Remove spl*() calls from the bus/ infrastructure, replacing them with
[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 $
4e01b467 29 * $DragonFly: src/sys/bus/cam/scsi/scsi_da.c,v 1.23 2005/06/02 20:40:31 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>
4e01b467 57#include <sys/thread2.h>
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58
59#include <machine/md_var.h>
60
05220613 61#ifdef _KERNEL
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62#include <vm/vm.h>
63#include <vm/pmap.h>
05220613 64#endif
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65
66#ifndef _KERNEL
67#include <stdio.h>
68#include <string.h>
69#endif /* _KERNEL */
70
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71#include "../cam.h"
72#include "../cam_ccb.h"
73#include "../cam_extend.h"
74#include "../cam_periph.h"
75#include "../cam_xpt_periph.h"
984263bc 76
1f2de5d4 77#include "scsi_message.h"
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78
79#ifndef _KERNEL
1f2de5d4 80#include "scsi_da.h"
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81#endif /* !_KERNEL */
82
83#ifdef _KERNEL
84typedef enum {
85 DA_STATE_PROBE,
86 DA_STATE_NORMAL
87} da_state;
88
89typedef enum {
90 DA_FLAG_PACK_INVALID = 0x001,
91 DA_FLAG_NEW_PACK = 0x002,
92 DA_FLAG_PACK_LOCKED = 0x004,
93 DA_FLAG_PACK_REMOVABLE = 0x008,
94 DA_FLAG_TAGGED_QUEUING = 0x010,
95 DA_FLAG_NEED_OTAG = 0x020,
96 DA_FLAG_WENT_IDLE = 0x040,
97 DA_FLAG_RETRY_UA = 0x080,
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98 DA_FLAG_OPEN = 0x100,
99 DA_FLAG_SCTX_INIT = 0x200
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100} da_flags;
101
102typedef enum {
103 DA_Q_NONE = 0x00,
104 DA_Q_NO_SYNC_CACHE = 0x01,
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105 DA_Q_NO_6_BYTE = 0x02,
106 DA_Q_NO_PREVENT = 0x04
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107} da_quirks;
108
109typedef enum {
110 DA_CCB_PROBE = 0x01,
111 DA_CCB_BUFFER_IO = 0x02,
112 DA_CCB_WAITING = 0x03,
113 DA_CCB_DUMP = 0x04,
114 DA_CCB_TYPE_MASK = 0x0F,
115 DA_CCB_RETRY_UA = 0x10
116} da_ccb_state;
117
118/* Offsets into our private area for storing information */
119#define ccb_state ppriv_field0
120#define ccb_bp ppriv_ptr1
121
122struct disk_params {
123 u_int8_t heads;
124 u_int16_t cylinders;
125 u_int8_t secs_per_track;
126 u_int32_t secsize; /* Number of bytes/sector */
127 u_int32_t sectors; /* total number sectors */
128};
129
130struct da_softc {
131 struct buf_queue_head buf_queue;
132 struct devstat device_stats;
133 SLIST_ENTRY(da_softc) links;
134 LIST_HEAD(, ccb_hdr) pending_ccbs;
135 da_state state;
136 da_flags flags;
137 da_quirks quirks;
138 int minimum_cmd_size;
139 int ordered_tag_count;
140 struct disk_params params;
141 struct disk disk;
142 union ccb saved_ccb;
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143 struct task sysctl_task;
144 struct sysctl_ctx_list sysctl_ctx;
145 struct sysctl_oid *sysctl_tree;
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146};
147
148struct da_quirk_entry {
149 struct scsi_inquiry_pattern inq_pat;
150 da_quirks quirks;
151};
152
153static const char quantum[] = "QUANTUM";
154static const char microp[] = "MICROP";
155
156static struct da_quirk_entry da_quirk_table[] =
157{
62ade751 158 /* SPI, FC devices */
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159 {
160 /*
161 * Fujitsu M2513A MO drives.
162 * Tested devices: M2513A2 firmware versions 1200 & 1300.
163 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
164 * Reported by: W.Scholten <whs@xs4all.nl>
165 */
166 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
167 /*quirks*/ DA_Q_NO_SYNC_CACHE
168 },
169 {
170 /* See above. */
171 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
172 /*quirks*/ DA_Q_NO_SYNC_CACHE
173 },
174 {
175 /*
176 * This particular Fujitsu drive doesn't like the
177 * synchronize cache command.
178 * Reported by: Tom Jackson <toj@gorilla.net>
179 */
180 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
181 /*quirks*/ DA_Q_NO_SYNC_CACHE
182
183 },
184 {
185 /*
186 * This drive doesn't like the synchronize cache command
187 * either. Reported by: Matthew Jacob <mjacob@feral.com>
188 * in NetBSD PR kern/6027, August 24, 1998.
189 */
190 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
191 /*quirks*/ DA_Q_NO_SYNC_CACHE
192 },
193 {
194 /*
195 * This drive doesn't like the synchronize cache command
196 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
197 * (PR 8882).
198 */
199 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
200 /*quirks*/ DA_Q_NO_SYNC_CACHE
201 },
202 {
203 /*
204 * Doesn't like the synchronize cache command.
205 * Reported by: Blaz Zupan <blaz@gold.amis.net>
206 */
207 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
208 /*quirks*/ DA_Q_NO_SYNC_CACHE
209 },
210 {
211 /*
212 * Doesn't like the synchronize cache command.
213 */
214 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
215 /*quirks*/ DA_Q_NO_SYNC_CACHE
216 },
217 {
218 /*
219 * Doesn't like the synchronize cache command.
220 */
221 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
222 /*quirks*/ DA_Q_NO_SYNC_CACHE
223 },
224 {
225 /*
226 * Doesn't work correctly with 6 byte reads/writes.
227 * Returns illegal request, and points to byte 9 of the
228 * 6-byte CDB.
229 * Reported by: Adam McDougall <bsdx@spawnet.com>
230 */
231 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
232 /*quirks*/ DA_Q_NO_6_BYTE
233 },
234 {
62ade751 235 /* See above. */
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236 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
237 /*quirks*/ DA_Q_NO_6_BYTE
238 },
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239 /* XXX USB floppy quirks temporarily enabled for 4.9R */
240 /* USB floppy devices supported by umass(4) */
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241 {
242 /*
243 * This USB floppy drive uses the UFI command set. This
244 * command set is a derivative of the ATAPI command set and
245 * does not support READ_6 commands only READ_10. It also does
246 * not support sync cache (0x35).
247 */
248 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Y-E DATA", "USB-FDU", "*"},
62ade751 249 /*quirks*/ DA_Q_NO_SYNC_CACHE
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250 },
251 {
252 /* Another USB floppy */
253 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MATSHITA", "FDD CF-VFDU*","*"},
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254 /*quirks*/ DA_Q_NO_SYNC_CACHE
255 },
256 {
257 /*
258 * The vendor, product and version strings coming from the
259 * controller are null terminated instead of being padded with
260 * spaces. The trailing wildcard character '*' is required.
261 */
262 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SMSC*", "USB FDC*","*"},
263 /*quirks*/ DA_Q_NO_SYNC_CACHE
264 },
265 {
266 /*
267 * SmartDisk (Mitsumi) USB floppy drive
268 * PR: kern/50226
269 */
270 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MITSUMI", "USB FDD", "*"},
271 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 272 },
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273 {
274 /*
275 * The CISS RAID controllers do not support SYNC_CACHE
276 */
277 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
278 /*quirks*/ DA_Q_NO_SYNC_CACHE
279 },
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280#ifdef DA_OLD_QUIRKS
281 /* USB mass storage devices supported by umass(4) */
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282 {
283 /*
284 * Sony Memory Stick adapter MSAC-US1 and
285 * Sony PCG-C1VJ Internal Memory Stick Slot (MSC-U01).
286 * Make all sony MS* products use this quirk.
