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 <geom/geom.h>
49#include <geom/geom_disk.h>
50#endif /* _KERNEL */
51
52#ifndef _KERNEL
53#include <stdio.h>
54#include <string.h>
55#endif /* _KERNEL */
56
57#include <cam/cam.h>
58#include <cam/cam_ccb.h>
59#include <cam/cam_periph.h>
60#include <cam/cam_xpt_periph.h>
61#include <cam/cam_sim.h>
62
63#include <cam/scsi/scsi_message.h>
64
65#ifndef _KERNEL
66#include <cam/scsi/scsi_da.h>
67#endif /* !_KERNEL */
68
69#ifdef _KERNEL
70typedef enum {
71 DA_STATE_PROBE_RC,
72 DA_STATE_PROBE_RC16,
73 DA_STATE_PROBE_LBP,
74 DA_STATE_PROBE_BLK_LIMITS,
75 DA_STATE_PROBE_BDC,
76 DA_STATE_PROBE_ATA,
77 DA_STATE_NORMAL
78} da_state;
79
80typedef enum {
81 DA_FLAG_PACK_INVALID = 0x001,
82 DA_FLAG_NEW_PACK = 0x002,
83 DA_FLAG_PACK_LOCKED = 0x004,
84 DA_FLAG_PACK_REMOVABLE = 0x008,
85 DA_FLAG_NEED_OTAG = 0x020,
86 DA_FLAG_WENT_IDLE = 0x040,
87 DA_FLAG_RETRY_UA = 0x080,
88 DA_FLAG_OPEN = 0x100,
89 DA_FLAG_SCTX_INIT = 0x200,
90 DA_FLAG_CAN_RC16 = 0x400,
91 DA_FLAG_PROBED = 0x800
92} da_flags;
93
94typedef enum {
95 DA_Q_NONE = 0x00,
96 DA_Q_NO_SYNC_CACHE = 0x01,
97 DA_Q_NO_6_BYTE = 0x02,
98 DA_Q_NO_PREVENT = 0x04,
99 DA_Q_4K = 0x08
100} da_quirks;
101
102typedef enum {
103 DA_CCB_PROBE_RC = 0x01,
104 DA_CCB_PROBE_RC16 = 0x02,
105 DA_CCB_PROBE_LBP = 0x03,
106 DA_CCB_PROBE_BLK_LIMITS = 0x04,
107 DA_CCB_PROBE_BDC = 0x05,
108 DA_CCB_PROBE_ATA = 0x06,
109 DA_CCB_BUFFER_IO = 0x07,
110 DA_CCB_WAITING = 0x08,
111 DA_CCB_DUMP = 0x0A,
112 DA_CCB_DELETE = 0x0B,
113 DA_CCB_TUR = 0x0C,
114 DA_CCB_TYPE_MASK = 0x0F,
115 DA_CCB_RETRY_UA = 0x10
116} da_ccb_state;
117
118/*
119 * Order here is important for method choice
120 *
121 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
122 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
123 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
124 * import taking 5mins.
125 *
126 */
127typedef enum {
128 DA_DELETE_NONE,
129 DA_DELETE_DISABLE,
130 DA_DELETE_ATA_TRIM,
131 DA_DELETE_UNMAP,
132 DA_DELETE_WS16,
133 DA_DELETE_WS10,
134 DA_DELETE_ZERO,
135 DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
136 DA_DELETE_MAX = DA_DELETE_ZERO
137} da_delete_methods;
138
139static const char *da_delete_method_names[] =
140 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
141static const char *da_delete_method_desc[] =
142 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
143 "WRITE SAME(10) with UNMAP", "ZERO" };
144
145/* Offsets into our private area for storing information */
146#define ccb_state ppriv_field0
147#define ccb_bp ppriv_ptr1
148
149struct disk_params {
150 u_int8_t heads;
151 u_int32_t cylinders;
152 u_int8_t secs_per_track;
153 u_int32_t secsize; /* Number of bytes/sector */
154 u_int64_t sectors; /* total number sectors */
155 u_int stripesize;
156 u_int stripeoffset;
157};
158
159#define UNMAP_RANGE_MAX 0xffffffff
160#define UNMAP_HEAD_SIZE 8
161#define UNMAP_RANGE_SIZE 16
162#define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */
163#define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
164 UNMAP_HEAD_SIZE)
165
166#define WS10_MAX_BLKS 0xffff
167#define WS16_MAX_BLKS 0xffffffff
168#define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \
169 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
170
171struct da_softc {
172 struct bio_queue_head bio_queue;
173 struct bio_queue_head delete_queue;
174 struct bio_queue_head delete_run_queue;
175 SLIST_ENTRY(da_softc) links;
176 LIST_HEAD(, ccb_hdr) pending_ccbs;
177 da_state state;
178 da_flags flags;
179 da_quirks quirks;
180 int sort_io_queue;
181 int minimum_cmd_size;
182 int error_inject;
183 int ordered_tag_count;
184 int outstanding_cmds;
185 int trim_max_ranges;
186 int delete_running;
187 int tur;
188 int delete_available; /* Delete methods possibly available */
189 uint32_t unmap_max_ranges;
190 uint32_t unmap_max_lba;
191 uint64_t ws_max_blks;
192 da_delete_methods delete_method;
193 struct disk_params params;
194 struct disk *disk;
195 union ccb saved_ccb;
196 struct task sysctl_task;
197 struct sysctl_ctx_list sysctl_ctx;
198 struct sysctl_oid *sysctl_tree;
199 struct callout sendordered_c;
200 uint64_t wwpn;
201 uint8_t unmap_buf[UNMAP_BUF_SIZE];
202 struct scsi_read_capacity_data_long rcaplong;
203 struct callout mediapoll_c;
204};
205
206#define dadeleteflag(softc, delete_method, enable) \
207 if (enable) { \
208 softc->delete_available |= (1 << delete_method); \
209 } else { \
210 softc->delete_available &= ~(1 << delete_method); \
211 }
212
213struct da_quirk_entry {
214 struct scsi_inquiry_pattern inq_pat;
215 da_quirks quirks;
216};
217
218static const char quantum[] = "QUANTUM";
219static const char microp[] = "MICROP";
220
221static struct da_quirk_entry da_quirk_table[] =
222{
223 /* SPI, FC devices */
224 {
225 /*
226 * Fujitsu M2513A MO drives.
227 * Tested devices: M2513A2 firmware versions 1200 & 1300.
228 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
229 * Reported by: W.Scholten <whs@xs4all.nl>
230 */
231 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
232 /*quirks*/ DA_Q_NO_SYNC_CACHE
233 },
234 {
235 /* See above. */
236 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
237 /*quirks*/ DA_Q_NO_SYNC_CACHE
238 },
239 {
240 /*
241 * This particular Fujitsu drive doesn't like the
242 * synchronize cache command.
243 * Reported by: Tom Jackson <toj@gorilla.net>
244 */
245 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
246 /*quirks*/ DA_Q_NO_SYNC_CACHE
247 },
248 {
249 /*
250 * This drive doesn't like the synchronize cache command
251 * either. Reported by: Matthew Jacob <mjacob@feral.com>
252 * in NetBSD PR kern/6027, August 24, 1998.
253 */
254 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
255 /*quirks*/ DA_Q_NO_SYNC_CACHE
256 },
257 {
258 /*
259 * This drive doesn't like the synchronize cache command
260 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
261 * (PR 8882).
262 */
263 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
264 /*quirks*/ DA_Q_NO_SYNC_CACHE
265 },
266 {
267 /*
268 * Doesn't like the synchronize cache command.
269 * Reported by: Blaz Zupan <blaz@gold.amis.net>
270 */
271 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
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, quantum, "MAVERICK 540S", "*"},
280 /*quirks*/ DA_Q_NO_SYNC_CACHE
281 },
282 {
283 /*
284 * Doesn't like the synchronize cache command.
285 */
286 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
287 /*quirks*/ DA_Q_NO_SYNC_CACHE
288 },
289 {
290 /*
291 * Doesn't like the synchronize cache command.
292 * Reported by: walter@pelissero.de
293 */
294 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
295 /*quirks*/ DA_Q_NO_SYNC_CACHE
296 },
297 {
298 /*
299 * Doesn't work correctly with 6 byte reads/writes.
300 * Returns illegal request, and points to byte 9 of the
301 * 6-byte CDB.
302 * Reported by: Adam McDougall <bsdx@spawnet.com>
303 */
304 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
305 /*quirks*/ DA_Q_NO_6_BYTE
306 },
307 {
308 /* See above. */
309 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
310 /*quirks*/ DA_Q_NO_6_BYTE
311 },
312 {
313 /*
314 * Doesn't like the synchronize cache command.
315 * Reported by: walter@pelissero.de
316 */
317 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
318 /*quirks*/ DA_Q_NO_SYNC_CACHE
319 },
320 {
321 /*
322 * The CISS RAID controllers do not support SYNC_CACHE
323 */
324 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
325 /*quirks*/ DA_Q_NO_SYNC_CACHE
326 },
327 /* USB mass storage devices supported by umass(4) */
328 {
329 /*
330 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
331 * PR: kern/51675
332 */
333 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
334 /*quirks*/ DA_Q_NO_SYNC_CACHE
335 },
336 {
337 /*
338 * Power Quotient Int. (PQI) USB flash key
339 * PR: kern/53067
340 */
341 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
342 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
343 },
344 {
345 /*
346 * Creative Nomad MUVO mp3 player (USB)
347 * PR: kern/53094
348 */
349 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
350 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
351 },
352 {
353 /*
354 * Jungsoft NEXDISK USB flash key
355 * PR: kern/54737
356 */
357 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
358 /*quirks*/ DA_Q_NO_SYNC_CACHE
359 },
360 {
361 /*
362 * FreeDik USB Mini Data Drive
363 * PR: kern/54786
364 */
365 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
366 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
367 },
368 {
369 /*
370 * Sigmatel USB Flash MP3 Player
371 * PR: kern/57046
372 */
373 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
374 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
375 },
376 {
377 /*
378 * Neuros USB Digital Audio Computer
379 * PR: kern/63645
380 */
381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
382 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
383 },
384 {
385 /*
386 * SEAGRAND NP-900 MP3 Player
387 * PR: kern/64563
388 */
389 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
390 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
391 },
392 {
393 /*
394 * iRiver iFP MP3 player (with UMS Firmware)
395 * PR: kern/54881, i386/63941, kern/66124
396 */
397 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
398 /*quirks*/ DA_Q_NO_SYNC_CACHE
399 },
400 {
401 /*
402 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
403 * PR: kern/70158
404 */
405 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
406 /*quirks*/ DA_Q_NO_SYNC_CACHE
407 },
408 {
409 /*
410 * ZICPlay USB MP3 Player with FM
411 * PR: kern/75057
412 */
413 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
414 /*quirks*/ DA_Q_NO_SYNC_CACHE
415 },
416 {
417 /*
418 * TEAC USB floppy mechanisms
419 */
420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
421 /*quirks*/ DA_Q_NO_SYNC_CACHE
422 },
423 {
424 /*
425 * Kingston DataTraveler II+ USB Pen-Drive.
426 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
427 */
428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
429 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
430 },
431 {
432 /*
433 * USB DISK Pro PMAP
434 * Reported by: jhs
435 * PR: usb/96381
436 */
437 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
438 /*quirks*/ DA_Q_NO_SYNC_CACHE
439 },
440 {
441 /*
442 * Motorola E398 Mobile Phone (TransFlash memory card).
443 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
444 * PR: usb/89889
445 */
446 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
447 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
448 },
449 {
450 /*
451 * Qware BeatZkey! Pro
452 * PR: usb/79164
453 */
454 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
455 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
456 },
457 {
458 /*
459 * Time DPA20B 1GB MP3 Player
460 * PR: usb/81846
461 */
462 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
463 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
464 },
465 {
466 /*
467 * Samsung USB key 128Mb
468 * PR: usb/90081
469 */
470 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
471 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
472 },
473 {
474 /*
475 * Kingston DataTraveler 2.0 USB Flash memory.
476 * PR: usb/89196
477 */
478 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
479 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
480 },
481 {
482 /*
483 * Creative MUVO Slim mp3 player (USB)
484 * PR: usb/86131
485 */
486 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
487 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
488 },
489 {
490 /*
491 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
492 * PR: usb/80487
493 */
494 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
495 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
496 },
497 {
498 /*
499 * SanDisk Micro Cruzer 128MB
500 * PR: usb/75970
501 */
502 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
503 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
504 },
505 {
506 /*
507 * TOSHIBA TransMemory USB sticks
508 * PR: kern/94660
509 */
510 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
511 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
512 },
513 {
514 /*
515 * PNY USB Flash keys
516 * PR: usb/75578, usb/72344, usb/65436
517 */
518 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
519 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
520 },
521 {
522 /*
523 * Genesys 6-in-1 Card Reader
524 * PR: usb/94647
525 */
526 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
527 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
528 },
529 {
530 /*
531 * Rekam Digital CAMERA
532 * PR: usb/98713
533 */
534 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
535 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
536 },
537 {
538 /*
539 * iRiver H10 MP3 player
540 * PR: usb/102547
541 */
542 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
543 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
544 },
545 {
546 /*
547 * iRiver U10 MP3 player
548 * PR: usb/92306
549 */
550 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
551 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
552 },
553 {
554 /*
555 * X-Micro Flash Disk
556 * PR: usb/96901
557 */
558 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
559 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
560 },
561 {
562 /*
563 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
564 * PR: usb/96546
565 */
566 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
567 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
568 },
569 {
570 /*
571 * Denver MP3 player
572 * PR: usb/107101
573 */
574 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
575 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
576 },
577 {
578 /*
579 * Philips USB Key Audio KEY013
580 * PR: usb/68412
581 */
582 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
583 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
584 },
585 {
586 /*
587 * JNC MP3 Player
588 * PR: usb/94439
589 */
590 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
591 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
592 },
593 {
594 /*
595 * SAMSUNG MP0402H
596 * PR: usb/108427
597 */
598 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
599 /*quirks*/ DA_Q_NO_SYNC_CACHE
600 },
601 {
602 /*
603 * I/O Magic USB flash - Giga Bank
604 * PR: usb/108810
605 */
606 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
607 /*quirks*/ DA_Q_NO_SYNC_CACHE
608 },
609 {
610 /*
611 * JoyFly 128mb USB Flash Drive
612 * PR: 96133
613 */
614 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
615 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
616 },
617 {
618 /*
619 * ChipsBnk usb stick
620 * PR: 103702
621 */
622 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
623 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
624 },
625 {
626 /*
627 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
628 * PR: 129858
629 */
630 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
631 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
632 },
633 {
634 /*
635 * Samsung YP-U3 mp3-player
636 * PR: 125398
637 */
638 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
639 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
640 },
641 {
642 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
643 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
644 },
645 {
646 /*
647 * Sony Cyber-Shot DSC cameras
648 * PR: usb/137035
649 */
650 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
651 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
652 },
653 {
654 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
655 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
656 },
657 /* ATA/SATA devices over SAS/USB/... */
658 {
659 /* Hitachi Advanced Format (4k) drives */
660 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
661 /*quirks*/DA_Q_4K
662 },
663 {
664 /* Samsung Advanced Format (4k) drives */
665 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
666 /*quirks*/DA_Q_4K
667 },
668 {
669 /* Samsung Advanced Format (4k) drives */
670 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
671 /*quirks*/DA_Q_4K
672 },
673 {
674 /* Samsung Advanced Format (4k) drives */
675 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
676 /*quirks*/DA_Q_4K
677 },
678 {
679 /* Samsung Advanced Format (4k) drives */
680 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
681 /*quirks*/DA_Q_4K
682 },
683 {
684 /* Seagate Barracuda Green Advanced Format (4k) drives */
685 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
686 /*quirks*/DA_Q_4K
687 },
688 {
689 /* Seagate Barracuda Green Advanced Format (4k) drives */
690 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
691 /*quirks*/DA_Q_4K
692 },
693 {
694 /* Seagate Barracuda Green Advanced Format (4k) drives */
695 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
696 /*quirks*/DA_Q_4K
697 },
698 {
699 /* Seagate Barracuda Green Advanced Format (4k) drives */
700 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
701 /*quirks*/DA_Q_4K
702 },
703 {
704 /* Seagate Barracuda Green Advanced Format (4k) drives */
705 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
706 /*quirks*/DA_Q_4K
707 },
708 {
709 /* Seagate Barracuda Green Advanced Format (4k) drives */
710 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
711 /*quirks*/DA_Q_4K
712 },
713 {
714 /* Seagate Momentus Advanced Format (4k) drives */
715 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
716 /*quirks*/DA_Q_4K
717 },
718 {
719 /* Seagate Momentus Advanced Format (4k) drives */
720 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
721 /*quirks*/DA_Q_4K
722 },
723 {
724 /* Seagate Momentus Advanced Format (4k) drives */
725 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
726 /*quirks*/DA_Q_4K
727 },
728 {
729 /* Seagate Momentus Advanced Format (4k) drives */
730 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
731 /*quirks*/DA_Q_4K
732 },
733 {
734 /* Seagate Momentus Advanced Format (4k) drives */
735 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
736 /*quirks*/DA_Q_4K
737 },
738 {
739 /* Seagate Momentus Advanced Format (4k) drives */
740 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
741 /*quirks*/DA_Q_4K
742 },
743 {
744 /* Seagate Momentus Advanced Format (4k) drives */
745 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
746 /*quirks*/DA_Q_4K
747 },
748 {
749 /* Seagate Momentus Advanced Format (4k) drives */
750 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
751 /*quirks*/DA_Q_4K
752 },
753 {
754 /* Seagate Momentus Advanced Format (4k) drives */
755 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
756 /*quirks*/DA_Q_4K
757 },
758 {
759 /* Seagate Momentus Advanced Format (4k) drives */
760 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
761 /*quirks*/DA_Q_4K
762 },
763 {
764 /* Seagate Momentus Advanced Format (4k) drives */
765 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
766 /*quirks*/DA_Q_4K
767 },
768 {
769 /* Seagate Momentus Advanced Format (4k) drives */
770 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
771 /*quirks*/DA_Q_4K
772 },
773 {
774 /* Seagate Momentus Advanced Format (4k) drives */
775 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
776 /*quirks*/DA_Q_4K
777 },
778 {
779 /* Seagate Momentus Advanced Format (4k) drives */
780 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
781 /*quirks*/DA_Q_4K
782 },
783 {
784 /* Seagate Momentus Thin Advanced Format (4k) drives */
785 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
786 /*quirks*/DA_Q_4K
787 },
788 {
789 /* Seagate Momentus Thin Advanced Format (4k) drives */
790 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
791 /*quirks*/DA_Q_4K
792 },
793 {
794 /* WDC Caviar Green Advanced Format (4k) drives */
795 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
796 /*quirks*/DA_Q_4K
797 },
798 {
799 /* WDC Caviar Green Advanced Format (4k) drives */
800 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
801 /*quirks*/DA_Q_4K
802 },
803 {
804 /* WDC Caviar Green Advanced Format (4k) drives */
805 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
806 /*quirks*/DA_Q_4K
807 },
808 {
809 /* WDC Caviar Green Advanced Format (4k) drives */
810 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
811 /*quirks*/DA_Q_4K
812 },
813 {
814 /* WDC Caviar Green Advanced Format (4k) drives */
815 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
816 /*quirks*/DA_Q_4K
817 },
818 {
819 /* WDC Caviar Green Advanced Format (4k) drives */
820 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
821 /*quirks*/DA_Q_4K
822 },
823 {
824 /* WDC Caviar Green Advanced Format (4k) drives */
825 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
826 /*quirks*/DA_Q_4K
827 },
828 {
829 /* WDC Caviar Green Advanced Format (4k) drives */
830 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
831 /*quirks*/DA_Q_4K
832 },
833 {
834 /* WDC Scorpio Black Advanced Format (4k) drives */
835 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
836 /*quirks*/DA_Q_4K
837 },
838 {
839 /* WDC Scorpio Black Advanced Format (4k) drives */
840 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
841 /*quirks*/DA_Q_4K
842 },
843 {
844 /* WDC Scorpio Black Advanced Format (4k) drives */
845 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
846 /*quirks*/DA_Q_4K
847 },
848 {
849 /* WDC Scorpio Black Advanced Format (4k) drives */
850 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
851 /*quirks*/DA_Q_4K
852 },
853 {
854 /* WDC Scorpio Blue Advanced Format (4k) drives */
855 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
856 /*quirks*/DA_Q_4K
857 },
858 {
859 /* WDC Scorpio Blue Advanced Format (4k) drives */
860 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
861 /*quirks*/DA_Q_4K
862 },
863 {
864 /* WDC Scorpio Blue Advanced Format (4k) drives */
865 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
866 /*quirks*/DA_Q_4K
867 },
868 {
869 /* WDC Scorpio Blue Advanced Format (4k) drives */
870 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
871 /*quirks*/DA_Q_4K
872 },
873 {
874 /*
875 * Olympus FE-210 camera
876 */
877 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
878 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
879 },
880 {
881 /*
882 * LG UP3S MP3 player
883 */
884 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
885 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
886 },
887 {
888 /*
889 * Laser MP3-2GA13 MP3 player
890 */
891 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
892 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
893 },
894 {
895 /*
896 * LaCie external 250GB Hard drive des by Porsche
897 * Submitted by: Ben Stuyts <ben@altesco.nl>
898 * PR: 121474
899 */
900 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
901 /*quirks*/ DA_Q_NO_SYNC_CACHE
902 },
903};
904
905static disk_strategy_t dastrategy;
906static dumper_t dadump;
907static periph_init_t dainit;
908static void daasync(void *callback_arg, u_int32_t code,
909 struct cam_path *path, void *arg);
910static void dasysctlinit(void *context, int pending);
911static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
912static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
913static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
914static void dadeletemethodset(struct da_softc *softc,
915 da_delete_methods delete_method);
916static off_t dadeletemaxsize(struct da_softc *softc,
917 da_delete_methods delete_method);
918static void dadeletemethodchoose(struct da_softc *softc,
919 da_delete_methods default_method);
920static void daprobedone(struct cam_periph *periph, union ccb *ccb);
921
922static periph_ctor_t daregister;
923static periph_dtor_t dacleanup;
924static periph_start_t dastart;
925static periph_oninv_t daoninvalidate;
926static void dadone(struct cam_periph *periph,
927 union ccb *done_ccb);
928static int daerror(union ccb *ccb, u_int32_t cam_flags,
929 u_int32_t sense_flags);
930static void daprevent(struct cam_periph *periph, int action);
931static void dareprobe(struct cam_periph *periph);
932static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
933 uint64_t maxsector,
934 struct scsi_read_capacity_data_long *rcaplong,
935 size_t rcap_size);
936static timeout_t dasendorderedtag;
937static void dashutdown(void *arg, int howto);
938static timeout_t damediapoll;
939
940#ifndef DA_DEFAULT_POLL_PERIOD
941#define DA_DEFAULT_POLL_PERIOD 3
942#endif
943
944#ifndef DA_DEFAULT_TIMEOUT
945#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
946#endif
947
948#ifndef DA_DEFAULT_RETRY
949#define DA_DEFAULT_RETRY 4
950#endif
951
952#ifndef DA_DEFAULT_SEND_ORDERED
953#define DA_DEFAULT_SEND_ORDERED 1
954#endif
955
956#define DA_SIO (softc->sort_io_queue >= 0 ? \
957 softc->sort_io_queue : cam_sort_io_queues)
958
959static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
960static int da_retry_count = DA_DEFAULT_RETRY;
961static int da_default_timeout = DA_DEFAULT_TIMEOUT;
962static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
963
964static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
965 "CAM Direct Access Disk driver");
966SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
967 &da_poll_period, 0, "Media polling period in seconds");
968TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
969SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
970 &da_retry_count, 0, "Normal I/O retry count");
971TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
972SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
973 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
974TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
975SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
976 &da_send_ordered, 0, "Send Ordered Tags");
977TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
978
979/*
980 * DA_ORDEREDTAG_INTERVAL determines how often, relative
981 * to the default timeout, we check to see whether an ordered
982 * tagged transaction is appropriate to prevent simple tag
983 * starvation. Since we'd like to ensure that there is at least
984 * 1/2 of the timeout length left for a starved transaction to
985 * complete after we've sent an ordered tag, we must poll at least
986 * four times in every timeout period. This takes care of the worst
987 * case where a starved transaction starts during an interval that
988 * meets the requirement "don't send an ordered tag" test so it takes
989 * us two intervals to determine that a tag must be sent.
990 */
991#ifndef DA_ORDEREDTAG_INTERVAL
992#define DA_ORDEREDTAG_INTERVAL 4
993#endif
994
995static struct periph_driver dadriver =
996{
997 dainit, "da",
998 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
999};
1000
1001PERIPHDRIVER_DECLARE(da, dadriver);
1002
1003static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1004
1005static int
1006daopen(struct disk *dp)
1007{
1008 struct cam_periph *periph;
1009 struct da_softc *softc;
1010 int error;
1011
1012 periph = (struct cam_periph *)dp->d_drv1;
1013 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1014 return (ENXIO);
1015 }
1016
1017 cam_periph_lock(periph);
1018 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1019 cam_periph_unlock(periph);
1020 cam_periph_release(periph);
1021 return (error);
1022 }
1023
1024 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1025 ("daopen\n"));
1026
1027 softc = (struct da_softc *)periph->softc;
1028 dareprobe(periph);
1029
1030 /* Wait for the disk size update. */
1031 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1032 "dareprobe", 0);
1033 if (error != 0)
1034 xpt_print(periph->path, "unable to retrieve capacity data");
1035
1036 if (periph->flags & CAM_PERIPH_INVALID)
1037 error = ENXIO;
1038
1039 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1040 (softc->quirks & DA_Q_NO_PREVENT) == 0)
1041 daprevent(periph, PR_PREVENT);
1042
1043 if (error == 0) {
1044 softc->flags &= ~DA_FLAG_PACK_INVALID;
1045 softc->flags |= DA_FLAG_OPEN;
1046 }
1047
1048 cam_periph_unhold(periph);
1049 cam_periph_unlock(periph);
1050
1051 if (error != 0)
1052 cam_periph_release(periph);
1053
1054 return (error);
1055}
1056
1057static int
1058daclose(struct disk *dp)
1059{
1060 struct cam_periph *periph;
1061 struct da_softc *softc;
1062
1063 periph = (struct cam_periph *)dp->d_drv1;
1064 cam_periph_lock(periph);
1065 if (cam_periph_hold(periph, PRIBIO) != 0) {
1066 cam_periph_unlock(periph);
1067 cam_periph_release(periph);
1068 return (0);
1069 }
1070
1071 softc = (struct da_softc *)periph->softc;
1072
1073 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1074 ("daclose\n"));
1075
1076 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0
1077 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1078 union ccb *ccb;
1079
1080 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1081
1082 scsi_synchronize_cache(&ccb->csio,
1083 /*retries*/1,
1084 /*cbfcnp*/dadone,
1085 MSG_SIMPLE_Q_TAG,
1086 /*begin_lba*/0,/* Cover the whole disk */
1087 /*lb_count*/0,
1088 SSD_FULL_SIZE,
1089 5 * 60 * 1000);
1090
1091 cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1092 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1093 softc->disk->d_devstat);
1094 xpt_release_ccb(ccb);
1095
1096 }
1097
1098 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
1099 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
1100 daprevent(periph, PR_ALLOW);
1101 /*
1102 * If we've got removeable media, mark the blocksize as
1103 * unavailable, since it could change when new media is
1104 * inserted.
