Be consistent for preventing redundant header inclusion.
[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 $
d9f3f6fa 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.21 2004/12/30 07:01:51 cpressey 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>
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57
58#include <machine/md_var.h>
59
05220613 60#ifdef _KERNEL
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61#include <vm/vm.h>
62#include <vm/pmap.h>
05220613 63#endif
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64
65#ifndef _KERNEL
66#include <stdio.h>
67#include <string.h>
68#endif /* _KERNEL */
69
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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"
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77
78#ifndef _KERNEL
1f2de5d4 79#include "scsi_da.h"
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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,
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97 DA_FLAG_OPEN = 0x100,
98 DA_FLAG_SCTX_INIT = 0x200
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99} da_flags;
100
101typedef enum {
102 DA_Q_NONE = 0x00,
103 DA_Q_NO_SYNC_CACHE = 0x01,
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104 DA_Q_NO_6_BYTE = 0x02,
105 DA_Q_NO_PREVENT = 0x04
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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;
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142 struct task sysctl_task;
143 struct sysctl_ctx_list sysctl_ctx;
144 struct sysctl_oid *sysctl_tree;
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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 */
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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. */
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235 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
236 /*quirks*/ DA_Q_NO_6_BYTE
237 },
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238 /* XXX USB floppy quirks temporarily enabled for 4.9R */
239 /* USB floppy devices supported by umass(4) */
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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
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249 },
250 {
251 /* Another USB floppy */
252 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
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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 },
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272#ifdef DA_OLD_QUIRKS
273 /* USB mass storage devices supported by umass(4) */
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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
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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
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290 },
291 {
292 /*
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293 * Intelligent Stick USB disk-on-key
294 * PR: kern/53005
984263bc 295 */
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296 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card",
297 "IntelligentStick*", "*"},
298 /*quirks*/ DA_Q_NO_SYNC_CACHE
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299 },
300 {
301 /*
62ade751 302 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
984263bc 303 */
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304 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
305 /*quirks*/ DA_Q_NO_SYNC_CACHE
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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
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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
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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
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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 335 },
34096067
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336 {
337 /*
338 * iRiver iFP MP3 player (with UMS Firmware)
339 * PR: kern/54881, i386/63941, kern/66124
340 */
341 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
342 /*quirks*/ DA_Q_NO_SYNC_CACHE
343 },
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344 {
345 /*
346 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
347 * PR: kern/70158
348 */
349 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "NexIA+*", "*"},
350 /*quirks*/ DA_Q_NO_SYNC_CACHE
351 },
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352 {
353 /*
354 * FujiFilm Camera
355 */
356 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
357 "USB-DRIVEUNIT", "*"},
62ade751 358 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 359 },
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360 {
361 /*
362 * Minolta Dimage E203
363 */
364 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
62ade751 365 /*quirks*/ DA_Q_NO_SYNC_CACHE
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366 },
367 {
368 /*
369 * Apacer HandyDrive
370 * PR: kern/43627
371 */
372 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
62ade751 373 /*quirks*/ DA_Q_NO_SYNC_CACHE
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374 },
375 {
376 /*
377 * Daisy Technology PhotoClip on Zoran chip
378 * PR: kern/43580
379 */
380 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
62ade751 381 /*quirks*/ DA_Q_NO_SYNC_CACHE
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382 },
383 {
384 /*
385 * Sony USB Key-Storage
386 * PR: kern/46386
387 */
388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
62ade751 389 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 390 },
62ade751 391#endif /* DA_OLD_QUIRKS */
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392 {
393 /*
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394 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
395 * PR: kern/51675
984263bc 396 */
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397 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
398 /*quirks*/ DA_Q_NO_SYNC_CACHE
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399 },
400 {
401 /*
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402 * Jungsoft NEXDISK USB flash key
403 * PR: kern/54737
984263bc 404 */
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405 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
406 /*quirks*/ DA_Q_NO_SYNC_CACHE
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407 },
408 {
409 /*
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410 * Creative Nomad MUVO mp3 player (USB)
411 * PR: kern/53094
984263bc 412 */
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413 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
414 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
984263bc 415 },
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416};
417
418static d_open_t daopen;
419static d_close_t daclose;
420static d_strategy_t dastrategy;
421static d_ioctl_t daioctl;
422static d_dump_t dadump;
423static periph_init_t dainit;
424static void daasync(void *callback_arg, u_int32_t code,
425 struct cam_path *path, void *arg);
62ade751 426static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
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427static periph_ctor_t daregister;
428static periph_dtor_t dacleanup;
429static periph_start_t dastart;
430static periph_oninv_t daoninvalidate;
431static void dadone(struct cam_periph *periph,
432 union ccb *done_ccb);
433static int daerror(union ccb *ccb, u_int32_t cam_flags,
434 u_int32_t sense_flags);
435static void daprevent(struct cam_periph *periph, int action);
436static void dasetgeom(struct cam_periph *periph,
437 struct scsi_read_capacity_data * rdcap);
438static timeout_t dasendorderedtag;
439static void dashutdown(void *arg, int howto);
440
441#ifndef DA_DEFAULT_TIMEOUT
442#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
443#endif
444
445#ifndef DA_DEFAULT_RETRY
446#define DA_DEFAULT_RETRY 4
447#endif
448
449static int da_retry_count = DA_DEFAULT_RETRY;
450static int da_default_timeout = DA_DEFAULT_TIMEOUT;
3690a379 451static struct callout dasendorderedtag_ch;
984263bc 452
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453SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
454 "CAM Direct Access Disk driver");
455SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
456 &da_retry_count, 0, "Normal I/O retry count");
62ade751 457TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
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458SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
459 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
62ade751 460TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
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461
462/*
463 * DA_ORDEREDTAG_INTERVAL determines how often, relative
464 * to the default timeout, we check to see whether an ordered
465 * tagged transaction is appropriate to prevent simple tag
466 * starvation. Since we'd like to ensure that there is at least
467 * 1/2 of the timeout length left for a starved transaction to
468 * complete after we've sent an ordered tag, we must poll at least
469 * four times in every timeout period. This takes care of the worst
470 * case where a starved transaction starts during an interval that
471 * meets the requirement "don't send an ordered tag" test so it takes
472 * us two intervals to determine that a tag must be sent.