287 */
288 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "MS*", "*"},
62ade751 289 /*quirks*/ DA_Q_NO_SYNC_CACHE
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290 },
291 {
292 /*
293 * Sony Memory Stick adapter for the CLIE series
294 * of PalmOS PDA's
295 */
296 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "CLIE*", "*"},
62ade751 297 /*quirks*/ DA_Q_NO_SYNC_CACHE
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298 },
299 {
300 /*
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301 * Intelligent Stick USB disk-on-key
302 * PR: kern/53005
984263bc 303 */
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304 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB Card",
305 "IntelligentStick*", "*"},
306 /*quirks*/ DA_Q_NO_SYNC_CACHE
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307 },
308 {
309 /*
62ade751 310 * Sony DSC cameras (DSC-S30, DSC-S50, DSC-S70)
984263bc 311 */
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312 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
313 /*quirks*/ DA_Q_NO_SYNC_CACHE
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314 },
315 {
316 /*
317 * Microtech USB CameraMate
318 */
319 {T_DIRECT, SIP_MEDIA_REMOVABLE, "eUSB Compact*",
320 "Compact Flash*", "*"},
62ade751 321 /*quirks*/ DA_Q_NO_SYNC_CACHE
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322 },
323 {
324 /*
325 * Olympus digital cameras (C-3040ZOOM, C-2040ZOOM, C-1)
326 */
327 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "C-*", "*"},
62ade751 328 /*quirks*/ DA_Q_NO_SYNC_CACHE
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329 },
330 {
331 /*
332 * Olympus digital cameras (E-100RS, E-10).
333 */
334 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "E-*", "*"},
62ade751 335 /*quirks*/ DA_Q_NO_SYNC_CACHE
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336 },
337 {
338 /*
339 * KingByte Pen Drives
340 */
341 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NO BRAND", "PEN DRIVE", "*"},
62ade751 342 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 343 },
34096067
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344 {
345 /*
346 * iRiver iFP MP3 player (with UMS Firmware)
347 * PR: kern/54881, i386/63941, kern/66124
348 */
349 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
350 /*quirks*/ DA_Q_NO_SYNC_CACHE
351 },
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352 {
353 /*
354 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
355 * PR: kern/70158
356 */
357 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "NexIA+*", "*"},
358 /*quirks*/ DA_Q_NO_SYNC_CACHE
359 },
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360 {
361 /*
362 * FujiFilm Camera
363 */
364 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJIFILMUSB-DRIVEUNIT",
365 "USB-DRIVEUNIT", "*"},
62ade751 366 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 367 },
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368 {
369 /*
370 * Minolta Dimage E203
371 */
372 {T_DIRECT, SIP_MEDIA_REMOVABLE, "MINOLTA", "DiMAGE E203", "*"},
62ade751 373 /*quirks*/ DA_Q_NO_SYNC_CACHE
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374 },
375 {
376 /*
377 * Apacer HandyDrive
378 * PR: kern/43627
379 */
380 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Apacer", "HandyDrive", "*"},
62ade751 381 /*quirks*/ DA_Q_NO_SYNC_CACHE
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382 },
383 {
384 /*
385 * Daisy Technology PhotoClip on Zoran chip
386 * PR: kern/43580
387 */
388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ZORAN", "COACH", "*"},
62ade751 389 /*quirks*/ DA_Q_NO_SYNC_CACHE
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390 },
391 {
392 /*
393 * Sony USB Key-Storage
394 * PR: kern/46386
395 */
396 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Storage Media", "*"},
62ade751 397 /*quirks*/ DA_Q_NO_SYNC_CACHE
984263bc 398 },
62ade751 399#endif /* DA_OLD_QUIRKS */
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400 {
401 /*
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402 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
403 * PR: kern/51675
984263bc 404 */
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405 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
406 /*quirks*/ DA_Q_NO_SYNC_CACHE
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407 },
408 {
409 /*
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410 * Jungsoft NEXDISK USB flash key
411 * PR: kern/54737
984263bc 412 */
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413 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
414 /*quirks*/ DA_Q_NO_SYNC_CACHE
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415 },
416 {
417 /*
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418 * Creative Nomad MUVO mp3 player (USB)
419 * PR: kern/53094
984263bc 420 */
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421 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
422 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
984263bc 423 },
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424};
425
426static d_open_t daopen;
427static d_close_t daclose;
428static d_strategy_t dastrategy;
429static d_ioctl_t daioctl;
430static d_dump_t dadump;
431static periph_init_t dainit;
432static void daasync(void *callback_arg, u_int32_t code,
433 struct cam_path *path, void *arg);
62ade751 434static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
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435static periph_ctor_t daregister;
436static periph_dtor_t dacleanup;
437static periph_start_t dastart;
438static periph_oninv_t daoninvalidate;
439static void dadone(struct cam_periph *periph,
440 union ccb *done_ccb);
441static int daerror(union ccb *ccb, u_int32_t cam_flags,
442 u_int32_t sense_flags);
443static void daprevent(struct cam_periph *periph, int action);
444static void dasetgeom(struct cam_periph *periph,
445 struct scsi_read_capacity_data * rdcap);
446static timeout_t dasendorderedtag;
447static void dashutdown(void *arg, int howto);
448
449#ifndef DA_DEFAULT_TIMEOUT
450#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
451#endif
452
453#ifndef DA_DEFAULT_RETRY
454#define DA_DEFAULT_RETRY 4
455#endif
456
457static int da_retry_count = DA_DEFAULT_RETRY;
458static int da_default_timeout = DA_DEFAULT_TIMEOUT;
3690a379 459static struct callout dasendorderedtag_ch;
984263bc 460
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461SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
462 "CAM Direct Access Disk driver");
463SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
464 &da_retry_count, 0, "Normal I/O retry count");
62ade751 465TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
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466SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
467 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
62ade751 468TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
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469
470/*
471 * DA_ORDEREDTAG_INTERVAL determines how often, relative
472 * to the default timeout, we check to see whether an ordered
473 * tagged transaction is appropriate to prevent simple tag
474 * starvation. Since we'd like to ensure that there is at least
475 * 1/2 of the timeout length left for a starved transaction to
476 * complete after we've sent an ordered tag, we must poll at least
477 * four times in every timeout period. This takes care of the worst
478 * case where a starved transaction starts during an interval that
479 * meets the requirement "don't send an ordered tag" test so it takes
480 * us two intervals to determine that a tag must be sent.
