FreeBSD/Linux Kernel Cross Reference
sys/cam/scsi/scsi_da.c
1 /*-
2 * Implementation of SCSI Direct Access Peripheral driver for CAM.
3 *
4 * Copyright (c) 1997 Justin T. Gibbs.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions, and the following disclaimer,
12 * without modification, immediately at the beginning of the file.
13 * 2. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
20 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <sys/cdefs.h>
30 __FBSDID("$FreeBSD: releng/10.4/sys/cam/scsi/scsi_da.c 311402 2017-01-05 11:20:31Z mav $");
31
32 #include <sys/param.h>
33
34 #ifdef _KERNEL
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/bio.h>
38 #include <sys/sysctl.h>
39 #include <sys/taskqueue.h>
40 #include <sys/lock.h>
41 #include <sys/mutex.h>
42 #include <sys/conf.h>
43 #include <sys/devicestat.h>
44 #include <sys/eventhandler.h>
45 #include <sys/malloc.h>
46 #include <sys/cons.h>
47 #include <sys/endian.h>
48 #include <sys/proc.h>
49 #include <geom/geom.h>
50 #include <geom/geom_disk.h>
51 #endif /* _KERNEL */
52
53 #ifndef _KERNEL
54 #include <stdio.h>
55 #include <string.h>
56 #endif /* _KERNEL */
57
58 #include <cam/cam.h>
59 #include <cam/cam_ccb.h>
60 #include <cam/cam_periph.h>
61 #include <cam/cam_xpt_periph.h>
62 #include <cam/cam_sim.h>
63
64 #include <cam/scsi/scsi_message.h>
65
66 #ifndef _KERNEL
67 #include <cam/scsi/scsi_da.h>
68 #endif /* !_KERNEL */
69
70 #ifdef _KERNEL
71 typedef enum {
72 DA_STATE_PROBE_RC,
73 DA_STATE_PROBE_RC16,
74 DA_STATE_PROBE_LBP,
75 DA_STATE_PROBE_BLK_LIMITS,
76 DA_STATE_PROBE_BDC,
77 DA_STATE_PROBE_ATA,
78 DA_STATE_NORMAL
79 } da_state;
80
81 typedef enum {
82 DA_FLAG_PACK_INVALID = 0x001,
83 DA_FLAG_NEW_PACK = 0x002,
84 DA_FLAG_PACK_LOCKED = 0x004,
85 DA_FLAG_PACK_REMOVABLE = 0x008,
86 DA_FLAG_NEED_OTAG = 0x020,
87 DA_FLAG_WAS_OTAG = 0x040,
88 DA_FLAG_RETRY_UA = 0x080,
89 DA_FLAG_OPEN = 0x100,
90 DA_FLAG_SCTX_INIT = 0x200,
91 DA_FLAG_CAN_RC16 = 0x400,
92 DA_FLAG_PROBED = 0x800,
93 DA_FLAG_DIRTY = 0x1000,
94 DA_FLAG_ANNOUNCED = 0x2000
95 } da_flags;
96
97 typedef enum {
98 DA_Q_NONE = 0x00,
99 DA_Q_NO_SYNC_CACHE = 0x01,
100 DA_Q_NO_6_BYTE = 0x02,
101 DA_Q_NO_PREVENT = 0x04,
102 DA_Q_4K = 0x08,
103 DA_Q_NO_RC16 = 0x10,
104 DA_Q_NO_UNMAP = 0x20,
105 DA_Q_RETRY_BUSY = 0x40
106 } da_quirks;
107
108 #define DA_Q_BIT_STRING \
109 "\020" \
110 "\001NO_SYNC_CACHE" \
111 "\002NO_6_BYTE" \
112 "\003NO_PREVENT" \
113 "\0044K" \
114 "\005NO_RC16" \
115 "\006NO_UNMAP" \
116 "\007RETRY_BUSY"
117
118 typedef enum {
119 DA_CCB_PROBE_RC = 0x01,
120 DA_CCB_PROBE_RC16 = 0x02,
121 DA_CCB_PROBE_LBP = 0x03,
122 DA_CCB_PROBE_BLK_LIMITS = 0x04,
123 DA_CCB_PROBE_BDC = 0x05,
124 DA_CCB_PROBE_ATA = 0x06,
125 DA_CCB_BUFFER_IO = 0x07,
126 DA_CCB_DUMP = 0x0A,
127 DA_CCB_DELETE = 0x0B,
128 DA_CCB_TUR = 0x0C,
129 DA_CCB_TYPE_MASK = 0x0F,
130 DA_CCB_RETRY_UA = 0x10
131 } da_ccb_state;
132
133 /*
134 * Order here is important for method choice
135 *
136 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
137 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
138 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
139 * import taking 5mins.
140 *
141 */
142 typedef enum {
143 DA_DELETE_NONE,
144 DA_DELETE_DISABLE,
145 DA_DELETE_ATA_TRIM,
146 DA_DELETE_UNMAP,
147 DA_DELETE_WS16,
148 DA_DELETE_WS10,
149 DA_DELETE_ZERO,
150 DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
151 DA_DELETE_MAX = DA_DELETE_ZERO
152 } da_delete_methods;
153
154 typedef void da_delete_func_t (struct cam_periph *periph, union ccb *ccb,
155 struct bio *bp);
156 static da_delete_func_t da_delete_trim;
157 static da_delete_func_t da_delete_unmap;
158 static da_delete_func_t da_delete_ws;
159
160 static const void * da_delete_functions[] = {
161 NULL,
162 NULL,
163 da_delete_trim,
164 da_delete_unmap,
165 da_delete_ws,
166 da_delete_ws,
167 da_delete_ws
168 };
169
170 static const char *da_delete_method_names[] =
171 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
172 static const char *da_delete_method_desc[] =
173 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
174 "WRITE SAME(10) with UNMAP", "ZERO" };
175
176 /* Offsets into our private area for storing information */
177 #define ccb_state ppriv_field0
178 #define ccb_bp ppriv_ptr1
179
180 struct disk_params {
181 u_int8_t heads;
182 u_int32_t cylinders;
183 u_int8_t secs_per_track;
184 u_int32_t secsize; /* Number of bytes/sector */
185 u_int64_t sectors; /* total number sectors */
186 u_int stripesize;
187 u_int stripeoffset;
188 };
189
190 #define UNMAP_RANGE_MAX 0xffffffff
191 #define UNMAP_HEAD_SIZE 8
192 #define UNMAP_RANGE_SIZE 16
193 #define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */
194 #define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
195 UNMAP_HEAD_SIZE)
196
197 #define WS10_MAX_BLKS 0xffff
198 #define WS16_MAX_BLKS 0xffffffff
199 #define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \
200 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
201
202 struct da_softc {
203 struct bio_queue_head bio_queue;
204 struct bio_queue_head delete_queue;
205 struct bio_queue_head delete_run_queue;
206 LIST_HEAD(, ccb_hdr) pending_ccbs;
207 int tur; /* TEST UNIT READY should be sent */
208 int refcount; /* Active xpt_action() calls */
209 da_state state;
210 da_flags flags;
211 da_quirks quirks;
212 int sort_io_queue;
213 int minimum_cmd_size;
214 int error_inject;
215 int trim_max_ranges;
216 int delete_running;
217 int delete_available; /* Delete methods possibly available */
218 u_int maxio;
219 uint32_t unmap_max_ranges;
220 uint32_t unmap_max_lba; /* Max LBAs in UNMAP req */
221 uint64_t ws_max_blks;
222 da_delete_methods delete_method_pref;
223 da_delete_methods delete_method;
224 da_delete_func_t *delete_func;
225 struct disk_params params;
226 struct disk *disk;
227 union ccb saved_ccb;
228 struct task sysctl_task;
229 struct sysctl_ctx_list sysctl_ctx;
230 struct sysctl_oid *sysctl_tree;
231 struct callout sendordered_c;
232 uint64_t wwpn;
233 uint8_t unmap_buf[UNMAP_BUF_SIZE];
234 struct scsi_read_capacity_data_long rcaplong;
235 struct callout mediapoll_c;
236 };
237
238 #define dadeleteflag(softc, delete_method, enable) \
239 if (enable) { \
240 softc->delete_available |= (1 << delete_method); \
241 } else { \
242 softc->delete_available &= ~(1 << delete_method); \
243 }
244
245 struct da_quirk_entry {
246 struct scsi_inquiry_pattern inq_pat;
247 da_quirks quirks;
248 };
249
250 static const char quantum[] = "QUANTUM";
251 static const char microp[] = "MICROP";
252
253 static struct da_quirk_entry da_quirk_table[] =
254 {
255 /* SPI, FC devices */
256 {
257 /*
258 * Fujitsu M2513A MO drives.
259 * Tested devices: M2513A2 firmware versions 1200 & 1300.
260 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
261 * Reported by: W.Scholten <whs@xs4all.nl>
262 */
263 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
264 /*quirks*/ DA_Q_NO_SYNC_CACHE
265 },
266 {
267 /* See above. */
268 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
269 /*quirks*/ DA_Q_NO_SYNC_CACHE
270 },
271 {
272 /*
273 * This particular Fujitsu drive doesn't like the
274 * synchronize cache command.
275 * Reported by: Tom Jackson <toj@gorilla.net>
276 */
277 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
278 /*quirks*/ DA_Q_NO_SYNC_CACHE
279 },
280 {
281 /*
282 * This drive doesn't like the synchronize cache command
283 * either. Reported by: Matthew Jacob <mjacob@feral.com>
284 * in NetBSD PR kern/6027, August 24, 1998.
285 */
286 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
287 /*quirks*/ DA_Q_NO_SYNC_CACHE
288 },
289 {
290 /*
291 * This drive doesn't like the synchronize cache command
292 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
293 * (PR 8882).
294 */
295 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
296 /*quirks*/ DA_Q_NO_SYNC_CACHE
297 },
298 {
299 /*
300 * Doesn't like the synchronize cache command.
301 * Reported by: Blaz Zupan <blaz@gold.amis.net>
302 */
303 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
304 /*quirks*/ DA_Q_NO_SYNC_CACHE
305 },
306 {
307 /*
308 * Doesn't like the synchronize cache command.
309 * Reported by: Blaz Zupan <blaz@gold.amis.net>
310 */
311 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "MAVERICK 540S", "*"},
312 /*quirks*/ DA_Q_NO_SYNC_CACHE
313 },
314 {
315 /*
316 * Doesn't like the synchronize cache command.
317 */
318 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
319 /*quirks*/ DA_Q_NO_SYNC_CACHE
320 },
321 {
322 /*
323 * Doesn't like the synchronize cache command.
324 * Reported by: walter@pelissero.de
325 */
326 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
327 /*quirks*/ DA_Q_NO_SYNC_CACHE
328 },
329 {
330 /*
331 * Doesn't work correctly with 6 byte reads/writes.
332 * Returns illegal request, and points to byte 9 of the
333 * 6-byte CDB.
334 * Reported by: Adam McDougall <bsdx@spawnet.com>
335 */
336 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
337 /*quirks*/ DA_Q_NO_6_BYTE
338 },
339 {
340 /* See above. */
341 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
342 /*quirks*/ DA_Q_NO_6_BYTE
343 },
344 {
345 /*
346 * Doesn't like the synchronize cache command.
347 * Reported by: walter@pelissero.de
348 */
349 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
350 /*quirks*/ DA_Q_NO_SYNC_CACHE
351 },
352 {
353 /*
354 * The CISS RAID controllers do not support SYNC_CACHE
355 */
356 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
357 /*quirks*/ DA_Q_NO_SYNC_CACHE
358 },
359 {
360 /*
361 * The STEC SSDs sometimes hang on UNMAP.
362 */
363 {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "*", "*"},
364 /*quirks*/ DA_Q_NO_UNMAP
365 },
366 {
367 /*
368 * VMware returns BUSY status when storage has transient
369 * connectivity problems, so better wait.
370 */
371 {T_DIRECT, SIP_MEDIA_FIXED, "VMware*", "*", "*"},
372 /*quirks*/ DA_Q_RETRY_BUSY
373 },
374 /* USB mass storage devices supported by umass(4) */
375 {
376 /*
377 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
378 * PR: kern/51675
379 */
380 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
381 /*quirks*/ DA_Q_NO_SYNC_CACHE
382 },
383 {
384 /*
385 * Power Quotient Int. (PQI) USB flash key
386 * PR: kern/53067
387 */
388 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
389 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
390 },
391 {
392 /*
393 * Creative Nomad MUVO mp3 player (USB)
394 * PR: kern/53094
395 */
396 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
397 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
398 },
399 {
400 /*
401 * Jungsoft NEXDISK USB flash key
402 * PR: kern/54737
403 */
404 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
405 /*quirks*/ DA_Q_NO_SYNC_CACHE
406 },
407 {
408 /*
409 * FreeDik USB Mini Data Drive
410 * PR: kern/54786
411 */
412 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
413 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
414 },
415 {
416 /*
417 * Sigmatel USB Flash MP3 Player
418 * PR: kern/57046
419 */
420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
421 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
422 },
423 {
424 /*
425 * Neuros USB Digital Audio Computer
426 * PR: kern/63645
427 */
428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
429 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
430 },
431 {
432 /*
433 * SEAGRAND NP-900 MP3 Player
434 * PR: kern/64563
435 */
436 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
437 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
438 },
439 {
440 /*
441 * iRiver iFP MP3 player (with UMS Firmware)
442 * PR: kern/54881, i386/63941, kern/66124
443 */
444 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
445 /*quirks*/ DA_Q_NO_SYNC_CACHE
446 },
447 {
448 /*
449 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
450 * PR: kern/70158
451 */
452 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
453 /*quirks*/ DA_Q_NO_SYNC_CACHE
454 },
455 {
456 /*
457 * ZICPlay USB MP3 Player with FM
458 * PR: kern/75057
459 */
460 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
461 /*quirks*/ DA_Q_NO_SYNC_CACHE
462 },
463 {
464 /*
465 * TEAC USB floppy mechanisms
466 */
467 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
468 /*quirks*/ DA_Q_NO_SYNC_CACHE
469 },
470 {
471 /*
472 * Kingston DataTraveler II+ USB Pen-Drive.
473 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
474 */
475 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
476 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
477 },
478 {
479 /*
480 * USB DISK Pro PMAP
481 * Reported by: jhs
482 * PR: usb/96381
483 */
484 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
485 /*quirks*/ DA_Q_NO_SYNC_CACHE
486 },
487 {
488 /*
489 * Motorola E398 Mobile Phone (TransFlash memory card).
490 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
491 * PR: usb/89889
492 */
493 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
494 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
495 },
496 {
497 /*
498 * Qware BeatZkey! Pro
499 * PR: usb/79164
500 */
501 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
502 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
503 },
504 {
505 /*
506 * Time DPA20B 1GB MP3 Player
507 * PR: usb/81846
508 */
509 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
510 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
511 },
512 {
513 /*
514 * Samsung USB key 128Mb
515 * PR: usb/90081
516 */
517 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
518 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
519 },
520 {
521 /*
522 * Kingston DataTraveler 2.0 USB Flash memory.