473 */
474#ifndef DA_ORDEREDTAG_INTERVAL
475#define DA_ORDEREDTAG_INTERVAL 4
476#endif
477
478static struct periph_driver dadriver =
479{
480 dainit, "da",
481 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
482};
483
484DATA_SET(periphdriver_set, dadriver);
485
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486/* For 2.2-stable support */
487#ifndef D_DISK
488#define D_DISK 0
489#endif
490
491static struct cdevsw da_cdevsw = {
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492 /* name */ "da",
493 /* maj */ DA_CDEV_MAJOR,
494 /* flags */ D_DISK,
495 /* port */ NULL,
455fcd7e 496 /* clone */ NULL,
fabb8ceb 497
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498 /* open */ daopen,
499 /* close */ daclose,
500 /* read */ physread,
501 /* write */ physwrite,
502 /* ioctl */ daioctl,
503 /* poll */ nopoll,
504 /* mmap */ nommap,
505 /* strategy */ dastrategy,
984263bc 506 /* dump */ dadump,
fabb8ceb 507 /* psize */ nopsize
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508};
509
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510static SLIST_HEAD(,da_softc) softc_list;
511static struct extend_array *daperiphs;
512
513static int
41c20dac 514daopen(dev_t dev, int flags, int fmt, struct thread *td)
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515{
516 struct cam_periph *periph;
517 struct da_softc *softc;
518 struct disklabel *label;
519 int unit;
520 int part;
521 int error;
522 int s;
523
524 unit = dkunit(dev);
525 part = dkpart(dev);
526 periph = cam_extend_get(daperiphs, unit);
527 if (periph == NULL)
528 return (ENXIO);
529
530 softc = (struct da_softc *)periph->softc;
531
532 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
533 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
534 unit, part));
535
377d4740 536 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
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537 return (error); /* error code from tsleep */
538 }
539
540 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
541 return(ENXIO);
542 softc->flags |= DA_FLAG_OPEN;
543
544 s = splsoftcam();
545 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
546 /* Invalidate our pack information. */
547 disk_invalidate(&softc->disk);
548 softc->flags &= ~DA_FLAG_PACK_INVALID;
549 }
550 splx(s);
551
552 /* Do a read capacity */
553 {
554 struct scsi_read_capacity_data *rcap;
555 union ccb *ccb;
556
898d961b 557 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
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558
559 ccb = cam_periph_getccb(periph, /*priority*/1);
560 scsi_read_capacity(&ccb->csio,
561 /*retries*/1,
562 /*cbfncp*/dadone,
563 MSG_SIMPLE_Q_TAG,
564 rcap,
565 SSD_FULL_SIZE,
566 /*timeout*/60000);
567 ccb->ccb_h.ccb_bp = NULL;
568
569 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
570 /*sense_flags*/SF_RETRY_UA |
571 SF_RETRY_SELTO,
572 &softc->device_stats);
573
574 xpt_release_ccb(ccb);
575
576 if (error == 0) {
577 dasetgeom(periph, rcap);
578 }
579
580 free(rcap, M_TEMP);
581 }
582
583 if (error == 0) {
584 struct ccb_getdev cgd;
585
586 /* Build label for whole disk. */
587 label = &softc->disk.d_label;
588 bzero(label, sizeof(*label));
589 label->d_type = DTYPE_SCSI;
590
591 /*
592 * Grab the inquiry data to get the vendor and product names.
593 * Put them in the typename and packname for the label.
594 */
595 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
596 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
597 xpt_action((union ccb *)&cgd);
598
599 strncpy(label->d_typename, cgd.inq_data.vendor,
600 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
601 strncpy(label->d_packname, cgd.inq_data.product,
602 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
603
604 label->d_secsize = softc->params.secsize;
605 label->d_nsectors = softc->params.secs_per_track;
606 label->d_ntracks = softc->params.heads;
607 label->d_ncylinders = softc->params.cylinders;
608 label->d_secpercyl = softc->params.heads
609 * softc->params.secs_per_track;
610 label->d_secperunit = softc->params.sectors;
611
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612 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
613 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 614 daprevent(periph, PR_PREVENT);
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615
616 /*
617 * Check to see whether or not the blocksize is set yet.
618 * If it isn't, set it and then clear the blocksize
619 * unavailable flag for the device statistics.
620 */
621 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
622 softc->device_stats.block_size = softc->params.secsize;
623 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
624 }
625 }
626
627 if (error != 0) {
62ade751
MD
628 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
629 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 630 daprevent(periph, PR_ALLOW);
984263bc
MD
631 softc->flags &= ~DA_FLAG_OPEN;
632 cam_periph_release(periph);
633 }
634 cam_periph_unlock(periph);
635 return (error);
636}
637
638static int
41c20dac 639daclose(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
640{
641 struct cam_periph *periph;
642 struct da_softc *softc;
643 int unit;
644 int error;
645
646 unit = dkunit(dev);
647 periph = cam_extend_get(daperiphs, unit);
648 if (periph == NULL)
649 return (ENXIO);
650
651 softc = (struct da_softc *)periph->softc;
652
377d4740 653 if ((error = cam_periph_lock(periph, 0)) != 0) {
984263bc
MD
654 return (error); /* error code from tsleep */
655 }
656
657 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
658 union ccb *ccb;
659
660 ccb = cam_periph_getccb(periph, /*priority*/1);
661
662 scsi_synchronize_cache(&ccb->csio,
663 /*retries*/1,
664 /*cbfcnp*/dadone,
665 MSG_SIMPLE_Q_TAG,
666 /*begin_lba*/0,/* Cover the whole disk */
667 /*lb_count*/0,
668 SSD_FULL_SIZE,
669 5 * 60 * 1000);
670
671 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
672 /*sense_flags*/SF_RETRY_UA,
673 &softc->device_stats);
674
675 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
676 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
677 CAM_SCSI_STATUS_ERROR) {
678 int asc, ascq;
679 int sense_key, error_code;
680
681 scsi_extract_sense(&ccb->csio.sense_data,
682 &error_code,
683 &sense_key,
684 &asc, &ascq);
685 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
686 scsi_sense_print(&ccb->csio);
687 } else {
688 xpt_print_path(periph->path);
689 printf("Synchronize cache failed, status "
690 "== 0x%x, scsi status == 0x%x\n",
691 ccb->csio.ccb_h.status,
692 ccb->csio.scsi_status);
693 }
694 }
695
696 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
697 cam_release_devq(ccb->ccb_h.path,
698 /*relsim_flags*/0,
699 /*reduction*/0,
700 /*timeout*/0,
701 /*getcount_only*/0);
702
703 xpt_release_ccb(ccb);
704
705 }
706
707 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
62ade751
MD
708 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
709 daprevent(periph, PR_ALLOW);
984263bc
MD
710 /*
711 * If we've got removeable media, mark the blocksize as
712 * unavailable, since it could change when new media is
713 * inserted.