481 */
482#ifndef DA_ORDEREDTAG_INTERVAL
483#define DA_ORDEREDTAG_INTERVAL 4
484#endif
485
486static struct periph_driver dadriver =
487{
488 dainit, "da",
489 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
490};
491
492DATA_SET(periphdriver_set, dadriver);
493
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494/* For 2.2-stable support */
495#ifndef D_DISK
496#define D_DISK 0
497#endif
498
499static struct cdevsw da_cdevsw = {
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500 /* name */ "da",
501 /* maj */ DA_CDEV_MAJOR,
502 /* flags */ D_DISK,
503 /* port */ NULL,
455fcd7e 504 /* clone */ NULL,
fabb8ceb 505
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506 /* open */ daopen,
507 /* close */ daclose,
508 /* read */ physread,
509 /* write */ physwrite,
510 /* ioctl */ daioctl,
511 /* poll */ nopoll,
512 /* mmap */ nommap,
513 /* strategy */ dastrategy,
984263bc 514 /* dump */ dadump,
fabb8ceb 515 /* psize */ nopsize
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516};
517
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518static SLIST_HEAD(,da_softc) softc_list;
519static struct extend_array *daperiphs;
520
521static int
41c20dac 522daopen(dev_t dev, int flags, int fmt, struct thread *td)
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523{
524 struct cam_periph *periph;
525 struct da_softc *softc;
526 struct disklabel *label;
527 int unit;
528 int part;
529 int error;
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530
531 unit = dkunit(dev);
532 part = dkpart(dev);
533 periph = cam_extend_get(daperiphs, unit);
534 if (periph == NULL)
535 return (ENXIO);
536
537 softc = (struct da_softc *)periph->softc;
538
539 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
540 ("daopen: dev=%s (unit %d , partition %d)\n", devtoname(dev),
541 unit, part));
542
377d4740 543 if ((error = cam_periph_lock(periph, PCATCH)) != 0) {
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544 return (error); /* error code from tsleep */
545 }
546
547 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
548 return(ENXIO);
549 softc->flags |= DA_FLAG_OPEN;
550
4e01b467 551 crit_enter();
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552 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
553 /* Invalidate our pack information. */
554 disk_invalidate(&softc->disk);
555 softc->flags &= ~DA_FLAG_PACK_INVALID;
556 }
4e01b467 557 crit_exit();
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558
559 /* Do a read capacity */
560 {
561 struct scsi_read_capacity_data *rcap;
562 union ccb *ccb;
563
898d961b 564 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
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565
566 ccb = cam_periph_getccb(periph, /*priority*/1);
567 scsi_read_capacity(&ccb->csio,
568 /*retries*/1,
569 /*cbfncp*/dadone,
570 MSG_SIMPLE_Q_TAG,
571 rcap,
572 SSD_FULL_SIZE,
573 /*timeout*/60000);
574 ccb->ccb_h.ccb_bp = NULL;
575
576 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
577 /*sense_flags*/SF_RETRY_UA |
578 SF_RETRY_SELTO,
579 &softc->device_stats);
580
581 xpt_release_ccb(ccb);
582
583 if (error == 0) {
584 dasetgeom(periph, rcap);
585 }
586
587 free(rcap, M_TEMP);
588 }
589
590 if (error == 0) {
591 struct ccb_getdev cgd;
592
593 /* Build label for whole disk. */
594 label = &softc->disk.d_label;
595 bzero(label, sizeof(*label));
596 label->d_type = DTYPE_SCSI;
597
598 /*
599 * Grab the inquiry data to get the vendor and product names.
600 * Put them in the typename and packname for the label.
601 */
602 xpt_setup_ccb(&cgd.ccb_h, periph->path, /*priority*/ 1);
603 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
604 xpt_action((union ccb *)&cgd);
605
606 strncpy(label->d_typename, cgd.inq_data.vendor,
607 min(SID_VENDOR_SIZE, sizeof(label->d_typename)));
608 strncpy(label->d_packname, cgd.inq_data.product,
609 min(SID_PRODUCT_SIZE, sizeof(label->d_packname)));
610
611 label->d_secsize = softc->params.secsize;
612 label->d_nsectors = softc->params.secs_per_track;
613 label->d_ntracks = softc->params.heads;
614 label->d_ncylinders = softc->params.cylinders;
615 label->d_secpercyl = softc->params.heads
616 * softc->params.secs_per_track;
617 label->d_secperunit = softc->params.sectors;
618
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619 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
620 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 621 daprevent(periph, PR_PREVENT);
984263bc
MD
622
623 /*
624 * Check to see whether or not the blocksize is set yet.
625 * If it isn't, set it and then clear the blocksize
626 * unavailable flag for the device statistics.
627 */
628 if ((softc->device_stats.flags & DEVSTAT_BS_UNAVAILABLE) != 0){
629 softc->device_stats.block_size = softc->params.secsize;
630 softc->device_stats.flags &= ~DEVSTAT_BS_UNAVAILABLE;
631 }
632 }
633
634 if (error != 0) {
62ade751
MD
635 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
636 (softc->quirks & DA_Q_NO_PREVENT) == 0)
984263bc 637 daprevent(periph, PR_ALLOW);
984263bc
MD
638 softc->flags &= ~DA_FLAG_OPEN;
639 cam_periph_release(periph);
640 }
641 cam_periph_unlock(periph);
642 return (error);
643}
644
645static int
41c20dac 646daclose(dev_t dev, int flag, int fmt, struct thread *td)
984263bc
MD
647{
648 struct cam_periph *periph;
649 struct da_softc *softc;
650 int unit;
651 int error;
652
653 unit = dkunit(dev);
654 periph = cam_extend_get(daperiphs, unit);
655 if (periph == NULL)
656 return (ENXIO);
657
658 softc = (struct da_softc *)periph->softc;
659
377d4740 660 if ((error = cam_periph_lock(periph, 0)) != 0) {
984263bc
MD
661 return (error); /* error code from tsleep */
662 }
663
664 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
665 union ccb *ccb;
666
667 ccb = cam_periph_getccb(periph, /*priority*/1);
668
669 scsi_synchronize_cache(&ccb->csio,
670 /*retries*/1,
671 /*cbfcnp*/dadone,
672 MSG_SIMPLE_Q_TAG,
673 /*begin_lba*/0,/* Cover the whole disk */
674 /*lb_count*/0,
675 SSD_FULL_SIZE,
676 5 * 60 * 1000);
677
678 cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
679 /*sense_flags*/SF_RETRY_UA,
680 &softc->device_stats);
681
682 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
683 if ((ccb->ccb_h.status & CAM_STATUS_MASK) ==
684 CAM_SCSI_STATUS_ERROR) {
685 int asc, ascq;
686 int sense_key, error_code;
687
688 scsi_extract_sense(&ccb->csio.sense_data,
689 &error_code,
690 &sense_key,
691 &asc, &ascq);
692 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
693 scsi_sense_print(&ccb->csio);
694 } else {
695 xpt_print_path(periph->path);
696 printf("Synchronize cache failed, status "
697 "== 0x%x, scsi status == 0x%x\n",
698 ccb->csio.ccb_h.status,
699 ccb->csio.scsi_status);
700 }
701 }
702
703 if ((ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
704 cam_release_devq(ccb->ccb_h.path,
705 /*relsim_flags*/0,
706 /*reduction*/0,
707 /*timeout*/0,
708 /*getcount_only*/0);
709
710 xpt_release_ccb(ccb);
711
712 }
713
714 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
62ade751
MD
715 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
716 daprevent(periph, PR_ALLOW);
984263bc
MD
717 /*
718 * If we've got removeable media, mark the blocksize as
719 * unavailable, since it could change when new media is
720 * inserted.
721 */
722 softc->device_stats.flags |= DEVSTAT_BS_UNAVAILABLE;
723 }
724
725 softc->flags &= ~DA_FLAG_OPEN;
726 cam_periph_unlock(periph);
727 cam_periph_release(periph);
728 return (0);
729}
730
731/*
732 * Actually translate the requested transfer into one the physical driver
733 * can understand. The transfer is described by a buf and will include
734 * only one physical transfer.
735 */
736static void
737dastrategy(struct buf *bp)
738{
739 struct cam_periph *periph;
740 struct da_softc *softc;
741 u_int unit;
742 u_int part;
984263bc
MD
743
744 unit = dkunit(bp->b_dev);
745 part = dkpart(bp->b_dev);
746 periph = cam_extend_get(daperiphs, unit);
747 if (periph == NULL) {
748 bp->b_error = ENXIO;
749 goto bad;
750 }
751 softc = (struct da_softc *)periph->softc;
752#if 0
753 /*
754 * check it's not too big a transfer for our adapter
755 */
756 scsi_minphys(bp,&sd_switch);
757#endif
758
759 /*
760 * Mask interrupts so that the pack cannot be invalidated until
761 * after we are in the queue. Otherwise, we might not properly
762 * clean up one of the buffers.
763 */
4e01b467 764 crit_enter();
984263bc
MD
765
766 /*
767 * If the device has been made invalid, error out
768 */
769 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
4e01b467 770 crit_exit();
984263bc
MD
771 bp->b_error = ENXIO;
772 goto bad;
773 }
774
775 /*
776 * Place it in the queue of disk activities for this disk
777 */
778 bufqdisksort(&softc->buf_queue, bp);
779
4e01b467 780 crit_exit();
984263bc
MD
781
782 /*
783 * Schedule ourselves for performing the work.