1105 */
1106 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1107 }
1108
1109 softc->flags &= ~DA_FLAG_OPEN;
1110 cam_periph_unhold(periph);
1111 cam_periph_unlock(periph);
1112 cam_periph_release(periph);
1113 return (0);
1114}
1115
1116static void
1117daschedule(struct cam_periph *periph)
1118{
1119 struct da_softc *softc = (struct da_softc *)periph->softc;
1120 uint32_t prio;
1121
1122 if (softc->state != DA_STATE_NORMAL)
1123 return;
1124
1125 /* Check if cam_periph_getccb() was called. */
1126 prio = periph->immediate_priority;
1127
1128 /* Check if we have more work to do. */
1129 if (bioq_first(&softc->bio_queue) ||
1130 (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1131 softc->tur) {
1132 prio = CAM_PRIORITY_NORMAL;
1133 }
1134
1135 /* Schedule CCB if any of above is true. */
1136 if (prio != CAM_PRIORITY_NONE)
1137 xpt_schedule(periph, prio);
1138}
1139
1140/*
1141 * Actually translate the requested transfer into one the physical driver
1142 * can understand. The transfer is described by a buf and will include
1143 * only one physical transfer.
1144 */
1145static void
1146dastrategy(struct bio *bp)
1147{
1148 struct cam_periph *periph;
1149 struct da_softc *softc;
1150
1151 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1152 softc = (struct da_softc *)periph->softc;
1153
1154 cam_periph_lock(periph);
1155
1156 /*
1157 * If the device has been made invalid, error out
1158 */
1159 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1160 cam_periph_unlock(periph);
1161 biofinish(bp, NULL, ENXIO);
1162 return;
1163 }
1164
1165 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1166
1167 /*
1168 * Place it in the queue of disk activities for this disk
1169 */
1170 if (bp->bio_cmd == BIO_DELETE) {
1171 if (bp->bio_bcount == 0)
1172 biodone(bp);
1173 else if (DA_SIO)
1174 bioq_disksort(&softc->delete_queue, bp);
1175 else
1176 bioq_insert_tail(&softc->delete_queue, bp);
1177 } else if (DA_SIO) {
1178 bioq_disksort(&softc->bio_queue, bp);
1179 } else {
1180 bioq_insert_tail(&softc->bio_queue, bp);
1181 }
1182
1183 /*
1184 * Schedule ourselves for performing the work.
1185 */
1186 daschedule(periph);
1187 cam_periph_unlock(periph);
1188
1189 return;
1190}
1191
1192static int
1193dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1194{
1195 struct cam_periph *periph;
1196 struct da_softc *softc;
1197 u_int secsize;
1198 struct ccb_scsiio csio;
1199 struct disk *dp;
1200 int error = 0;
1201
1202 dp = arg;
1203 periph = dp->d_drv1;
1204 softc = (struct da_softc *)periph->softc;
1205 cam_periph_lock(periph);
1206 secsize = softc->params.secsize;
1207
1208 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1209 cam_periph_unlock(periph);
1210 return (ENXIO);
1211 }
1212
1213 if (length > 0) {
1214 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1215 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1216 scsi_read_write(&csio,
1217 /*retries*/0,
1218 dadone,
1219 MSG_ORDERED_Q_TAG,
1220 /*read*/SCSI_RW_WRITE,
1221 /*byte2*/0,
1222 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1223 offset / secsize,
1224 length / secsize,
1225 /*data_ptr*/(u_int8_t *) virtual,
1226 /*dxfer_len*/length,
1227 /*sense_len*/SSD_FULL_SIZE,
1228 da_default_timeout * 1000);
1229 xpt_polled_action((union ccb *)&csio);
1230
1231 error = cam_periph_error((union ccb *)&csio,
1232 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1233 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1234 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1235 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1236 if (error != 0)
1237 printf("Aborting dump due to I/O error.\n");
1238 cam_periph_unlock(periph);
1239 return (error);
1240 }
1241
1242 /*
1243 * Sync the disk cache contents to the physical media.
1244 */
1245 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1246
1247 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1248 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1249 scsi_synchronize_cache(&csio,
1250 /*retries*/0,
1251 /*cbfcnp*/dadone,
1252 MSG_SIMPLE_Q_TAG,
1253 /*begin_lba*/0,/* Cover the whole disk */
1254 /*lb_count*/0,
1255 SSD_FULL_SIZE,
1256 5 * 60 * 1000);
1257 xpt_polled_action((union ccb *)&csio);
1258
1259 error = cam_periph_error((union ccb *)&csio,
1260 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1261 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1262 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1263 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1264 if (error != 0)
1265 xpt_print(periph->path, "Synchronize cache failed\n");
1266 }
1267 cam_periph_unlock(periph);
1268 return (error);
1269}
1270
1271static int
1272dagetattr(struct bio *bp)
1273{
1274 int ret;
1275 struct cam_periph *periph;
1276
1277 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1278 cam_periph_lock(periph);
1279 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1280 periph->path);
1281 cam_periph_unlock(periph);
1282 if (ret == 0)
1283 bp->bio_completed = bp->bio_length;
1284 return ret;
1285}
1286
1287static void
1288dainit(void)
1289{
1290 cam_status status;
1291
1292 /*
1293 * Install a global async callback. This callback will
1294 * receive async callbacks like "new device found".
1295 */
1296 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1297
1298 if (status != CAM_REQ_CMP) {
1299 printf("da: Failed to attach master async callback "
1300 "due to status 0x%x!\n", status);
1301 } else if (da_send_ordered) {
1302
1303 /* Register our shutdown event handler */
1304 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1305 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1306 printf("dainit: shutdown event registration failed!\n");
1307 }
1308}
1309
1310/*
1311 * Callback from GEOM, called when it has finished cleaning up its
1312 * resources.
1313 */
1314static void
1315dadiskgonecb(struct disk *dp)
1316{
1317 struct cam_periph *periph;
1318
1319 periph = (struct cam_periph *)dp->d_drv1;
1320 cam_periph_release(periph);
1321}
1322
1323static void
1324daoninvalidate(struct cam_periph *periph)
1325{
1326 struct da_softc *softc;
1327
1328 softc = (struct da_softc *)periph->softc;
1329
1330 /*
1331 * De-register any async callbacks.
1332 */
1333 xpt_register_async(0, daasync, periph, periph->path);
1334
1335 softc->flags |= DA_FLAG_PACK_INVALID;
1336
1337 /*
1338 * Return all queued I/O with ENXIO.
1339 * XXX Handle any transactions queued to the card
1340 * with XPT_ABORT_CCB.
1341 */
1342 bioq_flush(&softc->bio_queue, NULL, ENXIO);
1343 bioq_flush(&softc->delete_queue, NULL, ENXIO);
1344
1345 /*
1346 * Tell GEOM that we've gone away, we'll get a callback when it is
1347 * done cleaning up its resources.
1348 */
1349 disk_gone(softc->disk);
1350
1351 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n",
1352 softc->outstanding_cmds, periph->refcount);
1353}
1354
1355static void
1356dacleanup(struct cam_periph *periph)
1357{
1358 struct da_softc *softc;
1359
1360 softc = (struct da_softc *)periph->softc;
1361
1362 xpt_print(periph->path, "removing device entry\n");
1363 cam_periph_unlock(periph);
1364
1365 /*
1366 * If we can't free the sysctl tree, oh well...
1367 */
1368 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1369 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1370 xpt_print(periph->path, "can't remove sysctl context\n");
1371 }
1372
1373 callout_drain(&softc->mediapoll_c);
1374 disk_destroy(softc->disk);
1375 callout_drain(&softc->sendordered_c);
1376 free(softc, M_DEVBUF);
1377 cam_periph_lock(periph);
1378}
1379
1380static void
1381daasync(void *callback_arg, u_int32_t code,
1382 struct cam_path *path, void *arg)
1383{
1384 struct cam_periph *periph;
1385 struct da_softc *softc;
1386
1387 periph = (struct cam_periph *)callback_arg;
1388 switch (code) {
1389 case AC_FOUND_DEVICE:
1390 {
1391 struct ccb_getdev *cgd;
1392 cam_status status;
1393
1394 cgd = (struct ccb_getdev *)arg;
1395 if (cgd == NULL)
1396 break;
1397
1398 if (cgd->protocol != PROTO_SCSI)
1399 break;
1400
1401 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1402 && SID_TYPE(&cgd->inq_data) != T_RBC
1403 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1404 break;
1405
1406 /*
1407 * Allocate a peripheral instance for
1408 * this device and start the probe
1409 * process.
1410 */
1411 status = cam_periph_alloc(daregister, daoninvalidate,
1412 dacleanup, dastart,
1413 "da", CAM_PERIPH_BIO,
1414 cgd->ccb_h.path, daasync,
1415 AC_FOUND_DEVICE, cgd);
1416
1417 if (status != CAM_REQ_CMP
1418 && status != CAM_REQ_INPROG)
1419 printf("daasync: Unable to attach to new device "
1420 "due to status 0x%x\n", status);
1421 return;
1422 }
1423 case AC_ADVINFO_CHANGED:
1424 {
1425 uintptr_t buftype;
1426
1427 buftype = (uintptr_t)arg;
1428 if (buftype == CDAI_TYPE_PHYS_PATH) {
1429 struct da_softc *softc;
1430
1431 softc = periph->softc;
1432 disk_attr_changed(softc->disk, "GEOM::physpath",
1433 M_NOWAIT);
1434 }
1435 break;
1436 }
1437 case AC_UNIT_ATTENTION:
1438 {
1439 union ccb *ccb;
1440 int error_code, sense_key, asc, ascq;
1441
1442 softc = (struct da_softc *)periph->softc;
1443 ccb = (union ccb *)arg;
1444
1445 /*
1446 * Handle all UNIT ATTENTIONs except our own,
1447 * as they will be handled by daerror().
1448 */
1449 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1450 scsi_extract_sense_ccb(ccb,
1451 &error_code, &sense_key, &asc, &ascq)) {
1452 if (asc == 0x2A && ascq == 0x09) {
1453 xpt_print(ccb->ccb_h.path,
1454 "capacity data has changed\n");
1455 dareprobe(periph);
1456 } else if (asc == 0x28 && ascq == 0x00)
1457 disk_media_changed(softc->disk, M_NOWAIT);
1458 }
1459 cam_periph_async(periph, code, path, arg);
1460 break;
1461 }
1462 case AC_SCSI_AEN:
1463 softc = (struct da_softc *)periph->softc;
1464 if (!softc->tur) {
1465 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1466 softc->tur = 1;
1467 daschedule(periph);
1468 }
1469 }
1470 /* FALLTHROUGH */
1471 case AC_SENT_BDR:
1472 case AC_BUS_RESET:
1473 {
1474 struct ccb_hdr *ccbh;
1475
1476 softc = (struct da_softc *)periph->softc;
1477 /*
1478 * Don't fail on the expected unit attention
1479 * that will occur.
1480 */
1481 softc->flags |= DA_FLAG_RETRY_UA;
1482 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1483 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1484 break;
1485 }
1486 default:
1487 break;
1488 }
1489 cam_periph_async(periph, code, path, arg);
1490}
1491
1492static void
1493dasysctlinit(void *context, int pending)
1494{
1495 struct cam_periph *periph;
1496 struct da_softc *softc;
1497 char tmpstr[80], tmpstr2[80];
1498 struct ccb_trans_settings cts;
1499
1500 periph = (struct cam_periph *)context;
1501 /*
1502 * periph was held for us when this task was enqueued
1503 */
1504 if (periph->flags & CAM_PERIPH_INVALID) {
1505 cam_periph_release(periph);
1506 return;
1507 }
1508
1509 softc = (struct da_softc *)periph->softc;
1510 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1511 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1512
1513 sysctl_ctx_init(&softc->sysctl_ctx);
1514 softc->flags |= DA_FLAG_SCTX_INIT;
1515 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1516 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1517 CTLFLAG_RD, 0, tmpstr);
1518 if (softc->sysctl_tree == NULL) {
1519 printf("dasysctlinit: unable to allocate sysctl tree\n");
1520 cam_periph_release(periph);
1521 return;
1522 }
1523
1524 /*
1525 * Now register the sysctl handler, so the user can change the value on
1526 * the fly.
1527 */
1528 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1529 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1530 softc, 0, dadeletemethodsysctl, "A",
1531 "BIO_DELETE execution method");
1532 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1533 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1534 softc, 0, dadeletemaxsysctl, "Q",
1535 "Maximum BIO_DELETE size");
1536 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1537 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1538 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1539 "Minimum CDB size");
1540 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1541 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1542 "Sort IO queue to try and optimise disk access patterns");
1543
1544 SYSCTL_ADD_INT(&softc->sysctl_ctx,
1545 SYSCTL_CHILDREN(softc->sysctl_tree),
1546 OID_AUTO,
1547 "error_inject",
1548 CTLFLAG_RW,
1549 &softc->error_inject,
1550 0,
1551 "error_inject leaf");
1552
1553
1554 /*
1555 * Add some addressing info.
1556 */
1557 memset(&cts, 0, sizeof (cts));
1558 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1559 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1560 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1561 cam_periph_lock(periph);
1562 xpt_action((union ccb *)&cts);
1563 cam_periph_unlock(periph);
1564 if (cts.ccb_h.status != CAM_REQ_CMP) {
1565 cam_periph_release(periph);
1566 return;
1567 }
1568 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1569 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1570 if (fc->valid & CTS_FC_VALID_WWPN) {
1571 softc->wwpn = fc->wwpn;
1572 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1573 SYSCTL_CHILDREN(softc->sysctl_tree),
1574 OID_AUTO, "wwpn", CTLFLAG_RD,
1575 &softc->wwpn, "World Wide Port Name");
1576 }
1577 }
1578 cam_periph_release(periph);
1579}
1580
1581static int
1582dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1583{
1584 int error;
1585 uint64_t value;
1586 struct da_softc *softc;
1587
1588 softc = (struct da_softc *)arg1;
1589
1590 value = softc->disk->d_delmaxsize;
1591 error = sysctl_handle_64(oidp, &value, 0, req);
1592 if ((error != 0) || (req->newptr == NULL))
1593 return (error);
1594
1595 /* only accept values smaller than the calculated value */
1596 if (value > softc->disk->d_delmaxsize) {
1597 return (EINVAL);
1598 }
1599 softc->disk->d_delmaxsize = value;
1600
1601 return (0);
1602}
1603
1604static int
1605dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1606{
1607 int error, value;
1608
1609 value = *(int *)arg1;
1610
1611 error = sysctl_handle_int(oidp, &value, 0, req);
1612
1613 if ((error != 0)
1614 || (req->newptr == NULL))
1615 return (error);
1616
1617 /*
1618 * Acceptable values here are 6, 10, 12 or 16.
1619 */
1620 if (value < 6)
1621 value = 6;
1622 else if ((value > 6)
1623 && (value <= 10))
1624 value = 10;
1625 else if ((value > 10)
1626 && (value <= 12))
1627 value = 12;
1628 else if (value > 12)
1629 value = 16;
1630
1631 *(int *)arg1 = value;
1632
1633 return (0);
1634}
1635
1636static void
1637dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1638{
1639
1640
1641 softc->delete_method = delete_method;
1642 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1643
1644 if (softc->delete_method > DA_DELETE_DISABLE)
1645 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1646 else
1647 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1648}
1649
1650static off_t
1651dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1652{
1653 off_t sectors;
1654
1655 switch(delete_method) {
1656 case DA_DELETE_UNMAP:
1657 sectors = (off_t)softc->unmap_max_lba * softc->unmap_max_ranges;
1658 break;
1659 case DA_DELETE_ATA_TRIM:
1660 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1661 break;
1662 case DA_DELETE_WS16:
1663 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS);
1664 break;
1665 case DA_DELETE_ZERO:
1666 case DA_DELETE_WS10:
1667 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS);
1668 break;
1669 default:
1670 return 0;
1671 }
1672
1673 return (off_t)softc->params.secsize *
1674 min(sectors, (off_t)softc->params.sectors);
1675}
1676
1677static void
1678daprobedone(struct cam_periph *periph, union ccb *ccb)
1679{
1680 struct da_softc *softc;
1681
1682 softc = (struct da_softc *)periph->softc;
1683
1684 dadeletemethodchoose(softc, DA_DELETE_NONE);
1685
1686 if (bootverbose && (softc->flags & DA_FLAG_PROBED) == 0) {
1687 char buf[80];
1688 int i, sep;
1689
1690 snprintf(buf, sizeof(buf), "Delete methods: <");
1691 sep = 0;
1692 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1693 if (softc->delete_available & (1 << i)) {
1694 if (sep) {
1695 strlcat(buf, ",", sizeof(buf));
1696 } else {
1697 sep = 1;
1698 }
1699 strlcat(buf, da_delete_method_names[i],
1700 sizeof(buf));
1701 if (i == softc->delete_method) {
1702 strlcat(buf, "(*)", sizeof(buf));
1703 }
1704 }
1705 }
1706 if (sep == 0) {
1707 if (softc->delete_method == DA_DELETE_NONE)
1708 strlcat(buf, "NONE(*)", sizeof(buf));
1709 else
1710 strlcat(buf, "DISABLED(*)", sizeof(buf));
1711 }
1712 strlcat(buf, ">", sizeof(buf));
1713 printf("%s%d: %s\n", periph->periph_name,
1714 periph->unit_number, buf);
1715 }
1716
1717 /*
1718 * Since our peripheral may be invalidated by an error
1719 * above or an external event, we must release our CCB
1720 * before releasing the probe lock on the peripheral.
1721 * The peripheral will only go away once the last lock
1722 * is removed, and we need it around for the CCB release
1723 * operation.
1724 */
1725 xpt_release_ccb(ccb);
1726 softc->state = DA_STATE_NORMAL;
1727 daschedule(periph);
1728 wakeup(&softc->disk->d_mediasize);
1729 if ((softc->flags & DA_FLAG_PROBED) == 0) {
1730 softc->flags |= DA_FLAG_PROBED;
1731 cam_periph_unhold(periph);
1732 } else
1733 cam_periph_release_locked(periph);
1734}
1735
1736static void
1737dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
1738{
1739 int i, delete_method;
1740
1741 delete_method = default_method;
1742
1743 /*
1744 * Use the pre-defined order to choose the best
1745 * performing delete.
1746 */
1747 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1748 if (softc->delete_available & (1 << i)) {
1749 dadeletemethodset(softc, i);
1750 return;
1751 }
1752 }
1753 dadeletemethodset(softc, delete_method);
1754}
1755
1756static int
1757dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1758{
1759 char buf[16];
1760 const char *p;
1761 struct da_softc *softc;
1762 int i, error, value;
1763
1764 softc = (struct da_softc *)arg1;
1765
1766 value = softc->delete_method;
1767 if (value < 0 || value > DA_DELETE_MAX)
1768 p = "UNKNOWN";
1769 else
1770 p = da_delete_method_names[value];
1771 strncpy(buf, p, sizeof(buf));
1772 error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1773 if (error != 0 || req->newptr == NULL)
1774 return (error);
1775 for (i = 0; i <= DA_DELETE_MAX; i++) {
1776 if (strcmp(buf, da_delete_method_names[i]) != 0)
1777 continue;
1778 dadeletemethodset(softc, i);
1779 return (0);
1780 }
1781 return (EINVAL);
1782}
1783
1784static cam_status
1785daregister(struct cam_periph *periph, void *arg)
1786{
1787 struct da_softc *softc;
1788 struct ccb_pathinq cpi;
1789 struct ccb_getdev *cgd;
1790 char tmpstr[80];
1791 caddr_t match;
1792
1793 cgd = (struct ccb_getdev *)arg;
1794 if (cgd == NULL) {
1795 printf("daregister: no getdev CCB, can't register device\n");
1796 return(CAM_REQ_CMP_ERR);
1797 }
1798
1799 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1800 M_NOWAIT|M_ZERO);
1801
1802 if (softc == NULL) {
1803 printf("daregister: Unable to probe new device. "
1804 "Unable to allocate softc\n");
1805 return(CAM_REQ_CMP_ERR);
1806 }
1807
1808 LIST_INIT(&softc->pending_ccbs);
1809 softc->state = DA_STATE_PROBE_RC;
1810 bioq_init(&softc->bio_queue);
1811 bioq_init(&softc->delete_queue);
1812 bioq_init(&softc->delete_run_queue);
1813 if (SID_IS_REMOVABLE(&cgd->inq_data))
1814 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1815 softc->unmap_max_ranges = UNMAP_MAX_RANGES;
1816 softc->unmap_max_lba = UNMAP_RANGE_MAX;
1817 softc->ws_max_blks = WS16_MAX_BLKS;
1818 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
1819 softc->sort_io_queue = -1;
1820
1821 periph->softc = softc;
1822
1823 /*
1824 * See if this device has any quirks.
1825 */
1826 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1827 (caddr_t)da_quirk_table,
1828 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1829 sizeof(*da_quirk_table), scsi_inquiry_match);
1830
1831 if (match != NULL)
1832 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1833 else
1834 softc->quirks = DA_Q_NONE;
1835
1836 /* Check if the SIM does not want 6 byte commands */
1837 bzero(&cpi, sizeof(cpi));
1838 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1839 cpi.ccb_h.func_code = XPT_PATH_INQ;
1840 xpt_action((union ccb *)&cpi);
1841 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1842 softc->quirks |= DA_Q_NO_6_BYTE;
1843
1844 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1845
1846 /*
1847 * Take an exclusive refcount on the periph while dastart is called
1848 * to finish the probe. The reference will be dropped in dadone at
1849 * the end of probe.
1850 */
1851 (void)cam_periph_hold(periph, PRIBIO);
1852
1853 /*
1854 * Schedule a periodic event to occasionally send an
1855 * ordered tag to a device.
1856 */
1857 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0);
1858 callout_reset(&softc->sendordered_c,
1859 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
1860 dasendorderedtag, softc);
1861
1862 cam_periph_unlock(periph);
1863 /*
1864 * RBC devices don't have to support READ(6), only READ(10).
1865 */
1866 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1867 softc->minimum_cmd_size = 10;
1868 else
1869 softc->minimum_cmd_size = 6;
1870
1871 /*
1872 * Load the user's default, if any.
1873 */
1874 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1875 periph->unit_number);
1876 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1877
1878 /*
1879 * 6, 10, 12 and 16 are the currently permissible values.
1880 */
1881 if (softc->minimum_cmd_size < 6)
1882 softc->minimum_cmd_size = 6;
1883 else if ((softc->minimum_cmd_size > 6)
1884 && (softc->minimum_cmd_size <= 10))
1885 softc->minimum_cmd_size = 10;
1886 else if ((softc->minimum_cmd_size > 10)
1887 && (softc->minimum_cmd_size <= 12))
1888 softc->minimum_cmd_size = 12;
1889 else if (softc->minimum_cmd_size > 12)
1890 softc->minimum_cmd_size = 16;
1891
1892 /* Predict whether device may support READ CAPACITY(16). */
1893 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3) {
1894 softc->flags |= DA_FLAG_CAN_RC16;
1895 softc->state = DA_STATE_PROBE_RC16;
1896 }
1897
1898 /*
1899 * Register this media as a disk.
1900 */
1901 softc->disk = disk_alloc();
1902 softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1903 periph->unit_number, 0,
1904 DEVSTAT_BS_UNAVAILABLE,
1905 SID_TYPE(&cgd->inq_data) |
1906 XPORT_DEVSTAT_TYPE(cpi.transport),
1907 DEVSTAT_PRIORITY_DISK);
1908 softc->disk->d_open = daopen;
1909 softc->disk->d_close = daclose;
1910 softc->disk->d_strategy = dastrategy;
1911 softc->disk->d_dump = dadump;
1912 softc->disk->d_getattr = dagetattr;
1913 softc->disk->d_gone = dadiskgonecb;
1914 softc->disk->d_name = "da";
1915 softc->disk->d_drv1 = periph;
1916 if (cpi.maxio == 0)
1917 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */
1918 else if (cpi.maxio > MAXPHYS)
1919 softc->disk->d_maxsize = MAXPHYS; /* for safety */
1920 else
1921 softc->disk->d_maxsize = cpi.maxio;
1922 softc->disk->d_unit = periph->unit_number;
1923 softc->disk->d_flags = 0;
1924 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
1925 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
1926 if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
1927 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
1928 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
1929 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
1930 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
1931 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
1932 cgd->inq_data.product, sizeof(cgd->inq_data.product),
1933 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
1934 softc->disk->d_hba_vendor = cpi.hba_vendor;
1935 softc->disk->d_hba_device = cpi.hba_device;
1936 softc->disk->d_hba_subvendor = cpi.hba_subvendor;
1937 softc->disk->d_hba_subdevice = cpi.hba_subdevice;
1938
1939 /*
1940 * Acquire a reference to the periph before we register with GEOM.