714 */
715 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
716 }
717
718 softc->flags &= ~DA_FLAG_OPEN;
719 cam_periph_unlock(periph);
720 cam_periph_release(periph);
721 return (0);
722}
723
724/*
725 * Actually translate the requested transfer into one the physical driver
726 * can understand. The transfer is described by a buf and will include
727 * only one physical transfer.
728 */
729static void
730dastrategy(struct buf *bp)
731{
732 struct cam_periph *periph;
733 struct da_softc *softc;
734 u_int unit;
735 u_int part;
736 int s;
737
738 unit = dkunit(bp->b_dev);
739 part = dkpart(bp->b_dev);
740 periph = cam_extend_get(daperiphs, unit);
741 if (periph == NULL) {
742 bp->b_error = ENXIO;
743 goto bad;
744 }
745 softc = (struct da_softc *)periph->softc;
746#if 0
747 /*
748 * check it's not too big a transfer for our adapter
749 */
750 scsi_minphys(bp,&sd_switch);
751#endif
752
753 /*
754 * Mask interrupts so that the pack cannot be invalidated until
755 * after we are in the queue. Otherwise, we might not properly
756 * clean up one of the buffers.
757 */
758 s = splbio();
759
760 /*
761 * If the device has been made invalid, error out
762 */
763 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
764 splx(s);
765 bp->b_error = ENXIO;
766 goto bad;
767 }
768
769 /*
770 * Place it in the queue of disk activities for this disk
771 */
772 bufqdisksort(&softc->buf_queue, bp);
773
774 splx(s);
775
776 /*
777 * Schedule ourselves for performing the work.
778 */
779 xpt_schedule(periph, /* XXX priority */1);
780
781 return;
782bad:
783 bp->b_flags |= B_ERROR;
784
785 /*
786 * Correctly set the buf to indicate a completed xfer
787 */
788 bp->b_resid = bp->b_bcount;
789 biodone(bp);
790 return;
791}
792
793/* For 2.2-stable support */
794#ifndef ENOIOCTL
795#define ENOIOCTL -1
796#endif
797
798static int
41c20dac 799daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
984263bc
MD
800{
801 struct cam_periph *periph;
802 struct da_softc *softc;
803 int unit;
804 int error;
805
806 unit = dkunit(dev);
807 periph = cam_extend_get(daperiphs, unit);
808 if (periph == NULL)
809 return (ENXIO);
810
811 softc = (struct da_softc *)periph->softc;
812
813 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("daioctl\n"));
814
377d4740 815 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
984263bc
MD
816 return (error); /* error code from tsleep */
817 }
818
819 error = cam_periph_ioctl(periph, cmd, addr, daerror);
820
821 cam_periph_unlock(periph);
822
823 return (error);
824}
825
826static int
e4c9c0c8 827dadump(dev_t dev, u_int num, u_int blknum, u_int secsize)
984263bc
MD
828{
829 struct cam_periph *periph;
830 struct da_softc *softc;
831 u_int unit;
984263bc 832 long blkcnt;
62ade751 833 vm_paddr_t addr;
984263bc
MD
834 struct ccb_scsiio csio;
835 int dumppages = MAXDUMPPGS;
984263bc
MD
836 int i;
837
838 /* toss any characters present prior to dump */
839 while (cncheckc() != -1)
840 ;
841
842 unit = dkunit(dev);
984263bc
MD
843 periph = cam_extend_get(daperiphs, unit);
844 if (periph == NULL) {
845 return (ENXIO);
846 }
847 softc = (struct da_softc *)periph->softc;
848
849 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
850 return (ENXIO);
851
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MD
852 addr = 0; /* starting address */
853 blkcnt = howmany(PAGE_SIZE, secsize);
854
855 while (num > 0) {
856 caddr_t va = NULL;
857
858 if ((num / blkcnt) < dumppages)
859 dumppages = num / blkcnt;
860
861 for (i = 0; i < dumppages; ++i) {
62ade751 862 vm_paddr_t a = addr + (i * PAGE_SIZE);
984263bc
MD
863 if (is_physical_memory(a))
864 va = pmap_kenter_temporary(trunc_page(a), i);
865 else
866 va = pmap_kenter_temporary(trunc_page(0), i);
867 }
868
869 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
870 csio.ccb_h.ccb_state = DA_CCB_DUMP;
871 scsi_read_write(&csio,
872 /*retries*/1,
873 dadone,
874 MSG_ORDERED_Q_TAG,
875 /*read*/FALSE,
876 /*byte2*/0,
877 /*minimum_cmd_size*/ softc->minimum_cmd_size,
878 blknum,
879 blkcnt * dumppages,
880 /*data_ptr*/(u_int8_t *) va,
881 /*dxfer_len*/blkcnt * secsize * dumppages,
882 /*sense_len*/SSD_FULL_SIZE,
883 DA_DEFAULT_TIMEOUT * 1000);
884 xpt_polled_action((union ccb *)&csio);
885
886 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
887 printf("Aborting dump due to I/O error.\n");
888 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
889 CAM_SCSI_STATUS_ERROR)
890 scsi_sense_print(&csio);
891 else
892 printf("status == 0x%x, scsi status == 0x%x\n",
893 csio.ccb_h.status, csio.scsi_status);
894 return(EIO);
895 }
896
897 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0)
898 return (EINTR);
899
900 /* update block count */
901 num -= blkcnt * dumppages;
902 blknum += blkcnt * dumppages;
903 addr += PAGE_SIZE * dumppages;
904 }
905
906 /*
907 * Sync the disk cache contents to the physical media.
908 */
909 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
910
911 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
912 csio.ccb_h.ccb_state = DA_CCB_DUMP;
913 scsi_synchronize_cache(&csio,
914 /*retries*/1,
915 /*cbfcnp*/dadone,
916 MSG_SIMPLE_Q_TAG,
917 /*begin_lba*/0,/* Cover the whole disk */
918 /*lb_count*/0,
919 SSD_FULL_SIZE,
920 5 * 60 * 1000);
921 xpt_polled_action((union ccb *)&csio);
922
923 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
924 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
925 CAM_SCSI_STATUS_ERROR) {
926 int asc, ascq;
927 int sense_key, error_code;
928
929 scsi_extract_sense(&csio.sense_data,
930 &error_code,
931 &sense_key,
932 &asc, &ascq);
933 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
934 scsi_sense_print(&csio);
935 } else {
936 xpt_print_path(periph->path);
937 printf("Synchronize cache failed, status "
938 "== 0x%x, scsi status == 0x%x\n",
939 csio.ccb_h.status, csio.scsi_status);
940 }
941 }
942 }
943 return (0);
944}
945
946static void
947dainit(void)
948{
949 cam_status status;
950 struct cam_path *path;
951
952 /*
953 * Create our extend array for storing the devices we attach to.