784 */
785 xpt_schedule(periph, /* XXX priority */1);
786
787 return;
788bad:
789 bp->b_flags |= B_ERROR;
790
791 /*
792 * Correctly set the buf to indicate a completed xfer
793 */
794 bp->b_resid = bp->b_bcount;
795 biodone(bp);
796 return;
797}
798
799/* For 2.2-stable support */
800#ifndef ENOIOCTL
801#define ENOIOCTL -1
802#endif
803
804static int
41c20dac 805daioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct thread *td)
984263bc
MD
806{
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
825 error = cam_periph_ioctl(periph, cmd, addr, daerror);
826
827 cam_periph_unlock(periph);
828
829 return (error);
830}
831
832static int
e4c9c0c8 833dadump(dev_t dev, u_int num, u_int blknum, u_int secsize)
984263bc
MD
834{
835 struct cam_periph *periph;
836 struct da_softc *softc;
837 u_int unit;
984263bc 838 long blkcnt;
62ade751 839 vm_paddr_t addr;
984263bc
MD
840 struct ccb_scsiio csio;
841 int dumppages = MAXDUMPPGS;
984263bc
MD
842 int i;
843
844 /* toss any characters present prior to dump */
845 while (cncheckc() != -1)
846 ;
847
848 unit = dkunit(dev);
984263bc
MD
849 periph = cam_extend_get(daperiphs, unit);
850 if (periph == NULL) {
851 return (ENXIO);
852 }
853 softc = (struct da_softc *)periph->softc;
854
855 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0)
856 return (ENXIO);
857
984263bc
MD
858 addr = 0; /* starting address */
859 blkcnt = howmany(PAGE_SIZE, secsize);
860
861 while (num > 0) {
862 caddr_t va = NULL;
863
864 if ((num / blkcnt) < dumppages)
865 dumppages = num / blkcnt;
866
867 for (i = 0; i < dumppages; ++i) {
62ade751 868 vm_paddr_t a = addr + (i * PAGE_SIZE);
984263bc
MD
869 if (is_physical_memory(a))
870 va = pmap_kenter_temporary(trunc_page(a), i);
871 else
872 va = pmap_kenter_temporary(trunc_page(0), i);
873 }
874
875 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
876 csio.ccb_h.ccb_state = DA_CCB_DUMP;
877 scsi_read_write(&csio,
878 /*retries*/1,
879 dadone,
880 MSG_ORDERED_Q_TAG,
881 /*read*/FALSE,
882 /*byte2*/0,
883 /*minimum_cmd_size*/ softc->minimum_cmd_size,
884 blknum,
885 blkcnt * dumppages,
886 /*data_ptr*/(u_int8_t *) va,
887 /*dxfer_len*/blkcnt * secsize * dumppages,
888 /*sense_len*/SSD_FULL_SIZE,
889 DA_DEFAULT_TIMEOUT * 1000);
890 xpt_polled_action((union ccb *)&csio);
891
892 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
893 printf("Aborting dump due to I/O error.\n");
894 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
895 CAM_SCSI_STATUS_ERROR)
896 scsi_sense_print(&csio);
897 else
898 printf("status == 0x%x, scsi status == 0x%x\n",
899 csio.ccb_h.status, csio.scsi_status);
900 return(EIO);
901 }
902
903 if (dumpstatus(addr, (off_t)num * softc->params.secsize) < 0)
904 return (EINTR);
905
906 /* update block count */
907 num -= blkcnt * dumppages;
908 blknum += blkcnt * dumppages;
909 addr += PAGE_SIZE * dumppages;
910 }
911
912 /*
913 * Sync the disk cache contents to the physical media.
914 */
915 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
916
917 xpt_setup_ccb(&csio.ccb_h, periph->path, /*priority*/1);
918 csio.ccb_h.ccb_state = DA_CCB_DUMP;
919 scsi_synchronize_cache(&csio,
920 /*retries*/1,
921 /*cbfcnp*/dadone,
922 MSG_SIMPLE_Q_TAG,
923 /*begin_lba*/0,/* Cover the whole disk */
924 /*lb_count*/0,
925 SSD_FULL_SIZE,
926 5 * 60 * 1000);
927 xpt_polled_action((union ccb *)&csio);
928
929 if ((csio.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
930 if ((csio.ccb_h.status & CAM_STATUS_MASK) ==
931 CAM_SCSI_STATUS_ERROR) {
932 int asc, ascq;
933 int sense_key, error_code;
934
935 scsi_extract_sense(&csio.sense_data,
936 &error_code,
937 &sense_key,
938 &asc, &ascq);
939 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
940 scsi_sense_print(&csio);
941 } else {
942 xpt_print_path(periph->path);
943 printf("Synchronize cache failed, status "
944 "== 0x%x, scsi status == 0x%x\n",
945 csio.ccb_h.status, csio.scsi_status);
946 }
947 }
948 }
949 return (0);
950}
951
952static void
953dainit(void)
954{
955 cam_status status;
956 struct cam_path *path;
957
958 /*
959 * Create our extend array for storing the devices we attach to.
960 */
961 daperiphs = cam_extend_new();
962 SLIST_INIT(&softc_list);
963 if (daperiphs == NULL) {
964 printf("da: Failed to alloc extend array!\n");
965 return;
966 }
3690a379
JS
967
968 callout_init(&dasendorderedtag_ch);
969
984263bc
MD
970 /*
971 * Install a global async callback. This callback will
972 * receive async callbacks like "new device found".
973 */
974 status = xpt_create_path(&path, /*periph*/NULL, CAM_XPT_PATH_ID,
975 CAM_TARGET_WILDCARD, CAM_LUN_WILDCARD);
976
977 if (status == CAM_REQ_CMP) {
978 struct ccb_setasync csa;
979
980 xpt_setup_ccb(&csa.ccb_h, path, /*priority*/5);
981 csa.ccb_h.func_code = XPT_SASYNC_CB;
982 csa.event_enable = AC_FOUND_DEVICE;
983 csa.callback = daasync;
984 csa.callback_arg = NULL;
985 xpt_action((union ccb *)&csa);
986 status = csa.ccb_h.status;
987 xpt_free_path(path);
988 }
989
990 if (status != CAM_REQ_CMP) {
991 printf("da: Failed to attach master async callback "
992 "due to status 0x%x!\n", status);
993 } else {
994
995 /*
996 * Schedule a periodic event to occasionally send an
997 * ordered tag to a device.
998 */
3690a379
JS
999 callout_reset(&dasendorderedtag_ch,
1000 (DA_DEFAULT_TIMEOUT * hz) / DA_ORDEREDTAG_INTERVAL,
1001 dasendorderedtag, NULL);
984263bc
MD
1002
1003 /* Register our shutdown event handler */
1004 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1005 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1006 printf("dainit: shutdown event registration failed!\n");
1007 }
1008}
1009
1010static void
1011daoninvalidate(struct cam_periph *periph)
1012{
984263bc
MD
1013 struct da_softc *softc;
1014 struct buf *q_bp;
1015 struct ccb_setasync csa;
1016
1017 softc = (struct da_softc *)periph->softc;
1018
1019 /*
1020 * De-register any async callbacks.
1021 */
1022 xpt_setup_ccb(&csa.ccb_h, periph->path,
1023 /* priority */ 5);
1024 csa.ccb_h.func_code = XPT_SASYNC_CB;
1025 csa.event_enable = 0;
1026 csa.callback = daasync;
1027 csa.callback_arg = periph;
1028 xpt_action((union ccb *)&csa);
1029
1030 softc->flags |= DA_FLAG_PACK_INVALID;
1031
1032 /*
4e01b467
MD
1033 * Use a critical section to keep the buffer queue from being
1034 * modified while we traverse it.
984263bc 1035 */
4e01b467 1036 crit_enter();
984263bc
MD
1037
1038 /*
1039 * Return all queued I/O with ENXIO.
1040 * XXX Handle any transactions queued to the card
1041 * with XPT_ABORT_CCB.