1941 * We'll release this reference once GEOM calls us back (via
1942 * dadiskgonecb()) telling us that our provider has been freed.
1943 */
1944 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1945 xpt_print(periph->path, "%s: lost periph during "
1946 "registration!\n", __func__);
1947 cam_periph_lock(periph);
1948 return (CAM_REQ_CMP_ERR);
1949 }
1950
1951 disk_create(softc->disk, DISK_VERSION);
1952 cam_periph_lock(periph);
1953
1954 /*
1955 * Add async callbacks for events of interest.
1956 * I don't bother checking if this fails as,
1957 * in most cases, the system will function just
1958 * fine without them and the only alternative
1959 * would be to not attach the device on failure.
1960 */
1961 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1962 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
1963 daasync, periph, periph->path);
1964
1965 /*
1966 * Emit an attribute changed notification just in case
1967 * physical path information arrived before our async
1968 * event handler was registered, but after anyone attaching
1969 * to our disk device polled it.
1970 */
1971 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
1972
1973 /*
1974 * Schedule a periodic media polling events.
1975 */
1976 callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0);
1977 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
1978 (cgd->inq_flags & SID_AEN) == 0 &&
1979 da_poll_period != 0)
1980 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
1981 damediapoll, periph);
1982
1983 xpt_schedule(periph, CAM_PRIORITY_DEV);
1984
1985 return(CAM_REQ_CMP);
1986}
1987
1988static void
1989dastart(struct cam_periph *periph, union ccb *start_ccb)
1990{
1991 struct da_softc *softc;
1992
1993 softc = (struct da_softc *)periph->softc;
1994
1995 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
1996
1997skipstate:
1998 switch (softc->state) {
1999 case DA_STATE_NORMAL:
2000 {
2001 struct bio *bp, *bp1;
2002 uint8_t tag_code;
2003
2004 /* Execute immediate CCB if waiting. */
2005 if (periph->immediate_priority <= periph->pinfo.priority) {
2006 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2007 ("queuing for immediate ccb\n"));
2008 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
2009 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
2010 periph_links.sle);
2011 periph->immediate_priority = CAM_PRIORITY_NONE;
2012 wakeup(&periph->ccb_list);
2013 /* May have more work to do, so ensure we stay scheduled */
2014 daschedule(periph);
2015 break;
2016 }
2017
2018 /* Run BIO_DELETE if not running yet. */
2019 if (!softc->delete_running &&
2020 (bp = bioq_first(&softc->delete_queue)) != NULL) {
2021 uint64_t lba;
2022 uint64_t count; /* forward compat with WS32 */
2023
2024 /*
2025 * In each of the methods below, while its the caller's
2026 * responsibility to ensure the request will fit into a
2027 * single device request, we might have changed the delete
2028 * method due to the device incorrectly advertising either
2029 * its supported methods or limits.
2030 *
2031 * To prevent this causing further issues we validate the
2032 * against the methods limits, and warn which would
2033 * otherwise be unnecessary.
2034 */
2035
2036 if (softc->delete_method == DA_DELETE_UNMAP) {
2037 uint8_t *buf = softc->unmap_buf;
2038 uint64_t lastlba = (uint64_t)-1;
2039 uint32_t lastcount = 0, c;
2040 uint64_t totalcount = 0;
2041 uint32_t off, ranges = 0;
2042
2043 /*
2044 * Currently this doesn't take the UNMAP
2045 * Granularity and Granularity Alignment
2046 * fields into account.
2047 *
2048 * This could result in both unoptimal unmap
2049 * requests as as well as UNMAP calls unmapping
2050 * fewer LBA's than requested.
2051 */
2052
2053 softc->delete_running = 1;
2054 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2055 bp1 = bp;
2056 do {
2057 bioq_remove(&softc->delete_queue, bp1);
2058 if (bp1 != bp)
2059 bioq_insert_tail(&softc->delete_run_queue, bp1);
2060 lba = bp1->bio_pblkno;
2061 count = bp1->bio_bcount / softc->params.secsize;
2062
2063 /* Try to extend the previous range. */
2064 if (lba == lastlba) {
2065 c = min(count, softc->unmap_max_lba -
2066 lastcount);
2067 lastcount += c;
2068 off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2069 UNMAP_HEAD_SIZE;
2070 scsi_ulto4b(lastcount, &buf[off + 8]);
2071 count -= c;
2072 lba +=c;
2073 totalcount += c;
2074 }
2075
2076 while (count > 0) {
2077 c = min(count, softc->unmap_max_lba);
2078 if (totalcount + c > softc->unmap_max_lba ||
2079 ranges >= softc->unmap_max_ranges) {
2080 xpt_print(periph->path,
2081 "%s issuing short delete %ld > %ld"
2082 "|| %d >= %d",
2083 da_delete_method_desc[softc->delete_method],
2084 totalcount + c, softc->unmap_max_lba,
2085 ranges, softc->unmap_max_ranges);
2086 break;
2087 }
2088 off = (ranges * UNMAP_RANGE_SIZE) +
2089 UNMAP_HEAD_SIZE;
2090 scsi_u64to8b(lba, &buf[off + 0]);
2091 scsi_ulto4b(c, &buf[off + 8]);
2092 lba += c;
2093 totalcount += c;
2094 ranges++;
2095 count -= c;
2096 lastcount = c;
2097 }
2098 lastlba = lba;
2099 bp1 = bioq_first(&softc->delete_queue);
2100 if (bp1 == NULL ||
2101 ranges >= softc->unmap_max_ranges ||
2102 totalcount + bp1->bio_bcount /
2103 softc->params.secsize > softc->unmap_max_lba)
2104 break;
2105 } while (1);
2106 scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2107 scsi_ulto2b(ranges * 16, &buf[2]);
2108
2109 scsi_unmap(&start_ccb->csio,
2110 /*retries*/da_retry_count,
2111 /*cbfcnp*/dadone,
2112 /*tag_action*/MSG_SIMPLE_Q_TAG,
2113 /*byte2*/0,
2114 /*data_ptr*/ buf,
2115 /*dxfer_len*/ ranges * 16 + 8,
2116 /*sense_len*/SSD_FULL_SIZE,
2117 da_default_timeout * 1000);
2118 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2119 goto out;
2120 } else if (softc->delete_method == DA_DELETE_ATA_TRIM) {
2121 uint8_t *buf = softc->unmap_buf;
2122 uint64_t lastlba = (uint64_t)-1;
2123 uint32_t lastcount = 0, c, requestcount;
2124 int ranges = 0, off, block_count;
2125
2126 softc->delete_running = 1;
2127 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2128 bp1 = bp;
2129 do {
2130 bioq_remove(&softc->delete_queue, bp1);
2131 if (bp1 != bp)
2132 bioq_insert_tail(&softc->delete_run_queue, bp1);
2133 lba = bp1->bio_pblkno;
2134 count = bp1->bio_bcount / softc->params.secsize;
2135 requestcount = count;
2136
2137 /* Try to extend the previous range. */
2138 if (lba == lastlba) {
2139 c = min(count, ATA_DSM_RANGE_MAX - lastcount);
2140 lastcount += c;
2141 off = (ranges - 1) * 8;
2142 buf[off + 6] = lastcount & 0xff;
2143 buf[off + 7] = (lastcount >> 8) & 0xff;
2144 count -= c;
2145 lba += c;
2146 }
2147
2148 while (count > 0) {
2149 c = min(count, ATA_DSM_RANGE_MAX);
2150 off = ranges * 8;
2151
2152 buf[off + 0] = lba & 0xff;
2153 buf[off + 1] = (lba >> 8) & 0xff;
2154 buf[off + 2] = (lba >> 16) & 0xff;
2155 buf[off + 3] = (lba >> 24) & 0xff;
2156 buf[off + 4] = (lba >> 32) & 0xff;
2157 buf[off + 5] = (lba >> 40) & 0xff;
2158 buf[off + 6] = c & 0xff;
2159 buf[off + 7] = (c >> 8) & 0xff;
2160 lba += c;
2161 ranges++;
2162 count -= c;
2163 lastcount = c;
2164 if (count != 0 && ranges == softc->trim_max_ranges) {
2165 xpt_print(periph->path,
2166 "%s issuing short delete %ld > %ld",
2167 da_delete_method_desc[softc->delete_method],
2168 requestcount,
2169 (softc->trim_max_ranges - ranges) *
2170 ATA_DSM_RANGE_MAX);
2171 break;
2172 }
2173 }
2174 lastlba = lba;
2175 bp1 = bioq_first(&softc->delete_queue);
2176 if (bp1 == NULL ||
2177 bp1->bio_bcount / softc->params.secsize >
2178 (softc->trim_max_ranges - ranges) *
2179 ATA_DSM_RANGE_MAX)
2180 break;
2181 } while (1);
2182
2183 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) /
2184 ATA_DSM_BLK_RANGES;
2185 scsi_ata_trim(&start_ccb->csio,
2186 /*retries*/da_retry_count,
2187 /*cbfcnp*/dadone,
2188 /*tag_action*/MSG_SIMPLE_Q_TAG,
2189 block_count,
2190 /*data_ptr*/buf,
2191 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2192 /*sense_len*/SSD_FULL_SIZE,
2193 da_default_timeout * 1000);
2194 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2195 goto out;
2196 } else if (softc->delete_method == DA_DELETE_ZERO ||
2197 softc->delete_method == DA_DELETE_WS10 ||
2198 softc->delete_method == DA_DELETE_WS16) {
2199 /*
2200 * We calculate ws_max_blks here based off d_delmaxsize instead
2201 * of using softc->ws_max_blks as it is absolute max for the
2202 * device not the protocol max which may well be lower
2203 */
2204 uint64_t ws_max_blks;
2205 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2206 softc->delete_running = 1;
2207 lba = bp->bio_pblkno;
2208 count = 0;
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 count += bp1->bio_bcount / softc->params.secsize;
2215 if (count > ws_max_blks) {
2216 count = min(count, ws_max_blks);
2217 xpt_print(periph->path,
2218 "%s issuing short delete %ld > %ld",
2219 da_delete_method_desc[softc->delete_method],
2220 count, ws_max_blks);
2221 break;
2222 }
2223 bp1 = bioq_first(&softc->delete_queue);
2224 if (bp1 == NULL ||
2225 lba + count != bp1->bio_pblkno ||
2226 count + bp1->bio_bcount /
2227 softc->params.secsize > ws_max_blks)
2228 break;
2229 } while (1);
2230
2231 scsi_write_same(&start_ccb->csio,
2232 /*retries*/da_retry_count,
2233 /*cbfcnp*/dadone,
2234 /*tag_action*/MSG_SIMPLE_Q_TAG,
2235 /*byte2*/softc->delete_method ==
2236 DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2237 softc->delete_method ==
2238 DA_DELETE_WS16 ? 16 : 10,
2239 /*lba*/lba,
2240 /*block_count*/count,
2241 /*data_ptr*/ __DECONST(void *,
2242 zero_region),
2243 /*dxfer_len*/ softc->params.secsize,
2244 /*sense_len*/SSD_FULL_SIZE,
2245 da_default_timeout * 1000);
2246 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2247 goto out;
2248 } else {
2249 bioq_flush(&softc->delete_queue, NULL, 0);
2250 /* FALLTHROUGH */
2251 }
2252 }
2253
2254 /* Run regular command. */
2255 bp = bioq_takefirst(&softc->bio_queue);
2256 if (bp == NULL) {
2257 if (softc->tur) {
2258 softc->tur = 0;
2259 scsi_test_unit_ready(&start_ccb->csio,
2260 /*retries*/ da_retry_count,
2261 dadone,
2262 MSG_SIMPLE_Q_TAG,
2263 SSD_FULL_SIZE,
2264 da_default_timeout * 1000);
2265 start_ccb->ccb_h.ccb_bp = NULL;
2266 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2267 xpt_action(start_ccb);
2268 } else
2269 xpt_release_ccb(start_ccb);
2270 break;
2271 }
2272 if (softc->tur) {
2273 softc->tur = 0;
2274 cam_periph_release_locked(periph);
2275 }
2276
2277 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2278 (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2279 softc->flags &= ~DA_FLAG_NEED_OTAG;
2280 softc->ordered_tag_count++;
2281 tag_code = MSG_ORDERED_Q_TAG;
2282 } else {
2283 tag_code = MSG_SIMPLE_Q_TAG;
2284 }
2285
2286 switch (bp->bio_cmd) {
2287 case BIO_READ:
2288 case BIO_WRITE:
2289 scsi_read_write(&start_ccb->csio,
2290 /*retries*/da_retry_count,
2291 /*cbfcnp*/dadone,
2292 /*tag_action*/tag_code,
2293 /*read_op*/(bp->bio_cmd == BIO_READ ?
2294 SCSI_RW_READ : SCSI_RW_WRITE) |
2295 ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2296 SCSI_RW_BIO : 0),
2297 /*byte2*/0,
2298 softc->minimum_cmd_size,
2299 /*lba*/bp->bio_pblkno,
2300 /*block_count*/bp->bio_bcount /
2301 softc->params.secsize,
2302 /*data_ptr*/ (bp->bio_flags &
2303 BIO_UNMAPPED) != 0 ? (void *)bp :
2304 bp->bio_data,
2305 /*dxfer_len*/ bp->bio_bcount,
2306 /*sense_len*/SSD_FULL_SIZE,
2307 da_default_timeout * 1000);
2308 break;
2309 case BIO_FLUSH:
2310 /*
2311 * BIO_FLUSH doesn't currently communicate
2312 * range data, so we synchronize the cache
2313 * over the whole disk. We also force
2314 * ordered tag semantics the flush applies
2315 * to all previously queued I/O.
2316 */
2317 scsi_synchronize_cache(&start_ccb->csio,
2318 /*retries*/1,
2319 /*cbfcnp*/dadone,
2320 MSG_ORDERED_Q_TAG,
2321 /*begin_lba*/0,
2322 /*lb_count*/0,
2323 SSD_FULL_SIZE,
2324 da_default_timeout*1000);
2325 break;
2326 }
2327 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2328
2329out:
2330 /*
| 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 <geom/geom.h>
49#include <geom/geom_disk.h>
50#endif /* _KERNEL */
51
52#ifndef _KERNEL
53#include <stdio.h>
54#include <string.h>
55#endif /* _KERNEL */
56
57#include <cam/cam.h>
58#include <cam/cam_ccb.h>
59#include <cam/cam_periph.h>
60#include <cam/cam_xpt_periph.h>
61#include <cam/cam_sim.h>
62
63#include <cam/scsi/scsi_message.h>
64
65#ifndef _KERNEL
66#include <cam/scsi/scsi_da.h>
67#endif /* !_KERNEL */
68
69#ifdef _KERNEL
70typedef enum {
71 DA_STATE_PROBE_RC,
72 DA_STATE_PROBE_RC16,
73 DA_STATE_PROBE_LBP,
74 DA_STATE_PROBE_BLK_LIMITS,
75 DA_STATE_PROBE_BDC,
76 DA_STATE_PROBE_ATA,
77 DA_STATE_NORMAL
78} da_state;
79
80typedef enum {
81 DA_FLAG_PACK_INVALID = 0x001,
82 DA_FLAG_NEW_PACK = 0x002,
83 DA_FLAG_PACK_LOCKED = 0x004,
84 DA_FLAG_PACK_REMOVABLE = 0x008,
85 DA_FLAG_NEED_OTAG = 0x020,
86 DA_FLAG_WENT_IDLE = 0x040,
87 DA_FLAG_RETRY_UA = 0x080,
88 DA_FLAG_OPEN = 0x100,
89 DA_FLAG_SCTX_INIT = 0x200,
90 DA_FLAG_CAN_RC16 = 0x400,
91 DA_FLAG_PROBED = 0x800
92} da_flags;
93
94typedef enum {
95 DA_Q_NONE = 0x00,
96 DA_Q_NO_SYNC_CACHE = 0x01,
97 DA_Q_NO_6_BYTE = 0x02,
98 DA_Q_NO_PREVENT = 0x04,
99 DA_Q_4K = 0x08
100} da_quirks;
101
102typedef enum {
103 DA_CCB_PROBE_RC = 0x01,
104 DA_CCB_PROBE_RC16 = 0x02,
105 DA_CCB_PROBE_LBP = 0x03,
106 DA_CCB_PROBE_BLK_LIMITS = 0x04,
107 DA_CCB_PROBE_BDC = 0x05,
108 DA_CCB_PROBE_ATA = 0x06,
109 DA_CCB_BUFFER_IO = 0x07,
110 DA_CCB_WAITING = 0x08,
111 DA_CCB_DUMP = 0x0A,
112 DA_CCB_DELETE = 0x0B,
113 DA_CCB_TUR = 0x0C,
114 DA_CCB_TYPE_MASK = 0x0F,
115 DA_CCB_RETRY_UA = 0x10
116} da_ccb_state;
117
118/*
119 * Order here is important for method choice
120 *
121 * We prefer ATA_TRIM as tests run against a Sandforce 2281 SSD attached to
122 * LSI 2008 (mps) controller (FW: v12, Drv: v14) resulted 20% quicker deletes
123 * using ATA_TRIM than the corresponding UNMAP results for a real world mysql
124 * import taking 5mins.
125 *
126 */
127typedef enum {
128 DA_DELETE_NONE,
129 DA_DELETE_DISABLE,
130 DA_DELETE_ATA_TRIM,
131 DA_DELETE_UNMAP,
132 DA_DELETE_WS16,
133 DA_DELETE_WS10,
134 DA_DELETE_ZERO,
135 DA_DELETE_MIN = DA_DELETE_ATA_TRIM,
136 DA_DELETE_MAX = DA_DELETE_ZERO
137} da_delete_methods;
138
139static const char *da_delete_method_names[] =
140 { "NONE", "DISABLE", "ATA_TRIM", "UNMAP", "WS16", "WS10", "ZERO" };
141static const char *da_delete_method_desc[] =
142 { "NONE", "DISABLED", "ATA TRIM", "UNMAP", "WRITE SAME(16) with UNMAP",
143 "WRITE SAME(10) with UNMAP", "ZERO" };
144
145/* Offsets into our private area for storing information */
146#define ccb_state ppriv_field0
147#define ccb_bp ppriv_ptr1
148
149struct disk_params {
150 u_int8_t heads;
151 u_int32_t cylinders;
152 u_int8_t secs_per_track;
153 u_int32_t secsize; /* Number of bytes/sector */
154 u_int64_t sectors; /* total number sectors */
155 u_int stripesize;
156 u_int stripeoffset;
157};
158
159#define UNMAP_RANGE_MAX 0xffffffff
160#define UNMAP_HEAD_SIZE 8
161#define UNMAP_RANGE_SIZE 16
162#define UNMAP_MAX_RANGES 2048 /* Protocol Max is 4095 */
163#define UNMAP_BUF_SIZE ((UNMAP_MAX_RANGES * UNMAP_RANGE_SIZE) + \
164 UNMAP_HEAD_SIZE)
165
166#define WS10_MAX_BLKS 0xffff
167#define WS16_MAX_BLKS 0xffffffff
168#define ATA_TRIM_MAX_RANGES ((UNMAP_BUF_SIZE / \
169 (ATA_DSM_RANGE_SIZE * ATA_DSM_BLK_SIZE)) * ATA_DSM_BLK_SIZE)
170
171struct da_softc {
172 struct bio_queue_head bio_queue;
173 struct bio_queue_head delete_queue;
174 struct bio_queue_head delete_run_queue;
175 SLIST_ENTRY(da_softc) links;
176 LIST_HEAD(, ccb_hdr) pending_ccbs;
177 da_state state;
178 da_flags flags;
179 da_quirks quirks;
180 int sort_io_queue;
181 int minimum_cmd_size;
182 int error_inject;
183 int ordered_tag_count;
184 int outstanding_cmds;
185 int trim_max_ranges;
186 int delete_running;
187 int tur;
188 int delete_available; /* Delete methods possibly available */
189 uint32_t unmap_max_ranges;
190 uint32_t unmap_max_lba;
191 uint64_t ws_max_blks;
192 da_delete_methods delete_method;
193 struct disk_params params;
194 struct disk *disk;
195 union ccb saved_ccb;
196 struct task sysctl_task;
197 struct sysctl_ctx_list sysctl_ctx;
198 struct sysctl_oid *sysctl_tree;
199 struct callout sendordered_c;
200 uint64_t wwpn;
201 uint8_t unmap_buf[UNMAP_BUF_SIZE];
202 struct scsi_read_capacity_data_long rcaplong;
203 struct callout mediapoll_c;
204};
205
206#define dadeleteflag(softc, delete_method, enable) \
207 if (enable) { \
208 softc->delete_available |= (1 << delete_method); \
209 } else { \
210 softc->delete_available &= ~(1 << delete_method); \
211 }
212
213struct da_quirk_entry {
214 struct scsi_inquiry_pattern inq_pat;
215 da_quirks quirks;
216};
217
218static const char quantum[] = "QUANTUM";
219static const char microp[] = "MICROP";
220
221static struct da_quirk_entry da_quirk_table[] =
222{
223 /* SPI, FC devices */
224 {
225 /*
226 * Fujitsu M2513A MO drives.
227 * Tested devices: M2513A2 firmware versions 1200 & 1300.
228 * (dip switch selects whether T_DIRECT or T_OPTICAL device)
229 * Reported by: W.Scholten <whs@xs4all.nl>
230 */
231 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
232 /*quirks*/ DA_Q_NO_SYNC_CACHE
233 },
234 {
235 /* See above. */
236 {T_OPTICAL, SIP_MEDIA_REMOVABLE, "FUJITSU", "M2513A", "*"},
237 /*quirks*/ DA_Q_NO_SYNC_CACHE
238 },
239 {
240 /*
241 * This particular Fujitsu drive doesn't like the
242 * synchronize cache command.
243 * Reported by: Tom Jackson <toj@gorilla.net>
244 */
245 {T_DIRECT, SIP_MEDIA_FIXED, "FUJITSU", "M2954*", "*"},
246 /*quirks*/ DA_Q_NO_SYNC_CACHE
247 },
248 {
249 /*
250 * This drive doesn't like the synchronize cache command
251 * either. Reported by: Matthew Jacob <mjacob@feral.com>
252 * in NetBSD PR kern/6027, August 24, 1998.
253 */
254 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2217*", "*"},
255 /*quirks*/ DA_Q_NO_SYNC_CACHE
256 },
257 {
258 /*
259 * This drive doesn't like the synchronize cache command
260 * either. Reported by: Hellmuth Michaelis (hm@kts.org)
261 * (PR 8882).
262 */
263 {T_DIRECT, SIP_MEDIA_FIXED, microp, "2112*", "*"},
264 /*quirks*/ DA_Q_NO_SYNC_CACHE
265 },
266 {
267 /*
268 * Doesn't like the synchronize cache command.
269 * Reported by: Blaz Zupan <blaz@gold.amis.net>
270 */
271 {T_DIRECT, SIP_MEDIA_FIXED, "NEC", "D3847*", "*"},
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, quantum, "MAVERICK 540S", "*"},
280 /*quirks*/ DA_Q_NO_SYNC_CACHE
281 },
282 {
283 /*
284 * Doesn't like the synchronize cache command.
285 */
286 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS525S", "*"},
287 /*quirks*/ DA_Q_NO_SYNC_CACHE
288 },
289 {
290 /*
291 * Doesn't like the synchronize cache command.
292 * Reported by: walter@pelissero.de
293 */
294 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "LPS540S", "*"},
295 /*quirks*/ DA_Q_NO_SYNC_CACHE
296 },
297 {
298 /*
299 * Doesn't work correctly with 6 byte reads/writes.
300 * Returns illegal request, and points to byte 9 of the
301 * 6-byte CDB.
302 * Reported by: Adam McDougall <bsdx@spawnet.com>
303 */
304 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 4*", "*"},
305 /*quirks*/ DA_Q_NO_6_BYTE
306 },
307 {
308 /* See above. */
309 {T_DIRECT, SIP_MEDIA_FIXED, quantum, "VIKING 2*", "*"},
310 /*quirks*/ DA_Q_NO_6_BYTE
311 },
312 {
313 /*
314 * Doesn't like the synchronize cache command.
315 * Reported by: walter@pelissero.de
316 */
317 {T_DIRECT, SIP_MEDIA_FIXED, "CONNER", "CP3500*", "*"},
318 /*quirks*/ DA_Q_NO_SYNC_CACHE
319 },
320 {
321 /*
322 * The CISS RAID controllers do not support SYNC_CACHE
323 */
324 {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"},
325 /*quirks*/ DA_Q_NO_SYNC_CACHE
326 },
327 /* USB mass storage devices supported by umass(4) */
328 {
329 /*
330 * EXATELECOM (Sigmatel) i-Bead 100/105 USB Flash MP3 Player
331 * PR: kern/51675
332 */
333 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EXATEL", "i-BEAD10*", "*"},
334 /*quirks*/ DA_Q_NO_SYNC_CACHE
335 },
336 {
337 /*
338 * Power Quotient Int. (PQI) USB flash key
339 * PR: kern/53067
340 */
341 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "USB Flash Disk*",
342 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
343 },
344 {
345 /*
346 * Creative Nomad MUVO mp3 player (USB)
347 * PR: kern/53094
348 */
349 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "NOMAD_MUVO", "*"},
350 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
351 },
352 {
353 /*
354 * Jungsoft NEXDISK USB flash key
355 * PR: kern/54737
356 */
357 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JUNGSOFT", "NEXDISK*", "*"},
358 /*quirks*/ DA_Q_NO_SYNC_CACHE
359 },
360 {
361 /*
362 * FreeDik USB Mini Data Drive
363 * PR: kern/54786
364 */
365 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FreeDik*", "Mini Data Drive",
366 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
367 },
368 {
369 /*
370 * Sigmatel USB Flash MP3 Player
371 * PR: kern/57046
372 */
373 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SigmaTel", "MSCN", "*"},
374 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
375 },
376 {
377 /*
378 * Neuros USB Digital Audio Computer
379 * PR: kern/63645
380 */
381 {T_DIRECT, SIP_MEDIA_REMOVABLE, "NEUROS", "dig. audio comp.",
382 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
383 },
384 {
385 /*
386 * SEAGRAND NP-900 MP3 Player
387 * PR: kern/64563
388 */
389 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SEAGRAND", "NP-900*", "*"},
390 /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
391 },
392 {
393 /*
394 * iRiver iFP MP3 player (with UMS Firmware)
395 * PR: kern/54881, i386/63941, kern/66124
396 */
397 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iRiver", "iFP*", "*"},
398 /*quirks*/ DA_Q_NO_SYNC_CACHE
399 },
400 {
401 /*
402 * Frontier Labs NEX IA+ Digital Audio Player, rev 1.10/0.01
403 * PR: kern/70158
404 */
405 {T_DIRECT, SIP_MEDIA_REMOVABLE, "FL" , "Nex*", "*"},
406 /*quirks*/ DA_Q_NO_SYNC_CACHE
407 },
408 {
409 /*
410 * ZICPlay USB MP3 Player with FM
411 * PR: kern/75057
412 */
413 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ACTIONS*" , "USB DISK*", "*"},
414 /*quirks*/ DA_Q_NO_SYNC_CACHE
415 },
416 {
417 /*
418 * TEAC USB floppy mechanisms
419 */
420 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TEAC" , "FD-05*", "*"},
421 /*quirks*/ DA_Q_NO_SYNC_CACHE
422 },
423 {
424 /*
425 * Kingston DataTraveler II+ USB Pen-Drive.