523 * PR: usb/89196
524 */
525 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
526 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
527 },
528 {
529 /*
530 * Creative MUVO Slim mp3 player (USB)
531 * PR: usb/86131
532 */
533 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
534 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
535 },
536 {
537 /*
538 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
539 * PR: usb/80487
540 */
541 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
542 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
543 },
544 {
545 /*
546 * SanDisk Micro Cruzer 128MB
547 * PR: usb/75970
548 */
549 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
550 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
551 },
552 {
553 /*
554 * TOSHIBA TransMemory USB sticks
555 * PR: kern/94660
556 */
557 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
558 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
559 },
560 {
561 /*
562 * PNY USB 3.0 Flash Drives
563 */
564 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PNY", "USB 3.0 FD*",
565 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_RC16
566 },
567 {
568 /*
569 * PNY USB Flash keys
570 * PR: usb/75578, usb/72344, usb/65436
571 */
572 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
573 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
574 },
575 {
576 /*
577 * Genesys 6-in-1 Card Reader
578 * PR: usb/94647
579 */
580 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
581 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
582 },
583 {
584 /*
585 * Rekam Digital CAMERA
586 * PR: usb/98713
587 */
588 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
589 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
590 },
591 {
592 /*
593 * iRiver H10 MP3 player
594 * PR: usb/102547
595 */
596 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
597 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
598 },
599 {
600 /*
601 * iRiver U10 MP3 player
602 * PR: usb/92306
603 */
604 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
605 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
606 },
607 {
608 /*
609 * X-Micro Flash Disk
610 * PR: usb/96901
611 */
612 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
613 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
614 },
615 {
616 /*
617 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
618 * PR: usb/96546
619 */
620 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
621 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
622 },
623 {
624 /*
625 * Denver MP3 player
626 * PR: usb/107101
627 */
628 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
629 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
630 },
631 {
632 /*
633 * Philips USB Key Audio KEY013
634 * PR: usb/68412
635 */
636 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
637 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
638 },
639 {
640 /*
641 * JNC MP3 Player
642 * PR: usb/94439
643 */
644 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
645 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
646 },
647 {
648 /*
649 * SAMSUNG MP0402H
650 * PR: usb/108427
651 */
652 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
653 /*quirks*/ DA_Q_NO_SYNC_CACHE
654 },
655 {
656 /*
657 * I/O Magic USB flash - Giga Bank
658 * PR: usb/108810
659 */
660 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
661 /*quirks*/ DA_Q_NO_SYNC_CACHE
662 },
663 {
664 /*
665 * JoyFly 128mb USB Flash Drive
666 * PR: 96133
667 */
668 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
669 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
670 },
671 {
672 /*
673 * ChipsBnk usb stick
674 * PR: 103702
675 */
676 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
677 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
678 },
679 {
680 /*
681 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
682 * PR: 129858
683 */
684 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
685 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
686 },
687 {
688 /*
689 * Samsung YP-U3 mp3-player
690 * PR: 125398
691 */
692 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
693 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
694 },
695 {
696 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
697 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
698 },
699 {
700 /*
701 * Sony Cyber-Shot DSC cameras
702 * PR: usb/137035
703 */
704 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
705 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
706 },
707 {
708 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
709 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
710 },
711 {
712 /* At least several Transcent USB sticks lie on RC16. */
713 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JetFlash", "Transcend*",
714 "*"}, /*quirks*/ DA_Q_NO_RC16
715 },
716 {
717 /*
718 * I-O Data USB Flash Disk
719 * PR: usb/211716
720 */
721 {T_DIRECT, SIP_MEDIA_REMOVABLE, "I-O DATA", "USB Flash Disk*",
722 "*"}, /*quirks*/ DA_Q_NO_RC16
723 },
724 /* ATA/SATA devices over SAS/USB/... */
725 {
726 /* Hitachi Advanced Format (4k) drives */
727 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
728 /*quirks*/DA_Q_4K
729 },
730 {
731 /* Samsung Advanced Format (4k) drives */
732 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
733 /*quirks*/DA_Q_4K
734 },
735 {
736 /* Samsung Advanced Format (4k) drives */
737 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
738 /*quirks*/DA_Q_4K
739 },
740 {
741 /* Samsung Advanced Format (4k) drives */
742 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
743 /*quirks*/DA_Q_4K
744 },
745 {
746 /* Samsung Advanced Format (4k) drives */
747 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
748 /*quirks*/DA_Q_4K
749 },
750 {
751 /* Seagate Barracuda Green Advanced Format (4k) drives */
752 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
753 /*quirks*/DA_Q_4K
754 },
755 {
756 /* Seagate Barracuda Green Advanced Format (4k) drives */
757 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
758 /*quirks*/DA_Q_4K
759 },
760 {
761 /* Seagate Barracuda Green Advanced Format (4k) drives */
762 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
763 /*quirks*/DA_Q_4K
764 },
765 {
766 /* Seagate Barracuda Green Advanced Format (4k) drives */
767 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
768 /*quirks*/DA_Q_4K
769 },
770 {
771 /* Seagate Barracuda Green Advanced Format (4k) drives */
772 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
773 /*quirks*/DA_Q_4K
774 },
775 {
776 /* Seagate Barracuda Green Advanced Format (4k) drives */
777 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
778 /*quirks*/DA_Q_4K
779 },
780 {
781 /* Seagate Momentus Advanced Format (4k) drives */
782 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
783 /*quirks*/DA_Q_4K
784 },
785 {
786 /* Seagate Momentus Advanced Format (4k) drives */
787 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
788 /*quirks*/DA_Q_4K
789 },
790 {
791 /* Seagate Momentus Advanced Format (4k) drives */
792 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
793 /*quirks*/DA_Q_4K
794 },
795 {
796 /* Seagate Momentus Advanced Format (4k) drives */
797 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
798 /*quirks*/DA_Q_4K
799 },
800 {
801 /* Seagate Momentus Advanced Format (4k) drives */
802 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
803 /*quirks*/DA_Q_4K
804 },
805 {
806 /* Seagate Momentus Advanced Format (4k) drives */
807 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
808 /*quirks*/DA_Q_4K
809 },
810 {
811 /* Seagate Momentus Advanced Format (4k) drives */
812 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
813 /*quirks*/DA_Q_4K
814 },
815 {
816 /* Seagate Momentus Advanced Format (4k) drives */
817 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
818 /*quirks*/DA_Q_4K
819 },
820 {
821 /* Seagate Momentus Advanced Format (4k) drives */
822 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
823 /*quirks*/DA_Q_4K
824 },
825 {
826 /* Seagate Momentus Advanced Format (4k) drives */
827 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
828 /*quirks*/DA_Q_4K
829 },
830 {
831 /* Seagate Momentus Advanced Format (4k) drives */
832 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
833 /*quirks*/DA_Q_4K
834 },
835 {
836 /* Seagate Momentus Advanced Format (4k) drives */
837 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
838 /*quirks*/DA_Q_4K
839 },
840 {
841 /* Seagate Momentus Advanced Format (4k) drives */
842 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
843 /*quirks*/DA_Q_4K
844 },
845 {
846 /* Seagate Momentus Advanced Format (4k) drives */
847 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
848 /*quirks*/DA_Q_4K
849 },
850 {
851 /* Seagate Momentus Thin Advanced Format (4k) drives */
852 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
853 /*quirks*/DA_Q_4K
854 },
855 {
856 /* Seagate Momentus Thin Advanced Format (4k) drives */
857 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
858 /*quirks*/DA_Q_4K
859 },
860 {
861 /* WDC Caviar Green Advanced Format (4k) drives */
862 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
863 /*quirks*/DA_Q_4K
864 },
865 {
866 /* WDC Caviar Green Advanced Format (4k) drives */
867 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
868 /*quirks*/DA_Q_4K
869 },
870 {
871 /* WDC Caviar Green Advanced Format (4k) drives */
872 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
873 /*quirks*/DA_Q_4K
874 },
875 {
876 /* WDC Caviar Green Advanced Format (4k) drives */
877 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
878 /*quirks*/DA_Q_4K
879 },
880 {
881 /* WDC Caviar Green Advanced Format (4k) drives */
882 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
883 /*quirks*/DA_Q_4K
884 },
885 {
886 /* WDC Caviar Green Advanced Format (4k) drives */
887 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
888 /*quirks*/DA_Q_4K
889 },
890 {
891 /* WDC Caviar Green Advanced Format (4k) drives */
892 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
893 /*quirks*/DA_Q_4K
894 },
895 {
896 /* WDC Caviar Green Advanced Format (4k) drives */
897 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
898 /*quirks*/DA_Q_4K
899 },
900 {
901 /* WDC Scorpio Black Advanced Format (4k) drives */
902 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
903 /*quirks*/DA_Q_4K
904 },
905 {
906 /* WDC Scorpio Black Advanced Format (4k) drives */
907 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
908 /*quirks*/DA_Q_4K
909 },
910 {
911 /* WDC Scorpio Black Advanced Format (4k) drives */
912 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
913 /*quirks*/DA_Q_4K
914 },
915 {
916 /* WDC Scorpio Black Advanced Format (4k) drives */
917 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
918 /*quirks*/DA_Q_4K
919 },
920 {
921 /* WDC Scorpio Blue Advanced Format (4k) drives */
922 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
923 /*quirks*/DA_Q_4K
924 },
925 {
926 /* WDC Scorpio Blue Advanced Format (4k) drives */
927 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
928 /*quirks*/DA_Q_4K
929 },
930 {
931 /* WDC Scorpio Blue Advanced Format (4k) drives */
932 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
933 /*quirks*/DA_Q_4K
934 },
935 {
936 /* WDC Scorpio Blue Advanced Format (4k) drives */
937 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
938 /*quirks*/DA_Q_4K
939 },
940 {
941 /*
942 * Olympus FE-210 camera
943 */
944 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
945 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
946 },
947 {
948 /*
949 * LG UP3S MP3 player
950 */
951 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
952 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
953 },
954 {
955 /*
956 * Laser MP3-2GA13 MP3 player
957 */
958 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
959 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
960 },
961 {
962 /*
963 * LaCie external 250GB Hard drive des by Porsche
964 * Submitted by: Ben Stuyts <ben@altesco.nl>
965 * PR: 121474
966 */
967 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
968 /*quirks*/ DA_Q_NO_SYNC_CACHE
969 },
970 /* SATA SSDs */
971 {
972 /*
973 * Corsair Force 2 SSDs
974 * 4k optimised & trim only works in 4k requests + 4k aligned
975 */
976 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair CSSD-F*", "*" },
977 /*quirks*/DA_Q_4K
978 },
979 {
980 /*
981 * Corsair Force 3 SSDs
982 * 4k optimised & trim only works in 4k requests + 4k aligned
983 */
984 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force 3*", "*" },
985 /*quirks*/DA_Q_4K
986 },
987 {
988 /*
989 * Corsair Neutron GTX SSDs
990 * 4k optimised & trim only works in 4k requests + 4k aligned
991 */
992 { T_DIRECT, SIP_MEDIA_FIXED, "*", "Corsair Neutron GTX*", "*" },
993 /*quirks*/DA_Q_4K
994 },
995 {
996 /*
997 * Corsair Force GT & GS SSDs
998 * 4k optimised & trim only works in 4k requests + 4k aligned
999 */
1000 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Corsair Force G*", "*" },
1001 /*quirks*/DA_Q_4K
1002 },
1003 {
1004 /*
1005 * Crucial M4 SSDs
1006 * 4k optimised & trim only works in 4k requests + 4k aligned
1007 */
1008 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "M4-CT???M4SSD2*", "*" },
1009 /*quirks*/DA_Q_4K
1010 },
1011 {
1012 /*
1013 * Crucial RealSSD C300 SSDs
1014 * 4k optimised
1015 */
1016 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "C300-CTFDDAC???MAG*",
1017 "*" }, /*quirks*/DA_Q_4K
1018 },
1019 {
1020 /*
1021 * Intel 320 Series SSDs
1022 * 4k optimised & trim only works in 4k requests + 4k aligned
1023 */
1024 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2CW*", "*" },
1025 /*quirks*/DA_Q_4K
1026 },
1027 {
1028 /*
1029 * Intel 330 Series SSDs
1030 * 4k optimised & trim only works in 4k requests + 4k aligned
1031 */
1032 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2CT*", "*" },
1033 /*quirks*/DA_Q_4K
1034 },
1035 {
1036 /*
1037 * Intel 510 Series SSDs
1038 * 4k optimised & trim only works in 4k requests + 4k aligned
1039 */
1040 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2MH*", "*" },
1041 /*quirks*/DA_Q_4K
1042 },
1043 {
1044 /*
1045 * Intel 520 Series SSDs
1046 * 4k optimised & trim only works in 4k requests + 4k aligned
1047 */
1048 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSC2BW*", "*" },
1049 /*quirks*/DA_Q_4K
1050 },
1051 {
1052 /*
1053 * Intel X25-M Series SSDs
1054 * 4k optimised & trim only works in 4k requests + 4k aligned
1055 */
1056 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "INTEL SSDSA2M*", "*" },
1057 /*quirks*/DA_Q_4K
1058 },
1059 {
1060 /*
1061 * Kingston E100 Series SSDs
1062 * 4k optimised & trim only works in 4k requests + 4k aligned
1063 */
1064 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SE100S3*", "*" },
1065 /*quirks*/DA_Q_4K
1066 },
1067 {
1068 /*
1069 * Kingston HyperX 3k SSDs
1070 * 4k optimised & trim only works in 4k requests + 4k aligned
1071 */
1072 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "KINGSTON SH103S3*", "*" },
1073 /*quirks*/DA_Q_4K
1074 },
1075 {
1076 /*
1077 * Marvell SSDs (entry taken from OpenSolaris)
1078 * 4k optimised & trim only works in 4k requests + 4k aligned
1079 */
1080 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "MARVELL SD88SA02*", "*" },
1081 /*quirks*/DA_Q_4K
1082 },
1083 {
1084 /*
1085 * OCZ Agility 2 SSDs
1086 * 4k optimised & trim only works in 4k requests + 4k aligned
1087 */
1088 { T_DIRECT, SIP_MEDIA_FIXED, "*", "OCZ-AGILITY2*", "*" },
1089 /*quirks*/DA_Q_4K
1090 },
1091 {
1092 /*
1093 * OCZ Agility 3 SSDs
1094 * 4k optimised & trim only works in 4k requests + 4k aligned
1095 */
1096 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-AGILITY3*", "*" },
1097 /*quirks*/DA_Q_4K
1098 },
1099 {
1100 /*
1101 * OCZ Deneva R Series SSDs
1102 * 4k optimised & trim only works in 4k requests + 4k aligned
1103 */
1104 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "DENRSTE251M45*", "*" },
1105 /*quirks*/DA_Q_4K
1106 },
1107 {
1108 /*
1109 * OCZ Vertex 2 SSDs (inc pro series)
1110 * 4k optimised & trim only works in 4k requests + 4k aligned
1111 */
1112 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ?VERTEX2*", "*" },
1113 /*quirks*/DA_Q_4K
1114 },
1115 {
1116 /*
1117 * OCZ Vertex 3 SSDs
1118 * 4k optimised & trim only works in 4k requests + 4k aligned
1119 */
1120 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX3*", "*" },
1121 /*quirks*/DA_Q_4K
1122 },
1123 {
1124 /*
1125 * OCZ Vertex 4 SSDs
1126 * 4k optimised & trim only works in 4k requests + 4k aligned
1127 */
1128 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "OCZ-VERTEX4*", "*" },
1129 /*quirks*/DA_Q_4K
1130 },
1131 {
1132 /*
1133 * Samsung 830 Series SSDs
1134 * 4k optimised & trim only works in 4k requests + 4k aligned
1135 */
1136 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG SSD 830 Series*", "*" },
1137 /*quirks*/DA_Q_4K
1138 },
1139 {
1140 /*
1141 * Samsung 840 SSDs
1142 * 4k optimised & trim only works in 4k requests + 4k aligned
1143 */
1144 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 840*", "*" },
1145 /*quirks*/DA_Q_4K
1146 },
1147 {
1148 /*
1149 * Samsung 850 SSDs
1150 * 4k optimised & trim only works in 4k requests + 4k aligned
1151 */
1152 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "Samsung SSD 850*", "*" },
1153 /*quirks*/DA_Q_4K
1154 },
1155 {
1156 /*
1157 * Samsung 843T Series SSDs (MZ7WD*)
1158 * Samsung PM851 Series SSDs (MZ7TE*)
1159 * Samsung PM853T Series SSDs (MZ7GE*)
1160 * Samsung SM863 Series SSDs (MZ7KM*)
1161 * 4k optimised
1162 */
1163 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG MZ7*", "*" },
1164 /*quirks*/DA_Q_4K
1165 },
1166 {
1167 /*
1168 * SuperTalent TeraDrive CT SSDs
1169 * 4k optimised & trim only works in 4k requests + 4k aligned
1170 */
1171 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "FTM??CT25H*", "*" },
1172 /*quirks*/DA_Q_4K
1173 },
1174 {
1175 /*
1176 * XceedIOPS SATA SSDs
1177 * 4k optimised
1178 */
1179 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SG9XCS2D*", "*" },
1180 /*quirks*/DA_Q_4K
1181 },
1182 {
1183 /*
1184 * Hama Innostor USB-Stick
1185 */
1186 { T_DIRECT, SIP_MEDIA_REMOVABLE, "Innostor", "Innostor*", "*" },
1187 /*quirks*/DA_Q_NO_RC16
1188 },
1189 {
1190 /*
1191 * MX-ES USB Drive by Mach Xtreme
1192 */
1193 { T_DIRECT, SIP_MEDIA_REMOVABLE, "MX", "MXUB3*", "*"},
1194 /*quirks*/DA_Q_NO_RC16
1195 },
1196 };
1197
1198 static disk_strategy_t dastrategy;
1199 static dumper_t dadump;
1200 static periph_init_t dainit;
1201 static void daasync(void *callback_arg, u_int32_t code,
1202 struct cam_path *path, void *arg);
1203 static void dasysctlinit(void *context, int pending);
1204 static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
1205 static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
1206 static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
1207 static void dadeletemethodset(struct da_softc *softc,
1208 da_delete_methods delete_method);
1209 static off_t dadeletemaxsize(struct da_softc *softc,
1210 da_delete_methods delete_method);
1211 static void dadeletemethodchoose(struct da_softc *softc,
1212 da_delete_methods default_method);
1213 static void daprobedone(struct cam_periph *periph, union ccb *ccb);
1214
1215 static periph_ctor_t daregister;
1216 static periph_dtor_t dacleanup;
1217 static periph_start_t dastart;
1218 static periph_oninv_t daoninvalidate;
1219 static void dadone(struct cam_periph *periph,
1220 union ccb *done_ccb);
1221 static int daerror(union ccb *ccb, u_int32_t cam_flags,
1222 u_int32_t sense_flags);
1223 static void daprevent(struct cam_periph *periph, int action);
1224 static void dareprobe(struct cam_periph *periph);
1225 static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
1226 uint64_t maxsector,
1227 struct scsi_read_capacity_data_long *rcaplong,
1228 size_t rcap_size);
1229 static timeout_t dasendorderedtag;
1230 static void dashutdown(void *arg, int howto);
1231 static timeout_t damediapoll;
1232
1233 #ifndef DA_DEFAULT_POLL_PERIOD
1234 #define DA_DEFAULT_POLL_PERIOD 3
1235 #endif
1236
1237 #ifndef DA_DEFAULT_TIMEOUT
1238 #define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
1239 #endif
1240
1241 #ifndef DA_DEFAULT_RETRY
1242 #define DA_DEFAULT_RETRY 4
1243 #endif
1244
1245 #ifndef DA_DEFAULT_SEND_ORDERED
1246 #define DA_DEFAULT_SEND_ORDERED 1
1247 #endif
1248
1249 #define DA_SIO (softc->sort_io_queue >= 0 ? \
1250 softc->sort_io_queue : cam_sort_io_queues)
1251
1252 static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
1253 static int da_retry_count = DA_DEFAULT_RETRY;
1254 static int da_default_timeout = DA_DEFAULT_TIMEOUT;
1255 static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
1256
1257 static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
1258 "CAM Direct Access Disk driver");
1259 SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
1260 &da_poll_period, 0, "Media polling period in seconds");
1261 TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
1262 SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
1263 &da_retry_count, 0, "Normal I/O retry count");
1264 TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
1265 SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
1266 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
1267 TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
1268 SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
1269 &da_send_ordered, 0, "Send Ordered Tags");
1270 TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
1271
1272 /*
1273 * DA_ORDEREDTAG_INTERVAL determines how often, relative
1274 * to the default timeout, we check to see whether an ordered
1275 * tagged transaction is appropriate to prevent simple tag
1276 * starvation. Since we'd like to ensure that there is at least
1277 * 1/2 of the timeout length left for a starved transaction to
1278 * complete after we've sent an ordered tag, we must poll at least
1279 * four times in every timeout period. This takes care of the worst
1280 * case where a starved transaction starts during an interval that
1281 * meets the requirement "don't send an ordered tag" test so it takes
1282 * us two intervals to determine that a tag must be sent.