1042 */
1043 while ((q_bp = bufq_first(&softc->buf_queue)) != NULL){
1044 bufq_remove(&softc->buf_queue, q_bp);
1045 q_bp->b_resid = q_bp->b_bcount;
1046 q_bp->b_error = ENXIO;
1047 q_bp->b_flags |= B_ERROR;
1048 biodone(q_bp);
1049 }
4e01b467 1050 crit_exit();
984263bc
MD
1051
1052 SLIST_REMOVE(&softc_list, softc, da_softc, links);
1053
1054 xpt_print_path(periph->path);
1055 printf("lost device\n");
1056}
1057
1058static void
1059dacleanup(struct cam_periph *periph)
1060{
1061 struct da_softc *softc;
1062
1063 softc = (struct da_softc *)periph->softc;
1064
1065 devstat_remove_entry(&softc->device_stats);
1066 cam_extend_release(daperiphs, periph->unit_number);
1067 xpt_print_path(periph->path);
1068 printf("removing device entry\n");
62ade751
MD
1069 /*
1070 * If we can't free the sysctl tree, oh well...
1071 */
1072 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1073 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1074 xpt_print_path(periph->path);
1075 printf("can't remove sysctl context\n");
1076 }
e4c9c0c8 1077 if (softc->disk.d_rawdev) {
335dda38 1078 disk_destroy(&softc->disk);
984263bc
MD
1079 }
1080 free(softc, M_DEVBUF);
1081}
1082
1083static void
1084daasync(void *callback_arg, u_int32_t code,
1085 struct cam_path *path, void *arg)
1086{
1087 struct cam_periph *periph;
1088
1089 periph = (struct cam_periph *)callback_arg;
1090 switch (code) {
1091 case AC_FOUND_DEVICE:
1092 {
1093 struct ccb_getdev *cgd;
1094 cam_status status;
1095
1096 cgd = (struct ccb_getdev *)arg;
1097
1098 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1099 && SID_TYPE(&cgd->inq_data) != T_RBC
1100 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1101 break;
1102
1103 /*
1104 * Allocate a peripheral instance for
1105 * this device and start the probe
1106 * process.
1107 */
1108 status = cam_periph_alloc(daregister, daoninvalidate,
1109 dacleanup, dastart,
1110 "da", CAM_PERIPH_BIO,
1111 cgd->ccb_h.path, daasync,
1112 AC_FOUND_DEVICE, cgd);
1113
1114 if (status != CAM_REQ_CMP
1115 && status != CAM_REQ_INPROG)
1116 printf("daasync: Unable to attach to new device "
1117 "due to status 0x%x\n", status);
1118 break;
1119 }
1120 case AC_SENT_BDR:
1121 case AC_BUS_RESET:
1122 {
1123 struct da_softc *softc;
1124 struct ccb_hdr *ccbh;
984263bc
MD
1125
1126 softc = (struct da_softc *)periph->softc;
4e01b467 1127 crit_enter();
984263bc
MD
1128 /*
1129 * Don't fail on the expected unit attention
1130 * that will occur.
1131 */
1132 softc->flags |= DA_FLAG_RETRY_UA;
1133 for (ccbh = LIST_FIRST(&softc->pending_ccbs);
1134 ccbh != NULL; ccbh = LIST_NEXT(ccbh, periph_links.le))
1135 ccbh->ccb_state |= DA_CCB_RETRY_UA;
4e01b467 1136 crit_exit();
984263bc
MD
1137 /* FALLTHROUGH*/
1138 }
1139 default:
1140 cam_periph_async(periph, code, path, arg);
1141 break;
1142 }
1143}
1144
62ade751
MD
1145static void
1146dasysctlinit(void *context, int pending)
1147{
1148 struct cam_periph *periph;
1149 struct da_softc *softc;
1150 char tmpstr[80], tmpstr2[80];
1151
1152 periph = (struct cam_periph *)context;
1153 softc = (struct da_softc *)periph->softc;
1154
1155 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1156 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1157
1158 sysctl_ctx_init(&softc->sysctl_ctx);
1159 softc->flags |= DA_FLAG_SCTX_INIT;
1160 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1161 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1162 CTLFLAG_RD, 0, tmpstr);
1163 if (softc->sysctl_tree == NULL) {
1164 printf("dasysctlinit: unable to allocate sysctl tree\n");
1165 return;
1166 }
1167
1168 /*
1169 * Now register the sysctl handler, so the user can the value on
1170 * the fly.
1171 */
1172 SYSCTL_ADD_PROC(&softc->sysctl_ctx,SYSCTL_CHILDREN(softc->sysctl_tree),
1173 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1174 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1175 "Minimum CDB size");
1176}
1177
1178static int
1179dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1180{
1181 int error, value;
1182
1183 value = *(int *)arg1;
1184
1185 error = sysctl_handle_int(oidp, &value, 0, req);
1186
1187 if ((error != 0)
1188 || (req->newptr == NULL))
1189 return (error);
1190
1191 /*
1192 * Acceptable values here are 6, 10 or 12. It's possible we may
1193 * support a 16 byte minimum command size in the future, since
1194 * there are now READ(16) and WRITE(16) commands defined in the
1195 * SBC-2 spec.
1196 */
1197 if (value < 6)
1198 value = 6;
1199 else if ((value > 6)
1200 && (value <= 10))
1201 value = 10;
1202 else if (value > 10)
1203 value = 12;
1204
1205 *(int *)arg1 = value;
1206
1207 return (0);
1208}
1209
984263bc
MD
1210static cam_status
1211daregister(struct cam_periph *periph, void *arg)
1212{
984263bc
MD
1213 struct da_softc *softc;
1214 struct ccb_setasync csa;
62ade751 1215 struct ccb_pathinq cpi;
984263bc 1216 struct ccb_getdev *cgd;
62ade751 1217 char tmpstr[80];
984263bc
MD
1218 caddr_t match;
1219
1220 cgd = (struct ccb_getdev *)arg;
1221 if (periph == NULL) {
1222 printf("daregister: periph was NULL!!\n");
1223 return(CAM_REQ_CMP_ERR);
1224 }
1225
1226 if (cgd == NULL) {
1227 printf("daregister: no getdev CCB, can't register device\n");
1228 return(CAM_REQ_CMP_ERR);
1229 }
1230
ad86f6b6 1231 softc = malloc(sizeof(*softc), M_DEVBUF, M_INTWAIT | M_ZERO);
984263bc
MD
1232 LIST_INIT(&softc->pending_ccbs);
1233 softc->state = DA_STATE_PROBE;
1234 bufq_init(&softc->buf_queue);
1235 if (SID_IS_REMOVABLE(&cgd->inq_data))
1236 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1237 if ((cgd->inq_data.flags & SID_CmdQue) != 0)
1238 softc->flags |= DA_FLAG_TAGGED_QUEUING;
1239
1240 periph->softc = softc;
1241
1242 cam_extend_set(daperiphs, periph->unit_number, periph);
1243
1244 /*
1245 * See if this device has any quirks.
1246 */
1247 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1248 (caddr_t)da_quirk_table,
1249 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1250 sizeof(*da_quirk_table), scsi_inquiry_match);
1251
1252 if (match != NULL)
1253 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1254 else
1255 softc->quirks = DA_Q_NONE;
1256
62ade751
MD
1257 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1258
1259 /* Check if the SIM does not want 6 byte commands */
1260 xpt_setup_ccb(&cpi.ccb_h, periph->path, /*priority*/1);
1261 cpi.ccb_h.func_code = XPT_PATH_INQ;
1262 xpt_action((union ccb *)&cpi);
1263 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1264 softc->quirks |= DA_Q_NO_6_BYTE;
1265
1266 /*
1267 * RBC devices don't have to support READ(6), only READ(10).
1268 */
984263bc
MD
1269 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1270 softc->minimum_cmd_size = 10;
1271 else
1272 softc->minimum_cmd_size = 6;
1273
62ade751
MD
1274 /*
1275 * Load the user's default, if any.
1276 */
1277 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1278 periph->unit_number);
1279 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1280
1281 /*
1282 * 6, 10 and 12 are the currently permissible values.