426 * Reported by: Pawel Jakub Dawidek <pjd@FreeBSD.org>
427 */
428 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston" , "DataTraveler II+",
429 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
430 },
431 {
432 /*
433 * USB DISK Pro PMAP
434 * Reported by: jhs
435 * PR: usb/96381
436 */
437 {T_DIRECT, SIP_MEDIA_REMOVABLE, " ", "USB DISK Pro", "PMAP"},
438 /*quirks*/ DA_Q_NO_SYNC_CACHE
439 },
440 {
441 /*
442 * Motorola E398 Mobile Phone (TransFlash memory card).
443 * Reported by: Wojciech A. Koszek <dunstan@FreeBSD.czest.pl>
444 * PR: usb/89889
445 */
446 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Motorola" , "Motorola Phone",
447 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
448 },
449 {
450 /*
451 * Qware BeatZkey! Pro
452 * PR: usb/79164
453 */
454 {T_DIRECT, SIP_MEDIA_REMOVABLE, "GENERIC", "USB DISK DEVICE",
455 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
456 },
457 {
458 /*
459 * Time DPA20B 1GB MP3 Player
460 * PR: usb/81846
461 */
462 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB2.0*", "(FS) FLASH DISK*",
463 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
464 },
465 {
466 /*
467 * Samsung USB key 128Mb
468 * PR: usb/90081
469 */
470 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB-DISK", "FreeDik-FlashUsb",
471 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
472 },
473 {
474 /*
475 * Kingston DataTraveler 2.0 USB Flash memory.
476 * PR: usb/89196
477 */
478 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler 2.0",
479 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
480 },
481 {
482 /*
483 * Creative MUVO Slim mp3 player (USB)
484 * PR: usb/86131
485 */
486 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CREATIVE", "MuVo Slim",
487 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE|DA_Q_NO_PREVENT
488 },
489 {
490 /*
491 * United MP5512 Portable MP3 Player (2-in-1 USB DISK/MP3)
492 * PR: usb/80487
493 */
494 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "MUSIC DISK",
495 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
496 },
497 {
498 /*
499 * SanDisk Micro Cruzer 128MB
500 * PR: usb/75970
501 */
502 {T_DIRECT, SIP_MEDIA_REMOVABLE, "SanDisk" , "Micro Cruzer",
503 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
504 },
505 {
506 /*
507 * TOSHIBA TransMemory USB sticks
508 * PR: kern/94660
509 */
510 {T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
511 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
512 },
513 {
514 /*
515 * PNY USB Flash keys
516 * PR: usb/75578, usb/72344, usb/65436
517 */
518 {T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
519 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
520 },
521 {
522 /*
523 * Genesys 6-in-1 Card Reader
524 * PR: usb/94647
525 */
526 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Generic*", "STORAGE DEVICE*",
527 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
528 },
529 {
530 /*
531 * Rekam Digital CAMERA
532 * PR: usb/98713
533 */
534 {T_DIRECT, SIP_MEDIA_REMOVABLE, "CAMERA*", "4MP-9J6*",
535 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
536 },
537 {
538 /*
539 * iRiver H10 MP3 player
540 * PR: usb/102547
541 */
542 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "H10*",
543 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
544 },
545 {
546 /*
547 * iRiver U10 MP3 player
548 * PR: usb/92306
549 */
550 {T_DIRECT, SIP_MEDIA_REMOVABLE, "iriver", "U10*",
551 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
552 },
553 {
554 /*
555 * X-Micro Flash Disk
556 * PR: usb/96901
557 */
558 {T_DIRECT, SIP_MEDIA_REMOVABLE, "X-Micro", "Flash Disk",
559 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
560 },
561 {
562 /*
563 * EasyMP3 EM732X USB 2.0 Flash MP3 Player
564 * PR: usb/96546
565 */
566 {T_DIRECT, SIP_MEDIA_REMOVABLE, "EM732X", "MP3 Player*",
567 "1.00"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
568 },
569 {
570 /*
571 * Denver MP3 player
572 * PR: usb/107101
573 */
574 {T_DIRECT, SIP_MEDIA_REMOVABLE, "DENVER", "MP3 PLAYER",
575 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
576 },
577 {
578 /*
579 * Philips USB Key Audio KEY013
580 * PR: usb/68412
581 */
582 {T_DIRECT, SIP_MEDIA_REMOVABLE, "PHILIPS", "Key*", "*"},
583 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
584 },
585 {
586 /*
587 * JNC MP3 Player
588 * PR: usb/94439
589 */
590 {T_DIRECT, SIP_MEDIA_REMOVABLE, "JNC*" , "MP3 Player*",
591 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
592 },
593 {
594 /*
595 * SAMSUNG MP0402H
596 * PR: usb/108427
597 */
598 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "MP0402H", "*"},
599 /*quirks*/ DA_Q_NO_SYNC_CACHE
600 },
601 {
602 /*
603 * I/O Magic USB flash - Giga Bank
604 * PR: usb/108810
605 */
606 {T_DIRECT, SIP_MEDIA_FIXED, "GS-Magic", "stor*", "*"},
607 /*quirks*/ DA_Q_NO_SYNC_CACHE
608 },
609 {
610 /*
611 * JoyFly 128mb USB Flash Drive
612 * PR: 96133
613 */
614 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "Flash Disk*",
615 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
616 },
617 {
618 /*
619 * ChipsBnk usb stick
620 * PR: 103702
621 */
622 {T_DIRECT, SIP_MEDIA_REMOVABLE, "ChipsBnk", "USB*",
623 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
624 },
625 {
626 /*
627 * Storcase (Kingston) InfoStation IFS FC2/SATA-R 201A
628 * PR: 129858
629 */
630 {T_DIRECT, SIP_MEDIA_FIXED, "IFS", "FC2/SATA-R*",
631 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
632 },
633 {
634 /*
635 * Samsung YP-U3 mp3-player
636 * PR: 125398
637 */
638 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Samsung", "YP-U3",
639 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
640 },
641 {
642 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Netac", "OnlyDisk*",
643 "2000"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
644 },
645 {
646 /*
647 * Sony Cyber-Shot DSC cameras
648 * PR: usb/137035
649 */
650 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Sony", "Sony DSC", "*"},
651 /*quirks*/ DA_Q_NO_SYNC_CACHE | DA_Q_NO_PREVENT
652 },
653 {
654 {T_DIRECT, SIP_MEDIA_REMOVABLE, "Kingston", "DataTraveler G3",
655 "1.00"}, /*quirks*/ DA_Q_NO_PREVENT
656 },
657 /* ATA/SATA devices over SAS/USB/... */
658 {
659 /* Hitachi Advanced Format (4k) drives */
660 { T_DIRECT, SIP_MEDIA_FIXED, "Hitachi", "H??????????E3*", "*" },
661 /*quirks*/DA_Q_4K
662 },
663 {
664 /* Samsung Advanced Format (4k) drives */
665 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD155UI*", "*" },
666 /*quirks*/DA_Q_4K
667 },
668 {
669 /* Samsung Advanced Format (4k) drives */
670 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD155UI*", "*" },
671 /*quirks*/DA_Q_4K
672 },
673 {
674 /* Samsung Advanced Format (4k) drives */
675 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "SAMSUNG HD204UI*", "*" },
676 /*quirks*/DA_Q_4K
677 },
678 {
679 /* Samsung Advanced Format (4k) drives */
680 { T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HD204UI*", "*" },
681 /*quirks*/DA_Q_4K
682 },
683 {
684 /* Seagate Barracuda Green Advanced Format (4k) drives */
685 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DL*", "*" },
686 /*quirks*/DA_Q_4K
687 },
688 {
689 /* Seagate Barracuda Green Advanced Format (4k) drives */
690 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DL", "*", "*" },
691 /*quirks*/DA_Q_4K
692 },
693 {
694 /* Seagate Barracuda Green Advanced Format (4k) drives */
695 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???DM*", "*" },
696 /*quirks*/DA_Q_4K
697 },
698 {
699 /* Seagate Barracuda Green Advanced Format (4k) drives */
700 { T_DIRECT, SIP_MEDIA_FIXED, "ST???DM*", "*", "*" },
701 /*quirks*/DA_Q_4K
702 },
703 {
704 /* Seagate Barracuda Green Advanced Format (4k) drives */
705 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST????DM*", "*" },
706 /*quirks*/DA_Q_4K
707 },
708 {
709 /* Seagate Barracuda Green Advanced Format (4k) drives */
710 { T_DIRECT, SIP_MEDIA_FIXED, "ST????DM", "*", "*" },
711 /*quirks*/DA_Q_4K
712 },
713 {
714 /* Seagate Momentus Advanced Format (4k) drives */
715 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500423AS*", "*" },
716 /*quirks*/DA_Q_4K
717 },
718 {
719 /* Seagate Momentus Advanced Format (4k) drives */
720 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "3AS*", "*" },
721 /*quirks*/DA_Q_4K
722 },
723 {
724 /* Seagate Momentus Advanced Format (4k) drives */
725 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9500424AS*", "*" },
726 /*quirks*/DA_Q_4K
727 },
728 {
729 /* Seagate Momentus Advanced Format (4k) drives */
730 { T_DIRECT, SIP_MEDIA_FIXED, "ST950042", "4AS*", "*" },
731 /*quirks*/DA_Q_4K
732 },
733 {
734 /* Seagate Momentus Advanced Format (4k) drives */
735 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640423AS*", "*" },
736 /*quirks*/DA_Q_4K
737 },
738 {
739 /* Seagate Momentus Advanced Format (4k) drives */
740 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "3AS*", "*" },
741 /*quirks*/DA_Q_4K
742 },
743 {
744 /* Seagate Momentus Advanced Format (4k) drives */
745 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9640424AS*", "*" },
746 /*quirks*/DA_Q_4K
747 },
748 {
749 /* Seagate Momentus Advanced Format (4k) drives */
750 { T_DIRECT, SIP_MEDIA_FIXED, "ST964042", "4AS*", "*" },
751 /*quirks*/DA_Q_4K
752 },
753 {
754 /* Seagate Momentus Advanced Format (4k) drives */
755 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750420AS*", "*" },
756 /*quirks*/DA_Q_4K
757 },
758 {
759 /* Seagate Momentus Advanced Format (4k) drives */
760 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "0AS*", "*" },
761 /*quirks*/DA_Q_4K
762 },
763 {
764 /* Seagate Momentus Advanced Format (4k) drives */
765 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750422AS*", "*" },
766 /*quirks*/DA_Q_4K
767 },
768 {
769 /* Seagate Momentus Advanced Format (4k) drives */
770 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "2AS*", "*" },
771 /*quirks*/DA_Q_4K
772 },
773 {
774 /* Seagate Momentus Advanced Format (4k) drives */
775 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST9750423AS*", "*" },
776 /*quirks*/DA_Q_4K
777 },
778 {
779 /* Seagate Momentus Advanced Format (4k) drives */
780 { T_DIRECT, SIP_MEDIA_FIXED, "ST975042", "3AS*", "*" },
781 /*quirks*/DA_Q_4K
782 },
783 {
784 /* Seagate Momentus Thin Advanced Format (4k) drives */
785 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "ST???LT*", "*" },
786 /*quirks*/DA_Q_4K
787 },
788 {
789 /* Seagate Momentus Thin Advanced Format (4k) drives */
790 { T_DIRECT, SIP_MEDIA_FIXED, "ST???LT*", "*", "*" },
791 /*quirks*/DA_Q_4K
792 },
793 {
794 /* WDC Caviar Green Advanced Format (4k) drives */
795 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RS*", "*" },
796 /*quirks*/DA_Q_4K
797 },
798 {
799 /* WDC Caviar Green Advanced Format (4k) drives */
800 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RS*", "*" },
801 /*quirks*/DA_Q_4K
802 },
803 {
804 /* WDC Caviar Green Advanced Format (4k) drives */
805 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD????RX*", "*" },
806 /*quirks*/DA_Q_4K
807 },
808 {
809 /* WDC Caviar Green Advanced Format (4k) drives */
810 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "??RX*", "*" },
811 /*quirks*/DA_Q_4K
812 },
813 {
814 /* WDC Caviar Green Advanced Format (4k) drives */
815 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RS*", "*" },
816 /*quirks*/DA_Q_4K
817 },
818 {
819 /* WDC Caviar Green Advanced Format (4k) drives */
820 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RS*", "*" },
821 /*quirks*/DA_Q_4K
822 },
823 {
824 /* WDC Caviar Green Advanced Format (4k) drives */
825 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD??????RX*", "*" },
826 /*quirks*/DA_Q_4K
827 },
828 {
829 /* WDC Caviar Green Advanced Format (4k) drives */
830 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "????RX*", "*" },
831 /*quirks*/DA_Q_4K
832 },
833 {
834 /* WDC Scorpio Black Advanced Format (4k) drives */
835 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PKT*", "*" },
836 /*quirks*/DA_Q_4K
837 },
838 {
839 /* WDC Scorpio Black Advanced Format (4k) drives */
840 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PKT*", "*" },
841 /*quirks*/DA_Q_4K
842 },
843 {
844 /* WDC Scorpio Black Advanced Format (4k) drives */
845 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PKT*", "*" },
846 /*quirks*/DA_Q_4K
847 },
848 {
849 /* WDC Scorpio Black Advanced Format (4k) drives */
850 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PKT*", "*" },
851 /*quirks*/DA_Q_4K
852 },
853 {
854 /* WDC Scorpio Blue Advanced Format (4k) drives */
855 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD???PVT*", "*" },
856 /*quirks*/DA_Q_4K
857 },
858 {
859 /* WDC Scorpio Blue Advanced Format (4k) drives */
860 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "?PVT*", "*" },
861 /*quirks*/DA_Q_4K
862 },
863 {
864 /* WDC Scorpio Blue Advanced Format (4k) drives */
865 { T_DIRECT, SIP_MEDIA_FIXED, "ATA", "WDC WD?????PVT*", "*" },
866 /*quirks*/DA_Q_4K
867 },
868 {
869 /* WDC Scorpio Blue Advanced Format (4k) drives */
870 { T_DIRECT, SIP_MEDIA_FIXED, "WDC WD??", "???PVT*", "*" },
871 /*quirks*/DA_Q_4K
872 },
873 {
874 /*
875 * Olympus FE-210 camera
876 */
877 {T_DIRECT, SIP_MEDIA_REMOVABLE, "OLYMPUS", "FE210*",
878 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
879 },
880 {
881 /*
882 * LG UP3S MP3 player
883 */
884 {T_DIRECT, SIP_MEDIA_REMOVABLE, "LG", "UP3S",
885 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
886 },
887 {
888 /*
889 * Laser MP3-2GA13 MP3 player
890 */
891 {T_DIRECT, SIP_MEDIA_REMOVABLE, "USB 2.0", "(HS) Flash Disk",
892 "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
893 },
894 {
895 /*
896 * LaCie external 250GB Hard drive des by Porsche
897 * Submitted by: Ben Stuyts <ben@altesco.nl>
898 * PR: 121474
899 */
900 {T_DIRECT, SIP_MEDIA_FIXED, "SAMSUNG", "HM250JI", "*"},
901 /*quirks*/ DA_Q_NO_SYNC_CACHE
902 },
903};
904
905static disk_strategy_t dastrategy;
906static dumper_t dadump;
907static periph_init_t dainit;
908static void daasync(void *callback_arg, u_int32_t code,
909 struct cam_path *path, void *arg);
910static void dasysctlinit(void *context, int pending);
911static int dacmdsizesysctl(SYSCTL_HANDLER_ARGS);
912static int dadeletemethodsysctl(SYSCTL_HANDLER_ARGS);
913static int dadeletemaxsysctl(SYSCTL_HANDLER_ARGS);
914static void dadeletemethodset(struct da_softc *softc,
915 da_delete_methods delete_method);
916static off_t dadeletemaxsize(struct da_softc *softc,
917 da_delete_methods delete_method);
918static void dadeletemethodchoose(struct da_softc *softc,
919 da_delete_methods default_method);
920static void daprobedone(struct cam_periph *periph, union ccb *ccb);
921
922static periph_ctor_t daregister;
923static periph_dtor_t dacleanup;
924static periph_start_t dastart;
925static periph_oninv_t daoninvalidate;
926static void dadone(struct cam_periph *periph,
927 union ccb *done_ccb);
928static int daerror(union ccb *ccb, u_int32_t cam_flags,
929 u_int32_t sense_flags);
930static void daprevent(struct cam_periph *periph, int action);
931static void dareprobe(struct cam_periph *periph);
932static void dasetgeom(struct cam_periph *periph, uint32_t block_len,
933 uint64_t maxsector,
934 struct scsi_read_capacity_data_long *rcaplong,
935 size_t rcap_size);
936static timeout_t dasendorderedtag;
937static void dashutdown(void *arg, int howto);
938static timeout_t damediapoll;
939
940#ifndef DA_DEFAULT_POLL_PERIOD
941#define DA_DEFAULT_POLL_PERIOD 3
942#endif
943
944#ifndef DA_DEFAULT_TIMEOUT
945#define DA_DEFAULT_TIMEOUT 60 /* Timeout in seconds */
946#endif
947
948#ifndef DA_DEFAULT_RETRY
949#define DA_DEFAULT_RETRY 4
950#endif
951
952#ifndef DA_DEFAULT_SEND_ORDERED
953#define DA_DEFAULT_SEND_ORDERED 1
954#endif
955
956#define DA_SIO (softc->sort_io_queue >= 0 ? \
957 softc->sort_io_queue : cam_sort_io_queues)
958
959static int da_poll_period = DA_DEFAULT_POLL_PERIOD;
960static int da_retry_count = DA_DEFAULT_RETRY;
961static int da_default_timeout = DA_DEFAULT_TIMEOUT;
962static int da_send_ordered = DA_DEFAULT_SEND_ORDERED;
963
964static SYSCTL_NODE(_kern_cam, OID_AUTO, da, CTLFLAG_RD, 0,
965 "CAM Direct Access Disk driver");
966SYSCTL_INT(_kern_cam_da, OID_AUTO, poll_period, CTLFLAG_RW,
967 &da_poll_period, 0, "Media polling period in seconds");
968TUNABLE_INT("kern.cam.da.poll_period", &da_poll_period);
969SYSCTL_INT(_kern_cam_da, OID_AUTO, retry_count, CTLFLAG_RW,
970 &da_retry_count, 0, "Normal I/O retry count");
971TUNABLE_INT("kern.cam.da.retry_count", &da_retry_count);
972SYSCTL_INT(_kern_cam_da, OID_AUTO, default_timeout, CTLFLAG_RW,
973 &da_default_timeout, 0, "Normal I/O timeout (in seconds)");
974TUNABLE_INT("kern.cam.da.default_timeout", &da_default_timeout);
975SYSCTL_INT(_kern_cam_da, OID_AUTO, send_ordered, CTLFLAG_RW,
976 &da_send_ordered, 0, "Send Ordered Tags");
977TUNABLE_INT("kern.cam.da.send_ordered", &da_send_ordered);
978
979/*
980 * DA_ORDEREDTAG_INTERVAL determines how often, relative
981 * to the default timeout, we check to see whether an ordered
982 * tagged transaction is appropriate to prevent simple tag
983 * starvation. Since we'd like to ensure that there is at least
984 * 1/2 of the timeout length left for a starved transaction to
985 * complete after we've sent an ordered tag, we must poll at least
986 * four times in every timeout period. This takes care of the worst
987 * case where a starved transaction starts during an interval that
988 * meets the requirement "don't send an ordered tag" test so it takes
989 * us two intervals to determine that a tag must be sent.
990 */
991#ifndef DA_ORDEREDTAG_INTERVAL
992#define DA_ORDEREDTAG_INTERVAL 4
993#endif
994
995static struct periph_driver dadriver =
996{
997 dainit, "da",
998 TAILQ_HEAD_INITIALIZER(dadriver.units), /* generation */ 0
999};
1000
1001PERIPHDRIVER_DECLARE(da, dadriver);
1002
1003static MALLOC_DEFINE(M_SCSIDA, "scsi_da", "scsi_da buffers");
1004
1005static int
1006daopen(struct disk *dp)
1007{
1008 struct cam_periph *periph;
1009 struct da_softc *softc;
1010 int error;
1011
1012 periph = (struct cam_periph *)dp->d_drv1;
1013 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1014 return (ENXIO);
1015 }
1016
1017 cam_periph_lock(periph);
1018 if ((error = cam_periph_hold(periph, PRIBIO|PCATCH)) != 0) {
1019 cam_periph_unlock(periph);
1020 cam_periph_release(periph);
1021 return (error);
1022 }
1023
1024 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1025 ("daopen\n"));
1026
1027 softc = (struct da_softc *)periph->softc;
1028 dareprobe(periph);
1029
1030 /* Wait for the disk size update. */
1031 error = cam_periph_sleep(periph, &softc->disk->d_mediasize, PRIBIO,
1032 "dareprobe", 0);
1033 if (error != 0)
1034 xpt_print(periph->path, "unable to retrieve capacity data");
1035
1036 if (periph->flags & CAM_PERIPH_INVALID)
1037 error = ENXIO;
1038
1039 if (error == 0 && (softc->flags & DA_FLAG_PACK_REMOVABLE) != 0 &&
1040 (softc->quirks & DA_Q_NO_PREVENT) == 0)
1041 daprevent(periph, PR_PREVENT);
1042
1043 if (error == 0) {
1044 softc->flags &= ~DA_FLAG_PACK_INVALID;
1045 softc->flags |= DA_FLAG_OPEN;
1046 }
1047
1048 cam_periph_unhold(periph);
1049 cam_periph_unlock(periph);
1050
1051 if (error != 0)
1052 cam_periph_release(periph);
1053
1054 return (error);
1055}
1056
1057static int
1058daclose(struct disk *dp)
1059{
1060 struct cam_periph *periph;
1061 struct da_softc *softc;
1062
1063 periph = (struct cam_periph *)dp->d_drv1;
1064 cam_periph_lock(periph);
1065 if (cam_periph_hold(periph, PRIBIO) != 0) {
1066 cam_periph_unlock(periph);
1067 cam_periph_release(periph);
1068 return (0);
1069 }
1070
1071 softc = (struct da_softc *)periph->softc;
1072
1073 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE | CAM_DEBUG_PERIPH,
1074 ("daclose\n"));
1075
1076 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0
1077 && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
1078 union ccb *ccb;
1079
1080 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
1081
1082 scsi_synchronize_cache(&ccb->csio,
1083 /*retries*/1,
1084 /*cbfcnp*/dadone,
1085 MSG_SIMPLE_Q_TAG,
1086 /*begin_lba*/0,/* Cover the whole disk */
1087 /*lb_count*/0,
1088 SSD_FULL_SIZE,
1089 5 * 60 * 1000);
1090
1091 cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
1092 /*sense_flags*/SF_RETRY_UA | SF_QUIET_IR,
1093 softc->disk->d_devstat);
1094 xpt_release_ccb(ccb);
1095
1096 }
1097
1098 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) != 0) {
1099 if ((softc->quirks & DA_Q_NO_PREVENT) == 0)
1100 daprevent(periph, PR_ALLOW);
1101 /*
1102 * If we've got removeable media, mark the blocksize as
1103 * unavailable, since it could change when new media is
1104 * inserted.
1105 */
1106 softc->disk->d_devstat->flags |= DEVSTAT_BS_UNAVAILABLE;
1107 }
1108
1109 softc->flags &= ~DA_FLAG_OPEN;
1110 cam_periph_unhold(periph);
1111 cam_periph_unlock(periph);
1112 cam_periph_release(periph);
1113 return (0);
1114}
1115
1116static void
1117daschedule(struct cam_periph *periph)
1118{
1119 struct da_softc *softc = (struct da_softc *)periph->softc;
1120 uint32_t prio;
1121
1122 if (softc->state != DA_STATE_NORMAL)
1123 return;
1124
1125 /* Check if cam_periph_getccb() was called. */
1126 prio = periph->immediate_priority;
1127
1128 /* Check if we have more work to do. */
1129 if (bioq_first(&softc->bio_queue) ||
1130 (!softc->delete_running && bioq_first(&softc->delete_queue)) ||
1131 softc->tur) {
1132 prio = CAM_PRIORITY_NORMAL;
1133 }
1134
1135 /* Schedule CCB if any of above is true. */
1136 if (prio != CAM_PRIORITY_NONE)
1137 xpt_schedule(periph, prio);
1138}
1139
1140/*
1141 * Actually translate the requested transfer into one the physical driver
1142 * can understand. The transfer is described by a buf and will include
1143 * only one physical transfer.