1283 */
1284 #ifndef DA_ORDEREDTAG_INTERVAL
1285 #define DA_ORDEREDTAG_INTERVAL 4
1286 #endif
1287
1288 static struct periph_driver dadriver =
1289 {
1290 dainit, "da",
1291 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
1292 };
1293
1294 PERIPHDRIVER_DECLARE(da, dadriver);
1295
1296 static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1297
1298 static int
1299 daopen(struct disk *dp)
1300 {
1301 struct cam_periph *periph;
1302 struct da_softc *softc;
1303 int error;
1304
1305 periph = (struct cam_periph *)dp->d_drv1;
1306 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1307 return (ENXIO);
1308 }
1309
1310 cam_periph_lock(periph);
1311 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1312 cam_periph_unlock(periph);
1313 cam_periph_release(periph);
1314 return (error);
1315 }
1316
1317 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1318 ("daopen\n"));
1319
1320 softc = (struct da_softc *)periph->softc;
1321 dareprobe(periph);
1322
1323 /* Wait for the disk size update. */
1324 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1325 "dareprobe", 0);
1326 if (error != 0)
1327 xpt_print(periph->path, "unable to retrieve capacity data\n");
1328
1329 if (periph->flags & CAM_PERIPH_INVALID)
1330 error = ENXIO;
1331
1332 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1333 (softc->quirks & DA_Q_NO_PREVENT) == 0)
1334 daprevent(periph, PR_PREVENT);
1335
1336 if (error == 0) {
1337 softc->flags &= ~DA_FLAG_PACK_INVALID;
1338 softc->flags |= DA_FLAG_OPEN;
1339 }
1340
1341 cam_periph_unhold(periph);
1342 cam_periph_unlock(periph);
1343
1344 if (error != 0)
1345 cam_periph_release(periph);
1346
1347 return (error);
1348 }
1349
1350 static int
1351 daclose(struct disk *dp)
1352 {
1353 struct cam_periph *periph;
1354 struct da_softc *softc;
1355 union ccb *ccb;
1356 int error;
1357
1358 periph = (struct cam_periph *)dp->d_drv1;
1359 softc = (struct da_softc *)periph->softc;
1360 cam_periph_lock(periph);
1361 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1362 ("daclose\n"));
1363
1364 if (cam_periph_hold(periph, PRIBIO) == 0) {
1365
1366 /* Flush disk cache. */
1367 if ((softc->flags & DA_FLAG_DIRTY) != 0 &&
1368 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0 &&
1369 (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1370 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1371 scsi_synchronize_cache(&ccb->csio, /*retries*/1,
1372 /*cbfcnp*/dadone, MSG_SIMPLE_Q_TAG,
1373 /*begin_lba*/0, /*lb_count*/0, SSD_FULL_SIZE,
1374 5 * 60 * 1000);
1375 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1376 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1377 softc->disk->d_devstat);
1378 softc->flags &= ~DA_FLAG_DIRTY;
1379 xpt_release_ccb(ccb);
1380 }
1381
1382 /* Allow medium removal. */
1383 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1384 (softc->quirks & DA_Q_NO_PREVENT) == 0)
1385 daprevent(periph, PR_ALLOW);
1386
1387 cam_periph_unhold(periph);
1388 }
1389
1390 /*
1391 * If we've got removeable media, mark the blocksize as
1392 * unavailable, since it could change when new media is
1393 * inserted.
1394 */
1395 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0)
1396 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1397
1398 softc->flags &= ~DA_FLAG_OPEN;
1399 while (softc->refcount != 0)
1400 cam_periph_sleep(periph, &softc->refcount, PRIBIO, "daclose", 1);
1401 cam_periph_unlock(periph);
1402 cam_periph_release(periph);
1403 return (0);
1404 }
1405
1406 static void
1407 daschedule(struct cam_periph *periph)
1408 {
1409 struct da_softc *softc = (struct da_softc *)periph->softc;
1410
1411 if (softc->state != DA_STATE_NORMAL)
1412 return;
1413
1414 /* Check if we have more work to do. */
1415 if (bioq_first(&softc->bio_queue) ||
1416 (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1417 softc->tur) {
1418 xpt_schedule(periph, CAM_PRIORITY_NORMAL);
1419 }
1420 }
1421
1422 /*
1423 * Actually translate the requested transfer into one the physical driver
1424 * can understand. The transfer is described by a buf and will include
1425 * only one physical transfer.
1426 */
1427 static void
1428 dastrategy(struct bio *bp)
1429 {
1430 struct cam_periph *periph;
1431 struct da_softc *softc;
1432
1433 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1434 softc = (struct da_softc *)periph->softc;
1435
1436 cam_periph_lock(periph);
1437
1438 /*
1439 * If the device has been made invalid, error out
1440 */
1441 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1442 cam_periph_unlock(periph);
1443 biofinish(bp, NULL, ENXIO);
1444 return;
1445 }
1446
1447 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1448
1449 /*
1450 * Place it in the queue of disk activities for this disk
1451 */
1452 if (bp->bio_cmd == BIO_DELETE) {
1453 bioq_disksort(&softc->delete_queue, bp);
1454 } else if (DA_SIO) {
1455 bioq_disksort(&softc->bio_queue, bp);
1456 } else {
1457 bioq_insert_tail(&softc->bio_queue, bp);
1458 }
1459
1460 /*
1461 * Schedule ourselves for performing the work.
1462 */
1463 daschedule(periph);
1464 cam_periph_unlock(periph);
1465
1466 return;
1467 }
1468
1469 static int
1470 dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1471 {
1472 struct cam_periph *periph;
1473 struct da_softc *softc;
1474 u_int secsize;
1475 struct ccb_scsiio csio;
1476 struct disk *dp;
1477 int error = 0;
1478
1479 dp = arg;
1480 periph = dp->d_drv1;
1481 softc = (struct da_softc *)periph->softc;
1482 cam_periph_lock(periph);
1483 secsize = softc->params.secsize;
1484
1485 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1486 cam_periph_unlock(periph);
1487 return (ENXIO);
1488 }
1489
1490 if (length > 0) {
1491 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1492 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1493 scsi_read_write(&csio,
1494 /*retries*/0,
1495 dadone,
1496 MSG_ORDERED_Q_TAG,
1497 /*read*/SCSI_RW_WRITE,
1498 /*byte2*/0,
1499 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1500 offset / secsize,
1501 length / secsize,
1502 /*data_ptr*/(u_int8_t *) virtual,
1503 /*dxfer_len*/length,
1504 /*sense_len*/SSD_FULL_SIZE,
1505 da_default_timeout * 1000);
1506 xpt_polled_action((union ccb *)&csio);
1507
1508 error = cam_periph_error((union ccb *)&csio,
1509 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1510 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1511 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1512 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1513 if (error != 0)
1514 printf("Aborting dump due to I/O error.\n");
1515 cam_periph_unlock(periph);
1516 return (error);
1517 }
1518
1519 /*
1520 * Sync the disk cache contents to the physical media.
1521 */
1522 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1523
1524 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1525 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1526 scsi_synchronize_cache(&csio,
1527 /*retries*/0,
1528 /*cbfcnp*/dadone,
1529 MSG_SIMPLE_Q_TAG,
1530 /*begin_lba*/0,/* Cover the whole disk */
1531 /*lb_count*/0,
1532 SSD_FULL_SIZE,
1533 5 * 60 * 1000);
1534 xpt_polled_action((union ccb *)&csio);
1535
1536 error = cam_periph_error((union ccb *)&csio,
1537 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1538 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1539 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1540 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1541 if (error != 0)
1542 xpt_print(periph->path, "Synchronize cache failed\n");
1543 }
1544 cam_periph_unlock(periph);
1545 return (error);
1546 }
1547
1548 static int
1549 dagetattr(struct bio *bp)
1550 {
1551 int ret;
1552 struct cam_periph *periph;
1553
1554 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1555 cam_periph_lock(periph);
1556 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1557 periph->path);
1558 cam_periph_unlock(periph);
1559 if (ret == 0)
1560 bp->bio_completed = bp->bio_length;
1561 return ret;
1562 }
1563
1564 static void
1565 dainit(void)
1566 {
1567 cam_status status;
1568
1569 /*
1570 * Install a global async callback. This callback will
1571 * receive async callbacks like "new device found".
1572 */
1573 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1574
1575 if (status != CAM_REQ_CMP) {
1576 printf("da: Failed to attach master async callback "
1577 "due to status 0x%x!\n", status);
1578 } else if (da_send_ordered) {
1579
1580 /* Register our shutdown event handler */
1581 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1582 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1583 printf("dainit: shutdown event registration failed!\n");
1584 }
1585 }
1586
1587 /*
1588 * Callback from GEOM, called when it has finished cleaning up its
1589 * resources.
1590 */
1591 static void
1592 dadiskgonecb(struct disk *dp)
1593 {
1594 struct cam_periph *periph;
1595
1596 periph = (struct cam_periph *)dp->d_drv1;
1597 cam_periph_release(periph);
1598 }
1599
1600 static void
1601 daoninvalidate(struct cam_periph *periph)
1602 {
1603 struct da_softc *softc;
1604
1605 softc = (struct da_softc *)periph->softc;
1606
1607 /*
1608 * De-register any async callbacks.
1609 */
1610 xpt_register_async(0, daasync, periph, periph->path);
1611
1612 softc->flags |= DA_FLAG_PACK_INVALID;
1613
1614 /*
1615 * Return all queued I/O with ENXIO.
1616 * XXX Handle any transactions queued to the card
1617 * with XPT_ABORT_CCB.
1618 */
1619 bioq_flush(&softc->bio_queue, NULL, ENXIO);
1620 bioq_flush(&softc->delete_queue, NULL, ENXIO);
1621
1622 /*
1623 * Tell GEOM that we've gone away, we'll get a callback when it is
1624 * done cleaning up its resources.
1625 */
1626 disk_gone(softc->disk);
1627 }
1628
1629 static void
1630 dacleanup(struct cam_periph *periph)
1631 {
1632 struct da_softc *softc;
1633
1634 softc = (struct da_softc *)periph->softc;
1635
1636 cam_periph_unlock(periph);
1637
1638 /*
1639 * If we can't free the sysctl tree, oh well...
1640 */
1641 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1642 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1643 xpt_print(periph->path, "can't remove sysctl context\n");
1644 }
1645
1646 callout_drain(&softc->mediapoll_c);
1647 disk_destroy(softc->disk);
1648 callout_drain(&softc->sendordered_c);
1649 free(softc, M_DEVBUF);
1650 cam_periph_lock(periph);
1651 }
1652
1653 static void
1654 daasync(void *callback_arg, u_int32_t code,
1655 struct cam_path *path, void *arg)
1656 {
1657 struct cam_periph *periph;
1658 struct da_softc *softc;
1659
1660 periph = (struct cam_periph *)callback_arg;
1661 switch (code) {
1662 case AC_FOUND_DEVICE:
1663 {
1664 struct ccb_getdev *cgd;
1665 cam_status status;
1666
1667 cgd = (struct ccb_getdev *)arg;
1668 if (cgd == NULL)
1669 break;
1670
1671 if (cgd->protocol != PROTO_SCSI)
1672 break;
1673 if (SID_QUAL(&cgd->inq_data) != SID_QUAL_LU_CONNECTED)
1674 break;
1675 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1676 && SID_TYPE(&cgd->inq_data) != T_RBC
1677 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1678 break;
1679
1680 /*
1681 * Allocate a peripheral instance for
1682 * this device and start the probe
1683 * process.
1684 */
1685 status = cam_periph_alloc(daregister, daoninvalidate,
1686 dacleanup, dastart,
1687 "da", CAM_PERIPH_BIO,
1688 path, daasync,
1689 AC_FOUND_DEVICE, cgd);
1690
1691 if (status != CAM_REQ_CMP
1692 && status != CAM_REQ_INPROG)
1693 printf("daasync: Unable to attach to new device "
1694 "due to status 0x%x\n", status);
1695 return;
1696 }
1697 case AC_ADVINFO_CHANGED:
1698 {
1699 uintptr_t buftype;
1700
1701 buftype = (uintptr_t)arg;
1702 if (buftype == CDAI_TYPE_PHYS_PATH) {
1703 struct da_softc *softc;
1704
1705 softc = periph->softc;
1706 disk_attr_changed(softc->disk, "GEOM::physpath",
1707 M_NOWAIT);
1708 }
1709 break;
1710 }
1711 case AC_UNIT_ATTENTION:
1712 {
1713 union ccb *ccb;
1714 int error_code, sense_key, asc, ascq;
1715
1716 softc = (struct da_softc *)periph->softc;
1717 ccb = (union ccb *)arg;
1718
1719 /*
1720 * Handle all UNIT ATTENTIONs except our own,
1721 * as they will be handled by daerror().