954 */
955 daperiphs = cam_extend_new();
956 SLIST_INIT(&softc_list);
957 if (daperiphs == NULL) {
958 printf("da: Failed to alloc extend array!\n");
959 return;
960 }
3690a379
JS
961
962 callout_init(&dasendorderedtag_ch);
963
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MD
964 /*
965 * Install a global async callback. This callback will
966 * receive async callbacks like "new device found".
967 */
968 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
969 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
970
971 if (status == CAM_REQ_CMP) {
972 struct ccb_setasync csa;
973
974 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
975 csa.ccb_h.func_code = XPT_SASYNC_CB;
976 csa.event_enable = AC_FOUND_DEVICE;
977 csa.callback = daasync;
978 csa.callback_arg = NULL;
979 xpt_action((union ccb *)&csa);
980 status = csa.ccb_h.status;
981 xpt_free_path(path);
982 }
983
984 if (status != CAM_REQ_CMP) {
985 printf("da: Failed to attach master async callback "
986 "due to status 0x%x!\n", status);
987 } else {
988
989 /*
990 * Schedule a periodic event to occasionally send an
991 * ordered tag to a device.
992 */
3690a379
JS
993 callout_reset(&dasendorderedtag_ch,
994 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL,
995 dasendorderedtag, NULL);
984263bc
MD
996
997 /* Register our shutdown event handler */
998 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
999 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1000 printf("dainit: shutdown event registration failed!\n");
1001 }
1002}
1003
1004static void
1005daoninvalidate(struct cam_periph *periph)
1006{
1007 int s;
1008 struct da_softc *softc;
1009 struct buf *q_bp;
1010 struct ccb_setasync csa;
1011
1012 softc = (struct da_softc *)periph->softc;
1013
1014 /*
1015 * De-register any async callbacks.
1016 */
1017 xpt_setup_ccb(&csa.ccb_h, periph->path,
1018 /* priority */ 5);
1019 csa.ccb_h.func_code = XPT_SASYNC_CB;
1020 csa.event_enable = 0;
1021 csa.callback = daasync;
1022 csa.callback_arg = periph;
1023 xpt_action((union ccb *)&csa);
1024
1025 softc->flags |= DA_FLAG_PACK_INVALID;
1026
1027 /*
1028 * Although the oninvalidate() routines are always called at
1029 * splsoftcam, we need to be at splbio() here to keep the buffer
1030 * queue from being modified while we traverse it.
1031 */
1032 s = splbio();
1033
1034 /*
1035 * Return all queued I/O with ENXIO.
1036 * XXX Handle any transactions queued to the card
1037 * with XPT_ABORT_CCB.
1038 */
1039 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
1040 bufq_remove(&softc->buf_queue, q_bp);
1041 q_bp->b_resid = q_bp->b_bcount;
1042 q_bp->b_error = ENXIO;
1043 q_bp->b_flags |= B_ERROR;
1044 biodone(q_bp);
1045 }
1046 splx(s);
1047
1048 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1049
1050 xpt_print_path(periph->path);
1051 printf("lost device\n");
1052}
1053
1054static void
1055dacleanup(struct cam_periph *periph)
1056{
1057 struct da_softc *softc;
1058
1059 softc = (struct da_softc *)periph->softc;
1060
1061 devstat_remove_entry(&softc->device_stats);
1062 cam_extend_release(daperiphs, periph->unit_number);
1063 xpt_print_path(periph->path);
1064 printf("removing device entry\n");
62ade751
MD
1065 /*
1066 * If we can't free the sysctl tree, oh well...
1067 */
1068 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1069 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1070 xpt_print_path(periph->path);
1071 printf("can't remove sysctl context\n");
1072 }
e4c9c0c8 1073 if (softc->disk.d_rawdev) {
335dda38 1074 disk_destroy(&softc->disk);
984263bc
MD
1075 }
1076 free(softc, M_DEVBUF);
1077}
1078
1079static void
1080daasync(void *callback_arg, u_int32_t code,
1081 struct cam_path *path, void *arg)
1082{
1083 struct cam_periph *periph;
1084
1085 periph = (struct cam_periph *)callback_arg;
1086 switch (code) {
1087 case AC_FOUND_DEVICE:
1088 {
1089 struct ccb_getdev *cgd;
1090 cam_status status;
1091
1092 cgd = (struct ccb_getdev *)arg;
1093
1094 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1095 && SID_TYPE(&cgd->inq_data) != T_RBC
1096 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1097 break;
1098
1099 /*
1100 * Allocate a peripheral instance for
1101 * this device and start the probe
1102 * process.
1103 */
1104 status = cam_periph_alloc(daregister, daoninvalidate,
1105 dacleanup, dastart,
1106 "da", CAM_PERIPH_BIO,
1107 cgd->ccb_h.path, daasync,
1108 AC_FOUND_DEVICE, cgd);
1109
1110 if (status != CAM_REQ_CMP
1111 && status != CAM_REQ_INPROG)
1112 printf("daasync: Unable to attach to new device "
1113 "due to status 0x%x\n", status);
1114 break;
1115 }
1116 case AC_SENT_BDR:
1117 case AC_BUS_RESET:
1118 {
1119 struct da_softc *softc;
1120 struct ccb_hdr *ccbh;
1121 int s;
1122
1123 softc = (struct da_softc *)periph->softc;
1124 s = splsoftcam();
1125 /*
1126 * Don't fail on the expected unit attention
1127 * that will occur.
1128 */
1129 softc->flags |= DA_FLAG_RETRY_UA;
1130 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1131 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1132 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1133 splx(s);
1134 /* FALLTHROUGH*/
1135 }
1136 default:
1137 cam_periph_async(periph, code, path, arg);
1138 break;
1139 }
1140}
1141
62ade751
MD
1142static void
1143dasysctlinit(void *context, int pending)
1144{
1145 struct cam_periph *periph;
1146 struct da_softc *softc;
1147 char tmpstr[80], tmpstr2[80];
1148
1149 periph = (struct cam_periph *)context;
1150 softc = (struct da_softc *)periph->softc;
1151
1152 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1153 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1154
1155 sysctl_ctx_init(&softc->sysctl_ctx);
1156 softc->flags |= DA_FLAG_SCTX_INIT;
1157 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1158 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1159 CTLFLAG_RD, 0, tmpstr);
1160 if (softc->sysctl_tree == NULL) {
1161 printf("dasysctlinit: unable to allocate sysctl tree\n");
1162 return;
1163 }
1164
1165 /*
1166 * Now register the sysctl handler, so the user can the value on
1167 * the fly.