1144 */
1145static void
1146dastrategy(struct bio *bp)
1147{
1148 struct cam_periph *periph;
1149 struct da_softc *softc;
1150
1151 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1152 softc = (struct da_softc *)periph->softc;
1153
1154 cam_periph_lock(periph);
1155
1156 /*
1157 * If the device has been made invalid, error out
1158 */
1159 if ((softc->flags & DA_FLAG_PACK_INVALID)) {
1160 cam_periph_unlock(periph);
1161 biofinish(bp, NULL, ENXIO);
1162 return;
1163 }
1164
1165 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastrategy(%p)\n", bp));
1166
1167 /*
1168 * Place it in the queue of disk activities for this disk
1169 */
1170 if (bp->bio_cmd == BIO_DELETE) {
1171 if (bp->bio_bcount == 0)
1172 biodone(bp);
1173 else if (DA_SIO)
1174 bioq_disksort(&softc->delete_queue, bp);
1175 else
1176 bioq_insert_tail(&softc->delete_queue, bp);
1177 } else if (DA_SIO) {
1178 bioq_disksort(&softc->bio_queue, bp);
1179 } else {
1180 bioq_insert_tail(&softc->bio_queue, bp);
1181 }
1182
1183 /*
1184 * Schedule ourselves for performing the work.
1185 */
1186 daschedule(periph);
1187 cam_periph_unlock(periph);
1188
1189 return;
1190}
1191
1192static int
1193dadump(void *arg, void *virtual, vm_offset_t physical, off_t offset, size_t length)
1194{
1195 struct cam_periph *periph;
1196 struct da_softc *softc;
1197 u_int secsize;
1198 struct ccb_scsiio csio;
1199 struct disk *dp;
1200 int error = 0;
1201
1202 dp = arg;
1203 periph = dp->d_drv1;
1204 softc = (struct da_softc *)periph->softc;
1205 cam_periph_lock(periph);
1206 secsize = softc->params.secsize;
1207
1208 if ((softc->flags & DA_FLAG_PACK_INVALID) != 0) {
1209 cam_periph_unlock(periph);
1210 return (ENXIO);
1211 }
1212
1213 if (length > 0) {
1214 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1215 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1216 scsi_read_write(&csio,
1217 /*retries*/0,
1218 dadone,
1219 MSG_ORDERED_Q_TAG,
1220 /*read*/SCSI_RW_WRITE,
1221 /*byte2*/0,
1222 /*minimum_cmd_size*/ softc->minimum_cmd_size,
1223 offset / secsize,
1224 length / secsize,
1225 /*data_ptr*/(u_int8_t *) virtual,
1226 /*dxfer_len*/length,
1227 /*sense_len*/SSD_FULL_SIZE,
1228 da_default_timeout * 1000);
1229 xpt_polled_action((union ccb *)&csio);
1230
1231 error = cam_periph_error((union ccb *)&csio,
1232 0, SF_NO_RECOVERY | SF_NO_RETRY, NULL);
1233 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1234 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1235 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1236 if (error != 0)
1237 printf("Aborting dump due to I/O error.\n");
1238 cam_periph_unlock(periph);
1239 return (error);
1240 }
1241
1242 /*
1243 * Sync the disk cache contents to the physical media.
1244 */
1245 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
1246
1247 xpt_setup_ccb(&csio.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1248 csio.ccb_h.ccb_state = DA_CCB_DUMP;
1249 scsi_synchronize_cache(&csio,
1250 /*retries*/0,
1251 /*cbfcnp*/dadone,
1252 MSG_SIMPLE_Q_TAG,
1253 /*begin_lba*/0,/* Cover the whole disk */
1254 /*lb_count*/0,
1255 SSD_FULL_SIZE,
1256 5 * 60 * 1000);
1257 xpt_polled_action((union ccb *)&csio);
1258
1259 error = cam_periph_error((union ccb *)&csio,
1260 0, SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR, NULL);
1261 if ((csio.ccb_h.status & CAM_DEV_QFRZN) != 0)
1262 cam_release_devq(csio.ccb_h.path, /*relsim_flags*/0,
1263 /*reduction*/0, /*timeout*/0, /*getcount_only*/0);
1264 if (error != 0)
1265 xpt_print(periph->path, "Synchronize cache failed\n");
1266 }
1267 cam_periph_unlock(periph);
1268 return (error);
1269}
1270
1271static int
1272dagetattr(struct bio *bp)
1273{
1274 int ret;
1275 struct cam_periph *periph;
1276
1277 periph = (struct cam_periph *)bp->bio_disk->d_drv1;
1278 cam_periph_lock(periph);
1279 ret = xpt_getattr(bp->bio_data, bp->bio_length, bp->bio_attribute,
1280 periph->path);
1281 cam_periph_unlock(periph);
1282 if (ret == 0)
1283 bp->bio_completed = bp->bio_length;
1284 return ret;
1285}
1286
1287static void
1288dainit(void)
1289{
1290 cam_status status;
1291
1292 /*
1293 * Install a global async callback. This callback will
1294 * receive async callbacks like "new device found".
1295 */
1296 status = xpt_register_async(AC_FOUND_DEVICE, daasync, NULL, NULL);
1297
1298 if (status != CAM_REQ_CMP) {
1299 printf("da: Failed to attach master async callback "
1300 "due to status 0x%x!\n", status);
1301 } else if (da_send_ordered) {
1302
1303 /* Register our shutdown event handler */
1304 if ((EVENTHANDLER_REGISTER(shutdown_post_sync, dashutdown,
1305 NULL, SHUTDOWN_PRI_DEFAULT)) == NULL)
1306 printf("dainit: shutdown event registration failed!\n");
1307 }
1308}
1309
1310/*
1311 * Callback from GEOM, called when it has finished cleaning up its
1312 * resources.
1313 */
1314static void
1315dadiskgonecb(struct disk *dp)
1316{
1317 struct cam_periph *periph;
1318
1319 periph = (struct cam_periph *)dp->d_drv1;
1320 cam_periph_release(periph);
1321}
1322
1323static void
1324daoninvalidate(struct cam_periph *periph)
1325{
1326 struct da_softc *softc;
1327
1328 softc = (struct da_softc *)periph->softc;
1329
1330 /*
1331 * De-register any async callbacks.
1332 */
1333 xpt_register_async(0, daasync, periph, periph->path);
1334
1335 softc->flags |= DA_FLAG_PACK_INVALID;
1336
1337 /*
1338 * Return all queued I/O with ENXIO.
1339 * XXX Handle any transactions queued to the card
1340 * with XPT_ABORT_CCB.
1341 */
1342 bioq_flush(&softc->bio_queue, NULL, ENXIO);
1343 bioq_flush(&softc->delete_queue, NULL, ENXIO);
1344
1345 /*
1346 * Tell GEOM that we've gone away, we'll get a callback when it is
1347 * done cleaning up its resources.
1348 */
1349 disk_gone(softc->disk);
1350
1351 xpt_print(periph->path, "lost device - %d outstanding, %d refs\n",
1352 softc->outstanding_cmds, periph->refcount);
1353}
1354
1355static void
1356dacleanup(struct cam_periph *periph)
1357{
1358 struct da_softc *softc;
1359
1360 softc = (struct da_softc *)periph->softc;
1361
1362 xpt_print(periph->path, "removing device entry\n");
1363 cam_periph_unlock(periph);
1364
1365 /*
1366 * If we can't free the sysctl tree, oh well...
1367 */
1368 if ((softc->flags & DA_FLAG_SCTX_INIT) != 0
1369 && sysctl_ctx_free(&softc->sysctl_ctx) != 0) {
1370 xpt_print(periph->path, "can't remove sysctl context\n");
1371 }
1372
1373 callout_drain(&softc->mediapoll_c);
1374 disk_destroy(softc->disk);
1375 callout_drain(&softc->sendordered_c);
1376 free(softc, M_DEVBUF);
1377 cam_periph_lock(periph);
1378}
1379
1380static void
1381daasync(void *callback_arg, u_int32_t code,
1382 struct cam_path *path, void *arg)
1383{
1384 struct cam_periph *periph;
1385 struct da_softc *softc;
1386
1387 periph = (struct cam_periph *)callback_arg;
1388 switch (code) {
1389 case AC_FOUND_DEVICE:
1390 {
1391 struct ccb_getdev *cgd;
1392 cam_status status;
1393
1394 cgd = (struct ccb_getdev *)arg;
1395 if (cgd == NULL)
1396 break;
1397
1398 if (cgd->protocol != PROTO_SCSI)
1399 break;
1400
1401 if (SID_TYPE(&cgd->inq_data) != T_DIRECT
1402 && SID_TYPE(&cgd->inq_data) != T_RBC
1403 && SID_TYPE(&cgd->inq_data) != T_OPTICAL)
1404 break;
1405
1406 /*
1407 * Allocate a peripheral instance for
1408 * this device and start the probe
1409 * process.
1410 */
1411 status = cam_periph_alloc(daregister, daoninvalidate,
1412 dacleanup, dastart,
1413 "da", CAM_PERIPH_BIO,
1414 cgd->ccb_h.path, daasync,
1415 AC_FOUND_DEVICE, cgd);
1416
1417 if (status != CAM_REQ_CMP
1418 && status != CAM_REQ_INPROG)
1419 printf("daasync: Unable to attach to new device "
1420 "due to status 0x%x\n", status);
1421 return;
1422 }
1423 case AC_ADVINFO_CHANGED:
1424 {
1425 uintptr_t buftype;
1426
1427 buftype = (uintptr_t)arg;
1428 if (buftype == CDAI_TYPE_PHYS_PATH) {
1429 struct da_softc *softc;
1430
1431 softc = periph->softc;
1432 disk_attr_changed(softc->disk, "GEOM::physpath",
1433 M_NOWAIT);
1434 }
1435 break;
1436 }
1437 case AC_UNIT_ATTENTION:
1438 {
1439 union ccb *ccb;
1440 int error_code, sense_key, asc, ascq;
1441
1442 softc = (struct da_softc *)periph->softc;
1443 ccb = (union ccb *)arg;
1444
1445 /*
1446 * Handle all UNIT ATTENTIONs except our own,
1447 * as they will be handled by daerror().
1448 */
1449 if (xpt_path_periph(ccb->ccb_h.path) != periph &&
1450 scsi_extract_sense_ccb(ccb,
1451 &error_code, &sense_key, &asc, &ascq)) {
1452 if (asc == 0x2A && ascq == 0x09) {
1453 xpt_print(ccb->ccb_h.path,
1454 "capacity data has changed\n");
1455 dareprobe(periph);
1456 } else if (asc == 0x28 && ascq == 0x00)
1457 disk_media_changed(softc->disk, M_NOWAIT);
1458 }
1459 cam_periph_async(periph, code, path, arg);
1460 break;
1461 }
1462 case AC_SCSI_AEN:
1463 softc = (struct da_softc *)periph->softc;
1464 if (!softc->tur) {
1465 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
1466 softc->tur = 1;
1467 daschedule(periph);
1468 }
1469 }
1470 /* FALLTHROUGH */
1471 case AC_SENT_BDR:
1472 case AC_BUS_RESET:
1473 {
1474 struct ccb_hdr *ccbh;
1475
1476 softc = (struct da_softc *)periph->softc;
1477 /*
1478 * Don't fail on the expected unit attention
1479 * that will occur.
1480 */
1481 softc->flags |= DA_FLAG_RETRY_UA;
1482 LIST_FOREACH(ccbh, &softc->pending_ccbs, periph_links.le)
1483 ccbh->ccb_state |= DA_CCB_RETRY_UA;
1484 break;
1485 }
1486 default:
1487 break;
1488 }
1489 cam_periph_async(periph, code, path, arg);
1490}
1491
1492static void
1493dasysctlinit(void *context, int pending)
1494{
1495 struct cam_periph *periph;
1496 struct da_softc *softc;
1497 char tmpstr[80], tmpstr2[80];
1498 struct ccb_trans_settings cts;
1499
1500 periph = (struct cam_periph *)context;
1501 /*
1502 * periph was held for us when this task was enqueued
1503 */
1504 if (periph->flags & CAM_PERIPH_INVALID) {
1505 cam_periph_release(periph);
1506 return;
1507 }
1508
1509 softc = (struct da_softc *)periph->softc;
1510 snprintf(tmpstr, sizeof(tmpstr), "CAM DA unit %d", periph->unit_number);
1511 snprintf(tmpstr2, sizeof(tmpstr2), "%d", periph->unit_number);
1512
1513 sysctl_ctx_init(&softc->sysctl_ctx);
1514 softc->flags |= DA_FLAG_SCTX_INIT;
1515 softc->sysctl_tree = SYSCTL_ADD_NODE(&softc->sysctl_ctx,
1516 SYSCTL_STATIC_CHILDREN(_kern_cam_da), OID_AUTO, tmpstr2,
1517 CTLFLAG_RD, 0, tmpstr);
1518 if (softc->sysctl_tree == NULL) {
1519 printf("dasysctlinit: unable to allocate sysctl tree\n");
1520 cam_periph_release(periph);
1521 return;
1522 }
1523
1524 /*
1525 * Now register the sysctl handler, so the user can change the value on
1526 * the fly.
1527 */
1528 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1529 OID_AUTO, "delete_method", CTLTYPE_STRING | CTLFLAG_RW,
1530 softc, 0, dadeletemethodsysctl, "A",
1531 "BIO_DELETE execution method");
1532 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1533 OID_AUTO, "delete_max", CTLTYPE_U64 | CTLFLAG_RW,
1534 softc, 0, dadeletemaxsysctl, "Q",
1535 "Maximum BIO_DELETE size");
1536 SYSCTL_ADD_PROC(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1537 OID_AUTO, "minimum_cmd_size", CTLTYPE_INT | CTLFLAG_RW,
1538 &softc->minimum_cmd_size, 0, dacmdsizesysctl, "I",
1539 "Minimum CDB size");
1540 SYSCTL_ADD_INT(&softc->sysctl_ctx, SYSCTL_CHILDREN(softc->sysctl_tree),
1541 OID_AUTO, "sort_io_queue", CTLFLAG_RW, &softc->sort_io_queue, 0,
1542 "Sort IO queue to try and optimise disk access patterns");
1543
1544 SYSCTL_ADD_INT(&softc->sysctl_ctx,
1545 SYSCTL_CHILDREN(softc->sysctl_tree),
1546 OID_AUTO,
1547 "error_inject",
1548 CTLFLAG_RW,
1549 &softc->error_inject,
1550 0,
1551 "error_inject leaf");
1552
1553
1554 /*
1555 * Add some addressing info.
1556 */
1557 memset(&cts, 0, sizeof (cts));
1558 xpt_setup_ccb(&cts.ccb_h, periph->path, CAM_PRIORITY_NONE);
1559 cts.ccb_h.func_code = XPT_GET_TRAN_SETTINGS;
1560 cts.type = CTS_TYPE_CURRENT_SETTINGS;
1561 cam_periph_lock(periph);
1562 xpt_action((union ccb *)&cts);
1563 cam_periph_unlock(periph);
1564 if (cts.ccb_h.status != CAM_REQ_CMP) {
1565 cam_periph_release(periph);
1566 return;
1567 }
1568 if (cts.protocol == PROTO_SCSI && cts.transport == XPORT_FC) {
1569 struct ccb_trans_settings_fc *fc = &cts.xport_specific.fc;
1570 if (fc->valid & CTS_FC_VALID_WWPN) {
1571 softc->wwpn = fc->wwpn;
1572 SYSCTL_ADD_UQUAD(&softc->sysctl_ctx,
1573 SYSCTL_CHILDREN(softc->sysctl_tree),
1574 OID_AUTO, "wwpn", CTLFLAG_RD,
1575 &softc->wwpn, "World Wide Port Name");
1576 }
1577 }
1578 cam_periph_release(periph);
1579}
1580
1581static int
1582dadeletemaxsysctl(SYSCTL_HANDLER_ARGS)
1583{
1584 int error;
1585 uint64_t value;
1586 struct da_softc *softc;
1587
1588 softc = (struct da_softc *)arg1;
1589
1590 value = softc->disk->d_delmaxsize;
1591 error = sysctl_handle_64(oidp, &value, 0, req);
1592 if ((error != 0) || (req->newptr == NULL))
1593 return (error);
1594
1595 /* only accept values smaller than the calculated value */
1596 if (value > softc->disk->d_delmaxsize) {
1597 return (EINVAL);
1598 }
1599 softc->disk->d_delmaxsize = value;
1600
1601 return (0);
1602}
1603
1604static int
1605dacmdsizesysctl(SYSCTL_HANDLER_ARGS)
1606{
1607 int error, value;
1608
1609 value = *(int *)arg1;
1610
1611 error = sysctl_handle_int(oidp, &value, 0, req);
1612
1613 if ((error != 0)
1614 || (req->newptr == NULL))
1615 return (error);
1616
1617 /*
1618 * Acceptable values here are 6, 10, 12 or 16.
1619 */
1620 if (value < 6)
1621 value = 6;
1622 else if ((value > 6)
1623 && (value <= 10))
1624 value = 10;
1625 else if ((value > 10)
1626 && (value <= 12))
1627 value = 12;
1628 else if (value > 12)
1629 value = 16;
1630
1631 *(int *)arg1 = value;
1632
1633 return (0);
1634}
1635
1636static void
1637dadeletemethodset(struct da_softc *softc, da_delete_methods delete_method)
1638{
1639
1640
1641 softc->delete_method = delete_method;
1642 softc->disk->d_delmaxsize = dadeletemaxsize(softc, delete_method);
1643
1644 if (softc->delete_method > DA_DELETE_DISABLE)
1645 softc->disk->d_flags |= DISKFLAG_CANDELETE;
1646 else
1647 softc->disk->d_flags &= ~DISKFLAG_CANDELETE;
1648}
1649
1650static off_t
1651dadeletemaxsize(struct da_softc *softc, da_delete_methods delete_method)
1652{
1653 off_t sectors;
1654
1655 switch(delete_method) {
1656 case DA_DELETE_UNMAP:
1657 sectors = (off_t)softc->unmap_max_lba * softc->unmap_max_ranges;
1658 break;
1659 case DA_DELETE_ATA_TRIM:
1660 sectors = (off_t)ATA_DSM_RANGE_MAX * softc->trim_max_ranges;
1661 break;
1662 case DA_DELETE_WS16:
1663 sectors = (off_t)min(softc->ws_max_blks, WS16_MAX_BLKS);
1664 break;
1665 case DA_DELETE_ZERO:
1666 case DA_DELETE_WS10:
1667 sectors = (off_t)min(softc->ws_max_blks, WS10_MAX_BLKS);
1668 break;
1669 default:
1670 return 0;
1671 }
1672
1673 return (off_t)softc->params.secsize *
1674 min(sectors, (off_t)softc->params.sectors);
1675}
1676
1677static void
1678daprobedone(struct cam_periph *periph, union ccb *ccb)
1679{
1680 struct da_softc *softc;
1681
1682 softc = (struct da_softc *)periph->softc;
1683
1684 dadeletemethodchoose(softc, DA_DELETE_NONE);
1685
1686 if (bootverbose && (softc->flags & DA_FLAG_PROBED) == 0) {
1687 char buf[80];
1688 int i, sep;
1689
1690 snprintf(buf, sizeof(buf), "Delete methods: <");
1691 sep = 0;
1692 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1693 if (softc->delete_available & (1 << i)) {
1694 if (sep) {
1695 strlcat(buf, ",", sizeof(buf));
1696 } else {
1697 sep = 1;
1698 }
1699 strlcat(buf, da_delete_method_names[i],
1700 sizeof(buf));
1701 if (i == softc->delete_method) {
1702 strlcat(buf, "(*)", sizeof(buf));
1703 }
1704 }
1705 }
1706 if (sep == 0) {
1707 if (softc->delete_method == DA_DELETE_NONE)
1708 strlcat(buf, "NONE(*)", sizeof(buf));
1709 else
1710 strlcat(buf, "DISABLED(*)", sizeof(buf));
1711 }
1712 strlcat(buf, ">", sizeof(buf));
1713 printf("%s%d: %s\n", periph->periph_name,
1714 periph->unit_number, buf);
1715 }
1716
1717 /*
1718 * Since our peripheral may be invalidated by an error
1719 * above or an external event, we must release our CCB
1720 * before releasing the probe lock on the peripheral.
1721 * The peripheral will only go away once the last lock
1722 * is removed, and we need it around for the CCB release
1723 * operation.
1724 */
1725 xpt_release_ccb(ccb);
1726 softc->state = DA_STATE_NORMAL;
1727 daschedule(periph);
1728 wakeup(&softc->disk->d_mediasize);
1729 if ((softc->flags & DA_FLAG_PROBED) == 0) {
1730 softc->flags |= DA_FLAG_PROBED;
1731 cam_periph_unhold(periph);
1732 } else
1733 cam_periph_release_locked(periph);
1734}
1735
1736static void
1737dadeletemethodchoose(struct da_softc *softc, da_delete_methods default_method)
1738{
1739 int i, delete_method;
1740
1741 delete_method = default_method;
1742
1743 /*
1744 * Use the pre-defined order to choose the best
1745 * performing delete.
1746 */
1747 for (i = DA_DELETE_MIN; i <= DA_DELETE_MAX; i++) {
1748 if (softc->delete_available & (1 << i)) {
1749 dadeletemethodset(softc, i);
1750 return;
1751 }
1752 }
1753 dadeletemethodset(softc, delete_method);
1754}
1755
1756static int
1757dadeletemethodsysctl(SYSCTL_HANDLER_ARGS)
1758{
1759 char buf[16];
1760 const char *p;
1761 struct da_softc *softc;
1762 int i, error, value;
1763
1764 softc = (struct da_softc *)arg1;
1765
1766 value = softc->delete_method;
1767 if (value < 0 || value > DA_DELETE_MAX)
1768 p = "UNKNOWN";
1769 else
1770 p = da_delete_method_names[value];
1771 strncpy(buf, p, sizeof(buf));
1772 error = sysctl_handle_string(oidp, buf, sizeof(buf), req);
1773 if (error != 0 || req->newptr == NULL)
1774 return (error);
1775 for (i = 0; i <= DA_DELETE_MAX; i++) {
1776 if (strcmp(buf, da_delete_method_names[i]) != 0)
1777 continue;
1778 dadeletemethodset(softc, i);
1779 return (0);
1780 }
1781 return (EINVAL);
1782}
1783
1784static cam_status
1785daregister(struct cam_periph *periph, void *arg)
1786{
1787 struct da_softc *softc;
1788 struct ccb_pathinq cpi;
1789 struct ccb_getdev *cgd;
1790 char tmpstr[80];
1791 caddr_t match;
1792
1793 cgd = (struct ccb_getdev *)arg;
1794 if (cgd == NULL) {
1795 printf("daregister: no getdev CCB, can't register device\n");
1796 return(CAM_REQ_CMP_ERR);
1797 }
1798
1799 softc = (struct da_softc *)malloc(sizeof(*softc), M_DEVBUF,
1800 M_NOWAIT|M_ZERO);
1801
1802 if (softc == NULL) {
1803 printf("daregister: Unable to probe new device. "
1804 "Unable to allocate softc\n");
1805 return(CAM_REQ_CMP_ERR);
1806 }
1807
1808 LIST_INIT(&softc->pending_ccbs);
1809 softc->state = DA_STATE_PROBE_RC;
1810 bioq_init(&softc->bio_queue);
1811 bioq_init(&softc->delete_queue);
1812 bioq_init(&softc->delete_run_queue);
1813 if (SID_IS_REMOVABLE(&cgd->inq_data))
1814 softc->flags |= DA_FLAG_PACK_REMOVABLE;
1815 softc->unmap_max_ranges = UNMAP_MAX_RANGES;
1816 softc->unmap_max_lba = UNMAP_RANGE_MAX;
1817 softc->ws_max_blks = WS16_MAX_BLKS;
1818 softc->trim_max_ranges = ATA_TRIM_MAX_RANGES;
1819 softc->sort_io_queue = -1;
1820
1821 periph->softc = softc;
1822
1823 /*
1824 * See if this device has any quirks.
1825 */
1826 match = cam_quirkmatch((caddr_t)&cgd->inq_data,
1827 (caddr_t)da_quirk_table,
1828 sizeof(da_quirk_table)/sizeof(*da_quirk_table),
1829 sizeof(*da_quirk_table), scsi_inquiry_match);
1830
1831 if (match != NULL)
1832 softc->quirks = ((struct da_quirk_entry *)match)->quirks;
1833 else
1834 softc->quirks = DA_Q_NONE;
1835
1836 /* Check if the SIM does not want 6 byte commands */
1837 bzero(&cpi, sizeof(cpi));
1838 xpt_setup_ccb(&cpi.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
1839 cpi.ccb_h.func_code = XPT_PATH_INQ;
1840 xpt_action((union ccb *)&cpi);
1841 if (cpi.ccb_h.status == CAM_REQ_CMP && (cpi.hba_misc & PIM_NO_6_BYTE))
1842 softc->quirks |= DA_Q_NO_6_BYTE;
1843
1844 TASK_INIT(&softc->sysctl_task, 0, dasysctlinit, periph);
1845
1846 /*
1847 * Take an exclusive refcount on the periph while dastart is called
1848 * to finish the probe. The reference will be dropped in dadone at
1849 * the end of probe.
1850 */
1851 (void)cam_periph_hold(periph, PRIBIO);
1852
1853 /*
1854 * Schedule a periodic event to occasionally send an
1855 * ordered tag to a device.
1856 */
1857 callout_init_mtx(&softc->sendordered_c, periph->sim->mtx, 0);
1858 callout_reset(&softc->sendordered_c,
1859 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
1860 dasendorderedtag, softc);
1861
1862 cam_periph_unlock(periph);
1863 /*
1864 * RBC devices don't have to support READ(6), only READ(10).
1865 */
1866 if (softc->quirks & DA_Q_NO_6_BYTE || SID_TYPE(&cgd->inq_data) == T_RBC)
1867 softc->minimum_cmd_size = 10;
1868 else
1869 softc->minimum_cmd_size = 6;
1870
1871 /*
1872 * Load the user's default, if any.
1873 */
1874 snprintf(tmpstr, sizeof(tmpstr), "kern.cam.da.%d.minimum_cmd_size",
1875 periph->unit_number);
1876 TUNABLE_INT_FETCH(tmpstr, &softc->minimum_cmd_size);
1877
1878 /*
1879 * 6, 10, 12 and 16 are the currently permissible values.