1722 */
1723 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1724 scsi_extract_sense_ccb(ccb,
1725 &error_code, &sense_key, &asc, &ascq)) {
1726 if (asc == 0x2A && ascq == 0x09) {
1727 xpt_print(ccb->ccb_h.path,
1728 "Capacity data has changed\n");
1729 softc->flags &= ~DA_FLAG_PROBED;
1730 dareprobe(periph);
1731 } else if (asc == 0x28 && ascq == 0x00) {
1732 softc->flags &= ~DA_FLAG_PROBED;
1733 disk_media_changed(softc->disk, M_NOWAIT);
1734 } else if (asc == 0x3F && ascq == 0x03) {
1735 xpt_print(ccb->ccb_h.path,
1736 "INQUIRY data has changed\n");
1737 softc->flags &= ~DA_FLAG_PROBED;
1738 dareprobe(periph);
1739 }
1740 }
1741 cam_periph_async(periph, code, path, arg);
1742 break;
1743 }
1744 case AC_SCSI_AEN:
1745 softc = (struct da_softc *)periph->softc;
1746 if (!softc->tur) {
1747 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1748 softc->tur = 1;
1749 daschedule(periph);
1750 }
1751 }
1752 /* FALLTHROUGH */
1753 case AC_SENT_BDR:
1754 case AC_BUS_RESET:
1755 {
1756 struct ccb_hdr *ccbh;
1757
1758 softc = (struct da_softc *)periph->softc;
1759 /*
1760 * Don't fail on the expected unit attention
1761 * that will occur.
1762 */
1763 softc->flags |= DA_FLAG_RETRY_UA;
1764 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1765 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1766 break;
1767 }
1768 case AC_INQ_CHANGED:
1769 softc = (struct da_softc *)periph->softc;
1770 softc->flags &= ~DA_FLAG_PROBED;
1771 dareprobe(periph);
1772 break;
1773 default:
1774 break;
1775 }
1776 cam_periph_async(periph, code, path, arg);
1777 }
1778
1779 static void
1780 dasysctlinit(void *context, int pending)
1781 {
1782 struct cam_periph *periph;
1783 struct da_softc *softc;
1784 char tmpstr[80], tmpstr2[80];
1785 struct ccb_trans_settings cts;
1786
1787 periph = (struct cam_periph *)context;
1788 /*
1789 * periph was held for us when this task was enqueued
1790 */
1791 if (periph->flags & CAM_PERIPH_INVALID) {
1792 cam_periph_release(periph);
1793 return;
1794 }
1795
1796 softc = (struct da_softc *)periph->softc;
1797 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1798 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1799
1800 sysctl_ctx_init(&softc->sysctl_ctx);
1801 softc->flags |= DA_FLAG_SCTX_INIT;
1802 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1803 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1804 CTLFLAG_RD, 0, tmpstr);
1805 if (softc->sysctl_tree == NULL) {
1806 printf("dasysctlinit: unable to allocate sysctl tree\n");
1807 cam_periph_release(periph);
1808 return;
1809 }
1810
1811 /*
1812 * Now register the sysctl handler, so the user can change the value on
1813 * the fly.
1814 */
1815 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1816 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RWTUN,
1817 softc, 0, dadeletemethodsysctl, "A",
1818 "BIO_DELETE execution method");
1819 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1820 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1821 softc, 0, dadeletemaxsysctl, "Q",
1822 "Maximum BIO_DELETE size");
1823 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1824 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1825 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1826 "Minimum CDB size");
1827 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1828 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1829 "Sort IO queue to try and optimise disk access patterns");
1830
1831 SYSCTL_ADD_INT(&softc->sysctl_ctx,
1832 SYSCTL_CHILDREN(softc->sysctl_tree),
1833 OID_AUTO,
1834 "error_inject",
1835 CTLFLAG_RW,
1836 &softc->error_inject,
1837 0,
1838 "error_inject leaf");
1839
1840
1841 /*
1842 * Add some addressing info.
1843 */
1844 memset(&cts, 0, sizeof (cts));
1845 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1846 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1847 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1848 cam_periph_lock(periph);
1849 xpt_action((union ccb *)&cts);
1850 cam_periph_unlock(periph);
1851 if (cts.ccb_h.status != CAM_REQ_CMP) {
1852 cam_periph_release(periph);
1853 return;
1854 }
1855 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1856 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1857 if (fc->valid & CTS_FC_VALID_WWPN) {
1858 softc->wwpn = fc->wwpn;
1859 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1860 SYSCTL_CHILDREN(softc->sysctl_tree),
1861 OID_AUTO, "wwpn", CTLFLAG_RD,
1862 &softc->wwpn, "World Wide Port Name");
1863 }
1864 }
1865 cam_periph_release(periph);
1866 }
1867
1868 static int
1869 dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1870 {
1871 int error;
1872 uint64_t value;
1873 struct da_softc *softc;
1874
1875 softc = (struct da_softc *)arg1;
1876
1877 value = softc->disk->d_delmaxsize;
1878 error = sysctl_handle_64(oidp, &value, 0, req);
1879 if ((error != 0) || (req->newptr == NULL))
1880 return (error);
1881
1882 /* only accept values smaller than the calculated value */
1883 if (value > dadeletemaxsize(softc, softc->delete_method)) {
1884 return (EINVAL);
1885 }
1886 softc->disk->d_delmaxsize = value;
1887
1888 return (0);
1889 }
1890
1891 static int
1892 dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1893 {
1894 int error, value;
1895
1896 value = *(int *)arg1;
1897
1898 error = sysctl_handle_int(oidp, &value, 0, req);
1899
1900 if ((error != 0)
1901 || (req->newptr == NULL))
1902 return (error);
1903
1904 /*
1905 * Acceptable values here are 6, 10, 12 or 16.
1906 */
1907 if (value < 6)
1908 value = 6;
1909 else if ((value > 6)
1910 && (value <= 10))
1911 value = 10;
1912 else if ((value > 10)
1913 && (value <= 12))
1914 value = 12;
1915 else if (value > 12)
1916 value = 16;
1917
1918 *(int *)arg1 = value;
1919
1920 return (0);
1921 }
1922
1923 static void
1924 dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1925 {
1926
1927 softc->delete_method = delete_method;
1928 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1929 softc->delete_func = da_delete_functions[delete_method];
1930
1931 if (softc->delete_method > DA_DELETE_DISABLE)
1932 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1933 else
1934 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1935 }
1936
1937 static off_t
1938 dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1939 {
1940 off_t sectors;
1941
1942 switch(delete_method) {
1943 case DA_DELETE_UNMAP:
1944 sectors = (off_t)softc->unmap_max_lba;
1945 break;
1946 case DA_DELETE_ATA_TRIM:
1947 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1948 break;
1949 case DA_DELETE_WS16:
1950 sectors = omin(softc->ws_max_blks, WS16_MAX_BLKS);
1951 break;
1952 case DA_DELETE_ZERO:
1953 case DA_DELETE_WS10:
1954 sectors = omin(softc->ws_max_blks, WS10_MAX_BLKS);
1955 break;
1956 default:
1957 return 0;
1958 }
1959
1960 return (off_t)softc->params.secsize *
1961 omin(sectors, softc->params.sectors);
1962 }
1963
1964 static void
1965 daprobedone(struct cam_periph *periph, union ccb *ccb)
1966 {
1967 struct da_softc *softc;
1968
1969 softc = (struct da_softc *)periph->softc;
1970
1971 dadeletemethodchoose(softc, DA_DELETE_NONE);
1972
1973 if (bootverbose && (softc->flags & DA_FLAG_ANNOUNCED) == 0) {
1974 char buf[80];
1975 int i, sep;
1976
1977 snprintf(buf, sizeof(buf), "Delete methods: <");
1978 sep = 0;
1979 for (i = 0; i <= DA_DELETE_MAX; i++) {
1980 if ((softc->delete_available & (1 << i)) == 0 &&
1981 i != softc->delete_method)
1982 continue;
1983 if (sep)
1984 strlcat(buf, ",", sizeof(buf));
1985 strlcat(buf, da_delete_method_names[i],
1986 sizeof(buf));
1987 if (i == softc->delete_method)
1988 strlcat(buf, "(*)", sizeof(buf));
1989 sep = 1;
1990 }
1991 strlcat(buf, ">", sizeof(buf));
1992 printf("%s%d: %s\n", periph->periph_name,
1993 periph->unit_number, buf);
1994 }
1995
1996 /*
1997 * Since our peripheral may be invalidated by an error
1998 * above or an external event, we must release our CCB
1999 * before releasing the probe lock on the peripheral.
2000 * The peripheral will only go away once the last lock
2001 * is removed, and we need it around for the CCB release
2002 * operation.
2003 */
2004 xpt_release_ccb(ccb);
2005 softc->state = DA_STATE_NORMAL;
2006 softc->flags |= DA_FLAG_PROBED;
2007 daschedule(periph);
2008 wakeup(&softc->disk->d_mediasize);
2009 if ((softc->flags & DA_FLAG_ANNOUNCED) == 0) {
2010 softc->flags |= DA_FLAG_ANNOUNCED;
2011 cam_periph_unhold(periph);
2012 } else
2013 cam_periph_release_locked(periph);
2014 }
2015
2016 static void
2017 dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
2018 {
2019 int i, methods;
2020
2021 /* If available, prefer the method requested by user. */
2022 i = softc->delete_method_pref;
2023 methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2024 if (methods & (1 << i)) {
2025 dadeletemethodset(softc, i);
2026 return;
2027 }
2028
2029 /* Use the pre-defined order to choose the best performing delete. */
2030 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
2031 if (i == DA_DELETE_ZERO)
2032 continue;
2033 if (softc->delete_available & (1 << i)) {
2034 dadeletemethodset(softc, i);
2035 return;
2036 }
2037 }
2038
2039 /* Fallback to default. */
2040 dadeletemethodset(softc, default_method);
2041 }
2042
2043 static int
2044 dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
2045 {
2046 char buf[16];
2047 const char *p;
2048 struct da_softc *softc;
2049 int i, error, methods, value;
2050
2051 softc = (struct da_softc *)arg1;
2052
2053 value = softc->delete_method;
2054 if (value < 0 || value > DA_DELETE_MAX)
2055 p = "UNKNOWN";
2056 else
2057 p = da_delete_method_names[value];
2058 strncpy(buf, p, sizeof(buf));
2059 error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
2060 if (error != 0 || req->newptr == NULL)
2061 return (error);
2062 methods = softc->delete_available | (1 << DA_DELETE_DISABLE);
2063 for (i = 0; i <= DA_DELETE_MAX; i++) {
2064 if (strcmp(buf, da_delete_method_names[i]) == 0)
2065 break;
2066 }
2067 if (i > DA_DELETE_MAX)
2068 return (EINVAL);
2069 softc->delete_method_pref = i;
2070 dadeletemethodchoose(softc, DA_DELETE_NONE);
2071 return (0);
2072 }
2073
2074 static cam_status
2075 daregister(struct cam_periph *periph, void *arg)
2076 {
2077 struct da_softc *softc;
2078 struct ccb_pathinq cpi;
2079 struct ccb_getdev *cgd;
2080 char tmpstr[80];
2081 caddr_t match;
2082
2083 cgd = (struct ccb_getdev *)arg;
2084 if (cgd == NULL) {
2085 printf("daregister: no getdev CCB, can't register device\n");
2086 return(CAM_REQ_CMP_ERR);
2087 }
2088
2089 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
2090 M_NOWAIT|M_ZERO);
2091
2092 if (softc == NULL) {
2093 printf("daregister: Unable to probe new device. "
2094 "Unable to allocate softc\n");
2095 return(CAM_REQ_CMP_ERR);
2096 }
2097
2098 LIST_INIT(&softc->pending_ccbs);
2099 softc->state = DA_STATE_PROBE_RC;
2100 bioq_init(&softc->bio_queue);
2101 bioq_init(&softc->delete_queue);
2102 bioq_init(&softc->delete_run_queue);
2103 if (SID_IS_REMOVABLE(&cgd->inq_data))
2104 softc->flags |= DA_FLAG_PACK_REMOVABLE;
2105 softc->unmap_max_ranges = UNMAP_MAX_RANGES;
2106 softc->unmap_max_lba = UNMAP_RANGE_MAX;
2107 softc->ws_max_blks = WS16_MAX_BLKS;
2108 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
2109 softc->sort_io_queue = -1;
2110
2111 periph->softc = softc;
2112
2113 /*
2114 * See if this device has any quirks.
2115 */
2116 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
2117 (caddr_t)da_quirk_table,
2118 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
2119 sizeof(*da_quirk_table), scsi_inquiry_match);
2120
2121 if (match != NULL)
2122 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
2123 else
2124 softc->quirks = DA_Q_NONE;
2125
2126 /* Check if the SIM does not want 6 byte commands */
2127 bzero(&cpi, sizeof(cpi));
2128 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
2129 cpi.ccb_h.func_code = XPT_PATH_INQ;
2130 xpt_action((union ccb *)&cpi);
2131 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
2132 softc->quirks |= DA_Q_NO_6_BYTE;
2133
2134 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
2135
2136 /*
2137 * Take an exclusive refcount on the periph while dastart is called
2138 * to finish the probe. The reference will be dropped in dadone at
2139 * the end of probe.
2140 */
2141 (void)cam_periph_hold(periph, PRIBIO);
2142
2143 /*
2144 * Schedule a periodic event to occasionally send an
2145 * ordered tag to a device.
2146 */
2147 callout_init_mtx(&softc->sendordered_c, cam_periph_mtx(periph), 0);
2148 callout_reset(&softc->sendordered_c,
2149 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
2150 dasendorderedtag, softc);
2151
2152 cam_periph_unlock(periph);
2153 /*
2154 * RBC devices don't have to support READ(6), only READ(10).
2155 */
2156 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
2157 softc->minimum_cmd_size = 10;
2158 else
2159 softc->minimum_cmd_size = 6;
2160
2161 /*
2162 * Load the user's default, if any.
2163 */
2164 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
2165 periph->unit_number);
2166 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
2167
2168 /*
2169 * 6, 10, 12 and 16 are the currently permissible values.
2170 */
2171 if (softc->minimum_cmd_size < 6)
2172 softc->minimum_cmd_size = 6;
2173 else if ((softc->minimum_cmd_size > 6)
2174 && (softc->minimum_cmd_size <= 10))
2175 softc->minimum_cmd_size = 10;
2176 else if ((softc->minimum_cmd_size > 10)
2177 && (softc->minimum_cmd_size <= 12))
2178 softc->minimum_cmd_size = 12;
2179 else if (softc->minimum_cmd_size > 12)
2180 softc->minimum_cmd_size = 16;
2181
2182 /* Predict whether device may support READ CAPACITY(16). */
2183 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3 &&
2184 (softc->quirks & DA_Q_NO_RC16) == 0) {
2185 softc->flags |= DA_FLAG_CAN_RC16;
2186 softc->state = DA_STATE_PROBE_RC16;
2187 }
2188
2189 /*
2190 * Register this media as a disk.
2191 */
2192 softc->disk = disk_alloc();
2193 softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
2194 periph->unit_number, 0,
2195 DEVSTAT_BS_UNAVAILABLE,
2196 SID_TYPE(&cgd->inq_data) |
2197 XPORT_DEVSTAT_TYPE(cpi.transport),
2198 DEVSTAT_PRIORITY_DISK);
2199 softc->disk->d_open = daopen;
2200 softc->disk->d_close = daclose;
2201 softc->disk->d_strategy = dastrategy;
2202 softc->disk->d_dump = dadump;
2203 softc->disk->d_getattr = dagetattr;
2204 softc->disk->d_gone = dadiskgonecb;
2205 softc->disk->d_name = "da";
2206 softc->disk->d_drv1 = periph;
2207 if (cpi.maxio == 0)
2208 softc->maxio = DFLTPHYS; /* traditional default */
2209 else if (cpi.maxio > MAXPHYS)
2210 softc->maxio = MAXPHYS; /* for safety */
2211 else
2212 softc->maxio = cpi.maxio;
2213 softc->disk->d_maxsize = softc->maxio;
2214 softc->disk->d_unit = periph->unit_number;
2215 softc->disk->d_flags = DISKFLAG_DIRECT_COMPLETION;
2216 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
2217 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
2218 if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
2219 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
2220 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
2221 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
2222 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
2223 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
2224 cgd->inq_data.product, sizeof(cgd->inq_data.product),
2225 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
2226 softc->disk->d_hba_vendor = cpi.hba_vendor;
2227 softc->disk->d_hba_device = cpi.hba_device;
2228 softc->disk->d_hba_subvendor = cpi.hba_subvendor;
2229 softc->disk->d_hba_subdevice = cpi.hba_subdevice;
2230
2231 /*
2232 * Acquire a reference to the periph before we register with GEOM.