1168 */
1169 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1170 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1171 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1172 "Minimum CDB size");
1173}
1174
1175static int
1176dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1177{
1178 int error, value;
1179
1180 value = *(int *)arg1;
1181
1182 error = sysctl_handle_int(oidp, &value, 0, req);
1183
1184 if ((error != 0)
1185 || (req->newptr == NULL))
1186 return (error);
1187
1188 /*
1189 * Acceptable values here are 6, 10 or 12. It's possible we may
1190 * support a 16 byte minimum command size in the future, since
1191 * there are now READ(16) and WRITE(16) commands defined in the
1192 * SBC-2 spec.
1193 */
1194 if (value < 6)
1195 value = 6;
1196 else if ((value > 6)
1197 && (value <= 10))
1198 value = 10;
1199 else if (value > 10)
1200 value = 12;
1201
1202 *(int *)arg1 = value;
1203
1204 return (0);
1205}
1206
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MD
1207static cam_status
1208daregister(struct cam_periph *periph, void *arg)
1209{
1210 int s;
1211 struct da_softc *softc;
1212 struct ccb_setasync csa;
62ade751 1213 struct ccb_pathinq cpi;
984263bc 1214 struct ccb_getdev *cgd;
62ade751 1215 char tmpstr[80];
984263bc
MD
1216 caddr_t match;
1217
1218 cgd = (struct ccb_getdev *)arg;
1219 if (periph == NULL) {
1220 printf("daregister: periph was NULL!!\n");
1221 return(CAM_REQ_CMP_ERR);
1222 }
1223
1224 if (cgd == NULL) {
1225 printf("daregister: no getdev CCB, can't register device\n");
1226 return(CAM_REQ_CMP_ERR);
1227 }
1228
ad86f6b6 1229 softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
984263bc
MD
1230 LIST_INIT(&softc->pending_ccbs);
1231 softc->state = DA_STATE_PROBE;
1232 bufq_init(&softc->buf_queue);
1233 if (SID_IS_REMOVABLE(&cgd->inq_data))
1234 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1235 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1236 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1237
1238 periph->softc = softc;
1239
1240 cam_extend_set(daperiphs, periph->unit_number, periph);
1241
1242 /*
1243 * See if this device has any quirks.
1244 */
1245 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1246 (caddr_t)da_quirk_table,
1247 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1248 sizeof(*da_quirk_table), scsi_inquiry_match);
1249
1250 if (match != NULL)
1251 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1252 else
1253 softc->quirks = DA_Q_NONE;
1254
62ade751
MD
1255 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1256
1257 /* Check if the SIM does not want 6 byte commands */
1258 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
1259 cpi.ccb_h.func_code = XPT_PATH_INQ;
1260 xpt_action((union ccb *)&cpi);
1261 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1262 softc->quirks |= DA_Q_NO_6_BYTE;
1263
1264 /*
1265 * RBC devices don't have to support READ(6), only READ(10).
1266 */
984263bc
MD
1267 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1268 softc->minimum_cmd_size = 10;
1269 else
1270 softc->minimum_cmd_size = 6;
1271
62ade751
MD
1272 /*
1273 * Load the user's default, if any.
1274 */
1275 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1276 periph->unit_number);
1277 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1278
1279 /*
1280 * 6, 10 and 12 are the currently permissible values.
1281 */
1282 if (softc->minimum_cmd_size < 6)
1283 softc->minimum_cmd_size = 6;
1284 else if ((softc->minimum_cmd_size > 6)
1285 && (softc->minimum_cmd_size <= 10))
1286 softc->minimum_cmd_size = 10;
1287 else if (softc->minimum_cmd_size > 12)
1288 softc->minimum_cmd_size = 12;
1289
984263bc
MD
1290 /*
1291 * Block our timeout handler while we
1292 * add this softc to the dev list.
1293 */
1294 s = splsoftclock();
1295 SLIST_INSERT_HEAD(&softc_list, softc, links);
1296 splx(s);
1297
1298 /*
1299 * The DA driver supports a blocksize, but
1300 * we don't know the blocksize until we do
1301 * a read capacity. So, set a flag to
1302 * indicate that the blocksize is
1303 * unavailable right now. We'll clear the
1304 * flag as soon as we've done a read capacity.
1305 */
1306 devstat_add_entry(&softc->device_stats, "da",
1307 periph->unit_number, 0,
1308 DEVSTAT_BS_UNAVAILABLE,
1309 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1310 DEVSTAT_PRIORITY_DISK);
1311
1312 /*
1313 * Register this media as a disk
1314 */
335dda38 1315 disk_create(periph->unit_number, &softc->disk, 0, &da_cdevsw);
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1316
1317 /*
1318 * Add async callbacks for bus reset and
1319 * bus device reset calls. I don't bother
1320 * checking if this fails as, in most cases,
1321 * the system will function just fine without
1322 * them and the only alternative would be to
1323 * not attach the device on failure.
1324 */
1325 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1326 csa.ccb_h.func_code = XPT_SASYNC_CB;
1327 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1328 csa.callback = daasync;
1329 csa.callback_arg = periph;
1330 xpt_action((union ccb *)&csa);
1331 /*
1332 * Lock this peripheral until we are setup.
1333 * This first call can't block
1334 */
377d4740 1335 (void)cam_periph_lock(periph, 0);
984263bc
MD
1336 xpt_schedule(periph, /*priority*/5);
1337
1338 return(CAM_REQ_CMP);
1339}
1340
1341static void
1342dastart(struct cam_periph *periph, union ccb *start_ccb)
1343{
1344 struct da_softc *softc;
1345
1346 softc = (struct da_softc *)periph->softc;
1347
1348
1349 switch (softc->state) {
1350 case DA_STATE_NORMAL:
1351 {
1352 /* Pull a buffer from the queue and get going on it */
1353 struct buf *bp;
1354 int s;
1355
1356 /*
1357 * See if there is a buf with work for us to do..