1283 */
1284 if (softc->minimum_cmd_size < 6)
1285 softc->minimum_cmd_size = 6;
1286 else if ((softc->minimum_cmd_size > 6)
1287 && (softc->minimum_cmd_size <= 10))
1288 softc->minimum_cmd_size = 10;
1289 else if (softc->minimum_cmd_size > 12)
1290 softc->minimum_cmd_size = 12;
1291
984263bc
MD
1292 /*
1293 * Block our timeout handler while we
1294 * add this softc to the dev list.
1295 */
4e01b467 1296 crit_enter();
984263bc 1297 SLIST_INSERT_HEAD(&softc_list, softc, links);
4e01b467 1298 crit_exit();
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MD
1299
1300 /*
1301 * The DA driver supports a blocksize, but
1302 * we don't know the blocksize until we do
1303 * a read capacity. So, set a flag to
1304 * indicate that the blocksize is
1305 * unavailable right now. We'll clear the
1306 * flag as soon as we've done a read capacity.
1307 */
1308 devstat_add_entry(&softc->device_stats, "da",
1309 periph->unit_number, 0,
1310 DEVSTAT_BS_UNAVAILABLE,
1311 SID_TYPE(&cgd->inq_data) | DEVSTAT_TYPE_IF_SCSI,
1312 DEVSTAT_PRIORITY_DISK);
1313
1314 /*
1315 * Register this media as a disk
1316 */
335dda38 1317 disk_create(periph->unit_number, &softc->disk, 0, &da_cdevsw);
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MD
1318
1319 /*
1320 * Add async callbacks for bus reset and
1321 * bus device reset calls. I don't bother
1322 * checking if this fails as, in most cases,
1323 * the system will function just fine without
1324 * them and the only alternative would be to
1325 * not attach the device on failure.
1326 */
1327 xpt_setup_ccb(&csa.ccb_h, periph->path, /*priority*/5);
1328 csa.ccb_h.func_code = XPT_SASYNC_CB;
1329 csa.event_enable = AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE;
1330 csa.callback = daasync;
1331 csa.callback_arg = periph;
1332 xpt_action((union ccb *)&csa);
1333 /*
1334 * Lock this peripheral until we are setup.
1335 * This first call can't block
1336 */
377d4740 1337 (void)cam_periph_lock(periph, 0);
984263bc
MD
1338 xpt_schedule(periph, /*priority*/5);
1339
1340 return(CAM_REQ_CMP);
1341}
1342
1343static void
1344dastart(struct cam_periph *periph, union ccb *start_ccb)
1345{
1346 struct da_softc *softc;
1347
1348 softc = (struct da_softc *)periph->softc;
1349
1350
1351 switch (softc->state) {
1352 case DA_STATE_NORMAL:
1353 {
1354 /* Pull a buffer from the queue and get going on it */
1355 struct buf *bp;
984263bc
MD
1356
1357 /*
1358 * See if there is a buf with work for us to do..
1359 */
4e01b467 1360 crit_enter();
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MD
1361 bp = bufq_first(&softc->buf_queue);
1362 if (periph->immediate_priority <= periph->pinfo.priority) {
1363 CAM_DEBUG_PRINT(CAM_DEBUG_SUBTRACE,
1364 ("queuing for immediate ccb\n"));
1365 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
1366 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
1367 periph_links.sle);
1368 periph->immediate_priority = CAM_PRIORITY_NONE;
4e01b467 1369 crit_exit();
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MD
1370 wakeup(&periph->ccb_list);
1371 } else if (bp == NULL) {
4e01b467 1372 crit_exit();
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MD
1373 xpt_release_ccb(start_ccb);
1374 } else {
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MD
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 */
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MD
1408 LIST_INSERT_HEAD(&softc->pending_ccbs,
1409 &start_ccb->ccb_h, periph_links.le);
984263bc
MD
1410
1411 /* We expect a unit attention from this device */
1412 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
1413 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
1414 softc->flags &= ~DA_FLAG_RETRY_UA;
1415 }
1416
1417 start_ccb->ccb_h.ccb_bp = bp;
1418 bp = bufq_first(&softc->buf_queue);
4e01b467 1419 crit_exit();
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MD
1420
1421 xpt_action(start_ccb);
1422 }
1423
1424 if (bp != NULL) {
1425 /* Have more work to do, so ensure we stay scheduled */
1426 xpt_schedule(periph, /* XXX priority */1);
1427 }
1428 break;
1429 }
1430 case DA_STATE_PROBE:
1431 {
1432 struct ccb_scsiio *csio;
1433 struct scsi_read_capacity_data *rcap;
1434
898d961b 1435 rcap = malloc(sizeof(*rcap), M_TEMP, M_INTWAIT | M_ZERO);
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MD
1436 csio = &start_ccb->csio;
1437 scsi_read_capacity(csio,
1438 /*retries*/4,
1439 dadone,
1440 MSG_SIMPLE_Q_TAG,
1441 rcap,
1442 SSD_FULL_SIZE,
1443 /*timeout*/5000);
1444 start_ccb->ccb_h.ccb_bp = NULL;
1445 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE;
1446 xpt_action(start_ccb);
1447 break;
1448 }
1449 }
1450}
1451
1452static int
1453cmd6workaround(union ccb *ccb)
1454{
1455 struct scsi_rw_6 cmd6;
1456 struct scsi_rw_10 *cmd10;
1457 struct da_softc *softc;
1458 u_int8_t *cdb;
1459 int frozen;
1460
1461 cdb = ccb->csio.cdb_io.cdb_bytes;
1462
1463 /* Translation only possible if CDB is an array and cmd is R/W6 */
1464 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
1465 (*cdb != READ_6 && *cdb != WRITE_6))
1466 return 0;
1467
1468 xpt_print_path(ccb->ccb_h.path);
1469 printf("READ(6)/WRITE(6) not supported, "
1470 "increasing minimum_cmd_size to 10.\n");
1471 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
1472 softc->minimum_cmd_size = 10;
1473
1474 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
1475 cmd10 = (struct scsi_rw_10 *)cdb;
1476 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
1477 cmd10->byte2 = 0;
1478 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
1479 cmd10->reserved = 0;
1480 scsi_ulto2b(cmd6.length, cmd10->length);
1481 cmd10->control = cmd6.control;
1482 ccb->csio.cdb_len = sizeof(*cmd10);
1483
1484 /* Requeue request, unfreezing queue if necessary */
1485 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
1486 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1487 xpt_action(ccb);
1488 if (frozen) {
1489 cam_release_devq(ccb->ccb_h.path,
1490 /*relsim_flags*/0,
1491 /*reduction*/0,
1492 /*timeout*/0,
1493 /*getcount_only*/0);
1494 }
1495 return (ERESTART);
1496}
1497
1498static void
1499dadone(struct cam_periph *periph, union ccb *done_ccb)
1500{
1501 struct da_softc *softc;
1502 struct ccb_scsiio *csio;
1503
1504 softc = (struct da_softc *)periph->softc;
1505 csio = &done_ccb->csio;
1506 switch (csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK) {
1507 case DA_CCB_BUFFER_IO:
1508 {
1509 struct buf *bp;
984263bc
MD
1510
1511 bp = (struct buf *)done_ccb->ccb_h.ccb_bp;
1512 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1513 int error;
984263bc
MD
1514 int sf;
1515
1516 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
1517 sf = SF_RETRY_UA;
1518 else
1519 sf = 0;
1520
1521 /* Retry selection timeouts */
1522 sf |= SF_RETRY_SELTO;
1523
1524 if ((error = daerror(done_ccb, 0, sf)) == ERESTART) {
1525 /*
1526 * A retry was scheuled, so
1527 * just return.
1528 */
1529 return;
1530 }
1531 if (error != 0) {
1532 struct buf *q_bp;
1533
4e01b467 1534 crit_enter();
984263bc
MD
1535
1536 if (error == ENXIO) {
1537 /*
1538 * Catastrophic error. Mark our pack as
1539 * invalid.