2233 * We'll release this reference once GEOM calls us back (via
2234 * dadiskgonecb()) telling us that our provider has been freed.
2235 */
2236 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
2237 xpt_print(periph->path, "%s: lost periph during "
2238 "registration!\n", __func__);
2239 cam_periph_lock(periph);
2240 return (CAM_REQ_CMP_ERR);
2241 }
2242
2243 disk_create(softc->disk, DISK_VERSION);
2244 cam_periph_lock(periph);
2245
2246 /*
2247 * Add async callbacks for events of interest.
2248 * I don't bother checking if this fails as,
2249 * in most cases, the system will function just
2250 * fine without them and the only alternative
2251 * would be to not attach the device on failure.
2252 */
2253 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
2254 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION |
2255 AC_INQ_CHANGED, daasync, periph, periph->path);
2256
2257 /*
2258 * Emit an attribute changed notification just in case
2259 * physical path information arrived before our async
2260 * event handler was registered, but after anyone attaching
2261 * to our disk device polled it.
2262 */
2263 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
2264
2265 /*
2266 * Schedule a periodic media polling events.
2267 */
2268 callout_init_mtx(&softc->mediapoll_c, cam_periph_mtx(periph), 0);
2269 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
2270 (cgd->inq_flags & SID_AEN) == 0 &&
2271 da_poll_period != 0)
2272 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
2273 damediapoll, periph);
2274
2275 xpt_schedule(periph, CAM_PRIORITY_DEV);
2276
2277 return(CAM_REQ_CMP);
2278 }
2279
2280 static void
2281 dastart(struct cam_periph *periph, union ccb *start_ccb)
2282 {
2283 struct da_softc *softc;
2284
2285 softc = (struct da_softc *)periph->softc;
2286
2287 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
2288
2289 skipstate:
2290 switch (softc->state) {
2291 case DA_STATE_NORMAL:
2292 {
2293 struct bio *bp;
2294 uint8_t tag_code;
2295
2296 /* Run BIO_DELETE if not running yet. */
2297 if (!softc->delete_running &&
2298 (bp = bioq_first(&softc->delete_queue)) != NULL) {
2299 if (softc->delete_func != NULL) {
2300 softc->delete_func(periph, start_ccb, bp);
2301 goto out;
2302 } else {
2303 bioq_flush(&softc->delete_queue, NULL, 0);
2304 /* FALLTHROUGH */
2305 }
2306 }
2307
2308 /* Run regular command. */
2309 bp = bioq_takefirst(&softc->bio_queue);
2310 if (bp == NULL) {
2311 if (softc->tur) {
2312 softc->tur = 0;
2313 scsi_test_unit_ready(&start_ccb->csio,
2314 /*retries*/ da_retry_count,
2315 dadone,
2316 MSG_SIMPLE_Q_TAG,
2317 SSD_FULL_SIZE,
2318 da_default_timeout * 1000);
2319 start_ccb->ccb_h.ccb_bp = NULL;
2320 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2321 xpt_action(start_ccb);
2322 } else
2323 xpt_release_ccb(start_ccb);
2324 break;
2325 }
2326 if (softc->tur) {
2327 softc->tur = 0;
2328 cam_periph_release_locked(periph);
2329 }
2330
2331 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2332 (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2333 softc->flags &= ~DA_FLAG_NEED_OTAG;
2334 softc->flags |= DA_FLAG_WAS_OTAG;
2335 tag_code = MSG_ORDERED_Q_TAG;
2336 } else {
2337 tag_code = MSG_SIMPLE_Q_TAG;
2338 }
2339
2340 switch (bp->bio_cmd) {
2341 case BIO_WRITE:
2342 case BIO_READ:
2343 {
2344 void *data_ptr;
2345 int rw_op;
2346
2347 if (bp->bio_cmd == BIO_WRITE) {
2348 softc->flags |= DA_FLAG_DIRTY;
2349 rw_op = SCSI_RW_WRITE;
2350 } else {
2351 rw_op = SCSI_RW_READ;
2352 }
2353
2354 data_ptr = bp->bio_data;
2355 if ((bp->bio_flags & (BIO_UNMAPPED|BIO_VLIST)) != 0) {
2356 rw_op |= SCSI_RW_BIO;
2357 data_ptr = bp;
2358 }
2359
2360 scsi_read_write(&start_ccb->csio,
2361 /*retries*/da_retry_count,
2362 /*cbfcnp*/dadone,
2363 /*tag_action*/tag_code,
2364 rw_op,
2365 /*byte2*/0,
2366 softc->minimum_cmd_size,
2367 /*lba*/bp->bio_pblkno,
2368 /*block_count*/bp->bio_bcount /
2369 softc->params.secsize,
2370 data_ptr,
2371 /*dxfer_len*/ bp->bio_bcount,
2372 /*sense_len*/SSD_FULL_SIZE,
2373 da_default_timeout * 1000);
2374 break;
2375 }
2376 case BIO_FLUSH:
2377 /*
2378 * BIO_FLUSH doesn't currently communicate
2379 * range data, so we synchronize the cache
2380 * over the whole disk. We also force
2381 * ordered tag semantics the flush applies
2382 * to all previously queued I/O.
2383 */
2384 scsi_synchronize_cache(&start_ccb->csio,
2385 /*retries*/1,
2386 /*cbfcnp*/dadone,
2387 MSG_ORDERED_Q_TAG,
2388 /*begin_lba*/0,
2389 /*lb_count*/0,
2390 SSD_FULL_SIZE,
2391 da_default_timeout*1000);
2392 break;
2393 }
2394 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2395 start_ccb->ccb_h.flags |= CAM_UNLOCKED;
2396
2397 out:
2398 LIST_INSERT_HEAD(&softc->pending_ccbs,
2399 &start_ccb->ccb_h, periph_links.le);
2400
2401 /* We expect a unit attention from this device */
2402 if ((softc->flags & DA_FLAG_RETRY_UA) != 0) {
2403 start_ccb->ccb_h.ccb_state |= DA_CCB_RETRY_UA;
2404 softc->flags &= ~DA_FLAG_RETRY_UA;
2405 }
2406
2407 start_ccb->ccb_h.ccb_bp = bp;
2408 softc->refcount++;
2409 cam_periph_unlock(periph);
2410 xpt_action(start_ccb);
2411 cam_periph_lock(periph);
2412 softc->refcount--;
2413
2414 /* May have more work to do, so ensure we stay scheduled */
2415 daschedule(periph);
2416 break;
2417 }
2418 case DA_STATE_PROBE_RC:
2419 {
2420 struct scsi_read_capacity_data *rcap;
2421
2422 rcap = (struct scsi_read_capacity_data *)
2423 malloc(sizeof(*rcap), M_SCSIDA, M_NOWAIT|M_ZERO);
2424 if (rcap == NULL) {
2425 printf("dastart: Couldn't malloc read_capacity data\n");
2426 /* da_free_periph??? */
2427 break;
2428 }
2429 scsi_read_capacity(&start_ccb->csio,
2430 /*retries*/da_retry_count,
2431 dadone,
2432 MSG_SIMPLE_Q_TAG,
2433 rcap,
2434 SSD_FULL_SIZE,
2435 /*timeout*/5000);
2436 start_ccb->ccb_h.ccb_bp = NULL;
2437 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC;
2438 xpt_action(start_ccb);
2439 break;
2440 }
2441 case DA_STATE_PROBE_RC16:
2442 {
2443 struct scsi_read_capacity_data_long *rcaplong;
2444
2445 rcaplong = (struct scsi_read_capacity_data_long *)
2446 malloc(sizeof(*rcaplong), M_SCSIDA, M_NOWAIT|M_ZERO);
2447 if (rcaplong == NULL) {
2448 printf("dastart: Couldn't malloc read_capacity data\n");
2449 /* da_free_periph??? */
2450 break;
2451 }
2452 scsi_read_capacity_16(&start_ccb->csio,
2453 /*retries*/ da_retry_count,
2454 /*cbfcnp*/ dadone,
2455 /*tag_action*/ MSG_SIMPLE_Q_TAG,
2456 /*lba*/ 0,
2457 /*reladr*/ 0,
2458 /*pmi*/ 0,
2459 /*rcap_buf*/ (uint8_t *)rcaplong,
2460 /*rcap_buf_len*/ sizeof(*rcaplong),
2461 /*sense_len*/ SSD_FULL_SIZE,
2462 /*timeout*/ da_default_timeout * 1000);
2463 start_ccb->ccb_h.ccb_bp = NULL;
2464 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_RC16;
2465 xpt_action(start_ccb);
2466 break;
2467 }
2468 case DA_STATE_PROBE_LBP:
2469 {
2470 struct scsi_vpd_logical_block_prov *lbp;
2471
2472 if (!scsi_vpd_supported_page(periph, SVPD_LBP)) {
2473 /*
2474 * If we get here we don't support any SBC-3 delete
2475 * methods with UNMAP as the Logical Block Provisioning
2476 * VPD page support is required for devices which
2477 * support it according to T10/1799-D Revision 31
2478 * however older revisions of the spec don't mandate
2479 * this so we currently don't remove these methods
2480 * from the available set.
2481 */
2482 softc->state = DA_STATE_PROBE_BLK_LIMITS;
2483 goto skipstate;
2484 }
2485
2486 lbp = (struct scsi_vpd_logical_block_prov *)
2487 malloc(sizeof(*lbp), M_SCSIDA, M_NOWAIT|M_ZERO);
2488
2489 if (lbp == NULL) {
2490 printf("dastart: Couldn't malloc lbp data\n");
2491 /* da_free_periph??? */
2492 break;
2493 }
2494
2495 scsi_inquiry(&start_ccb->csio,
2496 /*retries*/da_retry_count,
2497 /*cbfcnp*/dadone,
2498 /*tag_action*/MSG_SIMPLE_Q_TAG,
2499 /*inq_buf*/(u_int8_t *)lbp,
2500 /*inq_len*/sizeof(*lbp),
2501 /*evpd*/TRUE,
2502 /*page_code*/SVPD_LBP,
2503 /*sense_len*/SSD_MIN_SIZE,
2504 /*timeout*/da_default_timeout * 1000);
2505 start_ccb->ccb_h.ccb_bp = NULL;
2506 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_LBP;
2507 xpt_action(start_ccb);
2508 break;
2509 }
2510 case DA_STATE_PROBE_BLK_LIMITS:
2511 {
2512 struct scsi_vpd_block_limits *block_limits;
2513
2514 if (!scsi_vpd_supported_page(periph, SVPD_BLOCK_LIMITS)) {
2515 /* Not supported skip to next probe */
2516 softc->state = DA_STATE_PROBE_BDC;
2517 goto skipstate;
2518 }
2519
2520 block_limits = (struct scsi_vpd_block_limits *)
2521 malloc(sizeof(*block_limits), M_SCSIDA, M_NOWAIT|M_ZERO);
2522
2523 if (block_limits == NULL) {
2524 printf("dastart: Couldn't malloc block_limits data\n");
2525 /* da_free_periph??? */
2526 break;
2527 }
2528
2529 scsi_inquiry(&start_ccb->csio,
2530 /*retries*/da_retry_count,
2531 /*cbfcnp*/dadone,
2532 /*tag_action*/MSG_SIMPLE_Q_TAG,
2533 /*inq_buf*/(u_int8_t *)block_limits,
2534 /*inq_len*/sizeof(*block_limits),
2535 /*evpd*/TRUE,
2536 /*page_code*/SVPD_BLOCK_LIMITS,
2537 /*sense_len*/SSD_MIN_SIZE,
2538 /*timeout*/da_default_timeout * 1000);
2539 start_ccb->ccb_h.ccb_bp = NULL;
2540 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BLK_LIMITS;
2541 xpt_action(start_ccb);
2542 break;
2543 }
2544 case DA_STATE_PROBE_BDC:
2545 {
2546 struct scsi_vpd_block_characteristics *bdc;
2547
2548 if (!scsi_vpd_supported_page(periph, SVPD_BDC)) {
2549 softc->state = DA_STATE_PROBE_ATA;
2550 goto skipstate;
2551 }
2552
2553 bdc = (struct scsi_vpd_block_characteristics *)
2554 malloc(sizeof(*bdc), M_SCSIDA, M_NOWAIT|M_ZERO);
2555
2556 if (bdc == NULL) {
2557 printf("dastart: Couldn't malloc bdc data\n");
2558 /* da_free_periph??? */
2559 break;
2560 }
2561
2562 scsi_inquiry(&start_ccb->csio,
2563 /*retries*/da_retry_count,
2564 /*cbfcnp*/dadone,
2565 /*tag_action*/MSG_SIMPLE_Q_TAG,
2566 /*inq_buf*/(u_int8_t *)bdc,
2567 /*inq_len*/sizeof(*bdc),
2568 /*evpd*/TRUE,
2569 /*page_code*/SVPD_BDC,
2570 /*sense_len*/SSD_MIN_SIZE,
2571 /*timeout*/da_default_timeout * 1000);
2572 start_ccb->ccb_h.ccb_bp = NULL;
2573 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_BDC;
2574 xpt_action(start_ccb);
2575 break;
2576 }
2577 case DA_STATE_PROBE_ATA:
2578 {
2579 struct ata_params *ata_params;
2580
2581 if (!scsi_vpd_supported_page(periph, SVPD_ATA_INFORMATION)) {
2582 daprobedone(periph, start_ccb);
2583 break;
2584 }
2585
2586 ata_params = (struct ata_params*)
2587 malloc(sizeof(*ata_params), M_SCSIDA, M_NOWAIT|M_ZERO);
2588
2589 if (ata_params == NULL) {
2590 printf("dastart: Couldn't malloc ata_params data\n");
2591 /* da_free_periph??? */
2592 break;
2593 }
2594
2595 scsi_ata_identify(&start_ccb->csio,
2596 /*retries*/da_retry_count,
2597 /*cbfcnp*/dadone,
2598 /*tag_action*/MSG_SIMPLE_Q_TAG,
2599 /*data_ptr*/(u_int8_t *)ata_params,
2600 /*dxfer_len*/sizeof(*ata_params),
2601 /*sense_len*/SSD_FULL_SIZE,
2602 /*timeout*/da_default_timeout * 1000);
2603 start_ccb->ccb_h.ccb_bp = NULL;
2604 start_ccb->ccb_h.ccb_state = DA_CCB_PROBE_ATA;
2605 xpt_action(start_ccb);
2606 break;
2607 }
2608 }
2609 }
2610
2611 /*
2612 * In each of the methods below, while its the caller's
2613 * responsibility to ensure the request will fit into a
2614 * single device request, we might have changed the delete
2615 * method due to the device incorrectly advertising either
2616 * its supported methods or limits.
2617 *
2618 * To prevent this causing further issues we validate the
2619 * against the methods limits, and warn which would
2620 * otherwise be unnecessary.
2621 */
2622 static void
2623 da_delete_unmap(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2624 {
2625 struct da_softc *softc = (struct da_softc *)periph->softc;;
2626 struct bio *bp1;
2627 uint8_t *buf = softc->unmap_buf;
2628 uint64_t lba, lastlba = (uint64_t)-1;
2629 uint64_t totalcount = 0;
2630 uint64_t count;
2631 uint32_t lastcount = 0, c;
2632 uint32_t off, ranges = 0;
2633
2634 /*
2635 * Currently this doesn't take the UNMAP
2636 * Granularity and Granularity Alignment
2637 * fields into account.
2638 *
2639 * This could result in both unoptimal unmap
2640 * requests as as well as UNMAP calls unmapping
2641 * fewer LBA's than requested.