1358 */
1359 s = splbio();
1360 bp = bufq_first(&softc->buf_queue);
1361 if (periph->immediate_priority <= periph->pinfo.priority) {
1362 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1363 ("queuing for immediate ccb\n"));
1364 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1365 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1366 periph_links.sle);
1367 periph->immediate_priority = CAM_PRIORITY_NONE;
1368 splx(s);
1369 wakeup(&periph->ccb_list);
1370 } else if (bp == NULL) {
1371 splx(s);
1372 xpt_release_ccb(start_ccb);
1373 } else {
1374 int oldspl;
1375 u_int8_t tag_code;
1376
1377 bufq_remove(&softc->buf_queue, bp);
1378
1379 devstat_start_transaction(&softc->device_stats);
1380
1381 if ((bp->b_flags & B_ORDERED) != 0
1382 || (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
1383 softc->flags &= ~DA_FLAG_NEED_OTAG;
1384 softc->ordered_tag_count++;
1385 tag_code = MSG_ORDERED_Q_TAG;
1386 } else {
1387 tag_code = MSG_SIMPLE_Q_TAG;
1388 }
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MD
1389 scsi_read_write(&start_ccb->csio,
1390 /*retries*/da_retry_count,
1391 dadone,
1392 tag_code,
1393 bp->b_flags & B_READ,
1394 /*byte2*/0,
1395 softc->minimum_cmd_size,
1396 bp->b_pblkno,
1397 bp->b_bcount / softc->params.secsize,
1398 bp->b_data,
1399 bp->b_bcount,
1400 /*sense_len*/SSD_FULL_SIZE,
1401 da_default_timeout * 1000);
1402 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
1403
1404 /*
1405 * Block out any asyncronous callbacks
1406 * while we touch the pending ccb list.
1407 */
1408 oldspl = splcam();
1409 LIST_INSERT_HEAD(&softc->pending_ccbs,
1410 &start_ccb->ccb_h, periph_links.le);
1411 splx(oldspl);
1412
1413 /* We expect a unit attention from this device */
1414 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1415 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1416 softc->flags &= ~DA_FLAG_RETRY_UA;
1417 }
1418
1419 start_ccb->ccb_h.ccb_bp = bp;
1420 bp = bufq_first(&softc->buf_queue);
1421 splx(s);
1422
1423 xpt_action(start_ccb);
1424 }
1425
1426 if (bp != NULL) {
1427 /* Have more work to do, so ensure we stay scheduled */
1428 xpt_schedule(periph, /* XXX priority */1);
1429 }
1430 break;
1431 }
1432 case DA_STATE_PROBE:
1433 {
1434 struct ccb_scsiio *csio;
1435 struct scsi_read_capacity_data *rcap;
1436
898d961b 1437 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
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MD
1438 csio = &start_ccb->csio;
1439 scsi_read_capacity(csio,
1440 /*retries*/4,
1441 dadone,
1442 MSG_SIMPLE_Q_TAG,
1443 rcap,
1444 SSD_FULL_SIZE,
1445 /*timeout*/5000);
1446 start_ccb->ccb_h.ccb_bp = NULL;
1447 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1448 xpt_action(start_ccb);
1449 break;
1450 }
1451 }
1452}
1453
1454static int
1455cmd6workaround(union ccb *ccb)
1456{
1457 struct scsi_rw_6 cmd6;
1458 struct scsi_rw_10 *cmd10;
1459 struct da_softc *softc;
1460 u_int8_t *cdb;
1461 int frozen;
1462
1463 cdb = ccb->csio.cdb_io.cdb_bytes;
1464
1465 /* Translation only possible if CDB is an array and cmd is R/W6 */
1466 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1467 (*cdb != READ_6 && *cdb != WRITE_6))
1468 return 0;
1469
1470 xpt_print_path(ccb->ccb_h.path);
1471 printf("READ(6)/WRITE(6) not supported, "
1472 "increasing minimum_cmd_size to 10.\n");
1473 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1474 softc->minimum_cmd_size = 10;
1475
1476 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1477 cmd10 = (struct scsi_rw_10 *)cdb;
1478 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1479 cmd10->byte2 = 0;
1480 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1481 cmd10->reserved = 0;
1482 scsi_ulto2b(cmd6.length, cmd10->length);
1483 cmd10->control = cmd6.control;
1484 ccb->csio.cdb_len = sizeof(*cmd10);
1485
1486 /* Requeue request, unfreezing queue if necessary */
1487 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1488 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1489 xpt_action(ccb);
1490 if (frozen) {
1491 cam_release_devq(ccb->ccb_h.path,
1492 /*relsim_flags*/0,
1493 /*reduction*/0,
1494 /*timeout*/0,
1495 /*getcount_only*/0);
1496 }
1497 return (ERESTART);
1498}
1499
1500static void
1501dadone(struct cam_periph *periph, union ccb *done_ccb)
1502{
1503 struct da_softc *softc;
1504 struct ccb_scsiio *csio;
1505
1506 softc = (struct da_softc *)periph->softc;
1507 csio = &done_ccb->csio;
1508 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1509 case DA_CCB_BUFFER_IO:
1510 {
1511 struct buf *bp;
1512 int oldspl;
1513
1514 bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
1515 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1516 int error;
1517 int s;
1518 int sf;
1519
1520 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1521 sf = SF_RETRY_UA;
1522 else
1523 sf = 0;
1524
1525 /* Retry selection timeouts */
1526 sf |= SF_RETRY_SELTO;
1527
1528 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) {
1529 /*
1530 * A retry was scheuled, so
1531 * just return.
1532 */
1533 return;
1534 }
1535 if (error != 0) {
1536 struct buf *q_bp;
1537
1538 s = splbio();
1539
1540 if (error == ENXIO) {
1541 /*
1542 * Catastrophic error. Mark our pack as
1543 * invalid.
1544 */
1545 /* XXX See if this is really a media
1546 * change first.
1547 */
1548 xpt_print_path(periph->path);
1549 printf("Invalidating pack\n");
1550 softc->flags |= DA_FLAG_PACK_INVALID;
1551 }
1552
1553 /*
1554 * return all queued I/O with EIO, so that
1555 * the client can retry these I/Os in the
1556 * proper order should it attempt to recover.