1540 */
1541 /* XXX See if this is really a media
1542 * change first.
1543 */
1544 xpt_print_path(periph->path);
1545 printf("Invalidating pack\n");
1546 softc->flags |= DA_FLAG_PACK_INVALID;
1547 }
1548
1549 /*
1550 * return all queued I/O with EIO, so that
1551 * the client can retry these I/Os in the
1552 * proper order should it attempt to recover.
1553 */
1554 while ((q_bp = bufq_first(&softc->buf_queue))
1555 != NULL) {
1556 bufq_remove(&softc->buf_queue, q_bp);
1557 q_bp->b_resid = q_bp->b_bcount;
1558 q_bp->b_error = EIO;
1559 q_bp->b_flags |= B_ERROR;
1560 biodone(q_bp);
1561 }
4e01b467 1562 crit_exit();
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MD
1563 bp->b_error = error;
1564 bp->b_resid = bp->b_bcount;
1565 bp->b_flags |= B_ERROR;
1566 } else {
1567 bp->b_resid = csio->resid;
1568 bp->b_error = 0;
62ade751 1569 if (bp->b_resid != 0)
984263bc 1570 bp->b_flags |= B_ERROR;
984263bc
MD
1571 }
1572 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
1573 cam_release_devq(done_ccb->ccb_h.path,
1574 /*relsim_flags*/0,
1575 /*reduction*/0,
1576 /*timeout*/0,
1577 /*getcount_only*/0);
1578 } else {
1579 bp->b_resid = csio->resid;
62ade751 1580 if (csio->resid > 0)
984263bc 1581 bp->b_flags |= B_ERROR;
984263bc
MD
1582 }
1583
1584 /*
1585 * Block out any asyncronous callbacks
1586 * while we touch the pending ccb list.
1587 */
4e01b467 1588 crit_enter();
984263bc 1589 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
4e01b467 1590 crit_exit();
984263bc
MD
1591
1592 if (softc->device_stats.busy_count == 0)
1593 softc->flags |= DA_FLAG_WENT_IDLE;
1594
1595 devstat_end_transaction_buf(&softc->device_stats, bp);
1596 biodone(bp);
1597 break;
1598 }
1599 case DA_CCB_PROBE:
1600 {
1601 struct scsi_read_capacity_data *rdcap;
1602 char announce_buf[80];
1603
1604 rdcap = (struct scsi_read_capacity_data *)csio->data_ptr;
1605
1606 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
1607 struct disk_params *dp;
1608
1609 dasetgeom(periph, rdcap);
1610 dp = &softc->params;
1611 snprintf(announce_buf, sizeof(announce_buf),
1612 "%luMB (%u %u byte sectors: %dH %dS/T %dC)",
1613 (unsigned long) (((u_int64_t)dp->secsize *
1614 dp->sectors) / (1024*1024)), dp->sectors,
1615 dp->secsize, dp->heads, dp->secs_per_track,
1616 dp->cylinders);
1617 } else {
1618 int error;
1619
1620 announce_buf[0] = '\0';
1621
1622 /*
1623 * Retry any UNIT ATTENTION type errors. They
1624 * are expected at boot.
1625 */
1626 error = daerror(done_ccb, 0, SF_RETRY_UA |
1627 SF_RETRY_SELTO | SF_NO_PRINT);
1628 if (error == ERESTART) {
1629 /*
1630 * A retry was scheuled, so
1631 * just return.
1632 */
1633 return;
1634 } else if (error != 0) {
1635 struct scsi_sense_data *sense;
1636 int asc, ascq;
1637 int sense_key, error_code;
1638 int have_sense;
1639 cam_status status;
1640 struct ccb_getdev cgd;
1641
1642 /* Don't wedge this device's queue */
1643 cam_release_devq(done_ccb->ccb_h.path,
1644 /*relsim_flags*/0,
1645 /*reduction*/0,
1646 /*timeout*/0,
1647 /*getcount_only*/0);
1648
1649 status = done_ccb->ccb_h.status;
1650
1651 xpt_setup_ccb(&cgd.ccb_h,
1652 done_ccb->ccb_h.path,
1653 /* priority */ 1);
1654 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
1655 xpt_action((union ccb *)&cgd);
1656
1657 if (((csio->ccb_h.flags & CAM_SENSE_PHYS) != 0)
1658 || ((csio->ccb_h.flags & CAM_SENSE_PTR) != 0)
1659 || ((status & CAM_AUTOSNS_VALID) == 0))
1660 have_sense = FALSE;
1661 else
1662 have_sense = TRUE;
1663
1664 if (have_sense) {
1665 sense = &csio->sense_data;
1666 scsi_extract_sense(sense, &error_code,
1667 &sense_key,
1668 &asc, &ascq);
1669 }
1670 /*
1671 * Attach to anything that claims to be a
1672 * direct access or optical disk device,
1673 * as long as it doesn't return a "Logical
1674 * unit not supported" (0x25) error.
1675 */
1676 if ((have_sense) && (asc != 0x25)
1677 && (error_code == SSD_CURRENT_ERROR))
1678 snprintf(announce_buf,
1679 sizeof(announce_buf),
1680 "Attempt to query device "
1681 "size failed: %s, %s",
1682 scsi_sense_key_text[sense_key],
1683 scsi_sense_desc(asc,ascq,
1684 &cgd.inq_data));
1685 else {
1686 if (have_sense)
1687 scsi_sense_print(
1688 &done_ccb->csio);
1689 else {
1690 xpt_print_path(periph->path);
1691 printf("got CAM status %#x\n",
1692 done_ccb->ccb_h.status);
1693 }
1694
1695 xpt_print_path(periph->path);
1696 printf("fatal error, failed"
1697 " to attach to device\n");
1698
1699 /*
1700 * Free up resources.
1701 */
1702 cam_periph_invalidate(periph);
1703 }
1704 }
1705 }
1706 free(rdcap, M_TEMP);
62ade751 1707 if (announce_buf[0] != '\0') {
984263bc 1708 xpt_announce_periph(periph, announce_buf);
62ade751
MD
1709 /*
1710 * Create our sysctl variables, now that we know
1711 * we have successfully attached.
1712 */
1713 taskqueue_enqueue(taskqueue_thread,&softc->sysctl_task);
1714 }
984263bc
MD
1715 softc->state = DA_STATE_NORMAL;
1716 /*
1717 * Since our peripheral may be invalidated by an error
1718 * above or an external event, we must release our CCB
1719 * before releasing the probe lock on the peripheral.
1720 * The peripheral will only go away once the last lock
1721 * is removed, and we need it around for the CCB release
1722 * operation.
1723 */
1724 xpt_release_ccb(done_ccb);
1725 cam_periph_unlock(periph);
1726 return;
1727 }
1728 case DA_CCB_WAITING:
1729 {
1730 /* Caller will release the CCB */
1731 wakeup(&done_ccb->ccb_h.cbfcnp);
1732 return;
1733 }
1734 case DA_CCB_DUMP:
1735 /* No-op. We're polling */
1736 return;
1737 default:
1738 break;
1739 }
1740 xpt_release_ccb(done_ccb);
1741}
1742
1743static int
1744daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
1745{
1746 struct da_softc *softc;
1747 struct cam_periph *periph;
62ade751 1748 int error;
984263bc
MD
1749
1750 periph = xpt_path_periph(ccb->ccb_h.path);
1751 softc = (struct da_softc *)periph->softc;
1752
1753 /*
1754 * Automatically detect devices that do not support
1755 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
1756 */
1757 error = 0;
62ade751
MD
1758 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
1759 error = cmd6workaround(ccb);
1760 } else if (((ccb->ccb_h.status & CAM_STATUS_MASK) ==
1761 CAM_SCSI_STATUS_ERROR)
1762 && (ccb->ccb_h.status & CAM_AUTOSNS_VALID)
1763 && (ccb->csio.scsi_status == SCSI_STATUS_CHECK_COND)
1764 && ((ccb->ccb_h.flags & CAM_SENSE_PHYS) == 0)
1765 && ((ccb->ccb_h.flags & CAM_SENSE_PTR) == 0)) {
1766 int sense_key, error_code, asc, ascq;
1767
984263bc
MD
1768 scsi_extract_sense(&ccb->csio.sense_data,
1769 &error_code, &sense_key, &asc, &ascq);
1770 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
1771 error = cmd6workaround(ccb);
1772 }
1773 if (error == ERESTART)
1774 return (ERESTART);
1775
1776 /*
1777 * XXX
1778 * Until we have a better way of doing pack validation,
1779 * don't treat UAs as errors.