2642 */
2643
2644 softc->delete_running = 1;
2645 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2646 bp1 = bp;
2647 do {
2648 bioq_remove(&softc->delete_queue, bp1);
2649 if (bp1 != bp)
2650 bioq_insert_tail(&softc->delete_run_queue, bp1);
2651 lba = bp1->bio_pblkno;
2652 count = bp1->bio_bcount / softc->params.secsize;
2653
2654 /* Try to extend the previous range. */
2655 if (lba == lastlba) {
2656 c = omin(count, UNMAP_RANGE_MAX - lastcount);
2657 lastcount += c;
2658 off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2659 UNMAP_HEAD_SIZE;
2660 scsi_ulto4b(lastcount, &buf[off + 8]);
2661 count -= c;
2662 lba +=c;
2663 totalcount += c;
2664 }
2665
2666 while (count > 0) {
2667 c = omin(count, UNMAP_RANGE_MAX);
2668 if (totalcount + c > softc->unmap_max_lba ||
2669 ranges >= softc->unmap_max_ranges) {
2670 xpt_print(periph->path,
2671 "%s issuing short delete %ld > %ld"
2672 "|| %d >= %d",
2673 da_delete_method_desc[softc->delete_method],
2674 totalcount + c, softc->unmap_max_lba,
2675 ranges, softc->unmap_max_ranges);
2676 break;
2677 }
2678 off = (ranges * UNMAP_RANGE_SIZE) + UNMAP_HEAD_SIZE;
2679 scsi_u64to8b(lba, &buf[off + 0]);
2680 scsi_ulto4b(c, &buf[off + 8]);
2681 lba += c;
2682 totalcount += c;
2683 ranges++;
2684 count -= c;
2685 lastcount = c;
2686 }
2687 lastlba = lba;
2688 bp1 = bioq_first(&softc->delete_queue);
2689 if (bp1 == NULL || ranges >= softc->unmap_max_ranges ||
2690 totalcount + bp1->bio_bcount /
2691 softc->params.secsize > softc->unmap_max_lba)
2692 break;
2693 } while (1);
2694 scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2695 scsi_ulto2b(ranges * 16, &buf[2]);
2696
2697 scsi_unmap(&ccb->csio,
2698 /*retries*/da_retry_count,
2699 /*cbfcnp*/dadone,
2700 /*tag_action*/MSG_SIMPLE_Q_TAG,
2701 /*byte2*/0,
2702 /*data_ptr*/ buf,
2703 /*dxfer_len*/ ranges * 16 + 8,
2704 /*sense_len*/SSD_FULL_SIZE,
2705 da_default_timeout * 1000);
2706 ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2707 ccb->ccb_h.flags |= CAM_UNLOCKED;
2708 }
2709
2710 static void
2711 da_delete_trim(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2712 {
2713 struct da_softc *softc = (struct da_softc *)periph->softc;
2714 struct bio *bp1;
2715 uint8_t *buf = softc->unmap_buf;
2716 uint64_t lastlba = (uint64_t)-1;
2717 uint64_t count;
2718 uint64_t lba;
2719 uint32_t lastcount = 0, c, requestcount;
2720 int ranges = 0, off, block_count;
2721
2722 softc->delete_running = 1;
2723 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2724 bp1 = bp;
2725 do {
2726 bioq_remove(&softc->delete_queue, bp1);
2727 if (bp1 != bp)
2728 bioq_insert_tail(&softc->delete_run_queue, bp1);
2729 lba = bp1->bio_pblkno;
2730 count = bp1->bio_bcount / softc->params.secsize;
2731 requestcount = count;
2732
2733 /* Try to extend the previous range. */
2734 if (lba == lastlba) {
2735 c = omin(count, ATA_DSM_RANGE_MAX - lastcount);
2736 lastcount += c;
2737 off = (ranges - 1) * 8;
2738 buf[off + 6] = lastcount & 0xff;
2739 buf[off + 7] = (lastcount >> 8) & 0xff;
2740 count -= c;
2741 lba += c;
2742 }
2743
2744 while (count > 0) {
2745 c = omin(count, ATA_DSM_RANGE_MAX);
2746 off = ranges * 8;
2747
2748 buf[off + 0] = lba & 0xff;
2749 buf[off + 1] = (lba >> 8) & 0xff;
2750 buf[off + 2] = (lba >> 16) & 0xff;
2751 buf[off + 3] = (lba >> 24) & 0xff;
2752 buf[off + 4] = (lba >> 32) & 0xff;
2753 buf[off + 5] = (lba >> 40) & 0xff;
2754 buf[off + 6] = c & 0xff;
2755 buf[off + 7] = (c >> 8) & 0xff;
2756 lba += c;
2757 ranges++;
2758 count -= c;
2759 lastcount = c;
2760 if (count != 0 && ranges == softc->trim_max_ranges) {
2761 xpt_print(periph->path,
2762 "%s issuing short delete %ld > %ld\n",
2763 da_delete_method_desc[softc->delete_method],
2764 requestcount,
2765 (softc->trim_max_ranges - ranges) *
2766 ATA_DSM_RANGE_MAX);
2767 break;
2768 }
2769 }
2770 lastlba = lba;
2771 bp1 = bioq_first(&softc->delete_queue);
2772 if (bp1 == NULL || bp1->bio_bcount / softc->params.secsize >
2773 (softc->trim_max_ranges - ranges) * ATA_DSM_RANGE_MAX)
2774 break;
2775 } while (1);
2776
2777 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) / ATA_DSM_BLK_RANGES;
2778 scsi_ata_trim(&ccb->csio,
2779 /*retries*/da_retry_count,
2780 /*cbfcnp*/dadone,
2781 /*tag_action*/MSG_SIMPLE_Q_TAG,
2782 block_count,
2783 /*data_ptr*/buf,
2784 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2785 /*sense_len*/SSD_FULL_SIZE,
2786 da_default_timeout * 1000);
2787 ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2788 ccb->ccb_h.flags |= CAM_UNLOCKED;
2789 }
2790
2791 /*
2792 * We calculate ws_max_blks here based off d_delmaxsize instead
2793 * of using softc->ws_max_blks as it is absolute max for the
2794 * device not the protocol max which may well be lower.
2795 */
2796 static void
2797 da_delete_ws(struct cam_periph *periph, union ccb *ccb, struct bio *bp)
2798 {
2799 struct da_softc *softc;
2800 struct bio *bp1;
2801 uint64_t ws_max_blks;
2802 uint64_t lba;
2803 uint64_t count; /* forward compat with WS32 */
2804
2805 softc = (struct da_softc *)periph->softc;
2806 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2807 softc->delete_running = 1;
2808 lba = bp->bio_pblkno;
2809 count = 0;
2810 bp1 = bp;
2811 do {
2812 bioq_remove(&softc->delete_queue, bp1);
2813 if (bp1 != bp)
2814 bioq_insert_tail(&softc->delete_run_queue, bp1);
2815 count += bp1->bio_bcount / softc->params.secsize;
2816 if (count > ws_max_blks) {
2817 xpt_print(periph->path,
2818 "%s issuing short delete %ld > %ld\n",
2819 da_delete_method_desc[softc->delete_method],
2820 count, ws_max_blks);
2821 count = omin(count, ws_max_blks);
2822 break;
2823 }
2824 bp1 = bioq_first(&softc->delete_queue);
2825 if (bp1 == NULL || lba + count != bp1->bio_pblkno ||
2826 count + bp1->bio_bcount /
2827 softc->params.secsize > ws_max_blks)
2828 break;
2829 } while (1);
2830
2831 scsi_write_same(&ccb->csio,
2832 /*retries*/da_retry_count,
2833 /*cbfcnp*/dadone,
2834 /*tag_action*/MSG_SIMPLE_Q_TAG,
2835 /*byte2*/softc->delete_method ==
2836 DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2837 softc->delete_method == DA_DELETE_WS16 ? 16 : 10,
2838 /*lba*/lba,
2839 /*block_count*/count,
2840 /*data_ptr*/ __DECONST(void *, zero_region),
2841 /*dxfer_len*/ softc->params.secsize,
2842 /*sense_len*/SSD_FULL_SIZE,
2843 da_default_timeout * 1000);
2844 ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2845 ccb->ccb_h.flags |= CAM_UNLOCKED;
2846 }
2847
2848 static int
2849 cmd6workaround(union ccb *ccb)
2850 {
2851 struct scsi_rw_6 cmd6;
2852 struct scsi_rw_10 *cmd10;
2853 struct da_softc *softc;
2854 u_int8_t *cdb;
2855 struct bio *bp;
2856 int frozen;
2857
2858 cdb = ccb->csio.cdb_io.cdb_bytes;
2859 softc = (struct da_softc *)xpt_path_periph(ccb->ccb_h.path)->softc;
2860
2861 if (ccb->ccb_h.ccb_state == DA_CCB_DELETE) {
2862 da_delete_methods old_method = softc->delete_method;
2863
2864 /*
2865 * Typically there are two reasons for failure here
2866 * 1. Delete method was detected as supported but isn't
2867 * 2. Delete failed due to invalid params e.g. too big
2868 *
2869 * While we will attempt to choose an alternative delete method
2870 * this may result in short deletes if the existing delete
2871 * requests from geom are big for the new method chosen.
2872 *
2873 * This method assumes that the error which triggered this
2874 * will not retry the io otherwise a panic will occur
2875 */
2876 dadeleteflag(softc, old_method, 0);
2877 dadeletemethodchoose(softc, DA_DELETE_DISABLE);
2878 if (softc->delete_method == DA_DELETE_DISABLE)
2879 xpt_print(ccb->ccb_h.path,
2880 "%s failed, disabling BIO_DELETE\n",
2881 da_delete_method_desc[old_method]);
2882 else
2883 xpt_print(ccb->ccb_h.path,
2884 "%s failed, switching to %s BIO_DELETE\n",
2885 da_delete_method_desc[old_method],
2886 da_delete_method_desc[softc->delete_method]);
2887
2888 while ((bp = bioq_takefirst(&softc->delete_run_queue)) != NULL)
2889 bioq_disksort(&softc->delete_queue, bp);
2890 bioq_disksort(&softc->delete_queue,
2891 (struct bio *)ccb->ccb_h.ccb_bp);
2892 ccb->ccb_h.ccb_bp = NULL;
2893 return (0);
2894 }
2895
2896 /* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
2897 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2898 (*cdb == PREVENT_ALLOW) &&
2899 (softc->quirks & DA_Q_NO_PREVENT) == 0) {
2900 if (bootverbose)
2901 xpt_print(ccb->ccb_h.path,
2902 "PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
2903 softc->quirks |= DA_Q_NO_PREVENT;
2904 return (0);
2905 }
2906
2907 /* Detect unsupported SYNCHRONIZE CACHE(10). */
2908 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
2909 (*cdb == SYNCHRONIZE_CACHE) &&
2910 (softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
2911 if (bootverbose)
2912 xpt_print(ccb->ccb_h.path,
2913 "SYNCHRONIZE CACHE(10) not supported.\n");
2914 softc->quirks |= DA_Q_NO_SYNC_CACHE;
2915 softc->disk->d_flags &= ~DISKFLAG_CANFLUSHCACHE;
2916 return (0);
2917 }
2918
2919 /* Translation only possible if CDB is an array and cmd is R/W6 */
2920 if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
2921 (*cdb != READ_6 && *cdb != WRITE_6))
2922 return 0;
2923
2924 xpt_print(ccb->ccb_h.path, "READ(6)/WRITE(6) not supported, "
2925 "increasing minimum_cmd_size to 10.\n");
2926 softc->minimum_cmd_size = 10;
2927
2928 bcopy(cdb, &cmd6, sizeof(struct scsi_rw_6));
2929 cmd10 = (struct scsi_rw_10 *)cdb;
2930 cmd10->opcode = (cmd6.opcode == READ_6) ? READ_10 : WRITE_10;
2931 cmd10->byte2 = 0;
2932 scsi_ulto4b(scsi_3btoul(cmd6.addr), cmd10->addr);
2933 cmd10->reserved = 0;
2934 scsi_ulto2b(cmd6.length, cmd10->length);
2935 cmd10->control = cmd6.control;
2936 ccb->csio.cdb_len = sizeof(*cmd10);
2937
2938 /* Requeue request, unfreezing queue if necessary */
2939 frozen = (ccb->ccb_h.status & CAM_DEV_QFRZN) != 0;
2940 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2941 xpt_action(ccb);
2942 if (frozen) {
2943 cam_release_devq(ccb->ccb_h.path,
2944 /*relsim_flags*/0,
2945 /*reduction*/0,
2946 /*timeout*/0,
2947 /*getcount_only*/0);
2948 }
2949 return (ERESTART);
2950 }
2951
2952 static void
2953 dadone(struct cam_periph *periph, union ccb *done_ccb)
2954 {
2955 struct da_softc *softc;
2956 struct ccb_scsiio *csio;
2957 u_int32_t priority;
2958 da_ccb_state state;
2959
2960 softc = (struct da_softc *)periph->softc;
2961 priority = done_ccb->ccb_h.pinfo.priority;
2962
2963 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dadone\n"));
2964
2965 csio = &done_ccb->csio;
2966 state = csio->ccb_h.ccb_state & DA_CCB_TYPE_MASK;
2967 switch (state) {
2968 case DA_CCB_BUFFER_IO:
2969 case DA_CCB_DELETE:
2970 {
2971 struct bio *bp, *bp1;
2972
2973 cam_periph_lock(periph);
2974 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2975 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2976 int error;
2977 int sf;
2978
2979 if ((csio->ccb_h.ccb_state & DA_CCB_RETRY_UA) != 0)
2980 sf = SF_RETRY_UA;
2981 else
2982 sf = 0;
2983
2984 error = daerror(done_ccb, CAM_RETRY_SELTO, sf);
2985 if (error == ERESTART) {
2986 /*
2987 * A retry was scheduled, so
2988 * just return.
2989 */
2990 cam_periph_unlock(periph);
2991 return;
2992 }
2993 bp = (struct bio *)done_ccb->ccb_h.ccb_bp;
2994 if (error != 0) {
2995 int queued_error;
2996
2997 /*
2998 * return all queued I/O with EIO, so that
2999 * the client can retry these I/Os in the
3000 * proper order should it attempt to recover.
3001 */
3002 queued_error = EIO;
3003
3004 if (error == ENXIO
3005 && (softc->flags & DA_FLAG_PACK_INVALID)== 0) {
3006 /*
3007 * Catastrophic error. Mark our pack as
3008 * invalid.
3009 */
3010 /*
3011 * XXX See if this is really a media
3012 * XXX change first?
3013 */
3014 xpt_print(periph->path,
3015 "Invalidating pack\n");
3016 softc->flags |= DA_FLAG_PACK_INVALID;
3017 queued_error = ENXIO;
3018 }
3019 bioq_flush(&softc->bio_queue, NULL,
3020 queued_error);
3021 if (bp != NULL) {
3022 bp->bio_error = error;
3023 bp->bio_resid = bp->bio_bcount;
3024 bp->bio_flags |= BIO_ERROR;
3025 }
3026 } else if (bp != NULL) {
3027 if (state == DA_CCB_DELETE)
3028 bp->bio_resid = 0;
3029 else
3030 bp->bio_resid = csio->resid;
3031 bp->bio_error = 0;
3032 if (bp->bio_resid != 0)
3033 bp->bio_flags |= BIO_ERROR;
3034 }
3035 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3036 cam_release_devq(done_ccb->ccb_h.path,
3037 /*relsim_flags*/0,
3038 /*reduction*/0,
3039 /*timeout*/0,
3040 /*getcount_only*/0);
3041 } else if (bp != NULL) {
3042 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3043 panic("REQ_CMP with QFRZN");
3044 if (state == DA_CCB_DELETE)
3045 bp->bio_resid = 0;
3046 else
3047 bp->bio_resid = csio->resid;
3048 if (csio->resid > 0)
3049 bp->bio_flags |= BIO_ERROR;
3050 if (softc->error_inject != 0) {
3051 bp->bio_error = softc->error_inject;
3052 bp->bio_resid = bp->bio_bcount;
3053 bp->bio_flags |= BIO_ERROR;
3054 softc->error_inject = 0;
3055 }
3056 }
3057
3058 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
3059 if (LIST_EMPTY(&softc->pending_ccbs))
3060 softc->flags |= DA_FLAG_WAS_OTAG;
3061
3062 xpt_release_ccb(done_ccb);
3063 if (state == DA_CCB_DELETE) {
3064 TAILQ_HEAD(, bio) queue;
3065
3066 TAILQ_INIT(&queue);
3067 TAILQ_CONCAT(&queue, &softc->delete_run_queue.queue, bio_queue);
3068 softc->delete_run_queue.insert_point = NULL;
3069 /*
3070 * Normally, the xpt_release_ccb() above would make sure
3071 * that when we have more work to do, that work would
3072 * get kicked off. However, we specifically keep
3073 * delete_running set to 0 before the call above to
3074 * allow other I/O to progress when many BIO_DELETE
3075 * requests are pushed down. We set delete_running to 0
3076 * and call daschedule again so that we don't stall if
3077 * there are no other I/Os pending apart from BIO_DELETEs.