1557 */
1558 while ((q_bp = bufq_first(&softc->buf_queue))
1559 != NULL) {
1560 bufq_remove(&softc->buf_queue, q_bp);
1561 q_bp->b_resid = q_bp->b_bcount;
1562 q_bp->b_error = EIO;
1563 q_bp->b_flags |= B_ERROR;
1564 biodone(q_bp);
1565 }
1566 splx(s);
1567 bp->b_error = error;
1568 bp->b_resid = bp->b_bcount;
1569 bp->b_flags |= B_ERROR;
1570 } else {
1571 bp->b_resid = csio->resid;
1572 bp->b_error = 0;
62ade751 1573 if (bp->b_resid != 0)
984263bc 1574 bp->b_flags |= B_ERROR;
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MD
1575 }
1576 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1577 cam_release_devq(done_ccb->ccb_h.path,
1578 /*relsim_flags*/0,
1579 /*reduction*/0,
1580 /*timeout*/0,
1581 /*getcount_only*/0);
1582 } else {
1583 bp->b_resid = csio->resid;
62ade751 1584 if (csio->resid > 0)
984263bc 1585 bp->b_flags |= B_ERROR;
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MD
1586 }
1587
1588 /*
1589 * Block out any asyncronous callbacks
1590 * while we touch the pending ccb list.
1591 */
1592 oldspl = splcam();
1593 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
1594 splx(oldspl);
1595
1596 if (softc->device_stats.busy_count == 0)
1597 softc->flags |= DA_FLAG_WENT_IDLE;
1598
1599 devstat_end_transaction_buf(&softc->device_stats, bp);
1600 biodone(bp);
1601 break;
1602 }
1603 case DA_CCB_PROBE:
1604 {
1605 struct scsi_read_capacity_data *rdcap;
1606 char announce_buf[80];
1607
1608 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1609
1610 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1611 struct disk_params *dp;
1612
1613 dasetgeom(periph, rdcap);
1614 dp = &softc->params;
1615 snprintf(announce_buf, sizeof(announce_buf),
1616 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1617 (unsigned long) (((u_int64_t)dp->secsize *
1618 dp->sectors) / (1024*1024)), dp->sectors,
1619 dp->secsize, dp->heads, dp->secs_per_track,
1620 dp->cylinders);
1621 } else {
1622 int error;
1623
1624 announce_buf[0] = '\0';
1625
1626 /*
1627 * Retry any UNIT ATTENTION type errors. They
1628 * are expected at boot.
1629 */
1630 error = daerror(done_ccb, 0, SF_RETRY_UA |
1631 SF_RETRY_SELTO | SF_NO_PRINT);
1632 if (error == ERESTART) {
1633 /*
1634 * A retry was scheuled, so
1635 * just return.
1636 */
1637 return;
1638 } else if (error != 0) {
1639 struct scsi_sense_data *sense;
1640 int asc, ascq;
1641 int sense_key, error_code;
1642 int have_sense;
1643 cam_status status;
1644 struct ccb_getdev cgd;
1645
1646 /* Don't wedge this device's queue */
1647 cam_release_devq(done_ccb->ccb_h.path,
1648 /*relsim_flags*/0,
1649 /*reduction*/0,
1650 /*timeout*/0,
1651 /*getcount_only*/0);
1652
1653 status = done_ccb->ccb_h.status;
1654
1655 xpt_setup_ccb(&cgd.ccb_h,
1656 done_ccb->ccb_h.path,
1657 /* priority */ 1);
1658 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1659 xpt_action((union ccb *)&cgd);
1660
1661 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1662 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1663 || ((status & CAM_AUTOSNS_VALID) == 0))
1664 have_sense = FALSE;
1665 else
1666 have_sense = TRUE;
1667
1668 if (have_sense) {
1669 sense = &csio->sense_data;
1670 scsi_extract_sense(sense, &error_code,
1671 &sense_key,
1672 &asc, &ascq);
1673 }
1674 /*
1675 * Attach to anything that claims to be a
1676 * direct access or optical disk device,
1677 * as long as it doesn't return a "Logical
1678 * unit not supported" (0x25) error.
1679 */
1680 if ((have_sense) && (asc != 0x25)
1681 && (error_code == SSD_CURRENT_ERROR))
1682 snprintf(announce_buf,
1683 sizeof(announce_buf),
1684 "Attempt to query device "
1685 "size failed: %s, %s",
1686 scsi_sense_key_text[sense_key],
1687 scsi_sense_desc(asc,ascq,
1688 &cgd.inq_data));
1689 else {
1690 if (have_sense)
1691 scsi_sense_print(
1692 &done_ccb->csio);
1693 else {
1694 xpt_print_path(periph->path);
1695 printf("got CAM status %#x\n",
1696 done_ccb->ccb_h.status);
1697 }
1698
1699 xpt_print_path(periph->path);
1700 printf("fatal error, failed"
1701 " to attach to device\n");
1702
1703 /*
1704 * Free up resources.
1705 */
1706 cam_periph_invalidate(periph);
1707 }
1708 }
1709 }
1710 free(rdcap, M_TEMP);
62ade751 1711 if (announce_buf[0] != '\0') {
984263bc 1712 xpt_announce_periph(periph, announce_buf);
62ade751
MD
1713 /*
1714 * Create our sysctl variables, now that we know
1715 * we have successfully attached.
1716 */
1717 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1718 }
984263bc
MD
1719 softc->state = DA_STATE_NORMAL;
1720 /*
1721 * Since our peripheral may be invalidated by an error
1722 * above or an external event, we must release our CCB
1723 * before releasing the probe lock on the peripheral.
1724 * The peripheral will only go away once the last lock
1725 * is removed, and we need it around for the CCB release
1726 * operation.
1727 */
1728 xpt_release_ccb(done_ccb);
1729 cam_periph_unlock(periph);
1730 return;
1731 }
1732 case DA_CCB_WAITING:
1733 {
1734 /* Caller will release the CCB */
1735 wakeup(&done_ccb->ccb_h.cbfcnp);
1736 return;
1737 }
1738 case DA_CCB_DUMP:
1739 /* No-op. We're polling */
1740 return;
1741 default:
1742 break;
1743 }
1744 xpt_release_ccb(done_ccb);
1745}
1746
1747static int
1748daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1749{
1750 struct da_softc *softc;
1751 struct cam_periph *periph;
62ade751 1752 int error;
984263bc
MD
1753
1754 periph = xpt_path_periph(ccb->ccb_h.path);
1755 softc = (struct da_softc *)periph->softc;
1756
1757 /*
1758 * Automatically detect devices that do not support
1759 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1760 */
1761 error = 0;
62ade751
MD
1762 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1763 error = cmd6workaround(ccb);
1764 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1765 CAM_SCSI_STATUS_ERROR)
1766 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1767 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1768 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1769 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1770 int sense_key, error_code, asc, ascq;
1771
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MD
1772 scsi_extract_sense(&ccb->csio.sense_data,
1773 &error_code, &sense_key, &asc, &ascq);
1774 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1775 error = cmd6workaround(ccb);
1776 }
1777 if (error == ERESTART)
1778 return (ERESTART);
1779
1780 /*
1781 * XXX
1782 * Until we have a better way of doing pack validation,
1783 * don't treat UAs as errors.