1780 */
1781 sense_flags |= SF_RETRY_UA;
1782 return(cam_periph_error(ccb, cam_flags, sense_flags,
1783 &softc->saved_ccb));
1784}
1785
1786static void
1787daprevent(struct cam_periph *periph, int action)
1788{
1789 struct da_softc *softc;
1790 union ccb *ccb;
1791 int error;
1792
1793 softc = (struct da_softc *)periph->softc;
1794
1795 if (((action == PR_ALLOW)
1796 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
1797 || ((action == PR_PREVENT)
1798 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
1799 return;
1800 }
1801
1802 ccb = cam_periph_getccb(periph, /*priority*/1);
1803
1804 scsi_prevent(&ccb->csio,
1805 /*retries*/1,
1806 /*cbcfp*/dadone,
1807 MSG_SIMPLE_Q_TAG,
1808 action,
1809 SSD_FULL_SIZE,
1810 5000);
1811
1812 error = cam_periph_runccb(ccb, /*error_routine*/NULL, /*cam_flags*/0,
1813 /*sense_flags*/0, &softc->device_stats);
1814
1815 if (error == 0) {
1816 if (action == PR_ALLOW)
1817 softc->flags &= ~DA_FLAG_PACK_LOCKED;
1818 else
1819 softc->flags |= DA_FLAG_PACK_LOCKED;
1820 }
1821
1822 xpt_release_ccb(ccb);
1823}
1824
1825static void
1826dasetgeom(struct cam_periph *periph, struct scsi_read_capacity_data * rdcap)
1827{
1828 struct ccb_calc_geometry ccg;
1829 struct da_softc *softc;
1830 struct disk_params *dp;
1831
1832 softc = (struct da_softc *)periph->softc;
1833
1834 dp = &softc->params;
1835 dp->secsize = scsi_4btoul(rdcap->length);
1836 dp->sectors = scsi_4btoul(rdcap->addr) + 1;
1837 /*
1838 * Have the controller provide us with a geometry
1839 * for this disk. The only time the geometry
1840 * matters is when we boot and the controller
1841 * is the only one knowledgeable enough to come
1842 * up with something that will make this a bootable
1843 * device.
1844 */
1845 xpt_setup_ccb(&ccg.ccb_h, periph->path, /*priority*/1);
1846 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
1847 ccg.block_size = dp->secsize;
1848 ccg.volume_size = dp->sectors;
1849 ccg.heads = 0;
1850 ccg.secs_per_track = 0;
1851 ccg.cylinders = 0;
1852 xpt_action((union ccb*)&ccg);
1853 dp->heads = ccg.heads;
1854 dp->secs_per_track = ccg.secs_per_track;
1855 dp->cylinders = ccg.cylinders;
1856}
1857
1858static void
1859dasendorderedtag(void *arg)
1860{
1861 struct da_softc *softc;
984263bc
MD
1862
1863 for (softc = SLIST_FIRST(&softc_list);
1864 softc != NULL;
1865 softc = SLIST_NEXT(softc, links)) {
4e01b467 1866 crit_enter();
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MD
1867 if ((softc->ordered_tag_count == 0)
1868 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
1869 softc->flags |= DA_FLAG_NEED_OTAG;
1870 }
1871 if (softc->device_stats.busy_count > 0)
1872 softc->flags &= ~DA_FLAG_WENT_IDLE;
1873
1874 softc->ordered_tag_count = 0;
4e01b467 1875 crit_exit();
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MD
1876 }
1877 /* Queue us up again */
3690a379
JS
1878 callout_reset(&dasendorderedtag_ch,
1879 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
1880 dasendorderedtag, NULL);
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MD
1881}
1882
1883/*
1884 * Step through all DA peripheral drivers, and if the device is still open,
1885 * sync the disk cache to physical media.
1886 */
1887static void
1888dashutdown(void * arg, int howto)
1889{
1890 struct cam_periph *periph;
1891 struct da_softc *softc;
1892
1893 for (periph = TAILQ_FIRST(&dadriver.units); periph != NULL;
1894 periph = TAILQ_NEXT(periph, unit_links)) {
1895 union ccb ccb;
1896 softc = (struct da_softc *)periph->softc;
1897
1898 /*
1899 * We only sync the cache if the drive is still open, and
1900 * if the drive is capable of it..
1901 */
1902 if (((softc->flags & DA_FLAG_OPEN) == 0)
1903 || (softc->quirks & DA_Q_NO_SYNC_CACHE))
1904 continue;
1905
1906 xpt_setup_ccb(&ccb.ccb_h, periph->path, /*priority*/1);
1907
1908 ccb.ccb_h.ccb_state = DA_CCB_DUMP;
1909 scsi_synchronize_cache(&ccb.csio,
1910 /*retries*/1,
1911 /*cbfcnp*/dadone,
1912 MSG_SIMPLE_Q_TAG,
1913 /*begin_lba*/0, /* whole disk */
1914 /*lb_count*/0,
1915 SSD_FULL_SIZE,
1916 5 * 60 * 1000);
1917
1918 xpt_polled_action(&ccb);
1919
1920 if ((ccb.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1921 if (((ccb.ccb_h.status & CAM_STATUS_MASK) ==
1922 CAM_SCSI_STATUS_ERROR)
1923 && (ccb.csio.scsi_status == SCSI_STATUS_CHECK_COND)){
1924 int error_code, sense_key, asc, ascq;
1925
1926 scsi_extract_sense(&ccb.csio.sense_data,
1927 &error_code, &sense_key,
1928 &asc, &ascq);
1929
1930 if (sense_key != SSD_KEY_ILLEGAL_REQUEST)
1931 scsi_sense_print(&ccb.csio);
1932 } else {
1933 xpt_print_path(periph->path);
1934 printf("Synchronize cache failed, status "
1935 "== 0x%x, scsi status == 0x%x\n",
1936 ccb.ccb_h.status, ccb.csio.scsi_status);
1937 }
1938 }
1939
1940 if ((ccb.ccb_h.status & CAM_DEV_QFRZN) != 0)
1941 cam_release_devq(ccb.ccb_h.path,
1942 /*relsim_flags*/0,
1943 /*reduction*/0,
1944 /*timeout*/0,
1945 /*getcount_only*/0);
1946
1947 }
1948}
1949
1950#else /* !_KERNEL */
1951
1952/*
1953 * XXX This is only left out of the kernel build to silence warnings. If,
1954 * for some reason this function is used in the kernel, the ifdefs should
1955 * be moved so it is included both in the kernel and userland.
1956 */
1957void
1958scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
1959 void (*cbfcnp)(struct cam_periph *, union ccb *),
1960 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
1961 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
1962 u_int32_t timeout)
1963{
1964 struct scsi_format_unit *scsi_cmd;
1965
1966 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
1967 scsi_cmd->opcode = FORMAT_UNIT;
1968 scsi_cmd->byte2 = byte2;
1969 scsi_ulto2b(ileave, scsi_cmd->interleave);
1970
1971 cam_fill_csio(csio,
1972 retries,
1973 cbfcnp,
1974 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
1975 tag_action,
1976 data_ptr,
1977 dxfer_len,
1978 sense_len,
1979 sizeof(*scsi_cmd),
1980 timeout);
1981}
1982
1983#endif /* _KERNEL */