1880 */
1881 if (softc->minimum_cmd_size < 6)
1882 softc->minimum_cmd_size = 6;
1883 else if ((softc->minimum_cmd_size > 6)
1884 && (softc->minimum_cmd_size <= 10))
1885 softc->minimum_cmd_size = 10;
1886 else if ((softc->minimum_cmd_size > 10)
1887 && (softc->minimum_cmd_size <= 12))
1888 softc->minimum_cmd_size = 12;
1889 else if (softc->minimum_cmd_size > 12)
1890 softc->minimum_cmd_size = 16;
1891
1892 /* Predict whether device may support READ CAPACITY(16). */
1893 if (SID_ANSI_REV(&cgd->inq_data) >= SCSI_REV_SPC3) {
1894 softc->flags |= DA_FLAG_CAN_RC16;
1895 softc->state = DA_STATE_PROBE_RC16;
1896 }
1897
1898 /*
1899 * Register this media as a disk.
1900 */
1901 softc->disk = disk_alloc();
1902 softc->disk->d_devstat = devstat_new_entry(periph->periph_name,
1903 periph->unit_number, 0,
1904 DEVSTAT_BS_UNAVAILABLE,
1905 SID_TYPE(&cgd->inq_data) |
1906 XPORT_DEVSTAT_TYPE(cpi.transport),
1907 DEVSTAT_PRIORITY_DISK);
1908 softc->disk->d_open = daopen;
1909 softc->disk->d_close = daclose;
1910 softc->disk->d_strategy = dastrategy;
1911 softc->disk->d_dump = dadump;
1912 softc->disk->d_getattr = dagetattr;
1913 softc->disk->d_gone = dadiskgonecb;
1914 softc->disk->d_name = "da";
1915 softc->disk->d_drv1 = periph;
1916 if (cpi.maxio == 0)
1917 softc->disk->d_maxsize = DFLTPHYS; /* traditional default */
1918 else if (cpi.maxio > MAXPHYS)
1919 softc->disk->d_maxsize = MAXPHYS; /* for safety */
1920 else
1921 softc->disk->d_maxsize = cpi.maxio;
1922 softc->disk->d_unit = periph->unit_number;
1923 softc->disk->d_flags = 0;
1924 if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0)
1925 softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE;
1926 if ((cpi.hba_misc & PIM_UNMAPPED) != 0)
1927 softc->disk->d_flags |= DISKFLAG_UNMAPPED_BIO;
1928 cam_strvis(softc->disk->d_descr, cgd->inq_data.vendor,
1929 sizeof(cgd->inq_data.vendor), sizeof(softc->disk->d_descr));
1930 strlcat(softc->disk->d_descr, " ", sizeof(softc->disk->d_descr));
1931 cam_strvis(&softc->disk->d_descr[strlen(softc->disk->d_descr)],
1932 cgd->inq_data.product, sizeof(cgd->inq_data.product),
1933 sizeof(softc->disk->d_descr) - strlen(softc->disk->d_descr));
1934 softc->disk->d_hba_vendor = cpi.hba_vendor;
1935 softc->disk->d_hba_device = cpi.hba_device;
1936 softc->disk->d_hba_subvendor = cpi.hba_subvendor;
1937 softc->disk->d_hba_subdevice = cpi.hba_subdevice;
1938
1939 /*
1940 * Acquire a reference to the periph before we register with GEOM.
1941 * We'll release this reference once GEOM calls us back (via
1942 * dadiskgonecb()) telling us that our provider has been freed.
1943 */
1944 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1945 xpt_print(periph->path, "%s: lost periph during "
1946 "registration!\n", __func__);
1947 cam_periph_lock(periph);
1948 return (CAM_REQ_CMP_ERR);
1949 }
1950
1951 disk_create(softc->disk, DISK_VERSION);
1952 cam_periph_lock(periph);
1953
1954 /*
1955 * Add async callbacks for events of interest.
1956 * I don't bother checking if this fails as,
1957 * in most cases, the system will function just
1958 * fine without them and the only alternative
1959 * would be to not attach the device on failure.
1960 */
1961 xpt_register_async(AC_SENT_BDR | AC_BUS_RESET | AC_LOST_DEVICE |
1962 AC_ADVINFO_CHANGED | AC_SCSI_AEN | AC_UNIT_ATTENTION,
1963 daasync, periph, periph->path);
1964
1965 /*
1966 * Emit an attribute changed notification just in case
1967 * physical path information arrived before our async
1968 * event handler was registered, but after anyone attaching
1969 * to our disk device polled it.
1970 */
1971 disk_attr_changed(softc->disk, "GEOM::physpath", M_NOWAIT);
1972
1973 /*
1974 * Schedule a periodic media polling events.
1975 */
1976 callout_init_mtx(&softc->mediapoll_c, periph->sim->mtx, 0);
1977 if ((softc->flags & DA_FLAG_PACK_REMOVABLE) &&
1978 (cgd->inq_flags & SID_AEN) == 0 &&
1979 da_poll_period != 0)
1980 callout_reset(&softc->mediapoll_c, da_poll_period * hz,
1981 damediapoll, periph);
1982
1983 xpt_schedule(periph, CAM_PRIORITY_DEV);
1984
1985 return(CAM_REQ_CMP);
1986}
1987
1988static void
1989dastart(struct cam_periph *periph, union ccb *start_ccb)
1990{
1991 struct da_softc *softc;
1992
1993 softc = (struct da_softc *)periph->softc;
1994
1995 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("dastart\n"));
1996
1997skipstate:
1998 switch (softc->state) {
1999 case DA_STATE_NORMAL:
2000 {
2001 struct bio *bp, *bp1;
2002 uint8_t tag_code;
2003
2004 /* Execute immediate CCB if waiting. */
2005 if (periph->immediate_priority <= periph->pinfo.priority) {
2006 CAM_DEBUG(periph->path, CAM_DEBUG_SUBTRACE,
2007 ("queuing for immediate ccb\n"));
2008 start_ccb->ccb_h.ccb_state = DA_CCB_WAITING;
2009 SLIST_INSERT_HEAD(&periph->ccb_list, &start_ccb->ccb_h,
2010 periph_links.sle);
2011 periph->immediate_priority = CAM_PRIORITY_NONE;
2012 wakeup(&periph->ccb_list);
2013 /* May have more work to do, so ensure we stay scheduled */
2014 daschedule(periph);
2015 break;
2016 }
2017
2018 /* Run BIO_DELETE if not running yet. */
2019 if (!softc->delete_running &&
2020 (bp = bioq_first(&softc->delete_queue)) != NULL) {
2021 uint64_t lba;
2022 uint64_t count; /* forward compat with WS32 */
2023
2024 /*
2025 * In each of the methods below, while its the caller's
2026 * responsibility to ensure the request will fit into a
2027 * single device request, we might have changed the delete
2028 * method due to the device incorrectly advertising either
2029 * its supported methods or limits.
2030 *
2031 * To prevent this causing further issues we validate the
2032 * against the methods limits, and warn which would
2033 * otherwise be unnecessary.
2034 */
2035
2036 if (softc->delete_method == DA_DELETE_UNMAP) {
2037 uint8_t *buf = softc->unmap_buf;
2038 uint64_t lastlba = (uint64_t)-1;
2039 uint32_t lastcount = 0, c;
2040 uint64_t totalcount = 0;
2041 uint32_t off, ranges = 0;
2042
2043 /*
2044 * Currently this doesn't take the UNMAP
2045 * Granularity and Granularity Alignment
2046 * fields into account.
2047 *
2048 * This could result in both unoptimal unmap
2049 * requests as as well as UNMAP calls unmapping
2050 * fewer LBA's than requested.
2051 */
2052
2053 softc->delete_running = 1;
2054 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2055 bp1 = bp;
2056 do {
2057 bioq_remove(&softc->delete_queue, bp1);
2058 if (bp1 != bp)
2059 bioq_insert_tail(&softc->delete_run_queue, bp1);
2060 lba = bp1->bio_pblkno;
2061 count = bp1->bio_bcount / softc->params.secsize;
2062
2063 /* Try to extend the previous range. */
2064 if (lba == lastlba) {
2065 c = min(count, softc->unmap_max_lba -
2066 lastcount);
2067 lastcount += c;
2068 off = ((ranges - 1) * UNMAP_RANGE_SIZE) +
2069 UNMAP_HEAD_SIZE;
2070 scsi_ulto4b(lastcount, &buf[off + 8]);
2071 count -= c;
2072 lba +=c;
2073 totalcount += c;
2074 }
2075
2076 while (count > 0) {
2077 c = min(count, softc->unmap_max_lba);
2078 if (totalcount + c > softc->unmap_max_lba ||
2079 ranges >= softc->unmap_max_ranges) {
2080 xpt_print(periph->path,
2081 "%s issuing short delete %ld > %ld"
2082 "|| %d >= %d",
2083 da_delete_method_desc[softc->delete_method],
2084 totalcount + c, softc->unmap_max_lba,
2085 ranges, softc->unmap_max_ranges);
2086 break;
2087 }
2088 off = (ranges * UNMAP_RANGE_SIZE) +
2089 UNMAP_HEAD_SIZE;
2090 scsi_u64to8b(lba, &buf[off + 0]);
2091 scsi_ulto4b(c, &buf[off + 8]);
2092 lba += c;
2093 totalcount += c;
2094 ranges++;
2095 count -= c;
2096 lastcount = c;
2097 }
2098 lastlba = lba;
2099 bp1 = bioq_first(&softc->delete_queue);
2100 if (bp1 == NULL ||
2101 ranges >= softc->unmap_max_ranges ||
2102 totalcount + bp1->bio_bcount /
2103 softc->params.secsize > softc->unmap_max_lba)
2104 break;
2105 } while (1);
2106 scsi_ulto2b(ranges * 16 + 6, &buf[0]);
2107 scsi_ulto2b(ranges * 16, &buf[2]);
2108
2109 scsi_unmap(&start_ccb->csio,
2110 /*retries*/da_retry_count,
2111 /*cbfcnp*/dadone,
2112 /*tag_action*/MSG_SIMPLE_Q_TAG,
2113 /*byte2*/0,
2114 /*data_ptr*/ buf,
2115 /*dxfer_len*/ ranges * 16 + 8,
2116 /*sense_len*/SSD_FULL_SIZE,
2117 da_default_timeout * 1000);
2118 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2119 goto out;
2120 } else if (softc->delete_method == DA_DELETE_ATA_TRIM) {
2121 uint8_t *buf = softc->unmap_buf;
2122 uint64_t lastlba = (uint64_t)-1;
2123 uint32_t lastcount = 0, c, requestcount;
2124 int ranges = 0, off, block_count;
2125
2126 softc->delete_running = 1;
2127 bzero(softc->unmap_buf, sizeof(softc->unmap_buf));
2128 bp1 = bp;
2129 do {
2130 bioq_remove(&softc->delete_queue, bp1);
2131 if (bp1 != bp)
2132 bioq_insert_tail(&softc->delete_run_queue, bp1);
2133 lba = bp1->bio_pblkno;
2134 count = bp1->bio_bcount / softc->params.secsize;
2135 requestcount = count;
2136
2137 /* Try to extend the previous range. */
2138 if (lba == lastlba) {
2139 c = min(count, ATA_DSM_RANGE_MAX - lastcount);
2140 lastcount += c;
2141 off = (ranges - 1) * 8;
2142 buf[off + 6] = lastcount & 0xff;
2143 buf[off + 7] = (lastcount >> 8) & 0xff;
2144 count -= c;
2145 lba += c;
2146 }
2147
2148 while (count > 0) {
2149 c = min(count, ATA_DSM_RANGE_MAX);
2150 off = ranges * 8;
2151
2152 buf[off + 0] = lba & 0xff;
2153 buf[off + 1] = (lba >> 8) & 0xff;
2154 buf[off + 2] = (lba >> 16) & 0xff;
2155 buf[off + 3] = (lba >> 24) & 0xff;
2156 buf[off + 4] = (lba >> 32) & 0xff;
2157 buf[off + 5] = (lba >> 40) & 0xff;
2158 buf[off + 6] = c & 0xff;
2159 buf[off + 7] = (c >> 8) & 0xff;
2160 lba += c;
2161 ranges++;
2162 count -= c;
2163 lastcount = c;
2164 if (count != 0 && ranges == softc->trim_max_ranges) {
2165 xpt_print(periph->path,
2166 "%s issuing short delete %ld > %ld",
2167 da_delete_method_desc[softc->delete_method],
2168 requestcount,
2169 (softc->trim_max_ranges - ranges) *
2170 ATA_DSM_RANGE_MAX);
2171 break;
2172 }
2173 }
2174 lastlba = lba;
2175 bp1 = bioq_first(&softc->delete_queue);
2176 if (bp1 == NULL ||
2177 bp1->bio_bcount / softc->params.secsize >
2178 (softc->trim_max_ranges - ranges) *
2179 ATA_DSM_RANGE_MAX)
2180 break;
2181 } while (1);
2182
2183 block_count = (ranges + ATA_DSM_BLK_RANGES - 1) /
2184 ATA_DSM_BLK_RANGES;
2185 scsi_ata_trim(&start_ccb->csio,
2186 /*retries*/da_retry_count,
2187 /*cbfcnp*/dadone,
2188 /*tag_action*/MSG_SIMPLE_Q_TAG,
2189 block_count,
2190 /*data_ptr*/buf,
2191 /*dxfer_len*/block_count * ATA_DSM_BLK_SIZE,
2192 /*sense_len*/SSD_FULL_SIZE,
2193 da_default_timeout * 1000);
2194 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2195 goto out;
2196 } else if (softc->delete_method == DA_DELETE_ZERO ||
2197 softc->delete_method == DA_DELETE_WS10 ||
2198 softc->delete_method == DA_DELETE_WS16) {
2199 /*
2200 * We calculate ws_max_blks here based off d_delmaxsize instead
2201 * of using softc->ws_max_blks as it is absolute max for the
2202 * device not the protocol max which may well be lower
2203 */
2204 uint64_t ws_max_blks;
2205 ws_max_blks = softc->disk->d_delmaxsize / softc->params.secsize;
2206 softc->delete_running = 1;
2207 lba = bp->bio_pblkno;
2208 count = 0;
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 count += bp1->bio_bcount / softc->params.secsize;
2215 if (count > ws_max_blks) {
2216 count = min(count, ws_max_blks);
2217 xpt_print(periph->path,
2218 "%s issuing short delete %ld > %ld",
2219 da_delete_method_desc[softc->delete_method],
2220 count, ws_max_blks);
2221 break;
2222 }
2223 bp1 = bioq_first(&softc->delete_queue);
2224 if (bp1 == NULL ||
2225 lba + count != bp1->bio_pblkno ||
2226 count + bp1->bio_bcount /
2227 softc->params.secsize > ws_max_blks)
2228 break;
2229 } while (1);
2230
2231 scsi_write_same(&start_ccb->csio,
2232 /*retries*/da_retry_count,
2233 /*cbfcnp*/dadone,
2234 /*tag_action*/MSG_SIMPLE_Q_TAG,
2235 /*byte2*/softc->delete_method ==
2236 DA_DELETE_ZERO ? 0 : SWS_UNMAP,
2237 softc->delete_method ==
2238 DA_DELETE_WS16 ? 16 : 10,
2239 /*lba*/lba,
2240 /*block_count*/count,
2241 /*data_ptr*/ __DECONST(void *,
2242 zero_region),
2243 /*dxfer_len*/ softc->params.secsize,
2244 /*sense_len*/SSD_FULL_SIZE,
2245 da_default_timeout * 1000);
2246 start_ccb->ccb_h.ccb_state = DA_CCB_DELETE;
2247 goto out;
2248 } else {
2249 bioq_flush(&softc->delete_queue, NULL, 0);
2250 /* FALLTHROUGH */
2251 }
2252 }
2253
2254 /* Run regular command. */
2255 bp = bioq_takefirst(&softc->bio_queue);
2256 if (bp == NULL) {
2257 if (softc->tur) {
2258 softc->tur = 0;
2259 scsi_test_unit_ready(&start_ccb->csio,
2260 /*retries*/ da_retry_count,
2261 dadone,
2262 MSG_SIMPLE_Q_TAG,
2263 SSD_FULL_SIZE,
2264 da_default_timeout * 1000);
2265 start_ccb->ccb_h.ccb_bp = NULL;
2266 start_ccb->ccb_h.ccb_state = DA_CCB_TUR;
2267 xpt_action(start_ccb);
2268 } else
2269 xpt_release_ccb(start_ccb);
2270 break;
2271 }
2272 if (softc->tur) {
2273 softc->tur = 0;
2274 cam_periph_release_locked(periph);
2275 }
2276
2277 if ((bp->bio_flags & BIO_ORDERED) != 0 ||
2278 (softc->flags & DA_FLAG_NEED_OTAG) != 0) {
2279 softc->flags &= ~DA_FLAG_NEED_OTAG;
2280 softc->ordered_tag_count++;
2281 tag_code = MSG_ORDERED_Q_TAG;
2282 } else {
2283 tag_code = MSG_SIMPLE_Q_TAG;
2284 }
2285
2286 switch (bp->bio_cmd) {
2287 case BIO_READ:
2288 case BIO_WRITE:
2289 scsi_read_write(&start_ccb->csio,
2290 /*retries*/da_retry_count,
2291 /*cbfcnp*/dadone,
2292 /*tag_action*/tag_code,
2293 /*read_op*/(bp->bio_cmd == BIO_READ ?
2294 SCSI_RW_READ : SCSI_RW_WRITE) |
2295 ((bp->bio_flags & BIO_UNMAPPED) != 0 ?
2296 SCSI_RW_BIO : 0),
2297 /*byte2*/0,
2298 softc->minimum_cmd_size,
2299 /*lba*/bp->bio_pblkno,
2300 /*block_count*/bp->bio_bcount /
2301 softc->params.secsize,
2302 /*data_ptr*/ (bp->bio_flags &
2303 BIO_UNMAPPED) != 0 ? (void *)bp :
2304 bp->bio_data,
2305 /*dxfer_len*/ bp->bio_bcount,
2306 /*sense_len*/SSD_FULL_SIZE,
2307 da_default_timeout * 1000);
2308 break;
2309 case BIO_FLUSH:
2310 /*
2311 * BIO_FLUSH doesn't currently communicate
2312 * range data, so we synchronize the cache
2313 * over the whole disk. We also force
2314 * ordered tag semantics the flush applies
2315 * to all previously queued I/O.
2316 */
2317 scsi_synchronize_cache(&start_ccb->csio,
2318 /*retries*/1,
2319 /*cbfcnp*/dadone,
2320 MSG_ORDERED_Q_TAG,
2321 /*begin_lba*/0,
2322 /*lb_count*/0,
2323 SSD_FULL_SIZE,
2324 da_default_timeout*1000);
2325 break;
2326 }
2327 start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO;
2328
2329out:
2330 /*
|
2733 * while we touch the pending ccb list.
2734 */
2735 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
2736 softc->outstanding_cmds--;
2737 if (softc->outstanding_cmds == 0)
2738 softc->flags |= DA_FLAG_WENT_IDLE;
2739
2740 if (state == DA_CCB_DELETE) {
2741 while ((bp1 = bioq_takefirst(&softc->delete_run_queue))
2742 != NULL) {
2743 bp1->bio_resid = bp->bio_resid;
2744 bp1->bio_error = bp->bio_error;
2745 if (bp->bio_flags & BIO_ERROR)
2746 bp1->bio_flags |= BIO_ERROR;
2747 biodone(bp1);
2748 }
2749 softc->delete_running = 0;
2750 if (bp != NULL)
2751 biodone(bp);
2752 daschedule(periph);
2753 } else if (bp != NULL)
2754 biodone(bp);
2755 break;
2756 }
2757 case DA_CCB_PROBE_RC:
2758 case DA_CCB_PROBE_RC16:
2759 {
2760 struct scsi_read_capacity_data *rdcap;
2761 struct scsi_read_capacity_data_long *rcaplong;
2762 char announce_buf[80];
2763 int lbp;
2764
2765 lbp = 0;
2766 rdcap = NULL;
2767 rcaplong = NULL;
2768 if (state == DA_CCB_PROBE_RC)
2769 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
2770 else
2771 rcaplong = (struct scsi_read_capacity_data_long *)
2772 csio->data_ptr;
2773
2774 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
2775 struct disk_params *dp;
2776 uint32_t block_size;
2777 uint64_t maxsector;
2778 u_int lbppbe; /* LB per physical block exponent. */
2779 u_int lalba; /* Lowest aligned LBA. */
2780
2781 if (state == DA_CCB_PROBE_RC) {
2782 block_size = scsi_4btoul(rdcap->length);
2783 maxsector = scsi_4btoul(rdcap->addr);
2784 lbppbe = 0;
2785 lalba = 0;
2786
2787 /*
2788 * According to SBC-2, if the standard 10
2789 * byte READ CAPACITY command returns 2^32,
2790 * we should issue the 16 byte version of
2791 * the command, since the device in question
2792 * has more sectors than can be represented
2793 * with the short version of the command.
2794 */
2795 if (maxsector == 0xffffffff) {
2796 free(rdcap, M_SCSIDA);
2797 xpt_release_ccb(done_ccb);
2798 softc->state = DA_STATE_PROBE_RC16;
2799 xpt_schedule(periph, priority);
2800 return;
2801 }
2802 } else {
2803 block_size = scsi_4btoul(rcaplong->length);
2804 maxsector = scsi_8btou64(rcaplong->addr);
2805 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
2806 lalba = scsi_2btoul(rcaplong->lalba_lbp);
2807 }
2808
2809 /*
2810 * Because GEOM code just will panic us if we
2811 * give them an 'illegal' value we'll avoid that
2812 * here.
2813 */
2814 if (block_size == 0 && maxsector == 0) {
2815 block_size = 512;
2816 maxsector = -1;
2817 }
2818 if (block_size >= MAXPHYS || block_size == 0) {
2819 xpt_print(periph->path,
2820 "unsupportable block size %ju\n",
2821 (uintmax_t) block_size);
2822 announce_buf[0] = '\0';
2823 cam_periph_invalidate(periph);
2824 } else {
2825 /*
2826 * We pass rcaplong into dasetgeom(),
2827 * because it will only use it if it is
2828 * non-NULL.
2829 */
2830 dasetgeom(periph, block_size, maxsector,
2831 rcaplong, sizeof(*rcaplong));
2832 lbp = (lalba & SRC16_LBPME_A);
2833 dp = &softc->params;
2834 snprintf(announce_buf, sizeof(announce_buf),
2835 "%juMB (%ju %u byte sectors: %dH %dS/T "
2836 "%dC)", (uintmax_t)
2837 (((uintmax_t)dp->secsize *
2838 dp->sectors) / (1024*1024)),
2839 (uintmax_t)dp->sectors,
2840 dp->secsize, dp->heads,
2841 dp->secs_per_track, dp->cylinders);
2842 }
2843 } else {
2844 int error;
2845
2846 announce_buf[0] = '\0';
2847
2848 /*
2849 * Retry any UNIT ATTENTION type errors. They
2850 * are expected at boot.
2851 */
2852 error = daerror(done_ccb, CAM_RETRY_SELTO,
2853 SF_RETRY_UA|SF_NO_PRINT);
2854 if (error == ERESTART) {
2855 /*
2856 * A retry was scheuled, so
2857 * just return.
2858 */
2859 return;
2860 } else if (error != 0) {
2861 int asc, ascq;
2862 int sense_key, error_code;
2863 int have_sense;
2864 cam_status status;
2865 struct ccb_getdev cgd;
2866
2867 /* Don't wedge this device's queue */
2868 status = done_ccb->ccb_h.status;
2869 if ((status & CAM_DEV_QFRZN) != 0)
2870 cam_release_devq(done_ccb->ccb_h.path,
2871 /*relsim_flags*/0,
2872 /*reduction*/0,
2873 /*timeout*/0,
2874 /*getcount_only*/0);
2875
2876
2877 xpt_setup_ccb(&cgd.ccb_h,
2878 done_ccb->ccb_h.path,
2879 CAM_PRIORITY_NORMAL);
2880 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
2881 xpt_action((union ccb *)&cgd);
2882
2883 if (scsi_extract_sense_ccb(done_ccb,
2884 &error_code, &sense_key, &asc, &ascq))
2885 have_sense = TRUE;
2886 else
2887 have_sense = FALSE;
2888
2889 /*
2890 * If we tried READ CAPACITY(16) and failed,
2891 * fallback to READ CAPACITY(10).
2892 */
2893 if ((state == DA_CCB_PROBE_RC16) &&
2894 (softc->flags & DA_FLAG_CAN_RC16) &&
2895 (((csio->ccb_h.status & CAM_STATUS_MASK) ==
2896 CAM_REQ_INVALID) ||
2897 ((have_sense) &&
2898 (error_code == SSD_CURRENT_ERROR) &&
2899 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
2900 softc->flags &= ~DA_FLAG_CAN_RC16;
2901 free(rdcap, M_SCSIDA);
2902 xpt_release_ccb(done_ccb);
2903 softc->state = DA_STATE_PROBE_RC;
2904 xpt_schedule(periph, priority);
2905 return;
2906 } else
2907 /*
2908 * Attach to anything that claims to be a
2909 * direct access or optical disk device,
2910 * as long as it doesn't return a "Logical
2911 * unit not supported" (0x25) error.
2912 */
2913 if ((have_sense) && (asc != 0x25)
2914 && (error_code == SSD_CURRENT_ERROR)) {
2915 const char *sense_key_desc;
2916 const char *asc_desc;
2917
2918 dasetgeom(periph, 512, -1, NULL, 0);
2919 scsi_sense_desc(sense_key, asc, ascq,
2920 &cgd.inq_data,
2921 &sense_key_desc,
2922 &asc_desc);
2923 snprintf(announce_buf,
2924 sizeof(announce_buf),
2925 "Attempt to query device "
2926 "size failed: %s, %s",
2927 sense_key_desc,
2928 asc_desc);
2929 } else {
2930 if (have_sense)
2931 scsi_sense_print(
2932 &done_ccb->csio);
2933 else {
2934 xpt_print(periph->path,
2935 "got CAM status %#x\n",
2936 done_ccb->ccb_h.status);
2937 }
2938
2939 xpt_print(periph->path, "fatal error, "
2940 "failed to attach to device\n");
2941
2942 /*
2943 * Free up resources.
