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