1784 */
1785 sense_flags |= SF_RETRY_UA;
1786 return(cam_periph_error(ccb, cam_flags, sense_flags,
1787 &softc->saved_ccb));
1788}
1789
1790static void
1791daprevent(struct cam_periph *periph, int action)
1792{
1793 struct da_softc *softc;
1794 union ccb *ccb;
1795 int error;
1796
1797 softc = (struct da_softc *)periph->softc;
1798
1799 if (((action == PR_ALLOW)
1800 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1801 || ((action == PR_PREVENT)
1802 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1803 return;
1804 }
1805
1806 ccb = cam_periph_getccb(periph, /*priority*/1);
1807
1808 scsi_prevent(&ccb->csio,
1809 /*retries*/1,
1810 /*cbcfp*/dadone,
1811 MSG_SIMPLE_Q_TAG,
1812 action,
1813 SSD_FULL_SIZE,
1814 5000);
1815
1816 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1817 /*sense_flags*/0, &softc->device_stats);
1818
1819 if (error == 0) {
1820 if (action == PR_ALLOW)
1821 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1822 else
1823 softc->flags |= DA_FLAG_PACK_LOCKED;
1824 }
1825
1826 xpt_release_ccb(ccb);
1827}
1828
1829static void
1830dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1831{
1832 struct ccb_calc_geometry ccg;
1833 struct da_softc *softc;
1834 struct disk_params *dp;
1835
1836 softc = (struct da_softc *)periph->softc;
1837
1838 dp = &softc->params;
1839 dp->secsize = scsi_4btoul(rdcap->length);
1840 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1841 /*
1842 * Have the controller provide us with a geometry
1843 * for this disk. The only time the geometry
1844 * matters is when we boot and the controller
1845 * is the only one knowledgeable enough to come
1846 * up with something that will make this a bootable
1847 * device.
1848 */
1849 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1850 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1851 ccg.block_size = dp->secsize;
1852 ccg.volume_size = dp->sectors;
1853 ccg.heads = 0;
1854 ccg.secs_per_track = 0;
1855 ccg.cylinders = 0;
1856 xpt_action((union ccb*)&ccg);
1857 dp->heads = ccg.heads;
1858 dp->secs_per_track = ccg.secs_per_track;
1859 dp->cylinders = ccg.cylinders;
1860}
1861
1862static void
1863dasendorderedtag(void *arg)
1864{
1865 struct da_softc *softc;
1866 int s;
1867
1868 for (softc = SLIST_FIRST(&softc_list);
1869 softc != NULL;
1870 softc = SLIST_NEXT(softc, links)) {
1871 s = splsoftcam();
1872 if ((softc->ordered_tag_count == 0)
1873 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1874 softc->flags |= DA_FLAG_NEED_OTAG;
1875 }
1876 if (softc->device_stats.busy_count > 0)
1877 softc->flags &= ~DA_FLAG_WENT_IDLE;
1878
1879 softc->ordered_tag_count = 0;
1880 splx(s);
1881 }
1882 /* Queue us up again */
3690a379
JS
1883 callout_reset(&dasendorderedtag_ch,
1884 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
1885 dasendorderedtag, NULL);
984263bc
MD
1886}
1887
1888/*
1889 * Step through all DA peripheral drivers, and if the device is still open,
1890 * sync the disk cache to physical media.
1891 */
1892static void
1893dashutdown(void * arg, int howto)
1894{
1895 struct cam_periph *periph;
1896 struct da_softc *softc;
1897
1898 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1899 periph = TAILQ_NEXT(periph, unit_links)) {
1900 union ccb ccb;
1901 softc = (struct da_softc *)periph->softc;
1902
1903 /*
1904 * We only sync the cache if the drive is still open, and
1905 * if the drive is capable of it..
1906 */
1907 if (((softc->flags & DA_FLAG_OPEN) == 0)
1908 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1909 continue;
1910
1911 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1912
1913 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1914 scsi_synchronize_cache(&ccb.csio,
1915 /*retries*/1,
1916 /*cbfcnp*/dadone,
1917 MSG_SIMPLE_Q_TAG,
1918 /*begin_lba*/0, /* whole disk */
1919 /*lb_count*/0,
1920 SSD_FULL_SIZE,
1921 5 * 60 * 1000);
1922
1923 xpt_polled_action(&ccb);
1924
1925 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1926 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1927 CAM_SCSI_STATUS_ERROR)
1928 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1929 int error_code, sense_key, asc, ascq;
1930
1931 scsi_extract_sense(&ccb.csio.sense_data,
1932 &error_code, &sense_key,
1933 &asc, &ascq);
1934
1935 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1936 scsi_sense_print(&ccb.csio);
1937 } else {
1938 xpt_print_path(periph->path);
1939 printf("Synchronize cache failed, status "
1940 "== 0x%x, scsi status == 0x%x\n",
1941 ccb.ccb_h.status, ccb.csio.scsi_status);
1942 }
1943 }
1944
1945 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1946 cam_release_devq(ccb.ccb_h.path,
1947 /*relsim_flags*/0,
1948 /*reduction*/0,
1949 /*timeout*/0,
1950 /*getcount_only*/0);
1951
1952 }
1953}
1954
1955#else /* !_KERNEL */
1956
1957/*
1958 * XXX This is only left out of the kernel build to silence warnings. If,
1959 * for some reason this function is used in the kernel, the ifdefs should
1960 * be moved so it is included both in the kernel and userland.
1961 */
1962void
1963scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1964 void (*cbfcnp)(struct cam_periph *, union ccb *),
1965 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1966 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1967 u_int32_t timeout)
1968{
1969 struct scsi_format_unit *scsi_cmd;
1970
1971 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1972 scsi_cmd->opcode = FORMAT_UNIT;
1973 scsi_cmd->byte2 = byte2;
1974 scsi_ulto2b(ileave, scsi_cmd->interleave);
1975
1976 cam_fill_csio(csio,
1977 retries,
1978 cbfcnp,
1979 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1980 tag_action,
1981 data_ptr,
1982 dxfer_len,
1983 sense_len,
1984 sizeof(*scsi_cmd),
1985 timeout);
1986}
1987
1988#endif /* _KERNEL */