2944 */
2945 cam_periph_invalidate(periph);
2946 }
2947 }
2948 }
2949 free(csio->data_ptr, M_SCSIDA);
2950 if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) {
2951 /*
2952 * Create our sysctl variables, now that we know
2953 * we have successfully attached.
2954 */
2955 /* increase the refcount */
2956 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
2957 taskqueue_enqueue(taskqueue_thread,
2958 &softc->sysctl_task);
2959 xpt_announce_periph(periph, announce_buf);
2960
2961 } else {
2962 xpt_print(periph->path, "fatal error, "
2963 "could not acquire reference count\n");
2964 }
2965 }
2966
2967 /* Ensure re-probe doesn't see old delete. */
2968 softc->delete_available = 0;
2969 if (lbp) {
2970 /*
2971 * Based on older SBC-3 spec revisions
2972 * any of the UNMAP methods "may" be
2973 * available via LBP given this flag so
2974 * we flag all of them as availble and
2975 * then remove those which further
2976 * probes confirm aren't available
2977 * later.
2978 *
2979 * We could also check readcap(16) p_type
2980 * flag to exclude one or more invalid
2981 * write same (X) types here
2982 */
2983 dadeleteflag(softc, DA_DELETE_WS16, 1);
2984 dadeleteflag(softc, DA_DELETE_WS10, 1);
2985 dadeleteflag(softc, DA_DELETE_ZERO, 1);
2986 dadeleteflag(softc, DA_DELETE_UNMAP, 1);
2987
2988 xpt_release_ccb(done_ccb);
2989 softc->state = DA_STATE_PROBE_LBP;
2990 xpt_schedule(periph, priority);
2991 return;
2992 }
2993
2994 xpt_release_ccb(done_ccb);
2995 softc->state = DA_STATE_PROBE_BDC;
2996 xpt_schedule(periph, priority);
2997 return;
2998 }
2999 case DA_CCB_PROBE_LBP:
3000 {
3001 struct scsi_vpd_logical_block_prov *lbp;
3002
3003 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3004
3005 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3006 /*
3007 * T10/1799-D Revision 31 states at least one of these
3008 * must be supported but we don't currently enforce this.
3009 */
3010 dadeleteflag(softc, DA_DELETE_WS16,
3011 (lbp->flags & SVPD_LBP_WS16));
3012 dadeleteflag(softc, DA_DELETE_WS10,
3013 (lbp->flags & SVPD_LBP_WS10));
3014 dadeleteflag(softc, DA_DELETE_ZERO,
3015 (lbp->flags & SVPD_LBP_WS10));
3016 dadeleteflag(softc, DA_DELETE_UNMAP,
3017 (lbp->flags & SVPD_LBP_UNMAP));
3018
3019 if (lbp->flags & SVPD_LBP_UNMAP) {
3020 free(lbp, M_SCSIDA);
3021 xpt_release_ccb(done_ccb);
3022 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3023 xpt_schedule(periph, priority);
3024 return;
3025 }
3026 } else {
3027 int error;
3028 error = daerror(done_ccb, CAM_RETRY_SELTO,
3029 SF_RETRY_UA|SF_NO_PRINT);
3030 if (error == ERESTART)
3031 return;
3032 else if (error != 0) {
3033 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3034 /* Don't wedge this device's queue */
3035 cam_release_devq(done_ccb->ccb_h.path,
3036 /*relsim_flags*/0,
3037 /*reduction*/0,
3038 /*timeout*/0,
3039 /*getcount_only*/0);
3040 }
3041
3042 /*
3043 * Failure indicates we don't support any SBC-3
3044 * delete methods with UNMAP
3045 */
3046 }
3047 }
3048
3049 free(lbp, M_SCSIDA);
3050 xpt_release_ccb(done_ccb);
3051 softc->state = DA_STATE_PROBE_BDC;
3052 xpt_schedule(periph, priority);
3053 return;
3054 }
3055 case DA_CCB_PROBE_BLK_LIMITS:
3056 {
3057 struct scsi_vpd_block_limits *block_limits;
3058
3059 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3060
3061 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3062 uint32_t max_unmap_lba_cnt = scsi_4btoul(
3063 block_limits->max_unmap_lba_cnt);
3064 uint32_t max_unmap_blk_cnt = scsi_4btoul(
3065 block_limits->max_unmap_blk_cnt);
3066 uint64_t ws_max_blks = scsi_8btou64(
3067 block_limits->max_write_same_length);
3068 /*
3069 * We should already support UNMAP but we check lba
3070 * and block count to be sure
3071 */
3072 if (max_unmap_lba_cnt != 0x00L &&
3073 max_unmap_blk_cnt != 0x00L) {
3074 softc->unmap_max_lba = max_unmap_lba_cnt;
3075 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3076 UNMAP_MAX_RANGES);
3077 } else {
3078 /*
3079 * Unexpected UNMAP limits which means the
3080 * device doesn't actually support UNMAP
3081 */
3082 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3083 }
3084
3085 if (ws_max_blks != 0x00L)
3086 softc->ws_max_blks = ws_max_blks;
3087 } else {
3088 int error;
3089 error = daerror(done_ccb, CAM_RETRY_SELTO,
3090 SF_RETRY_UA|SF_NO_PRINT);
3091 if (error == ERESTART)
3092 return;
3093 else if (error != 0) {
3094 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3095 /* Don't wedge this device's queue */
3096 cam_release_devq(done_ccb->ccb_h.path,
3097 /*relsim_flags*/0,
3098 /*reduction*/0,
3099 /*timeout*/0,
3100 /*getcount_only*/0);
3101 }
3102
3103 /*
3104 * Failure here doesn't mean UNMAP is not
3105 * supported as this is an optional page.
3106 */
3107 softc->unmap_max_lba = 1;
3108 softc->unmap_max_ranges = 1;
3109 }
3110 }
3111
3112 free(block_limits, M_SCSIDA);
3113 xpt_release_ccb(done_ccb);
3114 softc->state = DA_STATE_PROBE_BDC;
3115 xpt_schedule(periph, priority);
3116 return;
3117 }
3118 case DA_CCB_PROBE_BDC:
3119 {
3120 struct scsi_vpd_block_characteristics *bdc;
3121
3122 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3123
3124 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3125 /*
3126 * Disable queue sorting for non-rotational media
3127 * by default.
3128 */
3129 if (scsi_2btoul(bdc->medium_rotation_rate) ==
3130 SVPD_BDC_RATE_NONE_ROTATING)
3131 softc->sort_io_queue = 0;
3132 } else {
3133 int error;
3134 error = daerror(done_ccb, CAM_RETRY_SELTO,
3135 SF_RETRY_UA|SF_NO_PRINT);
3136 if (error == ERESTART)
3137 return;
3138 else if (error != 0) {
3139 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3140 /* Don't wedge this device's queue */
3141 cam_release_devq(done_ccb->ccb_h.path,
3142 /*relsim_flags*/0,
3143 /*reduction*/0,
3144 /*timeout*/0,
3145 /*getcount_only*/0);
3146 }
3147 }
3148 }
3149
3150 free(bdc, M_SCSIDA);
3151 xpt_release_ccb(done_ccb);
3152 softc->state = DA_STATE_PROBE_ATA;
3153 xpt_schedule(periph, priority);
3154 return;
3155 }
3156 case DA_CCB_PROBE_ATA:
3157 {
3158 int i;
3159 struct ata_params *ata_params;
3160 int16_t *ptr;
3161
3162 ata_params = (struct ata_params *)csio->data_ptr;
3163 ptr = (uint16_t *)ata_params;
3164
3165 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3166 for (i = 0; i < sizeof(*ata_params) / 2; i++)
3167 ptr[i] = le16toh(ptr[i]);
3168 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) {
3169 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3170 if (ata_params->max_dsm_blocks != 0)
3171 softc->trim_max_ranges = min(
3172 softc->trim_max_ranges,
3173 ata_params->max_dsm_blocks *
3174 ATA_DSM_BLK_RANGES);
3175 }
3176 /*
3177 * Disable queue sorting for non-rotational media
3178 * by default.
3179 */
3180 if (ata_params->media_rotation_rate == 1)
3181 softc->sort_io_queue = 0;
3182 } else {
3183 int error;
3184 error = daerror(done_ccb, CAM_RETRY_SELTO,
3185 SF_RETRY_UA|SF_NO_PRINT);
3186 if (error == ERESTART)
3187 return;
3188 else if (error != 0) {
3189 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3190 /* Don't wedge this device's queue */
3191 cam_release_devq(done_ccb->ccb_h.path,
3192 /*relsim_flags*/0,
3193 /*reduction*/0,
3194 /*timeout*/0,
3195 /*getcount_only*/0);
3196 }
3197 }
3198 }
3199
3200 free(ata_params, M_SCSIDA);
3201 daprobedone(periph, done_ccb);
3202 return;
3203 }
3204 case DA_CCB_WAITING:
3205 {
3206 /* Caller will release the CCB */
3207 wakeup(&done_ccb->ccb_h.cbfcnp);
3208 return;
3209 }
3210 case DA_CCB_DUMP:
3211 /* No-op. We're polling */
3212 return;
3213 case DA_CCB_TUR:
3214 {
3215 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3216
3217 if (daerror(done_ccb, CAM_RETRY_SELTO,
3218 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3219 ERESTART)
3220 return;
3221 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3222 cam_release_devq(done_ccb->ccb_h.path,
3223 /*relsim_flags*/0,
3224 /*reduction*/0,
3225 /*timeout*/0,
3226 /*getcount_only*/0);
3227 }
3228 xpt_release_ccb(done_ccb);
3229 cam_periph_release_locked(periph);
3230 return;
3231 }
3232 default:
3233 break;
3234 }
3235 xpt_release_ccb(done_ccb);
3236}
3237
3238static void
3239dareprobe(struct cam_periph *periph)
3240{
3241 struct da_softc *softc;
3242 cam_status status;
3243
3244 softc = (struct da_softc *)periph->softc;
3245
3246 /* Probe in progress; don't interfere. */
3247 if (softc->state != DA_STATE_NORMAL)
3248 return;
3249
3250 status = cam_periph_acquire(periph);
3251 KASSERT(status == CAM_REQ_CMP,
3252 ("dareprobe: cam_periph_acquire failed"));
3253
3254 if (softc->flags & DA_FLAG_CAN_RC16)
3255 softc->state = DA_STATE_PROBE_RC16;
3256 else
3257 softc->state = DA_STATE_PROBE_RC;
3258
3259 xpt_schedule(periph, CAM_PRIORITY_DEV);
3260}
3261
3262static int
3263daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3264{
3265 struct da_softc *softc;
3266 struct cam_periph *periph;
3267 int error, error_code, sense_key, asc, ascq;
3268
3269 periph = xpt_path_periph(ccb->ccb_h.path);
3270 softc = (struct da_softc *)periph->softc;
3271
3272 /*
3273 * Automatically detect devices that do not support
3274 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3275 */
3276 error = 0;
3277 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3278 error = cmd6workaround(ccb);
3279 } else if (scsi_extract_sense_ccb(ccb,
3280 &error_code, &sense_key, &asc, &ascq)) {
3281 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3282 error = cmd6workaround(ccb);
3283 /*
3284 * If the target replied with CAPACITY DATA HAS CHANGED UA,
3285 * query the capacity and notify upper layers.
3286 */
3287 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3288 asc == 0x2A && ascq == 0x09) {
3289 xpt_print(periph->path, "capacity data has changed\n");
3290 dareprobe(periph);
3291 sense_flags |= SF_NO_PRINT;
3292 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3293 asc == 0x28 && ascq == 0x00)
3294 disk_media_changed(softc->disk, M_NOWAIT);
3295 else if (sense_key == SSD_KEY_NOT_READY &&
3296 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3297 softc->flags |= DA_FLAG_PACK_INVALID;
3298 disk_media_gone(softc->disk, M_NOWAIT);
3299 }
3300 }
3301 if (error == ERESTART)
3302 return (ERESTART);
3303
3304 /*
3305 * XXX
3306 * Until we have a better way of doing pack validation,
3307 * don't treat UAs as errors.
3308 */
3309 sense_flags |= SF_RETRY_UA;
3310 return(cam_periph_error(ccb, cam_flags, sense_flags,
3311 &softc->saved_ccb));
3312}
3313
3314static void
3315damediapoll(void *arg)
3316{
3317 struct cam_periph *periph = arg;
3318 struct da_softc *softc = periph->softc;
3319
3320 if (!softc->tur && softc->outstanding_cmds == 0) {
3321 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3322 softc->tur = 1;
3323 daschedule(periph);
3324 }
3325 }
3326 /* Queue us up again */
3327 if (da_poll_period != 0)
3328 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3329}
3330
3331static void
3332daprevent(struct cam_periph *periph, int action)
3333{
3334 struct da_softc *softc;
3335 union ccb *ccb;
3336 int error;
3337
3338 softc = (struct da_softc *)periph->softc;
3339
3340 if (((action == PR_ALLOW)
3341 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3342 || ((action == PR_PREVENT)
3343 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3344 return;
3345 }
3346
3347 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3348
3349 scsi_prevent(&ccb->csio,
3350 /*retries*/1,
3351 /*cbcfp*/dadone,
3352 MSG_SIMPLE_Q_TAG,
3353 action,
3354 SSD_FULL_SIZE,
3355 5000);
3356
3357 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3358 SF_RETRY_UA | SF_QUIET_IR, softc->disk->d_devstat);
3359
3360 if (error == 0) {
3361 if (action == PR_ALLOW)
3362 softc->flags &= ~DA_FLAG_PACK_LOCKED;
3363 else
3364 softc->flags |= DA_FLAG_PACK_LOCKED;
3365 }
3366
3367 xpt_release_ccb(ccb);
3368}
3369
3370static void
3371dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3372 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3373{
3374 struct ccb_calc_geometry ccg;
3375 struct da_softc *softc;
3376 struct disk_params *dp;
3377 u_int lbppbe, lalba;
3378 int error;
3379
3380 softc = (struct da_softc *)periph->softc;
3381
3382 dp = &softc->params;
3383 dp->secsize = block_len;
3384 dp->sectors = maxsector + 1;
3385 if (rcaplong != NULL) {
3386 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3387 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3388 lalba &= SRC16_LALBA_A;
3389 } else {
3390 lbppbe = 0;
3391 lalba = 0;
3392 }
3393
3394 if (lbppbe > 0) {
3395 dp->stripesize = block_len << lbppbe;
3396 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3397 dp->stripesize;
3398 } else if (softc->quirks & DA_Q_4K) {
3399 dp->stripesize = 4096;
3400 dp->stripeoffset = 0;
3401 } else {
3402 dp->stripesize = 0;
3403 dp->stripeoffset = 0;
3404 }
3405 /*
3406 * Have the controller provide us with a geometry
3407 * for this disk. The only time the geometry
3408 * matters is when we boot and the controller
3409 * is the only one knowledgeable enough to come
3410 * up with something that will make this a bootable
3411 * device.
3412 */
3413 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3414 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3415 ccg.block_size = dp->secsize;
3416 ccg.volume_size = dp->sectors;
3417 ccg.heads = 0;
3418 ccg.secs_per_track = 0;
3419 ccg.cylinders = 0;
3420 xpt_action((union ccb*)&ccg);
3421 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3422 /*
3423 * We don't know what went wrong here- but just pick
3424 * a geometry so we don't have nasty things like divide
3425 * by zero.
3426 */
3427 dp->heads = 255;
3428 dp->secs_per_track = 255;
3429 dp->cylinders = dp->sectors / (255 * 255);
3430 if (dp->cylinders == 0) {
3431 dp->cylinders = 1;
3432 }
3433 } else {
3434 dp->heads = ccg.heads;
3435 dp->secs_per_track = ccg.secs_per_track;
3436 dp->cylinders = ccg.cylinders;
3437 }
3438
3439 /*
3440 * If the user supplied a read capacity buffer, and if it is
3441 * different than the previous buffer, update the data in the EDT.
3442 * If it's the same, we don't bother. This avoids sending an
3443 * update every time someone opens this device.
3444 */
3445 if ((rcaplong != NULL)
3446 && (bcmp(rcaplong, &softc->rcaplong,
3447 min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3448 struct ccb_dev_advinfo cdai;
3449
3450 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3451 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3452 cdai.buftype = CDAI_TYPE_RCAPLONG;
3453 cdai.flags |= CDAI_FLAG_STORE;
3454 cdai.bufsiz = rcap_len;
3455 cdai.buf = (uint8_t *)rcaplong;
3456 xpt_action((union ccb *)&cdai);
3457 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3458 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3459 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3460 xpt_print(periph->path, "%s: failed to set read "
3461 "capacity advinfo\n", __func__);
3462 /* Use cam_error_print() to decode the status */
3463 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3464 CAM_EPF_ALL);
3465 } else {
3466 bcopy(rcaplong, &softc->rcaplong,
3467 min(sizeof(softc->rcaplong), rcap_len));
3468 }
3469 }
3470
3471 softc->disk->d_sectorsize = softc->params.secsize;
3472 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3473 softc->disk->d_stripesize = softc->params.stripesize;
3474 softc->disk->d_stripeoffset = softc->params.stripeoffset;
3475 /* XXX: these are not actually "firmware" values, so they may be wrong */
3476 softc->disk->d_fwsectors = softc->params.secs_per_track;
3477 softc->disk->d_fwheads = softc->params.heads;
3478 softc->disk->d_devstat->block_size = softc->params.secsize;
3479 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3480
3481 error = disk_resize(softc->disk, M_NOWAIT);
3482 if (error != 0)
3483 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3484}
3485
3486static void
3487dasendorderedtag(void *arg)
3488{
3489 struct da_softc *softc = arg;
3490
3491 if (da_send_ordered) {
3492 if ((softc->ordered_tag_count == 0)
3493 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
3494 softc->flags |= DA_FLAG_NEED_OTAG;
3495 }
3496 if (softc->outstanding_cmds > 0)
3497 softc->flags &= ~DA_FLAG_WENT_IDLE;
3498
3499 softc->ordered_tag_count = 0;
3500 }
3501 /* Queue us up again */
3502 callout_reset(&softc->sendordered_c,
3503 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3504 dasendorderedtag, softc);
3505}
3506
3507/*
3508 * Step through all DA peripheral drivers, and if the device is still open,
3509 * sync the disk cache to physical media.
3510 */
3511static void
3512dashutdown(void * arg, int howto)
3513{
3514 struct cam_periph *periph;
3515 struct da_softc *softc;
3516 union ccb *ccb;
3517 int error;
3518
3519 CAM_PERIPH_FOREACH(periph, &dadriver) {
3520 cam_periph_lock(periph);
3521 softc = (struct da_softc *)periph->softc;
3522
3523 /*
3524 * We only sync the cache if the drive is still open, and
3525 * if the drive is capable of it..
3526 */
3527 if (((softc->flags & DA_FLAG_OPEN) == 0)
3528 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3529 cam_periph_unlock(periph);
3530 continue;
3531 }
3532
3533 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3534 scsi_synchronize_cache(&ccb->csio,
3535 /*retries*/0,
3536 /*cbfcnp*/dadone,
3537 MSG_SIMPLE_Q_TAG,
3538 /*begin_lba*/0, /* whole disk */
3539 /*lb_count*/0,
3540 SSD_FULL_SIZE,
3541 60 * 60 * 1000);
3542
3543 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3544 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3545 softc->disk->d_devstat);
3546 if (error != 0)
3547 xpt_print(periph->path, "Synchronize cache failed\n");
3548 xpt_release_ccb(ccb);
3549 cam_periph_unlock(periph);
3550 }
3551}
3552
3553#else /* !_KERNEL */
3554
3555/*
3556 * XXX This is only left out of the kernel build to silence warnings. If,
3557 * for some reason this function is used in the kernel, the ifdefs should
3558 * be moved so it is included both in the kernel and userland.
3559 */
3560void
3561scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3562 void (*cbfcnp)(struct cam_periph *, union ccb *),
3563 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3564 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3565 u_int32_t timeout)
3566{
3567 struct scsi_format_unit *scsi_cmd;
3568
3569 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3570 scsi_cmd->opcode = FORMAT_UNIT;
3571 scsi_cmd->byte2 = byte2;
3572 scsi_ulto2b(ileave, scsi_cmd->interleave);
3573
3574 cam_fill_csio(csio,
3575 retries,
3576 cbfcnp,
3577 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3578 tag_action,
3579 data_ptr,
3580 dxfer_len,
3581 sense_len,
3582 sizeof(*scsi_cmd),
3583 timeout);
3584}
3585
3586#endif /* _KERNEL */
| 2733 * while we touch the pending ccb list.
2734 */
2735 LIST_REMOVE(&done_ccb->ccb_h, periph_links.le);
2736 softc->outstanding_cmds--;
2737 if (softc->outstanding_cmds == 0)
2738 softc->flags |= DA_FLAG_WENT_IDLE;
2739
2740 if (state == DA_CCB_DELETE) {
2741 while ((bp1 = bioq_takefirst(&softc->delete_run_queue))
2742 != NULL) {
2743 bp1->bio_resid = bp->bio_resid;
2744 bp1->bio_error = bp->bio_error;
2745 if (bp->bio_flags & BIO_ERROR)
2746 bp1->bio_flags |= BIO_ERROR;
2747 biodone(bp1);
2748 }
2749 softc->delete_running = 0;
2750 if (bp != NULL)
2751 biodone(bp);
2752 daschedule(periph);
2753 } else if (bp != NULL)
2754 biodone(bp);
2755 break;
2756 }
2757 case DA_CCB_PROBE_RC:
2758 case DA_CCB_PROBE_RC16:
2759 {
2760 struct scsi_read_capacity_data *rdcap;
2761 struct scsi_read_capacity_data_long *rcaplong;
2762 char announce_buf[80];
2763 int lbp;
2764
2765 lbp = 0;
2766 rdcap = NULL;
2767 rcaplong = NULL;
2768 if (state == DA_CCB_PROBE_RC)
2769 rdcap =(struct scsi_read_capacity_data *)csio->data_ptr;
2770 else
2771 rcaplong = (struct scsi_read_capacity_data_long *)
2772 csio->data_ptr;
2773
2774 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
2775 struct disk_params *dp;
2776 uint32_t block_size;
2777 uint64_t maxsector;
2778 u_int lbppbe; /* LB per physical block exponent. */
2779 u_int lalba; /* Lowest aligned LBA. */
2780
2781 if (state == DA_CCB_PROBE_RC) {
2782 block_size = scsi_4btoul(rdcap->length);
2783 maxsector = scsi_4btoul(rdcap->addr);
2784 lbppbe = 0;
2785 lalba = 0;
2786
2787 /*
2788 * According to SBC-2, if the standard 10
2789 * byte READ CAPACITY command returns 2^32,
2790 * we should issue the 16 byte version of
2791 * the command, since the device in question
2792 * has more sectors than can be represented
2793 * with the short version of the command.
2794 */
2795 if (maxsector == 0xffffffff) {
2796 free(rdcap, M_SCSIDA);
2797 xpt_release_ccb(done_ccb);
2798 softc->state = DA_STATE_PROBE_RC16;
2799 xpt_schedule(periph, priority);
2800 return;
2801 }
2802 } else {
2803 block_size = scsi_4btoul(rcaplong->length);
2804 maxsector = scsi_8btou64(rcaplong->addr);
2805 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
2806 lalba = scsi_2btoul(rcaplong->lalba_lbp);
2807 }
2808
2809 /*
2810 * Because GEOM code just will panic us if we
2811 * give them an 'illegal' value we'll avoid that
2812 * here.
2813 */
2814 if (block_size == 0 && maxsector == 0) {
2815 block_size = 512;
2816 maxsector = -1;
2817 }
2818 if (block_size >= MAXPHYS || block_size == 0) {
2819 xpt_print(periph->path,
2820 "unsupportable block size %ju\n",
2821 (uintmax_t) block_size);
2822 announce_buf[0] = '\0';
2823 cam_periph_invalidate(periph);
2824 } else {
2825 /*
2826 * We pass rcaplong into dasetgeom(),
2827 * because it will only use it if it is
2828 * non-NULL.
2829 */
2830 dasetgeom(periph, block_size, maxsector,
2831 rcaplong, sizeof(*rcaplong));
2832 lbp = (lalba & SRC16_LBPME_A);
2833 dp = &softc->params;
2834 snprintf(announce_buf, sizeof(announce_buf),
2835 "%juMB (%ju %u byte sectors: %dH %dS/T "
2836 "%dC)", (uintmax_t)
2837 (((uintmax_t)dp->secsize *
2838 dp->sectors) / (1024*1024)),
2839 (uintmax_t)dp->sectors,
2840 dp->secsize, dp->heads,
2841 dp->secs_per_track, dp->cylinders);
2842 }
2843 } else {
2844 int error;
2845
2846 announce_buf[0] = '\0';
2847
2848 /*
2849 * Retry any UNIT ATTENTION type errors. They
2850 * are expected at boot.
2851 */
2852 error = daerror(done_ccb, CAM_RETRY_SELTO,
2853 SF_RETRY_UA|SF_NO_PRINT);
2854 if (error == ERESTART) {
2855 /*
2856 * A retry was scheuled, so
2857 * just return.
2858 */
2859 return;
2860 } else if (error != 0) {
2861 int asc, ascq;
2862 int sense_key, error_code;
2863 int have_sense;
2864 cam_status status;
2865 struct ccb_getdev cgd;
2866
2867 /* Don't wedge this device's queue */
2868 status = done_ccb->ccb_h.status;
2869 if ((status & CAM_DEV_QFRZN) != 0)
2870 cam_release_devq(done_ccb->ccb_h.path,
2871 /*relsim_flags*/0,
2872 /*reduction*/0,
2873 /*timeout*/0,
2874 /*getcount_only*/0);
2875
2876
2877 xpt_setup_ccb(&cgd.ccb_h,
2878 done_ccb->ccb_h.path,
2879 CAM_PRIORITY_NORMAL);
2880 cgd.ccb_h.func_code = XPT_GDEV_TYPE;
2881 xpt_action((union ccb *)&cgd);
2882
2883 if (scsi_extract_sense_ccb(done_ccb,
2884 &error_code, &sense_key, &asc, &ascq))
2885 have_sense = TRUE;
2886 else
2887 have_sense = FALSE;
2888
2889 /*
2890 * If we tried READ CAPACITY(16) and failed,
2891 * fallback to READ CAPACITY(10).