3078 */
3079 softc->delete_running = 0;
3080 daschedule(periph);
3081 cam_periph_unlock(periph);
3082 while ((bp1 = TAILQ_FIRST(&queue)) != NULL) {
3083 TAILQ_REMOVE(&queue, bp1, bio_queue);
3084 bp1->bio_error = bp->bio_error;
3085 if (bp->bio_flags & BIO_ERROR) {
3086 bp1->bio_flags |= BIO_ERROR;
3087 bp1->bio_resid = bp1->bio_bcount;
3088 } else
3089 bp1->bio_resid = 0;
3090 biodone(bp1);
3091 }
3092 } else
3093 cam_periph_unlock(periph);
3094 if (bp != NULL)
3095 biodone(bp);
3096 return;
3097 }
3098 case DA_CCB_PROBE_RC:
3099 case DA_CCB_PROBE_RC16:
3100 {
3101 struct scsi_read_capacity_data *rdcap;
3102 struct scsi_read_capacity_data_long *rcaplong;
3103 char announce_buf[80];
3104 int lbp;
3105
3106 lbp = 0;
3107 rdcap = NULL;
3108 rcaplong = NULL;
3109 if (state == DA_CCB_PROBE_RC)
3110 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
3111 else
3112 rcaplong = (struct scsi_read_capacity_data_long *)
3113 csio->data_ptr;
3114
3115 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3116 struct disk_params *dp;
3117 uint32_t block_size;
3118 uint64_t maxsector;
3119 u_int lbppbe; /* LB per physical block exponent. */
3120 u_int lalba; /* Lowest aligned LBA. */
3121
3122 if (state == DA_CCB_PROBE_RC) {
3123 block_size = scsi_4btoul(rdcap->length);
3124 maxsector = scsi_4btoul(rdcap->addr);
3125 lbppbe = 0;
3126 lalba = 0;
3127
3128 /*
3129 * According to SBC-2, if the standard 10
3130 * byte READ CAPACITY command returns 2^32,
3131 * we should issue the 16 byte version of
3132 * the command, since the device in question
3133 * has more sectors than can be represented
3134 * with the short version of the command.
3135 */
3136 if (maxsector == 0xffffffff) {
3137 free(rdcap, M_SCSIDA);
3138 xpt_release_ccb(done_ccb);
3139 softc->state = DA_STATE_PROBE_RC16;
3140 xpt_schedule(periph, priority);
3141 return;
3142 }
3143 } else {
3144 block_size = scsi_4btoul(rcaplong->length);
3145 maxsector = scsi_8btou64(rcaplong->addr);
3146 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3147 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3148 }
3149
3150 /*
3151 * Because GEOM code just will panic us if we
3152 * give them an 'illegal' value we'll avoid that
3153 * here.
3154 */
3155 if (block_size == 0) {
3156 block_size = 512;
3157 if (maxsector == 0)
3158 maxsector = -1;
3159 }
3160 if (block_size >= MAXPHYS) {
3161 xpt_print(periph->path,
3162 "unsupportable block size %ju\n",
3163 (uintmax_t) block_size);
3164 announce_buf[0] = '\0';
3165 cam_periph_invalidate(periph);
3166 } else {
3167 /*
3168 * We pass rcaplong into dasetgeom(),
3169 * because it will only use it if it is
3170 * non-NULL.
3171 */
3172 dasetgeom(periph, block_size, maxsector,
3173 rcaplong, sizeof(*rcaplong));
3174 lbp = (lalba & SRC16_LBPME_A);
3175 dp = &softc->params;
3176 snprintf(announce_buf, sizeof(announce_buf),
3177 "%juMB (%ju %u byte sectors)",
3178 ((uintmax_t)dp->secsize * dp->sectors) /
3179 (1024 * 1024),
3180 (uintmax_t)dp->sectors, dp->secsize);
3181 }
3182 } else {
3183 int error;
3184
3185 announce_buf[0] = '\0';
3186
3187 /*
3188 * Retry any UNIT ATTENTION type errors. They
3189 * are expected at boot.
3190 */
3191 error = daerror(done_ccb, CAM_RETRY_SELTO,
3192 SF_RETRY_UA|SF_NO_PRINT);
3193 if (error == ERESTART) {
3194 /*
3195 * A retry was scheuled, so
3196 * just return.
3197 */
3198 return;
3199 } else if (error != 0) {
3200 int asc, ascq;
3201 int sense_key, error_code;
3202 int have_sense;
3203 cam_status status;
3204 struct ccb_getdev cgd;
3205
3206 /* Don't wedge this device's queue */
3207 status = done_ccb->ccb_h.status;
3208 if ((status & CAM_DEV_QFRZN) != 0)
3209 cam_release_devq(done_ccb->ccb_h.path,
3210 /*relsim_flags*/0,
3211 /*reduction*/0,
3212 /*timeout*/0,
3213 /*getcount_only*/0);
3214
3215
3216 xpt_setup_ccb(&cgd.ccb_h,
3217 done_ccb->ccb_h.path,
3218 CAM_PRIORITY_NORMAL);
3219 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
3220 xpt_action((union ccb *)&cgd);
3221
3222 if (scsi_extract_sense_ccb(done_ccb,
3223 &error_code, &sense_key, &asc, &ascq))
3224 have_sense = TRUE;
3225 else
3226 have_sense = FALSE;
3227
3228 /*
3229 * If we tried READ CAPACITY(16) and failed,
3230 * fallback to READ CAPACITY(10).
3231 */
3232 if ((state == DA_CCB_PROBE_RC16) &&
3233 (softc->flags & DA_FLAG_CAN_RC16) &&
3234 (((csio->ccb_h.status & CAM_STATUS_MASK) ==
3235 CAM_REQ_INVALID) ||
3236 ((have_sense) &&
3237 (error_code == SSD_CURRENT_ERROR) &&
3238 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
3239 softc->flags &= ~DA_FLAG_CAN_RC16;
3240 free(rdcap, M_SCSIDA);
3241 xpt_release_ccb(done_ccb);
3242 softc->state = DA_STATE_PROBE_RC;
3243 xpt_schedule(periph, priority);
3244 return;
3245 } else
3246 /*
3247 * Attach to anything that claims to be a
3248 * direct access or optical disk device,
3249 * as long as it doesn't return a "Logical
3250 * unit not supported" (0x25) error.
3251 */
3252 if ((have_sense) && (asc != 0x25)
3253 && (error_code == SSD_CURRENT_ERROR)) {
3254 const char *sense_key_desc;
3255 const char *asc_desc;
3256
3257 dasetgeom(periph, 512, -1, NULL, 0);
3258 scsi_sense_desc(sense_key, asc, ascq,
3259 &cgd.inq_data,
3260 &sense_key_desc,
3261 &asc_desc);
3262 snprintf(announce_buf,
3263 sizeof(announce_buf),
3264 "Attempt to query device "
3265 "size failed: %s, %s",
3266 sense_key_desc,
3267 asc_desc);
3268 } else {
3269 if (have_sense)
3270 scsi_sense_print(
3271 &done_ccb->csio);
3272 else {
3273 xpt_print(periph->path,
3274 "got CAM status %#x\n",
3275 done_ccb->ccb_h.status);
3276 }
3277
3278 xpt_print(periph->path, "fatal error, "
3279 "failed to attach to device\n");
3280
3281 /*
3282 * Free up resources.
3283 */
3284 cam_periph_invalidate(periph);
3285 }
3286 }
3287 }
3288 free(csio->data_ptr, M_SCSIDA);
3289 if (announce_buf[0] != '\0' &&
3290 ((softc->flags & DA_FLAG_ANNOUNCED) == 0)) {
3291 /*
3292 * Create our sysctl variables, now that we know
3293 * we have successfully attached.
3294 */
3295 /* increase the refcount */
3296 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3297 taskqueue_enqueue(taskqueue_thread,
3298 &softc->sysctl_task);
3299 xpt_announce_periph(periph, announce_buf);
3300 xpt_announce_quirks(periph, softc->quirks,
3301 DA_Q_BIT_STRING);
3302 } else {
3303 xpt_print(periph->path, "fatal error, "
3304 "could not acquire reference count\n");
3305 }
3306 }
3307
3308 /* We already probed the device. */
3309 if (softc->flags & DA_FLAG_PROBED) {
3310 daprobedone(periph, done_ccb);
3311 return;
3312 }
3313
3314 /* Ensure re-probe doesn't see old delete. */
3315 softc->delete_available = 0;
3316 dadeleteflag(softc, DA_DELETE_ZERO, 1);
3317 if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3318 /*
3319 * Based on older SBC-3 spec revisions
3320 * any of the UNMAP methods "may" be
3321 * available via LBP given this flag so
3322 * we flag all of them as available and
3323 * then remove those which further
3324 * probes confirm aren't available
3325 * later.
3326 *
3327 * We could also check readcap(16) p_type
3328 * flag to exclude one or more invalid
3329 * write same (X) types here
3330 */
3331 dadeleteflag(softc, DA_DELETE_WS16, 1);
3332 dadeleteflag(softc, DA_DELETE_WS10, 1);
3333 dadeleteflag(softc, DA_DELETE_UNMAP, 1);
3334
3335 xpt_release_ccb(done_ccb);
3336 softc->state = DA_STATE_PROBE_LBP;
3337 xpt_schedule(periph, priority);
3338 return;
3339 }
3340
3341 xpt_release_ccb(done_ccb);
3342 softc->state = DA_STATE_PROBE_BDC;
3343 xpt_schedule(periph, priority);
3344 return;
3345 }
3346 case DA_CCB_PROBE_LBP:
3347 {
3348 struct scsi_vpd_logical_block_prov *lbp;
3349
3350 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3351
3352 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3353 /*
3354 * T10/1799-D Revision 31 states at least one of these
3355 * must be supported but we don't currently enforce this.
3356 */
3357 dadeleteflag(softc, DA_DELETE_WS16,
3358 (lbp->flags & SVPD_LBP_WS16));
3359 dadeleteflag(softc, DA_DELETE_WS10,
3360 (lbp->flags & SVPD_LBP_WS10));
3361 dadeleteflag(softc, DA_DELETE_UNMAP,
3362 (lbp->flags & SVPD_LBP_UNMAP));
3363 } else {
3364 int error;
3365 error = daerror(done_ccb, CAM_RETRY_SELTO,
3366 SF_RETRY_UA|SF_NO_PRINT);
3367 if (error == ERESTART)
3368 return;
3369 else if (error != 0) {
3370 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3371 /* Don't wedge this device's queue */
3372 cam_release_devq(done_ccb->ccb_h.path,
3373 /*relsim_flags*/0,
3374 /*reduction*/0,
3375 /*timeout*/0,
3376 /*getcount_only*/0);
3377 }
3378
3379 /*
3380 * Failure indicates we don't support any SBC-3
3381 * delete methods with UNMAP
3382 */
3383 }
3384 }
3385
3386 free(lbp, M_SCSIDA);
3387 xpt_release_ccb(done_ccb);
3388 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3389 xpt_schedule(periph, priority);
3390 return;
3391 }
3392 case DA_CCB_PROBE_BLK_LIMITS:
3393 {
3394 struct scsi_vpd_block_limits *block_limits;
3395
3396 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3397
3398 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3399 uint32_t max_txfer_len = scsi_4btoul(
3400 block_limits->max_txfer_len);
3401 uint32_t max_unmap_lba_cnt = scsi_4btoul(
3402 block_limits->max_unmap_lba_cnt);
3403 uint32_t max_unmap_blk_cnt = scsi_4btoul(
3404 block_limits->max_unmap_blk_cnt);
3405 uint64_t ws_max_blks = scsi_8btou64(
3406 block_limits->max_write_same_length);
3407
3408 if (max_txfer_len != 0) {
3409 softc->disk->d_maxsize = MIN(softc->maxio,
3410 (off_t)max_txfer_len * softc->params.secsize);
3411 }
3412
3413 /*
3414 * We should already support UNMAP but we check lba
3415 * and block count to be sure
3416 */
3417 if (max_unmap_lba_cnt != 0x00L &&
3418 max_unmap_blk_cnt != 0x00L) {
3419 softc->unmap_max_lba = max_unmap_lba_cnt;
3420 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3421 UNMAP_MAX_RANGES);
3422 } else {
3423 /*
3424 * Unexpected UNMAP limits which means the
3425 * device doesn't actually support UNMAP
3426 */
3427 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3428 }
3429
3430 if (ws_max_blks != 0x00L)
3431 softc->ws_max_blks = ws_max_blks;
3432 } else {
3433 int error;
3434 error = daerror(done_ccb, CAM_RETRY_SELTO,
3435 SF_RETRY_UA|SF_NO_PRINT);
3436 if (error == ERESTART)
3437 return;
3438 else if (error != 0) {
3439 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3440 /* Don't wedge this device's queue */
3441 cam_release_devq(done_ccb->ccb_h.path,
3442 /*relsim_flags*/0,
3443 /*reduction*/0,
3444 /*timeout*/0,
3445 /*getcount_only*/0);
3446 }
3447
3448 /*
3449 * Failure here doesn't mean UNMAP is not
3450 * supported as this is an optional page.
3451 */
3452 softc->unmap_max_lba = 1;
3453 softc->unmap_max_ranges = 1;
3454 }
3455 }
3456
3457 free(block_limits, M_SCSIDA);
3458 xpt_release_ccb(done_ccb);
3459 softc->state = DA_STATE_PROBE_BDC;
3460 xpt_schedule(periph, priority);
3461 return;
3462 }
3463 case DA_CCB_PROBE_BDC:
3464 {
3465 struct scsi_vpd_block_characteristics *bdc;
3466
3467 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3468
3469 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3470 /*
3471 * Disable queue sorting for non-rotational media
3472 * by default.
3473 */
3474 u_int16_t old_rate = softc->disk->d_rotation_rate;
3475
3476 softc->disk->d_rotation_rate =
3477 scsi_2btoul(bdc->medium_rotation_rate);
3478 if (softc->disk->d_rotation_rate ==
3479 SVPD_BDC_RATE_NON_ROTATING) {
3480 softc->sort_io_queue = 0;
3481 }
3482 if (softc->disk->d_rotation_rate != old_rate) {
3483 disk_attr_changed(softc->disk,
3484 "GEOM::rotation_rate", M_NOWAIT);
3485 }
3486 } else {
3487 int error;
3488 error = daerror(done_ccb, CAM_RETRY_SELTO,
3489 SF_RETRY_UA|SF_NO_PRINT);
3490 if (error == ERESTART)
3491 return;
3492 else if (error != 0) {
3493 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3494 /* Don't wedge this device's queue */
3495 cam_release_devq(done_ccb->ccb_h.path,
3496 /*relsim_flags*/0,
3497 /*reduction*/0,
3498 /*timeout*/0,
3499 /*getcount_only*/0);
3500 }
3501 }
3502 }
3503
3504 free(bdc, M_SCSIDA);
3505 xpt_release_ccb(done_ccb);
3506 softc->state = DA_STATE_PROBE_ATA;
3507 xpt_schedule(periph, priority);
3508 return;
3509 }
3510 case DA_CCB_PROBE_ATA:
3511 {
3512 int i;
3513 struct ata_params *ata_params;
3514 int16_t *ptr;
3515
3516 ata_params = (struct ata_params *)csio->data_ptr;
3517 ptr = (uint16_t *)ata_params;
3518
3519 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3520 uint16_t old_rate;
3521
3522 for (i = 0; i < sizeof(*ata_params) / 2; i++)
3523 ptr[i] = le16toh(ptr[i]);
3524 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM &&
3525 (softc->quirks & DA_Q_NO_UNMAP) == 0) {
3526 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3527 if (ata_params->max_dsm_blocks != 0)
3528 softc->trim_max_ranges = min(
3529 softc->trim_max_ranges,
3530 ata_params->max_dsm_blocks *
3531 ATA_DSM_BLK_RANGES);
3532 }
3533 /*
3534 * Disable queue sorting for non-rotational media
3535 * by default.
