAG_OPEN) == 0)
1916 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1917 continue;
1918
1919 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1920
1921 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1922 scsi_synchronize_cache(&ccb.csio,
1923 /*retries*/1,
1924 /*cbfcnp*/dadone,
1925 MSG_SIMPLE_Q_TAG,
1926 /*begin_lba*/0, /* whole disk */
1927 /*lb_count*/0,
1928 SSD_FULL_SIZE,
1929 5 * 60 * 1000);
1930
1931 xpt_polled_action(&ccb);
1932
1933 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1934 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1935 CAM_SCSI_STATUS_ERROR)
1936 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1937 int error_code, sense_key, asc, ascq;
1938
1939 scsi_extract_sense(&ccb.csio.sense_data,
1940 &error_code, &sense_key,
1941 &asc, &ascq);
1942
1943 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1944 scsi_sense_print(&ccb.csio);
1945 } else {
1946 xpt_print_path(periph->path);
1947 printf("Synchronize cache failed, status "
1948 "== 0x%x, scsi status == 0x%x\n",
1949 ccb.ccb_h.status, ccb.csio.scsi_status);
1950 }
1951 }
1952
1953 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1954 cam_release_devq(ccb.ccb_h.path,
1955 /*relsim_flags*/0,
1956 /*reduction*/0,
1957 /*timeout*/0,
1958 /*getcount_only*/0);
1959
1960 }
1961}
1962
1963#else /* !_KERNEL */
1964
1965/*
1966 * XXX This is only left out of the kernel build to silence warnings. If,
1967 * for some reason this function is used in the kernel, the ifdefs should
1968 * be moved so it is included both in the kernel and userland.
1969 */
1970void
1971scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1972 void (*cbfcnp)(struct cam_periph *, union ccb *),
1973 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1974 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1975 u_int32_t timeout)
1976{
1977 struct scsi_format_unit *scsi_cmd;
1978
1979 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1980 scsi_cmd->opcode = FORMAT_UNIT;
1981 scsi_cmd->byte2 = byte2;
1982 scsi_ulto2b(ileave, scsi_cmd->interleave);
1983
1984 cam_fill_csio(csio,
1985 retries,
1986 cbfcnp,
1987 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1988 tag_action,
1989 data_ptr,
1990 dxfer_len,
1991 sense_len,
1992 sizeof(*scsi_cmd),
1993 timeout);
1994}
1995
1996#endif /* _KERNEL */