2892 */
2893 if ((state == DA_CCB_PROBE_RC16) &&
2894 (softc->flags & DA_FLAG_CAN_RC16) &&
2895 (((csio->ccb_h.status & CAM_STATUS_MASK) ==
2896 CAM_REQ_INVALID) ||
2897 ((have_sense) &&
2898 (error_code == SSD_CURRENT_ERROR) &&
2899 (sense_key == SSD_KEY_ILLEGAL_REQUEST)))) {
2900 softc->flags &= ~DA_FLAG_CAN_RC16;
2901 free(rdcap, M_SCSIDA);
2902 xpt_release_ccb(done_ccb);
2903 softc->state = DA_STATE_PROBE_RC;
2904 xpt_schedule(periph, priority);
2905 return;
2906 } else
2907 /*
2908 * Attach to anything that claims to be a
2909 * direct access or optical disk device,
2910 * as long as it doesn't return a "Logical
2911 * unit not supported" (0x25) error.
2912 */
2913 if ((have_sense) && (asc != 0x25)
2914 && (error_code == SSD_CURRENT_ERROR)) {
2915 const char *sense_key_desc;
2916 const char *asc_desc;
2917
2918 dasetgeom(periph, 512, -1, NULL, 0);
2919 scsi_sense_desc(sense_key, asc, ascq,
2920 &cgd.inq_data,
2921 &sense_key_desc,
2922 &asc_desc);
2923 snprintf(announce_buf,
2924 sizeof(announce_buf),
2925 "Attempt to query device "
2926 "size failed: %s, %s",
2927 sense_key_desc,
2928 asc_desc);
2929 } else {
2930 if (have_sense)
2931 scsi_sense_print(
2932 &done_ccb->csio);
2933 else {
2934 xpt_print(periph->path,
2935 "got CAM status %#x\n",
2936 done_ccb->ccb_h.status);
2937 }
2938
2939 xpt_print(periph->path, "fatal error, "
2940 "failed to attach to device\n");
2941
2942 /*
2943 * Free up resources.
2944 */
2945 cam_periph_invalidate(periph);
2946 }
2947 }
2948 }
2949 free(csio->data_ptr, M_SCSIDA);
2950 if (announce_buf[0] != '\0' && ((softc->flags & DA_FLAG_PROBED) == 0)) {
2951 /*
2952 * Create our sysctl variables, now that we know
2953 * we have successfully attached.
2954 */
2955 /* increase the refcount */
2956 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
2957 taskqueue_enqueue(taskqueue_thread,
2958 &softc->sysctl_task);
2959 xpt_announce_periph(periph, announce_buf);
2960
2961 } else {
2962 xpt_print(periph->path, "fatal error, "
2963 "could not acquire reference count\n");
2964 }
2965 }
2966
2967 /* Ensure re-probe doesn't see old delete. */
2968 softc->delete_available = 0;
2969 if (lbp) {
2970 /*
2971 * Based on older SBC-3 spec revisions
2972 * any of the UNMAP methods "may" be
2973 * available via LBP given this flag so
2974 * we flag all of them as availble and
2975 * then remove those which further
2976 * probes confirm aren't available
2977 * later.
2978 *
2979 * We could also check readcap(16) p_type
2980 * flag to exclude one or more invalid
2981 * write same (X) types here
2982 */
2983 dadeleteflag(softc, DA_DELETE_WS16, 1);
2984 dadeleteflag(softc, DA_DELETE_WS10, 1);
2985 dadeleteflag(softc, DA_DELETE_ZERO, 1);
2986 dadeleteflag(softc, DA_DELETE_UNMAP, 1);
2987
2988 xpt_release_ccb(done_ccb);
2989 softc->state = DA_STATE_PROBE_LBP;
2990 xpt_schedule(periph, priority);
2991 return;
2992 }
2993
2994 xpt_release_ccb(done_ccb);
2995 softc->state = DA_STATE_PROBE_BDC;
2996 xpt_schedule(periph, priority);
2997 return;
2998 }
2999 case DA_CCB_PROBE_LBP:
3000 {
3001 struct scsi_vpd_logical_block_prov *lbp;
3002
3003 lbp = (struct scsi_vpd_logical_block_prov *)csio->data_ptr;
3004
3005 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3006 /*
3007 * T10/1799-D Revision 31 states at least one of these
3008 * must be supported but we don't currently enforce this.
3009 */
3010 dadeleteflag(softc, DA_DELETE_WS16,
3011 (lbp->flags & SVPD_LBP_WS16));
3012 dadeleteflag(softc, DA_DELETE_WS10,
3013 (lbp->flags & SVPD_LBP_WS10));
3014 dadeleteflag(softc, DA_DELETE_ZERO,
3015 (lbp->flags & SVPD_LBP_WS10));
3016 dadeleteflag(softc, DA_DELETE_UNMAP,
3017 (lbp->flags & SVPD_LBP_UNMAP));
3018
3019 if (lbp->flags & SVPD_LBP_UNMAP) {
3020 free(lbp, M_SCSIDA);
3021 xpt_release_ccb(done_ccb);
3022 softc->state = DA_STATE_PROBE_BLK_LIMITS;
3023 xpt_schedule(periph, priority);
3024 return;
3025 }
3026 } else {
3027 int error;
3028 error = daerror(done_ccb, CAM_RETRY_SELTO,
3029 SF_RETRY_UA|SF_NO_PRINT);
3030 if (error == ERESTART)
3031 return;
3032 else if (error != 0) {
3033 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3034 /* Don't wedge this device's queue */
3035 cam_release_devq(done_ccb->ccb_h.path,
3036 /*relsim_flags*/0,
3037 /*reduction*/0,
3038 /*timeout*/0,
3039 /*getcount_only*/0);
3040 }
3041
3042 /*
3043 * Failure indicates we don't support any SBC-3
3044 * delete methods with UNMAP
3045 */
3046 }
3047 }
3048
3049 free(lbp, M_SCSIDA);
3050 xpt_release_ccb(done_ccb);
3051 softc->state = DA_STATE_PROBE_BDC;
3052 xpt_schedule(periph, priority);
3053 return;
3054 }
3055 case DA_CCB_PROBE_BLK_LIMITS:
3056 {
3057 struct scsi_vpd_block_limits *block_limits;
3058
3059 block_limits = (struct scsi_vpd_block_limits *)csio->data_ptr;
3060
3061 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3062 uint32_t max_unmap_lba_cnt = scsi_4btoul(
3063 block_limits->max_unmap_lba_cnt);
3064 uint32_t max_unmap_blk_cnt = scsi_4btoul(
3065 block_limits->max_unmap_blk_cnt);
3066 uint64_t ws_max_blks = scsi_8btou64(
3067 block_limits->max_write_same_length);
3068 /*
3069 * We should already support UNMAP but we check lba
3070 * and block count to be sure
3071 */
3072 if (max_unmap_lba_cnt != 0x00L &&
3073 max_unmap_blk_cnt != 0x00L) {
3074 softc->unmap_max_lba = max_unmap_lba_cnt;
3075 softc->unmap_max_ranges = min(max_unmap_blk_cnt,
3076 UNMAP_MAX_RANGES);
3077 } else {
3078 /*
3079 * Unexpected UNMAP limits which means the
3080 * device doesn't actually support UNMAP
3081 */
3082 dadeleteflag(softc, DA_DELETE_UNMAP, 0);
3083 }
3084
3085 if (ws_max_blks != 0x00L)
3086 softc->ws_max_blks = ws_max_blks;
3087 } else {
3088 int error;
3089 error = daerror(done_ccb, CAM_RETRY_SELTO,
3090 SF_RETRY_UA|SF_NO_PRINT);
3091 if (error == ERESTART)
3092 return;
3093 else if (error != 0) {
3094 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3095 /* Don't wedge this device's queue */
3096 cam_release_devq(done_ccb->ccb_h.path,
3097 /*relsim_flags*/0,
3098 /*reduction*/0,
3099 /*timeout*/0,
3100 /*getcount_only*/0);
3101 }
3102
3103 /*
3104 * Failure here doesn't mean UNMAP is not
3105 * supported as this is an optional page.
3106 */
3107 softc->unmap_max_lba = 1;
3108 softc->unmap_max_ranges = 1;
3109 }
3110 }
3111
3112 free(block_limits, M_SCSIDA);
3113 xpt_release_ccb(done_ccb);
3114 softc->state = DA_STATE_PROBE_BDC;
3115 xpt_schedule(periph, priority);
3116 return;
3117 }
3118 case DA_CCB_PROBE_BDC:
3119 {
3120 struct scsi_vpd_block_characteristics *bdc;
3121
3122 bdc = (struct scsi_vpd_block_characteristics *)csio->data_ptr;
3123
3124 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3125 /*
3126 * Disable queue sorting for non-rotational media
3127 * by default.
3128 */
3129 if (scsi_2btoul(bdc->medium_rotation_rate) ==
3130 SVPD_BDC_RATE_NONE_ROTATING)
3131 softc->sort_io_queue = 0;
3132 } else {
3133 int error;
3134 error = daerror(done_ccb, CAM_RETRY_SELTO,
3135 SF_RETRY_UA|SF_NO_PRINT);
3136 if (error == ERESTART)
3137 return;
3138 else if (error != 0) {
3139 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3140 /* Don't wedge this device's queue */
3141 cam_release_devq(done_ccb->ccb_h.path,
3142 /*relsim_flags*/0,
3143 /*reduction*/0,
3144 /*timeout*/0,
3145 /*getcount_only*/0);
3146 }
3147 }
3148 }
3149
3150 free(bdc, M_SCSIDA);
3151 xpt_release_ccb(done_ccb);
3152 softc->state = DA_STATE_PROBE_ATA;
3153 xpt_schedule(periph, priority);
3154 return;
3155 }
3156 case DA_CCB_PROBE_ATA:
3157 {
3158 int i;
3159 struct ata_params *ata_params;
3160 int16_t *ptr;
3161
3162 ata_params = (struct ata_params *)csio->data_ptr;
3163 ptr = (uint16_t *)ata_params;
3164
3165 if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) {
3166 for (i = 0; i < sizeof(*ata_params) / 2; i++)
3167 ptr[i] = le16toh(ptr[i]);
3168 if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) {
3169 dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1);
3170 if (ata_params->max_dsm_blocks != 0)
3171 softc->trim_max_ranges = min(
3172 softc->trim_max_ranges,
3173 ata_params->max_dsm_blocks *
3174 ATA_DSM_BLK_RANGES);
3175 }
3176 /*
3177 * Disable queue sorting for non-rotational media
3178 * by default.
3179 */
3180 if (ata_params->media_rotation_rate == 1)
3181 softc->sort_io_queue = 0;
3182 } else {
3183 int error;
3184 error = daerror(done_ccb, CAM_RETRY_SELTO,
3185 SF_RETRY_UA|SF_NO_PRINT);
3186 if (error == ERESTART)
3187 return;
3188 else if (error != 0) {
3189 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0) {
3190 /* Don't wedge this device's queue */
3191 cam_release_devq(done_ccb->ccb_h.path,
3192 /*relsim_flags*/0,
3193 /*reduction*/0,
3194 /*timeout*/0,
3195 /*getcount_only*/0);
3196 }
3197 }
3198 }
3199
3200 free(ata_params, M_SCSIDA);
3201 daprobedone(periph, done_ccb);
3202 return;
3203 }
3204 case DA_CCB_WAITING:
3205 {
3206 /* Caller will release the CCB */
3207 wakeup(&done_ccb->ccb_h.cbfcnp);
3208 return;
3209 }
3210 case DA_CCB_DUMP:
3211 /* No-op. We're polling */
3212 return;
3213 case DA_CCB_TUR:
3214 {
3215 if ((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3216
3217 if (daerror(done_ccb, CAM_RETRY_SELTO,
3218 SF_RETRY_UA | SF_NO_RECOVERY | SF_NO_PRINT) ==
3219 ERESTART)
3220 return;
3221 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) != 0)
3222 cam_release_devq(done_ccb->ccb_h.path,
3223 /*relsim_flags*/0,
3224 /*reduction*/0,
3225 /*timeout*/0,
3226 /*getcount_only*/0);
3227 }
3228 xpt_release_ccb(done_ccb);
3229 cam_periph_release_locked(periph);
3230 return;
3231 }
3232 default:
3233 break;
3234 }
3235 xpt_release_ccb(done_ccb);
3236}
3237
3238static void
3239dareprobe(struct cam_periph *periph)
3240{
3241 struct da_softc *softc;
3242 cam_status status;
3243
3244 softc = (struct da_softc *)periph->softc;
3245
3246 /* Probe in progress; don't interfere. */
3247 if (softc->state != DA_STATE_NORMAL)
3248 return;
3249
3250 status = cam_periph_acquire(periph);
3251 KASSERT(status == CAM_REQ_CMP,
3252 ("dareprobe: cam_periph_acquire failed"));
3253
3254 if (softc->flags & DA_FLAG_CAN_RC16)
3255 softc->state = DA_STATE_PROBE_RC16;
3256 else
3257 softc->state = DA_STATE_PROBE_RC;
3258
3259 xpt_schedule(periph, CAM_PRIORITY_DEV);
3260}
3261
3262static int
3263daerror(union ccb *ccb, u_int32_t cam_flags, u_int32_t sense_flags)
3264{
3265 struct da_softc *softc;
3266 struct cam_periph *periph;
3267 int error, error_code, sense_key, asc, ascq;
3268
3269 periph = xpt_path_periph(ccb->ccb_h.path);
3270 softc = (struct da_softc *)periph->softc;
3271
3272 /*
3273 * Automatically detect devices that do not support
3274 * READ(6)/WRITE(6) and upgrade to using 10 byte cdbs.
3275 */
3276 error = 0;
3277 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INVALID) {
3278 error = cmd6workaround(ccb);
3279 } else if (scsi_extract_sense_ccb(ccb,
3280 &error_code, &sense_key, &asc, &ascq)) {
3281 if (sense_key == SSD_KEY_ILLEGAL_REQUEST)
3282 error = cmd6workaround(ccb);
3283 /*
3284 * If the target replied with CAPACITY DATA HAS CHANGED UA,
3285 * query the capacity and notify upper layers.
3286 */
3287 else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3288 asc == 0x2A && ascq == 0x09) {
3289 xpt_print(periph->path, "capacity data has changed\n");
3290 dareprobe(periph);
3291 sense_flags |= SF_NO_PRINT;
3292 } else if (sense_key == SSD_KEY_UNIT_ATTENTION &&
3293 asc == 0x28 && ascq == 0x00)
3294 disk_media_changed(softc->disk, M_NOWAIT);
3295 else if (sense_key == SSD_KEY_NOT_READY &&
3296 asc == 0x3a && (softc->flags & DA_FLAG_PACK_INVALID) == 0) {
3297 softc->flags |= DA_FLAG_PACK_INVALID;
3298 disk_media_gone(softc->disk, M_NOWAIT);
3299 }
3300 }
3301 if (error == ERESTART)
3302 return (ERESTART);
3303
3304 /*
3305 * XXX
3306 * Until we have a better way of doing pack validation,
3307 * don't treat UAs as errors.
3308 */
3309 sense_flags |= SF_RETRY_UA;
3310 return(cam_periph_error(ccb, cam_flags, sense_flags,
3311 &softc->saved_ccb));
3312}
3313
3314static void
3315damediapoll(void *arg)
3316{
3317 struct cam_periph *periph = arg;
3318 struct da_softc *softc = periph->softc;
3319
3320 if (!softc->tur && softc->outstanding_cmds == 0) {
3321 if (cam_periph_acquire(periph) == CAM_REQ_CMP) {
3322 softc->tur = 1;
3323 daschedule(periph);
3324 }
3325 }
3326 /* Queue us up again */
3327 if (da_poll_period != 0)
3328 callout_schedule(&softc->mediapoll_c, da_poll_period * hz);
3329}
3330
3331static void
3332daprevent(struct cam_periph *periph, int action)
3333{
3334 struct da_softc *softc;
3335 union ccb *ccb;
3336 int error;
3337
3338 softc = (struct da_softc *)periph->softc;
3339
3340 if (((action == PR_ALLOW)
3341 && (softc->flags & DA_FLAG_PACK_LOCKED) == 0)
3342 || ((action == PR_PREVENT)
3343 && (softc->flags & DA_FLAG_PACK_LOCKED) != 0)) {
3344 return;
3345 }
3346
3347 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3348
3349 scsi_prevent(&ccb->csio,
3350 /*retries*/1,
3351 /*cbcfp*/dadone,
3352 MSG_SIMPLE_Q_TAG,
3353 action,
3354 SSD_FULL_SIZE,
3355 5000);
3356
3357 error = cam_periph_runccb(ccb, daerror, CAM_RETRY_SELTO,
3358 SF_RETRY_UA | SF_QUIET_IR, softc->disk->d_devstat);
3359
3360 if (error == 0) {
3361 if (action == PR_ALLOW)
3362 softc->flags &= ~DA_FLAG_PACK_LOCKED;
3363 else
3364 softc->flags |= DA_FLAG_PACK_LOCKED;
3365 }
3366
3367 xpt_release_ccb(ccb);
3368}
3369
3370static void
3371dasetgeom(struct cam_periph *periph, uint32_t block_len, uint64_t maxsector,
3372 struct scsi_read_capacity_data_long *rcaplong, size_t rcap_len)
3373{
3374 struct ccb_calc_geometry ccg;
3375 struct da_softc *softc;
3376 struct disk_params *dp;
3377 u_int lbppbe, lalba;
3378 int error;
3379
3380 softc = (struct da_softc *)periph->softc;
3381
3382 dp = &softc->params;
3383 dp->secsize = block_len;
3384 dp->sectors = maxsector + 1;
3385 if (rcaplong != NULL) {
3386 lbppbe = rcaplong->prot_lbppbe & SRC16_LBPPBE;
3387 lalba = scsi_2btoul(rcaplong->lalba_lbp);
3388 lalba &= SRC16_LALBA_A;
3389 } else {
3390 lbppbe = 0;
3391 lalba = 0;
3392 }
3393
3394 if (lbppbe > 0) {
3395 dp->stripesize = block_len << lbppbe;
3396 dp->stripeoffset = (dp->stripesize - block_len * lalba) %
3397 dp->stripesize;
3398 } else if (softc->quirks & DA_Q_4K) {
3399 dp->stripesize = 4096;
3400 dp->stripeoffset = 0;
3401 } else {
3402 dp->stripesize = 0;
3403 dp->stripeoffset = 0;
3404 }
3405 /*
3406 * Have the controller provide us with a geometry
3407 * for this disk. The only time the geometry
3408 * matters is when we boot and the controller
3409 * is the only one knowledgeable enough to come
3410 * up with something that will make this a bootable
3411 * device.
3412 */
3413 xpt_setup_ccb(&ccg.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3414 ccg.ccb_h.func_code = XPT_CALC_GEOMETRY;
3415 ccg.block_size = dp->secsize;
3416 ccg.volume_size = dp->sectors;
3417 ccg.heads = 0;
3418 ccg.secs_per_track = 0;
3419 ccg.cylinders = 0;
3420 xpt_action((union ccb*)&ccg);
3421 if ((ccg.ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
3422 /*
3423 * We don't know what went wrong here- but just pick
3424 * a geometry so we don't have nasty things like divide
3425 * by zero.
3426 */
3427 dp->heads = 255;
3428 dp->secs_per_track = 255;
3429 dp->cylinders = dp->sectors / (255 * 255);
3430 if (dp->cylinders == 0) {
3431 dp->cylinders = 1;
3432 }
3433 } else {
3434 dp->heads = ccg.heads;
3435 dp->secs_per_track = ccg.secs_per_track;
3436 dp->cylinders = ccg.cylinders;
3437 }
3438
3439 /*
3440 * If the user supplied a read capacity buffer, and if it is
3441 * different than the previous buffer, update the data in the EDT.
3442 * If it's the same, we don't bother. This avoids sending an
3443 * update every time someone opens this device.
3444 */
3445 if ((rcaplong != NULL)
3446 && (bcmp(rcaplong, &softc->rcaplong,
3447 min(sizeof(softc->rcaplong), rcap_len)) != 0)) {
3448 struct ccb_dev_advinfo cdai;
3449
3450 xpt_setup_ccb(&cdai.ccb_h, periph->path, CAM_PRIORITY_NORMAL);
3451 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3452 cdai.buftype = CDAI_TYPE_RCAPLONG;
3453 cdai.flags |= CDAI_FLAG_STORE;
3454 cdai.bufsiz = rcap_len;
3455 cdai.buf = (uint8_t *)rcaplong;
3456 xpt_action((union ccb *)&cdai);
3457 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3458 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3459 if (cdai.ccb_h.status != CAM_REQ_CMP) {
3460 xpt_print(periph->path, "%s: failed to set read "
3461 "capacity advinfo\n", __func__);
3462 /* Use cam_error_print() to decode the status */
3463 cam_error_print((union ccb *)&cdai, CAM_ESF_CAM_STATUS,
3464 CAM_EPF_ALL);
3465 } else {
3466 bcopy(rcaplong, &softc->rcaplong,
3467 min(sizeof(softc->rcaplong), rcap_len));
3468 }
3469 }
3470
3471 softc->disk->d_sectorsize = softc->params.secsize;
3472 softc->disk->d_mediasize = softc->params.secsize * (off_t)softc->params.sectors;
3473 softc->disk->d_stripesize = softc->params.stripesize;
3474 softc->disk->d_stripeoffset = softc->params.stripeoffset;
3475 /* XXX: these are not actually "firmware" values, so they may be wrong */
3476 softc->disk->d_fwsectors = softc->params.secs_per_track;
3477 softc->disk->d_fwheads = softc->params.heads;
3478 softc->disk->d_devstat->block_size = softc->params.secsize;
3479 softc->disk->d_devstat->flags &= ~DEVSTAT_BS_UNAVAILABLE;
3480
3481 error = disk_resize(softc->disk, M_NOWAIT);
3482 if (error != 0)
3483 xpt_print(periph->path, "disk_resize(9) failed, error = %d\n", error);
3484}
3485
3486static void
3487dasendorderedtag(void *arg)
3488{
3489 struct da_softc *softc = arg;
3490
3491 if (da_send_ordered) {
3492 if ((softc->ordered_tag_count == 0)
3493 && ((softc->flags & DA_FLAG_WENT_IDLE) == 0)) {
3494 softc->flags |= DA_FLAG_NEED_OTAG;
3495 }
3496 if (softc->outstanding_cmds > 0)
3497 softc->flags &= ~DA_FLAG_WENT_IDLE;
3498
3499 softc->ordered_tag_count = 0;
3500 }
3501 /* Queue us up again */
3502 callout_reset(&softc->sendordered_c,
3503 (da_default_timeout * hz) / DA_ORDEREDTAG_INTERVAL,
3504 dasendorderedtag, softc);
3505}
3506
3507/*
3508 * Step through all DA peripheral drivers, and if the device is still open,
3509 * sync the disk cache to physical media.
3510 */
3511static void
3512dashutdown(void * arg, int howto)
3513{
3514 struct cam_periph *periph;
3515 struct da_softc *softc;
3516 union ccb *ccb;
3517 int error;
3518
3519 CAM_PERIPH_FOREACH(periph, &dadriver) {
3520 cam_periph_lock(periph);
3521 softc = (struct da_softc *)periph->softc;
3522
3523 /*
3524 * We only sync the cache if the drive is still open, and
3525 * if the drive is capable of it..
3526 */
3527 if (((softc->flags & DA_FLAG_OPEN) == 0)
3528 || (softc->quirks & DA_Q_NO_SYNC_CACHE)) {
3529 cam_periph_unlock(periph);
3530 continue;
3531 }
3532
3533 ccb = cam_periph_getccb(periph, CAM_PRIORITY_NORMAL);
3534 scsi_synchronize_cache(&ccb->csio,
3535 /*retries*/0,
3536 /*cbfcnp*/dadone,
3537 MSG_SIMPLE_Q_TAG,
3538 /*begin_lba*/0, /* whole disk */
3539 /*lb_count*/0,
3540 SSD_FULL_SIZE,
3541 60 * 60 * 1000);
3542
3543 error = cam_periph_runccb(ccb, daerror, /*cam_flags*/0,
3544 /*sense_flags*/ SF_NO_RECOVERY | SF_NO_RETRY | SF_QUIET_IR,
3545 softc->disk->d_devstat);
3546 if (error != 0)
3547 xpt_print(periph->path, "Synchronize cache failed\n");
3548 xpt_release_ccb(ccb);
3549 cam_periph_unlock(periph);
3550 }
3551}
3552
3553#else /* !_KERNEL */
3554
3555/*
3556 * XXX This is only left out of the kernel build to silence warnings. If,
3557 * for some reason this function is used in the kernel, the ifdefs should
3558 * be moved so it is included both in the kernel and userland.
3559 */
3560void
3561scsi_format_unit(struct ccb_scsiio *csio, u_int32_t retries,
3562 void (*cbfcnp)(struct cam_periph *, union ccb *),
3563 u_int8_t tag_action, u_int8_t byte2, u_int16_t ileave,
3564 u_int8_t *data_ptr, u_int32_t dxfer_len, u_int8_t sense_len,
3565 u_int32_t timeout)
3566{
3567 struct scsi_format_unit *scsi_cmd;
3568
3569 scsi_cmd = (struct scsi_format_unit *)&csio->cdb_io.cdb_bytes;
3570 scsi_cmd->opcode = FORMAT_UNIT;
3571 scsi_cmd->byte2 = byte2;
3572 scsi_ulto2b(ileave, scsi_cmd->interleave);
3573
3574 cam_fill_csio(csio,
3575 retries,
3576 cbfcnp,
3577 /*flags*/ (dxfer_len > 0) ? CAM_DIR_OUT : CAM_DIR_NONE,
3578 tag_action,
3579 data_ptr,
3580 dxfer_len,
3581 sense_len,
3582 sizeof(*scsi_cmd),
3583 timeout);
3584}
3585
3586#endif /* _KERNEL */
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