3536 */
3537 old_rate = softc->disk->d_rotation_rate;
3538 softc->disk->d_rotation_rate =
3539 ata_params->media_rotation_rate;
3540 if (softc->disk->d_rotation_rate ==
3541 ATA_RATE_NON_ROTATING) {
3542 softc->sort_io_queue = 0;
3543 }
3544
3545 if (softc->disk->d_rotation_rate != old_rate) {
3546 disk_attr_changed(softc->disk,
3547 "GEOM::rotation_rate", M_NOWAIT);
3548 }
3549 } else {
3550 int error;
3551 error = daerror(done_ccb, CAM_RETRY_SELTO,
3552 SF_RETRY_UA|SF_NO_PRINT);
3553 if (error == ERESTART)
3554 return;
3555 else if (error != 0) {
3556 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3557 /* Don't wedge this device's queue */
3558 cam_release_devq(done_ccb->ccb_h.path,
3559 /*relsim_flags*/0,
3560 /*reduction*/0,
3561 /*timeout*/0,
3562 /*getcount_only*/0);
3563 }
3564 }
3565 }
3566
3567 free(ata_params, M_SCSIDA);
3568 daprobedone(periph, done_ccb);
3569 return;
3570 }
3571 case DA_CCB_DUMP:
3572 /* No-op. We're polling */
3573 return;
3574 case DA_CCB_TUR:
3575 {
3576 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3577
3578 if (daerror(done_ccb, CAM_RETRY_SELTO,
3579 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3580 ERESTART)
3581 return;
3582 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3583 cam_release_devq(done_ccb->ccb_h.path,
3584 /*relsim_flags*/0,
3585 /*reduction*/0,
3586 /*timeout*/0,
3587 /*getcount_only*/0);
3588 }
3589 xpt_release_ccb(done_ccb);
3590 cam_periph_release_locked(periph);
3591 return;
3592 }
3593 default:
3594 break;
3595 }
3596 xpt_release_ccb(done_ccb);
3597 }
3598
3599 static void
3600 dareprobe(struct cam_periph *periph)
3601 {
3602 struct da_softc *softc;
3603 cam_status status;
3604
3605 softc = (struct da_softc *)periph->softc;
3606
3607 /* Probe in progress; don't interfere. */
3608 if (softc->state != DA_STATE_NORMAL)
3609 return;
3610
3611 status = cam_periph_acquire(periph);
3612 KASSERT(status == CAM_REQ_CMP,
3613 ("dareprobe: cam_periph_acquire failed"));
3614
3615 if (softc->flags & DA_FLAG_CAN_RC16)
3616 softc->state = DA_STATE_PROBE_RC16;
3617 else
3618 softc->state = DA_STATE_PROBE_RC;
3619
3620 xpt_schedule(periph, CAM_PRIORITY_DEV);
3621 }
3622
3623 static int
3624 daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3625 {
3626 struct da_softc *softc;
3627 struct cam_periph *periph;
3628 int error, error_code, sense_key, asc, ascq;
3629
3630 periph = xpt_path_periph(ccb->ccb_h.path);
3631 softc = (struct da_softc *)periph->softc;
3632
3633 /*
3634 * Automatically detect devices that do not support
3635 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3636 */
3637 error = 0;
3638 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3639 error = cmd6workaround(ccb);
3640 } else if (scsi_extract_sense_ccb(ccb,
3641 &error_code, &sense_key, &asc, &ascq)) {
3642 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3643 error = cmd6workaround(ccb);
3644 /*
3645 * If the target replied with CAPACITY DATA HAS CHANGED UA,
3646 * query the capacity and notify upper layers.
3647 */
3648 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3649 asc == 0x2A && ascq == 0x09) {
3650 xpt_print(periph->path, "Capacity data has changed\n");
3651 softc->flags &= ~DA_FLAG_PROBED;
3652 dareprobe(periph);
3653 sense_flags |= SF_NO_PRINT;
3654 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3655 asc == 0x28 && ascq == 0x00) {
3656 softc->flags &= ~DA_FLAG_PROBED;
3657 disk_media_changed(softc->disk, M_NOWAIT);
3658 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3659 asc == 0x3F && ascq == 0x03) {
3660 xpt_print(periph->path, "INQUIRY data has changed\n");
3661 softc->flags &= ~DA_FLAG_PROBED;
3662 dareprobe(periph);
3663 sense_flags |= SF_NO_PRINT;
3664 } else if (sense_key == SSD_KEY_NOT_READY &&
3665 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3666 softc->flags |= DA_FLAG_PACK_INVALID;
3667 disk_media_gone(softc->disk, M_NOWAIT);
3668 }
3669 }
3670 if (error == ERESTART)
3671 return (ERESTART);
3672
3673 /*
3674 * XXX
3675 * Until we have a better way of doing pack validation,
3676 * don't treat UAs as errors.
3677 */
3678 sense_flags |= SF_RETRY_UA;
3679
3680 if (softc->quirks & DA_Q_RETRY_BUSY)
3681 sense_flags |= SF_RETRY_BUSY;
3682 return(cam_periph_error(ccb, cam_flags, sense_flags,
3683 &softc->saved_ccb));
3684 }
3685
3686 static void
3687 damediapoll(void *arg)
3688 {
3689 struct cam_periph *periph = arg;
3690 struct da_softc *softc = periph->softc;
3691
3692 if (!softc->tur && LIST_EMPTY(&softc->pending_ccbs)) {
3693 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3694 softc->tur = 1;
3695 daschedule(periph);
3696 }
3697 }
3698 /* Queue us up again */
3699 if (da_poll_period != 0)
3700 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3701 }
3702
3703 static void
3704 daprevent(struct cam_periph *periph, int action)
3705 {
3706 struct da_softc *softc;
3707 union ccb *ccb;
3708 int error;
3709
3710 softc = (struct da_softc *)periph->softc;
3711
3712 if (((action == PR_ALLOW)
3713 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3714 || ((action == PR_PREVENT)
3715 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3716 return;
3717 }
3718
3719 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3720
3721 scsi_prevent(&ccb->csio,
3722 /*retries*/1,
3723 /*cbcfp*/dadone,
3724 MSG_SIMPLE_Q_TAG,
3725 action,
3726 SSD_FULL_SIZE,
3727 5000);
3728
3729 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3730 SF_RETRY_UA | SF_NO_PRINT, softc->disk->d_devstat);
3731
3732 if (error == 0) {
3733 if (action == PR_ALLOW)
3734 softc->flags &= ~DA_FLAG_PACK_LOCKED;
3735 else
3736 softc->flags |= DA_FLAG_PACK_LOCKED;
3737 }
3738
3739 xpt_release_ccb(ccb);
3740 }
3741
3742 static void
3743 dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3744 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3745 {
3746 struct ccb_calc_geometry ccg;
3747 struct da_softc *softc;
3748 struct disk_params *dp;
3749 u_int lbppbe, lalba;
3750 int error;
3751
3752 softc = (struct da_softc *)periph->softc;
3753
3754 dp = &softc->params;
3755 dp->secsize = block_len;
3756 dp->sectors = maxsector + 1;
3757 if (rcaplong != NULL) {
3758 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3759 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3760 lalba &= SRC16_LALBA_A;
3761 } else {
3762 lbppbe = 0;
3763 lalba = 0;
3764 }
3765
3766 if (lbppbe > 0) {
3767 dp->stripesize = block_len << lbppbe;
3768 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3769 dp->stripesize;
3770 } else if (softc->quirks & DA_Q_4K) {
3771 dp->stripesize = 4096;
3772 dp->stripeoffset = 0;
3773 } else {
3774 dp->stripesize = 0;
3775 dp->stripeoffset = 0;
3776 }
3777 /*
3778 * Have the controller provide us with a geometry
3779 * for this disk. The only time the geometry
3780 * matters is when we boot and the controller
3781 * is the only one knowledgeable enough to come
3782 * up with something that will make this a bootable
3783 * device.
3784 */
3785 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3786 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3787 ccg.block_size = dp->secsize;
3788 ccg.volume_size = dp->sectors;
3789 ccg.heads = 0;
3790 ccg.secs_per_track = 0;
3791 ccg.cylinders = 0;
3792 xpt_action((union ccb*)&ccg);
3793 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3794 /*
3795 * We don't know what went wrong here- but just pick
3796 * a geometry so we don't have nasty things like divide
3797 * by zero.
3798 */
3799 dp->heads = 255;
3800 dp->secs_per_track = 255;
3801 dp->cylinders = dp->sectors / (255 * 255);
3802 if (dp->cylinders == 0) {
3803 dp->cylinders = 1;
3804 }
3805 } else {
3806 dp->heads = ccg.heads;
3807 dp->secs_per_track = ccg.secs_per_track;
3808 dp->cylinders = ccg.cylinders;
3809 }
3810
3811 /*
3812 * If the user supplied a read capacity buffer, and if it is
3813 * different than the previous buffer, update the data in the EDT.
3814 * If it's the same, we don't bother. This avoids sending an
3815 * update every time someone opens this device.
3816 */
3817 if ((rcaplong != NULL)
3818 && (bcmp(rcaplong, &softc->rcaplong,
3819 min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3820 struct ccb_dev_advinfo cdai;
3821
3822 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3823 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3824 cdai.buftype = CDAI_TYPE_RCAPLONG;
3825 cdai.flags = CDAI_FLAG_STORE;
3826 cdai.bufsiz = rcap_len;
3827 cdai.buf = (uint8_t *)rcaplong;
3828 xpt_action((union ccb *)&cdai);
3829 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3830 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3831 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3832 xpt_print(periph->path, "%s: failed to set read "
3833 "capacity advinfo\n", __func__);
3834 /* Use cam_error_print() to decode the status */
3835 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3836 CAM_EPF_ALL);
3837 } else {
3838 bcopy(rcaplong, &softc->rcaplong,
3839 min(sizeof(softc->rcaplong), rcap_len));
3840 }
3841 }
3842
3843 softc->disk->d_sectorsize = softc->params.secsize;
3844 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3845 softc->disk->d_stripesize = softc->params.stripesize;
3846 softc->disk->d_stripeoffset = softc->params.stripeoffset;
3847 /* XXX: these are not actually "firmware" values, so they may be wrong */
3848 softc->disk->d_fwsectors = softc->params.secs_per_track;
3849 softc->disk->d_fwheads = softc->params.heads;
3850 softc->disk->d_devstat->block_size = softc->params.secsize;
3851 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3852
3853 error = disk_resize(softc->disk, M_NOWAIT);
3854 if (error != 0)
3855 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3856 }
3857
3858 static void
3859 dasendorderedtag(void *arg)
3860 {
3861 struct da_softc *softc = arg;
3862
3863 if (da_send_ordered) {
3864 if (!LIST_EMPTY(&softc->pending_ccbs)) {
3865 if ((softc->flags & DA_FLAG_WAS_OTAG) == 0)
3866 softc->flags |= DA_FLAG_NEED_OTAG;
3867 softc->flags &= ~DA_FLAG_WAS_OTAG;
3868 }
3869 }
3870 /* Queue us up again */
3871 callout_reset(&softc->sendordered_c,
3872 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3873 dasendorderedtag, softc);
3874 }
3875
3876 /*
3877 * Step through all DA peripheral drivers, and if the device is still open,
3878 * sync the disk cache to physical media.
3879 */
3880 static void
3881 dashutdown(void * arg, int howto)
3882 {
3883 struct cam_periph *periph;
3884 struct da_softc *softc;
3885 union ccb *ccb;
3886 int error;
3887
3888 CAM_PERIPH_FOREACH(periph, &dadriver) {
3889 softc = (struct da_softc *)periph->softc;
3890 if (SCHEDULER_STOPPED()) {
3891 /* If we paniced with the lock held, do not recurse. */
3892 if (!cam_periph_owned(periph) &&
3893 (softc->flags & DA_FLAG_OPEN)) {
3894 dadump(softc->disk, NULL, 0, 0, 0);
3895 }
3896 continue;
3897 }
3898 cam_periph_lock(periph);
3899
3900 /*
3901 * We only sync the cache if the drive is still open, and
3902 * if the drive is capable of it..
3903 */
3904 if (((softc->flags & DA_FLAG_OPEN) == 0)
3905 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3906 cam_periph_unlock(periph);
3907 continue;
3908 }
3909
3910 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3911 scsi_synchronize_cache(&ccb->csio,
3912 /*retries*/0,
3913 /*cbfcnp*/dadone,
3914 MSG_SIMPLE_Q_TAG,
3915 /*begin_lba*/0, /* whole disk */
3916 /*lb_count*/0,
3917 SSD_FULL_SIZE,
3918 60 * 60 * 1000);
3919
3920 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3921 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3922 softc->disk->d_devstat);
3923 if (error != 0)
3924 xpt_print(periph->path, "Synchronize cache failed\n");
3925 xpt_release_ccb(ccb);
3926 cam_periph_unlock(periph);
3927 }
3928 }
3929
3930 #else /* !_KERNEL */
3931
3932 /*
3933 * XXX These are only left out of the kernel build to silence warnings. If,
3934 * for some reason these functions are used in the kernel, the ifdefs should
3935 * be moved so they are included both in the kernel and userland.
3936 */
3937 void
3938 scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3939 void (*cbfcnp)(struct cam_periph *, union ccb *),
3940 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3941 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3942 u_int32_t timeout)
3943 {
3944 struct scsi_format_unit *scsi_cmd;
3945
3946 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3947 scsi_cmd->opcode = FORMAT_UNIT;
3948 scsi_cmd->byte2 = byte2;
3949 scsi_ulto2b(ileave, scsi_cmd->interleave);
3950
3951 cam_fill_csio(csio,
3952 retries,
3953 cbfcnp,
3954 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3955 tag_action,
3956 data_ptr,
3957 dxfer_len,
3958 sense_len,
3959 sizeof(*scsi_cmd),
3960 timeout);
3961 }
3962
3963 void
3964 scsi_read_defects(struct ccb_scsiio *csio, uint32_t retries,
3965 void (*cbfcnp)(struct cam_periph *, union ccb *),
3966 uint8_t tag_action, uint8_t list_format,
3967 uint32_t addr_desc_index, uint8_t *data_ptr,
3968 uint32_t dxfer_len, int minimum_cmd_size,
3969 uint8_t sense_len, uint32_t timeout)
3970 {
3971 uint8_t cdb_len;
3972
3973 /*
3974 * These conditions allow using the 10 byte command. Otherwise we
3975 * need to use the 12 byte command.
3976 */
3977 if ((minimum_cmd_size <= 10)
3978 && (addr_desc_index == 0)
3979 && (dxfer_len <= SRDD10_MAX_LENGTH)) {
3980 struct scsi_read_defect_data_10 *cdb10;
3981
3982 cdb10 = (struct scsi_read_defect_data_10 *)
3983 &csio->cdb_io.cdb_bytes;
3984
3985 cdb_len = sizeof(*cdb10);
3986 bzero(cdb10, cdb_len);
3987 cdb10->opcode = READ_DEFECT_DATA_10;
3988 cdb10->format = list_format;
3989 scsi_ulto2b(dxfer_len, cdb10->alloc_length);
3990 } else {
3991 struct scsi_read_defect_data_12 *cdb12;
3992
3993 cdb12 = (struct scsi_read_defect_data_12 *)
3994 &csio->cdb_io.cdb_bytes;
3995
3996 cdb_len = sizeof(*cdb12);
3997 bzero(cdb12, cdb_len);
3998 cdb12->opcode = READ_DEFECT_DATA_12;
3999 cdb12->format = list_format;
4000 scsi_ulto4b(dxfer_len, cdb12->alloc_length);
4001 scsi_ulto4b(addr_desc_index, cdb12->address_descriptor_index);
4002 }
4003
4004 cam_fill_csio(csio,
4005 retries,
4006 cbfcnp,
4007 /*flags*/ CAM_DIR_IN,
4008 tag_action,
4009 data_ptr,
4010 dxfer_len,
4011 sense_len,
4012 cdb_len,
4013 timeout);
4014 }
4015
4016 void
4017 scsi_sanitize(struct ccb_scsiio *csio, u_int32_t retries,
4018 void (*cbfcnp)(struct cam_periph *, union ccb *),
4019 u_int8_t tag_action, u_int8_t byte2, u_int16_t control,
4020 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
4021 u_int32_t timeout)
4022 {
4023 struct scsi_sanitize *scsi_cmd;
4024
4025 scsi_cmd = (struct scsi_sanitize *)&csio->cdb_io.cdb_bytes;
4026 scsi_cmd->opcode = SANITIZE;
4027 scsi_cmd->byte2 = byte2;
4028 scsi_cmd->control = control;
4029 scsi_ulto2b(dxfer_len, scsi_cmd->length);
4030
4031 cam_fill_csio(csio,
4032 retries,
4033 cbfcnp,
4034 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
4035 tag_action,
4036 data_ptr,
4037 dxfer_len,
4038 sense_len,
4039 sizeof(*scsi_cmd),
4040 timeout);
4041 }
4042
4043 #endif /* _KERNEL */
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